netdev - Re: [PATCH bpf v3 0/4] bpf, sockmap: Fix some issues with using apply

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Date:   Tue, 29 Nov 2022 20:14:45 +0100
From:   Jakub Sitnicki <jakub@...udflare.com>
To:     Pengcheng Yang <yangpc@...gsu.com>
Cc:     bpf@...r.kernel.org, netdev@...r.kernel.org,
        John Fastabend <john.fastabend@...il.com>,
        Daniel Borkmann <daniel@...earbox.net>,
        Lorenz Bauer <lmb@...udflare.com>
Subject: Re: [PATCH bpf v3 0/4] bpf, sockmap: Fix some issues with using
 apply_bytes

On Tue, Nov 29, 2022 at 06:40 PM +08, Pengcheng Yang wrote:
> Patch 1~3 fixes three issues with using apply_bytes when redirecting.
> Patch 4 adds ingress tests for txmsg with apply_bytes in selftests.
>
> Thanks to John Fastabend and Jakub Sitnicki for correct solution.
>
> ---
> Changes in v3:
> *Patch 2: Rename 'flags', modify based on Jakub Sitnicki's patch
>
> Changes in v2:
> *Patch 2: Clear psock->flags explicitly before releasing the sock lock
>
> Pengcheng Yang (4):
>   bpf, sockmap: Fix repeated calls to sock_put() when msg has more_data
>   bpf, sockmap: Fix missing BPF_F_INGRESS flag when using apply_bytes
>   bpf, sockmap: Fix data loss caused by using apply_bytes on ingress
>     redirect
>   selftests/bpf: Add ingress tests for txmsg with apply_bytes
>
>  include/linux/skmsg.h                      |  1 +
>  include/net/tcp.h                          |  4 ++--
>  net/core/skmsg.c                           |  9 ++++++---
>  net/ipv4/tcp_bpf.c                         | 19 ++++++++++++-------
>  net/tls/tls_sw.c                           |  6 ++++--
>  tools/testing/selftests/bpf/test_sockmap.c | 18 ++++++++++++++++++
>  6 files changed, 43 insertions(+), 14 deletions(-)

Thanks for the fixes, Pengcheng.

For the series:

Acked-by: Jakub Sitnicki <jakub@...udflare.com>