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authorJason Xing <kernelxing@tencent.com>2024-08-02 18:21:07 +0800
committerDavid S. Miller <davem@davemloft.net>2024-08-07 10:24:45 +0100
commitedc92b48abc5b21c98eca5d05b98a560d7df2e4d (patch)
tree5b231b25754f7ca1e275df01a680d6e10817bf3b
parenttcp: rstreason: introduce SK_RST_REASON_TCP_ABORT_ON_CLOSE for active reset (diff)
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tcp: rstreason: introduce SK_RST_REASON_TCP_ABORT_ON_LINGER for active reset
Introducing a new type TCP_ABORT_ON_LINGER for tcp reset reason to handle negative linger value case. Signed-off-by: Jason Xing <kernelxing@tencent.com> Reviewed-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--include/net/rstreason.h6
-rw-r--r--net/ipv4/tcp.c2
2 files changed, 7 insertions, 1 deletions
diff --git a/include/net/rstreason.h b/include/net/rstreason.h
index fa6bfd0d7d69..fbbaeb969e6a 100644
--- a/include/net/rstreason.h
+++ b/include/net/rstreason.h
@@ -18,6 +18,7 @@
FN(TCP_TIMEWAIT_SOCKET) \
FN(INVALID_SYN) \
FN(TCP_ABORT_ON_CLOSE) \
+ FN(TCP_ABORT_ON_LINGER) \
FN(MPTCP_RST_EUNSPEC) \
FN(MPTCP_RST_EMPTCP) \
FN(MPTCP_RST_ERESOURCE) \
@@ -90,6 +91,11 @@ enum sk_rst_reason {
* corresponding to LINUX_MIB_TCPABORTONCLOSE
*/
SK_RST_REASON_TCP_ABORT_ON_CLOSE,
+ /**
+ * @SK_RST_REASON_TCP_ABORT_ON_LINGER: abort on linger
+ * corresponding to LINUX_MIB_TCPABORTONLINGER
+ */
+ SK_RST_REASON_TCP_ABORT_ON_LINGER,
/* Copy from include/uapi/linux/mptcp.h.
* These reset fields will not be changed since they adhere to
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 2e010add0317..5b0f1d1fc697 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2908,7 +2908,7 @@ adjudge_to_death:
if (READ_ONCE(tp->linger2) < 0) {
tcp_set_state(sk, TCP_CLOSE);
tcp_send_active_reset(sk, GFP_ATOMIC,
- SK_RST_REASON_NOT_SPECIFIED);
+ SK_RST_REASON_TCP_ABORT_ON_LINGER);
__NET_INC_STATS(sock_net(sk),
LINUX_MIB_TCPABORTONLINGER);
} else {