netdev - [PATCH net-next] net: don't include ndisc.h from ipv6.h

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Date:   Wed,  2 Feb 2022 20:34:57 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     davem@...emloft.net
Cc:     netdev@...r.kernel.org, Jakub Kicinski <kuba@...nel.org>,
        j.vosburgh@...il.com, vfalico@...il.com, andy@...yhouse.net,
        oliver@...kum.org, yoshfuji@...ux-ipv6.org, dsahern@...nel.org,
        alex.aring@...il.com, jukka.rissanen@...ux.intel.com,
        stefan@...enfreihafen.org, jk@...econstruct.com.au,
        matt@...econstruct.com.au, linux-usb@...r.kernel.org,
        linux-bluetooth@...r.kernel.org, linux-wpan@...r.kernel.org
Subject: [PATCH net-next] net: don't include ndisc.h from ipv6.h

Nothing in ipv6.h needs ndisc.h, drop it.

Signed-off-by: Jakub Kicinski <kuba@...nel.org>
---
CC: j.vosburgh@...il.com
CC: vfalico@...il.com
CC: andy@...yhouse.net
CC: oliver@...kum.org
CC: yoshfuji@...ux-ipv6.org
CC: dsahern@...nel.org
CC: alex.aring@...il.com
CC: jukka.rissanen@...ux.intel.com
CC: stefan@...enfreihafen.org
CC: jk@...econstruct.com.au
CC: matt@...econstruct.com.au
CC: linux-usb@...r.kernel.org
CC: linux-bluetooth@...r.kernel.org
CC: linux-wpan@...r.kernel.org
---
 drivers/net/bonding/bond_alb.c | 1 +
 drivers/net/usb/cdc_mbim.c     | 1 +
 include/net/ipv6.h             | 1 -
 include/net/ipv6_frag.h        | 1 +
 include/net/ndisc.h            | 1 -
 net/6lowpan/core.c             | 1 +
 net/ieee802154/6lowpan/core.c  | 1 +
 net/mctp/device.c              | 1 +
 8 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/net/bonding/bond_alb.c b/drivers/net/bonding/bond_alb.c
index c98a4b0a8453..303c8d32d451 100644
--- a/drivers/net/bonding/bond_alb.c
+++ b/drivers/net/bonding/bond_alb.c
@@ -19,6 +19,7 @@
 #include <linux/in.h>
 #include <net/arp.h>
 #include <net/ipv6.h>
+#include <net/ndisc.h>
 #include <asm/byteorder.h>
 #include <net/bonding.h>
 #include <net/bond_alb.h>
diff --git a/drivers/net/usb/cdc_mbim.c b/drivers/net/usb/cdc_mbim.c
index 82bb5ed94c48..a7c1434fe2da 100644
--- a/drivers/net/usb/cdc_mbim.c
+++ b/drivers/net/usb/cdc_mbim.c
@@ -21,6 +21,7 @@
 #include <net/ipv6.h>
 #include <net/addrconf.h>
 #include <net/ipv6_stubs.h>
+#include <net/ndisc.h>
 
 /* alternative VLAN for IP session 0 if not untagged */
 #define MBIM_IPS0_VID	4094
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index 082f30256f59..cda1f205f391 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -15,7 +15,6 @@
 #include <linux/refcount.h>
 #include <linux/jump_label_ratelimit.h>
 #include <net/if_inet6.h>
-#include <net/ndisc.h>
 #include <net/flow.h>
 #include <net/flow_dissector.h>
 #include <net/snmp.h>
diff --git a/include/net/ipv6_frag.h b/include/net/ipv6_frag.h
index 0a4779175a52..5052c66e22d2 100644
--- a/include/net/ipv6_frag.h
+++ b/include/net/ipv6_frag.h
@@ -1,6 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _IPV6_FRAG_H
 #define _IPV6_FRAG_H
+#include <linux/icmpv6.h>
 #include <linux/kernel.h>
 #include <net/addrconf.h>
 #include <net/ipv6.h>
diff --git a/include/net/ndisc.h b/include/net/ndisc.h
index 53cb8de0e589..07d48bd6c0bd 100644
--- a/include/net/ndisc.h
+++ b/include/net/ndisc.h
@@ -71,7 +71,6 @@ do {								\
 
 struct ctl_table;
 struct inet6_dev;
-struct net_device;
 struct net_proto_family;
 struct sk_buff;
 struct prefix_info;
diff --git a/net/6lowpan/core.c b/net/6lowpan/core.c
index a068757eabaf..7b3341cef926 100644
--- a/net/6lowpan/core.c
+++ b/net/6lowpan/core.c
@@ -5,6 +5,7 @@
  * (C) 2015 Pengutronix, Alexander Aring <aar@...gutronix.de>
  */
 
+#include <linux/if_arp.h>
 #include <linux/module.h>
 
 #include <net/6lowpan.h>
diff --git a/net/ieee802154/6lowpan/core.c b/net/ieee802154/6lowpan/core.c
index 2cf62718a282..2c087b7f17c5 100644
--- a/net/ieee802154/6lowpan/core.c
+++ b/net/ieee802154/6lowpan/core.c
@@ -47,6 +47,7 @@
 #include <linux/module.h>
 #include <linux/netdevice.h>
 #include <linux/ieee802154.h>
+#include <linux/if_arp.h>
 
 #include <net/ipv6.h>
 
diff --git a/net/mctp/device.c b/net/mctp/device.c
index ef2755f82f87..02ddc0f1bd3e 100644
--- a/net/mctp/device.c
+++ b/net/mctp/device.c
@@ -6,6 +6,7 @@
  * Copyright (c) 2021 Google
  */
 
+#include <linux/if_arp.h>
 #include <linux/if_link.h>
 #include <linux/mctp.h>
 #include <linux/netdevice.h>
-- 
2.34.1