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net: make sch_handle_ingress() drop monitor ready 

TC_ACT_STOLEN is used when ingress traffic is mirred/redirected
to say ifb.

Packet is not dropped, but consumed.

Only TC_ACT_SHOT is a clear indication something went wrong.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2016-05-06 15:55:50 -07:00 committed by David S. Miller
parent acf87a3f57
commit 8a3a4c6e7b
1 changed files with 3 additions and 1 deletions
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4
net/core/dev.c
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@ -3956,9 +3956,11 @@ sch_handle_ingress(struct sk_buff *skb, struct packet_type **pt_prev, int *ret,
break;
case TC_ACT_SHOT:
qdisc_qstats_cpu_drop(cl->q);
kfree_skb(skb);
return NULL;
case TC_ACT_STOLEN:
case TC_ACT_QUEUED:
kfree_skb(skb);
consume_skb(skb);
return NULL;
case TC_ACT_REDIRECT:
/* skb_mac_header check was done by cls/act_bpf, so