#include <minix/drivers.h>
#include <minix/netdriver.h>
-#include <sys/mman.h>
-#include <minix/ds.h>
-#include <minix/vm.h>
#include <machine/pci.h>
-#include <net/gen/ether.h>
-#include <net/gen/eth_io.h>
+#include <sys/mman.h>
#include <assert.h>
#include "atl2.h"
#define VERBOSE 0 /* Verbose debugging output */
-#define ATL2_FKEY 1 /* Register Shift+F11 for dumping statistics */
+#define ATL2_FKEY 11 /* Use Shift+Fn to dump statistics (0=off) */
#if VERBOSE
#define ATL2_DEBUG(x) printf x
int devind; /* PCI device index */
int irq; /* IRQ number */
int hook_id; /* IRQ hook ID */
- int mode; /* datalink mode */
- volatile uint8_t *base; /* base address of memory-mapped registers */
+ uint8_t *base; /* base address of memory-mapped registers */
uint32_t size; /* size of memory-mapped area */
uint32_t hwaddr[2]; /* MAC address, in register representation */
uint8_t *txd_base; /* local address of TxD ring buffer base */
uint32_t *txs_base; /* local address of TxS ring buffer base */
uint8_t *rxd_base_u; /* unaligned base address of RxD ring buffer */
- rxd_t *rxd_base; /* local address of RxD ring buffer base */
+ rxd_t *rxd_base; /* local address of RxD ring buffer base */
int rxd_align; /* alignment offset of RxD ring buffer */
int txs_num; /* head-tail offset into TxS, in elements */
int rxd_tail; /* tail index into RxD, in elements */
- int flags; /* state flags (ATL2_FLAG_) */
- message read_msg; /* suspended read request (READ_PEND) */
- message write_msg; /* suspended write request (WRITE_PEND) */
- endpoint_t task_endpt; /* requester endpoint (PACK_RCVD|PACK_SENT) */
- size_t recv_count; /* packet size (PACK_RCVD) */
+ int rx_avail; /* is there a packet available for receipt? */
eth_stat_t stat; /* statistics */
} state;
-#define ATL2_FLAG_RX_AVAIL 0x01 /* packet available for receipt */
-#define ATL2_FLAG_READ_PEND 0x02 /* read request pending */
-#define ATL2_FLAG_WRITE_PEND 0x04 /* write request pending */
-#define ATL2_FLAG_PACK_RCVD 0x08 /* packet received */
-#define ATL2_FLAG_PACK_SENT 0x10 /* packet transmitted */
-
#define ATL2_READ_U8(off) (*(volatile uint8_t *)(state.base + (off)))
#define ATL2_READ_U16(off) (*(volatile uint16_t *)(state.base + (off)))
#define ATL2_READ_U32(off) (*(volatile uint32_t *)(state.base + (off)))
#define ATL2_ALIGN_32(n) (((n) + 3) & ~3)
-static iovec_s_t iovec[NR_IOREQS];
+static int atl2_init(unsigned int instance, ether_addr_t *addr);
+static void atl2_stop(void);
+static void atl2_mode(unsigned int mode);
+static int atl2_send(struct netdriver_data *data, size_t size);
+static ssize_t atl2_recv(struct netdriver_data *data, size_t max);
+static void atl2_stat(eth_stat_t *stat);
+static void atl2_intr(unsigned int mask);
+static void atl2_other(const message *m_ptr, int ipc_status);
+
+static const struct netdriver atl2_table = {
+ .ndr_init = atl2_init,
+ .ndr_stop = atl2_stop,
+ .ndr_mode = atl2_mode,
+ .ndr_recv = atl2_recv,
+ .ndr_send = atl2_send,
+ .ndr_stat = atl2_stat,
+ .ndr_intr = atl2_intr,
+ .ndr_other = atl2_other
+};
/*
* Read a value from the VPD register area.
* use whatever the card was already set to.
*/
static void
-atl2_get_hwaddr(void)
+atl2_get_hwaddr(ether_addr_t * addr)
{
if (!atl2_get_vpd_hwaddr()) {
state.hwaddr[1] = ATL2_READ_U32(ATL2_HWADDR1_REG) & 0xffff;
}
- ATL2_DEBUG(("ATL2: MAC address %04lx%08lx\n",
+ ATL2_DEBUG(("ATL2: MAC address %04x%08x\n",
state.hwaddr[1], state.hwaddr[0]));
+
+ addr->ea_addr[0] = state.hwaddr[1] >> 8;
+ addr->ea_addr[1] = state.hwaddr[1] & 0xff;
+ addr->ea_addr[2] = state.hwaddr[0] >> 24;
+ addr->ea_addr[3] = (state.hwaddr[0] >> 16) & 0xff;
+ addr->ea_addr[4] = (state.hwaddr[0] >> 8) & 0xff;
+ addr->ea_addr[5] = state.hwaddr[0] & 0xff;
}
/*
/*
* Stop the device.
*/
-static int
+static void
atl2_stop(void)
{
uint32_t val;
micro_delay(ATL2_IDLE_DELAY);
}
- /* The caller will generally ignore this return value. */
- return (i < ATL2_IDLE_NTRIES);
+ assert(i < ATL2_IDLE_NTRIES);
}
/*
* settings.
*/
static void
-atl2_set_mode(void)
+atl2_mode(unsigned int mode)
{
uint32_t val;
val = ATL2_READ_U32(ATL2_MAC_REG);
val &= ~(ATL2_MAC_PROMISC_EN | ATL2_MAC_MCAST_EN | ATL2_MAC_BCAST_EN);
- if (state.mode & DL_PROMISC_REQ)
+ if (mode & NDEV_PROMISC)
val |= ATL2_MAC_PROMISC_EN;
- if (state.mode & DL_MULTI_REQ)
+ if (mode & NDEV_MULTI)
val |= ATL2_MAC_MCAST_EN;
- if (state.mode & DL_BROAD_REQ)
+ if (mode & NDEV_BROAD)
val |= ATL2_MAC_BCAST_EN;
ATL2_WRITE_U32(ATL2_MAC_REG, val);
/* Reset descriptors, and enable DMA. */
state.txd_tail = state.txs_tail = state.rxd_tail = 0;
state.txd_num = state.txs_num = 0;
- state.flags &= ~ATL2_FLAG_RX_AVAIL;
+ state.rx_avail = FALSE;
ATL2_WRITE_U16(ATL2_TXD_IDX_REG, 0);
ATL2_WRITE_U16(ATL2_RXD_IDX_REG, 0);
ATL2_WRITE_U32(ATL2_MHT0_REG, 0xffffffff);
ATL2_WRITE_U32(ATL2_MHT1_REG, 0xffffffff);
- atl2_set_mode();
+ atl2_mode(NDEV_NOMODE);
/* Enable Tx/Rx. */
val = ATL2_READ_U32(ATL2_MAC_REG);
* Initialize the device.
*/
static void
-atl2_init(int devind)
+atl2_init_hw(int devind, ether_addr_t * addr)
{
uint32_t bar;
int r, flag;
/* Initialize global state. */
state.devind = devind;
- state.mode = DL_NOMODE;
- state.flags = 0;
- state.recv_count = 0;
-
- memset(&state.stat, 0, sizeof(state.stat));
if ((r = pci_get_bar(devind, PCI_BAR, &bar, &state.size, &flag)) != OK)
panic("unable to retrieve bar: %d", r);
if ((r = sys_irqenable(&state.hook_id)) != OK)
panic("unable to enable IRQ: %d", r);
- atl2_get_hwaddr();
+ atl2_get_hwaddr(addr);
atl2_setup();
}
assert((uint32_t)state.txd_tail <=
ATL2_TXD_BUFSIZE - sizeof(uint32_t));
- dsize = *(uint32_t *)(state.txd_base + state.txd_tail);
+ dsize =
+ *(volatile uint32_t *)(state.txd_base + state.txd_tail);
if (size != dsize)
printf("ATL2: TxD/TxS size mismatch (%x vs %x)\n",
size, dsize);
{
int update_tail;
rxd_t *rxd;
- uint32_t hdr, size;
+ uint32_t hdr;
+ size_t size;
update_tail = FALSE;
ATL2_DEBUG(("ATL2: successfully received packet\n"));
- state.flags &= ~ATL2_FLAG_RX_AVAIL;
+ state.rx_avail = FALSE;
}
- assert(!(state.flags & ATL2_FLAG_RX_AVAIL));
+ assert(!state.rx_avail);
for (;;) {
/* Check the RxD tail for updates. */
*/
size = hdr & ATL2_RXD_SIZE_MASK;
- if ((hdr & ATL2_RXD_SUCCESS) && size >= ETH_MIN_PACK_SIZE) {
- ATL2_DEBUG(("ATL2: packet available, size %ld\n",
+ if ((hdr & ATL2_RXD_SUCCESS) &&
+ size >= ETH_MIN_PACK_SIZE + ETH_CRC_SIZE) {
+ ATL2_DEBUG(("ATL2: packet available, size %zu\n",
size));
- state.flags |= ATL2_FLAG_RX_AVAIL;
+ state.rx_avail = TRUE;
break;
}
}
/*
- * Send a task reply to Inet.
+ * Receive a packet.
*/
-static void
-atl2_reply(void)
-{
- message m;
- int r, flags;
-
- flags = DL_NOFLAGS;
- if (state.flags & ATL2_FLAG_PACK_SENT)
- flags |= DL_PACK_SEND;
- if (state.flags & ATL2_FLAG_PACK_RCVD)
- flags |= DL_PACK_RECV;
-
- m.m_type = DL_TASK_REPLY;
- m.m_netdrv_net_dl_task.flags = flags;
- m.m_netdrv_net_dl_task.count = state.recv_count;
-
- ATL2_DEBUG(("ATL2: sending reply, flags %x count %d\n", flags,
- m.m_netdrv_net_dl_task.count));
-
- if ((r = ipc_send(state.task_endpt, &m)) != OK)
- panic("unable to reply: %d", r);
-
- state.flags &= ~(ATL2_FLAG_PACK_SENT | ATL2_FLAG_PACK_RCVD);
- state.recv_count = 0;
-}
-
-/*
- * Read packet data.
- */
-static void
-atl2_readv(const message * m, int from_int)
+static ssize_t
+atl2_recv(struct netdriver_data * data, size_t max)
{
rxd_t *rxd;
- iovec_s_t *iovp;
- size_t count, off, left, size;
- uint8_t *pos;
- int i, j, r, batch;
-
- /* We can deal with only one read request from Inet at a time. */
- assert(from_int || !(state.flags & ATL2_FLAG_READ_PEND));
-
- state.task_endpt = m->m_source;
+ size_t size;
/* Are there any packets available at all? */
- if (!(state.flags & ATL2_FLAG_RX_AVAIL))
- goto suspend;
+ if (!state.rx_avail)
+ return SUSPEND;
/* Get the first available packet's size. Cut off the CRC. */
rxd = &state.rxd_base[state.rxd_tail];
- count = rxd->hdr & ATL2_RXD_SIZE_MASK;
- count -= ETH_CRC_SIZE;
+ size = rxd->hdr & ATL2_RXD_SIZE_MASK;
+ size -= ETH_CRC_SIZE;
- ATL2_DEBUG(("ATL2: readv: found packet with length %d\n", count));
+ ATL2_DEBUG(("ATL2: receiving packet with length %zu\n", size));
- /* Copy out the packet. */
- off = 0;
- left = count;
- pos = rxd->data;
-
- for (i = 0; i < m->m_net_netdrv_dl_readv_s.count && left > 0;
- i += batch) {
- /* Copy in the next batch. */
- batch = MIN(m->m_net_netdrv_dl_readv_s.count - i, NR_IOREQS);
-
- r = sys_safecopyfrom(m->m_source,
- m->m_net_netdrv_dl_readv_s.grant, off, (vir_bytes)iovec,
- batch * sizeof(iovec[0]));
- if (r != OK)
- panic("vector copy failed: %d", r);
-
- /* Copy out each element in the batch, until we run out. */
- for (j = 0, iovp = iovec; j < batch && left > 0; j++, iovp++) {
- size = MIN(iovp->iov_size, left);
-
- r = sys_safecopyto(m->m_source, iovp->iov_grant, 0,
- (vir_bytes)pos, size);
- if (r != OK)
- panic("safe copy failed: %d", r);
-
- pos += size;
- left -= size;
- }
+ /* Truncate large packets. */
+ if (size > max)
+ size = max;
- off += batch * sizeof(iovec[0]);
- }
-
- /* Not sure what to do here. Inet shouldn't mess this up anyway. */
- if (left > 0) {
- printf("ATL2: truncated packet of %d bytes by %d bytes\n",
- count, left);
- count -= left;
- }
+ /* Copy out the packet. */
+ netdriver_copyout(data, 0, rxd->data, size);
/* We are done with this packet. Move on to the next. */
atl2_rx_advance(TRUE /*next*/);
- /* We have now successfully received a packet. */
- state.flags &= ~ATL2_FLAG_READ_PEND;
- state.flags |= ATL2_FLAG_PACK_RCVD;
- state.recv_count = count;
-
- /* If called from the interrupt handler, the caller will reply. */
- if (!from_int)
- atl2_reply();
-
- return;
-
-suspend:
- /*
- * No packets are available at this time. If we were not already
- * trying to resume receipt, save the read request for later, and tell
- * Inet that the request has been suspended.
- */
- if (from_int)
- return;
-
- state.flags |= ATL2_FLAG_READ_PEND;
- state.read_msg = *m;
-
- atl2_reply();
+ return size;
}
/*
- * Write packet data.
+ * Send a packet.
*/
-static void
-atl2_writev(const message * m, int from_int)
+static int
+atl2_send(struct netdriver_data * data, size_t size)
{
- iovec_s_t *iovp;
- size_t off, count, left, pos, skip;
- vir_bytes size;
+ size_t pos, chunk;
uint8_t *sizep;
- int i, j, r, batch, maxnum;
-
- /* We can deal with only one write request from Inet at a time. */
- assert(from_int || !(state.flags & ATL2_FLAG_WRITE_PEND));
-
- state.task_endpt = m->m_source;
/*
- * If we are already certain that the packet won't fit, bail out.
- * Keep at least some space between TxD head and tail, as it is not
- * clear whether the device deals well with the case that they collide.
+ * If the packet won't fit, bail out. Keep at least some space between
+ * TxD head and tail, as it is not clear whether the device deals well
+ * with the case that they collide.
*/
if (state.txs_num >= ATL2_TXS_COUNT)
- goto suspend;
- maxnum = ATL2_TXD_BUFSIZE - ETH_MIN_PACK_SIZE - sizeof(uint32_t);
- if (state.txd_num >= maxnum)
- goto suspend;
+ return SUSPEND;
- /*
- * Optimistically try to copy in the data; suspend if it turns out
- * that it does not fit.
- */
- off = 0;
- count = 0;
- left = state.txd_num - sizeof(uint32_t);
+ if (state.txd_num + sizeof(uint32_t) + ATL2_ALIGN_32(size) >=
+ ATL2_TXD_BUFSIZE)
+ return SUSPEND;
+
+ /* Copy in the packet. */
pos = (state.txd_tail + state.txd_num +
sizeof(uint32_t)) % ATL2_TXD_BUFSIZE;
-
- for (i = 0; i < m->m_net_netdrv_dl_writev_s.count; i += batch) {
- /* Copy in the next batch. */
- batch = MIN(m->m_net_netdrv_dl_writev_s.count - i, NR_IOREQS);
-
- r = sys_safecopyfrom(m->m_source,
- m->m_net_netdrv_dl_writev_s.grant, off, (vir_bytes)iovec,
- batch * sizeof(iovec[0]));
- if (r != OK)
- panic("vector copy failed: %d", r);
-
- /* Copy in each element in the batch. */
- for (j = 0, iovp = iovec; j < batch; j++, iovp++) {
- size = iovp->iov_size;
- if (size > left)
- goto suspend;
-
- skip = 0;
- if (size > ATL2_TXD_BUFSIZE - pos) {
- skip = ATL2_TXD_BUFSIZE - pos;
- r = sys_safecopyfrom(m->m_source,
- iovp->iov_grant, 0,
- (vir_bytes)(state.txd_base + pos), skip);
- if (r != OK)
- panic("safe copy failed: %d", r);
- pos = 0;
- }
-
- r = sys_safecopyfrom(m->m_source, iovp->iov_grant,
- skip, (vir_bytes)(state.txd_base + pos),
- size - skip);
- if (r != OK)
- panic("safe copy failed: %d", r);
-
- pos = (pos + size - skip) % ATL2_TXD_BUFSIZE;
- left -= size;
- count += size;
- }
-
- off += batch * sizeof(iovec[0]);
- }
-
- assert(count <= ETH_MAX_PACK_SIZE_TAGGED);
+ chunk = ATL2_TXD_BUFSIZE - pos;
+ if (size > chunk) {
+ netdriver_copyin(data, 0, state.txd_base + pos, chunk);
+ netdriver_copyin(data, chunk, state.txd_base, size - chunk);
+ } else
+ netdriver_copyin(data, 0, state.txd_base + pos, size);
/* Write the length to the DWORD right before the packet. */
sizep = state.txd_base +
(state.txd_tail + state.txd_num) % ATL2_TXD_BUFSIZE;
- *(uint32_t *)sizep = count;
+ *(volatile uint32_t *)sizep = size;
/* Update the TxD head. */
- state.txd_num += sizeof(uint32_t) + ATL2_ALIGN_32(count);
- pos = ATL2_ALIGN_32(pos) % ATL2_TXD_BUFSIZE;
+ state.txd_num += sizeof(uint32_t) + ATL2_ALIGN_32(size);
+ pos = ATL2_ALIGN_32(pos + size) % ATL2_TXD_BUFSIZE;
assert((int)pos ==
(state.txd_tail + state.txd_num) % ATL2_TXD_BUFSIZE);
ATL2_WRITE_U32(ATL2_TXD_IDX_REG, pos / sizeof(uint32_t));
- /* We have now successfully set up the transmission of a packet. */
- state.flags &= ~ATL2_FLAG_WRITE_PEND;
- state.flags |= ATL2_FLAG_PACK_SENT;
-
- /* If called from the interrupt handler, the caller will reply. */
- if (!from_int)
- atl2_reply();
-
- return;
-
-suspend:
- /*
- * We cannot transmit the packet at this time. If we were not already
- * trying to resume transmission, save the write request for later,
- * and tell Inet that the request has been suspended.
- */
- if (from_int)
- return;
-
- state.flags |= ATL2_FLAG_WRITE_PEND;
- state.write_msg = *m;
-
- atl2_reply();
+ return OK;
}
/*
* Process an interrupt.
*/
static void
-atl2_intr(const message * __unused m)
+atl2_intr(unsigned int __unused mask)
{
uint32_t val;
- int r, try_write, try_read;
+ int r, try_send, try_recv;
/* Clear and disable interrupts. */
val = ATL2_READ_U32(ATL2_ISR_REG);
ATL2_WRITE_U32(ATL2_ISR_REG, val | ATL2_ISR_DISABLE);
- ATL2_DEBUG(("ATL2: interrupt (0x%08lx)\n", val));
+ ATL2_DEBUG(("ATL2: interrupt (0x%08x)\n", val));
/* If an error occurred, reset the card. */
if (val & (ATL2_ISR_DMAR_TIMEOUT | ATL2_ISR_DMAW_TIMEOUT |
ATL2_ISR_PHY_LINKDOWN))
atl2_setup();
- try_write = try_read = FALSE;
+ try_send = try_recv = FALSE;
/* Process sent data, and possibly send pending data. */
if (val & ATL2_ISR_TX_EVENT) {
if (atl2_tx_advance())
- try_write = (state.flags & ATL2_FLAG_WRITE_PEND);
+ try_send = TRUE;
}
/* Receive new data, and possible satisfy a pending receive request. */
if (val & ATL2_ISR_RX_EVENT) {
- if (!(state.flags & ATL2_FLAG_RX_AVAIL)) {
+ if (!state.rx_avail) {
atl2_rx_advance(FALSE /*next*/);
- try_read = (state.flags & ATL2_FLAG_READ_PEND);
+ try_recv = TRUE;
}
}
if ((r = sys_irqenable(&state.hook_id)) != OK)
panic("unable to enable IRQ: %d", r);
- /* Attempt to satisfy pending write and read requests. */
- if (try_write)
- atl2_writev(&state.write_msg, TRUE /*from_int*/);
- if (try_read)
- atl2_readv(&state.read_msg, TRUE /*from_int*/);
- if (state.flags & (ATL2_FLAG_PACK_SENT | ATL2_FLAG_PACK_RCVD))
- atl2_reply();
-}
-
-/*
- * Configure the mode of the card.
- */
-static void
-atl2_conf(message * m)
-{
- ether_addr_t addr;
- int r;
-
- state.mode = m->m_net_netdrv_dl_conf.mode;
-
- atl2_set_mode();
-
- addr.ea_addr[0] = state.hwaddr[1] >> 8;
- addr.ea_addr[1] = state.hwaddr[1] & 0xff;
- addr.ea_addr[2] = state.hwaddr[0] >> 24;
- addr.ea_addr[3] = (state.hwaddr[0] >> 16) & 0xff;
- addr.ea_addr[4] = (state.hwaddr[0] >> 8) & 0xff;
- addr.ea_addr[5] = state.hwaddr[0] & 0xff;
-
- memcpy(m->m_netdrv_net_dl_conf.hw_addr, &addr,
- sizeof(m->m_netdrv_net_dl_conf.hw_addr));
-
- m->m_type = DL_CONF_REPLY;
- m->m_netdrv_net_dl_conf.stat = OK;
-
- if ((r = ipc_send(m->m_source, m)) != OK)
- printf("ATL2: unable to send reply (%d)\n", r);
+ /* Attempt to satisfy pending send and receive requests. */
+ if (try_send)
+ netdriver_send();
+ if (try_recv)
+ netdriver_recv();
}
/*
* Copy out statistics.
*/
static void
-atl2_getstat(message * m)
+atl2_stat(eth_stat_t * stat)
{
- int r;
-
- sys_safecopyto(m->m_source, m->m_net_netdrv_dl_getstat_s.grant, 0,
- (vir_bytes) &state.stat, sizeof(state.stat));
- m->m_type = DL_STAT_REPLY;
-
- if ((r = ipc_send(m->m_source, m)) != OK)
- printf("ATL2: unable to send reply (%d)\n", r);
+ memcpy(stat, &state.stat, sizeof(*stat));
}
/*
printf("TxS tail: %8d\t", state.txs_tail);
printf("TxS count: %8d\n", state.txs_num);
- printf("flags: 0x%04x\t", state.flags);
atl2_dump_link();
printf("\n");
}
+/*
+ * Process miscellaneous messages.
+ */
+static void
+atl2_other(const message * m_ptr, int ipc_status)
+{
+#if ATL2_FKEY
+ int sfkeys;
+
+ if (!is_ipc_notify(ipc_status) || m_ptr->m_source != TTY_PROC_NR)
+ return;
+
+ if (fkey_events(NULL, &sfkeys) == OK && bit_isset(sfkeys, ATL2_FKEY))
+ atl2_dump();
+#endif
+}
+
/*
* Initialize the atl2 driver.
*/
static int
-sef_cb_init_fresh(int __unused type, sef_init_info_t * __unused info)
+atl2_init(unsigned int instance, ether_addr_t * addr)
{
- int r, devind, instance;
- long v;
+ int devind;
#if ATL2_FKEY
- int fkeys, sfkeys;
+ int r, fkeys, sfkeys;
#endif
- /* How many matching devices should we skip? */
- v = 0;
- (void)env_parse("instance", "d", 0, &v, 0, 255);
- instance = (int)v;
+ memset(&state, 0, sizeof(state));
/* Try to find a recognized device. */
devind = atl2_probe(instance);
if (devind < 0)
- panic("no matching device found");
+ return ENXIO;
/* Initialize the device. */
- atl2_init(devind);
-
- /* Announce we are up! */
- netdriver_announce();
+ atl2_init_hw(devind, addr);
#if ATL2_FKEY
/* Register debug dump function key. */
fkeys = sfkeys = 0;
- bit_set(sfkeys, 11);
+ bit_set(sfkeys, ATL2_FKEY);
if ((r = fkey_map(&fkeys, &sfkeys)) != OK)
- printf("ATL2: warning, could not map Shift+F11 key (%d)\n", r);
+ printf("ATL2: warning, could not map Shift+F%u key (%d)\n",
+ r, ATL2_FKEY);
#endif
return OK;
}
+#if 0
/*
- * In case of a termination signal, shut down this driver. Stop the device,
- * and deallocate resources as proof of concept.
+ * Deallocate resources as proof of concept. Currently unused.
*/
static void
-sef_cb_signal_handler(int signo)
+atl2_cleanup(void)
{
int r;
- /* Only check for termination signal, ignore anything else. */
- if (signo != SIGTERM) return;
-
- atl2_stop();
-
if ((r = sys_irqrmpolicy(&state.hook_id)) != OK)
panic("unable to deregister IRQ: %d", r);
vm_unmap_phys(SELF, (void *)state.base, state.size);
/* We cannot free the PCI device at this time. */
-
- exit(0);
-}
-
-/*
- * Perform SEF initialization.
- */
-static void
-sef_local_startup(void)
-{
-
- /* Register init callbacks. */
- sef_setcb_init_fresh(sef_cb_init_fresh);
- sef_setcb_init_lu(sef_cb_init_fresh);
- sef_setcb_init_restart(sef_cb_init_fresh);
-
- /* Register live update callbacks. */
- sef_setcb_lu_prepare(sef_cb_lu_prepare_always_ready);
- sef_setcb_lu_state_isvalid(sef_cb_lu_state_isvalid_workfree);
-
- /* Register signal callbacks. */
- sef_setcb_signal_handler(sef_cb_signal_handler);
-
- /* Let SEF perform startup. */
- sef_startup();
}
+#endif
/*
* The ATL2 ethernet driver.
int
main(int argc, char ** argv)
{
- message m;
- int ipc_status;
- int r;
- /* Initialize SEF. */
env_setargs(argc, argv);
- sef_local_startup();
-
- for (;;) {
- if ((r = netdriver_receive(ANY, &m, &ipc_status)) != OK)
- panic("netdriver_receive failed: %d", r);
-
- if (is_ipc_notify(ipc_status)) {
- switch (m.m_source) {
- case HARDWARE: /* interrupt */
- atl2_intr(&m);
-
- break;
- case TTY_PROC_NR: /* function key */
- atl2_dump();
+ netdriver_task(&atl2_table);
- break;
-
- default:
- printf("ATL2: illegal notify from %d\n",
- m.m_source);
- }
-
- continue;
- }
-
- /* Process requests from Inet. */
- switch (m.m_type) {
- case DL_CONF: atl2_conf(&m); break;
- case DL_GETSTAT_S: atl2_getstat(&m); break;
- case DL_WRITEV_S: atl2_writev(&m, FALSE); break;
- case DL_READV_S: atl2_readv(&m, FALSE); break;
- default:
- printf("ATL2: illegal message %d from %d\n",
- m.m_type, m.m_source);
- }
- }
+ return EXIT_SUCCESS;
}