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authorwenxu <wenxu@ucloud.cn>2020-11-25 07:01:23 +0300
committerJakub Kicinski <kuba@kernel.org>2020-11-28 01:36:02 +0300
commitc129412f74e99b609f0a8e95fc3915af1fd40f34 (patch)
tree05c6360e02fed40ef5dd599c1974414b639cb7e7 /net/sched/act_mirred.c
parentfa6d639930ee5cd3f932cc314f3407f07a06582d (diff)
downloadlinux-c129412f74e99b609f0a8e95fc3915af1fd40f34.tar.xz
net/sched: sch_frag: add generic packet fragment support.
Currently kernel tc subsystem can do conntrack in cat_ct. But when several fragment packets go through the act_ct, function tcf_ct_handle_fragments will defrag the packets to a big one. But the last action will redirect mirred to a device which maybe lead the reassembly big packet over the mtu of target device. This patch add support for a xmit hook to mirred, that gets executed before xmiting the packet. Then, when act_ct gets loaded, it configs that hook. The frag xmit hook maybe reused by other modules. Signed-off-by: wenxu <wenxu@ucloud.cn> Acked-by: Cong Wang <cong.wang@bytedance.com> Acked-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/sched/act_mirred.c')
-rw-r--r--net/sched/act_mirred.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c
index 17d00958047e..7153c67f641e 100644
--- a/net/sched/act_mirred.c
+++ b/net/sched/act_mirred.c
@@ -210,7 +210,7 @@ static int tcf_mirred_forward(bool want_ingress, struct sk_buff *skb)
int err;
if (!want_ingress)
- err = dev_queue_xmit(skb);
+ err = tcf_dev_queue_xmit(skb, dev_queue_xmit);
else
err = netif_receive_skb(skb);