From: Felix Fietkau Date: Tue, 8 Sep 2020 12:37:00 +0000 (+0200) Subject: mac80211: extend ieee80211_tx_status_ext to support bulk free X-Git-Tag: io_uring-5.10-2020-10-20~32^2~178^2~13 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=f02dff93e26bef46f5511f1e8229061bd23c3074;p=linux-block.git 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 Link: https://lore.kernel.org/r/20200908123702.88454-13-nbd@nbd.name Signed-off-by: Johannes Berg --- diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 07c4dd7ab55f..d3c43420779c 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -1096,12 +1096,14 @@ ieee80211_info_get_tx_time_est(struct ieee80211_tx_info *info) * @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; }; /** diff --git a/net/mac80211/status.c b/net/mac80211/status.c index 28df5d02e449..7fe5bececfd9 100644 --- a/net/mac80211/status.c +++ b/net/mac80211/status.c @@ -1044,7 +1044,10 @@ static void __ieee80211_tx_status(struct ieee80211_hw *hw, * 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; } @@ -1173,7 +1176,10 @@ 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);