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-rw-r--r--net/mac80211/cfg.c1
-rw-r--r--net/mac80211/ieee80211_i.h2
-rw-r--r--net/mac80211/mesh.c15
3 files changed, 15 insertions, 3 deletions
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 6c2e6060cd54..6980a936a437 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1874,6 +1874,7 @@ static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
ifmsh->user_mpm = setup->user_mpm;
ifmsh->mesh_auth_id = setup->auth_id;
ifmsh->security = IEEE80211_MESH_SEC_NONE;
+ ifmsh->userspace_handles_dfs = setup->userspace_handles_dfs;
if (setup->is_authenticated)
ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
if (setup->is_secure)
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 60bed6c69801..c960e4999380 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -643,6 +643,8 @@ struct ieee80211_if_mesh {
unsigned long wrkq_flags;
unsigned long mbss_changed;
+ bool userspace_handles_dfs;
+
u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN];
size_t mesh_id_len;
/* Active Path Selection Protocol Identifier */
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index f7dffdf5fc74..7e0498bb9337 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -978,7 +978,9 @@ ieee80211_mesh_process_chnswitch(struct ieee80211_sub_if_data *sdata,
params.count = csa_ie.count;
if (!cfg80211_chandef_usable(sdata->local->hw.wiphy, &params.chandef,
- IEEE80211_CHAN_DISABLED)) {
+ IEEE80211_CHAN_DISABLED) ||
+ !cfg80211_reg_can_beacon(sdata->local->hw.wiphy, &params.chandef,
+ NL80211_IFTYPE_MESH_POINT)) {
sdata_info(sdata,
"mesh STA %pM switches to unsupported channel (%d MHz, width:%d, CF1/2: %d/%d MHz), aborting\n",
sdata->vif.addr,
@@ -994,9 +996,16 @@ ieee80211_mesh_process_chnswitch(struct ieee80211_sub_if_data *sdata,
NL80211_IFTYPE_MESH_POINT);
if (err < 0)
return false;
- if (err > 0)
- /* TODO: DFS not (yet) supported */
+ if (err > 0 && !ifmsh->userspace_handles_dfs) {
+ sdata_info(sdata,
+ "mesh STA %pM switches to channel requiring DFS (%d MHz, width:%d, CF1/2: %d/%d MHz), aborting\n",
+ sdata->vif.addr,
+ params.chandef.chan->center_freq,
+ params.chandef.width,
+ params.chandef.center_freq1,
+ params.chandef.center_freq2);
return false;
+ }
params.radar_required = err;