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 #include <linux/fsl_devices.h>
  24
  25 #include <asm/immap_qe.h>
  26 #include <asm/qe.h>
  27
  28 #include <asm/ucc.h>
  29 #include <asm/ucc_fast.h>
  30
  31 #include "ucc_geth_mii.h"
  32
  33 #define NUM_TX_QUEUES                   8
  34 #define NUM_RX_QUEUES                   8
  35 #define NUM_BDS_IN_PREFETCHED_BDS       4
  36 #define TX_IP_OFFSET_ENTRY_MAX          8
  37 #define NUM_OF_PADDRS                   4
  38 #define ENET_INIT_PARAM_MAX_ENTRIES_RX  9
  39 #define ENET_INIT_PARAM_MAX_ENTRIES_TX  8
  40
  41 struct ucc_geth {
  42         struct ucc_fast uccf;
  43
  44         u32 maccfg1;            /* mac configuration reg. 1 */
  45         u32 maccfg2;            /* mac configuration reg. 2 */
  46         u32 ipgifg;             /* interframe gap reg.  */
  47         u32 hafdup;             /* half-duplex reg.  */
  48         u8 res1[0x10];
  49         u8 miimng[0x18];        /* MII management structure moved to _mii.h */
  50         u32 ifctl;              /* interface control reg */
  51         u32 ifstat;             /* interface statux reg */
  52         u32 macstnaddr1;        /* mac station address part 1 reg */
  53         u32 macstnaddr2;        /* mac station address part 2 reg */
  54         u8 res2[0x8];
  55         u32 uempr;              /* UCC Ethernet Mac parameter reg */
  56         u32 utbipar;            /* UCC tbi address reg */
  57         u16 uescr;              /* UCC Ethernet statistics control reg */
  58         u8 res3[0x180 - 0x15A];
  59         u32 tx64;               /* Total number of frames (including bad
  60                                    frames) transmitted that were exactly of the
  61                                    minimal length (64 for un tagged, 68 for
  62                                    tagged, or with length exactly equal to the
  63                                    parameter MINLength */
  64         u32 tx127;              /* Total number of frames (including bad
  65                                    frames) transmitted that were between
  66                                    MINLength (Including FCS length==4) and 127
  67                                    octets */
  68         u32 tx255;              /* Total number of frames (including bad
  69                                    frames) transmitted that were between 128
  70                                    (Including FCS length==4) and 255 octets */
  71         u32 rx64;               /* Total number of frames received including
  72                                    bad frames that were exactly of the mninimal
  73                                    length (64 bytes) */
  74         u32 rx127;              /* Total number of frames (including bad
  75                                    frames) received that were between MINLength
  76                                    (Including FCS length==4) and 127 octets */
  77         u32 rx255;              /* Total number of frames (including bad
  78                                    frames) received that were between 128
  79                                    (Including FCS length==4) and 255 octets */
  80         u32 txok;               /* Total number of octets residing in frames
  81                                    that where involved in succesfull
  82                                    transmission */
  83         u16 txcf;               /* Total number of PAUSE control frames
  84                                    transmitted by this MAC */
  85         u8 res4[0x2];
  86         u32 tmca;               /* Total number of frames that were transmitted
  87                                    succesfully with the group address bit set
  88                                    that are not broadcast frames */
  89         u32 tbca;               /* Total number of frames transmitted
  90                                    succesfully that had destination address
  91                                    field equal to the broadcast address */
  92         u32 rxfok;              /* Total number of frames received OK */
  93         u32 rxbok;              /* Total number of octets received OK */
  94         u32 rbyt;               /* Total number of octets received including
  95                                    octets in bad frames. Must be implemented in
  96                                    HW because it includes octets in frames that
  97                                    never even reach the UCC */
  98         u32 rmca;               /* Total number of frames that were received
  99                                    succesfully with the group address bit set
 100                                    that are not broadcast frames */
 101         u32 rbca;               /* Total number of frames received succesfully
 102                                    that had destination address equal to the
 103                                    broadcast address */
 104         u32 scar;               /* Statistics carry register */
 105         u32 scam;               /* Statistics caryy mask register */
 106         u8 res5[0x200 - 0x1c4];
 107 } __attribute__ ((packed));
 108
 109 /* UCC GETH TEMODR Register */
 110 #define TEMODER_TX_RMON_STATISTICS_ENABLE       0x0100  /* enable Tx statistics
 111                                                          */
 112 #define TEMODER_SCHEDULER_ENABLE                0x2000  /* enable scheduler */
 113 #define TEMODER_IP_CHECKSUM_GENERATE            0x0400  /* generate IPv4
 114                                                            checksums */
 115 #define TEMODER_PERFORMANCE_OPTIMIZATION_MODE1  0x0200  /* enable performance
 116                                                            optimization
 117                                                            enhancement (mode1) */
 118 #define TEMODER_RMON_STATISTICS                 0x0100  /* enable tx statistics
 119                                                          */
 120 #define TEMODER_NUM_OF_QUEUES_SHIFT             (15-15) /* Number of queues <<
 121                                                            shift */
 122
 123 /* UCC GETH TEMODR Register */
 124 #define REMODER_RX_RMON_STATISTICS_ENABLE       0x00001000      /* enable Rx
 125                                                                    statistics */
 126 #define REMODER_RX_EXTENDED_FEATURES            0x80000000      /* enable
 127                                                                    extended
 128                                                                    features */
 129 #define REMODER_VLAN_OPERATION_TAGGED_SHIFT     (31-9 ) /* vlan operation
 130                                                            tagged << shift */
 131 #define REMODER_VLAN_OPERATION_NON_TAGGED_SHIFT (31-10) /* vlan operation non
 132                                                            tagged << shift */
 133 #define REMODER_RX_QOS_MODE_SHIFT               (31-15) /* rx QoS mode << shift
 134                                                          */
 135 #define REMODER_RMON_STATISTICS                 0x00001000      /* enable rx
 136                                                                    statistics */
 137 #define REMODER_RX_EXTENDED_FILTERING           0x00000800      /* extended
 138                                                                    filtering
 139                                                                    vs.
 140                                                                    mpc82xx-like
 141                                                                    filtering */
 142 #define REMODER_NUM_OF_QUEUES_SHIFT             (31-23) /* Number of queues <<
 143                                                            shift */
 144 #define REMODER_DYNAMIC_MAX_FRAME_LENGTH        0x00000008      /* enable
 145                                                                    dynamic max
 146                                                                    frame length
 147                                                                  */
 148 #define REMODER_DYNAMIC_MIN_FRAME_LENGTH        0x00000004      /* enable
 149                                                                    dynamic min
 150                                                                    frame length
 151                                                                  */
 152 #define REMODER_IP_CHECKSUM_CHECK               0x00000002      /* check IPv4
 153                                                                    checksums */
 154 #define REMODER_IP_ADDRESS_ALIGNMENT            0x00000001      /* align ip
 155                                                                    address to
 156                                                                    4-byte
 157                                                                    boundary */
 158
 159 /* UCC GETH Event Register */
 160 #define UCCE_MPD                                0x80000000      /* Magic packet
 161                                                                    detection */
 162 #define UCCE_SCAR                               0x40000000
 163 #define UCCE_GRA                                0x20000000      /* Tx graceful
 164                                                                    stop
 165                                                                    complete */
 166 #define UCCE_CBPR                               0x10000000
 167 #define UCCE_BSY                                0x08000000
 168 #define UCCE_RXC                                0x04000000
 169 #define UCCE_TXC                                0x02000000
 170 #define UCCE_TXE                                0x01000000
 171 #define UCCE_TXB7                               0x00800000
 172 #define UCCE_TXB6                               0x00400000
 173 #define UCCE_TXB5                               0x00200000
 174 #define UCCE_TXB4                               0x00100000
 175 #define UCCE_TXB3                               0x00080000
 176 #define UCCE_TXB2                               0x00040000
 177 #define UCCE_TXB1                               0x00020000
 178 #define UCCE_TXB0                               0x00010000
 179 #define UCCE_RXB7                               0x00008000
 180 #define UCCE_RXB6                               0x00004000
 181 #define UCCE_RXB5                               0x00002000
 182 #define UCCE_RXB4                               0x00001000
 183 #define UCCE_RXB3                               0x00000800
 184 #define UCCE_RXB2                               0x00000400
 185 #define UCCE_RXB1                               0x00000200
 186 #define UCCE_RXB0                               0x00000100
 187 #define UCCE_RXF7                               0x00000080
 188 #define UCCE_RXF6                               0x00000040
 189 #define UCCE_RXF5                               0x00000020
 190 #define UCCE_RXF4                               0x00000010
 191 #define UCCE_RXF3                               0x00000008
 192 #define UCCE_RXF2                               0x00000004
 193 #define UCCE_RXF1                               0x00000002
 194 #define UCCE_RXF0                               0x00000001
 195
 196 #define UCCE_RXBF_SINGLE_MASK                   (UCCE_RXF0)
 197 #define UCCE_TXBF_SINGLE_MASK                   (UCCE_TXB0)
 198
 199 #define UCCE_TXB         (UCCE_TXB7 | UCCE_TXB6 | UCCE_TXB5 | UCCE_TXB4 |\
 200                         UCCE_TXB3 | UCCE_TXB2 | UCCE_TXB1 | UCCE_TXB0)
 201 #define UCCE_RXB         (UCCE_RXB7 | UCCE_RXB6 | UCCE_RXB5 | UCCE_RXB4 |\
 202                         UCCE_RXB3 | UCCE_RXB2 | UCCE_RXB1 | UCCE_RXB0)
 203 #define UCCE_RXF         (UCCE_RXF7 | UCCE_RXF6 | UCCE_RXF5 | UCCE_RXF4 |\
 204                         UCCE_RXF3 | UCCE_RXF2 | UCCE_RXF1 | UCCE_RXF0)
 205 #define UCCE_OTHER       (UCCE_SCAR | UCCE_GRA  | UCCE_CBPR | UCCE_BSY  |\
 206                         UCCE_RXC  | UCCE_TXC  | UCCE_TXE)
 207
 208 #define UCCE_RX_EVENTS                                                  (UCCE_RXF | UCCE_BSY)
 209 #define UCCE_TX_EVENTS                                                  (UCCE_TXB | UCCE_TXE)
 210
 211 /* UCC GETH UPSMR (Protocol Specific Mode Register) */
 212 #define UPSMR_ECM                               0x04000000      /* Enable CAM
 213                                                                    Miss or
 214                                                                    Enable
 215                                                                    Filtering
 216                                                                    Miss */
 217 #define UPSMR_HSE                               0x02000000      /* Hardware
 218                                                                    Statistics
 219                                                                    Enable */
 220 #define UPSMR_PRO                               0x00400000      /* Promiscuous*/
 221 #define UPSMR_CAP                               0x00200000      /* CAM polarity
 222                                                                  */
 223 #define UPSMR_RSH                               0x00100000      /* Receive
 224                                                                    Short Frames
 225                                                                  */
 226 #define UPSMR_RPM                               0x00080000      /* Reduced Pin
 227                                                                    Mode
 228                                                                    interfaces */
 229 #define UPSMR_R10M                              0x00040000      /* RGMII/RMII
 230                                                                    10 Mode */
 231 #define UPSMR_RLPB                              0x00020000      /* RMII
 232                                                                    Loopback
 233                                                                    Mode */
 234 #define UPSMR_TBIM                              0x00010000      /* Ten-bit
 235                                                                    Interface
 236                                                                    Mode */
 237 #define UPSMR_RMM                               0x00001000      /* RMII/RGMII
 238                                                                    Mode */
 239 #define UPSMR_CAM                               0x00000400      /* CAM Address
 240                                                                    Matching */
 241 #define UPSMR_BRO                               0x00000200      /* Broadcast
 242                                                                    Address */
 243 #define UPSMR_RES1                              0x00002000      /* Reserved
 244                                                                    feild - must
 245                                                                    be 1 */
 246
 247 /* UCC GETH MACCFG1 (MAC Configuration 1 Register) */
 248 #define MACCFG1_FLOW_RX                         0x00000020      /* Flow Control
 249                                                                    Rx */
 250 #define MACCFG1_FLOW_TX                         0x00000010      /* Flow Control
 251                                                                    Tx */
 252 #define MACCFG1_ENABLE_SYNCHED_RX               0x00000008      /* Rx Enable
 253                                                                    synchronized
 254                                                                    to Rx stream
 255                                                                  */
 256 #define MACCFG1_ENABLE_RX                       0x00000004      /* Enable Rx */
 257 #define MACCFG1_ENABLE_SYNCHED_TX               0x00000002      /* Tx Enable
 258                                                                    synchronized
 259                                                                    to Tx stream
 260                                                                  */
 261 #define MACCFG1_ENABLE_TX                       0x00000001      /* Enable Tx */
 262
 263 /* UCC GETH MACCFG2 (MAC Configuration 2 Register) */
 264 #define MACCFG2_PREL_SHIFT                      (31 - 19)       /* Preamble
 265                                                                    Length <<
 266                                                                    shift */
 267 #define MACCFG2_PREL_MASK                       0x0000f000      /* Preamble
 268                                                                    Length mask */
 269 #define MACCFG2_SRP                             0x00000080      /* Soft Receive
 270                                                                    Preamble */
 271 #define MACCFG2_STP                             0x00000040      /* Soft
 272                                                                    Transmit
 273                                                                    Preamble */
 274 #define MACCFG2_RESERVED_1                      0x00000020      /* Reserved -
 275                                                                    must be set
 276                                                                    to 1 */
 277 #define MACCFG2_LC                              0x00000010      /* Length Check
 278                                                                  */
 279 #define MACCFG2_MPE                             0x00000008      /* Magic packet
 280                                                                    detect */
 281 #define MACCFG2_FDX                             0x00000001      /* Full Duplex */
 282 #define MACCFG2_FDX_MASK                        0x00000001      /* Full Duplex
 283                                                                    mask */
 284 #define MACCFG2_PAD_CRC                         0x00000004
 285 #define MACCFG2_CRC_EN                          0x00000002
 286 #define MACCFG2_PAD_AND_CRC_MODE_NONE           0x00000000      /* Neither
 287                                                                    Padding
 288                                                                    short frames
 289                                                                    nor CRC */
 290 #define MACCFG2_PAD_AND_CRC_MODE_CRC_ONLY       0x00000002      /* Append CRC
 291                                                                    only */
 292 #define MACCFG2_PAD_AND_CRC_MODE_PAD_AND_CRC    0x00000004
 293 #define MACCFG2_INTERFACE_MODE_NIBBLE           0x00000100      /* nibble mode
 294                                                                    (MII/RMII/RGMII
 295                                                                    10/100bps) */
 296 #define MACCFG2_INTERFACE_MODE_BYTE             0x00000200      /* byte mode
 297                                                                    (GMII/TBI/RTB/RGMII
 298                                                                    1000bps ) */
 299 #define MACCFG2_INTERFACE_MODE_MASK             0x00000300      /* mask
 300                                                                    covering all
 301                                                                    relevant
 302                                                                    bits */
 303
 304 /* UCC GETH IPGIFG (Inter-frame Gap / Inter-Frame Gap Register) */
 305 #define IPGIFG_NON_BACK_TO_BACK_IFG_PART1_SHIFT (31 -  7)       /* Non
 306                                                                    back-to-back
 307                                                                    inter frame
 308                                                                    gap part 1.
 309                                                                    << shift */
 310 #define IPGIFG_NON_BACK_TO_BACK_IFG_PART2_SHIFT (31 - 15)       /* Non
 311                                                                    back-to-back
 312                                                                    inter frame
 313                                                                    gap part 2.
 314                                                                    << shift */
 315 #define IPGIFG_MINIMUM_IFG_ENFORCEMENT_SHIFT    (31 - 23)       /* Mimimum IFG
 316                                                                    Enforcement
 317                                                                    << shift */
 318 #define IPGIFG_BACK_TO_BACK_IFG_SHIFT           (31 - 31)       /* back-to-back
 319                                                                    inter frame
 320                                                                    gap << shift
 321                                                                  */
 322 #define IPGIFG_NON_BACK_TO_BACK_IFG_PART1_MAX   127     /* Non back-to-back
 323                                                            inter frame gap part
 324                                                            1. max val */
 325 #define IPGIFG_NON_BACK_TO_BACK_IFG_PART2_MAX   127     /* Non back-to-back
 326                                                            inter frame gap part
 327                                                            2. max val */
 328 #define IPGIFG_MINIMUM_IFG_ENFORCEMENT_MAX      255     /* Mimimum IFG
 329                                                            Enforcement max val */
 330 #define IPGIFG_BACK_TO_BACK_IFG_MAX             127     /* back-to-back inter
 331                                                            frame gap max val */
 332 #define IPGIFG_NBTB_CS_IPG_MASK                 0x7F000000
 333 #define IPGIFG_NBTB_IPG_MASK                    0x007F0000
 334 #define IPGIFG_MIN_IFG_MASK                     0x0000FF00
 335 #define IPGIFG_BTB_IPG_MASK                     0x0000007F
 336
 337 /* UCC GETH HAFDUP (Half Duplex Register) */
 338 #define HALFDUP_ALT_BEB_TRUNCATION_SHIFT        (31 - 11)       /* Alternate
 339                                                                    Binary
 340                                                                    Exponential
 341                                                                    Backoff
 342                                                                    Truncation
 343                                                                    << shift */
 344 #define HALFDUP_ALT_BEB_TRUNCATION_MAX          0xf     /* Alternate Binary
 345                                                            Exponential Backoff
 346                                                            Truncation max val */
 347 #define HALFDUP_ALT_BEB                         0x00080000      /* Alternate
 348                                                                    Binary
 349                                                                    Exponential
 350                                                                    Backoff */
 351 #define HALFDUP_BACK_PRESSURE_NO_BACKOFF        0x00040000      /* Back
 352                                                                    pressure no
 353                                                                    backoff */
 354 #define HALFDUP_NO_BACKOFF                      0x00020000      /* No Backoff */
 355 #define HALFDUP_EXCESSIVE_DEFER                 0x00010000      /* Excessive
 356                                                                    Defer */
 357 #define HALFDUP_MAX_RETRANSMISSION_SHIFT        (31 - 19)       /* Maximum
 358                                                                    Retransmission
 359                                                                    << shift */
 360 #define HALFDUP_MAX_RETRANSMISSION_MAX          0xf     /* Maximum
 361                                                            Retransmission max
 362                                                            val */
 363 #define HALFDUP_COLLISION_WINDOW_SHIFT          (31 - 31)       /* Collision
 364                                                                    Window <<
 365                                                                    shift */
 366 #define HALFDUP_COLLISION_WINDOW_MAX            0x3f    /* Collision Window max
 367                                                            val */
 368 #define HALFDUP_ALT_BEB_TR_MASK                 0x00F00000
 369 #define HALFDUP_RETRANS_MASK                    0x0000F000
 370 #define HALFDUP_COL_WINDOW_MASK                 0x0000003F
 371
 372 /* UCC GETH UCCS (Ethernet Status Register) */
 373 #define UCCS_BPR                                0x02    /* Back pressure (in
 374                                                            half duplex mode) */
 375 #define UCCS_PAU                                0x02    /* Pause state (in full
 376                                                            duplex mode) */
 377 #define UCCS_MPD                                0x01    /* Magic Packet
 378                                                            Detected */
 379
 380 /* UCC GETH IFSTAT (Interface Status Register) */
 381 #define IFSTAT_EXCESS_DEFER                     0x00000200      /* Excessive
 382                                                                    transmission
 383                                                                    defer */
 384
 385 /* UCC GETH MACSTNADDR1 (Station Address Part 1 Register) */
 386 #define MACSTNADDR1_OCTET_6_SHIFT               (31 -  7)       /* Station
 387                                                                    address 6th
 388                                                                    octet <<
 389                                                                    shift */
 390 #define MACSTNADDR1_OCTET_5_SHIFT               (31 - 15)       /* Station
 391                                                                    address 5th
 392                                                                    octet <<
 393                                                                    shift */
 394 #define MACSTNADDR1_OCTET_4_SHIFT               (31 - 23)       /* Station
 395                                                                    address 4th
 396                                                                    octet <<
 397                                                                    shift */
 398 #define MACSTNADDR1_OCTET_3_SHIFT               (31 - 31)       /* Station
 399                                                                    address 3rd
 400                                                                    octet <<
 401                                                                    shift */
 402
 403 /* UCC GETH MACSTNADDR2 (Station Address Part 2 Register) */
 404 #define MACSTNADDR2_OCTET_2_SHIFT               (31 -  7)       /* Station
 405                                                                    address 2nd
 406                                                                    octet <<
 407                                                                    shift */
 408 #define MACSTNADDR2_OCTET_1_SHIFT               (31 - 15)       /* Station
 409                                                                    address 1st
 410                                                                    octet <<
 411                                                                    shift */
 412
 413 /* UCC GETH UEMPR (Ethernet Mac Parameter Register) */
 414 #define UEMPR_PAUSE_TIME_VALUE_SHIFT            (31 - 15)       /* Pause time
 415                                                                    value <<
 416                                                                    shift */
 417 #define UEMPR_EXTENDED_PAUSE_TIME_VALUE_SHIFT   (31 - 31)       /* Extended
 418                                                                    pause time
 419                                                                    value <<
 420                                                                    shift */
 421
 422 /* UCC GETH UTBIPAR (Ten Bit Interface Physical Address Register) */
 423 #define UTBIPAR_PHY_ADDRESS_SHIFT               (31 - 31)       /* Phy address
 424                                                                    << shift */
 425 #define UTBIPAR_PHY_ADDRESS_MASK                0x0000001f      /* Phy address
 426                                                                    mask */
 427
 428 /* UCC GETH UESCR (Ethernet Statistics Control Register) */
 429 #define UESCR_AUTOZ                             0x8000  /* Automatically zero
 430                                                            addressed
 431                                                            statistical counter
 432                                                            values */
 433 #define UESCR_CLRCNT                            0x4000  /* Clear all statistics
 434                                                            counters */
 435 #define UESCR_MAXCOV_SHIFT                      (15 -  7)       /* Max
 436                                                                    Coalescing
 437                                                                    Value <<
 438                                                                    shift */
 439 #define UESCR_SCOV_SHIFT                        (15 - 15)       /* Status
 440                                                                    Coalescing
 441                                                                    Value <<
 442                                                                    shift */
 443
 444 /* UCC GETH UDSR (Data Synchronization Register) */
 445 #define UDSR_MAGIC                              0x067E
 446
 447 struct ucc_geth_thread_data_tx {
 448         u8 res0[104];
 449 } __attribute__ ((packed));
 450
 451 struct ucc_geth_thread_data_rx {
 452         u8 res0[40];
 453 } __attribute__ ((packed));
 454
 455 /* Send Queue Queue-Descriptor */
 456 struct ucc_geth_send_queue_qd {
 457         u32 bd_ring_base;       /* pointer to BD ring base address */
 458         u8 res0[0x8];
 459         u32 last_bd_completed_address;/* initialize to last entry in BD ring */
 460         u8 res1[0x30];
 461 } __attribute__ ((packed));
 462
 463 struct ucc_geth_send_queue_mem_region {
 464         struct ucc_geth_send_queue_qd sqqd[NUM_TX_QUEUES];
 465 } __attribute__ ((packed));
 466
 467 struct ucc_geth_thread_tx_pram {
 468         u8 res0[64];
 469 } __attribute__ ((packed));
 470
 471 struct ucc_geth_thread_rx_pram {
 472         u8 res0[128];
 473 } __attribute__ ((packed));
 474
 475 #define THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING        64
 476 #define THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_8      64
 477 #define THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_16     96
 478
 479 struct ucc_geth_scheduler {
 480         u16 cpucount0;          /* CPU packet counter */
 481         u16 cpucount1;          /* CPU packet counter */
 482         u16 cecount0;           /* QE packet counter */
 483         u16 cecount1;           /* QE packet counter */
 484         u16 cpucount2;          /* CPU packet counter */
 485         u16 cpucount3;          /* CPU packet counter */
 486         u16 cecount2;           /* QE packet counter */
 487         u16 cecount3;           /* QE packet counter */
 488         u16 cpucount4;          /* CPU packet counter */
 489         u16 cpucount5;          /* CPU packet counter */
 490         u16 cecount4;           /* QE packet counter */
 491         u16 cecount5;           /* QE packet counter */
 492         u16 cpucount6;          /* CPU packet counter */
 493         u16 cpucount7;          /* CPU packet counter */
 494         u16 cecount6;           /* QE packet counter */
 495         u16 cecount7;           /* QE packet counter */
 496         u32 weightstatus[NUM_TX_QUEUES];        /* accumulated weight factor */
 497         u32 rtsrshadow;         /* temporary variable handled by QE */
 498         u32 time;               /* temporary variable handled by QE */
 499         u32 ttl;                /* temporary variable handled by QE */
 500         u32 mblinterval;        /* max burst length interval */
 501         u16 nortsrbytetime;     /* normalized value of byte time in tsr units */
 502         u8 fracsiz;             /* radix 2 log value of denom. of
 503                                    NorTSRByteTime */
 504         u8 res0[1];
 505         u8 strictpriorityq;     /* Strict Priority Mask register */
 506         u8 txasap;              /* Transmit ASAP register */
 507         u8 extrabw;             /* Extra BandWidth register */
 508         u8 oldwfqmask;          /* temporary variable handled by QE */
 509         u8 weightfactor[NUM_TX_QUEUES];
 510                                       /**< weight factor for queues   */
 511         u32 minw;               /* temporary variable handled by QE */
 512         u8 res1[0x70 - 0x64];
 513 } __attribute__ ((packed));
 514
 515 struct ucc_geth_tx_firmware_statistics_pram {
 516         u32 sicoltx;            /* single collision */
 517         u32 mulcoltx;           /* multiple collision */
 518         u32 latecoltxfr;        /* late collision */
 519         u32 frabortduecol;      /* frames aborted due to transmit collision */
 520         u32 frlostinmactxer;    /* frames lost due to internal MAC error
 521                                    transmission that are not counted on any
 522                                    other counter */
 523         u32 carriersenseertx;   /* carrier sense error */
 524         u32 frtxok;             /* frames transmitted OK */
 525         u32 txfrexcessivedefer; /* frames with defferal time greater than
 526                                    specified threshold */
 527         u32 txpkts256;          /* total packets (including bad) between 256
 528                                    and 511 octets */
 529         u32 txpkts512;          /* total packets (including bad) between 512
 530                                    and 1023 octets */
 531         u32 txpkts1024;         /* total packets (including bad) between 1024
 532                                    and 1518 octets */
 533         u32 txpktsjumbo;        /* total packets (including bad) between 1024
 534                                    and MAXLength octets */
 535 } __attribute__ ((packed));
 536
 537 struct ucc_geth_rx_firmware_statistics_pram {
 538         u32 frrxfcser;          /* frames with crc error */
 539         u32 fraligner;          /* frames with alignment error */
 540         u32 inrangelenrxer;     /* in range length error */
 541         u32 outrangelenrxer;    /* out of range length error */
 542         u32 frtoolong;          /* frame too long */
 543         u32 runt;               /* runt */
 544         u32 verylongevent;      /* very long event */
 545         u32 symbolerror;        /* symbol error */
 546         u32 dropbsy;            /* drop because of BD not ready */
 547         u8 res0[0x8];
 548         u32 mismatchdrop;       /* drop because of MAC filtering (e.g. address
 549                                    or type mismatch) */
 550         u32 underpkts;          /* total frames less than 64 octets */
 551         u32 pkts256;            /* total frames (including bad) between 256 and
 552                                    511 octets */
 553         u32 pkts512;            /* total frames (including bad) between 512 and
 554                                    1023 octets */
 555         u32 pkts1024;           /* total frames (including bad) between 1024
 556                                    and 1518 octets */
 557         u32 pktsjumbo;          /* total frames (including bad) between 1024
 558                                    and MAXLength octets */
 559         u32 frlossinmacer;      /* frames lost because of internal MAC error
 560                                    that is not counted in any other counter */
 561         u32 pausefr;            /* pause frames */
 562         u8 res1[0x4];
 563         u32 removevlan;         /* total frames that had their VLAN tag removed
 564                                  */
 565         u32 replacevlan;        /* total frames that had their VLAN tag
 566                                    replaced */
 567         u32 insertvlan;         /* total frames that had their VLAN tag
 568                                    inserted */
 569 } __attribute__ ((packed));
 570
 571 struct ucc_geth_rx_interrupt_coalescing_entry {
 572         u32 interruptcoalescingmaxvalue;        /* interrupt coalescing max
 573                                                    value */
 574         u32 interruptcoalescingcounter; /* interrupt coalescing counter,
 575                                            initialize to
 576                                            interruptcoalescingmaxvalue */
 577 } __attribute__ ((packed));
 578
 579 struct ucc_geth_rx_interrupt_coalescing_table {
 580         struct ucc_geth_rx_interrupt_coalescing_entry coalescingentry[NUM_RX_QUEUES];
 581                                        /**< interrupt coalescing entry */
 582 } __attribute__ ((packed));
 583
 584 struct ucc_geth_rx_prefetched_bds {
 585         struct qe_bd bd[NUM_BDS_IN_PREFETCHED_BDS];     /* prefetched bd */
 586 } __attribute__ ((packed));
 587
 588 struct ucc_geth_rx_bd_queues_entry {
 589         u32 bdbaseptr;          /* BD base pointer */
 590         u32 bdptr;              /* BD pointer */
 591         u32 externalbdbaseptr;  /* external BD base pointer */
 592         u32 externalbdptr;      /* external BD pointer */
 593 } __attribute__ ((packed));
 594
 595 struct ucc_geth_tx_global_pram {
 596         u16 temoder;
 597         u8 res0[0x38 - 0x02];
 598         u32 sqptr;              /* a base pointer to send queue memory region */
 599         u32 schedulerbasepointer;       /* a base pointer to scheduler memory
 600                                            region */
 601         u32 txrmonbaseptr;      /* base pointer to Tx RMON statistics counter */
 602         u32 tstate;             /* tx internal state. High byte contains
 603                                    function code */
 604         u8 iphoffset[TX_IP_OFFSET_ENTRY_MAX];
 605         u32 vtagtable[0x8];     /* 8 4-byte VLAN tags */
 606         u32 tqptr;              /* a base pointer to the Tx Queues Memory
 607                                    Region */
 608         u8 res2[0x80 - 0x74];
 609 } __attribute__ ((packed));
 610
 611 /* structure representing Extended Filtering Global Parameters in PRAM */
 612 struct ucc_geth_exf_global_pram {
 613         u32 l2pcdptr;           /* individual address filter, high */
 614         u8 res0[0x10 - 0x04];
 615 } __attribute__ ((packed));
 616
 617 struct ucc_geth_rx_global_pram {
 618         u32 remoder;            /* ethernet mode reg. */
 619         u32 rqptr;              /* base pointer to the Rx Queues Memory Region*/
 620         u32 res0[0x1];
 621         u8 res1[0x20 - 0xC];
 622         u16 typeorlen;          /* cutoff point less than which, type/len field
 623                                    is considered length */
 624         u8 res2[0x1];
 625         u8 rxgstpack;           /* acknowledgement on GRACEFUL STOP RX command*/
 626         u32 rxrmonbaseptr;      /* base pointer to Rx RMON statistics counter */
 627         u8 res3[0x30 - 0x28];
 628         u32 intcoalescingptr;   /* Interrupt coalescing table pointer */
 629         u8 res4[0x36 - 0x34];
 630         u8 rstate;              /* rx internal state. High byte contains
 631                                    function code */
 632         u8 res5[0x46 - 0x37];
 633         u16 mrblr;              /* max receive buffer length reg. */
 634         u32 rbdqptr;            /* base pointer to RxBD parameter table
 635                                    description */
 636         u16 mflr;               /* max frame length reg. */
 637         u16 minflr;             /* min frame length reg. */
 638         u16 maxd1;              /* max dma1 length reg. */
 639         u16 maxd2;              /* max dma2 length reg. */
 640         u32 ecamptr;            /* external CAM address */
 641         u32 l2qt;               /* VLAN priority mapping table. */
 642         u32 l3qt[0x8];          /* IP priority mapping table. */
 643         u16 vlantype;           /* vlan type */
 644         u16 vlantci;            /* default vlan tci */
 645         u8 addressfiltering[64];        /* address filtering data structure */
 646         u32 exfGlobalParam;     /* base address for extended filtering global
 647                                    parameters */
 648         u8 res6[0x100 - 0xC4];  /* Initialize to zero */
 649 } __attribute__ ((packed));
 650
 651 #define GRACEFUL_STOP_ACKNOWLEDGE_RX            0x01
 652
 653 /* structure representing InitEnet command */
 654 struct ucc_geth_init_pram {
 655         u8 resinit1;
 656         u8 resinit2;
 657         u8 resinit3;
 658         u8 resinit4;
 659         u16 resinit5;
 660         u8 res1[0x1];
 661         u8 largestexternallookupkeysize;
 662         u32 rgftgfrxglobal;
 663         u32 rxthread[ENET_INIT_PARAM_MAX_ENTRIES_RX];   /* rx threads */
 664         u8 res2[0x38 - 0x30];
 665         u32 txglobal;           /* tx global */
 666         u32 txthread[ENET_INIT_PARAM_MAX_ENTRIES_TX];   /* tx threads */
 667         u8 res3[0x1];
 668 } __attribute__ ((packed));
 669
 670 #define ENET_INIT_PARAM_RGF_SHIFT               (32 - 4)
 671 #define ENET_INIT_PARAM_TGF_SHIFT               (32 - 8)
 672
 673 #define ENET_INIT_PARAM_RISC_MASK               0x0000003f
 674 #define ENET_INIT_PARAM_PTR_MASK                0x00ffffc0
 675 #define ENET_INIT_PARAM_SNUM_MASK               0xff000000
 676 #define ENET_INIT_PARAM_SNUM_SHIFT              24
 677
 678 #define ENET_INIT_PARAM_MAGIC_RES_INIT1         0x06
 679 #define ENET_INIT_PARAM_MAGIC_RES_INIT2         0x30
 680 #define ENET_INIT_PARAM_MAGIC_RES_INIT3         0xff
 681 #define ENET_INIT_PARAM_MAGIC_RES_INIT4         0x00
 682 #define ENET_INIT_PARAM_MAGIC_RES_INIT5         0x0400
 683
 684 /* structure representing 82xx Address Filtering Enet Address in PRAM */
 685 struct ucc_geth_82xx_enet_address {
 686         u8 res1[0x2];
 687         u16 h;                  /* address (MSB) */
 688         u16 m;                  /* address */
 689         u16 l;                  /* address (LSB) */
 690 } __attribute__ ((packed));
 691
 692 /* structure representing 82xx Address Filtering PRAM */
 693 struct ucc_geth_82xx_address_filtering_pram {
 694         u32 iaddr_h;            /* individual address filter, high */
 695         u32 iaddr_l;            /* individual address filter, low */
 696         u32 gaddr_h;            /* group address filter, high */
 697         u32 gaddr_l;            /* group address filter, low */
 698         struct ucc_geth_82xx_enet_address taddr;
 699         struct ucc_geth_82xx_enet_address paddr[NUM_OF_PADDRS];
 700         u8 res0[0x40 - 0x38];
 701 } __attribute__ ((packed));
 702
 703 /* GETH Tx firmware statistics structure, used when calling
 704    UCC_GETH_GetStatistics. */
 705 struct ucc_geth_tx_firmware_statistics {
 706         u32 sicoltx;            /* single collision */
 707         u32 mulcoltx;           /* multiple collision */
 708         u32 latecoltxfr;        /* late collision */
 709         u32 frabortduecol;      /* frames aborted due to transmit collision */
 710         u32 frlostinmactxer;    /* frames lost due to internal MAC error
 711                                    transmission that are not counted on any
 712                                    other counter */
 713         u32 carriersenseertx;   /* carrier sense error */
 714         u32 frtxok;             /* frames transmitted OK */
 715         u32 txfrexcessivedefer; /* frames with defferal time greater than
 716                                    specified threshold */
 717         u32 txpkts256;          /* total packets (including bad) between 256
 718                                    and 511 octets */
 719         u32 txpkts512;          /* total packets (including bad) between 512
 720                                    and 1023 octets */
 721         u32 txpkts1024;         /* total packets (including bad) between 1024
 722                                    and 1518 octets */
 723         u32 txpktsjumbo;        /* total packets (including bad) between 1024
 724                                    and MAXLength octets */
 725 } __attribute__ ((packed));
 726
 727 /* GETH Rx firmware statistics structure, used when calling
 728    UCC_GETH_GetStatistics. */
 729 struct ucc_geth_rx_firmware_statistics {
 730         u32 frrxfcser;          /* frames with crc error */
 731         u32 fraligner;          /* frames with alignment error */
 732         u32 inrangelenrxer;     /* in range length error */
 733         u32 outrangelenrxer;    /* out of range length error */
 734         u32 frtoolong;          /* frame too long */
 735         u32 runt;               /* runt */
 736         u32 verylongevent;      /* very long event */
 737         u32 symbolerror;        /* symbol error */
 738         u32 dropbsy;            /* drop because of BD not ready */
 739         u8 res0[0x8];
 740         u32 mismatchdrop;       /* drop because of MAC filtering (e.g. address
 741                                    or type mismatch) */
 742         u32 underpkts;          /* total frames less than 64 octets */
 743         u32 pkts256;            /* total frames (including bad) between 256 and
 744                                    511 octets */
 745         u32 pkts512;            /* total frames (including bad) between 512 and
 746                                    1023 octets */
 747         u32 pkts1024;           /* total frames (including bad) between 1024
 748                                    and 1518 octets */
 749         u32 pktsjumbo;          /* total frames (including bad) between 1024
 750                                    and MAXLength octets */
 751         u32 frlossinmacer;      /* frames lost because of internal MAC error
 752                                    that is not counted in any other counter */
 753         u32 pausefr;            /* pause frames */
 754         u8 res1[0x4];
 755         u32 removevlan;         /* total frames that had their VLAN tag removed
 756                                  */
 757         u32 replacevlan;        /* total frames that had their VLAN tag
 758                                    replaced */
 759         u32 insertvlan;         /* total frames that had their VLAN tag
 760                                    inserted */
 761 } __attribute__ ((packed));
 762
 763 /* GETH hardware statistics structure, used when calling
 764    UCC_GETH_GetStatistics. */
 765 struct ucc_geth_hardware_statistics {
 766         u32 tx64;               /* Total number of frames (including bad
 767                                    frames) transmitted that were exactly of the
 768                                    minimal length (64 for un tagged, 68 for
 769                                    tagged, or with length exactly equal to the
 770                                    parameter MINLength */
 771         u32 tx127;              /* Total number of frames (including bad
 772                                    frames) transmitted that were between
 773                                    MINLength (Including FCS length==4) and 127
 774                                    octets */
 775         u32 tx255;              /* Total number of frames (including bad
 776                                    frames) transmitted that were between 128
 777                                    (Including FCS length==4) and 255 octets */
 778         u32 rx64;               /* Total number of frames received including
 779                                    bad frames that were exactly of the mninimal
 780                                    length (64 bytes) */
 781         u32 rx127;              /* Total number of frames (including bad
 782                                    frames) received that were between MINLength
 783                                    (Including FCS length==4) and 127 octets */
 784         u32 rx255;              /* Total number of frames (including bad
 785                                    frames) received that were between 128
 786                                    (Including FCS length==4) and 255 octets */
 787         u32 txok;               /* Total number of octets residing in frames
 788                                    that where involved in succesfull
 789                                    transmission */
 790         u16 txcf;               /* Total number of PAUSE control frames
 791                                    transmitted by this MAC */
 792         u32 tmca;               /* Total number of frames that were transmitted
 793                                    succesfully with the group address bit set
 794                                    that are not broadcast frames */
 795         u32 tbca;               /* Total number of frames transmitted
 796                                    succesfully that had destination address
 797                                    field equal to the broadcast address */
 798         u32 rxfok;              /* Total number of frames received OK */
 799         u32 rxbok;              /* Total number of octets received OK */
 800         u32 rbyt;               /* Total number of octets received including
 801                                    octets in bad frames. Must be implemented in
 802                                    HW because it includes octets in frames that
 803                                    never even reach the UCC */
 804         u32 rmca;               /* Total number of frames that were received
 805                                    succesfully with the group address bit set
 806                                    that are not broadcast frames */
 807         u32 rbca;               /* Total number of frames received succesfully
 808                                    that had destination address equal to the
 809                                    broadcast address */
 810 } __attribute__ ((packed));
 811
 812 /* UCC GETH Tx errors returned via TxConf callback */
 813 #define TX_ERRORS_DEF      0x0200
 814 #define TX_ERRORS_EXDEF    0x0100
 815 #define TX_ERRORS_LC       0x0080
 816 #define TX_ERRORS_RL       0x0040
 817 #define TX_ERRORS_RC_MASK  0x003C
 818 #define TX_ERRORS_RC_SHIFT 2
 819 #define TX_ERRORS_UN       0x0002
 820 #define TX_ERRORS_CSL      0x0001
 821
 822 /* UCC GETH Rx errors returned via RxStore callback */
 823 #define RX_ERRORS_CMR      0x0200
 824 #define RX_ERRORS_M        0x0100
 825 #define RX_ERRORS_BC       0x0080
 826 #define RX_ERRORS_MC       0x0040
 827
 828 /* Transmit BD. These are in addition to values defined in uccf. */
 829 #define T_VID      0x003c0000   /* insert VLAN id index mask. */
 830 #define T_DEF      (((u32) TX_ERRORS_DEF     ) << 16)
 831 #define T_EXDEF    (((u32) TX_ERRORS_EXDEF   ) << 16)
 832 #define T_LC       (((u32) TX_ERRORS_LC      ) << 16)
 833 #define T_RL       (((u32) TX_ERRORS_RL      ) << 16)
 834 #define T_RC_MASK  (((u32) TX_ERRORS_RC_MASK ) << 16)
 835 #define T_UN       (((u32) TX_ERRORS_UN      ) << 16)
 836 #define T_CSL      (((u32) TX_ERRORS_CSL     ) << 16)
 837 #define T_ERRORS_REPORT  (T_DEF | T_EXDEF | T_LC | T_RL | T_RC_MASK \
 838                 | T_UN | T_CSL) /* transmit errors to report */
 839
 840 /* Receive BD. These are in addition to values defined in uccf. */
 841 #define R_LG    0x00200000      /* Frame length violation.  */
 842 #define R_NO    0x00100000      /* Non-octet aligned frame.  */
 843 #define R_SH    0x00080000      /* Short frame.  */
 844 #define R_CR    0x00040000      /* CRC error.  */
 845 #define R_OV    0x00020000      /* Overrun.  */
 846 #define R_IPCH  0x00010000      /* IP checksum check failed. */
 847 #define R_CMR   (((u32) RX_ERRORS_CMR  ) << 16)
 848 #define R_M     (((u32) RX_ERRORS_M    ) << 16)
 849 #define R_BC    (((u32) RX_ERRORS_BC   ) << 16)
 850 #define R_MC    (((u32) RX_ERRORS_MC   ) << 16)
 851 #define R_ERRORS_REPORT (R_CMR | R_M | R_BC | R_MC)     /* receive errors to
 852                                                            report */
 853 #define R_ERRORS_FATAL  (R_LG  | R_NO | R_SH | R_CR | \
 854                 R_OV | R_IPCH)  /* receive errors to discard */
 855
 856 /* Alignments */
 857 #define UCC_GETH_RX_GLOBAL_PRAM_ALIGNMENT       256
 858 #define UCC_GETH_TX_GLOBAL_PRAM_ALIGNMENT       128
 859 #define UCC_GETH_THREAD_RX_PRAM_ALIGNMENT       128
 860 #define UCC_GETH_THREAD_TX_PRAM_ALIGNMENT       64
 861 #define UCC_GETH_THREAD_DATA_ALIGNMENT          256     /* spec gives values
 862                                                            based on num of
 863                                                            threads, but always
 864                                                            using the maximum is
 865                                                            easier */
 866 #define UCC_GETH_SEND_QUEUE_QUEUE_DESCRIPTOR_ALIGNMENT  32
 867 #define UCC_GETH_SCHEDULER_ALIGNMENT            4       /* This is a guess */
 868 #define UCC_GETH_TX_STATISTICS_ALIGNMENT        4       /* This is a guess */
 869 #define UCC_GETH_RX_STATISTICS_ALIGNMENT        4       /* This is a guess */
 870 #define UCC_GETH_RX_INTERRUPT_COALESCING_ALIGNMENT      64
 871 #define UCC_GETH_RX_BD_QUEUES_ALIGNMENT         8       /* This is a guess */
 872 #define UCC_GETH_RX_PREFETCHED_BDS_ALIGNMENT    128     /* This is a guess */
 873 #define UCC_GETH_RX_EXTENDED_FILTERING_GLOBAL_PARAMETERS_ALIGNMENT 4    /* This
 874                                                                            is a
 875                                                                            guess
 876                                                                          */
 877 #define UCC_GETH_RX_BD_RING_ALIGNMENT           32
 878 #define UCC_GETH_TX_BD_RING_ALIGNMENT           32
 879 #define UCC_GETH_MRBLR_ALIGNMENT                128
 880 #define UCC_GETH_RX_BD_RING_SIZE_ALIGNMENT      4
 881 #define UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT       32
 882 #define UCC_GETH_RX_DATA_BUF_ALIGNMENT          64
 883
 884 #define UCC_GETH_TAD_EF                         0x80
 885 #define UCC_GETH_TAD_V                          0x40
 886 #define UCC_GETH_TAD_REJ                        0x20
 887 #define UCC_GETH_TAD_VTAG_OP_RIGHT_SHIFT        2
 888 #define UCC_GETH_TAD_VTAG_OP_SHIFT              6
 889 #define UCC_GETH_TAD_V_NON_VTAG_OP              0x20
 890 #define UCC_GETH_TAD_RQOS_SHIFT                 0
 891 #define UCC_GETH_TAD_V_PRIORITY_SHIFT           5
 892 #define UCC_GETH_TAD_CFI                        0x10
 893
 894 #define UCC_GETH_VLAN_PRIORITY_MAX              8
 895 #define UCC_GETH_IP_PRIORITY_MAX                64
 896 #define UCC_GETH_TX_VTAG_TABLE_ENTRY_MAX        8
 897 #define UCC_GETH_RX_BD_RING_SIZE_MIN            8
 898 #define UCC_GETH_TX_BD_RING_SIZE_MIN            2
 899
 900 #define UCC_GETH_SIZE_OF_BD                     QE_SIZEOF_BD
 901
 902 /* Driver definitions */
 903 #define TX_BD_RING_LEN                          0x10
 904 #define RX_BD_RING_LEN                          0x10
 905 #define UCC_GETH_DEV_WEIGHT                     TX_BD_RING_LEN
 906
 907 #define TX_RING_MOD_MASK(size)                  (size-1)
 908 #define RX_RING_MOD_MASK(size)                  (size-1)
 909
 910 #define ENET_NUM_OCTETS_PER_ADDRESS             6
 911 #define ENET_GROUP_ADDR                         0x01    /* Group address mask
 912                                                            for ethernet
 913                                                            addresses */
 914
 915 #define TX_TIMEOUT                              (1*HZ)
 916 #define SKB_ALLOC_TIMEOUT                       100000
 917 #define PHY_INIT_TIMEOUT                        100000
 918 #define PHY_CHANGE_TIME                         2
 919
 920 /* Fast Ethernet (10/100 Mbps) */
 921 #define UCC_GETH_URFS_INIT                      512     /* Rx virtual FIFO size
 922                                                          */
 923 #define UCC_GETH_URFET_INIT                     256     /* 1/2 urfs */
 924 #define UCC_GETH_URFSET_INIT                    384     /* 3/4 urfs */
 925 #define UCC_GETH_UTFS_INIT                      512     /* Tx virtual FIFO size
 926                                                          */
 927 #define UCC_GETH_UTFET_INIT                     256     /* 1/2 utfs */
 928 #define UCC_GETH_UTFTT_INIT                     128
 929 /* Gigabit Ethernet (1000 Mbps) */
 930 #define UCC_GETH_URFS_GIGA_INIT                 4096/*2048*/    /* Rx virtual
 931                                                                    FIFO size */
 932 #define UCC_GETH_URFET_GIGA_INIT                2048/*1024*/    /* 1/2 urfs */
 933 #define UCC_GETH_URFSET_GIGA_INIT               3072/*1536*/    /* 3/4 urfs */
 934 #define UCC_GETH_UTFS_GIGA_INIT                 8192/*2048*/    /* Tx virtual
 935                                                                    FIFO size */
 936 #define UCC_GETH_UTFET_GIGA_INIT                4096/*1024*/    /* 1/2 utfs */
 937 #define UCC_GETH_UTFTT_GIGA_INIT                0x400/*0x40*/   /* */
 938
 939 #define UCC_GETH_REMODER_INIT                   0       /* bits that must be
 940                                                            set */
 941 #define UCC_GETH_TEMODER_INIT                   0xC000  /* bits that must */
 942 #define UCC_GETH_UPSMR_INIT                     (UPSMR_RES1)    /* Start value
 943                                                                    for this
 944                                                                    register */
 945 #define UCC_GETH_MACCFG1_INIT                   0
 946 #define UCC_GETH_MACCFG2_INIT                   (MACCFG2_RESERVED_1)
 947
 948 /* Ethernet Address Type. */
 949 enum enet_addr_type {
 950         ENET_ADDR_TYPE_INDIVIDUAL,
 951         ENET_ADDR_TYPE_GROUP,
 952         ENET_ADDR_TYPE_BROADCAST
 953 };
 954
 955 /* UCC GETH 82xx Ethernet Address Recognition Location */
 956 enum ucc_geth_enet_address_recognition_location {
 957         UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_STATION_ADDRESS,/* station
 958                                                                       address */
 959         UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_PADDR_FIRST, /* additional
 960                                                                    station
 961                                                                    address
 962                                                                    paddr1 */
 963         UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_PADDR2,      /* additional
 964                                                                    station
 965                                                                    address
 966                                                                    paddr2 */
 967         UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_PADDR3,      /* additional
 968                                                                    station
 969                                                                    address
 970                                                                    paddr3 */
 971         UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_PADDR_LAST,  /* additional
 972                                                                    station
 973                                                                    address
 974                                                                    paddr4 */
 975         UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_GROUP_HASH,  /* group hash */
 976         UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_INDIVIDUAL_HASH /* individual
 977                                                                       hash */
 978 };
 979
 980 /* UCC GETH vlan operation tagged */
 981 enum ucc_geth_vlan_operation_tagged {
 982         UCC_GETH_VLAN_OPERATION_TAGGED_NOP = 0x0,       /* Tagged - nop */
 983         UCC_GETH_VLAN_OPERATION_TAGGED_REPLACE_VID_PORTION_OF_Q_TAG
 984                 = 0x1,  /* Tagged - replace vid portion of q tag */
 985         UCC_GETH_VLAN_OPERATION_TAGGED_IF_VID0_REPLACE_VID_WITH_DEFAULT_VALUE
 986                 = 0x2,  /* Tagged - if vid0 replace vid with default value  */
 987         UCC_GETH_VLAN_OPERATION_TAGGED_EXTRACT_Q_TAG_FROM_FRAME
 988                 = 0x3   /* Tagged - extract q tag from frame */
 989 };
 990
 991 /* UCC GETH vlan operation non-tagged */
 992 enum ucc_geth_vlan_operation_non_tagged {
 993         UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP = 0x0,   /* Non tagged - nop */
 994         UCC_GETH_VLAN_OPERATION_NON_TAGGED_Q_TAG_INSERT = 0x1   /* Non tagged -
 995                                                                    q tag insert
 996                                                                  */
 997 };
 998
 999 /* UCC GETH Rx Quality of Service Mode */
1000 enum ucc_geth_qos_mode {
1001         UCC_GETH_QOS_MODE_DEFAULT = 0x0,        /* default queue */
1002         UCC_GETH_QOS_MODE_QUEUE_NUM_FROM_L2_CRITERIA = 0x1,     /* queue
1003                                                                    determined
1004                                                                    by L2
1005                                                                    criteria */
1006         UCC_GETH_QOS_MODE_QUEUE_NUM_FROM_L3_CRITERIA = 0x2      /* queue
1007                                                                    determined
1008                                                                    by L3
1009                                                                    criteria */
1010 };
1011
1012 /* UCC GETH Statistics Gathering Mode - These are bit flags, 'or' them together
1013    for combined functionality */
1014 enum ucc_geth_statistics_gathering_mode {
1015         UCC_GETH_STATISTICS_GATHERING_MODE_NONE = 0x00000000,   /* No
1016                                                                    statistics
1017                                                                    gathering */
1018         UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE = 0x00000001,/* Enable
1019                                                                     hardware
1020                                                                     statistics
1021                                                                     gathering
1022                                                                   */
1023         UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX = 0x00000004,/*Enable
1024                                                                       firmware
1025                                                                       tx
1026                                                                       statistics
1027                                                                       gathering
1028                                                                      */
1029         UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX = 0x00000008/* Enable
1030                                                                       firmware
1031                                                                       rx
1032                                                                       statistics
1033                                                                       gathering
1034                                                                     */
1035 };
1036
1037 /* UCC GETH Pad and CRC Mode - Note, Padding without CRC is not possible */
1038 enum ucc_geth_maccfg2_pad_and_crc_mode {
1039         UCC_GETH_PAD_AND_CRC_MODE_NONE
1040                 = MACCFG2_PAD_AND_CRC_MODE_NONE,        /* Neither Padding
1041                                                            short frames
1042                                                            nor CRC */
1043         UCC_GETH_PAD_AND_CRC_MODE_CRC_ONLY
1044                 = MACCFG2_PAD_AND_CRC_MODE_CRC_ONLY,    /* Append
1045                                                            CRC only */
1046         UCC_GETH_PAD_AND_CRC_MODE_PAD_AND_CRC =
1047             MACCFG2_PAD_AND_CRC_MODE_PAD_AND_CRC
1048 };
1049
1050 /* UCC GETH upsmr Flow Control Mode */
1051 enum ucc_geth_flow_control_mode {
1052         UPSMR_AUTOMATIC_FLOW_CONTROL_MODE_NONE = 0x00000000,    /* No automatic
1053                                                                    flow control
1054                                                                  */
1055         UPSMR_AUTOMATIC_FLOW_CONTROL_MODE_PAUSE_WHEN_EMERGENCY
1056                 = 0x00004000    /* Send pause frame when RxFIFO reaches its
1057                                    emergency threshold */
1058 };
1059
1060 /* UCC GETH number of threads */
1061 enum ucc_geth_num_of_threads {
1062         UCC_GETH_NUM_OF_THREADS_1 = 0x1,        /* 1 */
1063         UCC_GETH_NUM_OF_THREADS_2 = 0x2,        /* 2 */
1064         UCC_GETH_NUM_OF_THREADS_4 = 0x0,        /* 4 */
1065         UCC_GETH_NUM_OF_THREADS_6 = 0x3,        /* 6 */
1066         UCC_GETH_NUM_OF_THREADS_8 = 0x4 /* 8 */
1067 };
1068
1069 /* UCC GETH number of station addresses */
1070 enum ucc_geth_num_of_station_addresses {
1071         UCC_GETH_NUM_OF_STATION_ADDRESSES_1,    /* 1 */
1072         UCC_GETH_NUM_OF_STATION_ADDRESSES_5     /* 5 */
1073 };
1074
1075 /* UCC GETH 82xx Ethernet Address Container */
1076 struct enet_addr_container {
1077         u8 address[ENET_NUM_OCTETS_PER_ADDRESS];        /* ethernet address */
1078         enum ucc_geth_enet_address_recognition_location location;       /* location in
1079                                                                    82xx address
1080                                                                    recognition
1081                                                                    hardware */
1082         struct list_head node;
1083 };
1084
1085 #define ENET_ADDR_CONT_ENTRY(ptr) list_entry(ptr, struct enet_addr_container, node)
1086
1087 /* UCC GETH Termination Action Descriptor (TAD) structure. */
1088 struct ucc_geth_tad_params {
1089         int rx_non_dynamic_extended_features_mode;
1090         int reject_frame;
1091         enum ucc_geth_vlan_operation_tagged vtag_op;
1092         enum ucc_geth_vlan_operation_non_tagged vnontag_op;
1093         enum ucc_geth_qos_mode rqos;
1094         u8 vpri;
1095         u16 vid;
1096 };
1097
1098 /* GETH protocol initialization structure */
1099 struct ucc_geth_info {
1100         struct ucc_fast_info uf_info;
1101         u8 numQueuesTx;
1102         u8 numQueuesRx;
1103         int ipCheckSumCheck;
1104         int ipCheckSumGenerate;
1105         int rxExtendedFiltering;
1106         u32 extendedFilteringChainPointer;
1107         u16 typeorlen;
1108         int dynamicMaxFrameLength;
1109         int dynamicMinFrameLength;
1110         u8 nonBackToBackIfgPart1;
1111         u8 nonBackToBackIfgPart2;
1112         u8 miminumInterFrameGapEnforcement;
1113         u8 backToBackInterFrameGap;
1114         int ipAddressAlignment;
1115         int lengthCheckRx;
1116         u32 mblinterval;
1117         u16 nortsrbytetime;
1118         u8 fracsiz;
1119         u8 strictpriorityq;
1120         u8 txasap;
1121         u8 extrabw;
1122         int miiPreambleSupress;
1123         u8 altBebTruncation;
1124         int altBeb;
1125         int backPressureNoBackoff;
1126         int noBackoff;
1127         int excessDefer;
1128         u8 maxRetransmission;
1129         u8 collisionWindow;
1130         int pro;
1131         int cap;
1132         int rsh;
1133         int rlpb;
1134         int cam;
1135         int bro;
1136         int ecm;
1137         int receiveFlowControl;
1138         u8 maxGroupAddrInHash;
1139         u8 maxIndAddrInHash;
1140         u8 prel;
1141         u16 maxFrameLength;
1142         u16 minFrameLength;
1143         u16 maxD1Length;
1144         u16 maxD2Length;
1145         u16 vlantype;
1146         u16 vlantci;
1147         u32 ecamptr;
1148         u32 eventRegMask;
1149         u16 pausePeriod;
1150         u16 extensionField;
1151         u8 phy_address;
1152         u32 mdio_bus;
1153         u8 weightfactor[NUM_TX_QUEUES];
1154         u8 interruptcoalescingmaxvalue[NUM_RX_QUEUES];
1155         u8 l2qt[UCC_GETH_VLAN_PRIORITY_MAX];
1156         u8 l3qt[UCC_GETH_IP_PRIORITY_MAX];
1157         u32 vtagtable[UCC_GETH_TX_VTAG_TABLE_ENTRY_MAX];
1158         u8 iphoffset[TX_IP_OFFSET_ENTRY_MAX];
1159         u16 bdRingLenTx[NUM_TX_QUEUES];
1160         u16 bdRingLenRx[NUM_RX_QUEUES];
1161         enum ucc_geth_num_of_station_addresses numStationAddresses;
1162         enum qe_fltr_largest_external_tbl_lookup_key_size
1163             largestexternallookupkeysize;
1164         enum ucc_geth_statistics_gathering_mode statisticsMode;
1165         enum ucc_geth_vlan_operation_tagged vlanOperationTagged;
1166         enum ucc_geth_vlan_operation_non_tagged vlanOperationNonTagged;
1167         enum ucc_geth_qos_mode rxQoSMode;
1168         enum ucc_geth_flow_control_mode aufc;
1169         enum ucc_geth_maccfg2_pad_and_crc_mode padAndCrc;
1170         enum ucc_geth_num_of_threads numThreadsTx;
1171         enum ucc_geth_num_of_threads numThreadsRx;
1172         enum qe_risc_allocation riscTx;
1173         enum qe_risc_allocation riscRx;
1174 };
1175
1176 /* structure representing UCC GETH */
1177 struct ucc_geth_private {
1178         struct ucc_geth_info *ug_info;
1179         struct ucc_fast_private *uccf;
1180         struct net_device *dev;
1181         struct net_device_stats stats;  /* linux network statistics */
1182         struct ucc_geth *ug_regs;
1183         struct ucc_geth_init_pram *p_init_enet_param_shadow;
1184         struct ucc_geth_exf_global_pram *p_exf_glbl_param;
1185         u32 exf_glbl_param_offset;
1186         struct ucc_geth_rx_global_pram *p_rx_glbl_pram;
1187         u32 rx_glbl_pram_offset;
1188         struct ucc_geth_tx_global_pram *p_tx_glbl_pram;
1189         u32 tx_glbl_pram_offset;
1190         struct ucc_geth_send_queue_mem_region *p_send_q_mem_reg;
1191         u32 send_q_mem_reg_offset;
1192         struct ucc_geth_thread_data_tx *p_thread_data_tx;
1193         u32 thread_dat_tx_offset;
1194         struct ucc_geth_thread_data_rx *p_thread_data_rx;
1195         u32 thread_dat_rx_offset;
1196         struct ucc_geth_scheduler *p_scheduler;
1197         u32 scheduler_offset;
1198         struct ucc_geth_tx_firmware_statistics_pram *p_tx_fw_statistics_pram;
1199         u32 tx_fw_statistics_pram_offset;
1200         struct ucc_geth_rx_firmware_statistics_pram *p_rx_fw_statistics_pram;
1201         u32 rx_fw_statistics_pram_offset;
1202         struct ucc_geth_rx_interrupt_coalescing_table *p_rx_irq_coalescing_tbl;
1203         u32 rx_irq_coalescing_tbl_offset;
1204         struct ucc_geth_rx_bd_queues_entry *p_rx_bd_qs_tbl;
1205         u32 rx_bd_qs_tbl_offset;
1206         u8 *p_tx_bd_ring[NUM_TX_QUEUES];
1207         u32 tx_bd_ring_offset[NUM_TX_QUEUES];
1208         u8 *p_rx_bd_ring[NUM_RX_QUEUES];
1209         u32 rx_bd_ring_offset[NUM_RX_QUEUES];
1210         u8 *confBd[NUM_TX_QUEUES];
1211         u8 *txBd[NUM_TX_QUEUES];
1212         u8 *rxBd[NUM_RX_QUEUES];
1213         int badFrame[NUM_RX_QUEUES];
1214         u16 cpucount[NUM_TX_QUEUES];
1215         volatile u16 *p_cpucount[NUM_TX_QUEUES];
1216         int indAddrRegUsed[NUM_OF_PADDRS];
1217         u8 paddr[NUM_OF_PADDRS][ENET_NUM_OCTETS_PER_ADDRESS];   /* ethernet address */
1218         u8 numGroupAddrInHash;
1219         u8 numIndAddrInHash;
1220         u8 numIndAddrInReg;
1221         int rx_extended_features;
1222         int rx_non_dynamic_extended_features;
1223         struct list_head conf_skbs;
1224         struct list_head group_hash_q;
1225         struct list_head ind_hash_q;
1226         u32 saved_uccm;
1227         spinlock_t lock;
1228         /* pointers to arrays of skbuffs for tx and rx */
1229         struct sk_buff **tx_skbuff[NUM_TX_QUEUES];
1230         struct sk_buff **rx_skbuff[NUM_RX_QUEUES];
1231         /* indices pointing to the next free sbk in skb arrays */
1232         u16 skb_curtx[NUM_TX_QUEUES];
1233         u16 skb_currx[NUM_RX_QUEUES];
1234         /* index of the first skb which hasn't been transmitted yet. */
1235         u16 skb_dirtytx[NUM_TX_QUEUES];
1236
1237         struct ugeth_mii_info *mii_info;
1238         struct phy_device *phydev;
1239         phy_interface_t phy_interface;
1240         int max_speed;
1241         uint32_t msg_enable;
1242         int oldspeed;
1243         int oldduplex;
1244         int oldlink;
1245 };
1246
1247 #endif                          /* __UCC_GETH_H__ */