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-rw-r--r--bsps/m68k/av5282/net/network.c940
1 files changed, 0 insertions, 940 deletions
diff --git a/bsps/m68k/av5282/net/network.c b/bsps/m68k/av5282/net/network.c
deleted file mode 100644
index 8c37e67fd6..0000000000
--- a/bsps/m68k/av5282/net/network.c
+++ /dev/null
@@ -1,940 +0,0 @@
-#include <machine/rtems-bsd-kernel-space.h>
-
-#include <bsp.h>
-#include <stdio.h>
-#include <errno.h>
-#include <stdarg.h>
-#include <string.h>
-#include <rtems.h>
-#include <rtems/error.h>
-#include <rtems/rtems_bsdnet.h>
-
-#include <sys/param.h>
-#include <sys/mbuf.h>
-#include <sys/socket.h>
-#include <sys/sockio.h>
-
-#include <net/ethernet.h>
-#include <net/if.h>
-
-#include <netinet/in.h>
-#include <netinet/if_ether.h>
-
-
-/*
- * Number of interfaces supported by this driver
- */
-#define NIFACES 1
-
-#define FEC_INTC0_TX_VECTOR (64+23)
-#define FEC_INTC0_RX_VECTOR (64+27)
-
-#define FEC_INTC0_TX_VECTOR (64+23)
-#define FEC_INTC0_RX_VECTOR (64+27)
-#define MII_VECTOR (64+7) /* IRQ7* pin connected to external transceiver */
-#define MII_EPPAR MCF5282_EPORT_EPPAR_EPPA7_LEVEL
-#define MII_EPDDR MCF5282_EPORT_EPDDR_EPDD7
-#define MII_EPIER MCF5282_EPORT_EPIER_EPIE7
-#define MII_EPPDR MCF5282_EPORT_EPPDR_EPPD7
-/*
- * Default number of buffer descriptors set aside for this driver.
- * The number of transmit buffer descriptors has to be quite large
- * since a single frame often uses three or more buffer descriptors.
- */
-#define RX_BUF_COUNT 32
-#define TX_BUF_COUNT 20
-#define TX_BD_PER_BUF 3
-
-#define INET_ADDR_MAX_BUF_SIZE (sizeof "255.255.255.255")
-
-/*
- * RTEMS event used by interrupt handler to signal daemons.
- * This must *not* be the same event used by the TCP/IP task synchronization.
- */
-#define TX_INTERRUPT_EVENT RTEMS_EVENT_1
-#define RX_INTERRUPT_EVENT RTEMS_EVENT_1
-
-/*
- * RTEMS event used to start transmit daemon.
- * This must not be the same as INTERRUPT_EVENT.
- */
-#define START_TRANSMIT_EVENT RTEMS_EVENT_2
-
-/*
- * Receive buffer size -- Allow for a full ethernet packet plus CRC (1518).
- * Round off to nearest multiple of RBUF_ALIGN.
- */
-#define MAX_MTU_SIZE 1518
-#define RBUF_ALIGN 4
-#define RBUF_SIZE ((MAX_MTU_SIZE + RBUF_ALIGN) & ~RBUF_ALIGN)
-
-#if (MCLBYTES < RBUF_SIZE)
- #error "Driver must have MCLBYTES > RBUF_SIZE"
-#endif
-
-typedef struct mcf5282BufferDescriptor_ {
- volatile uint16_t status;
- uint16_t length;
- volatile void *buffer;
-} mcf5282BufferDescriptor_t;
-
-/*
- * Per-device data
- */
-struct mcf5282_enet_struct {
- struct arpcom arpcom;
- struct mbuf **rxMbuf;
- struct mbuf **txMbuf;
- int acceptBroadcast;
- int rxBdCount;
- int txBdCount;
- int txBdHead;
- int txBdTail;
- int txBdActiveCount;
- mcf5282BufferDescriptor_t *rxBdBase;
- mcf5282BufferDescriptor_t *txBdBase;
- rtems_id rxDaemonTid;
- rtems_id txDaemonTid;
-
- /*
- * Statistics
- */
- unsigned long rxInterrupts;
- unsigned long txInterrupts;
- unsigned long miiInterrupts;
- unsigned long txRawWait;
- unsigned long txRealign;
- unsigned long txRealignDrop;
- uint16_t mii_sr2;
-};
-static struct mcf5282_enet_struct enet_driver[NIFACES];
-
-static int
-getMII(int phyNumber, int regNumber);
-
-
-static rtems_isr
-mcf5282_fec_rx_interrupt_handler( rtems_vector_number v )
-{
- MCF5282_FEC_EIR = MCF5282_FEC_EIR_RXF;
- MCF5282_FEC_EIMR &= ~MCF5282_FEC_EIMR_RXF;
- enet_driver[0].rxInterrupts++;
- rtems_bsdnet_event_send(enet_driver[0].rxDaemonTid, RX_INTERRUPT_EVENT);
-}
-
-static rtems_isr
-mcf5282_fec_tx_interrupt_handler( rtems_vector_number v )
-{
- MCF5282_FEC_EIR = MCF5282_FEC_EIR_TXF;
- MCF5282_FEC_EIMR &= ~MCF5282_FEC_EIMR_TXF;
- enet_driver[0].txInterrupts++;
- rtems_bsdnet_event_send(enet_driver[0].txDaemonTid, TX_INTERRUPT_EVENT);
-}
-
-static rtems_isr
-mcf5282_mii_interrupt_handler( rtems_vector_number v )
-{
- uint16_t sr2;
-
- enet_driver[0].miiInterrupts++;
- getMII(1, 19); /* Read and clear interrupt status bits */
- enet_driver[0].mii_sr2 = sr2 = getMII(1, 17);
- if (((sr2 & 0x200) != 0)
- && ((MCF5282_FEC_TCR & MCF5282_FEC_TCR_FDEN) == 0))
- MCF5282_FEC_TCR |= MCF5282_FEC_TCR_FDEN;
- else if (((sr2 & 0x200) == 0)
- && ((MCF5282_FEC_TCR & MCF5282_FEC_TCR_FDEN) != 0))
- MCF5282_FEC_TCR &= ~MCF5282_FEC_TCR_FDEN;
-}
-
-/*
- * Allocate buffer descriptors from (non-cached) on-chip static RAM
- * Ensure 128-bit (16-byte) alignment
- */
-extern char __SRAMBASE[];
-
-static mcf5282BufferDescriptor_t *
-mcf5282_bd_allocate(unsigned int count)
-{
- static mcf5282BufferDescriptor_t *bdp = (mcf5282BufferDescriptor_t *)__SRAMBASE;
- mcf5282BufferDescriptor_t *p = bdp;
-
- bdp += count;
- if ((int)bdp & 0xF)
- bdp = (mcf5282BufferDescriptor_t *)((char *)bdp + (16 - ((int)bdp & 0xF)));
- return p;
-}
-
-
-/*
- * Read MII register
- * Busy-waits, but transfer time should be short!
- */
-static int
-getMII(int phyNumber, int regNumber)
-{
- MCF5282_FEC_MMFR = (0x1 << 30) |
- (0x2 << 28) |
- (phyNumber << 23) |
- (regNumber << 18) |
- (0x2 << 16);
- while ((MCF5282_FEC_EIR & MCF5282_FEC_EIR_MII) == 0);
- MCF5282_FEC_EIR = MCF5282_FEC_EIR_MII;
- return MCF5282_FEC_MMFR & 0xFFFF;
-}
-
-
-/*
- * Write MII register
- * Busy-waits, but transfer time should be short!
- */
-static void
-setMII(int phyNumber, int regNumber, int value)
-{
- MCF5282_FEC_MMFR = (0x1 << 30) |
- (0x1 << 28) |
- (phyNumber << 23) |
- (regNumber << 18) |
- (0x2 << 16) |
- (value & 0xFFFF);
- while ((MCF5282_FEC_EIR & MCF5282_FEC_EIR_MII) == 0);
- MCF5282_FEC_EIR = MCF5282_FEC_EIR_MII;
-}
-
-static void
-mcf5282_fec_initialize_hardware(struct mcf5282_enet_struct *sc)
-{
- int i;
- const unsigned char *hwaddr;
- rtems_status_code status;
- rtems_isr_entry old_handler;
- uint32_t clock_speed = get_CPU_clock_speed();
-
- /*
- * Issue reset to FEC
- */
- MCF5282_FEC_ECR = MCF5282_FEC_ECR_RESET;
- rtems_task_wake_after(1);
- MCF5282_FEC_ECR = 0;
-
- /*
- * Configuration of I/O ports is done outside of this function
- */
-#if 0
- imm->gpio.pbcnt |= MCF5282_GPIO_PBCNT_SET_FEC; /* Set up port b FEC pins */
-#endif
-
- /*
- * Set our physical address
- */
- hwaddr = sc->arpcom.ac_enaddr;
- MCF5282_FEC_PALR = (hwaddr[0] << 24) | (hwaddr[1] << 16) |
- (hwaddr[2] << 8) | (hwaddr[3] << 0);
- MCF5282_FEC_PAUR = (hwaddr[4] << 24) | (hwaddr[5] << 16);
-
-
- /*
- * Clear the hash table
- */
- MCF5282_FEC_GAUR = 0;
- MCF5282_FEC_GALR = 0;
-
- /*
- * Set up receive buffer size
- */
- MCF5282_FEC_EMRBR = 1520; /* Standard Ethernet */
-
- /*
- * Allocate mbuf pointers
- */
- sc->rxMbuf = malloc(sc->rxBdCount * sizeof *sc->rxMbuf, M_MBUF, M_NOWAIT);
- sc->txMbuf = malloc(sc->txBdCount * sizeof *sc->txMbuf, M_MBUF, M_NOWAIT);
- if (!sc->rxMbuf || !sc->txMbuf)
- rtems_panic("No memory for mbuf pointers");
-
- /*
- * Set receiver and transmitter buffer descriptor bases
- */
- sc->rxBdBase = mcf5282_bd_allocate(sc->rxBdCount);
- sc->txBdBase = mcf5282_bd_allocate(sc->txBdCount);
- MCF5282_FEC_ERDSR = (int)sc->rxBdBase;
- MCF5282_FEC_ETDSR = (int)sc->txBdBase;
-
- /*
- * Set up Receive Control Register:
- * Not promiscuous
- * MII mode
- * Full duplex
- * No loopback
- */
- MCF5282_FEC_RCR = MCF5282_FEC_RCR_MAX_FL(MAX_MTU_SIZE) |
- MCF5282_FEC_RCR_MII_MODE;
-
- /*
- * Set up Transmit Control Register:
- * Full duplex
- * No heartbeat
- */
- MCF5282_FEC_TCR = MCF5282_FEC_TCR_FDEN;
-
- /*
- * Initialize statistic counters
- */
- MCF5282_FEC_MIBC = MCF5282_FEC_MIBC_MIB_DISABLE;
- {
- vuint32 *vuip = &MCF5282_FEC_RMON_T_DROP;
- while (vuip <= &MCF5282_FEC_IEEE_R_OCTETS_OK)
- *vuip++ = 0;
- }
- MCF5282_FEC_MIBC = 0;
-
- /*
- * Set MII speed to <= 2.5 MHz
- */
- i = (clock_speed + 5000000 - 1) / 5000000;
- MCF5282_FEC_MSCR = MCF5282_FEC_MSCR_MII_SPEED(i);
-
- /*
- * Set PHYS to 100 Mb/s, full duplex
- */
- setMII(1, 0, 0x2100);
- setMII(1, 4, 0x0181);
- setMII(1, 0, 0x0000);
- rtems_task_wake_after(2);
- sc->mii_sr2 = getMII(1, 17);
- setMII(1, 18, 0x0072);
- setMII(1, 0, 0x1000);
- /*
- * Set up receive buffer descriptors
- */
- for (i = 0 ; i < sc->rxBdCount ; i++)
- (sc->rxBdBase + i)->status = 0;
-
- /*
- * Set up transmit buffer descriptors
- */
- for (i = 0 ; i < sc->txBdCount ; i++) {
- sc->txBdBase[i].status = 0;
- sc->txMbuf[i] = NULL;
- }
- sc->txBdHead = sc->txBdTail = 0;
- sc->txBdActiveCount = 0;
-
- /*
- * Set up interrupts
- */
- status = rtems_interrupt_catch( mcf5282_fec_tx_interrupt_handler, FEC_INTC0_TX_VECTOR, &old_handler );
- if (status != RTEMS_SUCCESSFUL)
- rtems_panic ("Can't attach MCF5282 FEC TX interrupt handler: %s\n",
- rtems_status_text(status));
- status = rtems_interrupt_catch(mcf5282_fec_rx_interrupt_handler, FEC_INTC0_RX_VECTOR, &old_handler);
- if (status != RTEMS_SUCCESSFUL)
- rtems_panic ("Can't attach MCF5282 FEC RX interrupt handler: %s\n",
- rtems_status_text(status));
- MCF5282_INTC0_ICR23 = MCF5282_INTC_ICR_IL(FEC_IRQ_LEVEL) |
- MCF5282_INTC_ICR_IP(FEC_IRQ_TX_PRIORITY);
- MCF5282_INTC0_IMRL &= ~(MCF5282_INTC_IMRL_INT23 | MCF5282_INTC_IMRL_MASKALL);
- MCF5282_INTC0_ICR27 = MCF5282_INTC_ICR_IL(FEC_IRQ_LEVEL) |
- MCF5282_INTC_ICR_IP(FEC_IRQ_RX_PRIORITY);
- MCF5282_INTC0_IMRL &= ~(MCF5282_INTC_IMRL_INT27 | MCF5282_INTC_IMRL_MASKALL);
-
- status = rtems_interrupt_catch(mcf5282_mii_interrupt_handler, MII_VECTOR, &old_handler);
- if (status != RTEMS_SUCCESSFUL)
- rtems_panic ("Can't attach MCF5282 FEC MII interrupt handler: %s\n",
- rtems_status_text(status));
- MCF5282_EPORT_EPPAR &= ~MII_EPPAR;
- MCF5282_EPORT_EPDDR &= ~MII_EPDDR;
- MCF5282_EPORT_EPIER |= MII_EPIER;
- MCF5282_INTC0_IMRL &= ~(MCF5282_INTC_IMRL_INT7 | MCF5282_INTC_IMRL_MASKALL);
-}
-
-/*
- * Soak up buffer descriptors that have been sent.
- */
-void
-fec_retire_tx_bd(volatile struct mcf5282_enet_struct *sc )
-{
- struct mbuf *m, *n;
- uint16_t status;
-
- while ((sc->txBdActiveCount != 0)
- && (((status = sc->txBdBase[sc->txBdTail].status) & MCF5282_FEC_TxBD_R) == 0)) {
- if ((status & MCF5282_FEC_TxBD_TO1) == 0) {
- m = sc->txMbuf[sc->txBdTail];
- MFREE(m, n);
- }
- if (++sc->txBdTail == sc->txBdCount)
- sc->txBdTail = 0;
- sc->txBdActiveCount--;
- }
-}
-
-static void
-fec_rxDaemon (void *arg)
-{
- volatile struct mcf5282_enet_struct *sc = (volatile struct mcf5282_enet_struct *)arg;
- struct ifnet *ifp = (struct ifnet* )&sc->arpcom.ac_if;
- struct mbuf *m;
- volatile uint16_t status;
- volatile mcf5282BufferDescriptor_t *rxBd;
- int rxBdIndex;
-
- /*
- * Allocate space for incoming packets and start reception
- */
- for (rxBdIndex = 0 ; ;) {
- rxBd = sc->rxBdBase + rxBdIndex;
- MGETHDR(m, M_WAIT, MT_DATA);
- MCLGET(m, M_WAIT);
- m->m_pkthdr.rcvif = ifp;
- sc->rxMbuf[rxBdIndex] = m;
- rxBd->buffer = mtod(m, void *);
- rxBd->status = MCF5282_FEC_RxBD_E;
- if (++rxBdIndex == sc->rxBdCount) {
- rxBd->status |= MCF5282_FEC_RxBD_W;
- break;
- }
- }
-
- /*
- * Input packet handling loop
- */
- /* Indicate we have some ready buffers available */
- MCF5282_FEC_RDAR = 0;
-
- rxBdIndex = 0;
- for (;;) {
- rxBd = sc->rxBdBase + rxBdIndex;
-
- /*
- * Wait for packet if there's not one ready
- */
- if ((status = rxBd->status) & MCF5282_FEC_RxBD_E) {
- /*
- * Clear old events.
- */
- MCF5282_FEC_EIR = MCF5282_FEC_EIR_RXF;
-
- /*
- * Wait for packet to arrive.
- * Check the buffer descriptor before waiting for the event.
- * This catches the case when a packet arrives between the
- * `if' above, and the clearing of the RXF bit in the EIR.
- */
- while ((status = rxBd->status) & MCF5282_FEC_RxBD_E) {
- rtems_event_set events;
- int level;
-
- rtems_interrupt_disable(level);
- MCF5282_FEC_EIMR |= MCF5282_FEC_EIMR_RXF;
- rtems_interrupt_enable(level);
- rtems_bsdnet_event_receive (RX_INTERRUPT_EVENT,
- RTEMS_WAIT|RTEMS_EVENT_ANY,
- RTEMS_NO_TIMEOUT,
- &events);
- }
- }
-
- /*
- * Check that packet is valid
- */
- if (status & MCF5282_FEC_RxBD_L) {
- /*
- * Pass the packet up the chain.
- * FIXME: Packet filtering hook could be done here.
- */
- struct ether_header *eh;
- int len = rxBd->length - sizeof(uint32_t);
-
- /*
- * Invalidate the cache and push the packet up.
- * The cache is so small that it's more efficient to just
- * invalidate the whole thing unless the packet is very small.
- */
- m = sc->rxMbuf[rxBdIndex];
- if (len < 128)
- rtems_cache_invalidate_multiple_data_lines(m->m_data, len);
- else
- rtems_cache_invalidate_entire_data();
- m->m_len = m->m_pkthdr.len = len - sizeof(struct ether_header);
- eh = mtod(m, struct ether_header *);
- m->m_data += sizeof(struct ether_header);
- ether_input(ifp, eh, m);
-
- /*
- * Allocate a new mbuf
- */
- MGETHDR(m, M_WAIT, MT_DATA);
- MCLGET(m, M_WAIT);
- m->m_pkthdr.rcvif = ifp;
- sc->rxMbuf[rxBdIndex] = m;
- rxBd->buffer = mtod(m, void *);
- }
-
- /*
- * Reenable the buffer descriptor
- */
- rxBd->status = (status & MCF5282_FEC_RxBD_W) | MCF5282_FEC_RxBD_E;
- MCF5282_FEC_RDAR = 0;
-
- /*
- * Move to next buffer descriptor
- */
- if (++rxBdIndex == sc->rxBdCount)
- rxBdIndex = 0;
- }
-}
-
-static void
-fec_sendpacket(struct ifnet *ifp, struct mbuf *m)
-{
- struct mcf5282_enet_struct *sc = ifp->if_softc;
- volatile mcf5282BufferDescriptor_t *firstTxBd, *txBd;
- int nAdded;
- uint16_t status;
-
- /*
- * Free up buffer descriptors
- */
- fec_retire_tx_bd(sc);
-
- /*
- * Set up the transmit buffer descriptors.
- * No need to pad out short packets since the
- * hardware takes care of that automatically.
- * No need to copy the packet to a contiguous buffer
- * since the hardware is capable of scatter/gather DMA.
- */
- nAdded = 0;
- firstTxBd = sc->txBdBase + sc->txBdHead;
-
- while(m != NULL) {
- /*
- * Wait for buffer descriptor to become available
- */
- if ((sc->txBdActiveCount + nAdded) == sc->txBdCount) {
- /*
- * Clear old events.
- */
- MCF5282_FEC_EIR = MCF5282_FEC_EIR_TXF;
-
- /*
- * Wait for buffer descriptor to become available.
- * Check for buffer descriptors before waiting for the event.
- * This catches the case when a buffer became available between
- * the `if' above, and the clearing of the TXF bit in the EIR.
- */
- fec_retire_tx_bd(sc);
- while ((sc->txBdActiveCount + nAdded) == sc->txBdCount) {
- rtems_event_set events;
- int level;
-
- rtems_interrupt_disable(level);
- MCF5282_FEC_EIMR |= MCF5282_FEC_EIMR_TXF;
- rtems_interrupt_enable(level);
- sc->txRawWait++;
- rtems_bsdnet_event_receive(TX_INTERRUPT_EVENT,
- RTEMS_WAIT|RTEMS_EVENT_ANY,
- RTEMS_NO_TIMEOUT,
- &events);
- fec_retire_tx_bd(sc);
- }
- }
-
- /*
- * Don't set the READY flag on the first fragment
- * until the whole packet has been readied.
- */
- status = nAdded ? MCF5282_FEC_TxBD_R : 0;
-
- /*
- * The IP fragmentation routine in ip_output
- * can produce fragments with zero length.
- */
- if (m->m_len){
- char *p = mtod(m, char *);
- int offset = (int) p & 0x3;
- txBd = sc->txBdBase + sc->txBdHead;
- if (offset == 0) {
- txBd->buffer = p;
- txBd->length = m->m_len;
- sc->txMbuf[sc->txBdHead] = m;
- m = m->m_next;
- }
- else {
- /*
- * Stupid FEC can't handle misaligned data!
- * Move offending bytes to a local buffer.
- * Use buffer descriptor TO1 bit to indicate this.
- */
- int nmove = 4 - offset;
- char *d = (char *)&sc->txMbuf[sc->txBdHead];
- status |= MCF5282_FEC_TxBD_TO1;
- sc->txRealign++;
- if (nmove > m->m_len)
- nmove = m->m_len;
- m->m_data += nmove;
- m->m_len -= nmove;
- txBd->buffer = d;
- txBd->length = nmove;
- while (nmove--)
- *d++ = *p++;
- if (m->m_len == 0) {
- struct mbuf *n;
- sc->txRealignDrop++;
- MFREE(m, n);
- m = n;
- }
- }
- nAdded++;
- if (++sc->txBdHead == sc->txBdCount) {
- status |= MCF5282_FEC_TxBD_W;
- sc->txBdHead = 0;
- }
- txBd->status = status;
- }
- else {
- /*
- * Just toss empty mbufs
- */
- struct mbuf *n;
- MFREE(m, n);
- m = n;
- }
- }
- if (nAdded) {
- txBd->status = status | MCF5282_FEC_TxBD_R
- | MCF5282_FEC_TxBD_L
- | MCF5282_FEC_TxBD_TC;
- if (nAdded > 1)
- firstTxBd->status |= MCF5282_FEC_TxBD_R;
- MCF5282_FEC_TDAR = 0;
- sc->txBdActiveCount += nAdded;
- }
-}
-
-void
-fec_txDaemon(void *arg)
-{
- struct mcf5282_enet_struct *sc = (struct mcf5282_enet_struct *)arg;
- struct ifnet *ifp = &sc->arpcom.ac_if;
- struct mbuf *m;
- rtems_event_set events;
-
- for (;;) {
- /*
- * Wait for packet
- */
- rtems_bsdnet_event_receive(START_TRANSMIT_EVENT,
- RTEMS_EVENT_ANY | RTEMS_WAIT,
- RTEMS_NO_TIMEOUT,
- &events);
-
- /*
- * Send packets till queue is empty
- */
- for (;;) {
- /*
- * Get the next mbuf chain to transmit.
- */
- IF_DEQUEUE(&ifp->if_snd, m);
- if (!m)
- break;
- fec_sendpacket(ifp, m);
- }
- ifp->if_flags &= ~IFF_OACTIVE;
- }
-}
-
-
-/*
- * Send packet (caller provides header).
- */
-static void
-mcf5282_enet_start(struct ifnet *ifp)
-{
- struct mcf5282_enet_struct *sc = ifp->if_softc;
-
- rtems_bsdnet_event_send(sc->txDaemonTid, START_TRANSMIT_EVENT);
- ifp->if_flags |= IFF_OACTIVE;
-}
-
-static void
-fec_init(void *arg)
-{
- struct mcf5282_enet_struct *sc = arg;
- struct ifnet *ifp = &sc->arpcom.ac_if;
-
- if (sc->txDaemonTid == 0) {
- /*
- * Set up hardware
- */
- mcf5282_fec_initialize_hardware(sc);
-
- /*
- * Start driver tasks
- */
- sc->txDaemonTid = rtems_bsdnet_newproc("FECtx", 4096, fec_txDaemon, sc);
- sc->rxDaemonTid = rtems_bsdnet_newproc("FECrx", 4096, fec_rxDaemon, sc);
- }
-
- /*
- * Set flags appropriately
- */
- if (ifp->if_flags & IFF_PROMISC)
- MCF5282_FEC_RCR |= MCF5282_FEC_RCR_PROM;
- else
- MCF5282_FEC_RCR &= ~MCF5282_FEC_RCR_PROM;
-
- /*
- * Tell the world that we're running.
- */
- ifp->if_flags |= IFF_RUNNING;
-
- /*
- * Enable receiver and transmitter
- */
- MCF5282_FEC_ECR = MCF5282_FEC_ECR_ETHER_EN;
-}
-
-
-static void
-fec_stop(struct mcf5282_enet_struct *sc)
-{
- struct ifnet *ifp = &sc->arpcom.ac_if;
-
- ifp->if_flags &= ~IFF_RUNNING;
-
- /*
- * Shut down receiver and transmitter
- */
- MCF5282_FEC_ECR = 0x0;
-}
-
-/*
- * Show interface statistics
- */
-static void
-enet_stats(struct mcf5282_enet_struct *sc)
-{
- printf(" Rx Interrupts:%-10lu", sc->rxInterrupts);
- printf("Rx Packet Count:%-10lu", (uint32_t) MCF5282_FEC_RMON_R_PACKETS);
- printf(" Rx Broadcast:%-10lu\n", (uint32_t) MCF5282_FEC_RMON_R_BC_PKT);
- printf(" Rx Multicast:%-10lu", (uint32_t) MCF5282_FEC_RMON_R_MC_PKT);
- printf("CRC/Align error:%-10lu", (uint32_t) MCF5282_FEC_RMON_R_CRC_ALIGN);
- printf(" Rx Undersize:%-10lu\n", (uint32_t) MCF5282_FEC_RMON_R_UNDERSIZE);
- printf(" Rx Oversize:%-10lu", (uint32_t) MCF5282_FEC_RMON_R_OVERSIZE);
- printf(" Rx Fragment:%-10lu", (uint32_t) MCF5282_FEC_RMON_R_FRAG);
- printf(" Rx Jabber:%-10lu\n", (uint32_t) MCF5282_FEC_RMON_R_JAB);
- printf(" Rx 64:%-10lu", (uint32_t) MCF5282_FEC_RMON_R_P64);
- printf(" Rx 65-127:%-10lu", (uint32_t) MCF5282_FEC_RMON_R_P65T0127);
- printf(" Rx 128-255:%-10lu\n", (uint32_t) MCF5282_FEC_RMON_R_P128TO255);
- printf(" Rx 256-511:%-10lu", (uint32_t) MCF5282_FEC_RMON_R_P256TO511);
- printf(" Rx 511-1023:%-10lu", (uint32_t) MCF5282_FEC_RMON_R_P512TO1023);
- printf(" Rx 1024-2047:%-10lu\n", (uint32_t) MCF5282_FEC_RMON_R_P1024TO2047);
- printf(" Rx >=2048:%-10lu", (uint32_t) MCF5282_FEC_RMON_R_GTE2048);
- printf(" Rx Octets:%-10lu", (uint32_t) MCF5282_FEC_RMON_R_OCTETS);
- printf(" Rx Dropped:%-10lu\n", (uint32_t) MCF5282_FEC_IEEE_R_DROP);
- printf(" Rx frame OK:%-10lu", (uint32_t) MCF5282_FEC_IEEE_R_FRAME_OK);
- printf(" Rx CRC error:%-10lu", (uint32_t) MCF5282_FEC_IEEE_R_CRC);
- printf(" Rx Align error:%-10lu\n", (uint32_t) MCF5282_FEC_IEEE_R_ALIGN);
- printf(" FIFO Overflow:%-10lu", (uint32_t) MCF5282_FEC_IEEE_R_MACERR);
- printf("Rx Pause Frames:%-10lu", (uint32_t) MCF5282_FEC_IEEE_R_FDXFC);
- printf(" Rx Octets OK:%-10lu\n", (uint32_t) MCF5282_FEC_IEEE_R_OCTETS_OK);
- printf(" Tx Interrupts:%-10lu", sc->txInterrupts);
- printf("Tx Output Waits:%-10lu", sc->txRawWait);
- printf("Tx mbuf realign:%-10lu\n", sc->txRealign);
- printf("Tx realign drop:%-10lu", sc->txRealignDrop);
- printf(" Tx Unaccounted:%-10lu", (uint32_t) MCF5282_FEC_RMON_T_DROP);
- printf("Tx Packet Count:%-10lu\n", (uint32_t) MCF5282_FEC_RMON_T_PACKETS);
- printf(" Tx Broadcast:%-10lu", (uint32_t) MCF5282_FEC_RMON_T_BC_PKT);
- printf(" Tx Multicast:%-10lu", (uint32_t) MCF5282_FEC_RMON_T_MC_PKT);
- printf("CRC/Align error:%-10lu\n", (uint32_t) MCF5282_FEC_RMON_T_CRC_ALIGN);
- printf(" Tx Undersize:%-10lu", (uint32_t) MCF5282_FEC_RMON_T_UNDERSIZE);
- printf(" Tx Oversize:%-10lu", (uint32_t) MCF5282_FEC_RMON_T_OVERSIZE);
- printf(" Tx Fragment:%-10lu\n", (uint32_t) MCF5282_FEC_RMON_T_FRAG);
- printf(" Tx Jabber:%-10lu", (uint32_t) MCF5282_FEC_RMON_T_JAB);
- printf(" Tx Collisions:%-10lu", (uint32_t) MCF5282_FEC_RMON_T_COL);
- printf(" Tx 64:%-10lu\n", (uint32_t) MCF5282_FEC_RMON_T_P64);
- printf(" Tx 65-127:%-10lu", (uint32_t) MCF5282_FEC_RMON_T_P65TO127);
- printf(" Tx 128-255:%-10lu", (uint32_t) MCF5282_FEC_RMON_T_P128TO255);
- printf(" Tx 256-511:%-10lu\n", (uint32_t) MCF5282_FEC_RMON_T_P256TO511);
- printf(" Tx 511-1023:%-10lu", (uint32_t) MCF5282_FEC_RMON_T_P512TO1023);
- printf(" Tx 1024-2047:%-10lu", (uint32_t) MCF5282_FEC_RMON_T_P1024TO2047);
- printf(" Tx >=2048:%-10lu\n", (uint32_t) MCF5282_FEC_RMON_T_P_GTE2048);
- printf(" Tx Octets:%-10lu", (uint32_t) MCF5282_FEC_RMON_T_OCTETS);
- printf(" Tx Dropped:%-10lu", (uint32_t) MCF5282_FEC_IEEE_T_DROP);
- printf(" Tx Frame OK:%-10lu\n", (uint32_t) MCF5282_FEC_IEEE_T_FRAME_OK);
- printf(" Tx 1 Collision:%-10lu", (uint32_t) MCF5282_FEC_IEEE_T_1COL);
- printf("Tx >1 Collision:%-10lu", (uint32_t) MCF5282_FEC_IEEE_T_MCOL);
- printf(" Tx Deferred:%-10lu\n", (uint32_t) MCF5282_FEC_IEEE_T_DEF);
- printf(" Late Collision:%-10lu", (uint32_t) MCF5282_FEC_IEEE_T_LCOL);
- printf(" Excessive Coll:%-10lu", (uint32_t) MCF5282_FEC_IEEE_T_EXCOL);
- printf(" FIFO Underrun:%-10lu\n", (uint32_t) MCF5282_FEC_IEEE_T_MACERR);
- printf(" Carrier Error:%-10lu", (uint32_t) MCF5282_FEC_IEEE_T_CSERR);
- printf(" Tx SQE Error:%-10lu", (uint32_t) MCF5282_FEC_IEEE_T_SQE);
- printf("Tx Pause Frames:%-10lu\n", (uint32_t) MCF5282_FEC_IEEE_T_FDXFC);
- printf(" Tx Octets OK:%-10lu", (uint32_t) MCF5282_FEC_IEEE_T_OCTETS_OK);
- printf(" MII interrupts:%-10lu\n", sc->miiInterrupts);
-
- printf(" EIR:%8.8lx ", (uint32_t) MCF5282_FEC_EIR);
- printf("EIMR:%8.8lx ", (uint32_t) MCF5282_FEC_EIMR);
- printf("RDAR:%8.8lx ", (uint32_t) MCF5282_FEC_RDAR);
- printf("TDAR:%8.8lx\n", (uint32_t) MCF5282_FEC_TDAR);
- printf(" ECR:%8.8lx ", (uint32_t) MCF5282_FEC_ECR);
- printf(" RCR:%8.8lx ", (uint32_t) MCF5282_FEC_RCR);
- printf(" TCR:%8.8lx\n", (uint32_t) MCF5282_FEC_TCR);
- printf("FRBR:%8.8lx ", (uint32_t) MCF5282_FEC_FRBR);
- printf("FRSR:%8.8lx\n", (uint32_t) MCF5282_FEC_FRSR);
- if (sc->txBdActiveCount != 0) {
- int i, n;
- /*
- * Yes, there are races here with adding and retiring descriptors,
- * but this diagnostic is more for when things have backed up.
- */
- printf("Transmit Buffer Descriptors (Tail %d, Head %d, Unretired %d):\n",
- sc->txBdTail,
- sc->txBdHead,
- sc->txBdActiveCount);
- i = sc->txBdTail;
- for (n = 0 ; n < sc->txBdCount ; n++) {
- if ((sc->txBdBase[i].status & MCF5282_FEC_TxBD_R) != 0)
- printf(" %3d: status:%4.4x length:%-4d buffer:%p\n",
- i,
- sc->txBdBase[i].status,
- sc->txBdBase[i].length,
- sc->txBdBase[i].buffer);
- if (++i == sc->txBdCount)
- i = 0;
- }
- }
-}
-
-static int
-fec_ioctl(struct ifnet *ifp, ioctl_command_t command, caddr_t data)
-{
- struct mcf5282_enet_struct *sc = ifp->if_softc;
- int error = 0;
-
- switch (command) {
- case SIOCGIFADDR:
- case SIOCSIFADDR:
- ether_ioctl(ifp, command, data);
- break;
-
- case SIOCSIFFLAGS:
- switch (ifp->if_flags & (IFF_UP | IFF_RUNNING)) {
- case IFF_RUNNING:
- fec_stop(sc);
- break;
-
- case IFF_UP:
- fec_init(sc);
- break;
-
- case IFF_UP | IFF_RUNNING:
- fec_stop(sc);
- fec_init(sc);
- break;
-
- default:
- break;
- }
- break;
-
- case SIO_RTEMS_SHOW_STATS:
- enet_stats(sc);
- break;
-
- /*
- * FIXME: All sorts of multicast commands need to be added here!
- */
- default:
- error = EINVAL;
- break;
- }
- return error;
-}
-
-int
-rtems_fec_driver_attach(struct rtems_bsdnet_ifconfig *config, int attaching )
-{
- struct mcf5282_enet_struct *sc;
- struct ifnet *ifp;
- int mtu;
- int unitNumber;
- char *unitName;
- unsigned char *hwaddr;
-
- /*
- * Parse driver name
- */
- if ((unitNumber = rtems_bsdnet_parse_driver_name (config, &unitName)) < 0)
- return 0;
-
- /*
- * Is driver free?
- */
- if ((unitNumber <= 0) || (unitNumber > NIFACES)) {
- printf("Bad FEC unit number.\n");
- return 0;
- }
- sc = &enet_driver[unitNumber - 1];
- ifp = &sc->arpcom.ac_if;
- if (ifp->if_softc != NULL) {
- printf("Driver already in use.\n");
- return 0;
- }
-
- /*
- * Process options
- */
- printf("%s%d: Ethernet address: ", unitName, unitNumber );
- if (config->hardware_address) {
- hwaddr = config->hardware_address;
- printf("%02x:%02x:%02x:%02x:%02x:%02x\n",
- hwaddr[0], hwaddr[1], hwaddr[2],
- hwaddr[3], hwaddr[4], hwaddr[5]);
- memcpy(sc->arpcom.ac_enaddr, hwaddr, ETHER_ADDR_LEN);
- } else {
- printf("UNKNOWN\n");
- }
-
- if (config->mtu)
- mtu = config->mtu;
- else
- mtu = ETHERMTU;
- if (config->rbuf_count)
- sc->rxBdCount = config->rbuf_count;
- else
- sc->rxBdCount = RX_BUF_COUNT;
- if (config->xbuf_count)
- sc->txBdCount = config->xbuf_count;
- else
- sc->txBdCount = TX_BUF_COUNT * TX_BD_PER_BUF;
-
- sc->acceptBroadcast = !config->ignore_broadcast;
-
- /*
- * Set up network interface values
- */
- ifp->if_softc = sc;
- ifp->if_unit = unitNumber;
- ifp->if_name = unitName;
- ifp->if_mtu = mtu;
- ifp->if_init = fec_init;
- ifp->if_ioctl = fec_ioctl;
- ifp->if_start = mcf5282_enet_start;
- ifp->if_output = ether_output;
- ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX;
- if (ifp->if_snd.ifq_maxlen == 0)
- ifp->if_snd.ifq_maxlen = ifqmaxlen;
-
- /*
- * Attach the interface
- */
- if_attach(ifp);
- ether_ifattach(ifp);
- return 1;
-};
-