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iwlwifi: when HW has rate offload don't look at control field

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Control field is set by mac80211 only if case rate is not offloaded to
hw.

Signed-off-by: Mordechay Goodstein <mordechay.goodstein@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210210135352.f845c4387eed.I30c4d26698bae1f5f8c396da80a545baa145e2ad@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Mordechay Goodstein
2021-02-10 13:56:36 +02:00
committed by Luca Coelho
parent 9cf671d60f
commit 004272bc8d
1 changed files with 13 additions and 9 deletions
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22
drivers/net/wireless/intel/iwlwifi/mvm/tx.c
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@ -265,20 +265,24 @@ static u32 iwl_mvm_get_tx_rate(struct iwl_mvm *mvm,
struct ieee80211_tx_info *info,
struct ieee80211_sta *sta, __le16 fc)
{
int rate_idx;
int rate_idx = -1;
u8 rate_plcp;
u32 rate_flags = 0;
struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
/* HT rate doesn't make sense for a non data frame */
WARN_ONCE(info->control.rates[0].flags & IEEE80211_TX_RC_MCS &&
!ieee80211_is_data(fc),
"Got a HT rate (flags:0x%x/mcs:%d/fc:0x%x/state:%d) for a non data frame\n",
info->control.rates[0].flags,
info->control.rates[0].idx,
le16_to_cpu(fc), mvmsta->sta_state);
/* info->control is only relevant for non HW rate control */
if (!ieee80211_hw_check(mvm->hw, HAS_RATE_CONTROL)) {
/* HT rate doesn't make sense for a non data frame */
WARN_ONCE(info->control.rates[0].flags & IEEE80211_TX_RC_MCS &&
!ieee80211_is_data(fc),
"Got a HT rate (flags:0x%x/mcs:%d/fc:0x%x/state:%d) for a non data frame\n",
info->control.rates[0].flags,
info->control.rates[0].idx,
le16_to_cpu(fc), mvmsta->sta_state);
rate_idx = info->control.rates[0].idx;
}
rate_idx = info->control.rates[0].idx;
/* if the rate isn't a well known legacy rate, take the lowest one */
if (rate_idx < 0 || rate_idx >= IWL_RATE_COUNT_LEGACY)
rate_idx = rate_lowest_index(