net: move misc netdev_lock flavors to a separate header

Move the more esoteric helpers for netdev instance lock to
a dedicated header. This avoids growing netdevice.h to infinity
and makes rebuilding the kernel much faster (after touching
the header with the helpers).

The main netdev_lock() / netdev_unlock() functions are used
in static inlines in netdevice.h and will probably be used
most commonly, so keep them in netdevice.h.

Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Link: https://patch.msgid.link/20250307183006.2312761-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

Author: kuba-moo

drivers/net/bonding/bond_main.c

@@ -90,6 +90,7 @@
 #include <net/tls.h>
 #endif
 #include <net/ip6_route.h>
+#include <net/netdev_lock.h>
 #include <net/xdp.h>
 
 #include "bonding_priv.h"

drivers/net/dummy.c

@@ -38,6 +38,7 @@
 #include <linux/moduleparam.h>
 #include <linux/rtnetlink.h>
 #include <linux/net_tstamp.h>
+#include <net/netdev_lock.h>
 #include <net/rtnetlink.h>
 #include <linux/u64_stats_sync.h>
 

drivers/net/ethernet/broadcom/bnxt/bnxt.c

@@ -54,6 +54,7 @@
 #include <net/pkt_cls.h>
 #include <net/page_pool/helpers.h>
 #include <linux/align.h>
+#include <net/netdev_lock.h>
 #include <net/netdev_queues.h>
 #include <net/netdev_rx_queue.h>
 #include <linux/pci-tph.h>

drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c

@@ -15,6 +15,7 @@
 #include <linux/bpf.h>
 #include <linux/bpf_trace.h>
 #include <linux/filter.h>
+#include <net/netdev_lock.h>
 #include <net/page_pool/helpers.h>
 #include "bnxt_hsi.h"
 #include "bnxt.h"

drivers/net/ethernet/intel/iavf/iavf_main.c

@@ -2,6 +2,7 @@
 /* Copyright(c) 2013 - 2018 Intel Corporation. */
 
 #include <linux/net/intel/libie/rx.h>
+#include <net/netdev_lock.h>
 
 #include "iavf.h"
 #include "iavf_ptp.h"

drivers/net/ethernet/microsoft/mana/mana_en.c

@@ -13,6 +13,7 @@
 
 #include <net/checksum.h>
 #include <net/ip6_checksum.h>
+#include <net/netdev_lock.h>
 #include <net/page_pool/helpers.h>
 #include <net/xdp.h>
 

drivers/net/geneve.c

@@ -18,6 +18,7 @@
 #include <net/rtnetlink.h>
 #include <net/geneve.h>
 #include <net/gro.h>
+#include <net/netdev_lock.h>
 #include <net/protocol.h>
 
 #define GENEVE_NETDEV_VER	"0.6"

drivers/net/hamradio/bpqether.c

@@ -77,6 +77,7 @@
 
 #include <net/ip.h>
 #include <net/arp.h>
+#include <net/netdev_lock.h>
 #include <net/net_namespace.h>
 
 #include <linux/bpqether.h>

drivers/net/hyperv/netvsc_drv.c

@@ -29,6 +29,7 @@
 #include <linux/bpf.h>
 
 #include <net/arp.h>
+#include <net/netdev_lock.h>
 #include <net/route.h>
 #include <net/sock.h>
 #include <net/pkt_sched.h>

drivers/net/ipvlan/ipvlan_main.c

@@ -3,6 +3,7 @@
  */
 
 #include <linux/ethtool.h>
+#include <net/netdev_lock.h>
 
 #include "ipvlan.h"