diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/dhd.h | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h | 92 | ||||
| -rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/dhd_cdc.c | 11 | ||||
| -rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.c | 5 | ||||
| -rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c | 11 | ||||
| -rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c | 16 | ||||
| -rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/usb.c | 15 | ||||
| -rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c | 4 | ||||
| -rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.h | 3 |
9 files changed, 111 insertions, 47 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd.h b/drivers/net/wireless/brcm80211/brcmfmac/dhd.h index 24bc4e3..fd672bf 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd.h +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd.h @@ -470,7 +470,6 @@ struct brcmf_pub { struct brcmf_bus *bus_if; struct brcmf_proto *prot; struct brcmf_cfg80211_info *config; - struct device *dev; /* fullmac dongle device pointer */ /* Internal brcmf items */ uint hdrlen; /* Total BRCMF header length (proto + bus) */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h b/drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h index b8f2487..dd38b78 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h @@ -43,36 +43,90 @@ struct brcmf_bus_dcmd { struct list_head list; }; -/* interface structure between common and bus layer */ +/** + * struct brcmf_bus_ops - bus callback operations. + * + * @init: prepare for communication with dongle. + * @stop: clear pending frames, disable data flow. + * @txdata: send a data frame to the dongle (callee disposes skb). + * @txctl: transmit a control request message to dongle. + * @rxctl: receive a control response message from dongle. + * + * This structure provides an abstract interface towards the + * bus specific driver. For control messages to common driver + * will assure there is only one active transaction. + */ +struct brcmf_bus_ops { + int (*init)(struct device *dev); + void (*stop)(struct device *dev); + int (*txdata)(struct device *dev, struct sk_buff *skb); + int (*txctl)(struct device *dev, unsigned char *msg, uint len); + int (*rxctl)(struct device *dev, unsigned char *msg, uint len); +}; + +/** + * struct brcmf_bus - interface structure between common and bus layer + * + * @bus_priv: pointer to private bus device. + * @dev: device pointer of bus device. + * @drvr: public driver information. + * @state: operational state of the bus interface. + * @maxctl: maximum size for rxctl request message. + * @drvr_up: indicates driver up/down status. + * @tx_realloc: number of tx packets realloced for headroom. + * @dstats: dongle-based statistical data. + * @align: alignment requirement for the bus. + * @dcmd_list: bus/device specific dongle initialization commands. + */ struct brcmf_bus { union { struct brcmf_sdio_dev *sdio; struct brcmf_usbdev *usb; } bus_priv; - struct brcmf_pub *drvr; /* pointer to driver pub structure brcmf_pub */ + struct device *dev; + struct brcmf_pub *drvr; enum brcmf_bus_state state; - uint maxctl; /* Max size rxctl request from proto to bus */ - bool drvr_up; /* Status flag of driver up/down */ - unsigned long tx_realloc; /* Tx packets realloced for headroom */ - struct dngl_stats dstats; /* Stats for dongle-based data */ - u8 align; /* bus alignment requirement */ + uint maxctl; + bool drvr_up; + unsigned long tx_realloc; + struct dngl_stats dstats; + u8 align; struct list_head dcmd_list; - /* interface functions pointers */ - /* Stop bus module: clear pending frames, disable data flow */ - void (*brcmf_bus_stop)(struct device *); - /* Initialize bus module: prepare for communication w/dongle */ - int (*brcmf_bus_init)(struct device *); - /* Send a data frame to the dongle. Callee disposes of txp. */ - int (*brcmf_bus_txdata)(struct device *, struct sk_buff *); - /* Send/receive a control message to/from the dongle. - * Expects caller to enforce a single outstanding transaction. - */ - int (*brcmf_bus_txctl)(struct device *, unsigned char *, uint); - int (*brcmf_bus_rxctl)(struct device *, unsigned char *, uint); + struct brcmf_bus_ops *ops; }; /* + * callback wrappers + */ +static inline int brcmf_bus_init(struct brcmf_bus *bus) +{ + return bus->ops->init(bus->dev); +} + +static inline void brcmf_bus_stop(struct brcmf_bus *bus) +{ + bus->ops->stop(bus->dev); +} + +static inline int brcmf_bus_txdata(struct brcmf_bus *bus, struct sk_buff *skb) +{ + return bus->ops->txdata(bus->dev, skb); +} + +static inline +int brcmf_bus_txctl(struct brcmf_bus *bus, unsigned char *msg, uint len) +{ + return bus->ops->txctl(bus->dev, msg, len); +} + +static inline +int brcmf_bus_rxctl(struct brcmf_bus *bus, unsigned char *msg, uint len) +{ + return bus->ops->rxctl(bus->dev, msg, len); +} + +/* * interface functions from common layer */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_cdc.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_cdc.c index 87536d3..b123d25 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_cdc.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_cdc.c @@ -117,9 +117,7 @@ static int brcmf_proto_cdc_msg(struct brcmf_pub *drvr) len = CDC_MAX_MSG_SIZE; /* Send request */ - return drvr->bus_if->brcmf_bus_txctl(drvr->dev, - (unsigned char *)&prot->msg, - len); + return brcmf_bus_txctl(drvr->bus_if, (unsigned char *)&prot->msg, len); } static int brcmf_proto_cdc_cmplt(struct brcmf_pub *drvr, u32 id, u32 len) @@ -128,11 +126,10 @@ static int brcmf_proto_cdc_cmplt(struct brcmf_pub *drvr, u32 id, u32 len) struct brcmf_proto *prot = drvr->prot; brcmf_dbg(TRACE, "Enter\n"); - + len += sizeof(struct brcmf_proto_cdc_dcmd); do { - ret = drvr->bus_if->brcmf_bus_rxctl(drvr->dev, - (unsigned char *)&prot->msg, - len + sizeof(struct brcmf_proto_cdc_dcmd)); + ret = brcmf_bus_rxctl(drvr->bus_if, (unsigned char *)&prot->msg, + len); if (ret < 0) break; } while (CDC_DCMD_ID(le32_to_cpu(prot->msg.flags)) != id); diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.c index 7e58e8c..57671ed 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.c @@ -20,6 +20,7 @@ #include <brcmu_wifi.h> #include <brcmu_utils.h> #include "dhd.h" +#include "dhd_bus.h" #include "dhd_dbg.h" static struct dentry *root_folder; @@ -42,10 +43,12 @@ void brcmf_debugfs_exit(void) int brcmf_debugfs_attach(struct brcmf_pub *drvr) { + struct device *dev = drvr->bus_if->dev; + if (!root_folder) return -ENODEV; - drvr->dbgfs_dir = debugfs_create_dir(dev_name(drvr->dev), root_folder); + drvr->dbgfs_dir = debugfs_create_dir(dev_name(dev), root_folder); return PTR_RET(drvr->dbgfs_dir); } diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c index b6c86b0..421b49c 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c @@ -219,7 +219,7 @@ static int brcmf_netdev_start_xmit(struct sk_buff *skb, struct net_device *ndev) brcmf_proto_hdrpush(drvr, ifp->idx, skb); /* Use bus module to send data frame */ - ret = drvr->bus_if->brcmf_bus_txdata(drvr->dev, skb); + ret = brcmf_bus_txdata(drvr->bus_if, skb); done: if (ret) @@ -397,7 +397,7 @@ static void brcmf_ethtool_get_drvinfo(struct net_device *ndev, sprintf(info->driver, KBUILD_MODNAME); sprintf(info->version, "%lu", drvr->drv_version); - sprintf(info->bus_info, "%s", dev_name(drvr->dev)); + sprintf(info->bus_info, "%s", dev_name(drvr->bus_if->dev)); } static const struct ethtool_ops brcmf_ethtool_ops = { @@ -753,7 +753,6 @@ int brcmf_attach(uint bus_hdrlen, struct device *dev) drvr->hdrlen = bus_hdrlen; drvr->bus_if = dev_get_drvdata(dev); drvr->bus_if->drvr = drvr; - drvr->dev = dev; /* create device debugfs folder */ brcmf_debugfs_attach(drvr); @@ -790,7 +789,7 @@ int brcmf_bus_start(struct device *dev) brcmf_dbg(TRACE, "\n"); /* Bring up the bus */ - ret = bus_if->brcmf_bus_init(dev); + ret = brcmf_bus_init(bus_if); if (ret != 0) { brcmf_dbg(ERROR, "brcmf_sdbrcm_bus_init failed %d\n", ret); return ret; @@ -809,7 +808,7 @@ int brcmf_bus_start(struct device *dev) if (ret < 0) goto fail; - drvr->config = brcmf_cfg80211_attach(drvr); + drvr->config = brcmf_cfg80211_attach(drvr, bus_if->dev); if (drvr->config == NULL) { ret = -ENOMEM; goto fail; @@ -842,7 +841,7 @@ static void brcmf_bus_detach(struct brcmf_pub *drvr) brcmf_proto_stop(drvr); /* Stop the bus module */ - drvr->bus_if->brcmf_bus_stop(drvr->dev); + brcmf_bus_stop(drvr->bus_if); } } diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c index 4572545..f2293bb 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c @@ -3883,6 +3883,14 @@ static void brcmf_sdbrcm_release(struct brcmf_sdio *bus) brcmf_dbg(TRACE, "Disconnected\n"); } +static struct brcmf_bus_ops brcmf_sdio_bus_ops = { + .stop = brcmf_sdbrcm_bus_stop, + .init = brcmf_sdbrcm_bus_init, + .txdata = brcmf_sdbrcm_bus_txdata, + .txctl = brcmf_sdbrcm_bus_txctl, + .rxctl = brcmf_sdbrcm_bus_rxctl, +}; + void *brcmf_sdbrcm_probe(u32 regsva, struct brcmf_sdio_dev *sdiodev) { int ret; @@ -3946,11 +3954,9 @@ void *brcmf_sdbrcm_probe(u32 regsva, struct brcmf_sdio_dev *sdiodev) spin_lock_init(&bus->dpc_tl_lock); /* Assign bus interface call back */ - bus->sdiodev->bus_if->brcmf_bus_stop = brcmf_sdbrcm_bus_stop; - bus->sdiodev->bus_if->brcmf_bus_init = brcmf_sdbrcm_bus_init; - bus->sdiodev->bus_if->brcmf_bus_txdata = brcmf_sdbrcm_bus_txdata; - bus->sdiodev->bus_if->brcmf_bus_txctl = brcmf_sdbrcm_bus_txctl; - bus->sdiodev->bus_if->brcmf_bus_rxctl = brcmf_sdbrcm_bus_rxctl; + bus->sdiodev->bus_if->dev = bus->sdiodev->dev; + bus->sdiodev->bus_if->ops = &brcmf_sdio_bus_ops; + /* Attach to the brcmf/OS/network interface */ ret = brcmf_attach(SDPCM_RESERVE, bus->sdiodev->dev); if (ret != 0) { diff --git a/drivers/net/wireless/brcm80211/brcmfmac/usb.c b/drivers/net/wireless/brcm80211/brcmfmac/usb.c index 39a5baa..5eb7bf8 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/usb.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/usb.c @@ -1228,6 +1228,14 @@ error: return NULL; } +static struct brcmf_bus_ops brcmf_usb_bus_ops = { + .txdata = brcmf_usb_tx, + .init = brcmf_usb_up, + .stop = brcmf_usb_down, + .txctl = brcmf_usb_tx_ctlpkt, + .rxctl = brcmf_usb_rx_ctlpkt, +}; + static int brcmf_usb_probe_cb(struct brcmf_usbdev_info *devinfo) { struct brcmf_bus *bus = NULL; @@ -1246,14 +1254,11 @@ static int brcmf_usb_probe_cb(struct brcmf_usbdev_info *devinfo) goto fail; } + bus->dev = dev; bus_pub->bus = bus; - bus->brcmf_bus_txdata = brcmf_usb_tx; - bus->brcmf_bus_init = brcmf_usb_up; - bus->brcmf_bus_stop = brcmf_usb_down; - bus->brcmf_bus_txctl = brcmf_usb_tx_ctlpkt; - bus->brcmf_bus_rxctl = brcmf_usb_rx_ctlpkt; bus->bus_priv.usb = bus_pub; dev_set_drvdata(dev, bus); + bus->ops = &brcmf_usb_bus_ops; /* Attach to the common driver interface */ ret = brcmf_attach(0, dev); diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c index 96bc349..4ddd58f 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c @@ -4271,10 +4271,10 @@ static void wl_deinit_priv(struct brcmf_cfg80211_info *cfg) brcmf_deinit_priv_mem(cfg); } -struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr) +struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr, + struct device *busdev) { struct net_device *ndev = drvr->iflist[0]->ndev; - struct device *busdev = drvr->dev; struct brcmf_cfg80211_info *cfg; struct wiphy *wiphy; struct brcmf_cfg80211_vif *vif; diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.h b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.h index d60de18..c163e4d 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.h +++ b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.h @@ -450,7 +450,8 @@ brcmf_cfg80211_connect_info *cfg_to_conn(struct brcmf_cfg80211_info *cfg) return &cfg->conn_info; } -struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr); +struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr, + struct device *busdev); void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg); s32 brcmf_cfg80211_up(struct net_device *ndev); s32 brcmf_cfg80211_down(struct net_device *ndev); |