xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

mac80211: enable DFS with channel contexts

Browse Source 
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>
This commit is contained in:
Michal Kazior
2014-10-10 12:43:23 +02:00
committed by Johannes Berg
parent 408b18abf6
commit 486cf4c08f
2 changed files with 17 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
net/mac80211/main.c
View File

@@ -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;
}
}