diff options
| author | Florian Westphal <fw@strlen.de> | 2020-11-16 10:48:13 +0100 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2020-11-16 10:46:07 -0800 |
| commit | 6f8a612a33e426d473f7161d1950dc00a613494b (patch) | |
| tree | 38d484799e333eea7da33f483219f3d9a3a41760 /net/mptcp/protocol.h | |
| parent | 8edf08649eede6e5a3e39a3d38c63f30039a0c1e (diff) | |
mptcp: keep track of advertised windows right edge
Before sending 'x' new bytes also check that the new snd_una would
be within the permitted receive window.
For every ACK that also contains a DSS ack, check whether its tcp-level
receive window would advance the current mptcp window right edge and
update it if so.
Signed-off-by: Florian Westphal <fw@strlen.de>
Co-developed-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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 8345011fc0ba..b4c8dbe9236b 100644 --- a/net/mptcp/protocol.h +++ b/net/mptcp/protocol.h @@ -215,6 +215,7 @@ struct mptcp_sock { struct sock *last_snd; int snd_burst; atomic64_t snd_una; + atomic64_t wnd_end; unsigned long timer_ival; u32 token; unsigned long flags; |