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;
99 struct mlx5_vf_context *vfs_ctx = mdev->priv.sriov.vfs_ctx;
102 in = kzalloc(sizeof(*in), GFP_KERNEL);
106 in->policy = net_to_mlx_policy(state);
107 if (in->policy == MLX5_POLICY_INVALID) {
111 in->field_select = MLX5_HCA_VPORT_SEL_STATE_POLICY;
112 err = mlx5_core_modify_hca_vport_context(mdev, 1, 1, vf + 1, in);
114 vfs_ctx[vf].policy = in->policy;
121 int mlx5_ib_get_vf_stats(struct ib_device *device, int vf,
122 u8 port, struct ifla_vf_stats *stats)
124 int out_sz = MLX5_ST_SZ_BYTES(query_vport_counter_out);
125 struct mlx5_core_dev *mdev;
126 struct mlx5_ib_dev *dev;
130 dev = to_mdev(device);
133 out = kzalloc(out_sz, GFP_KERNEL);
137 err = mlx5_core_query_vport_counter(mdev, true, vf, port, out);
141 stats->rx_packets = MLX5_GET64_PR(query_vport_counter_out, out, received_ib_unicast.packets);
142 stats->tx_packets = MLX5_GET64_PR(query_vport_counter_out, out, transmitted_ib_unicast.packets);
143 stats->rx_bytes = MLX5_GET64_PR(query_vport_counter_out, out, received_ib_unicast.octets);
144 stats->tx_bytes = MLX5_GET64_PR(query_vport_counter_out, out, transmitted_ib_unicast.octets);
145 stats->multicast = MLX5_GET64_PR(query_vport_counter_out, out, received_ib_multicast.packets);
152 static int set_vf_node_guid(struct ib_device *device, int vf, u8 port, u64 guid)
154 struct mlx5_ib_dev *dev = to_mdev(device);
155 struct mlx5_core_dev *mdev = dev->mdev;
156 struct mlx5_hca_vport_context *in;
157 struct mlx5_vf_context *vfs_ctx = mdev->priv.sriov.vfs_ctx;
160 in = kzalloc(sizeof(*in), GFP_KERNEL);
164 in->field_select = MLX5_HCA_VPORT_SEL_NODE_GUID;
165 in->node_guid = guid;
166 err = mlx5_core_modify_hca_vport_context(mdev, 1, 1, vf + 1, in);
168 vfs_ctx[vf].node_guid = guid;
169 vfs_ctx[vf].node_guid_valid = 1;
175 static int set_vf_port_guid(struct ib_device *device, int vf, u8 port, u64 guid)
177 struct mlx5_ib_dev *dev = to_mdev(device);
178 struct mlx5_core_dev *mdev = dev->mdev;
179 struct mlx5_hca_vport_context *in;
180 struct mlx5_vf_context *vfs_ctx = mdev->priv.sriov.vfs_ctx;
183 in = kzalloc(sizeof(*in), GFP_KERNEL);
187 in->field_select = MLX5_HCA_VPORT_SEL_PORT_GUID;
188 in->port_guid = guid;
189 err = mlx5_core_modify_hca_vport_context(mdev, 1, 1, vf + 1, in);
191 vfs_ctx[vf].port_guid = guid;
192 vfs_ctx[vf].port_guid_valid = 1;
198 int mlx5_ib_set_vf_guid(struct ib_device *device, int vf, u8 port,
201 if (type == IFLA_VF_IB_NODE_GUID)
202 return set_vf_node_guid(device, vf, port, guid);
203 else if (type == IFLA_VF_IB_PORT_GUID)
204 return set_vf_port_guid(device, vf, port, guid);
209 int mlx5_ib_get_vf_guid(struct ib_device *device, int vf, u8 port,
210 struct ifla_vf_guid *node_guid,
211 struct ifla_vf_guid *port_guid)
213 struct mlx5_ib_dev *dev = to_mdev(device);
214 struct mlx5_core_dev *mdev = dev->mdev;
215 struct mlx5_vf_context *vfs_ctx = mdev->priv.sriov.vfs_ctx;
218 vfs_ctx[vf].node_guid_valid ? vfs_ctx[vf].node_guid : 0;
220 vfs_ctx[vf].port_guid_valid ? vfs_ctx[vf].port_guid : 0;