* [PATCH] mac80211: Update beacon_update callback documentation
@ 2007-10-02 10:15 Michael Buesch
0 siblings, 0 replies; only message in thread
From: Michael Buesch @ 2007-10-02 10:15 UTC (permalink / raw)
To: John Linville; +Cc: linux-wireless, Johannes Berg, Michael Wu
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Index: wireless-2.6/include/net/mac80211.h
===================================================================
--- wireless-2.6.orig/include/net/mac80211.h 2007-09-25 22:51:28.000000000 +0200
+++ wireless-2.6/include/net/mac80211.h 2007-10-02 12:13:43.000000000 +0200
@@ -890,7 +890,14 @@ struct ieee80211_ops {
/* Setup beacon data for IBSS beacons. Unlike access point (Master),
* IBSS uses a fixed beacon frame which is configured using this
- * function. This handler is required only for IBSS mode. */
+ * function.
+ * If the driver returns success (0) from this callback, it own
+ * the skb. That means the driver is responsible to kfree_skb() it.
+ * The control structure is not dynamically allocated. That means the
+ * driver does not own the pointer and if it needs it somewhere
+ * outside of the context of this function, it must copy it
+ * somewhere else.
+ * This handler is required only for IBSS mode. */
int (*beacon_update)(struct ieee80211_hw *hw,
struct sk_buff *skb,
struct ieee80211_tx_control *control);
--
Greetings Michael.
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