diff mbox series

[01/21] iwlwifi: mvm: limit AMSDU size to 8K

Message ID 20190131202206.15903-2-luca@coelho.fi (mailing list archive)
State Accepted
Delegated to: Luca Coelho
Headers show
Series iwlwifi: updates intended for v5.1 2019-01-31 | expand

Commit Message

Luca Coelho Jan. 31, 2019, 8:21 p.m. UTC 
From: Sara Sharon <sara.sharon@intel.com>

Typically, when not in HE mode, we will not perform well
with AMSDUs bigger than 8K.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
---
 drivers/net/wireless/intel/iwlwifi/mvm/rs.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
index 09866f50857a..2d7a089d93a3 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
@@ -1757,7 +1757,12 @@  static void rs_set_amsdu_len(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
 	else
 		mvmsta->amsdu_enabled = 0xFFFF;
 
-	mvmsta->max_amsdu_len = sta->max_amsdu_len;
+	if (mvmsta->vif->bss_conf.he_support &&
+	    !iwlwifi_mod_params.disable_11ax)
+		mvmsta->max_amsdu_len = sta->max_amsdu_len;
+	else
+		mvmsta->max_amsdu_len = min_t(int, sta->max_amsdu_len, 8500);
+
 	sta->max_rc_amsdu_len = mvmsta->max_amsdu_len;
 
 	for (i = 0; i < IWL_MAX_TID_COUNT; i++) {