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Commit | Line | Data |
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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> |
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"); |
31 | return -EOPNOTSUPP; | |
404eb77e RP |
32 | } |
33 | EXPORT_SYMBOL_GPL(rtm_getroute_parse_ip_proto); |