Files
linux/include/net
Victor Nogueira 42f39036cd net/sched: act_mirred: Allow mirred to block
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

Co-developed-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Co-developed-by: Pedro Tammela <pctammela@mojatatu.com>
Signed-off-by: Pedro Tammela <pctammela@mojatatu.com>
Signed-off-by: Victor Nogueira <victor@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-12-26 21:20:09 +00:00
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