[PATCH 5.10 1/3] net/sched: act_mirred: refactor the handle of xmit

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From: wenxu <wenxu@xxxxxxxxx>

[ Upstream commit fa6d639930ee5cd3f932cc314f3407f07a06582d ]

This one is prepare for the next patch.

Signed-off-by: wenxu <wenxu@xxxxxxxxx>
Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx>
[DP: adjusted context for linux-5.10.y]
Signed-off-by: Dragos-Marian Panait <dragos.panait@xxxxxxxxxxxxx>
---
 include/net/sch_generic.h |  5 -----
 net/sched/act_mirred.c    | 21 +++++++++++++++------
 2 files changed, 15 insertions(+), 11 deletions(-)

diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index 61cd19ee51f4..a62677be7452 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -1320,11 +1320,6 @@ void mini_qdisc_pair_init(struct mini_Qdisc_pair *miniqp, struct Qdisc *qdisc,
 void mini_qdisc_pair_block_init(struct mini_Qdisc_pair *miniqp,
 				struct tcf_block *block);
 
-static inline int skb_tc_reinsert(struct sk_buff *skb, struct tcf_result *res)
-{
-	return res->ingress ? netif_receive_skb(skb) : dev_queue_xmit(skb);
-}
-
 /* Make sure qdisc is no longer in SCHED state. */
 static inline void qdisc_synchronize(const struct Qdisc *q)
 {
diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c
index 24d561d8d9c9..53594b0466eb 100644
--- a/net/sched/act_mirred.c
+++ b/net/sched/act_mirred.c
@@ -206,6 +206,18 @@ static int tcf_mirred_init(struct net *net, struct nlattr *nla,
 	return err;
 }
 
+static int tcf_mirred_forward(bool want_ingress, struct sk_buff *skb)
+{
+	int err;
+
+	if (!want_ingress)
+		err = dev_queue_xmit(skb);
+	else
+		err = netif_receive_skb(skb);
+
+	return err;
+}
+
 static int tcf_mirred_act(struct sk_buff *skb, const struct tc_action *a,
 			  struct tcf_result *res)
 {
@@ -295,18 +307,15 @@ static int tcf_mirred_act(struct sk_buff *skb, const struct tc_action *a,
 		/* let's the caller reinsert the packet, if possible */
 		if (use_reinsert) {
 			res->ingress = want_ingress;
-			if (skb_tc_reinsert(skb, res))
+			err = tcf_mirred_forward(res->ingress, skb);
+			if (err)
 				tcf_action_inc_overlimit_qstats(&m->common);
 			__this_cpu_dec(mirred_rec_level);
 			return TC_ACT_CONSUMED;
 		}
 	}
 
-	if (!want_ingress)
-		err = dev_queue_xmit(skb2);
-	else
-		err = netif_receive_skb(skb2);
-
+	err = tcf_mirred_forward(want_ingress, skb2);
 	if (err) {
 out:
 		tcf_action_inc_overlimit_qstats(&m->common);
-- 
2.40.1




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