diff options
Diffstat (limited to 'net/mac80211')
| -rw-r--r-- | net/mac80211/main.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/net/mac80211/main.c b/net/mac80211/main.c index d48fa1147c14..e05bcc35bc1e 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -1119,8 +1119,26 @@ int ieee80211_register_hw(struct ieee80211_hw *hw) supp_vht = supp_vht || sband->vht_cap.vht_supported; for_each_sband_iftype_data(sband, i, iftd) { + u8 he_40_mhz_cap; + supp_he = supp_he || iftd->he_cap.has_he; supp_eht = supp_eht || iftd->eht_cap.has_eht; + + if (sband->band == NL80211_BAND_2GHZ) + he_40_mhz_cap = + IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G; + else + he_40_mhz_cap = + IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G; + + /* currently no support for HE client where HT has 40 MHz but not HT */ + if (iftd->he_cap.has_he && + iftd->types_mask & (BIT(NL80211_IFTYPE_STATION) | + BIT(NL80211_IFTYPE_P2P_CLIENT)) && + sband->ht_cap.ht_supported && + sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40 && + !(iftd->he_cap.he_cap_elem.phy_cap_info[0] & he_40_mhz_cap)) + return -EINVAL; } /* HT, VHT, HE require QoS, thus >= 4 queues */ |