diff options
| author | Parav Pandit <parav@mellanox.com> | 2019-05-02 10:48:03 +0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2019-05-03 11:10:02 -0300 |
| commit | a70c07397fd80dfeeaead15751ab71449b548826 (patch) | |
| tree | 7510cecb45238f1f242e54e6c906e144a71a7a0a /drivers/infiniband/hw/qedr/qedr_roce_cm.c | |
| parent | 8f9748602491295b305960cd2cd4976ad15cb04f (diff) | |
RDMA: Introduce and use GID attr helper to read RoCE L2 fields
Instead of RoCE drivers figuring out vlan, smac fields while working on
QP/AH, provide a helper routine to read the L2 fields such as vlan_id and
source mac address.
This moves logic from mlx5 driver to core for wider usage for RoCE ports.
This is a preparation patch to allow detaching netdev in subsequent patch.
Signed-off-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/hw/qedr/qedr_roce_cm.c')
| -rw-r--r-- | drivers/infiniband/hw/qedr/qedr_roce_cm.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/infiniband/hw/qedr/qedr_roce_cm.c b/drivers/infiniband/hw/qedr/qedr_roce_cm.c index e1ac2fd60bb1..f5542d703ef9 100644 --- a/drivers/infiniband/hw/qedr/qedr_roce_cm.c +++ b/drivers/infiniband/hw/qedr/qedr_roce_cm.c @@ -397,14 +397,17 @@ static inline int qedr_gsi_build_header(struct qedr_dev *dev, bool has_udp = false; int i; - send_size = 0; - for (i = 0; i < swr->num_sge; ++i) - send_size += swr->sg_list[i].length; + rc = rdma_read_gid_l2_fields(sgid_attr, &vlan_id, NULL); + if (rc) + return rc; - vlan_id = rdma_vlan_dev_vlan_id(sgid_attr->ndev); if (vlan_id < VLAN_CFI_MASK) has_vlan = true; + send_size = 0; + for (i = 0; i < swr->num_sge; ++i) + send_size += swr->sg_list[i].length; + has_udp = (sgid_attr->gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP); if (!has_udp) { /* RoCE v1 */ |