From: Dongli Zhang <dongli.zhang@oracle.com>
To: netdev@vger.kernel.org, bpf@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, davem@davemloft.net,
kuba@kernel.org, rostedt@goodmis.org, mingo@redhat.com,
ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org,
imagedong@tencent.com, joao.m.martins@oracle.com,
joe.jin@oracle.com, dsahern@gmail.com, edumazet@google.com
Subject: [PATCH net-next v4 1/4] skbuff: introduce kfree_skb_list_reason()
Date: Sat, 26 Feb 2022 00:49:26 -0800 [thread overview]
Message-ID: <20220226084929.6417-2-dongli.zhang@oracle.com> (raw)
In-Reply-To: <20220226084929.6417-1-dongli.zhang@oracle.com>
This is to introduce kfree_skb_list_reason() to drop a list of sk_buff with
a specific reason.
Cc: Joao Martins <joao.m.martins@oracle.com>
Cc: Joe Jin <joe.jin@oracle.com>
Signed-off-by: Dongli Zhang <dongli.zhang@oracle.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
---
include/linux/skbuff.h | 2 ++
net/core/skbuff.c | 11 +++++++++--
2 files changed, 11 insertions(+), 2 deletions(-)
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 31be38078918..bc3f7822110c 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -1176,6 +1176,8 @@ static inline void kfree_skb(struct sk_buff *skb)
}
void skb_release_head_state(struct sk_buff *skb);
+void kfree_skb_list_reason(struct sk_buff *segs,
+ enum skb_drop_reason reason);
void kfree_skb_list(struct sk_buff *segs);
void skb_dump(const char *level, const struct sk_buff *skb, bool full_pkt);
void skb_tx_error(struct sk_buff *skb);
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index b32c5d782fe1..b4193eab3083 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -777,15 +777,22 @@ void kfree_skb_reason(struct sk_buff *skb, enum skb_drop_reason reason)
}
EXPORT_SYMBOL(kfree_skb_reason);
-void kfree_skb_list(struct sk_buff *segs)
+void kfree_skb_list_reason(struct sk_buff *segs,
+ enum skb_drop_reason reason)
{
while (segs) {
struct sk_buff *next = segs->next;
- kfree_skb(segs);
+ kfree_skb_reason(segs, reason);
segs = next;
}
}
+EXPORT_SYMBOL(kfree_skb_list_reason);
+
+void kfree_skb_list(struct sk_buff *segs)
+{
+ kfree_skb_list_reason(segs, SKB_DROP_REASON_NOT_SPECIFIED);
+}
EXPORT_SYMBOL(kfree_skb_list);
/* Dump skb information and contents.
--
2.17.1
next prev parent reply other threads:[~2022-02-26 8:51 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-26 8:49 [PATCH net-next v4 0/4] tun/tap: use kfree_skb_reason() to trace dropped skb Dongli Zhang
2022-02-26 8:49 ` Dongli Zhang [this message]
2022-03-02 2:34 ` [PATCH net-next v4 1/4] skbuff: introduce kfree_skb_list_reason() Jakub Kicinski
2022-03-02 16:49 ` Dongli Zhang
2022-02-26 8:49 ` [PATCH net-next v4 2/4] net: tap: track dropped skb via kfree_skb_reason() Dongli Zhang
2022-03-02 2:42 ` Jakub Kicinski
2022-03-02 17:43 ` Dongli Zhang
2022-03-02 19:03 ` Jakub Kicinski
2022-03-02 21:44 ` Dongli Zhang
2022-02-26 8:49 ` [PATCH net-next v4 3/4] net: tun: split run_ebpf_filter() and pskb_trim() into different "if statement" Dongli Zhang
2022-02-26 8:49 ` [PATCH net-next v4 4/4] net: tun: track dropped skb via kfree_skb_reason() Dongli Zhang
2022-02-28 1:20 ` David Ahern
2022-03-02 2:50 ` Jakub Kicinski
2022-03-02 3:29 ` David Ahern
2022-03-02 4:16 ` [Internet]Re: " imagedong(董梦龙)
2022-03-02 18:26 ` Dongli Zhang
2022-03-02 19:22 ` Jakub Kicinski
2022-03-02 18:19 ` Dongli Zhang
2022-03-02 19:17 ` Jakub Kicinski
2022-03-02 22:21 ` Dongli Zhang
2022-03-03 5:21 ` Jakub Kicinski
2022-03-03 5:55 ` Dongli Zhang
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