diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-agn-rs.c | 48 |
1 files changed, 19 insertions, 29 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c index 0332805cc63..d8ac45dc501 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c @@ -281,10 +281,9 @@ static u8 rs_tl_add_packet(struct iwl_lq_sta *lq_data, u32 time_diff; s32 index; struct iwl_traffic_load *tl = NULL; - __le16 fc = hdr->frame_control; u8 tid; - if (ieee80211_is_data_qos(fc)) { + if (ieee80211_is_data_qos(hdr->frame_control)) { u8 *qc = ieee80211_get_qos_ctl(hdr); tid = qc[0] & 0xf; } else @@ -773,7 +772,7 @@ static void rs_tx_status(void *priv_r, struct ieee80211_supported_band *sband, int status; u8 retries; int rs_index, index = 0; - struct iwl_lq_sta *lq_sta; + struct iwl_lq_sta *lq_sta = priv_sta; struct iwl_link_quality_cmd *table; struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; struct iwl_priv *priv = (struct iwl_priv *)priv_r; @@ -785,12 +784,12 @@ static void rs_tx_status(void *priv_r, struct ieee80211_supported_band *sband, struct iwl_scale_tbl_info tbl_type; struct iwl_scale_tbl_info *curr_tbl, *search_tbl; u8 active_index = 0; - __le16 fc = hdr->frame_control; s32 tpt = 0; IWL_DEBUG_RATE_LIMIT("get frame ack response, update rate scale window\n"); - if (!ieee80211_is_data(fc) || is_multicast_ether_addr(hdr->addr1)) + if (!ieee80211_is_data(hdr->frame_control) || + is_multicast_ether_addr(hdr->addr1)) return; /* This packet was aggregated but doesn't carry rate scale info */ @@ -803,8 +802,6 @@ static void rs_tx_status(void *priv_r, struct ieee80211_supported_band *sband, if (retries > 15) retries = 15; - lq_sta = (struct iwl_lq_sta *)priv_sta; - if ((priv->iw_mode == NL80211_IFTYPE_ADHOC) && !lq_sta->ibss_sta_added) goto out; @@ -1675,7 +1672,6 @@ static void rs_rate_scale_perform(struct iwl_priv *priv, int high_tpt = IWL_INVALID_VALUE; u32 fail_count; s8 scale_action = 0; - __le16 fc; u16 rate_mask; u8 update_lq = 0; struct iwl_scale_tbl_info *tbl, *tbl1; @@ -1690,13 +1686,12 @@ static void rs_rate_scale_perform(struct iwl_priv *priv, IWL_DEBUG_RATE("rate scale calculate new rate for skb\n"); - fc = hdr->frame_control; - if (!ieee80211_is_data(fc) || is_multicast_ether_addr(hdr->addr1)) { - /* Send management frames and broadcast/multicast data using - * lowest rate. */ - /* TODO: this could probably be improved.. */ + /* Send management frames and broadcast/multicast data using + * lowest rate. */ + /* TODO: this could probably be improved.. */ + if (!ieee80211_is_data(hdr->frame_control) || + is_multicast_ether_addr(hdr->addr1)) return; - } if (!sta || !lq_sta) return; @@ -2095,29 +2090,26 @@ static void rs_get_rate(void *priv_r, struct ieee80211_sta *sta, void *priv_sta, struct ieee80211_tx_rate_control *txrc) { - int i; struct sk_buff *skb = txrc->skb; struct ieee80211_supported_band *sband = txrc->sband; struct iwl_priv *priv = (struct iwl_priv *)priv_r; struct ieee80211_conf *conf = &priv->hw->conf; struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); - __le16 fc; - struct iwl_lq_sta *lq_sta; + struct iwl_lq_sta *lq_sta = priv_sta; + int rate_idx; IWL_DEBUG_RATE_LIMIT("rate scale calculate new rate for skb\n"); /* Send management frames and broadcast/multicast data using lowest * rate. */ - fc = hdr->frame_control; - if (!ieee80211_is_data(fc) || is_multicast_ether_addr(hdr->addr1) || - !sta || !priv_sta) { + if (!ieee80211_is_data(hdr->frame_control) || + is_multicast_ether_addr(hdr->addr1) || !sta || !lq_sta) { info->control.rates[0].idx = rate_lowest_index(sband, sta); return; } - lq_sta = (struct iwl_lq_sta *)priv_sta; - i = lq_sta->last_txrate_idx; + rate_idx = lq_sta->last_txrate_idx; if ((priv->iw_mode == NL80211_IFTYPE_ADHOC) && !lq_sta->ibss_sta_added) { @@ -2137,14 +2129,12 @@ static void rs_get_rate(void *priv_r, struct ieee80211_sta *sta, void *priv_sta, } } - if ((i < 0) || (i > IWL_RATE_COUNT)) { - info->control.rates[0].idx = rate_lowest_index(sband, sta); - return; - } + if (rate_idx < 0 || rate_idx > IWL_RATE_COUNT) + rate_idx = rate_lowest_index(sband, sta); + else if (sband->band == IEEE80211_BAND_5GHZ) + rate_idx -= IWL_FIRST_OFDM_RATE; - if (sband->band == IEEE80211_BAND_5GHZ) - i -= IWL_FIRST_OFDM_RATE; - info->control.rates[0].idx = i; + info->control.rates[0].idx = rate_idx; } static void *rs_alloc_sta(void *priv_rate, struct ieee80211_sta *sta, |