diff options
| author | Benjamin Berg <benjamin@sipsolutions.net> | 2017-05-16 12:23:13 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2017-05-19 14:26:05 +0300 |
| commit | 0ab2e55d33346972297972dd6bb4623159a1b239 (patch) | |
| tree | 8e8c3aba76b625bff9f61a590f95ca15632a51b8 /net/mac80211/mesh.c | |
| parent | 8d9de16f80d35f12198496640c4f09d35fd77715 (diff) | |
| download | linux-0ab2e55d33346972297972dd6bb4623159a1b239.tar.xz | |
mac80211: mesh: Allow following CSA to DFS channels if userspace handles it
If userspace has flagged support for DFS earlier, then we can follow CSA
to DFS channels. So instead of rejecting the switch, allow it to happen
if the flag has been set during mesh setup.
Signed-off-by: Benjamin Berg <benjamin@sipsolutions.net>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/mesh.c')
| -rw-r--r-- | net/mac80211/mesh.c | 15 |
1 files changed, 12 insertions, 3 deletions
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, ¶ms.chandef, - IEEE80211_CHAN_DISABLED)) { + IEEE80211_CHAN_DISABLED) || + !cfg80211_reg_can_beacon(sdata->local->hw.wiphy, ¶ms.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; |