netdev - [PATCH 1/2] ipv6: make rtm_ipv6

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Message-Id: <20220630133051.41685-2-equinox@diac24.net>
Date:   Thu, 30 Jun 2022 15:30:50 +0200
From:   David Lamparter <equinox@...c24.net>
To:     netdev@...r.kernel.org
Cc:     David Lamparter <equinox@...c24.net>
Subject: [PATCH 1/2] ipv6: make rtm_ipv6_policy available

... so ip6mr.c can use it too (as it is in IPv4.)

Signed-off-by: David Lamparter <equinox@...c24.net>
---

1:1 analog to IPv4, where rtm_ipv4_policy is exposed for pretty exactly
the same thing.  IPv6 just got away with not using this across file
boundaries so far.

---
 include/net/ip6_fib.h | 1 +
 net/ipv6/route.c      | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h
index 6268963d9599..a12fedea97de 100644
--- a/include/net/ip6_fib.h
+++ b/include/net/ip6_fib.h
@@ -483,6 +483,7 @@ void rt6_get_prefsrc(const struct rt6_info *rt, struct in6_addr *addr)
 	rcu_read_unlock();
 }
 
+extern const struct nla_policy rtm_ipv6_policy[];
 int fib6_nh_init(struct net *net, struct fib6_nh *fib6_nh,
 		 struct fib6_config *cfg, gfp_t gfp_flags,
 		 struct netlink_ext_ack *extack);
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 1d6f75eef4bd..26c7b31abe96 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -4964,7 +4964,7 @@ void rt6_mtu_change(struct net_device *dev, unsigned int mtu)
 	fib6_clean_all(dev_net(dev), rt6_mtu_change_route, &arg);
 }
 
-static const struct nla_policy rtm_ipv6_policy[RTA_MAX+1] = {
+const struct nla_policy rtm_ipv6_policy[RTA_MAX+1] = {
 	[RTA_UNSPEC]		= { .strict_start_type = RTA_DPORT + 1 },
 	[RTA_GATEWAY]           = { .len = sizeof(struct in6_addr) },
 	[RTA_PREFSRC]		= { .len = sizeof(struct in6_addr) },
-- 
2.36.1