[PATCH 11/12] iwlwifi: when HW has rate offload don't look at control field
From: Luca Coelho <hidden>
Date: 2021-02-08 12:44:49
Subsystem:
intel wireless wifi link (iwlwifi), the rest · Maintainers:
Miri Korenblit, Linus Torvalds
From: Mordechay Goodstein <redacted> Control field is set by mac80211 only if case rate is not offloaded to hw. Signed-off-by: Mordechay Goodstein <redacted> Signed-off-by: Luca Coelho <redacted> --- drivers/net/wireless/intel/iwlwifi/mvm/tx.c | 22 ++++++++++++--------- 1 file changed, 13 insertions(+), 9 deletions(-)
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
index 03afced82afa..ca69968bb0c0 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c@@ -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(
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2.30.0