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wifi: iwlwifi: disable RX STBC when a device doesn't support it

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Some devices, like step A0 of GL FM device doesn't support RX STBC
for VHT/HE. Add a workaround to remove it from capabilities in
this case.

Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230524203151.65c3e09813e5.Iadfd8cdb0ea5a8088ae3daa555c780c423951894@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Gregory Greenman 2023-05-24 20:42:08 +03:00 committed by Johannes Berg
parent 58e6827689
commit dbb6f2307b
1 changed files with 10 additions and 0 deletions
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10
drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
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@ -464,6 +464,9 @@ static void iwl_init_vht_hw_capab(struct iwl_trans *trans,
IEEE80211_VHT_MAX_AMPDU_1024K <<
IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT;
if (!trans->cfg->ht_params->stbc)
vht_cap->cap &= ~IEEE80211_VHT_CAP_RXSTBC_MASK;
if (data->vht160_supported)
vht_cap->cap |= IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ |
IEEE80211_VHT_CAP_SHORT_GI_160;
@ -986,6 +989,13 @@ iwl_nvm_fixup_sband_iftd(struct iwl_trans *trans,
iftype_data->vendor_elems.data = iwl_vendor_caps;
iftype_data->vendor_elems.len = ARRAY_SIZE(iwl_vendor_caps);
}
if (!trans->cfg->ht_params->stbc) {
iftype_data->he_cap.he_cap_elem.phy_cap_info[2] &=
~IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ;
iftype_data->he_cap.he_cap_elem.phy_cap_info[7] &=
~IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ;
}
}
static void iwl_init_he_hw_capab(struct iwl_trans *trans,