diff options
Diffstat (limited to 'drivers/net/wireless/wl12xx')
| -rw-r--r-- | drivers/net/wireless/wl12xx/main.c | 15 | ||||
| -rw-r--r-- | drivers/net/wireless/wl12xx/tx.c | 7 | ||||
| -rw-r--r-- | drivers/net/wireless/wl12xx/wl12xx.h | 3 |
3 files changed, 20 insertions, 5 deletions
diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c index 2eb1471ac4ec..1127a3ee36e3 100644 --- a/drivers/net/wireless/wl12xx/main.c +++ b/drivers/net/wireless/wl12xx/main.c @@ -770,13 +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 @@ -785,8 +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); } @@ -2093,6 +2098,7 @@ 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); @@ -3747,6 +3753,7 @@ 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; } @@ -3763,6 +3770,7 @@ 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, @@ -4640,6 +4648,7 @@ 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; diff --git a/drivers/net/wireless/wl12xx/tx.c b/drivers/net/wireless/wl12xx/tx.c index b876e9eb4e83..2bf31302b975 100644 --- a/drivers/net/wireless/wl12xx/tx.c +++ b/drivers/net/wireless/wl12xx/tx.c @@ -126,7 +126,7 @@ 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 */ @@ -138,12 +138,15 @@ static void wl1271_tx_regulate_link(struct wl1271 *wl, u8 hlid) 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); } diff --git a/drivers/net/wireless/wl12xx/wl12xx.h b/drivers/net/wireless/wl12xx/wl12xx.h index ba1fde9f9b28..b661c2c4f689 100644 --- a/drivers/net/wireless/wl12xx/wl12xx.h +++ b/drivers/net/wireless/wl12xx/wl12xx.h @@ -626,6 +626,9 @@ 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 { |
