git.oblomov.eu Git - linux-2.6/blob - drivers/net/ucc_geth.h

   1 /*
   2  * Copyright (C) Freescale Semicondutor, Inc. 2006. All rights reserved.
   3  *
   4  * Author: Shlomi Gridish <gridish@freescale.com>
   5  *
   6  * Description:
   7  * Internal header file for UCC Gigabit Ethernet unit routines.
   8  *
   9  * Changelog:
  10  * Jun 28, 2006 Li Yang <LeoLi@freescale.com>
  11  * - Rearrange code and style fixes
  12  *
  13  * This program is free software; you can redistribute  it and/or modify it
  14  * under  the terms of  the GNU General  Public License as published by the
  15  * Free Software Foundation;  either version 2 of the  License, or (at your
  16  * option) any later version.
  17  */
  18 #ifndef __UCC_GETH_H__
  19 #define __UCC_GETH_H__
  20
  21 #include <linux/kernel.h>
  22 #include <linux/list.h>
  23
  24 #include <asm/immap_qe.h>
  25 #include <asm/qe.h>
  26
  27 #include <asm/ucc.h>
  28 #include <asm/ucc_fast.h>
  29
  30 #define DRV_DESC "QE UCC Gigabit Ethernet Controller"
  31 #define DRV_NAME "ucc_geth"
  32 #define DRV_VERSION "1.1"
  33
  34 #define NUM_TX_QUEUES                   8
  35 #define NUM_RX_QUEUES                   8
  36 #define NUM_BDS_IN_PREFETCHED_BDS       4
  37 #define TX_IP_OFFSET_ENTRY_MAX          8
  38 #define NUM_OF_PADDRS                   4
  39 #define ENET_INIT_PARAM_MAX_ENTRIES_RX  9
  40 #define ENET_INIT_PARAM_MAX_ENTRIES_TX  8
  41
  42 struct ucc_geth {
  43         struct ucc_fast uccf;
  44         u8 res0[0x100 - sizeof(struct ucc_fast)];
  45
  46         u32 maccfg1;            /* mac configuration reg. 1 */
  47         u32 maccfg2;            /* mac configuration reg. 2 */
  48         u32 ipgifg;             /* interframe gap reg.  */
  49         u32 hafdup;             /* half-duplex reg.  */
  50         u8 res1[0x10];
  51         u8 miimng[0x18];        /* MII management structure moved to _mii.h */
  52         u32 ifctl;              /* interface control reg */
  53         u32 ifstat;             /* interface statux reg */
  54         u32 macstnaddr1;        /* mac station address part 1 reg */
  55         u32 macstnaddr2;        /* mac station address part 2 reg */
  56         u8 res2[0x8];
  57         u32 uempr;              /* UCC Ethernet Mac parameter reg */
  58         u32 utbipar;            /* UCC tbi address reg */
  59         u16 uescr;              /* UCC Ethernet statistics control reg */
  60         u8 res3[0x180 - 0x15A];
  61         u32 tx64;               /* Total number of frames (including bad
  62                                    frames) transmitted that were exactly of the
  63                                    minimal length (64 for un tagged, 68 for
  64                                    tagged, or with length exactly equal to the
  65                                    parameter MINLength */
  66         u32 tx127;              /* Total number of frames (including bad
  67                                    frames) transmitted that were between
  68                                    MINLength (Including FCS length==4) and 127
  69                                    octets */
  70         u32 tx255;              /* Total number of frames (including bad
  71                                    frames) transmitted that were between 128
  72                                    (Including FCS length==4) and 255 octets */
  73         u32 rx64;               /* Total number of frames received including
  74                                    bad frames that were exactly of the mninimal
  75                                    length (64 bytes) */
  76         u32 rx127;              /* Total number of frames (including bad
  77                                    frames) received that were between MINLength
  78                                    (Including FCS length==4) and 127 octets */
  79         u32 rx255;              /* Total number of frames (including bad
  80                                    frames) received that were between 128
  81                                    (Including FCS length==4) and 255 octets */
  82         u32 txok;               /* Total number of octets residing in frames
  83                                    that where involved in succesfull
  84                                    transmission */
  85         u16 txcf;               /* Total number of PAUSE control frames
  86                                    transmitted by this MAC */
  87         u8 res4[0x2];
  88         u32 tmca;               /* Total number of frames that were transmitted
  89                                    succesfully with the group address bit set
  90                                    that are not broadcast frames */
  91         u32 tbca;               /* Total number of frames transmitted
  92                                    succesfully that had destination address
  93                                    field equal to the broadcast address */
  94         u32 rxfok;              /* Total number of frames received OK */
  95         u32 rxbok;              /* Total number of octets received OK */
  96         u32 rbyt;               /* Total number of octets received including
  97                                    octets in bad frames. Must be implemented in
  98                                    HW because it includes octets in frames that
  99                                    never even reach the UCC */
 100         u32 rmca;               /* Total number of frames that were received
 101                                    succesfully with the group address bit set
 102                                    that are not broadcast frames */
 103         u32 rbca;               /* Total number of frames received succesfully
 104                                    that had destination address equal to the
 105                                    broadcast address */
 106         u32 scar;               /* Statistics carry register */
 107         u32 scam;               /* Statistics caryy mask register */
 108         u8 res5[0x200 - 0x1c4];
 109 } __attribute__ ((packed));
 110
 111 /* UCC GETH TEMODR Register */
 112 #define TEMODER_TX_RMON_STATISTICS_ENABLE       0x0100  /* enable Tx statistics
 113                                                          */
 114 #define TEMODER_SCHEDULER_ENABLE                0x2000  /* enable scheduler */
 115 #define TEMODER_IP_CHECKSUM_GENERATE            0x0400  /* generate IPv4
 116                                                            checksums */
 117 #define TEMODER_PERFORMANCE_OPTIMIZATION_MODE1  0x0200  /* enable performance
 118                                                            optimization
 119                                                            enhancement (mode1) */
 120 #define TEMODER_RMON_STATISTICS                 0x0100  /* enable tx statistics
 121                                                          */
 122 #define TEMODER_NUM_OF_QUEUES_SHIFT             (15-15) /* Number of queues <<
 123                                                            shift */
 124
 125 /* UCC GETH TEMODR Register */
 126 #define REMODER_RX_RMON_STATISTICS_ENABLE       0x00001000      /* enable Rx
 127                                                                    statistics */
 128 #define REMODER_RX_EXTENDED_FEATURES            0x80000000      /* enable
 129                                                                    extended
 130                                                                    features */
 131 #define REMODER_VLAN_OPERATION_TAGGED_SHIFT     (31-9 ) /* vlan operation
 132                                                            tagged << shift */
 133 #define REMODER_VLAN_OPERATION_NON_TAGGED_SHIFT (31-10) /* vlan operation non
 134                                                            tagged << shift */
 135 #define REMODER_RX_QOS_MODE_SHIFT               (31-15) /* rx QoS mode << shift
 136                                                          */
 137 #define REMODER_RMON_STATISTICS                 0x00001000      /* enable rx
 138                                                                    statistics */
 139 #define REMODER_RX_EXTENDED_FILTERING           0x00000800      /* extended
 140                                                                    filtering
 141                                                                    vs.
 142                                                                    mpc82xx-like
 143                                                                    filtering */
 144 #define REMODER_NUM_OF_QUEUES_SHIFT             (31-23) /* Number of queues <<
 145                                                            shift */
 146 #define REMODER_DYNAMIC_MAX_FRAME_LENGTH        0x00000008      /* enable
 147                                                                    dynamic max
 148                                                                    frame length
 149                                                                  */
 150 #define REMODER_DYNAMIC_MIN_FRAME_LENGTH        0x00000004      /* enable
 151                                                                    dynamic min
 152                                                                    frame length
 153                                                                  */
 154 #define REMODER_IP_CHECKSUM_CHECK               0x00000002      /* check IPv4
 155                                                                    checksums */
 156 #define REMODER_IP_ADDRESS_ALIGNMENT            0x00000001      /* align ip
 157                                                                    address to
 158                                                                    4-byte
 159                                                                    boundary */
 160
 161 /* UCC GETH Event Register */
 162 #define UCCE_TXB   (UCC_GETH_UCCE_TXB7 | UCC_GETH_UCCE_TXB6 | \
 163                     UCC_GETH_UCCE_TXB5 | UCC_GETH_UCCE_TXB4 | \
 164                     UCC_GETH_UCCE_TXB3 | UCC_GETH_UCCE_TXB2 | \
 165                     UCC_GETH_UCCE_TXB1 | UCC_GETH_UCCE_TXB0)
 166
 167 #define UCCE_RXB   (UCC_GETH_UCCE_RXB7 | UCC_GETH_UCCE_RXB6 | \
 168                     UCC_GETH_UCCE_RXB5 | UCC_GETH_UCCE_RXB4 | \
 169                     UCC_GETH_UCCE_RXB3 | UCC_GETH_UCCE_RXB2 | \
 170                     UCC_GETH_UCCE_RXB1 | UCC_GETH_UCCE_RXB0)
 171
 172 #define UCCE_RXF   (UCC_GETH_UCCE_RXF7 | UCC_GETH_UCCE_RXF6 | \
 173                     UCC_GETH_UCCE_RXF5 | UCC_GETH_UCCE_RXF4 | \
 174                     UCC_GETH_UCCE_RXF3 | UCC_GETH_UCCE_RXF2 | \
 175                     UCC_GETH_UCCE_RXF1 | UCC_GETH_UCCE_RXF0)
 176
 177 #define UCCE_OTHER (UCC_GETH_UCCE_SCAR | UCC_GETH_UCCE_GRA | \
 178                     UCC_GETH_UCCE_CBPR | UCC_GETH_UCCE_BSY | \
 179                     UCC_GETH_UCCE_RXC  | UCC_GETH_UCCE_TXC | UCC_GETH_UCCE_TXE)
 180
 181 #define UCCE_RX_EVENTS  (UCCE_RXF | UCC_GETH_UCCE_BSY)
 182 #define UCCE_TX_EVENTS  (UCCE_TXB | UCC_GETH_UCCE_TXE)
 183
 184 /* TBI defines */
 185 #define ENET_TBI_MII_CR         0x00    /* Control */
 186 #define ENET_TBI_MII_SR         0x01    /* Status */
 187 #define ENET_TBI_MII_ANA        0x04    /* AN advertisement */
 188 #define ENET_TBI_MII_ANLPBPA    0x05    /* AN link partner base page ability */
 189 #define ENET_TBI_MII_ANEX       0x06    /* AN expansion */
 190 #define ENET_TBI_MII_ANNPT      0x07    /* AN next page transmit */
 191 #define ENET_TBI_MII_ANLPANP    0x08    /* AN link partner ability next page */
 192 #define ENET_TBI_MII_EXST       0x0F    /* Extended status */
 193 #define ENET_TBI_MII_JD         0x10    /* Jitter diagnostics */
 194 #define ENET_TBI_MII_TBICON     0x11    /* TBI control */
 195
 196 /* UCC GETH MACCFG1 (MAC Configuration 1 Register) */
 197 #define MACCFG1_FLOW_RX                         0x00000020      /* Flow Control
 198                                                                    Rx */
 199 #define MACCFG1_FLOW_TX                         0x00000010      /* Flow Control
 200                                                                    Tx */
 201 #define MACCFG1_ENABLE_SYNCHED_RX               0x00000008      /* Rx Enable
 202                                                                    synchronized
 203                                                                    to Rx stream
 204                                                                  */
 205 #define MACCFG1_ENABLE_RX                       0x00000004      /* Enable Rx */
 206 #define MACCFG1_ENABLE_SYNCHED_TX               0x00000002      /* Tx Enable
 207                                                                    synchronized
 208                                                                    to Tx stream
 209                                                                  */
 210 #define MACCFG1_ENABLE_TX                       0x00000001      /* Enable Tx */
 211
 212 /* UCC GETH MACCFG2 (MAC Configuration 2 Register) */
 213 #define MACCFG2_PREL_SHIFT                      (31 - 19)       /* Preamble
 214                                                                    Length <<
 215                                                                    shift */
 216 #define MACCFG2_PREL_MASK                       0x0000f000      /* Preamble
 217                                                                    Length mask */
 218 #define MACCFG2_SRP                             0x00000080      /* Soft Receive
 219                                                                    Preamble */
 220 #define MACCFG2_STP                             0x00000040      /* Soft
 221                                                                    Transmit
 222                                                                    Preamble */
 223 #define MACCFG2_RESERVED_1                      0x00000020      /* Reserved -
 224                                                                    must be set
 225                                                                    to 1 */
 226 #define MACCFG2_LC                              0x00000010      /* Length Check
 227                                                                  */
 228 #define MACCFG2_MPE                             0x00000008      /* Magic packet
 229                                                                    detect */
 230 #define MACCFG2_FDX                             0x00000001      /* Full Duplex */
 231 #define MACCFG2_FDX_MASK                        0x00000001      /* Full Duplex
 232                                                                    mask */
 233 #define MACCFG2_PAD_CRC                         0x00000004
 234 #define MACCFG2_CRC_EN                          0x00000002
 235 #define MACCFG2_PAD_AND_CRC_MODE_NONE           0x00000000      /* Neither
 236                                                                    Padding
 237                                                                    short frames
 238                                                                    nor CRC */
 239 #define MACCFG2_PAD_AND_CRC_MODE_CRC_ONLY       0x00000002      /* Append CRC
 240                                                                    only */
 241 #define MACCFG2_PAD_AND_CRC_MODE_PAD_AND_CRC    0x00000004
 242 #define MACCFG2_INTERFACE_MODE_NIBBLE           0x00000100      /* nibble mode
 243                                                                    (MII/RMII/RGMII
 244                                                                    10/100bps) */
 245 #define MACCFG2_INTERFACE_MODE_BYTE             0x00000200      /* byte mode
 246                                                                    (GMII/TBI/RTB/RGMII
 247                                                                    1000bps ) */
 248 #define MACCFG2_INTERFACE_MODE_MASK             0x00000300      /* mask
 249                                                                    covering all
 250                                                                    relevant
 251                                                                    bits */
 252
 253 /* UCC GETH IPGIFG (Inter-frame Gap / Inter-Frame Gap Register) */
 254 #define IPGIFG_NON_BACK_TO_BACK_IFG_PART1_SHIFT (31 -  7)       /* Non
 255                                                                    back-to-back
 256                                                                    inter frame
 257                                                                    gap part 1.
 258                                                                    << shift */
 259 #define IPGIFG_NON_BACK_TO_BACK_IFG_PART2_SHIFT (31 - 15)       /* Non
 260                                                                    back-to-back
 261                                                                    inter frame
 262                                                                    gap part 2.
 263                                                                    << shift */
 264 #define IPGIFG_MINIMUM_IFG_ENFORCEMENT_SHIFT    (31 - 23)       /* Mimimum IFG
 265                                                                    Enforcement
 266                                                                    << shift */
 267 #define IPGIFG_BACK_TO_BACK_IFG_SHIFT           (31 - 31)       /* back-to-back
 268                                                                    inter frame
 269                                                                    gap << shift
 270                                                                  */
 271 #define IPGIFG_NON_BACK_TO_BACK_IFG_PART1_MAX   127     /* Non back-to-back
 272                                                            inter frame gap part
 273                                                            1. max val */
 274 #define IPGIFG_NON_BACK_TO_BACK_IFG_PART2_MAX   127     /* Non back-to-back
 275                                                            inter frame gap part
 276                                                            2. max val */
 277 #define IPGIFG_MINIMUM_IFG_ENFORCEMENT_MAX      255     /* Mimimum IFG
 278                                                            Enforcement max val */
 279 #define IPGIFG_BACK_TO_BACK_IFG_MAX             127     /* back-to-back inter
 280                                                            frame gap max val */
 281 #define IPGIFG_NBTB_CS_IPG_MASK                 0x7F000000
 282 #define IPGIFG_NBTB_IPG_MASK                    0x007F0000
 283 #define IPGIFG_MIN_IFG_MASK                     0x0000FF00
 284 #define IPGIFG_BTB_IPG_MASK                     0x0000007F
 285
 286 /* UCC GETH HAFDUP (Half Duplex Register) */
 287 #define HALFDUP_ALT_BEB_TRUNCATION_SHIFT        (31 - 11)       /* Alternate
 288                                                                    Binary
 289                                                                    Exponential
 290                                                                    Backoff
 291                                                                    Truncation
 292                                                                    << shift */
 293 #define HALFDUP_ALT_BEB_TRUNCATION_MAX          0xf     /* Alternate Binary
 294                                                            Exponential Backoff
 295                                                            Truncation max val */
 296 #define HALFDUP_ALT_BEB                         0x00080000      /* Alternate
 297                                                                    Binary
 298                                                                    Exponential
 299                                                                    Backoff */
 300 #define HALFDUP_BACK_PRESSURE_NO_BACKOFF        0x00040000      /* Back
 301                                                                    pressure no
 302                                                                    backoff */
 303 #define HALFDUP_NO_BACKOFF                      0x00020000      /* No Backoff */
 304 #define HALFDUP_EXCESSIVE_DEFER                 0x00010000      /* Excessive
 305                                                                    Defer */
 306 #define HALFDUP_MAX_RETRANSMISSION_SHIFT        (31 - 19)       /* Maximum
 307                                                                    Retransmission
 308                                                                    << shift */
 309 #define HALFDUP_MAX_RETRANSMISSION_MAX          0xf     /* Maximum
 310                                                            Retransmission max
 311                                                            val */
 312 #define HALFDUP_COLLISION_WINDOW_SHIFT          (31 - 31)       /* Collision
 313                                                                    Window <<
 314                                                                    shift */
 315 #define HALFDUP_COLLISION_WINDOW_MAX            0x3f    /* Collision Window max
 316                                                            val */
 317 #define HALFDUP_ALT_BEB_TR_MASK                 0x00F00000
 318 #define HALFDUP_RETRANS_MASK                    0x0000F000
 319 #define HALFDUP_COL_WINDOW_MASK                 0x0000003F
 320
 321 /* UCC GETH UCCS (Ethernet Status Register) */
 322 #define UCCS_BPR                                0x02    /* Back pressure (in
 323                                                            half duplex mode) */
 324 #define UCCS_PAU                                0x02    /* Pause state (in full
 325                                                            duplex mode) */
 326 #define UCCS_MPD                                0x01    /* Magic Packet
 327                                                            Detected */
 328
 329 /* UCC GETH IFSTAT (Interface Status Register) */
 330 #define IFSTAT_EXCESS_DEFER                     0x00000200      /* Excessive
 331                                                                    transmission
 332                                                                    defer */
 333
 334 /* UCC GETH MACSTNADDR1 (Station Address Part 1 Register) */
 335 #define MACSTNADDR1_OCTET_6_SHIFT               (31 -  7)       /* Station
 336                                                                    address 6th
 337                                                                    octet <<
 338                                                                    shift */
 339 #define MACSTNADDR1_OCTET_5_SHIFT               (31 - 15)       /* Station
 340                                                                    address 5th
 341                                                                    octet <<
 342                                                                    shift */
 343 #define MACSTNADDR1_OCTET_4_SHIFT               (31 - 23)       /* Station
 344                                                                    address 4th
 345                                                                    octet <<
 346                                                                    shift */
 347 #define MACSTNADDR1_OCTET_3_SHIFT               (31 - 31)       /* Station
 348                                                                    address 3rd
 349                                                                    octet <<
 350                                                                    shift */
 351
 352 /* UCC GETH MACSTNADDR2 (Station Address Part 2 Register) */
 353 #define MACSTNADDR2_OCTET_2_SHIFT               (31 -  7)       /* Station
 354                                                                    address 2nd
 355                                                                    octet <<
 356                                                                    shift */
 357 #define MACSTNADDR2_OCTET_1_SHIFT               (31 - 15)       /* Station
 358                                                                    address 1st
 359                                                                    octet <<
 360                                                                    shift */
 361
 362 /* UCC GETH UEMPR (Ethernet Mac Parameter Register) */
 363 #define UEMPR_PAUSE_TIME_VALUE_SHIFT            (31 - 15)       /* Pause time
 364                                                                    value <<
 365                                                                    shift */
 366 #define UEMPR_EXTENDED_PAUSE_TIME_VALUE_SHIFT   (31 - 31)       /* Extended
 367                                                                    pause time
 368                                                                    value <<
 369                                                                    shift */
 370
 371 /* UCC GETH UTBIPAR (Ten Bit Interface Physical Address Register) */
 372 #define UTBIPAR_PHY_ADDRESS_SHIFT               (31 - 31)       /* Phy address
 373                                                                    << shift */
 374 #define UTBIPAR_PHY_ADDRESS_MASK                0x0000001f      /* Phy address
 375                                                                    mask */
 376
 377 /* UCC GETH UESCR (Ethernet Statistics Control Register) */
 378 #define UESCR_AUTOZ                             0x8000  /* Automatically zero
 379                                                            addressed
 380                                                            statistical counter
 381                                                            values */
 382 #define UESCR_CLRCNT                            0x4000  /* Clear all statistics
 383                                                            counters */
 384 #define UESCR_MAXCOV_SHIFT                      (15 -  7)       /* Max
 385                                                                    Coalescing
 386                                                                    Value <<
 387                                                                    shift */
 388 #define UESCR_SCOV_SHIFT                        (15 - 15)       /* Status
 389                                                                    Coalescing
 390                                                                    Value <<
 391                                                                    shift */
 392
 393 /* UCC GETH UDSR (Data Synchronization Register) */
 394 #define UDSR_MAGIC                              0x067E
 395
 396 struct ucc_geth_thread_data_tx {
 397         u8 res0[104];
 398 } __attribute__ ((packed));
 399
 400 struct ucc_geth_thread_data_rx {
 401         u8 res0[40];
 402 } __attribute__ ((packed));
 403
 404 /* Send Queue Queue-Descriptor */
 405 struct ucc_geth_send_queue_qd {
 406         u32 bd_ring_base;       /* pointer to BD ring base address */
 407         u8 res0[0x8];
 408         u32 last_bd_completed_address;/* initialize to last entry in BD ring */
 409         u8 res1[0x30];
 410 } __attribute__ ((packed));
 411
 412 struct ucc_geth_send_queue_mem_region {
 413         struct ucc_geth_send_queue_qd sqqd[NUM_TX_QUEUES];
 414 } __attribute__ ((packed));
 415
 416 struct ucc_geth_thread_tx_pram {
 417         u8 res0[64];
 418 } __attribute__ ((packed));
 419
 420 struct ucc_geth_thread_rx_pram {
 421         u8 res0[128];
 422 } __attribute__ ((packed));
 423
 424 #define THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING        64
 425 #define THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_8      64
 426 #define THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_16     96
 427
 428 struct ucc_geth_scheduler {
 429         u16 cpucount0;          /* CPU packet counter */
 430         u16 cpucount1;          /* CPU packet counter */
 431         u16 cecount0;           /* QE packet counter */
 432         u16 cecount1;           /* QE packet counter */
 433         u16 cpucount2;          /* CPU packet counter */
 434         u16 cpucount3;          /* CPU packet counter */
 435         u16 cecount2;           /* QE packet counter */
 436         u16 cecount3;           /* QE packet counter */
 437         u16 cpucount4;          /* CPU packet counter */
 438         u16 cpucount5;          /* CPU packet counter */
 439         u16 cecount4;           /* QE packet counter */
 440         u16 cecount5;           /* QE packet counter */
 441         u16 cpucount6;          /* CPU packet counter */
 442         u16 cpucount7;          /* CPU packet counter */
 443         u16 cecount6;           /* QE packet counter */
 444         u16 cecount7;           /* QE packet counter */
 445         u32 weightstatus[NUM_TX_QUEUES];        /* accumulated weight factor */
 446         u32 rtsrshadow;         /* temporary variable handled by QE */
 447         u32 time;               /* temporary variable handled by QE */
 448         u32 ttl;                /* temporary variable handled by QE */
 449         u32 mblinterval;        /* max burst length interval */
 450         u16 nortsrbytetime;     /* normalized value of byte time in tsr units */
 451         u8 fracsiz;             /* radix 2 log value of denom. of
 452                                    NorTSRByteTime */
 453         u8 res0[1];
 454         u8 strictpriorityq;     /* Strict Priority Mask register */
 455         u8 txasap;              /* Transmit ASAP register */
 456         u8 extrabw;             /* Extra BandWidth register */
 457         u8 oldwfqmask;          /* temporary variable handled by QE */
 458         u8 weightfactor[NUM_TX_QUEUES];
 459                                       /**< weight factor for queues   */
 460         u32 minw;               /* temporary variable handled by QE */
 461         u8 res1[0x70 - 0x64];
 462 } __attribute__ ((packed));
 463
 464 struct ucc_geth_tx_firmware_statistics_pram {
 465         u32 sicoltx;            /* single collision */
 466         u32 mulcoltx;           /* multiple collision */
 467         u32 latecoltxfr;        /* late collision */
 468         u32 frabortduecol;      /* frames aborted due to transmit collision */
 469         u32 frlostinmactxer;    /* frames lost due to internal MAC error
 470                                    transmission that are not counted on any
 471                                    other counter */
 472         u32 carriersenseertx;   /* carrier sense error */
 473         u32 frtxok;             /* frames transmitted OK */
 474         u32 txfrexcessivedefer; /* frames with defferal time greater than
 475                                    specified threshold */
 476         u32 txpkts256;          /* total packets (including bad) between 256
 477                                    and 511 octets */
 478         u32 txpkts512;          /* total packets (including bad) between 512
 479                                    and 1023 octets */
 480         u32 txpkts1024;         /* total packets (including bad) between 1024
 481                                    and 1518 octets */
 482         u32 txpktsjumbo;        /* total packets (including bad) between 1024
 483                                    and MAXLength octets */
 484 } __attribute__ ((packed));
 485
 486 struct ucc_geth_rx_firmware_statistics_pram {
 487         u32 frrxfcser;          /* frames with crc error */
 488         u32 fraligner;          /* frames with alignment error */
 489         u32 inrangelenrxer;     /* in range length error */
 490         u32 outrangelenrxer;    /* out of range length error */
 491         u32 frtoolong;          /* frame too long */
 492         u32 runt;               /* runt */
 493         u32 verylongevent;      /* very long event */
 494         u32 symbolerror;        /* symbol error */
 495         u32 dropbsy;            /* drop because of BD not ready */
 496         u8 res0[0x8];
 497         u32 mismatchdrop;       /* drop because of MAC filtering (e.g. address
 498                                    or type mismatch) */
 499         u32 underpkts;          /* total frames less than 64 octets */
 500         u32 pkts256;            /* total frames (including bad) between 256 and
 501                                    511 octets */
 502         u32 pkts512;            /* total frames (including bad) between 512 and
 503                                    1023 octets */
 504         u32 pkts1024;           /* total frames (including bad) between 1024
 505                                    and 1518 octets */
 506         u32 pktsjumbo;          /* total frames (including bad) between 1024
 507                                    and MAXLength octets */
 508         u32 frlossinmacer;      /* frames lost because of internal MAC error
 509                                    that is not counted in any other counter */
 510         u32 pausefr;            /* pause frames */
 511         u8 res1[0x4];
 512         u32 removevlan;         /* total frames that had their VLAN tag removed
 513                                  */
 514         u32 replacevlan;        /* total frames that had their VLAN tag
 515                                    replaced */
 516         u32 insertvlan;         /* total frames that had their VLAN tag
 517                                    inserted */
 518 } __attribute__ ((packed));
 519
 520 struct ucc_geth_rx_interrupt_coalescing_entry {
 521         u32 interruptcoalescingmaxvalue;        /* interrupt coalescing max
 522                                                    value */
 523         u32 interruptcoalescingcounter; /* interrupt coalescing counter,
 524                                            initialize to
 525                                            interruptcoalescingmaxvalue */
 526 } __attribute__ ((packed));
 527
 528 struct ucc_geth_rx_interrupt_coalescing_table {
 529         struct ucc_geth_rx_interrupt_coalescing_entry coalescingentry[NUM_RX_QUEUES];
 530                                        /**< interrupt coalescing entry */
 531 } __attribute__ ((packed));
 532
 533 struct ucc_geth_rx_prefetched_bds {
 534         struct qe_bd bd[NUM_BDS_IN_PREFETCHED_BDS];     /* prefetched bd */
 535 } __attribute__ ((packed));
 536
 537 struct ucc_geth_rx_bd_queues_entry {
 538         u32 bdbaseptr;          /* BD base pointer */
 539         u32 bdptr;              /* BD pointer */
 540         u32 externalbdbaseptr;  /* external BD base pointer */
 541         u32 externalbdptr;      /* external BD pointer */
 542 } __attribute__ ((packed));
 543
 544 struct ucc_geth_tx_global_pram {
 545         u16 temoder;
 546         u8 res0[0x38 - 0x02];
 547         u32 sqptr;              /* a base pointer to send queue memory region */
 548         u32 schedulerbasepointer;       /* a base pointer to scheduler memory
 549                                            region */
 550         u32 txrmonbaseptr;      /* base pointer to Tx RMON statistics counter */
 551         u32 tstate;             /* tx internal state. High byte contains
 552                                    function code */
 553         u8 iphoffset[TX_IP_OFFSET_ENTRY_MAX];
 554         u32 vtagtable[0x8];     /* 8 4-byte VLAN tags */
 555         u32 tqptr;              /* a base pointer to the Tx Queues Memory
 556                                    Region */
 557         u8 res2[0x80 - 0x74];
 558 } __attribute__ ((packed));
 559
 560 /* structure representing Extended Filtering Global Parameters in PRAM */
 561 struct ucc_geth_exf_global_pram {
 562         u32 l2pcdptr;           /* individual address filter, high */
 563         u8 res0[0x10 - 0x04];
 564 } __attribute__ ((packed));
 565
 566 struct ucc_geth_rx_global_pram {
 567         u32 remoder;            /* ethernet mode reg. */
 568         u32 rqptr;              /* base pointer to the Rx Queues Memory Region*/
 569         u32 res0[0x1];
 570         u8 res1[0x20 - 0xC];
 571         u16 typeorlen;          /* cutoff point less than which, type/len field
 572                                    is considered length */
 573         u8 res2[0x1];
 574         u8 rxgstpack;           /* acknowledgement on GRACEFUL STOP RX command*/
 575         u32 rxrmonbaseptr;      /* base pointer to Rx RMON statistics counter */
 576         u8 res3[0x30 - 0x28];
 577         u32 intcoalescingptr;   /* Interrupt coalescing table pointer */
 578         u8 res4[0x36 - 0x34];
 579         u8 rstate;              /* rx internal state. High byte contains
 580                                    function code */
 581         u8 res5[0x46 - 0x37];
 582         u16 mrblr;              /* max receive buffer length reg. */
 583         u32 rbdqptr;            /* base pointer to RxBD parameter table
 584                                    description */
 585         u16 mflr;               /* max frame length reg. */
 586         u16 minflr;             /* min frame length reg. */
 587         u16 maxd1;              /* max dma1 length reg. */
 588         u16 maxd2;              /* max dma2 length reg. */
 589         u32 ecamptr;            /* external CAM address */
 590         u32 l2qt;               /* VLAN priority mapping table. */
 591         u32 l3qt[0x8];          /* IP priority mapping table. */
 592         u16 vlantype;           /* vlan type */
 593         u16 vlantci;            /* default vlan tci */
 594         u8 addressfiltering[64];        /* address filtering data structure */
 595         u32 exfGlobalParam;     /* base address for extended filtering global
 596                                    parameters */
 597         u8 res6[0x100 - 0xC4];  /* Initialize to zero */
 598 } __attribute__ ((packed));
 599
 600 #define GRACEFUL_STOP_ACKNOWLEDGE_RX            0x01
 601
 602 /* structure representing InitEnet command */
 603 struct ucc_geth_init_pram {
 604         u8 resinit1;
 605         u8 resinit2;
 606         u8 resinit3;
 607         u8 resinit4;
 608         u16 resinit5;
 609         u8 res1[0x1];
 610         u8 largestexternallookupkeysize;
 611         u32 rgftgfrxglobal;
 612         u32 rxthread[ENET_INIT_PARAM_MAX_ENTRIES_RX];   /* rx threads */
 613         u8 res2[0x38 - 0x30];
 614         u32 txglobal;           /* tx global */
 615         u32 txthread[ENET_INIT_PARAM_MAX_ENTRIES_TX];   /* tx threads */
 616         u8 res3[0x1];
 617 } __attribute__ ((packed));
 618
 619 #define ENET_INIT_PARAM_RGF_SHIFT               (32 - 4)
 620 #define ENET_INIT_PARAM_TGF_SHIFT               (32 - 8)
 621
 622 #define ENET_INIT_PARAM_RISC_MASK               0x0000003f
 623 #define ENET_INIT_PARAM_PTR_MASK                0x00ffffc0
 624 #define ENET_INIT_PARAM_SNUM_MASK               0xff000000
 625 #define ENET_INIT_PARAM_SNUM_SHIFT              24
 626
 627 #define ENET_INIT_PARAM_MAGIC_RES_INIT1         0x06
 628 #define ENET_INIT_PARAM_MAGIC_RES_INIT2         0x30
 629 #define ENET_INIT_PARAM_MAGIC_RES_INIT3         0xff
 630 #define ENET_INIT_PARAM_MAGIC_RES_INIT4         0x00
 631 #define ENET_INIT_PARAM_MAGIC_RES_INIT5         0x0400
 632
 633 /* structure representing 82xx Address Filtering Enet Address in PRAM */
 634 struct ucc_geth_82xx_enet_address {
 635         u8 res1[0x2];
 636         u16 h;                  /* address (MSB) */
 637         u16 m;                  /* address */
 638         u16 l;                  /* address (LSB) */
 639 } __attribute__ ((packed));
 640
 641 /* structure representing 82xx Address Filtering PRAM */
 642 struct ucc_geth_82xx_address_filtering_pram {
 643         u32 iaddr_h;            /* individual address filter, high */
 644         u32 iaddr_l;            /* individual address filter, low */
 645         u32 gaddr_h;            /* group address filter, high */
 646         u32 gaddr_l;            /* group address filter, low */
 647         struct ucc_geth_82xx_enet_address __iomem taddr;
 648         struct ucc_geth_82xx_enet_address __iomem paddr[NUM_OF_PADDRS];
 649         u8 res0[0x40 - 0x38];
 650 } __attribute__ ((packed));
 651
 652 /* GETH Tx firmware statistics structure, used when calling
 653    UCC_GETH_GetStatistics. */
 654 struct ucc_geth_tx_firmware_statistics {
 655         u32 sicoltx;            /* single collision */
 656         u32 mulcoltx;           /* multiple collision */
 657         u32 latecoltxfr;        /* late collision */
 658         u32 frabortduecol;      /* frames aborted due to transmit collision */
 659         u32 frlostinmactxer;    /* frames lost due to internal MAC error
 660                                    transmission that are not counted on any
 661                                    other counter */
 662         u32 carriersenseertx;   /* carrier sense error */
 663         u32 frtxok;             /* frames transmitted OK */
 664         u32 txfrexcessivedefer; /* frames with defferal time greater than
 665                                    specified threshold */
 666         u32 txpkts256;          /* total packets (including bad) between 256
 667                                    and 511 octets */
 668         u32 txpkts512;          /* total packets (including bad) between 512
 669                                    and 1023 octets */
 670         u32 txpkts1024;         /* total packets (including bad) between 1024
 671                                    and 1518 octets */
 672         u32 txpktsjumbo;        /* total packets (including bad) between 1024
 673                                    and MAXLength octets */
 674 } __attribute__ ((packed));
 675
 676 /* GETH Rx firmware statistics structure, used when calling
 677    UCC_GETH_GetStatistics. */
 678 struct ucc_geth_rx_firmware_statistics {
 679         u32 frrxfcser;          /* frames with crc error */
 680         u32 fraligner;          /* frames with alignment error */
 681         u32 inrangelenrxer;     /* in range length error */
 682         u32 outrangelenrxer;    /* out of range length error */
 683         u32 frtoolong;          /* frame too long */
 684         u32 runt;               /* runt */
 685         u32 verylongevent;      /* very long event */
 686         u32 symbolerror;        /* symbol error */
 687         u32 dropbsy;            /* drop because of BD not ready */
 688         u8 res0[0x8];
 689         u32 mismatchdrop;       /* drop because of MAC filtering (e.g. address
 690                                    or type mismatch) */
 691         u32 underpkts;          /* total frames less than 64 octets */
 692         u32 pkts256;            /* total frames (including bad) between 256 and
 693                                    511 octets */
 694         u32 pkts512;            /* total frames (including bad) between 512 and
 695                                    1023 octets */
 696         u32 pkts1024;           /* total frames (including bad) between 1024
 697                                    and 1518 octets */
 698         u32 pktsjumbo;          /* total frames (including bad) between 1024
 699                                    and MAXLength octets */
 700         u32 frlossinmacer;      /* frames lost because of internal MAC error
 701                                    that is not counted in any other counter */
 702         u32 pausefr;            /* pause frames */
 703         u8 res1[0x4];
 704         u32 removevlan;         /* total frames that had their VLAN tag removed
 705                                  */
 706         u32 replacevlan;        /* total frames that had their VLAN tag
 707                                    replaced */
 708         u32 insertvlan;         /* total frames that had their VLAN tag
 709                                    inserted */
 710 } __attribute__ ((packed));
 711
 712 /* GETH hardware statistics structure, used when calling
 713    UCC_GETH_GetStatistics. */
 714 struct ucc_geth_hardware_statistics {
 715         u32 tx64;               /* Total number of frames (including bad
 716                                    frames) transmitted that were exactly of the
 717                                    minimal length (64 for un tagged, 68 for
 718                                    tagged, or with length exactly equal to the
 719                                    parameter MINLength */
 720         u32 tx127;              /* Total number of frames (including bad
 721                                    frames) transmitted that were between
 722                                    MINLength (Including FCS length==4) and 127
 723                                    octets */
 724         u32 tx255;              /* Total number of frames (including bad
 725                                    frames) transmitted that were between 128
 726                                    (Including FCS length==4) and 255 octets */
 727         u32 rx64;               /* Total number of frames received including
 728                                    bad frames that were exactly of the mninimal
 729                                    length (64 bytes) */
 730         u32 rx127;              /* Total number of frames (including bad
 731                                    frames) received that were between MINLength
 732                                    (Including FCS length==4) and 127 octets */
 733         u32 rx255;              /* Total number of frames (including bad
 734                                    frames) received that were between 128
 735                                    (Including FCS length==4) and 255 octets */
 736         u32 txok;               /* Total number of octets residing in frames
 737                                    that where involved in succesfull
 738                                    transmission */
 739         u16 txcf;               /* Total number of PAUSE control frames
 740                                    transmitted by this MAC */
 741         u32 tmca;               /* Total number of frames that were transmitted
 742                                    succesfully with the group address bit set
 743                                    that are not broadcast frames */
 744         u32 tbca;               /* Total number of frames transmitted
 745                                    succesfully that had destination address
 746                                    field equal to the broadcast address */
 747         u32 rxfok;              /* Total number of frames received OK */
 748         u32 rxbok;              /* Total number of octets received OK */
 749         u32 rbyt;               /* Total number of octets received including
 750                                    octets in bad frames. Must be implemented in
 751                                    HW because it includes octets in frames that
 752                                    never even reach the UCC */
 753         u32 rmca;               /* Total number of frames that were received
 754                                    succesfully with the group address bit set
 755                                    that are not broadcast frames */
 756         u32 rbca;               /* Total number of frames received succesfully
 757                                    that had destination address equal to the
 758                                    broadcast address */
 759 } __attribute__ ((packed));
 760
 761 /* UCC GETH Tx errors returned via TxConf callback */
 762 #define TX_ERRORS_DEF      0x0200
 763 #define TX_ERRORS_EXDEF    0x0100
 764 #define TX_ERRORS_LC       0x0080
 765 #define TX_ERRORS_RL       0x0040
 766 #define TX_ERRORS_RC_MASK  0x003C
 767 #define TX_ERRORS_RC_SHIFT 2
 768 #define TX_ERRORS_UN       0x0002
 769 #define TX_ERRORS_CSL      0x0001
 770
 771 /* UCC GETH Rx errors returned via RxStore callback */
 772 #define RX_ERRORS_CMR      0x0200
 773 #define RX_ERRORS_M        0x0100
 774 #define RX_ERRORS_BC       0x0080
 775 #define RX_ERRORS_MC       0x0040
 776
 777 /* Transmit BD. These are in addition to values defined in uccf. */
 778 #define T_VID      0x003c0000   /* insert VLAN id index mask. */
 779 #define T_DEF      (((u32) TX_ERRORS_DEF     ) << 16)
 780 #define T_EXDEF    (((u32) TX_ERRORS_EXDEF   ) << 16)
 781 #define T_LC       (((u32) TX_ERRORS_LC      ) << 16)
 782 #define T_RL       (((u32) TX_ERRORS_RL      ) << 16)
 783 #define T_RC_MASK  (((u32) TX_ERRORS_RC_MASK ) << 16)
 784 #define T_UN       (((u32) TX_ERRORS_UN      ) << 16)
 785 #define T_CSL      (((u32) TX_ERRORS_CSL     ) << 16)
 786 #define T_ERRORS_REPORT  (T_DEF | T_EXDEF | T_LC | T_RL | T_RC_MASK \
 787                 | T_UN | T_CSL) /* transmit errors to report */
 788
 789 /* Receive BD. These are in addition to values defined in uccf. */
 790 #define R_LG    0x00200000      /* Frame length violation.  */
 791 #define R_NO    0x00100000      /* Non-octet aligned frame.  */
 792 #define R_SH    0x00080000      /* Short frame.  */
 793 #define R_CR    0x00040000      /* CRC error.  */
 794 #define R_OV    0x00020000      /* Overrun.  */
 795 #define R_IPCH  0x00010000      /* IP checksum check failed. */
 796 #define R_CMR   (((u32) RX_ERRORS_CMR  ) << 16)
 797 #define R_M     (((u32) RX_ERRORS_M    ) << 16)
 798 #define R_BC    (((u32) RX_ERRORS_BC   ) << 16)
 799 #define R_MC    (((u32) RX_ERRORS_MC   ) << 16)
 800 #define R_ERRORS_REPORT (R_CMR | R_M | R_BC | R_MC)     /* receive errors to
 801                                                            report */
 802 #define R_ERRORS_FATAL  (R_LG  | R_NO | R_SH | R_CR | \
 803                 R_OV | R_IPCH)  /* receive errors to discard */
 804
 805 /* Alignments */
 806 #define UCC_GETH_RX_GLOBAL_PRAM_ALIGNMENT       256
 807 #define UCC_GETH_TX_GLOBAL_PRAM_ALIGNMENT       128
 808 #define UCC_GETH_THREAD_RX_PRAM_ALIGNMENT       128
 809 #define UCC_GETH_THREAD_TX_PRAM_ALIGNMENT       64
 810 #define UCC_GETH_THREAD_DATA_ALIGNMENT          256     /* spec gives values
 811                                                            based on num of
 812                                                            threads, but always
 813                                                            using the maximum is
 814                                                            easier */
 815 #define UCC_GETH_SEND_QUEUE_QUEUE_DESCRIPTOR_ALIGNMENT  32
 816 #define UCC_GETH_SCHEDULER_ALIGNMENT            4       /* This is a guess */
 817 #define UCC_GETH_TX_STATISTICS_ALIGNMENT        4       /* This is a guess */
 818 #define UCC_GETH_RX_STATISTICS_ALIGNMENT        4       /* This is a guess */
 819 #define UCC_GETH_RX_INTERRUPT_COALESCING_ALIGNMENT      64
 820 #define UCC_GETH_RX_BD_QUEUES_ALIGNMENT         8       /* This is a guess */
 821 #define UCC_GETH_RX_PREFETCHED_BDS_ALIGNMENT    128     /* This is a guess */
 822 #define UCC_GETH_RX_EXTENDED_FILTERING_GLOBAL_PARAMETERS_ALIGNMENT 4    /* This
 823                                                                            is a
 824                                                                            guess
 825                                                                          */
 826 #define UCC_GETH_RX_BD_RING_ALIGNMENT           32
 827 #define UCC_GETH_TX_BD_RING_ALIGNMENT           32
 828 #define UCC_GETH_MRBLR_ALIGNMENT                128
 829 #define UCC_GETH_RX_BD_RING_SIZE_ALIGNMENT      4
 830 #define UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT       32
 831 #define UCC_GETH_RX_DATA_BUF_ALIGNMENT          64
 832
 833 #define UCC_GETH_TAD_EF                         0x80
 834 #define UCC_GETH_TAD_V                          0x40
 835 #define UCC_GETH_TAD_REJ                        0x20
 836 #define UCC_GETH_TAD_VTAG_OP_RIGHT_SHIFT        2
 837 #define UCC_GETH_TAD_VTAG_OP_SHIFT              6
 838 #define UCC_GETH_TAD_V_NON_VTAG_OP              0x20
 839 #define UCC_GETH_TAD_RQOS_SHIFT                 0
 840 #define UCC_GETH_TAD_V_PRIORITY_SHIFT           5
 841 #define UCC_GETH_TAD_CFI                        0x10
 842
 843 #define UCC_GETH_VLAN_PRIORITY_MAX              8
 844 #define UCC_GETH_IP_PRIORITY_MAX                64
 845 #define UCC_GETH_TX_VTAG_TABLE_ENTRY_MAX        8
 846 #define UCC_GETH_RX_BD_RING_SIZE_MIN            8
 847 #define UCC_GETH_TX_BD_RING_SIZE_MIN            2
 848 #define UCC_GETH_BD_RING_SIZE_MAX               0xffff
 849
 850 #define UCC_GETH_SIZE_OF_BD                     QE_SIZEOF_BD
 851
 852 /* Driver definitions */
 853 #define TX_BD_RING_LEN                          0x10
 854 #define RX_BD_RING_LEN                          0x10
 855
 856 #define TX_RING_MOD_MASK(size)                  (size-1)
 857 #define RX_RING_MOD_MASK(size)                  (size-1)
 858
 859 #define ENET_NUM_OCTETS_PER_ADDRESS             6
 860 #define ENET_GROUP_ADDR                         0x01    /* Group address mask
 861                                                            for ethernet
 862                                                            addresses */
 863
 864 #define TX_TIMEOUT                              (1*HZ)
 865 #define SKB_ALLOC_TIMEOUT                       100000
 866 #define PHY_INIT_TIMEOUT                        100000
 867 #define PHY_CHANGE_TIME                         2
 868
 869 /* Fast Ethernet (10/100 Mbps) */
 870 #define UCC_GETH_URFS_INIT                      512     /* Rx virtual FIFO size
 871                                                          */
 872 #define UCC_GETH_URFET_INIT                     256     /* 1/2 urfs */
 873 #define UCC_GETH_URFSET_INIT                    384     /* 3/4 urfs */
 874 #define UCC_GETH_UTFS_INIT                      512     /* Tx virtual FIFO size
 875                                                          */
 876 #define UCC_GETH_UTFET_INIT                     256     /* 1/2 utfs */
 877 #define UCC_GETH_UTFTT_INIT                     128
 878 /* Gigabit Ethernet (1000 Mbps) */
 879 #define UCC_GETH_URFS_GIGA_INIT                 4096/*2048*/    /* Rx virtual
 880                                                                    FIFO size */
 881 #define UCC_GETH_URFET_GIGA_INIT                2048/*1024*/    /* 1/2 urfs */
 882 #define UCC_GETH_URFSET_GIGA_INIT               3072/*1536*/    /* 3/4 urfs */
 883 #define UCC_GETH_UTFS_GIGA_INIT                 8192/*2048*/    /* Tx virtual
 884                                                                    FIFO size */
 885 #define UCC_GETH_UTFET_GIGA_INIT                4096/*1024*/    /* 1/2 utfs */
 886 #define UCC_GETH_UTFTT_GIGA_INIT                0x400/*0x40*/   /* */
 887
 888 #define UCC_GETH_REMODER_INIT                   0       /* bits that must be
 889                                                            set */
 890 #define UCC_GETH_TEMODER_INIT                   0xC000  /* bits that must */
 891
 892 /* Initial value for UPSMR */
 893 #define UCC_GETH_UPSMR_INIT                     UCC_GETH_UPSMR_RES1
 894
 895 #define UCC_GETH_MACCFG1_INIT                   0
 896 #define UCC_GETH_MACCFG2_INIT                   (MACCFG2_RESERVED_1)
 897
 898 /* Ethernet Address Type. */
 899 enum enet_addr_type {
 900         ENET_ADDR_TYPE_INDIVIDUAL,
 901         ENET_ADDR_TYPE_GROUP,
 902         ENET_ADDR_TYPE_BROADCAST
 903 };
 904
 905 /* UCC GETH 82xx Ethernet Address Recognition Location */
 906 enum ucc_geth_enet_address_recognition_location {
 907         UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_STATION_ADDRESS,/* station
 908                                                                       address */
 909         UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_PADDR_FIRST, /* additional
 910                                                                    station
 911                                                                    address
 912                                                                    paddr1 */
 913         UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_PADDR2,      /* additional
 914                                                                    station
 915                                                                    address
 916                                                                    paddr2 */
 917         UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_PADDR3,      /* additional
 918                                                                    station
 919                                                                    address
 920                                                                    paddr3 */
 921         UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_PADDR_LAST,  /* additional
 922                                                                    station
 923                                                                    address
 924                                                                    paddr4 */
 925         UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_GROUP_HASH,  /* group hash */
 926         UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_INDIVIDUAL_HASH /* individual
 927                                                                       hash */
 928 };
 929
 930 /* UCC GETH vlan operation tagged */
 931 enum ucc_geth_vlan_operation_tagged {
 932         UCC_GETH_VLAN_OPERATION_TAGGED_NOP = 0x0,       /* Tagged - nop */
 933         UCC_GETH_VLAN_OPERATION_TAGGED_REPLACE_VID_PORTION_OF_Q_TAG
 934                 = 0x1,  /* Tagged - replace vid portion of q tag */
 935         UCC_GETH_VLAN_OPERATION_TAGGED_IF_VID0_REPLACE_VID_WITH_DEFAULT_VALUE
 936                 = 0x2,  /* Tagged - if vid0 replace vid with default value  */
 937         UCC_GETH_VLAN_OPERATION_TAGGED_EXTRACT_Q_TAG_FROM_FRAME
 938                 = 0x3   /* Tagged - extract q tag from frame */
 939 };
 940
 941 /* UCC GETH vlan operation non-tagged */
 942 enum ucc_geth_vlan_operation_non_tagged {
 943         UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP = 0x0,   /* Non tagged - nop */
 944         UCC_GETH_VLAN_OPERATION_NON_TAGGED_Q_TAG_INSERT = 0x1   /* Non tagged -
 945                                                                    q tag insert
 946                                                                  */
 947 };
 948
 949 /* UCC GETH Rx Quality of Service Mode */
 950 enum ucc_geth_qos_mode {
 951         UCC_GETH_QOS_MODE_DEFAULT = 0x0,        /* default queue */
 952         UCC_GETH_QOS_MODE_QUEUE_NUM_FROM_L2_CRITERIA = 0x1,     /* queue
 953                                                                    determined
 954                                                                    by L2
 955                                                                    criteria */
 956         UCC_GETH_QOS_MODE_QUEUE_NUM_FROM_L3_CRITERIA = 0x2      /* queue
 957                                                                    determined
 958                                                                    by L3
 959                                                                    criteria */
 960 };
 961
 962 /* UCC GETH Statistics Gathering Mode - These are bit flags, 'or' them together
 963    for combined functionality */
 964 enum ucc_geth_statistics_gathering_mode {
 965         UCC_GETH_STATISTICS_GATHERING_MODE_NONE = 0x00000000,   /* No
 966                                                                    statistics
 967                                                                    gathering */
 968         UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE = 0x00000001,/* Enable
 969                                                                     hardware
 970                                                                     statistics
 971                                                                     gathering
 972                                                                   */
 973         UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX = 0x00000004,/*Enable
 974                                                                       firmware
 975                                                                       tx
 976                                                                       statistics
 977                                                                       gathering
 978                                                                      */
 979         UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX = 0x00000008/* Enable
 980                                                                       firmware
 981                                                                       rx
 982                                                                       statistics
 983                                                                       gathering
 984                                                                     */
 985 };
 986
 987 /* UCC GETH Pad and CRC Mode - Note, Padding without CRC is not possible */
 988 enum ucc_geth_maccfg2_pad_and_crc_mode {
 989         UCC_GETH_PAD_AND_CRC_MODE_NONE
 990                 = MACCFG2_PAD_AND_CRC_MODE_NONE,        /* Neither Padding
 991                                                            short frames
 992                                                            nor CRC */
 993         UCC_GETH_PAD_AND_CRC_MODE_CRC_ONLY
 994                 = MACCFG2_PAD_AND_CRC_MODE_CRC_ONLY,    /* Append
 995                                                            CRC only */
 996         UCC_GETH_PAD_AND_CRC_MODE_PAD_AND_CRC =
 997             MACCFG2_PAD_AND_CRC_MODE_PAD_AND_CRC
 998 };
 999
1000 /* UCC GETH upsmr Flow Control Mode */
1001 enum ucc_geth_flow_control_mode {
1002         UPSMR_AUTOMATIC_FLOW_CONTROL_MODE_NONE = 0x00000000,    /* No automatic
1003                                                                    flow control
1004                                                                  */
1005         UPSMR_AUTOMATIC_FLOW_CONTROL_MODE_PAUSE_WHEN_EMERGENCY
1006                 = 0x00004000    /* Send pause frame when RxFIFO reaches its
1007                                    emergency threshold */
1008 };
1009
1010 /* UCC GETH number of threads */
1011 enum ucc_geth_num_of_threads {
1012         UCC_GETH_NUM_OF_THREADS_1 = 0x1,        /* 1 */
1013         UCC_GETH_NUM_OF_THREADS_2 = 0x2,        /* 2 */
1014         UCC_GETH_NUM_OF_THREADS_4 = 0x0,        /* 4 */
1015         UCC_GETH_NUM_OF_THREADS_6 = 0x3,        /* 6 */
1016         UCC_GETH_NUM_OF_THREADS_8 = 0x4 /* 8 */
1017 };
1018
1019 /* UCC GETH number of station addresses */
1020 enum ucc_geth_num_of_station_addresses {
1021         UCC_GETH_NUM_OF_STATION_ADDRESSES_1,    /* 1 */
1022         UCC_GETH_NUM_OF_STATION_ADDRESSES_5     /* 5 */
1023 };
1024
1025 /* UCC GETH 82xx Ethernet Address Container */
1026 struct enet_addr_container {
1027         u8 address[ENET_NUM_OCTETS_PER_ADDRESS];        /* ethernet address */
1028         enum ucc_geth_enet_address_recognition_location location;       /* location in
1029                                                                    82xx address
1030                                                                    recognition
1031                                                                    hardware */
1032         struct list_head node;
1033 };
1034
1035 #define ENET_ADDR_CONT_ENTRY(ptr) list_entry(ptr, struct enet_addr_container, node)
1036
1037 /* UCC GETH Termination Action Descriptor (TAD) structure. */
1038 struct ucc_geth_tad_params {
1039         int rx_non_dynamic_extended_features_mode;
1040         int reject_frame;
1041         enum ucc_geth_vlan_operation_tagged vtag_op;
1042         enum ucc_geth_vlan_operation_non_tagged vnontag_op;
1043         enum ucc_geth_qos_mode rqos;
1044         u8 vpri;
1045         u16 vid;
1046 };
1047
1048 /* GETH protocol initialization structure */
1049 struct ucc_geth_info {
1050         struct ucc_fast_info uf_info;
1051         u8 numQueuesTx;
1052         u8 numQueuesRx;
1053         int ipCheckSumCheck;
1054         int ipCheckSumGenerate;
1055         int rxExtendedFiltering;
1056         u32 extendedFilteringChainPointer;
1057         u16 typeorlen;
1058         int dynamicMaxFrameLength;
1059         int dynamicMinFrameLength;
1060         u8 nonBackToBackIfgPart1;
1061         u8 nonBackToBackIfgPart2;
1062         u8 miminumInterFrameGapEnforcement;
1063         u8 backToBackInterFrameGap;
1064         int ipAddressAlignment;
1065         int lengthCheckRx;
1066         u32 mblinterval;
1067         u16 nortsrbytetime;
1068         u8 fracsiz;
1069         u8 strictpriorityq;
1070         u8 txasap;
1071         u8 extrabw;
1072         int miiPreambleSupress;
1073         u8 altBebTruncation;
1074         int altBeb;
1075         int backPressureNoBackoff;
1076         int noBackoff;
1077         int excessDefer;
1078         u8 maxRetransmission;
1079         u8 collisionWindow;
1080         int pro;
1081         int cap;
1082         int rsh;
1083         int rlpb;
1084         int cam;
1085         int bro;
1086         int ecm;
1087         int receiveFlowControl;
1088         int transmitFlowControl;
1089         u8 maxGroupAddrInHash;
1090         u8 maxIndAddrInHash;
1091         u8 prel;
1092         u16 maxFrameLength;
1093         u16 minFrameLength;
1094         u16 maxD1Length;
1095         u16 maxD2Length;
1096         u16 vlantype;
1097         u16 vlantci;
1098         u32 ecamptr;
1099         u32 eventRegMask;
1100         u16 pausePeriod;
1101         u16 extensionField;
1102         struct device_node *phy_node;
1103         u8 weightfactor[NUM_TX_QUEUES];
1104         u8 interruptcoalescingmaxvalue[NUM_RX_QUEUES];
1105         u8 l2qt[UCC_GETH_VLAN_PRIORITY_MAX];
1106         u8 l3qt[UCC_GETH_IP_PRIORITY_MAX];
1107         u32 vtagtable[UCC_GETH_TX_VTAG_TABLE_ENTRY_MAX];
1108         u8 iphoffset[TX_IP_OFFSET_ENTRY_MAX];
1109         u16 bdRingLenTx[NUM_TX_QUEUES];
1110         u16 bdRingLenRx[NUM_RX_QUEUES];
1111         enum ucc_geth_num_of_station_addresses numStationAddresses;
1112         enum qe_fltr_largest_external_tbl_lookup_key_size
1113             largestexternallookupkeysize;
1114         enum ucc_geth_statistics_gathering_mode statisticsMode;
1115         enum ucc_geth_vlan_operation_tagged vlanOperationTagged;
1116         enum ucc_geth_vlan_operation_non_tagged vlanOperationNonTagged;
1117         enum ucc_geth_qos_mode rxQoSMode;
1118         enum ucc_geth_flow_control_mode aufc;
1119         enum ucc_geth_maccfg2_pad_and_crc_mode padAndCrc;
1120         enum ucc_geth_num_of_threads numThreadsTx;
1121         enum ucc_geth_num_of_threads numThreadsRx;
1122         enum qe_risc_allocation riscTx;
1123         enum qe_risc_allocation riscRx;
1124 };
1125
1126 /* structure representing UCC GETH */
1127 struct ucc_geth_private {
1128         struct ucc_geth_info *ug_info;
1129         struct ucc_fast_private *uccf;
1130         struct device *dev;
1131         struct net_device *ndev;
1132         struct napi_struct napi;
1133         struct work_struct timeout_work;
1134         struct ucc_geth __iomem *ug_regs;
1135         struct ucc_geth_init_pram *p_init_enet_param_shadow;
1136         struct ucc_geth_exf_global_pram __iomem *p_exf_glbl_param;
1137         u32 exf_glbl_param_offset;
1138         struct ucc_geth_rx_global_pram __iomem *p_rx_glbl_pram;
1139         u32 rx_glbl_pram_offset;
1140         struct ucc_geth_tx_global_pram __iomem *p_tx_glbl_pram;
1141         u32 tx_glbl_pram_offset;
1142         struct ucc_geth_send_queue_mem_region __iomem *p_send_q_mem_reg;
1143         u32 send_q_mem_reg_offset;
1144         struct ucc_geth_thread_data_tx __iomem *p_thread_data_tx;
1145         u32 thread_dat_tx_offset;
1146         struct ucc_geth_thread_data_rx __iomem *p_thread_data_rx;
1147         u32 thread_dat_rx_offset;
1148         struct ucc_geth_scheduler __iomem *p_scheduler;
1149         u32 scheduler_offset;
1150         struct ucc_geth_tx_firmware_statistics_pram __iomem *p_tx_fw_statistics_pram;
1151         u32 tx_fw_statistics_pram_offset;
1152         struct ucc_geth_rx_firmware_statistics_pram __iomem *p_rx_fw_statistics_pram;
1153         u32 rx_fw_statistics_pram_offset;
1154         struct ucc_geth_rx_interrupt_coalescing_table __iomem *p_rx_irq_coalescing_tbl;
1155         u32 rx_irq_coalescing_tbl_offset;
1156         struct ucc_geth_rx_bd_queues_entry __iomem *p_rx_bd_qs_tbl;
1157         u32 rx_bd_qs_tbl_offset;
1158         u8 __iomem *p_tx_bd_ring[NUM_TX_QUEUES];
1159         u32 tx_bd_ring_offset[NUM_TX_QUEUES];
1160         u8 __iomem *p_rx_bd_ring[NUM_RX_QUEUES];
1161         u32 rx_bd_ring_offset[NUM_RX_QUEUES];
1162         u8 __iomem *confBd[NUM_TX_QUEUES];
1163         u8 __iomem *txBd[NUM_TX_QUEUES];
1164         u8 __iomem *rxBd[NUM_RX_QUEUES];
1165         int badFrame[NUM_RX_QUEUES];
1166         u16 cpucount[NUM_TX_QUEUES];
1167         u16 __iomem *p_cpucount[NUM_TX_QUEUES];
1168         int indAddrRegUsed[NUM_OF_PADDRS];
1169         u8 paddr[NUM_OF_PADDRS][ENET_NUM_OCTETS_PER_ADDRESS];   /* ethernet address */
1170         u8 numGroupAddrInHash;
1171         u8 numIndAddrInHash;
1172         u8 numIndAddrInReg;
1173         int rx_extended_features;
1174         int rx_non_dynamic_extended_features;
1175         struct list_head conf_skbs;
1176         struct list_head group_hash_q;
1177         struct list_head ind_hash_q;
1178         u32 saved_uccm;
1179         spinlock_t lock;
1180         /* pointers to arrays of skbuffs for tx and rx */
1181         struct sk_buff **tx_skbuff[NUM_TX_QUEUES];
1182         struct sk_buff **rx_skbuff[NUM_RX_QUEUES];
1183         /* indices pointing to the next free sbk in skb arrays */
1184         u16 skb_curtx[NUM_TX_QUEUES];
1185         u16 skb_currx[NUM_RX_QUEUES];
1186         /* index of the first skb which hasn't been transmitted yet. */
1187         u16 skb_dirtytx[NUM_TX_QUEUES];
1188
1189         struct ugeth_mii_info *mii_info;
1190         struct phy_device *phydev;
1191         phy_interface_t phy_interface;
1192         int max_speed;
1193         uint32_t msg_enable;
1194         int oldspeed;
1195         int oldduplex;
1196         int oldlink;
1197
1198         struct device_node *node;
1199 };
1200
1201 void uec_set_ethtool_ops(struct net_device *netdev);
1202 int init_flow_control_params(u32 automatic_flow_control_mode,
1203                 int rx_flow_control_enable, int tx_flow_control_enable,
1204                 u16 pause_period, u16 extension_field,
1205                 u32 __iomem *upsmr_register, u32 __iomem *uempr_register,
1206                 u32 __iomem *maccfg1_register);
1207
1208
1209 #endif                          /* __UCC_GETH_H__ */