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hostapd: Allow to switch to DFS channels if available

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If DFS channels are marked as "available", an AP can switch to them
immediately without performing CAC. Therefore, the channel selection
function should consider these channels even though these are radar
channels.

Signed-hostap: Simon Wunderlich <sw@simonwunderlich.de>
This commit is contained in:
Simon Wunderlich 2014-02-06 19:30:38 +01:00 committed by Jouni Malinen
parent 70ee1be248
commit 01b99998bd
1 changed files with 4 additions and 2 deletions
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6
src/ap/dfs.c
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@ -50,9 +50,11 @@ static int dfs_channel_available(struct hostapd_channel_data *chan,
/* /*
* When radar detection happens, CSA is performed. However, there's no * When radar detection happens, CSA is performed. However, there's no
* time for CAC, so radar channels must be skipped when finding a new * time for CAC, so radar channels must be skipped when finding a new
* channel for CSA. * channel for CSA, unless they are available for immediate use.
*/ */
if (skip_radar && chan->flag & HOSTAPD_CHAN_RADAR) if (skip_radar && (chan->flag & HOSTAPD_CHAN_RADAR) &&
((chan->flag & HOSTAPD_CHAN_DFS_MASK) !=
HOSTAPD_CHAN_DFS_AVAILABLE))
return 0; return 0;
if (chan->flag & HOSTAPD_CHAN_DISABLED) if (chan->flag & HOSTAPD_CHAN_DISABLED)