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iwlagn: set rts retry limit

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setup the rts rety limit for tx command

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Wey-Yi Guy 2011-10-10 07:26:59 -07:00 committed by John W. Linville
parent c3322b30fe
commit 78558cb441
2 changed files with 13 additions and 10 deletions
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5
drivers/net/wireless/iwlwifi/iwl-agn-hw.h
View File

@ -81,7 +81,10 @@
/* RSSI to dBm */
#define IWLAGN_RSSI_OFFSET 44
#define IWLAGN_DEFAULT_TX_RETRY 15
#define IWLAGN_DEFAULT_TX_RETRY 15
#define IWLAGN_MGMT_DFAULT_RETRY_LIMIT 3
#define IWLAGN_RTS_DFAULT_RETRY_LIMIT 60
#define IWLAGN_BAR_DFAULT_RETRY_LIMIT 60
/* Limit range of txpower output target to be between these values */
#define IWLAGN_TX_POWER_TARGET_POWER_MIN (0) /* 0 dBm: 1 milliwatt */

18
drivers/net/wireless/iwlwifi/iwl-agn-tx.c
View File

@ -113,8 +113,6 @@ static void iwlagn_tx_cmd_build_basic(struct iwl_priv *priv,
tx_cmd->next_frame_len = 0;
}
#define RTS_DFAULT_RETRY_LIMIT 60
static void iwlagn_tx_cmd_build_rate(struct iwl_priv *priv,
struct iwl_tx_cmd *tx_cmd,
struct ieee80211_tx_info *info,
@ -126,17 +124,19 @@ static void iwlagn_tx_cmd_build_rate(struct iwl_priv *priv,
u8 data_retry_limit;
u8 rate_plcp;
/* Set retry limit on RTS packets */
rts_retry_limit = IWLAGN_RTS_DFAULT_RETRY_LIMIT;
/* Set retry limit on DATA packets and Probe Responses*/
if (ieee80211_is_probe_resp(fc))
data_retry_limit = 3;
if (ieee80211_is_probe_resp(fc)) {
data_retry_limit = IWLAGN_MGMT_DFAULT_RETRY_LIMIT;
rts_retry_limit = min(data_retry_limit, rts_retry_limit);
} else if (ieee80211_is_back_req(fc))
data_retry_limit = IWLAGN_BAR_DFAULT_RETRY_LIMIT;
else
data_retry_limit = IWLAGN_DEFAULT_TX_RETRY;
tx_cmd->data_retry_limit = data_retry_limit;
/* Set retry limit on RTS packets */
rts_retry_limit = RTS_DFAULT_RETRY_LIMIT;
if (data_retry_limit < rts_retry_limit)
rts_retry_limit = data_retry_limit;
tx_cmd->data_retry_limit = data_retry_limit;
tx_cmd->rts_retry_limit = rts_retry_limit;
/* DATA packets will use the uCode station table for rate/antenna