diff options
Diffstat (limited to 'bsps/lm32/shared/net/tsmac.c')
| -rw-r--r-- | bsps/lm32/shared/net/tsmac.c | 821 |
1 files changed, 0 insertions, 821 deletions
diff --git a/bsps/lm32/shared/net/tsmac.c b/bsps/lm32/shared/net/tsmac.c deleted file mode 100644 index 52abc64494..0000000000 --- a/bsps/lm32/shared/net/tsmac.c +++ /dev/null @@ -1,821 +0,0 @@ -/* - * This file contains definitions for LatticeMico32 TSMAC (Tri-Speed MAC) - * - * COPYRIGHT (c) 1989-1999. - * On-Line Applications Research Corporation (OAR). - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rtems.org/license/LICENSE. - * - * Jukka Pietarinen <jukka.pietarinen@mrf.fi>, 2008, - * Micro-Research Finland Oy - */ - -#include <machine/rtems-bsd-kernel-space.h> - -#include <rtems.h> -#include <bsp.h> -#include <stdio.h> -#include <string.h> -#include <errno.h> -#include <rtems/error.h> -#include <rtems/bspIo.h> -#include <rtems/rtems_bsdnet.h> - -#include <sys/param.h> -#include <sys/mbuf.h> -#include <sys/socket.h> -#include <sys/sockio.h> - -#include <net/if.h> - -#include <netinet/in.h> -#include <netinet/if_ether.h> - -#include "../include/system_conf.h" -#include "tsmac.h" -#include "dp83848phy.h" - -struct tsmac_softc { - struct arpcom arpcom; - void *ioaddr; - rtems_id rxDaemonTid; - rtems_id txDaemonTid; - - /* - * Statistics - */ - int rxInterrupts; - int rxPktIgnore; - int rxLenCheckError; - int rxLongFrame; - int rxShortFrame; - int rxIPGViolation; - int rxCRCError; - int rxOKPackets; - int rxControlFrame; - int rxPauseFrame; - int rxMulticast; - int rxBroadcast; - int rxVLANTag; - int rxPreShrink; - int rxDribNib; - int rxUnsupOPCD; - int rxByteCnt; - int rxFifoFull; - - int txInterrupts; - int txUnicast; - int txPauseFrame; - int txMulticast; - int txBroadcast; - int txVLANTag; - int txBadFCS; - int txJumboCnt; - int txByteCnt; - int txLostCarrier; - int txFifoFull; -}; - -/* - * Macros to access tsmac wrapper registers. - */ - -static inline uint32_t tsmacread(unsigned int reg) -{ - return *((uint32_t *)(TS_MAC_CORE_BASE_ADDRESS + reg)); -} - -static inline void tsmacwrite(unsigned int reg, uint32_t value) -{ - *((uint32_t *)(TS_MAC_CORE_BASE_ADDRESS + reg)) = value; -} - -/* - * tsmac is a wishbone to MAC wrapper. - * The macros below access to MAC registers. - */ - -static inline uint16_t tsmacregread(unsigned int reg) -{ - tsmacwrite(LM32_TSMAC_MAC_REGS_ADDR_RW, reg); - return *((uint16_t *)(TS_MAC_CORE_BASE_ADDRESS + LM32_TSMAC_MAC_REGS_DATA + 2)); -} - -static inline void tsmacregwrite(unsigned int reg, uint16_t value) -{ - *((uint16_t *)(TS_MAC_CORE_BASE_ADDRESS + LM32_TSMAC_MAC_REGS_DATA + 2)) = value; - tsmacwrite(LM32_TSMAC_MAC_REGS_ADDR_RW, REGS_ADDR_WRITE | reg); -} - -/* -#define DEBUG 1 -*/ - -/* We support one interface */ - -#define TSMAC_NUM 1 -#define TSMAC_NAME "TSMAC" -#define TSMAC_MAC0 0x00 -#define TSMAC_MAC1 0x0E -#define TSMAC_MAC2 0xB2 -#define TSMAC_MAC3 0x00 -#define TSMAC_MAC4 0x00 -#define TSMAC_MAC5 0x01 - -/* - * The interrupt vector number associated with the tsmac device - * driver. - */ - -#define TSMAC_VECTOR ( TS_MAC_CORE_IRQ ) -#define TSMAC_IRQMASK ( 1 << TSMAC_VECTOR ) - -rtems_isr tsmac_interrupt_handler(rtems_vector_number vector); - -extern rtems_isr_entry set_vector(rtems_isr_entry handler, - rtems_vector_number vector, int type); - -/* - * Macros to access PHY registers through the (G)MII - */ - -uint16_t tsmacphyread(unsigned int reg) -{ - tsmacregwrite(LM32_TSMAC_GMII_MNG_CTL_BYTE0, - ((DEFAULT_PHY_ADDRESS & GMII_MNG_CTL_PHY_ADD_MASK) << - GMII_MNG_CTL_PHY_ADD_SHIFT) | - ((reg & GMII_MNG_CTL_REG_ADD_MASK) << - GMII_MNG_CTL_REG_ADD_SHIFT) | - GMII_MNG_CTL_READ_PHYREG); - - /* Wait for management interface to be ready */ - while(!(tsmacregread(LM32_TSMAC_GMII_MNG_CTL_BYTE0) & GMII_MNG_CTL_CMD_FIN)); - - return tsmacregread(LM32_TSMAC_GMII_MNG_DAT_BYTE0); -} - -void tsmacphywrite(unsigned int reg, uint16_t value) -{ - tsmacregwrite(LM32_TSMAC_GMII_MNG_DAT_BYTE0, value); - tsmacregwrite(LM32_TSMAC_GMII_MNG_CTL_BYTE0, - ((DEFAULT_PHY_ADDRESS & GMII_MNG_CTL_PHY_ADD_MASK) << - GMII_MNG_CTL_PHY_ADD_SHIFT) | - ((reg & GMII_MNG_CTL_REG_ADD_MASK) << - GMII_MNG_CTL_REG_ADD_SHIFT) | - GMII_MNG_CTL_WRITE_PHYREG); - - /* Wait for management interface to be ready */ - while(!(tsmacregread(LM32_TSMAC_GMII_MNG_CTL_BYTE0) & GMII_MNG_CTL_CMD_FIN)); -} - -/* - * Event definitions - */ -#define INTERRUPT_EVENT RTEMS_EVENT_1 -#define START_TRANSMIT_EVENT RTEMS_EVENT_2 - -static struct tsmac_softc tsmac_softc[TSMAC_NUM]; - -#ifdef CPU_U32_FIX - -/* - * Routine to align the received packet so that the ip header - * is on a 32-bit boundary. Necessary for cpu's that do not - * allow unaligned loads and stores and when the 32-bit DMA - * mode is used. - * - * Transfers are done on word basis to avoid possibly slow byte - * and half-word writes. - * - * Copied over from sonic.c driver - */ - -void ipalign(struct mbuf *m) -{ - unsigned int *first, *last, data; - unsigned int tmp = 0; - - if ((((int) m->m_data) & 2) && (m->m_len)) { - last = (unsigned int *) ((((int) m->m_data) + m->m_len + 8) & ~3); - first = (unsigned int *) (((int) m->m_data) & ~3); - tmp = *first << 16; - first++; - do { - data = *first; - *first = tmp | (data >> 16); - tmp = data << 16; - first++; - } while (first <= last); - - m->m_data = (caddr_t)(((int) m->m_data) + 2); - } -} -#endif - -/* - * Receive task - */ -static void tsmac_rxDaemon(void *arg) -{ - struct tsmac_softc *tsmac = (struct tsmac_softc *) arg; - struct ifnet *ifp = &tsmac->arpcom.ac_if; - rtems_event_set events; - int rxq, count, len, data; - -#ifdef DEBUG - printk(TSMAC_NAME ": tsmac_rxDaemon\n"); -#endif - - for(;;) - { - rtems_bsdnet_event_receive( RTEMS_ALL_EVENTS, - RTEMS_WAIT | RTEMS_EVENT_ANY, - RTEMS_NO_TIMEOUT, - &events); - -#ifdef DEBUG - printk(TSMAC_NAME ": tsmac_rxDaemon wakeup\n"); -#endif - - for (;;) - { - struct mbuf* m; - struct ether_header* eh; - uint32_t *buf; - - /* Get number of RX frames in RX FIFO */ - rxq = tsmacread(LM32_TSMAC_RX_FRAMES_CNT); - - if (rxq == 0) - break; - - /* Get length of frame */ - len = tsmacread(LM32_TSMAC_RX_LEN_FIFO); -#ifdef DEBUG - printk(TSMAC_NAME ": Frames %d, len 0x%04x (%d)\n", - rxq, len, len); -#endif - - /* - * Get memory for packet - */ - MGETHDR(m, M_WAIT, MT_DATA); - MCLGET(m, M_WAIT); - - m->m_pkthdr.rcvif = ifp; - - buf = (uint32_t *) mtod(m, uint32_t*); - for (count = 0; count < len; count += 4) - { - data = tsmacread(LM32_TSMAC_RX_DATA_FIFO); - *buf++ = data; -#ifdef DEBUG - printk("%08x ", data); -#endif - } -#ifdef DEBUG - printk("\n"); -#endif - - m->m_len = m->m_pkthdr.len = - len - sizeof(uint32_t) - sizeof(struct ether_header); - eh = mtod(m, struct ether_header*); - m->m_data += sizeof(struct ether_header); - -#ifdef CPU_U32_FIX - ipalign(m); /* Align packet on 32-bit boundary */ -#endif - - /* Notify the ip stack that there is a new packet */ - ether_input(ifp, eh, m); - - /* - * Release RX frame - */ - } - } -} - -static unsigned char tsmac_txbuf[2048]; - -static void tsmac_sendpacket(struct ifnet *ifp, struct mbuf *m) -{ - struct mbuf *nm = m; - int len = 0, i; - uint32_t *buf; - -#ifdef DEBUG - printk(TSMAC_NAME ": tsmac_sendpacket\n"); -#endif - - do - { -#ifdef DEBUG - printk("mbuf: 0x%08x len %03x: ", nm->m_data, nm->m_len); - for (i = 0; i < nm->m_len; i++) - { - printk("%02x", mtod(nm, unsigned char*)[i]); - if (i & 1) - printk(" "); - } - printk("\n"); -#endif - - if (nm->m_len > 0) - { - memcpy(&tsmac_txbuf[len], (char *)nm->m_data, nm->m_len); - len += nm->m_len; - } - } - while ((nm = nm->m_next) != 0); - - buf = (uint32_t *) tsmac_txbuf; - for (i = 0; i < len; i += 4) - { -#ifdef DEBUG - printk("%08x", *buf); -#endif - tsmacwrite(LM32_TSMAC_TX_DATA_FIFO, *buf++); - } -#ifdef DEBUG - printk("\n"); -#endif - - /* - * Enqueue TX frame - */ - tsmacwrite(LM32_TSMAC_TX_LEN_FIFO, len); -} - -/* - * Transmit task - */ -static void tsmac_txDaemon(void *arg) -{ - struct tsmac_softc *tsmac = (struct tsmac_softc *) arg; - struct ifnet *ifp = &tsmac->arpcom.ac_if; - struct mbuf *m; - rtems_event_set events; - int txq; - -#ifdef DEBUG - printk(TSMAC_NAME ": tsmac_txDaemon\n"); -#endif - - for (;;) - { - /* - * Wait for packet - */ - rtems_bsdnet_event_receive (START_TRANSMIT_EVENT | INTERRUPT_EVENT, - RTEMS_EVENT_ANY | RTEMS_WAIT, - RTEMS_NO_TIMEOUT, &events); -#ifdef DEBUG - printk(TSMAC_NAME ": tsmac_txDaemon event\n"); -#endif - for (;;) - { - /* - * Here we should read amount of transmit memory available - */ - - txq = 2048; - - if (txq < ifp->if_mtu) - { - /* - * Here we need to enable transmit done IRQ - */ -#ifdef DEBUG - printk(TSMAC_NAME ": TXMA %d < MTU + CW%d\n", txq, - ifp->if_mtu); -#endif - break; - } - - /* - * Get the next mbuf chain to transmit. - */ - IF_DEQUEUE(&ifp->if_snd, m); -#ifdef DEBUG - printk(TSMAC_NAME ": mbuf %08x\n", (int) m); -#endif - if (!m) - break; - tsmac_sendpacket(ifp, m); - - m_freem(m); - } - ifp->if_flags &= ~IFF_OACTIVE; - } -} - -/* - * Initialize TSMAC hardware - */ -void tsmac_init_hardware(struct tsmac_softc *tsmac) -{ - unsigned char *mac_addr; - int version_id, phyid, stat; - -#ifdef DEBUG - printk(TSMAC_NAME ": tsmac_init_hardware\n"); -#endif - - version_id = tsmacread(LM32_TSMAC_VERID); -#ifdef DEBUG - printk(TSMAC_NAME ": Version ID %08x\n", version_id); -#endif - -#ifdef DEBUG - printk(TSMAC_NAME ": MAC MODE %04x\n", tsmacregread(LM32_TSMAC_MODE_BYTE0)); - printk(TSMAC_NAME ": MAC TX_RX_CTL %04x\n", tsmacregread(LM32_TSMAC_TX_RX_CTL_BYTE0)); - printk(TSMAC_NAME ": MAC MAX_PKT_SIZE %04x\n", tsmacregread(LM32_TSMAC_MAX_PKT_SIZE_BYTE0)); - printk(TSMAC_NAME ": MAC IPG_VAL %04x\n", tsmacregread(LM32_TSMAC_IPG_VAL_BYTE0)); - printk(TSMAC_NAME ": MAC MAC_ADDR0 %04x\n", - tsmacregread(LM32_TSMAC_MAC_ADDR_0_BYTE0)); - printk(TSMAC_NAME ": MAC MAC_ADDR1 %04x\n", - tsmacregread(LM32_TSMAC_MAC_ADDR_1_BYTE0)); - printk(TSMAC_NAME ": MAC MAC_ADDR2 %04x\n", - tsmacregread(LM32_TSMAC_MAC_ADDR_2_BYTE0)); - printk(TSMAC_NAME ": MAC TX_RX_STS %04x\n", - tsmacregread(LM32_TSMAC_TX_RX_STS_BYTE0)); -#endif - - /* - * Set our physical address - */ - mac_addr = tsmac->arpcom.ac_enaddr; - tsmacregwrite(LM32_TSMAC_MAC_ADDR_0_BYTE0, (mac_addr[0] << 8) | mac_addr[1]); - tsmacregwrite(LM32_TSMAC_MAC_ADDR_1_BYTE0, (mac_addr[2] << 8) | mac_addr[3]); - tsmacregwrite(LM32_TSMAC_MAC_ADDR_2_BYTE0, (mac_addr[4] << 8) | mac_addr[5]); - -#ifdef DEBUG - printk(TSMAC_NAME ": After setting MAC address.\n"); - printk(TSMAC_NAME ": MAC MAC_ADDR0 %04x\n", - tsmacregread(LM32_TSMAC_MAC_ADDR_0_BYTE0)); - printk(TSMAC_NAME ": MAC MAC_ADDR1 %04x\n", - tsmacregread(LM32_TSMAC_MAC_ADDR_1_BYTE0)); - printk(TSMAC_NAME ": MAC MAC_ADDR2 %04x\n", - tsmacregread(LM32_TSMAC_MAC_ADDR_2_BYTE0)); -#endif - - /* - * Configure PHY - */ - - phyid = tsmacphyread(PHY_PHYIDR1); -#ifdef DEBUG - printk(TSMAC_NAME ": PHYIDR1 %08x\n", phyid); -#endif - phyid = tsmacphyread(PHY_PHYIDR2); -#ifdef DEBUG - printk(TSMAC_NAME ": PHYIDR2 %08x\n", phyid); -#endif - -#ifdef TSMAC_FORCE_10BASET - /* Force 10baseT mode, no AN, full duplex */ - tsmacphywrite(PHY_BMCR, PHY_BMCR_DUPLEX_MODE); - stat = tsmacphyread(PHY_BMCR); -#ifdef DEBUG - printk(TSMAC_NAME ": PHY BMCR %04x, wrote %04x\n", stat, - PHY_BMCR_DUPLEX_MODE); -#endif - stat = tsmacphyread(PHY_BMSR); -#ifdef DEBUG - printk(TSMAC_NAME ": PHY BMSR %04x\n", stat); -#endif - /* Support for 10baseT modes only */ - tsmacphywrite(PHY_ANAR, PHY_ANAR_10_FD | PHY_ANAR_10 | PHY_ANAR_SEL_DEF); - stat = tsmacphyread(PHY_ANAR); -#ifdef DEBUG - printk(TSMAC_NAME ": PHY ANAR %04x, wrote %04x\n", stat, - PHY_ANAR_10_FD | PHY_ANAR_10 | PHY_ANAR_SEL_DEF); -#endif -#endif /* TSMAC_FORCE_10BASET */ - stat = tsmacphyread(PHY_PHYSTS); -#ifdef DEBUG - printk(TSMAC_NAME ": PHY PHYSTS %04x\n", stat); -#endif - - /* Enable receive and transmit interrupts */ - tsmacwrite(LM32_TSMAC_INTR_ENB, INTR_ENB | - INTR_RX_SMRY | INTR_TX_SMRY | - INTR_RX_PKT_RDY | INTR_TX_PKT_SENT); -} - -/* - * Initialize and start the device - */ -void tsmac_init(void *arg) -{ - struct tsmac_softc *tsmac = &tsmac_softc[0]; - struct ifnet *ifp = &tsmac->arpcom.ac_if; - -#ifdef DEBUG - printk(TSMAC_NAME ": tsmac_init, tsmac->txDaemonTid = 0x%x\n", - tsmac->txDaemonTid); -#endif - - if (tsmac->txDaemonTid == 0) - { - /* - * Initialize hardware - */ - tsmac_init_hardware(tsmac); - - /* - * Start driver tasks - */ - tsmac->txDaemonTid = rtems_bsdnet_newproc ("TSMACtx", 4096, - tsmac_txDaemon, tsmac); - tsmac->rxDaemonTid = rtems_bsdnet_newproc ("TSMACrx", 4096, - tsmac_rxDaemon, tsmac); - /* - * Setup interrupt handler - */ - set_vector( tsmac_interrupt_handler, TSMAC_VECTOR, 1 ); - - /* Interrupt line for TSMAC */ - lm32_interrupt_unmask(TSMAC_IRQMASK); - } - - ifp->if_flags |= IFF_RUNNING; - - /* - * Receive broadcast - */ - - tsmacregwrite(LM32_TSMAC_TX_RX_CTL_BYTE0, TX_RX_CTL_RECEIVE_BRDCST | - TX_RX_CTL_RECEIVE_PAUSE); - - /* - * Enable transmitter - * Flow control enable - * Enable receiver - */ - - tsmacregwrite(LM32_TSMAC_MODE_BYTE0, MODE_TX_EN | MODE_RX_EN | MODE_FC_EN); - - /* - * Wake up receive task to receive packets in queue - */ - rtems_bsdnet_event_send(tsmac->rxDaemonTid, INTERRUPT_EVENT); -} - -void tsmac_stop(struct ifnet *ifp) -{ - /* - * Mask tsmac interrupts - */ - lm32_interrupt_mask(TSMAC_IRQMASK); - - ifp->if_flags &= ~IFF_RUNNING; - - /* - * Disable transmitter and receiver - */ - tsmacregwrite(LM32_TSMAC_MODE_BYTE0, 0); -} - -/* - * Send packet - */ -void tsmac_start(struct ifnet *ifp) -{ - struct tsmac_softc *tsmac = ifp->if_softc; - - rtems_bsdnet_event_send (tsmac->txDaemonTid, START_TRANSMIT_EVENT); - ifp->if_flags |= IFF_OACTIVE; -} - -void tsmac_stats(struct tsmac_softc *tsmac) -{ - /* - * Update counters from TSMAC MIB counters - */ - - tsmac->rxPktIgnore = tsmacread(LM32_TSMAC_RX_PKT_IGNR_CNT); - tsmac->rxLenCheckError = tsmacread(LM32_TSMAC_RX_LEN_CHK_ERR_CNT); - tsmac->rxLongFrame = tsmacread(LM32_TSMAC_RX_LNG_FRM_CNT); - tsmac->rxShortFrame = tsmacread(LM32_TSMAC_RX_SHRT_FRM_CNT); - tsmac->rxIPGViolation = tsmacread(LM32_TSMAC_RX_IPG_VIOL_CNT); - tsmac->rxCRCError = tsmacread(LM32_TSMAC_RX_CRC_ERR_CNT); - tsmac->rxOKPackets = tsmacread(LM32_TSMAC_RX_OK_PKT_CNT); - tsmac->rxControlFrame = tsmacread(LM32_TSMAC_RX_CTL_FRM_CNT); - tsmac->rxPauseFrame = tsmacread(LM32_TSMAC_RX_PAUSE_FRM_CNT); - tsmac->rxMulticast = tsmacread(LM32_TSMAC_RX_MULTICAST_CNT); - tsmac->rxBroadcast = tsmacread(LM32_TSMAC_RX_BRDCAST_CNT); - tsmac->rxVLANTag = tsmacread(LM32_TSMAC_RX_VLAN_TAG_CNT); - tsmac->rxPreShrink = tsmacread(LM32_TSMAC_RX_PRE_SHRINK_CNT); - tsmac->rxDribNib = tsmacread(LM32_TSMAC_RX_DRIB_NIB_CNT); - tsmac->rxUnsupOPCD = tsmacread(LM32_TSMAC_RX_UNSUP_OPCD_CNT); - tsmac->rxByteCnt = tsmacread(LM32_TSMAC_RX_BYTE_CNT); - - tsmac->txUnicast = tsmacread(LM32_TSMAC_TX_UNICAST_CNT); - tsmac->txPauseFrame = tsmacread(LM32_TSMAC_TX_PAUSE_FRM_CNT); - tsmac->txMulticast = tsmacread(LM32_TSMAC_TX_MULTICAST_CNT); - tsmac->txBroadcast = tsmacread(LM32_TSMAC_TX_BRDCAST_CNT); - tsmac->txVLANTag = tsmacread(LM32_TSMAC_TX_VLAN_TAG_CNT); - tsmac->txBadFCS = tsmacread(LM32_TSMAC_TX_BAD_FCS_CNT); - tsmac->txJumboCnt = tsmacread(LM32_TSMAC_TX_JUMBO_CNT); - tsmac->txByteCnt = tsmacread(LM32_TSMAC_TX_BYTE_CNT); - - printk("RX Interrupts: %8d", tsmac->rxInterrupts); - printk(" RX Len Chk Error: %8d", tsmac->rxLenCheckError); - printk(" RX Long Frame: %8d\n", tsmac->rxLongFrame); - printk("RX Short Frame: %8d", tsmac->rxShortFrame); - printk(" RX IPG Violation: %8d", tsmac->rxIPGViolation); - printk(" RX CRC Errors: %8d\n", tsmac->rxCRCError); - printk("RX OK Packets: %8d", tsmac->rxOKPackets); - printk(" RX Control Frame: %8d", tsmac->rxControlFrame); - printk(" RX Pause Frame: %8d\n", tsmac->rxPauseFrame); - printk("RX Multicast: %8d", tsmac->rxMulticast); - printk(" RX Broadcast: %8d", tsmac->rxBroadcast); - printk(" RX VLAN Tag: %8d\n", tsmac->rxVLANTag); - printk("RX Pre Shrink: %8d", tsmac->rxPreShrink); - printk(" RX Dribb. Nibble: %8d", tsmac->rxDribNib); - printk(" RX Unsupp. OPCD: %8d\n", tsmac->rxUnsupOPCD); - printk("RX Byte Count: %8d", tsmac->rxByteCnt); - printk(" RX FIFO Full: %8d\n", tsmac->rxFifoFull); - - printk("TX Interrupts: %8d", tsmac->txInterrupts); - printk(" TX Unicast: %8d", tsmac->txUnicast); - printk(" TX Pause Frame: %8d\n", tsmac->txPauseFrame); - printk("TX Multicast: %8d", tsmac->txMulticast); - printk(" TX Broadcast: %8d", tsmac->txBroadcast); - printk(" TX VLAN Tag: %8d\n", tsmac->txVLANTag); - printk("TX Bad FSC: %8d", tsmac->txBadFCS); - printk(" TX Jumbo Frame: %8d", tsmac->txJumboCnt); - printk(" TX Byte Count: %8d\n", tsmac->txByteCnt); - printk("TX FIFO Full: %8d\n", tsmac->txFifoFull); -} - -/* - * TSMAC ioctl handler - */ - -int tsmac_ioctl(struct ifnet *ifp, ioctl_command_t command, caddr_t data) -{ - struct tsmac_softc *tsmac = 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: - tsmac_stop ((struct ifnet *) tsmac); - break; - - case IFF_UP: - tsmac_init ((struct ifnet *) tsmac); - break; - - case IFF_UP | IFF_RUNNING: - tsmac_stop ((struct ifnet *) tsmac); - tsmac_init ((struct ifnet *) tsmac); - break; - - default: - break; - } - break; - - case SIO_RTEMS_SHOW_STATS: - tsmac_stats (tsmac); - break; - - default: - error = EINVAL; - break; - } - return error; -} - -/* - * Attach a TSMAC driver - */ -int rtems_tsmac_driver_attach(struct rtems_bsdnet_ifconfig *config, int attaching) -{ - struct tsmac_softc *tsmac; - struct ifnet *ifp; - int mtu, i; - int unit; - char *unitName; - - if ((unit = rtems_bsdnet_parse_driver_name(config, &unitName)) < 0) - { - printk(TSMAC_NAME ": Driver name parsing failed.\n"); - return 0; - } - - if ((unit < 0) || (unit >= TSMAC_NUM)) - { - printk(TSMAC_NAME ": Bad unit number %d.\n", unit); - return 0; - } - - tsmac = &tsmac_softc[unit]; - - ifp = &tsmac->arpcom.ac_if; - if (ifp->if_softc != NULL) - { - printk(TSMAC_NAME ": Driver already in use.\n"); - return 0; - } - - /* Base address for TSMAC */ - if (config->bpar == 0) - { - printk(TSMAC_NAME ": Using default base address 0x%08x.\n", TS_MAC_CORE_BASE_ADDRESS); - config->bpar = TS_MAC_CORE_BASE_ADDRESS; - } - tsmac->ioaddr = config->bpar; - - /* Hardware address for TSMAC */ - if (config->hardware_address == 0) - { - printk(TSMAC_NAME ": Using default hardware address.\n"); - tsmac->arpcom.ac_enaddr[0] = TSMAC_MAC0; - tsmac->arpcom.ac_enaddr[1] = TSMAC_MAC1; - tsmac->arpcom.ac_enaddr[2] = TSMAC_MAC2; - tsmac->arpcom.ac_enaddr[3] = TSMAC_MAC3; - tsmac->arpcom.ac_enaddr[4] = TSMAC_MAC4; - tsmac->arpcom.ac_enaddr[5] = TSMAC_MAC5; - } - else - memcpy(tsmac->arpcom.ac_enaddr, config->hardware_address, ETHER_ADDR_LEN); - - printk(TSMAC_NAME ": MAC address "); - for (i = 0; i < ETHER_ADDR_LEN; i++) - { - printk("%02x", tsmac->arpcom.ac_enaddr[i]); - if (i != ETHER_ADDR_LEN-1) - printk(":"); - else - printk("\n"); - } - - if (config->mtu) - mtu = config->mtu; - else - mtu = ETHERMTU; - - /* - * Set up network interface values - */ - ifp->if_softc = tsmac; - ifp->if_unit = unit; - ifp->if_name = unitName; - ifp->if_mtu = mtu; - ifp->if_init = tsmac_init; - ifp->if_ioctl = tsmac_ioctl; - ifp->if_start = tsmac_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; - - if_attach(ifp); - ether_ifattach(ifp); - - return 1; -} - -rtems_isr tsmac_interrupt_handler(rtems_vector_number vector) -{ - struct tsmac_softc *tsmac = &tsmac_softc[0]; - uint32_t irq_stat, rx_stat, tx_stat; - - irq_stat = tsmacread(LM32_TSMAC_INTR_SRC); - if (irq_stat & INTR_RX_PKT_RDY) - { - tsmac->rxInterrupts++; - rtems_bsdnet_event_send(tsmac->rxDaemonTid, INTERRUPT_EVENT); - } - - if (irq_stat & INTR_TX_PKT_SENT) - { - tsmac->txInterrupts++; - rtems_bsdnet_event_send(tsmac->txDaemonTid, INTERRUPT_EVENT); - } - - rx_stat = tsmacread(LM32_TSMAC_RX_STATUS); - if (rx_stat & STAT_RX_FIFO_FULL) - tsmac->rxFifoFull++; - - tx_stat = tsmacread(LM32_TSMAC_TX_STATUS); - if (tx_stat & STAT_TX_FIFO_FULL) - tsmac->txFifoFull++; - - lm32_interrupt_ack(TSMAC_IRQMASK); -} - |