linux-kernel - [PATCH RFC/RFT net-next 08/17] net: Remove nd

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Message-Id: <20180717120651.15748-9-dsahern@kernel.org>
Date:   Tue, 17 Jul 2018 05:06:42 -0700
From:   dsahern@...nel.org
To:     netdev@...r.kernel.org
Cc:     nikita.leshchenko@...cle.com, roopa@...ulusnetworks.com,
        stephen@...workplumber.org, idosch@...lanox.com, jiri@...lanox.com,
        saeedm@...lanox.com, alex.aring@...il.com,
        linux-wpan@...r.kernel.org, netfilter-devel@...r.kernel.org,
        linux-kernel@...r.kernel.org, David Ahern <dsahern@...il.com>
Subject: [PATCH RFC/RFT net-next 08/17] net: Remove nd_tbl from ipv6 stub

From: David Ahern <dsahern@...il.com>

Fixup last 2 users to nd_tbl entry of the stub and remove it.

Signed-off-by: David Ahern <dsahern@...il.com>
---
 include/net/addrconf.h       | 1 -
 net/bridge/br_arp_nd_proxy.c | 2 +-
 net/core/filter.c            | 3 +--
 net/ipv6/af_inet6.c          | 1 -
 4 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/include/net/addrconf.h b/include/net/addrconf.h
index 5f43f7a70fe6..3108e9d6a066 100644
--- a/include/net/addrconf.h
+++ b/include/net/addrconf.h
@@ -256,7 +256,6 @@ struct ipv6_stub {
 	void (*ndisc_send_na)(struct net_device *dev, const struct in6_addr *daddr,
 			      const struct in6_addr *solicited_addr,
 			      bool router, bool solicited, bool override, bool inc_opt);
-	struct neigh_table *nd_tbl;
 };
 extern const struct ipv6_stub *ipv6_stub __read_mostly;
 
diff --git a/net/bridge/br_arp_nd_proxy.c b/net/bridge/br_arp_nd_proxy.c
index 29a1e25fc169..9dd2a5dd721b 100644
--- a/net/bridge/br_arp_nd_proxy.c
+++ b/net/bridge/br_arp_nd_proxy.c
@@ -433,7 +433,7 @@ void br_do_suppress_nd(struct sk_buff *skb, struct net_bridge *br,
 		return;
 	}
 
-	n = neigh_lookup(ipv6_stub->nd_tbl, &msg->target, vlandev);
+	n = ipv6_neigh_lookup(vlandev, &msg->target);
 	if (n) {
 		struct net_bridge_fdb_entry *f;
 
diff --git a/net/core/filter.c b/net/core/filter.c
index b9ec916f4e3a..11d4af3886be 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -4290,8 +4290,7 @@ static int bpf_ipv6_fib_lookup(struct net *net, struct bpf_fib_lookup *params,
 	 * not needed here. Can not use __ipv6_neigh_lookup_noref here
 	 * because we need to get nd_tbl via the stub
 	 */
-	neigh = ___neigh_lookup_noref(ipv6_stub->nd_tbl, neigh_key_eq128,
-				      ndisc_hashfn, dst, dev);
+	neigh = ___ipv6_neigh_lookup_noref(dev, dst);
 	if (!neigh)
 		return BPF_FIB_LKUP_RET_NO_NEIGH;
 
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index c9535354149f..9e7d0f3d4edb 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -898,7 +898,6 @@ static const struct ipv6_stub ipv6_stub_impl = {
 	.ip6_mtu_from_fib6 = ip6_mtu_from_fib6,
 	.udpv6_encap_enable = udpv6_encap_enable,
 	.ndisc_send_na = ndisc_send_na,
-	.nd_tbl	= &nd_tbl,
 };
 
 static const struct ipv6_bpf_stub ipv6_bpf_stub_impl = {
-- 
2.11.0