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authorWey-Yi Guy <wey-yi.w.guy@intel.com>2010-01-26 12:00:43 -0800
committerGreg Kroah-Hartman <gregkh@suse.de>2010-01-28 15:02:56 -0800
commit01e991b8eb2cc28f41ed3f96ec33ae3dd6b860a3 (patch)
treeed0342c7a04640cd1a85ff03db40fc8d7d235655 /drivers/net/wireless
parentd274df694b319a87405e35553bd2c45ab75f4554 (diff)
iwlwifi: Fix throughput stall issue in HT mode for 5000
commit 1152dcc28c66a74b5b3f1a3ede0aa6729bfd48e4 upstream 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> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/net/wireless')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-5000.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index 94a1225f9872..133df70bc609 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -1666,6 +1666,7 @@ struct iwl_cfg iwl5300_agn_cfg = {
.valid_rx_ant = ANT_ABC,
.need_pll_cfg = true,
.ht_greenfield_support = true,
+ .use_rts_for_ht = true, /* use rts/cts protection */
};
struct iwl_cfg iwl5100_bg_cfg = {
@@ -1717,6 +1718,7 @@ struct iwl_cfg iwl5100_agn_cfg = {
.valid_rx_ant = ANT_AB,
.need_pll_cfg = true,
.ht_greenfield_support = true,
+ .use_rts_for_ht = true, /* use rts/cts protection */
};
struct iwl_cfg iwl5350_agn_cfg = {
@@ -1734,6 +1736,7 @@ struct iwl_cfg iwl5350_agn_cfg = {
.valid_rx_ant = ANT_ABC,
.need_pll_cfg = true,
.ht_greenfield_support = true,
+ .use_rts_for_ht = true, /* use rts/cts protection */
};
struct iwl_cfg iwl5150_agn_cfg = {
@@ -1751,6 +1754,7 @@ struct iwl_cfg iwl5150_agn_cfg = {
.valid_rx_ant = ANT_AB,
.need_pll_cfg = true,
.ht_greenfield_support = true,
+ .use_rts_for_ht = true, /* use rts/cts protection */
};
MODULE_FIRMWARE(IWL5000_MODULE_FIRMWARE(IWL5000_UCODE_API_MAX));