diff options
Diffstat (limited to 'package/kernel/mac80211/patches/subsys/325-mac80211-extend-ieee80211_tx_status_ext-to-support-b.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/subsys/325-mac80211-extend-ieee80211_tx_status_ext-to-support-b.patch | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/subsys/325-mac80211-extend-ieee80211_tx_status_ext-to-support-b.patch b/package/kernel/mac80211/patches/subsys/325-mac80211-extend-ieee80211_tx_status_ext-to-support-b.patch new file mode 100644 index 0000000000..e8b29bb4c5 --- /dev/null +++ b/package/kernel/mac80211/patches/subsys/325-mac80211-extend-ieee80211_tx_status_ext-to-support-b.patch @@ -0,0 +1,53 @@ +From: Felix Fietkau <nbd@nbd.name> +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 <nbd@nbd.name> +--- + +--- a/include/net/mac80211.h ++++ b/include/net/mac80211.h +@@ -1092,12 +1092,14 @@ 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 +@@ -1053,7 +1053,10 @@ 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; + } + +@@ -1182,7 +1185,10 @@ 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); + |