/*******************************************************************************
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Intel PRO/1000 Linux driver
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Copyright(c) 1999 - 2008 Intel Corporation.
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This program is free software; you can redistribute it and/or modify it
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under the terms and conditions of the GNU General Public License,
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version 2, as published by the Free Software Foundation.
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This program is distributed in the hope it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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The full GNU General Public License is included in this distribution in
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the file called "COPYING".
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Contact Information:
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Linux NICS <linux.nics@intel.com>
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e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
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Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*******************************************************************************/
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/* Linux PRO/1000 Ethernet Driver main header file */
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#ifndef _E1000_H_
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#define _E1000_H_
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#include "kcompat.h"
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#include "e1000_api.h"
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#define BAR_0 0
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#define BAR_1 1
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#define BAR_5 5
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#define INTEL_E1000_ETHERNET_DEVICE(device_id) {\
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PCI_DEVICE(PCI_VENDOR_ID_INTEL, device_id)}
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struct e1000_adapter;
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#define E1000_DBG(args...)
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#define E1000_ERR(args...) printk(KERN_ERR "e1000: " args)
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#define PFX "e1000: "
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#define DPRINTK(nlevel, klevel, fmt, args...) \
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(void)((NETIF_MSG_##nlevel & adapter->msg_enable) && \
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printk(KERN_##klevel PFX "%s: %s: " fmt, adapter->netdev->name, \
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__FUNCTION__ , ## args))
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#define E1000_MAX_INTR 10
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/* TX/RX descriptor defines */
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#define E1000_DEFAULT_TXD 256
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#define E1000_MAX_TXD 256
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#define E1000_MIN_TXD 80
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#define E1000_MAX_82544_TXD 4096
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#define E1000_DEFAULT_RXD 256
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#define E1000_MAX_RXD 256
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#define E1000_MIN_RXD 80
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#define E1000_MAX_82544_RXD 4096
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#define E1000_MIN_ITR_USECS 10 /* 100000 irq/sec */
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#define E1000_MAX_ITR_USECS 10000 /* 100 irq/sec */
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#ifdef CONFIG_E1000_MQ
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#define E1000_MAX_TX_QUEUES 4
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#endif
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/* this is the size past which hardware will drop packets when setting LPE=0 */
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#define MAXIMUM_ETHERNET_VLAN_SIZE 1522
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/* Supported Rx Buffer Sizes */
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#define E1000_RXBUFFER_128 128 /* Used for packet split */
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#define E1000_RXBUFFER_256 256 /* Used for packet split */
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#define E1000_RXBUFFER_512 512
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#define E1000_RXBUFFER_1024 1024
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#define E1000_RXBUFFER_2048 2048
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#define E1000_RXBUFFER_4096 4096
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#define E1000_RXBUFFER_8192 8192
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#define E1000_RXBUFFER_16384 16384
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/* SmartSpeed delimiters */
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#define E1000_SMARTSPEED_DOWNSHIFT 3
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#define E1000_SMARTSPEED_MAX 15
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/* Packet Buffer allocations */
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#define E1000_PBA_BYTES_SHIFT 0xA
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#define E1000_TX_HEAD_ADDR_SHIFT 7
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#define E1000_PBA_TX_MASK 0xFFFF0000
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/* Early Receive defines */
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#define E1000_ERT_2048 0x100
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#define E1000_FC_PAUSE_TIME 0x0680 /* 858 usec */
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/* How many Tx Descriptors do we need to call netif_wake_queue ? */
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#define E1000_TX_QUEUE_WAKE 16
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/* How many Rx Buffers do we bundle into one write to the hardware ? */
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#define E1000_RX_BUFFER_WRITE 16 /* Must be power of 2 */
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#define AUTO_ALL_MODES 0
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#define E1000_EEPROM_82544_APM 0x0004
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#define E1000_EEPROM_APME 0x0400
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#ifndef E1000_MASTER_SLAVE
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/* Switch to override PHY master/slave setting */
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#define E1000_MASTER_SLAVE e1000_ms_hw_default
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#endif
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#ifdef NETIF_F_HW_VLAN_TX
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#define E1000_MNG_VLAN_NONE -1
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#endif
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/* Number of packet split data buffers (not including the header buffer) */
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#define PS_PAGE_BUFFERS MAX_PS_BUFFERS-1
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/* wrapper around a pointer to a socket buffer,
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* so a DMA handle can be stored along with the buffer */
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struct e1000_buffer {
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struct rtskb *skb;
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dma_addr_t dma;
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unsigned long time_stamp;
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u16 length;
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u16 next_to_watch;
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};
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struct e1000_rx_buffer {
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struct rtskb *skb;
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dma_addr_t dma;
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struct page *page;
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};
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#ifdef CONFIG_E1000_MQ
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struct e1000_queue_stats {
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u64 packets;
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u64 bytes;
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};
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#endif
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struct e1000_ps_page { struct page *ps_page[PS_PAGE_BUFFERS]; };
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struct e1000_ps_page_dma { u64 ps_page_dma[PS_PAGE_BUFFERS]; };
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struct e1000_tx_ring {
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/* pointer to the descriptor ring memory */
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void *desc;
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/* physical address of the descriptor ring */
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dma_addr_t dma;
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/* length of descriptor ring in bytes */
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unsigned int size;
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/* number of descriptors in the ring */
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unsigned int count;
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/* next descriptor to associate a buffer with */
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unsigned int next_to_use;
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/* next descriptor to check for DD status bit */
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unsigned int next_to_clean;
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/* array of buffer information structs */
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struct e1000_buffer *buffer_info;
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#ifdef CONFIG_E1000_MQ
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/* for tx ring cleanup - needed for multiqueue */
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spinlock_t tx_queue_lock;
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#endif
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rtdm_lock_t tx_lock;
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u16 tdh;
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u16 tdt;
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#ifdef CONFIG_E1000_MQ
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struct e1000_queue_stats tx_stats;
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#endif
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bool last_tx_tso;
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};
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struct e1000_rx_ring {
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struct e1000_adapter *adapter; /* back link */
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/* pointer to the descriptor ring memory */
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void *desc;
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/* physical address of the descriptor ring */
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dma_addr_t dma;
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/* length of descriptor ring in bytes */
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unsigned int size;
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/* number of descriptors in the ring */
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unsigned int count;
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/* next descriptor to associate a buffer with */
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unsigned int next_to_use;
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/* next descriptor to check for DD status bit */
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unsigned int next_to_clean;
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#ifdef CONFIG_E1000_NAPI
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struct napi_struct napi;
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#endif
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/* array of buffer information structs */
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struct e1000_rx_buffer *buffer_info;
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/* arrays of page information for packet split */
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struct e1000_ps_page *ps_page;
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struct e1000_ps_page_dma *ps_page_dma;
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struct sk_buff *rx_skb_top;
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/* cpu for rx queue */
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int cpu;
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u16 rdh;
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u16 rdt;
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#ifdef CONFIG_E1000_MQ
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struct e1000_queue_stats rx_stats;
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#endif
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};
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#define E1000_DESC_UNUSED(R) \
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((((R)->next_to_clean > (R)->next_to_use) ? 0 : (R)->count) + \
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(R)->next_to_clean - (R)->next_to_use - 1)
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#define E1000_RX_DESC_PS(R, i) \
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(&(((union e1000_rx_desc_packet_split *)((R).desc))[i]))
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#define E1000_RX_DESC_EXT(R, i) \
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(&(((union e1000_rx_desc_extended *)((R).desc))[i]))
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#define E1000_GET_DESC(R, i, type) (&(((struct type *)((R).desc))[i]))
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#define E1000_RX_DESC(R, i) E1000_GET_DESC(R, i, e1000_rx_desc)
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#define E1000_TX_DESC(R, i) E1000_GET_DESC(R, i, e1000_tx_desc)
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#define E1000_CONTEXT_DESC(R, i) E1000_GET_DESC(R, i, e1000_context_desc)
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#ifdef SIOCGMIIPHY
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/* PHY register snapshot values */
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struct e1000_phy_regs {
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u16 bmcr; /* basic mode control register */
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u16 bmsr; /* basic mode status register */
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u16 advertise; /* auto-negotiation advertisement */
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u16 lpa; /* link partner ability register */
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u16 expansion; /* auto-negotiation expansion reg */
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u16 ctrl1000; /* 1000BASE-T control register */
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u16 stat1000; /* 1000BASE-T status register */
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u16 estatus; /* extended status register */
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};
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#endif
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/* board specific private data structure */
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struct e1000_adapter {
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#ifdef NETIF_F_HW_VLAN_TX
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struct vlan_group *vlgrp;
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u16 mng_vlan_id;
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#endif
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u32 bd_number;
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u32 rx_buffer_len;
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u32 wol;
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u32 smartspeed;
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u32 en_mng_pt;
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u16 link_speed;
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u16 link_duplex;
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rtdm_lock_t stats_lock;
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#ifdef CONFIG_E1000_NAPI
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spinlock_t tx_queue_lock;
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#endif
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atomic_t irq_sem;
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unsigned int total_tx_bytes;
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unsigned int total_tx_packets;
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unsigned int total_rx_bytes;
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unsigned int total_rx_packets;
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/* Interrupt Throttle Rate */
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u32 itr;
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u32 itr_setting;
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u16 tx_itr;
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u16 rx_itr;
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bool fc_autoneg;
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#ifdef ETHTOOL_PHYS_ID
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struct timer_list blink_timer;
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unsigned long led_status;
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#endif
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/* TX */
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struct e1000_tx_ring *tx_ring; /* One per active queue */
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#ifdef CONFIG_E1000_MQ
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struct e1000_tx_ring **cpu_tx_ring; /* per-cpu */
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#endif
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unsigned int restart_queue;
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unsigned long tx_queue_len;
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u32 txd_cmd;
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u32 tx_int_delay;
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u32 tx_abs_int_delay;
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u32 gotc;
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u64 gotc_old;
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u64 tpt_old;
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u64 colc_old;
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u32 tx_timeout_count;
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u32 tx_fifo_head;
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u32 tx_head_addr;
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u32 tx_fifo_size;
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u8 tx_timeout_factor;
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atomic_t tx_fifo_stall;
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bool pcix_82544;
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bool detect_tx_hung;
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/* RX */
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#ifdef CONFIG_E1000_NAPI
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bool (*clean_rx) (struct e1000_adapter *adapter,
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struct e1000_rx_ring *rx_ring,
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int *work_done, int work_to_do);
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#else
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bool (*clean_rx) (struct e1000_adapter *adapter,
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struct e1000_rx_ring *rx_ring,
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nanosecs_abs_t *time_stamp);
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#endif
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void (*alloc_rx_buf) (struct e1000_adapter *adapter,
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struct e1000_rx_ring *rx_ring,
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int cleaned_count);
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struct e1000_rx_ring *rx_ring; /* One per active queue */
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#ifdef CONFIG_E1000_NAPI
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//struct napi_struct napi;
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#endif
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int num_tx_queues;
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int num_rx_queues;
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u64 hw_csum_err;
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u64 hw_csum_good;
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u64 rx_hdr_split;
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u32 alloc_rx_buff_failed;
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u32 rx_int_delay;
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u32 rx_abs_int_delay;
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bool rx_csum;
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unsigned int rx_ps_pages;
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u32 gorc;
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u64 gorc_old;
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u16 rx_ps_bsize0;
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u32 max_frame_size;
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u32 min_frame_size;
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/* OS defined structs */
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struct rtnet_device *netdev;
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struct pci_dev *pdev;
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struct net_device_stats net_stats;
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rtdm_irq_t irq_handle;
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char data_received;
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/* structs defined in e1000_hw.h */
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struct e1000_hw hw;
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struct e1000_hw_stats stats;
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struct e1000_phy_info phy_info;
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struct e1000_phy_stats phy_stats;
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#ifdef SIOCGMIIPHY
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/* Snapshot of PHY registers */
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struct e1000_phy_regs phy_regs;
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#endif
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#ifdef ETHTOOL_TEST
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u32 test_icr;
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struct e1000_tx_ring test_tx_ring;
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struct e1000_rx_ring test_rx_ring;
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#endif
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int msg_enable;
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/* to not mess up cache alignment, always add to the bottom */
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unsigned long state;
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u32 eeprom_wol;
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u32 *config_space;
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/* hardware capability, feature, and workaround flags */
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unsigned int flags;
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struct work_struct reset_task;
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struct delayed_work watchdog_task;
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struct delayed_work fifo_stall_task;
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struct delayed_work phy_info_task;
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};
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#define E1000_FLAG_HAS_SMBUS (1 << 0)
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#define E1000_FLAG_HAS_MANC2H (1 << 1)
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#define E1000_FLAG_HAS_MSI (1 << 2)
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#define E1000_FLAG_MSI_ENABLED (1 << 3)
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#define E1000_FLAG_HAS_INTR_MODERATION (1 << 4)
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#define E1000_FLAG_RX_NEEDS_RESTART (1 << 5)
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#define E1000_FLAG_BAD_TX_CARRIER_STATS_FD (1 << 6)
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#define E1000_FLAG_INT_ASSERT_AUTO_MASK (1 << 7)
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#define E1000_FLAG_QUAD_PORT_A (1 << 8)
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#define E1000_FLAG_SMART_POWER_DOWN (1 << 9)
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#ifdef NETIF_F_TSO
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#define E1000_FLAG_HAS_TSO (1 << 10)
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#ifdef NETIF_F_TSO6
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#define E1000_FLAG_HAS_TSO6 (1 << 11)
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#endif
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#define E1000_FLAG_TSO_FORCE (1 << 12)
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#endif
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#define E1000_FLAG_RX_RESTART_NOW (1 << 13)
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enum e1000_state_t {
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__E1000_TESTING,
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__E1000_RESETTING,
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__E1000_DOWN
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};
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extern char e1000_driver_name[];
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extern const char e1000_driver_version[];
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extern void e1000_power_up_phy(struct e1000_hw *hw);
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extern void e1000_set_ethtool_ops(struct net_device *netdev);
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extern void e1000_check_options(struct e1000_adapter *adapter);
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extern int e1000_up(struct e1000_adapter *adapter);
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extern void e1000_down(struct e1000_adapter *adapter);
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extern void e1000_reinit_locked(struct e1000_adapter *adapter);
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extern void e1000_reset(struct e1000_adapter *adapter);
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extern int e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx);
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extern int e1000_setup_all_rx_resources(struct e1000_adapter *adapter);
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extern int e1000_setup_all_tx_resources(struct e1000_adapter *adapter);
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extern void e1000_free_all_rx_resources(struct e1000_adapter *adapter);
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extern void e1000_free_all_tx_resources(struct e1000_adapter *adapter);
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extern void e1000_update_stats(struct e1000_adapter *adapter);
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#ifdef ETHTOOL_OPS_COMPAT
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extern int ethtool_ioctl(struct ifreq *ifr);
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#endif
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#endif /* _E1000_H_ */
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