From: Jack Lange Date: Tue, 26 Jan 2010 05:27:23 +0000 (-0600) Subject: removed ne2k X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?p=palacios.git;a=commitdiff_plain;h=99af50a89f5eb27e7e1c84aba01d72c06edc229a removed ne2k --- diff --git a/palacios/src/devices/Kconfig b/palacios/src/devices/Kconfig index 00578cd..3017cd4 100644 --- a/palacios/src/devices/Kconfig +++ b/palacios/src/devices/Kconfig @@ -149,19 +149,6 @@ config DEBUG_VIRTIO_NET Enable debugging for the Linux Virtio Network Device -config NE2K - bool "NE2K" - depends on EXPERIMENTAL - default n - help - Includes the Virtual NE2K network card - -config DEBUG_NE2k - bool "NE2K debugging" - depends on NE2k && DEBUG_ON - help - Enable debugging for the NE2K - diff --git a/palacios/src/devices/Makefile b/palacios/src/devices/Makefile index a9b7f54..1aeb3f4 100644 --- a/palacios/src/devices/Makefile +++ b/palacios/src/devices/Makefile @@ -19,7 +19,6 @@ obj-$(CONFIG_SYM_SWAP) += sym_swap.o obj-$(CONFIG_SYM_SWAP2) += sym_swap2.o obj-$(CONFIG_DISK_MODEL) += disk_model.o -obj-$(CONFIG_NE2K) += ne2k.o obj-$(CONFIG_TMPDISK) += tmpdisk.o obj-$(CONFIG_RAMDISK) += ramdisk.o diff --git a/palacios/src/devices/ne2k.c b/palacios/src/devices/ne2k.c deleted file mode 100644 index 9df0871..0000000 --- a/palacios/src/devices/ne2k.c +++ /dev/null @@ -1,1192 +0,0 @@ -/* - * This file is part of the Palacios Virtual Machine Monitor developed - * by the V3VEE Project with funding from the United States National - * Science Foundation and the Department of Energy. - * - * The V3VEE Project is a joint project between Northwestern University - * and the University of New Mexico. You can find out more at - * http://www.v3vee.org - * - * Copyright (c) 2009, Lei Xia - * Copyright (c) 2009, The V3VEE Project - * All rights reserved. - * - * Author: Lei Xia - * - * This is free software. You are permitted to use, - * redistribute, and modify it as specified in the file "V3VEE_LICENSE". - */ - -/* -* Virtual NE2K Network Card -*/ - -#include -#include -#include -#include -#include -#include -#include - -#ifndef CONFIG_DEBUG_NE2K -#undef PrintDebug -#define PrintDebug(fmts, args...) -#endif - - - - -#define NE2K_DEFAULT_IRQ 11 - -#define MAX_ETH_FRAME_SIZE 1514 - - -// What the hell is this crap? -#define NE2K_PMEM_SIZE (32 * 1024) -#define NE2K_PMEM_START (16 * 1024) -#define NE2K_PMEM_END (NE2K_PMEM_SIZE + NE2K_PMEM_START) -#define NE2K_MEM_SIZE NE2K_PMEM_END - -#define NIC_REG_BASE_PORT 0xc100 //Command register (for all pages) -#define NIC_DATA_PORT 0xc110 //Data read/write port -#define NIC_RESET_PORT 0xc11f //Data read/write port - -// Page 0 registers -#define EN0_CLDALO 0x01 //Low byte of current local dma addr RD -#define EN0_STARTPG 0x01 //Starting page of ring bfr WR -#define EN0_CLDAHI 0x02 //High byte of current local dma addr RD -#define EN0_STOPPG 0x02 //Ending page +1 of ring bfr WR -#define EN0_BOUNDARY 0x03 //Boundary page of ring bfr RD WR -#define EN0_TSR 0x04 //Transmit status reg RD -#define EN0_TPSR 0x04 //Transmit starting page WR -#define EN0_NCR 0x05 //Number of collision reg RD -#define EN0_TCNTLO 0x05 //Low byte of tx byte count WR -#define EN0_FIFO 0x06 //FIFO RD -#define EN0_TCNTHI 0x06 //High byte of tx byte count WR -#define EN0_ISR 0x07 //Interrupt status reg RD WR -#define EN0_CRDALO 0x08 //low byte of current remote dma address RD -#define EN0_RSARLO 0x08 //Remote start address reg 0 -#define EN0_CRDAHI 0x09 //high byte, current remote dma address RD -#define EN0_RSARHI 0x09 //Remote start address reg 1 -#define EN0_RCNTLO 0x0a //Remote byte count reg WR -#define EN0_RTL8029ID0 0x0a //Realtek ID byte #1 RD -#define EN0_RCNTHI 0x0b //Remote byte count reg WR -#define EN0_RTL8029ID1 0x0b //Realtek ID byte #2 RD -#define EN0_RSR 0x0c //rx status reg RD -#define EN0_RXCR 0x0c //RX configuration reg WR -#define EN0_TXCR 0x0d //TX configuration reg WR -#define EN0_COUNTER0 0x0d //Rcv alignment error counter RD -#define EN0_DCFG 0x0e //Data configuration reg WR -#define EN0_COUNTER1 0x0e //Rcv CRC error counter RD -#define EN0_IMR 0x0f //Interrupt mask reg WR -#define EN0_COUNTER2 0x0f //Rcv missed frame error counter RD - -//Page 1 registers -#define EN1_PHYS 0x01 -#define EN1_CURPAG 0x07 -#define EN1_MULT 0x08 - -//Page 2 registers -#define EN2_STARTPG 0x01 //Starting page of ring bfr RD -#define EN2_STOPPG 0x02 //Ending page +1 of ring bfr RD -#define EN2_LDMA0 0x01 //Current Local DMA Address 0 WR -#define EN2_LDMA1 0x02 //Current Local DMA Address 1 WR -#define EN2_RNPR 0x03 //Remote Next Packet Pointer RD WR -#define EN2_TPSR 0x04 //Transmit Page Start Address RD -#define EN2_LNRP 0x05 //Local Next Packet Pointer RD WR -#define EN2_ACNT0 0x06 //Address Counter Upper WR -#define EN2_ACNT1 0x07 //Address Counter Lower WR -#define EN2_RCR 0x0c //Receive Configuration Register RD -#define EN2_TCR 0x0d //Transmit Configuration Register RD -#define EN2_DCR 0x0e //Data Configuration Register RD -#define EN2_IMR 0x0f //Interrupt Mask Register RD - -//Page 3 registers -#define EN3_CONFIG0 0x03 -#define EN3_CONFIG1 0x04 -#define EN3_CONFIG2 0x05 -#define EN3_CONFIG3 0x06 - - - -typedef enum {NIC_READY, NIC_REG_POSTED} nic_state_t; - -struct cmd_reg { - union { - uint8_t val; - struct { - uint8_t stop : 1; - uint8_t start : 1; - uint8_t tx_pkt : 1; - uint8_t rem_dma_cmd : 3; // 0=Not allowed, 1=Read, 2=Write, 3=Send Pkt, 4=Abort/Complete DMA - uint8_t pg_sel : 2; - } __attribute__((packed)); - } __attribute__((packed)); -} __attribute__((packed)); - - -struct intr_status_reg { - union { - uint8_t val; - struct { - uint8_t pkt_rx : 1; - uint8_t pkt_tx : 1; - uint8_t rx_err : 1; - uint8_t tx_err : 1; - uint8_t overwrite_warn : 1; - uint8_t cnt_overflow : 1; - uint8_t rem_dma_done : 1; - uint8_t reset_status : 1; - } __attribute__((packed)); - } __attribute__((packed)); -} __attribute__((packed)); - - -struct intr_mask_reg { - union { - uint8_t val; - struct { - uint8_t pkt_rx : 1; - uint8_t pkt_tx : 1; - uint8_t rx_err : 1; - uint8_t tx_err : 1; - uint8_t overwrite_warn : 1; - uint8_t cnt_overflow : 1; - uint8_t rem_dma_done : 1; - uint8_t rsvd : 1; - } __attribute__((packed)); - } __attribute__((packed)); -} __attribute__((packed)); - - -struct data_cfg_reg { - union { - uint8_t val; - struct { - uint8_t word_trans_sel : 1; - uint8_t byte_order_sel : 1; - uint8_t long_addr_sel : 1; - uint8_t loopback_sel : 1; - uint8_t auto_init_rem : 1; - uint8_t fifo_thresh_sel : 2; - uint8_t rsvd : 1; - } __attribute__((packed)); - } __attribute__((packed)); -} __attribute__((packed)); - - -struct tx_cfg_reg { - union { - uint8_t val; - struct { - uint8_t inhibit_crc : 1; - uint8_t enc_loop_ctrl : 2; - uint8_t auto_tx_disable : 1; - uint8_t coll_offset_en : 1; - uint8_t rsvd : 3; - } __attribute__((packed)); - } __attribute__((packed)); -} __attribute__((packed)); - -struct tx_status_reg { - union { - uint8_t val; - struct { - uint8_t pkt_tx_ok : 1; - uint8_t rsvd : 1; - uint8_t tx_collision : 1; - uint8_t tx_aborted : 1; - uint8_t carrier_lost : 1; - uint8_t fifo_underrun : 1; - uint8_t cd_heartbeat : 1; - uint8_t oow_collision : 1; - } __attribute__((packed)); - } __attribute__((packed)); -} __attribute__((packed)); - -struct rx_cfg_reg { - union { - uint8_t val; - struct { - uint8_t save_pkt_errs : 1; - uint8_t runt_pkt_ok : 1; - uint8_t bcast_ok : 1; - uint8_t mcast_ok : 1; - uint8_t prom_phys_enable : 1; - uint8_t mon_mode : 1; - uint8_t rsvd : 2; - } __attribute__((packed)); - } __attribute__((packed)); -} __attribute__((packed)); - - -struct rx_status_reg { - union { - uint8_t val; - struct { - uint8_t pkt_rx_ok : 1; - uint8_t crc_err : 1; - uint8_t frame_align_err : 1; - uint8_t fifo_overrun : 1; - uint8_t missed_pkt : 1; - uint8_t phy_match : 1; // 0=Physical Addr Match, 1=MCAST/BCAST Addr Match - uint8_t rx_disabled : 1; - uint8_t deferring : 1; - } __attribute__((packed)); - } __attribute__((packed)); -} __attribute__((packed)); - - -struct ne2k_context { - struct guest_info * vm; - - nic_state_t dev_state; - - // Registers - struct cmd_reg cmd; - struct intr_status_reg isr; - struct intr_mask_reg imr; - struct data_cfg_reg dcr; - struct tx_cfg_reg tcr; - struct tx_status_reg tsr; - struct rx_cfg_reg rcr; - struct rx_status_reg rsr; - - uint8_t pgstart; // page start reg - uint8_t pgstop; // page stop reg - uint8_t boundary; // boundary ptr - uint8_t tpsr; // tx page start addr - uint8_t ncr; // number of collisions - uint8_t fifo; // FIFO... - - uint8_t curpag; // current page - uint8_t rnpp; // rem next pkt ptr - uint8_t lnpp; // local next pkt ptr - - uint8_t cntr0; // counter 0 (frame alignment errors) - uint8_t cntr1; // counter 1 (CRC Errors) - uint8_t cntr2; // counter 2 (missed pkt errors) - - union { // current local DMA Addr - uint16_t clda; - struct { - uint8_t clda0; - uint8_t clda1; - } __attribute__((packed)); - } __attribute__((packed)); - - - union { // current remote DMA addr - uint16_t crda; - struct { - uint8_t crda0; - uint8_t crda1; - } __attribute__((packed)); - } __attribute__((packed)); - - - union { // Remote Start Addr Reg - uint16_t rsar; - struct { - uint8_t rsar0; - uint8_t rsar1; - } __attribute__((packed)); - } __attribute__((packed)); - - - union { // TX Byte count Reg - uint16_t tbcr; - struct { - uint8_t tbcr0; - uint8_t tbcr1; - } __attribute__((packed)); - } __attribute__((packed)); - - union { // Remote Byte count Reg - uint16_t rbcr; - struct { - uint8_t rbcr0; - uint8_t rbcr1; - } __attribute__((packed)); - } __attribute__((packed)); - - - - union { // Address counter? - uint16_t addcnt; - struct { - uint8_t addcnt0; - uint8_t addcnt1; - } __attribute__((packed)); - } __attribute__((packed)); - - - uint8_t mcast_addr[8]; // multicast mask array - uint8_t mac_addr[6]; // MAC Addr - - uint8_t mem[NE2K_MEM_SIZE]; - - struct pci_device * pci_dev; - struct vm_device * pci_bus; -}; - -#define compare_mac(src, dst) !memcmp(src, dst, 6) - -#ifdef CONFIG_DEBUG_NE2K -static void dump_state(struct vm_device * dev) { - struct ne2k_context *nic_state = (struct ne2k_context *)dev->private_data; - int i; - - - PrintDebug("====NE2000: Dumping state Begin ==========\n"); - PrintDebug("Registers:\n"); - - // JRL: Dump Registers - - PrintDebug("Memory:\n"); - - for(i = 0; i < 32; i++) { - PrintDebug("0x%02x ", nic_state->mem[i]); - } - - PrintDebug("\n"); - PrintDebug("====NE2000: Dumping state End==========\n"); -} -#endif - - - -static int ne2k_update_irq(struct vm_device *dev) { - struct ne2k_context * nic_state = (struct ne2k_context *)dev->private_data; - struct pci_device * pci_dev = nic_state->pci_dev; - int irq_line = 0; - - if (pci_dev == NULL){ - PrintDebug("Ne2k: Device %p is not attached to any PCI Bus\n", nic_state); - irq_line = NE2K_DEFAULT_IRQ; - } else { - irq_line = pdev->config_header.intr_line; - } - - if (irq_line == 0){ - PrintError("Ne2k: IRQ_LINE: %d\n", irq_line); - return -1; - } - - PrintDebug("ne2k_update_irq: irq_line: %d\n", irq_line); - - - // The top bit of the ISR/IMR is reserved and does not indicate and irq event - // We mask the bit out of the irq pending check - if ((nic_state->isr.val & nic_state->imr.val) & 0x7f) { - v3_raise_irq(nic_state->vm, irq_line); - PrintDebug("Ne2k: RaiseIrq: isr: 0x%02x imr: 0x%02x\n", nic_state->isr.val, nic_state->imr.val); - } - - return 0; -} - - - -static void ne2k_init_state(struct vm_device * dev) { - struct ne2k_context * nic_state = (struct ne2k_context *)dev->private_data; - int i; - uchar_t mac[6] = {0x52, 0x54, 0x0, 0x12, 0x34, 0x60}; - - nic_state->vm = dev->vm; - - nic_state->isr.reset = 1; - nic_state->imr.val = 0x00; - nic_state->cmd.val = 0x22; - - for (i = 0; i < 5; i++) { - nic_state->mac_addr[i] = mac[i]; - } - - memset(nic_state->mcast_addr, 0xff, sizeof(nic_state->mcast_addr)); - - // Not sure what this is about.... - memset(nic_state->mem, 0xff, 32); - - memcpy(nic_state->mem, nic_state->mac_addr, 6); - nic_state->mem[14] = 0x57; - nic_state->mem[15] = 0x57; - -#ifdef CONFIG_DEBUG_NE2K - dump_state(dev); -#endif - -} - -static int ne2k_send_packet(struct vm_device *dev, uchar_t *pkt, int length) { - int i; - - PrintDebug("\nNe2k: Sending Packet\n"); - - for (i = 0; i < length; i++) { - PrintDebug("%x ",pkt[i]); - } - - PrintDebug("\n"); - - PrintError("Implement Send Packet interface\n"); - - return -1; -} - -static int ne2k_rxbuf_full(struct vm_device *dev) { - int empty; - int index; - int boundary; - struct ne2k_context * nic_state = (struct ne2k_context *)dev->private_data; - - index = nic_state->curpag << 8; - boundary = nic_state->boundary << 8; - - if (index < boundary) { - empty = boundary - index; - } else { - empty = ((nic_state->pgstop - nic_state->pgstart) << 8) - (index - boundary); - } - - if (empty < (MAX_ETH_FRAME_SIZE + 4)) { - return 1; - } - - return 0; -} - -#define MIN_BUF_SIZE 60 - - -// This needs to be completely redone... -static void ne2k_receive(struct vm_device * dev, const uchar_t * pkt, int length) { - struct ne2k_context * nic_state = (struct ne2k_context *)dev->private_data; - uchar_t * p; - uint32_t total_len; - uint32_t next; - uint32_t len; - uint32_t index; - uint32_t empty; - uchar_t buf[60]; - uint32_t start; - uint32_t stop; - - start = nic_state->pgstart << 8; - stop = nic_state->pgstop << 8; - - if (nic_state->cmd.stop) { - return; - } - - if (ne2k_rxbuf_full(dev)) { - PrintError("Ne2k: received buffer overflow\n"); - return; - } - - - //packet too small, expand it - if (length < MIN_BUF_SIZE) { - memcpy(buf, pkt, length); - memset(buf + length, 0, MIN_BUF_SIZE - length); - pkt = buf; - length = MIN_BUF_SIZE; - } - - index = nic_state->curpag << 8; - - //header, 4 bytes - total_len = length + 4; - - //address for next packet (4 bytes for CRC) - next = index + ((total_len + 4 + 255) & ~0xff); - - if (next >= stop) { - next -= (stop - start); - } - - p = nic_state->mem + index; - nic_state->rsr.val = 0; - nic_state->rsr.rx_pkt_ok = 1; - - if (pkt[0] & 0x01) { - nic_state->rsr.phy = 1; - } - - p[0] = nic_state->rsr.val; - p[1] = next >> 8; - p[2] = total_len; - p[3] = total_len >> 8; - index += 4; - - while (length > 0) { - if (index <= stop) { - empty = stop - index; - } else { - empty = 0; - } - - len = length; - - if (len > empty) { - len = empty; - } - - memcpy(nic_state->mem + index, pkt, len); - pkt += len; - index += len; - - if (index == stop) { - index = start; - } - - length -= len; - } - - nic_state->curpag = next >> 8; - - nic_state->isr.pkt_rx = 1; - ne2k_update_irq(dev); -} - - - - -static int netif_input(uchar_t *pkt, uint_t size) { - struct ne2k_context * nic_state; - static const uchar_t brocast_mac[6] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; - int i; - -#ifdef CONFIG_DEBUG_NE2K - PrintDebug("\nNe2k: Packet Received:\nSource:"); - for (i = 6; i < 12; i++) { - PrintDebug("%x ", pkt[i]); - } - - PrintDebug("\n"); - - for(i = 0; i < size; i++) { - PrintDebug("%x ", pkt[i]); - } - PrintDebug("\n"); -#endif - - - if (nic_state->rcr.prom_phys_enable == 1) { - //promiscuous mode - ne2k_receive(ne2ks[i], pkt, size); - } else if (compare_mac(pkt, brocast_mac) && (nic_state->rcr.bcast_ok)) { - //broadcast packet - ne2k_receive(ne2ks[i], pkt, size); - } else if ((pkt[0] & 0x01) && (nic_state->rcr.mcast_ok)) { - //TODO: multicast packet - ne2k_receive(ne2ks[i], pkt, size); - } else if (compare_mac(pkt, nic_state->mac_addr)) { - ne2k_receive(ne2ks[i], pkt, size); - } - - return 0; -} - - -static void ne2k_mem_writeb(struct ne2k_context * nic_state, uint32_t addr, uint32_t val) { - uchar_t tmp; - - tmp = (uchar_t) (val & 0x000000ff); - - if ((addr < 32) || (addr >= NE2K_PMEM_START && addr < NE2K_MEM_SIZE)) { - nic_state->mem[addr] = tmp; - } - - PrintDebug("wmem addr: %x val: %x\n", addr, val); -} - -static void ne2k_mem_writew(struct ne2k_context * nic_state, - uint32_t addr, - uint32_t val) { - addr &= ~1; //XXX: check exact behaviour if not even - - if ((addr < 32) || (addr >= NE2K_PMEM_START && addr < NE2K_MEM_SIZE)) { - *(ushort_t *)(nic_state->mem + addr) = cpu2le16(val); - } - - PrintDebug("wmem addr: %x val: %x\n", addr, val); -} - -static void ne2k_mem_writel(struct ne2k_context *nic_state, - uint32_t addr, - uint32_t val) { - addr &= ~1; // XXX: check exact behaviour if not even - - if ((addr < 32) || (addr >= NE2K_PMEM_START && addr < NE2K_MEM_SIZE)) { - *(uint32_t *)(nic_state->mem + addr) = cpu2le32(val); - } - - PrintDebug("wmem addr: %x val: %x\n", addr, val); -} - -static uchar_t ne2k_mem_readb(struct ne2k_context *nic_state, uint32_t addr) { - PrintDebug("rmem addr: %x\n", addr); - - if ((addr < 32) || (addr >= NE2K_PMEM_START && addr < NE2K_MEM_SIZE)) { - return nic_state->mem[addr]; - } else { - return 0xff; - } -} - -static ushort_t ne2k_mem_readw(struct ne2k_context *nic_state, uint32_t addr) { - PrintDebug("rmem addr: %x\n", addr); - - addr &= ~1; //XXX: check exact behaviour if not even - - if ((addr < 32) || (addr >= NE2K_PMEM_START && addr < NE2K_MEM_SIZE)) { - return (ushort_t)le16_to_cpu((ushort_t *)(nic_state->mem + addr)); - } else { - return 0xffff; - } -} - -static uint32_t ne2k_mem_readl(struct ne2k_context *nic_state, uint32_t addr) { - PrintDebug("rmem addr: %x\n", addr); - - addr &= ~1; //XXX: check exact behaviour if not even - - if ((addr < 32) || (addr >= NE2K_PMEM_START && addr < NE2K_MEM_SIZE)) { - return (uint32_t)le32_to_cpu((uint32_t *)(nic_state->mem + addr)); - } else { - return 0xffffffff; - } -} - - -static void ne2k_dma_update(struct vm_device *dev, int len) { - struct ne2k_context * nic_state = (struct ne2k_context *)dev->private_data; - - nic_state->rsar += len; - - // wrap - if (nic_state->rsar == nic_state->pgstop) { - nic_state->rsar = nic_state->pgstart; - } - - if (nic_state->rbcr <= len) { - nic_state->rbcr = 0; - nic_state->isr.rem_dma_done = 1; - ne2k_update_irq(dev); - } else { - nic_state->rbcr -= len; - } -} - - -//for data port read/write -static int ne2k_data_read(ushort_t port, void * dst, uint_t length, struct vm_device *dev) { - uint32_t val; - struct ne2k_context * nic_state = (struct ne2k_context *)dev->private_data; - - // current dma address - uint32_t addr = nic_state->rsar; - - switch (length){ - case 1: - val = ne2k_mem_readb(nic_state, addr); - break; - case 2: - val = ne2k_mem_readw(nic_state, addr); - break; - case 4: - val = ne2k_mem_readl(nic_state, addr); - break; - default: - PrintError("ne2k_data_read error: invalid length %d\n", length); - val = 0x0; - } - - ne2k_dma_update(dev, length); - - memcpy(dst, &val, length); - - PrintDebug("ne2k_read: port:0x%x (%u bytes): 0x%x", port & 0x1f, length, val); - - return length; -} - -static int ne2k_data_write(ushort_t port, void * src, uint_t length, struct vm_device *dev) { - uint32_t val; - struct ne2k_context * nic_state = (struct ne2k_context *)dev->private_data; - uint32_t addr = nic_state->rsar; - - if (nic_state->rbcr == 0) { - return length; - } - - memcpy(&val, src, length); - - switch (length) { - case 1: - ne2k_mem_writeb(nic_state, addr, val); - break; - case 2: - ne2k_mem_writew(nic_state, addr, val); - break; - case 4: - ne2k_mem_writel(nic_state, addr, val); - break; - default: - PrintError("nic_data_write error: invalid length %d\n", length); - } - - ne2k_dma_update(dev, length); - - PrintDebug("ne2k_write: port:0x%x (%u bytes): 0x%x\n", port & 0x1f, length, val); - - return length; -} - -static int ne2k_reset_device(struct vm_device * dev) { - PrintDebug("vnic: reset device\n"); - - init_ne2k_context(dev); - - return 0; -} - - -//for 0xc11f port -static int ne2k_reset_port_read(ushort_t port, void * dst, uint_t length, struct vm_device * dev) { - PrintDebug("ne2k_read: port:0x%x (%u bytes): 0x%x\n", port, length, val); - - memset(dst, 0, length); - ne2k_reset_device(dev); - - return length; -} - -static int ne2k_reset_port_write(ushort_t port, void * src, uint_t length, struct vm_device * dev) { - PrintDebug("ne2k_write: port:0x%x (%u bytes): 0x%x\n", port, length, val); - return length; -} - - - -static int ne2k_cmd_write(uint16_t port, void * src, uint_t length, struct vm_device * dev) { - struct ne2k_context * nic_state = (struct ne2k_context *)dev->private_data; - - if (length != 1) { - PrintError("Invalid write length to ne2k Command register\n"); - return -1; - } - - nic_state->cmd.val = *(uint8_t *)src; - - if (!(nic_state->cmd.stop)) { - nic_state->isr.reset = 0; - - - // if ((send pkt) && (dma byte count == 0)) - if ((nic_state.rem_dma_cmd & 0x3) && (nic_state->rbcr == 0)) { - nic_state->isr.rem_dma_done = 1; - ne2k_update_irq(dev); - } - - if (nic_state->cmd.tx_pkt) { - int offset = (nic_state->tpsr << 8); - - if (offset >= NE2K_PMEM_END) { - offset -= NE2K_PMEM_SIZE; - } - - if (offset + nic_state->tbcr <= NE2K_PMEM_END) { - ne2k_send_packet(dev, nic_state->mem + offset, nic_state->tbcr); - } - - - nic_state->tsr.val = 0; // clear the tx status reg - nic_state->tsr.pkt_tx_ok = 1; // indicate successful tx - - nic_state->isr.pkt_tx = 1; // irq due to pkt tx - nic_state->cmd.tx_pkt = 0; // reset cmd bit - ne2k_update_irq(dev); - } - } else { - // stop the controller - } - - return length; -} - -static int ne2k_cmd_read(uint16_t port, void * src, uint_t length, struct vm_device * dev) { - *(uint8_t *)dst = nic_state->cmd.val; - - PrintDebug("ne2k_read: port:0x%x val: 0x%x\n", port, *(uint8_t *)dst); - return length; -} - -static int ne2k_std_write(uint16_t port, void * src, uint_t length, struct vm_device * dev) { - struct ne2k_context * nic_state = (struct ne2k_context *)dev->private_data; - int index = port & 0x1f; - uint8_t page = nic_state->cmd.pg_sel; - - if (length != 1 - PrintError("ne2k_write error: length %d\n", length); - return -1; - } - - PrintDebug("ne2k_write: port:0x%x val: 0x%x\n", port, (int)val); - - - if (page == 0) { - switch (port) { - case EN0_STARTPG: - nic_state->pgstart = val; - break; - case EN0_STOPPG: - nic_state->pgstop = val; - break; - case EN0_BOUNDARY: - nic_state->boundary = val; - break; - case EN0_TPSR: - nic_state->tpsr = val; - break; - case EN0_TCNTLO: - nic_state->tbcr0 = val; - break; - case EN0_TCNTHI: - nic_state->tbcr1 = val; - break; - case EN0_ISR: - nic_state->isr.val &= ~(val & 0x7f); - ne2k_update_irq(dev); - break; - case EN0_RSARLO: - nic_state->rsar0 = val; - break; - case EN0_RSARHI: - nic_state->rsar1 = val; - break; - case EN0_RCNTLO: - nic_state->rbcr0 = val; - break; - case EN0_RCNTHI: - nic_state->rbcr1 = val; - break; - case EN0_RXCR: - nic_state->rcr.val = val; - break; - case EN0_TXCR: - nic_state->tcr.val = val; - break; - case EN0_DCFG: - nic_state->dcr.val = val; - break; - case EN0_IMR: - nic_state->imr.val = val; - //PrintError("ne2k_write error: write IMR:0x%x\n", (int)val); - ne2k_update_irq(dev); - break; - default: - PrintError("ne2k_write error: invalid port:0x%x\n", port); - return -1; - } - } else if (page == 1) { - switch (port) { - case EN1_PHYS ... EN1_PHYS + 5: - nic_state->mac_addr[port - EN1_PHYS] = val; - break; - case EN1_CURPAG: - nic_state->curpag = val; - break; - case EN1_MULT ... EN1_MULT + 7: - // PrintError("ne2k_write error: write EN_MULT:0x%x\n", (int)val); - nic_state->mcast_addr[port - EN1_MULT] = val; - break; - default: - PrintError("ne2k_write error: invalid port:0x%x\n", port); - return -1; - } - } else if (page == 2) { - switch (port) { - case EN2_LDMA0: - nic_state->clda0 = val; - break; - case EN2_LDMA1: - nic_state->clda1 = val; - break; - case EN2_RNPR: - nic_state->rnpp = val; - break; - case EN2_LNRP: - nic_state->lnpp = val; - break; - case EN2_ACNT0: - nic_state->addcnt0 = val; - break; - case EN2_ACNT1: - nic_state->addcnt1 = val; - break; - default: - PrintError("ne2k_write error: invalid port:0x%x\n", port); - return -1; - } - } else { - PrintError("Invalid Register Page Value\n"); - return -1; - } - - - return length; - -} - -static int ne2k_std_read(uint16_t port, void * dst, uint_t length, struct vm_device *dev) { - struct ne2k_context * nic_state = (struct ne2k_context *)(dev->private_data); - uint16_t index = port & 0x1f; - uint8_t page = nic_state->cmd.pg_sel; - - if (length > 1) { - PrintError("ne2k_read error: length %d\n", length); - return length; - } - - if (page == 0) { - - switch (index) { - case EN0_CLDALO: - *(uint8_t *)dst = nic_state->clda0; - break; - case EN0_CLDAHI: - *(uint8_t *)dst = nic_state->clda1; - break; - case EN0_BOUNDARY: - *(uint8_t *)dst = nic_state->boundary; - break; - case EN0_TSR: - *(uint8_t *)dst = nic_state->tsr.val; - break; - case EN0_NCR: - *(uint8_t *)dst = nic_state->ncr; - break; - case EN0_FIFO: - *(uint8_t *)dst = nic_state->fifo; - break; - case EN0_ISR: - *(uint8_t *)dst = nic_state->isr.val; - ne2k_update_irq(dev); - break; - case EN0_CRDALO: - *(uint8_t *)dst = nic_state->crda0; - break; - case EN0_CRDAHI: - *(uint8_t *)dst = nic_state->crda1; - break; - case EN0_RSR: - *(uint8_t *)dst = nic_state->rsr.val; - break; - case EN0_COUNTER0: - *(uint8_t *)dst = nic_state->cntr0; - break; - case EN0_COUNTER1: - *(uint8_t *)dst = nic_state->cntr1; - break; - case EN0_COUNTER2: - *(uint8_t *)dst = nic_state->cntr2; - break; - default: - PrintError("ne2k_read error: invalid port:0x%x\n", port); - return -1; - } - - } else if (page == 1) { - - switch (index) { - case EN1_PHYS ... EN1_PHYS + 5: - *(uint8_t *)dst = nic_state->mac_addr[index - EN1_PHYS]; - break; - case EN1_CURPAG: - *(uint8_t *)dst = nic_state->curpag; - break; - case EN1_MULT ... EN1_MULT + 7: - *(uint8_t *)dst = nic_state->mcast_addr[index - EN1_MULT]; - break; - default: - PrintError("ne2k_read error: invalid port:0x%x\n", port); - return -1; - } - - } else if (page == 2) { - - switch (index) { - case EN2_STARTPG: - *(uint8_t *)dst = nic_state->pgstart; - break; - case EN2_STOPPG: - *(uint8_t *)dst = nic_state->pgstop; - break; - case EN2_RNPR: - *(uint8_t *)dst = nic_state->rnpp; - break; - case EN2_LNRP: - *(uint8_t *)dst = nic_state->lnpp; - break; - case EN2_TPSR: - *(uint8_t *)dst = nic_state->tpsr; - break; - case EN2_ACNT0: - *(uint8_t *)dst = nic_state->addcnt0; - break; - case EN2_ACNT1: - *(uint8_t *)dst = nic_state->addcnt1; - break; - case EN2_RCR: - *(uint8_t *)dst = nic_state->rcr.val; - break; - case EN2_TCR: - *(uint8_t *)dst = nic_state->tcr.val; - break; - case EN2_DCR: - *(uint8_t *)dst = nic_state->dcr.val; - break; - case EN2_IMR: - *(uint8_t *)dst = nic_state->imr.val; - break; - default: - PrintError("ne2k_read error: invalid port:0x%x\n", port); - return -1; - } - } else { - PrintError("Invalid Register Page Value\n"); - return -1; - } - - - PrintDebug("ne2k_read: port:0x%x val: 0x%x\n", port, *(uint8_t *)dst); - - return length; -} - - -static int ne2k_start_device(struct vm_device * dev) { - PrintDebug("vnic: start device\n"); - - return 0; -} - - -static int ne2k_stop_device(struct vm_device * dev) { - PrintDebug("vnic: stop device\n"); - - return 0; -} - - - - -static int ne2k_init_device(struct vm_device * dev) { - struct ne2k_context * nic_state = (struct ne2k_context *)(dev->private_data); - - PrintDebug("Initializing NE2K\n"); - - init_ne2k_context(dev); - - if (nic_state->pci_bus == NULL) { - PrintDebug("NE2k: Not attached to pci\n"); - - v3_dev_hook_io(dev, NIC_REG_BASE_PORT , &ne2k_cmd_read, &ne2k_cmd_write); - - for (i = 1; i < 16; i++){ - v3_dev_hook_io(dev, NIC_REG_BASE_PORT + i, &ne2k_std_read, &ne2k_std_write); - } - - v3_dev_hook_io(dev, NIC_DATA_PORT, &ne2k_data_read, &ne2k_data_write); - v3_dev_hook_io(dev, NIC_RESET_PORT, &ne2k_reset_read, &ne2k_reset_write); - - } else { - - struct v3_pci_bar bars[6]; - struct pci_device * pci_dev = NULL; - int i; - - PrintDebug("NE2k: PCI Enabled\n"); - - for (i = 0; i < 6; i++) { - bars[i].type = PCI_BAR_NONE; - } - - bars[0].type = PCI_BAR_IO; - bars[0].default_base_port = NIC_REG_BASE_PORT; - bars[0].num_ports = 256; - - bars[0].io_read = ne2k_pci_read; - bars[0].io_write = ne2k_pci_write; - - pci_dev = v3_pci_register_device(nic_state->pci_bus, PCI_STD_DEVICE, 0, -1, 0, - "NE2000", bars, - pci_config_update, NULL, NULL, dev); - - if (pci_dev == NULL) { - PrintError("Failed to register NE2K with PCI\n"); - return -1; - } - - pci_dev->config_header.vendor_id = 0x10ec; - pci_dev->config_header.device_id = 0x8029; - pci_dev->config_header.revision = 0x00; - - pci_dev->config_header.subclass = 0x00; - pci_dev->config_header.class = 0x02; - pci_dev->config_header.header_type = 0x00; - - pci_dev->config_header.intr_line = 11; - pci_dev->config_header.intr_pin = 1; - - nic_state->pci_dev = pci_dev; - } - - -#ifdef CONFIG_DEBUG_NE2K - dump_state(dev); -#endif - - return 0; -} - - - -static int ne2k_deinit_device(struct vm_device *dev) { - int i; - - for (i = 0; i < 16; i++){ - v3_dev_unhook_io(dev, NIC_REG_BASE_PORT + i); - } - - v3_dev_unhook_io(dev, NIC_DATA_PORT); - v3_dev_unhook_io(dev, NIC_RESET_PORT); - - return 0; -} - - -static struct v3_device_ops dev_ops = { - .init = ne2k_init_device, - .deinit = ne2k_deinit_device, - .reset = ne2k_reset_device, - .start = ne2k_start_device, - .stop = ne2k_stop_device, -}; - - -struct vm_device * v3_create_ne2k(struct vm_device * pci) { - struct ne2k_context * nic_state = V3_Malloc(sizeof(struct ne2k_context)); - - memset(nic_state, 0, sizeof(struct ne2k_context)); - - nic_state->pci_bus = pci; - - struct vm_device * device = v3_create_device("NE2K", &dev_ops, nic_state); - - return device; -} -