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linux-next/net/ipv4/netlink.c
Roopa Prabhu 404eb77ea7 ipv4: support sport, dport and ip_proto in RTM_GETROUTE
This is a followup to fib rules sport, dport and ipproto
match support. Only supports tcp, udp and icmp for ipproto.
Used by fib rule self tests.

Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-05-23 15:14:12 -04:00

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C

#include <linux/netlink.h>
#include <linux/rtnetlink.h>
#include <linux/types.h>
#include <net/net_namespace.h>
#include <net/netlink.h>
#include <net/ip.h>
int rtm_getroute_parse_ip_proto(struct nlattr *attr, u8 *ip_proto,
struct netlink_ext_ack *extack)
{
*ip_proto = nla_get_u8(attr);
switch (*ip_proto) {
case IPPROTO_TCP:
case IPPROTO_UDP:
case IPPROTO_ICMP:
return 0;
default:
NL_SET_ERR_MSG(extack, "Unsupported ip proto");
return -EOPNOTSUPP;
}
}
EXPORT_SYMBOL_GPL(rtm_getroute_parse_ip_proto);