From: Jamal Hadi Salim <j...@mojatatu.com> Date: Sun, 18 Sep 2016 07:31:43 -0400
> From: Jamal Hadi Salim <j...@mojatatu.com> > > Sample use case of how this is encoded: > user space via tuntap (or a connected VM/Machine/container) > encodes the tcindex TLV. > > Sample use case of decoding: > IFE action decodes it and the skb->tc_index is then used to classify. > So something like this for encoded ICMP packets: > > .. first decode then reclassify... skb->tcindex will be set > sudo $TC filter add dev $ETH parent ffff: prio 2 protocol 0xbeef \ > u32 match u32 0 0 flowid 1:1 \ > action ife decode reclassify > > ...next match the decode icmp packet... > sudo $TC filter add dev $ETH parent ffff: prio 4 protocol ip \ > u32 match ip protocol 1 0xff flowid 1:1 \ > action continue > > ... last classify it using the tcindex classifier and do someaction.. > sudo $TC filter add dev $ETH parent ffff: prio 5 protocol ip \ > handle 0x11 tcindex classid 1:1 \ > action blah.. > > Signed-off-by: Jamal Hadi Salim <j...@mojatatu.com> Applied.
