[3.19.y-ckt stable] Patch "mac80211: fix the beacon csa counter for mesh and ibss" has been added to staging queue

[Kamal Mostafa]

This is a note to let you know that I have just added a patch titled

    mac80211: fix the beacon csa counter for mesh and ibss

to the linux-3.19.y-queue branch of the 3.19.y-ckt extended stable tree 
which can be found at:

    http://kernel.ubuntu.com/git/ubuntu/linux.git/log/?h=linux-3.19.y-queue

This patch is scheduled to be released in version 3.19.y-ckt4.

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.19.y-ckt tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Kamal

------

>From 0fe92672cc5630082e4f153dc5c7d073c64b0202 Mon Sep 17 00:00:00 2001
From: Chun-Yeow Yeoh <yeohchunyeow at gmail.com>
Date: Tue, 9 Jun 2015 13:35:33 +0800
Subject: mac80211: fix the beacon csa counter for mesh and ibss

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 at gmail.com>
Signed-off-by: Johannes Berg <johannes.berg at intel.com>
Signed-off-by: Kamal Mostafa <kamal at canonical.com>
---
 net/mac80211/cfg.c  | 1 +
 net/mac80211/ibss.c | 1 +
 net/mac80211/mesh.c | 1 +
 3 files changed, 3 insertions(+)

diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index e75d5c5..0bfe56f 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -3344,6 +3344,7 @@ static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
 	/* 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;
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index 509bc15..53b419b 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -146,6 +146,7 @@ ieee80211_ibss_build_presp(struct ieee80211_sub_if_data *sdata,
 				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 */
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 0c8b2a7..eff8ac2 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -679,6 +679,7 @@ ieee80211_mesh_build_beacon(struct ieee80211_if_mesh *ifmsh)
 		*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;
--
1.9.1