X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=net%2Fsctp%2Fulpevent.c;h=2c17c7efad461b33f016c83401c4570068843e84;hb=a12e60621b553e32711f9ad653aad3c92881c400;hp=661ea2dd78baa3f0cd282cc2bf3551a8390480d8;hpb=2d56d3c43cc97ae48586745556f5a5b564d61582;p=linux-2.6-omap-h63xx.git

diff --git a/net/sctp/ulpevent.c b/net/sctp/ulpevent.c
index 661ea2dd78b..2c17c7efad4 100644
--- a/net/sctp/ulpevent.c
+++ b/net/sctp/ulpevent.c
@@ -141,11 +141,6 @@ struct sctp_ulpevent  *sctp_ulpevent_make_assoc_change(
 	 * an ABORT, so we need to include it in the sac_info.
 	 */
 	if (chunk) {
-		/* sctp_inqu_pop() has allready pulled off the chunk
-		 * header.  We need to put it back temporarily
-		 */
-		skb_push(chunk->skb, sizeof(sctp_chunkhdr_t));
-
 		/* Copy the chunk data to a new skb and reserve enough
 		 * head room to use as notification.
 		 */
@@ -155,9 +150,6 @@ struct sctp_ulpevent  *sctp_ulpevent_make_assoc_change(
 		if (!skb)
 			goto fail;
 
-		/* put back the chunk header now that we have a copy */
-		skb_pull(chunk->skb, sizeof(sctp_chunkhdr_t));
-
 		/* Embed the event fields inside the cloned skb.  */
 		event = sctp_skb2event(skb);
 		sctp_ulpevent_init(event, MSG_NOTIFICATION, skb->truesize);
@@ -168,7 +160,8 @@ struct sctp_ulpevent  *sctp_ulpevent_make_assoc_change(
 
 		/* Trim the buffer to the right length.  */
 		skb_trim(skb, sizeof(struct sctp_assoc_change) +
-			 ntohs(chunk->chunk_hdr->length));
+			 ntohs(chunk->chunk_hdr->length) -
+			 sizeof(sctp_chunkhdr_t));
 	} else {
 		event = sctp_ulpevent_new(sizeof(struct sctp_assoc_change),
 				  MSG_NOTIFICATION, gfp);
@@ -692,6 +685,24 @@ struct sctp_ulpevent *sctp_ulpevent_make_rcvmsg(struct sctp_association *asoc,
 	struct sctp_ulpevent *event = NULL;
 	struct sk_buff *skb;
 	size_t padding, len;
+	int rx_count;
+
+	/*
+	 * check to see if we need to make space for this
+	 * new skb, expand the rcvbuffer if needed, or drop
+	 * the frame
+	 */
+	if (asoc->ep->rcvbuf_policy)
+		rx_count = atomic_read(&asoc->rmem_alloc);
+	else
+		rx_count = atomic_read(&asoc->base.sk->sk_rmem_alloc);
+
+	if (rx_count >= asoc->base.sk->sk_rcvbuf) {
+
+		if ((asoc->base.sk->sk_userlocks & SOCK_RCVBUF_LOCK) ||
+		   (!sk_stream_rmem_schedule(asoc->base.sk, chunk->skb)))
+			goto fail;
+	}
 
 	/* Clone the original skb, sharing the data.  */
 	skb = skb_clone(chunk->skb, gfp);
@@ -802,6 +813,43 @@ fail:
 	return NULL;
 }
 
+struct sctp_ulpevent *sctp_ulpevent_make_authkey(
+	const struct sctp_association *asoc, __u16 key_id,
+	__u32 indication, gfp_t gfp)
+{
+	struct sctp_ulpevent *event;
+	struct sctp_authkey_event *ak;
+	struct sk_buff *skb;
+
+	event = sctp_ulpevent_new(sizeof(struct sctp_authkey_event),
+				  MSG_NOTIFICATION, gfp);
+	if (!event)
+		goto fail;
+
+	skb = sctp_event2skb(event);
+	ak = (struct sctp_authkey_event *)
+		skb_put(skb, sizeof(struct sctp_authkey_event));
+
+	ak->auth_type = SCTP_AUTHENTICATION_EVENT;
+	ak->auth_flags = 0;
+	ak->auth_length = sizeof(struct sctp_authkey_event);
+
+	ak->auth_keynumber = key_id;
+	ak->auth_altkeynumber = 0;
+	ak->auth_indication = indication;
+
+	/*
+	 * The association id field, holds the identifier for the association.
+	 */
+	sctp_ulpevent_set_owner(event, asoc);
+	ak->auth_assoc_id = sctp_assoc2id(asoc);
+
+	return event;
+fail:
+	return NULL;
+}
+
+
 /* Return the notification type, assuming this is a notification
  * event.
  */