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authorVlad Yasevich <vladislav.yasevich@hp.com>2009-08-10 13:51:03 -0400
committerVlad Yasevich <vladislav.yasevich@hp.com>2009-09-04 18:20:57 -0400
commit9c5c62be2f794c7cee533d856f9f34c3cf21ff1b (patch)
treee81bcc703cedf4e667b91504b5cf9e8e01ffb6a5 /net/sctp/sm_statefuns.c
parent5d7ff261ef497c62f54c39effc259910a28b313d (diff)
sctp: Send user messages to the lower layer as one
Currenlty, sctp breaks up user messages into fragments and sends each fragment to the lower layer by itself. This means that for each fragment we go all the way down the stack and back up. This also discourages bundling of multiple fragments when they can fit into a sigle packet (ex: due to user setting a low fragmentation threashold). We introduce a new command SCTP_CMD_SND_MSG and hand the whole message down state machine. The state machine and the side-effect parser will cork the queue, add all chunks from the message to the queue, and then un-cork the queue thus causing the chunks to get transmitted. Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Diffstat (limited to 'net/sctp/sm_statefuns.c')
-rw-r--r--net/sctp/sm_statefuns.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index 50225dd2e6dc..910926906a3a 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -4555,9 +4555,9 @@ sctp_disposition_t sctp_sf_do_prm_send(const struct sctp_endpoint *ep,
void *arg,
sctp_cmd_seq_t *commands)
{
- struct sctp_chunk *chunk = arg;
+ struct sctp_datamsg *msg = arg;
- sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(chunk));
+ sctp_add_cmd_sf(commands, SCTP_CMD_SEND_MSG, SCTP_DATAMSG(msg));
return SCTP_DISPOSITION_CONSUME;
}