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| author | Jason Xing <kernelxing@tencent.com> | 2024-05-10 15:24:58 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2024-05-14 03:33:57 +0300 |
| commit | 2b9669d63400ac6038c697960a3df37d680b6648 (patch) | |
| tree | dfe93f5ef3b8bdc81b95c8f3a73517f51e1ab58a /include/net | |
| parent | 0621be48a8d598bc34fdb8bfd7179764aba627e6 (diff) | |
| download | linux-2b9669d63400ac6038c697960a3df37d680b6648.tar.xz | |
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/net')
| -rw-r--r-- | include/net/rstreason.h | 17 |
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; |