From 1152dcc28c66a74b5b3f1a3ede0aa6729bfd48e4 Mon Sep 17 00:00:00 2001
From: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Date: Fri, 15 Jan 2010 13:42:58 -0800
Subject: [PATCH] iwlwifi: Fix throughput stall issue in HT mode for 5000
Similar to 6000 and 1000 series, RTS/CTS is the recommended protection
mechanism for 5000 series in HT mode based on the HW design.
Using RTS/CTS will better protect the inner exchange from interference,
especially in highly-congested environment, it also prevent uCode encounter
TX FIFO underrun and other HT mode related performance issues.
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
CC: stable@kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
drivers/net/wireless/iwlwifi/iwl-5000.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index 33a5866538e7..de45f308b744 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -1598,6 +1598,7 @@ struct iwl_cfg iwl5300_agn_cfg = {
.use_bsm = false,
.ht_greenfield_support = true,
.led_compensation = 51,
+ .use_rts_for_ht = true, /* use rts/cts protection */
.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
.sm_ps_mode = WLAN_HT_CAP_SM_PS_DISABLED,
};
@@ -1622,6 +1623,7 @@ struct iwl_cfg iwl5100_bgn_cfg = {
.use_bsm = false,
.ht_greenfield_support = true,
.led_compensation = 51,
+ .use_rts_for_ht = true, /* use rts/cts protection */
.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
};
@@ -1667,6 +1669,7 @@ struct iwl_cfg iwl5100_agn_cfg = {
.use_bsm = false,
.ht_greenfield_support = true,
.led_compensation = 51,
+ .use_rts_for_ht = true, /* use rts/cts protection */
.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
.sm_ps_mode = WLAN_HT_CAP_SM_PS_DISABLED,
};
@@ -1691,6 +1694,7 @@ struct iwl_cfg iwl5350_agn_cfg = {
.use_bsm = false,
.ht_greenfield_support = true,
.led_compensation = 51,
+ .use_rts_for_ht = true, /* use rts/cts protection */
.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
.sm_ps_mode = WLAN_HT_CAP_SM_PS_DISABLED,
};
@@ -1715,6 +1719,7 @@ struct iwl_cfg iwl5150_agn_cfg = {
.use_bsm = false,
.ht_greenfield_support = true,
.led_compensation = 51,
+ .use_rts_for_ht = true, /* use rts/cts protection */
.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
.sm_ps_mode = WLAN_HT_CAP_SM_PS_DISABLED,
};
--
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