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authorMichal Kazior2014-10-10 12:43:23 +0200
committerJohannes Berg2014-10-10 17:08:33 +0200
commit486cf4c08fe8b2b049bfccb76ce445ec1088fa25 (patch)
treec9080b814add0e48d5f4963f9516cbe0505480c9 /net/mac80211/main.c
parentmac80211: directly return ieee80211_vif_use_reserved_context() (diff)
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mac80211: enable DFS with channel contexts
It is okay to enable DFS for channel contexts based drivers as long as no combination advertises radar detection and multi-channel operation at the same time. Signed-off-by: Michal Kazior <michal.kazior@tieto.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/main.c')
-rw-r--r--net/mac80211/main.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 107d1c884de3..9e322dce64ec 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -785,13 +785,14 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_WDS))
return -EINVAL;
- /* DFS currently not supported with channel context drivers */
+ /* DFS is not supported with multi-channel combinations yet */
for (i = 0; i < local->hw.wiphy->n_iface_combinations; i++) {
const struct ieee80211_iface_combination *comb;
comb = &local->hw.wiphy->iface_combinations[i];
- if (comb->radar_detect_widths)
+ if (comb->radar_detect_widths &&
+ comb->num_different_channels > 1)
return -EINVAL;
}
}