C++ (Cpp) tnl_add_ioctl示例

示例#1

文件： iptunnel.c 项目： gowthamramesh/CSC573

static int do_add(int cmd, int argc, char **argv)
{
	struct ip_tunnel_parm p;

	if (parse_args(argc, argv, cmd, &p) < 0)
		return -1;

	if (p.iph.ttl && p.iph.frag_off == 0) {
		fprintf(stderr, "ttl != 0 and nopmtudisc are incompatible\n");
		return -1;
	}

	switch (p.iph.protocol) {
	case IPPROTO_IPIP:
		if (p.i_flags & VTI_ISVTI)
			return tnl_add_ioctl(cmd, "ip_vti0", p.name, &p);
		else
			return tnl_add_ioctl(cmd, "tunl0", p.name, &p);
	case IPPROTO_GRE:
		return tnl_add_ioctl(cmd, "gre0", p.name, &p);
	case IPPROTO_IPV6:
		return tnl_add_ioctl(cmd, "sit0", p.name, &p);
	default:
		fprintf(stderr, "cannot determine tunnel mode (ipip, gre, vti or sit)\n");
		return -1;
	}
	return -1;
}

示例#2

文件： ip6tunnel.c 项目： andyhui/iproute2

static int do_add(int cmd, int argc, char **argv)
{
	struct ip6_tnl_parm2 p;

	ip6_tnl_parm_init(&p, 1);

	if (parse_args(argc, argv, cmd, &p) < 0)
		return -1;

	switch (p.proto) {
	case IPPROTO_IPIP:
	case IPPROTO_IPV6:
		return tnl_add_ioctl(cmd, "ip6tnl0", p.name, &p);
	case IPPROTO_GRE:
		return tnl_add_ioctl(cmd, "ip6gre0", p.name, &p);
	default:
		fprintf(stderr, "cannot determine tunnel mode (ip6ip6, ipip6 or gre)\n");
	}
	return -1;
}

示例#3

文件： ip6tunnel.c 项目： StarchLinux/iproute2

static int do_add(int cmd, int argc, char **argv)
{
	struct ip6_tnl_parm p;

	ip6_tnl_parm_init(&p, 1);

	if (parse_args(argc, argv, cmd, &p) < 0)
		return -1;

	return tnl_add_ioctl(cmd,
			     cmd == SIOCCHGTUNNEL && p.name[0] ?
			     p.name : "ip6tnl0", p.name, &p);
}

示例#4

文件： ip6tunnel.c 项目： multipath-tcp/iproute-mptcp

static int do_add(int cmd, int argc, char **argv)
{
	struct ip6_tnl_parm2 p;
	const char *basedev = "ip6tnl0";

	ip6_tnl_parm_init(&p, 1);

	if (parse_args(argc, argv, cmd, &p) < 0)
		return -1;

	if (p.proto == IPPROTO_GRE)
		basedev = "ip6gre0";
	else if (p.i_flags & VTI_ISVTI)
		basedev = "ip6_vti0";

	return tnl_add_ioctl(cmd, basedev, p.name, &p);
}

示例#5

文件： iptunnel.c 项目： vsergeenko/po20151110svn

static int do_add(int cmd, int argc, char **argv)
{
	struct ip_tunnel_parm p;
	const char *basedev;

	if (parse_args(argc, argv, cmd, &p) < 0)
		return -1;

	if (p.iph.ttl && p.iph.frag_off == 0) {
		fprintf(stderr, "ttl != 0 and nopmtudisc are incompatible\n");
		return -1;
	}

	basedev = tnl_defname(&p);
	if (!basedev) {
		fprintf(stderr,
			"cannot determine tunnel mode (ipip, gre, vti or sit)\n");
		return -1;
	}

	return tnl_add_ioctl(cmd, basedev, p.name, &p);
}