[SCTP]: Include ulpevents in socket receive buffer accounting.

Also introduces a sysctl option to configure the receive buffer
accounting policy to be either at socket or association level.
Default is all the associations on the same socket share the
receive buffer.

Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 3 insertions, 0 deletions

diff --git a/net/sctp/endpointola.c b/net/sctp/endpointola.c
index 0df76897f563..67bd53070ee0 100644
--- a/net/sctp/endpointola.c
+++ b/net/sctp/endpointola.c
@@ -104,6 +104,9 @@ static struct sctp_endpoint *sctp_endpoint_init(struct sctp_endpoint *ep,
         sk->sk_write_space = sctp_write_space;
         sock_set_flag(sk, SOCK_USE_WRITE_QUEUE);
 
+        /* Get the receive buffer policy for this endpoint */
+        ep->rcvbuf_policy = sctp_rcvbuf_policy;
+
         /* Initialize the secret key used with cookie. */
         get_random_bytes(&ep->secret_key[0], SCTP_SECRET_SIZE);
         ep->last_key = ep->current_key = 0;