sctp: rename sp strm_interleave to ep intl_enable

Like other endpoint features, strm_interleave should be moved to
sctp_endpoint and renamed to intl_enable.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Author: lxin

include/net/sctp/structs.h

@@ -219,7 +219,6 @@ struct sctp_sock {
 		disable_fragments:1,
 		v4mapped:1,
 		frag_interleave:1,
-		strm_interleave:1,
 		recvrcvinfo:1,
 		recvnxtinfo:1,
 		data_ready_signalled:1;
@@ -1324,6 +1323,7 @@ struct sctp_endpoint {
 	struct list_head endpoint_shared_keys;
 	__u16 active_key_id;
 	__u8  auth_enable:1,
+	      intl_enable:1,
 	      prsctp_enable:1,
 	      reconf_enable:1;
 

net/sctp/sm_make_chunk.c

@@ -269,7 +269,7 @@ struct sctp_chunk *sctp_make_init(const struct sctp_association *asoc,
 	if (sp->adaptation_ind)
 		chunksize += sizeof(aiparam);
 
-	if (sp->strm_interleave) {
+	if (asoc->ep->intl_enable) {
 		extensions[num_ext] = SCTP_CID_I_DATA;
 		num_ext += 1;
 	}
@@ -2027,7 +2027,7 @@ static void sctp_process_ext_param(struct sctp_association *asoc,
 				asoc->peer.asconf_capable = 1;
 			break;
 		case SCTP_CID_I_DATA:
-			if (sctp_sk(asoc->base.sk)->strm_interleave)
+			if (asoc->ep->intl_enable)
 				asoc->peer.intl_capable = 1;
 			break;
 		default:

net/sctp/socket.c

@@ -1913,7 +1913,7 @@ static int sctp_sendmsg_to_asoc(struct sctp_association *asoc,
 		if (err)
 			goto err;
 
-		if (sp->strm_interleave) {
+		if (asoc->ep->intl_enable) {
 			timeo = sock_sndtimeo(sk, 0);
 			err = sctp_wait_for_connect(asoc, &timeo);
 			if (err) {
@@ -3581,7 +3581,7 @@ static int sctp_setsockopt_fragment_interleave(struct sock *sk,
 	sctp_sk(sk)->frag_interleave = !!val;
 
 	if (!sctp_sk(sk)->frag_interleave)
-		sctp_sk(sk)->strm_interleave = 0;
+		sctp_sk(sk)->ep->intl_enable = 0;
 
 	return 0;
 }
@@ -4484,7 +4484,7 @@ static int sctp_setsockopt_interleaving_supported(struct sock *sk,
 		goto out;
 	}
 
-	sp->strm_interleave = !!params.assoc_value;
+	sp->ep->intl_enable = !!params.assoc_value;
 
 	retval = 0;
 
@@ -7693,7 +7693,7 @@ static int sctp_getsockopt_interleaving_supported(struct sock *sk, int len,
 	}
 
 	params.assoc_value = asoc ? asoc->peer.intl_capable
-				  : sctp_sk(sk)->strm_interleave;
+				  : sctp_sk(sk)->ep->intl_enable;
 
 	if (put_user(len, optlen))
 		goto out;