wenxu c129412f74
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 >
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c129412f74