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net: icmp: introduce function icmpv6_param_prob_reason()

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In order to add the skb drop reasons support to icmpv6_param_prob(),
introduce the function icmpv6_param_prob_reason() and make
icmpv6_param_prob() an inline call to it. This new function will be
used in the following patches.

Signed-off-by: Menglong Dong <imagedong@tencent.com>
Reviewed-by: Jiang Biao <benbjiang@tencent.com>
Reviewed-by: Hao Peng <flyingpeng@tencent.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Menglong Dong
2022-04-13 16:15:56 +08:00
committed by David S. Miller
parent 2edc1a383f
commit 1ad6d548e2
2 changed files with 13 additions and 5 deletions
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11
include/linux/icmpv6.h
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@@ -79,8 +79,9 @@ extern int icmpv6_init(void);
extern int icmpv6_err_convert(u8 type, u8 code,
int *err);
extern void icmpv6_cleanup(void);
extern void icmpv6_param_prob(struct sk_buff *skb,
u8 code, int pos);
extern void icmpv6_param_prob_reason(struct sk_buff *skb,
u8 code, int pos,
enum skb_drop_reason reason);
struct flowi6;
struct in6_addr;
@@ -91,6 +92,12 @@ extern void icmpv6_flow_init(struct sock *sk,
const struct in6_addr *daddr,
int oif);
static inline void icmpv6_param_prob(struct sk_buff *skb, u8 code, int pos)
{
icmpv6_param_prob_reason(skb, code, pos,
SKB_DROP_REASON_NOT_SPECIFIED);
}
static inline bool icmpv6_is_err(int type)
{
switch (type) {