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authorJason Xing <kernelxing@tencent.com>2024-05-10 15:24:59 +0300
committerJakub Kicinski <kuba@kernel.org>2024-05-14 03:33:57 +0300
commit459a2b37a41c8ef83caee4762fc50751470c28e4 (patch)
tree5b28a1f020f7f1f8dbab5384357924f1b9b51464 /include/net
parent2b9669d63400ac6038c697960a3df37d680b6648 (diff)
downloadlinux-459a2b37a41c8ef83caee4762fc50751470c28e4.tar.xz
tcp: rstreason: fully support in tcp_ack()
Based on the existing skb drop reason, updating the rstreason map can help us finish the rstreason job in this function. Signed-off-by: Jason Xing <kernelxing@tencent.com> Link: https://lore.kernel.org/r/20240510122502.27850-3-kerneljasonxing@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include/net')
-rw-r--r--include/net/rstreason.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/net/rstreason.h b/include/net/rstreason.h
index f87814a60205..69404c14f45d 100644
--- a/include/net/rstreason.h
+++ b/include/net/rstreason.h
@@ -10,6 +10,8 @@
FN(NO_SOCKET) \
FN(TCP_INVALID_ACK_SEQUENCE) \
FN(TCP_RFC7323_PAWS) \
+ FN(TCP_TOO_OLD_ACK) \
+ FN(TCP_ACK_UNSENT_DATA) \
FN(MPTCP_RST_EUNSPEC) \
FN(MPTCP_RST_EMPTCP) \
FN(MPTCP_RST_ERESOURCE) \
@@ -50,6 +52,13 @@ enum sk_rst_reason {
* LINUX_MIB_PAWSESTABREJECTED, LINUX_MIB_PAWSACTIVEREJECTED
*/
SK_RST_REASON_TCP_RFC7323_PAWS,
+ /** @SK_RST_REASON_TCP_TOO_OLD_ACK: TCP ACK is too old */
+ SK_RST_REASON_TCP_TOO_OLD_ACK,
+ /**
+ * @SK_RST_REASON_TCP_ACK_UNSENT_DATA: TCP ACK for data we haven't
+ * sent yet
+ */
+ SK_RST_REASON_TCP_ACK_UNSENT_DATA,
/* Copy from include/uapi/linux/mptcp.h.
* These reset fields will not be changed since they adhere to
@@ -130,6 +139,10 @@ sk_rst_convert_drop_reason(enum skb_drop_reason reason)
return SK_RST_REASON_TCP_INVALID_ACK_SEQUENCE;
case SKB_DROP_REASON_TCP_RFC7323_PAWS:
return SK_RST_REASON_TCP_RFC7323_PAWS;
+ case SKB_DROP_REASON_TCP_TOO_OLD_ACK:
+ return SK_RST_REASON_TCP_TOO_OLD_ACK;
+ case SKB_DROP_REASON_TCP_ACK_UNSENT_DATA:
+ return SK_RST_REASON_TCP_ACK_UNSENT_DATA;
default:
/* If we don't have our own corresponding reason */
return SK_RST_REASON_NOT_SPECIFIED;