From: John Fastabend <john.fastabend@gmail.com>
To: Cong Wang <xiyou.wangcong@gmail.com>, Amir Vadai <amir@vadai.me>
Cc: Jamal Hadi Salim <jhs@mojatatu.com>,
Jiri Pirko <jiri@mellanox.com>,
Linux Kernel Network Developers <netdev@vger.kernel.org>,
Or Gerlitz <ogerlitz@mellanox.com>,
Hadar Har-Zion <hadarh@mellanox.com>,
Oded Shanoon <odeds@mellanox.com>,
Amir Vadai <amirva@mellanox.com>
Subject: Re: [RFC net-next 0/2] net/sched: cls_flower, act_mirred: VXLAN redirect using TC
Date: Sun, 14 Aug 2016 22:05:31 -0700 [thread overview]
Message-ID: <57B14D9B.8040802@gmail.com> (raw)
In-Reply-To: <CAM_iQpXetPgj_nCdYL73r_2hDRmnCpa0-WrxN-UbwBsdFgouiQ@mail.gmail.com>
On 16-08-14 10:53 AM, Cong Wang wrote:
> On Sun, Aug 14, 2016 at 7:06 AM, Amir Vadai <amir@vadai.me> wrote:
>> tc qdisc add dev $ETH ingress
>>
>> # ENCAP rule for ARP
>> tc filter add dev $ETH protocol 0x806 parent ffff: prio 11 \
>> flower \
>> action mirred egress redirect dev $VXLAN enc_src_ip 11.11.0.1 enc_dst_ip 11.11.0.2 enc_key_id 11 enc_dst_port 4789
>>
>> # ENCAP rule for ICMP
>> tc filter add dev $ETH protocol ip parent ffff: prio 10 \
>> flower ip_proto 1 \
>> action mirred egress redirect dev $VXLAN enc_src_ip 11.11.0.1 enc_dst_ip 11.11.0.2 enc_key_id 11 enc_dst_port 4789
>>
>
> I don't like this. This makes mirred action unnecessarily
> complex, it should really just mirror or redirect packets as
> it is, why it should be aware of tunnel information?
>
> I think you probably need to introduce a new tc action
> for these tunnel information and pipe it to mirred.
>
I agree how about a set_tunnel_key() action it could be very
similar to the bpf helper routine. Then you can string it
together with other actions easily.
.John
next prev parent reply other threads:[~2016-08-15 5:05 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-14 14:06 [RFC net-next 0/2] net/sched: cls_flower, act_mirred: VXLAN redirect using TC Amir Vadai
2016-08-14 14:06 ` [RFC net-next 1/2] net/sched: cls_flower: Introduce classify by vxlan outer headers Amir Vadai
2016-08-14 14:06 ` [RFC net-next 2/2] net/sched: act_mirred: Introduce vxlan support Amir Vadai
2016-08-14 17:53 ` [RFC net-next 0/2] net/sched: cls_flower, act_mirred: VXLAN redirect using TC Cong Wang
2016-08-15 5:05 ` John Fastabend [this message]
2016-08-15 7:11 ` Jiri Pirko
2016-08-15 8:17 ` Amir Vadai
2016-08-15 9:08 ` Amir Vadai
2016-08-15 9:48 ` Jiri Pirko
2016-08-15 9:50 ` Shmulik Ladkani
2016-08-15 9:58 ` Amir Vadai
2016-08-15 10:42 ` Shmulik Ladkani
2016-08-15 10:08 ` Jamal Hadi Salim
2016-08-15 10:24 ` Shmulik Ladkani
2016-08-15 10:41 ` Jamal Hadi Salim
2016-08-15 11:36 ` Amir Vadai
2016-08-15 16:35 ` John Fastabend
2016-08-15 12:34 ` Jiri Pirko
2016-08-15 12:59 ` Amir Vadai
2016-08-15 16:37 ` John Fastabend
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