netdev - Re: [PATCH bpf-next v2 0/3] AF_XDP: add socket monitoring support

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Message-ID: <47e6aff1-3292-3e07-2d5f-9a7584ce9321@iogearbox.net>
Date:   Fri, 25 Jan 2019 01:58:09 +0100
From:   Daniel Borkmann <daniel@...earbox.net>
To:     bjorn.topel@...il.com, ast@...nel.org, netdev@...r.kernel.org
Cc:     Björn Töpel <bjorn.topel@...el.com>,
        magnus.karlsson@...el.com, magnus.karlsson@...il.com
Subject: Re: [PATCH bpf-next v2 0/3] AF_XDP: add socket monitoring support

On 01/24/2019 07:59 PM, bjorn.topel@...il.com wrote:
> From: Björn Töpel <bjorn.topel@...el.com>
> 
> This series adds an AF_XDP sock_diag interface for querying sockets
> from user-space. Tools like iproute2 ss(8) can use this interface to
> list open AF_XDP sockets.
> 
> The diagnostic provides information about the Rx/Tx/fill/completetion
> rings, umem, memory usage and such. For a complete list, please refer
> to the xsk_diag.c file.
> 
> The AF_XDP sock_diag interface is optional, and can be built as a
> module.
> 
> A separate patch series, adding ss(8) iproute2 support, will follow.
> 
> v1->v2: * Removed extra newline
>         * Zero-out all user-space facing structures prior setting the
>           members
>         * Added explicit "pad" member in _msg struct
>         * Removed unused variable "req" in xsk_diag_handler_dump()
> 
> Thanks to Daniel for reviewing the series! 
> 
> Cheers,
> Björn
> 
> 
> Björn Töpel (3):
>   net: xsk: track AF_XDP sockets on a per-netns list
>   xsk: add id to umem
>   xsk: add sock_diag interface for AF_XDP
> 
>  include/net/net_namespace.h   |   4 +
>  include/net/netns/xdp.h       |  13 +++
>  include/net/xdp_sock.h        |   1 +
>  include/uapi/linux/xdp_diag.h |  72 +++++++++++++
>  net/xdp/Kconfig               |   8 ++
>  net/xdp/Makefile              |   1 +
>  net/xdp/xdp_umem.c            |  13 +++
>  net/xdp/xsk.c                 |  36 ++++++-
>  net/xdp/xsk.h                 |  12 +++
>  net/xdp/xsk_diag.c            | 191 ++++++++++++++++++++++++++++++++++
>  10 files changed, 346 insertions(+), 5 deletions(-)
>  create mode 100644 include/net/netns/xdp.h
>  create mode 100644 include/uapi/linux/xdp_diag.h
>  create mode 100644 net/xdp/xsk.h
>  create mode 100644 net/xdp/xsk_diag.c

Applied, thanks!