| 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253 |
- From: Felix Fietkau <[email protected]>
- Date: Fri, 21 Aug 2020 05:49:07 +0200
- Subject: [PATCH] mac80211: extend ieee80211_tx_status_ext to support
- bulk free
- Store processed skbs ready to be freed in a list so the driver bulk free them
- Signed-off-by: Felix Fietkau <[email protected]>
- ---
- --- a/include/net/mac80211.h
- +++ b/include/net/mac80211.h
- @@ -1095,12 +1095,14 @@ ieee80211_info_get_tx_time_est(struct ie
- * @info: Basic tx status information
- * @skb: Packet skb (can be NULL if not provided by the driver)
- * @rate: The TX rate that was used when sending the packet
- + * @free_list: list where processed skbs are stored to be free'd by the driver
- */
- struct ieee80211_tx_status {
- struct ieee80211_sta *sta;
- struct ieee80211_tx_info *info;
- struct sk_buff *skb;
- struct rate_info *rate;
- + struct list_head *free_list;
- };
-
- /**
- --- a/net/mac80211/status.c
- +++ b/net/mac80211/status.c
- @@ -1051,7 +1051,10 @@ static void __ieee80211_tx_status(struct
- * with this test...
- */
- if (!local->monitors && (!send_to_cooked || !local->cooked_mntrs)) {
- - dev_kfree_skb(skb);
- + if (status->free_list)
- + list_add_tail(&skb->list, status->free_list);
- + else
- + dev_kfree_skb(skb);
- return;
- }
-
- @@ -1180,7 +1183,10 @@ free:
- return;
-
- ieee80211_report_used_skb(local, skb, false);
- - dev_kfree_skb(skb);
- + if (status->free_list)
- + list_add_tail(&skb->list, status->free_list);
- + else
- + dev_kfree_skb(skb);
- }
- EXPORT_SYMBOL(ieee80211_tx_status_ext);
-
|
