From: David Miller <davem@davemloft.net>
To: msekleta@redhat.com
Cc: netdev@vger.kernel.org, daniel@iogearbox.net, ast@plumgrid.com,
jpirko@redhat.com
Subject: Re: [PATCH net-next v3] filter: introduce SKF_AD_VLAN_TPID BPF extension
Date: Tue, 24 Mar 2015 15:26:41 -0400 (EDT) [thread overview]
Message-ID: <20150324.152641.1956497494389302908.davem@davemloft.net> (raw)
In-Reply-To: <1427204921-14535-1-git-send-email-msekleta@redhat.com>
From: Michal Sekletar <msekleta@redhat.com>
Date: Tue, 24 Mar 2015 14:48:41 +0100
> If vlan offloading takes place then vlan header is removed from frame
> and its contents, both vlan_tci and vlan_proto, is available to user
> space via TPACKET interface. However, only vlan_tci can be used in BPF
> filters.
>
> This commit introduces a new BPF extension. It makes possible to load
> the value of vlan_proto (vlan TPID) to register A. Support for classic
> BPF and eBPF is being added, analogous to skb->protocol.
>
> Cc: Daniel Borkmann <daniel@iogearbox.net>
> Cc: Alexei Starovoitov <ast@plumgrid.com>
> Cc: Jiri Pirko <jpirko@redhat.com>
>
> Signed-off-by: Michal Sekletar <msekleta@redhat.com>
Applied.
prev parent reply other threads:[~2015-03-24 19:26 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-24 13:48 [PATCH net-next v3] filter: introduce SKF_AD_VLAN_TPID BPF extension Michal Sekletar
2015-03-24 13:55 ` Daniel Borkmann
2015-03-24 15:17 ` Alexei Starovoitov
2015-03-24 15:44 ` Jiri Pirko
2015-03-24 19:26 ` David Miller [this message]
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