netdev - Re: [PATCH iproute2 net-next v2] bpf: add support for generic xdp

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Date:   Mon, 01 May 2017 19:33:47 +0200
From:   Daniel Borkmann <daniel@...earbox.net>
To:     Stephen Hemminger <stephen@...workplumber.org>
CC:     alexei.starovoitov@...il.com, davem@...emloft.net,
        netdev@...r.kernel.org, quentin.monnet@...nd.com
Subject: Re: [PATCH iproute2 net-next v2] bpf: add support for generic xdp

[ +Quentin ]

On 05/01/2017 06:29 PM, Stephen Hemminger wrote:
> On Fri, 28 Apr 2017 15:44:29 +0200
> Daniel Borkmann <daniel@...earbox.net> wrote:
>
>> Follow-up to commit c7272ca72009 ("bpf: add initial support for
>> attaching xdp progs") to also support generic XDP. This adds an
>> indicator for loaded generic XDP programs when programs are loaded
>> as shown in c7272ca72009, but the driver still lacks native XDP
>> support.
>>
>>    # ip link
>>    [...]
>>    3: eno1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 xdpgeneric qdisc [...]
>>        link/ether 0c:c4:7a:03:f9:25 brd ff:ff:ff:ff:ff:ff
>>    [...]
>>
>> In case the driver does support native XDP, but the user wants
>> to load the program as generic XDP (e.g. for testing purposes),
>> then this can be done with the same semantics as in c7272ca72009,
>> but with 'xdpgeneric' instead of 'xdp' command for loading:
>>
>>    # ip -force link set dev eno1 xdpgeneric obj xdp.o
>>
>> Signed-off-by: Daniel Borkmann <daniel@...earbox.net>
>
> Applied, thanks for remembering to update man page.

No problem, thanks!

> Does bash-completion need update?

Yeah, so far there's only a bash completion for the tc tool
in the tree, but nothing else. Is there anything in the works
for covering other tools, Quentin?

Thanks again,
Daniel