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authorMenglong Dong <menglong8.dong@gmail.com>2024-11-07 20:55:56 +0800
committerPaolo Abeni <pabeni@redhat.com>2024-11-12 11:24:50 +0100
commit5b92112acd8e2ed84a4df653fc20575f4da6fa49 (patch)
tree390b1a92c61bbb5e15b3ae4b70bde2cc9fa57630 /include/net
parentnet: ip: make ip_mc_validate_source() return drop reason (diff)
downloadlinux-5b92112acd8e2ed84a4df653fc20575f4da6fa49.tar.gz
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net: ip: make ip_route_input_slow() return drop reasons
In this commit, we make ip_route_input_slow() return skb drop reasons, and following new skb drop reasons are added: SKB_DROP_REASON_IP_INVALID_DEST The only caller of ip_route_input_slow() is ip_route_input_rcu(), and we adjust it by making it return -EINVAL on error. Signed-off-by: Menglong Dong <dongml2@chinatelecom.cn> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'include/net')
-rw-r--r--include/net/dropreason-core.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/net/dropreason-core.h b/include/net/dropreason-core.h
index a2a1fb90e0e5..74624d369d48 100644
--- a/include/net/dropreason-core.h
+++ b/include/net/dropreason-core.h
@@ -79,6 +79,7 @@
FN(IP_LOCAL_SOURCE) \
FN(IP_INVALID_SOURCE) \
FN(IP_LOCALNET) \
+ FN(IP_INVALID_DEST) \
FN(PKT_TOO_BIG) \
FN(DUP_FRAG) \
FN(FRAG_REASM_TIMEOUT) \
@@ -387,6 +388,11 @@ enum skb_drop_reason {
/** @SKB_DROP_REASON_IP_LOCALNET: source or dest ip is local net */
SKB_DROP_REASON_IP_LOCALNET,
/**
+ * @SKB_DROP_REASON_IP_INVALID_DEST: the dest ip is invalid:
+ * 1) dest ip is 0
+ */
+ SKB_DROP_REASON_IP_INVALID_DEST,
+ /**
* @SKB_DROP_REASON_PKT_TOO_BIG: packet size is too big (maybe exceed the
* MTU)
*/