From 5ecc2a5d3e3c39535d2cc10dad15853e9e9b072d Mon Sep 17 00:00:00 2001 From: Michael Buesch Date: Tue, 2 Oct 2007 12:17:56 +0200 Subject: [PATCH] [MAC80211]: Update beacon_update callback documentation Signed-off-by: Michael Buesch Signed-off-by: John W. Linville Signed-off-by: David S. Miller --- include/net/mac80211.h | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 9bc03f053af0..5fcc4c104340 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -996,7 +996,14 @@ enum ieee80211_erp_change_flags { * * @beacon_update: Setup beacon data for IBSS beacons. Unlike access point, * 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 owns + * 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. * * @tx_last_beacon: Determine whether the last IBSS beacon was sent by us. * This is needed only for IBSS mode and the result of this function is -- 2.20.1