netdev - Re: [bpf-next v3 PATCH 0/3] bpf: improvements to xdp

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Message-ID: <6ed374ad-1b3d-81cc-b482-bd3acbea82f5@iogearbox.net>
Date:   Fri, 9 Aug 2019 18:08:49 +0200
From:   Daniel Borkmann <borkmann@...earbox.net>
To:     Jesper Dangaard Brouer <brouer@...hat.com>, netdev@...r.kernel.org,
        Alexei Starovoitov <alexei.starovoitov@...il.com>
Cc:     a.s.protopopov@...il.com, dsahern@...il.com,
        Toke Høiland-Jørgensen <toke@...e.dk>,
        ys114321@...il.com
Subject: Re: [bpf-next v3 PATCH 0/3] bpf: improvements to xdp_fwd sample

On 8/8/19 6:17 PM, Jesper Dangaard Brouer wrote:
> V3: Hopefully fixed all issues point out by Yonghong Song
> 
> V2: Addressed issues point out by Yonghong Song
>   - Please ACK patch 2/3 again
>   - Added ACKs and reviewed-by to other patches
> 
> This patchset is focused on improvements for XDP forwarding sample
> named xdp_fwd, which leverage the existing FIB routing tables as
> described in LPC2018[1] talk by David Ahern.
> 
> The primary motivation is to illustrate how Toke's recent work
> improves usability of XDP_REDIRECT via lookups in devmap. The other
> patches are to help users understand the sample.
> 
> I have more improvements to xdp_fwd, but those might requires changes
> to libbpf.  Thus, sending these patches first as they are isolated.
> 
> [1] http://vger.kernel.org/lpc-networking2018.html#session-1
> 
> ---
> 
> Jesper Dangaard Brouer (3):
>        samples/bpf: xdp_fwd rename devmap name to be xdp_tx_ports
>        samples/bpf: make xdp_fwd more practically usable via devmap lookup
>        samples/bpf: xdp_fwd explain bpf_fib_lookup return codes
> 
> 
>   samples/bpf/xdp_fwd_kern.c |   39 ++++++++++++++++++++++++++++++---------
>   samples/bpf/xdp_fwd_user.c |   35 +++++++++++++++++++++++------------
>   2 files changed, 53 insertions(+), 21 deletions(-)
> 
> --
> 

Applied, thanks!