From: David Ahern <dsahern@kernel.org>
To: menglong8.dong@gmail.com
Cc: rostedt@goodmis.org, mingo@redhat.com, davem@davemloft.net,
kuba@kernel.org, yoshfuji@linux-ipv6.org, imagedong@tencent.com,
edumazet@google.com, alobakin@pm.me, cong.wang@bytedance.com,
paulb@nvidia.com, talalahmad@google.com, keescook@chromium.org,
ilias.apalodimas@linaro.org, memxor@gmail.com,
flyingpeng@tencent.com, mengensun@tencent.com,
daniel@iogearbox.net, yajun.deng@linux.dev, roopa@nvidia.com,
linux-kernel@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: [PATCH net-next v2 2/3] net: neigh: use kfree_skb_reason() for __neigh_event_send()
Date: Fri, 25 Feb 2022 08:39:17 -0700 [thread overview]
Message-ID: <aa952972-7041-26a8-e758-3f2801dff534@kernel.org> (raw)
In-Reply-To: <20220225071739.1956657-3-imagedong@tencent.com>
On 2/25/22 12:17 AM, menglong8.dong@gmail.com wrote:
> From: Menglong Dong <imagedong@tencent.com>
>
> Replace kfree_skb() used in __neigh_event_send() with
> kfree_skb_reason(). Following drop reasons are added:
>
> SKB_DROP_REASON_NEIGH_FAILED
> SKB_DROP_REASON_NEIGH_QUEUEFULL
> SKB_DROP_REASON_NEIGH_DEAD
>
> The first two reasons above should be the hot path that skb drops
> in neighbour subsystem.
>
> Reviewed-by: Mengen Sun <mengensun@tencent.com>
> Reviewed-by: Hao Peng <flyingpeng@tencent.com>
> Signed-off-by: Menglong Dong <imagedong@tencent.com>
> ---
> v2:
> - introduce the new drop reason 'SKB_DROP_REASON_NEIGH_DEAD'
> - simplify the document for the new drop reasons
> ---
> include/linux/skbuff.h | 5 +++++
> include/trace/events/skb.h | 3 +++
> net/core/neighbour.c | 6 +++---
> 3 files changed, 11 insertions(+), 3 deletions(-)
>
Reviewed-by: David Ahern <dsahern@kernel.org>
next prev parent reply other threads:[~2022-02-25 15:39 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-25 7:17 [PATCH net-next v2 0/3] net: use kfree_skb_reason() for ip/neighbour menglong8.dong
2022-02-25 7:17 ` [PATCH net-next v2 1/3] net: ip: add skb drop reasons for ip egress path menglong8.dong
2022-02-25 15:42 ` David Ahern
2022-02-25 7:17 ` [PATCH net-next v2 2/3] net: neigh: use kfree_skb_reason() for __neigh_event_send() menglong8.dong
2022-02-25 15:39 ` David Ahern [this message]
2022-02-25 7:17 ` [PATCH net-next v2 3/3] net: neigh: add skb drop reasons to arp_error_report() menglong8.dong
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