On Tue 10 Nov 2020 at 08:28, we...@ucloud.cn wrote: > From: wenxu <we...@ucloud.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. > > The first patch fix miss init the qdisc_skb_cb->mru > The send one refactor the hanle of xmit in act_mirred and prepare for the > third one > The last one add implict packet fragment support to fix the over mtu for > defrag in act_ct. > > wenxu (3): > net/sched: fix miss init the mru in qdisc_skb_cb > net/sched: act_mirred: refactor the handle of xmit > net/sched: act_frag: add implict packet fragment support. > > include/net/act_api.h | 16 +++++ > include/net/sch_generic.h | 5 -- > net/core/dev.c | 2 + > net/sched/Kconfig | 13 ++++ > net/sched/Makefile | 1 + > net/sched/act_api.c | 47 +++++++++++++ > net/sched/act_ct.c | 7 ++ > net/sched/act_frag.c | 164 > ++++++++++++++++++++++++++++++++++++++++++++++ > net/sched/act_mirred.c | 21 ++++-- > 9 files changed, 265 insertions(+), 11 deletions(-) > create mode 100644 net/sched/act_frag.c
Hi, I ran our CT tests with this series and kernel debug configs enabled without any issue. Tested-by: Vlad Buslov <vla...@nvidia.com>