drivers/net/ethernet/toshiba/spider_net.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * Network device driver for Cell Processor-Based Blade and Celleb platform
   4  *
   5  * (C) Copyright IBM Corp. 2005
   6  * (C) Copyright 2006 TOSHIBA CORPORATION
   7  *
   8  * Authors : Utz Bacher <utz.bacher@de.ibm.com>
   9  *           Jens Osterkamp <Jens.Osterkamp@de.ibm.com>
  10  */
  11
  12 #ifndef _SPIDER_NET_H
  13 #define _SPIDER_NET_H
  14
  15 #define VERSION "2.0 B"
  16
  17 #include <linux/sungem_phy.h>
  18
  19 int spider_net_stop(struct net_device *netdev);
  20 int spider_net_open(struct net_device *netdev);
  21
  22 extern const struct ethtool_ops spider_net_ethtool_ops;
  23
  24 extern char spider_net_driver_name[];
  25
  26 #define SPIDER_NET_MAX_FRAME                    2312
  27 #define SPIDER_NET_MAX_MTU                      2294
  28 #define SPIDER_NET_MIN_MTU                      64
  29
  30 #define SPIDER_NET_RXBUF_ALIGN                  128
  31
  32 #define SPIDER_NET_RX_DESCRIPTORS_DEFAULT       256
  33 #define SPIDER_NET_RX_DESCRIPTORS_MIN           16
  34 #define SPIDER_NET_RX_DESCRIPTORS_MAX           512
  35
  36 #define SPIDER_NET_TX_DESCRIPTORS_DEFAULT       256
  37 #define SPIDER_NET_TX_DESCRIPTORS_MIN           16
  38 #define SPIDER_NET_TX_DESCRIPTORS_MAX           512
  39
  40 #define SPIDER_NET_TX_TIMER                     (HZ/5)
  41 #define SPIDER_NET_ANEG_TIMER                   (HZ)
  42 #define SPIDER_NET_ANEG_TIMEOUT                 5
  43
  44 #define SPIDER_NET_RX_CSUM_DEFAULT              1
  45
  46 #define SPIDER_NET_WATCHDOG_TIMEOUT             50*HZ
  47
  48 #define SPIDER_NET_FIRMWARE_SEQS        6
  49 #define SPIDER_NET_FIRMWARE_SEQWORDS    1024
  50 #define SPIDER_NET_FIRMWARE_LEN         (SPIDER_NET_FIRMWARE_SEQS * \
  51                                          SPIDER_NET_FIRMWARE_SEQWORDS * \
  52                                          sizeof(u32))
  53 #define SPIDER_NET_FIRMWARE_NAME        "/*(DEBLOBBED)*/"
  54
  55 /** spider_net SMMIO registers */
  56 #define SPIDER_NET_GHIINT0STS           0x00000000
  57 #define SPIDER_NET_GHIINT1STS           0x00000004
  58 #define SPIDER_NET_GHIINT2STS           0x00000008
  59 #define SPIDER_NET_GHIINT0MSK           0x00000010
  60 #define SPIDER_NET_GHIINT1MSK           0x00000014
  61 #define SPIDER_NET_GHIINT2MSK           0x00000018
  62
  63 #define SPIDER_NET_GRESUMINTNUM         0x00000020
  64 #define SPIDER_NET_GREINTNUM            0x00000024
  65
  66 #define SPIDER_NET_GFFRMNUM             0x00000028
  67 #define SPIDER_NET_GFAFRMNUM            0x0000002c
  68 #define SPIDER_NET_GFBFRMNUM            0x00000030
  69 #define SPIDER_NET_GFCFRMNUM            0x00000034
  70 #define SPIDER_NET_GFDFRMNUM            0x00000038
  71
  72 /* clear them (don't use it) */
  73 #define SPIDER_NET_GFREECNNUM           0x0000003c
  74 #define SPIDER_NET_GONETIMENUM          0x00000040
  75
  76 #define SPIDER_NET_GTOUTFRMNUM          0x00000044
  77
  78 #define SPIDER_NET_GTXMDSET             0x00000050
  79 #define SPIDER_NET_GPCCTRL              0x00000054
  80 #define SPIDER_NET_GRXMDSET             0x00000058
  81 #define SPIDER_NET_GIPSECINIT           0x0000005c
  82 #define SPIDER_NET_GFTRESTRT            0x00000060
  83 #define SPIDER_NET_GRXDMAEN             0x00000064
  84 #define SPIDER_NET_GMRWOLCTRL           0x00000068
  85 #define SPIDER_NET_GPCWOPCMD            0x0000006c
  86 #define SPIDER_NET_GPCROPCMD            0x00000070
  87 #define SPIDER_NET_GTTFRMCNT            0x00000078
  88 #define SPIDER_NET_GTESTMD              0x0000007c
  89
  90 #define SPIDER_NET_GSINIT               0x00000080
  91 #define SPIDER_NET_GSnPRGADR            0x00000084
  92 #define SPIDER_NET_GSnPRGDAT            0x00000088
  93
  94 #define SPIDER_NET_GMACOPEMD            0x00000100
  95 #define SPIDER_NET_GMACLENLMT           0x00000108
  96 #define SPIDER_NET_GMACST               0x00000110
  97 #define SPIDER_NET_GMACINTEN            0x00000118
  98 #define SPIDER_NET_GMACPHYCTRL          0x00000120
  99
 100 #define SPIDER_NET_GMACAPAUSE           0x00000154
 101 #define SPIDER_NET_GMACTXPAUSE          0x00000164
 102
 103 #define SPIDER_NET_GMACMODE             0x000001b0
 104 #define SPIDER_NET_GMACBSTLMT           0x000001b4
 105
 106 #define SPIDER_NET_GMACUNIMACU          0x000001c0
 107 #define SPIDER_NET_GMACUNIMACL          0x000001c8
 108
 109 #define SPIDER_NET_GMRMHFILnR           0x00000400
 110 #define SPIDER_NET_MULTICAST_HASHES     256
 111
 112 #define SPIDER_NET_GMRUAFILnR           0x00000500
 113 #define SPIDER_NET_GMRUA0FIL15R         0x00000578
 114
 115 #define SPIDER_NET_GTTQMSK              0x00000934
 116
 117 /* RX DMA controller registers, all 0x00000a.. are for DMA controller A,
 118  * 0x00000b.. for DMA controller B, etc. */
 119 #define SPIDER_NET_GDADCHA              0x00000a00
 120 #define SPIDER_NET_GDADMACCNTR          0x00000a04
 121 #define SPIDER_NET_GDACTDPA             0x00000a08
 122 #define SPIDER_NET_GDACTDCNT            0x00000a0c
 123 #define SPIDER_NET_GDACDBADDR           0x00000a20
 124 #define SPIDER_NET_GDACDBSIZE           0x00000a24
 125 #define SPIDER_NET_GDACNEXTDA           0x00000a28
 126 #define SPIDER_NET_GDACCOMST            0x00000a2c
 127 #define SPIDER_NET_GDAWBCOMST           0x00000a30
 128 #define SPIDER_NET_GDAWBRSIZE           0x00000a34
 129 #define SPIDER_NET_GDAWBVSIZE           0x00000a38
 130 #define SPIDER_NET_GDAWBTRST            0x00000a3c
 131 #define SPIDER_NET_GDAWBTRERR           0x00000a40
 132
 133 /* TX DMA controller registers */
 134 #define SPIDER_NET_GDTDCHA              0x00000e00
 135 #define SPIDER_NET_GDTDMACCNTR          0x00000e04
 136 #define SPIDER_NET_GDTCDPA              0x00000e08
 137 #define SPIDER_NET_GDTDMASEL            0x00000e14
 138
 139 #define SPIDER_NET_ECMODE               0x00000f00
 140 /* clock and reset control register */
 141 #define SPIDER_NET_CKRCTRL              0x00000ff0
 142
 143 /** SCONFIG registers */
 144 #define SPIDER_NET_SCONFIG_IOACTE       0x00002810
 145
 146 /** interrupt mask registers */
 147 #define SPIDER_NET_INT0_MASK_VALUE      0x3f7fe2c7
 148 #define SPIDER_NET_INT1_MASK_VALUE      0x0000fff2
 149 #define SPIDER_NET_INT2_MASK_VALUE      0x000003f1
 150
 151 /* we rely on flagged descriptor interrupts */
 152 #define SPIDER_NET_FRAMENUM_VALUE       0x00000000
 153 /* set this first, then the FRAMENUM_VALUE */
 154 #define SPIDER_NET_GFXFRAMES_VALUE      0x00000000
 155
 156 #define SPIDER_NET_STOP_SEQ_VALUE       0x00000000
 157 #define SPIDER_NET_RUN_SEQ_VALUE        0x0000007e
 158
 159 #define SPIDER_NET_PHY_CTRL_VALUE       0x00040040
 160 /* #define SPIDER_NET_PHY_CTRL_VALUE    0x01070080*/
 161 #define SPIDER_NET_RXMODE_VALUE         0x00000011
 162 /* auto retransmission in case of MAC aborts */
 163 #define SPIDER_NET_TXMODE_VALUE         0x00010000
 164 #define SPIDER_NET_RESTART_VALUE        0x00000000
 165 #define SPIDER_NET_WOL_VALUE            0x00001111
 166 #if 0
 167 #define SPIDER_NET_WOL_VALUE            0x00000000
 168 #endif
 169 #define SPIDER_NET_IPSECINIT_VALUE      0x6f716f71
 170
 171 /* pause frames: automatic, no upper retransmission count */
 172 /* outside loopback mode: ETOMOD signal dont matter, not connected */
 173 /* ETOMOD signal is brought to PHY reset. bit 2 must be 1 in Celleb */
 174 #define SPIDER_NET_OPMODE_VALUE         0x00000067
 175 /*#define SPIDER_NET_OPMODE_VALUE               0x001b0062*/
 176 #define SPIDER_NET_LENLMT_VALUE         0x00000908
 177
 178 #define SPIDER_NET_MACAPAUSE_VALUE      0x00000800 /* about 1 ms */
 179 #define SPIDER_NET_TXPAUSE_VALUE        0x00000000
 180
 181 #define SPIDER_NET_MACMODE_VALUE        0x00000001
 182 #define SPIDER_NET_BURSTLMT_VALUE       0x00000200 /* about 16 us */
 183
 184 /* DMAC control register GDMACCNTR
 185  *
 186  * 1(0)                         enable r/tx dma
 187  *  0000000                             fixed to 0
 188  *
 189  *         000000                       fixed to 0
 190  *               0(1)                   en/disable descr writeback on force end
 191  *                0(1)                  force end
 192  *
 193  *                 000000               fixed to 0
 194  *                       00             burst alignment: 128 bytes
 195  *                       11             burst alignment: 1024 bytes
 196  *
 197  *                         00000        fixed to 0
 198  *                              0       descr writeback size 32 bytes
 199  *                               0(1)   descr chain end interrupt enable
 200  *                                0(1)  descr status writeback enable */
 201
 202 /* to set RX_DMA_EN */
 203 #define SPIDER_NET_DMA_RX_VALUE         0x80000000
 204 #define SPIDER_NET_DMA_RX_FEND_VALUE    0x00030003
 205 /* to set TX_DMA_EN */
 206 #define SPIDER_NET_TX_DMA_EN           0x80000000
 207 #define SPIDER_NET_GDTBSTA             0x00000300
 208 #define SPIDER_NET_GDTDCEIDIS          0x00000002
 209 #define SPIDER_NET_DMA_TX_VALUE        SPIDER_NET_TX_DMA_EN | \
 210                                        SPIDER_NET_GDTDCEIDIS | \
 211                                        SPIDER_NET_GDTBSTA
 212
 213 #define SPIDER_NET_DMA_TX_FEND_VALUE    0x00030003
 214
 215 /* SPIDER_NET_UA_DESCR_VALUE is OR'ed with the unicast address */
 216 #define SPIDER_NET_UA_DESCR_VALUE       0x00080000
 217 #define SPIDER_NET_PROMISC_VALUE        0x00080000
 218 #define SPIDER_NET_NONPROMISC_VALUE     0x00000000
 219
 220 #define SPIDER_NET_DMASEL_VALUE         0x00000001
 221
 222 #define SPIDER_NET_ECMODE_VALUE         0x00000000
 223
 224 #define SPIDER_NET_CKRCTRL_RUN_VALUE    0x1fff010f
 225 #define SPIDER_NET_CKRCTRL_STOP_VALUE   0x0000010f
 226
 227 #define SPIDER_NET_SBIMSTATE_VALUE      0x00000000
 228 #define SPIDER_NET_SBTMSTATE_VALUE      0x00000000
 229
 230 /* SPIDER_NET_GHIINT0STS bits, in reverse order so that they can be used
 231  * with 1 << SPIDER_NET_... */
 232 enum spider_net_int0_status {
 233         SPIDER_NET_GPHYINT = 0,
 234         SPIDER_NET_GMAC2INT,
 235         SPIDER_NET_GMAC1INT,
 236         SPIDER_NET_GIPSINT,
 237         SPIDER_NET_GFIFOINT,
 238         SPIDER_NET_GDMACINT,
 239         SPIDER_NET_GSYSINT,
 240         SPIDER_NET_GPWOPCMPINT,
 241         SPIDER_NET_GPROPCMPINT,
 242         SPIDER_NET_GPWFFINT,
 243         SPIDER_NET_GRMDADRINT,
 244         SPIDER_NET_GRMARPINT,
 245         SPIDER_NET_GRMMPINT,
 246         SPIDER_NET_GDTDEN0INT,
 247         SPIDER_NET_GDDDEN0INT,
 248         SPIDER_NET_GDCDEN0INT,
 249         SPIDER_NET_GDBDEN0INT,
 250         SPIDER_NET_GDADEN0INT,
 251         SPIDER_NET_GDTFDCINT,
 252         SPIDER_NET_GDDFDCINT,
 253         SPIDER_NET_GDCFDCINT,
 254         SPIDER_NET_GDBFDCINT,
 255         SPIDER_NET_GDAFDCINT,
 256         SPIDER_NET_GTTEDINT,
 257         SPIDER_NET_GDTDCEINT,
 258         SPIDER_NET_GRFDNMINT,
 259         SPIDER_NET_GRFCNMINT,
 260         SPIDER_NET_GRFBNMINT,
 261         SPIDER_NET_GRFANMINT,
 262         SPIDER_NET_GRFNMINT,
 263         SPIDER_NET_G1TMCNTINT,
 264         SPIDER_NET_GFREECNTINT
 265 };
 266 /* GHIINT1STS bits */
 267 enum spider_net_int1_status {
 268         SPIDER_NET_GTMFLLINT = 0,
 269         SPIDER_NET_GRMFLLINT,
 270         SPIDER_NET_GTMSHTINT,
 271         SPIDER_NET_GDTINVDINT,
 272         SPIDER_NET_GRFDFLLINT,
 273         SPIDER_NET_GDDDCEINT,
 274         SPIDER_NET_GDDINVDINT,
 275         SPIDER_NET_GRFCFLLINT,
 276         SPIDER_NET_GDCDCEINT,
 277         SPIDER_NET_GDCINVDINT,
 278         SPIDER_NET_GRFBFLLINT,
 279         SPIDER_NET_GDBDCEINT,
 280         SPIDER_NET_GDBINVDINT,
 281         SPIDER_NET_GRFAFLLINT,
 282         SPIDER_NET_GDADCEINT,
 283         SPIDER_NET_GDAINVDINT,
 284         SPIDER_NET_GDTRSERINT,
 285         SPIDER_NET_GDDRSERINT,
 286         SPIDER_NET_GDCRSERINT,
 287         SPIDER_NET_GDBRSERINT,
 288         SPIDER_NET_GDARSERINT,
 289         SPIDER_NET_GDSERINT,
 290         SPIDER_NET_GDTPTERINT,
 291         SPIDER_NET_GDDPTERINT,
 292         SPIDER_NET_GDCPTERINT,
 293         SPIDER_NET_GDBPTERINT,
 294         SPIDER_NET_GDAPTERINT
 295 };
 296 /* GHIINT2STS bits */
 297 enum spider_net_int2_status {
 298         SPIDER_NET_GPROPERINT = 0,
 299         SPIDER_NET_GMCTCRSNGINT,
 300         SPIDER_NET_GMCTLCOLINT,
 301         SPIDER_NET_GMCTTMOTINT,
 302         SPIDER_NET_GMCRCAERINT,
 303         SPIDER_NET_GMCRCALERINT,
 304         SPIDER_NET_GMCRALNERINT,
 305         SPIDER_NET_GMCROVRINT,
 306         SPIDER_NET_GMCRRNTINT,
 307         SPIDER_NET_GMCRRXERINT,
 308         SPIDER_NET_GTITCSERINT,
 309         SPIDER_NET_GTIFMTERINT,
 310         SPIDER_NET_GTIPKTRVKINT,
 311         SPIDER_NET_GTISPINGINT,
 312         SPIDER_NET_GTISADNGINT,
 313         SPIDER_NET_GTISPDNGINT,
 314         SPIDER_NET_GRIFMTERINT,
 315         SPIDER_NET_GRIPKTRVKINT,
 316         SPIDER_NET_GRISPINGINT,
 317         SPIDER_NET_GRISADNGINT,
 318         SPIDER_NET_GRISPDNGINT
 319 };
 320
 321 #define SPIDER_NET_TXINT        (1 << SPIDER_NET_GDTFDCINT)
 322
 323 /* We rely on flagged descriptor interrupts */
 324 #define SPIDER_NET_RXINT        ( (1 << SPIDER_NET_GDAFDCINT) )
 325
 326 #define SPIDER_NET_LINKINT      ( 1 << SPIDER_NET_GMAC2INT )
 327
 328 #define SPIDER_NET_ERRINT       ( 0xffffffff & \
 329                                   (~SPIDER_NET_TXINT) & \
 330                                   (~SPIDER_NET_RXINT) & \
 331                                   (~SPIDER_NET_LINKINT) )
 332
 333 #define SPIDER_NET_GPREXEC                      0x80000000
 334 #define SPIDER_NET_GPRDAT_MASK                  0x0000ffff
 335
 336 #define SPIDER_NET_DMAC_NOINTR_COMPLETE         0x00800000
 337 #define SPIDER_NET_DMAC_TXFRMTL         0x00040000
 338 #define SPIDER_NET_DMAC_TCP                     0x00020000
 339 #define SPIDER_NET_DMAC_UDP                     0x00030000
 340 #define SPIDER_NET_TXDCEST                      0x08000000
 341
 342 #define SPIDER_NET_DESCR_RXFDIS        0x00000001
 343 #define SPIDER_NET_DESCR_RXDCEIS       0x00000002
 344 #define SPIDER_NET_DESCR_RXDEN0IS      0x00000004
 345 #define SPIDER_NET_DESCR_RXINVDIS      0x00000008
 346 #define SPIDER_NET_DESCR_RXRERRIS      0x00000010
 347 #define SPIDER_NET_DESCR_RXFDCIMS      0x00000100
 348 #define SPIDER_NET_DESCR_RXDCEIMS      0x00000200
 349 #define SPIDER_NET_DESCR_RXDEN0IMS     0x00000400
 350 #define SPIDER_NET_DESCR_RXINVDIMS     0x00000800
 351 #define SPIDER_NET_DESCR_RXRERRMIS     0x00001000
 352 #define SPIDER_NET_DESCR_UNUSED        0x077fe0e0
 353
 354 #define SPIDER_NET_DESCR_IND_PROC_MASK          0xF0000000
 355 #define SPIDER_NET_DESCR_COMPLETE               0x00000000 /* used in rx and tx */
 356 #define SPIDER_NET_DESCR_RESPONSE_ERROR         0x10000000 /* used in rx and tx */
 357 #define SPIDER_NET_DESCR_PROTECTION_ERROR       0x20000000 /* used in rx and tx */
 358 #define SPIDER_NET_DESCR_FRAME_END              0x40000000 /* used in rx */
 359 #define SPIDER_NET_DESCR_FORCE_END              0x50000000 /* used in rx and tx */
 360 #define SPIDER_NET_DESCR_CARDOWNED              0xA0000000 /* used in rx and tx */
 361 #define SPIDER_NET_DESCR_NOT_IN_USE             0xF0000000
 362 #define SPIDER_NET_DESCR_TXDESFLG               0x00800000
 363
 364 #define SPIDER_NET_DESCR_BAD_STATUS   (SPIDER_NET_DESCR_RXDEN0IS | \
 365                                        SPIDER_NET_DESCR_RXRERRIS | \
 366                                        SPIDER_NET_DESCR_RXDEN0IMS | \
 367                                        SPIDER_NET_DESCR_RXINVDIMS | \
 368                                        SPIDER_NET_DESCR_RXRERRMIS | \
 369                                        SPIDER_NET_DESCR_UNUSED)
 370
 371 /* Descriptor, as defined by the hardware */
 372 struct spider_net_hw_descr {
 373         u32 buf_addr;
 374         u32 buf_size;
 375         u32 next_descr_addr;
 376         u32 dmac_cmd_status;
 377         u32 result_size;
 378         u32 valid_size; /* all zeroes for tx */
 379         u32 data_status;
 380         u32 data_error; /* all zeroes for tx */
 381 } __attribute__((aligned(32)));
 382
 383 struct spider_net_descr {
 384         struct spider_net_hw_descr *hwdescr;
 385         struct sk_buff *skb;
 386         u32 bus_addr;
 387         struct spider_net_descr *next;
 388         struct spider_net_descr *prev;
 389 };
 390
 391 struct spider_net_descr_chain {
 392         spinlock_t lock;
 393         struct spider_net_descr *head;
 394         struct spider_net_descr *tail;
 395         struct spider_net_descr *ring;
 396         int num_desc;
 397         struct spider_net_hw_descr *hwring;
 398         dma_addr_t dma_addr;
 399 };
 400
 401 /* descriptor data_status bits */
 402 #define SPIDER_NET_RX_IPCHK             29
 403 #define SPIDER_NET_RX_TCPCHK            28
 404 #define SPIDER_NET_VLAN_PACKET          21
 405 #define SPIDER_NET_DATA_STATUS_CKSUM_MASK ( (1 << SPIDER_NET_RX_IPCHK) | \
 406                                           (1 << SPIDER_NET_RX_TCPCHK) )
 407
 408 /* descriptor data_error bits */
 409 #define SPIDER_NET_RX_IPCHKERR          27
 410 #define SPIDER_NET_RX_RXTCPCHKERR       28
 411
 412 #define SPIDER_NET_DATA_ERR_CKSUM_MASK  (1 << SPIDER_NET_RX_IPCHKERR)
 413
 414 /* the cases we don't pass the packet to the stack.
 415  * 701b8000 would be correct, but every packets gets that flag */
 416 #define SPIDER_NET_DESTROY_RX_FLAGS     0x700b8000
 417
 418 #define SPIDER_NET_DEFAULT_MSG          ( NETIF_MSG_DRV | \
 419                                           NETIF_MSG_PROBE | \
 420                                           NETIF_MSG_LINK | \
 421                                           NETIF_MSG_TIMER | \
 422                                           NETIF_MSG_IFDOWN | \
 423                                           NETIF_MSG_IFUP | \
 424                                           NETIF_MSG_RX_ERR | \
 425                                           NETIF_MSG_TX_ERR | \
 426                                           NETIF_MSG_TX_QUEUED | \
 427                                           NETIF_MSG_INTR | \
 428                                           NETIF_MSG_TX_DONE | \
 429                                           NETIF_MSG_RX_STATUS | \
 430                                           NETIF_MSG_PKTDATA | \
 431                                           NETIF_MSG_HW | \
 432                                           NETIF_MSG_WOL )
 433
 434 struct spider_net_extra_stats {
 435         unsigned long rx_desc_error;
 436         unsigned long tx_timeouts;
 437         unsigned long alloc_rx_skb_error;
 438         unsigned long rx_iommu_map_error;
 439         unsigned long tx_iommu_map_error;
 440         unsigned long rx_desc_unk_state;
 441 };
 442
 443 struct spider_net_card {
 444         struct net_device *netdev;
 445         struct pci_dev *pdev;
 446         struct mii_phy phy;
 447
 448         struct napi_struct napi;
 449
 450         int medium;
 451
 452         void __iomem *regs;
 453
 454         struct spider_net_descr_chain tx_chain;
 455         struct spider_net_descr_chain rx_chain;
 456         struct spider_net_descr *low_watermark;
 457
 458         int aneg_count;
 459         struct timer_list aneg_timer;
 460         struct timer_list tx_timer;
 461         struct work_struct tx_timeout_task;
 462         atomic_t tx_timeout_task_counter;
 463         wait_queue_head_t waitq;
 464         int num_rx_ints;
 465         int ignore_rx_ramfull;
 466
 467         /* for ethtool */
 468         int msg_enable;
 469         struct spider_net_extra_stats spider_stats;
 470
 471         /* Must be last item in struct */
 472         struct spider_net_descr darray[];
 473 };
 474
 475 #endif