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
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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
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29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
35 /* mlx5e global resources should be placed in this file.
36 * Global resources are common to all the netdevices crated on the same nic.
39 int mlx5e_create_tir(struct mlx5_core_dev *mdev,
40 struct mlx5e_tir *tir, u32 *in, int inlen)
44 err = mlx5_core_create_tir(mdev, in, inlen, &tir->tirn);
48 mutex_lock(&mdev->mlx5e_res.td.list_lock);
49 list_add(&tir->list, &mdev->mlx5e_res.td.tirs_list);
50 mutex_unlock(&mdev->mlx5e_res.td.list_lock);
55 void mlx5e_destroy_tir(struct mlx5_core_dev *mdev,
56 struct mlx5e_tir *tir)
58 mutex_lock(&mdev->mlx5e_res.td.list_lock);
59 mlx5_core_destroy_tir(mdev, tir->tirn);
61 mutex_unlock(&mdev->mlx5e_res.td.list_lock);
64 static int mlx5e_create_mkey(struct mlx5_core_dev *mdev, u32 pdn,
65 struct mlx5_core_mkey *mkey)
67 int inlen = MLX5_ST_SZ_BYTES(create_mkey_in);
72 in = kvzalloc(inlen, GFP_KERNEL);
76 mkc = MLX5_ADDR_OF(create_mkey_in, in, memory_key_mkey_entry);
77 MLX5_SET(mkc, mkc, access_mode_1_0, MLX5_MKC_ACCESS_MODE_PA);
78 MLX5_SET(mkc, mkc, lw, 1);
79 MLX5_SET(mkc, mkc, lr, 1);
81 MLX5_SET(mkc, mkc, pd, pdn);
82 MLX5_SET(mkc, mkc, length64, 1);
83 MLX5_SET(mkc, mkc, qpn, 0xffffff);
85 err = mlx5_core_create_mkey(mdev, mkey, in, inlen);
91 int mlx5e_create_mdev_resources(struct mlx5_core_dev *mdev)
93 struct mlx5e_resources *res = &mdev->mlx5e_res;
96 err = mlx5_core_alloc_pd(mdev, &res->pdn);
98 mlx5_core_err(mdev, "alloc pd failed, %d\n", err);
102 err = mlx5_core_alloc_transport_domain(mdev, &res->td.tdn);
104 mlx5_core_err(mdev, "alloc td failed, %d\n", err);
108 err = mlx5e_create_mkey(mdev, res->pdn, &res->mkey);
110 mlx5_core_err(mdev, "create mkey failed, %d\n", err);
111 goto err_dealloc_transport_domain;
114 err = mlx5_alloc_bfreg(mdev, &res->bfreg, false, false);
116 mlx5_core_err(mdev, "alloc bfreg failed, %d\n", err);
117 goto err_destroy_mkey;
120 INIT_LIST_HEAD(&mdev->mlx5e_res.td.tirs_list);
121 mutex_init(&mdev->mlx5e_res.td.list_lock);
126 mlx5_core_destroy_mkey(mdev, &res->mkey);
127 err_dealloc_transport_domain:
128 mlx5_core_dealloc_transport_domain(mdev, res->td.tdn);
130 mlx5_core_dealloc_pd(mdev, res->pdn);
134 void mlx5e_destroy_mdev_resources(struct mlx5_core_dev *mdev)
136 struct mlx5e_resources *res = &mdev->mlx5e_res;
138 mlx5_free_bfreg(mdev, &res->bfreg);
139 mlx5_core_destroy_mkey(mdev, &res->mkey);
140 mlx5_core_dealloc_transport_domain(mdev, res->td.tdn);
141 mlx5_core_dealloc_pd(mdev, res->pdn);
142 memset(res, 0, sizeof(*res));
145 int mlx5e_refresh_tirs(struct mlx5e_priv *priv, bool enable_uc_lb)
147 struct mlx5_core_dev *mdev = priv->mdev;
148 struct mlx5e_tir *tir;
154 inlen = MLX5_ST_SZ_BYTES(modify_tir_in);
155 in = kvzalloc(inlen, GFP_KERNEL);
162 MLX5_SET(modify_tir_in, in, ctx.self_lb_block,
163 MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST);
165 MLX5_SET(modify_tir_in, in, bitmask.self_lb_en, 1);
167 mutex_lock(&mdev->mlx5e_res.td.list_lock);
168 list_for_each_entry(tir, &mdev->mlx5e_res.td.tirs_list, list) {
170 err = mlx5_core_modify_tir(mdev, tirn, in, inlen);
178 netdev_err(priv->netdev, "refresh tir(0x%x) failed, %d\n", tirn, err);
179 mutex_unlock(&mdev->mlx5e_res.td.list_lock);