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33 lines
737 B
33 lines
737 B
// SPDX-License-Identifier: GPL-2.0-only |
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#include <linux/netlink.h> |
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#include <linux/rtnetlink.h> |
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#include <linux/types.h> |
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#include <net/net_namespace.h> |
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#include <net/netlink.h> |
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#include <linux/in6.h> |
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#include <net/ip.h> |
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int rtm_getroute_parse_ip_proto(struct nlattr *attr, u8 *ip_proto, u8 family, |
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struct netlink_ext_ack *extack) |
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{ |
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*ip_proto = nla_get_u8(attr); |
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switch (*ip_proto) { |
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case IPPROTO_TCP: |
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case IPPROTO_UDP: |
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return 0; |
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case IPPROTO_ICMP: |
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if (family != AF_INET) |
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break; |
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return 0; |
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#if IS_ENABLED(CONFIG_IPV6) |
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case IPPROTO_ICMPV6: |
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if (family != AF_INET6) |
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break; |
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return 0; |
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#endif |
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} |
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NL_SET_ERR_MSG(extack, "Unsupported ip proto"); |
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return -EOPNOTSUPP; |
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} |
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EXPORT_SYMBOL_GPL(rtm_getroute_parse_ip_proto);
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