2 * Copyright (c) 2016, Mellanox Technologies. All rights reserved.
4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * OpenIB.org BSD license below:
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and/or other materials
21 * provided with the distribution.
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
33 #include <linux/module.h>
34 #include <linux/mlx5/vport.h>
37 static inline u32 mlx_to_net_policy(enum port_state_policy mlx_policy)
40 case MLX5_POLICY_DOWN:
41 return IFLA_VF_LINK_STATE_DISABLE;
43 return IFLA_VF_LINK_STATE_ENABLE;
44 case MLX5_POLICY_FOLLOW:
45 return IFLA_VF_LINK_STATE_AUTO;
47 return __IFLA_VF_LINK_STATE_MAX;
51 int mlx5_ib_get_vf_config(struct ib_device *device, int vf, u8 port,
52 struct ifla_vf_info *info)
54 struct mlx5_ib_dev *dev = to_mdev(device);
55 struct mlx5_core_dev *mdev = dev->mdev;
56 struct mlx5_hca_vport_context *rep;
59 rep = kzalloc(sizeof(*rep), GFP_KERNEL);
63 err = mlx5_query_hca_vport_context(mdev, 1, 1, vf + 1, rep);
65 mlx5_ib_warn(dev, "failed to query port policy for vf %d (%d)\n",
69 memset(info, 0, sizeof(*info));
70 info->linkstate = mlx_to_net_policy(rep->policy);
71 if (info->linkstate == __IFLA_VF_LINK_STATE_MAX)
79 static inline enum port_state_policy net_to_mlx_policy(int policy)
82 case IFLA_VF_LINK_STATE_DISABLE:
83 return MLX5_POLICY_DOWN;
84 case IFLA_VF_LINK_STATE_ENABLE:
85 return MLX5_POLICY_UP;
86 case IFLA_VF_LINK_STATE_AUTO:
87 return MLX5_POLICY_FOLLOW;
89 return MLX5_POLICY_INVALID;
93 int mlx5_ib_set_vf_link_state(struct ib_device *device, int vf,
96 struct mlx5_ib_dev *dev = to_mdev(device);
97 struct mlx5_core_dev *mdev = dev->mdev;
98 struct mlx5_hca_vport_context *in;
101 in = kzalloc(sizeof(*in), GFP_KERNEL);
105 in->policy = net_to_mlx_policy(state);
106 if (in->policy == MLX5_POLICY_INVALID) {
110 in->field_select = MLX5_HCA_VPORT_SEL_STATE_POLICY;
111 err = mlx5_core_modify_hca_vport_context(mdev, 1, 1, vf + 1, in);
118 int mlx5_ib_get_vf_stats(struct ib_device *device, int vf,
119 u8 port, struct ifla_vf_stats *stats)
121 int out_sz = MLX5_ST_SZ_BYTES(query_vport_counter_out);
122 struct mlx5_core_dev *mdev;
123 struct mlx5_ib_dev *dev;
127 dev = to_mdev(device);
130 out = kzalloc(out_sz, GFP_KERNEL);
134 err = mlx5_core_query_vport_counter(mdev, true, vf, port, out, out_sz);
138 stats->rx_packets = MLX5_GET64_PR(query_vport_counter_out, out, received_ib_unicast.packets);
139 stats->tx_packets = MLX5_GET64_PR(query_vport_counter_out, out, transmitted_ib_unicast.packets);
140 stats->rx_bytes = MLX5_GET64_PR(query_vport_counter_out, out, received_ib_unicast.octets);
141 stats->tx_bytes = MLX5_GET64_PR(query_vport_counter_out, out, transmitted_ib_unicast.octets);
142 stats->multicast = MLX5_GET64_PR(query_vport_counter_out, out, received_ib_multicast.packets);
149 static int set_vf_node_guid(struct ib_device *device, int vf, u8 port, u64 guid)
151 struct mlx5_ib_dev *dev = to_mdev(device);
152 struct mlx5_core_dev *mdev = dev->mdev;
153 struct mlx5_hca_vport_context *in;
156 in = kzalloc(sizeof(*in), GFP_KERNEL);
160 in->field_select = MLX5_HCA_VPORT_SEL_NODE_GUID;
161 in->node_guid = guid;
162 err = mlx5_core_modify_hca_vport_context(mdev, 1, 1, vf + 1, in);
167 static int set_vf_port_guid(struct ib_device *device, int vf, u8 port, u64 guid)
169 struct mlx5_ib_dev *dev = to_mdev(device);
170 struct mlx5_core_dev *mdev = dev->mdev;
171 struct mlx5_hca_vport_context *in;
174 in = kzalloc(sizeof(*in), GFP_KERNEL);
178 in->field_select = MLX5_HCA_VPORT_SEL_PORT_GUID;
179 in->port_guid = guid;
180 err = mlx5_core_modify_hca_vport_context(mdev, 1, 1, vf + 1, in);
185 int mlx5_ib_set_vf_guid(struct ib_device *device, int vf, u8 port,
188 if (type == IFLA_VF_IB_NODE_GUID)
189 return set_vf_node_guid(device, vf, port, guid);
190 else if (type == IFLA_VF_IB_PORT_GUID)
191 return set_vf_port_guid(device, vf, port, guid);