diff options
| -rw-r--r-- | net/mac80211/ieee80211_i.h | 1 | ||||
| -rw-r--r-- | net/mac80211/mesh.c | 21 | ||||
| -rw-r--r-- | net/mac80211/spectmgmt.c | 5 |
3 files changed, 27 insertions, 0 deletions
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index f8f6c148f554..60bed6c69801 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -1440,6 +1440,7 @@ struct ieee80211_csa_ie { u8 count; u8 ttl; u16 pre_value; + u16 reason_code; }; /* Parsed Information Elements */ diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c index 737e1f082b0d..3702e3d9141d 100644 --- a/net/mac80211/mesh.c +++ b/net/mac80211/mesh.c @@ -916,6 +916,21 @@ void ieee80211_stop_mesh(struct ieee80211_sub_if_data *sdata) ieee80211_configure_filter(local); } +static void ieee80211_mesh_csa_mark_radar(struct ieee80211_sub_if_data *sdata) +{ + int err; + + /* if the current channel is a DFS channel, mark the channel as + * unavailable. + */ + err = cfg80211_chandef_dfs_required(sdata->local->hw.wiphy, + &sdata->vif.bss_conf.chandef, + NL80211_IFTYPE_MESH_POINT); + if (err > 0) + cfg80211_radar_event(sdata->local->hw.wiphy, + &sdata->vif.bss_conf.chandef, GFP_ATOMIC); +} + static bool ieee80211_mesh_process_chnswitch(struct ieee80211_sub_if_data *sdata, struct ieee802_11_elems *elems, bool beacon) @@ -954,6 +969,12 @@ ieee80211_mesh_process_chnswitch(struct ieee80211_sub_if_data *sdata, if (err) return false; + /* Mark the channel unavailable if the reason for the switch is + * regulatory. + */ + if (csa_ie.reason_code == WLAN_REASON_MESH_CHAN_REGULATORY) + ieee80211_mesh_csa_mark_radar(sdata); + params.chandef = csa_ie.chandef; params.count = csa_ie.count; diff --git a/net/mac80211/spectmgmt.c b/net/mac80211/spectmgmt.c index 0782e486fe89..d2ea0017c79d 100644 --- a/net/mac80211/spectmgmt.c +++ b/net/mac80211/spectmgmt.c @@ -76,6 +76,11 @@ int ieee80211_parse_ch_switch_ie(struct ieee80211_sub_if_data *sdata, csa_ie->mode = elems->mesh_chansw_params_ie->mesh_flags; csa_ie->pre_value = le16_to_cpu( elems->mesh_chansw_params_ie->mesh_pre_value); + + if (elems->mesh_chansw_params_ie->mesh_flags & + WLAN_EID_CHAN_SWITCH_PARAM_REASON) + csa_ie->reason_code = le16_to_cpu( + elems->mesh_chansw_params_ie->mesh_reason); } new_freq = ieee80211_channel_to_frequency(new_chan_no, new_band); |