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wifi: iwlwifi: mvm: use EHT maximum MPDU length on 2.4 GHz

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On 2.4 GHz there's no VHT, so EHT defines its own bits for
the maximum MPDU length. Use them when telling firmware
about the maximum.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230620125813.fd5322bb48a4.Ic471045f83229ceaacce25edcf992d3ce2c75de5@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2023-06-20 13:03:53 +03:00
parent 592fef3eb6
commit c7fa5e6828
1 changed files with 13 additions and 2 deletions
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15
drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c
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@ -523,6 +523,7 @@ u16 rs_fw_get_max_amsdu_len(struct ieee80211_sta *sta,
{
const struct ieee80211_sta_vht_cap *vht_cap = &link_sta->vht_cap;
const struct ieee80211_sta_ht_cap *ht_cap = &link_sta->ht_cap;
const struct ieee80211_sta_eht_cap *eht_cap = &link_sta->eht_cap;
if (WARN_ON_ONCE(!link_conf->chandef.chan))
return IEEE80211_MAX_MPDU_LEN_VHT_3895;
@ -537,8 +538,18 @@ u16 rs_fw_get_max_amsdu_len(struct ieee80211_sta *sta,
default:
return IEEE80211_MAX_MPDU_LEN_VHT_3895;
}
} else
if (vht_cap->vht_supported) {
} else if (link_conf->chandef.chan->band == NL80211_BAND_2GHZ &&
eht_cap->has_eht) {
switch (u8_get_bits(eht_cap->eht_cap_elem.mac_cap_info[0],
IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_MASK)) {
case IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_11454:
return IEEE80211_MAX_MPDU_LEN_VHT_11454;
case IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_7991:
return IEEE80211_MAX_MPDU_LEN_VHT_7991;
default:
return IEEE80211_MAX_MPDU_LEN_VHT_3895;
}
} else if (vht_cap->vht_supported) {
switch (vht_cap->cap & IEEE80211_VHT_CAP_MAX_MPDU_MASK) {
case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454:
return IEEE80211_MAX_MPDU_LEN_VHT_11454;