Commit eaa5c54d authored by Ivan Skytte Jorgensen's avatar Ivan Skytte Jorgensen Committed by Sridhar Samudrala
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[SCTP] Rename SCTP specific control message flags.



Rename SCTP specific control message flags to use SCTP_ prefix rather than
MSG_ prefix as per the latest sctp sockets API draft.
Signed-off-by: default avatarIvan Skytte Jorgensen <isj-sctp@i1.dk>
Signed-off-by: default avatarSridhar Samudrala <sri@us.ibm.com>
parent 741b2252
......@@ -171,10 +171,10 @@ struct sctp_sndrcvinfo {
*/
enum sctp_sinfo_flags {
MSG_UNORDERED = 1, /* Send/receive message unordered. */
MSG_ADDR_OVER = 2, /* Override the primary destination. */
MSG_ABORT=4, /* Send an ABORT message to the peer. */
/* MSG_EOF is already defined per socket.h */
SCTP_UNORDERED = 1, /* Send/receive message unordered. */
SCTP_ADDR_OVER = 2, /* Override the primary destination. */
SCTP_ABORT=4, /* Send an ABORT message to the peer. */
SCTP_EOF=MSG_FIN, /* Initiate graceful shutdown process. */
};
......
......@@ -554,7 +554,7 @@ struct sctp_chunk *sctp_make_datafrag_empty(struct sctp_association *asoc,
dp.ppid = sinfo->sinfo_ppid;
/* Set the flags for an unordered send. */
if (sinfo->sinfo_flags & MSG_UNORDERED) {
if (sinfo->sinfo_flags & SCTP_UNORDERED) {
flags |= SCTP_DATA_UNORDERED;
dp.ssn = 0;
} else
......
......@@ -1389,27 +1389,27 @@ SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk,
SCTP_DEBUG_PRINTK("msg_len: %zu, sinfo_flags: 0x%x\n",
msg_len, sinfo_flags);
/* MSG_EOF or MSG_ABORT cannot be set on a TCP-style socket. */
if (sctp_style(sk, TCP) && (sinfo_flags & (MSG_EOF | MSG_ABORT))) {
/* SCTP_EOF or SCTP_ABORT cannot be set on a TCP-style socket. */
if (sctp_style(sk, TCP) && (sinfo_flags & (SCTP_EOF | SCTP_ABORT))) {
err = -EINVAL;
goto out_nounlock;
}
/* If MSG_EOF is set, no data can be sent. Disallow sending zero
* length messages when MSG_EOF|MSG_ABORT is not set.
* If MSG_ABORT is set, the message length could be non zero with
/* If SCTP_EOF is set, no data can be sent. Disallow sending zero
* length messages when SCTP_EOF|SCTP_ABORT is not set.
* If SCTP_ABORT is set, the message length could be non zero with
* the msg_iov set to the user abort reason.
*/
if (((sinfo_flags & MSG_EOF) && (msg_len > 0)) ||
(!(sinfo_flags & (MSG_EOF|MSG_ABORT)) && (msg_len == 0))) {
if (((sinfo_flags & SCTP_EOF) && (msg_len > 0)) ||
(!(sinfo_flags & (SCTP_EOF|SCTP_ABORT)) && (msg_len == 0))) {
err = -EINVAL;
goto out_nounlock;
}
/* If MSG_ADDR_OVER is set, there must be an address
/* If SCTP_ADDR_OVER is set, there must be an address
* specified in msg_name.
*/
if ((sinfo_flags & MSG_ADDR_OVER) && (!msg->msg_name)) {
if ((sinfo_flags & SCTP_ADDR_OVER) && (!msg->msg_name)) {
err = -EINVAL;
goto out_nounlock;
}
......@@ -1458,14 +1458,14 @@ SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk,
goto out_unlock;
}
if (sinfo_flags & MSG_EOF) {
if (sinfo_flags & SCTP_EOF) {
SCTP_DEBUG_PRINTK("Shutting down association: %p\n",
asoc);
sctp_primitive_SHUTDOWN(asoc, NULL);
err = 0;
goto out_unlock;
}
if (sinfo_flags & MSG_ABORT) {
if (sinfo_flags & SCTP_ABORT) {
SCTP_DEBUG_PRINTK("Aborting association: %p\n", asoc);
sctp_primitive_ABORT(asoc, msg);
err = 0;
......@@ -1477,7 +1477,7 @@ SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk,
if (!asoc) {
SCTP_DEBUG_PRINTK("There is no association yet.\n");
if (sinfo_flags & (MSG_EOF | MSG_ABORT)) {
if (sinfo_flags & (SCTP_EOF | SCTP_ABORT)) {
err = -EINVAL;
goto out_unlock;
}
......@@ -1611,10 +1611,10 @@ SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk,
/* If an address is passed with the sendto/sendmsg call, it is used
* to override the primary destination address in the TCP model, or
* when MSG_ADDR_OVER flag is set in the UDP model.
* when SCTP_ADDR_OVER flag is set in the UDP model.
*/
if ((sctp_style(sk, TCP) && msg_name) ||
(sinfo_flags & MSG_ADDR_OVER)) {
(sinfo_flags & SCTP_ADDR_OVER)) {
chunk_tp = sctp_assoc_lookup_paddr(asoc, &to);
if (!chunk_tp) {
err = -EINVAL;
......@@ -4640,8 +4640,8 @@ SCTP_STATIC int sctp_msghdr_parse(const struct msghdr *msg,
/* Minimally, validate the sinfo_flags. */
if (cmsgs->info->sinfo_flags &
~(MSG_UNORDERED | MSG_ADDR_OVER |
MSG_ABORT | MSG_EOF))
~(SCTP_UNORDERED | SCTP_ADDR_OVER |
SCTP_ABORT | SCTP_EOF))
return -EINVAL;
break;
......
......@@ -698,7 +698,7 @@ struct sctp_ulpevent *sctp_ulpevent_make_rcvmsg(struct sctp_association *asoc,
event->ssn = ntohs(chunk->subh.data_hdr->ssn);
event->ppid = chunk->subh.data_hdr->ppid;
if (chunk->chunk_hdr->flags & SCTP_DATA_UNORDERED) {
event->flags |= MSG_UNORDERED;
event->flags |= SCTP_UNORDERED;
event->cumtsn = sctp_tsnmap_get_ctsn(&asoc->peer.tsn_map);
}
event->tsn = ntohl(chunk->subh.data_hdr->tsn);
......@@ -824,7 +824,7 @@ void sctp_ulpevent_read_sndrcvinfo(const struct sctp_ulpevent *event,
*
* recvmsg() flags:
*
* MSG_UNORDERED - This flag is present when the message was sent
* SCTP_UNORDERED - This flag is present when the message was sent
* non-ordered.
*/
sinfo.sinfo_flags = event->flags;
......@@ -839,7 +839,7 @@ void sctp_ulpevent_read_sndrcvinfo(const struct sctp_ulpevent *event,
* This field will hold the current cumulative TSN as
* known by the underlying SCTP layer. Note this field is
* ignored when sending and only valid for a receive
* operation when sinfo_flags are set to MSG_UNORDERED.
* operation when sinfo_flags are set to SCTP_UNORDERED.
*/
sinfo.sinfo_cumtsn = event->cumtsn;
/* sinfo_assoc_id: sizeof (sctp_assoc_t)
......
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