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authorMenglong Dong <imagedong@tencent.com>2022-04-13 16:15:56 +0800
committerDavid S. Miller <davem@davemloft.net>2022-04-13 13:09:57 +0100
commit1ad6d548e2a452f21bcee4606ee4ec7afcde5f37 (patch)
tree9c7dd8f3c9ce28a82bdaa7348f99b320c7b033ca
parent2edc1a383fda8d2f580216292dfd9daeae691e47 (diff)
net: icmp: introduce function icmpv6_param_prob_reason()
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>
-rw-r--r--include/linux/icmpv6.h11
-rw-r--r--net/ipv6/icmp.c7
2 files changed, 13 insertions, 5 deletions
diff --git a/include/linux/icmpv6.h b/include/linux/icmpv6.h
index 9055cb380ee2..db0f4fcfdaf4 100644
--- a/include/linux/icmpv6.h
+++ b/include/linux/icmpv6.h
@@ -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) {
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index 01c8003c9fc9..61770220774e 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -629,12 +629,13 @@ out_bh_enable:
}
EXPORT_SYMBOL(icmp6_send);
-/* Slightly more convenient version of icmp6_send.
+/* Slightly more convenient version of icmp6_send with drop reasons.
*/
-void icmpv6_param_prob(struct sk_buff *skb, u8 code, int pos)
+void icmpv6_param_prob_reason(struct sk_buff *skb, u8 code, int pos,
+ enum skb_drop_reason reason)
{
icmp6_send(skb, ICMPV6_PARAMPROB, code, pos, NULL, IP6CB(skb));
- kfree_skb(skb);
+ kfree_skb_reason(skb, reason);
}
/* Generate icmpv6 with type/code ICMPV6_DEST_UNREACH/ICMPV6_ADDR_UNREACH