diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 86de6b62a44b..67aeb7199617 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -4315,6 +4315,11 @@ struct cfg80211_pmsr_capabilities { * @txq_memory_limit: configuration internal TX queue memory limit * @txq_quantum: configuration of internal TX queue scheduler quantum * + * @support_mbssid: can HW support association with nontransmitted AP + * @support_only_he_mbssid: don't parse MBSSID elements if it is not + * HE AP, in order to avoid compatibility issues. + * @support_mbssid must be set for this to have any effect. + * * @pmsr_capa: peer measurement capabilities */ struct wiphy { @@ -4455,6 +4460,9 @@ struct wiphy { u32 txq_memory_limit; u32 txq_quantum; + u8 support_mbssid:1, + support_only_he_mbssid:1; + const struct cfg80211_pmsr_capabilities *pmsr_capa; char priv[0] __aligned(NETDEV_ALIGN); diff --git a/net/wireless/scan.c b/net/wireless/scan.c index 325323a842d8..ab0f0178ee0e 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -1417,6 +1417,11 @@ static void cfg80211_parse_mbssid_data(struct wiphy *wiphy, return; if (!cfg80211_find_ie(WLAN_EID_MULTIPLE_BSSID, ie, ielen)) return; + if (!wiphy->support_mbssid) + return; + if (wiphy->support_only_he_mbssid && + !cfg80211_find_ext_ie(WLAN_EID_EXT_HE_CAPABILITY, ie, ielen)) + return; new_ie = kmalloc(IEEE80211_MAX_DATA_LEN, gfp); if (!new_ie) @@ -1701,7 +1706,11 @@ cfg80211_inform_bss_frame_data(struct wiphy *wiphy, res = cfg80211_inform_single_bss_frame_data(wiphy, data, mgmt, len, NULL, gfp); - if (!res || !cfg80211_find_ie(WLAN_EID_MULTIPLE_BSSID, ie, ielen)) + if (!res || !wiphy->support_mbssid || + !cfg80211_find_ie(WLAN_EID_MULTIPLE_BSSID, ie, ielen)) + return res; + if (wiphy->support_only_he_mbssid && + !cfg80211_find_ext_ie(WLAN_EID_EXT_HE_CAPABILITY, ie, ielen)) return res; /* process each non-transmitting bss */