From: Stephen Hemminger <stephen@networkplumber.org>
To: Boris Sukholitko <boris.sukholitko@broadcom.com>
Cc: netdev@vger.kernel.org, "David S . Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>,
Jamal Hadi Salim <jhs@mojatatu.com>,
Cong Wang <xiyou.wangcong@gmail.com>,
Jiri Pirko <jiri@resnulli.us>,
"Gustavo A . R . Silva" <gustavoars@kernel.org>,
Vladimir Oltean <vladimir.oltean@nxp.com>,
Eric Dumazet <edumazet@google.com>,
zhang kai <zhangkaiheb@126.com>,
Yoshiki Komachi <komachi.yoshiki@gmail.com>,
Ilya Lifshits <ilya.lifshits@broadcom.com>
Subject: Re: [PATCH iproute2-next 0/2] flower: match on the number of vlan tags
Date: Mon, 11 Apr 2022 08:45:36 -0700 [thread overview]
Message-ID: <20220411084536.1f18d4ea@hermes.local> (raw)
In-Reply-To: <20220411133202.18278-1-boris.sukholitko@broadcom.com>
On Mon, 11 Apr 2022 16:32:00 +0300
Boris Sukholitko <boris.sukholitko@broadcom.com> wrote:
> Hi,
>
> Our customers in the fiber telecom world have network configurations
> where they would like to control their traffic according to the number
> of tags appearing in the packet.
>
> For example, TR247 GPON conformance test suite specification mostly
> talks about untagged, single, double tagged packets and gives lax
> guidelines on the vlan protocol vs. number of vlan tags.
>
> This is different from the common IT networks where 802.1Q and 802.1ad
> protocols are usually describe single and double tagged packet. GPON
> configurations that we work with have arbitrary mix the above protocols
> and number of vlan tags in the packet.
>
> The following patch series implement number of vlans flower filter. They
> add num_of_vlans flower filter as an alternative to vlan ethtype protocol
> matching. The end result is that the following command becomes possible:
>
> tc filter add dev eth1 ingress flower \
> num_of_vlans 1 vlan_prio 5 action drop
>
> The corresponding kernel patches are being sent separately.
>
> Thanks,
> Boris.
Maybe something custom like this is better done by small BPF program?
next prev parent reply other threads:[~2022-04-11 15:46 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-11 13:32 [PATCH iproute2-next 0/2] flower: match on the number of vlan tags Boris Sukholitko
2022-04-11 13:32 ` [PATCH iproute2-next 1/2] Add num of vlans parameter Boris Sukholitko
2022-04-11 13:32 ` [PATCH iproute2-next 2/2] Check args with num_of_vlans Boris Sukholitko
2022-04-11 15:45 ` Stephen Hemminger [this message]
2022-04-12 10:45 ` [PATCH iproute2-next 0/2] flower: match on the number of vlan tags Boris Sukholitko
2022-04-12 11:09 ` Jamal Hadi Salim
-- strict thread matches above, loose matches on Subject: below --
2022-03-23 10:58 Boris Sukholitko
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