netlink: implement nla_put_in_addr and nla_put_in6_addr
IP addresses are often stored in netlink attributes. Add generic functions
to do that.
For nla_put_in_addr, it would be nicer to pass struct in_addr but this is
not used universally throughout the kernel, in way too many places __be32 is
used to store IPv4 address.
Signed-off-by: Jiri Benc <jbenc@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index fe742fa..385e9bd 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -2669,19 +2669,19 @@
rtm->rtm_flags |= RTM_F_CLONED;
if (dst) {
- if (nla_put(skb, RTA_DST, 16, dst))
+ if (nla_put_in6_addr(skb, RTA_DST, dst))
goto nla_put_failure;
rtm->rtm_dst_len = 128;
} else if (rtm->rtm_dst_len)
- if (nla_put(skb, RTA_DST, 16, &rt->rt6i_dst.addr))
+ if (nla_put_in6_addr(skb, RTA_DST, &rt->rt6i_dst.addr))
goto nla_put_failure;
#ifdef CONFIG_IPV6_SUBTREES
if (src) {
- if (nla_put(skb, RTA_SRC, 16, src))
+ if (nla_put_in6_addr(skb, RTA_SRC, src))
goto nla_put_failure;
rtm->rtm_src_len = 128;
} else if (rtm->rtm_src_len &&
- nla_put(skb, RTA_SRC, 16, &rt->rt6i_src.addr))
+ nla_put_in6_addr(skb, RTA_SRC, &rt->rt6i_src.addr))
goto nla_put_failure;
#endif
if (iif) {
@@ -2705,14 +2705,14 @@
} else if (dst) {
struct in6_addr saddr_buf;
if (ip6_route_get_saddr(net, rt, dst, 0, &saddr_buf) == 0 &&
- nla_put(skb, RTA_PREFSRC, 16, &saddr_buf))
+ nla_put_in6_addr(skb, RTA_PREFSRC, &saddr_buf))
goto nla_put_failure;
}
if (rt->rt6i_prefsrc.plen) {
struct in6_addr saddr_buf;
saddr_buf = rt->rt6i_prefsrc.addr;
- if (nla_put(skb, RTA_PREFSRC, 16, &saddr_buf))
+ if (nla_put_in6_addr(skb, RTA_PREFSRC, &saddr_buf))
goto nla_put_failure;
}
@@ -2720,7 +2720,7 @@
goto nla_put_failure;
if (rt->rt6i_flags & RTF_GATEWAY) {
- if (nla_put(skb, RTA_GATEWAY, 16, &rt->rt6i_gateway) < 0)
+ if (nla_put_in6_addr(skb, RTA_GATEWAY, &rt->rt6i_gateway) < 0)
goto nla_put_failure;
}