diff options
author | John W. Linville <linville@tuxdriver.com> | 2011-07-08 11:05:20 -0400 |
---|---|---|
committer | John W. Linville <linville@tuxdriver.com> | 2011-07-08 11:05:20 -0400 |
commit | e441a5eab928ddee8a946b4d48489341b41f88f2 (patch) | |
tree | 86156e4e6f3cc1b8668f426f635a93d108eadf5c /drivers/net/wireless | |
parent | 5f0dd296a01c8173fcc05a8b262a1168ae90bc74 (diff) | |
parent | f1a46384ad568f72c11edbe2a3ec284bf32f2dbd (diff) |
Merge branch 'for-linville' of git://git.kernel.org/pub/scm/linux/kernel/git/luca/wl12xx
Diffstat (limited to 'drivers/net/wireless')
-rw-r--r-- | drivers/net/wireless/wl12xx/acx.c | 12 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/acx.h | 4 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/boot.c | 4 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/cmd.c | 6 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/conf.h | 10 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/debugfs.c | 15 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/event.c | 42 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/event.h | 12 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/init.c | 7 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/main.c | 202 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/ps.c | 9 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/scan.c | 27 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/scan.h | 1 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/sdio.c | 12 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/tx.c | 143 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/tx.h | 28 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/wl12xx.h | 24 |
17 files changed, 414 insertions, 144 deletions
diff --git a/drivers/net/wireless/wl12xx/acx.c b/drivers/net/wireless/wl12xx/acx.c index 87caa94fd81..7e33f1f4f3d 100644 --- a/drivers/net/wireless/wl12xx/acx.c +++ b/drivers/net/wireless/wl12xx/acx.c @@ -90,7 +90,7 @@ int wl1271_acx_tx_power(struct wl1271 *wl, int power) struct acx_current_tx_power *acx; int ret; - wl1271_debug(DEBUG_ACX, "acx dot11_cur_tx_pwr"); + wl1271_debug(DEBUG_ACX, "acx dot11_cur_tx_pwr %d", power); if (power < 0 || power > 25) return -EINVAL; @@ -1624,22 +1624,22 @@ out: return ret; } -int wl1271_acx_max_tx_retry(struct wl1271 *wl) +int wl1271_acx_ap_max_tx_retry(struct wl1271 *wl) { - struct wl1271_acx_max_tx_retry *acx = NULL; + struct wl1271_acx_ap_max_tx_retry *acx = NULL; int ret; - wl1271_debug(DEBUG_ACX, "acx max tx retry"); + wl1271_debug(DEBUG_ACX, "acx ap max tx retry"); acx = kzalloc(sizeof(*acx), GFP_KERNEL); if (!acx) return -ENOMEM; - acx->max_tx_retry = cpu_to_le16(wl->conf.tx.ap_max_tx_retries); + acx->max_tx_retry = cpu_to_le16(wl->conf.tx.max_tx_retries); ret = wl1271_cmd_configure(wl, ACX_MAX_TX_FAILURE, acx, sizeof(*acx)); if (ret < 0) { - wl1271_warning("acx max tx retry failed: %d", ret); + wl1271_warning("acx ap max tx retry failed: %d", ret); goto out; } diff --git a/drivers/net/wireless/wl12xx/acx.h b/drivers/net/wireless/wl12xx/acx.h index d303265f163..d2eb86eccc0 100644 --- a/drivers/net/wireless/wl12xx/acx.h +++ b/drivers/net/wireless/wl12xx/acx.h @@ -1168,7 +1168,7 @@ struct wl1271_acx_ps_rx_streaming { u8 timeout; } __packed; -struct wl1271_acx_max_tx_retry { +struct wl1271_acx_ap_max_tx_retry { struct acx_header header; /* @@ -1400,7 +1400,7 @@ int wl1271_acx_set_ba_receiver_session(struct wl1271 *wl, u8 tid_index, u16 ssn, bool enable); int wl1271_acx_tsf_info(struct wl1271 *wl, u64 *mactime); int wl1271_acx_ps_rx_streaming(struct wl1271 *wl, bool enable); -int wl1271_acx_max_tx_retry(struct wl1271 *wl); +int wl1271_acx_ap_max_tx_retry(struct wl1271 *wl); int wl1271_acx_config_ps(struct wl1271 *wl); int wl1271_acx_set_inconnection_sta(struct wl1271 *wl, u8 *addr); int wl1271_acx_set_ap_beacon_filter(struct wl1271 *wl, bool enable); diff --git a/drivers/net/wireless/wl12xx/boot.c b/drivers/net/wireless/wl12xx/boot.c index 101f7e0f632..5ebc64d8940 100644 --- a/drivers/net/wireless/wl12xx/boot.c +++ b/drivers/net/wireless/wl12xx/boot.c @@ -513,7 +513,9 @@ static int wl1271_boot_run_firmware(struct wl1271 *wl) PERIODIC_SCAN_COMPLETE_EVENT_ID; if (wl->bss_type == BSS_TYPE_AP_BSS) - wl->event_mask |= STA_REMOVE_COMPLETE_EVENT_ID; + wl->event_mask |= STA_REMOVE_COMPLETE_EVENT_ID | + INACTIVE_STA_EVENT_ID | + MAX_TX_RETRY_EVENT_ID; else wl->event_mask |= DUMMY_PACKET_EVENT_ID | BA_SESSION_RX_CONSTRAINT_EVENT_ID; diff --git a/drivers/net/wireless/wl12xx/cmd.c b/drivers/net/wireless/wl12xx/cmd.c index 68972cbc68b..97dd237a958 100644 --- a/drivers/net/wireless/wl12xx/cmd.c +++ b/drivers/net/wireless/wl12xx/cmd.c @@ -400,10 +400,6 @@ int wl1271_cmd_join(struct wl1271 *wl, u8 bss_type) join->ctrl |= wl->session_counter << WL1271_JOIN_CMD_TX_SESSION_OFFSET; - /* reset TX security counters */ - wl->tx_security_last_seq = 0; - wl->tx_security_seq = 0; - wl1271_debug(DEBUG_CMD, "cmd join: basic_rate_set=0x%x, rate_set=0x%x", join->basic_rate_set, join->supported_rate_set); @@ -1084,7 +1080,7 @@ int wl1271_cmd_start_bss(struct wl1271 *wl) memcpy(cmd->bssid, bss_conf->bssid, ETH_ALEN); - cmd->aging_period = cpu_to_le16(WL1271_AP_DEF_INACTIV_SEC); + cmd->aging_period = cpu_to_le16(wl->conf.tx.ap_aging_period); cmd->bss_index = WL1271_AP_BSS_INDEX; cmd->global_hlid = WL1271_AP_GLOBAL_HLID; cmd->broadcast_hlid = WL1271_AP_BROADCAST_HLID; diff --git a/drivers/net/wireless/wl12xx/conf.h b/drivers/net/wireless/wl12xx/conf.h index b5a7b30afda..6080e01d92c 100644 --- a/drivers/net/wireless/wl12xx/conf.h +++ b/drivers/net/wireless/wl12xx/conf.h @@ -713,8 +713,16 @@ struct conf_tx_settings { /* * AP-mode - allow this number of TX retries to a station before an * event is triggered from FW. + * In AP-mode the hlids of unreachable stations are given in the + * "sta_tx_retry_exceeded" member in the event mailbox. */ - u16 ap_max_tx_retries; + u8 max_tx_retries; + + /* + * AP-mode - after this number of seconds a connected station is + * considered inactive. + */ + u16 ap_aging_period; /* * Configuration for TID parameters. diff --git a/drivers/net/wireless/wl12xx/debugfs.c b/drivers/net/wireless/wl12xx/debugfs.c index da212701830..37934b5601c 100644 --- a/drivers/net/wireless/wl12xx/debugfs.c +++ b/drivers/net/wireless/wl12xx/debugfs.c @@ -30,6 +30,7 @@ #include "acx.h" #include "ps.h" #include "io.h" +#include "tx.h" /* ms */ #define WL1271_DEBUGFS_STATS_LIFETIME 1000 @@ -233,7 +234,7 @@ static ssize_t tx_queue_len_read(struct file *file, char __user *userbuf, char buf[20]; int res; - queue_len = wl->tx_queue_count; + queue_len = wl1271_tx_total_queue_count(wl); res = scnprintf(buf, sizeof(buf), "%u\n", queue_len); return simple_read_from_buffer(userbuf, count, ppos, buf, res); @@ -338,10 +339,16 @@ static ssize_t driver_state_read(struct file *file, char __user *user_buf, #define DRIVER_STATE_PRINT_HEX(x) DRIVER_STATE_PRINT(x, "0x%x") DRIVER_STATE_PRINT_INT(tx_blocks_available); - DRIVER_STATE_PRINT_INT(tx_allocated_blocks); + DRIVER_STATE_PRINT_INT(tx_allocated_blocks[0]); + DRIVER_STATE_PRINT_INT(tx_allocated_blocks[1]); + DRIVER_STATE_PRINT_INT(tx_allocated_blocks[2]); + DRIVER_STATE_PRINT_INT(tx_allocated_blocks[3]); DRIVER_STATE_PRINT_INT(tx_frames_cnt); DRIVER_STATE_PRINT_LHEX(tx_frames_map[0]); - DRIVER_STATE_PRINT_INT(tx_queue_count); + DRIVER_STATE_PRINT_INT(tx_queue_count[0]); + DRIVER_STATE_PRINT_INT(tx_queue_count[1]); + DRIVER_STATE_PRINT_INT(tx_queue_count[2]); + DRIVER_STATE_PRINT_INT(tx_queue_count[3]); DRIVER_STATE_PRINT_INT(tx_packets_count); DRIVER_STATE_PRINT_INT(tx_results_count); DRIVER_STATE_PRINT_LHEX(flags); @@ -349,7 +356,7 @@ static ssize_t driver_state_read(struct file *file, char __user *user_buf, DRIVER_STATE_PRINT_INT(tx_blocks_freed[1]); DRIVER_STATE_PRINT_INT(tx_blocks_freed[2]); DRIVER_STATE_PRINT_INT(tx_blocks_freed[3]); - DRIVER_STATE_PRINT_INT(tx_security_last_seq); + DRIVER_STATE_PRINT_INT(tx_security_last_seq_lsb); DRIVER_STATE_PRINT_INT(rx_counter); DRIVER_STATE_PRINT_INT(session_counter); DRIVER_STATE_PRINT_INT(state); diff --git a/drivers/net/wireless/wl12xx/event.c b/drivers/net/wireless/wl12xx/event.c index a16dee58a66..304aaa2ee01 100644 --- a/drivers/net/wireless/wl12xx/event.c +++ b/drivers/net/wireless/wl12xx/event.c @@ -214,6 +214,8 @@ static int wl1271_event_process(struct wl1271 *wl, struct event_mailbox *mbox) u32 vector; bool beacon_loss = false; bool is_ap = (wl->bss_type == BSS_TYPE_AP_BSS); + bool disconnect_sta = false; + unsigned long sta_bitmap = 0; wl1271_event_mbox_dump(mbox); @@ -295,6 +297,46 @@ static int wl1271_event_process(struct wl1271 *wl, struct event_mailbox *mbox) wl1271_tx_dummy_packet(wl); } + /* + * "TX retries exceeded" has a different meaning according to mode. + * In AP mode the offending station is disconnected. + */ + if ((vector & MAX_TX_RETRY_EVENT_ID) && is_ap) { + wl1271_debug(DEBUG_EVENT, "MAX_TX_RETRY_EVENT_ID"); + sta_bitmap |= le16_to_cpu(mbox->sta_tx_retry_exceeded); + disconnect_sta = true; + } + + if ((vector & INACTIVE_STA_EVENT_ID) && is_ap) { + wl1271_debug(DEBUG_EVENT, "INACTIVE_STA_EVENT_ID"); + sta_bitmap |= le16_to_cpu(mbox->sta_aging_status); + disconnect_sta = true; + } + + if (is_ap && disconnect_sta) { + u32 num_packets = wl->conf.tx.max_tx_retries; + struct ieee80211_sta *sta; + const u8 *addr; + int h; + + for (h = find_first_bit(&sta_bitmap, AP_MAX_LINKS); + h < AP_MAX_LINKS; + h = find_next_bit(&sta_bitmap, AP_MAX_LINKS, h+1)) { + if (!wl1271_is_active_sta(wl, h)) + continue; + + addr = wl->links[h].addr; + + rcu_read_lock(); + sta = ieee80211_find_sta(wl->vif, addr); + if (sta) { + wl1271_debug(DEBUG_EVENT, "remove sta %d", h); + ieee80211_report_low_ack(sta, num_packets); + } + rcu_read_unlock(); + } + } + if (wl->vif && beacon_loss) ieee80211_connection_loss(wl->vif); diff --git a/drivers/net/wireless/wl12xx/event.h b/drivers/net/wireless/wl12xx/event.h index ce99adf4256..e524ad6fe4e 100644 --- a/drivers/net/wireless/wl12xx/event.h +++ b/drivers/net/wireless/wl12xx/event.h @@ -58,13 +58,16 @@ enum { CHANNEL_SWITCH_COMPLETE_EVENT_ID = BIT(17), BSS_LOSE_EVENT_ID = BIT(18), REGAINED_BSS_EVENT_ID = BIT(19), - ROAMING_TRIGGER_MAX_TX_RETRY_EVENT_ID = BIT(20), + MAX_TX_RETRY_EVENT_ID = BIT(20), /* STA: dummy paket for dynamic mem blocks */ DUMMY_PACKET_EVENT_ID = BIT(21), /* AP: STA remove complete */ STA_REMOVE_COMPLETE_EVENT_ID = BIT(21), SOFT_GEMINI_SENSE_EVENT_ID = BIT(22), + /* STA: SG prediction */ SOFT_GEMINI_PREDICTION_EVENT_ID = BIT(23), + /* AP: Inactive STA */ + INACTIVE_STA_EVENT_ID = BIT(23), SOFT_GEMINI_AVALANCHE_EVENT_ID = BIT(24), PLT_RX_CALIBRATION_COMPLETE_EVENT_ID = BIT(25), DBG_EVENT_ID = BIT(26), @@ -119,7 +122,11 @@ struct event_mailbox { /* AP FW only */ u8 hlid_removed; + + /* a bitmap of hlids for stations that have been inactive too long */ __le16 sta_aging_status; + + /* a bitmap of hlids for stations which didn't respond to TX */ __le16 sta_tx_retry_exceeded; /* @@ -143,4 +150,7 @@ void wl1271_event_mbox_config(struct wl1271 *wl); int wl1271_event_handle(struct wl1271 *wl, u8 mbox); void wl1271_pspoll_work(struct work_struct *work); +/* Functions from main.c */ +bool wl1271_is_active_sta(struct wl1271 *wl, u8 hlid); + #endif diff --git a/drivers/net/wireless/wl12xx/init.c b/drivers/net/wireless/wl12xx/init.c index cf40ac93cea..c3e9a2e4410 100644 --- a/drivers/net/wireless/wl12xx/init.c +++ b/drivers/net/wireless/wl12xx/init.c @@ -447,7 +447,7 @@ static int wl1271_ap_hw_init(struct wl1271 *wl) if (ret < 0) return ret; - ret = wl1271_acx_max_tx_retry(wl); + ret = wl1271_acx_ap_max_tx_retry(wl); if (ret < 0) return ret; @@ -455,6 +455,11 @@ static int wl1271_ap_hw_init(struct wl1271 *wl) if (ret < 0) return ret; + /* initialize Tx power */ + ret = wl1271_acx_tx_power(wl, wl->power_level); + if (ret < 0) + return ret; + return 0; } diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c index a3734bdf511..e58c22d21e3 100644 --- a/drivers/net/wireless/wl12xx/main.c +++ b/drivers/net/wireless/wl12xx/main.c @@ -210,7 +210,8 @@ static struct conf_drv_settings default_conf = { .tx_op_limit = 1504, }, }, - .ap_max_tx_retries = 100, + .max_tx_retries = 100, + .ap_aging_period = 300, .tid_conf_count = 4, .tid_conf = { [CONF_TX_AC_BE] = { @@ -823,13 +824,24 @@ static void wl1271_irq_update_links_status(struct wl1271 *wl, } } +static u32 wl1271_tx_allocated_blocks(struct wl1271 *wl) +{ + int i; + u32 total_alloc_blocks = 0; + + for (i = 0; i < NUM_TX_QUEUES; i++) + total_alloc_blocks += wl->tx_allocated_blocks[i]; + + return total_alloc_blocks; +} + static void wl1271_fw_status(struct wl1271 *wl, struct wl1271_fw_full_status *full_status) { struct wl1271_fw_common_status *status = &full_status->common; struct timespec ts; u32 old_tx_blk_count = wl->tx_blocks_available; - u32 freed_blocks = 0; + u32 freed_blocks = 0, ac_freed_blocks; int i; if (wl->bss_type == BSS_TYPE_AP_BSS) { @@ -849,21 +861,23 @@ static void wl1271_fw_status(struct wl1271 *wl, /* update number of available TX blocks */ for (i = 0; i < NUM_TX_QUEUES; i++) { - freed_blocks += le32_to_cpu(status->tx_released_blks[i]) - - wl->tx_blocks_freed[i]; + ac_freed_blocks = le32_to_cpu(status->tx_released_blks[i]) - + wl->tx_blocks_freed[i]; + freed_blocks += ac_freed_blocks; + + wl->tx_allocated_blocks[i] -= ac_freed_blocks; wl->tx_blocks_freed[i] = le32_to_cpu(status->tx_released_blks[i]); } - wl->tx_allocated_blocks -= freed_blocks; - if (wl->bss_type == BSS_TYPE_AP_BSS) { /* Update num of allocated TX blocks per link and ps status */ wl1271_irq_update_links_status(wl, &full_status->ap); wl->tx_blocks_available += freed_blocks; } else { - int avail = full_status->sta.tx_total - wl->tx_allocated_blocks; + int avail = full_status->sta.tx_total - + wl1271_tx_allocated_blocks(wl); /* * The FW might change the total number of TX memblocks before @@ -978,7 +992,7 @@ irqreturn_t wl1271_irq(int irq, void *cookie) /* Check if any tx blocks were freed */ spin_lock_irqsave(&wl->wl_lock, flags); if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags) && - wl->tx_queue_count) { + wl1271_tx_total_queue_count(wl) > 0) { spin_unlock_irqrestore(&wl->wl_lock, flags); /* * In order to avoid starvation of the TX path, @@ -1026,7 +1040,7 @@ out: /* In case TX was not handled here, queue TX work */ clear_bit(WL1271_FLAG_TX_PENDING, &wl->flags); if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags) && - wl->tx_queue_count) + wl1271_tx_total_queue_count(wl) > 0) ieee80211_queue_work(wl->hw, &wl->tx_work); spin_unlock_irqrestore(&wl->wl_lock, flags); @@ -1227,6 +1241,15 @@ 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)); + /* + * Advance security sequence number to overcome potential progress + * in the firmware during recovery. This doens't hurt if the network is + * not encrypted. + */ + if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags) || + 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); @@ -1474,26 +1497,27 @@ static void wl1271_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb) { struct wl1271 *wl = hw->priv; unsigned long flags; - int q; + int q, mapping; u8 hlid = 0; - q = wl1271_tx_get_queue(skb_get_queue_mapping(skb)); + mapping = skb_get_queue_mapping(skb); + q = wl1271_tx_get_queue(mapping); if (wl->bss_type == BSS_TYPE_AP_BSS) hlid = wl1271_tx_get_hlid(skb); spin_lock_irqsave(&wl->wl_lock, flags); - wl->tx_queue_count++; + wl->tx_queue_count[q]++; /* * The workqueue is slow to process the tx_queue and we need stop * the queue here, otherwise the queue will get too long. */ - if (wl->tx_queue_count >= WL1271_TX_QUEUE_HIGH_WATERMARK) { - wl1271_debug(DEBUG_TX, "op_tx: stopping queues"); - ieee80211_stop_queues(wl->hw); - set_bit(WL1271_FLAG_TX_QUEUE_STOPPED, &wl->flags); + if (wl->tx_queue_count[q] >= WL1271_TX_QUEUE_HIGH_WATERMARK) { + wl1271_debug(DEBUG_TX, "op_tx: stopping queues for q %d", q); + ieee80211_stop_queue(wl->hw, mapping); + set_bit(q, &wl->stopped_queues_map); } /* queue the packet */ @@ -1519,10 +1543,11 @@ static void wl1271_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb) int wl1271_tx_dummy_packet(struct wl1271 *wl) { unsigned long flags; + int 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); - wl->tx_queue_count++; + wl->tx_queue_count[q]++; spin_unlock_irqrestore(&wl->wl_lock, flags); /* The FW is low on RX memory blocks, so send the dummy packet asap */ @@ -1586,10 +1611,13 @@ static struct notifier_block wl1271_dev_notifier = { #ifdef CONFIG_PM static int wl1271_configure_suspend_sta(struct wl1271 *wl) { - int ret; + int ret = 0; mutex_lock(&wl->mutex); + if (!test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) + goto out_unlock; + ret = wl1271_ps_elp_wakeup(wl); if (ret < 0) goto out_unlock; @@ -1634,10 +1662,13 @@ out: static int wl1271_configure_suspend_ap(struct wl1271 *wl) { - int ret; + int ret = 0; mutex_lock(&wl->mutex); + if (!test_bit(WL1271_FLAG_AP_STARTED, &wl->flags)) + goto out_unlock; + ret = wl1271_ps_elp_wakeup(wl); if (ret < 0) goto out_unlock; @@ -1705,7 +1736,6 @@ static int wl1271_op_suspend(struct ieee80211_hw *hw, } /* flush any remaining work */ wl1271_debug(DEBUG_MAC80211, "flushing remaining works"); - flush_delayed_work(&wl->scan_complete_work); /* * disable and re-enable interrupts in order to flush @@ -1977,11 +2007,8 @@ static void __wl1271_op_remove_interface(struct wl1271 *wl, wl->psm_entry_retry = 0; wl->power_level = WL1271_DEFAULT_POWER_LEVEL; wl->tx_blocks_available = 0; - wl->tx_allocated_blocks = 0; wl->tx_results_count = 0; wl->tx_packets_count = 0; - wl->tx_security_last_seq = 0; - wl->tx_security_seq = 0; wl->time_offset = 0; wl->session_counter = 0; wl->rate_set = CONF_TX_RATE_MASK_BASIC; @@ -2000,8 +2027,10 @@ static void __wl1271_op_remove_interface(struct wl1271 *wl, */ wl->flags = 0; - for (i = 0; i < NUM_TX_QUEUES; i++) + for (i = 0; i < NUM_TX_QUEUES; i++) { wl->tx_blocks_freed[i] = 0; + wl->tx_allocated_blocks[i] = 0; + } wl1271_debugfs_reset(wl); @@ -2154,6 +2183,10 @@ static int wl1271_unjoin(struct wl1271 *wl) clear_bit(WL1271_FLAG_JOINED, &wl->flags); memset(wl->bssid, 0, ETH_ALEN); + /* reset TX security counters on a clean disconnect */ + wl->tx_security_last_seq_lsb = 0; + wl->tx_security_seq = 0; + /* stop filtering packets based on bssid */ wl1271_configure_filters(wl, FIF_OTHER_BSS); @@ -2246,6 +2279,9 @@ static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed) wl->channel = channel; } + if ((changed & IEEE80211_CONF_CHANGE_POWER)) + wl->power_level = conf->power_level; + goto out; } @@ -2753,6 +2789,44 @@ out: return ret; } +static void wl1271_op_cancel_hw_scan(struct ieee80211_hw *hw, + struct ieee80211_vif *vif) +{ + struct wl1271 *wl = hw->priv; + int ret; + + wl1271_debug(DEBUG_MAC80211, "mac80211 cancel hw scan"); + + mutex_lock(&wl->mutex); + + if (wl->state == WL1271_STATE_OFF) + goto out; + + if (wl->scan.state == WL1271_SCAN_STATE_IDLE) + goto out; + + ret = wl1271_ps_elp_wakeup(wl); + if (ret < 0) + goto out; + + if (wl->scan.state != WL1271_SCAN_STATE_DONE) { + ret = wl1271_scan_stop(wl); + if (ret < 0) + goto out_sleep; + } + wl->scan.state = WL1271_SCAN_STATE_IDLE; + memset(wl->scan.scanned_ch, 0, sizeof(wl->scan.scanned_ch)); + wl->scan.req = NULL; + ieee80211_scan_completed(wl->hw, true); + +out_sleep: + wl1271_ps_elp_sleep(wl); +out: + mutex_unlock(&wl->mutex); + + cancel_delayed_work_sync(&wl->scan_complete_work); +} + static int wl1271_op_sched_scan_start(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct cfg80211_sched_scan_request *req, @@ -3515,6 +3589,12 @@ static void wl1271_free_sta(struct wl1271 *wl, u8 hlid) __clear_bit(hlid, (unsigned long *)&wl->ap_fw_ps_map); } +bool wl1271_is_active_sta(struct wl1271 *wl, u8 hlid) +{ + int id = hlid - WL1271_AP_STA_HLID_START; + return test_bit(id, wl->ap_hlid_map); +} + static int wl1271_op_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta) @@ -3673,7 +3753,7 @@ static bool wl1271_tx_frames_pending(struct ieee80211_hw *hw) goto out; /* packets are considered pending if in the TX queue or the FW */ - ret = (wl->tx_queue_count > 0) || (wl->tx_frames_cnt > 0); + ret = (wl1271_tx_total_queue_count(wl) > 0) || (wl->tx_frames_cnt > 0); /* the above is appropriate for STA mode for PS purposes */ WARN_ON(wl->bss_type != BSS_TYPE_STA_BSS); @@ -3836,40 +3916,40 @@ static struct ieee80211_rate wl1271_rates_5ghz[] = { /* 5 GHz band channels for WL1273 */ static struct ieee80211_channel wl1271_channels_5ghz[] = { - { .hw_value = 7, .center_freq = 5035}, - { .hw_value = 8, .center_freq = 5040}, - { .hw_value = 9, .center_freq = 5045}, - { .hw_value = 11, .center_freq = 5055}, - { .hw_value = 12, .center_freq = 5060}, - { .hw_value = 16, .center_freq = 5080}, - { .hw_value = 34, .center_freq = 5170}, - { .hw_value = 36, .center_freq = 5180}, - { .hw_value = 38, .center_freq = 5190}, - { .hw_value = 40, .center_freq = 5200}, - { .hw_value = 42, .center_freq = 5210}, - { .hw_value = 44, .center_freq = 5220}, - { .hw_value = 46, .center_freq = 5230}, - { .hw_value = 48, .center_freq = 5240}, - { .hw_value = 52, .center_freq = 5260}, - { .hw_value = 56, .center_freq = 5280}, - { .hw_value = 60, .center_freq = 5300}, - { .hw_value = 64, .center_freq = 5320}, - { .hw_value = 100, .center_freq = 5500}, - { .hw_value = 104, .center_freq = 5520}, - { .hw_value = 108, .center_freq = 5540}, - { .hw_value = 112, .center_freq = 5560}, - { .hw_value = 116, .center_freq = 5580}, - { .hw_value = 120, .center_freq = 5600}, - { .hw_value = 124, .center_freq = 5620}, - { .hw_value = 128, .center_freq = 5640}, - { .hw_value = 132, .center_freq = 5660}, - { .hw_value = 136, .center_freq = 5680}, - { .hw_value = 140, .center_freq = 5700}, - { .hw_value = 149, .center_freq = 5745}, - { .hw_value = 153, .center_freq = 5765}, - { .hw_value = 157, .center_freq = 5785}, - { .hw_value = 161, .center_freq = 5805}, - { .hw_value = 165, .center_freq = 5825}, + { .hw_value = 7, .center_freq = 5035, .max_power = 25 }, + { .hw_value = 8, .center_freq = 5040, .max_power = 25 }, + { .hw_value = 9, .center_freq = 5045, .max_power = 25 }, + { .hw_value = 11, .center_freq = 5055, .max_power = 25 }, + { .hw_value = 12, .center_freq = 5060, .max_power = 25 }, + { .hw_value = 16, .center_freq = 5080, .max_power = 25 }, + { .hw_value = 34, .center_freq = 5170, .max_power = 25 }, + { .hw_value = 36, .center_freq = 5180, .max_power = 25 }, + { .hw_value = 38, .center_freq = 5190, .max_power = 25 }, + { .hw_value = 40, .center_freq = 5200, .max_power = 25 }, + { .hw_value = 42, .center_freq = 5210, .max_power = 25 }, + { .hw_value = 44, .center_freq = 5220, .max_power = 25 }, + { .hw_value = 46, .center_freq = 5230, .max_power = 25 }, + { .hw_value = 48, .center_freq = 5240, .max_power = 25 }, + { .hw_value = 52, .center_freq = 5260, .max_power = 25 }, + { .hw_value = 56, .center_freq = 5280, .max_power = 25 }, + { .hw_value = 60, .center_freq = 5300, .max_power = 25 }, + { .hw_value = 64, .center_freq = 5320, .max_power = 25 }, + { .hw_value = 100, .center_freq = 5500, .max_power = 25 }, + { .hw_value = 104, .center_freq = 5520, .max_power = 25 }, + { .hw_value = 108, .center_freq = 5540, .max_power = 25 }, + { .hw_value = 112, .center_freq = 5560, .max_power = 25 }, + { .hw_value = 116, .center_freq = 5580, .max_power = 25 }, + { .hw_value = 120, .center_freq = 5600, .max_power = 25 }, + { .hw_value = 124, .center_freq = 5620, .max_power = 25 }, + { .hw_value = 128, .center_freq = 5640, .max_power = 25 }, + { .hw_value = 132, .center_freq = 5660, .max_power = 25 }, + { .hw_value = 136, .center_freq = 5680, .max_power = 25 }, + { .hw_value = 140, .center_freq = 5700, .max_power = 25 }, + { .hw_value = 149, .center_freq = 5745, .max_power = 25 }, + { .hw_value = 153, .center_freq = 5765, .max_power = 25 }, + { .hw_value = 157, .center_freq = 5785, .max_power = 25 }, + { .hw_value = 161, .center_freq = 5805, .max_power = 25 }, + { .hw_value = 165, .center_freq = 5825, .max_power = 25 }, }; /* mapping to indexes for wl1271_rates_5ghz */ @@ -3930,6 +4010,7 @@ static const struct ieee80211_ops wl1271_ops = { .tx = wl1271_op_tx, .set_key = wl1271_op_set_key, .hw_scan = wl1271_op_hw_scan, + .cancel_hw_scan = wl1271_op_cancel_hw_scan, .sched_scan_start = wl1271_op_sched_scan_start, .sched_scan_stop = wl1271_op_sched_scan_stop, .bss_info_changed = wl1271_op_bss_info_changed, @@ -4327,6 +4408,9 @@ struct ieee80211_hw *wl1271_alloc_hw(void) wl->quirks = 0; wl->platform_quirks = 0; wl->sched_scanning = false; + wl->tx_security_seq = 0; + wl->tx_security_last_seq_lsb = 0; + setup_timer(&wl->rx_streaming_timer, wl1271_rx_streaming_timer, (unsigned long) wl); wl->fwlog_size = 0; diff --git a/drivers/net/wireless/wl12xx/ps.c b/drivers/net/wireless/wl12xx/ps.c index 3e68a664c9d..3548377ab9c 100644 --- a/drivers/net/wireless/wl12xx/ps.c +++ b/drivers/net/wireless/wl12xx/ps.c @@ -193,24 +193,27 @@ int wl1271_ps_set_mode(struct wl1271 *wl, enum wl1271_cmd_ps_mode mode, static void wl1271_ps_filter_frames(struct wl1271 *wl, u8 hlid) { - int i, filtered = 0; + int i; struct sk_buff *skb; struct ieee80211_tx_info *info; unsigned long flags; + int filtered[NUM_TX_QUEUES]; /* filter all frames currently the low level queus for this hlid */ for (i = 0; i < NUM_TX_QUEUES; i++) { + filtered[i] = 0; while ((skb = skb_dequeue(&wl->links[hlid].tx_queue[i]))) { 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++; + filtered[i]++; } } spin_lock_irqsave(&wl->wl_lock, flags); - wl->tx_queue_count -= filtered; + for (i = 0; i < NUM_TX_QUEUES; i++) + wl->tx_queue_count[i] -= filtered[i]; spin_unlock_irqrestore(&wl->wl_lock, flags); wl1271_handle_tx_low_watermark(wl); diff --git a/drivers/net/wireless/wl12xx/scan.c b/drivers/net/wireless/wl12xx/scan.c index 5e5c66dd06d..edfe01c321c 100644 --- a/drivers/net/wireless/wl12xx/scan.c +++ b/drivers/net/wireless/wl12xx/scan.c @@ -321,6 +321,33 @@ int wl1271_scan(struct wl1271 *wl, const u8 *ssid, size_t ssid_len, return 0; } +int wl1271_scan_stop(struct wl1271 *wl) +{ + struct wl1271_cmd_header *cmd = NULL; + int ret = 0; + + if (WARN_ON(wl->scan.state == WL1271_SCAN_STATE_IDLE)) + return -EINVAL; + + wl1271_debug(DEBUG_CMD, "cmd scan stop"); + + cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); + if (!cmd) { + ret = -ENOMEM; + goto out; + } + + ret = wl1271_cmd_send(wl, CMD_STOP_SCAN, cmd, + sizeof(*cmd), 0); + if (ret < 0) { + wl1271_error("cmd stop_scan failed"); + goto out; + } +out: + kfree(cmd); + return ret; +} + static int wl1271_scan_get_sched_scan_channels(struct wl1271 *wl, struct cfg80211_sched_scan_request *req, diff --git a/drivers/net/wireless/wl12xx/scan.h b/drivers/net/wireless/wl12xx/scan.h index ca81de20ebe..d882e4da71b 100644 --- a/drivers/net/wireless/wl12xx/scan.h +++ b/drivers/net/wireless/wl12xx/scan.h @@ -28,6 +28,7 @@ int wl1271_scan(struct wl1271 *wl, const u8 *ssid, size_t ssid_len, struct cfg80211_scan_request *req); +int wl1271_scan_stop(struct wl1271 *wl); int wl1271_scan_build_probe_req(struct wl1271 *wl, const u8 *ssid, size_t ssid_len, const u8 *ie, size_t ie_len, u8 band); diff --git a/drivers/net/wireless/wl12xx/sdio.c b/drivers/net/wireless/wl12xx/sdio.c index 4dc4573b686..5cf18c2c23f 100644 --- a/drivers/net/wireless/wl12xx/sdio.c +++ b/drivers/net/wireless/wl12xx/sdio.c @@ -166,13 +166,13 @@ static int wl1271_sdio_power_on(struct wl1271 *wl) ret = pm_runtime_get_sync(&func->dev); if (ret) goto out; + } else { + /* Runtime PM is disabled: power up the card manually */ + ret = mmc_power_restore_host(func->card->host); + if (ret < 0) + goto out; } - /* Runtime PM might be disabled, so power up the card manually */ - ret = mmc_power_restore_host(func->card->host); - if (ret < 0) - goto out; - sdio_claim_host(func); sdio_enable_func(func); @@ -188,7 +188,7 @@ static int wl1271_sdio_power_off(struct wl1271 *wl) sdio_disable_func(func); sdio_release_host(func); - /* Runtime PM might be disabled, so power off the card manually */ + /* Power off the card manually, even if runtime PM is enabled. */ ret = mmc_power_save_host(func->card->host); if (ret < 0) return ret; diff --git a/drivers/net/wireless/wl12xx/tx.c b/drivers/net/wireless/wl12xx/tx.c index 200590c0d9e..48fde96ce0d 100644 --- a/drivers/net/wireless/wl12xx/tx.c +++ b/drivers/net/wireless/wl12xx/tx.c @@ -168,7 +168,7 @@ static int wl1271_tx_allocate(struct wl1271 *wl, struct sk_buff *skb, u32 extra, u32 total_len = skb->len + sizeof(struct wl1271_tx_hw_descr) + extra; u32 len; u32 total_blocks; - int id, ret = -EBUSY; + int id, ret = -EBUSY, ac; u32 spare_blocks; if (unlikely(wl->quirks & WL12XX_QUIRK_USE_2_SPARE_BLOCKS)) @@ -206,7 +206,9 @@ static int wl1271_tx_allocate(struct wl1271 *wl, struct sk_buff *skb, u32 extra, desc->id = id; wl->tx_blocks_available -= total_blocks; - wl->tx_allocated_blocks += total_blocks; + + ac = wl1271_tx_get_queue(skb_get_queue_mapping(skb)); + wl->tx_allocated_blocks[ac] += total_blocks; if (wl->bss_type == BSS_TYPE_AP_BSS) wl->links[hlid].allocated_blks += total_blocks; @@ -383,6 +385,8 @@ static int wl1271_prepare_tx_frame(struct wl1271 *wl, struct sk_buff *skb, if (ret < 0) return ret; + wl1271_tx_fill_hdr(wl, skb, extra, info, hlid); + if (wl->bss_type == BSS_TYPE_AP_BSS) { wl1271_tx_ap_update_inconnection_sta(wl, skb); wl1271_tx_regulate_link(wl, hlid); @@ -390,8 +394,6 @@ static int wl1271_prepare_tx_frame(struct wl1271 *wl, struct sk_buff *skb, wl1271_tx_update_filters(wl, skb); } - wl1271_tx_fill_hdr(wl, skb, extra, info, hlid); - /* * The length of each packet is stored in terms of * words. Thus, we must pad the skb data to make sure its @@ -442,37 +444,62 @@ u32 wl1271_tx_enabled_rates_get(struct wl1271 *wl, u32 rate_set) void wl1271_handle_tx_low_watermark(struct wl1271 *wl) { unsigned long flags; + int i; - if (test_bit(WL1271_FLAG_TX_QUEUE_STOPPED, &wl->flags) && - wl->tx_queue_count <= WL1271_TX_QUEUE_LOW_WATERMARK) { - /* firmware buffer has space, restart queues */ - spin_lock_irqsave(&wl->wl_lock, flags); - ieee80211_wake_queues(wl->hw); - clear_bit(WL1271_FLAG_TX_QUEUE_STOPPED, &wl->flags); - spin_unlock_irqrestore(&wl->wl_lock, flags); + for (i = 0; i < NUM_TX_QUEUES; i++) { + if (test_bit(i, &wl->stopped_queues_map) && + wl->tx_queue_count[i] <= WL1271_TX_QUEUE_LOW_WATERMARK) { + /* firmware buffer has space, restart queues */ + spin_lock_irqsave(&wl->wl_lock, flags); + ieee80211_wake_queue(wl->hw, + wl1271_tx_get_mac80211_queue(i)); + clear_bit(i, &wl->stopped_queues_map); + spin_unlock_irqrestore(&wl->wl_lock, flags); + } } } +static struct sk_buff_head *wl1271_select_queue(struct wl1271 *wl, + struct sk_buff_head *queues) +{ + int i, q = -1; + u32 min_blks = 0xffffffff; + + /* + * Find a non-empty ac where: + * 1. There are packets to transmit + * 2. The FW has the least allocated blocks + */ + for (i = 0; i < NUM_TX_QUEUES; i++) + if (!skb_queue_empty(&queues[i]) && + (wl->tx_allocated_blocks[i] < min_blks)) { + q = i; + min_blks = wl->tx_allocated_blocks[q]; + } + + if (q == -1) + return NULL; + + return &queues[q]; +} + static struct sk_buff *wl1271_sta_skb_dequeue(struct wl1271 *wl) { struct sk_buff *skb = NULL; unsigned long flags; + struct sk_buff_head *queue; - skb = skb_dequeue(&wl->tx_queue[CONF_TX_AC_VO]); - if (skb) - goto out; - skb = skb_dequeue(&wl->tx_queue[CONF_TX_AC_VI]); - if (skb) + queue = wl1271_select_queue(wl, wl->tx_queue); + if (!queue) goto out; - skb = skb_dequeue(&wl->tx_queue[CONF_TX_AC_BE]); - if (skb) - goto out; - skb = skb_dequeue(&wl->tx_queue[CONF_TX_AC_BK]); + + skb = skb_dequeue(queue); out: if (skb) { + int q = wl1271_tx_get_queue(skb_get_queue_mapping(skb)); spin_lock_irqsave(&wl->wl_lock, flags); - wl->tx_queue_count--; + wl->tx_queue_count[q]--; spin_unlock_irqrestore(&wl->wl_lock, flags); } @@ -484,6 +511,7 @@ static struct sk_buff *wl1271_ap_skb_dequeue(struct wl1271 *wl) struct sk_buff *skb = NULL; unsigned long flags; int i, h, start_hlid; + struct sk_buff_head *queue; /* start from the link after the last one */ start_hlid = (wl->last_tx_hlid + 1) % AP_MAX_LINKS; @@ -492,25 +520,25 @@ static struct sk_buff *wl1271_ap_skb_dequeue(struct wl1271 *wl) for (i = 0; i < AP_MAX_LINKS; i++) { h = (start_hlid + i) % AP_MAX_LINKS; - skb = skb_dequeue(&wl->links[h].tx_queue[CONF_TX_AC_VO]); - if (skb) - goto out; - skb = skb_dequeue(&wl->links[h].tx_queue[CONF_TX_AC_VI]); - if (skb) - goto out; - skb = skb_dequeue(&wl->links[h].tx_queue[CONF_TX_AC_BE]); - if (skb) - goto out; - skb = skb_dequeue(&wl->links[h].tx_queue[CONF_TX_AC_BK]); + /* only consider connected stations */ + if (h >= WL1271_AP_STA_HLID_START && + !test_bit(h - WL1271_AP_STA_HLID_START, wl->ap_hlid_map)) + continue; + + queue = wl1271_select_queue(wl, wl->links[h].tx_queue); + if (!queue) + continue; + + skb = skb_dequeue(queue); if (skb) - goto out; + break; } -out: if (skb) { + int q = wl1271_tx_get_queue(skb_get_queue_mapping(skb)); wl->last_tx_hlid = h; spin_lock_irqsave(&wl->wl_lock, flags); - wl->tx_queue_count--; + wl->tx_queue_count[q]--; spin_unlock_irqrestore(&wl->wl_lock, flags); } else { wl->last_tx_hlid = 0; @@ -531,9 +559,12 @@ static struct sk_buff *wl1271_skb_dequeue(struct wl1271 *wl) if (!skb && test_and_clear_bit(WL1271_FLAG_DUMMY_PACKET_PENDING, &wl->flags)) { + int q; + skb = wl->dummy_packet; + q = wl1271_tx_get_queue(skb_get_queue_mapping(skb)); spin_lock_irqsave(&wl->wl_lock, flags); - wl->tx_queue_count--; + wl->tx_queue_count[q]--; spin_unlock_irqrestore(&wl->wl_lock, flags); } @@ -558,7 +589,7 @@ static void wl1271_skb_queue_head(struct wl1271 *wl, struct sk_buff *skb) } spin_lock_irqsave(&wl->wl_lock, flags); - wl->tx_queue_count++; + wl->tx_queue_count[q]++; spin_unlock_irqrestore(&wl->wl_lock, flags); } @@ -704,10 +735,24 @@ static void wl1271_tx_complete_packet(struct wl1271 *wl, wl->stats.retry_count += result->ack_failures; - /* update security sequence number */ - wl->tx_security_seq += (result->lsb_security_sequence_number - - wl->tx_security_last_seq); - wl->tx_security_last_seq = result->lsb_security_sequence_number; + /* + * update sequence number only when relevant, i.e. only in + * sessions of TKIP, AES and GEM (not in open or WEP sessions) + */ + if (info->control.hw_key && + (info->control.hw_key->cipher == WLAN_CIPHER_SUITE_TKIP || + info->control.hw_key->cipher == WLAN_CIPHER_SUITE_CCMP || + info->control.hw_key->cipher == WL1271_CIPHER_SUITE_GEM)) { + u8 fw_lsb = result->tx_security_sequence_number_lsb; + u8 cur_lsb = wl->tx_security_last_seq_lsb; + + /* + * update security sequence number, taking care of potential + * wrap-around + */ + wl->tx_security_seq += (fw_lsb - cur_lsb + 256) % 256; + wl->tx_security_last_seq_lsb = fw_lsb; + } /* remove private header from packet */ skb_pull(skb, sizeof(struct wl1271_tx_hw_descr)); @@ -772,23 +817,26 @@ void wl1271_tx_complete(struct wl1271 *wl) void wl1271_tx_reset_link_queues(struct wl1271 *wl, u8 hlid) { struct sk_buff *skb; - int i, total = 0; + int i; unsigned long flags; struct ieee80211_tx_info *info; + int total[NUM_TX_QUEUES]; for (i = 0; i < NUM_TX_QUEUES; i++) { + total[i] = 0; while ((skb = skb_dequeue(&wl->links[hlid].tx_queue[i]))) { wl1271_debug(DEBUG_TX, "link freeing skb 0x%p", skb); info = IEEE80211_SKB_CB(skb); info->status.rates[0].idx = -1; info->status.rates[0].count = 0; ieee80211_tx_status_ni(wl->hw, skb); - total++; + total[i]++; } } spin_lock_irqsave(&wl->wl_lock, flags); - wl->tx_queue_count -= total; + for (i = 0; i < NUM_TX_QUEUES; i++) + wl->tx_queue_count[i] -= total[i]; spin_unlock_irqrestore(&wl->wl_lock, flags); wl1271_handle_tx_low_watermark(wl); @@ -823,10 +871,11 @@ 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->tx_queue_count = 0; + wl->stopped_queues_map = 0; /* * Make sure the driver is at a consistent state, in case this @@ -879,8 +928,10 @@ void wl1271_tx_flush(struct wl1271 *wl) while (!time_after(jiffies, timeout)) { mutex_lock(&wl->mutex); wl1271_debug(DEBUG_TX, "flushing tx buffer: %d %d", - wl->tx_frames_cnt, wl->tx_queue_count); - if ((wl->tx_frames_cnt == 0) && (wl->tx_queue_count == 0)) { + wl->tx_frames_cnt, + wl1271_tx_total_queue_count(wl)); + if ((wl->tx_frames_cnt == 0) && + (wl1271_tx_total_queue_count(wl) == 0)) { mutex_unlock(&wl->mutex); return; } diff --git a/drivers/net/wireless/wl12xx/tx.h b/drivers/net/wireless/wl12xx/tx.h index 832f9258d67..5d719b5a3d1 100644 --- a/drivers/net/wireless/wl12xx/tx.h +++ b/drivers/net/wireless/wl12xx/tx.h @@ -150,7 +150,7 @@ struct wl1271_tx_hw_res_descr { (from 1st EDCA AIFS counter until TX Complete). */ __le32 medium_delay; /* LS-byte of last TKIP seq-num (saved per AC for recovery). */ - u8 lsb_security_sequence_number; + u8 tx_security_sequence_number_lsb; /* Retry count - number of transmissions without successful ACK.*/ u8 ack_failures; /* The rate that succeeded getting ACK @@ -182,6 +182,32 @@ static inline int wl1271_tx_get_queue(int queue) } } +static inline int wl1271_tx_get_mac80211_queue(int queue) +{ + switch (queue) { + case CONF_TX_AC_VO: + return 0; + case CONF_TX_AC_VI: + return 1; + case CONF_TX_AC_BE: + return 2; + case CONF_TX_AC_BK: + return 3; + default: + return 2; + } +} + +static inline int wl1271_tx_total_queue_count(struct wl1271 *wl) +{ + int i, count = 0; + + for (i = 0; i < NUM_TX_QUEUES; i++) + count += wl->tx_queue_count[i]; + + return count; +} + void wl1271_tx_work(struct work_struct *work); void wl1271_tx_work_locked(struct wl1271 *wl); void wl1271_tx_complete(struct wl1271 *wl); diff --git a/drivers/net/wireless/wl12xx/wl12xx.h b/drivers/net/wireless/wl12xx/wl12xx.h index d7db6e77047..1a8751eb814 100644 --- a/drivers/net/wireless/wl12xx/wl12xx.h +++ b/drivers/net/wireless/wl12xx/wl12xx.h @@ -144,6 +144,7 @@ extern u32 wl12xx_debug_level; #define WL1271_TX_SECURITY_LO16(s) ((u16)((s) & 0xffff)) #define WL1271_TX_SECURITY_HI32(s) ((u32)(((s) >> 16) & 0xffffffff)) +#define WL1271_TX_SQN_POST_RECOVERY_PADDING 0xff #define WL1271_CIPHER_SUITE_GEM 0x00147201 @@ -172,7 +173,6 @@ extern u32 wl12xx_debug_level; #define WL1271_PS_STA_MAX_BLOCKS (2 * 9) #define WL1271_AP_BSS_INDEX 0 -#define WL1271_AP_DEF_INACTIV_SEC 300 #define WL1271_AP_DEF_BEACON_EXP 20 #define ACX_TX_DESCRIPTORS 32 @@ -424,7 +424,7 @@ struct wl1271 { /* Accounting for allocated / available TX blocks on HW */ u32 tx_blocks_freed[NUM_TX_QUEUES]; u32 tx_blocks_available; - u32 tx_allocated_blocks; + u32 tx_allocated_blocks[NUM_TX_QUEUES]; u32 tx_results_count; /* Transmitted TX packets counter for chipset interface */ @@ -438,7 +438,8 @@ struct wl1271 { /* Frames scheduled for transmission, not handled yet */ struct sk_buff_head tx_queue[NUM_TX_QUEUES]; - int tx_queue_count; + int tx_queue_count[NUM_TX_QUEUES]; + long stopped_queues_map; /* Frames received, not handled yet by mac80211 */ struct sk_buff_head deferred_rx_queue; @@ -454,9 +455,16 @@ struct wl1271 { struct sk_buff *tx_frames[ACX_TX_DESCRIPTORS]; int tx_frames_cnt; - /* Security sequence number counters */ - u8 tx_security_last_seq; - s64 tx_security_seq; + /* + * Security sequence number + * bits 0-15: lower 16 bits part of sequence number + * bits 16-47: higher 32 bits part of sequence number + * bits 48-63: not in use + */ + u64 tx_security_seq; + + /* 8 bits of the last sequence number in use */ + u8 tx_security_last_seq_lsb; /* FW Rx counter */ u32 rx_counter; @@ -632,8 +640,8 @@ size_t wl12xx_copy_fwlog(struct wl1271 *wl, u8 *memblock, size_t maxlen); #define WL1271_DEFAULT_POWER_LEVEL 0 -#define WL1271_TX_QUEUE_LOW_WATERMARK 10 -#define WL1271_TX_QUEUE_HIGH_WATERMARK 25 +#define WL1271_TX_QUEUE_LOW_WATERMARK 32 +#define WL1271_TX_QUEUE_HIGH_WATERMARK 256 #define WL1271_DEFERRED_QUEUE_LIMIT 64 |