add missing includes and forward declarations to networking includes under linux/

Similarly to a recent include/net/ cleanup, this patch adds
missing includes to networking headers under include/linux.
All these problems are currently masked by the existing users
including the missing dependency before the broken header.

Link: https://lore.kernel.org/all/20220723045755.2676857-1-kuba@kernel.org/ v1
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Link: https://lore.kernel.org/r/20220726215652.158167-1-kuba@kernel.orgSigned-off-by: Paolo Abeni <pabeni@redhat.com>

include/linux/atm_tcp.h

@@ -9,6 +9,8 @@
 
 #include <uapi/linux/atm_tcp.h>
 
+struct atm_vcc;
+struct module;
 
 struct atm_tcp_ops {
 	int (*attach)(struct atm_vcc *vcc,int itf);

include/linux/dsa/tag_qca.h

@@ -3,6 +3,11 @@
 #ifndef __TAG_QCA_H
 #define __TAG_QCA_H
 
+#include <linux/types.h>
+
+struct dsa_switch;
+struct sk_buff;
+
 #define QCA_HDR_LEN	2
 #define QCA_HDR_VERSION	0x2
 

include/linux/hippidevice.h

@@ -23,6 +23,10 @@
 
 #ifdef __KERNEL__
 
+struct neigh_parms;
+struct net_device;
+struct sk_buff;
+
 struct hippi_cb {
 	__u32	ifield;
 };

include/linux/if_eql.h

@@ -21,6 +21,7 @@
 
 #include <linux/timer.h>
 #include <linux/spinlock.h>
+#include <net/net_trackers.h>
 #include <uapi/linux/if_eql.h>
 
 typedef struct slave {

include/linux/if_hsr.h

@@ -2,6 +2,10 @@
 #ifndef _LINUX_IF_HSR_H_
 #define _LINUX_IF_HSR_H_
 
+#include <linux/types.h>
+
+struct net_device;
+
 /* used to differentiate various protocols */
 enum hsr_version {
 	HSR_V0 = 0,

include/linux/if_rmnet.h

@@ -5,6 +5,8 @@
 #ifndef _LINUX_IF_RMNET_H_
 #define _LINUX_IF_RMNET_H_
 
+#include <linux/types.h>
+
 struct rmnet_map_header {
 	u8 flags;			/* MAP_CMD_FLAG, MAP_PAD_LEN_MASK */
 	u8 mux_id;

include/linux/if_tap.h

@@ -2,14 +2,18 @@
 #ifndef _LINUX_IF_TAP_H_
 #define _LINUX_IF_TAP_H_
 
+#include <net/sock.h>
+#include <linux/skb_array.h>
+
+struct file;
+struct socket;
+
 #if IS_ENABLED(CONFIG_TAP)
 struct socket *tap_get_socket(struct file *);
 struct ptr_ring *tap_get_ptr_ring(struct file *file);
 #else
 #include <linux/err.h>
 #include <linux/errno.h>
-struct file;
-struct socket;
 static inline struct socket *tap_get_socket(struct file *f)
 {
 	return ERR_PTR(-EINVAL);
@@ -20,9 +24,6 @@ static inline struct ptr_ring *tap_get_ptr_ring(struct file *f)
 }
 #endif /* CONFIG_TAP */
 
-#include <net/sock.h>
-#include <linux/skb_array.h>
-
 /*
  * Maximum times a tap device can be opened. This can be used to
  * configure the number of receive queue, e.g. for multiqueue virtio.

include/linux/mdio/mdio-xgene.h

@@ -8,6 +8,10 @@
 #ifndef __MDIO_XGENE_H__
 #define __MDIO_XGENE_H__
 
+#include <linux/bits.h>
+#include <linux/spinlock.h>
+#include <linux/types.h>
+
 #define BLOCK_XG_MDIO_CSR_OFFSET	0x5000
 #define BLOCK_DIAG_CSR_OFFSET		0xd000
 #define XGENET_CONFIG_REG_ADDR		0x20

include/linux/nl802154.h

@@ -8,6 +8,8 @@
 #ifndef NL802154_H
 #define NL802154_H
 
+#include <net/netlink.h>
+
 #define IEEE802154_NL_NAME "802.15.4 MAC"
 #define IEEE802154_MCAST_COORD_NAME "coordinator"
 #define IEEE802154_MCAST_BEACON_NAME "beacon"

include/linux/phy_fixed.h

@@ -2,6 +2,8 @@
 #ifndef __PHY_FIXED_H
 #define __PHY_FIXED_H
 
+#include <linux/types.h>
+
 struct fixed_phy_status {
 	int link;
 	int speed;
@@ -12,6 +14,7 @@ struct fixed_phy_status {
 
 struct device_node;
 struct gpio_desc;
+struct net_device;
 
 #if IS_ENABLED(CONFIG_FIXED_PHY)
 extern int fixed_phy_change_carrier(struct net_device *dev, bool new_carrier);

include/linux/ppp-comp.h

@@ -9,7 +9,7 @@
 
 #include <uapi/linux/ppp-comp.h>
 
-
+struct compstat;
 struct module;
 
 /*

include/linux/ppp_channel.h

@@ -20,6 +20,8 @@
 #include <linux/poll.h>
 #include <net/net_namespace.h>
 
+struct net_device_path;
+struct net_device_path_ctx;
 struct ppp_channel;
 
 struct ppp_channel_ops {

include/linux/ptp_kvm.h

@@ -8,6 +8,8 @@
 #ifndef _PTP_KVM_H_
 #define _PTP_KVM_H_
 
+#include <linux/types.h>
+
 struct timespec64;
 struct clocksource;
 

include/linux/ptp_pch.h

@@ -10,6 +10,10 @@
 #ifndef _PTP_PCH_H_
 #define _PTP_PCH_H_
 
+#include <linux/types.h>
+
+struct pci_dev;
+
 void pch_ch_control_write(struct pci_dev *pdev, u32 val);
 u32  pch_ch_event_read(struct pci_dev *pdev);
 void pch_ch_event_write(struct pci_dev *pdev, u32 val);

include/linux/seq_file_net.h

@@ -3,6 +3,7 @@
 #define __SEQ_FILE_NET_H__
 
 #include <linux/seq_file.h>
+#include <net/net_trackers.h>
 
 struct net;
 extern struct net init_net;

include/linux/sungem_phy.h

@@ -2,6 +2,8 @@
 #ifndef __SUNGEM_PHY_H__
 #define __SUNGEM_PHY_H__
 
+#include <linux/types.h>
+
 struct mii_phy;
 
 /* Operations supported by any kind of PHY */

include/linux/usb/usbnet.h

@@ -23,6 +23,12 @@
 #ifndef	__LINUX_USB_USBNET_H
 #define	__LINUX_USB_USBNET_H
 
+#include <linux/mii.h>
+#include <linux/netdevice.h>
+#include <linux/skbuff.h>
+#include <linux/types.h>
+#include <linux/usb.h>
+
 /* interface from usbnet core to each USB networking link we handle */
 struct usbnet {
 	/* housekeeping */

include/net/llc_s_st.h

@@ -12,6 +12,12 @@
  * See the GNU General Public License for more details.
  */
 
+#include <linux/types.h>
+#include <net/llc_s_ac.h>
+#include <net/llc_s_ev.h>
+
+struct llc_sap_state_trans;
+
 #define LLC_NR_SAP_STATES	2       /* size of state table */
 
 /* structures and types */