2 * Copyright (c) 2016, Mellanox Technologies, Ltd. All rights reserved.
4 * This software is available to you under a choice of one of two
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6 * General Public License (GPL) Version 2, available from the file
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8 * OpenIB.org BSD license below:
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11 * without modification, are permitted provided that the following
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23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
33 #include <linux/kernel.h>
34 #include <linux/module.h>
35 #include <linux/mlx5/driver.h>
36 #include "mlx5_core.h"
39 void mlx5e_vxlan_init(struct mlx5e_priv *priv)
41 struct mlx5e_vxlan_db *vxlan_db = &priv->vxlan;
43 spin_lock_init(&vxlan_db->lock);
44 INIT_RADIX_TREE(&vxlan_db->tree, GFP_ATOMIC);
47 static int mlx5e_vxlan_core_add_port_cmd(struct mlx5_core_dev *mdev, u16 port)
49 u32 in[MLX5_ST_SZ_DW(add_vxlan_udp_dport_in)] = {0};
50 u32 out[MLX5_ST_SZ_DW(add_vxlan_udp_dport_out)] = {0};
52 MLX5_SET(add_vxlan_udp_dport_in, in, opcode,
53 MLX5_CMD_OP_ADD_VXLAN_UDP_DPORT);
54 MLX5_SET(add_vxlan_udp_dport_in, in, vxlan_udp_port, port);
55 return mlx5_cmd_exec(mdev, in, sizeof(in), out, sizeof(out));
58 static int mlx5e_vxlan_core_del_port_cmd(struct mlx5_core_dev *mdev, u16 port)
60 u32 in[MLX5_ST_SZ_DW(delete_vxlan_udp_dport_in)] = {0};
61 u32 out[MLX5_ST_SZ_DW(delete_vxlan_udp_dport_out)] = {0};
63 MLX5_SET(delete_vxlan_udp_dport_in, in, opcode,
64 MLX5_CMD_OP_DELETE_VXLAN_UDP_DPORT);
65 MLX5_SET(delete_vxlan_udp_dport_in, in, vxlan_udp_port, port);
66 return mlx5_cmd_exec(mdev, in, sizeof(in), out, sizeof(out));
69 struct mlx5e_vxlan *mlx5e_vxlan_lookup_port(struct mlx5e_priv *priv, u16 port)
71 struct mlx5e_vxlan_db *vxlan_db = &priv->vxlan;
72 struct mlx5e_vxlan *vxlan;
74 spin_lock(&vxlan_db->lock);
75 vxlan = radix_tree_lookup(&vxlan_db->tree, port);
76 spin_unlock(&vxlan_db->lock);
81 static void mlx5e_vxlan_add_port(struct work_struct *work)
83 struct mlx5e_vxlan_work *vxlan_work =
84 container_of(work, struct mlx5e_vxlan_work, work);
85 struct mlx5e_priv *priv = vxlan_work->priv;
86 struct mlx5e_vxlan_db *vxlan_db = &priv->vxlan;
87 u16 port = vxlan_work->port;
88 struct mlx5e_vxlan *vxlan;
91 if (mlx5e_vxlan_lookup_port(priv, port))
94 if (mlx5e_vxlan_core_add_port_cmd(priv->mdev, port))
97 vxlan = kzalloc(sizeof(*vxlan), GFP_KERNEL);
101 vxlan->udp_port = port;
103 spin_lock_irq(&vxlan_db->lock);
104 err = radix_tree_insert(&vxlan_db->tree, vxlan->udp_port, vxlan);
105 spin_unlock_irq(&vxlan_db->lock);
114 mlx5e_vxlan_core_del_port_cmd(priv->mdev, port);
119 static void __mlx5e_vxlan_core_del_port(struct mlx5e_priv *priv, u16 port)
121 struct mlx5e_vxlan_db *vxlan_db = &priv->vxlan;
122 struct mlx5e_vxlan *vxlan;
124 spin_lock_irq(&vxlan_db->lock);
125 vxlan = radix_tree_delete(&vxlan_db->tree, port);
126 spin_unlock_irq(&vxlan_db->lock);
131 mlx5e_vxlan_core_del_port_cmd(priv->mdev, vxlan->udp_port);
136 static void mlx5e_vxlan_del_port(struct work_struct *work)
138 struct mlx5e_vxlan_work *vxlan_work =
139 container_of(work, struct mlx5e_vxlan_work, work);
140 struct mlx5e_priv *priv = vxlan_work->priv;
141 u16 port = vxlan_work->port;
143 __mlx5e_vxlan_core_del_port(priv, port);
148 void mlx5e_vxlan_queue_work(struct mlx5e_priv *priv, sa_family_t sa_family,
151 struct mlx5e_vxlan_work *vxlan_work;
153 vxlan_work = kmalloc(sizeof(*vxlan_work), GFP_ATOMIC);
158 INIT_WORK(&vxlan_work->work, mlx5e_vxlan_add_port);
160 INIT_WORK(&vxlan_work->work, mlx5e_vxlan_del_port);
162 vxlan_work->priv = priv;
163 vxlan_work->port = port;
164 vxlan_work->sa_family = sa_family;
165 queue_work(priv->wq, &vxlan_work->work);
168 void mlx5e_vxlan_cleanup(struct mlx5e_priv *priv)
170 struct mlx5e_vxlan_db *vxlan_db = &priv->vxlan;
171 struct mlx5e_vxlan *vxlan;
172 unsigned int port = 0;
174 spin_lock_irq(&vxlan_db->lock);
175 while (radix_tree_gang_lookup(&vxlan_db->tree, (void **)&vxlan, port, 1)) {
176 port = vxlan->udp_port;
177 spin_unlock_irq(&vxlan_db->lock);
178 __mlx5e_vxlan_core_del_port(priv, (u16)port);
179 spin_lock_irq(&vxlan_db->lock);
181 spin_unlock_irq(&vxlan_db->lock);