4588 lines
105 KiB
C
4588 lines
105 KiB
C
/*
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* Copyright (c) 2014 Realtek Semiconductor Corp. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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*/
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#include <linux/signal.h>
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#include <linux/slab.h>
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#include <linux/module.h>
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#include <linux/netdevice.h>
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#include <linux/etherdevice.h>
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#include <linux/mii.h>
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#include <linux/ethtool.h>
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#include <linux/usb.h>
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#include <linux/crc32.h>
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#include <linux/if_vlan.h>
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#include <linux/uaccess.h>
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#include <linux/list.h>
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#include <linux/ip.h>
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#include <linux/ipv6.h>
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#include <net/ip6_checksum.h>
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#include <uapi/linux/mdio.h>
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#include <linux/mdio.h>
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#include <linux/usb/cdc.h>
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#include <linux/suspend.h>
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#include <linux/acpi.h>
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/* Information for net-next */
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#define NETNEXT_VERSION "08"
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/* Information for net */
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#define NET_VERSION "9"
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#define DRIVER_VERSION "v1." NETNEXT_VERSION "." NET_VERSION
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#define DRIVER_AUTHOR "Realtek linux nic maintainers <nic_swsd@realtek.com>"
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#define DRIVER_DESC "Realtek RTL8152/RTL8153 Based USB Ethernet Adapters"
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#define MODULENAME "r8152"
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#define R8152_PHY_ID 32
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#define PLA_IDR 0xc000
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#define PLA_RCR 0xc010
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#define PLA_RMS 0xc016
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#define PLA_RXFIFO_CTRL0 0xc0a0
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#define PLA_RXFIFO_CTRL1 0xc0a4
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#define PLA_RXFIFO_CTRL2 0xc0a8
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#define PLA_DMY_REG0 0xc0b0
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#define PLA_FMC 0xc0b4
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#define PLA_CFG_WOL 0xc0b6
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#define PLA_TEREDO_CFG 0xc0bc
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#define PLA_MAR 0xcd00
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#define PLA_BACKUP 0xd000
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#define PAL_BDC_CR 0xd1a0
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#define PLA_TEREDO_TIMER 0xd2cc
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#define PLA_REALWOW_TIMER 0xd2e8
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#define PLA_LEDSEL 0xdd90
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#define PLA_LED_FEATURE 0xdd92
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#define PLA_PHYAR 0xde00
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#define PLA_BOOT_CTRL 0xe004
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#define PLA_GPHY_INTR_IMR 0xe022
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#define PLA_EEE_CR 0xe040
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#define PLA_EEEP_CR 0xe080
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#define PLA_MAC_PWR_CTRL 0xe0c0
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#define PLA_MAC_PWR_CTRL2 0xe0ca
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#define PLA_MAC_PWR_CTRL3 0xe0cc
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#define PLA_MAC_PWR_CTRL4 0xe0ce
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#define PLA_WDT6_CTRL 0xe428
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#define PLA_TCR0 0xe610
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#define PLA_TCR1 0xe612
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#define PLA_MTPS 0xe615
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#define PLA_TXFIFO_CTRL 0xe618
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#define PLA_RSTTALLY 0xe800
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#define PLA_CR 0xe813
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#define PLA_CRWECR 0xe81c
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#define PLA_CONFIG12 0xe81e /* CONFIG1, CONFIG2 */
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#define PLA_CONFIG34 0xe820 /* CONFIG3, CONFIG4 */
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#define PLA_CONFIG5 0xe822
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#define PLA_PHY_PWR 0xe84c
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#define PLA_OOB_CTRL 0xe84f
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#define PLA_CPCR 0xe854
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#define PLA_MISC_0 0xe858
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#define PLA_MISC_1 0xe85a
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#define PLA_OCP_GPHY_BASE 0xe86c
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#define PLA_TALLYCNT 0xe890
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#define PLA_SFF_STS_7 0xe8de
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#define PLA_PHYSTATUS 0xe908
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#define PLA_BP_BA 0xfc26
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#define PLA_BP_0 0xfc28
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#define PLA_BP_1 0xfc2a
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#define PLA_BP_2 0xfc2c
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#define PLA_BP_3 0xfc2e
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#define PLA_BP_4 0xfc30
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#define PLA_BP_5 0xfc32
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#define PLA_BP_6 0xfc34
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#define PLA_BP_7 0xfc36
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#define PLA_BP_EN 0xfc38
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#define USB_USB2PHY 0xb41e
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#define USB_SSPHYLINK2 0xb428
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#define USB_U2P3_CTRL 0xb460
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#define USB_CSR_DUMMY1 0xb464
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#define USB_CSR_DUMMY2 0xb466
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#define USB_DEV_STAT 0xb808
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#define USB_CONNECT_TIMER 0xcbf8
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#define USB_BURST_SIZE 0xcfc0
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#define USB_USB_CTRL 0xd406
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#define USB_PHY_CTRL 0xd408
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#define USB_TX_AGG 0xd40a
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#define USB_RX_BUF_TH 0xd40c
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#define USB_USB_TIMER 0xd428
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#define USB_RX_EARLY_TIMEOUT 0xd42c
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#define USB_RX_EARLY_SIZE 0xd42e
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#define USB_PM_CTRL_STATUS 0xd432
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#define USB_TX_DMA 0xd434
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#define USB_TOLERANCE 0xd490
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#define USB_LPM_CTRL 0xd41a
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#define USB_BMU_RESET 0xd4b0
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#define USB_UPS_CTRL 0xd800
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#define USB_MISC_0 0xd81a
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#define USB_POWER_CUT 0xd80a
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#define USB_AFE_CTRL2 0xd824
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#define USB_WDT11_CTRL 0xe43c
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#define USB_BP_BA 0xfc26
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#define USB_BP_0 0xfc28
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#define USB_BP_1 0xfc2a
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#define USB_BP_2 0xfc2c
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#define USB_BP_3 0xfc2e
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#define USB_BP_4 0xfc30
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#define USB_BP_5 0xfc32
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#define USB_BP_6 0xfc34
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#define USB_BP_7 0xfc36
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#define USB_BP_EN 0xfc38
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/* OCP Registers */
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#define OCP_ALDPS_CONFIG 0x2010
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#define OCP_EEE_CONFIG1 0x2080
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#define OCP_EEE_CONFIG2 0x2092
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#define OCP_EEE_CONFIG3 0x2094
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#define OCP_BASE_MII 0xa400
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#define OCP_EEE_AR 0xa41a
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#define OCP_EEE_DATA 0xa41c
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#define OCP_PHY_STATUS 0xa420
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#define OCP_POWER_CFG 0xa430
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#define OCP_EEE_CFG 0xa432
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#define OCP_SRAM_ADDR 0xa436
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#define OCP_SRAM_DATA 0xa438
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#define OCP_DOWN_SPEED 0xa442
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#define OCP_EEE_ABLE 0xa5c4
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#define OCP_EEE_ADV 0xa5d0
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#define OCP_EEE_LPABLE 0xa5d2
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#define OCP_PHY_STATE 0xa708 /* nway state for 8153 */
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#define OCP_ADC_CFG 0xbc06
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/* SRAM Register */
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#define SRAM_LPF_CFG 0x8012
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#define SRAM_10M_AMP1 0x8080
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#define SRAM_10M_AMP2 0x8082
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#define SRAM_IMPEDANCE 0x8084
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/* PLA_RCR */
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#define RCR_AAP 0x00000001
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#define RCR_APM 0x00000002
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#define RCR_AM 0x00000004
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#define RCR_AB 0x00000008
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#define RCR_ACPT_ALL (RCR_AAP | RCR_APM | RCR_AM | RCR_AB)
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/* PLA_RXFIFO_CTRL0 */
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#define RXFIFO_THR1_NORMAL 0x00080002
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#define RXFIFO_THR1_OOB 0x01800003
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/* PLA_RXFIFO_CTRL1 */
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#define RXFIFO_THR2_FULL 0x00000060
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#define RXFIFO_THR2_HIGH 0x00000038
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#define RXFIFO_THR2_OOB 0x0000004a
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#define RXFIFO_THR2_NORMAL 0x00a0
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/* PLA_RXFIFO_CTRL2 */
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#define RXFIFO_THR3_FULL 0x00000078
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#define RXFIFO_THR3_HIGH 0x00000048
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#define RXFIFO_THR3_OOB 0x0000005a
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#define RXFIFO_THR3_NORMAL 0x0110
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/* PLA_TXFIFO_CTRL */
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#define TXFIFO_THR_NORMAL 0x00400008
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#define TXFIFO_THR_NORMAL2 0x01000008
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/* PLA_DMY_REG0 */
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#define ECM_ALDPS 0x0002
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/* PLA_FMC */
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#define FMC_FCR_MCU_EN 0x0001
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/* PLA_EEEP_CR */
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#define EEEP_CR_EEEP_TX 0x0002
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/* PLA_WDT6_CTRL */
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#define WDT6_SET_MODE 0x0010
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/* PLA_TCR0 */
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#define TCR0_TX_EMPTY 0x0800
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#define TCR0_AUTO_FIFO 0x0080
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/* PLA_TCR1 */
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#define VERSION_MASK 0x7cf0
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/* PLA_MTPS */
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#define MTPS_JUMBO (12 * 1024 / 64)
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#define MTPS_DEFAULT (6 * 1024 / 64)
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/* PLA_RSTTALLY */
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#define TALLY_RESET 0x0001
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/* PLA_CR */
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#define CR_RST 0x10
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#define CR_RE 0x08
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#define CR_TE 0x04
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/* PLA_CRWECR */
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#define CRWECR_NORAML 0x00
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#define CRWECR_CONFIG 0xc0
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/* PLA_OOB_CTRL */
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#define NOW_IS_OOB 0x80
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#define TXFIFO_EMPTY 0x20
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#define RXFIFO_EMPTY 0x10
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#define LINK_LIST_READY 0x02
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#define DIS_MCU_CLROOB 0x01
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#define FIFO_EMPTY (TXFIFO_EMPTY | RXFIFO_EMPTY)
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/* PLA_MISC_1 */
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#define RXDY_GATED_EN 0x0008
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/* PLA_SFF_STS_7 */
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#define RE_INIT_LL 0x8000
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#define MCU_BORW_EN 0x4000
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/* PLA_CPCR */
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#define CPCR_RX_VLAN 0x0040
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/* PLA_CFG_WOL */
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#define MAGIC_EN 0x0001
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/* PLA_TEREDO_CFG */
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#define TEREDO_SEL 0x8000
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#define TEREDO_WAKE_MASK 0x7f00
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#define TEREDO_RS_EVENT_MASK 0x00fe
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#define OOB_TEREDO_EN 0x0001
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/* PAL_BDC_CR */
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#define ALDPS_PROXY_MODE 0x0001
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/* PLA_CONFIG34 */
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#define LINK_ON_WAKE_EN 0x0010
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#define LINK_OFF_WAKE_EN 0x0008
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/* PLA_CONFIG5 */
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#define BWF_EN 0x0040
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#define MWF_EN 0x0020
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#define UWF_EN 0x0010
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#define LAN_WAKE_EN 0x0002
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/* PLA_LED_FEATURE */
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#define LED_MODE_MASK 0x0700
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/* PLA_PHY_PWR */
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#define TX_10M_IDLE_EN 0x0080
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#define PFM_PWM_SWITCH 0x0040
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/* PLA_MAC_PWR_CTRL */
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#define D3_CLK_GATED_EN 0x00004000
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#define MCU_CLK_RATIO 0x07010f07
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#define MCU_CLK_RATIO_MASK 0x0f0f0f0f
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#define ALDPS_SPDWN_RATIO 0x0f87
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/* PLA_MAC_PWR_CTRL2 */
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#define EEE_SPDWN_RATIO 0x8007
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/* PLA_MAC_PWR_CTRL3 */
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#define PKT_AVAIL_SPDWN_EN 0x0100
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#define SUSPEND_SPDWN_EN 0x0004
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#define U1U2_SPDWN_EN 0x0002
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#define L1_SPDWN_EN 0x0001
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/* PLA_MAC_PWR_CTRL4 */
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#define PWRSAVE_SPDWN_EN 0x1000
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#define RXDV_SPDWN_EN 0x0800
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#define TX10MIDLE_EN 0x0100
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#define TP100_SPDWN_EN 0x0020
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#define TP500_SPDWN_EN 0x0010
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#define TP1000_SPDWN_EN 0x0008
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#define EEE_SPDWN_EN 0x0001
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/* PLA_GPHY_INTR_IMR */
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#define GPHY_STS_MSK 0x0001
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#define SPEED_DOWN_MSK 0x0002
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#define SPDWN_RXDV_MSK 0x0004
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#define SPDWN_LINKCHG_MSK 0x0008
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/* PLA_PHYAR */
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#define PHYAR_FLAG 0x80000000
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/* PLA_EEE_CR */
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#define EEE_RX_EN 0x0001
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#define EEE_TX_EN 0x0002
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/* PLA_BOOT_CTRL */
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#define AUTOLOAD_DONE 0x0002
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/* USB_USB2PHY */
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#define USB2PHY_SUSPEND 0x0001
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#define USB2PHY_L1 0x0002
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/* USB_SSPHYLINK2 */
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#define pwd_dn_scale_mask 0x3ffe
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#define pwd_dn_scale(x) ((x) << 1)
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/* USB_CSR_DUMMY1 */
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#define DYNAMIC_BURST 0x0001
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/* USB_CSR_DUMMY2 */
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#define EP4_FULL_FC 0x0001
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/* USB_DEV_STAT */
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#define STAT_SPEED_MASK 0x0006
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#define STAT_SPEED_HIGH 0x0000
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#define STAT_SPEED_FULL 0x0002
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/* USB_TX_AGG */
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#define TX_AGG_MAX_THRESHOLD 0x03
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/* USB_RX_BUF_TH */
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#define RX_THR_SUPPER 0x0c350180
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#define RX_THR_HIGH 0x7a120180
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#define RX_THR_SLOW 0xffff0180
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/* USB_TX_DMA */
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#define TEST_MODE_DISABLE 0x00000001
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#define TX_SIZE_ADJUST1 0x00000100
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/* USB_BMU_RESET */
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#define BMU_RESET_EP_IN 0x01
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#define BMU_RESET_EP_OUT 0x02
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/* USB_UPS_CTRL */
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#define POWER_CUT 0x0100
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/* USB_PM_CTRL_STATUS */
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#define RESUME_INDICATE 0x0001
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/* USB_USB_CTRL */
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#define RX_AGG_DISABLE 0x0010
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#define RX_ZERO_EN 0x0080
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/* USB_U2P3_CTRL */
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#define U2P3_ENABLE 0x0001
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/* USB_POWER_CUT */
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#define PWR_EN 0x0001
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#define PHASE2_EN 0x0008
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/* USB_MISC_0 */
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#define PCUT_STATUS 0x0001
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/* USB_RX_EARLY_TIMEOUT */
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#define COALESCE_SUPER 85000U
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#define COALESCE_HIGH 250000U
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#define COALESCE_SLOW 524280U
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/* USB_WDT11_CTRL */
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#define TIMER11_EN 0x0001
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/* USB_LPM_CTRL */
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/* bit 4 ~ 5: fifo empty boundary */
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#define FIFO_EMPTY_1FB 0x30 /* 0x1fb * 64 = 32448 bytes */
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/* bit 2 ~ 3: LMP timer */
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#define LPM_TIMER_MASK 0x0c
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#define LPM_TIMER_500MS 0x04 /* 500 ms */
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#define LPM_TIMER_500US 0x0c /* 500 us */
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#define ROK_EXIT_LPM 0x02
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/* USB_AFE_CTRL2 */
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#define SEN_VAL_MASK 0xf800
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#define SEN_VAL_NORMAL 0xa000
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#define SEL_RXIDLE 0x0100
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/* OCP_ALDPS_CONFIG */
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#define ENPWRSAVE 0x8000
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#define ENPDNPS 0x0200
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#define LINKENA 0x0100
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#define DIS_SDSAVE 0x0010
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/* OCP_PHY_STATUS */
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#define PHY_STAT_MASK 0x0007
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#define PHY_STAT_LAN_ON 3
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#define PHY_STAT_PWRDN 5
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/* OCP_POWER_CFG */
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#define EEE_CLKDIV_EN 0x8000
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#define EN_ALDPS 0x0004
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#define EN_10M_PLLOFF 0x0001
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/* OCP_EEE_CONFIG1 */
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#define RG_TXLPI_MSK_HFDUP 0x8000
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#define RG_MATCLR_EN 0x4000
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#define EEE_10_CAP 0x2000
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#define EEE_NWAY_EN 0x1000
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#define TX_QUIET_EN 0x0200
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#define RX_QUIET_EN 0x0100
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#define sd_rise_time_mask 0x0070
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#define sd_rise_time(x) (min(x, 7) << 4) /* bit 4 ~ 6 */
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#define RG_RXLPI_MSK_HFDUP 0x0008
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#define SDFALLTIME 0x0007 /* bit 0 ~ 2 */
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/* OCP_EEE_CONFIG2 */
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#define RG_LPIHYS_NUM 0x7000 /* bit 12 ~ 15 */
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#define RG_DACQUIET_EN 0x0400
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#define RG_LDVQUIET_EN 0x0200
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#define RG_CKRSEL 0x0020
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#define RG_EEEPRG_EN 0x0010
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/* OCP_EEE_CONFIG3 */
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#define fast_snr_mask 0xff80
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#define fast_snr(x) (min(x, 0x1ff) << 7) /* bit 7 ~ 15 */
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#define RG_LFS_SEL 0x0060 /* bit 6 ~ 5 */
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#define MSK_PH 0x0006 /* bit 0 ~ 3 */
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/* OCP_EEE_AR */
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/* bit[15:14] function */
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#define FUN_ADDR 0x0000
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#define FUN_DATA 0x4000
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/* bit[4:0] device addr */
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/* OCP_EEE_CFG */
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#define CTAP_SHORT_EN 0x0040
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#define EEE10_EN 0x0010
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/* OCP_DOWN_SPEED */
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#define EN_10M_BGOFF 0x0080
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/* OCP_PHY_STATE */
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#define TXDIS_STATE 0x01
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#define ABD_STATE 0x02
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/* OCP_ADC_CFG */
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#define CKADSEL_L 0x0100
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#define ADC_EN 0x0080
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#define EN_EMI_L 0x0040
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/* SRAM_LPF_CFG */
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#define LPF_AUTO_TUNE 0x8000
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/* SRAM_10M_AMP1 */
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#define GDAC_IB_UPALL 0x0008
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/* SRAM_10M_AMP2 */
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#define AMP_DN 0x0200
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/* SRAM_IMPEDANCE */
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#define RX_DRIVING_MASK 0x6000
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/* MAC PASSTHRU */
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#define AD_MASK 0xfee0
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#define EFUSE 0xcfdb
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#define PASS_THRU_MASK 0x1
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enum rtl_register_content {
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_1000bps = 0x10,
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_100bps = 0x08,
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_10bps = 0x04,
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LINK_STATUS = 0x02,
|
|
FULL_DUP = 0x01,
|
|
};
|
|
|
|
#define RTL8152_MAX_TX 4
|
|
#define RTL8152_MAX_RX 10
|
|
#define INTBUFSIZE 2
|
|
#define CRC_SIZE 4
|
|
#define TX_ALIGN 4
|
|
#define RX_ALIGN 8
|
|
|
|
#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 RTL8153_MAX_PACKET 9216 /* 9K */
|
|
#define RTL8153_MAX_MTU (RTL8153_MAX_PACKET - VLAN_ETH_HLEN - VLAN_HLEN)
|
|
#define RTL8152_RMS (VLAN_ETH_FRAME_LEN + VLAN_HLEN)
|
|
#define RTL8153_RMS RTL8153_MAX_PACKET
|
|
#define RTL8152_TX_TIMEOUT (5 * HZ)
|
|
#define RTL8152_NAPI_WEIGHT 64
|
|
#define rx_reserved_size(x) ((x) + VLAN_ETH_HLEN + CRC_SIZE + \
|
|
sizeof(struct rx_desc) + RX_ALIGN)
|
|
|
|
/* rtl8152 flags */
|
|
enum rtl8152_flags {
|
|
RTL8152_UNPLUG = 0,
|
|
RTL8152_SET_RX_MODE,
|
|
WORK_ENABLE,
|
|
RTL8152_LINK_CHG,
|
|
SELECTIVE_SUSPEND,
|
|
PHY_RESET,
|
|
SCHEDULE_NAPI,
|
|
};
|
|
|
|
/* Define these values to match your device */
|
|
#define VENDOR_ID_REALTEK 0x0bda
|
|
#define VENDOR_ID_MICROSOFT 0x045e
|
|
#define VENDOR_ID_SAMSUNG 0x04e8
|
|
#define VENDOR_ID_LENOVO 0x17ef
|
|
#define VENDOR_ID_NVIDIA 0x0955
|
|
|
|
#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 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 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;
|
|
struct urb *urb;
|
|
struct r8152 *context;
|
|
void *buffer;
|
|
void *head;
|
|
};
|
|
|
|
struct tx_agg {
|
|
struct list_head list;
|
|
struct urb *urb;
|
|
struct r8152 *context;
|
|
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 rx_agg rx_info[RTL8152_MAX_RX];
|
|
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 */
|
|
#ifdef CONFIG_PM_SLEEP
|
|
struct notifier_block pm_notifier;
|
|
#endif
|
|
|
|
struct rtl_ops {
|
|
void (*init)(struct r8152 *);
|
|
int (*enable)(struct r8152 *);
|
|
void (*disable)(struct r8152 *);
|
|
void (*up)(struct r8152 *);
|
|
void (*down)(struct r8152 *);
|
|
void (*unload)(struct r8152 *);
|
|
int (*eee_get)(struct r8152 *, struct ethtool_eee *);
|
|
int (*eee_set)(struct r8152 *, struct ethtool_eee *);
|
|
bool (*in_nway)(struct r8152 *);
|
|
void (*hw_phy_cfg)(struct r8152 *);
|
|
void (*autosuspend_en)(struct r8152 *tp, bool enable);
|
|
} rtl_ops;
|
|
|
|
int intr_interval;
|
|
u32 saved_wolopts;
|
|
u32 msg_enable;
|
|
u32 tx_qlen;
|
|
u32 coalesce;
|
|
u16 ocp_base;
|
|
u16 speed;
|
|
u8 *intr_buff;
|
|
u8 version;
|
|
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_MAX
|
|
};
|
|
|
|
enum tx_csum_stat {
|
|
TX_CSUM_SUCCESS = 0,
|
|
TX_CSUM_TSO,
|
|
TX_CSUM_NONE
|
|
};
|
|
|
|
/* Maximum number of multicast addresses to filter (vs. Rx-all-multicast).
|
|
* The RTL chips use a 64 element hash table based on the Ethernet CRC.
|
|
*/
|
|
static const int multicast_filter_limit = 32;
|
|
static unsigned int agg_buf_sz = 16384;
|
|
|
|
#define RTL_LIMITED_TSO_SIZE (agg_buf_sz - sizeof(struct tx_desc) - \
|
|
VLAN_ETH_HLEN - VLAN_HLEN)
|
|
|
|
static
|
|
int get_registers(struct r8152 *tp, u16 value, u16 index, u16 size, void *data)
|
|
{
|
|
int ret;
|
|
void *tmp;
|
|
|
|
tmp = kmalloc(size, GFP_KERNEL);
|
|
if (!tmp)
|
|
return -ENOMEM;
|
|
|
|
ret = usb_control_msg(tp->udev, usb_rcvctrlpipe(tp->udev, 0),
|
|
RTL8152_REQ_GET_REGS, RTL8152_REQT_READ,
|
|
value, index, tmp, size, 500);
|
|
|
|
memcpy(data, tmp, size);
|
|
kfree(tmp);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static
|
|
int set_registers(struct r8152 *tp, u16 value, u16 index, u16 size, void *data)
|
|
{
|
|
int ret;
|
|
void *tmp;
|
|
|
|
tmp = kmemdup(data, size, GFP_KERNEL);
|
|
if (!tmp)
|
|
return -ENOMEM;
|
|
|
|
ret = usb_control_msg(tp->udev, usb_sndctrlpipe(tp->udev, 0),
|
|
RTL8152_REQ_SET_REGS, RTL8152_REQT_WRITE,
|
|
value, index, tmp, size, 500);
|
|
|
|
kfree(tmp);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int generic_ocp_read(struct r8152 *tp, u16 index, u16 size,
|
|
void *data, u16 type)
|
|
{
|
|
u16 limit = 64;
|
|
int ret = 0;
|
|
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags))
|
|
return -ENODEV;
|
|
|
|
/* both size and indix must be 4 bytes align */
|
|
if ((size & 3) || !size || (index & 3) || !data)
|
|
return -EPERM;
|
|
|
|
if ((u32)index + (u32)size > 0xffff)
|
|
return -EPERM;
|
|
|
|
while (size) {
|
|
if (size > limit) {
|
|
ret = get_registers(tp, index, type, limit, data);
|
|
if (ret < 0)
|
|
break;
|
|
|
|
index += limit;
|
|
data += limit;
|
|
size -= limit;
|
|
} else {
|
|
ret = get_registers(tp, index, type, size, data);
|
|
if (ret < 0)
|
|
break;
|
|
|
|
index += size;
|
|
data += size;
|
|
size = 0;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (ret == -ENODEV)
|
|
set_bit(RTL8152_UNPLUG, &tp->flags);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int generic_ocp_write(struct r8152 *tp, u16 index, u16 byteen,
|
|
u16 size, void *data, u16 type)
|
|
{
|
|
int ret;
|
|
u16 byteen_start, byteen_end, byen;
|
|
u16 limit = 512;
|
|
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags))
|
|
return -ENODEV;
|
|
|
|
/* both size and indix must be 4 bytes align */
|
|
if ((size & 3) || !size || (index & 3) || !data)
|
|
return -EPERM;
|
|
|
|
if ((u32)index + (u32)size > 0xffff)
|
|
return -EPERM;
|
|
|
|
byteen_start = byteen & BYTE_EN_START_MASK;
|
|
byteen_end = byteen & BYTE_EN_END_MASK;
|
|
|
|
byen = byteen_start | (byteen_start << 4);
|
|
ret = set_registers(tp, index, type | byen, 4, data);
|
|
if (ret < 0)
|
|
goto error1;
|
|
|
|
index += 4;
|
|
data += 4;
|
|
size -= 4;
|
|
|
|
if (size) {
|
|
size -= 4;
|
|
|
|
while (size) {
|
|
if (size > limit) {
|
|
ret = set_registers(tp, index,
|
|
type | BYTE_EN_DWORD,
|
|
limit, data);
|
|
if (ret < 0)
|
|
goto error1;
|
|
|
|
index += limit;
|
|
data += limit;
|
|
size -= limit;
|
|
} else {
|
|
ret = set_registers(tp, index,
|
|
type | BYTE_EN_DWORD,
|
|
size, data);
|
|
if (ret < 0)
|
|
goto error1;
|
|
|
|
index += size;
|
|
data += size;
|
|
size = 0;
|
|
break;
|
|
}
|
|
}
|
|
|
|
byen = byteen_end | (byteen_end >> 4);
|
|
ret = set_registers(tp, index, type | byen, 4, data);
|
|
if (ret < 0)
|
|
goto error1;
|
|
}
|
|
|
|
error1:
|
|
if (ret == -ENODEV)
|
|
set_bit(RTL8152_UNPLUG, &tp->flags);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static inline
|
|
int pla_ocp_read(struct r8152 *tp, u16 index, u16 size, void *data)
|
|
{
|
|
return generic_ocp_read(tp, index, size, data, MCU_TYPE_PLA);
|
|
}
|
|
|
|
static inline
|
|
int pla_ocp_write(struct r8152 *tp, u16 index, u16 byteen, u16 size, void *data)
|
|
{
|
|
return generic_ocp_write(tp, index, byteen, size, data, MCU_TYPE_PLA);
|
|
}
|
|
|
|
static inline
|
|
int usb_ocp_write(struct r8152 *tp, u16 index, u16 byteen, u16 size, void *data)
|
|
{
|
|
return generic_ocp_write(tp, index, byteen, size, data, MCU_TYPE_USB);
|
|
}
|
|
|
|
static u32 ocp_read_dword(struct r8152 *tp, u16 type, u16 index)
|
|
{
|
|
__le32 data;
|
|
|
|
generic_ocp_read(tp, index, sizeof(data), &data, type);
|
|
|
|
return __le32_to_cpu(data);
|
|
}
|
|
|
|
static void ocp_write_dword(struct r8152 *tp, u16 type, u16 index, u32 data)
|
|
{
|
|
__le32 tmp = __cpu_to_le32(data);
|
|
|
|
generic_ocp_write(tp, index, BYTE_EN_DWORD, sizeof(tmp), &tmp, type);
|
|
}
|
|
|
|
static u16 ocp_read_word(struct r8152 *tp, u16 type, u16 index)
|
|
{
|
|
u32 data;
|
|
__le32 tmp;
|
|
u8 shift = index & 2;
|
|
|
|
index &= ~3;
|
|
|
|
generic_ocp_read(tp, index, sizeof(tmp), &tmp, type);
|
|
|
|
data = __le32_to_cpu(tmp);
|
|
data >>= (shift * 8);
|
|
data &= 0xffff;
|
|
|
|
return (u16)data;
|
|
}
|
|
|
|
static void ocp_write_word(struct r8152 *tp, u16 type, u16 index, u32 data)
|
|
{
|
|
u32 mask = 0xffff;
|
|
__le32 tmp;
|
|
u16 byen = BYTE_EN_WORD;
|
|
u8 shift = index & 2;
|
|
|
|
data &= mask;
|
|
|
|
if (index & 2) {
|
|
byen <<= shift;
|
|
mask <<= (shift * 8);
|
|
data <<= (shift * 8);
|
|
index &= ~3;
|
|
}
|
|
|
|
tmp = __cpu_to_le32(data);
|
|
|
|
generic_ocp_write(tp, index, byen, sizeof(tmp), &tmp, type);
|
|
}
|
|
|
|
static u8 ocp_read_byte(struct r8152 *tp, u16 type, u16 index)
|
|
{
|
|
u32 data;
|
|
__le32 tmp;
|
|
u8 shift = index & 3;
|
|
|
|
index &= ~3;
|
|
|
|
generic_ocp_read(tp, index, sizeof(tmp), &tmp, type);
|
|
|
|
data = __le32_to_cpu(tmp);
|
|
data >>= (shift * 8);
|
|
data &= 0xff;
|
|
|
|
return (u8)data;
|
|
}
|
|
|
|
static void ocp_write_byte(struct r8152 *tp, u16 type, u16 index, u32 data)
|
|
{
|
|
u32 mask = 0xff;
|
|
__le32 tmp;
|
|
u16 byen = BYTE_EN_BYTE;
|
|
u8 shift = index & 3;
|
|
|
|
data &= mask;
|
|
|
|
if (index & 3) {
|
|
byen <<= shift;
|
|
mask <<= (shift * 8);
|
|
data <<= (shift * 8);
|
|
index &= ~3;
|
|
}
|
|
|
|
tmp = __cpu_to_le32(data);
|
|
|
|
generic_ocp_write(tp, index, byen, sizeof(tmp), &tmp, type);
|
|
}
|
|
|
|
static u16 ocp_reg_read(struct r8152 *tp, u16 addr)
|
|
{
|
|
u16 ocp_base, ocp_index;
|
|
|
|
ocp_base = addr & 0xf000;
|
|
if (ocp_base != tp->ocp_base) {
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_OCP_GPHY_BASE, ocp_base);
|
|
tp->ocp_base = ocp_base;
|
|
}
|
|
|
|
ocp_index = (addr & 0x0fff) | 0xb000;
|
|
return ocp_read_word(tp, MCU_TYPE_PLA, ocp_index);
|
|
}
|
|
|
|
static void ocp_reg_write(struct r8152 *tp, u16 addr, u16 data)
|
|
{
|
|
u16 ocp_base, ocp_index;
|
|
|
|
ocp_base = addr & 0xf000;
|
|
if (ocp_base != tp->ocp_base) {
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_OCP_GPHY_BASE, ocp_base);
|
|
tp->ocp_base = ocp_base;
|
|
}
|
|
|
|
ocp_index = (addr & 0x0fff) | 0xb000;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, ocp_index, data);
|
|
}
|
|
|
|
static inline void r8152_mdio_write(struct r8152 *tp, u32 reg_addr, u32 value)
|
|
{
|
|
ocp_reg_write(tp, OCP_BASE_MII + reg_addr * 2, value);
|
|
}
|
|
|
|
static inline int r8152_mdio_read(struct r8152 *tp, u32 reg_addr)
|
|
{
|
|
return ocp_reg_read(tp, OCP_BASE_MII + reg_addr * 2);
|
|
}
|
|
|
|
static void sram_write(struct r8152 *tp, u16 addr, u16 data)
|
|
{
|
|
ocp_reg_write(tp, OCP_SRAM_ADDR, addr);
|
|
ocp_reg_write(tp, OCP_SRAM_DATA, data);
|
|
}
|
|
|
|
static int read_mii_word(struct net_device *netdev, int phy_id, int reg)
|
|
{
|
|
struct r8152 *tp = netdev_priv(netdev);
|
|
int ret;
|
|
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags))
|
|
return -ENODEV;
|
|
|
|
if (phy_id != R8152_PHY_ID)
|
|
return -EINVAL;
|
|
|
|
ret = r8152_mdio_read(tp, reg);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static
|
|
void write_mii_word(struct net_device *netdev, int phy_id, int reg, int val)
|
|
{
|
|
struct r8152 *tp = netdev_priv(netdev);
|
|
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags))
|
|
return;
|
|
|
|
if (phy_id != R8152_PHY_ID)
|
|
return;
|
|
|
|
r8152_mdio_write(tp, reg, val);
|
|
}
|
|
|
|
static int
|
|
r8152_submit_rx(struct r8152 *tp, struct rx_agg *agg, gfp_t mem_flags);
|
|
|
|
static int rtl8152_set_mac_address(struct net_device *netdev, void *p)
|
|
{
|
|
struct r8152 *tp = netdev_priv(netdev);
|
|
struct sockaddr *addr = p;
|
|
int ret = -EADDRNOTAVAIL;
|
|
|
|
if (!is_valid_ether_addr(addr->sa_data))
|
|
goto out1;
|
|
|
|
ret = usb_autopm_get_interface(tp->intf);
|
|
if (ret < 0)
|
|
goto out1;
|
|
|
|
mutex_lock(&tp->control);
|
|
|
|
memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
|
|
|
|
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_CONFIG);
|
|
pla_ocp_write(tp, PLA_IDR, BYTE_EN_SIX_BYTES, 8, addr->sa_data);
|
|
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML);
|
|
|
|
mutex_unlock(&tp->control);
|
|
|
|
usb_autopm_put_interface(tp->intf);
|
|
out1:
|
|
return ret;
|
|
}
|
|
|
|
/* Devices containing RTL8153-AD can support a persistent
|
|
* host system provided MAC address.
|
|
* Examples of this are Dell TB15 and Dell WD15 docks
|
|
*/
|
|
static int vendor_mac_passthru_addr_read(struct r8152 *tp, struct sockaddr *sa)
|
|
{
|
|
acpi_status status;
|
|
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
|
|
union acpi_object *obj;
|
|
int ret = -EINVAL;
|
|
u32 ocp_data;
|
|
unsigned char buf[6];
|
|
|
|
/* test for -AD variant of RTL8153 */
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_MISC_0);
|
|
if ((ocp_data & AD_MASK) != 0x1000)
|
|
return -ENODEV;
|
|
|
|
/* test for MAC address pass-through bit */
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, EFUSE);
|
|
if ((ocp_data & PASS_THRU_MASK) != 1)
|
|
return -ENODEV;
|
|
|
|
/* returns _AUXMAC_#AABBCCDDEEFF# */
|
|
status = acpi_evaluate_object(NULL, "\\_SB.AMAC", NULL, &buffer);
|
|
obj = (union acpi_object *)buffer.pointer;
|
|
if (!ACPI_SUCCESS(status))
|
|
return -ENODEV;
|
|
if (obj->type != ACPI_TYPE_BUFFER || obj->string.length != 0x17) {
|
|
netif_warn(tp, probe, tp->netdev,
|
|
"Invalid buffer for pass-thru MAC addr: (%d, %d)\n",
|
|
obj->type, obj->string.length);
|
|
goto amacout;
|
|
}
|
|
if (strncmp(obj->string.pointer, "_AUXMAC_#", 9) != 0 ||
|
|
strncmp(obj->string.pointer + 0x15, "#", 1) != 0) {
|
|
netif_warn(tp, probe, tp->netdev,
|
|
"Invalid header when reading pass-thru MAC addr\n");
|
|
goto amacout;
|
|
}
|
|
ret = hex2bin(buf, obj->string.pointer + 9, 6);
|
|
if (!(ret == 0 && is_valid_ether_addr(buf))) {
|
|
netif_warn(tp, probe, tp->netdev,
|
|
"Invalid MAC for pass-thru MAC addr: %d, %pM\n",
|
|
ret, buf);
|
|
ret = -EINVAL;
|
|
goto amacout;
|
|
}
|
|
memcpy(sa->sa_data, buf, 6);
|
|
ether_addr_copy(tp->netdev->dev_addr, sa->sa_data);
|
|
netif_info(tp, probe, tp->netdev,
|
|
"Using pass-thru MAC addr %pM\n", sa->sa_data);
|
|
|
|
amacout:
|
|
kfree(obj);
|
|
return ret;
|
|
}
|
|
|
|
static int set_ethernet_addr(struct r8152 *tp)
|
|
{
|
|
struct net_device *dev = tp->netdev;
|
|
struct sockaddr sa;
|
|
int ret;
|
|
|
|
if (tp->version == RTL_VER_01) {
|
|
ret = pla_ocp_read(tp, PLA_IDR, 8, sa.sa_data);
|
|
} else {
|
|
/* if this is not an RTL8153-AD, no eFuse mac pass thru set,
|
|
* or system doesn't provide valid _SB.AMAC this will be
|
|
* be expected to non-zero
|
|
*/
|
|
ret = vendor_mac_passthru_addr_read(tp, &sa);
|
|
if (ret < 0)
|
|
ret = pla_ocp_read(tp, PLA_BACKUP, 8, sa.sa_data);
|
|
}
|
|
|
|
if (ret < 0) {
|
|
netif_err(tp, probe, dev, "Get ether addr fail\n");
|
|
} else if (!is_valid_ether_addr(sa.sa_data)) {
|
|
netif_err(tp, probe, dev, "Invalid ether addr %pM\n",
|
|
sa.sa_data);
|
|
eth_hw_addr_random(dev);
|
|
ether_addr_copy(sa.sa_data, dev->dev_addr);
|
|
ret = rtl8152_set_mac_address(dev, &sa);
|
|
netif_info(tp, probe, dev, "Random ether addr %pM\n",
|
|
sa.sa_data);
|
|
} else {
|
|
if (tp->version == RTL_VER_01)
|
|
ether_addr_copy(dev->dev_addr, sa.sa_data);
|
|
else
|
|
ret = rtl8152_set_mac_address(dev, &sa);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void read_bulk_callback(struct urb *urb)
|
|
{
|
|
struct net_device *netdev;
|
|
int status = urb->status;
|
|
struct rx_agg *agg;
|
|
struct r8152 *tp;
|
|
|
|
agg = urb->context;
|
|
if (!agg)
|
|
return;
|
|
|
|
tp = agg->context;
|
|
if (!tp)
|
|
return;
|
|
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags))
|
|
return;
|
|
|
|
if (!test_bit(WORK_ENABLE, &tp->flags))
|
|
return;
|
|
|
|
netdev = tp->netdev;
|
|
|
|
/* When link down, the driver would cancel all bulks. */
|
|
/* This avoid the re-submitting bulk */
|
|
if (!netif_carrier_ok(netdev))
|
|
return;
|
|
|
|
usb_mark_last_busy(tp->udev);
|
|
|
|
switch (status) {
|
|
case 0:
|
|
if (urb->actual_length < ETH_ZLEN)
|
|
break;
|
|
|
|
spin_lock(&tp->rx_lock);
|
|
list_add_tail(&agg->list, &tp->rx_done);
|
|
spin_unlock(&tp->rx_lock);
|
|
napi_schedule(&tp->napi);
|
|
return;
|
|
case -ESHUTDOWN:
|
|
set_bit(RTL8152_UNPLUG, &tp->flags);
|
|
netif_device_detach(tp->netdev);
|
|
return;
|
|
case -ENOENT:
|
|
return; /* the urb is in unlink state */
|
|
case -ETIME:
|
|
if (net_ratelimit())
|
|
netdev_warn(netdev, "maybe reset is needed?\n");
|
|
break;
|
|
default:
|
|
if (net_ratelimit())
|
|
netdev_warn(netdev, "Rx status %d\n", status);
|
|
break;
|
|
}
|
|
|
|
r8152_submit_rx(tp, agg, GFP_ATOMIC);
|
|
}
|
|
|
|
static void write_bulk_callback(struct urb *urb)
|
|
{
|
|
struct net_device_stats *stats;
|
|
struct net_device *netdev;
|
|
struct tx_agg *agg;
|
|
struct r8152 *tp;
|
|
int status = urb->status;
|
|
|
|
agg = urb->context;
|
|
if (!agg)
|
|
return;
|
|
|
|
tp = agg->context;
|
|
if (!tp)
|
|
return;
|
|
|
|
netdev = tp->netdev;
|
|
stats = &netdev->stats;
|
|
if (status) {
|
|
if (net_ratelimit())
|
|
netdev_warn(netdev, "Tx status %d\n", status);
|
|
stats->tx_errors += agg->skb_num;
|
|
} else {
|
|
stats->tx_packets += agg->skb_num;
|
|
stats->tx_bytes += agg->skb_len;
|
|
}
|
|
|
|
spin_lock(&tp->tx_lock);
|
|
list_add_tail(&agg->list, &tp->tx_free);
|
|
spin_unlock(&tp->tx_lock);
|
|
|
|
usb_autopm_put_interface_async(tp->intf);
|
|
|
|
if (!netif_carrier_ok(netdev))
|
|
return;
|
|
|
|
if (!test_bit(WORK_ENABLE, &tp->flags))
|
|
return;
|
|
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags))
|
|
return;
|
|
|
|
if (!skb_queue_empty(&tp->tx_queue))
|
|
napi_schedule(&tp->napi);
|
|
}
|
|
|
|
static void intr_callback(struct urb *urb)
|
|
{
|
|
struct r8152 *tp;
|
|
__le16 *d;
|
|
int status = urb->status;
|
|
int res;
|
|
|
|
tp = urb->context;
|
|
if (!tp)
|
|
return;
|
|
|
|
if (!test_bit(WORK_ENABLE, &tp->flags))
|
|
return;
|
|
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags))
|
|
return;
|
|
|
|
switch (status) {
|
|
case 0: /* success */
|
|
break;
|
|
case -ECONNRESET: /* unlink */
|
|
case -ESHUTDOWN:
|
|
netif_device_detach(tp->netdev);
|
|
case -ENOENT:
|
|
case -EPROTO:
|
|
netif_info(tp, intr, tp->netdev,
|
|
"Stop submitting intr, status %d\n", status);
|
|
return;
|
|
case -EOVERFLOW:
|
|
netif_info(tp, intr, tp->netdev, "intr status -EOVERFLOW\n");
|
|
goto resubmit;
|
|
/* -EPIPE: should clear the halt */
|
|
default:
|
|
netif_info(tp, intr, tp->netdev, "intr status %d\n", status);
|
|
goto resubmit;
|
|
}
|
|
|
|
d = urb->transfer_buffer;
|
|
if (INTR_LINK & __le16_to_cpu(d[0])) {
|
|
if (!netif_carrier_ok(tp->netdev)) {
|
|
set_bit(RTL8152_LINK_CHG, &tp->flags);
|
|
schedule_delayed_work(&tp->schedule, 0);
|
|
}
|
|
} else {
|
|
if (netif_carrier_ok(tp->netdev)) {
|
|
netif_stop_queue(tp->netdev);
|
|
set_bit(RTL8152_LINK_CHG, &tp->flags);
|
|
schedule_delayed_work(&tp->schedule, 0);
|
|
}
|
|
}
|
|
|
|
resubmit:
|
|
res = usb_submit_urb(urb, GFP_ATOMIC);
|
|
if (res == -ENODEV) {
|
|
set_bit(RTL8152_UNPLUG, &tp->flags);
|
|
netif_device_detach(tp->netdev);
|
|
} else if (res) {
|
|
netif_err(tp, intr, tp->netdev,
|
|
"can't resubmit intr, status %d\n", res);
|
|
}
|
|
}
|
|
|
|
static inline void *rx_agg_align(void *data)
|
|
{
|
|
return (void *)ALIGN((uintptr_t)data, RX_ALIGN);
|
|
}
|
|
|
|
static inline void *tx_agg_align(void *data)
|
|
{
|
|
return (void *)ALIGN((uintptr_t)data, TX_ALIGN);
|
|
}
|
|
|
|
static void free_all_mem(struct r8152 *tp)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < RTL8152_MAX_RX; i++) {
|
|
usb_free_urb(tp->rx_info[i].urb);
|
|
tp->rx_info[i].urb = NULL;
|
|
|
|
kfree(tp->rx_info[i].buffer);
|
|
tp->rx_info[i].buffer = NULL;
|
|
tp->rx_info[i].head = NULL;
|
|
}
|
|
|
|
for (i = 0; i < RTL8152_MAX_TX; i++) {
|
|
usb_free_urb(tp->tx_info[i].urb);
|
|
tp->tx_info[i].urb = NULL;
|
|
|
|
kfree(tp->tx_info[i].buffer);
|
|
tp->tx_info[i].buffer = NULL;
|
|
tp->tx_info[i].head = NULL;
|
|
}
|
|
|
|
usb_free_urb(tp->intr_urb);
|
|
tp->intr_urb = NULL;
|
|
|
|
kfree(tp->intr_buff);
|
|
tp->intr_buff = NULL;
|
|
}
|
|
|
|
static int alloc_all_mem(struct r8152 *tp)
|
|
{
|
|
struct net_device *netdev = tp->netdev;
|
|
struct usb_interface *intf = tp->intf;
|
|
struct usb_host_interface *alt = intf->cur_altsetting;
|
|
struct usb_host_endpoint *ep_intr = alt->endpoint + 2;
|
|
struct urb *urb;
|
|
int node, i;
|
|
u8 *buf;
|
|
|
|
node = netdev->dev.parent ? dev_to_node(netdev->dev.parent) : -1;
|
|
|
|
spin_lock_init(&tp->rx_lock);
|
|
spin_lock_init(&tp->tx_lock);
|
|
INIT_LIST_HEAD(&tp->tx_free);
|
|
INIT_LIST_HEAD(&tp->rx_done);
|
|
skb_queue_head_init(&tp->tx_queue);
|
|
skb_queue_head_init(&tp->rx_queue);
|
|
|
|
for (i = 0; i < RTL8152_MAX_RX; i++) {
|
|
buf = kmalloc_node(agg_buf_sz, GFP_KERNEL, node);
|
|
if (!buf)
|
|
goto err1;
|
|
|
|
if (buf != rx_agg_align(buf)) {
|
|
kfree(buf);
|
|
buf = kmalloc_node(agg_buf_sz + RX_ALIGN, GFP_KERNEL,
|
|
node);
|
|
if (!buf)
|
|
goto err1;
|
|
}
|
|
|
|
urb = usb_alloc_urb(0, GFP_KERNEL);
|
|
if (!urb) {
|
|
kfree(buf);
|
|
goto err1;
|
|
}
|
|
|
|
INIT_LIST_HEAD(&tp->rx_info[i].list);
|
|
tp->rx_info[i].context = tp;
|
|
tp->rx_info[i].urb = urb;
|
|
tp->rx_info[i].buffer = buf;
|
|
tp->rx_info[i].head = rx_agg_align(buf);
|
|
}
|
|
|
|
for (i = 0; i < RTL8152_MAX_TX; i++) {
|
|
buf = kmalloc_node(agg_buf_sz, GFP_KERNEL, node);
|
|
if (!buf)
|
|
goto err1;
|
|
|
|
if (buf != tx_agg_align(buf)) {
|
|
kfree(buf);
|
|
buf = kmalloc_node(agg_buf_sz + TX_ALIGN, GFP_KERNEL,
|
|
node);
|
|
if (!buf)
|
|
goto err1;
|
|
}
|
|
|
|
urb = usb_alloc_urb(0, GFP_KERNEL);
|
|
if (!urb) {
|
|
kfree(buf);
|
|
goto err1;
|
|
}
|
|
|
|
INIT_LIST_HEAD(&tp->tx_info[i].list);
|
|
tp->tx_info[i].context = tp;
|
|
tp->tx_info[i].urb = urb;
|
|
tp->tx_info[i].buffer = buf;
|
|
tp->tx_info[i].head = tx_agg_align(buf);
|
|
|
|
list_add_tail(&tp->tx_info[i].list, &tp->tx_free);
|
|
}
|
|
|
|
tp->intr_urb = usb_alloc_urb(0, GFP_KERNEL);
|
|
if (!tp->intr_urb)
|
|
goto err1;
|
|
|
|
tp->intr_buff = kmalloc(INTBUFSIZE, GFP_KERNEL);
|
|
if (!tp->intr_buff)
|
|
goto err1;
|
|
|
|
tp->intr_interval = (int)ep_intr->desc.bInterval;
|
|
usb_fill_int_urb(tp->intr_urb, tp->udev, usb_rcvintpipe(tp->udev, 3),
|
|
tp->intr_buff, INTBUFSIZE, intr_callback,
|
|
tp, tp->intr_interval);
|
|
|
|
return 0;
|
|
|
|
err1:
|
|
free_all_mem(tp);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
static struct tx_agg *r8152_get_tx_agg(struct r8152 *tp)
|
|
{
|
|
struct tx_agg *agg = NULL;
|
|
unsigned long flags;
|
|
|
|
if (list_empty(&tp->tx_free))
|
|
return NULL;
|
|
|
|
spin_lock_irqsave(&tp->tx_lock, flags);
|
|
if (!list_empty(&tp->tx_free)) {
|
|
struct list_head *cursor;
|
|
|
|
cursor = tp->tx_free.next;
|
|
list_del_init(cursor);
|
|
agg = list_entry(cursor, struct tx_agg, list);
|
|
}
|
|
spin_unlock_irqrestore(&tp->tx_lock, flags);
|
|
|
|
return agg;
|
|
}
|
|
|
|
/* r8152_csum_workaround()
|
|
* The hw limites the value the transport offset. When the offset is out of the
|
|
* range, calculate the checksum by sw.
|
|
*/
|
|
static void r8152_csum_workaround(struct r8152 *tp, struct sk_buff *skb,
|
|
struct sk_buff_head *list)
|
|
{
|
|
if (skb_shinfo(skb)->gso_size) {
|
|
netdev_features_t features = tp->netdev->features;
|
|
struct sk_buff_head seg_list;
|
|
struct sk_buff *segs, *nskb;
|
|
|
|
features &= ~(NETIF_F_SG | NETIF_F_IPV6_CSUM | NETIF_F_TSO6);
|
|
segs = skb_gso_segment(skb, features);
|
|
if (IS_ERR(segs) || !segs)
|
|
goto drop;
|
|
|
|
__skb_queue_head_init(&seg_list);
|
|
|
|
do {
|
|
nskb = segs;
|
|
segs = segs->next;
|
|
nskb->next = NULL;
|
|
__skb_queue_tail(&seg_list, nskb);
|
|
} while (segs);
|
|
|
|
skb_queue_splice(&seg_list, list);
|
|
dev_kfree_skb(skb);
|
|
} else if (skb->ip_summed == CHECKSUM_PARTIAL) {
|
|
if (skb_checksum_help(skb) < 0)
|
|
goto drop;
|
|
|
|
__skb_queue_head(list, skb);
|
|
} else {
|
|
struct net_device_stats *stats;
|
|
|
|
drop:
|
|
stats = &tp->netdev->stats;
|
|
stats->tx_dropped++;
|
|
dev_kfree_skb(skb);
|
|
}
|
|
}
|
|
|
|
/* msdn_giant_send_check()
|
|
* According to the document of microsoft, the TCP Pseudo Header excludes the
|
|
* packet length for IPv6 TCP large packets.
|
|
*/
|
|
static int msdn_giant_send_check(struct sk_buff *skb)
|
|
{
|
|
const struct ipv6hdr *ipv6h;
|
|
struct tcphdr *th;
|
|
int ret;
|
|
|
|
ret = skb_cow_head(skb, 0);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ipv6h = ipv6_hdr(skb);
|
|
th = tcp_hdr(skb);
|
|
|
|
th->check = 0;
|
|
th->check = ~tcp_v6_check(0, &ipv6h->saddr, &ipv6h->daddr, 0);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static inline void rtl_tx_vlan_tag(struct tx_desc *desc, struct sk_buff *skb)
|
|
{
|
|
if (skb_vlan_tag_present(skb)) {
|
|
u32 opts2;
|
|
|
|
opts2 = TX_VLAN_TAG | swab16(skb_vlan_tag_get(skb));
|
|
desc->opts2 |= cpu_to_le32(opts2);
|
|
}
|
|
}
|
|
|
|
static inline void rtl_rx_vlan_tag(struct rx_desc *desc, struct sk_buff *skb)
|
|
{
|
|
u32 opts2 = le32_to_cpu(desc->opts2);
|
|
|
|
if (opts2 & RX_VLAN_TAG)
|
|
__vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q),
|
|
swab16(opts2 & 0xffff));
|
|
}
|
|
|
|
static int r8152_tx_csum(struct r8152 *tp, struct tx_desc *desc,
|
|
struct sk_buff *skb, u32 len, u32 transport_offset)
|
|
{
|
|
u32 mss = skb_shinfo(skb)->gso_size;
|
|
u32 opts1, opts2 = 0;
|
|
int ret = TX_CSUM_SUCCESS;
|
|
|
|
WARN_ON_ONCE(len > TX_LEN_MAX);
|
|
|
|
opts1 = len | TX_FS | TX_LS;
|
|
|
|
if (mss) {
|
|
if (transport_offset > GTTCPHO_MAX) {
|
|
netif_warn(tp, tx_err, tp->netdev,
|
|
"Invalid transport offset 0x%x for TSO\n",
|
|
transport_offset);
|
|
ret = TX_CSUM_TSO;
|
|
goto unavailable;
|
|
}
|
|
|
|
switch (vlan_get_protocol(skb)) {
|
|
case htons(ETH_P_IP):
|
|
opts1 |= GTSENDV4;
|
|
break;
|
|
|
|
case htons(ETH_P_IPV6):
|
|
if (msdn_giant_send_check(skb)) {
|
|
ret = TX_CSUM_TSO;
|
|
goto unavailable;
|
|
}
|
|
opts1 |= GTSENDV6;
|
|
break;
|
|
|
|
default:
|
|
WARN_ON_ONCE(1);
|
|
break;
|
|
}
|
|
|
|
opts1 |= transport_offset << GTTCPHO_SHIFT;
|
|
opts2 |= min(mss, MSS_MAX) << MSS_SHIFT;
|
|
} else if (skb->ip_summed == CHECKSUM_PARTIAL) {
|
|
u8 ip_protocol;
|
|
|
|
if (transport_offset > TCPHO_MAX) {
|
|
netif_warn(tp, tx_err, tp->netdev,
|
|
"Invalid transport offset 0x%x\n",
|
|
transport_offset);
|
|
ret = TX_CSUM_NONE;
|
|
goto unavailable;
|
|
}
|
|
|
|
switch (vlan_get_protocol(skb)) {
|
|
case htons(ETH_P_IP):
|
|
opts2 |= IPV4_CS;
|
|
ip_protocol = ip_hdr(skb)->protocol;
|
|
break;
|
|
|
|
case htons(ETH_P_IPV6):
|
|
opts2 |= IPV6_CS;
|
|
ip_protocol = ipv6_hdr(skb)->nexthdr;
|
|
break;
|
|
|
|
default:
|
|
ip_protocol = IPPROTO_RAW;
|
|
break;
|
|
}
|
|
|
|
if (ip_protocol == IPPROTO_TCP)
|
|
opts2 |= TCP_CS;
|
|
else if (ip_protocol == IPPROTO_UDP)
|
|
opts2 |= UDP_CS;
|
|
else
|
|
WARN_ON_ONCE(1);
|
|
|
|
opts2 |= transport_offset << TCPHO_SHIFT;
|
|
}
|
|
|
|
desc->opts2 = cpu_to_le32(opts2);
|
|
desc->opts1 = cpu_to_le32(opts1);
|
|
|
|
unavailable:
|
|
return ret;
|
|
}
|
|
|
|
static int r8152_tx_agg_fill(struct r8152 *tp, struct tx_agg *agg)
|
|
{
|
|
struct sk_buff_head skb_head, *tx_queue = &tp->tx_queue;
|
|
int remain, ret;
|
|
u8 *tx_data;
|
|
|
|
__skb_queue_head_init(&skb_head);
|
|
spin_lock(&tx_queue->lock);
|
|
skb_queue_splice_init(tx_queue, &skb_head);
|
|
spin_unlock(&tx_queue->lock);
|
|
|
|
tx_data = agg->head;
|
|
agg->skb_num = 0;
|
|
agg->skb_len = 0;
|
|
remain = agg_buf_sz;
|
|
|
|
while (remain >= ETH_ZLEN + sizeof(struct tx_desc)) {
|
|
struct tx_desc *tx_desc;
|
|
struct sk_buff *skb;
|
|
unsigned int len;
|
|
u32 offset;
|
|
|
|
skb = __skb_dequeue(&skb_head);
|
|
if (!skb)
|
|
break;
|
|
|
|
len = skb->len + sizeof(*tx_desc);
|
|
|
|
if (len > remain) {
|
|
__skb_queue_head(&skb_head, skb);
|
|
break;
|
|
}
|
|
|
|
tx_data = tx_agg_align(tx_data);
|
|
tx_desc = (struct tx_desc *)tx_data;
|
|
|
|
offset = (u32)skb_transport_offset(skb);
|
|
|
|
if (r8152_tx_csum(tp, tx_desc, skb, skb->len, offset)) {
|
|
r8152_csum_workaround(tp, skb, &skb_head);
|
|
continue;
|
|
}
|
|
|
|
rtl_tx_vlan_tag(tx_desc, skb);
|
|
|
|
tx_data += sizeof(*tx_desc);
|
|
|
|
len = skb->len;
|
|
if (skb_copy_bits(skb, 0, tx_data, len) < 0) {
|
|
struct net_device_stats *stats = &tp->netdev->stats;
|
|
|
|
stats->tx_dropped++;
|
|
dev_kfree_skb_any(skb);
|
|
tx_data -= sizeof(*tx_desc);
|
|
continue;
|
|
}
|
|
|
|
tx_data += len;
|
|
agg->skb_len += len;
|
|
agg->skb_num++;
|
|
|
|
dev_kfree_skb_any(skb);
|
|
|
|
remain = agg_buf_sz - (int)(tx_agg_align(tx_data) - agg->head);
|
|
}
|
|
|
|
if (!skb_queue_empty(&skb_head)) {
|
|
spin_lock(&tx_queue->lock);
|
|
skb_queue_splice(&skb_head, tx_queue);
|
|
spin_unlock(&tx_queue->lock);
|
|
}
|
|
|
|
netif_tx_lock(tp->netdev);
|
|
|
|
if (netif_queue_stopped(tp->netdev) &&
|
|
skb_queue_len(&tp->tx_queue) < tp->tx_qlen)
|
|
netif_wake_queue(tp->netdev);
|
|
|
|
netif_tx_unlock(tp->netdev);
|
|
|
|
ret = usb_autopm_get_interface_async(tp->intf);
|
|
if (ret < 0)
|
|
goto out_tx_fill;
|
|
|
|
usb_fill_bulk_urb(agg->urb, tp->udev, usb_sndbulkpipe(tp->udev, 2),
|
|
agg->head, (int)(tx_data - (u8 *)agg->head),
|
|
(usb_complete_t)write_bulk_callback, agg);
|
|
|
|
ret = usb_submit_urb(agg->urb, GFP_ATOMIC);
|
|
if (ret < 0)
|
|
usb_autopm_put_interface_async(tp->intf);
|
|
|
|
out_tx_fill:
|
|
return ret;
|
|
}
|
|
|
|
static u8 r8152_rx_csum(struct r8152 *tp, struct rx_desc *rx_desc)
|
|
{
|
|
u8 checksum = CHECKSUM_NONE;
|
|
u32 opts2, opts3;
|
|
|
|
if (!(tp->netdev->features & NETIF_F_RXCSUM))
|
|
goto return_result;
|
|
|
|
opts2 = le32_to_cpu(rx_desc->opts2);
|
|
opts3 = le32_to_cpu(rx_desc->opts3);
|
|
|
|
if (opts2 & RD_IPV4_CS) {
|
|
if (opts3 & IPF)
|
|
checksum = CHECKSUM_NONE;
|
|
else if ((opts2 & RD_UDP_CS) && (opts3 & UDPF))
|
|
checksum = CHECKSUM_NONE;
|
|
else if ((opts2 & RD_TCP_CS) && (opts3 & TCPF))
|
|
checksum = CHECKSUM_NONE;
|
|
else
|
|
checksum = CHECKSUM_UNNECESSARY;
|
|
} else if (opts2 & RD_IPV6_CS) {
|
|
if ((opts2 & RD_UDP_CS) && !(opts3 & UDPF))
|
|
checksum = CHECKSUM_UNNECESSARY;
|
|
else if ((opts2 & RD_TCP_CS) && !(opts3 & TCPF))
|
|
checksum = CHECKSUM_UNNECESSARY;
|
|
}
|
|
|
|
return_result:
|
|
return checksum;
|
|
}
|
|
|
|
static int rx_bottom(struct r8152 *tp, int budget)
|
|
{
|
|
unsigned long flags;
|
|
struct list_head *cursor, *next, rx_queue;
|
|
int ret = 0, work_done = 0;
|
|
struct napi_struct *napi = &tp->napi;
|
|
|
|
if (!skb_queue_empty(&tp->rx_queue)) {
|
|
while (work_done < budget) {
|
|
struct sk_buff *skb = __skb_dequeue(&tp->rx_queue);
|
|
struct net_device *netdev = tp->netdev;
|
|
struct net_device_stats *stats = &netdev->stats;
|
|
unsigned int pkt_len;
|
|
|
|
if (!skb)
|
|
break;
|
|
|
|
pkt_len = skb->len;
|
|
napi_gro_receive(napi, skb);
|
|
work_done++;
|
|
stats->rx_packets++;
|
|
stats->rx_bytes += pkt_len;
|
|
}
|
|
}
|
|
|
|
if (list_empty(&tp->rx_done))
|
|
goto out1;
|
|
|
|
INIT_LIST_HEAD(&rx_queue);
|
|
spin_lock_irqsave(&tp->rx_lock, flags);
|
|
list_splice_init(&tp->rx_done, &rx_queue);
|
|
spin_unlock_irqrestore(&tp->rx_lock, flags);
|
|
|
|
list_for_each_safe(cursor, next, &rx_queue) {
|
|
struct rx_desc *rx_desc;
|
|
struct rx_agg *agg;
|
|
int len_used = 0;
|
|
struct urb *urb;
|
|
u8 *rx_data;
|
|
|
|
list_del_init(cursor);
|
|
|
|
agg = list_entry(cursor, struct rx_agg, list);
|
|
urb = agg->urb;
|
|
if (urb->actual_length < ETH_ZLEN)
|
|
goto submit;
|
|
|
|
rx_desc = agg->head;
|
|
rx_data = agg->head;
|
|
len_used += sizeof(struct rx_desc);
|
|
|
|
while (urb->actual_length > len_used) {
|
|
struct net_device *netdev = tp->netdev;
|
|
struct net_device_stats *stats = &netdev->stats;
|
|
unsigned int pkt_len;
|
|
struct sk_buff *skb;
|
|
|
|
pkt_len = le32_to_cpu(rx_desc->opts1) & RX_LEN_MASK;
|
|
if (pkt_len < ETH_ZLEN)
|
|
break;
|
|
|
|
len_used += pkt_len;
|
|
if (urb->actual_length < len_used)
|
|
break;
|
|
|
|
pkt_len -= CRC_SIZE;
|
|
rx_data += sizeof(struct rx_desc);
|
|
|
|
skb = napi_alloc_skb(napi, pkt_len);
|
|
if (!skb) {
|
|
stats->rx_dropped++;
|
|
goto find_next_rx;
|
|
}
|
|
|
|
skb->ip_summed = r8152_rx_csum(tp, rx_desc);
|
|
memcpy(skb->data, rx_data, pkt_len);
|
|
skb_put(skb, pkt_len);
|
|
skb->protocol = eth_type_trans(skb, netdev);
|
|
rtl_rx_vlan_tag(rx_desc, skb);
|
|
if (work_done < budget) {
|
|
napi_gro_receive(napi, skb);
|
|
work_done++;
|
|
stats->rx_packets++;
|
|
stats->rx_bytes += pkt_len;
|
|
} else {
|
|
__skb_queue_tail(&tp->rx_queue, skb);
|
|
}
|
|
|
|
find_next_rx:
|
|
rx_data = rx_agg_align(rx_data + pkt_len + CRC_SIZE);
|
|
rx_desc = (struct rx_desc *)rx_data;
|
|
len_used = (int)(rx_data - (u8 *)agg->head);
|
|
len_used += sizeof(struct rx_desc);
|
|
}
|
|
|
|
submit:
|
|
if (!ret) {
|
|
ret = r8152_submit_rx(tp, agg, GFP_ATOMIC);
|
|
} else {
|
|
urb->actual_length = 0;
|
|
list_add_tail(&agg->list, next);
|
|
}
|
|
}
|
|
|
|
if (!list_empty(&rx_queue)) {
|
|
spin_lock_irqsave(&tp->rx_lock, flags);
|
|
list_splice_tail(&rx_queue, &tp->rx_done);
|
|
spin_unlock_irqrestore(&tp->rx_lock, flags);
|
|
}
|
|
|
|
out1:
|
|
return work_done;
|
|
}
|
|
|
|
static void tx_bottom(struct r8152 *tp)
|
|
{
|
|
int res;
|
|
|
|
do {
|
|
struct tx_agg *agg;
|
|
|
|
if (skb_queue_empty(&tp->tx_queue))
|
|
break;
|
|
|
|
agg = r8152_get_tx_agg(tp);
|
|
if (!agg)
|
|
break;
|
|
|
|
res = r8152_tx_agg_fill(tp, agg);
|
|
if (res) {
|
|
struct net_device *netdev = tp->netdev;
|
|
|
|
if (res == -ENODEV) {
|
|
set_bit(RTL8152_UNPLUG, &tp->flags);
|
|
netif_device_detach(netdev);
|
|
} else {
|
|
struct net_device_stats *stats = &netdev->stats;
|
|
unsigned long flags;
|
|
|
|
netif_warn(tp, tx_err, netdev,
|
|
"failed tx_urb %d\n", res);
|
|
stats->tx_dropped += agg->skb_num;
|
|
|
|
spin_lock_irqsave(&tp->tx_lock, flags);
|
|
list_add_tail(&agg->list, &tp->tx_free);
|
|
spin_unlock_irqrestore(&tp->tx_lock, flags);
|
|
}
|
|
}
|
|
} while (res == 0);
|
|
}
|
|
|
|
static void bottom_half(struct r8152 *tp)
|
|
{
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags))
|
|
return;
|
|
|
|
if (!test_bit(WORK_ENABLE, &tp->flags))
|
|
return;
|
|
|
|
/* When link down, the driver would cancel all bulks. */
|
|
/* This avoid the re-submitting bulk */
|
|
if (!netif_carrier_ok(tp->netdev))
|
|
return;
|
|
|
|
clear_bit(SCHEDULE_NAPI, &tp->flags);
|
|
|
|
tx_bottom(tp);
|
|
}
|
|
|
|
static int r8152_poll(struct napi_struct *napi, int budget)
|
|
{
|
|
struct r8152 *tp = container_of(napi, struct r8152, napi);
|
|
int work_done;
|
|
|
|
work_done = rx_bottom(tp, budget);
|
|
bottom_half(tp);
|
|
|
|
if (work_done < budget) {
|
|
napi_complete(napi);
|
|
if (!list_empty(&tp->rx_done))
|
|
napi_schedule(napi);
|
|
else if (!skb_queue_empty(&tp->tx_queue) &&
|
|
!list_empty(&tp->tx_free))
|
|
napi_schedule(napi);
|
|
}
|
|
|
|
return work_done;
|
|
}
|
|
|
|
static
|
|
int r8152_submit_rx(struct r8152 *tp, struct rx_agg *agg, gfp_t mem_flags)
|
|
{
|
|
int ret;
|
|
|
|
/* The rx would be stopped, so skip submitting */
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags) ||
|
|
!test_bit(WORK_ENABLE, &tp->flags) || !netif_carrier_ok(tp->netdev))
|
|
return 0;
|
|
|
|
usb_fill_bulk_urb(agg->urb, tp->udev, usb_rcvbulkpipe(tp->udev, 1),
|
|
agg->head, agg_buf_sz,
|
|
(usb_complete_t)read_bulk_callback, agg);
|
|
|
|
ret = usb_submit_urb(agg->urb, mem_flags);
|
|
if (ret == -ENODEV) {
|
|
set_bit(RTL8152_UNPLUG, &tp->flags);
|
|
netif_device_detach(tp->netdev);
|
|
} else if (ret) {
|
|
struct urb *urb = agg->urb;
|
|
unsigned long flags;
|
|
|
|
urb->actual_length = 0;
|
|
spin_lock_irqsave(&tp->rx_lock, flags);
|
|
list_add_tail(&agg->list, &tp->rx_done);
|
|
spin_unlock_irqrestore(&tp->rx_lock, flags);
|
|
|
|
netif_err(tp, rx_err, tp->netdev,
|
|
"Couldn't submit rx[%p], ret = %d\n", agg, ret);
|
|
|
|
napi_schedule(&tp->napi);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void rtl_drop_queued_tx(struct r8152 *tp)
|
|
{
|
|
struct net_device_stats *stats = &tp->netdev->stats;
|
|
struct sk_buff_head skb_head, *tx_queue = &tp->tx_queue;
|
|
struct sk_buff *skb;
|
|
|
|
if (skb_queue_empty(tx_queue))
|
|
return;
|
|
|
|
__skb_queue_head_init(&skb_head);
|
|
spin_lock_bh(&tx_queue->lock);
|
|
skb_queue_splice_init(tx_queue, &skb_head);
|
|
spin_unlock_bh(&tx_queue->lock);
|
|
|
|
while ((skb = __skb_dequeue(&skb_head))) {
|
|
dev_kfree_skb(skb);
|
|
stats->tx_dropped++;
|
|
}
|
|
}
|
|
|
|
static void rtl8152_tx_timeout(struct net_device *netdev)
|
|
{
|
|
struct r8152 *tp = netdev_priv(netdev);
|
|
|
|
netif_warn(tp, tx_err, netdev, "Tx timeout\n");
|
|
|
|
usb_queue_reset_device(tp->intf);
|
|
}
|
|
|
|
static void rtl8152_set_rx_mode(struct net_device *netdev)
|
|
{
|
|
struct r8152 *tp = netdev_priv(netdev);
|
|
|
|
if (netif_carrier_ok(netdev)) {
|
|
set_bit(RTL8152_SET_RX_MODE, &tp->flags);
|
|
schedule_delayed_work(&tp->schedule, 0);
|
|
}
|
|
}
|
|
|
|
static void _rtl8152_set_rx_mode(struct net_device *netdev)
|
|
{
|
|
struct r8152 *tp = netdev_priv(netdev);
|
|
u32 mc_filter[2]; /* Multicast hash filter */
|
|
__le32 tmp[2];
|
|
u32 ocp_data;
|
|
|
|
netif_stop_queue(netdev);
|
|
ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
|
|
ocp_data &= ~RCR_ACPT_ALL;
|
|
ocp_data |= RCR_AB | RCR_APM;
|
|
|
|
if (netdev->flags & IFF_PROMISC) {
|
|
/* Unconditionally log net taps. */
|
|
netif_notice(tp, link, netdev, "Promiscuous mode enabled\n");
|
|
ocp_data |= RCR_AM | RCR_AAP;
|
|
mc_filter[1] = 0xffffffff;
|
|
mc_filter[0] = 0xffffffff;
|
|
} else if ((netdev_mc_count(netdev) > multicast_filter_limit) ||
|
|
(netdev->flags & IFF_ALLMULTI)) {
|
|
/* Too many to filter perfectly -- accept all multicasts. */
|
|
ocp_data |= RCR_AM;
|
|
mc_filter[1] = 0xffffffff;
|
|
mc_filter[0] = 0xffffffff;
|
|
} else {
|
|
struct netdev_hw_addr *ha;
|
|
|
|
mc_filter[1] = 0;
|
|
mc_filter[0] = 0;
|
|
netdev_for_each_mc_addr(ha, netdev) {
|
|
int bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26;
|
|
|
|
mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31);
|
|
ocp_data |= RCR_AM;
|
|
}
|
|
}
|
|
|
|
tmp[0] = __cpu_to_le32(swab32(mc_filter[1]));
|
|
tmp[1] = __cpu_to_le32(swab32(mc_filter[0]));
|
|
|
|
pla_ocp_write(tp, PLA_MAR, BYTE_EN_DWORD, sizeof(tmp), tmp);
|
|
ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
|
|
netif_wake_queue(netdev);
|
|
}
|
|
|
|
static netdev_features_t
|
|
rtl8152_features_check(struct sk_buff *skb, struct net_device *dev,
|
|
netdev_features_t features)
|
|
{
|
|
u32 mss = skb_shinfo(skb)->gso_size;
|
|
int max_offset = mss ? GTTCPHO_MAX : TCPHO_MAX;
|
|
int offset = skb_transport_offset(skb);
|
|
|
|
if ((mss || skb->ip_summed == CHECKSUM_PARTIAL) && offset > max_offset)
|
|
features &= ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK);
|
|
else if ((skb->len + sizeof(struct tx_desc)) > agg_buf_sz)
|
|
features &= ~NETIF_F_GSO_MASK;
|
|
|
|
return features;
|
|
}
|
|
|
|
static netdev_tx_t rtl8152_start_xmit(struct sk_buff *skb,
|
|
struct net_device *netdev)
|
|
{
|
|
struct r8152 *tp = netdev_priv(netdev);
|
|
|
|
skb_tx_timestamp(skb);
|
|
|
|
skb_queue_tail(&tp->tx_queue, skb);
|
|
|
|
if (!list_empty(&tp->tx_free)) {
|
|
if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) {
|
|
set_bit(SCHEDULE_NAPI, &tp->flags);
|
|
schedule_delayed_work(&tp->schedule, 0);
|
|
} else {
|
|
usb_mark_last_busy(tp->udev);
|
|
napi_schedule(&tp->napi);
|
|
}
|
|
} else if (skb_queue_len(&tp->tx_queue) > tp->tx_qlen) {
|
|
netif_stop_queue(netdev);
|
|
}
|
|
|
|
return NETDEV_TX_OK;
|
|
}
|
|
|
|
static void r8152b_reset_packet_filter(struct r8152 *tp)
|
|
{
|
|
u32 ocp_data;
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_FMC);
|
|
ocp_data &= ~FMC_FCR_MCU_EN;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_FMC, ocp_data);
|
|
ocp_data |= FMC_FCR_MCU_EN;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_FMC, ocp_data);
|
|
}
|
|
|
|
static void rtl8152_nic_reset(struct r8152 *tp)
|
|
{
|
|
int i;
|
|
|
|
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CR, CR_RST);
|
|
|
|
for (i = 0; i < 1000; i++) {
|
|
if (!(ocp_read_byte(tp, MCU_TYPE_PLA, PLA_CR) & CR_RST))
|
|
break;
|
|
usleep_range(100, 400);
|
|
}
|
|
}
|
|
|
|
static void set_tx_qlen(struct r8152 *tp)
|
|
{
|
|
struct net_device *netdev = tp->netdev;
|
|
|
|
tp->tx_qlen = agg_buf_sz / (netdev->mtu + VLAN_ETH_HLEN + VLAN_HLEN +
|
|
sizeof(struct tx_desc));
|
|
}
|
|
|
|
static inline u8 rtl8152_get_speed(struct r8152 *tp)
|
|
{
|
|
return ocp_read_byte(tp, MCU_TYPE_PLA, PLA_PHYSTATUS);
|
|
}
|
|
|
|
static void rtl_set_eee_plus(struct r8152 *tp)
|
|
{
|
|
u32 ocp_data;
|
|
u8 speed;
|
|
|
|
speed = rtl8152_get_speed(tp);
|
|
if (speed & _10bps) {
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR);
|
|
ocp_data |= EEEP_CR_EEEP_TX;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR, ocp_data);
|
|
} else {
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR);
|
|
ocp_data &= ~EEEP_CR_EEEP_TX;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR, ocp_data);
|
|
}
|
|
}
|
|
|
|
static void rxdy_gated_en(struct r8152 *tp, bool enable)
|
|
{
|
|
u32 ocp_data;
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MISC_1);
|
|
if (enable)
|
|
ocp_data |= RXDY_GATED_EN;
|
|
else
|
|
ocp_data &= ~RXDY_GATED_EN;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_MISC_1, ocp_data);
|
|
}
|
|
|
|
static int rtl_start_rx(struct r8152 *tp)
|
|
{
|
|
int i, ret = 0;
|
|
|
|
INIT_LIST_HEAD(&tp->rx_done);
|
|
for (i = 0; i < RTL8152_MAX_RX; i++) {
|
|
INIT_LIST_HEAD(&tp->rx_info[i].list);
|
|
ret = r8152_submit_rx(tp, &tp->rx_info[i], GFP_KERNEL);
|
|
if (ret)
|
|
break;
|
|
}
|
|
|
|
if (ret && ++i < RTL8152_MAX_RX) {
|
|
struct list_head rx_queue;
|
|
unsigned long flags;
|
|
|
|
INIT_LIST_HEAD(&rx_queue);
|
|
|
|
do {
|
|
struct rx_agg *agg = &tp->rx_info[i++];
|
|
struct urb *urb = agg->urb;
|
|
|
|
urb->actual_length = 0;
|
|
list_add_tail(&agg->list, &rx_queue);
|
|
} while (i < RTL8152_MAX_RX);
|
|
|
|
spin_lock_irqsave(&tp->rx_lock, flags);
|
|
list_splice_tail(&rx_queue, &tp->rx_done);
|
|
spin_unlock_irqrestore(&tp->rx_lock, flags);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int rtl_stop_rx(struct r8152 *tp)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < RTL8152_MAX_RX; i++)
|
|
usb_kill_urb(tp->rx_info[i].urb);
|
|
|
|
while (!skb_queue_empty(&tp->rx_queue))
|
|
dev_kfree_skb(__skb_dequeue(&tp->rx_queue));
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int rtl_enable(struct r8152 *tp)
|
|
{
|
|
u32 ocp_data;
|
|
|
|
r8152b_reset_packet_filter(tp);
|
|
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_CR);
|
|
ocp_data |= CR_RE | CR_TE;
|
|
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CR, ocp_data);
|
|
|
|
rxdy_gated_en(tp, false);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int rtl8152_enable(struct r8152 *tp)
|
|
{
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags))
|
|
return -ENODEV;
|
|
|
|
set_tx_qlen(tp);
|
|
rtl_set_eee_plus(tp);
|
|
|
|
return rtl_enable(tp);
|
|
}
|
|
|
|
static void r8153_set_rx_early_timeout(struct r8152 *tp)
|
|
{
|
|
u32 ocp_data = tp->coalesce / 8;
|
|
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_RX_EARLY_TIMEOUT, ocp_data);
|
|
}
|
|
|
|
static void r8153_set_rx_early_size(struct r8152 *tp)
|
|
{
|
|
u32 ocp_data = (agg_buf_sz - rx_reserved_size(tp->netdev->mtu)) / 4;
|
|
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_RX_EARLY_SIZE, ocp_data);
|
|
}
|
|
|
|
static int rtl8153_enable(struct r8152 *tp)
|
|
{
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags))
|
|
return -ENODEV;
|
|
|
|
usb_disable_lpm(tp->udev);
|
|
set_tx_qlen(tp);
|
|
rtl_set_eee_plus(tp);
|
|
r8153_set_rx_early_timeout(tp);
|
|
r8153_set_rx_early_size(tp);
|
|
|
|
return rtl_enable(tp);
|
|
}
|
|
|
|
static void rtl_disable(struct r8152 *tp)
|
|
{
|
|
u32 ocp_data;
|
|
int i;
|
|
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags)) {
|
|
rtl_drop_queued_tx(tp);
|
|
return;
|
|
}
|
|
|
|
ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
|
|
ocp_data &= ~RCR_ACPT_ALL;
|
|
ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
|
|
|
|
rtl_drop_queued_tx(tp);
|
|
|
|
for (i = 0; i < RTL8152_MAX_TX; i++)
|
|
usb_kill_urb(tp->tx_info[i].urb);
|
|
|
|
rxdy_gated_en(tp, true);
|
|
|
|
for (i = 0; i < 1000; i++) {
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
|
|
if ((ocp_data & FIFO_EMPTY) == FIFO_EMPTY)
|
|
break;
|
|
usleep_range(1000, 2000);
|
|
}
|
|
|
|
for (i = 0; i < 1000; i++) {
|
|
if (ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR0) & TCR0_TX_EMPTY)
|
|
break;
|
|
usleep_range(1000, 2000);
|
|
}
|
|
|
|
rtl_stop_rx(tp);
|
|
|
|
rtl8152_nic_reset(tp);
|
|
}
|
|
|
|
static void r8152_power_cut_en(struct r8152 *tp, bool enable)
|
|
{
|
|
u32 ocp_data;
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_UPS_CTRL);
|
|
if (enable)
|
|
ocp_data |= POWER_CUT;
|
|
else
|
|
ocp_data &= ~POWER_CUT;
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_UPS_CTRL, ocp_data);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_PM_CTRL_STATUS);
|
|
ocp_data &= ~RESUME_INDICATE;
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_PM_CTRL_STATUS, ocp_data);
|
|
}
|
|
|
|
static void rtl_rx_vlan_en(struct r8152 *tp, bool enable)
|
|
{
|
|
u32 ocp_data;
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CPCR);
|
|
if (enable)
|
|
ocp_data |= CPCR_RX_VLAN;
|
|
else
|
|
ocp_data &= ~CPCR_RX_VLAN;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_CPCR, ocp_data);
|
|
}
|
|
|
|
static int rtl8152_set_features(struct net_device *dev,
|
|
netdev_features_t features)
|
|
{
|
|
netdev_features_t changed = features ^ dev->features;
|
|
struct r8152 *tp = netdev_priv(dev);
|
|
int ret;
|
|
|
|
ret = usb_autopm_get_interface(tp->intf);
|
|
if (ret < 0)
|
|
goto out;
|
|
|
|
mutex_lock(&tp->control);
|
|
|
|
if (changed & NETIF_F_HW_VLAN_CTAG_RX) {
|
|
if (features & NETIF_F_HW_VLAN_CTAG_RX)
|
|
rtl_rx_vlan_en(tp, true);
|
|
else
|
|
rtl_rx_vlan_en(tp, false);
|
|
}
|
|
|
|
mutex_unlock(&tp->control);
|
|
|
|
usb_autopm_put_interface(tp->intf);
|
|
|
|
out:
|
|
return ret;
|
|
}
|
|
|
|
#define WAKE_ANY (WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_BCAST | WAKE_MCAST)
|
|
|
|
static u32 __rtl_get_wol(struct r8152 *tp)
|
|
{
|
|
u32 ocp_data;
|
|
u32 wolopts = 0;
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG34);
|
|
if (ocp_data & LINK_ON_WAKE_EN)
|
|
wolopts |= WAKE_PHY;
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG5);
|
|
if (ocp_data & UWF_EN)
|
|
wolopts |= WAKE_UCAST;
|
|
if (ocp_data & BWF_EN)
|
|
wolopts |= WAKE_BCAST;
|
|
if (ocp_data & MWF_EN)
|
|
wolopts |= WAKE_MCAST;
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CFG_WOL);
|
|
if (ocp_data & MAGIC_EN)
|
|
wolopts |= WAKE_MAGIC;
|
|
|
|
return wolopts;
|
|
}
|
|
|
|
static void __rtl_set_wol(struct r8152 *tp, u32 wolopts)
|
|
{
|
|
u32 ocp_data;
|
|
|
|
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_CONFIG);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG34);
|
|
ocp_data &= ~LINK_ON_WAKE_EN;
|
|
if (wolopts & WAKE_PHY)
|
|
ocp_data |= LINK_ON_WAKE_EN;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_CONFIG34, ocp_data);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG5);
|
|
ocp_data &= ~(UWF_EN | BWF_EN | MWF_EN);
|
|
if (wolopts & WAKE_UCAST)
|
|
ocp_data |= UWF_EN;
|
|
if (wolopts & WAKE_BCAST)
|
|
ocp_data |= BWF_EN;
|
|
if (wolopts & WAKE_MCAST)
|
|
ocp_data |= MWF_EN;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_CONFIG5, ocp_data);
|
|
|
|
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CFG_WOL);
|
|
ocp_data &= ~MAGIC_EN;
|
|
if (wolopts & WAKE_MAGIC)
|
|
ocp_data |= MAGIC_EN;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_CFG_WOL, ocp_data);
|
|
|
|
if (wolopts & WAKE_ANY)
|
|
device_set_wakeup_enable(&tp->udev->dev, true);
|
|
else
|
|
device_set_wakeup_enable(&tp->udev->dev, false);
|
|
}
|
|
|
|
static void r8153_u1u2en(struct r8152 *tp, bool enable)
|
|
{
|
|
u8 u1u2[8];
|
|
|
|
if (enable)
|
|
memset(u1u2, 0xff, sizeof(u1u2));
|
|
else
|
|
memset(u1u2, 0x00, sizeof(u1u2));
|
|
|
|
usb_ocp_write(tp, USB_TOLERANCE, BYTE_EN_SIX_BYTES, sizeof(u1u2), u1u2);
|
|
}
|
|
|
|
static void r8153_u2p3en(struct r8152 *tp, bool enable)
|
|
{
|
|
u32 ocp_data;
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_U2P3_CTRL);
|
|
if (enable && tp->version != RTL_VER_03 && tp->version != RTL_VER_04)
|
|
ocp_data |= U2P3_ENABLE;
|
|
else
|
|
ocp_data &= ~U2P3_ENABLE;
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_U2P3_CTRL, ocp_data);
|
|
}
|
|
|
|
static void r8153_power_cut_en(struct r8152 *tp, bool enable)
|
|
{
|
|
u32 ocp_data;
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_POWER_CUT);
|
|
if (enable)
|
|
ocp_data |= PWR_EN | PHASE2_EN;
|
|
else
|
|
ocp_data &= ~(PWR_EN | PHASE2_EN);
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_POWER_CUT, ocp_data);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_MISC_0);
|
|
ocp_data &= ~PCUT_STATUS;
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_MISC_0, ocp_data);
|
|
}
|
|
|
|
static bool rtl_can_wakeup(struct r8152 *tp)
|
|
{
|
|
struct usb_device *udev = tp->udev;
|
|
|
|
return (udev->actconfig->desc.bmAttributes & USB_CONFIG_ATT_WAKEUP);
|
|
}
|
|
|
|
static void rtl_runtime_suspend_enable(struct r8152 *tp, bool enable)
|
|
{
|
|
if (enable) {
|
|
u32 ocp_data;
|
|
|
|
__rtl_set_wol(tp, WAKE_ANY);
|
|
|
|
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_CONFIG);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG34);
|
|
ocp_data |= LINK_OFF_WAKE_EN;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_CONFIG34, ocp_data);
|
|
|
|
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML);
|
|
} else {
|
|
u32 ocp_data;
|
|
|
|
__rtl_set_wol(tp, tp->saved_wolopts);
|
|
|
|
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_CONFIG);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG34);
|
|
ocp_data &= ~LINK_OFF_WAKE_EN;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_CONFIG34, ocp_data);
|
|
|
|
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML);
|
|
}
|
|
}
|
|
|
|
static void rtl8153_runtime_enable(struct r8152 *tp, bool enable)
|
|
{
|
|
rtl_runtime_suspend_enable(tp, enable);
|
|
|
|
if (enable) {
|
|
r8153_u1u2en(tp, false);
|
|
r8153_u2p3en(tp, false);
|
|
} else {
|
|
r8153_u2p3en(tp, true);
|
|
r8153_u1u2en(tp, true);
|
|
}
|
|
}
|
|
|
|
static void r8153_teredo_off(struct r8152 *tp)
|
|
{
|
|
u32 ocp_data;
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TEREDO_CFG);
|
|
ocp_data &= ~(TEREDO_SEL | TEREDO_RS_EVENT_MASK | OOB_TEREDO_EN);
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_TEREDO_CFG, ocp_data);
|
|
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_WDT6_CTRL, WDT6_SET_MODE);
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_REALWOW_TIMER, 0);
|
|
ocp_write_dword(tp, MCU_TYPE_PLA, PLA_TEREDO_TIMER, 0);
|
|
}
|
|
|
|
static void rtl_reset_bmu(struct r8152 *tp)
|
|
{
|
|
u32 ocp_data;
|
|
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_BMU_RESET);
|
|
ocp_data &= ~(BMU_RESET_EP_IN | BMU_RESET_EP_OUT);
|
|
ocp_write_byte(tp, MCU_TYPE_USB, USB_BMU_RESET, ocp_data);
|
|
ocp_data |= BMU_RESET_EP_IN | BMU_RESET_EP_OUT;
|
|
ocp_write_byte(tp, MCU_TYPE_USB, USB_BMU_RESET, ocp_data);
|
|
}
|
|
|
|
static void r8152_aldps_en(struct r8152 *tp, bool enable)
|
|
{
|
|
if (enable) {
|
|
ocp_reg_write(tp, OCP_ALDPS_CONFIG, ENPWRSAVE | ENPDNPS |
|
|
LINKENA | DIS_SDSAVE);
|
|
} else {
|
|
ocp_reg_write(tp, OCP_ALDPS_CONFIG, ENPDNPS | LINKENA |
|
|
DIS_SDSAVE);
|
|
msleep(20);
|
|
}
|
|
}
|
|
|
|
static inline void r8152_mmd_indirect(struct r8152 *tp, u16 dev, u16 reg)
|
|
{
|
|
ocp_reg_write(tp, OCP_EEE_AR, FUN_ADDR | dev);
|
|
ocp_reg_write(tp, OCP_EEE_DATA, reg);
|
|
ocp_reg_write(tp, OCP_EEE_AR, FUN_DATA | dev);
|
|
}
|
|
|
|
static u16 r8152_mmd_read(struct r8152 *tp, u16 dev, u16 reg)
|
|
{
|
|
u16 data;
|
|
|
|
r8152_mmd_indirect(tp, dev, reg);
|
|
data = ocp_reg_read(tp, OCP_EEE_DATA);
|
|
ocp_reg_write(tp, OCP_EEE_AR, 0x0000);
|
|
|
|
return data;
|
|
}
|
|
|
|
static void r8152_mmd_write(struct r8152 *tp, u16 dev, u16 reg, u16 data)
|
|
{
|
|
r8152_mmd_indirect(tp, dev, reg);
|
|
ocp_reg_write(tp, OCP_EEE_DATA, data);
|
|
ocp_reg_write(tp, OCP_EEE_AR, 0x0000);
|
|
}
|
|
|
|
static void r8152_eee_en(struct r8152 *tp, bool enable)
|
|
{
|
|
u16 config1, config2, config3;
|
|
u32 ocp_data;
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEE_CR);
|
|
config1 = ocp_reg_read(tp, OCP_EEE_CONFIG1) & ~sd_rise_time_mask;
|
|
config2 = ocp_reg_read(tp, OCP_EEE_CONFIG2);
|
|
config3 = ocp_reg_read(tp, OCP_EEE_CONFIG3) & ~fast_snr_mask;
|
|
|
|
if (enable) {
|
|
ocp_data |= EEE_RX_EN | EEE_TX_EN;
|
|
config1 |= EEE_10_CAP | EEE_NWAY_EN | TX_QUIET_EN | RX_QUIET_EN;
|
|
config1 |= sd_rise_time(1);
|
|
config2 |= RG_DACQUIET_EN | RG_LDVQUIET_EN;
|
|
config3 |= fast_snr(42);
|
|
} else {
|
|
ocp_data &= ~(EEE_RX_EN | EEE_TX_EN);
|
|
config1 &= ~(EEE_10_CAP | EEE_NWAY_EN | TX_QUIET_EN |
|
|
RX_QUIET_EN);
|
|
config1 |= sd_rise_time(7);
|
|
config2 &= ~(RG_DACQUIET_EN | RG_LDVQUIET_EN);
|
|
config3 |= fast_snr(511);
|
|
}
|
|
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEE_CR, ocp_data);
|
|
ocp_reg_write(tp, OCP_EEE_CONFIG1, config1);
|
|
ocp_reg_write(tp, OCP_EEE_CONFIG2, config2);
|
|
ocp_reg_write(tp, OCP_EEE_CONFIG3, config3);
|
|
}
|
|
|
|
static void r8152b_enable_eee(struct r8152 *tp)
|
|
{
|
|
r8152_eee_en(tp, true);
|
|
r8152_mmd_write(tp, MDIO_MMD_AN, MDIO_AN_EEE_ADV, MDIO_EEE_100TX);
|
|
}
|
|
|
|
static void r8152b_enable_fc(struct r8152 *tp)
|
|
{
|
|
u16 anar;
|
|
|
|
anar = r8152_mdio_read(tp, MII_ADVERTISE);
|
|
anar |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
|
|
r8152_mdio_write(tp, MII_ADVERTISE, anar);
|
|
}
|
|
|
|
static void rtl8152_disable(struct r8152 *tp)
|
|
{
|
|
r8152_aldps_en(tp, false);
|
|
rtl_disable(tp);
|
|
r8152_aldps_en(tp, true);
|
|
}
|
|
|
|
static void r8152b_hw_phy_cfg(struct r8152 *tp)
|
|
{
|
|
r8152b_enable_eee(tp);
|
|
r8152_aldps_en(tp, true);
|
|
r8152b_enable_fc(tp);
|
|
|
|
set_bit(PHY_RESET, &tp->flags);
|
|
}
|
|
|
|
static void r8152b_exit_oob(struct r8152 *tp)
|
|
{
|
|
u32 ocp_data;
|
|
int i;
|
|
|
|
ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
|
|
ocp_data &= ~RCR_ACPT_ALL;
|
|
ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
|
|
|
|
rxdy_gated_en(tp, true);
|
|
r8153_teredo_off(tp);
|
|
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML);
|
|
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CR, 0x00);
|
|
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
|
|
ocp_data &= ~NOW_IS_OOB;
|
|
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
|
|
ocp_data &= ~MCU_BORW_EN;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data);
|
|
|
|
for (i = 0; i < 1000; i++) {
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
|
|
if (ocp_data & LINK_LIST_READY)
|
|
break;
|
|
usleep_range(1000, 2000);
|
|
}
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
|
|
ocp_data |= RE_INIT_LL;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data);
|
|
|
|
for (i = 0; i < 1000; i++) {
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
|
|
if (ocp_data & LINK_LIST_READY)
|
|
break;
|
|
usleep_range(1000, 2000);
|
|
}
|
|
|
|
rtl8152_nic_reset(tp);
|
|
|
|
/* rx share fifo credit full threshold */
|
|
ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL0, RXFIFO_THR1_NORMAL);
|
|
|
|
if (tp->udev->speed == USB_SPEED_FULL ||
|
|
tp->udev->speed == USB_SPEED_LOW) {
|
|
/* rx share fifo credit near full threshold */
|
|
ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1,
|
|
RXFIFO_THR2_FULL);
|
|
ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2,
|
|
RXFIFO_THR3_FULL);
|
|
} else {
|
|
/* rx share fifo credit near full threshold */
|
|
ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1,
|
|
RXFIFO_THR2_HIGH);
|
|
ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2,
|
|
RXFIFO_THR3_HIGH);
|
|
}
|
|
|
|
/* TX share fifo free credit full threshold */
|
|
ocp_write_dword(tp, MCU_TYPE_PLA, PLA_TXFIFO_CTRL, TXFIFO_THR_NORMAL);
|
|
|
|
ocp_write_byte(tp, MCU_TYPE_USB, USB_TX_AGG, TX_AGG_MAX_THRESHOLD);
|
|
ocp_write_dword(tp, MCU_TYPE_USB, USB_RX_BUF_TH, RX_THR_HIGH);
|
|
ocp_write_dword(tp, MCU_TYPE_USB, USB_TX_DMA,
|
|
TEST_MODE_DISABLE | TX_SIZE_ADJUST1);
|
|
|
|
rtl_rx_vlan_en(tp, tp->netdev->features & NETIF_F_HW_VLAN_CTAG_RX);
|
|
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8152_RMS);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR0);
|
|
ocp_data |= TCR0_AUTO_FIFO;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_TCR0, ocp_data);
|
|
}
|
|
|
|
static void r8152b_enter_oob(struct r8152 *tp)
|
|
{
|
|
u32 ocp_data;
|
|
int i;
|
|
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
|
|
ocp_data &= ~NOW_IS_OOB;
|
|
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
|
|
|
|
ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL0, RXFIFO_THR1_OOB);
|
|
ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1, RXFIFO_THR2_OOB);
|
|
ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2, RXFIFO_THR3_OOB);
|
|
|
|
rtl_disable(tp);
|
|
|
|
for (i = 0; i < 1000; i++) {
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
|
|
if (ocp_data & LINK_LIST_READY)
|
|
break;
|
|
usleep_range(1000, 2000);
|
|
}
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
|
|
ocp_data |= RE_INIT_LL;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data);
|
|
|
|
for (i = 0; i < 1000; i++) {
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
|
|
if (ocp_data & LINK_LIST_READY)
|
|
break;
|
|
usleep_range(1000, 2000);
|
|
}
|
|
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8152_RMS);
|
|
|
|
rtl_rx_vlan_en(tp, true);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PAL_BDC_CR);
|
|
ocp_data |= ALDPS_PROXY_MODE;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PAL_BDC_CR, ocp_data);
|
|
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
|
|
ocp_data |= NOW_IS_OOB | DIS_MCU_CLROOB;
|
|
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
|
|
|
|
rxdy_gated_en(tp, false);
|
|
|
|
ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
|
|
ocp_data |= RCR_APM | RCR_AM | RCR_AB;
|
|
ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
|
|
}
|
|
|
|
static void r8153_aldps_en(struct r8152 *tp, bool enable)
|
|
{
|
|
u16 data;
|
|
|
|
data = ocp_reg_read(tp, OCP_POWER_CFG);
|
|
if (enable) {
|
|
data |= EN_ALDPS;
|
|
ocp_reg_write(tp, OCP_POWER_CFG, data);
|
|
} else {
|
|
data &= ~EN_ALDPS;
|
|
ocp_reg_write(tp, OCP_POWER_CFG, data);
|
|
msleep(20);
|
|
}
|
|
}
|
|
|
|
static void r8153_eee_en(struct r8152 *tp, bool enable)
|
|
{
|
|
u32 ocp_data;
|
|
u16 config;
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEE_CR);
|
|
config = ocp_reg_read(tp, OCP_EEE_CFG);
|
|
|
|
if (enable) {
|
|
ocp_data |= EEE_RX_EN | EEE_TX_EN;
|
|
config |= EEE10_EN;
|
|
} else {
|
|
ocp_data &= ~(EEE_RX_EN | EEE_TX_EN);
|
|
config &= ~EEE10_EN;
|
|
}
|
|
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEE_CR, ocp_data);
|
|
ocp_reg_write(tp, OCP_EEE_CFG, config);
|
|
}
|
|
|
|
static void r8153_hw_phy_cfg(struct r8152 *tp)
|
|
{
|
|
u32 ocp_data;
|
|
u16 data;
|
|
|
|
/* disable ALDPS before updating the PHY parameters */
|
|
r8153_aldps_en(tp, false);
|
|
|
|
/* disable EEE before updating the PHY parameters */
|
|
r8153_eee_en(tp, false);
|
|
ocp_reg_write(tp, OCP_EEE_ADV, 0);
|
|
|
|
if (tp->version == RTL_VER_03) {
|
|
data = ocp_reg_read(tp, OCP_EEE_CFG);
|
|
data &= ~CTAP_SHORT_EN;
|
|
ocp_reg_write(tp, OCP_EEE_CFG, data);
|
|
}
|
|
|
|
data = ocp_reg_read(tp, OCP_POWER_CFG);
|
|
data |= EEE_CLKDIV_EN;
|
|
ocp_reg_write(tp, OCP_POWER_CFG, data);
|
|
|
|
data = ocp_reg_read(tp, OCP_DOWN_SPEED);
|
|
data |= EN_10M_BGOFF;
|
|
ocp_reg_write(tp, OCP_DOWN_SPEED, data);
|
|
data = ocp_reg_read(tp, OCP_POWER_CFG);
|
|
data |= EN_10M_PLLOFF;
|
|
ocp_reg_write(tp, OCP_POWER_CFG, data);
|
|
sram_write(tp, SRAM_IMPEDANCE, 0x0b13);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR);
|
|
ocp_data |= PFM_PWM_SWITCH;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR, ocp_data);
|
|
|
|
/* Enable LPF corner auto tune */
|
|
sram_write(tp, SRAM_LPF_CFG, 0xf70f);
|
|
|
|
/* Adjust 10M Amplitude */
|
|
sram_write(tp, SRAM_10M_AMP1, 0x00af);
|
|
sram_write(tp, SRAM_10M_AMP2, 0x0208);
|
|
|
|
r8153_eee_en(tp, true);
|
|
ocp_reg_write(tp, OCP_EEE_ADV, MDIO_EEE_1000T | MDIO_EEE_100TX);
|
|
|
|
r8153_aldps_en(tp, true);
|
|
r8152b_enable_fc(tp);
|
|
|
|
set_bit(PHY_RESET, &tp->flags);
|
|
}
|
|
|
|
static void r8153_first_init(struct r8152 *tp)
|
|
{
|
|
u32 ocp_data;
|
|
int i;
|
|
|
|
rxdy_gated_en(tp, true);
|
|
r8153_teredo_off(tp);
|
|
|
|
ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
|
|
ocp_data &= ~RCR_ACPT_ALL;
|
|
ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
|
|
|
|
rtl8152_nic_reset(tp);
|
|
rtl_reset_bmu(tp);
|
|
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
|
|
ocp_data &= ~NOW_IS_OOB;
|
|
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
|
|
ocp_data &= ~MCU_BORW_EN;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data);
|
|
|
|
for (i = 0; i < 1000; i++) {
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
|
|
if (ocp_data & LINK_LIST_READY)
|
|
break;
|
|
usleep_range(1000, 2000);
|
|
}
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
|
|
ocp_data |= RE_INIT_LL;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data);
|
|
|
|
for (i = 0; i < 1000; i++) {
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
|
|
if (ocp_data & LINK_LIST_READY)
|
|
break;
|
|
usleep_range(1000, 2000);
|
|
}
|
|
|
|
rtl_rx_vlan_en(tp, tp->netdev->features & NETIF_F_HW_VLAN_CTAG_RX);
|
|
|
|
ocp_data = tp->netdev->mtu + VLAN_ETH_HLEN + CRC_SIZE;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, ocp_data);
|
|
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_MTPS, MTPS_JUMBO);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR0);
|
|
ocp_data |= TCR0_AUTO_FIFO;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_TCR0, ocp_data);
|
|
|
|
rtl8152_nic_reset(tp);
|
|
|
|
/* rx share fifo credit full threshold */
|
|
ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL0, RXFIFO_THR1_NORMAL);
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1, RXFIFO_THR2_NORMAL);
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2, RXFIFO_THR3_NORMAL);
|
|
/* TX share fifo free credit full threshold */
|
|
ocp_write_dword(tp, MCU_TYPE_PLA, PLA_TXFIFO_CTRL, TXFIFO_THR_NORMAL2);
|
|
|
|
/* rx aggregation */
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_USB_CTRL);
|
|
ocp_data &= ~(RX_AGG_DISABLE | RX_ZERO_EN);
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_USB_CTRL, ocp_data);
|
|
}
|
|
|
|
static void r8153_enter_oob(struct r8152 *tp)
|
|
{
|
|
u32 ocp_data;
|
|
int i;
|
|
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
|
|
ocp_data &= ~NOW_IS_OOB;
|
|
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
|
|
|
|
rtl_disable(tp);
|
|
rtl_reset_bmu(tp);
|
|
|
|
for (i = 0; i < 1000; i++) {
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
|
|
if (ocp_data & LINK_LIST_READY)
|
|
break;
|
|
usleep_range(1000, 2000);
|
|
}
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
|
|
ocp_data |= RE_INIT_LL;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data);
|
|
|
|
for (i = 0; i < 1000; i++) {
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
|
|
if (ocp_data & LINK_LIST_READY)
|
|
break;
|
|
usleep_range(1000, 2000);
|
|
}
|
|
|
|
ocp_data = tp->netdev->mtu + VLAN_ETH_HLEN + CRC_SIZE;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, ocp_data);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TEREDO_CFG);
|
|
ocp_data &= ~TEREDO_WAKE_MASK;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_TEREDO_CFG, ocp_data);
|
|
|
|
rtl_rx_vlan_en(tp, true);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PAL_BDC_CR);
|
|
ocp_data |= ALDPS_PROXY_MODE;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PAL_BDC_CR, ocp_data);
|
|
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
|
|
ocp_data |= NOW_IS_OOB | DIS_MCU_CLROOB;
|
|
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
|
|
|
|
rxdy_gated_en(tp, false);
|
|
|
|
ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
|
|
ocp_data |= RCR_APM | RCR_AM | RCR_AB;
|
|
ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
|
|
}
|
|
|
|
static void rtl8153_disable(struct r8152 *tp)
|
|
{
|
|
r8153_aldps_en(tp, false);
|
|
rtl_disable(tp);
|
|
rtl_reset_bmu(tp);
|
|
r8153_aldps_en(tp, true);
|
|
usb_enable_lpm(tp->udev);
|
|
}
|
|
|
|
static int rtl8152_set_speed(struct r8152 *tp, u8 autoneg, u16 speed, u8 duplex)
|
|
{
|
|
u16 bmcr, anar, gbcr;
|
|
int ret = 0;
|
|
|
|
anar = r8152_mdio_read(tp, MII_ADVERTISE);
|
|
anar &= ~(ADVERTISE_10HALF | ADVERTISE_10FULL |
|
|
ADVERTISE_100HALF | ADVERTISE_100FULL);
|
|
if (tp->mii.supports_gmii) {
|
|
gbcr = r8152_mdio_read(tp, MII_CTRL1000);
|
|
gbcr &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF);
|
|
} else {
|
|
gbcr = 0;
|
|
}
|
|
|
|
if (autoneg == AUTONEG_DISABLE) {
|
|
if (speed == SPEED_10) {
|
|
bmcr = 0;
|
|
anar |= ADVERTISE_10HALF | ADVERTISE_10FULL;
|
|
} else if (speed == SPEED_100) {
|
|
bmcr = BMCR_SPEED100;
|
|
anar |= ADVERTISE_100HALF | ADVERTISE_100FULL;
|
|
} else if (speed == SPEED_1000 && tp->mii.supports_gmii) {
|
|
bmcr = BMCR_SPEED1000;
|
|
gbcr |= ADVERTISE_1000FULL | ADVERTISE_1000HALF;
|
|
} else {
|
|
ret = -EINVAL;
|
|
goto out;
|
|
}
|
|
|
|
if (duplex == DUPLEX_FULL)
|
|
bmcr |= BMCR_FULLDPLX;
|
|
} else {
|
|
if (speed == SPEED_10) {
|
|
if (duplex == DUPLEX_FULL)
|
|
anar |= ADVERTISE_10HALF | ADVERTISE_10FULL;
|
|
else
|
|
anar |= ADVERTISE_10HALF;
|
|
} else if (speed == SPEED_100) {
|
|
if (duplex == DUPLEX_FULL) {
|
|
anar |= ADVERTISE_10HALF | ADVERTISE_10FULL;
|
|
anar |= ADVERTISE_100HALF | ADVERTISE_100FULL;
|
|
} else {
|
|
anar |= ADVERTISE_10HALF;
|
|
anar |= ADVERTISE_100HALF;
|
|
}
|
|
} else if (speed == SPEED_1000 && tp->mii.supports_gmii) {
|
|
if (duplex == DUPLEX_FULL) {
|
|
anar |= ADVERTISE_10HALF | ADVERTISE_10FULL;
|
|
anar |= ADVERTISE_100HALF | ADVERTISE_100FULL;
|
|
gbcr |= ADVERTISE_1000FULL | ADVERTISE_1000HALF;
|
|
} else {
|
|
anar |= ADVERTISE_10HALF;
|
|
anar |= ADVERTISE_100HALF;
|
|
gbcr |= ADVERTISE_1000HALF;
|
|
}
|
|
} else {
|
|
ret = -EINVAL;
|
|
goto out;
|
|
}
|
|
|
|
bmcr = BMCR_ANENABLE | BMCR_ANRESTART;
|
|
}
|
|
|
|
if (test_and_clear_bit(PHY_RESET, &tp->flags))
|
|
bmcr |= BMCR_RESET;
|
|
|
|
if (tp->mii.supports_gmii)
|
|
r8152_mdio_write(tp, MII_CTRL1000, gbcr);
|
|
|
|
r8152_mdio_write(tp, MII_ADVERTISE, anar);
|
|
r8152_mdio_write(tp, MII_BMCR, bmcr);
|
|
|
|
if (bmcr & BMCR_RESET) {
|
|
int i;
|
|
|
|
for (i = 0; i < 50; i++) {
|
|
msleep(20);
|
|
if ((r8152_mdio_read(tp, MII_BMCR) & BMCR_RESET) == 0)
|
|
break;
|
|
}
|
|
}
|
|
|
|
out:
|
|
return ret;
|
|
}
|
|
|
|
static void rtl8152_up(struct r8152 *tp)
|
|
{
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags))
|
|
return;
|
|
|
|
r8152_aldps_en(tp, false);
|
|
r8152b_exit_oob(tp);
|
|
r8152_aldps_en(tp, true);
|
|
}
|
|
|
|
static void rtl8152_down(struct r8152 *tp)
|
|
{
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags)) {
|
|
rtl_drop_queued_tx(tp);
|
|
return;
|
|
}
|
|
|
|
r8152_power_cut_en(tp, false);
|
|
r8152_aldps_en(tp, false);
|
|
r8152b_enter_oob(tp);
|
|
r8152_aldps_en(tp, true);
|
|
}
|
|
|
|
static void rtl8153_up(struct r8152 *tp)
|
|
{
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags))
|
|
return;
|
|
|
|
r8153_u1u2en(tp, false);
|
|
r8153_aldps_en(tp, false);
|
|
r8153_first_init(tp);
|
|
r8153_aldps_en(tp, true);
|
|
r8153_u2p3en(tp, true);
|
|
r8153_u1u2en(tp, true);
|
|
usb_enable_lpm(tp->udev);
|
|
}
|
|
|
|
static void rtl8153_down(struct r8152 *tp)
|
|
{
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags)) {
|
|
rtl_drop_queued_tx(tp);
|
|
return;
|
|
}
|
|
|
|
r8153_u1u2en(tp, false);
|
|
r8153_u2p3en(tp, false);
|
|
r8153_power_cut_en(tp, false);
|
|
r8153_aldps_en(tp, false);
|
|
r8153_enter_oob(tp);
|
|
r8153_aldps_en(tp, true);
|
|
}
|
|
|
|
static bool rtl8152_in_nway(struct r8152 *tp)
|
|
{
|
|
u16 nway_state;
|
|
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_OCP_GPHY_BASE, 0x2000);
|
|
tp->ocp_base = 0x2000;
|
|
ocp_write_byte(tp, MCU_TYPE_PLA, 0xb014, 0x4c); /* phy state */
|
|
nway_state = ocp_read_word(tp, MCU_TYPE_PLA, 0xb01a);
|
|
|
|
/* bit 15: TXDIS_STATE, bit 14: ABD_STATE */
|
|
if (nway_state & 0xc000)
|
|
return false;
|
|
else
|
|
return true;
|
|
}
|
|
|
|
static bool rtl8153_in_nway(struct r8152 *tp)
|
|
{
|
|
u16 phy_state = ocp_reg_read(tp, OCP_PHY_STATE) & 0xff;
|
|
|
|
if (phy_state == TXDIS_STATE || phy_state == ABD_STATE)
|
|
return false;
|
|
else
|
|
return true;
|
|
}
|
|
|
|
static void set_carrier(struct r8152 *tp)
|
|
{
|
|
struct net_device *netdev = tp->netdev;
|
|
struct napi_struct *napi = &tp->napi;
|
|
u8 speed;
|
|
|
|
speed = rtl8152_get_speed(tp);
|
|
|
|
if (speed & LINK_STATUS) {
|
|
if (!netif_carrier_ok(netdev)) {
|
|
tp->rtl_ops.enable(tp);
|
|
set_bit(RTL8152_SET_RX_MODE, &tp->flags);
|
|
netif_stop_queue(netdev);
|
|
napi_disable(napi);
|
|
netif_carrier_on(netdev);
|
|
rtl_start_rx(tp);
|
|
napi_enable(&tp->napi);
|
|
netif_wake_queue(netdev);
|
|
netif_info(tp, link, netdev, "carrier on\n");
|
|
} else if (netif_queue_stopped(netdev) &&
|
|
skb_queue_len(&tp->tx_queue) < tp->tx_qlen) {
|
|
netif_wake_queue(netdev);
|
|
}
|
|
} else {
|
|
if (netif_carrier_ok(netdev)) {
|
|
netif_carrier_off(netdev);
|
|
napi_disable(napi);
|
|
tp->rtl_ops.disable(tp);
|
|
napi_enable(napi);
|
|
netif_info(tp, link, netdev, "carrier off\n");
|
|
}
|
|
}
|
|
}
|
|
|
|
static void rtl_work_func_t(struct work_struct *work)
|
|
{
|
|
struct r8152 *tp = container_of(work, struct r8152, schedule.work);
|
|
|
|
/* If the device is unplugged or !netif_running(), the workqueue
|
|
* doesn't need to wake the device, and could return directly.
|
|
*/
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags) || !netif_running(tp->netdev))
|
|
return;
|
|
|
|
if (usb_autopm_get_interface(tp->intf) < 0)
|
|
return;
|
|
|
|
if (!test_bit(WORK_ENABLE, &tp->flags))
|
|
goto out1;
|
|
|
|
if (!mutex_trylock(&tp->control)) {
|
|
schedule_delayed_work(&tp->schedule, 0);
|
|
goto out1;
|
|
}
|
|
|
|
if (test_and_clear_bit(RTL8152_LINK_CHG, &tp->flags))
|
|
set_carrier(tp);
|
|
|
|
if (test_and_clear_bit(RTL8152_SET_RX_MODE, &tp->flags))
|
|
_rtl8152_set_rx_mode(tp->netdev);
|
|
|
|
/* don't schedule napi before linking */
|
|
if (test_and_clear_bit(SCHEDULE_NAPI, &tp->flags) &&
|
|
netif_carrier_ok(tp->netdev))
|
|
napi_schedule(&tp->napi);
|
|
|
|
mutex_unlock(&tp->control);
|
|
|
|
out1:
|
|
usb_autopm_put_interface(tp->intf);
|
|
}
|
|
|
|
static void rtl_hw_phy_work_func_t(struct work_struct *work)
|
|
{
|
|
struct r8152 *tp = container_of(work, struct r8152, hw_phy_work.work);
|
|
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags))
|
|
return;
|
|
|
|
if (usb_autopm_get_interface(tp->intf) < 0)
|
|
return;
|
|
|
|
mutex_lock(&tp->control);
|
|
|
|
tp->rtl_ops.hw_phy_cfg(tp);
|
|
|
|
rtl8152_set_speed(tp, tp->autoneg, tp->speed, tp->duplex);
|
|
|
|
mutex_unlock(&tp->control);
|
|
|
|
usb_autopm_put_interface(tp->intf);
|
|
}
|
|
|
|
#ifdef CONFIG_PM_SLEEP
|
|
static int rtl_notifier(struct notifier_block *nb, unsigned long action,
|
|
void *data)
|
|
{
|
|
struct r8152 *tp = container_of(nb, struct r8152, pm_notifier);
|
|
|
|
switch (action) {
|
|
case PM_HIBERNATION_PREPARE:
|
|
case PM_SUSPEND_PREPARE:
|
|
usb_autopm_get_interface(tp->intf);
|
|
break;
|
|
|
|
case PM_POST_HIBERNATION:
|
|
case PM_POST_SUSPEND:
|
|
usb_autopm_put_interface(tp->intf);
|
|
break;
|
|
|
|
case PM_POST_RESTORE:
|
|
case PM_RESTORE_PREPARE:
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return NOTIFY_DONE;
|
|
}
|
|
#endif
|
|
|
|
static int rtl8152_open(struct net_device *netdev)
|
|
{
|
|
struct r8152 *tp = netdev_priv(netdev);
|
|
int res = 0;
|
|
|
|
res = alloc_all_mem(tp);
|
|
if (res)
|
|
goto out;
|
|
|
|
res = usb_autopm_get_interface(tp->intf);
|
|
if (res < 0)
|
|
goto out_free;
|
|
|
|
mutex_lock(&tp->control);
|
|
|
|
tp->rtl_ops.up(tp);
|
|
|
|
netif_carrier_off(netdev);
|
|
netif_start_queue(netdev);
|
|
set_bit(WORK_ENABLE, &tp->flags);
|
|
|
|
res = usb_submit_urb(tp->intr_urb, GFP_KERNEL);
|
|
if (res) {
|
|
if (res == -ENODEV)
|
|
netif_device_detach(tp->netdev);
|
|
netif_warn(tp, ifup, netdev, "intr_urb submit failed: %d\n",
|
|
res);
|
|
goto out_unlock;
|
|
}
|
|
napi_enable(&tp->napi);
|
|
|
|
mutex_unlock(&tp->control);
|
|
|
|
usb_autopm_put_interface(tp->intf);
|
|
#ifdef CONFIG_PM_SLEEP
|
|
tp->pm_notifier.notifier_call = rtl_notifier;
|
|
register_pm_notifier(&tp->pm_notifier);
|
|
#endif
|
|
return 0;
|
|
|
|
out_unlock:
|
|
mutex_unlock(&tp->control);
|
|
usb_autopm_put_interface(tp->intf);
|
|
out_free:
|
|
free_all_mem(tp);
|
|
out:
|
|
return res;
|
|
}
|
|
|
|
static int rtl8152_close(struct net_device *netdev)
|
|
{
|
|
struct r8152 *tp = netdev_priv(netdev);
|
|
int res = 0;
|
|
|
|
#ifdef CONFIG_PM_SLEEP
|
|
unregister_pm_notifier(&tp->pm_notifier);
|
|
#endif
|
|
napi_disable(&tp->napi);
|
|
clear_bit(WORK_ENABLE, &tp->flags);
|
|
usb_kill_urb(tp->intr_urb);
|
|
cancel_delayed_work_sync(&tp->schedule);
|
|
netif_stop_queue(netdev);
|
|
|
|
res = usb_autopm_get_interface(tp->intf);
|
|
if (res < 0 || test_bit(RTL8152_UNPLUG, &tp->flags)) {
|
|
rtl_drop_queued_tx(tp);
|
|
rtl_stop_rx(tp);
|
|
} else {
|
|
mutex_lock(&tp->control);
|
|
|
|
tp->rtl_ops.down(tp);
|
|
|
|
mutex_unlock(&tp->control);
|
|
|
|
usb_autopm_put_interface(tp->intf);
|
|
}
|
|
|
|
free_all_mem(tp);
|
|
|
|
return res;
|
|
}
|
|
|
|
static void rtl_tally_reset(struct r8152 *tp)
|
|
{
|
|
u32 ocp_data;
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_RSTTALLY);
|
|
ocp_data |= TALLY_RESET;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_RSTTALLY, ocp_data);
|
|
}
|
|
|
|
static void r8152b_init(struct r8152 *tp)
|
|
{
|
|
u32 ocp_data;
|
|
u16 data;
|
|
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags))
|
|
return;
|
|
|
|
data = r8152_mdio_read(tp, MII_BMCR);
|
|
if (data & BMCR_PDOWN) {
|
|
data &= ~BMCR_PDOWN;
|
|
r8152_mdio_write(tp, MII_BMCR, data);
|
|
}
|
|
|
|
r8152_aldps_en(tp, false);
|
|
|
|
if (tp->version == RTL_VER_01) {
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE);
|
|
ocp_data &= ~LED_MODE_MASK;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE, ocp_data);
|
|
}
|
|
|
|
r8152_power_cut_en(tp, false);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR);
|
|
ocp_data |= TX_10M_IDLE_EN | PFM_PWM_SWITCH;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR, ocp_data);
|
|
ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL);
|
|
ocp_data &= ~MCU_CLK_RATIO_MASK;
|
|
ocp_data |= MCU_CLK_RATIO | D3_CLK_GATED_EN;
|
|
ocp_write_dword(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL, ocp_data);
|
|
ocp_data = GPHY_STS_MSK | SPEED_DOWN_MSK |
|
|
SPDWN_RXDV_MSK | SPDWN_LINKCHG_MSK;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_GPHY_INTR_IMR, ocp_data);
|
|
|
|
rtl_tally_reset(tp);
|
|
|
|
/* enable rx aggregation */
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_USB_CTRL);
|
|
ocp_data &= ~(RX_AGG_DISABLE | RX_ZERO_EN);
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_USB_CTRL, ocp_data);
|
|
}
|
|
|
|
static void r8153_init(struct r8152 *tp)
|
|
{
|
|
u32 ocp_data;
|
|
u16 data;
|
|
int i;
|
|
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags))
|
|
return;
|
|
|
|
r8153_u1u2en(tp, false);
|
|
|
|
for (i = 0; i < 500; i++) {
|
|
if (ocp_read_word(tp, MCU_TYPE_PLA, PLA_BOOT_CTRL) &
|
|
AUTOLOAD_DONE)
|
|
break;
|
|
msleep(20);
|
|
}
|
|
|
|
for (i = 0; i < 500; i++) {
|
|
ocp_data = ocp_reg_read(tp, OCP_PHY_STATUS) & PHY_STAT_MASK;
|
|
if (ocp_data == PHY_STAT_LAN_ON || ocp_data == PHY_STAT_PWRDN)
|
|
break;
|
|
msleep(20);
|
|
}
|
|
|
|
if (tp->version == RTL_VER_03 || tp->version == RTL_VER_04 ||
|
|
tp->version == RTL_VER_05)
|
|
ocp_reg_write(tp, OCP_ADC_CFG, CKADSEL_L | ADC_EN | EN_EMI_L);
|
|
|
|
data = r8152_mdio_read(tp, MII_BMCR);
|
|
if (data & BMCR_PDOWN) {
|
|
data &= ~BMCR_PDOWN;
|
|
r8152_mdio_write(tp, MII_BMCR, data);
|
|
}
|
|
|
|
for (i = 0; i < 500; i++) {
|
|
ocp_data = ocp_reg_read(tp, OCP_PHY_STATUS) & PHY_STAT_MASK;
|
|
if (ocp_data == PHY_STAT_LAN_ON)
|
|
break;
|
|
msleep(20);
|
|
}
|
|
|
|
usb_disable_lpm(tp->udev);
|
|
r8153_u2p3en(tp, false);
|
|
|
|
if (tp->version == RTL_VER_04) {
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_SSPHYLINK2);
|
|
ocp_data &= ~pwd_dn_scale_mask;
|
|
ocp_data |= pwd_dn_scale(96);
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_SSPHYLINK2, ocp_data);
|
|
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_USB2PHY);
|
|
ocp_data |= USB2PHY_L1 | USB2PHY_SUSPEND;
|
|
ocp_write_byte(tp, MCU_TYPE_USB, USB_USB2PHY, ocp_data);
|
|
} else if (tp->version == RTL_VER_05) {
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_DMY_REG0);
|
|
ocp_data &= ~ECM_ALDPS;
|
|
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_DMY_REG0, ocp_data);
|
|
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_CSR_DUMMY1);
|
|
if (ocp_read_word(tp, MCU_TYPE_USB, USB_BURST_SIZE) == 0)
|
|
ocp_data &= ~DYNAMIC_BURST;
|
|
else
|
|
ocp_data |= DYNAMIC_BURST;
|
|
ocp_write_byte(tp, MCU_TYPE_USB, USB_CSR_DUMMY1, ocp_data);
|
|
} else if (tp->version == RTL_VER_06) {
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_CSR_DUMMY1);
|
|
if (ocp_read_word(tp, MCU_TYPE_USB, USB_BURST_SIZE) == 0)
|
|
ocp_data &= ~DYNAMIC_BURST;
|
|
else
|
|
ocp_data |= DYNAMIC_BURST;
|
|
ocp_write_byte(tp, MCU_TYPE_USB, USB_CSR_DUMMY1, ocp_data);
|
|
}
|
|
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_CSR_DUMMY2);
|
|
ocp_data |= EP4_FULL_FC;
|
|
ocp_write_byte(tp, MCU_TYPE_USB, USB_CSR_DUMMY2, ocp_data);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_WDT11_CTRL);
|
|
ocp_data &= ~TIMER11_EN;
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_WDT11_CTRL, ocp_data);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE);
|
|
ocp_data &= ~LED_MODE_MASK;
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE, ocp_data);
|
|
|
|
ocp_data = FIFO_EMPTY_1FB | ROK_EXIT_LPM;
|
|
if (tp->version == RTL_VER_04 && tp->udev->speed < USB_SPEED_SUPER)
|
|
ocp_data |= LPM_TIMER_500MS;
|
|
else
|
|
ocp_data |= LPM_TIMER_500US;
|
|
ocp_write_byte(tp, MCU_TYPE_USB, USB_LPM_CTRL, ocp_data);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_AFE_CTRL2);
|
|
ocp_data &= ~SEN_VAL_MASK;
|
|
ocp_data |= SEN_VAL_NORMAL | SEL_RXIDLE;
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_AFE_CTRL2, ocp_data);
|
|
|
|
ocp_write_word(tp, MCU_TYPE_USB, USB_CONNECT_TIMER, 0x0001);
|
|
|
|
r8153_power_cut_en(tp, false);
|
|
r8153_u1u2en(tp, true);
|
|
|
|
/* MAC clock speed down */
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL, 0);
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL2, 0);
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL3, 0);
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL4, 0);
|
|
|
|
rtl_tally_reset(tp);
|
|
r8153_u2p3en(tp, true);
|
|
}
|
|
|
|
static int rtl8152_pre_reset(struct usb_interface *intf)
|
|
{
|
|
struct r8152 *tp = usb_get_intfdata(intf);
|
|
struct net_device *netdev;
|
|
|
|
if (!tp)
|
|
return 0;
|
|
|
|
netdev = tp->netdev;
|
|
if (!netif_running(netdev))
|
|
return 0;
|
|
|
|
netif_stop_queue(netdev);
|
|
napi_disable(&tp->napi);
|
|
clear_bit(WORK_ENABLE, &tp->flags);
|
|
usb_kill_urb(tp->intr_urb);
|
|
cancel_delayed_work_sync(&tp->schedule);
|
|
if (netif_carrier_ok(netdev)) {
|
|
mutex_lock(&tp->control);
|
|
tp->rtl_ops.disable(tp);
|
|
mutex_unlock(&tp->control);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int rtl8152_post_reset(struct usb_interface *intf)
|
|
{
|
|
struct r8152 *tp = usb_get_intfdata(intf);
|
|
struct net_device *netdev;
|
|
|
|
if (!tp)
|
|
return 0;
|
|
|
|
netdev = tp->netdev;
|
|
if (!netif_running(netdev))
|
|
return 0;
|
|
|
|
set_bit(WORK_ENABLE, &tp->flags);
|
|
if (netif_carrier_ok(netdev)) {
|
|
mutex_lock(&tp->control);
|
|
tp->rtl_ops.enable(tp);
|
|
rtl_start_rx(tp);
|
|
rtl8152_set_rx_mode(netdev);
|
|
mutex_unlock(&tp->control);
|
|
}
|
|
|
|
napi_enable(&tp->napi);
|
|
netif_wake_queue(netdev);
|
|
usb_submit_urb(tp->intr_urb, GFP_KERNEL);
|
|
|
|
if (!list_empty(&tp->rx_done))
|
|
napi_schedule(&tp->napi);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static bool delay_autosuspend(struct r8152 *tp)
|
|
{
|
|
bool sw_linking = !!netif_carrier_ok(tp->netdev);
|
|
bool hw_linking = !!(rtl8152_get_speed(tp) & LINK_STATUS);
|
|
|
|
/* This means a linking change occurs and the driver doesn't detect it,
|
|
* yet. If the driver has disabled tx/rx and hw is linking on, the
|
|
* device wouldn't wake up by receiving any packet.
|
|
*/
|
|
if (work_busy(&tp->schedule.work) || sw_linking != hw_linking)
|
|
return true;
|
|
|
|
/* If the linking down is occurred by nway, the device may miss the
|
|
* linking change event. And it wouldn't wake when linking on.
|
|
*/
|
|
if (!sw_linking && tp->rtl_ops.in_nway(tp))
|
|
return true;
|
|
else if (!skb_queue_empty(&tp->tx_queue))
|
|
return true;
|
|
else
|
|
return false;
|
|
}
|
|
|
|
static int rtl8152_runtime_suspend(struct r8152 *tp)
|
|
{
|
|
struct net_device *netdev = tp->netdev;
|
|
int ret = 0;
|
|
|
|
set_bit(SELECTIVE_SUSPEND, &tp->flags);
|
|
smp_mb__after_atomic();
|
|
|
|
if (netif_running(netdev) && test_bit(WORK_ENABLE, &tp->flags)) {
|
|
u32 rcr = 0;
|
|
|
|
if (delay_autosuspend(tp)) {
|
|
clear_bit(SELECTIVE_SUSPEND, &tp->flags);
|
|
smp_mb__after_atomic();
|
|
ret = -EBUSY;
|
|
goto out1;
|
|
}
|
|
|
|
if (netif_carrier_ok(netdev)) {
|
|
u32 ocp_data;
|
|
|
|
rcr = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
|
|
ocp_data = rcr & ~RCR_ACPT_ALL;
|
|
ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
|
|
rxdy_gated_en(tp, true);
|
|
ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA,
|
|
PLA_OOB_CTRL);
|
|
if (!(ocp_data & RXFIFO_EMPTY)) {
|
|
rxdy_gated_en(tp, false);
|
|
ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, rcr);
|
|
clear_bit(SELECTIVE_SUSPEND, &tp->flags);
|
|
smp_mb__after_atomic();
|
|
ret = -EBUSY;
|
|
goto out1;
|
|
}
|
|
}
|
|
|
|
clear_bit(WORK_ENABLE, &tp->flags);
|
|
usb_kill_urb(tp->intr_urb);
|
|
|
|
tp->rtl_ops.autosuspend_en(tp, true);
|
|
|
|
if (netif_carrier_ok(netdev)) {
|
|
struct napi_struct *napi = &tp->napi;
|
|
|
|
napi_disable(napi);
|
|
rtl_stop_rx(tp);
|
|
rxdy_gated_en(tp, false);
|
|
ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, rcr);
|
|
napi_enable(napi);
|
|
}
|
|
}
|
|
|
|
out1:
|
|
return ret;
|
|
}
|
|
|
|
static int rtl8152_system_suspend(struct r8152 *tp)
|
|
{
|
|
struct net_device *netdev = tp->netdev;
|
|
int ret = 0;
|
|
|
|
netif_device_detach(netdev);
|
|
|
|
if (netif_running(netdev) && test_bit(WORK_ENABLE, &tp->flags)) {
|
|
struct napi_struct *napi = &tp->napi;
|
|
|
|
clear_bit(WORK_ENABLE, &tp->flags);
|
|
usb_kill_urb(tp->intr_urb);
|
|
napi_disable(napi);
|
|
cancel_delayed_work_sync(&tp->schedule);
|
|
tp->rtl_ops.down(tp);
|
|
napi_enable(napi);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int rtl8152_suspend(struct usb_interface *intf, pm_message_t message)
|
|
{
|
|
struct r8152 *tp = usb_get_intfdata(intf);
|
|
int ret;
|
|
|
|
mutex_lock(&tp->control);
|
|
|
|
if (PMSG_IS_AUTO(message))
|
|
ret = rtl8152_runtime_suspend(tp);
|
|
else
|
|
ret = rtl8152_system_suspend(tp);
|
|
|
|
mutex_unlock(&tp->control);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int rtl8152_resume(struct usb_interface *intf)
|
|
{
|
|
struct r8152 *tp = usb_get_intfdata(intf);
|
|
struct net_device *netdev = tp->netdev;
|
|
|
|
mutex_lock(&tp->control);
|
|
|
|
if (!test_bit(SELECTIVE_SUSPEND, &tp->flags)) {
|
|
tp->rtl_ops.init(tp);
|
|
queue_delayed_work(system_long_wq, &tp->hw_phy_work, 0);
|
|
netif_device_attach(netdev);
|
|
}
|
|
|
|
if (netif_running(netdev) && netdev->flags & IFF_UP) {
|
|
if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) {
|
|
struct napi_struct *napi = &tp->napi;
|
|
|
|
tp->rtl_ops.autosuspend_en(tp, false);
|
|
napi_disable(napi);
|
|
set_bit(WORK_ENABLE, &tp->flags);
|
|
if (netif_carrier_ok(netdev)) {
|
|
if (rtl8152_get_speed(tp) & LINK_STATUS) {
|
|
rtl_start_rx(tp);
|
|
} else {
|
|
netif_carrier_off(netdev);
|
|
tp->rtl_ops.disable(tp);
|
|
netif_info(tp, link, netdev,
|
|
"linking down\n");
|
|
}
|
|
}
|
|
napi_enable(napi);
|
|
clear_bit(SELECTIVE_SUSPEND, &tp->flags);
|
|
smp_mb__after_atomic();
|
|
if (!list_empty(&tp->rx_done))
|
|
napi_schedule(&tp->napi);
|
|
} else {
|
|
tp->rtl_ops.up(tp);
|
|
netif_carrier_off(netdev);
|
|
set_bit(WORK_ENABLE, &tp->flags);
|
|
}
|
|
usb_submit_urb(tp->intr_urb, GFP_KERNEL);
|
|
} else if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) {
|
|
if (netdev->flags & IFF_UP)
|
|
tp->rtl_ops.autosuspend_en(tp, false);
|
|
clear_bit(SELECTIVE_SUSPEND, &tp->flags);
|
|
}
|
|
|
|
mutex_unlock(&tp->control);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int rtl8152_reset_resume(struct usb_interface *intf)
|
|
{
|
|
struct r8152 *tp = usb_get_intfdata(intf);
|
|
|
|
clear_bit(SELECTIVE_SUSPEND, &tp->flags);
|
|
return rtl8152_resume(intf);
|
|
}
|
|
|
|
static void rtl8152_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
|
|
{
|
|
struct r8152 *tp = netdev_priv(dev);
|
|
|
|
if (usb_autopm_get_interface(tp->intf) < 0)
|
|
return;
|
|
|
|
if (!rtl_can_wakeup(tp)) {
|
|
wol->supported = 0;
|
|
wol->wolopts = 0;
|
|
} else {
|
|
mutex_lock(&tp->control);
|
|
wol->supported = WAKE_ANY;
|
|
wol->wolopts = __rtl_get_wol(tp);
|
|
mutex_unlock(&tp->control);
|
|
}
|
|
|
|
usb_autopm_put_interface(tp->intf);
|
|
}
|
|
|
|
static int rtl8152_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
|
|
{
|
|
struct r8152 *tp = netdev_priv(dev);
|
|
int ret;
|
|
|
|
if (!rtl_can_wakeup(tp))
|
|
return -EOPNOTSUPP;
|
|
|
|
ret = usb_autopm_get_interface(tp->intf);
|
|
if (ret < 0)
|
|
goto out_set_wol;
|
|
|
|
mutex_lock(&tp->control);
|
|
|
|
__rtl_set_wol(tp, wol->wolopts);
|
|
tp->saved_wolopts = wol->wolopts & WAKE_ANY;
|
|
|
|
mutex_unlock(&tp->control);
|
|
|
|
usb_autopm_put_interface(tp->intf);
|
|
|
|
out_set_wol:
|
|
return ret;
|
|
}
|
|
|
|
static u32 rtl8152_get_msglevel(struct net_device *dev)
|
|
{
|
|
struct r8152 *tp = netdev_priv(dev);
|
|
|
|
return tp->msg_enable;
|
|
}
|
|
|
|
static void rtl8152_set_msglevel(struct net_device *dev, u32 value)
|
|
{
|
|
struct r8152 *tp = netdev_priv(dev);
|
|
|
|
tp->msg_enable = value;
|
|
}
|
|
|
|
static void rtl8152_get_drvinfo(struct net_device *netdev,
|
|
struct ethtool_drvinfo *info)
|
|
{
|
|
struct r8152 *tp = netdev_priv(netdev);
|
|
|
|
strlcpy(info->driver, MODULENAME, sizeof(info->driver));
|
|
strlcpy(info->version, DRIVER_VERSION, sizeof(info->version));
|
|
usb_make_path(tp->udev, info->bus_info, sizeof(info->bus_info));
|
|
}
|
|
|
|
static
|
|
int rtl8152_get_link_ksettings(struct net_device *netdev,
|
|
struct ethtool_link_ksettings *cmd)
|
|
{
|
|
struct r8152 *tp = netdev_priv(netdev);
|
|
int ret;
|
|
|
|
if (!tp->mii.mdio_read)
|
|
return -EOPNOTSUPP;
|
|
|
|
ret = usb_autopm_get_interface(tp->intf);
|
|
if (ret < 0)
|
|
goto out;
|
|
|
|
mutex_lock(&tp->control);
|
|
|
|
ret = mii_ethtool_get_link_ksettings(&tp->mii, cmd);
|
|
|
|
mutex_unlock(&tp->control);
|
|
|
|
usb_autopm_put_interface(tp->intf);
|
|
|
|
out:
|
|
return ret;
|
|
}
|
|
|
|
static int rtl8152_set_link_ksettings(struct net_device *dev,
|
|
const struct ethtool_link_ksettings *cmd)
|
|
{
|
|
struct r8152 *tp = netdev_priv(dev);
|
|
int ret;
|
|
|
|
ret = usb_autopm_get_interface(tp->intf);
|
|
if (ret < 0)
|
|
goto out;
|
|
|
|
mutex_lock(&tp->control);
|
|
|
|
ret = rtl8152_set_speed(tp, cmd->base.autoneg, cmd->base.speed,
|
|
cmd->base.duplex);
|
|
if (!ret) {
|
|
tp->autoneg = cmd->base.autoneg;
|
|
tp->speed = cmd->base.speed;
|
|
tp->duplex = cmd->base.duplex;
|
|
}
|
|
|
|
mutex_unlock(&tp->control);
|
|
|
|
usb_autopm_put_interface(tp->intf);
|
|
|
|
out:
|
|
return ret;
|
|
}
|
|
|
|
static const char rtl8152_gstrings[][ETH_GSTRING_LEN] = {
|
|
"tx_packets",
|
|
"rx_packets",
|
|
"tx_errors",
|
|
"rx_errors",
|
|
"rx_missed",
|
|
"align_errors",
|
|
"tx_single_collisions",
|
|
"tx_multi_collisions",
|
|
"rx_unicast",
|
|
"rx_broadcast",
|
|
"rx_multicast",
|
|
"tx_aborted",
|
|
"tx_underrun",
|
|
};
|
|
|
|
static int rtl8152_get_sset_count(struct net_device *dev, int sset)
|
|
{
|
|
switch (sset) {
|
|
case ETH_SS_STATS:
|
|
return ARRAY_SIZE(rtl8152_gstrings);
|
|
default:
|
|
return -EOPNOTSUPP;
|
|
}
|
|
}
|
|
|
|
static void rtl8152_get_ethtool_stats(struct net_device *dev,
|
|
struct ethtool_stats *stats, u64 *data)
|
|
{
|
|
struct r8152 *tp = netdev_priv(dev);
|
|
struct tally_counter tally;
|
|
|
|
if (usb_autopm_get_interface(tp->intf) < 0)
|
|
return;
|
|
|
|
generic_ocp_read(tp, PLA_TALLYCNT, sizeof(tally), &tally, MCU_TYPE_PLA);
|
|
|
|
usb_autopm_put_interface(tp->intf);
|
|
|
|
data[0] = le64_to_cpu(tally.tx_packets);
|
|
data[1] = le64_to_cpu(tally.rx_packets);
|
|
data[2] = le64_to_cpu(tally.tx_errors);
|
|
data[3] = le32_to_cpu(tally.rx_errors);
|
|
data[4] = le16_to_cpu(tally.rx_missed);
|
|
data[5] = le16_to_cpu(tally.align_errors);
|
|
data[6] = le32_to_cpu(tally.tx_one_collision);
|
|
data[7] = le32_to_cpu(tally.tx_multi_collision);
|
|
data[8] = le64_to_cpu(tally.rx_unicast);
|
|
data[9] = le64_to_cpu(tally.rx_broadcast);
|
|
data[10] = le32_to_cpu(tally.rx_multicast);
|
|
data[11] = le16_to_cpu(tally.tx_aborted);
|
|
data[12] = le16_to_cpu(tally.tx_underrun);
|
|
}
|
|
|
|
static void rtl8152_get_strings(struct net_device *dev, u32 stringset, u8 *data)
|
|
{
|
|
switch (stringset) {
|
|
case ETH_SS_STATS:
|
|
memcpy(data, *rtl8152_gstrings, sizeof(rtl8152_gstrings));
|
|
break;
|
|
}
|
|
}
|
|
|
|
static int r8152_get_eee(struct r8152 *tp, struct ethtool_eee *eee)
|
|
{
|
|
u32 ocp_data, lp, adv, supported = 0;
|
|
u16 val;
|
|
|
|
val = r8152_mmd_read(tp, MDIO_MMD_PCS, MDIO_PCS_EEE_ABLE);
|
|
supported = mmd_eee_cap_to_ethtool_sup_t(val);
|
|
|
|
val = r8152_mmd_read(tp, MDIO_MMD_AN, MDIO_AN_EEE_ADV);
|
|
adv = mmd_eee_adv_to_ethtool_adv_t(val);
|
|
|
|
val = r8152_mmd_read(tp, MDIO_MMD_AN, MDIO_AN_EEE_LPABLE);
|
|
lp = mmd_eee_adv_to_ethtool_adv_t(val);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEE_CR);
|
|
ocp_data &= EEE_RX_EN | EEE_TX_EN;
|
|
|
|
eee->eee_enabled = !!ocp_data;
|
|
eee->eee_active = !!(supported & adv & lp);
|
|
eee->supported = supported;
|
|
eee->advertised = adv;
|
|
eee->lp_advertised = lp;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int r8152_set_eee(struct r8152 *tp, struct ethtool_eee *eee)
|
|
{
|
|
u16 val = ethtool_adv_to_mmd_eee_adv_t(eee->advertised);
|
|
|
|
r8152_eee_en(tp, eee->eee_enabled);
|
|
|
|
if (!eee->eee_enabled)
|
|
val = 0;
|
|
|
|
r8152_mmd_write(tp, MDIO_MMD_AN, MDIO_AN_EEE_ADV, val);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int r8153_get_eee(struct r8152 *tp, struct ethtool_eee *eee)
|
|
{
|
|
u32 ocp_data, lp, adv, supported = 0;
|
|
u16 val;
|
|
|
|
val = ocp_reg_read(tp, OCP_EEE_ABLE);
|
|
supported = mmd_eee_cap_to_ethtool_sup_t(val);
|
|
|
|
val = ocp_reg_read(tp, OCP_EEE_ADV);
|
|
adv = mmd_eee_adv_to_ethtool_adv_t(val);
|
|
|
|
val = ocp_reg_read(tp, OCP_EEE_LPABLE);
|
|
lp = mmd_eee_adv_to_ethtool_adv_t(val);
|
|
|
|
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEE_CR);
|
|
ocp_data &= EEE_RX_EN | EEE_TX_EN;
|
|
|
|
eee->eee_enabled = !!ocp_data;
|
|
eee->eee_active = !!(supported & adv & lp);
|
|
eee->supported = supported;
|
|
eee->advertised = adv;
|
|
eee->lp_advertised = lp;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int r8153_set_eee(struct r8152 *tp, struct ethtool_eee *eee)
|
|
{
|
|
u16 val = ethtool_adv_to_mmd_eee_adv_t(eee->advertised);
|
|
|
|
r8153_eee_en(tp, eee->eee_enabled);
|
|
|
|
if (!eee->eee_enabled)
|
|
val = 0;
|
|
|
|
ocp_reg_write(tp, OCP_EEE_ADV, val);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
rtl_ethtool_get_eee(struct net_device *net, struct ethtool_eee *edata)
|
|
{
|
|
struct r8152 *tp = netdev_priv(net);
|
|
int ret;
|
|
|
|
ret = usb_autopm_get_interface(tp->intf);
|
|
if (ret < 0)
|
|
goto out;
|
|
|
|
mutex_lock(&tp->control);
|
|
|
|
ret = tp->rtl_ops.eee_get(tp, edata);
|
|
|
|
mutex_unlock(&tp->control);
|
|
|
|
usb_autopm_put_interface(tp->intf);
|
|
|
|
out:
|
|
return ret;
|
|
}
|
|
|
|
static int
|
|
rtl_ethtool_set_eee(struct net_device *net, struct ethtool_eee *edata)
|
|
{
|
|
struct r8152 *tp = netdev_priv(net);
|
|
int ret;
|
|
|
|
ret = usb_autopm_get_interface(tp->intf);
|
|
if (ret < 0)
|
|
goto out;
|
|
|
|
mutex_lock(&tp->control);
|
|
|
|
ret = tp->rtl_ops.eee_set(tp, edata);
|
|
if (!ret)
|
|
ret = mii_nway_restart(&tp->mii);
|
|
|
|
mutex_unlock(&tp->control);
|
|
|
|
usb_autopm_put_interface(tp->intf);
|
|
|
|
out:
|
|
return ret;
|
|
}
|
|
|
|
static int rtl8152_nway_reset(struct net_device *dev)
|
|
{
|
|
struct r8152 *tp = netdev_priv(dev);
|
|
int ret;
|
|
|
|
ret = usb_autopm_get_interface(tp->intf);
|
|
if (ret < 0)
|
|
goto out;
|
|
|
|
mutex_lock(&tp->control);
|
|
|
|
ret = mii_nway_restart(&tp->mii);
|
|
|
|
mutex_unlock(&tp->control);
|
|
|
|
usb_autopm_put_interface(tp->intf);
|
|
|
|
out:
|
|
return ret;
|
|
}
|
|
|
|
static int rtl8152_get_coalesce(struct net_device *netdev,
|
|
struct ethtool_coalesce *coalesce)
|
|
{
|
|
struct r8152 *tp = netdev_priv(netdev);
|
|
|
|
switch (tp->version) {
|
|
case RTL_VER_01:
|
|
case RTL_VER_02:
|
|
return -EOPNOTSUPP;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
coalesce->rx_coalesce_usecs = tp->coalesce;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int rtl8152_set_coalesce(struct net_device *netdev,
|
|
struct ethtool_coalesce *coalesce)
|
|
{
|
|
struct r8152 *tp = netdev_priv(netdev);
|
|
int ret;
|
|
|
|
switch (tp->version) {
|
|
case RTL_VER_01:
|
|
case RTL_VER_02:
|
|
return -EOPNOTSUPP;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (coalesce->rx_coalesce_usecs > COALESCE_SLOW)
|
|
return -EINVAL;
|
|
|
|
ret = usb_autopm_get_interface(tp->intf);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
mutex_lock(&tp->control);
|
|
|
|
if (tp->coalesce != coalesce->rx_coalesce_usecs) {
|
|
tp->coalesce = coalesce->rx_coalesce_usecs;
|
|
|
|
if (netif_running(tp->netdev) && netif_carrier_ok(netdev))
|
|
r8153_set_rx_early_timeout(tp);
|
|
}
|
|
|
|
mutex_unlock(&tp->control);
|
|
|
|
usb_autopm_put_interface(tp->intf);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static const struct ethtool_ops ops = {
|
|
.get_drvinfo = rtl8152_get_drvinfo,
|
|
.get_link = ethtool_op_get_link,
|
|
.nway_reset = rtl8152_nway_reset,
|
|
.get_msglevel = rtl8152_get_msglevel,
|
|
.set_msglevel = rtl8152_set_msglevel,
|
|
.get_wol = rtl8152_get_wol,
|
|
.set_wol = rtl8152_set_wol,
|
|
.get_strings = rtl8152_get_strings,
|
|
.get_sset_count = rtl8152_get_sset_count,
|
|
.get_ethtool_stats = rtl8152_get_ethtool_stats,
|
|
.get_coalesce = rtl8152_get_coalesce,
|
|
.set_coalesce = rtl8152_set_coalesce,
|
|
.get_eee = rtl_ethtool_get_eee,
|
|
.set_eee = rtl_ethtool_set_eee,
|
|
.get_link_ksettings = rtl8152_get_link_ksettings,
|
|
.set_link_ksettings = rtl8152_set_link_ksettings,
|
|
};
|
|
|
|
static int rtl8152_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd)
|
|
{
|
|
struct r8152 *tp = netdev_priv(netdev);
|
|
struct mii_ioctl_data *data = if_mii(rq);
|
|
int res;
|
|
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags))
|
|
return -ENODEV;
|
|
|
|
res = usb_autopm_get_interface(tp->intf);
|
|
if (res < 0)
|
|
goto out;
|
|
|
|
switch (cmd) {
|
|
case SIOCGMIIPHY:
|
|
data->phy_id = R8152_PHY_ID; /* Internal PHY */
|
|
break;
|
|
|
|
case SIOCGMIIREG:
|
|
mutex_lock(&tp->control);
|
|
data->val_out = r8152_mdio_read(tp, data->reg_num);
|
|
mutex_unlock(&tp->control);
|
|
break;
|
|
|
|
case SIOCSMIIREG:
|
|
if (!capable(CAP_NET_ADMIN)) {
|
|
res = -EPERM;
|
|
break;
|
|
}
|
|
mutex_lock(&tp->control);
|
|
r8152_mdio_write(tp, data->reg_num, data->val_in);
|
|
mutex_unlock(&tp->control);
|
|
break;
|
|
|
|
default:
|
|
res = -EOPNOTSUPP;
|
|
}
|
|
|
|
usb_autopm_put_interface(tp->intf);
|
|
|
|
out:
|
|
return res;
|
|
}
|
|
|
|
static int rtl8152_change_mtu(struct net_device *dev, int new_mtu)
|
|
{
|
|
struct r8152 *tp = netdev_priv(dev);
|
|
int ret;
|
|
|
|
switch (tp->version) {
|
|
case RTL_VER_01:
|
|
case RTL_VER_02:
|
|
dev->mtu = new_mtu;
|
|
return 0;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
ret = usb_autopm_get_interface(tp->intf);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
mutex_lock(&tp->control);
|
|
|
|
dev->mtu = new_mtu;
|
|
|
|
if (netif_running(dev)) {
|
|
u32 rms = new_mtu + VLAN_ETH_HLEN + CRC_SIZE;
|
|
|
|
ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, rms);
|
|
|
|
if (netif_carrier_ok(dev))
|
|
r8153_set_rx_early_size(tp);
|
|
}
|
|
|
|
mutex_unlock(&tp->control);
|
|
|
|
usb_autopm_put_interface(tp->intf);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static const struct net_device_ops rtl8152_netdev_ops = {
|
|
.ndo_open = rtl8152_open,
|
|
.ndo_stop = rtl8152_close,
|
|
.ndo_do_ioctl = rtl8152_ioctl,
|
|
.ndo_start_xmit = rtl8152_start_xmit,
|
|
.ndo_tx_timeout = rtl8152_tx_timeout,
|
|
.ndo_set_features = rtl8152_set_features,
|
|
.ndo_set_rx_mode = rtl8152_set_rx_mode,
|
|
.ndo_set_mac_address = rtl8152_set_mac_address,
|
|
.ndo_change_mtu = rtl8152_change_mtu,
|
|
.ndo_validate_addr = eth_validate_addr,
|
|
.ndo_features_check = rtl8152_features_check,
|
|
};
|
|
|
|
static void rtl8152_unload(struct r8152 *tp)
|
|
{
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags))
|
|
return;
|
|
|
|
if (tp->version != RTL_VER_01)
|
|
r8152_power_cut_en(tp, true);
|
|
}
|
|
|
|
static void rtl8153_unload(struct r8152 *tp)
|
|
{
|
|
if (test_bit(RTL8152_UNPLUG, &tp->flags))
|
|
return;
|
|
|
|
r8153_power_cut_en(tp, false);
|
|
}
|
|
|
|
static int rtl_ops_init(struct r8152 *tp)
|
|
{
|
|
struct rtl_ops *ops = &tp->rtl_ops;
|
|
int ret = 0;
|
|
|
|
switch (tp->version) {
|
|
case RTL_VER_01:
|
|
case RTL_VER_02:
|
|
ops->init = r8152b_init;
|
|
ops->enable = rtl8152_enable;
|
|
ops->disable = rtl8152_disable;
|
|
ops->up = rtl8152_up;
|
|
ops->down = rtl8152_down;
|
|
ops->unload = rtl8152_unload;
|
|
ops->eee_get = r8152_get_eee;
|
|
ops->eee_set = r8152_set_eee;
|
|
ops->in_nway = rtl8152_in_nway;
|
|
ops->hw_phy_cfg = r8152b_hw_phy_cfg;
|
|
ops->autosuspend_en = rtl_runtime_suspend_enable;
|
|
break;
|
|
|
|
case RTL_VER_03:
|
|
case RTL_VER_04:
|
|
case RTL_VER_05:
|
|
case RTL_VER_06:
|
|
ops->init = r8153_init;
|
|
ops->enable = rtl8153_enable;
|
|
ops->disable = rtl8153_disable;
|
|
ops->up = rtl8153_up;
|
|
ops->down = rtl8153_down;
|
|
ops->unload = rtl8153_unload;
|
|
ops->eee_get = r8153_get_eee;
|
|
ops->eee_set = r8153_set_eee;
|
|
ops->in_nway = rtl8153_in_nway;
|
|
ops->hw_phy_cfg = r8153_hw_phy_cfg;
|
|
ops->autosuspend_en = rtl8153_runtime_enable;
|
|
break;
|
|
|
|
default:
|
|
ret = -ENODEV;
|
|
netif_err(tp, probe, tp->netdev, "Unknown Device\n");
|
|
break;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static u8 rtl_get_version(struct usb_interface *intf)
|
|
{
|
|
struct usb_device *udev = interface_to_usbdev(intf);
|
|
u32 ocp_data = 0;
|
|
__le32 *tmp;
|
|
u8 version;
|
|
int ret;
|
|
|
|
tmp = kmalloc(sizeof(*tmp), GFP_KERNEL);
|
|
if (!tmp)
|
|
return 0;
|
|
|
|
ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
|
|
RTL8152_REQ_GET_REGS, RTL8152_REQT_READ,
|
|
PLA_TCR0, MCU_TYPE_PLA, tmp, sizeof(*tmp), 500);
|
|
if (ret > 0)
|
|
ocp_data = (__le32_to_cpu(*tmp) >> 16) & VERSION_MASK;
|
|
|
|
kfree(tmp);
|
|
|
|
switch (ocp_data) {
|
|
case 0x4c00:
|
|
version = RTL_VER_01;
|
|
break;
|
|
case 0x4c10:
|
|
version = RTL_VER_02;
|
|
break;
|
|
case 0x5c00:
|
|
version = RTL_VER_03;
|
|
break;
|
|
case 0x5c10:
|
|
version = RTL_VER_04;
|
|
break;
|
|
case 0x5c20:
|
|
version = RTL_VER_05;
|
|
break;
|
|
case 0x5c30:
|
|
version = RTL_VER_06;
|
|
break;
|
|
default:
|
|
version = RTL_VER_UNKNOWN;
|
|
dev_info(&intf->dev, "Unknown version 0x%04x\n", ocp_data);
|
|
break;
|
|
}
|
|
|
|
return version;
|
|
}
|
|
|
|
static int rtl8152_probe(struct usb_interface *intf,
|
|
const struct usb_device_id *id)
|
|
{
|
|
struct usb_device *udev = interface_to_usbdev(intf);
|
|
u8 version = rtl_get_version(intf);
|
|
struct r8152 *tp;
|
|
struct net_device *netdev;
|
|
int ret;
|
|
|
|
if (version == RTL_VER_UNKNOWN)
|
|
return -ENODEV;
|
|
|
|
if (udev->actconfig->desc.bConfigurationValue != 1) {
|
|
usb_driver_set_configuration(udev, 1);
|
|
return -ENODEV;
|
|
}
|
|
|
|
usb_reset_device(udev);
|
|
netdev = alloc_etherdev(sizeof(struct r8152));
|
|
if (!netdev) {
|
|
dev_err(&intf->dev, "Out of memory\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
SET_NETDEV_DEV(netdev, &intf->dev);
|
|
tp = netdev_priv(netdev);
|
|
tp->msg_enable = 0x7FFF;
|
|
|
|
tp->udev = udev;
|
|
tp->netdev = netdev;
|
|
tp->intf = intf;
|
|
tp->version = version;
|
|
|
|
switch (version) {
|
|
case RTL_VER_01:
|
|
case RTL_VER_02:
|
|
tp->mii.supports_gmii = 0;
|
|
break;
|
|
default:
|
|
tp->mii.supports_gmii = 1;
|
|
break;
|
|
}
|
|
|
|
ret = rtl_ops_init(tp);
|
|
if (ret)
|
|
goto out;
|
|
|
|
mutex_init(&tp->control);
|
|
INIT_DELAYED_WORK(&tp->schedule, rtl_work_func_t);
|
|
INIT_DELAYED_WORK(&tp->hw_phy_work, rtl_hw_phy_work_func_t);
|
|
|
|
netdev->netdev_ops = &rtl8152_netdev_ops;
|
|
netdev->watchdog_timeo = RTL8152_TX_TIMEOUT;
|
|
|
|
netdev->features |= NETIF_F_RXCSUM | NETIF_F_IP_CSUM | NETIF_F_SG |
|
|
NETIF_F_TSO | NETIF_F_FRAGLIST | NETIF_F_IPV6_CSUM |
|
|
NETIF_F_TSO6 | NETIF_F_HW_VLAN_CTAG_RX |
|
|
NETIF_F_HW_VLAN_CTAG_TX;
|
|
netdev->hw_features = NETIF_F_RXCSUM | NETIF_F_IP_CSUM | NETIF_F_SG |
|
|
NETIF_F_TSO | NETIF_F_FRAGLIST |
|
|
NETIF_F_IPV6_CSUM | NETIF_F_TSO6 |
|
|
NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_CTAG_TX;
|
|
netdev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
|
|
NETIF_F_HIGHDMA | NETIF_F_FRAGLIST |
|
|
NETIF_F_IPV6_CSUM | NETIF_F_TSO6;
|
|
|
|
if (tp->version == RTL_VER_01) {
|
|
netdev->features &= ~NETIF_F_RXCSUM;
|
|
netdev->hw_features &= ~NETIF_F_RXCSUM;
|
|
}
|
|
|
|
netdev->ethtool_ops = &ops;
|
|
netif_set_gso_max_size(netdev, RTL_LIMITED_TSO_SIZE);
|
|
|
|
/* MTU range: 68 - 1500 or 9194 */
|
|
netdev->min_mtu = ETH_MIN_MTU;
|
|
switch (tp->version) {
|
|
case RTL_VER_01:
|
|
case RTL_VER_02:
|
|
netdev->max_mtu = ETH_DATA_LEN;
|
|
break;
|
|
default:
|
|
netdev->max_mtu = RTL8153_MAX_MTU;
|
|
break;
|
|
}
|
|
|
|
tp->mii.dev = netdev;
|
|
tp->mii.mdio_read = read_mii_word;
|
|
tp->mii.mdio_write = write_mii_word;
|
|
tp->mii.phy_id_mask = 0x3f;
|
|
tp->mii.reg_num_mask = 0x1f;
|
|
tp->mii.phy_id = R8152_PHY_ID;
|
|
|
|
switch (udev->speed) {
|
|
case USB_SPEED_SUPER:
|
|
case USB_SPEED_SUPER_PLUS:
|
|
tp->coalesce = COALESCE_SUPER;
|
|
break;
|
|
case USB_SPEED_HIGH:
|
|
tp->coalesce = COALESCE_HIGH;
|
|
break;
|
|
default:
|
|
tp->coalesce = COALESCE_SLOW;
|
|
break;
|
|
}
|
|
|
|
tp->autoneg = AUTONEG_ENABLE;
|
|
tp->speed = tp->mii.supports_gmii ? SPEED_1000 : SPEED_100;
|
|
tp->duplex = DUPLEX_FULL;
|
|
|
|
intf->needs_remote_wakeup = 1;
|
|
|
|
tp->rtl_ops.init(tp);
|
|
queue_delayed_work(system_long_wq, &tp->hw_phy_work, 0);
|
|
set_ethernet_addr(tp);
|
|
|
|
usb_set_intfdata(intf, tp);
|
|
netif_napi_add(netdev, &tp->napi, r8152_poll, RTL8152_NAPI_WEIGHT);
|
|
|
|
ret = register_netdev(netdev);
|
|
if (ret != 0) {
|
|
netif_err(tp, probe, netdev, "couldn't register the device\n");
|
|
goto out1;
|
|
}
|
|
|
|
if (!rtl_can_wakeup(tp))
|
|
__rtl_set_wol(tp, 0);
|
|
|
|
tp->saved_wolopts = __rtl_get_wol(tp);
|
|
if (tp->saved_wolopts)
|
|
device_set_wakeup_enable(&udev->dev, true);
|
|
else
|
|
device_set_wakeup_enable(&udev->dev, false);
|
|
|
|
netif_info(tp, probe, netdev, "%s\n", DRIVER_VERSION);
|
|
|
|
return 0;
|
|
|
|
out1:
|
|
netif_napi_del(&tp->napi);
|
|
usb_set_intfdata(intf, NULL);
|
|
out:
|
|
free_netdev(netdev);
|
|
return ret;
|
|
}
|
|
|
|
static void rtl8152_disconnect(struct usb_interface *intf)
|
|
{
|
|
struct r8152 *tp = usb_get_intfdata(intf);
|
|
|
|
usb_set_intfdata(intf, NULL);
|
|
if (tp) {
|
|
struct usb_device *udev = tp->udev;
|
|
|
|
if (udev->state == USB_STATE_NOTATTACHED)
|
|
set_bit(RTL8152_UNPLUG, &tp->flags);
|
|
|
|
netif_napi_del(&tp->napi);
|
|
unregister_netdev(tp->netdev);
|
|
cancel_delayed_work_sync(&tp->hw_phy_work);
|
|
tp->rtl_ops.unload(tp);
|
|
free_netdev(tp->netdev);
|
|
}
|
|
}
|
|
|
|
#define REALTEK_USB_DEVICE(vend, prod) \
|
|
.match_flags = USB_DEVICE_ID_MATCH_DEVICE | \
|
|
USB_DEVICE_ID_MATCH_INT_CLASS, \
|
|
.idVendor = (vend), \
|
|
.idProduct = (prod), \
|
|
.bInterfaceClass = USB_CLASS_VENDOR_SPEC \
|
|
}, \
|
|
{ \
|
|
.match_flags = USB_DEVICE_ID_MATCH_INT_INFO | \
|
|
USB_DEVICE_ID_MATCH_DEVICE, \
|
|
.idVendor = (vend), \
|
|
.idProduct = (prod), \
|
|
.bInterfaceClass = USB_CLASS_COMM, \
|
|
.bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, \
|
|
.bInterfaceProtocol = USB_CDC_PROTO_NONE
|
|
|
|
/* table of devices that work with this driver */
|
|
static struct usb_device_id rtl8152_table[] = {
|
|
{REALTEK_USB_DEVICE(VENDOR_ID_REALTEK, 0x8152)},
|
|
{REALTEK_USB_DEVICE(VENDOR_ID_REALTEK, 0x8153)},
|
|
{REALTEK_USB_DEVICE(VENDOR_ID_MICROSOFT, 0x07ab)},
|
|
{REALTEK_USB_DEVICE(VENDOR_ID_MICROSOFT, 0x07c6)},
|
|
{REALTEK_USB_DEVICE(VENDOR_ID_SAMSUNG, 0xa101)},
|
|
{REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0x304f)},
|
|
{REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0x3062)},
|
|
{REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0x3069)},
|
|
{REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0x7205)},
|
|
{REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0x720c)},
|
|
{REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0x7214)},
|
|
{REALTEK_USB_DEVICE(VENDOR_ID_NVIDIA, 0x09ff)},
|
|
{}
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(usb, rtl8152_table);
|
|
|
|
static struct usb_driver rtl8152_driver = {
|
|
.name = MODULENAME,
|
|
.id_table = rtl8152_table,
|
|
.probe = rtl8152_probe,
|
|
.disconnect = rtl8152_disconnect,
|
|
.suspend = rtl8152_suspend,
|
|
.resume = rtl8152_resume,
|
|
.reset_resume = rtl8152_reset_resume,
|
|
.pre_reset = rtl8152_pre_reset,
|
|
.post_reset = rtl8152_post_reset,
|
|
.supports_autosuspend = 1,
|
|
.disable_hub_initiated_lpm = 1,
|
|
};
|
|
|
|
module_usb_driver(rtl8152_driver);
|
|
|
|
MODULE_AUTHOR(DRIVER_AUTHOR);
|
|
MODULE_DESCRIPTION(DRIVER_DESC);
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_VERSION(DRIVER_VERSION);
|