[linux-2.6-block.git] / net / ipv4 / netlink.c

// SPDX-License-Identifier: GPL-2.0-only
#include <linux/netlink.h>
#include <linux/rtnetlink.h>
#include <linux/types.h>
#include <net/net_namespace.h>
#include <net/netlink.h>
#include <linux/in6.h>
#include <net/ip.h>

int rtm_getroute_parse_ip_proto(struct nlattr *attr, u8 *ip_proto, u8 family,
				struct netlink_ext_ack *extack)
{
	*ip_proto = nla_get_u8(attr);

	switch (*ip_proto) {
	case IPPROTO_TCP:
	case IPPROTO_UDP:
		return 0;
	case IPPROTO_ICMP:
		if (family != AF_INET)
			break;
		return 0;
#if IS_ENABLED(CONFIG_IPV6)
	case IPPROTO_ICMPV6:
		if (family != AF_INET6)
			break;
		return 0;
#endif
	}
	NL_SET_ERR_MSG(extack, "Unsupported ip proto");
	return -EOPNOTSUPP;
}
EXPORT_SYMBOL_GPL(rtm_getroute_parse_ip_proto);
Commit	Line	Data
457c8996	1	// SPDX-License-Identifier: GPL-2.0-only
404eb77e RP	2	#include <linux/netlink.h>
	3	#include <linux/rtnetlink.h>
	4	#include <linux/types.h>
	5	#include <net/net_namespace.h>
	6	#include <net/netlink.h>
5e1a99ea	7	#include <linux/in6.h>
404eb77e RP	8	#include <net/ip.h>
404eb77e RP	9
5e1a99ea	10	int rtm_getroute_parse_ip_proto(struct nlattr attr, u8 ip_proto, u8 family,
404eb77e RP	11	struct netlink_ext_ack *extack)
	12	{
	13	*ip_proto = nla_get_u8(attr);
	14
	15	switch (*ip_proto) {
	16	case IPPROTO_TCP:
	17	case IPPROTO_UDP:
5e1a99ea	18	return 0;
404eb77e	19	case IPPROTO_ICMP:
5e1a99ea HL	20	if (family != AF_INET)
	21	break;
	22	return 0;
	23	#if IS_ENABLED(CONFIG_IPV6)
	24	case IPPROTO_ICMPV6:
	25	if (family != AF_INET6)
	26	break;
404eb77e	27	return 0;
5e1a99ea	28	#endif
404eb77e	29	}
5e1a99ea HL	30	NL_SET_ERR_MSG(extack, "Unsupported ip proto");
5e1a99ea HL	31	return -EOPNOTSUPP;
404eb77e RP	32	}
404eb77e RP	33	EXPORT_SYMBOL_GPL(rtm_getroute_parse_ip_proto);