diff options
Diffstat (limited to 'net/mac80211')
| -rw-r--r-- | net/mac80211/mlme.c | 32 |
1 files changed, 5 insertions, 27 deletions
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 45be270eaab7..5b1bc84760d5 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -4547,41 +4547,17 @@ static u8 ieee80211_max_rx_chains(struct ieee80211_link_data *link, static bool ieee80211_verify_peer_he_mcs_support(struct ieee80211_sub_if_data *sdata, - const struct cfg80211_bss_ies *ies, + const struct ieee80211_he_cap_elem *he_cap, const struct ieee80211_he_operation *he_op) { - const struct element *he_cap_elem; - const struct ieee80211_he_cap_elem *he_cap; struct ieee80211_he_mcs_nss_supp *he_mcs_nss_supp; u16 mcs_80_map_tx, mcs_80_map_rx; u16 ap_min_req_set; - int mcs_nss_size; int nss; - he_cap_elem = cfg80211_find_ext_elem(WLAN_EID_EXT_HE_CAPABILITY, - ies->data, ies->len); - - if (!he_cap_elem) + if (!he_cap) return false; - /* invalid HE IE */ - if (he_cap_elem->datalen < 1 + sizeof(*he_cap)) { - sdata_info(sdata, - "Invalid HE elem, Disable HE\n"); - return false; - } - - /* skip one byte ext_tag_id */ - he_cap = (void *)(he_cap_elem->data + 1); - mcs_nss_size = ieee80211_he_mcs_nss_size(he_cap); - - /* invalid HE IE */ - if (he_cap_elem->datalen < 1 + sizeof(*he_cap) + mcs_nss_size) { - sdata_info(sdata, - "Invalid HE elem with nss size, Disable HE\n"); - return false; - } - /* mcs_nss is right after he_cap info */ he_mcs_nss_supp = (void *)(he_cap + 1); @@ -4946,7 +4922,9 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata, } } - if (!ieee80211_verify_peer_he_mcs_support(sdata, ies, he_oper) || + if (!ieee80211_verify_peer_he_mcs_support(sdata, + (void *)elems->he_cap, + he_oper) || !ieee80211_verify_sta_he_mcs_support(sdata, sband, he_oper)) *conn_flags |= IEEE80211_CONN_DISABLE_HE | IEEE80211_CONN_DISABLE_EHT; |