diff options
| author | Eric Dumazet <edumazet@google.com> | 2025-01-13 13:55:58 +0000 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-01-14 13:28:13 -0800 |
| commit | d16b34479064fcb8dbb66a72308b5034be819161 (patch) | |
| tree | 5fd02d2298c5cd5c174f0f8775e5673fdaa654d3 /include/net | |
| parent | 124c4c32e9f3b4d89f5be3342897adc8db5c27b8 (diff) | |
tcp: add LINUX_MIB_PAWS_OLD_ACK SNMP counter
Prior patch in the series added TCP_RFC7323_PAWS_ACK drop reason.
This patch adds the corresponding SNMP counter, for folks
using nstat instead of tracing for TCP diagnostics.
nstat -az | grep PAWSOldAck
Suggested-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Neal Cardwell <ncardwell@google.com>
Reviewed-by: Jason Xing <kerneljasonxing@gmail.com>
Tested-by: Neal Cardwell <ncardwell@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://patch.msgid.link/20250113135558.3180360-4-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include/net')
| -rw-r--r-- | include/net/dropreason-core.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/net/dropreason-core.h b/include/net/dropreason-core.h index 28555109f9bd..ed864934e20b 100644 --- a/include/net/dropreason-core.h +++ b/include/net/dropreason-core.h @@ -262,6 +262,7 @@ enum skb_drop_reason { SKB_DROP_REASON_TCP_RFC7323_PAWS, /** * @SKB_DROP_REASON_TCP_RFC7323_PAWS_ACK: PAWS check, old ACK packet. + * Corresponds to LINUX_MIB_PAWS_OLD_ACK. */ SKB_DROP_REASON_TCP_RFC7323_PAWS_ACK, /** @SKB_DROP_REASON_TCP_OLD_SEQUENCE: Old SEQ field (duplicate packet) */ |