linux-kernel - Re: [PATCH bpf-next v2] bpf: Allow to use kfunc XDP hints and frags together

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Date:   Fri, 15 Sep 2023 12:26:34 -0700
From:   Martin KaFai Lau <martin.lau@...ux.dev>
To:     Larysa Zaremba <larysa.zaremba@...el.com>
Cc:     Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>,
        Song Liu <song@...nel.org>,
        Yonghong Song <yonghong.song@...ux.dev>,
        John Fastabend <john.fastabend@...il.com>,
        KP Singh <kpsingh@...nel.org>,
        Stanislav Fomichev <sdf@...gle.com>,
        Hao Luo <haoluo@...gle.com>, Jiri Olsa <jolsa@...nel.org>,
        linux-kernel@...r.kernel.org,
        Maciej Fijalkowski <maciej.fijalkowski@...el.com>,
        bpf@...r.kernel.org
Subject: Re: [PATCH bpf-next v2] bpf: Allow to use kfunc XDP hints and frags
 together

On 9/15/23 1:39 AM, Larysa Zaremba wrote:
> There is no fundamental reason, why multi-buffer XDP and XDP kfunc RX hints
> cannot coexist in a single program.
> 
> Allow those features to be used together by modifying the flags condition
> for dev-bound-only programs, segments are still prohibited for fully
> offloaded programs, hence additional check.

Applied. Please do follow up with a test. Thanks.