core/lib/vxlan.c

36 #include <net/vxlan.h>
38 #include "vxlan.h"
72 bool mlx5_vxlan_lookup_port(struct mlx5_vxlan *vxlan, u16 port)
77 	if (!mlx5_vxlan_allowed(vxlan))
81 	hash_for_each_possible_rcu(vxlan->htable, vxlanp, hlist, port)
91 static struct mlx5_vxlan_port *vxlan_lookup_port(struct mlx5_vxlan *vxlan, u16 port)
95 	hash_for_each_possible(vxlan->htable, vxlanp, hlist, port)
101 int mlx5_vxlan_add_port(struct mlx5_vxlan *vxlan, u16 port)
111 	ret = mlx5_vxlan_core_add_port_cmd(vxlan->mdev, port);
117 	mutex_lock(&vxlan->sync_lock);
118 	hash_add_rcu(vxlan->htable, &vxlanp->hlist, port);
119 	mutex_unlock(&vxlan->sync_lock);
124 int mlx5_vxlan_del_port(struct mlx5_vxlan *vxlan, u16 port)
129 	mutex_lock(&vxlan->sync_lock);
131 	vxlanp = vxlan_lookup_port(vxlan, port);
139 	mlx5_vxlan_core_del_port_cmd(vxlan->mdev, port);
143 	mutex_unlock(&vxlan->sync_lock);
149 	struct mlx5_vxlan *vxlan;
154 	vxlan = kzalloc(sizeof(*vxlan), GFP_KERNEL);
155 	if (!vxlan)
158 	vxlan->mdev = mdev;
159 	mutex_init(&vxlan->sync_lock);
160 	hash_init(vxlan->htable);
163 	mlx5_vxlan_add_port(vxlan, IANA_VXLAN_UDP_PORT);
165 	return vxlan;
168 void mlx5_vxlan_destroy(struct mlx5_vxlan *vxlan)
170 	if (!mlx5_vxlan_allowed(vxlan))
173 	mlx5_vxlan_del_port(vxlan, IANA_VXLAN_UDP_PORT);
174 	WARN_ON(!hash_empty(vxlan->htable));
176 	kfree(vxlan);
179 void mlx5_vxlan_reset_to_default(struct mlx5_vxlan *vxlan)
185 	if (!mlx5_vxlan_allowed(vxlan))
188 	hash_for_each_safe(vxlan->htable, bkt, tmp, vxlanp, hlist) {
194 		mlx5_vxlan_del_port(vxlan, vxlanp->udp_port);