[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: Ivan Skytte Jorgensen <isj-sctp@i1.dk>
Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>

diff --git a/include/net/sctp/user.h b/include/net/sctp/user.h
index 1c5f19f..f1c3bc5 100644 (file)
--- a/include/net/sctp/user.h
+++ b/include/net/sctp/user.h
@@ -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. */  
 };
 
 

diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index 10e82ec..660c61b 100644 (file)
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -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

diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 02e068d..170045b 100644 (file)
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -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;
 

diff --git a/net/sctp/ulpevent.c b/net/sctp/ulpevent.c
index 057e7fa..e049f41 100644 (file)
--- a/net/sctp/ulpevent.c
+++ b/net/sctp/ulpevent.c
@@ -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)