diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-agn-rs.c')
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-agn-rs.c | 108 |
1 files changed, 2 insertions, 106 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c index a07be29cc5e5..27d4ece4d467 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c @@ -75,106 +75,6 @@ static const u8 ant_toggle_lookup[] = { /*ANT_ABC -> */ ANT_ABC, }; -/** - * struct iwl_rate_scale_data -- tx success history for one rate - */ -struct iwl_rate_scale_data { - u64 data; /* bitmap of successful frames */ - s32 success_counter; /* number of frames successful */ - s32 success_ratio; /* per-cent * 128 */ - s32 counter; /* number of frames attempted */ - s32 average_tpt; /* success ratio * expected throughput */ - unsigned long stamp; -}; - -/** - * struct iwl_scale_tbl_info -- tx params and success history for all rates - * - * There are two of these in struct iwl_lq_sta, - * one for "active", and one for "search". - */ -struct iwl_scale_tbl_info { - enum iwl_table_type lq_type; - u8 ant_type; - u8 is_SGI; /* 1 = short guard interval */ - u8 is_ht40; /* 1 = 40 MHz channel width */ - u8 is_dup; /* 1 = duplicated data streams */ - u8 action; /* change modulation; IWL_[LEGACY/SISO/MIMO]_SWITCH_* */ - u8 max_search; /* maximun number of tables we can search */ - s32 *expected_tpt; /* throughput metrics; expected_tpt_G, etc. */ - u32 current_rate; /* rate_n_flags, uCode API format */ - struct iwl_rate_scale_data win[IWL_RATE_COUNT]; /* rate histories */ -}; - -struct iwl_traffic_load { - unsigned long time_stamp; /* age of the oldest statistics */ - u32 packet_count[TID_QUEUE_MAX_SIZE]; /* packet count in this time - * slice */ - u32 total; /* total num of packets during the - * last TID_MAX_TIME_DIFF */ - u8 queue_count; /* number of queues that has - * been used since the last cleanup */ - u8 head; /* start of the circular buffer */ -}; - -/** - * struct iwl_lq_sta -- driver's rate scaling private structure - * - * Pointer to this gets passed back and forth between driver and mac80211. - */ -struct iwl_lq_sta { - u8 active_tbl; /* index of active table, range 0-1 */ - u8 enable_counter; /* indicates HT mode */ - u8 stay_in_tbl; /* 1: disallow, 0: allow search for new mode */ - u8 search_better_tbl; /* 1: currently trying alternate mode */ - s32 last_tpt; - - /* The following determine when to search for a new mode */ - u32 table_count_limit; - u32 max_failure_limit; /* # failed frames before new search */ - u32 max_success_limit; /* # successful frames before new search */ - u32 table_count; - u32 total_failed; /* total failed frames, any/all rates */ - u32 total_success; /* total successful frames, any/all rates */ - u64 flush_timer; /* time staying in mode before new search */ - - u8 action_counter; /* # mode-switch actions tried */ - u8 is_green; - u8 is_dup; - enum ieee80211_band band; - u8 ibss_sta_added; - - /* The following are bitmaps of rates; IWL_RATE_6M_MASK, etc. */ - u32 supp_rates; - u16 active_legacy_rate; - u16 active_siso_rate; - u16 active_mimo2_rate; - u16 active_mimo3_rate; - u16 active_rate_basic; - s8 max_rate_idx; /* Max rate set by user */ - u8 missed_rate_counter; - - struct iwl_link_quality_cmd lq; - struct iwl_scale_tbl_info lq_info[LQ_SIZE]; /* "active", "search" */ - struct iwl_traffic_load load[TID_MAX_LOAD_COUNT]; - u8 tx_agg_tid_en; -#ifdef CONFIG_MAC80211_DEBUGFS - struct dentry *rs_sta_dbgfs_scale_table_file; - struct dentry *rs_sta_dbgfs_stats_table_file; - struct dentry *rs_sta_dbgfs_rate_scale_data_file; - struct dentry *rs_sta_dbgfs_tx_agg_tid_en_file; - u32 dbg_fixed_rate; -#endif - struct iwl_priv *drv; - - /* used to be in sta_info */ - int last_txrate_idx; - /* last tx rate_n_flags */ - u32 last_rate_n_flags; - /* packets destined for this STA are aggregated */ - u8 is_agg; -}; - static void rs_rate_scale_perform(struct iwl_priv *priv, struct sk_buff *skb, struct ieee80211_sta *sta, @@ -2575,19 +2475,17 @@ static void *rs_alloc_sta(void *priv_rate, struct ieee80211_sta *sta, gfp_t gfp) { struct iwl_lq_sta *lq_sta; + struct iwl_station_priv *sta_priv = (struct iwl_station_priv *) sta->drv_priv; struct iwl_priv *priv; int i, j; priv = (struct iwl_priv *)priv_rate; IWL_DEBUG_RATE(priv, "create station rate scale window\n"); - lq_sta = kzalloc(sizeof(struct iwl_lq_sta), gfp); + lq_sta = &sta_priv->lq_sta; - if (lq_sta == NULL) - return NULL; lq_sta->lq.sta_id = 0xff; - for (j = 0; j < LQ_SIZE; j++) for (i = 0; i < IWL_RATE_COUNT; i++) rs_rate_scale_clear_window(&lq_sta->lq_info[j].win[i]); @@ -2819,11 +2717,9 @@ static void rs_free(void *priv_rate) static void rs_free_sta(void *priv_r, struct ieee80211_sta *sta, void *priv_sta) { - struct iwl_lq_sta *lq_sta = priv_sta; struct iwl_priv *priv __maybe_unused = priv_r; IWL_DEBUG_RATE(priv, "enter\n"); - kfree(lq_sta); IWL_DEBUG_RATE(priv, "leave\n"); } |