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IB/core: Limit DMAC resolution to RoCE Connected QPs 

Resolving DMAC for RoCE is applicable to only Connected mode QPs.
So resolve DMAC for only for Connected mode QPs.

Signed-off-by: Parav Pandit <parav@mellanox.com>
Reviewed-by: Daniel Jurgens <danielj@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Parav Pandit 2018-01-09 15:24:53 +02:00 committed by Jason Gunthorpe
parent f2290d6d52
commit a6753c4d62
1 changed files with 10 additions and 1 deletions
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11
drivers/infiniband/core/verbs.c
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@ -1349,6 +1349,14 @@ static int _ib_modify_qp(struct ib_qp *qp, struct ib_qp_attr *attr,
return ret; return ret;
} }
static bool is_qp_type_connected(const struct ib_qp *qp)
{
return (qp->qp_type == IB_QPT_UC ||
qp->qp_type == IB_QPT_RC ||
qp->qp_type == IB_QPT_XRC_INI ||
qp->qp_type == IB_QPT_XRC_TGT);
}
/** /**
* ib_modify_qp_with_udata - Modifies the attributes for the specified QP. * ib_modify_qp_with_udata - Modifies the attributes for the specified QP.
* @ib_qp: The QP to modify. * @ib_qp: The QP to modify.
@ -1367,7 +1375,8 @@ int ib_modify_qp_with_udata(struct ib_qp *ib_qp, struct ib_qp_attr *attr,
int ret; int ret;
if (attr_mask & IB_QP_AV && if (attr_mask & IB_QP_AV &&
attr->ah_attr.type == RDMA_AH_ATTR_TYPE_ROCE) { attr->ah_attr.type == RDMA_AH_ATTR_TYPE_ROCE &&
is_qp_type_connected(qp)) {
ret = ib_resolve_eth_dmac(qp->device, &attr->ah_attr); ret = ib_resolve_eth_dmac(qp->device, &attr->ah_attr);
if (ret) if (ret)
return ret; return ret;