[PATCH] IB: Introduce RMPP APIs

Introduce RMPP APIs

Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Hal Rosenstock <halr@voltaire.com>
Cc: Roland Dreier <rolandd@cisco.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c
index 8216af0..26e2b59 100644
--- a/drivers/infiniband/core/mad.c
+++ b/drivers/infiniband/core/mad.c
@@ -777,7 +777,7 @@
 
 struct ib_mad_send_buf * ib_create_send_mad(struct ib_mad_agent *mad_agent,
 					    u32 remote_qpn, u16 pkey_index,
-					    struct ib_ah *ah,
+					    struct ib_ah *ah, int rmpp_active,
 					    int hdr_len, int data_len,
 					    unsigned int __nocast gfp_mask)
 {
@@ -786,6 +786,8 @@
 	int buf_size;
 	void *buf;
 
+	if (rmpp_active)
+		return ERR_PTR(-EINVAL);	/* until RMPP implemented */
 	mad_agent_priv = container_of(mad_agent,
 				      struct ib_mad_agent_private, agent);
 	buf_size = get_buf_length(hdr_len, data_len);