diff options
| author | Florian Westphal <fw@strlen.de> | 2021-02-12 15:59:55 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-02-12 16:31:45 -0800 |
| commit | a141e02e393370e082b25636401c49978b61bfcf (patch) | |
| tree | cb4f9c9b96b72fbab952086c4e9dc544dbb3f5fe /net/mptcp/protocol.c | |
| parent | e98014306840f58072f50a55ad49400f227a5b65 (diff) | |
mptcp: split __mptcp_close_ssk helper
Prepare for subflow close events:
When mptcp connection is torn down its enough to send the mptcp socket
close notification rather than a subflow close event for all of the
subflows followed by the mptcp close event.
This splits the helper: mptcp_close_ssk() will emit the close
notification, __mptcp_close_ssk will not.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/mptcp/protocol.c')
| -rw-r--r-- | net/mptcp/protocol.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c index 93134b72490a..3fd8aef979a3 100644 --- a/net/mptcp/protocol.c +++ b/net/mptcp/protocol.c @@ -2114,8 +2114,8 @@ static struct sock *mptcp_subflow_get_retrans(const struct mptcp_sock *msk) * so we need to use tcp_close() after detaching them from the mptcp * parent socket. */ -void __mptcp_close_ssk(struct sock *sk, struct sock *ssk, - struct mptcp_subflow_context *subflow) +static void __mptcp_close_ssk(struct sock *sk, struct sock *ssk, + struct mptcp_subflow_context *subflow) { list_del(&subflow->node); @@ -2147,6 +2147,12 @@ void __mptcp_close_ssk(struct sock *sk, struct sock *ssk, sock_put(ssk); } +void mptcp_close_ssk(struct sock *sk, struct sock *ssk, + struct mptcp_subflow_context *subflow) +{ + __mptcp_close_ssk(sk, ssk, subflow); +} + static unsigned int mptcp_sync_mss(struct sock *sk, u32 pmtu) { return 0; @@ -2164,7 +2170,7 @@ static void __mptcp_close_subflow(struct mptcp_sock *msk) if (inet_sk_state_load(ssk) != TCP_CLOSE) continue; - __mptcp_close_ssk((struct sock *)msk, ssk, subflow); + mptcp_close_ssk((struct sock *)msk, ssk, subflow); } } |