diff options
| author | Ping-Ke Shih <pkshih@realtek.com> | 2024-08-22 09:42:54 +0800 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2024-08-27 10:28:55 +0200 |
| commit | 53bc1b73b67836ac9867f93dee7a443986b4a94f (patch) | |
| tree | 99b11badb1a94086f284aebb15b84b54de29e3e6 | |
| parent | 373d3f8dcbb1c0d764123653ca4574be636b8d86 (diff) | |
wifi: mac80211: export ieee80211_purge_tx_queue() for drivers
Drivers need to purge TX SKB when stopping. Using skb_queue_purge() can't
report TX status to mac80211, causing ieee80211_free_ack_frame() warns
"Have pending ack frames!". Export ieee80211_purge_tx_queue() for drivers
to not have to reimplement it.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20240822014255.10211-1-pkshih@realtek.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| -rw-r--r-- | include/net/mac80211.h | 13 | ||||
| -rw-r--r-- | net/mac80211/ieee80211_i.h | 2 | ||||
| -rw-r--r-- | net/mac80211/status.c | 1 |
3 files changed, 14 insertions, 2 deletions
diff --git a/include/net/mac80211.h b/include/net/mac80211.h index cfd64acdc039..adfec877f392 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -3182,6 +3182,19 @@ ieee80211_get_alt_retry_rate(const struct ieee80211_hw *hw, void ieee80211_free_txskb(struct ieee80211_hw *hw, struct sk_buff *skb); /** + * ieee80211_purge_tx_queue - purge TX skb queue + * @hw: the hardware + * @skbs: the skbs + * + * Free a set of transmit skbs. Use this function when device is going to stop + * but some transmit skbs without TX status are still queued. + * This function does not take the list lock and the caller must hold the + * relevant locks to use it. + */ +void ieee80211_purge_tx_queue(struct ieee80211_hw *hw, + struct sk_buff_head *skbs); + +/** * DOC: Hardware crypto acceleration * * mac80211 is capable of taking advantage of many hardware diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index fdd2bad15076..6305c4e9cca1 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -2072,8 +2072,6 @@ void __ieee80211_subif_start_xmit(struct sk_buff *skb, u32 info_flags, u32 ctrl_flags, u64 *cookie); -void ieee80211_purge_tx_queue(struct ieee80211_hw *hw, - struct sk_buff_head *skbs); struct sk_buff * ieee80211_build_data_template(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, u32 info_flags); diff --git a/net/mac80211/status.c b/net/mac80211/status.c index dd8f857a1fbc..d1cf987de13b 100644 --- a/net/mac80211/status.c +++ b/net/mac80211/status.c @@ -1301,3 +1301,4 @@ void ieee80211_purge_tx_queue(struct ieee80211_hw *hw, while ((skb = __skb_dequeue(skbs))) ieee80211_free_txskb(hw, skb); } +EXPORT_SYMBOL(ieee80211_purge_tx_queue); |