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// SPDX-License-Identifier: GPL-2.0-only /* ################################################################################ # # r8125 is the Linux device driver released for Realtek 2.5Gigabit Ethernet # controllers with PCI-Express interface. # # Copyright(c) 2021 Realtek Semiconductor Corp. All rights reserved. # # This program is free software; you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by the Free # Software Foundation; either version 2 of the License, or (at your option) # any later version. # # This program is distributed in the hope that it will be useful, but WITHOUT # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for # more details. # # You should have received a copy of the GNU General Public License along with # this program; if not, see <http://www.gnu.org/licenses/>. # # Author: # Realtek NIC software team <nicfae@realtek.com> # No. 2, Innovation Road II, Hsinchu Science Park, Hsinchu 300, Taiwan # ################################################################################ */ /************************************************************************************ * This product is covered by one or more of the following patents: * US6,570,884, US6,115,776, and US6,327,625. ***********************************************************************************/ /* * This driver is modified from r8169.c in Linux kernel 2.6.18 */ #include <linux/module.h> #include <linux/version.h> #include <linux/pci.h> #include <linux/netdevice.h> #include <linux/etherdevice.h> #include <linux/delay.h> #include <linux/mii.h> #include <linux/if_vlan.h> #include <linux/crc32.h> #include <linux/interrupt.h> #include <linux/in.h> #include <linux/ip.h> #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22) #include <linux/ipv6.h> #include <net/ip6_checksum.h> #endif #include <linux/tcp.h> #include <linux/init.h> #include <linux/rtnetlink.h> #include <linux/completion.h> #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26) #if LINUX_VERSION_CODE < KERNEL_VERSION(5,4,0) #include <linux/pci-aspm.h> #endif #endif #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,37) #include <linux/prefetch.h> #endif #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) #define dev_printk(A,B,fmt,args...) printk(A fmt,##args) #else #include <linux/dma-mapping.h> #include <linux/moduleparam.h> #endif #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,31) #include <linux/mdio.h> #endif #include <asm/io.h> #include <asm/irq.h> #include "r8125.h" #include "rtl_eeprom.h" #include "rtltool.h" #include "r8125_firmware.h" #ifdef ENABLE_R8125_PROCFS #include <linux/proc_fs.h> #include <linux/seq_file.h> #endif #define FIRMWARE_8125A_3 "rtl_nic/rtl8125a-3.fw" #define FIRMWARE_8125B_2 "rtl_nic/rtl8125b-2.fw" /* 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 const struct { const char *name; const char *fw_name; } rtl_chip_fw_infos[] = { /* PCI-E devices. */ [CFG_METHOD_2] = {"RTL8125A" }, [CFG_METHOD_3] = {"RTL8125A", FIRMWARE_8125A_3}, [CFG_METHOD_4] = {"RTL8125B", }, [CFG_METHOD_5] = {"RTL8125B", FIRMWARE_8125B_2}, [CFG_METHOD_6] = {"RTL8168KB", FIRMWARE_8125A_3}, [CFG_METHOD_7] = {"RTL8168KB", FIRMWARE_8125B_2}, [CFG_METHOD_DEFAULT] = {"Unknown", }, }; #define _R(NAME,MAC,RCR,MASK,JumFrameSz) \ { .name = NAME, .mcfg = MAC, .RCR_Cfg = RCR, .RxConfigMask = MASK, .jumbo_frame_sz = JumFrameSz } static const struct { const char *name; u8 mcfg; u32 RCR_Cfg; u32 RxConfigMask; /* Clears the bits supported by this chip */ u32 jumbo_frame_sz; } rtl_chip_info[] = { _R("RTL8125A", CFG_METHOD_2, BIT_30 | EnableInnerVlan | EnableOuterVlan | (RX_DMA_BURST << RxCfgDMAShift), 0xff7e5880, Jumbo_Frame_9k), _R("RTL8125A", CFG_METHOD_3, BIT_30 | EnableInnerVlan | EnableOuterVlan | (RX_DMA_BURST << RxCfgDMAShift), 0xff7e5880, Jumbo_Frame_9k), _R("RTL8125B", CFG_METHOD_4, BIT_30 | RxCfg_pause_slot_en | EnableInnerVlan | EnableOuterVlan | (RX_DMA_BURST << RxCfgDMAShift), 0xff7e5880, Jumbo_Frame_9k), _R("RTL8125B", CFG_METHOD_5, BIT_30 | RxCfg_pause_slot_en | EnableInnerVlan | EnableOuterVlan | (RX_DMA_BURST << RxCfgDMAShift), 0xff7e5880, Jumbo_Frame_9k), _R("RTL8168KB", CFG_METHOD_6, BIT_30 | EnableInnerVlan | EnableOuterVlan | (RX_DMA_BURST << RxCfgDMAShift), 0xff7e5880, Jumbo_Frame_9k), _R("RTL8168KB", CFG_METHOD_7, BIT_30 | RxCfg_pause_slot_en | EnableInnerVlan | EnableOuterVlan | (RX_DMA_BURST << RxCfgDMAShift), 0xff7e5880, Jumbo_Frame_9k), _R("Unknown", CFG_METHOD_DEFAULT, (RX_DMA_BURST << RxCfgDMAShift), 0xff7e5880, Jumbo_Frame_1k) }; #undef _R #ifndef PCI_VENDOR_ID_DLINK #define PCI_VENDOR_ID_DLINK 0x1186 #endif static struct pci_device_id rtl8125_pci_tbl[] = { { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8125), }, { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8162), }, { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x3000), }, {0,}, }; MODULE_DEVICE_TABLE(pci, rtl8125_pci_tbl); static int rx_copybreak = 0; static int use_dac = 1; static int timer_count = 0x2600; static int timer_count_v2 = (0x2600 / 0x100); static struct { u32 msg_enable; } debug = { -1 }; static unsigned int speed_mode = SPEED_2500; static unsigned int duplex_mode = DUPLEX_FULL; static unsigned int autoneg_mode = AUTONEG_ENABLE; static unsigned int advertising_mode = ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full | ADVERTISED_2500baseX_Full; #ifdef CONFIG_ASPM static int aspm = 1; #else static int aspm = 0; #endif #ifdef ENABLE_S5WOL static int s5wol = 1; #else static int s5wol = 0; #endif #ifdef ENABLE_S5_KEEP_CURR_MAC static int s5_keep_curr_mac = 1; #else static int s5_keep_curr_mac = 0; #endif #ifdef ENABLE_EEE static int eee_enable = 1; #else static int eee_enable = 0; #endif #ifdef CONFIG_SOC_LAN static ulong hwoptimize = HW_PATCH_SOC_LAN; #else static ulong hwoptimize = 0; #endif #ifdef ENABLE_S0_MAGIC_PACKET static int s0_magic_packet = 1; #else static int s0_magic_packet = 0; #endif #ifdef ENABLE_TX_NO_CLOSE static int tx_no_close_enable = 1; #else static int tx_no_close_enable = 0; #endif #ifdef ENABLE_PTP_MASTER_MODE static int enable_ptp_master_mode = 1; #else static int enable_ptp_master_mode = 0; #endif #ifdef DISABLE_PM_SUPPORT static int disable_pm_support = 1; #else static int disable_pm_support = 0; #endif MODULE_AUTHOR("Realtek and the Linux r8125 crew <netdev@vger.kernel.org>"); MODULE_DESCRIPTION("Realtek RTL8125 2.5Gigabit Ethernet driver"); module_param(speed_mode, uint, 0); MODULE_PARM_DESC(speed_mode, "force phy operation. Deprecated by ethtool (8)."); module_param(duplex_mode, uint, 0); MODULE_PARM_DESC(duplex_mode, "force phy operation. Deprecated by ethtool (8)."); module_param(autoneg_mode, uint, 0); MODULE_PARM_DESC(autoneg_mode, "force phy operation. Deprecated by ethtool (8)."); module_param(advertising_mode, uint, 0); MODULE_PARM_DESC(advertising_mode, "force phy operation. Deprecated by ethtool (8)."); module_param(aspm, int, 0); MODULE_PARM_DESC(aspm, "Enable ASPM."); module_param