diff options
author | John W. Linville <linville@tuxdriver.com> | 2011-08-22 18:28:50 (GMT) |
---|---|---|
committer | John W. Linville <linville@tuxdriver.com> | 2011-08-22 18:28:50 (GMT) |
commit | b38d355eaa223e420d0c45ff7a3279ea811552c5 (patch) | |
tree | 4a6b3341e1b8b72afdc19e3b9bfe8c40219c04aa /drivers/net/wireless/libertas | |
parent | ca1ba7caa68520864e4b9227e67f3bbc6fed373b (diff) | |
parent | af2bf4b4ee58d262a9a5c1d4ce6f81835058f8b5 (diff) | |
download | linux-fsl-qoriq-b38d355eaa223e420d0c45ff7a3279ea811552c5.tar.xz |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem
Conflicts:
drivers/staging/ath6kl/miscdrv/ar3kps/ar3kpsparser.c
drivers/staging/ath6kl/os/linux/ar6000_drv.c
Diffstat (limited to 'drivers/net/wireless/libertas')
-rw-r--r-- | drivers/net/wireless/libertas/cfg.c | 69 | ||||
-rw-r--r-- | drivers/net/wireless/libertas/cfg.h | 1 | ||||
-rw-r--r-- | drivers/net/wireless/libertas/cmd.c | 6 | ||||
-rw-r--r-- | drivers/net/wireless/libertas/decl.h | 4 | ||||
-rw-r--r-- | drivers/net/wireless/libertas/dev.h | 28 | ||||
-rw-r--r-- | drivers/net/wireless/libertas/ethtool.c | 1 | ||||
-rw-r--r-- | drivers/net/wireless/libertas/if_sdio.c | 277 | ||||
-rw-r--r-- | drivers/net/wireless/libertas/if_spi.c | 4 | ||||
-rw-r--r-- | drivers/net/wireless/libertas/if_usb.c | 13 | ||||
-rw-r--r-- | drivers/net/wireless/libertas/main.c | 180 | ||||
-rw-r--r-- | drivers/net/wireless/libertas/mesh.c | 77 | ||||
-rw-r--r-- | drivers/net/wireless/libertas/mesh.h | 27 | ||||
-rw-r--r-- | drivers/net/wireless/libertas/rx.c | 1 | ||||
-rw-r--r-- | drivers/net/wireless/libertas/tx.c | 1 |
14 files changed, 457 insertions, 232 deletions
diff --git a/drivers/net/wireless/libertas/cfg.c b/drivers/net/wireless/libertas/cfg.c index b456a53..85b3169 100644 --- a/drivers/net/wireless/libertas/cfg.c +++ b/drivers/net/wireless/libertas/cfg.c @@ -19,6 +19,7 @@ #include "decl.h" #include "cfg.h" #include "cmd.h" +#include "mesh.h" #define CHAN2G(_channel, _freq, _flags) { \ @@ -442,13 +443,16 @@ static int lbs_cfg_set_channel(struct wiphy *wiphy, struct lbs_private *priv = wiphy_priv(wiphy); int ret = -ENOTSUPP; - lbs_deb_enter_args(LBS_DEB_CFG80211, "freq %d, type %d", - channel->center_freq, channel_type); + lbs_deb_enter_args(LBS_DEB_CFG80211, "iface %s freq %d, type %d", + netdev_name(netdev), channel->center_freq, channel_type); if (channel_type != NL80211_CHAN_NO_HT) goto out; - ret = lbs_set_channel(priv, channel->hw_value); + if (netdev == priv->mesh_dev) + ret = lbs_mesh_set_channel(priv, channel->hw_value); + else + ret = lbs_set_channel(priv, channel->hw_value); out: lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret); @@ -708,7 +712,7 @@ static void lbs_scan_worker(struct work_struct *work) if (priv->scan_channel < priv->scan_req->n_channels) { cancel_delayed_work(&priv->scan_work); - if (!priv->stopping) + if (netif_running(priv->dev)) queue_delayed_work(priv->work_thread, &priv->scan_work, msecs_to_jiffies(300)); } @@ -1292,6 +1296,9 @@ static int lbs_cfg_connect(struct wiphy *wiphy, struct net_device *dev, int ret = 0; u8 preamble = RADIO_PREAMBLE_SHORT; + if (dev == priv->mesh_dev) + return -EOPNOTSUPP; + lbs_deb_enter(LBS_DEB_CFG80211); if (!sme->bssid) { @@ -1402,28 +1409,23 @@ static int lbs_cfg_connect(struct wiphy *wiphy, struct net_device *dev, return ret; } -static int lbs_cfg_disconnect(struct wiphy *wiphy, struct net_device *dev, - u16 reason_code) +int lbs_disconnect(struct lbs_private *priv, u16 reason) { - struct lbs_private *priv = wiphy_priv(wiphy); struct cmd_ds_802_11_deauthenticate cmd; - - lbs_deb_enter_args(LBS_DEB_CFG80211, "reason_code %d", reason_code); - - /* store for lbs_cfg_ret_disconnect() */ - priv->disassoc_reason = reason_code; + int ret; memset(&cmd, 0, sizeof(cmd)); cmd.hdr.size = cpu_to_le16(sizeof(cmd)); /* Mildly ugly to use a locally store my own BSSID ... */ memcpy(cmd.macaddr, &priv->assoc_bss, ETH_ALEN); - cmd.reasoncode = cpu_to_le16(reason_code); + cmd.reasoncode = cpu_to_le16(reason); - if (lbs_cmd_with_response(priv, CMD_802_11_DEAUTHENTICATE, &cmd)) - return -EFAULT; + ret = lbs_cmd_with_response(priv, CMD_802_11_DEAUTHENTICATE, &cmd); + if (ret) + return ret; cfg80211_disconnected(priv->dev, - priv->disassoc_reason, + reason, NULL, 0, GFP_KERNEL); priv->connect_status = LBS_DISCONNECTED; @@ -1431,6 +1433,21 @@ static int lbs_cfg_disconnect(struct wiphy *wiphy, struct net_device *dev, return 0; } +static int lbs_cfg_disconnect(struct wiphy *wiphy, struct net_device *dev, + u16 reason_code) +{ + struct lbs_private *priv = wiphy_priv(wiphy); + + if (dev == priv->mesh_dev) + return -EOPNOTSUPP; + + lbs_deb_enter_args(LBS_DEB_CFG80211, "reason_code %d", reason_code); + + /* store for lbs_cfg_ret_disconnect() */ + priv->disassoc_reason = reason_code; + + return lbs_disconnect(priv, reason_code); +} static int lbs_cfg_set_default_key(struct wiphy *wiphy, struct net_device *netdev, @@ -1439,6 +1456,9 @@ static int lbs_cfg_set_default_key(struct wiphy *wiphy, { struct lbs_private *priv = wiphy_priv(wiphy); + if (netdev == priv->mesh_dev) + return -EOPNOTSUPP; + lbs_deb_enter(LBS_DEB_CFG80211); if (key_index != priv->wep_tx_key) { @@ -1460,6 +1480,9 @@ static int lbs_cfg_add_key(struct wiphy *wiphy, struct net_device *netdev, u16 key_type; int ret = 0; + if (netdev == priv->mesh_dev) + return -EOPNOTSUPP; + lbs_deb_enter(LBS_DEB_CFG80211); lbs_deb_assoc("add_key: cipher 0x%x, mac_addr %pM\n", @@ -1603,6 +1626,9 @@ static int lbs_get_survey(struct wiphy *wiphy, struct net_device *dev, s8 signal, noise; int ret; + if (dev == priv->mesh_dev) + return -EOPNOTSUPP; + if (idx != 0) ret = -ENOENT; @@ -1636,6 +1662,9 @@ static int lbs_change_intf(struct wiphy *wiphy, struct net_device *dev, struct lbs_private *priv = wiphy_priv(wiphy); int ret = 0; + if (dev == priv->mesh_dev) + return -EOPNOTSUPP; + lbs_deb_enter(LBS_DEB_CFG80211); switch (type) { @@ -1959,6 +1988,9 @@ static int lbs_join_ibss(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_bss *bss; DECLARE_SSID_BUF(ssid_buf); + if (dev == priv->mesh_dev) + return -EOPNOTSUPP; + lbs_deb_enter(LBS_DEB_CFG80211); if (!params->channel) { @@ -1995,6 +2027,9 @@ static int lbs_leave_ibss(struct wiphy *wiphy, struct net_device *dev) struct cmd_ds_802_11_ad_hoc_stop cmd; int ret = 0; + if (dev == priv->mesh_dev) + return -EOPNOTSUPP; + lbs_deb_enter(LBS_DEB_CFG80211); memset(&cmd, 0, sizeof(cmd)); @@ -2117,6 +2152,8 @@ int lbs_cfg_register(struct lbs_private *priv) BIT(NL80211_IFTYPE_ADHOC); if (lbs_rtap_supported(priv)) wdev->wiphy->interface_modes |= BIT(NL80211_IFTYPE_MONITOR); + if (lbs_mesh_activated(priv)) + wdev->wiphy->interface_modes |= BIT(NL80211_IFTYPE_MESH_POINT); wdev->wiphy->bands[IEEE80211_BAND_2GHZ] = &lbs_band_2ghz; diff --git a/drivers/net/wireless/libertas/cfg.h b/drivers/net/wireless/libertas/cfg.h index 4f46bb7..a02ee15 100644 --- a/drivers/net/wireless/libertas/cfg.h +++ b/drivers/net/wireless/libertas/cfg.h @@ -17,5 +17,6 @@ void lbs_send_disconnect_notification(struct lbs_private *priv); void lbs_send_mic_failureevent(struct lbs_private *priv, u32 event); void lbs_scan_deinit(struct lbs_private *priv); +int lbs_disconnect(struct lbs_private *priv, u16 reason); #endif diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c index dbd24a4..e08ab1d 100644 --- a/drivers/net/wireless/libertas/cmd.c +++ b/drivers/net/wireless/libertas/cmd.c @@ -1088,7 +1088,7 @@ void __lbs_complete_command(struct lbs_private *priv, struct cmd_ctrl_node *cmd, if (!cmd->callback || cmd->callback == lbs_cmd_async_callback) __lbs_cleanup_and_insert_cmd(priv, cmd); priv->cur_cmd = NULL; - wake_up_interruptible(&priv->waitq); + wake_up(&priv->waitq); } void lbs_complete_command(struct lbs_private *priv, struct cmd_ctrl_node *cmd, @@ -1627,7 +1627,7 @@ struct cmd_ctrl_node *__lbs_cmd_async(struct lbs_private *priv, lbs_deb_host("PREP_CMD: cmdnode is NULL\n"); /* Wake up main thread to execute next command */ - wake_up_interruptible(&priv->waitq); + wake_up(&priv->waitq); cmdnode = ERR_PTR(-ENOBUFS); goto done; } @@ -1647,7 +1647,7 @@ struct cmd_ctrl_node *__lbs_cmd_async(struct lbs_private *priv, cmdnode->cmdwaitqwoken = 0; lbs_queue_cmd(priv, cmdnode); - wake_up_interruptible(&priv->waitq); + wake_up(&priv->waitq); done: lbs_deb_leave_args(LBS_DEB_HOST, "ret %p", cmdnode); diff --git a/drivers/net/wireless/libertas/decl.h b/drivers/net/wireless/libertas/decl.h index da0b05b..9304e6f 100644 --- a/drivers/net/wireless/libertas/decl.h +++ b/drivers/net/wireless/libertas/decl.h @@ -43,10 +43,14 @@ int lbs_start_card(struct lbs_private *priv); void lbs_stop_card(struct lbs_private *priv); void lbs_host_to_card_done(struct lbs_private *priv); +int lbs_start_iface(struct lbs_private *priv); +int lbs_stop_iface(struct lbs_private *priv); + int lbs_rtap_supported(struct lbs_private *priv); int lbs_set_mac_address(struct net_device *dev, void *addr); void lbs_set_multicast_list(struct net_device *dev); +void lbs_update_mcast(struct lbs_private *priv); int lbs_suspend(struct lbs_private *priv); int lbs_resume(struct lbs_private *priv); diff --git a/drivers/net/wireless/libertas/dev.h b/drivers/net/wireless/libertas/dev.h index adb3490..8148389 100644 --- a/drivers/net/wireless/libertas/dev.h +++ b/drivers/net/wireless/libertas/dev.h @@ -6,7 +6,6 @@ #ifndef _LBS_DEV_H_ #define _LBS_DEV_H_ -#include "mesh.h" #include "defs.h" #include "host.h" @@ -22,6 +21,17 @@ struct sleep_params { uint16_t sp_reserved; }; +/* Mesh statistics */ +struct lbs_mesh_stats { + u32 fwd_bcast_cnt; /* Fwd: Broadcast counter */ + u32 fwd_unicast_cnt; /* Fwd: Unicast counter */ + u32 fwd_drop_ttl; /* Fwd: TTL zero */ + u32 fwd_drop_rbt; /* Fwd: Recently Broadcasted */ + u32 fwd_drop_noroute; /* Fwd: No route to Destination */ + u32 fwd_drop_nobuf; /* Fwd: Run out of internal buffers */ + u32 drop_blind; /* Rx: Dropped by blinding table */ + u32 tx_failed_cnt; /* Tx: Failed transmissions */ +}; /* Private structure for the MV device */ struct lbs_private { @@ -36,7 +46,6 @@ struct lbs_private { /* CFG80211 */ struct wireless_dev *wdev; bool wiphy_registered; - bool stopping; struct cfg80211_scan_request *scan_req; u8 assoc_bss[ETH_ALEN]; u8 disassoc_reason; @@ -86,11 +95,14 @@ struct lbs_private { /* Hardware access */ void *card; + bool iface_running; u8 fw_ready; u8 surpriseremoved; u8 setup_fw_on_resume; int (*hw_host_to_card) (struct lbs_private *priv, u8 type, u8 *payload, u16 nb); void (*reset_card) (struct lbs_private *priv); + int (*power_save) (struct lbs_private *priv); + int (*power_restore) (struct lbs_private *priv); int (*enter_deep_sleep) (struct lbs_private *priv); int (*exit_deep_sleep) (struct lbs_private *priv); int (*reset_deep_sleep_wakeup) (struct lbs_private *priv); @@ -172,4 +184,16 @@ struct lbs_private { extern struct cmd_confirm_sleep confirm_sleep; +/* Check if there is an interface active. */ +static inline int lbs_iface_active(struct lbs_private *priv) +{ + int r; + + r = netif_running(priv->dev); + if (priv->mesh_dev); + r |= netif_running(priv->dev); + + return r; +} + #endif diff --git a/drivers/net/wireless/libertas/ethtool.c b/drivers/net/wireless/libertas/ethtool.c index 4dfb3bf..885ddc1 100644 --- a/drivers/net/wireless/libertas/ethtool.c +++ b/drivers/net/wireless/libertas/ethtool.c @@ -5,6 +5,7 @@ #include "decl.h" #include "cmd.h" +#include "mesh.h" static void lbs_ethtool_get_drvinfo(struct net_device *dev, diff --git a/drivers/net/wireless/libertas/if_sdio.c b/drivers/net/wireless/libertas/if_sdio.c index 387786e..c962e21 100644 --- a/drivers/net/wireless/libertas/if_sdio.c +++ b/drivers/net/wireless/libertas/if_sdio.c @@ -39,6 +39,7 @@ #include <linux/mmc/sdio_ids.h> #include <linux/mmc/sdio.h> #include <linux/mmc/host.h> +#include <linux/pm_runtime.h> #include "host.h" #include "decl.h" @@ -47,6 +48,8 @@ #include "cmd.h" #include "if_sdio.h" +static void if_sdio_interrupt(struct sdio_func *func); + /* The if_sdio_remove() callback function is called when * user removes this module from kernel space or ejects * the card from the slot. The driver handles these 2 cases @@ -757,6 +760,136 @@ out: return ret; } +/********************************************************************/ +/* Power management */ +/********************************************************************/ + +static int if_sdio_power_on(struct if_sdio_card *card) +{ + struct sdio_func *func = card->func; + struct lbs_private *priv = card->priv; + struct mmc_host *host = func->card->host; + int ret; + + sdio_claim_host(func); + + ret = sdio_enable_func(func); + if (ret) + goto release; + + /* For 1-bit transfers to the 8686 model, we need to enable the + * interrupt flag in the CCCR register. Set the MMC_QUIRK_LENIENT_FN0 + * bit to allow access to non-vendor registers. */ + if ((card->model == MODEL_8686) && + (host->caps & MMC_CAP_SDIO_IRQ) && + (host->ios.bus_width == MMC_BUS_WIDTH_1)) { + u8 reg; + + func->card->quirks |= MMC_QUIRK_LENIENT_FN0; + reg = sdio_f0_readb(func, SDIO_CCCR_IF, &ret); + if (ret) + goto disable; + + reg |= SDIO_BUS_ECSI; + sdio_f0_writeb(func, reg, SDIO_CCCR_IF, &ret); + if (ret) + goto disable; + } + + card->ioport = sdio_readb(func, IF_SDIO_IOPORT, &ret); + if (ret) + goto disable; + + card->ioport |= sdio_readb(func, IF_SDIO_IOPORT + 1, &ret) << 8; + if (ret) + goto disable; + + card->ioport |= sdio_readb(func, IF_SDIO_IOPORT + 2, &ret) << 16; + if (ret) + goto disable; + + sdio_release_host(func); + ret = if_sdio_prog_firmware(card); + sdio_claim_host(func); + if (ret) + goto disable; + + /* + * Get rx_unit if the chip is SD8688 or newer. + * SD8385 & SD8686 do not have rx_unit. + */ + if ((card->model != MODEL_8385) + && (card->model != MODEL_8686)) + card->rx_unit = if_sdio_read_rx_unit(card); + else + card->rx_unit = 0; + + /* + * Set up the interrupt handler late. + * + * If we set it up earlier, the (buggy) hardware generates a spurious + * interrupt, even before the interrupt has been enabled, with + * CCCR_INTx = 0. + * + * We register the interrupt handler late so that we can handle any + * spurious interrupts, and also to avoid generation of that known + * spurious interrupt in the first place. + */ + ret = sdio_claim_irq(func, if_sdio_interrupt); + if (ret) + goto disable; + + /* + * Enable interrupts now that everything is set up + */ + sdio_writeb(func, 0x0f, IF_SDIO_H_INT_MASK, &ret); + if (ret) + goto release_irq; + + sdio_release_host(func); + + /* + * FUNC_INIT is required for SD8688 WLAN/BT multiple functions + */ + if (card->model == MODEL_8688) { + struct cmd_header cmd; + + memset(&cmd, 0, sizeof(cmd)); + + lbs_deb_sdio("send function INIT command\n"); + if (__lbs_cmd(priv, CMD_FUNC_INIT, &cmd, sizeof(cmd), + lbs_cmd_copyback, (unsigned long) &cmd)) + netdev_alert(priv->dev, "CMD_FUNC_INIT cmd failed\n"); + } + + priv->fw_ready = 1; + + return 0; + +release_irq: + sdio_release_irq(func); +disable: + sdio_disable_func(func); +release: + sdio_release_host(func); + return ret; +} + +static int if_sdio_power_off(struct if_sdio_card *card) +{ + struct sdio_func *func = card->func; + struct lbs_private *priv = card->priv; + + priv->fw_ready = 0; + + sdio_claim_host(func); + sdio_release_irq(func); + sdio_disable_func(func); + sdio_release_host(func); + return 0; +} + + /*******************************************************************/ /* Libertas callbacks */ /*******************************************************************/ @@ -923,6 +1056,32 @@ static void if_sdio_reset_card(struct lbs_private *priv) schedule_work(&card_reset_work); } +static int if_sdio_power_save(struct lbs_private *priv) +{ + struct if_sdio_card *card = priv->card; + int ret; + + flush_workqueue(card->workqueue); + + ret = if_sdio_power_off(card); + + /* Let runtime PM know the card is powered off */ + pm_runtime_put_sync(&card->func->dev); + + return ret; +} + +static int if_sdio_power_restore(struct lbs_private *priv) +{ + struct if_sdio_card *card = priv->card; + + /* Make sure the card will not be powered off by runtime PM */ + pm_runtime_get_sync(&card->func->dev); + + return if_sdio_power_on(card); +} + + /*******************************************************************/ /* SDIO callbacks */ /*******************************************************************/ @@ -976,7 +1135,6 @@ static int if_sdio_probe(struct sdio_func *func, int ret, i; unsigned int model; struct if_sdio_packet *packet; - struct mmc_host *host = func->card->host; lbs_deb_enter(LBS_DEB_SDIO); @@ -1033,45 +1191,6 @@ static int if_sdio_probe(struct sdio_func *func, goto free; } - sdio_claim_host(func); - - ret = sdio_enable_func(func); - if (ret) - goto release; - - /* For 1-bit transfers to the 8686 model, we need to enable the - * interrupt flag in the CCCR register. Set the MMC_QUIRK_LENIENT_FN0 - * bit to allow access to non-vendor registers. */ - if ((card->model == MODEL_8686) && - (host->caps & MMC_CAP_SDIO_IRQ) && - (host->ios.bus_width == MMC_BUS_WIDTH_1)) { - u8 reg; - - func->card->quirks |= MMC_QUIRK_LENIENT_FN0; - reg = sdio_f0_readb(func, SDIO_CCCR_IF, &ret); - if (ret) - goto release_int; - - reg |= SDIO_BUS_ECSI; - sdio_f0_writeb(func, reg, SDIO_CCCR_IF, &ret); - if (ret) - goto release_int; - } - - card->ioport = sdio_readb(func, IF_SDIO_IOPORT, &ret); - if (ret) - goto release_int; - - card->ioport |= sdio_readb(func, IF_SDIO_IOPORT + 1, &ret) << 8; - if (ret) - goto release_int; - - card->ioport |= sdio_readb(func, IF_SDIO_IOPORT + 2, &ret) << 16; - if (ret) - goto release_int; - - sdio_release_host(func); - sdio_set_drvdata(func, card); lbs_deb_sdio("class = 0x%X, vendor = 0x%X, " @@ -1079,14 +1198,11 @@ static int if_sdio_probe(struct sdio_func *func, func->class, func->vendor, func->device, model, (unsigned)card->ioport); - ret = if_sdio_prog_firmware(card); - if (ret) - goto reclaim; priv = lbs_add_card(card, &func->dev); if (!priv) { ret = -ENOMEM; - goto reclaim; + goto free; } card->priv = priv; @@ -1097,62 +1213,21 @@ static int if_sdio_probe(struct sdio_func *func, priv->exit_deep_sleep = if_sdio_exit_deep_sleep; priv->reset_deep_sleep_wakeup = if_sdio_reset_deep_sleep_wakeup; priv->reset_card = if_sdio_reset_card; + priv->power_save = if_sdio_power_save; + priv->power_restore = if_sdio_power_restore; - sdio_claim_host(func); - - /* - * Get rx_unit if the chip is SD8688 or newer. - * SD8385 & SD8686 do not have rx_unit. - */ - if ((card->model != MODEL_8385) - && (card->model != MODEL_8686)) - card->rx_unit = if_sdio_read_rx_unit(card); - else - card->rx_unit = 0; - - /* - * Set up the interrupt handler late. - * - * If we set it up earlier, the (buggy) hardware generates a spurious - * interrupt, even before the interrupt has been enabled, with - * CCCR_INTx = 0. - * - * We register the interrupt handler late so that we can handle any - * spurious interrupts, and also to avoid generation of that known - * spurious interrupt in the first place. - */ - ret = sdio_claim_irq(func, if_sdio_interrupt); - if (ret) - goto disable; - - /* - * Enable interrupts now that everything is set up - */ - sdio_writeb(func, 0x0f, IF_SDIO_H_INT_MASK, &ret); - sdio_release_host(func); + ret = if_sdio_power_on(card); if (ret) - goto reclaim; - - priv->fw_ready = 1; - - /* - * FUNC_INIT is required for SD8688 WLAN/BT multiple functions - */ - if (card->model == MODEL_8688) { - struct cmd_header cmd; - - memset(&cmd, 0, sizeof(cmd)); - - lbs_deb_sdio("send function INIT command\n"); - if (__lbs_cmd(priv, CMD_FUNC_INIT, &cmd, sizeof(cmd), - lbs_cmd_copyback, (unsigned long) &cmd)) - netdev_alert(priv->dev, "CMD_FUNC_INIT cmd failed\n"); - } + goto err_activate_card; ret = lbs_start_card(priv); + if_sdio_power_off(card); if (ret) goto err_activate_card; + /* Tell PM core that we don't need the card to be powered now */ + pm_runtime_put_noidle(&func->dev); + out: lbs_deb_leave_args(LBS_DEB_SDIO, "ret %d", ret); @@ -1161,14 +1236,6 @@ out: err_activate_card: flush_workqueue(card->workqueue); lbs_remove_card(priv); -reclaim: - sdio_claim_host(func); -release_int: - sdio_release_irq(func); -disable: - sdio_disable_func(func); -release: - sdio_release_host(func); free: destroy_workqueue(card->workqueue); while (card->packets) { @@ -1195,6 +1262,9 @@ static void if_sdio_remove(struct sdio_func *func) card = sdio_get_drvdata(func); + /* Undo decrement done above in if_sdio_probe */ + pm_runtime_get_noresume(&func->dev); + if (user_rmmod && (card->model == MODEL_8688)) { /* * FUNC_SHUTDOWN is required for SD8688 WLAN/BT @@ -1219,11 +1289,6 @@ static void if_sdio_remove(struct sdio_func *func) flush_workqueue(card->workqueue); destroy_workqueue(card->workqueue); - sdio_claim_host(func); - sdio_release_irq(func); - sdio_disable_func(func); - sdio_release_host(func); - while (card->packets) { packet = card->packets; card->packets = card->packets->next; diff --git a/drivers/net/wireless/libertas/if_spi.c b/drivers/net/wireless/libertas/if_spi.c index e0286cf..622ae6d 100644 --- a/drivers/net/wireless/libertas/if_spi.c +++ b/drivers/net/wireless/libertas/if_spi.c @@ -531,10 +531,6 @@ static int if_spi_prog_helper_firmware(struct if_spi_card *card, goto out; err = spu_write_u16(card, IF_SPI_CARD_INT_CAUSE_REG, IF_SPI_CIC_CMD_DOWNLOAD_OVER); - goto out; - - lbs_deb_spi("waiting for helper to boot...\n"); - out: if (err) pr_err("failed to load helper firmware (err=%d)\n", err); diff --git a/drivers/net/wireless/libertas/if_usb.c b/drivers/net/wireless/libertas/if_usb.c index b5acc39..0c846f5 100644 --- a/drivers/net/wireless/libertas/if_usb.c +++ b/drivers/net/wireless/libertas/if_usb.c @@ -324,7 +324,7 @@ static int if_usb_probe(struct usb_interface *intf, } kparam_unblock_sysfs_write(fw_name); - if (!(priv = lbs_add_card(cardp, &udev->dev))) + if (!(priv = lbs_add_card(cardp, &intf->dev))) goto err_prog_firmware; cardp->priv = priv; @@ -956,7 +956,7 @@ static int if_usb_prog_firmware(struct if_usb_card *cardp, priv->dnld_sent = DNLD_RES_RECEIVED; spin_unlock_irqrestore(&priv->driver_lock, flags); - wake_up_interruptible(&priv->waitq); + wake_up(&priv->waitq); return ret; } @@ -1112,6 +1112,15 @@ static int if_usb_suspend(struct usb_interface *intf, pm_message_t message) if (priv->psstate != PS_STATE_FULL_POWER) return -1; +#ifdef CONFIG_OLPC + if (machine_is_olpc()) { + if (priv->wol_criteria == EHS_REMOVE_WAKEUP) + olpc_ec_wakeup_clear(EC_SCI_SRC_WLAN); + else + olpc_ec_wakeup_set(EC_SCI_SRC_WLAN); + } +#endif + ret = lbs_suspend(priv); if (ret) goto out; diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c index 2fdeb81..d1c1d52 100644 --- a/drivers/net/wireless/libertas/main.c +++ b/drivers/net/wireless/libertas/main.c @@ -23,6 +23,7 @@ #include "cfg.h" #include "debugfs.h" #include "cmd.h" +#include "mesh.h" #define DRIVER_RELEASE_VERSION "323.p0" const char lbs_driver_version[] = "COMM-USB8388-" DRIVER_RELEASE_VERSION @@ -98,6 +99,37 @@ u8 lbs_data_rate_to_fw_index(u32 rate) return 0; } +int lbs_start_iface(struct lbs_private *priv) +{ + struct cmd_ds_802_11_mac_address cmd; + int ret; + + if (priv->power_restore) { + ret = priv->power_restore(priv); + if (ret) + return ret; + } + + cmd.hdr.size = cpu_to_le16(sizeof(cmd)); + cmd.action = cpu_to_le16(CMD_ACT_SET); + memcpy(cmd.macadd, priv->current_addr, ETH_ALEN); + + ret = lbs_cmd_with_response(priv, CMD_802_11_MAC_ADDRESS, &cmd); + if (ret) { + lbs_deb_net("set MAC address failed\n"); + goto err; + } + + lbs_update_channel(priv); + + priv->iface_running = true; + return 0; + +err: + if (priv->power_save) + priv->power_save(priv); + return ret; +} /** * lbs_dev_open - open the ethX interface @@ -111,23 +143,64 @@ static int lbs_dev_open(struct net_device *dev) int ret = 0; lbs_deb_enter(LBS_DEB_NET); + if (!priv->iface_running) { + ret = lbs_start_iface(priv); + if (ret) + goto out; + } spin_lock_irq(&priv->driver_lock); - priv->stopping = false; - if (priv->connect_status == LBS_CONNECTED) - netif_carrier_on(dev); - else - netif_carrier_off(dev); + netif_carrier_off(dev); if (!priv->tx_pending_len) netif_wake_queue(dev); spin_unlock_irq(&priv->driver_lock); + +out: lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret); return ret; } +static bool lbs_command_queue_empty(struct lbs_private *priv) +{ + unsigned long flags; + bool ret; + spin_lock_irqsave(&priv->driver_lock, flags); + ret = priv->cur_cmd == NULL && list_empty(&priv->cmdpendingq); + spin_unlock_irqrestore(&priv->driver_lock, flags); + return ret; +} + +int lbs_stop_iface(struct lbs_private *priv) +{ + unsigned long flags; + int ret = 0; + + lbs_deb_enter(LBS_DEB_MAIN); + + spin_lock_irqsave(&priv->driver_lock, flags); + priv->iface_running = false; + kfree_skb(priv->currenttxskb); + priv->currenttxskb = NULL; + priv->tx_pending_len = 0; + spin_unlock_irqrestore(&priv->driver_lock, flags); + + cancel_work_sync(&priv->mcast_work); + + /* Disable command processing, and wait for all commands to complete */ + lbs_deb_main("waiting for commands to complete\n"); + wait_event(priv->waitq, lbs_command_queue_empty(priv)); + lbs_deb_main("all commands completed\n"); + + if (priv->power_save) + ret = priv->power_save(priv); + + lbs_deb_leave(LBS_DEB_MAIN); + return ret; +} + /** * lbs_eth_stop - close the ethX interface * @@ -140,18 +213,25 @@ static int lbs_eth_stop(struct net_device *dev) lbs_deb_enter(LBS_DEB_NET); + if (priv->connect_status == LBS_CONNECTED) + lbs_disconnect(priv, WLAN_REASON_DEAUTH_LEAVING); + spin_lock_irq(&priv->driver_lock); - priv->stopping = true; netif_stop_queue(dev); spin_unlock_irq(&priv->driver_lock); - schedule_work(&priv->mcast_work); + lbs_update_mcast(priv); cancel_delayed_work_sync(&priv->scan_work); if (priv->scan_req) { cfg80211_scan_done(priv->scan_req, false); priv->scan_req = NULL; } + netif_carrier_off(priv->dev); + + if (!lbs_iface_active(priv)) + lbs_stop_iface(priv); + lbs_deb_leave(LBS_DEB_NET); return 0; } @@ -169,7 +249,7 @@ void lbs_host_to_card_done(struct lbs_private *priv) /* Wake main thread if commands are pending */ if (!priv->cur_cmd || priv->tx_pending_len > 0) { if (!priv->wakeup_dev_required) - wake_up_interruptible(&priv->waitq); + wake_up(&priv->waitq); } spin_unlock_irqrestore(&priv->driver_lock, flags); @@ -182,29 +262,24 @@ int lbs_set_mac_address(struct net_device *dev, void *addr) int ret = 0; struct lbs_private *priv = dev->ml_priv; struct sockaddr *phwaddr = addr; - struct cmd_ds_802_11_mac_address cmd; lbs_deb_enter(LBS_DEB_NET); + /* + * Can only set MAC address when all interfaces are down, to be written + * to the hardware when one of them is brought up. + */ + if (lbs_iface_active(priv)) + return -EBUSY; + /* In case it was called from the mesh device */ dev = priv->dev; - cmd.hdr.size = cpu_to_le16(sizeof(cmd)); - cmd.action = cpu_to_le16(CMD_ACT_SET); - memcpy(cmd.macadd, phwaddr->sa_data, ETH_ALEN); - - ret = lbs_cmd_with_response(priv, CMD_802_11_MAC_ADDRESS, &cmd); - if (ret) { - lbs_deb_net("set MAC address failed\n"); - goto done; - } - memcpy(priv->current_addr, phwaddr->sa_data, ETH_ALEN); memcpy(dev->dev_addr, phwaddr->sa_data, ETH_ALEN); if (priv->mesh_dev) memcpy(priv->mesh_dev->dev_addr, phwaddr->sa_data, ETH_ALEN); -done: lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret); return ret; } @@ -258,18 +333,18 @@ static int lbs_add_mcast_addrs(struct cmd_ds_mac_multicast_adr *cmd, return i; } -static void lbs_set_mcast_worker(struct work_struct *work) +void lbs_update_mcast(struct lbs_private *priv) { - struct lbs_private *priv = container_of(work, struct lbs_private, mcast_work); struct cmd_ds_mac_multicast_adr mcast_cmd; - int dev_flags; + int dev_flags = 0; int nr_addrs; int old_mac_control = priv->mac_control; lbs_deb_enter(LBS_DEB_NET); - dev_flags = priv->dev->flags; - if (priv->mesh_dev) + if (netif_running(priv->dev)) + dev_flags |= priv->dev->flags; + if (priv->mesh_dev && netif_running(priv->mesh_dev)) dev_flags |= priv->mesh_dev->flags; if (dev_flags & IFF_PROMISC) { @@ -315,6 +390,12 @@ static void lbs_set_mcast_worker(struct work_struct *work) lbs_deb_leave(LBS_DEB_NET); } +static void lbs_set_mcast_worker(struct work_struct *work) +{ + struct lbs_private *priv = container_of(work, struct lbs_private, mcast_work); + lbs_update_mcast(priv); +} + void lbs_set_multicast_list(struct net_device *dev) { struct lbs_private *priv = dev->ml_priv; @@ -647,7 +728,7 @@ static void lbs_cmd_timeout_handler(unsigned long data) if (priv->dnld_sent == DNLD_CMD_SENT) priv->dnld_sent = DNLD_RES_RECEIVED; - wake_up_interruptible(&priv->waitq); + wake_up(&priv->waitq); out: spin_unlock_irqrestore(&priv->driver_lock, flags); lbs_deb_leave(LBS_DEB_CMD); @@ -889,10 +970,6 @@ void lbs_remove_card(struct lbs_private *priv) lbs_remove_mesh(priv); lbs_scan_deinit(priv); - dev = priv->dev; - - cancel_work_sync(&priv->mcast_work); - /* worker thread destruction blocks on the in-flight command which * should have been cleared already in lbs_stop_card(). */ @@ -950,17 +1027,18 @@ int lbs_start_card(struct lbs_private *priv) if (ret) goto done; + if (!lbs_disablemesh) + lbs_init_mesh(priv); + else + pr_info("%s: mesh disabled\n", dev->name); + if (lbs_cfg_register(priv)) { pr_err("cannot register device\n"); goto done; } - lbs_update_channel(priv); - - if (!lbs_disablemesh) - lbs_init_mesh(priv); - else - pr_info("%s: mesh disabled\n", dev->name); + if (lbs_mesh_activated(priv)) + lbs_start_mesh(priv); lbs_debugfs_init_one(priv, dev); @@ -978,8 +1056,6 @@ EXPORT_SYMBOL_GPL(lbs_start_card); void lbs_stop_card(struct lbs_private *priv) { struct net_device *dev; - struct cmd_ctrl_node *cmdnode; - unsigned long flags; lbs_deb_enter(LBS_DEB_MAIN); @@ -992,30 +1068,6 @@ void lbs_stop_card(struct lbs_private *priv) lbs_debugfs_remove_one(priv); lbs_deinit_mesh(priv); - - /* Delete the timeout of the currently processing command */ - del_timer_sync(&priv->command_timer); - del_timer_sync(&priv->auto_deepsleep_timer); - - /* Flush pending command nodes */ - spin_lock_irqsave(&priv->driver_lock, flags); - lbs_deb_main("clearing pending commands\n"); - list_for_each_entry(cmdnode, &priv->cmdpendingq, list) { - cmdnode->result = -ENOENT; - cmdnode->cmdwaitqwoken = 1; - wake_up(&cmdnode->cmdwait_q); - } - - /* Flush the command the card is currently processing */ - if (priv->cur_cmd) { - lbs_deb_main("clearing current command\n"); - priv->cur_cmd->result = -ENOENT; - priv->cur_cmd->cmdwaitqwoken = 1; - wake_up(&priv->cur_cmd->cmdwait_q); - } - lbs_deb_main("done clearing commands\n"); - spin_unlock_irqrestore(&priv->driver_lock, flags); - unregister_netdev(dev); out: @@ -1036,7 +1088,7 @@ void lbs_queue_event(struct lbs_private *priv, u32 event) kfifo_in(&priv->event_fifo, (unsigned char *) &event, sizeof(u32)); - wake_up_interruptible(&priv->waitq); + wake_up(&priv->waitq); spin_unlock_irqrestore(&priv->driver_lock, flags); lbs_deb_leave(LBS_DEB_THREAD); @@ -1054,7 +1106,7 @@ void lbs_notify_command_response(struct lbs_private *priv, u8 resp_idx) BUG_ON(resp_idx > 1); priv->resp_idx = resp_idx; - wake_up_interruptible(&priv->waitq); + wake_up(&priv->waitq); lbs_deb_leave(LBS_DEB_THREAD); } diff --git a/drivers/net/wireless/libertas/mesh.c b/drivers/net/wireless/libertas/mesh.c index 8e3104d..e87c031 100644 --- a/drivers/net/wireless/libertas/mesh.c +++ b/drivers/net/wireless/libertas/mesh.c @@ -129,6 +129,19 @@ static int lbs_mesh_config(struct lbs_private *priv, uint16_t action, return __lbs_mesh_config_send(priv, &cmd, action, priv->mesh_tlv); } +int lbs_mesh_set_channel(struct lbs_private *priv, u8 channel) +{ + return lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, channel); +} + +static uint16_t lbs_mesh_get_channel(struct lbs_private *priv) +{ + struct wireless_dev *mesh_wdev = priv->mesh_dev->ieee80211_ptr; + if (mesh_wdev->channel) + return mesh_wdev->channel->hw_value; + else + return 1; +} /*************************************************************************** * Mesh sysfs support @@ -812,7 +825,6 @@ static void lbs_persist_config_remove(struct net_device *dev) */ int lbs_init_mesh(struct lbs_private *priv) { - struct net_device *dev = priv->dev; int ret = 0; lbs_deb_enter(LBS_DEB_MESH); @@ -837,11 +849,9 @@ int lbs_init_mesh(struct lbs_private *priv) useful */ priv->mesh_tlv = TLV_TYPE_OLD_MESH_ID; - if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, - priv->channel)) { + if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, 1)) { priv->mesh_tlv = TLV_TYPE_MESH_ID; - if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, - priv->channel)) + if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, 1)) priv->mesh_tlv = 0; } } else @@ -851,23 +861,16 @@ int lbs_init_mesh(struct lbs_private *priv) * 0x100+37; Do not invoke command with old TLV. */ priv->mesh_tlv = TLV_TYPE_MESH_ID; - if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, - priv->channel)) + if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, 1)) priv->mesh_tlv = 0; } /* Stop meshing until interface is brought up */ - lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_STOP, priv->channel); + lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_STOP, 1); if (priv->mesh_tlv) { sprintf(priv->mesh_ssid, "mesh"); priv->mesh_ssid_len = 4; - - lbs_add_mesh(priv); - - if (device_create_file(&dev->dev, &dev_attr_lbs_mesh)) - netdev_err(dev, "cannot register lbs_mesh attribute\n"); - ret = 1; } @@ -875,6 +878,13 @@ int lbs_init_mesh(struct lbs_private *priv) return ret; } +void lbs_start_mesh(struct lbs_private *priv) +{ + lbs_add_mesh(priv); + + if (device_create_file(&priv->dev->dev, &dev_attr_lbs_mesh)) + netdev_err(priv->dev, "cannot register lbs_mesh attribute\n"); +} int lbs_deinit_mesh(struct lbs_private *priv) { @@ -904,7 +914,8 @@ static int lbs_mesh_stop(struct net_device *dev) struct lbs_private *priv = dev->ml_priv; lbs_deb_enter(LBS_DEB_MESH); - lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_STOP, priv->channel); + lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_STOP, + lbs_mesh_get_channel(priv)); spin_lock_irq(&priv->driver_lock); @@ -913,7 +924,9 @@ static int lbs_mesh_stop(struct net_device *dev) spin_unlock_irq(&priv->driver_lock); - schedule_work(&priv->mcast_work); + lbs_update_mcast(priv); + if (!lbs_iface_active(priv)) + lbs_stop_iface(priv); lbs_deb_leave(LBS_DEB_MESH); return 0; @@ -931,6 +944,11 @@ static int lbs_mesh_dev_open(struct net_device *dev) int ret = 0; lbs_deb_enter(LBS_DEB_NET); + if (!priv->iface_running) { + ret = lbs_start_iface(priv); + if (ret) + goto out; + } spin_lock_irq(&priv->driver_lock); @@ -947,7 +965,8 @@ static int lbs_mesh_dev_open(struct net_device *dev) spin_unlock_irq(&priv->driver_lock); - ret = lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, priv->channel); + ret = lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, + lbs_mesh_get_channel(priv)); out: lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret); @@ -971,18 +990,32 @@ static const struct net_device_ops mesh_netdev_ops = { static int lbs_add_mesh(struct lbs_private *priv) { struct net_device *mesh_dev = NULL; + struct wireless_dev *mesh_wdev; int ret = 0; lbs_deb_enter(LBS_DEB_MESH); /* Allocate a virtual mesh device */ + mesh_wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL); + if (!mesh_wdev) { + lbs_deb_mesh("init mshX wireless device failed\n"); + ret = -ENOMEM; + goto done; + } + mesh_dev = alloc_netdev(0, "msh%d", ether_setup); if (!mesh_dev) { lbs_deb_mesh("init mshX device failed\n"); ret = -ENOMEM; - goto done; + goto err_free_wdev; } + + mesh_wdev->iftype = NL80211_IFTYPE_MESH_POINT; + mesh_wdev->wiphy = priv->wdev->wiphy; + mesh_wdev->netdev = mesh_dev; + mesh_dev->ml_priv = priv; + mesh_dev->ieee80211_ptr = mesh_wdev; priv->mesh_dev = mesh_dev; mesh_dev->netdev_ops = &mesh_netdev_ops; @@ -996,7 +1029,7 @@ static int lbs_add_mesh(struct lbs_private *priv) ret = register_netdev(mesh_dev); if (ret) { pr_err("cannot register mshX virtual interface\n"); - goto err_free; + goto err_free_netdev; } ret = sysfs_create_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group); @@ -1012,9 +1045,12 @@ static int lbs_add_mesh(struct lbs_private *priv) err_unregister: unregister_netdev(mesh_dev); -err_free: +err_free_netdev: free_netdev(mesh_dev); +err_free_wdev: + kfree(mesh_wdev); + done: lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret); return ret; @@ -1035,6 +1071,7 @@ void lbs_remove_mesh(struct lbs_private *priv) lbs_persist_config_remove(mesh_dev); unregister_netdev(mesh_dev); priv->mesh_dev = NULL; + kfree(mesh_dev->ieee80211_ptr); free_netdev(mesh_dev); lbs_deb_leave(LBS_DEB_MESH); } diff --git a/drivers/net/wireless/libertas/mesh.h b/drivers/net/wireless/libertas/mesh.h index 5014491..6603f34 100644 --- a/drivers/net/wireless/libertas/mesh.h +++ b/drivers/net/wireless/libertas/mesh.h @@ -9,30 +9,25 @@ #include <net/lib80211.h> #include "host.h" +#include "dev.h" #ifdef CONFIG_LIBERTAS_MESH -/* Mesh statistics */ -struct lbs_mesh_stats { - u32 fwd_bcast_cnt; /* Fwd: Broadcast counter */ - u32 fwd_unicast_cnt; /* Fwd: Unicast counter */ - u32 fwd_drop_ttl; /* Fwd: TTL zero */ - u32 fwd_drop_rbt; /* Fwd: Recently Broadcasted */ - u32 fwd_drop_noroute; /* Fwd: No route to Destination */ - u32 fwd_drop_nobuf; /* Fwd: Run out of internal buffers */ - u32 drop_blind; /* Rx: Dropped by blinding table */ - u32 tx_failed_cnt; /* Tx: Failed transmissions */ -}; - - struct net_device; -struct lbs_private; int lbs_init_mesh(struct lbs_private *priv); +void lbs_start_mesh(struct lbs_private *priv); int lbs_deinit_mesh(struct lbs_private *priv); void lbs_remove_mesh(struct lbs_private *priv); +static inline bool lbs_mesh_activated(struct lbs_private *priv) +{ + /* Mesh SSID is only programmed after successful init */ + return priv->mesh_ssid_len != 0; +} + +int lbs_mesh_set_channel(struct lbs_private *priv, u8 channel); /* Sending / Receiving */ @@ -67,11 +62,13 @@ void lbs_mesh_ethtool_get_strings(struct net_device *dev, #define lbs_init_mesh(priv) #define lbs_deinit_mesh(priv) +#define lbs_start_mesh(priv) #define lbs_add_mesh(priv) #define lbs_remove_mesh(priv) #define lbs_mesh_set_dev(priv, dev, rxpd) (dev) #define lbs_mesh_set_txpd(priv, dev, txpd) -#define lbs_mesh_config(priv, enable, chan) +#define lbs_mesh_set_channel(priv, channel) (0) +#define lbs_mesh_activated(priv) (false) #endif diff --git a/drivers/net/wireless/libertas/rx.c b/drivers/net/wireless/libertas/rx.c index bfb8898..62e10ee 100644 --- a/drivers/net/wireless/libertas/rx.c +++ b/drivers/net/wireless/libertas/rx.c @@ -15,6 +15,7 @@ #include "radiotap.h" #include "decl.h" #include "dev.h" +#include "mesh.h" struct eth803hdr { u8 dest_addr[6]; diff --git a/drivers/net/wireless/libertas/tx.c b/drivers/net/wireless/libertas/tx.c index a6e8513..8f12752 100644 --- a/drivers/net/wireless/libertas/tx.c +++ b/drivers/net/wireless/libertas/tx.c @@ -12,6 +12,7 @@ #include "decl.h" #include "defs.h" #include "dev.h" +#include "mesh.h" /** * convert_radiotap_rate_to_mv - converts Tx/Rx rates from IEEE80211_RADIOTAP_RATE |