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net/sched: act_mirred: refactor the handle of xmit 

This one is prepare for the next patch.

Signed-off-by: wenxu <wenxu@ucloud.cn>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
wenxu 2020-11-25 12:01:22 +08:00 committed by Jakub Kicinski
parent aadaca9e7c
commit fa6d639930
2 changed files with 15 additions and 11 deletions
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5
include/net/sch_generic.h
View File

@ -1281,9 +1281,4 @@ 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);
}
#endif

21
net/sched/act_mirred.c
View File

@ -205,6 +205,18 @@ release_idr:
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)
{
@ -287,18 +299,15 @@ 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);