commit d3cb6c0b2a0d9f507fff8d7c74b2b334d6751bee
author Naresh Gottumukkala <bgottumukkala@emulex.com> Mon Aug 26 15:27:40 2013 +0530
committer Roland Dreier <roland@purestorage.com> Mon Sep 02 21:17:53 2013 -0700
tree 52e0e0f9c157edaeb7c0eaa85b75ac5eb3739e87
parent 7c33880c3cb2cda816d4d64852c6a81018b9bc1f

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>

drivers/infiniband/hw/ocrdma/ocrdma_hw.c

diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c
index af3c5f5..6a62b23 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c
@@ -2102,8 +2102,6 @@
 				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 @@
 		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;
 		}