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authorMenglong Dong2022-04-13 16:15:53 +0800
committerDavid S. Miller2022-04-13 13:09:57 +0100
commitc4eb664191b4a5ff6856478f903924176697719e (patch)
tree3906e7f09885df78fc93a0355e8b8639f5522dd3 /include
parentd6d3146ce532268ad0ffd8d92d2b7492898decf1 (diff)
net: ipv4: add skb drop reasons to ip_error()
Eventually, I find out the handler function for inputting route lookup fail: ip_error(). The drop reasons we used in ip_error() are almost corresponding to IPSTATS_MIB_*, and following new reasons are introduced: SKB_DROP_REASON_IP_INADDRERRORS SKB_DROP_REASON_IP_INNOROUTES Isn't the name SKB_DROP_REASON_IP_HOSTUNREACH and SKB_DROP_REASON_IP_NETUNREACH more accurate? To make them corresponding to IPSTATS_MIB_*, we keep their name still. 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>
Diffstat (limited to 'include')
-rw-r--r--include/linux/skbuff.h6
-rw-r--r--include/trace/events/skb.h2
2 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 0cbd6ada957c..886e83ac4b70 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -447,6 +447,12 @@ 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_MAX,
};
diff --git a/include/trace/events/skb.h b/include/trace/events/skb.h
index 42647114fffe..0acac7e5a019 100644
--- a/include/trace/events/skb.h
+++ b/include/trace/events/skb.h
@@ -63,6 +63,8 @@
EM(SKB_DROP_REASON_TAP_TXFILTER, TAP_TXFILTER) \
EM(SKB_DROP_REASON_ICMP_CSUM, ICMP_CSUM) \
EM(SKB_DROP_REASON_INVALID_PROTO, INVALID_PROTO) \
+ EM(SKB_DROP_REASON_IP_INADDRERRORS, IP_INADDRERRORS) \
+ EM(SKB_DROP_REASON_IP_INNOROUTES, IP_INNOROUTES) \
EMe(SKB_DROP_REASON_MAX, MAX)
#undef EM