diff options
Diffstat (limited to 'net/mac80211/mesh.c')
| -rw-r--r-- | net/mac80211/mesh.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c index 2e7fa743c892..d09b3c789314 100644 --- a/net/mac80211/mesh.c +++ b/net/mac80211/mesh.c @@ -532,6 +532,61 @@ int mesh_add_vht_oper_ie(struct ieee80211_sub_if_data *sdata, return 0; } +int mesh_add_he_cap_ie(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb, u8 ie_len) +{ + const struct ieee80211_sta_he_cap *he_cap; + struct ieee80211_supported_band *sband; + u8 *pos; + + sband = ieee80211_get_sband(sdata); + if (!sband) + return -EINVAL; + + he_cap = ieee80211_get_he_iftype_cap(sband, NL80211_IFTYPE_MESH_POINT); + + if (!he_cap || + sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT || + sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_5 || + sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_10) + return 0; + + if (skb_tailroom(skb) < ie_len) + return -ENOMEM; + + pos = skb_put(skb, ie_len); + ieee80211_ie_build_he_cap(pos, he_cap, pos + ie_len); + + return 0; +} + +int mesh_add_he_oper_ie(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb) +{ + const struct ieee80211_sta_he_cap *he_cap; + struct ieee80211_supported_band *sband; + u8 *pos; + + sband = ieee80211_get_sband(sdata); + if (!sband) + return -EINVAL; + + he_cap = ieee80211_get_he_iftype_cap(sband, NL80211_IFTYPE_MESH_POINT); + if (!he_cap || + sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT || + sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_5 || + sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_10) + return 0; + + if (skb_tailroom(skb) < 2 + 1 + sizeof(struct ieee80211_he_operation)) + return -ENOMEM; + + pos = skb_put(skb, 2 + 1 + sizeof(struct ieee80211_he_operation)); + ieee80211_ie_build_he_oper(pos); + + return 0; +} + static void ieee80211_mesh_path_timer(struct timer_list *t) { struct ieee80211_sub_if_data *sdata = @@ -677,6 +732,7 @@ ieee80211_mesh_build_beacon(struct ieee80211_if_mesh *ifmsh) struct ieee80211_chanctx_conf *chanctx_conf; struct mesh_csa_settings *csa; enum nl80211_band band; + u8 ie_len_he_cap; u8 *pos; struct ieee80211_sub_if_data *sdata; int hdr_len = offsetofend(struct ieee80211_mgmt, u.beacon); @@ -687,6 +743,8 @@ ieee80211_mesh_build_beacon(struct ieee80211_if_mesh *ifmsh) band = chanctx_conf->def.chan->band; rcu_read_unlock(); + ie_len_he_cap = ieee80211_ie_len_he_cap(sdata, + NL80211_IFTYPE_MESH_POINT); head_len = hdr_len + 2 + /* NULL SSID */ /* Channel Switch Announcement */ @@ -706,6 +764,8 @@ ieee80211_mesh_build_beacon(struct ieee80211_if_mesh *ifmsh) 2 + sizeof(__le16) + /* awake window */ 2 + sizeof(struct ieee80211_vht_cap) + 2 + sizeof(struct ieee80211_vht_operation) + + ie_len_he_cap + + 2 + 1 + sizeof(struct ieee80211_he_operation) + ifmsh->ie_len; bcn = kzalloc(sizeof(*bcn) + head_len + tail_len, GFP_KERNEL); @@ -823,6 +883,8 @@ ieee80211_mesh_build_beacon(struct ieee80211_if_mesh *ifmsh) mesh_add_awake_window_ie(sdata, skb) || mesh_add_vht_cap_ie(sdata, skb) || mesh_add_vht_oper_ie(sdata, skb) || + mesh_add_he_cap_ie(sdata, skb, ie_len_he_cap) || + mesh_add_he_oper_ie(sdata, skb) || mesh_add_vendor_ies(sdata, skb)) goto out_free; |