diff options
Diffstat (limited to 'drivers/net/bcm570x.c')
| -rw-r--r-- | drivers/net/bcm570x.c | 1684 |
1 files changed, 0 insertions, 1684 deletions
diff --git a/drivers/net/bcm570x.c b/drivers/net/bcm570x.c deleted file mode 100644 index 74f57565ff..0000000000 --- a/drivers/net/bcm570x.c +++ /dev/null @@ -1,1684 +0,0 @@ -/* - * Broadcom BCM570x Ethernet Driver for U-Boot. - * Support 5701, 5702, 5703, and 5704. Single instance driver. - * Copyright (C) 2002 James F. Dougherty (jfd@broadcom.com) - */ - -#include <common.h> - -#if (CONFIG_COMMANDS & CFG_CMD_NET) && (!defined(CONFIG_NET_MULTI)) && \ - defined(CONFIG_BCM570x) - -#ifdef CONFIG_BMW -#include <mpc824x.h> -#endif -#include <net.h> -#include "bcm570x_mm.h" -#include "bcm570x_autoneg.h" -#include <pci.h> -#include <malloc.h> - - -/* - * PCI Registers and definitions. - */ -#define PCI_CMD_MASK 0xffff0000 /* mask to save status bits */ -#define PCI_ANY_ID (~0) - -/* - * PCI memory base for Ethernet device as well as device Interrupt. - */ -#define BCM570X_MBAR 0x80100000 -#define BCM570X_ILINE 1 - - -#define SECOND_USEC 1000000 -#define MAX_PACKET_SIZE 1600 -#define MAX_UNITS 4 - -/* Globals to this module */ -int initialized = 0; -unsigned int ioBase = 0; -volatile PLM_DEVICE_BLOCK pDevice = NULL; /* 570x softc */ -volatile PUM_DEVICE_BLOCK pUmDevice = NULL; - -/* Used to pass the full-duplex flag, etc. */ -int line_speed[MAX_UNITS] = {0,0,0,0}; -static int full_duplex[MAX_UNITS] = {1,1,1,1}; -static int rx_flow_control[MAX_UNITS] = {0,0,0,0}; -static int tx_flow_control[MAX_UNITS] = {0,0,0,0}; -static int auto_flow_control[MAX_UNITS] = {0,0,0,0}; -static int tx_checksum[MAX_UNITS] = {1,1,1,1}; -static int rx_checksum[MAX_UNITS] = {1,1,1,1}; -static int auto_speed[MAX_UNITS] = {1,1,1,1}; - -#if JUMBO_FRAMES -/* Jumbo MTU for interfaces. */ -static int mtu[MAX_UNITS] = {0,0,0,0}; -#endif - -/* Turn on Wake-on lan for a device unit */ -static int enable_wol[MAX_UNITS] = {0,0,0,0}; - -#define TX_DESC_CNT DEFAULT_TX_PACKET_DESC_COUNT -static unsigned int tx_pkt_desc_cnt[MAX_UNITS] = - {TX_DESC_CNT,TX_DESC_CNT,TX_DESC_CNT, TX_DESC_CNT}; - -#define RX_DESC_CNT DEFAULT_STD_RCV_DESC_COUNT -static unsigned int rx_std_desc_cnt[MAX_UNITS] = - {RX_DESC_CNT,RX_DESC_CNT,RX_DESC_CNT,RX_DESC_CNT}; - -static unsigned int rx_adaptive_coalesce[MAX_UNITS] = {1,1,1,1}; - -#if T3_JUMBO_RCV_RCB_ENTRY_COUNT -#define JBO_DESC_CNT DEFAULT_JUMBO_RCV_DESC_COUNT -static unsigned int rx_jumbo_desc_cnt[MAX_UNITS] = - {JBO_DESC_CNT, JBO_DESC_CNT, JBO_DESC_CNT, JBO_DESC_CNT}; -#endif -#define RX_COAL_TK DEFAULT_RX_COALESCING_TICKS -static unsigned int rx_coalesce_ticks[MAX_UNITS] = - {RX_COAL_TK, RX_COAL_TK, RX_COAL_TK, RX_COAL_TK}; - -#define RX_COAL_FM DEFAULT_RX_MAX_COALESCED_FRAMES -static unsigned int rx_max_coalesce_frames[MAX_UNITS] = - {RX_COAL_FM, RX_COAL_FM, RX_COAL_FM, RX_COAL_FM}; - -#define TX_COAL_TK DEFAULT_TX_COALESCING_TICKS -static unsigned int tx_coalesce_ticks[MAX_UNITS] = - {TX_COAL_TK, TX_COAL_TK, TX_COAL_TK, TX_COAL_TK}; - -#define TX_COAL_FM DEFAULT_TX_MAX_COALESCED_FRAMES -static unsigned int tx_max_coalesce_frames[MAX_UNITS] = - {TX_COAL_FM, TX_COAL_FM, TX_COAL_FM, TX_COAL_FM}; - -#define ST_COAL_TK DEFAULT_STATS_COALESCING_TICKS -static unsigned int stats_coalesce_ticks[MAX_UNITS] = - {ST_COAL_TK, ST_COAL_TK, ST_COAL_TK, ST_COAL_TK}; - - -/* - * Legitimate values for BCM570x device types - */ -typedef enum { - BCM5700VIGIL = 0, - BCM5700A6, - BCM5700T6, - BCM5700A9, - BCM5700T9, - BCM5700, - BCM5701A5, - BCM5701T1, - BCM5701T8, - BCM5701A7, - BCM5701A10, - BCM5701A12, - BCM5701, - BCM5702, - BCM5703, - BCM5703A31, - TC996T, - TC996ST, - TC996SSX, - TC996SX, - TC996BT, - TC997T, - TC997SX, - TC1000T, - TC940BR01, - TC942BR01, - NC6770, - NC7760, - NC7770, - NC7780 -} board_t; - -/* Chip-Rev names for each device-type */ -static struct { - char* name; -} chip_rev[] = { - {"BCM5700VIGIL"}, - {"BCM5700A6"}, - {"BCM5700T6"}, - {"BCM5700A9"}, - {"BCM5700T9"}, - {"BCM5700"}, - {"BCM5701A5"}, - {"BCM5701T1"}, - {"BCM5701T8"}, - {"BCM5701A7"}, - {"BCM5701A10"}, - {"BCM5701A12"}, - {"BCM5701"}, - {"BCM5702"}, - {"BCM5703"}, - {"BCM5703A31"}, - {"TC996T"}, - {"TC996ST"}, - {"TC996SSX"}, - {"TC996SX"}, - {"TC996BT"}, - {"TC997T"}, - {"TC997SX"}, - {"TC1000T"}, - {"TC940BR01"}, - {"TC942BR01"}, - {"NC6770"}, - {"NC7760"}, - {"NC7770"}, - {"NC7780"}, - {0} -}; - - -/* indexed by board_t, above */ -static struct { - char *name; -} board_info[] = { - { "Broadcom Vigil B5700 1000Base-T" }, - { "Broadcom BCM5700 1000Base-T" }, - { "Broadcom BCM5700 1000Base-SX" }, - { "Broadcom BCM5700 1000Base-SX" }, - { "Broadcom BCM5700 1000Base-T" }, - { "Broadcom BCM5700" }, - { "Broadcom BCM5701 1000Base-T" }, - { "Broadcom BCM5701 1000Base-T" }, - { "Broadcom BCM5701 1000Base-T" }, - { "Broadcom BCM5701 1000Base-SX" }, - { "Broadcom BCM5701 1000Base-T" }, - { "Broadcom BCM5701 1000Base-T" }, - { "Broadcom BCM5701" }, - { "Broadcom BCM5702 1000Base-T" }, - { "Broadcom BCM5703 1000Base-T" }, - { "Broadcom BCM5703 1000Base-SX" }, - { "3Com 3C996 10/100/1000 Server NIC" }, - { "3Com 3C996 10/100/1000 Server NIC" }, - { "3Com 3C996 Gigabit Fiber-SX Server NIC" }, - { "3Com 3C996 Gigabit Fiber-SX Server NIC" }, - { "3Com 3C996B Gigabit Server NIC" }, - { "3Com 3C997 Gigabit Server NIC" }, - { "3Com 3C997 Gigabit Fiber-SX Server NIC" }, - { "3Com 3C1000 Gigabit NIC" }, - { "3Com 3C940 Gigabit LOM (21X21)" }, - { "3Com 3C942 Gigabit LOM (31X31)" }, - { "Compaq NC6770 Gigabit Server Adapter" }, - { "Compaq NC7760 Gigabit Server Adapter" }, - { "Compaq NC7770 Gigabit Server Adapter" }, - { "Compaq NC7780 Gigabit Server Adapter" }, - { 0 }, -}; - -/* PCI Devices which use the 570x chipset */ -struct pci_device_table { - unsigned short vendor_id, device_id; /* Vendor/DeviceID */ - unsigned short subvendor, subdevice; /* Subsystem ID's or PCI_ANY_ID */ - unsigned int class, class_mask; /* (class,subclass,prog-if) triplet */ - unsigned long board_id; /* Data private to the driver */ - int io_size, min_latency; -} bcm570xDevices[] = { - {0x14e4, 0x1644, 0x1014, 0x0277, 0, 0, BCM5700VIGIL ,128,32}, - {0x14e4, 0x1644, 0x14e4, 0x1644, 0, 0, BCM5700A6 ,128,32}, - {0x14e4, 0x1644, 0x14e4, 0x2, 0, 0, BCM5700T6 ,128,32}, - {0x14e4, 0x1644, 0x14e4, 0x3, 0, 0, BCM5700A9 ,128,32}, - {0x14e4, 0x1644, 0x14e4, 0x4, 0, 0, BCM5700T9 ,128,32}, - {0x14e4, 0x1644, 0x1028, 0xd1, 0, 0, BCM5700 ,128,32}, - {0x14e4, 0x1644, 0x1028, 0x0106, 0, 0, BCM5700 ,128,32}, - {0x14e4, 0x1644, 0x1028, 0x0109, 0, 0, BCM5700 ,128,32}, - {0x14e4, 0x1644, 0x1028, 0x010a, 0, 0, BCM5700 ,128,32}, - {0x14e4, 0x1644, 0x10b7, 0x1000, 0, 0, TC996T ,128,32}, - {0x14e4, 0x1644, 0x10b7, 0x1001, 0, 0, TC996ST ,128,32}, - {0x14e4, 0x1644, 0x10b7, 0x1002, 0, 0, TC996SSX ,128,32}, - {0x14e4, 0x1644, 0x10b7, 0x1003, 0, 0, TC997T ,128,32}, - {0x14e4, 0x1644, 0x10b7, 0x1005, 0, 0, TC997SX ,128,32}, - {0x14e4, 0x1644, 0x10b7, 0x1008, 0, 0, TC942BR01 ,128,32}, - {0x14e4, 0x1644, PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5700 ,128,32}, - {0x14e4, 0x1645, 0x14e4, 1, 0, 0, BCM5701A5 ,128,32}, - {0x14e4, 0x1645, 0x14e4, 5, 0, 0, BCM5701T1 ,128,32}, - {0x14e4, 0x1645, 0x14e4, 6, 0, 0, BCM5701T8 ,128,32}, - {0x14e4, 0x1645, 0x14e4, 7, 0, 0, BCM5701A7 ,128,32}, - {0x14e4, 0x1645, 0x14e4, 8, 0, 0, BCM5701A10 ,128,32}, - {0x14e4, 0x1645, 0x14e4, 0x8008, 0, 0, BCM5701A12 ,128,32}, - {0x14e4, 0x1645, 0x0e11, 0xc1, 0, 0, NC6770 ,128,32}, - {0x14e4, 0x1645, 0x0e11, 0x7c, 0, 0, NC7770 ,128,32}, - {0x14e4, 0x1645, 0x0e11, 0x85, 0, 0, NC7780 ,128,32}, - {0x14e4, 0x1645, 0x1028, 0x0121, 0, 0, BCM5701 ,128,32}, - {0x14e4, 0x1645, 0x10b7, 0x1004, 0, 0, TC996SX ,128,32}, - {0x14e4, 0x1645, 0x10b7, 0x1006, 0, 0, TC996BT ,128,32}, - {0x14e4, 0x1645, 0x10b7, 0x1007, 0, 0, TC1000T ,128,32}, - {0x14e4, 0x1645, 0x10b7, 0x1008, 0, 0, TC940BR01 ,128,32}, - {0x14e4, 0x1645, PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5701 ,128,32}, - {0x14e4, 0x1646, 0x14e4, 0x8009, 0, 0, BCM5702 ,128,32}, - {0x14e4, 0x1646, 0x0e11, 0xbb, 0, 0, NC7760 ,128,32}, - {0x14e4, 0x1646, PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5702 ,128,32}, - {0x14e4, 0x16a6, 0x14e4, 0x8009, 0, 0, BCM5702 ,128,32}, - {0x14e4, 0x16a6, 0x0e11, 0xbb, 0, 0, NC7760 ,128,32}, - {0x14e4, 0x16a6, PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5702 ,128,32}, - {0x14e4, 0x1647, 0x14e4, 0x0009, 0, 0, BCM5703 ,128,32}, - {0x14e4, 0x1647, 0x14e4, 0x000a, 0, 0, BCM5703A31 ,128,32}, - {0x14e4, 0x1647, 0x14e4, 0x000b, 0, 0, BCM5703 ,128,32}, - {0x14e4, 0x1647, 0x14e4, 0x800a, 0, 0, BCM5703 ,128,32}, - {0x14e4, 0x1647, 0x0e11, 0x9a, 0, 0, NC7770 ,128,32}, - {0x14e4, 0x1647, 0x0e11, 0x99, 0, 0, NC7780 ,128,32}, - {0x14e4, 0x1647, PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5703 ,128,32}, - {0x14e4, 0x16a7, 0x14e4, 0x0009, 0, 0, BCM5703 ,128,32}, - {0x14e4, 0x16a7, 0x14e4, 0x000a, 0, 0, BCM5703A31 ,128,32}, - {0x14e4, 0x16a7, 0x14e4, 0x000b, 0, 0, BCM5703 ,128,32}, - {0x14e4, 0x16a7, 0x14e4, 0x800a, 0, 0, BCM5703 ,128,32}, - {0x14e4, 0x16a7, 0x0e11, 0x9a, 0, 0, NC7770 ,128,32}, - {0x14e4, 0x16a7, 0x0e11, 0x99, 0, 0, NC7780 ,128,32}, - {0x14e4, 0x16a7, PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5703 ,128,32} -}; - -#define n570xDevices (sizeof(bcm570xDevices)/sizeof(bcm570xDevices[0])) - - -/* - * Allocate a packet buffer from the bcm570x packet pool. - */ -void * -bcm570xPktAlloc(int u, int pksize) -{ - return malloc(pksize); -} - -/* - * Free a packet previously allocated from the bcm570x packet - * buffer pool. - */ -void -bcm570xPktFree(int u, void *p) -{ - free(p); -} - -int -bcm570xReplenishRxBuffers(PUM_DEVICE_BLOCK pUmDevice) -{ - PLM_PACKET pPacket; - PUM_PACKET pUmPacket; - void *skb; - int queue_rx = 0; - int ret = 0; - - while ((pUmPacket = (PUM_PACKET) - QQ_PopHead(&pUmDevice->rx_out_of_buf_q.Container)) != 0) { - - pPacket = (PLM_PACKET) pUmPacket; - - /* reuse an old skb */ - if (pUmPacket->skbuff) { - QQ_PushTail(&pDevice->RxPacketFreeQ.Container, pPacket); - queue_rx = 1; - continue; - } - if ( ( skb = bcm570xPktAlloc(pUmDevice->index, - pPacket->u.Rx.RxBufferSize + 2)) == 0) { - QQ_PushHead(&pUmDevice->rx_out_of_buf_q.Container,pPacket); - printf("NOTICE: Out of RX memory.\n"); - ret = 1; - break; - } - - pUmPacket->skbuff = skb; - QQ_PushTail(&pDevice->RxPacketFreeQ.Container, pPacket); - queue_rx = 1; - } - - if (queue_rx) { - LM_QueueRxPackets(pDevice); - } - - return ret; -} - -/* - * Probe, Map, and Init 570x device. - */ -int eth_init(bd_t *bis) -{ - int i, rv, devFound = FALSE; - pci_dev_t devbusfn; - unsigned short status; - - /* Find PCI device, if it exists, configure ... */ - for( i = 0; i < n570xDevices; i++){ - devbusfn = pci_find_device(bcm570xDevices[i].vendor_id, - bcm570xDevices[i].device_id, 0); - if(devbusfn == -1) { - continue; /* No device of that vendor/device ID */ - } else { - - /* Set ILINE */ - pci_write_config_byte(devbusfn, - PCI_INTERRUPT_LINE, BCM570X_ILINE); - - /* - * 0x10 - 0x14 define one 64-bit MBAR. - * 0x14 is the higher-order address bits of the BAR. - */ - pci_write_config_dword(devbusfn, - PCI_BASE_ADDRESS_1, 0); - - ioBase = BCM570X_MBAR; - - pci_write_config_dword(devbusfn, - PCI_BASE_ADDRESS_0, ioBase); - - /* - * Enable PCI memory, IO, and Master -- don't - * reset any status bits in doing so. - */ - pci_read_config_word(devbusfn, - PCI_COMMAND, &status); - - status |= PCI_COMMAND_MEMORY|PCI_COMMAND_MASTER; - - pci_write_config_word(devbusfn, - PCI_COMMAND, status); - - printf("\n%s: bus %d, device %d, function %d: MBAR=0x%x\n", - board_info[bcm570xDevices[i].board_id].name, - PCI_BUS(devbusfn), - PCI_DEV(devbusfn), - PCI_FUNC(devbusfn), - ioBase); - - /* Allocate once, but always clear on init */ - if (!pDevice) { - pDevice = malloc(sizeof(UM_DEVICE_BLOCK)); - pUmDevice = (PUM_DEVICE_BLOCK)pDevice; - memset(pDevice, 0x0, sizeof(UM_DEVICE_BLOCK)); - } - - /* Configure pci dev structure */ - pUmDevice->pdev = devbusfn; - pUmDevice->index = 0; - pUmDevice->tx_pkt = 0; - pUmDevice->rx_pkt = 0; - devFound = TRUE; - break; - } - } - - if(!devFound){ - printf("eth_init: FAILURE: no BCM570x Ethernet devices found.\n"); - return -1; - } - - /* Setup defaults for chip */ - pDevice->TaskToOffload = LM_TASK_OFFLOAD_NONE; - - if (pDevice->ChipRevId == T3_CHIP_ID_5700_B0) { - pDevice->TaskToOffload = LM_TASK_OFFLOAD_NONE; - } else { - - if (rx_checksum[i]) { - pDevice->TaskToOffload |= - LM_TASK_OFFLOAD_RX_TCP_CHECKSUM | - LM_TASK_OFFLOAD_RX_UDP_CHECKSUM; - } - - if (tx_checksum[i]) { - pDevice->TaskToOffload |= - LM_TASK_OFFLOAD_TX_TCP_CHECKSUM | - LM_TASK_OFFLOAD_TX_UDP_CHECKSUM; - pDevice->NoTxPseudoHdrChksum = TRUE; - } - } - - /* Set Device PCI Memory base address */ - pDevice->pMappedMemBase = (PLM_UINT8) ioBase; - - /* Pull down adapter info */ - if ((rv = LM_GetAdapterInfo(pDevice)) != LM_STATUS_SUCCESS) { - printf("bcm570xEnd: LM_GetAdapterInfo failed: rv=%d!\n", rv ); - return -2; - } - - /* Lock not needed */ - pUmDevice->do_global_lock = 0; - - if (T3_ASIC_REV(pUmDevice->lm_dev.ChipRevId) == T3_ASIC_REV_5700) { - /* The 5700 chip works best without interleaved register */ - /* accesses on certain machines. */ - pUmDevice->do_global_lock = 1; - } - - /* Setup timer delays */ - if (T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5701) { - pDevice->UseTaggedStatus = TRUE; - pUmDevice->timer_interval = CFG_HZ; - } - else { - pUmDevice->timer_interval = CFG_HZ / 50; - } - - /* Grab name .... */ - pUmDevice->name = - (char*)malloc(strlen(board_info[bcm570xDevices[i].board_id].name)+1); - strcpy(pUmDevice->name,board_info[bcm570xDevices[i].board_id].name); - - memcpy(pDevice->NodeAddress, bis->bi_enetaddr, 6); - LM_SetMacAddress(pDevice, bis->bi_enetaddr); - /* Init queues .. */ - QQ_InitQueue(&pUmDevice->rx_out_of_buf_q.Container, - MAX_RX_PACKET_DESC_COUNT); - pUmDevice->rx_last_cnt = pUmDevice->tx_last_cnt = 0; - - /* delay for 4 seconds */ - pUmDevice->delayed_link_ind = - (4 * CFG_HZ) / pUmDevice->timer_interval; - - pUmDevice->adaptive_expiry = - CFG_HZ / pUmDevice->timer_interval; - - /* Sometimes we get spurious ints. after reset when link is down. */ - /* This field tells the isr to service the int. even if there is */ - /* no status block update. */ - pUmDevice->adapter_just_inited = - (3 * CFG_HZ) / pUmDevice->timer_interval; - - /* Initialize 570x */ - if (LM_InitializeAdapter(pDevice) != LM_STATUS_SUCCESS) { - printf("ERROR: Adapter initialization failed.\n"); - return ERROR; - } - - /* Enable chip ISR */ - LM_EnableInterrupt(pDevice); - - /* Clear MC table */ - LM_MulticastClear(pDevice); - - /* Enable Multicast */ - LM_SetReceiveMask(pDevice, - pDevice->ReceiveMask | LM_ACCEPT_ALL_MULTICAST); - - pUmDevice->opened = 1; - pUmDevice->tx_full = 0; - pUmDevice->tx_pkt = 0; - pUmDevice->rx_pkt = 0; - printf("eth%d: %s @0x%lx,", - pDevice->index, pUmDevice->name, (unsigned long)ioBase); - printf( "node addr "); - for (i = 0; i < 6; i++) { - printf("%2.2x", pDevice->NodeAddress[i]); - } - printf("\n"); - - printf("eth%d: ", pDevice->index); - printf("%s with ", - chip_rev[bcm570xDevices[i].board_id].name); - - if ((pDevice->PhyId & PHY_ID_MASK) == PHY_BCM5400_PHY_ID) - printf("Broadcom BCM5400 Copper "); - else if ((pDevice->PhyId & PHY_ID_MASK) == PHY_BCM5401_PHY_ID) - printf("Broadcom BCM5401 Copper "); - else if ((pDevice->PhyId & PHY_ID_MASK) == PHY_BCM5411_PHY_ID) - printf("Broadcom BCM5411 Copper "); - else if ((pDevice->PhyId & PHY_ID_MASK) == PHY_BCM5701_PHY_ID) - printf("Broadcom BCM5701 Integrated Copper "); - else if ((pDevice->PhyId & PHY_ID_MASK) == PHY_BCM5703_PHY_ID) - printf("Broadcom BCM5703 Integrated Copper "); - else if ((pDevice->PhyId & PHY_ID_MASK) == PHY_BCM8002_PHY_ID) - printf("Broadcom BCM8002 SerDes "); - else if (pDevice->EnableTbi) - printf("Agilent HDMP-1636 SerDes "); - else - printf("Unknown "); - printf("transceiver found\n"); - - printf("eth%d: %s, MTU: %d,", - pDevice->index, pDevice->BusSpeedStr, 1500); - - if ((pDevice->ChipRevId != T3_CHIP_ID_5700_B0) && - rx_checksum[i]) - printf("Rx Checksum ON\n"); - else - printf("Rx Checksum OFF\n"); - initialized++; - - return 0; -} - -/* Ethernet Interrupt service routine */ -void -eth_isr(void) -{ - LM_UINT32 oldtag, newtag; - int i; - - pUmDevice->interrupt = 1; - - if (pDevice->UseTaggedStatus) { - if ((pDevice->pStatusBlkVirt->Status & STATUS_BLOCK_UPDATED) || - pUmDevice->adapter_just_inited) { - MB_REG_WR(pDevice, Mailbox.Interrupt[0].Low, 1); - oldtag = pDevice->pStatusBlkVirt->StatusTag; - - for (i = 0; ; i++) { - pDevice->pStatusBlkVirt->Status &= ~STATUS_BLOCK_UPDATED; - LM_ServiceInterrupts(pDevice); - newtag = pDevice->pStatusBlkVirt->StatusTag; - if ((newtag == oldtag) || (i > 50)) { - MB_REG_WR(pDevice, Mailbox.Interrupt[0].Low, newtag << 24); - if (pDevice->UndiFix) { - REG_WR(pDevice, Grc.LocalCtrl, - pDevice->GrcLocalCtrl | 0x2); - } - break; - } - oldtag = newtag; - } - } - } - else { - while (pDevice->pStatusBlkVirt->Status & STATUS_BLOCK_UPDATED) { - unsigned int dummy; - - pDevice->pMemView->Mailbox.Interrupt[0].Low = 1; - pDevice->pStatusBlkVirt->Status &= ~STATUS_BLOCK_UPDATED; - LM_ServiceInterrupts(pDevice); - pDevice->pMemView->Mailbox.Interrupt[0].Low = 0; - dummy = pDevice->pMemView->Mailbox.Interrupt[0].Low; - } - } - - /* Allocate new RX buffers */ - if (QQ_GetEntryCnt(&pUmDevice->rx_out_of_buf_q.Container)) { - bcm570xReplenishRxBuffers(pUmDevice); - } - - /* Queue packets */ - if (QQ_GetEntryCnt(&pDevice->RxPacketFreeQ.Container)) { - LM_QueueRxPackets(pDevice); - } - - if (pUmDevice->tx_queued) { - pUmDevice->tx_queued = 0; - } - - if(pUmDevice->tx_full){ - if(pDevice->LinkStatus != LM_STATUS_LINK_DOWN){ - printf("NOTICE: tx was previously blocked, restarting MUX\n"); - pUmDevice->tx_full = 0; - } - } - - pUmDevice->interrupt = 0; - -} - -int -eth_send(volatile void *packet, int length) -{ - int status = 0; -#if ET_DEBUG - unsigned char* ptr = (unsigned char*)packet; -#endif - PLM_PACKET pPacket; - PUM_PACKET pUmPacket; - - /* Link down, return */ - while(pDevice->LinkStatus == LM_STATUS_LINK_DOWN) { - eth_isr(); - - /* Wait to see link for one-half a second before sending ... */ - udelay(1500000); - - } - - /* Clear sent flag */ - pUmDevice->tx_pkt = 0; - - /* Previously blocked */ - if(pUmDevice->tx_full){ - printf("eth%d: tx blocked.\n", pUmDevice->index); - return 0; - } - - pPacket = (PLM_PACKET) - QQ_PopHead(&pDevice->TxPacketFreeQ.Container); - - if (pPacket == 0) { - pUmDevice->tx_full = 1; - printf("bcm570xEndSend: TX full!\n"); - return 0; - } - - if (pDevice->SendBdLeft.counter == 0) { - pUmDevice->tx_full = 1; - printf("bcm570xEndSend: no more TX descriptors!\n"); - QQ_PushHead(&pDevice->TxPacketFreeQ.Container, pPacket); - return 0; - } - - if (length <= 0){ - printf("eth: bad packet size: %d\n", length); - goto out; - } - - /* Get packet buffers and fragment list */ - pUmPacket = (PUM_PACKET) pPacket; - /* Single DMA Descriptor transmit. - * Fragments may be provided, but one DMA descriptor max is - * used to send the packet. - */ - if (MM_CoalesceTxBuffer (pDevice, pPacket) != LM_STATUS_SUCCESS) { - if (pUmPacket->skbuff == NULL){ - /* Packet was discarded */ - printf("TX: failed (1)\n"); - status = 1; - } else{ - printf("TX: failed (2)\n"); - status = 2; - } - QQ_PushHead (&pDevice->TxPacketFreeQ.Container, pPacket); - return status; - } - - /* Copy packet to DMA buffer */ - memset(pUmPacket->skbuff, 0x0, MAX_PACKET_SIZE); - memcpy((void*)pUmPacket->skbuff, (void*)packet, length); - pPacket->PacketSize = length; - pPacket->Flags |= SND_BD_FLAG_END|SND_BD_FLAG_COAL_NOW; - pPacket->u.Tx.FragCount = 1; - /* We've already provided a frame ready for transmission */ - pPacket->Flags &= ~SND_BD_FLAG_TCP_UDP_CKSUM; - - if ( LM_SendPacket(pDevice, pPacket) == LM_STATUS_FAILURE){ - /* - * A lower level send failure will push the packet descriptor back - * in the free queue, so just deal with the VxWorks clusters. - */ - if (pUmPacket->skbuff == NULL){ - printf("TX failed (1)!\n"); - /* Packet was discarded */ - status = 3; - } else { - /* A resource problem ... */ - printf("TX failed (2)!\n"); - status = 4; - } - - if (QQ_GetEntryCnt(&pDevice->TxPacketFreeQ.Container) == 0) { - printf("TX: emptyQ!\n"); - pUmDevice->tx_full = 1; - } - } - - while(pUmDevice->tx_pkt == 0){ - /* Service TX */ - eth_isr(); - } -#if ET_DEBUG - printf("eth_send: 0x%x, %d bytes\n" - "[%x %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x] ...\n", - (int)pPacket, length, - ptr[0],ptr[1],ptr[2],ptr[3],ptr[4],ptr[5], - ptr[6],ptr[7],ptr[8],ptr[9],ptr[10],ptr[11],ptr[12], - ptr[13],ptr[14],ptr[15]); -#endif - pUmDevice->tx_pkt = 0; - QQ_PushHead(&pDevice->TxPacketFreeQ.Container, pPacket); - - /* Done with send */ - out: - return status; -} - - -/* Ethernet receive */ -int -eth_rx(void) -{ - PLM_PACKET pPacket = NULL; - PUM_PACKET pUmPacket = NULL; - void *skb; - int size=0; - - while(TRUE) { - - bcm570x_service_isr: - /* Pull down packet if it is there */ - eth_isr(); - - /* Indicate RX packets called */ - if(pUmDevice->rx_pkt){ - /* printf("eth_rx: got a packet...\n"); */ - pUmDevice->rx_pkt = 0; - } else { - /* printf("eth_rx: waiting for packet...\n"); */ - goto bcm570x_service_isr; - } - - pPacket = (PLM_PACKET) - QQ_PopHead(&pDevice->RxPacketReceivedQ.Container); - - if (pPacket == 0){ - printf("eth_rx: empty packet!\n"); - goto bcm570x_service_isr; - } - - pUmPacket = (PUM_PACKET) pPacket; -#if ET_DEBUG - printf("eth_rx: packet @0x%x\n", - (int)pPacket); -#endif - /* If the packet generated an error, reuse buffer */ - if ((pPacket->PacketStatus != LM_STATUS_SUCCESS) || - ((size = pPacket->PacketSize) > pDevice->RxMtu)) { - - /* reuse skb */ - QQ_PushTail(&pDevice->RxPacketFreeQ.Container, pPacket); - printf("eth_rx: error in packet dma!\n"); - goto bcm570x_service_isr; - } - - /* Set size and address */ - skb = pUmPacket->skbuff; - size = pPacket->PacketSize; - - /* Pass the packet up to the protocol - * layers. - */ - NetReceive(skb, size); - - /* Free packet buffer */ - bcm570xPktFree (pUmDevice->index, skb); - pUmPacket->skbuff = NULL; - - /* Reuse SKB */ - QQ_PushTail(&pDevice->RxPacketFreeQ.Container, pPacket); - - return 0; /* Got a packet, bail ... */ - } - return size; -} - - -/* Shut down device */ -void -eth_halt(void) -{ - int i; - if ( initialized) - if (pDevice && pUmDevice && pUmDevice->opened){ - printf("\neth%d:%s,", pUmDevice->index, pUmDevice->name); - printf("HALT,"); - /* stop device */ - LM_Halt(pDevice); - printf("POWER DOWN,"); - LM_SetPowerState(pDevice, LM_POWER_STATE_D3); - - /* Free the memory allocated by the device in tigon3 */ - for (i = 0; i < pUmDevice->mem_list_num; i++) { - if (pUmDevice->mem_list[i]) { - /* sanity check */ - if (pUmDevice->dma_list[i]) { /* cache-safe memory */ - free(pUmDevice->mem_list[i]); - } else { - free(pUmDevice->mem_list[i]); /* normal memory */ - } - } - } - pUmDevice->opened = 0; - free(pDevice); - pDevice = NULL; - pUmDevice = NULL; - initialized = 0; - printf("done - offline.\n"); - } -} - - -/* - * - * Middle Module: Interface between the HW driver (tigon3 modules) and - * the native (SENS) driver. These routines implement the system - * interface for tigon3 on VxWorks. - */ - -/* Middle module dependency - size of a packet descriptor */ -int MM_Packet_Desc_Size = sizeof(UM_PACKET); - - -LM_STATUS -MM_ReadConfig32(PLM_DEVICE_BLOCK pDevice, - LM_UINT32 Offset, - LM_UINT32 *pValue32) -{ - UM_DEVICE_BLOCK *pUmDevice; - pUmDevice = (UM_DEVICE_BLOCK *) pDevice; - pci_read_config_dword(pUmDevice->pdev, - Offset, (u32 *) pValue32); - return LM_STATUS_SUCCESS; -} - - -LM_STATUS -MM_WriteConfig32(PLM_DEVICE_BLOCK pDevice, - LM_UINT32 Offset, - LM_UINT32 Value32) -{ - UM_DEVICE_BLOCK *pUmDevice; - pUmDevice = (UM_DEVICE_BLOCK *) pDevice; - pci_write_config_dword(pUmDevice->pdev, - Offset, Value32); - return LM_STATUS_SUCCESS; -} - - -LM_STATUS -MM_ReadConfig16(PLM_DEVICE_BLOCK pDevice, - LM_UINT32 Offset, - LM_UINT16 *pValue16) -{ - UM_DEVICE_BLOCK *pUmDevice; - pUmDevice = (UM_DEVICE_BLOCK *) pDevice; - pci_read_config_word(pUmDevice->pdev, - Offset, (u16*) pValue16); - return LM_STATUS_SUCCESS; -} - -LM_STATUS -MM_WriteConfig16(PLM_DEVICE_BLOCK pDevice, - LM_UINT32 Offset, - LM_UINT16 Value16) -{ - UM_DEVICE_BLOCK *pUmDevice; - pUmDevice = (UM_DEVICE_BLOCK *) pDevice; - pci_write_config_word(pUmDevice->pdev, - Offset, Value16); - return LM_STATUS_SUCCESS; -} - - -LM_STATUS -MM_AllocateSharedMemory(PLM_DEVICE_BLOCK pDevice, LM_UINT32 BlockSize, - PLM_VOID *pMemoryBlockVirt, - PLM_PHYSICAL_ADDRESS pMemoryBlockPhy, - LM_BOOL Cached) -{ - PLM_VOID pvirt; - PUM_DEVICE_BLOCK pUmDevice = (PUM_DEVICE_BLOCK) pDevice; - dma_addr_t mapping; - - pvirt = malloc(BlockSize); - mapping = (dma_addr_t)(pvirt); - if (!pvirt) - return LM_STATUS_FAILURE; - - pUmDevice->mem_list[pUmDevice->mem_list_num] = pvirt; - pUmDevice->dma_list[pUmDevice->mem_list_num] = mapping; - pUmDevice->mem_size_list[pUmDevice->mem_list_num++] = BlockSize; - memset(pvirt, 0, BlockSize); - - *pMemoryBlockVirt = (PLM_VOID) pvirt; - MM_SetAddr (pMemoryBlockPhy, (dma_addr_t) mapping); - - return LM_STATUS_SUCCESS; -} - - -LM_STATUS -MM_AllocateMemory(PLM_DEVICE_BLOCK pDevice, LM_UINT32 BlockSize, - PLM_VOID *pMemoryBlockVirt) -{ - PLM_VOID pvirt; - PUM_DEVICE_BLOCK pUmDevice = (PUM_DEVICE_BLOCK) pDevice; - - pvirt = malloc(BlockSize); - - if (!pvirt) - return LM_STATUS_FAILURE; - - pUmDevice->mem_list[pUmDevice->mem_list_num] = pvirt; - pUmDevice->dma_list[pUmDevice->mem_list_num] = 0; - pUmDevice->mem_size_list[pUmDevice->mem_list_num++] = BlockSize; - memset(pvirt, 0, BlockSize); - *pMemoryBlockVirt = pvirt; - - return LM_STATUS_SUCCESS; -} - -LM_STATUS -MM_MapMemBase(PLM_DEVICE_BLOCK pDevice) -{ - printf("BCM570x PCI Memory base address @0x%x\n", - (unsigned int)pDevice->pMappedMemBase); - return LM_STATUS_SUCCESS; -} - -LM_STATUS -MM_InitializeUmPackets(PLM_DEVICE_BLOCK pDevice) -{ - int i; - void* skb; - PUM_DEVICE_BLOCK pUmDevice = (PUM_DEVICE_BLOCK) pDevice; - PUM_PACKET pUmPacket = NULL; - PLM_PACKET pPacket = NULL; - - for (i = 0; i < pDevice->RxPacketDescCnt; i++) { - pPacket = QQ_PopHead(&pDevice->RxPacketFreeQ.Container); - pUmPacket = (PUM_PACKET) pPacket; - - if (pPacket == 0) { - printf("MM_InitializeUmPackets: Bad RxPacketFreeQ\n"); - } - - skb = bcm570xPktAlloc(pUmDevice->index, - pPacket->u.Rx.RxBufferSize + 2); - - if (skb == 0) { - pUmPacket->skbuff = 0; - QQ_PushTail(&pUmDevice->rx_out_of_buf_q.Container, pPacket); - printf("MM_InitializeUmPackets: out of buffer.\n"); - continue; - } - - pUmPacket->skbuff = skb; - QQ_PushTail(&pDevice->RxPacketFreeQ.Container, pPacket); - } - - pUmDevice->rx_low_buf_thresh = pDevice->RxPacketDescCnt / 8; - - return LM_STATUS_SUCCESS; -} - -LM_STATUS -MM_GetConfig(PLM_DEVICE_BLOCK pDevice) -{ - PUM_DEVICE_BLOCK pUmDevice = (PUM_DEVICE_BLOCK) pDevice; - int index = pDevice->index; - - if (auto_speed[index] == 0) - pDevice->DisableAutoNeg = TRUE; - else - pDevice->DisableAutoNeg = FALSE; - - if (line_speed[index] == 0) { - pDevice->RequestedMediaType = - LM_REQUESTED_MEDIA_TYPE_AUTO; - pDevice->DisableAutoNeg = FALSE; - } - else { - if (line_speed[index] == 1000) { - if (pDevice->EnableTbi) { - pDevice->RequestedMediaType = - LM_REQUESTED_MEDIA_TYPE_FIBER_1000MBPS_FULL_DUPLEX; - } - else if (full_duplex[index]) { - pDevice->RequestedMediaType = - LM_REQUESTED_MEDIA_TYPE_UTP_1000MBPS_FULL_DUPLEX; - } - else { - pDevice->RequestedMediaType = - LM_REQUESTED_MEDIA_TYPE_UTP_1000MBPS; - } - if (!pDevice->EnableTbi) - pDevice->DisableAutoNeg = FALSE; - } - else if (line_speed[index] == 100) { - if (full_duplex[index]) { - pDevice->RequestedMediaType = - LM_REQUESTED_MEDIA_TYPE_UTP_100MBPS_FULL_DUPLEX; - } - else { - pDevice->RequestedMediaType = - LM_REQUESTED_MEDIA_TYPE_UTP_100MBPS; - } - } - else if (line_speed[index] == 10) { - if (full_duplex[index]) { - pDevice->RequestedMediaType = - LM_REQUESTED_MEDIA_TYPE_UTP_10MBPS_FULL_DUPLEX; - } - else { - pDevice->RequestedMediaType = - LM_REQUESTED_MEDIA_TYPE_UTP_10MBPS; - } - } - else { - pDevice->RequestedMediaType = - LM_REQUESTED_MEDIA_TYPE_AUTO; - pDevice->DisableAutoNeg = FALSE; - } - - } - pDevice->FlowControlCap = 0; - if (rx_flow_control[index] != 0) { - pDevice->FlowControlCap |= LM_FLOW_CONTROL_RECEIVE_PAUSE; - } - if (tx_flow_control[index] != 0) { - pDevice->FlowControlCap |= LM_FLOW_CONTROL_TRANSMIT_PAUSE; - } - if ((auto_flow_control[index] != 0) && - (pDevice->DisableAutoNeg == FALSE)) { - - pDevice->FlowControlCap |= LM_FLOW_CONTROL_AUTO_PAUSE; - if ((tx_flow_control[index] == 0) && - (rx_flow_control[index] == 0)) { - pDevice->FlowControlCap |= - LM_FLOW_CONTROL_TRANSMIT_PAUSE | - LM_FLOW_CONTROL_RECEIVE_PAUSE; - } - } - - /* Default MTU for now */ - pUmDevice->mtu = 1500; - -#if T3_JUMBO_RCV_RCB_ENTRY_COUNT - if (pUmDevice->mtu > 1500) { - pDevice->RxMtu = pUmDevice->mtu; - pDevice->RxJumboDescCnt = DEFAULT_JUMBO_RCV_DESC_COUNT; - } - else { - pDevice->RxJumboDescCnt = 0; - } - pDevice->RxJumboDescCnt = rx_jumbo_desc_cnt[index]; -#else - pDevice->RxMtu = pUmDevice->mtu; -#endif - - if (T3_ASIC_REV(pDevice->ChipRevId) == T3_ASIC_REV_5701) { - pDevice->UseTaggedStatus = TRUE; - pUmDevice->timer_interval = CFG_HZ; - } - else { - pUmDevice->timer_interval = CFG_HZ/50; - } - - pDevice->TxPacketDescCnt = tx_pkt_desc_cnt[index]; - pDevice->RxStdDescCnt = rx_std_desc_cnt[index]; - /* Note: adaptive coalescence really isn't adaptive in this driver */ - pUmDevice->rx_adaptive_coalesce = rx_adaptive_coalesce[index]; - if (!pUmDevice->rx_adaptive_coalesce) { - pDevice->RxCoalescingTicks = rx_coalesce_ticks[index]; - if (pDevice->RxCoalescingTicks > MAX_RX_COALESCING_TICKS) - pDevice->RxCoalescingTicks = MAX_RX_COALESCING_TICKS; - pUmDevice->rx_curr_coalesce_ticks =pDevice->RxCoalescingTicks; - - pDevice->RxMaxCoalescedFrames = rx_max_coalesce_frames[index]; - if (pDevice->RxMaxCoalescedFrames>MAX_RX_MAX_COALESCED_FRAMES) - pDevice->RxMaxCoalescedFrames = - MAX_RX_MAX_COALESCED_FRAMES; - pUmDevice->rx_curr_coalesce_frames = - pDevice->RxMaxCoalescedFrames; - pDevice->StatsCoalescingTicks = stats_coalesce_ticks[index]; - if (pDevice->StatsCoalescingTicks>MAX_STATS_COALESCING_TICKS) - pDevice->StatsCoalescingTicks= - MAX_STATS_COALESCING_TICKS; - } - else { - pUmDevice->rx_curr_coalesce_frames = - DEFAULT_RX_MAX_COALESCED_FRAMES; - pUmDevice->rx_curr_coalesce_ticks = - DEFAULT_RX_COALESCING_TICKS; - } - pDevice->TxCoalescingTicks = tx_coalesce_ticks[index]; - if (pDevice->TxCoalescingTicks > MAX_TX_COALESCING_TICKS) - pDevice->TxCoalescingTicks = MAX_TX_COALESCING_TICKS; - pDevice->TxMaxCoalescedFrames = tx_max_coalesce_frames[index]; - if (pDevice->TxMaxCoalescedFrames > MAX_TX_MAX_COALESCED_FRAMES) - pDevice->TxMaxCoalescedFrames = MAX_TX_MAX_COALESCED_FRAMES; - - if (enable_wol[index]) { - pDevice->WakeUpModeCap = LM_WAKE_UP_MODE_MAGIC_PACKET; - pDevice->WakeUpMode = LM_WAKE_UP_MODE_MAGIC_PACKET; - } - pDevice->NicSendBd = TRUE; - - /* Don't update status blocks during interrupt */ - pDevice->RxCoalescingTicksDuringInt = 0; - pDevice->TxCoalescingTicksDuringInt = 0; - - return LM_STATUS_SUCCESS; - -} - - -LM_STATUS -MM_StartTxDma(PLM_DEVICE_BLOCK pDevice, PLM_PACKET pPacket) -{ - PUM_DEVICE_BLOCK pUmDevice = (PUM_DEVICE_BLOCK) pDevice; - printf("Start TX DMA: dev=%d packet @0x%x\n", - (int)pUmDevice->index, (unsigned int)pPacket); - - return LM_STATUS_SUCCESS; -} - -LM_STATUS -MM_CompleteTxDma(PLM_DEVICE_BLOCK pDevice, PLM_PACKET pPacket) -{ - PUM_DEVICE_BLOCK pUmDevice = (PUM_DEVICE_BLOCK) pDevice; - printf("Complete TX DMA: dev=%d packet @0x%x\n", - (int)pUmDevice->index, (unsigned int)pPacket); - return LM_STATUS_SUCCESS; -} - - -LM_STATUS -MM_IndicateStatus(PLM_DEVICE_BLOCK pDevice, LM_STATUS Status) -{ - char buf[128]; - char lcd[4]; - PUM_DEVICE_BLOCK pUmDevice = (PUM_DEVICE_BLOCK) pDevice; - LM_FLOW_CONTROL flow_control; - - pUmDevice->delayed_link_ind = 0; - memset(lcd, 0x0, 4); - - if (Status == LM_STATUS_LINK_DOWN) { - sprintf(buf,"eth%d: %s: NIC Link is down\n", - pUmDevice->index,pUmDevice->name); - lcd[0] = 'L';lcd[1]='N';lcd[2]='K';lcd[3] = '?'; - } else if (Status == LM_STATUS_LINK_ACTIVE) { - sprintf(buf,"eth%d:%s: ", pUmDevice->index, pUmDevice->name); - - if (pDevice->LineSpeed == LM_LINE_SPEED_1000MBPS){ - strcat(buf,"1000 Mbps "); - lcd[0] = '1';lcd[1]='G';lcd[2]='B'; - } else if (pDevice->LineSpeed == LM_LINE_SPEED_100MBPS){ - strcat(buf,"100 Mbps "); - lcd[0] = '1';lcd[1]='0';lcd[2]='0'; - } else if (pDevice->LineSpeed == LM_LINE_SPEED_10MBPS){ - strcat(buf,"10 Mbps "); - lcd[0] = '1';lcd[1]='0';lcd[2]=' '; - } - if (pDevice->DuplexMode == LM_DUPLEX_MODE_FULL){ - strcat(buf, "full duplex"); - lcd[3] = 'F'; - } else { - strcat(buf, "half duplex"); - lcd[3] = 'H'; - } - strcat(buf, " link up"); - - flow_control = pDevice->FlowControl & - (LM_FLOW_CONTROL_RECEIVE_PAUSE | - LM_FLOW_CONTROL_TRANSMIT_PAUSE); - - if (flow_control) { - if (flow_control & LM_FLOW_CONTROL_RECEIVE_PAUSE) { - strcat(buf,", receive "); - if (flow_control & LM_FLOW_CONTROL_TRANSMIT_PAUSE) - strcat(buf," & transmit "); - } - else { - strcat(buf,", transmit "); - } - strcat(buf,"flow control ON"); - } else { - strcat(buf, ", flow control OFF"); - } - strcat(buf,"\n"); - printf("%s",buf); - } - return LM_STATUS_SUCCESS; -} - -LM_STATUS -MM_FreeRxBuffer(PLM_DEVICE_BLOCK pDevice, PLM_PACKET pPacket) -{ - - PUM_DEVICE_BLOCK pUmDevice = (PUM_DEVICE_BLOCK) pDevice; - PUM_PACKET pUmPacket; - void *skb; - - pUmPacket = (PUM_PACKET) pPacket; - - if ((skb = pUmPacket->skbuff)) - bcm570xPktFree(pUmDevice->index, skb); - - pUmPacket->skbuff = 0; - - return LM_STATUS_SUCCESS; -} - -unsigned long -MM_AnGetCurrentTime_us(PAN_STATE_INFO pAnInfo) -{ - return get_timer(0); -} - -/* - * Transform an MBUF chain into a single MBUF. - * This routine will fail if the amount of data in the - * chain overflows a transmit buffer. In that case, - * the incoming MBUF chain will be freed. This routine can - * also fail by not being able to allocate a new MBUF (including - * cluster and mbuf headers). In that case the failure is - * non-fatal. The incoming cluster chain is not freed, giving - * the caller the choice of whether to try a retransmit later. - */ -LM_STATUS -MM_CoalesceTxBuffer(PLM_DEVICE_BLOCK pDevice, PLM_PACKET pPacket) -{ - PUM_PACKET pUmPacket = (PUM_PACKET) pPacket; - PUM_DEVICE_BLOCK pUmDevice = (PUM_DEVICE_BLOCK) pDevice; - void *skbnew; - int len = 0; - - if (len == 0) - return (LM_STATUS_SUCCESS); - - if (len > MAX_PACKET_SIZE){ - printf ("eth%d: xmit frame discarded, too big!, size = %d\n", - pUmDevice->index, len); - return (LM_STATUS_FAILURE); - } - - skbnew = bcm570xPktAlloc(pUmDevice->index, MAX_PACKET_SIZE); - - if (skbnew == NULL) { - pUmDevice->tx_full = 1; - printf ("eth%d: out of transmit buffers", pUmDevice->index); - return (LM_STATUS_FAILURE); - } - - /* New packet values */ - pUmPacket->skbuff = skbnew; - pUmPacket->lm_packet.u.Tx.FragCount = 1; - - return (LM_STATUS_SUCCESS); -} - - -LM_STATUS -MM_IndicateRxPackets(PLM_DEVICE_BLOCK pDevice) -{ - PUM_DEVICE_BLOCK pUmDevice = (PUM_DEVICE_BLOCK) pDevice; - pUmDevice->rx_pkt = 1; - return LM_STATUS_SUCCESS; -} - -LM_STATUS -MM_IndicateTxPackets(PLM_DEVICE_BLOCK pDevice) -{ - PUM_DEVICE_BLOCK pUmDevice = (PUM_DEVICE_BLOCK) pDevice; - PLM_PACKET pPacket; - PUM_PACKET pUmPacket; - void *skb; - while ( TRUE ) { - - pPacket = (PLM_PACKET) - QQ_PopHead(&pDevice->TxPacketXmittedQ.Container); - - if (pPacket == 0) - break; - - pUmPacket = (PUM_PACKET) pPacket; - skb = (void*)pUmPacket->skbuff; - - /* - * Free MBLK if we transmitted a fragmented packet or a - * non-fragmented packet straight from the VxWorks - * buffer pool. If packet was copied to a local transmit - * buffer, then there's no MBUF to free, just free - * the transmit buffer back to the cluster pool. - */ - - if (skb) - bcm570xPktFree (pUmDevice->index, skb); - - pUmPacket->skbuff = 0; - QQ_PushTail(&pDevice->TxPacketFreeQ.Container, pPacket); - pUmDevice->tx_pkt = 1; - } - if (pUmDevice->tx_full) { - if (QQ_GetEntryCnt(&pDevice->TxPacketFreeQ.Container) >= - (QQ_GetSize(&pDevice->TxPacketFreeQ.Container) >> 1)) - pUmDevice->tx_full = 0; - } - return LM_STATUS_SUCCESS; -} - -/* - * Scan an MBUF chain until we reach fragment number "frag" - * Return its length and physical address. - */ -void MM_MapTxDma - ( - PLM_DEVICE_BLOCK pDevice, - struct _LM_PACKET *pPacket, - T3_64BIT_HOST_ADDR *paddr, - LM_UINT32 *len, - int frag) -{ - PUM_PACKET pUmPacket = (PUM_PACKET) pPacket; - *len = pPacket->PacketSize; - MM_SetT3Addr(paddr, (dma_addr_t) pUmPacket->skbuff); -} - -/* - * Convert an mbuf address, a CPU local virtual address, - * to a physical address as seen from a PCI device. Store the - * result at paddr. - */ -void MM_MapRxDma( - PLM_DEVICE_BLOCK pDevice, - struct _LM_PACKET *pPacket, - T3_64BIT_HOST_ADDR *paddr) -{ - PUM_PACKET pUmPacket = (PUM_PACKET) pPacket; - MM_SetT3Addr(paddr, (dma_addr_t) pUmPacket->skbuff); -} - -void -MM_SetAddr (LM_PHYSICAL_ADDRESS *paddr, dma_addr_t addr) -{ -#if (BITS_PER_LONG == 64) - paddr->High = ((unsigned long) addr) >> 32; - paddr->Low = ((unsigned long) addr) & 0xffffffff; -#else - paddr->High = 0; - paddr->Low = (unsigned long) addr; -#endif -} - -void -MM_SetT3Addr(T3_64BIT_HOST_ADDR *paddr, dma_addr_t addr) -{ - unsigned long baddr = (unsigned long) addr; -#if (BITS_PER_LONG == 64) - set_64bit_addr(paddr, baddr & 0xffffffff, baddr >> 32); -#else - set_64bit_addr(paddr, baddr, 0); -#endif -} - -/* - * This combination of `inline' and `extern' has almost the effect of a - * macro. The way to use it is to put a function definition in a header - * file with these keywords, and put another copy of the definition - * (lacking `inline' and `extern') in a library file. The definition in - * the header file will cause most calls to the function to be inlined. - * If any uses of the function remain, they will refer to the single copy - * in the library. - */ -void -atomic_set(atomic_t* entry, int val) -{ - entry->counter = val; -} -int -atomic_read(atomic_t* entry) -{ - return entry->counter; -} -void -atomic_inc(atomic_t* entry) -{ - if(entry) - entry->counter++; -} - -void -atomic_dec(atomic_t* entry) -{ - if(entry) - entry->counter--; -} - -void -atomic_sub(int a, atomic_t* entry) -{ - if(entry) - entry->counter -= a; -} - -void -atomic_add(int a, atomic_t* entry) -{ - if(entry) - entry->counter += a; -} - -/******************************************************************************/ -/* Description: */ -/* */ -/* Return: */ -/******************************************************************************/ -void -QQ_InitQueue( -PQQ_CONTAINER pQueue, -unsigned int QueueSize) { - pQueue->Head = 0; - pQueue->Tail = 0; - pQueue->Size = QueueSize+1; - atomic_set(&pQueue->EntryCnt, 0); -} /* QQ_InitQueue */ - - -/******************************************************************************/ -/* Description: */ -/* */ -/* Return: */ -/******************************************************************************/ -char -QQ_Full( -PQQ_CONTAINER pQueue) { - unsigned int NewHead; - - NewHead = (pQueue->Head + 1) % pQueue->Size; - - return(NewHead == pQueue->Tail); -} /* QQ_Full */ - - -/******************************************************************************/ -/* Description: */ -/* */ -/* Return: */ -/******************************************************************************/ -char -QQ_Empty( -PQQ_CONTAINER pQueue) { - return(pQueue->Head == pQueue->Tail); -} /* QQ_Empty */ - - -/******************************************************************************/ -/* Description: */ -/* */ -/* Return: */ -/******************************************************************************/ -unsigned int -QQ_GetSize( -PQQ_CONTAINER pQueue) { - return pQueue->Size; -} /* QQ_GetSize */ - - -/******************************************************************************/ -/* Description: */ -/* */ -/* Return: */ -/******************************************************************************/ -unsigned int -QQ_GetEntryCnt( -PQQ_CONTAINER pQueue) { - return atomic_read(&pQueue->EntryCnt); -} /* QQ_GetEntryCnt */ - - -/******************************************************************************/ -/* Description: */ -/* */ -/* Return: */ -/* TRUE entry was added successfully. */ -/* FALSE queue is full. */ -/******************************************************************************/ -char -QQ_PushHead( -PQQ_CONTAINER pQueue, -PQQ_ENTRY pEntry) { - unsigned int Head; - - Head = (pQueue->Head + 1) % pQueue->Size; - -#if !defined(QQ_NO_OVERFLOW_CHECK) - if(Head == pQueue->Tail) { - return 0; - } /* if */ -#endif /* QQ_NO_OVERFLOW_CHECK */ - - pQueue->Array[pQueue->Head] = pEntry; - wmb(); - pQueue->Head = Head; - atomic_inc(&pQueue->EntryCnt); - - return -1; -} /* QQ_PushHead */ - - -/******************************************************************************/ -/* Description: */ -/* */ -/* Return: */ -/* TRUE entry was added successfully. */ -/* FALSE queue is full. */ -/******************************************************************************/ -char -QQ_PushTail( -PQQ_CONTAINER pQueue, -PQQ_ENTRY pEntry) { - unsigned int Tail; - - Tail = pQueue->Tail; - if(Tail == 0) { - Tail = pQueue->Size; - } /* if */ - Tail--; - -#if !defined(QQ_NO_OVERFLOW_CHECK) - if(Tail == pQueue->Head) { - return 0; - } /* if */ -#endif /* QQ_NO_OVERFLOW_CHECK */ - - pQueue->Array[Tail] = pEntry; - wmb(); - pQueue->Tail = Tail; - atomic_inc(&pQueue->EntryCnt); - - return -1; -} /* QQ_PushTail */ - - -/******************************************************************************/ -/* Description: */ -/* */ -/* Return: */ -/******************************************************************************/ -PQQ_ENTRY -QQ_PopHead( -PQQ_CONTAINER pQueue) { - unsigned int Head; - PQQ_ENTRY Entry; - - Head = pQueue->Head; - -#if !defined(QQ_NO_UNDERFLOW_CHECK) - if(Head == pQueue->Tail) { - return (PQQ_ENTRY) 0; - } /* if */ -#endif /* QQ_NO_UNDERFLOW_CHECK */ - - if(Head == 0) { - Head = pQueue->Size; - } /* if */ - Head--; - - Entry = pQueue->Array[Head]; - membar(); - - pQueue->Head = Head; - atomic_dec(&pQueue->EntryCnt); - - return Entry; -} /* QQ_PopHead */ - - -/******************************************************************************/ -/* Description: */ -/* */ -/* Return: */ -/******************************************************************************/ -PQQ_ENTRY -QQ_PopTail( -PQQ_CONTAINER pQueue) { - unsigned int Tail; - PQQ_ENTRY Entry; - - Tail = pQueue->Tail; - -#if !defined(QQ_NO_UNDERFLOW_CHECK) - if(Tail == pQueue->Head) { - return (PQQ_ENTRY) 0; - } /* if */ -#endif /* QQ_NO_UNDERFLOW_CHECK */ - - Entry = pQueue->Array[Tail]; - membar(); - pQueue->Tail = (Tail + 1) % pQueue->Size; - atomic_dec(&pQueue->EntryCnt); - - return Entry; -} /* QQ_PopTail */ - - -/******************************************************************************/ -/* Description: */ -/* */ -/* Return: */ -/******************************************************************************/ -PQQ_ENTRY -QQ_GetHead( - PQQ_CONTAINER pQueue, - unsigned int Idx) -{ - if(Idx >= atomic_read(&pQueue->EntryCnt)) - { - return (PQQ_ENTRY) 0; - } - - if(pQueue->Head > Idx) - { - Idx = pQueue->Head - Idx; - } - else - { - Idx = pQueue->Size - (Idx - pQueue->Head); - } - Idx--; - - return pQueue->Array[Idx]; -} - - -/******************************************************************************/ -/* Description: */ -/* */ -/* Return: */ -/******************************************************************************/ -PQQ_ENTRY -QQ_GetTail( - PQQ_CONTAINER pQueue, - unsigned int Idx) -{ - if(Idx >= atomic_read(&pQueue->EntryCnt)) - { - return (PQQ_ENTRY) 0; - } - - Idx += pQueue->Tail; - if(Idx >= pQueue->Size) - { - Idx = Idx - pQueue->Size; - } - - return pQueue->Array[Idx]; -} - -#endif /* CFG_CMD_NET, !CONFIG_NET_MULTI, CONFIG_BCM570x */ |