diff options
Diffstat (limited to 'contrib/syslinux-4.02/gpxe/src/drivers/net/e1000/e1000.h')
| -rw-r--r-- | contrib/syslinux-4.02/gpxe/src/drivers/net/e1000/e1000.h | 306 |
1 files changed, 306 insertions, 0 deletions
diff --git a/contrib/syslinux-4.02/gpxe/src/drivers/net/e1000/e1000.h b/contrib/syslinux-4.02/gpxe/src/drivers/net/e1000/e1000.h new file mode 100644 index 0000000..ea51db6 --- /dev/null +++ b/contrib/syslinux-4.02/gpxe/src/drivers/net/e1000/e1000.h @@ -0,0 +1,306 @@ +/******************************************************************************* + + 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: + */ |