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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
-
- *******************************************************************************/
-
- FILE_LICENCE ( GPL2_ONLY );
-
- /* Linux PRO/1000 Ethernet Driver main header file */
-
- #ifndef _E1000_H_
- #define _E1000_H_
-
- #include <stdint.h>
- #include <stdlib.h>
- #include <stdio.h>
- #include <string.h>
- #include <gpxe/io.h>
- #include <errno.h>
- #include <byteswap.h>
- #include <gpxe/pci.h>
- #include <gpxe/malloc.h>
- #include <gpxe/if_ether.h>
- #include <gpxe/ethernet.h>
- #include <gpxe/iobuf.h>
- #include <gpxe/netdevice.h>
-
- #define BAR_0 0
- #define BAR_1 1
- #define BAR_5 5
-
- struct e1000_adapter;
-
- #include "e1000_hw.h"
-
- /* 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 0x0680 /* 858 usec */
-
- /* this is the size past which hardware will drop packets when setting LPE=0 */
- #define MAXIMUM_ETHERNET_VLAN_SIZE 1522
-
- /* 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_ICH8_APME 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
-
- /* 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;
- unsigned long time_stamp;
- uint16_t length;
- uint16_t next_to_watch;
- };
-
- struct e1000_tx_ring {
- /* pointer to the descriptor ring memory */
- void *desc;
- /* 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;
-
- uint16_t tdh;
- uint16_t tdt;
- boolean_t last_tx_tso;
- };
-
- struct e1000_rx_ring {
- /* pointer to the descriptor ring memory */
- void *desc;
- /* 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;
- /* arrays of page information for packet split */
- struct e1000_ps_page *ps_page;
- struct e1000_ps_page_dma *ps_page_dma;
-
- /* cpu for rx queue */
- int cpu;
-
- uint16_t rdh;
- uint16_t 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_PS(R, i) \
- (&(((union e1000_rx_desc_packet_split *)((R).desc))[i]))
- #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 {
- struct vlan_group *vlgrp;
- uint16_t mng_vlan_id;
- uint32_t bd_number;
- uint32_t rx_buffer_len;
- uint32_t wol;
- uint32_t smartspeed;
- uint32_t en_mng_pt;
- uint16_t link_speed;
- uint16_t link_duplex;
-
- unsigned int total_tx_bytes;
- unsigned int total_tx_packets;
- unsigned int total_rx_bytes;
- unsigned int total_rx_packets;
- /* Interrupt Throttle Rate */
- uint32_t itr;
- uint32_t itr_setting;
- uint16_t tx_itr;
- uint16_t rx_itr;
-
- uint8_t fc_autoneg;
-
- unsigned long led_status;
-
- /* TX */
- struct e1000_tx_ring *tx_ring; /* One per active queue */
- unsigned int restart_queue;
- unsigned long tx_queue_len;
- uint32_t txd_cmd;
- uint32_t tx_int_delay;
- uint32_t tx_abs_int_delay;
- uint32_t gotcl;
- uint64_t gotcl_old;
- uint64_t tpt_old;
- uint64_t colc_old;
- uint32_t tx_timeout_count;
- uint32_t tx_fifo_head;
- uint32_t tx_head_addr;
- uint32_t tx_fifo_size;
- uint8_t tx_timeout_factor;
- boolean_t pcix_82544;
- boolean_t detect_tx_hung;
-
- /* RX */
- boolean_t (*clean_rx) (struct e1000_adapter *adapter,
- struct e1000_rx_ring *rx_ring);
- 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 */
- int num_tx_queues;
- int num_rx_queues;
-
- uint64_t hw_csum_err;
- uint64_t hw_csum_good;
- uint64_t rx_hdr_split;
- uint32_t alloc_rx_buff_failed;
- uint32_t rx_int_delay;
- uint32_t rx_abs_int_delay;
- boolean_t rx_csum;
- unsigned int rx_ps_pages;
- uint32_t gorcl;
- uint64_t gorcl_old;
- uint16_t rx_ps_bsize0;
-
-
- /* OS defined structs */
- struct net_device *netdev;
- struct pci_device *pdev;
- struct net_device_stats net_stats;
-
- /* 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;
-
- uint32_t test_icr;
- struct e1000_tx_ring test_tx_ring;
- struct e1000_rx_ring test_rx_ring;
-
- int msg_enable;
- boolean_t have_msi;
-
- /* to not mess up cache alignment, always add to the bottom */
- boolean_t tso_force;
- boolean_t smart_power_down; /* phy smart power down */
- boolean_t quad_port_a;
- unsigned long flags;
- uint32_t eeprom_wol;
-
- #define NUM_TX_DESC 8
- #define NUM_RX_DESC 8
-
- struct io_buffer *tx_iobuf[NUM_TX_DESC];
- struct io_buffer *rx_iobuf[NUM_RX_DESC];
-
- struct e1000_tx_desc *tx_base;
- struct e1000_rx_desc *rx_base;
-
- uint32_t tx_ring_size;
- uint32_t rx_ring_size;
-
- uint32_t tx_head;
- uint32_t tx_tail;
- uint32_t tx_fill_ctr;
-
- uint32_t rx_curr;
-
- uint32_t ioaddr;
- uint32_t irqno;
-
- };
-
- enum e1000_state_t {
- __E1000_TESTING,
- __E1000_RESETTING,
- __E1000_DOWN
- };
-
- #define E1000_MNG2HOST_PORT_623 (1 << 5)
- #define E1000_MNG2HOST_PORT_664 (1 << 6)
-
- #define E1000_ERT_2048 0x100
-
- #define IORESOURCE_IO 0x00000100
- #define IORESOURCE_MEM 0x00000200
- #define IORESOURCE_PREFETCH 0x00001000
-
- #endif /* _E1000_H_ */
-
- /*
- * Local variables:
- * c-basic-offset: 8
- * c-indent-level: 8
- * tab-width: 8
- * End:
- */
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