hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 1 | /* |
hayeswang | c7de7de | 2014-01-15 10:42:16 +0800 | [diff] [blame] | 2 | * Copyright (c) 2014 Realtek Semiconductor Corp. All rights reserved. |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 3 | * |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public License |
| 6 | * version 2 as published by the Free Software Foundation. |
| 7 | * |
| 8 | */ |
| 9 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 10 | #include <linux/signal.h> |
| 11 | #include <linux/slab.h> |
| 12 | #include <linux/module.h> |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 13 | #include <linux/netdevice.h> |
| 14 | #include <linux/etherdevice.h> |
| 15 | #include <linux/mii.h> |
| 16 | #include <linux/ethtool.h> |
| 17 | #include <linux/usb.h> |
| 18 | #include <linux/crc32.h> |
| 19 | #include <linux/if_vlan.h> |
| 20 | #include <linux/uaccess.h> |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 21 | #include <linux/list.h> |
hayeswang | 5bd2388 | 2013-08-14 20:54:39 +0800 | [diff] [blame] | 22 | #include <linux/ip.h> |
| 23 | #include <linux/ipv6.h> |
hayeswang | 6128d1bb | 2014-03-07 11:04:40 +0800 | [diff] [blame] | 24 | #include <net/ip6_checksum.h> |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 25 | |
| 26 | /* Version Information */ |
hayeswang | 204c870 | 2014-10-01 13:25:10 +0800 | [diff] [blame] | 27 | #define DRIVER_VERSION "v1.06.1 (2014/10/01)" |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 28 | #define DRIVER_AUTHOR "Realtek linux nic maintainers <nic_swsd@realtek.com>" |
hayeswang | 44d942a | 2014-01-15 10:42:14 +0800 | [diff] [blame] | 29 | #define DRIVER_DESC "Realtek RTL8152/RTL8153 Based USB Ethernet Adapters" |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 30 | #define MODULENAME "r8152" |
| 31 | |
| 32 | #define R8152_PHY_ID 32 |
| 33 | |
| 34 | #define PLA_IDR 0xc000 |
| 35 | #define PLA_RCR 0xc010 |
| 36 | #define PLA_RMS 0xc016 |
| 37 | #define PLA_RXFIFO_CTRL0 0xc0a0 |
| 38 | #define PLA_RXFIFO_CTRL1 0xc0a4 |
| 39 | #define PLA_RXFIFO_CTRL2 0xc0a8 |
| 40 | #define PLA_FMC 0xc0b4 |
| 41 | #define PLA_CFG_WOL 0xc0b6 |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 42 | #define PLA_TEREDO_CFG 0xc0bc |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 43 | #define PLA_MAR 0xcd00 |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 44 | #define PLA_BACKUP 0xd000 |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 45 | #define PAL_BDC_CR 0xd1a0 |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 46 | #define PLA_TEREDO_TIMER 0xd2cc |
| 47 | #define PLA_REALWOW_TIMER 0xd2e8 |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 48 | #define PLA_LEDSEL 0xdd90 |
| 49 | #define PLA_LED_FEATURE 0xdd92 |
| 50 | #define PLA_PHYAR 0xde00 |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 51 | #define PLA_BOOT_CTRL 0xe004 |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 52 | #define PLA_GPHY_INTR_IMR 0xe022 |
| 53 | #define PLA_EEE_CR 0xe040 |
| 54 | #define PLA_EEEP_CR 0xe080 |
| 55 | #define PLA_MAC_PWR_CTRL 0xe0c0 |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 56 | #define PLA_MAC_PWR_CTRL2 0xe0ca |
| 57 | #define PLA_MAC_PWR_CTRL3 0xe0cc |
| 58 | #define PLA_MAC_PWR_CTRL4 0xe0ce |
| 59 | #define PLA_WDT6_CTRL 0xe428 |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 60 | #define PLA_TCR0 0xe610 |
| 61 | #define PLA_TCR1 0xe612 |
hayeswang | 69b4b7a | 2014-07-10 10:58:54 +0800 | [diff] [blame] | 62 | #define PLA_MTPS 0xe615 |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 63 | #define PLA_TXFIFO_CTRL 0xe618 |
hayeswang | 4f1d4d5 | 2014-03-11 16:24:19 +0800 | [diff] [blame] | 64 | #define PLA_RSTTALLY 0xe800 |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 65 | #define PLA_CR 0xe813 |
| 66 | #define PLA_CRWECR 0xe81c |
hayeswang | 21ff2e8 | 2014-02-18 21:49:06 +0800 | [diff] [blame] | 67 | #define PLA_CONFIG12 0xe81e /* CONFIG1, CONFIG2 */ |
| 68 | #define PLA_CONFIG34 0xe820 /* CONFIG3, CONFIG4 */ |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 69 | #define PLA_CONFIG5 0xe822 |
| 70 | #define PLA_PHY_PWR 0xe84c |
| 71 | #define PLA_OOB_CTRL 0xe84f |
| 72 | #define PLA_CPCR 0xe854 |
| 73 | #define PLA_MISC_0 0xe858 |
| 74 | #define PLA_MISC_1 0xe85a |
| 75 | #define PLA_OCP_GPHY_BASE 0xe86c |
hayeswang | 4f1d4d5 | 2014-03-11 16:24:19 +0800 | [diff] [blame] | 76 | #define PLA_TALLYCNT 0xe890 |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 77 | #define PLA_SFF_STS_7 0xe8de |
| 78 | #define PLA_PHYSTATUS 0xe908 |
| 79 | #define PLA_BP_BA 0xfc26 |
| 80 | #define PLA_BP_0 0xfc28 |
| 81 | #define PLA_BP_1 0xfc2a |
| 82 | #define PLA_BP_2 0xfc2c |
| 83 | #define PLA_BP_3 0xfc2e |
| 84 | #define PLA_BP_4 0xfc30 |
| 85 | #define PLA_BP_5 0xfc32 |
| 86 | #define PLA_BP_6 0xfc34 |
| 87 | #define PLA_BP_7 0xfc36 |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 88 | #define PLA_BP_EN 0xfc38 |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 89 | |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 90 | #define USB_U2P3_CTRL 0xb460 |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 91 | #define USB_DEV_STAT 0xb808 |
| 92 | #define USB_USB_CTRL 0xd406 |
| 93 | #define USB_PHY_CTRL 0xd408 |
| 94 | #define USB_TX_AGG 0xd40a |
| 95 | #define USB_RX_BUF_TH 0xd40c |
| 96 | #define USB_USB_TIMER 0xd428 |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 97 | #define USB_RX_EARLY_AGG 0xd42c |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 98 | #define USB_PM_CTRL_STATUS 0xd432 |
| 99 | #define USB_TX_DMA 0xd434 |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 100 | #define USB_TOLERANCE 0xd490 |
| 101 | #define USB_LPM_CTRL 0xd41a |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 102 | #define USB_UPS_CTRL 0xd800 |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 103 | #define USB_MISC_0 0xd81a |
| 104 | #define USB_POWER_CUT 0xd80a |
| 105 | #define USB_AFE_CTRL2 0xd824 |
| 106 | #define USB_WDT11_CTRL 0xe43c |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 107 | #define USB_BP_BA 0xfc26 |
| 108 | #define USB_BP_0 0xfc28 |
| 109 | #define USB_BP_1 0xfc2a |
| 110 | #define USB_BP_2 0xfc2c |
| 111 | #define USB_BP_3 0xfc2e |
| 112 | #define USB_BP_4 0xfc30 |
| 113 | #define USB_BP_5 0xfc32 |
| 114 | #define USB_BP_6 0xfc34 |
| 115 | #define USB_BP_7 0xfc36 |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 116 | #define USB_BP_EN 0xfc38 |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 117 | |
| 118 | /* OCP Registers */ |
| 119 | #define OCP_ALDPS_CONFIG 0x2010 |
| 120 | #define OCP_EEE_CONFIG1 0x2080 |
| 121 | #define OCP_EEE_CONFIG2 0x2092 |
| 122 | #define OCP_EEE_CONFIG3 0x2094 |
hayeswang | ac244d3 | 2014-01-02 11:22:40 +0800 | [diff] [blame] | 123 | #define OCP_BASE_MII 0xa400 |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 124 | #define OCP_EEE_AR 0xa41a |
| 125 | #define OCP_EEE_DATA 0xa41c |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 126 | #define OCP_PHY_STATUS 0xa420 |
| 127 | #define OCP_POWER_CFG 0xa430 |
| 128 | #define OCP_EEE_CFG 0xa432 |
| 129 | #define OCP_SRAM_ADDR 0xa436 |
| 130 | #define OCP_SRAM_DATA 0xa438 |
| 131 | #define OCP_DOWN_SPEED 0xa442 |
| 132 | #define OCP_EEE_CFG2 0xa5d0 |
| 133 | #define OCP_ADC_CFG 0xbc06 |
| 134 | |
| 135 | /* SRAM Register */ |
| 136 | #define SRAM_LPF_CFG 0x8012 |
| 137 | #define SRAM_10M_AMP1 0x8080 |
| 138 | #define SRAM_10M_AMP2 0x8082 |
| 139 | #define SRAM_IMPEDANCE 0x8084 |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 140 | |
| 141 | /* PLA_RCR */ |
| 142 | #define RCR_AAP 0x00000001 |
| 143 | #define RCR_APM 0x00000002 |
| 144 | #define RCR_AM 0x00000004 |
| 145 | #define RCR_AB 0x00000008 |
| 146 | #define RCR_ACPT_ALL (RCR_AAP | RCR_APM | RCR_AM | RCR_AB) |
| 147 | |
| 148 | /* PLA_RXFIFO_CTRL0 */ |
| 149 | #define RXFIFO_THR1_NORMAL 0x00080002 |
| 150 | #define RXFIFO_THR1_OOB 0x01800003 |
| 151 | |
| 152 | /* PLA_RXFIFO_CTRL1 */ |
| 153 | #define RXFIFO_THR2_FULL 0x00000060 |
| 154 | #define RXFIFO_THR2_HIGH 0x00000038 |
| 155 | #define RXFIFO_THR2_OOB 0x0000004a |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 156 | #define RXFIFO_THR2_NORMAL 0x00a0 |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 157 | |
| 158 | /* PLA_RXFIFO_CTRL2 */ |
| 159 | #define RXFIFO_THR3_FULL 0x00000078 |
| 160 | #define RXFIFO_THR3_HIGH 0x00000048 |
| 161 | #define RXFIFO_THR3_OOB 0x0000005a |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 162 | #define RXFIFO_THR3_NORMAL 0x0110 |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 163 | |
| 164 | /* PLA_TXFIFO_CTRL */ |
| 165 | #define TXFIFO_THR_NORMAL 0x00400008 |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 166 | #define TXFIFO_THR_NORMAL2 0x01000008 |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 167 | |
| 168 | /* PLA_FMC */ |
| 169 | #define FMC_FCR_MCU_EN 0x0001 |
| 170 | |
| 171 | /* PLA_EEEP_CR */ |
| 172 | #define EEEP_CR_EEEP_TX 0x0002 |
| 173 | |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 174 | /* PLA_WDT6_CTRL */ |
| 175 | #define WDT6_SET_MODE 0x0010 |
| 176 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 177 | /* PLA_TCR0 */ |
| 178 | #define TCR0_TX_EMPTY 0x0800 |
| 179 | #define TCR0_AUTO_FIFO 0x0080 |
| 180 | |
| 181 | /* PLA_TCR1 */ |
| 182 | #define VERSION_MASK 0x7cf0 |
| 183 | |
hayeswang | 69b4b7a | 2014-07-10 10:58:54 +0800 | [diff] [blame] | 184 | /* PLA_MTPS */ |
| 185 | #define MTPS_JUMBO (12 * 1024 / 64) |
| 186 | #define MTPS_DEFAULT (6 * 1024 / 64) |
| 187 | |
hayeswang | 4f1d4d5 | 2014-03-11 16:24:19 +0800 | [diff] [blame] | 188 | /* PLA_RSTTALLY */ |
| 189 | #define TALLY_RESET 0x0001 |
| 190 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 191 | /* PLA_CR */ |
| 192 | #define CR_RST 0x10 |
| 193 | #define CR_RE 0x08 |
| 194 | #define CR_TE 0x04 |
| 195 | |
| 196 | /* PLA_CRWECR */ |
| 197 | #define CRWECR_NORAML 0x00 |
| 198 | #define CRWECR_CONFIG 0xc0 |
| 199 | |
| 200 | /* PLA_OOB_CTRL */ |
| 201 | #define NOW_IS_OOB 0x80 |
| 202 | #define TXFIFO_EMPTY 0x20 |
| 203 | #define RXFIFO_EMPTY 0x10 |
| 204 | #define LINK_LIST_READY 0x02 |
| 205 | #define DIS_MCU_CLROOB 0x01 |
| 206 | #define FIFO_EMPTY (TXFIFO_EMPTY | RXFIFO_EMPTY) |
| 207 | |
| 208 | /* PLA_MISC_1 */ |
| 209 | #define RXDY_GATED_EN 0x0008 |
| 210 | |
| 211 | /* PLA_SFF_STS_7 */ |
| 212 | #define RE_INIT_LL 0x8000 |
| 213 | #define MCU_BORW_EN 0x4000 |
| 214 | |
| 215 | /* PLA_CPCR */ |
| 216 | #define CPCR_RX_VLAN 0x0040 |
| 217 | |
| 218 | /* PLA_CFG_WOL */ |
| 219 | #define MAGIC_EN 0x0001 |
| 220 | |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 221 | /* PLA_TEREDO_CFG */ |
| 222 | #define TEREDO_SEL 0x8000 |
| 223 | #define TEREDO_WAKE_MASK 0x7f00 |
| 224 | #define TEREDO_RS_EVENT_MASK 0x00fe |
| 225 | #define OOB_TEREDO_EN 0x0001 |
| 226 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 227 | /* PAL_BDC_CR */ |
| 228 | #define ALDPS_PROXY_MODE 0x0001 |
| 229 | |
hayeswang | 21ff2e8 | 2014-02-18 21:49:06 +0800 | [diff] [blame] | 230 | /* PLA_CONFIG34 */ |
| 231 | #define LINK_ON_WAKE_EN 0x0010 |
| 232 | #define LINK_OFF_WAKE_EN 0x0008 |
| 233 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 234 | /* PLA_CONFIG5 */ |
hayeswang | 21ff2e8 | 2014-02-18 21:49:06 +0800 | [diff] [blame] | 235 | #define BWF_EN 0x0040 |
| 236 | #define MWF_EN 0x0020 |
| 237 | #define UWF_EN 0x0010 |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 238 | #define LAN_WAKE_EN 0x0002 |
| 239 | |
| 240 | /* PLA_LED_FEATURE */ |
| 241 | #define LED_MODE_MASK 0x0700 |
| 242 | |
| 243 | /* PLA_PHY_PWR */ |
| 244 | #define TX_10M_IDLE_EN 0x0080 |
| 245 | #define PFM_PWM_SWITCH 0x0040 |
| 246 | |
| 247 | /* PLA_MAC_PWR_CTRL */ |
| 248 | #define D3_CLK_GATED_EN 0x00004000 |
| 249 | #define MCU_CLK_RATIO 0x07010f07 |
| 250 | #define MCU_CLK_RATIO_MASK 0x0f0f0f0f |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 251 | #define ALDPS_SPDWN_RATIO 0x0f87 |
| 252 | |
| 253 | /* PLA_MAC_PWR_CTRL2 */ |
| 254 | #define EEE_SPDWN_RATIO 0x8007 |
| 255 | |
| 256 | /* PLA_MAC_PWR_CTRL3 */ |
| 257 | #define PKT_AVAIL_SPDWN_EN 0x0100 |
| 258 | #define SUSPEND_SPDWN_EN 0x0004 |
| 259 | #define U1U2_SPDWN_EN 0x0002 |
| 260 | #define L1_SPDWN_EN 0x0001 |
| 261 | |
| 262 | /* PLA_MAC_PWR_CTRL4 */ |
| 263 | #define PWRSAVE_SPDWN_EN 0x1000 |
| 264 | #define RXDV_SPDWN_EN 0x0800 |
| 265 | #define TX10MIDLE_EN 0x0100 |
| 266 | #define TP100_SPDWN_EN 0x0020 |
| 267 | #define TP500_SPDWN_EN 0x0010 |
| 268 | #define TP1000_SPDWN_EN 0x0008 |
| 269 | #define EEE_SPDWN_EN 0x0001 |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 270 | |
| 271 | /* PLA_GPHY_INTR_IMR */ |
| 272 | #define GPHY_STS_MSK 0x0001 |
| 273 | #define SPEED_DOWN_MSK 0x0002 |
| 274 | #define SPDWN_RXDV_MSK 0x0004 |
| 275 | #define SPDWN_LINKCHG_MSK 0x0008 |
| 276 | |
| 277 | /* PLA_PHYAR */ |
| 278 | #define PHYAR_FLAG 0x80000000 |
| 279 | |
| 280 | /* PLA_EEE_CR */ |
| 281 | #define EEE_RX_EN 0x0001 |
| 282 | #define EEE_TX_EN 0x0002 |
| 283 | |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 284 | /* PLA_BOOT_CTRL */ |
| 285 | #define AUTOLOAD_DONE 0x0002 |
| 286 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 287 | /* USB_DEV_STAT */ |
| 288 | #define STAT_SPEED_MASK 0x0006 |
| 289 | #define STAT_SPEED_HIGH 0x0000 |
hayeswang | a3cc465 | 2014-07-24 16:37:43 +0800 | [diff] [blame] | 290 | #define STAT_SPEED_FULL 0x0002 |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 291 | |
| 292 | /* USB_TX_AGG */ |
| 293 | #define TX_AGG_MAX_THRESHOLD 0x03 |
| 294 | |
| 295 | /* USB_RX_BUF_TH */ |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 296 | #define RX_THR_SUPPER 0x0c350180 |
hayeswang | 8e1f51b | 2014-01-02 11:22:41 +0800 | [diff] [blame] | 297 | #define RX_THR_HIGH 0x7a120180 |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 298 | #define RX_THR_SLOW 0xffff0180 |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 299 | |
| 300 | /* USB_TX_DMA */ |
| 301 | #define TEST_MODE_DISABLE 0x00000001 |
| 302 | #define TX_SIZE_ADJUST1 0x00000100 |
| 303 | |
| 304 | /* USB_UPS_CTRL */ |
| 305 | #define POWER_CUT 0x0100 |
| 306 | |
| 307 | /* USB_PM_CTRL_STATUS */ |
hayeswang | 8e1f51b | 2014-01-02 11:22:41 +0800 | [diff] [blame] | 308 | #define RESUME_INDICATE 0x0001 |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 309 | |
| 310 | /* USB_USB_CTRL */ |
| 311 | #define RX_AGG_DISABLE 0x0010 |
| 312 | |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 313 | /* USB_U2P3_CTRL */ |
| 314 | #define U2P3_ENABLE 0x0001 |
| 315 | |
| 316 | /* USB_POWER_CUT */ |
| 317 | #define PWR_EN 0x0001 |
| 318 | #define PHASE2_EN 0x0008 |
| 319 | |
| 320 | /* USB_MISC_0 */ |
| 321 | #define PCUT_STATUS 0x0001 |
| 322 | |
| 323 | /* USB_RX_EARLY_AGG */ |
| 324 | #define EARLY_AGG_SUPPER 0x0e832981 |
| 325 | #define EARLY_AGG_HIGH 0x0e837a12 |
| 326 | #define EARLY_AGG_SLOW 0x0e83ffff |
| 327 | |
| 328 | /* USB_WDT11_CTRL */ |
| 329 | #define TIMER11_EN 0x0001 |
| 330 | |
| 331 | /* USB_LPM_CTRL */ |
| 332 | #define LPM_TIMER_MASK 0x0c |
| 333 | #define LPM_TIMER_500MS 0x04 /* 500 ms */ |
| 334 | #define LPM_TIMER_500US 0x0c /* 500 us */ |
| 335 | |
| 336 | /* USB_AFE_CTRL2 */ |
| 337 | #define SEN_VAL_MASK 0xf800 |
| 338 | #define SEN_VAL_NORMAL 0xa000 |
| 339 | #define SEL_RXIDLE 0x0100 |
| 340 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 341 | /* OCP_ALDPS_CONFIG */ |
| 342 | #define ENPWRSAVE 0x8000 |
| 343 | #define ENPDNPS 0x0200 |
| 344 | #define LINKENA 0x0100 |
| 345 | #define DIS_SDSAVE 0x0010 |
| 346 | |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 347 | /* OCP_PHY_STATUS */ |
| 348 | #define PHY_STAT_MASK 0x0007 |
| 349 | #define PHY_STAT_LAN_ON 3 |
| 350 | #define PHY_STAT_PWRDN 5 |
| 351 | |
| 352 | /* OCP_POWER_CFG */ |
| 353 | #define EEE_CLKDIV_EN 0x8000 |
| 354 | #define EN_ALDPS 0x0004 |
| 355 | #define EN_10M_PLLOFF 0x0001 |
| 356 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 357 | /* OCP_EEE_CONFIG1 */ |
| 358 | #define RG_TXLPI_MSK_HFDUP 0x8000 |
| 359 | #define RG_MATCLR_EN 0x4000 |
| 360 | #define EEE_10_CAP 0x2000 |
| 361 | #define EEE_NWAY_EN 0x1000 |
| 362 | #define TX_QUIET_EN 0x0200 |
| 363 | #define RX_QUIET_EN 0x0100 |
| 364 | #define SDRISETIME 0x0010 /* bit 4 ~ 6 */ |
| 365 | #define RG_RXLPI_MSK_HFDUP 0x0008 |
| 366 | #define SDFALLTIME 0x0007 /* bit 0 ~ 2 */ |
| 367 | |
| 368 | /* OCP_EEE_CONFIG2 */ |
| 369 | #define RG_LPIHYS_NUM 0x7000 /* bit 12 ~ 15 */ |
| 370 | #define RG_DACQUIET_EN 0x0400 |
| 371 | #define RG_LDVQUIET_EN 0x0200 |
| 372 | #define RG_CKRSEL 0x0020 |
| 373 | #define RG_EEEPRG_EN 0x0010 |
| 374 | |
| 375 | /* OCP_EEE_CONFIG3 */ |
| 376 | #define FST_SNR_EYE_R 0x1500 /* bit 7 ~ 15 */ |
| 377 | #define RG_LFS_SEL 0x0060 /* bit 6 ~ 5 */ |
| 378 | #define MSK_PH 0x0006 /* bit 0 ~ 3 */ |
| 379 | |
| 380 | /* OCP_EEE_AR */ |
| 381 | /* bit[15:14] function */ |
| 382 | #define FUN_ADDR 0x0000 |
| 383 | #define FUN_DATA 0x4000 |
| 384 | /* bit[4:0] device addr */ |
| 385 | #define DEVICE_ADDR 0x0007 |
| 386 | |
| 387 | /* OCP_EEE_DATA */ |
| 388 | #define EEE_ADDR 0x003C |
| 389 | #define EEE_DATA 0x0002 |
| 390 | |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 391 | /* OCP_EEE_CFG */ |
| 392 | #define CTAP_SHORT_EN 0x0040 |
| 393 | #define EEE10_EN 0x0010 |
| 394 | |
| 395 | /* OCP_DOWN_SPEED */ |
| 396 | #define EN_10M_BGOFF 0x0080 |
| 397 | |
| 398 | /* OCP_EEE_CFG2 */ |
| 399 | #define MY1000_EEE 0x0004 |
| 400 | #define MY100_EEE 0x0002 |
| 401 | |
| 402 | /* OCP_ADC_CFG */ |
| 403 | #define CKADSEL_L 0x0100 |
| 404 | #define ADC_EN 0x0080 |
| 405 | #define EN_EMI_L 0x0040 |
| 406 | |
| 407 | /* SRAM_LPF_CFG */ |
| 408 | #define LPF_AUTO_TUNE 0x8000 |
| 409 | |
| 410 | /* SRAM_10M_AMP1 */ |
| 411 | #define GDAC_IB_UPALL 0x0008 |
| 412 | |
| 413 | /* SRAM_10M_AMP2 */ |
| 414 | #define AMP_DN 0x0200 |
| 415 | |
| 416 | /* SRAM_IMPEDANCE */ |
| 417 | #define RX_DRIVING_MASK 0x6000 |
| 418 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 419 | enum rtl_register_content { |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 420 | _1000bps = 0x10, |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 421 | _100bps = 0x08, |
| 422 | _10bps = 0x04, |
| 423 | LINK_STATUS = 0x02, |
| 424 | FULL_DUP = 0x01, |
| 425 | }; |
| 426 | |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 427 | #define RTL8152_MAX_TX 10 |
| 428 | #define RTL8152_MAX_RX 10 |
hayeswang | 40a8291 | 2013-08-14 20:54:40 +0800 | [diff] [blame] | 429 | #define INTBUFSIZE 2 |
hayeswang | 8e1f51b | 2014-01-02 11:22:41 +0800 | [diff] [blame] | 430 | #define CRC_SIZE 4 |
| 431 | #define TX_ALIGN 4 |
| 432 | #define RX_ALIGN 8 |
hayeswang | 40a8291 | 2013-08-14 20:54:40 +0800 | [diff] [blame] | 433 | |
| 434 | #define INTR_LINK 0x0004 |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 435 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 436 | #define RTL8152_REQT_READ 0xc0 |
| 437 | #define RTL8152_REQT_WRITE 0x40 |
| 438 | #define RTL8152_REQ_GET_REGS 0x05 |
| 439 | #define RTL8152_REQ_SET_REGS 0x05 |
| 440 | |
| 441 | #define BYTE_EN_DWORD 0xff |
| 442 | #define BYTE_EN_WORD 0x33 |
| 443 | #define BYTE_EN_BYTE 0x11 |
| 444 | #define BYTE_EN_SIX_BYTES 0x3f |
| 445 | #define BYTE_EN_START_MASK 0x0f |
| 446 | #define BYTE_EN_END_MASK 0xf0 |
| 447 | |
hayeswang | 69b4b7a | 2014-07-10 10:58:54 +0800 | [diff] [blame] | 448 | #define RTL8153_MAX_PACKET 9216 /* 9K */ |
| 449 | #define RTL8153_MAX_MTU (RTL8153_MAX_PACKET - VLAN_ETH_HLEN - VLAN_HLEN) |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 450 | #define RTL8152_RMS (VLAN_ETH_FRAME_LEN + VLAN_HLEN) |
hayeswang | 69b4b7a | 2014-07-10 10:58:54 +0800 | [diff] [blame] | 451 | #define RTL8153_RMS RTL8153_MAX_PACKET |
hayeswang | b812540 | 2014-07-03 11:55:48 +0800 | [diff] [blame] | 452 | #define RTL8152_TX_TIMEOUT (5 * HZ) |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 453 | |
| 454 | /* rtl8152 flags */ |
| 455 | enum rtl8152_flags { |
| 456 | RTL8152_UNPLUG = 0, |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 457 | RTL8152_SET_RX_MODE, |
hayeswang | 40a8291 | 2013-08-14 20:54:40 +0800 | [diff] [blame] | 458 | WORK_ENABLE, |
| 459 | RTL8152_LINK_CHG, |
hayeswang | 9a4be1b | 2014-02-18 21:49:07 +0800 | [diff] [blame] | 460 | SELECTIVE_SUSPEND, |
hayeswang | aa66a5f | 2014-02-18 21:49:04 +0800 | [diff] [blame] | 461 | PHY_RESET, |
hayeswang | 0c3121f | 2014-03-07 11:04:36 +0800 | [diff] [blame] | 462 | SCHEDULE_TASKLET, |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 463 | }; |
| 464 | |
| 465 | /* Define these values to match your device */ |
| 466 | #define VENDOR_ID_REALTEK 0x0bda |
| 467 | #define PRODUCT_ID_RTL8152 0x8152 |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 468 | #define PRODUCT_ID_RTL8153 0x8153 |
| 469 | |
| 470 | #define VENDOR_ID_SAMSUNG 0x04e8 |
| 471 | #define PRODUCT_ID_SAMSUNG 0xa101 |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 472 | |
| 473 | #define MCU_TYPE_PLA 0x0100 |
| 474 | #define MCU_TYPE_USB 0x0000 |
| 475 | |
hayeswang | c7de7de | 2014-01-15 10:42:16 +0800 | [diff] [blame] | 476 | #define REALTEK_USB_DEVICE(vend, prod) \ |
| 477 | USB_DEVICE_INTERFACE_CLASS(vend, prod, USB_CLASS_VENDOR_SPEC) |
| 478 | |
hayeswang | 4f1d4d5 | 2014-03-11 16:24:19 +0800 | [diff] [blame] | 479 | struct tally_counter { |
| 480 | __le64 tx_packets; |
| 481 | __le64 rx_packets; |
| 482 | __le64 tx_errors; |
| 483 | __le32 rx_errors; |
| 484 | __le16 rx_missed; |
| 485 | __le16 align_errors; |
| 486 | __le32 tx_one_collision; |
| 487 | __le32 tx_multi_collision; |
| 488 | __le64 rx_unicast; |
| 489 | __le64 rx_broadcast; |
| 490 | __le32 rx_multicast; |
| 491 | __le16 tx_aborted; |
| 492 | __le16 tx_underun; |
| 493 | }; |
| 494 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 495 | struct rx_desc { |
hayeswang | 500b6d7 | 2013-11-20 17:30:57 +0800 | [diff] [blame] | 496 | __le32 opts1; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 497 | #define RX_LEN_MASK 0x7fff |
hayeswang | 565cab0 | 2014-03-07 11:04:38 +0800 | [diff] [blame] | 498 | |
hayeswang | 500b6d7 | 2013-11-20 17:30:57 +0800 | [diff] [blame] | 499 | __le32 opts2; |
hayeswang | 565cab0 | 2014-03-07 11:04:38 +0800 | [diff] [blame] | 500 | #define RD_UDP_CS (1 << 23) |
| 501 | #define RD_TCP_CS (1 << 22) |
hayeswang | 6128d1bb | 2014-03-07 11:04:40 +0800 | [diff] [blame] | 502 | #define RD_IPV6_CS (1 << 20) |
hayeswang | 565cab0 | 2014-03-07 11:04:38 +0800 | [diff] [blame] | 503 | #define RD_IPV4_CS (1 << 19) |
| 504 | |
hayeswang | 500b6d7 | 2013-11-20 17:30:57 +0800 | [diff] [blame] | 505 | __le32 opts3; |
hayeswang | 565cab0 | 2014-03-07 11:04:38 +0800 | [diff] [blame] | 506 | #define IPF (1 << 23) /* IP checksum fail */ |
| 507 | #define UDPF (1 << 22) /* UDP checksum fail */ |
| 508 | #define TCPF (1 << 21) /* TCP checksum fail */ |
| 509 | |
hayeswang | 500b6d7 | 2013-11-20 17:30:57 +0800 | [diff] [blame] | 510 | __le32 opts4; |
| 511 | __le32 opts5; |
| 512 | __le32 opts6; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 513 | }; |
| 514 | |
| 515 | struct tx_desc { |
hayeswang | 500b6d7 | 2013-11-20 17:30:57 +0800 | [diff] [blame] | 516 | __le32 opts1; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 517 | #define TX_FS (1 << 31) /* First segment of a packet */ |
| 518 | #define TX_LS (1 << 30) /* Final segment of a packet */ |
hayeswang | 60c8907 | 2014-03-07 11:04:39 +0800 | [diff] [blame] | 519 | #define GTSENDV4 (1 << 28) |
hayeswang | 6128d1bb | 2014-03-07 11:04:40 +0800 | [diff] [blame] | 520 | #define GTSENDV6 (1 << 27) |
hayeswang | 60c8907 | 2014-03-07 11:04:39 +0800 | [diff] [blame] | 521 | #define GTTCPHO_SHIFT 18 |
hayeswang | 6128d1bb | 2014-03-07 11:04:40 +0800 | [diff] [blame] | 522 | #define GTTCPHO_MAX 0x7fU |
hayeswang | 60c8907 | 2014-03-07 11:04:39 +0800 | [diff] [blame] | 523 | #define TX_LEN_MAX 0x3ffffU |
hayeswang | 5bd2388 | 2013-08-14 20:54:39 +0800 | [diff] [blame] | 524 | |
hayeswang | 500b6d7 | 2013-11-20 17:30:57 +0800 | [diff] [blame] | 525 | __le32 opts2; |
hayeswang | 5bd2388 | 2013-08-14 20:54:39 +0800 | [diff] [blame] | 526 | #define UDP_CS (1 << 31) /* Calculate UDP/IP checksum */ |
| 527 | #define TCP_CS (1 << 30) /* Calculate TCP/IP checksum */ |
| 528 | #define IPV4_CS (1 << 29) /* Calculate IPv4 checksum */ |
| 529 | #define IPV6_CS (1 << 28) /* Calculate IPv6 checksum */ |
hayeswang | 60c8907 | 2014-03-07 11:04:39 +0800 | [diff] [blame] | 530 | #define MSS_SHIFT 17 |
| 531 | #define MSS_MAX 0x7ffU |
| 532 | #define TCPHO_SHIFT 17 |
hayeswang | 6128d1bb | 2014-03-07 11:04:40 +0800 | [diff] [blame] | 533 | #define TCPHO_MAX 0x7ffU |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 534 | }; |
| 535 | |
hayeswang | dff4e8a | 2013-08-16 16:09:33 +0800 | [diff] [blame] | 536 | struct r8152; |
| 537 | |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 538 | struct rx_agg { |
| 539 | struct list_head list; |
| 540 | struct urb *urb; |
hayeswang | dff4e8a | 2013-08-16 16:09:33 +0800 | [diff] [blame] | 541 | struct r8152 *context; |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 542 | void *buffer; |
| 543 | void *head; |
| 544 | }; |
| 545 | |
| 546 | struct tx_agg { |
| 547 | struct list_head list; |
| 548 | struct urb *urb; |
hayeswang | dff4e8a | 2013-08-16 16:09:33 +0800 | [diff] [blame] | 549 | struct r8152 *context; |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 550 | void *buffer; |
| 551 | void *head; |
| 552 | u32 skb_num; |
| 553 | u32 skb_len; |
| 554 | }; |
| 555 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 556 | struct r8152 { |
| 557 | unsigned long flags; |
| 558 | struct usb_device *udev; |
| 559 | struct tasklet_struct tl; |
hayeswang | 40a8291 | 2013-08-14 20:54:40 +0800 | [diff] [blame] | 560 | struct usb_interface *intf; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 561 | struct net_device *netdev; |
hayeswang | 40a8291 | 2013-08-14 20:54:40 +0800 | [diff] [blame] | 562 | struct urb *intr_urb; |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 563 | struct tx_agg tx_info[RTL8152_MAX_TX]; |
| 564 | struct rx_agg rx_info[RTL8152_MAX_RX]; |
| 565 | struct list_head rx_done, tx_free; |
| 566 | struct sk_buff_head tx_queue; |
| 567 | spinlock_t rx_lock, tx_lock; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 568 | struct delayed_work schedule; |
| 569 | struct mii_if_info mii; |
hayeswang | c81229c | 2014-01-02 11:22:42 +0800 | [diff] [blame] | 570 | |
| 571 | struct rtl_ops { |
| 572 | void (*init)(struct r8152 *); |
| 573 | int (*enable)(struct r8152 *); |
| 574 | void (*disable)(struct r8152 *); |
hayeswang | 7e9da48 | 2014-02-18 21:49:05 +0800 | [diff] [blame] | 575 | void (*up)(struct r8152 *); |
hayeswang | c81229c | 2014-01-02 11:22:42 +0800 | [diff] [blame] | 576 | void (*down)(struct r8152 *); |
| 577 | void (*unload)(struct r8152 *); |
| 578 | } rtl_ops; |
| 579 | |
hayeswang | 40a8291 | 2013-08-14 20:54:40 +0800 | [diff] [blame] | 580 | int intr_interval; |
hayeswang | 21ff2e8 | 2014-02-18 21:49:06 +0800 | [diff] [blame] | 581 | u32 saved_wolopts; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 582 | u32 msg_enable; |
hayeswang | dd1b119 | 2013-11-20 17:30:56 +0800 | [diff] [blame] | 583 | u32 tx_qlen; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 584 | u16 ocp_base; |
hayeswang | 40a8291 | 2013-08-14 20:54:40 +0800 | [diff] [blame] | 585 | u8 *intr_buff; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 586 | u8 version; |
| 587 | u8 speed; |
| 588 | }; |
| 589 | |
| 590 | enum rtl_version { |
| 591 | RTL_VER_UNKNOWN = 0, |
| 592 | RTL_VER_01, |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 593 | RTL_VER_02, |
| 594 | RTL_VER_03, |
| 595 | RTL_VER_04, |
| 596 | RTL_VER_05, |
| 597 | RTL_VER_MAX |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 598 | }; |
| 599 | |
hayeswang | 60c8907 | 2014-03-07 11:04:39 +0800 | [diff] [blame] | 600 | enum tx_csum_stat { |
| 601 | TX_CSUM_SUCCESS = 0, |
| 602 | TX_CSUM_TSO, |
| 603 | TX_CSUM_NONE |
| 604 | }; |
| 605 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 606 | /* Maximum number of multicast addresses to filter (vs. Rx-all-multicast). |
| 607 | * The RTL chips use a 64 element hash table based on the Ethernet CRC. |
| 608 | */ |
| 609 | static const int multicast_filter_limit = 32; |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 610 | static unsigned int rx_buf_sz = 16384; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 611 | |
hayeswang | 60c8907 | 2014-03-07 11:04:39 +0800 | [diff] [blame] | 612 | #define RTL_LIMITED_TSO_SIZE (rx_buf_sz - sizeof(struct tx_desc) - \ |
| 613 | VLAN_ETH_HLEN - VLAN_HLEN) |
| 614 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 615 | static |
| 616 | int get_registers(struct r8152 *tp, u16 value, u16 index, u16 size, void *data) |
| 617 | { |
hayeswang | 31787f5 | 2013-07-31 17:21:25 +0800 | [diff] [blame] | 618 | int ret; |
| 619 | void *tmp; |
| 620 | |
| 621 | tmp = kmalloc(size, GFP_KERNEL); |
| 622 | if (!tmp) |
| 623 | return -ENOMEM; |
| 624 | |
| 625 | ret = usb_control_msg(tp->udev, usb_rcvctrlpipe(tp->udev, 0), |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 626 | RTL8152_REQ_GET_REGS, RTL8152_REQT_READ, |
hayeswang | 31787f5 | 2013-07-31 17:21:25 +0800 | [diff] [blame] | 627 | value, index, tmp, size, 500); |
| 628 | |
| 629 | memcpy(data, tmp, size); |
| 630 | kfree(tmp); |
| 631 | |
| 632 | return ret; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 633 | } |
| 634 | |
| 635 | static |
| 636 | int set_registers(struct r8152 *tp, u16 value, u16 index, u16 size, void *data) |
| 637 | { |
hayeswang | 31787f5 | 2013-07-31 17:21:25 +0800 | [diff] [blame] | 638 | int ret; |
| 639 | void *tmp; |
| 640 | |
Benoit Taine | c4438f0 | 2014-05-26 17:21:23 +0200 | [diff] [blame] | 641 | tmp = kmemdup(data, size, GFP_KERNEL); |
hayeswang | 31787f5 | 2013-07-31 17:21:25 +0800 | [diff] [blame] | 642 | if (!tmp) |
| 643 | return -ENOMEM; |
| 644 | |
hayeswang | 31787f5 | 2013-07-31 17:21:25 +0800 | [diff] [blame] | 645 | ret = usb_control_msg(tp->udev, usb_sndctrlpipe(tp->udev, 0), |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 646 | RTL8152_REQ_SET_REGS, RTL8152_REQT_WRITE, |
hayeswang | 31787f5 | 2013-07-31 17:21:25 +0800 | [diff] [blame] | 647 | value, index, tmp, size, 500); |
| 648 | |
| 649 | kfree(tmp); |
hayeswang | db8515e | 2014-03-06 15:07:16 +0800 | [diff] [blame] | 650 | |
hayeswang | 31787f5 | 2013-07-31 17:21:25 +0800 | [diff] [blame] | 651 | return ret; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 652 | } |
| 653 | |
| 654 | static int generic_ocp_read(struct r8152 *tp, u16 index, u16 size, |
| 655 | void *data, u16 type) |
| 656 | { |
hayeswang | 45f4a19 | 2014-01-06 17:08:41 +0800 | [diff] [blame] | 657 | u16 limit = 64; |
| 658 | int ret = 0; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 659 | |
| 660 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) |
| 661 | return -ENODEV; |
| 662 | |
| 663 | /* both size and indix must be 4 bytes align */ |
| 664 | if ((size & 3) || !size || (index & 3) || !data) |
| 665 | return -EPERM; |
| 666 | |
| 667 | if ((u32)index + (u32)size > 0xffff) |
| 668 | return -EPERM; |
| 669 | |
| 670 | while (size) { |
| 671 | if (size > limit) { |
| 672 | ret = get_registers(tp, index, type, limit, data); |
| 673 | if (ret < 0) |
| 674 | break; |
| 675 | |
| 676 | index += limit; |
| 677 | data += limit; |
| 678 | size -= limit; |
| 679 | } else { |
| 680 | ret = get_registers(tp, index, type, size, data); |
| 681 | if (ret < 0) |
| 682 | break; |
| 683 | |
| 684 | index += size; |
| 685 | data += size; |
| 686 | size = 0; |
| 687 | break; |
| 688 | } |
| 689 | } |
| 690 | |
| 691 | return ret; |
| 692 | } |
| 693 | |
| 694 | static int generic_ocp_write(struct r8152 *tp, u16 index, u16 byteen, |
| 695 | u16 size, void *data, u16 type) |
| 696 | { |
hayeswang | 45f4a19 | 2014-01-06 17:08:41 +0800 | [diff] [blame] | 697 | int ret; |
| 698 | u16 byteen_start, byteen_end, byen; |
| 699 | u16 limit = 512; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 700 | |
| 701 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) |
| 702 | return -ENODEV; |
| 703 | |
| 704 | /* both size and indix must be 4 bytes align */ |
| 705 | if ((size & 3) || !size || (index & 3) || !data) |
| 706 | return -EPERM; |
| 707 | |
| 708 | if ((u32)index + (u32)size > 0xffff) |
| 709 | return -EPERM; |
| 710 | |
| 711 | byteen_start = byteen & BYTE_EN_START_MASK; |
| 712 | byteen_end = byteen & BYTE_EN_END_MASK; |
| 713 | |
| 714 | byen = byteen_start | (byteen_start << 4); |
| 715 | ret = set_registers(tp, index, type | byen, 4, data); |
| 716 | if (ret < 0) |
| 717 | goto error1; |
| 718 | |
| 719 | index += 4; |
| 720 | data += 4; |
| 721 | size -= 4; |
| 722 | |
| 723 | if (size) { |
| 724 | size -= 4; |
| 725 | |
| 726 | while (size) { |
| 727 | if (size > limit) { |
| 728 | ret = set_registers(tp, index, |
| 729 | type | BYTE_EN_DWORD, |
| 730 | limit, data); |
| 731 | if (ret < 0) |
| 732 | goto error1; |
| 733 | |
| 734 | index += limit; |
| 735 | data += limit; |
| 736 | size -= limit; |
| 737 | } else { |
| 738 | ret = set_registers(tp, index, |
| 739 | type | BYTE_EN_DWORD, |
| 740 | size, data); |
| 741 | if (ret < 0) |
| 742 | goto error1; |
| 743 | |
| 744 | index += size; |
| 745 | data += size; |
| 746 | size = 0; |
| 747 | break; |
| 748 | } |
| 749 | } |
| 750 | |
| 751 | byen = byteen_end | (byteen_end >> 4); |
| 752 | ret = set_registers(tp, index, type | byen, 4, data); |
| 753 | if (ret < 0) |
| 754 | goto error1; |
| 755 | } |
| 756 | |
| 757 | error1: |
| 758 | return ret; |
| 759 | } |
| 760 | |
| 761 | static inline |
| 762 | int pla_ocp_read(struct r8152 *tp, u16 index, u16 size, void *data) |
| 763 | { |
| 764 | return generic_ocp_read(tp, index, size, data, MCU_TYPE_PLA); |
| 765 | } |
| 766 | |
| 767 | static inline |
| 768 | int pla_ocp_write(struct r8152 *tp, u16 index, u16 byteen, u16 size, void *data) |
| 769 | { |
| 770 | return generic_ocp_write(tp, index, byteen, size, data, MCU_TYPE_PLA); |
| 771 | } |
| 772 | |
| 773 | static inline |
| 774 | int usb_ocp_read(struct r8152 *tp, u16 index, u16 size, void *data) |
| 775 | { |
| 776 | return generic_ocp_read(tp, index, size, data, MCU_TYPE_USB); |
| 777 | } |
| 778 | |
| 779 | static inline |
| 780 | int usb_ocp_write(struct r8152 *tp, u16 index, u16 byteen, u16 size, void *data) |
| 781 | { |
| 782 | return generic_ocp_write(tp, index, byteen, size, data, MCU_TYPE_USB); |
| 783 | } |
| 784 | |
| 785 | static u32 ocp_read_dword(struct r8152 *tp, u16 type, u16 index) |
| 786 | { |
hayeswang | c8826de | 2013-07-31 17:21:26 +0800 | [diff] [blame] | 787 | __le32 data; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 788 | |
hayeswang | c8826de | 2013-07-31 17:21:26 +0800 | [diff] [blame] | 789 | generic_ocp_read(tp, index, sizeof(data), &data, type); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 790 | |
| 791 | return __le32_to_cpu(data); |
| 792 | } |
| 793 | |
| 794 | static void ocp_write_dword(struct r8152 *tp, u16 type, u16 index, u32 data) |
| 795 | { |
hayeswang | c8826de | 2013-07-31 17:21:26 +0800 | [diff] [blame] | 796 | __le32 tmp = __cpu_to_le32(data); |
| 797 | |
| 798 | generic_ocp_write(tp, index, BYTE_EN_DWORD, sizeof(tmp), &tmp, type); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 799 | } |
| 800 | |
| 801 | static u16 ocp_read_word(struct r8152 *tp, u16 type, u16 index) |
| 802 | { |
| 803 | u32 data; |
hayeswang | c8826de | 2013-07-31 17:21:26 +0800 | [diff] [blame] | 804 | __le32 tmp; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 805 | u8 shift = index & 2; |
| 806 | |
| 807 | index &= ~3; |
| 808 | |
hayeswang | c8826de | 2013-07-31 17:21:26 +0800 | [diff] [blame] | 809 | generic_ocp_read(tp, index, sizeof(tmp), &tmp, type); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 810 | |
hayeswang | c8826de | 2013-07-31 17:21:26 +0800 | [diff] [blame] | 811 | data = __le32_to_cpu(tmp); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 812 | data >>= (shift * 8); |
| 813 | data &= 0xffff; |
| 814 | |
| 815 | return (u16)data; |
| 816 | } |
| 817 | |
| 818 | static void ocp_write_word(struct r8152 *tp, u16 type, u16 index, u32 data) |
| 819 | { |
hayeswang | c8826de | 2013-07-31 17:21:26 +0800 | [diff] [blame] | 820 | u32 mask = 0xffff; |
| 821 | __le32 tmp; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 822 | u16 byen = BYTE_EN_WORD; |
| 823 | u8 shift = index & 2; |
| 824 | |
| 825 | data &= mask; |
| 826 | |
| 827 | if (index & 2) { |
| 828 | byen <<= shift; |
| 829 | mask <<= (shift * 8); |
| 830 | data <<= (shift * 8); |
| 831 | index &= ~3; |
| 832 | } |
| 833 | |
hayeswang | c8826de | 2013-07-31 17:21:26 +0800 | [diff] [blame] | 834 | generic_ocp_read(tp, index, sizeof(tmp), &tmp, type); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 835 | |
hayeswang | c8826de | 2013-07-31 17:21:26 +0800 | [diff] [blame] | 836 | data |= __le32_to_cpu(tmp) & ~mask; |
| 837 | tmp = __cpu_to_le32(data); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 838 | |
hayeswang | c8826de | 2013-07-31 17:21:26 +0800 | [diff] [blame] | 839 | generic_ocp_write(tp, index, byen, sizeof(tmp), &tmp, type); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 840 | } |
| 841 | |
| 842 | static u8 ocp_read_byte(struct r8152 *tp, u16 type, u16 index) |
| 843 | { |
| 844 | u32 data; |
hayeswang | c8826de | 2013-07-31 17:21:26 +0800 | [diff] [blame] | 845 | __le32 tmp; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 846 | u8 shift = index & 3; |
| 847 | |
| 848 | index &= ~3; |
| 849 | |
hayeswang | c8826de | 2013-07-31 17:21:26 +0800 | [diff] [blame] | 850 | generic_ocp_read(tp, index, sizeof(tmp), &tmp, type); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 851 | |
hayeswang | c8826de | 2013-07-31 17:21:26 +0800 | [diff] [blame] | 852 | data = __le32_to_cpu(tmp); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 853 | data >>= (shift * 8); |
| 854 | data &= 0xff; |
| 855 | |
| 856 | return (u8)data; |
| 857 | } |
| 858 | |
| 859 | static void ocp_write_byte(struct r8152 *tp, u16 type, u16 index, u32 data) |
| 860 | { |
hayeswang | c8826de | 2013-07-31 17:21:26 +0800 | [diff] [blame] | 861 | u32 mask = 0xff; |
| 862 | __le32 tmp; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 863 | u16 byen = BYTE_EN_BYTE; |
| 864 | u8 shift = index & 3; |
| 865 | |
| 866 | data &= mask; |
| 867 | |
| 868 | if (index & 3) { |
| 869 | byen <<= shift; |
| 870 | mask <<= (shift * 8); |
| 871 | data <<= (shift * 8); |
| 872 | index &= ~3; |
| 873 | } |
| 874 | |
hayeswang | c8826de | 2013-07-31 17:21:26 +0800 | [diff] [blame] | 875 | generic_ocp_read(tp, index, sizeof(tmp), &tmp, type); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 876 | |
hayeswang | c8826de | 2013-07-31 17:21:26 +0800 | [diff] [blame] | 877 | data |= __le32_to_cpu(tmp) & ~mask; |
| 878 | tmp = __cpu_to_le32(data); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 879 | |
hayeswang | c8826de | 2013-07-31 17:21:26 +0800 | [diff] [blame] | 880 | generic_ocp_write(tp, index, byen, sizeof(tmp), &tmp, type); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 881 | } |
| 882 | |
hayeswang | ac244d3 | 2014-01-02 11:22:40 +0800 | [diff] [blame] | 883 | static u16 ocp_reg_read(struct r8152 *tp, u16 addr) |
| 884 | { |
| 885 | u16 ocp_base, ocp_index; |
| 886 | |
| 887 | ocp_base = addr & 0xf000; |
| 888 | if (ocp_base != tp->ocp_base) { |
| 889 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_OCP_GPHY_BASE, ocp_base); |
| 890 | tp->ocp_base = ocp_base; |
| 891 | } |
| 892 | |
| 893 | ocp_index = (addr & 0x0fff) | 0xb000; |
| 894 | return ocp_read_word(tp, MCU_TYPE_PLA, ocp_index); |
| 895 | } |
| 896 | |
hayeswang | e3fe0b1 | 2014-01-02 11:22:39 +0800 | [diff] [blame] | 897 | static void ocp_reg_write(struct r8152 *tp, u16 addr, u16 data) |
| 898 | { |
| 899 | u16 ocp_base, ocp_index; |
| 900 | |
| 901 | ocp_base = addr & 0xf000; |
| 902 | if (ocp_base != tp->ocp_base) { |
| 903 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_OCP_GPHY_BASE, ocp_base); |
| 904 | tp->ocp_base = ocp_base; |
| 905 | } |
| 906 | |
| 907 | ocp_index = (addr & 0x0fff) | 0xb000; |
| 908 | ocp_write_word(tp, MCU_TYPE_PLA, ocp_index, data); |
| 909 | } |
| 910 | |
hayeswang | ac244d3 | 2014-01-02 11:22:40 +0800 | [diff] [blame] | 911 | static inline void r8152_mdio_write(struct r8152 *tp, u32 reg_addr, u32 value) |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 912 | { |
hayeswang | ac244d3 | 2014-01-02 11:22:40 +0800 | [diff] [blame] | 913 | ocp_reg_write(tp, OCP_BASE_MII + reg_addr * 2, value); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 914 | } |
| 915 | |
hayeswang | ac244d3 | 2014-01-02 11:22:40 +0800 | [diff] [blame] | 916 | static inline int r8152_mdio_read(struct r8152 *tp, u32 reg_addr) |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 917 | { |
hayeswang | ac244d3 | 2014-01-02 11:22:40 +0800 | [diff] [blame] | 918 | return ocp_reg_read(tp, OCP_BASE_MII + reg_addr * 2); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 919 | } |
| 920 | |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 921 | static void sram_write(struct r8152 *tp, u16 addr, u16 data) |
| 922 | { |
| 923 | ocp_reg_write(tp, OCP_SRAM_ADDR, addr); |
| 924 | ocp_reg_write(tp, OCP_SRAM_DATA, data); |
| 925 | } |
| 926 | |
| 927 | static u16 sram_read(struct r8152 *tp, u16 addr) |
| 928 | { |
| 929 | ocp_reg_write(tp, OCP_SRAM_ADDR, addr); |
| 930 | return ocp_reg_read(tp, OCP_SRAM_DATA); |
| 931 | } |
| 932 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 933 | static int read_mii_word(struct net_device *netdev, int phy_id, int reg) |
| 934 | { |
| 935 | struct r8152 *tp = netdev_priv(netdev); |
hayeswang | 9a4be1b | 2014-02-18 21:49:07 +0800 | [diff] [blame] | 936 | int ret; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 937 | |
hayeswang | 6871438 | 2014-04-11 17:54:31 +0800 | [diff] [blame] | 938 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) |
| 939 | return -ENODEV; |
| 940 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 941 | if (phy_id != R8152_PHY_ID) |
| 942 | return -EINVAL; |
| 943 | |
hayeswang | 9a4be1b | 2014-02-18 21:49:07 +0800 | [diff] [blame] | 944 | ret = usb_autopm_get_interface(tp->intf); |
| 945 | if (ret < 0) |
| 946 | goto out; |
| 947 | |
| 948 | ret = r8152_mdio_read(tp, reg); |
| 949 | |
| 950 | usb_autopm_put_interface(tp->intf); |
| 951 | |
| 952 | out: |
| 953 | return ret; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 954 | } |
| 955 | |
| 956 | static |
| 957 | void write_mii_word(struct net_device *netdev, int phy_id, int reg, int val) |
| 958 | { |
| 959 | struct r8152 *tp = netdev_priv(netdev); |
| 960 | |
hayeswang | 6871438 | 2014-04-11 17:54:31 +0800 | [diff] [blame] | 961 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) |
| 962 | return; |
| 963 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 964 | if (phy_id != R8152_PHY_ID) |
| 965 | return; |
| 966 | |
hayeswang | 9a4be1b | 2014-02-18 21:49:07 +0800 | [diff] [blame] | 967 | if (usb_autopm_get_interface(tp->intf) < 0) |
| 968 | return; |
| 969 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 970 | r8152_mdio_write(tp, reg, val); |
hayeswang | 9a4be1b | 2014-02-18 21:49:07 +0800 | [diff] [blame] | 971 | |
| 972 | usb_autopm_put_interface(tp->intf); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 973 | } |
| 974 | |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 975 | static |
| 976 | int r8152_submit_rx(struct r8152 *tp, struct rx_agg *agg, gfp_t mem_flags); |
| 977 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 978 | static inline void set_ethernet_addr(struct r8152 *tp) |
| 979 | { |
| 980 | struct net_device *dev = tp->netdev; |
hayeswang | 8a91c82 | 2014-02-18 21:49:01 +0800 | [diff] [blame] | 981 | int ret; |
hayeswang | 31787f5 | 2013-07-31 17:21:25 +0800 | [diff] [blame] | 982 | u8 node_id[8] = {0}; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 983 | |
hayeswang | 8a91c82 | 2014-02-18 21:49:01 +0800 | [diff] [blame] | 984 | if (tp->version == RTL_VER_01) |
| 985 | ret = pla_ocp_read(tp, PLA_IDR, sizeof(node_id), node_id); |
| 986 | else |
| 987 | ret = pla_ocp_read(tp, PLA_BACKUP, sizeof(node_id), node_id); |
| 988 | |
| 989 | if (ret < 0) { |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 990 | netif_notice(tp, probe, dev, "inet addr fail\n"); |
hayeswang | 8a91c82 | 2014-02-18 21:49:01 +0800 | [diff] [blame] | 991 | } else { |
| 992 | if (tp->version != RTL_VER_01) { |
| 993 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, |
| 994 | CRWECR_CONFIG); |
| 995 | pla_ocp_write(tp, PLA_IDR, BYTE_EN_SIX_BYTES, |
| 996 | sizeof(node_id), node_id); |
| 997 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, |
| 998 | CRWECR_NORAML); |
| 999 | } |
| 1000 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 1001 | memcpy(dev->dev_addr, node_id, dev->addr_len); |
| 1002 | memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); |
| 1003 | } |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 1004 | } |
| 1005 | |
| 1006 | static int rtl8152_set_mac_address(struct net_device *netdev, void *p) |
| 1007 | { |
| 1008 | struct r8152 *tp = netdev_priv(netdev); |
| 1009 | struct sockaddr *addr = p; |
hayeswang | ea6a711 | 2014-10-02 17:03:12 +0800 | [diff] [blame^] | 1010 | int ret = -EADDRNOTAVAIL; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 1011 | |
| 1012 | if (!is_valid_ether_addr(addr->sa_data)) |
hayeswang | ea6a711 | 2014-10-02 17:03:12 +0800 | [diff] [blame^] | 1013 | goto out1; |
| 1014 | |
| 1015 | ret = usb_autopm_get_interface(tp->intf); |
| 1016 | if (ret < 0) |
| 1017 | goto out1; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 1018 | |
| 1019 | memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); |
| 1020 | |
| 1021 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_CONFIG); |
| 1022 | pla_ocp_write(tp, PLA_IDR, BYTE_EN_SIX_BYTES, 8, addr->sa_data); |
| 1023 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML); |
| 1024 | |
hayeswang | ea6a711 | 2014-10-02 17:03:12 +0800 | [diff] [blame^] | 1025 | usb_autopm_put_interface(tp->intf); |
| 1026 | out1: |
| 1027 | return ret; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 1028 | } |
| 1029 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 1030 | static void read_bulk_callback(struct urb *urb) |
| 1031 | { |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 1032 | struct net_device *netdev; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 1033 | int status = urb->status; |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1034 | struct rx_agg *agg; |
| 1035 | struct r8152 *tp; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 1036 | int result; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 1037 | |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1038 | agg = urb->context; |
| 1039 | if (!agg) |
| 1040 | return; |
| 1041 | |
| 1042 | tp = agg->context; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 1043 | if (!tp) |
| 1044 | return; |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1045 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 1046 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) |
| 1047 | return; |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1048 | |
| 1049 | if (!test_bit(WORK_ENABLE, &tp->flags)) |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 1050 | return; |
| 1051 | |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1052 | netdev = tp->netdev; |
hayeswang | 7559fb2f | 2013-08-16 16:09:38 +0800 | [diff] [blame] | 1053 | |
| 1054 | /* When link down, the driver would cancel all bulks. */ |
| 1055 | /* This avoid the re-submitting bulk */ |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1056 | if (!netif_carrier_ok(netdev)) |
| 1057 | return; |
| 1058 | |
hayeswang | 9a4be1b | 2014-02-18 21:49:07 +0800 | [diff] [blame] | 1059 | usb_mark_last_busy(tp->udev); |
| 1060 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 1061 | switch (status) { |
| 1062 | case 0: |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1063 | if (urb->actual_length < ETH_ZLEN) |
| 1064 | break; |
| 1065 | |
hayeswang | 2685d41 | 2014-03-07 11:04:34 +0800 | [diff] [blame] | 1066 | spin_lock(&tp->rx_lock); |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1067 | list_add_tail(&agg->list, &tp->rx_done); |
hayeswang | 2685d41 | 2014-03-07 11:04:34 +0800 | [diff] [blame] | 1068 | spin_unlock(&tp->rx_lock); |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1069 | tasklet_schedule(&tp->tl); |
| 1070 | return; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 1071 | case -ESHUTDOWN: |
| 1072 | set_bit(RTL8152_UNPLUG, &tp->flags); |
| 1073 | netif_device_detach(tp->netdev); |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1074 | return; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 1075 | case -ENOENT: |
| 1076 | return; /* the urb is in unlink state */ |
| 1077 | case -ETIME: |
Hayes Wang | 4a8deae | 2014-01-07 11:18:22 +0800 | [diff] [blame] | 1078 | if (net_ratelimit()) |
| 1079 | netdev_warn(netdev, "maybe reset is needed?\n"); |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1080 | break; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 1081 | default: |
Hayes Wang | 4a8deae | 2014-01-07 11:18:22 +0800 | [diff] [blame] | 1082 | if (net_ratelimit()) |
| 1083 | netdev_warn(netdev, "Rx status %d\n", status); |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1084 | break; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 1085 | } |
| 1086 | |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1087 | result = r8152_submit_rx(tp, agg, GFP_ATOMIC); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 1088 | if (result == -ENODEV) { |
| 1089 | netif_device_detach(tp->netdev); |
| 1090 | } else if (result) { |
hayeswang | 2685d41 | 2014-03-07 11:04:34 +0800 | [diff] [blame] | 1091 | spin_lock(&tp->rx_lock); |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1092 | list_add_tail(&agg->list, &tp->rx_done); |
hayeswang | 2685d41 | 2014-03-07 11:04:34 +0800 | [diff] [blame] | 1093 | spin_unlock(&tp->rx_lock); |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1094 | tasklet_schedule(&tp->tl); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 1095 | } |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 1096 | } |
| 1097 | |
| 1098 | static void write_bulk_callback(struct urb *urb) |
| 1099 | { |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1100 | struct net_device_stats *stats; |
hayeswang | d104eaf | 2014-03-06 15:07:17 +0800 | [diff] [blame] | 1101 | struct net_device *netdev; |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1102 | struct tx_agg *agg; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 1103 | struct r8152 *tp; |
| 1104 | int status = urb->status; |
| 1105 | |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1106 | agg = urb->context; |
| 1107 | if (!agg) |
| 1108 | return; |
| 1109 | |
| 1110 | tp = agg->context; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 1111 | if (!tp) |
| 1112 | return; |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1113 | |
hayeswang | d104eaf | 2014-03-06 15:07:17 +0800 | [diff] [blame] | 1114 | netdev = tp->netdev; |
hayeswang | 05e0f1a | 2014-03-06 15:07:18 +0800 | [diff] [blame] | 1115 | stats = &netdev->stats; |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1116 | if (status) { |
Hayes Wang | 4a8deae | 2014-01-07 11:18:22 +0800 | [diff] [blame] | 1117 | if (net_ratelimit()) |
hayeswang | d104eaf | 2014-03-06 15:07:17 +0800 | [diff] [blame] | 1118 | netdev_warn(netdev, "Tx status %d\n", status); |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1119 | stats->tx_errors += agg->skb_num; |
| 1120 | } else { |
| 1121 | stats->tx_packets += agg->skb_num; |
| 1122 | stats->tx_bytes += agg->skb_len; |
| 1123 | } |
| 1124 | |
hayeswang | 2685d41 | 2014-03-07 11:04:34 +0800 | [diff] [blame] | 1125 | spin_lock(&tp->tx_lock); |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1126 | list_add_tail(&agg->list, &tp->tx_free); |
hayeswang | 2685d41 | 2014-03-07 11:04:34 +0800 | [diff] [blame] | 1127 | spin_unlock(&tp->tx_lock); |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1128 | |
hayeswang | 9a4be1b | 2014-02-18 21:49:07 +0800 | [diff] [blame] | 1129 | usb_autopm_put_interface_async(tp->intf); |
| 1130 | |
hayeswang | d104eaf | 2014-03-06 15:07:17 +0800 | [diff] [blame] | 1131 | if (!netif_carrier_ok(netdev)) |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 1132 | return; |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1133 | |
| 1134 | if (!test_bit(WORK_ENABLE, &tp->flags)) |
| 1135 | return; |
| 1136 | |
| 1137 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) |
| 1138 | return; |
| 1139 | |
| 1140 | if (!skb_queue_empty(&tp->tx_queue)) |
hayeswang | 0c3121f | 2014-03-07 11:04:36 +0800 | [diff] [blame] | 1141 | tasklet_schedule(&tp->tl); |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1142 | } |
| 1143 | |
hayeswang | 40a8291 | 2013-08-14 20:54:40 +0800 | [diff] [blame] | 1144 | static void intr_callback(struct urb *urb) |
| 1145 | { |
| 1146 | struct r8152 *tp; |
hayeswang | 500b6d7 | 2013-11-20 17:30:57 +0800 | [diff] [blame] | 1147 | __le16 *d; |
hayeswang | 40a8291 | 2013-08-14 20:54:40 +0800 | [diff] [blame] | 1148 | int status = urb->status; |
| 1149 | int res; |
| 1150 | |
| 1151 | tp = urb->context; |
| 1152 | if (!tp) |
| 1153 | return; |
| 1154 | |
| 1155 | if (!test_bit(WORK_ENABLE, &tp->flags)) |
| 1156 | return; |
| 1157 | |
| 1158 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) |
| 1159 | return; |
| 1160 | |
| 1161 | switch (status) { |
| 1162 | case 0: /* success */ |
| 1163 | break; |
| 1164 | case -ECONNRESET: /* unlink */ |
| 1165 | case -ESHUTDOWN: |
| 1166 | netif_device_detach(tp->netdev); |
| 1167 | case -ENOENT: |
| 1168 | return; |
| 1169 | case -EOVERFLOW: |
| 1170 | netif_info(tp, intr, tp->netdev, "intr status -EOVERFLOW\n"); |
| 1171 | goto resubmit; |
| 1172 | /* -EPIPE: should clear the halt */ |
| 1173 | default: |
| 1174 | netif_info(tp, intr, tp->netdev, "intr status %d\n", status); |
| 1175 | goto resubmit; |
| 1176 | } |
| 1177 | |
| 1178 | d = urb->transfer_buffer; |
| 1179 | if (INTR_LINK & __le16_to_cpu(d[0])) { |
| 1180 | if (!(tp->speed & LINK_STATUS)) { |
| 1181 | set_bit(RTL8152_LINK_CHG, &tp->flags); |
| 1182 | schedule_delayed_work(&tp->schedule, 0); |
| 1183 | } |
| 1184 | } else { |
| 1185 | if (tp->speed & LINK_STATUS) { |
| 1186 | set_bit(RTL8152_LINK_CHG, &tp->flags); |
| 1187 | schedule_delayed_work(&tp->schedule, 0); |
| 1188 | } |
| 1189 | } |
| 1190 | |
| 1191 | resubmit: |
| 1192 | res = usb_submit_urb(urb, GFP_ATOMIC); |
| 1193 | if (res == -ENODEV) |
| 1194 | netif_device_detach(tp->netdev); |
| 1195 | else if (res) |
| 1196 | netif_err(tp, intr, tp->netdev, |
Hayes Wang | 4a8deae | 2014-01-07 11:18:22 +0800 | [diff] [blame] | 1197 | "can't resubmit intr, status %d\n", res); |
hayeswang | 40a8291 | 2013-08-14 20:54:40 +0800 | [diff] [blame] | 1198 | } |
| 1199 | |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1200 | static inline void *rx_agg_align(void *data) |
| 1201 | { |
hayeswang | 8e1f51b | 2014-01-02 11:22:41 +0800 | [diff] [blame] | 1202 | return (void *)ALIGN((uintptr_t)data, RX_ALIGN); |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1203 | } |
| 1204 | |
| 1205 | static inline void *tx_agg_align(void *data) |
| 1206 | { |
hayeswang | 8e1f51b | 2014-01-02 11:22:41 +0800 | [diff] [blame] | 1207 | return (void *)ALIGN((uintptr_t)data, TX_ALIGN); |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1208 | } |
| 1209 | |
| 1210 | static void free_all_mem(struct r8152 *tp) |
| 1211 | { |
| 1212 | int i; |
| 1213 | |
| 1214 | for (i = 0; i < RTL8152_MAX_RX; i++) { |
hayeswang | 9629e3c | 2014-01-15 10:42:15 +0800 | [diff] [blame] | 1215 | usb_free_urb(tp->rx_info[i].urb); |
| 1216 | tp->rx_info[i].urb = NULL; |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1217 | |
hayeswang | 9629e3c | 2014-01-15 10:42:15 +0800 | [diff] [blame] | 1218 | kfree(tp->rx_info[i].buffer); |
| 1219 | tp->rx_info[i].buffer = NULL; |
| 1220 | tp->rx_info[i].head = NULL; |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1221 | } |
| 1222 | |
| 1223 | for (i = 0; i < RTL8152_MAX_TX; i++) { |
hayeswang | 9629e3c | 2014-01-15 10:42:15 +0800 | [diff] [blame] | 1224 | usb_free_urb(tp->tx_info[i].urb); |
| 1225 | tp->tx_info[i].urb = NULL; |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1226 | |
hayeswang | 9629e3c | 2014-01-15 10:42:15 +0800 | [diff] [blame] | 1227 | kfree(tp->tx_info[i].buffer); |
| 1228 | tp->tx_info[i].buffer = NULL; |
| 1229 | tp->tx_info[i].head = NULL; |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1230 | } |
hayeswang | 40a8291 | 2013-08-14 20:54:40 +0800 | [diff] [blame] | 1231 | |
hayeswang | 9629e3c | 2014-01-15 10:42:15 +0800 | [diff] [blame] | 1232 | usb_free_urb(tp->intr_urb); |
| 1233 | tp->intr_urb = NULL; |
hayeswang | 40a8291 | 2013-08-14 20:54:40 +0800 | [diff] [blame] | 1234 | |
hayeswang | 9629e3c | 2014-01-15 10:42:15 +0800 | [diff] [blame] | 1235 | kfree(tp->intr_buff); |
| 1236 | tp->intr_buff = NULL; |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1237 | } |
| 1238 | |
| 1239 | static int alloc_all_mem(struct r8152 *tp) |
| 1240 | { |
| 1241 | struct net_device *netdev = tp->netdev; |
hayeswang | 40a8291 | 2013-08-14 20:54:40 +0800 | [diff] [blame] | 1242 | struct usb_interface *intf = tp->intf; |
| 1243 | struct usb_host_interface *alt = intf->cur_altsetting; |
| 1244 | struct usb_host_endpoint *ep_intr = alt->endpoint + 2; |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1245 | struct urb *urb; |
| 1246 | int node, i; |
| 1247 | u8 *buf; |
| 1248 | |
| 1249 | node = netdev->dev.parent ? dev_to_node(netdev->dev.parent) : -1; |
| 1250 | |
| 1251 | spin_lock_init(&tp->rx_lock); |
| 1252 | spin_lock_init(&tp->tx_lock); |
| 1253 | INIT_LIST_HEAD(&tp->rx_done); |
| 1254 | INIT_LIST_HEAD(&tp->tx_free); |
| 1255 | skb_queue_head_init(&tp->tx_queue); |
| 1256 | |
| 1257 | for (i = 0; i < RTL8152_MAX_RX; i++) { |
| 1258 | buf = kmalloc_node(rx_buf_sz, GFP_KERNEL, node); |
| 1259 | if (!buf) |
| 1260 | goto err1; |
| 1261 | |
| 1262 | if (buf != rx_agg_align(buf)) { |
| 1263 | kfree(buf); |
hayeswang | 8e1f51b | 2014-01-02 11:22:41 +0800 | [diff] [blame] | 1264 | buf = kmalloc_node(rx_buf_sz + RX_ALIGN, GFP_KERNEL, |
| 1265 | node); |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1266 | if (!buf) |
| 1267 | goto err1; |
| 1268 | } |
| 1269 | |
| 1270 | urb = usb_alloc_urb(0, GFP_KERNEL); |
| 1271 | if (!urb) { |
| 1272 | kfree(buf); |
| 1273 | goto err1; |
| 1274 | } |
| 1275 | |
| 1276 | INIT_LIST_HEAD(&tp->rx_info[i].list); |
| 1277 | tp->rx_info[i].context = tp; |
| 1278 | tp->rx_info[i].urb = urb; |
| 1279 | tp->rx_info[i].buffer = buf; |
| 1280 | tp->rx_info[i].head = rx_agg_align(buf); |
| 1281 | } |
| 1282 | |
| 1283 | for (i = 0; i < RTL8152_MAX_TX; i++) { |
| 1284 | buf = kmalloc_node(rx_buf_sz, GFP_KERNEL, node); |
| 1285 | if (!buf) |
| 1286 | goto err1; |
| 1287 | |
| 1288 | if (buf != tx_agg_align(buf)) { |
| 1289 | kfree(buf); |
hayeswang | 8e1f51b | 2014-01-02 11:22:41 +0800 | [diff] [blame] | 1290 | buf = kmalloc_node(rx_buf_sz + TX_ALIGN, GFP_KERNEL, |
| 1291 | node); |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1292 | if (!buf) |
| 1293 | goto err1; |
| 1294 | } |
| 1295 | |
| 1296 | urb = usb_alloc_urb(0, GFP_KERNEL); |
| 1297 | if (!urb) { |
| 1298 | kfree(buf); |
| 1299 | goto err1; |
| 1300 | } |
| 1301 | |
| 1302 | INIT_LIST_HEAD(&tp->tx_info[i].list); |
| 1303 | tp->tx_info[i].context = tp; |
| 1304 | tp->tx_info[i].urb = urb; |
| 1305 | tp->tx_info[i].buffer = buf; |
| 1306 | tp->tx_info[i].head = tx_agg_align(buf); |
| 1307 | |
| 1308 | list_add_tail(&tp->tx_info[i].list, &tp->tx_free); |
| 1309 | } |
| 1310 | |
hayeswang | 40a8291 | 2013-08-14 20:54:40 +0800 | [diff] [blame] | 1311 | tp->intr_urb = usb_alloc_urb(0, GFP_KERNEL); |
| 1312 | if (!tp->intr_urb) |
| 1313 | goto err1; |
| 1314 | |
| 1315 | tp->intr_buff = kmalloc(INTBUFSIZE, GFP_KERNEL); |
| 1316 | if (!tp->intr_buff) |
| 1317 | goto err1; |
| 1318 | |
| 1319 | tp->intr_interval = (int)ep_intr->desc.bInterval; |
| 1320 | usb_fill_int_urb(tp->intr_urb, tp->udev, usb_rcvintpipe(tp->udev, 3), |
| 1321 | tp->intr_buff, INTBUFSIZE, intr_callback, |
| 1322 | tp, tp->intr_interval); |
| 1323 | |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1324 | return 0; |
| 1325 | |
| 1326 | err1: |
| 1327 | free_all_mem(tp); |
| 1328 | return -ENOMEM; |
| 1329 | } |
| 1330 | |
hayeswang | 0de98f6 | 2013-08-16 16:09:35 +0800 | [diff] [blame] | 1331 | static struct tx_agg *r8152_get_tx_agg(struct r8152 *tp) |
| 1332 | { |
| 1333 | struct tx_agg *agg = NULL; |
| 1334 | unsigned long flags; |
| 1335 | |
hayeswang | 21949ab | 2014-03-07 11:04:35 +0800 | [diff] [blame] | 1336 | if (list_empty(&tp->tx_free)) |
| 1337 | return NULL; |
| 1338 | |
hayeswang | 0de98f6 | 2013-08-16 16:09:35 +0800 | [diff] [blame] | 1339 | spin_lock_irqsave(&tp->tx_lock, flags); |
| 1340 | if (!list_empty(&tp->tx_free)) { |
| 1341 | struct list_head *cursor; |
| 1342 | |
| 1343 | cursor = tp->tx_free.next; |
| 1344 | list_del_init(cursor); |
| 1345 | agg = list_entry(cursor, struct tx_agg, list); |
| 1346 | } |
| 1347 | spin_unlock_irqrestore(&tp->tx_lock, flags); |
| 1348 | |
| 1349 | return agg; |
| 1350 | } |
| 1351 | |
hayeswang | 60c8907 | 2014-03-07 11:04:39 +0800 | [diff] [blame] | 1352 | static inline __be16 get_protocol(struct sk_buff *skb) |
hayeswang | 5bd2388 | 2013-08-14 20:54:39 +0800 | [diff] [blame] | 1353 | { |
hayeswang | 60c8907 | 2014-03-07 11:04:39 +0800 | [diff] [blame] | 1354 | __be16 protocol; |
hayeswang | 5bd2388 | 2013-08-14 20:54:39 +0800 | [diff] [blame] | 1355 | |
hayeswang | 60c8907 | 2014-03-07 11:04:39 +0800 | [diff] [blame] | 1356 | if (skb->protocol == htons(ETH_P_8021Q)) |
| 1357 | protocol = vlan_eth_hdr(skb)->h_vlan_encapsulated_proto; |
| 1358 | else |
| 1359 | protocol = skb->protocol; |
hayeswang | 5bd2388 | 2013-08-14 20:54:39 +0800 | [diff] [blame] | 1360 | |
hayeswang | 60c8907 | 2014-03-07 11:04:39 +0800 | [diff] [blame] | 1361 | return protocol; |
| 1362 | } |
| 1363 | |
hayeswang | 6128d1bb | 2014-03-07 11:04:40 +0800 | [diff] [blame] | 1364 | /* |
| 1365 | * r8152_csum_workaround() |
| 1366 | * The hw limites the value the transport offset. When the offset is out of the |
| 1367 | * range, calculate the checksum by sw. |
| 1368 | */ |
| 1369 | static void r8152_csum_workaround(struct r8152 *tp, struct sk_buff *skb, |
| 1370 | struct sk_buff_head *list) |
| 1371 | { |
| 1372 | if (skb_shinfo(skb)->gso_size) { |
| 1373 | netdev_features_t features = tp->netdev->features; |
| 1374 | struct sk_buff_head seg_list; |
| 1375 | struct sk_buff *segs, *nskb; |
| 1376 | |
hayeswang | a91d45f | 2014-07-11 16:48:27 +0800 | [diff] [blame] | 1377 | features &= ~(NETIF_F_SG | NETIF_F_IPV6_CSUM | NETIF_F_TSO6); |
hayeswang | 6128d1bb | 2014-03-07 11:04:40 +0800 | [diff] [blame] | 1378 | segs = skb_gso_segment(skb, features); |
| 1379 | if (IS_ERR(segs) || !segs) |
| 1380 | goto drop; |
| 1381 | |
| 1382 | __skb_queue_head_init(&seg_list); |
| 1383 | |
| 1384 | do { |
| 1385 | nskb = segs; |
| 1386 | segs = segs->next; |
| 1387 | nskb->next = NULL; |
| 1388 | __skb_queue_tail(&seg_list, nskb); |
| 1389 | } while (segs); |
| 1390 | |
| 1391 | skb_queue_splice(&seg_list, list); |
| 1392 | dev_kfree_skb(skb); |
| 1393 | } else if (skb->ip_summed == CHECKSUM_PARTIAL) { |
| 1394 | if (skb_checksum_help(skb) < 0) |
| 1395 | goto drop; |
| 1396 | |
| 1397 | __skb_queue_head(list, skb); |
| 1398 | } else { |
| 1399 | struct net_device_stats *stats; |
| 1400 | |
| 1401 | drop: |
| 1402 | stats = &tp->netdev->stats; |
| 1403 | stats->tx_dropped++; |
| 1404 | dev_kfree_skb(skb); |
| 1405 | } |
| 1406 | } |
| 1407 | |
| 1408 | /* |
| 1409 | * msdn_giant_send_check() |
| 1410 | * According to the document of microsoft, the TCP Pseudo Header excludes the |
| 1411 | * packet length for IPv6 TCP large packets. |
| 1412 | */ |
| 1413 | static int msdn_giant_send_check(struct sk_buff *skb) |
| 1414 | { |
| 1415 | const struct ipv6hdr *ipv6h; |
| 1416 | struct tcphdr *th; |
hayeswang | fcb308d | 2014-03-11 10:20:32 +0800 | [diff] [blame] | 1417 | int ret; |
| 1418 | |
| 1419 | ret = skb_cow_head(skb, 0); |
| 1420 | if (ret) |
| 1421 | return ret; |
hayeswang | 6128d1bb | 2014-03-07 11:04:40 +0800 | [diff] [blame] | 1422 | |
| 1423 | ipv6h = ipv6_hdr(skb); |
| 1424 | th = tcp_hdr(skb); |
| 1425 | |
| 1426 | th->check = 0; |
| 1427 | th->check = ~tcp_v6_check(0, &ipv6h->saddr, &ipv6h->daddr, 0); |
| 1428 | |
hayeswang | fcb308d | 2014-03-11 10:20:32 +0800 | [diff] [blame] | 1429 | return ret; |
hayeswang | 6128d1bb | 2014-03-07 11:04:40 +0800 | [diff] [blame] | 1430 | } |
| 1431 | |
hayeswang | 60c8907 | 2014-03-07 11:04:39 +0800 | [diff] [blame] | 1432 | static int r8152_tx_csum(struct r8152 *tp, struct tx_desc *desc, |
| 1433 | struct sk_buff *skb, u32 len, u32 transport_offset) |
| 1434 | { |
| 1435 | u32 mss = skb_shinfo(skb)->gso_size; |
| 1436 | u32 opts1, opts2 = 0; |
| 1437 | int ret = TX_CSUM_SUCCESS; |
| 1438 | |
| 1439 | WARN_ON_ONCE(len > TX_LEN_MAX); |
| 1440 | |
| 1441 | opts1 = len | TX_FS | TX_LS; |
| 1442 | |
| 1443 | if (mss) { |
hayeswang | 6128d1bb | 2014-03-07 11:04:40 +0800 | [diff] [blame] | 1444 | if (transport_offset > GTTCPHO_MAX) { |
| 1445 | netif_warn(tp, tx_err, tp->netdev, |
| 1446 | "Invalid transport offset 0x%x for TSO\n", |
| 1447 | transport_offset); |
| 1448 | ret = TX_CSUM_TSO; |
| 1449 | goto unavailable; |
| 1450 | } |
| 1451 | |
hayeswang | 60c8907 | 2014-03-07 11:04:39 +0800 | [diff] [blame] | 1452 | switch (get_protocol(skb)) { |
| 1453 | case htons(ETH_P_IP): |
| 1454 | opts1 |= GTSENDV4; |
| 1455 | break; |
| 1456 | |
hayeswang | 6128d1bb | 2014-03-07 11:04:40 +0800 | [diff] [blame] | 1457 | case htons(ETH_P_IPV6): |
hayeswang | fcb308d | 2014-03-11 10:20:32 +0800 | [diff] [blame] | 1458 | if (msdn_giant_send_check(skb)) { |
| 1459 | ret = TX_CSUM_TSO; |
| 1460 | goto unavailable; |
| 1461 | } |
hayeswang | 6128d1bb | 2014-03-07 11:04:40 +0800 | [diff] [blame] | 1462 | opts1 |= GTSENDV6; |
hayeswang | 6128d1bb | 2014-03-07 11:04:40 +0800 | [diff] [blame] | 1463 | break; |
| 1464 | |
hayeswang | 60c8907 | 2014-03-07 11:04:39 +0800 | [diff] [blame] | 1465 | default: |
| 1466 | WARN_ON_ONCE(1); |
| 1467 | break; |
| 1468 | } |
| 1469 | |
| 1470 | opts1 |= transport_offset << GTTCPHO_SHIFT; |
| 1471 | opts2 |= min(mss, MSS_MAX) << MSS_SHIFT; |
| 1472 | } else if (skb->ip_summed == CHECKSUM_PARTIAL) { |
hayeswang | 5bd2388 | 2013-08-14 20:54:39 +0800 | [diff] [blame] | 1473 | u8 ip_protocol; |
hayeswang | 5bd2388 | 2013-08-14 20:54:39 +0800 | [diff] [blame] | 1474 | |
hayeswang | 6128d1bb | 2014-03-07 11:04:40 +0800 | [diff] [blame] | 1475 | if (transport_offset > TCPHO_MAX) { |
| 1476 | netif_warn(tp, tx_err, tp->netdev, |
| 1477 | "Invalid transport offset 0x%x\n", |
| 1478 | transport_offset); |
| 1479 | ret = TX_CSUM_NONE; |
| 1480 | goto unavailable; |
| 1481 | } |
| 1482 | |
hayeswang | 60c8907 | 2014-03-07 11:04:39 +0800 | [diff] [blame] | 1483 | switch (get_protocol(skb)) { |
hayeswang | 5bd2388 | 2013-08-14 20:54:39 +0800 | [diff] [blame] | 1484 | case htons(ETH_P_IP): |
| 1485 | opts2 |= IPV4_CS; |
| 1486 | ip_protocol = ip_hdr(skb)->protocol; |
| 1487 | break; |
| 1488 | |
| 1489 | case htons(ETH_P_IPV6): |
| 1490 | opts2 |= IPV6_CS; |
| 1491 | ip_protocol = ipv6_hdr(skb)->nexthdr; |
| 1492 | break; |
| 1493 | |
| 1494 | default: |
| 1495 | ip_protocol = IPPROTO_RAW; |
| 1496 | break; |
| 1497 | } |
| 1498 | |
hayeswang | 60c8907 | 2014-03-07 11:04:39 +0800 | [diff] [blame] | 1499 | if (ip_protocol == IPPROTO_TCP) |
hayeswang | 5bd2388 | 2013-08-14 20:54:39 +0800 | [diff] [blame] | 1500 | opts2 |= TCP_CS; |
hayeswang | 60c8907 | 2014-03-07 11:04:39 +0800 | [diff] [blame] | 1501 | else if (ip_protocol == IPPROTO_UDP) |
hayeswang | 5bd2388 | 2013-08-14 20:54:39 +0800 | [diff] [blame] | 1502 | opts2 |= UDP_CS; |
hayeswang | 60c8907 | 2014-03-07 11:04:39 +0800 | [diff] [blame] | 1503 | else |
hayeswang | 5bd2388 | 2013-08-14 20:54:39 +0800 | [diff] [blame] | 1504 | WARN_ON_ONCE(1); |
hayeswang | 5bd2388 | 2013-08-14 20:54:39 +0800 | [diff] [blame] | 1505 | |
hayeswang | 60c8907 | 2014-03-07 11:04:39 +0800 | [diff] [blame] | 1506 | opts2 |= transport_offset << TCPHO_SHIFT; |
hayeswang | 5bd2388 | 2013-08-14 20:54:39 +0800 | [diff] [blame] | 1507 | } |
hayeswang | 60c8907 | 2014-03-07 11:04:39 +0800 | [diff] [blame] | 1508 | |
| 1509 | desc->opts2 = cpu_to_le32(opts2); |
| 1510 | desc->opts1 = cpu_to_le32(opts1); |
| 1511 | |
hayeswang | 6128d1bb | 2014-03-07 11:04:40 +0800 | [diff] [blame] | 1512 | unavailable: |
hayeswang | 60c8907 | 2014-03-07 11:04:39 +0800 | [diff] [blame] | 1513 | return ret; |
hayeswang | 5bd2388 | 2013-08-14 20:54:39 +0800 | [diff] [blame] | 1514 | } |
| 1515 | |
hayeswang | b1379d9 | 2013-08-16 16:09:37 +0800 | [diff] [blame] | 1516 | static int r8152_tx_agg_fill(struct r8152 *tp, struct tx_agg *agg) |
| 1517 | { |
hayeswang | d84130a | 2014-02-18 21:49:02 +0800 | [diff] [blame] | 1518 | struct sk_buff_head skb_head, *tx_queue = &tp->tx_queue; |
hayeswang | 9a4be1b | 2014-02-18 21:49:07 +0800 | [diff] [blame] | 1519 | int remain, ret; |
hayeswang | b1379d9 | 2013-08-16 16:09:37 +0800 | [diff] [blame] | 1520 | u8 *tx_data; |
| 1521 | |
hayeswang | d84130a | 2014-02-18 21:49:02 +0800 | [diff] [blame] | 1522 | __skb_queue_head_init(&skb_head); |
hayeswang | 0c3121f | 2014-03-07 11:04:36 +0800 | [diff] [blame] | 1523 | spin_lock(&tx_queue->lock); |
hayeswang | d84130a | 2014-02-18 21:49:02 +0800 | [diff] [blame] | 1524 | skb_queue_splice_init(tx_queue, &skb_head); |
hayeswang | 0c3121f | 2014-03-07 11:04:36 +0800 | [diff] [blame] | 1525 | spin_unlock(&tx_queue->lock); |
hayeswang | d84130a | 2014-02-18 21:49:02 +0800 | [diff] [blame] | 1526 | |
hayeswang | b1379d9 | 2013-08-16 16:09:37 +0800 | [diff] [blame] | 1527 | tx_data = agg->head; |
| 1528 | agg->skb_num = agg->skb_len = 0; |
hayeswang | 7937f9e | 2013-11-20 17:30:54 +0800 | [diff] [blame] | 1529 | remain = rx_buf_sz; |
hayeswang | b1379d9 | 2013-08-16 16:09:37 +0800 | [diff] [blame] | 1530 | |
hayeswang | 7937f9e | 2013-11-20 17:30:54 +0800 | [diff] [blame] | 1531 | while (remain >= ETH_ZLEN + sizeof(struct tx_desc)) { |
hayeswang | b1379d9 | 2013-08-16 16:09:37 +0800 | [diff] [blame] | 1532 | struct tx_desc *tx_desc; |
| 1533 | struct sk_buff *skb; |
| 1534 | unsigned int len; |
hayeswang | 60c8907 | 2014-03-07 11:04:39 +0800 | [diff] [blame] | 1535 | u32 offset; |
hayeswang | b1379d9 | 2013-08-16 16:09:37 +0800 | [diff] [blame] | 1536 | |
hayeswang | d84130a | 2014-02-18 21:49:02 +0800 | [diff] [blame] | 1537 | skb = __skb_dequeue(&skb_head); |
hayeswang | b1379d9 | 2013-08-16 16:09:37 +0800 | [diff] [blame] | 1538 | if (!skb) |
| 1539 | break; |
| 1540 | |
hayeswang | 60c8907 | 2014-03-07 11:04:39 +0800 | [diff] [blame] | 1541 | len = skb->len + sizeof(*tx_desc); |
| 1542 | |
| 1543 | if (len > remain) { |
hayeswang | d84130a | 2014-02-18 21:49:02 +0800 | [diff] [blame] | 1544 | __skb_queue_head(&skb_head, skb); |
hayeswang | b1379d9 | 2013-08-16 16:09:37 +0800 | [diff] [blame] | 1545 | break; |
| 1546 | } |
| 1547 | |
hayeswang | 7937f9e | 2013-11-20 17:30:54 +0800 | [diff] [blame] | 1548 | tx_data = tx_agg_align(tx_data); |
hayeswang | b1379d9 | 2013-08-16 16:09:37 +0800 | [diff] [blame] | 1549 | tx_desc = (struct tx_desc *)tx_data; |
hayeswang | 60c8907 | 2014-03-07 11:04:39 +0800 | [diff] [blame] | 1550 | |
| 1551 | offset = (u32)skb_transport_offset(skb); |
| 1552 | |
hayeswang | 6128d1bb | 2014-03-07 11:04:40 +0800 | [diff] [blame] | 1553 | if (r8152_tx_csum(tp, tx_desc, skb, skb->len, offset)) { |
| 1554 | r8152_csum_workaround(tp, skb, &skb_head); |
| 1555 | continue; |
| 1556 | } |
hayeswang | 60c8907 | 2014-03-07 11:04:39 +0800 | [diff] [blame] | 1557 | |
hayeswang | b1379d9 | 2013-08-16 16:09:37 +0800 | [diff] [blame] | 1558 | tx_data += sizeof(*tx_desc); |
| 1559 | |
hayeswang | 60c8907 | 2014-03-07 11:04:39 +0800 | [diff] [blame] | 1560 | len = skb->len; |
| 1561 | if (skb_copy_bits(skb, 0, tx_data, len) < 0) { |
| 1562 | struct net_device_stats *stats = &tp->netdev->stats; |
| 1563 | |
| 1564 | stats->tx_dropped++; |
| 1565 | dev_kfree_skb_any(skb); |
| 1566 | tx_data -= sizeof(*tx_desc); |
| 1567 | continue; |
| 1568 | } |
hayeswang | b1379d9 | 2013-08-16 16:09:37 +0800 | [diff] [blame] | 1569 | |
hayeswang | 7937f9e | 2013-11-20 17:30:54 +0800 | [diff] [blame] | 1570 | tx_data += len; |
hayeswang | 60c8907 | 2014-03-07 11:04:39 +0800 | [diff] [blame] | 1571 | agg->skb_len += len; |
| 1572 | agg->skb_num++; |
| 1573 | |
| 1574 | dev_kfree_skb_any(skb); |
| 1575 | |
hayeswang | 7937f9e | 2013-11-20 17:30:54 +0800 | [diff] [blame] | 1576 | remain = rx_buf_sz - (int)(tx_agg_align(tx_data) - agg->head); |
hayeswang | b1379d9 | 2013-08-16 16:09:37 +0800 | [diff] [blame] | 1577 | } |
| 1578 | |
hayeswang | d84130a | 2014-02-18 21:49:02 +0800 | [diff] [blame] | 1579 | if (!skb_queue_empty(&skb_head)) { |
hayeswang | 0c3121f | 2014-03-07 11:04:36 +0800 | [diff] [blame] | 1580 | spin_lock(&tx_queue->lock); |
hayeswang | d84130a | 2014-02-18 21:49:02 +0800 | [diff] [blame] | 1581 | skb_queue_splice(&skb_head, tx_queue); |
hayeswang | 0c3121f | 2014-03-07 11:04:36 +0800 | [diff] [blame] | 1582 | spin_unlock(&tx_queue->lock); |
hayeswang | d84130a | 2014-02-18 21:49:02 +0800 | [diff] [blame] | 1583 | } |
| 1584 | |
hayeswang | 0c3121f | 2014-03-07 11:04:36 +0800 | [diff] [blame] | 1585 | netif_tx_lock(tp->netdev); |
hayeswang | dd1b119 | 2013-11-20 17:30:56 +0800 | [diff] [blame] | 1586 | |
| 1587 | if (netif_queue_stopped(tp->netdev) && |
| 1588 | skb_queue_len(&tp->tx_queue) < tp->tx_qlen) |
| 1589 | netif_wake_queue(tp->netdev); |
| 1590 | |
hayeswang | 0c3121f | 2014-03-07 11:04:36 +0800 | [diff] [blame] | 1591 | netif_tx_unlock(tp->netdev); |
hayeswang | 9a4be1b | 2014-02-18 21:49:07 +0800 | [diff] [blame] | 1592 | |
hayeswang | 0c3121f | 2014-03-07 11:04:36 +0800 | [diff] [blame] | 1593 | ret = usb_autopm_get_interface_async(tp->intf); |
hayeswang | 9a4be1b | 2014-02-18 21:49:07 +0800 | [diff] [blame] | 1594 | if (ret < 0) |
| 1595 | goto out_tx_fill; |
hayeswang | dd1b119 | 2013-11-20 17:30:56 +0800 | [diff] [blame] | 1596 | |
hayeswang | b1379d9 | 2013-08-16 16:09:37 +0800 | [diff] [blame] | 1597 | usb_fill_bulk_urb(agg->urb, tp->udev, usb_sndbulkpipe(tp->udev, 2), |
| 1598 | agg->head, (int)(tx_data - (u8 *)agg->head), |
| 1599 | (usb_complete_t)write_bulk_callback, agg); |
| 1600 | |
hayeswang | 0c3121f | 2014-03-07 11:04:36 +0800 | [diff] [blame] | 1601 | ret = usb_submit_urb(agg->urb, GFP_ATOMIC); |
hayeswang | 9a4be1b | 2014-02-18 21:49:07 +0800 | [diff] [blame] | 1602 | if (ret < 0) |
hayeswang | 0c3121f | 2014-03-07 11:04:36 +0800 | [diff] [blame] | 1603 | usb_autopm_put_interface_async(tp->intf); |
hayeswang | 9a4be1b | 2014-02-18 21:49:07 +0800 | [diff] [blame] | 1604 | |
| 1605 | out_tx_fill: |
| 1606 | return ret; |
hayeswang | b1379d9 | 2013-08-16 16:09:37 +0800 | [diff] [blame] | 1607 | } |
| 1608 | |
hayeswang | 565cab0 | 2014-03-07 11:04:38 +0800 | [diff] [blame] | 1609 | static u8 r8152_rx_csum(struct r8152 *tp, struct rx_desc *rx_desc) |
| 1610 | { |
| 1611 | u8 checksum = CHECKSUM_NONE; |
| 1612 | u32 opts2, opts3; |
| 1613 | |
| 1614 | if (tp->version == RTL_VER_01) |
| 1615 | goto return_result; |
| 1616 | |
| 1617 | opts2 = le32_to_cpu(rx_desc->opts2); |
| 1618 | opts3 = le32_to_cpu(rx_desc->opts3); |
| 1619 | |
| 1620 | if (opts2 & RD_IPV4_CS) { |
| 1621 | if (opts3 & IPF) |
| 1622 | checksum = CHECKSUM_NONE; |
| 1623 | else if ((opts2 & RD_UDP_CS) && (opts3 & UDPF)) |
| 1624 | checksum = CHECKSUM_NONE; |
| 1625 | else if ((opts2 & RD_TCP_CS) && (opts3 & TCPF)) |
| 1626 | checksum = CHECKSUM_NONE; |
| 1627 | else |
| 1628 | checksum = CHECKSUM_UNNECESSARY; |
hayeswang | 6128d1bb | 2014-03-07 11:04:40 +0800 | [diff] [blame] | 1629 | } else if (RD_IPV6_CS) { |
| 1630 | if ((opts2 & RD_UDP_CS) && !(opts3 & UDPF)) |
| 1631 | checksum = CHECKSUM_UNNECESSARY; |
| 1632 | else if ((opts2 & RD_TCP_CS) && !(opts3 & TCPF)) |
| 1633 | checksum = CHECKSUM_UNNECESSARY; |
hayeswang | 565cab0 | 2014-03-07 11:04:38 +0800 | [diff] [blame] | 1634 | } |
| 1635 | |
| 1636 | return_result: |
| 1637 | return checksum; |
| 1638 | } |
| 1639 | |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1640 | static void rx_bottom(struct r8152 *tp) |
| 1641 | { |
hayeswang | a5a4f46 | 2013-08-16 16:09:34 +0800 | [diff] [blame] | 1642 | unsigned long flags; |
hayeswang | d84130a | 2014-02-18 21:49:02 +0800 | [diff] [blame] | 1643 | struct list_head *cursor, *next, rx_queue; |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1644 | |
hayeswang | d84130a | 2014-02-18 21:49:02 +0800 | [diff] [blame] | 1645 | if (list_empty(&tp->rx_done)) |
| 1646 | return; |
| 1647 | |
| 1648 | INIT_LIST_HEAD(&rx_queue); |
hayeswang | a5a4f46 | 2013-08-16 16:09:34 +0800 | [diff] [blame] | 1649 | spin_lock_irqsave(&tp->rx_lock, flags); |
hayeswang | d84130a | 2014-02-18 21:49:02 +0800 | [diff] [blame] | 1650 | list_splice_init(&tp->rx_done, &rx_queue); |
| 1651 | spin_unlock_irqrestore(&tp->rx_lock, flags); |
| 1652 | |
| 1653 | list_for_each_safe(cursor, next, &rx_queue) { |
hayeswang | 43a4478 | 2013-08-16 16:09:36 +0800 | [diff] [blame] | 1654 | struct rx_desc *rx_desc; |
| 1655 | struct rx_agg *agg; |
hayeswang | 43a4478 | 2013-08-16 16:09:36 +0800 | [diff] [blame] | 1656 | int len_used = 0; |
| 1657 | struct urb *urb; |
| 1658 | u8 *rx_data; |
| 1659 | int ret; |
| 1660 | |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1661 | list_del_init(cursor); |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1662 | |
| 1663 | agg = list_entry(cursor, struct rx_agg, list); |
| 1664 | urb = agg->urb; |
hayeswang | 0de98f6 | 2013-08-16 16:09:35 +0800 | [diff] [blame] | 1665 | if (urb->actual_length < ETH_ZLEN) |
| 1666 | goto submit; |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1667 | |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1668 | rx_desc = agg->head; |
| 1669 | rx_data = agg->head; |
hayeswang | 7937f9e | 2013-11-20 17:30:54 +0800 | [diff] [blame] | 1670 | len_used += sizeof(struct rx_desc); |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1671 | |
hayeswang | 7937f9e | 2013-11-20 17:30:54 +0800 | [diff] [blame] | 1672 | while (urb->actual_length > len_used) { |
hayeswang | 43a4478 | 2013-08-16 16:09:36 +0800 | [diff] [blame] | 1673 | struct net_device *netdev = tp->netdev; |
hayeswang | 05e0f1a | 2014-03-06 15:07:18 +0800 | [diff] [blame] | 1674 | struct net_device_stats *stats = &netdev->stats; |
hayeswang | 7937f9e | 2013-11-20 17:30:54 +0800 | [diff] [blame] | 1675 | unsigned int pkt_len; |
hayeswang | 43a4478 | 2013-08-16 16:09:36 +0800 | [diff] [blame] | 1676 | struct sk_buff *skb; |
| 1677 | |
hayeswang | 7937f9e | 2013-11-20 17:30:54 +0800 | [diff] [blame] | 1678 | pkt_len = le32_to_cpu(rx_desc->opts1) & RX_LEN_MASK; |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1679 | if (pkt_len < ETH_ZLEN) |
| 1680 | break; |
| 1681 | |
hayeswang | 7937f9e | 2013-11-20 17:30:54 +0800 | [diff] [blame] | 1682 | len_used += pkt_len; |
| 1683 | if (urb->actual_length < len_used) |
| 1684 | break; |
| 1685 | |
hayeswang | 8e1f51b | 2014-01-02 11:22:41 +0800 | [diff] [blame] | 1686 | pkt_len -= CRC_SIZE; |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1687 | rx_data += sizeof(struct rx_desc); |
| 1688 | |
| 1689 | skb = netdev_alloc_skb_ip_align(netdev, pkt_len); |
| 1690 | if (!skb) { |
| 1691 | stats->rx_dropped++; |
hayeswang | 5e2f748 | 2014-03-07 11:04:37 +0800 | [diff] [blame] | 1692 | goto find_next_rx; |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1693 | } |
hayeswang | 565cab0 | 2014-03-07 11:04:38 +0800 | [diff] [blame] | 1694 | |
| 1695 | skb->ip_summed = r8152_rx_csum(tp, rx_desc); |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1696 | memcpy(skb->data, rx_data, pkt_len); |
| 1697 | skb_put(skb, pkt_len); |
| 1698 | skb->protocol = eth_type_trans(skb, netdev); |
hayeswang | 9d9aafa | 2014-02-18 21:49:09 +0800 | [diff] [blame] | 1699 | netif_receive_skb(skb); |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1700 | stats->rx_packets++; |
| 1701 | stats->rx_bytes += pkt_len; |
| 1702 | |
hayeswang | 5e2f748 | 2014-03-07 11:04:37 +0800 | [diff] [blame] | 1703 | find_next_rx: |
hayeswang | 8e1f51b | 2014-01-02 11:22:41 +0800 | [diff] [blame] | 1704 | rx_data = rx_agg_align(rx_data + pkt_len + CRC_SIZE); |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1705 | rx_desc = (struct rx_desc *)rx_data; |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1706 | len_used = (int)(rx_data - (u8 *)agg->head); |
hayeswang | 7937f9e | 2013-11-20 17:30:54 +0800 | [diff] [blame] | 1707 | len_used += sizeof(struct rx_desc); |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1708 | } |
| 1709 | |
hayeswang | 0de98f6 | 2013-08-16 16:09:35 +0800 | [diff] [blame] | 1710 | submit: |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1711 | ret = r8152_submit_rx(tp, agg, GFP_ATOMIC); |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1712 | if (ret && ret != -ENODEV) { |
hayeswang | d84130a | 2014-02-18 21:49:02 +0800 | [diff] [blame] | 1713 | spin_lock_irqsave(&tp->rx_lock, flags); |
| 1714 | list_add_tail(&agg->list, &tp->rx_done); |
| 1715 | spin_unlock_irqrestore(&tp->rx_lock, flags); |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1716 | tasklet_schedule(&tp->tl); |
| 1717 | } |
| 1718 | } |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1719 | } |
| 1720 | |
| 1721 | static void tx_bottom(struct r8152 *tp) |
| 1722 | { |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1723 | int res; |
| 1724 | |
hayeswang | b1379d9 | 2013-08-16 16:09:37 +0800 | [diff] [blame] | 1725 | do { |
| 1726 | struct tx_agg *agg; |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1727 | |
hayeswang | b1379d9 | 2013-08-16 16:09:37 +0800 | [diff] [blame] | 1728 | if (skb_queue_empty(&tp->tx_queue)) |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1729 | break; |
| 1730 | |
hayeswang | b1379d9 | 2013-08-16 16:09:37 +0800 | [diff] [blame] | 1731 | agg = r8152_get_tx_agg(tp); |
| 1732 | if (!agg) |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1733 | break; |
hayeswang | b1379d9 | 2013-08-16 16:09:37 +0800 | [diff] [blame] | 1734 | |
| 1735 | res = r8152_tx_agg_fill(tp, agg); |
| 1736 | if (res) { |
hayeswang | 05e0f1a | 2014-03-06 15:07:18 +0800 | [diff] [blame] | 1737 | struct net_device *netdev = tp->netdev; |
hayeswang | b1379d9 | 2013-08-16 16:09:37 +0800 | [diff] [blame] | 1738 | |
| 1739 | if (res == -ENODEV) { |
| 1740 | netif_device_detach(netdev); |
| 1741 | } else { |
hayeswang | 05e0f1a | 2014-03-06 15:07:18 +0800 | [diff] [blame] | 1742 | struct net_device_stats *stats = &netdev->stats; |
| 1743 | unsigned long flags; |
| 1744 | |
hayeswang | b1379d9 | 2013-08-16 16:09:37 +0800 | [diff] [blame] | 1745 | netif_warn(tp, tx_err, netdev, |
| 1746 | "failed tx_urb %d\n", res); |
| 1747 | stats->tx_dropped += agg->skb_num; |
hayeswang | db8515e | 2014-03-06 15:07:16 +0800 | [diff] [blame] | 1748 | |
hayeswang | b1379d9 | 2013-08-16 16:09:37 +0800 | [diff] [blame] | 1749 | spin_lock_irqsave(&tp->tx_lock, flags); |
| 1750 | list_add_tail(&agg->list, &tp->tx_free); |
| 1751 | spin_unlock_irqrestore(&tp->tx_lock, flags); |
| 1752 | } |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1753 | } |
hayeswang | b1379d9 | 2013-08-16 16:09:37 +0800 | [diff] [blame] | 1754 | } while (res == 0); |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1755 | } |
| 1756 | |
| 1757 | static void bottom_half(unsigned long data) |
| 1758 | { |
| 1759 | struct r8152 *tp; |
| 1760 | |
| 1761 | tp = (struct r8152 *)data; |
| 1762 | |
| 1763 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) |
| 1764 | return; |
| 1765 | |
| 1766 | if (!test_bit(WORK_ENABLE, &tp->flags)) |
| 1767 | return; |
| 1768 | |
hayeswang | 7559fb2f | 2013-08-16 16:09:38 +0800 | [diff] [blame] | 1769 | /* When link down, the driver would cancel all bulks. */ |
| 1770 | /* This avoid the re-submitting bulk */ |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1771 | if (!netif_carrier_ok(tp->netdev)) |
| 1772 | return; |
| 1773 | |
| 1774 | rx_bottom(tp); |
hayeswang | 0c3121f | 2014-03-07 11:04:36 +0800 | [diff] [blame] | 1775 | tx_bottom(tp); |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1776 | } |
| 1777 | |
| 1778 | static |
| 1779 | int r8152_submit_rx(struct r8152 *tp, struct rx_agg *agg, gfp_t mem_flags) |
| 1780 | { |
| 1781 | usb_fill_bulk_urb(agg->urb, tp->udev, usb_rcvbulkpipe(tp->udev, 1), |
| 1782 | agg->head, rx_buf_sz, |
| 1783 | (usb_complete_t)read_bulk_callback, agg); |
| 1784 | |
| 1785 | return usb_submit_urb(agg->urb, mem_flags); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 1786 | } |
| 1787 | |
hayeswang | 00a5e36 | 2014-02-18 21:48:59 +0800 | [diff] [blame] | 1788 | static void rtl_drop_queued_tx(struct r8152 *tp) |
| 1789 | { |
| 1790 | struct net_device_stats *stats = &tp->netdev->stats; |
hayeswang | d84130a | 2014-02-18 21:49:02 +0800 | [diff] [blame] | 1791 | struct sk_buff_head skb_head, *tx_queue = &tp->tx_queue; |
hayeswang | 00a5e36 | 2014-02-18 21:48:59 +0800 | [diff] [blame] | 1792 | struct sk_buff *skb; |
| 1793 | |
hayeswang | d84130a | 2014-02-18 21:49:02 +0800 | [diff] [blame] | 1794 | if (skb_queue_empty(tx_queue)) |
| 1795 | return; |
| 1796 | |
| 1797 | __skb_queue_head_init(&skb_head); |
hayeswang | 2685d41 | 2014-03-07 11:04:34 +0800 | [diff] [blame] | 1798 | spin_lock_bh(&tx_queue->lock); |
hayeswang | d84130a | 2014-02-18 21:49:02 +0800 | [diff] [blame] | 1799 | skb_queue_splice_init(tx_queue, &skb_head); |
hayeswang | 2685d41 | 2014-03-07 11:04:34 +0800 | [diff] [blame] | 1800 | spin_unlock_bh(&tx_queue->lock); |
hayeswang | d84130a | 2014-02-18 21:49:02 +0800 | [diff] [blame] | 1801 | |
| 1802 | while ((skb = __skb_dequeue(&skb_head))) { |
hayeswang | 00a5e36 | 2014-02-18 21:48:59 +0800 | [diff] [blame] | 1803 | dev_kfree_skb(skb); |
| 1804 | stats->tx_dropped++; |
| 1805 | } |
| 1806 | } |
| 1807 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 1808 | static void rtl8152_tx_timeout(struct net_device *netdev) |
| 1809 | { |
| 1810 | struct r8152 *tp = netdev_priv(netdev); |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1811 | int i; |
| 1812 | |
Hayes Wang | 4a8deae | 2014-01-07 11:18:22 +0800 | [diff] [blame] | 1813 | netif_warn(tp, tx_err, netdev, "Tx timeout\n"); |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1814 | for (i = 0; i < RTL8152_MAX_TX; i++) |
| 1815 | usb_unlink_urb(tp->tx_info[i].urb); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 1816 | } |
| 1817 | |
| 1818 | static void rtl8152_set_rx_mode(struct net_device *netdev) |
| 1819 | { |
| 1820 | struct r8152 *tp = netdev_priv(netdev); |
| 1821 | |
hayeswang | 40a8291 | 2013-08-14 20:54:40 +0800 | [diff] [blame] | 1822 | if (tp->speed & LINK_STATUS) { |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 1823 | set_bit(RTL8152_SET_RX_MODE, &tp->flags); |
hayeswang | 40a8291 | 2013-08-14 20:54:40 +0800 | [diff] [blame] | 1824 | schedule_delayed_work(&tp->schedule, 0); |
| 1825 | } |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 1826 | } |
| 1827 | |
| 1828 | static void _rtl8152_set_rx_mode(struct net_device *netdev) |
| 1829 | { |
| 1830 | struct r8152 *tp = netdev_priv(netdev); |
hayeswang | 31787f5 | 2013-07-31 17:21:25 +0800 | [diff] [blame] | 1831 | u32 mc_filter[2]; /* Multicast hash filter */ |
| 1832 | __le32 tmp[2]; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 1833 | u32 ocp_data; |
| 1834 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 1835 | clear_bit(RTL8152_SET_RX_MODE, &tp->flags); |
| 1836 | netif_stop_queue(netdev); |
| 1837 | ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR); |
| 1838 | ocp_data &= ~RCR_ACPT_ALL; |
| 1839 | ocp_data |= RCR_AB | RCR_APM; |
| 1840 | |
| 1841 | if (netdev->flags & IFF_PROMISC) { |
| 1842 | /* Unconditionally log net taps. */ |
| 1843 | netif_notice(tp, link, netdev, "Promiscuous mode enabled\n"); |
| 1844 | ocp_data |= RCR_AM | RCR_AAP; |
| 1845 | mc_filter[1] = mc_filter[0] = 0xffffffff; |
| 1846 | } else if ((netdev_mc_count(netdev) > multicast_filter_limit) || |
| 1847 | (netdev->flags & IFF_ALLMULTI)) { |
| 1848 | /* Too many to filter perfectly -- accept all multicasts. */ |
| 1849 | ocp_data |= RCR_AM; |
| 1850 | mc_filter[1] = mc_filter[0] = 0xffffffff; |
| 1851 | } else { |
| 1852 | struct netdev_hw_addr *ha; |
| 1853 | |
| 1854 | mc_filter[1] = mc_filter[0] = 0; |
| 1855 | netdev_for_each_mc_addr(ha, netdev) { |
| 1856 | int bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26; |
| 1857 | mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31); |
| 1858 | ocp_data |= RCR_AM; |
| 1859 | } |
| 1860 | } |
| 1861 | |
hayeswang | 31787f5 | 2013-07-31 17:21:25 +0800 | [diff] [blame] | 1862 | tmp[0] = __cpu_to_le32(swab32(mc_filter[1])); |
| 1863 | tmp[1] = __cpu_to_le32(swab32(mc_filter[0])); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 1864 | |
hayeswang | 31787f5 | 2013-07-31 17:21:25 +0800 | [diff] [blame] | 1865 | pla_ocp_write(tp, PLA_MAR, BYTE_EN_DWORD, sizeof(tmp), tmp); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 1866 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data); |
| 1867 | netif_wake_queue(netdev); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 1868 | } |
| 1869 | |
| 1870 | static netdev_tx_t rtl8152_start_xmit(struct sk_buff *skb, |
hayeswang | 0c3121f | 2014-03-07 11:04:36 +0800 | [diff] [blame] | 1871 | struct net_device *netdev) |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 1872 | { |
| 1873 | struct r8152 *tp = netdev_priv(netdev); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 1874 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 1875 | skb_tx_timestamp(skb); |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1876 | |
hayeswang | 6159878 | 2013-11-20 17:30:55 +0800 | [diff] [blame] | 1877 | skb_queue_tail(&tp->tx_queue, skb); |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1878 | |
hayeswang | 0c3121f | 2014-03-07 11:04:36 +0800 | [diff] [blame] | 1879 | if (!list_empty(&tp->tx_free)) { |
| 1880 | if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) { |
| 1881 | set_bit(SCHEDULE_TASKLET, &tp->flags); |
| 1882 | schedule_delayed_work(&tp->schedule, 0); |
| 1883 | } else { |
| 1884 | usb_mark_last_busy(tp->udev); |
| 1885 | tasklet_schedule(&tp->tl); |
| 1886 | } |
| 1887 | } else if (skb_queue_len(&tp->tx_queue) > tp->tx_qlen) |
hayeswang | dd1b119 | 2013-11-20 17:30:56 +0800 | [diff] [blame] | 1888 | netif_stop_queue(netdev); |
| 1889 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 1890 | return NETDEV_TX_OK; |
| 1891 | } |
| 1892 | |
| 1893 | static void r8152b_reset_packet_filter(struct r8152 *tp) |
| 1894 | { |
| 1895 | u32 ocp_data; |
| 1896 | |
| 1897 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_FMC); |
| 1898 | ocp_data &= ~FMC_FCR_MCU_EN; |
| 1899 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_FMC, ocp_data); |
| 1900 | ocp_data |= FMC_FCR_MCU_EN; |
| 1901 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_FMC, ocp_data); |
| 1902 | } |
| 1903 | |
| 1904 | static void rtl8152_nic_reset(struct r8152 *tp) |
| 1905 | { |
| 1906 | int i; |
| 1907 | |
| 1908 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CR, CR_RST); |
| 1909 | |
| 1910 | for (i = 0; i < 1000; i++) { |
| 1911 | if (!(ocp_read_byte(tp, MCU_TYPE_PLA, PLA_CR) & CR_RST)) |
| 1912 | break; |
| 1913 | udelay(100); |
| 1914 | } |
| 1915 | } |
| 1916 | |
hayeswang | dd1b119 | 2013-11-20 17:30:56 +0800 | [diff] [blame] | 1917 | static void set_tx_qlen(struct r8152 *tp) |
| 1918 | { |
| 1919 | struct net_device *netdev = tp->netdev; |
| 1920 | |
| 1921 | tp->tx_qlen = rx_buf_sz / (netdev->mtu + VLAN_ETH_HLEN + VLAN_HLEN + |
| 1922 | sizeof(struct tx_desc)); |
| 1923 | } |
| 1924 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 1925 | static inline u8 rtl8152_get_speed(struct r8152 *tp) |
| 1926 | { |
| 1927 | return ocp_read_byte(tp, MCU_TYPE_PLA, PLA_PHYSTATUS); |
| 1928 | } |
| 1929 | |
hayeswang | 507605a | 2014-01-02 11:22:43 +0800 | [diff] [blame] | 1930 | static void rtl_set_eee_plus(struct r8152 *tp) |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 1931 | { |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1932 | u32 ocp_data; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 1933 | u8 speed; |
| 1934 | |
| 1935 | speed = rtl8152_get_speed(tp); |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1936 | if (speed & _10bps) { |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 1937 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR); |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1938 | ocp_data |= EEEP_CR_EEEP_TX; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 1939 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR, ocp_data); |
| 1940 | } else { |
| 1941 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR); |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 1942 | ocp_data &= ~EEEP_CR_EEEP_TX; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 1943 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR, ocp_data); |
| 1944 | } |
hayeswang | 507605a | 2014-01-02 11:22:43 +0800 | [diff] [blame] | 1945 | } |
| 1946 | |
hayeswang | 00a5e36 | 2014-02-18 21:48:59 +0800 | [diff] [blame] | 1947 | static void rxdy_gated_en(struct r8152 *tp, bool enable) |
| 1948 | { |
| 1949 | u32 ocp_data; |
| 1950 | |
| 1951 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MISC_1); |
| 1952 | if (enable) |
| 1953 | ocp_data |= RXDY_GATED_EN; |
| 1954 | else |
| 1955 | ocp_data &= ~RXDY_GATED_EN; |
| 1956 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_MISC_1, ocp_data); |
| 1957 | } |
| 1958 | |
hayeswang | 445f7f4 | 2014-09-23 16:31:47 +0800 | [diff] [blame] | 1959 | static int rtl_start_rx(struct r8152 *tp) |
| 1960 | { |
| 1961 | int i, ret = 0; |
| 1962 | |
| 1963 | INIT_LIST_HEAD(&tp->rx_done); |
| 1964 | for (i = 0; i < RTL8152_MAX_RX; i++) { |
| 1965 | INIT_LIST_HEAD(&tp->rx_info[i].list); |
| 1966 | ret = r8152_submit_rx(tp, &tp->rx_info[i], GFP_KERNEL); |
| 1967 | if (ret) |
| 1968 | break; |
| 1969 | } |
| 1970 | |
| 1971 | return ret; |
| 1972 | } |
| 1973 | |
| 1974 | static int rtl_stop_rx(struct r8152 *tp) |
| 1975 | { |
| 1976 | int i; |
| 1977 | |
| 1978 | for (i = 0; i < RTL8152_MAX_RX; i++) |
| 1979 | usb_kill_urb(tp->rx_info[i].urb); |
| 1980 | |
| 1981 | return 0; |
| 1982 | } |
| 1983 | |
hayeswang | 507605a | 2014-01-02 11:22:43 +0800 | [diff] [blame] | 1984 | static int rtl_enable(struct r8152 *tp) |
| 1985 | { |
| 1986 | u32 ocp_data; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 1987 | |
| 1988 | r8152b_reset_packet_filter(tp); |
| 1989 | |
| 1990 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_CR); |
| 1991 | ocp_data |= CR_RE | CR_TE; |
| 1992 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CR, ocp_data); |
| 1993 | |
hayeswang | 00a5e36 | 2014-02-18 21:48:59 +0800 | [diff] [blame] | 1994 | rxdy_gated_en(tp, false); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 1995 | |
hayeswang | 445f7f4 | 2014-09-23 16:31:47 +0800 | [diff] [blame] | 1996 | return rtl_start_rx(tp); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 1997 | } |
| 1998 | |
hayeswang | 507605a | 2014-01-02 11:22:43 +0800 | [diff] [blame] | 1999 | static int rtl8152_enable(struct r8152 *tp) |
| 2000 | { |
hayeswang | 6871438 | 2014-04-11 17:54:31 +0800 | [diff] [blame] | 2001 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) |
| 2002 | return -ENODEV; |
| 2003 | |
hayeswang | 507605a | 2014-01-02 11:22:43 +0800 | [diff] [blame] | 2004 | set_tx_qlen(tp); |
| 2005 | rtl_set_eee_plus(tp); |
| 2006 | |
| 2007 | return rtl_enable(tp); |
| 2008 | } |
| 2009 | |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 2010 | static void r8153_set_rx_agg(struct r8152 *tp) |
| 2011 | { |
| 2012 | u8 speed; |
| 2013 | |
| 2014 | speed = rtl8152_get_speed(tp); |
| 2015 | if (speed & _1000bps) { |
| 2016 | if (tp->udev->speed == USB_SPEED_SUPER) { |
| 2017 | ocp_write_dword(tp, MCU_TYPE_USB, USB_RX_BUF_TH, |
| 2018 | RX_THR_SUPPER); |
| 2019 | ocp_write_dword(tp, MCU_TYPE_USB, USB_RX_EARLY_AGG, |
| 2020 | EARLY_AGG_SUPPER); |
| 2021 | } else { |
| 2022 | ocp_write_dword(tp, MCU_TYPE_USB, USB_RX_BUF_TH, |
| 2023 | RX_THR_HIGH); |
| 2024 | ocp_write_dword(tp, MCU_TYPE_USB, USB_RX_EARLY_AGG, |
| 2025 | EARLY_AGG_HIGH); |
| 2026 | } |
| 2027 | } else { |
| 2028 | ocp_write_dword(tp, MCU_TYPE_USB, USB_RX_BUF_TH, RX_THR_SLOW); |
| 2029 | ocp_write_dword(tp, MCU_TYPE_USB, USB_RX_EARLY_AGG, |
| 2030 | EARLY_AGG_SLOW); |
| 2031 | } |
| 2032 | } |
| 2033 | |
| 2034 | static int rtl8153_enable(struct r8152 *tp) |
| 2035 | { |
hayeswang | 6871438 | 2014-04-11 17:54:31 +0800 | [diff] [blame] | 2036 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) |
| 2037 | return -ENODEV; |
| 2038 | |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 2039 | set_tx_qlen(tp); |
| 2040 | rtl_set_eee_plus(tp); |
| 2041 | r8153_set_rx_agg(tp); |
| 2042 | |
| 2043 | return rtl_enable(tp); |
| 2044 | } |
| 2045 | |
hayeswang | d70b113 | 2014-09-19 15:17:18 +0800 | [diff] [blame] | 2046 | static void rtl_disable(struct r8152 *tp) |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 2047 | { |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 2048 | u32 ocp_data; |
| 2049 | int i; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 2050 | |
hayeswang | 6871438 | 2014-04-11 17:54:31 +0800 | [diff] [blame] | 2051 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) { |
| 2052 | rtl_drop_queued_tx(tp); |
| 2053 | return; |
| 2054 | } |
| 2055 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 2056 | ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR); |
| 2057 | ocp_data &= ~RCR_ACPT_ALL; |
| 2058 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data); |
| 2059 | |
hayeswang | 00a5e36 | 2014-02-18 21:48:59 +0800 | [diff] [blame] | 2060 | rtl_drop_queued_tx(tp); |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 2061 | |
| 2062 | for (i = 0; i < RTL8152_MAX_TX; i++) |
| 2063 | usb_kill_urb(tp->tx_info[i].urb); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 2064 | |
hayeswang | 00a5e36 | 2014-02-18 21:48:59 +0800 | [diff] [blame] | 2065 | rxdy_gated_en(tp, true); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 2066 | |
| 2067 | for (i = 0; i < 1000; i++) { |
| 2068 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); |
| 2069 | if ((ocp_data & FIFO_EMPTY) == FIFO_EMPTY) |
| 2070 | break; |
| 2071 | mdelay(1); |
| 2072 | } |
| 2073 | |
| 2074 | for (i = 0; i < 1000; i++) { |
| 2075 | if (ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR0) & TCR0_TX_EMPTY) |
| 2076 | break; |
| 2077 | mdelay(1); |
| 2078 | } |
| 2079 | |
hayeswang | 445f7f4 | 2014-09-23 16:31:47 +0800 | [diff] [blame] | 2080 | rtl_stop_rx(tp); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 2081 | |
| 2082 | rtl8152_nic_reset(tp); |
| 2083 | } |
| 2084 | |
hayeswang | 00a5e36 | 2014-02-18 21:48:59 +0800 | [diff] [blame] | 2085 | static void r8152_power_cut_en(struct r8152 *tp, bool enable) |
| 2086 | { |
| 2087 | u32 ocp_data; |
| 2088 | |
| 2089 | ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_UPS_CTRL); |
| 2090 | if (enable) |
| 2091 | ocp_data |= POWER_CUT; |
| 2092 | else |
| 2093 | ocp_data &= ~POWER_CUT; |
| 2094 | ocp_write_word(tp, MCU_TYPE_USB, USB_UPS_CTRL, ocp_data); |
| 2095 | |
| 2096 | ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_PM_CTRL_STATUS); |
| 2097 | ocp_data &= ~RESUME_INDICATE; |
| 2098 | ocp_write_word(tp, MCU_TYPE_USB, USB_PM_CTRL_STATUS, ocp_data); |
hayeswang | 00a5e36 | 2014-02-18 21:48:59 +0800 | [diff] [blame] | 2099 | } |
| 2100 | |
hayeswang | 21ff2e8 | 2014-02-18 21:49:06 +0800 | [diff] [blame] | 2101 | #define WAKE_ANY (WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_BCAST | WAKE_MCAST) |
| 2102 | |
| 2103 | static u32 __rtl_get_wol(struct r8152 *tp) |
| 2104 | { |
| 2105 | u32 ocp_data; |
| 2106 | u32 wolopts = 0; |
| 2107 | |
| 2108 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_CONFIG5); |
| 2109 | if (!(ocp_data & LAN_WAKE_EN)) |
| 2110 | return 0; |
| 2111 | |
| 2112 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG34); |
| 2113 | if (ocp_data & LINK_ON_WAKE_EN) |
| 2114 | wolopts |= WAKE_PHY; |
| 2115 | |
| 2116 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG5); |
| 2117 | if (ocp_data & UWF_EN) |
| 2118 | wolopts |= WAKE_UCAST; |
| 2119 | if (ocp_data & BWF_EN) |
| 2120 | wolopts |= WAKE_BCAST; |
| 2121 | if (ocp_data & MWF_EN) |
| 2122 | wolopts |= WAKE_MCAST; |
| 2123 | |
| 2124 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CFG_WOL); |
| 2125 | if (ocp_data & MAGIC_EN) |
| 2126 | wolopts |= WAKE_MAGIC; |
| 2127 | |
| 2128 | return wolopts; |
| 2129 | } |
| 2130 | |
| 2131 | static void __rtl_set_wol(struct r8152 *tp, u32 wolopts) |
| 2132 | { |
| 2133 | u32 ocp_data; |
| 2134 | |
| 2135 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_CONFIG); |
| 2136 | |
| 2137 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG34); |
| 2138 | ocp_data &= ~LINK_ON_WAKE_EN; |
| 2139 | if (wolopts & WAKE_PHY) |
| 2140 | ocp_data |= LINK_ON_WAKE_EN; |
| 2141 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_CONFIG34, ocp_data); |
| 2142 | |
| 2143 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG5); |
| 2144 | ocp_data &= ~(UWF_EN | BWF_EN | MWF_EN | LAN_WAKE_EN); |
| 2145 | if (wolopts & WAKE_UCAST) |
| 2146 | ocp_data |= UWF_EN; |
| 2147 | if (wolopts & WAKE_BCAST) |
| 2148 | ocp_data |= BWF_EN; |
| 2149 | if (wolopts & WAKE_MCAST) |
| 2150 | ocp_data |= MWF_EN; |
| 2151 | if (wolopts & WAKE_ANY) |
| 2152 | ocp_data |= LAN_WAKE_EN; |
| 2153 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_CONFIG5, ocp_data); |
| 2154 | |
| 2155 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML); |
| 2156 | |
| 2157 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CFG_WOL); |
| 2158 | ocp_data &= ~MAGIC_EN; |
| 2159 | if (wolopts & WAKE_MAGIC) |
| 2160 | ocp_data |= MAGIC_EN; |
| 2161 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_CFG_WOL, ocp_data); |
| 2162 | |
| 2163 | if (wolopts & WAKE_ANY) |
| 2164 | device_set_wakeup_enable(&tp->udev->dev, true); |
| 2165 | else |
| 2166 | device_set_wakeup_enable(&tp->udev->dev, false); |
| 2167 | } |
| 2168 | |
hayeswang | 9a4be1b | 2014-02-18 21:49:07 +0800 | [diff] [blame] | 2169 | static void rtl_runtime_suspend_enable(struct r8152 *tp, bool enable) |
| 2170 | { |
| 2171 | if (enable) { |
| 2172 | u32 ocp_data; |
| 2173 | |
| 2174 | __rtl_set_wol(tp, WAKE_ANY); |
| 2175 | |
| 2176 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_CONFIG); |
| 2177 | |
| 2178 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG34); |
| 2179 | ocp_data |= LINK_OFF_WAKE_EN; |
| 2180 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_CONFIG34, ocp_data); |
| 2181 | |
| 2182 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML); |
| 2183 | } else { |
| 2184 | __rtl_set_wol(tp, tp->saved_wolopts); |
| 2185 | } |
| 2186 | } |
| 2187 | |
hayeswang | aa66a5f | 2014-02-18 21:49:04 +0800 | [diff] [blame] | 2188 | static void rtl_phy_reset(struct r8152 *tp) |
| 2189 | { |
| 2190 | u16 data; |
| 2191 | int i; |
| 2192 | |
| 2193 | clear_bit(PHY_RESET, &tp->flags); |
| 2194 | |
| 2195 | data = r8152_mdio_read(tp, MII_BMCR); |
| 2196 | |
| 2197 | /* don't reset again before the previous one complete */ |
| 2198 | if (data & BMCR_RESET) |
| 2199 | return; |
| 2200 | |
| 2201 | data |= BMCR_RESET; |
| 2202 | r8152_mdio_write(tp, MII_BMCR, data); |
| 2203 | |
| 2204 | for (i = 0; i < 50; i++) { |
| 2205 | msleep(20); |
| 2206 | if ((r8152_mdio_read(tp, MII_BMCR) & BMCR_RESET) == 0) |
| 2207 | break; |
| 2208 | } |
| 2209 | } |
| 2210 | |
hayeswang | 4349968 | 2014-02-18 21:48:58 +0800 | [diff] [blame] | 2211 | static void r8153_teredo_off(struct r8152 *tp) |
| 2212 | { |
| 2213 | u32 ocp_data; |
| 2214 | |
| 2215 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TEREDO_CFG); |
| 2216 | ocp_data &= ~(TEREDO_SEL | TEREDO_RS_EVENT_MASK | OOB_TEREDO_EN); |
| 2217 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_TEREDO_CFG, ocp_data); |
| 2218 | |
| 2219 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_WDT6_CTRL, WDT6_SET_MODE); |
| 2220 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_REALWOW_TIMER, 0); |
| 2221 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_TEREDO_TIMER, 0); |
| 2222 | } |
| 2223 | |
| 2224 | static void r8152b_disable_aldps(struct r8152 *tp) |
| 2225 | { |
| 2226 | ocp_reg_write(tp, OCP_ALDPS_CONFIG, ENPDNPS | LINKENA | DIS_SDSAVE); |
| 2227 | msleep(20); |
| 2228 | } |
| 2229 | |
| 2230 | static inline void r8152b_enable_aldps(struct r8152 *tp) |
| 2231 | { |
| 2232 | ocp_reg_write(tp, OCP_ALDPS_CONFIG, ENPWRSAVE | ENPDNPS | |
| 2233 | LINKENA | DIS_SDSAVE); |
| 2234 | } |
| 2235 | |
hayeswang | d70b113 | 2014-09-19 15:17:18 +0800 | [diff] [blame] | 2236 | static void rtl8152_disable(struct r8152 *tp) |
| 2237 | { |
| 2238 | r8152b_disable_aldps(tp); |
| 2239 | rtl_disable(tp); |
| 2240 | r8152b_enable_aldps(tp); |
| 2241 | } |
| 2242 | |
hayeswang | 4349968 | 2014-02-18 21:48:58 +0800 | [diff] [blame] | 2243 | static void r8152b_hw_phy_cfg(struct r8152 *tp) |
| 2244 | { |
hayeswang | f0cbe0a | 2014-02-18 21:49:03 +0800 | [diff] [blame] | 2245 | u16 data; |
| 2246 | |
| 2247 | data = r8152_mdio_read(tp, MII_BMCR); |
| 2248 | if (data & BMCR_PDOWN) { |
| 2249 | data &= ~BMCR_PDOWN; |
| 2250 | r8152_mdio_write(tp, MII_BMCR, data); |
| 2251 | } |
| 2252 | |
hayeswang | aa66a5f | 2014-02-18 21:49:04 +0800 | [diff] [blame] | 2253 | set_bit(PHY_RESET, &tp->flags); |
hayeswang | 4349968 | 2014-02-18 21:48:58 +0800 | [diff] [blame] | 2254 | } |
| 2255 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 2256 | static void r8152b_exit_oob(struct r8152 *tp) |
| 2257 | { |
hayeswang | db8515e | 2014-03-06 15:07:16 +0800 | [diff] [blame] | 2258 | u32 ocp_data; |
| 2259 | int i; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 2260 | |
| 2261 | ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR); |
| 2262 | ocp_data &= ~RCR_ACPT_ALL; |
| 2263 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data); |
| 2264 | |
hayeswang | 00a5e36 | 2014-02-18 21:48:59 +0800 | [diff] [blame] | 2265 | rxdy_gated_en(tp, true); |
hayeswang | da9bd11 | 2014-02-18 21:49:08 +0800 | [diff] [blame] | 2266 | r8153_teredo_off(tp); |
hayeswang | 7e9da48 | 2014-02-18 21:49:05 +0800 | [diff] [blame] | 2267 | r8152b_hw_phy_cfg(tp); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 2268 | |
| 2269 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML); |
| 2270 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CR, 0x00); |
| 2271 | |
| 2272 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); |
| 2273 | ocp_data &= ~NOW_IS_OOB; |
| 2274 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data); |
| 2275 | |
| 2276 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7); |
| 2277 | ocp_data &= ~MCU_BORW_EN; |
| 2278 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data); |
| 2279 | |
| 2280 | for (i = 0; i < 1000; i++) { |
| 2281 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); |
| 2282 | if (ocp_data & LINK_LIST_READY) |
| 2283 | break; |
| 2284 | mdelay(1); |
| 2285 | } |
| 2286 | |
| 2287 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7); |
| 2288 | ocp_data |= RE_INIT_LL; |
| 2289 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data); |
| 2290 | |
| 2291 | for (i = 0; i < 1000; i++) { |
| 2292 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); |
| 2293 | if (ocp_data & LINK_LIST_READY) |
| 2294 | break; |
| 2295 | mdelay(1); |
| 2296 | } |
| 2297 | |
| 2298 | rtl8152_nic_reset(tp); |
| 2299 | |
| 2300 | /* rx share fifo credit full threshold */ |
| 2301 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL0, RXFIFO_THR1_NORMAL); |
| 2302 | |
hayeswang | a3cc465 | 2014-07-24 16:37:43 +0800 | [diff] [blame] | 2303 | if (tp->udev->speed == USB_SPEED_FULL || |
| 2304 | tp->udev->speed == USB_SPEED_LOW) { |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 2305 | /* rx share fifo credit near full threshold */ |
| 2306 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1, |
| 2307 | RXFIFO_THR2_FULL); |
| 2308 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2, |
| 2309 | RXFIFO_THR3_FULL); |
| 2310 | } else { |
| 2311 | /* rx share fifo credit near full threshold */ |
| 2312 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1, |
| 2313 | RXFIFO_THR2_HIGH); |
| 2314 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2, |
| 2315 | RXFIFO_THR3_HIGH); |
| 2316 | } |
| 2317 | |
| 2318 | /* TX share fifo free credit full threshold */ |
| 2319 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_TXFIFO_CTRL, TXFIFO_THR_NORMAL); |
| 2320 | |
| 2321 | ocp_write_byte(tp, MCU_TYPE_USB, USB_TX_AGG, TX_AGG_MAX_THRESHOLD); |
hayeswang | 8e1f51b | 2014-01-02 11:22:41 +0800 | [diff] [blame] | 2322 | ocp_write_dword(tp, MCU_TYPE_USB, USB_RX_BUF_TH, RX_THR_HIGH); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 2323 | ocp_write_dword(tp, MCU_TYPE_USB, USB_TX_DMA, |
| 2324 | TEST_MODE_DISABLE | TX_SIZE_ADJUST1); |
| 2325 | |
| 2326 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CPCR); |
| 2327 | ocp_data &= ~CPCR_RX_VLAN; |
| 2328 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_CPCR, ocp_data); |
| 2329 | |
| 2330 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8152_RMS); |
| 2331 | |
| 2332 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR0); |
| 2333 | ocp_data |= TCR0_AUTO_FIFO; |
| 2334 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_TCR0, ocp_data); |
| 2335 | } |
| 2336 | |
| 2337 | static void r8152b_enter_oob(struct r8152 *tp) |
| 2338 | { |
hayeswang | 45f4a19 | 2014-01-06 17:08:41 +0800 | [diff] [blame] | 2339 | u32 ocp_data; |
| 2340 | int i; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 2341 | |
| 2342 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); |
| 2343 | ocp_data &= ~NOW_IS_OOB; |
| 2344 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data); |
| 2345 | |
| 2346 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL0, RXFIFO_THR1_OOB); |
| 2347 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1, RXFIFO_THR2_OOB); |
| 2348 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2, RXFIFO_THR3_OOB); |
| 2349 | |
hayeswang | d70b113 | 2014-09-19 15:17:18 +0800 | [diff] [blame] | 2350 | rtl_disable(tp); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 2351 | |
| 2352 | for (i = 0; i < 1000; i++) { |
| 2353 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); |
| 2354 | if (ocp_data & LINK_LIST_READY) |
| 2355 | break; |
| 2356 | mdelay(1); |
| 2357 | } |
| 2358 | |
| 2359 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7); |
| 2360 | ocp_data |= RE_INIT_LL; |
| 2361 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data); |
| 2362 | |
| 2363 | for (i = 0; i < 1000; i++) { |
| 2364 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); |
| 2365 | if (ocp_data & LINK_LIST_READY) |
| 2366 | break; |
| 2367 | mdelay(1); |
| 2368 | } |
| 2369 | |
| 2370 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8152_RMS); |
| 2371 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 2372 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CPCR); |
| 2373 | ocp_data |= CPCR_RX_VLAN; |
| 2374 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_CPCR, ocp_data); |
| 2375 | |
| 2376 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PAL_BDC_CR); |
| 2377 | ocp_data |= ALDPS_PROXY_MODE; |
| 2378 | ocp_write_word(tp, MCU_TYPE_PLA, PAL_BDC_CR, ocp_data); |
| 2379 | |
| 2380 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); |
| 2381 | ocp_data |= NOW_IS_OOB | DIS_MCU_CLROOB; |
| 2382 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data); |
| 2383 | |
hayeswang | 00a5e36 | 2014-02-18 21:48:59 +0800 | [diff] [blame] | 2384 | rxdy_gated_en(tp, false); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 2385 | |
| 2386 | ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR); |
| 2387 | ocp_data |= RCR_APM | RCR_AM | RCR_AB; |
| 2388 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data); |
| 2389 | } |
| 2390 | |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 2391 | static void r8153_hw_phy_cfg(struct r8152 *tp) |
| 2392 | { |
| 2393 | u32 ocp_data; |
| 2394 | u16 data; |
| 2395 | |
| 2396 | ocp_reg_write(tp, OCP_ADC_CFG, CKADSEL_L | ADC_EN | EN_EMI_L); |
hayeswang | f0cbe0a | 2014-02-18 21:49:03 +0800 | [diff] [blame] | 2397 | data = r8152_mdio_read(tp, MII_BMCR); |
| 2398 | if (data & BMCR_PDOWN) { |
| 2399 | data &= ~BMCR_PDOWN; |
| 2400 | r8152_mdio_write(tp, MII_BMCR, data); |
| 2401 | } |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 2402 | |
| 2403 | if (tp->version == RTL_VER_03) { |
| 2404 | data = ocp_reg_read(tp, OCP_EEE_CFG); |
| 2405 | data &= ~CTAP_SHORT_EN; |
| 2406 | ocp_reg_write(tp, OCP_EEE_CFG, data); |
| 2407 | } |
| 2408 | |
| 2409 | data = ocp_reg_read(tp, OCP_POWER_CFG); |
| 2410 | data |= EEE_CLKDIV_EN; |
| 2411 | ocp_reg_write(tp, OCP_POWER_CFG, data); |
| 2412 | |
| 2413 | data = ocp_reg_read(tp, OCP_DOWN_SPEED); |
| 2414 | data |= EN_10M_BGOFF; |
| 2415 | ocp_reg_write(tp, OCP_DOWN_SPEED, data); |
| 2416 | data = ocp_reg_read(tp, OCP_POWER_CFG); |
| 2417 | data |= EN_10M_PLLOFF; |
| 2418 | ocp_reg_write(tp, OCP_POWER_CFG, data); |
| 2419 | data = sram_read(tp, SRAM_IMPEDANCE); |
| 2420 | data &= ~RX_DRIVING_MASK; |
| 2421 | sram_write(tp, SRAM_IMPEDANCE, data); |
| 2422 | |
| 2423 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR); |
| 2424 | ocp_data |= PFM_PWM_SWITCH; |
| 2425 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR, ocp_data); |
| 2426 | |
| 2427 | data = sram_read(tp, SRAM_LPF_CFG); |
| 2428 | data |= LPF_AUTO_TUNE; |
| 2429 | sram_write(tp, SRAM_LPF_CFG, data); |
| 2430 | |
| 2431 | data = sram_read(tp, SRAM_10M_AMP1); |
| 2432 | data |= GDAC_IB_UPALL; |
| 2433 | sram_write(tp, SRAM_10M_AMP1, data); |
| 2434 | data = sram_read(tp, SRAM_10M_AMP2); |
| 2435 | data |= AMP_DN; |
| 2436 | sram_write(tp, SRAM_10M_AMP2, data); |
hayeswang | aa66a5f | 2014-02-18 21:49:04 +0800 | [diff] [blame] | 2437 | |
| 2438 | set_bit(PHY_RESET, &tp->flags); |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 2439 | } |
| 2440 | |
hayeswang | b970272 | 2014-02-18 21:49:00 +0800 | [diff] [blame] | 2441 | static void r8153_u1u2en(struct r8152 *tp, bool enable) |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 2442 | { |
| 2443 | u8 u1u2[8]; |
| 2444 | |
| 2445 | if (enable) |
| 2446 | memset(u1u2, 0xff, sizeof(u1u2)); |
| 2447 | else |
| 2448 | memset(u1u2, 0x00, sizeof(u1u2)); |
| 2449 | |
| 2450 | usb_ocp_write(tp, USB_TOLERANCE, BYTE_EN_SIX_BYTES, sizeof(u1u2), u1u2); |
| 2451 | } |
| 2452 | |
hayeswang | b970272 | 2014-02-18 21:49:00 +0800 | [diff] [blame] | 2453 | static void r8153_u2p3en(struct r8152 *tp, bool enable) |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 2454 | { |
| 2455 | u32 ocp_data; |
| 2456 | |
| 2457 | ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_U2P3_CTRL); |
| 2458 | if (enable) |
| 2459 | ocp_data |= U2P3_ENABLE; |
| 2460 | else |
| 2461 | ocp_data &= ~U2P3_ENABLE; |
| 2462 | ocp_write_word(tp, MCU_TYPE_USB, USB_U2P3_CTRL, ocp_data); |
| 2463 | } |
| 2464 | |
hayeswang | b970272 | 2014-02-18 21:49:00 +0800 | [diff] [blame] | 2465 | static void r8153_power_cut_en(struct r8152 *tp, bool enable) |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 2466 | { |
| 2467 | u32 ocp_data; |
| 2468 | |
| 2469 | ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_POWER_CUT); |
| 2470 | if (enable) |
| 2471 | ocp_data |= PWR_EN | PHASE2_EN; |
| 2472 | else |
| 2473 | ocp_data &= ~(PWR_EN | PHASE2_EN); |
| 2474 | ocp_write_word(tp, MCU_TYPE_USB, USB_POWER_CUT, ocp_data); |
| 2475 | |
| 2476 | ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_MISC_0); |
| 2477 | ocp_data &= ~PCUT_STATUS; |
| 2478 | ocp_write_word(tp, MCU_TYPE_USB, USB_MISC_0, ocp_data); |
| 2479 | } |
| 2480 | |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 2481 | static void r8153_first_init(struct r8152 *tp) |
| 2482 | { |
| 2483 | u32 ocp_data; |
| 2484 | int i; |
| 2485 | |
hayeswang | 00a5e36 | 2014-02-18 21:48:59 +0800 | [diff] [blame] | 2486 | rxdy_gated_en(tp, true); |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 2487 | r8153_teredo_off(tp); |
| 2488 | |
| 2489 | ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR); |
| 2490 | ocp_data &= ~RCR_ACPT_ALL; |
| 2491 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data); |
| 2492 | |
| 2493 | r8153_hw_phy_cfg(tp); |
| 2494 | |
| 2495 | rtl8152_nic_reset(tp); |
| 2496 | |
| 2497 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); |
| 2498 | ocp_data &= ~NOW_IS_OOB; |
| 2499 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data); |
| 2500 | |
| 2501 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7); |
| 2502 | ocp_data &= ~MCU_BORW_EN; |
| 2503 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data); |
| 2504 | |
| 2505 | for (i = 0; i < 1000; i++) { |
| 2506 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); |
| 2507 | if (ocp_data & LINK_LIST_READY) |
| 2508 | break; |
| 2509 | mdelay(1); |
| 2510 | } |
| 2511 | |
| 2512 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7); |
| 2513 | ocp_data |= RE_INIT_LL; |
| 2514 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data); |
| 2515 | |
| 2516 | for (i = 0; i < 1000; i++) { |
| 2517 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); |
| 2518 | if (ocp_data & LINK_LIST_READY) |
| 2519 | break; |
| 2520 | mdelay(1); |
| 2521 | } |
| 2522 | |
| 2523 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CPCR); |
| 2524 | ocp_data &= ~CPCR_RX_VLAN; |
| 2525 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_CPCR, ocp_data); |
| 2526 | |
hayeswang | 69b4b7a | 2014-07-10 10:58:54 +0800 | [diff] [blame] | 2527 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8153_RMS); |
| 2528 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_MTPS, MTPS_JUMBO); |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 2529 | |
| 2530 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR0); |
| 2531 | ocp_data |= TCR0_AUTO_FIFO; |
| 2532 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_TCR0, ocp_data); |
| 2533 | |
| 2534 | rtl8152_nic_reset(tp); |
| 2535 | |
| 2536 | /* rx share fifo credit full threshold */ |
| 2537 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL0, RXFIFO_THR1_NORMAL); |
| 2538 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1, RXFIFO_THR2_NORMAL); |
| 2539 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2, RXFIFO_THR3_NORMAL); |
| 2540 | /* TX share fifo free credit full threshold */ |
| 2541 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_TXFIFO_CTRL, TXFIFO_THR_NORMAL2); |
| 2542 | |
hayeswang | 9629e3c | 2014-01-15 10:42:15 +0800 | [diff] [blame] | 2543 | /* rx aggregation */ |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 2544 | ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_USB_CTRL); |
| 2545 | ocp_data &= ~RX_AGG_DISABLE; |
| 2546 | ocp_write_word(tp, MCU_TYPE_USB, USB_USB_CTRL, ocp_data); |
| 2547 | } |
| 2548 | |
| 2549 | static void r8153_enter_oob(struct r8152 *tp) |
| 2550 | { |
| 2551 | u32 ocp_data; |
| 2552 | int i; |
| 2553 | |
| 2554 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); |
| 2555 | ocp_data &= ~NOW_IS_OOB; |
| 2556 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data); |
| 2557 | |
hayeswang | d70b113 | 2014-09-19 15:17:18 +0800 | [diff] [blame] | 2558 | rtl_disable(tp); |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 2559 | |
| 2560 | for (i = 0; i < 1000; i++) { |
| 2561 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); |
| 2562 | if (ocp_data & LINK_LIST_READY) |
| 2563 | break; |
| 2564 | mdelay(1); |
| 2565 | } |
| 2566 | |
| 2567 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7); |
| 2568 | ocp_data |= RE_INIT_LL; |
| 2569 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data); |
| 2570 | |
| 2571 | for (i = 0; i < 1000; i++) { |
| 2572 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); |
| 2573 | if (ocp_data & LINK_LIST_READY) |
| 2574 | break; |
| 2575 | mdelay(1); |
| 2576 | } |
| 2577 | |
hayeswang | 69b4b7a | 2014-07-10 10:58:54 +0800 | [diff] [blame] | 2578 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8153_RMS); |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 2579 | |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 2580 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TEREDO_CFG); |
| 2581 | ocp_data &= ~TEREDO_WAKE_MASK; |
| 2582 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_TEREDO_CFG, ocp_data); |
| 2583 | |
| 2584 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CPCR); |
| 2585 | ocp_data |= CPCR_RX_VLAN; |
| 2586 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_CPCR, ocp_data); |
| 2587 | |
| 2588 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PAL_BDC_CR); |
| 2589 | ocp_data |= ALDPS_PROXY_MODE; |
| 2590 | ocp_write_word(tp, MCU_TYPE_PLA, PAL_BDC_CR, ocp_data); |
| 2591 | |
| 2592 | ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); |
| 2593 | ocp_data |= NOW_IS_OOB | DIS_MCU_CLROOB; |
| 2594 | ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data); |
| 2595 | |
hayeswang | 00a5e36 | 2014-02-18 21:48:59 +0800 | [diff] [blame] | 2596 | rxdy_gated_en(tp, false); |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 2597 | |
| 2598 | ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR); |
| 2599 | ocp_data |= RCR_APM | RCR_AM | RCR_AB; |
| 2600 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data); |
| 2601 | } |
| 2602 | |
| 2603 | static void r8153_disable_aldps(struct r8152 *tp) |
| 2604 | { |
| 2605 | u16 data; |
| 2606 | |
| 2607 | data = ocp_reg_read(tp, OCP_POWER_CFG); |
| 2608 | data &= ~EN_ALDPS; |
| 2609 | ocp_reg_write(tp, OCP_POWER_CFG, data); |
| 2610 | msleep(20); |
| 2611 | } |
| 2612 | |
| 2613 | static void r8153_enable_aldps(struct r8152 *tp) |
| 2614 | { |
| 2615 | u16 data; |
| 2616 | |
| 2617 | data = ocp_reg_read(tp, OCP_POWER_CFG); |
| 2618 | data |= EN_ALDPS; |
| 2619 | ocp_reg_write(tp, OCP_POWER_CFG, data); |
| 2620 | } |
| 2621 | |
hayeswang | d70b113 | 2014-09-19 15:17:18 +0800 | [diff] [blame] | 2622 | static void rtl8153_disable(struct r8152 *tp) |
| 2623 | { |
| 2624 | r8153_disable_aldps(tp); |
| 2625 | rtl_disable(tp); |
| 2626 | r8153_enable_aldps(tp); |
| 2627 | } |
| 2628 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 2629 | static int rtl8152_set_speed(struct r8152 *tp, u8 autoneg, u16 speed, u8 duplex) |
| 2630 | { |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 2631 | u16 bmcr, anar, gbcr; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 2632 | int ret = 0; |
| 2633 | |
| 2634 | cancel_delayed_work_sync(&tp->schedule); |
| 2635 | anar = r8152_mdio_read(tp, MII_ADVERTISE); |
| 2636 | anar &= ~(ADVERTISE_10HALF | ADVERTISE_10FULL | |
| 2637 | ADVERTISE_100HALF | ADVERTISE_100FULL); |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 2638 | if (tp->mii.supports_gmii) { |
| 2639 | gbcr = r8152_mdio_read(tp, MII_CTRL1000); |
| 2640 | gbcr &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF); |
| 2641 | } else { |
| 2642 | gbcr = 0; |
| 2643 | } |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 2644 | |
| 2645 | if (autoneg == AUTONEG_DISABLE) { |
| 2646 | if (speed == SPEED_10) { |
| 2647 | bmcr = 0; |
| 2648 | anar |= ADVERTISE_10HALF | ADVERTISE_10FULL; |
| 2649 | } else if (speed == SPEED_100) { |
| 2650 | bmcr = BMCR_SPEED100; |
| 2651 | anar |= ADVERTISE_100HALF | ADVERTISE_100FULL; |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 2652 | } else if (speed == SPEED_1000 && tp->mii.supports_gmii) { |
| 2653 | bmcr = BMCR_SPEED1000; |
| 2654 | gbcr |= ADVERTISE_1000FULL | ADVERTISE_1000HALF; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 2655 | } else { |
| 2656 | ret = -EINVAL; |
| 2657 | goto out; |
| 2658 | } |
| 2659 | |
| 2660 | if (duplex == DUPLEX_FULL) |
| 2661 | bmcr |= BMCR_FULLDPLX; |
| 2662 | } else { |
| 2663 | if (speed == SPEED_10) { |
| 2664 | if (duplex == DUPLEX_FULL) |
| 2665 | anar |= ADVERTISE_10HALF | ADVERTISE_10FULL; |
| 2666 | else |
| 2667 | anar |= ADVERTISE_10HALF; |
| 2668 | } else if (speed == SPEED_100) { |
| 2669 | if (duplex == DUPLEX_FULL) { |
| 2670 | anar |= ADVERTISE_10HALF | ADVERTISE_10FULL; |
| 2671 | anar |= ADVERTISE_100HALF | ADVERTISE_100FULL; |
| 2672 | } else { |
| 2673 | anar |= ADVERTISE_10HALF; |
| 2674 | anar |= ADVERTISE_100HALF; |
| 2675 | } |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 2676 | } else if (speed == SPEED_1000 && tp->mii.supports_gmii) { |
| 2677 | if (duplex == DUPLEX_FULL) { |
| 2678 | anar |= ADVERTISE_10HALF | ADVERTISE_10FULL; |
| 2679 | anar |= ADVERTISE_100HALF | ADVERTISE_100FULL; |
| 2680 | gbcr |= ADVERTISE_1000FULL | ADVERTISE_1000HALF; |
| 2681 | } else { |
| 2682 | anar |= ADVERTISE_10HALF; |
| 2683 | anar |= ADVERTISE_100HALF; |
| 2684 | gbcr |= ADVERTISE_1000HALF; |
| 2685 | } |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 2686 | } else { |
| 2687 | ret = -EINVAL; |
| 2688 | goto out; |
| 2689 | } |
| 2690 | |
| 2691 | bmcr = BMCR_ANENABLE | BMCR_ANRESTART; |
| 2692 | } |
| 2693 | |
hayeswang | aa66a5f | 2014-02-18 21:49:04 +0800 | [diff] [blame] | 2694 | if (test_bit(PHY_RESET, &tp->flags)) |
| 2695 | bmcr |= BMCR_RESET; |
| 2696 | |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 2697 | if (tp->mii.supports_gmii) |
| 2698 | r8152_mdio_write(tp, MII_CTRL1000, gbcr); |
| 2699 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 2700 | r8152_mdio_write(tp, MII_ADVERTISE, anar); |
| 2701 | r8152_mdio_write(tp, MII_BMCR, bmcr); |
| 2702 | |
hayeswang | aa66a5f | 2014-02-18 21:49:04 +0800 | [diff] [blame] | 2703 | if (test_bit(PHY_RESET, &tp->flags)) { |
| 2704 | int i; |
| 2705 | |
| 2706 | clear_bit(PHY_RESET, &tp->flags); |
| 2707 | for (i = 0; i < 50; i++) { |
| 2708 | msleep(20); |
| 2709 | if ((r8152_mdio_read(tp, MII_BMCR) & BMCR_RESET) == 0) |
| 2710 | break; |
| 2711 | } |
| 2712 | } |
| 2713 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 2714 | out: |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 2715 | |
| 2716 | return ret; |
| 2717 | } |
| 2718 | |
hayeswang | d70b113 | 2014-09-19 15:17:18 +0800 | [diff] [blame] | 2719 | static void rtl8152_up(struct r8152 *tp) |
| 2720 | { |
| 2721 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) |
| 2722 | return; |
| 2723 | |
| 2724 | r8152b_disable_aldps(tp); |
| 2725 | r8152b_exit_oob(tp); |
| 2726 | r8152b_enable_aldps(tp); |
| 2727 | } |
| 2728 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 2729 | static void rtl8152_down(struct r8152 *tp) |
| 2730 | { |
hayeswang | 6871438 | 2014-04-11 17:54:31 +0800 | [diff] [blame] | 2731 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) { |
| 2732 | rtl_drop_queued_tx(tp); |
| 2733 | return; |
| 2734 | } |
| 2735 | |
hayeswang | 00a5e36 | 2014-02-18 21:48:59 +0800 | [diff] [blame] | 2736 | r8152_power_cut_en(tp, false); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 2737 | r8152b_disable_aldps(tp); |
| 2738 | r8152b_enter_oob(tp); |
| 2739 | r8152b_enable_aldps(tp); |
| 2740 | } |
| 2741 | |
hayeswang | d70b113 | 2014-09-19 15:17:18 +0800 | [diff] [blame] | 2742 | static void rtl8153_up(struct r8152 *tp) |
| 2743 | { |
| 2744 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) |
| 2745 | return; |
| 2746 | |
| 2747 | r8153_disable_aldps(tp); |
| 2748 | r8153_first_init(tp); |
| 2749 | r8153_enable_aldps(tp); |
| 2750 | } |
| 2751 | |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 2752 | static void rtl8153_down(struct r8152 *tp) |
| 2753 | { |
hayeswang | 6871438 | 2014-04-11 17:54:31 +0800 | [diff] [blame] | 2754 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) { |
| 2755 | rtl_drop_queued_tx(tp); |
| 2756 | return; |
| 2757 | } |
| 2758 | |
hayeswang | b970272 | 2014-02-18 21:49:00 +0800 | [diff] [blame] | 2759 | r8153_u1u2en(tp, false); |
| 2760 | r8153_power_cut_en(tp, false); |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 2761 | r8153_disable_aldps(tp); |
| 2762 | r8153_enter_oob(tp); |
| 2763 | r8153_enable_aldps(tp); |
| 2764 | } |
| 2765 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 2766 | static void set_carrier(struct r8152 *tp) |
| 2767 | { |
| 2768 | struct net_device *netdev = tp->netdev; |
| 2769 | u8 speed; |
| 2770 | |
hayeswang | 40a8291 | 2013-08-14 20:54:40 +0800 | [diff] [blame] | 2771 | clear_bit(RTL8152_LINK_CHG, &tp->flags); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 2772 | speed = rtl8152_get_speed(tp); |
| 2773 | |
| 2774 | if (speed & LINK_STATUS) { |
| 2775 | if (!(tp->speed & LINK_STATUS)) { |
hayeswang | c81229c | 2014-01-02 11:22:42 +0800 | [diff] [blame] | 2776 | tp->rtl_ops.enable(tp); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 2777 | set_bit(RTL8152_SET_RX_MODE, &tp->flags); |
| 2778 | netif_carrier_on(netdev); |
| 2779 | } |
| 2780 | } else { |
| 2781 | if (tp->speed & LINK_STATUS) { |
| 2782 | netif_carrier_off(netdev); |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 2783 | tasklet_disable(&tp->tl); |
hayeswang | c81229c | 2014-01-02 11:22:42 +0800 | [diff] [blame] | 2784 | tp->rtl_ops.disable(tp); |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 2785 | tasklet_enable(&tp->tl); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 2786 | } |
| 2787 | } |
| 2788 | tp->speed = speed; |
| 2789 | } |
| 2790 | |
| 2791 | static void rtl_work_func_t(struct work_struct *work) |
| 2792 | { |
| 2793 | struct r8152 *tp = container_of(work, struct r8152, schedule.work); |
| 2794 | |
hayeswang | 9a4be1b | 2014-02-18 21:49:07 +0800 | [diff] [blame] | 2795 | if (usb_autopm_get_interface(tp->intf) < 0) |
| 2796 | return; |
| 2797 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 2798 | if (!test_bit(WORK_ENABLE, &tp->flags)) |
| 2799 | goto out1; |
| 2800 | |
| 2801 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) |
| 2802 | goto out1; |
| 2803 | |
hayeswang | 40a8291 | 2013-08-14 20:54:40 +0800 | [diff] [blame] | 2804 | if (test_bit(RTL8152_LINK_CHG, &tp->flags)) |
| 2805 | set_carrier(tp); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 2806 | |
| 2807 | if (test_bit(RTL8152_SET_RX_MODE, &tp->flags)) |
| 2808 | _rtl8152_set_rx_mode(tp->netdev); |
| 2809 | |
hayeswang | 0c3121f | 2014-03-07 11:04:36 +0800 | [diff] [blame] | 2810 | if (test_bit(SCHEDULE_TASKLET, &tp->flags) && |
| 2811 | (tp->speed & LINK_STATUS)) { |
| 2812 | clear_bit(SCHEDULE_TASKLET, &tp->flags); |
| 2813 | tasklet_schedule(&tp->tl); |
| 2814 | } |
hayeswang | aa66a5f | 2014-02-18 21:49:04 +0800 | [diff] [blame] | 2815 | |
| 2816 | if (test_bit(PHY_RESET, &tp->flags)) |
| 2817 | rtl_phy_reset(tp); |
| 2818 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 2819 | out1: |
hayeswang | 9a4be1b | 2014-02-18 21:49:07 +0800 | [diff] [blame] | 2820 | usb_autopm_put_interface(tp->intf); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 2821 | } |
| 2822 | |
| 2823 | static int rtl8152_open(struct net_device *netdev) |
| 2824 | { |
| 2825 | struct r8152 *tp = netdev_priv(netdev); |
| 2826 | int res = 0; |
| 2827 | |
hayeswang | 7e9da48 | 2014-02-18 21:49:05 +0800 | [diff] [blame] | 2828 | res = alloc_all_mem(tp); |
| 2829 | if (res) |
| 2830 | goto out; |
| 2831 | |
hayeswang | 9a4be1b | 2014-02-18 21:49:07 +0800 | [diff] [blame] | 2832 | res = usb_autopm_get_interface(tp->intf); |
| 2833 | if (res < 0) { |
| 2834 | free_all_mem(tp); |
| 2835 | goto out; |
| 2836 | } |
| 2837 | |
| 2838 | /* The WORK_ENABLE may be set when autoresume occurs */ |
| 2839 | if (test_bit(WORK_ENABLE, &tp->flags)) { |
| 2840 | clear_bit(WORK_ENABLE, &tp->flags); |
| 2841 | usb_kill_urb(tp->intr_urb); |
| 2842 | cancel_delayed_work_sync(&tp->schedule); |
| 2843 | if (tp->speed & LINK_STATUS) |
| 2844 | tp->rtl_ops.disable(tp); |
| 2845 | } |
| 2846 | |
hayeswang | 7e9da48 | 2014-02-18 21:49:05 +0800 | [diff] [blame] | 2847 | tp->rtl_ops.up(tp); |
| 2848 | |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 2849 | rtl8152_set_speed(tp, AUTONEG_ENABLE, |
| 2850 | tp->mii.supports_gmii ? SPEED_1000 : SPEED_100, |
| 2851 | DUPLEX_FULL); |
hayeswang | 40a8291 | 2013-08-14 20:54:40 +0800 | [diff] [blame] | 2852 | tp->speed = 0; |
| 2853 | netif_carrier_off(netdev); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 2854 | netif_start_queue(netdev); |
| 2855 | set_bit(WORK_ENABLE, &tp->flags); |
hayeswang | db8515e | 2014-03-06 15:07:16 +0800 | [diff] [blame] | 2856 | |
hayeswang | 3d55f44 | 2014-02-06 11:55:48 +0800 | [diff] [blame] | 2857 | res = usb_submit_urb(tp->intr_urb, GFP_KERNEL); |
| 2858 | if (res) { |
| 2859 | if (res == -ENODEV) |
| 2860 | netif_device_detach(tp->netdev); |
| 2861 | netif_warn(tp, ifup, netdev, "intr_urb submit failed: %d\n", |
| 2862 | res); |
hayeswang | 7e9da48 | 2014-02-18 21:49:05 +0800 | [diff] [blame] | 2863 | free_all_mem(tp); |
hayeswang | 3d55f44 | 2014-02-06 11:55:48 +0800 | [diff] [blame] | 2864 | } |
| 2865 | |
hayeswang | 9a4be1b | 2014-02-18 21:49:07 +0800 | [diff] [blame] | 2866 | usb_autopm_put_interface(tp->intf); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 2867 | |
hayeswang | 7e9da48 | 2014-02-18 21:49:05 +0800 | [diff] [blame] | 2868 | out: |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 2869 | return res; |
| 2870 | } |
| 2871 | |
| 2872 | static int rtl8152_close(struct net_device *netdev) |
| 2873 | { |
| 2874 | struct r8152 *tp = netdev_priv(netdev); |
| 2875 | int res = 0; |
| 2876 | |
| 2877 | clear_bit(WORK_ENABLE, &tp->flags); |
hayeswang | 3d55f44 | 2014-02-06 11:55:48 +0800 | [diff] [blame] | 2878 | usb_kill_urb(tp->intr_urb); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 2879 | cancel_delayed_work_sync(&tp->schedule); |
| 2880 | netif_stop_queue(netdev); |
hayeswang | 9a4be1b | 2014-02-18 21:49:07 +0800 | [diff] [blame] | 2881 | |
| 2882 | res = usb_autopm_get_interface(tp->intf); |
| 2883 | if (res < 0) { |
| 2884 | rtl_drop_queued_tx(tp); |
| 2885 | } else { |
| 2886 | /* |
| 2887 | * The autosuspend may have been enabled and wouldn't |
| 2888 | * be disable when autoresume occurs, because the |
| 2889 | * netif_running() would be false. |
| 2890 | */ |
| 2891 | if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) { |
| 2892 | rtl_runtime_suspend_enable(tp, false); |
| 2893 | clear_bit(SELECTIVE_SUSPEND, &tp->flags); |
| 2894 | } |
| 2895 | |
| 2896 | tasklet_disable(&tp->tl); |
| 2897 | tp->rtl_ops.down(tp); |
| 2898 | tasklet_enable(&tp->tl); |
| 2899 | usb_autopm_put_interface(tp->intf); |
| 2900 | } |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 2901 | |
hayeswang | 7e9da48 | 2014-02-18 21:49:05 +0800 | [diff] [blame] | 2902 | free_all_mem(tp); |
| 2903 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 2904 | return res; |
| 2905 | } |
| 2906 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 2907 | static void r8152b_enable_eee(struct r8152 *tp) |
| 2908 | { |
hayeswang | 45f4a19 | 2014-01-06 17:08:41 +0800 | [diff] [blame] | 2909 | u32 ocp_data; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 2910 | |
| 2911 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEE_CR); |
| 2912 | ocp_data |= EEE_RX_EN | EEE_TX_EN; |
| 2913 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEE_CR, ocp_data); |
| 2914 | ocp_reg_write(tp, OCP_EEE_CONFIG1, RG_TXLPI_MSK_HFDUP | RG_MATCLR_EN | |
| 2915 | EEE_10_CAP | EEE_NWAY_EN | |
| 2916 | TX_QUIET_EN | RX_QUIET_EN | |
| 2917 | SDRISETIME | RG_RXLPI_MSK_HFDUP | |
| 2918 | SDFALLTIME); |
| 2919 | ocp_reg_write(tp, OCP_EEE_CONFIG2, RG_LPIHYS_NUM | RG_DACQUIET_EN | |
| 2920 | RG_LDVQUIET_EN | RG_CKRSEL | |
| 2921 | RG_EEEPRG_EN); |
| 2922 | ocp_reg_write(tp, OCP_EEE_CONFIG3, FST_SNR_EYE_R | RG_LFS_SEL | MSK_PH); |
| 2923 | ocp_reg_write(tp, OCP_EEE_AR, FUN_ADDR | DEVICE_ADDR); |
| 2924 | ocp_reg_write(tp, OCP_EEE_DATA, EEE_ADDR); |
| 2925 | ocp_reg_write(tp, OCP_EEE_AR, FUN_DATA | DEVICE_ADDR); |
| 2926 | ocp_reg_write(tp, OCP_EEE_DATA, EEE_DATA); |
| 2927 | ocp_reg_write(tp, OCP_EEE_AR, 0x0000); |
| 2928 | } |
| 2929 | |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 2930 | static void r8153_enable_eee(struct r8152 *tp) |
| 2931 | { |
| 2932 | u32 ocp_data; |
| 2933 | u16 data; |
| 2934 | |
| 2935 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEE_CR); |
| 2936 | ocp_data |= EEE_RX_EN | EEE_TX_EN; |
| 2937 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEE_CR, ocp_data); |
| 2938 | data = ocp_reg_read(tp, OCP_EEE_CFG); |
| 2939 | data |= EEE10_EN; |
| 2940 | ocp_reg_write(tp, OCP_EEE_CFG, data); |
| 2941 | data = ocp_reg_read(tp, OCP_EEE_CFG2); |
| 2942 | data |= MY1000_EEE | MY100_EEE; |
| 2943 | ocp_reg_write(tp, OCP_EEE_CFG2, data); |
| 2944 | } |
| 2945 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 2946 | static void r8152b_enable_fc(struct r8152 *tp) |
| 2947 | { |
| 2948 | u16 anar; |
| 2949 | |
| 2950 | anar = r8152_mdio_read(tp, MII_ADVERTISE); |
| 2951 | anar |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM; |
| 2952 | r8152_mdio_write(tp, MII_ADVERTISE, anar); |
| 2953 | } |
| 2954 | |
hayeswang | 4f1d4d5 | 2014-03-11 16:24:19 +0800 | [diff] [blame] | 2955 | static void rtl_tally_reset(struct r8152 *tp) |
| 2956 | { |
| 2957 | u32 ocp_data; |
| 2958 | |
| 2959 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_RSTTALLY); |
| 2960 | ocp_data |= TALLY_RESET; |
| 2961 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_RSTTALLY, ocp_data); |
| 2962 | } |
| 2963 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 2964 | static void r8152b_init(struct r8152 *tp) |
| 2965 | { |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 2966 | u32 ocp_data; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 2967 | |
hayeswang | 6871438 | 2014-04-11 17:54:31 +0800 | [diff] [blame] | 2968 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) |
| 2969 | return; |
| 2970 | |
hayeswang | d70b113 | 2014-09-19 15:17:18 +0800 | [diff] [blame] | 2971 | r8152b_disable_aldps(tp); |
| 2972 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 2973 | if (tp->version == RTL_VER_01) { |
| 2974 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE); |
| 2975 | ocp_data &= ~LED_MODE_MASK; |
| 2976 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE, ocp_data); |
| 2977 | } |
| 2978 | |
hayeswang | 00a5e36 | 2014-02-18 21:48:59 +0800 | [diff] [blame] | 2979 | r8152_power_cut_en(tp, false); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 2980 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 2981 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR); |
| 2982 | ocp_data |= TX_10M_IDLE_EN | PFM_PWM_SWITCH; |
| 2983 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR, ocp_data); |
| 2984 | ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL); |
| 2985 | ocp_data &= ~MCU_CLK_RATIO_MASK; |
| 2986 | ocp_data |= MCU_CLK_RATIO | D3_CLK_GATED_EN; |
| 2987 | ocp_write_dword(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL, ocp_data); |
| 2988 | ocp_data = GPHY_STS_MSK | SPEED_DOWN_MSK | |
| 2989 | SPDWN_RXDV_MSK | SPDWN_LINKCHG_MSK; |
| 2990 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_GPHY_INTR_IMR, ocp_data); |
| 2991 | |
| 2992 | r8152b_enable_eee(tp); |
| 2993 | r8152b_enable_aldps(tp); |
| 2994 | r8152b_enable_fc(tp); |
hayeswang | 4f1d4d5 | 2014-03-11 16:24:19 +0800 | [diff] [blame] | 2995 | rtl_tally_reset(tp); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 2996 | |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 2997 | /* enable rx aggregation */ |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 2998 | ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_USB_CTRL); |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 2999 | ocp_data &= ~RX_AGG_DISABLE; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 3000 | ocp_write_word(tp, MCU_TYPE_USB, USB_USB_CTRL, ocp_data); |
| 3001 | } |
| 3002 | |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 3003 | static void r8153_init(struct r8152 *tp) |
| 3004 | { |
| 3005 | u32 ocp_data; |
| 3006 | int i; |
| 3007 | |
hayeswang | 6871438 | 2014-04-11 17:54:31 +0800 | [diff] [blame] | 3008 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) |
| 3009 | return; |
| 3010 | |
hayeswang | d70b113 | 2014-09-19 15:17:18 +0800 | [diff] [blame] | 3011 | r8153_disable_aldps(tp); |
hayeswang | b970272 | 2014-02-18 21:49:00 +0800 | [diff] [blame] | 3012 | r8153_u1u2en(tp, false); |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 3013 | |
| 3014 | for (i = 0; i < 500; i++) { |
| 3015 | if (ocp_read_word(tp, MCU_TYPE_PLA, PLA_BOOT_CTRL) & |
| 3016 | AUTOLOAD_DONE) |
| 3017 | break; |
| 3018 | msleep(20); |
| 3019 | } |
| 3020 | |
| 3021 | for (i = 0; i < 500; i++) { |
| 3022 | ocp_data = ocp_reg_read(tp, OCP_PHY_STATUS) & PHY_STAT_MASK; |
| 3023 | if (ocp_data == PHY_STAT_LAN_ON || ocp_data == PHY_STAT_PWRDN) |
| 3024 | break; |
| 3025 | msleep(20); |
| 3026 | } |
| 3027 | |
hayeswang | b970272 | 2014-02-18 21:49:00 +0800 | [diff] [blame] | 3028 | r8153_u2p3en(tp, false); |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 3029 | |
| 3030 | ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_WDT11_CTRL); |
| 3031 | ocp_data &= ~TIMER11_EN; |
| 3032 | ocp_write_word(tp, MCU_TYPE_USB, USB_WDT11_CTRL, ocp_data); |
| 3033 | |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 3034 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE); |
| 3035 | ocp_data &= ~LED_MODE_MASK; |
| 3036 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE, ocp_data); |
| 3037 | |
| 3038 | ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_LPM_CTRL); |
| 3039 | ocp_data &= ~LPM_TIMER_MASK; |
| 3040 | if (tp->udev->speed == USB_SPEED_SUPER) |
| 3041 | ocp_data |= LPM_TIMER_500US; |
| 3042 | else |
| 3043 | ocp_data |= LPM_TIMER_500MS; |
| 3044 | ocp_write_byte(tp, MCU_TYPE_USB, USB_LPM_CTRL, ocp_data); |
| 3045 | |
| 3046 | ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_AFE_CTRL2); |
| 3047 | ocp_data &= ~SEN_VAL_MASK; |
| 3048 | ocp_data |= SEN_VAL_NORMAL | SEL_RXIDLE; |
| 3049 | ocp_write_word(tp, MCU_TYPE_USB, USB_AFE_CTRL2, ocp_data); |
| 3050 | |
hayeswang | b970272 | 2014-02-18 21:49:00 +0800 | [diff] [blame] | 3051 | r8153_power_cut_en(tp, false); |
| 3052 | r8153_u1u2en(tp, true); |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 3053 | |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 3054 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL, ALDPS_SPDWN_RATIO); |
| 3055 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL2, EEE_SPDWN_RATIO); |
| 3056 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL3, |
| 3057 | PKT_AVAIL_SPDWN_EN | SUSPEND_SPDWN_EN | |
| 3058 | U1U2_SPDWN_EN | L1_SPDWN_EN); |
| 3059 | ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL4, |
| 3060 | PWRSAVE_SPDWN_EN | RXDV_SPDWN_EN | TX10MIDLE_EN | |
| 3061 | TP100_SPDWN_EN | TP500_SPDWN_EN | TP1000_SPDWN_EN | |
| 3062 | EEE_SPDWN_EN); |
| 3063 | |
| 3064 | r8153_enable_eee(tp); |
| 3065 | r8153_enable_aldps(tp); |
| 3066 | r8152b_enable_fc(tp); |
hayeswang | 4f1d4d5 | 2014-03-11 16:24:19 +0800 | [diff] [blame] | 3067 | rtl_tally_reset(tp); |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 3068 | } |
| 3069 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 3070 | static int rtl8152_suspend(struct usb_interface *intf, pm_message_t message) |
| 3071 | { |
| 3072 | struct r8152 *tp = usb_get_intfdata(intf); |
| 3073 | |
hayeswang | 9a4be1b | 2014-02-18 21:49:07 +0800 | [diff] [blame] | 3074 | if (PMSG_IS_AUTO(message)) |
| 3075 | set_bit(SELECTIVE_SUSPEND, &tp->flags); |
| 3076 | else |
| 3077 | netif_device_detach(tp->netdev); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 3078 | |
| 3079 | if (netif_running(tp->netdev)) { |
| 3080 | clear_bit(WORK_ENABLE, &tp->flags); |
hayeswang | 40a8291 | 2013-08-14 20:54:40 +0800 | [diff] [blame] | 3081 | usb_kill_urb(tp->intr_urb); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 3082 | cancel_delayed_work_sync(&tp->schedule); |
hayeswang | 445f7f4 | 2014-09-23 16:31:47 +0800 | [diff] [blame] | 3083 | tasklet_disable(&tp->tl); |
hayeswang | 9a4be1b | 2014-02-18 21:49:07 +0800 | [diff] [blame] | 3084 | if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) { |
hayeswang | 445f7f4 | 2014-09-23 16:31:47 +0800 | [diff] [blame] | 3085 | rtl_stop_rx(tp); |
hayeswang | 9a4be1b | 2014-02-18 21:49:07 +0800 | [diff] [blame] | 3086 | rtl_runtime_suspend_enable(tp, true); |
| 3087 | } else { |
hayeswang | 9a4be1b | 2014-02-18 21:49:07 +0800 | [diff] [blame] | 3088 | tp->rtl_ops.down(tp); |
hayeswang | 9a4be1b | 2014-02-18 21:49:07 +0800 | [diff] [blame] | 3089 | } |
hayeswang | 445f7f4 | 2014-09-23 16:31:47 +0800 | [diff] [blame] | 3090 | tasklet_enable(&tp->tl); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 3091 | } |
| 3092 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 3093 | return 0; |
| 3094 | } |
| 3095 | |
| 3096 | static int rtl8152_resume(struct usb_interface *intf) |
| 3097 | { |
| 3098 | struct r8152 *tp = usb_get_intfdata(intf); |
| 3099 | |
hayeswang | 9a4be1b | 2014-02-18 21:49:07 +0800 | [diff] [blame] | 3100 | if (!test_bit(SELECTIVE_SUSPEND, &tp->flags)) { |
| 3101 | tp->rtl_ops.init(tp); |
| 3102 | netif_device_attach(tp->netdev); |
| 3103 | } |
| 3104 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 3105 | if (netif_running(tp->netdev)) { |
hayeswang | 9a4be1b | 2014-02-18 21:49:07 +0800 | [diff] [blame] | 3106 | if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) { |
| 3107 | rtl_runtime_suspend_enable(tp, false); |
| 3108 | clear_bit(SELECTIVE_SUSPEND, &tp->flags); |
hayeswang | 445f7f4 | 2014-09-23 16:31:47 +0800 | [diff] [blame] | 3109 | set_bit(WORK_ENABLE, &tp->flags); |
hayeswang | 9a4be1b | 2014-02-18 21:49:07 +0800 | [diff] [blame] | 3110 | if (tp->speed & LINK_STATUS) |
hayeswang | 445f7f4 | 2014-09-23 16:31:47 +0800 | [diff] [blame] | 3111 | rtl_start_rx(tp); |
hayeswang | 9a4be1b | 2014-02-18 21:49:07 +0800 | [diff] [blame] | 3112 | } else { |
| 3113 | tp->rtl_ops.up(tp); |
| 3114 | rtl8152_set_speed(tp, AUTONEG_ENABLE, |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 3115 | tp->mii.supports_gmii ? SPEED_1000 : SPEED_100, |
| 3116 | DUPLEX_FULL); |
hayeswang | 445f7f4 | 2014-09-23 16:31:47 +0800 | [diff] [blame] | 3117 | tp->speed = 0; |
| 3118 | netif_carrier_off(tp->netdev); |
| 3119 | set_bit(WORK_ENABLE, &tp->flags); |
hayeswang | 9a4be1b | 2014-02-18 21:49:07 +0800 | [diff] [blame] | 3120 | } |
hayeswang | 40a8291 | 2013-08-14 20:54:40 +0800 | [diff] [blame] | 3121 | usb_submit_urb(tp->intr_urb, GFP_KERNEL); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 3122 | } |
| 3123 | |
| 3124 | return 0; |
| 3125 | } |
| 3126 | |
hayeswang | 21ff2e8 | 2014-02-18 21:49:06 +0800 | [diff] [blame] | 3127 | static void rtl8152_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) |
| 3128 | { |
| 3129 | struct r8152 *tp = netdev_priv(dev); |
| 3130 | |
hayeswang | 9a4be1b | 2014-02-18 21:49:07 +0800 | [diff] [blame] | 3131 | if (usb_autopm_get_interface(tp->intf) < 0) |
| 3132 | return; |
| 3133 | |
hayeswang | 21ff2e8 | 2014-02-18 21:49:06 +0800 | [diff] [blame] | 3134 | wol->supported = WAKE_ANY; |
| 3135 | wol->wolopts = __rtl_get_wol(tp); |
hayeswang | 9a4be1b | 2014-02-18 21:49:07 +0800 | [diff] [blame] | 3136 | |
| 3137 | usb_autopm_put_interface(tp->intf); |
hayeswang | 21ff2e8 | 2014-02-18 21:49:06 +0800 | [diff] [blame] | 3138 | } |
| 3139 | |
| 3140 | static int rtl8152_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) |
| 3141 | { |
| 3142 | struct r8152 *tp = netdev_priv(dev); |
hayeswang | 9a4be1b | 2014-02-18 21:49:07 +0800 | [diff] [blame] | 3143 | int ret; |
| 3144 | |
| 3145 | ret = usb_autopm_get_interface(tp->intf); |
| 3146 | if (ret < 0) |
| 3147 | goto out_set_wol; |
hayeswang | 21ff2e8 | 2014-02-18 21:49:06 +0800 | [diff] [blame] | 3148 | |
| 3149 | __rtl_set_wol(tp, wol->wolopts); |
| 3150 | tp->saved_wolopts = wol->wolopts & WAKE_ANY; |
| 3151 | |
hayeswang | 9a4be1b | 2014-02-18 21:49:07 +0800 | [diff] [blame] | 3152 | usb_autopm_put_interface(tp->intf); |
| 3153 | |
| 3154 | out_set_wol: |
| 3155 | return ret; |
hayeswang | 21ff2e8 | 2014-02-18 21:49:06 +0800 | [diff] [blame] | 3156 | } |
| 3157 | |
hayeswang | a5ec27c | 2014-02-18 21:49:11 +0800 | [diff] [blame] | 3158 | static u32 rtl8152_get_msglevel(struct net_device *dev) |
| 3159 | { |
| 3160 | struct r8152 *tp = netdev_priv(dev); |
| 3161 | |
| 3162 | return tp->msg_enable; |
| 3163 | } |
| 3164 | |
| 3165 | static void rtl8152_set_msglevel(struct net_device *dev, u32 value) |
| 3166 | { |
| 3167 | struct r8152 *tp = netdev_priv(dev); |
| 3168 | |
| 3169 | tp->msg_enable = value; |
| 3170 | } |
| 3171 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 3172 | static void rtl8152_get_drvinfo(struct net_device *netdev, |
| 3173 | struct ethtool_drvinfo *info) |
| 3174 | { |
| 3175 | struct r8152 *tp = netdev_priv(netdev); |
| 3176 | |
| 3177 | strncpy(info->driver, MODULENAME, ETHTOOL_BUSINFO_LEN); |
| 3178 | strncpy(info->version, DRIVER_VERSION, ETHTOOL_BUSINFO_LEN); |
| 3179 | usb_make_path(tp->udev, info->bus_info, sizeof(info->bus_info)); |
| 3180 | } |
| 3181 | |
| 3182 | static |
| 3183 | int rtl8152_get_settings(struct net_device *netdev, struct ethtool_cmd *cmd) |
| 3184 | { |
| 3185 | struct r8152 *tp = netdev_priv(netdev); |
| 3186 | |
| 3187 | if (!tp->mii.mdio_read) |
| 3188 | return -EOPNOTSUPP; |
| 3189 | |
| 3190 | return mii_ethtool_gset(&tp->mii, cmd); |
| 3191 | } |
| 3192 | |
| 3193 | static int rtl8152_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) |
| 3194 | { |
| 3195 | struct r8152 *tp = netdev_priv(dev); |
hayeswang | 9a4be1b | 2014-02-18 21:49:07 +0800 | [diff] [blame] | 3196 | int ret; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 3197 | |
hayeswang | 9a4be1b | 2014-02-18 21:49:07 +0800 | [diff] [blame] | 3198 | ret = usb_autopm_get_interface(tp->intf); |
| 3199 | if (ret < 0) |
| 3200 | goto out; |
| 3201 | |
| 3202 | ret = rtl8152_set_speed(tp, cmd->autoneg, cmd->speed, cmd->duplex); |
| 3203 | |
| 3204 | usb_autopm_put_interface(tp->intf); |
| 3205 | |
| 3206 | out: |
| 3207 | return ret; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 3208 | } |
| 3209 | |
hayeswang | 4f1d4d5 | 2014-03-11 16:24:19 +0800 | [diff] [blame] | 3210 | static const char rtl8152_gstrings[][ETH_GSTRING_LEN] = { |
| 3211 | "tx_packets", |
| 3212 | "rx_packets", |
| 3213 | "tx_errors", |
| 3214 | "rx_errors", |
| 3215 | "rx_missed", |
| 3216 | "align_errors", |
| 3217 | "tx_single_collisions", |
| 3218 | "tx_multi_collisions", |
| 3219 | "rx_unicast", |
| 3220 | "rx_broadcast", |
| 3221 | "rx_multicast", |
| 3222 | "tx_aborted", |
| 3223 | "tx_underrun", |
| 3224 | }; |
| 3225 | |
| 3226 | static int rtl8152_get_sset_count(struct net_device *dev, int sset) |
| 3227 | { |
| 3228 | switch (sset) { |
| 3229 | case ETH_SS_STATS: |
| 3230 | return ARRAY_SIZE(rtl8152_gstrings); |
| 3231 | default: |
| 3232 | return -EOPNOTSUPP; |
| 3233 | } |
| 3234 | } |
| 3235 | |
| 3236 | static void rtl8152_get_ethtool_stats(struct net_device *dev, |
| 3237 | struct ethtool_stats *stats, u64 *data) |
| 3238 | { |
| 3239 | struct r8152 *tp = netdev_priv(dev); |
| 3240 | struct tally_counter tally; |
| 3241 | |
hayeswang | 0b03024 | 2014-07-08 14:49:28 +0800 | [diff] [blame] | 3242 | if (usb_autopm_get_interface(tp->intf) < 0) |
| 3243 | return; |
| 3244 | |
hayeswang | 4f1d4d5 | 2014-03-11 16:24:19 +0800 | [diff] [blame] | 3245 | generic_ocp_read(tp, PLA_TALLYCNT, sizeof(tally), &tally, MCU_TYPE_PLA); |
| 3246 | |
hayeswang | 0b03024 | 2014-07-08 14:49:28 +0800 | [diff] [blame] | 3247 | usb_autopm_put_interface(tp->intf); |
| 3248 | |
hayeswang | 4f1d4d5 | 2014-03-11 16:24:19 +0800 | [diff] [blame] | 3249 | data[0] = le64_to_cpu(tally.tx_packets); |
| 3250 | data[1] = le64_to_cpu(tally.rx_packets); |
| 3251 | data[2] = le64_to_cpu(tally.tx_errors); |
| 3252 | data[3] = le32_to_cpu(tally.rx_errors); |
| 3253 | data[4] = le16_to_cpu(tally.rx_missed); |
| 3254 | data[5] = le16_to_cpu(tally.align_errors); |
| 3255 | data[6] = le32_to_cpu(tally.tx_one_collision); |
| 3256 | data[7] = le32_to_cpu(tally.tx_multi_collision); |
| 3257 | data[8] = le64_to_cpu(tally.rx_unicast); |
| 3258 | data[9] = le64_to_cpu(tally.rx_broadcast); |
| 3259 | data[10] = le32_to_cpu(tally.rx_multicast); |
| 3260 | data[11] = le16_to_cpu(tally.tx_aborted); |
| 3261 | data[12] = le16_to_cpu(tally.tx_underun); |
| 3262 | } |
| 3263 | |
| 3264 | static void rtl8152_get_strings(struct net_device *dev, u32 stringset, u8 *data) |
| 3265 | { |
| 3266 | switch (stringset) { |
| 3267 | case ETH_SS_STATS: |
| 3268 | memcpy(data, *rtl8152_gstrings, sizeof(rtl8152_gstrings)); |
| 3269 | break; |
| 3270 | } |
| 3271 | } |
| 3272 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 3273 | static struct ethtool_ops ops = { |
| 3274 | .get_drvinfo = rtl8152_get_drvinfo, |
| 3275 | .get_settings = rtl8152_get_settings, |
| 3276 | .set_settings = rtl8152_set_settings, |
| 3277 | .get_link = ethtool_op_get_link, |
hayeswang | a5ec27c | 2014-02-18 21:49:11 +0800 | [diff] [blame] | 3278 | .get_msglevel = rtl8152_get_msglevel, |
| 3279 | .set_msglevel = rtl8152_set_msglevel, |
hayeswang | 21ff2e8 | 2014-02-18 21:49:06 +0800 | [diff] [blame] | 3280 | .get_wol = rtl8152_get_wol, |
| 3281 | .set_wol = rtl8152_set_wol, |
hayeswang | 4f1d4d5 | 2014-03-11 16:24:19 +0800 | [diff] [blame] | 3282 | .get_strings = rtl8152_get_strings, |
| 3283 | .get_sset_count = rtl8152_get_sset_count, |
| 3284 | .get_ethtool_stats = rtl8152_get_ethtool_stats, |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 3285 | }; |
| 3286 | |
| 3287 | static int rtl8152_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd) |
| 3288 | { |
| 3289 | struct r8152 *tp = netdev_priv(netdev); |
| 3290 | struct mii_ioctl_data *data = if_mii(rq); |
hayeswang | 9a4be1b | 2014-02-18 21:49:07 +0800 | [diff] [blame] | 3291 | int res; |
| 3292 | |
hayeswang | 6871438 | 2014-04-11 17:54:31 +0800 | [diff] [blame] | 3293 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) |
| 3294 | return -ENODEV; |
| 3295 | |
hayeswang | 9a4be1b | 2014-02-18 21:49:07 +0800 | [diff] [blame] | 3296 | res = usb_autopm_get_interface(tp->intf); |
| 3297 | if (res < 0) |
| 3298 | goto out; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 3299 | |
| 3300 | switch (cmd) { |
| 3301 | case SIOCGMIIPHY: |
| 3302 | data->phy_id = R8152_PHY_ID; /* Internal PHY */ |
| 3303 | break; |
| 3304 | |
| 3305 | case SIOCGMIIREG: |
| 3306 | data->val_out = r8152_mdio_read(tp, data->reg_num); |
| 3307 | break; |
| 3308 | |
| 3309 | case SIOCSMIIREG: |
| 3310 | if (!capable(CAP_NET_ADMIN)) { |
| 3311 | res = -EPERM; |
| 3312 | break; |
| 3313 | } |
| 3314 | r8152_mdio_write(tp, data->reg_num, data->val_in); |
| 3315 | break; |
| 3316 | |
| 3317 | default: |
| 3318 | res = -EOPNOTSUPP; |
| 3319 | } |
| 3320 | |
hayeswang | 9a4be1b | 2014-02-18 21:49:07 +0800 | [diff] [blame] | 3321 | usb_autopm_put_interface(tp->intf); |
| 3322 | |
| 3323 | out: |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 3324 | return res; |
| 3325 | } |
| 3326 | |
hayeswang | 69b4b7a | 2014-07-10 10:58:54 +0800 | [diff] [blame] | 3327 | static int rtl8152_change_mtu(struct net_device *dev, int new_mtu) |
| 3328 | { |
| 3329 | struct r8152 *tp = netdev_priv(dev); |
| 3330 | |
| 3331 | switch (tp->version) { |
| 3332 | case RTL_VER_01: |
| 3333 | case RTL_VER_02: |
| 3334 | return eth_change_mtu(dev, new_mtu); |
| 3335 | default: |
| 3336 | break; |
| 3337 | } |
| 3338 | |
| 3339 | if (new_mtu < 68 || new_mtu > RTL8153_MAX_MTU) |
| 3340 | return -EINVAL; |
| 3341 | |
| 3342 | dev->mtu = new_mtu; |
| 3343 | |
| 3344 | return 0; |
| 3345 | } |
| 3346 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 3347 | static const struct net_device_ops rtl8152_netdev_ops = { |
| 3348 | .ndo_open = rtl8152_open, |
| 3349 | .ndo_stop = rtl8152_close, |
| 3350 | .ndo_do_ioctl = rtl8152_ioctl, |
| 3351 | .ndo_start_xmit = rtl8152_start_xmit, |
| 3352 | .ndo_tx_timeout = rtl8152_tx_timeout, |
| 3353 | .ndo_set_rx_mode = rtl8152_set_rx_mode, |
| 3354 | .ndo_set_mac_address = rtl8152_set_mac_address, |
hayeswang | 69b4b7a | 2014-07-10 10:58:54 +0800 | [diff] [blame] | 3355 | .ndo_change_mtu = rtl8152_change_mtu, |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 3356 | .ndo_validate_addr = eth_validate_addr, |
| 3357 | }; |
| 3358 | |
| 3359 | static void r8152b_get_version(struct r8152 *tp) |
| 3360 | { |
| 3361 | u32 ocp_data; |
| 3362 | u16 version; |
| 3363 | |
| 3364 | ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR1); |
| 3365 | version = (u16)(ocp_data & VERSION_MASK); |
| 3366 | |
| 3367 | switch (version) { |
| 3368 | case 0x4c00: |
| 3369 | tp->version = RTL_VER_01; |
| 3370 | break; |
| 3371 | case 0x4c10: |
| 3372 | tp->version = RTL_VER_02; |
| 3373 | break; |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 3374 | case 0x5c00: |
| 3375 | tp->version = RTL_VER_03; |
| 3376 | tp->mii.supports_gmii = 1; |
| 3377 | break; |
| 3378 | case 0x5c10: |
| 3379 | tp->version = RTL_VER_04; |
| 3380 | tp->mii.supports_gmii = 1; |
| 3381 | break; |
| 3382 | case 0x5c20: |
| 3383 | tp->version = RTL_VER_05; |
| 3384 | tp->mii.supports_gmii = 1; |
| 3385 | break; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 3386 | default: |
| 3387 | netif_info(tp, probe, tp->netdev, |
| 3388 | "Unknown version 0x%04x\n", version); |
| 3389 | break; |
| 3390 | } |
| 3391 | } |
| 3392 | |
hayeswang | e3fe0b1 | 2014-01-02 11:22:39 +0800 | [diff] [blame] | 3393 | static void rtl8152_unload(struct r8152 *tp) |
| 3394 | { |
hayeswang | 6871438 | 2014-04-11 17:54:31 +0800 | [diff] [blame] | 3395 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) |
| 3396 | return; |
| 3397 | |
hayeswang | 00a5e36 | 2014-02-18 21:48:59 +0800 | [diff] [blame] | 3398 | if (tp->version != RTL_VER_01) |
| 3399 | r8152_power_cut_en(tp, true); |
hayeswang | e3fe0b1 | 2014-01-02 11:22:39 +0800 | [diff] [blame] | 3400 | } |
| 3401 | |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 3402 | static void rtl8153_unload(struct r8152 *tp) |
| 3403 | { |
hayeswang | 6871438 | 2014-04-11 17:54:31 +0800 | [diff] [blame] | 3404 | if (test_bit(RTL8152_UNPLUG, &tp->flags)) |
| 3405 | return; |
| 3406 | |
hayeswang | 49be172 | 2014-10-01 13:25:11 +0800 | [diff] [blame] | 3407 | r8153_power_cut_en(tp, false); |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 3408 | } |
| 3409 | |
hayeswang | 31ca1de | 2014-01-06 17:08:43 +0800 | [diff] [blame] | 3410 | static int rtl_ops_init(struct r8152 *tp, const struct usb_device_id *id) |
hayeswang | c81229c | 2014-01-02 11:22:42 +0800 | [diff] [blame] | 3411 | { |
| 3412 | struct rtl_ops *ops = &tp->rtl_ops; |
hayeswang | 31ca1de | 2014-01-06 17:08:43 +0800 | [diff] [blame] | 3413 | int ret = -ENODEV; |
hayeswang | c81229c | 2014-01-02 11:22:42 +0800 | [diff] [blame] | 3414 | |
| 3415 | switch (id->idVendor) { |
| 3416 | case VENDOR_ID_REALTEK: |
| 3417 | switch (id->idProduct) { |
| 3418 | case PRODUCT_ID_RTL8152: |
| 3419 | ops->init = r8152b_init; |
| 3420 | ops->enable = rtl8152_enable; |
| 3421 | ops->disable = rtl8152_disable; |
hayeswang | d70b113 | 2014-09-19 15:17:18 +0800 | [diff] [blame] | 3422 | ops->up = rtl8152_up; |
hayeswang | c81229c | 2014-01-02 11:22:42 +0800 | [diff] [blame] | 3423 | ops->down = rtl8152_down; |
| 3424 | ops->unload = rtl8152_unload; |
hayeswang | 31ca1de | 2014-01-06 17:08:43 +0800 | [diff] [blame] | 3425 | ret = 0; |
hayeswang | c81229c | 2014-01-02 11:22:42 +0800 | [diff] [blame] | 3426 | break; |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 3427 | case PRODUCT_ID_RTL8153: |
| 3428 | ops->init = r8153_init; |
| 3429 | ops->enable = rtl8153_enable; |
hayeswang | d70b113 | 2014-09-19 15:17:18 +0800 | [diff] [blame] | 3430 | ops->disable = rtl8153_disable; |
| 3431 | ops->up = rtl8153_up; |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 3432 | ops->down = rtl8153_down; |
| 3433 | ops->unload = rtl8153_unload; |
hayeswang | 31ca1de | 2014-01-06 17:08:43 +0800 | [diff] [blame] | 3434 | ret = 0; |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 3435 | break; |
| 3436 | default: |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 3437 | break; |
| 3438 | } |
| 3439 | break; |
| 3440 | |
| 3441 | case VENDOR_ID_SAMSUNG: |
| 3442 | switch (id->idProduct) { |
| 3443 | case PRODUCT_ID_SAMSUNG: |
| 3444 | ops->init = r8153_init; |
| 3445 | ops->enable = rtl8153_enable; |
hayeswang | d70b113 | 2014-09-19 15:17:18 +0800 | [diff] [blame] | 3446 | ops->disable = rtl8153_disable; |
| 3447 | ops->up = rtl8153_up; |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 3448 | ops->down = rtl8153_down; |
| 3449 | ops->unload = rtl8153_unload; |
hayeswang | 31ca1de | 2014-01-06 17:08:43 +0800 | [diff] [blame] | 3450 | ret = 0; |
hayeswang | 43779f8 | 2014-01-02 11:25:10 +0800 | [diff] [blame] | 3451 | break; |
hayeswang | c81229c | 2014-01-02 11:22:42 +0800 | [diff] [blame] | 3452 | default: |
hayeswang | c81229c | 2014-01-02 11:22:42 +0800 | [diff] [blame] | 3453 | break; |
| 3454 | } |
| 3455 | break; |
| 3456 | |
| 3457 | default: |
hayeswang | c81229c | 2014-01-02 11:22:42 +0800 | [diff] [blame] | 3458 | break; |
| 3459 | } |
| 3460 | |
hayeswang | 31ca1de | 2014-01-06 17:08:43 +0800 | [diff] [blame] | 3461 | if (ret) |
| 3462 | netif_err(tp, probe, tp->netdev, "Unknown Device\n"); |
| 3463 | |
hayeswang | c81229c | 2014-01-02 11:22:42 +0800 | [diff] [blame] | 3464 | return ret; |
| 3465 | } |
| 3466 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 3467 | static int rtl8152_probe(struct usb_interface *intf, |
| 3468 | const struct usb_device_id *id) |
| 3469 | { |
| 3470 | struct usb_device *udev = interface_to_usbdev(intf); |
| 3471 | struct r8152 *tp; |
| 3472 | struct net_device *netdev; |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 3473 | int ret; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 3474 | |
hayeswang | 10c3271 | 2014-03-04 20:47:48 +0800 | [diff] [blame] | 3475 | if (udev->actconfig->desc.bConfigurationValue != 1) { |
| 3476 | usb_driver_set_configuration(udev, 1); |
| 3477 | return -ENODEV; |
| 3478 | } |
| 3479 | |
| 3480 | usb_reset_device(udev); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 3481 | netdev = alloc_etherdev(sizeof(struct r8152)); |
| 3482 | if (!netdev) { |
Hayes Wang | 4a8deae | 2014-01-07 11:18:22 +0800 | [diff] [blame] | 3483 | dev_err(&intf->dev, "Out of memory\n"); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 3484 | return -ENOMEM; |
| 3485 | } |
| 3486 | |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 3487 | SET_NETDEV_DEV(netdev, &intf->dev); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 3488 | tp = netdev_priv(netdev); |
| 3489 | tp->msg_enable = 0x7FFF; |
| 3490 | |
hayeswang | e3ad412 | 2014-01-06 17:08:42 +0800 | [diff] [blame] | 3491 | tp->udev = udev; |
| 3492 | tp->netdev = netdev; |
| 3493 | tp->intf = intf; |
| 3494 | |
hayeswang | 31ca1de | 2014-01-06 17:08:43 +0800 | [diff] [blame] | 3495 | ret = rtl_ops_init(tp, id); |
| 3496 | if (ret) |
| 3497 | goto out; |
hayeswang | c81229c | 2014-01-02 11:22:42 +0800 | [diff] [blame] | 3498 | |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 3499 | tasklet_init(&tp->tl, bottom_half, (unsigned long)tp); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 3500 | INIT_DELAYED_WORK(&tp->schedule, rtl_work_func_t); |
| 3501 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 3502 | netdev->netdev_ops = &rtl8152_netdev_ops; |
| 3503 | netdev->watchdog_timeo = RTL8152_TX_TIMEOUT; |
hayeswang | 5bd2388 | 2013-08-14 20:54:39 +0800 | [diff] [blame] | 3504 | |
hayeswang | 60c8907 | 2014-03-07 11:04:39 +0800 | [diff] [blame] | 3505 | netdev->features |= NETIF_F_RXCSUM | NETIF_F_IP_CSUM | NETIF_F_SG | |
hayeswang | 6128d1bb | 2014-03-07 11:04:40 +0800 | [diff] [blame] | 3506 | NETIF_F_TSO | NETIF_F_FRAGLIST | NETIF_F_IPV6_CSUM | |
| 3507 | NETIF_F_TSO6; |
hayeswang | 60c8907 | 2014-03-07 11:04:39 +0800 | [diff] [blame] | 3508 | netdev->hw_features = NETIF_F_RXCSUM | NETIF_F_IP_CSUM | NETIF_F_SG | |
hayeswang | 6128d1bb | 2014-03-07 11:04:40 +0800 | [diff] [blame] | 3509 | NETIF_F_TSO | NETIF_F_FRAGLIST | |
| 3510 | NETIF_F_IPV6_CSUM | NETIF_F_TSO6; |
hayeswang | db8515e | 2014-03-06 15:07:16 +0800 | [diff] [blame] | 3511 | |
Wilfried Klaebe | 7ad24ea | 2014-05-11 00:12:32 +0000 | [diff] [blame] | 3512 | netdev->ethtool_ops = &ops; |
hayeswang | 60c8907 | 2014-03-07 11:04:39 +0800 | [diff] [blame] | 3513 | netif_set_gso_max_size(netdev, RTL_LIMITED_TSO_SIZE); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 3514 | |
| 3515 | tp->mii.dev = netdev; |
| 3516 | tp->mii.mdio_read = read_mii_word; |
| 3517 | tp->mii.mdio_write = write_mii_word; |
| 3518 | tp->mii.phy_id_mask = 0x3f; |
| 3519 | tp->mii.reg_num_mask = 0x1f; |
| 3520 | tp->mii.phy_id = R8152_PHY_ID; |
| 3521 | tp->mii.supports_gmii = 0; |
| 3522 | |
hayeswang | 9a4be1b | 2014-02-18 21:49:07 +0800 | [diff] [blame] | 3523 | intf->needs_remote_wakeup = 1; |
| 3524 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 3525 | r8152b_get_version(tp); |
hayeswang | c81229c | 2014-01-02 11:22:42 +0800 | [diff] [blame] | 3526 | tp->rtl_ops.init(tp); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 3527 | set_ethernet_addr(tp); |
| 3528 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 3529 | usb_set_intfdata(intf, tp); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 3530 | |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 3531 | ret = register_netdev(netdev); |
| 3532 | if (ret != 0) { |
Hayes Wang | 4a8deae | 2014-01-07 11:18:22 +0800 | [diff] [blame] | 3533 | netif_err(tp, probe, netdev, "couldn't register the device\n"); |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 3534 | goto out1; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 3535 | } |
| 3536 | |
hayeswang | 21ff2e8 | 2014-02-18 21:49:06 +0800 | [diff] [blame] | 3537 | tp->saved_wolopts = __rtl_get_wol(tp); |
| 3538 | if (tp->saved_wolopts) |
| 3539 | device_set_wakeup_enable(&udev->dev, true); |
| 3540 | else |
| 3541 | device_set_wakeup_enable(&udev->dev, false); |
| 3542 | |
Hayes Wang | 4a8deae | 2014-01-07 11:18:22 +0800 | [diff] [blame] | 3543 | netif_info(tp, probe, netdev, "%s\n", DRIVER_VERSION); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 3544 | |
| 3545 | return 0; |
| 3546 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 3547 | out1: |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 3548 | usb_set_intfdata(intf, NULL); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 3549 | out: |
| 3550 | free_netdev(netdev); |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 3551 | return ret; |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 3552 | } |
| 3553 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 3554 | static void rtl8152_disconnect(struct usb_interface *intf) |
| 3555 | { |
| 3556 | struct r8152 *tp = usb_get_intfdata(intf); |
| 3557 | |
| 3558 | usb_set_intfdata(intf, NULL); |
| 3559 | if (tp) { |
hayeswang | f561de3 | 2014-09-30 16:48:01 +0800 | [diff] [blame] | 3560 | struct usb_device *udev = tp->udev; |
| 3561 | |
| 3562 | if (udev->state == USB_STATE_NOTATTACHED) |
| 3563 | set_bit(RTL8152_UNPLUG, &tp->flags); |
| 3564 | |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 3565 | tasklet_kill(&tp->tl); |
| 3566 | unregister_netdev(tp->netdev); |
hayeswang | c81229c | 2014-01-02 11:22:42 +0800 | [diff] [blame] | 3567 | tp->rtl_ops.unload(tp); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 3568 | free_netdev(tp->netdev); |
| 3569 | } |
| 3570 | } |
| 3571 | |
| 3572 | /* table of devices that work with this driver */ |
| 3573 | static struct usb_device_id rtl8152_table[] = { |
hayeswang | 10c3271 | 2014-03-04 20:47:48 +0800 | [diff] [blame] | 3574 | {USB_DEVICE(VENDOR_ID_REALTEK, PRODUCT_ID_RTL8152)}, |
| 3575 | {USB_DEVICE(VENDOR_ID_REALTEK, PRODUCT_ID_RTL8153)}, |
| 3576 | {USB_DEVICE(VENDOR_ID_SAMSUNG, PRODUCT_ID_SAMSUNG)}, |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 3577 | {} |
| 3578 | }; |
| 3579 | |
| 3580 | MODULE_DEVICE_TABLE(usb, rtl8152_table); |
| 3581 | |
| 3582 | static struct usb_driver rtl8152_driver = { |
| 3583 | .name = MODULENAME, |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 3584 | .id_table = rtl8152_table, |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 3585 | .probe = rtl8152_probe, |
| 3586 | .disconnect = rtl8152_disconnect, |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 3587 | .suspend = rtl8152_suspend, |
hayeswang | ebc2ec48 | 2013-08-14 20:54:38 +0800 | [diff] [blame] | 3588 | .resume = rtl8152_resume, |
| 3589 | .reset_resume = rtl8152_resume, |
hayeswang | 9a4be1b | 2014-02-18 21:49:07 +0800 | [diff] [blame] | 3590 | .supports_autosuspend = 1, |
hayeswang | a634782 | 2014-02-18 21:49:10 +0800 | [diff] [blame] | 3591 | .disable_hub_initiated_lpm = 1, |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 3592 | }; |
| 3593 | |
Sachin Kamat | b4236daa | 2013-05-16 17:48:08 +0000 | [diff] [blame] | 3594 | module_usb_driver(rtl8152_driver); |
hayeswang | ac718b6 | 2013-05-02 16:01:25 +0000 | [diff] [blame] | 3595 | |
| 3596 | MODULE_AUTHOR(DRIVER_AUTHOR); |
| 3597 | MODULE_DESCRIPTION(DRIVER_DESC); |
| 3598 | MODULE_LICENSE("GPL"); |