diff options
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-4965-rs.c | 101 |
1 files changed, 49 insertions, 52 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965-rs.c b/drivers/net/wireless/iwlwifi/iwl-4965-rs.c index 7c55aa9a2ba9..4063534b64c8 100644 --- a/drivers/net/wireless/iwlwifi/iwl-4965-rs.c +++ b/drivers/net/wireless/iwlwifi/iwl-4965-rs.c @@ -604,25 +604,23 @@ static inline u8 rs_use_green(struct iwl_priv *priv, * basic available rates. * */ -static void rs_get_supported_rates(struct iwl4965_lq_sta *lq_sta, +static u16 rs_get_supported_rates(struct iwl4965_lq_sta *lq_sta, struct ieee80211_hdr *hdr, - enum iwl_table_type rate_type, - u16 *data_rate) + enum iwl_table_type rate_type) { - if (is_legacy(rate_type)) - *data_rate = lq_sta->active_legacy_rate; - else { + if (hdr && is_multicast_ether_addr(hdr->addr1) && + lq_sta->active_rate_basic) + return lq_sta->active_rate_basic; + + if (is_legacy(rate_type)) { + return lq_sta->active_legacy_rate; + } else { if (is_siso(rate_type)) - *data_rate = lq_sta->active_siso_rate; + return lq_sta->active_siso_rate; else if (is_mimo2(rate_type)) - *data_rate = lq_sta->active_mimo2_rate; + return lq_sta->active_mimo2_rate; else - *data_rate = lq_sta->active_mimo3_rate; - } - - if (hdr && is_multicast_ether_addr(hdr->addr1) && - lq_sta->active_rate_basic) { - *data_rate = lq_sta->active_rate_basic; + return lq_sta->active_mimo3_rate; } } @@ -709,7 +707,7 @@ static u32 rs_get_lower_rate(struct iwl4965_lq_sta *lq_sta, tbl->is_SGI = 0; } - rs_get_supported_rates(lq_sta, NULL, tbl->lq_type, &rate_mask); + rate_mask = rs_get_supported_rates(lq_sta, NULL, tbl->lq_type); /* Mask with station rate restriction */ if (is_legacy(tbl->lq_type)) { @@ -975,7 +973,7 @@ static u8 rs_is_other_ant_connected(u8 valid_antenna, u8 ant_type) static void rs_set_stay_in_table(u8 is_legacy, struct iwl4965_lq_sta *lq_sta) { - IWL_DEBUG_HT("we are staying in the same table\n"); + IWL_DEBUG_RATE("we are staying in the same table\n"); lq_sta->stay_in_tbl = 1; /* only place this gets set */ if (is_legacy) { lq_sta->table_count_limit = IWL_LEGACY_TABLE_COUNT; @@ -994,7 +992,7 @@ static void rs_set_stay_in_table(u8 is_legacy, /* * Find correct throughput table for given mode of modulation */ -static void rs_get_expected_tpt_table(struct iwl4965_lq_sta *lq_sta, +static void rs_set_expected_tpt_table(struct iwl4965_lq_sta *lq_sta, struct iwl4965_scale_tbl_info *tbl) { if (is_legacy(tbl->lq_type)) { @@ -1161,7 +1159,7 @@ static int rs_switch_to_mimo2(struct iwl_priv *priv, if (!rs_is_both_ant_supp(priv->hw_params.valid_tx_ant)) return -1; - IWL_DEBUG_HT("LQ: try to switch to MIMO2\n"); + IWL_DEBUG_RATE("LQ: try to switch to MIMO2\n"); tbl->lq_type = LQ_MIMO2; tbl->is_dup = lq_sta->is_dup; @@ -1186,20 +1184,20 @@ static int rs_switch_to_mimo2(struct iwl_priv *priv, tbl->is_SGI = 0; */ - rs_get_expected_tpt_table(lq_sta, tbl); + rs_set_expected_tpt_table(lq_sta, tbl); rate = rs_get_best_rate(priv, lq_sta, tbl, rate_mask, index, index); - IWL_DEBUG_HT("LQ: MIMO2 best rate %d mask %X\n", rate, rate_mask); + IWL_DEBUG_RATE("LQ: MIMO2 best rate %d mask %X\n", rate, rate_mask); if ((rate == IWL_RATE_INVALID) || !((1 << rate) & rate_mask)) { - IWL_DEBUG_HT("Can't switch with index %d rate mask %x\n", + IWL_DEBUG_RATE("Can't switch with index %d rate mask %x\n", rate, rate_mask); return -1; } tbl->current_rate = rate_n_flags_from_tbl(tbl, rate, is_green); - IWL_DEBUG_HT("LQ: Switch to new mcs %X index is green %X\n", + IWL_DEBUG_RATE("LQ: Switch to new mcs %X index is green %X\n", tbl->current_rate, is_green); return 0; } @@ -1232,7 +1230,7 @@ static int rs_switch_to_siso(struct iwl_priv *priv, !sta->ht_info.ht_supported) return -1; - IWL_DEBUG_HT("LQ: try to switch to SISO\n"); + IWL_DEBUG_RATE("LQ: try to switch to SISO\n"); tbl->is_dup = lq_sta->is_dup; tbl->lq_type = LQ_SISO; @@ -1260,17 +1258,17 @@ static int rs_switch_to_siso(struct iwl_priv *priv, if (is_green) tbl->is_SGI = 0; /*11n spec: no SGI in SISO+Greenfield*/ - rs_get_expected_tpt_table(lq_sta, tbl); + rs_set_expected_tpt_table(lq_sta, tbl); rate = rs_get_best_rate(priv, lq_sta, tbl, rate_mask, index, index); - IWL_DEBUG_HT("LQ: get best rate %d mask %X\n", rate, rate_mask); + IWL_DEBUG_RATE("LQ: get best rate %d mask %X\n", rate, rate_mask); if ((rate == IWL_RATE_INVALID) || !((1 << rate) & rate_mask)) { - IWL_DEBUG_HT("can not switch with index %d rate mask %x\n", + IWL_DEBUG_RATE("can not switch with index %d rate mask %x\n", rate, rate_mask); return -1; } tbl->current_rate = rate_n_flags_from_tbl(tbl, rate, is_green); - IWL_DEBUG_HT("LQ: Switch to new mcs %X index is green %X\n", + IWL_DEBUG_RATE("LQ: Switch to new mcs %X index is green %X\n", tbl->current_rate, is_green); return 0; #else @@ -1302,7 +1300,7 @@ static int rs_move_legacy_other(struct iwl_priv *priv, for (; ;) { switch (tbl->action) { case IWL_LEGACY_SWITCH_ANTENNA: - IWL_DEBUG_HT("LQ Legacy toggle Antenna\n"); + IWL_DEBUG_RATE("LQ Legacy toggle Antenna\n"); search_tbl->lq_type = LQ_NONE; lq_sta->action_counter++; @@ -1322,12 +1320,12 @@ static int rs_move_legacy_other(struct iwl_priv *priv, rs_toggle_antenna(&search_tbl->current_rate, search_tbl); - rs_get_expected_tpt_table(lq_sta, search_tbl); + rs_set_expected_tpt_table(lq_sta, search_tbl); lq_sta->search_better_tbl = 1; goto out; case IWL_LEGACY_SWITCH_SISO: - IWL_DEBUG_HT("LQ: Legacy switch to SISO\n"); + IWL_DEBUG_RATE("LQ: Legacy switch to SISO\n"); /* Set up search table to try SISO */ memcpy(search_tbl, tbl, sz); @@ -1342,7 +1340,7 @@ static int rs_move_legacy_other(struct iwl_priv *priv, break; case IWL_LEGACY_SWITCH_MIMO2: - IWL_DEBUG_HT("LQ: Legacy switch to MIMO2\n"); + IWL_DEBUG_RATE("LQ: Legacy switch to MIMO2\n"); /* Set up search table to try MIMO */ memcpy(search_tbl, tbl, sz); @@ -1401,7 +1399,7 @@ static int rs_move_siso_to_other(struct iwl_priv *priv, lq_sta->action_counter++; switch (tbl->action) { case IWL_SISO_SWITCH_ANTENNA: - IWL_DEBUG_HT("LQ: SISO toggle Antenna\n"); + IWL_DEBUG_RATE("LQ: SISO toggle Antenna\n"); /*FIXME:RS: is this really needed for SISO?*/ if (window->success_ratio >= IWL_RS_GOOD_RATIO) break; @@ -1417,7 +1415,7 @@ static int rs_move_siso_to_other(struct iwl_priv *priv, goto out; case IWL_SISO_SWITCH_MIMO2: - IWL_DEBUG_HT("LQ: SISO switch to MIMO\n"); + IWL_DEBUG_RATE("LQ: SISO switch to MIMO\n"); memcpy(search_tbl, tbl, sz); search_tbl->is_SGI = 0; search_tbl->ant_type = ANT_AB; /*FIXME:RS*/ @@ -1429,7 +1427,7 @@ static int rs_move_siso_to_other(struct iwl_priv *priv, } break; case IWL_SISO_SWITCH_GI: - IWL_DEBUG_HT("LQ: SISO toggle SGI/NGI\n"); + IWL_DEBUG_RATE("LQ: SISO toggle SGI/NGI\n"); memcpy(search_tbl, tbl, sz); if (is_green) { @@ -1439,7 +1437,7 @@ static int rs_move_siso_to_other(struct iwl_priv *priv, IWL_ERROR("SGI was set in GF+SISO\n"); } search_tbl->is_SGI = !tbl->is_SGI; - rs_get_expected_tpt_table(lq_sta, search_tbl); + rs_set_expected_tpt_table(lq_sta, search_tbl); if (tbl->is_SGI) { s32 tpt = lq_sta->last_tpt / 100; if (tpt >= search_tbl->expected_tpt[index]) @@ -1490,7 +1488,7 @@ static int rs_move_mimo_to_other(struct iwl_priv *priv, switch (tbl->action) { case IWL_MIMO_SWITCH_ANTENNA_A: case IWL_MIMO_SWITCH_ANTENNA_B: - IWL_DEBUG_HT("LQ: MIMO2 switch to SISO\n"); + IWL_DEBUG_RATE("LQ: MIMO2 switch to SISO\n"); /* Set up new search table for SISO */ memcpy(search_tbl, tbl, sz); @@ -1510,12 +1508,12 @@ static int rs_move_mimo_to_other(struct iwl_priv *priv, break; case IWL_MIMO_SWITCH_GI: - IWL_DEBUG_HT("LQ: MIMO toggle SGI/NGI\n"); + IWL_DEBUG_RATE("LQ: MIMO toggle SGI/NGI\n"); /* Set up new search table for MIMO */ memcpy(search_tbl, tbl, sz); search_tbl->is_SGI = !tbl->is_SGI; - rs_get_expected_tpt_table(lq_sta, search_tbl); + rs_set_expected_tpt_table(lq_sta, search_tbl); /* * If active table already uses the fastest possible * modulation (dual stream with short guard interval), @@ -1593,7 +1591,7 @@ static void rs_stay_in_table(struct iwl4965_lq_sta *lq_sta) (lq_sta->total_success > lq_sta->max_success_limit) || ((!lq_sta->search_better_tbl) && (lq_sta->flush_timer) && (flush_interval_passed))) { - IWL_DEBUG_HT("LQ: stay is expired %d %d %d\n:", + IWL_DEBUG_RATE("LQ: stay is expired %d %d %d\n:", lq_sta->total_failed, lq_sta->total_success, flush_interval_passed); @@ -1616,7 +1614,7 @@ static void rs_stay_in_table(struct iwl4965_lq_sta *lq_sta) lq_sta->table_count_limit) { lq_sta->table_count = 0; - IWL_DEBUG_HT("LQ: stay in table clear win\n"); + IWL_DEBUG_RATE("LQ: stay in table clear win\n"); for (i = 0; i < IWL_RATE_COUNT; i++) rs_rate_scale_clear_window( &(tbl->win[i])); @@ -1715,8 +1713,7 @@ static void rs_rate_scale_perform(struct iwl_priv *priv, tbl->lq_type); /* rates available for this association, and for modulation mode */ - rs_get_supported_rates(lq_sta, hdr, tbl->lq_type, - &rate_mask); + rate_mask = rs_get_supported_rates(lq_sta, hdr, tbl->lq_type); IWL_DEBUG_RATE("mask 0x%04X \n", rate_mask); @@ -1756,7 +1753,7 @@ static void rs_rate_scale_perform(struct iwl_priv *priv, /* Get expected throughput table and history window for current rate */ if (!tbl->expected_tpt) - rs_get_expected_tpt_table(lq_sta, tbl); + rs_set_expected_tpt_table(lq_sta, tbl); window = &(tbl->win[index]); @@ -1806,7 +1803,7 @@ static void rs_rate_scale_perform(struct iwl_priv *priv, if ((window->success_ratio > success_limit) || (window->average_tpt > lq_sta->last_tpt)) { if (!is_legacy(tbl->lq_type)) { - IWL_DEBUG_HT("LQ: we are switching to HT" + IWL_DEBUG_RATE("LQ: we are switching to HT" " rate suc %d current tpt %d" " old tpt %d\n", window->success_ratio, @@ -1834,7 +1831,7 @@ static void rs_rate_scale_perform(struct iwl_priv *priv, /* Need to set up a new rate table in uCode */ update_lq = 1; - IWL_DEBUG_HT("XXY GO BACK TO OLD TABLE\n"); + IWL_DEBUG_RATE("XXY GO BACK TO OLD TABLE\n"); } /* Either way, we've made a decision; modulation mode @@ -1942,7 +1939,7 @@ static void rs_rate_scale_perform(struct iwl_priv *priv, break; } - IWL_DEBUG_HT("choose rate scale index %d action %d low %d " + IWL_DEBUG_RATE("choose rate scale index %d action %d low %d " "high %d type %d\n", index, scale_action, low, high, tbl->lq_type); @@ -1987,7 +1984,7 @@ static void rs_rate_scale_perform(struct iwl_priv *priv, index = iwl4965_hwrate_to_plcp_idx( tbl->current_rate); - IWL_DEBUG_HT("Switch current mcs: %X index: %d\n", + IWL_DEBUG_RATE("Switch current mcs: %X index: %d\n", tbl->current_rate, index); rs_fill_link_cmd(priv, lq_sta, tbl->current_rate, &lq_sta->lq); @@ -2006,7 +2003,7 @@ static void rs_rate_scale_perform(struct iwl_priv *priv, #endif (lq_sta->action_counter >= 1)) { lq_sta->action_counter = 0; - IWL_DEBUG_HT("LQ: STAY in legacy table\n"); + IWL_DEBUG_RATE("LQ: STAY in legacy table\n"); rs_set_stay_in_table(1, lq_sta); } @@ -2019,7 +2016,7 @@ static void rs_rate_scale_perform(struct iwl_priv *priv, if ((lq_sta->last_tpt > IWL_AGG_TPT_THREHOLD) && (lq_sta->tx_agg_tid_en & (1 << tid)) && (tid != MAX_TID_COUNT)) { - IWL_DEBUG_HT("try to aggregate tid %d\n", tid); + IWL_DEBUG_RATE("try to aggregate tid %d\n", tid); rs_tl_turn_on_agg(priv, tid, lq_sta, sta); } #endif /*CONFIG_IWL4965_HT */ @@ -2103,7 +2100,7 @@ static void rs_initialize_lq(struct iwl_priv *priv, rate = rate_n_flags_from_tbl(tbl, rate_idx, use_green); tbl->current_rate = rate; - rs_get_expected_tpt_table(lq_sta, tbl); + rs_set_expected_tpt_table(lq_sta, tbl); rs_fill_link_cmd(NULL, lq_sta, rate, &lq_sta->lq); iwl_send_lq_cmd(priv, &lq_sta->lq, CMD_ASYNC); out: @@ -2227,7 +2224,7 @@ static void rs_rate_init(void *priv_rate, void *priv_sta, DECLARE_MAC_BUF(mac); /* for IBSS the call are from tasklet */ - IWL_DEBUG_HT("LQ: ADD station %s\n", + IWL_DEBUG_RATE("LQ: ADD station %s\n", print_mac(mac, sta->addr)); if (sta_id == IWL_INVALID_STATION) { @@ -2287,7 +2284,7 @@ static void rs_rate_init(void *priv_rate, void *priv_sta, lq_sta->active_mimo3_rate &= ~((u16)0x2); lq_sta->active_mimo3_rate <<= IWL_FIRST_OFDM_RATE; - IWL_DEBUG_HT("SISO RATE %X MIMO2 RATE %X MIMO3 RATE %X\n", + IWL_DEBUG_RATE("SISO RATE %X MIMO2 RATE %X MIMO3 RATE %X\n", lq_sta->active_siso_rate, lq_sta->active_mimo2_rate, lq_sta->active_mimo3_rate); |