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net: tunnel: add pskb_inet_may_pull_reason() helper

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Introduce the function pskb_inet_may_pull_reason() and make
pskb_inet_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@chinatelecom.cn>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Menglong Dong
2024-10-09 10:28:20 +08:00
committed by David S. Miller
parent 454bbde8f0
commit 7f20dbd7de
1 changed files with 8 additions and 2 deletions
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10
include/net/ip_tunnels.h
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@@ -439,7 +439,8 @@ int ip_tunnel_encap_del_ops(const struct ip_tunnel_encap_ops *op,
int ip_tunnel_encap_setup(struct ip_tunnel *t,
struct ip_tunnel_encap *ipencap);
static inline bool pskb_inet_may_pull(struct sk_buff *skb)
static inline enum skb_drop_reason
pskb_inet_may_pull_reason(struct sk_buff *skb)
{
int nhlen;
@@ -456,7 +457,12 @@ static inline bool pskb_inet_may_pull(struct sk_buff *skb)
nhlen = 0;
}
return pskb_network_may_pull(skb, nhlen);
return pskb_network_may_pull_reason(skb, nhlen);
}
static inline bool pskb_inet_may_pull(struct sk_buff *skb)
{
return pskb_inet_may_pull_reason(skb) == SKB_NOT_DROPPED_YET;
}
/* Variant of pskb_inet_may_pull().