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authorEmmanuel Grumbach <emmanuel.grumbach@intel.com>2015-02-23 02:40:07 +0200
committerEmmanuel Grumbach <emmanuel.grumbach@intel.com>2015-02-25 10:39:19 +0200
commit540623caa6c769d9d19e6044949f5fa2fe1a33a6 (patch)
tree97eb8e725a37280b9f5264e4834f1523ee31ad4d /drivers/net/wireless/iwlwifi/iwl-5000.c
parentc9faccc9d2febc106994fc605c3957214973cc0f (diff)
iwlwifi: fix max_ht_ampdu_exponent for older devices
The commit below didn't update the max_ht_ampdu_exponent for the devices listed in iwl-[1-6]000.c which, in result, became 0 instead of 8K. This reduced the size of the Rx AMPDU from 64K to 8K which had an impact in the Rx throughput. One user reported that because of this, his downstream throughput droppped by a half. CC: <stable@vger.kernel.org> [3.19] Fixes: c064ddf318aa ("iwlwifi: change max HT and VHT A-MPDU exponent") Reported-and-tested-by: Valentin Manea <linux-wireless@mrs.ro> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-5000.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-5000.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index 332bbede39e5..724194e23414 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -93,7 +93,8 @@ static const struct iwl_eeprom_params iwl5000_eeprom_params = {
.nvm_calib_ver = EEPROM_5000_TX_POWER_VERSION, \
.base_params = &iwl5000_base_params, \
.eeprom_params = &iwl5000_eeprom_params, \
- .led_mode = IWL_LED_BLINK
+ .led_mode = IWL_LED_BLINK, \
+ .max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K
const struct iwl_cfg iwl5300_agn_cfg = {
.name = "Intel(R) Ultimate N WiFi Link 5300 AGN",
@@ -158,7 +159,8 @@ const struct iwl_cfg iwl5350_agn_cfg = {
.base_params = &iwl5000_base_params, \
.eeprom_params = &iwl5000_eeprom_params, \
.led_mode = IWL_LED_BLINK, \
- .internal_wimax_coex = true
+ .internal_wimax_coex = true, \
+ .max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K
const struct iwl_cfg iwl5150_agn_cfg = {
.name = "Intel(R) WiMAX/WiFi Link 5150 AGN",