diff options
| author | Florian Westphal <fw@strlen.de> | 2020-12-11 01:25:03 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2020-12-15 04:30:06 +0300 |
| commit | 049fe386d35353398eee40ba8d76ab62cb5a24e5 (patch) | |
| tree | c04519930467e0676c2c15351214e66118c41056 /include/net | |
| parent | ab82e996a1fa1b9ae514fa357d9ce8df62321157 (diff) | |
| download | linux-049fe386d35353398eee40ba8d76ab62cb5a24e5.tar.xz | |
tcp: parse mptcp options contained in reset packets
Because TCP-level resets only affect the subflow, there is a MPTCP
option to indicate that the MPTCP-level connection should be closed
immediately without a mptcp-level fin exchange.
This is the 'MPTCP fast close option'. It can be carried on ack
segments or TCP resets. In the latter case, its needed to parse mptcp
options also for reset packets so that MPTCP can act accordingly.
Next patch will add receive side fastclose support in MPTCP.
Acked-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include/net')
| -rw-r--r-- | include/net/tcp.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h index a62fb7f8a1e3..b1a05f8b35f0 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -611,7 +611,7 @@ void tcp_skb_collapse_tstamp(struct sk_buff *skb, /* tcp_input.c */ void tcp_rearm_rto(struct sock *sk); void tcp_synack_rtt_meas(struct sock *sk, struct request_sock *req); -void tcp_reset(struct sock *sk); +void tcp_reset(struct sock *sk, struct sk_buff *skb); void tcp_skb_mark_lost_uncond_verify(struct tcp_sock *tp, struct sk_buff *skb); void tcp_fin(struct sock *sk); |