first commit

This commit is contained in:
Fabio Belavenuto
2022-07-01 13:57:55 -03:00
commit a08662802d
1085 changed files with 341425 additions and 0 deletions

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addons/e1000/install.sh Normal file
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if [ "${1}" = "rd" ]; then
echo "Installing module for Intel(R) PRO/1000 Gigabit Ethernet adapter"
${INSMOD} "/modules/e1000.ko" ${PARAMS}
fi

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addons/e1000/manifest.yml Normal file
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version: 1
name: e1000
description: "Driver for Intel(R) PRO/1000 Gigabit Ethernet adapters"
available-for:
bromolow-3.10.108:
install-script: &script "install.sh"
modules: true
apollolake-4.4.180:
install-script: *script
modules: true
broadwell-4.4.180:
install-script: *script
modules: true
broadwellnk-4.4.180:
install-script: *script
modules: true
denverton-4.4.180:
install-script: *script
modules: true
geminilake-4.4.180:
install-script: *script
modules: true
v1000-4.4.180:
install-script: *script
modules: true
purley-4.4.180:
install-script: *script
modules: true

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obj-m += e1000.o
e1000-objs := e1000_main.o e1000_hw.o e1000_ethtool.o e1000_param.o

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/*******************************************************************************
Intel PRO/1000 Linux driver
Copyright(c) 1999 - 2006 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
version 2, as published by the Free Software Foundation.
This program is distributed in the hope 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, write to the Free Software Foundation, Inc.,
51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
The full GNU General Public License is included in this distribution in
the file called "COPYING".
Contact Information:
Linux NICS <linux.nics@intel.com>
e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*******************************************************************************/
/* Linux PRO/1000 Ethernet Driver main header file */
#ifndef _E1000_H_
#define _E1000_H_
#include <linux/stddef.h>
#include <linux/module.h>
#include <linux/types.h>
#include <asm/byteorder.h>
#include <linux/init.h>
#include <linux/mm.h>
#include <linux/errno.h>
#include <linux/ioport.h>
#include <linux/pci.h>
#include <linux/kernel.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
#include <linux/delay.h>
#include <linux/timer.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
#include <linux/interrupt.h>
#include <linux/string.h>
#include <linux/pagemap.h>
#include <linux/dma-mapping.h>
#include <linux/bitops.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <linux/capability.h>
#include <linux/in.h>
#include <linux/ip.h>
#include <linux/ipv6.h>
#include <linux/tcp.h>
#include <linux/udp.h>
#include <net/pkt_sched.h>
#include <linux/list.h>
#include <linux/reboot.h>
#include <net/checksum.h>
#include <linux/mii.h>
#include <linux/ethtool.h>
#include <linux/if_vlan.h>
#define BAR_0 0
#define BAR_1 1
#define BAR_5 5
#define INTEL_E1000_ETHERNET_DEVICE(device_id) {\
PCI_DEVICE(PCI_VENDOR_ID_INTEL, device_id)}
struct e1000_adapter;
#include "e1000_hw.h"
#define E1000_MAX_INTR 10
/* TX/RX descriptor defines */
#define E1000_DEFAULT_TXD 256
#define E1000_MAX_TXD 256
#define E1000_MIN_TXD 48
#define E1000_MAX_82544_TXD 4096
#define E1000_DEFAULT_RXD 256
#define E1000_MAX_RXD 256
#define E1000_MIN_RXD 48
#define E1000_MAX_82544_RXD 4096
#define E1000_MIN_ITR_USECS 10 /* 100000 irq/sec */
#define E1000_MAX_ITR_USECS 10000 /* 100 irq/sec */
/* this is the size past which hardware will drop packets when setting LPE=0 */
#define MAXIMUM_ETHERNET_VLAN_SIZE 1522
/* Supported Rx Buffer Sizes */
#define E1000_RXBUFFER_128 128 /* Used for packet split */
#define E1000_RXBUFFER_256 256 /* Used for packet split */
#define E1000_RXBUFFER_512 512
#define E1000_RXBUFFER_1024 1024
#define E1000_RXBUFFER_2048 2048
#define E1000_RXBUFFER_4096 4096
#define E1000_RXBUFFER_8192 8192
#define E1000_RXBUFFER_16384 16384
/* SmartSpeed delimiters */
#define E1000_SMARTSPEED_DOWNSHIFT 3
#define E1000_SMARTSPEED_MAX 15
/* Packet Buffer allocations */
#define E1000_PBA_BYTES_SHIFT 0xA
#define E1000_TX_HEAD_ADDR_SHIFT 7
#define E1000_PBA_TX_MASK 0xFFFF0000
/* Flow Control Watermarks */
#define E1000_FC_HIGH_DIFF 0x1638 /* High: 5688 bytes below Rx FIFO size */
#define E1000_FC_LOW_DIFF 0x1640 /* Low: 5696 bytes below Rx FIFO size */
#define E1000_FC_PAUSE_TIME 0xFFFF /* pause for the max or until send xon */
/* How many Tx Descriptors do we need to call netif_wake_queue ? */
#define E1000_TX_QUEUE_WAKE 16
/* How many Rx Buffers do we bundle into one write to the hardware ? */
#define E1000_RX_BUFFER_WRITE 16 /* Must be power of 2 */
#define AUTO_ALL_MODES 0
#define E1000_EEPROM_82544_APM 0x0004
#define E1000_EEPROM_APME 0x0400
#ifndef E1000_MASTER_SLAVE
/* Switch to override PHY master/slave setting */
#define E1000_MASTER_SLAVE e1000_ms_hw_default
#endif
#define E1000_MNG_VLAN_NONE (-1)
/* wrapper around a pointer to a socket buffer,
* so a DMA handle can be stored along with the buffer
*/
struct e1000_buffer {
struct sk_buff *skb;
dma_addr_t dma;
struct page *page;
unsigned long time_stamp;
u16 length;
u16 next_to_watch;
unsigned int segs;
unsigned int bytecount;
u16 mapped_as_page;
};
struct e1000_tx_ring {
/* pointer to the descriptor ring memory */
void *desc;
/* physical address of the descriptor ring */
dma_addr_t dma;
/* length of descriptor ring in bytes */
unsigned int size;
/* number of descriptors in the ring */
unsigned int count;
/* next descriptor to associate a buffer with */
unsigned int next_to_use;
/* next descriptor to check for DD status bit */
unsigned int next_to_clean;
/* array of buffer information structs */
struct e1000_buffer *buffer_info;
u16 tdh;
u16 tdt;
bool last_tx_tso;
};
struct e1000_rx_ring {
/* pointer to the descriptor ring memory */
void *desc;
/* physical address of the descriptor ring */
dma_addr_t dma;
/* length of descriptor ring in bytes */
unsigned int size;
/* number of descriptors in the ring */
unsigned int count;
/* next descriptor to associate a buffer with */
unsigned int next_to_use;
/* next descriptor to check for DD status bit */
unsigned int next_to_clean;
/* array of buffer information structs */
struct e1000_buffer *buffer_info;
struct sk_buff *rx_skb_top;
/* cpu for rx queue */
int cpu;
u16 rdh;
u16 rdt;
};
#define E1000_DESC_UNUSED(R) \
((((R)->next_to_clean > (R)->next_to_use) \
? 0 : (R)->count) + (R)->next_to_clean - (R)->next_to_use - 1)
#define E1000_RX_DESC_EXT(R, i) \
(&(((union e1000_rx_desc_extended *)((R).desc))[i]))
#define E1000_GET_DESC(R, i, type) (&(((struct type *)((R).desc))[i]))
#define E1000_RX_DESC(R, i) E1000_GET_DESC(R, i, e1000_rx_desc)
#define E1000_TX_DESC(R, i) E1000_GET_DESC(R, i, e1000_tx_desc)
#define E1000_CONTEXT_DESC(R, i) E1000_GET_DESC(R, i, e1000_context_desc)
/* board specific private data structure */
struct e1000_adapter {
unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
u16 mng_vlan_id;
u32 bd_number;
u32 rx_buffer_len;
u32 wol;
u32 smartspeed;
u32 en_mng_pt;
u16 link_speed;
u16 link_duplex;
spinlock_t stats_lock;
unsigned int total_tx_bytes;
unsigned int total_tx_packets;
unsigned int total_rx_bytes;
unsigned int total_rx_packets;
/* Interrupt Throttle Rate */
u32 itr;
u32 itr_setting;
u16 tx_itr;
u16 rx_itr;
u8 fc_autoneg;
/* TX */
struct e1000_tx_ring *tx_ring; /* One per active queue */
unsigned int restart_queue;
u32 txd_cmd;
u32 tx_int_delay;
u32 tx_abs_int_delay;
u32 gotcl;
u64 gotcl_old;
u64 tpt_old;
u64 colc_old;
u32 tx_timeout_count;
u32 tx_fifo_head;
u32 tx_head_addr;
u32 tx_fifo_size;
u8 tx_timeout_factor;
atomic_t tx_fifo_stall;
bool pcix_82544;
bool detect_tx_hung;
bool dump_buffers;
/* RX */
bool (*clean_rx)(struct e1000_adapter *adapter,
struct e1000_rx_ring *rx_ring,
int *work_done, int work_to_do);
void (*alloc_rx_buf)(struct e1000_adapter *adapter,
struct e1000_rx_ring *rx_ring,
int cleaned_count);
struct e1000_rx_ring *rx_ring; /* One per active queue */
struct napi_struct napi;
int num_tx_queues;
int num_rx_queues;
u64 hw_csum_err;
u64 hw_csum_good;
u32 alloc_rx_buff_failed;
u32 rx_int_delay;
u32 rx_abs_int_delay;
bool rx_csum;
u32 gorcl;
u64 gorcl_old;
/* OS defined structs */
struct net_device *netdev;
struct pci_dev *pdev;
/* structs defined in e1000_hw.h */
struct e1000_hw hw;
struct e1000_hw_stats stats;
struct e1000_phy_info phy_info;
struct e1000_phy_stats phy_stats;
u32 test_icr;
struct e1000_tx_ring test_tx_ring;
struct e1000_rx_ring test_rx_ring;
int msg_enable;
/* to not mess up cache alignment, always add to the bottom */
bool tso_force;
bool smart_power_down; /* phy smart power down */
bool quad_port_a;
unsigned long flags;
u32 eeprom_wol;
/* for ioport free */
int bars;
int need_ioport;
bool discarding;
struct work_struct reset_task;
struct delayed_work watchdog_task;
struct delayed_work fifo_stall_task;
struct delayed_work phy_info_task;
struct mutex mutex;
};
enum e1000_state_t {
__E1000_TESTING,
__E1000_RESETTING,
__E1000_DOWN
};
#undef pr_fmt
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
extern struct net_device *e1000_get_hw_dev(struct e1000_hw *hw);
#define e_dbg(format, arg...) \
netdev_dbg(e1000_get_hw_dev(hw), format, ## arg)
#define e_err(msglvl, format, arg...) \
netif_err(adapter, msglvl, adapter->netdev, format, ## arg)
#define e_info(msglvl, format, arg...) \
netif_info(adapter, msglvl, adapter->netdev, format, ## arg)
#define e_warn(msglvl, format, arg...) \
netif_warn(adapter, msglvl, adapter->netdev, format, ## arg)
#define e_notice(msglvl, format, arg...) \
netif_notice(adapter, msglvl, adapter->netdev, format, ## arg)
#define e_dev_info(format, arg...) \
dev_info(&adapter->pdev->dev, format, ## arg)
#define e_dev_warn(format, arg...) \
dev_warn(&adapter->pdev->dev, format, ## arg)
#define e_dev_err(format, arg...) \
dev_err(&adapter->pdev->dev, format, ## arg)
extern char e1000_driver_name[];
extern const char e1000_driver_version[];
extern int e1000_up(struct e1000_adapter *adapter);
extern void e1000_down(struct e1000_adapter *adapter);
extern void e1000_reinit_locked(struct e1000_adapter *adapter);
extern void e1000_reset(struct e1000_adapter *adapter);
extern int e1000_set_spd_dplx(struct e1000_adapter *adapter, u32 spd, u8 dplx);
extern int e1000_setup_all_rx_resources(struct e1000_adapter *adapter);
extern int e1000_setup_all_tx_resources(struct e1000_adapter *adapter);
extern void e1000_free_all_rx_resources(struct e1000_adapter *adapter);
extern void e1000_free_all_tx_resources(struct e1000_adapter *adapter);
extern void e1000_update_stats(struct e1000_adapter *adapter);
extern bool e1000_has_link(struct e1000_adapter *adapter);
extern void e1000_power_up_phy(struct e1000_adapter *);
extern void e1000_set_ethtool_ops(struct net_device *netdev);
extern void e1000_check_options(struct e1000_adapter *adapter);
extern char *e1000_get_hw_dev_name(struct e1000_hw *hw);
#endif /* _E1000_H_ */

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/*******************************************************************************
Intel PRO/1000 Linux driver
Copyright(c) 1999 - 2006 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
version 2, as published by the Free Software Foundation.
This program is distributed in the hope 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, write to the Free Software Foundation, Inc.,
51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
The full GNU General Public License is included in this distribution in
the file called "COPYING".
Contact Information:
Linux NICS <linux.nics@intel.com>
e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*******************************************************************************/
/* glue for the OS independent part of e1000
* includes register access macros
*/
#ifndef _E1000_OSDEP_H_
#define _E1000_OSDEP_H_
#include <asm/io.h>
#define CONFIG_RAM_BASE 0x60000
#define GBE_CONFIG_OFFSET 0x0
#define GBE_CONFIG_RAM_BASE \
((unsigned int)(CONFIG_RAM_BASE + GBE_CONFIG_OFFSET))
#define GBE_CONFIG_BASE_VIRT \
((void __iomem *)phys_to_virt(GBE_CONFIG_RAM_BASE))
#define GBE_CONFIG_FLASH_WRITE(base, offset, count, data) \
(iowrite16_rep(base + offset, data, count))
#define GBE_CONFIG_FLASH_READ(base, offset, count, data) \
(ioread16_rep(base + (offset << 1), data, count))
#define er32(reg) \
(readl(hw->hw_addr + ((hw->mac_type >= e1000_82543) \
? E1000_##reg : E1000_82542_##reg)))
#define ew32(reg, value) \
(writel((value), (hw->hw_addr + ((hw->mac_type >= e1000_82543) \
? E1000_##reg : E1000_82542_##reg))))
#define E1000_WRITE_REG_ARRAY(a, reg, offset, value) ( \
writel((value), ((a)->hw_addr + \
(((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg) + \
((offset) << 2))))
#define E1000_READ_REG_ARRAY(a, reg, offset) ( \
readl((a)->hw_addr + \
(((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg) + \
((offset) << 2)))
#define E1000_READ_REG_ARRAY_DWORD E1000_READ_REG_ARRAY
#define E1000_WRITE_REG_ARRAY_DWORD E1000_WRITE_REG_ARRAY
#define E1000_WRITE_REG_ARRAY_WORD(a, reg, offset, value) ( \
writew((value), ((a)->hw_addr + \
(((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg) + \
((offset) << 1))))
#define E1000_READ_REG_ARRAY_WORD(a, reg, offset) ( \
readw((a)->hw_addr + \
(((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg) + \
((offset) << 1)))
#define E1000_WRITE_REG_ARRAY_BYTE(a, reg, offset, value) ( \
writeb((value), ((a)->hw_addr + \
(((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg) + \
(offset))))
#define E1000_READ_REG_ARRAY_BYTE(a, reg, offset) ( \
readb((a)->hw_addr + \
(((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg) + \
(offset)))
#define E1000_WRITE_FLUSH() er32(STATUS)
#define E1000_WRITE_ICH_FLASH_REG(a, reg, value) ( \
writel((value), ((a)->flash_address + reg)))
#define E1000_READ_ICH_FLASH_REG(a, reg) ( \
readl((a)->flash_address + reg))
#define E1000_WRITE_ICH_FLASH_REG16(a, reg, value) ( \
writew((value), ((a)->flash_address + reg)))
#define E1000_READ_ICH_FLASH_REG16(a, reg) ( \
readw((a)->flash_address + reg))
#endif /* _E1000_OSDEP_H_ */

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/*******************************************************************************
Intel PRO/1000 Linux driver
Copyright(c) 1999 - 2006 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
version 2, as published by the Free Software Foundation.
This program is distributed in the hope 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, write to the Free Software Foundation, Inc.,
51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
The full GNU General Public License is included in this distribution in
the file called "COPYING".
Contact Information:
Linux NICS <linux.nics@intel.com>
e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*******************************************************************************/
#include "e1000.h"
/* This is the only thing that needs to be changed to adjust the
* maximum number of ports that the driver can manage.
*/
#define E1000_MAX_NIC 32
#define OPTION_UNSET -1
#define OPTION_DISABLED 0
#define OPTION_ENABLED 1
/* All parameters are treated the same, as an integer array of values.
* This macro just reduces the need to repeat the same declaration code
* over and over (plus this helps to avoid typo bugs).
*/
#define E1000_PARAM_INIT { [0 ... E1000_MAX_NIC] = OPTION_UNSET }
#define E1000_PARAM(X, desc) \
static int X[E1000_MAX_NIC+1] = E1000_PARAM_INIT; \
static unsigned int num_##X; \
module_param_array_named(X, X, int, &num_##X, 0); \
MODULE_PARM_DESC(X, desc);
/* Transmit Descriptor Count
*
* Valid Range: 80-256 for 82542 and 82543 gigabit ethernet controllers
* Valid Range: 80-4096 for 82544 and newer
*
* Default Value: 256
*/
E1000_PARAM(TxDescriptors, "Number of transmit descriptors");
/* Receive Descriptor Count
*
* Valid Range: 80-256 for 82542 and 82543 gigabit ethernet controllers
* Valid Range: 80-4096 for 82544 and newer
*
* Default Value: 256
*/
E1000_PARAM(RxDescriptors, "Number of receive descriptors");
/* User Specified Speed Override
*
* Valid Range: 0, 10, 100, 1000
* - 0 - auto-negotiate at all supported speeds
* - 10 - only link at 10 Mbps
* - 100 - only link at 100 Mbps
* - 1000 - only link at 1000 Mbps
*
* Default Value: 0
*/
E1000_PARAM(Speed, "Speed setting");
/* User Specified Duplex Override
*
* Valid Range: 0-2
* - 0 - auto-negotiate for duplex
* - 1 - only link at half duplex
* - 2 - only link at full duplex
*
* Default Value: 0
*/
E1000_PARAM(Duplex, "Duplex setting");
/* Auto-negotiation Advertisement Override
*
* Valid Range: 0x01-0x0F, 0x20-0x2F (copper); 0x20 (fiber)
*
* The AutoNeg value is a bit mask describing which speed and duplex
* combinations should be advertised during auto-negotiation.
* The supported speed and duplex modes are listed below
*
* Bit 7 6 5 4 3 2 1 0
* Speed (Mbps) N/A N/A 1000 N/A 100 100 10 10
* Duplex Full Full Half Full Half
*
* Default Value: 0x2F (copper); 0x20 (fiber)
*/
E1000_PARAM(AutoNeg, "Advertised auto-negotiation setting");
#define AUTONEG_ADV_DEFAULT 0x2F
#define AUTONEG_ADV_MASK 0x2F
/* User Specified Flow Control Override
*
* Valid Range: 0-3
* - 0 - No Flow Control
* - 1 - Rx only, respond to PAUSE frames but do not generate them
* - 2 - Tx only, generate PAUSE frames but ignore them on receive
* - 3 - Full Flow Control Support
*
* Default Value: Read flow control settings from the EEPROM
*/
E1000_PARAM(FlowControl, "Flow Control setting");
#define FLOW_CONTROL_DEFAULT FLOW_CONTROL_FULL
/* XsumRX - Receive Checksum Offload Enable/Disable
*
* Valid Range: 0, 1
* - 0 - disables all checksum offload
* - 1 - enables receive IP/TCP/UDP checksum offload
* on 82543 and newer -based NICs
*
* Default Value: 1
*/
E1000_PARAM(XsumRX, "Disable or enable Receive Checksum offload");
/* Transmit Interrupt Delay in units of 1.024 microseconds
* Tx interrupt delay needs to typically be set to something non zero
*
* Valid Range: 0-65535
*/
E1000_PARAM(TxIntDelay, "Transmit Interrupt Delay");
#define DEFAULT_TIDV 8
#define MAX_TXDELAY 0xFFFF
#define MIN_TXDELAY 0
/* Transmit Absolute Interrupt Delay in units of 1.024 microseconds
*
* Valid Range: 0-65535
*/
E1000_PARAM(TxAbsIntDelay, "Transmit Absolute Interrupt Delay");
#define DEFAULT_TADV 32
#define MAX_TXABSDELAY 0xFFFF
#define MIN_TXABSDELAY 0
/* Receive Interrupt Delay in units of 1.024 microseconds
* hardware will likely hang if you set this to anything but zero.
*
* Valid Range: 0-65535
*/
E1000_PARAM(RxIntDelay, "Receive Interrupt Delay");
#define DEFAULT_RDTR 0
#define MAX_RXDELAY 0xFFFF
#define MIN_RXDELAY 0
/* Receive Absolute Interrupt Delay in units of 1.024 microseconds
*
* Valid Range: 0-65535
*/
E1000_PARAM(RxAbsIntDelay, "Receive Absolute Interrupt Delay");
#define DEFAULT_RADV 8
#define MAX_RXABSDELAY 0xFFFF
#define MIN_RXABSDELAY 0
/* Interrupt Throttle Rate (interrupts/sec)
*
* Valid Range: 100-100000 (0=off, 1=dynamic, 3=dynamic conservative)
*/
E1000_PARAM(InterruptThrottleRate, "Interrupt Throttling Rate");
#define DEFAULT_ITR 3
#define MAX_ITR 100000
#define MIN_ITR 100
/* Enable Smart Power Down of the PHY
*
* Valid Range: 0, 1
*
* Default Value: 0 (disabled)
*/
E1000_PARAM(SmartPowerDownEnable, "Enable PHY smart power down");
struct e1000_option {
enum { enable_option, range_option, list_option } type;
const char *name;
const char *err;
int def;
union {
struct { /* range_option info */
int min;
int max;
} r;
struct { /* list_option info */
int nr;
const struct e1000_opt_list { int i; char *str; } *p;
} l;
} arg;
};
static int e1000_validate_option(unsigned int *value,
const struct e1000_option *opt,
struct e1000_adapter *adapter)
{
if (*value == OPTION_UNSET) {
*value = opt->def;
return 0;
}
switch (opt->type) {
case enable_option:
switch (*value) {
case OPTION_ENABLED:
e_dev_info("%s Enabled\n", opt->name);
return 0;
case OPTION_DISABLED:
e_dev_info("%s Disabled\n", opt->name);
return 0;
}
break;
case range_option:
if (*value >= opt->arg.r.min && *value <= opt->arg.r.max) {
e_dev_info("%s set to %i\n", opt->name, *value);
return 0;
}
break;
case list_option: {
int i;
const struct e1000_opt_list *ent;
for (i = 0; i < opt->arg.l.nr; i++) {
ent = &opt->arg.l.p[i];
if (*value == ent->i) {
if (ent->str[0] != '\0')
e_dev_info("%s\n", ent->str);
return 0;
}
}
}
break;
default:
BUG();
}
e_dev_info("Invalid %s value specified (%i) %s\n",
opt->name, *value, opt->err);
*value = opt->def;
return -1;
}
static void e1000_check_fiber_options(struct e1000_adapter *adapter);
static void e1000_check_copper_options(struct e1000_adapter *adapter);
/**
* e1000_check_options - Range Checking for Command Line Parameters
* @adapter: board private structure
*
* This routine checks all command line parameters for valid user
* input. If an invalid value is given, or if no user specified
* value exists, a default value is used. The final value is stored
* in a variable in the adapter structure.
**/
void e1000_check_options(struct e1000_adapter *adapter)
{
struct e1000_option opt;
int bd = adapter->bd_number;
if (bd >= E1000_MAX_NIC) {
e_dev_warn("Warning: no configuration for board #%i "
"using defaults for all values\n", bd);
}
{ /* Transmit Descriptor Count */
struct e1000_tx_ring *tx_ring = adapter->tx_ring;
int i;
e1000_mac_type mac_type = adapter->hw.mac_type;
opt = (struct e1000_option) {
.type = range_option,
.name = "Transmit Descriptors",
.err = "using default of "
__MODULE_STRING(E1000_DEFAULT_TXD),
.def = E1000_DEFAULT_TXD,
.arg = { .r = {
.min = E1000_MIN_TXD,
.max = mac_type < e1000_82544 ? E1000_MAX_TXD : E1000_MAX_82544_TXD
}}
};
if (num_TxDescriptors > bd) {
tx_ring->count = TxDescriptors[bd];
e1000_validate_option(&tx_ring->count, &opt, adapter);
tx_ring->count = ALIGN(tx_ring->count,
REQ_TX_DESCRIPTOR_MULTIPLE);
} else {
tx_ring->count = opt.def;
}
for (i = 0; i < adapter->num_tx_queues; i++)
tx_ring[i].count = tx_ring->count;
}
{ /* Receive Descriptor Count */
struct e1000_rx_ring *rx_ring = adapter->rx_ring;
int i;
e1000_mac_type mac_type = adapter->hw.mac_type;
opt = (struct e1000_option) {
.type = range_option,
.name = "Receive Descriptors",
.err = "using default of "
__MODULE_STRING(E1000_DEFAULT_RXD),
.def = E1000_DEFAULT_RXD,
.arg = { .r = {
.min = E1000_MIN_RXD,
.max = mac_type < e1000_82544 ? E1000_MAX_RXD :
E1000_MAX_82544_RXD
}}
};
if (num_RxDescriptors > bd) {
rx_ring->count = RxDescriptors[bd];
e1000_validate_option(&rx_ring->count, &opt, adapter);
rx_ring->count = ALIGN(rx_ring->count,
REQ_RX_DESCRIPTOR_MULTIPLE);
} else {
rx_ring->count = opt.def;
}
for (i = 0; i < adapter->num_rx_queues; i++)
rx_ring[i].count = rx_ring->count;
}
{ /* Checksum Offload Enable/Disable */
opt = (struct e1000_option) {
.type = enable_option,
.name = "Checksum Offload",
.err = "defaulting to Enabled",
.def = OPTION_ENABLED
};
if (num_XsumRX > bd) {
unsigned int rx_csum = XsumRX[bd];
e1000_validate_option(&rx_csum, &opt, adapter);
adapter->rx_csum = rx_csum;
} else {
adapter->rx_csum = opt.def;
}
}
{ /* Flow Control */
static const struct e1000_opt_list fc_list[] = {
{ E1000_FC_NONE, "Flow Control Disabled" },
{ E1000_FC_RX_PAUSE, "Flow Control Receive Only" },
{ E1000_FC_TX_PAUSE, "Flow Control Transmit Only" },
{ E1000_FC_FULL, "Flow Control Enabled" },
{ E1000_FC_DEFAULT, "Flow Control Hardware Default" }
};
opt = (struct e1000_option) {
.type = list_option,
.name = "Flow Control",
.err = "reading default settings from EEPROM",
.def = E1000_FC_DEFAULT,
.arg = { .l = { .nr = ARRAY_SIZE(fc_list),
.p = fc_list }}
};
if (num_FlowControl > bd) {
unsigned int fc = FlowControl[bd];
e1000_validate_option(&fc, &opt, adapter);
adapter->hw.fc = adapter->hw.original_fc = fc;
} else {
adapter->hw.fc = adapter->hw.original_fc = opt.def;
}
}
{ /* Transmit Interrupt Delay */
opt = (struct e1000_option) {
.type = range_option,
.name = "Transmit Interrupt Delay",
.err = "using default of " __MODULE_STRING(DEFAULT_TIDV),
.def = DEFAULT_TIDV,
.arg = { .r = { .min = MIN_TXDELAY,
.max = MAX_TXDELAY }}
};
if (num_TxIntDelay > bd) {
adapter->tx_int_delay = TxIntDelay[bd];
e1000_validate_option(&adapter->tx_int_delay, &opt,
adapter);
} else {
adapter->tx_int_delay = opt.def;
}
}
{ /* Transmit Absolute Interrupt Delay */
opt = (struct e1000_option) {
.type = range_option,
.name = "Transmit Absolute Interrupt Delay",
.err = "using default of " __MODULE_STRING(DEFAULT_TADV),
.def = DEFAULT_TADV,
.arg = { .r = { .min = MIN_TXABSDELAY,
.max = MAX_TXABSDELAY }}
};
if (num_TxAbsIntDelay > bd) {
adapter->tx_abs_int_delay = TxAbsIntDelay[bd];
e1000_validate_option(&adapter->tx_abs_int_delay, &opt,
adapter);
} else {
adapter->tx_abs_int_delay = opt.def;
}
}
{ /* Receive Interrupt Delay */
opt = (struct e1000_option) {
.type = range_option,
.name = "Receive Interrupt Delay",
.err = "using default of " __MODULE_STRING(DEFAULT_RDTR),
.def = DEFAULT_RDTR,
.arg = { .r = { .min = MIN_RXDELAY,
.max = MAX_RXDELAY }}
};
if (num_RxIntDelay > bd) {
adapter->rx_int_delay = RxIntDelay[bd];
e1000_validate_option(&adapter->rx_int_delay, &opt,
adapter);
} else {
adapter->rx_int_delay = opt.def;
}
}
{ /* Receive Absolute Interrupt Delay */
opt = (struct e1000_option) {
.type = range_option,
.name = "Receive Absolute Interrupt Delay",
.err = "using default of " __MODULE_STRING(DEFAULT_RADV),
.def = DEFAULT_RADV,
.arg = { .r = { .min = MIN_RXABSDELAY,
.max = MAX_RXABSDELAY }}
};
if (num_RxAbsIntDelay > bd) {
adapter->rx_abs_int_delay = RxAbsIntDelay[bd];
e1000_validate_option(&adapter->rx_abs_int_delay, &opt,
adapter);
} else {
adapter->rx_abs_int_delay = opt.def;
}
}
{ /* Interrupt Throttling Rate */
opt = (struct e1000_option) {
.type = range_option,
.name = "Interrupt Throttling Rate (ints/sec)",
.err = "using default of " __MODULE_STRING(DEFAULT_ITR),
.def = DEFAULT_ITR,
.arg = { .r = { .min = MIN_ITR,
.max = MAX_ITR }}
};
if (num_InterruptThrottleRate > bd) {
adapter->itr = InterruptThrottleRate[bd];
switch (adapter->itr) {
case 0:
e_dev_info("%s turned off\n", opt.name);
break;
case 1:
e_dev_info("%s set to dynamic mode\n",
opt.name);
adapter->itr_setting = adapter->itr;
adapter->itr = 20000;
break;
case 3:
e_dev_info("%s set to dynamic conservative "
"mode\n", opt.name);
adapter->itr_setting = adapter->itr;
adapter->itr = 20000;
break;
case 4:
e_dev_info("%s set to simplified "
"(2000-8000) ints mode\n", opt.name);
adapter->itr_setting = adapter->itr;
break;
default:
e1000_validate_option(&adapter->itr, &opt,
adapter);
/* save the setting, because the dynamic bits
* change itr.
* clear the lower two bits because they are
* used as control
*/
adapter->itr_setting = adapter->itr & ~3;
break;
}
} else {
adapter->itr_setting = opt.def;
adapter->itr = 20000;
}
}
{ /* Smart Power Down */
opt = (struct e1000_option) {
.type = enable_option,
.name = "PHY Smart Power Down",
.err = "defaulting to Disabled",
.def = OPTION_DISABLED
};
if (num_SmartPowerDownEnable > bd) {
unsigned int spd = SmartPowerDownEnable[bd];
e1000_validate_option(&spd, &opt, adapter);
adapter->smart_power_down = spd;
} else {
adapter->smart_power_down = opt.def;
}
}
switch (adapter->hw.media_type) {
case e1000_media_type_fiber:
case e1000_media_type_internal_serdes:
e1000_check_fiber_options(adapter);
break;
case e1000_media_type_copper:
e1000_check_copper_options(adapter);
break;
default:
BUG();
}
}
/**
* e1000_check_fiber_options - Range Checking for Link Options, Fiber Version
* @adapter: board private structure
*
* Handles speed and duplex options on fiber adapters
**/
static void e1000_check_fiber_options(struct e1000_adapter *adapter)
{
int bd = adapter->bd_number;
if (num_Speed > bd) {
e_dev_info("Speed not valid for fiber adapters, parameter "
"ignored\n");
}
if (num_Duplex > bd) {
e_dev_info("Duplex not valid for fiber adapters, parameter "
"ignored\n");
}
if ((num_AutoNeg > bd) && (AutoNeg[bd] != 0x20)) {
e_dev_info("AutoNeg other than 1000/Full is not valid for fiber"
"adapters, parameter ignored\n");
}
}
/**
* e1000_check_copper_options - Range Checking for Link Options, Copper Version
* @adapter: board private structure
*
* Handles speed and duplex options on copper adapters
**/
static void e1000_check_copper_options(struct e1000_adapter *adapter)
{
struct e1000_option opt;
unsigned int speed, dplx, an;
int bd = adapter->bd_number;
{ /* Speed */
static const struct e1000_opt_list speed_list[] = {
{ 0, "" },
{ SPEED_10, "" },
{ SPEED_100, "" },
{ SPEED_1000, "" }};
opt = (struct e1000_option) {
.type = list_option,
.name = "Speed",
.err = "parameter ignored",
.def = 0,
.arg = { .l = { .nr = ARRAY_SIZE(speed_list),
.p = speed_list }}
};
if (num_Speed > bd) {
speed = Speed[bd];
e1000_validate_option(&speed, &opt, adapter);
} else {
speed = opt.def;
}
}
{ /* Duplex */
static const struct e1000_opt_list dplx_list[] = {
{ 0, "" },
{ HALF_DUPLEX, "" },
{ FULL_DUPLEX, "" }};
opt = (struct e1000_option) {
.type = list_option,
.name = "Duplex",
.err = "parameter ignored",
.def = 0,
.arg = { .l = { .nr = ARRAY_SIZE(dplx_list),
.p = dplx_list }}
};
if (num_Duplex > bd) {
dplx = Duplex[bd];
e1000_validate_option(&dplx, &opt, adapter);
} else {
dplx = opt.def;
}
}
if ((num_AutoNeg > bd) && (speed != 0 || dplx != 0)) {
e_dev_info("AutoNeg specified along with Speed or Duplex, "
"parameter ignored\n");
adapter->hw.autoneg_advertised = AUTONEG_ADV_DEFAULT;
} else { /* Autoneg */
static const struct e1000_opt_list an_list[] =
#define AA "AutoNeg advertising "
{{ 0x01, AA "10/HD" },
{ 0x02, AA "10/FD" },
{ 0x03, AA "10/FD, 10/HD" },
{ 0x04, AA "100/HD" },
{ 0x05, AA "100/HD, 10/HD" },
{ 0x06, AA "100/HD, 10/FD" },
{ 0x07, AA "100/HD, 10/FD, 10/HD" },
{ 0x08, AA "100/FD" },
{ 0x09, AA "100/FD, 10/HD" },
{ 0x0a, AA "100/FD, 10/FD" },
{ 0x0b, AA "100/FD, 10/FD, 10/HD" },
{ 0x0c, AA "100/FD, 100/HD" },
{ 0x0d, AA "100/FD, 100/HD, 10/HD" },
{ 0x0e, AA "100/FD, 100/HD, 10/FD" },
{ 0x0f, AA "100/FD, 100/HD, 10/FD, 10/HD" },
{ 0x20, AA "1000/FD" },
{ 0x21, AA "1000/FD, 10/HD" },
{ 0x22, AA "1000/FD, 10/FD" },
{ 0x23, AA "1000/FD, 10/FD, 10/HD" },
{ 0x24, AA "1000/FD, 100/HD" },
{ 0x25, AA "1000/FD, 100/HD, 10/HD" },
{ 0x26, AA "1000/FD, 100/HD, 10/FD" },
{ 0x27, AA "1000/FD, 100/HD, 10/FD, 10/HD" },
{ 0x28, AA "1000/FD, 100/FD" },
{ 0x29, AA "1000/FD, 100/FD, 10/HD" },
{ 0x2a, AA "1000/FD, 100/FD, 10/FD" },
{ 0x2b, AA "1000/FD, 100/FD, 10/FD, 10/HD" },
{ 0x2c, AA "1000/FD, 100/FD, 100/HD" },
{ 0x2d, AA "1000/FD, 100/FD, 100/HD, 10/HD" },
{ 0x2e, AA "1000/FD, 100/FD, 100/HD, 10/FD" },
{ 0x2f, AA "1000/FD, 100/FD, 100/HD, 10/FD, 10/HD" }};
opt = (struct e1000_option) {
.type = list_option,
.name = "AutoNeg",
.err = "parameter ignored",
.def = AUTONEG_ADV_DEFAULT,
.arg = { .l = { .nr = ARRAY_SIZE(an_list),
.p = an_list }}
};
if (num_AutoNeg > bd) {
an = AutoNeg[bd];
e1000_validate_option(&an, &opt, adapter);
} else {
an = opt.def;
}
adapter->hw.autoneg_advertised = an;
}
switch (speed + dplx) {
case 0:
adapter->hw.autoneg = adapter->fc_autoneg = 1;
if ((num_Speed > bd) && (speed != 0 || dplx != 0))
e_dev_info("Speed and duplex autonegotiation "
"enabled\n");
break;
case HALF_DUPLEX:
e_dev_info("Half Duplex specified without Speed\n");
e_dev_info("Using Autonegotiation at Half Duplex only\n");
adapter->hw.autoneg = adapter->fc_autoneg = 1;
adapter->hw.autoneg_advertised = ADVERTISE_10_HALF |
ADVERTISE_100_HALF;
break;
case FULL_DUPLEX:
e_dev_info("Full Duplex specified without Speed\n");
e_dev_info("Using Autonegotiation at Full Duplex only\n");
adapter->hw.autoneg = adapter->fc_autoneg = 1;
adapter->hw.autoneg_advertised = ADVERTISE_10_FULL |
ADVERTISE_100_FULL |
ADVERTISE_1000_FULL;
break;
case SPEED_10:
e_dev_info("10 Mbps Speed specified without Duplex\n");
e_dev_info("Using Autonegotiation at 10 Mbps only\n");
adapter->hw.autoneg = adapter->fc_autoneg = 1;
adapter->hw.autoneg_advertised = ADVERTISE_10_HALF |
ADVERTISE_10_FULL;
break;
case SPEED_10 + HALF_DUPLEX:
e_dev_info("Forcing to 10 Mbps Half Duplex\n");
adapter->hw.autoneg = adapter->fc_autoneg = 0;
adapter->hw.forced_speed_duplex = e1000_10_half;
adapter->hw.autoneg_advertised = 0;
break;
case SPEED_10 + FULL_DUPLEX:
e_dev_info("Forcing to 10 Mbps Full Duplex\n");
adapter->hw.autoneg = adapter->fc_autoneg = 0;
adapter->hw.forced_speed_duplex = e1000_10_full;
adapter->hw.autoneg_advertised = 0;
break;
case SPEED_100:
e_dev_info("100 Mbps Speed specified without Duplex\n");
e_dev_info("Using Autonegotiation at 100 Mbps only\n");
adapter->hw.autoneg = adapter->fc_autoneg = 1;
adapter->hw.autoneg_advertised = ADVERTISE_100_HALF |
ADVERTISE_100_FULL;
break;
case SPEED_100 + HALF_DUPLEX:
e_dev_info("Forcing to 100 Mbps Half Duplex\n");
adapter->hw.autoneg = adapter->fc_autoneg = 0;
adapter->hw.forced_speed_duplex = e1000_100_half;
adapter->hw.autoneg_advertised = 0;
break;
case SPEED_100 + FULL_DUPLEX:
e_dev_info("Forcing to 100 Mbps Full Duplex\n");
adapter->hw.autoneg = adapter->fc_autoneg = 0;
adapter->hw.forced_speed_duplex = e1000_100_full;
adapter->hw.autoneg_advertised = 0;
break;
case SPEED_1000:
e_dev_info("1000 Mbps Speed specified without Duplex\n");
goto full_duplex_only;
case SPEED_1000 + HALF_DUPLEX:
e_dev_info("Half Duplex is not supported at 1000 Mbps\n");
/* fall through */
case SPEED_1000 + FULL_DUPLEX:
full_duplex_only:
e_dev_info("Using Autonegotiation at 1000 Mbps Full Duplex "
"only\n");
adapter->hw.autoneg = adapter->fc_autoneg = 1;
adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
break;
default:
BUG();
}
/* Speed, AutoNeg and MDI/MDI-X must all play nice */
if (e1000_validate_mdi_setting(&(adapter->hw)) < 0) {
e_dev_info("Speed, AutoNeg and MDI-X specs are incompatible. "
"Setting MDI-X to a compatible value.\n");
}
}

View File

@@ -0,0 +1,2 @@
obj-m += e1000.o
e1000-objs := e1000_main.o e1000_hw.o e1000_ethtool.o e1000_param.o

View File

@@ -0,0 +1,378 @@
/*******************************************************************************
Intel PRO/1000 Linux driver
Copyright(c) 1999 - 2006 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
version 2, as published by the Free Software Foundation.
This program is distributed in the hope 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, write to the Free Software Foundation, Inc.,
51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
The full GNU General Public License is included in this distribution in
the file called "COPYING".
Contact Information:
Linux NICS <linux.nics@intel.com>
e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*******************************************************************************/
/* Linux PRO/1000 Ethernet Driver main header file */
#ifndef _E1000_H_
#define _E1000_H_
#include <linux/stddef.h>
#include <linux/module.h>
#include <linux/types.h>
#include <asm/byteorder.h>
#include <linux/mm.h>
#include <linux/errno.h>
#include <linux/ioport.h>
#include <linux/pci.h>
#include <linux/kernel.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
#include <linux/delay.h>
#include <linux/timer.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
#include <linux/interrupt.h>
#include <linux/string.h>
#include <linux/pagemap.h>
#include <linux/dma-mapping.h>
#include <linux/bitops.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <linux/capability.h>
#include <linux/in.h>
#include <linux/ip.h>
#include <linux/ipv6.h>
#include <linux/tcp.h>
#include <linux/udp.h>
#include <net/pkt_sched.h>
#include <linux/list.h>
#include <linux/reboot.h>
#include <net/checksum.h>
#include <linux/mii.h>
#include <linux/ethtool.h>
#include <linux/if_vlan.h>
#define BAR_0 0
#define BAR_1 1
#define BAR_5 5
#define INTEL_E1000_ETHERNET_DEVICE(device_id) {\
PCI_DEVICE(PCI_VENDOR_ID_INTEL, device_id)}
struct e1000_adapter;
#include "e1000_hw.h"
#define E1000_MAX_INTR 10
/*
* Count for polling __E1000_RESET condition every 10-20msec.
*/
#define E1000_CHECK_RESET_COUNT 50
/* TX/RX descriptor defines */
#define E1000_DEFAULT_TXD 256
#define E1000_MAX_TXD 256
#define E1000_MIN_TXD 48
#define E1000_MAX_82544_TXD 4096
#define E1000_DEFAULT_RXD 256
#define E1000_MAX_RXD 256
#define E1000_MIN_RXD 48
#define E1000_MAX_82544_RXD 4096
#define E1000_MIN_ITR_USECS 10 /* 100000 irq/sec */
#define E1000_MAX_ITR_USECS 10000 /* 100 irq/sec */
/* this is the size past which hardware will drop packets when setting LPE=0 */
#define MAXIMUM_ETHERNET_VLAN_SIZE 1522
/* Supported Rx Buffer Sizes */
#define E1000_RXBUFFER_128 128 /* Used for packet split */
#define E1000_RXBUFFER_256 256 /* Used for packet split */
#define E1000_RXBUFFER_512 512
#define E1000_RXBUFFER_1024 1024
#define E1000_RXBUFFER_2048 2048
#define E1000_RXBUFFER_4096 4096
#define E1000_RXBUFFER_8192 8192
#define E1000_RXBUFFER_16384 16384
/* SmartSpeed delimiters */
#define E1000_SMARTSPEED_DOWNSHIFT 3
#define E1000_SMARTSPEED_MAX 15
/* Packet Buffer allocations */
#define E1000_PBA_BYTES_SHIFT 0xA
#define E1000_TX_HEAD_ADDR_SHIFT 7
#define E1000_PBA_TX_MASK 0xFFFF0000
/* Flow Control Watermarks */
#define E1000_FC_HIGH_DIFF 0x1638 /* High: 5688 bytes below Rx FIFO size */
#define E1000_FC_LOW_DIFF 0x1640 /* Low: 5696 bytes below Rx FIFO size */
#define E1000_FC_PAUSE_TIME 0xFFFF /* pause for the max or until send xon */
/* How many Tx Descriptors do we need to call netif_wake_queue ? */
#define E1000_TX_QUEUE_WAKE 16
/* How many Rx Buffers do we bundle into one write to the hardware ? */
#define E1000_RX_BUFFER_WRITE 16 /* Must be power of 2 */
#define AUTO_ALL_MODES 0
#define E1000_EEPROM_82544_APM 0x0004
#define E1000_EEPROM_APME 0x0400
#ifndef E1000_MASTER_SLAVE
/* Switch to override PHY master/slave setting */
#define E1000_MASTER_SLAVE e1000_ms_hw_default
#endif
#define E1000_MNG_VLAN_NONE (-1)
/* wrapper around a pointer to a socket buffer,
* so a DMA handle can be stored along with the buffer
*/
struct e1000_tx_buffer {
struct sk_buff *skb;
dma_addr_t dma;
unsigned long time_stamp;
u16 length;
u16 next_to_watch;
bool mapped_as_page;
unsigned short segs;
unsigned int bytecount;
};
struct e1000_rx_buffer {
union {
struct page *page; /* jumbo: alloc_page */
u8 *data; /* else, netdev_alloc_frag */
} rxbuf;
dma_addr_t dma;
};
struct e1000_tx_ring {
/* pointer to the descriptor ring memory */
void *desc;
/* physical address of the descriptor ring */
dma_addr_t dma;
/* length of descriptor ring in bytes */
unsigned int size;
/* number of descriptors in the ring */
unsigned int count;
/* next descriptor to associate a buffer with */
unsigned int next_to_use;
/* next descriptor to check for DD status bit */
unsigned int next_to_clean;
/* array of buffer information structs */
struct e1000_tx_buffer *buffer_info;
u16 tdh;
u16 tdt;
bool last_tx_tso;
};
struct e1000_rx_ring {
/* pointer to the descriptor ring memory */
void *desc;
/* physical address of the descriptor ring */
dma_addr_t dma;
/* length of descriptor ring in bytes */
unsigned int size;
/* number of descriptors in the ring */
unsigned int count;
/* next descriptor to associate a buffer with */
unsigned int next_to_use;
/* next descriptor to check for DD status bit */
unsigned int next_to_clean;
/* array of buffer information structs */
struct e1000_rx_buffer *buffer_info;
struct sk_buff *rx_skb_top;
/* cpu for rx queue */
int cpu;
u16 rdh;
u16 rdt;
};
#define E1000_DESC_UNUSED(R) \
({ \
unsigned int clean = smp_load_acquire(&(R)->next_to_clean); \
unsigned int use = READ_ONCE((R)->next_to_use); \
(clean > use ? 0 : (R)->count) + clean - use - 1; \
})
#define E1000_RX_DESC_EXT(R, i) \
(&(((union e1000_rx_desc_extended *)((R).desc))[i]))
#define E1000_GET_DESC(R, i, type) (&(((struct type *)((R).desc))[i]))
#define E1000_RX_DESC(R, i) E1000_GET_DESC(R, i, e1000_rx_desc)
#define E1000_TX_DESC(R, i) E1000_GET_DESC(R, i, e1000_tx_desc)
#define E1000_CONTEXT_DESC(R, i) E1000_GET_DESC(R, i, e1000_context_desc)
/* board specific private data structure */
struct e1000_adapter {
unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
u16 mng_vlan_id;
u32 bd_number;
u32 rx_buffer_len;
u32 wol;
u32 smartspeed;
u32 en_mng_pt;
u16 link_speed;
u16 link_duplex;
spinlock_t stats_lock;
unsigned int total_tx_bytes;
unsigned int total_tx_packets;
unsigned int total_rx_bytes;
unsigned int total_rx_packets;
/* Interrupt Throttle Rate */
u32 itr;
u32 itr_setting;
u16 tx_itr;
u16 rx_itr;
u8 fc_autoneg;
/* TX */
struct e1000_tx_ring *tx_ring; /* One per active queue */
unsigned int restart_queue;
u32 txd_cmd;
u32 tx_int_delay;
u32 tx_abs_int_delay;
u32 gotcl;
u64 gotcl_old;
u64 tpt_old;
u64 colc_old;
u32 tx_timeout_count;
u32 tx_fifo_head;
u32 tx_head_addr;
u32 tx_fifo_size;
u8 tx_timeout_factor;
atomic_t tx_fifo_stall;
bool pcix_82544;
bool detect_tx_hung;
bool dump_buffers;
/* RX */
bool (*clean_rx)(struct e1000_adapter *adapter,
struct e1000_rx_ring *rx_ring,
int *work_done, int work_to_do);
void (*alloc_rx_buf)(struct e1000_adapter *adapter,
struct e1000_rx_ring *rx_ring,
int cleaned_count);
struct e1000_rx_ring *rx_ring; /* One per active queue */
struct napi_struct napi;
int num_tx_queues;
int num_rx_queues;
u64 hw_csum_err;
u64 hw_csum_good;
u32 alloc_rx_buff_failed;
u32 rx_int_delay;
u32 rx_abs_int_delay;
bool rx_csum;
u32 gorcl;
u64 gorcl_old;
/* OS defined structs */
struct net_device *netdev;
struct pci_dev *pdev;
/* structs defined in e1000_hw.h */
struct e1000_hw hw;
struct e1000_hw_stats stats;
struct e1000_phy_info phy_info;
struct e1000_phy_stats phy_stats;
u32 test_icr;
struct e1000_tx_ring test_tx_ring;
struct e1000_rx_ring test_rx_ring;
int msg_enable;
/* to not mess up cache alignment, always add to the bottom */
bool tso_force;
bool smart_power_down; /* phy smart power down */
bool quad_port_a;
unsigned long flags;
u32 eeprom_wol;
/* for ioport free */
int bars;
int need_ioport;
bool discarding;
struct work_struct reset_task;
struct delayed_work watchdog_task;
struct delayed_work fifo_stall_task;
struct delayed_work phy_info_task;
};
enum e1000_state_t {
__E1000_TESTING,
__E1000_RESETTING,
__E1000_DOWN,
__E1000_DISABLED
};
#undef pr_fmt
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
struct net_device *e1000_get_hw_dev(struct e1000_hw *hw);
#define e_dbg(format, arg...) \
netdev_dbg(e1000_get_hw_dev(hw), format, ## arg)
#define e_err(msglvl, format, arg...) \
netif_err(adapter, msglvl, adapter->netdev, format, ## arg)
#define e_info(msglvl, format, arg...) \
netif_info(adapter, msglvl, adapter->netdev, format, ## arg)
#define e_warn(msglvl, format, arg...) \
netif_warn(adapter, msglvl, adapter->netdev, format, ## arg)
#define e_notice(msglvl, format, arg...) \
netif_notice(adapter, msglvl, adapter->netdev, format, ## arg)
#define e_dev_info(format, arg...) \
dev_info(&adapter->pdev->dev, format, ## arg)
#define e_dev_warn(format, arg...) \
dev_warn(&adapter->pdev->dev, format, ## arg)
#define e_dev_err(format, arg...) \
dev_err(&adapter->pdev->dev, format, ## arg)
extern char e1000_driver_name[];
extern const char e1000_driver_version[];
int e1000_up(struct e1000_adapter *adapter);
void e1000_down(struct e1000_adapter *adapter);
void e1000_reinit_locked(struct e1000_adapter *adapter);
void e1000_reset(struct e1000_adapter *adapter);
int e1000_set_spd_dplx(struct e1000_adapter *adapter, u32 spd, u8 dplx);
int e1000_setup_all_rx_resources(struct e1000_adapter *adapter);
int e1000_setup_all_tx_resources(struct e1000_adapter *adapter);
void e1000_free_all_rx_resources(struct e1000_adapter *adapter);
void e1000_free_all_tx_resources(struct e1000_adapter *adapter);
void e1000_update_stats(struct e1000_adapter *adapter);
bool e1000_has_link(struct e1000_adapter *adapter);
void e1000_power_up_phy(struct e1000_adapter *);
void e1000_set_ethtool_ops(struct net_device *netdev);
void e1000_check_options(struct e1000_adapter *adapter);
char *e1000_get_hw_dev_name(struct e1000_hw *hw);
#endif /* _E1000_H_ */

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/*******************************************************************************
Intel PRO/1000 Linux driver
Copyright(c) 1999 - 2006 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
version 2, as published by the Free Software Foundation.
This program is distributed in the hope 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, write to the Free Software Foundation, Inc.,
51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
The full GNU General Public License is included in this distribution in
the file called "COPYING".
Contact Information:
Linux NICS <linux.nics@intel.com>
e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*******************************************************************************/
/* glue for the OS independent part of e1000
* includes register access macros
*/
#ifndef _E1000_OSDEP_H_
#define _E1000_OSDEP_H_
#include <asm/io.h>
#define CONFIG_RAM_BASE 0x60000
#define GBE_CONFIG_OFFSET 0x0
#define GBE_CONFIG_RAM_BASE \
((unsigned int)(CONFIG_RAM_BASE + GBE_CONFIG_OFFSET))
#define GBE_CONFIG_BASE_VIRT \
((void __iomem *)phys_to_virt(GBE_CONFIG_RAM_BASE))
#define GBE_CONFIG_FLASH_WRITE(base, offset, count, data) \
(iowrite16_rep(base + offset, data, count))
#define GBE_CONFIG_FLASH_READ(base, offset, count, data) \
(ioread16_rep(base + (offset << 1), data, count))
#define er32(reg) \
(readl(hw->hw_addr + ((hw->mac_type >= e1000_82543) \
? E1000_##reg : E1000_82542_##reg)))
#define ew32(reg, value) \
(writel((value), (hw->hw_addr + ((hw->mac_type >= e1000_82543) \
? E1000_##reg : E1000_82542_##reg))))
#define E1000_WRITE_REG_ARRAY(a, reg, offset, value) ( \
writel((value), ((a)->hw_addr + \
(((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg) + \
((offset) << 2))))
#define E1000_READ_REG_ARRAY(a, reg, offset) ( \
readl((a)->hw_addr + \
(((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg) + \
((offset) << 2)))
#define E1000_READ_REG_ARRAY_DWORD E1000_READ_REG_ARRAY
#define E1000_WRITE_REG_ARRAY_DWORD E1000_WRITE_REG_ARRAY
#define E1000_WRITE_REG_ARRAY_WORD(a, reg, offset, value) ( \
writew((value), ((a)->hw_addr + \
(((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg) + \
((offset) << 1))))
#define E1000_READ_REG_ARRAY_WORD(a, reg, offset) ( \
readw((a)->hw_addr + \
(((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg) + \
((offset) << 1)))
#define E1000_WRITE_REG_ARRAY_BYTE(a, reg, offset, value) ( \
writeb((value), ((a)->hw_addr + \
(((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg) + \
(offset))))
#define E1000_READ_REG_ARRAY_BYTE(a, reg, offset) ( \
readb((a)->hw_addr + \
(((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg) + \
(offset)))
#define E1000_WRITE_FLUSH() er32(STATUS)
#define E1000_WRITE_ICH_FLASH_REG(a, reg, value) ( \
writel((value), ((a)->flash_address + reg)))
#define E1000_READ_ICH_FLASH_REG(a, reg) ( \
readl((a)->flash_address + reg))
#define E1000_WRITE_ICH_FLASH_REG16(a, reg, value) ( \
writew((value), ((a)->flash_address + reg)))
#define E1000_READ_ICH_FLASH_REG16(a, reg) ( \
readw((a)->flash_address + reg))
#endif /* _E1000_OSDEP_H_ */

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@@ -0,0 +1,754 @@
/*******************************************************************************
Intel PRO/1000 Linux driver
Copyright(c) 1999 - 2006 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
version 2, as published by the Free Software Foundation.
This program is distributed in the hope 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, write to the Free Software Foundation, Inc.,
51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
The full GNU General Public License is included in this distribution in
the file called "COPYING".
Contact Information:
Linux NICS <linux.nics@intel.com>
e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*******************************************************************************/
#include "e1000.h"
/* This is the only thing that needs to be changed to adjust the
* maximum number of ports that the driver can manage.
*/
#define E1000_MAX_NIC 32
#define OPTION_UNSET -1
#define OPTION_DISABLED 0
#define OPTION_ENABLED 1
/* All parameters are treated the same, as an integer array of values.
* This macro just reduces the need to repeat the same declaration code
* over and over (plus this helps to avoid typo bugs).
*/
#define E1000_PARAM_INIT { [0 ... E1000_MAX_NIC] = OPTION_UNSET }
#define E1000_PARAM(X, desc) \
static int X[E1000_MAX_NIC+1] = E1000_PARAM_INIT; \
static unsigned int num_##X; \
module_param_array_named(X, X, int, &num_##X, 0); \
MODULE_PARM_DESC(X, desc);
/* Transmit Descriptor Count
*
* Valid Range: 80-256 for 82542 and 82543 gigabit ethernet controllers
* Valid Range: 80-4096 for 82544 and newer
*
* Default Value: 256
*/
E1000_PARAM(TxDescriptors, "Number of transmit descriptors");
/* Receive Descriptor Count
*
* Valid Range: 80-256 for 82542 and 82543 gigabit ethernet controllers
* Valid Range: 80-4096 for 82544 and newer
*
* Default Value: 256
*/
E1000_PARAM(RxDescriptors, "Number of receive descriptors");
/* User Specified Speed Override
*
* Valid Range: 0, 10, 100, 1000
* - 0 - auto-negotiate at all supported speeds
* - 10 - only link at 10 Mbps
* - 100 - only link at 100 Mbps
* - 1000 - only link at 1000 Mbps
*
* Default Value: 0
*/
E1000_PARAM(Speed, "Speed setting");
/* User Specified Duplex Override
*
* Valid Range: 0-2
* - 0 - auto-negotiate for duplex
* - 1 - only link at half duplex
* - 2 - only link at full duplex
*
* Default Value: 0
*/
E1000_PARAM(Duplex, "Duplex setting");
/* Auto-negotiation Advertisement Override
*
* Valid Range: 0x01-0x0F, 0x20-0x2F (copper); 0x20 (fiber)
*
* The AutoNeg value is a bit mask describing which speed and duplex
* combinations should be advertised during auto-negotiation.
* The supported speed and duplex modes are listed below
*
* Bit 7 6 5 4 3 2 1 0
* Speed (Mbps) N/A N/A 1000 N/A 100 100 10 10
* Duplex Full Full Half Full Half
*
* Default Value: 0x2F (copper); 0x20 (fiber)
*/
E1000_PARAM(AutoNeg, "Advertised auto-negotiation setting");
#define AUTONEG_ADV_DEFAULT 0x2F
#define AUTONEG_ADV_MASK 0x2F
/* User Specified Flow Control Override
*
* Valid Range: 0-3
* - 0 - No Flow Control
* - 1 - Rx only, respond to PAUSE frames but do not generate them
* - 2 - Tx only, generate PAUSE frames but ignore them on receive
* - 3 - Full Flow Control Support
*
* Default Value: Read flow control settings from the EEPROM
*/
E1000_PARAM(FlowControl, "Flow Control setting");
#define FLOW_CONTROL_DEFAULT FLOW_CONTROL_FULL
/* XsumRX - Receive Checksum Offload Enable/Disable
*
* Valid Range: 0, 1
* - 0 - disables all checksum offload
* - 1 - enables receive IP/TCP/UDP checksum offload
* on 82543 and newer -based NICs
*
* Default Value: 1
*/
E1000_PARAM(XsumRX, "Disable or enable Receive Checksum offload");
/* Transmit Interrupt Delay in units of 1.024 microseconds
* Tx interrupt delay needs to typically be set to something non zero
*
* Valid Range: 0-65535
*/
E1000_PARAM(TxIntDelay, "Transmit Interrupt Delay");
#define DEFAULT_TIDV 8
#define MAX_TXDELAY 0xFFFF
#define MIN_TXDELAY 0
/* Transmit Absolute Interrupt Delay in units of 1.024 microseconds
*
* Valid Range: 0-65535
*/
E1000_PARAM(TxAbsIntDelay, "Transmit Absolute Interrupt Delay");
#define DEFAULT_TADV 32
#define MAX_TXABSDELAY 0xFFFF
#define MIN_TXABSDELAY 0
/* Receive Interrupt Delay in units of 1.024 microseconds
* hardware will likely hang if you set this to anything but zero.
*
* Valid Range: 0-65535
*/
E1000_PARAM(RxIntDelay, "Receive Interrupt Delay");
#define DEFAULT_RDTR 0
#define MAX_RXDELAY 0xFFFF
#define MIN_RXDELAY 0
/* Receive Absolute Interrupt Delay in units of 1.024 microseconds
*
* Valid Range: 0-65535
*/
E1000_PARAM(RxAbsIntDelay, "Receive Absolute Interrupt Delay");
#define DEFAULT_RADV 8
#define MAX_RXABSDELAY 0xFFFF
#define MIN_RXABSDELAY 0
/* Interrupt Throttle Rate (interrupts/sec)
*
* Valid Range: 100-100000 (0=off, 1=dynamic, 3=dynamic conservative)
*/
E1000_PARAM(InterruptThrottleRate, "Interrupt Throttling Rate");
#define DEFAULT_ITR 3
#define MAX_ITR 100000
#define MIN_ITR 100
/* Enable Smart Power Down of the PHY
*
* Valid Range: 0, 1
*
* Default Value: 0 (disabled)
*/
E1000_PARAM(SmartPowerDownEnable, "Enable PHY smart power down");
struct e1000_option {
enum { enable_option, range_option, list_option } type;
const char *name;
const char *err;
int def;
union {
struct { /* range_option info */
int min;
int max;
} r;
struct { /* list_option info */
int nr;
const struct e1000_opt_list { int i; char *str; } *p;
} l;
} arg;
};
static int e1000_validate_option(unsigned int *value,
const struct e1000_option *opt,
struct e1000_adapter *adapter)
{
if (*value == OPTION_UNSET) {
*value = opt->def;
return 0;
}
switch (opt->type) {
case enable_option:
switch (*value) {
case OPTION_ENABLED:
e_dev_info("%s Enabled\n", opt->name);
return 0;
case OPTION_DISABLED:
e_dev_info("%s Disabled\n", opt->name);
return 0;
}
break;
case range_option:
if (*value >= opt->arg.r.min && *value <= opt->arg.r.max) {
e_dev_info("%s set to %i\n", opt->name, *value);
return 0;
}
break;
case list_option: {
int i;
const struct e1000_opt_list *ent;
for (i = 0; i < opt->arg.l.nr; i++) {
ent = &opt->arg.l.p[i];
if (*value == ent->i) {
if (ent->str[0] != '\0')
e_dev_info("%s\n", ent->str);
return 0;
}
}
}
break;
default:
BUG();
}
e_dev_info("Invalid %s value specified (%i) %s\n",
opt->name, *value, opt->err);
*value = opt->def;
return -1;
}
static void e1000_check_fiber_options(struct e1000_adapter *adapter);
static void e1000_check_copper_options(struct e1000_adapter *adapter);
/**
* e1000_check_options - Range Checking for Command Line Parameters
* @adapter: board private structure
*
* This routine checks all command line parameters for valid user
* input. If an invalid value is given, or if no user specified
* value exists, a default value is used. The final value is stored
* in a variable in the adapter structure.
**/
void e1000_check_options(struct e1000_adapter *adapter)
{
struct e1000_option opt;
int bd = adapter->bd_number;
if (bd >= E1000_MAX_NIC) {
e_dev_warn("Warning: no configuration for board #%i "
"using defaults for all values\n", bd);
}
{ /* Transmit Descriptor Count */
struct e1000_tx_ring *tx_ring = adapter->tx_ring;
int i;
e1000_mac_type mac_type = adapter->hw.mac_type;
opt = (struct e1000_option) {
.type = range_option,
.name = "Transmit Descriptors",
.err = "using default of "
__MODULE_STRING(E1000_DEFAULT_TXD),
.def = E1000_DEFAULT_TXD,
.arg = { .r = {
.min = E1000_MIN_TXD,
.max = mac_type < e1000_82544 ? E1000_MAX_TXD : E1000_MAX_82544_TXD
}}
};
if (num_TxDescriptors > bd) {
tx_ring->count = TxDescriptors[bd];
e1000_validate_option(&tx_ring->count, &opt, adapter);
tx_ring->count = ALIGN(tx_ring->count,
REQ_TX_DESCRIPTOR_MULTIPLE);
} else {
tx_ring->count = opt.def;
}
for (i = 0; i < adapter->num_tx_queues; i++)
tx_ring[i].count = tx_ring->count;
}
{ /* Receive Descriptor Count */
struct e1000_rx_ring *rx_ring = adapter->rx_ring;
int i;
e1000_mac_type mac_type = adapter->hw.mac_type;
opt = (struct e1000_option) {
.type = range_option,
.name = "Receive Descriptors",
.err = "using default of "
__MODULE_STRING(E1000_DEFAULT_RXD),
.def = E1000_DEFAULT_RXD,
.arg = { .r = {
.min = E1000_MIN_RXD,
.max = mac_type < e1000_82544 ? E1000_MAX_RXD :
E1000_MAX_82544_RXD
}}
};
if (num_RxDescriptors > bd) {
rx_ring->count = RxDescriptors[bd];
e1000_validate_option(&rx_ring->count, &opt, adapter);
rx_ring->count = ALIGN(rx_ring->count,
REQ_RX_DESCRIPTOR_MULTIPLE);
} else {
rx_ring->count = opt.def;
}
for (i = 0; i < adapter->num_rx_queues; i++)
rx_ring[i].count = rx_ring->count;
}
{ /* Checksum Offload Enable/Disable */
opt = (struct e1000_option) {
.type = enable_option,
.name = "Checksum Offload",
.err = "defaulting to Enabled",
.def = OPTION_ENABLED
};
if (num_XsumRX > bd) {
unsigned int rx_csum = XsumRX[bd];
e1000_validate_option(&rx_csum, &opt, adapter);
adapter->rx_csum = rx_csum;
} else {
adapter->rx_csum = opt.def;
}
}
{ /* Flow Control */
static const struct e1000_opt_list fc_list[] = {
{ E1000_FC_NONE, "Flow Control Disabled" },
{ E1000_FC_RX_PAUSE, "Flow Control Receive Only" },
{ E1000_FC_TX_PAUSE, "Flow Control Transmit Only" },
{ E1000_FC_FULL, "Flow Control Enabled" },
{ E1000_FC_DEFAULT, "Flow Control Hardware Default" }
};
opt = (struct e1000_option) {
.type = list_option,
.name = "Flow Control",
.err = "reading default settings from EEPROM",
.def = E1000_FC_DEFAULT,
.arg = { .l = { .nr = ARRAY_SIZE(fc_list),
.p = fc_list }}
};
if (num_FlowControl > bd) {
unsigned int fc = FlowControl[bd];
e1000_validate_option(&fc, &opt, adapter);
adapter->hw.fc = adapter->hw.original_fc = fc;
} else {
adapter->hw.fc = adapter->hw.original_fc = opt.def;
}
}
{ /* Transmit Interrupt Delay */
opt = (struct e1000_option) {
.type = range_option,
.name = "Transmit Interrupt Delay",
.err = "using default of " __MODULE_STRING(DEFAULT_TIDV),
.def = DEFAULT_TIDV,
.arg = { .r = { .min = MIN_TXDELAY,
.max = MAX_TXDELAY }}
};
if (num_TxIntDelay > bd) {
adapter->tx_int_delay = TxIntDelay[bd];
e1000_validate_option(&adapter->tx_int_delay, &opt,
adapter);
} else {
adapter->tx_int_delay = opt.def;
}
}
{ /* Transmit Absolute Interrupt Delay */
opt = (struct e1000_option) {
.type = range_option,
.name = "Transmit Absolute Interrupt Delay",
.err = "using default of " __MODULE_STRING(DEFAULT_TADV),
.def = DEFAULT_TADV,
.arg = { .r = { .min = MIN_TXABSDELAY,
.max = MAX_TXABSDELAY }}
};
if (num_TxAbsIntDelay > bd) {
adapter->tx_abs_int_delay = TxAbsIntDelay[bd];
e1000_validate_option(&adapter->tx_abs_int_delay, &opt,
adapter);
} else {
adapter->tx_abs_int_delay = opt.def;
}
}
{ /* Receive Interrupt Delay */
opt = (struct e1000_option) {
.type = range_option,
.name = "Receive Interrupt Delay",
.err = "using default of " __MODULE_STRING(DEFAULT_RDTR),
.def = DEFAULT_RDTR,
.arg = { .r = { .min = MIN_RXDELAY,
.max = MAX_RXDELAY }}
};
if (num_RxIntDelay > bd) {
adapter->rx_int_delay = RxIntDelay[bd];
e1000_validate_option(&adapter->rx_int_delay, &opt,
adapter);
} else {
adapter->rx_int_delay = opt.def;
}
}
{ /* Receive Absolute Interrupt Delay */
opt = (struct e1000_option) {
.type = range_option,
.name = "Receive Absolute Interrupt Delay",
.err = "using default of " __MODULE_STRING(DEFAULT_RADV),
.def = DEFAULT_RADV,
.arg = { .r = { .min = MIN_RXABSDELAY,
.max = MAX_RXABSDELAY }}
};
if (num_RxAbsIntDelay > bd) {
adapter->rx_abs_int_delay = RxAbsIntDelay[bd];
e1000_validate_option(&adapter->rx_abs_int_delay, &opt,
adapter);
} else {
adapter->rx_abs_int_delay = opt.def;
}
}
{ /* Interrupt Throttling Rate */
opt = (struct e1000_option) {
.type = range_option,
.name = "Interrupt Throttling Rate (ints/sec)",
.err = "using default of " __MODULE_STRING(DEFAULT_ITR),
.def = DEFAULT_ITR,
.arg = { .r = { .min = MIN_ITR,
.max = MAX_ITR }}
};
if (num_InterruptThrottleRate > bd) {
adapter->itr = InterruptThrottleRate[bd];
switch (adapter->itr) {
case 0:
e_dev_info("%s turned off\n", opt.name);
break;
case 1:
e_dev_info("%s set to dynamic mode\n",
opt.name);
adapter->itr_setting = adapter->itr;
adapter->itr = 20000;
break;
case 3:
e_dev_info("%s set to dynamic conservative "
"mode\n", opt.name);
adapter->itr_setting = adapter->itr;
adapter->itr = 20000;
break;
case 4:
e_dev_info("%s set to simplified "
"(2000-8000) ints mode\n", opt.name);
adapter->itr_setting = adapter->itr;
break;
default:
e1000_validate_option(&adapter->itr, &opt,
adapter);
/* save the setting, because the dynamic bits
* change itr.
* clear the lower two bits because they are
* used as control
*/
adapter->itr_setting = adapter->itr & ~3;
break;
}
} else {
adapter->itr_setting = opt.def;
adapter->itr = 20000;
}
}
{ /* Smart Power Down */
opt = (struct e1000_option) {
.type = enable_option,
.name = "PHY Smart Power Down",
.err = "defaulting to Disabled",
.def = OPTION_DISABLED
};
if (num_SmartPowerDownEnable > bd) {
unsigned int spd = SmartPowerDownEnable[bd];
e1000_validate_option(&spd, &opt, adapter);
adapter->smart_power_down = spd;
} else {
adapter->smart_power_down = opt.def;
}
}
switch (adapter->hw.media_type) {
case e1000_media_type_fiber:
case e1000_media_type_internal_serdes:
e1000_check_fiber_options(adapter);
break;
case e1000_media_type_copper:
e1000_check_copper_options(adapter);
break;
default:
BUG();
}
}
/**
* e1000_check_fiber_options - Range Checking for Link Options, Fiber Version
* @adapter: board private structure
*
* Handles speed and duplex options on fiber adapters
**/
static void e1000_check_fiber_options(struct e1000_adapter *adapter)
{
int bd = adapter->bd_number;
if (num_Speed > bd) {
e_dev_info("Speed not valid for fiber adapters, parameter "
"ignored\n");
}
if (num_Duplex > bd) {
e_dev_info("Duplex not valid for fiber adapters, parameter "
"ignored\n");
}
if ((num_AutoNeg > bd) && (AutoNeg[bd] != 0x20)) {
e_dev_info("AutoNeg other than 1000/Full is not valid for fiber"
"adapters, parameter ignored\n");
}
}
/**
* e1000_check_copper_options - Range Checking for Link Options, Copper Version
* @adapter: board private structure
*
* Handles speed and duplex options on copper adapters
**/
static void e1000_check_copper_options(struct e1000_adapter *adapter)
{
struct e1000_option opt;
unsigned int speed, dplx, an;
int bd = adapter->bd_number;
{ /* Speed */
static const struct e1000_opt_list speed_list[] = {
{ 0, "" },
{ SPEED_10, "" },
{ SPEED_100, "" },
{ SPEED_1000, "" }};
opt = (struct e1000_option) {
.type = list_option,
.name = "Speed",
.err = "parameter ignored",
.def = 0,
.arg = { .l = { .nr = ARRAY_SIZE(speed_list),
.p = speed_list }}
};
if (num_Speed > bd) {
speed = Speed[bd];
e1000_validate_option(&speed, &opt, adapter);
} else {
speed = opt.def;
}
}
{ /* Duplex */
static const struct e1000_opt_list dplx_list[] = {
{ 0, "" },
{ HALF_DUPLEX, "" },
{ FULL_DUPLEX, "" }};
opt = (struct e1000_option) {
.type = list_option,
.name = "Duplex",
.err = "parameter ignored",
.def = 0,
.arg = { .l = { .nr = ARRAY_SIZE(dplx_list),
.p = dplx_list }}
};
if (num_Duplex > bd) {
dplx = Duplex[bd];
e1000_validate_option(&dplx, &opt, adapter);
} else {
dplx = opt.def;
}
}
if ((num_AutoNeg > bd) && (speed != 0 || dplx != 0)) {
e_dev_info("AutoNeg specified along with Speed or Duplex, "
"parameter ignored\n");
adapter->hw.autoneg_advertised = AUTONEG_ADV_DEFAULT;
} else { /* Autoneg */
static const struct e1000_opt_list an_list[] =
#define AA "AutoNeg advertising "
{{ 0x01, AA "10/HD" },
{ 0x02, AA "10/FD" },
{ 0x03, AA "10/FD, 10/HD" },
{ 0x04, AA "100/HD" },
{ 0x05, AA "100/HD, 10/HD" },
{ 0x06, AA "100/HD, 10/FD" },
{ 0x07, AA "100/HD, 10/FD, 10/HD" },
{ 0x08, AA "100/FD" },
{ 0x09, AA "100/FD, 10/HD" },
{ 0x0a, AA "100/FD, 10/FD" },
{ 0x0b, AA "100/FD, 10/FD, 10/HD" },
{ 0x0c, AA "100/FD, 100/HD" },
{ 0x0d, AA "100/FD, 100/HD, 10/HD" },
{ 0x0e, AA "100/FD, 100/HD, 10/FD" },
{ 0x0f, AA "100/FD, 100/HD, 10/FD, 10/HD" },
{ 0x20, AA "1000/FD" },
{ 0x21, AA "1000/FD, 10/HD" },
{ 0x22, AA "1000/FD, 10/FD" },
{ 0x23, AA "1000/FD, 10/FD, 10/HD" },
{ 0x24, AA "1000/FD, 100/HD" },
{ 0x25, AA "1000/FD, 100/HD, 10/HD" },
{ 0x26, AA "1000/FD, 100/HD, 10/FD" },
{ 0x27, AA "1000/FD, 100/HD, 10/FD, 10/HD" },
{ 0x28, AA "1000/FD, 100/FD" },
{ 0x29, AA "1000/FD, 100/FD, 10/HD" },
{ 0x2a, AA "1000/FD, 100/FD, 10/FD" },
{ 0x2b, AA "1000/FD, 100/FD, 10/FD, 10/HD" },
{ 0x2c, AA "1000/FD, 100/FD, 100/HD" },
{ 0x2d, AA "1000/FD, 100/FD, 100/HD, 10/HD" },
{ 0x2e, AA "1000/FD, 100/FD, 100/HD, 10/FD" },
{ 0x2f, AA "1000/FD, 100/FD, 100/HD, 10/FD, 10/HD" }};
opt = (struct e1000_option) {
.type = list_option,
.name = "AutoNeg",
.err = "parameter ignored",
.def = AUTONEG_ADV_DEFAULT,
.arg = { .l = { .nr = ARRAY_SIZE(an_list),
.p = an_list }}
};
if (num_AutoNeg > bd) {
an = AutoNeg[bd];
e1000_validate_option(&an, &opt, adapter);
} else {
an = opt.def;
}
adapter->hw.autoneg_advertised = an;
}
switch (speed + dplx) {
case 0:
adapter->hw.autoneg = adapter->fc_autoneg = 1;
if ((num_Speed > bd) && (speed != 0 || dplx != 0))
e_dev_info("Speed and duplex autonegotiation "
"enabled\n");
break;
case HALF_DUPLEX:
e_dev_info("Half Duplex specified without Speed\n");
e_dev_info("Using Autonegotiation at Half Duplex only\n");
adapter->hw.autoneg = adapter->fc_autoneg = 1;
adapter->hw.autoneg_advertised = ADVERTISE_10_HALF |
ADVERTISE_100_HALF;
break;
case FULL_DUPLEX:
e_dev_info("Full Duplex specified without Speed\n");
e_dev_info("Using Autonegotiation at Full Duplex only\n");
adapter->hw.autoneg = adapter->fc_autoneg = 1;
adapter->hw.autoneg_advertised = ADVERTISE_10_FULL |
ADVERTISE_100_FULL |
ADVERTISE_1000_FULL;
break;
case SPEED_10:
e_dev_info("10 Mbps Speed specified without Duplex\n");
e_dev_info("Using Autonegotiation at 10 Mbps only\n");
adapter->hw.autoneg = adapter->fc_autoneg = 1;
adapter->hw.autoneg_advertised = ADVERTISE_10_HALF |
ADVERTISE_10_FULL;
break;
case SPEED_10 + HALF_DUPLEX:
e_dev_info("Forcing to 10 Mbps Half Duplex\n");
adapter->hw.autoneg = adapter->fc_autoneg = 0;
adapter->hw.forced_speed_duplex = e1000_10_half;
adapter->hw.autoneg_advertised = 0;
break;
case SPEED_10 + FULL_DUPLEX:
e_dev_info("Forcing to 10 Mbps Full Duplex\n");
adapter->hw.autoneg = adapter->fc_autoneg = 0;
adapter->hw.forced_speed_duplex = e1000_10_full;
adapter->hw.autoneg_advertised = 0;
break;
case SPEED_100:
e_dev_info("100 Mbps Speed specified without Duplex\n");
e_dev_info("Using Autonegotiation at 100 Mbps only\n");
adapter->hw.autoneg = adapter->fc_autoneg = 1;
adapter->hw.autoneg_advertised = ADVERTISE_100_HALF |
ADVERTISE_100_FULL;
break;
case SPEED_100 + HALF_DUPLEX:
e_dev_info("Forcing to 100 Mbps Half Duplex\n");
adapter->hw.autoneg = adapter->fc_autoneg = 0;
adapter->hw.forced_speed_duplex = e1000_100_half;
adapter->hw.autoneg_advertised = 0;
break;
case SPEED_100 + FULL_DUPLEX:
e_dev_info("Forcing to 100 Mbps Full Duplex\n");
adapter->hw.autoneg = adapter->fc_autoneg = 0;
adapter->hw.forced_speed_duplex = e1000_100_full;
adapter->hw.autoneg_advertised = 0;
break;
case SPEED_1000:
e_dev_info("1000 Mbps Speed specified without Duplex\n");
goto full_duplex_only;
case SPEED_1000 + HALF_DUPLEX:
e_dev_info("Half Duplex is not supported at 1000 Mbps\n");
/* fall through */
case SPEED_1000 + FULL_DUPLEX:
full_duplex_only:
e_dev_info("Using Autonegotiation at 1000 Mbps Full Duplex "
"only\n");
adapter->hw.autoneg = adapter->fc_autoneg = 1;
adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
break;
default:
BUG();
}
/* Speed, AutoNeg and MDI/MDI-X must all play nice */
if (e1000_validate_mdi_setting(&(adapter->hw)) < 0) {
e_dev_info("Speed, AutoNeg and MDI-X specs are incompatible. "
"Setting MDI-X to a compatible value.\n");
}
}