diff options
Diffstat (limited to 'drivers/net/wireless/ti/wlcore')
| -rw-r--r-- | drivers/net/wireless/ti/wlcore/acx.c | 29 | ||||
| -rw-r--r-- | drivers/net/wireless/ti/wlcore/acx.h | 16 | ||||
| -rw-r--r-- | drivers/net/wireless/ti/wlcore/cmd.c | 32 | ||||
| -rw-r--r-- | drivers/net/wireless/ti/wlcore/debug.h | 33 | ||||
| -rw-r--r-- | drivers/net/wireless/ti/wlcore/debugfs.c | 3 | ||||
| -rw-r--r-- | drivers/net/wireless/ti/wlcore/event.c | 9 | ||||
| -rw-r--r-- | drivers/net/wireless/ti/wlcore/main.c | 205 | ||||
| -rw-r--r-- | drivers/net/wireless/ti/wlcore/ps.c | 4 | ||||
| -rw-r--r-- | drivers/net/wireless/ti/wlcore/tx.c | 39 | ||||
| -rw-r--r-- | drivers/net/wireless/ti/wlcore/wlcore.h | 3 | ||||
| -rw-r--r-- | drivers/net/wireless/ti/wlcore/wlcore_i.h | 29 |
11 files changed, 272 insertions, 130 deletions
diff --git a/drivers/net/wireless/ti/wlcore/acx.c b/drivers/net/wireless/ti/wlcore/acx.c index c7965432339..7a970cd9c55 100644 --- a/drivers/net/wireless/ti/wlcore/acx.c +++ b/drivers/net/wireless/ti/wlcore/acx.c @@ -1736,6 +1736,35 @@ out: } +int wlcore_acx_average_rssi(struct wl1271 *wl, struct wl12xx_vif *wlvif, + s8 *avg_rssi) +{ + struct acx_roaming_stats *acx; + int ret = 0; + + wl1271_debug(DEBUG_ACX, "acx roaming statistics"); + + acx = kzalloc(sizeof(*acx), GFP_KERNEL); + if (!acx) { + ret = -ENOMEM; + goto out; + } + + acx->role_id = wlvif->role_id; + ret = wl1271_cmd_interrogate(wl, ACX_ROAMING_STATISTICS_TBL, + acx, sizeof(*acx)); + if (ret < 0) { + wl1271_warning("acx roaming statistics failed: %d", ret); + ret = -ENOMEM; + goto out; + } + + *avg_rssi = acx->rssi_beacon; +out: + kfree(acx); + return ret; +} + #ifdef CONFIG_PM /* Set the global behaviour of RX filters - On/Off + default action */ int wl1271_acx_default_rx_filter_enable(struct wl1271 *wl, bool enable, diff --git a/drivers/net/wireless/ti/wlcore/acx.h b/drivers/net/wireless/ti/wlcore/acx.h index 126536c6a39..6dcfad9b047 100644 --- a/drivers/net/wireless/ti/wlcore/acx.h +++ b/drivers/net/wireless/ti/wlcore/acx.h @@ -728,8 +728,6 @@ struct wl1271_acx_ht_information { u8 padding[2]; } __packed; -#define RX_BA_MAX_SESSIONS 3 - struct wl1271_acx_ba_initiator_policy { struct acx_header header; @@ -955,6 +953,18 @@ struct acx_rx_filter_cfg { u8 fields[0]; } __packed; +struct acx_roaming_stats { + struct acx_header header; + + u8 role_id; + u8 pad[3]; + u32 missed_beacons; + u8 snr_data; + u8 snr_bacon; + s8 rssi_data; + s8 rssi_beacon; +} __packed; + enum { ACX_WAKE_UP_CONDITIONS = 0x0000, ACX_MEM_CFG = 0x0001, @@ -1112,6 +1122,8 @@ 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); +int wlcore_acx_average_rssi(struct wl1271 *wl, struct wl12xx_vif *wlvif, + s8 *avg_rssi); #ifdef CONFIG_PM int wl1271_acx_default_rx_filter_enable(struct wl1271 *wl, bool enable, diff --git a/drivers/net/wireless/ti/wlcore/cmd.c b/drivers/net/wireless/ti/wlcore/cmd.c index 6331f9e1cb3..c9e060795d1 100644 --- a/drivers/net/wireless/ti/wlcore/cmd.c +++ b/drivers/net/wireless/ti/wlcore/cmd.c @@ -327,6 +327,14 @@ int wl12xx_allocate_link(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 *hlid) wl->links[link].prev_freed_pkts = wl->fw_status_2->counters.tx_lnk_free_pkts[link]; wl->links[link].wlvif = wlvif; + + /* + * Take saved value for total freed packets from wlvif, in case this is + * recovery/resume + */ + if (wlvif->bss_type != BSS_TYPE_AP_BSS) + wl->links[link].total_freed_pkts = wlvif->total_freed_pkts; + *hlid = link; wl->active_link_count++; @@ -358,6 +366,26 @@ void wl12xx_free_link(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 *hlid) wl1271_tx_reset_link_queues(wl, *hlid); wl->links[*hlid].wlvif = NULL; + if (wlvif->bss_type == BSS_TYPE_STA_BSS || + (wlvif->bss_type == BSS_TYPE_AP_BSS && + *hlid == wlvif->ap.bcast_hlid)) { + /* + * save the total freed packets in the wlvif, in case this is + * recovery or suspend + */ + wlvif->total_freed_pkts = wl->links[*hlid].total_freed_pkts; + + /* + * increment the initial seq number on recovery to account for + * transmitted packets that we haven't yet got in the FW status + */ + if (test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags)) + wlvif->total_freed_pkts += + WL1271_TX_SQN_POST_RECOVERY_PADDING; + } + + wl->links[*hlid].total_freed_pkts = 0; + *hlid = WL12XX_INVALID_LINK_ID; wl->active_link_count--; WARN_ON_ONCE(wl->active_link_count < 0); @@ -609,6 +637,10 @@ int wl12xx_cmd_role_start_ap(struct wl1271 *wl, struct wl12xx_vif *wlvif) if (ret < 0) goto out_free_global; + /* use the previous security seq, if this is a recovery/resume */ + wl->links[wlvif->ap.bcast_hlid].total_freed_pkts = + wlvif->total_freed_pkts; + cmd->role_id = wlvif->role_id; cmd->ap.aging_period = cpu_to_le16(wl->conf.tx.ap_aging_period); cmd->ap.bss_index = WL1271_AP_BSS_INDEX; diff --git a/drivers/net/wireless/ti/wlcore/debug.h b/drivers/net/wireless/ti/wlcore/debug.h index db4bf5a68ce..0420bd45e4e 100644 --- a/drivers/net/wireless/ti/wlcore/debug.h +++ b/drivers/net/wireless/ti/wlcore/debug.h @@ -89,25 +89,24 @@ extern u32 wl12xx_debug_level; } while (0) #endif -/* TODO: use pr_debug_hex_dump when it becomes available */ -#define wl1271_dump(level, prefix, buf, len) \ - do { \ - if (level & wl12xx_debug_level) \ - print_hex_dump(KERN_DEBUG, DRIVER_PREFIX prefix, \ - DUMP_PREFIX_OFFSET, 16, 1, \ - buf, \ - min_t(size_t, len, DEBUG_DUMP_LIMIT), \ - 0); \ +#define wl1271_dump(level, prefix, buf, len) \ + do { \ + if (level & wl12xx_debug_level) \ + print_hex_dump_debug(DRIVER_PREFIX prefix, \ + DUMP_PREFIX_OFFSET, 16, 1, \ + buf, \ + min_t(size_t, len, DEBUG_DUMP_LIMIT), \ + 0); \ } while (0) -#define wl1271_dump_ascii(level, prefix, buf, len) \ - do { \ - if (level & wl12xx_debug_level) \ - print_hex_dump(KERN_DEBUG, DRIVER_PREFIX prefix, \ - DUMP_PREFIX_OFFSET, 16, 1, \ - buf, \ - min_t(size_t, len, DEBUG_DUMP_LIMIT), \ - true); \ +#define wl1271_dump_ascii(level, prefix, buf, len) \ + do { \ + if (level & wl12xx_debug_level) \ + print_hex_dump_debug(DRIVER_PREFIX prefix, \ + DUMP_PREFIX_OFFSET, 16, 1, \ + buf, \ + min_t(size_t, len, DEBUG_DUMP_LIMIT), \ + true); \ } while (0) #endif /* __DEBUG_H__ */ diff --git a/drivers/net/wireless/ti/wlcore/debugfs.c b/drivers/net/wireless/ti/wlcore/debugfs.c index e70a7c86486..c3e1f79c785 100644 --- a/drivers/net/wireless/ti/wlcore/debugfs.c +++ b/drivers/net/wireless/ti/wlcore/debugfs.c @@ -598,8 +598,7 @@ static ssize_t vifs_state_read(struct file *file, char __user *user_buf, VIF_STATE_PRINT_INT(last_rssi_event); VIF_STATE_PRINT_INT(ba_support); VIF_STATE_PRINT_INT(ba_allowed); - VIF_STATE_PRINT_LLHEX(tx_security_seq); - VIF_STATE_PRINT_INT(tx_security_last_seq_lsb); + VIF_STATE_PRINT_LLHEX(total_freed_pkts); } #undef VIF_STATE_PRINT_INT diff --git a/drivers/net/wireless/ti/wlcore/event.c b/drivers/net/wireless/ti/wlcore/event.c index 70f289aa1bc..67f61689b49 100644 --- a/drivers/net/wireless/ti/wlcore/event.c +++ b/drivers/net/wireless/ti/wlcore/event.c @@ -237,6 +237,14 @@ void wlcore_event_beacon_loss(struct wl1271 *wl, unsigned long roles_bitmap) !test_bit(wlvif->role_id , &roles_bitmap)) continue; + vif = wl12xx_wlvif_to_vif(wlvif); + + /* don't attempt roaming in case of p2p */ + if (wlvif->p2p) { + ieee80211_connection_loss(vif); + continue; + } + /* * if the work is already queued, it should take place. * We don't want to delay the connection loss @@ -246,7 +254,6 @@ void wlcore_event_beacon_loss(struct wl1271 *wl, unsigned long roles_bitmap) &wlvif->connection_loss_work, msecs_to_jiffies(delay)); - vif = wl12xx_wlvif_to_vif(wlvif); ieee80211_cqm_rssi_notify( vif, NL80211_CQM_RSSI_BEACON_LOSS_EVENT, diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c index 2c2ff3e1f84..953111a502e 100644 --- a/drivers/net/wireless/ti/wlcore/main.c +++ b/drivers/net/wireless/ti/wlcore/main.c @@ -108,8 +108,7 @@ static void wl1271_reg_notify(struct wiphy *wiphy, } - if (likely(wl->state == WLCORE_STATE_ON)) - wlcore_regdomain_config(wl); + wlcore_regdomain_config(wl); } static int wl1271_set_rx_streaming(struct wl1271 *wl, struct wl12xx_vif *wlvif, @@ -332,10 +331,9 @@ static void wl12xx_irq_ps_regulate_link(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 hlid, u8 tx_pkts) { - bool fw_ps, single_link; + bool fw_ps; fw_ps = test_bit(hlid, (unsigned long *)&wl->ap_fw_ps_map); - single_link = (wl->active_link_count == 1); /* * Wake up from high level PS if the STA is asleep with too little @@ -348,8 +346,13 @@ static void wl12xx_irq_ps_regulate_link(struct wl1271 *wl, * Start high-level PS if the STA is asleep with enough blocks in FW. * Make an exception if this is the only connected link. In this * case FW-memory congestion is less of a problem. + * Note that a single connected STA means 3 active links, since we must + * account for the global and broadcast AP links. The "fw_ps" check + * assures us the third link is a STA connected to the AP. Otherwise + * the FW would not set the PSM bit. */ - else if (!single_link && fw_ps && tx_pkts >= WL1271_PS_STA_MAX_PACKETS) + else if (wl->active_link_count > 3 && fw_ps && + tx_pkts >= WL1271_PS_STA_MAX_PACKETS) wl12xx_ps_link_start(wl, wlvif, hlid, true); } @@ -414,13 +417,21 @@ static int wlcore_fw_status(struct wl1271 *wl, for_each_set_bit(i, wl->links_map, WL12XX_MAX_LINKS) { + u8 diff; lnk = &wl->links[i]; + /* prevent wrap-around in freed-packets counter */ - lnk->allocated_pkts -= - (status_2->counters.tx_lnk_free_pkts[i] - - lnk->prev_freed_pkts) & 0xff; + diff = (status_2->counters.tx_lnk_free_pkts[i] - + lnk->prev_freed_pkts) & 0xff; + + if (diff == 0) + continue; + lnk->allocated_pkts -= diff; lnk->prev_freed_pkts = status_2->counters.tx_lnk_free_pkts[i]; + + /* accumulate the prev_freed_pkts counter */ + lnk->total_freed_pkts += diff; } /* prevent wrap-around in total blocks counter */ @@ -640,6 +651,25 @@ static irqreturn_t wlcore_irq(int irq, void *cookie) unsigned long flags; struct wl1271 *wl = cookie; + /* complete the ELP completion */ + spin_lock_irqsave(&wl->wl_lock, flags); + set_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags); + if (wl->elp_compl) { + complete(wl->elp_compl); + wl->elp_compl = NULL; + } + + if (test_bit(WL1271_FLAG_SUSPENDED, &wl->flags)) { + /* don't enqueue a work right now. mark it as pending */ + set_bit(WL1271_FLAG_PENDING_WORK, &wl->flags); + wl1271_debug(DEBUG_IRQ, "should not enqueue work"); + disable_irq_nosync(wl->irq); + pm_wakeup_event(wl->dev, 0); + spin_unlock_irqrestore(&wl->wl_lock, flags); + return IRQ_HANDLED; + } + spin_unlock_irqrestore(&wl->wl_lock, flags); + /* TX might be handled here, avoid redundant work */ set_bit(WL1271_FLAG_TX_PENDING, &wl->flags); cancel_work_sync(&wl->tx_work); @@ -919,18 +949,6 @@ static void wl1271_recovery_work(struct work_struct *work) goto out_unlock; } - /* - * Advance security sequence number to overcome potential progress - * in the firmware during recovery. This doens't hurt if the network is - * not encrypted. - */ - wl12xx_for_each_wlvif(wl, wlvif) { - if (test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags) || - test_bit(WLVIF_FLAG_AP_STARTED, &wlvif->flags)) - wlvif->tx_security_seq += - WL1271_TX_SQN_POST_RECOVERY_PADDING; - } - /* Prevent spurious TX during FW restart */ wlcore_stop_queues(wl, WLCORE_QUEUE_STOP_REASON_FW_RESTART); @@ -2523,6 +2541,8 @@ static void __wl1271_op_remove_interface(struct wl1271 *wl, wl1271_ps_elp_sleep(wl); } deinit: + wl12xx_tx_reset_wlvif(wl, wlvif); + /* clear all hlids (except system_hlid) */ wlvif->dev_hlid = WL12XX_INVALID_LINK_ID; @@ -2546,7 +2566,6 @@ deinit: dev_kfree_skb(wlvif->probereq); wlvif->probereq = NULL; - wl12xx_tx_reset_wlvif(wl, wlvif); if (wl->last_wlvif == wlvif) wl->last_wlvif = NULL; list_del(&wlvif->list); @@ -2860,10 +2879,6 @@ static int wlcore_unset_assoc(struct wl1271 *wl, struct wl12xx_vif *wlvif) wlvif->sta.klv_template_id, ACX_KEEP_ALIVE_TPL_INVALID); - /* reset TX security counters on a clean disconnect */ - wlvif->tx_security_last_seq_lsb = 0; - wlvif->tx_security_seq = 0; - return 0; } @@ -3262,6 +3277,7 @@ int wlcore_set_key(struct wl1271 *wl, enum set_key_cmd cmd, u32 tx_seq_32 = 0; u16 tx_seq_16 = 0; u8 key_type; + u8 hlid; wl1271_debug(DEBUG_MAC80211, "mac80211 set key"); @@ -3271,6 +3287,22 @@ int wlcore_set_key(struct wl1271 *wl, enum set_key_cmd cmd, key_conf->keylen, key_conf->flags); wl1271_dump(DEBUG_CRYPT, "KEY: ", key_conf->key, key_conf->keylen); + if (wlvif->bss_type == BSS_TYPE_AP_BSS) + if (sta) { + struct wl1271_station *wl_sta = (void *)sta->drv_priv; + hlid = wl_sta->hlid; + } else { + hlid = wlvif->ap.bcast_hlid; + } + else + hlid = wlvif->sta.hlid; + + if (hlid != WL12XX_INVALID_LINK_ID) { + u64 tx_seq = wl->links[hlid].total_freed_pkts; + tx_seq_32 = WL1271_TX_SECURITY_HI32(tx_seq); + tx_seq_16 = WL1271_TX_SECURITY_LO16(tx_seq); + } + switch (key_conf->cipher) { case WLAN_CIPHER_SUITE_WEP40: case WLAN_CIPHER_SUITE_WEP104: @@ -3280,22 +3312,14 @@ int wlcore_set_key(struct wl1271 *wl, enum set_key_cmd cmd, break; case WLAN_CIPHER_SUITE_TKIP: key_type = KEY_TKIP; - key_conf->hw_key_idx = key_conf->keyidx; - tx_seq_32 = WL1271_TX_SECURITY_HI32(wlvif->tx_security_seq); - tx_seq_16 = WL1271_TX_SECURITY_LO16(wlvif->tx_security_seq); break; case WLAN_CIPHER_SUITE_CCMP: key_type = KEY_AES; - key_conf->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; - tx_seq_32 = WL1271_TX_SECURITY_HI32(wlvif->tx_security_seq); - tx_seq_16 = WL1271_TX_SECURITY_LO16(wlvif->tx_security_seq); break; case WL1271_CIPHER_SUITE_GEM: key_type = KEY_GEM; - tx_seq_32 = WL1271_TX_SECURITY_HI32(wlvif->tx_security_seq); - tx_seq_16 = WL1271_TX_SECURITY_LO16(wlvif->tx_security_seq); break; default: wl1271_error("Unknown key algo 0x%x", key_conf->cipher); @@ -3358,6 +3382,10 @@ void wlcore_regdomain_config(struct wl1271 *wl) return; mutex_lock(&wl->mutex); + + if (unlikely(wl->state != WLCORE_STATE_ON)) + goto out; + ret = wl1271_ps_elp_wakeup(wl); if (ret < 0) goto out; @@ -4474,7 +4502,7 @@ static int wl1271_op_get_survey(struct ieee80211_hw *hw, int idx, if (idx != 0) return -ENOENT; - survey->channel = conf->channel; + survey->channel = conf->chandef.chan; survey->filled = 0; return 0; } @@ -4499,6 +4527,9 @@ static int wl1271_allocate_sta(struct wl1271 *wl, return -EBUSY; } + /* use the previous security seq, if this is a recovery/resume */ + wl->links[wl_sta->hlid].total_freed_pkts = wl_sta->total_freed_pkts; + set_bit(wl_sta->hlid, wlvif->ap.sta_hlid_map); memcpy(wl->links[wl_sta->hlid].addr, sta->addr, ETH_ALEN); wl->active_sta_count++; @@ -4507,12 +4538,37 @@ static int wl1271_allocate_sta(struct wl1271 *wl, void wl1271_free_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 hlid) { + struct wl1271_station *wl_sta; + struct ieee80211_sta *sta; + struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); + if (!test_bit(hlid, wlvif->ap.sta_hlid_map)) return; clear_bit(hlid, wlvif->ap.sta_hlid_map); __clear_bit(hlid, &wl->ap_ps_map); __clear_bit(hlid, (unsigned long *)&wl->ap_fw_ps_map); + + /* + * save the last used PN in the private part of iee80211_sta, + * in case of recovery/suspend + */ + rcu_read_lock(); + sta = ieee80211_find_sta(vif, wl->links[hlid].addr); + if (sta) { + wl_sta = (void *)sta->drv_priv; + wl_sta->total_freed_pkts = wl->links[hlid].total_freed_pkts; + + /* + * increment the initial seq number on recovery to account for + * transmitted packets that we haven't yet got in the FW status + */ + if (test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags)) + wl_sta->total_freed_pkts += + WL1271_TX_SQN_POST_RECOVERY_PADDING; + } + rcu_read_unlock(); + wl12xx_free_link(wl, wlvif, &hlid); wl->active_sta_count--; @@ -4616,13 +4672,11 @@ static int wl12xx_update_sta_state(struct wl1271 *wl, enum ieee80211_sta_state new_state) { struct wl1271_station *wl_sta; - u8 hlid; bool is_ap = wlvif->bss_type == BSS_TYPE_AP_BSS; bool is_sta = wlvif->bss_type == BSS_TYPE_STA_BSS; int ret; wl_sta = (struct wl1271_station *)sta->drv_priv; - hlid = wl_sta->hlid; /* Add station (AP mode) */ if (is_ap && @@ -4648,12 +4702,12 @@ static int wl12xx_update_sta_state(struct wl1271 *wl, /* Authorize station (AP mode) */ if (is_ap && new_state == IEEE80211_STA_AUTHORIZED) { - ret = wl12xx_cmd_set_peer_state(wl, wlvif, hlid); + ret = wl12xx_cmd_set_peer_state(wl, wlvif, wl_sta->hlid); if (ret < 0) return ret; ret = wl1271_acx_set_ht_capabilities(wl, &sta->ht_cap, true, - hlid); + wl_sta->hlid); if (ret) return ret; @@ -4784,7 +4838,7 @@ static int wl1271_op_ampdu_action(struct ieee80211_hw *hw, break; } - if (wl->ba_rx_session_count >= RX_BA_MAX_SESSIONS) { + if (wl->ba_rx_session_count >= wl->ba_rx_session_count_max) { ret = -EBUSY; wl1271_error("exceeded max RX BA sessions"); break; @@ -4946,7 +5000,7 @@ out: mutex_unlock(&wl->mutex); } -static void wlcore_op_flush(struct ieee80211_hw *hw, bool drop) +static void wlcore_op_flush(struct ieee80211_hw *hw, u32 queues, bool drop) { struct wl1271 *wl = hw->priv; @@ -4956,7 +5010,8 @@ static void wlcore_op_flush(struct ieee80211_hw *hw, bool drop) static int wlcore_op_remain_on_channel(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_channel *chan, - int duration) + int duration, + enum ieee80211_roc_type type) { struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); struct wl1271 *wl = hw->priv; @@ -5091,6 +5146,39 @@ static void wlcore_op_sta_rc_update(struct ieee80211_hw *hw, wlcore_hw_sta_rc_update(wl, wlvif, sta, changed); } +static int wlcore_op_get_rssi(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + s8 *rssi_dbm) +{ + struct wl1271 *wl = hw->priv; + struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); + int ret = 0; + + wl1271_debug(DEBUG_MAC80211, "mac80211 get_rssi"); + + mutex_lock(&wl->mutex); + + if (unlikely(wl->state != WLCORE_STATE_ON)) + goto out; + + ret = wl1271_ps_elp_wakeup(wl); + if (ret < 0) + goto out_sleep; + + ret = wlcore_acx_average_rssi(wl, wlvif, rssi_dbm); + if (ret < 0) + goto out_sleep; + +out_sleep: + wl1271_ps_elp_sleep(wl); + +out: + mutex_unlock(&wl->mutex); + + return ret; +} + static bool wl1271_tx_frames_pending(struct ieee80211_hw *hw) { struct wl1271 *wl = hw->priv; @@ -5290,6 +5378,7 @@ static const struct ieee80211_ops wl1271_ops = { .assign_vif_chanctx = wlcore_op_assign_vif_chanctx, .unassign_vif_chanctx = wlcore_op_unassign_vif_chanctx, .sta_rc_update = wlcore_op_sta_rc_update, + .get_rssi = wlcore_op_get_rssi, CFG80211_TESTMODE_CMD(wl1271_tm_cmd) }; @@ -5929,35 +6018,6 @@ int wlcore_free_hw(struct wl1271 *wl) } EXPORT_SYMBOL_GPL(wlcore_free_hw); -static irqreturn_t wl12xx_hardirq(int irq, void *cookie) -{ - struct wl1271 *wl = cookie; - unsigned long flags; - - wl1271_debug(DEBUG_IRQ, "IRQ"); - - /* complete the ELP completion */ - spin_lock_irqsave(&wl->wl_lock, flags); - set_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags); - if (wl->elp_compl) { - complete(wl->elp_compl); - wl->elp_compl = NULL; - } - - if (test_bit(WL1271_FLAG_SUSPENDED, &wl->flags)) { - /* don't enqueue a work right now. mark it as pending */ - set_bit(WL1271_FLAG_PENDING_WORK, &wl->flags); - wl1271_debug(DEBUG_IRQ, "should not enqueue work"); - disable_irq_nosync(wl->irq); - pm_wakeup_event(wl->dev, 0); - spin_unlock_irqrestore(&wl->wl_lock, flags); - return IRQ_HANDLED; - } - spin_unlock_irqrestore(&wl->wl_lock, flags); - - return IRQ_WAKE_THREAD; -} - static void wlcore_nvs_cb(const struct firmware *fw, void *context) { struct wl1271 *wl = context; @@ -5999,9 +6059,8 @@ static void wlcore_nvs_cb(const struct firmware *fw, void *context) else irqflags = IRQF_TRIGGER_HIGH | IRQF_ONESHOT; - ret = request_threaded_irq(wl->irq, wl12xx_hardirq, wlcore_irq, - irqflags, - pdev->name, wl); + ret = request_threaded_irq(wl->irq, NULL, wlcore_irq, + irqflags, pdev->name, wl); if (ret < 0) { wl1271_error("request_irq() failed: %d", ret); goto out_free_nvs; diff --git a/drivers/net/wireless/ti/wlcore/ps.c b/drivers/net/wireless/ti/wlcore/ps.c index 9b7b6e2e4fb..9654577efd0 100644 --- a/drivers/net/wireless/ti/wlcore/ps.c +++ b/drivers/net/wireless/ti/wlcore/ps.c @@ -29,6 +29,7 @@ #define WL1271_WAKEUP_TIMEOUT 500 #define ELP_ENTRY_DELAY 30 +#define ELP_ENTRY_DELAY_FORCE_PS 5 void wl1271_elp_work(struct work_struct *work) { @@ -98,7 +99,8 @@ void wl1271_ps_elp_sleep(struct wl1271 *wl) return; } - timeout = ELP_ENTRY_DELAY; + timeout = wl->conf.conn.forced_ps ? + ELP_ENTRY_DELAY_FORCE_PS : ELP_ENTRY_DELAY; ieee80211_queue_delayed_work(wl->hw, &wl->elp_work, msecs_to_jiffies(timeout)); } diff --git a/drivers/net/wireless/ti/wlcore/tx.c b/drivers/net/wireless/ti/wlcore/tx.c index ece392c54d9..004d02e71f0 100644 --- a/drivers/net/wireless/ti/wlcore/tx.c +++ b/drivers/net/wireless/ti/wlcore/tx.c @@ -24,6 +24,7 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/etherdevice.h> +#include <linux/spinlock.h> #include "wlcore.h" #include "debug.h" @@ -104,7 +105,7 @@ static void wl1271_tx_regulate_link(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 hlid) { - bool fw_ps, single_link; + bool fw_ps; u8 tx_pkts; if (WARN_ON(!test_bit(hlid, wlvif->links_map))) @@ -112,15 +113,19 @@ static void wl1271_tx_regulate_link(struct wl1271 *wl, fw_ps = test_bit(hlid, (unsigned long *)&wl->ap_fw_ps_map); tx_pkts = wl->links[hlid].allocated_pkts; - single_link = (wl->active_link_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 link. In this * case FW-memory congestion is less of a problem. + * Note that a single connected STA means 3 active links, since we must + * account for the global and broadcast AP links. The "fw_ps" check + * assures us the third link is a STA connected to the AP. Otherwise + * the FW would not set the PSM bit. */ - if (!single_link && fw_ps && tx_pkts >= WL1271_PS_STA_MAX_PACKETS) + if (wl->active_link_count > 3 && fw_ps && + tx_pkts >= WL1271_PS_STA_MAX_PACKETS) wl12xx_ps_link_start(wl, wlvif, hlid, true); } @@ -639,6 +644,7 @@ next: } +out: if (!skb && test_and_clear_bit(WL1271_FLAG_DUMMY_PACKET_PENDING, &wl->flags)) { int q; @@ -652,7 +658,6 @@ next: spin_unlock_irqrestore(&wl->wl_lock, flags); } -out: return skb; } @@ -928,25 +933,6 @@ static void wl1271_tx_complete_packet(struct wl1271 *wl, wl->stats.retry_count += result->ack_failures; - /* - * 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 = wlvif->tx_security_last_seq_lsb; - - /* - * update security sequence number, taking care of potential - * wrap-around - */ - wlvif->tx_security_seq += (fw_lsb - cur_lsb) & 0xff; - wlvif->tx_security_last_seq_lsb = fw_lsb; - } - /* remove private header from packet */ skb_pull(skb, sizeof(struct wl1271_tx_hw_descr)); @@ -1061,7 +1047,8 @@ void wl12xx_tx_reset_wlvif(struct wl1271 *wl, struct wl12xx_vif *wlvif) /* TX failure */ for_each_set_bit(i, wlvif->links_map, WL12XX_MAX_LINKS) { - if (wlvif->bss_type == BSS_TYPE_AP_BSS) { + if (wlvif->bss_type == BSS_TYPE_AP_BSS && + i != wlvif->ap.bcast_hlid && i != wlvif->ap.global_hlid) { /* this calls wl12xx_free_link */ wl1271_free_sta(wl, wlvif, i); } else { @@ -1304,7 +1291,7 @@ bool wlcore_is_queue_stopped_by_reason_locked(struct wl1271 *wl, { int hwq = wlcore_tx_get_mac80211_queue(wlvif, queue); - WARN_ON_ONCE(!spin_is_locked(&wl->wl_lock)); + assert_spin_locked(&wl->wl_lock); return test_bit(reason, &wl->queue_stop_reasons[hwq]); } @@ -1313,6 +1300,6 @@ bool wlcore_is_queue_stopped_locked(struct wl1271 *wl, struct wl12xx_vif *wlvif, { int hwq = wlcore_tx_get_mac80211_queue(wlvif, queue); - WARN_ON_ONCE(!spin_is_locked(&wl->wl_lock)); + assert_spin_locked(&wl->wl_lock); return !!wl->queue_stop_reasons[hwq]; } diff --git a/drivers/net/wireless/ti/wlcore/wlcore.h b/drivers/net/wireless/ti/wlcore/wlcore.h index af9fecaefc3..0034979e97c 100644 --- a/drivers/net/wireless/ti/wlcore/wlcore.h +++ b/drivers/net/wireless/ti/wlcore/wlcore.h @@ -390,6 +390,9 @@ struct wl1271 { /* number of currently active RX BA sessions */ int ba_rx_session_count; + /* Maximum number of supported RX BA sessions */ + int ba_rx_session_count_max; + /* AP-mode - number of currently connected stations */ int active_sta_count; diff --git a/drivers/net/wireless/ti/wlcore/wlcore_i.h b/drivers/net/wireless/ti/wlcore/wlcore_i.h index 508f5b0f8a7..e5e146435fe 100644 --- a/drivers/net/wireless/ti/wlcore/wlcore_i.h +++ b/drivers/net/wireless/ti/wlcore/wlcore_i.h @@ -274,6 +274,13 @@ struct wl1271_link { /* The wlvif this link belongs to. Might be null for global links */ struct wl12xx_vif *wlvif; + + /* + * total freed FW packets on the link - used for tracking the + * AES/TKIP PN across recoveries. Re-initialized each time + * from the wl1271_station structure. + */ + u64 total_freed_pkts; }; #define WL1271_MAX_RX_FILTERS 5 @@ -318,6 +325,13 @@ struct wl12xx_rx_filter { struct wl1271_station { u8 hlid; bool in_connection; + + /* + * total freed FW packets on the link to the STA - used for tracking the + * AES/TKIP PN across recoveries. Re-initialized each time from the + * wl1271_station structure. + */ + u64 total_freed_pkts; }; struct wl12xx_vif { @@ -449,16 +463,15 @@ struct wl12xx_vif { */ struct { u8 persistent[0]; + /* - * 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 + * total freed FW packets on the link - used for + * storing the AES/TKIP PN during recovery, as this + * structure is not zeroed out. + * For STA this holds the PN of the link to the AP. + * For AP this holds the PN of the broadcast link. */ - u64 tx_security_seq; - - /* 8 bits of the last sequence number in use */ - u8 tx_security_last_seq_lsb; + u64 total_freed_pkts; }; }; |