全志A63使用USB转以太网 RTL8152B 设置mac

技术2022-07-11 117

背景在全志A63板子上使用了一个USB转以太网 RTL8152B芯片，但是测试过程中发现不能上网，需要手动写入mac。经过一番询问，需要购买mac。为了自动写入mac,修改驱动就可以。修改文件 lichee/linux-3.10/drivers/net/usb/r8152.c 修改内容 //added by ZWQ in 20181106 extern int sunxi_get_soc_chipid(u8 *chipid);//16 字节 static int rtl8152_set_mac_address(struct net_device *netdev, void *p); static inline void set_ethernet_addr(struct r8152 *tp) { #if 0 struct net_device *dev = tp->netdev; u8 *node_id; node_id = kmalloc(sizeof(u8) * 8, GFP_KERNEL); if (!node_id) { netif_err(tp, probe, dev, "out of memory"); return; } if (pla_ocp_read(tp, PLA_IDR, sizeof(u8) * 8, node_id) < 0) netif_notice(tp, probe, dev, "inet addr fail\n"); else { memcpy(dev->dev_addr, node_id, dev->addr_len); memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); } kfree(node_id); #else //-------------------------------------------------- struct net_device *dev = tp->netdev; struct sockaddr sa; int ret; unsigned char chipid[16];//ZWQ 芯片ID号 int ii =0 ; if (tp->version == RTL_VER_01) ret = pla_ocp_read(tp, PLA_IDR, 8, sa.sa_data); else ret = pla_ocp_read(tp, PLA_BACKUP, 8, sa.sa_data); if (ret < 0) { netif_err(tp, probe, dev, "ether addr fail\n"); } else if (!is_valid_ether_addr(sa.sa_data)) { netif_warn(tp, probe, dev, "Invalid ether addr\n"); eth_hw_addr_random(dev); memcpy(sa.sa_data, dev->dev_addr, ETH_ALEN); memset(chipid,0,16); sunxi_get_soc_chipid(chipid); //04:7d:7b:b8:ee:be 例如这6个字节 memcpy( dev->dev_addr,&chipid[10], ETH_ALEN); memcpy(sa.sa_data, dev->dev_addr, ETH_ALEN);//unsigned char dev_addr[MAX_ADDR_LEN] ETH_ALEN = 6 rtl8152_set_mac_address(dev, &sa); } else { if (tp->version == RTL_VER_01) memcpy(dev->dev_addr, sa.sa_data, ETH_ALEN); else ret = rtl8152_set_mac_address(dev, &sa); #if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,13) memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); #endif } #endif } 完整驱动 /* * Copyright (c) 2013 Realtek Semiconductor Corp. All rights reserved. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * version 2 as published by the Free Software Foundation. * */ #include <linux/init.h> #include <linux/signal.h> #include <linux/slab.h> #include <linux/module.h> #include <linux/version.h> #include <linux/netdevice.h> #include <linux/etherdevice.h> #include <linux/mii.h> #include <linux/ethtool.h> #include <linux/usb.h> #include <linux/crc32.h> #include <linux/if_vlan.h> #include <linux/uaccess.h> /* Version Information */ #define DRIVER_VERSION "v1.0.0 (2013/05/03)" #define DRIVER_AUTHOR "Realtek linux nic maintainers <nic_swsd@realtek.com>" #define DRIVER_DESC "Realtek RTL8152 Based USB 2.0 Ethernet Adapters" #define MODULENAME "r8152" #define R8152_PHY_ID 32 #define PLA_IDR 0xc000 #define PLA_RCR 0xc010 #define PLA_RMS 0xc016 #define PLA_RXFIFO_CTRL0 0xc0a0 #define PLA_RXFIFO_CTRL1 0xc0a4 #define PLA_RXFIFO_CTRL2 0xc0a8 #define PLA_FMC 0xc0b4 #define PLA_CFG_WOL 0xc0b6 #define PLA_MAR 0xcd00 #define PLA_BACKUP 0xd000 #define PAL_BDC_CR 0xd1a0 #define PLA_LEDSEL 0xdd90 #define PLA_LED_FEATURE 0xdd92 #define PLA_PHYAR 0xde00 #define PLA_GPHY_INTR_IMR 0xe022 #define PLA_EEE_CR 0xe040 #define PLA_EEEP_CR 0xe080 #define PLA_MAC_PWR_CTRL 0xe0c0 #define PLA_TCR0 0xe610 #define PLA_TCR1 0xe612 #define PLA_TXFIFO_CTRL 0xe618 #define PLA_RSTTELLY 0xe800 #define PLA_CR 0xe813 #define PLA_CRWECR 0xe81c #define PLA_CONFIG5 0xe822 #define PLA_PHY_PWR 0xe84c #define PLA_OOB_CTRL 0xe84f #define PLA_CPCR 0xe854 #define PLA_MISC_0 0xe858 #define PLA_MISC_1 0xe85a #define PLA_OCP_GPHY_BASE 0xe86c #define PLA_TELLYCNT 0xe890 #define PLA_SFF_STS_7 0xe8de #define PLA_PHYSTATUS 0xe908 #define PLA_BP_BA 0xfc26 #define PLA_BP_0 0xfc28 #define PLA_BP_1 0xfc2a #define PLA_BP_2 0xfc2c #define PLA_BP_3 0xfc2e #define PLA_BP_4 0xfc30 #define PLA_BP_5 0xfc32 #define PLA_BP_6 0xfc34 #define PLA_BP_7 0xfc36 #define USB_DEV_STAT 0xb808 #define USB_USB_CTRL 0xd406 #define USB_PHY_CTRL 0xd408 #define USB_TX_AGG 0xd40a #define USB_RX_BUF_TH 0xd40c #define USB_USB_TIMER 0xd428 #define USB_PM_CTRL_STATUS 0xd432 #define USB_TX_DMA 0xd434 #define USB_UPS_CTRL 0xd800 #define USB_BP_BA 0xfc26 #define USB_BP_0 0xfc28 #define USB_BP_1 0xfc2a #define USB_BP_2 0xfc2c #define USB_BP_3 0xfc2e #define USB_BP_4 0xfc30 #define USB_BP_5 0xfc32 #define USB_BP_6 0xfc34 #define USB_BP_7 0xfc36 /* OCP Registers */ #define OCP_ALDPS_CONFIG 0x2010 #define OCP_EEE_CONFIG1 0x2080 #define OCP_EEE_CONFIG2 0x2092 #define OCP_EEE_CONFIG3 0x2094 #define OCP_EEE_AR 0xa41a #define OCP_EEE_DATA 0xa41c /* PLA_RCR */ #define RCR_AAP 0x00000001 #define RCR_APM 0x00000002 #define RCR_AM 0x00000004 #define RCR_AB 0x00000008 #define RCR_ACPT_ALL (RCR_AAP | RCR_APM | RCR_AM | RCR_AB) /* PLA_RXFIFO_CTRL0 */ #define RXFIFO_THR1_NORMAL 0x00080002 #define RXFIFO_THR1_OOB 0x01800003 /* PLA_RXFIFO_CTRL1 */ #define RXFIFO_THR2_FULL 0x00000060 #define RXFIFO_THR2_HIGH 0x00000038 #define RXFIFO_THR2_OOB 0x0000004a /* PLA_RXFIFO_CTRL2 */ #define RXFIFO_THR3_FULL 0x00000078 #define RXFIFO_THR3_HIGH 0x00000048 #define RXFIFO_THR3_OOB 0x0000005a /* PLA_TXFIFO_CTRL */ #define TXFIFO_THR_NORMAL 0x00400008 /* PLA_FMC */ #define FMC_FCR_MCU_EN 0x0001 /* PLA_EEEP_CR */ #define EEEP_CR_EEEP_TX 0x0002 /* PLA_TCR0 */ #define TCR0_TX_EMPTY 0x0800 #define TCR0_AUTO_FIFO 0x0080 /* PLA_TCR1 */ #define VERSION_MASK 0x7cf0 /* PLA_CR */ #define CR_RST 0x10 #define CR_RE 0x08 #define CR_TE 0x04 /* PLA_CRWECR */ #define CRWECR_NORAML 0x00 #define CRWECR_CONFIG 0xc0 /* PLA_OOB_CTRL */ #define NOW_IS_OOB 0x80 #define TXFIFO_EMPTY 0x20 #define RXFIFO_EMPTY 0x10 #define LINK_LIST_READY 0x02 #define DIS_MCU_CLROOB 0x01 #define FIFO_EMPTY (TXFIFO_EMPTY | RXFIFO_EMPTY) /* PLA_MISC_1 */ #define RXDY_GATED_EN 0x0008 /* PLA_SFF_STS_7 */ #define RE_INIT_LL 0x8000 #define MCU_BORW_EN 0x4000 /* PLA_CPCR */ #define CPCR_RX_VLAN 0x0040 /* PLA_CFG_WOL */ #define MAGIC_EN 0x0001 /* PAL_BDC_CR */ #define ALDPS_PROXY_MODE 0x0001 /* PLA_CONFIG5 */ #define LAN_WAKE_EN 0x0002 /* PLA_LED_FEATURE */ #define LED_MODE_MASK 0x0700 /* PLA_PHY_PWR */ #define TX_10M_IDLE_EN 0x0080 #define PFM_PWM_SWITCH 0x0040 /* PLA_MAC_PWR_CTRL */ #define D3_CLK_GATED_EN 0x00004000 #define MCU_CLK_RATIO 0x07010f07 #define MCU_CLK_RATIO_MASK 0x0f0f0f0f /* PLA_GPHY_INTR_IMR */ #define GPHY_STS_MSK 0x0001 #define SPEED_DOWN_MSK 0x0002 #define SPDWN_RXDV_MSK 0x0004 #define SPDWN_LINKCHG_MSK 0x0008 /* PLA_PHYAR */ #define PHYAR_FLAG 0x80000000 /* PLA_EEE_CR */ #define EEE_RX_EN 0x0001 #define EEE_TX_EN 0x0002 /* USB_DEV_STAT */ #define STAT_SPEED_MASK 0x0006 #define STAT_SPEED_HIGH 0x0000 #define STAT_SPEED_FULL 0x0001 /* USB_TX_AGG */ #define TX_AGG_MAX_THRESHOLD 0x03 /* USB_RX_BUF_TH */ #define RX_BUF_THR 0x7a120180 /* USB_TX_DMA */ #define TEST_MODE_DISABLE 0x00000001 #define TX_SIZE_ADJUST1 0x00000100 /* USB_UPS_CTRL */ #define POWER_CUT 0x0100 /* USB_PM_CTRL_STATUS */ #define RWSUME_INDICATE 0x0001 /* USB_USB_CTRL */ #define RX_AGG_DISABLE 0x0010 /* OCP_ALDPS_CONFIG */ #define ENPWRSAVE 0x8000 #define ENPDNPS 0x0200 #define LINKENA 0x0100 #define DIS_SDSAVE 0x0010 /* OCP_EEE_CONFIG1 */ #define RG_TXLPI_MSK_HFDUP 0x8000 #define RG_MATCLR_EN 0x4000 #define EEE_10_CAP 0x2000 #define EEE_NWAY_EN 0x1000 #define TX_QUIET_EN 0x0200 #define RX_QUIET_EN 0x0100 #define SDRISETIME 0x0010 /* bit 4 ~ 6 */ #define RG_RXLPI_MSK_HFDUP 0x0008 #define SDFALLTIME 0x0007 /* bit 0 ~ 2 */ /* OCP_EEE_CONFIG2 */ #define RG_LPIHYS_NUM 0x7000 /* bit 12 ~ 15 */ #define RG_DACQUIET_EN 0x0400 #define RG_LDVQUIET_EN 0x0200 #define RG_CKRSEL 0x0020 #define RG_EEEPRG_EN 0x0010 /* OCP_EEE_CONFIG3 */ #define FST_SNR_EYE_R 0x1500 /* bit 7 ~ 15 */ #define RG_LFS_SEL 0x0060 /* bit 6 ~ 5 */ #define MSK_PH 0x0006 /* bit 0 ~ 3 */ /* OCP_EEE_AR */ /* bit[15:14] function */ #define FUN_ADDR 0x0000 #define FUN_DATA 0x4000 /* bit[4:0] device addr */ #define DEVICE_ADDR 0x0007 /* OCP_EEE_DATA */ #define EEE_ADDR 0x003C #define EEE_DATA 0x0002 enum rtl_register_content { _100bps = 0x08, _10bps = 0x04, LINK_STATUS = 0x02, FULL_DUP = 0x01, }; #define RTL8152_REQT_READ 0xc0 #define RTL8152_REQT_WRITE 0x40 #define RTL8152_REQ_GET_REGS 0x05 #define RTL8152_REQ_SET_REGS 0x05 #define BYTE_EN_DWORD 0xff #define BYTE_EN_WORD 0x33 #define BYTE_EN_BYTE 0x11 #define BYTE_EN_SIX_BYTES 0x3f #define BYTE_EN_START_MASK 0x0f #define BYTE_EN_END_MASK 0xf0 #define RTL8152_RMS (VLAN_ETH_FRAME_LEN + VLAN_HLEN) #define RTL8152_TX_TIMEOUT (HZ) /* rtl8152 flags */ enum rtl8152_flags { RTL8152_UNPLUG = 0, RX_URB_FAIL, RTL8152_SET_RX_MODE, WORK_ENABLE }; /* Define these values to match your device */ #define VENDOR_ID_REALTEK 0x0bda #define PRODUCT_ID_RTL8152 0x8152 #define MCU_TYPE_PLA 0x0100 #define MCU_TYPE_USB 0x0000 struct rx_desc { u32 opts1; #define RX_LEN_MASK 0x7fff u32 opts2; u32 opts3; u32 opts4; u32 opts5; u32 opts6; }; struct tx_desc { u32 opts1; #define TX_FS (1 << 31) /* First segment of a packet */ #define TX_LS (1 << 30) /* Final segment of a packet */ #define TX_LEN_MASK 0xffff u32 opts2; }; struct r8152 { unsigned long flags; struct usb_device *udev; struct tasklet_struct tl; struct net_device *netdev; struct urb *rx_urb, *tx_urb; struct sk_buff *tx_skb, *rx_skb; struct delayed_work schedule; struct mii_if_info mii; u32 msg_enable; u16 ocp_base; u8 version; u8 speed; }; enum rtl_version { RTL_VER_UNKNOWN = 0, RTL_VER_01, RTL_VER_02 }; /* Maximum number of multicast addresses to filter (vs. Rx-all-multicast). * The RTL chips use a 64 element hash table based on the Ethernet CRC. */ static const int multicast_filter_limit = 32; static int get_registers(struct r8152 *tp, u16 value, u16 index, u16 size, void *data) { return usb_control_msg(tp->udev, usb_rcvctrlpipe(tp->udev, 0), RTL8152_REQ_GET_REGS, RTL8152_REQT_READ, value, index, data, size, 500); } static int set_registers(struct r8152 *tp, u16 value, u16 index, u16 size, void *data) { return usb_control_msg(tp->udev, usb_sndctrlpipe(tp->udev, 0), RTL8152_REQ_SET_REGS, RTL8152_REQT_WRITE, value, index, data, size, 500); } static int generic_ocp_read(struct r8152 *tp, u16 index, u16 size, void *data, u16 type) { u16 limit = 64; int ret = 0; if (test_bit(RTL8152_UNPLUG, &tp->flags)) return -ENODEV; /* both size and indix must be 4 bytes align */ if ((size & 3) || !size || (index & 3) || !data) return -EPERM; if ((u32)index + (u32)size > 0xffff) return -EPERM; while (size) { if (size > limit) { ret = get_registers(tp, index, type, limit, data); if (ret < 0) break; index += limit; data += limit; size -= limit; } else { ret = get_registers(tp, index, type, size, data); if (ret < 0) break; index += size; data += size; size = 0; break; } } return ret; } static int generic_ocp_write(struct r8152 *tp, u16 index, u16 byteen, u16 size, void *data, u16 type) { int ret; u16 byteen_start, byteen_end, byen; u16 limit = 512; if (test_bit(RTL8152_UNPLUG, &tp->flags)) return -ENODEV; /* both size and indix must be 4 bytes align */ if ((size & 3) || !size || (index & 3) || !data) return -EPERM; if ((u32)index + (u32)size > 0xffff) return -EPERM; byteen_start = byteen & BYTE_EN_START_MASK; byteen_end = byteen & BYTE_EN_END_MASK; byen = byteen_start | (byteen_start << 4); ret = set_registers(tp, index, type | byen, 4, data); if (ret < 0) goto error1; index += 4; data += 4; size -= 4; if (size) { size -= 4; while (size) { if (size > limit) { ret = set_registers(tp, index, type | BYTE_EN_DWORD, limit, data); if (ret < 0) goto error1; index += limit; data += limit; size -= limit; } else { ret = set_registers(tp, index, type | BYTE_EN_DWORD, size, data); if (ret < 0) goto error1; index += size; data += size; size = 0; break; } } byen = byteen_end | (byteen_end >> 4); ret = set_registers(tp, index, type | byen, 4, data); if (ret < 0) goto error1; } error1: return ret; } static inline int pla_ocp_read(struct r8152 *tp, u16 index, u16 size, void *data) { return generic_ocp_read(tp, index, size, data, MCU_TYPE_PLA); } static inline int pla_ocp_write(struct r8152 *tp, u16 index, u16 byteen, u16 size, void *data) { return generic_ocp_write(tp, index, byteen, size, data, MCU_TYPE_PLA); } static inline int usb_ocp_read(struct r8152 *tp, u16 index, u16 size, void *data) { return generic_ocp_read(tp, index, size, data, MCU_TYPE_USB); } static inline int usb_ocp_write(struct r8152 *tp, u16 index, u16 byteen, u16 size, void *data) { return generic_ocp_write(tp, index, byteen, size, data, MCU_TYPE_USB); } static u32 ocp_read_dword(struct r8152 *tp, u16 type, u16 index) { u32 data; if (type == MCU_TYPE_PLA) pla_ocp_read(tp, index, sizeof(data), &data); else usb_ocp_read(tp, index, sizeof(data), &data); return __le32_to_cpu(data); } static void ocp_write_dword(struct r8152 *tp, u16 type, u16 index, u32 data) { if (type == MCU_TYPE_PLA) pla_ocp_write(tp, index, BYTE_EN_DWORD, sizeof(data), &data); else usb_ocp_write(tp, index, BYTE_EN_DWORD, sizeof(data), &data); } static u16 ocp_read_word(struct r8152 *tp, u16 type, u16 index) { u32 data; u8 shift = index & 2; index &= ~3; if (type == MCU_TYPE_PLA) pla_ocp_read(tp, index, sizeof(data), &data); else usb_ocp_read(tp, index, sizeof(data), &data); data = __le32_to_cpu(data); data >>= (shift * 8); data &= 0xffff; return (u16)data; } static void ocp_write_word(struct r8152 *tp, u16 type, u16 index, u32 data) { u32 tmp, mask = 0xffff; u16 byen = BYTE_EN_WORD; u8 shift = index & 2; data &= mask; if (index & 2) { byen <<= shift; mask <<= (shift * 8); data <<= (shift * 8); index &= ~3; } if (type == MCU_TYPE_PLA) pla_ocp_read(tp, index, sizeof(tmp), &tmp); else usb_ocp_read(tp, index, sizeof(tmp), &tmp); tmp = __le32_to_cpu(tmp) & ~mask; tmp |= data; tmp = __cpu_to_le32(tmp); if (type == MCU_TYPE_PLA) pla_ocp_write(tp, index, byen, sizeof(tmp), &tmp); else usb_ocp_write(tp, index, byen, sizeof(tmp), &tmp); } static u8 ocp_read_byte(struct r8152 *tp, u16 type, u16 index) { u32 data; u8 shift = index & 3; index &= ~3; if (type == MCU_TYPE_PLA) pla_ocp_read(tp, index, sizeof(data), &data); else usb_ocp_read(tp, index, sizeof(data), &data); data = __le32_to_cpu(data); data >>= (shift * 8); data &= 0xff; return (u8)data; } static void ocp_write_byte(struct r8152 *tp, u16 type, u16 index, u32 data) { u32 tmp, mask = 0xff; u16 byen = BYTE_EN_BYTE; u8 shift = index & 3; data &= mask; if (index & 3) { byen <<= shift; mask <<= (shift * 8); data <<= (shift * 8); index &= ~3; } if (type == MCU_TYPE_PLA) pla_ocp_read(tp, index, sizeof(tmp), &tmp); else usb_ocp_read(tp, index, sizeof(tmp), &tmp); tmp = __le32_to_cpu(tmp) & ~mask; tmp |= data; tmp = __cpu_to_le32(tmp); if (type == MCU_TYPE_PLA) pla_ocp_write(tp, index, byen, sizeof(tmp), &tmp); else usb_ocp_write(tp, index, byen, sizeof(tmp), &tmp); } static void r8152_mdio_write(struct r8152 *tp, u32 reg_addr, u32 value) { u32 ocp_data; int i; ocp_data = PHYAR_FLAG | ((reg_addr & 0x1f) << 16) | (value & 0xffff); ocp_write_dword(tp, MCU_TYPE_PLA, PLA_PHYAR, ocp_data); for (i = 20; i > 0; i--) { udelay(25); ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_PHYAR); if (!(ocp_data & PHYAR_FLAG)) break; } udelay(20); } static int r8152_mdio_read(struct r8152 *tp, u32 reg_addr) { u32 ocp_data; int i; ocp_data = (reg_addr & 0x1f) << 16; ocp_write_dword(tp, MCU_TYPE_PLA, PLA_PHYAR, ocp_data); for (i = 20; i > 0; i--) { udelay(25); ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_PHYAR); if (ocp_data & PHYAR_FLAG) break; } udelay(20); if (!(ocp_data & PHYAR_FLAG)) return -EAGAIN; return (u16)(ocp_data & 0xffff); } static int read_mii_word(struct net_device *netdev, int phy_id, int reg) { struct r8152 *tp = netdev_priv(netdev); if (phy_id != R8152_PHY_ID) return -EINVAL; return r8152_mdio_read(tp, reg); } static void write_mii_word(struct net_device *netdev, int phy_id, int reg, int val) { struct r8152 *tp = netdev_priv(netdev); if (phy_id != R8152_PHY_ID) return; r8152_mdio_write(tp, reg, val); } static void ocp_reg_write(struct r8152 *tp, u16 addr, u16 data) { u16 ocp_base, ocp_index; ocp_base = addr & 0xf000; if (ocp_base != tp->ocp_base) { ocp_write_word(tp, MCU_TYPE_PLA, PLA_OCP_GPHY_BASE, ocp_base); tp->ocp_base = ocp_base; } ocp_index = (addr & 0x0fff) | 0xb000; ocp_write_word(tp, MCU_TYPE_PLA, ocp_index, data); } //added by ZWQ in 20181106 extern int sunxi_get_soc_chipid(u8 *chipid);//16 字节 static int rtl8152_set_mac_address(struct net_device *netdev, void *p); static inline void set_ethernet_addr(struct r8152 *tp) { #if 0 struct net_device *dev = tp->netdev; u8 *node_id; node_id = kmalloc(sizeof(u8) * 8, GFP_KERNEL); if (!node_id) { netif_err(tp, probe, dev, "out of memory"); return; } if (pla_ocp_read(tp, PLA_IDR, sizeof(u8) * 8, node_id) < 0) netif_notice(tp, probe, dev, "inet addr fail\n"); else { memcpy(dev->dev_addr, node_id, dev->addr_len); memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); } kfree(node_id); #else //-------------------------------------------------- struct net_device *dev = tp->netdev; struct sockaddr sa; int ret; unsigned char chipid[16];//ZWQ 芯片ID号 int ii =0 ; if (tp->version == RTL_VER_01) ret = pla_ocp_read(tp, PLA_IDR, 8, sa.sa_data); else ret = pla_ocp_read(tp, PLA_BACKUP, 8, sa.sa_data); if (ret < 0) { netif_err(tp, probe, dev, "ether addr fail\n"); } else if (!is_valid_ether_addr(sa.sa_data)) { netif_warn(tp, probe, dev, "Invalid ether addr\n"); eth_hw_addr_random(dev); memcpy(sa.sa_data, dev->dev_addr, ETH_ALEN); memset(chipid,0,16); sunxi_get_soc_chipid(chipid); //04:7d:7b:b8:ee:be 例如这6个字节 memcpy( dev->dev_addr,&chipid[10], ETH_ALEN); memcpy(sa.sa_data, dev->dev_addr, ETH_ALEN);//unsigned char dev_addr[MAX_ADDR_LEN] ETH_ALEN = 6 rtl8152_set_mac_address(dev, &sa); } else { if (tp->version == RTL_VER_01) memcpy(dev->dev_addr, sa.sa_data, ETH_ALEN); else ret = rtl8152_set_mac_address(dev, &sa); #if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,13) memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); #endif } #endif } static int rtl8152_set_mac_address(struct net_device *netdev, void *p) { struct r8152 *tp = netdev_priv(netdev); struct sockaddr *addr = p; if (!is_valid_ether_addr(addr->sa_data)) return -EADDRNOTAVAIL; memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_CONFIG); pla_ocp_write(tp, PLA_IDR, BYTE_EN_SIX_BYTES, 8, addr->sa_data); ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML); return 0; } static int alloc_all_urbs(struct r8152 *tp) { tp->rx_urb = usb_alloc_urb(0, GFP_KERNEL); if (!tp->rx_urb) return 0; tp->tx_urb = usb_alloc_urb(0, GFP_KERNEL); if (!tp->tx_urb) { usb_free_urb(tp->rx_urb); return 0; } return 1; } static void free_all_urbs(struct r8152 *tp) { usb_free_urb(tp->rx_urb); usb_free_urb(tp->tx_urb); } static struct net_device_stats *rtl8152_get_stats(struct net_device *dev) { return &dev->stats; } static void read_bulk_callback(struct urb *urb) { struct r8152 *tp; unsigned pkt_len; struct sk_buff *skb; struct net_device *netdev; struct net_device_stats *stats; int status = urb->status; int result; struct rx_desc *rx_desc; tp = urb->context; if (!tp) return; if (test_bit(RTL8152_UNPLUG, &tp->flags)) return; netdev = tp->netdev; if (!netif_device_present(netdev)) return; stats = rtl8152_get_stats(netdev); switch (status) { case 0: break; case -ESHUTDOWN: set_bit(RTL8152_UNPLUG, &tp->flags); netif_device_detach(tp->netdev); case -ENOENT: return; /* the urb is in unlink state */ case -ETIME: pr_warn_ratelimited("may be reset is needed?..\n"); goto goon; default: pr_warn_ratelimited("Rx status %d\n", status); goto goon; } /* protect against short packets (tell me why we got some?!?) */ if (urb->actual_length < sizeof(*rx_desc)) goto goon; rx_desc = (struct rx_desc *)urb->transfer_buffer; pkt_len = le32_to_cpu(rx_desc->opts1) & RX_LEN_MASK; if (urb->actual_length < sizeof(struct rx_desc) + pkt_len) goto goon; skb = netdev_alloc_skb_ip_align(netdev, pkt_len); if (!skb) goto goon; memcpy(skb->data, tp->rx_skb->data + sizeof(struct rx_desc), pkt_len); skb_put(skb, pkt_len); skb->protocol = eth_type_trans(skb, netdev); netif_rx(skb); stats->rx_packets++; stats->rx_bytes += pkt_len; goon: usb_fill_bulk_urb(tp->rx_urb, tp->udev, usb_rcvbulkpipe(tp->udev, 1), tp->rx_skb->data, RTL8152_RMS + sizeof(struct rx_desc), (usb_complete_t)read_bulk_callback, tp); result = usb_submit_urb(tp->rx_urb, GFP_ATOMIC); if (result == -ENODEV) { netif_device_detach(tp->netdev); } else if (result) { set_bit(RX_URB_FAIL, &tp->flags); goto resched; } else { clear_bit(RX_URB_FAIL, &tp->flags); } return; resched: tasklet_schedule(&tp->tl); } static void rx_fixup(unsigned long data) { struct r8152 *tp; int status; tp = (struct r8152 *)data; if (!test_bit(WORK_ENABLE, &tp->flags)) return; status = usb_submit_urb(tp->rx_urb, GFP_ATOMIC); if (status == -ENODEV) { netif_device_detach(tp->netdev); } else if (status) { set_bit(RX_URB_FAIL, &tp->flags); goto tlsched; } else { clear_bit(RX_URB_FAIL, &tp->flags); } return; tlsched: tasklet_schedule(&tp->tl); } static void write_bulk_callback(struct urb *urb) { struct r8152 *tp; int status = urb->status; tp = urb->context; if (!tp) return; dev_kfree_skb_irq(tp->tx_skb); if (!netif_device_present(tp->netdev)) return; if (status) dev_info(&urb->dev->dev, "%s: Tx status %d\n", tp->netdev->name, status); tp->netdev->trans_start = jiffies; netif_wake_queue(tp->netdev); } static void rtl8152_tx_timeout(struct net_device *netdev) { struct r8152 *tp = netdev_priv(netdev); struct net_device_stats *stats = rtl8152_get_stats(netdev); netif_warn(tp, tx_err, netdev, "Tx timeout.\n"); usb_unlink_urb(tp->tx_urb); stats->tx_errors++; } static void rtl8152_set_rx_mode(struct net_device *netdev) { struct r8152 *tp = netdev_priv(netdev); if (tp->speed & LINK_STATUS) set_bit(RTL8152_SET_RX_MODE, &tp->flags); } static void _rtl8152_set_rx_mode(struct net_device *netdev) { struct r8152 *tp = netdev_priv(netdev); u32 tmp, *mc_filter; /* Multicast hash filter */ u32 ocp_data; mc_filter = kmalloc(sizeof(u32) * 2, GFP_KERNEL); if (!mc_filter) { netif_err(tp, link, netdev, "out of memory"); return; } clear_bit(RTL8152_SET_RX_MODE, &tp->flags); netif_stop_queue(netdev); ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR); ocp_data &= ~RCR_ACPT_ALL; ocp_data |= RCR_AB | RCR_APM; if (netdev->flags & IFF_PROMISC) { /* Unconditionally log net taps. */ netif_notice(tp, link, netdev, "Promiscuous mode enabled\n"); ocp_data |= RCR_AM | RCR_AAP; mc_filter[1] = mc_filter[0] = 0xffffffff; } else if ((netdev_mc_count(netdev) > multicast_filter_limit) || (netdev->flags & IFF_ALLMULTI)) { /* Too many to filter perfectly -- accept all multicasts. */ ocp_data |= RCR_AM; mc_filter[1] = mc_filter[0] = 0xffffffff; } else { struct netdev_hw_addr *ha; mc_filter[1] = mc_filter[0] = 0; netdev_for_each_mc_addr(ha, netdev) { int bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26; mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31); ocp_data |= RCR_AM; } } tmp = mc_filter[0]; mc_filter[0] = __cpu_to_le32(swab32(mc_filter[1])); mc_filter[1] = __cpu_to_le32(swab32(tmp)); pla_ocp_write(tp, PLA_MAR, BYTE_EN_DWORD, sizeof(u32) * 2, mc_filter); ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data); netif_wake_queue(netdev); kfree(mc_filter); } static netdev_tx_t rtl8152_start_xmit(struct sk_buff *skb, struct net_device *netdev) { struct r8152 *tp = netdev_priv(netdev); struct net_device_stats *stats = rtl8152_get_stats(netdev); struct tx_desc *tx_desc; int len, res; netif_stop_queue(netdev); len = skb->len; if (skb_header_cloned(skb) || skb_headroom(skb) < sizeof(*tx_desc)) { struct sk_buff *tx_skb; tx_skb = skb_copy_expand(skb, sizeof(*tx_desc), 0, GFP_ATOMIC); dev_kfree_skb_any(skb); if (!tx_skb) { stats->tx_dropped++; netif_wake_queue(netdev); return NETDEV_TX_OK; } skb = tx_skb; } tx_desc = (struct tx_desc *)skb_push(skb, sizeof(*tx_desc)); memset(tx_desc, 0, sizeof(*tx_desc)); tx_desc->opts1 = cpu_to_le32((len & TX_LEN_MASK) | TX_FS | TX_LS); tp->tx_skb = skb; skb_tx_timestamp(skb); usb_fill_bulk_urb(tp->tx_urb, tp->udev, usb_sndbulkpipe(tp->udev, 2), skb->data, skb->len, (usb_complete_t)write_bulk_callback, tp); res = usb_submit_urb(tp->tx_urb, GFP_ATOMIC); if (res) { /* Can we get/handle EPIPE here? */ if (res == -ENODEV) { netif_device_detach(tp->netdev); } else { netif_warn(tp, tx_err, netdev, "failed tx_urb %d\n", res); stats->tx_errors++; netif_start_queue(netdev); } } else { stats->tx_packets++; stats->tx_bytes += skb->len; } return NETDEV_TX_OK; } static void r8152b_reset_packet_filter(struct r8152 *tp) { u32 ocp_data; ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_FMC); ocp_data &= ~FMC_FCR_MCU_EN; ocp_write_word(tp, MCU_TYPE_PLA, PLA_FMC, ocp_data); ocp_data |= FMC_FCR_MCU_EN; ocp_write_word(tp, MCU_TYPE_PLA, PLA_FMC, ocp_data); } static void rtl8152_nic_reset(struct r8152 *tp) { int i; ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CR, CR_RST); for (i = 0; i < 1000; i++) { if (!(ocp_read_byte(tp, MCU_TYPE_PLA, PLA_CR) & CR_RST)) break; udelay(100); } } static inline u8 rtl8152_get_speed(struct r8152 *tp) { return ocp_read_byte(tp, MCU_TYPE_PLA, PLA_PHYSTATUS); } static int rtl8152_enable(struct r8152 *tp) { u32 ocp_data; u8 speed; speed = rtl8152_get_speed(tp); if (speed & _100bps) { ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR); ocp_data &= ~EEEP_CR_EEEP_TX; ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR, ocp_data); } else { ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR); ocp_data |= EEEP_CR_EEEP_TX; ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR, ocp_data); } r8152b_reset_packet_filter(tp); ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_CR); ocp_data |= CR_RE | CR_TE; ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CR, ocp_data); ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MISC_1); ocp_data &= ~RXDY_GATED_EN; ocp_write_word(tp, MCU_TYPE_PLA, PLA_MISC_1, ocp_data); usb_fill_bulk_urb(tp->rx_urb, tp->udev, usb_rcvbulkpipe(tp->udev, 1), tp->rx_skb->data, RTL8152_RMS + sizeof(struct rx_desc), (usb_complete_t)read_bulk_callback, tp); return usb_submit_urb(tp->rx_urb, GFP_KERNEL); } static void rtl8152_disable(struct r8152 *tp) { u32 ocp_data; int i; ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR); ocp_data &= ~RCR_ACPT_ALL; ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data); usb_kill_urb(tp->tx_urb); ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MISC_1); ocp_data |= RXDY_GATED_EN; ocp_write_word(tp, MCU_TYPE_PLA, PLA_MISC_1, ocp_data); for (i = 0; i < 1000; i++) { ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); if ((ocp_data & FIFO_EMPTY) == FIFO_EMPTY) break; mdelay(1); } for (i = 0; i < 1000; i++) { if (ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR0) & TCR0_TX_EMPTY) break; mdelay(1); } usb_kill_urb(tp->rx_urb); rtl8152_nic_reset(tp); } static void r8152b_exit_oob(struct r8152 *tp) { u32 ocp_data; int i; ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR); ocp_data &= ~RCR_ACPT_ALL; ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data); ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MISC_1); ocp_data |= RXDY_GATED_EN; ocp_write_word(tp, MCU_TYPE_PLA, PLA_MISC_1, ocp_data); ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML); ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CR, 0x00); ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); ocp_data &= ~NOW_IS_OOB; ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data); ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7); ocp_data &= ~MCU_BORW_EN; ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data); for (i = 0; i < 1000; i++) { ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); if (ocp_data & LINK_LIST_READY) break; mdelay(1); } ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7); ocp_data |= RE_INIT_LL; ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data); for (i = 0; i < 1000; i++) { ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); if (ocp_data & LINK_LIST_READY) break; mdelay(1); } rtl8152_nic_reset(tp); /* rx share fifo credit full threshold */ ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL0, RXFIFO_THR1_NORMAL); ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_DEV_STAT); ocp_data &= STAT_SPEED_MASK; if (ocp_data == STAT_SPEED_FULL) { /* rx share fifo credit near full threshold */ ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1, RXFIFO_THR2_FULL); ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2, RXFIFO_THR3_FULL); } else { /* rx share fifo credit near full threshold */ ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1, RXFIFO_THR2_HIGH); ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2, RXFIFO_THR3_HIGH); } /* TX share fifo free credit full threshold */ ocp_write_dword(tp, MCU_TYPE_PLA, PLA_TXFIFO_CTRL, TXFIFO_THR_NORMAL); ocp_write_byte(tp, MCU_TYPE_USB, USB_TX_AGG, TX_AGG_MAX_THRESHOLD); ocp_write_dword(tp, MCU_TYPE_USB, USB_RX_BUF_TH, RX_BUF_THR); ocp_write_dword(tp, MCU_TYPE_USB, USB_TX_DMA, TEST_MODE_DISABLE | TX_SIZE_ADJUST1); ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CPCR); ocp_data &= ~CPCR_RX_VLAN; ocp_write_word(tp, MCU_TYPE_PLA, PLA_CPCR, ocp_data); ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8152_RMS); ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR0); ocp_data |= TCR0_AUTO_FIFO; ocp_write_word(tp, MCU_TYPE_PLA, PLA_TCR0, ocp_data); } static void r8152b_enter_oob(struct r8152 *tp) { u32 ocp_data; int i; ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); ocp_data &= ~NOW_IS_OOB; ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data); ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL0, RXFIFO_THR1_OOB); ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1, RXFIFO_THR2_OOB); ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2, RXFIFO_THR3_OOB); rtl8152_disable(tp); for (i = 0; i < 1000; i++) { ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); if (ocp_data & LINK_LIST_READY) break; mdelay(1); } ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7); ocp_data |= RE_INIT_LL; ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data); for (i = 0; i < 1000; i++) { ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); if (ocp_data & LINK_LIST_READY) break; mdelay(1); } ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8152_RMS); ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CFG_WOL); ocp_data |= MAGIC_EN; ocp_write_word(tp, MCU_TYPE_PLA, PLA_CFG_WOL, ocp_data); ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CPCR); ocp_data |= CPCR_RX_VLAN; ocp_write_word(tp, MCU_TYPE_PLA, PLA_CPCR, ocp_data); ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PAL_BDC_CR); ocp_data |= ALDPS_PROXY_MODE; ocp_write_word(tp, MCU_TYPE_PLA, PAL_BDC_CR, ocp_data); ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); ocp_data |= NOW_IS_OOB | DIS_MCU_CLROOB; ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data); ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CONFIG5, LAN_WAKE_EN); ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MISC_1); ocp_data &= ~RXDY_GATED_EN; ocp_write_word(tp, MCU_TYPE_PLA, PLA_MISC_1, ocp_data); ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR); ocp_data |= RCR_APM | RCR_AM | RCR_AB; ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data); } static void r8152b_disable_aldps(struct r8152 *tp) { ocp_reg_write(tp, OCP_ALDPS_CONFIG, ENPDNPS | LINKENA | DIS_SDSAVE); msleep(20); } static inline void r8152b_enable_aldps(struct r8152 *tp) { ocp_reg_write(tp, OCP_ALDPS_CONFIG, ENPWRSAVE | ENPDNPS | LINKENA | DIS_SDSAVE); } static int rtl8152_set_speed(struct r8152 *tp, u8 autoneg, u16 speed, u8 duplex) { u16 bmcr, anar; int ret = 0; cancel_delayed_work_sync(&tp->schedule); anar = r8152_mdio_read(tp, MII_ADVERTISE); anar &= ~(ADVERTISE_10HALF | ADVERTISE_10FULL | ADVERTISE_100HALF | ADVERTISE_100FULL); if (autoneg == AUTONEG_DISABLE) { if (speed == SPEED_10) { bmcr = 0; anar |= ADVERTISE_10HALF | ADVERTISE_10FULL; } else if (speed == SPEED_100) { bmcr = BMCR_SPEED100; anar |= ADVERTISE_100HALF | ADVERTISE_100FULL; } else { ret = -EINVAL; goto out; } if (duplex == DUPLEX_FULL) bmcr |= BMCR_FULLDPLX; } else { if (speed == SPEED_10) { if (duplex == DUPLEX_FULL) anar |= ADVERTISE_10HALF | ADVERTISE_10FULL; else anar |= ADVERTISE_10HALF; } else if (speed == SPEED_100) { if (duplex == DUPLEX_FULL) { anar |= ADVERTISE_10HALF | ADVERTISE_10FULL; anar |= ADVERTISE_100HALF | ADVERTISE_100FULL; } else { anar |= ADVERTISE_10HALF; anar |= ADVERTISE_100HALF; } } else { ret = -EINVAL; goto out; } bmcr = BMCR_ANENABLE | BMCR_ANRESTART; } r8152_mdio_write(tp, MII_ADVERTISE, anar); r8152_mdio_write(tp, MII_BMCR, bmcr); out: schedule_delayed_work(&tp->schedule, 5 * HZ); return ret; } static void rtl8152_down(struct r8152 *tp) { u32 ocp_data; ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_UPS_CTRL); ocp_data &= ~POWER_CUT; ocp_write_word(tp, MCU_TYPE_USB, USB_UPS_CTRL, ocp_data); r8152b_disable_aldps(tp); r8152b_enter_oob(tp); r8152b_enable_aldps(tp); } static void set_carrier(struct r8152 *tp) { struct net_device *netdev = tp->netdev; u8 speed; speed = rtl8152_get_speed(tp); if (speed & LINK_STATUS) { if (!(tp->speed & LINK_STATUS)) { rtl8152_enable(tp); set_bit(RTL8152_SET_RX_MODE, &tp->flags); netif_carrier_on(netdev); } } else { if (tp->speed & LINK_STATUS) { netif_carrier_off(netdev); rtl8152_disable(tp); } } tp->speed = speed; } static void rtl_work_func_t(struct work_struct *work) { struct r8152 *tp = container_of(work, struct r8152, schedule.work); if (!test_bit(WORK_ENABLE, &tp->flags)) goto out1; if (test_bit(RTL8152_UNPLUG, &tp->flags)) goto out1; set_carrier(tp); if (test_bit(RTL8152_SET_RX_MODE, &tp->flags)) _rtl8152_set_rx_mode(tp->netdev); schedule_delayed_work(&tp->schedule, HZ); out1: return; } static int rtl8152_open(struct net_device *netdev) { struct r8152 *tp = netdev_priv(netdev); int res = 0; tp->speed = rtl8152_get_speed(tp); if (tp->speed & LINK_STATUS) { res = rtl8152_enable(tp); if (res) { if (res == -ENODEV) netif_device_detach(tp->netdev); netif_err(tp, ifup, netdev, "rtl8152_open failed: %d\n", res); return res; } netif_carrier_on(netdev); } else { netif_stop_queue(netdev); netif_carrier_off(netdev); } rtl8152_set_speed(tp, AUTONEG_ENABLE, SPEED_100, DUPLEX_FULL); netif_start_queue(netdev); set_bit(WORK_ENABLE, &tp->flags); schedule_delayed_work(&tp->schedule, 0); return res; } static int rtl8152_close(struct net_device *netdev) { struct r8152 *tp = netdev_priv(netdev); int res = 0; clear_bit(WORK_ENABLE, &tp->flags); cancel_delayed_work_sync(&tp->schedule); netif_stop_queue(netdev); rtl8152_disable(tp); return res; } static void rtl_clear_bp(struct r8152 *tp) { ocp_write_dword(tp, MCU_TYPE_PLA, PLA_BP_0, 0); ocp_write_dword(tp, MCU_TYPE_PLA, PLA_BP_2, 0); ocp_write_dword(tp, MCU_TYPE_PLA, PLA_BP_4, 0); ocp_write_dword(tp, MCU_TYPE_PLA, PLA_BP_6, 0); ocp_write_dword(tp, MCU_TYPE_USB, USB_BP_0, 0); ocp_write_dword(tp, MCU_TYPE_USB, USB_BP_2, 0); ocp_write_dword(tp, MCU_TYPE_USB, USB_BP_4, 0); ocp_write_dword(tp, MCU_TYPE_USB, USB_BP_6, 0); mdelay(3); ocp_write_word(tp, MCU_TYPE_PLA, PLA_BP_BA, 0); ocp_write_word(tp, MCU_TYPE_USB, USB_BP_BA, 0); } static void r8152b_enable_eee(struct r8152 *tp) { u32 ocp_data; ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEE_CR); ocp_data |= EEE_RX_EN | EEE_TX_EN; ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEE_CR, ocp_data); ocp_reg_write(tp, OCP_EEE_CONFIG1, RG_TXLPI_MSK_HFDUP | RG_MATCLR_EN | EEE_10_CAP | EEE_NWAY_EN | TX_QUIET_EN | RX_QUIET_EN | SDRISETIME | RG_RXLPI_MSK_HFDUP | SDFALLTIME); ocp_reg_write(tp, OCP_EEE_CONFIG2, RG_LPIHYS_NUM | RG_DACQUIET_EN | RG_LDVQUIET_EN | RG_CKRSEL | RG_EEEPRG_EN); ocp_reg_write(tp, OCP_EEE_CONFIG3, FST_SNR_EYE_R | RG_LFS_SEL | MSK_PH); ocp_reg_write(tp, OCP_EEE_AR, FUN_ADDR | DEVICE_ADDR); ocp_reg_write(tp, OCP_EEE_DATA, EEE_ADDR); ocp_reg_write(tp, OCP_EEE_AR, FUN_DATA | DEVICE_ADDR); ocp_reg_write(tp, OCP_EEE_DATA, EEE_DATA); ocp_reg_write(tp, OCP_EEE_AR, 0x0000); } static void r8152b_enable_fc(struct r8152 *tp) { u16 anar; anar = r8152_mdio_read(tp, MII_ADVERTISE); anar |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM; r8152_mdio_write(tp, MII_ADVERTISE, anar); } static void r8152b_hw_phy_cfg(struct r8152 *tp) { r8152_mdio_write(tp, MII_BMCR, BMCR_ANENABLE); r8152b_disable_aldps(tp); } static void r8152b_init(struct r8152 *tp) { u32 ocp_data; int i; rtl_clear_bp(tp); if (tp->version == RTL_VER_01) { ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE); ocp_data &= ~LED_MODE_MASK; ocp_write_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE, ocp_data); } r8152b_hw_phy_cfg(tp); ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_UPS_CTRL); ocp_data &= ~POWER_CUT; ocp_write_word(tp, MCU_TYPE_USB, USB_UPS_CTRL, ocp_data); ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_PM_CTRL_STATUS); ocp_data &= ~RWSUME_INDICATE; ocp_write_word(tp, MCU_TYPE_USB, USB_PM_CTRL_STATUS, ocp_data); r8152b_exit_oob(tp); ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR); ocp_data |= TX_10M_IDLE_EN | PFM_PWM_SWITCH; ocp_write_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR, ocp_data); ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL); ocp_data &= ~MCU_CLK_RATIO_MASK; ocp_data |= MCU_CLK_RATIO | D3_CLK_GATED_EN; ocp_write_dword(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL, ocp_data); ocp_data = GPHY_STS_MSK | SPEED_DOWN_MSK | SPDWN_RXDV_MSK | SPDWN_LINKCHG_MSK; ocp_write_word(tp, MCU_TYPE_PLA, PLA_GPHY_INTR_IMR, ocp_data); r8152b_enable_eee(tp); r8152b_enable_aldps(tp); r8152b_enable_fc(tp); r8152_mdio_write(tp, MII_BMCR, BMCR_RESET | BMCR_ANENABLE | BMCR_ANRESTART); for (i = 0; i < 100; i++) { udelay(100); if (!(r8152_mdio_read(tp, MII_BMCR) & BMCR_RESET)) break; } /* disable rx aggregation */ ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_USB_CTRL); ocp_data |= RX_AGG_DISABLE; ocp_write_word(tp, MCU_TYPE_USB, USB_USB_CTRL, ocp_data); } static int rtl8152_suspend(struct usb_interface *intf, pm_message_t message) { struct r8152 *tp = usb_get_intfdata(intf); netif_device_detach(tp->netdev); if (netif_running(tp->netdev)) { clear_bit(WORK_ENABLE, &tp->flags); cancel_delayed_work_sync(&tp->schedule); } rtl8152_down(tp); return 0; } static int rtl8152_resume(struct usb_interface *intf) { struct r8152 *tp = usb_get_intfdata(intf); r8152b_init(tp); netif_device_attach(tp->netdev); if (netif_running(tp->netdev)) { rtl8152_enable(tp); set_bit(WORK_ENABLE, &tp->flags); set_bit(RTL8152_SET_RX_MODE, &tp->flags); schedule_delayed_work(&tp->schedule, 0); } return 0; } static void rtl8152_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *info) { struct r8152 *tp = netdev_priv(netdev); strncpy(info->driver, MODULENAME, ETHTOOL_BUSINFO_LEN); strncpy(info->version, DRIVER_VERSION, ETHTOOL_BUSINFO_LEN); usb_make_path(tp->udev, info->bus_info, sizeof(info->bus_info)); } static int rtl8152_get_settings(struct net_device *netdev, struct ethtool_cmd *cmd) { struct r8152 *tp = netdev_priv(netdev); if (!tp->mii.mdio_read) return -EOPNOTSUPP; return mii_ethtool_gset(&tp->mii, cmd); } static int rtl8152_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) { struct r8152 *tp = netdev_priv(dev); return rtl8152_set_speed(tp, cmd->autoneg, cmd->speed, cmd->duplex); } static struct ethtool_ops ops = { .get_drvinfo = rtl8152_get_drvinfo, .get_settings = rtl8152_get_settings, .set_settings = rtl8152_set_settings, .get_link = ethtool_op_get_link, }; static int rtl8152_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd) { struct r8152 *tp = netdev_priv(netdev); struct mii_ioctl_data *data = if_mii(rq); int res = 0; switch (cmd) { case SIOCGMIIPHY: data->phy_id = R8152_PHY_ID; /* Internal PHY */ break; case SIOCGMIIREG: data->val_out = r8152_mdio_read(tp, data->reg_num); break; case SIOCSMIIREG: if (!capable(CAP_NET_ADMIN)) { res = -EPERM; break; } r8152_mdio_write(tp, data->reg_num, data->val_in); break; default: res = -EOPNOTSUPP; } return res; } static const struct net_device_ops rtl8152_netdev_ops = { .ndo_open = rtl8152_open, .ndo_stop = rtl8152_close, .ndo_do_ioctl = rtl8152_ioctl, .ndo_start_xmit = rtl8152_start_xmit, .ndo_tx_timeout = rtl8152_tx_timeout, .ndo_set_rx_mode = rtl8152_set_rx_mode, .ndo_set_mac_address = rtl8152_set_mac_address, .ndo_change_mtu = eth_change_mtu, .ndo_validate_addr = eth_validate_addr, }; static void r8152b_get_version(struct r8152 *tp) { u32 ocp_data; u16 version; ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR1); version = (u16)(ocp_data & VERSION_MASK); switch (version) { case 0x4c00: tp->version = RTL_VER_01; break; case 0x4c10: tp->version = RTL_VER_02; break; default: netif_info(tp, probe, tp->netdev, "Unknown version 0xx\n", version); break; } } static int rtl8152_probe(struct usb_interface *intf, const struct usb_device_id *id) { struct usb_device *udev = interface_to_usbdev(intf); struct r8152 *tp; struct net_device *netdev; if (udev->actconfig->desc.bConfigurationValue != 1) { usb_driver_set_configuration(udev, 1); return -ENODEV; } netdev = alloc_etherdev(sizeof(struct r8152)); if (!netdev) { dev_err(&intf->dev, "Out of memory"); return -ENOMEM; } tp = netdev_priv(netdev); tp->msg_enable = 0x7FFF; tasklet_init(&tp->tl, rx_fixup, (unsigned long)tp); INIT_DELAYED_WORK(&tp->schedule, rtl_work_func_t); tp->udev = udev; tp->netdev = netdev; netdev->netdev_ops = &rtl8152_netdev_ops; netdev->watchdog_timeo = RTL8152_TX_TIMEOUT; netdev->features &= ~NETIF_F_IP_CSUM; SET_ETHTOOL_OPS(netdev, &ops); tp->speed = 0; tp->mii.dev = netdev; tp->mii.mdio_read = read_mii_word; tp->mii.mdio_write = write_mii_word; tp->mii.phy_id_mask = 0x3f; tp->mii.reg_num_mask = 0x1f; tp->mii.phy_id = R8152_PHY_ID; tp->mii.supports_gmii = 0; r8152b_get_version(tp); r8152b_init(tp); set_ethernet_addr(tp); if (!alloc_all_urbs(tp)) { netif_err(tp, probe, netdev, "out of memory"); goto out; } tp->rx_skb = netdev_alloc_skb(netdev, RTL8152_RMS + sizeof(struct rx_desc)); if (!tp->rx_skb) goto out1; usb_set_intfdata(intf, tp); SET_NETDEV_DEV(netdev, &intf->dev); if (register_netdev(netdev) != 0) { netif_err(tp, probe, netdev, "couldn't register the device"); goto out2; } netif_info(tp, probe, netdev, "%s", DRIVER_VERSION); return 0; out2: usb_set_intfdata(intf, NULL); dev_kfree_skb(tp->rx_skb); out1: free_all_urbs(tp); out: free_netdev(netdev); return -EIO; } static void rtl8152_unload(struct r8152 *tp) { u32 ocp_data; if (tp->version != RTL_VER_01) { ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_UPS_CTRL); ocp_data |= POWER_CUT; ocp_write_word(tp, MCU_TYPE_USB, USB_UPS_CTRL, ocp_data); } ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_PM_CTRL_STATUS); ocp_data &= ~RWSUME_INDICATE; ocp_write_word(tp, MCU_TYPE_USB, USB_PM_CTRL_STATUS, ocp_data); } static void rtl8152_disconnect(struct usb_interface *intf) { struct r8152 *tp = usb_get_intfdata(intf); usb_set_intfdata(intf, NULL); if (tp) { set_bit(RTL8152_UNPLUG, &tp->flags); tasklet_kill(&tp->tl); unregister_netdev(tp->netdev); rtl8152_unload(tp); free_all_urbs(tp); if (tp->rx_skb) dev_kfree_skb(tp->rx_skb); free_netdev(tp->netdev); } } /* table of devices that work with this driver */ static struct usb_device_id rtl8152_table[] = { {USB_DEVICE(VENDOR_ID_REALTEK, PRODUCT_ID_RTL8152)}, {} }; MODULE_DEVICE_TABLE(usb, rtl8152_table); static struct usb_driver rtl8152_driver = { .name = MODULENAME, .probe = rtl8152_probe, .disconnect = rtl8152_disconnect, .id_table = rtl8152_table, .suspend = rtl8152_suspend, .resume = rtl8152_resume }; static int __init usb_rtl8152_init(void) { return usb_register(&rtl8152_driver); } static void __exit usb_rtl8152_exit(void) { usb_deregister(&rtl8152_driver); } module_init(usb_rtl8152_init); module_exit(usb_rtl8152_exit); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_LICENSE("GPL"); 内核配置

驱动加载顺序

Processed: 0.016, SQL: 9