[PATCH] staging: r8188eu: Remove the dependency on ipx.h

[Cai Huoqing <caihuoqing@baidu.com>]

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 remove the dependency on ipx.h

Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
---
 drivers/staging/r8188eu/core/rtw_br_ext.c | 24 ++++++++++++++++++++++-
 1 file changed, 23 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/r8188eu/core/rtw_br_ext.c b/drivers/staging/r8188eu/core/rtw_br_ext.c
index 63a4cabdd3a8..173679709e70 100644
--- a/drivers/staging/r8188eu/core/rtw_br_ext.c
+++ b/drivers/staging/r8188eu/core/rtw_br_ext.c
@@ -5,7 +5,6 @@
 
 #include "../include/linux/if_arp.h"
 #include "../include/net/ip.h"
-#include "../include/net/ipx.h"
 #include "../include/linux/atalk.h"
 #include "../include/linux/udp.h"
 #include "../include/linux/if_pppox.h"
@@ -37,6 +36,29 @@
 #define MAGIC_CODE_LEN	2
 #define WAIT_TIME_PPPOE	5	/*  waiting time for pppoe server in sec */
 
+#define IPX_NODE_LEN	6
+struct ipx_address {
+	__be32  net;
+	__u8    node[IPX_NODE_LEN];
+	__be16  sock;
+};
+
+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;
+};
+
 /*-----------------------------------------------------------------
   How database records network address:
 	   0    1    2    3    4    5    6    7    8    9   10
-- 
2.25.1