diff options
Diffstat (limited to 'net/sctp')
-rw-r--r-- | net/sctp/chunk.c | 13 | ||||
-rw-r--r-- | net/sctp/sm_sideeffect.c | 29 | ||||
-rw-r--r-- | net/sctp/sm_statefuns.c | 4 | ||||
-rw-r--r-- | net/sctp/socket.c | 26 |
4 files changed, 57 insertions, 15 deletions
diff --git a/net/sctp/chunk.c b/net/sctp/chunk.c index 7acaf15..645577d 100644 --- a/net/sctp/chunk.c +++ b/net/sctp/chunk.c @@ -73,6 +73,19 @@ SCTP_STATIC struct sctp_datamsg *sctp_datamsg_new(gfp_t gfp) return msg; } +void sctp_datamsg_free(struct sctp_datamsg *msg) +{ + struct sctp_chunk *chunk; + + /* This doesn't have to be a _safe vairant because + * sctp_chunk_free() only drops the refs. + */ + list_for_each_entry(chunk, &msg->chunks, frag_list) + sctp_chunk_free(chunk); + + sctp_datamsg_put(msg); +} + /* Final destructruction of datamsg memory. */ static void sctp_datamsg_destroy(struct sctp_datamsg *msg) { diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c index 86426aa..238adf7 100644 --- a/net/sctp/sm_sideeffect.c +++ b/net/sctp/sm_sideeffect.c @@ -931,6 +931,27 @@ static void sctp_cmd_t1_timer_update(struct sctp_association *asoc, } +/* Send the whole message, chunk by chunk, to the outqueue. + * This way the whole message is queued up and bundling if + * encouraged for small fragments. + */ +static int sctp_cmd_send_msg(struct sctp_association *asoc, + struct sctp_datamsg *msg) +{ + struct sctp_chunk *chunk; + int error = 0; + + list_for_each_entry(chunk, &msg->chunks, frag_list) { + error = sctp_outq_tail(&asoc->outqueue, chunk); + if (error) + break; + } + + return error; +} + + + /* These three macros allow us to pull the debugging code out of the * main flow of sctp_do_sm() to keep attention focused on the real * functionality there. @@ -1575,7 +1596,13 @@ static int sctp_cmd_interpreter(sctp_event_t event_type, case SCTP_CMD_UPDATE_INITTAG: asoc->peer.i.init_tag = cmd->obj.u32; break; - + case SCTP_CMD_SEND_MSG: + if (!asoc->outqueue.cork) { + sctp_outq_cork(&asoc->outqueue); + local_cork = 1; + } + error = sctp_cmd_send_msg(asoc, cmd->obj.msg); + break; default: printk(KERN_WARNING "Impossible command: %u, %p\n", cmd->verb, cmd->obj.ptr); diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c index 50225dd..9109269 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; } diff --git a/net/sctp/socket.c b/net/sctp/socket.c index a7e544e..95a5623 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -1814,20 +1814,22 @@ SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk, sctp_set_owner_w(chunk); chunk->transport = chunk_tp; - - /* Send it to the lower layers. Note: all chunks - * must either fail or succeed. The lower layer - * works that way today. Keep it that way or this - * breaks. - */ - err = sctp_primitive_SEND(asoc, chunk); - /* Did the lower layer accept the chunk? */ - if (err) - sctp_chunk_free(chunk); - SCTP_DEBUG_PRINTK("We sent primitively.\n"); } - sctp_datamsg_put(datamsg); + /* Send it to the lower layers. Note: all chunks + * must either fail or succeed. The lower layer + * works that way today. Keep it that way or this + * breaks. + */ + err = sctp_primitive_SEND(asoc, datamsg); + /* Did the lower layer accept the chunk? */ + if (err) + sctp_datamsg_free(datamsg); + else + sctp_datamsg_put(datamsg); + + SCTP_DEBUG_PRINTK("We sent primitively.\n"); + if (err) goto out_free; else |