From: Janusz Dziedzic <janusz.dziedzic@gmail.com>
Date: Sun, 11 Oct 2020 19:01:52 +0000 (+0200)
Subject: DFS: Allow switch to an available channel
X-Git-Tag: hostap_2_10~621
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ef26fc19fa03f26437ea5b09b01d930eb1999b24;p=thirdparty%2Fhostap.git

DFS: Allow switch to an available channel

For EU, where preCAC is allowed, we should allow switch to DFS available
channels, instead of restarting BSS.

Signed-off-by: Janusz Dziedzic <janusz.dziedzic@gmail.com>
---

diff --git a/src/ap/dfs.c b/src/ap/dfs.c
index be7726cbe..b990fb342 100644
--- a/src/ap/dfs.c
+++ b/src/ap/dfs.c
@@ -1348,12 +1348,16 @@ int hostapd_is_dfs_overlap(struct hostapd_iface *iface, enum chan_width width,
 		if (!(chan->flag & HOSTAPD_CHAN_RADAR))
 			continue;
 
+		if ((chan->flag & HOSTAPD_CHAN_DFS_MASK) ==
+		    HOSTAPD_CHAN_DFS_AVAILABLE)
+			continue;
+
 		if (center_freq - chan->freq < half_width &&
 		    chan->freq - center_freq < half_width)
 			res++;
 	}
 
-	wpa_printf(MSG_DEBUG, "DFS: (%d, %d): in range: %s",
+	wpa_printf(MSG_DEBUG, "DFS CAC required: (%d, %d): in range: %s",
 		   center_freq - half_width, center_freq + half_width,
 		   res ? "yes" : "no");