wdenk | 2d96695 | 2002-10-31 22:12:35 +0000 | [diff] [blame] | 1 | /* |
| 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 | |
wdenk | 7a428cc | 2003-06-15 22:40:42 +0000 | [diff] [blame] | 15 | #if defined(CONFIG_8xx) |
wdenk | 2d96695 | 2002-10-31 22:12:35 +0000 | [diff] [blame] | 16 | #include <commproc.h> |
wdenk | 7a428cc | 2003-06-15 22:40:42 +0000 | [diff] [blame] | 17 | # 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 */ |
wdenk | eda4208 | 2003-01-17 16:27:01 +0000 | [diff] [blame] | 23 | |
wdenk | be9c1cb | 2004-02-24 02:00:03 +0000 | [diff] [blame] | 24 | #if defined(CONFIG_MPC5xxx) |
wdenk | b846356 | 2003-07-26 08:08:08 +0000 | [diff] [blame] | 25 | # if !defined(CONFIG_NET_MULTI) |
wdenk | be9c1cb | 2004-02-24 02:00:03 +0000 | [diff] [blame] | 26 | # if defined(CONFIG_MPC5xxx_FEC) |
wdenk | b846356 | 2003-07-26 08:08:08 +0000 | [diff] [blame] | 27 | # define CONFIG_NET_MULTI |
| 28 | # endif |
| 29 | # endif |
wdenk | be9c1cb | 2004-02-24 02:00:03 +0000 | [diff] [blame] | 30 | #endif /* CONFIG_MPC5xxx */ |
wdenk | b846356 | 2003-07-26 08:08:08 +0000 | [diff] [blame] | 31 | |
Jon Loeliger | f5ad378 | 2005-07-23 10:37:35 -0500 | [diff] [blame] | 32 | #if !defined(CONFIG_NET_MULTI) && defined(CONFIG_CPM2) |
wdenk | eda4208 | 2003-01-17 16:27:01 +0000 | [diff] [blame] | 33 | #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-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 41 | # define CONFIG_SYS_CMXFCR_MASK1 CONFIG_SYS_CMXFCR_MASK |
| 42 | # define CONFIG_SYS_CMXFCR_VALUE1 CONFIG_SYS_CMXFCR_VALUE |
wdenk | eda4208 | 2003-01-17 16:27:01 +0000 | [diff] [blame] | 43 | #elif (CONFIG_ETHER_INDEX == 2) |
| 44 | #define CONFIG_ETHER_ON_FCC2 |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 45 | # define CONFIG_SYS_CMXFCR_MASK2 CONFIG_SYS_CMXFCR_MASK |
| 46 | # define CONFIG_SYS_CMXFCR_VALUE2 CONFIG_SYS_CMXFCR_VALUE |
wdenk | eda4208 | 2003-01-17 16:27:01 +0000 | [diff] [blame] | 47 | #elif (CONFIG_ETHER_INDEX == 3) |
| 48 | #define CONFIG_ETHER_ON_FCC3 |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 49 | # define CONFIG_SYS_CMXFCR_MASK3 CONFIG_SYS_CMXFCR_MASK |
| 50 | # define CONFIG_SYS_CMXFCR_VALUE3 CONFIG_SYS_CMXFCR_VALUE |
wdenk | eda4208 | 2003-01-17 16:27:01 +0000 | [diff] [blame] | 51 | #endif /* CONFIG_ETHER_INDEX */ |
| 52 | #endif /* CONFIG_ETHER_ON_FCC */ |
| 53 | #endif /* !CONFIG_NET_MULTI && CONFIG_8260 */ |
| 54 | |
wdenk | 2d96695 | 2002-10-31 22:12:35 +0000 | [diff] [blame] | 55 | #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-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 64 | #ifdef CONFIG_SYS_RX_ETH_BUFFER |
| 65 | # define PKTBUFSRX CONFIG_SYS_RX_ETH_BUFFER |
wdenk | 2582f6b | 2002-11-11 21:14:20 +0000 | [diff] [blame] | 66 | #else |
stroese | 14331ad | 2003-06-05 15:38:29 +0000 | [diff] [blame] | 67 | # define PKTBUFSRX 4 |
wdenk | 2582f6b | 2002-11-11 21:14:20 +0000 | [diff] [blame] | 68 | #endif |
| 69 | |
wdenk | 2d96695 | 2002-10-31 22:12:35 +0000 | [diff] [blame] | 70 | #define PKTALIGN 32 |
| 71 | |
| 72 | typedef ulong IPaddr_t; |
| 73 | |
| 74 | |
wdenk | 2d96695 | 2002-10-31 22:12:35 +0000 | [diff] [blame] | 75 | /* |
| 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 | */ |
| 80 | typedef void rxhand_f(uchar *, unsigned, unsigned, unsigned); |
| 81 | |
| 82 | /* |
| 83 | * A timeout handler. Called after time interval has expired. |
| 84 | */ |
| 85 | typedef void thand_f(void); |
| 86 | |
wdenk | 2d96695 | 2002-10-31 22:12:35 +0000 | [diff] [blame] | 87 | #define NAMESIZE 16 |
| 88 | |
| 89 | enum eth_state_t { |
| 90 | ETH_STATE_INIT, |
| 91 | ETH_STATE_PASSIVE, |
| 92 | ETH_STATE_ACTIVE |
| 93 | }; |
| 94 | |
| 95 | struct 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 Updegraff | 7280da7 | 2007-06-11 10:41:07 -0500 | [diff] [blame] | 102 | int (*send) (struct eth_device*, volatile void* packet, int length); |
wdenk | 2d96695 | 2002-10-31 22:12:35 +0000 | [diff] [blame] | 103 | int (*recv) (struct eth_device*); |
| 104 | void (*halt) (struct eth_device*); |
David Updegraff | 7280da7 | 2007-06-11 10:41:07 -0500 | [diff] [blame] | 105 | #ifdef CONFIG_MCAST_TFTP |
| 106 | int (*mcast) (struct eth_device*, u32 ip, u8 set); |
| 107 | #endif |
wdenk | 2d96695 | 2002-10-31 22:12:35 +0000 | [diff] [blame] | 108 | struct eth_device *next; |
| 109 | void *priv; |
| 110 | }; |
| 111 | |
| 112 | extern int eth_initialize(bd_t *bis); /* Initialize network subsystem */ |
| 113 | extern int eth_register(struct eth_device* dev);/* Register network device */ |
| 114 | extern void eth_try_another(int first_restart); /* Change the device */ |
wdenk | 145d2c1 | 2004-04-15 21:48:45 +0000 | [diff] [blame] | 115 | #ifdef CONFIG_NET_MULTI |
| 116 | extern void eth_set_current(void); /* set nterface to ethcur var. */ |
| 117 | #endif |
wdenk | 2d96695 | 2002-10-31 22:12:35 +0000 | [diff] [blame] | 118 | extern struct eth_device *eth_get_dev(void); /* get the current device MAC */ |
Marian Balakowicz | aab8c49 | 2005-10-28 22:30:33 +0200 | [diff] [blame] | 119 | extern struct eth_device *eth_get_dev_by_name(char *devname); /* get device */ |
wdenk | 145d2c1 | 2004-04-15 21:48:45 +0000 | [diff] [blame] | 120 | extern int eth_get_dev_index (void); /* get the device index */ |
wdenk | 2d96695 | 2002-10-31 22:12:35 +0000 | [diff] [blame] | 121 | extern void eth_set_enetaddr(int num, char* a); /* Set new MAC address */ |
wdenk | 2d96695 | 2002-10-31 22:12:35 +0000 | [diff] [blame] | 122 | |
| 123 | extern int eth_init(bd_t *bis); /* Initialize the device */ |
| 124 | extern int eth_send(volatile void *packet, int length); /* Send a packet */ |
Rafal Jaworowski | 1f2c9a4 | 2007-12-27 18:19:02 +0100 | [diff] [blame] | 125 | #ifdef CONFIG_API |
| 126 | extern int eth_receive(volatile void *packet, int length); /* Receive a packet */ |
| 127 | #endif |
wdenk | 2d96695 | 2002-10-31 22:12:35 +0000 | [diff] [blame] | 128 | extern int eth_rx(void); /* Check for received packets */ |
| 129 | extern void eth_halt(void); /* stop SCC */ |
wdenk | c6abb7e | 2003-11-17 21:14:37 +0000 | [diff] [blame] | 130 | extern char *eth_get_name(void); /* get name of current device */ |
wdenk | 2d96695 | 2002-10-31 22:12:35 +0000 | [diff] [blame] | 131 | |
David Updegraff | 7280da7 | 2007-06-11 10:41:07 -0500 | [diff] [blame] | 132 | #ifdef CONFIG_MCAST_TFTP |
| 133 | int eth_mcast_join( IPaddr_t mcast_addr, u8 join); |
| 134 | u32 ether_crc (size_t len, unsigned char const *p); |
| 135 | #endif |
| 136 | |
wdenk | 2d96695 | 2002-10-31 22:12:35 +0000 | [diff] [blame] | 137 | |
| 138 | /**********************************************************************/ |
| 139 | /* |
| 140 | * Protocol headers. |
| 141 | */ |
| 142 | |
| 143 | /* |
| 144 | * Ethernet header |
| 145 | */ |
| 146 | typedef 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 */ |
wdenk | 145d2c1 | 2004-04-15 21:48:45 +0000 | [diff] [blame] | 161 | |
| 162 | /* |
| 163 | * Ethernet header |
| 164 | */ |
| 165 | typedef 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 | |
wdenk | 2d96695 | 2002-10-31 22:12:35 +0000 | [diff] [blame] | 175 | #define PROT_IP 0x0800 /* IP protocol */ |
| 176 | #define PROT_ARP 0x0806 /* IP ARP protocol */ |
| 177 | #define PROT_RARP 0x8035 /* IP ARP protocol */ |
wdenk | 145d2c1 | 2004-04-15 21:48:45 +0000 | [diff] [blame] | 178 | #define PROT_VLAN 0x8100 /* IEEE 802.1q protocol */ |
wdenk | 2d96695 | 2002-10-31 22:12:35 +0000 | [diff] [blame] | 179 | |
| 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 | */ |
| 186 | typedef 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 Tyser | 0885bf0 | 2008-12-01 16:26:20 -0600 | [diff] [blame] | 203 | #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 | |
wdenk | 2d96695 | 2002-10-31 22:12:35 +0000 | [diff] [blame] | 209 | #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 | */ |
| 216 | typedef 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 | /* |
wdenk | 57b2d80 | 2003-06-27 21:31:46 +0000 | [diff] [blame] | 231 | * The remaining fields are variable in size, according to |
| 232 | * the sizes above, and are defined as appropriate for |
| 233 | * specific hardware/protocol combinations. |
wdenk | 2d96695 | 2002-10-31 22:12:35 +0000 | [diff] [blame] | 234 | */ |
| 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 Denk | a1be476 | 2008-05-20 16:00:29 +0200 | [diff] [blame] | 249 | #define ICMP_ECHO_REPLY 0 /* Echo reply */ |
wdenk | 2d96695 | 2002-10-31 22:12:35 +0000 | [diff] [blame] | 250 | #define ICMP_REDIRECT 5 /* Redirect (change route) */ |
wdenk | e6466f6 | 2003-06-05 19:27:42 +0000 | [diff] [blame] | 251 | #define ICMP_ECHO_REQUEST 8 /* Echo request */ |
wdenk | 2d96695 | 2002-10-31 22:12:35 +0000 | [diff] [blame] | 252 | |
| 253 | /* Codes for REDIRECT. */ |
| 254 | #define ICMP_REDIR_NET 0 /* Redirect Net */ |
| 255 | #define ICMP_REDIR_HOST 1 /* Redirect Host */ |
| 256 | |
| 257 | typedef 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 | |
wdenk | 2d96695 | 2002-10-31 22:12:35 +0000 | [diff] [blame] | 275 | /* |
| 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 **/ |
| 312 | extern IPaddr_t NetOurGatewayIP; /* Our gateway IP addresse */ |
| 313 | extern IPaddr_t NetOurSubnetMask; /* Our subnet mask (0 = unknown)*/ |
| 314 | extern IPaddr_t NetOurDNSIP; /* Our Domain Name Server (0 = unknown)*/ |
Jon Loeliger | 5336a76 | 2007-07-09 22:08:34 -0500 | [diff] [blame] | 315 | #if defined(CONFIG_BOOTP_DNS2) |
stroese | e0aadfb | 2003-08-28 14:17:32 +0000 | [diff] [blame] | 316 | extern IPaddr_t NetOurDNS2IP; /* Our 2nd Domain Name Server (0 = unknown)*/ |
| 317 | #endif |
wdenk | 2d96695 | 2002-10-31 22:12:35 +0000 | [diff] [blame] | 318 | extern char NetOurNISDomain[32]; /* Our NIS domain */ |
| 319 | extern char NetOurHostName[32]; /* Our hostname */ |
| 320 | extern char NetOurRootPath[64]; /* Our root path */ |
| 321 | extern ushort NetBootFileSize; /* Our boot file size in blocks */ |
| 322 | /** END OF BOOTP EXTENTIONS **/ |
| 323 | extern ulong NetBootFileXferSize; /* size of bootfile in bytes */ |
| 324 | extern uchar NetOurEther[6]; /* Our ethernet address */ |
| 325 | extern uchar NetServerEther[6]; /* Boot server enet address */ |
| 326 | extern IPaddr_t NetOurIP; /* Our IP addr (0 = unknown) */ |
| 327 | extern IPaddr_t NetServerIP; /* Server IP addr (0 = unknown) */ |
| 328 | extern volatile uchar * NetTxPacket; /* THE transmit packet */ |
| 329 | extern volatile uchar * NetRxPackets[PKTBUFSRX];/* Receive packets */ |
| 330 | extern volatile uchar * NetRxPkt; /* Current receive packet */ |
| 331 | extern int NetRxPktLen; /* Current rx packet length */ |
| 332 | extern unsigned NetIPID; /* IP ID (counting) */ |
| 333 | extern uchar NetBcastAddr[6]; /* Ethernet boardcast address */ |
wdenk | b8fb619 | 2004-08-02 21:11:11 +0000 | [diff] [blame] | 334 | extern uchar NetEtherNullAddr[6]; |
wdenk | 2d96695 | 2002-10-31 22:12:35 +0000 | [diff] [blame] | 335 | |
Wolfgang Denk | a1be476 | 2008-05-20 16:00:29 +0200 | [diff] [blame] | 336 | #define VLAN_NONE 4095 /* untagged */ |
| 337 | #define VLAN_IDMASK 0x0fff /* mask of valid vlan id */ |
| 338 | extern ushort NetOurVLAN; /* Our VLAN */ |
| 339 | extern ushort NetOurNativeVLAN; /* Our Native VLAN */ |
wdenk | 145d2c1 | 2004-04-15 21:48:45 +0000 | [diff] [blame] | 340 | |
Wolfgang Denk | a1be476 | 2008-05-20 16:00:29 +0200 | [diff] [blame] | 341 | extern uchar NetCDPAddr[6]; /* Ethernet CDP address */ |
wdenk | 145d2c1 | 2004-04-15 21:48:45 +0000 | [diff] [blame] | 342 | extern ushort CDPNativeVLAN; /* CDP returned native VLAN */ |
| 343 | extern ushort CDPApplianceVLAN; /* CDP returned appliance VLAN */ |
| 344 | |
wdenk | 2d96695 | 2002-10-31 22:12:35 +0000 | [diff] [blame] | 345 | extern 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 |
| 352 | extern int NetRestartWrap; /* Tried all network devices */ |
| 353 | #endif |
| 354 | |
wdenk | b4ad962 | 2005-04-01 00:25:43 +0000 | [diff] [blame] | 355 | typedef enum { BOOTP, RARP, ARP, TFTP, DHCP, PING, DNS, NFS, CDP, NETCONS, SNTP } proto_t; |
wdenk | 2d96695 | 2002-10-31 22:12:35 +0000 | [diff] [blame] | 356 | |
| 357 | /* from net/net.c */ |
| 358 | extern char BootFile[128]; /* Boot File name */ |
| 359 | |
Jon Loeliger | 2517d97 | 2007-07-09 17:15:49 -0500 | [diff] [blame] | 360 | #if defined(CONFIG_CMD_PING) |
Wolfgang Denk | a1be476 | 2008-05-20 16:00:29 +0200 | [diff] [blame] | 361 | extern IPaddr_t NetPingIP; /* the ip address to ping */ |
wdenk | e6466f6 | 2003-06-05 19:27:42 +0000 | [diff] [blame] | 362 | #endif |
| 363 | |
Jon Loeliger | 2517d97 | 2007-07-09 17:15:49 -0500 | [diff] [blame] | 364 | #if defined(CONFIG_CMD_CDP) |
wdenk | 145d2c1 | 2004-04-15 21:48:45 +0000 | [diff] [blame] | 365 | /* when CDP completes these hold the return values */ |
| 366 | extern ushort CDPNativeVLAN; |
| 367 | extern ushort CDPApplianceVLAN; |
| 368 | #endif |
| 369 | |
Jon Loeliger | 2517d97 | 2007-07-09 17:15:49 -0500 | [diff] [blame] | 370 | #if defined(CONFIG_CMD_SNTP) |
Wolfgang Denk | a1be476 | 2008-05-20 16:00:29 +0200 | [diff] [blame] | 371 | extern IPaddr_t NetNtpServerIP; /* the ip address to NTP */ |
wdenk | b4ad962 | 2005-04-01 00:25:43 +0000 | [diff] [blame] | 372 | extern int NetTimeOffset; /* offset time from UTC */ |
| 373 | #endif |
| 374 | |
wdenk | 2d96695 | 2002-10-31 22:12:35 +0000 | [diff] [blame] | 375 | /* Initialize the network adapter */ |
| 376 | extern int NetLoop(proto_t); |
| 377 | |
| 378 | /* Shutdown adapters and cleanup */ |
| 379 | extern void NetStop(void); |
| 380 | |
| 381 | /* Load failed. Start again. */ |
| 382 | extern void NetStartAgain(void); |
| 383 | |
wdenk | 145d2c1 | 2004-04-15 21:48:45 +0000 | [diff] [blame] | 384 | /* Get size of the ethernet header when we send */ |
Wolfgang Denk | a1be476 | 2008-05-20 16:00:29 +0200 | [diff] [blame] | 385 | extern int NetEthHdrSize(void); |
wdenk | 145d2c1 | 2004-04-15 21:48:45 +0000 | [diff] [blame] | 386 | |
| 387 | /* Set ethernet header; returns the size of the header */ |
| 388 | extern int NetSetEther(volatile uchar *, uchar *, uint); |
wdenk | 2d96695 | 2002-10-31 22:12:35 +0000 | [diff] [blame] | 389 | |
| 390 | /* Set IP header */ |
| 391 | extern void NetSetIP(volatile uchar *, IPaddr_t, int, int, int); |
| 392 | |
| 393 | /* Checksum */ |
| 394 | extern int NetCksumOk(uchar *, int); /* Return true if cksum OK */ |
| 395 | extern uint NetCksum(uchar *, int); /* Calculate the checksum */ |
| 396 | |
| 397 | /* Set callbacks */ |
| 398 | extern void NetSetHandler(rxhand_f *); /* Set RX packet handler */ |
wdenk | d6a3dd4 | 2004-10-09 21:56:21 +0000 | [diff] [blame] | 399 | extern void NetSetTimeout(ulong, thand_f *);/* Set timeout handler */ |
wdenk | 2d96695 | 2002-10-31 22:12:35 +0000 | [diff] [blame] | 400 | |
| 401 | /* Transmit "NetTxPacket" */ |
| 402 | extern void NetSendPacket(volatile uchar *, int); |
| 403 | |
wdenk | e6466f6 | 2003-06-05 19:27:42 +0000 | [diff] [blame] | 404 | /* Transmit UDP packet, performing ARP request if needed */ |
| 405 | extern int NetSendUDPPacket(uchar *ether, IPaddr_t dest, int dport, int sport, int len); |
| 406 | |
wdenk | 2d96695 | 2002-10-31 22:12:35 +0000 | [diff] [blame] | 407 | /* Processes a received packet */ |
| 408 | extern void NetReceive(volatile uchar *, int); |
| 409 | |
| 410 | /* Print an IP address on the console */ |
| 411 | extern 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 Gustschin | 196a61a | 2008-04-30 13:34:40 +0200 | [diff] [blame] | 421 | static inline IPaddr_t NetReadIP(volatile void *from) |
wdenk | 2d96695 | 2002-10-31 22:12:35 +0000 | [diff] [blame] | 422 | { |
| 423 | IPaddr_t ip; |
Anatolij Gustschin | 196a61a | 2008-04-30 13:34:40 +0200 | [diff] [blame] | 424 | memcpy((void*)&ip, (void*)from, sizeof(ip)); |
wdenk | 2d96695 | 2002-10-31 22:12:35 +0000 | [diff] [blame] | 425 | return ip; |
| 426 | } |
| 427 | |
| 428 | /* return ulong *in network byteorder* */ |
| 429 | static 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* */ |
| 437 | static inline void NetWriteIP(void *to, IPaddr_t ip) |
| 438 | { |
| 439 | memcpy(to, (void*)&ip, sizeof(ip)); |
| 440 | } |
| 441 | |
| 442 | /* copy IP */ |
Anatolij Gustschin | 196a61a | 2008-04-30 13:34:40 +0200 | [diff] [blame] | 443 | static inline void NetCopyIP(volatile void *to, void *from) |
wdenk | 2d96695 | 2002-10-31 22:12:35 +0000 | [diff] [blame] | 444 | { |
Anatolij Gustschin | 196a61a | 2008-04-30 13:34:40 +0200 | [diff] [blame] | 445 | memcpy((void*)to, from, sizeof(IPaddr_t)); |
wdenk | 2d96695 | 2002-10-31 22:12:35 +0000 | [diff] [blame] | 446 | } |
| 447 | |
| 448 | /* copy ulong */ |
| 449 | static inline void NetCopyLong(ulong *to, ulong *from) |
| 450 | { |
| 451 | memcpy((void*)to, (void*)from, sizeof(ulong)); |
| 452 | } |
| 453 | |
Mike Rapoport | e54d6c1 | 2007-08-12 08:48:27 +0300 | [diff] [blame] | 454 | /** |
| 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 | */ |
| 460 | static 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 | */ |
| 472 | static inline int is_multicast_ether_addr(const u8 *addr) |
| 473 | { |
| 474 | return (0x01 & addr[0]); |
| 475 | } |
| 476 | |
wdenk | 2d96695 | 2002-10-31 22:12:35 +0000 | [diff] [blame] | 477 | /* Convert an IP address to a string */ |
| 478 | extern void ip_to_string (IPaddr_t x, char *s); |
| 479 | |
wdenk | e6466f6 | 2003-06-05 19:27:42 +0000 | [diff] [blame] | 480 | /* Convert a string to ip address */ |
| 481 | extern IPaddr_t string_to_ip(char *s); |
| 482 | |
wdenk | 145d2c1 | 2004-04-15 21:48:45 +0000 | [diff] [blame] | 483 | /* Convert a VLAN id to a string */ |
| 484 | extern void VLAN_to_string (ushort x, char *s); |
| 485 | |
| 486 | /* Convert a string to a vlan id */ |
| 487 | extern ushort string_to_VLAN(char *s); |
| 488 | |
wdenk | 2d96695 | 2002-10-31 22:12:35 +0000 | [diff] [blame] | 489 | /* read an IP address from a environment variable */ |
| 490 | extern IPaddr_t getenv_IPaddr (char *); |
| 491 | |
wdenk | 145d2c1 | 2004-04-15 21:48:45 +0000 | [diff] [blame] | 492 | /* read a VLAN id from an environment variable */ |
| 493 | extern ushort getenv_VLAN(char *); |
| 494 | |
wdenk | 2d96695 | 2002-10-31 22:12:35 +0000 | [diff] [blame] | 495 | /* copy a filename (allow for "..." notation, limit length) */ |
Wolfgang Denk | 7fb5266 | 2005-10-13 16:45:02 +0200 | [diff] [blame] | 496 | extern void copy_filename (char *dst, char *src, int size); |
wdenk | 2d96695 | 2002-10-31 22:12:35 +0000 | [diff] [blame] | 497 | |
| 498 | /**********************************************************************/ |
| 499 | |
| 500 | #endif /* __NET_H__ */ |