410 lines
15 KiB
C
410 lines
15 KiB
C
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/**************************************************************************
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**************************************************************************
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Copyright (c) 2001 Intel Corporation
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All rights reserved.
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Redistribution and use in source and binary forms of the Software, with or
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without modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code of the Software may retain the above
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copyright notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form of the Software may reproduce the above
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copyright notice, this list of conditions and the following disclaimer
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in the documentation and/or other materials provided with the
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distribution.
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3. Neither the name of the Intel Corporation nor the names of its
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contributors shall be used to endorse or promote products derived from
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this Software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE INTEL OR ITS CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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SUCH DAMAGE.
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$FreeBSD$
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***************************************************************************
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***************************************************************************/
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#ifndef _EM_H_DEFINED_
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#define _EM_H_DEFINED_
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/mbuf.h>
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#include <sys/protosw.h>
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#include <sys/socket.h>
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#include <sys/malloc.h>
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#include <sys/kernel.h>
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#include <net/if.h>
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#include <net/if_dl.h>
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#include <net/if_media.h>
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#include <net/bpf.h>
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#include <net/ethernet.h>
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#include <net/if_arp.h>
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#include <sys/sockio.h>
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#include <netinet/in_systm.h>
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#include <netinet/in.h>
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#include <netinet/ip.h>
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#include <netinet/tcp.h>
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#include <netinet/udp.h>
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#include <sys/bus.h>
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#include <machine/bus.h>
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#include <sys/rman.h>
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#include <machine/resource.h>
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#include <vm/vm.h>
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#include <vm/pmap.h>
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#include <machine/clock.h>
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#include <pci/pcivar.h>
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#include <pci/pcireg.h>
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#include "opt_bdg.h"
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#include <dev/em/if_em_fxhw.h>
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#include <dev/em/if_em_phy.h>
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/* Tunables */
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#define MAX_TXD 256
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#define MAX_RXD 256
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#define TX_CLEANUP_THRESHOLD MAX_TXD / 8
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#define TIDV 128
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#define RIDV 28
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#define DO_AUTO_NEG 1
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#define WAIT_FOR_AUTO_NEG_DEFAULT 1
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#define AUTONEG_ADV_DEFAULT (ADVERTISE_10_HALF | ADVERTISE_10_FULL | \
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ADVERTISE_100_HALF | ADVERTISE_100_FULL | \
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ADVERTISE_1000_FULL)
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#define EM_ENABLE_RXCSUM_OFFLOAD 1
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#define EM_REPORT_TX_EARLY 2
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#define EM_CHECKSUM_FEATURES (CSUM_TCP | CSUM_UDP)
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#define EM_MAX_INTR 3
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#define EM_TX_TIMEOUT 5 /* set to 5 seconds */
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#define EM_JUMBO_ENABLE_DEFAULT 0
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#define EM_VENDOR_ID 0x8086
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#define EM_MMBA 0x0010 /* Mem base address */
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#define EM_ROUNDUP(size, unit) (((size) + (unit) - 1) & ~((unit) - 1))
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#define EM_JUMBO_PBA 0x00000028
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#define EM_DEFAULT_PBA 0x00000030
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#define IOCTL_CMD_TYPE u_long
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#define ETH_LENGTH_OF_ADDRESS ETHER_ADDR_LEN
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#define PCI_COMMAND_REGISTER PCIR_COMMAND
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#define MAX_NUM_MULTICAST_ADDRESSES 128
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#define PCI_ANY_ID (~0U)
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#define ETHER_ALIGN 2
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#define CMD_MEM_WRT_INVALIDATE 0x0010
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/* Defines for printing debug information */
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#define DEBUG_INIT 0
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#define DEBUG_IOCTL 0
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#define DEBUG_HW 0
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#define DEBUG_TXRX 0
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#define DEBUG_RXCSUM 0
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#define DEBUG_TXCSUM 0
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#define INIT_DEBUGOUT(S) if (DEBUG_INIT) printf(S "\n")
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#define INIT_DEBUGOUT1(S, A) if (DEBUG_INIT) printf(S "\n", A)
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#define INIT_DEBUGOUT2(S, A, B) if (DEBUG_INIT) printf(S "\n", A, B)
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#define IOCTL_DEBUGOUT(S) if (DEBUG_IOCTL) printf(S "\n")
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#define IOCTL_DEBUGOUT1(S, A) if (DEBUG_IOCTL) printf(S "\n", A)
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#define IOCTL_DEBUGOUT2(S, A, B) if (DEBUG_IOCTL) printf(S "\n", A, B)
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#define HW_DEBUGOUT(S) if (DEBUG_HW) printf(S "\n")
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#define HW_DEBUGOUT1(S, A) if (DEBUG_HW) printf(S "\n", A)
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#define HW_DEBUGOUT2(S, A, B) if (DEBUG_HW) printf(S "\n", A, B)
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#define TXRX_DEBUGOUT(S) if (DEBUG_TXRX) printf(S "\n")
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#define TXRX_DEBUGOUT1(S, A) if (DEBUG_TXRX) printf(S "\n", A)
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#define TXRX_DEBUGOUT2(S, A, B) if (DEBUG_TXRX) printf(S "\n", A, B)
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#define RXCSUM_DEBUGOUT(S) if (DEBUG_RXCSUM) printf(S "\n")
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#define RXCSUM_DEBUGOUT1(S, A) if (DEBUG_RXCSUM) printf(S "\n", A)
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#define RXCSUM_DEBUGOUT2(S, A, B) if (DEBUG_RXCSUM) printf(S "\n", A, B)
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#define TXCSUM_DEBUGOUT(S) if (DEBUG_TXCSUM) printf(S "\n")
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#define TXCSUM_DEBUGOUT1(S, A) if (DEBUG_TXCSUM) printf(S "\n", A)
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#define TXCSUM_DEBUGOUT2(S, A, B) if (DEBUG_TXCSUM) printf(S "\n", A, B)
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/* Device ID defines */
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#define PCI_DEVICE_ID_82542 0x1000
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#define PCI_DEVICE_ID_82543GC_FIBER 0x1001
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#define PCI_DEVICE_ID_82543GC_COPPER 0x1004
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#define PCI_DEVICE_ID_82544EI_FIBER 0x1009
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#define PCI_DEVICE_ID_82544EI_COPPER 0x1008
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#define PCI_DEVICE_ID_82544GC_STRG 0x100C
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#define PCI_DEVICE_ID_82544GC_COPPER 0x100D
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/* Supported RX Buffer Sizes */
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#define EM_RXBUFFER_2048 2048
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#define EM_RXBUFFER_4096 4096
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#define EM_RXBUFFER_8192 8192
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#define EM_RXBUFFER_16384 16384
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/* Jumbo Frame */
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#define EM_JSLOTS 384
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#define EM_JUMBO_FRAMELEN 9018
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#define EM_JUMBO_MTU (EM_JUMBO_FRAMELEN - ETHER_HDR_LEN - ETHER_CRC_LEN)
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#define EM_JRAWLEN (EM_JUMBO_FRAMELEN + ETHER_ALIGN + sizeof(u_int64_t))
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#define EM_JLEN (EM_JRAWLEN + (sizeof(u_int64_t) - \
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(EM_JRAWLEN % sizeof(u_int64_t))))
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#define EM_JPAGESZ PAGE_SIZE
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#define EM_RESID (EM_JPAGESZ - (EM_JLEN * EM_JSLOTS) % EM_JPAGESZ)
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#define EM_JMEM ((EM_JLEN * EM_JSLOTS) + EM_RESID)
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struct em_jslot {
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caddr_t em_buf;
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int em_inuse;
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};
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struct em_jpool_entry {
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int slot;
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SLIST_ENTRY(em_jpool_entry) em_jpool_entries;
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};
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/* ******************************************************************************
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* vendor_info_array
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*
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* This array contains the list of Subvendor/Subdevice IDs on which the driver
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* should load.
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*
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* ******************************************************************************/
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typedef struct _em_vendor_info_t
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{
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unsigned int vendor_id;
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unsigned int device_id;
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unsigned int subvendor_id;
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unsigned int subdevice_id;
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unsigned int index;
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} em_vendor_info_t;
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struct em_tx_buffer {
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STAILQ_ENTRY(em_tx_buffer) em_tx_entry;
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struct mbuf *Packet;
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u_int32_t NumTxDescriptorsUsed;
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};
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/* ******************************************************************************
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* This structure stores information about the 2k aligned receive buffer
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* into which the E1000 DMA's frames.
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* ******************************************************************************/
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struct em_rx_buffer {
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STAILQ_ENTRY(em_rx_buffer) em_rx_entry;
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struct mbuf *Packet;
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u_int32_t LowPhysicalAddress;
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u_int32_t HighPhysicalAddress;
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};
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typedef enum _XSUM_CONTEXT_T {
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OFFLOAD_NONE,
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OFFLOAD_TCP_IP,
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OFFLOAD_UDP_IP
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} XSUM_CONTEXT_T;
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/* Our adapter structure */
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struct adapter {
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struct arpcom interface_data;
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struct adapter *next;
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struct adapter *prev;
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/* FreeBSD operating-system-specific structures */
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bus_space_tag_t bus_space_tag;
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bus_space_handle_t bus_space_handle;
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struct device *dev;
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struct resource *res_memory;
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struct resource *res_interrupt;
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void *int_handler_tag;
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struct ifmedia media;
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struct callout_handle timer_handle;
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u_int8_t unit;
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/* PCI Info */
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u_int16_t VendorId;
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u_int16_t DeviceId;
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u_int8_t RevId;
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u_int16_t SubVendorId;
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u_int16_t SubSystemId;
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u_int16_t PciCommandWord;
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/* PCI Bus Info */
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E1000_BUS_TYPE_ENUM BusType;
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E1000_BUS_SPEED_ENUM BusSpeed;
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E1000_BUS_WIDTH_ENUM BusWidth;
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/* Info about the board itself */
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u_int8_t MacType;
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u_int8_t MediaType;
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u_int32_t PhyId;
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u_int32_t PhyAddress;
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uint8_t CurrentNetAddress[ETH_LENGTH_OF_ADDRESS];
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uint8_t PermNetAddress[ETH_LENGTH_OF_ADDRESS];
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u_int32_t PartNumber;
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u_int8_t AdapterStopped;
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u_int8_t DmaFairness;
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u_int8_t ReportTxEarly;
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u_int32_t MulticastFilterType;
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u_int32_t NumberOfMcAddresses;
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u_int8_t MulticastAddressList[MAX_NUM_MULTICAST_ADDRESSES][ETH_LENGTH_OF_ADDRESS];
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u_int8_t GetLinkStatus;
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u_int8_t LinkStatusChanged;
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u_int8_t LinkIsActive;
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u_int32_t AutoNegFailed;
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u_int8_t AutoNeg;
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u_int16_t AutoNegAdvertised;
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u_int8_t WaitAutoNegComplete;
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u_int8_t ForcedSpeedDuplex;
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u_int16_t LineSpeed;
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u_int16_t FullDuplex;
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u_int8_t TbiCompatibilityEnable;
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u_int8_t TbiCompatibilityOn;
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u_int32_t TxcwRegValue;
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u_int32_t OriginalFlowControl;
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u_int32_t FlowControl;
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u_int16_t FlowControlHighWatermark;
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u_int16_t FlowControlLowWatermark;
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u_int16_t FlowControlPauseTime;
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u_int8_t FlowControlSendXon;
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u_int32_t MaxFrameSize;
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u_int32_t TxIntDelay;
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u_int32_t RxIntDelay;
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u_int8_t RxChecksum;
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XSUM_CONTEXT_T ActiveChecksumContext;
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u_int8_t MdiX;
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u_int8_t DisablePolarityCorrection;
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/* Transmit definitions */
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struct _E1000_TRANSMIT_DESCRIPTOR *FirstTxDescriptor;
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struct _E1000_TRANSMIT_DESCRIPTOR *LastTxDescriptor;
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struct _E1000_TRANSMIT_DESCRIPTOR *NextAvailTxDescriptor;
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struct _E1000_TRANSMIT_DESCRIPTOR *OldestUsedTxDescriptor;
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struct _E1000_TRANSMIT_DESCRIPTOR *TxDescBase;
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volatile u_int16_t NumTxDescriptorsAvail;
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u_int16_t NumTxDescriptors;
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u_int32_t TxdCmd;
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struct em_tx_buffer *tx_buffer_area;
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STAILQ_HEAD(__em_tx_buffer_free, em_tx_buffer) FreeSwTxPacketList;
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STAILQ_HEAD(__em_tx_buffer_used, em_tx_buffer) UsedSwTxPacketList;
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/* Receive definitions */
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struct _E1000_RECEIVE_DESCRIPTOR *FirstRxDescriptor;
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struct _E1000_RECEIVE_DESCRIPTOR *LastRxDescriptor;
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struct _E1000_RECEIVE_DESCRIPTOR *NextRxDescriptorToCheck;
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struct _E1000_RECEIVE_DESCRIPTOR *RxDescBase;
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u_int16_t NumRxDescriptors;
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u_int16_t NumRxDescriptorsEmpty;
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u_int16_t NextRxDescriptorToFill;
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u_int32_t RxBufferLen;
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struct em_rx_buffer *rx_buffer_area;
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STAILQ_HEAD(__em_rx_buffer, em_rx_buffer) RxSwPacketList;
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/* Jumbo frame */
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u_int8_t JumboEnable;
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struct em_jslot em_jslots[EM_JSLOTS];
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void *em_jumbo_buf;
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SLIST_HEAD(__em_jfreehead, em_jpool_entry) em_jfree_listhead;
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SLIST_HEAD(__em_jinusehead, em_jpool_entry) em_jinuse_listhead;
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/* Misc stats maintained by the driver */
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unsigned long DroppedPackets;
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unsigned long NoJumboBufAvail;
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unsigned long JumboMbufFailed;
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unsigned long JumboClusterFailed;
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unsigned long StdMbufFailed;
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unsigned long StdClusterFailed;
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#ifdef DBG_STATS
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unsigned long NoTxDescAvail;
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unsigned long NoPacketsAvail;
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unsigned long CleanTxInterrupts;
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unsigned long NoTxBufferAvail1;
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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_ */
|