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freebsd-skq/sys/dev/em/if_em.h
pdeuskar e526872768 This is the first commit of the Intel gigabit driver for 
PRO/1000 cards.

Submitted by:Prafulla Deuskar
Reviewed by: Paul Saab
MFC after:1 week
2001-12-02 07:37:17 +00:00

411 lines
15 KiB
C
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/**************************************************************************
**************************************************************************
Copyright (c) 2001 Intel Corporation
All rights reserved.
Redistribution and use in source and binary forms of the Software, with or
without modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code of the Software may retain the above
copyright notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form of the Software may 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 shall 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 INTEL OR ITS 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 _EM_H_DEFINED_
#define _EM_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/kernel.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_media.h>
#include <net/bpf.h>
#include <net/ethernet.h>
#include <net/if_arp.h>
#include <sys/sockio.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>
#include <pci/pcivar.h>
#include <pci/pcireg.h>
#include <stddef.h>
#include "opt_bdg.h"
#include <dev/em/if_em_fxhw.h>
#include <dev/em/if_em_phy.h>
/* Tunables */
#define MAX_TXD 256
#define MAX_RXD 256
#define TX_CLEANUP_THRESHOLD MAX_TXD / 8
#define TIDV 128
#define RIDV 28
#define DO_AUTO_NEG 1
#define WAIT_FOR_AUTO_NEG_DEFAULT 1
#define AUTONEG_ADV_DEFAULT (ADVERTISE_10_HALF | ADVERTISE_10_FULL | \
ADVERTISE_100_HALF | ADVERTISE_100_FULL | \
ADVERTISE_1000_FULL)
#define EM_ENABLE_RXCSUM_OFFLOAD 1
#define EM_REPORT_TX_EARLY 2
#define EM_CHECKSUM_FEATURES (CSUM_TCP | CSUM_UDP)
#define EM_MAX_INTR 3
#define EM_TX_TIMEOUT 5 /* set to 5 seconds */
#define EM_JUMBO_ENABLE_DEFAULT 0
#define EM_VENDOR_ID 0x8086
#define EM_MMBA 0x0010 /* Mem base address */
#define EM_ROUNDUP(size, unit) (((size) + (unit) - 1) & ~((unit) - 1))
#define EM_JUMBO_PBA 0x00000028
#define EM_DEFAULT_PBA 0x00000030
#define IOCTL_CMD_TYPE u_long
#define ETH_LENGTH_OF_ADDRESS ETHER_ADDR_LEN
#define PCI_COMMAND_REGISTER PCIR_COMMAND
#define MAX_NUM_MULTICAST_ADDRESSES 128
#define PCI_ANY_ID (~0U)
#define ETHER_ALIGN 2
#define CMD_MEM_WRT_INVALIDATE 0x0010
/* Defines for printing debug information */
#define DEBUG_INIT 0
#define DEBUG_IOCTL 0
#define DEBUG_HW 0
#define DEBUG_TXRX 0
#define DEBUG_RXCSUM 0
#define DEBUG_TXCSUM 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)
#define TXRX_DEBUGOUT(S) if (DEBUG_TXRX) printf(S "\n")
#define TXRX_DEBUGOUT1(S, A) if (DEBUG_TXRX) printf(S "\n", A)
#define TXRX_DEBUGOUT2(S, A, B) if (DEBUG_TXRX) printf(S "\n", A, B)
#define RXCSUM_DEBUGOUT(S) if (DEBUG_RXCSUM) printf(S "\n")
#define RXCSUM_DEBUGOUT1(S, A) if (DEBUG_RXCSUM) printf(S "\n", A)
#define RXCSUM_DEBUGOUT2(S, A, B) if (DEBUG_RXCSUM) printf(S "\n", A, B)
#define TXCSUM_DEBUGOUT(S) if (DEBUG_TXCSUM) printf(S "\n")
#define TXCSUM_DEBUGOUT1(S, A) if (DEBUG_TXCSUM) printf(S "\n", A)
#define TXCSUM_DEBUGOUT2(S, A, B) if (DEBUG_TXCSUM) printf(S "\n", A, B)
/* Device ID defines */
#define PCI_DEVICE_ID_82542 0x1000
#define PCI_DEVICE_ID_82543GC_FIBER 0x1001
#define PCI_DEVICE_ID_82543GC_COPPER 0x1004
#define PCI_DEVICE_ID_82544EI_FIBER 0x1009
#define PCI_DEVICE_ID_82544EI_COPPER 0x1008
#define PCI_DEVICE_ID_82544GC_STRG 0x100C
#define PCI_DEVICE_ID_82544GC_COPPER 0x100D
/* Supported RX Buffer Sizes */
#define EM_RXBUFFER_2048 2048
#define EM_RXBUFFER_4096 4096
#define EM_RXBUFFER_8192 8192
#define EM_RXBUFFER_16384 16384
/* Jumbo Frame */
#define EM_JSLOTS 384
#define EM_JUMBO_FRAMELEN 9018
#define EM_JUMBO_MTU (EM_JUMBO_FRAMELEN - ETHER_HDR_LEN - ETHER_CRC_LEN)
#define EM_JRAWLEN (EM_JUMBO_FRAMELEN + ETHER_ALIGN + sizeof(u_int64_t))
#define EM_JLEN (EM_JRAWLEN + (sizeof(u_int64_t) - \
(EM_JRAWLEN % sizeof(u_int64_t))))
#define EM_JPAGESZ PAGE_SIZE
#define EM_RESID (EM_JPAGESZ - (EM_JLEN * EM_JSLOTS) % EM_JPAGESZ)
#define EM_JMEM ((EM_JLEN * EM_JSLOTS) + EM_RESID)
struct em_jslot {
caddr_t em_buf;
int em_inuse;
};
struct em_jpool_entry {
int slot;
SLIST_ENTRY(em_jpool_entry) em_jpool_entries;
};
/* ******************************************************************************
* vendor_info_array
*
* This array contains the list of Subvendor/Subdevice IDs on which the driver
* should load.
*
* ******************************************************************************/
typedef struct _em_vendor_info_t
{
unsigned int vendor_id;
unsigned int device_id;
unsigned int subvendor_id;
unsigned int subdevice_id;
unsigned int index;
} em_vendor_info_t;
struct em_tx_buffer {
STAILQ_ENTRY(em_tx_buffer) em_tx_entry;
struct mbuf *Packet;
u_int32_t NumTxDescriptorsUsed;
};
/* ******************************************************************************
* This structure stores information about the 2k aligned receive buffer
* into which the E1000 DMA's frames.
* ******************************************************************************/
struct em_rx_buffer {
STAILQ_ENTRY(em_rx_buffer) em_rx_entry;
struct mbuf *Packet;
u_int32_t LowPhysicalAddress;
u_int32_t HighPhysicalAddress;
};
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;
/* FreeBSD operating-system-specific structures */
bus_space_tag_t bus_space_tag;
bus_space_handle_t bus_space_handle;
struct device *dev;
struct resource *res_memory;
struct resource *res_interrupt;
void *int_handler_tag;
struct ifmedia media;
struct callout_handle timer_handle;
u_int8_t unit;
/* PCI Info */
u_int16_t VendorId;
u_int16_t DeviceId;
u_int8_t RevId;
u_int16_t SubVendorId;
u_int16_t SubSystemId;
u_int16_t PciCommandWord;
/* PCI Bus Info */
E1000_BUS_TYPE_ENUM BusType;
E1000_BUS_SPEED_ENUM BusSpeed;
E1000_BUS_WIDTH_ENUM BusWidth;
/* Info about the board itself */
u_int8_t MacType;
u_int8_t MediaType;
u_int32_t PhyId;
u_int32_t PhyAddress;
uint8_t CurrentNetAddress[ETH_LENGTH_OF_ADDRESS];
uint8_t PermNetAddress[ETH_LENGTH_OF_ADDRESS];
u_int32_t PartNumber;
u_int8_t AdapterStopped;
u_int8_t DmaFairness;
u_int8_t ReportTxEarly;
u_int32_t MulticastFilterType;
u_int32_t NumberOfMcAddresses;
u_int8_t MulticastAddressList[MAX_NUM_MULTICAST_ADDRESSES][ETH_LENGTH_OF_ADDRESS];
u_int8_t GetLinkStatus;
u_int8_t LinkStatusChanged;
u_int8_t LinkIsActive;
u_int32_t AutoNegFailed;
u_int8_t AutoNeg;
u_int16_t AutoNegAdvertised;
u_int8_t WaitAutoNegComplete;
u_int8_t ForcedSpeedDuplex;
u_int16_t LineSpeed;
u_int16_t FullDuplex;
u_int8_t TbiCompatibilityEnable;
u_int8_t TbiCompatibilityOn;
u_int32_t TxcwRegValue;
u_int32_t OriginalFlowControl;
u_int32_t FlowControl;
u_int16_t FlowControlHighWatermark;
u_int16_t FlowControlLowWatermark;
u_int16_t FlowControlPauseTime;
u_int8_t FlowControlSendXon;
u_int32_t MaxFrameSize;
u_int32_t TxIntDelay;
u_int32_t RxIntDelay;
u_int8_t RxChecksum;
XSUM_CONTEXT_T ActiveChecksumContext;
u_int8_t MdiX;
u_int8_t DisablePolarityCorrection;
/* Transmit definitions */
struct _E1000_TRANSMIT_DESCRIPTOR *FirstTxDescriptor;
struct _E1000_TRANSMIT_DESCRIPTOR *LastTxDescriptor;
struct _E1000_TRANSMIT_DESCRIPTOR *NextAvailTxDescriptor;
struct _E1000_TRANSMIT_DESCRIPTOR *OldestUsedTxDescriptor;
struct _E1000_TRANSMIT_DESCRIPTOR *TxDescBase;
volatile u_int16_t NumTxDescriptorsAvail;
u_int16_t NumTxDescriptors;
u_int32_t TxdCmd;
struct em_tx_buffer *tx_buffer_area;
STAILQ_HEAD(__em_tx_buffer_free, em_tx_buffer) FreeSwTxPacketList;
STAILQ_HEAD(__em_tx_buffer_used, em_tx_buffer) UsedSwTxPacketList;
/* Receive definitions */
struct _E1000_RECEIVE_DESCRIPTOR *FirstRxDescriptor;
struct _E1000_RECEIVE_DESCRIPTOR *LastRxDescriptor;
struct _E1000_RECEIVE_DESCRIPTOR *NextRxDescriptorToCheck;
struct _E1000_RECEIVE_DESCRIPTOR *RxDescBase;
u_int16_t NumRxDescriptors;
u_int16_t NumRxDescriptorsEmpty;
u_int16_t NextRxDescriptorToFill;
u_int32_t RxBufferLen;
struct em_rx_buffer *rx_buffer_area;
STAILQ_HEAD(__em_rx_buffer, em_rx_buffer) RxSwPacketList;
/* Jumbo frame */
u_int8_t JumboEnable;
struct em_jslot em_jslots[EM_JSLOTS];
void *em_jumbo_buf;
SLIST_HEAD(__em_jfreehead, em_jpool_entry) em_jfree_listhead;
SLIST_HEAD(__em_jinusehead, em_jpool_entry) em_jinuse_listhead;
/* Misc stats maintained by the driver */
unsigned long DroppedPackets;
unsigned long NoJumboBufAvail;
unsigned long JumboMbufFailed;
unsigned long JumboClusterFailed;
unsigned long StdMbufFailed;
unsigned long StdClusterFailed;
#ifdef DBG_STATS
unsigned long NoTxDescAvail;
unsigned long NoPacketsAvail;
unsigned long CleanTxInterrupts;
unsigned long NoTxBufferAvail1;
unsigned long NoTxBufferAvail2;
#endif
/* Statistics registers present in the 82542 */
unsigned long Crcerrs;
unsigned long Symerrs;
unsigned long Mpc;
unsigned long Scc;
unsigned long Ecol;
unsigned long Mcc;
unsigned long Latecol;
unsigned long Colc;
unsigned long Dc;
unsigned long Sec;
unsigned long Rlec;
unsigned long Xonrxc;
unsigned long Xontxc;
unsigned long Xoffrxc;
unsigned long Xofftxc;
unsigned long Fcruc;
unsigned long Prc64;
unsigned long Prc127;
unsigned long Prc255;
unsigned long Prc511;
unsigned long Prc1023;
unsigned long Prc1522;
unsigned long Gprc;
unsigned long Bprc;
unsigned long Mprc;
unsigned long Gptc;
unsigned long Gorcl;
unsigned long Gorch;
unsigned long Gotcl;
unsigned long Gotch;
unsigned long Rnbc;
unsigned long Ruc;
unsigned long Rfc;
unsigned long Roc;
unsigned long Rjc;
unsigned long Torcl;
unsigned long Torch;
unsigned long Totcl;
unsigned long Totch;
unsigned long Tpr;
unsigned long Tpt;
unsigned long Ptc64;
unsigned long Ptc127;
unsigned long Ptc255;
unsigned long Ptc511;
unsigned long Ptc1023;
unsigned long Ptc1522;
unsigned long Mptc;
unsigned long Bptc;
/* Statistics registers added in the 82543 */
unsigned long Algnerrc;
unsigned long Rxerrc;
unsigned long Tuc;
unsigned long Tncrs;
unsigned long Cexterr;
unsigned long Rutec;
unsigned long Tsctc;
unsigned long Tsctfc;
};
extern void em_adjust_tbi_accepted_stats(struct adapter * Adapter,
u32 FrameLength, u8 * MacAddress);
#endif /* _EM_H_DEFINED_ */
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