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Message-Id: <20241006065616.2563243-2-dongml2@chinatelecom.cn>
Date: Sun, 6 Oct 2024 14:56:05 +0800
From: Menglong Dong <menglong8.dong@...il.com>
To: idosch@...dia.com,
kuba@...nel.org,
aleksander.lobakin@...el.com,
horms@...nel.org
Cc: davem@...emloft.net,
edumazet@...gle.com,
pabeni@...hat.com,
dsahern@...nel.org,
dongml2@...natelecom.cn,
amcohen@...dia.com,
gnault@...hat.com,
bpoirier@...dia.com,
b.galvani@...il.com,
razor@...ckwall.org,
petrm@...dia.com,
linux-kernel@...r.kernel.org,
netdev@...r.kernel.org
Subject: [PATCH net-next v5 01/12] net: skb: add pskb_network_may_pull_reason() helper
Introduce the function pskb_network_may_pull_reason() and make
pskb_network_may_pull() a simple inline call to it. The drop reasons of
it just come from pskb_may_pull_reason.
Signed-off-by: Menglong Dong <dongml2@...natelecom.cn>
Reviewed-by: Simon Horman <horms@...nel.org>
---
include/linux/skbuff.h | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 39f1d16f3628..48f1e0fa2a13 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -3130,9 +3130,15 @@ static inline int skb_inner_network_offset(const struct sk_buff *skb)
return skb_inner_network_header(skb) - skb->data;
}
+static inline enum skb_drop_reason
+pskb_network_may_pull_reason(struct sk_buff *skb, unsigned int len)
+{
+ return pskb_may_pull_reason(skb, skb_network_offset(skb) + len);
+}
+
static inline int pskb_network_may_pull(struct sk_buff *skb, unsigned int len)
{
- return pskb_may_pull(skb, skb_network_offset(skb) + len);
+ return pskb_network_may_pull_reason(skb, len) == SKB_NOT_DROPPED_YET;
}
/*
--
2.39.5
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