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datapath: distinguish between the dropped and consumed skb

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distinguish between the dropped and consumed skb, not assume the skb
is consumed always

Cc: Thomas Graf <tgraf@noironetworks.com>
Cc: Pravin Shelar <pshelar@nicira.com>
Signed-off-by: Li RongQing <roy.qing.li@gmail.com>
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
This commit is contained in:
Li RongQing
2014-09-07 14:49:02 -07:00
committed by Pravin B Shelar
parent f1112037df
commit a7d607c58d
1 changed files with 8 additions and 2 deletions
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10
datapath/datapath.c
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@@ -269,13 +269,19 @@ void ovs_dp_process_packet(struct sk_buff *skb)
&n_mask_hit);
if (unlikely(!flow)) {
struct dp_upcall_info upcall;
int error;
upcall.cmd = OVS_PACKET_CMD_MISS;
upcall.userdata = NULL;
upcall.portid = ovs_vport_find_upcall_portid(p, skb);
upcall.egress_tun_info = NULL;
ovs_dp_upcall(dp, skb, &upcall);
consume_skb(skb);
error = ovs_dp_upcall(dp, skb, &upcall);
if (unlikely(error))
kfree_skb(skb);
else
consume_skb(skb);
stats_counter = &stats->n_missed;
goto out;
}