RDMA/{amso1100,cxgb3}: Minimal MPAv2 support

As part of MPAv2 Enhanced RDMA Negotiation, pass max supported ird/ord
values upwards for the time being in iw_cxgb3 and amso1100.

Signed-off-by: Kumar Sanghvi <kumaras@chelsio.com>
Reviewed-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>

3 files changed, 20 insertions, 0 deletions

diff --git a/drivers/infiniband/hw/amso1100/c2_ae.c b/drivers/infiniband/hw/amso1100/c2_ae.c
index 24f9e3a90e8e..32d34e88d5cf 100644
--- a/drivers/infiniband/hw/amso1100/c2_ae.c
+++ b/drivers/infiniband/hw/amso1100/c2_ae.c
@@ -288,6 +288,11 @@ void c2_ae_event(struct c2_dev *c2dev, u32 mq_index)
                 cm_event.private_data_len =
                         be32_to_cpu(req->private_data_length);
                 cm_event.private_data = req->private_data;
+                /*
+                 * Until ird/ord negotiation via MPAv2 support is added, send
+                 * max supported values
+                 */
+                cm_event.ird = cm_event.ord = 128;
 
                 if (cm_id->event_handler)
                         cm_id->event_handler(cm_id, &cm_event);
diff --git a/drivers/infiniband/hw/amso1100/c2_intr.c b/drivers/infiniband/hw/amso1100/c2_intr.c
index 0ebe4e806b86..8951db4ae29d 100644
--- a/drivers/infiniband/hw/amso1100/c2_intr.c
+++ b/drivers/infiniband/hw/amso1100/c2_intr.c
@@ -183,6 +183,11 @@ static void handle_vq(struct c2_dev *c2dev, u32 mq_index)
         case IW_CM_EVENT_ESTABLISHED:
                 c2_set_qp_state(req->qp,
                                 C2_QP_STATE_RTS);
+                /*
+                 * Until ird/ord negotiation via MPAv2 support is added, send
+                 * max supported values
+                 */
+                cm_event.ird = cm_event.ord = 128;
         case IW_CM_EVENT_CLOSE:
 
                 /*
diff --git a/drivers/infiniband/hw/cxgb3/iwch_cm.c b/drivers/infiniband/hw/cxgb3/iwch_cm.c
index 6cd642aaa4de..de6d0774e609 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_cm.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_cm.c
@@ -753,6 +753,11 @@ static void connect_request_upcall(struct iwch_ep *ep)
         event.private_data_len = ep->plen;
         event.private_data = ep->mpa_pkt + sizeof(struct mpa_message);
         event.provider_data = ep;
+        /*
+         * Until ird/ord negotiation via MPAv2 support is added, send max
+         * supported values
+         */
+        event.ird = event.ord = 8;
         if (state_read(&ep->parent_ep->com) != DEAD) {
                 get_ep(&ep->com);
                 ep->parent_ep->com.cm_id->event_handler(
@@ -770,6 +775,11 @@ static void established_upcall(struct iwch_ep *ep)
         PDBG("%s ep %p\n", __func__, ep);
         memset(&event, 0, sizeof(event));
         event.event = IW_CM_EVENT_ESTABLISHED;
+        /*
+         * Until ird/ord negotiation via MPAv2 support is added, send max
+         * supported values
+         */
+        event.ird = event.ord = 8;
         if (ep->com.cm_id) {
                 PDBG("%s ep %p tid %d\n", __func__, ep, ep->hwtid);
                 ep->com.cm_id->event_handler(ep->com.cm_id, &event);