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Message-ID: <20210813120803.101-2-caihuoqing@baidu.com>
Date: Fri, 13 Aug 2021 20:08:02 +0800
From: Cai Huoqing <caihuoqing@...du.com>
To: <davem@...emloft.net>, <yoshfuji@...ux-ipv6.org>,
<dsahern@...nel.org>, <kuba@...nel.org>
CC: <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
Cai Huoqing <caihuoqing@...du.com>
Subject: [PATCH 1/2] net: Remove net/ipx.h and uapi/linux/ipx.h header files
commit <47595e32869f> ("<MAINTAINERS: Mark some staging directories>")
indicated the ipx network layer as obsolete in Jan 2018,
updated in the MAINTAINERS file
now, after being exposed for 3 years to refactoring, so to
delete uapi/linux/ipx.h and net/ipx.h header files for good.
additionally, there is no module that depends on ipx.h except
a broken staging driver(r8188eu)
Signed-off-by: Cai Huoqing <caihuoqing@...du.com>
---
include/net/ipx.h | 171 ---------------------------------------
include/uapi/linux/ipx.h | 87 --------------------
2 files changed, 258 deletions(-)
delete mode 100644 include/net/ipx.h
delete mode 100644 include/uapi/linux/ipx.h
diff --git a/include/net/ipx.h b/include/net/ipx.h
deleted file mode 100644
index 9d1342807b59..000000000000
--- a/include/net/ipx.h
+++ /dev/null
@@ -1,171 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _NET_INET_IPX_H_
-#define _NET_INET_IPX_H_
-/*
- * The following information is in its entirety obtained from:
- *
- * Novell 'IPX Router Specification' Version 1.10
- * Part No. 107-000029-001
- *
- * Which is available from ftp.novell.com
- */
-
-#include <linux/netdevice.h>
-#include <net/datalink.h>
-#include <linux/ipx.h>
-#include <linux/list.h>
-#include <linux/slab.h>
-#include <linux/refcount.h>
-
-struct ipx_address {
- __be32 net;
- __u8 node[IPX_NODE_LEN];
- __be16 sock;
-};
-
-#define ipx_broadcast_node "\377\377\377\377\377\377"
-#define ipx_this_node "\0\0\0\0\0\0"
-
-#define IPX_MAX_PPROP_HOPS 8
-
-struct ipxhdr {
- __be16 ipx_checksum __packed;
-#define IPX_NO_CHECKSUM cpu_to_be16(0xFFFF)
- __be16 ipx_pktsize __packed;
- __u8 ipx_tctrl;
- __u8 ipx_type;
-#define IPX_TYPE_UNKNOWN 0x00
-#define IPX_TYPE_RIP 0x01 /* may also be 0 */
-#define IPX_TYPE_SAP 0x04 /* may also be 0 */
-#define IPX_TYPE_SPX 0x05 /* SPX protocol */
-#define IPX_TYPE_NCP 0x11 /* $lots for docs on this (SPIT) */
-#define IPX_TYPE_PPROP 0x14 /* complicated flood fill brdcast */
- struct ipx_address ipx_dest __packed;
- struct ipx_address ipx_source __packed;
-};
-
-/* From af_ipx.c */
-extern int sysctl_ipx_pprop_broadcasting;
-
-struct ipx_interface {
- /* IPX address */
- __be32 if_netnum;
- unsigned char if_node[IPX_NODE_LEN];
- refcount_t refcnt;
-
- /* physical device info */
- struct net_device *if_dev;
- struct datalink_proto *if_dlink;
- __be16 if_dlink_type;
-
- /* socket support */
- unsigned short if_sknum;
- struct hlist_head if_sklist;
- spinlock_t if_sklist_lock;
-
- /* administrative overhead */
- int if_ipx_offset;
- unsigned char if_internal;
- unsigned char if_primary;
-
- struct list_head node; /* node in ipx_interfaces list */
-};
-
-struct ipx_route {
- __be32 ir_net;
- struct ipx_interface *ir_intrfc;
- unsigned char ir_routed;
- unsigned char ir_router_node[IPX_NODE_LEN];
- struct list_head node; /* node in ipx_routes list */
- refcount_t refcnt;
-};
-
-struct ipx_cb {
- u8 ipx_tctrl;
- __be32 ipx_dest_net;
- __be32 ipx_source_net;
- struct {
- __be32 netnum;
- int index;
- } last_hop;
-};
-
-#include <net/sock.h>
-
-struct ipx_sock {
- /* struct sock has to be the first member of ipx_sock */
- struct sock sk;
- struct ipx_address dest_addr;
- struct ipx_interface *intrfc;
- __be16 port;
-#ifdef CONFIG_IPX_INTERN
- unsigned char node[IPX_NODE_LEN];
-#endif
- unsigned short type;
- /*
- * To handle special ncp connection-handling sockets for mars_nwe,
- * the connection number must be stored in the socket.
- */
- unsigned short ipx_ncp_conn;
-};
-
-static inline struct ipx_sock *ipx_sk(struct sock *sk)
-{
- return (struct ipx_sock *)sk;
-}
-
-#define IPX_SKB_CB(__skb) ((struct ipx_cb *)&((__skb)->cb[0]))
-
-#define IPX_MIN_EPHEMERAL_SOCKET 0x4000
-#define IPX_MAX_EPHEMERAL_SOCKET 0x7fff
-
-extern struct list_head ipx_routes;
-extern rwlock_t ipx_routes_lock;
-
-extern struct list_head ipx_interfaces;
-struct ipx_interface *ipx_interfaces_head(void);
-extern spinlock_t ipx_interfaces_lock;
-
-extern struct ipx_interface *ipx_primary_net;
-
-int ipx_proc_init(void);
-void ipx_proc_exit(void);
-
-const char *ipx_frame_name(__be16);
-const char *ipx_device_name(struct ipx_interface *intrfc);
-
-static __inline__ void ipxitf_hold(struct ipx_interface *intrfc)
-{
- refcount_inc(&intrfc->refcnt);
-}
-
-void ipxitf_down(struct ipx_interface *intrfc);
-struct ipx_interface *ipxitf_find_using_net(__be32 net);
-int ipxitf_send(struct ipx_interface *intrfc, struct sk_buff *skb, char *node);
-__be16 ipx_cksum(struct ipxhdr *packet, int length);
-int ipxrtr_add_route(__be32 network, struct ipx_interface *intrfc,
- unsigned char *node);
-void ipxrtr_del_routes(struct ipx_interface *intrfc);
-int ipxrtr_route_packet(struct sock *sk, struct sockaddr_ipx *usipx,
- struct msghdr *msg, size_t len, int noblock);
-int ipxrtr_route_skb(struct sk_buff *skb);
-struct ipx_route *ipxrtr_lookup(__be32 net);
-int ipxrtr_ioctl(unsigned int cmd, void __user *arg);
-
-static __inline__ void ipxitf_put(struct ipx_interface *intrfc)
-{
- if (refcount_dec_and_test(&intrfc->refcnt))
- ipxitf_down(intrfc);
-}
-
-static __inline__ void ipxrtr_hold(struct ipx_route *rt)
-{
- refcount_inc(&rt->refcnt);
-}
-
-static __inline__ void ipxrtr_put(struct ipx_route *rt)
-{
- if (refcount_dec_and_test(&rt->refcnt))
- kfree(rt);
-}
-#endif /* _NET_INET_IPX_H_ */
diff --git a/include/uapi/linux/ipx.h b/include/uapi/linux/ipx.h
deleted file mode 100644
index 3168137adae8..000000000000
--- a/include/uapi/linux/ipx.h
+++ /dev/null
@@ -1,87 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
-#ifndef _IPX_H_
-#define _IPX_H_
-#include <linux/libc-compat.h> /* for compatibility with glibc netipx/ipx.h */
-#include <linux/types.h>
-#include <linux/sockios.h>
-#include <linux/socket.h>
-#define IPX_NODE_LEN 6
-#define IPX_MTU 576
-
-#if __UAPI_DEF_SOCKADDR_IPX
-struct sockaddr_ipx {
- __kernel_sa_family_t sipx_family;
- __be16 sipx_port;
- __be32 sipx_network;
- unsigned char sipx_node[IPX_NODE_LEN];
- __u8 sipx_type;
- unsigned char sipx_zero; /* 16 byte fill */
-};
-#endif /* __UAPI_DEF_SOCKADDR_IPX */
-
-/*
- * So we can fit the extra info for SIOCSIFADDR into the address nicely
- */
-#define sipx_special sipx_port
-#define sipx_action sipx_zero
-#define IPX_DLTITF 0
-#define IPX_CRTITF 1
-
-#if __UAPI_DEF_IPX_ROUTE_DEFINITION
-struct ipx_route_definition {
- __be32 ipx_network;
- __be32 ipx_router_network;
- unsigned char ipx_router_node[IPX_NODE_LEN];
-};
-#endif /* __UAPI_DEF_IPX_ROUTE_DEFINITION */
-
-#if __UAPI_DEF_IPX_INTERFACE_DEFINITION
-struct ipx_interface_definition {
- __be32 ipx_network;
- unsigned char ipx_device[16];
- unsigned char ipx_dlink_type;
-#define IPX_FRAME_NONE 0
-#define IPX_FRAME_SNAP 1
-#define IPX_FRAME_8022 2
-#define IPX_FRAME_ETHERII 3
-#define IPX_FRAME_8023 4
-#define IPX_FRAME_TR_8022 5 /* obsolete */
- unsigned char ipx_special;
-#define IPX_SPECIAL_NONE 0
-#define IPX_PRIMARY 1
-#define IPX_INTERNAL 2
- unsigned char ipx_node[IPX_NODE_LEN];
-};
-#endif /* __UAPI_DEF_IPX_INTERFACE_DEFINITION */
-
-#if __UAPI_DEF_IPX_CONFIG_DATA
-struct ipx_config_data {
- unsigned char ipxcfg_auto_select_primary;
- unsigned char ipxcfg_auto_create_interfaces;
-};
-#endif /* __UAPI_DEF_IPX_CONFIG_DATA */
-
-/*
- * OLD Route Definition for backward compatibility.
- */
-
-#if __UAPI_DEF_IPX_ROUTE_DEF
-struct ipx_route_def {
- __be32 ipx_network;
- __be32 ipx_router_network;
-#define IPX_ROUTE_NO_ROUTER 0
- unsigned char ipx_router_node[IPX_NODE_LEN];
- unsigned char ipx_device[16];
- unsigned short ipx_flags;
-#define IPX_RT_SNAP 8
-#define IPX_RT_8022 4
-#define IPX_RT_BLUEBOOK 2
-#define IPX_RT_ROUTED 1
-};
-#endif /* __UAPI_DEF_IPX_ROUTE_DEF */
-
-#define SIOCAIPXITFCRT (SIOCPROTOPRIVATE)
-#define SIOCAIPXPRISLT (SIOCPROTOPRIVATE + 1)
-#define SIOCIPXCFGDATA (SIOCPROTOPRIVATE + 2)
-#define SIOCIPXNCPCONN (SIOCPROTOPRIVATE + 3)
-#endif /* _IPX_H_ */
--
2.25.1
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