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authorJason Xing <kernelxing@tencent.com>2024-05-10 15:25:01 +0300
committerJakub Kicinski <kuba@kernel.org>2024-05-14 03:33:57 +0300
commit22a32557758a7100e46dfa8f383a401125e60b16 (patch)
tree9b230ca176f3e2cf51b313f474db8403e0ea0b37 /include/net
parentf6d5e2cc291fdf6f804c2754e345b41055d1aac4 (diff)
downloadlinux-22a32557758a7100e46dfa8f383a401125e60b16.tar.xz
tcp: rstreason: handle timewait cases in the receive path
There are two possible cases where TCP layer can send an RST. Since they happen in the same place, I think using one independent reason is enough to identify this special situation. Signed-off-by: Jason Xing <kernelxing@tencent.com> Link: https://lore.kernel.org/r/20240510122502.27850-5-kerneljasonxing@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include/net')
-rw-r--r--include/net/rstreason.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/net/rstreason.h b/include/net/rstreason.h
index fc1b99702771..7ae5bb55559b 100644
--- a/include/net/rstreason.h
+++ b/include/net/rstreason.h
@@ -15,6 +15,7 @@
FN(TCP_FLAGS) \
FN(TCP_OLD_ACK) \
FN(TCP_ABORT_ON_DATA) \
+ FN(TCP_TIMEWAIT_SOCKET) \
FN(MPTCP_RST_EUNSPEC) \
FN(MPTCP_RST_EMPTCP) \
FN(MPTCP_RST_ERESOURCE) \
@@ -72,6 +73,10 @@ enum sk_rst_reason {
*/
SK_RST_REASON_TCP_ABORT_ON_DATA,
+ /* Here start with the independent reasons */
+ /** @SK_RST_REASON_TCP_TIMEWAIT_SOCKET: happen on the timewait socket */
+ SK_RST_REASON_TCP_TIMEWAIT_SOCKET,
+
/* Copy from include/uapi/linux/mptcp.h.
* These reset fields will not be changed since they adhere to
* RFC 8684. So do not touch them. I'm going to list each definition