[PATCH 5/5] mac80211: mesh beacon includes TIM IE

[Thomas Pedersen <thomas@cozybit.com>]

Even though we don't currently implement PS for mesh points, the
standard asks us to include a TIM element in beacons. Include an empty
element for now.

Signed-off-by: Thomas Pedersen <thomas@cozybit.com>
---
 net/mac80211/tx.c |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index e1389e8..174db68 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -2251,6 +2251,7 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw,
 						 IEEE80211_STYPE_BEACON);
 	} else if (ieee80211_vif_is_mesh(&sdata->vif)) {
 		struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
+		u8 *pos;
 #ifdef CONFIG_MAC80211_MESH
 		if (!sdata->u.mesh.mesh_id_len)
 			goto out;
@@ -2269,6 +2270,14 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw,
 			memcpy(skb_put(skb, beacon->head_len), beacon->head,
 			       beacon->head_len);
 
+			pos = skb_put(skb, 6);
+			*pos++ = WLAN_EID_TIM;
+			*pos++ = 4;
+			*pos++ = 0;	/* DTIM count */
+			*pos++ = 0;	/* DTIM period */
+			*pos++ = 0;	/* Bitmap control */
+			*pos++ = 0;	/* Part Virt Bitmap */
+
 			if (beacon->tail && beacon->tail_len)
 				memcpy(skb_put(skb, beacon->tail_len),
 				       beacon->tail, beacon->tail_len);
-- 
1.7.6