Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #include <linux/netlink.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #include <linux/rtnetlink.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) #include <net/net_namespace.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) #include <net/netlink.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) #include <linux/in6.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #include <net/ip.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) int rtm_getroute_parse_ip_proto(struct nlattr *attr, u8 *ip_proto, u8 family,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 				struct netlink_ext_ack *extack)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 	*ip_proto = nla_get_u8(attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 	switch (*ip_proto) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 	case IPPROTO_TCP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 	case IPPROTO_UDP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	case IPPROTO_ICMP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 		if (family != AF_INET)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #if IS_ENABLED(CONFIG_IPV6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	case IPPROTO_ICMPV6:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 		if (family != AF_INET6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	NL_SET_ERR_MSG(extack, "Unsupported ip proto");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	return -EOPNOTSUPP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) EXPORT_SYMBOL_GPL(rtm_getroute_parse_ip_proto);