linux-kernel - [PATCH 4.1 225/267] mac80211: fix the beacon csa counter for mesh and ibss

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Date:	Fri, 31 Jul 2015 12:41:16 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Chun-Yeow Yeoh <yeohchunyeow@...il.com>,
	Johannes Berg <johannes.berg@...el.com>
Subject: [PATCH 4.1 225/267] mac80211: fix the beacon csa counter for mesh and ibss

4.1-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Chun-Yeow Yeoh <yeohchunyeow@...il.com>

commit 8df734e865b74d9f273216482a45a38269dc767a upstream.

The csa counter has moved from sdata to beacon/presp but
it is not updated accordingly for mesh and ibss. Fix this.

Fixes: af296bdb8da4 ("mac80211: move csa counters from sdata to beacon/presp")
Signed-off-by: Chun-Yeow Yeoh <yeohchunyeow@...il.com>
Signed-off-by: Johannes Berg <johannes.berg@...el.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 net/mac80211/cfg.c  |    1 +
 net/mac80211/ibss.c |    1 +
 net/mac80211/mesh.c |    1 +
 3 files changed, 3 insertions(+)

--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -3356,6 +3356,7 @@ static int ieee80211_mgmt_tx(struct wiph
 	/* Update CSA counters */
 	if (sdata->vif.csa_active &&
 	    (sdata->vif.type == NL80211_IFTYPE_AP ||
+	     sdata->vif.type == NL80211_IFTYPE_MESH_POINT ||
 	     sdata->vif.type == NL80211_IFTYPE_ADHOC) &&
 	    params->n_csa_offsets) {
 		int i;
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -146,6 +146,7 @@ ieee80211_ibss_build_presp(struct ieee80
 				csa_settings->chandef.chan->center_freq);
 		presp->csa_counter_offsets[0] = (pos - presp->head);
 		*pos++ = csa_settings->count;
+		presp->csa_current_counter = csa_settings->count;
 	}
 
 	/* put the remaining rates in WLAN_EID_EXT_SUPP_RATES */
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -680,6 +680,7 @@ ieee80211_mesh_build_beacon(struct ieee8
 		*pos++ = 0x0;
 		*pos++ = ieee80211_frequency_to_channel(
 				csa->settings.chandef.chan->center_freq);
+		bcn->csa_current_counter = csa->settings.count;
 		bcn->csa_counter_offsets[0] = hdr_len + 6;
 		*pos++ = csa->settings.count;
 		*pos++ = WLAN_EID_CHAN_SWITCH_PARAM;


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