diff options
Diffstat (limited to 'drivers/net/wireless/wl12xx')
| -rw-r--r-- | drivers/net/wireless/wl12xx/wl1271.h | 7 | ||||
| -rw-r--r-- | drivers/net/wireless/wl12xx/wl1271_acx.c | 24 | ||||
| -rw-r--r-- | drivers/net/wireless/wl12xx/wl1271_acx.h | 5 | ||||
| -rw-r--r-- | drivers/net/wireless/wl12xx/wl1271_init.c | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/wl12xx/wl1271_main.c | 59 | ||||
| -rw-r--r-- | drivers/net/wireless/wl12xx/wl1271_tx.c | 37 |
6 files changed, 90 insertions, 44 deletions
diff --git a/drivers/net/wireless/wl12xx/wl1271.h b/drivers/net/wireless/wl12xx/wl1271.h index c965c4a718f3..9290c92522b4 100644 --- a/drivers/net/wireless/wl12xx/wl1271.h +++ b/drivers/net/wireless/wl12xx/wl1271.h @@ -322,6 +322,10 @@ struct wl1271 { enum wl1271_state state; struct mutex mutex; +#define WL1271_FLAG_STA_RATES_CHANGED (0) +#define WL1271_FLAG_STA_ASSOCIATED (1) + unsigned long flags; + struct wl1271_partition_set part; struct wl1271_chip chip; @@ -394,7 +398,9 @@ struct wl1271 { u16 aid; /* currently configured rate set */ + u32 sta_rate_set; u32 basic_rate_set; + u32 rate_set; /* The current band */ enum ieee80211_band band; @@ -416,7 +422,6 @@ struct wl1271 { /* PSM mode requested */ bool psm_requested; - bool associated; /* retry counter for PSM entries */ u8 psm_entry_retry; diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.c b/drivers/net/wireless/wl12xx/wl1271_acx.c index ea6427ad1bcb..0ea1a48c45fa 100644 --- a/drivers/net/wireless/wl12xx/wl1271_acx.c +++ b/drivers/net/wireless/wl12xx/wl1271_acx.c @@ -787,10 +787,11 @@ int wl1271_acx_statistics(struct wl1271 *wl, struct acx_statistics *stats) return 0; } -int wl1271_acx_rate_policies(struct wl1271 *wl, u32 enabled_rates) +int wl1271_acx_rate_policies(struct wl1271 *wl) { struct acx_rate_policy *acx; struct conf_tx_rate_class *c = &wl->conf.tx.rc_conf; + int idx = 0; int ret = 0; wl1271_debug(DEBUG_ACX, "acx rate policies"); @@ -802,12 +803,21 @@ int wl1271_acx_rate_policies(struct wl1271 *wl, u32 enabled_rates) goto out; } - /* configure one default (one-size-fits-all) rate class */ - acx->rate_class_cnt = cpu_to_le32(1); - acx->rate_class[0].enabled_rates = cpu_to_le32(enabled_rates); - acx->rate_class[0].short_retry_limit = c->short_retry_limit; - acx->rate_class[0].long_retry_limit = c->long_retry_limit; - acx->rate_class[0].aflags = c->aflags; + /* configure one basic rate class */ + idx = ACX_TX_BASIC_RATE; + acx->rate_class[idx].enabled_rates = cpu_to_le32(wl->basic_rate_set); + acx->rate_class[idx].short_retry_limit = c->short_retry_limit; + acx->rate_class[idx].long_retry_limit = c->long_retry_limit; + acx->rate_class[idx].aflags = c->aflags; + + /* configure one AP supported rate class */ + idx = ACX_TX_AP_FULL_RATE; + acx->rate_class[idx].enabled_rates = cpu_to_le32(wl->rate_set); + acx->rate_class[idx].short_retry_limit = c->short_retry_limit; + acx->rate_class[idx].long_retry_limit = c->long_retry_limit; + acx->rate_class[idx].aflags = c->aflags; + + acx->rate_class_cnt = cpu_to_le32(ACX_TX_RATE_POLICY_CNT); ret = wl1271_cmd_configure(wl, ACX_RATE_POLICY, acx, sizeof(*acx)); if (ret < 0) { diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.h b/drivers/net/wireless/wl12xx/wl1271_acx.h index 6640ebfb6162..b6a473f60658 100644 --- a/drivers/net/wireless/wl12xx/wl1271_acx.h +++ b/drivers/net/wireless/wl12xx/wl1271_acx.h @@ -826,6 +826,9 @@ struct acx_rate_class { u8 reserved; }; +#define ACX_TX_BASIC_RATE 0 +#define ACX_TX_AP_FULL_RATE 1 +#define ACX_TX_RATE_POLICY_CNT 2 struct acx_rate_policy { struct acx_header header; @@ -1058,7 +1061,7 @@ int wl1271_acx_set_preamble(struct wl1271 *wl, enum acx_preamble_type preamble); int wl1271_acx_cts_protect(struct wl1271 *wl, enum acx_ctsprotect_type ctsprotect); int wl1271_acx_statistics(struct wl1271 *wl, struct acx_statistics *stats); -int wl1271_acx_rate_policies(struct wl1271 *wl, u32 enabled_rates); +int wl1271_acx_rate_policies(struct wl1271 *wl); int wl1271_acx_ac_cfg(struct wl1271 *wl); int wl1271_acx_tid_cfg(struct wl1271 *wl); int wl1271_acx_frag_threshold(struct wl1271 *wl); diff --git a/drivers/net/wireless/wl12xx/wl1271_init.c b/drivers/net/wireless/wl12xx/wl1271_init.c index c67889dd18fc..3b4ed070f439 100644 --- a/drivers/net/wireless/wl12xx/wl1271_init.c +++ b/drivers/net/wireless/wl12xx/wl1271_init.c @@ -284,7 +284,7 @@ int wl1271_hw_init(struct wl1271 *wl) goto out_free_memmap; /* Configure TX rate classes */ - ret = wl1271_acx_rate_policies(wl, CONF_TX_RATE_MASK_BASIC); + ret = wl1271_acx_rate_policies(wl); if (ret < 0) goto out_free_memmap; diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c index 7a73aaadd04c..775b1e82ca81 100644 --- a/drivers/net/wireless/wl12xx/wl1271_main.c +++ b/drivers/net/wireless/wl12xx/wl1271_main.c @@ -777,7 +777,20 @@ out: static int wl1271_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb) { struct wl1271 *wl = hw->priv; + struct ieee80211_conf *conf = &hw->conf; + struct ieee80211_tx_info *txinfo = IEEE80211_SKB_CB(skb); + struct ieee80211_sta *sta = txinfo->control.sta; + unsigned long flags; + /* peek into the rates configured in the STA entry */ + spin_lock_irqsave(&wl->wl_lock, flags); + if (sta && sta->supp_rates[conf->channel->band] != wl->sta_rate_set) { + wl->sta_rate_set = sta->supp_rates[conf->channel->band]; + set_bit(WL1271_FLAG_STA_RATES_CHANGED, &wl->flags); + } + spin_unlock_irqrestore(&wl->wl_lock, flags); + + /* queue the packet */ skb_queue_tail(&wl->tx_queue, skb); /* @@ -1004,7 +1017,6 @@ static void wl1271_op_stop(struct ieee80211_hw *hw) wl->elp = false; wl->psm = 0; wl->psm_entry_retry = 0; - wl->associated = false; wl->tx_queue_stopped = false; wl->power_level = WL1271_DEFAULT_POWER_LEVEL; wl->tx_blocks_available = 0; @@ -1016,6 +1028,9 @@ static void wl1271_op_stop(struct ieee80211_hw *hw) wl->time_offset = 0; wl->session_counter = 0; wl->joined = false; + wl->rate_set = CONF_TX_RATE_MASK_BASIC; + wl->sta_rate_set = 0; + wl->flags = 0; for (i = 0; i < NUM_TX_QUEUES; i++) wl->tx_blocks_freed[i] = 0; @@ -1212,8 +1227,9 @@ static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed) wl1271_join_channel(wl, channel); if (conf->flags & IEEE80211_CONF_IDLE) { - wl->basic_rate_set = CONF_TX_RATE_MASK_BASIC; - wl1271_acx_rate_policies(wl, CONF_TX_RATE_MASK_BASIC); + wl->rate_set = CONF_TX_RATE_MASK_BASIC; + wl->sta_rate_set = 0; + wl1271_acx_rate_policies(wl); } } @@ -1229,7 +1245,7 @@ static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed) * If we're not, we'll enter it when joining an SSID, * through the bss_info_changed() hook. */ - if (wl->associated) { + if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) { wl1271_info("psm enabled"); ret = wl1271_ps_set_mode(wl, STATION_POWER_SAVE_MODE); } @@ -1522,22 +1538,6 @@ out: return ret; } -static u32 wl1271_enabled_rates_get(struct wl1271 *wl, u64 basic_rate_set) -{ - struct ieee80211_supported_band *band; - u32 enabled_rates = 0; - int bit; - - band = wl->hw->wiphy->bands[wl->band]; - for (bit = 0; bit < band->n_bitrates; bit++) { - if (basic_rate_set & 0x1) - enabled_rates |= band->bitrates[bit].hw_value; - basic_rate_set >>= 1; - } - - return enabled_rates; -} - static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_bss_conf *bss_conf, @@ -1616,7 +1616,7 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw, if (changed & BSS_CHANGED_ASSOC) { if (bss_conf->assoc) { wl->aid = bss_conf->aid; - wl->associated = true; + set_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags); /* * with wl1271, we don't need to update the @@ -1641,7 +1641,7 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw, } } else { /* use defaults when not associated */ - wl->associated = false; + clear_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags); wl->aid = 0; } @@ -1676,17 +1676,6 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw, } } - if (changed & BSS_CHANGED_BASIC_RATES) { - wl->basic_rate_set = wl1271_enabled_rates_get( - wl, bss_conf->basic_rates); - - ret = wl1271_acx_rate_policies(wl, wl->basic_rate_set); - if (ret < 0) { - wl1271_warning("Set rate policies failed %d", ret); - goto out_sleep; - } - } - out_sleep: wl1271_ps_elp_sleep(wl); @@ -1969,14 +1958,16 @@ static int __devinit wl1271_probe(struct spi_device *spi) wl->psm = 0; wl->psm_requested = false; wl->psm_entry_retry = 0; - wl->associated = false; wl->tx_queue_stopped = false; wl->power_level = WL1271_DEFAULT_POWER_LEVEL; wl->basic_rate_set = CONF_TX_RATE_MASK_BASIC; + wl->rate_set = CONF_TX_RATE_MASK_BASIC; + wl->sta_rate_set = 0; wl->band = IEEE80211_BAND_2GHZ; wl->vif = NULL; wl->joined = false; wl->gpio_power = false; + wl->flags = 0; for (i = 0; i < ACX_TX_DESCRIPTORS; i++) wl->tx_frames[i] = NULL; diff --git a/drivers/net/wireless/wl12xx/wl1271_tx.c b/drivers/net/wireless/wl12xx/wl1271_tx.c index 00af065c77c2..75f532706332 100644 --- a/drivers/net/wireless/wl12xx/wl1271_tx.c +++ b/drivers/net/wireless/wl12xx/wl1271_tx.c @@ -121,6 +121,11 @@ static int wl1271_tx_fill_hdr(struct wl1271 *wl, struct sk_buff *skb, pad = pad - skb->len; tx_attr |= pad << TX_HW_ATTR_OFST_LAST_WORD_PAD; + /* if the packets are destined for AP (have a STA entry) send them + with AP rate policies, otherwise use default basic rates */ + if (control->control.sta) + tx_attr |= ACX_TX_AP_FULL_RATE << TX_HW_ATTR_OFST_RATE_POLICY; + desc->tx_attr = cpu_to_le16(tx_attr); wl1271_debug(DEBUG_TX, "tx_fill_hdr: pad: %d", pad); @@ -214,18 +219,50 @@ static int wl1271_tx_frame(struct wl1271 *wl, struct sk_buff *skb) return ret; } +static u32 wl1271_tx_enabled_rates_get(struct wl1271 *wl, u32 rate_set) +{ + struct ieee80211_supported_band *band; + u32 enabled_rates = 0; + int bit; + + band = wl->hw->wiphy->bands[wl->band]; + for (bit = 0; bit < band->n_bitrates; bit++) { + if (rate_set & 0x1) + enabled_rates |= band->bitrates[bit].hw_value; + rate_set >>= 1; + } + + return enabled_rates; +} + void wl1271_tx_work(struct work_struct *work) { struct wl1271 *wl = container_of(work, struct wl1271, tx_work); struct sk_buff *skb; bool woken_up = false; + u32 sta_rates = 0; int ret; + /* check if the rates supported by the AP have changed */ + if (unlikely(test_and_clear_bit(WL1271_FLAG_STA_RATES_CHANGED, + &wl->flags))) { + unsigned long flags; + spin_lock_irqsave(&wl->wl_lock, flags); + sta_rates = wl->sta_rate_set; + spin_unlock_irqrestore(&wl->wl_lock, flags); + } + mutex_lock(&wl->mutex); if (unlikely(wl->state == WL1271_STATE_OFF)) goto out; + /* if rates have changed, re-configure the rate policy */ + if (unlikely(sta_rates)) { + wl->rate_set = wl1271_tx_enabled_rates_get(wl, sta_rates); + wl1271_acx_rate_policies(wl); + } + while ((skb = skb_dequeue(&wl->tx_queue))) { if (!woken_up) { ret = wl1271_ps_elp_wakeup(wl, false); |