Linux Audio

Check our new training course

Loading...
v4.17
  1/* SPDX-License-Identifier: GPL-2.0 */
  2/*******************************************************************************
  3
  4  Intel PRO/1000 Linux driver
  5  Copyright(c) 1999 - 2006 Intel Corporation.
  6
  7  This program is free software; you can redistribute it and/or modify it
  8  under the terms and conditions of the GNU General Public License,
  9  version 2, as published by the Free Software Foundation.
 10
 11  This program is distributed in the hope it will be useful, but WITHOUT
 12  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 13  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 14  more details.
 15
 16  You should have received a copy of the GNU General Public License along with
 17  this program; if not, write to the Free Software Foundation, Inc.,
 18  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
 19
 20  The full GNU General Public License is included in this distribution in
 21  the file called "COPYING".
 22
 23  Contact Information:
 24  Linux NICS <linux.nics@intel.com>
 25  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
 26  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
 27
 28*******************************************************************************/
 29
 30
 31/* Linux PRO/1000 Ethernet Driver main header file */
 32
 33#ifndef _E1000_H_
 34#define _E1000_H_
 35
 36#include <linux/stddef.h>
 37#include <linux/module.h>
 38#include <linux/types.h>
 39#include <asm/byteorder.h>
 
 40#include <linux/mm.h>
 41#include <linux/errno.h>
 42#include <linux/ioport.h>
 43#include <linux/pci.h>
 44#include <linux/kernel.h>
 45#include <linux/netdevice.h>
 46#include <linux/etherdevice.h>
 47#include <linux/skbuff.h>
 48#include <linux/delay.h>
 49#include <linux/timer.h>
 50#include <linux/slab.h>
 51#include <linux/vmalloc.h>
 52#include <linux/interrupt.h>
 53#include <linux/string.h>
 54#include <linux/pagemap.h>
 55#include <linux/dma-mapping.h>
 56#include <linux/bitops.h>
 57#include <asm/io.h>
 58#include <asm/irq.h>
 59#include <linux/capability.h>
 60#include <linux/in.h>
 61#include <linux/ip.h>
 62#include <linux/ipv6.h>
 63#include <linux/tcp.h>
 64#include <linux/udp.h>
 65#include <net/pkt_sched.h>
 66#include <linux/list.h>
 67#include <linux/reboot.h>
 68#include <net/checksum.h>
 69#include <linux/mii.h>
 70#include <linux/ethtool.h>
 71#include <linux/if_vlan.h>
 72
 73#define BAR_0		0
 74#define BAR_1		1
 75#define BAR_5		5
 76
 77#define INTEL_E1000_ETHERNET_DEVICE(device_id) {\
 78	PCI_DEVICE(PCI_VENDOR_ID_INTEL, device_id)}
 79
 80struct e1000_adapter;
 81
 82#include "e1000_hw.h"
 83
 84#define E1000_MAX_INTR			10
 85
 86/*
 87 * Count for polling __E1000_RESET condition every 10-20msec.
 88 */
 89#define E1000_CHECK_RESET_COUNT	50
 90
 91/* TX/RX descriptor defines */
 92#define E1000_DEFAULT_TXD		256
 93#define E1000_MAX_TXD			256
 94#define E1000_MIN_TXD			48
 95#define E1000_MAX_82544_TXD		4096
 96
 97#define E1000_DEFAULT_RXD		256
 98#define E1000_MAX_RXD			256
 99#define E1000_MIN_RXD			48
100#define E1000_MAX_82544_RXD		4096
101
102#define E1000_MIN_ITR_USECS		10 /* 100000 irq/sec */
103#define E1000_MAX_ITR_USECS		10000 /* 100    irq/sec */
104
105/* this is the size past which hardware will drop packets when setting LPE=0 */
106#define MAXIMUM_ETHERNET_VLAN_SIZE	1522
107
108/* Supported Rx Buffer Sizes */
109#define E1000_RXBUFFER_128		128    /* Used for packet split */
110#define E1000_RXBUFFER_256		256    /* Used for packet split */
111#define E1000_RXBUFFER_512		512
112#define E1000_RXBUFFER_1024		1024
113#define E1000_RXBUFFER_2048		2048
114#define E1000_RXBUFFER_4096		4096
115#define E1000_RXBUFFER_8192		8192
116#define E1000_RXBUFFER_16384		16384
117
118/* SmartSpeed delimiters */
119#define E1000_SMARTSPEED_DOWNSHIFT	3
120#define E1000_SMARTSPEED_MAX		15
121
122/* Packet Buffer allocations */
123#define E1000_PBA_BYTES_SHIFT		0xA
124#define E1000_TX_HEAD_ADDR_SHIFT	7
125#define E1000_PBA_TX_MASK		0xFFFF0000
126
127/* Flow Control Watermarks */
128#define E1000_FC_HIGH_DIFF	0x1638 /* High: 5688 bytes below Rx FIFO size */
129#define E1000_FC_LOW_DIFF	0x1640 /* Low:  5696 bytes below Rx FIFO size */
130
131#define E1000_FC_PAUSE_TIME	0xFFFF /* pause for the max or until send xon */
132
133/* How many Tx Descriptors do we need to call netif_wake_queue ? */
134#define E1000_TX_QUEUE_WAKE	16
135/* How many Rx Buffers do we bundle into one write to the hardware ? */
136#define E1000_RX_BUFFER_WRITE	16 /* Must be power of 2 */
137
138#define AUTO_ALL_MODES		0
139#define E1000_EEPROM_82544_APM	0x0004
140#define E1000_EEPROM_APME	0x0400
141
142#ifndef E1000_MASTER_SLAVE
143/* Switch to override PHY master/slave setting */
144#define E1000_MASTER_SLAVE	e1000_ms_hw_default
145#endif
146
147#define E1000_MNG_VLAN_NONE	(-1)
148
149/* wrapper around a pointer to a socket buffer,
150 * so a DMA handle can be stored along with the buffer
151 */
152struct e1000_tx_buffer {
153	struct sk_buff *skb;
154	dma_addr_t dma;
 
155	unsigned long time_stamp;
156	u16 length;
157	u16 next_to_watch;
158	bool mapped_as_page;
159	unsigned short segs;
160	unsigned int bytecount;
161};
162
163struct e1000_rx_buffer {
164	union {
165		struct page *page; /* jumbo: alloc_page */
166		u8 *data; /* else, netdev_alloc_frag */
167	} rxbuf;
168	dma_addr_t dma;
169};
170
171struct e1000_tx_ring {
172	/* pointer to the descriptor ring memory */
173	void *desc;
174	/* physical address of the descriptor ring */
175	dma_addr_t dma;
176	/* length of descriptor ring in bytes */
177	unsigned int size;
178	/* number of descriptors in the ring */
179	unsigned int count;
180	/* next descriptor to associate a buffer with */
181	unsigned int next_to_use;
182	/* next descriptor to check for DD status bit */
183	unsigned int next_to_clean;
184	/* array of buffer information structs */
185	struct e1000_tx_buffer *buffer_info;
186
187	u16 tdh;
188	u16 tdt;
189	bool last_tx_tso;
190};
191
192struct e1000_rx_ring {
193	/* pointer to the descriptor ring memory */
194	void *desc;
195	/* physical address of the descriptor ring */
196	dma_addr_t dma;
197	/* length of descriptor ring in bytes */
198	unsigned int size;
199	/* number of descriptors in the ring */
200	unsigned int count;
201	/* next descriptor to associate a buffer with */
202	unsigned int next_to_use;
203	/* next descriptor to check for DD status bit */
204	unsigned int next_to_clean;
205	/* array of buffer information structs */
206	struct e1000_rx_buffer *buffer_info;
207	struct sk_buff *rx_skb_top;
208
209	/* cpu for rx queue */
210	int cpu;
211
212	u16 rdh;
213	u16 rdt;
214};
215
216#define E1000_DESC_UNUSED(R)						\
217({									\
218	unsigned int clean = smp_load_acquire(&(R)->next_to_clean);	\
219	unsigned int use = READ_ONCE((R)->next_to_use);			\
220	(clean > use ? 0 : (R)->count) + clean - use - 1;		\
221})
222
223#define E1000_RX_DESC_EXT(R, i)						\
224	(&(((union e1000_rx_desc_extended *)((R).desc))[i]))
225#define E1000_GET_DESC(R, i, type)	(&(((struct type *)((R).desc))[i]))
226#define E1000_RX_DESC(R, i)		E1000_GET_DESC(R, i, e1000_rx_desc)
227#define E1000_TX_DESC(R, i)		E1000_GET_DESC(R, i, e1000_tx_desc)
228#define E1000_CONTEXT_DESC(R, i)	E1000_GET_DESC(R, i, e1000_context_desc)
229
230/* board specific private data structure */
231
232struct e1000_adapter {
233	unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
234	u16 mng_vlan_id;
235	u32 bd_number;
236	u32 rx_buffer_len;
237	u32 wol;
238	u32 smartspeed;
239	u32 en_mng_pt;
240	u16 link_speed;
241	u16 link_duplex;
242	spinlock_t stats_lock;
243	unsigned int total_tx_bytes;
244	unsigned int total_tx_packets;
245	unsigned int total_rx_bytes;
246	unsigned int total_rx_packets;
247	/* Interrupt Throttle Rate */
248	u32 itr;
249	u32 itr_setting;
250	u16 tx_itr;
251	u16 rx_itr;
252
253	u8 fc_autoneg;
254
255	/* TX */
256	struct e1000_tx_ring *tx_ring;      /* One per active queue */
257	unsigned int restart_queue;
258	u32 txd_cmd;
259	u32 tx_int_delay;
260	u32 tx_abs_int_delay;
261	u32 gotcl;
262	u64 gotcl_old;
263	u64 tpt_old;
264	u64 colc_old;
265	u32 tx_timeout_count;
266	u32 tx_fifo_head;
267	u32 tx_head_addr;
268	u32 tx_fifo_size;
269	u8  tx_timeout_factor;
270	atomic_t tx_fifo_stall;
271	bool pcix_82544;
272	bool detect_tx_hung;
273	bool dump_buffers;
274
275	/* RX */
276	bool (*clean_rx)(struct e1000_adapter *adapter,
277			 struct e1000_rx_ring *rx_ring,
278			 int *work_done, int work_to_do);
279	void (*alloc_rx_buf)(struct e1000_adapter *adapter,
280			     struct e1000_rx_ring *rx_ring,
281			     int cleaned_count);
282	struct e1000_rx_ring *rx_ring;      /* One per active queue */
283	struct napi_struct napi;
284
285	int num_tx_queues;
286	int num_rx_queues;
287
288	u64 hw_csum_err;
289	u64 hw_csum_good;
290	u32 alloc_rx_buff_failed;
291	u32 rx_int_delay;
292	u32 rx_abs_int_delay;
293	bool rx_csum;
294	u32 gorcl;
295	u64 gorcl_old;
296
297	/* OS defined structs */
298	struct net_device *netdev;
299	struct pci_dev *pdev;
300
301	/* structs defined in e1000_hw.h */
302	struct e1000_hw hw;
303	struct e1000_hw_stats stats;
304	struct e1000_phy_info phy_info;
305	struct e1000_phy_stats phy_stats;
306
307	u32 test_icr;
308	struct e1000_tx_ring test_tx_ring;
309	struct e1000_rx_ring test_rx_ring;
310
311	int msg_enable;
312
313	/* to not mess up cache alignment, always add to the bottom */
314	bool tso_force;
315	bool smart_power_down;	/* phy smart power down */
316	bool quad_port_a;
317	unsigned long flags;
318	u32 eeprom_wol;
319
320	/* for ioport free */
321	int bars;
322	int need_ioport;
323
324	bool discarding;
325
326	struct work_struct reset_task;
327	struct delayed_work watchdog_task;
328	struct delayed_work fifo_stall_task;
329	struct delayed_work phy_info_task;
 
 
330};
331
332enum e1000_state_t {
333	__E1000_TESTING,
334	__E1000_RESETTING,
335	__E1000_DOWN,
336	__E1000_DISABLED
337};
338
339#undef pr_fmt
340#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
341
342struct net_device *e1000_get_hw_dev(struct e1000_hw *hw);
343#define e_dbg(format, arg...) \
344	netdev_dbg(e1000_get_hw_dev(hw), format, ## arg)
345#define e_err(msglvl, format, arg...) \
346	netif_err(adapter, msglvl, adapter->netdev, format, ## arg)
347#define e_info(msglvl, format, arg...) \
348	netif_info(adapter, msglvl, adapter->netdev, format, ## arg)
349#define e_warn(msglvl, format, arg...) \
350	netif_warn(adapter, msglvl, adapter->netdev, format, ## arg)
351#define e_notice(msglvl, format, arg...) \
352	netif_notice(adapter, msglvl, adapter->netdev, format, ## arg)
353#define e_dev_info(format, arg...) \
354	dev_info(&adapter->pdev->dev, format, ## arg)
355#define e_dev_warn(format, arg...) \
356	dev_warn(&adapter->pdev->dev, format, ## arg)
357#define e_dev_err(format, arg...) \
358	dev_err(&adapter->pdev->dev, format, ## arg)
359
360extern char e1000_driver_name[];
361extern const char e1000_driver_version[];
362
363int e1000_open(struct net_device *netdev);
364int e1000_close(struct net_device *netdev);
365int e1000_up(struct e1000_adapter *adapter);
366void e1000_down(struct e1000_adapter *adapter);
367void e1000_reinit_locked(struct e1000_adapter *adapter);
368void e1000_reset(struct e1000_adapter *adapter);
369int e1000_set_spd_dplx(struct e1000_adapter *adapter, u32 spd, u8 dplx);
370int e1000_setup_all_rx_resources(struct e1000_adapter *adapter);
371int e1000_setup_all_tx_resources(struct e1000_adapter *adapter);
372void e1000_free_all_rx_resources(struct e1000_adapter *adapter);
373void e1000_free_all_tx_resources(struct e1000_adapter *adapter);
374void e1000_update_stats(struct e1000_adapter *adapter);
375bool e1000_has_link(struct e1000_adapter *adapter);
376void e1000_power_up_phy(struct e1000_adapter *);
377void e1000_set_ethtool_ops(struct net_device *netdev);
378void e1000_check_options(struct e1000_adapter *adapter);
379char *e1000_get_hw_dev_name(struct e1000_hw *hw);
380
381#endif /* _E1000_H_ */
v3.5.6
 
  1/*******************************************************************************
  2
  3  Intel PRO/1000 Linux driver
  4  Copyright(c) 1999 - 2006 Intel Corporation.
  5
  6  This program is free software; you can redistribute it and/or modify it
  7  under the terms and conditions of the GNU General Public License,
  8  version 2, as published by the Free Software Foundation.
  9
 10  This program is distributed in the hope it will be useful, but WITHOUT
 11  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 12  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 13  more details.
 14
 15  You should have received a copy of the GNU General Public License along with
 16  this program; if not, write to the Free Software Foundation, Inc.,
 17  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
 18
 19  The full GNU General Public License is included in this distribution in
 20  the file called "COPYING".
 21
 22  Contact Information:
 23  Linux NICS <linux.nics@intel.com>
 24  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
 25  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
 26
 27*******************************************************************************/
 28
 29
 30/* Linux PRO/1000 Ethernet Driver main header file */
 31
 32#ifndef _E1000_H_
 33#define _E1000_H_
 34
 35#include <linux/stddef.h>
 36#include <linux/module.h>
 37#include <linux/types.h>
 38#include <asm/byteorder.h>
 39#include <linux/init.h>
 40#include <linux/mm.h>
 41#include <linux/errno.h>
 42#include <linux/ioport.h>
 43#include <linux/pci.h>
 44#include <linux/kernel.h>
 45#include <linux/netdevice.h>
 46#include <linux/etherdevice.h>
 47#include <linux/skbuff.h>
 48#include <linux/delay.h>
 49#include <linux/timer.h>
 50#include <linux/slab.h>
 51#include <linux/vmalloc.h>
 52#include <linux/interrupt.h>
 53#include <linux/string.h>
 54#include <linux/pagemap.h>
 55#include <linux/dma-mapping.h>
 56#include <linux/bitops.h>
 57#include <asm/io.h>
 58#include <asm/irq.h>
 59#include <linux/capability.h>
 60#include <linux/in.h>
 61#include <linux/ip.h>
 62#include <linux/ipv6.h>
 63#include <linux/tcp.h>
 64#include <linux/udp.h>
 65#include <net/pkt_sched.h>
 66#include <linux/list.h>
 67#include <linux/reboot.h>
 68#include <net/checksum.h>
 69#include <linux/mii.h>
 70#include <linux/ethtool.h>
 71#include <linux/if_vlan.h>
 72
 73#define BAR_0		0
 74#define BAR_1		1
 75#define BAR_5		5
 76
 77#define INTEL_E1000_ETHERNET_DEVICE(device_id) {\
 78	PCI_DEVICE(PCI_VENDOR_ID_INTEL, device_id)}
 79
 80struct e1000_adapter;
 81
 82#include "e1000_hw.h"
 83
 84#define E1000_MAX_INTR 10
 
 
 
 
 
 85
 86/* TX/RX descriptor defines */
 87#define E1000_DEFAULT_TXD                  256
 88#define E1000_MAX_TXD                      256
 89#define E1000_MIN_TXD                       48
 90#define E1000_MAX_82544_TXD               4096
 91
 92#define E1000_DEFAULT_RXD                  256
 93#define E1000_MAX_RXD                      256
 94#define E1000_MIN_RXD                       48
 95#define E1000_MAX_82544_RXD               4096
 96
 97#define E1000_MIN_ITR_USECS		10 /* 100000 irq/sec */
 98#define E1000_MAX_ITR_USECS		10000 /* 100    irq/sec */
 99
100/* this is the size past which hardware will drop packets when setting LPE=0 */
101#define MAXIMUM_ETHERNET_VLAN_SIZE 1522
102
103/* Supported Rx Buffer Sizes */
104#define E1000_RXBUFFER_128   128    /* Used for packet split */
105#define E1000_RXBUFFER_256   256    /* Used for packet split */
106#define E1000_RXBUFFER_512   512
107#define E1000_RXBUFFER_1024  1024
108#define E1000_RXBUFFER_2048  2048
109#define E1000_RXBUFFER_4096  4096
110#define E1000_RXBUFFER_8192  8192
111#define E1000_RXBUFFER_16384 16384
112
113/* SmartSpeed delimiters */
114#define E1000_SMARTSPEED_DOWNSHIFT 3
115#define E1000_SMARTSPEED_MAX       15
116
117/* Packet Buffer allocations */
118#define E1000_PBA_BYTES_SHIFT 0xA
119#define E1000_TX_HEAD_ADDR_SHIFT 7
120#define E1000_PBA_TX_MASK 0xFFFF0000
121
122/* Flow Control Watermarks */
123#define E1000_FC_HIGH_DIFF 0x1638  /* High: 5688 bytes below Rx FIFO size */
124#define E1000_FC_LOW_DIFF 0x1640   /* Low:  5696 bytes below Rx FIFO size */
125
126#define E1000_FC_PAUSE_TIME 0xFFFF /* pause for the max or until send xon */
127
128/* How many Tx Descriptors do we need to call netif_wake_queue ? */
129#define E1000_TX_QUEUE_WAKE	16
130/* How many Rx Buffers do we bundle into one write to the hardware ? */
131#define E1000_RX_BUFFER_WRITE	16	/* Must be power of 2 */
132
133#define AUTO_ALL_MODES            0
134#define E1000_EEPROM_82544_APM    0x0004
135#define E1000_EEPROM_APME         0x0400
136
137#ifndef E1000_MASTER_SLAVE
138/* Switch to override PHY master/slave setting */
139#define E1000_MASTER_SLAVE	e1000_ms_hw_default
140#endif
141
142#define E1000_MNG_VLAN_NONE (-1)
143
144/* wrapper around a pointer to a socket buffer,
145 * so a DMA handle can be stored along with the buffer */
146struct e1000_buffer {
 
147	struct sk_buff *skb;
148	dma_addr_t dma;
149	struct page *page;
150	unsigned long time_stamp;
151	u16 length;
152	u16 next_to_watch;
153	unsigned int segs;
 
154	unsigned int bytecount;
155	u16 mapped_as_page;
 
 
 
 
 
 
 
156};
157
158struct e1000_tx_ring {
159	/* pointer to the descriptor ring memory */
160	void *desc;
161	/* physical address of the descriptor ring */
162	dma_addr_t dma;
163	/* length of descriptor ring in bytes */
164	unsigned int size;
165	/* number of descriptors in the ring */
166	unsigned int count;
167	/* next descriptor to associate a buffer with */
168	unsigned int next_to_use;
169	/* next descriptor to check for DD status bit */
170	unsigned int next_to_clean;
171	/* array of buffer information structs */
172	struct e1000_buffer *buffer_info;
173
174	u16 tdh;
175	u16 tdt;
176	bool last_tx_tso;
177};
178
179struct e1000_rx_ring {
180	/* pointer to the descriptor ring memory */
181	void *desc;
182	/* physical address of the descriptor ring */
183	dma_addr_t dma;
184	/* length of descriptor ring in bytes */
185	unsigned int size;
186	/* number of descriptors in the ring */
187	unsigned int count;
188	/* next descriptor to associate a buffer with */
189	unsigned int next_to_use;
190	/* next descriptor to check for DD status bit */
191	unsigned int next_to_clean;
192	/* array of buffer information structs */
193	struct e1000_buffer *buffer_info;
194	struct sk_buff *rx_skb_top;
195
196	/* cpu for rx queue */
197	int cpu;
198
199	u16 rdh;
200	u16 rdt;
201};
202
203#define E1000_DESC_UNUSED(R)						\
204	((((R)->next_to_clean > (R)->next_to_use)			\
205	  ? 0 : (R)->count) + (R)->next_to_clean - (R)->next_to_use - 1)
 
 
 
206
207#define E1000_RX_DESC_EXT(R, i)						\
208	(&(((union e1000_rx_desc_extended *)((R).desc))[i]))
209#define E1000_GET_DESC(R, i, type)	(&(((struct type *)((R).desc))[i]))
210#define E1000_RX_DESC(R, i)		E1000_GET_DESC(R, i, e1000_rx_desc)
211#define E1000_TX_DESC(R, i)		E1000_GET_DESC(R, i, e1000_tx_desc)
212#define E1000_CONTEXT_DESC(R, i)	E1000_GET_DESC(R, i, e1000_context_desc)
213
214/* board specific private data structure */
215
216struct e1000_adapter {
217	unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
218	u16 mng_vlan_id;
219	u32 bd_number;
220	u32 rx_buffer_len;
221	u32 wol;
222	u32 smartspeed;
223	u32 en_mng_pt;
224	u16 link_speed;
225	u16 link_duplex;
226	spinlock_t stats_lock;
227	unsigned int total_tx_bytes;
228	unsigned int total_tx_packets;
229	unsigned int total_rx_bytes;
230	unsigned int total_rx_packets;
231	/* Interrupt Throttle Rate */
232	u32 itr;
233	u32 itr_setting;
234	u16 tx_itr;
235	u16 rx_itr;
236
237	u8 fc_autoneg;
238
239	/* TX */
240	struct e1000_tx_ring *tx_ring;      /* One per active queue */
241	unsigned int restart_queue;
242	u32 txd_cmd;
243	u32 tx_int_delay;
244	u32 tx_abs_int_delay;
245	u32 gotcl;
246	u64 gotcl_old;
247	u64 tpt_old;
248	u64 colc_old;
249	u32 tx_timeout_count;
250	u32 tx_fifo_head;
251	u32 tx_head_addr;
252	u32 tx_fifo_size;
253	u8  tx_timeout_factor;
254	atomic_t tx_fifo_stall;
255	bool pcix_82544;
256	bool detect_tx_hung;
257	bool dump_buffers;
258
259	/* RX */
260	bool (*clean_rx)(struct e1000_adapter *adapter,
261			 struct e1000_rx_ring *rx_ring,
262			 int *work_done, int work_to_do);
263	void (*alloc_rx_buf)(struct e1000_adapter *adapter,
264			     struct e1000_rx_ring *rx_ring,
265			     int cleaned_count);
266	struct e1000_rx_ring *rx_ring;      /* One per active queue */
267	struct napi_struct napi;
268
269	int num_tx_queues;
270	int num_rx_queues;
271
272	u64 hw_csum_err;
273	u64 hw_csum_good;
274	u32 alloc_rx_buff_failed;
275	u32 rx_int_delay;
276	u32 rx_abs_int_delay;
277	bool rx_csum;
278	u32 gorcl;
279	u64 gorcl_old;
280
281	/* OS defined structs */
282	struct net_device *netdev;
283	struct pci_dev *pdev;
284
285	/* structs defined in e1000_hw.h */
286	struct e1000_hw hw;
287	struct e1000_hw_stats stats;
288	struct e1000_phy_info phy_info;
289	struct e1000_phy_stats phy_stats;
290
291	u32 test_icr;
292	struct e1000_tx_ring test_tx_ring;
293	struct e1000_rx_ring test_rx_ring;
294
295	int msg_enable;
296
297	/* to not mess up cache alignment, always add to the bottom */
298	bool tso_force;
299	bool smart_power_down;	/* phy smart power down */
300	bool quad_port_a;
301	unsigned long flags;
302	u32 eeprom_wol;
303
304	/* for ioport free */
305	int bars;
306	int need_ioport;
307
308	bool discarding;
309
310	struct work_struct reset_task;
311	struct delayed_work watchdog_task;
312	struct delayed_work fifo_stall_task;
313	struct delayed_work phy_info_task;
314
315	struct mutex mutex;
316};
317
318enum e1000_state_t {
319	__E1000_TESTING,
320	__E1000_RESETTING,
321	__E1000_DOWN
 
322};
323
324#undef pr_fmt
325#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
326
327extern struct net_device *e1000_get_hw_dev(struct e1000_hw *hw);
328#define e_dbg(format, arg...) \
329	netdev_dbg(e1000_get_hw_dev(hw), format, ## arg)
330#define e_err(msglvl, format, arg...) \
331	netif_err(adapter, msglvl, adapter->netdev, format, ## arg)
332#define e_info(msglvl, format, arg...) \
333	netif_info(adapter, msglvl, adapter->netdev, format, ## arg)
334#define e_warn(msglvl, format, arg...) \
335	netif_warn(adapter, msglvl, adapter->netdev, format, ## arg)
336#define e_notice(msglvl, format, arg...) \
337	netif_notice(adapter, msglvl, adapter->netdev, format, ## arg)
338#define e_dev_info(format, arg...) \
339	dev_info(&adapter->pdev->dev, format, ## arg)
340#define e_dev_warn(format, arg...) \
341	dev_warn(&adapter->pdev->dev, format, ## arg)
342#define e_dev_err(format, arg...) \
343	dev_err(&adapter->pdev->dev, format, ## arg)
344
345extern char e1000_driver_name[];
346extern const char e1000_driver_version[];
347
348extern int e1000_up(struct e1000_adapter *adapter);
349extern void e1000_down(struct e1000_adapter *adapter);
350extern void e1000_reinit_locked(struct e1000_adapter *adapter);
351extern void e1000_reset(struct e1000_adapter *adapter);
352extern int e1000_set_spd_dplx(struct e1000_adapter *adapter, u32 spd, u8 dplx);
353extern int e1000_setup_all_rx_resources(struct e1000_adapter *adapter);
354extern int e1000_setup_all_tx_resources(struct e1000_adapter *adapter);
355extern void e1000_free_all_rx_resources(struct e1000_adapter *adapter);
356extern void e1000_free_all_tx_resources(struct e1000_adapter *adapter);
357extern void e1000_update_stats(struct e1000_adapter *adapter);
358extern bool e1000_has_link(struct e1000_adapter *adapter);
359extern void e1000_power_up_phy(struct e1000_adapter *);
360extern void e1000_set_ethtool_ops(struct net_device *netdev);
361extern void e1000_check_options(struct e1000_adapter *adapter);
362extern char *e1000_get_hw_dev_name(struct e1000_hw *hw);
 
 
363
364#endif /* _E1000_H_ */