diff options
author | John W. Linville <linville@tuxdriver.com> | 2014-10-31 20:05:31 (GMT) |
---|---|---|
committer | John W. Linville <linville@tuxdriver.com> | 2014-10-31 20:05:31 (GMT) |
commit | 15a892e728299c5879187c8301c10c14af399a0c (patch) | |
tree | 7920e95e66582888c47814355200f8b6cfbd66a5 | |
parent | 09fa9d87cace65ff4b30ad203ff32f305ee0489f (diff) | |
parent | b509c02d0f31639dda90f9b7269668b86c9b25ef (diff) | |
download | linux-15a892e728299c5879187c8301c10c14af399a0c.tar.xz |
Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next
62 files changed, 2542 insertions, 2733 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index 43898b1..7ec37a3 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2302,6 +2302,14 @@ F: security/capability.c F: security/commoncap.c F: kernel/capability.c +CC2520 IEEE-802.15.4 RADIO DRIVER +M: Varka Bhadram <varkabhadram@gmail.com> +L: linux-wpan@vger.kernel.org +S: Maintained +F: drivers/net/ieee802154/cc2520.c +F: include/linux/spi/cc2520.h +F: Documentation/devicetree/bindings/net/ieee802154/cc2520.txt + CELL BROADBAND ENGINE ARCHITECTURE M: Arnd Bergmann <arnd@arndb.de> L: linuxppc-dev@lists.ozlabs.org @@ -4689,6 +4697,13 @@ S: Maintained F: net/ieee802154/ F: net/mac802154/ F: drivers/net/ieee802154/ +F: include/linux/nl802154.h +F: include/linux/ieee802154.h +F: include/net/nl802154.h +F: include/net/mac802154.h +F: include/net/af_ieee802154.h +F: include/net/cfg802154.h +F: include/net/ieee802154_netdev.h F: Documentation/networking/ieee802154.txt IGUANAWORKS USB IR TRANSCEIVER diff --git a/drivers/bluetooth/ath3k.c b/drivers/bluetooth/ath3k.c index d85ced2..25c874d 100644 --- a/drivers/bluetooth/ath3k.c +++ b/drivers/bluetooth/ath3k.c @@ -79,6 +79,7 @@ static const struct usb_device_id ath3k_table[] = { { USB_DEVICE(0x0489, 0xe057) }, { USB_DEVICE(0x0489, 0xe056) }, { USB_DEVICE(0x0489, 0xe05f) }, + { USB_DEVICE(0x0489, 0xe078) }, { USB_DEVICE(0x04c5, 0x1330) }, { USB_DEVICE(0x04CA, 0x3004) }, { USB_DEVICE(0x04CA, 0x3005) }, @@ -130,6 +131,7 @@ static const struct usb_device_id ath3k_blist_tbl[] = { { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 }, + { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index edfc17b..03ce301 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -156,6 +156,7 @@ static const struct usb_device_id blacklist_table[] = { { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 }, + { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, diff --git a/drivers/bluetooth/hci_h5.c b/drivers/bluetooth/hci_h5.c index a228386..20bdd71 100644 --- a/drivers/bluetooth/hci_h5.c +++ b/drivers/bluetooth/hci_h5.c @@ -168,6 +168,36 @@ wakeup: hci_uart_tx_wakeup(hu); } +static void h5_peer_reset(struct hci_uart *hu) +{ + struct h5 *h5 = hu->priv; + struct sk_buff *skb; + const unsigned char hard_err[] = { 0x10, 0x01, 0x00 }; + + BT_ERR("Peer device has reset"); + + h5->state = H5_UNINITIALIZED; + + del_timer(&h5->timer); + + skb_queue_purge(&h5->rel); + skb_queue_purge(&h5->unrel); + skb_queue_purge(&h5->unack); + + h5->tx_seq = 0; + h5->tx_ack = 0; + + skb = bt_skb_alloc(3, GFP_ATOMIC); + if (!skb) + return; + + bt_cb(skb)->pkt_type = HCI_EVENT_PKT; + memcpy(skb_put(skb, 3), hard_err, 3); + + /* Send Hardware Error to upper stack */ + hci_recv_frame(hu->hdev, skb); +} + static int h5_open(struct hci_uart *hu) { struct h5 *h5; @@ -283,8 +313,12 @@ static void h5_handle_internal_rx(struct hci_uart *hu) conf_req[2] = h5_cfg_field(h5); if (memcmp(data, sync_req, 2) == 0) { + if (h5->state == H5_ACTIVE) + h5_peer_reset(hu); h5_link_control(hu, sync_rsp, 2); } else if (memcmp(data, sync_rsp, 2) == 0) { + if (h5->state == H5_ACTIVE) + h5_peer_reset(hu); h5->state = H5_INITIALIZED; h5_link_control(hu, conf_req, 3); } else if (memcmp(data, conf_req, 2) == 0) { diff --git a/drivers/net/ieee802154/Kconfig b/drivers/net/ieee802154/Kconfig index 391a916..1a3c3e5 100644 --- a/drivers/net/ieee802154/Kconfig +++ b/drivers/net/ieee802154/Kconfig @@ -10,16 +10,6 @@ menuconfig IEEE802154_DRIVERS If you say N, all options in this submenu will be skipped and disabled. -config IEEE802154_FAKEHARD - tristate "Fake LR-WPAN driver with several interconnected devices" - depends on IEEE802154_DRIVERS - ---help--- - Say Y here to enable the fake driver that serves as an example - of HardMAC device driver. - - This driver can also be built as a module. To do so say M here. - The module will be called 'fakehard'. - config IEEE802154_FAKELB depends on IEEE802154_DRIVERS && MAC802154 tristate "IEEE 802.15.4 loopback driver" diff --git a/drivers/net/ieee802154/Makefile b/drivers/net/ieee802154/Makefile index 655cb95..d77fa4d 100644 --- a/drivers/net/ieee802154/Makefile +++ b/drivers/net/ieee802154/Makefile @@ -1,4 +1,3 @@ -obj-$(CONFIG_IEEE802154_FAKEHARD) += fakehard.o obj-$(CONFIG_IEEE802154_FAKELB) += fakelb.o obj-$(CONFIG_IEEE802154_AT86RF230) += at86rf230.o obj-$(CONFIG_IEEE802154_MRF24J40) += mrf24j40.o diff --git a/drivers/net/ieee802154/at86rf230.c b/drivers/net/ieee802154/at86rf230.c index c9d2a75..9ad2d43 100644 --- a/drivers/net/ieee802154/at86rf230.c +++ b/drivers/net/ieee802154/at86rf230.c @@ -12,10 +12,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * * Written by: * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> * Alexander Smirnov <alex.bluesman.smirnov@gmail.com> @@ -33,10 +29,10 @@ #include <linux/regmap.h> #include <linux/skbuff.h> #include <linux/of_gpio.h> +#include <linux/ieee802154.h> -#include <net/ieee802154.h> #include <net/mac802154.h> -#include <net/wpan-phy.h> +#include <net/cfg802154.h> struct at86rf230_local; /* at86rf2xx chip depend data. @@ -58,7 +54,7 @@ struct at86rf2xx_chip_data { u16 t_tx_timeout; int rssi_base_val; - int (*set_channel)(struct at86rf230_local *, int, int); + int (*set_channel)(struct at86rf230_local *, u8, u8); int (*get_desense_steps)(struct at86rf230_local *, s32); }; @@ -74,12 +70,14 @@ struct at86rf230_state_change { void (*complete)(void *context); u8 from_state; u8 to_state; + + bool irq_enable; }; struct at86rf230_local { struct spi_device *spi; - struct ieee802154_dev *dev; + struct ieee802154_hw *hw; struct at86rf2xx_chip_data *data; struct regmap *regmap; @@ -89,10 +87,10 @@ struct at86rf230_local { struct at86rf230_state_change irq; bool tx_aret; + s8 max_frame_retries; bool is_tx; /* spinlock for is_tx protection */ spinlock_t lock; - struct completion tx_complete; struct sk_buff *tx_skb; struct at86rf230_state_change tx; }; @@ -291,10 +289,11 @@ struct at86rf230_local { #define AT86RF2XX_NUMREGS 0x3F -static int +static void at86rf230_async_state_change(struct at86rf230_local *lp, struct at86rf230_state_change *ctx, - const u8 state, void (*complete)(void *context)); + const u8 state, void (*complete)(void *context), + const bool irq_enable); static inline int __at86rf230_write(struct at86rf230_local *lp, @@ -451,7 +450,8 @@ at86rf230_async_error_recover(void *context) struct at86rf230_state_change *ctx = context; struct at86rf230_local *lp = ctx->lp; - at86rf230_async_state_change(lp, ctx, STATE_RX_AACK_ON, NULL); + at86rf230_async_state_change(lp, ctx, STATE_RX_AACK_ON, NULL, false); + ieee802154_wake_queue(lp->hw); } static void @@ -461,21 +461,31 @@ at86rf230_async_error(struct at86rf230_local *lp, dev_err(&lp->spi->dev, "spi_async error %d\n", rc); at86rf230_async_state_change(lp, ctx, STATE_FORCE_TRX_OFF, - at86rf230_async_error_recover); + at86rf230_async_error_recover, false); } /* Generic function to get some register value in async mode */ -static int +static void at86rf230_async_read_reg(struct at86rf230_local *lp, const u8 reg, struct at86rf230_state_change *ctx, - void (*complete)(void *context)) + void (*complete)(void *context), + const bool irq_enable) { + int rc; + u8 *tx_buf = ctx->buf; tx_buf[0] = (reg & CMD_REG_MASK) | CMD_REG; ctx->trx.len = 2; ctx->msg.complete = complete; - return spi_async(lp->spi, &ctx->msg); + ctx->irq_enable = irq_enable; + rc = spi_async(lp->spi, &ctx->msg); + if (rc) { + if (irq_enable) + enable_irq(lp->spi->irq); + + at86rf230_async_error(lp, ctx, rc); + } } static void @@ -512,7 +522,8 @@ at86rf230_async_state_assert(void *context) if (ctx->to_state == STATE_TX_ON) { at86rf230_async_state_change(lp, ctx, STATE_FORCE_TX_ON, - ctx->complete); + ctx->complete, + ctx->irq_enable); return; } } @@ -535,7 +546,6 @@ at86rf230_async_state_delay(void *context) struct at86rf230_local *lp = ctx->lp; struct at86rf2xx_chip_data *c = lp->data; bool force = false; - int rc; /* The force state changes are will show as normal states in the * state status subregister. We change the to_state to the @@ -604,10 +614,9 @@ at86rf230_async_state_delay(void *context) udelay(1); change: - rc = at86rf230_async_read_reg(lp, RG_TRX_STATUS, ctx, - at86rf230_async_state_assert); - if (rc) - dev_err(&lp->spi->dev, "spi_async error %d\n", rc); + at86rf230_async_read_reg(lp, RG_TRX_STATUS, ctx, + at86rf230_async_state_assert, + ctx->irq_enable); } static void @@ -622,10 +631,9 @@ at86rf230_async_state_change_start(void *context) /* Check for "possible" STATE_TRANSITION_IN_PROGRESS */ if (trx_state == STATE_TRANSITION_IN_PROGRESS) { udelay(1); - rc = at86rf230_async_read_reg(lp, RG_TRX_STATUS, ctx, - at86rf230_async_state_change_start); - if (rc) - dev_err(&lp->spi->dev, "spi_async error %d\n", rc); + at86rf230_async_read_reg(lp, RG_TRX_STATUS, ctx, + at86rf230_async_state_change_start, + ctx->irq_enable); return; } @@ -647,20 +655,27 @@ at86rf230_async_state_change_start(void *context) ctx->trx.len = 2; ctx->msg.complete = at86rf230_async_state_delay; rc = spi_async(lp->spi, &ctx->msg); - if (rc) - dev_err(&lp->spi->dev, "spi_async error %d\n", rc); + if (rc) { + if (ctx->irq_enable) + enable_irq(lp->spi->irq); + + at86rf230_async_error(lp, &lp->state, rc); + } } -static int +static void at86rf230_async_state_change(struct at86rf230_local *lp, struct at86rf230_state_change *ctx, - const u8 state, void (*complete)(void *context)) + const u8 state, void (*complete)(void *context), + const bool irq_enable) { /* Initialization for the state change context */ ctx->to_state = state; ctx->complete = complete; - return at86rf230_async_read_reg(lp, RG_TRX_STATUS, ctx, - at86rf230_async_state_change_start); + ctx->irq_enable = irq_enable; + at86rf230_async_read_reg(lp, RG_TRX_STATUS, ctx, + at86rf230_async_state_change_start, + irq_enable); } static void @@ -681,17 +696,16 @@ at86rf230_sync_state_change(struct at86rf230_local *lp, unsigned int state) { int rc; - rc = at86rf230_async_state_change(lp, &lp->state, state, - at86rf230_sync_state_change_complete); - if (rc) { - at86rf230_async_error(lp, &lp->state, rc); - return rc; - } + at86rf230_async_state_change(lp, &lp->state, state, + at86rf230_sync_state_change_complete, + false); rc = wait_for_completion_timeout(&lp->state_complete, msecs_to_jiffies(100)); - if (!rc) + if (!rc) { + at86rf230_async_error(lp, &lp->state, -ETIMEDOUT); return -ETIMEDOUT; + } return 0; } @@ -701,8 +715,23 @@ at86rf230_tx_complete(void *context) { struct at86rf230_state_change *ctx = context; struct at86rf230_local *lp = ctx->lp; + struct sk_buff *skb = lp->tx_skb; + + enable_irq(lp->spi->irq); + + if (lp->max_frame_retries <= 0) { + /* Interfame spacing time, which is phy depend. + * TODO + * Move this handling in MAC 802.15.4 layer. + * This is currently a workaround to avoid fragmenation issues. + */ + if (skb->len > 18) + udelay(lp->data->t_lifs); + else + udelay(lp->data->t_sifs); + } - complete(&lp->tx_complete); + ieee802154_xmit_complete(lp->hw, skb); } static void @@ -710,12 +739,9 @@ at86rf230_tx_on(void *context) { struct at86rf230_state_change *ctx = context; struct at86rf230_local *lp = ctx->lp; - int rc; - rc = at86rf230_async_state_change(lp, &lp->irq, STATE_RX_AACK_ON, - at86rf230_tx_complete); - if (rc) - at86rf230_async_error(lp, ctx, rc); + at86rf230_async_state_change(lp, &lp->irq, STATE_RX_AACK_ON, + at86rf230_tx_complete, true); } static void @@ -723,12 +749,9 @@ at86rf230_tx_trac_error(void *context) { struct at86rf230_state_change *ctx = context; struct at86rf230_local *lp = ctx->lp; - int rc; - rc = at86rf230_async_state_change(lp, ctx, STATE_TX_ON, - at86rf230_tx_on); - if (rc) - at86rf230_async_error(lp, ctx, rc); + at86rf230_async_state_change(lp, ctx, STATE_TX_ON, + at86rf230_tx_on, true); } static void @@ -738,17 +761,14 @@ at86rf230_tx_trac_check(void *context) struct at86rf230_local *lp = ctx->lp; const u8 *buf = ctx->buf; const u8 trac = (buf[1] & 0xe0) >> 5; - int rc; /* If trac status is different than zero we need to do a state change * to STATE_FORCE_TRX_OFF then STATE_TX_ON to recover the transceiver * state to TX_ON. */ if (trac) { - rc = at86rf230_async_state_change(lp, ctx, STATE_FORCE_TRX_OFF, - at86rf230_tx_trac_error); - if (rc) - at86rf230_async_error(lp, ctx, rc); + at86rf230_async_state_change(lp, ctx, STATE_FORCE_TRX_OFF, + at86rf230_tx_trac_error, true); return; } @@ -761,51 +781,29 @@ at86rf230_tx_trac_status(void *context) { struct at86rf230_state_change *ctx = context; struct at86rf230_local *lp = ctx->lp; - int rc; - rc = at86rf230_async_read_reg(lp, RG_TRX_STATE, ctx, - at86rf230_tx_trac_check); - if (rc) - at86rf230_async_error(lp, ctx, rc); + at86rf230_async_read_reg(lp, RG_TRX_STATE, ctx, + at86rf230_tx_trac_check, true); } static void at86rf230_rx(struct at86rf230_local *lp, - const u8 *data, u8 len) + const u8 *data, const u8 len, const u8 lqi) { - u8 lqi; struct sk_buff *skb; u8 rx_local_buf[AT86RF2XX_MAX_BUF]; - if (len < 2) - return; - - /* read full frame buffer and invalid lqi value to lowest - * indicator if frame was is in a corrupted state. - */ - if (len > IEEE802154_MTU) { - lqi = 0; - len = IEEE802154_MTU; - dev_vdbg(&lp->spi->dev, "corrupted frame received\n"); - } else { - lqi = data[len]; - } - memcpy(rx_local_buf, data, len); enable_irq(lp->spi->irq); - skb = alloc_skb(IEEE802154_MTU, GFP_ATOMIC); + skb = dev_alloc_skb(IEEE802154_MTU); if (!skb) { dev_vdbg(&lp->spi->dev, "failed to allocate sk_buff\n"); return; } memcpy(skb_put(skb, len), rx_local_buf, len); - - /* We do not put CRC into the frame */ - skb_trim(skb, len - 2); - - ieee802154_rx_irqsafe(lp->dev, skb, lqi); + ieee802154_rx_irqsafe(lp->hw, skb, lqi); } static void @@ -814,20 +812,31 @@ at86rf230_rx_read_frame_complete(void *context) struct at86rf230_state_change *ctx = context; struct at86rf230_local *lp = ctx->lp; const u8 *buf = lp->irq.buf; - const u8 len = buf[1]; + u8 len = buf[1]; - at86rf230_rx(lp, buf + 2, len); + if (!ieee802154_is_valid_psdu_len(len)) { + dev_vdbg(&lp->spi->dev, "corrupted frame received\n"); + len = IEEE802154_MTU; + } + + at86rf230_rx(lp, buf + 2, len, buf[2 + len]); } -static int +static void at86rf230_rx_read_frame(struct at86rf230_local *lp) { + int rc; + u8 *buf = lp->irq.buf; buf[0] = CMD_FB; lp->irq.trx.len = AT86RF2XX_MAX_BUF; lp->irq.msg.complete = at86rf230_rx_read_frame_complete; - return spi_async(lp->spi, &lp->irq.msg); + rc = spi_async(lp->spi, &lp->irq.msg); + if (rc) { + enable_irq(lp->spi->irq); + at86rf230_async_error(lp, &lp->irq, rc); + } } static void @@ -835,7 +844,6 @@ at86rf230_rx_trac_check(void *context) { struct at86rf230_state_change *ctx = context; struct at86rf230_local *lp = ctx->lp; - int rc; /* Possible check on trac status here. This could be useful to make * some stats why receive is failed. Not used at the moment, but it's @@ -843,34 +851,31 @@ at86rf230_rx_trac_check(void *context) * The programming guide say do it so. */ - rc = at86rf230_rx_read_frame(lp); - if (rc) { - enable_irq(lp->spi->irq); - at86rf230_async_error(lp, ctx, rc); - } + at86rf230_rx_read_frame(lp); } -static int +static void at86rf230_irq_trx_end(struct at86rf230_local *lp) { spin_lock(&lp->lock); if (lp->is_tx) { lp->is_tx = 0; spin_unlock(&lp->lock); - enable_irq(lp->spi->irq); if (lp->tx_aret) - return at86rf230_async_state_change(lp, &lp->irq, - STATE_FORCE_TX_ON, - at86rf230_tx_trac_status); + at86rf230_async_state_change(lp, &lp->irq, + STATE_FORCE_TX_ON, + at86rf230_tx_trac_status, + true); else - return at86rf230_async_state_change(lp, &lp->irq, - STATE_RX_AACK_ON, - at86rf230_tx_complete); + at86rf230_async_state_change(lp, &lp->irq, + STATE_RX_AACK_ON, + at86rf230_tx_complete, + true); } else { spin_unlock(&lp->lock); - return at86rf230_async_read_reg(lp, RG_TRX_STATE, &lp->irq, - at86rf230_rx_trac_check); + at86rf230_async_read_reg(lp, RG_TRX_STATE, &lp->irq, + at86rf230_rx_trac_check, true); } } @@ -881,12 +886,9 @@ at86rf230_irq_status(void *context) struct at86rf230_local *lp = ctx->lp; const u8 *buf = lp->irq.buf; const u8 irq = buf[1]; - int rc; if (irq & IRQ_TRX_END) { - rc = at86rf230_irq_trx_end(lp); - if (rc) - at86rf230_async_error(lp, ctx, rc); + at86rf230_irq_trx_end(lp); } else { enable_irq(lp->spi->irq); dev_err(&lp->spi->dev, "not supported irq %02x received\n", @@ -901,13 +903,14 @@ static irqreturn_t at86rf230_isr(int irq, void *data) u8 *buf = ctx->buf; int rc; - disable_irq_nosync(lp->spi->irq); + disable_irq_nosync(irq); buf[0] = (RG_IRQ_STATUS & CMD_REG_MASK) | CMD_REG; ctx->trx.len = 2; ctx->msg.complete = at86rf230_irq_status; rc = spi_async(lp->spi, &ctx->msg); if (rc) { + enable_irq(irq); at86rf230_async_error(lp, ctx, rc); return IRQ_NONE; } @@ -960,22 +963,18 @@ at86rf230_xmit_tx_on(void *context) { struct at86rf230_state_change *ctx = context; struct at86rf230_local *lp = ctx->lp; - int rc; - rc = at86rf230_async_state_change(lp, ctx, STATE_TX_ARET_ON, - at86rf230_write_frame); - if (rc) - at86rf230_async_error(lp, ctx, rc); + at86rf230_async_state_change(lp, ctx, STATE_TX_ARET_ON, + at86rf230_write_frame, false); } static int -at86rf230_xmit(struct ieee802154_dev *dev, struct sk_buff *skb) +at86rf230_xmit(struct ieee802154_hw *hw, struct sk_buff *skb) { - struct at86rf230_local *lp = dev->priv; + struct at86rf230_local *lp = hw->priv; struct at86rf230_state_change *ctx = &lp->tx; void (*tx_complete)(void *context) = at86rf230_write_frame; - int rc; lp->tx_skb = skb; @@ -986,61 +985,39 @@ at86rf230_xmit(struct ieee802154_dev *dev, struct sk_buff *skb) if (lp->tx_aret) tx_complete = at86rf230_xmit_tx_on; - rc = at86rf230_async_state_change(lp, ctx, STATE_TX_ON, - tx_complete); - if (rc) { - at86rf230_async_error(lp, ctx, rc); - return rc; - } - rc = wait_for_completion_interruptible_timeout(&lp->tx_complete, - msecs_to_jiffies(lp->data->t_tx_timeout)); - if (!rc) { - at86rf230_async_error(lp, ctx, rc); - return -ETIMEDOUT; - } - - /* Interfame spacing time, which is phy depend. - * TODO - * Move this handling in MAC 802.15.4 layer. - * This is currently a workaround to avoid fragmenation issues. - */ - if (skb->len > 18) - usleep_range(lp->data->t_lifs, lp->data->t_lifs + 10); - else - usleep_range(lp->data->t_sifs, lp->data->t_sifs + 10); + at86rf230_async_state_change(lp, ctx, STATE_TX_ON, tx_complete, false); return 0; } static int -at86rf230_ed(struct ieee802154_dev *dev, u8 *level) +at86rf230_ed(struct ieee802154_hw *hw, u8 *level) { - might_sleep(); BUG_ON(!level); *level = 0xbe; return 0; } static int -at86rf230_start(struct ieee802154_dev *dev) +at86rf230_start(struct ieee802154_hw *hw) { - return at86rf230_sync_state_change(dev->priv, STATE_RX_AACK_ON); + return at86rf230_sync_state_change(hw->priv, STATE_RX_AACK_ON); } static void -at86rf230_stop(struct ieee802154_dev *dev) +at86rf230_stop(struct ieee802154_hw *hw) { - at86rf230_sync_state_change(dev->priv, STATE_FORCE_TRX_OFF); + at86rf230_sync_state_change(hw->priv, STATE_FORCE_TRX_OFF); } static int -at86rf23x_set_channel(struct at86rf230_local *lp, int page, int channel) +at86rf23x_set_channel(struct at86rf230_local *lp, u8 page, u8 channel) { return at86rf230_write_subreg(lp, SR_CHANNEL, channel); } static int -at86rf212_set_channel(struct at86rf230_local *lp, int page, int channel) +at86rf212_set_channel(struct at86rf230_local *lp, u8 page, u8 channel) { int rc; @@ -1065,15 +1042,13 @@ at86rf212_set_channel(struct at86rf230_local *lp, int page, int channel) } static int -at86rf230_channel(struct ieee802154_dev *dev, int page, int channel) +at86rf230_channel(struct ieee802154_hw *hw, u8 page, u8 channel) { - struct at86rf230_local *lp = dev->priv; + struct at86rf230_local *lp = hw->priv; int rc; - might_sleep(); - if (page < 0 || page > 31 || - !(lp->dev->phy->channels_supported[page] & BIT(channel))) { + !(lp->hw->phy->channels_supported[page] & BIT(channel))) { WARN_ON(1); return -EINVAL; } @@ -1085,20 +1060,20 @@ at86rf230_channel(struct ieee802154_dev *dev, int page, int channel) /* Wait for PLL */ usleep_range(lp->data->t_channel_switch, lp->data->t_channel_switch + 10); - dev->phy->current_channel = channel; - dev->phy->current_page = page; + hw->phy->current_channel = channel; + hw->phy->current_page = page; return 0; } static int -at86rf230_set_hw_addr_filt(struct ieee802154_dev *dev, +at86rf230_set_hw_addr_filt(struct ieee802154_hw *hw, struct ieee802154_hw_addr_filt *filt, unsigned long changed) { - struct at86rf230_local *lp = dev->priv; + struct at86rf230_local *lp = hw->priv; - if (changed & IEEE802515_AFILT_SADDR_CHANGED) { + if (changed & IEEE802154_AFILT_SADDR_CHANGED) { u16 addr = le16_to_cpu(filt->short_addr); dev_vdbg(&lp->spi->dev, @@ -1107,7 +1082,7 @@ at86rf230_set_hw_addr_filt(struct ieee802154_dev *dev, __at86rf230_write(lp, RG_SHORT_ADDR_1, addr >> 8); } - if (changed & IEEE802515_AFILT_PANID_CHANGED) { + if (changed & IEEE802154_AFILT_PANID_CHANGED) { u16 pan = le16_to_cpu(filt->pan_id); dev_vdbg(&lp->spi->dev, @@ -1116,7 +1091,7 @@ at86rf230_set_hw_addr_filt(struct ieee802154_dev *dev, __at86rf230_write(lp, RG_PAN_ID_1, pan >> 8); } - if (changed & IEEE802515_AFILT_IEEEADDR_CHANGED) { + if (changed & IEEE802154_AFILT_IEEEADDR_CHANGED) { u8 i, addr[8]; memcpy(addr, &filt->ieee_addr, 8); @@ -1126,7 +1101,7 @@ at86rf230_set_hw_addr_filt(struct ieee802154_dev *dev, __at86rf230_write(lp, RG_IEEE_ADDR_0 + i, addr[i]); } - if (changed & IEEE802515_AFILT_PANC_CHANGED) { + if (changed & IEEE802154_AFILT_PANC_CHANGED) { dev_vdbg(&lp->spi->dev, "at86rf230_set_hw_addr_filt called for panc change\n"); if (filt->pan_coord) @@ -1139,9 +1114,9 @@ at86rf230_set_hw_addr_filt(struct ieee802154_dev *dev, } static int -at86rf230_set_txpower(struct ieee802154_dev *dev, int db) +at86rf230_set_txpower(struct ieee802154_hw *hw, int db) { - struct at86rf230_local *lp = dev->priv; + struct at86rf230_local *lp = hw->priv; /* typical maximum output is 5dBm with RG_PHY_TX_PWR 0x60, lower five * bits decrease power in 1dB steps. 0x60 represents extra PA gain of @@ -1158,17 +1133,17 @@ at86rf230_set_txpower(struct ieee802154_dev *dev, int db) } static int -at86rf230_set_lbt(struct ieee802154_dev *dev, bool on) +at86rf230_set_lbt(struct ieee802154_hw *hw, bool on) { - struct at86rf230_local *lp = dev->priv; + struct at86rf230_local *lp = hw->priv; return at86rf230_write_subreg(lp, SR_CSMA_LBT_MODE, on); } static int -at86rf230_set_cca_mode(struct ieee802154_dev *dev, u8 mode) +at86rf230_set_cca_mode(struct ieee802154_hw *hw, u8 mode) { - struct at86rf230_local *lp = dev->priv; + struct at86rf230_local *lp = hw->priv; return at86rf230_write_subreg(lp, SR_CCA_MODE, mode); } @@ -1186,9 +1161,9 @@ at86rf23x_get_desens_steps(struct at86rf230_local *lp, s32 level) } static int -at86rf230_set_cca_ed_level(struct ieee802154_dev *dev, s32 level) +at86rf230_set_cca_ed_level(struct ieee802154_hw *hw, s32 level) { - struct at86rf230_local *lp = dev->priv; + struct at86rf230_local *lp = hw->priv; if (level < lp->data->rssi_base_val || level > 30) return -EINVAL; @@ -1198,10 +1173,10 @@ at86rf230_set_cca_ed_level(struct ieee802154_dev *dev, s32 level) } static int -at86rf230_set_csma_params(struct ieee802154_dev *dev, u8 min_be, u8 max_be, +at86rf230_set_csma_params(struct ieee802154_hw *hw, u8 min_be, u8 max_be, u8 retries) { - struct at86rf230_local *lp = dev->priv; + struct at86rf230_local *lp = hw->priv; int rc; if (min_be > max_be || max_be > 8 || retries > 5) @@ -1219,15 +1194,16 @@ at86rf230_set_csma_params(struct ieee802154_dev *dev, u8 min_be, u8 max_be, } static int -at86rf230_set_frame_retries(struct ieee802154_dev *dev, s8 retries) +at86rf230_set_frame_retries(struct ieee802154_hw *hw, s8 retries) { - struct at86rf230_local *lp = dev->priv; + struct at86rf230_local *lp = hw->priv; int rc = 0; if (retries < -1 || retries > 15) return -EINVAL; lp->tx_aret = retries >= 0; + lp->max_frame_retries = retries; if (retries >= 0) rc = at86rf230_write_subreg(lp, SR_MAX_FRAME_RETRIES, retries); @@ -1235,9 +1211,36 @@ at86rf230_set_frame_retries(struct ieee802154_dev *dev, s8 retries) return rc; } -static struct ieee802154_ops at86rf230_ops = { +static int +at86rf230_set_promiscuous_mode(struct ieee802154_hw *hw, const bool on) +{ + struct at86rf230_local *lp = hw->priv; + int rc; + + if (on) { + rc = at86rf230_write_subreg(lp, SR_AACK_DIS_ACK, 1); + if (rc < 0) + return rc; + + rc = at86rf230_write_subreg(lp, SR_AACK_PROM_MODE, 1); + if (rc < 0) + return rc; + } else { + rc = at86rf230_write_subreg(lp, SR_AACK_PROM_MODE, 0); + if (rc < 0) + return rc; + + rc = at86rf230_write_subreg(lp, SR_AACK_DIS_ACK, 0); + if (rc < 0) + return rc; + } + + return 0; +} + +static const struct ieee802154_ops at86rf230_ops = { .owner = THIS_MODULE, - .xmit = at86rf230_xmit, + .xmit_async = at86rf230_xmit, .ed = at86rf230_ed, .set_channel = at86rf230_channel, .start = at86rf230_start, @@ -1249,6 +1252,7 @@ static struct ieee802154_ops at86rf230_ops = { .set_cca_ed_level = at86rf230_set_cca_ed_level, .set_csma_params = at86rf230_set_csma_params, .set_frame_retries = at86rf230_set_frame_retries, + .set_promiscuous_mode = at86rf230_set_promiscuous_mode, }; static struct at86rf2xx_chip_data at86rf233_data = { @@ -1260,7 +1264,7 @@ static struct at86rf2xx_chip_data at86rf233_data = { .t_frame = 4096, .t_p_ack = 545, .t_sifs = 192, - .t_lifs = 480, + .t_lifs = 640, .t_tx_timeout = 2000, .rssi_base_val = -91, .set_channel = at86rf23x_set_channel, @@ -1276,7 +1280,7 @@ static struct at86rf2xx_chip_data at86rf231_data = { .t_frame = 4096, .t_p_ack = 545, .t_sifs = 192, - .t_lifs = 480, + .t_lifs = 640, .t_tx_timeout = 2000, .rssi_base_val = -91, .set_channel = at86rf23x_set_channel, @@ -1292,7 +1296,7 @@ static struct at86rf2xx_chip_data at86rf212_data = { .t_frame = 4096, .t_p_ack = 545, .t_sifs = 192, - .t_lifs = 480, + .t_lifs = 640, .t_tx_timeout = 2000, .rssi_base_val = -100, .set_channel = at86rf212_set_channel, @@ -1409,9 +1413,10 @@ at86rf230_detect_device(struct at86rf230_local *lp) return -EINVAL; } - lp->dev->extra_tx_headroom = 0; - lp->dev->flags = IEEE802154_HW_OMIT_CKSUM | IEEE802154_HW_AACK | - IEEE802154_HW_TXPOWER | IEEE802154_HW_CSMA; + lp->hw->extra_tx_headroom = 0; + lp->hw->flags = IEEE802154_HW_TX_OMIT_CKSUM | IEEE802154_HW_AACK | + IEEE802154_HW_TXPOWER | IEEE802154_HW_ARET | + IEEE802154_HW_AFILT | IEEE802154_HW_PROMISCUOUS; switch (part) { case 2: @@ -1421,15 +1426,15 @@ at86rf230_detect_device(struct at86rf230_local *lp) case 3: chip = "at86rf231"; lp->data = &at86rf231_data; - lp->dev->phy->channels_supported[0] = 0x7FFF800; + lp->hw->phy->channels_supported[0] = 0x7FFF800; break; case 7: chip = "at86rf212"; if (version == 1) { lp->data = &at86rf212_data; - lp->dev->flags |= IEEE802154_HW_LBT; - lp->dev->phy->channels_supported[0] = 0x00007FF; - lp->dev->phy->channels_supported[2] = 0x00007FF; + lp->hw->flags |= IEEE802154_HW_LBT; + lp->hw->phy->channels_supported[0] = 0x00007FF; + lp->hw->phy->channels_supported[2] = 0x00007FF; } else { rc = -ENOTSUPP; } @@ -1437,7 +1442,7 @@ at86rf230_detect_device(struct at86rf230_local *lp) case 11: chip = "at86rf233"; lp->data = &at86rf233_data; - lp->dev->phy->channels_supported[0] = 0x7FFF800; + lp->hw->phy->channels_supported[0] = 0x7FFF800; break; default: chip = "unkown"; @@ -1478,7 +1483,7 @@ at86rf230_setup_spi_messages(struct at86rf230_local *lp) static int at86rf230_probe(struct spi_device *spi) { struct at86rf230_platform_data *pdata; - struct ieee802154_dev *dev; + struct ieee802154_hw *hw; struct at86rf230_local *lp; unsigned int status; int rc, irq_type; @@ -1517,14 +1522,14 @@ static int at86rf230_probe(struct spi_device *spi) usleep_range(120, 240); } - dev = ieee802154_alloc_device(sizeof(*lp), &at86rf230_ops); - if (!dev) + hw = ieee802154_alloc_hw(sizeof(*lp), &at86rf230_ops); + if (!hw) return -ENOMEM; - lp = dev->priv; - lp->dev = dev; + lp = hw->priv; + lp->hw = hw; lp->spi = spi; - dev->parent = &spi->dev; + hw->parent = &spi->dev; lp->regmap = devm_regmap_init_spi(spi, &at86rf230_regmap_spi_config); if (IS_ERR(lp->regmap)) { @@ -1541,7 +1546,6 @@ static int at86rf230_probe(struct spi_device *spi) goto free_dev; spin_lock_init(&lp->lock); - init_completion(&lp->tx_complete); init_completion(&lp->state_complete); spi_set_drvdata(spi, lp); @@ -1564,14 +1568,14 @@ static int at86rf230_probe(struct spi_device *spi) if (rc) goto free_dev; - rc = ieee802154_register_device(lp->dev); + rc = ieee802154_register_hw(lp->hw); if (rc) goto free_dev; return rc; free_dev: - ieee802154_free_device(lp->dev); + ieee802154_free_hw(lp->hw); return rc; } @@ -1582,8 +1586,8 @@ static int at86rf230_remove(struct spi_device *spi) /* mask all at86rf230 irq's */ at86rf230_write_subreg(lp, SR_IRQ_MASK, 0); - ieee802154_unregister_device(lp->dev); - ieee802154_free_device(lp->dev); + ieee802154_unregister_hw(lp->hw); + ieee802154_free_hw(lp->hw); dev_dbg(&spi->dev, "unregistered at86rf230\n"); return 0; diff --git a/drivers/net/ieee802154/cc2520.c b/drivers/net/ieee802154/cc2520.c index 8a5ac7a..340671b 100644 --- a/drivers/net/ieee802154/cc2520.c +++ b/drivers/net/ieee802154/cc2520.c @@ -21,10 +21,10 @@ #include <linux/skbuff.h> #include <linux/pinctrl/consumer.h> #include <linux/of_gpio.h> +#include <linux/ieee802154.h> #include <net/mac802154.h> -#include <net/wpan-phy.h> -#include <net/ieee802154.h> +#include <net/cfg802154.h> #define SPI_COMMAND_BUFFER 3 #define HIGH 1 @@ -193,7 +193,7 @@ /* Driver private information */ struct cc2520_private { struct spi_device *spi; /* SPI device structure */ - struct ieee802154_dev *dev; /* IEEE-802.15.4 device */ + struct ieee802154_hw *hw; /* IEEE-802.15.4 device */ u8 *buf; /* SPI TX/Rx data buffer */ struct mutex buffer_mutex; /* SPI buffer mutex */ bool is_tx; /* Flag for sync b/w Tx and Rx */ @@ -453,20 +453,20 @@ cc2520_read_rxfifo(struct cc2520_private *priv, u8 *data, u8 len, u8 *lqi) return status; } -static int cc2520_start(struct ieee802154_dev *dev) +static int cc2520_start(struct ieee802154_hw *hw) { - return cc2520_cmd_strobe(dev->priv, CC2520_CMD_SRXON); + return cc2520_cmd_strobe(hw->priv, CC2520_CMD_SRXON); } -static void cc2520_stop(struct ieee802154_dev *dev) +static void cc2520_stop(struct ieee802154_hw *hw) { - cc2520_cmd_strobe(dev->priv, CC2520_CMD_SRFOFF); + cc2520_cmd_strobe(hw->priv, CC2520_CMD_SRFOFF); } static int -cc2520_tx(struct ieee802154_dev *dev, struct sk_buff *skb) +cc2520_tx(struct ieee802154_hw *hw, struct sk_buff *skb) { - struct cc2520_private *priv = dev->priv; + struct cc2520_private *priv = hw->priv; unsigned long flags; int rc; u8 status = 0; @@ -524,7 +524,7 @@ static int cc2520_rx(struct cc2520_private *priv) if (len < 2 || len > IEEE802154_MTU) return -EINVAL; - skb = alloc_skb(len, GFP_KERNEL); + skb = dev_alloc_skb(len); if (!skb) return -ENOMEM; @@ -536,7 +536,7 @@ static int cc2520_rx(struct cc2520_private *priv) skb_trim(skb, skb->len - 2); - ieee802154_rx_irqsafe(priv->dev, skb, lqi); + ieee802154_rx_irqsafe(priv->hw, skb, lqi); dev_vdbg(&priv->spi->dev, "RXFIFO: %x %x\n", len, lqi); @@ -544,9 +544,9 @@ static int cc2520_rx(struct cc2520_private *priv) } static int -cc2520_ed(struct ieee802154_dev *dev, u8 *level) +cc2520_ed(struct ieee802154_hw *hw, u8 *level) { - struct cc2520_private *priv = dev->priv; + struct cc2520_private *priv = hw->priv; u8 status = 0xff; u8 rssi; int ret; @@ -569,12 +569,11 @@ cc2520_ed(struct ieee802154_dev *dev, u8 *level) } static int -cc2520_set_channel(struct ieee802154_dev *dev, int page, int channel) +cc2520_set_channel(struct ieee802154_hw *hw, u8 page, u8 channel) { - struct cc2520_private *priv = dev->priv; + struct cc2520_private *priv = hw->priv; int ret; - might_sleep(); dev_dbg(&priv->spi->dev, "trying to set channel\n"); BUG_ON(page != 0); @@ -588,12 +587,12 @@ cc2520_set_channel(struct ieee802154_dev *dev, int page, int channel) } static int -cc2520_filter(struct ieee802154_dev *dev, +cc2520_filter(struct ieee802154_hw *hw, struct ieee802154_hw_addr_filt *filt, unsigned long changed) { - struct cc2520_private *priv = dev->priv; + struct cc2520_private *priv = hw->priv; - if (changed & IEEE802515_AFILT_PANID_CHANGED) { + if (changed & IEEE802154_AFILT_PANID_CHANGED) { u16 panid = le16_to_cpu(filt->pan_id); dev_vdbg(&priv->spi->dev, @@ -602,7 +601,7 @@ cc2520_filter(struct ieee802154_dev *dev, sizeof(panid), (u8 *)&panid); } - if (changed & IEEE802515_AFILT_IEEEADDR_CHANGED) { + if (changed & IEEE802154_AFILT_IEEEADDR_CHANGED) { dev_vdbg(&priv->spi->dev, "cc2520_filter called for IEEE addr\n"); cc2520_write_ram(priv, CC2520RAM_IEEEADDR, @@ -610,7 +609,7 @@ cc2520_filter(struct ieee802154_dev *dev, (u8 *)&filt->ieee_addr); } - if (changed & IEEE802515_AFILT_SADDR_CHANGED) { + if (changed & IEEE802154_AFILT_SADDR_CHANGED) { u16 addr = le16_to_cpu(filt->short_addr); dev_vdbg(&priv->spi->dev, @@ -619,7 +618,7 @@ cc2520_filter(struct ieee802154_dev *dev, sizeof(addr), (u8 *)&addr); } - if (changed & IEEE802515_AFILT_PANC_CHANGED) { + if (changed & IEEE802154_AFILT_PANC_CHANGED) { dev_vdbg(&priv->spi->dev, "cc2520_filter called for panc change\n"); if (filt->pan_coord) @@ -631,11 +630,11 @@ cc2520_filter(struct ieee802154_dev *dev, return 0; } -static struct ieee802154_ops cc2520_ops = { +static const struct ieee802154_ops cc2520_ops = { .owner = THIS_MODULE, .start = cc2520_start, .stop = cc2520_stop, - .xmit = cc2520_tx, + .xmit_sync = cc2520_tx, .ed = cc2520_ed, .set_channel = cc2520_set_channel, .set_hw_addr_filt = cc2520_filter, @@ -645,27 +644,28 @@ static int cc2520_register(struct cc2520_private *priv) { int ret = -ENOMEM; - priv->dev = ieee802154_alloc_device(sizeof(*priv), &cc2520_ops); - if (!priv->dev) + priv->hw = ieee802154_alloc_hw(sizeof(*priv), &cc2520_ops); + if (!priv->hw) goto err_ret; - priv->dev->priv = priv; - priv->dev->parent = &priv->spi->dev; - priv->dev->extra_tx_headroom = 0; + priv->hw->priv = priv; + priv->hw->parent = &priv->spi->dev; + priv->hw->extra_tx_headroom = 0; /* We do support only 2.4 Ghz */ - priv->dev->phy->channels_supported[0] = 0x7FFF800; - priv->dev->flags = IEEE802154_HW_OMIT_CKSUM | IEEE802154_HW_AACK; + priv->hw->phy->channels_supported[0] = 0x7FFF800; + priv->hw->flags = IEEE802154_HW_OMIT_CKSUM | IEEE802154_HW_AACK | + IEEE802154_HW_AFILT; dev_vdbg(&priv->spi->dev, "registered cc2520\n"); - ret = ieee802154_register_device(priv->dev); + ret = ieee802154_register_hw(priv->hw); if (ret) goto err_free_device; return 0; err_free_device: - ieee802154_free_device(priv->dev); + ieee802154_free_hw(priv->hw); err_ret: return ret; } @@ -1002,8 +1002,8 @@ static int cc2520_remove(struct spi_device *spi) mutex_destroy(&priv->buffer_mutex); flush_work(&priv->fifop_irqwork); - ieee802154_unregister_device(priv->dev); - ieee802154_free_device(priv->dev); + ieee802154_unregister_hw(priv->hw); + ieee802154_free_hw(priv->hw); return 0; } diff --git a/drivers/net/ieee802154/fakehard.c b/drivers/net/ieee802154/fakehard.c deleted file mode 100644 index 9ce854f..0000000 --- a/drivers/net/ieee802154/fakehard.c +++ /dev/null @@ -1,427 +0,0 @@ -/* - * Sample driver for HardMAC IEEE 802.15.4 devices - * - * Copyright (C) 2009 Siemens AG - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * - * Written by: - * Dmitry Eremin-Solenikov <dmitry.baryshkov@siemens.com> - */ -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/netdevice.h> -#include <linux/skbuff.h> -#include <linux/if_arp.h> - -#include <net/af_ieee802154.h> -#include <net/ieee802154_netdev.h> -#include <net/ieee802154.h> -#include <net/nl802154.h> -#include <net/wpan-phy.h> - -struct fakehard_priv { - struct wpan_phy *phy; -}; - -static struct wpan_phy *fake_to_phy(const struct net_device *dev) -{ - struct fakehard_priv *priv = netdev_priv(dev); - return priv->phy; -} - -/** - * fake_get_phy - Return a phy corresponding to this device. - * @dev: The network device for which to return the wan-phy object - * - * This function returns a wpan-phy object corresponding to the passed - * network device. Reference counter for wpan-phy object is incremented, - * so when the wpan-phy isn't necessary, you should drop the reference - * via @wpan_phy_put() call. - */ -static struct wpan_phy *fake_get_phy(const struct net_device *dev) -{ - struct wpan_phy *phy = fake_to_phy(dev); - return to_phy(get_device(&phy->dev)); -} - -/** - * fake_get_pan_id - Retrieve the PAN ID of the device. - * @dev: The network device to retrieve the PAN of. - * - * Return the ID of the PAN from the PIB. - */ -static __le16 fake_get_pan_id(const struct net_device *dev) -{ - BUG_ON(dev->type != ARPHRD_IEEE802154); - - return cpu_to_le16(0xeba1); -} - -/** - * fake_get_short_addr - Retrieve the short address of the device. - * @dev: The network device to retrieve the short address of. - * - * Returns the IEEE 802.15.4 short-form address cached for this - * device. If the device has not yet had a short address assigned - * then this should return 0xFFFF to indicate a lack of association. - */ -static __le16 fake_get_short_addr(const struct net_device *dev) -{ - BUG_ON(dev->type != ARPHRD_IEEE802154); - - return cpu_to_le16(0x1); -} - -/** - * fake_get_dsn - Retrieve the DSN of the device. - * @dev: The network device to retrieve the DSN for. - * - * Returns the IEEE 802.15.4 DSN for the network device. - * The DSN is the sequence number which will be added to each - * packet or MAC command frame by the MAC during transmission. - * - * DSN means 'Data Sequence Number'. - * - * Note: This is in section 7.2.1.2 of the IEEE 802.15.4-2006 - * document. - */ -static u8 fake_get_dsn(const struct net_device *dev) -{ - BUG_ON(dev->type != ARPHRD_IEEE802154); - - return 0x00; /* DSN are implemented in HW, so return just 0 */ -} - -/** - * fake_assoc_req - Make an association request to the HW. - * @dev: The network device which we are associating to a network. - * @addr: The coordinator with which we wish to associate. - * @channel: The channel on which to associate. - * @cap: The capability information field to use in the association. - * - * Start an association with a coordinator. The coordinator's address - * and PAN ID can be found in @addr. - * - * Note: This is in section 7.3.1 and 7.5.3.1 of the IEEE - * 802.15.4-2006 document. - */ -static int fake_assoc_req(struct net_device *dev, - struct ieee802154_addr *addr, u8 channel, u8 page, u8 cap) -{ - struct wpan_phy *phy = fake_to_phy(dev); - - mutex_lock(&phy->pib_lock); - phy->current_channel = channel; - phy->current_page = page; - mutex_unlock(&phy->pib_lock); - - /* We simply emulate it here */ - return ieee802154_nl_assoc_confirm(dev, fake_get_short_addr(dev), - IEEE802154_SUCCESS); -} - -/** - * fake_assoc_resp - Send an association response to a device. - * @dev: The network device on which to send the response. - * @addr: The address of the device to respond to. - * @short_addr: The assigned short address for the device (if any). - * @status: The result of the association request. - * - * Queue the association response of the coordinator to another - * device's attempt to associate with the network which we - * coordinate. This is then added to the indirect-send queue to be - * transmitted to the end device when it polls for data. - * - * Note: This is in section 7.3.2 and 7.5.3.1 of the IEEE - * 802.15.4-2006 document. - */ -static int fake_assoc_resp(struct net_device *dev, - struct ieee802154_addr *addr, __le16 short_addr, u8 status) -{ - return 0; -} - -/** - * fake_disassoc_req - Disassociate a device from a network. - * @dev: The network device on which we're disassociating a device. - * @addr: The device to disassociate from the network. - * @reason: The reason to give to the device for being disassociated. - * - * This sends a disassociation notification to the device being - * disassociated from the network. - * - * Note: This is in section 7.5.3.2 of the IEEE 802.15.4-2006 - * document, with the reason described in 7.3.3.2. - */ -static int fake_disassoc_req(struct net_device *dev, - struct ieee802154_addr *addr, u8 reason) -{ - return ieee802154_nl_disassoc_confirm(dev, IEEE802154_SUCCESS); -} - -/** - * fake_start_req - Start an IEEE 802.15.4 PAN. - * @dev: The network device on which to start the PAN. - * @addr: The coordinator address to use when starting the PAN. - * @channel: The channel on which to start the PAN. - * @bcn_ord: Beacon order. - * @sf_ord: Superframe order. - * @pan_coord: Whether or not we are the PAN coordinator or just - * requesting a realignment perhaps? - * @blx: Battery Life Extension feature bitfield. - * @coord_realign: Something to realign something else. - * - * If pan_coord is non-zero then this starts a network with the - * provided parameters, otherwise it attempts a coordinator - * realignment of the stated network instead. - * - * Note: This is in section 7.5.2.3 of the IEEE 802.15.4-2006 - * document, with 7.3.8 describing coordinator realignment. - */ -static int fake_start_req(struct net_device *dev, - struct ieee802154_addr *addr, u8 channel, u8 page, - u8 bcn_ord, u8 sf_ord, u8 pan_coord, u8 blx, - u8 coord_realign) -{ - struct wpan_phy *phy = fake_to_phy(dev); - - mutex_lock(&phy->pib_lock); - phy->current_channel = channel; - phy->current_page = page; - mutex_unlock(&phy->pib_lock); - - /* We don't emulate beacons here at all, so START should fail */ - ieee802154_nl_start_confirm(dev, IEEE802154_INVALID_PARAMETER); - return 0; -} - -/** - * fake_scan_req - Start a channel scan. - * @dev: The network device on which to perform a channel scan. - * @type: The type of scan to perform. - * @channels: The channel bitmask to scan. - * @duration: How long to spend on each channel. - * - * This starts either a passive (energy) scan or an active (PAN) scan - * on the channels indicated in the @channels bitmask. The duration of - * the scan is measured in terms of superframe duration. Specifically, - * the scan will spend aBaseSuperFrameDuration * ((2^n) + 1) on each - * channel. - * - * Note: This is in section 7.5.2.1 of the IEEE 802.15.4-2006 document. - */ -static int fake_scan_req(struct net_device *dev, u8 type, u32 channels, - u8 page, u8 duration) -{ - u8 edl[27] = {}; - return ieee802154_nl_scan_confirm(dev, IEEE802154_SUCCESS, type, - channels, page, - type == IEEE802154_MAC_SCAN_ED ? edl : NULL); -} - -static struct ieee802154_mlme_ops fake_mlme = { - .assoc_req = fake_assoc_req, - .assoc_resp = fake_assoc_resp, - .disassoc_req = fake_disassoc_req, - .start_req = fake_start_req, - .scan_req = fake_scan_req, - - .get_phy = fake_get_phy, - - .get_pan_id = fake_get_pan_id, - .get_short_addr = fake_get_short_addr, - .get_dsn = fake_get_dsn, -}; - -static int ieee802154_fake_open(struct net_device *dev) -{ - netif_start_queue(dev); - return 0; -} - -static int ieee802154_fake_close(struct net_device *dev) -{ - netif_stop_queue(dev); - return 0; -} - -static netdev_tx_t ieee802154_fake_xmit(struct sk_buff *skb, - struct net_device *dev) -{ - dev->stats.tx_packets++; - dev->stats.tx_bytes += skb->len; - - /* FIXME: do hardware work here ... */ - - dev_kfree_skb(skb); - return NETDEV_TX_OK; -} - - -static int ieee802154_fake_ioctl(struct net_device *dev, struct ifreq *ifr, - int cmd) -{ - struct sockaddr_ieee802154 *sa = - (struct sockaddr_ieee802154 *)&ifr->ifr_addr; - u16 pan_id, short_addr; - - switch (cmd) { - case SIOCGIFADDR: - /* FIXME: fixed here, get from device IRL */ - pan_id = le16_to_cpu(fake_get_pan_id(dev)); - short_addr = le16_to_cpu(fake_get_short_addr(dev)); - if (pan_id == IEEE802154_PANID_BROADCAST || - short_addr == IEEE802154_ADDR_BROADCAST) - return -EADDRNOTAVAIL; - - sa->family = AF_IEEE802154; - sa->addr.addr_type = IEEE802154_ADDR_SHORT; - sa->addr.pan_id = pan_id; - sa->addr.short_addr = short_addr; - return 0; - } - return -ENOIOCTLCMD; -} - -static int ieee802154_fake_mac_addr(struct net_device *dev, void *p) -{ - return -EBUSY; /* HW address is built into the device */ -} - -static const struct net_device_ops fake_ops = { - .ndo_open = ieee802154_fake_open, - .ndo_stop = ieee802154_fake_close, - .ndo_start_xmit = ieee802154_fake_xmit, - .ndo_do_ioctl = ieee802154_fake_ioctl, - .ndo_set_mac_address = ieee802154_fake_mac_addr, -}; - -static void ieee802154_fake_destruct(struct net_device *dev) -{ - struct wpan_phy *phy = fake_to_phy(dev); - - wpan_phy_unregister(phy); - free_netdev(dev); - wpan_phy_free(phy); -} - -static void ieee802154_fake_setup(struct net_device *dev) -{ - dev->addr_len = IEEE802154_ADDR_LEN; - memset(dev->broadcast, 0xff, IEEE802154_ADDR_LEN); - dev->features = NETIF_F_HW_CSUM; - dev->needed_tailroom = 2; /* FCS */ - dev->mtu = 127; - dev->tx_queue_len = 10; - dev->type = ARPHRD_IEEE802154; - dev->flags = IFF_NOARP | IFF_BROADCAST; - dev->watchdog_timeo = 0; - dev->destructor = ieee802154_fake_destruct; -} - - -static int ieee802154fake_probe(struct platform_device *pdev) -{ - struct net_device *dev; - struct fakehard_priv *priv; - struct wpan_phy *phy = wpan_phy_alloc(0); - int err; - - if (!phy) - return -ENOMEM; - - dev = alloc_netdev(sizeof(struct fakehard_priv), "hardwpan%d", - NET_NAME_UNKNOWN, ieee802154_fake_setup); - if (!dev) { - wpan_phy_free(phy); - return -ENOMEM; - } - - memcpy(dev->dev_addr, "\xba\xbe\xca\xfe\xde\xad\xbe\xef", - dev->addr_len); - - /* - * For now we'd like to emulate 2.4 GHz-only device, - * both O-QPSK and CSS - */ - /* 2.4 GHz O-QPSK 802.15.4-2003 */ - phy->channels_supported[0] |= 0x7FFF800; - /* 2.4 GHz CSS 802.15.4a-2007 */ - phy->channels_supported[3] |= 0x3fff; - - phy->transmit_power = 0xbf; - - dev->netdev_ops = &fake_ops; - dev->ml_priv = &fake_mlme; - - priv = netdev_priv(dev); - priv->phy = phy; - - wpan_phy_set_dev(phy, &pdev->dev); - SET_NETDEV_DEV(dev, &phy->dev); - - platform_set_drvdata(pdev, dev); - - err = wpan_phy_register(phy); - if (err) - goto out; - - err = register_netdev(dev); - if (err < 0) - goto out; - - dev_info(&pdev->dev, "Added ieee802154 HardMAC hardware\n"); - return 0; - -out: - unregister_netdev(dev); - return err; -} - -static int ieee802154fake_remove(struct platform_device *pdev) -{ - struct net_device *dev = platform_get_drvdata(pdev); - unregister_netdev(dev); - return 0; -} - -static struct platform_device *ieee802154fake_dev; - -static struct platform_driver ieee802154fake_driver = { - .probe = ieee802154fake_probe, - .remove = ieee802154fake_remove, - .driver = { - .name = "ieee802154hardmac", - .owner = THIS_MODULE, - }, -}; - -static __init int fake_init(void) -{ - ieee802154fake_dev = platform_device_register_simple( - "ieee802154hardmac", -1, NULL, 0); - return platform_driver_register(&ieee802154fake_driver); -} - -static __exit void fake_exit(void) -{ - platform_driver_unregister(&ieee802154fake_driver); - platform_device_unregister(ieee802154fake_dev); -} - -module_init(fake_init); -module_exit(fake_exit); -MODULE_LICENSE("GPL"); diff --git a/drivers/net/ieee802154/fakelb.c b/drivers/net/ieee802154/fakelb.c index 27d8320..6e62286 100644 --- a/drivers/net/ieee802154/fakelb.c +++ b/drivers/net/ieee802154/fakelb.c @@ -12,10 +12,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * * Written by: * Sergey Lapin <slapin@ossfans.org> * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> @@ -29,12 +25,12 @@ #include <linux/device.h> #include <linux/spinlock.h> #include <net/mac802154.h> -#include <net/wpan-phy.h> +#include <net/cfg802154.h> static int numlbs = 1; struct fakelb_dev_priv { - struct ieee802154_dev *dev; + struct ieee802154_hw *hw; struct list_head list; struct fakelb_priv *fake; @@ -49,9 +45,8 @@ struct fakelb_priv { }; static int -fakelb_hw_ed(struct ieee802154_dev *dev, u8 *level) +fakelb_hw_ed(struct ieee802154_hw *hw, u8 *level) { - might_sleep(); BUG_ON(!level); *level = 0xbe; @@ -59,13 +54,12 @@ fakelb_hw_ed(struct ieee802154_dev *dev, u8 *level) } static int -fakelb_hw_channel(struct ieee802154_dev *dev, int page, int channel) +fakelb_hw_channel(struct ieee802154_hw *hw, u8 page, u8 channel) { pr_debug("set channel to %d\n", channel); - might_sleep(); - dev->phy->current_page = page; - dev->phy->current_channel = channel; + hw->phy->current_page = page; + hw->phy->current_channel = channel; return 0; } @@ -78,19 +72,17 @@ fakelb_hw_deliver(struct fakelb_dev_priv *priv, struct sk_buff *skb) spin_lock(&priv->lock); if (priv->working) { newskb = pskb_copy(skb, GFP_ATOMIC); - ieee802154_rx_irqsafe(priv->dev, newskb, 0xcc); + ieee802154_rx_irqsafe(priv->hw, newskb, 0xcc); } spin_unlock(&priv->lock); } static int -fakelb_hw_xmit(struct ieee802154_dev *dev, struct sk_buff *skb) +fakelb_hw_xmit(struct ieee802154_hw *hw, struct sk_buff *skb) { - struct fakelb_dev_priv *priv = dev->priv; + struct fakelb_dev_priv *priv = hw->priv; struct fakelb_priv *fake = priv->fake; - might_sleep(); - read_lock_bh(&fake->lock); if (priv->list.next == priv->list.prev) { /* we are the only one device */ @@ -99,8 +91,8 @@ fakelb_hw_xmit(struct ieee802154_dev *dev, struct sk_buff *skb) struct fakelb_dev_priv *dp; list_for_each_entry(dp, &priv->fake->list, list) { if (dp != priv && - (dp->dev->phy->current_channel == - priv->dev->phy->current_channel)) + (dp->hw->phy->current_channel == + priv->hw->phy->current_channel)) fakelb_hw_deliver(dp, skb); } } @@ -110,8 +102,8 @@ fakelb_hw_xmit(struct ieee802154_dev *dev, struct sk_buff *skb) } static int -fakelb_hw_start(struct ieee802154_dev *dev) { - struct fakelb_dev_priv *priv = dev->priv; +fakelb_hw_start(struct ieee802154_hw *hw) { + struct fakelb_dev_priv *priv = hw->priv; int ret = 0; spin_lock(&priv->lock); @@ -125,17 +117,17 @@ fakelb_hw_start(struct ieee802154_dev *dev) { } static void -fakelb_hw_stop(struct ieee802154_dev *dev) { - struct fakelb_dev_priv *priv = dev->priv; +fakelb_hw_stop(struct ieee802154_hw *hw) { + struct fakelb_dev_priv *priv = hw->priv; spin_lock(&priv->lock); priv->working = 0; spin_unlock(&priv->lock); } -static struct ieee802154_ops fakelb_ops = { +static const struct ieee802154_ops fakelb_ops = { .owner = THIS_MODULE, - .xmit = fakelb_hw_xmit, + .xmit_sync = fakelb_hw_xmit, .ed = fakelb_hw_ed, .set_channel = fakelb_hw_channel, .start = fakelb_hw_start, @@ -150,54 +142,54 @@ static int fakelb_add_one(struct device *dev, struct fakelb_priv *fake) { struct fakelb_dev_priv *priv; int err; - struct ieee802154_dev *ieee; + struct ieee802154_hw *hw; - ieee = ieee802154_alloc_device(sizeof(*priv), &fakelb_ops); - if (!ieee) + hw = ieee802154_alloc_hw(sizeof(*priv), &fakelb_ops); + if (!hw) return -ENOMEM; - priv = ieee->priv; - priv->dev = ieee; + priv = hw->priv; + priv->hw = hw; /* 868 MHz BPSK 802.15.4-2003 */ - ieee->phy->channels_supported[0] |= 1; + hw->phy->channels_supported[0] |= 1; /* 915 MHz BPSK 802.15.4-2003 */ - ieee->phy->channels_supported[0] |= 0x7fe; + hw->phy->channels_supported[0] |= 0x7fe; /* 2.4 GHz O-QPSK 802.15.4-2003 */ - ieee->phy->channels_supported[0] |= 0x7FFF800; + hw->phy->channels_supported[0] |= 0x7FFF800; /* 868 MHz ASK 802.15.4-2006 */ - ieee->phy->channels_supported[1] |= 1; + hw->phy->channels_supported[1] |= 1; /* 915 MHz ASK 802.15.4-2006 */ - ieee->phy->channels_supported[1] |= 0x7fe; + hw->phy->channels_supported[1] |= 0x7fe; /* 868 MHz O-QPSK 802.15.4-2006 */ - ieee->phy->channels_supported[2] |= 1; + hw->phy->channels_supported[2] |= 1; /* 915 MHz O-QPSK 802.15.4-2006 */ - ieee->phy->channels_supported[2] |= 0x7fe; + hw->phy->channels_supported[2] |= 0x7fe; /* 2.4 GHz CSS 802.15.4a-2007 */ - ieee->phy->channels_supported[3] |= 0x3fff; + hw->phy->channels_supported[3] |= 0x3fff; /* UWB Sub-gigahertz 802.15.4a-2007 */ - ieee->phy->channels_supported[4] |= 1; + hw->phy->channels_supported[4] |= 1; /* UWB Low band 802.15.4a-2007 */ - ieee->phy->channels_supported[4] |= 0x1e; + hw->phy->channels_supported[4] |= 0x1e; /* UWB High band 802.15.4a-2007 */ - ieee->phy->channels_supported[4] |= 0xffe0; + hw->phy->channels_supported[4] |= 0xffe0; /* 750 MHz O-QPSK 802.15.4c-2009 */ - ieee->phy->channels_supported[5] |= 0xf; + hw->phy->channels_supported[5] |= 0xf; /* 750 MHz MPSK 802.15.4c-2009 */ - ieee->phy->channels_supported[5] |= 0xf0; + hw->phy->channels_supported[5] |= 0xf0; /* 950 MHz BPSK 802.15.4d-2009 */ - ieee->phy->channels_supported[6] |= 0x3ff; + hw->phy->channels_supported[6] |= 0x3ff; /* 950 MHz GFSK 802.15.4d-2009 */ - ieee->phy->channels_supported[6] |= 0x3ffc00; + hw->phy->channels_supported[6] |= 0x3ffc00; INIT_LIST_HEAD(&priv->list); priv->fake = fake; spin_lock_init(&priv->lock); - ieee->parent = dev; + hw->parent = dev; - err = ieee802154_register_device(ieee); + err = ieee802154_register_hw(hw); if (err) goto err_reg; @@ -208,7 +200,7 @@ static int fakelb_add_one(struct device *dev, struct fakelb_priv *fake) return 0; err_reg: - ieee802154_free_device(priv->dev); + ieee802154_free_hw(priv->hw); return err; } @@ -218,8 +210,8 @@ static void fakelb_del(struct fakelb_dev_priv *priv) list_del(&priv->list); write_unlock_bh(&priv->fake->lock); - ieee802154_unregister_device(priv->dev); - ieee802154_free_device(priv->dev); + ieee802154_unregister_hw(priv->hw); + ieee802154_free_hw(priv->hw); } static int fakelb_probe(struct platform_device *pdev) diff --git a/drivers/net/ieee802154/mrf24j40.c b/drivers/net/ieee802154/mrf24j40.c index 07e0b88..a200fa1 100644 --- a/drivers/net/ieee802154/mrf24j40.c +++ b/drivers/net/ieee802154/mrf24j40.c @@ -13,18 +13,14 @@ * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/spi/spi.h> #include <linux/interrupt.h> #include <linux/module.h> -#include <net/wpan-phy.h> +#include <linux/ieee802154.h> +#include <net/cfg802154.h> #include <net/mac802154.h> -#include <net/ieee802154.h> /* MRF24J40 Short Address Registers */ #define REG_RXMCR 0x00 /* Receive MAC control */ @@ -43,6 +39,8 @@ #define REG_TXSTBL 0x2E /* TX Stabilization */ #define REG_INTSTAT 0x31 /* Interrupt Status */ #define REG_INTCON 0x32 /* Interrupt Control */ +#define REG_GPIO 0x33 /* GPIO */ +#define REG_TRISGPIO 0x34 /* GPIO direction */ #define REG_RFCTL 0x36 /* RF Control Mode Register */ #define REG_BBREG1 0x39 /* Baseband Registers */ #define REG_BBREG2 0x3A /* */ @@ -63,6 +61,7 @@ #define REG_SLPCON1 0x220 #define REG_WAKETIMEL 0x222 /* Wake-up Time Match Value Low */ #define REG_WAKETIMEH 0x223 /* Wake-up Time Match Value High */ +#define REG_TESTMODE 0x22F /* Test mode */ #define REG_RX_FIFO 0x300 /* Receive FIFO */ /* Device configuration: Only channels 11-26 on page 0 are supported. */ @@ -75,10 +74,12 @@ #define RX_FIFO_SIZE 144 /* From datasheet */ #define SET_CHANNEL_DELAY_US 192 /* From datasheet */ +enum mrf24j40_modules { MRF24J40, MRF24J40MA, MRF24J40MC }; + /* Device Private Data */ struct mrf24j40 { struct spi_device *spi; - struct ieee802154_dev *dev; + struct ieee802154_hw *hw; struct mutex buffer_mutex; /* only used to protect buf */ struct completion tx_complete; @@ -331,9 +332,9 @@ out: return ret; } -static int mrf24j40_tx(struct ieee802154_dev *dev, struct sk_buff *skb) +static int mrf24j40_tx(struct ieee802154_hw *hw, struct sk_buff *skb) { - struct mrf24j40 *devrec = dev->priv; + struct mrf24j40 *devrec = hw->priv; u8 val; int ret = 0; @@ -382,7 +383,7 @@ err: return ret; } -static int mrf24j40_ed(struct ieee802154_dev *dev, u8 *level) +static int mrf24j40_ed(struct ieee802154_hw *hw, u8 *level) { /* TODO: */ pr_warn("mrf24j40: ed not implemented\n"); @@ -390,9 +391,9 @@ static int mrf24j40_ed(struct ieee802154_dev *dev, u8 *level) return 0; } -static int mrf24j40_start(struct ieee802154_dev *dev) +static int mrf24j40_start(struct ieee802154_hw *hw) { - struct mrf24j40 *devrec = dev->priv; + struct mrf24j40 *devrec = hw->priv; u8 val; int ret; @@ -407,9 +408,9 @@ static int mrf24j40_start(struct ieee802154_dev *dev) return 0; } -static void mrf24j40_stop(struct ieee802154_dev *dev) +static void mrf24j40_stop(struct ieee802154_hw *hw) { - struct mrf24j40 *devrec = dev->priv; + struct mrf24j40 *devrec = hw->priv; u8 val; int ret; @@ -422,10 +423,9 @@ static void mrf24j40_stop(struct ieee802154_dev *dev) write_short_reg(devrec, REG_INTCON, val); } -static int mrf24j40_set_channel(struct ieee802154_dev *dev, - int page, int channel) +static int mrf24j40_set_channel(struct ieee802154_hw *hw, u8 page, u8 channel) { - struct mrf24j40 *devrec = dev->priv; + struct mrf24j40 *devrec = hw->priv; u8 val; int ret; @@ -453,15 +453,15 @@ static int mrf24j40_set_channel(struct ieee802154_dev *dev, return 0; } -static int mrf24j40_filter(struct ieee802154_dev *dev, +static int mrf24j40_filter(struct ieee802154_hw *hw, struct ieee802154_hw_addr_filt *filt, unsigned long changed) { - struct mrf24j40 *devrec = dev->priv; + struct mrf24j40 *devrec = hw->priv; dev_dbg(printdev(devrec), "filter\n"); - if (changed & IEEE802515_AFILT_SADDR_CHANGED) { + if (changed & IEEE802154_AFILT_SADDR_CHANGED) { /* Short Addr */ u8 addrh, addrl; @@ -474,7 +474,7 @@ static int mrf24j40_filter(struct ieee802154_dev *dev, "Set short addr to %04hx\n", filt->short_addr); } - if (changed & IEEE802515_AFILT_IEEEADDR_CHANGED) { + if (changed & IEEE802154_AFILT_IEEEADDR_CHANGED) { /* Device Address */ u8 i, addr[8]; @@ -490,7 +490,7 @@ static int mrf24j40_filter(struct ieee802154_dev *dev, #endif } - if (changed & IEEE802515_AFILT_PANID_CHANGED) { + if (changed & IEEE802154_AFILT_PANID_CHANGED) { /* PAN ID */ u8 panidl, panidh; @@ -502,7 +502,7 @@ static int mrf24j40_filter(struct ieee802154_dev *dev, dev_dbg(printdev(devrec), "Set PANID to %04hx\n", filt->pan_id); } - if (changed & IEEE802515_AFILT_PANC_CHANGED) { + if (changed & IEEE802154_AFILT_PANC_CHANGED) { /* Pan Coordinator */ u8 val; int ret; @@ -543,7 +543,7 @@ static int mrf24j40_handle_rx(struct mrf24j40 *devrec) val |= 4; /* SET RXDECINV */ write_short_reg(devrec, REG_BBREG1, val); - skb = alloc_skb(len, GFP_KERNEL); + skb = dev_alloc_skb(len); if (!skb) { ret = -ENOMEM; goto out; @@ -563,7 +563,7 @@ static int mrf24j40_handle_rx(struct mrf24j40 *devrec) /* TODO: Other drivers call ieee20154_rx_irqsafe() here (eg: cc2040, * also from a workqueue). I think irqsafe is not necessary here. * Can someone confirm? */ - ieee802154_rx_irqsafe(devrec->dev, skb, lqi); + ieee802154_rx_irqsafe(devrec->hw, skb, lqi); dev_dbg(printdev(devrec), "RX Handled\n"); @@ -578,9 +578,9 @@ out: return ret; } -static struct ieee802154_ops mrf24j40_ops = { +static const struct ieee802154_ops mrf24j40_ops = { .owner = THIS_MODULE, - .xmit = mrf24j40_tx, + .xmit_sync = mrf24j40_tx, .ed = mrf24j40_ed, .start = mrf24j40_start, .stop = mrf24j40_stop, @@ -691,6 +691,28 @@ static int mrf24j40_hw_init(struct mrf24j40 *devrec) if (ret) goto err_ret; + if (spi_get_device_id(devrec->spi)->driver_data == MRF24J40MC) { + /* Enable external amplifier. + * From MRF24J40MC datasheet section 1.3: Operation. + */ + read_long_reg(devrec, REG_TESTMODE, &val); + val |= 0x7; /* Configure GPIO 0-2 to control amplifier */ + write_long_reg(devrec, REG_TESTMODE, val); + + read_short_reg(devrec, REG_TRISGPIO, &val); + val |= 0x8; /* Set GPIO3 as output. */ + write_short_reg(devrec, REG_TRISGPIO, val); + + read_short_reg(devrec, REG_GPIO, &val); + val |= 0x8; /* Set GPIO3 HIGH to enable U5 voltage regulator */ + write_short_reg(devrec, REG_GPIO, val); + + /* Reduce TX pwr to meet FCC requirements. + * From MRF24J40MC datasheet section 3.1.1 + */ + write_long_reg(devrec, REG_RFCON3, 0x28); + } + return 0; err_ret: @@ -722,17 +744,18 @@ static int mrf24j40_probe(struct spi_device *spi) /* Register with the 802154 subsystem */ - devrec->dev = ieee802154_alloc_device(0, &mrf24j40_ops); - if (!devrec->dev) + devrec->hw = ieee802154_alloc_hw(0, &mrf24j40_ops); + if (!devrec->hw) goto err_ret; - devrec->dev->priv = devrec; - devrec->dev->parent = &devrec->spi->dev; - devrec->dev->phy->channels_supported[0] = CHANNEL_MASK; - devrec->dev->flags = IEEE802154_HW_OMIT_CKSUM|IEEE802154_HW_AACK; + devrec->hw->priv = devrec; + devrec->hw->parent = &devrec->spi->dev; + devrec->hw->phy->channels_supported[0] = CHANNEL_MASK; + devrec->hw->flags = IEEE802154_HW_OMIT_CKSUM | IEEE802154_HW_AACK | + IEEE802154_HW_AFILT; dev_dbg(printdev(devrec), "registered mrf24j40\n"); - ret = ieee802154_register_device(devrec->dev); + ret = ieee802154_register_hw(devrec->hw); if (ret) goto err_register_device; @@ -757,9 +780,9 @@ static int mrf24j40_probe(struct spi_device *spi) err_irq: err_hw_init: - ieee802154_unregister_device(devrec->dev); + ieee802154_unregister_hw(devrec->hw); err_register_device: - ieee802154_free_device(devrec->dev); + ieee802154_free_hw(devrec->hw); err_ret: return ret; } @@ -770,8 +793,8 @@ static int mrf24j40_remove(struct spi_device *spi) dev_dbg(printdev(devrec), "remove\n"); - ieee802154_unregister_device(devrec->dev); - ieee802154_free_device(devrec->dev); + ieee802154_unregister_hw(devrec->hw); + ieee802154_free_hw(devrec->hw); /* TODO: Will ieee802154_free_device() wait until ->xmit() is * complete? */ @@ -779,8 +802,9 @@ static int mrf24j40_remove(struct spi_device *spi) } static const struct spi_device_id mrf24j40_ids[] = { - { "mrf24j40", 0 }, - { "mrf24j40ma", 0 }, + { "mrf24j40", MRF24J40 }, + { "mrf24j40ma", MRF24J40MA }, + { "mrf24j40mc", MRF24J40MC }, { }, }; MODULE_DEVICE_TABLE(spi, mrf24j40_ids); diff --git a/include/net/ieee802154.h b/include/linux/ieee802154.h index 0aa7122..6e50a2a 100644 --- a/include/net/ieee802154.h +++ b/include/linux/ieee802154.h @@ -12,10 +12,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * * Written by: * Pavel Smolenskiy <pavel.smolenskiy@gmail.com> * Maxim Gorbachyov <maxim.gorbachev@siemens.com> @@ -24,10 +20,13 @@ * Alexander Smirnov <alex.bluesman.smirnov@gmail.com> */ -#ifndef NET_IEEE802154_H -#define NET_IEEE802154_H +#ifndef LINUX_IEEE802154_H +#define LINUX_IEEE802154_H + +#include <linux/types.h> #define IEEE802154_MTU 127 +#define IEEE802154_MIN_PSDU_LEN 5 #define IEEE802154_FC_TYPE_BEACON 0x0 /* Frame is beacon */ #define IEEE802154_FC_TYPE_DATA 0x1 /* Frame is data */ @@ -189,7 +188,13 @@ enum { IEEE802154_SCAN_IN_PROGRESS = 0xfc, }; +/** + * ieee802154_is_valid_psdu_len - check if psdu len is valid + * @len: psdu len with (MHR + payload + MFR) + */ +static inline bool ieee802154_is_valid_psdu_len(const u8 len) +{ + return (len >= IEEE802154_MIN_PSDU_LEN && len <= IEEE802154_MTU); +} -#endif - - +#endif /* LINUX_IEEE802154_H */ diff --git a/include/linux/nl802154.h b/include/linux/nl802154.h index 20163b9..167342c 100644 --- a/include/linux/nl802154.h +++ b/include/linux/nl802154.h @@ -12,10 +12,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * */ #ifndef NL802154_H diff --git a/include/net/6lowpan.h b/include/net/6lowpan.h index d184df1..dc03d77 100644 --- a/include/net/6lowpan.h +++ b/include/net/6lowpan.h @@ -372,12 +372,12 @@ lowpan_uncompress_size(const struct sk_buff *skb, u16 *dgram_offset) return skb->len + uncomp_header - ret; } -typedef int (*skb_delivery_cb)(struct sk_buff *skb, struct net_device *dev); - -int lowpan_process_data(struct sk_buff *skb, struct net_device *dev, - const u8 *saddr, const u8 saddr_type, const u8 saddr_len, - const u8 *daddr, const u8 daddr_type, const u8 daddr_len, - u8 iphc0, u8 iphc1, skb_delivery_cb skb_deliver); +int +lowpan_header_decompress(struct sk_buff *skb, struct net_device *dev, + const u8 *saddr, const u8 saddr_type, + const u8 saddr_len, const u8 *daddr, + const u8 daddr_type, const u8 daddr_len, + u8 iphc0, u8 iphc1); int lowpan_header_compress(struct sk_buff *skb, struct net_device *dev, unsigned short type, const void *_daddr, const void *_saddr, unsigned int len); diff --git a/include/net/af_ieee802154.h b/include/net/af_ieee802154.h index 085940f..7d38e2f 100644 --- a/include/net/af_ieee802154.h +++ b/include/net/af_ieee802154.h @@ -12,10 +12,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * * Written by: * Sergey Lapin <slapin@ossfans.org> * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index 37ff1ae..b8685a7 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -398,6 +398,8 @@ struct hci_conn { __u16 le_conn_interval; __u16 le_conn_latency; __u16 le_supv_timeout; + __u8 le_adv_data[HCI_MAX_AD_LENGTH]; + __u8 le_adv_data_len; __s8 rssi; __s8 tx_power; __s8 max_tx_power; @@ -553,6 +555,7 @@ enum { HCI_CONN_STK_ENCRYPT, HCI_CONN_AUTH_INITIATOR, HCI_CONN_DROP, + HCI_CONN_PARAM_REMOVAL_PEND, }; static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) @@ -1310,9 +1313,8 @@ int mgmt_update_adv_data(struct hci_dev *hdev); void mgmt_discoverable_timeout(struct hci_dev *hdev); void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, bool persistent); -void mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, - u8 addr_type, u32 flags, u8 *name, u8 name_len, - u8 *dev_class); +void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn, + u32 flags, u8 *name, u8 name_len); void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, u8 addr_type, u8 reason, bool mgmt_connected); diff --git a/include/net/wpan-phy.h b/include/net/cfg802154.h index 10ab0fc..440b9be 100644 --- a/include/net/wpan-phy.h +++ b/include/net/cfg802154.h @@ -10,16 +10,12 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * * Written by: * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> */ -#ifndef WPAN_PHY_H -#define WPAN_PHY_H +#ifndef __NET_CFG802154_H +#define __NET_CFG802154_H #include <linux/netdevice.h> #include <linux/mutex.h> @@ -61,15 +57,7 @@ struct wpan_phy { const char *name, int type); void (*del_iface)(struct wpan_phy *phy, struct net_device *dev); - int (*set_txpower)(struct wpan_phy *phy, int db); - int (*set_lbt)(struct wpan_phy *phy, bool on); - int (*set_cca_mode)(struct wpan_phy *phy, u8 cca_mode); - int (*set_cca_ed_level)(struct wpan_phy *phy, int level); - int (*set_csma_params)(struct wpan_phy *phy, u8 min_be, u8 max_be, - u8 retries); - int (*set_frame_retries)(struct wpan_phy *phy, s8 retries); - - char priv[0] __attribute__((__aligned__(NETDEV_ALIGN))); + char priv[0] __aligned(NETDEV_ALIGN); }; #define to_phy(_dev) container_of(_dev, struct wpan_phy, dev) @@ -79,6 +67,7 @@ static inline void wpan_phy_set_dev(struct wpan_phy *phy, struct device *dev) { phy->dev.parent = dev; } + int wpan_phy_register(struct wpan_phy *phy); void wpan_phy_unregister(struct wpan_phy *phy); void wpan_phy_free(struct wpan_phy *phy); @@ -102,4 +91,5 @@ static inline const char *wpan_phy_name(struct wpan_phy *phy) { return dev_name(&phy->dev); } -#endif + +#endif /* __NET_CFG802154_H */ diff --git a/include/net/ieee802154_netdev.h b/include/net/ieee802154_netdev.h index 3b53c8e..5e62d75 100644 --- a/include/net/ieee802154_netdev.h +++ b/include/net/ieee802154_netdev.h @@ -12,10 +12,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * * Written by: * Pavel Smolenskiy <pavel.smolenskiy@gmail.com> * Maxim Gorbachyov <maxim.gorbachev@siemens.com> @@ -27,10 +23,10 @@ #ifndef IEEE802154_NETDEVICE_H #define IEEE802154_NETDEVICE_H -#include <net/ieee802154.h> #include <net/af_ieee802154.h> #include <linux/netdevice.h> #include <linux/skbuff.h> +#include <linux/ieee802154.h> struct ieee802154_sechdr { #if defined(__LITTLE_ENDIAN_BITFIELD) diff --git a/include/net/mac802154.h b/include/net/mac802154.h index 2e67cdd..8f1de68 100644 --- a/include/net/mac802154.h +++ b/include/net/mac802154.h @@ -12,9 +12,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #ifndef NET_MAC802154_H #define NET_MAC802154_H @@ -35,13 +32,13 @@ */ /* indicates that the Short Address changed */ -#define IEEE802515_AFILT_SADDR_CHANGED 0x00000001 +#define IEEE802154_AFILT_SADDR_CHANGED 0x00000001 /* indicates that the IEEE Address changed */ -#define IEEE802515_AFILT_IEEEADDR_CHANGED 0x00000002 +#define IEEE802154_AFILT_IEEEADDR_CHANGED 0x00000002 /* indicates that the PAN ID changed */ -#define IEEE802515_AFILT_PANID_CHANGED 0x00000004 +#define IEEE802154_AFILT_PANID_CHANGED 0x00000004 /* indicates that PAN Coordinator status changed */ -#define IEEE802515_AFILT_PANC_CHANGED 0x00000008 +#define IEEE802154_AFILT_PANC_CHANGED 0x00000008 struct ieee802154_hw_addr_filt { __le16 pan_id; /* Each independent PAN selects a unique @@ -55,7 +52,7 @@ struct ieee802154_hw_addr_filt { u8 pan_coord; }; -struct ieee802154_dev { +struct ieee802154_hw { /* filled by the driver */ int extra_tx_headroom; u32 flags; @@ -76,28 +73,43 @@ struct ieee802154_dev { * however, so you are advised to review these flags carefully. */ -/* Indicates that receiver omits FCS and xmitter will add FCS on it's own. */ -#define IEEE802154_HW_OMIT_CKSUM 0x00000001 +/* Indicates that xmitter will add FCS on it's own. */ +#define IEEE802154_HW_TX_OMIT_CKSUM 0x00000001 /* Indicates that receiver will autorespond with ACK frames. */ -#define IEEE802154_HW_AACK 0x00000002 +#define IEEE802154_HW_AACK 0x00000002 /* Indicates that transceiver will support transmit power setting. */ -#define IEEE802154_HW_TXPOWER 0x00000004 +#define IEEE802154_HW_TXPOWER 0x00000004 /* Indicates that transceiver will support listen before transmit. */ -#define IEEE802154_HW_LBT 0x00000008 +#define IEEE802154_HW_LBT 0x00000008 /* Indicates that transceiver will support cca mode setting. */ -#define IEEE802154_HW_CCA_MODE 0x00000010 +#define IEEE802154_HW_CCA_MODE 0x00000010 /* Indicates that transceiver will support cca ed level setting. */ -#define IEEE802154_HW_CCA_ED_LEVEL 0x00000020 +#define IEEE802154_HW_CCA_ED_LEVEL 0x00000020 /* Indicates that transceiver will support csma (max_be, min_be, csma retries) * settings. */ -#define IEEE802154_HW_CSMA_PARAMS 0x00000040 +#define IEEE802154_HW_CSMA_PARAMS 0x00000040 /* Indicates that transceiver will support ARET frame retries setting. */ -#define IEEE802154_HW_FRAME_RETRIES 0x00000080 +#define IEEE802154_HW_FRAME_RETRIES 0x00000080 +/* Indicates that transceiver will support hardware address filter setting. */ +#define IEEE802154_HW_AFILT 0x00000100 +/* Indicates that transceiver will support promiscuous mode setting. */ +#define IEEE802154_HW_PROMISCUOUS 0x00000200 +/* Indicates that receiver omits FCS. */ +#define IEEE802154_HW_RX_OMIT_CKSUM 0x00000400 +/* Indicates that receiver will not filter frames with bad checksum. */ +#define IEEE802154_HW_RX_DROP_BAD_CKSUM 0x00000800 + +/* Indicates that receiver omits FCS and xmitter will add FCS on it's own. */ +#define IEEE802154_HW_OMIT_CKSUM (IEEE802154_HW_TX_OMIT_CKSUM | \ + IEEE802154_HW_RX_OMIT_CKSUM) /* This groups the most common CSMA support fields into one. */ #define IEEE802154_HW_CSMA (IEEE802154_HW_CCA_MODE | \ IEEE802154_HW_CCA_ED_LEVEL | \ - IEEE802154_HW_CSMA_PARAMS | \ + IEEE802154_HW_CSMA_PARAMS) + +/* This groups the most common ARET support fields into one. */ +#define IEEE802154_HW_ARET (IEEE802154_HW_CSMA | \ IEEE802154_HW_FRAME_RETRIES) /* struct ieee802154_ops - callbacks from mac802154 to the driver @@ -112,12 +124,24 @@ struct ieee802154_dev { * stop: Handler that 802.15.4 module calls for device cleanup. * This function is called after the last interface is removed. * - * xmit: Handler that 802.15.4 module calls for each transmitted frame. + * xmit_sync: + * Handler that 802.15.4 module calls for each transmitted frame. + * skb cntains the buffer starting from the IEEE 802.15.4 header. + * The low-level driver should send the frame based on available + * configuration. This is called by a workqueue and useful for + * synchronous 802.15.4 drivers. + * This function should return zero or negative errno. + * + * WARNING: + * This will be deprecated soon. We don't accept synced xmit callbacks + * drivers anymore. + * + * xmit_async: + * Handler that 802.15.4 module calls for each transmitted frame. * skb cntains the buffer starting from the IEEE 802.15.4 header. * The low-level driver should send the frame based on available * configuration. - * This function should return zero or negative errno. Called with - * pib_lock held. + * This function should return zero or negative errno. * * ed: Handler that 802.15.4 module calls for Energy Detection. * This function should place the value for detected energy @@ -159,40 +183,50 @@ struct ieee802154_dev { * set_frame_retries * Sets the retransmission attempt limit. Called with pib_lock held. * Returns either zero, or negative errno. + * + * set_promiscuous_mode + * Enables or disable promiscuous mode. */ struct ieee802154_ops { struct module *owner; - int (*start)(struct ieee802154_dev *dev); - void (*stop)(struct ieee802154_dev *dev); - int (*xmit)(struct ieee802154_dev *dev, - struct sk_buff *skb); - int (*ed)(struct ieee802154_dev *dev, u8 *level); - int (*set_channel)(struct ieee802154_dev *dev, - int page, - int channel); - int (*set_hw_addr_filt)(struct ieee802154_dev *dev, - struct ieee802154_hw_addr_filt *filt, + int (*start)(struct ieee802154_hw *hw); + void (*stop)(struct ieee802154_hw *hw); + int (*xmit_sync)(struct ieee802154_hw *hw, + struct sk_buff *skb); + int (*xmit_async)(struct ieee802154_hw *hw, + struct sk_buff *skb); + int (*ed)(struct ieee802154_hw *hw, u8 *level); + int (*set_channel)(struct ieee802154_hw *hw, u8 page, + u8 channel); + int (*set_hw_addr_filt)(struct ieee802154_hw *hw, + struct ieee802154_hw_addr_filt *filt, unsigned long changed); - int (*ieee_addr)(struct ieee802154_dev *dev, __le64 addr); - int (*set_txpower)(struct ieee802154_dev *dev, int db); - int (*set_lbt)(struct ieee802154_dev *dev, bool on); - int (*set_cca_mode)(struct ieee802154_dev *dev, u8 mode); - int (*set_cca_ed_level)(struct ieee802154_dev *dev, + int (*set_txpower)(struct ieee802154_hw *hw, int db); + int (*set_lbt)(struct ieee802154_hw *hw, bool on); + int (*set_cca_mode)(struct ieee802154_hw *hw, u8 mode); + int (*set_cca_ed_level)(struct ieee802154_hw *hw, s32 level); - int (*set_csma_params)(struct ieee802154_dev *dev, + int (*set_csma_params)(struct ieee802154_hw *hw, u8 min_be, u8 max_be, u8 retries); - int (*set_frame_retries)(struct ieee802154_dev *dev, + int (*set_frame_retries)(struct ieee802154_hw *hw, s8 retries); + int (*set_promiscuous_mode)(struct ieee802154_hw *hw, + const bool on); }; -/* Basic interface to register ieee802154 device */ -struct ieee802154_dev * -ieee802154_alloc_device(size_t priv_data_len, struct ieee802154_ops *ops); -void ieee802154_free_device(struct ieee802154_dev *dev); -int ieee802154_register_device(struct ieee802154_dev *dev); -void ieee802154_unregister_device(struct ieee802154_dev *dev); +/* Basic interface to register ieee802154 hwice */ +struct ieee802154_hw * +ieee802154_alloc_hw(size_t priv_data_len, const struct ieee802154_ops *ops); +void ieee802154_free_hw(struct ieee802154_hw *hw); +int ieee802154_register_hw(struct ieee802154_hw *hw); +void ieee802154_unregister_hw(struct ieee802154_hw *hw); -void ieee802154_rx_irqsafe(struct ieee802154_dev *dev, struct sk_buff *skb, +void ieee802154_rx(struct ieee802154_hw *hw, struct sk_buff *skb); +void ieee802154_rx_irqsafe(struct ieee802154_hw *hw, struct sk_buff *skb, u8 lqi); +void ieee802154_wake_queue(struct ieee802154_hw *hw); +void ieee802154_stop_queue(struct ieee802154_hw *hw); +void ieee802154_xmit_complete(struct ieee802154_hw *hw, struct sk_buff *skb); + #endif /* NET_MAC802154_H */ diff --git a/include/net/nl802154.h b/include/net/nl802154.h index b23548e..b5cdea2 100644 --- a/include/net/nl802154.h +++ b/include/net/nl802154.h @@ -12,10 +12,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * */ #ifndef IEEE802154_NL_H diff --git a/net/6lowpan/iphc.c b/net/6lowpan/iphc.c index 142eef5..73a7065 100644 --- a/net/6lowpan/iphc.c +++ b/net/6lowpan/iphc.c @@ -171,37 +171,6 @@ static int uncompress_context_based_src_addr(struct sk_buff *skb, return 0; } -static int skb_deliver(struct sk_buff *skb, struct ipv6hdr *hdr, - struct net_device *dev, skb_delivery_cb deliver_skb) -{ - struct sk_buff *new; - int stat; - - new = skb_copy_expand(skb, sizeof(struct ipv6hdr), skb_tailroom(skb), - GFP_ATOMIC); - kfree_skb(skb); - - if (!new) - return -ENOMEM; - - skb_push(new, sizeof(struct ipv6hdr)); - skb_reset_network_header(new); - skb_copy_to_linear_data(new, hdr, sizeof(struct ipv6hdr)); - - new->protocol = htons(ETH_P_IPV6); - new->pkt_type = PACKET_HOST; - new->dev = dev; - - raw_dump_table(__func__, "raw skb data dump before receiving", - new->data, new->len); - - stat = deliver_skb(new, dev); - - kfree_skb(new); - - return stat; -} - /* Uncompress function for multicast destination address, * when M bit is set. */ @@ -332,10 +301,12 @@ err: /* TTL uncompression values */ static const u8 lowpan_ttl_values[] = { 0, 1, 64, 255 }; -int lowpan_process_data(struct sk_buff *skb, struct net_device *dev, - const u8 *saddr, const u8 saddr_type, const u8 saddr_len, - const u8 *daddr, const u8 daddr_type, const u8 daddr_len, - u8 iphc0, u8 iphc1, skb_delivery_cb deliver_skb) +int +lowpan_header_decompress(struct sk_buff *skb, struct net_device *dev, + const u8 *saddr, const u8 saddr_type, + const u8 saddr_len, const u8 *daddr, + const u8 daddr_type, const u8 daddr_len, + u8 iphc0, u8 iphc1) { struct ipv6hdr hdr = {}; u8 tmp, num_context = 0; @@ -460,7 +431,7 @@ int lowpan_process_data(struct sk_buff *skb, struct net_device *dev, /* UDP data uncompression */ if (iphc0 & LOWPAN_IPHC_NH_C) { struct udphdr uh; - struct sk_buff *new; + const int needed = sizeof(struct udphdr) + sizeof(hdr); if (uncompress_udp_header(skb, &uh)) goto drop; @@ -468,14 +439,11 @@ int lowpan_process_data(struct sk_buff *skb, struct net_device *dev, /* replace the compressed UDP head by the uncompressed UDP * header */ - new = skb_copy_expand(skb, sizeof(struct udphdr), - skb_tailroom(skb), GFP_ATOMIC); - kfree_skb(skb); - - if (!new) - return -ENOMEM; - - skb = new; + err = skb_cow(skb, needed); + if (unlikely(err)) { + kfree_skb(skb); + return err; + } skb_push(skb, sizeof(struct udphdr)); skb_reset_transport_header(skb); @@ -485,6 +453,12 @@ int lowpan_process_data(struct sk_buff *skb, struct net_device *dev, (u8 *)&uh, sizeof(uh)); hdr.nexthdr = UIP_PROTO_UDP; + } else { + err = skb_cow(skb, sizeof(hdr)); + if (unlikely(err)) { + kfree_skb(skb); + return err; + } } hdr.payload_len = htons(skb->len); @@ -497,15 +471,18 @@ int lowpan_process_data(struct sk_buff *skb, struct net_device *dev, hdr.version, ntohs(hdr.payload_len), hdr.nexthdr, hdr.hop_limit, &hdr.daddr); - raw_dump_table(__func__, "raw header dump", (u8 *)&hdr, sizeof(hdr)); + skb_push(skb, sizeof(hdr)); + skb_reset_network_header(skb); + skb_copy_to_linear_data(skb, &hdr, sizeof(hdr)); - return skb_deliver(skb, &hdr, dev, deliver_skb); + raw_dump_table(__func__, "raw header dump", (u8 *)&hdr, sizeof(hdr)); + return 0; drop: kfree_skb(skb); return -EINVAL; } -EXPORT_SYMBOL_GPL(lowpan_process_data); +EXPORT_SYMBOL_GPL(lowpan_header_decompress); static u8 lowpan_compress_addr_64(u8 **hc_ptr, u8 shift, const struct in6_addr *ipaddr, diff --git a/net/bluetooth/6lowpan.c b/net/bluetooth/6lowpan.c index c2e0d14..eef298d 100644 --- a/net/bluetooth/6lowpan.c +++ b/net/bluetooth/6lowpan.c @@ -53,7 +53,7 @@ struct skb_cb { * The list contains struct lowpan_dev elements. */ static LIST_HEAD(bt_6lowpan_devices); -static DEFINE_RWLOCK(devices_lock); +static DEFINE_SPINLOCK(devices_lock); /* If psm is set to 0 (default value), then 6lowpan is disabled. * Other values are used to indicate a Protocol Service Multiplexer @@ -67,6 +67,7 @@ static struct l2cap_chan *listen_chan; struct lowpan_peer { struct list_head list; + struct rcu_head rcu; struct l2cap_chan *chan; /* peer addresses in various formats */ @@ -86,6 +87,13 @@ struct lowpan_dev { struct delayed_work notify_peers; }; +static inline void peer_free(struct rcu_head *head) +{ + struct lowpan_peer *e = container_of(head, struct lowpan_peer, rcu); + + kfree(e); +} + static inline struct lowpan_dev *lowpan_dev(const struct net_device *netdev) { return netdev_priv(netdev); @@ -93,13 +101,14 @@ static inline struct lowpan_dev *lowpan_dev(const struct net_device *netdev) static inline void peer_add(struct lowpan_dev *dev, struct lowpan_peer *peer) { - list_add(&peer->list, &dev->peers); + list_add_rcu(&peer->list, &dev->peers); atomic_inc(&dev->peer_count); } static inline bool peer_del(struct lowpan_dev *dev, struct lowpan_peer *peer) { - list_del(&peer->list); + list_del_rcu(&peer->list); + call_rcu(&peer->rcu, peer_free); module_put(THIS_MODULE); @@ -114,31 +123,37 @@ static inline bool peer_del(struct lowpan_dev *dev, struct lowpan_peer *peer) static inline struct lowpan_peer *peer_lookup_ba(struct lowpan_dev *dev, bdaddr_t *ba, __u8 type) { - struct lowpan_peer *peer, *tmp; + struct lowpan_peer *peer; BT_DBG("peers %d addr %pMR type %d", atomic_read(&dev->peer_count), ba, type); - list_for_each_entry_safe(peer, tmp, &dev->peers, list) { + rcu_read_lock(); + + list_for_each_entry_rcu(peer, &dev->peers, list) { BT_DBG("dst addr %pMR dst type %d", &peer->chan->dst, peer->chan->dst_type); if (bacmp(&peer->chan->dst, ba)) continue; - if (type == peer->chan->dst_type) + if (type == peer->chan->dst_type) { + rcu_read_unlock(); return peer; + } } + rcu_read_unlock(); + return NULL; } -static inline struct lowpan_peer *peer_lookup_chan(struct lowpan_dev *dev, - struct l2cap_chan *chan) +static inline struct lowpan_peer *__peer_lookup_chan(struct lowpan_dev *dev, + struct l2cap_chan *chan) { - struct lowpan_peer *peer, *tmp; + struct lowpan_peer *peer; - list_for_each_entry_safe(peer, tmp, &dev->peers, list) { + list_for_each_entry_rcu(peer, &dev->peers, list) { if (peer->chan == chan) return peer; } @@ -146,12 +161,12 @@ static inline struct lowpan_peer *peer_lookup_chan(struct lowpan_dev *dev, return NULL; } -static inline struct lowpan_peer *peer_lookup_conn(struct lowpan_dev *dev, - struct l2cap_conn *conn) +static inline struct lowpan_peer *__peer_lookup_conn(struct lowpan_dev *dev, + struct l2cap_conn *conn) { - struct lowpan_peer *peer, *tmp; + struct lowpan_peer *peer; - list_for_each_entry_safe(peer, tmp, &dev->peers, list) { + list_for_each_entry_rcu(peer, &dev->peers, list) { if (peer->chan->conn == conn) return peer; } @@ -163,7 +178,7 @@ static inline struct lowpan_peer *peer_lookup_dst(struct lowpan_dev *dev, struct in6_addr *daddr, struct sk_buff *skb) { - struct lowpan_peer *peer, *tmp; + struct lowpan_peer *peer; struct in6_addr *nexthop; struct rt6_info *rt = (struct rt6_info *)skb_dst(skb); int count = atomic_read(&dev->peer_count); @@ -174,9 +189,13 @@ static inline struct lowpan_peer *peer_lookup_dst(struct lowpan_dev *dev, * send the packet. If only one peer exists, then we can send the * packet right away. */ - if (count == 1) - return list_first_entry(&dev->peers, struct lowpan_peer, - list); + if (count == 1) { + rcu_read_lock(); + peer = list_first_or_null_rcu(&dev->peers, struct lowpan_peer, + list); + rcu_read_unlock(); + return peer; + } if (!rt) { nexthop = &lowpan_cb(skb)->gw; @@ -195,53 +214,57 @@ static inline struct lowpan_peer *peer_lookup_dst(struct lowpan_dev *dev, BT_DBG("gw %pI6c", nexthop); - list_for_each_entry_safe(peer, tmp, &dev->peers, list) { + rcu_read_lock(); + + list_for_each_entry_rcu(peer, &dev->peers, list) { BT_DBG("dst addr %pMR dst type %d ip %pI6c", &peer->chan->dst, peer->chan->dst_type, &peer->peer_addr); - if (!ipv6_addr_cmp(&peer->peer_addr, nexthop)) + if (!ipv6_addr_cmp(&peer->peer_addr, nexthop)) { + rcu_read_unlock(); return peer; + } } + rcu_read_unlock(); + return NULL; } static struct lowpan_peer *lookup_peer(struct l2cap_conn *conn) { - struct lowpan_dev *entry, *tmp; + struct lowpan_dev *entry; struct lowpan_peer *peer = NULL; - unsigned long flags; - read_lock_irqsave(&devices_lock, flags); + rcu_read_lock(); - list_for_each_entry_safe(entry, tmp, &bt_6lowpan_devices, list) { - peer = peer_lookup_conn(entry, conn); + list_for_each_entry_rcu(entry, &bt_6lowpan_devices, list) { + peer = __peer_lookup_conn(entry, conn); if (peer) break; } - read_unlock_irqrestore(&devices_lock, flags); + rcu_read_unlock(); return peer; } static struct lowpan_dev *lookup_dev(struct l2cap_conn *conn) { - struct lowpan_dev *entry, *tmp; + struct lowpan_dev *entry; struct lowpan_dev *dev = NULL; - unsigned long flags; - read_lock_irqsave(&devices_lock, flags); + rcu_read_lock(); - list_for_each_entry_safe(entry, tmp, &bt_6lowpan_devices, list) { + list_for_each_entry_rcu(entry, &bt_6lowpan_devices, list) { if (conn->hcon->hdev == entry->hdev) { dev = entry; break; } } - read_unlock_irqrestore(&devices_lock, flags); + rcu_read_unlock(); return dev; } @@ -249,35 +272,27 @@ static struct lowpan_dev *lookup_dev(struct l2cap_conn *conn) static int give_skb_to_upper(struct sk_buff *skb, struct net_device *dev) { struct sk_buff *skb_cp; - int ret; skb_cp = skb_copy(skb, GFP_ATOMIC); if (!skb_cp) - return -ENOMEM; - - ret = netif_rx(skb_cp); - if (ret < 0) { - BT_DBG("receive skb %d", ret); return NET_RX_DROP; - } - return ret; + return netif_rx(skb_cp); } -static int process_data(struct sk_buff *skb, struct net_device *netdev, - struct l2cap_chan *chan) +static int iphc_decompress(struct sk_buff *skb, struct net_device *netdev, + struct l2cap_chan *chan) { const u8 *saddr, *daddr; u8 iphc0, iphc1; struct lowpan_dev *dev; struct lowpan_peer *peer; - unsigned long flags; dev = lowpan_dev(netdev); - read_lock_irqsave(&devices_lock, flags); - peer = peer_lookup_chan(dev, chan); - read_unlock_irqrestore(&devices_lock, flags); + rcu_read_lock(); + peer = __peer_lookup_chan(dev, chan); + rcu_read_unlock(); if (!peer) goto drop; @@ -294,10 +309,11 @@ static int process_data(struct sk_buff *skb, struct net_device *netdev, if (lowpan_fetch_skb_u8(skb, &iphc1)) goto drop; - return lowpan_process_data(skb, netdev, - saddr, IEEE802154_ADDR_LONG, EUI64_ADDR_LEN, - daddr, IEEE802154_ADDR_LONG, EUI64_ADDR_LEN, - iphc0, iphc1, give_skb_to_upper); + return lowpan_header_decompress(skb, netdev, + saddr, IEEE802154_ADDR_LONG, + EUI64_ADDR_LEN, daddr, + IEEE802154_ADDR_LONG, EUI64_ADDR_LEN, + iphc0, iphc1); drop: kfree_skb(skb); @@ -316,6 +332,10 @@ static int recv_pkt(struct sk_buff *skb, struct net_device *dev, if (dev->type != ARPHRD_6LOWPAN) goto drop; + skb = skb_share_check(skb, GFP_ATOMIC); + if (!skb) + goto drop; + /* check that it's our buffer */ if (skb->data[0] == LOWPAN_DISPATCH_IPV6) { /* Copy the packet so that the IPv6 header is @@ -340,8 +360,8 @@ static int recv_pkt(struct sk_buff *skb, struct net_device *dev, dev->stats.rx_bytes += skb->len; dev->stats.rx_packets++; - kfree_skb(local_skb); - kfree_skb(skb); + consume_skb(local_skb); + consume_skb(skb); } else { switch (skb->data[0] & 0xe0) { case LOWPAN_DISPATCH_IPHC: /* ipv6 datagram */ @@ -349,14 +369,25 @@ static int recv_pkt(struct sk_buff *skb, struct net_device *dev, if (!local_skb) goto drop; - ret = process_data(local_skb, dev, chan); - if (ret != NET_RX_SUCCESS) + ret = iphc_decompress(local_skb, dev, chan); + if (ret < 0) goto drop; + local_skb->protocol = htons(ETH_P_IPV6); + local_skb->pkt_type = PACKET_HOST; + local_skb->dev = dev; + + if (give_skb_to_upper(local_skb, dev) + != NET_RX_SUCCESS) { + kfree_skb(local_skb); + goto drop; + } + dev->stats.rx_bytes += skb->len; dev->stats.rx_packets++; - kfree_skb(skb); + consume_skb(local_skb); + consume_skb(skb); break; default: break; @@ -443,7 +474,6 @@ static int setup_header(struct sk_buff *skb, struct net_device *netdev, if (ipv6_addr_is_multicast(&ipv6_daddr)) { lowpan_cb(skb)->chan = NULL; } else { - unsigned long flags; u8 addr_type; /* Get destination BT device from skb. @@ -454,19 +484,14 @@ static int setup_header(struct sk_buff *skb, struct net_device *netdev, BT_DBG("dest addr %pMR type %d IP %pI6c", &addr, addr_type, &ipv6_daddr); - read_lock_irqsave(&devices_lock, flags); peer = peer_lookup_ba(dev, &addr, addr_type); - read_unlock_irqrestore(&devices_lock, flags); - if (!peer) { /* The packet might be sent to 6lowpan interface * because of routing (either via default route * or user set route) so get peer according to * the destination address. */ - read_lock_irqsave(&devices_lock, flags); peer = peer_lookup_dst(dev, &ipv6_daddr, skb); - read_unlock_irqrestore(&devices_lock, flags); if (!peer) { BT_DBG("no such peer %pMR found", &addr); return -ENOENT; @@ -549,14 +574,13 @@ static int send_pkt(struct l2cap_chan *chan, struct sk_buff *skb, static int send_mcast_pkt(struct sk_buff *skb, struct net_device *netdev) { struct sk_buff *local_skb; - struct lowpan_dev *entry, *tmp; - unsigned long flags; + struct lowpan_dev *entry; int err = 0; - read_lock_irqsave(&devices_lock, flags); + rcu_read_lock(); - list_for_each_entry_safe(entry, tmp, &bt_6lowpan_devices, list) { - struct lowpan_peer *pentry, *ptmp; + list_for_each_entry_rcu(entry, &bt_6lowpan_devices, list) { + struct lowpan_peer *pentry; struct lowpan_dev *dev; if (entry->netdev != netdev) @@ -564,7 +588,7 @@ static int send_mcast_pkt(struct sk_buff *skb, struct net_device *netdev) dev = lowpan_dev(entry->netdev); - list_for_each_entry_safe(pentry, ptmp, &dev->peers, list) { + list_for_each_entry_rcu(pentry, &dev->peers, list) { int ret; local_skb = skb_clone(skb, GFP_ATOMIC); @@ -581,7 +605,7 @@ static int send_mcast_pkt(struct sk_buff *skb, struct net_device *netdev) } } - read_unlock_irqrestore(&devices_lock, flags); + rcu_read_unlock(); return err; } @@ -638,7 +662,26 @@ static netdev_tx_t bt_xmit(struct sk_buff *skb, struct net_device *netdev) return err < 0 ? NET_XMIT_DROP : err; } +static struct lock_class_key bt_tx_busylock; +static struct lock_class_key bt_netdev_xmit_lock_key; + +static void bt_set_lockdep_class_one(struct net_device *dev, + struct netdev_queue *txq, + void *_unused) +{ + lockdep_set_class(&txq->_xmit_lock, &bt_netdev_xmit_lock_key); +} + +static int bt_dev_init(struct net_device *dev) +{ + netdev_for_each_tx_queue(dev, bt_set_lockdep_class_one, NULL); + dev->qdisc_tx_busylock = &bt_tx_busylock; + + return 0; +} + static const struct net_device_ops netdev_ops = { + .ndo_init = bt_dev_init, .ndo_start_xmit = bt_xmit, }; @@ -783,7 +826,6 @@ static struct l2cap_chan *add_peer_chan(struct l2cap_chan *chan, struct lowpan_dev *dev) { struct lowpan_peer *peer; - unsigned long flags; peer = kzalloc(sizeof(*peer), GFP_ATOMIC); if (!peer) @@ -806,10 +848,10 @@ static struct l2cap_chan *add_peer_chan(struct l2cap_chan *chan, */ set_ip_addr_bits(chan->dst_type, (u8 *)&peer->peer_addr.s6_addr + 8); - write_lock_irqsave(&devices_lock, flags); + spin_lock(&devices_lock); INIT_LIST_HEAD(&peer->list); peer_add(dev, peer); - write_unlock_irqrestore(&devices_lock, flags); + spin_unlock(&devices_lock); /* Notifying peers about us needs to be done without locks held */ INIT_DELAYED_WORK(&dev->notify_peers, do_notify_peers); @@ -822,7 +864,6 @@ static int setup_netdev(struct l2cap_chan *chan, struct lowpan_dev **dev) { struct net_device *netdev; int err = 0; - unsigned long flags; netdev = alloc_netdev(sizeof(struct lowpan_dev), IFACE_NAME_TEMPLATE, NET_NAME_UNKNOWN, netdev_setup); @@ -852,10 +893,10 @@ static int setup_netdev(struct l2cap_chan *chan, struct lowpan_dev **dev) (*dev)->hdev = chan->conn->hcon->hdev; INIT_LIST_HEAD(&(*dev)->peers); - write_lock_irqsave(&devices_lock, flags); + spin_lock(&devices_lock); INIT_LIST_HEAD(&(*dev)->list); - list_add(&(*dev)->list, &bt_6lowpan_devices); - write_unlock_irqrestore(&devices_lock, flags); + list_add_rcu(&(*dev)->list, &bt_6lowpan_devices); + spin_unlock(&devices_lock); return 0; @@ -909,11 +950,10 @@ static void delete_netdev(struct work_struct *work) static void chan_close_cb(struct l2cap_chan *chan) { - struct lowpan_dev *entry, *tmp; + struct lowpan_dev *entry; struct lowpan_dev *dev = NULL; struct lowpan_peer *peer; int err = -ENOENT; - unsigned long flags; bool last = false, removed = true; BT_DBG("chan %p conn %p", chan, chan->conn); @@ -928,11 +968,11 @@ static void chan_close_cb(struct l2cap_chan *chan) removed = false; } - write_lock_irqsave(&devices_lock, flags); + spin_lock(&devices_lock); - list_for_each_entry_safe(entry, tmp, &bt_6lowpan_devices, list) { + list_for_each_entry_rcu(entry, &bt_6lowpan_devices, list) { dev = lowpan_dev(entry->netdev); - peer = peer_lookup_chan(dev, chan); + peer = __peer_lookup_chan(dev, chan); if (peer) { last = peer_del(dev, peer); err = 0; @@ -943,13 +983,12 @@ static void chan_close_cb(struct l2cap_chan *chan) atomic_read(&chan->kref.refcount)); l2cap_chan_put(chan); - kfree(peer); break; } } if (!err && last && dev && !atomic_read(&dev->peer_count)) { - write_unlock_irqrestore(&devices_lock, flags); + spin_unlock(&devices_lock); cancel_delayed_work_sync(&dev->notify_peers); @@ -960,7 +999,7 @@ static void chan_close_cb(struct l2cap_chan *chan) schedule_work(&entry->delete_netdev); } } else { - write_unlock_irqrestore(&devices_lock, flags); + spin_unlock(&devices_lock); } return; @@ -1152,10 +1191,9 @@ static int get_l2cap_conn(char *buf, bdaddr_t *addr, u8 *addr_type, static void disconnect_all_peers(void) { - struct lowpan_dev *entry, *tmp_dev; + struct lowpan_dev *entry; struct lowpan_peer *peer, *tmp_peer, *new_peer; struct list_head peers; - unsigned long flags; INIT_LIST_HEAD(&peers); @@ -1164,10 +1202,10 @@ static void disconnect_all_peers(void) * with the same list at the same time. */ - read_lock_irqsave(&devices_lock, flags); + rcu_read_lock(); - list_for_each_entry_safe(entry, tmp_dev, &bt_6lowpan_devices, list) { - list_for_each_entry_safe(peer, tmp_peer, &entry->peers, list) { + list_for_each_entry_rcu(entry, &bt_6lowpan_devices, list) { + list_for_each_entry_rcu(peer, &entry->peers, list) { new_peer = kmalloc(sizeof(*new_peer), GFP_ATOMIC); if (!new_peer) break; @@ -1179,26 +1217,36 @@ static void disconnect_all_peers(void) } } - read_unlock_irqrestore(&devices_lock, flags); + rcu_read_unlock(); + spin_lock(&devices_lock); list_for_each_entry_safe(peer, tmp_peer, &peers, list) { l2cap_chan_close(peer->chan, ENOENT); - kfree(peer); + + list_del_rcu(&peer->list); + call_rcu(&peer->rcu, peer_free); + + module_put(THIS_MODULE); } + spin_unlock(&devices_lock); } -static int lowpan_psm_set(void *data, u64 val) -{ +struct set_psm { + struct work_struct work; u16 psm; +}; + +static void do_psm_set(struct work_struct *work) +{ + struct set_psm *set_psm = container_of(work, struct set_psm, work); - psm = val; - if (psm == 0 || psm_6lowpan != psm) + if (set_psm->psm == 0 || psm_6lowpan != set_psm->psm) /* Disconnect existing connections if 6lowpan is * disabled (psm = 0), or if psm changes. */ disconnect_all_peers(); - psm_6lowpan = psm; + psm_6lowpan = set_psm->psm; if (listen_chan) { l2cap_chan_close(listen_chan, 0); @@ -1207,6 +1255,22 @@ static int lowpan_psm_set(void *data, u64 val) listen_chan = bt_6lowpan_listen(); + kfree(set_psm); +} + +static int lowpan_psm_set(void *data, u64 val) +{ + struct set_psm *set_psm; + + set_psm = kzalloc(sizeof(*set_psm), GFP_KERNEL); + if (!set_psm) + return -ENOMEM; + + set_psm->psm = val; + INIT_WORK(&set_psm->work, do_psm_set); + + schedule_work(&set_psm->work); + return 0; } @@ -1288,19 +1352,18 @@ static ssize_t lowpan_control_write(struct file *fp, static int lowpan_control_show(struct seq_file *f, void *ptr) { - struct lowpan_dev *entry, *tmp_dev; - struct lowpan_peer *peer, *tmp_peer; - unsigned long flags; + struct lowpan_dev *entry; + struct lowpan_peer *peer; - read_lock_irqsave(&devices_lock, flags); + spin_lock(&devices_lock); - list_for_each_entry_safe(entry, tmp_dev, &bt_6lowpan_devices, list) { - list_for_each_entry_safe(peer, tmp_peer, &entry->peers, list) + list_for_each_entry(entry, &bt_6lowpan_devices, list) { + list_for_each_entry(peer, &entry->peers, list) seq_printf(f, "%pMR (type %u)\n", &peer->chan->dst, peer->chan->dst_type); } - read_unlock_irqrestore(&devices_lock, flags); + spin_unlock(&devices_lock); return 0; } @@ -1322,7 +1385,6 @@ static void disconnect_devices(void) { struct lowpan_dev *entry, *tmp, *new_dev; struct list_head devices; - unsigned long flags; INIT_LIST_HEAD(&devices); @@ -1331,9 +1393,9 @@ static void disconnect_devices(void) * devices list. */ - read_lock_irqsave(&devices_lock, flags); + rcu_read_lock(); - list_for_each_entry_safe(entry, tmp, &bt_6lowpan_devices, list) { + list_for_each_entry_rcu(entry, &bt_6lowpan_devices, list) { new_dev = kmalloc(sizeof(*new_dev), GFP_ATOMIC); if (!new_dev) break; @@ -1341,10 +1403,10 @@ static void disconnect_devices(void) new_dev->netdev = entry->netdev; INIT_LIST_HEAD(&new_dev->list); - list_add(&new_dev->list, &devices); + list_add_rcu(&new_dev->list, &devices); } - read_unlock_irqrestore(&devices_lock, flags); + rcu_read_unlock(); list_for_each_entry_safe(entry, tmp, &devices, list) { ifdown(entry->netdev); @@ -1359,17 +1421,15 @@ static int device_event(struct notifier_block *unused, unsigned long event, void *ptr) { struct net_device *netdev = netdev_notifier_info_to_dev(ptr); - struct lowpan_dev *entry, *tmp; - unsigned long flags; + struct lowpan_dev *entry; if (netdev->type != ARPHRD_6LOWPAN) return NOTIFY_DONE; switch (event) { case NETDEV_UNREGISTER: - write_lock_irqsave(&devices_lock, flags); - list_for_each_entry_safe(entry, tmp, &bt_6lowpan_devices, - list) { + spin_lock(&devices_lock); + list_for_each_entry(entry, &bt_6lowpan_devices, list) { if (entry->netdev == netdev) { BT_DBG("Unregistered netdev %s %p", netdev->name, netdev); @@ -1378,7 +1438,7 @@ static int device_event(struct notifier_block *unused, break; } } - write_unlock_irqrestore(&devices_lock, flags); + spin_unlock(&devices_lock); break; } diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c index b9517bd..96887ae 100644 --- a/net/bluetooth/hci_conn.c +++ b/net/bluetooth/hci_conn.c @@ -141,10 +141,11 @@ int hci_disconnect(struct hci_conn *conn, __u8 reason) */ if (conn->type == ACL_LINK && conn->role == HCI_ROLE_MASTER) { struct hci_dev *hdev = conn->hdev; - struct hci_cp_read_clock_offset cp; + struct hci_cp_read_clock_offset clkoff_cp; - cp.handle = cpu_to_le16(conn->handle); - hci_send_cmd(hdev, HCI_OP_READ_CLOCK_OFFSET, sizeof(cp), &cp); + clkoff_cp.handle = cpu_to_le16(conn->handle); + hci_send_cmd(hdev, HCI_OP_READ_CLOCK_OFFSET, sizeof(clkoff_cp), + &clkoff_cp); } conn->state = BT_DISCONN; @@ -415,7 +416,7 @@ static void le_conn_timeout(struct work_struct *work) * happen with broken hardware or if low duty cycle was used * (which doesn't have a timeout of its own). */ - if (test_bit(HCI_ADVERTISING, &hdev->dev_flags)) { + if (conn->role == HCI_ROLE_SLAVE) { u8 enable = 0x00; hci_send_cmd(hdev, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable); @@ -517,7 +518,7 @@ int hci_conn_del(struct hci_conn *conn) /* Unacked frames */ hdev->acl_cnt += conn->sent; } else if (conn->type == LE_LINK) { - cancel_delayed_work_sync(&conn->le_conn_timeout); + cancel_delayed_work(&conn->le_conn_timeout); if (hdev->le_pkts) hdev->le_cnt += conn->sent; @@ -544,6 +545,9 @@ int hci_conn_del(struct hci_conn *conn) hci_conn_del_sysfs(conn); + if (test_bit(HCI_CONN_PARAM_REMOVAL_PEND, &conn->flags)) + hci_conn_params_del(conn->hdev, &conn->dst, conn->dst_type); + hci_dev_put(hdev); hci_conn_put(conn); diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index cb05d7f..91995f8 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -4477,7 +4477,7 @@ int hci_req_run(struct hci_request *req, hci_req_complete_t complete) BT_DBG("length %u", skb_queue_len(&req->cmd_q)); - /* If an error occured during request building, remove all HCI + /* If an error occurred during request building, remove all HCI * commands queued on the HCI request queue. */ if (req->err) { @@ -4546,7 +4546,7 @@ int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, return -ENOMEM; } - /* Stand-alone HCI commands must be flaged as + /* Stand-alone HCI commands must be flagged as * single-command requests. */ bt_cb(skb)->req.start = true; @@ -4566,7 +4566,7 @@ void hci_req_add_ev(struct hci_request *req, u16 opcode, u32 plen, BT_DBG("%s opcode 0x%4.4x plen %d", hdev->name, opcode, plen); - /* If an error occured during request building, there is no point in + /* If an error occurred during request building, there is no point in * queueing the HCI command. We can simply return. */ if (req->err) @@ -4661,8 +4661,12 @@ static void hci_queue_acl(struct hci_chan *chan, struct sk_buff_head *queue, skb_shinfo(skb)->frag_list = NULL; - /* Queue all fragments atomically */ - spin_lock(&queue->lock); + /* Queue all fragments atomically. We need to use spin_lock_bh + * here because of 6LoWPAN links, as there this function is + * called from softirq and using normal spin lock could cause + * deadlocks. + */ + spin_lock_bh(&queue->lock); __skb_queue_tail(queue, skb); @@ -4679,7 +4683,7 @@ static void hci_queue_acl(struct hci_chan *chan, struct sk_buff_head *queue, __skb_queue_tail(queue, skb); } while (list); - spin_unlock(&queue->lock); + spin_unlock_bh(&queue->lock); } } diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index 8b0a2a6..aa15214 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -205,6 +205,8 @@ static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb) hdev->le_scan_type = LE_SCAN_PASSIVE; hdev->ssp_debug_mode = 0; + + hci_bdaddr_list_clear(&hdev->le_white_list); } static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb) @@ -1045,7 +1047,7 @@ static void hci_cc_le_set_adv_enable(struct hci_dev *hdev, struct sk_buff *skb) hci_dev_lock(hdev); - /* If we're doing connection initation as peripheral. Set a + /* If we're doing connection initiation as peripheral. Set a * timeout in case something goes wrong. */ if (*sent) { @@ -1577,8 +1579,7 @@ static void hci_check_pending_name(struct hci_dev *hdev, struct hci_conn *conn, struct inquiry_entry *e; if (conn && !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) - mgmt_device_connected(hdev, bdaddr, ACL_LINK, 0x00, 0, name, - name_len, conn->dev_class); + mgmt_device_connected(hdev, conn, 0, name, name_len); if (discov->state == DISCOVERY_STOPPED) return; @@ -2536,9 +2537,7 @@ static void hci_remote_features_evt(struct hci_dev *hdev, cp.pscan_rep_mode = 0x02; hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp); } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) - mgmt_device_connected(hdev, &conn->dst, conn->type, - conn->dst_type, 0, NULL, 0, - conn->dev_class); + mgmt_device_connected(hdev, conn, 0, NULL, 0); if (!hci_outgoing_auth_needed(hdev, conn)) { conn->state = BT_CONNECTED; @@ -3434,9 +3433,7 @@ static void hci_remote_ext_features_evt(struct hci_dev *hdev, cp.pscan_rep_mode = 0x02; hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp); } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) - mgmt_device_connected(hdev, &conn->dst, conn->type, - conn->dst_type, 0, NULL, 0, - conn->dev_class); + mgmt_device_connected(hdev, conn, 0, NULL, 0); if (!hci_outgoing_auth_needed(hdev, conn)) { conn->state = BT_CONNECTED; @@ -4214,8 +4211,7 @@ static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) } if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) - mgmt_device_connected(hdev, &conn->dst, conn->type, - conn->dst_type, 0, NULL, 0, NULL); + mgmt_device_connected(hdev, conn, 0, NULL, 0); conn->sec_level = BT_SECURITY_LOW; conn->handle = __le16_to_cpu(ev->handle); @@ -4269,25 +4265,26 @@ static void hci_le_conn_update_complete_evt(struct hci_dev *hdev, } /* This function requires the caller holds hdev->lock */ -static void check_pending_le_conn(struct hci_dev *hdev, bdaddr_t *addr, - u8 addr_type, u8 adv_type) +static struct hci_conn *check_pending_le_conn(struct hci_dev *hdev, + bdaddr_t *addr, + u8 addr_type, u8 adv_type) { struct hci_conn *conn; struct hci_conn_params *params; /* If the event is not connectable don't proceed further */ if (adv_type != LE_ADV_IND && adv_type != LE_ADV_DIRECT_IND) - return; + return NULL; /* Ignore if the device is blocked */ if (hci_bdaddr_list_lookup(&hdev->blacklist, addr, addr_type)) - return; + return NULL; /* Most controller will fail if we try to create new connections * while we have an existing one in slave role. */ if (hdev->conn_hash.le_num_slave > 0) - return; + return NULL; /* If we're not connectable only connect devices that we have in * our pend_le_conns list. @@ -4295,7 +4292,7 @@ static void check_pending_le_conn(struct hci_dev *hdev, bdaddr_t *addr, params = hci_pend_le_action_lookup(&hdev->pend_le_conns, addr, addr_type); if (!params) - return; + return NULL; switch (params->auto_connect) { case HCI_AUTO_CONN_DIRECT: @@ -4304,7 +4301,7 @@ static void check_pending_le_conn(struct hci_dev *hdev, bdaddr_t *addr, * incoming connections from slave devices. */ if (adv_type != LE_ADV_DIRECT_IND) - return; + return NULL; break; case HCI_AUTO_CONN_ALWAYS: /* Devices advertising with ADV_IND or ADV_DIRECT_IND @@ -4315,7 +4312,7 @@ static void check_pending_le_conn(struct hci_dev *hdev, bdaddr_t *addr, */ break; default: - return; + return NULL; } conn = hci_connect_le(hdev, addr, addr_type, BT_SECURITY_LOW, @@ -4328,7 +4325,7 @@ static void check_pending_le_conn(struct hci_dev *hdev, bdaddr_t *addr, * count consistent once the connection is established. */ params->conn = hci_conn_get(conn); - return; + return conn; } switch (PTR_ERR(conn)) { @@ -4341,7 +4338,10 @@ static void check_pending_le_conn(struct hci_dev *hdev, bdaddr_t *addr, break; default: BT_DBG("Failed to connect: err %ld", PTR_ERR(conn)); + return NULL; } + + return NULL; } static void process_adv_report(struct hci_dev *hdev, u8 type, bdaddr_t *bdaddr, @@ -4349,6 +4349,7 @@ static void process_adv_report(struct hci_dev *hdev, u8 type, bdaddr_t *bdaddr, { struct discovery_state *d = &hdev->discovery; struct smp_irk *irk; + struct hci_conn *conn; bool match; u32 flags; @@ -4360,7 +4361,14 @@ static void process_adv_report(struct hci_dev *hdev, u8 type, bdaddr_t *bdaddr, } /* Check if we have been requested to connect to this device */ - check_pending_le_conn(hdev, bdaddr, bdaddr_type, type); + conn = check_pending_le_conn(hdev, bdaddr, bdaddr_type, type); + if (conn && type == LE_ADV_IND) { + /* Store report for later inclusion by + * mgmt_device_connected + */ + memcpy(conn->le_adv_data, data, len); + conn->le_adv_data_len = len; + } /* Passive scanning shouldn't trigger any device found events, * except for devices marked as CONN_REPORT for which we do send diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c index 115f149..bbc4ac7 100644 --- a/net/bluetooth/hci_sock.c +++ b/net/bluetooth/hci_sock.c @@ -987,7 +987,7 @@ static int hci_sock_sendmsg(struct kiocb *iocb, struct socket *sock, skb_queue_tail(&hdev->raw_q, skb); queue_work(hdev->workqueue, &hdev->tx_work); } else { - /* Stand-alone HCI commands must be flaged as + /* Stand-alone HCI commands must be flagged as * single-command requests. */ bt_cb(skb)->req.start = true; diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c index b6f9777..fc15174 100644 --- a/net/bluetooth/l2cap_core.c +++ b/net/bluetooth/l2cap_core.c @@ -3873,9 +3873,7 @@ static int l2cap_connect_req(struct l2cap_conn *conn, hci_dev_lock(hdev); if (test_bit(HCI_MGMT, &hdev->dev_flags) && !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &hcon->flags)) - mgmt_device_connected(hdev, &hcon->dst, hcon->type, - hcon->dst_type, 0, NULL, 0, - hcon->dev_class); + mgmt_device_connected(hdev, hcon, 0, NULL, 0); hci_dev_unlock(hdev); l2cap_connect(conn, cmd, data, L2CAP_CONN_RSP, 0); @@ -4084,7 +4082,7 @@ static inline int l2cap_config_req(struct l2cap_conn *conn, chan->num_conf_req++; } - /* Got Conf Rsp PENDING from remote side and asume we sent + /* Got Conf Rsp PENDING from remote side and assume we sent Conf Rsp PENDING in the code above */ if (test_bit(CONF_REM_CONF_PEND, &chan->conf_state) && test_bit(CONF_LOC_CONF_PEND, &chan->conf_state)) { @@ -5494,6 +5492,7 @@ static inline int l2cap_le_credits(struct l2cap_conn *conn, if (credits > max_credits) { BT_ERR("LE credits overflow"); l2cap_send_disconn_req(chan, ECONNRESET); + l2cap_chan_unlock(chan); /* Return 0 so that we don't trigger an unnecessary * command reject packet. diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index efb71b0..9c4daf7 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -2725,10 +2725,40 @@ static int unpair_device(struct sock *sk, struct hci_dev *hdev, void *data, } if (cp->addr.type == BDADDR_BREDR) { + /* If disconnection is requested, then look up the + * connection. If the remote device is connected, it + * will be later used to terminate the link. + * + * Setting it to NULL explicitly will cause no + * termination of the link. + */ + if (cp->disconnect) + conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, + &cp->addr.bdaddr); + else + conn = NULL; + err = hci_remove_link_key(hdev, &cp->addr.bdaddr); } else { u8 addr_type; + conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, + &cp->addr.bdaddr); + if (conn) { + /* Defer clearing up the connection parameters + * until closing to give a chance of keeping + * them if a repairing happens. + */ + set_bit(HCI_CONN_PARAM_REMOVAL_PEND, &conn->flags); + + /* If disconnection is not requested, then + * clear the connection variable so that the + * link is not terminated. + */ + if (!cp->disconnect) + conn = NULL; + } + if (cp->addr.type == BDADDR_LE_PUBLIC) addr_type = ADDR_LE_DEV_PUBLIC; else @@ -2736,8 +2766,6 @@ static int unpair_device(struct sock *sk, struct hci_dev *hdev, void *data, hci_remove_irk(hdev, &cp->addr.bdaddr, addr_type); - hci_conn_params_del(hdev, &cp->addr.bdaddr, addr_type); - err = hci_remove_ltk(hdev, &cp->addr.bdaddr, addr_type); } @@ -2747,17 +2775,9 @@ static int unpair_device(struct sock *sk, struct hci_dev *hdev, void *data, goto unlock; } - if (cp->disconnect) { - if (cp->addr.type == BDADDR_BREDR) - conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, - &cp->addr.bdaddr); - else - conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, - &cp->addr.bdaddr); - } else { - conn = NULL; - } - + /* If the connection variable is set, then termination of the + * link is requested. + */ if (!conn) { err = cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, 0, &rp, sizeof(rp)); @@ -3062,6 +3082,11 @@ static void pairing_complete(struct pending_cmd *cmd, u8 status) hci_conn_put(conn); mgmt_pending_remove(cmd); + + /* The device is paired so there is no need to remove + * its connection parameters anymore. + */ + clear_bit(HCI_CONN_PARAM_REMOVAL_PEND, &conn->flags); } void mgmt_smp_complete(struct hci_conn *conn, bool complete) @@ -6171,26 +6196,36 @@ static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data, return eir_len; } -void mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, - u8 addr_type, u32 flags, u8 *name, u8 name_len, - u8 *dev_class) +void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn, + u32 flags, u8 *name, u8 name_len) { char buf[512]; struct mgmt_ev_device_connected *ev = (void *) buf; u16 eir_len = 0; - bacpy(&ev->addr.bdaddr, bdaddr); - ev->addr.type = link_to_bdaddr(link_type, addr_type); + bacpy(&ev->addr.bdaddr, &conn->dst); + ev->addr.type = link_to_bdaddr(conn->type, conn->dst_type); ev->flags = __cpu_to_le32(flags); - if (name_len > 0) - eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE, - name, name_len); + /* We must ensure that the EIR Data fields are ordered and + * unique. Keep it simple for now and avoid the problem by not + * adding any BR/EDR data to the LE adv. + */ + if (conn->le_adv_data_len > 0) { + memcpy(&ev->eir[eir_len], + conn->le_adv_data, conn->le_adv_data_len); + eir_len = conn->le_adv_data_len; + } else { + if (name_len > 0) + eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE, + name, name_len); - if (dev_class && memcmp(dev_class, "\0\0\0", 3) != 0) - eir_len = eir_append_data(ev->eir, eir_len, - EIR_CLASS_OF_DEV, dev_class, 3); + if (memcmp(conn->dev_class, "\0\0\0", 3) != 0) + eir_len = eir_append_data(ev->eir, eir_len, + EIR_CLASS_OF_DEV, + conn->dev_class, 3); + } ev->eir_len = cpu_to_le16(eir_len); diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c index af73bc3..bce9c3d 100644 --- a/net/bluetooth/rfcomm/core.c +++ b/net/bluetooth/rfcomm/core.c @@ -78,8 +78,8 @@ static struct rfcomm_session *rfcomm_session_del(struct rfcomm_session *s); #define __get_type(b) ((b & 0xef)) #define __test_ea(b) ((b & 0x01)) -#define __test_cr(b) ((b & 0x02)) -#define __test_pf(b) ((b & 0x10)) +#define __test_cr(b) (!!(b & 0x02)) +#define __test_pf(b) (!!(b & 0x10)) #define __addr(cr, dlci) (((dlci & 0x3f) << 2) | (cr << 1) | 0x01) #define __ctrl(type, pf) (((type & 0xef) | (pf << 4))) @@ -904,7 +904,7 @@ static int rfcomm_send_nsc(struct rfcomm_session *s, int cr, u8 type) hdr->len = __len8(sizeof(*mcc) + 1); mcc = (void *) ptr; ptr += sizeof(*mcc); - mcc->type = __mcc_type(cr, RFCOMM_NSC); + mcc->type = __mcc_type(0, RFCOMM_NSC); mcc->len = __len8(1); /* Type that we didn't like */ diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c index f09b6b6..3ebf65b 100644 --- a/net/bluetooth/smp.c +++ b/net/bluetooth/smp.c @@ -191,16 +191,13 @@ int smp_generate_rpa(struct hci_dev *hdev, u8 irk[16], bdaddr_t *rpa) return 0; } -static int smp_c1(struct smp_chan *smp, u8 k[16], u8 r[16], u8 preq[7], - u8 pres[7], u8 _iat, bdaddr_t *ia, u8 _rat, bdaddr_t *ra, - u8 res[16]) +static int smp_c1(struct crypto_blkcipher *tfm_aes, u8 k[16], u8 r[16], + u8 preq[7], u8 pres[7], u8 _iat, bdaddr_t *ia, u8 _rat, + bdaddr_t *ra, u8 res[16]) { - struct hci_dev *hdev = smp->conn->hcon->hdev; u8 p1[16], p2[16]; int err; - BT_DBG("%s", hdev->name); - memset(p1, 0, 16); /* p1 = pres || preq || _rat || _iat */ @@ -218,7 +215,7 @@ static int smp_c1(struct smp_chan *smp, u8 k[16], u8 r[16], u8 preq[7], u128_xor((u128 *) res, (u128 *) r, (u128 *) p1); /* res = e(k, res) */ - err = smp_e(smp->tfm_aes, k, res); + err = smp_e(tfm_aes, k, res); if (err) { BT_ERR("Encrypt data error"); return err; @@ -228,26 +225,23 @@ static int smp_c1(struct smp_chan *smp, u8 k[16], u8 r[16], u8 preq[7], u128_xor((u128 *) res, (u128 *) res, (u128 *) p2); /* res = e(k, res) */ - err = smp_e(smp->tfm_aes, k, res); + err = smp_e(tfm_aes, k, res); if (err) BT_ERR("Encrypt data error"); return err; } -static int smp_s1(struct smp_chan *smp, u8 k[16], u8 r1[16], u8 r2[16], - u8 _r[16]) +static int smp_s1(struct crypto_blkcipher *tfm_aes, u8 k[16], u8 r1[16], + u8 r2[16], u8 _r[16]) { - struct hci_dev *hdev = smp->conn->hcon->hdev; int err; - BT_DBG("%s", hdev->name); - /* Just least significant octets from r1 and r2 are considered */ memcpy(_r, r2, 8); memcpy(_r + 8, r1, 8); - err = smp_e(smp->tfm_aes, k, _r); + err = smp_e(tfm_aes, k, _r); if (err) BT_ERR("Encrypt data error"); @@ -547,7 +541,7 @@ static u8 smp_confirm(struct smp_chan *smp) BT_DBG("conn %p", conn); - ret = smp_c1(smp, smp->tk, smp->prnd, smp->preq, smp->prsp, + ret = smp_c1(smp->tfm_aes, smp->tk, smp->prnd, smp->preq, smp->prsp, conn->hcon->init_addr_type, &conn->hcon->init_addr, conn->hcon->resp_addr_type, &conn->hcon->resp_addr, cp.confirm_val); @@ -578,7 +572,7 @@ static u8 smp_random(struct smp_chan *smp) BT_DBG("conn %p %s", conn, conn->hcon->out ? "master" : "slave"); - ret = smp_c1(smp, smp->tk, smp->rrnd, smp->preq, smp->prsp, + ret = smp_c1(smp->tfm_aes, smp->tk, smp->rrnd, smp->preq, smp->prsp, hcon->init_addr_type, &hcon->init_addr, hcon->resp_addr_type, &hcon->resp_addr, confirm); if (ret) @@ -594,7 +588,7 @@ static u8 smp_random(struct smp_chan *smp) __le64 rand = 0; __le16 ediv = 0; - smp_s1(smp, smp->tk, smp->rrnd, smp->prnd, stk); + smp_s1(smp->tfm_aes, smp->tk, smp->rrnd, smp->prnd, stk); memset(stk + smp->enc_key_size, 0, SMP_MAX_ENC_KEY_SIZE - smp->enc_key_size); @@ -613,7 +607,7 @@ static u8 smp_random(struct smp_chan *smp) smp_send_cmd(conn, SMP_CMD_PAIRING_RANDOM, sizeof(smp->prnd), smp->prnd); - smp_s1(smp, smp->tk, smp->prnd, smp->rrnd, stk); + smp_s1(smp->tfm_aes, smp->tk, smp->prnd, smp->rrnd, stk); memset(stk + smp->enc_key_size, 0, SMP_MAX_ENC_KEY_SIZE - smp->enc_key_size); @@ -970,7 +964,7 @@ static u8 smp_cmd_pairing_req(struct l2cap_conn *conn, struct sk_buff *skb) if (sec_level > conn->hcon->pending_sec_level) conn->hcon->pending_sec_level = sec_level; - /* If we need MITM check that it can be acheived */ + /* If we need MITM check that it can be achieved */ if (conn->hcon->pending_sec_level >= BT_SECURITY_HIGH) { u8 method; @@ -1028,7 +1022,7 @@ static u8 smp_cmd_pairing_rsp(struct l2cap_conn *conn, struct sk_buff *skb) auth = rsp->auth_req & AUTH_REQ_MASK; - /* If we need MITM check that it can be acheived */ + /* If we need MITM check that it can be achieved */ if (conn->hcon->pending_sec_level >= BT_SECURITY_HIGH) { u8 method; diff --git a/net/ieee802154/6lowpan_rtnl.c b/net/ieee802154/6lowpan_rtnl.c index 4413629..519a654 100644 --- a/net/ieee802154/6lowpan_rtnl.c +++ b/net/ieee802154/6lowpan_rtnl.c @@ -49,8 +49,8 @@ #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/netdevice.h> +#include <linux/ieee802154.h> #include <net/af_ieee802154.h> -#include <net/ieee802154.h> #include <net/ieee802154_netdev.h> #include <net/6lowpan.h> #include <net/ipv6.h> @@ -58,12 +58,13 @@ #include "reassembly.h" static LIST_HEAD(lowpan_devices); +static int lowpan_open_count; /* private device info */ struct lowpan_dev_info { struct net_device *real_dev; /* real WPAN device ptr */ struct mutex dev_list_mtx; /* mutex for list ops */ - __be16 fragment_tag; + u16 fragment_tag; }; struct lowpan_dev_record { @@ -140,24 +141,33 @@ static int lowpan_give_skb_to_devices(struct sk_buff *skb, struct sk_buff *skb_cp; int stat = NET_RX_SUCCESS; + skb->protocol = htons(ETH_P_IPV6); + skb->pkt_type = PACKET_HOST; + rcu_read_lock(); list_for_each_entry_rcu(entry, &lowpan_devices, list) if (lowpan_dev_info(entry->ldev)->real_dev == skb->dev) { skb_cp = skb_copy(skb, GFP_ATOMIC); if (!skb_cp) { - stat = -ENOMEM; - break; + kfree_skb(skb); + rcu_read_unlock(); + return NET_RX_DROP; } skb_cp->dev = entry->ldev; stat = netif_rx(skb_cp); + if (stat == NET_RX_DROP) + break; } rcu_read_unlock(); + consume_skb(skb); + return stat; } -static int process_data(struct sk_buff *skb, const struct ieee802154_hdr *hdr) +static int +iphc_decompress(struct sk_buff *skb, const struct ieee802154_hdr *hdr) { u8 iphc0, iphc1; struct ieee802154_addr_sa sa, da; @@ -187,10 +197,9 @@ static int process_data(struct sk_buff *skb, const struct ieee802154_hdr *hdr) else dap = &da.hwaddr; - return lowpan_process_data(skb, skb->dev, sap, sa.addr_type, - IEEE802154_ADDR_LEN, dap, da.addr_type, - IEEE802154_ADDR_LEN, iphc0, iphc1, - lowpan_give_skb_to_devices); + return lowpan_header_decompress(skb, skb->dev, sap, sa.addr_type, + IEEE802154_ADDR_LEN, dap, da.addr_type, + IEEE802154_ADDR_LEN, iphc0, iphc1); drop: kfree_skb(skb); @@ -233,7 +242,7 @@ lowpan_alloc_frag(struct sk_buff *skb, int size, &master_hdr->source, size); if (rc < 0) { kfree_skb(frag); - return ERR_PTR(-rc); + return ERR_PTR(rc); } } else { frag = ERR_PTR(-ENOMEM); @@ -275,7 +284,8 @@ lowpan_xmit_fragmented(struct sk_buff *skb, struct net_device *dev, dgram_size = lowpan_uncompress_size(skb, &dgram_offset) - skb->mac_len; - frag_tag = lowpan_dev_info(dev)->fragment_tag++; + frag_tag = htons(lowpan_dev_info(dev)->fragment_tag); + lowpan_dev_info(dev)->fragment_tag++; frag_hdr[0] = LOWPAN_DISPATCH_FRAG1 | ((dgram_size >> 8) & 0x07); frag_hdr[1] = dgram_size & 0xff; @@ -294,7 +304,7 @@ lowpan_xmit_fragmented(struct sk_buff *skb, struct net_device *dev, frag_len + skb_network_header_len(skb)); if (rc) { pr_debug("%s unable to send FRAG1 packet (tag: %d)", - __func__, frag_tag); + __func__, ntohs(frag_tag)); goto err; } @@ -315,7 +325,7 @@ lowpan_xmit_fragmented(struct sk_buff *skb, struct net_device *dev, frag_len); if (rc) { pr_debug("%s unable to send a FRAGN packet. (tag: %d, offset: %d)\n", - __func__, frag_tag, skb_offset); + __func__, ntohs(frag_tag), skb_offset); goto err; } } while (skb_unprocessed > frag_cap); @@ -515,6 +525,9 @@ static int lowpan_rcv(struct sk_buff *skb, struct net_device *dev, if (!netif_running(dev)) goto drop_skb; + if (skb->pkt_type == PACKET_OTHERHOST) + goto drop_skb; + if (dev->type != ARPHRD_IEEE802154) goto drop_skb; @@ -523,55 +536,67 @@ static int lowpan_rcv(struct sk_buff *skb, struct net_device *dev, /* check that it's our buffer */ if (skb->data[0] == LOWPAN_DISPATCH_IPV6) { - skb->protocol = htons(ETH_P_IPV6); - skb->pkt_type = PACKET_HOST; - /* Pull off the 1-byte of 6lowpan header. */ skb_pull(skb, 1); - - ret = lowpan_give_skb_to_devices(skb, NULL); - if (ret == NET_RX_DROP) - goto drop; + return lowpan_give_skb_to_devices(skb, NULL); } else { switch (skb->data[0] & 0xe0) { case LOWPAN_DISPATCH_IPHC: /* ipv6 datagram */ - ret = process_data(skb, &hdr); - if (ret == NET_RX_DROP) + ret = iphc_decompress(skb, &hdr); + if (ret < 0) goto drop; - break; + + return lowpan_give_skb_to_devices(skb, NULL); case LOWPAN_DISPATCH_FRAG1: /* first fragment header */ ret = lowpan_frag_rcv(skb, LOWPAN_DISPATCH_FRAG1); if (ret == 1) { - ret = process_data(skb, &hdr); - if (ret == NET_RX_DROP) + ret = iphc_decompress(skb, &hdr); + if (ret < 0) goto drop; + + return lowpan_give_skb_to_devices(skb, NULL); + } else if (ret == -1) { + return NET_RX_DROP; + } else { + return NET_RX_SUCCESS; } - break; case LOWPAN_DISPATCH_FRAGN: /* next fragments headers */ ret = lowpan_frag_rcv(skb, LOWPAN_DISPATCH_FRAGN); if (ret == 1) { - ret = process_data(skb, &hdr); - if (ret == NET_RX_DROP) + ret = iphc_decompress(skb, &hdr); + if (ret < 0) goto drop; + + return lowpan_give_skb_to_devices(skb, NULL); + } else if (ret == -1) { + return NET_RX_DROP; + } else { + return NET_RX_SUCCESS; } - break; default: break; } } - return NET_RX_SUCCESS; drop_skb: kfree_skb(skb); drop: return NET_RX_DROP; } +static struct packet_type lowpan_packet_type = { + .type = htons(ETH_P_IEEE802154), + .func = lowpan_rcv, +}; + static int lowpan_newlink(struct net *src_net, struct net_device *dev, struct nlattr *tb[], struct nlattr *data[]) { struct net_device *real_dev; struct lowpan_dev_record *entry; + int ret; + + ASSERT_RTNL(); pr_debug("adding new link\n"); @@ -606,9 +631,14 @@ static int lowpan_newlink(struct net *src_net, struct net_device *dev, list_add_tail(&entry->list, &lowpan_devices); mutex_unlock(&lowpan_dev_info(dev)->dev_list_mtx); - register_netdevice(dev); + ret = register_netdevice(dev); + if (ret >= 0) { + if (!lowpan_open_count) + dev_add_pack(&lowpan_packet_type); + lowpan_open_count++; + } - return 0; + return ret; } static void lowpan_dellink(struct net_device *dev, struct list_head *head) @@ -619,6 +649,10 @@ static void lowpan_dellink(struct net_device *dev, struct list_head *head) ASSERT_RTNL(); + lowpan_open_count--; + if (!lowpan_open_count) + dev_remove_pack(&lowpan_packet_type); + mutex_lock(&lowpan_dev_info(dev)->dev_list_mtx); list_for_each_entry_safe(entry, tmp, &lowpan_devices, list) { if (entry->ldev == dev) { @@ -681,11 +715,6 @@ static struct notifier_block lowpan_dev_notifier = { .notifier_call = lowpan_device_event, }; -static struct packet_type lowpan_packet_type = { - .type = htons(ETH_P_IEEE802154), - .func = lowpan_rcv, -}; - static int __init lowpan_init_module(void) { int err = 0; @@ -698,8 +727,6 @@ static int __init lowpan_init_module(void) if (err < 0) goto out_frag; - dev_add_pack(&lowpan_packet_type); - err = register_netdevice_notifier(&lowpan_dev_notifier); if (err < 0) goto out_pack; @@ -707,7 +734,6 @@ static int __init lowpan_init_module(void) return 0; out_pack: - dev_remove_pack(&lowpan_packet_type); lowpan_netlink_fini(); out_frag: lowpan_net_frag_exit(); @@ -719,8 +745,6 @@ static void __exit lowpan_cleanup_module(void) { lowpan_netlink_fini(); - dev_remove_pack(&lowpan_packet_type); - lowpan_net_frag_exit(); unregister_netdevice_notifier(&lowpan_dev_notifier); diff --git a/net/ieee802154/Makefile b/net/ieee802154/Makefile index 3914b1e..38354d4 100644 --- a/net/ieee802154/Makefile +++ b/net/ieee802154/Makefile @@ -2,8 +2,8 @@ obj-$(CONFIG_IEEE802154) += ieee802154.o af_802154.o obj-$(CONFIG_IEEE802154_6LOWPAN) += ieee802154_6lowpan.o ieee802154_6lowpan-y := 6lowpan_rtnl.o reassembly.o -ieee802154-y := netlink.o nl-mac.o nl-phy.o nl_policy.o wpan-class.o \ - header_ops.o +ieee802154-y := netlink.o nl-mac.o nl-phy.o nl_policy.o core.o \ + header_ops.o sysfs.o af_802154-y := af_ieee802154.o raw.o dgram.o ccflags-y += -D__CHECK_ENDIAN__ diff --git a/net/ieee802154/af802154.h b/net/ieee802154/af802154.h index 8330a09..343b63e 100644 --- a/net/ieee802154/af802154.h +++ b/net/ieee802154/af802154.h @@ -12,10 +12,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * * Written by: * Sergey Lapin <slapin@ossfans.org> * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> diff --git a/net/ieee802154/af_ieee802154.c b/net/ieee802154/af_ieee802154.c index 29e0de6..26da1e1 100644 --- a/net/ieee802154/af_ieee802154.c +++ b/net/ieee802154/af_ieee802154.c @@ -12,10 +12,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * * Written by: * Sergey Lapin <slapin@ossfans.org> * Maxim Gorbachyov <maxim.gorbachev@siemens.com> diff --git a/net/ieee802154/wpan-class.c b/net/ieee802154/core.c index 4955e0f..620abc2 100644 --- a/net/ieee802154/wpan-class.c +++ b/net/ieee802154/core.c @@ -10,10 +10,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * */ #include <linux/slab.h> @@ -21,75 +17,10 @@ #include <linux/module.h> #include <linux/device.h> -#include <net/wpan-phy.h> +#include <net/cfg802154.h> #include "ieee802154.h" - -#define MASTER_SHOW_COMPLEX(name, format_string, args...) \ -static ssize_t name ## _show(struct device *dev, \ - struct device_attribute *attr, char *buf) \ -{ \ - struct wpan_phy *phy = container_of(dev, struct wpan_phy, dev); \ - int ret; \ - \ - mutex_lock(&phy->pib_lock); \ - ret = snprintf(buf, PAGE_SIZE, format_string "\n", args); \ - mutex_unlock(&phy->pib_lock); \ - return ret; \ -} \ -static DEVICE_ATTR_RO(name); - -#define MASTER_SHOW(field, format_string) \ - MASTER_SHOW_COMPLEX(field, format_string, phy->field) - -MASTER_SHOW(current_channel, "%d"); -MASTER_SHOW(current_page, "%d"); -MASTER_SHOW(transmit_power, "%d +- 1 dB"); -MASTER_SHOW(cca_mode, "%d"); - -static ssize_t channels_supported_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct wpan_phy *phy = container_of(dev, struct wpan_phy, dev); - int ret; - int i, len = 0; - - mutex_lock(&phy->pib_lock); - for (i = 0; i < 32; i++) { - ret = snprintf(buf + len, PAGE_SIZE - len, - "%#09x\n", phy->channels_supported[i]); - if (ret < 0) - break; - len += ret; - } - mutex_unlock(&phy->pib_lock); - return len; -} -static DEVICE_ATTR_RO(channels_supported); - -static struct attribute *pmib_attrs[] = { - &dev_attr_current_channel.attr, - &dev_attr_current_page.attr, - &dev_attr_channels_supported.attr, - &dev_attr_transmit_power.attr, - &dev_attr_cca_mode.attr, - NULL, -}; -ATTRIBUTE_GROUPS(pmib); - -static void wpan_phy_release(struct device *d) -{ - struct wpan_phy *phy = container_of(d, struct wpan_phy, dev); - - kfree(phy); -} - -static struct class wpan_phy_class = { - .name = "ieee802154", - .dev_release = wpan_phy_release, - .dev_groups = pmib_groups, -}; +#include "sysfs.h" static DEFINE_MUTEX(wpan_phy_mutex); static int wpan_phy_idx; @@ -201,7 +132,7 @@ static int __init wpan_phy_class_init(void) { int rc; - rc = class_register(&wpan_phy_class); + rc = wpan_phy_sysfs_init(); if (rc) goto err; @@ -211,7 +142,7 @@ static int __init wpan_phy_class_init(void) return 0; err_nl: - class_unregister(&wpan_phy_class); + wpan_phy_sysfs_exit(); err: return rc; } @@ -220,7 +151,7 @@ subsys_initcall(wpan_phy_class_init); static void __exit wpan_phy_class_exit(void) { ieee802154_nl_exit(); - class_unregister(&wpan_phy_class); + wpan_phy_sysfs_exit(); } module_exit(wpan_phy_class_exit); diff --git a/net/ieee802154/dgram.c b/net/ieee802154/dgram.c index ef2ad8a..3d58bef 100644 --- a/net/ieee802154/dgram.c +++ b/net/ieee802154/dgram.c @@ -12,10 +12,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * * Written by: * Sergey Lapin <slapin@ossfans.org> * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> @@ -27,9 +23,9 @@ #include <linux/if_arp.h> #include <linux/list.h> #include <linux/slab.h> +#include <linux/ieee802154.h> #include <net/sock.h> #include <net/af_ieee802154.h> -#include <net/ieee802154.h> #include <net/ieee802154_netdev.h> #include <asm/ioctls.h> diff --git a/net/ieee802154/header_ops.c b/net/ieee802154/header_ops.c index c09294e..a051b69 100644 --- a/net/ieee802154/header_ops.c +++ b/net/ieee802154/header_ops.c @@ -14,8 +14,9 @@ * Phoebe Buckheister <phoebe.buckheister@itwm.fraunhofer.de> */ +#include <linux/ieee802154.h> + #include <net/mac802154.h> -#include <net/ieee802154.h> #include <net/ieee802154_netdev.h> static int diff --git a/net/ieee802154/ieee802154.h b/net/ieee802154/ieee802154.h index 5d352f8..42ae63a 100644 --- a/net/ieee802154/ieee802154.h +++ b/net/ieee802154/ieee802154.h @@ -10,10 +10,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * */ #ifndef IEEE_802154_LOCAL_H #define IEEE_802154_LOCAL_H diff --git a/net/ieee802154/netlink.c b/net/ieee802154/netlink.c index 9222966..6c3c259 100644 --- a/net/ieee802154/netlink.c +++ b/net/ieee802154/netlink.c @@ -12,10 +12,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * * Written by: * Sergey Lapin <slapin@ossfans.org> * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> diff --git a/net/ieee802154/nl-mac.c b/net/ieee802154/nl-mac.c index c6bfe22..abd0f31 100644 --- a/net/ieee802154/nl-mac.c +++ b/net/ieee802154/nl-mac.c @@ -12,10 +12,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * * Written by: * Sergey Lapin <slapin@ossfans.org> * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> @@ -26,6 +22,7 @@ #include <linux/kernel.h> #include <linux/if_arp.h> #include <linux/netdevice.h> +#include <linux/ieee802154.h> #include <net/netlink.h> #include <net/genetlink.h> #include <net/sock.h> @@ -33,9 +30,8 @@ #include <linux/export.h> #include <net/af_ieee802154.h> #include <net/nl802154.h> -#include <net/ieee802154.h> #include <net/ieee802154_netdev.h> -#include <net/wpan-phy.h> +#include <net/cfg802154.h> #include "ieee802154.h" @@ -668,20 +664,6 @@ int ieee802154_set_macparams(struct sk_buff *skb, struct genl_info *info) phy = ops->get_phy(dev); - if ((!phy->set_lbt && info->attrs[IEEE802154_ATTR_LBT_ENABLED]) || - (!phy->set_cca_mode && info->attrs[IEEE802154_ATTR_CCA_MODE]) || - (!phy->set_cca_ed_level && - info->attrs[IEEE802154_ATTR_CCA_ED_LEVEL]) || - (!phy->set_csma_params && - (info->attrs[IEEE802154_ATTR_CSMA_RETRIES] || - info->attrs[IEEE802154_ATTR_CSMA_MIN_BE] || - info->attrs[IEEE802154_ATTR_CSMA_MAX_BE])) || - (!phy->set_frame_retries && - info->attrs[IEEE802154_ATTR_FRAME_RETRIES])) { - rc = -EOPNOTSUPP; - goto out_phy; - } - ops->get_mac_params(dev, ¶ms); if (info->attrs[IEEE802154_ATTR_TXPOWER]) @@ -712,10 +694,9 @@ int ieee802154_set_macparams(struct sk_buff *skb, struct genl_info *info) wpan_phy_put(phy); dev_put(dev); - return rc; -out_phy: - wpan_phy_put(phy); + return 0; + out: dev_put(dev); return rc; diff --git a/net/ieee802154/nl-phy.c b/net/ieee802154/nl-phy.c index 972baf8..0afe760 100644 --- a/net/ieee802154/nl-phy.c +++ b/net/ieee802154/nl-phy.c @@ -12,10 +12,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * * Written by: * Sergey Lapin <slapin@ossfans.org> * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> @@ -27,7 +23,7 @@ #include <linux/if_arp.h> #include <net/netlink.h> #include <net/genetlink.h> -#include <net/wpan-phy.h> +#include <net/cfg802154.h> #include <net/af_ieee802154.h> #include <net/ieee802154_netdev.h> #include <net/rtnetlink.h> /* for rtnl_{un,}lock */ diff --git a/net/ieee802154/nl_policy.c b/net/ieee802154/nl_policy.c index 3a703ab8..35c4326 100644 --- a/net/ieee802154/nl_policy.c +++ b/net/ieee802154/nl_policy.c @@ -12,10 +12,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * */ #include <linux/kernel.h> diff --git a/net/ieee802154/raw.c b/net/ieee802154/raw.c index 9d1f648..3ffcf4a 100644 --- a/net/ieee802154/raw.c +++ b/net/ieee802154/raw.c @@ -12,10 +12,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * * Written by: * Sergey Lapin <slapin@ossfans.org> * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> diff --git a/net/ieee802154/reassembly.c b/net/ieee802154/reassembly.c index 7cfcd68..9d980ed 100644 --- a/net/ieee802154/reassembly.c +++ b/net/ieee802154/reassembly.c @@ -33,7 +33,7 @@ static const char lowpan_frags_cache_name[] = "lowpan-frags"; struct lowpan_frag_info { - __be16 d_tag; + u16 d_tag; u16 d_size; u8 d_offset; }; @@ -48,7 +48,7 @@ static struct inet_frags lowpan_frags; static int lowpan_frag_reasm(struct lowpan_frag_queue *fq, struct sk_buff *prev, struct net_device *dev); -static unsigned int lowpan_hash_frag(__be16 tag, u16 d_size, +static unsigned int lowpan_hash_frag(u16 tag, u16 d_size, const struct ieee802154_addr *saddr, const struct ieee802154_addr *daddr) { @@ -330,11 +330,13 @@ static int lowpan_get_frag_info(struct sk_buff *skb, const u8 frag_type, { bool fail; u8 pattern = 0, low = 0; + __be16 d_tag = 0; fail = lowpan_fetch_skb(skb, &pattern, 1); fail |= lowpan_fetch_skb(skb, &low, 1); frag_info->d_size = (pattern & 7) << 8 | low; - fail |= lowpan_fetch_skb(skb, &frag_info->d_tag, 2); + fail |= lowpan_fetch_skb(skb, &d_tag, 2); + frag_info->d_tag = ntohs(d_tag); if (frag_type == LOWPAN_DISPATCH_FRAGN) { fail |= lowpan_fetch_skb(skb, &frag_info->d_offset, 1); diff --git a/net/ieee802154/reassembly.h b/net/ieee802154/reassembly.h index 74e4a7c..836b16f 100644 --- a/net/ieee802154/reassembly.h +++ b/net/ieee802154/reassembly.h @@ -4,7 +4,7 @@ #include <net/inet_frag.h> struct lowpan_create_arg { - __be16 tag; + u16 tag; u16 d_size; const struct ieee802154_addr *src; const struct ieee802154_addr *dst; @@ -15,7 +15,7 @@ struct lowpan_create_arg { struct lowpan_frag_queue { struct inet_frag_queue q; - __be16 tag; + u16 tag; u16 d_size; struct ieee802154_addr saddr; struct ieee802154_addr daddr; diff --git a/net/ieee802154/sysfs.c b/net/ieee802154/sysfs.c new file mode 100644 index 0000000..eb9ca6f9 --- /dev/null +++ b/net/ieee802154/sysfs.c @@ -0,0 +1,94 @@ +/* This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * Authors: + * Alexander Aring <aar@pengutronix.de> + * + * Based on: net/wireless/sysfs.c + */ + +#include <linux/device.h> + +#include <net/cfg802154.h> + +#define MASTER_SHOW_COMPLEX(name, format_string, args...) \ +static ssize_t name ## _show(struct device *dev, \ + struct device_attribute *attr, char *buf) \ +{ \ + struct wpan_phy *phy = container_of(dev, struct wpan_phy, dev); \ + int ret; \ + \ + mutex_lock(&phy->pib_lock); \ + ret = snprintf(buf, PAGE_SIZE, format_string "\n", args); \ + mutex_unlock(&phy->pib_lock); \ + return ret; \ +} \ +static DEVICE_ATTR_RO(name) + +#define MASTER_SHOW(field, format_string) \ + MASTER_SHOW_COMPLEX(field, format_string, phy->field) + +MASTER_SHOW(current_channel, "%d"); +MASTER_SHOW(current_page, "%d"); +MASTER_SHOW(transmit_power, "%d +- 1 dB"); +MASTER_SHOW(cca_mode, "%d"); + +static ssize_t channels_supported_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct wpan_phy *phy = container_of(dev, struct wpan_phy, dev); + int ret; + int i, len = 0; + + mutex_lock(&phy->pib_lock); + for (i = 0; i < 32; i++) { + ret = snprintf(buf + len, PAGE_SIZE - len, + "%#09x\n", phy->channels_supported[i]); + if (ret < 0) + break; + len += ret; + } + mutex_unlock(&phy->pib_lock); + return len; +} +static DEVICE_ATTR_RO(channels_supported); + +static void wpan_phy_release(struct device *d) +{ + struct wpan_phy *phy = container_of(d, struct wpan_phy, dev); + + kfree(phy); +} + +static struct attribute *pmib_attrs[] = { + &dev_attr_current_channel.attr, + &dev_attr_current_page.attr, + &dev_attr_channels_supported.attr, + &dev_attr_transmit_power.attr, + &dev_attr_cca_mode.attr, + NULL, +}; +ATTRIBUTE_GROUPS(pmib); + +struct class wpan_phy_class = { + .name = "ieee802154", + .dev_release = wpan_phy_release, + .dev_groups = pmib_groups, +}; + +int wpan_phy_sysfs_init(void) +{ + return class_register(&wpan_phy_class); +} + +void wpan_phy_sysfs_exit(void) +{ + class_unregister(&wpan_phy_class); +} diff --git a/net/ieee802154/sysfs.h b/net/ieee802154/sysfs.h new file mode 100644 index 0000000..aa42e39 --- /dev/null +++ b/net/ieee802154/sysfs.h @@ -0,0 +1,9 @@ +#ifndef __IEEE802154_SYSFS_H +#define __IEEE802154_SYSFS_H + +int wpan_phy_sysfs_init(void); +void wpan_phy_sysfs_exit(void); + +extern struct class wpan_phy_class; + +#endif /* __IEEE802154_SYSFS_H */ diff --git a/net/mac802154/Kconfig b/net/mac802154/Kconfig index 1818a99..aa462b4 100644 --- a/net/mac802154/Kconfig +++ b/net/mac802154/Kconfig @@ -16,5 +16,5 @@ config MAC802154 been tested yet! If you plan to use HardMAC IEEE 802.15.4 devices, you can - say N here. Alternatievly you can say M to compile it as + say N here. Alternatively you can say M to compile it as module. diff --git a/net/mac802154/Makefile b/net/mac802154/Makefile index 9723d6f..2e497d0 100644 --- a/net/mac802154/Makefile +++ b/net/mac802154/Makefile @@ -1,5 +1,5 @@ obj-$(CONFIG_MAC802154) += mac802154.o -mac802154-objs := ieee802154_dev.o rx.o tx.o mac_cmd.o mib.o \ - monitor.o wpan.o llsec.o +mac802154-objs := main.o rx.o tx.o mac_cmd.o mib.o \ + iface.o llsec.o util.o ccflags-y += -D__CHECK_ENDIAN__ diff --git a/net/mac802154/driver-ops.h b/net/mac802154/driver-ops.h new file mode 100644 index 0000000..dfd29ff --- /dev/null +++ b/net/mac802154/driver-ops.h @@ -0,0 +1,226 @@ +#ifndef __MAC802154_DRVIER_OPS +#define __MAC802154_DRIVER_OPS + +#include <linux/types.h> +#include <linux/rtnetlink.h> + +#include <net/mac802154.h> + +#include "ieee802154_i.h" + +static inline int +drv_xmit_async(struct ieee802154_local *local, struct sk_buff *skb) +{ + return local->ops->xmit_async(&local->hw, skb); +} + +static inline int +drv_xmit_sync(struct ieee802154_local *local, struct sk_buff *skb) +{ + /* don't allow other operations while sync xmit */ + ASSERT_RTNL(); + + might_sleep(); + + return local->ops->xmit_sync(&local->hw, skb); +} + +static inline int drv_start(struct ieee802154_local *local) +{ + might_sleep(); + + local->started = true; + smp_mb(); + + return local->ops->start(&local->hw); +} + +static inline void drv_stop(struct ieee802154_local *local) +{ + might_sleep(); + + local->ops->stop(&local->hw); + + /* sync away all work on the tasklet before clearing started */ + tasklet_disable(&local->tasklet); + tasklet_enable(&local->tasklet); + + barrier(); + + local->started = false; +} + +static inline int drv_set_channel(struct ieee802154_local *local, + const u8 page, const u8 channel) +{ + might_sleep(); + + return local->ops->set_channel(&local->hw, page, channel); +} + +static inline int drv_set_tx_power(struct ieee802154_local *local, + const s8 dbm) +{ + might_sleep(); + + if (!local->ops->set_txpower) { + WARN_ON(1); + return -EOPNOTSUPP; + } + + return local->ops->set_txpower(&local->hw, dbm); +} + +static inline int drv_set_cca_mode(struct ieee802154_local *local, + const u8 cca_mode) +{ + might_sleep(); + + if (!local->ops->set_cca_mode) { + WARN_ON(1); + return -EOPNOTSUPP; + } + + return local->ops->set_cca_mode(&local->hw, cca_mode); +} + +static inline int drv_set_lbt_mode(struct ieee802154_local *local, + const bool mode) +{ + might_sleep(); + + if (!local->ops->set_lbt) { + WARN_ON(1); + return -EOPNOTSUPP; + } + + return local->ops->set_lbt(&local->hw, mode); +} + +static inline int drv_set_cca_ed_level(struct ieee802154_local *local, + const s32 ed_level) +{ + might_sleep(); + + if (!local->ops->set_cca_ed_level) { + WARN_ON(1); + return -EOPNOTSUPP; + } + + return local->ops->set_cca_ed_level(&local->hw, ed_level); +} + +static inline int drv_set_pan_id(struct ieee802154_local *local, + const __le16 pan_id) +{ + struct ieee802154_hw_addr_filt filt; + + might_sleep(); + + if (!local->ops->set_hw_addr_filt) { + WARN_ON(1); + return -EOPNOTSUPP; + } + + filt.pan_id = pan_id; + + return local->ops->set_hw_addr_filt(&local->hw, &filt, + IEEE802154_AFILT_PANID_CHANGED); +} + +static inline int drv_set_extended_addr(struct ieee802154_local *local, + const __le64 extended_addr) +{ + struct ieee802154_hw_addr_filt filt; + + might_sleep(); + + if (!local->ops->set_hw_addr_filt) { + WARN_ON(1); + return -EOPNOTSUPP; + } + + filt.ieee_addr = extended_addr; + + return local->ops->set_hw_addr_filt(&local->hw, &filt, + IEEE802154_AFILT_IEEEADDR_CHANGED); +} + +static inline int drv_set_short_addr(struct ieee802154_local *local, + const __le16 short_addr) +{ + struct ieee802154_hw_addr_filt filt; + + might_sleep(); + + if (!local->ops->set_hw_addr_filt) { + WARN_ON(1); + return -EOPNOTSUPP; + } + + filt.short_addr = short_addr; + + return local->ops->set_hw_addr_filt(&local->hw, &filt, + IEEE802154_AFILT_SADDR_CHANGED); +} + +static inline int drv_set_pan_coord(struct ieee802154_local *local, + const bool is_coord) +{ + struct ieee802154_hw_addr_filt filt; + + might_sleep(); + + if (!local->ops->set_hw_addr_filt) { + WARN_ON(1); + return -EOPNOTSUPP; + } + + filt.pan_coord = is_coord; + + return local->ops->set_hw_addr_filt(&local->hw, &filt, + IEEE802154_AFILT_PANC_CHANGED); +} + +static inline int drv_set_csma_params(struct ieee802154_local *local, + u8 min_be, u8 max_be, + u8 max_csma_backoffs) +{ + might_sleep(); + + if (!local->ops->set_csma_params) { + WARN_ON(1); + return -EOPNOTSUPP; + } + + return local->ops->set_csma_params(&local->hw, min_be, max_be, + max_csma_backoffs); +} + +static inline int drv_set_max_frame_retries(struct ieee802154_local *local, + s8 max_frame_retries) +{ + might_sleep(); + + if (!local->ops->set_frame_retries) { + WARN_ON(1); + return -EOPNOTSUPP; + } + + return local->ops->set_frame_retries(&local->hw, max_frame_retries); +} + +static inline int drv_set_promiscuous_mode(struct ieee802154_local *local, + const bool on) +{ + might_sleep(); + + if (!local->ops->set_promiscuous_mode) { + WARN_ON(1); + return -EOPNOTSUPP; + } + + return local->ops->set_promiscuous_mode(&local->hw, on); +} + +#endif /* __MAC802154_DRVIER_OPS */ diff --git a/net/mac802154/ieee802154_dev.c b/net/mac802154/ieee802154_dev.c deleted file mode 100644 index b36b2b9..0000000 --- a/net/mac802154/ieee802154_dev.c +++ /dev/null @@ -1,415 +0,0 @@ -/* - * Copyright (C) 2007-2012 Siemens AG - * - * Written by: - * Alexander Smirnov <alex.bluesman.smirnov@gmail.com> - * - * Based on the code from 'linux-zigbee.sourceforge.net' project. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/netdevice.h> - -#include <net/netlink.h> -#include <linux/nl802154.h> -#include <net/mac802154.h> -#include <net/ieee802154_netdev.h> -#include <net/route.h> -#include <net/wpan-phy.h> - -#include "mac802154.h" - -int mac802154_slave_open(struct net_device *dev) -{ - struct mac802154_sub_if_data *priv = netdev_priv(dev); - struct mac802154_sub_if_data *subif; - struct mac802154_priv *ipriv = priv->hw; - int res = 0; - - ASSERT_RTNL(); - - if (priv->type == IEEE802154_DEV_WPAN) { - mutex_lock(&priv->hw->slaves_mtx); - list_for_each_entry(subif, &priv->hw->slaves, list) { - if (subif != priv && subif->type == priv->type && - subif->running) { - mutex_unlock(&priv->hw->slaves_mtx); - return -EBUSY; - } - } - mutex_unlock(&priv->hw->slaves_mtx); - } - - mutex_lock(&priv->hw->slaves_mtx); - priv->running = true; - mutex_unlock(&priv->hw->slaves_mtx); - - if (ipriv->open_count++ == 0) { - res = ipriv->ops->start(&ipriv->hw); - WARN_ON(res); - if (res) - goto err; - } - - if (ipriv->ops->ieee_addr) { - __le64 addr = ieee802154_devaddr_from_raw(dev->dev_addr); - - res = ipriv->ops->ieee_addr(&ipriv->hw, addr); - WARN_ON(res); - if (res) - goto err; - mac802154_dev_set_ieee_addr(dev); - } - - netif_start_queue(dev); - return 0; -err: - priv->hw->open_count--; - - return res; -} - -int mac802154_slave_close(struct net_device *dev) -{ - struct mac802154_sub_if_data *priv = netdev_priv(dev); - struct mac802154_priv *ipriv = priv->hw; - - ASSERT_RTNL(); - - netif_stop_queue(dev); - - mutex_lock(&priv->hw->slaves_mtx); - priv->running = false; - mutex_unlock(&priv->hw->slaves_mtx); - - if (!--ipriv->open_count) - ipriv->ops->stop(&ipriv->hw); - - return 0; -} - -static int -mac802154_netdev_register(struct wpan_phy *phy, struct net_device *dev) -{ - struct mac802154_sub_if_data *priv; - struct mac802154_priv *ipriv; - int err; - - ipriv = wpan_phy_priv(phy); - - priv = netdev_priv(dev); - priv->dev = dev; - priv->hw = ipriv; - - dev->needed_headroom = ipriv->hw.extra_tx_headroom; - - SET_NETDEV_DEV(dev, &ipriv->phy->dev); - - mutex_lock(&ipriv->slaves_mtx); - if (!ipriv->running) { - mutex_unlock(&ipriv->slaves_mtx); - return -ENODEV; - } - mutex_unlock(&ipriv->slaves_mtx); - - err = register_netdev(dev); - if (err < 0) - return err; - - rtnl_lock(); - mutex_lock(&ipriv->slaves_mtx); - list_add_tail_rcu(&priv->list, &ipriv->slaves); - mutex_unlock(&ipriv->slaves_mtx); - rtnl_unlock(); - - return 0; -} - -static void -mac802154_del_iface(struct wpan_phy *phy, struct net_device *dev) -{ - struct mac802154_sub_if_data *sdata; - - ASSERT_RTNL(); - - sdata = netdev_priv(dev); - - BUG_ON(sdata->hw->phy != phy); - - mutex_lock(&sdata->hw->slaves_mtx); - list_del_rcu(&sdata->list); - mutex_unlock(&sdata->hw->slaves_mtx); - - synchronize_rcu(); - unregister_netdevice(sdata->dev); -} - -static struct net_device * -mac802154_add_iface(struct wpan_phy *phy, const char *name, int type) -{ - struct net_device *dev; - int err = -ENOMEM; - - switch (type) { - case IEEE802154_DEV_MONITOR: - dev = alloc_netdev(sizeof(struct mac802154_sub_if_data), - name, NET_NAME_UNKNOWN, - mac802154_monitor_setup); - break; - case IEEE802154_DEV_WPAN: - dev = alloc_netdev(sizeof(struct mac802154_sub_if_data), - name, NET_NAME_UNKNOWN, - mac802154_wpan_setup); - break; - default: - dev = NULL; - err = -EINVAL; - break; - } - if (!dev) - goto err; - - err = mac802154_netdev_register(phy, dev); - if (err) - goto err_free; - - dev_hold(dev); /* we return an incremented device refcount */ - return dev; - -err_free: - free_netdev(dev); -err: - return ERR_PTR(err); -} - -static int mac802154_set_txpower(struct wpan_phy *phy, int db) -{ - struct mac802154_priv *priv = wpan_phy_priv(phy); - - return priv->ops->set_txpower(&priv->hw, db); -} - -static int mac802154_set_lbt(struct wpan_phy *phy, bool on) -{ - struct mac802154_priv *priv = wpan_phy_priv(phy); - - return priv->ops->set_lbt(&priv->hw, on); -} - -static int mac802154_set_cca_mode(struct wpan_phy *phy, u8 mode) -{ - struct mac802154_priv *priv = wpan_phy_priv(phy); - - return priv->ops->set_cca_mode(&priv->hw, mode); -} - -static int mac802154_set_cca_ed_level(struct wpan_phy *phy, s32 level) -{ - struct mac802154_priv *priv = wpan_phy_priv(phy); - - return priv->ops->set_cca_ed_level(&priv->hw, level); -} - -static int mac802154_set_csma_params(struct wpan_phy *phy, u8 min_be, - u8 max_be, u8 retries) -{ - struct mac802154_priv *priv = wpan_phy_priv(phy); - - return priv->ops->set_csma_params(&priv->hw, min_be, max_be, retries); -} - -static int mac802154_set_frame_retries(struct wpan_phy *phy, s8 retries) -{ - struct mac802154_priv *priv = wpan_phy_priv(phy); - - return priv->ops->set_frame_retries(&priv->hw, retries); -} - -struct ieee802154_dev * -ieee802154_alloc_device(size_t priv_data_len, struct ieee802154_ops *ops) -{ - struct wpan_phy *phy; - struct mac802154_priv *priv; - size_t priv_size; - - if (!ops || !ops->xmit || !ops->ed || !ops->start || - !ops->stop || !ops->set_channel) { - pr_err("undefined IEEE802.15.4 device operations\n"); - return NULL; - } - - /* Ensure 32-byte alignment of our private data and hw private data. - * We use the wpan_phy priv data for both our mac802154_priv and for - * the driver's private data - * - * in memory it'll be like this: - * - * +-----------------------+ - * | struct wpan_phy | - * +-----------------------+ - * | struct mac802154_priv | - * +-----------------------+ - * | driver's private data | - * +-----------------------+ - * - * Due to ieee802154 layer isn't aware of driver and MAC structures, - * so lets allign them here. - */ - - priv_size = ALIGN(sizeof(*priv), NETDEV_ALIGN) + priv_data_len; - - phy = wpan_phy_alloc(priv_size); - if (!phy) { - pr_err("failure to allocate master IEEE802.15.4 device\n"); - return NULL; - } - - priv = wpan_phy_priv(phy); - priv->phy = phy; - priv->hw.phy = priv->phy; - priv->hw.priv = (char *)priv + ALIGN(sizeof(*priv), NETDEV_ALIGN); - priv->ops = ops; - - INIT_LIST_HEAD(&priv->slaves); - mutex_init(&priv->slaves_mtx); - - return &priv->hw; -} -EXPORT_SYMBOL(ieee802154_alloc_device); - -void ieee802154_free_device(struct ieee802154_dev *hw) -{ - struct mac802154_priv *priv = mac802154_to_priv(hw); - - BUG_ON(!list_empty(&priv->slaves)); - - mutex_destroy(&priv->slaves_mtx); - - wpan_phy_free(priv->phy); -} -EXPORT_SYMBOL(ieee802154_free_device); - -int ieee802154_register_device(struct ieee802154_dev *dev) -{ - struct mac802154_priv *priv = mac802154_to_priv(dev); - int rc = -ENOSYS; - - if (dev->flags & IEEE802154_HW_TXPOWER) { - if (!priv->ops->set_txpower) - goto out; - - priv->phy->set_txpower = mac802154_set_txpower; - } - - if (dev->flags & IEEE802154_HW_LBT) { - if (!priv->ops->set_lbt) - goto out; - - priv->phy->set_lbt = mac802154_set_lbt; - } - - if (dev->flags & IEEE802154_HW_CCA_MODE) { - if (!priv->ops->set_cca_mode) - goto out; - - priv->phy->set_cca_mode = mac802154_set_cca_mode; - } - - if (dev->flags & IEEE802154_HW_CCA_ED_LEVEL) { - if (!priv->ops->set_cca_ed_level) - goto out; - - priv->phy->set_cca_ed_level = mac802154_set_cca_ed_level; - } - - if (dev->flags & IEEE802154_HW_CSMA_PARAMS) { - if (!priv->ops->set_csma_params) - goto out; - - priv->phy->set_csma_params = mac802154_set_csma_params; - } - - if (dev->flags & IEEE802154_HW_FRAME_RETRIES) { - if (!priv->ops->set_frame_retries) - goto out; - - priv->phy->set_frame_retries = mac802154_set_frame_retries; - } - - priv->dev_workqueue = - create_singlethread_workqueue(wpan_phy_name(priv->phy)); - if (!priv->dev_workqueue) { - rc = -ENOMEM; - goto out; - } - - wpan_phy_set_dev(priv->phy, priv->hw.parent); - - priv->phy->add_iface = mac802154_add_iface; - priv->phy->del_iface = mac802154_del_iface; - - rc = wpan_phy_register(priv->phy); - if (rc < 0) - goto out_wq; - - rtnl_lock(); - - mutex_lock(&priv->slaves_mtx); - priv->running = MAC802154_DEVICE_RUN; - mutex_unlock(&priv->slaves_mtx); - - rtnl_unlock(); - - return 0; - -out_wq: - destroy_workqueue(priv->dev_workqueue); -out: - return rc; -} -EXPORT_SYMBOL(ieee802154_register_device); - -void ieee802154_unregister_device(struct ieee802154_dev *dev) -{ - struct mac802154_priv *priv = mac802154_to_priv(dev); - struct mac802154_sub_if_data *sdata, *next; - - flush_workqueue(priv->dev_workqueue); - destroy_workqueue(priv->dev_workqueue); - - rtnl_lock(); - - mutex_lock(&priv->slaves_mtx); - priv->running = MAC802154_DEVICE_STOPPED; - mutex_unlock(&priv->slaves_mtx); - - list_for_each_entry_safe(sdata, next, &priv->slaves, list) { - mutex_lock(&sdata->hw->slaves_mtx); - list_del(&sdata->list); - mutex_unlock(&sdata->hw->slaves_mtx); - - unregister_netdevice(sdata->dev); - } - - rtnl_unlock(); - - wpan_phy_unregister(priv->phy); -} -EXPORT_SYMBOL(ieee802154_unregister_device); - -MODULE_DESCRIPTION("IEEE 802.15.4 implementation"); -MODULE_LICENSE("GPL v2"); diff --git a/net/mac802154/mac802154.h b/net/mac802154/ieee802154_i.h index 762a6f8..1086a9d 100644 --- a/net/mac802154/mac802154.h +++ b/net/mac802154/ieee802154_i.h @@ -10,18 +10,14 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * * Written by: * Pavel Smolenskiy <pavel.smolenskiy@gmail.com> * Maxim Gorbachyov <maxim.gorbachev@siemens.com> * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> * Alexander Smirnov <alex.bluesman.smirnov@gmail.com> */ -#ifndef MAC802154_H -#define MAC802154_H +#ifndef __IEEE802154_I_H +#define __IEEE802154_I_H #include <linux/mutex.h> #include <net/mac802154.h> @@ -30,9 +26,9 @@ #include "llsec.h" /* mac802154 device private data */ -struct mac802154_priv { - struct ieee802154_dev hw; - struct ieee802154_ops *ops; +struct ieee802154_local { + struct ieee802154_hw hw; + const struct ieee802154_ops *ops; /* ieee802154 phy */ struct wpan_phy *phy; @@ -46,23 +42,27 @@ struct mac802154_priv { * * So atomic readers can use any of this protection methods. */ - struct list_head slaves; - struct mutex slaves_mtx; + struct list_head interfaces; + struct mutex iflist_mtx; /* This one is used for scanning and other jobs not to be interfered * with serial driver. */ - struct workqueue_struct *dev_workqueue; + struct workqueue_struct *workqueue; - /* SoftMAC device is registered and running. One can add subinterfaces. - * This flag should be modified under slaves_mtx and RTNL, so you can - * read them using any of protection methods. - */ - bool running; + bool started; + + struct tasklet_struct tasklet; + struct sk_buff_head skb_queue; }; -#define MAC802154_DEVICE_STOPPED 0x00 -#define MAC802154_DEVICE_RUN 0x01 +enum { + IEEE802154_RX_MSG = 1, +}; + +enum ieee802154_sdata_state_bits { + SDATA_STATE_RUNNING, +}; /* Slave interface definition. * @@ -70,23 +70,21 @@ struct mac802154_priv { * Each ieee802154 device/transceiver may have several slaves and able * to be associated with several networks at the same time. */ -struct mac802154_sub_if_data { +struct ieee802154_sub_if_data { struct list_head list; /* the ieee802154_priv->slaves list */ - struct mac802154_priv *hw; + struct ieee802154_local *local; struct net_device *dev; int type; - bool running; + unsigned long state; spinlock_t mib_lock; __le16 pan_id; __le16 short_addr; __le64 extended_addr; - - u8 chan; - u8 page; + bool promisuous_mode; struct ieee802154_mac_params mac_params; @@ -103,24 +101,36 @@ struct mac802154_sub_if_data { struct mac802154_llsec sec; }; -#define mac802154_to_priv(_hw) container_of(_hw, struct mac802154_priv, hw) - #define MAC802154_CHAN_NONE 0xff /* No channel is assigned */ +static inline struct ieee802154_local * +hw_to_local(struct ieee802154_hw *hw) +{ + return container_of(hw, struct ieee802154_local, hw); +} + +static inline struct ieee802154_sub_if_data * +IEEE802154_DEV_TO_SUB_IF(const struct net_device *dev) +{ + return netdev_priv(dev); +} + +static inline bool +ieee802154_sdata_running(struct ieee802154_sub_if_data *sdata) +{ + return test_bit(SDATA_STATE_RUNNING, &sdata->state); +} + extern struct ieee802154_reduced_mlme_ops mac802154_mlme_reduced; extern struct ieee802154_mlme_ops mac802154_mlme_wpan; -int mac802154_slave_open(struct net_device *dev); -int mac802154_slave_close(struct net_device *dev); - -void mac802154_monitors_rx(struct mac802154_priv *priv, struct sk_buff *skb); void mac802154_monitor_setup(struct net_device *dev); +netdev_tx_t +ieee802154_monitor_start_xmit(struct sk_buff *skb, struct net_device *dev); -void mac802154_wpans_rx(struct mac802154_priv *priv, struct sk_buff *skb); void mac802154_wpan_setup(struct net_device *dev); - -netdev_tx_t mac802154_tx(struct mac802154_priv *priv, struct sk_buff *skb, - u8 page, u8 chan); +netdev_tx_t +ieee802154_subif_start_xmit(struct sk_buff *skb, struct net_device *dev); /* MIB callbacks */ void mac802154_dev_set_short_addr(struct net_device *dev, __le16 val); @@ -131,11 +141,6 @@ void mac802154_dev_set_pan_id(struct net_device *dev, __le16 val); void mac802154_dev_set_page_channel(struct net_device *dev, u8 page, u8 chan); u8 mac802154_dev_get_dsn(const struct net_device *dev); -int mac802154_set_mac_params(struct net_device *dev, - const struct ieee802154_mac_params *params); -void mac802154_get_mac_params(struct net_device *dev, - struct ieee802154_mac_params *params); - int mac802154_get_params(struct net_device *dev, struct ieee802154_llsec_params *params); int mac802154_set_params(struct net_device *dev, @@ -169,4 +174,4 @@ void mac802154_get_table(struct net_device *dev, struct ieee802154_llsec_table **t); void mac802154_unlock_table(struct net_device *dev); -#endif /* MAC802154_H */ +#endif /* __IEEE802154_I_H */ diff --git a/net/mac802154/iface.c b/net/mac802154/iface.c new file mode 100644 index 0000000..f7a6f83 --- /dev/null +++ b/net/mac802154/iface.c @@ -0,0 +1,466 @@ +/* + * Copyright 2007-2012 Siemens AG + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * Written by: + * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> + * Sergey Lapin <slapin@ossfans.org> + * Maxim Gorbachyov <maxim.gorbachev@siemens.com> + * Alexander Smirnov <alex.bluesman.smirnov@gmail.com> + */ + +#include <linux/netdevice.h> +#include <linux/module.h> +#include <linux/if_arp.h> +#include <linux/ieee802154.h> + +#include <net/rtnetlink.h> +#include <linux/nl802154.h> +#include <net/af_ieee802154.h> +#include <net/mac802154.h> +#include <net/ieee802154_netdev.h> +#include <net/cfg802154.h> + +#include "ieee802154_i.h" +#include "driver-ops.h" + +static int mac802154_wpan_update_llsec(struct net_device *dev) +{ + struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); + struct ieee802154_mlme_ops *ops = ieee802154_mlme_ops(dev); + int rc = 0; + + if (ops->llsec) { + struct ieee802154_llsec_params params; + int changed = 0; + + params.pan_id = sdata->pan_id; + changed |= IEEE802154_LLSEC_PARAM_PAN_ID; + + params.hwaddr = sdata->extended_addr; + changed |= IEEE802154_LLSEC_PARAM_HWADDR; + + rc = ops->llsec->set_params(dev, ¶ms, changed); + } + + return rc; +} + +static int +mac802154_wpan_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) +{ + struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); + struct sockaddr_ieee802154 *sa = + (struct sockaddr_ieee802154 *)&ifr->ifr_addr; + int err = -ENOIOCTLCMD; + + spin_lock_bh(&sdata->mib_lock); + + switch (cmd) { + case SIOCGIFADDR: + { + u16 pan_id, short_addr; + + pan_id = le16_to_cpu(sdata->pan_id); + short_addr = le16_to_cpu(sdata->short_addr); + if (pan_id == IEEE802154_PANID_BROADCAST || + short_addr == IEEE802154_ADDR_BROADCAST) { + err = -EADDRNOTAVAIL; + break; + } + + sa->family = AF_IEEE802154; + sa->addr.addr_type = IEEE802154_ADDR_SHORT; + sa->addr.pan_id = pan_id; + sa->addr.short_addr = short_addr; + + err = 0; + break; + } + case SIOCSIFADDR: + dev_warn(&dev->dev, + "Using DEBUGing ioctl SIOCSIFADDR isn't recommended!\n"); + if (sa->family != AF_IEEE802154 || + sa->addr.addr_type != IEEE802154_ADDR_SHORT || + sa->addr.pan_id == IEEE802154_PANID_BROADCAST || + sa->addr.short_addr == IEEE802154_ADDR_BROADCAST || + sa->addr.short_addr == IEEE802154_ADDR_UNDEF) { + err = -EINVAL; + break; + } + + sdata->pan_id = cpu_to_le16(sa->addr.pan_id); + sdata->short_addr = cpu_to_le16(sa->addr.short_addr); + + err = mac802154_wpan_update_llsec(dev); + break; + } + + spin_unlock_bh(&sdata->mib_lock); + return err; +} + +static int mac802154_wpan_mac_addr(struct net_device *dev, void *p) +{ + struct sockaddr *addr = p; + + if (netif_running(dev)) + return -EBUSY; + + /* FIXME: validate addr */ + memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); + mac802154_dev_set_ieee_addr(dev); + return mac802154_wpan_update_llsec(dev); +} + +int mac802154_set_mac_params(struct net_device *dev, + const struct ieee802154_mac_params *params) +{ + struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); + + mutex_lock(&sdata->local->iflist_mtx); + sdata->mac_params = *params; + mutex_unlock(&sdata->local->iflist_mtx); + + return 0; +} + +void mac802154_get_mac_params(struct net_device *dev, + struct ieee802154_mac_params *params) +{ + struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); + + mutex_lock(&sdata->local->iflist_mtx); + *params = sdata->mac_params; + mutex_unlock(&sdata->local->iflist_mtx); +} + +static int mac802154_slave_open(struct net_device *dev) +{ + struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); + struct ieee802154_sub_if_data *subif; + struct ieee802154_local *local = sdata->local; + int res = 0; + + ASSERT_RTNL(); + + if (sdata->type == IEEE802154_DEV_WPAN) { + mutex_lock(&sdata->local->iflist_mtx); + list_for_each_entry(subif, &sdata->local->interfaces, list) { + if (subif != sdata && subif->type == sdata->type && + ieee802154_sdata_running(subif)) { + mutex_unlock(&sdata->local->iflist_mtx); + return -EBUSY; + } + } + mutex_unlock(&sdata->local->iflist_mtx); + } + + set_bit(SDATA_STATE_RUNNING, &sdata->state); + + if (!local->open_count) { + res = drv_start(local); + WARN_ON(res); + if (res) + goto err; + } + + local->open_count++; + netif_start_queue(dev); + return 0; +err: + /* might already be clear but that doesn't matter */ + clear_bit(SDATA_STATE_RUNNING, &sdata->state); + + return res; +} + +static int mac802154_wpan_open(struct net_device *dev) +{ + int rc; + struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); + struct ieee802154_local *local = sdata->local; + struct wpan_phy *phy = sdata->local->phy; + + rc = mac802154_slave_open(dev); + if (rc < 0) + return rc; + + mutex_lock(&phy->pib_lock); + + if (local->hw.flags & IEEE802154_HW_PROMISCUOUS) { + rc = drv_set_promiscuous_mode(local, sdata->promisuous_mode); + if (rc < 0) + goto out; + } + + if (local->hw.flags & IEEE802154_HW_TXPOWER) { + rc = drv_set_tx_power(local, sdata->mac_params.transmit_power); + if (rc < 0) + goto out; + } + + if (local->hw.flags & IEEE802154_HW_LBT) { + rc = drv_set_lbt_mode(local, sdata->mac_params.lbt); + if (rc < 0) + goto out; + } + + if (local->hw.flags & IEEE802154_HW_CCA_MODE) { + rc = drv_set_cca_mode(local, sdata->mac_params.cca_mode); + if (rc < 0) + goto out; + } + + if (local->hw.flags & IEEE802154_HW_CCA_ED_LEVEL) { + rc = drv_set_cca_ed_level(local, + sdata->mac_params.cca_ed_level); + if (rc < 0) + goto out; + } + + if (local->hw.flags & IEEE802154_HW_CSMA_PARAMS) { + rc = drv_set_csma_params(local, sdata->mac_params.min_be, + sdata->mac_params.max_be, + sdata->mac_params.csma_retries); + if (rc < 0) + goto out; + } + + if (local->hw.flags & IEEE802154_HW_FRAME_RETRIES) { + rc = drv_set_max_frame_retries(local, + sdata->mac_params.frame_retries); + if (rc < 0) + goto out; + } + + mutex_unlock(&phy->pib_lock); + return 0; + +out: + mutex_unlock(&phy->pib_lock); + return rc; +} + +static int mac802154_slave_close(struct net_device *dev) +{ + struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); + struct ieee802154_local *local = sdata->local; + + ASSERT_RTNL(); + + netif_stop_queue(dev); + local->open_count--; + + clear_bit(SDATA_STATE_RUNNING, &sdata->state); + + if (!local->open_count) + drv_stop(local); + + return 0; +} + +static int mac802154_set_header_security(struct ieee802154_sub_if_data *sdata, + struct ieee802154_hdr *hdr, + const struct ieee802154_mac_cb *cb) +{ + struct ieee802154_llsec_params params; + u8 level; + + mac802154_llsec_get_params(&sdata->sec, ¶ms); + + if (!params.enabled && cb->secen_override && cb->secen) + return -EINVAL; + if (!params.enabled || + (cb->secen_override && !cb->secen) || + !params.out_level) + return 0; + if (cb->seclevel_override && !cb->seclevel) + return -EINVAL; + + level = cb->seclevel_override ? cb->seclevel : params.out_level; + + hdr->fc.security_enabled = 1; + hdr->sec.level = level; + hdr->sec.key_id_mode = params.out_key.mode; + if (params.out_key.mode == IEEE802154_SCF_KEY_SHORT_INDEX) + hdr->sec.short_src = params.out_key.short_source; + else if (params.out_key.mode == IEEE802154_SCF_KEY_HW_INDEX) + hdr->sec.extended_src = params.out_key.extended_source; + hdr->sec.key_id = params.out_key.id; + + return 0; +} + +static int mac802154_header_create(struct sk_buff *skb, + struct net_device *dev, + unsigned short type, + const void *daddr, + const void *saddr, + unsigned len) +{ + struct ieee802154_hdr hdr; + struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); + struct ieee802154_mac_cb *cb = mac_cb(skb); + int hlen; + + if (!daddr) + return -EINVAL; + + memset(&hdr.fc, 0, sizeof(hdr.fc)); + hdr.fc.type = cb->type; + hdr.fc.security_enabled = cb->secen; + hdr.fc.ack_request = cb->ackreq; + hdr.seq = ieee802154_mlme_ops(dev)->get_dsn(dev); + + if (mac802154_set_header_security(sdata, &hdr, cb) < 0) + return -EINVAL; + + if (!saddr) { + spin_lock_bh(&sdata->mib_lock); + + if (sdata->short_addr == cpu_to_le16(IEEE802154_ADDR_BROADCAST) || + sdata->short_addr == cpu_to_le16(IEEE802154_ADDR_UNDEF) || + sdata->pan_id == cpu_to_le16(IEEE802154_PANID_BROADCAST)) { + hdr.source.mode = IEEE802154_ADDR_LONG; + hdr.source.extended_addr = sdata->extended_addr; + } else { + hdr.source.mode = IEEE802154_ADDR_SHORT; + hdr.source.short_addr = sdata->short_addr; + } + + hdr.source.pan_id = sdata->pan_id; + + spin_unlock_bh(&sdata->mib_lock); + } else { + hdr.source = *(const struct ieee802154_addr *)saddr; + } + + hdr.dest = *(const struct ieee802154_addr *)daddr; + + hlen = ieee802154_hdr_push(skb, &hdr); + if (hlen < 0) + return -EINVAL; + + skb_reset_mac_header(skb); + skb->mac_len = hlen; + + if (len > ieee802154_max_payload(&hdr)) + return -EMSGSIZE; + + return hlen; +} + +static int +mac802154_header_parse(const struct sk_buff *skb, unsigned char *haddr) +{ + struct ieee802154_hdr hdr; + struct ieee802154_addr *addr = (struct ieee802154_addr *)haddr; + + if (ieee802154_hdr_peek_addrs(skb, &hdr) < 0) { + pr_debug("malformed packet\n"); + return 0; + } + + *addr = hdr.source; + return sizeof(*addr); +} + +static struct header_ops mac802154_header_ops = { + .create = mac802154_header_create, + .parse = mac802154_header_parse, +}; + +static const struct net_device_ops mac802154_wpan_ops = { + .ndo_open = mac802154_wpan_open, + .ndo_stop = mac802154_slave_close, + .ndo_start_xmit = ieee802154_subif_start_xmit, + .ndo_do_ioctl = mac802154_wpan_ioctl, + .ndo_set_mac_address = mac802154_wpan_mac_addr, +}; + +static const struct net_device_ops mac802154_monitor_ops = { + .ndo_open = mac802154_wpan_open, + .ndo_stop = mac802154_slave_close, + .ndo_start_xmit = ieee802154_monitor_start_xmit, +}; + +static void mac802154_wpan_free(struct net_device *dev) +{ + struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); + + mac802154_llsec_destroy(&sdata->sec); + + free_netdev(dev); +} + +void mac802154_wpan_setup(struct net_device *dev) +{ + struct ieee802154_sub_if_data *sdata; + + dev->addr_len = IEEE802154_ADDR_LEN; + memset(dev->broadcast, 0xff, IEEE802154_ADDR_LEN); + + dev->hard_header_len = MAC802154_FRAME_HARD_HEADER_LEN; + dev->header_ops = &mac802154_header_ops; + dev->needed_tailroom = 2 + 16; /* FCS + MIC */ + dev->mtu = IEEE802154_MTU; + dev->tx_queue_len = 300; + dev->type = ARPHRD_IEEE802154; + dev->flags = IFF_NOARP | IFF_BROADCAST; + + dev->destructor = mac802154_wpan_free; + dev->netdev_ops = &mac802154_wpan_ops; + dev->ml_priv = &mac802154_mlme_wpan; + + sdata = IEEE802154_DEV_TO_SUB_IF(dev); + sdata->type = IEEE802154_DEV_WPAN; + + spin_lock_init(&sdata->mib_lock); + mutex_init(&sdata->sec_mtx); + + get_random_bytes(&sdata->bsn, 1); + get_random_bytes(&sdata->dsn, 1); + + /* defaults per 802.15.4-2011 */ + sdata->mac_params.min_be = 3; + sdata->mac_params.max_be = 5; + sdata->mac_params.csma_retries = 4; + /* for compatibility, actual default is 3 */ + sdata->mac_params.frame_retries = -1; + + sdata->pan_id = cpu_to_le16(IEEE802154_PANID_BROADCAST); + sdata->short_addr = cpu_to_le16(IEEE802154_ADDR_BROADCAST); + + sdata->promisuous_mode = false; + + mac802154_llsec_init(&sdata->sec); +} + +void mac802154_monitor_setup(struct net_device *dev) +{ + struct ieee802154_sub_if_data *sdata; + + dev->needed_tailroom = 2; /* room for FCS */ + dev->mtu = IEEE802154_MTU; + dev->tx_queue_len = 10; + dev->type = ARPHRD_IEEE802154_MONITOR; + dev->flags = IFF_NOARP | IFF_BROADCAST; + + dev->destructor = free_netdev; + dev->netdev_ops = &mac802154_monitor_ops; + dev->ml_priv = &mac802154_mlme_reduced; + + sdata = IEEE802154_DEV_TO_SUB_IF(dev); + sdata->type = IEEE802154_DEV_MONITOR; + + sdata->promisuous_mode = true; +} diff --git a/net/mac802154/llsec.c b/net/mac802154/llsec.c index 4570581..fa0d523 100644 --- a/net/mac802154/llsec.c +++ b/net/mac802154/llsec.c @@ -17,10 +17,10 @@ #include <linux/err.h> #include <linux/bug.h> #include <linux/completion.h> -#include <net/ieee802154.h> +#include <linux/ieee802154.h> #include <crypto/algapi.h> -#include "mac802154.h" +#include "ieee802154_i.h" #include "llsec.h" static void llsec_key_put(struct mac802154_llsec_key *key); diff --git a/net/mac802154/mac_cmd.c b/net/mac802154/mac_cmd.c index bf80913..fc261ab 100644 --- a/net/mac802154/mac_cmd.c +++ b/net/mac802154/mac_cmd.c @@ -12,10 +12,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * * Written by: * Sergey Lapin <slapin@ossfans.org> * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> @@ -24,14 +20,14 @@ #include <linux/skbuff.h> #include <linux/if_arp.h> +#include <linux/ieee802154.h> -#include <net/ieee802154.h> #include <net/ieee802154_netdev.h> -#include <net/wpan-phy.h> +#include <net/cfg802154.h> #include <net/mac802154.h> #include <net/nl802154.h> -#include "mac802154.h" +#include "ieee802154_i.h" static int mac802154_mlme_start_req(struct net_device *dev, struct ieee802154_addr *addr, @@ -79,11 +75,33 @@ static int mac802154_mlme_start_req(struct net_device *dev, static struct wpan_phy *mac802154_get_phy(const struct net_device *dev) { - struct mac802154_sub_if_data *priv = netdev_priv(dev); + struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); BUG_ON(dev->type != ARPHRD_IEEE802154); - return to_phy(get_device(&priv->hw->phy->dev)); + return to_phy(get_device(&sdata->local->phy->dev)); +} + +static int mac802154_set_mac_params(struct net_device *dev, + const struct ieee802154_mac_params *params) +{ + struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); + + mutex_lock(&sdata->local->iflist_mtx); + sdata->mac_params = *params; + mutex_unlock(&sdata->local->iflist_mtx); + + return 0; +} + +static void mac802154_get_mac_params(struct net_device *dev, + struct ieee802154_mac_params *params) +{ + struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); + + mutex_lock(&sdata->local->iflist_mtx); + *params = sdata->mac_params; + mutex_unlock(&sdata->local->iflist_mtx); } static struct ieee802154_llsec_ops mac802154_llsec_ops = { diff --git a/net/mac802154/main.c b/net/mac802154/main.c new file mode 100644 index 0000000..86e533e --- /dev/null +++ b/net/mac802154/main.c @@ -0,0 +1,265 @@ +/* + * Copyright (C) 2007-2012 Siemens AG + * + * Written by: + * Alexander Smirnov <alex.bluesman.smirnov@gmail.com> + * + * Based on the code from 'linux-zigbee.sourceforge.net' project. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/netdevice.h> + +#include <net/netlink.h> +#include <linux/nl802154.h> +#include <net/mac802154.h> +#include <net/ieee802154_netdev.h> +#include <net/route.h> +#include <net/cfg802154.h> + +#include "ieee802154_i.h" + +static int +mac802154_netdev_register(struct wpan_phy *phy, struct net_device *dev) +{ + struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); + struct ieee802154_local *local; + int err; + + local = wpan_phy_priv(phy); + + sdata->dev = dev; + sdata->local = local; + + dev->needed_headroom = local->hw.extra_tx_headroom; + + SET_NETDEV_DEV(dev, &local->phy->dev); + + err = register_netdev(dev); + if (err < 0) + return err; + + rtnl_lock(); + mutex_lock(&local->iflist_mtx); + list_add_tail_rcu(&sdata->list, &local->interfaces); + mutex_unlock(&local->iflist_mtx); + rtnl_unlock(); + + return 0; +} + +static void +mac802154_del_iface(struct wpan_phy *phy, struct net_device *dev) +{ + struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); + + ASSERT_RTNL(); + + BUG_ON(sdata->local->phy != phy); + + mutex_lock(&sdata->local->iflist_mtx); + list_del_rcu(&sdata->list); + mutex_unlock(&sdata->local->iflist_mtx); + + synchronize_rcu(); + unregister_netdevice(sdata->dev); +} + +static struct net_device * +mac802154_add_iface(struct wpan_phy *phy, const char *name, int type) +{ + struct net_device *dev; + int err = -ENOMEM; + + switch (type) { + case IEEE802154_DEV_MONITOR: + dev = alloc_netdev(sizeof(struct ieee802154_sub_if_data), + name, NET_NAME_UNKNOWN, + mac802154_monitor_setup); + break; + case IEEE802154_DEV_WPAN: + dev = alloc_netdev(sizeof(struct ieee802154_sub_if_data), + name, NET_NAME_UNKNOWN, + mac802154_wpan_setup); + break; + default: + dev = NULL; + err = -EINVAL; + break; + } + if (!dev) + goto err; + + err = mac802154_netdev_register(phy, dev); + if (err) + goto err_free; + + dev_hold(dev); /* we return an incremented device refcount */ + return dev; + +err_free: + free_netdev(dev); +err: + return ERR_PTR(err); +} + +static void ieee802154_tasklet_handler(unsigned long data) +{ + struct ieee802154_local *local = (struct ieee802154_local *)data; + struct sk_buff *skb; + + while ((skb = skb_dequeue(&local->skb_queue))) { + switch (skb->pkt_type) { + case IEEE802154_RX_MSG: + /* Clear skb->pkt_type in order to not confuse kernel + * netstack. + */ + skb->pkt_type = 0; + ieee802154_rx(&local->hw, skb); + break; + default: + WARN(1, "mac802154: Packet is of unknown type %d\n", + skb->pkt_type); + kfree_skb(skb); + break; + } + } +} + +struct ieee802154_hw * +ieee802154_alloc_hw(size_t priv_data_len, const struct ieee802154_ops *ops) +{ + struct wpan_phy *phy; + struct ieee802154_local *local; + size_t priv_size; + + if (!ops || !(ops->xmit_async || ops->xmit_sync) || !ops->ed || + !ops->start || !ops->stop || !ops->set_channel) { + pr_err("undefined IEEE802.15.4 device operations\n"); + return NULL; + } + + /* Ensure 32-byte alignment of our private data and hw private data. + * We use the wpan_phy priv data for both our ieee802154_local and for + * the driver's private data + * + * in memory it'll be like this: + * + * +-------------------------+ + * | struct wpan_phy | + * +-------------------------+ + * | struct ieee802154_local | + * +-------------------------+ + * | driver's private data | + * +-------------------------+ + * + * Due to ieee802154 layer isn't aware of driver and MAC structures, + * so lets align them here. + */ + + priv_size = ALIGN(sizeof(*local), NETDEV_ALIGN) + priv_data_len; + + phy = wpan_phy_alloc(priv_size); + if (!phy) { + pr_err("failure to allocate master IEEE802.15.4 device\n"); + return NULL; + } + + local = wpan_phy_priv(phy); + local->phy = phy; + local->hw.phy = local->phy; + local->hw.priv = (char *)local + ALIGN(sizeof(*local), NETDEV_ALIGN); + local->ops = ops; + + INIT_LIST_HEAD(&local->interfaces); + mutex_init(&local->iflist_mtx); + + tasklet_init(&local->tasklet, + ieee802154_tasklet_handler, + (unsigned long)local); + + skb_queue_head_init(&local->skb_queue); + + return &local->hw; +} +EXPORT_SYMBOL(ieee802154_alloc_hw); + +void ieee802154_free_hw(struct ieee802154_hw *hw) +{ + struct ieee802154_local *local = hw_to_local(hw); + + BUG_ON(!list_empty(&local->interfaces)); + + mutex_destroy(&local->iflist_mtx); + + wpan_phy_free(local->phy); +} +EXPORT_SYMBOL(ieee802154_free_hw); + +int ieee802154_register_hw(struct ieee802154_hw *hw) +{ + struct ieee802154_local *local = hw_to_local(hw); + int rc = -ENOSYS; + + local->workqueue = + create_singlethread_workqueue(wpan_phy_name(local->phy)); + if (!local->workqueue) { + rc = -ENOMEM; + goto out; + } + + wpan_phy_set_dev(local->phy, local->hw.parent); + + local->phy->add_iface = mac802154_add_iface; + local->phy->del_iface = mac802154_del_iface; + + rc = wpan_phy_register(local->phy); + if (rc < 0) + goto out_wq; + + return 0; + +out_wq: + destroy_workqueue(local->workqueue); +out: + return rc; +} +EXPORT_SYMBOL(ieee802154_register_hw); + +void ieee802154_unregister_hw(struct ieee802154_hw *hw) +{ + struct ieee802154_local *local = hw_to_local(hw); + struct ieee802154_sub_if_data *sdata, *next; + + tasklet_kill(&local->tasklet); + flush_workqueue(local->workqueue); + destroy_workqueue(local->workqueue); + + rtnl_lock(); + + list_for_each_entry_safe(sdata, next, &local->interfaces, list) { + mutex_lock(&sdata->local->iflist_mtx); + list_del(&sdata->list); + mutex_unlock(&sdata->local->iflist_mtx); + + unregister_netdevice(sdata->dev); + } + + rtnl_unlock(); + + wpan_phy_unregister(local->phy); +} +EXPORT_SYMBOL(ieee802154_unregister_hw); + +MODULE_DESCRIPTION("IEEE 802.15.4 implementation"); +MODULE_LICENSE("GPL v2"); diff --git a/net/mac802154/mib.c b/net/mac802154/mib.c index 868a040..0184fce 100644 --- a/net/mac802154/mib.c +++ b/net/mac802154/mib.c @@ -10,10 +10,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * * Written by: * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> * Sergey Lapin <slapin@ossfans.org> @@ -25,14 +21,10 @@ #include <net/mac802154.h> #include <net/ieee802154_netdev.h> -#include <net/wpan-phy.h> - -#include "mac802154.h" +#include <net/cfg802154.h> -struct phy_chan_notify_work { - struct work_struct work; - struct net_device *dev; -}; +#include "ieee802154_i.h" +#include "driver-ops.h" struct hw_addr_filt_notify_work { struct work_struct work; @@ -40,25 +32,24 @@ struct hw_addr_filt_notify_work { unsigned long changed; }; -static struct mac802154_priv *mac802154_slave_get_priv(struct net_device *dev) +static struct ieee802154_local *mac802154_slave_get_priv(struct net_device *dev) { - struct mac802154_sub_if_data *priv = netdev_priv(dev); + struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); BUG_ON(dev->type != ARPHRD_IEEE802154); - return priv->hw; + return sdata->local; } static void hw_addr_notify(struct work_struct *work) { struct hw_addr_filt_notify_work *nw = container_of(work, struct hw_addr_filt_notify_work, work); - struct mac802154_priv *hw = mac802154_slave_get_priv(nw->dev); + struct ieee802154_local *local = mac802154_slave_get_priv(nw->dev); int res; - res = hw->ops->set_hw_addr_filt(&hw->hw, - &hw->hw.hw_filt, - nw->changed); + res = local->ops->set_hw_addr_filt(&local->hw, &local->hw.hw_filt, + nw->changed); if (res) pr_debug("failed changed mask %lx\n", nw->changed); @@ -67,7 +58,7 @@ static void hw_addr_notify(struct work_struct *work) static void set_hw_addr_filt(struct net_device *dev, unsigned long changed) { - struct mac802154_sub_if_data *priv = netdev_priv(dev); + struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); struct hw_addr_filt_notify_work *work; work = kzalloc(sizeof(*work), GFP_ATOMIC); @@ -77,141 +68,110 @@ static void set_hw_addr_filt(struct net_device *dev, unsigned long changed) INIT_WORK(&work->work, hw_addr_notify); work->dev = dev; work->changed = changed; - queue_work(priv->hw->dev_workqueue, &work->work); + queue_work(sdata->local->workqueue, &work->work); } void mac802154_dev_set_short_addr(struct net_device *dev, __le16 val) { - struct mac802154_sub_if_data *priv = netdev_priv(dev); + struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); BUG_ON(dev->type != ARPHRD_IEEE802154); - spin_lock_bh(&priv->mib_lock); - priv->short_addr = val; - spin_unlock_bh(&priv->mib_lock); + spin_lock_bh(&sdata->mib_lock); + sdata->short_addr = val; + spin_unlock_bh(&sdata->mib_lock); - if ((priv->hw->ops->set_hw_addr_filt) && - (priv->hw->hw.hw_filt.short_addr != priv->short_addr)) { - priv->hw->hw.hw_filt.short_addr = priv->short_addr; - set_hw_addr_filt(dev, IEEE802515_AFILT_SADDR_CHANGED); + if ((sdata->local->ops->set_hw_addr_filt) && + (sdata->local->hw.hw_filt.short_addr != sdata->short_addr)) { + sdata->local->hw.hw_filt.short_addr = sdata->short_addr; + set_hw_addr_filt(dev, IEEE802154_AFILT_SADDR_CHANGED); } } __le16 mac802154_dev_get_short_addr(const struct net_device *dev) { - struct mac802154_sub_if_data *priv = netdev_priv(dev); + struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); __le16 ret; BUG_ON(dev->type != ARPHRD_IEEE802154); - spin_lock_bh(&priv->mib_lock); - ret = priv->short_addr; - spin_unlock_bh(&priv->mib_lock); + spin_lock_bh(&sdata->mib_lock); + ret = sdata->short_addr; + spin_unlock_bh(&sdata->mib_lock); return ret; } void mac802154_dev_set_ieee_addr(struct net_device *dev) { - struct mac802154_sub_if_data *priv = netdev_priv(dev); - struct mac802154_priv *mac = priv->hw; + struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); + struct ieee802154_local *local = sdata->local; - priv->extended_addr = ieee802154_devaddr_from_raw(dev->dev_addr); + sdata->extended_addr = ieee802154_devaddr_from_raw(dev->dev_addr); - if (mac->ops->set_hw_addr_filt && - mac->hw.hw_filt.ieee_addr != priv->extended_addr) { - mac->hw.hw_filt.ieee_addr = priv->extended_addr; - set_hw_addr_filt(dev, IEEE802515_AFILT_IEEEADDR_CHANGED); + if (local->ops->set_hw_addr_filt && + local->hw.hw_filt.ieee_addr != sdata->extended_addr) { + local->hw.hw_filt.ieee_addr = sdata->extended_addr; + set_hw_addr_filt(dev, IEEE802154_AFILT_IEEEADDR_CHANGED); } } __le16 mac802154_dev_get_pan_id(const struct net_device *dev) { - struct mac802154_sub_if_data *priv = netdev_priv(dev); + struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); __le16 ret; BUG_ON(dev->type != ARPHRD_IEEE802154); - spin_lock_bh(&priv->mib_lock); - ret = priv->pan_id; - spin_unlock_bh(&priv->mib_lock); + spin_lock_bh(&sdata->mib_lock); + ret = sdata->pan_id; + spin_unlock_bh(&sdata->mib_lock); return ret; } void mac802154_dev_set_pan_id(struct net_device *dev, __le16 val) { - struct mac802154_sub_if_data *priv = netdev_priv(dev); + struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); BUG_ON(dev->type != ARPHRD_IEEE802154); - spin_lock_bh(&priv->mib_lock); - priv->pan_id = val; - spin_unlock_bh(&priv->mib_lock); + spin_lock_bh(&sdata->mib_lock); + sdata->pan_id = val; + spin_unlock_bh(&sdata->mib_lock); - if ((priv->hw->ops->set_hw_addr_filt) && - (priv->hw->hw.hw_filt.pan_id != priv->pan_id)) { - priv->hw->hw.hw_filt.pan_id = priv->pan_id; - set_hw_addr_filt(dev, IEEE802515_AFILT_PANID_CHANGED); + if ((sdata->local->ops->set_hw_addr_filt) && + (sdata->local->hw.hw_filt.pan_id != sdata->pan_id)) { + sdata->local->hw.hw_filt.pan_id = sdata->pan_id; + set_hw_addr_filt(dev, IEEE802154_AFILT_PANID_CHANGED); } } u8 mac802154_dev_get_dsn(const struct net_device *dev) { - struct mac802154_sub_if_data *priv = netdev_priv(dev); + struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); BUG_ON(dev->type != ARPHRD_IEEE802154); - return priv->dsn++; -} - -static void phy_chan_notify(struct work_struct *work) -{ - struct phy_chan_notify_work *nw = container_of(work, - struct phy_chan_notify_work, work); - struct mac802154_priv *hw = mac802154_slave_get_priv(nw->dev); - struct mac802154_sub_if_data *priv = netdev_priv(nw->dev); - int res; - - mutex_lock(&priv->hw->phy->pib_lock); - res = hw->ops->set_channel(&hw->hw, priv->page, priv->chan); - if (res) { - pr_debug("set_channel failed\n"); - } else { - priv->hw->phy->current_channel = priv->chan; - priv->hw->phy->current_page = priv->page; - } - mutex_unlock(&priv->hw->phy->pib_lock); - - kfree(nw); + return sdata->dsn++; } void mac802154_dev_set_page_channel(struct net_device *dev, u8 page, u8 chan) { - struct mac802154_sub_if_data *priv = netdev_priv(dev); - struct phy_chan_notify_work *work; + struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); + struct ieee802154_local *local = sdata->local; + int res; BUG_ON(dev->type != ARPHRD_IEEE802154); - spin_lock_bh(&priv->mib_lock); - priv->page = page; - priv->chan = chan; - spin_unlock_bh(&priv->mib_lock); - - mutex_lock(&priv->hw->phy->pib_lock); - if (priv->hw->phy->current_channel != priv->chan || - priv->hw->phy->current_page != priv->page) { - mutex_unlock(&priv->hw->phy->pib_lock); - - work = kzalloc(sizeof(*work), GFP_ATOMIC); - if (!work) - return; - - INIT_WORK(&work->work, phy_chan_notify); - work->dev = dev; - queue_work(priv->hw->dev_workqueue, &work->work); + res = drv_set_channel(local, page, chan); + if (res) { + pr_debug("set_channel failed\n"); } else { - mutex_unlock(&priv->hw->phy->pib_lock); + mutex_lock(&local->phy->pib_lock); + local->phy->current_channel = chan; + local->phy->current_page = page; + mutex_unlock(&local->phy->pib_lock); } } @@ -219,14 +179,14 @@ void mac802154_dev_set_page_channel(struct net_device *dev, u8 page, u8 chan) int mac802154_get_params(struct net_device *dev, struct ieee802154_llsec_params *params) { - struct mac802154_sub_if_data *priv = netdev_priv(dev); + struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); int res; BUG_ON(dev->type != ARPHRD_IEEE802154); - mutex_lock(&priv->sec_mtx); - res = mac802154_llsec_get_params(&priv->sec, params); - mutex_unlock(&priv->sec_mtx); + mutex_lock(&sdata->sec_mtx); + res = mac802154_llsec_get_params(&sdata->sec, params); + mutex_unlock(&sdata->sec_mtx); return res; } @@ -235,14 +195,14 @@ int mac802154_set_params(struct net_device *dev, const struct ieee802154_llsec_params *params, int changed) { - struct mac802154_sub_if_data *priv = netdev_priv(dev); + struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); int res; BUG_ON(dev->type != ARPHRD_IEEE802154); - mutex_lock(&priv->sec_mtx); - res = mac802154_llsec_set_params(&priv->sec, params, changed); - mutex_unlock(&priv->sec_mtx); + mutex_lock(&sdata->sec_mtx); + res = mac802154_llsec_set_params(&sdata->sec, params, changed); + mutex_unlock(&sdata->sec_mtx); return res; } @@ -252,14 +212,14 @@ int mac802154_add_key(struct net_device *dev, const struct ieee802154_llsec_key_id *id, const struct ieee802154_llsec_key *key) { - struct mac802154_sub_if_data *priv = netdev_priv(dev); + struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); int res; BUG_ON(dev->type != ARPHRD_IEEE802154); - mutex_lock(&priv->sec_mtx); - res = mac802154_llsec_key_add(&priv->sec, id, key); - mutex_unlock(&priv->sec_mtx); + mutex_lock(&sdata->sec_mtx); + res = mac802154_llsec_key_add(&sdata->sec, id, key); + mutex_unlock(&sdata->sec_mtx); return res; } @@ -267,14 +227,14 @@ int mac802154_add_key(struct net_device *dev, int mac802154_del_key(struct net_device *dev, const struct ieee802154_llsec_key_id *id) { - struct mac802154_sub_if_data *priv = netdev_priv(dev); + struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); int res; BUG_ON(dev->type != ARPHRD_IEEE802154); - mutex_lock(&priv->sec_mtx); - res = mac802154_llsec_key_del(&priv->sec, id); - mutex_unlock(&priv->sec_mtx); + mutex_lock(&sdata->sec_mtx); + res = mac802154_llsec_key_del(&sdata->sec, id); + mutex_unlock(&sdata->sec_mtx); return res; } @@ -283,28 +243,28 @@ int mac802154_del_key(struct net_device *dev, int mac802154_add_dev(struct net_device *dev, const struct ieee802154_llsec_device *llsec_dev) { - struct mac802154_sub_if_data *priv = netdev_priv(dev); + struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); int res; BUG_ON(dev->type != ARPHRD_IEEE802154); - mutex_lock(&priv->sec_mtx); - res = mac802154_llsec_dev_add(&priv->sec, llsec_dev); - mutex_unlock(&priv->sec_mtx); + mutex_lock(&sdata->sec_mtx); + res = mac802154_llsec_dev_add(&sdata->sec, llsec_dev); + mutex_unlock(&sdata->sec_mtx); return res; } int mac802154_del_dev(struct net_device *dev, __le64 dev_addr) { - struct mac802154_sub_if_data *priv = netdev_priv(dev); + struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); int res; BUG_ON(dev->type != ARPHRD_IEEE802154); - mutex_lock(&priv->sec_mtx); - res = mac802154_llsec_dev_del(&priv->sec, dev_addr); - mutex_unlock(&priv->sec_mtx); + mutex_lock(&sdata->sec_mtx); + res = mac802154_llsec_dev_del(&sdata->sec, dev_addr); + mutex_unlock(&sdata->sec_mtx); return res; } @@ -314,14 +274,14 @@ int mac802154_add_devkey(struct net_device *dev, __le64 device_addr, const struct ieee802154_llsec_device_key *key) { - struct mac802154_sub_if_data *priv = netdev_priv(dev); + struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); int res; BUG_ON(dev->type != ARPHRD_IEEE802154); - mutex_lock(&priv->sec_mtx); - res = mac802154_llsec_devkey_add(&priv->sec, device_addr, key); - mutex_unlock(&priv->sec_mtx); + mutex_lock(&sdata->sec_mtx); + res = mac802154_llsec_devkey_add(&sdata->sec, device_addr, key); + mutex_unlock(&sdata->sec_mtx); return res; } @@ -330,14 +290,14 @@ int mac802154_del_devkey(struct net_device *dev, __le64 device_addr, const struct ieee802154_llsec_device_key *key) { - struct mac802154_sub_if_data *priv = netdev_priv(dev); + struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); int res; BUG_ON(dev->type != ARPHRD_IEEE802154); - mutex_lock(&priv->sec_mtx); - res = mac802154_llsec_devkey_del(&priv->sec, device_addr, key); - mutex_unlock(&priv->sec_mtx); + mutex_lock(&sdata->sec_mtx); + res = mac802154_llsec_devkey_del(&sdata->sec, device_addr, key); + mutex_unlock(&sdata->sec_mtx); return res; } @@ -346,14 +306,14 @@ int mac802154_del_devkey(struct net_device *dev, int mac802154_add_seclevel(struct net_device *dev, const struct ieee802154_llsec_seclevel *sl) { - struct mac802154_sub_if_data *priv = netdev_priv(dev); + struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); int res; BUG_ON(dev->type != ARPHRD_IEEE802154); - mutex_lock(&priv->sec_mtx); - res = mac802154_llsec_seclevel_add(&priv->sec, sl); - mutex_unlock(&priv->sec_mtx); + mutex_lock(&sdata->sec_mtx); + res = mac802154_llsec_seclevel_add(&sdata->sec, sl); + mutex_unlock(&sdata->sec_mtx); return res; } @@ -361,14 +321,14 @@ int mac802154_add_seclevel(struct net_device *dev, int mac802154_del_seclevel(struct net_device *dev, const struct ieee802154_llsec_seclevel *sl) { - struct mac802154_sub_if_data *priv = netdev_priv(dev); + struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); int res; BUG_ON(dev->type != ARPHRD_IEEE802154); - mutex_lock(&priv->sec_mtx); - res = mac802154_llsec_seclevel_del(&priv->sec, sl); - mutex_unlock(&priv->sec_mtx); + mutex_lock(&sdata->sec_mtx); + res = mac802154_llsec_seclevel_del(&sdata->sec, sl); + mutex_unlock(&sdata->sec_mtx); return res; } @@ -376,28 +336,28 @@ int mac802154_del_seclevel(struct net_device *dev, void mac802154_lock_table(struct net_device *dev) { - struct mac802154_sub_if_data *priv = netdev_priv(dev); + struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); BUG_ON(dev->type != ARPHRD_IEEE802154); - mutex_lock(&priv->sec_mtx); + mutex_lock(&sdata->sec_mtx); } void mac802154_get_table(struct net_device *dev, struct ieee802154_llsec_table **t) { - struct mac802154_sub_if_data *priv = netdev_priv(dev); + struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); BUG_ON(dev->type != ARPHRD_IEEE802154); - *t = &priv->sec.table; + *t = &sdata->sec.table; } void mac802154_unlock_table(struct net_device *dev) { - struct mac802154_sub_if_data *priv = netdev_priv(dev); + struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); BUG_ON(dev->type != ARPHRD_IEEE802154); - mutex_unlock(&priv->sec_mtx); + mutex_unlock(&sdata->sec_mtx); } diff --git a/net/mac802154/monitor.c b/net/mac802154/monitor.c deleted file mode 100644 index a68230e..0000000 --- a/net/mac802154/monitor.c +++ /dev/null @@ -1,117 +0,0 @@ -/* - * Copyright 2007, 2008, 2009 Siemens AG - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * - * Written by: - * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> - * Sergey Lapin <slapin@ossfans.org> - * Maxim Gorbachyov <maxim.gorbachev@siemens.com> - * Alexander Smirnov <alex.bluesman.smirnov@gmail.com> - */ - -#include <linux/netdevice.h> -#include <linux/skbuff.h> -#include <linux/if_arp.h> -#include <linux/crc-ccitt.h> - -#include <net/ieee802154.h> -#include <net/mac802154.h> -#include <net/netlink.h> -#include <net/wpan-phy.h> -#include <linux/nl802154.h> - -#include "mac802154.h" - -static netdev_tx_t mac802154_monitor_xmit(struct sk_buff *skb, - struct net_device *dev) -{ - struct mac802154_sub_if_data *priv; - u8 chan, page; - - priv = netdev_priv(dev); - - /* FIXME: locking */ - chan = priv->hw->phy->current_channel; - page = priv->hw->phy->current_page; - - if (chan == MAC802154_CHAN_NONE) /* not initialized */ - return NETDEV_TX_OK; - - if (WARN_ON(page >= WPAN_NUM_PAGES) || - WARN_ON(chan >= WPAN_NUM_CHANNELS)) - return NETDEV_TX_OK; - - skb->skb_iif = dev->ifindex; - dev->stats.tx_packets++; - dev->stats.tx_bytes += skb->len; - - return mac802154_tx(priv->hw, skb, page, chan); -} - - -void mac802154_monitors_rx(struct mac802154_priv *priv, struct sk_buff *skb) -{ - struct sk_buff *skb2; - struct mac802154_sub_if_data *sdata; - u16 crc = crc_ccitt(0, skb->data, skb->len); - u8 *data; - - rcu_read_lock(); - list_for_each_entry_rcu(sdata, &priv->slaves, list) { - if (sdata->type != IEEE802154_DEV_MONITOR || - !netif_running(sdata->dev)) - continue; - - skb2 = skb_clone(skb, GFP_ATOMIC); - skb2->dev = sdata->dev; - skb2->pkt_type = PACKET_HOST; - data = skb_put(skb2, 2); - data[0] = crc & 0xff; - data[1] = crc >> 8; - - netif_rx_ni(skb2); - } - rcu_read_unlock(); -} - -static const struct net_device_ops mac802154_monitor_ops = { - .ndo_open = mac802154_slave_open, - .ndo_stop = mac802154_slave_close, - .ndo_start_xmit = mac802154_monitor_xmit, -}; - -void mac802154_monitor_setup(struct net_device *dev) -{ - struct mac802154_sub_if_data *priv; - - dev->addr_len = 0; - dev->hard_header_len = 0; - dev->needed_tailroom = 2; /* room for FCS */ - dev->mtu = IEEE802154_MTU; - dev->tx_queue_len = 10; - dev->type = ARPHRD_IEEE802154_MONITOR; - dev->flags = IFF_NOARP | IFF_BROADCAST; - dev->watchdog_timeo = 0; - - dev->destructor = free_netdev; - dev->netdev_ops = &mac802154_monitor_ops; - dev->ml_priv = &mac802154_mlme_reduced; - - priv = netdev_priv(dev); - priv->type = IEEE802154_DEV_MONITOR; - - priv->chan = MAC802154_CHAN_NONE; /* not initialized */ - priv->page = 0; -} diff --git a/net/mac802154/rx.c b/net/mac802154/rx.c index a14cf9e..95961cc 100644 --- a/net/mac802154/rx.c +++ b/net/mac802154/rx.c @@ -10,10 +10,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * * Written by: * Pavel Smolenskiy <pavel.smolenskiy@gmail.com> * Maxim Gorbachyov <maxim.gorbachev@siemens.com> @@ -23,92 +19,285 @@ #include <linux/kernel.h> #include <linux/module.h> -#include <linux/workqueue.h> #include <linux/netdevice.h> #include <linux/crc-ccitt.h> +#include <asm/unaligned.h> #include <net/mac802154.h> #include <net/ieee802154_netdev.h> +#include <net/rtnetlink.h> +#include <linux/nl802154.h> -#include "mac802154.h" +#include "ieee802154_i.h" -/* The IEEE 802.15.4 standard defines 4 MAC packet types: - * - beacon frame - * - MAC command frame - * - acknowledgement frame - * - data frame - * - * and only the data frame should be pushed to the upper layers, other types - * are just internal MAC layer management information. So only data packets - * are going to be sent to the networking queue, all other will be processed - * right here by using the device workqueue. - */ -struct rx_work { - struct sk_buff *skb; - struct work_struct work; - struct ieee802154_dev *dev; - u8 lqi; -}; +static int ieee802154_deliver_skb(struct sk_buff *skb) +{ + skb->ip_summed = CHECKSUM_UNNECESSARY; + skb->protocol = htons(ETH_P_IEEE802154); -static void -mac802154_subif_rx(struct ieee802154_dev *hw, struct sk_buff *skb, u8 lqi) + return netif_receive_skb(skb); +} + +static int +ieee802154_subif_frame(struct ieee802154_sub_if_data *sdata, + struct sk_buff *skb, const struct ieee802154_hdr *hdr) { - struct mac802154_priv *priv = mac802154_to_priv(hw); + __le16 span, sshort; + int rc; - mac_cb(skb)->lqi = lqi; - skb->protocol = htons(ETH_P_IEEE802154); - skb_reset_mac_header(skb); + pr_debug("getting packet via slave interface %s\n", sdata->dev->name); - if (!(priv->hw.flags & IEEE802154_HW_OMIT_CKSUM)) { - u16 crc; + spin_lock_bh(&sdata->mib_lock); - if (skb->len < 2) { - pr_debug("got invalid frame\n"); - goto fail; - } - crc = crc_ccitt(0, skb->data, skb->len); - if (crc) { - pr_debug("CRC mismatch\n"); - goto fail; - } - skb_trim(skb, skb->len - 2); /* CRC */ + span = sdata->pan_id; + sshort = sdata->short_addr; + + switch (mac_cb(skb)->dest.mode) { + case IEEE802154_ADDR_NONE: + if (mac_cb(skb)->dest.mode != IEEE802154_ADDR_NONE) + /* FIXME: check if we are PAN coordinator */ + skb->pkt_type = PACKET_OTHERHOST; + else + /* ACK comes with both addresses empty */ + skb->pkt_type = PACKET_HOST; + break; + case IEEE802154_ADDR_LONG: + if (mac_cb(skb)->dest.pan_id != span && + mac_cb(skb)->dest.pan_id != cpu_to_le16(IEEE802154_PANID_BROADCAST)) + skb->pkt_type = PACKET_OTHERHOST; + else if (mac_cb(skb)->dest.extended_addr == sdata->extended_addr) + skb->pkt_type = PACKET_HOST; + else + skb->pkt_type = PACKET_OTHERHOST; + break; + case IEEE802154_ADDR_SHORT: + if (mac_cb(skb)->dest.pan_id != span && + mac_cb(skb)->dest.pan_id != cpu_to_le16(IEEE802154_PANID_BROADCAST)) + skb->pkt_type = PACKET_OTHERHOST; + else if (mac_cb(skb)->dest.short_addr == sshort) + skb->pkt_type = PACKET_HOST; + else if (mac_cb(skb)->dest.short_addr == + cpu_to_le16(IEEE802154_ADDR_BROADCAST)) + skb->pkt_type = PACKET_BROADCAST; + else + skb->pkt_type = PACKET_OTHERHOST; + break; + default: + spin_unlock_bh(&sdata->mib_lock); + pr_debug("invalid dest mode\n"); + kfree_skb(skb); + return NET_RX_DROP; } - mac802154_monitors_rx(priv, skb); - mac802154_wpans_rx(priv, skb); + spin_unlock_bh(&sdata->mib_lock); - return; + skb->dev = sdata->dev; + + rc = mac802154_llsec_decrypt(&sdata->sec, skb); + if (rc) { + pr_debug("decryption failed: %i\n", rc); + goto fail; + } + + sdata->dev->stats.rx_packets++; + sdata->dev->stats.rx_bytes += skb->len; + + switch (mac_cb(skb)->type) { + case IEEE802154_FC_TYPE_DATA: + return ieee802154_deliver_skb(skb); + default: + pr_warn("ieee802154: bad frame received (type = %d)\n", + mac_cb(skb)->type); + goto fail; + } fail: kfree_skb(skb); + return NET_RX_DROP; } -static void mac802154_rx_worker(struct work_struct *work) +static void +ieee802154_print_addr(const char *name, const struct ieee802154_addr *addr) { - struct rx_work *rw = container_of(work, struct rx_work, work); + if (addr->mode == IEEE802154_ADDR_NONE) + pr_debug("%s not present\n", name); + + pr_debug("%s PAN ID: %04x\n", name, le16_to_cpu(addr->pan_id)); + if (addr->mode == IEEE802154_ADDR_SHORT) { + pr_debug("%s is short: %04x\n", name, + le16_to_cpu(addr->short_addr)); + } else { + u64 hw = swab64((__force u64)addr->extended_addr); - mac802154_subif_rx(rw->dev, rw->skb, rw->lqi); - kfree(rw); + pr_debug("%s is hardware: %8phC\n", name, &hw); + } } -void -ieee802154_rx_irqsafe(struct ieee802154_dev *dev, struct sk_buff *skb, u8 lqi) +static int +ieee802154_parse_frame_start(struct sk_buff *skb, struct ieee802154_hdr *hdr) { - struct mac802154_priv *priv = mac802154_to_priv(dev); - struct rx_work *work; + int hlen; + struct ieee802154_mac_cb *cb = mac_cb_init(skb); - if (!skb) - return; + skb_reset_mac_header(skb); + + hlen = ieee802154_hdr_pull(skb, hdr); + if (hlen < 0) + return -EINVAL; + + skb->mac_len = hlen; + + pr_debug("fc: %04x dsn: %02x\n", le16_to_cpup((__le16 *)&hdr->fc), + hdr->seq); + + cb->type = hdr->fc.type; + cb->ackreq = hdr->fc.ack_request; + cb->secen = hdr->fc.security_enabled; + + ieee802154_print_addr("destination", &hdr->dest); + ieee802154_print_addr("source", &hdr->source); + + cb->source = hdr->source; + cb->dest = hdr->dest; + + if (hdr->fc.security_enabled) { + u64 key; + + pr_debug("seclevel %i\n", hdr->sec.level); + + switch (hdr->sec.key_id_mode) { + case IEEE802154_SCF_KEY_IMPLICIT: + pr_debug("implicit key\n"); + break; + + case IEEE802154_SCF_KEY_INDEX: + pr_debug("key %02x\n", hdr->sec.key_id); + break; + + case IEEE802154_SCF_KEY_SHORT_INDEX: + pr_debug("key %04x:%04x %02x\n", + le32_to_cpu(hdr->sec.short_src) >> 16, + le32_to_cpu(hdr->sec.short_src) & 0xffff, + hdr->sec.key_id); + break; + + case IEEE802154_SCF_KEY_HW_INDEX: + key = swab64((__force u64)hdr->sec.extended_src); + pr_debug("key source %8phC %02x\n", &key, + hdr->sec.key_id); + break; + } + } + + return 0; +} + +static void +__ieee802154_rx_handle_packet(struct ieee802154_local *local, + struct sk_buff *skb) +{ + int ret; + struct ieee802154_sub_if_data *sdata; + struct ieee802154_hdr hdr; - work = kzalloc(sizeof(*work), GFP_ATOMIC); - if (!work) + ret = ieee802154_parse_frame_start(skb, &hdr); + if (ret) { + pr_debug("got invalid frame\n"); + kfree_skb(skb); return; + } + + list_for_each_entry_rcu(sdata, &local->interfaces, list) { + if (sdata->type != IEEE802154_DEV_WPAN || + !netif_running(sdata->dev)) + continue; + + ieee802154_subif_frame(sdata, skb, &hdr); + skb = NULL; + break; + } + + if (skb) + kfree_skb(skb); +} + +static void +ieee802154_monitors_rx(struct ieee802154_local *local, struct sk_buff *skb) +{ + struct sk_buff *skb2; + struct ieee802154_sub_if_data *sdata; + + skb_reset_mac_header(skb); + skb->ip_summed = CHECKSUM_UNNECESSARY; + skb->pkt_type = PACKET_OTHERHOST; + skb->protocol = htons(ETH_P_IEEE802154); + + list_for_each_entry_rcu(sdata, &local->interfaces, list) { + if (sdata->type != IEEE802154_DEV_MONITOR) + continue; + + if (!ieee802154_sdata_running(sdata)) + continue; + + skb2 = skb_clone(skb, GFP_ATOMIC); + if (skb2) { + skb2->dev = sdata->dev; + ieee802154_deliver_skb(skb2); + + sdata->dev->stats.rx_packets++; + sdata->dev->stats.rx_bytes += skb->len; + } + } +} + +void ieee802154_rx(struct ieee802154_hw *hw, struct sk_buff *skb) +{ + struct ieee802154_local *local = hw_to_local(hw); + u16 crc; - INIT_WORK(&work->work, mac802154_rx_worker); - work->skb = skb; - work->dev = dev; - work->lqi = lqi; + WARN_ON_ONCE(softirq_count() == 0); - queue_work(priv->dev_workqueue, &work->work); + /* TODO: When a transceiver omits the checksum here, we + * add an own calculated one. This is currently an ugly + * solution because the monitor needs a crc here. + */ + if (local->hw.flags & IEEE802154_HW_RX_OMIT_CKSUM) { + crc = crc_ccitt(0, skb->data, skb->len); + put_unaligned_le16(crc, skb_put(skb, 2)); + } + + rcu_read_lock(); + + ieee802154_monitors_rx(local, skb); + + /* Check if transceiver doesn't validate the checksum. + * If not we validate the checksum here. + */ + if (local->hw.flags & IEEE802154_HW_RX_DROP_BAD_CKSUM) { + crc = crc_ccitt(0, skb->data, skb->len); + if (crc) { + rcu_read_unlock(); + kfree_skb(skb); + return; + } + } + /* remove crc */ + skb_trim(skb, skb->len - 2); + + __ieee802154_rx_handle_packet(local, skb); + + rcu_read_unlock(); +} +EXPORT_SYMBOL(ieee802154_rx); + +void +ieee802154_rx_irqsafe(struct ieee802154_hw *hw, struct sk_buff *skb, u8 lqi) +{ + struct ieee802154_local *local = hw_to_local(hw); + + mac_cb(skb)->lqi = lqi; + skb->pkt_type = IEEE802154_RX_MSG; + skb_queue_tail(&local->skb_queue, skb); + tasklet_schedule(&local->tasklet); } EXPORT_SYMBOL(ieee802154_rx_irqsafe); diff --git a/net/mac802154/tx.c b/net/mac802154/tx.c index fdf4c0e6..cc37b77 100644 --- a/net/mac802154/tx.c +++ b/net/mac802154/tx.c @@ -10,10 +10,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * * Written by: * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> * Sergey Lapin <slapin@ossfans.org> @@ -24,106 +20,98 @@ #include <linux/netdevice.h> #include <linux/if_arp.h> #include <linux/crc-ccitt.h> +#include <asm/unaligned.h> +#include <net/rtnetlink.h> #include <net/ieee802154_netdev.h> #include <net/mac802154.h> -#include <net/wpan-phy.h> +#include <net/cfg802154.h> -#include "mac802154.h" +#include "ieee802154_i.h" +#include "driver-ops.h" /* IEEE 802.15.4 transceivers can sleep during the xmit session, so process * packets through the workqueue. */ -struct xmit_work { +struct ieee802154_xmit_cb { struct sk_buff *skb; struct work_struct work; - struct mac802154_priv *priv; - u8 chan; - u8 page; + struct ieee802154_local *local; }; -static void mac802154_xmit_worker(struct work_struct *work) +static struct ieee802154_xmit_cb ieee802154_xmit_cb; + +static void ieee802154_xmit_worker(struct work_struct *work) { - struct xmit_work *xw = container_of(work, struct xmit_work, work); - struct mac802154_sub_if_data *sdata; + struct ieee802154_xmit_cb *cb = + container_of(work, struct ieee802154_xmit_cb, work); + struct ieee802154_local *local = cb->local; + struct sk_buff *skb = cb->skb; + struct net_device *dev = skb->dev; int res; - mutex_lock(&xw->priv->phy->pib_lock); - if (xw->priv->phy->current_channel != xw->chan || - xw->priv->phy->current_page != xw->page) { - res = xw->priv->ops->set_channel(&xw->priv->hw, - xw->page, - xw->chan); - if (res) { - pr_debug("set_channel failed\n"); - goto out; - } + rtnl_lock(); - xw->priv->phy->current_channel = xw->chan; - xw->priv->phy->current_page = xw->page; - } + /* check if ifdown occurred while schedule */ + if (!netif_running(dev)) + goto err_tx; - res = xw->priv->ops->xmit(&xw->priv->hw, xw->skb); + res = drv_xmit_sync(local, skb); if (res) - pr_debug("transmission failed\n"); + goto err_tx; -out: - mutex_unlock(&xw->priv->phy->pib_lock); + ieee802154_xmit_complete(&local->hw, skb); - /* Restart the netif queue on each sub_if_data object. */ - rcu_read_lock(); - list_for_each_entry_rcu(sdata, &xw->priv->slaves, list) - netif_wake_queue(sdata->dev); - rcu_read_unlock(); + dev->stats.tx_packets++; + dev->stats.tx_bytes += skb->len; - dev_kfree_skb(xw->skb); + rtnl_unlock(); - kfree(xw); + return; + +err_tx: + /* Restart the netif queue on each sub_if_data object. */ + ieee802154_wake_queue(&local->hw); + rtnl_unlock(); + kfree_skb(skb); + netdev_dbg(dev, "transmission failed\n"); } -netdev_tx_t mac802154_tx(struct mac802154_priv *priv, struct sk_buff *skb, - u8 page, u8 chan) +static netdev_tx_t +ieee802154_tx(struct ieee802154_local *local, struct sk_buff *skb) { - struct xmit_work *work; - struct mac802154_sub_if_data *sdata; - - if (!(priv->phy->channels_supported[page] & (1 << chan))) { - WARN_ON(1); - goto err_tx; - } - - mac802154_monitors_rx(mac802154_to_priv(&priv->hw), skb); + struct net_device *dev = skb->dev; + int ret; - if (!(priv->hw.flags & IEEE802154_HW_OMIT_CKSUM)) { + if (!(local->hw.flags & IEEE802154_HW_TX_OMIT_CKSUM)) { u16 crc = crc_ccitt(0, skb->data, skb->len); - u8 *data = skb_put(skb, 2); - data[0] = crc & 0xff; - data[1] = crc >> 8; + put_unaligned_le16(crc, skb_put(skb, 2)); } - if (skb_cow_head(skb, priv->hw.extra_tx_headroom)) + if (skb_cow_head(skb, local->hw.extra_tx_headroom)) goto err_tx; - work = kzalloc(sizeof(*work), GFP_ATOMIC); - if (!work) { - kfree_skb(skb); - return NETDEV_TX_BUSY; - } - /* Stop the netif queue on each sub_if_data object. */ - rcu_read_lock(); - list_for_each_entry_rcu(sdata, &priv->slaves, list) - netif_stop_queue(sdata->dev); - rcu_read_unlock(); + ieee802154_stop_queue(&local->hw); + + /* async is priority, otherwise sync is fallback */ + if (local->ops->xmit_async) { + ret = drv_xmit_async(local, skb); + if (ret) { + ieee802154_wake_queue(&local->hw); + goto err_tx; + } - INIT_WORK(&work->work, mac802154_xmit_worker); - work->skb = skb; - work->priv = priv; - work->page = page; - work->chan = chan; + dev->stats.tx_packets++; + dev->stats.tx_bytes += skb->len; + } else { + INIT_WORK(&ieee802154_xmit_cb.work, ieee802154_xmit_worker); + ieee802154_xmit_cb.skb = skb; + ieee802154_xmit_cb.local = local; - queue_work(priv->dev_workqueue, &work->work); + queue_work(local->workqueue, &ieee802154_xmit_cb.work); + } return NETDEV_TX_OK; @@ -131,3 +119,31 @@ err_tx: kfree_skb(skb); return NETDEV_TX_OK; } + +netdev_tx_t +ieee802154_monitor_start_xmit(struct sk_buff *skb, struct net_device *dev) +{ + struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); + + skb->skb_iif = dev->ifindex; + + return ieee802154_tx(sdata->local, skb); +} + +netdev_tx_t +ieee802154_subif_start_xmit(struct sk_buff *skb, struct net_device *dev) +{ + struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); + int rc; + + rc = mac802154_llsec_encrypt(&sdata->sec, skb); + if (rc) { + netdev_warn(dev, "encryption failed: %i\n", rc); + kfree_skb(skb); + return NETDEV_TX_OK; + } + + skb->skb_iif = dev->ifindex; + + return ieee802154_tx(sdata->local, skb); +} diff --git a/net/mac802154/util.c b/net/mac802154/util.c new file mode 100644 index 0000000..117e4ef --- /dev/null +++ b/net/mac802154/util.c @@ -0,0 +1,55 @@ +/* This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * Authors: + * Alexander Aring <aar@pengutronix.de> + * + * Based on: net/mac80211/util.c + */ + +#include "ieee802154_i.h" + +void ieee802154_wake_queue(struct ieee802154_hw *hw) +{ + struct ieee802154_local *local = hw_to_local(hw); + struct ieee802154_sub_if_data *sdata; + + rcu_read_lock(); + list_for_each_entry_rcu(sdata, &local->interfaces, list) { + if (!sdata->dev) + continue; + + netif_wake_queue(sdata->dev); + } + rcu_read_unlock(); +} +EXPORT_SYMBOL(ieee802154_wake_queue); + +void ieee802154_stop_queue(struct ieee802154_hw *hw) +{ + struct ieee802154_local *local = hw_to_local(hw); + struct ieee802154_sub_if_data *sdata; + + rcu_read_lock(); + list_for_each_entry_rcu(sdata, &local->interfaces, list) { + if (!sdata->dev) + continue; + + netif_stop_queue(sdata->dev); + } + rcu_read_unlock(); +} +EXPORT_SYMBOL(ieee802154_stop_queue); + +void ieee802154_xmit_complete(struct ieee802154_hw *hw, struct sk_buff *skb) +{ + ieee802154_wake_queue(hw); + consume_skb(skb); +} +EXPORT_SYMBOL(ieee802154_xmit_complete); diff --git a/net/mac802154/wpan.c b/net/mac802154/wpan.c deleted file mode 100644 index 4ab86a5..0000000 --- a/net/mac802154/wpan.c +++ /dev/null @@ -1,599 +0,0 @@ -/* - * Copyright 2007-2012 Siemens AG - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * - * Written by: - * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> - * Sergey Lapin <slapin@ossfans.org> - * Maxim Gorbachyov <maxim.gorbachev@siemens.com> - * Alexander Smirnov <alex.bluesman.smirnov@gmail.com> - */ - -#include <linux/netdevice.h> -#include <linux/module.h> -#include <linux/if_arp.h> - -#include <net/rtnetlink.h> -#include <linux/nl802154.h> -#include <net/af_ieee802154.h> -#include <net/mac802154.h> -#include <net/ieee802154_netdev.h> -#include <net/ieee802154.h> -#include <net/wpan-phy.h> - -#include "mac802154.h" - -static int mac802154_wpan_update_llsec(struct net_device *dev) -{ - struct mac802154_sub_if_data *priv = netdev_priv(dev); - struct ieee802154_mlme_ops *ops = ieee802154_mlme_ops(dev); - int rc = 0; - - if (ops->llsec) { - struct ieee802154_llsec_params params; - int changed = 0; - - params.pan_id = priv->pan_id; - changed |= IEEE802154_LLSEC_PARAM_PAN_ID; - - params.hwaddr = priv->extended_addr; - changed |= IEEE802154_LLSEC_PARAM_HWADDR; - - rc = ops->llsec->set_params(dev, ¶ms, changed); - } - - return rc; -} - -static int -mac802154_wpan_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) -{ - struct mac802154_sub_if_data *priv = netdev_priv(dev); - struct sockaddr_ieee802154 *sa = - (struct sockaddr_ieee802154 *)&ifr->ifr_addr; - int err = -ENOIOCTLCMD; - - spin_lock_bh(&priv->mib_lock); - - switch (cmd) { - case SIOCGIFADDR: - { - u16 pan_id, short_addr; - - pan_id = le16_to_cpu(priv->pan_id); - short_addr = le16_to_cpu(priv->short_addr); - if (pan_id == IEEE802154_PANID_BROADCAST || - short_addr == IEEE802154_ADDR_BROADCAST) { - err = -EADDRNOTAVAIL; - break; - } - - sa->family = AF_IEEE802154; - sa->addr.addr_type = IEEE802154_ADDR_SHORT; - sa->addr.pan_id = pan_id; - sa->addr.short_addr = short_addr; - - err = 0; - break; - } - case SIOCSIFADDR: - dev_warn(&dev->dev, - "Using DEBUGing ioctl SIOCSIFADDR isn't recommended!\n"); - if (sa->family != AF_IEEE802154 || - sa->addr.addr_type != IEEE802154_ADDR_SHORT || - sa->addr.pan_id == IEEE802154_PANID_BROADCAST || - sa->addr.short_addr == IEEE802154_ADDR_BROADCAST || - sa->addr.short_addr == IEEE802154_ADDR_UNDEF) { - err = -EINVAL; - break; - } - - priv->pan_id = cpu_to_le16(sa->addr.pan_id); - priv->short_addr = cpu_to_le16(sa->addr.short_addr); - - err = mac802154_wpan_update_llsec(dev); - break; - } - - spin_unlock_bh(&priv->mib_lock); - return err; -} - -static int mac802154_wpan_mac_addr(struct net_device *dev, void *p) -{ - struct sockaddr *addr = p; - - if (netif_running(dev)) - return -EBUSY; - - /* FIXME: validate addr */ - memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); - mac802154_dev_set_ieee_addr(dev); - return mac802154_wpan_update_llsec(dev); -} - -int mac802154_set_mac_params(struct net_device *dev, - const struct ieee802154_mac_params *params) -{ - struct mac802154_sub_if_data *priv = netdev_priv(dev); - - mutex_lock(&priv->hw->slaves_mtx); - priv->mac_params = *params; - mutex_unlock(&priv->hw->slaves_mtx); - - return 0; -} - -void mac802154_get_mac_params(struct net_device *dev, - struct ieee802154_mac_params *params) -{ - struct mac802154_sub_if_data *priv = netdev_priv(dev); - - mutex_lock(&priv->hw->slaves_mtx); - *params = priv->mac_params; - mutex_unlock(&priv->hw->slaves_mtx); -} - -static int mac802154_wpan_open(struct net_device *dev) -{ - int rc; - struct mac802154_sub_if_data *priv = netdev_priv(dev); - struct wpan_phy *phy = priv->hw->phy; - - rc = mac802154_slave_open(dev); - if (rc < 0) - return rc; - - mutex_lock(&phy->pib_lock); - - if (phy->set_txpower) { - rc = phy->set_txpower(phy, priv->mac_params.transmit_power); - if (rc < 0) - goto out; - } - - if (phy->set_lbt) { - rc = phy->set_lbt(phy, priv->mac_params.lbt); - if (rc < 0) - goto out; - } - - if (phy->set_cca_mode) { - rc = phy->set_cca_mode(phy, priv->mac_params.cca_mode); - if (rc < 0) - goto out; - } - - if (phy->set_cca_ed_level) { - rc = phy->set_cca_ed_level(phy, priv->mac_params.cca_ed_level); - if (rc < 0) - goto out; - } - - if (phy->set_csma_params) { - rc = phy->set_csma_params(phy, priv->mac_params.min_be, - priv->mac_params.max_be, - priv->mac_params.csma_retries); - if (rc < 0) - goto out; - } - - if (phy->set_frame_retries) { - rc = phy->set_frame_retries(phy, - priv->mac_params.frame_retries); - if (rc < 0) - goto out; - } - - mutex_unlock(&phy->pib_lock); - return 0; - -out: - mutex_unlock(&phy->pib_lock); - return rc; -} - -static int mac802154_set_header_security(struct mac802154_sub_if_data *priv, - struct ieee802154_hdr *hdr, - const struct ieee802154_mac_cb *cb) -{ - struct ieee802154_llsec_params params; - u8 level; - - mac802154_llsec_get_params(&priv->sec, ¶ms); - - if (!params.enabled && cb->secen_override && cb->secen) - return -EINVAL; - if (!params.enabled || - (cb->secen_override && !cb->secen) || - !params.out_level) - return 0; - if (cb->seclevel_override && !cb->seclevel) - return -EINVAL; - - level = cb->seclevel_override ? cb->seclevel : params.out_level; - - hdr->fc.security_enabled = 1; - hdr->sec.level = level; - hdr->sec.key_id_mode = params.out_key.mode; - if (params.out_key.mode == IEEE802154_SCF_KEY_SHORT_INDEX) - hdr->sec.short_src = params.out_key.short_source; - else if (params.out_key.mode == IEEE802154_SCF_KEY_HW_INDEX) - hdr->sec.extended_src = params.out_key.extended_source; - hdr->sec.key_id = params.out_key.id; - - return 0; -} - -static int mac802154_header_create(struct sk_buff *skb, - struct net_device *dev, - unsigned short type, - const void *daddr, - const void *saddr, - unsigned len) -{ - struct ieee802154_hdr hdr; - struct mac802154_sub_if_data *priv = netdev_priv(dev); - struct ieee802154_mac_cb *cb = mac_cb(skb); - int hlen; - - if (!daddr) - return -EINVAL; - - memset(&hdr.fc, 0, sizeof(hdr.fc)); - hdr.fc.type = cb->type; - hdr.fc.security_enabled = cb->secen; - hdr.fc.ack_request = cb->ackreq; - hdr.seq = ieee802154_mlme_ops(dev)->get_dsn(dev); - - if (mac802154_set_header_security(priv, &hdr, cb) < 0) - return -EINVAL; - - if (!saddr) { - spin_lock_bh(&priv->mib_lock); - - if (priv->short_addr == cpu_to_le16(IEEE802154_ADDR_BROADCAST) || - priv->short_addr == cpu_to_le16(IEEE802154_ADDR_UNDEF) || - priv->pan_id == cpu_to_le16(IEEE802154_PANID_BROADCAST)) { - hdr.source.mode = IEEE802154_ADDR_LONG; - hdr.source.extended_addr = priv->extended_addr; - } else { - hdr.source.mode = IEEE802154_ADDR_SHORT; - hdr.source.short_addr = priv->short_addr; - } - - hdr.source.pan_id = priv->pan_id; - - spin_unlock_bh(&priv->mib_lock); - } else { - hdr.source = *(const struct ieee802154_addr *)saddr; - } - - hdr.dest = *(const struct ieee802154_addr *)daddr; - - hlen = ieee802154_hdr_push(skb, &hdr); - if (hlen < 0) - return -EINVAL; - - skb_reset_mac_header(skb); - skb->mac_len = hlen; - - if (len > ieee802154_max_payload(&hdr)) - return -EMSGSIZE; - - return hlen; -} - -static int -mac802154_header_parse(const struct sk_buff *skb, unsigned char *haddr) -{ - struct ieee802154_hdr hdr; - struct ieee802154_addr *addr = (struct ieee802154_addr *)haddr; - - if (ieee802154_hdr_peek_addrs(skb, &hdr) < 0) { - pr_debug("malformed packet\n"); - return 0; - } - - *addr = hdr.source; - return sizeof(*addr); -} - -static netdev_tx_t -mac802154_wpan_xmit(struct sk_buff *skb, struct net_device *dev) -{ - struct mac802154_sub_if_data *priv; - u8 chan, page; - int rc; - - priv = netdev_priv(dev); - - spin_lock_bh(&priv->mib_lock); - chan = priv->chan; - page = priv->page; - spin_unlock_bh(&priv->mib_lock); - - if (chan == MAC802154_CHAN_NONE || - page >= WPAN_NUM_PAGES || - chan >= WPAN_NUM_CHANNELS) { - kfree_skb(skb); - return NETDEV_TX_OK; - } - - rc = mac802154_llsec_encrypt(&priv->sec, skb); - if (rc) { - pr_warn("encryption failed: %i\n", rc); - kfree_skb(skb); - return NETDEV_TX_OK; - } - - skb->skb_iif = dev->ifindex; - dev->stats.tx_packets++; - dev->stats.tx_bytes += skb->len; - - return mac802154_tx(priv->hw, skb, page, chan); -} - -static struct header_ops mac802154_header_ops = { - .create = mac802154_header_create, - .parse = mac802154_header_parse, -}; - -static const struct net_device_ops mac802154_wpan_ops = { - .ndo_open = mac802154_wpan_open, - .ndo_stop = mac802154_slave_close, - .ndo_start_xmit = mac802154_wpan_xmit, - .ndo_do_ioctl = mac802154_wpan_ioctl, - .ndo_set_mac_address = mac802154_wpan_mac_addr, -}; - -static void mac802154_wpan_free(struct net_device *dev) -{ - struct mac802154_sub_if_data *priv = netdev_priv(dev); - - mac802154_llsec_destroy(&priv->sec); - - free_netdev(dev); -} - -void mac802154_wpan_setup(struct net_device *dev) -{ - struct mac802154_sub_if_data *priv; - - dev->addr_len = IEEE802154_ADDR_LEN; - memset(dev->broadcast, 0xff, IEEE802154_ADDR_LEN); - - dev->hard_header_len = MAC802154_FRAME_HARD_HEADER_LEN; - dev->header_ops = &mac802154_header_ops; - dev->needed_tailroom = 2 + 16; /* FCS + MIC */ - dev->mtu = IEEE802154_MTU; - dev->tx_queue_len = 300; - dev->type = ARPHRD_IEEE802154; - dev->flags = IFF_NOARP | IFF_BROADCAST; - dev->watchdog_timeo = 0; - - dev->destructor = mac802154_wpan_free; - dev->netdev_ops = &mac802154_wpan_ops; - dev->ml_priv = &mac802154_mlme_wpan; - - priv = netdev_priv(dev); - priv->type = IEEE802154_DEV_WPAN; - - priv->chan = MAC802154_CHAN_NONE; - priv->page = 0; - - spin_lock_init(&priv->mib_lock); - mutex_init(&priv->sec_mtx); - - get_random_bytes(&priv->bsn, 1); - get_random_bytes(&priv->dsn, 1); - - /* defaults per 802.15.4-2011 */ - priv->mac_params.min_be = 3; - priv->mac_params.max_be = 5; - priv->mac_params.csma_retries = 4; - priv->mac_params.frame_retries = -1; /* for compatibility, actual default is 3 */ - - priv->pan_id = cpu_to_le16(IEEE802154_PANID_BROADCAST); - priv->short_addr = cpu_to_le16(IEEE802154_ADDR_BROADCAST); - - mac802154_llsec_init(&priv->sec); -} - -static int mac802154_process_data(struct net_device *dev, struct sk_buff *skb) -{ - return netif_rx_ni(skb); -} - -static int -mac802154_subif_frame(struct mac802154_sub_if_data *sdata, struct sk_buff *skb, - const struct ieee802154_hdr *hdr) -{ - __le16 span, sshort; - int rc; - - pr_debug("getting packet via slave interface %s\n", sdata->dev->name); - - spin_lock_bh(&sdata->mib_lock); - - span = sdata->pan_id; - sshort = sdata->short_addr; - - switch (mac_cb(skb)->dest.mode) { - case IEEE802154_ADDR_NONE: - if (mac_cb(skb)->dest.mode != IEEE802154_ADDR_NONE) - /* FIXME: check if we are PAN coordinator */ - skb->pkt_type = PACKET_OTHERHOST; - else - /* ACK comes with both addresses empty */ - skb->pkt_type = PACKET_HOST; - break; - case IEEE802154_ADDR_LONG: - if (mac_cb(skb)->dest.pan_id != span && - mac_cb(skb)->dest.pan_id != cpu_to_le16(IEEE802154_PANID_BROADCAST)) - skb->pkt_type = PACKET_OTHERHOST; - else if (mac_cb(skb)->dest.extended_addr == sdata->extended_addr) - skb->pkt_type = PACKET_HOST; - else - skb->pkt_type = PACKET_OTHERHOST; - break; - case IEEE802154_ADDR_SHORT: - if (mac_cb(skb)->dest.pan_id != span && - mac_cb(skb)->dest.pan_id != cpu_to_le16(IEEE802154_PANID_BROADCAST)) - skb->pkt_type = PACKET_OTHERHOST; - else if (mac_cb(skb)->dest.short_addr == sshort) - skb->pkt_type = PACKET_HOST; - else if (mac_cb(skb)->dest.short_addr == - cpu_to_le16(IEEE802154_ADDR_BROADCAST)) - skb->pkt_type = PACKET_BROADCAST; - else - skb->pkt_type = PACKET_OTHERHOST; - break; - default: - spin_unlock_bh(&sdata->mib_lock); - pr_debug("invalid dest mode\n"); - kfree_skb(skb); - return NET_RX_DROP; - } - - spin_unlock_bh(&sdata->mib_lock); - - skb->dev = sdata->dev; - - rc = mac802154_llsec_decrypt(&sdata->sec, skb); - if (rc) { - pr_debug("decryption failed: %i\n", rc); - goto fail; - } - - sdata->dev->stats.rx_packets++; - sdata->dev->stats.rx_bytes += skb->len; - - switch (mac_cb(skb)->type) { - case IEEE802154_FC_TYPE_DATA: - return mac802154_process_data(sdata->dev, skb); - default: - pr_warn("ieee802154: bad frame received (type = %d)\n", - mac_cb(skb)->type); - goto fail; - } - -fail: - kfree_skb(skb); - return NET_RX_DROP; -} - -static void mac802154_print_addr(const char *name, - const struct ieee802154_addr *addr) -{ - if (addr->mode == IEEE802154_ADDR_NONE) - pr_debug("%s not present\n", name); - - pr_debug("%s PAN ID: %04x\n", name, le16_to_cpu(addr->pan_id)); - if (addr->mode == IEEE802154_ADDR_SHORT) { - pr_debug("%s is short: %04x\n", name, - le16_to_cpu(addr->short_addr)); - } else { - u64 hw = swab64((__force u64) addr->extended_addr); - - pr_debug("%s is hardware: %8phC\n", name, &hw); - } -} - -static int mac802154_parse_frame_start(struct sk_buff *skb, - struct ieee802154_hdr *hdr) -{ - int hlen; - struct ieee802154_mac_cb *cb = mac_cb_init(skb); - - hlen = ieee802154_hdr_pull(skb, hdr); - if (hlen < 0) - return -EINVAL; - - skb->mac_len = hlen; - - pr_debug("fc: %04x dsn: %02x\n", le16_to_cpup((__le16 *)&hdr->fc), - hdr->seq); - - cb->type = hdr->fc.type; - cb->ackreq = hdr->fc.ack_request; - cb->secen = hdr->fc.security_enabled; - - mac802154_print_addr("destination", &hdr->dest); - mac802154_print_addr("source", &hdr->source); - - cb->source = hdr->source; - cb->dest = hdr->dest; - - if (hdr->fc.security_enabled) { - u64 key; - - pr_debug("seclevel %i\n", hdr->sec.level); - - switch (hdr->sec.key_id_mode) { - case IEEE802154_SCF_KEY_IMPLICIT: - pr_debug("implicit key\n"); - break; - - case IEEE802154_SCF_KEY_INDEX: - pr_debug("key %02x\n", hdr->sec.key_id); - break; - - case IEEE802154_SCF_KEY_SHORT_INDEX: - pr_debug("key %04x:%04x %02x\n", - le32_to_cpu(hdr->sec.short_src) >> 16, - le32_to_cpu(hdr->sec.short_src) & 0xffff, - hdr->sec.key_id); - break; - - case IEEE802154_SCF_KEY_HW_INDEX: - key = swab64((__force u64) hdr->sec.extended_src); - pr_debug("key source %8phC %02x\n", &key, - hdr->sec.key_id); - break; - } - } - - return 0; -} - -void mac802154_wpans_rx(struct mac802154_priv *priv, struct sk_buff *skb) -{ - int ret; - struct mac802154_sub_if_data *sdata; - struct ieee802154_hdr hdr; - - ret = mac802154_parse_frame_start(skb, &hdr); - if (ret) { - pr_debug("got invalid frame\n"); - kfree_skb(skb); - return; - } - - rcu_read_lock(); - list_for_each_entry_rcu(sdata, &priv->slaves, list) { - if (sdata->type != IEEE802154_DEV_WPAN || - !netif_running(sdata->dev)) - continue; - - mac802154_subif_frame(sdata, skb, &hdr); - skb = NULL; - break; - } - rcu_read_unlock(); - - if (skb) - kfree_skb(skb); -} |