FreeBSD-5.3/sys/dev/ixgb/if_ixgb.h
/**************************************************************************
Copyright (c) 2001-2004, Intel Corporation
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/*$FreeBSD: src/sys/dev/ixgb/if_ixgb.h,v 1.2 2004/06/03 06:10:00 phk Exp $*/
#ifndef _IXGB_H_DEFINED_
#define _IXGB_H_DEFINED_
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/mbuf.h>
#include <sys/protosw.h>
#include <sys/socket.h>
#include <sys/malloc.h>
#include <sys/module.h>
#include <sys/kernel.h>
#include <sys/sockio.h>
#include <net/if.h>
#include <net/if_arp.h>
#include <net/ethernet.h>
#include <net/if_dl.h>
#include <net/if_media.h>
#include <net/bpf.h>
#include <net/if_types.h>
#include <net/if_vlan_var.h>
#include <netinet/in_systm.h>
#include <netinet/in.h>
#include <netinet/ip.h>
#include <netinet/tcp.h>
#include <netinet/udp.h>
#include <sys/bus.h>
#include <machine/bus.h>
#include <sys/rman.h>
#include <machine/resource.h>
#include <vm/vm.h>
#include <vm/pmap.h>
#include <machine/clock.h>
#if __FreeBSD_version >= 502000
#include <dev/pci/pcivar.h>
#include <dev/pci/pcireg.h>
#else
#include <pci/pcivar.h>
#include <pci/pcireg.h>
#endif
#include <sys/proc.h>
#include <sys/sysctl.h>
#include <sys/endian.h>
#include "opt_bdg.h"
#include <dev/ixgb/ixgb_hw.h>
#include <dev/ixgb/ixgb_ee.h>
#include <dev/ixgb/ixgb_ids.h>
/* Tunables */
/*
* TxDescriptors Valid Range: 64-4096 Default Value: 256 This value is the
* number of transmit descriptors allocated by the driver. Increasing this
* value allows the driver to queue more transmits. Each descriptor is 16
* bytes.
*/
#define IXGB_MAX_TXD 256
/*
* RxDescriptors Valid Range: 64-4096 Default Value: 1024 This value is the
* number of receive descriptors allocated by the driver. Increasing this
* value allows the driver to buffer more incoming packets. Each descriptor
* is 16 bytes. A receive buffer is also allocated for each descriptor. The
* maximum MTU size is 16110.
*
*/
#define IXGB_MAX_RXD 1024
/*
* TxIntDelay Valid Range: 0-65535 (0=off) Default Value: 32 This value
* delays the generation of transmit interrupts in units of 1.024
* microseconds. Transmit interrupt reduction can improve CPU efficiency if
* properly tuned for specific network traffic. If the system is reporting
* dropped transmits, this value may be set too high causing the driver to
* run out of available transmit descriptors.
*/
#define TIDV 32
/*
* RxIntDelay Valid Range: 0-65535 (0=off) Default Value: 72 This value
* delays the generation of receive interrupts in units of 1.024
* microseconds. Receive interrupt reduction can improve CPU efficiency if
* properly tuned for specific network traffic. Increasing this value adds
* extra latency to frame reception and can end up decreasing the throughput
* of TCP traffic. If the system is reporting dropped receives, this value
* may be set too high, causing the driver to run out of available receive
* descriptors.
*
*/
#define RDTR 72
/*
* This parameter controls the maximum no of times the driver will loop in
* the isr. Minimum Value = 1
*/
#define IXGB_MAX_INTR 3
/*
* Inform the stack about transmit checksum offload capabilities.
*/
#define IXGB_CHECKSUM_FEATURES (CSUM_TCP | CSUM_UDP)
/*
* This parameter controls the duration of transmit watchdog timer.
*/
#define IXGB_TX_TIMEOUT 5 /* set to 5 seconds */
/*
* This parameter controls when the driver calls the routine to reclaim
* transmit descriptors.
*/
#define IXGB_TX_CLEANUP_THRESHOLD IXGB_MAX_TXD / 8
/*
* Flow Control Types.
* 1. ixgb_fc_none - Flow Control Disabled
* 2. ixgb_fc_rx_pause - Flow Control Receive Only
* 3. ixgb_fc_tx_pause - Flow Control Transmit Only
* 4. ixgb_fc_full - Flow Control Enabled
*/
#define FLOW_CONTROL_NONE ixgb_fc_none
#define FLOW_CONTROL_RX_PAUSE ixgb_fc_rx_pause
#define FLOW_CONTROL_TX_PAUSE ixgb_fc_tx_pause
#define FLOW_CONTROL_FULL ixgb_fc_full
/*
* Set the flow control type. Assign one of the above flow control types to be enabled.
* Default Value: FLOW_CONTROL_FULL
*/
#define FLOW_CONTROL FLOW_CONTROL_FULL
/*
* Receive Flow control low threshold (when we send a resume frame) (FCRTL)
* Valid Range: 64 - 262,136 (0x40 - 0x3FFF8, 8 byte granularity) must be
* less than high threshold by at least 8 bytes Default Value: 163,840
* (0x28000)
*/
#define FCRTL 0x28000
/*
* Receive Flow control high threshold (when we send a pause frame) (FCRTH)
* Valid Range: 1,536 - 262,136 (0x600 - 0x3FFF8, 8 byte granularity) Default
* Value: 196,608 (0x30000)
*/
#define FCRTH 0x30000
/*
* Flow control request timeout (how long to pause the link partner's tx)
* (PAP 15:0) Valid Range: 1 - 65535 Default Value: 256 (0x100)
*/
#define FCPAUSE 0x100
/* Tunables -- End */
#define IXGB_VENDOR_ID 0x8086
#define IXGB_MMBA 0x0010 /* Mem base address */
#define IXGB_ROUNDUP(size, unit) (((size) + (unit) - 1) & ~((unit) - 1))
#define IOCTL_CMD_TYPE u_long
#define MAX_NUM_MULTICAST_ADDRESSES 128
#define PCI_ANY_ID (~0U)
#define ETHER_ALIGN 2
/* Defines for printing debug information */
#define DEBUG_INIT 0
#define DEBUG_IOCTL 0
#define DEBUG_HW 0
#define _SV_ 0
#define INIT_DEBUGOUT(S) if (DEBUG_INIT) printf(S "\n")
#define INIT_DEBUGOUT1(S, A) if (DEBUG_INIT) printf(S "\n", A)
#define INIT_DEBUGOUT2(S, A, B) if (DEBUG_INIT) printf(S "\n", A, B)
#define IOCTL_DEBUGOUT(S) if (DEBUG_IOCTL) printf(S "\n")
#define IOCTL_DEBUGOUT1(S, A) if (DEBUG_IOCTL) printf(S "\n", A)
#define IOCTL_DEBUGOUT2(S, A, B) if (DEBUG_IOCTL) printf(S "\n", A, B)
#define HW_DEBUGOUT(S) if (DEBUG_HW) printf(S "\n")
#define HW_DEBUGOUT1(S, A) if (DEBUG_HW) printf(S "\n", A)
#define HW_DEBUGOUT2(S, A, B) if (DEBUG_HW) printf(S "\n", A, B)
/* Supported RX Buffer Sizes */
#define IXGB_RXBUFFER_2048 2048
#define IXGB_RXBUFFER_4096 4096
#define IXGB_RXBUFFER_8192 8192
#define IXGB_RXBUFFER_16384 16384
#define IXGB_MAX_SCATTER 100
#ifdef __alpha__
#undef vtophys
#define vtophys(va) alpha_XXX_dmamap((vm_offset_t)(va))
#endif /* __alpha__ */
/*
* ******************************************************************************
* vendor_info_array
*
* This array contains the list of Subvendor/Subdevice IDs on which the driver
* should load.
*
*****************************************************************************
*/
typedef struct _ixgb_vendor_info_t {
unsigned int vendor_id;
unsigned int device_id;
unsigned int subvendor_id;
unsigned int subdevice_id;
unsigned int index;
} ixgb_vendor_info_t;
struct ixgb_buffer {
struct mbuf *m_head;
bus_dmamap_t map; /* bus_dma map for packet */
};
struct ixgb_q {
bus_dmamap_t map; /* bus_dma map for packet */
int nsegs; /* # of segments/descriptors */
bus_dma_segment_t segs[IXGB_MAX_SCATTER];
};
/*
* Bus dma allocation structure used by ixgb_dma_malloc and ixgb_dma_free.
*/
struct ixgb_dma_alloc {
bus_addr_t dma_paddr;
caddr_t dma_vaddr;
bus_dma_tag_t dma_tag;
bus_dmamap_t dma_map;
bus_dma_segment_t dma_seg;
bus_size_t dma_size;
int dma_nseg;
};
typedef enum _XSUM_CONTEXT_T {
OFFLOAD_NONE,
OFFLOAD_TCP_IP,
OFFLOAD_UDP_IP
} XSUM_CONTEXT_T;
/* Our adapter structure */
struct adapter {
struct arpcom interface_data;
struct adapter *next;
struct adapter *prev;
struct ixgb_hw hw;
/* FreeBSD operating-system-specific structures */
struct ixgb_osdep osdep;
struct device *dev;
struct resource *res_memory;
struct resource *res_ioport;
struct resource *res_interrupt;
void *int_handler_tag;
struct ifmedia media;
struct callout_handle timer_handle;
int io_rid;
u_int8_t unit;
/* Info about the board itself */
u_int32_t part_num;
u_int8_t link_active;
u_int16_t link_speed;
u_int16_t link_duplex;
u_int32_t tx_int_delay;
u_int32_t tx_abs_int_delay;
u_int32_t rx_int_delay;
u_int32_t rx_abs_int_delay;
int raidc;
XSUM_CONTEXT_T active_checksum_context;
/*
* Transmit definitions
*
* We have an array of num_tx_desc descriptors (handled by the
* controller) paired with an array of tx_buffers (at
* tx_buffer_area). The index of the next available descriptor is
* next_avail_tx_desc. The number of remaining tx_desc is
* num_tx_desc_avail.
*/
struct ixgb_dma_alloc txdma; /* bus_dma glue for tx desc */
struct ixgb_tx_desc *tx_desc_base;
u_int32_t next_avail_tx_desc;
u_int32_t oldest_used_tx_desc;
volatile u_int16_t num_tx_desc_avail;
u_int16_t num_tx_desc;
u_int32_t txd_cmd;
struct ixgb_buffer *tx_buffer_area;
bus_dma_tag_t txtag; /* dma tag for tx */
/*
* Receive definitions
*
* we have an array of num_rx_desc rx_desc (handled by the controller),
* and paired with an array of rx_buffers (at rx_buffer_area). The
* next pair to check on receive is at offset next_rx_desc_to_check
*/
struct ixgb_dma_alloc rxdma; /* bus_dma glue for rx desc */
struct ixgb_rx_desc *rx_desc_base;
u_int32_t next_rx_desc_to_check;
u_int16_t num_rx_desc;
u_int32_t rx_buffer_len;
struct ixgb_buffer *rx_buffer_area;
bus_dma_tag_t rxtag; /* dma tag for Rx */
u_int32_t next_rx_desc_to_use;
/* Jumbo frame */
struct mbuf *fmp;
struct mbuf *lmp;
struct sysctl_ctx_list sysctl_ctx;
struct sysctl_oid *sysctl_tree;
/* Misc stats maintained by the driver */
unsigned long dropped_pkts;
unsigned long mbuf_alloc_failed;
unsigned long mbuf_cluster_failed;
unsigned long no_tx_desc_avail1;
unsigned long no_tx_desc_avail2;
unsigned long no_tx_map_avail;
unsigned long no_tx_dma_setup;
boolean_t in_detach;
/* Board specific private data */
#ifdef _SV_
struct ixgb_sv_stats {
uint64_t icr_rxdmt0;
uint64_t icr_rxo;
uint64_t icr_rxt0;
uint64_t icr_TXDW;
} sv_stats;
unsigned long no_pkts_avail;
unsigned long clean_tx_interrupts;
#endif
struct ixgb_hw_stats stats;
};
#endif /* _IXGB_H_DEFINED_ */