diff options
Diffstat (limited to 'drivers/infiniband/hw/mlx5/ah.c')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/ah.c | 74 |
1 files changed, 38 insertions, 36 deletions
diff --git a/drivers/infiniband/hw/mlx5/ah.c b/drivers/infiniband/hw/mlx5/ah.c index d090e96f6f01..3363e29157f6 100644 --- a/drivers/infiniband/hw/mlx5/ah.c +++ b/drivers/infiniband/hw/mlx5/ah.c @@ -34,50 +34,51 @@ static struct ib_ah *create_ib_ah(struct mlx5_ib_dev *dev, struct mlx5_ib_ah *ah, - struct ib_ah_attr *ah_attr, - enum rdma_link_layer ll) + struct rdma_ah_attr *ah_attr) { - if (ah_attr->ah_flags & IB_AH_GRH) { - memcpy(ah->av.rgid, &ah_attr->grh.dgid, 16); - ah->av.grh_gid_fl = cpu_to_be32(ah_attr->grh.flow_label | + if (rdma_ah_get_ah_flags(ah_attr) & IB_AH_GRH) { + const struct ib_global_route *grh = rdma_ah_read_grh(ah_attr); + + memcpy(ah->av.rgid, &grh->dgid, 16); + ah->av.grh_gid_fl = cpu_to_be32(grh->flow_label | (1 << 30) | - ah_attr->grh.sgid_index << 20); - ah->av.hop_limit = ah_attr->grh.hop_limit; - ah->av.tclass = ah_attr->grh.traffic_class; + grh->sgid_index << 20); + ah->av.hop_limit = grh->hop_limit; + ah->av.tclass = grh->traffic_class; } - ah->av.stat_rate_sl = (ah_attr->static_rate << 4); + ah->av.stat_rate_sl = (rdma_ah_get_static_rate(ah_attr) << 4); - if (ll == IB_LINK_LAYER_ETHERNET) { - memcpy(ah->av.rmac, ah_attr->dmac, sizeof(ah_attr->dmac)); + if (ah_attr->type == RDMA_AH_ATTR_TYPE_ROCE) { + memcpy(ah->av.rmac, ah_attr->roce.dmac, + sizeof(ah_attr->roce.dmac)); ah->av.udp_sport = - mlx5_get_roce_udp_sport(dev, - ah_attr->port_num, - ah_attr->grh.sgid_index); - ah->av.stat_rate_sl |= (ah_attr->sl & 0x7) << 1; + mlx5_get_roce_udp_sport(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; } else { - ah->av.rlid = cpu_to_be16(ah_attr->dlid); - ah->av.fl_mlid = ah_attr->src_path_bits & 0x7f; - ah->av.stat_rate_sl |= (ah_attr->sl & 0xf); + ah->av.rlid = cpu_to_be16(rdma_ah_get_dlid(ah_attr)); + ah->av.fl_mlid = rdma_ah_get_path_bits(ah_attr) & 0x7f; + ah->av.stat_rate_sl |= (rdma_ah_get_sl(ah_attr) & 0xf); } return &ah->ibah; } -struct ib_ah *mlx5_ib_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr, +struct ib_ah *mlx5_ib_create_ah(struct ib_pd *pd, struct rdma_ah_attr *ah_attr, struct ib_udata *udata) { struct mlx5_ib_ah *ah; struct mlx5_ib_dev *dev = to_mdev(pd->device); - enum rdma_link_layer ll; - - ll = pd->device->get_link_layer(pd->device, ah_attr->port_num); + enum rdma_ah_attr_type ah_type = ah_attr->type; - if (ll == IB_LINK_LAYER_ETHERNET && !(ah_attr->ah_flags & IB_AH_GRH)) + if ((ah_type == RDMA_AH_ATTR_TYPE_ROCE) && + !(rdma_ah_get_ah_flags(ah_attr) & IB_AH_GRH)) return ERR_PTR(-EINVAL); - if (ll == IB_LINK_LAYER_ETHERNET && udata) { + if (ah_type == RDMA_AH_ATTR_TYPE_ROCE && udata) { int err; struct mlx5_ib_create_ah_resp resp = {}; u32 min_resp_len = offsetof(typeof(resp), dmac) + @@ -92,7 +93,7 @@ struct ib_ah *mlx5_ib_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr, if (err) return ERR_PTR(err); - memcpy(resp.dmac, ah_attr->dmac, ETH_ALEN); + memcpy(resp.dmac, ah_attr->roce.dmac, ETH_ALEN); err = ib_copy_to_udata(udata, &resp, resp.response_length); if (err) return ERR_PTR(err); @@ -102,28 +103,29 @@ struct ib_ah *mlx5_ib_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr, if (!ah) return ERR_PTR(-ENOMEM); - return create_ib_ah(dev, ah, ah_attr, ll); /* never fails */ + return create_ib_ah(dev, ah, ah_attr); /* never fails */ } -int mlx5_ib_query_ah(struct ib_ah *ibah, struct ib_ah_attr *ah_attr) +int mlx5_ib_query_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr) { struct mlx5_ib_ah *ah = to_mah(ibah); u32 tmp; memset(ah_attr, 0, sizeof(*ah_attr)); + ah_attr->type = ibah->type; tmp = be32_to_cpu(ah->av.grh_gid_fl); if (tmp & (1 << 30)) { - ah_attr->ah_flags = IB_AH_GRH; - ah_attr->grh.sgid_index = (tmp >> 20) & 0xff; - ah_attr->grh.flow_label = tmp & 0xfffff; - memcpy(&ah_attr->grh.dgid, ah->av.rgid, 16); - ah_attr->grh.hop_limit = ah->av.hop_limit; - ah_attr->grh.traffic_class = ah->av.tclass; + rdma_ah_set_grh(ah_attr, NULL, + tmp & 0xfffff, + (tmp >> 20) & 0xff, + ah->av.hop_limit, + ah->av.tclass); + rdma_ah_set_dgid_raw(ah_attr, ah->av.rgid); } - ah_attr->dlid = be16_to_cpu(ah->av.rlid); - ah_attr->static_rate = ah->av.stat_rate_sl >> 4; - ah_attr->sl = ah->av.stat_rate_sl & 0xf; + rdma_ah_set_dlid(ah_attr, be16_to_cpu(ah->av.rlid)); + rdma_ah_set_static_rate(ah_attr, ah->av.stat_rate_sl >> 4); + rdma_ah_set_sl(ah_attr, ah->av.stat_rate_sl & 0xf); return 0; } |