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r8152.c
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r8152.c
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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2021 Realtek Semiconductor Corp. All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* This product is covered by one or more of the following patents:
* US6,570,884, US6,115,776, and US6,327,625.
*/
#include <linux/signal.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/mii.h>
#include <linux/ethtool.h>
#include <linux/usb.h>
#include <linux/crc32.h>
#include <linux/if_vlan.h>
#include <linux/uaccess.h>
#include <linux/list.h>
#include <linux/ip.h>
#include <linux/ipv6.h>
#include <net/ip6_checksum.h>
#include <linux/usb/cdc.h>
#include <linux/suspend.h>
#include <linux/atomic.h>
#include <linux/acpi.h>
#include "compatibility.h"
/* Version Information */
#define DRIVER_VERSION "v2.15.0 (2021/04/15)"
#define DRIVER_AUTHOR "Realtek nic sw <[email protected]>"
#define DRIVER_DESC "Realtek RTL8152/RTL8153 Based USB Ethernet Adapters"
#define MODULENAME "r8152"
#define PATENTS "This product is covered by one or more of the " \
"following patents:\n" \
"\t\tUS6,570,884, US6,115,776, and US6,327,625.\n"
#define R8152_PHY_ID 32
#define PLA_IDR 0xc000
#define PLA_RCR 0xc010
#define PLA_RCR1 0xc012
#define PLA_RMS 0xc016
#define PLA_RXFIFO_CTRL0 0xc0a0
#define PLA_RXFIFO_FULL 0xc0a2
#define PLA_RXFIFO_CTRL1 0xc0a4
#define PLA_RX_FIFO_FULL 0xc0a6
#define PLA_RXFIFO_CTRL2 0xc0a8
#define PLA_RX_FIFO_EMPTY 0xc0aa
#define PLA_DMY_REG0 0xc0b0
#define PLA_FMC 0xc0b4
#define PLA_CFG_WOL 0xc0b6
#define PLA_TEREDO_CFG 0xc0bc
#define PLA_TEREDO_WAKE_BASE 0xc0c4
#define PLA_MAR 0xcd00
#define PLA_BACKUP 0xd000
#define PLA_BDC_CR 0xd1a0
#define PLA_TEREDO_TIMER 0xd2cc
#define PLA_REALWOW_TIMER 0xd2e8
#define PLA_UPHY_TIMER 0xd388
#define PLA_SUSPEND_FLAG 0xd38a
#define PLA_INDICATE_FALG 0xd38c
#define PLA_MACDBG_PRE 0xd38c /* RTL_VER_04 only */
#define PLA_MACDBG_POST 0xd38e /* RTL_VER_04 only */
#define PLA_EXTRA_STATUS 0xd398
#define PLA_GPHY_CTRL 0xd3ae
#define PLA_POL_GPIO_CTRL 0xdc6a
#define PLA_EFUSE_DATA 0xdd00
#define PLA_EFUSE_CMD 0xdd02
#define PLA_LEDSEL 0xdd90
#define PLA_LED_FEATURE 0xdd92
#define PLA_PHYAR 0xde00
#define PLA_BOOT_CTRL 0xe004
#define PLA_LWAKE_CTRL_REG 0xe007
#define PLA_GPHY_INTR_IMR 0xe022
#define PLA_EEE_CR 0xe040
#define PLA_EEE_TXTWSYS 0xe04c
#define PLA_EEE_TXTWSYS_2P5G 0xe058
#define PLA_EEEP_CR 0xe080
#define PLA_MAC_PWR_CTRL 0xe0c0
#define PLA_MAC_PWR_CTRL2 0xe0ca
#define PLA_MAC_PWR_CTRL3 0xe0cc
#define PLA_MAC_PWR_CTRL4 0xe0ce
#define PLA_WDT6_CTRL 0xe428
#define PLA_TCR0 0xe610
#define PLA_TCR1 0xe612
#define PLA_MTPS 0xe615
#define PLA_TXFIFO_CTRL 0xe618
#define PLA_TXFIFO_FULL 0xe61a
#define PLA_RSTTALLY 0xe800
#define PLA_CR 0xe813
#define PLA_CRWECR 0xe81c
#define PLA_CONFIG12 0xe81e /* CONFIG1, CONFIG2 */
#define PLA_CONFIG34 0xe820 /* CONFIG3, CONFIG4 */
#define PLA_CONFIG5 0xe822
#define PLA_PHY_PWR 0xe84c
#define PLA_OOB_CTRL 0xe84f
#define PLA_CPCR 0xe854
#define PLA_MISC_0 0xe858
#define PLA_MISC_1 0xe85a
#define PLA_OCP_GPHY_BASE 0xe86c
#define PLA_TALLYCNT 0xe890
#define PLA_SFF_STS_7 0xe8de
#define PLA_PHYSTATUS 0xe908
#define PLA_CONFIG6 0xe90a /* CONFIG6 */
#define PLA_USB_CFG 0xe952
#define PLA_BP_BA 0xfc26
#define PLA_BP_0 0xfc28
#define PLA_BP_1 0xfc2a
#define PLA_BP_2 0xfc2c
#define PLA_BP_3 0xfc2e
#define PLA_BP_4 0xfc30
#define PLA_BP_5 0xfc32
#define PLA_BP_6 0xfc34
#define PLA_BP_7 0xfc36
#define PLA_BP_EN 0xfc38
#define USB_USB2PHY 0xb41e
#define USB_SSPHYLINK1 0xb426
#define USB_SSPHYLINK2 0xb428
#define USB_L1_CTRL 0xb45e
#define USB_U2P3_CTRL 0xb460
#define USB_CSR_DUMMY1 0xb464
#define USB_CSR_DUMMY2 0xb466
#define USB_DEV_STAT 0xb808
#define USB_CONNECT_TIMER 0xcbf8
#define USB_MSC_TIMER 0xcbfc
#define USB_BURST_SIZE 0xcfc0
#define USB_FW_FIX_EN0 0xcfca
#define USB_FW_FIX_EN1 0xcfcc
#define USB_LPM_CONFIG 0xcfd8
#define USB_EFUSE 0xcfdb
#define USB_ECM_OPTION 0xcfee
#define USB_CSTMR 0xcfef /* RTL8153A */
#define USB_MISC_2 0xcfff
#define USB_ECM_OP 0xd26b
#define USB_GPHY_CTRL 0xd284
#define USB_SPEED_OPTION 0xd32a
#define USB_FW_CTRL 0xd334 /* RTL8153B */
#define USB_FC_TIMER 0xd340
#define USB_USB_CTRL 0xd406
#define USB_PHY_CTRL 0xd408
#define USB_TX_AGG 0xd40a
#define USB_RX_BUF_TH 0xd40c
#define USB_USB_TIMER 0xd428
#define USB_RX_EARLY_TIMEOUT 0xd42c
#define USB_RX_EARLY_SIZE 0xd42e
#define USB_PM_CTRL_STATUS 0xd432 /* RTL8153A */
#define USB_RX_EXTRA_AGGR_TMR 0xd432 /* RTL8153B */
#define USB_TX_DMA 0xd434
#define USB_UPT_RXDMA_OWN 0xd437
#define USB_UPHY3_MDCMDIO 0xd480
#define USB_TOLERANCE 0xd490
#define USB_LPM_CTRL 0xd41a
#define USB_BMU_RESET 0xd4b0
#define USB_BMU_CONFIG 0xd4b4
#define USB_U1U2_TIMER 0xd4da
#define USB_FW_TASK 0xd4e8 /* RTL8153B */
#define USB_RX_AGGR_NUM 0xd4ee
#define USB_UPS_CTRL 0xd800
#define USB_POWER_CUT 0xd80a
#define USB_MISC_0 0xd81a
#define USB_MISC_1 0xd81f
#define USB_AFE_CTRL2 0xd824
#define USB_UPHY_XTAL 0xd826
#define USB_UPS_CFG 0xd842
#define USB_UPS_FLAGS 0xd848
#define USB_WDT1_CTRL 0xe404
#define USB_WDT11_CTRL 0xe43c
#define USB_BP_BA PLA_BP_BA
#define USB_BP_0 PLA_BP_0
#define USB_BP_1 PLA_BP_1
#define USB_BP_2 PLA_BP_2
#define USB_BP_3 PLA_BP_3
#define USB_BP_4 PLA_BP_4
#define USB_BP_5 PLA_BP_5
#define USB_BP_6 PLA_BP_6
#define USB_BP_7 PLA_BP_7
#define USB_BP_EN PLA_BP_EN /* RTL8153A */
#define USB_BP_8 0xfc38 /* RTL8153B */
#define USB_BP_9 0xfc3a
#define USB_BP_10 0xfc3c
#define USB_BP_11 0xfc3e
#define USB_BP_12 0xfc40
#define USB_BP_13 0xfc42
#define USB_BP_14 0xfc44
#define USB_BP_15 0xfc46
#define USB_BP2_EN 0xfc48
/* OCP Registers */
#define OCP_ALDPS_CONFIG 0x2010
#define OCP_EEE_CONFIG1 0x2080
#define OCP_EEE_CONFIG2 0x2092
#define OCP_EEE_CONFIG3 0x2094
#define OCP_BASE_MII 0xa400
#define OCP_EEE_AR 0xa41a
#define OCP_EEE_DATA 0xa41c
#define OCP_PHY_STATUS 0xa420
#define OCP_NCTL_CFG 0xa42c
#define OCP_POWER_CFG 0xa430
#define OCP_EEE_CFG 0xa432
#define OCP_SRAM_ADDR 0xa436
#define OCP_SRAM_DATA 0xa438
#define OCP_DOWN_SPEED 0xa442
#define OCP_EEE_ABLE 0xa5c4
#define OCP_EEE_ADV 0xa5d0
#define OCP_EEE_LPABLE 0xa5d2
#define OCP_10GBT_CTRL 0xa5d4
#define OCP_10GBT_STAT 0xa5d6
#define OCP_EEE_ADV2 0xa6d4
#define OCP_PHY_STATE 0xa708 /* nway state for 8153 */
#define OCP_PHY_PATCH_STAT 0xb800
#define OCP_PHY_PATCH_CMD 0xb820
#define OCP_PHY_LOCK 0xb82e
#define OCP_ADC_IOFFSET 0xbcfc
#define OCP_ADC_CFG 0xbc06
#define OCP_SYSCLK_CFG 0xc416
/* SRAM Register */
#define SRAM_GREEN_CFG 0x8011
#define SRAM_LPF_CFG 0x8012
#define SRAM_GPHY_FW_VER 0x801e
#define SRAM_10M_AMP1 0x8080
#define SRAM_10M_AMP2 0x8082
#define SRAM_IMPEDANCE 0x8084
#define SRAM_PHY_LOCK 0xb82e
/* PLA_RCR */
#define RCR_AAP 0x00000001
#define RCR_APM 0x00000002
#define RCR_AM 0x00000004
#define RCR_AB 0x00000008
#define RCR_ACPT_ALL (RCR_AAP | RCR_APM | RCR_AM | RCR_AB)
#define SLOT_EN BIT(11)
/* PLA_RCR1 */
#define OUTER_VLAN BIT(7)
#define INNER_VLAN BIT(6)
/* PLA_RXFIFO_CTRL0 */
#define RXFIFO_THR1_NORMAL 0x00080002
#define RXFIFO_THR1_OOB 0x01800003
/* PLA_RXFIFO_FULL */
#define RXFIFO_FULL_MASK 0xfff
/* PLA_RXFIFO_CTRL1 */
#define RXFIFO_THR2_FULL 0x00000060
#define RXFIFO_THR2_HIGH 0x00000038
#define RXFIFO_THR2_OOB 0x0000004a
#define RXFIFO_THR2_NORMAL 0x00a0
/* PLA_RXFIFO_CTRL2 */
#define RXFIFO_THR3_FULL 0x00000078
#define RXFIFO_THR3_HIGH 0x00000048
#define RXFIFO_THR3_OOB 0x0000005a
#define RXFIFO_THR3_NORMAL 0x0110
/* PLA_TXFIFO_CTRL */
#define TXFIFO_THR_NORMAL 0x00400008
#define TXFIFO_THR_NORMAL2 0x01000008
/* PLA_DMY_REG0 */
#define ECM_ALDPS 0x0002
/* PLA_FMC */
#define FMC_FCR_MCU_EN 0x0001
/* PLA_EEEP_CR */
#define EEEP_CR_EEEP_TX 0x0002
/* PLA_WDT6_CTRL */
#define WDT6_SET_MODE 0x0010
/* PLA_TCR0 */
#define TCR0_TX_EMPTY 0x0800
#define TCR0_AUTO_FIFO 0x0080
/* PLA_TCR1 */
#define VERSION_MASK 0x7cf0
#define IFG_MASK (BIT(3) | BIT(9) | BIT(8))
#define IFG_144NS BIT(9)
#define IFG_96NS (BIT(9) | BIT(8))
/* PLA_MTPS */
#define MTPS_JUMBO (12 * 1024 / 64)
#define MTPS_DEFAULT (6 * 1024 / 64)
/* PLA_RSTTALLY */
#define TALLY_RESET 0x0001
/* PLA_CR */
#define CR_RST 0x10
#define CR_RE 0x08
#ifdef CR_TE
#undef CR_TE
#endif
#define CR_TE 0x04
/* PLA_CRWECR */
#define CRWECR_NORAML 0x00
#define CRWECR_CONFIG 0xc0
/* PLA_OOB_CTRL */
#define NOW_IS_OOB 0x80
#define TXFIFO_EMPTY 0x20
#define RXFIFO_EMPTY 0x10
#define LINK_LIST_READY 0x02
#define DIS_MCU_CLROOB 0x01
#define FIFO_EMPTY (TXFIFO_EMPTY | RXFIFO_EMPTY)
/* PLA_MISC_1 */
#define RXDY_GATED_EN 0x0008
/* PLA_SFF_STS_7 */
#define RE_INIT_LL 0x8000
#define MCU_BORW_EN 0x4000
/* PLA_CPCR */
#define FLOW_CTRL_EN BIT(0)
#define CPCR_RX_VLAN 0x0040
/* PLA_CFG_WOL */
#define MAGIC_EN 0x0001
/* PLA_TEREDO_CFG */
#define TEREDO_SEL 0x8000
#define TEREDO_WAKE_MASK 0x7f00
#define TEREDO_RS_EVENT_MASK 0x00fe
#define OOB_TEREDO_EN 0x0001
/* PLA_BDC_CR */
#define ALDPS_PROXY_MODE 0x0001
/* PLA_EFUSE_CMD */
#define EFUSE_READ_CMD BIT(15)
#define EFUSE_DATA_BIT16 BIT(7)
/* PLA_CONFIG34 */
#define LINK_ON_WAKE_EN 0x0010
#define LINK_OFF_WAKE_EN 0x0008
/* PLA_CONFIG6 */
#define LANWAKE_CLR_EN BIT(0)
/* PLA_USB_CFG */
#define EN_XG_LIP BIT(1)
#define EN_G_LIP BIT(2)
/* PLA_CONFIG5 */
#define BWF_EN 0x0040
#define MWF_EN 0x0020
#define UWF_EN 0x0010
#define LAN_WAKE_EN 0x0002
/* PLA_LED_FEATURE */
#define LED_MODE_MASK 0x0700
/* PLA_PHY_PWR */
#define TX_10M_IDLE_EN 0x0080
#define PFM_PWM_SWITCH 0x0040
#define TEST_IO_OFF BIT(4)
/* PLA_MAC_PWR_CTRL */
#define D3_CLK_GATED_EN 0x00004000
#define MCU_CLK_RATIO 0x07010f07
#define MCU_CLK_RATIO_MASK 0x0f0f0f0f
#define ALDPS_SPDWN_RATIO 0x0f87
/* PLA_MAC_PWR_CTRL2 */
#define EEE_SPDWN_RATIO 0x8007
#define MAC_CLK_SPDWN_EN BIT(15)
#define EEE_SPDWN_RATIO_MASK 0xff
/* PLA_MAC_PWR_CTRL3 */
#define PLA_MCU_SPDWN_EN BIT(14)
#define PKT_AVAIL_SPDWN_EN 0x0100
#define SUSPEND_SPDWN_EN 0x0004
#define U1U2_SPDWN_EN 0x0002
#define L1_SPDWN_EN 0x0001
/* PLA_MAC_PWR_CTRL4 */
#define PWRSAVE_SPDWN_EN 0x1000
#define RXDV_SPDWN_EN 0x0800
#define TX10MIDLE_EN 0x0100
#define IDLE_SPDWN_EN BIT(6)
#define TP100_SPDWN_EN 0x0020
#define TP500_SPDWN_EN 0x0010
#define TP1000_SPDWN_EN 0x0008
#define EEE_SPDWN_EN 0x0001
/* PLA_GPHY_INTR_IMR */
#define GPHY_STS_MSK 0x0001
#define SPEED_DOWN_MSK 0x0002
#define SPDWN_RXDV_MSK 0x0004
#define SPDWN_LINKCHG_MSK 0x0008
/* PLA_PHYAR */
#define PHYAR_FLAG 0x80000000
/* PLA_EEE_CR */
#define EEE_RX_EN 0x0001
#define EEE_TX_EN 0x0002
/* PLA_BOOT_CTRL */
#define AUTOLOAD_DONE 0x0002
/* PLA_LWAKE_CTRL_REG */
#define LANWAKE_PIN BIT(7)
/* PLA_SUSPEND_FLAG */
#define LINK_CHG_EVENT BIT(0)
/* PLA_INDICATE_FALG */
#define UPCOMING_RUNTIME_D3 BIT(0)
/* PLA_MACDBG_PRE and PLA_MACDBG_POST */
#define DEBUG_OE BIT(0)
#define DEBUG_LTSSM 0x0082
/* PLA_EXTRA_STATUS */
#define CUR_LINK_OK BIT(15)
#define U3P3_CHECK_EN BIT(7) /* RTL_VER_05 only */
#define LINK_CHANGE_FLAG BIT(8)
#define POLL_LINK_CHG BIT(0)
/* PLA_GPHY_CTRL */
#define GPHY_FLASH BIT(1)
/* PLA_POL_GPIO_CTRL */
#define DACK_DET_EN BIT(15)
#define POL_GPHY_PATCH BIT(4)
/* USB_USB2PHY */
#define USB2PHY_SUSPEND 0x0001
#define USB2PHY_L1 0x0002
/* USB_SSPHYLINK1 */
#define DELAY_PHY_PWR_CHG BIT(1)
/* USB_SSPHYLINK2 */
#define pwd_dn_scale_mask 0x3ffe
#define pwd_dn_scale(x) ((x) << 1)
/* USB_CSR_DUMMY1 */
#define DYNAMIC_BURST 0x0001
/* USB_CSR_DUMMY2 */
#define EP4_FULL_FC 0x0001
/* USB_DEV_STAT */
#define STAT_SPEED_MASK 0x0006
#define STAT_SPEED_HIGH 0x0000
#define STAT_SPEED_FULL 0x0002
/* USB_FW_FIX_EN0 */
#define FW_FIX_SUSPEND BIT(14)
/* USB_FW_FIX_EN1 */
#define FW_IP_RESET_EN BIT(9)
/* USB_LPM_CONFIG */
#define LPM_U1U2_EN BIT(0)
/* USB_EFUSE */
#define PASS_THRU_MASK BIT(0)
/* USB_TX_AGG */
#define TX_AGG_MAX_THRESHOLD 0x03
/* USB_RX_BUF_TH */
#define RX_THR_SUPPER 0x0c350180
#define RX_THR_HIGH 0x7a120180
#define RX_THR_SLOW 0xffff0180
#define RX_THR_B 0x00010001
/* USB_TX_DMA */
#define TEST_MODE_DISABLE 0x00000001
#define TX_SIZE_ADJUST1 0x00000100
/* USB_BMU_RESET */
#define BMU_RESET_EP_IN 0x01
#define BMU_RESET_EP_OUT 0x02
/* USB_BMU_CONFIG */
#define ACT_ODMA BIT(1)
/* USB_UPT_RXDMA_OWN */
#define OWN_UPDATE BIT(0)
#define OWN_CLEAR BIT(1)
/* USB_FW_TASK */
#define FC_PATCH_TASK BIT(1)
/* USB_RX_AGGR_NUM */
#define RX_AGGR_NUM_MASK 0x1ff
/* USB_UPS_CTRL */
#define POWER_CUT 0x0100
/* USB_PM_CTRL_STATUS */
#define RESUME_INDICATE 0x0001
/* USB_ECM_OPTION */
#define BYPASS_MAC_RESET BIT(5)
/* USB_CSTMR */
#define FORCE_SUPER BIT(0)
/* USB_MISC_2 */
#define UPS_FORCE_PWR_DOWN BIT(0)
/* USB_ECM_OP */
#define EN_ALL_SPEED BIT(0)
/* USB_GPHY_CTRL */
#define GPHY_PATCH_DONE BIT(2)
#define BYPASS_FLASH BIT(5)
#define BACKUP_RESTRORE BIT(6)
/* USB_SPEED_OPTION */
#define RG_PWRDN_EN BIT(8)
#define ALL_SPEED_OFF BIT(9)
/* USB_FW_CTRL */
#define FLOW_CTRL_PATCH_OPT BIT(1)
#define AUTO_SPEEDUP BIT(3)
#define FLOW_CTRL_PATCH_2 BIT(8)
/* USB_FC_TIMER */
#define CTRL_TIMER_EN BIT(15)
/* USB_USB_CTRL */
#define CDC_ECM_EN BIT(3)
#define RX_AGG_DISABLE 0x0010
#define RX_ZERO_EN 0x0080
/* USB_U2P3_CTRL */
#define U2P3_ENABLE 0x0001
#define RX_DETECT8 BIT(3)
/* USB_POWER_CUT */
#define PWR_EN 0x0001
#define PHASE2_EN 0x0008
#define UPS_EN BIT(4)
#define USP_PREWAKE BIT(5)
/* USB_MISC_0 */
#define PCUT_STATUS 0x0001
#define AD_MASK 0xfee0
/* USB_MISC_1 */
#define BD_MASK BIT(0)
#define BND_MASK BIT(2)
#define BL_MASK BIT(3)
/* USB_RX_EARLY_TIMEOUT */
#define COALESCE_SUPER 85000U
#define COALESCE_HIGH 250000U
#define COALESCE_SLOW 524280U
/* USB_WDT1_CTRL */
#define WTD1_EN BIT(0)
/* USB_WDT11_CTRL */
#define TIMER11_EN 0x0001
/* USB_LPM_CTRL */
/* bit 4 ~ 5: fifo empty boundary */
#define FIFO_EMPTY_1FB 0x30 /* 0x1fb * 64 = 32448 bytes */
/* bit 2 ~ 3: LMP timer */
#define LPM_TIMER_MASK 0x0c
#define LPM_TIMER_500MS 0x04 /* 500 ms */
#define LPM_TIMER_500US 0x0c /* 500 us */
#define ROK_EXIT_LPM 0x02
/* USB_AFE_CTRL2 */
#define SEN_VAL_MASK 0xf800
#define SEN_VAL_NORMAL 0xa000
#define SEL_RXIDLE 0x0100
/* USB_UPHY_XTAL */
#define OOBS_POLLING BIT(8)
/* USB_UPS_CFG */
#define SAW_CNT_1MS_MASK 0x0fff
#define MID_REVERSE BIT(5) /* RTL8156A */
/* USB_UPS_FLAGS */
#define UPS_FLAGS_R_TUNE BIT(0)
#define UPS_FLAGS_EN_10M_CKDIV BIT(1)
#define UPS_FLAGS_250M_CKDIV BIT(2)
#define UPS_FLAGS_EN_ALDPS BIT(3)
#define UPS_FLAGS_CTAP_SHORT_DIS BIT(4)
#define UPS_FLAGS_SPEED_MASK (0xf << 16)
#define ups_flags_speed(x) ((x) << 16)
#define UPS_FLAGS_EN_EEE BIT(20)
#define UPS_FLAGS_EN_500M_EEE BIT(21)
#define UPS_FLAGS_EN_EEE_CKDIV BIT(22)
#define UPS_FLAGS_EEE_PLLOFF_100 BIT(23)
#define UPS_FLAGS_EEE_PLLOFF_GIGA BIT(24)
#define UPS_FLAGS_EEE_CMOD_LV_EN BIT(25)
#define UPS_FLAGS_EN_GREEN BIT(26)
#define UPS_FLAGS_EN_FLOW_CTR BIT(27)
enum spd_duplex {
NWAY_10M_HALF,
NWAY_10M_FULL,
NWAY_100M_HALF,
NWAY_100M_FULL,
NWAY_1000M_FULL,
FORCE_10M_HALF,
FORCE_10M_FULL,
FORCE_100M_HALF,
FORCE_100M_FULL,
FORCE_1000M_FULL,
NWAY_2500M_FULL,
};
/* OCP_ALDPS_CONFIG */
#define ENPWRSAVE 0x8000
#define ENPDNPS 0x0200
#define LINKENA 0x0100
#define DIS_SDSAVE 0x0010
/* OCP_PHY_STATUS */
#define PHY_STAT_MASK 0x0007
#define PHY_STAT_EXT_INIT 2
#define PHY_STAT_LAN_ON 3
#define PHY_STAT_PWRDN 5
/* OCP_NCTL_CFG */
#define PGA_RETURN_EN BIT(1)
/* OCP_POWER_CFG */
#define EEE_CLKDIV_EN 0x8000
#define EN_ALDPS 0x0004
#define EN_10M_PLLOFF 0x0001
/* OCP_EEE_CONFIG1 */
#define RG_TXLPI_MSK_HFDUP 0x8000
#define RG_MATCLR_EN 0x4000
#define EEE_10_CAP 0x2000
#define EEE_NWAY_EN 0x1000
#define TX_QUIET_EN 0x0200
#define RX_QUIET_EN 0x0100
#define sd_rise_time_mask 0x0070
#define sd_rise_time(x) (min(x, 7) << 4) /* bit 4 ~ 6 */
#define RG_RXLPI_MSK_HFDUP 0x0008
#define SDFALLTIME 0x0007 /* bit 0 ~ 2 */
/* OCP_EEE_CONFIG2 */
#define RG_LPIHYS_NUM 0x7000 /* bit 12 ~ 15 */
#define RG_DACQUIET_EN 0x0400
#define RG_LDVQUIET_EN 0x0200
#define RG_CKRSEL 0x0020
#define RG_EEEPRG_EN 0x0010
/* OCP_EEE_CONFIG3 */
#define fast_snr_mask 0xff80
#define fast_snr(x) (min(x, 0x1ff) << 7) /* bit 7 ~ 15 */
#define RG_LFS_SEL 0x0060 /* bit 6 ~ 5 */
#define MSK_PH 0x0006 /* bit 0 ~ 3 */
/* OCP_EEE_AR */
/* bit[15:14] function */
#define FUN_ADDR 0x0000
#define FUN_DATA 0x4000
/* bit[4:0] device addr */
/* OCP_EEE_CFG */
#define CTAP_SHORT_EN 0x0040
#define EEE10_EN 0x0010
/* OCP_DOWN_SPEED */
#define EN_EEE_CMODE BIT(14)
#define EN_EEE_1000 BIT(13)
#define EN_EEE_100 BIT(12)
#define EN_10M_CLKDIV BIT(11)
#define EN_10M_BGOFF 0x0080
/* OCP_10GBT_CTRL */
#define RTL_ADV2_5G_F_R BIT(5) /* Advertise 2.5GBASE-T fast-retrain */
/* OCP_PHY_STATE */
#define TXDIS_STATE 0x01
#define ABD_STATE 0x02
/* OCP_PHY_PATCH_STAT */
#define PATCH_READY BIT(6)
/* OCP_PHY_PATCH_CMD */
#define PATCH_REQUEST BIT(4)
/* OCP_PHY_LOCK */
#define PATCH_LOCK BIT(0)
/* OCP_ADC_CFG */
#define CKADSEL_L 0x0100
#define ADC_EN 0x0080
#define EN_EMI_L 0x0040
/* OCP_SYSCLK_CFG */
#define sysclk_div_expo(x) (min(x, 5) << 8)
#define clk_div_expo(x) (min(x, 5) << 4)
/* SRAM_GREEN_CFG */
#define GREEN_ETH_EN BIT(15)
#define R_TUNE_EN BIT(11)
/* SRAM_LPF_CFG */
#define LPF_AUTO_TUNE 0x8000
/* SRAM_10M_AMP1 */
#define GDAC_IB_UPALL 0x0008
/* SRAM_10M_AMP2 */
#define AMP_DN 0x0200
/* SRAM_IMPEDANCE */
#define RX_DRIVING_MASK 0x6000
/* SRAM_PHY_LOCK */
#define PHY_PATCH_LOCK 0x0001
enum rtl_register_content {
_2500bps = BIT(10),
_1250bps = BIT(9),
_500bps = BIT(8),
_tx_flow = BIT(6),
_rx_flow = BIT(5),
_1000bps = 0x10,
_100bps = 0x08,
_10bps = 0x04,
LINK_STATUS = 0x02,
FULL_DUP = 0x01,
};
#define is_speed_2500(_speed) (((_speed) & (_2500bps | LINK_STATUS)) == (_2500bps | LINK_STATUS))
#define is_flow_control(_speed) (((_speed) & (_tx_flow | _rx_flow)) == (_tx_flow | _rx_flow))
#define RTL8152_MAX_TX 4
#define RTL8152_MAX_RX 10
#define INTBUFSIZE 2
#define TX_ALIGN 4
#define RX_ALIGN 8
#define RTL8152_RX_MAX_PENDING 4096
#define RTL8152_RXFG_HEADSZ 256
#define INTR_LINK 0x0004
#define RTL8152_REQT_READ 0xc0
#define RTL8152_REQT_WRITE 0x40
#define RTL8152_REQ_GET_REGS 0x05
#define RTL8152_REQ_SET_REGS 0x05
#define BYTE_EN_DWORD 0xff
#define BYTE_EN_WORD 0x33
#define BYTE_EN_BYTE 0x11
#define BYTE_EN_SIX_BYTES 0x3f
#define BYTE_EN_START_MASK 0x0f
#define BYTE_EN_END_MASK 0xf0
#define RTL8152_RMS (VLAN_ETH_FRAME_LEN + ETH_FCS_LEN)
#define RTL8153_RMS RTL8153_MAX_PACKET
#define RTL8152_TX_TIMEOUT (5 * HZ)
#define mtu_to_size(m) ((m) + VLAN_ETH_HLEN + ETH_FCS_LEN)
#define size_to_mtu(s) ((s) - VLAN_ETH_HLEN - ETH_FCS_LEN)
#define rx_reserved_size(x) (mtu_to_size(x) + sizeof(struct rx_desc) + RX_ALIGN)
#define RTL_MAX_SG_NUM 64
/* rtl8152 flags */
enum rtl8152_flags {
RTL8152_UNPLUG = 0,
RTL8152_SET_RX_MODE,
WORK_ENABLE,
RTL8152_LINK_CHG,
SELECTIVE_SUSPEND,
PHY_RESET,
SCHEDULE_TASKLET,
GREEN_ETHERNET,
RECOVER_SPEED,
};
/* Define these values to match your device */
#define VENDOR_ID_ASUS 0x0b05
#define VENDOR_ID_REALTEK 0x0bda
#define VENDOR_ID_MICROSOFT 0x045e
#define VENDOR_ID_SAMSUNG 0x04e8
#define VENDOR_ID_LENOVO 0x17ef
#define VENDOR_ID_LINKSYS 0x13b1
#define VENDOR_ID_NVIDIA 0x0955
#define VENDOR_ID_TRENDNET 0x20f4
#define VENDOR_ID_TPLINK 0x2357
#define MCU_TYPE_PLA 0x0100
#define MCU_TYPE_USB 0x0000
struct tally_counter {
__le64 tx_packets;
__le64 rx_packets;
__le64 tx_errors;
__le32 rx_errors;
__le16 rx_missed;
__le16 align_errors;
__le32 tx_one_collision;
__le32 tx_multi_collision;
__le64 rx_unicast;
__le64 rx_broadcast;
__le32 rx_multicast;
__le16 tx_aborted;
__le16 tx_underrun;
};
struct rx_desc {
__le32 opts1;
#define RD_CRC BIT(15)
#define RX_LEN_MASK 0x7fff
__le32 opts2;
#define RD_UDP_CS BIT(23)
#define RD_TCP_CS BIT(22)
#define RD_IPV6_CS BIT(20)
#define RD_IPV4_CS BIT(19)
__le32 opts3;
#define IPF BIT(23) /* IP checksum fail */
#define UDPF BIT(22) /* UDP checksum fail */
#define TCPF BIT(21) /* TCP checksum fail */
#define RX_VLAN_TAG BIT(16)
__le32 opts4;
__le32 opts5;
__le32 opts6;
};
struct tx_desc {
__le32 opts1;
#define TX_FS BIT(31) /* First segment of a packet */
#define TX_LS BIT(30) /* Final segment of a packet */
#define LGSEND BIT(29)
#define GTSENDV4 BIT(28)
#define GTSENDV6 BIT(27)
#define GTTCPHO_SHIFT 18
#define GTTCPHO_MAX 0x7fU
#define TX_LEN_MAX 0x3ffffU
__le32 opts2;
#define UDP_CS BIT(31) /* Calculate UDP/IP checksum */
#define TCP_CS BIT(30) /* Calculate TCP/IP checksum */
#define IPV4_CS BIT(29) /* Calculate IPv4 checksum */
#define IPV6_CS BIT(28) /* Calculate IPv6 checksum */
#define MSS_SHIFT 17
#define MSS_MAX 0x7ffU
#define TCPHO_SHIFT 17
#define TCPHO_MAX 0x7ffU
#define TX_VLAN_TAG BIT(16)
};
struct r8152;
struct rx_agg {
struct list_head list, info_list;
struct urb *urb;
struct r8152 *context;
struct page *page;
void *buffer;
};
struct tx_agg {
struct list_head list;
struct urb *urb;
struct r8152 *context;
struct sk_buff_head tx_skb;
void *buffer;
void *head;
u32 skb_num;
u32 skb_len;
};
struct r8152 {
unsigned long flags;
struct usb_device *udev;
struct napi_struct napi;
struct usb_interface *intf;
struct net_device *netdev;
struct urb *intr_urb;
struct tx_agg tx_info[RTL8152_MAX_TX];
struct list_head rx_info, rx_used;
struct list_head rx_done, tx_free;
struct sk_buff_head tx_queue, rx_queue;
spinlock_t rx_lock, tx_lock;
struct delayed_work schedule, hw_phy_work;
struct mii_if_info mii;
struct mutex control; /* use for hw setting */
#if LINUX_VERSION_CODE < KERNEL_VERSION(3,0,0)
struct vlan_group *vlgrp;
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,22)
struct net_device_stats stats;
#endif
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,23) && defined(CONFIG_PM_SLEEP)
struct notifier_block pm_notifier;
#endif
struct tasklet_struct tx_tl;
struct rtl_ops {
void (*init)(struct r8152 *tp);
int (*enable)(struct r8152 *tp);
void (*disable)(struct r8152 *tp);
void (*up)(struct r8152 *tp);
void (*down)(struct r8152 *tp);
void (*unload)(struct r8152 *tp);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0)
int (*eee_get)(struct r8152 *tp, struct ethtool_eee *eee);
int (*eee_set)(struct r8152 *tp, struct ethtool_eee *eee);
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0) */
bool (*in_nway)(struct r8152 *tp);
void (*hw_phy_cfg)(struct r8152 *tp);
void (*autosuspend_en)(struct r8152 *tp, bool enable);
void (*change_mtu)(struct r8152 *tp);
} rtl_ops;
struct ups_info {
u32 r_tune:1;
u32 _10m_ckdiv:1;
u32 _250m_ckdiv:1;
u32 aldps:1;
u32 lite_mode:2;
u32 speed_duplex:4;
u32 eee:1;
u32 eee_lite:1;
u32 eee_ckdiv:1;
u32 eee_plloff_100:1;
u32 eee_plloff_giga:1;
u32 eee_cmod_lv:1;
u32 green:1;
u32 flow_control:1;
u32 ctap_short_off:1;
} ups_info;
atomic_t rx_count;
bool eee_en;
int intr_interval;
u32 saved_wolopts;
u32 msg_enable;
u32 tx_qlen;
u32 coalesce;
u32 advertising;
u32 rx_buf_sz;
u32 rx_copybreak;
u32 rx_pending;
u32 fc_pause_on, fc_pause_off;
u32 support_2500full:1;
u32 sg_use:1;
// u32 dash_mode:1;
u32 lenovo_macpassthru:1;
u32 dell_macpassthru:1;
u32 bl_macpassthru:1;
u16 ocp_base;
u16 speed;
u16 eee_adv;
u8 *intr_buff;
u8 version;
u8 rtk_enable_diag;
u8 duplex;
u8 autoneg;
};
enum rtl_version {
RTL_VER_UNKNOWN = 0,
RTL_VER_01,
RTL_VER_02,
RTL_VER_03,
RTL_VER_04,
RTL_VER_05,
RTL_VER_06,
RTL_VER_07,
RTL_VER_08,
RTL_VER_09,
RTL_TEST_01,
RTL_VER_10,
RTL_VER_11,
RTL_VER_12,
RTL_VER_13,
RTL_VER_14,
RTL_VER_15,