diff options
| author | Florian Westphal <fw@strlen.de> | 2020-01-21 16:56:25 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-01-24 13:44:08 +0100 |
| commit | 1891c4a07672b300b3160ceec59755063b20222b (patch) | |
| tree | a8b22813609ac268086d3a4b65260711f97978ce /net/mptcp/protocol.h | |
| parent | 648ef4b88673dadb8463bf0d4b10fbf33d55def8 (diff) | |
mptcp: add subflow write space signalling and mptcp_poll
Add new SEND_SPACE flag to indicate that a subflow has enough space to
accept more data for transmission.
It gets cleared at the end of mptcp_sendmsg() in case ssk has run
below the free watermark.
It is (re-set) from the wspace callback.
This allows us to use msk->flags to determine the poll mask.
Co-developed-by: Peter Krystad <peter.krystad@linux.intel.com>
Signed-off-by: Peter Krystad <peter.krystad@linux.intel.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Christoph Paasch <cpaasch@apple.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/mptcp/protocol.h')
| -rw-r--r-- | net/mptcp/protocol.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h index c6d8217e24d4..59a83eb64d37 100644 --- a/net/mptcp/protocol.h +++ b/net/mptcp/protocol.h @@ -56,6 +56,7 @@ /* MPTCP socket flags */ #define MPTCP_DATA_READY BIT(0) +#define MPTCP_SEND_SPACE BIT(1) /* MPTCP connection sock */ struct mptcp_sock { |