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authorWey-Yi Guy <wey-yi.w.guy@intel.com>2011-10-10 07:27:06 -0700
committerJohn W. Linville <linville@tuxdriver.com>2011-10-14 14:48:11 -0400
commitf3129b73889086f326d810c1cf4e807849321d64 (patch)
treebe58840fe148adba9e7859bac966f52f62d4c052
parent281e27c8092da95c83f6bc3df8fc11235f4b364c (diff)
iwlagn: use low retry limit for WoWLAN
When in D3 state, use low retry limit for both data and rts Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn-hw.h1
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn-tx.c28
2 files changed, 18 insertions, 11 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-hw.h b/drivers/net/wireless/iwlwifi/iwl-agn-hw.h
index 64e3417d19ea..ac039d40c062 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-hw.h
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-hw.h
@@ -85,6 +85,7 @@
#define IWLAGN_MGMT_DFAULT_RETRY_LIMIT 3
#define IWLAGN_RTS_DFAULT_RETRY_LIMIT 60
#define IWLAGN_BAR_DFAULT_RETRY_LIMIT 60
+#define IWLAGN_LOW_RETRY_LIMIT 7
/* Limit range of txpower output target to be between these values */
#define IWLAGN_TX_POWER_TARGET_POWER_MIN (0) /* 0 dBm: 1 milliwatt */
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
index 2584f6f70a16..f849097cf7e6 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
@@ -124,17 +124,23 @@ 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 = 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;
+ if (priv->shrd->wowlan) {
+ rts_retry_limit = IWLAGN_LOW_RETRY_LIMIT;
+ data_retry_limit = IWLAGN_LOW_RETRY_LIMIT;
+ } else {
+ /* 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 = 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;
tx_cmd->rts_retry_limit = rts_retry_limit;