[ovs-dev] [PATCH v2] Document how to match any packet with a VLAN header.

[Justin Pettit]

Now you can tell people RTFM!

Acked-by: Justin Pettit <jpettit at ovn.org>

--Justin


> On Mar 10, 2016, at 5:46 PM, Ben Pfaff <blp at ovn.org> wrote:
> 
> This one is actually useful, I don't know how I omitted it whenever I wrote
> this documentation.
> 
> Signed-off-by: Ben Pfaff <blp at ovn.org>
> ---
> Supersedes http://openvswitch.org/pipermail/dev/2016-March/067562.html
> 
> DESIGN.md                | 4 ++++
> utilities/ovs-ofctl.8.in | 5 ++++-
> 2 files changed, 8 insertions(+), 1 deletion(-)
> 
> diff --git a/DESIGN.md b/DESIGN.md
> index 6865d47..a330312 100644
> --- a/DESIGN.md
> +++ b/DESIGN.md
> @@ -426,6 +426,7 @@ version works.
>          [8]  0000/efff    <none>       <none>        <none>
>          [9]  1001/1001    <none>       <none>     1001/1001,--
>         [10]  3000/3000    <none>       <none>        <none>
> +        [11]  1000/1000    <none>     fffe/0,??/1  1000/1000,--
> 
> Each column is interpreted as follows.
> 
> @@ -512,6 +513,9 @@ The matches are:
>      is just an example; one can match on any desired VID bit
>      pattern.)
> 
> +[11] Matches any packet with an 802.1Q header, regardless of VID or
> +     PCP.
> +
> Additional notes:
> 
>   - OF1.2: The top three bits of OXM_OF_VLAN_VID are fixed to zero,
> diff --git a/utilities/ovs-ofctl.8.in b/utilities/ovs-ofctl.8.in
> index bc3ddae..1b0718d 100644
> --- a/utilities/ovs-ofctl.8.in
> +++ b/utilities/ovs-ofctl.8.in
> @@ -1051,7 +1051,10 @@ header with the CFI bit (with value \fB0x1000\fR) forced to 1.
> Examples:
> .RS
> .IP \fBvlan_tci=0\fR
> -Match only packets without an 802.1Q header.
> +Match packets without an 802.1Q header.
> +.IP \fBvlan_tci=0x1000/0x1000\fR
> +Match packets with an 802.1Q header, regardless of VLAN and priority
> +values.
> .IP \fBvlan_tci=0xf123\fR
> Match packets tagged with priority 7 in VLAN 0x123.
> .IP \fBvlan_tci=0x1123/0x1fff\fR
> -- 
> 2.1.3
> 
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