netdev - Re: [PATCH net-next 0/6] AF_XDP infrastructure improvements

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Date:   Fri, 26 Apr 2019 22:25:04 +0200
From:   Björn Töpel <bjorn.topel@...el.com>
To:     Maxim Mikityanskiy <maximmi@...lanox.com>,
        "David S. Miller" <davem@...emloft.net>,
        Magnus Karlsson <magnus.karlsson@...el.com>
Cc:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        Saeed Mahameed <saeedm@...lanox.com>,
        Jonathan Lemon <bsd@...com>,
        Eran Ben Elisha <eranbe@...lanox.com>,
        Tariq Toukan <tariqt@...lanox.com>
Subject: Re: [PATCH net-next 0/6] AF_XDP infrastructure improvements

On 2019-04-26 13:42, Maxim Mikityanskiy wrote:
> This series contains improvements to the AF_XDP kernel infrastructure.
> They are required for the upcoming AF_XDP support in mlx5e, but also
> some of them benefit to all drivers, and some can be useful for other
> drivers that want to implement AF_XDP.
>,

Maxim,

Firstly; It's exciting to see Mellanox continuing to invest in XDP/BPF!
Keep it up!

I'll comment on the individual patches. Going forward, please rebase/tag
the patches to bpf-next (and add the bpf mailing list).


Cheers,
Björn


> Maxim Mikityanskiy (6):
>    samples/bpf: Add hbm to .gitignore
>    xsk: Add API to check for available entries in FQ
>    xsk: Add getsockopt XDP_OPTIONS
>    xsk: Extend channels to support combined XSK/non-XSK traffic
>    xsk: Change the default frame size to 4096 and allow controlling it
>    xsk: Return the whole xdp_desc from xsk_umem_consume_tx
> 
>   drivers/net/ethernet/intel/i40e/i40e_xsk.c   |  12 +-
>   drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c |  15 ++-
>   include/net/xdp_sock.h                       |  28 +++-
>   include/uapi/linux/if_xdp.h                  |  18 +++
>   net/xdp/xsk.c                                |  45 +++++--
>   net/xdp/xsk_queue.h                          |  15 +++
>   samples/bpf/.gitignore                       |   1 +
>   samples/bpf/xdpsock_user.c                   |  47 +++++--
>   tools/include/uapi/linux/if_xdp.h            |  18 +++
>   tools/lib/bpf/xsk.c                          | 127 +++++++++++++++----
>   tools/lib/bpf/xsk.h                          |   6 +-
>   11 files changed, 267 insertions(+), 65 deletions(-)
>