diff options
| author |   Parav Pandit <parav@mellanox.com> | 2018-01-09 15:24:53 +0200 |
|---|---|---|
| committer |   Jason Gunthorpe <jgg@mellanox.com> | 2018-01-15 15:33:21 -0700 |
| commit | a6753c4d6257feef2a82522d0d222166d4be4aa8 (patch) | |
| tree | e85871bb14d4d0f7d567a6ce5e75fb4f70a1df65 /drivers | |
| parent | IB/core: Attempt DMAC resolution for only RoCE (diff) | |
| download | linux-dev-a6753c4d6257feef2a82522d0d222166d4be4aa8.tar.xz linux-dev-a6753c4d6257feef2a82522d0d222166d4be4aa8.zip | |
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/infiniband/core/verbs.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c index b110db6dbef0..49a2a764c0bf 100644 --- a/drivers/infiniband/core/verbs.c +++ b/drivers/infiniband/core/verbs.c @@ -1349,6 +1349,14 @@ static int _ib_modify_qp(struct ib_qp *qp, struct ib_qp_attr *attr, 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_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; 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); if (ret) return ret; |