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

   1 /*
   2  * Copyright (C) Freescale Semicondutor, Inc. 2006-2009. 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 /* TBI MDIO register bit fields*/
 197 #define TBISR_LSTATUS          0x0004
 198 #define TBICON_CLK_SELECT       0x0020
 199 #define TBIANA_ASYMMETRIC_PAUSE 0x0100
 200 #define TBIANA_SYMMETRIC_PAUSE  0x0080
 201 #define TBIANA_HALF_DUPLEX      0x0040
 202 #define TBIANA_FULL_DUPLEX      0x0020
 203 #define TBICR_PHY_RESET         0x8000
 204 #define TBICR_ANEG_ENABLE       0x1000
 205 #define TBICR_RESTART_ANEG      0x0200
 206 #define TBICR_FULL_DUPLEX       0x0100
 207 #define TBICR_SPEED1_SET        0x0040
 208
 209 #define TBIANA_SETTINGS ( \
 210                 TBIANA_ASYMMETRIC_PAUSE \
 211                 | TBIANA_SYMMETRIC_PAUSE \
 212                 | TBIANA_FULL_DUPLEX \
 213                 )
 214 #define TBICR_SETTINGS ( \
 215                 TBICR_PHY_RESET \
 216                 | TBICR_ANEG_ENABLE \
 217                 | TBICR_FULL_DUPLEX \
 218                 | TBICR_SPEED1_SET \
 219                 )
 220
 221 /* UCC GETH MACCFG1 (MAC Configuration 1 Register) */
 222 #define MACCFG1_FLOW_RX                         0x00000020      /* Flow Control
 223                                                                    Rx */
 224 #define MACCFG1_FLOW_TX                         0x00000010      /* Flow Control
 225                                                                    Tx */
 226 #define MACCFG1_ENABLE_SYNCHED_RX               0x00000008      /* Rx Enable
 227                                                                    synchronized
 228                                                                    to Rx stream
 229                                                                  */
 230 #define MACCFG1_ENABLE_RX                       0x00000004      /* Enable Rx */
 231 #define MACCFG1_ENABLE_SYNCHED_TX               0x00000002      /* Tx Enable
 232                                                                    synchronized
 233                                                                    to Tx stream
 234                                                                  */
 235 #define MACCFG1_ENABLE_TX                       0x00000001      /* Enable Tx */
 236
 237 /* UCC GETH MACCFG2 (MAC Configuration 2 Register) */
 238 #define MACCFG2_PREL_SHIFT                      (31 - 19)       /* Preamble
 239                                                                    Length <<
 240                                                                    shift */
 241 #define MACCFG2_PREL_MASK                       0x0000f000      /* Preamble
 242                                                                    Length mask */
 243 #define MACCFG2_SRP                             0x00000080      /* Soft Receive
 244                                                                    Preamble */
 245 #define MACCFG2_STP                             0x00000040      /* Soft
 246                                                                    Transmit
 247                                                                    Preamble */
 248 #define MACCFG2_RESERVED_1                      0x00000020      /* Reserved -
 249                                                                    must be set
 250                                                                    to 1 */
 251 #define MACCFG2_LC                              0x00000010      /* Length Check
 252                                                                  */
 253 #define MACCFG2_MPE                             0x00000008      /* Magic packet
 254                                                                    detect */
 255 #define MACCFG2_FDX                             0x00000001      /* Full Duplex */
 256 #define MACCFG2_FDX_MASK                        0x00000001      /* Full Duplex
 257                                                                    mask */
 258 #define MACCFG2_PAD_CRC                         0x00000004
 259 #define MACCFG2_CRC_EN                          0x00000002
 260 #define MACCFG2_PAD_AND_CRC_MODE_NONE           0x00000000      /* Neither
 261                                                                    Padding
 262                                                                    short frames
 263                                                                    nor CRC */
 264 #define MACCFG2_PAD_AND_CRC_MODE_CRC_ONLY       0x00000002      /* Append CRC
 265                                                                    only */
 266 #define MACCFG2_PAD_AND_CRC_MODE_PAD_AND_CRC    0x00000004
 267 #define MACCFG2_INTERFACE_MODE_NIBBLE           0x00000100      /* nibble mode
 268                                                                    (MII/RMII/RGMII
 269                                                                    10/100bps) */
 270 #define MACCFG2_INTERFACE_MODE_BYTE             0x00000200      /* byte mode
 271                                                                    (GMII/TBI/RTB/RGMII
 272                                                                    1000bps ) */
 273 #define MACCFG2_INTERFACE_MODE_MASK             0x00000300      /* mask
 274                                                                    covering all
 275                                                                    relevant
 276                                                                    bits */
 277
 278 /* UCC GETH IPGIFG (Inter-frame Gap / Inter-Frame Gap Register) */
 279 #define IPGIFG_NON_BACK_TO_BACK_IFG_PART1_SHIFT (31 -  7)       /* Non
 280                                                                    back-to-back
 281                                                                    inter frame
 282                                                                    gap part 1.
 283                                                                    << shift */
 284 #define IPGIFG_NON_BACK_TO_BACK_IFG_PART2_SHIFT (31 - 15)       /* Non
 285                                                                    back-to-back
 286                                                                    inter frame
 287                                                                    gap part 2.
 288                                                                    << shift */
 289 #define IPGIFG_MINIMUM_IFG_ENFORCEMENT_SHIFT    (31 - 23)       /* Mimimum IFG
 290                                                                    Enforcement
 291                                                                    << shift */
 292 #define IPGIFG_BACK_TO_BACK_IFG_SHIFT           (31 - 31)       /* back-to-back
 293                                                                    inter frame
 294                                                                    gap << shift
 295                                                                  */
 296 #define IPGIFG_NON_BACK_TO_BACK_IFG_PART1_MAX   127     /* Non back-to-back
 297                                                            inter frame gap part
 298                                                            1. max val */
 299 #define IPGIFG_NON_BACK_TO_BACK_IFG_PART2_MAX   127     /* Non back-to-back
 300                                                            inter frame gap part
 301                                                            2. max val */
 302 #define IPGIFG_MINIMUM_IFG_ENFORCEMENT_MAX      255     /* Mimimum IFG
 303                                                            Enforcement max val */
 304 #define IPGIFG_BACK_TO_BACK_IFG_MAX             127     /* back-to-back inter
 305                                                            frame gap max val */
 306 #define IPGIFG_NBTB_CS_IPG_MASK                 0x7F000000
 307 #define IPGIFG_NBTB_IPG_MASK                    0x007F0000
 308 #define IPGIFG_MIN_IFG_MASK                     0x0000FF00
 309 #define IPGIFG_BTB_IPG_MASK                     0x0000007F
 310
 311 /* UCC GETH HAFDUP (Half Duplex Register) */
 312 #define HALFDUP_ALT_BEB_TRUNCATION_SHIFT        (31 - 11)       /* Alternate
 313                                                                    Binary
 314                                                                    Exponential
 315                                                                    Backoff
 316                                                                    Truncation
 317                                                                    << shift */
 318 #define HALFDUP_ALT_BEB_TRUNCATION_MAX          0xf     /* Alternate Binary
 319                                                            Exponential Backoff
 320                                                            Truncation max val */
 321 #define HALFDUP_ALT_BEB                         0x00080000      /* Alternate
 322                                                                    Binary
 323                                                                    Exponential
 324                                                                    Backoff */
 325 #define HALFDUP_BACK_PRESSURE_NO_BACKOFF        0x00040000      /* Back
 326                                                                    pressure no
 327                                                                    backoff */
 328 #define HALFDUP_NO_BACKOFF                      0x00020000      /* No Backoff */
 329 #define HALFDUP_EXCESSIVE_DEFER                 0x00010000      /* Excessive
 330                                                                    Defer */
 331 #define HALFDUP_MAX_RETRANSMISSION_SHIFT        (31 - 19)       /* Maximum
 332                                                                    Retransmission
 333                                                                    << shift */
 334 #define HALFDUP_MAX_RETRANSMISSION_MAX          0xf     /* Maximum
 335                                                            Retransmission max
 336                                                            val */
 337 #define HALFDUP_COLLISION_WINDOW_SHIFT          (31 - 31)       /* Collision
 338                                                                    Window <<
 339                                                                    shift */
 340 #define HALFDUP_COLLISION_WINDOW_MAX            0x3f    /* Collision Window max
 341                                                            val */
 342 #define HALFDUP_ALT_BEB_TR_MASK                 0x00F00000
 343 #define HALFDUP_RETRANS_MASK                    0x0000F000
 344 #define HALFDUP_COL_WINDOW_MASK                 0x0000003F
 345
 346 /* UCC GETH UCCS (Ethernet Status Register) */
 347 #define UCCS_BPR                                0x02    /* Back pressure (in
 348                                                            half duplex mode) */
 349 #define UCCS_PAU                                0x02    /* Pause state (in full
 350                                                            duplex mode) */
 351 #define UCCS_MPD                                0x01    /* Magic Packet
 352                                                            Detected */
 353
 354 /* UCC GETH IFSTAT (Interface Status Register) */
 355 #define IFSTAT_EXCESS_DEFER                     0x00000200      /* Excessive
 356                                                                    transmission
 357                                                                    defer */
 358
 359 /* UCC GETH MACSTNADDR1 (Station Address Part 1 Register) */
 360 #define MACSTNADDR1_OCTET_6_SHIFT               (31 -  7)       /* Station
 361                                                                    address 6th
 362                                                                    octet <<
 363                                                                    shift */
 364 #define MACSTNADDR1_OCTET_5_SHIFT               (31 - 15)       /* Station
 365                                                                    address 5th
 366                                                                    octet <<
 367                                                                    shift */
 368 #define MACSTNADDR1_OCTET_4_SHIFT               (31 - 23)       /* Station
 369                                                                    address 4th
 370                                                                    octet <<
 371                                                                    shift */
 372 #define MACSTNADDR1_OCTET_3_SHIFT               (31 - 31)       /* Station
 373                                                                    address 3rd
 374                                                                    octet <<
 375                                                                    shift */
 376
 377 /* UCC GETH MACSTNADDR2 (Station Address Part 2 Register) */
 378 #define MACSTNADDR2_OCTET_2_SHIFT               (31 -  7)       /* Station
 379                                                                    address 2nd
 380                                                                    octet <<
 381                                                                    shift */
 382 #define MACSTNADDR2_OCTET_1_SHIFT               (31 - 15)       /* Station
 383                                                                    address 1st
 384                                                                    octet <<
 385                                                                    shift */
 386
 387 /* UCC GETH UEMPR (Ethernet Mac Parameter Register) */
 388 #define UEMPR_PAUSE_TIME_VALUE_SHIFT            (31 - 15)       /* Pause time
 389                                                                    value <<
 390                                                                    shift */
 391 #define UEMPR_EXTENDED_PAUSE_TIME_VALUE_SHIFT   (31 - 31)       /* Extended
 392                                                                    pause time
 393                                                                    value <<
 394                                                                    shift */
 395
 396 /* UCC GETH UTBIPAR (Ten Bit Interface Physical Address Register) */
 397 #define UTBIPAR_PHY_ADDRESS_SHIFT               (31 - 31)       /* Phy address
 398                                                                    << shift */
 399 #define UTBIPAR_PHY_ADDRESS_MASK                0x0000001f      /* Phy address
 400                                                                    mask */
 401
 402 /* UCC GETH UESCR (Ethernet Statistics Control Register) */
 403 #define UESCR_AUTOZ                             0x8000  /* Automatically zero
 404                                                            addressed
 405                                                            statistical counter
 406                                                            values */
 407 #define UESCR_CLRCNT                            0x4000  /* Clear all statistics
 408                                                            counters */
 409 #define UESCR_MAXCOV_SHIFT                      (15 -  7)       /* Max
 410                                                                    Coalescing
 411                                                                    Value <<
 412                                                                    shift */
 413 #define UESCR_SCOV_SHIFT                        (15 - 15)       /* Status
 414                                                                    Coalescing
 415                                                                    Value <<
 416                                                                    shift */
 417
 418 /* UCC GETH UDSR (Data Synchronization Register) */
 419 #define UDSR_MAGIC                              0x067E
 420
 421 struct ucc_geth_thread_data_tx {
 422         u8 res0[104];
 423 } __attribute__ ((packed));
 424
 425 struct ucc_geth_thread_data_rx {
 426         u8 res0[40];
 427 } __attribute__ ((packed));
 428
 429 /* Send Queue Queue-Descriptor */
 430 struct ucc_geth_send_queue_qd {
 431         u32 bd_ring_base;       /* pointer to BD ring base address */
 432         u8 res0[0x8];
 433         u32 last_bd_completed_address;/* initialize to last entry in BD ring */
 434         u8 res1[0x30];
 435 } __attribute__ ((packed));
 436
 437 struct ucc_geth_send_queue_mem_region {
 438         struct ucc_geth_send_queue_qd sqqd[NUM_TX_QUEUES];
 439 } __attribute__ ((packed));
 440
 441 struct ucc_geth_thread_tx_pram {
 442         u8 res0[64];
 443 } __attribute__ ((packed));
 444
 445 struct ucc_geth_thread_rx_pram {
 446         u8 res0[128];
 447 } __attribute__ ((packed));
 448
 449 #define THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING        64
 450 #define THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_8      64
 451 #define THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_16     96
 452
 453 struct ucc_geth_scheduler {
 454         u16 cpucount0;          /* CPU packet counter */
 455         u16 cpucount1;          /* CPU packet counter */
 456         u16 cecount0;           /* QE packet counter */
 457         u16 cecount1;           /* QE packet counter */
 458         u16 cpucount2;          /* CPU packet counter */
 459         u16 cpucount3;          /* CPU packet counter */
 460         u16 cecount2;           /* QE packet counter */
 461         u16 cecount3;           /* QE packet counter */
 462         u16 cpucount4;          /* CPU packet counter */
 463         u16 cpucount5;          /* CPU packet counter */
 464         u16 cecount4;           /* QE packet counter */
 465         u16 cecount5;           /* QE packet counter */
 466         u16 cpucount6;          /* CPU packet counter */
 467         u16 cpucount7;          /* CPU packet counter */
 468         u16 cecount6;           /* QE packet counter */
 469         u16 cecount7;           /* QE packet counter */
 470         u32 weightstatus[NUM_TX_QUEUES];        /* accumulated weight factor */
 471         u32 rtsrshadow;         /* temporary variable handled by QE */
 472         u32 time;               /* temporary variable handled by QE */
 473         u32 ttl;                /* temporary variable handled by QE */
 474         u32 mblinterval;        /* max burst length interval */
 475         u16 nortsrbytetime;     /* normalized value of byte time in tsr units */
 476         u8 fracsiz;             /* radix 2 log value of denom. of
 477                                    NorTSRByteTime */
 478         u8 res0[1];
 479         u8 strictpriorityq;     /* Strict Priority Mask register */
 480         u8 txasap;              /* Transmit ASAP register */
 481         u8 extrabw;             /* Extra BandWidth register */
 482         u8 oldwfqmask;          /* temporary variable handled by QE */
 483         u8 weightfactor[NUM_TX_QUEUES];
 484                                       /**< weight factor for queues   */
 485         u32 minw;               /* temporary variable handled by QE */
 486         u8 res1[0x70 - 0x64];
 487 } __attribute__ ((packed));
 488
 489 struct ucc_geth_tx_firmware_statistics_pram {
 490         u32 sicoltx;            /* single collision */
 491         u32 mulcoltx;           /* multiple collision */
 492         u32 latecoltxfr;        /* late collision */
 493         u32 frabortduecol;      /* frames aborted due to transmit collision */
 494         u32 frlostinmactxer;    /* frames lost due to internal MAC error
 495                                    transmission that are not counted on any
 496                                    other counter */
 497         u32 carriersenseertx;   /* carrier sense error */
 498         u32 frtxok;             /* frames transmitted OK */
 499         u32 txfrexcessivedefer; /* frames with defferal time greater than
 500                                    specified threshold */
 501         u32 txpkts256;          /* total packets (including bad) between 256
 502                                    and 511 octets */
 503         u32 txpkts512;          /* total packets (including bad) between 512
 504                                    and 1023 octets */
 505         u32 txpkts1024;         /* total packets (including bad) between 1024
 506                                    and 1518 octets */
 507         u32 txpktsjumbo;        /* total packets (including bad) between 1024
 508                                    and MAXLength octets */
 509 } __attribute__ ((packed));
 510
 511 struct ucc_geth_rx_firmware_statistics_pram {
 512         u32 frrxfcser;          /* frames with crc error */
 513         u32 fraligner;          /* frames with alignment error */
 514         u32 inrangelenrxer;     /* in range length error */
 515         u32 outrangelenrxer;    /* out of range length error */
 516         u32 frtoolong;          /* frame too long */
 517         u32 runt;               /* runt */
 518         u32 verylongevent;      /* very long event */
 519         u32 symbolerror;        /* symbol error */
 520         u32 dropbsy;            /* drop because of BD not ready */
 521         u8 res0[0x8];
 522         u32 mismatchdrop;       /* drop because of MAC filtering (e.g. address
 523                                    or type mismatch) */
 524         u32 underpkts;          /* total frames less than 64 octets */
 525         u32 pkts256;            /* total frames (including bad) between 256 and
 526                                    511 octets */
 527         u32 pkts512;            /* total frames (including bad) between 512 and
 528                                    1023 octets */
 529         u32 pkts1024;           /* total frames (including bad) between 1024
 530                                    and 1518 octets */
 531         u32 pktsjumbo;          /* total frames (including bad) between 1024
 532                                    and MAXLength octets */
 533         u32 frlossinmacer;      /* frames lost because of internal MAC error
 534                                    that is not counted in any other counter */
 535         u32 pausefr;            /* pause frames */
 536         u8 res1[0x4];
 537         u32 removevlan;         /* total frames that had their VLAN tag removed
 538                                  */
 539         u32 replacevlan;        /* total frames that had their VLAN tag
 540                                    replaced */
 541         u32 insertvlan;         /* total frames that had their VLAN tag
 542                                    inserted */
 543 } __attribute__ ((packed));
 544
 545 struct ucc_geth_rx_interrupt_coalescing_entry {
 546         u32 interruptcoalescingmaxvalue;        /* interrupt coalescing max
 547                                                    value */
 548         u32 interruptcoalescingcounter; /* interrupt coalescing counter,
 549                                            initialize to
 550                                            interruptcoalescingmaxvalue */
 551 } __attribute__ ((packed));
 552
 553 struct ucc_geth_rx_interrupt_coalescing_table {
 554         struct ucc_geth_rx_interrupt_coalescing_entry coalescingentry[NUM_RX_QUEUES];
 555                                        /**< interrupt coalescing entry */
 556 } __attribute__ ((packed));
 557
 558 struct ucc_geth_rx_prefetched_bds {
 559         struct qe_bd bd[NUM_BDS_IN_PREFETCHED_BDS];     /* prefetched bd */
 560 } __attribute__ ((packed));
 561
 562 struct ucc_geth_rx_bd_queues_entry {
 563         u32 bdbaseptr;          /* BD base pointer */
 564         u32 bdptr;              /* BD pointer */
 565         u32 externalbdbaseptr;  /* external BD base pointer */
 566         u32 externalbdptr;      /* external BD pointer */
 567 } __attribute__ ((packed));
 568
 569 struct ucc_geth_tx_global_pram {
 570         u16 temoder;
 571         u8 res0[0x38 - 0x02];
 572         u32 sqptr;              /* a base pointer to send queue memory region */
 573         u32 schedulerbasepointer;       /* a base pointer to scheduler memory
 574                                            region */
 575         u32 txrmonbaseptr;      /* base pointer to Tx RMON statistics counter */
 576         u32 tstate;             /* tx internal state. High byte contains
 577                                    function code */
 578         u8 iphoffset[TX_IP_OFFSET_ENTRY_MAX];
 579         u32 vtagtable[0x8];     /* 8 4-byte VLAN tags */
 580         u32 tqptr;              /* a base pointer to the Tx Queues Memory
 581                                    Region */
 582         u8 res2[0x80 - 0x74];
 583 } __attribute__ ((packed));
 584
 585 /* structure representing Extended Filtering Global Parameters in PRAM */
 586 struct ucc_geth_exf_global_pram {
 587         u32 l2pcdptr;           /* individual address filter, high */
 588         u8 res0[0x10 - 0x04];
 589 } __attribute__ ((packed));
 590
 591 struct ucc_geth_rx_global_pram {
 592         u32 remoder;            /* ethernet mode reg. */
 593         u32 rqptr;              /* base pointer to the Rx Queues Memory Region*/
 594         u32 res0[0x1];
 595         u8 res1[0x20 - 0xC];
 596         u16 typeorlen;          /* cutoff point less than which, type/len field
 597                                    is considered length */
 598         u8 res2[0x1];
 599         u8 rxgstpack;           /* acknowledgement on GRACEFUL STOP RX command*/
 600         u32 rxrmonbaseptr;      /* base pointer to Rx RMON statistics counter */
 601         u8 res3[0x30 - 0x28];
 602         u32 intcoalescingptr;   /* Interrupt coalescing table pointer */
 603         u8 res4[0x36 - 0x34];
 604         u8 rstate;              /* rx internal state. High byte contains
 605                                    function code */
 606         u8 res5[0x46 - 0x37];
 607         u16 mrblr;              /* max receive buffer length reg. */
 608         u32 rbdqptr;            /* base pointer to RxBD parameter table
 609                                    description */
 610         u16 mflr;               /* max frame length reg. */
 611         u16 minflr;             /* min frame length reg. */
 612         u16 maxd1;              /* max dma1 length reg. */
 613         u16 maxd2;              /* max dma2 length reg. */
 614         u32 ecamptr;            /* external CAM address */
 615         u32 l2qt;               /* VLAN priority mapping table. */
 616         u32 l3qt[0x8];          /* IP priority mapping table. */
 617         u16 vlantype;           /* vlan type */
 618         u16 vlantci;            /* default vlan tci */
 619         u8 addressfiltering[64];        /* address filtering data structure */
 620         u32 exfGlobalParam;     /* base address for extended filtering global
 621                                    parameters */
 622         u8 res6[0x100 - 0xC4];  /* Initialize to zero */
 623 } __attribute__ ((packed));
 624
 625 #define GRACEFUL_STOP_ACKNOWLEDGE_RX            0x01
 626
 627 /* structure representing InitEnet command */
 628 struct ucc_geth_init_pram {
 629         u8 resinit1;
 630         u8 resinit2;
 631         u8 resinit3;
 632         u8 resinit4;
 633         u16 resinit5;
 634         u8 res1[0x1];
 635         u8 largestexternallookupkeysize;
 636         u32 rgftgfrxglobal;
 637         u32 rxthread[ENET_INIT_PARAM_MAX_ENTRIES_RX];   /* rx threads */
 638         u8 res2[0x38 - 0x30];
 639         u32 txglobal;           /* tx global */
 640         u32 txthread[ENET_INIT_PARAM_MAX_ENTRIES_TX];   /* tx threads */
 641         u8 res3[0x1];
 642 } __attribute__ ((packed));
 643
 644 #define ENET_INIT_PARAM_RGF_SHIFT               (32 - 4)
 645 #define ENET_INIT_PARAM_TGF_SHIFT               (32 - 8)
 646
 647 #define ENET_INIT_PARAM_RISC_MASK               0x0000003f
 648 #define ENET_INIT_PARAM_PTR_MASK                0x00ffffc0
 649 #define ENET_INIT_PARAM_SNUM_MASK               0xff000000
 650 #define ENET_INIT_PARAM_SNUM_SHIFT              24
 651
 652 #define ENET_INIT_PARAM_MAGIC_RES_INIT1         0x06
 653 #define ENET_INIT_PARAM_MAGIC_RES_INIT2         0x30
 654 #define ENET_INIT_PARAM_MAGIC_RES_INIT3         0xff
 655 #define ENET_INIT_PARAM_MAGIC_RES_INIT4         0x00
 656 #define ENET_INIT_PARAM_MAGIC_RES_INIT5         0x0400
 657
 658 /* structure representing 82xx Address Filtering Enet Address in PRAM */
 659 struct ucc_geth_82xx_enet_address {
 660         u8 res1[0x2];
 661         u16 h;                  /* address (MSB) */
 662         u16 m;                  /* address */
 663         u16 l;                  /* address (LSB) */
 664 } __attribute__ ((packed));
 665
 666 /* structure representing 82xx Address Filtering PRAM */
 667 struct ucc_geth_82xx_address_filtering_pram {
 668         u32 iaddr_h;            /* individual address filter, high */
 669         u32 iaddr_l;            /* individual address filter, low */
 670         u32 gaddr_h;            /* group address filter, high */
 671         u32 gaddr_l;            /* group address filter, low */
 672         struct ucc_geth_82xx_enet_address __iomem taddr;
 673         struct ucc_geth_82xx_enet_address __iomem paddr[NUM_OF_PADDRS];
 674         u8 res0[0x40 - 0x38];
 675 } __attribute__ ((packed));
 676
 677 /* GETH Tx firmware statistics structure, used when calling
 678    UCC_GETH_GetStatistics. */
 679 struct ucc_geth_tx_firmware_statistics {
 680         u32 sicoltx;            /* single collision */
 681         u32 mulcoltx;           /* multiple collision */
 682         u32 latecoltxfr;        /* late collision */
 683         u32 frabortduecol;      /* frames aborted due to transmit collision */
 684         u32 frlostinmactxer;    /* frames lost due to internal MAC error
 685                                    transmission that are not counted on any
 686                                    other counter */
 687         u32 carriersenseertx;   /* carrier sense error */
 688         u32 frtxok;             /* frames transmitted OK */
 689         u32 txfrexcessivedefer; /* frames with defferal time greater than
 690                                    specified threshold */
 691         u32 txpkts256;          /* total packets (including bad) between 256
 692                                    and 511 octets */
 693         u32 txpkts512;          /* total packets (including bad) between 512
 694                                    and 1023 octets */
 695         u32 txpkts1024;         /* total packets (including bad) between 1024
 696                                    and 1518 octets */
 697         u32 txpktsjumbo;        /* total packets (including bad) between 1024
 698                                    and MAXLength octets */
 699 } __attribute__ ((packed));
 700
 701 /* GETH Rx firmware statistics structure, used when calling
 702    UCC_GETH_GetStatistics. */
 703 struct ucc_geth_rx_firmware_statistics {
 704         u32 frrxfcser;          /* frames with crc error */
 705         u32 fraligner;          /* frames with alignment error */
 706         u32 inrangelenrxer;     /* in range length error */
 707         u32 outrangelenrxer;    /* out of range length error */
 708         u32 frtoolong;          /* frame too long */
 709         u32 runt;               /* runt */
 710         u32 verylongevent;      /* very long event */
 711         u32 symbolerror;        /* symbol error */
 712         u32 dropbsy;            /* drop because of BD not ready */
 713         u8 res0[0x8];
 714         u32 mismatchdrop;       /* drop because of MAC filtering (e.g. address
 715                                    or type mismatch) */
 716         u32 underpkts;          /* total frames less than 64 octets */
 717         u32 pkts256;            /* total frames (including bad) between 256 and
 718                                    511 octets */
 719         u32 pkts512;            /* total frames (including bad) between 512 and
 720                                    1023 octets */
 721         u32 pkts1024;           /* total frames (including bad) between 1024
 722                                    and 1518 octets */
 723         u32 pktsjumbo;          /* total frames (including bad) between 1024
 724                                    and MAXLength octets */
 725         u32 frlossinmacer;      /* frames lost because of internal MAC error
 726                                    that is not counted in any other counter */
 727         u32 pausefr;            /* pause frames */
 728         u8 res1[0x4];
 729         u32 removevlan;         /* total frames that had their VLAN tag removed
 730                                  */
 731         u32 replacevlan;        /* total frames that had their VLAN tag
 732                                    replaced */
 733         u32 insertvlan;         /* total frames that had their VLAN tag
 734                                    inserted */
 735 } __attribute__ ((packed));
 736
 737 /* GETH hardware statistics structure, used when calling
 738    UCC_GETH_GetStatistics. */
 739 struct ucc_geth_hardware_statistics {
 740         u32 tx64;               /* Total number of frames (including bad
 741                                    frames) transmitted that were exactly of the
 742                                    minimal length (64 for un tagged, 68 for
 743                                    tagged, or with length exactly equal to the
 744                                    parameter MINLength */
 745         u32 tx127;              /* Total number of frames (including bad
 746                                    frames) transmitted that were between
 747                                    MINLength (Including FCS length==4) and 127
 748                                    octets */
 749         u32 tx255;              /* Total number of frames (including bad
 750                                    frames) transmitted that were between 128
 751                                    (Including FCS length==4) and 255 octets */
 752         u32 rx64;               /* Total number of frames received including
 753                                    bad frames that were exactly of the mninimal
 754                                    length (64 bytes) */
 755         u32 rx127;              /* Total number of frames (including bad
 756                                    frames) received that were between MINLength
 757                                    (Including FCS length==4) and 127 octets */
 758         u32 rx255;              /* Total number of frames (including bad
 759                                    frames) received that were between 128
 760                                    (Including FCS length==4) and 255 octets */
 761         u32 txok;               /* Total number of octets residing in frames
 762                                    that where involved in succesfull
 763                                    transmission */
 764         u16 txcf;               /* Total number of PAUSE control frames
 765                                    transmitted by this MAC */
 766         u32 tmca;               /* Total number of frames that were transmitted
 767                                    succesfully with the group address bit set
 768                                    that are not broadcast frames */
 769         u32 tbca;               /* Total number of frames transmitted
 770                                    succesfully that had destination address
 771                                    field equal to the broadcast address */
 772         u32 rxfok;              /* Total number of frames received OK */
 773         u32 rxbok;              /* Total number of octets received OK */
 774         u32 rbyt;               /* Total number of octets received including
 775                                    octets in bad frames. Must be implemented in
 776                                    HW because it includes octets in frames that
 777                                    never even reach the UCC */
 778         u32 rmca;               /* Total number of frames that were received
 779                                    succesfully with the group address bit set
 780                                    that are not broadcast frames */
 781         u32 rbca;               /* Total number of frames received succesfully
 782                                    that had destination address equal to the
 783                                    broadcast address */
 784 } __attribute__ ((packed));
 785
 786 /* UCC GETH Tx errors returned via TxConf callback */
 787 #define TX_ERRORS_DEF      0x0200
 788 #define TX_ERRORS_EXDEF    0x0100
 789 #define TX_ERRORS_LC       0x0080
 790 #define TX_ERRORS_RL       0x0040
 791 #define TX_ERRORS_RC_MASK  0x003C
 792 #define TX_ERRORS_RC_SHIFT 2
 793 #define TX_ERRORS_UN       0x0002
 794 #define TX_ERRORS_CSL      0x0001
 795
 796 /* UCC GETH Rx errors returned via RxStore callback */
 797 #define RX_ERRORS_CMR      0x0200
 798 #define RX_ERRORS_M        0x0100
 799 #define RX_ERRORS_BC       0x0080
 800 #define RX_ERRORS_MC       0x0040
 801
 802 /* Transmit BD. These are in addition to values defined in uccf. */
 803 #define T_VID      0x003c0000   /* insert VLAN id index mask. */
 804 #define T_DEF      (((u32) TX_ERRORS_DEF     ) << 16)
 805 #define T_EXDEF    (((u32) TX_ERRORS_EXDEF   ) << 16)
 806 #define T_LC       (((u32) TX_ERRORS_LC      ) << 16)
 807 #define T_RL       (((u32) TX_ERRORS_RL      ) << 16)
 808 #define T_RC_MASK  (((u32) TX_ERRORS_RC_MASK ) << 16)
 809 #define T_UN       (((u32) TX_ERRORS_UN      ) << 16)
 810 #define T_CSL      (((u32) TX_ERRORS_CSL     ) << 16)
 811 #define T_ERRORS_REPORT  (T_DEF | T_EXDEF | T_LC | T_RL | T_RC_MASK \
 812                 | T_UN | T_CSL) /* transmit errors to report */
 813
 814 /* Receive BD. These are in addition to values defined in uccf. */
 815 #define R_LG    0x00200000      /* Frame length violation.  */
 816 #define R_NO    0x00100000      /* Non-octet aligned frame.  */
 817 #define R_SH    0x00080000      /* Short frame.  */
 818 #define R_CR    0x00040000      /* CRC error.  */
 819 #define R_OV    0x00020000      /* Overrun.  */
 820 #define R_IPCH  0x00010000      /* IP checksum check failed. */
 821 #define R_CMR   (((u32) RX_ERRORS_CMR  ) << 16)
 822 #define R_M     (((u32) RX_ERRORS_M    ) << 16)
 823 #define R_BC    (((u32) RX_ERRORS_BC   ) << 16)
 824 #define R_MC    (((u32) RX_ERRORS_MC   ) << 16)
 825 #define R_ERRORS_REPORT (R_CMR | R_M | R_BC | R_MC)     /* receive errors to
 826                                                            report */
 827 #define R_ERRORS_FATAL  (R_LG  | R_NO | R_SH | R_CR | \
 828                 R_OV | R_IPCH)  /* receive errors to discard */
 829
 830 /* Alignments */
 831 #define UCC_GETH_RX_GLOBAL_PRAM_ALIGNMENT       256
 832 #define UCC_GETH_TX_GLOBAL_PRAM_ALIGNMENT       128
 833 #define UCC_GETH_THREAD_RX_PRAM_ALIGNMENT       128
 834 #define UCC_GETH_THREAD_TX_PRAM_ALIGNMENT       64
 835 #define UCC_GETH_THREAD_DATA_ALIGNMENT          256     /* spec gives values
 836                                                            based on num of
 837                                                            threads, but always
 838                                                            using the maximum is
 839                                                            easier */
 840 #define UCC_GETH_SEND_QUEUE_QUEUE_DESCRIPTOR_ALIGNMENT  32
 841 #define UCC_GETH_SCHEDULER_ALIGNMENT            4       /* This is a guess */
 842 #define UCC_GETH_TX_STATISTICS_ALIGNMENT        4       /* This is a guess */
 843 #define UCC_GETH_RX_STATISTICS_ALIGNMENT        4       /* This is a guess */
 844 #define UCC_GETH_RX_INTERRUPT_COALESCING_ALIGNMENT      64
 845 #define UCC_GETH_RX_BD_QUEUES_ALIGNMENT         8       /* This is a guess */
 846 #define UCC_GETH_RX_PREFETCHED_BDS_ALIGNMENT    128     /* This is a guess */
 847 #define UCC_GETH_RX_EXTENDED_FILTERING_GLOBAL_PARAMETERS_ALIGNMENT 4    /* This
 848                                                                            is a
 849                                                                            guess
 850                                                                          */
 851 #define UCC_GETH_RX_BD_RING_ALIGNMENT           32
 852 #define UCC_GETH_TX_BD_RING_ALIGNMENT           32
 853 #define UCC_GETH_MRBLR_ALIGNMENT                128
 854 #define UCC_GETH_RX_BD_RING_SIZE_ALIGNMENT      4
 855 #define UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT       32
 856 #define UCC_GETH_RX_DATA_BUF_ALIGNMENT          64
 857
 858 #define UCC_GETH_TAD_EF                         0x80
 859 #define UCC_GETH_TAD_V                          0x40
 860 #define UCC_GETH_TAD_REJ                        0x20
 861 #define UCC_GETH_TAD_VTAG_OP_RIGHT_SHIFT        2
 862 #define UCC_GETH_TAD_VTAG_OP_SHIFT              6
 863 #define UCC_GETH_TAD_V_NON_VTAG_OP              0x20
 864 #define UCC_GETH_TAD_RQOS_SHIFT                 0
 865 #define UCC_GETH_TAD_V_PRIORITY_SHIFT           5
 866 #define UCC_GETH_TAD_CFI                        0x10
 867
 868 #define UCC_GETH_VLAN_PRIORITY_MAX              8
 869 #define UCC_GETH_IP_PRIORITY_MAX                64
 870 #define UCC_GETH_TX_VTAG_TABLE_ENTRY_MAX        8
 871 #define UCC_GETH_RX_BD_RING_SIZE_MIN            8
 872 #define UCC_GETH_TX_BD_RING_SIZE_MIN            2
 873 #define UCC_GETH_BD_RING_SIZE_MAX               0xffff
 874
 875 #define UCC_GETH_SIZE_OF_BD                     QE_SIZEOF_BD
 876
 877 /* Driver definitions */
 878 #define TX_BD_RING_LEN                          0x10
 879 #define RX_BD_RING_LEN                          0x10
 880
 881 #define TX_RING_MOD_MASK(size)                  (size-1)
 882 #define RX_RING_MOD_MASK(size)                  (size-1)
 883
 884 #define ENET_NUM_OCTETS_PER_ADDRESS             6
 885 #define ENET_GROUP_ADDR                         0x01    /* Group address mask
 886                                                            for ethernet
 887                                                            addresses */
 888
 889 #define TX_TIMEOUT                              (1*HZ)
 890 #define SKB_ALLOC_TIMEOUT                       100000
 891 #define PHY_INIT_TIMEOUT                        100000
 892 #define PHY_CHANGE_TIME                         2
 893
 894 /* Fast Ethernet (10/100 Mbps) */
 895 #define UCC_GETH_URFS_INIT                      512     /* Rx virtual FIFO size
 896                                                          */
 897 #define UCC_GETH_URFET_INIT                     256     /* 1/2 urfs */
 898 #define UCC_GETH_URFSET_INIT                    384     /* 3/4 urfs */
 899 #define UCC_GETH_UTFS_INIT                      512     /* Tx virtual FIFO size
 900                                                          */
 901 #define UCC_GETH_UTFET_INIT                     256     /* 1/2 utfs */
 902 #define UCC_GETH_UTFTT_INIT                     128
 903 /* Gigabit Ethernet (1000 Mbps) */
 904 #define UCC_GETH_URFS_GIGA_INIT                 4096/*2048*/    /* Rx virtual
 905                                                                    FIFO size */
 906 #define UCC_GETH_URFET_GIGA_INIT                2048/*1024*/    /* 1/2 urfs */
 907 #define UCC_GETH_URFSET_GIGA_INIT               3072/*1536*/    /* 3/4 urfs */
 908 #define UCC_GETH_UTFS_GIGA_INIT                 8192/*2048*/    /* Tx virtual
 909                                                                    FIFO size */
 910 #define UCC_GETH_UTFET_GIGA_INIT                4096/*1024*/    /* 1/2 utfs */
 911 #define UCC_GETH_UTFTT_GIGA_INIT                0x400/*0x40*/   /* */
 912
 913 #define UCC_GETH_REMODER_INIT                   0       /* bits that must be
 914                                                            set */
 915 #define UCC_GETH_TEMODER_INIT                   0xC000  /* bits that must */
 916
 917 /* Initial value for UPSMR */
 918 #define UCC_GETH_UPSMR_INIT                     UCC_GETH_UPSMR_RES1
 919
 920 #define UCC_GETH_MACCFG1_INIT                   0
 921 #define UCC_GETH_MACCFG2_INIT                   (MACCFG2_RESERVED_1)
 922
 923 /* Ethernet Address Type. */
 924 enum enet_addr_type {
 925         ENET_ADDR_TYPE_INDIVIDUAL,
 926         ENET_ADDR_TYPE_GROUP,
 927         ENET_ADDR_TYPE_BROADCAST
 928 };
 929
 930 /* UCC GETH 82xx Ethernet Address Recognition Location */
 931 enum ucc_geth_enet_address_recognition_location {
 932         UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_STATION_ADDRESS,/* station
 933                                                                       address */
 934         UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_PADDR_FIRST, /* additional
 935                                                                    station
 936                                                                    address
 937                                                                    paddr1 */
 938         UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_PADDR2,      /* additional
 939                                                                    station
 940                                                                    address
 941                                                                    paddr2 */
 942         UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_PADDR3,      /* additional
 943                                                                    station
 944                                                                    address
 945                                                                    paddr3 */
 946         UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_PADDR_LAST,  /* additional
 947                                                                    station
 948                                                                    address
 949                                                                    paddr4 */
 950         UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_GROUP_HASH,  /* group hash */
 951         UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_INDIVIDUAL_HASH /* individual
 952                                                                       hash */
 953 };
 954
 955 /* UCC GETH vlan operation tagged */
 956 enum ucc_geth_vlan_operation_tagged {
 957         UCC_GETH_VLAN_OPERATION_TAGGED_NOP = 0x0,       /* Tagged - nop */
 958         UCC_GETH_VLAN_OPERATION_TAGGED_REPLACE_VID_PORTION_OF_Q_TAG
 959                 = 0x1,  /* Tagged - replace vid portion of q tag */
 960         UCC_GETH_VLAN_OPERATION_TAGGED_IF_VID0_REPLACE_VID_WITH_DEFAULT_VALUE
 961                 = 0x2,  /* Tagged - if vid0 replace vid with default value  */
 962         UCC_GETH_VLAN_OPERATION_TAGGED_EXTRACT_Q_TAG_FROM_FRAME
 963                 = 0x3   /* Tagged - extract q tag from frame */
 964 };
 965
 966 /* UCC GETH vlan operation non-tagged */
 967 enum ucc_geth_vlan_operation_non_tagged {
 968         UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP = 0x0,   /* Non tagged - nop */
 969         UCC_GETH_VLAN_OPERATION_NON_TAGGED_Q_TAG_INSERT = 0x1   /* Non tagged -
 970                                                                    q tag insert
 971                                                                  */
 972 };
 973
 974 /* UCC GETH Rx Quality of Service Mode */
 975 enum ucc_geth_qos_mode {
 976         UCC_GETH_QOS_MODE_DEFAULT = 0x0,        /* default queue */
 977         UCC_GETH_QOS_MODE_QUEUE_NUM_FROM_L2_CRITERIA = 0x1,     /* queue
 978                                                                    determined
 979                                                                    by L2
 980                                                                    criteria */
 981         UCC_GETH_QOS_MODE_QUEUE_NUM_FROM_L3_CRITERIA = 0x2      /* queue
 982                                                                    determined
 983                                                                    by L3
 984                                                                    criteria */
 985 };
 986
 987 /* UCC GETH Statistics Gathering Mode - These are bit flags, 'or' them together
 988    for combined functionality */
 989 enum ucc_geth_statistics_gathering_mode {
 990         UCC_GETH_STATISTICS_GATHERING_MODE_NONE = 0x00000000,   /* No
 991                                                                    statistics
 992                                                                    gathering */
 993         UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE = 0x00000001,/* Enable
 994                                                                     hardware
 995                                                                     statistics
 996                                                                     gathering
 997                                                                   */
 998         UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX = 0x00000004,/*Enable
 999                                                                       firmware
1000                                                                       tx
1001                                                                       statistics
1002                                                                       gathering
1003                                                                      */
1004         UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX = 0x00000008/* Enable
1005                                                                       firmware
1006                                                                       rx
1007                                                                       statistics
1008                                                                       gathering
1009                                                                     */
1010 };
1011
1012 /* UCC GETH Pad and CRC Mode - Note, Padding without CRC is not possible */
1013 enum ucc_geth_maccfg2_pad_and_crc_mode {
1014         UCC_GETH_PAD_AND_CRC_MODE_NONE
1015                 = MACCFG2_PAD_AND_CRC_MODE_NONE,        /* Neither Padding
1016                                                            short frames
1017                                                            nor CRC */
1018         UCC_GETH_PAD_AND_CRC_MODE_CRC_ONLY
1019                 = MACCFG2_PAD_AND_CRC_MODE_CRC_ONLY,    /* Append
1020                                                            CRC only */
1021         UCC_GETH_PAD_AND_CRC_MODE_PAD_AND_CRC =
1022             MACCFG2_PAD_AND_CRC_MODE_PAD_AND_CRC
1023 };
1024
1025 /* UCC GETH upsmr Flow Control Mode */
1026 enum ucc_geth_flow_control_mode {
1027         UPSMR_AUTOMATIC_FLOW_CONTROL_MODE_NONE = 0x00000000,    /* No automatic
1028                                                                    flow control
1029                                                                  */
1030         UPSMR_AUTOMATIC_FLOW_CONTROL_MODE_PAUSE_WHEN_EMERGENCY
1031                 = 0x00004000    /* Send pause frame when RxFIFO reaches its
1032                                    emergency threshold */
1033 };
1034
1035 /* UCC GETH number of threads */
1036 enum ucc_geth_num_of_threads {
1037         UCC_GETH_NUM_OF_THREADS_1 = 0x1,        /* 1 */
1038         UCC_GETH_NUM_OF_THREADS_2 = 0x2,        /* 2 */
1039         UCC_GETH_NUM_OF_THREADS_4 = 0x0,        /* 4 */
1040         UCC_GETH_NUM_OF_THREADS_6 = 0x3,        /* 6 */
1041         UCC_GETH_NUM_OF_THREADS_8 = 0x4 /* 8 */
1042 };
1043
1044 /* UCC GETH number of station addresses */
1045 enum ucc_geth_num_of_station_addresses {
1046         UCC_GETH_NUM_OF_STATION_ADDRESSES_1,    /* 1 */
1047         UCC_GETH_NUM_OF_STATION_ADDRESSES_5     /* 5 */
1048 };
1049
1050 /* UCC GETH 82xx Ethernet Address Container */
1051 struct enet_addr_container {
1052         u8 address[ENET_NUM_OCTETS_PER_ADDRESS];        /* ethernet address */
1053         enum ucc_geth_enet_address_recognition_location location;       /* location in
1054                                                                    82xx address
1055                                                                    recognition
1056                                                                    hardware */
1057         struct list_head node;
1058 };
1059
1060 #define ENET_ADDR_CONT_ENTRY(ptr) list_entry(ptr, struct enet_addr_container, node)
1061
1062 /* UCC GETH Termination Action Descriptor (TAD) structure. */
1063 struct ucc_geth_tad_params {
1064         int rx_non_dynamic_extended_features_mode;
1065         int reject_frame;
1066         enum ucc_geth_vlan_operation_tagged vtag_op;
1067         enum ucc_geth_vlan_operation_non_tagged vnontag_op;
1068         enum ucc_geth_qos_mode rqos;
1069         u8 vpri;
1070         u16 vid;
1071 };
1072
1073 /* GETH protocol initialization structure */
1074 struct ucc_geth_info {
1075         struct ucc_fast_info uf_info;
1076         u8 numQueuesTx;
1077         u8 numQueuesRx;
1078         int ipCheckSumCheck;
1079         int ipCheckSumGenerate;
1080         int rxExtendedFiltering;
1081         u32 extendedFilteringChainPointer;
1082         u16 typeorlen;
1083         int dynamicMaxFrameLength;
1084         int dynamicMinFrameLength;
1085         u8 nonBackToBackIfgPart1;
1086         u8 nonBackToBackIfgPart2;
1087         u8 miminumInterFrameGapEnforcement;
1088         u8 backToBackInterFrameGap;
1089         int ipAddressAlignment;
1090         int lengthCheckRx;
1091         u32 mblinterval;
1092         u16 nortsrbytetime;
1093         u8 fracsiz;
1094         u8 strictpriorityq;
1095         u8 txasap;
1096         u8 extrabw;
1097         int miiPreambleSupress;
1098         u8 altBebTruncation;
1099         int altBeb;
1100         int backPressureNoBackoff;
1101         int noBackoff;
1102         int excessDefer;
1103         u8 maxRetransmission;
1104         u8 collisionWindow;
1105         int pro;
1106         int cap;
1107         int rsh;
1108         int rlpb;
1109         int cam;
1110         int bro;
1111         int ecm;
1112         int receiveFlowControl;
1113         int transmitFlowControl;
1114         u8 maxGroupAddrInHash;
1115         u8 maxIndAddrInHash;
1116         u8 prel;
1117         u16 maxFrameLength;
1118         u16 minFrameLength;
1119         u16 maxD1Length;
1120         u16 maxD2Length;
1121         u16 vlantype;
1122         u16 vlantci;
1123         u32 ecamptr;
1124         u32 eventRegMask;
1125         u16 pausePeriod;
1126         u16 extensionField;
1127         struct device_node *phy_node;
1128         u8 weightfactor[NUM_TX_QUEUES];
1129         u8 interruptcoalescingmaxvalue[NUM_RX_QUEUES];
1130         u8 l2qt[UCC_GETH_VLAN_PRIORITY_MAX];
1131         u8 l3qt[UCC_GETH_IP_PRIORITY_MAX];
1132         u32 vtagtable[UCC_GETH_TX_VTAG_TABLE_ENTRY_MAX];
1133         u8 iphoffset[TX_IP_OFFSET_ENTRY_MAX];
1134         u16 bdRingLenTx[NUM_TX_QUEUES];
1135         u16 bdRingLenRx[NUM_RX_QUEUES];
1136         enum ucc_geth_num_of_station_addresses numStationAddresses;
1137         enum qe_fltr_largest_external_tbl_lookup_key_size
1138             largestexternallookupkeysize;
1139         enum ucc_geth_statistics_gathering_mode statisticsMode;
1140         enum ucc_geth_vlan_operation_tagged vlanOperationTagged;
1141         enum ucc_geth_vlan_operation_non_tagged vlanOperationNonTagged;
1142         enum ucc_geth_qos_mode rxQoSMode;
1143         enum ucc_geth_flow_control_mode aufc;
1144         enum ucc_geth_maccfg2_pad_and_crc_mode padAndCrc;
1145         enum ucc_geth_num_of_threads numThreadsTx;
1146         enum ucc_geth_num_of_threads numThreadsRx;
1147         enum qe_risc_allocation riscTx;
1148         enum qe_risc_allocation riscRx;
1149 };
1150
1151 /* structure representing UCC GETH */
1152 struct ucc_geth_private {
1153         struct ucc_geth_info *ug_info;
1154         struct ucc_fast_private *uccf;
1155         struct device *dev;
1156         struct net_device *ndev;
1157         struct napi_struct napi;
1158         struct work_struct timeout_work;
1159         struct ucc_geth __iomem *ug_regs;
1160         struct ucc_geth_init_pram *p_init_enet_param_shadow;
1161         struct ucc_geth_exf_global_pram __iomem *p_exf_glbl_param;
1162         u32 exf_glbl_param_offset;
1163         struct ucc_geth_rx_global_pram __iomem *p_rx_glbl_pram;
1164         u32 rx_glbl_pram_offset;
1165         struct ucc_geth_tx_global_pram __iomem *p_tx_glbl_pram;
1166         u32 tx_glbl_pram_offset;
1167         struct ucc_geth_send_queue_mem_region __iomem *p_send_q_mem_reg;
1168         u32 send_q_mem_reg_offset;
1169         struct ucc_geth_thread_data_tx __iomem *p_thread_data_tx;
1170         u32 thread_dat_tx_offset;
1171         struct ucc_geth_thread_data_rx __iomem *p_thread_data_rx;
1172         u32 thread_dat_rx_offset;
1173         struct ucc_geth_scheduler __iomem *p_scheduler;
1174         u32 scheduler_offset;
1175         struct ucc_geth_tx_firmware_statistics_pram __iomem *p_tx_fw_statistics_pram;
1176         u32 tx_fw_statistics_pram_offset;
1177         struct ucc_geth_rx_firmware_statistics_pram __iomem *p_rx_fw_statistics_pram;
1178         u32 rx_fw_statistics_pram_offset;
1179         struct ucc_geth_rx_interrupt_coalescing_table __iomem *p_rx_irq_coalescing_tbl;
1180         u32 rx_irq_coalescing_tbl_offset;
1181         struct ucc_geth_rx_bd_queues_entry __iomem *p_rx_bd_qs_tbl;
1182         u32 rx_bd_qs_tbl_offset;
1183         u8 __iomem *p_tx_bd_ring[NUM_TX_QUEUES];
1184         u32 tx_bd_ring_offset[NUM_TX_QUEUES];
1185         u8 __iomem *p_rx_bd_ring[NUM_RX_QUEUES];
1186         u32 rx_bd_ring_offset[NUM_RX_QUEUES];
1187         u8 __iomem *confBd[NUM_TX_QUEUES];
1188         u8 __iomem *txBd[NUM_TX_QUEUES];
1189         u8 __iomem *rxBd[NUM_RX_QUEUES];
1190         int badFrame[NUM_RX_QUEUES];
1191         u16 cpucount[NUM_TX_QUEUES];
1192         u16 __iomem *p_cpucount[NUM_TX_QUEUES];
1193         int indAddrRegUsed[NUM_OF_PADDRS];
1194         u8 paddr[NUM_OF_PADDRS][ENET_NUM_OCTETS_PER_ADDRESS];   /* ethernet address */
1195         u8 numGroupAddrInHash;
1196         u8 numIndAddrInHash;
1197         u8 numIndAddrInReg;
1198         int rx_extended_features;
1199         int rx_non_dynamic_extended_features;
1200         struct list_head conf_skbs;
1201         struct list_head group_hash_q;
1202         struct list_head ind_hash_q;
1203         u32 saved_uccm;
1204         spinlock_t lock;
1205         /* pointers to arrays of skbuffs for tx and rx */
1206         struct sk_buff **tx_skbuff[NUM_TX_QUEUES];
1207         struct sk_buff **rx_skbuff[NUM_RX_QUEUES];
1208         /* indices pointing to the next free sbk in skb arrays */
1209         u16 skb_curtx[NUM_TX_QUEUES];
1210         u16 skb_currx[NUM_RX_QUEUES];
1211         /* index of the first skb which hasn't been transmitted yet. */
1212         u16 skb_dirtytx[NUM_TX_QUEUES];
1213
1214         struct ugeth_mii_info *mii_info;
1215         struct phy_device *phydev;
1216         struct phy_device *tbiphy;
1217         phy_interface_t phy_interface;
1218         int max_speed;
1219         uint32_t msg_enable;
1220         int oldspeed;
1221         int oldduplex;
1222         int oldlink;
1223
1224         struct device_node *node;
1225 };
1226
1227 void uec_set_ethtool_ops(struct net_device *netdev);
1228 int init_flow_control_params(u32 automatic_flow_control_mode,
1229                 int rx_flow_control_enable, int tx_flow_control_enable,
1230                 u16 pause_period, u16 extension_field,
1231                 u32 __iomem *upsmr_register, u32 __iomem *uempr_register,
1232                 u32 __iomem *maccfg1_register);
1233
1234
1235 #endif                          /* __UCC_GETH_H__ */