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authorGravatar Jason Xing <kernelxing@tencent.com> 2024-05-10 20:24:58 +0800
committerGravatar Jakub Kicinski <kuba@kernel.org> 2024-05-13 17:33:57 -0700
commit2b9669d63400ac6038c697960a3df37d680b6648 (patch)
treedfe93f5ef3b8bdc81b95c8f3a73517f51e1ab58a /include
parentMerge branch 'net-stmmac-add-support-for-rzn1-gmac-devices' (diff)
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tcp: rstreason: fully support in tcp_rcv_synsent_state_process()
In this function, only updating the map can finish the job for socket reset reason because the corresponding drop reasons are ready. Signed-off-by: Jason Xing <kernelxing@tencent.com> Link: https://lore.kernel.org/r/20240510122502.27850-2-kerneljasonxing@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include')
-rw-r--r--include/net/rstreason.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/include/net/rstreason.h b/include/net/rstreason.h
index df3b6ac0c9b3..f87814a60205 100644
--- a/include/net/rstreason.h
+++ b/include/net/rstreason.h
@@ -8,6 +8,8 @@
#define DEFINE_RST_REASON(FN, FNe) \
FN(NOT_SPECIFIED) \
FN(NO_SOCKET) \
+ FN(TCP_INVALID_ACK_SEQUENCE) \
+ FN(TCP_RFC7323_PAWS) \
FN(MPTCP_RST_EUNSPEC) \
FN(MPTCP_RST_EMPTCP) \
FN(MPTCP_RST_ERESOURCE) \
@@ -37,6 +39,17 @@ enum sk_rst_reason {
SK_RST_REASON_NOT_SPECIFIED,
/** @SK_RST_REASON_NO_SOCKET: no valid socket that can be used */
SK_RST_REASON_NO_SOCKET,
+ /**
+ * @SK_RST_REASON_TCP_INVALID_ACK_SEQUENCE: Not acceptable ACK SEQ
+ * field because ack sequence is not in the window between snd_una
+ * and snd_nxt
+ */
+ SK_RST_REASON_TCP_INVALID_ACK_SEQUENCE,
+ /**
+ * @SK_RST_REASON_TCP_RFC7323_PAWS: PAWS check, corresponding to
+ * LINUX_MIB_PAWSESTABREJECTED, LINUX_MIB_PAWSACTIVEREJECTED
+ */
+ SK_RST_REASON_TCP_RFC7323_PAWS,
/* Copy from include/uapi/linux/mptcp.h.
* These reset fields will not be changed since they adhere to
@@ -113,6 +126,10 @@ sk_rst_convert_drop_reason(enum skb_drop_reason reason)
return SK_RST_REASON_NOT_SPECIFIED;
case SKB_DROP_REASON_NO_SOCKET:
return SK_RST_REASON_NO_SOCKET;
+ case SKB_DROP_REASON_TCP_INVALID_ACK_SEQUENCE:
+ return SK_RST_REASON_TCP_INVALID_ACK_SEQUENCE;
+ case SKB_DROP_REASON_TCP_RFC7323_PAWS:
+ return SK_RST_REASON_TCP_RFC7323_PAWS;
default:
/* If we don't have our own corresponding reason */
return SK_RST_REASON_NOT_SPECIFIED;