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tcp: rstreason: fully support in tcp_rcv_state_process()

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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: Jason Xing <kernelxing@tencent.com>
Link: https://lore.kernel.org/r/20240510122502.27850-4-kerneljasonxing@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jason Xing 2024-05-10 20:25:00 +08:00 committed by Jakub Kicinski
parent 459a2b37a4
commit f6d5e2cc29
1 changed files with 18 additions and 0 deletions
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18
include/net/rstreason.h
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@ -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;