RDMA/ocrdma: Remove the MTU check based on Ethernet MTU

Also increase MAX AH to 512.

Signed-off-by: Naresh Gottumukkala <bgottumukkala@emulex.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>

2 files changed, 3 insertions, 5 deletions

diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c
index af3c5f564d60..6a62b2372fba 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c
@@ -2102,8 +2102,6 @@ static int ocrdma_set_qp_params(struct ocrdma_qp *qp,
                                 enum ib_qp_state old_qps)
 {
         int status = 0;
-        struct net_device *netdev = qp->dev->nic_info.netdev;
-        int eth_mtu = iboe_get_mtu(netdev->mtu);
 
         if (attr_mask & IB_QP_PKEY_INDEX) {
                 cmd->params.path_mtu_pkey_indx |= (attrs->pkey_index &
@@ -2140,8 +2138,8 @@ static int ocrdma_set_qp_params(struct ocrdma_qp *qp,
                 cmd->flags |= OCRDMA_QP_PARA_DST_QPN_VALID;
         }
         if (attr_mask & IB_QP_PATH_MTU) {
-                if (ib_mtu_enum_to_int(eth_mtu) <
-                    ib_mtu_enum_to_int(attrs->path_mtu)) {
+                if (attrs->path_mtu < IB_MTU_256 ||
+                    attrs->path_mtu > IB_MTU_4096) {
                         status = -EINVAL;
                         goto pmtu_err;
                 }
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
index ffa5511baf3c..7698572b79fb 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
@@ -75,7 +75,7 @@ int ocrdma_query_device(struct ib_device *ibdev, struct ib_device_attr *attr)
         attr->vendor_part_id = dev->nic_info.pdev->device;
         attr->hw_ver = 0;
         attr->max_qp = dev->attr.max_qp;
-        attr->max_ah = dev->attr.max_qp;
+        attr->max_ah = OCRDMA_MAX_AH;
         attr->max_qp_wr = dev->attr.max_wqe;
 
         attr->device_cap_flags = IB_DEVICE_CURR_QP_STATE_MOD |