diff options
| author |   Florian Westphal <fw@strlen.de> | 2020-04-02 13:44:52 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2020-04-02 06:59:21 -0700 |
| commit | 59832e246515ab6a4f5aa878073e6f415aa35166 (patch) | |
| tree | 770b4daa78779200fc64f1538caea67491e4810b /net/mptcp/protocol.h | |
| parent | mptcp: fix tcp fallback crash (diff) | |
| download | wireguard-linux-59832e246515ab6a4f5aa878073e6f415aa35166.tar.xz wireguard-linux-59832e246515ab6a4f5aa878073e6f415aa35166.zip | |
mptcp: subflow: check parent mptcp socket on subflow state change
This is needed at least until proper MPTCP-Level fin/reset
signalling gets added:
We wake parent when a subflow changes, but we should do this only
when all subflows have closed, not just one.
Schedule the mptcp worker and tell it to check eof state on all
subflows.
Only flag mptcp socket as closed and wake userspace processes blocking
in poll if all subflows have closed.
Co-developed-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/mptcp/protocol.h')
| -rw-r--r-- | net/mptcp/protocol.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h index f733c5425552..67448002a2d7 100644 --- a/net/mptcp/protocol.h +++ b/net/mptcp/protocol.h @@ -89,6 +89,7 @@ #define MPTCP_DATA_READY 0 #define MPTCP_SEND_SPACE 1 #define MPTCP_WORK_RTX 2 +#define MPTCP_WORK_EOF 3 static inline __be32 mptcp_option(u8 subopt, u8 len, u8 nib, u8 field) { @@ -339,6 +340,7 @@ void mptcp_finish_connect(struct sock *sk); void mptcp_data_ready(struct sock *sk, struct sock *ssk); bool mptcp_finish_join(struct sock *sk); void mptcp_data_acked(struct sock *sk); +void mptcp_subflow_eof(struct sock *sk); int mptcp_token_new_request(struct request_sock *req); void mptcp_token_destroy_request(u32 token); |