1/* SPDX-License-Identifier: GPL-2.0-only */ 2/* 3 * Copyright (C) 1999 - 2010 Intel Corporation. 4 * Copyright (C) 2010 OKI SEMICONDUCTOR Co., LTD. 5 * 6 * This code was derived from the Intel e1000e Linux driver. 7 */ 8 9#ifndef _PCH_GBE_H_ 10#define _PCH_GBE_H_ 11 12#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 13 14#include <linux/mii.h> 15#include <linux/delay.h> 16#include <linux/pci.h> 17#include <linux/netdevice.h> 18#include <linux/etherdevice.h> 19#include <linux/ethtool.h> 20#include <linux/vmalloc.h> 21#include <net/ip.h> 22#include <net/tcp.h> 23#include <net/udp.h> 24 25/** 26 * pch_gbe_regs_mac_adr - Structure holding values of mac address registers 27 * @high Denotes the 1st to 4th byte from the initial of MAC address 28 * @low Denotes the 5th to 6th byte from the initial of MAC address 29 */ 30struct pch_gbe_regs_mac_adr { 31 u32 high; 32 u32 low; 33}; 34/** 35 * pch_udc_regs - Structure holding values of MAC registers 36 */ 37struct pch_gbe_regs { 38 u32 INT_ST; 39 u32 INT_EN; 40 u32 MODE; 41 u32 RESET; 42 u32 TCPIP_ACC; 43 u32 EX_LIST; 44 u32 INT_ST_HOLD; 45 u32 PHY_INT_CTRL; 46 u32 MAC_RX_EN; 47 u32 RX_FCTRL; 48 u32 PAUSE_REQ; 49 u32 RX_MODE; 50 u32 TX_MODE; 51 u32 RX_FIFO_ST; 52 u32 TX_FIFO_ST; 53 u32 TX_FID; 54 u32 TX_RESULT; 55 u32 PAUSE_PKT1; 56 u32 PAUSE_PKT2; 57 u32 PAUSE_PKT3; 58 u32 PAUSE_PKT4; 59 u32 PAUSE_PKT5; 60 u32 reserve[2]; 61 struct pch_gbe_regs_mac_adr mac_adr[16]; 62 u32 ADDR_MASK; 63 u32 MIIM; 64 u32 MAC_ADDR_LOAD; 65 u32 RGMII_ST; 66 u32 RGMII_CTRL; 67 u32 reserve3[3]; 68 u32 DMA_CTRL; 69 u32 reserve4[3]; 70 u32 RX_DSC_BASE; 71 u32 RX_DSC_SIZE; 72 u32 RX_DSC_HW_P; 73 u32 RX_DSC_HW_P_HLD; 74 u32 RX_DSC_SW_P; 75 u32 reserve5[3]; 76 u32 TX_DSC_BASE; 77 u32 TX_DSC_SIZE; 78 u32 TX_DSC_HW_P; 79 u32 TX_DSC_HW_P_HLD; 80 u32 TX_DSC_SW_P; 81 u32 reserve6[3]; 82 u32 RX_DMA_ST; 83 u32 TX_DMA_ST; 84 u32 reserve7[2]; 85 u32 WOL_ST; 86 u32 WOL_CTRL; 87 u32 WOL_ADDR_MASK; 88}; 89 90/* Interrupt Status */ 91/* Interrupt Status Hold */ 92/* Interrupt Enable */ 93#define PCH_GBE_INT_RX_DMA_CMPLT 0x00000001 /* Receive DMA Transfer Complete */ 94#define PCH_GBE_INT_RX_VALID 0x00000002 /* MAC Normal Receive Complete */ 95#define PCH_GBE_INT_RX_FRAME_ERR 0x00000004 /* Receive frame error */ 96#define PCH_GBE_INT_RX_FIFO_ERR 0x00000008 /* Receive FIFO Overflow */ 97#define PCH_GBE_INT_RX_DMA_ERR 0x00000010 /* Receive DMA Transfer Error */ 98#define PCH_GBE_INT_RX_DSC_EMP 0x00000020 /* Receive Descriptor Empty */ 99#define PCH_GBE_INT_TX_CMPLT 0x00000100 /* MAC Transmission Complete */ 100#define PCH_GBE_INT_TX_DMA_CMPLT 0x00000200 /* DMA Transfer Complete */ 101#define PCH_GBE_INT_TX_FIFO_ERR 0x00000400 /* Transmission FIFO underflow. */ 102#define PCH_GBE_INT_TX_DMA_ERR 0x00000800 /* Transmission DMA Error */ 103#define PCH_GBE_INT_PAUSE_CMPLT 0x00001000 /* Pause Transmission complete */ 104#define PCH_GBE_INT_MIIM_CMPLT 0x00010000 /* MIIM I/F Read completion */ 105#define PCH_GBE_INT_PHY_INT 0x00100000 /* Interruption from PHY */ 106#define PCH_GBE_INT_WOL_DET 0x01000000 /* Wake On LAN Event detection. */ 107#define PCH_GBE_INT_TCPIP_ERR 0x10000000 /* TCP/IP Accelerator Error */ 108 109/* Mode */ 110#define PCH_GBE_MODE_MII_ETHER 0x00000000 /* GIGA Ethernet Mode [MII] */ 111#define PCH_GBE_MODE_GMII_ETHER 0x80000000 /* GIGA Ethernet Mode [GMII] */ 112#define PCH_GBE_MODE_HALF_DUPLEX 0x00000000 /* Duplex Mode [half duplex] */ 113#define PCH_GBE_MODE_FULL_DUPLEX 0x40000000 /* Duplex Mode [full duplex] */ 114#define PCH_GBE_MODE_FR_BST 0x04000000 /* Frame bursting is done */ 115 116/* Reset */ 117#define PCH_GBE_ALL_RST 0x80000000 /* All reset */ 118#define PCH_GBE_TX_RST 0x00008000 /* TX MAC, TX FIFO, TX DMA reset */ 119#define PCH_GBE_RX_RST 0x00004000 /* RX MAC, RX FIFO, RX DMA reset */ 120 121/* TCP/IP Accelerator Control */ 122#define PCH_GBE_EX_LIST_EN 0x00000008 /* External List Enable */ 123#define PCH_GBE_RX_TCPIPACC_OFF 0x00000004 /* RX TCP/IP ACC Disabled */ 124#define PCH_GBE_TX_TCPIPACC_EN 0x00000002 /* TX TCP/IP ACC Enable */ 125#define PCH_GBE_RX_TCPIPACC_EN 0x00000001 /* RX TCP/IP ACC Enable */ 126 127/* MAC RX Enable */ 128#define PCH_GBE_MRE_MAC_RX_EN 0x00000001 /* MAC Receive Enable */ 129 130/* RX Flow Control */ 131#define PCH_GBE_FL_CTRL_EN 0x80000000 /* Pause packet is enabled */ 132 133/* Pause Packet Request */ 134#define PCH_GBE_PS_PKT_RQ 0x80000000 /* Pause packet Request */ 135 136/* RX Mode */ 137#define PCH_GBE_ADD_FIL_EN 0x80000000 /* Address Filtering Enable */ 138/* Multicast Filtering Enable */ 139#define PCH_GBE_MLT_FIL_EN 0x40000000 140/* Receive Almost Empty Threshold */ 141#define PCH_GBE_RH_ALM_EMP_4 0x00000000 /* 4 words */ 142#define PCH_GBE_RH_ALM_EMP_8 0x00004000 /* 8 words */ 143#define PCH_GBE_RH_ALM_EMP_16 0x00008000 /* 16 words */ 144#define PCH_GBE_RH_ALM_EMP_32 0x0000C000 /* 32 words */ 145/* Receive Almost Full Threshold */ 146#define PCH_GBE_RH_ALM_FULL_4 0x00000000 /* 4 words */ 147#define PCH_GBE_RH_ALM_FULL_8 0x00001000 /* 8 words */ 148#define PCH_GBE_RH_ALM_FULL_16 0x00002000 /* 16 words */ 149#define PCH_GBE_RH_ALM_FULL_32 0x00003000 /* 32 words */ 150/* RX FIFO Read Trigger Threshold */ 151#define PCH_GBE_RH_RD_TRG_4 0x00000000 /* 4 words */ 152#define PCH_GBE_RH_RD_TRG_8 0x00000200 /* 8 words */ 153#define PCH_GBE_RH_RD_TRG_16 0x00000400 /* 16 words */ 154#define PCH_GBE_RH_RD_TRG_32 0x00000600 /* 32 words */ 155#define PCH_GBE_RH_RD_TRG_64 0x00000800 /* 64 words */ 156#define PCH_GBE_RH_RD_TRG_128 0x00000A00 /* 128 words */ 157#define PCH_GBE_RH_RD_TRG_256 0x00000C00 /* 256 words */ 158#define PCH_GBE_RH_RD_TRG_512 0x00000E00 /* 512 words */ 159 160/* Receive Descriptor bit definitions */ 161#define PCH_GBE_RXD_ACC_STAT_BCAST 0x00000400 162#define PCH_GBE_RXD_ACC_STAT_MCAST 0x00000200 163#define PCH_GBE_RXD_ACC_STAT_UCAST 0x00000100 164#define PCH_GBE_RXD_ACC_STAT_TCPIPOK 0x000000C0 165#define PCH_GBE_RXD_ACC_STAT_IPOK 0x00000080 166#define PCH_GBE_RXD_ACC_STAT_TCPOK 0x00000040 167#define PCH_GBE_RXD_ACC_STAT_IP6ERR 0x00000020 168#define PCH_GBE_RXD_ACC_STAT_OFLIST 0x00000010 169#define PCH_GBE_RXD_ACC_STAT_TYPEIP 0x00000008 170#define PCH_GBE_RXD_ACC_STAT_MACL 0x00000004 171#define PCH_GBE_RXD_ACC_STAT_PPPOE 0x00000002 172#define PCH_GBE_RXD_ACC_STAT_VTAGT 0x00000001 173#define PCH_GBE_RXD_GMAC_STAT_PAUSE 0x0200 174#define PCH_GBE_RXD_GMAC_STAT_MARBR 0x0100 175#define PCH_GBE_RXD_GMAC_STAT_MARMLT 0x0080 176#define PCH_GBE_RXD_GMAC_STAT_MARIND 0x0040 177#define PCH_GBE_RXD_GMAC_STAT_MARNOTMT 0x0020 178#define PCH_GBE_RXD_GMAC_STAT_TLONG 0x0010 179#define PCH_GBE_RXD_GMAC_STAT_TSHRT 0x0008 180#define PCH_GBE_RXD_GMAC_STAT_NOTOCTAL 0x0004 181#define PCH_GBE_RXD_GMAC_STAT_NBLERR 0x0002 182#define PCH_GBE_RXD_GMAC_STAT_CRCERR 0x0001 183 184/* Transmit Descriptor bit definitions */ 185#define PCH_GBE_TXD_CTRL_TCPIP_ACC_OFF 0x0008 186#define PCH_GBE_TXD_CTRL_ITAG 0x0004 187#define PCH_GBE_TXD_CTRL_ICRC 0x0002 188#define PCH_GBE_TXD_CTRL_APAD 0x0001 189#define PCH_GBE_TXD_WORDS_SHIFT 2 190#define PCH_GBE_TXD_GMAC_STAT_CMPLT 0x2000 191#define PCH_GBE_TXD_GMAC_STAT_ABT 0x1000 192#define PCH_GBE_TXD_GMAC_STAT_EXCOL 0x0800 193#define PCH_GBE_TXD_GMAC_STAT_SNGCOL 0x0400 194#define PCH_GBE_TXD_GMAC_STAT_MLTCOL 0x0200 195#define PCH_GBE_TXD_GMAC_STAT_CRSER 0x0100 196#define PCH_GBE_TXD_GMAC_STAT_TLNG 0x0080 197#define PCH_GBE_TXD_GMAC_STAT_TSHRT 0x0040 198#define PCH_GBE_TXD_GMAC_STAT_LTCOL 0x0020 199#define PCH_GBE_TXD_GMAC_STAT_TFUNDFLW 0x0010 200#define PCH_GBE_TXD_GMAC_STAT_RTYCNT_MASK 0x000F 201 202/* TX Mode */ 203#define PCH_GBE_TM_NO_RTRY 0x80000000 /* No Retransmission */ 204#define PCH_GBE_TM_LONG_PKT 0x40000000 /* Long Packt TX Enable */ 205#define PCH_GBE_TM_ST_AND_FD 0x20000000 /* Stare and Forward */ 206#define PCH_GBE_TM_SHORT_PKT 0x10000000 /* Short Packet TX Enable */ 207#define PCH_GBE_TM_LTCOL_RETX 0x08000000 /* Retransmission at Late Collision */ 208/* Frame Start Threshold */ 209#define PCH_GBE_TM_TH_TX_STRT_4 0x00000000 /* 4 words */ 210#define PCH_GBE_TM_TH_TX_STRT_8 0x00004000 /* 8 words */ 211#define PCH_GBE_TM_TH_TX_STRT_16 0x00008000 /* 16 words */ 212#define PCH_GBE_TM_TH_TX_STRT_32 0x0000C000 /* 32 words */ 213/* Transmit Almost Empty Threshold */ 214#define PCH_GBE_TM_TH_ALM_EMP_4 0x00000000 /* 4 words */ 215#define PCH_GBE_TM_TH_ALM_EMP_8 0x00000800 /* 8 words */ 216#define PCH_GBE_TM_TH_ALM_EMP_16 0x00001000 /* 16 words */ 217#define PCH_GBE_TM_TH_ALM_EMP_32 0x00001800 /* 32 words */ 218#define PCH_GBE_TM_TH_ALM_EMP_64 0x00002000 /* 64 words */ 219#define PCH_GBE_TM_TH_ALM_EMP_128 0x00002800 /* 128 words */ 220#define PCH_GBE_TM_TH_ALM_EMP_256 0x00003000 /* 256 words */ 221#define PCH_GBE_TM_TH_ALM_EMP_512 0x00003800 /* 512 words */ 222/* Transmit Almost Full Threshold */ 223#define PCH_GBE_TM_TH_ALM_FULL_4 0x00000000 /* 4 words */ 224#define PCH_GBE_TM_TH_ALM_FULL_8 0x00000200 /* 8 words */ 225#define PCH_GBE_TM_TH_ALM_FULL_16 0x00000400 /* 16 words */ 226#define PCH_GBE_TM_TH_ALM_FULL_32 0x00000600 /* 32 words */ 227 228/* RX FIFO Status */ 229#define PCH_GBE_RF_ALM_FULL 0x80000000 /* RX FIFO is almost full. */ 230#define PCH_GBE_RF_ALM_EMP 0x40000000 /* RX FIFO is almost empty. */ 231#define PCH_GBE_RF_RD_TRG 0x20000000 /* Become more than RH_RD_TRG. */ 232#define PCH_GBE_RF_STRWD 0x1FFE0000 /* The word count of RX FIFO. */ 233#define PCH_GBE_RF_RCVING 0x00010000 /* Stored in RX FIFO. */ 234 235/* MAC Address Mask */ 236#define PCH_GBE_BUSY 0x80000000 237 238/* MIIM */ 239#define PCH_GBE_MIIM_OPER_WRITE 0x04000000 240#define PCH_GBE_MIIM_OPER_READ 0x00000000 241#define PCH_GBE_MIIM_OPER_READY 0x04000000 242#define PCH_GBE_MIIM_PHY_ADDR_SHIFT 21 243#define PCH_GBE_MIIM_REG_ADDR_SHIFT 16 244 245/* RGMII Status */ 246#define PCH_GBE_LINK_UP 0x80000008 247#define PCH_GBE_RXC_SPEED_MSK 0x00000006 248#define PCH_GBE_RXC_SPEED_2_5M 0x00000000 /* 2.5MHz */ 249#define PCH_GBE_RXC_SPEED_25M 0x00000002 /* 25MHz */ 250#define PCH_GBE_RXC_SPEED_125M 0x00000004 /* 100MHz */ 251#define PCH_GBE_DUPLEX_FULL 0x00000001 252 253/* RGMII Control */ 254#define PCH_GBE_CRS_SEL 0x00000010 255#define PCH_GBE_RGMII_RATE_125M 0x00000000 256#define PCH_GBE_RGMII_RATE_25M 0x00000008 257#define PCH_GBE_RGMII_RATE_2_5M 0x0000000C 258#define PCH_GBE_RGMII_MODE_GMII 0x00000000 259#define PCH_GBE_RGMII_MODE_RGMII 0x00000002 260#define PCH_GBE_CHIP_TYPE_EXTERNAL 0x00000000 261#define PCH_GBE_CHIP_TYPE_INTERNAL 0x00000001 262 263/* DMA Control */ 264#define PCH_GBE_RX_DMA_EN 0x00000002 /* Enables Receive DMA */ 265#define PCH_GBE_TX_DMA_EN 0x00000001 /* Enables Transmission DMA */ 266 267/* RX DMA STATUS */ 268#define PCH_GBE_IDLE_CHECK 0xFFFFFFFE 269 270/* Wake On LAN Status */ 271#define PCH_GBE_WLS_BR 0x00000008 /* Broadcas Address */ 272#define PCH_GBE_WLS_MLT 0x00000004 /* Multicast Address */ 273 274/* The Frame registered in Address Recognizer */ 275#define PCH_GBE_WLS_IND 0x00000002 276#define PCH_GBE_WLS_MP 0x00000001 /* Magic packet Address */ 277 278/* Wake On LAN Control */ 279#define PCH_GBE_WLC_WOL_MODE 0x00010000 280#define PCH_GBE_WLC_IGN_TLONG 0x00000100 281#define PCH_GBE_WLC_IGN_TSHRT 0x00000080 282#define PCH_GBE_WLC_IGN_OCTER 0x00000040 283#define PCH_GBE_WLC_IGN_NBLER 0x00000020 284#define PCH_GBE_WLC_IGN_CRCER 0x00000010 285#define PCH_GBE_WLC_BR 0x00000008 286#define PCH_GBE_WLC_MLT 0x00000004 287#define PCH_GBE_WLC_IND 0x00000002 288#define PCH_GBE_WLC_MP 0x00000001 289 290/* Wake On LAN Address Mask */ 291#define PCH_GBE_WLA_BUSY 0x80000000 292 293 294 295/* TX/RX descriptor defines */ 296#define PCH_GBE_MAX_TXD 4096 297#define PCH_GBE_DEFAULT_TXD 256 298#define PCH_GBE_MIN_TXD 8 299#define PCH_GBE_MAX_RXD 4096 300#define PCH_GBE_DEFAULT_RXD 256 301#define PCH_GBE_MIN_RXD 8 302 303/* Number of Transmit and Receive Descriptors must be a multiple of 8 */ 304#define PCH_GBE_TX_DESC_MULTIPLE 8 305#define PCH_GBE_RX_DESC_MULTIPLE 8 306 307/* Read/Write operation is done through MII Management IF */ 308#define PCH_GBE_HAL_MIIM_READ ((u32)0x00000000) 309#define PCH_GBE_HAL_MIIM_WRITE ((u32)0x04000000) 310 311/* flow control values */ 312#define PCH_GBE_FC_NONE 0 313#define PCH_GBE_FC_RX_PAUSE 1 314#define PCH_GBE_FC_TX_PAUSE 2 315#define PCH_GBE_FC_FULL 3 316#define PCH_GBE_FC_DEFAULT PCH_GBE_FC_FULL 317 318/** 319 * struct pch_gbe_mac_info - MAC information 320 * @addr[6]: Store the MAC address 321 * @fc: Mode of flow control 322 * @fc_autoneg: Auto negotiation enable for flow control setting 323 * @tx_fc_enable: Enable flag of Transmit flow control 324 * @max_frame_size: Max transmit frame size 325 * @min_frame_size: Min transmit frame size 326 * @autoneg: Auto negotiation enable 327 * @link_speed: Link speed 328 * @link_duplex: Link duplex 329 */ 330struct pch_gbe_mac_info { 331 u8 addr[6]; 332 u8 fc; 333 u8 fc_autoneg; 334 u8 tx_fc_enable; 335 u32 max_frame_size; 336 u32 min_frame_size; 337 u8 autoneg; 338 u16 link_speed; 339 u16 link_duplex; 340}; 341 342/** 343 * struct pch_gbe_phy_info - PHY information 344 * @addr: PHY address 345 * @id: PHY's identifier 346 * @revision: PHY's revision 347 * @reset_delay_us: HW reset delay time[us] 348 * @autoneg_advertised: Autoneg advertised 349 */ 350struct pch_gbe_phy_info { 351 u32 addr; 352 u32 id; 353 u32 revision; 354 u32 reset_delay_us; 355 u16 autoneg_advertised; 356}; 357 358/*! 359 * @ingroup Gigabit Ether driver Layer 360 * @struct pch_gbe_hw 361 * @brief Hardware information 362 */ 363struct pch_gbe_hw { 364 void *back; 365 366 struct pch_gbe_regs __iomem *reg; 367 spinlock_t miim_lock; 368 369 struct pch_gbe_mac_info mac; 370 struct pch_gbe_phy_info phy; 371}; 372 373/** 374 * struct pch_gbe_rx_desc - Receive Descriptor 375 * @buffer_addr: RX Frame Buffer Address 376 * @tcp_ip_status: TCP/IP Accelerator Status 377 * @rx_words_eob: RX word count and Byte position 378 * @gbec_status: GMAC Status 379 * @dma_status: DMA Status 380 * @reserved1: Reserved 381 * @reserved2: Reserved 382 */ 383struct pch_gbe_rx_desc { 384 u32 buffer_addr; 385 u32 tcp_ip_status; 386 u16 rx_words_eob; 387 u16 gbec_status; 388 u8 dma_status; 389 u8 reserved1; 390 u16 reserved2; 391}; 392 393/** 394 * struct pch_gbe_tx_desc - Transmit Descriptor 395 * @buffer_addr: TX Frame Buffer Address 396 * @length: Data buffer length 397 * @reserved1: Reserved 398 * @tx_words_eob: TX word count and Byte position 399 * @tx_frame_ctrl: TX Frame Control 400 * @dma_status: DMA Status 401 * @reserved2: Reserved 402 * @gbec_status: GMAC Status 403 */ 404struct pch_gbe_tx_desc { 405 u32 buffer_addr; 406 u16 length; 407 u16 reserved1; 408 u16 tx_words_eob; 409 u16 tx_frame_ctrl; 410 u8 dma_status; 411 u8 reserved2; 412 u16 gbec_status; 413}; 414 415 416/** 417 * struct pch_gbe_buffer - Buffer information 418 * @skb: pointer to a socket buffer 419 * @dma: DMA address 420 * @time_stamp: time stamp 421 * @length: data size 422 */ 423struct pch_gbe_buffer { 424 struct sk_buff *skb; 425 dma_addr_t dma; 426 unsigned char *rx_buffer; 427 unsigned long time_stamp; 428 u16 length; 429 bool mapped; 430}; 431 432/** 433 * struct pch_gbe_tx_ring - tx ring information 434 * @desc: pointer to the descriptor ring memory 435 * @dma: physical address of the descriptor ring 436 * @size: length of descriptor ring in bytes 437 * @count: number of descriptors in the ring 438 * @next_to_use: next descriptor to associate a buffer with 439 * @next_to_clean: next descriptor to check for DD status bit 440 * @buffer_info: array of buffer information structs 441 */ 442struct pch_gbe_tx_ring { 443 struct pch_gbe_tx_desc *desc; 444 dma_addr_t dma; 445 unsigned int size; 446 unsigned int count; 447 unsigned int next_to_use; 448 unsigned int next_to_clean; 449 struct pch_gbe_buffer *buffer_info; 450}; 451 452/** 453 * struct pch_gbe_rx_ring - rx ring information 454 * @desc: pointer to the descriptor ring memory 455 * @dma: physical address of the descriptor ring 456 * @size: length of descriptor ring in bytes 457 * @count: number of descriptors in the ring 458 * @next_to_use: next descriptor to associate a buffer with 459 * @next_to_clean: next descriptor to check for DD status bit 460 * @buffer_info: array of buffer information structs 461 */ 462struct pch_gbe_rx_ring { 463 struct pch_gbe_rx_desc *desc; 464 dma_addr_t dma; 465 unsigned char *rx_buff_pool; 466 dma_addr_t rx_buff_pool_logic; 467 unsigned int rx_buff_pool_size; 468 unsigned int size; 469 unsigned int count; 470 unsigned int next_to_use; 471 unsigned int next_to_clean; 472 struct pch_gbe_buffer *buffer_info; 473}; 474 475/** 476 * struct pch_gbe_hw_stats - Statistics counters collected by the MAC 477 * @rx_packets: total packets received 478 * @tx_packets: total packets transmitted 479 * @rx_bytes: total bytes received 480 * @tx_bytes: total bytes transmitted 481 * @rx_errors: bad packets received 482 * @tx_errors: packet transmit problems 483 * @rx_dropped: no space in Linux buffers 484 * @tx_dropped: no space available in Linux 485 * @multicast: multicast packets received 486 * @collisions: collisions 487 * @rx_crc_errors: received packet with crc error 488 * @rx_frame_errors: received frame alignment error 489 * @rx_alloc_buff_failed: allocate failure of a receive buffer 490 * @tx_length_errors: transmit length error 491 * @tx_aborted_errors: transmit aborted error 492 * @tx_carrier_errors: transmit carrier error 493 * @tx_timeout_count: Number of transmit timeout 494 * @tx_restart_count: Number of transmit restert 495 * @intr_rx_dsc_empty_count: Interrupt count of receive descriptor empty 496 * @intr_rx_frame_err_count: Interrupt count of receive frame error 497 * @intr_rx_fifo_err_count: Interrupt count of receive FIFO error 498 * @intr_rx_dma_err_count: Interrupt count of receive DMA error 499 * @intr_tx_fifo_err_count: Interrupt count of transmit FIFO error 500 * @intr_tx_dma_err_count: Interrupt count of transmit DMA error 501 * @intr_tcpip_err_count: Interrupt count of TCP/IP Accelerator 502 */ 503struct pch_gbe_hw_stats { 504 u32 rx_packets; 505 u32 tx_packets; 506 u32 rx_bytes; 507 u32 tx_bytes; 508 u32 rx_errors; 509 u32 tx_errors; 510 u32 rx_dropped; 511 u32 tx_dropped; 512 u32 multicast; 513 u32 collisions; 514 u32 rx_crc_errors; 515 u32 rx_frame_errors; 516 u32 rx_alloc_buff_failed; 517 u32 tx_length_errors; 518 u32 tx_aborted_errors; 519 u32 tx_carrier_errors; 520 u32 tx_timeout_count; 521 u32 tx_restart_count; 522 u32 intr_rx_dsc_empty_count; 523 u32 intr_rx_frame_err_count; 524 u32 intr_rx_fifo_err_count; 525 u32 intr_rx_dma_err_count; 526 u32 intr_tx_fifo_err_count; 527 u32 intr_tx_dma_err_count; 528 u32 intr_tcpip_err_count; 529}; 530 531/** 532 * struct pch_gbe_privdata - PCI Device ID driver data 533 * @phy_tx_clk_delay: Bool, configure the PHY TX delay in software 534 * @phy_disable_hibernate: Bool, disable PHY hibernation 535 * @platform_init: Platform initialization callback, called from 536 * probe, prior to PHY initialization. 537 */ 538struct pch_gbe_privdata { 539 bool phy_tx_clk_delay; 540 bool phy_disable_hibernate; 541 int (*platform_init)(struct pci_dev *pdev); 542}; 543 544/** 545 * struct pch_gbe_adapter - board specific private data structure 546 * @stats_lock: Spinlock structure for status 547 * @ethtool_lock: Spinlock structure for ethtool 548 * @irq_sem: Semaphore for interrupt 549 * @netdev: Pointer of network device structure 550 * @pdev: Pointer of pci device structure 551 * @polling_netdev: Pointer of polling network device structure 552 * @napi: NAPI structure 553 * @hw: Pointer of hardware structure 554 * @stats: Hardware status 555 * @reset_task: Reset task 556 * @mii: MII information structure 557 * @watchdog_timer: Watchdog timer list 558 * @wake_up_evt: Wake up event 559 * @config_space: Configuration space 560 * @msg_enable: Driver message level 561 * @led_status: LED status 562 * @tx_ring: Pointer of Tx descriptor ring structure 563 * @rx_ring: Pointer of Rx descriptor ring structure 564 * @rx_buffer_len: Receive buffer length 565 * @tx_queue_len: Transmit queue length 566 * @pch_gbe_privdata: PCI Device ID driver_data 567 */ 568 569struct pch_gbe_adapter { 570 spinlock_t stats_lock; 571 spinlock_t ethtool_lock; 572 atomic_t irq_sem; 573 struct net_device *netdev; 574 struct pci_dev *pdev; 575 int irq; 576 struct net_device *polling_netdev; 577 struct napi_struct napi; 578 struct pch_gbe_hw hw; 579 struct pch_gbe_hw_stats stats; 580 struct work_struct reset_task; 581 struct mii_if_info mii; 582 struct timer_list watchdog_timer; 583 u32 wake_up_evt; 584 u32 *config_space; 585 unsigned long led_status; 586 struct pch_gbe_tx_ring *tx_ring; 587 struct pch_gbe_rx_ring *rx_ring; 588 unsigned long rx_buffer_len; 589 unsigned long tx_queue_len; 590 bool rx_stop_flag; 591 int hwts_tx_en; 592 int hwts_rx_en; 593 struct pci_dev *ptp_pdev; 594 struct pch_gbe_privdata *pdata; 595}; 596 597#define pch_gbe_hw_to_adapter(hw) container_of(hw, struct pch_gbe_adapter, hw) 598 599/* pch_gbe_main.c */ 600int pch_gbe_up(struct pch_gbe_adapter *adapter); 601void pch_gbe_down(struct pch_gbe_adapter *adapter); 602void pch_gbe_reinit_locked(struct pch_gbe_adapter *adapter); 603void pch_gbe_reset(struct pch_gbe_adapter *adapter); 604int pch_gbe_setup_tx_resources(struct pch_gbe_adapter *adapter, 605 struct pch_gbe_tx_ring *txdr); 606int pch_gbe_setup_rx_resources(struct pch_gbe_adapter *adapter, 607 struct pch_gbe_rx_ring *rxdr); 608void pch_gbe_free_tx_resources(struct pch_gbe_adapter *adapter, 609 struct pch_gbe_tx_ring *tx_ring); 610void pch_gbe_free_rx_resources(struct pch_gbe_adapter *adapter, 611 struct pch_gbe_rx_ring *rx_ring); 612void pch_gbe_update_stats(struct pch_gbe_adapter *adapter); 613 614/* pch_gbe_param.c */ 615void pch_gbe_check_options(struct pch_gbe_adapter *adapter); 616 617/* pch_gbe_ethtool.c */ 618void pch_gbe_set_ethtool_ops(struct net_device *netdev); 619 620/* pch_gbe_mac.c */ 621s32 pch_gbe_mac_force_mac_fc(struct pch_gbe_hw *hw); 622u16 pch_gbe_mac_ctrl_miim(struct pch_gbe_hw *hw, u32 addr, u32 dir, u32 reg, 623 u16 data); 624#endif /* _PCH_GBE_H_ */ 625