14c87aefeSPatrick Mooney /* 24c87aefeSPatrick Mooney * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 34c87aefeSPatrick Mooney * 44c87aefeSPatrick Mooney * Copyright (c) 2016 Alexander Motin <mav@FreeBSD.org> 54c87aefeSPatrick Mooney * Copyright (c) 2015 Peter Grehan <grehan@freebsd.org> 64c87aefeSPatrick Mooney * Copyright (c) 2013 Jeremiah Lott, Avere Systems 74c87aefeSPatrick Mooney * All rights reserved. 84c87aefeSPatrick Mooney * 94c87aefeSPatrick Mooney * Redistribution and use in source and binary forms, with or without 104c87aefeSPatrick Mooney * modification, are permitted provided that the following conditions 114c87aefeSPatrick Mooney * are met: 124c87aefeSPatrick Mooney * 1. Redistributions of source code must retain the above copyright 134c87aefeSPatrick Mooney * notice, this list of conditions and the following disclaimer 144c87aefeSPatrick Mooney * in this position and unchanged. 154c87aefeSPatrick Mooney * 2. Redistributions in binary form must reproduce the above copyright 164c87aefeSPatrick Mooney * notice, this list of conditions and the following disclaimer in the 174c87aefeSPatrick Mooney * documentation and/or other materials provided with the distribution. 184c87aefeSPatrick Mooney * 194c87aefeSPatrick Mooney * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 204c87aefeSPatrick Mooney * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 214c87aefeSPatrick Mooney * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 224c87aefeSPatrick Mooney * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 234c87aefeSPatrick Mooney * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 244c87aefeSPatrick Mooney * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 254c87aefeSPatrick Mooney * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 264c87aefeSPatrick Mooney * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 274c87aefeSPatrick Mooney * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 284c87aefeSPatrick Mooney * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 294c87aefeSPatrick Mooney * SUCH DAMAGE. 304c87aefeSPatrick Mooney */ 314c87aefeSPatrick Mooney 324c87aefeSPatrick Mooney #include <sys/cdefs.h> 334c87aefeSPatrick Mooney __FBSDID("$FreeBSD$"); 344c87aefeSPatrick Mooney 354c87aefeSPatrick Mooney #include <sys/types.h> 364c87aefeSPatrick Mooney #ifndef WITHOUT_CAPSICUM 374c87aefeSPatrick Mooney #include <sys/capsicum.h> 384c87aefeSPatrick Mooney #endif 394c87aefeSPatrick Mooney #include <sys/limits.h> 404c87aefeSPatrick Mooney #include <sys/ioctl.h> 414c87aefeSPatrick Mooney #include <sys/uio.h> 424c87aefeSPatrick Mooney #include <net/ethernet.h> 434c87aefeSPatrick Mooney #include <netinet/in.h> 444c87aefeSPatrick Mooney #include <netinet/tcp.h> 454c87aefeSPatrick Mooney #ifndef __FreeBSD__ 464c87aefeSPatrick Mooney #include <sys/filio.h> 474c87aefeSPatrick Mooney #endif 484c87aefeSPatrick Mooney 494c87aefeSPatrick Mooney #ifndef WITHOUT_CAPSICUM 504c87aefeSPatrick Mooney #include <capsicum_helpers.h> 514c87aefeSPatrick Mooney #endif 524c87aefeSPatrick Mooney #include <err.h> 534c87aefeSPatrick Mooney #include <errno.h> 544c87aefeSPatrick Mooney #include <fcntl.h> 554c87aefeSPatrick Mooney #include <md5.h> 564c87aefeSPatrick Mooney #include <stdio.h> 574c87aefeSPatrick Mooney #include <stdlib.h> 584c87aefeSPatrick Mooney #include <string.h> 594c87aefeSPatrick Mooney #include <sysexits.h> 604c87aefeSPatrick Mooney #include <unistd.h> 614c87aefeSPatrick Mooney #include <pthread.h> 624c87aefeSPatrick Mooney #include <pthread_np.h> 634c87aefeSPatrick Mooney 644c87aefeSPatrick Mooney #include "e1000_regs.h" 654c87aefeSPatrick Mooney #include "e1000_defines.h" 664c87aefeSPatrick Mooney #include "mii.h" 674c87aefeSPatrick Mooney 684c87aefeSPatrick Mooney #include "bhyverun.h" 694c87aefeSPatrick Mooney #include "pci_emul.h" 704c87aefeSPatrick Mooney #include "mevent.h" 71*84659b24SMichael Zeller #include "net_utils.h" 724c87aefeSPatrick Mooney 734c87aefeSPatrick Mooney /* Hardware/register definitions XXX: move some to common code. */ 744c87aefeSPatrick Mooney #define E82545_VENDOR_ID_INTEL 0x8086 754c87aefeSPatrick Mooney #define E82545_DEV_ID_82545EM_COPPER 0x100F 764c87aefeSPatrick Mooney #define E82545_SUBDEV_ID 0x1008 774c87aefeSPatrick Mooney 784c87aefeSPatrick Mooney #define E82545_REVISION_4 4 794c87aefeSPatrick Mooney 804c87aefeSPatrick Mooney #define E82545_MDIC_DATA_MASK 0x0000FFFF 814c87aefeSPatrick Mooney #define E82545_MDIC_OP_MASK 0x0c000000 824c87aefeSPatrick Mooney #define E82545_MDIC_IE 0x20000000 834c87aefeSPatrick Mooney 844c87aefeSPatrick Mooney #define E82545_EECD_FWE_DIS 0x00000010 /* Flash writes disabled */ 854c87aefeSPatrick Mooney #define E82545_EECD_FWE_EN 0x00000020 /* Flash writes enabled */ 864c87aefeSPatrick Mooney #define E82545_EECD_FWE_MASK 0x00000030 /* Flash writes mask */ 874c87aefeSPatrick Mooney 884c87aefeSPatrick Mooney #define E82545_BAR_REGISTER 0 894c87aefeSPatrick Mooney #define E82545_BAR_REGISTER_LEN (128*1024) 904c87aefeSPatrick Mooney #define E82545_BAR_FLASH 1 914c87aefeSPatrick Mooney #define E82545_BAR_FLASH_LEN (64*1024) 924c87aefeSPatrick Mooney #define E82545_BAR_IO 2 934c87aefeSPatrick Mooney #define E82545_BAR_IO_LEN 8 944c87aefeSPatrick Mooney 954c87aefeSPatrick Mooney #define E82545_IOADDR 0x00000000 964c87aefeSPatrick Mooney #define E82545_IODATA 0x00000004 974c87aefeSPatrick Mooney #define E82545_IO_REGISTER_MAX 0x0001FFFF 984c87aefeSPatrick Mooney #define E82545_IO_FLASH_BASE 0x00080000 994c87aefeSPatrick Mooney #define E82545_IO_FLASH_MAX 0x000FFFFF 1004c87aefeSPatrick Mooney 1014c87aefeSPatrick Mooney #define E82545_ARRAY_ENTRY(reg, offset) (reg + (offset<<2)) 1024c87aefeSPatrick Mooney #define E82545_RAR_MAX 15 1034c87aefeSPatrick Mooney #define E82545_MTA_MAX 127 1044c87aefeSPatrick Mooney #define E82545_VFTA_MAX 127 1054c87aefeSPatrick Mooney 1064c87aefeSPatrick Mooney /* Slightly modified from the driver versions, hardcoded for 3 opcode bits, 1074c87aefeSPatrick Mooney * followed by 6 address bits. 1084c87aefeSPatrick Mooney * TODO: make opcode bits and addr bits configurable? 1094c87aefeSPatrick Mooney * NVM Commands - Microwire */ 1104c87aefeSPatrick Mooney #define E82545_NVM_OPCODE_BITS 3 1114c87aefeSPatrick Mooney #define E82545_NVM_ADDR_BITS 6 1124c87aefeSPatrick Mooney #define E82545_NVM_DATA_BITS 16 1134c87aefeSPatrick Mooney #define E82545_NVM_OPADDR_BITS (E82545_NVM_OPCODE_BITS + E82545_NVM_ADDR_BITS) 1144c87aefeSPatrick Mooney #define E82545_NVM_ADDR_MASK ((1 << E82545_NVM_ADDR_BITS)-1) 1154c87aefeSPatrick Mooney #define E82545_NVM_OPCODE_MASK \ 1164c87aefeSPatrick Mooney (((1 << E82545_NVM_OPCODE_BITS) - 1) << E82545_NVM_ADDR_BITS) 1174c87aefeSPatrick Mooney #define E82545_NVM_OPCODE_READ (0x6 << E82545_NVM_ADDR_BITS) /* read */ 1184c87aefeSPatrick Mooney #define E82545_NVM_OPCODE_WRITE (0x5 << E82545_NVM_ADDR_BITS) /* write */ 1194c87aefeSPatrick Mooney #define E82545_NVM_OPCODE_ERASE (0x7 << E82545_NVM_ADDR_BITS) /* erase */ 1204c87aefeSPatrick Mooney #define E82545_NVM_OPCODE_EWEN (0x4 << E82545_NVM_ADDR_BITS) /* wr-enable */ 1214c87aefeSPatrick Mooney 1224c87aefeSPatrick Mooney #define E82545_NVM_EEPROM_SIZE 64 /* 64 * 16-bit values == 128K */ 1234c87aefeSPatrick Mooney 1244c87aefeSPatrick Mooney #define E1000_ICR_SRPD 0x00010000 1254c87aefeSPatrick Mooney 1264c87aefeSPatrick Mooney /* This is an arbitrary number. There is no hard limit on the chip. */ 1274c87aefeSPatrick Mooney #define I82545_MAX_TXSEGS 64 1284c87aefeSPatrick Mooney 1294c87aefeSPatrick Mooney /* Legacy receive descriptor */ 1304c87aefeSPatrick Mooney struct e1000_rx_desc { 1314c87aefeSPatrick Mooney uint64_t buffer_addr; /* Address of the descriptor's data buffer */ 1324c87aefeSPatrick Mooney uint16_t length; /* Length of data DMAed into data buffer */ 1334c87aefeSPatrick Mooney uint16_t csum; /* Packet checksum */ 1344c87aefeSPatrick Mooney uint8_t status; /* Descriptor status */ 1354c87aefeSPatrick Mooney uint8_t errors; /* Descriptor Errors */ 1364c87aefeSPatrick Mooney uint16_t special; 1374c87aefeSPatrick Mooney }; 1384c87aefeSPatrick Mooney 1394c87aefeSPatrick Mooney /* Transmit descriptor types */ 1404c87aefeSPatrick Mooney #define E1000_TXD_MASK (E1000_TXD_CMD_DEXT | 0x00F00000) 1414c87aefeSPatrick Mooney #define E1000_TXD_TYP_L (0) 1424c87aefeSPatrick Mooney #define E1000_TXD_TYP_C (E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_C) 1434c87aefeSPatrick Mooney #define E1000_TXD_TYP_D (E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D) 1444c87aefeSPatrick Mooney 1454c87aefeSPatrick Mooney /* Legacy transmit descriptor */ 1464c87aefeSPatrick Mooney struct e1000_tx_desc { 1474c87aefeSPatrick Mooney uint64_t buffer_addr; /* Address of the descriptor's data buffer */ 1484c87aefeSPatrick Mooney union { 1494c87aefeSPatrick Mooney uint32_t data; 1504c87aefeSPatrick Mooney struct { 1514c87aefeSPatrick Mooney uint16_t length; /* Data buffer length */ 1524c87aefeSPatrick Mooney uint8_t cso; /* Checksum offset */ 1534c87aefeSPatrick Mooney uint8_t cmd; /* Descriptor control */ 1544c87aefeSPatrick Mooney } flags; 1554c87aefeSPatrick Mooney } lower; 1564c87aefeSPatrick Mooney union { 1574c87aefeSPatrick Mooney uint32_t data; 1584c87aefeSPatrick Mooney struct { 1594c87aefeSPatrick Mooney uint8_t status; /* Descriptor status */ 1604c87aefeSPatrick Mooney uint8_t css; /* Checksum start */ 1614c87aefeSPatrick Mooney uint16_t special; 1624c87aefeSPatrick Mooney } fields; 1634c87aefeSPatrick Mooney } upper; 1644c87aefeSPatrick Mooney }; 1654c87aefeSPatrick Mooney 1664c87aefeSPatrick Mooney /* Context descriptor */ 1674c87aefeSPatrick Mooney struct e1000_context_desc { 1684c87aefeSPatrick Mooney union { 1694c87aefeSPatrick Mooney uint32_t ip_config; 1704c87aefeSPatrick Mooney struct { 1714c87aefeSPatrick Mooney uint8_t ipcss; /* IP checksum start */ 1724c87aefeSPatrick Mooney uint8_t ipcso; /* IP checksum offset */ 1734c87aefeSPatrick Mooney uint16_t ipcse; /* IP checksum end */ 1744c87aefeSPatrick Mooney } ip_fields; 1754c87aefeSPatrick Mooney } lower_setup; 1764c87aefeSPatrick Mooney union { 1774c87aefeSPatrick Mooney uint32_t tcp_config; 1784c87aefeSPatrick Mooney struct { 1794c87aefeSPatrick Mooney uint8_t tucss; /* TCP checksum start */ 1804c87aefeSPatrick Mooney uint8_t tucso; /* TCP checksum offset */ 1814c87aefeSPatrick Mooney uint16_t tucse; /* TCP checksum end */ 1824c87aefeSPatrick Mooney } tcp_fields; 1834c87aefeSPatrick Mooney } upper_setup; 1844c87aefeSPatrick Mooney uint32_t cmd_and_length; 1854c87aefeSPatrick Mooney union { 1864c87aefeSPatrick Mooney uint32_t data; 1874c87aefeSPatrick Mooney struct { 1884c87aefeSPatrick Mooney uint8_t status; /* Descriptor status */ 1894c87aefeSPatrick Mooney uint8_t hdr_len; /* Header length */ 1904c87aefeSPatrick Mooney uint16_t mss; /* Maximum segment size */ 1914c87aefeSPatrick Mooney } fields; 1924c87aefeSPatrick Mooney } tcp_seg_setup; 1934c87aefeSPatrick Mooney }; 1944c87aefeSPatrick Mooney 1954c87aefeSPatrick Mooney /* Data descriptor */ 1964c87aefeSPatrick Mooney struct e1000_data_desc { 1974c87aefeSPatrick Mooney uint64_t buffer_addr; /* Address of the descriptor's buffer address */ 1984c87aefeSPatrick Mooney union { 1994c87aefeSPatrick Mooney uint32_t data; 2004c87aefeSPatrick Mooney struct { 2014c87aefeSPatrick Mooney uint16_t length; /* Data buffer length */ 2024c87aefeSPatrick Mooney uint8_t typ_len_ext; 2034c87aefeSPatrick Mooney uint8_t cmd; 2044c87aefeSPatrick Mooney } flags; 2054c87aefeSPatrick Mooney } lower; 2064c87aefeSPatrick Mooney union { 2074c87aefeSPatrick Mooney uint32_t data; 2084c87aefeSPatrick Mooney struct { 2094c87aefeSPatrick Mooney uint8_t status; /* Descriptor status */ 2104c87aefeSPatrick Mooney uint8_t popts; /* Packet Options */ 2114c87aefeSPatrick Mooney uint16_t special; 2124c87aefeSPatrick Mooney } fields; 2134c87aefeSPatrick Mooney } upper; 2144c87aefeSPatrick Mooney }; 2154c87aefeSPatrick Mooney 2164c87aefeSPatrick Mooney union e1000_tx_udesc { 2174c87aefeSPatrick Mooney struct e1000_tx_desc td; 2184c87aefeSPatrick Mooney struct e1000_context_desc cd; 2194c87aefeSPatrick Mooney struct e1000_data_desc dd; 2204c87aefeSPatrick Mooney }; 2214c87aefeSPatrick Mooney 2224c87aefeSPatrick Mooney /* Tx checksum info for a packet. */ 2234c87aefeSPatrick Mooney struct ck_info { 2244c87aefeSPatrick Mooney int ck_valid; /* ck_info is valid */ 2254c87aefeSPatrick Mooney uint8_t ck_start; /* start byte of cksum calcuation */ 2264c87aefeSPatrick Mooney uint8_t ck_off; /* offset of cksum insertion */ 2274c87aefeSPatrick Mooney uint16_t ck_len; /* length of cksum calc: 0 is to packet-end */ 2284c87aefeSPatrick Mooney }; 2294c87aefeSPatrick Mooney 2304c87aefeSPatrick Mooney /* 2314c87aefeSPatrick Mooney * Debug printf 2324c87aefeSPatrick Mooney */ 2334c87aefeSPatrick Mooney static int e82545_debug = 0; 2344c87aefeSPatrick Mooney #define DPRINTF(msg,params...) if (e82545_debug) fprintf(stderr, "e82545: " msg, params) 2354c87aefeSPatrick Mooney #define WPRINTF(msg,params...) fprintf(stderr, "e82545: " msg, params) 2364c87aefeSPatrick Mooney 2374c87aefeSPatrick Mooney #define MIN(a,b) (((a)<(b))?(a):(b)) 2384c87aefeSPatrick Mooney #define MAX(a,b) (((a)>(b))?(a):(b)) 2394c87aefeSPatrick Mooney 2404c87aefeSPatrick Mooney /* s/w representation of the RAL/RAH regs */ 2414c87aefeSPatrick Mooney struct eth_uni { 2424c87aefeSPatrick Mooney int eu_valid; 2434c87aefeSPatrick Mooney int eu_addrsel; 2444c87aefeSPatrick Mooney struct ether_addr eu_eth; 2454c87aefeSPatrick Mooney }; 2464c87aefeSPatrick Mooney 2474c87aefeSPatrick Mooney 2484c87aefeSPatrick Mooney struct e82545_softc { 2494c87aefeSPatrick Mooney struct pci_devinst *esc_pi; 2504c87aefeSPatrick Mooney struct vmctx *esc_ctx; 2514c87aefeSPatrick Mooney struct mevent *esc_mevp; 2524c87aefeSPatrick Mooney struct mevent *esc_mevpitr; 2534c87aefeSPatrick Mooney pthread_mutex_t esc_mtx; 2544c87aefeSPatrick Mooney struct ether_addr esc_mac; 2554c87aefeSPatrick Mooney int esc_tapfd; 2564c87aefeSPatrick Mooney 2574c87aefeSPatrick Mooney /* General */ 2584c87aefeSPatrick Mooney uint32_t esc_CTRL; /* x0000 device ctl */ 2594c87aefeSPatrick Mooney uint32_t esc_FCAL; /* x0028 flow ctl addr lo */ 2604c87aefeSPatrick Mooney uint32_t esc_FCAH; /* x002C flow ctl addr hi */ 2614c87aefeSPatrick Mooney uint32_t esc_FCT; /* x0030 flow ctl type */ 2624c87aefeSPatrick Mooney uint32_t esc_VET; /* x0038 VLAN eth type */ 2634c87aefeSPatrick Mooney uint32_t esc_FCTTV; /* x0170 flow ctl tx timer */ 2644c87aefeSPatrick Mooney uint32_t esc_LEDCTL; /* x0E00 LED control */ 2654c87aefeSPatrick Mooney uint32_t esc_PBA; /* x1000 pkt buffer allocation */ 2664c87aefeSPatrick Mooney 2674c87aefeSPatrick Mooney /* Interrupt control */ 2684c87aefeSPatrick Mooney int esc_irq_asserted; 2694c87aefeSPatrick Mooney uint32_t esc_ICR; /* x00C0 cause read/clear */ 2704c87aefeSPatrick Mooney uint32_t esc_ITR; /* x00C4 intr throttling */ 2714c87aefeSPatrick Mooney uint32_t esc_ICS; /* x00C8 cause set */ 2724c87aefeSPatrick Mooney uint32_t esc_IMS; /* x00D0 mask set/read */ 2734c87aefeSPatrick Mooney uint32_t esc_IMC; /* x00D8 mask clear */ 2744c87aefeSPatrick Mooney 2754c87aefeSPatrick Mooney /* Transmit */ 2764c87aefeSPatrick Mooney union e1000_tx_udesc *esc_txdesc; 2774c87aefeSPatrick Mooney struct e1000_context_desc esc_txctx; 2784c87aefeSPatrick Mooney pthread_t esc_tx_tid; 2794c87aefeSPatrick Mooney pthread_cond_t esc_tx_cond; 2804c87aefeSPatrick Mooney int esc_tx_enabled; 2814c87aefeSPatrick Mooney int esc_tx_active; 2824c87aefeSPatrick Mooney uint32_t esc_TXCW; /* x0178 transmit config */ 2834c87aefeSPatrick Mooney uint32_t esc_TCTL; /* x0400 transmit ctl */ 2844c87aefeSPatrick Mooney uint32_t esc_TIPG; /* x0410 inter-packet gap */ 2854c87aefeSPatrick Mooney uint16_t esc_AIT; /* x0458 Adaptive Interframe Throttle */ 2864c87aefeSPatrick Mooney uint64_t esc_tdba; /* verified 64-bit desc table addr */ 2874c87aefeSPatrick Mooney uint32_t esc_TDBAL; /* x3800 desc table addr, low bits */ 2884c87aefeSPatrick Mooney uint32_t esc_TDBAH; /* x3804 desc table addr, hi 32-bits */ 2894c87aefeSPatrick Mooney uint32_t esc_TDLEN; /* x3808 # descriptors in bytes */ 2904c87aefeSPatrick Mooney uint16_t esc_TDH; /* x3810 desc table head idx */ 2914c87aefeSPatrick Mooney uint16_t esc_TDHr; /* internal read version of TDH */ 2924c87aefeSPatrick Mooney uint16_t esc_TDT; /* x3818 desc table tail idx */ 2934c87aefeSPatrick Mooney uint32_t esc_TIDV; /* x3820 intr delay */ 2944c87aefeSPatrick Mooney uint32_t esc_TXDCTL; /* x3828 desc control */ 2954c87aefeSPatrick Mooney uint32_t esc_TADV; /* x382C intr absolute delay */ 2964c87aefeSPatrick Mooney 2974c87aefeSPatrick Mooney /* L2 frame acceptance */ 2984c87aefeSPatrick Mooney struct eth_uni esc_uni[16]; /* 16 x unicast MAC addresses */ 2994c87aefeSPatrick Mooney uint32_t esc_fmcast[128]; /* Multicast filter bit-match */ 3004c87aefeSPatrick Mooney uint32_t esc_fvlan[128]; /* VLAN 4096-bit filter */ 3014c87aefeSPatrick Mooney 3024c87aefeSPatrick Mooney /* Receive */ 3034c87aefeSPatrick Mooney struct e1000_rx_desc *esc_rxdesc; 3044c87aefeSPatrick Mooney pthread_cond_t esc_rx_cond; 3054c87aefeSPatrick Mooney int esc_rx_enabled; 3064c87aefeSPatrick Mooney int esc_rx_active; 3074c87aefeSPatrick Mooney int esc_rx_loopback; 3084c87aefeSPatrick Mooney uint32_t esc_RCTL; /* x0100 receive ctl */ 3094c87aefeSPatrick Mooney uint32_t esc_FCRTL; /* x2160 flow cntl thresh, low */ 3104c87aefeSPatrick Mooney uint32_t esc_FCRTH; /* x2168 flow cntl thresh, hi */ 3114c87aefeSPatrick Mooney uint64_t esc_rdba; /* verified 64-bit desc table addr */ 3124c87aefeSPatrick Mooney uint32_t esc_RDBAL; /* x2800 desc table addr, low bits */ 3134c87aefeSPatrick Mooney uint32_t esc_RDBAH; /* x2804 desc table addr, hi 32-bits*/ 3144c87aefeSPatrick Mooney uint32_t esc_RDLEN; /* x2808 #descriptors */ 3154c87aefeSPatrick Mooney uint16_t esc_RDH; /* x2810 desc table head idx */ 3164c87aefeSPatrick Mooney uint16_t esc_RDT; /* x2818 desc table tail idx */ 3174c87aefeSPatrick Mooney uint32_t esc_RDTR; /* x2820 intr delay */ 3184c87aefeSPatrick Mooney uint32_t esc_RXDCTL; /* x2828 desc control */ 3194c87aefeSPatrick Mooney uint32_t esc_RADV; /* x282C intr absolute delay */ 3204c87aefeSPatrick Mooney uint32_t esc_RSRPD; /* x2C00 recv small packet detect */ 3214c87aefeSPatrick Mooney uint32_t esc_RXCSUM; /* x5000 receive cksum ctl */ 3224c87aefeSPatrick Mooney 3234c87aefeSPatrick Mooney /* IO Port register access */ 3244c87aefeSPatrick Mooney uint32_t io_addr; 3254c87aefeSPatrick Mooney 3264c87aefeSPatrick Mooney /* Shadow copy of MDIC */ 3274c87aefeSPatrick Mooney uint32_t mdi_control; 3284c87aefeSPatrick Mooney /* Shadow copy of EECD */ 3294c87aefeSPatrick Mooney uint32_t eeprom_control; 3304c87aefeSPatrick Mooney /* Latest NVM in/out */ 3314c87aefeSPatrick Mooney uint16_t nvm_data; 3324c87aefeSPatrick Mooney uint16_t nvm_opaddr; 3334c87aefeSPatrick Mooney /* stats */ 3344c87aefeSPatrick Mooney uint32_t missed_pkt_count; /* dropped for no room in rx queue */ 3354c87aefeSPatrick Mooney uint32_t pkt_rx_by_size[6]; 3364c87aefeSPatrick Mooney uint32_t pkt_tx_by_size[6]; 3374c87aefeSPatrick Mooney uint32_t good_pkt_rx_count; 3384c87aefeSPatrick Mooney uint32_t bcast_pkt_rx_count; 3394c87aefeSPatrick Mooney uint32_t mcast_pkt_rx_count; 3404c87aefeSPatrick Mooney uint32_t good_pkt_tx_count; 3414c87aefeSPatrick Mooney uint32_t bcast_pkt_tx_count; 3424c87aefeSPatrick Mooney uint32_t mcast_pkt_tx_count; 3434c87aefeSPatrick Mooney uint32_t oversize_rx_count; 3444c87aefeSPatrick Mooney uint32_t tso_tx_count; 3454c87aefeSPatrick Mooney uint64_t good_octets_rx; 3464c87aefeSPatrick Mooney uint64_t good_octets_tx; 3474c87aefeSPatrick Mooney uint64_t missed_octets; /* counts missed and oversized */ 3484c87aefeSPatrick Mooney 3494c87aefeSPatrick Mooney uint8_t nvm_bits:6; /* number of bits remaining in/out */ 3504c87aefeSPatrick Mooney uint8_t nvm_mode:2; 3514c87aefeSPatrick Mooney #define E82545_NVM_MODE_OPADDR 0x0 3524c87aefeSPatrick Mooney #define E82545_NVM_MODE_DATAIN 0x1 3534c87aefeSPatrick Mooney #define E82545_NVM_MODE_DATAOUT 0x2 3544c87aefeSPatrick Mooney /* EEPROM data */ 3554c87aefeSPatrick Mooney uint16_t eeprom_data[E82545_NVM_EEPROM_SIZE]; 3564c87aefeSPatrick Mooney }; 3574c87aefeSPatrick Mooney 3584c87aefeSPatrick Mooney static void e82545_reset(struct e82545_softc *sc, int dev); 3594c87aefeSPatrick Mooney static void e82545_rx_enable(struct e82545_softc *sc); 3604c87aefeSPatrick Mooney static void e82545_rx_disable(struct e82545_softc *sc); 3614c87aefeSPatrick Mooney #ifdef __FreeBSD__ 3624c87aefeSPatrick Mooney static void e82545_tap_callback(int fd, enum ev_type type, void *param); 3634c87aefeSPatrick Mooney #endif 3644c87aefeSPatrick Mooney static void e82545_tx_start(struct e82545_softc *sc); 3654c87aefeSPatrick Mooney static void e82545_tx_enable(struct e82545_softc *sc); 3664c87aefeSPatrick Mooney static void e82545_tx_disable(struct e82545_softc *sc); 3674c87aefeSPatrick Mooney 3684c87aefeSPatrick Mooney static inline int 3694c87aefeSPatrick Mooney e82545_size_stat_index(uint32_t size) 3704c87aefeSPatrick Mooney { 3714c87aefeSPatrick Mooney if (size <= 64) { 3724c87aefeSPatrick Mooney return 0; 3734c87aefeSPatrick Mooney } else if (size >= 1024) { 3744c87aefeSPatrick Mooney return 5; 3754c87aefeSPatrick Mooney } else { 3764c87aefeSPatrick Mooney /* should be 1-4 */ 3774c87aefeSPatrick Mooney return (ffs(size) - 6); 3784c87aefeSPatrick Mooney } 3794c87aefeSPatrick Mooney } 3804c87aefeSPatrick Mooney 3814c87aefeSPatrick Mooney static void 3824c87aefeSPatrick Mooney e82545_init_eeprom(struct e82545_softc *sc) 3834c87aefeSPatrick Mooney { 3844c87aefeSPatrick Mooney uint16_t checksum, i; 3854c87aefeSPatrick Mooney 3864c87aefeSPatrick Mooney /* mac addr */ 3874c87aefeSPatrick Mooney sc->eeprom_data[NVM_MAC_ADDR] = ((uint16_t)sc->esc_mac.octet[0]) | 3884c87aefeSPatrick Mooney (((uint16_t)sc->esc_mac.octet[1]) << 8); 3894c87aefeSPatrick Mooney sc->eeprom_data[NVM_MAC_ADDR+1] = ((uint16_t)sc->esc_mac.octet[2]) | 3904c87aefeSPatrick Mooney (((uint16_t)sc->esc_mac.octet[3]) << 8); 3914c87aefeSPatrick Mooney sc->eeprom_data[NVM_MAC_ADDR+2] = ((uint16_t)sc->esc_mac.octet[4]) | 3924c87aefeSPatrick Mooney (((uint16_t)sc->esc_mac.octet[5]) << 8); 3934c87aefeSPatrick Mooney 3944c87aefeSPatrick Mooney /* pci ids */ 3954c87aefeSPatrick Mooney sc->eeprom_data[NVM_SUB_DEV_ID] = E82545_SUBDEV_ID; 3964c87aefeSPatrick Mooney sc->eeprom_data[NVM_SUB_VEN_ID] = E82545_VENDOR_ID_INTEL; 3974c87aefeSPatrick Mooney sc->eeprom_data[NVM_DEV_ID] = E82545_DEV_ID_82545EM_COPPER; 3984c87aefeSPatrick Mooney sc->eeprom_data[NVM_VEN_ID] = E82545_VENDOR_ID_INTEL; 3994c87aefeSPatrick Mooney 4004c87aefeSPatrick Mooney /* fill in the checksum */ 4014c87aefeSPatrick Mooney checksum = 0; 4024c87aefeSPatrick Mooney for (i = 0; i < NVM_CHECKSUM_REG; i++) { 4034c87aefeSPatrick Mooney checksum += sc->eeprom_data[i]; 4044c87aefeSPatrick Mooney } 4054c87aefeSPatrick Mooney checksum = NVM_SUM - checksum; 4064c87aefeSPatrick Mooney sc->eeprom_data[NVM_CHECKSUM_REG] = checksum; 4074c87aefeSPatrick Mooney DPRINTF("eeprom checksum: 0x%x\r\n", checksum); 4084c87aefeSPatrick Mooney } 4094c87aefeSPatrick Mooney 4104c87aefeSPatrick Mooney static void 4114c87aefeSPatrick Mooney e82545_write_mdi(struct e82545_softc *sc, uint8_t reg_addr, 4124c87aefeSPatrick Mooney uint8_t phy_addr, uint32_t data) 4134c87aefeSPatrick Mooney { 4144c87aefeSPatrick Mooney DPRINTF("Write mdi reg:0x%x phy:0x%x data: 0x%x\r\n", reg_addr, phy_addr, data); 4154c87aefeSPatrick Mooney } 4164c87aefeSPatrick Mooney 4174c87aefeSPatrick Mooney static uint32_t 4184c87aefeSPatrick Mooney e82545_read_mdi(struct e82545_softc *sc, uint8_t reg_addr, 4194c87aefeSPatrick Mooney uint8_t phy_addr) 4204c87aefeSPatrick Mooney { 4214c87aefeSPatrick Mooney //DPRINTF("Read mdi reg:0x%x phy:0x%x\r\n", reg_addr, phy_addr); 4224c87aefeSPatrick Mooney switch (reg_addr) { 4234c87aefeSPatrick Mooney case PHY_STATUS: 4244c87aefeSPatrick Mooney return (MII_SR_LINK_STATUS | MII_SR_AUTONEG_CAPS | 4254c87aefeSPatrick Mooney MII_SR_AUTONEG_COMPLETE); 4264c87aefeSPatrick Mooney case PHY_AUTONEG_ADV: 4274c87aefeSPatrick Mooney return NWAY_AR_SELECTOR_FIELD; 4284c87aefeSPatrick Mooney case PHY_LP_ABILITY: 4294c87aefeSPatrick Mooney return 0; 4304c87aefeSPatrick Mooney case PHY_1000T_STATUS: 4314c87aefeSPatrick Mooney return (SR_1000T_LP_FD_CAPS | SR_1000T_REMOTE_RX_STATUS | 4324c87aefeSPatrick Mooney SR_1000T_LOCAL_RX_STATUS); 4334c87aefeSPatrick Mooney case PHY_ID1: 4344c87aefeSPatrick Mooney return (M88E1011_I_PHY_ID >> 16) & 0xFFFF; 4354c87aefeSPatrick Mooney case PHY_ID2: 4364c87aefeSPatrick Mooney return (M88E1011_I_PHY_ID | E82545_REVISION_4) & 0xFFFF; 4374c87aefeSPatrick Mooney default: 4384c87aefeSPatrick Mooney DPRINTF("Unknown mdi read reg:0x%x phy:0x%x\r\n", reg_addr, phy_addr); 4394c87aefeSPatrick Mooney return 0; 4404c87aefeSPatrick Mooney } 4414c87aefeSPatrick Mooney /* not reached */ 4424c87aefeSPatrick Mooney } 4434c87aefeSPatrick Mooney 4444c87aefeSPatrick Mooney static void 4454c87aefeSPatrick Mooney e82545_eecd_strobe(struct e82545_softc *sc) 4464c87aefeSPatrick Mooney { 4474c87aefeSPatrick Mooney /* Microwire state machine */ 4484c87aefeSPatrick Mooney /* 4494c87aefeSPatrick Mooney DPRINTF("eeprom state machine srtobe " 4504c87aefeSPatrick Mooney "0x%x 0x%x 0x%x 0x%x\r\n", 4514c87aefeSPatrick Mooney sc->nvm_mode, sc->nvm_bits, 4524c87aefeSPatrick Mooney sc->nvm_opaddr, sc->nvm_data);*/ 4534c87aefeSPatrick Mooney 4544c87aefeSPatrick Mooney if (sc->nvm_bits == 0) { 4554c87aefeSPatrick Mooney DPRINTF("eeprom state machine not expecting data! " 4564c87aefeSPatrick Mooney "0x%x 0x%x 0x%x 0x%x\r\n", 4574c87aefeSPatrick Mooney sc->nvm_mode, sc->nvm_bits, 4584c87aefeSPatrick Mooney sc->nvm_opaddr, sc->nvm_data); 4594c87aefeSPatrick Mooney return; 4604c87aefeSPatrick Mooney } 4614c87aefeSPatrick Mooney sc->nvm_bits--; 4624c87aefeSPatrick Mooney if (sc->nvm_mode == E82545_NVM_MODE_DATAOUT) { 4634c87aefeSPatrick Mooney /* shifting out */ 4644c87aefeSPatrick Mooney if (sc->nvm_data & 0x8000) { 4654c87aefeSPatrick Mooney sc->eeprom_control |= E1000_EECD_DO; 4664c87aefeSPatrick Mooney } else { 4674c87aefeSPatrick Mooney sc->eeprom_control &= ~E1000_EECD_DO; 4684c87aefeSPatrick Mooney } 4694c87aefeSPatrick Mooney sc->nvm_data <<= 1; 4704c87aefeSPatrick Mooney if (sc->nvm_bits == 0) { 4714c87aefeSPatrick Mooney /* read done, back to opcode mode. */ 4724c87aefeSPatrick Mooney sc->nvm_opaddr = 0; 4734c87aefeSPatrick Mooney sc->nvm_mode = E82545_NVM_MODE_OPADDR; 4744c87aefeSPatrick Mooney sc->nvm_bits = E82545_NVM_OPADDR_BITS; 4754c87aefeSPatrick Mooney } 4764c87aefeSPatrick Mooney } else if (sc->nvm_mode == E82545_NVM_MODE_DATAIN) { 4774c87aefeSPatrick Mooney /* shifting in */ 4784c87aefeSPatrick Mooney sc->nvm_data <<= 1; 4794c87aefeSPatrick Mooney if (sc->eeprom_control & E1000_EECD_DI) { 4804c87aefeSPatrick Mooney sc->nvm_data |= 1; 4814c87aefeSPatrick Mooney } 4824c87aefeSPatrick Mooney if (sc->nvm_bits == 0) { 4834c87aefeSPatrick Mooney /* eeprom write */ 4844c87aefeSPatrick Mooney uint16_t op = sc->nvm_opaddr & E82545_NVM_OPCODE_MASK; 4854c87aefeSPatrick Mooney uint16_t addr = sc->nvm_opaddr & E82545_NVM_ADDR_MASK; 4864c87aefeSPatrick Mooney if (op != E82545_NVM_OPCODE_WRITE) { 4874c87aefeSPatrick Mooney DPRINTF("Illegal eeprom write op 0x%x\r\n", 4884c87aefeSPatrick Mooney sc->nvm_opaddr); 4894c87aefeSPatrick Mooney } else if (addr >= E82545_NVM_EEPROM_SIZE) { 4904c87aefeSPatrick Mooney DPRINTF("Illegal eeprom write addr 0x%x\r\n", 4914c87aefeSPatrick Mooney sc->nvm_opaddr); 4924c87aefeSPatrick Mooney } else { 4934c87aefeSPatrick Mooney DPRINTF("eeprom write eeprom[0x%x] = 0x%x\r\n", 4944c87aefeSPatrick Mooney addr, sc->nvm_data); 4954c87aefeSPatrick Mooney sc->eeprom_data[addr] = sc->nvm_data; 4964c87aefeSPatrick Mooney } 4974c87aefeSPatrick Mooney /* back to opcode mode */ 4984c87aefeSPatrick Mooney sc->nvm_opaddr = 0; 4994c87aefeSPatrick Mooney sc->nvm_mode = E82545_NVM_MODE_OPADDR; 5004c87aefeSPatrick Mooney sc->nvm_bits = E82545_NVM_OPADDR_BITS; 5014c87aefeSPatrick Mooney } 5024c87aefeSPatrick Mooney } else if (sc->nvm_mode == E82545_NVM_MODE_OPADDR) { 5034c87aefeSPatrick Mooney sc->nvm_opaddr <<= 1; 5044c87aefeSPatrick Mooney if (sc->eeprom_control & E1000_EECD_DI) { 5054c87aefeSPatrick Mooney sc->nvm_opaddr |= 1; 5064c87aefeSPatrick Mooney } 5074c87aefeSPatrick Mooney if (sc->nvm_bits == 0) { 5084c87aefeSPatrick Mooney uint16_t op = sc->nvm_opaddr & E82545_NVM_OPCODE_MASK; 5094c87aefeSPatrick Mooney switch (op) { 5104c87aefeSPatrick Mooney case E82545_NVM_OPCODE_EWEN: 5114c87aefeSPatrick Mooney DPRINTF("eeprom write enable: 0x%x\r\n", 5124c87aefeSPatrick Mooney sc->nvm_opaddr); 5134c87aefeSPatrick Mooney /* back to opcode mode */ 5144c87aefeSPatrick Mooney sc->nvm_opaddr = 0; 5154c87aefeSPatrick Mooney sc->nvm_mode = E82545_NVM_MODE_OPADDR; 5164c87aefeSPatrick Mooney sc->nvm_bits = E82545_NVM_OPADDR_BITS; 5174c87aefeSPatrick Mooney break; 5184c87aefeSPatrick Mooney case E82545_NVM_OPCODE_READ: 5194c87aefeSPatrick Mooney { 5204c87aefeSPatrick Mooney uint16_t addr = sc->nvm_opaddr & 5214c87aefeSPatrick Mooney E82545_NVM_ADDR_MASK; 5224c87aefeSPatrick Mooney sc->nvm_mode = E82545_NVM_MODE_DATAOUT; 5234c87aefeSPatrick Mooney sc->nvm_bits = E82545_NVM_DATA_BITS; 5244c87aefeSPatrick Mooney if (addr < E82545_NVM_EEPROM_SIZE) { 5254c87aefeSPatrick Mooney sc->nvm_data = sc->eeprom_data[addr]; 5264c87aefeSPatrick Mooney DPRINTF("eeprom read: eeprom[0x%x] = 0x%x\r\n", 5274c87aefeSPatrick Mooney addr, sc->nvm_data); 5284c87aefeSPatrick Mooney } else { 5294c87aefeSPatrick Mooney DPRINTF("eeprom illegal read: 0x%x\r\n", 5304c87aefeSPatrick Mooney sc->nvm_opaddr); 5314c87aefeSPatrick Mooney sc->nvm_data = 0; 5324c87aefeSPatrick Mooney } 5334c87aefeSPatrick Mooney break; 5344c87aefeSPatrick Mooney } 5354c87aefeSPatrick Mooney case E82545_NVM_OPCODE_WRITE: 5364c87aefeSPatrick Mooney sc->nvm_mode = E82545_NVM_MODE_DATAIN; 5374c87aefeSPatrick Mooney sc->nvm_bits = E82545_NVM_DATA_BITS; 5384c87aefeSPatrick Mooney sc->nvm_data = 0; 5394c87aefeSPatrick Mooney break; 5404c87aefeSPatrick Mooney default: 5414c87aefeSPatrick Mooney DPRINTF("eeprom unknown op: 0x%x\r\r", 5424c87aefeSPatrick Mooney sc->nvm_opaddr); 5434c87aefeSPatrick Mooney /* back to opcode mode */ 5444c87aefeSPatrick Mooney sc->nvm_opaddr = 0; 5454c87aefeSPatrick Mooney sc->nvm_mode = E82545_NVM_MODE_OPADDR; 5464c87aefeSPatrick Mooney sc->nvm_bits = E82545_NVM_OPADDR_BITS; 5474c87aefeSPatrick Mooney } 5484c87aefeSPatrick Mooney } 5494c87aefeSPatrick Mooney } else { 5504c87aefeSPatrick Mooney DPRINTF("eeprom state machine wrong state! " 5514c87aefeSPatrick Mooney "0x%x 0x%x 0x%x 0x%x\r\n", 5524c87aefeSPatrick Mooney sc->nvm_mode, sc->nvm_bits, 5534c87aefeSPatrick Mooney sc->nvm_opaddr, sc->nvm_data); 5544c87aefeSPatrick Mooney } 5554c87aefeSPatrick Mooney } 5564c87aefeSPatrick Mooney 5574c87aefeSPatrick Mooney #ifdef __FreeBSD__ 5584c87aefeSPatrick Mooney static void 5594c87aefeSPatrick Mooney e82545_itr_callback(int fd, enum ev_type type, void *param) 5604c87aefeSPatrick Mooney { 5614c87aefeSPatrick Mooney uint32_t new; 5624c87aefeSPatrick Mooney struct e82545_softc *sc = param; 5634c87aefeSPatrick Mooney 5644c87aefeSPatrick Mooney pthread_mutex_lock(&sc->esc_mtx); 5654c87aefeSPatrick Mooney new = sc->esc_ICR & sc->esc_IMS; 5664c87aefeSPatrick Mooney if (new && !sc->esc_irq_asserted) { 5674c87aefeSPatrick Mooney DPRINTF("itr callback: lintr assert %x\r\n", new); 5684c87aefeSPatrick Mooney sc->esc_irq_asserted = 1; 5694c87aefeSPatrick Mooney pci_lintr_assert(sc->esc_pi); 5704c87aefeSPatrick Mooney } else { 5714c87aefeSPatrick Mooney mevent_delete(sc->esc_mevpitr); 5724c87aefeSPatrick Mooney sc->esc_mevpitr = NULL; 5734c87aefeSPatrick Mooney } 5744c87aefeSPatrick Mooney pthread_mutex_unlock(&sc->esc_mtx); 5754c87aefeSPatrick Mooney } 5764c87aefeSPatrick Mooney #endif 5774c87aefeSPatrick Mooney 5784c87aefeSPatrick Mooney static void 5794c87aefeSPatrick Mooney e82545_icr_assert(struct e82545_softc *sc, uint32_t bits) 5804c87aefeSPatrick Mooney { 5814c87aefeSPatrick Mooney uint32_t new; 5824c87aefeSPatrick Mooney 5834c87aefeSPatrick Mooney DPRINTF("icr assert: 0x%x\r\n", bits); 5844c87aefeSPatrick Mooney 5854c87aefeSPatrick Mooney /* 5864c87aefeSPatrick Mooney * An interrupt is only generated if bits are set that 5874c87aefeSPatrick Mooney * aren't already in the ICR, these bits are unmasked, 5884c87aefeSPatrick Mooney * and there isn't an interrupt already pending. 5894c87aefeSPatrick Mooney */ 5904c87aefeSPatrick Mooney new = bits & ~sc->esc_ICR & sc->esc_IMS; 5914c87aefeSPatrick Mooney sc->esc_ICR |= bits; 5924c87aefeSPatrick Mooney 5934c87aefeSPatrick Mooney if (new == 0) { 5944c87aefeSPatrick Mooney DPRINTF("icr assert: masked %x, ims %x\r\n", new, sc->esc_IMS); 5954c87aefeSPatrick Mooney } else if (sc->esc_mevpitr != NULL) { 5964c87aefeSPatrick Mooney DPRINTF("icr assert: throttled %x, ims %x\r\n", new, sc->esc_IMS); 5974c87aefeSPatrick Mooney } else if (!sc->esc_irq_asserted) { 5984c87aefeSPatrick Mooney DPRINTF("icr assert: lintr assert %x\r\n", new); 5994c87aefeSPatrick Mooney sc->esc_irq_asserted = 1; 6004c87aefeSPatrick Mooney pci_lintr_assert(sc->esc_pi); 6014c87aefeSPatrick Mooney if (sc->esc_ITR != 0) { 6024c87aefeSPatrick Mooney #ifdef __FreeBSD__ 6034c87aefeSPatrick Mooney sc->esc_mevpitr = mevent_add( 6044c87aefeSPatrick Mooney (sc->esc_ITR + 3905) / 3906, /* 256ns -> 1ms */ 6054c87aefeSPatrick Mooney EVF_TIMER, e82545_itr_callback, sc); 6064c87aefeSPatrick Mooney #endif 6074c87aefeSPatrick Mooney } 6084c87aefeSPatrick Mooney } 6094c87aefeSPatrick Mooney } 6104c87aefeSPatrick Mooney 6114c87aefeSPatrick Mooney static void 6124c87aefeSPatrick Mooney e82545_ims_change(struct e82545_softc *sc, uint32_t bits) 6134c87aefeSPatrick Mooney { 6144c87aefeSPatrick Mooney uint32_t new; 6154c87aefeSPatrick Mooney 6164c87aefeSPatrick Mooney /* 6174c87aefeSPatrick Mooney * Changing the mask may allow previously asserted 6184c87aefeSPatrick Mooney * but masked interrupt requests to generate an interrupt. 6194c87aefeSPatrick Mooney */ 6204c87aefeSPatrick Mooney new = bits & sc->esc_ICR & ~sc->esc_IMS; 6214c87aefeSPatrick Mooney sc->esc_IMS |= bits; 6224c87aefeSPatrick Mooney 6234c87aefeSPatrick Mooney if (new == 0) { 6244c87aefeSPatrick Mooney DPRINTF("ims change: masked %x, ims %x\r\n", new, sc->esc_IMS); 6254c87aefeSPatrick Mooney } else if (sc->esc_mevpitr != NULL) { 6264c87aefeSPatrick Mooney DPRINTF("ims change: throttled %x, ims %x\r\n", new, sc->esc_IMS); 6274c87aefeSPatrick Mooney } else if (!sc->esc_irq_asserted) { 6284c87aefeSPatrick Mooney DPRINTF("ims change: lintr assert %x\n\r", new); 6294c87aefeSPatrick Mooney sc->esc_irq_asserted = 1; 6304c87aefeSPatrick Mooney pci_lintr_assert(sc->esc_pi); 6314c87aefeSPatrick Mooney if (sc->esc_ITR != 0) { 6324c87aefeSPatrick Mooney #ifdef __FreeBSD__ 6334c87aefeSPatrick Mooney sc->esc_mevpitr = mevent_add( 6344c87aefeSPatrick Mooney (sc->esc_ITR + 3905) / 3906, /* 256ns -> 1ms */ 6354c87aefeSPatrick Mooney EVF_TIMER, e82545_itr_callback, sc); 6364c87aefeSPatrick Mooney #endif 6374c87aefeSPatrick Mooney } 6384c87aefeSPatrick Mooney } 6394c87aefeSPatrick Mooney } 6404c87aefeSPatrick Mooney 6414c87aefeSPatrick Mooney static void 6424c87aefeSPatrick Mooney e82545_icr_deassert(struct e82545_softc *sc, uint32_t bits) 6434c87aefeSPatrick Mooney { 6444c87aefeSPatrick Mooney 6454c87aefeSPatrick Mooney DPRINTF("icr deassert: 0x%x\r\n", bits); 6464c87aefeSPatrick Mooney sc->esc_ICR &= ~bits; 6474c87aefeSPatrick Mooney 6484c87aefeSPatrick Mooney /* 6494c87aefeSPatrick Mooney * If there are no longer any interrupt sources and there 6504c87aefeSPatrick Mooney * was an asserted interrupt, clear it 6514c87aefeSPatrick Mooney */ 6524c87aefeSPatrick Mooney if (sc->esc_irq_asserted && !(sc->esc_ICR & sc->esc_IMS)) { 6534c87aefeSPatrick Mooney DPRINTF("icr deassert: lintr deassert %x\r\n", bits); 6544c87aefeSPatrick Mooney pci_lintr_deassert(sc->esc_pi); 6554c87aefeSPatrick Mooney sc->esc_irq_asserted = 0; 6564c87aefeSPatrick Mooney } 6574c87aefeSPatrick Mooney } 6584c87aefeSPatrick Mooney 6594c87aefeSPatrick Mooney static void 6604c87aefeSPatrick Mooney e82545_intr_write(struct e82545_softc *sc, uint32_t offset, uint32_t value) 6614c87aefeSPatrick Mooney { 6624c87aefeSPatrick Mooney 6634c87aefeSPatrick Mooney DPRINTF("intr_write: off %x, val %x\n\r", offset, value); 6644c87aefeSPatrick Mooney 6654c87aefeSPatrick Mooney switch (offset) { 6664c87aefeSPatrick Mooney case E1000_ICR: 6674c87aefeSPatrick Mooney e82545_icr_deassert(sc, value); 6684c87aefeSPatrick Mooney break; 6694c87aefeSPatrick Mooney case E1000_ITR: 6704c87aefeSPatrick Mooney sc->esc_ITR = value; 6714c87aefeSPatrick Mooney break; 6724c87aefeSPatrick Mooney case E1000_ICS: 6734c87aefeSPatrick Mooney sc->esc_ICS = value; /* not used: store for debug */ 6744c87aefeSPatrick Mooney e82545_icr_assert(sc, value); 6754c87aefeSPatrick Mooney break; 6764c87aefeSPatrick Mooney case E1000_IMS: 6774c87aefeSPatrick Mooney e82545_ims_change(sc, value); 6784c87aefeSPatrick Mooney break; 6794c87aefeSPatrick Mooney case E1000_IMC: 6804c87aefeSPatrick Mooney sc->esc_IMC = value; /* for debug */ 6814c87aefeSPatrick Mooney sc->esc_IMS &= ~value; 6824c87aefeSPatrick Mooney // XXX clear interrupts if all ICR bits now masked 6834c87aefeSPatrick Mooney // and interrupt was pending ? 6844c87aefeSPatrick Mooney break; 6854c87aefeSPatrick Mooney default: 6864c87aefeSPatrick Mooney break; 6874c87aefeSPatrick Mooney } 6884c87aefeSPatrick Mooney } 6894c87aefeSPatrick Mooney 6904c87aefeSPatrick Mooney static uint32_t 6914c87aefeSPatrick Mooney e82545_intr_read(struct e82545_softc *sc, uint32_t offset) 6924c87aefeSPatrick Mooney { 6934c87aefeSPatrick Mooney uint32_t retval; 6944c87aefeSPatrick Mooney 6954c87aefeSPatrick Mooney retval = 0; 6964c87aefeSPatrick Mooney 6974c87aefeSPatrick Mooney DPRINTF("intr_read: off %x\n\r", offset); 6984c87aefeSPatrick Mooney 6994c87aefeSPatrick Mooney switch (offset) { 7004c87aefeSPatrick Mooney case E1000_ICR: 7014c87aefeSPatrick Mooney retval = sc->esc_ICR; 7024c87aefeSPatrick Mooney sc->esc_ICR = 0; 7034c87aefeSPatrick Mooney e82545_icr_deassert(sc, ~0); 7044c87aefeSPatrick Mooney break; 7054c87aefeSPatrick Mooney case E1000_ITR: 7064c87aefeSPatrick Mooney retval = sc->esc_ITR; 7074c87aefeSPatrick Mooney break; 7084c87aefeSPatrick Mooney case E1000_ICS: 7094c87aefeSPatrick Mooney /* write-only register */ 7104c87aefeSPatrick Mooney break; 7114c87aefeSPatrick Mooney case E1000_IMS: 7124c87aefeSPatrick Mooney retval = sc->esc_IMS; 7134c87aefeSPatrick Mooney break; 7144c87aefeSPatrick Mooney case E1000_IMC: 7154c87aefeSPatrick Mooney /* write-only register */ 7164c87aefeSPatrick Mooney break; 7174c87aefeSPatrick Mooney default: 7184c87aefeSPatrick Mooney break; 7194c87aefeSPatrick Mooney } 7204c87aefeSPatrick Mooney 7214c87aefeSPatrick Mooney return (retval); 7224c87aefeSPatrick Mooney } 7234c87aefeSPatrick Mooney 7244c87aefeSPatrick Mooney static void 7254c87aefeSPatrick Mooney e82545_devctl(struct e82545_softc *sc, uint32_t val) 7264c87aefeSPatrick Mooney { 7274c87aefeSPatrick Mooney 7284c87aefeSPatrick Mooney sc->esc_CTRL = val & ~E1000_CTRL_RST; 7294c87aefeSPatrick Mooney 7304c87aefeSPatrick Mooney if (val & E1000_CTRL_RST) { 7314c87aefeSPatrick Mooney DPRINTF("e1k: s/w reset, ctl %x\n", val); 7324c87aefeSPatrick Mooney e82545_reset(sc, 1); 7334c87aefeSPatrick Mooney } 7344c87aefeSPatrick Mooney /* XXX check for phy reset ? */ 7354c87aefeSPatrick Mooney } 7364c87aefeSPatrick Mooney 7374c87aefeSPatrick Mooney static void 7384c87aefeSPatrick Mooney e82545_rx_update_rdba(struct e82545_softc *sc) 7394c87aefeSPatrick Mooney { 7404c87aefeSPatrick Mooney 7414c87aefeSPatrick Mooney /* XXX verify desc base/len within phys mem range */ 7424c87aefeSPatrick Mooney sc->esc_rdba = (uint64_t)sc->esc_RDBAH << 32 | 7434c87aefeSPatrick Mooney sc->esc_RDBAL; 7444c87aefeSPatrick Mooney 7454c87aefeSPatrick Mooney /* Cache host mapping of guest descriptor array */ 7464c87aefeSPatrick Mooney sc->esc_rxdesc = paddr_guest2host(sc->esc_ctx, 7474c87aefeSPatrick Mooney sc->esc_rdba, sc->esc_RDLEN); 7484c87aefeSPatrick Mooney } 7494c87aefeSPatrick Mooney 7504c87aefeSPatrick Mooney static void 7514c87aefeSPatrick Mooney e82545_rx_ctl(struct e82545_softc *sc, uint32_t val) 7524c87aefeSPatrick Mooney { 7534c87aefeSPatrick Mooney int on; 7544c87aefeSPatrick Mooney 7554c87aefeSPatrick Mooney on = ((val & E1000_RCTL_EN) == E1000_RCTL_EN); 7564c87aefeSPatrick Mooney 7574c87aefeSPatrick Mooney /* Save RCTL after stripping reserved bits 31:27,24,21,14,11:10,0 */ 7584c87aefeSPatrick Mooney sc->esc_RCTL = val & ~0xF9204c01; 7594c87aefeSPatrick Mooney 7604c87aefeSPatrick Mooney DPRINTF("rx_ctl - %s RCTL %x, val %x\n", 7614c87aefeSPatrick Mooney on ? "on" : "off", sc->esc_RCTL, val); 7624c87aefeSPatrick Mooney 7634c87aefeSPatrick Mooney /* state change requested */ 7644c87aefeSPatrick Mooney if (on != sc->esc_rx_enabled) { 7654c87aefeSPatrick Mooney if (on) { 7664c87aefeSPatrick Mooney /* Catch disallowed/unimplemented settings */ 7674c87aefeSPatrick Mooney //assert(!(val & E1000_RCTL_LBM_TCVR)); 7684c87aefeSPatrick Mooney 7694c87aefeSPatrick Mooney if (sc->esc_RCTL & E1000_RCTL_LBM_TCVR) { 7704c87aefeSPatrick Mooney sc->esc_rx_loopback = 1; 7714c87aefeSPatrick Mooney } else { 7724c87aefeSPatrick Mooney sc->esc_rx_loopback = 0; 7734c87aefeSPatrick Mooney } 7744c87aefeSPatrick Mooney 7754c87aefeSPatrick Mooney e82545_rx_update_rdba(sc); 7764c87aefeSPatrick Mooney e82545_rx_enable(sc); 7774c87aefeSPatrick Mooney } else { 7784c87aefeSPatrick Mooney e82545_rx_disable(sc); 7794c87aefeSPatrick Mooney sc->esc_rx_loopback = 0; 7804c87aefeSPatrick Mooney sc->esc_rdba = 0; 7814c87aefeSPatrick Mooney sc->esc_rxdesc = NULL; 7824c87aefeSPatrick Mooney } 7834c87aefeSPatrick Mooney } 7844c87aefeSPatrick Mooney } 7854c87aefeSPatrick Mooney 7864c87aefeSPatrick Mooney static void 7874c87aefeSPatrick Mooney e82545_tx_update_tdba(struct e82545_softc *sc) 7884c87aefeSPatrick Mooney { 7894c87aefeSPatrick Mooney 7904c87aefeSPatrick Mooney /* XXX verify desc base/len within phys mem range */ 7914c87aefeSPatrick Mooney sc->esc_tdba = (uint64_t)sc->esc_TDBAH << 32 | sc->esc_TDBAL; 7924c87aefeSPatrick Mooney 7934c87aefeSPatrick Mooney /* Cache host mapping of guest descriptor array */ 7944c87aefeSPatrick Mooney sc->esc_txdesc = paddr_guest2host(sc->esc_ctx, sc->esc_tdba, 7954c87aefeSPatrick Mooney sc->esc_TDLEN); 7964c87aefeSPatrick Mooney } 7974c87aefeSPatrick Mooney 7984c87aefeSPatrick Mooney static void 7994c87aefeSPatrick Mooney e82545_tx_ctl(struct e82545_softc *sc, uint32_t val) 8004c87aefeSPatrick Mooney { 8014c87aefeSPatrick Mooney int on; 8024c87aefeSPatrick Mooney 8034c87aefeSPatrick Mooney on = ((val & E1000_TCTL_EN) == E1000_TCTL_EN); 8044c87aefeSPatrick Mooney 8054c87aefeSPatrick Mooney /* ignore TCTL_EN settings that don't change state */ 8064c87aefeSPatrick Mooney if (on == sc->esc_tx_enabled) 8074c87aefeSPatrick Mooney return; 8084c87aefeSPatrick Mooney 8094c87aefeSPatrick Mooney if (on) { 8104c87aefeSPatrick Mooney e82545_tx_update_tdba(sc); 8114c87aefeSPatrick Mooney e82545_tx_enable(sc); 8124c87aefeSPatrick Mooney } else { 8134c87aefeSPatrick Mooney e82545_tx_disable(sc); 8144c87aefeSPatrick Mooney sc->esc_tdba = 0; 8154c87aefeSPatrick Mooney sc->esc_txdesc = NULL; 8164c87aefeSPatrick Mooney } 8174c87aefeSPatrick Mooney 8184c87aefeSPatrick Mooney /* Save TCTL value after stripping reserved bits 31:25,23,2,0 */ 8194c87aefeSPatrick Mooney sc->esc_TCTL = val & ~0xFE800005; 8204c87aefeSPatrick Mooney } 8214c87aefeSPatrick Mooney 8224c87aefeSPatrick Mooney int 8234c87aefeSPatrick Mooney e82545_bufsz(uint32_t rctl) 8244c87aefeSPatrick Mooney { 8254c87aefeSPatrick Mooney 8264c87aefeSPatrick Mooney switch (rctl & (E1000_RCTL_BSEX | E1000_RCTL_SZ_256)) { 8274c87aefeSPatrick Mooney case (E1000_RCTL_SZ_2048): return (2048); 8284c87aefeSPatrick Mooney case (E1000_RCTL_SZ_1024): return (1024); 8294c87aefeSPatrick Mooney case (E1000_RCTL_SZ_512): return (512); 8304c87aefeSPatrick Mooney case (E1000_RCTL_SZ_256): return (256); 8314c87aefeSPatrick Mooney case (E1000_RCTL_BSEX|E1000_RCTL_SZ_16384): return (16384); 8324c87aefeSPatrick Mooney case (E1000_RCTL_BSEX|E1000_RCTL_SZ_8192): return (8192); 8334c87aefeSPatrick Mooney case (E1000_RCTL_BSEX|E1000_RCTL_SZ_4096): return (4096); 8344c87aefeSPatrick Mooney } 8354c87aefeSPatrick Mooney return (256); /* Forbidden value. */ 8364c87aefeSPatrick Mooney } 8374c87aefeSPatrick Mooney 8384c87aefeSPatrick Mooney #ifdef __FreeBSD__ 8394c87aefeSPatrick Mooney static uint8_t dummybuf[2048]; 8404c87aefeSPatrick Mooney 8414c87aefeSPatrick Mooney /* XXX one packet at a time until this is debugged */ 8424c87aefeSPatrick Mooney static void 8434c87aefeSPatrick Mooney e82545_tap_callback(int fd, enum ev_type type, void *param) 8444c87aefeSPatrick Mooney { 8454c87aefeSPatrick Mooney struct e82545_softc *sc = param; 8464c87aefeSPatrick Mooney struct e1000_rx_desc *rxd; 8474c87aefeSPatrick Mooney struct iovec vec[64]; 8484c87aefeSPatrick Mooney int left, len, lim, maxpktsz, maxpktdesc, bufsz, i, n, size; 8494c87aefeSPatrick Mooney uint32_t cause = 0; 8504c87aefeSPatrick Mooney uint16_t *tp, tag, head; 8514c87aefeSPatrick Mooney 8524c87aefeSPatrick Mooney pthread_mutex_lock(&sc->esc_mtx); 8534c87aefeSPatrick Mooney DPRINTF("rx_run: head %x, tail %x\r\n", sc->esc_RDH, sc->esc_RDT); 8544c87aefeSPatrick Mooney 8554c87aefeSPatrick Mooney if (!sc->esc_rx_enabled || sc->esc_rx_loopback) { 8564c87aefeSPatrick Mooney DPRINTF("rx disabled (!%d || %d) -- packet(s) dropped\r\n", 8574c87aefeSPatrick Mooney sc->esc_rx_enabled, sc->esc_rx_loopback); 8584c87aefeSPatrick Mooney while (read(sc->esc_tapfd, dummybuf, sizeof(dummybuf)) > 0) { 8594c87aefeSPatrick Mooney } 8604c87aefeSPatrick Mooney goto done1; 8614c87aefeSPatrick Mooney } 8624c87aefeSPatrick Mooney bufsz = e82545_bufsz(sc->esc_RCTL); 8634c87aefeSPatrick Mooney maxpktsz = (sc->esc_RCTL & E1000_RCTL_LPE) ? 16384 : 1522; 8644c87aefeSPatrick Mooney maxpktdesc = (maxpktsz + bufsz - 1) / bufsz; 8654c87aefeSPatrick Mooney size = sc->esc_RDLEN / 16; 8664c87aefeSPatrick Mooney head = sc->esc_RDH; 8674c87aefeSPatrick Mooney left = (size + sc->esc_RDT - head) % size; 8684c87aefeSPatrick Mooney if (left < maxpktdesc) { 8694c87aefeSPatrick Mooney DPRINTF("rx overflow (%d < %d) -- packet(s) dropped\r\n", 8704c87aefeSPatrick Mooney left, maxpktdesc); 8714c87aefeSPatrick Mooney while (read(sc->esc_tapfd, dummybuf, sizeof(dummybuf)) > 0) { 8724c87aefeSPatrick Mooney } 8734c87aefeSPatrick Mooney goto done1; 8744c87aefeSPatrick Mooney } 8754c87aefeSPatrick Mooney 8764c87aefeSPatrick Mooney sc->esc_rx_active = 1; 8774c87aefeSPatrick Mooney pthread_mutex_unlock(&sc->esc_mtx); 8784c87aefeSPatrick Mooney 8794c87aefeSPatrick Mooney for (lim = size / 4; lim > 0 && left >= maxpktdesc; lim -= n) { 8804c87aefeSPatrick Mooney 8814c87aefeSPatrick Mooney /* Grab rx descriptor pointed to by the head pointer */ 8824c87aefeSPatrick Mooney for (i = 0; i < maxpktdesc; i++) { 8834c87aefeSPatrick Mooney rxd = &sc->esc_rxdesc[(head + i) % size]; 8844c87aefeSPatrick Mooney vec[i].iov_base = paddr_guest2host(sc->esc_ctx, 8854c87aefeSPatrick Mooney rxd->buffer_addr, bufsz); 8864c87aefeSPatrick Mooney vec[i].iov_len = bufsz; 8874c87aefeSPatrick Mooney } 8884c87aefeSPatrick Mooney len = readv(sc->esc_tapfd, vec, maxpktdesc); 8894c87aefeSPatrick Mooney if (len <= 0) { 8904c87aefeSPatrick Mooney DPRINTF("tap: readv() returned %d\n", len); 8914c87aefeSPatrick Mooney goto done; 8924c87aefeSPatrick Mooney } 8934c87aefeSPatrick Mooney 8944c87aefeSPatrick Mooney /* 8954c87aefeSPatrick Mooney * Adjust the packet length based on whether the CRC needs 8964c87aefeSPatrick Mooney * to be stripped or if the packet is less than the minimum 8974c87aefeSPatrick Mooney * eth packet size. 8984c87aefeSPatrick Mooney */ 8994c87aefeSPatrick Mooney if (len < ETHER_MIN_LEN - ETHER_CRC_LEN) 9004c87aefeSPatrick Mooney len = ETHER_MIN_LEN - ETHER_CRC_LEN; 9014c87aefeSPatrick Mooney if (!(sc->esc_RCTL & E1000_RCTL_SECRC)) 9024c87aefeSPatrick Mooney len += ETHER_CRC_LEN; 9034c87aefeSPatrick Mooney n = (len + bufsz - 1) / bufsz; 9044c87aefeSPatrick Mooney 9054c87aefeSPatrick Mooney DPRINTF("packet read %d bytes, %d segs, head %d\r\n", 9064c87aefeSPatrick Mooney len, n, head); 9074c87aefeSPatrick Mooney 9084c87aefeSPatrick Mooney /* Apply VLAN filter. */ 9094c87aefeSPatrick Mooney tp = (uint16_t *)vec[0].iov_base + 6; 9104c87aefeSPatrick Mooney if ((sc->esc_RCTL & E1000_RCTL_VFE) && 9114c87aefeSPatrick Mooney (ntohs(tp[0]) == sc->esc_VET)) { 9124c87aefeSPatrick Mooney tag = ntohs(tp[1]) & 0x0fff; 9134c87aefeSPatrick Mooney if ((sc->esc_fvlan[tag >> 5] & 9144c87aefeSPatrick Mooney (1 << (tag & 0x1f))) != 0) { 9154c87aefeSPatrick Mooney DPRINTF("known VLAN %d\r\n", tag); 9164c87aefeSPatrick Mooney } else { 9174c87aefeSPatrick Mooney DPRINTF("unknown VLAN %d\r\n", tag); 9184c87aefeSPatrick Mooney n = 0; 9194c87aefeSPatrick Mooney continue; 9204c87aefeSPatrick Mooney } 9214c87aefeSPatrick Mooney } 9224c87aefeSPatrick Mooney 9234c87aefeSPatrick Mooney /* Update all consumed descriptors. */ 9244c87aefeSPatrick Mooney for (i = 0; i < n - 1; i++) { 9254c87aefeSPatrick Mooney rxd = &sc->esc_rxdesc[(head + i) % size]; 9264c87aefeSPatrick Mooney rxd->length = bufsz; 9274c87aefeSPatrick Mooney rxd->csum = 0; 9284c87aefeSPatrick Mooney rxd->errors = 0; 9294c87aefeSPatrick Mooney rxd->special = 0; 9304c87aefeSPatrick Mooney rxd->status = E1000_RXD_STAT_DD; 9314c87aefeSPatrick Mooney } 9324c87aefeSPatrick Mooney rxd = &sc->esc_rxdesc[(head + i) % size]; 9334c87aefeSPatrick Mooney rxd->length = len % bufsz; 9344c87aefeSPatrick Mooney rxd->csum = 0; 9354c87aefeSPatrick Mooney rxd->errors = 0; 9364c87aefeSPatrick Mooney rxd->special = 0; 9374c87aefeSPatrick Mooney /* XXX signal no checksum for now */ 9384c87aefeSPatrick Mooney rxd->status = E1000_RXD_STAT_PIF | E1000_RXD_STAT_IXSM | 9394c87aefeSPatrick Mooney E1000_RXD_STAT_EOP | E1000_RXD_STAT_DD; 9404c87aefeSPatrick Mooney 9414c87aefeSPatrick Mooney /* Schedule receive interrupts. */ 9424c87aefeSPatrick Mooney if (len <= sc->esc_RSRPD) { 9434c87aefeSPatrick Mooney cause |= E1000_ICR_SRPD | E1000_ICR_RXT0; 9444c87aefeSPatrick Mooney } else { 9454c87aefeSPatrick Mooney /* XXX: RDRT and RADV timers should be here. */ 9464c87aefeSPatrick Mooney cause |= E1000_ICR_RXT0; 9474c87aefeSPatrick Mooney } 9484c87aefeSPatrick Mooney 9494c87aefeSPatrick Mooney head = (head + n) % size; 9504c87aefeSPatrick Mooney left -= n; 9514c87aefeSPatrick Mooney } 9524c87aefeSPatrick Mooney 9534c87aefeSPatrick Mooney done: 9544c87aefeSPatrick Mooney pthread_mutex_lock(&sc->esc_mtx); 9554c87aefeSPatrick Mooney sc->esc_rx_active = 0; 9564c87aefeSPatrick Mooney if (sc->esc_rx_enabled == 0) 9574c87aefeSPatrick Mooney pthread_cond_signal(&sc->esc_rx_cond); 9584c87aefeSPatrick Mooney 9594c87aefeSPatrick Mooney sc->esc_RDH = head; 9604c87aefeSPatrick Mooney /* Respect E1000_RCTL_RDMTS */ 9614c87aefeSPatrick Mooney left = (size + sc->esc_RDT - head) % size; 9624c87aefeSPatrick Mooney if (left < (size >> (((sc->esc_RCTL >> 8) & 3) + 1))) 9634c87aefeSPatrick Mooney cause |= E1000_ICR_RXDMT0; 9644c87aefeSPatrick Mooney /* Assert all accumulated interrupts. */ 9654c87aefeSPatrick Mooney if (cause != 0) 9664c87aefeSPatrick Mooney e82545_icr_assert(sc, cause); 9674c87aefeSPatrick Mooney done1: 9684c87aefeSPatrick Mooney DPRINTF("rx_run done: head %x, tail %x\r\n", sc->esc_RDH, sc->esc_RDT); 9694c87aefeSPatrick Mooney pthread_mutex_unlock(&sc->esc_mtx); 9704c87aefeSPatrick Mooney } 9714c87aefeSPatrick Mooney #endif 9724c87aefeSPatrick Mooney 9734c87aefeSPatrick Mooney static uint16_t 9744c87aefeSPatrick Mooney e82545_carry(uint32_t sum) 9754c87aefeSPatrick Mooney { 9764c87aefeSPatrick Mooney 9774c87aefeSPatrick Mooney sum = (sum & 0xFFFF) + (sum >> 16); 9784c87aefeSPatrick Mooney if (sum > 0xFFFF) 9794c87aefeSPatrick Mooney sum -= 0xFFFF; 9804c87aefeSPatrick Mooney return (sum); 9814c87aefeSPatrick Mooney } 9824c87aefeSPatrick Mooney 9834c87aefeSPatrick Mooney static uint16_t 9844c87aefeSPatrick Mooney #ifdef __FreeBSD__ 9854c87aefeSPatrick Mooney e82545_buf_checksum(uint8_t *buf, int len) 9864c87aefeSPatrick Mooney #else 9874c87aefeSPatrick Mooney e82545_buf_checksum(caddr_t buf, int len) 9884c87aefeSPatrick Mooney #endif 9894c87aefeSPatrick Mooney { 9904c87aefeSPatrick Mooney int i; 9914c87aefeSPatrick Mooney uint32_t sum = 0; 9924c87aefeSPatrick Mooney 9934c87aefeSPatrick Mooney /* Checksum all the pairs of bytes first... */ 9944c87aefeSPatrick Mooney for (i = 0; i < (len & ~1U); i += 2) 9954c87aefeSPatrick Mooney sum += *((u_int16_t *)(buf + i)); 9964c87aefeSPatrick Mooney 9974c87aefeSPatrick Mooney /* 9984c87aefeSPatrick Mooney * If there's a single byte left over, checksum it, too. 9994c87aefeSPatrick Mooney * Network byte order is big-endian, so the remaining byte is 10004c87aefeSPatrick Mooney * the high byte. 10014c87aefeSPatrick Mooney */ 10024c87aefeSPatrick Mooney if (i < len) 10034c87aefeSPatrick Mooney sum += htons(buf[i] << 8); 10044c87aefeSPatrick Mooney 10054c87aefeSPatrick Mooney return (e82545_carry(sum)); 10064c87aefeSPatrick Mooney } 10074c87aefeSPatrick Mooney 10084c87aefeSPatrick Mooney static uint16_t 10094c87aefeSPatrick Mooney e82545_iov_checksum(struct iovec *iov, int iovcnt, int off, int len) 10104c87aefeSPatrick Mooney { 10114c87aefeSPatrick Mooney int now, odd; 10124c87aefeSPatrick Mooney uint32_t sum = 0, s; 10134c87aefeSPatrick Mooney 10144c87aefeSPatrick Mooney /* Skip completely unneeded vectors. */ 10154c87aefeSPatrick Mooney while (iovcnt > 0 && iov->iov_len <= off && off > 0) { 10164c87aefeSPatrick Mooney off -= iov->iov_len; 10174c87aefeSPatrick Mooney iov++; 10184c87aefeSPatrick Mooney iovcnt--; 10194c87aefeSPatrick Mooney } 10204c87aefeSPatrick Mooney 10214c87aefeSPatrick Mooney /* Calculate checksum of requested range. */ 10224c87aefeSPatrick Mooney odd = 0; 10234c87aefeSPatrick Mooney while (len > 0 && iovcnt > 0) { 10244c87aefeSPatrick Mooney now = MIN(len, iov->iov_len - off); 10254c87aefeSPatrick Mooney s = e82545_buf_checksum(iov->iov_base + off, now); 10264c87aefeSPatrick Mooney sum += odd ? (s << 8) : s; 10274c87aefeSPatrick Mooney odd ^= (now & 1); 10284c87aefeSPatrick Mooney len -= now; 10294c87aefeSPatrick Mooney off = 0; 10304c87aefeSPatrick Mooney iov++; 10314c87aefeSPatrick Mooney iovcnt--; 10324c87aefeSPatrick Mooney } 10334c87aefeSPatrick Mooney 10344c87aefeSPatrick Mooney return (e82545_carry(sum)); 10354c87aefeSPatrick Mooney } 10364c87aefeSPatrick Mooney 10374c87aefeSPatrick Mooney /* 10384c87aefeSPatrick Mooney * Return the transmit descriptor type. 10394c87aefeSPatrick Mooney */ 10404c87aefeSPatrick Mooney int 10414c87aefeSPatrick Mooney e82545_txdesc_type(uint32_t lower) 10424c87aefeSPatrick Mooney { 10434c87aefeSPatrick Mooney int type; 10444c87aefeSPatrick Mooney 10454c87aefeSPatrick Mooney type = 0; 10464c87aefeSPatrick Mooney 10474c87aefeSPatrick Mooney if (lower & E1000_TXD_CMD_DEXT) 10484c87aefeSPatrick Mooney type = lower & E1000_TXD_MASK; 10494c87aefeSPatrick Mooney 10504c87aefeSPatrick Mooney return (type); 10514c87aefeSPatrick Mooney } 10524c87aefeSPatrick Mooney 10534c87aefeSPatrick Mooney static void 10544c87aefeSPatrick Mooney e82545_transmit_checksum(struct iovec *iov, int iovcnt, struct ck_info *ck) 10554c87aefeSPatrick Mooney { 10564c87aefeSPatrick Mooney uint16_t cksum; 10574c87aefeSPatrick Mooney int cklen; 10584c87aefeSPatrick Mooney 10594c87aefeSPatrick Mooney DPRINTF("tx cksum: iovcnt/s/off/len %d/%d/%d/%d\r\n", 10604c87aefeSPatrick Mooney iovcnt, ck->ck_start, ck->ck_off, ck->ck_len); 10614c87aefeSPatrick Mooney cklen = ck->ck_len ? ck->ck_len - ck->ck_start + 1 : INT_MAX; 10624c87aefeSPatrick Mooney cksum = e82545_iov_checksum(iov, iovcnt, ck->ck_start, cklen); 10634c87aefeSPatrick Mooney *(uint16_t *)((uint8_t *)iov[0].iov_base + ck->ck_off) = ~cksum; 10644c87aefeSPatrick Mooney } 10654c87aefeSPatrick Mooney 10664c87aefeSPatrick Mooney static void 10674c87aefeSPatrick Mooney e82545_transmit_backend(struct e82545_softc *sc, struct iovec *iov, int iovcnt) 10684c87aefeSPatrick Mooney { 10694c87aefeSPatrick Mooney 10704c87aefeSPatrick Mooney if (sc->esc_tapfd == -1) 10714c87aefeSPatrick Mooney return; 10724c87aefeSPatrick Mooney 10734c87aefeSPatrick Mooney (void) writev(sc->esc_tapfd, iov, iovcnt); 10744c87aefeSPatrick Mooney } 10754c87aefeSPatrick Mooney 10764c87aefeSPatrick Mooney static void 10774c87aefeSPatrick Mooney e82545_transmit_done(struct e82545_softc *sc, uint16_t head, uint16_t tail, 10784c87aefeSPatrick Mooney uint16_t dsize, int *tdwb) 10794c87aefeSPatrick Mooney { 10804c87aefeSPatrick Mooney union e1000_tx_udesc *dsc; 10814c87aefeSPatrick Mooney 10824c87aefeSPatrick Mooney for ( ; head != tail; head = (head + 1) % dsize) { 10834c87aefeSPatrick Mooney dsc = &sc->esc_txdesc[head]; 10844c87aefeSPatrick Mooney if (dsc->td.lower.data & E1000_TXD_CMD_RS) { 10854c87aefeSPatrick Mooney dsc->td.upper.data |= E1000_TXD_STAT_DD; 10864c87aefeSPatrick Mooney *tdwb = 1; 10874c87aefeSPatrick Mooney } 10884c87aefeSPatrick Mooney } 10894c87aefeSPatrick Mooney } 10904c87aefeSPatrick Mooney 10914c87aefeSPatrick Mooney static int 10924c87aefeSPatrick Mooney e82545_transmit(struct e82545_softc *sc, uint16_t head, uint16_t tail, 10934c87aefeSPatrick Mooney uint16_t dsize, uint16_t *rhead, int *tdwb) 10944c87aefeSPatrick Mooney { 10954c87aefeSPatrick Mooney #ifdef __FreeBSD__ 10964c87aefeSPatrick Mooney uint8_t *hdr, *hdrp; 10974c87aefeSPatrick Mooney #else 10984c87aefeSPatrick Mooney caddr_t hdr, hdrp; 10994c87aefeSPatrick Mooney #endif 11004c87aefeSPatrick Mooney struct iovec iovb[I82545_MAX_TXSEGS + 2]; 11014c87aefeSPatrick Mooney struct iovec tiov[I82545_MAX_TXSEGS + 2]; 11024c87aefeSPatrick Mooney struct e1000_context_desc *cd; 11034c87aefeSPatrick Mooney struct ck_info ckinfo[2]; 11044c87aefeSPatrick Mooney struct iovec *iov; 11054c87aefeSPatrick Mooney union e1000_tx_udesc *dsc; 11064c87aefeSPatrick Mooney int desc, dtype, len, ntype, iovcnt, tlen, hdrlen, vlen, tcp, tso; 11074c87aefeSPatrick Mooney int mss, paylen, seg, tiovcnt, left, now, nleft, nnow, pv, pvoff; 11084c87aefeSPatrick Mooney uint32_t tcpsum, tcpseq; 11094c87aefeSPatrick Mooney uint16_t ipcs, tcpcs, ipid, ohead; 11104c87aefeSPatrick Mooney 11114c87aefeSPatrick Mooney ckinfo[0].ck_valid = ckinfo[1].ck_valid = 0; 11124c87aefeSPatrick Mooney iovcnt = 0; 11134c87aefeSPatrick Mooney tlen = 0; 11144c87aefeSPatrick Mooney ntype = 0; 11154c87aefeSPatrick Mooney tso = 0; 11164c87aefeSPatrick Mooney ohead = head; 11174c87aefeSPatrick Mooney hdr = NULL; 11184c87aefeSPatrick Mooney 11194c87aefeSPatrick Mooney /* iovb[0/1] may be used for writable copy of headers. */ 11204c87aefeSPatrick Mooney iov = &iovb[2]; 11214c87aefeSPatrick Mooney 11224c87aefeSPatrick Mooney for (desc = 0; ; desc++, head = (head + 1) % dsize) { 11234c87aefeSPatrick Mooney if (head == tail) { 11244c87aefeSPatrick Mooney *rhead = head; 11254c87aefeSPatrick Mooney return (0); 11264c87aefeSPatrick Mooney } 11274c87aefeSPatrick Mooney dsc = &sc->esc_txdesc[head]; 11284c87aefeSPatrick Mooney dtype = e82545_txdesc_type(dsc->td.lower.data); 11294c87aefeSPatrick Mooney 11304c87aefeSPatrick Mooney if (desc == 0) { 11314c87aefeSPatrick Mooney switch (dtype) { 11324c87aefeSPatrick Mooney case E1000_TXD_TYP_C: 11334c87aefeSPatrick Mooney DPRINTF("tx ctxt desc idx %d: %016jx " 11344c87aefeSPatrick Mooney "%08x%08x\r\n", 11354c87aefeSPatrick Mooney head, dsc->td.buffer_addr, 11364c87aefeSPatrick Mooney dsc->td.upper.data, dsc->td.lower.data); 11374c87aefeSPatrick Mooney /* Save context and return */ 11384c87aefeSPatrick Mooney sc->esc_txctx = dsc->cd; 11394c87aefeSPatrick Mooney goto done; 11404c87aefeSPatrick Mooney case E1000_TXD_TYP_L: 11414c87aefeSPatrick Mooney DPRINTF("tx legacy desc idx %d: %08x%08x\r\n", 11424c87aefeSPatrick Mooney head, dsc->td.upper.data, dsc->td.lower.data); 11434c87aefeSPatrick Mooney /* 11444c87aefeSPatrick Mooney * legacy cksum start valid in first descriptor 11454c87aefeSPatrick Mooney */ 11464c87aefeSPatrick Mooney ntype = dtype; 11474c87aefeSPatrick Mooney ckinfo[0].ck_start = dsc->td.upper.fields.css; 11484c87aefeSPatrick Mooney break; 11494c87aefeSPatrick Mooney case E1000_TXD_TYP_D: 11504c87aefeSPatrick Mooney DPRINTF("tx data desc idx %d: %08x%08x\r\n", 11514c87aefeSPatrick Mooney head, dsc->td.upper.data, dsc->td.lower.data); 11524c87aefeSPatrick Mooney ntype = dtype; 11534c87aefeSPatrick Mooney break; 11544c87aefeSPatrick Mooney default: 11554c87aefeSPatrick Mooney break; 11564c87aefeSPatrick Mooney } 11574c87aefeSPatrick Mooney } else { 11584c87aefeSPatrick Mooney /* Descriptor type must be consistent */ 11594c87aefeSPatrick Mooney assert(dtype == ntype); 11604c87aefeSPatrick Mooney DPRINTF("tx next desc idx %d: %08x%08x\r\n", 11614c87aefeSPatrick Mooney head, dsc->td.upper.data, dsc->td.lower.data); 11624c87aefeSPatrick Mooney } 11634c87aefeSPatrick Mooney 11644c87aefeSPatrick Mooney len = (dtype == E1000_TXD_TYP_L) ? dsc->td.lower.flags.length : 11654c87aefeSPatrick Mooney dsc->dd.lower.data & 0xFFFFF; 11664c87aefeSPatrick Mooney 11674c87aefeSPatrick Mooney if (len > 0) { 11684c87aefeSPatrick Mooney /* Strip checksum supplied by guest. */ 11694c87aefeSPatrick Mooney if ((dsc->td.lower.data & E1000_TXD_CMD_EOP) != 0 && 11704c87aefeSPatrick Mooney (dsc->td.lower.data & E1000_TXD_CMD_IFCS) == 0) 11714c87aefeSPatrick Mooney len -= 2; 11724c87aefeSPatrick Mooney tlen += len; 11734c87aefeSPatrick Mooney if (iovcnt < I82545_MAX_TXSEGS) { 11744c87aefeSPatrick Mooney iov[iovcnt].iov_base = paddr_guest2host( 11754c87aefeSPatrick Mooney sc->esc_ctx, dsc->td.buffer_addr, len); 11764c87aefeSPatrick Mooney iov[iovcnt].iov_len = len; 11774c87aefeSPatrick Mooney } 11784c87aefeSPatrick Mooney iovcnt++; 11794c87aefeSPatrick Mooney } 11804c87aefeSPatrick Mooney 11814c87aefeSPatrick Mooney /* 11824c87aefeSPatrick Mooney * Pull out info that is valid in the final descriptor 11834c87aefeSPatrick Mooney * and exit descriptor loop. 11844c87aefeSPatrick Mooney */ 11854c87aefeSPatrick Mooney if (dsc->td.lower.data & E1000_TXD_CMD_EOP) { 11864c87aefeSPatrick Mooney if (dtype == E1000_TXD_TYP_L) { 11874c87aefeSPatrick Mooney if (dsc->td.lower.data & E1000_TXD_CMD_IC) { 11884c87aefeSPatrick Mooney ckinfo[0].ck_valid = 1; 11894c87aefeSPatrick Mooney ckinfo[0].ck_off = 11904c87aefeSPatrick Mooney dsc->td.lower.flags.cso; 11914c87aefeSPatrick Mooney ckinfo[0].ck_len = 0; 11924c87aefeSPatrick Mooney } 11934c87aefeSPatrick Mooney } else { 11944c87aefeSPatrick Mooney cd = &sc->esc_txctx; 11954c87aefeSPatrick Mooney if (dsc->dd.lower.data & E1000_TXD_CMD_TSE) 11964c87aefeSPatrick Mooney tso = 1; 11974c87aefeSPatrick Mooney if (dsc->dd.upper.fields.popts & 11984c87aefeSPatrick Mooney E1000_TXD_POPTS_IXSM) 11994c87aefeSPatrick Mooney ckinfo[0].ck_valid = 1; 12004c87aefeSPatrick Mooney if (dsc->dd.upper.fields.popts & 12014c87aefeSPatrick Mooney E1000_TXD_POPTS_IXSM || tso) { 12024c87aefeSPatrick Mooney ckinfo[0].ck_start = 12034c87aefeSPatrick Mooney cd->lower_setup.ip_fields.ipcss; 12044c87aefeSPatrick Mooney ckinfo[0].ck_off = 12054c87aefeSPatrick Mooney cd->lower_setup.ip_fields.ipcso; 12064c87aefeSPatrick Mooney ckinfo[0].ck_len = 12074c87aefeSPatrick Mooney cd->lower_setup.ip_fields.ipcse; 12084c87aefeSPatrick Mooney } 12094c87aefeSPatrick Mooney if (dsc->dd.upper.fields.popts & 12104c87aefeSPatrick Mooney E1000_TXD_POPTS_TXSM) 12114c87aefeSPatrick Mooney ckinfo[1].ck_valid = 1; 12124c87aefeSPatrick Mooney if (dsc->dd.upper.fields.popts & 12134c87aefeSPatrick Mooney E1000_TXD_POPTS_TXSM || tso) { 12144c87aefeSPatrick Mooney ckinfo[1].ck_start = 12154c87aefeSPatrick Mooney cd->upper_setup.tcp_fields.tucss; 12164c87aefeSPatrick Mooney ckinfo[1].ck_off = 12174c87aefeSPatrick Mooney cd->upper_setup.tcp_fields.tucso; 12184c87aefeSPatrick Mooney ckinfo[1].ck_len = 12194c87aefeSPatrick Mooney cd->upper_setup.tcp_fields.tucse; 12204c87aefeSPatrick Mooney } 12214c87aefeSPatrick Mooney } 12224c87aefeSPatrick Mooney break; 12234c87aefeSPatrick Mooney } 12244c87aefeSPatrick Mooney } 12254c87aefeSPatrick Mooney 12264c87aefeSPatrick Mooney if (iovcnt > I82545_MAX_TXSEGS) { 12274c87aefeSPatrick Mooney WPRINTF("tx too many descriptors (%d > %d) -- dropped\r\n", 12284c87aefeSPatrick Mooney iovcnt, I82545_MAX_TXSEGS); 12294c87aefeSPatrick Mooney goto done; 12304c87aefeSPatrick Mooney } 12314c87aefeSPatrick Mooney 12324c87aefeSPatrick Mooney hdrlen = vlen = 0; 12334c87aefeSPatrick Mooney /* Estimate writable space for VLAN header insertion. */ 12344c87aefeSPatrick Mooney if ((sc->esc_CTRL & E1000_CTRL_VME) && 12354c87aefeSPatrick Mooney (dsc->td.lower.data & E1000_TXD_CMD_VLE)) { 12364c87aefeSPatrick Mooney hdrlen = ETHER_ADDR_LEN*2; 12374c87aefeSPatrick Mooney vlen = ETHER_VLAN_ENCAP_LEN; 12384c87aefeSPatrick Mooney } 12394c87aefeSPatrick Mooney if (!tso) { 12404c87aefeSPatrick Mooney /* Estimate required writable space for checksums. */ 12414c87aefeSPatrick Mooney if (ckinfo[0].ck_valid) 12424c87aefeSPatrick Mooney hdrlen = MAX(hdrlen, ckinfo[0].ck_off + 2); 12434c87aefeSPatrick Mooney if (ckinfo[1].ck_valid) 12444c87aefeSPatrick Mooney hdrlen = MAX(hdrlen, ckinfo[1].ck_off + 2); 12454c87aefeSPatrick Mooney /* Round up writable space to the first vector. */ 12464c87aefeSPatrick Mooney if (hdrlen != 0 && iov[0].iov_len > hdrlen && 12474c87aefeSPatrick Mooney iov[0].iov_len < hdrlen + 100) 12484c87aefeSPatrick Mooney hdrlen = iov[0].iov_len; 12494c87aefeSPatrick Mooney } else { 12504c87aefeSPatrick Mooney /* In case of TSO header length provided by software. */ 12514c87aefeSPatrick Mooney hdrlen = sc->esc_txctx.tcp_seg_setup.fields.hdr_len; 12524c87aefeSPatrick Mooney } 12534c87aefeSPatrick Mooney 12544c87aefeSPatrick Mooney /* Allocate, fill and prepend writable header vector. */ 12554c87aefeSPatrick Mooney if (hdrlen != 0) { 12564c87aefeSPatrick Mooney hdr = __builtin_alloca(hdrlen + vlen); 12574c87aefeSPatrick Mooney hdr += vlen; 12584c87aefeSPatrick Mooney for (left = hdrlen, hdrp = hdr; left > 0; 12594c87aefeSPatrick Mooney left -= now, hdrp += now) { 12604c87aefeSPatrick Mooney now = MIN(left, iov->iov_len); 12614c87aefeSPatrick Mooney memcpy(hdrp, iov->iov_base, now); 12624c87aefeSPatrick Mooney iov->iov_base += now; 12634c87aefeSPatrick Mooney iov->iov_len -= now; 12644c87aefeSPatrick Mooney if (iov->iov_len == 0) { 12654c87aefeSPatrick Mooney iov++; 12664c87aefeSPatrick Mooney iovcnt--; 12674c87aefeSPatrick Mooney } 12684c87aefeSPatrick Mooney } 12694c87aefeSPatrick Mooney iov--; 12704c87aefeSPatrick Mooney iovcnt++; 12714c87aefeSPatrick Mooney iov->iov_base = hdr; 12724c87aefeSPatrick Mooney iov->iov_len = hdrlen; 12734c87aefeSPatrick Mooney } 12744c87aefeSPatrick Mooney 12754c87aefeSPatrick Mooney /* Insert VLAN tag. */ 12764c87aefeSPatrick Mooney if (vlen != 0) { 12774c87aefeSPatrick Mooney hdr -= ETHER_VLAN_ENCAP_LEN; 12784c87aefeSPatrick Mooney memmove(hdr, hdr + ETHER_VLAN_ENCAP_LEN, ETHER_ADDR_LEN*2); 12794c87aefeSPatrick Mooney hdrlen += ETHER_VLAN_ENCAP_LEN; 12804c87aefeSPatrick Mooney hdr[ETHER_ADDR_LEN*2 + 0] = sc->esc_VET >> 8; 12814c87aefeSPatrick Mooney hdr[ETHER_ADDR_LEN*2 + 1] = sc->esc_VET & 0xff; 12824c87aefeSPatrick Mooney hdr[ETHER_ADDR_LEN*2 + 2] = dsc->td.upper.fields.special >> 8; 12834c87aefeSPatrick Mooney hdr[ETHER_ADDR_LEN*2 + 3] = dsc->td.upper.fields.special & 0xff; 12844c87aefeSPatrick Mooney iov->iov_base = hdr; 12854c87aefeSPatrick Mooney iov->iov_len += ETHER_VLAN_ENCAP_LEN; 12864c87aefeSPatrick Mooney /* Correct checksum offsets after VLAN tag insertion. */ 12874c87aefeSPatrick Mooney ckinfo[0].ck_start += ETHER_VLAN_ENCAP_LEN; 12884c87aefeSPatrick Mooney ckinfo[0].ck_off += ETHER_VLAN_ENCAP_LEN; 12894c87aefeSPatrick Mooney if (ckinfo[0].ck_len != 0) 12904c87aefeSPatrick Mooney ckinfo[0].ck_len += ETHER_VLAN_ENCAP_LEN; 12914c87aefeSPatrick Mooney ckinfo[1].ck_start += ETHER_VLAN_ENCAP_LEN; 12924c87aefeSPatrick Mooney ckinfo[1].ck_off += ETHER_VLAN_ENCAP_LEN; 12934c87aefeSPatrick Mooney if (ckinfo[1].ck_len != 0) 12944c87aefeSPatrick Mooney ckinfo[1].ck_len += ETHER_VLAN_ENCAP_LEN; 12954c87aefeSPatrick Mooney } 12964c87aefeSPatrick Mooney 12974c87aefeSPatrick Mooney /* Simple non-TSO case. */ 12984c87aefeSPatrick Mooney if (!tso) { 12994c87aefeSPatrick Mooney /* Calculate checksums and transmit. */ 13004c87aefeSPatrick Mooney if (ckinfo[0].ck_valid) 13014c87aefeSPatrick Mooney e82545_transmit_checksum(iov, iovcnt, &ckinfo[0]); 13024c87aefeSPatrick Mooney if (ckinfo[1].ck_valid) 13034c87aefeSPatrick Mooney e82545_transmit_checksum(iov, iovcnt, &ckinfo[1]); 13044c87aefeSPatrick Mooney e82545_transmit_backend(sc, iov, iovcnt); 13054c87aefeSPatrick Mooney goto done; 13064c87aefeSPatrick Mooney } 13074c87aefeSPatrick Mooney 13084c87aefeSPatrick Mooney /* Doing TSO. */ 13094c87aefeSPatrick Mooney tcp = (sc->esc_txctx.cmd_and_length & E1000_TXD_CMD_TCP) != 0; 13104c87aefeSPatrick Mooney mss = sc->esc_txctx.tcp_seg_setup.fields.mss; 13114c87aefeSPatrick Mooney paylen = (sc->esc_txctx.cmd_and_length & 0x000fffff); 13124c87aefeSPatrick Mooney DPRINTF("tx %s segmentation offload %d+%d/%d bytes %d iovs\r\n", 13134c87aefeSPatrick Mooney tcp ? "TCP" : "UDP", hdrlen, paylen, mss, iovcnt); 13144c87aefeSPatrick Mooney ipid = ntohs(*(uint16_t *)&hdr[ckinfo[0].ck_start + 4]); 13154c87aefeSPatrick Mooney tcpseq = ntohl(*(uint32_t *)&hdr[ckinfo[1].ck_start + 4]); 13164c87aefeSPatrick Mooney ipcs = *(uint16_t *)&hdr[ckinfo[0].ck_off]; 13174c87aefeSPatrick Mooney tcpcs = 0; 13184c87aefeSPatrick Mooney if (ckinfo[1].ck_valid) /* Save partial pseudo-header checksum. */ 13194c87aefeSPatrick Mooney tcpcs = *(uint16_t *)&hdr[ckinfo[1].ck_off]; 13204c87aefeSPatrick Mooney pv = 1; 13214c87aefeSPatrick Mooney pvoff = 0; 13224c87aefeSPatrick Mooney for (seg = 0, left = paylen; left > 0; seg++, left -= now) { 13234c87aefeSPatrick Mooney now = MIN(left, mss); 13244c87aefeSPatrick Mooney 13254c87aefeSPatrick Mooney /* Construct IOVs for the segment. */ 13264c87aefeSPatrick Mooney /* Include whole original header. */ 13274c87aefeSPatrick Mooney tiov[0].iov_base = hdr; 13284c87aefeSPatrick Mooney tiov[0].iov_len = hdrlen; 13294c87aefeSPatrick Mooney tiovcnt = 1; 13304c87aefeSPatrick Mooney /* Include respective part of payload IOV. */ 13314c87aefeSPatrick Mooney for (nleft = now; pv < iovcnt && nleft > 0; nleft -= nnow) { 13324c87aefeSPatrick Mooney nnow = MIN(nleft, iov[pv].iov_len - pvoff); 13334c87aefeSPatrick Mooney tiov[tiovcnt].iov_base = iov[pv].iov_base + pvoff; 13344c87aefeSPatrick Mooney tiov[tiovcnt++].iov_len = nnow; 13354c87aefeSPatrick Mooney if (pvoff + nnow == iov[pv].iov_len) { 13364c87aefeSPatrick Mooney pv++; 13374c87aefeSPatrick Mooney pvoff = 0; 13384c87aefeSPatrick Mooney } else 13394c87aefeSPatrick Mooney pvoff += nnow; 13404c87aefeSPatrick Mooney } 13414c87aefeSPatrick Mooney DPRINTF("tx segment %d %d+%d bytes %d iovs\r\n", 13424c87aefeSPatrick Mooney seg, hdrlen, now, tiovcnt); 13434c87aefeSPatrick Mooney 13444c87aefeSPatrick Mooney /* Update IP header. */ 13454c87aefeSPatrick Mooney if (sc->esc_txctx.cmd_and_length & E1000_TXD_CMD_IP) { 13464c87aefeSPatrick Mooney /* IPv4 -- set length and ID */ 13474c87aefeSPatrick Mooney *(uint16_t *)&hdr[ckinfo[0].ck_start + 2] = 13484c87aefeSPatrick Mooney htons(hdrlen - ckinfo[0].ck_start + now); 13494c87aefeSPatrick Mooney *(uint16_t *)&hdr[ckinfo[0].ck_start + 4] = 13504c87aefeSPatrick Mooney htons(ipid + seg); 13514c87aefeSPatrick Mooney } else { 13524c87aefeSPatrick Mooney /* IPv6 -- set length */ 13534c87aefeSPatrick Mooney *(uint16_t *)&hdr[ckinfo[0].ck_start + 4] = 13544c87aefeSPatrick Mooney htons(hdrlen - ckinfo[0].ck_start - 40 + 13554c87aefeSPatrick Mooney now); 13564c87aefeSPatrick Mooney } 13574c87aefeSPatrick Mooney 13584c87aefeSPatrick Mooney /* Update pseudo-header checksum. */ 13594c87aefeSPatrick Mooney tcpsum = tcpcs; 13604c87aefeSPatrick Mooney tcpsum += htons(hdrlen - ckinfo[1].ck_start + now); 13614c87aefeSPatrick Mooney 13624c87aefeSPatrick Mooney /* Update TCP/UDP headers. */ 13634c87aefeSPatrick Mooney if (tcp) { 13644c87aefeSPatrick Mooney /* Update sequence number and FIN/PUSH flags. */ 13654c87aefeSPatrick Mooney *(uint32_t *)&hdr[ckinfo[1].ck_start + 4] = 13664c87aefeSPatrick Mooney htonl(tcpseq + paylen - left); 13674c87aefeSPatrick Mooney if (now < left) { 13684c87aefeSPatrick Mooney hdr[ckinfo[1].ck_start + 13] &= 13694c87aefeSPatrick Mooney ~(TH_FIN | TH_PUSH); 13704c87aefeSPatrick Mooney } 13714c87aefeSPatrick Mooney } else { 13724c87aefeSPatrick Mooney /* Update payload length. */ 13734c87aefeSPatrick Mooney *(uint32_t *)&hdr[ckinfo[1].ck_start + 4] = 13744c87aefeSPatrick Mooney hdrlen - ckinfo[1].ck_start + now; 13754c87aefeSPatrick Mooney } 13764c87aefeSPatrick Mooney 13774c87aefeSPatrick Mooney /* Calculate checksums and transmit. */ 13784c87aefeSPatrick Mooney if (ckinfo[0].ck_valid) { 13794c87aefeSPatrick Mooney *(uint16_t *)&hdr[ckinfo[0].ck_off] = ipcs; 13804c87aefeSPatrick Mooney e82545_transmit_checksum(tiov, tiovcnt, &ckinfo[0]); 13814c87aefeSPatrick Mooney } 13824c87aefeSPatrick Mooney if (ckinfo[1].ck_valid) { 13834c87aefeSPatrick Mooney *(uint16_t *)&hdr[ckinfo[1].ck_off] = 13844c87aefeSPatrick Mooney e82545_carry(tcpsum); 13854c87aefeSPatrick Mooney e82545_transmit_checksum(tiov, tiovcnt, &ckinfo[1]); 13864c87aefeSPatrick Mooney } 13874c87aefeSPatrick Mooney e82545_transmit_backend(sc, tiov, tiovcnt); 13884c87aefeSPatrick Mooney } 13894c87aefeSPatrick Mooney 13904c87aefeSPatrick Mooney done: 13914c87aefeSPatrick Mooney head = (head + 1) % dsize; 13924c87aefeSPatrick Mooney e82545_transmit_done(sc, ohead, head, dsize, tdwb); 13934c87aefeSPatrick Mooney 13944c87aefeSPatrick Mooney *rhead = head; 13954c87aefeSPatrick Mooney return (desc + 1); 13964c87aefeSPatrick Mooney } 13974c87aefeSPatrick Mooney 13984c87aefeSPatrick Mooney static void 13994c87aefeSPatrick Mooney e82545_tx_run(struct e82545_softc *sc) 14004c87aefeSPatrick Mooney { 14014c87aefeSPatrick Mooney uint32_t cause; 14024c87aefeSPatrick Mooney uint16_t head, rhead, tail, size; 14034c87aefeSPatrick Mooney int lim, tdwb, sent; 14044c87aefeSPatrick Mooney 14054c87aefeSPatrick Mooney head = sc->esc_TDH; 14064c87aefeSPatrick Mooney tail = sc->esc_TDT; 14074c87aefeSPatrick Mooney size = sc->esc_TDLEN / 16; 14084c87aefeSPatrick Mooney DPRINTF("tx_run: head %x, rhead %x, tail %x\r\n", 14094c87aefeSPatrick Mooney sc->esc_TDH, sc->esc_TDHr, sc->esc_TDT); 14104c87aefeSPatrick Mooney 14114c87aefeSPatrick Mooney pthread_mutex_unlock(&sc->esc_mtx); 14124c87aefeSPatrick Mooney rhead = head; 14134c87aefeSPatrick Mooney tdwb = 0; 14144c87aefeSPatrick Mooney for (lim = size / 4; sc->esc_tx_enabled && lim > 0; lim -= sent) { 14154c87aefeSPatrick Mooney sent = e82545_transmit(sc, head, tail, size, &rhead, &tdwb); 14164c87aefeSPatrick Mooney if (sent == 0) 14174c87aefeSPatrick Mooney break; 14184c87aefeSPatrick Mooney head = rhead; 14194c87aefeSPatrick Mooney } 14204c87aefeSPatrick Mooney pthread_mutex_lock(&sc->esc_mtx); 14214c87aefeSPatrick Mooney 14224c87aefeSPatrick Mooney sc->esc_TDH = head; 14234c87aefeSPatrick Mooney sc->esc_TDHr = rhead; 14244c87aefeSPatrick Mooney cause = 0; 14254c87aefeSPatrick Mooney if (tdwb) 14264c87aefeSPatrick Mooney cause |= E1000_ICR_TXDW; 14274c87aefeSPatrick Mooney if (lim != size / 4 && sc->esc_TDH == sc->esc_TDT) 14284c87aefeSPatrick Mooney cause |= E1000_ICR_TXQE; 14294c87aefeSPatrick Mooney if (cause) 14304c87aefeSPatrick Mooney e82545_icr_assert(sc, cause); 14314c87aefeSPatrick Mooney 14324c87aefeSPatrick Mooney DPRINTF("tx_run done: head %x, rhead %x, tail %x\r\n", 14334c87aefeSPatrick Mooney sc->esc_TDH, sc->esc_TDHr, sc->esc_TDT); 14344c87aefeSPatrick Mooney } 14354c87aefeSPatrick Mooney 14364c87aefeSPatrick Mooney static void * 14374c87aefeSPatrick Mooney e82545_tx_thread(void *param) 14384c87aefeSPatrick Mooney { 14394c87aefeSPatrick Mooney struct e82545_softc *sc = param; 14404c87aefeSPatrick Mooney 14414c87aefeSPatrick Mooney pthread_mutex_lock(&sc->esc_mtx); 14424c87aefeSPatrick Mooney for (;;) { 14434c87aefeSPatrick Mooney while (!sc->esc_tx_enabled || sc->esc_TDHr == sc->esc_TDT) { 14444c87aefeSPatrick Mooney if (sc->esc_tx_enabled && sc->esc_TDHr != sc->esc_TDT) 14454c87aefeSPatrick Mooney break; 14464c87aefeSPatrick Mooney sc->esc_tx_active = 0; 14474c87aefeSPatrick Mooney if (sc->esc_tx_enabled == 0) 14484c87aefeSPatrick Mooney pthread_cond_signal(&sc->esc_tx_cond); 14494c87aefeSPatrick Mooney pthread_cond_wait(&sc->esc_tx_cond, &sc->esc_mtx); 14504c87aefeSPatrick Mooney } 14514c87aefeSPatrick Mooney sc->esc_tx_active = 1; 14524c87aefeSPatrick Mooney 14534c87aefeSPatrick Mooney /* Process some tx descriptors. Lock dropped inside. */ 14544c87aefeSPatrick Mooney e82545_tx_run(sc); 14554c87aefeSPatrick Mooney } 14564c87aefeSPatrick Mooney #ifndef __FreeBSD__ 14574c87aefeSPatrick Mooney return (NULL); 14584c87aefeSPatrick Mooney #endif 14594c87aefeSPatrick Mooney } 14604c87aefeSPatrick Mooney 14614c87aefeSPatrick Mooney static void 14624c87aefeSPatrick Mooney e82545_tx_start(struct e82545_softc *sc) 14634c87aefeSPatrick Mooney { 14644c87aefeSPatrick Mooney 14654c87aefeSPatrick Mooney if (sc->esc_tx_active == 0) 14664c87aefeSPatrick Mooney pthread_cond_signal(&sc->esc_tx_cond); 14674c87aefeSPatrick Mooney } 14684c87aefeSPatrick Mooney 14694c87aefeSPatrick Mooney static void 14704c87aefeSPatrick Mooney e82545_tx_enable(struct e82545_softc *sc) 14714c87aefeSPatrick Mooney { 14724c87aefeSPatrick Mooney 14734c87aefeSPatrick Mooney sc->esc_tx_enabled = 1; 14744c87aefeSPatrick Mooney } 14754c87aefeSPatrick Mooney 14764c87aefeSPatrick Mooney static void 14774c87aefeSPatrick Mooney e82545_tx_disable(struct e82545_softc *sc) 14784c87aefeSPatrick Mooney { 14794c87aefeSPatrick Mooney 14804c87aefeSPatrick Mooney sc->esc_tx_enabled = 0; 14814c87aefeSPatrick Mooney while (sc->esc_tx_active) 14824c87aefeSPatrick Mooney pthread_cond_wait(&sc->esc_tx_cond, &sc->esc_mtx); 14834c87aefeSPatrick Mooney } 14844c87aefeSPatrick Mooney 14854c87aefeSPatrick Mooney static void 14864c87aefeSPatrick Mooney e82545_rx_enable(struct e82545_softc *sc) 14874c87aefeSPatrick Mooney { 14884c87aefeSPatrick Mooney 14894c87aefeSPatrick Mooney sc->esc_rx_enabled = 1; 14904c87aefeSPatrick Mooney } 14914c87aefeSPatrick Mooney 14924c87aefeSPatrick Mooney static void 14934c87aefeSPatrick Mooney e82545_rx_disable(struct e82545_softc *sc) 14944c87aefeSPatrick Mooney { 14954c87aefeSPatrick Mooney 14964c87aefeSPatrick Mooney sc->esc_rx_enabled = 0; 14974c87aefeSPatrick Mooney while (sc->esc_rx_active) 14984c87aefeSPatrick Mooney pthread_cond_wait(&sc->esc_rx_cond, &sc->esc_mtx); 14994c87aefeSPatrick Mooney } 15004c87aefeSPatrick Mooney 15014c87aefeSPatrick Mooney static void 15024c87aefeSPatrick Mooney e82545_write_ra(struct e82545_softc *sc, int reg, uint32_t wval) 15034c87aefeSPatrick Mooney { 15044c87aefeSPatrick Mooney struct eth_uni *eu; 15054c87aefeSPatrick Mooney int idx; 15064c87aefeSPatrick Mooney 15074c87aefeSPatrick Mooney idx = reg >> 1; 15084c87aefeSPatrick Mooney assert(idx < 15); 15094c87aefeSPatrick Mooney 15104c87aefeSPatrick Mooney eu = &sc->esc_uni[idx]; 15114c87aefeSPatrick Mooney 15124c87aefeSPatrick Mooney if (reg & 0x1) { 15134c87aefeSPatrick Mooney /* RAH */ 15144c87aefeSPatrick Mooney eu->eu_valid = ((wval & E1000_RAH_AV) == E1000_RAH_AV); 15154c87aefeSPatrick Mooney eu->eu_addrsel = (wval >> 16) & 0x3; 15164c87aefeSPatrick Mooney eu->eu_eth.octet[5] = wval >> 8; 15174c87aefeSPatrick Mooney eu->eu_eth.octet[4] = wval; 15184c87aefeSPatrick Mooney } else { 15194c87aefeSPatrick Mooney /* RAL */ 15204c87aefeSPatrick Mooney eu->eu_eth.octet[3] = wval >> 24; 15214c87aefeSPatrick Mooney eu->eu_eth.octet[2] = wval >> 16; 15224c87aefeSPatrick Mooney eu->eu_eth.octet[1] = wval >> 8; 15234c87aefeSPatrick Mooney eu->eu_eth.octet[0] = wval; 15244c87aefeSPatrick Mooney } 15254c87aefeSPatrick Mooney } 15264c87aefeSPatrick Mooney 15274c87aefeSPatrick Mooney static uint32_t 15284c87aefeSPatrick Mooney e82545_read_ra(struct e82545_softc *sc, int reg) 15294c87aefeSPatrick Mooney { 15304c87aefeSPatrick Mooney struct eth_uni *eu; 15314c87aefeSPatrick Mooney uint32_t retval; 15324c87aefeSPatrick Mooney int idx; 15334c87aefeSPatrick Mooney 15344c87aefeSPatrick Mooney idx = reg >> 1; 15354c87aefeSPatrick Mooney assert(idx < 15); 15364c87aefeSPatrick Mooney 15374c87aefeSPatrick Mooney eu = &sc->esc_uni[idx]; 15384c87aefeSPatrick Mooney 15394c87aefeSPatrick Mooney if (reg & 0x1) { 15404c87aefeSPatrick Mooney /* RAH */ 15414c87aefeSPatrick Mooney retval = (eu->eu_valid << 31) | 15424c87aefeSPatrick Mooney (eu->eu_addrsel << 16) | 15434c87aefeSPatrick Mooney (eu->eu_eth.octet[5] << 8) | 15444c87aefeSPatrick Mooney eu->eu_eth.octet[4]; 15454c87aefeSPatrick Mooney } else { 15464c87aefeSPatrick Mooney /* RAL */ 15474c87aefeSPatrick Mooney retval = (eu->eu_eth.octet[3] << 24) | 15484c87aefeSPatrick Mooney (eu->eu_eth.octet[2] << 16) | 15494c87aefeSPatrick Mooney (eu->eu_eth.octet[1] << 8) | 15504c87aefeSPatrick Mooney eu->eu_eth.octet[0]; 15514c87aefeSPatrick Mooney } 15524c87aefeSPatrick Mooney 15534c87aefeSPatrick Mooney return (retval); 15544c87aefeSPatrick Mooney } 15554c87aefeSPatrick Mooney 15564c87aefeSPatrick Mooney static void 15574c87aefeSPatrick Mooney e82545_write_register(struct e82545_softc *sc, uint32_t offset, uint32_t value) 15584c87aefeSPatrick Mooney { 15594c87aefeSPatrick Mooney int ridx; 15604c87aefeSPatrick Mooney 15614c87aefeSPatrick Mooney if (offset & 0x3) { 15624c87aefeSPatrick Mooney DPRINTF("Unaligned register write offset:0x%x value:0x%x\r\n", offset, value); 15634c87aefeSPatrick Mooney return; 15644c87aefeSPatrick Mooney } 15654c87aefeSPatrick Mooney DPRINTF("Register write: 0x%x value: 0x%x\r\n", offset, value); 15664c87aefeSPatrick Mooney 15674c87aefeSPatrick Mooney switch (offset) { 15684c87aefeSPatrick Mooney case E1000_CTRL: 15694c87aefeSPatrick Mooney case E1000_CTRL_DUP: 15704c87aefeSPatrick Mooney e82545_devctl(sc, value); 15714c87aefeSPatrick Mooney break; 15724c87aefeSPatrick Mooney case E1000_FCAL: 15734c87aefeSPatrick Mooney sc->esc_FCAL = value; 15744c87aefeSPatrick Mooney break; 15754c87aefeSPatrick Mooney case E1000_FCAH: 15764c87aefeSPatrick Mooney sc->esc_FCAH = value & ~0xFFFF0000; 15774c87aefeSPatrick Mooney break; 15784c87aefeSPatrick Mooney case E1000_FCT: 15794c87aefeSPatrick Mooney sc->esc_FCT = value & ~0xFFFF0000; 15804c87aefeSPatrick Mooney break; 15814c87aefeSPatrick Mooney case E1000_VET: 15824c87aefeSPatrick Mooney sc->esc_VET = value & ~0xFFFF0000; 15834c87aefeSPatrick Mooney break; 15844c87aefeSPatrick Mooney case E1000_FCTTV: 15854c87aefeSPatrick Mooney sc->esc_FCTTV = value & ~0xFFFF0000; 15864c87aefeSPatrick Mooney break; 15874c87aefeSPatrick Mooney case E1000_LEDCTL: 15884c87aefeSPatrick Mooney sc->esc_LEDCTL = value & ~0x30303000; 15894c87aefeSPatrick Mooney break; 15904c87aefeSPatrick Mooney case E1000_PBA: 15914c87aefeSPatrick Mooney sc->esc_PBA = value & 0x0000FF80; 15924c87aefeSPatrick Mooney break; 15934c87aefeSPatrick Mooney case E1000_ICR: 15944c87aefeSPatrick Mooney case E1000_ITR: 15954c87aefeSPatrick Mooney case E1000_ICS: 15964c87aefeSPatrick Mooney case E1000_IMS: 15974c87aefeSPatrick Mooney case E1000_IMC: 15984c87aefeSPatrick Mooney e82545_intr_write(sc, offset, value); 15994c87aefeSPatrick Mooney break; 16004c87aefeSPatrick Mooney case E1000_RCTL: 16014c87aefeSPatrick Mooney e82545_rx_ctl(sc, value); 16024c87aefeSPatrick Mooney break; 16034c87aefeSPatrick Mooney case E1000_FCRTL: 16044c87aefeSPatrick Mooney sc->esc_FCRTL = value & ~0xFFFF0007; 16054c87aefeSPatrick Mooney break; 16064c87aefeSPatrick Mooney case E1000_FCRTH: 16074c87aefeSPatrick Mooney sc->esc_FCRTH = value & ~0xFFFF0007; 16084c87aefeSPatrick Mooney break; 16094c87aefeSPatrick Mooney case E1000_RDBAL(0): 16104c87aefeSPatrick Mooney sc->esc_RDBAL = value & ~0xF; 16114c87aefeSPatrick Mooney if (sc->esc_rx_enabled) { 16124c87aefeSPatrick Mooney /* Apparently legal: update cached address */ 16134c87aefeSPatrick Mooney e82545_rx_update_rdba(sc); 16144c87aefeSPatrick Mooney } 16154c87aefeSPatrick Mooney break; 16164c87aefeSPatrick Mooney case E1000_RDBAH(0): 16174c87aefeSPatrick Mooney assert(!sc->esc_rx_enabled); 16184c87aefeSPatrick Mooney sc->esc_RDBAH = value; 16194c87aefeSPatrick Mooney break; 16204c87aefeSPatrick Mooney case E1000_RDLEN(0): 16214c87aefeSPatrick Mooney assert(!sc->esc_rx_enabled); 16224c87aefeSPatrick Mooney sc->esc_RDLEN = value & ~0xFFF0007F; 16234c87aefeSPatrick Mooney break; 16244c87aefeSPatrick Mooney case E1000_RDH(0): 16254c87aefeSPatrick Mooney /* XXX should only ever be zero ? Range check ? */ 16264c87aefeSPatrick Mooney sc->esc_RDH = value; 16274c87aefeSPatrick Mooney break; 16284c87aefeSPatrick Mooney case E1000_RDT(0): 16294c87aefeSPatrick Mooney /* XXX if this opens up the rx ring, do something ? */ 16304c87aefeSPatrick Mooney sc->esc_RDT = value; 16314c87aefeSPatrick Mooney break; 16324c87aefeSPatrick Mooney case E1000_RDTR: 16334c87aefeSPatrick Mooney /* ignore FPD bit 31 */ 16344c87aefeSPatrick Mooney sc->esc_RDTR = value & ~0xFFFF0000; 16354c87aefeSPatrick Mooney break; 16364c87aefeSPatrick Mooney case E1000_RXDCTL(0): 16374c87aefeSPatrick Mooney sc->esc_RXDCTL = value & ~0xFEC0C0C0; 16384c87aefeSPatrick Mooney break; 16394c87aefeSPatrick Mooney case E1000_RADV: 16404c87aefeSPatrick Mooney sc->esc_RADV = value & ~0xFFFF0000; 16414c87aefeSPatrick Mooney break; 16424c87aefeSPatrick Mooney case E1000_RSRPD: 16434c87aefeSPatrick Mooney sc->esc_RSRPD = value & ~0xFFFFF000; 16444c87aefeSPatrick Mooney break; 16454c87aefeSPatrick Mooney case E1000_RXCSUM: 16464c87aefeSPatrick Mooney sc->esc_RXCSUM = value & ~0xFFFFF800; 16474c87aefeSPatrick Mooney break; 16484c87aefeSPatrick Mooney case E1000_TXCW: 16494c87aefeSPatrick Mooney sc->esc_TXCW = value & ~0x3FFF0000; 16504c87aefeSPatrick Mooney break; 16514c87aefeSPatrick Mooney case E1000_TCTL: 16524c87aefeSPatrick Mooney e82545_tx_ctl(sc, value); 16534c87aefeSPatrick Mooney break; 16544c87aefeSPatrick Mooney case E1000_TIPG: 16554c87aefeSPatrick Mooney sc->esc_TIPG = value; 16564c87aefeSPatrick Mooney break; 16574c87aefeSPatrick Mooney case E1000_AIT: 16584c87aefeSPatrick Mooney sc->esc_AIT = value; 16594c87aefeSPatrick Mooney break; 16604c87aefeSPatrick Mooney case E1000_TDBAL(0): 16614c87aefeSPatrick Mooney sc->esc_TDBAL = value & ~0xF; 16624c87aefeSPatrick Mooney if (sc->esc_tx_enabled) { 16634c87aefeSPatrick Mooney /* Apparently legal */ 16644c87aefeSPatrick Mooney e82545_tx_update_tdba(sc); 16654c87aefeSPatrick Mooney } 16664c87aefeSPatrick Mooney break; 16674c87aefeSPatrick Mooney case E1000_TDBAH(0): 16684c87aefeSPatrick Mooney //assert(!sc->esc_tx_enabled); 16694c87aefeSPatrick Mooney sc->esc_TDBAH = value; 16704c87aefeSPatrick Mooney break; 16714c87aefeSPatrick Mooney case E1000_TDLEN(0): 16724c87aefeSPatrick Mooney //assert(!sc->esc_tx_enabled); 16734c87aefeSPatrick Mooney sc->esc_TDLEN = value & ~0xFFF0007F; 16744c87aefeSPatrick Mooney break; 16754c87aefeSPatrick Mooney case E1000_TDH(0): 16764c87aefeSPatrick Mooney //assert(!sc->esc_tx_enabled); 16774c87aefeSPatrick Mooney /* XXX should only ever be zero ? Range check ? */ 16784c87aefeSPatrick Mooney sc->esc_TDHr = sc->esc_TDH = value; 16794c87aefeSPatrick Mooney break; 16804c87aefeSPatrick Mooney case E1000_TDT(0): 16814c87aefeSPatrick Mooney /* XXX range check ? */ 16824c87aefeSPatrick Mooney sc->esc_TDT = value; 16834c87aefeSPatrick Mooney if (sc->esc_tx_enabled) 16844c87aefeSPatrick Mooney e82545_tx_start(sc); 16854c87aefeSPatrick Mooney break; 16864c87aefeSPatrick Mooney case E1000_TIDV: 16874c87aefeSPatrick Mooney sc->esc_TIDV = value & ~0xFFFF0000; 16884c87aefeSPatrick Mooney break; 16894c87aefeSPatrick Mooney case E1000_TXDCTL(0): 16904c87aefeSPatrick Mooney //assert(!sc->esc_tx_enabled); 16914c87aefeSPatrick Mooney sc->esc_TXDCTL = value & ~0xC0C0C0; 16924c87aefeSPatrick Mooney break; 16934c87aefeSPatrick Mooney case E1000_TADV: 16944c87aefeSPatrick Mooney sc->esc_TADV = value & ~0xFFFF0000; 16954c87aefeSPatrick Mooney break; 16964c87aefeSPatrick Mooney case E1000_RAL(0) ... E1000_RAH(15): 16974c87aefeSPatrick Mooney /* convert to u32 offset */ 16984c87aefeSPatrick Mooney ridx = (offset - E1000_RAL(0)) >> 2; 16994c87aefeSPatrick Mooney e82545_write_ra(sc, ridx, value); 17004c87aefeSPatrick Mooney break; 17014c87aefeSPatrick Mooney case E1000_MTA ... (E1000_MTA + (127*4)): 17024c87aefeSPatrick Mooney sc->esc_fmcast[(offset - E1000_MTA) >> 2] = value; 17034c87aefeSPatrick Mooney break; 17044c87aefeSPatrick Mooney case E1000_VFTA ... (E1000_VFTA + (127*4)): 17054c87aefeSPatrick Mooney sc->esc_fvlan[(offset - E1000_VFTA) >> 2] = value; 17064c87aefeSPatrick Mooney break; 17074c87aefeSPatrick Mooney case E1000_EECD: 17084c87aefeSPatrick Mooney { 17094c87aefeSPatrick Mooney //DPRINTF("EECD write 0x%x -> 0x%x\r\n", sc->eeprom_control, value); 17104c87aefeSPatrick Mooney /* edge triggered low->high */ 17114c87aefeSPatrick Mooney uint32_t eecd_strobe = ((sc->eeprom_control & E1000_EECD_SK) ? 17124c87aefeSPatrick Mooney 0 : (value & E1000_EECD_SK)); 17134c87aefeSPatrick Mooney uint32_t eecd_mask = (E1000_EECD_SK|E1000_EECD_CS| 17144c87aefeSPatrick Mooney E1000_EECD_DI|E1000_EECD_REQ); 17154c87aefeSPatrick Mooney sc->eeprom_control &= ~eecd_mask; 17164c87aefeSPatrick Mooney sc->eeprom_control |= (value & eecd_mask); 17174c87aefeSPatrick Mooney /* grant/revoke immediately */ 17184c87aefeSPatrick Mooney if (value & E1000_EECD_REQ) { 17194c87aefeSPatrick Mooney sc->eeprom_control |= E1000_EECD_GNT; 17204c87aefeSPatrick Mooney } else { 17214c87aefeSPatrick Mooney sc->eeprom_control &= ~E1000_EECD_GNT; 17224c87aefeSPatrick Mooney } 17234c87aefeSPatrick Mooney if (eecd_strobe && (sc->eeprom_control & E1000_EECD_CS)) { 17244c87aefeSPatrick Mooney e82545_eecd_strobe(sc); 17254c87aefeSPatrick Mooney } 17264c87aefeSPatrick Mooney return; 17274c87aefeSPatrick Mooney } 17284c87aefeSPatrick Mooney case E1000_MDIC: 17294c87aefeSPatrick Mooney { 17304c87aefeSPatrick Mooney uint8_t reg_addr = (uint8_t)((value & E1000_MDIC_REG_MASK) >> 17314c87aefeSPatrick Mooney E1000_MDIC_REG_SHIFT); 17324c87aefeSPatrick Mooney uint8_t phy_addr = (uint8_t)((value & E1000_MDIC_PHY_MASK) >> 17334c87aefeSPatrick Mooney E1000_MDIC_PHY_SHIFT); 17344c87aefeSPatrick Mooney sc->mdi_control = 17354c87aefeSPatrick Mooney (value & ~(E1000_MDIC_ERROR|E1000_MDIC_DEST)); 17364c87aefeSPatrick Mooney if ((value & E1000_MDIC_READY) != 0) { 17374c87aefeSPatrick Mooney DPRINTF("Incorrect MDIC ready bit: 0x%x\r\n", value); 17384c87aefeSPatrick Mooney return; 17394c87aefeSPatrick Mooney } 17404c87aefeSPatrick Mooney switch (value & E82545_MDIC_OP_MASK) { 17414c87aefeSPatrick Mooney case E1000_MDIC_OP_READ: 17424c87aefeSPatrick Mooney sc->mdi_control &= ~E82545_MDIC_DATA_MASK; 17434c87aefeSPatrick Mooney sc->mdi_control |= e82545_read_mdi(sc, reg_addr, phy_addr); 17444c87aefeSPatrick Mooney break; 17454c87aefeSPatrick Mooney case E1000_MDIC_OP_WRITE: 17464c87aefeSPatrick Mooney e82545_write_mdi(sc, reg_addr, phy_addr, 17474c87aefeSPatrick Mooney value & E82545_MDIC_DATA_MASK); 17484c87aefeSPatrick Mooney break; 17494c87aefeSPatrick Mooney default: 17504c87aefeSPatrick Mooney DPRINTF("Unknown MDIC op: 0x%x\r\n", value); 17514c87aefeSPatrick Mooney return; 17524c87aefeSPatrick Mooney } 17534c87aefeSPatrick Mooney /* TODO: barrier? */ 17544c87aefeSPatrick Mooney sc->mdi_control |= E1000_MDIC_READY; 17554c87aefeSPatrick Mooney if (value & E82545_MDIC_IE) { 17564c87aefeSPatrick Mooney // TODO: generate interrupt 17574c87aefeSPatrick Mooney } 17584c87aefeSPatrick Mooney return; 17594c87aefeSPatrick Mooney } 17604c87aefeSPatrick Mooney case E1000_MANC: 17614c87aefeSPatrick Mooney case E1000_STATUS: 17624c87aefeSPatrick Mooney return; 17634c87aefeSPatrick Mooney default: 17644c87aefeSPatrick Mooney DPRINTF("Unknown write register: 0x%x value:%x\r\n", offset, value); 17654c87aefeSPatrick Mooney return; 17664c87aefeSPatrick Mooney } 17674c87aefeSPatrick Mooney } 17684c87aefeSPatrick Mooney 17694c87aefeSPatrick Mooney static uint32_t 17704c87aefeSPatrick Mooney e82545_read_register(struct e82545_softc *sc, uint32_t offset) 17714c87aefeSPatrick Mooney { 17724c87aefeSPatrick Mooney uint32_t retval; 17734c87aefeSPatrick Mooney int ridx; 17744c87aefeSPatrick Mooney 17754c87aefeSPatrick Mooney if (offset & 0x3) { 17764c87aefeSPatrick Mooney DPRINTF("Unaligned register read offset:0x%x\r\n", offset); 17774c87aefeSPatrick Mooney return 0; 17784c87aefeSPatrick Mooney } 17794c87aefeSPatrick Mooney 17804c87aefeSPatrick Mooney DPRINTF("Register read: 0x%x\r\n", offset); 17814c87aefeSPatrick Mooney 17824c87aefeSPatrick Mooney switch (offset) { 17834c87aefeSPatrick Mooney case E1000_CTRL: 17844c87aefeSPatrick Mooney retval = sc->esc_CTRL; 17854c87aefeSPatrick Mooney break; 17864c87aefeSPatrick Mooney case E1000_STATUS: 17874c87aefeSPatrick Mooney retval = E1000_STATUS_FD | E1000_STATUS_LU | 17884c87aefeSPatrick Mooney E1000_STATUS_SPEED_1000; 17894c87aefeSPatrick Mooney break; 17904c87aefeSPatrick Mooney case E1000_FCAL: 17914c87aefeSPatrick Mooney retval = sc->esc_FCAL; 17924c87aefeSPatrick Mooney break; 17934c87aefeSPatrick Mooney case E1000_FCAH: 17944c87aefeSPatrick Mooney retval = sc->esc_FCAH; 17954c87aefeSPatrick Mooney break; 17964c87aefeSPatrick Mooney case E1000_FCT: 17974c87aefeSPatrick Mooney retval = sc->esc_FCT; 17984c87aefeSPatrick Mooney break; 17994c87aefeSPatrick Mooney case E1000_VET: 18004c87aefeSPatrick Mooney retval = sc->esc_VET; 18014c87aefeSPatrick Mooney break; 18024c87aefeSPatrick Mooney case E1000_FCTTV: 18034c87aefeSPatrick Mooney retval = sc->esc_FCTTV; 18044c87aefeSPatrick Mooney break; 18054c87aefeSPatrick Mooney case E1000_LEDCTL: 18064c87aefeSPatrick Mooney retval = sc->esc_LEDCTL; 18074c87aefeSPatrick Mooney break; 18084c87aefeSPatrick Mooney case E1000_PBA: 18094c87aefeSPatrick Mooney retval = sc->esc_PBA; 18104c87aefeSPatrick Mooney break; 18114c87aefeSPatrick Mooney case E1000_ICR: 18124c87aefeSPatrick Mooney case E1000_ITR: 18134c87aefeSPatrick Mooney case E1000_ICS: 18144c87aefeSPatrick Mooney case E1000_IMS: 18154c87aefeSPatrick Mooney case E1000_IMC: 18164c87aefeSPatrick Mooney retval = e82545_intr_read(sc, offset); 18174c87aefeSPatrick Mooney break; 18184c87aefeSPatrick Mooney case E1000_RCTL: 18194c87aefeSPatrick Mooney retval = sc->esc_RCTL; 18204c87aefeSPatrick Mooney break; 18214c87aefeSPatrick Mooney case E1000_FCRTL: 18224c87aefeSPatrick Mooney retval = sc->esc_FCRTL; 18234c87aefeSPatrick Mooney break; 18244c87aefeSPatrick Mooney case E1000_FCRTH: 18254c87aefeSPatrick Mooney retval = sc->esc_FCRTH; 18264c87aefeSPatrick Mooney break; 18274c87aefeSPatrick Mooney case E1000_RDBAL(0): 18284c87aefeSPatrick Mooney retval = sc->esc_RDBAL; 18294c87aefeSPatrick Mooney break; 18304c87aefeSPatrick Mooney case E1000_RDBAH(0): 18314c87aefeSPatrick Mooney retval = sc->esc_RDBAH; 18324c87aefeSPatrick Mooney break; 18334c87aefeSPatrick Mooney case E1000_RDLEN(0): 18344c87aefeSPatrick Mooney retval = sc->esc_RDLEN; 18354c87aefeSPatrick Mooney break; 18364c87aefeSPatrick Mooney case E1000_RDH(0): 18374c87aefeSPatrick Mooney retval = sc->esc_RDH; 18384c87aefeSPatrick Mooney break; 18394c87aefeSPatrick Mooney case E1000_RDT(0): 18404c87aefeSPatrick Mooney retval = sc->esc_RDT; 18414c87aefeSPatrick Mooney break; 18424c87aefeSPatrick Mooney case E1000_RDTR: 18434c87aefeSPatrick Mooney retval = sc->esc_RDTR; 18444c87aefeSPatrick Mooney break; 18454c87aefeSPatrick Mooney case E1000_RXDCTL(0): 18464c87aefeSPatrick Mooney retval = sc->esc_RXDCTL; 18474c87aefeSPatrick Mooney break; 18484c87aefeSPatrick Mooney case E1000_RADV: 18494c87aefeSPatrick Mooney retval = sc->esc_RADV; 18504c87aefeSPatrick Mooney break; 18514c87aefeSPatrick Mooney case E1000_RSRPD: 18524c87aefeSPatrick Mooney retval = sc->esc_RSRPD; 18534c87aefeSPatrick Mooney break; 18544c87aefeSPatrick Mooney case E1000_RXCSUM: 18554c87aefeSPatrick Mooney retval = sc->esc_RXCSUM; 18564c87aefeSPatrick Mooney break; 18574c87aefeSPatrick Mooney case E1000_TXCW: 18584c87aefeSPatrick Mooney retval = sc->esc_TXCW; 18594c87aefeSPatrick Mooney break; 18604c87aefeSPatrick Mooney case E1000_TCTL: 18614c87aefeSPatrick Mooney retval = sc->esc_TCTL; 18624c87aefeSPatrick Mooney break; 18634c87aefeSPatrick Mooney case E1000_TIPG: 18644c87aefeSPatrick Mooney retval = sc->esc_TIPG; 18654c87aefeSPatrick Mooney break; 18664c87aefeSPatrick Mooney case E1000_AIT: 18674c87aefeSPatrick Mooney retval = sc->esc_AIT; 18684c87aefeSPatrick Mooney break; 18694c87aefeSPatrick Mooney case E1000_TDBAL(0): 18704c87aefeSPatrick Mooney retval = sc->esc_TDBAL; 18714c87aefeSPatrick Mooney break; 18724c87aefeSPatrick Mooney case E1000_TDBAH(0): 18734c87aefeSPatrick Mooney retval = sc->esc_TDBAH; 18744c87aefeSPatrick Mooney break; 18754c87aefeSPatrick Mooney case E1000_TDLEN(0): 18764c87aefeSPatrick Mooney retval = sc->esc_TDLEN; 18774c87aefeSPatrick Mooney break; 18784c87aefeSPatrick Mooney case E1000_TDH(0): 18794c87aefeSPatrick Mooney retval = sc->esc_TDH; 18804c87aefeSPatrick Mooney break; 18814c87aefeSPatrick Mooney case E1000_TDT(0): 18824c87aefeSPatrick Mooney retval = sc->esc_TDT; 18834c87aefeSPatrick Mooney break; 18844c87aefeSPatrick Mooney case E1000_TIDV: 18854c87aefeSPatrick Mooney retval = sc->esc_TIDV; 18864c87aefeSPatrick Mooney break; 18874c87aefeSPatrick Mooney case E1000_TXDCTL(0): 18884c87aefeSPatrick Mooney retval = sc->esc_TXDCTL; 18894c87aefeSPatrick Mooney break; 18904c87aefeSPatrick Mooney case E1000_TADV: 18914c87aefeSPatrick Mooney retval = sc->esc_TADV; 18924c87aefeSPatrick Mooney break; 18934c87aefeSPatrick Mooney case E1000_RAL(0) ... E1000_RAH(15): 18944c87aefeSPatrick Mooney /* convert to u32 offset */ 18954c87aefeSPatrick Mooney ridx = (offset - E1000_RAL(0)) >> 2; 18964c87aefeSPatrick Mooney retval = e82545_read_ra(sc, ridx); 18974c87aefeSPatrick Mooney break; 18984c87aefeSPatrick Mooney case E1000_MTA ... (E1000_MTA + (127*4)): 18994c87aefeSPatrick Mooney retval = sc->esc_fmcast[(offset - E1000_MTA) >> 2]; 19004c87aefeSPatrick Mooney break; 19014c87aefeSPatrick Mooney case E1000_VFTA ... (E1000_VFTA + (127*4)): 19024c87aefeSPatrick Mooney retval = sc->esc_fvlan[(offset - E1000_VFTA) >> 2]; 19034c87aefeSPatrick Mooney break; 19044c87aefeSPatrick Mooney case E1000_EECD: 19054c87aefeSPatrick Mooney //DPRINTF("EECD read %x\r\n", sc->eeprom_control); 19064c87aefeSPatrick Mooney retval = sc->eeprom_control; 19074c87aefeSPatrick Mooney break; 19084c87aefeSPatrick Mooney case E1000_MDIC: 19094c87aefeSPatrick Mooney retval = sc->mdi_control; 19104c87aefeSPatrick Mooney break; 19114c87aefeSPatrick Mooney case E1000_MANC: 19124c87aefeSPatrick Mooney retval = 0; 19134c87aefeSPatrick Mooney break; 19144c87aefeSPatrick Mooney /* stats that we emulate. */ 19154c87aefeSPatrick Mooney case E1000_MPC: 19164c87aefeSPatrick Mooney retval = sc->missed_pkt_count; 19174c87aefeSPatrick Mooney break; 19184c87aefeSPatrick Mooney case E1000_PRC64: 19194c87aefeSPatrick Mooney retval = sc->pkt_rx_by_size[0]; 19204c87aefeSPatrick Mooney break; 19214c87aefeSPatrick Mooney case E1000_PRC127: 19224c87aefeSPatrick Mooney retval = sc->pkt_rx_by_size[1]; 19234c87aefeSPatrick Mooney break; 19244c87aefeSPatrick Mooney case E1000_PRC255: 19254c87aefeSPatrick Mooney retval = sc->pkt_rx_by_size[2]; 19264c87aefeSPatrick Mooney break; 19274c87aefeSPatrick Mooney case E1000_PRC511: 19284c87aefeSPatrick Mooney retval = sc->pkt_rx_by_size[3]; 19294c87aefeSPatrick Mooney break; 19304c87aefeSPatrick Mooney case E1000_PRC1023: 19314c87aefeSPatrick Mooney retval = sc->pkt_rx_by_size[4]; 19324c87aefeSPatrick Mooney break; 19334c87aefeSPatrick Mooney case E1000_PRC1522: 19344c87aefeSPatrick Mooney retval = sc->pkt_rx_by_size[5]; 19354c87aefeSPatrick Mooney break; 19364c87aefeSPatrick Mooney case E1000_GPRC: 19374c87aefeSPatrick Mooney retval = sc->good_pkt_rx_count; 19384c87aefeSPatrick Mooney break; 19394c87aefeSPatrick Mooney case E1000_BPRC: 19404c87aefeSPatrick Mooney retval = sc->bcast_pkt_rx_count; 19414c87aefeSPatrick Mooney break; 19424c87aefeSPatrick Mooney case E1000_MPRC: 19434c87aefeSPatrick Mooney retval = sc->mcast_pkt_rx_count; 19444c87aefeSPatrick Mooney break; 19454c87aefeSPatrick Mooney case E1000_GPTC: 19464c87aefeSPatrick Mooney case E1000_TPT: 19474c87aefeSPatrick Mooney retval = sc->good_pkt_tx_count; 19484c87aefeSPatrick Mooney break; 19494c87aefeSPatrick Mooney case E1000_GORCL: 19504c87aefeSPatrick Mooney retval = (uint32_t)sc->good_octets_rx; 19514c87aefeSPatrick Mooney break; 19524c87aefeSPatrick Mooney case E1000_GORCH: 19534c87aefeSPatrick Mooney retval = (uint32_t)(sc->good_octets_rx >> 32); 19544c87aefeSPatrick Mooney break; 19554c87aefeSPatrick Mooney case E1000_TOTL: 19564c87aefeSPatrick Mooney case E1000_GOTCL: 19574c87aefeSPatrick Mooney retval = (uint32_t)sc->good_octets_tx; 19584c87aefeSPatrick Mooney break; 19594c87aefeSPatrick Mooney case E1000_TOTH: 19604c87aefeSPatrick Mooney case E1000_GOTCH: 19614c87aefeSPatrick Mooney retval = (uint32_t)(sc->good_octets_tx >> 32); 19624c87aefeSPatrick Mooney break; 19634c87aefeSPatrick Mooney case E1000_ROC: 19644c87aefeSPatrick Mooney retval = sc->oversize_rx_count; 19654c87aefeSPatrick Mooney break; 19664c87aefeSPatrick Mooney case E1000_TORL: 19674c87aefeSPatrick Mooney retval = (uint32_t)(sc->good_octets_rx + sc->missed_octets); 19684c87aefeSPatrick Mooney break; 19694c87aefeSPatrick Mooney case E1000_TORH: 19704c87aefeSPatrick Mooney retval = (uint32_t)((sc->good_octets_rx + 19714c87aefeSPatrick Mooney sc->missed_octets) >> 32); 19724c87aefeSPatrick Mooney break; 19734c87aefeSPatrick Mooney case E1000_TPR: 19744c87aefeSPatrick Mooney retval = sc->good_pkt_rx_count + sc->missed_pkt_count + 19754c87aefeSPatrick Mooney sc->oversize_rx_count; 19764c87aefeSPatrick Mooney break; 19774c87aefeSPatrick Mooney case E1000_PTC64: 19784c87aefeSPatrick Mooney retval = sc->pkt_tx_by_size[0]; 19794c87aefeSPatrick Mooney break; 19804c87aefeSPatrick Mooney case E1000_PTC127: 19814c87aefeSPatrick Mooney retval = sc->pkt_tx_by_size[1]; 19824c87aefeSPatrick Mooney break; 19834c87aefeSPatrick Mooney case E1000_PTC255: 19844c87aefeSPatrick Mooney retval = sc->pkt_tx_by_size[2]; 19854c87aefeSPatrick Mooney break; 19864c87aefeSPatrick Mooney case E1000_PTC511: 19874c87aefeSPatrick Mooney retval = sc->pkt_tx_by_size[3]; 19884c87aefeSPatrick Mooney break; 19894c87aefeSPatrick Mooney case E1000_PTC1023: 19904c87aefeSPatrick Mooney retval = sc->pkt_tx_by_size[4]; 19914c87aefeSPatrick Mooney break; 19924c87aefeSPatrick Mooney case E1000_PTC1522: 19934c87aefeSPatrick Mooney retval = sc->pkt_tx_by_size[5]; 19944c87aefeSPatrick Mooney break; 19954c87aefeSPatrick Mooney case E1000_MPTC: 19964c87aefeSPatrick Mooney retval = sc->mcast_pkt_tx_count; 19974c87aefeSPatrick Mooney break; 19984c87aefeSPatrick Mooney case E1000_BPTC: 19994c87aefeSPatrick Mooney retval = sc->bcast_pkt_tx_count; 20004c87aefeSPatrick Mooney break; 20014c87aefeSPatrick Mooney case E1000_TSCTC: 20024c87aefeSPatrick Mooney retval = sc->tso_tx_count; 20034c87aefeSPatrick Mooney break; 20044c87aefeSPatrick Mooney /* stats that are always 0. */ 20054c87aefeSPatrick Mooney case E1000_CRCERRS: 20064c87aefeSPatrick Mooney case E1000_ALGNERRC: 20074c87aefeSPatrick Mooney case E1000_SYMERRS: 20084c87aefeSPatrick Mooney case E1000_RXERRC: 20094c87aefeSPatrick Mooney case E1000_SCC: 20104c87aefeSPatrick Mooney case E1000_ECOL: 20114c87aefeSPatrick Mooney case E1000_MCC: 20124c87aefeSPatrick Mooney case E1000_LATECOL: 20134c87aefeSPatrick Mooney case E1000_COLC: 20144c87aefeSPatrick Mooney case E1000_DC: 20154c87aefeSPatrick Mooney case E1000_TNCRS: 20164c87aefeSPatrick Mooney case E1000_SEC: 20174c87aefeSPatrick Mooney case E1000_CEXTERR: 20184c87aefeSPatrick Mooney case E1000_RLEC: 20194c87aefeSPatrick Mooney case E1000_XONRXC: 20204c87aefeSPatrick Mooney case E1000_XONTXC: 20214c87aefeSPatrick Mooney case E1000_XOFFRXC: 20224c87aefeSPatrick Mooney case E1000_XOFFTXC: 20234c87aefeSPatrick Mooney case E1000_FCRUC: 20244c87aefeSPatrick Mooney case E1000_RNBC: 20254c87aefeSPatrick Mooney case E1000_RUC: 20264c87aefeSPatrick Mooney case E1000_RFC: 20274c87aefeSPatrick Mooney case E1000_RJC: 20284c87aefeSPatrick Mooney case E1000_MGTPRC: 20294c87aefeSPatrick Mooney case E1000_MGTPDC: 20304c87aefeSPatrick Mooney case E1000_MGTPTC: 20314c87aefeSPatrick Mooney case E1000_TSCTFC: 20324c87aefeSPatrick Mooney retval = 0; 20334c87aefeSPatrick Mooney break; 20344c87aefeSPatrick Mooney default: 20354c87aefeSPatrick Mooney DPRINTF("Unknown read register: 0x%x\r\n", offset); 20364c87aefeSPatrick Mooney retval = 0; 20374c87aefeSPatrick Mooney break; 20384c87aefeSPatrick Mooney } 20394c87aefeSPatrick Mooney 20404c87aefeSPatrick Mooney return (retval); 20414c87aefeSPatrick Mooney } 20424c87aefeSPatrick Mooney 20434c87aefeSPatrick Mooney static void 20444c87aefeSPatrick Mooney e82545_write(struct vmctx *ctx, int vcpu, struct pci_devinst *pi, int baridx, 20454c87aefeSPatrick Mooney uint64_t offset, int size, uint64_t value) 20464c87aefeSPatrick Mooney { 20474c87aefeSPatrick Mooney struct e82545_softc *sc; 20484c87aefeSPatrick Mooney 20494c87aefeSPatrick Mooney //DPRINTF("Write bar:%d offset:0x%lx value:0x%lx size:%d\r\n", baridx, offset, value, size); 20504c87aefeSPatrick Mooney 20514c87aefeSPatrick Mooney sc = pi->pi_arg; 20524c87aefeSPatrick Mooney 20534c87aefeSPatrick Mooney pthread_mutex_lock(&sc->esc_mtx); 20544c87aefeSPatrick Mooney 20554c87aefeSPatrick Mooney switch (baridx) { 20564c87aefeSPatrick Mooney case E82545_BAR_IO: 20574c87aefeSPatrick Mooney switch (offset) { 20584c87aefeSPatrick Mooney case E82545_IOADDR: 20594c87aefeSPatrick Mooney if (size != 4) { 20604c87aefeSPatrick Mooney DPRINTF("Wrong io addr write sz:%d value:0x%lx\r\n", size, value); 20614c87aefeSPatrick Mooney } else 20624c87aefeSPatrick Mooney sc->io_addr = (uint32_t)value; 20634c87aefeSPatrick Mooney break; 20644c87aefeSPatrick Mooney case E82545_IODATA: 20654c87aefeSPatrick Mooney if (size != 4) { 20664c87aefeSPatrick Mooney DPRINTF("Wrong io data write size:%d value:0x%lx\r\n", size, value); 20674c87aefeSPatrick Mooney } else if (sc->io_addr > E82545_IO_REGISTER_MAX) { 20684c87aefeSPatrick Mooney DPRINTF("Non-register io write addr:0x%x value:0x%lx\r\n", sc->io_addr, value); 20694c87aefeSPatrick Mooney } else 20704c87aefeSPatrick Mooney e82545_write_register(sc, sc->io_addr, 20714c87aefeSPatrick Mooney (uint32_t)value); 20724c87aefeSPatrick Mooney break; 20734c87aefeSPatrick Mooney default: 20744c87aefeSPatrick Mooney DPRINTF("Unknown io bar write offset:0x%lx value:0x%lx size:%d\r\n", offset, value, size); 20754c87aefeSPatrick Mooney break; 20764c87aefeSPatrick Mooney } 20774c87aefeSPatrick Mooney break; 20784c87aefeSPatrick Mooney case E82545_BAR_REGISTER: 20794c87aefeSPatrick Mooney if (size != 4) { 20804c87aefeSPatrick Mooney DPRINTF("Wrong register write size:%d offset:0x%lx value:0x%lx\r\n", size, offset, value); 20814c87aefeSPatrick Mooney } else 20824c87aefeSPatrick Mooney e82545_write_register(sc, (uint32_t)offset, 20834c87aefeSPatrick Mooney (uint32_t)value); 20844c87aefeSPatrick Mooney break; 20854c87aefeSPatrick Mooney default: 20864c87aefeSPatrick Mooney DPRINTF("Unknown write bar:%d off:0x%lx val:0x%lx size:%d\r\n", 20874c87aefeSPatrick Mooney baridx, offset, value, size); 20884c87aefeSPatrick Mooney } 20894c87aefeSPatrick Mooney 20904c87aefeSPatrick Mooney pthread_mutex_unlock(&sc->esc_mtx); 20914c87aefeSPatrick Mooney } 20924c87aefeSPatrick Mooney 20934c87aefeSPatrick Mooney static uint64_t 20944c87aefeSPatrick Mooney e82545_read(struct vmctx *ctx, int vcpu, struct pci_devinst *pi, int baridx, 20954c87aefeSPatrick Mooney uint64_t offset, int size) 20964c87aefeSPatrick Mooney { 20974c87aefeSPatrick Mooney struct e82545_softc *sc; 20984c87aefeSPatrick Mooney uint64_t retval; 20994c87aefeSPatrick Mooney 21004c87aefeSPatrick Mooney //DPRINTF("Read bar:%d offset:0x%lx size:%d\r\n", baridx, offset, size); 21014c87aefeSPatrick Mooney sc = pi->pi_arg; 21024c87aefeSPatrick Mooney retval = 0; 21034c87aefeSPatrick Mooney 21044c87aefeSPatrick Mooney pthread_mutex_lock(&sc->esc_mtx); 21054c87aefeSPatrick Mooney 21064c87aefeSPatrick Mooney switch (baridx) { 21074c87aefeSPatrick Mooney case E82545_BAR_IO: 21084c87aefeSPatrick Mooney switch (offset) { 21094c87aefeSPatrick Mooney case E82545_IOADDR: 21104c87aefeSPatrick Mooney if (size != 4) { 21114c87aefeSPatrick Mooney DPRINTF("Wrong io addr read sz:%d\r\n", size); 21124c87aefeSPatrick Mooney } else 21134c87aefeSPatrick Mooney retval = sc->io_addr; 21144c87aefeSPatrick Mooney break; 21154c87aefeSPatrick Mooney case E82545_IODATA: 21164c87aefeSPatrick Mooney if (size != 4) { 21174c87aefeSPatrick Mooney DPRINTF("Wrong io data read sz:%d\r\n", size); 21184c87aefeSPatrick Mooney } 21194c87aefeSPatrick Mooney if (sc->io_addr > E82545_IO_REGISTER_MAX) { 21204c87aefeSPatrick Mooney DPRINTF("Non-register io read addr:0x%x\r\n", 21214c87aefeSPatrick Mooney sc->io_addr); 21224c87aefeSPatrick Mooney } else 21234c87aefeSPatrick Mooney retval = e82545_read_register(sc, sc->io_addr); 21244c87aefeSPatrick Mooney break; 21254c87aefeSPatrick Mooney default: 21264c87aefeSPatrick Mooney DPRINTF("Unknown io bar read offset:0x%lx size:%d\r\n", 21274c87aefeSPatrick Mooney offset, size); 21284c87aefeSPatrick Mooney break; 21294c87aefeSPatrick Mooney } 21304c87aefeSPatrick Mooney break; 21314c87aefeSPatrick Mooney case E82545_BAR_REGISTER: 21324c87aefeSPatrick Mooney if (size != 4) { 21334c87aefeSPatrick Mooney DPRINTF("Wrong register read size:%d offset:0x%lx\r\n", 21344c87aefeSPatrick Mooney size, offset); 21354c87aefeSPatrick Mooney } else 21364c87aefeSPatrick Mooney retval = e82545_read_register(sc, (uint32_t)offset); 21374c87aefeSPatrick Mooney break; 21384c87aefeSPatrick Mooney default: 21394c87aefeSPatrick Mooney DPRINTF("Unknown read bar:%d offset:0x%lx size:%d\r\n", 21404c87aefeSPatrick Mooney baridx, offset, size); 21414c87aefeSPatrick Mooney break; 21424c87aefeSPatrick Mooney } 21434c87aefeSPatrick Mooney 21444c87aefeSPatrick Mooney pthread_mutex_unlock(&sc->esc_mtx); 21454c87aefeSPatrick Mooney 21464c87aefeSPatrick Mooney return (retval); 21474c87aefeSPatrick Mooney } 21484c87aefeSPatrick Mooney 21494c87aefeSPatrick Mooney static void 21504c87aefeSPatrick Mooney e82545_reset(struct e82545_softc *sc, int drvr) 21514c87aefeSPatrick Mooney { 21524c87aefeSPatrick Mooney int i; 21534c87aefeSPatrick Mooney 21544c87aefeSPatrick Mooney e82545_rx_disable(sc); 21554c87aefeSPatrick Mooney e82545_tx_disable(sc); 21564c87aefeSPatrick Mooney 21574c87aefeSPatrick Mooney /* clear outstanding interrupts */ 21584c87aefeSPatrick Mooney if (sc->esc_irq_asserted) 21594c87aefeSPatrick Mooney pci_lintr_deassert(sc->esc_pi); 21604c87aefeSPatrick Mooney 21614c87aefeSPatrick Mooney /* misc */ 21624c87aefeSPatrick Mooney if (!drvr) { 21634c87aefeSPatrick Mooney sc->esc_FCAL = 0; 21644c87aefeSPatrick Mooney sc->esc_FCAH = 0; 21654c87aefeSPatrick Mooney sc->esc_FCT = 0; 21664c87aefeSPatrick Mooney sc->esc_VET = 0; 21674c87aefeSPatrick Mooney sc->esc_FCTTV = 0; 21684c87aefeSPatrick Mooney } 21694c87aefeSPatrick Mooney sc->esc_LEDCTL = 0x07061302; 21704c87aefeSPatrick Mooney sc->esc_PBA = 0x00100030; 21714c87aefeSPatrick Mooney 21724c87aefeSPatrick Mooney /* start nvm in opcode mode. */ 21734c87aefeSPatrick Mooney sc->nvm_opaddr = 0; 21744c87aefeSPatrick Mooney sc->nvm_mode = E82545_NVM_MODE_OPADDR; 21754c87aefeSPatrick Mooney sc->nvm_bits = E82545_NVM_OPADDR_BITS; 21764c87aefeSPatrick Mooney sc->eeprom_control = E1000_EECD_PRES | E82545_EECD_FWE_EN; 21774c87aefeSPatrick Mooney e82545_init_eeprom(sc); 21784c87aefeSPatrick Mooney 21794c87aefeSPatrick Mooney /* interrupt */ 21804c87aefeSPatrick Mooney sc->esc_ICR = 0; 21814c87aefeSPatrick Mooney sc->esc_ITR = 250; 21824c87aefeSPatrick Mooney sc->esc_ICS = 0; 21834c87aefeSPatrick Mooney sc->esc_IMS = 0; 21844c87aefeSPatrick Mooney sc->esc_IMC = 0; 21854c87aefeSPatrick Mooney 21864c87aefeSPatrick Mooney /* L2 filters */ 21874c87aefeSPatrick Mooney if (!drvr) { 21884c87aefeSPatrick Mooney memset(sc->esc_fvlan, 0, sizeof(sc->esc_fvlan)); 21894c87aefeSPatrick Mooney memset(sc->esc_fmcast, 0, sizeof(sc->esc_fmcast)); 21904c87aefeSPatrick Mooney memset(sc->esc_uni, 0, sizeof(sc->esc_uni)); 21914c87aefeSPatrick Mooney 21924c87aefeSPatrick Mooney /* XXX not necessary on 82545 ?? */ 21934c87aefeSPatrick Mooney sc->esc_uni[0].eu_valid = 1; 21944c87aefeSPatrick Mooney memcpy(sc->esc_uni[0].eu_eth.octet, sc->esc_mac.octet, 21954c87aefeSPatrick Mooney ETHER_ADDR_LEN); 21964c87aefeSPatrick Mooney } else { 21974c87aefeSPatrick Mooney /* Clear RAH valid bits */ 21984c87aefeSPatrick Mooney for (i = 0; i < 16; i++) 21994c87aefeSPatrick Mooney sc->esc_uni[i].eu_valid = 0; 22004c87aefeSPatrick Mooney } 22014c87aefeSPatrick Mooney 22024c87aefeSPatrick Mooney /* receive */ 22034c87aefeSPatrick Mooney if (!drvr) { 22044c87aefeSPatrick Mooney sc->esc_RDBAL = 0; 22054c87aefeSPatrick Mooney sc->esc_RDBAH = 0; 22064c87aefeSPatrick Mooney } 22074c87aefeSPatrick Mooney sc->esc_RCTL = 0; 22084c87aefeSPatrick Mooney sc->esc_FCRTL = 0; 22094c87aefeSPatrick Mooney sc->esc_FCRTH = 0; 22104c87aefeSPatrick Mooney sc->esc_RDLEN = 0; 22114c87aefeSPatrick Mooney sc->esc_RDH = 0; 22124c87aefeSPatrick Mooney sc->esc_RDT = 0; 22134c87aefeSPatrick Mooney sc->esc_RDTR = 0; 22144c87aefeSPatrick Mooney sc->esc_RXDCTL = (1 << 24) | (1 << 16); /* default GRAN/WTHRESH */ 22154c87aefeSPatrick Mooney sc->esc_RADV = 0; 22164c87aefeSPatrick Mooney sc->esc_RXCSUM = 0; 22174c87aefeSPatrick Mooney 22184c87aefeSPatrick Mooney /* transmit */ 22194c87aefeSPatrick Mooney if (!drvr) { 22204c87aefeSPatrick Mooney sc->esc_TDBAL = 0; 22214c87aefeSPatrick Mooney sc->esc_TDBAH = 0; 22224c87aefeSPatrick Mooney sc->esc_TIPG = 0; 22234c87aefeSPatrick Mooney sc->esc_AIT = 0; 22244c87aefeSPatrick Mooney sc->esc_TIDV = 0; 22254c87aefeSPatrick Mooney sc->esc_TADV = 0; 22264c87aefeSPatrick Mooney } 22274c87aefeSPatrick Mooney sc->esc_tdba = 0; 22284c87aefeSPatrick Mooney sc->esc_txdesc = NULL; 22294c87aefeSPatrick Mooney sc->esc_TXCW = 0; 22304c87aefeSPatrick Mooney sc->esc_TCTL = 0; 22314c87aefeSPatrick Mooney sc->esc_TDLEN = 0; 22324c87aefeSPatrick Mooney sc->esc_TDT = 0; 22334c87aefeSPatrick Mooney sc->esc_TDHr = sc->esc_TDH = 0; 22344c87aefeSPatrick Mooney sc->esc_TXDCTL = 0; 22354c87aefeSPatrick Mooney } 22364c87aefeSPatrick Mooney 22374c87aefeSPatrick Mooney static void 22384c87aefeSPatrick Mooney e82545_open_tap(struct e82545_softc *sc, char *opts) 22394c87aefeSPatrick Mooney { 22404c87aefeSPatrick Mooney char tbuf[80]; 22414c87aefeSPatrick Mooney #ifndef WITHOUT_CAPSICUM 22424c87aefeSPatrick Mooney cap_rights_t rights; 22434c87aefeSPatrick Mooney #endif 22444c87aefeSPatrick Mooney 22454c87aefeSPatrick Mooney if (opts == NULL) { 22464c87aefeSPatrick Mooney sc->esc_tapfd = -1; 22474c87aefeSPatrick Mooney return; 22484c87aefeSPatrick Mooney } 22494c87aefeSPatrick Mooney 22504c87aefeSPatrick Mooney strcpy(tbuf, "/dev/"); 22514c87aefeSPatrick Mooney strlcat(tbuf, opts, sizeof(tbuf)); 22524c87aefeSPatrick Mooney 22534c87aefeSPatrick Mooney sc->esc_tapfd = open(tbuf, O_RDWR); 22544c87aefeSPatrick Mooney if (sc->esc_tapfd == -1) { 22554c87aefeSPatrick Mooney DPRINTF("unable to open tap device %s\n", opts); 22564c87aefeSPatrick Mooney exit(4); 22574c87aefeSPatrick Mooney } 22584c87aefeSPatrick Mooney 22594c87aefeSPatrick Mooney /* 22604c87aefeSPatrick Mooney * Set non-blocking and register for read 22614c87aefeSPatrick Mooney * notifications with the event loop 22624c87aefeSPatrick Mooney */ 22634c87aefeSPatrick Mooney int opt = 1; 22644c87aefeSPatrick Mooney if (ioctl(sc->esc_tapfd, FIONBIO, &opt) < 0) { 22654c87aefeSPatrick Mooney WPRINTF("tap device O_NONBLOCK failed: %d\n", errno); 22664c87aefeSPatrick Mooney close(sc->esc_tapfd); 22674c87aefeSPatrick Mooney sc->esc_tapfd = -1; 22684c87aefeSPatrick Mooney } 22694c87aefeSPatrick Mooney 22704c87aefeSPatrick Mooney #ifndef WITHOUT_CAPSICUM 22714c87aefeSPatrick Mooney cap_rights_init(&rights, CAP_EVENT, CAP_READ, CAP_WRITE); 22724c87aefeSPatrick Mooney if (caph_rights_limit(sc->esc_tapfd, &rights) == -1) 22734c87aefeSPatrick Mooney errx(EX_OSERR, "Unable to apply rights for sandbox"); 22744c87aefeSPatrick Mooney #endif 22754c87aefeSPatrick Mooney 22764c87aefeSPatrick Mooney #ifdef __FreeBSD__ 22774c87aefeSPatrick Mooney sc->esc_mevp = mevent_add(sc->esc_tapfd, 22784c87aefeSPatrick Mooney EVF_READ, 22794c87aefeSPatrick Mooney e82545_tap_callback, 22804c87aefeSPatrick Mooney sc); 22814c87aefeSPatrick Mooney if (sc->esc_mevp == NULL) { 22824c87aefeSPatrick Mooney DPRINTF("Could not register mevent %d\n", EVF_READ); 22834c87aefeSPatrick Mooney close(sc->esc_tapfd); 22844c87aefeSPatrick Mooney sc->esc_tapfd = -1; 22854c87aefeSPatrick Mooney } 22864c87aefeSPatrick Mooney #endif 22874c87aefeSPatrick Mooney } 22884c87aefeSPatrick Mooney 22894c87aefeSPatrick Mooney static int 22904c87aefeSPatrick Mooney e82545_init(struct vmctx *ctx, struct pci_devinst *pi, char *opts) 22914c87aefeSPatrick Mooney { 22924c87aefeSPatrick Mooney char nstr[80]; 22934c87aefeSPatrick Mooney struct e82545_softc *sc; 22944c87aefeSPatrick Mooney char *devname; 22954c87aefeSPatrick Mooney char *vtopts; 22964c87aefeSPatrick Mooney int mac_provided; 22974c87aefeSPatrick Mooney 2298*84659b24SMichael Zeller DPRINTF("Loading with options: %s\r\n", opts); 2299*84659b24SMichael Zeller 23004c87aefeSPatrick Mooney /* Setup our softc */ 23014c87aefeSPatrick Mooney sc = calloc(1, sizeof(*sc)); 23024c87aefeSPatrick Mooney 23034c87aefeSPatrick Mooney pi->pi_arg = sc; 23044c87aefeSPatrick Mooney sc->esc_pi = pi; 23054c87aefeSPatrick Mooney sc->esc_ctx = ctx; 23064c87aefeSPatrick Mooney 23074c87aefeSPatrick Mooney pthread_mutex_init(&sc->esc_mtx, NULL); 23084c87aefeSPatrick Mooney pthread_cond_init(&sc->esc_rx_cond, NULL); 23094c87aefeSPatrick Mooney pthread_cond_init(&sc->esc_tx_cond, NULL); 23104c87aefeSPatrick Mooney pthread_create(&sc->esc_tx_tid, NULL, e82545_tx_thread, sc); 23114c87aefeSPatrick Mooney snprintf(nstr, sizeof(nstr), "e82545-%d:%d tx", pi->pi_slot, 23124c87aefeSPatrick Mooney pi->pi_func); 23134c87aefeSPatrick Mooney pthread_set_name_np(sc->esc_tx_tid, nstr); 23144c87aefeSPatrick Mooney 23154c87aefeSPatrick Mooney pci_set_cfgdata16(pi, PCIR_DEVICE, E82545_DEV_ID_82545EM_COPPER); 23164c87aefeSPatrick Mooney pci_set_cfgdata16(pi, PCIR_VENDOR, E82545_VENDOR_ID_INTEL); 23174c87aefeSPatrick Mooney pci_set_cfgdata8(pi, PCIR_CLASS, PCIC_NETWORK); 23184c87aefeSPatrick Mooney pci_set_cfgdata8(pi, PCIR_SUBCLASS, PCIS_NETWORK_ETHERNET); 23194c87aefeSPatrick Mooney pci_set_cfgdata16(pi, PCIR_SUBDEV_0, E82545_SUBDEV_ID); 23204c87aefeSPatrick Mooney pci_set_cfgdata16(pi, PCIR_SUBVEND_0, E82545_VENDOR_ID_INTEL); 23214c87aefeSPatrick Mooney 23224c87aefeSPatrick Mooney pci_set_cfgdata8(pi, PCIR_HDRTYPE, PCIM_HDRTYPE_NORMAL); 23234c87aefeSPatrick Mooney pci_set_cfgdata8(pi, PCIR_INTPIN, 0x1); 23244c87aefeSPatrick Mooney 23254c87aefeSPatrick Mooney /* TODO: this card also supports msi, but the freebsd driver for it 23264c87aefeSPatrick Mooney * does not, so I have not implemented it. */ 23274c87aefeSPatrick Mooney pci_lintr_request(pi); 23284c87aefeSPatrick Mooney 23294c87aefeSPatrick Mooney pci_emul_alloc_bar(pi, E82545_BAR_REGISTER, PCIBAR_MEM32, 23304c87aefeSPatrick Mooney E82545_BAR_REGISTER_LEN); 23314c87aefeSPatrick Mooney pci_emul_alloc_bar(pi, E82545_BAR_FLASH, PCIBAR_MEM32, 23324c87aefeSPatrick Mooney E82545_BAR_FLASH_LEN); 23334c87aefeSPatrick Mooney pci_emul_alloc_bar(pi, E82545_BAR_IO, PCIBAR_IO, 23344c87aefeSPatrick Mooney E82545_BAR_IO_LEN); 23354c87aefeSPatrick Mooney 23364c87aefeSPatrick Mooney /* 23374c87aefeSPatrick Mooney * Attempt to open the tap device and read the MAC address 23384c87aefeSPatrick Mooney * if specified. Copied from virtio-net, slightly modified. 23394c87aefeSPatrick Mooney */ 23404c87aefeSPatrick Mooney mac_provided = 0; 23414c87aefeSPatrick Mooney sc->esc_tapfd = -1; 23424c87aefeSPatrick Mooney if (opts != NULL) { 23434c87aefeSPatrick Mooney int err; 23444c87aefeSPatrick Mooney 23454c87aefeSPatrick Mooney devname = vtopts = strdup(opts); 23464c87aefeSPatrick Mooney (void) strsep(&vtopts, ","); 23474c87aefeSPatrick Mooney 23484c87aefeSPatrick Mooney if (vtopts != NULL) { 2349*84659b24SMichael Zeller err = net_parsemac(vtopts, sc->esc_mac.octet); 23504c87aefeSPatrick Mooney if (err != 0) { 23514c87aefeSPatrick Mooney free(devname); 23524c87aefeSPatrick Mooney return (err); 23534c87aefeSPatrick Mooney } 23544c87aefeSPatrick Mooney mac_provided = 1; 23554c87aefeSPatrick Mooney } 23564c87aefeSPatrick Mooney 23574c87aefeSPatrick Mooney if (strncmp(devname, "tap", 3) == 0 || 23584c87aefeSPatrick Mooney strncmp(devname, "vmnet", 5) == 0) 23594c87aefeSPatrick Mooney e82545_open_tap(sc, devname); 23604c87aefeSPatrick Mooney 23614c87aefeSPatrick Mooney free(devname); 23624c87aefeSPatrick Mooney } 23634c87aefeSPatrick Mooney 23644c87aefeSPatrick Mooney if (!mac_provided) { 2365*84659b24SMichael Zeller net_genmac(pi, sc->esc_mac.octet); 23664c87aefeSPatrick Mooney } 23674c87aefeSPatrick Mooney 23684c87aefeSPatrick Mooney /* H/w initiated reset */ 23694c87aefeSPatrick Mooney e82545_reset(sc, 0); 23704c87aefeSPatrick Mooney 23714c87aefeSPatrick Mooney return (0); 23724c87aefeSPatrick Mooney } 23734c87aefeSPatrick Mooney 23744c87aefeSPatrick Mooney struct pci_devemu pci_de_e82545 = { 23754c87aefeSPatrick Mooney .pe_emu = "e1000", 23764c87aefeSPatrick Mooney .pe_init = e82545_init, 23774c87aefeSPatrick Mooney .pe_barwrite = e82545_write, 23784c87aefeSPatrick Mooney .pe_barread = e82545_read 23794c87aefeSPatrick Mooney }; 23804c87aefeSPatrick Mooney PCI_EMUL_SET(pci_de_e82545); 23814c87aefeSPatrick Mooney 2382