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| author | John W. Linville <linville@tuxdriver.com> | 2014-02-20 21:02:02 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2014-02-20 21:02:02 +0100 |
| commit | 88daf80dcca19ff995cc263592426f734a9702f3 (patch) | |
| tree | 7a52e25df74e52d00c3821032e719244e8a5526f /net/wireless/chan.c | |
| parent | bonding: fix bond_arp_rcv() race of curr_active_slave (diff) | |
| parent | Staging: rtl8812ae: remove modules field of rate_control_ops (diff) | |
| download | linux-88daf80dcca19ff995cc263592426f734a9702f3.tar.xz linux-88daf80dcca19ff995cc263592426f734a9702f3.zip | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem
Diffstat (limited to 'net/wireless/chan.c')
| -rw-r--r-- | net/wireless/chan.c | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/net/wireless/chan.c b/net/wireless/chan.c index a04b884f5d04..2d4268c5529d 100644 --- a/net/wireless/chan.c +++ b/net/wireless/chan.c @@ -642,7 +642,8 @@ int cfg80211_set_monitor_channel(struct cfg80211_registered_device *rdev, void cfg80211_get_chan_state(struct wireless_dev *wdev, struct ieee80211_channel **chan, - enum cfg80211_chan_mode *chanmode) + enum cfg80211_chan_mode *chanmode, + u8 *radar_detect) { *chan = NULL; *chanmode = CHAN_MODE_UNDEFINED; @@ -660,6 +661,11 @@ cfg80211_get_chan_state(struct wireless_dev *wdev, !wdev->ibss_dfs_possible) ? CHAN_MODE_SHARED : CHAN_MODE_EXCLUSIVE; + + /* consider worst-case - IBSS can try to return to the + * original user-specified channel as creator */ + if (wdev->ibss_dfs_possible) + *radar_detect |= BIT(wdev->chandef.width); return; } break; @@ -674,17 +680,26 @@ cfg80211_get_chan_state(struct wireless_dev *wdev, case NL80211_IFTYPE_AP: case NL80211_IFTYPE_P2P_GO: if (wdev->cac_started) { - *chan = wdev->channel; + *chan = wdev->chandef.chan; *chanmode = CHAN_MODE_SHARED; + *radar_detect |= BIT(wdev->chandef.width); } else if (wdev->beacon_interval) { - *chan = wdev->channel; + *chan = wdev->chandef.chan; *chanmode = CHAN_MODE_SHARED; + + if (cfg80211_chandef_dfs_required(wdev->wiphy, + &wdev->chandef)) + *radar_detect |= BIT(wdev->chandef.width); } return; case NL80211_IFTYPE_MESH_POINT: if (wdev->mesh_id_len) { - *chan = wdev->channel; + *chan = wdev->chandef.chan; *chanmode = CHAN_MODE_SHARED; + + if (cfg80211_chandef_dfs_required(wdev->wiphy, + &wdev->chandef)) + *radar_detect |= BIT(wdev->chandef.width); } return; case NL80211_IFTYPE_MONITOR: |