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