RDMA/cxgb3: Streaming -> RDMA mode transition fixes

Due to a HW issue, our current scheme to transition the connection from
streaming to rdma mode is broken on the passive side.  The firmware
and driver now support a new transition scheme for the passive side:

 - driver posts rdma_init_wr (now including the initial receive seqno)
 - driver posts last streaming message via TX_DATA message (MPA start
   response)
 - uP atomically sends the last streaming message and transitions the
   tcb to rdma mode.
 - driver waits for wr_ack indicating the last streaming message was ACKed.

NOTE: This change also bumps the required firmware version to 4.3.

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/infiniband/hw/cxgb3/cxio_wr.h b/drivers/infiniband/hw/cxgb3/cxio_wr.h
index ff7290eacefb..c84d4ac49355 100644
--- a/drivers/infiniband/hw/cxgb3/cxio_wr.h
+++ b/drivers/infiniband/hw/cxgb3/cxio_wr.h
@@ -294,6 +294,7 @@ struct t3_rdma_init_attr {
         u64 qp_dma_addr;
         u32 qp_dma_size;
         u32 flags;
+        u32 irs;
 };
 
 struct t3_rdma_init_wr {
@@ -314,7 +315,7 @@ struct t3_rdma_init_wr {
         __be32 ird;
         __be64 qp_dma_addr;     /* 7 */
         __be32 qp_dma_size;     /* 8 */
-        u32 rsvd;
+        u32 irs;
 };
 
 struct t3_genbit {