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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>
This commit is contained in:
Wey-Yi Guy 2011-05-03 18:05:13 -07:00
parent 4babc358c0
commit 6489854b9c
4 changed files with 57 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

58
drivers/net/wireless/iwlwifi/iwl-agn-rs.c
View File

@ -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 @@ static void rs_tx_status(void *priv_r, struct ieee80211_supported_band *sband,
/* 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;
priv->dbg_fixed_rate = 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);
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," : "",

2
drivers/net/wireless/iwlwifi/iwl-dev.h
View File

@ -1521,6 +1521,8 @@ struct iwl_priv {
#ifdef CONFIG_IWLWIFI_DEVICE_SVTOOL
struct iwl_testmode_trace testmode_trace;
#endif
u32 dbg_fixed_rate;
}; /*iwl_priv */
static inline void iwl_txq_ctx_activate(struct iwl_priv *priv, int txq_id)

11
drivers/net/wireless/iwlwifi/iwl-sv-open.c
View File

@ -103,6 +103,7 @@ struct nla_policy iwl_testmode_gnl_msg_policy[IWL_TM_ATTR_MAX] = {
[IWL_TM_ATTR_TRACE_ADDR] = { .type = NLA_UNSPEC, },
[IWL_TM_ATTR_TRACE_DATA] = { .type = NLA_UNSPEC, },
[IWL_TM_ATTR_FIXRATE] = { .type = NLA_U32, },
};
/*
@ -443,6 +444,15 @@ static int iwl_testmode_driver(struct ieee80211_hw *hw, struct nlattr **tb)
return -EFAULT;
break;
case IWL_TM_CMD_APP2DEV_FIXRATE_REQ:
if (!tb[IWL_TM_ATTR_FIXRATE]) {
IWL_DEBUG_INFO(priv,
"Error finding fixrate setting\n");
return -ENOMSG;
}
priv->dbg_fixed_rate = nla_get_u32(tb[IWL_TM_ATTR_FIXRATE]);
break;
default:
IWL_DEBUG_INFO(priv, "Unknown testmode driver command ID\n");
return -ENOSYS;
@ -607,6 +617,7 @@ int iwl_testmode_cmd(struct ieee80211_hw *hw, void *data, int len)
case IWL_TM_CMD_APP2DEV_CFG_INIT_CALIB:
case IWL_TM_CMD_APP2DEV_LOAD_RUNTIME_FW:
case IWL_TM_CMD_APP2DEV_GET_EEPROM:
case IWL_TM_CMD_APP2DEV_FIXRATE_REQ:
IWL_DEBUG_INFO(priv, "testmode cmd to driver\n");
result = iwl_testmode_driver(hw, tb);
break;

7
drivers/net/wireless/iwlwifi/iwl-testmode.h
View File

@ -89,6 +89,7 @@ enum iwl_tm_cmd_t {
IWL_TM_CMD_APP2DEV_CFG_INIT_CALIB,
IWL_TM_CMD_APP2DEV_LOAD_RUNTIME_FW,
IWL_TM_CMD_APP2DEV_GET_EEPROM,
IWL_TM_CMD_APP2DEV_FIXRATE_REQ,
/* if there is other new command for the driver layer operation,
* append them here */
@ -167,6 +168,12 @@ enum iwl_tm_attr_t {
IWL_TM_ATTR_TRACE_ADDR,
IWL_TM_ATTR_TRACE_DATA,
/* When IWL_TM_ATTR_COMMAND is IWL_TM_CMD_APP2DEV_FIXRATE_REQ,
* The mandatory fields are:
* IWL_TM_ATTR_FIXRATE for the fixed rate
*/
IWL_TM_ATTR_FIXRATE,
IWL_TM_ATTR_MAX,
};