diff options
Diffstat (limited to 'package/kernel/mac80211/patches/subsys/360-mac80211-when-using-iTXQ-select-the-queue-in-ieee802.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/subsys/360-mac80211-when-using-iTXQ-select-the-queue-in-ieee802.patch | 183 |
1 files changed, 0 insertions, 183 deletions
diff --git a/package/kernel/mac80211/patches/subsys/360-mac80211-when-using-iTXQ-select-the-queue-in-ieee802.patch b/package/kernel/mac80211/patches/subsys/360-mac80211-when-using-iTXQ-select-the-queue-in-ieee802.patch deleted file mode 100644 index bb3af7317a..0000000000 --- a/package/kernel/mac80211/patches/subsys/360-mac80211-when-using-iTXQ-select-the-queue-in-ieee802.patch +++ /dev/null @@ -1,183 +0,0 @@ -From: Felix Fietkau <nbd@nbd.name> -Date: Fri, 22 Mar 2019 18:06:03 +0100 -Subject: [PATCH] mac80211: when using iTXQ, select the queue in - ieee80211_subif_start_xmit - -When using iTXQ, the network stack does not need the real queue number, since -mac80211 is using its internal queues anyway. In that case we can defer -selecting the queue and remove a redundant station lookup in the tx path to save -some CPU cycles. - -Signed-off-by: Felix Fietkau <nbd@nbd.name> ---- - ---- a/net/mac80211/tx.c -+++ b/net/mac80211/tx.c -@@ -3753,6 +3753,7 @@ void __ieee80211_subif_start_xmit(struct - u32 info_flags) - { - struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); -+ struct ieee80211_local *local = sdata->local; - struct sta_info *sta; - struct sk_buff *next; - -@@ -3766,7 +3767,15 @@ void __ieee80211_subif_start_xmit(struct - if (ieee80211_lookup_ra_sta(sdata, skb, &sta)) - goto out_free; - -- if (!IS_ERR_OR_NULL(sta)) { -+ if (IS_ERR(sta)) -+ sta = NULL; -+ -+ if (local->ops->wake_tx_queue) { -+ u16 queue = __ieee80211_select_queue(sdata, sta, skb); -+ skb_set_queue_mapping(skb, queue); -+ } -+ -+ if (sta) { - struct ieee80211_fast_tx *fast_tx; - - /* We need a bit of data queued to build aggregates properly, so ---- a/net/mac80211/wme.c -+++ b/net/mac80211/wme.c -@@ -141,6 +141,42 @@ u16 ieee80211_select_queue_80211(struct - return ieee80211_downgrade_queue(sdata, NULL, skb); - } - -+u16 __ieee80211_select_queue(struct ieee80211_sub_if_data *sdata, -+ struct sta_info *sta, struct sk_buff *skb) -+{ -+ struct mac80211_qos_map *qos_map; -+ bool qos; -+ -+ /* all mesh/ocb stations are required to support WME */ -+ if (sdata->vif.type == NL80211_IFTYPE_MESH_POINT || -+ sdata->vif.type == NL80211_IFTYPE_OCB) -+ qos = true; -+ else if (sta) -+ qos = sta->sta.wme; -+ else -+ qos = false; -+ -+ if (!qos) { -+ skb->priority = 0; /* required for correct WPA/11i MIC */ -+ return IEEE80211_AC_BE; -+ } -+ -+ if (skb->protocol == sdata->control_port_protocol) { -+ skb->priority = 7; -+ goto downgrade; -+ } -+ -+ /* use the data classifier to determine what 802.1d tag the -+ * data frame has */ -+ qos_map = rcu_dereference(sdata->qos_map); -+ skb->priority = cfg80211_classify8021d(skb, qos_map ? -+ &qos_map->qos_map : NULL); -+ -+ downgrade: -+ return ieee80211_downgrade_queue(sdata, sta, skb); -+} -+ -+ - /* Indicate which queue to use. */ - u16 ieee80211_select_queue(struct ieee80211_sub_if_data *sdata, - struct sk_buff *skb) -@@ -148,10 +184,12 @@ u16 ieee80211_select_queue(struct ieee80 - struct ieee80211_local *local = sdata->local; - struct sta_info *sta = NULL; - const u8 *ra = NULL; -- bool qos = false; -- struct mac80211_qos_map *qos_map; - u16 ret; - -+ /* when using iTXQ, we can do this later */ -+ if (local->ops->wake_tx_queue) -+ return 0; -+ - if (local->hw.queues < IEEE80211_NUM_ACS || skb->len < 6) { - skb->priority = 0; /* required for correct WPA/11i MIC */ - return 0; -@@ -161,10 +199,8 @@ u16 ieee80211_select_queue(struct ieee80 - switch (sdata->vif.type) { - case NL80211_IFTYPE_AP_VLAN: - sta = rcu_dereference(sdata->u.vlan.sta); -- if (sta) { -- qos = sta->sta.wme; -+ if (sta) - break; -- } - /* fall through */ - case NL80211_IFTYPE_AP: - ra = skb->data; -@@ -172,56 +208,26 @@ u16 ieee80211_select_queue(struct ieee80 - case NL80211_IFTYPE_WDS: - ra = sdata->u.wds.remote_addr; - break; --#ifdef CPTCFG_MAC80211_MESH -- case NL80211_IFTYPE_MESH_POINT: -- qos = true; -- break; --#endif - case NL80211_IFTYPE_STATION: - /* might be a TDLS station */ - sta = sta_info_get(sdata, skb->data); - if (sta) -- qos = sta->sta.wme; -+ break; - - ra = sdata->u.mgd.bssid; - break; - case NL80211_IFTYPE_ADHOC: - ra = skb->data; - break; -- case NL80211_IFTYPE_OCB: -- /* all stations are required to support WME */ -- qos = true; -- break; - default: - break; - } - -- if (!sta && ra && !is_multicast_ether_addr(ra)) { -+ if (!sta && ra && !is_multicast_ether_addr(ra)) - sta = sta_info_get(sdata, ra); -- if (sta) -- qos = sta->sta.wme; -- } - -- if (!qos) { -- skb->priority = 0; /* required for correct WPA/11i MIC */ -- ret = IEEE80211_AC_BE; -- goto out; -- } -+ ret = __ieee80211_select_queue(sdata, sta, skb); - -- if (skb->protocol == sdata->control_port_protocol) { -- skb->priority = 7; -- goto downgrade; -- } -- -- /* use the data classifier to determine what 802.1d tag the -- * data frame has */ -- qos_map = rcu_dereference(sdata->qos_map); -- skb->priority = cfg80211_classify8021d(skb, qos_map ? -- &qos_map->qos_map : NULL); -- -- downgrade: -- ret = ieee80211_downgrade_queue(sdata, sta, skb); -- out: - rcu_read_unlock(); - return ret; - } ---- a/net/mac80211/wme.h -+++ b/net/mac80211/wme.h -@@ -16,6 +16,8 @@ - u16 ieee80211_select_queue_80211(struct ieee80211_sub_if_data *sdata, - struct sk_buff *skb, - struct ieee80211_hdr *hdr); -+u16 __ieee80211_select_queue(struct ieee80211_sub_if_data *sdata, -+ struct sta_info *sta, struct sk_buff *skb); - u16 ieee80211_select_queue(struct ieee80211_sub_if_data *sdata, - struct sk_buff *skb); - void ieee80211_set_qos_hdr(struct ieee80211_sub_if_data *sdata, |