382 lines
12 KiB
C
382 lines
12 KiB
C
/*******************************************************************************
|
|
|
|
Copyright (c) 2001-2004, Intel Corporation
|
|
All rights reserved.
|
|
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions are met:
|
|
|
|
1. Redistributions of source code must retain the above copyright notice,
|
|
this list of conditions and the following disclaimer.
|
|
|
|
2. Redistributions in binary form must reproduce the above copyright
|
|
notice, this list of conditions and the following disclaimer in the
|
|
documentation and/or other materials provided with the distribution.
|
|
|
|
3. Neither the name of the Intel Corporation nor the names of its
|
|
contributors may be used to endorse or promote products derived from
|
|
this software without specific prior written permission.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
|
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
***************************************************************************/
|
|
/*$FreeBSD$*/
|
|
|
|
#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 <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
|
|
|
|
/*
|
|
* ******************************************************************************
|
|
* 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 */
|
|
};
|
|
|
|
/*
|
|
* 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 timer;
|
|
int io_rid;
|
|
u_int8_t unit;
|
|
struct mtx mtx;
|
|
|
|
/* 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;
|
|
};
|
|
|
|
#define IXGB_LOCK_INIT(_sc, _name) \
|
|
mtx_init(&(_sc)->mtx, _name, MTX_NETWORK_LOCK, MTX_DEF)
|
|
#define IXGB_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->mtx)
|
|
#define IXGB_LOCK(_sc) mtx_lock(&(_sc)->mtx)
|
|
#define IXGB_UNLOCK(_sc) mtx_unlock(&(_sc)->mtx)
|
|
#define IXGB_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->mtx, MA_OWNED)
|
|
|
|
#endif /* _IXGB_H_DEFINED_ */
|