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
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29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
33 #include <linux/mlx5/vport.h>
36 static inline u32 mlx_to_net_policy(enum port_state_policy mlx_policy)
39 case MLX5_POLICY_DOWN:
40 return IFLA_VF_LINK_STATE_DISABLE;
42 return IFLA_VF_LINK_STATE_ENABLE;
43 case MLX5_POLICY_FOLLOW:
44 return IFLA_VF_LINK_STATE_AUTO;
46 return __IFLA_VF_LINK_STATE_MAX;
50 int mlx5_ib_get_vf_config(struct ib_device *device, int vf, u32 port,
51 struct ifla_vf_info *info)
53 struct mlx5_ib_dev *dev = to_mdev(device);
54 struct mlx5_core_dev *mdev = dev->mdev;
55 struct mlx5_hca_vport_context *rep;
58 rep = kzalloc(sizeof(*rep), GFP_KERNEL);
62 err = mlx5_query_hca_vport_context(mdev, 1, 1, vf + 1, rep);
64 mlx5_ib_warn(dev, "failed to query port policy for vf %d (%d)\n",
68 memset(info, 0, sizeof(*info));
69 info->linkstate = mlx_to_net_policy(rep->policy);
70 if (info->linkstate == __IFLA_VF_LINK_STATE_MAX)
78 static inline enum port_state_policy net_to_mlx_policy(int policy)
81 case IFLA_VF_LINK_STATE_DISABLE:
82 return MLX5_POLICY_DOWN;
83 case IFLA_VF_LINK_STATE_ENABLE:
84 return MLX5_POLICY_UP;
85 case IFLA_VF_LINK_STATE_AUTO:
86 return MLX5_POLICY_FOLLOW;
88 return MLX5_POLICY_INVALID;
92 int mlx5_ib_set_vf_link_state(struct ib_device *device, int vf,
95 struct mlx5_ib_dev *dev = to_mdev(device);
96 struct mlx5_core_dev *mdev = dev->mdev;
97 struct mlx5_hca_vport_context *in;
98 struct mlx5_vf_context *vfs_ctx = mdev->priv.sriov.vfs_ctx;
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);
113 vfs_ctx[vf].policy = in->policy;
120 int mlx5_ib_get_vf_stats(struct ib_device *device, int vf,
121 u32 port, struct ifla_vf_stats *stats)
123 int out_sz = MLX5_ST_SZ_BYTES(query_vport_counter_out);
124 struct mlx5_core_dev *mdev;
125 struct mlx5_ib_dev *dev;
129 dev = to_mdev(device);
132 out = kzalloc(out_sz, GFP_KERNEL);
136 err = mlx5_core_query_vport_counter(mdev, true, vf, port, out);
140 stats->rx_packets = MLX5_GET64_PR(query_vport_counter_out, out, received_ib_unicast.packets);
141 stats->tx_packets = MLX5_GET64_PR(query_vport_counter_out, out, transmitted_ib_unicast.packets);
142 stats->rx_bytes = MLX5_GET64_PR(query_vport_counter_out, out, received_ib_unicast.octets);
143 stats->tx_bytes = MLX5_GET64_PR(query_vport_counter_out, out, transmitted_ib_unicast.octets);
144 stats->multicast = MLX5_GET64_PR(query_vport_counter_out, out, received_ib_multicast.packets);
151 static int set_vf_node_guid(struct ib_device *device, int vf, u32 port,
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, u32 port,
178 struct mlx5_ib_dev *dev = to_mdev(device);
179 struct mlx5_core_dev *mdev = dev->mdev;
180 struct mlx5_hca_vport_context *in;
181 struct mlx5_vf_context *vfs_ctx = mdev->priv.sriov.vfs_ctx;
184 in = kzalloc(sizeof(*in), GFP_KERNEL);
188 in->field_select = MLX5_HCA_VPORT_SEL_PORT_GUID;
189 in->port_guid = guid;
190 err = mlx5_core_modify_hca_vport_context(mdev, 1, 1, vf + 1, in);
192 vfs_ctx[vf].port_guid = guid;
193 vfs_ctx[vf].port_guid_valid = 1;
199 int mlx5_ib_set_vf_guid(struct ib_device *device, int vf, u32 port,
202 if (type == IFLA_VF_IB_NODE_GUID)
203 return set_vf_node_guid(device, vf, port, guid);
204 else if (type == IFLA_VF_IB_PORT_GUID)
205 return set_vf_port_guid(device, vf, port, guid);
210 int mlx5_ib_get_vf_guid(struct ib_device *device, int vf, u32 port,
211 struct ifla_vf_guid *node_guid,
212 struct ifla_vf_guid *port_guid)
214 struct mlx5_ib_dev *dev = to_mdev(device);
215 struct mlx5_core_dev *mdev = dev->mdev;
216 struct mlx5_vf_context *vfs_ctx = mdev->priv.sriov.vfs_ctx;
219 vfs_ctx[vf].node_guid_valid ? vfs_ctx[vf].node_guid : 0;
221 vfs_ctx[vf].port_guid_valid ? vfs_ctx[vf].port_guid : 0;