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Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/icmpv6.h11
-rw-r--r--include/linux/skbuff.h21
2 files changed, 30 insertions, 2 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/include/linux/skbuff.h b/include/linux/skbuff.h
index 9b81ba497665..0ef11df1bc67 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -447,9 +447,30 @@ enum skb_drop_reason {
* 2211, such as a broadcasts
* ICMP_TIMESTAMP
*/
+ SKB_DROP_REASON_IP_INADDRERRORS, /* host unreachable, corresponding
+ * to IPSTATS_MIB_INADDRERRORS
+ */
+ SKB_DROP_REASON_IP_INNOROUTES, /* network unreachable, corresponding
+ * to IPSTATS_MIB_INADDRERRORS
+ */
+ SKB_DROP_REASON_PKT_TOO_BIG, /* packet size is too big (maybe exceed
+ * the MTU)
+ */
SKB_DROP_REASON_MAX,
};
+#define SKB_DR_INIT(name, reason) \
+ enum skb_drop_reason name = SKB_DROP_REASON_##reason
+#define SKB_DR(name) \
+ SKB_DR_INIT(name, NOT_SPECIFIED)
+#define SKB_DR_SET(name, reason) \
+ (name = SKB_DROP_REASON_##reason)
+#define SKB_DR_OR(name, reason) \
+ do { \
+ if (name == SKB_DROP_REASON_NOT_SPECIFIED) \
+ SKB_DR_SET(name, reason); \
+ } while (0)
+
/* To allow 64K frame to be packed as single skb without frag_list we
* require 64K/PAGE_SIZE pages plus 1 additional page to allow for
* buffers which do not start on a page boundary.