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authorWey-Yi Guy <wey-yi.w.guy@intel.com>2011-05-04 05:05:13 +0400
committerWey-Yi Guy <wey-yi.w.guy@intel.com>2011-05-13 23:02:20 +0400
commit6489854b9cbc2faa6709532e61c3ea221cf8583b (patch)
treec9f57e5e04531569556c2cc70ec999a288138b5a /drivers/net/wireless/iwlwifi/iwl-agn-rs.c
parent4babc358c0a1bced6bed2c9d6c77fc8803b8a22f (diff)
downloadlinux-6489854b9cbc2faa6709532e61c3ea221cf8583b.tar.xz
iwlagn: add testmode set fixed rate command
Add support in testmode for setting fixed rate Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-agn-rs.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn-rs.c58
1 files changed, 37 insertions, 21 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
index dbe6295bbf23..432f839700dd 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
@@ -335,6 +335,32 @@ static u8 rs_tl_add_packet(struct iwl_lq_sta *lq_data,
return tid;
}
+#if defined(CONFIG_MAC80211_DEBUGFS) || defined(CONFIG_IWLWIFI_DEVICE_SVTOOL)
+static void rs_program_fix_rate(struct iwl_priv *priv,
+ struct iwl_lq_sta *lq_sta)
+{
+ struct iwl_station_priv *sta_priv =
+ container_of(lq_sta, struct iwl_station_priv, lq_sta);
+ struct iwl_rxon_context *ctx = sta_priv->common.ctx;
+
+ lq_sta->active_legacy_rate = 0x0FFF; /* 1 - 54 MBits, includes CCK */
+ lq_sta->active_siso_rate = 0x1FD0; /* 6 - 60 MBits, no 9, no CCK */
+ 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;
+
+ IWL_DEBUG_RATE(priv, "sta_id %d rate 0x%X\n",
+ lq_sta->lq.sta_id, priv->dbg_fixed_rate);
+
+ if (priv->dbg_fixed_rate) {
+ rs_fill_link_cmd(NULL, lq_sta, priv->dbg_fixed_rate);
+ iwl_send_lq_cmd(lq_sta->drv, ctx, &lq_sta->lq, CMD_ASYNC,
+ false);
+ }
+}
+#endif
+
/*
get the traffic load value for tid
*/
@@ -1046,7 +1072,10 @@ done:
/* See if there's a better rate or modulation mode to try. */
if (sta && sta->supp_rates[sband->band])
rs_rate_scale_perform(priv, skb, sta, lq_sta);
-
+#ifdef CONFIG_IWLWIFI_DEVICE_SVTOOL
+ if (priv->dbg_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)
rs_bt_update_lq(priv, ctx, lq_sta);
}
@@ -2871,6 +2900,7 @@ 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;
#ifdef CONFIG_MAC80211_DEBUGFS
lq_sta->dbg_fixed_rate = 0;
#endif
@@ -3045,7 +3075,6 @@ static void rs_free_sta(void *priv_r, struct ieee80211_sta *sta,
IWL_DEBUG_RATE(priv, "leave\n");
}
-
#ifdef CONFIG_MAC80211_DEBUGFS
static int open_file_generic(struct inode *inode, struct file *file)
{
@@ -3070,6 +3099,7 @@ 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);
@@ -3088,9 +3118,7 @@ static ssize_t rs_sta_dbgfs_scale_table_write(struct file *file,
char buf[64];
int buf_size;
u32 parsed_rate;
- struct iwl_station_priv *sta_priv =
- container_of(lq_sta, struct iwl_station_priv, lq_sta);
- struct iwl_rxon_context *ctx = sta_priv->common.ctx;
+
priv = lq_sta->drv;
memset(buf, 0, sizeof(buf));
@@ -3099,23 +3127,11 @@ static ssize_t rs_sta_dbgfs_scale_table_write(struct file *file,
return -EFAULT;
if (sscanf(buf, "%x", &parsed_rate) == 1)
- lq_sta->dbg_fixed_rate = parsed_rate;
+ priv->dbg_fixed_rate = lq_sta->dbg_fixed_rate = parsed_rate;
else
- lq_sta->dbg_fixed_rate = 0;
-
- lq_sta->active_legacy_rate = 0x0FFF; /* 1 - 54 MBits, includes CCK */
- lq_sta->active_siso_rate = 0x1FD0; /* 6 - 60 MBits, no 9, no CCK */
- 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 */
-
- IWL_DEBUG_RATE(priv, "sta_id %d rate 0x%X\n",
- lq_sta->lq.sta_id, lq_sta->dbg_fixed_rate);
+ priv->dbg_fixed_rate = lq_sta->dbg_fixed_rate = 0;
- 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);
- }
+ rs_program_fix_rate(priv, lq_sta);
return count;
}
@@ -3143,7 +3159,7 @@ 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",
- lq_sta->dbg_fixed_rate);
+ priv->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," : "",