l2tp_ip_pernet
pn = l2tp_ip_pernet(net);
struct l2tp_ip_net *pn = l2tp_ip_pernet(sock_net(sk));
struct l2tp_ip_net *pn = l2tp_ip_pernet(sock_net(sk));
struct l2tp_ip_net *pn = l2tp_ip_pernet(sock_net(sk));
pn = l2tp_ip_pernet(net);
struct l2tp_ip_net *pn = l2tp_ip_pernet(sock_net(sk));
struct l2tp_ip_net *pn = l2tp_ip_pernet(net);
struct l2tp_ip_net *pn = l2tp_ip_pernet(net);