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Commit 6096de7f authored Nov 04, 2011 by Johannes Berg Committed by John W. Linville Nov 09, 2011

mac80211: add helper to free TX skb



Drivers that need to drop a frame before it
can be transmitted will usually simply free
that frame. This is currently fine, but in
the future it'll be needed to tell mac80211
about this case, so add a new routine that
frees a TX skb.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

parent d0ce1855

include/net/mac80211.h

+10 −0

Original line number	Diff line number	Diff line
		@@ -1308,6 +1308,16 @@ ieee80211_get_alt_retry_rate(const struct ieee80211_hw *hw,
		return &hw->wiphy->bands[c->band]->bitrates[c->control.rates[idx + 1].idx];
		}

		/**
		* ieee80211_free_txskb - free TX skb
		* @hw: the hardware
		* @skb: the skb
		*
		* Free a transmit skb. Use this funtion when some failure
		* to transmit happened and thus status cannot be reported.
		*/
		void ieee80211_free_txskb(struct ieee80211_hw hw, struct sk_buff skb);

		/**
		* DOC: Hardware crypto acceleration
		*

net/mac80211/status.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -609,3 +609,9 @@ void ieee80211_report_low_ack(struct ieee80211_sta *pubsta, u32 num_packets)
		num_packets, GFP_ATOMIC);
		}
		EXPORT_SYMBOL(ieee80211_report_low_ack);

		void ieee80211_free_txskb(struct ieee80211_hw hw, struct sk_buff skb)
		{
		dev_kfree_skb_any(skb);
		}
		EXPORT_SYMBOL(ieee80211_free_txskb);