Re: [PATCH net-next v6 3/3] net/sched: act_mirred: Allow mirred to block

[Jakub Kicinski <kuba@kernel.org>]

On Thu, 14 Dec 2023 11:10:06 -0300 Victor Nogueira wrote:
> So far the mirred action has dealt with syntax that handles mirror/redirection for netdev.
> A matching packet is redirected or mirrored to a target netdev.
> 
> In this patch we enable mirred to mirror to a tc block as well.
> IOW, the new syntax looks as follows:
> ... mirred <ingress | egress> <mirror | redirect> [index INDEX] < <blockid BLOCKID> | <dev <devname>> >
> 
> Examples of mirroring or redirecting to a tc block:
> $ tc filter add block 22 protocol ip pref 25 \
>   flower dst_ip 192.168.0.0/16 action mirred egress mirror blockid 22
> 
> $ tc filter add block 22 protocol ip pref 25 \
>   flower dst_ip 10.10.10.10/32 action mirred egress redirect blockid 22

net/sched/act_mirred.c:424:6: warning: variable 'err' set but not used [-Wunused-but-set-variable]
  424 |         int err = 0;
      |             ^
-- 
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