Commit f6d5e2cc authored by Jason Xing's avatar Jason Xing Committed by Jakub Kicinski
Browse files

tcp: rstreason: fully support in tcp_rcv_state_process() 



Like the previous patch does in this series, finish the conversion map is
enough to let rstreason mechanism work in this function.

Signed-off-by: default avatarJason Xing <kernelxing@tencent.com>
Link: https://lore.kernel.org/r/20240510122502.27850-4-kerneljasonxing@gmail.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 459a2b37

include/net/rstreason.h

+18 −0
Original line number Diff line number Diff line
@@ -12,6 +12,9 @@ 
	FN(TCP_RFC7323_PAWS)		\

	FN(TCP_TOO_OLD_ACK)		\

	FN(TCP_ACK_UNSENT_DATA)		\

	FN(TCP_FLAGS)			\

	FN(TCP_OLD_ACK)			\

	FN(TCP_ABORT_ON_DATA)		\

	FN(MPTCP_RST_EUNSPEC)		\

	FN(MPTCP_RST_EMPTCP)		\

	FN(MPTCP_RST_ERESOURCE)		\
@@ -59,6 +62,15 @@ enum sk_rst_reason { 
	 * sent yet

	 */

	SK_RST_REASON_TCP_ACK_UNSENT_DATA,

	/** @SK_RST_REASON_TCP_FLAGS: TCP flags invalid */

	SK_RST_REASON_TCP_FLAGS,

	/** @SK_RST_REASON_TCP_OLD_ACK: TCP ACK is old, but in window */

	SK_RST_REASON_TCP_OLD_ACK,

	/**

	 * @SK_RST_REASON_TCP_ABORT_ON_DATA: abort on data

	 * corresponding to LINUX_MIB_TCPABORTONDATA

	 */

	SK_RST_REASON_TCP_ABORT_ON_DATA,



	/* Copy from include/uapi/linux/mptcp.h.

	 * These reset fields will not be changed since they adhere to
@@ -143,6 +155,12 @@ sk_rst_convert_drop_reason(enum skb_drop_reason reason) 
		return SK_RST_REASON_TCP_TOO_OLD_ACK;

	case SKB_DROP_REASON_TCP_ACK_UNSENT_DATA:

		return SK_RST_REASON_TCP_ACK_UNSENT_DATA;

	case SKB_DROP_REASON_TCP_FLAGS:

		return SK_RST_REASON_TCP_FLAGS;

	case SKB_DROP_REASON_TCP_OLD_ACK:

		return SK_RST_REASON_TCP_OLD_ACK;

	case SKB_DROP_REASON_TCP_ABORT_ON_DATA:

		return SK_RST_REASON_TCP_ABORT_ON_DATA;

	default:

		/* If we don't have our own corresponding reason */

		return SK_RST_REASON_NOT_SPECIFIED;