Commit 454d4024 authored by Kuniyuki Iwashima's avatar Kuniyuki Iwashima Committed by Jakub Kicinski
Browse files

net: dropreason: Gather SOCKET_ drop reasons. 



The following patch adds a new drop reason starting with
the SOCKET_ prefix.

Let's gather the existing SOCKET_ reasons.

Note that the order is not part of uAPI.

Signed-off-by: default avatarKuniyuki Iwashima <kuniyu@amazon.com>
Link: https://patch.msgid.link/20250116053441.5758-2-kuniyu@amazon.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 3a0b7fa0

include/net/dropreason-core.h

+6 −6
Original line number Diff line number Diff line
@@ -6,9 +6,10 @@ 
#define DEFINE_DROP_REASON(FN, FNe)	\

	FN(NOT_SPECIFIED)		\

	FN(NO_SOCKET)			\

	FN(SOCKET_FILTER)		\

	FN(SOCKET_RCVBUFF)		\

	FN(PKT_TOO_SMALL)		\

	FN(TCP_CSUM)			\

	FN(SOCKET_FILTER)		\

	FN(UDP_CSUM)			\

	FN(NETFILTER_DROP)		\

	FN(OTHERHOST)			\
@@ -18,7 +19,6 @@ 
	FN(UNICAST_IN_L2_MULTICAST)	\

	FN(XFRM_POLICY)			\

	FN(IP_NOPROTO)			\

	FN(SOCKET_RCVBUFF)		\

	FN(PROTO_MEM)			\

	FN(TCP_AUTH_HDR)		\

	FN(TCP_MD5NOTFOUND)		\
@@ -138,12 +138,14 @@ enum skb_drop_reason { 
	 * 3) no valid child socket during 3WHS process

	 */

	SKB_DROP_REASON_NO_SOCKET,

	/** @SKB_DROP_REASON_SOCKET_FILTER: dropped by socket filter */

	SKB_DROP_REASON_SOCKET_FILTER,

	/** @SKB_DROP_REASON_SOCKET_RCVBUFF: socket receive buff is full */

	SKB_DROP_REASON_SOCKET_RCVBUFF,

	/** @SKB_DROP_REASON_PKT_TOO_SMALL: packet size is too small */

	SKB_DROP_REASON_PKT_TOO_SMALL,

	/** @SKB_DROP_REASON_TCP_CSUM: TCP checksum error */

	SKB_DROP_REASON_TCP_CSUM,

	/** @SKB_DROP_REASON_SOCKET_FILTER: dropped by socket filter */

	SKB_DROP_REASON_SOCKET_FILTER,

	/** @SKB_DROP_REASON_UDP_CSUM: UDP checksum error */

	SKB_DROP_REASON_UDP_CSUM,

	/** @SKB_DROP_REASON_NETFILTER_DROP: dropped by netfilter */
@@ -174,8 +176,6 @@ enum skb_drop_reason { 
	SKB_DROP_REASON_XFRM_POLICY,

	/** @SKB_DROP_REASON_IP_NOPROTO: no support for IP protocol */

	SKB_DROP_REASON_IP_NOPROTO,

	/** @SKB_DROP_REASON_SOCKET_RCVBUFF: socket receive buff is full */

	SKB_DROP_REASON_SOCKET_RCVBUFF,

	/**

	 * @SKB_DROP_REASON_PROTO_MEM: proto memory limitation, such as

	 * udp packet drop out of udp_memory_allocated.