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>
This commit is contained in:
Johannes Berg 2011-11-04 11:18:10 +01:00 committed by John W. Linville
parent d0ce1855ea
commit 6096de7fd4
2 changed files with 16 additions and 0 deletions

View File

@ -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
*

View File

@ -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);