Index: c/src/lib/libbsp/m68k/uC5282/network/network.c
===================================================================
--- c/src/lib/libbsp/m68k/uC5282/network/network.c	(revision 572484f1aef2d9544b2b3db98362737a597bf093)
+++ c/src/lib/libbsp/m68k/uC5282/network/network.c	(revision 572484f1aef2d9544b2b3db98362737a597bf093)
@@ -0,0 +1,837 @@
+/*
+ * RTEMS/TCPIP driver for MCF5282 Fast Ethernet Controller
+ *
+ * TO DO: MII communications to set speed, full/half duplex, etc.
+ * TO DO: Check network stack code -- force longword alignment of all tx mbufs?
+ */
+
+#include <bsp.h>
+#include <stdio.h>
+#include <errno.h>
+#include <stdarg.h>
+#include <string.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)
+
+/*
+ * 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 rtems_unsigned16   status;
+    rtems_unsigned16            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   txRawWait;
+    unsigned long   txRealign;
+};
+static struct mcf5282_enet_struct enet_driver[NIFACES];
+
+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_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_event_send(enet_driver[0].txDaemonTid, TX_INTERRUPT_EVENT);
+}
+
+/*
+ * Allocate buffer descriptors from SRAM
+ * Ensure 128-bit (16-byte)alignment
+ */
+static void *
+mcf5282_bd_allocate(unsigned int count)
+{
+    char *p;
+    
+    p = malloc((count * sizeof(mcf5282BufferDescriptor_t)) + 15, 0, M_NOWAIT);
+    if (!p)
+        rtems_panic("FEC BD");
+    if ((int)p & 0xF)
+        p += 16 - ((int)p & 0xF);
+printf("Allocate %d at %p\n", count, p);
+    return p;
+}
+
+/*
+ * Retrieve MAC address from bootloader environment variable area.
+ * Parameter is interface number (0 or 1).
+ */
+static unsigned char *
+gethwaddr(int a)
+{
+   register long __res __asm__ ("%d2") = 12;
+   register long __a __asm__ ("%d1") = (long)a;
+   __asm__ __volatile__ ("trap #2" \
+                         : "=g" (__res) \
+                         : "0" (__res), "d" (__a) \
+                         : "%d0");
+   return (unsigned char *)(__res);
+}
+
+static void
+mcf5282_fec_initialize_hardware(struct mcf5282_enet_struct *sc)
+{
+    int i;
+    unsigned char *hwaddr;
+    rtems_status_code status;
+    rtems_isr_entry old_handler;
+	unsigned32 clock_speed = get_CPU_clock_speed();
+
+/*  extern struct rtems_bsdnet_ifconfig netdriver_config; */
+
+
+    /*
+     * Issue reset to FEC
+     */
+    MCF5282_FEC_ECR = MCF5282_FEC_ECR_RESET;
+    rtems_task_wake_after( 1 );
+    /*
+     * 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
+     *   Half duplex
+     *   No loopback
+     */
+    MCF5282_FEC_RCR = MCF5282_FEC_RCR_MAX_FL(MAX_MTU_SIZE) | 
+                      MCF5282_FEC_RCR_MII_MODE             |
+                      MCF5282_FEC_RCR_DRT;
+
+    /*
+     * Set up Transmit Control Register:
+     *   Half duplex
+     *   No heartbeat
+     */
+    MCF5282_FEC_TCR = 0;
+
+    /*
+     * 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
+     */
+    if (clock_speed <= 25000000)
+        MCF5282_FEC_MSCR = MCF5282_FEC_MSCR_MII_SPEED(0x5);
+    else if (clock_speed <= 33000000)
+        MCF5282_FEC_MSCR = MCF5282_FEC_MSCR_MII_SPEED(0x7);
+    else if (clock_speed <= 40000000)
+        MCF5282_FEC_MSCR = MCF5282_FEC_MSCR_MII_SPEED(0x8);
+    else if (clock_speed <= 50000000)
+        MCF5282_FEC_MSCR = MCF5282_FEC_MSCR_MII_SPEED(0xA);
+    else if (clock_speed <= 66000000)
+        MCF5282_FEC_MSCR = MCF5282_FEC_MSCR_MII_SPEED(0xD);
+    else
+        MCF5282_FEC_MSCR = MCF5282_FEC_MSCR_MII_SPEED(0xF);
+
+    /*
+     * 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);
+}
+
+/*
+ * Soak up buffer descriptors that have been sent.
+ */
+static void
+fec_retire_tx_bd(volatile struct mcf5282_enet_struct *sc )
+{
+    struct mbuf *m, *n;
+
+    while ((sc->txBdActiveCount != 0)
+        && ((sc->txBdBase[sc->txBdTail].status & MCF5282_FEC_TxBD_R) == 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 rtems_unsigned16 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 = MCF5282_FEC_RDAR_R_DES_ACTIVE;
+
+    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;
+
+            /*
+             * Invalidate the buffer for this descriptor
+             */
+            m = sc->rxMbuf[rxBdIndex];
+            m->m_len = m->m_pkthdr.len = rxBd->length -
+                       sizeof(rtems_unsigned32) -
+                       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 = MCF5282_FEC_RDAR_R_DES_ACTIVE;
+
+        /*
+         * 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;
+    rtems_unsigned16 status;
+    int nAdded;
+
+   /*
+     * 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;
+    
+    for (;;) {
+        /* 
+         * 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.
+         */
+        txBd = sc->txBdBase + sc->txBdHead;
+        if (m->m_len) {
+            char *p = mtod(m, char *);
+            /*
+             * Stupid FEC can't handle misaligned data!
+             * Given the way that mbuf's are layed out it should be
+             * safe to shuffle the data down like this.....
+             * Perhaps this code could be improved with a "Duff's Device".
+             */
+            if ((int)p & 0x3) {
+                int l = m->m_len;
+                char *dest = p - ((int)p & 0x3);
+                unsigned16 *o = (unsigned16 *)dest, *i = (unsigned16 *)p;
+                while (l > 0) {
+                    *o++ = *i++;
+                    l -= sizeof(unsigned16);
+                }
+                p = dest;
+                sc->txRealign++;
+            }
+            txBd->buffer = p;
+            txBd->length = m->m_len;
+            sc->txMbuf[sc->txBdHead] = m;
+            nAdded++;
+            if (++sc->txBdHead == sc->txBdCount) {
+                status |= MCF5282_FEC_TxBD_W;
+                sc->txBdHead = 0;
+            }
+            m = m->m_next;
+        }
+        else {
+            /*
+             * Just toss empty mbufs
+             */
+            struct mbuf *n;
+            MFREE(m, n);
+            m = n;
+        }
+        if (m == NULL) {
+          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 = MCF5282_FEC_TDAR_X_DES_ACTIVE;
+            sc->txBdActiveCount += nAdded;
+          }
+          break;
+        }
+        txBd->status = status;
+    }
+}
+
+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_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",   MCF5282_FEC_RMON_R_PACKETS);
+    printf("   Rx Broadcast:%-10lu\n", MCF5282_FEC_RMON_R_BC_PKT);
+    printf("   Rx Multicast:%-10lu",   MCF5282_FEC_RMON_R_MC_PKT);
+    printf("CRC/Align error:%-10lu",   MCF5282_FEC_RMON_R_CRC_ALIGN);
+    printf("   Rx Undersize:%-10lu\n", MCF5282_FEC_RMON_R_UNDERSIZE);
+    printf("    Rx Oversize:%-10lu",   MCF5282_FEC_RMON_R_OVERSIZE);
+    printf("    Rx Fragment:%-10lu",   MCF5282_FEC_RMON_R_FRAG);
+    printf("      Rx Jabber:%-10lu\n", MCF5282_FEC_RMON_R_JAB);
+    printf("          Rx 64:%-10lu",   MCF5282_FEC_RMON_R_P64);
+    printf("      Rx 65-127:%-10lu",   MCF5282_FEC_RMON_R_P65T0127);
+    printf("     Rx 128-255:%-10lu\n", MCF5282_FEC_RMON_R_P128TO255);
+    printf("     Rx 256-511:%-10lu",   MCF5282_FEC_RMON_R_P256TO511);
+    printf("    Rx 511-1023:%-10lu",   MCF5282_FEC_RMON_R_P512TO1023);
+    printf("   Rx 1024-2047:%-10lu\n", MCF5282_FEC_RMON_R_P1024TO2047);
+    printf("      Rx >=2048:%-10lu",   MCF5282_FEC_RMON_R_GTE2048);
+    printf("      Rx Octets:%-10lu",   MCF5282_FEC_RMON_R_OCTETS);
+    printf("     Rx Dropped:%-10lu\n", MCF5282_FEC_IEEE_R_DROP);
+    printf("    Rx frame OK:%-10lu",   MCF5282_FEC_IEEE_R_FRAME_OK);
+    printf("   Rx CRC error:%-10lu",   MCF5282_FEC_IEEE_R_CRC);
+    printf(" Rx Align error:%-10lu\n", MCF5282_FEC_IEEE_R_ALIGN);
+    printf("  FIFO Overflow:%-10lu",   MCF5282_FEC_IEEE_R_MACERR);
+    printf("Rx Pause Frames:%-10lu",   MCF5282_FEC_IEEE_R_FDXFC);
+    printf("   Rx Octets OK:%-10lu\n", MCF5282_FEC_IEEE_R_OCTETS_OK);
+    printf("  Tx Interrupts:%-10lu",   sc->txInterrupts);
+    printf("Tx Output Waits:%-10lu",   sc->txRawWait);
+    printf("Tx Realignments:%-10lu\n",   sc->txRealign);
+    printf(" Tx Unaccounted:%-10lu", MCF5282_FEC_RMON_T_DROP);
+    printf("Tx Packet Count:%-10lu",   MCF5282_FEC_RMON_T_PACKETS);
+    printf("   Tx Broadcast:%-10lu\n",   MCF5282_FEC_RMON_T_BC_PKT);
+    printf("   Tx Multicast:%-10lu", MCF5282_FEC_RMON_T_MC_PKT);
+    printf("CRC/Align error:%-10lu",   MCF5282_FEC_RMON_T_CRC_ALIGN);
+    printf("   Tx Undersize:%-10lu\n",   MCF5282_FEC_RMON_T_UNDERSIZE);
+    printf("    Tx Oversize:%-10lu", MCF5282_FEC_RMON_T_OVERSIZE);
+    printf("    Tx Fragment:%-10lu",   MCF5282_FEC_RMON_T_FRAG);
+    printf("      Tx Jabber:%-10lu\n",   MCF5282_FEC_RMON_T_JAB);
+    printf("  Tx Collisions:%-10lu", MCF5282_FEC_RMON_T_COL);
+    printf("          Tx 64:%-10lu",   MCF5282_FEC_RMON_T_P64);
+    printf("      Tx 65-127:%-10lu\n",   MCF5282_FEC_RMON_T_P65TO127);
+    printf("     Tx 128-255:%-10lu", MCF5282_FEC_RMON_T_P128TO255);
+    printf("     Tx 256-511:%-10lu",   MCF5282_FEC_RMON_T_P256TO511);
+    printf("    Tx 511-1023:%-10lu\n",   MCF5282_FEC_RMON_T_P512TO1023);
+    printf("   Tx 1024-2047:%-10lu", MCF5282_FEC_RMON_T_P1024TO2047);
+    printf("      Tx >=2048:%-10lu",   MCF5282_FEC_RMON_T_P_GTE2048);
+    printf("      Tx Octets:%-10lu\n",   MCF5282_FEC_RMON_T_OCTETS);
+    printf("     Tx Dropped:%-10lu", MCF5282_FEC_IEEE_T_DROP);
+    printf("    Tx Frame OK:%-10lu",   MCF5282_FEC_IEEE_T_FRAME_OK);
+    printf(" Tx 1 Collision:%-10lu\n",   MCF5282_FEC_IEEE_T_1COL);
+    printf("Tx >1 Collision:%-10lu", MCF5282_FEC_IEEE_T_MCOL);
+    printf("    Tx Deferred:%-10lu",   MCF5282_FEC_IEEE_T_DEF);
+    printf(" Late Collision:%-10lu\n",   MCF5282_FEC_IEEE_T_LCOL);
+    printf(" Excessive Coll:%-10lu", MCF5282_FEC_IEEE_T_EXCOL);
+    printf("  FIFO Underrun:%-10lu",   MCF5282_FEC_IEEE_T_MACERR);
+    printf("  Carrier Error:%-10lu\n",   MCF5282_FEC_IEEE_T_CSERR);
+    printf("   Tx SQE Error:%-10lu", MCF5282_FEC_IEEE_T_SQE);
+    printf("Tx Pause Frames:%-10lu",   MCF5282_FEC_IEEE_T_FDXFC);
+    printf("   Tx Octets OK:%-10lu\n", MCF5282_FEC_IEEE_T_OCTETS_OK);
+}
+
+static int
+fec_ioctl(struct ifnet *ifp, int 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;
+
+printf("attaching\n"); rtems_task_wake_after(10);
+    /*
+     * 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 FECC 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
+     */
+    if (config->hardware_address)
+        hwaddr = config->hardware_address;
+    else
+        hwaddr = gethwaddr(unitNumber - 1);
+    printf("%s%d: Ethernet address: %02x:%02x:%02x:%02x:%02x:%02x\n",
+                                            unitName, unitNumber,
+                                            hwaddr[0], hwaddr[1], hwaddr[2],
+                                            hwaddr[3], hwaddr[4], hwaddr[5]);
+    memcpy(sc->arpcom.ac_enaddr, hwaddr, ETHER_ADDR_LEN);
+
+    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;
+};
+
