netdev - Re: [PATCH bpf-next v6 08/12] libbpf: add flags to umem config

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Message-ID: <97813612-8FA6-4A33-B4FA-CF7A99FFC012@gmail.com>
Date:   Fri, 30 Aug 2019 08:46:26 -0700
From:   "Jonathan Lemon" <jonathan.lemon@...il.com>
To:     "Kevin Laatz" <kevin.laatz@...el.com>
Cc:     netdev@...r.kernel.org, ast@...nel.org, daniel@...earbox.net,
        bjorn.topel@...el.com, magnus.karlsson@...el.com,
        jakub.kicinski@...ronome.com, saeedm@...lanox.com,
        maximmi@...lanox.com, stephen@...workplumber.org,
        bruce.richardson@...el.com, ciara.loftus@...el.com,
        bpf@...r.kernel.org, intel-wired-lan@...ts.osuosl.org
Subject: Re: [PATCH bpf-next v6 08/12] libbpf: add flags to umem config



On 26 Aug 2019, at 19:25, Kevin Laatz wrote:

> This patch adds a 'flags' field to the umem_config and umem_reg structs.
> This will allow for more options to be added for configuring umems.
>
> The first use for the flags field is to add a flag for unaligned chunks
> mode. These flags can either be user-provided or filled with a default.
>
> Since we change the size of the xsk_umem_config struct, we need to version
> the ABI. This patch includes the ABI versioning for xsk_umem__create. The
> Makefile was also updated to handle multiple function versions in
> check-abi.
>
> Signed-off-by: Kevin Laatz <kevin.laatz@...el.com>
> Signed-off-by: Ciara Loftus <ciara.loftus@...el.com>
Acked-by: Jonathan Lemon <jonathan.lemon@...il.com>