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Date: Thu, 5 Nov 2020 14:19:20 -0800 From: Jakub Kicinski <kuba@...nel.org> To: wenxu@...oud.cn Cc: marcelo.leitner@...il.com, netdev@...r.kernel.org Subject: Re: [PATCH v3 net-next 2/2] net/sched: act_frag: add implict packet fragment support. On Thu, 5 Nov 2020 18:41:33 +0800 wenxu@...oud.cn wrote: > From: wenxu <wenxu@...oud.cn> > > Currently kernel tc subsystem can do conntrack in act_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@...oud.cn> CHECK: Please don't use multiple blank lines #53: FILE: include/net/act_api.h:258: + + WARNING: added, moved or deleted file(s), does MAINTAINERS need updating? #186: new file mode 100644 WARNING: line length of 95 exceeds 80 columns #224: FILE: net/sched/act_frag.c:34: + __vlan_hwaccel_put_tag(skb, data->vlan_proto, data->vlan_tci & ~VLAN_CFI_MASK); WARNING: line length of 81 exceeds 80 columns #314: FILE: net/sched/act_frag.c:124: + netdev_name(skb->dev), ntohs(skb->protocol),
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