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authorEric Dumazet <edumazet@google.com>2025-07-11 14:40:00 +0300
committerJakub Kicinski <kuba@kernel.org>2025-07-15 04:41:42 +0300
commit6c758062c64dfbd61862801fbde4e0702f4f3a23 (patch)
tree3fdca354b4409c91707b845139c2534c6c53d4df /include
parent9ca48d616ed76b284f946667a3cb7961205c8ee3 (diff)
downloadlinux-6c758062c64dfbd61862801fbde4e0702f4f3a23.tar.xz
tcp: add LINUX_MIB_BEYOND_WINDOW
Add a new SNMP MIB : LINUX_MIB_BEYOND_WINDOW Incremented when an incoming packet is received beyond the receiver window. nstat -az | grep TcpExtBeyondWindow Signed-off-by: Eric Dumazet <edumazet@google.com> Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com> Link: https://patch.msgid.link/20250711114006.480026-3-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include')
-rw-r--r--include/net/dropreason-core.h1
-rw-r--r--include/uapi/linux/snmp.h1
2 files changed, 2 insertions, 0 deletions
diff --git a/include/net/dropreason-core.h b/include/net/dropreason-core.h
index beb134d55747..229bb1826f2a 100644
--- a/include/net/dropreason-core.h
+++ b/include/net/dropreason-core.h
@@ -309,6 +309,7 @@ enum skb_drop_reason {
/**
* @SKB_DROP_REASON_TCP_INVALID_END_SEQUENCE:
* Not acceptable END_SEQ field.
+ * Corresponds to LINUX_MIB_BEYOND_WINDOW.
*/
SKB_DROP_REASON_TCP_INVALID_END_SEQUENCE,
/**
diff --git a/include/uapi/linux/snmp.h b/include/uapi/linux/snmp.h
index 1d234d7e1892..49f5640092a0 100644
--- a/include/uapi/linux/snmp.h
+++ b/include/uapi/linux/snmp.h
@@ -186,6 +186,7 @@ enum
LINUX_MIB_TIMEWAITKILLED, /* TimeWaitKilled */
LINUX_MIB_PAWSACTIVEREJECTED, /* PAWSActiveRejected */
LINUX_MIB_PAWSESTABREJECTED, /* PAWSEstabRejected */
+ LINUX_MIB_BEYOND_WINDOW, /* BeyondWindow */
LINUX_MIB_TSECRREJECTED, /* TSEcrRejected */
LINUX_MIB_PAWS_OLD_ACK, /* PAWSOldAck */
LINUX_MIB_PAWS_TW_REJECTED, /* PAWSTimewait */