diff options
Diffstat (limited to 'drivers/infiniband/hw/mlx5/qp.c')
-rw-r--r-- | drivers/infiniband/hw/mlx5/qp.c | 86 |
1 files changed, 45 insertions, 41 deletions
diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c index 22c6739d9311..21acb30c3e9a 100644 --- a/drivers/infiniband/hw/mlx5/qp.c +++ b/drivers/infiniband/hw/mlx5/qp.c @@ -2211,58 +2211,60 @@ static int mlx5_set_path(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, u32 path_flags, const struct ib_qp_attr *attr, bool alt) { + const struct ib_global_route *grh = rdma_ah_read_grh(ah); enum rdma_link_layer ll = rdma_port_get_link_layer(&dev->ib_dev, port); int err; enum ib_gid_type gid_type; + u8 ah_flags = rdma_ah_get_ah_flags(ah); + u8 sl = rdma_ah_get_sl(ah); if (attr_mask & IB_QP_PKEY_INDEX) path->pkey_index = cpu_to_be16(alt ? attr->alt_pkey_index : attr->pkey_index); - if (ah->ah_flags & IB_AH_GRH) { - if (ah->grh.sgid_index >= + if (ah_flags & IB_AH_GRH) { + if (grh->sgid_index >= dev->mdev->port_caps[port - 1].gid_table_len) { pr_err("sgid_index (%u) too large. max is %d\n", - ah->grh.sgid_index, + grh->sgid_index, dev->mdev->port_caps[port - 1].gid_table_len); return -EINVAL; } } - if (ll == IB_LINK_LAYER_ETHERNET) { - if (!(ah->ah_flags & IB_AH_GRH)) + if (!(ah_flags & IB_AH_GRH)) return -EINVAL; - err = mlx5_get_roce_gid_type(dev, port, ah->grh.sgid_index, + err = mlx5_get_roce_gid_type(dev, port, grh->sgid_index, &gid_type); if (err) return err; memcpy(path->rmac, ah->dmac, sizeof(ah->dmac)); path->udp_sport = mlx5_get_roce_udp_sport(dev, port, - ah->grh.sgid_index); - path->dci_cfi_prio_sl = (ah->sl & 0x7) << 4; + grh->sgid_index); + path->dci_cfi_prio_sl = (sl & 0x7) << 4; if (gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP) - path->ecn_dscp = (ah->grh.traffic_class >> 2) & 0x3f; + path->ecn_dscp = (grh->traffic_class >> 2) & 0x3f; } else { path->fl_free_ar = (path_flags & MLX5_PATH_FLAG_FL) ? 0x80 : 0; path->fl_free_ar |= (path_flags & MLX5_PATH_FLAG_FREE_AR) ? 0x40 : 0; - path->rlid = cpu_to_be16(ah->dlid); - path->grh_mlid = ah->src_path_bits & 0x7f; - if (ah->ah_flags & IB_AH_GRH) + path->rlid = cpu_to_be16(rdma_ah_get_dlid(ah)); + path->grh_mlid = rdma_ah_get_path_bits(ah) & 0x7f; + if (ah_flags & IB_AH_GRH) path->grh_mlid |= 1 << 7; - path->dci_cfi_prio_sl = ah->sl & 0xf; + path->dci_cfi_prio_sl = sl & 0xf; } - if (ah->ah_flags & IB_AH_GRH) { - path->mgid_index = ah->grh.sgid_index; - path->hop_limit = ah->grh.hop_limit; + if (ah_flags & IB_AH_GRH) { + path->mgid_index = grh->sgid_index; + path->hop_limit = grh->hop_limit; path->tclass_flowlabel = - cpu_to_be32((ah->grh.traffic_class << 20) | - (ah->grh.flow_label)); - memcpy(path->rgid, ah->grh.dgid.raw, 16); + cpu_to_be32((grh->traffic_class << 20) | + (grh->flow_label)); + memcpy(path->rgid, grh->dgid.raw, 16); } - err = ib_rate_to_mlx5(dev, ah->static_rate); + err = ib_rate_to_mlx5(dev, rdma_ah_get_static_rate(ah)); if (err < 0) return err; path->static_rate = err; @@ -2274,7 +2276,7 @@ static int mlx5_set_path(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, if ((qp->ibqp.qp_type == IB_QPT_RAW_PACKET) && qp->sq.wqe_cnt) return modify_raw_packet_eth_prio(dev->mdev, &qp->raw_packet_qp.sq, - ah->sl & 0xf); + sl & 0xf); return 0; } @@ -4250,33 +4252,34 @@ static int to_ib_qp_access_flags(int mlx5_flags) } static void to_rdma_ah_attr(struct mlx5_ib_dev *ibdev, - struct rdma_ah_attr *ib_ah_attr, + struct rdma_ah_attr *ah_attr, struct mlx5_qp_path *path) { struct mlx5_core_dev *dev = ibdev->mdev; - memset(ib_ah_attr, 0, sizeof(*ib_ah_attr)); - ib_ah_attr->port_num = path->port; + memset(ah_attr, 0, sizeof(*ah_attr)); - if (ib_ah_attr->port_num == 0 || - ib_ah_attr->port_num > MLX5_CAP_GEN(dev, num_ports)) + rdma_ah_set_port_num(ah_attr, path->port); + if (rdma_ah_get_port_num(ah_attr) == 0 || + rdma_ah_get_port_num(ah_attr) > MLX5_CAP_GEN(dev, num_ports)) return; - ib_ah_attr->sl = path->dci_cfi_prio_sl & 0xf; + rdma_ah_set_port_num(ah_attr, path->port); + rdma_ah_set_sl(ah_attr, path->dci_cfi_prio_sl & 0xf); + + rdma_ah_set_dlid(ah_attr, be16_to_cpu(path->rlid)); + rdma_ah_set_path_bits(ah_attr, path->grh_mlid & 0x7f); + rdma_ah_set_static_rate(ah_attr, + path->static_rate ? path->static_rate - 5 : 0); + if (path->grh_mlid & (1 << 7)) { + u32 tc_fl = be32_to_cpu(path->tclass_flowlabel); - ib_ah_attr->dlid = be16_to_cpu(path->rlid); - ib_ah_attr->src_path_bits = path->grh_mlid & 0x7f; - ib_ah_attr->static_rate = path->static_rate ? path->static_rate - 5 : 0; - ib_ah_attr->ah_flags = (path->grh_mlid & (1 << 7)) ? IB_AH_GRH : 0; - if (ib_ah_attr->ah_flags) { - ib_ah_attr->grh.sgid_index = path->mgid_index; - ib_ah_attr->grh.hop_limit = path->hop_limit; - ib_ah_attr->grh.traffic_class = - (be32_to_cpu(path->tclass_flowlabel) >> 20) & 0xff; - ib_ah_attr->grh.flow_label = - be32_to_cpu(path->tclass_flowlabel) & 0xfffff; - memcpy(ib_ah_attr->grh.dgid.raw, - path->rgid, sizeof(ib_ah_attr->grh.dgid.raw)); + rdma_ah_set_grh(ah_attr, NULL, + tc_fl & 0xfffff, + path->mgid_index, + path->hop_limit, + (tc_fl >> 20) & 0xff); + rdma_ah_set_dgid_raw(ah_attr, path->rgid); } } @@ -4445,7 +4448,8 @@ static int query_qp_attr(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp, to_rdma_ah_attr(dev, &qp_attr->alt_ah_attr, &context->alt_path); qp_attr->alt_pkey_index = be16_to_cpu(context->alt_path.pkey_index); - qp_attr->alt_port_num = qp_attr->alt_ah_attr.port_num; + qp_attr->alt_port_num = + rdma_ah_get_port_num(&qp_attr->alt_ah_attr); } qp_attr->pkey_index = be16_to_cpu(context->pri_path.pkey_index); |