tree b48e21a8c4d7b824fe0e9289fe51a9e739a5c46e
parent c6a77ff82fb849534748719f37f3f9086d78ed39
author David Howells <dhowells@redhat.com> 1474736726 +0100
committer David Howells <dhowells@redhat.com> 1474736726 +0100

rxrpc: Send an ACK after every few DATA packets we receive

Send an ACK if we haven't sent one for the last two packets we've received.
This keeps the other end apprised of where we've got to - which is
important if they're doing slow-start.

We do this in recvmsg so that we can dispatch a packet directly without the
need to wake up the background thread.

This should possibly be made configurable in future.

Signed-off-by: David Howells <dhowells@redhat.com>