@@ -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;