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iwlwifi: mvm: in VHT connection use only VHT capabilities

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mac80211 limits amsdu size to the minimum of HT and VHT capabilities
but since in a VHT connection we don't transmit HT frames we can discard
HT limits.

Signed-off-by: Mordechay Goodstein <mordechay.goodstein@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Mordechay Goodstein
2019-11-15 09:27:34 +02:00
committed by Kalle Valo
parent 222ccf5e9f
commit 686d5c5708
3 changed files with 5 additions and 1 deletions
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2
drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c
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@@ -384,7 +384,7 @@ out:
rcu_read_unlock();
}
static u16 rs_fw_get_max_amsdu_len(struct ieee80211_sta *sta)
u16 rs_fw_get_max_amsdu_len(struct ieee80211_sta *sta)
{
const struct ieee80211_sta_vht_cap *vht_cap = &sta->vht_cap;
const struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap;

2
drivers/net/wireless/intel/iwlwifi/mvm/rs.c
View File

@@ -1533,6 +1533,8 @@ static void rs_set_amsdu_len(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
int i;
sta->max_amsdu_len = rs_fw_get_max_amsdu_len(sta);
/*
* In case TLC offload is not active amsdu_enabled is either 0xFFFF
* or 0, since there is no per-TID alg.

2
drivers/net/wireless/intel/iwlwifi/mvm/rs.h
View File

@@ -452,4 +452,6 @@ int rs_fw_tx_protection(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta,
bool enable);
void iwl_mvm_tlc_update_notif(struct iwl_mvm *mvm,
struct iwl_rx_cmd_buffer *rxb);
u16 rs_fw_get_max_amsdu_len(struct ieee80211_sta *sta);
#endif /* __rs__ */