diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-agn-rs.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-agn-rs.c | 28 |
1 files changed, 18 insertions, 10 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c index 85e082830c1..ebcd13bc10d 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c @@ -336,6 +336,12 @@ static u8 rs_tl_add_packet(struct iwl_lq_sta *lq_data, } #ifdef CONFIG_MAC80211_DEBUGFS +/** + * Program the device to use fixed rate for frame transmit + * This is for debugging/testing only + * once the device start use fixed rate, we need to reload the module + * to being back the normal operation. + */ static void rs_program_fix_rate(struct iwl_priv *priv, struct iwl_lq_sta *lq_sta) { @@ -348,13 +354,15 @@ static void rs_program_fix_rate(struct iwl_priv *priv, lq_sta->active_mimo2_rate = 0x1FD0; /* 6 - 60 MBits, no 9, no CCK */ lq_sta->active_mimo3_rate = 0x1FD0; /* 6 - 60 MBits, no 9, no CCK */ - lq_sta->dbg_fixed_rate = priv->dbg_fixed_rate; + /* testmode has higher priority to overwirte the fixed rate */ + if (priv->tm_fixed_rate) + lq_sta->dbg_fixed_rate = priv->tm_fixed_rate; IWL_DEBUG_RATE(priv, "sta_id %d rate 0x%X\n", - lq_sta->lq.sta_id, priv->dbg_fixed_rate); + lq_sta->lq.sta_id, lq_sta->dbg_fixed_rate); - if (priv->dbg_fixed_rate) { - rs_fill_link_cmd(NULL, lq_sta, priv->dbg_fixed_rate); + if (lq_sta->dbg_fixed_rate) { + rs_fill_link_cmd(NULL, lq_sta, lq_sta->dbg_fixed_rate); iwl_send_lq_cmd(lq_sta->drv, ctx, &lq_sta->lq, CMD_ASYNC, false); } @@ -1073,7 +1081,8 @@ done: if (sta && sta->supp_rates[sband->band]) rs_rate_scale_perform(priv, skb, sta, lq_sta); #ifdef CONFIG_MAC80211_DEBUGFS - if (priv->dbg_fixed_rate != lq_sta->dbg_fixed_rate) + if ((priv->tm_fixed_rate) && + (priv->tm_fixed_rate != lq_sta->dbg_fixed_rate)) rs_program_fix_rate(priv, lq_sta); #endif if (priv->cfg->bt_params && priv->cfg->bt_params->advanced_bt_coexist) @@ -2896,7 +2905,7 @@ void iwl_rs_rate_init(struct iwl_priv *priv, struct ieee80211_sta *sta, u8 sta_i lq_sta->last_txrate_idx += IWL_FIRST_OFDM_RATE; lq_sta->is_agg = 0; - priv->dbg_fixed_rate = 0; + priv->tm_fixed_rate = 0; #ifdef CONFIG_MAC80211_DEBUGFS lq_sta->dbg_fixed_rate = 0; #endif @@ -3095,7 +3104,6 @@ static void rs_dbgfs_set_mcs(struct iwl_lq_sta *lq_sta, IWL_DEBUG_RATE(priv, "Fixed rate ON\n"); } else { lq_sta->dbg_fixed_rate = 0; - priv->dbg_fixed_rate = 0; IWL_ERR(priv, "Invalid antenna selection 0x%X, Valid is 0x%X\n", ant_sel_tx, valid_tx_ant); @@ -3123,9 +3131,9 @@ static ssize_t rs_sta_dbgfs_scale_table_write(struct file *file, return -EFAULT; if (sscanf(buf, "%x", &parsed_rate) == 1) - priv->dbg_fixed_rate = lq_sta->dbg_fixed_rate = parsed_rate; + lq_sta->dbg_fixed_rate = parsed_rate; else - priv->dbg_fixed_rate = lq_sta->dbg_fixed_rate = 0; + lq_sta->dbg_fixed_rate = 0; rs_program_fix_rate(priv, lq_sta); @@ -3155,7 +3163,7 @@ static ssize_t rs_sta_dbgfs_scale_table_read(struct file *file, lq_sta->total_failed, lq_sta->total_success, lq_sta->active_legacy_rate); desc += sprintf(buff+desc, "fixed rate 0x%X\n", - priv->dbg_fixed_rate); + lq_sta->dbg_fixed_rate); desc += sprintf(buff+desc, "valid_tx_ant %s%s%s\n", (priv->hw_params.valid_tx_ant & ANT_A) ? "ANT_A," : "", (priv->hw_params.valid_tx_ant & ANT_B) ? "ANT_B," : "", |