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wdenk2d966952002-10-31 22:12:35 +00001/*
2 * LiMon Monitor (LiMon) - Network.
3 *
4 * Copyright 1994 - 2000 Neil Russell.
5 * (See License)
6 *
7 *
8 * History
9 * 9/16/00 bor adapted to TQM823L/STK8xxL board, RARP/TFTP boot added
10 */
11
12#ifndef __NET_H__
13#define __NET_H__
14
wdenk71f95112003-06-15 22:40:42 +000015#if defined(CONFIG_8xx)
wdenk2d966952002-10-31 22:12:35 +000016#include <commproc.h>
wdenk71f95112003-06-15 22:40:42 +000017# if !defined(CONFIG_NET_MULTI)
18# if defined(FEC_ENET) || defined(SCC_ENET)
19# define CONFIG_NET_MULTI
20# endif
21# endif
22#endif /* CONFIG_8xx */
wdenkaacf9a42003-01-17 16:27:01 +000023
wdenkcbd8a352004-02-24 02:00:03 +000024#if defined(CONFIG_MPC5xxx)
wdenk77846742003-07-26 08:08:08 +000025# if !defined(CONFIG_NET_MULTI)
wdenkcbd8a352004-02-24 02:00:03 +000026# if defined(CONFIG_MPC5xxx_FEC)
wdenk77846742003-07-26 08:08:08 +000027# define CONFIG_NET_MULTI
28# endif
29# endif
wdenkcbd8a352004-02-24 02:00:03 +000030#endif /* CONFIG_MPC5xxx */
wdenk77846742003-07-26 08:08:08 +000031
Jon Loeliger9c4c5ae2005-07-23 10:37:35 -050032#if !defined(CONFIG_NET_MULTI) && defined(CONFIG_CPM2)
wdenkaacf9a42003-01-17 16:27:01 +000033#include <config.h>
34#if defined(CONFIG_ETHER_ON_FCC)
35#if defined(CONFIG_ETHER_ON_SCC)
36#error "Ethernet not correctly defined"
37#endif /* CONFIG_ETHER_ON_SCC */
38#define CONFIG_NET_MULTI
39#if (CONFIG_ETHER_INDEX == 1)
40#define CONFIG_ETHER_ON_FCC1
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020041# define CONFIG_SYS_CMXFCR_MASK1 CONFIG_SYS_CMXFCR_MASK
42# define CONFIG_SYS_CMXFCR_VALUE1 CONFIG_SYS_CMXFCR_VALUE
wdenkaacf9a42003-01-17 16:27:01 +000043#elif (CONFIG_ETHER_INDEX == 2)
44#define CONFIG_ETHER_ON_FCC2
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020045# define CONFIG_SYS_CMXFCR_MASK2 CONFIG_SYS_CMXFCR_MASK
46# define CONFIG_SYS_CMXFCR_VALUE2 CONFIG_SYS_CMXFCR_VALUE
wdenkaacf9a42003-01-17 16:27:01 +000047#elif (CONFIG_ETHER_INDEX == 3)
48#define CONFIG_ETHER_ON_FCC3
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020049# define CONFIG_SYS_CMXFCR_MASK3 CONFIG_SYS_CMXFCR_MASK
50# define CONFIG_SYS_CMXFCR_VALUE3 CONFIG_SYS_CMXFCR_VALUE
wdenkaacf9a42003-01-17 16:27:01 +000051#endif /* CONFIG_ETHER_INDEX */
52#endif /* CONFIG_ETHER_ON_FCC */
53#endif /* !CONFIG_NET_MULTI && CONFIG_8260 */
54
wdenk2d966952002-10-31 22:12:35 +000055#include <asm/byteorder.h> /* for nton* / ntoh* stuff */
56
57
58/*
59 * The number of receive packet buffers, and the required packet buffer
60 * alignment in memory.
61 *
62 */
63
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020064#ifdef CONFIG_SYS_RX_ETH_BUFFER
65# define PKTBUFSRX CONFIG_SYS_RX_ETH_BUFFER
wdenk1d0350e2002-11-11 21:14:20 +000066#else
stroesec6028832003-06-05 15:38:29 +000067# define PKTBUFSRX 4
wdenk1d0350e2002-11-11 21:14:20 +000068#endif
69
wdenk2d966952002-10-31 22:12:35 +000070#define PKTALIGN 32
71
72typedef ulong IPaddr_t;
73
74
wdenk2d966952002-10-31 22:12:35 +000075/*
76 * The current receive packet handler. Called with a pointer to the
77 * application packet, and a protocol type (PORT_BOOTPC or PORT_TFTP).
78 * All other packets are dealt with without calling the handler.
79 */
80typedef void rxhand_f(uchar *, unsigned, unsigned, unsigned);
81
82/*
83 * A timeout handler. Called after time interval has expired.
84 */
85typedef void thand_f(void);
86
wdenk2d966952002-10-31 22:12:35 +000087#define NAMESIZE 16
88
89enum eth_state_t {
90 ETH_STATE_INIT,
91 ETH_STATE_PASSIVE,
92 ETH_STATE_ACTIVE
93};
94
95struct eth_device {
96 char name[NAMESIZE];
97 unsigned char enetaddr[6];
98 int iobase;
99 int state;
100
101 int (*init) (struct eth_device*, bd_t*);
David Updegraff53a5c422007-06-11 10:41:07 -0500102 int (*send) (struct eth_device*, volatile void* packet, int length);
wdenk2d966952002-10-31 22:12:35 +0000103 int (*recv) (struct eth_device*);
104 void (*halt) (struct eth_device*);
David Updegraff53a5c422007-06-11 10:41:07 -0500105#ifdef CONFIG_MCAST_TFTP
106 int (*mcast) (struct eth_device*, u32 ip, u8 set);
107#endif
wdenk2d966952002-10-31 22:12:35 +0000108 struct eth_device *next;
109 void *priv;
110};
111
112extern int eth_initialize(bd_t *bis); /* Initialize network subsystem */
113extern int eth_register(struct eth_device* dev);/* Register network device */
114extern void eth_try_another(int first_restart); /* Change the device */
wdenka3d991b2004-04-15 21:48:45 +0000115#ifdef CONFIG_NET_MULTI
116extern void eth_set_current(void); /* set nterface to ethcur var. */
117#endif
wdenk2d966952002-10-31 22:12:35 +0000118extern struct eth_device *eth_get_dev(void); /* get the current device MAC */
Marian Balakowicz63ff0042005-10-28 22:30:33 +0200119extern struct eth_device *eth_get_dev_by_name(char *devname); /* get device */
wdenka3d991b2004-04-15 21:48:45 +0000120extern int eth_get_dev_index (void); /* get the device index */
wdenk2d966952002-10-31 22:12:35 +0000121extern void eth_set_enetaddr(int num, char* a); /* Set new MAC address */
wdenk2d966952002-10-31 22:12:35 +0000122
123extern int eth_init(bd_t *bis); /* Initialize the device */
124extern int eth_send(volatile void *packet, int length); /* Send a packet */
Rafal Jaworowskif85b6072007-12-27 18:19:02 +0100125#ifdef CONFIG_API
126extern int eth_receive(volatile void *packet, int length); /* Receive a packet */
127#endif
wdenk2d966952002-10-31 22:12:35 +0000128extern int eth_rx(void); /* Check for received packets */
129extern void eth_halt(void); /* stop SCC */
wdenk5bb226e2003-11-17 21:14:37 +0000130extern char *eth_get_name(void); /* get name of current device */
wdenk2d966952002-10-31 22:12:35 +0000131
David Updegraff53a5c422007-06-11 10:41:07 -0500132#ifdef CONFIG_MCAST_TFTP
133int eth_mcast_join( IPaddr_t mcast_addr, u8 join);
134u32 ether_crc (size_t len, unsigned char const *p);
135#endif
136
wdenk2d966952002-10-31 22:12:35 +0000137
138/**********************************************************************/
139/*
140 * Protocol headers.
141 */
142
143/*
144 * Ethernet header
145 */
146typedef struct {
147 uchar et_dest[6]; /* Destination node */
148 uchar et_src[6]; /* Source node */
149 ushort et_protlen; /* Protocol or length */
150 uchar et_dsap; /* 802 DSAP */
151 uchar et_ssap; /* 802 SSAP */
152 uchar et_ctl; /* 802 control */
153 uchar et_snap1; /* SNAP */
154 uchar et_snap2;
155 uchar et_snap3;
156 ushort et_prot; /* 802 protocol */
157} Ethernet_t;
158
159#define ETHER_HDR_SIZE 14 /* Ethernet header size */
160#define E802_HDR_SIZE 22 /* 802 ethernet header size */
wdenka3d991b2004-04-15 21:48:45 +0000161
162/*
163 * Ethernet header
164 */
165typedef struct {
166 uchar vet_dest[6]; /* Destination node */
167 uchar vet_src[6]; /* Source node */
168 ushort vet_vlan_type; /* PROT_VLAN */
169 ushort vet_tag; /* TAG of VLAN */
170 ushort vet_type; /* protocol type */
171} VLAN_Ethernet_t;
172
173#define VLAN_ETHER_HDR_SIZE 18 /* VLAN Ethernet header size */
174
wdenk2d966952002-10-31 22:12:35 +0000175#define PROT_IP 0x0800 /* IP protocol */
176#define PROT_ARP 0x0806 /* IP ARP protocol */
177#define PROT_RARP 0x8035 /* IP ARP protocol */
wdenka3d991b2004-04-15 21:48:45 +0000178#define PROT_VLAN 0x8100 /* IEEE 802.1q protocol */
wdenk2d966952002-10-31 22:12:35 +0000179
180#define IPPROTO_ICMP 1 /* Internet Control Message Protocol */
181#define IPPROTO_UDP 17 /* User Datagram Protocol */
182
183/*
184 * Internet Protocol (IP) header.
185 */
186typedef struct {
187 uchar ip_hl_v; /* header length and version */
188 uchar ip_tos; /* type of service */
189 ushort ip_len; /* total length */
190 ushort ip_id; /* identification */
191 ushort ip_off; /* fragment offset field */
192 uchar ip_ttl; /* time to live */
193 uchar ip_p; /* protocol */
194 ushort ip_sum; /* checksum */
195 IPaddr_t ip_src; /* Source IP address */
196 IPaddr_t ip_dst; /* Destination IP address */
197 ushort udp_src; /* UDP source port */
198 ushort udp_dst; /* UDP destination port */
199 ushort udp_len; /* Length of UDP packet */
200 ushort udp_xsum; /* Checksum */
201} IP_t;
202
Peter Tysere0c07b82008-12-01 16:26:20 -0600203#define IP_OFFS 0x1fff /* ip offset *= 8 */
204#define IP_FLAGS 0xe000 /* first 3 bits */
205#define IP_FLAGS_RES 0x8000 /* reserved */
206#define IP_FLAGS_DFRAG 0x4000 /* don't fragments */
207#define IP_FLAGS_MFRAG 0x2000 /* more fragments */
208
wdenk2d966952002-10-31 22:12:35 +0000209#define IP_HDR_SIZE_NO_UDP (sizeof (IP_t) - 8)
210#define IP_HDR_SIZE (sizeof (IP_t))
211
212
213/*
214 * Address Resolution Protocol (ARP) header.
215 */
216typedef struct
217{
218 ushort ar_hrd; /* Format of hardware address */
219# define ARP_ETHER 1 /* Ethernet hardware address */
220 ushort ar_pro; /* Format of protocol address */
221 uchar ar_hln; /* Length of hardware address */
222 uchar ar_pln; /* Length of protocol address */
223 ushort ar_op; /* Operation */
224# define ARPOP_REQUEST 1 /* Request to resolve address */
225# define ARPOP_REPLY 2 /* Response to previous request */
226
227# define RARPOP_REQUEST 3 /* Request to resolve address */
228# define RARPOP_REPLY 4 /* Response to previous request */
229
230 /*
wdenk8bde7f72003-06-27 21:31:46 +0000231 * The remaining fields are variable in size, according to
232 * the sizes above, and are defined as appropriate for
233 * specific hardware/protocol combinations.
wdenk2d966952002-10-31 22:12:35 +0000234 */
235 uchar ar_data[0];
236#if 0
237 uchar ar_sha[]; /* Sender hardware address */
238 uchar ar_spa[]; /* Sender protocol address */
239 uchar ar_tha[]; /* Target hardware address */
240 uchar ar_tpa[]; /* Target protocol address */
241#endif /* 0 */
242} ARP_t;
243
244#define ARP_HDR_SIZE (8+20) /* Size assuming ethernet */
245
246/*
247 * ICMP stuff (just enough to handle (host) redirect messages)
248 */
Wolfgang Denk53677ef2008-05-20 16:00:29 +0200249#define ICMP_ECHO_REPLY 0 /* Echo reply */
wdenk2d966952002-10-31 22:12:35 +0000250#define ICMP_REDIRECT 5 /* Redirect (change route) */
wdenk73a8b272003-06-05 19:27:42 +0000251#define ICMP_ECHO_REQUEST 8 /* Echo request */
wdenk2d966952002-10-31 22:12:35 +0000252
253/* Codes for REDIRECT. */
254#define ICMP_REDIR_NET 0 /* Redirect Net */
255#define ICMP_REDIR_HOST 1 /* Redirect Host */
256
257typedef struct icmphdr {
258 uchar type;
259 uchar code;
260 ushort checksum;
261 union {
262 struct {
263 ushort id;
264 ushort sequence;
265 } echo;
266 ulong gateway;
267 struct {
268 ushort __unused;
269 ushort mtu;
270 } frag;
271 } un;
272} ICMP_t;
273
274
wdenk2d966952002-10-31 22:12:35 +0000275/*
276 * Maximum packet size; used to allocate packet storage.
277 * TFTP packets can be 524 bytes + IP header + ethernet header.
278 * Lets be conservative, and go for 38 * 16. (Must also be
279 * a multiple of 32 bytes).
280 */
281/*
282 * AS.HARNOIS : Better to set PKTSIZE to maximum size because
283 * traffic type is not always controlled
284 * maximum packet size = 1518
285 * maximum packet size and multiple of 32 bytes = 1536
286 */
287#define PKTSIZE 1518
288#define PKTSIZE_ALIGN 1536
289/*#define PKTSIZE 608*/
290
291/*
292 * Maximum receive ring size; that is, the number of packets
293 * we can buffer before overflow happens. Basically, this just
294 * needs to be enough to prevent a packet being discarded while
295 * we are processing the previous one.
296 */
297#define RINGSZ 4
298#define RINGSZ_LOG2 2
299
300/**********************************************************************/
301/*
302 * Globals.
303 *
304 * Note:
305 *
306 * All variables of type IPaddr_t are stored in NETWORK byte order
307 * (big endian).
308 */
309
310/* net.c */
311/** BOOTP EXTENTIONS **/
312extern IPaddr_t NetOurGatewayIP; /* Our gateway IP addresse */
313extern IPaddr_t NetOurSubnetMask; /* Our subnet mask (0 = unknown)*/
314extern IPaddr_t NetOurDNSIP; /* Our Domain Name Server (0 = unknown)*/
Jon Loeliger1fe80d72007-07-09 22:08:34 -0500315#if defined(CONFIG_BOOTP_DNS2)
stroesefe389a82003-08-28 14:17:32 +0000316extern IPaddr_t NetOurDNS2IP; /* Our 2nd Domain Name Server (0 = unknown)*/
317#endif
wdenk2d966952002-10-31 22:12:35 +0000318extern char NetOurNISDomain[32]; /* Our NIS domain */
319extern char NetOurHostName[32]; /* Our hostname */
320extern char NetOurRootPath[64]; /* Our root path */
321extern ushort NetBootFileSize; /* Our boot file size in blocks */
322/** END OF BOOTP EXTENTIONS **/
323extern ulong NetBootFileXferSize; /* size of bootfile in bytes */
324extern uchar NetOurEther[6]; /* Our ethernet address */
325extern uchar NetServerEther[6]; /* Boot server enet address */
326extern IPaddr_t NetOurIP; /* Our IP addr (0 = unknown) */
327extern IPaddr_t NetServerIP; /* Server IP addr (0 = unknown) */
328extern volatile uchar * NetTxPacket; /* THE transmit packet */
329extern volatile uchar * NetRxPackets[PKTBUFSRX];/* Receive packets */
330extern volatile uchar * NetRxPkt; /* Current receive packet */
331extern int NetRxPktLen; /* Current rx packet length */
332extern unsigned NetIPID; /* IP ID (counting) */
333extern uchar NetBcastAddr[6]; /* Ethernet boardcast address */
wdenk68ceb292004-08-02 21:11:11 +0000334extern uchar NetEtherNullAddr[6];
wdenk2d966952002-10-31 22:12:35 +0000335
Wolfgang Denk53677ef2008-05-20 16:00:29 +0200336#define VLAN_NONE 4095 /* untagged */
337#define VLAN_IDMASK 0x0fff /* mask of valid vlan id */
338extern ushort NetOurVLAN; /* Our VLAN */
339extern ushort NetOurNativeVLAN; /* Our Native VLAN */
wdenka3d991b2004-04-15 21:48:45 +0000340
Wolfgang Denk53677ef2008-05-20 16:00:29 +0200341extern uchar NetCDPAddr[6]; /* Ethernet CDP address */
wdenka3d991b2004-04-15 21:48:45 +0000342extern ushort CDPNativeVLAN; /* CDP returned native VLAN */
343extern ushort CDPApplianceVLAN; /* CDP returned appliance VLAN */
344
wdenk2d966952002-10-31 22:12:35 +0000345extern int NetState; /* Network loop state */
346#define NETLOOP_CONTINUE 1
347#define NETLOOP_RESTART 2
348#define NETLOOP_SUCCESS 3
349#define NETLOOP_FAIL 4
350
351#ifdef CONFIG_NET_MULTI
352extern int NetRestartWrap; /* Tried all network devices */
353#endif
354
wdenkea287de2005-04-01 00:25:43 +0000355typedef enum { BOOTP, RARP, ARP, TFTP, DHCP, PING, DNS, NFS, CDP, NETCONS, SNTP } proto_t;
wdenk2d966952002-10-31 22:12:35 +0000356
357/* from net/net.c */
358extern char BootFile[128]; /* Boot File name */
359
Jon Loeliger639221c2007-07-09 17:15:49 -0500360#if defined(CONFIG_CMD_PING)
Wolfgang Denk53677ef2008-05-20 16:00:29 +0200361extern IPaddr_t NetPingIP; /* the ip address to ping */
wdenk73a8b272003-06-05 19:27:42 +0000362#endif
363
Jon Loeliger639221c2007-07-09 17:15:49 -0500364#if defined(CONFIG_CMD_CDP)
wdenka3d991b2004-04-15 21:48:45 +0000365/* when CDP completes these hold the return values */
366extern ushort CDPNativeVLAN;
367extern ushort CDPApplianceVLAN;
368#endif
369
Jon Loeliger639221c2007-07-09 17:15:49 -0500370#if defined(CONFIG_CMD_SNTP)
Wolfgang Denk53677ef2008-05-20 16:00:29 +0200371extern IPaddr_t NetNtpServerIP; /* the ip address to NTP */
wdenkea287de2005-04-01 00:25:43 +0000372extern int NetTimeOffset; /* offset time from UTC */
373#endif
374
wdenk2d966952002-10-31 22:12:35 +0000375/* Initialize the network adapter */
376extern int NetLoop(proto_t);
377
378/* Shutdown adapters and cleanup */
379extern void NetStop(void);
380
381/* Load failed. Start again. */
382extern void NetStartAgain(void);
383
wdenka3d991b2004-04-15 21:48:45 +0000384/* Get size of the ethernet header when we send */
Wolfgang Denk53677ef2008-05-20 16:00:29 +0200385extern int NetEthHdrSize(void);
wdenka3d991b2004-04-15 21:48:45 +0000386
387/* Set ethernet header; returns the size of the header */
388extern int NetSetEther(volatile uchar *, uchar *, uint);
wdenk2d966952002-10-31 22:12:35 +0000389
390/* Set IP header */
391extern void NetSetIP(volatile uchar *, IPaddr_t, int, int, int);
392
393/* Checksum */
394extern int NetCksumOk(uchar *, int); /* Return true if cksum OK */
395extern uint NetCksum(uchar *, int); /* Calculate the checksum */
396
397/* Set callbacks */
398extern void NetSetHandler(rxhand_f *); /* Set RX packet handler */
wdenk3e01d752004-10-09 21:56:21 +0000399extern void NetSetTimeout(ulong, thand_f *);/* Set timeout handler */
wdenk2d966952002-10-31 22:12:35 +0000400
401/* Transmit "NetTxPacket" */
402extern void NetSendPacket(volatile uchar *, int);
403
wdenk73a8b272003-06-05 19:27:42 +0000404/* Transmit UDP packet, performing ARP request if needed */
405extern int NetSendUDPPacket(uchar *ether, IPaddr_t dest, int dport, int sport, int len);
406
wdenk2d966952002-10-31 22:12:35 +0000407/* Processes a received packet */
408extern void NetReceive(volatile uchar *, int);
409
410/* Print an IP address on the console */
411extern void print_IPaddr (IPaddr_t);
412
413/*
414 * The following functions are a bit ugly, but necessary to deal with
415 * alignment restrictions on ARM.
416 *
417 * We're using inline functions, which had the smallest memory
418 * footprint in our tests.
419 */
420/* return IP *in network byteorder* */
Anatolij Gustschin33a4a702008-04-30 13:34:40 +0200421static inline IPaddr_t NetReadIP(volatile void *from)
wdenk2d966952002-10-31 22:12:35 +0000422{
423 IPaddr_t ip;
Anatolij Gustschin33a4a702008-04-30 13:34:40 +0200424 memcpy((void*)&ip, (void*)from, sizeof(ip));
wdenk2d966952002-10-31 22:12:35 +0000425 return ip;
426}
427
428/* return ulong *in network byteorder* */
429static inline ulong NetReadLong(ulong *from)
430{
431 ulong l;
432 memcpy((void*)&l, (void*)from, sizeof(l));
433 return l;
434}
435
436/* write IP *in network byteorder* */
437static inline void NetWriteIP(void *to, IPaddr_t ip)
438{
439 memcpy(to, (void*)&ip, sizeof(ip));
440}
441
442/* copy IP */
Anatolij Gustschin33a4a702008-04-30 13:34:40 +0200443static inline void NetCopyIP(volatile void *to, void *from)
wdenk2d966952002-10-31 22:12:35 +0000444{
Anatolij Gustschin33a4a702008-04-30 13:34:40 +0200445 memcpy((void*)to, from, sizeof(IPaddr_t));
wdenk2d966952002-10-31 22:12:35 +0000446}
447
448/* copy ulong */
449static inline void NetCopyLong(ulong *to, ulong *from)
450{
451 memcpy((void*)to, (void*)from, sizeof(ulong));
452}
453
Mike Rapoport50cca8b2007-08-12 08:48:27 +0300454/**
455 * is_zero_ether_addr - Determine if give Ethernet address is all zeros.
456 * @addr: Pointer to a six-byte array containing the Ethernet address
457 *
458 * Return true if the address is all zeroes.
459 */
460static inline int is_zero_ether_addr(const u8 *addr)
461{
462 return !(addr[0] | addr[1] | addr[2] | addr[3] | addr[4] | addr[5]);
463}
464
465/**
466 * is_multicast_ether_addr - Determine if the Ethernet address is a multicast.
467 * @addr: Pointer to a six-byte array containing the Ethernet address
468 *
469 * Return true if the address is a multicast address.
470 * By definition the broadcast address is also a multicast address.
471 */
472static inline int is_multicast_ether_addr(const u8 *addr)
473{
474 return (0x01 & addr[0]);
475}
476
wdenk2d966952002-10-31 22:12:35 +0000477/* Convert an IP address to a string */
478extern void ip_to_string (IPaddr_t x, char *s);
479
wdenk73a8b272003-06-05 19:27:42 +0000480/* Convert a string to ip address */
481extern IPaddr_t string_to_ip(char *s);
482
wdenka3d991b2004-04-15 21:48:45 +0000483/* Convert a VLAN id to a string */
484extern void VLAN_to_string (ushort x, char *s);
485
486/* Convert a string to a vlan id */
487extern ushort string_to_VLAN(char *s);
488
wdenk2d966952002-10-31 22:12:35 +0000489/* read an IP address from a environment variable */
490extern IPaddr_t getenv_IPaddr (char *);
491
wdenka3d991b2004-04-15 21:48:45 +0000492/* read a VLAN id from an environment variable */
493extern ushort getenv_VLAN(char *);
494
wdenk2d966952002-10-31 22:12:35 +0000495/* copy a filename (allow for "..." notation, limit length) */
Wolfgang Denk77ddac92005-10-13 16:45:02 +0200496extern void copy_filename (char *dst, char *src, int size);
wdenk2d966952002-10-31 22:12:35 +0000497
498/**********************************************************************/
499
500#endif /* __NET_H__ */