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r8125.h
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r8125.h
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/* SPDX-License-Identifier: GPL-2.0-only */
/*
################################################################################
#
# r8125 is the Linux device driver released for Realtek 2.5 Gigabit Ethernet
# controllers with PCI-Express interface.
#
# Copyright(c) 2024 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.
***********************************************************************************/
#ifndef __R8125_H
#define __R8125_H
//#include <linux/pci.h>
#include <linux/ethtool.h>
#include <linux/interrupt.h>
#include <linux/version.h>
#include "r8125_dash.h"
#include "r8125_realwow.h"
#ifdef ENABLE_FIBER_SUPPORT
#include "r8125_fiber.h"
#endif /* ENABLE_FIBER_SUPPORT */
#ifdef ENABLE_PTP_SUPPORT
#include "r8125_ptp.h"
#endif
#include "r8125_rss.h"
#ifdef ENABLE_LIB_SUPPORT
#include "r8125_lib.h"
#endif
#ifndef fallthrough
#define fallthrough
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0)
#define netif_xmit_stopped netif_tx_queue_stopped
#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0) */
#if LINUX_VERSION_CODE < KERNEL_VERSION(3,7,0)
#ifndef MDIO_AN_EEE_ADV_100TX
#define MDIO_AN_EEE_ADV_100TX 0x0002 /* Advertise 100TX EEE cap */
#endif
#ifndef MDIO_AN_EEE_ADV_1000T
#define MDIO_AN_EEE_ADV_1000T 0x0004 /* Advertise 1000T EEE cap */
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(3,6,0)
#define MDIO_EEE_100TX MDIO_AN_EEE_ADV_100TX /* 100TX EEE cap */
#define MDIO_EEE_1000T MDIO_AN_EEE_ADV_1000T /* 1000T EEE cap */
#define MDIO_EEE_10GT 0x0008 /* 10GT EEE cap */
#define MDIO_EEE_1000KX 0x0010 /* 1000KX EEE cap */
#define MDIO_EEE_10GKX4 0x0020 /* 10G KX4 EEE cap */
#define MDIO_EEE_10GKR 0x0040 /* 10G KR EEE cap */
#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(3,6,0) */
static inline u32 mmd_eee_adv_to_ethtool_adv_t(u16 eee_adv)
{
u32 adv = 0;
if (eee_adv & MDIO_EEE_100TX)
adv |= ADVERTISED_100baseT_Full;
if (eee_adv & MDIO_EEE_1000T)
adv |= ADVERTISED_1000baseT_Full;
if (eee_adv & MDIO_EEE_10GT)
adv |= ADVERTISED_10000baseT_Full;
if (eee_adv & MDIO_EEE_1000KX)
adv |= ADVERTISED_1000baseKX_Full;
if (eee_adv & MDIO_EEE_10GKX4)
adv |= ADVERTISED_10000baseKX4_Full;
if (eee_adv & MDIO_EEE_10GKR)
adv |= ADVERTISED_10000baseKR_Full;
return adv;
}
static inline u16 ethtool_adv_to_mmd_eee_adv_t(u32 adv)
{
u16 reg = 0;
if (adv & ADVERTISED_100baseT_Full)
reg |= MDIO_EEE_100TX;
if (adv & ADVERTISED_1000baseT_Full)
reg |= MDIO_EEE_1000T;
if (adv & ADVERTISED_10000baseT_Full)
reg |= MDIO_EEE_10GT;
if (adv & ADVERTISED_1000baseKX_Full)
reg |= MDIO_EEE_1000KX;
if (adv & ADVERTISED_10000baseKX4_Full)
reg |= MDIO_EEE_10GKX4;
if (adv & ADVERTISED_10000baseKR_Full)
reg |= MDIO_EEE_10GKR;
return reg;
}
#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(3,7,0) */
#if LINUX_VERSION_CODE < KERNEL_VERSION(3,9,0)
static inline bool skb_transport_header_was_set(const struct sk_buff *skb)
{
return skb->transport_header != ~0U;
}
#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(3,9,0) */
#if LINUX_VERSION_CODE < KERNEL_VERSION(4,3,0)
static inline
ssize_t strscpy(char *dest, const char *src, size_t count)
{
long res = 0;
if (count == 0)
return -E2BIG;
while (count) {
char c;
c = src[res];
dest[res] = c;
if (!c)
return res;
res++;
count--;
}
/* Hit buffer length without finding a NUL; force NUL-termination. */
if (res)
dest[res-1] = '\0';
return -E2BIG;
}
#endif
#if (LINUX_VERSION_CODE < KERNEL_VERSION(4,6,0))
static inline unsigned char *skb_checksum_start(const struct sk_buff *skb)
{
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22))
return skb->head + skb->csum_start;
#else /* < 2.6.22 */
return skb_transport_header(skb);
#endif
}
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0)
static inline void netdev_tx_sent_queue(struct netdev_queue *dev_queue,
unsigned int bytes)
{}
static inline void netdev_tx_completed_queue(struct netdev_queue *dev_queue,
unsigned int pkts,
unsigned int bytes)
{}
static inline void netdev_tx_reset_queue(struct netdev_queue *q) {}
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(5,2,0)
#define netdev_xmit_more() (0)
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(5,8,0)
#define netif_testing_on(dev)
#define netif_testing_off(dev)
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(6,2,0)
#define netdev_sw_irq_coalesce_default_on(dev)
#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(6,2,0) */
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,32)
typedef int netdev_tx_t;
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(5,12,0)
#if LINUX_VERSION_CODE < KERNEL_VERSION(4,1,9)
static inline bool page_is_pfmemalloc(struct page *page)
{
/*
* Page index cannot be this large so this must be
* a pfmemalloc page.
*/
return page->index == -1UL;
}
#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(4,1,9) */
static inline bool dev_page_is_reusable(struct page *page)
{
return likely(page_to_nid(page) == numa_mem_id() &&
!page_is_pfmemalloc(page));
}
#endif
/*
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0)&& !defined(ENABLE_LIB_SUPPORT)
#define RTL_USE_NEW_INTR_API
#endif
*/
#if LINUX_VERSION_CODE < KERNEL_VERSION(4,10,0)
#define dma_map_page_attrs(dev, page, offset, size, dir, attrs) \
dma_map_page(dev, page, offset, size, dir)
#define dma_unmap_page_attrs(dev, page, size, dir, attrs) \
dma_unmap_page(dev, page, size, dir)
#endif //LINUX_VERSION_CODE < KERNEL_VERSION(4,10,0)
#if LINUX_VERSION_CODE < KERNEL_VERSION(4,6,0)
#define page_ref_inc(page) atomic_inc(&page->_count)
#endif //LINUX_VERSION_CODE < KERNEL_VERSION(4,6,0)
#if LINUX_VERSION_CODE < KERNEL_VERSION(4,4,216)
#define page_ref_count(page) atomic_read(&page->_count)
#endif //LINUX_VERSION_CODE < KERNEL_VERSION(4,4,216)
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,22)
#define skb_transport_offset(skb) (skb->h.raw - skb->data)
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,26)
#define device_set_wakeup_enable(dev, val) do {} while (0)
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(3,14,0)
static inline void ether_addr_copy(u8 *dst, const u8 *src)
{
u16 *a = (u16 *)dst;
const u16 *b = (const u16 *)src;
a[0] = b[0];
a[1] = b[1];
a[2] = b[2];
}
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(3,15,0)
#define IS_ERR_OR_NULL(ptr) (!ptr)
#if LINUX_VERSION_CODE < KERNEL_VERSION(3,13,0)
#define reinit_completion(x) ((x)->done = 0)
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,39)
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32)
#define pm_runtime_mark_last_busy(x)
#define pm_runtime_put_autosuspend(x) pm_runtime_put(x)
#define pm_runtime_put_sync_autosuspend(x) pm_runtime_put_sync(x)
static inline bool pm_runtime_suspended(struct device *dev)
{
return dev->power.runtime_status == RPM_SUSPENDED
&& !dev->power.disable_depth;
}
static inline bool pm_runtime_active(struct device *dev)
{
return dev->power.runtime_status == RPM_ACTIVE
|| dev->power.disable_depth;
}
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,36)
#define queue_delayed_work(long_wq, work, delay) schedule_delayed_work(work, delay)
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,34)
#define netif_printk(priv, type, level, netdev, fmt, args...) \
do { \
if (netif_msg_##type(priv)) \
printk(level "%s: " fmt,(netdev)->name , ##args); \
} while (0)
#define netif_emerg(priv, type, netdev, fmt, args...) \
netif_printk(priv, type, KERN_EMERG, netdev, fmt, ##args)
#define netif_alert(priv, type, netdev, fmt, args...) \
netif_printk(priv, type, KERN_ALERT, netdev, fmt, ##args)
#define netif_crit(priv, type, netdev, fmt, args...) \
netif_printk(priv, type, KERN_CRIT, netdev, fmt, ##args)
#define netif_err(priv, type, netdev, fmt, args...) \
netif_printk(priv, type, KERN_ERR, netdev, fmt, ##args)
#define netif_warn(priv, type, netdev, fmt, args...) \
netif_printk(priv, type, KERN_WARNING, netdev, fmt, ##args)
#define netif_notice(priv, type, netdev, fmt, args...) \
netif_printk(priv, type, KERN_NOTICE, netdev, fmt, ##args)
#define netif_info(priv, type, netdev, fmt, args...) \
netif_printk(priv, type, KERN_INFO, (netdev), fmt, ##args)
#endif
#endif
#endif
#endif
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15)
#define setup_timer(_timer, _function, _data) \
do { \
(_timer)->function = _function; \
(_timer)->data = _data; \
init_timer(_timer); \
} while (0)
#endif //LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15)
#if LINUX_VERSION_CODE < KERNEL_VERSION(4,0,0)
#if defined(skb_vlan_tag_present) && !defined(vlan_tx_tag_present)
#define vlan_tx_tag_present skb_vlan_tag_present
#endif
#if defined(skb_vlan_tag_get) && !defined(vlan_tx_tag_get)
#define vlan_tx_tag_get skb_vlan_tag_get
#endif
#endif //LINUX_VERSION_CODE < KERNEL_VERSION(4,0,0)
#define RTL_ALLOC_SKB_INTR(napi, length) dev_alloc_skb(length)
#define R8125_USE_NAPI_ALLOC_SKB 0
#ifdef CONFIG_R8125_NAPI
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,0)
#undef RTL_ALLOC_SKB_INTR
#define RTL_ALLOC_SKB_INTR(napi, length) napi_alloc_skb(napi, length)
#undef R8125_USE_NAPI_ALLOC_SKB
#define R8125_USE_NAPI_ALLOC_SKB 1
#endif
#endif
#define RTL_BUILD_SKB_INTR(data, frag_size) build_skb(data, frag_size)
#ifdef CONFIG_R8125_NAPI
#if LINUX_VERSION_CODE >= KERNEL_VERSION(5,12,0)
#undef RTL_BUILD_SKB_INTR
#define RTL_BUILD_SKB_INTR(data, frag_size) napi_build_skb(data, frag_size)
#endif
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(3,6,0)
#define eth_random_addr(addr) random_ether_addr(addr)
#endif //LINUX_VERSION_CODE < KERNEL_VERSION(3,6,0)
#if LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0)
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,0,0)
#define netdev_features_t u32
#endif
#endif
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,5,0)
#define NETIF_F_ALL_CSUM NETIF_F_CSUM_MASK
#else
#ifndef NETIF_F_ALL_CSUM
#define NETIF_F_ALL_CSUM NETIF_F_CSUM_MASK
#endif
#endif
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,37)
#define ENABLE_R8125_PROCFS
#endif
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0)
#define ENABLE_R8125_SYSFS
#endif
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,10,0)
#define NETIF_F_HW_VLAN_RX NETIF_F_HW_VLAN_CTAG_RX
#define NETIF_F_HW_VLAN_TX NETIF_F_HW_VLAN_CTAG_TX
#endif
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0)
#define __devinit
#define __devexit
#define __devexit_p(func) func
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
#define CHECKSUM_PARTIAL CHECKSUM_HW
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
#define irqreturn_t void
#define IRQ_HANDLED 1
#define IRQ_NONE 0
#define IRQ_RETVAL(x)
#endif
#ifndef NETIF_F_RXALL
#define NETIF_F_RXALL 0
#endif
#ifndef NETIF_F_RXFCS
#define NETIF_F_RXFCS 0
#endif
#if !defined(HAVE_FREE_NETDEV) && (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0))
#define free_netdev(x) kfree(x)
#endif
#ifndef SET_NETDEV_DEV
#define SET_NETDEV_DEV(net, pdev)
#endif
#ifndef SET_MODULE_OWNER
#define SET_MODULE_OWNER(dev)
#endif
#ifndef SA_SHIRQ
#define SA_SHIRQ IRQF_SHARED
#endif
#ifndef NETIF_F_GSO
#define gso_size tso_size
#define gso_segs tso_segs
#endif
#ifndef PCI_VENDOR_ID_DLINK
#define PCI_VENDOR_ID_DLINK 0x1186
#endif
#ifndef dma_mapping_error
#define dma_mapping_error(a,b) 0
#endif
#ifndef netif_err
#define netif_err(a,b,c,d)
#endif
#ifndef AUTONEG_DISABLE
#define AUTONEG_DISABLE 0x00
#endif
#ifndef AUTONEG_ENABLE
#define AUTONEG_ENABLE 0x01
#endif
#ifndef BMCR_SPEED1000
#define BMCR_SPEED1000 0x0040
#endif
#ifndef BMCR_SPEED100
#define BMCR_SPEED100 0x2000
#endif
#ifndef BMCR_SPEED10
#define BMCR_SPEED10 0x0000
#endif
#ifndef SPEED_UNKNOWN
#define SPEED_UNKNOWN -1
#endif
#ifndef DUPLEX_UNKNOWN
#define DUPLEX_UNKNOWN 0xff
#endif
#ifndef SUPPORTED_Pause
#define SUPPORTED_Pause (1 << 13)
#endif
#ifndef SUPPORTED_Asym_Pause
#define SUPPORTED_Asym_Pause (1 << 14)
#endif
#ifndef MDIO_EEE_100TX
#define MDIO_EEE_100TX 0x0002
#endif
#ifndef MDIO_EEE_1000T
#define MDIO_EEE_1000T 0x0004
#endif
#ifndef MDIO_EEE_2_5GT
#define MDIO_EEE_2_5GT 0x0001
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(6,9,0)
#define ethtool_keee ethtool_eee
#define rtl8125_ethtool_adv_to_mmd_eee_adv_cap1_t ethtool_adv_to_mmd_eee_adv_t
static inline u32 rtl8125_ethtool_adv_to_mmd_eee_adv_cap2_t(u32 adv)
{
u32 result = 0;
if (adv & SUPPORTED_2500baseX_Full)
result |= MDIO_EEE_2_5GT;
return result;
}
#else
#define rtl8125_ethtool_adv_to_mmd_eee_adv_cap1_t linkmode_to_mii_eee_cap1_t
#define rtl8125_ethtool_adv_to_mmd_eee_adv_cap2_t linkmode_to_mii_eee_cap2_t
#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(6,9,0) */
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,29)
#ifdef CONFIG_NET_POLL_CONTROLLER
#define RTL_NET_POLL_CONTROLLER dev->poll_controller=rtl8125_netpoll
#else
#define RTL_NET_POLL_CONTROLLER
#endif
#ifdef CONFIG_R8125_VLAN
#define RTL_SET_VLAN dev->vlan_rx_register=rtl8125_vlan_rx_register
#else
#define RTL_SET_VLAN
#endif
#define RTL_NET_DEVICE_OPS(ops) dev->open=rtl8125_open; \
dev->hard_start_xmit=rtl8125_start_xmit; \
dev->get_stats=rtl8125_get_stats; \
dev->stop=rtl8125_close; \
dev->tx_timeout=rtl8125_tx_timeout; \
dev->set_multicast_list=rtl8125_set_rx_mode; \
dev->change_mtu=rtl8125_change_mtu; \
dev->set_mac_address=rtl8125_set_mac_address; \
dev->do_ioctl=rtl8125_do_ioctl; \
RTL_NET_POLL_CONTROLLER; \
RTL_SET_VLAN;
#else
#define RTL_NET_DEVICE_OPS(ops) dev->netdev_ops=&ops
#endif
#ifndef FALSE
#define FALSE 0
#endif
#ifndef TRUE
#define TRUE 1
#endif
#ifndef false
#define false 0
#endif
#ifndef true
#define true 1
#endif
//Hardware will continue interrupt 10 times after interrupt finished.
#define RTK_KEEP_INTERRUPT_COUNT (10)
//the low 32 bit address of receive buffer must be 8-byte alignment.
#ifndef NET_IP_ALIGN
#define NET_IP_ALIGN 2
#endif
#define R8125_RX_ALIGN NET_IP_ALIGN
#ifdef CONFIG_R8125_NAPI
#define NAPI_SUFFIX "-NAPI"
#else
#define NAPI_SUFFIX ""
#endif
#if defined(ENABLE_DASH_PRINTER_SUPPORT)
#define DASH_SUFFIX "-PRINTER"
#elif defined(ENABLE_DASH_SUPPORT)
#define DASH_SUFFIX "-DASH"
#else
#define DASH_SUFFIX ""
#endif
#if defined(ENABLE_REALWOW_SUPPORT)
#define REALWOW_SUFFIX "-REALWOW"
#else
#define REALWOW_SUFFIX ""
#endif
#if defined(ENABLE_PTP_SUPPORT)
#define PTP_SUFFIX "-PTP"
#else
#define PTP_SUFFIX ""
#endif
#if defined(ENABLE_RSS_SUPPORT)
#define RSS_SUFFIX "-RSS"
#else
#define RSS_SUFFIX ""
#endif
#define RTL8125_VERSION "9.014.01" NAPI_SUFFIX DASH_SUFFIX REALWOW_SUFFIX PTP_SUFFIX RSS_SUFFIX
#define MODULENAME "r8125"
#define PFX MODULENAME ": "
#define GPL_CLAIM "\
r8125 Copyright (C) 2024 Realtek NIC software team <nicfae@realtek.com> \n \
This program comes with ABSOLUTELY NO WARRANTY; for details, please see <http://www.gnu.org/licenses/>. \n \
This is free software, and you are welcome to redistribute it under certain conditions; see <http://www.gnu.org/licenses/>. \n"
#ifdef RTL8125_DEBUG
#define assert(expr) \
if(!(expr)) { \
printk("Assertion failed! %s,%s,%s,line=%d\n", \
#expr,__FILE__,__FUNCTION__,__LINE__); \
}
#define dprintk(fmt, args...) do { printk(PFX fmt, ## args); } while (0)
#else
#define assert(expr) do {} while (0)
#define dprintk(fmt, args...) do {} while (0)
#endif /* RTL8125_DEBUG */
#define R8125_MSG_DEFAULT \
(NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN)
#ifdef CONFIG_R8125_NAPI
#define rtl8125_rx_hwaccel_skb vlan_hwaccel_receive_skb
#define rtl8125_rx_quota(count, quota) min(count, quota)
#else
#define rtl8125_rx_hwaccel_skb vlan_hwaccel_rx
#define rtl8125_rx_quota(count, quota) count
#endif
/* MAC address length */
#ifndef MAC_ADDR_LEN
#define MAC_ADDR_LEN 6
#endif
#ifndef MAC_PROTOCOL_LEN
#define MAC_PROTOCOL_LEN 2
#endif
#ifndef ETH_FCS_LEN
#define ETH_FCS_LEN 4
#endif
#ifndef NETIF_F_TSO6
#define NETIF_F_TSO6 0
#endif
#define Reserved2_data 7
#define RX_DMA_BURST_unlimited 7 /* Maximum PCI burst, '7' is unlimited */
#define RX_DMA_BURST_512 5
#define RX_DMA_BURST_256 4
#define TX_DMA_BURST_unlimited 7
#define TX_DMA_BURST_1024 6
#define TX_DMA_BURST_512 5
#define TX_DMA_BURST_256 4
#define TX_DMA_BURST_128 3
#define TX_DMA_BURST_64 2
#define TX_DMA_BURST_32 1
#define TX_DMA_BURST_16 0
#define Reserved1_data 0x3F
#define RxPacketMaxSize 0x3FE8 /* 16K - 1 - ETH_HLEN - VLAN - CRC... */
#define Jumbo_Frame_1k ETH_DATA_LEN
#define Jumbo_Frame_2k (2*1024 - ETH_HLEN - VLAN_HLEN - ETH_FCS_LEN)
#define Jumbo_Frame_3k (3*1024 - ETH_HLEN - VLAN_HLEN - ETH_FCS_LEN)
#define Jumbo_Frame_4k (4*1024 - ETH_HLEN - VLAN_HLEN - ETH_FCS_LEN)
#define Jumbo_Frame_5k (5*1024 - ETH_HLEN - VLAN_HLEN - ETH_FCS_LEN)
#define Jumbo_Frame_6k (6*1024 - ETH_HLEN - VLAN_HLEN - ETH_FCS_LEN)
#define Jumbo_Frame_7k (7*1024 - ETH_HLEN - VLAN_HLEN - ETH_FCS_LEN)
#define Jumbo_Frame_8k (8*1024 - ETH_HLEN - VLAN_HLEN - ETH_FCS_LEN)
#define Jumbo_Frame_9k (9*1024 - ETH_HLEN - VLAN_HLEN - ETH_FCS_LEN)
#define InterFrameGap 0x03 /* 3 means InterFrameGap = the shortest one */
#define RxEarly_off_V1 (0x07 << 11)
#define RxEarly_off_V2 (1 << 11)
#define Rx_Single_fetch_V2 (1 << 14)
#define Rx_Close_Multiple (1 << 21)
#define Rx_Fetch_Number_8 (1 << 30)
#define R8125_REGS_SIZE (256)
#define R8125_MAC_REGS_SIZE (256)
#define R8125_PHY_REGS_SIZE (16*2)
#define R8125_EPHY_REGS_SIZE (31*2)
#define R8125_ERI_REGS_SIZE (0x100)
#define R8125_REGS_DUMP_SIZE (0x400)
#define R8125_PCI_REGS_SIZE (0x100)
#define R8125_NAPI_WEIGHT 64
#define R8125_MAX_MSIX_VEC_8125A 4
#define R8125_MAX_MSIX_VEC_8125B 32
#define R8125_MAX_MSIX_VEC_8125D 32
#define R8125_MIN_MSIX_VEC_8125B 22
#define R8125_MIN_MSIX_VEC_8125BP 31
#define R8125_MIN_MSIX_VEC_8125D 20
#define R8125_MAX_MSIX_VEC 32
#define R8125_MAX_RX_QUEUES_VEC_V3 (16)
#define RTL8125_TX_TIMEOUT (6 * HZ)
#define RTL8125_LINK_TIMEOUT (1 * HZ)
#define RTL8125_ESD_TIMEOUT (2 * HZ)
#define rtl8125_rx_page_size(order) (PAGE_SIZE << order)
#define MAX_NUM_TX_DESC 1024 /* Maximum number of Tx descriptor registers */
#define MAX_NUM_RX_DESC 1024 /* Maximum number of Rx descriptor registers */
#define MIN_NUM_TX_DESC 256 /* Minimum number of Tx descriptor registers */
#define MIN_NUM_RX_DESC 256 /* Minimum number of Rx descriptor registers */
#define NUM_TX_DESC MAX_NUM_TX_DESC /* Number of Tx descriptor registers */
#define NUM_RX_DESC MAX_NUM_RX_DESC /* Number of Rx descriptor registers */
#ifdef ENABLE_DOUBLE_VLAN
#define RX_BUF_SIZE 0x05F6 /* 0x05F6(1526) = 1514 + 8(double vlan) + 4(crc) bytes */
#define RT_VALN_HLEN 8 /* 8(double vlan) bytes */
#else
#define RX_BUF_SIZE 0x05F2 /* 0x05F2(1522) = 1514 + 4(single vlan) + 4(crc) bytes */
#define RT_VALN_HLEN 4 /* 4(single vlan) bytes */
#endif
#define R8125_MAX_TX_QUEUES (2)
#define R8125_MAX_RX_QUEUES_V2 (4)
#define R8125_MAX_RX_QUEUES_V3 (16)
#define R8125_MAX_RX_QUEUES R8125_MAX_RX_QUEUES_V3
#define R8125_MAX_QUEUES R8125_MAX_RX_QUEUES
#define OCP_STD_PHY_BASE 0xa400
//Channel Wait Count
#define R8125_CHANNEL_WAIT_COUNT (20000)
#define R8125_CHANNEL_WAIT_TIME (1) // 1us
#define R8125_CHANNEL_EXIT_DELAY_TIME (20) //20us
#ifdef ENABLE_LIB_SUPPORT
#define R8125_MULTI_RX_Q(tp) 0
#else
#define R8125_MULTI_RX_Q(tp) (tp->num_rx_rings > 1)
#endif
#define NODE_ADDRESS_SIZE 6
#define SHORT_PACKET_PADDING_BUF_SIZE 256
#define RTK_MAGIC_DEBUG_VALUE 0x0badbeef
/* write/read MMIO register */
#define RTL_W8(tp, reg, val8) writeb((val8), tp->mmio_addr + (reg))
#define RTL_W16(tp, reg, val16) writew((val16), tp->mmio_addr + (reg))
#define RTL_W32(tp, reg, val32) writel((val32), tp->mmio_addr + (reg))
#define RTL_R8(tp, reg) readb(tp->mmio_addr + (reg))
#define RTL_R16(tp, reg) readw(tp->mmio_addr + (reg))
#define RTL_R32(tp, reg) ((unsigned long) readl(tp->mmio_addr + (reg)))
#ifndef DMA_64BIT_MASK
#define DMA_64BIT_MASK 0xffffffffffffffffULL
#endif
#ifndef DMA_32BIT_MASK
#define DMA_32BIT_MASK 0x00000000ffffffffULL
#endif
#ifndef NETDEV_TX_OK
#define NETDEV_TX_OK 0 /* driver took care of packet */
#endif
#ifndef NETDEV_TX_BUSY
#define NETDEV_TX_BUSY 1 /* driver tx path was busy*/
#endif
#ifndef NETDEV_TX_LOCKED
#define NETDEV_TX_LOCKED -1t /* driver tx lock was already taken */
#endif
#ifndef ADVERTISED_Pause
#define ADVERTISED_Pause (1 << 13)
#endif
#ifndef ADVERTISED_Asym_Pause
#define ADVERTISED_Asym_Pause (1 << 14)
#endif
#ifndef ADVERTISE_PAUSE_CAP
#define ADVERTISE_PAUSE_CAP 0x400
#endif
#ifndef ADVERTISE_PAUSE_ASYM
#define ADVERTISE_PAUSE_ASYM 0x800
#endif
#ifndef MII_CTRL1000
#define MII_CTRL1000 0x09
#endif
#ifndef ADVERTISE_1000FULL
#define ADVERTISE_1000FULL 0x200
#endif
#ifndef ADVERTISE_1000HALF
#define ADVERTISE_1000HALF 0x100
#endif
#ifndef ADVERTISED_2500baseX_Full
#define ADVERTISED_2500baseX_Full 0x8000
#endif
#define RTK_ADVERTISE_2500FULL 0x80
#define RTK_ADVERTISE_5000FULL 0x100
#define RTK_ADVERTISE_10000FULL 0x1000
#define RTK_LPA_ADVERTISE_2500FULL 0x20
#define RTK_LPA_ADVERTISE_5000FULL 0x40
#define RTK_LPA_ADVERTISE_10000FULL 0x800
#define RTK_EEE_ADVERTISE_2500FULL BIT(0)
#define RTK_EEE_ADVERTISE_5000FULL BIT(1)
#define RTK_LPA_EEE_ADVERTISE_2500FULL BIT(0)
#define RTK_LPA_EEE_ADVERTISE_5000FULL BIT(1)
/* Tx NO CLOSE */
#define MAX_TX_NO_CLOSE_DESC_PTR_V2 0x10000
#define MAX_TX_NO_CLOSE_DESC_PTR_MASK_V2 0xFFFF
#define MAX_TX_NO_CLOSE_DESC_PTR_V3 0x100000000
#define MAX_TX_NO_CLOSE_DESC_PTR_MASK_V3 0xFFFFFFFF
#define MAX_TX_NO_CLOSE_DESC_PTR_V4 0x80000000
#define MAX_TX_NO_CLOSE_DESC_PTR_MASK_V4 0x7FFFFFFF
#define TX_NO_CLOSE_SW_PTR_MASK_V2 0x1FFFF
#ifndef ETH_MIN_MTU
#define ETH_MIN_MTU 68
#endif
#define D0_SPEED_UP_SPEED_DISABLE 0
#define D0_SPEED_UP_SPEED_1000 1
#define D0_SPEED_UP_SPEED_2500 2
#define RTL8125_MAC_MCU_PAGE_SIZE 256 //256 words
#ifndef WRITE_ONCE
#define WRITE_ONCE(var, val) (*((volatile typeof(val) *)(&(var))) = (val))
#endif
#ifndef READ_ONCE
#define READ_ONCE(var) (*((volatile typeof(var) *)(&(var))))
#endif
#define R8125_LINK_STATE_OFF 0
#define R8125_LINK_STATE_ON 1
#define R8125_LINK_STATE_UNKNOWN 2
/*****************************************************************************/
//#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,3)
#if ((LINUX_VERSION_CODE < KERNEL_VERSION(2,4,27)) || \
((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)) && \
(LINUX_VERSION_CODE < KERNEL_VERSION(2,6,3))))
/* copied from linux kernel 2.6.20 include/linux/netdev.h */
#define NETDEV_ALIGN 32
#define NETDEV_ALIGN_CONST (NETDEV_ALIGN - 1)
static inline void *netdev_priv(struct net_device *dev)
{
return (char *)dev + ((sizeof(struct net_device)
+ NETDEV_ALIGN_CONST)
& ~NETDEV_ALIGN_CONST);
}
#endif //LINUX_VERSION_CODE < KERNEL_VERSION(2,6,3)
/*****************************************************************************/
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,22)
#define RTLDEV tp
#else
#define RTLDEV dev
#endif //LINUX_VERSION_CODE < KERNEL_VERSION(2,6,22)
/*****************************************************************************/
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
typedef struct net_device *napi_ptr;
typedef int *napi_budget;
#define napi dev
#define RTL_NAPI_CONFIG(ndev, priv, function, weig) ndev->poll=function; \
ndev->weight=weig;
#define RTL_NAPI_QUOTA(budget, ndev) min(*budget, ndev->quota)
#define RTL_GET_PRIV(stuct_ptr, priv_struct) netdev_priv(stuct_ptr)
#define RTL_GET_NETDEV(priv_ptr)
#define RTL_RX_QUOTA(budget) *budget
#define RTL_NAPI_QUOTA_UPDATE(ndev, work_done, budget) *budget -= work_done; \
ndev->quota -= work_done;
#define RTL_NETIF_RX_COMPLETE(dev, napi, work_done) netif_rx_complete(dev)
#define RTL_NETIF_RX_SCHEDULE_PREP(dev, napi) netif_rx_schedule_prep(dev)
#define __RTL_NETIF_RX_SCHEDULE(dev, napi) __netif_rx_schedule(dev)
#define RTL_NAPI_RETURN_VALUE work_done >= work_to_do
#define RTL_NAPI_ENABLE(dev, napi) netif_poll_enable(dev)
#define RTL_NAPI_DISABLE(dev, napi) netif_poll_disable(dev)
#define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
#else
typedef struct napi_struct *napi_ptr;
typedef int napi_budget;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(6,1,0)
#define RTL_NAPI_CONFIG(ndev, priv, function, weight) netif_napi_add_weight(ndev, &priv->napi, function, weight)
#else
#define RTL_NAPI_CONFIG(ndev, priv, function, weight) netif_napi_add(ndev, &priv->napi, function, weight)
#endif //LINUX_VERSION_CODE >= KERNEL_VERSION(6,1,0)
#define RTL_NAPI_QUOTA(budget, ndev) min(budget, budget)
#define RTL_GET_PRIV(stuct_ptr, priv_struct) container_of(stuct_ptr, priv_struct, stuct_ptr)
#define RTL_GET_NETDEV(priv_ptr) struct net_device *dev = priv_ptr->dev;
#define RTL_RX_QUOTA(budget) budget
#define RTL_NAPI_QUOTA_UPDATE(ndev, work_done, budget)
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,29)
#define RTL_NETIF_RX_COMPLETE(dev, napi, work_done) netif_rx_complete(dev, napi)
#define RTL_NETIF_RX_SCHEDULE_PREP(dev, napi) netif_rx_schedule_prep(dev, napi)
#define __RTL_NETIF_RX_SCHEDULE(dev, napi) __netif_rx_schedule(dev, napi)
#endif
#if LINUX_VERSION_CODE == KERNEL_VERSION(2,6,29)
#define RTL_NETIF_RX_COMPLETE(dev, napi, work_done) netif_rx_complete(napi)
#define RTL_NETIF_RX_SCHEDULE_PREP(dev, napi) netif_rx_schedule_prep(napi)
#define __RTL_NETIF_RX_SCHEDULE(dev, napi) __netif_rx_schedule(napi)
#endif
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,29)
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,0)
#define RTL_NETIF_RX_COMPLETE(dev, napi, work_done) napi_complete_done(napi, work_done)
#else
#define RTL_NETIF_RX_COMPLETE(dev, napi, work_done) napi_complete(napi)
#endif
#define RTL_NETIF_RX_SCHEDULE_PREP(dev, napi) napi_schedule_prep(napi)
#define __RTL_NETIF_RX_SCHEDULE(dev, napi) __napi_schedule(napi)
#endif
#define RTL_NAPI_RETURN_VALUE work_done
#define RTL_NAPI_ENABLE(dev, napi) napi_enable(napi)
#define RTL_NAPI_DISABLE(dev, napi) napi_disable(napi)
#endif //LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27)
#define RTL_NAPI_DEL(priv)
#else
#define RTL_NAPI_DEL(priv) netif_napi_del(&priv->napi)
#endif //LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27)
/*****************************************************************************/
#ifdef CONFIG_R8125_NAPI
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,6,0)
#define RTL_NAPI_CONSUME_SKB_ANY(skb, budget) napi_consume_skb(skb, budget)
#elif LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)
#define RTL_NAPI_CONSUME_SKB_ANY(skb, budget) dev_consume_skb_any(skb);
#else
#define RTL_NAPI_CONSUME_SKB_ANY(skb, budget) dev_kfree_skb_any(skb);
#endif //LINUX_VERSION_CODE >= KERNEL_VERSION(4,6,0)
#else //CONFIG_R8125_NAPI
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)
#define RTL_NAPI_CONSUME_SKB_ANY(skb, budget) dev_consume_skb_any(skb);
#else
#define RTL_NAPI_CONSUME_SKB_ANY(skb, budget) dev_kfree_skb_any(skb);
#endif
#endif //CONFIG_R8125_NAPI
/*****************************************************************************/
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,9)
#ifdef __CHECKER__
#define __iomem __attribute__((noderef, address_space(2)))
extern void __chk_io_ptr(void __iomem *);
#define __bitwise __attribute__((bitwise))
#else
#define __iomem
#define __chk_io_ptr(x) (void)0
#define __bitwise
#endif
#endif //LINUX_VERSION_CODE < KERNEL_VERSION(2,6,9)
/*****************************************************************************/
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,8)
#ifdef __CHECKER__
#define __force __attribute__((force))
#else
#define __force
#endif
#endif //LINUX_VERSION_CODE < KERNEL_VERSION(2,6,8)
#ifndef module_param
#define module_param(v,t,p) MODULE_PARM(v, "i");
#endif
#ifndef PCI_DEVICE
#define PCI_DEVICE(vend,dev) \
.vendor = (vend), .device = (dev), \
.subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID
#endif
/*****************************************************************************/
/* 2.5.28 => 2.4.23 */
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,28))
static inline void _kc_synchronize_irq(void)
{
synchronize_irq();
}
#undef synchronize_irq
#define synchronize_irq(X) _kc_synchronize_irq()
#include <linux/tqueue.h>
#define work_struct tq_struct
#undef INIT_WORK
#define INIT_WORK(a,b,c) INIT_TQUEUE(a,(void (*)(void *))b,c)
#undef container_of
#define container_of list_entry
#define schedule_work schedule_task
#define flush_scheduled_work flush_scheduled_tasks
#endif /* 2.5.28 => 2.4.17 */
/*****************************************************************************/
/* 2.6.4 => 2.6.0 */
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,4))
#define MODULE_VERSION(_version) MODULE_INFO(version, _version)
#endif /* 2.6.4 => 2.6.0 */
/*****************************************************************************/
/* 2.6.0 => 2.5.28 */
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0))
#define MODULE_INFO(version, _version)
#ifndef CONFIG_E1000_DISABLE_PACKET_SPLIT
#define CONFIG_E1000_DISABLE_PACKET_SPLIT 1
#endif
#define pci_set_consistent_dma_mask(dev,mask) 1