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authorjoerg <joerg@FreeBSD.org>1997-01-17 23:19:49 +0000
committerjoerg <joerg@FreeBSD.org>1997-01-17 23:19:49 +0000
commit2ac86283c8a524ff9bb540d04cc699cb60157750 (patch)
treed8becb8fa66cd8b54fbdef97319033fb34f02491 /sys/dev/pdq
parent2e14d9ebc3d3592c67bdf625af9ebe0dfc386653 (diff)
downloadFreeBSD-src-2ac86283c8a524ff9bb540d04cc699cb60157750.zip
FreeBSD-src-2ac86283c8a524ff9bb540d04cc699cb60157750.tar.gz
Finally import the 960801 of Matt Thomas' DEC FDDI driver. I'm
importing it onto a vendor branch first, in the hope that this will make future maintenance easier. The conflicts are (hopefully) unimportant. More commits that actually bring this into the source tree will follow. Submitted by: Matt Thomas (thomas@lkg.dec.com)
Diffstat (limited to 'sys/dev/pdq')
-rw-r--r--sys/dev/pdq/pdq.c1584
-rw-r--r--sys/dev/pdq/pdq_ifsubr.c404
-rw-r--r--sys/dev/pdq/pdqreg.h1065
-rw-r--r--sys/dev/pdq/pdqvar.h351
4 files changed, 3404 insertions, 0 deletions
diff --git a/sys/dev/pdq/pdq.c b/sys/dev/pdq/pdq.c
new file mode 100644
index 0000000..ad0b5a7
--- /dev/null
+++ b/sys/dev/pdq/pdq.c
@@ -0,0 +1,1584 @@
+/*-
+ * Copyright (c) 1995,1996 Matt Thomas <matt@3am-software.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. The name of the author may not be used to endorse or promote products
+ * derived from this software withough specific prior written permission
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * $Id: pdq.c,v 1.28 1996/07/31 21:38:44 thomas Exp $
+ *
+ */
+
+/*
+ * DEC PDQ FDDI Controller O/S independent code
+ *
+ * This module should work any PDQ based board. Note that changes for
+ * MIPS and Alpha architectures (or any other architecture which requires
+ * a flushing of memory or write buffers and/or has incoherent caches)
+ * have yet to be made.
+ *
+ * However, it is expected that the PDQ_CSR_WRITE macro will cause a
+ * flushing of the write buffers.
+ */
+
+#define PDQ_HWSUPPORT /* for pdq.h */
+
+#include "pdqvar.h"
+#include "pdqreg.h"
+
+#define PDQ_ROUNDUP(n, x) (((n) + ((x) - 1)) & ~((x) - 1))
+#define PDQ_CMD_RX_ALIGNMENT 16
+
+#if (defined(PDQTEST) && !defined(PDQ_NOPRINTF)) || defined(PDQVERBOSE)
+#define PDQ_PRINTF(x) printf x
+#else
+#define PDQ_PRINTF(x) do { } while (0)
+#endif
+
+static const char * const pdq_halt_codes[] = {
+ "Selftest Timeout", "Host Bus Parity Error", "Host Directed Fault",
+ "Software Fault", "Hardware Fault", "PC Trace Path Test",
+ "DMA Error", "Image CRC Error", "Adapter Processer Error"
+};
+
+static const char * const pdq_adapter_states[] = {
+ "Reset", "Upgrade", "DMA Unavailable", "DMA Available",
+ "Link Available", "Link Unavailable", "Halted", "Ring Member"
+};
+
+/*
+ * The following are used in conjunction with
+ * unsolicited events
+ */
+static const char * const pdq_entities[] = {
+ "Station", "Link", "Phy Port"
+};
+
+static const char * const pdq_station_events[] = {
+ "Trace Received"
+};
+
+static const char * const pdq_station_arguments[] = {
+ "Reason"
+};
+
+static const char * const pdq_link_events[] = {
+ "Transmit Underrun",
+ "Transmit Failed",
+ "Block Check Error (CRC)",
+ "Frame Status Error",
+ "PDU Length Error",
+ NULL,
+ NULL,
+ "Receive Data Overrun",
+ NULL,
+ "No User Buffer",
+ "Ring Initialization Initiated",
+ "Ring Initialization Received",
+ "Ring Beacon Initiated",
+ "Duplicate Address Failure",
+ "Duplicate Token Detected",
+ "Ring Purger Error",
+ "FCI Strip Error",
+ "Trace Initiated",
+ "Directed Beacon Received",
+};
+
+static const char * const pdq_link_arguments[] = {
+ "Reason",
+ "Data Link Header",
+ "Source",
+ "Upstream Neighbor"
+};
+
+static const char * const pdq_phy_events[] = {
+ "LEM Error Monitor Reject",
+ "Elasticy Buffer Error",
+ "Link Confidence Test Reject"
+};
+
+static const char * const pdq_phy_arguments[] = {
+ "Direction"
+};
+
+static const char * const * const pdq_event_arguments[] = {
+ pdq_station_arguments,
+ pdq_link_arguments,
+ pdq_phy_arguments
+};
+
+static const char * const * const pdq_event_codes[] = {
+ pdq_station_events,
+ pdq_link_events,
+ pdq_phy_events
+};
+
+static const char * const pdq_station_types[] = {
+ "SAS", "DAC", "SAC", "NAC", "DAS"
+};
+
+static const char * const pdq_smt_versions[] = { "", "V6.2", "V7.2", "V7.3" };
+
+static const char pdq_phy_types[] = "ABSM";
+
+static const char * const pdq_pmd_types0[] = {
+ "ANSI Multi-Mode", "ANSI Single-Mode Type 1", "ANSI Single-Mode Type 2",
+ "ANSI Sonet"
+};
+
+static const char * const pdq_pmd_types100[] = {
+ "Low Power", "Thin Wire", "Shielded Twisted Pair",
+ "Unshielded Twisted Pair"
+};
+
+static const char * const * const pdq_pmd_types[] = {
+ pdq_pmd_types0, pdq_pmd_types100
+};
+
+static const char * const pdq_descriptions[] = {
+ "DEFPA PCI",
+ "DEFEA EISA",
+ "DEFTA TC",
+ "DEFAA Futurebus",
+ "DEFQA Q-bus",
+};
+
+static void
+pdq_print_fddi_chars(
+ pdq_t *pdq,
+ const pdq_response_status_chars_get_t *rsp)
+{
+ const char hexchars[] = "0123456789abcdef";
+
+ printf(
+#if !defined(__bsdi__) && !defined(__NetBSD__)
+ PDQ_OS_PREFIX
+#else
+ ": "
+#endif
+ "DEC %s FDDI %s Controller\n",
+#if !defined(__bsdi__) && !defined(__NetBSD__)
+ PDQ_OS_PREFIX_ARGS,
+#endif
+ pdq_descriptions[pdq->pdq_type],
+ pdq_station_types[rsp->status_chars_get.station_type]);
+
+ printf(PDQ_OS_PREFIX "FDDI address %c%c:%c%c:%c%c:%c%c:%c%c:%c%c, FW=%c%c%c%c, HW=%c",
+ PDQ_OS_PREFIX_ARGS,
+ hexchars[pdq->pdq_hwaddr.lanaddr_bytes[0] >> 4],
+ hexchars[pdq->pdq_hwaddr.lanaddr_bytes[0] & 0x0F],
+ hexchars[pdq->pdq_hwaddr.lanaddr_bytes[1] >> 4],
+ hexchars[pdq->pdq_hwaddr.lanaddr_bytes[1] & 0x0F],
+ hexchars[pdq->pdq_hwaddr.lanaddr_bytes[2] >> 4],
+ hexchars[pdq->pdq_hwaddr.lanaddr_bytes[2] & 0x0F],
+ hexchars[pdq->pdq_hwaddr.lanaddr_bytes[3] >> 4],
+ hexchars[pdq->pdq_hwaddr.lanaddr_bytes[3] & 0x0F],
+ hexchars[pdq->pdq_hwaddr.lanaddr_bytes[4] >> 4],
+ hexchars[pdq->pdq_hwaddr.lanaddr_bytes[4] & 0x0F],
+ hexchars[pdq->pdq_hwaddr.lanaddr_bytes[5] >> 4],
+ hexchars[pdq->pdq_hwaddr.lanaddr_bytes[5] & 0x0F],
+ pdq->pdq_fwrev.fwrev_bytes[0], pdq->pdq_fwrev.fwrev_bytes[1],
+ pdq->pdq_fwrev.fwrev_bytes[2], pdq->pdq_fwrev.fwrev_bytes[3],
+ rsp->status_chars_get.module_rev.fwrev_bytes[0]);
+
+ if (rsp->status_chars_get.smt_version_id < PDQ_ARRAY_SIZE(pdq_smt_versions)) {
+ printf(", SMT %s\n", pdq_smt_versions[rsp->status_chars_get.smt_version_id]);
+ }
+
+ printf(PDQ_OS_PREFIX "FDDI Port%s = %c (PMD = %s)",
+ PDQ_OS_PREFIX_ARGS,
+ rsp->status_chars_get.station_type == PDQ_STATION_TYPE_DAS ? "[A]" : "",
+ pdq_phy_types[rsp->status_chars_get.phy_type[0]],
+ pdq_pmd_types[rsp->status_chars_get.pmd_type[0] / 100][rsp->status_chars_get.pmd_type[0] % 100]);
+
+ if (rsp->status_chars_get.station_type == PDQ_STATION_TYPE_DAS)
+ printf(", FDDI Port[B] = %c (PMD = %s)",
+ pdq_phy_types[rsp->status_chars_get.phy_type[1]],
+ pdq_pmd_types[rsp->status_chars_get.pmd_type[1] / 100][rsp->status_chars_get.pmd_type[1] % 100]);
+
+ printf("\n");
+}
+
+static void
+pdq_init_csrs(
+ pdq_csrs_t *csrs,
+ pdq_bus_t bus,
+ pdq_bus_memaddr_t csr_base,
+ size_t csrsize)
+{
+ csrs->csr_bus = bus;
+ csrs->csr_base = csr_base;
+ csrs->csr_port_reset = PDQ_CSR_OFFSET(csr_base, 0 * csrsize);
+ csrs->csr_host_data = PDQ_CSR_OFFSET(csr_base, 1 * csrsize);
+ csrs->csr_port_control = PDQ_CSR_OFFSET(csr_base, 2 * csrsize);
+ csrs->csr_port_data_a = PDQ_CSR_OFFSET(csr_base, 3 * csrsize);
+ csrs->csr_port_data_b = PDQ_CSR_OFFSET(csr_base, 4 * csrsize);
+ csrs->csr_port_status = PDQ_CSR_OFFSET(csr_base, 5 * csrsize);
+ csrs->csr_host_int_type_0 = PDQ_CSR_OFFSET(csr_base, 6 * csrsize);
+ csrs->csr_host_int_enable = PDQ_CSR_OFFSET(csr_base, 7 * csrsize);
+ csrs->csr_type_2_producer = PDQ_CSR_OFFSET(csr_base, 8 * csrsize);
+ csrs->csr_cmd_response_producer = PDQ_CSR_OFFSET(csr_base, 10 * csrsize);
+ csrs->csr_cmd_request_producer = PDQ_CSR_OFFSET(csr_base, 11 * csrsize);
+ csrs->csr_host_smt_producer = PDQ_CSR_OFFSET(csr_base, 12 * csrsize);
+ csrs->csr_unsolicited_producer = PDQ_CSR_OFFSET(csr_base, 13 * csrsize);
+}
+
+static void
+pdq_init_pci_csrs(
+ pdq_pci_csrs_t *csrs,
+ pdq_bus_t bus,
+ pdq_bus_memaddr_t csr_base,
+ size_t csrsize)
+{
+ csrs->csr_bus = bus;
+ csrs->csr_base = csr_base;
+ csrs->csr_pfi_mode_control = PDQ_CSR_OFFSET(csr_base, 16 * csrsize);
+ csrs->csr_pfi_status = PDQ_CSR_OFFSET(csr_base, 17 * csrsize);
+ csrs->csr_fifo_write = PDQ_CSR_OFFSET(csr_base, 18 * csrsize);
+ csrs->csr_fifo_read = PDQ_CSR_OFFSET(csr_base, 19 * csrsize);
+}
+
+static void
+pdq_flush_databuf_queue(
+ pdq_databuf_queue_t *q)
+{
+ PDQ_OS_DATABUF_T *pdu;
+ for (;;) {
+ PDQ_OS_DATABUF_DEQUEUE(q, pdu);
+ if (pdu == NULL)
+ return;
+ PDQ_OS_DATABUF_FREE(pdu);
+ }
+}
+
+static pdq_boolean_t
+pdq_do_port_control(
+ const pdq_csrs_t * const csrs,
+ pdq_uint32_t cmd)
+{
+ int cnt = 0;
+ PDQ_CSR_WRITE(csrs, csr_host_int_type_0, PDQ_HOST_INT_CSR_CMD_DONE);
+ PDQ_CSR_WRITE(csrs, csr_port_control, PDQ_PCTL_CMD_ERROR | cmd);
+ while ((PDQ_CSR_READ(csrs, csr_host_int_type_0) & PDQ_HOST_INT_CSR_CMD_DONE) == 0 && cnt < 33000000)
+ cnt++;
+ PDQ_PRINTF(("CSR cmd spun %d times\n", cnt));
+ if (PDQ_CSR_READ(csrs, csr_host_int_type_0) & PDQ_HOST_INT_CSR_CMD_DONE) {
+ PDQ_CSR_WRITE(csrs, csr_host_int_type_0, PDQ_HOST_INT_CSR_CMD_DONE);
+ return (PDQ_CSR_READ(csrs, csr_port_control) & PDQ_PCTL_CMD_ERROR) ? PDQ_FALSE : PDQ_TRUE;
+ }
+ /* adapter failure */
+ PDQ_ASSERT(0);
+ return PDQ_FALSE;
+}
+
+static void
+pdq_read_mla(
+ const pdq_csrs_t * const csrs,
+ pdq_lanaddr_t *hwaddr)
+{
+ pdq_uint32_t data;
+
+ PDQ_CSR_WRITE(csrs, csr_port_data_a, 0);
+ pdq_do_port_control(csrs, PDQ_PCTL_MLA_READ);
+ data = PDQ_CSR_READ(csrs, csr_host_data);
+
+ hwaddr->lanaddr_bytes[0] = (data >> 0) & 0xFF;
+ hwaddr->lanaddr_bytes[1] = (data >> 8) & 0xFF;
+ hwaddr->lanaddr_bytes[2] = (data >> 16) & 0xFF;
+ hwaddr->lanaddr_bytes[3] = (data >> 24) & 0xFF;
+
+ PDQ_CSR_WRITE(csrs, csr_port_data_a, 1);
+ pdq_do_port_control(csrs, PDQ_PCTL_MLA_READ);
+ data = PDQ_CSR_READ(csrs, csr_host_data);
+
+ hwaddr->lanaddr_bytes[4] = (data >> 0) & 0xFF;
+ hwaddr->lanaddr_bytes[5] = (data >> 8) & 0xFF;
+}
+
+static void
+pdq_read_fwrev(
+ const pdq_csrs_t * const csrs,
+ pdq_fwrev_t *fwrev)
+{
+ pdq_uint32_t data;
+
+ pdq_do_port_control(csrs, PDQ_PCTL_FW_REV_READ);
+ data = PDQ_CSR_READ(csrs, csr_host_data);
+
+ fwrev->fwrev_bytes[3] = (data >> 0) & 0xFF;
+ fwrev->fwrev_bytes[2] = (data >> 8) & 0xFF;
+ fwrev->fwrev_bytes[1] = (data >> 16) & 0xFF;
+ fwrev->fwrev_bytes[0] = (data >> 24) & 0xFF;
+}
+
+static pdq_boolean_t
+pdq_read_error_log(
+ pdq_t *pdq,
+ pdq_response_error_log_get_t *log_entry)
+{
+ const pdq_csrs_t * const csrs = &pdq->pdq_csrs;
+ pdq_uint32_t *ptr = (pdq_uint32_t *) log_entry;
+
+ pdq_do_port_control(csrs, PDQ_PCTL_ERROR_LOG_START);
+
+ while (pdq_do_port_control(csrs, PDQ_PCTL_FW_REV_READ) == PDQ_TRUE) {
+ *ptr++ = PDQ_CSR_READ(csrs, csr_host_data);
+ if ((pdq_uint8_t *) ptr - (pdq_uint8_t *) log_entry == sizeof(*log_entry))
+ break;
+ }
+ return (ptr == (pdq_uint32_t *) log_entry) ? PDQ_FALSE : PDQ_TRUE;
+}
+
+static pdq_chip_rev_t
+pdq_read_chiprev(
+ const pdq_csrs_t * const csrs)
+{
+ pdq_uint32_t data;
+
+ PDQ_CSR_WRITE(csrs, csr_port_data_a, PDQ_SUB_CMD_PDQ_REV_GET);
+ pdq_do_port_control(csrs, PDQ_PCTL_SUB_CMD);
+ data = PDQ_CSR_READ(csrs, csr_host_data);
+
+ return (pdq_chip_rev_t) data;
+}
+
+static const struct {
+ size_t cmd_len;
+ size_t rsp_len;
+ const char *cmd_name;
+} pdq_cmd_info[] = {
+ { sizeof(pdq_cmd_generic_t), /* 0 - PDQC_START */
+ sizeof(pdq_response_generic_t),
+ "Start"
+ },
+ { sizeof(pdq_cmd_filter_set_t), /* 1 - PDQC_FILTER_SET */
+ sizeof(pdq_response_generic_t),
+ "Filter Set"
+ },
+ { sizeof(pdq_cmd_generic_t), /* 2 - PDQC_FILTER_GET */
+ sizeof(pdq_response_filter_get_t),
+ "Filter Get"
+ },
+ { sizeof(pdq_cmd_chars_set_t), /* 3 - PDQC_CHARS_SET */
+ sizeof(pdq_response_generic_t),
+ "Chars Set"
+ },
+ { sizeof(pdq_cmd_generic_t), /* 4 - PDQC_STATUS_CHARS_GET */
+ sizeof(pdq_response_status_chars_get_t),
+ "Status Chars Get"
+ },
+#if 0
+ { sizeof(pdq_cmd_generic_t), /* 5 - PDQC_COUNTERS_GET */
+ sizeof(pdq_response_counters_get_t),
+ "Counters Get"
+ },
+ { sizeof(pdq_cmd_counters_set_t), /* 6 - PDQC_COUNTERS_SET */
+ sizeof(pdq_response_generic_t),
+ "Counters Set"
+ },
+#else
+ { 0, 0, "Counters Get" },
+ { 0, 0, "Counters Set" },
+#endif
+ { sizeof(pdq_cmd_addr_filter_set_t), /* 7 - PDQC_ADDR_FILTER_SET */
+ sizeof(pdq_response_generic_t),
+ "Addr Filter Set"
+ },
+ { sizeof(pdq_cmd_generic_t), /* 8 - PDQC_ADDR_FILTER_GET */
+ sizeof(pdq_response_addr_filter_get_t),
+ "Addr Filter Get"
+ },
+#if 0
+ { sizeof(pdq_cmd_generic_t), /* 9 - PDQC_ERROR_LOG_CLEAR */
+ sizeof(pdq_response_generic_t),
+ "Error Log Clear"
+ },
+ { sizeof(pdq_cmd_generic_t), /* 10 - PDQC_ERROR_LOG_SET */
+ sizeof(pdq_response_generic_t),
+ "Error Log Set"
+ },
+ { sizeof(pdq_cmd_generic_t), /* 11 - PDQC_FDDI_MIB_GET */
+ sizeof(pdq_response_generic_t),
+ "FDDI MIB Get"
+ },
+ { sizeof(pdq_cmd_generic_t), /* 12 - PDQC_DEC_EXT_MIB_GET */
+ sizeof(pdq_response_generic_t),
+ "DEC Ext MIB Get"
+ },
+ { sizeof(pdq_cmd_generic_t), /* 13 - PDQC_DEC_SPECIFIC_GET */
+ sizeof(pdq_response_generic_t),
+ "DEC Specific Get"
+ },
+ { sizeof(pdq_cmd_generic_t), /* 14 - PDQC_SNMP_SET */
+ sizeof(pdq_response_generic_t),
+ "SNMP Set"
+ },
+ { 0, 0, "N/A" },
+ { sizeof(pdq_cmd_generic_t), /* 16 - PDQC_SMT_MIB_GET */
+ sizeof(pdq_response_generic_t),
+ "SMT MIB Get"
+ },
+ { sizeof(pdq_cmd_generic_t), /* 17 - PDQC_SMT_MIB_SET */
+ sizeof(pdq_response_generic_t),
+ "SMT MIB Set",
+ },
+#endif
+};
+
+static void
+pdq_queue_commands(
+ pdq_t *pdq)
+{
+ const pdq_csrs_t * const csrs = &pdq->pdq_csrs;
+ pdq_command_info_t * const ci = &pdq->pdq_command_info;
+ pdq_descriptor_block_t * const dbp = pdq->pdq_dbp;
+ pdq_cmd_code_t op;
+ pdq_uint32_t cmdlen, rsplen, mask;
+
+ /*
+ * If there are commands or responses active or there aren't
+ * any pending commands, then don't queue any more.
+ */
+ if (ci->ci_command_active || ci->ci_pending_commands == 0)
+ return;
+
+ /*
+ * Determine which command needs to be queued.
+ */
+ op = PDQC_SMT_MIB_SET;
+ for (mask = 1 << ((int) op); (mask & ci->ci_pending_commands) == 0; mask >>= 1)
+ op = (pdq_cmd_code_t) ((int) op - 1);
+ /*
+ * Obtain the sizes needed for the command and response.
+ * Round up to PDQ_CMD_RX_ALIGNMENT so the receive buffer is
+ * always properly aligned.
+ */
+ cmdlen = PDQ_ROUNDUP(pdq_cmd_info[op].cmd_len, PDQ_CMD_RX_ALIGNMENT);
+ rsplen = PDQ_ROUNDUP(pdq_cmd_info[op].rsp_len, PDQ_CMD_RX_ALIGNMENT);
+ if (cmdlen < rsplen)
+ cmdlen = rsplen;
+ /*
+ * Since only one command at a time will be queued, there will always
+ * be enough space.
+ */
+
+ /*
+ * Obtain and fill in the descriptor for the command (descriptor is
+ * pre-initialized)
+ */
+ dbp->pdqdb_command_requests[ci->ci_request_producer].txd_seg_len = cmdlen;
+ PDQ_ADVANCE(ci->ci_request_producer, 1, PDQ_RING_MASK(dbp->pdqdb_command_requests));
+
+ /*
+ * Obtain and fill in the descriptor for the response (descriptor is
+ * pre-initialized)
+ */
+ dbp->pdqdb_command_responses[ci->ci_response_producer].rxd_seg_len_hi = cmdlen / 16;
+ PDQ_ADVANCE(ci->ci_response_producer, 1, PDQ_RING_MASK(dbp->pdqdb_command_responses));
+
+ /*
+ * Clear the command area, set the opcode, and the command from the pending
+ * mask.
+ */
+
+ PDQ_OS_MEMZERO(ci->ci_bufstart, cmdlen);
+ *(pdq_cmd_code_t *) ci->ci_bufstart = op;
+ ci->ci_pending_commands &= ~mask;
+
+ /*
+ * Fill in the command area, if needed.
+ */
+ switch (op) {
+ case PDQC_FILTER_SET: {
+ pdq_cmd_filter_set_t *filter_set = (pdq_cmd_filter_set_t *) ci->ci_bufstart;
+ unsigned idx = 0;
+ filter_set->filter_set_items[idx].item_code = PDQI_IND_GROUP_PROM;
+ filter_set->filter_set_items[idx].filter_state = (pdq->pdq_flags & PDQ_PROMISC ? PDQ_FILTER_PASS : PDQ_FILTER_BLOCK);
+ idx++;
+ filter_set->filter_set_items[idx].item_code = PDQI_GROUP_PROM;
+ filter_set->filter_set_items[idx].filter_state = (pdq->pdq_flags & PDQ_ALLMULTI ? PDQ_FILTER_PASS : PDQ_FILTER_BLOCK);
+ idx++;
+ filter_set->filter_set_items[idx].item_code = PDQI_SMT_PROM;
+ filter_set->filter_set_items[idx].filter_state = ((pdq->pdq_flags & (PDQ_PROMISC|PDQ_PASS_SMT)) == (PDQ_PROMISC|PDQ_PASS_SMT) ? PDQ_FILTER_PASS : PDQ_FILTER_BLOCK);
+ idx++;
+ filter_set->filter_set_items[idx].item_code = PDQI_SMT_USER;
+ filter_set->filter_set_items[idx].filter_state = (pdq->pdq_flags & PDQ_PASS_SMT ? PDQ_FILTER_PASS : PDQ_FILTER_BLOCK);
+ idx++;
+ filter_set->filter_set_items[idx].item_code = PDQI_EOL;
+ break;
+ }
+ case PDQC_ADDR_FILTER_SET: {
+ pdq_cmd_addr_filter_set_t *addr_filter_set = (pdq_cmd_addr_filter_set_t *) ci->ci_bufstart;
+ pdq_lanaddr_t *addr = addr_filter_set->addr_filter_set_addresses;
+ addr->lanaddr_bytes[0] = 0xFF;
+ addr->lanaddr_bytes[1] = 0xFF;
+ addr->lanaddr_bytes[2] = 0xFF;
+ addr->lanaddr_bytes[3] = 0xFF;
+ addr->lanaddr_bytes[4] = 0xFF;
+ addr->lanaddr_bytes[5] = 0xFF;
+ addr++;
+ pdq_os_addr_fill(pdq, addr, 61);
+ break;
+ }
+ default: { /* to make gcc happy */
+ break;
+ }
+ }
+ /*
+ * At this point the command is done. All that needs to be done is to
+ * produce it to the PDQ.
+ */
+ PDQ_PRINTF(("PDQ Queue Command Request: %s queued\n",
+ pdq_cmd_info[op].cmd_name));
+
+ ci->ci_command_active++;
+ PDQ_CSR_WRITE(csrs, csr_cmd_response_producer, ci->ci_response_producer | (ci->ci_response_completion << 8));
+ PDQ_CSR_WRITE(csrs, csr_cmd_request_producer, ci->ci_request_producer | (ci->ci_request_completion << 8));
+}
+
+static void
+pdq_process_command_responses(
+ pdq_t * const pdq)
+{
+ const pdq_csrs_t * const csrs = &pdq->pdq_csrs;
+ pdq_command_info_t * const ci = &pdq->pdq_command_info;
+ volatile const pdq_consumer_block_t * const cbp = pdq->pdq_cbp;
+ pdq_descriptor_block_t * const dbp = pdq->pdq_dbp;
+ const pdq_response_generic_t *rspgen;
+
+ /*
+ * We have to process the command and response in tandem so
+ * just wait for the response to be consumed. If it has been
+ * consumed then the command must have been as well.
+ */
+
+ if (cbp->pdqcb_command_response == ci->ci_response_completion)
+ return;
+
+ PDQ_ASSERT(cbp->pdqcb_command_request != ci->ci_request_completion);
+
+ rspgen = (const pdq_response_generic_t *) ci->ci_bufstart;
+ PDQ_ASSERT(rspgen->generic_status == PDQR_SUCCESS);
+ PDQ_PRINTF(("PDQ Process Command Response: %s completed (status=%d)\n",
+ pdq_cmd_info[rspgen->generic_op].cmd_name,
+ rspgen->generic_status));
+
+ if (rspgen->generic_op == PDQC_STATUS_CHARS_GET && (pdq->pdq_flags & PDQ_PRINTCHARS)) {
+ pdq->pdq_flags &= ~PDQ_PRINTCHARS;
+ pdq_print_fddi_chars(pdq, (const pdq_response_status_chars_get_t *) rspgen);
+ }
+
+ PDQ_ADVANCE(ci->ci_request_completion, 1, PDQ_RING_MASK(dbp->pdqdb_command_requests));
+ PDQ_ADVANCE(ci->ci_response_completion, 1, PDQ_RING_MASK(dbp->pdqdb_command_responses));
+ ci->ci_command_active = 0;
+
+ if (ci->ci_pending_commands != 0) {
+ pdq_queue_commands(pdq);
+ } else {
+ PDQ_CSR_WRITE(csrs, csr_cmd_response_producer,
+ ci->ci_response_producer | (ci->ci_response_completion << 8));
+ PDQ_CSR_WRITE(csrs, csr_cmd_request_producer,
+ ci->ci_request_producer | (ci->ci_request_completion << 8));
+ }
+}
+
+/*
+ * This following routine processes unsolicited events.
+ * In addition, it also fills the unsolicited queue with
+ * event buffers so it can be used to initialize the queue
+ * as well.
+ */
+static void
+pdq_process_unsolicited_events(
+ pdq_t *pdq)
+{
+ const pdq_csrs_t * const csrs = &pdq->pdq_csrs;
+ pdq_unsolicited_info_t *ui = &pdq->pdq_unsolicited_info;
+ volatile const pdq_consumer_block_t *cbp = pdq->pdq_cbp;
+ pdq_descriptor_block_t *dbp = pdq->pdq_dbp;
+ const pdq_unsolicited_event_t *event;
+ pdq_rxdesc_t *rxd;
+
+ /*
+ * Process each unsolicited event (if any).
+ */
+
+ while (cbp->pdqcb_unsolicited_event != ui->ui_completion) {
+ rxd = &dbp->pdqdb_unsolicited_events[ui->ui_completion];
+ event = &ui->ui_events[ui->ui_completion & (PDQ_NUM_UNSOLICITED_EVENTS-1)];
+
+ switch (event->event_type) {
+ case PDQ_UNSOLICITED_EVENT: {
+ printf(PDQ_OS_PREFIX "Unsolicited Event: %s: %s",
+ PDQ_OS_PREFIX_ARGS,
+ pdq_entities[event->event_entity],
+ pdq_event_codes[event->event_entity][event->event_code.value]);
+ if (event->event_entity == PDQ_ENTITY_PHY_PORT)
+ printf("[%d]", event->event_index);
+ printf("\n");
+ break;
+ }
+ case PDQ_UNSOLICITED_COUNTERS: {
+ break;
+ }
+ }
+ PDQ_ADVANCE(ui->ui_completion, 1, PDQ_RING_MASK(dbp->pdqdb_unsolicited_events));
+ ui->ui_free++;
+ }
+
+ /*
+ * Now give back the event buffers back to the PDQ.
+ */
+ PDQ_ADVANCE(ui->ui_producer, ui->ui_free, PDQ_RING_MASK(dbp->pdqdb_unsolicited_events));
+ ui->ui_free = 0;
+
+ PDQ_CSR_WRITE(csrs, csr_unsolicited_producer,
+ ui->ui_producer | (ui->ui_completion << 8));
+}
+
+static void
+pdq_process_received_data(
+ pdq_t *pdq,
+ pdq_rx_info_t *rx,
+ pdq_rxdesc_t *receives,
+ pdq_uint32_t completion_goal,
+ pdq_uint32_t ring_mask)
+{
+ pdq_uint32_t completion = rx->rx_completion;
+ pdq_uint32_t producer = rx->rx_producer;
+ PDQ_OS_DATABUF_T **buffers = (PDQ_OS_DATABUF_T **) rx->rx_buffers;
+ pdq_rxdesc_t *rxd;
+ pdq_uint32_t idx;
+
+ while (completion != completion_goal) {
+ PDQ_OS_DATABUF_T *fpdu, *lpdu, *npdu;
+ pdq_uint8_t *dataptr;
+ pdq_uint32_t fc, datalen, pdulen, segcnt;
+ pdq_rxstatus_t status;
+
+ fpdu = lpdu = buffers[completion];
+ PDQ_ASSERT(fpdu != NULL);
+
+ dataptr = PDQ_OS_DATABUF_PTR(fpdu);
+ status = *(pdq_rxstatus_t *) dataptr;
+ if ((status.rxs_status & 0x200000) == 0) {
+ datalen = status.rxs_status & 0x1FFF;
+ fc = dataptr[PDQ_RX_FC_OFFSET];
+ switch (fc & (PDQ_FDDIFC_C|PDQ_FDDIFC_L|PDQ_FDDIFC_F)) {
+ case PDQ_FDDI_LLC_ASYNC:
+ case PDQ_FDDI_LLC_SYNC:
+ case PDQ_FDDI_IMP_ASYNC:
+ case PDQ_FDDI_IMP_SYNC: {
+ if (datalen > PDQ_FDDI_MAX || datalen < PDQ_FDDI_LLC_MIN) {
+ PDQ_PRINTF(("discard: bad length %d\n", datalen));
+ goto discard_frame;
+ }
+ break;
+ }
+ case PDQ_FDDI_SMT: {
+ if (datalen > PDQ_FDDI_MAX || datalen < PDQ_FDDI_SMT_MIN)
+ goto discard_frame;
+ break;
+ }
+ default: {
+ PDQ_PRINTF(("discard: bad fc 0x%x\n", fc));
+ goto discard_frame;
+ }
+ }
+ /*
+ * Update the lengths of the data buffers now that we know
+ * the real length.
+ */
+ pdulen = datalen - 4 /* CRC */;
+ segcnt = (pdulen + PDQ_RX_FC_OFFSET + PDQ_OS_DATABUF_SIZE - 1) / PDQ_OS_DATABUF_SIZE;
+ PDQ_OS_DATABUF_ALLOC(npdu);
+ if (npdu == NULL) {
+ PDQ_PRINTF(("discard: no databuf #0\n"));
+ goto discard_frame;
+ }
+ buffers[completion] = npdu;
+ for (idx = 1; idx < segcnt; idx++) {
+ PDQ_OS_DATABUF_ALLOC(npdu);
+ if (npdu == NULL) {
+ PDQ_OS_DATABUF_NEXT_SET(lpdu, NULL);
+ PDQ_OS_DATABUF_FREE(fpdu);
+ goto discard_frame;
+ }
+ PDQ_OS_DATABUF_NEXT_SET(lpdu, buffers[(completion + idx) & ring_mask]);
+ lpdu = PDQ_OS_DATABUF_NEXT(lpdu);
+ buffers[(completion + idx) & ring_mask] = npdu;
+ }
+ PDQ_OS_DATABUF_NEXT_SET(lpdu, NULL);
+ for (idx = 0; idx < PDQ_RX_SEGCNT; idx++) {
+ buffers[(producer + idx) & ring_mask] =
+ buffers[(completion + idx) & ring_mask];
+ buffers[(completion + idx) & ring_mask] = NULL;
+ }
+ PDQ_OS_DATABUF_ADJ(fpdu, PDQ_RX_FC_OFFSET);
+ if (segcnt == 1) {
+ PDQ_OS_DATABUF_LEN_SET(fpdu, pdulen);
+ } else {
+ PDQ_OS_DATABUF_LEN_SET(lpdu, pdulen + PDQ_RX_FC_OFFSET - (segcnt - 1) * PDQ_OS_DATABUF_SIZE);
+ }
+ pdq_os_receive_pdu(pdq, fpdu, pdulen);
+ rx->rx_free += PDQ_RX_SEGCNT;
+ PDQ_ADVANCE(producer, PDQ_RX_SEGCNT, ring_mask);
+ PDQ_ADVANCE(completion, PDQ_RX_SEGCNT, ring_mask);
+ continue;
+ } else {
+ PDQ_PRINTF(("discard: bad pdu 0x%x(%d.%d.%d.%d.%d)\n", status.rxs_status,
+ status.rxs_rcc_badpdu, status.rxs_rcc_badcrc,
+ status.rxs_rcc_reason, status.rxs_fsc, status.rxs_fsb_e));
+ if (status.rxs_rcc_reason == 7)
+ goto discard_frame;
+ if (status.rxs_rcc_reason != 0)
+ /* hardware fault */
+ if (status.rxs_rcc_badcrc) {
+ printf(PDQ_OS_PREFIX " MAC CRC error (source=%x-%x-%x-%x-%x-%x)\n",
+ PDQ_OS_PREFIX_ARGS,
+ dataptr[PDQ_RX_FC_OFFSET+1],
+ dataptr[PDQ_RX_FC_OFFSET+2],
+ dataptr[PDQ_RX_FC_OFFSET+3],
+ dataptr[PDQ_RX_FC_OFFSET+4],
+ dataptr[PDQ_RX_FC_OFFSET+5],
+ dataptr[PDQ_RX_FC_OFFSET+6]);
+ /* rx->rx_badcrc++; */
+ } else if (status.rxs_fsc == 0 | status.rxs_fsb_e == 1) {
+ /* rx->rx_frame_status_errors++; */
+ } else {
+ /* hardware fault */
+ }
+ }
+ discard_frame:
+ /*
+ * Discarded frames go right back on the queue; therefore
+ * ring entries were freed.
+ */
+ for (idx = 0; idx < PDQ_RX_SEGCNT; idx++) {
+ buffers[producer] = buffers[completion];
+ buffers[completion] = NULL;
+ rxd = &receives[rx->rx_producer];
+ if (idx == 0) {
+ rxd->rxd_sop = 1; rxd->rxd_seg_cnt = PDQ_RX_SEGCNT - 1;
+ } else {
+ rxd->rxd_sop = 0; rxd->rxd_seg_cnt = 0;
+ }
+ rxd->rxd_pa_hi = 0;
+ rxd->rxd_seg_len_hi = PDQ_OS_DATABUF_SIZE / 16;
+ rxd->rxd_pa_lo = PDQ_OS_VA_TO_PA(pdq, PDQ_OS_DATABUF_PTR(buffers[rx->rx_producer]));
+ PDQ_ADVANCE(rx->rx_producer, 1, ring_mask);
+ PDQ_ADVANCE(producer, 1, ring_mask);
+ PDQ_ADVANCE(completion, 1, ring_mask);
+ }
+ }
+ rx->rx_completion = completion;
+
+ while (rx->rx_free > PDQ_RX_SEGCNT && rx->rx_free > rx->rx_target) {
+ PDQ_OS_DATABUF_T *pdu;
+ /*
+ * Allocate the needed number of data buffers.
+ * Try to obtain them from our free queue before
+ * asking the system for more.
+ */
+ for (idx = 0; idx < PDQ_RX_SEGCNT; idx++) {
+ if ((pdu = buffers[(rx->rx_producer + idx) & ring_mask]) == NULL) {
+ PDQ_OS_DATABUF_ALLOC(pdu);
+ if (pdu == NULL)
+ break;
+ buffers[(rx->rx_producer + idx) & ring_mask] = pdu;
+ }
+ rxd = &receives[(rx->rx_producer + idx) & ring_mask];
+ if (idx == 0) {
+ rxd->rxd_sop = 1; rxd->rxd_seg_cnt = PDQ_RX_SEGCNT - 1;
+ } else {
+ rxd->rxd_sop = 0; rxd->rxd_seg_cnt = 0;
+ }
+ rxd->rxd_pa_hi = 0;
+ rxd->rxd_seg_len_hi = PDQ_OS_DATABUF_SIZE / 16;
+ rxd->rxd_pa_lo = PDQ_OS_VA_TO_PA(pdq, PDQ_OS_DATABUF_PTR(pdu));
+ }
+ if (idx < PDQ_RX_SEGCNT) {
+ /*
+ * We didn't get all databufs required to complete a new
+ * receive buffer. Keep the ones we got and retry a bit
+ * later for the rest.
+ */
+ break;
+ }
+ PDQ_ADVANCE(rx->rx_producer, PDQ_RX_SEGCNT, ring_mask);
+ rx->rx_free -= PDQ_RX_SEGCNT;
+ }
+}
+
+pdq_boolean_t
+pdq_queue_transmit_data(
+ pdq_t *pdq,
+ PDQ_OS_DATABUF_T *pdu)
+{
+ pdq_tx_info_t *tx = &pdq->pdq_tx_info;
+ pdq_descriptor_block_t *dbp = pdq->pdq_dbp;
+ pdq_uint32_t producer = tx->tx_producer;
+ pdq_txdesc_t *eop = NULL;
+ PDQ_OS_DATABUF_T *pdu0;
+ pdq_uint32_t freecnt;
+
+ if (tx->tx_free < 1)
+ return PDQ_FALSE;
+
+ dbp->pdqdb_transmits[producer] = tx->tx_hdrdesc;
+ PDQ_ADVANCE(producer, 1, PDQ_RING_MASK(dbp->pdqdb_transmits));
+
+ for (freecnt = tx->tx_free - 1, pdu0 = pdu; pdu0 != NULL && freecnt > 0;) {
+ pdq_uint32_t fraglen, datalen = PDQ_OS_DATABUF_LEN(pdu0);
+ const pdq_uint8_t *dataptr = PDQ_OS_DATABUF_PTR(pdu0);
+
+ /*
+ * The first segment is limited to the space remaining in
+ * page. All segments after that can be up to a full page
+ * in size.
+ */
+ fraglen = PDQ_OS_PAGESIZE - ((dataptr - (pdq_uint8_t *) NULL) & (PDQ_OS_PAGESIZE-1));
+ while (datalen > 0 && freecnt > 0) {
+ pdq_uint32_t seglen = (fraglen < datalen ? fraglen : datalen);
+
+ /*
+ * Initialize the transmit descriptor
+ */
+ eop = &dbp->pdqdb_transmits[producer];
+ eop->txd_seg_len = seglen;
+ eop->txd_pa_lo = PDQ_OS_VA_TO_PA(pdq, dataptr);
+ eop->txd_sop = eop->txd_eop = eop->txd_pa_hi = 0;
+
+ datalen -= seglen;
+ dataptr += seglen;
+ fraglen = PDQ_OS_PAGESIZE;
+ freecnt--;
+ PDQ_ADVANCE(producer, 1, PDQ_RING_MASK(dbp->pdqdb_transmits));
+ }
+ pdu0 = PDQ_OS_DATABUF_NEXT(pdu0);
+ }
+ if (pdu0 != NULL) {
+ PDQ_ASSERT(freecnt == 0);
+ /*
+ * If we still have data to process then the ring was too full
+ * to store the PDU. Return FALSE so the caller will requeue
+ * the PDU for later.
+ */
+ return PDQ_FALSE;
+ }
+ /*
+ * Everything went fine. Finish it up.
+ */
+ tx->tx_descriptor_count[tx->tx_producer] = tx->tx_free - freecnt;
+ eop->txd_eop = 1;
+ PDQ_OS_DATABUF_ENQUEUE(&tx->tx_txq, pdu);
+ tx->tx_producer = producer;
+ tx->tx_free = freecnt;
+ PDQ_DO_TYPE2_PRODUCER(pdq);
+ return PDQ_TRUE;
+}
+
+static void
+pdq_process_transmitted_data(
+ pdq_t *pdq)
+{
+ pdq_tx_info_t *tx = &pdq->pdq_tx_info;
+ volatile const pdq_consumer_block_t *cbp = pdq->pdq_cbp;
+ pdq_descriptor_block_t *dbp = pdq->pdq_dbp;
+ pdq_uint32_t completion = tx->tx_completion;
+
+ while (completion != cbp->pdqcb_transmits) {
+ PDQ_OS_DATABUF_T *pdu;
+ pdq_uint32_t descriptor_count = tx->tx_descriptor_count[completion];
+ PDQ_ASSERT(dbp->pdqdb_transmits[completion].txd_sop == 1);
+ PDQ_ASSERT(dbp->pdqdb_transmits[(completion + descriptor_count - 1) & PDQ_RING_MASK(dbp->pdqdb_transmits)].txd_eop == 1);
+ PDQ_OS_DATABUF_DEQUEUE(&tx->tx_txq, pdu);
+ pdq_os_transmit_done(pdq, pdu);
+ tx->tx_free += descriptor_count;
+
+ PDQ_ADVANCE(completion, descriptor_count, PDQ_RING_MASK(dbp->pdqdb_transmits));
+ }
+ if (tx->tx_completion != completion) {
+ tx->tx_completion = completion;
+ pdq_os_restart_transmitter(pdq);
+ }
+ PDQ_DO_TYPE2_PRODUCER(pdq);
+}
+
+void
+pdq_flush_transmitter(
+ pdq_t *pdq)
+{
+ volatile pdq_consumer_block_t *cbp = pdq->pdq_cbp;
+ pdq_tx_info_t *tx = &pdq->pdq_tx_info;
+
+ for (;;) {
+ PDQ_OS_DATABUF_T *pdu;
+ PDQ_OS_DATABUF_DEQUEUE(&tx->tx_txq, pdu);
+ if (pdu == NULL)
+ break;
+ /*
+ * Don't call transmit done since the packet never made it
+ * out on the wire.
+ */
+ PDQ_OS_DATABUF_FREE(pdu);
+ }
+
+ tx->tx_free = PDQ_RING_MASK(pdq->pdq_dbp->pdqdb_transmits);
+ tx->tx_completion = cbp->pdqcb_transmits = tx->tx_producer;
+
+ PDQ_DO_TYPE2_PRODUCER(pdq);
+}
+
+void
+pdq_hwreset(
+ pdq_t *pdq)
+{
+ const pdq_csrs_t * const csrs = &pdq->pdq_csrs;
+ pdq_state_t state;
+ int cnt;
+
+ state = PDQ_PSTS_ADAPTER_STATE(PDQ_CSR_READ(csrs, csr_port_status));
+ if (state == PDQS_DMA_UNAVAILABLE)
+ return;
+ PDQ_CSR_WRITE(csrs, csr_port_data_a,
+ (state == PDQS_HALTED) ? 0 : PDQ_PRESET_SKIP_SELFTEST);
+ PDQ_CSR_WRITE(csrs, csr_port_reset, 1);
+ PDQ_OS_USEC_DELAY(100);
+ PDQ_CSR_WRITE(csrs, csr_port_reset, 0);
+ for (cnt = 45000;;cnt--) {
+ PDQ_OS_USEC_DELAY(1000);
+ state = PDQ_PSTS_ADAPTER_STATE(PDQ_CSR_READ(csrs, csr_port_status));
+ if (state == PDQS_DMA_UNAVAILABLE || cnt == 0)
+ break;
+ }
+ PDQ_PRINTF(("PDQ Reset spun %d cycles\n", 45000 - cnt));
+ PDQ_OS_USEC_DELAY(10000);
+ state = PDQ_PSTS_ADAPTER_STATE(PDQ_CSR_READ(csrs, csr_port_status));
+ PDQ_ASSERT(state == PDQS_DMA_UNAVAILABLE);
+ PDQ_ASSERT(cnt > 0);
+}
+
+/*
+ * The following routine brings the PDQ from whatever state it is
+ * in to DMA_UNAVAILABLE (ie. like a RESET but without doing a RESET).
+ */
+pdq_state_t
+pdq_stop(
+ pdq_t *pdq)
+{
+ pdq_state_t state;
+ const pdq_csrs_t * const csrs = &pdq->pdq_csrs;
+ int cnt, pass = 0, idx;
+ PDQ_OS_DATABUF_T **buffers;
+
+ restart:
+ state = PDQ_PSTS_ADAPTER_STATE(PDQ_CSR_READ(csrs, csr_port_status));
+ if (state != PDQS_DMA_UNAVAILABLE) {
+ pdq_hwreset(pdq);
+ state = PDQ_PSTS_ADAPTER_STATE(PDQ_CSR_READ(csrs, csr_port_status));
+ PDQ_ASSERT(state == PDQS_DMA_UNAVAILABLE);
+ }
+#if 0
+ switch (state) {
+ case PDQS_RING_MEMBER:
+ case PDQS_LINK_UNAVAILABLE:
+ case PDQS_LINK_AVAILABLE: {
+ PDQ_CSR_WRITE(csrs, csr_port_data_a, PDQ_SUB_CMD_LINK_UNINIT);
+ PDQ_CSR_WRITE(csrs, csr_port_data_b, 0);
+ pdq_do_port_control(csrs, PDQ_PCTL_SUB_CMD);
+ state = PDQ_PSTS_ADAPTER_STATE(PDQ_CSR_READ(csrs, csr_port_status));
+ PDQ_ASSERT(state == PDQS_DMA_AVAILABLE);
+ /* FALL THROUGH */
+ }
+ case PDQS_DMA_AVAILABLE: {
+ PDQ_CSR_WRITE(csrs, csr_port_data_a, 0);
+ PDQ_CSR_WRITE(csrs, csr_port_data_b, 0);
+ pdq_do_port_control(csrs, PDQ_PCTL_DMA_UNINIT);
+ state = PDQ_PSTS_ADAPTER_STATE(PDQ_CSR_READ(csrs, csr_port_status));
+ PDQ_ASSERT(state == PDQS_DMA_UNAVAILABLE);
+ /* FALL THROUGH */
+ }
+ case PDQS_DMA_UNAVAILABLE: {
+ break;
+ }
+ }
+#endif
+ /*
+ * Now we should be in DMA_UNAVAILABLE. So bring the PDQ into
+ * DMA_AVAILABLE.
+ */
+
+ /*
+ * Obtain the hardware address and firmware revisions
+ * (MLA = my long address which is FDDI speak for hardware address)
+ */
+ pdq_read_mla(&pdq->pdq_csrs, &pdq->pdq_hwaddr);
+ pdq_read_fwrev(&pdq->pdq_csrs, &pdq->pdq_fwrev);
+ pdq->pdq_chip_rev = pdq_read_chiprev(&pdq->pdq_csrs);
+
+ if (pdq->pdq_type == PDQ_DEFPA) {
+ /*
+ * Disable interrupts and DMA.
+ */
+ PDQ_CSR_WRITE(&pdq->pdq_pci_csrs, csr_pfi_mode_control, 0);
+ PDQ_CSR_WRITE(&pdq->pdq_pci_csrs, csr_pfi_status, 0x10);
+ }
+
+ /*
+ * Flush all the databuf queues.
+ */
+ pdq_flush_databuf_queue(&pdq->pdq_tx_info.tx_txq);
+ pdq->pdq_flags &= ~PDQ_TXOK;
+ buffers = (PDQ_OS_DATABUF_T **) pdq->pdq_rx_info.rx_buffers;
+ for (idx = 0; idx < PDQ_RING_SIZE(pdq->pdq_dbp->pdqdb_receives); idx++) {
+ if (buffers[idx] != NULL) {
+ PDQ_OS_DATABUF_FREE(buffers[idx]);
+ buffers[idx] = NULL;
+ }
+ }
+ pdq->pdq_rx_info.rx_free = PDQ_RING_MASK(pdq->pdq_dbp->pdqdb_receives);
+ buffers = (PDQ_OS_DATABUF_T **) pdq->pdq_host_smt_info.rx_buffers;
+ for (idx = 0; idx < PDQ_RING_SIZE(pdq->pdq_dbp->pdqdb_host_smt); idx++) {
+ if (buffers[idx] != NULL) {
+ PDQ_OS_DATABUF_FREE(buffers[idx]);
+ buffers[idx] = NULL;
+ }
+ }
+ pdq->pdq_host_smt_info.rx_free = PDQ_RING_MASK(pdq->pdq_dbp->pdqdb_host_smt);
+
+ /*
+ * Reset the consumer indexes to 0.
+ */
+ pdq->pdq_cbp->pdqcb_receives = 0;
+ pdq->pdq_cbp->pdqcb_transmits = 0;
+ pdq->pdq_cbp->pdqcb_host_smt = 0;
+ pdq->pdq_cbp->pdqcb_unsolicited_event = 0;
+ pdq->pdq_cbp->pdqcb_command_response = 0;
+ pdq->pdq_cbp->pdqcb_command_request = 0;
+
+ /*
+ * Reset the producer and completion indexes to 0.
+ */
+ pdq->pdq_command_info.ci_request_producer = 0;
+ pdq->pdq_command_info.ci_response_producer = 0;
+ pdq->pdq_command_info.ci_request_completion = 0;
+ pdq->pdq_command_info.ci_response_completion = 0;
+ pdq->pdq_unsolicited_info.ui_producer = 0;
+ pdq->pdq_unsolicited_info.ui_completion = 0;
+ pdq->pdq_rx_info.rx_producer = 0;
+ pdq->pdq_rx_info.rx_completion = 0;
+ pdq->pdq_tx_info.tx_producer = 0;
+ pdq->pdq_tx_info.tx_completion = 0;
+ pdq->pdq_host_smt_info.rx_producer = 0;
+ pdq->pdq_host_smt_info.rx_completion = 0;
+
+ pdq->pdq_command_info.ci_command_active = 0;
+ pdq->pdq_unsolicited_info.ui_free = PDQ_NUM_UNSOLICITED_EVENTS;
+ pdq->pdq_tx_info.tx_free = PDQ_RING_MASK(pdq->pdq_dbp->pdqdb_transmits);
+
+ /*
+ * Allow the DEFPA to do DMA. Then program the physical
+ * addresses of the consumer and descriptor blocks.
+ */
+ if (pdq->pdq_type == PDQ_DEFPA) {
+#ifdef PDQTEST
+ PDQ_CSR_WRITE(&pdq->pdq_pci_csrs, csr_pfi_mode_control,
+ PDQ_PFI_MODE_DMA_ENABLE);
+#else
+ PDQ_CSR_WRITE(&pdq->pdq_pci_csrs, csr_pfi_mode_control,
+ PDQ_PFI_MODE_DMA_ENABLE
+ /*|PDQ_PFI_MODE_PFI_PCI_INTR*/|PDQ_PFI_MODE_PDQ_PCI_INTR);
+#endif
+ }
+
+ /*
+ * Make sure the unsolicited queue has events ...
+ */
+ pdq_process_unsolicited_events(pdq);
+
+ if (pdq->pdq_type == PDQ_DEFEA && pdq->pdq_chip_rev == PDQ_CHIP_REV_E)
+ PDQ_CSR_WRITE(csrs, csr_port_data_b, PDQ_DMA_BURST_16LW);
+ else
+ PDQ_CSR_WRITE(csrs, csr_port_data_b, PDQ_DMA_BURST_8LW);
+ PDQ_CSR_WRITE(csrs, csr_port_data_a, PDQ_SUB_CMD_DMA_BURST_SIZE_SET);
+ pdq_do_port_control(csrs, PDQ_PCTL_SUB_CMD);
+
+ PDQ_CSR_WRITE(csrs, csr_port_data_b, 0);
+ PDQ_CSR_WRITE(csrs, csr_port_data_a, PDQ_OS_VA_TO_PA(pdq, pdq->pdq_cbp));
+ pdq_do_port_control(csrs, PDQ_PCTL_CONSUMER_BLOCK);
+
+ PDQ_CSR_WRITE(csrs, csr_port_data_b, 0);
+ PDQ_CSR_WRITE(csrs, csr_port_data_a,
+ PDQ_OS_VA_TO_PA(pdq, pdq->pdq_dbp) | PDQ_DMA_INIT_LW_BSWAP_DATA);
+ pdq_do_port_control(csrs, PDQ_PCTL_DMA_INIT);
+
+ for (cnt = 0; cnt < 1000; cnt++) {
+ state = PDQ_PSTS_ADAPTER_STATE(PDQ_CSR_READ(csrs, csr_port_status));
+ if (state == PDQS_HALTED) {
+ if (pass > 0)
+ return PDQS_HALTED;
+ pass = 1;
+ goto restart;
+ }
+ if (state == PDQS_DMA_AVAILABLE) {
+ PDQ_PRINTF(("Transition to DMA Available took %d spins\n", cnt));
+ break;
+ }
+ PDQ_OS_USEC_DELAY(1000);
+ }
+ PDQ_ASSERT(state == PDQS_DMA_AVAILABLE);
+
+ PDQ_CSR_WRITE(csrs, csr_host_int_type_0, 0xFF);
+ PDQ_CSR_WRITE(csrs, csr_host_int_enable, 0) /* PDQ_HOST_INT_STATE_CHANGE
+ |PDQ_HOST_INT_FATAL_ERROR|PDQ_HOST_INT_CMD_RSP_ENABLE
+ |PDQ_HOST_INT_UNSOL_ENABLE */;
+
+ /*
+ * Any other command but START should be valid.
+ */
+ pdq->pdq_command_info.ci_pending_commands &= ~(PDQ_BITMASK(PDQC_START));
+ if (pdq->pdq_flags & PDQ_PRINTCHARS)
+ pdq->pdq_command_info.ci_pending_commands |= PDQ_BITMASK(PDQC_STATUS_CHARS_GET);
+ pdq_queue_commands(pdq);
+
+ if (pdq->pdq_flags & PDQ_PRINTCHARS) {
+ /*
+ * Now wait (up to 100ms) for the command(s) to finish.
+ */
+ for (cnt = 0; cnt < 1000; cnt++) {
+ pdq_process_command_responses(pdq);
+ if (pdq->pdq_command_info.ci_response_producer == pdq->pdq_command_info.ci_response_completion)
+ break;
+ PDQ_OS_USEC_DELAY(1000);
+ }
+ state = PDQ_PSTS_ADAPTER_STATE(PDQ_CSR_READ(csrs, csr_port_status));
+ }
+
+ return state;
+}
+
+void
+pdq_run(
+ pdq_t *pdq)
+{
+ const pdq_csrs_t * const csrs = &pdq->pdq_csrs;
+ pdq_state_t state;
+
+ state = PDQ_PSTS_ADAPTER_STATE(PDQ_CSR_READ(csrs, csr_port_status));
+ PDQ_ASSERT(state != PDQS_DMA_UNAVAILABLE);
+ PDQ_ASSERT(state != PDQS_RESET);
+ PDQ_ASSERT(state != PDQS_HALTED);
+ PDQ_ASSERT(state != PDQS_UPGRADE);
+ PDQ_ASSERT(state != PDQS_RING_MEMBER);
+ switch (state) {
+ case PDQS_DMA_AVAILABLE: {
+ /*
+ * The PDQ after being reset screws up some of its state.
+ * So we need to clear all the errors/interrupts so the real
+ * ones will get through.
+ */
+ PDQ_CSR_WRITE(csrs, csr_host_int_type_0, 0xFF);
+ PDQ_CSR_WRITE(csrs, csr_host_int_enable, PDQ_HOST_INT_STATE_CHANGE|PDQ_HOST_INT_XMT_DATA_FLUSH
+ |PDQ_HOST_INT_FATAL_ERROR|PDQ_HOST_INT_CMD_RSP_ENABLE|PDQ_HOST_INT_UNSOL_ENABLE
+ |PDQ_HOST_INT_RX_ENABLE|PDQ_HOST_INT_TX_ENABLE|PDQ_HOST_INT_HOST_SMT_ENABLE);
+ /*
+ * Set the MAC and address filters and start up the PDQ.
+ */
+ pdq_process_unsolicited_events(pdq);
+ pdq_process_received_data(pdq, &pdq->pdq_rx_info,
+ pdq->pdq_dbp->pdqdb_receives,
+ pdq->pdq_cbp->pdqcb_receives,
+ PDQ_RING_MASK(pdq->pdq_dbp->pdqdb_receives));
+ PDQ_DO_TYPE2_PRODUCER(pdq);
+ if (pdq->pdq_flags & PDQ_PASS_SMT) {
+ pdq_process_received_data(pdq, &pdq->pdq_host_smt_info,
+ pdq->pdq_dbp->pdqdb_host_smt,
+ pdq->pdq_cbp->pdqcb_host_smt,
+ PDQ_RING_MASK(pdq->pdq_dbp->pdqdb_host_smt));
+ PDQ_CSR_WRITE(csrs, csr_host_smt_producer,
+ pdq->pdq_host_smt_info.rx_producer
+ | (pdq->pdq_host_smt_info.rx_completion << 8));
+ }
+ pdq->pdq_command_info.ci_pending_commands = PDQ_BITMASK(PDQC_FILTER_SET)
+ | PDQ_BITMASK(PDQC_ADDR_FILTER_SET) | PDQ_BITMASK(PDQC_START);
+ if (pdq->pdq_flags & PDQ_PRINTCHARS)
+ pdq->pdq_command_info.ci_pending_commands |= PDQ_BITMASK(PDQC_STATUS_CHARS_GET);
+ pdq_queue_commands(pdq);
+ break;
+ }
+ case PDQS_LINK_UNAVAILABLE:
+ case PDQS_LINK_AVAILABLE: {
+ pdq->pdq_command_info.ci_pending_commands = PDQ_BITMASK(PDQC_FILTER_SET)
+ | PDQ_BITMASK(PDQC_ADDR_FILTER_SET);
+ if (pdq->pdq_flags & PDQ_PRINTCHARS)
+ pdq->pdq_command_info.ci_pending_commands |= PDQ_BITMASK(PDQC_STATUS_CHARS_GET);
+ if (pdq->pdq_flags & PDQ_PASS_SMT) {
+ pdq_process_received_data(pdq, &pdq->pdq_host_smt_info,
+ pdq->pdq_dbp->pdqdb_host_smt,
+ pdq->pdq_cbp->pdqcb_host_smt,
+ PDQ_RING_MASK(pdq->pdq_dbp->pdqdb_host_smt));
+ PDQ_CSR_WRITE(csrs, csr_host_smt_producer,
+ pdq->pdq_host_smt_info.rx_producer
+ | (pdq->pdq_host_smt_info.rx_completion << 8));
+ }
+ pdq_process_unsolicited_events(pdq);
+ pdq_queue_commands(pdq);
+ break;
+ }
+ case PDQS_RING_MEMBER: {
+ }
+ default: { /* to make gcc happy */
+ break;
+ }
+ }
+}
+
+int
+pdq_interrupt(
+ pdq_t *pdq)
+{
+ const pdq_csrs_t * const csrs = &pdq->pdq_csrs;
+ pdq_uint32_t data;
+ int progress = 0;
+
+ if (pdq->pdq_type == PDQ_DEFPA)
+ PDQ_CSR_WRITE(&pdq->pdq_pci_csrs, csr_pfi_status, 0x18);
+
+ while ((data = PDQ_CSR_READ(csrs, csr_port_status)) & PDQ_PSTS_INTR_PENDING) {
+ progress = 1;
+ PDQ_PRINTF(("PDQ Interrupt: Status = 0x%08x\n", data));
+ if (data & PDQ_PSTS_RCV_DATA_PENDING) {
+ pdq_process_received_data(pdq, &pdq->pdq_rx_info,
+ pdq->pdq_dbp->pdqdb_receives,
+ pdq->pdq_cbp->pdqcb_receives,
+ PDQ_RING_MASK(pdq->pdq_dbp->pdqdb_receives));
+ PDQ_DO_TYPE2_PRODUCER(pdq);
+ }
+ if (data & PDQ_PSTS_HOST_SMT_PENDING) {
+ pdq_process_received_data(pdq, &pdq->pdq_host_smt_info,
+ pdq->pdq_dbp->pdqdb_host_smt,
+ pdq->pdq_cbp->pdqcb_host_smt,
+ PDQ_RING_MASK(pdq->pdq_dbp->pdqdb_host_smt));
+ PDQ_DO_HOST_SMT_PRODUCER(pdq);
+ }
+ if (data & PDQ_PSTS_XMT_DATA_PENDING)
+ pdq_process_transmitted_data(pdq);
+ if (data & PDQ_PSTS_UNSOL_PENDING)
+ pdq_process_unsolicited_events(pdq);
+ if (data & PDQ_PSTS_CMD_RSP_PENDING)
+ pdq_process_command_responses(pdq);
+ if (data & PDQ_PSTS_TYPE_0_PENDING) {
+ data = PDQ_CSR_READ(csrs, csr_host_int_type_0);
+ if (data & PDQ_HOST_INT_STATE_CHANGE) {
+ pdq_state_t state = PDQ_PSTS_ADAPTER_STATE(PDQ_CSR_READ(csrs, csr_port_status));
+ printf(PDQ_OS_PREFIX "%s", PDQ_OS_PREFIX_ARGS, pdq_adapter_states[state]);
+ if (state == PDQS_LINK_UNAVAILABLE) {
+ pdq->pdq_flags &= ~PDQ_TXOK;
+ } else if (state == PDQS_LINK_AVAILABLE) {
+ pdq->pdq_flags |= PDQ_TXOK;
+ pdq_os_restart_transmitter(pdq);
+ } else if (state == PDQS_HALTED) {
+ pdq_response_error_log_get_t log_entry;
+ pdq_halt_code_t halt_code = PDQ_PSTS_HALT_ID(PDQ_CSR_READ(csrs, csr_port_status));
+ printf(": halt code = %d (%s)\n",
+ halt_code, pdq_halt_codes[halt_code]);
+ if (halt_code == PDQH_DMA_ERROR && pdq->pdq_type == PDQ_DEFPA) {
+ PDQ_PRINTF(("\tPFI status = 0x%x, Host 0 Fatal Interrupt = 0x%x\n",
+ PDQ_CSR_READ(&pdq->pdq_pci_csrs, csr_pfi_status),
+ data & PDQ_HOST_INT_FATAL_ERROR));
+ }
+ pdq_read_error_log(pdq, &log_entry);
+ pdq_stop(pdq);
+ if (pdq->pdq_flags & PDQ_RUNNING)
+ pdq_run(pdq);
+ return 1;
+ }
+ printf("\n");
+ PDQ_CSR_WRITE(csrs, csr_host_int_type_0, PDQ_HOST_INT_STATE_CHANGE);
+ }
+ if (data & PDQ_HOST_INT_FATAL_ERROR) {
+ pdq_stop(pdq);
+ if (pdq->pdq_flags & PDQ_RUNNING)
+ pdq_run(pdq);
+ return 1;
+ }
+ if (data & PDQ_HOST_INT_XMT_DATA_FLUSH) {
+ printf(PDQ_OS_PREFIX "Flushing transmit queue\n", PDQ_OS_PREFIX_ARGS);
+ pdq->pdq_flags &= ~PDQ_TXOK;
+ pdq_flush_transmitter(pdq);
+ pdq_do_port_control(csrs, PDQ_PCTL_XMT_DATA_FLUSH_DONE);
+ PDQ_CSR_WRITE(csrs, csr_host_int_type_0, PDQ_HOST_INT_XMT_DATA_FLUSH);
+ }
+ }
+ if (pdq->pdq_type == PDQ_DEFPA)
+ PDQ_CSR_WRITE(&pdq->pdq_pci_csrs, csr_pfi_status, 0x18);
+ }
+ return progress;
+}
+
+pdq_t *
+pdq_initialize(
+ pdq_bus_t bus,
+ pdq_bus_memaddr_t csr_base,
+ const char *name,
+ int unit,
+ void *ctx,
+ pdq_type_t type)
+{
+ pdq_t *pdq;
+ pdq_state_t state;
+ const pdq_uint32_t contig_bytes = (sizeof(pdq_descriptor_block_t) * 2) - PDQ_OS_PAGESIZE;
+ pdq_uint8_t *p;
+ int idx;
+
+ PDQ_ASSERT(sizeof(pdq_descriptor_block_t) == 8192);
+ PDQ_ASSERT(sizeof(pdq_consumer_block_t) == 64);
+ PDQ_ASSERT(sizeof(pdq_response_filter_get_t) == PDQ_SIZE_RESPONSE_FILTER_GET);
+ PDQ_ASSERT(sizeof(pdq_cmd_addr_filter_set_t) == PDQ_SIZE_CMD_ADDR_FILTER_SET);
+ PDQ_ASSERT(sizeof(pdq_response_addr_filter_get_t) == PDQ_SIZE_RESPONSE_ADDR_FILTER_GET);
+ PDQ_ASSERT(sizeof(pdq_response_status_chars_get_t) == PDQ_SIZE_RESPONSE_STATUS_CHARS_GET);
+ PDQ_ASSERT(sizeof(pdq_response_fddi_mib_get_t) == PDQ_SIZE_RESPONSE_FDDI_MIB_GET);
+ PDQ_ASSERT(sizeof(pdq_response_dec_ext_mib_get_t) == PDQ_SIZE_RESPONSE_DEC_EXT_MIB_GET);
+ PDQ_ASSERT(sizeof(pdq_unsolicited_event_t) == 512);
+
+ pdq = (pdq_t *) PDQ_OS_MEMALLOC(sizeof(pdq_t));
+ if (pdq == NULL) {
+ PDQ_PRINTF(("malloc(%d) failed\n", sizeof(*pdq)));
+ return NULL;
+ }
+ PDQ_OS_MEMZERO(pdq, sizeof(pdq_t));
+ pdq->pdq_type = type;
+ pdq->pdq_unit = unit;
+ pdq->pdq_os_ctx = (void *) ctx;
+ pdq->pdq_os_name = name;
+ pdq->pdq_flags = PDQ_PRINTCHARS;
+ /*
+ * Allocate the additional data structures required by
+ * the PDQ driver. Allocate a contiguous region of memory
+ * for the descriptor block. We need to allocated enough
+ * to guarantee that we will a get 8KB block of memory aligned
+ * on a 8KB boundary. This turns to require that we allocate
+ * (N*2 - 1 page) pages of memory. On machine with less than
+ * a 8KB page size, it mean we will allocate more memory than
+ * we need. The extra will be used for the unsolicited event
+ * buffers (though on machines with 8KB pages we will to allocate
+ * them separately since there will be nothing left overs.)
+ */
+ p = (pdq_uint8_t *) PDQ_OS_MEMALLOC_CONTIG(contig_bytes);
+ if (p != NULL) {
+ pdq_physaddr_t physaddr = PDQ_OS_VA_TO_PA(pdq, p);
+ /*
+ * Assert that we really got contiguous memory. This isn't really
+ * needed on systems that actually have physical contiguous allocation
+ * routines, but on those systems that don't ...
+ */
+ for (idx = PDQ_OS_PAGESIZE; idx < 0x2000; idx += PDQ_OS_PAGESIZE) {
+ if (PDQ_OS_VA_TO_PA(pdq, p + idx) - physaddr != idx)
+ goto cleanup_and_return;
+ }
+ physaddr &= 0x1FFF;
+ if (physaddr) {
+ pdq->pdq_unsolicited_info.ui_events = (pdq_unsolicited_event_t *) p;
+ pdq->pdq_dbp = (pdq_descriptor_block_t *) &p[0x2000 - physaddr];
+ } else {
+ pdq->pdq_dbp = (pdq_descriptor_block_t *) p;
+ pdq->pdq_unsolicited_info.ui_events = (pdq_unsolicited_event_t *) &p[0x2000];
+ }
+ }
+ if (contig_bytes == sizeof(pdq_descriptor_block_t)) {
+ pdq->pdq_unsolicited_info.ui_events =
+ (pdq_unsolicited_event_t *) PDQ_OS_MEMALLOC(
+ PDQ_NUM_UNSOLICITED_EVENTS * sizeof(pdq_unsolicited_event_t));
+ }
+
+ /*
+ * Make sure everything got allocated. If not, free what did
+ * get allocated and return.
+ */
+ if (pdq->pdq_dbp == NULL || pdq->pdq_unsolicited_info.ui_events == NULL) {
+ cleanup_and_return:
+ if (p /* pdq->pdq_dbp */ != NULL)
+ PDQ_OS_MEMFREE_CONTIG(p /* pdq->pdq_dbp */, contig_bytes);
+ if (contig_bytes == sizeof(pdq_descriptor_block_t) && pdq->pdq_unsolicited_info.ui_events != NULL)
+ PDQ_OS_MEMFREE(pdq->pdq_unsolicited_info.ui_events,
+ PDQ_NUM_UNSOLICITED_EVENTS * sizeof(pdq_unsolicited_event_t));
+ PDQ_OS_MEMFREE(pdq, sizeof(pdq_t));
+ return NULL;
+ }
+
+ pdq->pdq_cbp = (volatile pdq_consumer_block_t *) &pdq->pdq_dbp->pdqdb_consumer;
+ pdq->pdq_command_info.ci_bufstart = (pdq_uint8_t *) pdq->pdq_dbp->pdqdb_command_pool;
+ pdq->pdq_rx_info.rx_buffers = (void *) pdq->pdq_dbp->pdqdb_receive_buffers;
+
+ pdq->pdq_host_smt_info.rx_buffers = (void *) pdq->pdq_dbp->pdqdb_host_smt_buffers;
+
+ PDQ_PRINTF(("\nPDQ Descriptor Block = " PDQ_OS_PTR_FMT "\n", pdq->pdq_dbp));
+ PDQ_PRINTF((" Recieve Queue = " PDQ_OS_PTR_FMT "\n", pdq->pdq_dbp->pdqdb_receives));
+ PDQ_PRINTF((" Transmit Queue = " PDQ_OS_PTR_FMT "\n", pdq->pdq_dbp->pdqdb_transmits));
+ PDQ_PRINTF((" Host SMT Queue = " PDQ_OS_PTR_FMT "\n", pdq->pdq_dbp->pdqdb_host_smt));
+ PDQ_PRINTF((" Command Response Queue = " PDQ_OS_PTR_FMT "\n", pdq->pdq_dbp->pdqdb_command_responses));
+ PDQ_PRINTF((" Command Request Queue = " PDQ_OS_PTR_FMT "\n", pdq->pdq_dbp->pdqdb_command_requests));
+ PDQ_PRINTF(("PDQ Consumer Block = " PDQ_OS_PTR_FMT "\n", pdq->pdq_cbp));
+
+ /*
+ * Zero out the descriptor block. Not really required but
+ * it pays to be neat. This will also zero out the consumer
+ * block, command pool, and buffer pointers for the receive
+ * host_smt rings.
+ */
+ PDQ_OS_MEMZERO(pdq->pdq_dbp, sizeof(*pdq->pdq_dbp));
+
+ /*
+ * Initialize the CSR references.
+ * the DEFAA (FutureBus+) skips a longword between registers
+ */
+ pdq_init_csrs(&pdq->pdq_csrs, bus, csr_base, pdq->pdq_type == PDQ_DEFAA ? 2 : 1);
+ if (pdq->pdq_type == PDQ_DEFPA)
+ pdq_init_pci_csrs(&pdq->pdq_pci_csrs, bus, csr_base, 1);
+
+ PDQ_PRINTF(("PDQ CSRs: BASE = " PDQ_OS_PTR_FMT "\n", pdq->pdq_csrs.csr_base));
+ PDQ_PRINTF((" Port Reset = " PDQ_OS_PTR_FMT " [0x%08x]\n",
+ pdq->pdq_csrs.csr_port_reset, PDQ_CSR_READ(&pdq->pdq_csrs, csr_port_reset)));
+ PDQ_PRINTF((" Host Data = " PDQ_OS_PTR_FMT " [0x%08x]\n",
+ pdq->pdq_csrs.csr_host_data, PDQ_CSR_READ(&pdq->pdq_csrs, csr_host_data)));
+ PDQ_PRINTF((" Port Control = " PDQ_OS_PTR_FMT " [0x%08x]\n",
+ pdq->pdq_csrs.csr_port_control, PDQ_CSR_READ(&pdq->pdq_csrs, csr_port_control)));
+ PDQ_PRINTF((" Port Data A = " PDQ_OS_PTR_FMT " [0x%08x]\n",
+ pdq->pdq_csrs.csr_port_data_a, PDQ_CSR_READ(&pdq->pdq_csrs, csr_port_data_a)));
+ PDQ_PRINTF((" Port Data B = " PDQ_OS_PTR_FMT " [0x%08x]\n",
+ pdq->pdq_csrs.csr_port_data_b, PDQ_CSR_READ(&pdq->pdq_csrs, csr_port_data_b)));
+ PDQ_PRINTF((" Port Status = " PDQ_OS_PTR_FMT " [0x%08x]\n",
+ pdq->pdq_csrs.csr_port_status, PDQ_CSR_READ(&pdq->pdq_csrs, csr_port_status)));
+ PDQ_PRINTF((" Host Int Type 0 = " PDQ_OS_PTR_FMT " [0x%08x]\n",
+ pdq->pdq_csrs.csr_host_int_type_0, PDQ_CSR_READ(&pdq->pdq_csrs, csr_host_int_type_0)));
+ PDQ_PRINTF((" Host Int Enable = " PDQ_OS_PTR_FMT " [0x%08x]\n",
+ pdq->pdq_csrs.csr_host_int_enable, PDQ_CSR_READ(&pdq->pdq_csrs, csr_host_int_enable)));
+ PDQ_PRINTF((" Type 2 Producer = " PDQ_OS_PTR_FMT " [0x%08x]\n",
+ pdq->pdq_csrs.csr_type_2_producer, PDQ_CSR_READ(&pdq->pdq_csrs, csr_type_2_producer)));
+ PDQ_PRINTF((" Command Response Producer = " PDQ_OS_PTR_FMT " [0x%08x]\n",
+ pdq->pdq_csrs.csr_cmd_response_producer, PDQ_CSR_READ(&pdq->pdq_csrs, csr_cmd_response_producer)));
+ PDQ_PRINTF((" Command Request Producer = " PDQ_OS_PTR_FMT " [0x%08x]\n",
+ pdq->pdq_csrs.csr_cmd_request_producer, PDQ_CSR_READ(&pdq->pdq_csrs, csr_cmd_request_producer)));
+ PDQ_PRINTF((" Host SMT Producer = " PDQ_OS_PTR_FMT " [0x%08x]\n",
+ pdq->pdq_csrs.csr_host_smt_producer, PDQ_CSR_READ(&pdq->pdq_csrs, csr_host_smt_producer)));
+ PDQ_PRINTF((" Unsolicited Producer = " PDQ_OS_PTR_FMT " [0x%08x]\n",
+ pdq->pdq_csrs.csr_unsolicited_producer, PDQ_CSR_READ(&pdq->pdq_csrs, csr_unsolicited_producer)));
+
+ /*
+ * Initialize the command information block
+ */
+ pdq->pdq_command_info.ci_pa_bufstart = PDQ_OS_VA_TO_PA(pdq, pdq->pdq_command_info.ci_bufstart);
+ for (idx = 0; idx < sizeof(pdq->pdq_dbp->pdqdb_command_requests)/sizeof(pdq->pdq_dbp->pdqdb_command_requests[0]); idx++) {
+ pdq_txdesc_t *txd = &pdq->pdq_dbp->pdqdb_command_requests[idx];
+
+ txd->txd_pa_lo = pdq->pdq_command_info.ci_pa_bufstart;
+ txd->txd_eop = txd->txd_sop = 1;
+ txd->txd_pa_hi = 0;
+ }
+ for (idx = 0; idx < sizeof(pdq->pdq_dbp->pdqdb_command_responses)/sizeof(pdq->pdq_dbp->pdqdb_command_responses[0]); idx++) {
+ pdq_rxdesc_t *rxd = &pdq->pdq_dbp->pdqdb_command_responses[idx];
+
+ rxd->rxd_pa_lo = pdq->pdq_command_info.ci_pa_bufstart;
+ rxd->rxd_sop = 1;
+ rxd->rxd_seg_cnt = 0;
+ rxd->rxd_seg_len_lo = 0;
+ }
+
+ /*
+ * Initialize the unsolicited event information block
+ */
+ pdq->pdq_unsolicited_info.ui_free = PDQ_NUM_UNSOLICITED_EVENTS;
+ pdq->pdq_unsolicited_info.ui_pa_bufstart = PDQ_OS_VA_TO_PA(pdq, pdq->pdq_unsolicited_info.ui_events);
+ for (idx = 0; idx < sizeof(pdq->pdq_dbp->pdqdb_unsolicited_events)/sizeof(pdq->pdq_dbp->pdqdb_unsolicited_events[0]); idx++) {
+ pdq_rxdesc_t *rxd = &pdq->pdq_dbp->pdqdb_unsolicited_events[idx];
+ pdq_unsolicited_event_t *event = &pdq->pdq_unsolicited_info.ui_events[idx & (PDQ_NUM_UNSOLICITED_EVENTS-1)];
+
+ rxd->rxd_sop = 1;
+ rxd->rxd_seg_cnt = 0;
+ rxd->rxd_seg_len_hi = sizeof(pdq_unsolicited_event_t) / 16;
+ rxd->rxd_pa_lo = pdq->pdq_unsolicited_info.ui_pa_bufstart + (const pdq_uint8_t *) event
+ - (const pdq_uint8_t *) pdq->pdq_unsolicited_info.ui_events;
+ rxd->rxd_pa_hi = 0;
+ }
+ /*
+ * Initialize the receive information blocks (normal and SMT).
+ */
+ pdq->pdq_rx_info.rx_free = PDQ_RING_MASK(pdq->pdq_dbp->pdqdb_receives);
+ pdq->pdq_rx_info.rx_target = pdq->pdq_rx_info.rx_free - PDQ_RX_SEGCNT * 8;
+
+ pdq->pdq_host_smt_info.rx_free = PDQ_RING_MASK(pdq->pdq_dbp->pdqdb_host_smt);
+ pdq->pdq_host_smt_info.rx_target = pdq->pdq_host_smt_info.rx_free - PDQ_RX_SEGCNT * 3;
+
+ /*
+ * Initialize the transmit information block.
+ */
+ pdq->pdq_tx_hdr[0] = PDQ_FDDI_PH0;
+ pdq->pdq_tx_hdr[1] = PDQ_FDDI_PH1;
+ pdq->pdq_tx_hdr[2] = PDQ_FDDI_PH2;
+ pdq->pdq_tx_info.tx_free = PDQ_RING_MASK(pdq->pdq_dbp->pdqdb_transmits);
+ pdq->pdq_tx_info.tx_hdrdesc.txd_seg_len = sizeof(pdq->pdq_tx_hdr);
+ pdq->pdq_tx_info.tx_hdrdesc.txd_sop = 1;
+ pdq->pdq_tx_info.tx_hdrdesc.txd_pa_lo = PDQ_OS_VA_TO_PA(pdq, pdq->pdq_tx_hdr);
+
+ state = PDQ_PSTS_ADAPTER_STATE(PDQ_CSR_READ(&pdq->pdq_csrs, csr_port_status));
+ PDQ_PRINTF(("PDQ Adapter State = %s\n", pdq_adapter_states[state]));
+
+ /*
+ * Stop the PDQ if it is running and put it into a known state.
+ */
+ state = pdq_stop(pdq);
+
+ PDQ_PRINTF(("PDQ Adapter State = %s\n", pdq_adapter_states[state]));
+ PDQ_ASSERT(state == PDQS_DMA_AVAILABLE);
+ /*
+ * If the adapter is not the state we expect, then the initialization
+ * failed. Cleanup and exit.
+ */
+#if defined(PDQVERBOSE)
+ if (state == PDQS_HALTED) {
+ pdq_halt_code_t halt_code = PDQ_PSTS_HALT_ID(PDQ_CSR_READ(&pdq->pdq_csrs, csr_port_status));
+ printf("Halt code = %d (%s)\n", halt_code, pdq_halt_codes[halt_code]);
+ if (halt_code == PDQH_DMA_ERROR && pdq->pdq_type == PDQ_DEFPA)
+ PDQ_PRINTF(("PFI status = 0x%x, Host 0 Fatal Interrupt = 0x%x\n",
+ PDQ_CSR_READ(&pdq->pdq_pci_csrs, csr_pfi_status),
+ PDQ_CSR_READ(&pdq->pdq_csrs, csr_host_int_type_0) & PDQ_HOST_INT_FATAL_ERROR));
+ }
+#endif
+ if (state == PDQS_RESET || state == PDQS_HALTED || state == PDQS_UPGRADE)
+ goto cleanup_and_return;
+
+ PDQ_PRINTF(("PDQ Hardware Address = %02x-%02x-%02x-%02x-%02x-%02x\n",
+ pdq->pdq_hwaddr.lanaddr_bytes[0], pdq->pdq_hwaddr.lanaddr_bytes[1],
+ pdq->pdq_hwaddr.lanaddr_bytes[2], pdq->pdq_hwaddr.lanaddr_bytes[3],
+ pdq->pdq_hwaddr.lanaddr_bytes[4], pdq->pdq_hwaddr.lanaddr_bytes[5]));
+ PDQ_PRINTF(("PDQ Firmware Revision = %c%c%c%c\n",
+ pdq->pdq_fwrev.fwrev_bytes[0], pdq->pdq_fwrev.fwrev_bytes[1],
+ pdq->pdq_fwrev.fwrev_bytes[2], pdq->pdq_fwrev.fwrev_bytes[3]));
+ PDQ_PRINTF(("PDQ Chip Revision = "));
+ switch (pdq->pdq_chip_rev) {
+ case PDQ_CHIP_REV_A_B_OR_C: PDQ_PRINTF(("Rev C or below")); break;
+ case PDQ_CHIP_REV_D: PDQ_PRINTF(("Rev D")); break;
+ case PDQ_CHIP_REV_E: PDQ_PRINTF(("Rev E")); break;
+ default: PDQ_PRINTF(("Unknown Rev %d", (int) pdq->pdq_chip_rev));
+ }
+ PDQ_PRINTF(("\n"));
+
+ return pdq;
+}
diff --git a/sys/dev/pdq/pdq_ifsubr.c b/sys/dev/pdq/pdq_ifsubr.c
new file mode 100644
index 0000000..224e4e8
--- /dev/null
+++ b/sys/dev/pdq/pdq_ifsubr.c
@@ -0,0 +1,404 @@
+/*-
+ * Copyright (c) 1995, 1996 Matt Thomas <matt@3am-software.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. The name of the author may not be used to endorse or promote products
+ * derived from this software withough specific prior written permission
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * $Id: pdq_ifsubr.c,v 1.8 1996/07/31 21:38:44 thomas Exp $
+ *
+ */
+
+/*
+ * DEC PDQ FDDI Controller; code for BSD derived operating systems
+ *
+ * This module provide bus independent BSD specific O/S functions.
+ * (ie. it provides an ifnet interface to the rest of the system)
+ */
+
+
+#include <sys/param.h>
+#include <sys/kernel.h>
+#include <sys/mbuf.h>
+#include <sys/protosw.h>
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+#include <sys/errno.h>
+#include <sys/malloc.h>
+#if defined(__FreeBSD__)
+#include <sys/devconf.h>
+#elif defined(__bsdi__) || defined(__NetBSD__)
+#include <sys/device.h>
+#endif
+
+#include <net/if.h>
+#include <net/if_types.h>
+#include <net/if_dl.h>
+#include <net/route.h>
+
+#include "bpfilter.h"
+#if NBPFILTER > 0
+#include <net/bpf.h>
+#include <net/bpfdesc.h>
+#endif
+
+#ifdef INET
+#include <netinet/in.h>
+#include <netinet/in_systm.h>
+#include <netinet/in_var.h>
+#include <netinet/ip.h>
+#include <netinet/if_ether.h>
+#endif
+#if defined(__FreeBSD__)
+#include <netinet/if_fddi.h>
+#else
+#include <net/if_fddi.h>
+#endif
+
+#if defined(__bsdi__)
+#include <i386/isa/isavar.h>
+#endif
+
+#ifdef NS
+#include <netns/ns.h>
+#include <netns/ns_if.h>
+#endif
+
+#include <vm/vm.h>
+#include <vm/vm_kern.h>
+#include <vm/vm_param.h>
+
+#include "pdqvar.h"
+#include "pdqreg.h"
+
+#if defined(__bsdi__) && _BSDI_VERSION < 199506 /* XXX */
+static void
+arp_ifinit(
+ struct arpcom *ac,
+ struct ifaddr *ifa)
+{
+ sc->sc_ac.ac_ipaddr = IA_SIN(ifa)->sin_addr;
+ arpwhohas(&sc->sc_ac, &IA_SIN(ifa)->sin_addr);
+#if _BSDI_VERSION >= 199401
+ ifa->ifa_rtrequest = arp_rtrequest;
+ ifa->ifa_flags |= RTF_CLONING;
+#endif
+#endif
+
+
+void
+pdq_ifinit(
+ pdq_softc_t *sc)
+{
+ if (sc->sc_if.if_flags & IFF_UP) {
+ sc->sc_if.if_flags |= IFF_RUNNING;
+ if (sc->sc_if.if_flags & IFF_PROMISC) {
+ sc->sc_pdq->pdq_flags |= PDQ_PROMISC;
+ } else {
+ sc->sc_pdq->pdq_flags &= ~PDQ_PROMISC;
+ }
+ if (sc->sc_if.if_flags & IFF_ALLMULTI) {
+ sc->sc_pdq->pdq_flags |= PDQ_ALLMULTI;
+ } else {
+ sc->sc_pdq->pdq_flags &= ~PDQ_ALLMULTI;
+ }
+ if (sc->sc_if.if_flags & IFF_LINK1) {
+ sc->sc_pdq->pdq_flags |= PDQ_PASS_SMT;
+ } else {
+ sc->sc_pdq->pdq_flags &= ~PDQ_PASS_SMT;
+ }
+ sc->sc_pdq->pdq_flags |= PDQ_RUNNING;
+ pdq_run(sc->sc_pdq);
+ } else {
+ sc->sc_if.if_flags &= ~IFF_RUNNING;
+ sc->sc_pdq->pdq_flags &= ~PDQ_RUNNING;
+ pdq_stop(sc->sc_pdq);
+ }
+}
+
+void
+pdq_ifwatchdog(
+ struct ifnet *ifp)
+{
+ /*
+ * No progress was made on the transmit queue for PDQ_OS_TX_TRANSMIT
+ * seconds. Remove all queued packets.
+ */
+
+ ifp->if_flags &= ~IFF_OACTIVE;
+ ifp->if_timer = 0;
+ for (;;) {
+ struct mbuf *m;
+ IF_DEQUEUE(&ifp->if_snd, m);
+ if (m == NULL)
+ return;
+ m_freem(m);
+ }
+}
+
+ifnet_ret_t
+pdq_ifstart(
+ struct ifnet *ifp)
+{
+ pdq_softc_t *sc = (pdq_softc_t *) ((caddr_t) ifp - offsetof(pdq_softc_t, sc_ac.ac_if));
+ struct ifqueue *ifq = &ifp->if_snd;
+ struct mbuf *m;
+ int tx = 0;
+
+ if ((ifp->if_flags & IFF_RUNNING) == 0)
+ return;
+
+ if (sc->sc_if.if_timer == 0)
+ sc->sc_if.if_timer = PDQ_OS_TX_TIMEOUT;
+
+ if ((sc->sc_pdq->pdq_flags & PDQ_TXOK) == 0) {
+ sc->sc_if.if_flags |= IFF_OACTIVE;
+ return;
+ }
+ for (;; tx = 1) {
+ IF_DEQUEUE(ifq, m);
+ if (m == NULL)
+ break;
+
+ if (pdq_queue_transmit_data(sc->sc_pdq, m) == PDQ_FALSE) {
+ ifp->if_flags |= IFF_OACTIVE;
+ IF_PREPEND(ifq, m);
+ break;
+ }
+ }
+ if (tx)
+ PDQ_DO_TYPE2_PRODUCER(sc->sc_pdq);
+}
+
+void
+pdq_os_receive_pdu(
+ pdq_t *pdq,
+ struct mbuf *m,
+ size_t pktlen)
+{
+ pdq_softc_t *sc = (pdq_softc_t *) pdq->pdq_os_ctx;
+ struct fddi_header *fh = mtod(m, struct fddi_header *);
+
+ sc->sc_if.if_ipackets++;
+#if NBPFILTER > 0
+ if (sc->sc_bpf != NULL)
+ PDQ_BPF_MTAP(sc, m);
+ if ((fh->fddi_fc & (FDDIFC_L|FDDIFC_F)) != FDDIFC_LLC_ASYNC) {
+ m_freem(m);
+ return;
+ }
+#endif
+
+ m->m_data += sizeof(struct fddi_header);
+ m->m_len -= sizeof(struct fddi_header);
+ m->m_pkthdr.len = pktlen - sizeof(struct fddi_header);
+ m->m_pkthdr.rcvif = &sc->sc_if;
+ fddi_input(&sc->sc_if, fh, m);
+}
+
+void
+pdq_os_restart_transmitter(
+ pdq_t *pdq)
+{
+ pdq_softc_t *sc = (pdq_softc_t *) pdq->pdq_os_ctx;
+ sc->sc_if.if_flags &= ~IFF_OACTIVE;
+ if (sc->sc_if.if_snd.ifq_head != NULL) {
+ sc->sc_if.if_timer = PDQ_OS_TX_TIMEOUT;
+ pdq_ifstart(&sc->sc_if);
+ } else {
+ sc->sc_if.if_timer = 0;
+ }
+}
+
+void
+pdq_os_transmit_done(
+ pdq_t *pdq,
+ struct mbuf *m)
+{
+ pdq_softc_t *sc = (pdq_softc_t *) pdq->pdq_os_ctx;
+#if NBPFILTER > 0
+ if (sc->sc_bpf != NULL)
+ PDQ_BPF_MTAP(sc, m);
+#endif
+ m_freem(m);
+ sc->sc_if.if_opackets++;
+}
+
+void
+pdq_os_addr_fill(
+ pdq_t *pdq,
+ pdq_lanaddr_t *addr,
+ size_t num_addrs)
+{
+ pdq_softc_t *sc = (pdq_softc_t *) pdq->pdq_os_ctx;
+ struct ether_multistep step;
+ struct ether_multi *enm;
+
+ ETHER_FIRST_MULTI(step, &sc->sc_ac, enm);
+ while (enm != NULL && num_addrs > 0) {
+ ((u_short *) addr->lanaddr_bytes)[0] = ((u_short *) enm->enm_addrlo)[0];
+ ((u_short *) addr->lanaddr_bytes)[1] = ((u_short *) enm->enm_addrlo)[1];
+ ((u_short *) addr->lanaddr_bytes)[2] = ((u_short *) enm->enm_addrlo)[2];
+ ETHER_NEXT_MULTI(step, enm);
+ addr++;
+ num_addrs--;
+ }
+}
+
+int
+pdq_ifioctl(
+ struct ifnet *ifp,
+ ioctl_cmd_t cmd,
+ caddr_t data)
+{
+ pdq_softc_t *sc = (pdq_softc_t *) ((caddr_t) ifp - offsetof(pdq_softc_t, sc_ac.ac_if));
+ int s, error = 0;
+
+ s = splimp();
+
+ switch (cmd) {
+ case SIOCSIFADDR: {
+ struct ifaddr *ifa = (struct ifaddr *)data;
+
+ ifp->if_flags |= IFF_UP;
+ switch(ifa->ifa_addr->sa_family) {
+#if defined(INET)
+ case AF_INET: {
+ pdq_ifinit(sc);
+ arp_ifinit(&sc->sc_ac, ifa);
+ break;
+ }
+#endif /* INET */
+
+#if defined(NS)
+ /* This magic copied from if_is.c; I don't use XNS,
+ * so I have no way of telling if this actually
+ * works or not.
+ */
+ case AF_NS: {
+ struct ns_addr *ina = &(IA_SNS(ifa)->sns_addr);
+ if (ns_nullhost(*ina)) {
+ ina->x_host = *(union ns_host *)(sc->sc_ac.ac_enaddr);
+ } else {
+ ifp->if_flags &= ~IFF_RUNNING;
+ bcopy((caddr_t)ina->x_host.c_host,
+ (caddr_t)sc->sc_ac.ac_enaddr,
+ sizeof sc->sc_ac.ac_enaddr);
+ }
+
+ pdq_ifinit(sc);
+ break;
+ }
+#endif /* NS */
+
+ default: {
+ pdq_ifinit(sc);
+ break;
+ }
+ }
+ break;
+ }
+ case SIOCGIFADDR: {
+ struct ifreq *ifr = (struct ifreq *)data;
+ bcopy((caddr_t) sc->sc_ac.ac_enaddr,
+ (caddr_t) ((struct sockaddr *)&ifr->ifr_data)->sa_data,
+ 6);
+ break;
+ }
+
+ case SIOCSIFFLAGS: {
+ pdq_ifinit(sc);
+ break;
+ }
+
+ case SIOCADDMULTI:
+ case SIOCDELMULTI: {
+ /*
+ * Update multicast listeners
+ */
+ if (cmd == SIOCADDMULTI)
+ error = ether_addmulti((struct ifreq *)data, &sc->sc_ac);
+ else
+ error = ether_delmulti((struct ifreq *)data, &sc->sc_ac);
+
+ if (error == ENETRESET) {
+ if (sc->sc_if.if_flags & IFF_RUNNING)
+ pdq_run(sc->sc_pdq);
+ error = 0;
+ }
+ break;
+ }
+
+#if defined(SIOCSIFMTU)
+#if !defined(ifr_mtu)
+#define ifr_mtu ifr_metric
+#endif
+ case SIOCSIFMTU: {
+ struct ifreq *ifr = (struct ifreq *)data;
+ /*
+ * Set the interface MTU.
+ */
+ if (ifr->ifr_mtu > FDDIMTU) {
+ error = EINVAL;
+ break;
+ }
+ ifp->if_mtu = ifr->ifr_mtu;
+ break;
+ }
+#endif /* SIOCSIFMTU */
+
+ default: {
+ error = EINVAL;
+ break;
+ }
+ }
+
+ splx(s);
+ return error;
+}
+
+#ifndef IFF_NOTRAILERS
+#define IFF_NOTRAILERS 0
+#endif
+
+void
+pdq_ifattach(
+ pdq_softc_t *sc,
+ ifnet_ret_t (*ifwatchdog)(int unit))
+{
+ struct ifnet *ifp = &sc->sc_if;
+
+ ifp->if_flags = IFF_BROADCAST|IFF_SIMPLEX|IFF_NOTRAILERS|IFF_MULTICAST;
+
+#if (defined(__FreeBSD__) && BSD >= 199506) || defined(__NetBSD__)
+ ifp->if_watchdog = pdq_ifwatchdog;
+#else
+ ifp->if_watchdog = ifwatchdog;
+#endif
+
+ ifp->if_ioctl = pdq_ifioctl;
+ ifp->if_output = fddi_output;
+ ifp->if_start = pdq_ifstart;
+
+ if_attach(ifp);
+ fddi_ifattach(ifp);
+#if NBPFILTER > 0
+ PDQ_BPFATTACH(sc, DLT_FDDI, sizeof(struct fddi_header));
+#endif
+}
diff --git a/sys/dev/pdq/pdqreg.h b/sys/dev/pdq/pdqreg.h
new file mode 100644
index 0000000..6c4d51a
--- /dev/null
+++ b/sys/dev/pdq/pdqreg.h
@@ -0,0 +1,1065 @@
+/*-
+ * Copyright (c) 1995, 1996 Matt Thomas <matt@3am-software.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. The name of the author may not be used to endorse or promote products
+ * derived from this software withough specific prior written permission
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * $Id: pdqreg.h,v 1.9 1996/05/16 14:25:26 thomas Exp $
+ *
+ */
+
+/*
+ * DEC PDQ FDDI Controller; PDQ port driver definitions
+ *
+ */
+
+#ifndef _PDQREG_H
+#define _PDQREG_H
+
+#include <stddef.h>
+#if defined(PDQTEST) && !defined(PDQ_NDEBUG)
+#include <assert.h>
+#define PDQ_ASSERT assert
+#else
+#define PDQ_ASSERT(x) do { } while(0)
+#endif
+
+#define PDQ_RING_SIZE(array) ((sizeof(array) / sizeof(array[0])))
+#define PDQ_ARRAY_SIZE(array) ((sizeof(array) / sizeof(array[0])))
+#define PDQ_RING_MASK(array) (PDQ_RING_SIZE(array) - 1)
+#define PDQ_BITMASK(n) (1L << (pdq_uint32_t) (n))
+
+#define PDQ_FDDI_MAX 4495
+#define PDQ_FDDI_LLC_MIN 20
+#define PDQ_FDDI_SMT_MIN 37
+
+#define PDQ_FDDI_SMT 0x40
+#define PDQ_FDDI_LLC_ASYNC 0x50
+#define PDQ_FDDI_LLC_SYNC 0xD0
+#define PDQ_FDDI_IMP_ASYNC 0x60
+#define PDQ_FDDI_IMP_SYNC 0xE0
+
+#define PDQ_FDDIFC_C 0x80
+#define PDQ_FDDIFC_L 0x40
+#define PDQ_FDDIFC_F 0x30
+#define PDQ_FDDIFC_Z 0x0F
+
+#define PDQ_FDDI_PH0 0x20
+#define PDQ_FDDI_PH1 0x38
+#define PDQ_FDDI_PH2 0x00
+
+typedef pdq_uint32_t pdq_physaddr_t;
+
+struct _pdq_lanaddr_t {
+ pdq_uint8_t lanaddr_bytes[8];
+};
+
+typedef struct {
+ pdq_uint8_t fwrev_bytes[4];
+} pdq_fwrev_t;
+
+enum _pdq_state_t {
+ PDQS_RESET=0,
+ PDQS_UPGRADE=1,
+ PDQS_DMA_UNAVAILABLE=2,
+ PDQS_DMA_AVAILABLE=3,
+ PDQS_LINK_AVAILABLE=4,
+ PDQS_LINK_UNAVAILABLE=5,
+ PDQS_HALTED=6,
+ PDQS_RING_MEMBER=7
+};
+
+struct _pdq_csrs_t {
+ pdq_bus_memoffset_t csr_port_reset; /* 0x00 [RW] */
+ pdq_bus_memoffset_t csr_host_data; /* 0x04 [R] */
+ pdq_bus_memoffset_t csr_port_control; /* 0x08 [RW] */
+ pdq_bus_memoffset_t csr_port_data_a; /* 0x0C [RW] */
+ pdq_bus_memoffset_t csr_port_data_b; /* 0x10 [RW] */
+ pdq_bus_memoffset_t csr_port_status; /* 0x14 [R] */
+ pdq_bus_memoffset_t csr_host_int_type_0; /* 0x18 [RW] */
+ pdq_bus_memoffset_t csr_host_int_enable; /* 0x1C [RW] */
+ pdq_bus_memoffset_t csr_type_2_producer; /* 0x20 [RW] */
+ pdq_bus_memoffset_t csr_cmd_response_producer; /* 0x28 [RW] */
+ pdq_bus_memoffset_t csr_cmd_request_producer; /* 0x2C [RW] */
+ pdq_bus_memoffset_t csr_host_smt_producer; /* 0x30 [RW] */
+ pdq_bus_memoffset_t csr_unsolicited_producer; /* 0x34 [RW] */
+ pdq_bus_t csr_bus;
+ pdq_bus_memaddr_t csr_base;
+};
+
+struct _pdq_pci_csrs_t {
+ pdq_bus_memoffset_t csr_pfi_mode_control; /* 0x40 [RW] */
+ pdq_bus_memoffset_t csr_pfi_status; /* 0x44 [RW] */
+ pdq_bus_memoffset_t csr_fifo_write; /* 0x48 [RW] */
+ pdq_bus_memoffset_t csr_fifo_read; /* 0x4C [RW] */
+ pdq_bus_t csr_bus;
+ pdq_bus_memaddr_t csr_base;
+};
+
+#define PDQ_PFI_MODE_DMA_ENABLE 0x01 /* DMA Enable */
+#define PDQ_PFI_MODE_PFI_PCI_INTR 0x02 /* PFI-to-PCI Int Enable */
+#define PDQ_PFI_MODE_PDQ_PCI_INTR 0x04 /* PDQ-to-PCI Int Enable */
+
+#define PDQ_PFI_STATUS_PDQ_INTR 0x10 /* PDQ Int received */
+#define PDQ_PFI_STATUS_DMA_ABORT 0x08 /* PDQ DMA Abort asserted */
+
+#define PDQ_EISA_BURST_HOLDOFF 0x0040
+#define PDQ_EISA_SLOT_ID 0x0C80
+#define PDQ_EISA_SLOT_CTRL 0x0C84
+#define PDQ_EISA_MEM_ADD_CMP_0 0x0C85
+#define PDQ_EISA_MEM_ADD_CMP_1 0x0C86
+#define PDQ_EISA_MEM_ADD_CMP_2 0x0C87
+#define PDQ_EISA_MEM_ADD_HI_CMP_0 0x0C88
+#define PDQ_EISA_MEM_ADD_HI_CMP_1 0x0C89
+#define PDQ_EISA_MEM_ADD_HI_CMP_2 0x0C8A
+#define PDQ_EISA_MEM_ADD_MASK_0 0x0C8B
+#define PDQ_EISA_MEM_ADD_MASK_1 0x0C8C
+#define PDQ_EISA_MEM_ADD_MASK_2 0x0C8D
+#define PDQ_EISA_MEM_ADD_LO_CMP_0 0x0C8E
+#define PDQ_EISA_MEM_ADD_LO_CMP_1 0x0C8F
+#define PDQ_EISA_MEM_ADD_LO_CMP_2 0x0C90
+#define PDQ_EISA_IO_CMP_0_0 0x0C91
+#define PDQ_EISA_IO_CMP_0_1 0x0C92
+#define PDQ_EISA_IO_CMP_1_0 0x0C93
+#define PDQ_EISA_IO_CMP_1_1 0x0C94
+#define PDQ_EISA_IO_CMP_2_0 0x0C95
+#define PDQ_EISA_IO_CMP_2_1 0x0C96
+#define PDQ_EISA_IO_CMP_3_0 0x0C97
+#define PDQ_EISA_IO_CMP_3_1 0x0C98
+#define PDQ_EISA_IO_ADD_MASK_0_0 0x0C99
+#define PDQ_EISA_IO_ADD_MASK_0_1 0x0C9A
+#define PDQ_EISA_IO_ADD_MASK_1_0 0x0C9B
+#define PDQ_EISA_IO_ADD_MASK_1_1 0x0C9C
+#define PDQ_EISA_IO_ADD_MASK_2_0 0x0C9D
+#define PDQ_EISA_IO_ADD_MASK_2_1 0x0C9E
+#define PDQ_EISA_IO_ADD_MASK_3_0 0x0C9F
+#define PDQ_EISA_IO_ADD_MASK_3_1 0x0CA0
+#define PDQ_EISA_MOD_CONFIG_1 0x0CA1
+#define PDQ_EISA_MOD_CONFIG_2 0x0CA2
+#define PDQ_EISA_MOD_CONFIG_3 0x0CA3
+#define PDQ_EISA_MOD_CONFIG_4 0x0CA4
+#define PDQ_EISA_MOD_CONFIG_5 0x0CA5
+#define PDQ_EISA_MOD_CONFIG_6 0x0CA6
+#define PDQ_EISA_MOD_CONFIG_7 0x0CA7
+#define PDQ_EISA_DIP_SWITCH 0x0CA8
+#define PDQ_EISA_IO_CONFIG_STAT_0 0x0CA9
+#define PDQ_EISA_IO_CONFIG_STAT_1 0x0CAA
+#define PDQ_EISA_DMA_CONFIG 0x0CAB
+#define PDQ_EISA_INPUT_PORT 0x0CAC
+#define PDQ_EISA_OUTPUT_PORT 0x0CAD
+#define PDQ_EISA_FUNCTION_CTRL 0x0CAE
+
+#define PDQ_TC_CSR_OFFSET 0x00100000
+#define PDQ_TC_CSR_SPACE 0x0040
+#define PDQ_FBUS_CSR_OFFSET 0x00200000
+#define PDQ_FBUS_CSR_SPACE 0x0080
+
+/*
+ * Port Reset Data A Definitions
+ */
+#define PDQ_PRESET_SKIP_SELFTEST 0x0004
+#define PDQ_PRESET_SOFT_RESET 0x0002
+#define PDQ_PRESET_UPGRADE 0x0001
+/*
+ * Port Control Register Definitions
+ */
+#define PDQ_PCTL_CMD_ERROR 0x8000
+#define PDQ_PCTL_FLASH_BLAST 0x4000
+#define PDQ_PCTL_HALT 0x2000
+#define PDQ_PCTL_COPY_DATA 0x1000
+#define PDQ_PCTL_ERROR_LOG_START 0x0800
+#define PDQ_PCTL_ERROR_LOG_READ 0x0400
+#define PDQ_PCTL_XMT_DATA_FLUSH_DONE 0x0200
+#define PDQ_PCTL_DMA_INIT 0x0100
+#define PDQ_DMA_INIT_LW_BSWAP_DATA 0x02
+#define PDQ_DMA_INIT_LW_BSWAP_LITERAL 0x01
+#define PDQ_PCTL_INIT_START 0x0080
+#define PDQ_PCTL_CONSUMER_BLOCK 0x0040
+#define PDQ_PCTL_DMA_UNINIT 0x0020
+#define PDQ_PCTL_RING_MEMBER 0x0010
+#define PDQ_PCTL_MLA_READ 0x0008
+#define PDQ_PCTL_FW_REV_READ 0x0004
+#define PDQ_PCTL_DEVICE_SPECIFIC 0x0002
+#define PDQ_PCTL_SUB_CMD 0x0001
+
+typedef enum {
+ PDQ_SUB_CMD_LINK_UNINIT=1,
+ PDQ_SUB_CMD_DMA_BURST_SIZE_SET=2,
+ PDQ_SUB_CMD_PDQ_REV_GET=4
+} pdq_sub_cmd_t;
+
+typedef enum {
+ PDQ_DMA_BURST_4LW=0,
+ PDQ_DMA_BURST_8LW=1,
+ PDQ_DMA_BURST_16LW=2,
+ PDQ_DMA_BURST_32LW=3
+} pdq_dma_burst_size_t;
+
+typedef enum {
+ PDQ_CHIP_REV_A_B_OR_C=0,
+ PDQ_CHIP_REV_D=2,
+ PDQ_CHIP_REV_E=4
+} pdq_chip_rev_t;
+/*
+ * Port Status Register Definitions
+ */
+#define PDQ_PSTS_RCV_DATA_PENDING 0x80000000ul
+#define PDQ_PSTS_XMT_DATA_PENDING 0x40000000ul
+#define PDQ_PSTS_HOST_SMT_PENDING 0x20000000ul
+#define PDQ_PSTS_UNSOL_PENDING 0x10000000ul
+#define PDQ_PSTS_CMD_RSP_PENDING 0x08000000ul
+#define PDQ_PSTS_CMD_REQ_PENDING 0x04000000ul
+#define PDQ_PSTS_TYPE_0_PENDING 0x02000000ul
+#define PDQ_PSTS_INTR_PENDING 0xFE000000ul
+#define PDQ_PSTS_ADAPTER_STATE(sts) ((pdq_state_t) (((sts) >> 8) & 0x07))
+#define PDQ_PSTS_HALT_ID(sts) ((pdq_halt_code_t) ((sts) & 0xFF))
+/*
+ * Host Interrupt Register Definitions
+ */
+#define PDQ_HOST_INT_TX_ENABLE 0x80000000ul
+#define PDQ_HOST_INT_RX_ENABLE 0x40000000ul
+#define PDQ_HOST_INT_UNSOL_ENABLE 0x20000000ul
+#define PDQ_HOST_INT_HOST_SMT_ENABLE 0x10000000ul
+#define PDQ_HOST_INT_CMD_RSP_ENABLE 0x08000000ul
+#define PDQ_HOST_INT_CMD_RQST_ENABLE 0x04000000ul
+
+#define PDQ_HOST_INT_1MS 0x80
+#define PDQ_HOST_INT_20MS 0x40
+#define PDQ_HOST_INT_CSR_CMD_DONE 0x20
+#define PDQ_HOST_INT_STATE_CHANGE 0x10
+#define PDQ_HOST_INT_XMT_DATA_FLUSH 0x08
+#define PDQ_HOST_INT_NXM 0x04
+#define PDQ_HOST_INT_PM_PARITY_ERROR 0x02
+#define PDQ_HOST_INT_HOST_BUS_PARITY_ERROR 0x01
+#define PDQ_HOST_INT_FATAL_ERROR 0x07
+
+typedef enum {
+ PDQH_SELFTEST_TIMEOUT=0,
+ PDQH_HOST_BUS_PARITY_ERROR=1,
+ PDQH_HOST_DIRECTED_HALT=2,
+ PDQH_SOFTWARE_FAULT=3,
+ PDQH_HARDWARE_FAULT=4,
+ PDQH_PC_TRACE_PATH_TEST=5,
+ PDQH_DMA_ERROR=6,
+ PDQH_IMAGE_CRC_ERROR=7,
+ PDQH_ADAPTER_PROCESSOR_ERROR=8,
+ PDQH_MAX=9
+} pdq_halt_code_t;
+
+typedef struct {
+ pdq_uint16_t pdqcb_receives;
+ pdq_uint16_t pdqcb_transmits;
+ pdq_uint32_t pdqcb__filler1;
+ pdq_uint32_t pdqcb_host_smt;
+ pdq_uint32_t pdqcb__filler2;
+ pdq_uint32_t pdqcb_unsolicited_event;
+ pdq_uint32_t pdqcb__filler3;
+ pdq_uint32_t pdqcb_command_response;
+ pdq_uint32_t pdqcb__filler4;
+ pdq_uint32_t pdqcb_command_request;
+ pdq_uint32_t pdqcb__filler5[7];
+} pdq_consumer_block_t;
+
+#if defined(BYTE_ORDER) && BYTE_ORDER == BIG_ENDIAN
+#define PDQ_BITFIELD2(a, b) b, a
+#define PDQ_BITFIELD3(a, b, c) c, b, a
+#define PDQ_BITFIELD4(a, b, c, d) d, c, b, a
+#define PDQ_BITFIELD5(a, b, c, d, e) e, d, c, b, a
+#define PDQ_BITFIELD12(a, b, c, d, e, f, g, h, i, j, k, l) \
+ l, k, j, i, h, g, f, e, d, c, b, a
+#else
+#define PDQ_BITFIELD2(a, b) a, b
+#define PDQ_BITFIELD3(a, b, c) a, b, c
+#define PDQ_BITFIELD4(a, b, c, d) a, b, c, d
+#define PDQ_BITFIELD5(a, b, c, d, e) a, b, c, d, e
+#define PDQ_BITFIELD12(a, b, c, d, e, f, g, h, i, j, k, l) \
+ a, b, c, d, e, f, g, h, i, j, k, l
+#endif
+
+typedef struct {
+ pdq_uint32_t PDQ_BITFIELD5(rxd_pa_hi : 16,
+ rxd_seg_cnt : 4,
+ rxd_seg_len_hi : 9,
+ rxd_seg_len_lo : 2,
+ rxd_sop : 1);
+ pdq_uint32_t rxd_pa_lo;
+} pdq_rxdesc_t;
+
+typedef union {
+ pdq_uint32_t rxs_status;
+ pdq_uint32_t PDQ_BITFIELD12(rxs_len : 13,
+ rxs_rcc_ss : 2,
+ rxs_rcc_dd : 2,
+ rxs_rcc_reason : 3,
+ rxs_rcc_badcrc : 1,
+ rxs_rcc_badpdu : 1,
+ rxs_fsb__reserved : 2,
+ rxs_fsb_c : 1,
+ rxs_fsb_a : 1,
+ rxs_fsb_e : 1,
+ rxs_fsc : 3,
+ rxs__reserved : 2);
+} pdq_rxstatus_t;
+
+typedef struct {
+ pdq_uint32_t PDQ_BITFIELD5(txd_pa_hi : 16,
+ txd_seg_len : 13,
+ txd_mbz : 1,
+ txd_eop : 1,
+ txd_sop : 1);
+ pdq_uint32_t txd_pa_lo;
+} pdq_txdesc_t;
+
+typedef struct {
+ pdq_rxdesc_t pdqdb_receives[256]; /* 2048; 0x0000..0x07FF */
+ pdq_txdesc_t pdqdb_transmits[256]; /* 2048; 0x0800..0x0FFF */
+ pdq_rxdesc_t pdqdb_host_smt[64]; /* 512; 0x1000..0x11FF */
+ pdq_rxdesc_t pdqdb_unsolicited_events[16]; /* 128; 0x1200..0x127F */
+ pdq_rxdesc_t pdqdb_command_responses[16]; /* 128; 0x1280..0x12FF */
+ pdq_txdesc_t pdqdb_command_requests[16]; /* 128; 0x1300..0x137F */
+ /*
+ * The rest of the descriptor block is unused.
+ * As such we could use it for other things.
+ */
+ pdq_consumer_block_t pdqdb_consumer; /* 64; 0x1380..0x13BF */
+ void *pdqdb_receive_buffers[256]; /* 1024/2048; 0x13C0..0x17BF 0x13C0..0x1BBF */
+ void *pdqdb_host_smt_buffers[64]; /* 256/ 512; 0x17C0..0x18BF 0x1BC0..0x1DBF */
+ /*
+ * The maximum command size is 512 so as long as thes
+ * command is at least that long all will be fine.
+ */
+#if defined(__alpha) || defined(__alpha__)
+ pdq_uint32_t pdqdb_command_pool[144];
+#else
+ pdq_uint32_t pdqdb_command_pool[464];
+#endif
+} pdq_descriptor_block_t;
+
+typedef struct {
+ /*
+ * These value manage the available space in command/response
+ * buffer area.
+ */
+ pdq_physaddr_t ci_pa_bufstart;
+ pdq_uint8_t *ci_bufstart;
+ /*
+ * Bitmask of commands to sent to the PDQ
+ */
+ pdq_uint32_t ci_pending_commands;
+ /*
+ * Variables to maintain the PDQ queues.
+ */
+ pdq_uint32_t ci_command_active;
+ pdq_uint32_t ci_request_producer;
+ pdq_uint32_t ci_response_producer;
+ pdq_uint32_t ci_request_completion;
+ pdq_uint32_t ci_response_completion;
+} pdq_command_info_t;
+
+#define PDQ_SIZE_UNSOLICITED_EVENT 512
+#define PDQ_NUM_UNSOLICITED_EVENTS (PDQ_OS_PAGESIZE / PDQ_SIZE_UNSOLICITED_EVENT)
+
+typedef struct _pdq_unsolicited_event_t pdq_unsolicited_event_t;
+
+typedef struct {
+ pdq_physaddr_t ui_pa_bufstart;
+ pdq_unsolicited_event_t *ui_events;
+
+ pdq_uint32_t ui_free;
+ pdq_uint32_t ui_producer;
+ pdq_uint32_t ui_completion;
+} pdq_unsolicited_info_t;
+
+#define PDQ_RX_FC_OFFSET (sizeof(pdq_rxstatus_t) + 3)
+#define PDQ_RX_SEGCNT ((PDQ_FDDI_MAX + PDQ_OS_DATABUF_SIZE - 1) / PDQ_OS_DATABUF_SIZE)
+#define PDQ_DO_TYPE2_PRODUCER(pdq) \
+ PDQ_CSR_WRITE(&(pdq)->pdq_csrs, csr_type_2_producer, \
+ ((pdq)->pdq_rx_info.rx_producer << 0) \
+ | ((pdq)->pdq_tx_info.tx_producer << 8) \
+ | ((pdq)->pdq_rx_info.rx_completion << 16) \
+ | ((pdq)->pdq_tx_info.tx_completion << 24))
+
+#define PDQ_DO_HOST_SMT_PRODUCER(pdq) \
+ PDQ_CSR_WRITE(&(pdq)->pdq_csrs, csr_host_smt_producer, \
+ ((pdq)->pdq_host_smt_info.rx_producer << 0) \
+ | ((pdq)->pdq_host_smt_info.rx_completion << 8))\
+
+#define PDQ_ADVANCE(n, a, m) ((n) = ((n) + (a)) & (m))
+
+typedef struct {
+ void *q_head;
+ void *q_tail;
+} pdq_databuf_queue_t;
+
+typedef struct {
+ void *rx_buffers;
+
+ pdq_uint32_t rx_target;
+ pdq_uint32_t rx_free;
+ pdq_uint32_t rx_producer;
+ pdq_uint32_t rx_completion;
+} pdq_rx_info_t;
+
+typedef struct {
+ pdq_databuf_queue_t tx_txq;
+ pdq_txdesc_t tx_hdrdesc;
+ pdq_uint8_t tx_descriptor_count[256];
+
+ pdq_uint32_t tx_free;
+ pdq_uint32_t tx_producer;
+ pdq_uint32_t tx_completion;
+} pdq_tx_info_t;
+
+struct _pdq_t {
+ pdq_csrs_t pdq_csrs;
+ pdq_pci_csrs_t pdq_pci_csrs;
+ pdq_type_t pdq_type;
+ pdq_chip_rev_t pdq_chip_rev;
+ pdq_lanaddr_t pdq_hwaddr;
+ pdq_fwrev_t pdq_fwrev;
+ pdq_descriptor_block_t *pdq_dbp;
+ volatile pdq_consumer_block_t *pdq_cbp;
+ pdq_uint32_t pdq_flags;
+#define PDQ_PROMISC 0x0001
+#define PDQ_ALLMULTI 0x0002
+#define PDQ_PASS_SMT 0x0004
+#define PDQ_RUNNING 0x0008
+#define PDQ_PRINTCHARS 0x0010
+#define PDQ_TXOK 0x0020
+ const char *pdq_os_name;
+ void *pdq_os_ctx;
+ pdq_uint32_t pdq_unit;
+ pdq_command_info_t pdq_command_info;
+ pdq_unsolicited_info_t pdq_unsolicited_info;
+ pdq_tx_info_t pdq_tx_info;
+ pdq_rx_info_t pdq_rx_info;
+ pdq_rx_info_t pdq_host_smt_info;
+ pdq_uint8_t pdq_tx_hdr[3];
+};
+
+typedef enum {
+ PDQC_START=0,
+ PDQC_FILTER_SET=1,
+ PDQC_FILTER_GET=2,
+ PDQC_CHARS_SET=3,
+ PDQC_STATUS_CHARS_GET=4,
+ PDQC_COUNTERS_GET=5,
+ PDQC_COUNTERS_SET=6,
+ PDQC_ADDR_FILTER_SET=7,
+ PDQC_ADDR_FILTER_GET=8,
+ PDQC_ERROR_LOG_CLEAR=9,
+ PDQC_ERROR_LOG_GET=10,
+ PDQC_FDDI_MIB_GET=11,
+ PDQC_DEC_EXT_MIB_GET=12,
+ PDQC_DEV_SPECIFIC_GET=13,
+ PDQC_SNMP_SET=14,
+ PDQC_SMT_MIB_GET=16,
+ PDQC_SMT_MIB_SET=17
+} pdq_cmd_code_t;
+
+typedef enum {
+ PDQR_SUCCESS=0,
+ PDQR_FAILURE=1,
+ PDQR_WARNING=2,
+ PDQR_LOOP_MODE_BAD=3,
+ PDQR_ITEM_CODE_BAD=4,
+ PDQR_TVX_BAD=5,
+ PDQR_TREQ_BAD=6,
+ PDQR_RESTRICTED_TOKEN_BAD=7,
+ PDQR_NO_EOL=12,
+ PDQR_FILTER_STATE_BAD=13,
+ PDQR_CMD_TYPE_BAD=14,
+ PDQR_ADAPTER_STATE_BAD=15,
+ PDQR_RING_PURGER_BAD=16,
+ PDQR_LEM_THRESHOLD_BAD=17,
+ PDQR_LOOP_NOT_SUPPORTED=18,
+ PDQR_FLUSH_TIME_BAD=19,
+ PDQR_NOT_YET_IMPLEMENTED=20,
+ PDQR_CONFIG_POLICY_BAD=21,
+ PDQR_STATION_ACTION_BAD=22,
+ PDQR_MAC_ACTION_BAD=23,
+ PDQR_CON_POLICIES_BAD=24,
+ PDQR_MAC_LOOP_TIME_BAD=25,
+ PDQR_TB_MAX_BAD=26,
+ PDQR_LER_CUTOFF_BAD=27,
+ PDQR_LER_ALARM_BAD=28,
+ PDQR_MAC_PATHS_REQ_BAD=29,
+ PDQR_MAC_T_REQ_BAD=30,
+ PDQR_EMAC_RING_PURGER_BAD=31,
+ PDQR_EMAC_RTOKEN_TIMOUT_AD=32,
+ PDQR_NO_SUCH_ENTRY=33,
+ PDQR_T_NOTIFY_BAD=34,
+ PDQR_TR_MAX_EXP_BAD=35,
+ PDQR_FRAME_ERR_THRESHOLD_BAD=36,
+ PDQR_MAX_TREQ_BAD=37,
+ PDQR_FULL_DUPLEX_ENABLE_BAD=38,
+ PDQR_ITEM_INDEX_BAD=39
+} pdq_response_code_t;
+
+typedef enum {
+ PDQI_EOL=0,
+ PDQI_T_REQ=1,
+ PDQI_TVX=2,
+ PDQI_RESTRICTED_TOKEN=3,
+ PDQI_LEM_THRESHOLD=4,
+ PDQI_RING_PURGER=5,
+ PDQI_COUNTER_INTERVAL=6,
+ PDQI_IND_GROUP_PROM=7,
+ PDQI_GROUP_PROM=8,
+ PDQI_BROADCAST=9,
+ PDQI_SMT_PROM=10,
+ PDQI_SMT_USER=11,
+ PDQI_RESERVED=12,
+ PDQI_IMPLEMENTOR=13,
+ PDQI_LOOPBACK_MODE=14,
+ PDQI_SMT_CONFIG_POLICY=16,
+ PDQI_SMT_CONNECTION_POLICY=17,
+ PDQI_SMT_T_NOTIFY=18,
+ PDQI_SMT_STATION_ACTION=19,
+ PDQI_MAC_PATHS_REQUESTED=21,
+ PDQI_MAC_ACTION=23,
+ PDQI_PORT_CONNECTION_POLICIES=24,
+ PDQI_PORT_PATHS_REQUESTED=25,
+ PDQI_PORT_MAC_LOOP_TIME=26,
+ PDQI_PORT_TB_MAX=27,
+ PDQI_PORT_LER_CUTOFF=28,
+ PDQI_PORT_LER_ALARM=29,
+ PDQI_PORT_ACTION=30,
+ PDQI_FLUSH_TIME=32,
+ PDQI_SMT_USER_DATA=33,
+ PDQI_SMT_STATUS_REPORT_POLICY=34,
+ PDQI_SMT_TRACE_MAX_EXPIRATION=35,
+ PDQI_MAC_FRAME_ERR_THRESHOLD=36,
+ PDQI_MAC_UNIT_DATA_ENABLE=37,
+ PDQI_PATH_TVX_LOWER_BOUND=38,
+ PDQI_PATH_TMAX_LOWER_BOUND=39,
+ PDQI_PATH_MAX_TREQ=40,
+ PDQI_MAC_TREQ=41,
+ PDQI_EMAC_RING_PURGER=42,
+ PDQI_EMAC_RTOKEN_TIMEOUT=43,
+ PDQI_FULL_DUPLEX_ENABLE=44
+} pdq_item_code_t;
+
+enum _pdq_boolean_t {
+ PDQ_FALSE=0,
+ PDQ_TRUE=1
+};
+
+typedef enum {
+ PDQ_FILTER_BLOCK=0,
+ PDQ_FILTER_PASS=1
+} pdq_filter_state_t;
+
+typedef enum {
+ PDQ_STATION_TYPE_SAS=0,
+ PDQ_STATION_TYPE_DAC=1,
+ PDQ_STATION_TYPE_SAC=2,
+ PDQ_STATION_TYPE_NAC=3,
+ PDQ_STATION_TYPE_DAS=4
+} pdq_station_type_t;
+
+typedef enum {
+ PDQ_STATION_STATE_OFF=0,
+ PDQ_STATION_STATE_ON=1,
+ PDQ_STATION_STATE_LOOPBACK=2
+} pdq_station_state_t;
+
+typedef enum {
+ PDQ_LINK_STATE_OFF_READY=1,
+ PDQ_LINK_STATE_OFF_FAULT_RECOVERY=2,
+ PDQ_LINK_STATE_ON_RING_INIT=3,
+ PDQ_LINK_STATE_ON_RING_RUN=4,
+ PDQ_LINK_STATE_BROKEN=5
+} pdq_link_state_t;
+
+typedef enum {
+ PDQ_DA_TEST_STATE_UNKNOWN=0,
+ PDQ_DA_TEST_STATE_SUCCESS=1,
+ PDQ_DA_TEST_STATE_DUPLICATE=2
+} pdq_da_test_state_t;
+
+typedef enum {
+ PDQ_RING_PURGER_STATE_OFF=0,
+ PDQ_RING_PURGER_STATE_CANDIDATE=1,
+ PDQ_RING_PURGER_STATE_NON_PURGER=2,
+ PDQ_RING_PURGER_STATE_PURGER=3
+} pdq_ring_purger_state_t;
+
+typedef enum {
+ PDQ_FRAME_STRING_MODE_SA_MATCH=0,
+ PDQ_FRAME_STRING_MODE_FCI_STRIP=1
+} pdq_frame_strip_mode_t;
+
+typedef enum {
+ PDQ_RING_ERROR_REASON_NO_ERROR=0,
+ PDQ_RING_ERROR_REASON_RING_INIT_INITIATED=5,
+ PDQ_RING_ERROR_REASON_RING_INIT_RECEIVED=6,
+ PDQ_RING_ERROR_REASON_RING_BEACONING_INITIATED=7,
+ PDQ_RING_ERROR_REASON_DUPLICATE_ADDRESS_DETECTED=8,
+ PDQ_RING_ERROR_REASON_DUPLICATE_TOKEN_DETECTED=9,
+ PDQ_RING_ERROR_REASON_RING_PURGER_ERROR=10,
+ PDQ_RING_ERROR_REASON_FCI_STRIP_ERROR=11,
+ PDQ_RING_ERROR_REASON_RING_OP_OSCILLATION=12,
+ PDQ_RING_ERROR_REASON_DIRECTED_BEACON_RECEVIED=13,
+ PDQ_RING_ERROR_REASON_PC_TRACE_INITIATED=14,
+ PDQ_RING_ERROR_REASON_PC_TRACE_RECEVIED=15
+} pdq_ring_error_reason_t;
+
+typedef enum {
+ PDQ_STATION_MODE_NORMAL=0,
+ PDQ_STATION_MODE_INTERNAL_LOOPBACK=1
+} pdq_station_mode_t;
+
+typedef enum {
+ PDQ_PHY_TYPE_A=0,
+ PDQ_PHY_TYPE_B=1,
+ PDQ_PHY_TYPE_S=2,
+ PDQ_PHY_TYPE_M=3,
+ PDQ_PHY_TYPE_UNKNOWN=4
+} pdq_phy_type_t;
+
+typedef enum {
+ PDQ_PMD_TYPE_ANSI_MUTLI_MODE=0,
+ PDQ_PMD_TYPE_ANSI_SINGLE_MODE_TYPE_1=1,
+ PDQ_PMD_TYPE_ANSI_SIGNLE_MODE_TYPE_2=2,
+ PDQ_PMD_TYPE_ANSI_SONET=3,
+ PDQ_PMD_TYPE_LOW_POWER=100,
+ PDQ_PMD_TYPE_THINWIRE=101,
+ PDQ_PMD_TYPE_SHIELDED_TWISTED_PAIR=102,
+ PDQ_PMD_TYPE_UNSHIELDED_TWISTED_PAIR=103
+} pdq_pmd_type_t;
+
+typedef enum {
+ PDQ_PMD_CLASS_ANSI_MULTI_MODE=0,
+ PDQ_PMD_CLASS_SINGLE_MODE_TYPE_1=1,
+ PDQ_PMD_CLASS_SINGLE_MODE_TYPE_2=2,
+ PDQ_PMD_CLASS_SONET=3,
+ PDQ_PMD_CLASS_LOW_COST_POWER_FIBER=4,
+ PDQ_PMD_CLASS_TWISTED_PAIR=5,
+ PDQ_PMD_CLASS_UNKNOWN=6,
+ PDQ_PMD_CLASS_UNSPECIFIED=7
+} pdq_pmd_class_t;
+
+typedef enum {
+ PDQ_PHY_STATE_INTERNAL_LOOPBACK=0,
+ PDQ_PHY_STATE_BROKEN=1,
+ PDQ_PHY_STATE_OFF_READY=2,
+ PDQ_PHY_STATE_WAITING=3,
+ PDQ_PHY_STATE_STARTING=4,
+ PDQ_PHY_STATE_FAILED=5,
+ PDQ_PHY_STATE_WATCH=6,
+ PDQ_PHY_STATE_INUSE=7
+} pdq_phy_state_t;
+
+typedef enum {
+ PDQ_REJECT_REASON_NONE=0,
+ PDQ_REJECT_REASON_LOCAL_LCT=1,
+ PDQ_REJECT_REASON_REMOTE_LCT=2,
+ PDQ_REJECT_REASON_LCT_BOTH_SIDES=3,
+ PDQ_REJECT_REASON_LEM_REJECT=4,
+ PDQ_REJECT_REASON_TOPOLOGY_ERROR=5,
+ PDQ_REJECT_REASON_NOISE_REJECT=6,
+ PDQ_REJECT_REASON_REMOTE_REJECT=7,
+ PDQ_REJECT_REASON_TRACE_IN_PROGRESS=8,
+ PDQ_REJECT_REASON_TRACE_RECEIVED_DISABLED=9,
+ PDQ_REJECT_REASON_STANDBY=10,
+ PDQ_REJECT_REASON_LCT_PROTOCOL_ERROR=11
+} pdq_reject_reason_t;
+
+typedef enum {
+ PDQ_BROKEN_REASON_NONE=0
+} pdq_broken_reason_t;
+
+typedef enum {
+ PDQ_RI_REASON_TVX_EXPIRED=0,
+ PDQ_RI_REASON_TRT_EXPIRED=1,
+ PDQ_RI_REASON_RING_PURGER_ELECTION_ATTEMPT_LIMIT_EXCEEDED=2,
+ PDQ_RI_REASON_PURGE_ERROR_LIMIT_EXCEEDED=3,
+ PDQ_RI_REASON_RESTRICTED_TOKEN_TIMEOUT=4
+} pdq_ri_reason_t;
+
+typedef enum {
+ PDQ_LCT_DIRECTION_LOCAL_LCT=0,
+ PDQ_LCT_DIRECTION_REMOTE_LCT=1,
+ PDQ_LCT_DIRECTION_LCT_BOTH_SIDES=2
+} pdq_lct_direction_t;
+
+typedef enum {
+ PDQ_PORT_A=0,
+ PDQ_PORT_B=1
+} pdq_port_type_t;
+
+typedef struct {
+ pdq_uint8_t station_id_bytes[8];
+} pdq_station_id_t;
+
+typedef pdq_uint32_t pdq_fdditimer_t;
+/*
+ * Command format for Start, Filter_Get, ... commands
+ */
+typedef struct {
+ pdq_cmd_code_t generic_op;
+} pdq_cmd_generic_t;
+
+/*
+ * Response format for Start, Filter_Set, ... commands
+ */
+typedef struct {
+ pdq_uint32_t generic_reserved;
+ pdq_cmd_code_t generic_op;
+ pdq_response_code_t generic_status;
+} pdq_response_generic_t;
+
+/*
+ * Command format for Filter_Set command
+ */
+typedef struct {
+ pdq_cmd_code_t filter_set_op;
+ struct {
+ pdq_item_code_t item_code;
+ pdq_filter_state_t filter_state;
+ } filter_set_items[7];
+ pdq_item_code_t filter_set_eol_item_code;
+} pdq_cmd_filter_set_t;
+
+/*
+ * Response format for Filter_Get command.
+ */
+typedef struct {
+ pdq_uint32_t filter_get_reserved;
+ pdq_cmd_code_t filter_get_op;
+ pdq_response_code_t filter_get_status;
+ pdq_filter_state_t filter_get_ind_group_prom;
+ pdq_filter_state_t filter_get_group_prom;
+ pdq_filter_state_t filter_get_broadcast_all;
+ pdq_filter_state_t filter_get_smt_prom;
+ pdq_filter_state_t filter_get_smt_user;
+ pdq_filter_state_t filter_get_reserved_all;
+ pdq_filter_state_t filter_get_implementor_all;
+} pdq_response_filter_get_t;
+
+#define PDQ_SIZE_RESPONSE_FILTER_GET 0x28
+
+typedef struct {
+ pdq_cmd_code_t chars_set_op;
+ struct {
+ pdq_item_code_t item_code;
+ pdq_uint32_t item_value;
+ pdq_port_type_t item_port;
+ } chars_set_items[1];
+ pdq_item_code_t chars_set_eol_item_code;
+} pdq_cmd_chars_set_t;
+
+typedef struct {
+ pdq_cmd_code_t addr_filter_set_op;
+ pdq_lanaddr_t addr_filter_set_addresses[62];
+} pdq_cmd_addr_filter_set_t;
+
+#define PDQ_SIZE_CMD_ADDR_FILTER_SET 0x1F4
+
+typedef struct {
+ pdq_uint32_t addr_filter_get_reserved;
+ pdq_cmd_code_t addr_filter_get_op;
+ pdq_response_code_t addr_filter_get_status;
+ pdq_lanaddr_t addr_filter_get_addresses[62];
+} pdq_response_addr_filter_get_t;
+
+#define PDQ_SIZE_RESPONSE_ADDR_FILTER_GET 0x1FC
+
+typedef struct {
+ pdq_uint32_t status_chars_get_reserved;
+ pdq_cmd_code_t status_chars_get_op;
+ pdq_response_code_t status_chars_get_status;
+ struct {
+ /* Station Characteristic Attributes */
+ pdq_station_id_t station_id;
+ pdq_station_type_t station_type;
+ pdq_uint32_t smt_version_id;
+ pdq_uint32_t smt_max_version_id;
+ pdq_uint32_t smt_min_version_id;
+ /* Station Status Attributes */
+ pdq_station_state_t station_state;
+ /* Link Characteristic Attributes */
+ pdq_lanaddr_t link_address;
+ pdq_fdditimer_t t_req;
+ pdq_fdditimer_t tvx;
+ pdq_fdditimer_t restricted_token_timeout;
+ pdq_boolean_t ring_purger_enable;
+ pdq_link_state_t link_state;
+ pdq_fdditimer_t negotiated_trt;
+ pdq_da_test_state_t dup_addr_flag;
+ /* Link Status Attributes */
+ pdq_lanaddr_t upstream_neighbor;
+ pdq_lanaddr_t old_upstream_neighbor;
+ pdq_boolean_t upstream_neighbor_dup_addr_flag;
+ pdq_lanaddr_t downstream_neighbor;
+ pdq_lanaddr_t old_downstream_neighbor;
+ pdq_ring_purger_state_t ring_purger_state;
+ pdq_frame_strip_mode_t frame_strip_mode;
+ pdq_ring_error_reason_t ring_error_reason;
+ pdq_boolean_t loopback;
+ pdq_fdditimer_t ring_latency;
+ pdq_lanaddr_t last_dir_beacon_sa;
+ pdq_lanaddr_t last_dir_beacon_una;
+ /* Phy Characteristic Attributes */
+ pdq_phy_type_t phy_type[2];
+ pdq_pmd_type_t pmd_type[2];
+ pdq_uint32_t lem_threshold[2];
+ /* Phy Status Attributes */
+ pdq_phy_state_t phy_state[2];
+ pdq_phy_type_t neighbor_phy_type[2];
+ pdq_uint32_t link_error_estimate[2];
+ pdq_broken_reason_t broken_reason[2];
+ pdq_reject_reason_t reject_reason[2];
+ /* Miscellaneous */
+ pdq_uint32_t counter_interval;
+ pdq_fwrev_t module_rev;
+ pdq_fwrev_t firmware_rev;
+ pdq_uint32_t mop_device_type;
+ pdq_uint32_t fddi_led[2];
+ pdq_uint32_t flush;
+ } status_chars_get;
+} pdq_response_status_chars_get_t;
+
+#define PDQ_SIZE_RESPONSE_STATUS_CHARS_GET 0xF0
+
+typedef struct {
+ pdq_uint32_t fddi_mib_get_reserved;
+ pdq_cmd_code_t fddi_mib_get_op;
+ pdq_response_code_t fddi_mib_get_status;
+ struct {
+ /* SMT Objects */
+ pdq_station_id_t smt_station_id;
+ pdq_uint32_t smt_op_version_id;
+ pdq_uint32_t smt_hi_version_id;
+ pdq_uint32_t smt_lo_version_id;
+ pdq_uint32_t smt_mac_ct;
+ pdq_uint32_t smt_non_master_ct;
+ pdq_uint32_t smt_master_ct;
+ pdq_uint32_t smt_paths_available;
+ pdq_uint32_t smt_config_capabilities;
+ pdq_uint32_t smt_config_policy;
+ pdq_uint32_t smt_connection_policy;
+ pdq_uint32_t smt_t_notify;
+ pdq_uint32_t smt_status_reporting;
+ pdq_uint32_t smt_ecm_state;
+ pdq_uint32_t smt_cf_state;
+ pdq_uint32_t smt_hold_state;
+ pdq_uint32_t smt_remote_disconnect_flag;
+ pdq_uint32_t smt_station_action;
+ /* MAC Objects */
+ pdq_uint32_t mac_frame_status_capabilities;
+ pdq_uint32_t mac_t_max_greatest_lower_bound;
+ pdq_uint32_t mac_tvx_greatest_lower_bound;
+ pdq_uint32_t mac_paths_available;
+ pdq_uint32_t mac_current_path;
+ pdq_lanaddr_t mac_upstream_neighbor;
+ pdq_lanaddr_t mac_old_upstream_neighbor;
+ pdq_uint32_t mac_dup_addr_test;
+ pdq_uint32_t mac_paths_requested;
+ pdq_uint32_t mac_downstream_port_type;
+ pdq_lanaddr_t mac_smt_address;
+ pdq_uint32_t mac_t_req;
+ pdq_uint32_t mac_t_neg;
+ pdq_uint32_t mac_t_max;
+ pdq_uint32_t mac_tvx_value;
+ pdq_uint32_t mac_t_min;
+ pdq_uint32_t mac_current_frame_status;
+ pdq_uint32_t mac_frame_error_threshold;
+ pdq_uint32_t mac_frame_error_ratio;
+ pdq_uint32_t mac_rmt_state;
+ pdq_uint32_t mac_da_flag;
+ pdq_uint32_t mac_una_da_flag;
+ pdq_uint32_t mac_frame_condition;
+ pdq_uint32_t mac_chip_set;
+ pdq_uint32_t mac_action;
+ /* Port Objects */
+ pdq_uint32_t port_pc_type[2];
+ pdq_uint32_t port_pc_neighbor[2];
+ pdq_uint32_t port_connection_policies[2];
+ pdq_uint32_t port_remote_mac_indicated[2];
+ pdq_uint32_t port_ce_state[2];
+ pdq_uint32_t port_paths_requested[2];
+ pdq_uint32_t port_mac_placement[2];
+ pdq_uint32_t port_available_paths[2];
+ pdq_uint32_t port_mac_loop_time[2];
+ pdq_uint32_t port_tb_max[2];
+ pdq_uint32_t port_bs_flag[2];
+ pdq_uint32_t port_ler_estimate[2];
+ pdq_uint32_t port_ler_cutoff[2];
+ pdq_uint32_t port_ler_alarm[2];
+ pdq_uint32_t port_connect_state[2];
+ pdq_uint32_t port_pcm_state[2];
+ pdq_uint32_t port_pc_withhold[2];
+ pdq_uint32_t port_ler_condition[2];
+ pdq_uint32_t port_chip_set[2];
+ pdq_uint32_t port_action[2];
+ /* Attachment Objects */
+ pdq_uint32_t attachment_class;
+ pdq_uint32_t attachment_optical_bypass_present;
+ pdq_uint32_t attachment_imax_expiration;
+ pdq_uint32_t attachment_inserted_status;
+ pdq_uint32_t attachment_insert_policy;
+ } fddi_mib_get;
+} pdq_response_fddi_mib_get_t;
+
+#define PDQ_SIZE_RESPONSE_FDDI_MIB_GET 0x17C
+
+typedef enum {
+ PDQ_FDX_STATE_IDLE=0,
+ PDQ_FDX_STATE_REQUEST=1,
+ PDQ_FDX_STATE_CONFIRM=2,
+ PDQ_FDX_STATE_OPERATION=3
+} pdq_fdx_state_t;
+
+typedef struct {
+ pdq_uint32_t dec_ext_mib_get_reserved;
+ pdq_cmd_code_t dec_ext_mib_get_op;
+ pdq_response_code_t dec_ext_mib_get_response;
+ struct {
+ /* SMT Objects */
+ pdq_uint32_t esmt_station_type;
+ /* MAC Objects */
+ pdq_uint32_t emac_link_state;
+ pdq_uint32_t emac_ring_purger_state;
+ pdq_uint32_t emac_ring_purger_enable;
+ pdq_uint32_t emac_frame_strip_mode;
+ pdq_uint32_t emac_ring_error_reason;
+ pdq_uint32_t emac_upstream_nbr_dupl_address_flag;
+ pdq_uint32_t emac_restricted_token_timeout;
+ /* Port Objects */
+ pdq_uint32_t eport_pmd_type[2];
+ pdq_uint32_t eport_phy_state[2];
+ pdq_uint32_t eport_reject_reason[2];
+ /* Full Duplex Objects */
+ pdq_boolean_t fdx_enable;
+ pdq_boolean_t fdx_operational;
+ pdq_fdx_state_t fdx_state;
+ } dec_ext_mib_get;
+} pdq_response_dec_ext_mib_get_t;
+
+#define PDQ_SIZE_RESPONSE_DEC_EXT_MIB_GET 0x50
+
+typedef enum {
+ PDQ_CALLER_ID_NONE=0,
+ PDQ_CALLER_ID_SELFTEST=1,
+ PDQ_CALLER_ID_MFG=2,
+ PDQ_CALLER_ID_FIRMWARE=5,
+ PDQ_CALLER_ID_CONSOLE=8
+} pdq_caller_id_t;
+
+typedef struct {
+ pdq_uint32_t error_log_get__reserved;
+ pdq_cmd_code_t error_log_get_op;
+ pdq_response_code_t error_log_get_status;
+ /* Error Header */
+ pdq_uint32_t error_log_get_event_status;
+ /* Event Information Block */
+ pdq_caller_id_t error_log_get_caller_id;
+ pdq_uint32_t error_log_get_timestamp[2];
+ pdq_uint32_t error_log_get_write_count;
+ /* Diagnostic Information */
+ pdq_uint32_t error_log_get_fru_implication_mask;
+ pdq_uint32_t error_log_get_test_id;
+ pdq_uint32_t error_log_get_diag_reserved[6];
+ /* Firmware Information */
+ pdq_uint32_t error_log_get_fw_reserved[112];
+} pdq_response_error_log_get_t;
+
+
+/*
+ * Definitions for the Unsolicited Event Queue.
+ */
+typedef enum {
+ PDQ_UNSOLICITED_EVENT=0,
+ PDQ_UNSOLICITED_COUNTERS=1
+} pdq_event_t;
+
+typedef enum {
+ PDQ_ENTITY_STATION=0,
+ PDQ_ENTITY_LINK=1,
+ PDQ_ENTITY_PHY_PORT=2
+} pdq_entity_t;
+
+typedef enum {
+ PDQ_STATION_EVENT_TRACE_RECEIVED=1
+} pdq_station_event_t;
+
+typedef enum {
+ PDQ_STATION_EVENT_ARGUMENT_REASON=0, /* pdq_uint32_t */
+ PDQ_STATION_EVENT_ARGUMENT_EOL=0xFF
+} pdq_station_event_argument_t;
+
+typedef enum {
+ PDQ_LINK_EVENT_TRANSMIT_UNDERRUN=0,
+ PDQ_LINK_EVENT_TRANSMIT_FAILED=1,
+ PDQ_LINK_EVENT_BLOCK_CHECK_ERROR=2,
+ PDQ_LINK_EVENT_FRAME_STATUS_ERROR=3,
+ PDQ_LINK_EVENT_PDU_LENGTH_ERROR=4,
+ PDQ_LINK_EVENT_RECEIVE_DATA_OVERRUN=7,
+ PDQ_LINK_EVENT_NO_USER_BUFFER=9,
+ PDQ_LINK_EVENT_RING_INITIALIZATION_INITIATED=10,
+ PDQ_LINK_EVENT_RING_INITIALIZATION_RECEIVED=11,
+ PDQ_LINK_EVENT_RING_BEACON_INITIATED=12,
+ PDQ_LINK_EVENT_DUPLICATE_ADDRESS_FAILURE=13,
+ PDQ_LINK_EVENT_DUPLICATE_TOKEN_DETECTED=14,
+ PDQ_LINK_EVENT_RING_PURGE_ERROR=15,
+ PDQ_LINK_EVENT_FCI_STRIP_ERROR=16,
+ PDQ_LINK_EVENT_TRACE_INITIATED=17,
+ PDQ_LINK_EVENT_DIRECTED_BEACON_RECEIVED=18
+} pdq_link_event_t;
+
+typedef enum {
+ PDQ_LINK_EVENT_ARGUMENT_REASON=0, /* pdq_rireason_t */
+ PDQ_LINK_EVENT_ARGUMENT_DATA_LINK_HEADER=1, /* pdq_dlhdr_t */
+ PDQ_LINK_EVENT_ARGUMENT_SOURCE=2, /* pdq_lanaddr_t */
+ PDQ_LINK_EVENT_ARGUMENT_UPSTREAM_NEIGHBOR=3,/* pdq_lanaddr_t */
+ PDQ_LINK_EVENT_ARGUMENT_EOL=0xFF
+} pdq_link_event_argument_t;
+
+typedef enum {
+ PDQ_PHY_EVENT_LEM_ERROR_MONITOR_REJECT=0,
+ PDQ_PHY_EVENT_ELASTICITY_BUFFER_ERROR=1,
+ PDQ_PHY_EVENT_LINK_CONFIDENCE_TEST_REJECT=2
+} pdq_phy_event_t;
+
+typedef enum {
+ PDQ_PHY_EVENT_ARGUMENT_DIRECTION=0, /* pdq_lct_direction_t */
+ PDQ_PHY_EVENT_ARGUMENT_EOL=0xFF
+} pdq_phy_event_arguments;
+
+struct _pdq_unsolicited_event_t {
+ pdq_uint32_t rvent_reserved;
+ pdq_event_t event_type;
+ pdq_entity_t event_entity;
+ pdq_uint32_t event_index;
+ union {
+ pdq_station_event_t station_event;
+ pdq_link_event_t link_event;
+ pdq_phy_event_t phy_event;
+ pdq_uint32_t value;
+ } event_code;
+ /*
+ * The remainder of this event is an argument list.
+ */
+ pdq_uint32_t event__filler[123];
+};
+
+#endif /* _PDQREG_H */
diff --git a/sys/dev/pdq/pdqvar.h b/sys/dev/pdq/pdqvar.h
new file mode 100644
index 0000000..6bb3065
--- /dev/null
+++ b/sys/dev/pdq/pdqvar.h
@@ -0,0 +1,351 @@
+/*-
+ * Copyright (c) 1995, 1996 Matt Thomas <matt@3am-software.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. The name of the author may not be used to endorse or promote products
+ * derived from this software withough specific prior written permission
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * $Id: pdqvar.h,v 1.19 1996/07/31 21:38:44 thomas Exp $
+ *
+ */
+
+/*
+ * DEC PDQ FDDI Controller; PDQ O/S dependent definitions
+ *
+ * Written by Matt Thomas
+ *
+ */
+
+#ifndef _PDQ_OS_H
+#define _PDQ_OS_H
+
+#define PDQ_OS_TX_TIMEOUT 5 /* seconds */
+
+typedef struct _pdq_t pdq_t;
+typedef struct _pdq_csrs_t pdq_csrs_t;
+typedef struct _pdq_pci_csrs_t pdq_pci_csrs_t;
+typedef struct _pdq_lanaddr_t pdq_lanaddr_t;
+typedef unsigned int pdq_uint32_t;
+typedef unsigned short pdq_uint16_t;
+typedef unsigned char pdq_uint8_t;
+typedef enum _pdq_boolean_t pdq_boolean_t;
+typedef enum _pdq_type_t pdq_type_t;
+typedef enum _pdq_state_t pdq_state_t;
+
+enum _pdq_type_t {
+ PDQ_DEFPA, /* PCI-bus */
+ PDQ_DEFEA, /* EISA-bus */
+ PDQ_DEFTA, /* TurboChannel */
+ PDQ_DEFAA, /* FutureBus+ */
+ PDQ_DEFQA /* Q-bus */
+};
+
+#if defined(PDQTEST)
+#include <pdq_os_test.h>
+#elif defined(__FreeBSD__) || defined(__bsdi__) || defined(__NetBSD__)
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#ifndef M_MCAST
+#include <sys/mbuf.h>
+#endif /* M_CAST */
+#include <sys/malloc.h>
+#include <vm/vm.h>
+#include <vm/vm_kern.h>
+
+#define PDQ_USE_MBUFS
+#if defined(__NetBSD__)
+#define PDQ_OS_PREFIX "%s: "
+#define PDQ_OS_PREFIX_ARGS pdq->pdq_os_name
+#else
+#define PDQ_OS_PREFIX "%s%d: "
+#define PDQ_OS_PREFIX_ARGS pdq->pdq_os_name, pdq->pdq_unit
+#endif
+#if defined(__FreeBSD__) && BSD >= 199506
+#define PDQ_OS_PAGESIZE PAGE_SIZE
+#else
+#define PDQ_OS_PAGESIZE NBPG
+#endif
+#define PDQ_OS_USEC_DELAY(n) DELAY(n)
+#define PDQ_OS_MEMZERO(p, n) bzero((caddr_t)(p), (n))
+#if defined(__NetBSD__) && defined(__alpha__)
+#define PDQ_OS_VA_TO_PA(pdq, p) (vtophys((vm_offset_t)p) | (pdq->pdq_type == PDQ_DEFTA ? 0 : 0x40000000))
+#else
+#define PDQ_OS_VA_TO_PA(pdq, p) vtophys(p)
+#endif
+#define PDQ_OS_MEMALLOC(n) malloc(n, M_DEVBUF, M_NOWAIT)
+#define PDQ_OS_MEMFREE(p, n) free((void *) p, M_DEVBUF)
+#ifdef __FreeBSD__
+#define PDQ_OS_MEMALLOC_CONTIG(n) vm_page_alloc_contig(n, 0, 0xffffffff, PAGE_SIZE)
+#define PDQ_OS_MEMFREE_CONTIG(p, n) kmem_free(kernel_map, (vm_offset_t) p, n)
+#else
+#define PDQ_OS_MEMALLOC_CONTIG(n) kmem_alloc(kernel_map, round_page(n))
+#define PDQ_OS_MEMFREE_CONTIG(p, n) kmem_free(kernel_map, (vm_offset_t) p, n)
+#endif /* __FreeBSD__ */
+
+#if defined(__FreeBSD__)
+#include <vm/pmap.h>
+#include <vm/vm_extern.h>
+#include <machine/cpufunc.h>
+#include <machine/clock.h>
+typedef void ifnet_ret_t;
+typedef int ioctl_cmd_t;
+typedef enum { PDQ_BUS_EISA, PDQ_BUS_PCI } pdq_bus_t;
+typedef u_int16_t pdq_bus_ioport_t;
+typedef volatile pdq_uint32_t *pdq_bus_memaddr_t;
+typedef pdq_bus_memaddr_t pdq_bus_memoffset_t;
+#if BSD >= 199506 /* __FreeBSD__ */
+#define PDQ_BPF_MTAP(sc, m) bpf_mtap(&(sc)->sc_if, m)
+#define PDQ_BPFATTACH(sc, t, s) bpfattach(&(sc)->sc_if, t, s)
+#endif
+
+
+#elif defined(__bsdi__)
+#include <machine/inline.h>
+typedef int ifnet_ret_t;
+typedef int ioctl_cmd_t;
+typedef enum { PDQ_BUS_EISA, PDQ_BUS_PCI } pdq_bus_t;
+typedef u_int16_t pdq_bus_ioport_t;
+typedef volatile pdq_uint32_t *pdq_bus_memaddr_t;
+typedef pdq_bus_memaddr_t pdq_bus_memoffset_t;
+
+
+#elif defined(__NetBSD__)
+#include <machine/bus.h>
+#include <machine/intr.h>
+#define PDQ_OS_PTR_FMT "%p"
+typedef void ifnet_ret_t;
+typedef u_long ioctl_cmd_t;
+typedef bus_chipset_tag_t pdq_bus_t;
+typedef bus_io_handle_t pdq_bus_ioport_t;
+#if defined(PDQ_IOMAPPED)
+typedef bus_io_handle_t pdq_bus_memaddr_t;
+#else
+typedef bus_mem_handle_t pdq_bus_memaddr_t;
+#endif
+typedef pdq_uint32_t pdq_bus_memoffset_t;
+#define PDQ_OS_IOMEM
+#define PDQ_OS_IORD_32(t, base, offset) bus_io_read_4 (t, base, offset)
+#define PDQ_OS_IOWR_32(t, base, offset, data) bus_io_write_4 (t, base, offset, data)
+#define PDQ_OS_IORD_8(t, base, offset) bus_io_read_1 (t, base, offset)
+#define PDQ_OS_IOWR_8(t, base, offset, data) bus_io_write_1 (t, base, offset, data)
+#define PDQ_OS_MEMRD_32(t, base, offset) bus_mem_read_4(t, base, offset)
+#define PDQ_OS_MEMWR_32(t, base, offset, data) bus_mem_write_4(t, base, offset, data)
+#define PDQ_CSR_OFFSET(base, offset) (0 + (offset)*sizeof(pdq_uint32_t))
+
+#if defined(PDQ_IOMAPPED)
+#define PDQ_CSR_WRITE(csr, name, data) PDQ_OS_IOWR_32((csr)->csr_bus, (csr)->csr_base, (csr)->name, data)
+#define PDQ_CSR_READ(csr, name) PDQ_OS_IORD_32((csr)->csr_bus, (csr)->csr_base, (csr)->name)
+#else
+#define PDQ_CSR_WRITE(csr, name, data) PDQ_OS_MEMWR_32((csr)->csr_bus, (csr)->csr_base, (csr)->name, data)
+#define PDQ_CSR_READ(csr, name) PDQ_OS_MEMRD_32((csr)->csr_bus, (csr)->csr_base, (csr)->name)
+#endif
+
+#endif
+
+#if !defined(PDQ_BPF_MTAP)
+#define PDQ_BPF_MTAP(sc, m) bpf_mtap((sc)->sc_bpf, m)
+#endif
+
+#if !defined(PDQ_BPFATTACH)
+#define PDQ_BPFATTACH(sc, t, s) bpfattach(&(sc)->sc_bpf, &(sc)->sc_if, t, s)
+#endif
+
+#if !defined(PDQ_OS_PTR_FMT)
+#define PDQ_OS_PTR_FMT "0x%x"
+#endif
+
+#if !defined(PDQ_OS_IOMEM)
+#define PDQ_OS_IORD_32(t, base, offset) inl((base) + (offset))
+#define PDQ_OS_IOWR_32(t, base, offset, data) outl((base) + (offset), data)
+#define PDQ_OS_IORD_8(t, base, offset) inb((base) + (offset))
+#define PDQ_OS_IOWR_8(t, base, offset, data) outb((base) + (offset), data)
+#define PDQ_OS_MEMRD_32(t, base, offset) (0 + *((base) + (offset)))
+#define PDQ_OS_MEMWR_32(t, base, offset, data) do *((base) + (offset)) = (data); while (0)
+#endif
+#ifndef PDQ_CSR_OFFSET
+#define PDQ_CSR_OFFSET(base, offset) (0 + (base) + (offset))
+#endif
+
+#ifndef PDQ_CSR_WRITE
+#define PDQ_CSR_WRITE(csr, name, data) PDQ_OS_MEMWR_32((csr)->csr_bus, (csr)->name, 0, data)
+#define PDQ_CSR_READ(csr, name) PDQ_OS_MEMRD_32((csr)->csr_bus, (csr)->name, 0)
+#endif
+
+#if !defined(PDQ_HWSUPPORT)
+
+typedef struct {
+#if defined(__bsdi__)
+ struct device sc_dev; /* base device */
+ struct isadev sc_id; /* ISA device */
+ struct intrhand sc_ih; /* interrupt vectoring */
+ struct atshutdown sc_ats; /* shutdown routine */
+#elif defined(__NetBSD__)
+ struct device sc_dev; /* base device */
+ void *sc_ih; /* interrupt vectoring */
+ void *sc_ats; /* shutdown hook */
+#elif defined(__FreeBSD__)
+ struct kern_devconf *sc_kdc; /* freebsd cruft */
+#endif
+ struct arpcom sc_ac;
+#define sc_if sc_ac.ac_if
+ pdq_t *sc_pdq;
+#if defined(__alpha__) || defined(__i386__)
+ pdq_bus_ioport_t sc_iobase;
+#endif
+#ifdef PDQ_IOMAPPED
+#define sc_membase sc_iobase
+#else
+ pdq_bus_memaddr_t sc_membase;
+#endif
+ pdq_bus_t sc_bc;
+#if !defined(__bsdi__) || _BSDI_VERSION >= 199401
+#define sc_bpf sc_if.if_bpf
+#else
+ caddr_t sc_bpf;
+#endif
+} pdq_softc_t;
+
+
+extern void pdq_ifreset(pdq_softc_t *sc);
+extern void pdq_ifinit(pdq_softc_t *sc);
+extern void pdq_ifwatchdog(struct ifnet *ifp);
+extern ifnet_ret_t pdq_ifstart(struct ifnet *ifp);
+extern int pdq_ifioctl(struct ifnet *ifp, ioctl_cmd_t cmd, caddr_t data);
+extern void pdq_ifattach(pdq_softc_t *sc, ifnet_ret_t (*ifwatchdog)(int unit));
+#endif /* !PDQ_HWSUPPORT */
+
+
+#elif defined(DLPI_PDQ)
+#include <sys/param.h>
+#include <sys/kmem.h>
+#include <sys/ddi.h>
+#include <sys/stream.h>
+
+#define PDQ_USE_STREAMS
+#define PDQ_OS_PREFIX "%s board %d "
+#define PDQ_OS_PREFIX_ARGS pdq->pdq_os_name, pdq->pdq_unit
+
+#define PDQ_OS_PAGESIZE PAGESIZE
+#define PDQ_OS_USEC_DELAY(n) drv_usecwait(n)
+#define PDQ_OS_MEMZERO(p, n) bzero((caddr_t)(p), (n))
+#define PDQ_OS_VA_TO_PA(pdq, p) vtop((caddr_t)p, NULL)
+#define PDQ_OS_MEMALLOC(n) kmem_zalloc(n, KM_NOSLEEP)
+#define PDQ_OS_MEMFREE(p, n) kmem_free((caddr_t) p, n)
+#define PDQ_OS_MEMALLOC_CONTIG(n) kmem_zalloc_physreq(n, decfddiphysreq_db, KM_NOSLEEP)
+#define PDQ_OS_MEMFREE_CONTIG(p, n) PDQ_OS_MEMFREE(p, n)
+
+extern physreq_t *decfddiphysreq_db;
+extern physreq_t *decfddiphysreq_mblk;
+
+#define PDQ_OS_DATABUF_ALLOC(b) ((void) (((b) = allocb_physreq(PDQ_OS_DATABUF_SIZE, BPRI_MED, decfddiphysreq_mblk)) && ((b)->b_wptr = (b)->b_rptr + PDQ_OS_DATABUF_SIZE)))
+
+#define PDQ_OS_IORD_8(port) inb(port)
+#define PDQ_OS_IOWR_8(port, data) outb(port, data)
+#endif
+
+
+#ifdef PDQ_USE_MBUFS
+#define PDQ_OS_DATABUF_SIZE (MCLBYTES)
+#define PDQ_OS_DATABUF_FREE(b) (m_freem(b))
+#define PDQ_OS_DATABUF_NEXT(b) ((b)->m_next)
+#define PDQ_OS_DATABUF_NEXT_SET(b, b1) ((b)->m_next = (b1))
+#define PDQ_OS_DATABUF_NEXTPKT(b) ((b)->m_nextpkt)
+#define PDQ_OS_DATABUF_NEXTPKT_SET(b, b1) ((b)->m_nextpkt = (b1))
+#define PDQ_OS_DATABUF_LEN(b) ((b)->m_len)
+#define PDQ_OS_DATABUF_LEN_SET(b, n) ((b)->m_len = (n))
+/* #define PDQ_OS_DATABUF_LEN_ADJ(b, n) ((b)->m_len += (n)) */
+#define PDQ_OS_DATABUF_PTR(b) (mtod((b), pdq_uint8_t *))
+#define PDQ_OS_DATABUF_ADJ(b, n) ((b)->m_data += (n), (b)->m_len -= (n))
+typedef struct mbuf PDQ_OS_DATABUF_T;
+
+#define PDQ_OS_DATABUF_ALLOC(b) do { \
+ PDQ_OS_DATABUF_T *x_m0; \
+ MGETHDR(x_m0, M_DONTWAIT, MT_DATA); \
+ if (x_m0 != NULL) { \
+ MCLGET(x_m0, M_DONTWAIT); \
+ if ((x_m0->m_flags & M_EXT) == 0) { \
+ m_free(x_m0); \
+ (b) = NULL; \
+ } else { \
+ (b) = x_m0; \
+ x_m0->m_len = PDQ_OS_DATABUF_SIZE; \
+ } \
+ } else { \
+ (b) = NULL; \
+ } \
+} while (0)
+#define PDQ_OS_DATABUF_RESET(b) ((b)->m_data = (b)->m_ext.ext_buf, (b)->m_len = MCLBYTES)
+#endif /* PDQ_USE_MBUFS */
+
+#ifdef PDQ_USE_STREAMS
+#define PDQ_OS_DATABUF_SIZE (2048)
+#define PDQ_OS_DATABUF_FREE(b) (freemsg(b))
+#define PDQ_OS_DATABUF_NEXT(b) ((b)->b_cont)
+#define PDQ_OS_DATABUF_NEXT_SET(b, b1) ((b)->b_cont = (b1))
+#define PDQ_OS_DATABUF_NEXTPKT(b) ((b)->b_next)
+#define PDQ_OS_DATABUF_NEXTPKT_SET(b, b1) ((b)->b_next = (b1))
+#define PDQ_OS_DATABUF_LEN(b) ((b)->b_wptr - (b)->b_rptr)
+#define PDQ_OS_DATABUF_LEN_SET(b, n) ((b)->b_wptr = (b)->b_rptr + (n))
+/*#define PDQ_OS_DATABUF_LEN_ADJ(b, n) ((b)->b_wptr += (n))*/
+#define PDQ_OS_DATABUF_PTR(b) ((pdq_uint8_t *) (b)->b_rptr)
+#define PDQ_OS_DATABUF_ADJ(b, n) ((b)->b_rptr += (n))
+typedef mblk_t PDQ_OS_DATABUF_T;
+
+#ifndef PDQ_OS_DATABUF_ALLOC
+#define PDQ_OS_DATABUF_ALLOC(b) ((void) (((b) = allocb(PDQ_OS_DATABUF_SIZE, BPRI_MED)) && ((b)->b_wptr = (b)->b_rptr + PDQ_OS_DATABUF_SIZE)))
+#endif /* PDQ_OS_DATABUF_ALLOC */
+#endif /* PDQ_USE_STREAMS */
+
+#define PDQ_OS_TX_TRANSMIT 5
+
+#define PDQ_OS_DATABUF_ENQUEUE(q, b) do { \
+ PDQ_OS_DATABUF_NEXTPKT_SET(b, NULL); \
+ if ((q)->q_tail == NULL) \
+ (q)->q_head = (b); \
+ else \
+ PDQ_OS_DATABUF_NEXTPKT_SET(((PDQ_OS_DATABUF_T *)(q)->q_tail), b); \
+ (q)->q_tail = (b); \
+} while (0)
+
+#define PDQ_OS_DATABUF_DEQUEUE(q, b) do { \
+ if (((b) = (PDQ_OS_DATABUF_T *) (q)->q_head) != NULL) { \
+ if (((q)->q_head = PDQ_OS_DATABUF_NEXTPKT(b)) == NULL) \
+ (q)->q_tail = NULL; \
+ PDQ_OS_DATABUF_NEXTPKT_SET(b, NULL); \
+ } \
+} while (0)
+
+extern void pdq_os_addr_fill(pdq_t *pdq, pdq_lanaddr_t *addrs, size_t numaddrs);
+extern void pdq_os_receive_pdu(pdq_t *, PDQ_OS_DATABUF_T *pdu, size_t pdulen);
+extern void pdq_os_restart_transmitter(pdq_t *pdq);
+extern void pdq_os_transmit_done(pdq_t *pdq, PDQ_OS_DATABUF_T *pdu);
+
+extern pdq_boolean_t pdq_queue_transmit_data(pdq_t *pdq, PDQ_OS_DATABUF_T *pdu);
+extern void pdq_flush_transmitter(pdq_t *pdq);
+
+extern void pdq_run(pdq_t *pdq);
+extern pdq_state_t pdq_stop(pdq_t *pdq);
+extern void pdq_hwreset(pdq_t *pdq);
+
+extern int pdq_interrupt(pdq_t *pdq);
+extern pdq_t *pdq_initialize(pdq_bus_t bus, pdq_bus_memaddr_t csr_va,
+ const char *name, int unit,
+ void *ctx, pdq_type_t type);
+#endif /* _PDQ_OS_H */
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