Esempi in C++ (Cpp) per l2tp_tunnel_notify

Esempio n. 1

File: l2tp_netlink.c Progetto: acton393/linux

static int l2tp_nl_cmd_tunnel_modify(struct sk_buff *skb, struct genl_info *info)
{
	struct l2tp_tunnel *tunnel;
	u32 tunnel_id;
	int ret = 0;
	struct net *net = genl_info_net(info);

	if (!info->attrs[L2TP_ATTR_CONN_ID]) {
		ret = -EINVAL;
		goto out;
	}
	tunnel_id = nla_get_u32(info->attrs[L2TP_ATTR_CONN_ID]);

	tunnel = l2tp_tunnel_find(net, tunnel_id);
	if (tunnel == NULL) {
		ret = -ENODEV;
		goto out;
	}

	if (info->attrs[L2TP_ATTR_DEBUG])
		tunnel->debug = nla_get_u32(info->attrs[L2TP_ATTR_DEBUG]);

	ret = l2tp_tunnel_notify(&l2tp_nl_family, info,
				 tunnel, L2TP_CMD_TUNNEL_MODIFY);

out:
	return ret;
}

Esempio n. 2

File: l2tp_netlink.c Progetto: acton393/linux

static int l2tp_nl_cmd_tunnel_delete(struct sk_buff *skb, struct genl_info *info)
{
	struct l2tp_tunnel *tunnel;
	u32 tunnel_id;
	int ret = 0;
	struct net *net = genl_info_net(info);

	if (!info->attrs[L2TP_ATTR_CONN_ID]) {
		ret = -EINVAL;
		goto out;
	}
	tunnel_id = nla_get_u32(info->attrs[L2TP_ATTR_CONN_ID]);

	tunnel = l2tp_tunnel_find(net, tunnel_id);
	if (tunnel == NULL) {
		ret = -ENODEV;
		goto out;
	}

	l2tp_tunnel_notify(&l2tp_nl_family, info,
			   tunnel, L2TP_CMD_TUNNEL_DELETE);

	(void) l2tp_tunnel_delete(tunnel);

out:
	return ret;
}

Esempio n. 3

File: l2tp_netlink.c Progetto: 19Dan01/linux

static int l2tp_nl_cmd_tunnel_create(struct sk_buff *skb, struct genl_info *info)
{
	u32 tunnel_id;
	u32 peer_tunnel_id;
	int proto_version;
	int fd;
	int ret = 0;
	struct l2tp_tunnel_cfg cfg = { 0, };
	struct l2tp_tunnel *tunnel;
	struct net *net = genl_info_net(info);

	if (!info->attrs[L2TP_ATTR_CONN_ID]) {
		ret = -EINVAL;
		goto out;
	}
	tunnel_id = nla_get_u32(info->attrs[L2TP_ATTR_CONN_ID]);

	if (!info->attrs[L2TP_ATTR_PEER_CONN_ID]) {
		ret = -EINVAL;
		goto out;
	}
	peer_tunnel_id = nla_get_u32(info->attrs[L2TP_ATTR_PEER_CONN_ID]);

	if (!info->attrs[L2TP_ATTR_PROTO_VERSION]) {
		ret = -EINVAL;
		goto out;
	}
	proto_version = nla_get_u8(info->attrs[L2TP_ATTR_PROTO_VERSION]);

	if (!info->attrs[L2TP_ATTR_ENCAP_TYPE]) {
		ret = -EINVAL;
		goto out;
	}
	cfg.encap = nla_get_u16(info->attrs[L2TP_ATTR_ENCAP_TYPE]);

	fd = -1;
	if (info->attrs[L2TP_ATTR_FD]) {
		fd = nla_get_u32(info->attrs[L2TP_ATTR_FD]);
	} else {
#if IS_ENABLED(CONFIG_IPV6)
		if (info->attrs[L2TP_ATTR_IP6_SADDR] &&
		    info->attrs[L2TP_ATTR_IP6_DADDR]) {
			cfg.local_ip6 = nla_data(
				info->attrs[L2TP_ATTR_IP6_SADDR]);
			cfg.peer_ip6 = nla_data(
				info->attrs[L2TP_ATTR_IP6_DADDR]);
		} else
#endif
		if (info->attrs[L2TP_ATTR_IP_SADDR] &&
		    info->attrs[L2TP_ATTR_IP_DADDR]) {
			cfg.local_ip.s_addr = nla_get_in_addr(
				info->attrs[L2TP_ATTR_IP_SADDR]);
			cfg.peer_ip.s_addr = nla_get_in_addr(
				info->attrs[L2TP_ATTR_IP_DADDR]);
		} else {
			ret = -EINVAL;
			goto out;
		}
		if (info->attrs[L2TP_ATTR_UDP_SPORT])
			cfg.local_udp_port = nla_get_u16(info->attrs[L2TP_ATTR_UDP_SPORT]);
		if (info->attrs[L2TP_ATTR_UDP_DPORT])
			cfg.peer_udp_port = nla_get_u16(info->attrs[L2TP_ATTR_UDP_DPORT]);
		if (info->attrs[L2TP_ATTR_UDP_CSUM])
			cfg.use_udp_checksums = nla_get_flag(info->attrs[L2TP_ATTR_UDP_CSUM]);

#if IS_ENABLED(CONFIG_IPV6)
		if (info->attrs[L2TP_ATTR_UDP_ZERO_CSUM6_TX])
			cfg.udp6_zero_tx_checksums = nla_get_flag(info->attrs[L2TP_ATTR_UDP_ZERO_CSUM6_TX]);
		if (info->attrs[L2TP_ATTR_UDP_ZERO_CSUM6_RX])
			cfg.udp6_zero_rx_checksums = nla_get_flag(info->attrs[L2TP_ATTR_UDP_ZERO_CSUM6_RX]);
#endif
	}

	if (info->attrs[L2TP_ATTR_DEBUG])
		cfg.debug = nla_get_u32(info->attrs[L2TP_ATTR_DEBUG]);

	tunnel = l2tp_tunnel_find(net, tunnel_id);
	if (tunnel != NULL) {
		ret = -EEXIST;
		goto out;
	}

	ret = -EINVAL;
	switch (cfg.encap) {
	case L2TP_ENCAPTYPE_UDP:
	case L2TP_ENCAPTYPE_IP:
		ret = l2tp_tunnel_create(net, fd, proto_version, tunnel_id,
					 peer_tunnel_id, &cfg, &tunnel);
		break;
	}

	if (ret >= 0)
		ret = l2tp_tunnel_notify(&l2tp_nl_family, info,
					 tunnel, L2TP_CMD_TUNNEL_CREATE);
out:
	return ret;
}