diff options
author | John W. Linville <linville@tuxdriver.com> | 2011-09-19 15:42:21 -0400 |
---|---|---|
committer | John W. Linville <linville@tuxdriver.com> | 2011-09-19 15:42:21 -0400 |
commit | 376cf5d3fd3c84855f1bf8d62aa05b7e4bcf1b8c (patch) | |
tree | 5e34c6012ed5c2f1ef1dae2e34858be23f46773c /drivers | |
parent | 12e62d6f7ec475e546b40bece2045da15d6c21ef (diff) | |
parent | 045c745f8ccdb584ccc97f068c7c10c1090fbcf9 (diff) |
Merge branch 'for-linville' of git://github.com/lucacoelho/wl12xx
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/net/wireless/wl12xx/Kconfig | 10 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/acx.c | 40 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/acx.h | 18 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/cmd.c | 17 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/cmd.h | 7 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/conf.h | 23 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/debugfs.c | 88 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/event.c | 37 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/init.c | 5 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/main.c | 96 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/ps.c | 8 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/rx.c | 9 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/scan.c | 124 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/tx.c | 22 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/tx.h | 4 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/wl12xx.h | 8 |
16 files changed, 358 insertions, 158 deletions
diff --git a/drivers/net/wireless/wl12xx/Kconfig b/drivers/net/wireless/wl12xx/Kconfig index 07bcb1548d8..3fe388b87c2 100644 --- a/drivers/net/wireless/wl12xx/Kconfig +++ b/drivers/net/wireless/wl12xx/Kconfig @@ -19,16 +19,6 @@ config WL12XX If you choose to build a module, it will be called wl12xx. Say N if unsure. -config WL12XX_HT - bool "TI wl12xx 802.11 HT support (EXPERIMENTAL)" - depends on WL12XX && EXPERIMENTAL - default n - ---help--- - This will enable 802.11 HT support in the wl12xx module. - - That configuration is temporary due to the code incomplete and - still in testing process. - config WL12XX_SPI tristate "TI wl12xx SPI support" depends on WL12XX && SPI_MASTER diff --git a/drivers/net/wireless/wl12xx/acx.c b/drivers/net/wireless/wl12xx/acx.c index e047594794a..9809e41f06e 100644 --- a/drivers/net/wireless/wl12xx/acx.c +++ b/drivers/net/wireless/wl12xx/acx.c @@ -1691,3 +1691,43 @@ out: kfree(acx); return ret; } + +int wl12xx_acx_config_hangover(struct wl1271 *wl) +{ + struct wl12xx_acx_config_hangover *acx; + struct conf_hangover_settings *conf = &wl->conf.hangover; + int ret; + + wl1271_debug(DEBUG_ACX, "acx config hangover"); + + acx = kzalloc(sizeof(*acx), GFP_KERNEL); + if (!acx) { + ret = -ENOMEM; + goto out; + } + + acx->recover_time = cpu_to_le32(conf->recover_time); + acx->hangover_period = conf->hangover_period; + acx->dynamic_mode = conf->dynamic_mode; + acx->early_termination_mode = conf->early_termination_mode; + acx->max_period = conf->max_period; + acx->min_period = conf->min_period; + acx->increase_delta = conf->increase_delta; + acx->decrease_delta = conf->decrease_delta; + acx->quiet_time = conf->quiet_time; + acx->increase_time = conf->increase_time; + acx->window_size = acx->window_size; + + ret = wl1271_cmd_configure(wl, ACX_CONFIG_HANGOVER, acx, + sizeof(*acx)); + + if (ret < 0) { + wl1271_warning("acx config hangover failed: %d", ret); + goto out; + } + +out: + kfree(acx); + return ret; + +} diff --git a/drivers/net/wireless/wl12xx/acx.h b/drivers/net/wireless/wl12xx/acx.h index 758c596f62f..556ee4e282d 100644 --- a/drivers/net/wireless/wl12xx/acx.h +++ b/drivers/net/wireless/wl12xx/acx.h @@ -1144,6 +1144,23 @@ struct wl12xx_acx_set_rate_mgmt_params { u8 padding2[2]; } __packed; +struct wl12xx_acx_config_hangover { + struct acx_header header; + + __le32 recover_time; + u8 hangover_period; + u8 dynamic_mode; + u8 early_termination_mode; + u8 max_period; + u8 min_period; + u8 increase_delta; + u8 decrease_delta; + u8 quiet_time; + u8 increase_time; + u8 window_size; + u8 padding[2]; +} __packed; + enum { ACX_WAKE_UP_CONDITIONS = 0x0002, ACX_MEM_CFG = 0x0003, @@ -1281,5 +1298,6 @@ int wl1271_acx_config_ps(struct wl1271 *wl); int wl1271_acx_set_inconnection_sta(struct wl1271 *wl, u8 *addr); int wl1271_acx_fm_coex(struct wl1271 *wl); int wl12xx_acx_set_rate_mgmt_params(struct wl1271 *wl); +int wl12xx_acx_config_hangover(struct wl1271 *wl); #endif /* __WL1271_ACX_H__ */ diff --git a/drivers/net/wireless/wl12xx/cmd.c b/drivers/net/wireless/wl12xx/cmd.c index 817bc183bc8..084262f169b 100644 --- a/drivers/net/wireless/wl12xx/cmd.c +++ b/drivers/net/wireless/wl12xx/cmd.c @@ -895,7 +895,7 @@ int wl1271_cmd_configure(struct wl1271 *wl, u16 id, void *buf, size_t len) struct acx_header *acx = buf; int ret; - wl1271_debug(DEBUG_CMD, "cmd configure"); + wl1271_debug(DEBUG_CMD, "cmd configure (%d)", id); acx->id = cpu_to_le16(id); @@ -1413,7 +1413,7 @@ out: int wl12xx_cmd_add_peer(struct wl1271 *wl, struct ieee80211_sta *sta, u8 hlid) { struct wl12xx_cmd_add_peer *cmd; - int ret; + int i, ret; u32 sta_rates; wl1271_debug(DEBUG_CMD, "cmd add peer %d", (int)hlid); @@ -1424,15 +1424,19 @@ int wl12xx_cmd_add_peer(struct wl1271 *wl, struct ieee80211_sta *sta, u8 hlid) goto out; } - /* currently we don't support UAPSD */ - cmd->sp_len = 0; - memcpy(cmd->addr, sta->addr, ETH_ALEN); cmd->bss_index = WL1271_AP_BSS_INDEX; cmd->aid = sta->aid; cmd->hlid = hlid; + cmd->sp_len = sta->max_sp; cmd->wmm = sta->wme ? 1 : 0; + for (i = 0; i < NUM_ACCESS_CATEGORIES_COPY; i++) + if (sta->wme && (sta->uapsd_queues & BIT(i))) + cmd->psd_type[i] = WL1271_PSD_UPSD_TRIGGER; + else + cmd->psd_type[i] = WL1271_PSD_LEGACY; + sta_rates = sta->supp_rates[wl->band]; if (sta->ht_cap.ht_supported) sta_rates |= sta->ht_cap.mcs.rx_mask[0] << HW_HT_RATES_OFFSET; @@ -1440,7 +1444,8 @@ int wl12xx_cmd_add_peer(struct wl1271 *wl, struct ieee80211_sta *sta, u8 hlid) cmd->supported_rates = cpu_to_le32(wl1271_tx_enabled_rates_get(wl, sta_rates)); - wl1271_debug(DEBUG_CMD, "new peer rates: 0x%x", cmd->supported_rates); + wl1271_debug(DEBUG_CMD, "new peer rates=0x%x queues=0x%x", + cmd->supported_rates, sta->uapsd_queues); ret = wl1271_cmd_send(wl, CMD_ADD_PEER, cmd, sizeof(*cmd), 0); if (ret < 0) { diff --git a/drivers/net/wireless/wl12xx/cmd.h b/drivers/net/wireless/wl12xx/cmd.h index 22c2f373dd0..8e4d11ec0c5 100644 --- a/drivers/net/wireless/wl12xx/cmd.h +++ b/drivers/net/wireless/wl12xx/cmd.h @@ -591,6 +591,13 @@ enum wl12xx_ssid_type { WL12XX_SSID_TYPE_ANY = 2, }; +enum wl1271_psd_type { + WL1271_PSD_LEGACY = 0, + WL1271_PSD_UPSD_TRIGGER = 1, + WL1271_PSD_LEGACY_PSPOLL = 2, + WL1271_PSD_SAPSD = 3 +}; + struct wl12xx_cmd_add_peer { struct wl1271_cmd_header header; diff --git a/drivers/net/wireless/wl12xx/conf.h b/drivers/net/wireless/wl12xx/conf.h index 82f205c4334..45428a21f9e 100644 --- a/drivers/net/wireless/wl12xx/conf.h +++ b/drivers/net/wireless/wl12xx/conf.h @@ -916,14 +916,6 @@ struct conf_conn_settings { u8 psm_entry_nullfunc_retries; /* - * Specifies the time to linger in active mode after successfully - * transmitting the PSM entry null-func frame. - * - * Range 0 - 255 TU's - */ - u8 psm_entry_hangover_period; - - /* * * Specifies the interval of the connection keep-alive null-func * frame in ms. @@ -1236,6 +1228,20 @@ struct conf_rate_policy_settings { u8 rate_retry_policy[ACX_RATE_MGMT_NUM_OF_RATES]; }; +struct conf_hangover_settings { + u32 recover_time; + u8 hangover_period; + u8 dynamic_mode; + u8 early_termination_mode; + u8 max_period; + u8 min_period; + u8 increase_delta; + u8 decrease_delta; + u8 quiet_time; + u8 increase_time; + u8 window_size; +}; + struct conf_drv_settings { struct conf_sg_settings sg; struct conf_rx_settings rx; @@ -1254,6 +1260,7 @@ struct conf_drv_settings { struct conf_rx_streaming_settings rx_streaming; struct conf_fwlog fwlog; struct conf_rate_policy_settings rate; + struct conf_hangover_settings hangover; u8 hci_io_ds; }; diff --git a/drivers/net/wireless/wl12xx/debugfs.c b/drivers/net/wireless/wl12xx/debugfs.c index d59354f5370..3999fd52830 100644 --- a/drivers/net/wireless/wl12xx/debugfs.c +++ b/drivers/net/wireless/wl12xx/debugfs.c @@ -265,18 +265,10 @@ static ssize_t gpio_power_write(struct file *file, size_t count, loff_t *ppos) { struct wl1271 *wl = file->private_data; - char buf[10]; - size_t len; unsigned long value; int ret; - len = min(count, sizeof(buf) - 1); - if (copy_from_user(buf, user_buf, len)) { - return -EFAULT; - } - buf[len] = '\0'; - - ret = kstrtoul(buf, 0, &value); + ret = kstrtoul_from_user(user_buf, count, 10, &value); if (ret < 0) { wl1271_warning("illegal value in gpio_power"); return -EINVAL; @@ -427,17 +419,10 @@ static ssize_t dtim_interval_write(struct file *file, size_t count, loff_t *ppos) { struct wl1271 *wl = file->private_data; - char buf[10]; - size_t len; unsigned long value; int ret; - len = min(count, sizeof(buf) - 1); - if (copy_from_user(buf, user_buf, len)) - return -EFAULT; - buf[len] = '\0'; - - ret = kstrtoul(buf, 0, &value); + ret = kstrtoul_from_user(user_buf, count, 10, &value); if (ret < 0) { wl1271_warning("illegal value for dtim_interval"); return -EINVAL; @@ -492,17 +477,10 @@ static ssize_t beacon_interval_write(struct file *file, size_t count, loff_t *ppos) { struct wl1271 *wl = file->private_data; - char buf[10]; - size_t len; unsigned long value; int ret; - len = min(count, sizeof(buf) - 1); - if (copy_from_user(buf, user_buf, len)) - return -EFAULT; - buf[len] = '\0'; - - ret = kstrtoul(buf, 0, &value); + ret = kstrtoul_from_user(user_buf, count, 10, &value); if (ret < 0) { wl1271_warning("illegal value for beacon_interval"); return -EINVAL; @@ -542,17 +520,10 @@ static ssize_t rx_streaming_interval_write(struct file *file, size_t count, loff_t *ppos) { struct wl1271 *wl = file->private_data; - char buf[10]; - size_t len; unsigned long value; int ret; - len = min(count, sizeof(buf) - 1); - if (copy_from_user(buf, user_buf, len)) - return -EFAULT; - buf[len] = '\0'; - - ret = kstrtoul(buf, 0, &value); + ret = kstrtoul_from_user(user_buf, count, 10, &value); if (ret < 0) { wl1271_warning("illegal value in rx_streaming_interval!"); return -EINVAL; @@ -601,17 +572,10 @@ static ssize_t rx_streaming_always_write(struct file *file, size_t count, loff_t *ppos) { struct wl1271 *wl = file->private_data; - char buf[10]; - size_t len; unsigned long value; int ret; - len = min(count, sizeof(buf) - 1); - if (copy_from_user(buf, user_buf, len)) - return -EFAULT; - buf[len] = '\0'; - - ret = kstrtoul(buf, 0, &value); + ret = kstrtoul_from_user(user_buf, count, 10, &value); if (ret < 0) { wl1271_warning("illegal value in rx_streaming_write!"); return -EINVAL; @@ -655,6 +619,47 @@ static const struct file_operations rx_streaming_always_ops = { .llseek = default_llseek, }; +static ssize_t beacon_filtering_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct wl1271 *wl = file->private_data; + char buf[10]; + size_t len; + unsigned long value; + int ret; + + len = min(count, sizeof(buf) - 1); + if (copy_from_user(buf, user_buf, len)) + return -EFAULT; + buf[len] = '\0'; + + ret = kstrtoul(buf, 0, &value); + if (ret < 0) { + wl1271_warning("illegal value for beacon_filtering!"); + return -EINVAL; + } + + mutex_lock(&wl->mutex); + + ret = wl1271_ps_elp_wakeup(wl); + if (ret < 0) + goto out; + + ret = wl1271_acx_beacon_filter_opt(wl, !!value); + + wl1271_ps_elp_sleep(wl); +out: + mutex_unlock(&wl->mutex); + return count; +} + +static const struct file_operations beacon_filtering_ops = { + .write = beacon_filtering_write, + .open = wl1271_open_file_generic, + .llseek = default_llseek, +}; + static int wl1271_debugfs_add_files(struct wl1271 *wl, struct dentry *rootdir) { @@ -767,6 +772,7 @@ static int wl1271_debugfs_add_files(struct wl1271 *wl, DEBUGFS_ADD(driver_state, rootdir); DEBUGFS_ADD(dtim_interval, rootdir); DEBUGFS_ADD(beacon_interval, rootdir); + DEBUGFS_ADD(beacon_filtering, rootdir); streaming = debugfs_create_dir("rx_streaming", rootdir); if (!streaming || IS_ERR(streaming)) diff --git a/drivers/net/wireless/wl12xx/event.c b/drivers/net/wireless/wl12xx/event.c index 0bd7b020a42..c73fe4c6b61 100644 --- a/drivers/net/wireless/wl12xx/event.c +++ b/drivers/net/wireless/wl12xx/event.c @@ -171,19 +171,26 @@ static void wl1271_event_rssi_trigger(struct wl1271 *wl, wl->last_rssi_event = event; } -static void wl1271_stop_ba_event(struct wl1271 *wl, u8 ba_allowed) +static void wl1271_stop_ba_event(struct wl1271 *wl) { - /* Convert the value to bool */ - wl->ba_allowed = !!ba_allowed; - - /* - * Return in case: - * there are not BA open or the event indication is to allowed BA - */ - if ((!wl->ba_rx_bitmap) || (wl->ba_allowed)) - return; + if (wl->bss_type != BSS_TYPE_AP_BSS) { + if (!wl->ba_rx_bitmap) + return; + ieee80211_stop_rx_ba_session(wl->vif, wl->ba_rx_bitmap, + wl->bssid); + } else { + int i; + struct wl1271_link *lnk; + for (i = WL1271_AP_STA_HLID_START; i < WL12XX_MAX_LINKS; i++) { + lnk = &wl->links[i]; + if (!wl1271_is_active_sta(wl, i) || !lnk->ba_bitmap) + continue; - ieee80211_stop_rx_ba_session(wl->vif, wl->ba_rx_bitmap, wl->bssid); + ieee80211_stop_rx_ba_session(wl->vif, + lnk->ba_bitmap, + lnk->addr); + } + } } static void wl12xx_event_soft_gemini_sense(struct wl1271 *wl, @@ -283,12 +290,14 @@ static int wl1271_event_process(struct wl1271 *wl, struct event_mailbox *mbox) wl1271_event_rssi_trigger(wl, mbox); } - if ((vector & BA_SESSION_RX_CONSTRAINT_EVENT_ID) && !is_ap) { + if ((vector & BA_SESSION_RX_CONSTRAINT_EVENT_ID)) { wl1271_debug(DEBUG_EVENT, "BA_SESSION_RX_CONSTRAINT_EVENT_ID. " "ba_allowed = 0x%x", mbox->rx_ba_allowed); - if (wl->vif) - wl1271_stop_ba_event(wl, mbox->rx_ba_allowed); + wl->ba_allowed = !!mbox->rx_ba_allowed; + + if (wl->vif && !wl->ba_allowed) + wl1271_stop_ba_event(wl); } if ((vector & DUMMY_PACKET_EVENT_ID)) { diff --git a/drivers/net/wireless/wl12xx/init.c b/drivers/net/wireless/wl12xx/init.c index b13bebea95e..09515f5e5e1 100644 --- a/drivers/net/wireless/wl12xx/init.c +++ b/drivers/net/wireless/wl12xx/init.c @@ -707,6 +707,11 @@ int wl1271_hw_init(struct wl1271 *wl) if (ret < 0) goto out_free_memmap; + /* configure hangover */ + ret = wl12xx_acx_config_hangover(wl); + if (ret < 0) + goto out_free_memmap; + return 0; out_free_memmap: diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c index bde84027ab7..680f5582618 100644 --- a/drivers/net/wireless/wl12xx/main.c +++ b/drivers/net/wireless/wl12xx/main.c @@ -239,7 +239,6 @@ static struct conf_drv_settings default_conf = { .psm_entry_retries = 8, .psm_exit_retries = 16, .psm_entry_nullfunc_retries = 3, - .psm_entry_hangover_period = 1, .keep_alive_interval = 55000, .max_listen_interval = 20, }, @@ -267,8 +266,8 @@ static struct conf_drv_settings default_conf = { }, .sched_scan = { /* sched_scan requires dwell times in TU instead of TU/1000 */ - .min_dwell_time_active = 8, - .max_dwell_time_active = 30, + .min_dwell_time_active = 30, + .max_dwell_time_active = 60, .dwell_time_passive = 100, .dwell_time_dfs = 150, .num_probe_reqs = 2, @@ -359,9 +358,23 @@ static struct conf_drv_settings default_conf = { 0x00, 0x00, 0x00, }, }, + .hangover = { + .recover_time = 0, + .hangover_period = 20, + .dynamic_mode = 1, + .early_termination_mode = 1, + .max_period = 20, + .min_period = 1, + .increase_delta = 1, + .decrease_delta = 2, + .quiet_time = 4, + .increase_time = 1, + .window_size = 16, + }, }; static char *fwlog_param; +static bool bug_on_recovery; static void __wl1271_op_remove_interface(struct wl1271 *wl, bool reset_tx_queues); @@ -757,13 +770,14 @@ static int wl1271_plt_init(struct wl1271 *wl) static void wl12xx_irq_ps_regulate_link(struct wl1271 *wl, u8 hlid, u8 tx_pkts) { - bool fw_ps; + bool fw_ps, single_sta; /* only regulate station links */ if (hlid < WL1271_AP_STA_HLID_START) return; fw_ps = test_bit(hlid, (unsigned long *)&wl->ap_fw_ps_map); + single_sta = (wl->active_sta_count == 1); /* * Wake up from high level PS if the STA is asleep with too little @@ -772,8 +786,12 @@ static void wl12xx_irq_ps_regulate_link(struct wl1271 *wl, u8 hlid, u8 tx_pkts) if (!fw_ps || tx_pkts < WL1271_PS_STA_MAX_PACKETS) wl1271_ps_link_end(wl, hlid); - /* Start high-level PS if the STA is asleep with enough blocks in FW */ - else if (fw_ps && tx_pkts >= WL1271_PS_STA_MAX_PACKETS) + /* + * Start high-level PS if the STA is asleep with enough blocks in FW. + * Make an exception if this is the only connected station. In this + * case FW-memory congestion is not a problem. + */ + else if (!single_sta && fw_ps && tx_pkts >= WL1271_PS_STA_MAX_PACKETS) wl1271_ps_link_start(wl, hlid, true); } @@ -1213,6 +1231,8 @@ static void wl1271_recovery_work(struct work_struct *work) wl1271_info("Hardware recovery in progress. FW ver: %s pc: 0x%x", wl->chip.fw_ver_str, wl1271_read32(wl, SCR_PAD4)); + BUG_ON(bug_on_recovery); + /* * Advance security sequence number to overcome potential progress * in the firmware during recovery. This doens't hurt if the network is @@ -1222,9 +1242,6 @@ static void wl1271_recovery_work(struct work_struct *work) test_bit(WL1271_FLAG_AP_STARTED, &wl->flags)) wl->tx_security_seq += WL1271_TX_SQN_POST_RECOVERY_PADDING; - if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) - ieee80211_connection_loss(wl->vif); - /* Prevent spurious TX during FW restart */ ieee80211_stop_queues(wl->hw); @@ -1528,7 +1545,13 @@ out: int wl1271_tx_dummy_packet(struct wl1271 *wl) { unsigned long flags; - int q = wl1271_tx_get_queue(skb_get_queue_mapping(wl->dummy_packet)); + int q; + + /* no need to queue a new dummy packet if one is already pending */ + if (test_bit(WL1271_FLAG_DUMMY_PACKET_PENDING, &wl->flags)) + return 0; + + q = wl1271_tx_get_queue(skb_get_queue_mapping(wl->dummy_packet)); spin_lock_irqsave(&wl->wl_lock, flags); set_bit(WL1271_FLAG_DUMMY_PACKET_PENDING, &wl->flags); @@ -1802,10 +1825,16 @@ static u8 wl12xx_get_role_type(struct wl1271 *wl) { switch (wl->bss_type) { case BSS_TYPE_AP_BSS: - return WL1271_ROLE_AP; + if (wl->p2p) + return WL1271_ROLE_P2P_GO; + else + return WL1271_ROLE_AP; case BSS_TYPE_STA_BSS: - return WL1271_ROLE_STA; + if (wl->p2p) + return WL1271_ROLE_P2P_CL; + else + return WL1271_ROLE_STA; case BSS_TYPE_IBSS: return WL1271_ROLE_IBSS; @@ -1827,7 +1856,7 @@ static int wl1271_op_add_interface(struct ieee80211_hw *hw, bool booted = false; wl1271_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM", - vif->type, vif->addr); + ieee80211_vif_type_p2p(vif), vif->addr); mutex_lock(&wl->mutex); if (wl->vif) { @@ -1847,7 +1876,10 @@ static int wl1271_op_add_interface(struct ieee80211_hw *hw, goto out; } - switch (vif->type) { + switch (ieee80211_vif_type_p2p(vif)) { + case NL80211_IFTYPE_P2P_CLIENT: + wl->p2p = 1; + /* fall-through */ case NL80211_IFTYPE_STATION: wl->bss_type = BSS_TYPE_STA_BSS; wl->set_bss_type = BSS_TYPE_STA_BSS; @@ -1856,6 +1888,9 @@ static int wl1271_op_add_interface(struct ieee80211_hw *hw, wl->bss_type = BSS_TYPE_IBSS; wl->set_bss_type = BSS_TYPE_STA_BSS; break; + case NL80211_IFTYPE_P2P_GO: + wl->p2p = 1; + /* fall-through */ case NL80211_IFTYPE_AP: wl->bss_type = BSS_TYPE_AP_BSS; break; @@ -2051,6 +2086,7 @@ deinit: wl->ssid_len = 0; wl->bss_type = MAX_BSS_TYPE; wl->set_bss_type = MAX_BSS_TYPE; + wl->p2p = 0; wl->band = IEEE80211_BAND_2GHZ; wl->rx_counter = 0; @@ -2075,6 +2111,7 @@ deinit: memset(wl->roles_map, 0, sizeof(wl->roles_map)); memset(wl->links_map, 0, sizeof(wl->links_map)); memset(wl->roc_map, 0, sizeof(wl->roc_map)); + wl->active_sta_count = 0; /* The system link is always allocated */ __set_bit(WL12XX_SYSTEM_HLID, wl->links_map); @@ -3729,14 +3766,18 @@ static int wl1271_allocate_sta(struct wl1271 *wl, wl_sta->hlid = WL1271_AP_STA_HLID_START + id; *hlid = wl_sta->hlid; memcpy(wl->links[wl_sta->hlid].addr, sta->addr, ETH_ALEN); + wl->active_sta_count++; return 0; } -static void wl1271_free_sta(struct wl1271 *wl, u8 hlid) +void wl1271_free_sta(struct wl1271 *wl, u8 hlid) { int id = hlid - WL1271_AP_STA_HLID_START; - if (WARN_ON(!test_bit(id, wl->ap_hlid_map))) + if (hlid < WL1271_AP_STA_HLID_START) + return; + + if (!test_bit(id, wl->ap_hlid_map)) return; clear_bit(id, wl->ap_hlid_map); @@ -3745,6 +3786,7 @@ static void wl1271_free_sta(struct wl1271 *wl, u8 hlid) wl1271_tx_reset_link_queues(wl, hlid); __clear_bit(hlid, &wl->ap_ps_map); __clear_bit(hlid, (unsigned long *)&wl->ap_fw_ps_map); + wl->active_sta_count--; } static int wl1271_op_sta_add(struct ieee80211_hw *hw, @@ -4066,7 +4108,6 @@ static const u8 wl1271_rate_to_idx_2ghz[] = { /* 11n STA capabilities */ #define HW_RX_HIGHEST_RATE 72 -#ifdef CONFIG_WL12XX_HT #define WL12XX_HT_CAP { \ .cap = IEEE80211_HT_CAP_GRN_FLD | IEEE80211_HT_CAP_SGI_20 | \ (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT), \ @@ -4079,11 +4120,6 @@ static const u8 wl1271_rate_to_idx_2ghz[] = { .tx_params = IEEE80211_HT_MCS_TX_DEFINED, \ }, \ } -#else -#define WL12XX_HT_CAP { \ - .ht_supported = false, \ -} -#endif /* can't be const, mac80211 writes to this */ static struct ieee80211_supported_band wl1271_band_2ghz = { @@ -4483,15 +4519,19 @@ int wl1271_init_ieee80211(struct wl1271 *wl) IEEE80211_HW_SUPPORTS_CQM_RSSI | IEEE80211_HW_REPORTS_TX_ACK_STATUS | IEEE80211_HW_SPECTRUM_MGMT | - IEEE80211_HW_AP_LINK_PS; + IEEE80211_HW_AP_LINK_PS | + IEEE80211_HW_AMPDU_AGGREGATION | + IEEE80211_HW_TX_AMPDU_SETUP_IN_HW; wl->hw->wiphy->cipher_suites = cipher_suites; wl->hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | - BIT(NL80211_IFTYPE_ADHOC) | BIT(NL80211_IFTYPE_AP); + BIT(NL80211_IFTYPE_ADHOC) | BIT(NL80211_IFTYPE_AP) | + BIT(NL80211_IFTYPE_P2P_CLIENT) | BIT(NL80211_IFTYPE_P2P_GO); wl->hw->wiphy->max_scan_ssids = 1; - wl->hw->wiphy->max_sched_scan_ssids = 8; + wl->hw->wiphy->max_sched_scan_ssids = 16; + wl->hw->wiphy->max_match_sets = 16; /* * Maximum length of elements in scanning probe request templates * should be the maximum length possible for a template, without @@ -4500,6 +4540,8 @@ int wl1271_init_ieee80211(struct wl1271 *wl) wl->hw->wiphy->max_scan_ie_len = WL1271_CMD_TEMPL_DFLT_SIZE - sizeof(struct ieee80211_header); + wl->hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD; + /* make sure all our channels fit in the scanned_ch bitmask */ BUILD_BUG_ON(ARRAY_SIZE(wl1271_channels) + ARRAY_SIZE(wl1271_channels_5ghz) > @@ -4625,6 +4667,7 @@ struct ieee80211_hw *wl1271_alloc_hw(void) wl->session_counter = 0; wl->ap_bcast_hlid = WL12XX_INVALID_LINK_ID; wl->ap_global_hlid = WL12XX_INVALID_LINK_ID; + wl->active_sta_count = 0; setup_timer(&wl->rx_streaming_timer, wl1271_rx_streaming_timer, (unsigned long) wl); wl->fwlog_size = 0; @@ -4776,6 +4819,9 @@ module_param_named(fwlog, fwlog_param, charp, 0); MODULE_PARM_DESC(keymap, "FW logger options: continuous, ondemand, dbgpins or disable"); +module_param(bug_on_recovery, bool, S_IRUSR | S_IWUSR); +MODULE_PARM_DESC(bug_on_recovery, "BUG() on fw recovery"); + MODULE_LICENSE("GPL"); MODULE_AUTHOR("Luciano Coelho <coelho@ti.com>"); MODULE_AUTHOR("Juuso Oikarinen <juuso.oikarinen@nokia.com>"); diff --git a/drivers/net/wireless/wl12xx/ps.c b/drivers/net/wireless/wl12xx/ps.c index 4b720b1b9f6..c15ebf2efd4 100644 --- a/drivers/net/wireless/wl12xx/ps.c +++ b/drivers/net/wireless/wl12xx/ps.c @@ -199,15 +199,19 @@ static void wl1271_ps_filter_frames(struct wl1271 *wl, u8 hlid) unsigned long flags; int filtered[NUM_TX_QUEUES]; - /* filter all frames currently the low level queus for this hlid */ + /* filter all frames currently in the low level queues for this hlid */ for (i = 0; i < NUM_TX_QUEUES; i++) { filtered[i] = 0; while ((skb = skb_dequeue(&wl->links[hlid].tx_queue[i]))) { + filtered[i]++; + + if (WARN_ON(wl12xx_is_dummy_packet(wl, skb))) + continue; + info = IEEE80211_SKB_CB(skb); info->flags |= IEEE80211_TX_STAT_TX_FILTERED; info->status.rates[0].idx = -1; ieee80211_tx_status_ni(wl->hw, skb); - filtered[i]++; } } diff --git a/drivers/net/wireless/wl12xx/rx.c b/drivers/net/wireless/wl12xx/rx.c index 78d8410da1f..dee4cfe9ccc 100644 --- a/drivers/net/wireless/wl12xx/rx.c +++ b/drivers/net/wireless/wl12xx/rx.c @@ -66,11 +66,9 @@ static void wl1271_rx_status(struct wl1271 *wl, status->rate_idx = wl1271_rate_to_idx(desc->rate, status->band); -#ifdef CONFIG_WL12XX_HT /* 11n support */ if (desc->rate <= CONF_HW_RXTX_RATE_MCS0) status->flag |= RX_FLAG_HT; -#endif status->signal = desc->rssi; @@ -107,6 +105,7 @@ static int wl1271_rx_handle_data(struct wl1271 *wl, u8 *data, u32 length, u8 beacon = 0; u8 is_data = 0; u8 reserved = unaligned ? NET_IP_ALIGN : 0; + u16 seq_num; /* * In PLT mode we seem to get frames and mac80211 warns about them, @@ -169,9 +168,11 @@ static int wl1271_rx_handle_data(struct wl1271 *wl, u8 *data, u32 length, wl1271_rx_status(wl, desc, IEEE80211_SKB_RXCB(skb), beacon); - wl1271_debug(DEBUG_RX, "rx skb 0x%p: %d B %s", skb, + seq_num = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4; + wl1271_debug(DEBUG_RX, "rx skb 0x%p: %d B %s seq %d", skb, skb->len - desc->pad_len, - beacon ? "beacon" : ""); + beacon ? "beacon" : "", + seq_num); skb_trim(skb, skb->len - desc->pad_len); diff --git a/drivers/net/wireless/wl12xx/scan.c b/drivers/net/wireless/wl12xx/scan.c index af4ad2353f5..eeccc9f095b 100644 --- a/drivers/net/wireless/wl12xx/scan.c +++ b/drivers/net/wireless/wl12xx/scan.c @@ -65,8 +65,9 @@ void wl1271_scan_complete_work(struct work_struct *work) /* return to ROC if needed */ is_sta = (wl->bss_type == BSS_TYPE_STA_BSS); is_ibss = (wl->bss_type == BSS_TYPE_IBSS); - if ((is_sta && !test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) || - (is_ibss && !test_bit(WL1271_FLAG_IBSS_JOINED, &wl->flags))) { + if (((is_sta && !test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) || + (is_ibss && !test_bit(WL1271_FLAG_IBSS_JOINED, &wl->flags))) && + !test_bit(wl->dev_role_id, wl->roc_map)) { /* restore remain on channel */ wl12xx_cmd_role_start_dev(wl); wl12xx_roc(wl, wl->dev_role_id); @@ -164,9 +165,6 @@ static int wl1271_scan_send(struct wl1271 *wl, enum ieee80211_band band, goto out; } - /* We always use high priority scans */ - scan_options = WL1271_SCAN_OPT_PRIORITY_HIGH; - /* No SSIDs means that we have a forced passive scan */ if (passive || wl->scan.req->n_ssids == 0) scan_options |= WL1271_SCAN_OPT_PASSIVE; @@ -473,34 +471,86 @@ wl1271_scan_sched_scan_channels(struct wl1271 *wl, cfg->passive[2] || cfg->active[2]; } -/* Returns 0 if no wildcard is used, 1 if wildcard is used or a - * negative value on error */ +/* Returns the scan type to be used or a negative value on error */ static int wl12xx_scan_sched_scan_ssid_list(struct wl1271 *wl, struct cfg80211_sched_scan_request *req) { struct wl1271_cmd_sched_scan_ssid_list *cmd = NULL; - struct cfg80211_ssid *ssid = req->ssids; - int ret, wildcard = 0; + struct cfg80211_match_set *sets = req->match_sets; + struct cfg80211_ssid *ssids = req->ssids; + int ret = 0, type, i, j, n_match_ssids = 0; wl1271_debug(DEBUG_CMD, "cmd sched scan ssid list"); + /* count the match sets that contain SSIDs */ + for (i = 0; i < req->n_match_sets; i++) + if (sets[i].ssid.ssid_len > 0) + n_match_ssids++; + + /* No filter, no ssids or only bcast ssid */ + if (!n_match_ssids && + (!req->n_ssids || + (req->n_ssids == 1 && req->ssids[0].ssid_len == 0))) { + type = SCAN_SSID_FILTER_ANY; + goto out; + } + cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); - if (!cmd) - return -ENOMEM; + if (!cmd) { + ret = -ENOMEM; + goto out; + } + + if (!n_match_ssids) { + /* No filter, with ssids */ + type = SCAN_SSID_FILTER_DISABLED; + + for (i = 0; i < req->n_ssids; i++) { + cmd->ssids[cmd->n_ssids].type = (ssids[i].ssid_len) ? + SCAN_SSID_TYPE_HIDDEN : SCAN_SSID_TYPE_PUBLIC; + cmd->ssids[cmd->n_ssids].len = ssids[i].ssid_len; + memcpy(cmd->ssids[cmd->n_ssids].ssid, ssids[i].ssid, + ssids[i].ssid_len); + cmd->n_ssids++; + } + } else { + type = SCAN_SSID_FILTER_LIST; + + /* Add all SSIDs from the filters */ + for (i = 0; i < req->n_match_sets; i++) { + /* ignore sets without SSIDs */ + if (!sets[i].ssid.ssid_len) + continue; - while ((cmd->n_ssids < req->n_ssids) && ssid) { - if (ssid->ssid_len == 0) { - wildcard = 1; cmd->ssids[cmd->n_ssids].type = SCAN_SSID_TYPE_PUBLIC; - } else { - cmd->ssids[cmd->n_ssids].type = SCAN_SSID_TYPE_HIDDEN; + cmd->ssids[cmd->n_ssids].len = sets[i].ssid.ssid_len; + memcpy(cmd->ssids[cmd->n_ssids].ssid, + sets[i].ssid.ssid, sets[i].ssid.ssid_len); + cmd->n_ssids++; + } + if ((req->n_ssids > 1) || + (req->n_ssids == 1 && req->ssids[0].ssid_len > 0)) { + /* + * Mark all the SSIDs passed in the SSID list as HIDDEN, + * so they're used in probe requests. + */ + for (i = 0; i < req->n_ssids; i++) { + for (j = 0; j < cmd->n_ssids; j++) + if (!memcmp(req->ssids[i].ssid, + cmd->ssids[j].ssid, + req->ssids[i].ssid_len)) { + cmd->ssids[j].type = + SCAN_SSID_TYPE_HIDDEN; + break; + } + /* Fail if SSID isn't present in the filters */ + if (j == req->n_ssids) { + ret = -EINVAL; + goto out_free; + } + } } - cmd->ssids[cmd->n_ssids].len = ssid->ssid_len; - memcpy(cmd->ssids[cmd->n_ssids].ssid, ssid->ssid, - ssid->ssid_len); - ssid++; - cmd->n_ssids++; } wl1271_dump(DEBUG_SCAN, "SSID_LIST: ", cmd, sizeof(*cmd)); @@ -509,13 +559,15 @@ wl12xx_scan_sched_scan_ssid_list(struct wl1271 *wl, sizeof(*cmd), 0); if (ret < 0) { wl1271_error("cmd sched scan ssid list failed"); - goto out; + goto out_free; } - ret = wildcard; -out: +out_free: kfree(cmd); - return ret; +out: + if (ret < 0) + return ret; + return type; } int wl1271_scan_sched_scan_config(struct wl1271 *wl, @@ -550,21 +602,13 @@ int wl1271_scan_sched_scan_config(struct wl1271 *wl, cfg->intervals[i] = cpu_to_le32(req->interval); cfg->ssid_len = 0; - if (req->n_ssids == 0) { - wl1271_debug(DEBUG_SCAN, "using SCAN_SSID_FILTER_ANY"); - cfg->filter_type = SCAN_SSID_FILTER_ANY; - } else { - ret = wl12xx_scan_sched_scan_ssid_list(wl, req); - if (ret < 0) - goto out; - if (ret) { - wl1271_debug(DEBUG_SCAN, "using SCAN_SSID_FILTER_DISABLED"); - cfg->filter_type = SCAN_SSID_FILTER_DISABLED; - } else { - wl1271_debug(DEBUG_SCAN, "using SCAN_SSID_FILTER_LIST"); - cfg->filter_type = SCAN_SSID_FILTER_LIST; - } - } + ret = wl12xx_scan_sched_scan_ssid_list(wl, req); + if (ret < 0) + goto out; + + cfg->filter_type = ret; + + wl1271_debug(DEBUG_SCAN, "filter_type = %d", cfg->filter_type); if (!wl1271_scan_sched_scan_channels(wl, req, cfg)) { wl1271_error("scan channel list is empty"); diff --git a/drivers/net/wireless/wl12xx/tx.c b/drivers/net/wireless/wl12xx/tx.c index 08227e69616..9d4157ce095 100644 --- a/drivers/net/wireless/wl12xx/tx.c +++ b/drivers/net/wireless/wl12xx/tx.c @@ -30,6 +30,7 @@ #include "reg.h" #include "ps.h" #include "tx.h" +#include "event.h" static int wl1271_set_default_wep_key(struct wl1271 *wl, u8 id) { @@ -125,25 +126,31 @@ static void wl1271_tx_ap_update_inconnection_sta(struct wl1271 *wl, static void wl1271_tx_regulate_link(struct wl1271 *wl, u8 hlid) { - bool fw_ps; + bool fw_ps, single_sta; u8 tx_pkts; /* only regulate station links */ if (hlid < WL1271_AP_STA_HLID_START) return; + if (WARN_ON(!wl1271_is_active_sta(wl, hlid))) + return; + fw_ps = test_bit(hlid, (unsigned long *)&wl->ap_fw_ps_map); tx_pkts = wl->links[hlid].allocated_pkts; + single_sta = (wl->active_sta_count == 1); /* * if in FW PS and there is enough data in FW we can put the link * into high-level PS and clean out its TX queues. + * Make an exception if this is the only connected station. In this + * case FW-memory congestion is not a problem. */ - if (fw_ps && tx_pkts >= WL1271_PS_STA_MAX_PACKETS) + if (!single_sta && fw_ps && tx_pkts >= WL1271_PS_STA_MAX_PACKETS) wl1271_ps_link_start(wl, hlid, true); } -static bool wl12xx_is_dummy_packet(struct wl1271 *wl, struct sk_buff *skb) +bool wl12xx_is_dummy_packet(struct wl1271 *wl, struct sk_buff *skb) { return wl->dummy_packet == skb; } @@ -453,7 +460,6 @@ u32 wl1271_tx_enabled_rates_get(struct wl1271 *wl, u32 rate_set) rate_set >>= 1; } -#ifdef CONFIG_WL12XX_HT /* MCS rates indication are on bits 16 - 23 */ rate_set >>= HW_HT_RATES_OFFSET - band->n_bitrates; @@ -462,7 +468,6 @@ u32 wl1271_tx_enabled_rates_get(struct wl1271 *wl, u32 rate_set) enabled_rates |= (CONF_HW_BIT_RATE_MCS_0 << bit); rate_set >>= 1; } -#endif return enabled_rates; } @@ -886,6 +891,7 @@ void wl1271_tx_reset(struct wl1271 *wl, bool reset_tx_queues) /* TX failure */ if (wl->bss_type == BSS_TYPE_AP_BSS) { for (i = 0; i < AP_MAX_LINKS; i++) { + wl1271_free_sta(wl, i); wl1271_tx_reset_link_queues(wl, i); wl->links[i].allocated_pkts = 0; wl->links[i].prev_freed_pkts = 0; @@ -905,10 +911,14 @@ void wl1271_tx_reset(struct wl1271 *wl, bool reset_tx_queues) ieee80211_tx_status_ni(wl->hw, skb); } } - wl->tx_queue_count[i] = 0; } + + wl->ba_rx_bitmap = 0; } + for (i = 0; i < NUM_TX_QUEUES; i++) + wl->tx_queue_count[i] = 0; + wl->stopped_queues_map = 0; /* diff --git a/drivers/net/wireless/wl12xx/tx.h b/drivers/net/wireless/wl12xx/tx.h index 6519be4b2c3..d6fdbf904a0 100644 --- a/drivers/net/wireless/wl12xx/tx.h +++ b/drivers/net/wireless/wl12xx/tx.h @@ -214,5 +214,9 @@ u32 wl1271_tx_min_rate_get(struct wl1271 *wl); u8 wl12xx_tx_get_hlid_ap(struct wl1271 *wl, struct sk_buff *skb); void wl1271_tx_reset_link_queues(struct wl1271 *wl, u8 hlid); void wl1271_handle_tx_low_watermark(struct wl1271 *wl); +bool wl12xx_is_dummy_packet(struct wl1271 *wl, struct sk_buff *skb); + +/* from main.c */ +void wl1271_free_sta(struct wl1271 *wl, u8 hlid); #endif diff --git a/drivers/net/wireless/wl12xx/wl12xx.h b/drivers/net/wireless/wl12xx/wl12xx.h index fb2753c4630..3ceb20c170b 100644 --- a/drivers/net/wireless/wl12xx/wl12xx.h +++ b/drivers/net/wireless/wl12xx/wl12xx.h @@ -234,14 +234,14 @@ struct wl1271_stats { #define NUM_TX_QUEUES 4 #define NUM_RX_PKT_DESC 8 -#define AP_MAX_STATIONS 5 +#define AP_MAX_STATIONS 8 /* Broadcast and Global links + system link + links to stations */ /* * TODO: when WL1271_AP_STA_HLID_START is no longer constant, change all * the places that use this. */ -#define AP_MAX_LINKS (AP_MAX_STATIONS + 3) +#define AP_MAX_LINKS (AP_MAX_STATIONS + WL1271_AP_STA_HLID_START) /* FW status registers */ struct wl12xx_fw_status { @@ -402,6 +402,7 @@ struct wl1271 { u8 mac_addr[ETH_ALEN]; u8 bss_type; u8 set_bss_type; + u8 p2p; /* we are using p2p role */ u8 ssid[IEEE80211_MAX_SSID_LEN + 1]; u8 ssid_len; int channel; @@ -626,6 +627,9 @@ struct wl1271 { /* number of currently active RX BA sessions */ int ba_rx_session_count; + + /* AP-mode - number of currently connected stations */ + int active_sta_count; }; struct wl1271_station { |