diff options
Diffstat (limited to 'drivers/infiniband/hw/mlx5/ah.c')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/ah.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx5/ah.c b/drivers/infiniband/hw/mlx5/ah.c index fe269f680103..e6bde32a83f3 100644 --- a/drivers/infiniband/hw/mlx5/ah.c +++ b/drivers/infiniband/hw/mlx5/ah.c @@ -36,6 +36,9 @@ static struct ib_ah *create_ib_ah(struct mlx5_ib_dev *dev, struct mlx5_ib_ah *ah, struct rdma_ah_attr *ah_attr) { + enum ib_gid_type gid_type; + int err; + if (rdma_ah_get_ah_flags(ah_attr) & IB_AH_GRH) { const struct ib_global_route *grh = rdma_ah_read_grh(ah_attr); @@ -50,6 +53,12 @@ static struct ib_ah *create_ib_ah(struct mlx5_ib_dev *dev, ah->av.stat_rate_sl = (rdma_ah_get_static_rate(ah_attr) << 4); if (ah_attr->type == RDMA_AH_ATTR_TYPE_ROCE) { + err = mlx5_get_roce_gid_type(dev, ah_attr->port_num, + ah_attr->grh.sgid_index, + &gid_type); + if (err) + return ERR_PTR(err); + memcpy(ah->av.rmac, ah_attr->roce.dmac, sizeof(ah_attr->roce.dmac)); ah->av.udp_sport = @@ -57,6 +66,9 @@ static struct ib_ah *create_ib_ah(struct mlx5_ib_dev *dev, rdma_ah_get_port_num(ah_attr), rdma_ah_read_grh(ah_attr)->sgid_index); ah->av.stat_rate_sl |= (rdma_ah_get_sl(ah_attr) & 0x7) << 1; + if (gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP) +#define MLX5_ECN_ENABLED BIT(1) + ah->av.tclass |= MLX5_ECN_ENABLED; } else { ah->av.rlid = cpu_to_be16(rdma_ah_get_dlid(ah_attr)); ah->av.fl_mlid = rdma_ah_get_path_bits(ah_attr) & 0x7f; |