int mlx5_query_hca_vport_gid(struct mlx5_core_dev *dev, u8 port_num,
u16 vport_num, u16 gid_index, union ib_gid *gid)
{
int in_sz = MLX5_ST_SZ_BYTES(query_hca_vport_gid_in);
int out_sz = MLX5_ST_SZ_BYTES(query_hca_vport_gid_out);
int is_group_manager;
void *out = NULL;
void *in = NULL;
union ib_gid *tmp;
int tbsz;
int nout;
int err;
is_group_manager = MLX5_CAP_GEN(dev, vport_group_manager);
tbsz = mlx5_get_gid_table_len(MLX5_CAP_GEN(dev, gid_table_size));
if (gid_index > tbsz && gid_index != 0xffff)
return -EINVAL;
if (gid_index == 0xffff)
nout = tbsz;
else
nout = 1;
out_sz += nout * sizeof(*gid);
in = mlx5_vzalloc(in_sz);
out = mlx5_vzalloc(out_sz);
if (!in || !out) {
err = -ENOMEM;
goto out;
}
MLX5_SET(query_hca_vport_gid_in, in, opcode,
MLX5_CMD_OP_QUERY_HCA_VPORT_GID);
if (vport_num) {
if (is_group_manager) {
MLX5_SET(query_hca_vport_gid_in, in, vport_number,
vport_num);
MLX5_SET(query_hca_vport_gid_in, in, other_vport, 1);
} else {
err = -EPERM;
goto out;
}
}
MLX5_SET(query_hca_vport_gid_in, in, gid_index, gid_index);
if (MLX5_CAP_GEN(dev, num_ports) == 2)
MLX5_SET(query_hca_vport_gid_in, in, port_num, port_num);
err = mlx5_cmd_exec(dev, in, in_sz, out, out_sz);
if (err)
goto out;
tmp = (union ib_gid *)MLX5_ADDR_OF(query_hca_vport_gid_out, out, gid);
gid->global.subnet_prefix = tmp->global.subnet_prefix;
gid->global.interface_id = tmp->global.interface_id;
out:
kvfree(in);
kvfree(out);
return err;
}
static int mlx5_query_hca_port(struct ib_device *ibdev, u8 port,
struct ib_port_attr *props)
{
struct mlx5_ib_dev *dev = to_mdev(ibdev);
struct mlx5_core_dev *mdev = dev->mdev;
struct mlx5_hca_vport_context *rep;
int max_mtu;
int oper_mtu;
int err;
u8 ib_link_width_oper;
u8 vl_hw_cap;
rep = kzalloc(sizeof(*rep), GFP_KERNEL);
if (!rep) {
err = -ENOMEM;
goto out;
}
memset(props, 0, sizeof(*props));
err = mlx5_query_hca_vport_context(mdev, 0, port, 0, rep);
if (err)
goto out;
props->lid = rep->lid;
props->lmc = rep->lmc;
props->sm_lid = rep->sm_lid;
props->sm_sl = rep->sm_sl;
props->state = rep->vport_state;
props->phys_state = rep->port_physical_state;
props->port_cap_flags = rep->cap_mask1;
props->gid_tbl_len = mlx5_get_gid_table_len(MLX5_CAP_GEN(mdev, gid_table_size));
props->max_msg_sz = 1 << MLX5_CAP_GEN(mdev, log_max_msg);
props->pkey_tbl_len = mlx5_to_sw_pkey_sz(MLX5_CAP_GEN(mdev, pkey_table_size));
props->bad_pkey_cntr = rep->pkey_violation_counter;
props->qkey_viol_cntr = rep->qkey_violation_counter;
props->subnet_timeout = rep->subnet_timeout;
props->init_type_reply = rep->init_type_reply;
err = mlx5_query_port_link_width_oper(mdev, &ib_link_width_oper, port);
if (err)
goto out;
err = translate_active_width(ibdev, ib_link_width_oper,
&props->active_width);
if (err)
goto out;
err = mlx5_query_port_proto_oper(mdev, &props->active_speed, MLX5_PTYS_IB,
port);
if (err)
goto out;
mlx5_query_port_max_mtu(mdev, &max_mtu, port);
props->max_mtu = mlx5_mtu_to_ib_mtu(max_mtu);
mlx5_query_port_oper_mtu(mdev, &oper_mtu, port);
props->active_mtu = mlx5_mtu_to_ib_mtu(oper_mtu);
err = mlx5_query_port_vl_hw_cap(mdev, &vl_hw_cap, port);
if (err)
goto out;
err = translate_max_vl_num(ibdev, vl_hw_cap,
&props->max_vl_num);
out:
kfree(rep);
return err;
}
