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freebsd-nq/sys/dev/hatm/if_hatm.c
John Baldwin e1b17582f4 Take a step towards removing if_watchdog/if_timer. Don't explicitly set 
if_watchdog/if_timer to NULL/0 when initializing an ifnet.  if_alloc()
sets those members to NULL/0 already.
2009-11-06 14:55:01 +00:00

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/*-
* Copyright (c) 2001-2003
* Fraunhofer Institute for Open Communication Systems (FhG Fokus).
* 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. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
*
* Author: Hartmut Brandt <harti@freebsd.org>
*
* ForeHE driver.
*
* This file contains the module and driver infrastructure stuff as well
* as a couple of utility functions and the entire initialisation.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include "opt_inet.h"
#include "opt_natm.h"
#include <sys/types.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/malloc.h>
#include <sys/kernel.h>
#include <sys/bus.h>
#include <sys/errno.h>
#include <sys/conf.h>
#include <sys/module.h>
#include <sys/queue.h>
#include <sys/syslog.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/condvar.h>
#include <sys/sysctl.h>
#include <vm/uma.h>
#include <sys/sockio.h>
#include <sys/mbuf.h>
#include <sys/socket.h>
#include <net/if.h>
#include <net/if_media.h>
#include <net/if_atm.h>
#include <net/if_types.h>
#include <net/route.h>
#ifdef ENABLE_BPF
#include <net/bpf.h>
#endif
#include <netinet/in.h>
#include <netinet/if_atm.h>
#include <machine/bus.h>
#include <machine/resource.h>
#include <sys/bus.h>
#include <sys/rman.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <dev/utopia/utopia.h>
#include <dev/hatm/if_hatmconf.h>
#include <dev/hatm/if_hatmreg.h>
#include <dev/hatm/if_hatmvar.h>
static const struct {
uint16_t vid;
uint16_t did;
const char *name;
} hatm_devs[] = {
{ 0x1127, 0x400,
"FORE HE" },
{ 0, 0, NULL }
};
SYSCTL_DECL(_hw_atm);
MODULE_DEPEND(hatm, utopia, 1, 1, 1);
MODULE_DEPEND(hatm, pci, 1, 1, 1);
MODULE_DEPEND(hatm, atm, 1, 1, 1);
#define EEPROM_DELAY 400 /* microseconds */
/* Read from EEPROM 0000 0011b */
static const uint32_t readtab[] = {
HE_REGM_HOST_PROM_SEL | HE_REGM_HOST_PROM_CLOCK,
0,
HE_REGM_HOST_PROM_CLOCK,
0, /* 0 */
HE_REGM_HOST_PROM_CLOCK,
0, /* 0 */
HE_REGM_HOST_PROM_CLOCK,
0, /* 0 */
HE_REGM_HOST_PROM_CLOCK,
0, /* 0 */
HE_REGM_HOST_PROM_CLOCK,
0, /* 0 */
HE_REGM_HOST_PROM_CLOCK,
HE_REGM_HOST_PROM_DATA_IN, /* 0 */
HE_REGM_HOST_PROM_CLOCK | HE_REGM_HOST_PROM_DATA_IN,
HE_REGM_HOST_PROM_DATA_IN, /* 1 */
HE_REGM_HOST_PROM_CLOCK | HE_REGM_HOST_PROM_DATA_IN,
HE_REGM_HOST_PROM_DATA_IN, /* 1 */
};
static const uint32_t clocktab[] = {
0, HE_REGM_HOST_PROM_CLOCK,
0, HE_REGM_HOST_PROM_CLOCK,
0, HE_REGM_HOST_PROM_CLOCK,
0, HE_REGM_HOST_PROM_CLOCK,
0, HE_REGM_HOST_PROM_CLOCK,
0, HE_REGM_HOST_PROM_CLOCK,
0, HE_REGM_HOST_PROM_CLOCK,
0, HE_REGM_HOST_PROM_CLOCK,
0
};
/*
* Convert cell rate to ATM Forum format
*/
u_int
hatm_cps2atmf(uint32_t pcr)
{
u_int e;
if (pcr == 0)
return (0);
pcr <<= 9;
e = 0;
while (pcr > (1024 - 1)) {
e++;
pcr >>= 1;
}
return ((1 << 14) | (e << 9) | (pcr & 0x1ff));
}
u_int
hatm_atmf2cps(uint32_t fcr)
{
fcr &= 0x7fff;
return ((1 << ((fcr >> 9) & 0x1f)) * (512 + (fcr & 0x1ff)) / 512
* (fcr >> 14));
}
/************************************************************
*
* Initialisation
*/
/*
* Probe for a HE controller
*/
static int
hatm_probe(device_t dev)
{
int i;
for (i = 0; hatm_devs[i].name; i++)
if (pci_get_vendor(dev) == hatm_devs[i].vid &&
pci_get_device(dev) == hatm_devs[i].did) {
device_set_desc(dev, hatm_devs[i].name);
return (BUS_PROBE_DEFAULT);
}
return (ENXIO);
}
/*
* Allocate and map DMA-able memory. We support only contiguous mappings.
*/
static void
dmaload_helper(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
{
if (error)
return;
KASSERT(nsegs == 1, ("too many segments for DMA: %d", nsegs));
KASSERT(segs[0].ds_addr <= 0xffffffffUL,
("phys addr too large %lx", (u_long)segs[0].ds_addr));
*(bus_addr_t *)arg = segs[0].ds_addr;
}
static int
hatm_alloc_dmamem(struct hatm_softc *sc, const char *what, struct dmamem *mem)
{
int error;
mem->base = NULL;
/*
* Alignement does not work in the bus_dmamem_alloc function below
* on FreeBSD. malloc seems to align objects at least to the object
* size so increase the size to the alignment if the size is lesser
* than the alignemnt.
* XXX on sparc64 this is (probably) not needed.
*/
if (mem->size < mem->align)
mem->size = mem->align;
error = bus_dma_tag_create(sc->parent_tag, mem->align, 0,
BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR,
NULL, NULL, mem->size, 1,
BUS_SPACE_MAXSIZE_32BIT, BUS_DMA_ALLOCNOW,
NULL, NULL, &mem->tag);
if (error) {
if_printf(sc->ifp, "DMA tag create (%s)\n", what);
return (error);
}
error = bus_dmamem_alloc(mem->tag, &mem->base, 0, &mem->map);
if (error) {
if_printf(sc->ifp, "DMA mem alloc (%s): %d\n",
what, error);
bus_dma_tag_destroy(mem->tag);
mem->base = NULL;
return (error);
}
error = bus_dmamap_load(mem->tag, mem->map, mem->base, mem->size,
dmaload_helper, &mem->paddr, BUS_DMA_NOWAIT);
if (error) {
if_printf(sc->ifp, "DMA map load (%s): %d\n",
what, error);
bus_dmamem_free(mem->tag, mem->base, mem->map);
bus_dma_tag_destroy(mem->tag);
mem->base = NULL;
return (error);
}
DBG(sc, DMA, ("%s S/A/V/P 0x%x 0x%x %p 0x%lx", what, mem->size,
mem->align, mem->base, (u_long)mem->paddr));
return (0);
}
/*
* Destroy all the resources of an DMA-able memory region.
*/
static void
hatm_destroy_dmamem(struct dmamem *mem)
{
if (mem->base != NULL) {
bus_dmamap_unload(mem->tag, mem->map);
bus_dmamem_free(mem->tag, mem->base, mem->map);
(void)bus_dma_tag_destroy(mem->tag);
mem->base = NULL;
}
}
/*
* Initialize/destroy DMA maps for the large pool 0
*/
static void
hatm_destroy_rmaps(struct hatm_softc *sc)
{
u_int b;
DBG(sc, ATTACH, ("destroying rmaps and lbuf pointers..."));
if (sc->rmaps != NULL) {
for (b = 0; b < sc->lbufs_size; b++)
bus_dmamap_destroy(sc->mbuf_tag, sc->rmaps[b]);
free(sc->rmaps, M_DEVBUF);
}
if (sc->lbufs != NULL)
free(sc->lbufs, M_DEVBUF);
}
static void
hatm_init_rmaps(struct hatm_softc *sc)
{
u_int b;
int err;
DBG(sc, ATTACH, ("allocating rmaps and lbuf pointers..."));
sc->lbufs = malloc(sizeof(sc->lbufs[0]) * sc->lbufs_size,
M_DEVBUF, M_ZERO | M_WAITOK);
/* allocate and create the DMA maps for the large pool */
sc->rmaps = malloc(sizeof(sc->rmaps[0]) * sc->lbufs_size,
M_DEVBUF, M_WAITOK);
for (b = 0; b < sc->lbufs_size; b++) {
err = bus_dmamap_create(sc->mbuf_tag, 0, &sc->rmaps[b]);
if (err != 0)
panic("bus_dmamap_create: %d\n", err);
}
}
/*
* Initialize and destroy small mbuf page pointers and pages
*/
static void
hatm_destroy_smbufs(struct hatm_softc *sc)
{
u_int i, b;
struct mbuf_page *pg;
struct mbuf_chunk_hdr *h;
if (sc->mbuf_pages != NULL) {
for (i = 0; i < sc->mbuf_npages; i++) {
pg = sc->mbuf_pages[i];
for (b = 0; b < pg->hdr.nchunks; b++) {
h = (struct mbuf_chunk_hdr *) ((char *)pg +
b * pg->hdr.chunksize + pg->hdr.hdroff);
if (h->flags & MBUF_CARD)
if_printf(sc->ifp,
"%s -- mbuf page=%u card buf %u\n",
__func__, i, b);
if (h->flags & MBUF_USED)
if_printf(sc->ifp,
"%s -- mbuf page=%u used buf %u\n",
__func__, i, b);
}
bus_dmamap_unload(sc->mbuf_tag, pg->hdr.map);
bus_dmamap_destroy(sc->mbuf_tag, pg->hdr.map);
free(pg, M_DEVBUF);
}
free(sc->mbuf_pages, M_DEVBUF);
}
}
static void
hatm_init_smbufs(struct hatm_softc *sc)
{
sc->mbuf_pages = malloc(sizeof(sc->mbuf_pages[0]) *
sc->mbuf_max_pages, M_DEVBUF, M_WAITOK);
sc->mbuf_npages = 0;
}
/*
* Initialize/destroy TPDs. This is called from attach/detach.
*/
static void
hatm_destroy_tpds(struct hatm_softc *sc)
{
struct tpd *t;
if (sc->tpds.base == NULL)
return;
DBG(sc, ATTACH, ("releasing TPDs ..."));
if (sc->tpd_nfree != sc->tpd_total)
if_printf(sc->ifp, "%u tpds still in use from %u\n",
sc->tpd_total - sc->tpd_nfree, sc->tpd_total);
while ((t = SLIST_FIRST(&sc->tpd_free)) != NULL) {
SLIST_REMOVE_HEAD(&sc->tpd_free, link);
bus_dmamap_destroy(sc->tx_tag, t->map);
}
hatm_destroy_dmamem(&sc->tpds);
free(sc->tpd_used, M_DEVBUF);
DBG(sc, ATTACH, ("... done"));
}
static int
hatm_init_tpds(struct hatm_softc *sc)
{
int error;
u_int i;
struct tpd *t;
DBG(sc, ATTACH, ("allocating %u TPDs and maps ...", sc->tpd_total));
error = hatm_alloc_dmamem(sc, "TPD memory", &sc->tpds);
if (error != 0) {
DBG(sc, ATTACH, ("... dmamem error=%d", error));
return (error);
}
/* put all the TPDs on the free list and allocate DMA maps */
for (i = 0; i < sc->tpd_total; i++) {
t = TPD_ADDR(sc, i);
t->no = i;
t->mbuf = NULL;
error = bus_dmamap_create(sc->tx_tag, 0, &t->map);
if (error != 0) {
DBG(sc, ATTACH, ("... dmamap error=%d", error));
while ((t = SLIST_FIRST(&sc->tpd_free)) != NULL) {
SLIST_REMOVE_HEAD(&sc->tpd_free, link);
bus_dmamap_destroy(sc->tx_tag, t->map);
}
hatm_destroy_dmamem(&sc->tpds);
return (error);
}
SLIST_INSERT_HEAD(&sc->tpd_free, t, link);
}
/* allocate and zero bitmap */
sc->tpd_used = malloc(sizeof(uint8_t) * (sc->tpd_total + 7) / 8,
M_DEVBUF, M_ZERO | M_WAITOK);
sc->tpd_nfree = sc->tpd_total;
DBG(sc, ATTACH, ("... done"));
return (0);
}
/*
* Free all the TPDs that where given to the card.
* An mbuf chain may be attached to a TPD - free it also and
* unload its associated DMA map.
*/
static void
hatm_stop_tpds(struct hatm_softc *sc)
{
u_int i;
struct tpd *t;
DBG(sc, ATTACH, ("free TPDs ..."));
for (i = 0; i < sc->tpd_total; i++) {
if (TPD_TST_USED(sc, i)) {
t = TPD_ADDR(sc, i);
if (t->mbuf) {
m_freem(t->mbuf);
t->mbuf = NULL;
bus_dmamap_unload(sc->tx_tag, t->map);
}
TPD_CLR_USED(sc, i);
SLIST_INSERT_HEAD(&sc->tpd_free, t, link);
sc->tpd_nfree++;
}
}
}
/*
* This frees ALL resources of this interface and leaves the structure
* in an indeterminate state. This is called just before detaching or
* on a failed attach. No lock should be held.
*/
static void
hatm_destroy(struct hatm_softc *sc)
{
u_int cid;
bus_teardown_intr(sc->dev, sc->irqres, sc->ih);
hatm_destroy_rmaps(sc);
hatm_destroy_smbufs(sc);
hatm_destroy_tpds(sc);
if (sc->vcc_zone != NULL) {
for (cid = 0; cid < HE_MAX_VCCS; cid++)
if (sc->vccs[cid] != NULL)
uma_zfree(sc->vcc_zone, sc->vccs[cid]);
uma_zdestroy(sc->vcc_zone);
}
/*
* Release all memory allocated to the various queues and
* Status pages. These have there own flag which shows whether
* they are really allocated.
*/
hatm_destroy_dmamem(&sc->irq_0.mem);
hatm_destroy_dmamem(&sc->rbp_s0.mem);
hatm_destroy_dmamem(&sc->rbp_l0.mem);
hatm_destroy_dmamem(&sc->rbp_s1.mem);
hatm_destroy_dmamem(&sc->rbrq_0.mem);
hatm_destroy_dmamem(&sc->rbrq_1.mem);
hatm_destroy_dmamem(&sc->tbrq.mem);
hatm_destroy_dmamem(&sc->tpdrq.mem);
hatm_destroy_dmamem(&sc->hsp_mem);
if (sc->irqres != NULL)
bus_release_resource(sc->dev, SYS_RES_IRQ,
sc->irqid, sc->irqres);
if (sc->tx_tag != NULL)
if (bus_dma_tag_destroy(sc->tx_tag))
if_printf(sc->ifp, "mbuf DMA tag busy\n");
if (sc->mbuf_tag != NULL)
if (bus_dma_tag_destroy(sc->mbuf_tag))
if_printf(sc->ifp, "mbuf DMA tag busy\n");
if (sc->parent_tag != NULL)
if (bus_dma_tag_destroy(sc->parent_tag))
if_printf(sc->ifp, "parent DMA tag busy\n");
if (sc->memres != NULL)
bus_release_resource(sc->dev, SYS_RES_MEMORY,
sc->memid, sc->memres);
sysctl_ctx_free(&sc->sysctl_ctx);
cv_destroy(&sc->cv_rcclose);
cv_destroy(&sc->vcc_cv);
mtx_destroy(&sc->mtx);
if (sc->ifp != NULL)
if_free(sc->ifp);
}
/*
* 4.4 Card reset
*/
static int
hatm_reset(struct hatm_softc *sc)
{
u_int v, count;
WRITE4(sc, HE_REGO_RESET_CNTL, 0x00);
BARRIER_W(sc);
WRITE4(sc, HE_REGO_RESET_CNTL, 0xff);
BARRIER_RW(sc);
count = 0;
while (((v = READ4(sc, HE_REGO_RESET_CNTL)) & HE_REGM_RESET_STATE) == 0) {
BARRIER_R(sc);
if (++count == 100) {
if_printf(sc->ifp, "reset failed\n");
return (ENXIO);
}
DELAY(1000);
}
return (0);
}
/*
* 4.5 Set Bus Width
*/
static void
hatm_init_bus_width(struct hatm_softc *sc)
{
uint32_t v, v1;
v = READ4(sc, HE_REGO_HOST_CNTL);
BARRIER_R(sc);
if (v & HE_REGM_HOST_BUS64) {
sc->pci64 = 1;
v1 = pci_read_config(sc->dev, HE_PCIR_GEN_CNTL_0, 4);
v1 |= HE_PCIM_CTL0_64BIT;
pci_write_config(sc->dev, HE_PCIR_GEN_CNTL_0, v1, 4);
v |= HE_REGM_HOST_DESC_RD64
| HE_REGM_HOST_DATA_RD64
| HE_REGM_HOST_DATA_WR64;
WRITE4(sc, HE_REGO_HOST_CNTL, v);
BARRIER_W(sc);
} else {
sc->pci64 = 0;
v = pci_read_config(sc->dev, HE_PCIR_GEN_CNTL_0, 4);
v &= ~HE_PCIM_CTL0_64BIT;
pci_write_config(sc->dev, HE_PCIR_GEN_CNTL_0, v, 4);
}
}
/*
* 4.6 Set Host Endianess
*/
static void
hatm_init_endianess(struct hatm_softc *sc)
{
uint32_t v;
v = READ4(sc, HE_REGO_LB_SWAP);
BARRIER_R(sc);
#if BYTE_ORDER == BIG_ENDIAN
v |= HE_REGM_LBSWAP_INTR_SWAP |
HE_REGM_LBSWAP_DESC_WR_SWAP |
HE_REGM_LBSWAP_BIG_ENDIAN;
v &= ~(HE_REGM_LBSWAP_DATA_WR_SWAP |
HE_REGM_LBSWAP_DESC_RD_SWAP |
HE_REGM_LBSWAP_DATA_RD_SWAP);
#else
v &= ~(HE_REGM_LBSWAP_DATA_WR_SWAP |
HE_REGM_LBSWAP_DESC_RD_SWAP |
HE_REGM_LBSWAP_DATA_RD_SWAP |
HE_REGM_LBSWAP_INTR_SWAP |
HE_REGM_LBSWAP_DESC_WR_SWAP |
HE_REGM_LBSWAP_BIG_ENDIAN);
#endif
if (sc->he622)
v |= HE_REGM_LBSWAP_XFER_SIZE;
WRITE4(sc, HE_REGO_LB_SWAP, v);
BARRIER_W(sc);
}
/*
* 4.7 Read EEPROM
*/
static uint8_t
hatm_read_prom_byte(struct hatm_softc *sc, u_int addr)
{
uint32_t val, tmp_read, byte_read;
u_int i, j;
int n;
val = READ4(sc, HE_REGO_HOST_CNTL);
val &= HE_REGM_HOST_PROM_BITS;
BARRIER_R(sc);
val |= HE_REGM_HOST_PROM_WREN;
WRITE4(sc, HE_REGO_HOST_CNTL, val);
BARRIER_W(sc);
/* send READ */
for (i = 0; i < sizeof(readtab) / sizeof(readtab[0]); i++) {
WRITE4(sc, HE_REGO_HOST_CNTL, val | readtab[i]);
BARRIER_W(sc);
DELAY(EEPROM_DELAY);
}
/* send ADDRESS */
for (n = 7, j = 0; n >= 0; n--) {
WRITE4(sc, HE_REGO_HOST_CNTL, val | clocktab[j++] |
(((addr >> n) & 1 ) << HE_REGS_HOST_PROM_DATA_IN));
BARRIER_W(sc);
DELAY(EEPROM_DELAY);
WRITE4(sc, HE_REGO_HOST_CNTL, val | clocktab[j++] |
(((addr >> n) & 1 ) << HE_REGS_HOST_PROM_DATA_IN));
BARRIER_W(sc);
DELAY(EEPROM_DELAY);
}
val &= ~HE_REGM_HOST_PROM_WREN;
WRITE4(sc, HE_REGO_HOST_CNTL, val);
BARRIER_W(sc);
/* read DATA */
byte_read = 0;
for (n = 7, j = 0; n >= 0; n--) {
WRITE4(sc, HE_REGO_HOST_CNTL, val | clocktab[j++]);
BARRIER_W(sc);
DELAY(EEPROM_DELAY);
tmp_read = READ4(sc, HE_REGO_HOST_CNTL);
byte_read |= (uint8_t)(((tmp_read & HE_REGM_HOST_PROM_DATA_OUT)
>> HE_REGS_HOST_PROM_DATA_OUT) << n);
WRITE4(sc, HE_REGO_HOST_CNTL, val | clocktab[j++]);
BARRIER_W(sc);
DELAY(EEPROM_DELAY);
}
WRITE4(sc, HE_REGO_HOST_CNTL, val | clocktab[j++]);
BARRIER_W(sc);
DELAY(EEPROM_DELAY);
return (byte_read);
}
static void
hatm_init_read_eeprom(struct hatm_softc *sc)
{
u_int n, count;
u_char byte;
uint32_t v;
for (n = count = 0; count < HE_EEPROM_PROD_ID_LEN; count++) {
byte = hatm_read_prom_byte(sc, HE_EEPROM_PROD_ID + count);
if (n > 0 || byte != ' ')
sc->prod_id[n++] = byte;
}
while (n > 0 && sc->prod_id[n-1] == ' ')
n--;
sc->prod_id[n] = '\0';
for (n = count = 0; count < HE_EEPROM_REV_LEN; count++) {
byte = hatm_read_prom_byte(sc, HE_EEPROM_REV + count);
if (n > 0 || byte != ' ')
sc->rev[n++] = byte;
}
while (n > 0 && sc->rev[n-1] == ' ')
n--;
sc->rev[n] = '\0';
IFP2IFATM(sc->ifp)->mib.hw_version = sc->rev[0];
IFP2IFATM(sc->ifp)->mib.serial = hatm_read_prom_byte(sc, HE_EEPROM_M_SN + 0) << 0;
IFP2IFATM(sc->ifp)->mib.serial |= hatm_read_prom_byte(sc, HE_EEPROM_M_SN + 1) << 8;
IFP2IFATM(sc->ifp)->mib.serial |= hatm_read_prom_byte(sc, HE_EEPROM_M_SN + 2) << 16;
IFP2IFATM(sc->ifp)->mib.serial |= hatm_read_prom_byte(sc, HE_EEPROM_M_SN + 3) << 24;
v = hatm_read_prom_byte(sc, HE_EEPROM_MEDIA + 0) << 0;
v |= hatm_read_prom_byte(sc, HE_EEPROM_MEDIA + 1) << 8;
v |= hatm_read_prom_byte(sc, HE_EEPROM_MEDIA + 2) << 16;
v |= hatm_read_prom_byte(sc, HE_EEPROM_MEDIA + 3) << 24;
switch (v) {
case HE_MEDIA_UTP155:
IFP2IFATM(sc->ifp)->mib.media = IFM_ATM_UTP_155;
IFP2IFATM(sc->ifp)->mib.pcr = ATM_RATE_155M;
break;
case HE_MEDIA_MMF155:
IFP2IFATM(sc->ifp)->mib.media = IFM_ATM_MM_155;
IFP2IFATM(sc->ifp)->mib.pcr = ATM_RATE_155M;
break;
case HE_MEDIA_MMF622:
IFP2IFATM(sc->ifp)->mib.media = IFM_ATM_MM_622;
IFP2IFATM(sc->ifp)->mib.device = ATM_DEVICE_HE622;
IFP2IFATM(sc->ifp)->mib.pcr = ATM_RATE_622M;
sc->he622 = 1;
break;
case HE_MEDIA_SMF155:
IFP2IFATM(sc->ifp)->mib.media = IFM_ATM_SM_155;
IFP2IFATM(sc->ifp)->mib.pcr = ATM_RATE_155M;
break;
case HE_MEDIA_SMF622:
IFP2IFATM(sc->ifp)->mib.media = IFM_ATM_SM_622;
IFP2IFATM(sc->ifp)->mib.device = ATM_DEVICE_HE622;
IFP2IFATM(sc->ifp)->mib.pcr = ATM_RATE_622M;
sc->he622 = 1;
break;
}
IFP2IFATM(sc->ifp)->mib.esi[0] = hatm_read_prom_byte(sc, HE_EEPROM_MAC + 0);
IFP2IFATM(sc->ifp)->mib.esi[1] = hatm_read_prom_byte(sc, HE_EEPROM_MAC + 1);
IFP2IFATM(sc->ifp)->mib.esi[2] = hatm_read_prom_byte(sc, HE_EEPROM_MAC + 2);
IFP2IFATM(sc->ifp)->mib.esi[3] = hatm_read_prom_byte(sc, HE_EEPROM_MAC + 3);
IFP2IFATM(sc->ifp)->mib.esi[4] = hatm_read_prom_byte(sc, HE_EEPROM_MAC + 4);
IFP2IFATM(sc->ifp)->mib.esi[5] = hatm_read_prom_byte(sc, HE_EEPROM_MAC + 5);
}
/*
* Clear unused interrupt queue
*/
static void
hatm_clear_irq(struct hatm_softc *sc, u_int group)
{
WRITE4(sc, HE_REGO_IRQ_BASE(group), 0);
WRITE4(sc, HE_REGO_IRQ_HEAD(group), 0);
WRITE4(sc, HE_REGO_IRQ_CNTL(group), 0);
WRITE4(sc, HE_REGO_IRQ_DATA(group), 0);
}
/*
* 4.10 Initialize interrupt queues
*/
static void
hatm_init_irq(struct hatm_softc *sc, struct heirq *q, u_int group)
{
u_int i;
if (q->size == 0) {
hatm_clear_irq(sc, group);
return;
}
q->group = group;
q->sc = sc;
q->irq = q->mem.base;
q->head = 0;
q->tailp = q->irq + (q->size - 1);
*q->tailp = 0;
for (i = 0; i < q->size; i++)
q->irq[i] = HE_REGM_ITYPE_INVALID;
WRITE4(sc, HE_REGO_IRQ_BASE(group), q->mem.paddr);
WRITE4(sc, HE_REGO_IRQ_HEAD(group),
((q->size - 1) << HE_REGS_IRQ_HEAD_SIZE) |
(q->thresh << HE_REGS_IRQ_HEAD_THRESH));
WRITE4(sc, HE_REGO_IRQ_CNTL(group), q->line);
WRITE4(sc, HE_REGO_IRQ_DATA(group), 0);
}
/*
* 5.1.3 Initialize connection memory
*/
static void
hatm_init_cm(struct hatm_softc *sc)
{
u_int rsra, mlbm, rabr, numbuffs;
u_int tsra, tabr, mtpd;
u_int n;
for (n = 0; n < HE_CONFIG_TXMEM; n++)
WRITE_TCM4(sc, n, 0);
for (n = 0; n < HE_CONFIG_RXMEM; n++)
WRITE_RCM4(sc, n, 0);
numbuffs = sc->r0_numbuffs + sc->r1_numbuffs + sc->tx_numbuffs;
rsra = 0;
mlbm = ((rsra + IFP2IFATM(sc->ifp)->mib.max_vccs * 8) + 0x7ff) & ~0x7ff;
rabr = ((mlbm + numbuffs * 2) + 0x7ff) & ~0x7ff;
sc->rsrb = ((rabr + 2048) + (2 * IFP2IFATM(sc->ifp)->mib.max_vccs - 1)) &
~(2 * IFP2IFATM(sc->ifp)->mib.max_vccs - 1);
tsra = 0;
sc->tsrb = tsra + IFP2IFATM(sc->ifp)->mib.max_vccs * 8;
sc->tsrc = sc->tsrb + IFP2IFATM(sc->ifp)->mib.max_vccs * 4;
sc->tsrd = sc->tsrc + IFP2IFATM(sc->ifp)->mib.max_vccs * 2;
tabr = sc->tsrd + IFP2IFATM(sc->ifp)->mib.max_vccs * 1;
mtpd = ((tabr + 1024) + (16 * IFP2IFATM(sc->ifp)->mib.max_vccs - 1)) &
~(16 * IFP2IFATM(sc->ifp)->mib.max_vccs - 1);
DBG(sc, ATTACH, ("rsra=%x mlbm=%x rabr=%x rsrb=%x",
rsra, mlbm, rabr, sc->rsrb));
DBG(sc, ATTACH, ("tsra=%x tsrb=%x tsrc=%x tsrd=%x tabr=%x mtpd=%x",
tsra, sc->tsrb, sc->tsrc, sc->tsrd, tabr, mtpd));
WRITE4(sc, HE_REGO_TSRB_BA, sc->tsrb);
WRITE4(sc, HE_REGO_TSRC_BA, sc->tsrc);
WRITE4(sc, HE_REGO_TSRD_BA, sc->tsrd);
WRITE4(sc, HE_REGO_TMABR_BA, tabr);
WRITE4(sc, HE_REGO_TPD_BA, mtpd);
WRITE4(sc, HE_REGO_RCMRSRB_BA, sc->rsrb);
WRITE4(sc, HE_REGO_RCMLBM_BA, mlbm);
WRITE4(sc, HE_REGO_RCMABR_BA, rabr);
BARRIER_W(sc);
}
/*
* 5.1.4 Initialize Local buffer Pools
*/
static void
hatm_init_rx_buffer_pool(struct hatm_softc *sc,
u_int num, /* bank */
u_int start, /* start row */
u_int numbuffs /* number of entries */
)
{
u_int row_size; /* bytes per row */
uint32_t row_addr; /* start address of this row */
u_int lbuf_size; /* bytes per lbuf */
u_int lbufs_per_row; /* number of lbufs per memory row */
uint32_t lbufd_index; /* index of lbuf descriptor */
uint32_t lbufd_addr; /* address of lbuf descriptor */
u_int lbuf_row_cnt; /* current lbuf in current row */
uint32_t lbuf_addr; /* address of current buffer */
u_int i;
row_size = sc->bytes_per_row;;
row_addr = start * row_size;
lbuf_size = sc->cells_per_lbuf * 48;
lbufs_per_row = sc->cells_per_row / sc->cells_per_lbuf;
/* descriptor index */
lbufd_index = num;
/* 2 words per entry */
lbufd_addr = READ4(sc, HE_REGO_RCMLBM_BA) + lbufd_index * 2;
/* write head of queue */
WRITE4(sc, HE_REGO_RLBF_H(num), lbufd_index);
lbuf_row_cnt = 0;
for (i = 0; i < numbuffs; i++) {
lbuf_addr = (row_addr + lbuf_row_cnt * lbuf_size) / 32;
WRITE_RCM4(sc, lbufd_addr, lbuf_addr);
lbufd_index += 2;
WRITE_RCM4(sc, lbufd_addr + 1, lbufd_index);
if (++lbuf_row_cnt == lbufs_per_row) {
lbuf_row_cnt = 0;
row_addr += row_size;
}
lbufd_addr += 2 * 2;
}
WRITE4(sc, HE_REGO_RLBF_T(num), lbufd_index - 2);
WRITE4(sc, HE_REGO_RLBF_C(num), numbuffs);
BARRIER_W(sc);
}
static void
hatm_init_tx_buffer_pool(struct hatm_softc *sc,
u_int start, /* start row */
u_int numbuffs /* number of entries */
)
{
u_int row_size; /* bytes per row */
uint32_t row_addr; /* start address of this row */
u_int lbuf_size; /* bytes per lbuf */
u_int lbufs_per_row; /* number of lbufs per memory row */
uint32_t lbufd_index; /* index of lbuf descriptor */
uint32_t lbufd_addr; /* address of lbuf descriptor */
u_int lbuf_row_cnt; /* current lbuf in current row */
uint32_t lbuf_addr; /* address of current buffer */
u_int i;
row_size = sc->bytes_per_row;;
row_addr = start * row_size;
lbuf_size = sc->cells_per_lbuf * 48;
lbufs_per_row = sc->cells_per_row / sc->cells_per_lbuf;
/* descriptor index */
lbufd_index = sc->r0_numbuffs + sc->r1_numbuffs;
/* 2 words per entry */
lbufd_addr = READ4(sc, HE_REGO_RCMLBM_BA) + lbufd_index * 2;
/* write head of queue */
WRITE4(sc, HE_REGO_TLBF_H, lbufd_index);
lbuf_row_cnt = 0;
for (i = 0; i < numbuffs; i++) {
lbuf_addr = (row_addr + lbuf_row_cnt * lbuf_size) / 32;
WRITE_RCM4(sc, lbufd_addr, lbuf_addr);
lbufd_index++;
WRITE_RCM4(sc, lbufd_addr + 1, lbufd_index);
if (++lbuf_row_cnt == lbufs_per_row) {
lbuf_row_cnt = 0;
row_addr += row_size;
}
lbufd_addr += 2;
}
WRITE4(sc, HE_REGO_TLBF_T, lbufd_index - 1);
BARRIER_W(sc);
}
/*
* 5.1.5 Initialize Intermediate Receive Queues
*/
static void
hatm_init_imed_queues(struct hatm_softc *sc)
{
u_int n;
if (sc->he622) {
for (n = 0; n < 8; n++) {
WRITE4(sc, HE_REGO_INMQ_S(n), 0x10*n+0x000f);
WRITE4(sc, HE_REGO_INMQ_L(n), 0x10*n+0x200f);
}
} else {
for (n = 0; n < 8; n++) {
WRITE4(sc, HE_REGO_INMQ_S(n), n);
WRITE4(sc, HE_REGO_INMQ_L(n), n+0x8);
}
}
}
/*
* 5.1.7 Init CS block
*/
static void
hatm_init_cs_block(struct hatm_softc *sc)
{
u_int n, i;
u_int clkfreg, cellrate, decr, tmp;
static const uint32_t erthr[2][5][3] = HE_REGT_CS_ERTHR;
static const uint32_t erctl[2][3] = HE_REGT_CS_ERCTL;
static const uint32_t erstat[2][2] = HE_REGT_CS_ERSTAT;
static const uint32_t rtfwr[2] = HE_REGT_CS_RTFWR;
static const uint32_t rtatr[2] = HE_REGT_CS_RTATR;
static const uint32_t bwalloc[2][6] = HE_REGT_CS_BWALLOC;
static const uint32_t orcf[2][2] = HE_REGT_CS_ORCF;
/* Clear Rate Controller Start Times and Occupied Flags */
for (n = 0; n < 32; n++)
WRITE_MBOX4(sc, HE_REGO_CS_STTIM(n), 0);
clkfreg = sc->he622 ? HE_622_CLOCK : HE_155_CLOCK;
cellrate = sc->he622 ? ATM_RATE_622M : ATM_RATE_155M;
decr = cellrate / 32;
for (n = 0; n < 16; n++) {
tmp = clkfreg / cellrate;
WRITE_MBOX4(sc, HE_REGO_CS_TGRLD(n), tmp - 1);
cellrate -= decr;
}
i = (sc->cells_per_lbuf == 2) ? 0
:(sc->cells_per_lbuf == 4) ? 1
: 2;
/* table 5.2 */
WRITE_MBOX4(sc, HE_REGO_CS_ERTHR0, erthr[sc->he622][0][i]);
WRITE_MBOX4(sc, HE_REGO_CS_ERTHR1, erthr[sc->he622][1][i]);
WRITE_MBOX4(sc, HE_REGO_CS_ERTHR2, erthr[sc->he622][2][i]);
WRITE_MBOX4(sc, HE_REGO_CS_ERTHR3, erthr[sc->he622][3][i]);
WRITE_MBOX4(sc, HE_REGO_CS_ERTHR4, erthr[sc->he622][4][i]);
WRITE_MBOX4(sc, HE_REGO_CS_ERCTL0, erctl[sc->he622][0]);
WRITE_MBOX4(sc, HE_REGO_CS_ERCTL1, erctl[sc->he622][1]);
WRITE_MBOX4(sc, HE_REGO_CS_ERCTL2, erctl[sc->he622][2]);
WRITE_MBOX4(sc, HE_REGO_CS_ERSTAT0, erstat[sc->he622][0]);
WRITE_MBOX4(sc, HE_REGO_CS_ERSTAT1, erstat[sc->he622][1]);
WRITE_MBOX4(sc, HE_REGO_CS_RTFWR, rtfwr[sc->he622]);
WRITE_MBOX4(sc, HE_REGO_CS_RTATR, rtatr[sc->he622]);
WRITE_MBOX4(sc, HE_REGO_CS_TFBSET, bwalloc[sc->he622][0]);
WRITE_MBOX4(sc, HE_REGO_CS_WCRMAX, bwalloc[sc->he622][1]);
WRITE_MBOX4(sc, HE_REGO_CS_WCRMIN, bwalloc[sc->he622][2]);
WRITE_MBOX4(sc, HE_REGO_CS_WCRINC, bwalloc[sc->he622][3]);
WRITE_MBOX4(sc, HE_REGO_CS_WCRDEC, bwalloc[sc->he622][4]);
WRITE_MBOX4(sc, HE_REGO_CS_WCRCEIL, bwalloc[sc->he622][5]);
WRITE_MBOX4(sc, HE_REGO_CS_OTPPER, orcf[sc->he622][0]);
WRITE_MBOX4(sc, HE_REGO_CS_OTWPER, orcf[sc->he622][1]);
WRITE_MBOX4(sc, HE_REGO_CS_OTTLIM, 8);
for (n = 0; n < 8; n++)
WRITE_MBOX4(sc, HE_REGO_CS_HGRRT(n), 0);
}
/*
* 5.1.8 CS Block Connection Memory Initialisation
*/
static void
hatm_init_cs_block_cm(struct hatm_softc *sc)
{
u_int n, i;
u_int expt, mant, etrm, wcr, ttnrm, tnrm;
uint32_t rate;
uint32_t clkfreq, cellrate, decr;
uint32_t *rg, rtg, val = 0;
uint64_t drate;
u_int buf, buf_limit;
uint32_t base = READ4(sc, HE_REGO_RCMABR_BA);
for (n = 0; n < HE_REGL_CM_GQTBL; n++)
WRITE_RCM4(sc, base + HE_REGO_CM_GQTBL + n, 0);
for (n = 0; n < HE_REGL_CM_RGTBL; n++)
WRITE_RCM4(sc, base + HE_REGO_CM_RGTBL + n, 0);
tnrm = 0;
for (n = 0; n < HE_REGL_CM_TNRMTBL * 4; n++) {
expt = (n >> 5) & 0x1f;
mant = ((n & 0x18) << 4) | 0x7f;
wcr = (1 << expt) * (mant + 512) / 512;
etrm = n & 0x7;
ttnrm = wcr / 10 / (1 << etrm);
if (ttnrm > 255)
ttnrm = 255;
else if(ttnrm < 2)
ttnrm = 2;
tnrm = (tnrm << 8) | (ttnrm & 0xff);
if (n % 4 == 0)
WRITE_RCM4(sc, base + HE_REGO_CM_TNRMTBL + (n/4), tnrm);
}
clkfreq = sc->he622 ? HE_622_CLOCK : HE_155_CLOCK;
buf_limit = 4;
cellrate = sc->he622 ? ATM_RATE_622M : ATM_RATE_155M;
decr = cellrate / 32;
/* compute GRID top row in 1000 * cps */
for (n = 0; n < 16; n++) {
u_int interval = clkfreq / cellrate;
sc->rate_grid[0][n] = (u_int64_t)clkfreq * 1000 / interval;
cellrate -= decr;
}
/* compute the other rows according to 2.4 */
for (i = 1; i < 16; i++)
for (n = 0; n < 16; n++)
sc->rate_grid[i][n] = sc->rate_grid[i-1][n] /
((i < 14) ? 2 : 4);
/* first entry is line rate */
n = hatm_cps2atmf(sc->he622 ? ATM_RATE_622M : ATM_RATE_155M);
expt = (n >> 9) & 0x1f;
mant = n & 0x1f0;
sc->rate_grid[0][0] = (u_int64_t)(1<<expt) * 1000 * (mant+512) / 512;
/* now build the conversion table - each 32 bit word contains
* two entries - this gives a total of 0x400 16 bit entries.
* This table maps the truncated ATMF rate version into a grid index */
cellrate = sc->he622 ? ATM_RATE_622M : ATM_RATE_155M;
rg = &sc->rate_grid[15][15];
for (rate = 0; rate < 2 * HE_REGL_CM_RTGTBL; rate++) {
/* unpack the ATMF rate */
expt = rate >> 5;
mant = (rate & 0x1f) << 4;
/* get the cell rate - minimum is 10 per second */
drate = (uint64_t)(1 << expt) * 1000 * (mant + 512) / 512;
if (drate < 10 * 1000)
drate = 10 * 1000;
/* now look up the grid index */
while (drate >= *rg && rg-- > &sc->rate_grid[0][0])
;
rg++;
rtg = rg - &sc->rate_grid[0][0];
/* now compute the buffer limit */
buf = drate * sc->tx_numbuffs / (cellrate * 2) / 1000;
if (buf == 0)
buf = 1;
else if (buf > buf_limit)
buf = buf_limit;
/* make value */
val = (val << 16) | (rtg << 8) | buf;
/* write */
if (rate % 2 == 1)
WRITE_RCM4(sc, base + HE_REGO_CM_RTGTBL + rate/2, val);
}
}
/*
* Clear an unused receive group buffer pool
*/
static void
hatm_clear_rpool(struct hatm_softc *sc, u_int group, u_int large)
{
WRITE4(sc, HE_REGO_RBP_S(large, group), 0);
WRITE4(sc, HE_REGO_RBP_T(large, group), 0);
WRITE4(sc, HE_REGO_RBP_QI(large, group), 1);
WRITE4(sc, HE_REGO_RBP_BL(large, group), 0);
}
/*
* Initialize a receive group buffer pool
*/
static void
hatm_init_rpool(struct hatm_softc *sc, struct herbp *q, u_int group,
u_int large)
{
if (q->size == 0) {
hatm_clear_rpool(sc, group, large);
return;
}
bzero(q->mem.base, q->mem.size);
q->rbp = q->mem.base;
q->head = q->tail = 0;
DBG(sc, ATTACH, ("RBP%u%c=0x%lx", group, "SL"[large],
(u_long)q->mem.paddr));
WRITE4(sc, HE_REGO_RBP_S(large, group), q->mem.paddr);
WRITE4(sc, HE_REGO_RBP_T(large, group), 0);
WRITE4(sc, HE_REGO_RBP_QI(large, group),
((q->size - 1) << HE_REGS_RBP_SIZE) |
HE_REGM_RBP_INTR_ENB |
(q->thresh << HE_REGS_RBP_THRESH));
WRITE4(sc, HE_REGO_RBP_BL(large, group), (q->bsize >> 2) & ~1);
}
/*
* Clear an unused receive buffer return queue
*/
static void
hatm_clear_rbrq(struct hatm_softc *sc, u_int group)
{
WRITE4(sc, HE_REGO_RBRQ_ST(group), 0);
WRITE4(sc, HE_REGO_RBRQ_H(group), 0);
WRITE4(sc, HE_REGO_RBRQ_Q(group), (1 << HE_REGS_RBRQ_THRESH));
WRITE4(sc, HE_REGO_RBRQ_I(group), 0);
}
/*
* Initialize receive buffer return queue
*/
static void
hatm_init_rbrq(struct hatm_softc *sc, struct herbrq *rq, u_int group)
{
if (rq->size == 0) {
hatm_clear_rbrq(sc, group);
return;
}
rq->rbrq = rq->mem.base;
rq->head = 0;
DBG(sc, ATTACH, ("RBRQ%u=0x%lx", group, (u_long)rq->mem.paddr));
WRITE4(sc, HE_REGO_RBRQ_ST(group), rq->mem.paddr);
WRITE4(sc, HE_REGO_RBRQ_H(group), 0);
WRITE4(sc, HE_REGO_RBRQ_Q(group),
(rq->thresh << HE_REGS_RBRQ_THRESH) |
((rq->size - 1) << HE_REGS_RBRQ_SIZE));
WRITE4(sc, HE_REGO_RBRQ_I(group),
(rq->tout << HE_REGS_RBRQ_TIME) |
(rq->pcnt << HE_REGS_RBRQ_COUNT));
}
/*
* Clear an unused transmit buffer return queue N
*/
static void
hatm_clear_tbrq(struct hatm_softc *sc, u_int group)
{
WRITE4(sc, HE_REGO_TBRQ_B_T(group), 0);
WRITE4(sc, HE_REGO_TBRQ_H(group), 0);
WRITE4(sc, HE_REGO_TBRQ_S(group), 0);
WRITE4(sc, HE_REGO_TBRQ_THRESH(group), 1);
}
/*
* Initialize transmit buffer return queue N
*/
static void
hatm_init_tbrq(struct hatm_softc *sc, struct hetbrq *tq, u_int group)
{
if (tq->size == 0) {
hatm_clear_tbrq(sc, group);
return;
}
tq->tbrq = tq->mem.base;
tq->head = 0;
DBG(sc, ATTACH, ("TBRQ%u=0x%lx", group, (u_long)tq->mem.paddr));
WRITE4(sc, HE_REGO_TBRQ_B_T(group), tq->mem.paddr);
WRITE4(sc, HE_REGO_TBRQ_H(group), 0);
WRITE4(sc, HE_REGO_TBRQ_S(group), tq->size - 1);
WRITE4(sc, HE_REGO_TBRQ_THRESH(group), tq->thresh);
}
/*
* Initialize TPDRQ
*/
static void
hatm_init_tpdrq(struct hatm_softc *sc)
{
struct hetpdrq *tq;
tq = &sc->tpdrq;
tq->tpdrq = tq->mem.base;
tq->tail = tq->head = 0;
DBG(sc, ATTACH, ("TPDRQ=0x%lx", (u_long)tq->mem.paddr));
WRITE4(sc, HE_REGO_TPDRQ_H, tq->mem.paddr);
WRITE4(sc, HE_REGO_TPDRQ_T, 0);
WRITE4(sc, HE_REGO_TPDRQ_S, tq->size - 1);
}
/*
* Function can be called by the infrastructure to start the card.
*/
static void
hatm_init(void *p)
{
struct hatm_softc *sc = p;
mtx_lock(&sc->mtx);
hatm_stop(sc);
hatm_initialize(sc);
mtx_unlock(&sc->mtx);
}
enum {
CTL_ISTATS,
};
/*
* Sysctl handler
*/
static int
hatm_sysctl(SYSCTL_HANDLER_ARGS)
{
struct hatm_softc *sc = arg1;
uint32_t *ret;
int error;
size_t len;
switch (arg2) {
case CTL_ISTATS:
len = sizeof(sc->istats);
break;
default:
panic("bad control code");
}
ret = malloc(len, M_TEMP, M_WAITOK);
mtx_lock(&sc->mtx);
switch (arg2) {
case CTL_ISTATS:
sc->istats.mcc += READ4(sc, HE_REGO_MCC);
sc->istats.oec += READ4(sc, HE_REGO_OEC);
sc->istats.dcc += READ4(sc, HE_REGO_DCC);
sc->istats.cec += READ4(sc, HE_REGO_CEC);
bcopy(&sc->istats, ret, sizeof(sc->istats));
break;
}
mtx_unlock(&sc->mtx);
error = SYSCTL_OUT(req, ret, len);
free(ret, M_TEMP);
return (error);
}
static int
kenv_getuint(struct hatm_softc *sc, const char *var,
u_int *ptr, u_int def, int rw)
{
char full[IFNAMSIZ + 3 + 20];
char *val, *end;
u_int u;
*ptr = def;
if (SYSCTL_ADD_UINT(&sc->sysctl_ctx, SYSCTL_CHILDREN(sc->sysctl_tree),
OID_AUTO, var, rw ? CTLFLAG_RW : CTLFLAG_RD, ptr, 0, "") == NULL)
return (ENOMEM);
snprintf(full, sizeof(full), "hw.%s.%s",
device_get_nameunit(sc->dev), var);
if ((val = getenv(full)) == NULL)
return (0);
u = strtoul(val, &end, 0);
if (end == val || *end != '\0') {
freeenv(val);
return (EINVAL);
}
if (bootverbose)
if_printf(sc->ifp, "%s=%u\n", full, u);
*ptr = u;
return (0);
}
/*
* Set configurable parameters. Many of these are configurable via
* kenv.
*/
static int
hatm_configure(struct hatm_softc *sc)
{
/* Receive buffer pool 0 small */
kenv_getuint(sc, "rbps0_size", &sc->rbp_s0.size,
HE_CONFIG_RBPS0_SIZE, 0);
kenv_getuint(sc, "rbps0_thresh", &sc->rbp_s0.thresh,
HE_CONFIG_RBPS0_THRESH, 0);
sc->rbp_s0.bsize = MBUF0_SIZE;
/* Receive buffer pool 0 large */
kenv_getuint(sc, "rbpl0_size", &sc->rbp_l0.size,
HE_CONFIG_RBPL0_SIZE, 0);
kenv_getuint(sc, "rbpl0_thresh", &sc->rbp_l0.thresh,
HE_CONFIG_RBPL0_THRESH, 0);
sc->rbp_l0.bsize = MCLBYTES - MBUFL_OFFSET;
/* Receive buffer return queue 0 */
kenv_getuint(sc, "rbrq0_size", &sc->rbrq_0.size,
HE_CONFIG_RBRQ0_SIZE, 0);
kenv_getuint(sc, "rbrq0_thresh", &sc->rbrq_0.thresh,
HE_CONFIG_RBRQ0_THRESH, 0);
kenv_getuint(sc, "rbrq0_tout", &sc->rbrq_0.tout,
HE_CONFIG_RBRQ0_TOUT, 0);
kenv_getuint(sc, "rbrq0_pcnt", &sc->rbrq_0.pcnt,
HE_CONFIG_RBRQ0_PCNT, 0);
/* Receive buffer pool 1 small */
kenv_getuint(sc, "rbps1_size", &sc->rbp_s1.size,
HE_CONFIG_RBPS1_SIZE, 0);
kenv_getuint(sc, "rbps1_thresh", &sc->rbp_s1.thresh,
HE_CONFIG_RBPS1_THRESH, 0);
sc->rbp_s1.bsize = MBUF1_SIZE;
/* Receive buffer return queue 1 */
kenv_getuint(sc, "rbrq1_size", &sc->rbrq_1.size,
HE_CONFIG_RBRQ1_SIZE, 0);
kenv_getuint(sc, "rbrq1_thresh", &sc->rbrq_1.thresh,
HE_CONFIG_RBRQ1_THRESH, 0);
kenv_getuint(sc, "rbrq1_tout", &sc->rbrq_1.tout,
HE_CONFIG_RBRQ1_TOUT, 0);
kenv_getuint(sc, "rbrq1_pcnt", &sc->rbrq_1.pcnt,
HE_CONFIG_RBRQ1_PCNT, 0);
/* Interrupt queue 0 */
kenv_getuint(sc, "irq0_size", &sc->irq_0.size,
HE_CONFIG_IRQ0_SIZE, 0);
kenv_getuint(sc, "irq0_thresh", &sc->irq_0.thresh,
HE_CONFIG_IRQ0_THRESH, 0);
sc->irq_0.line = HE_CONFIG_IRQ0_LINE;
/* Transmit buffer return queue 0 */
kenv_getuint(sc, "tbrq0_size", &sc->tbrq.size,
HE_CONFIG_TBRQ_SIZE, 0);
kenv_getuint(sc, "tbrq0_thresh", &sc->tbrq.thresh,
HE_CONFIG_TBRQ_THRESH, 0);
/* Transmit buffer ready queue */
kenv_getuint(sc, "tpdrq_size", &sc->tpdrq.size,
HE_CONFIG_TPDRQ_SIZE, 0);
/* Max TPDs per VCC */
kenv_getuint(sc, "tpdmax", &sc->max_tpd,
HE_CONFIG_TPD_MAXCC, 0);
/* external mbuf pages */
kenv_getuint(sc, "max_mbuf_pages", &sc->mbuf_max_pages,
HE_CONFIG_MAX_MBUF_PAGES, 0);
/* mpsafe */
kenv_getuint(sc, "mpsafe", &sc->mpsafe, 0, 0);
if (sc->mpsafe != 0)
sc->mpsafe = INTR_MPSAFE;
return (0);
}
#ifdef HATM_DEBUG
/*
* Get TSRs from connection memory
*/
static int
hatm_sysctl_tsr(SYSCTL_HANDLER_ARGS)
{
struct hatm_softc *sc = arg1;
int error, i, j;
uint32_t *val;
val = malloc(sizeof(uint32_t) * HE_MAX_VCCS * 15, M_TEMP, M_WAITOK);
mtx_lock(&sc->mtx);
for (i = 0; i < HE_MAX_VCCS; i++)
for (j = 0; j <= 14; j++)
val[15 * i + j] = READ_TSR(sc, i, j);
mtx_unlock(&sc->mtx);
error = SYSCTL_OUT(req, val, sizeof(uint32_t) * HE_MAX_VCCS * 15);
free(val, M_TEMP);
if (error != 0 || req->newptr == NULL)
return (error);
return (EPERM);
}
/*
* Get TPDs from connection memory
*/
static int
hatm_sysctl_tpd(SYSCTL_HANDLER_ARGS)
{
struct hatm_softc *sc = arg1;
int error, i, j;
uint32_t *val;
val = malloc(sizeof(uint32_t) * HE_MAX_VCCS * 16, M_TEMP, M_WAITOK);
mtx_lock(&sc->mtx);
for (i = 0; i < HE_MAX_VCCS; i++)
for (j = 0; j < 16; j++)
val[16 * i + j] = READ_TCM4(sc, 16 * i + j);
mtx_unlock(&sc->mtx);
error = SYSCTL_OUT(req, val, sizeof(uint32_t) * HE_MAX_VCCS * 16);
free(val, M_TEMP);
if (error != 0 || req->newptr == NULL)
return (error);
return (EPERM);
}
/*
* Get mbox registers
*/
static int
hatm_sysctl_mbox(SYSCTL_HANDLER_ARGS)
{
struct hatm_softc *sc = arg1;
int error, i;
uint32_t *val;
val = malloc(sizeof(uint32_t) * HE_REGO_CS_END, M_TEMP, M_WAITOK);
mtx_lock(&sc->mtx);
for (i = 0; i < HE_REGO_CS_END; i++)
val[i] = READ_MBOX4(sc, i);
mtx_unlock(&sc->mtx);
error = SYSCTL_OUT(req, val, sizeof(uint32_t) * HE_REGO_CS_END);
free(val, M_TEMP);
if (error != 0 || req->newptr == NULL)
return (error);
return (EPERM);
}
/*
* Get connection memory
*/
static int
hatm_sysctl_cm(SYSCTL_HANDLER_ARGS)
{
struct hatm_softc *sc = arg1;
int error, i;
uint32_t *val;
val = malloc(sizeof(uint32_t) * (HE_CONFIG_RXMEM + 1), M_TEMP, M_WAITOK);
mtx_lock(&sc->mtx);
val[0] = READ4(sc, HE_REGO_RCMABR_BA);
for (i = 0; i < HE_CONFIG_RXMEM; i++)
val[i + 1] = READ_RCM4(sc, i);
mtx_unlock(&sc->mtx);
error = SYSCTL_OUT(req, val, sizeof(uint32_t) * (HE_CONFIG_RXMEM + 1));
free(val, M_TEMP);
if (error != 0 || req->newptr == NULL)
return (error);
return (EPERM);
}
/*
* Get local buffer memory
*/
static int
hatm_sysctl_lbmem(SYSCTL_HANDLER_ARGS)
{
struct hatm_softc *sc = arg1;
int error, i;
uint32_t *val;
u_int bytes = (1 << 21);
val = malloc(bytes, M_TEMP, M_WAITOK);
mtx_lock(&sc->mtx);
for (i = 0; i < bytes / 4; i++)
val[i] = READ_LB4(sc, i);
mtx_unlock(&sc->mtx);
error = SYSCTL_OUT(req, val, bytes);
free(val, M_TEMP);
if (error != 0 || req->newptr == NULL)
return (error);
return (EPERM);
}
/*
* Get all card registers
*/
static int
hatm_sysctl_heregs(SYSCTL_HANDLER_ARGS)
{
struct hatm_softc *sc = arg1;
int error, i;
uint32_t *val;
val = malloc(HE_REGO_END, M_TEMP, M_WAITOK);
mtx_lock(&sc->mtx);
for (i = 0; i < HE_REGO_END; i += 4)
val[i / 4] = READ4(sc, i);
mtx_unlock(&sc->mtx);
error = SYSCTL_OUT(req, val, HE_REGO_END);
free(val, M_TEMP);
if (error != 0 || req->newptr == NULL)
return (error);
return (EPERM);
}
#endif
/*
* Suni register access
*/
/*
* read at most n SUNI registers starting at reg into val
*/
static int
hatm_utopia_readregs(struct ifatm *ifatm, u_int reg, uint8_t *val, u_int *n)
{
u_int i;
struct hatm_softc *sc = ifatm->ifp->if_softc;
if (reg >= (HE_REGO_SUNI_END - HE_REGO_SUNI) / 4)
return (EINVAL);
if (reg + *n > (HE_REGO_SUNI_END - HE_REGO_SUNI) / 4)
*n = reg - (HE_REGO_SUNI_END - HE_REGO_SUNI) / 4;
mtx_assert(&sc->mtx, MA_OWNED);
for (i = 0; i < *n; i++)
val[i] = READ4(sc, HE_REGO_SUNI + 4 * (reg + i));
return (0);
}
/*
* change the bits given by mask to them in val in register reg
*/
static int
hatm_utopia_writereg(struct ifatm *ifatm, u_int reg, u_int mask, u_int val)
{
uint32_t regval;
struct hatm_softc *sc = ifatm->ifp->if_softc;
if (reg >= (HE_REGO_SUNI_END - HE_REGO_SUNI) / 4)
return (EINVAL);
mtx_assert(&sc->mtx, MA_OWNED);
regval = READ4(sc, HE_REGO_SUNI + 4 * reg);
regval = (regval & ~mask) | (val & mask);
WRITE4(sc, HE_REGO_SUNI + 4 * reg, regval);
return (0);
}
static struct utopia_methods hatm_utopia_methods = {
hatm_utopia_readregs,
hatm_utopia_writereg,
};
/*
* Detach - if it is running, stop. Destroy.
*/
static int
hatm_detach(device_t dev)
{
struct hatm_softc *sc = device_get_softc(dev);
mtx_lock(&sc->mtx);
hatm_stop(sc);
if (sc->utopia.state & UTP_ST_ATTACHED) {
utopia_stop(&sc->utopia);
utopia_detach(&sc->utopia);
}
mtx_unlock(&sc->mtx);
atm_ifdetach(sc->ifp);
hatm_destroy(sc);
return (0);
}
/*
* Attach to the device. Assume that no locking is needed here.
* All resource we allocate here are freed by calling hatm_destroy.
*/
static int
hatm_attach(device_t dev)
{
struct hatm_softc *sc;
int error;
uint32_t v;
struct ifnet *ifp;
sc = device_get_softc(dev);
ifp = sc->ifp = if_alloc(IFT_ATM);
if (ifp == NULL) {
device_printf(dev, "could not if_alloc()\n");
return (ENOSPC);
}
sc->dev = dev;
IFP2IFATM(sc->ifp)->mib.device = ATM_DEVICE_HE155;
IFP2IFATM(sc->ifp)->mib.serial = 0;
IFP2IFATM(sc->ifp)->mib.hw_version = 0;
IFP2IFATM(sc->ifp)->mib.sw_version = 0;
IFP2IFATM(sc->ifp)->mib.vpi_bits = HE_CONFIG_VPI_BITS;
IFP2IFATM(sc->ifp)->mib.vci_bits = HE_CONFIG_VCI_BITS;
IFP2IFATM(sc->ifp)->mib.max_vpcs = 0;
IFP2IFATM(sc->ifp)->mib.max_vccs = HE_MAX_VCCS;
IFP2IFATM(sc->ifp)->mib.media = IFM_ATM_UNKNOWN;
sc->he622 = 0;
IFP2IFATM(sc->ifp)->phy = &sc->utopia;
SLIST_INIT(&sc->tpd_free);
mtx_init(&sc->mtx, device_get_nameunit(dev), MTX_NETWORK_LOCK, MTX_DEF);
cv_init(&sc->vcc_cv, "HEVCCcv");
cv_init(&sc->cv_rcclose, "RCClose");
sysctl_ctx_init(&sc->sysctl_ctx);
/*
* 4.2 BIOS Configuration
*/
v = pci_read_config(dev, PCIR_COMMAND, 2);
v |= PCIM_CMD_MEMEN | PCIM_CMD_BUSMASTEREN | PCIM_CMD_MWRICEN;
pci_write_config(dev, PCIR_COMMAND, v, 2);
/*
* 4.3 PCI Bus Controller-Specific Initialisation
*/
v = pci_read_config(dev, HE_PCIR_GEN_CNTL_0, 4);
v |= HE_PCIM_CTL0_MRL | HE_PCIM_CTL0_MRM | HE_PCIM_CTL0_IGNORE_TIMEOUT;
#if BYTE_ORDER == BIG_ENDIAN && 0
v |= HE_PCIM_CTL0_BIGENDIAN;
#endif
pci_write_config(dev, HE_PCIR_GEN_CNTL_0, v, 4);
/*
* Map memory
*/
v = pci_read_config(dev, PCIR_COMMAND, 2);
if (!(v & PCIM_CMD_MEMEN)) {
device_printf(dev, "failed to enable memory\n");
error = ENXIO;
goto failed;
}
sc->memid = PCIR_BAR(0);
sc->memres = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &sc->memid,
RF_ACTIVE);
if (sc->memres == NULL) {
device_printf(dev, "could not map memory\n");
error = ENXIO;
goto failed;
}
sc->memh = rman_get_bushandle(sc->memres);
sc->memt = rman_get_bustag(sc->memres);
/*
* ALlocate a DMA tag for subsequent allocations
*/
if (bus_dma_tag_create(NULL, 1, 0,
BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR,
NULL, NULL,
BUS_SPACE_MAXSIZE_32BIT, 1,
BUS_SPACE_MAXSIZE_32BIT, 0,
NULL, NULL, &sc->parent_tag)) {
device_printf(dev, "could not allocate DMA tag\n");
error = ENOMEM;
goto failed;
}
if (bus_dma_tag_create(sc->parent_tag, 1, 0,
BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR,
NULL, NULL,
MBUF_ALLOC_SIZE, 1,
MBUF_ALLOC_SIZE, 0,
NULL, NULL, &sc->mbuf_tag)) {
device_printf(dev, "could not allocate mbuf DMA tag\n");
error = ENOMEM;
goto failed;
}
/*
* Allocate a DMA tag for packets to send. Here we have a problem with
* the specification of the maximum number of segments. Theoretically
* this would be the size of the transmit ring - 1 multiplied by 3,
* but this would not work. So make the maximum number of TPDs
* occupied by one packet a configuration parameter.
*/
if (bus_dma_tag_create(NULL, 1, 0,
BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
HE_MAX_PDU, 3 * HE_CONFIG_MAX_TPD_PER_PACKET, HE_MAX_PDU, 0,
NULL, NULL, &sc->tx_tag)) {
device_printf(dev, "could not allocate TX tag\n");
error = ENOMEM;
goto failed;
}
/*
* Setup the interrupt
*/
sc->irqid = 0;
sc->irqres = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irqid,
RF_SHAREABLE | RF_ACTIVE);
if (sc->irqres == 0) {
device_printf(dev, "could not allocate irq\n");
error = ENXIO;
goto failed;
}
ifp->if_softc = sc;
if_initname(ifp, device_get_name(dev), device_get_unit(dev));
/*
* Make the sysctl tree
*/
error = ENOMEM;
if ((sc->sysctl_tree = SYSCTL_ADD_NODE(&sc->sysctl_ctx,
SYSCTL_STATIC_CHILDREN(_hw_atm), OID_AUTO,
device_get_nameunit(dev), CTLFLAG_RD, 0, "")) == NULL)
goto failed;
if (SYSCTL_ADD_PROC(&sc->sysctl_ctx, SYSCTL_CHILDREN(sc->sysctl_tree),
OID_AUTO, "istats", CTLFLAG_RD | CTLTYPE_OPAQUE, sc, CTL_ISTATS,
hatm_sysctl, "LU", "internal statistics") == NULL)
goto failed;
#ifdef HATM_DEBUG
if (SYSCTL_ADD_PROC(&sc->sysctl_ctx, SYSCTL_CHILDREN(sc->sysctl_tree),
OID_AUTO, "tsr", CTLFLAG_RD | CTLTYPE_OPAQUE, sc, 0,
hatm_sysctl_tsr, "S", "transmission status registers") == NULL)
goto failed;
if (SYSCTL_ADD_PROC(&sc->sysctl_ctx, SYSCTL_CHILDREN(sc->sysctl_tree),
OID_AUTO, "tpd", CTLFLAG_RD | CTLTYPE_OPAQUE, sc, 0,
hatm_sysctl_tpd, "S", "transmission packet descriptors") == NULL)
goto failed;
if (SYSCTL_ADD_PROC(&sc->sysctl_ctx, SYSCTL_CHILDREN(sc->sysctl_tree),
OID_AUTO, "mbox", CTLFLAG_RD | CTLTYPE_OPAQUE, sc, 0,
hatm_sysctl_mbox, "S", "mbox registers") == NULL)
goto failed;
if (SYSCTL_ADD_PROC(&sc->sysctl_ctx, SYSCTL_CHILDREN(sc->sysctl_tree),
OID_AUTO, "cm", CTLFLAG_RD | CTLTYPE_OPAQUE, sc, 0,
hatm_sysctl_cm, "S", "connection memory") == NULL)
goto failed;
if (SYSCTL_ADD_PROC(&sc->sysctl_ctx, SYSCTL_CHILDREN(sc->sysctl_tree),
OID_AUTO, "heregs", CTLFLAG_RD | CTLTYPE_OPAQUE, sc, 0,
hatm_sysctl_heregs, "S", "card registers") == NULL)
goto failed;
if (SYSCTL_ADD_PROC(&sc->sysctl_ctx, SYSCTL_CHILDREN(sc->sysctl_tree),
OID_AUTO, "lbmem", CTLFLAG_RD | CTLTYPE_OPAQUE, sc, 0,
hatm_sysctl_lbmem, "S", "local memory") == NULL)
goto failed;
kenv_getuint(sc, "debug", &sc->debug, HATM_DEBUG, 1);
#endif
/*
* Configure
*/
if ((error = hatm_configure(sc)) != 0)
goto failed;
/*
* Compute memory parameters
*/
if (sc->rbp_s0.size != 0) {
sc->rbp_s0.mask = (sc->rbp_s0.size - 1) << 3;
sc->rbp_s0.mem.size = sc->rbp_s0.size * 8;
sc->rbp_s0.mem.align = sc->rbp_s0.mem.size;
}
if (sc->rbp_l0.size != 0) {
sc->rbp_l0.mask = (sc->rbp_l0.size - 1) << 3;
sc->rbp_l0.mem.size = sc->rbp_l0.size * 8;
sc->rbp_l0.mem.align = sc->rbp_l0.mem.size;
}
if (sc->rbp_s1.size != 0) {
sc->rbp_s1.mask = (sc->rbp_s1.size - 1) << 3;
sc->rbp_s1.mem.size = sc->rbp_s1.size * 8;
sc->rbp_s1.mem.align = sc->rbp_s1.mem.size;
}
if (sc->rbrq_0.size != 0) {
sc->rbrq_0.mem.size = sc->rbrq_0.size * 8;
sc->rbrq_0.mem.align = sc->rbrq_0.mem.size;
}
if (sc->rbrq_1.size != 0) {
sc->rbrq_1.mem.size = sc->rbrq_1.size * 8;
sc->rbrq_1.mem.align = sc->rbrq_1.mem.size;
}
sc->irq_0.mem.size = sc->irq_0.size * sizeof(uint32_t);
sc->irq_0.mem.align = 4 * 1024;
sc->tbrq.mem.size = sc->tbrq.size * 4;
sc->tbrq.mem.align = 2 * sc->tbrq.mem.size; /* ZZZ */
sc->tpdrq.mem.size = sc->tpdrq.size * 8;
sc->tpdrq.mem.align = sc->tpdrq.mem.size;
sc->hsp_mem.size = sizeof(struct he_hsp);
sc->hsp_mem.align = 1024;
sc->lbufs_size = sc->rbp_l0.size + sc->rbrq_0.size;
sc->tpd_total = sc->tbrq.size + sc->tpdrq.size;
sc->tpds.align = 64;
sc->tpds.size = sc->tpd_total * HE_TPD_SIZE;
hatm_init_rmaps(sc);
hatm_init_smbufs(sc);
if ((error = hatm_init_tpds(sc)) != 0)
goto failed;
/*
* Allocate memory
*/
if ((error = hatm_alloc_dmamem(sc, "IRQ", &sc->irq_0.mem)) != 0 ||
(error = hatm_alloc_dmamem(sc, "TBRQ0", &sc->tbrq.mem)) != 0 ||
(error = hatm_alloc_dmamem(sc, "TPDRQ", &sc->tpdrq.mem)) != 0 ||
(error = hatm_alloc_dmamem(sc, "HSP", &sc->hsp_mem)) != 0)
goto failed;
if (sc->rbp_s0.mem.size != 0 &&
(error = hatm_alloc_dmamem(sc, "RBPS0", &sc->rbp_s0.mem)))
goto failed;
if (sc->rbp_l0.mem.size != 0 &&
(error = hatm_alloc_dmamem(sc, "RBPL0", &sc->rbp_l0.mem)))
goto failed;
if (sc->rbp_s1.mem.size != 0 &&
(error = hatm_alloc_dmamem(sc, "RBPS1", &sc->rbp_s1.mem)))
goto failed;
if (sc->rbrq_0.mem.size != 0 &&
(error = hatm_alloc_dmamem(sc, "RBRQ0", &sc->rbrq_0.mem)))
goto failed;
if (sc->rbrq_1.mem.size != 0 &&
(error = hatm_alloc_dmamem(sc, "RBRQ1", &sc->rbrq_1.mem)))
goto failed;
if ((sc->vcc_zone = uma_zcreate("HE vccs", sizeof(struct hevcc),
NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, 0)) == NULL) {
device_printf(dev, "cannot allocate zone for vccs\n");
goto failed;
}
/*
* 4.4 Reset the card.
*/
if ((error = hatm_reset(sc)) != 0)
goto failed;
/*
* Read the prom.
*/
hatm_init_bus_width(sc);
hatm_init_read_eeprom(sc);
hatm_init_endianess(sc);
/*
* Initialize interface
*/
ifp->if_flags = IFF_SIMPLEX;
ifp->if_ioctl = hatm_ioctl;
ifp->if_start = hatm_start;
ifp->if_init = hatm_init;
utopia_attach(&sc->utopia, IFP2IFATM(sc->ifp), &sc->media, &sc->mtx,
&sc->sysctl_ctx, SYSCTL_CHILDREN(sc->sysctl_tree),
&hatm_utopia_methods);
utopia_init_media(&sc->utopia);
/* these two SUNI routines need the lock */
mtx_lock(&sc->mtx);
/* poll while we are not running */
sc->utopia.flags |= UTP_FL_POLL_CARRIER;
utopia_start(&sc->utopia);
utopia_reset(&sc->utopia);
mtx_unlock(&sc->mtx);
atm_ifattach(ifp);
#ifdef ENABLE_BPF
bpfattach(ifp, DLT_ATM_RFC1483, sizeof(struct atmllc));
#endif
error = bus_setup_intr(dev, sc->irqres, sc->mpsafe | INTR_TYPE_NET,
NULL, hatm_intr, &sc->irq_0, &sc->ih);
if (error != 0) {
device_printf(dev, "could not setup interrupt\n");
hatm_detach(dev);
return (error);
}
return (0);
failed:
hatm_destroy(sc);
return (error);
}
/*
* Start the interface. Assume a state as from attach().
*/
void
hatm_initialize(struct hatm_softc *sc)
{
uint32_t v;
u_int cid;
static const u_int layout[2][7] = HE_CONFIG_MEM_LAYOUT;
if (sc->ifp->if_drv_flags & IFF_DRV_RUNNING)
return;
hatm_init_bus_width(sc);
hatm_init_endianess(sc);
if_printf(sc->ifp, "%s, Rev. %s, S/N %u, "
"MAC=%02x:%02x:%02x:%02x:%02x:%02x (%ubit PCI)\n",
sc->prod_id, sc->rev, IFP2IFATM(sc->ifp)->mib.serial,
IFP2IFATM(sc->ifp)->mib.esi[0], IFP2IFATM(sc->ifp)->mib.esi[1], IFP2IFATM(sc->ifp)->mib.esi[2],
IFP2IFATM(sc->ifp)->mib.esi[3], IFP2IFATM(sc->ifp)->mib.esi[4], IFP2IFATM(sc->ifp)->mib.esi[5],
sc->pci64 ? 64 : 32);
/*
* 4.8 SDRAM Controller Initialisation
* 4.9 Initialize RNUM value
*/
if (sc->he622)
WRITE4(sc, HE_REGO_SDRAM_CNTL, HE_REGM_SDRAM_64BIT);
else
WRITE4(sc, HE_REGO_SDRAM_CNTL, 0);
BARRIER_W(sc);
v = READ4(sc, HE_REGO_LB_SWAP);
BARRIER_R(sc);
v |= 0xf << HE_REGS_LBSWAP_RNUM;
WRITE4(sc, HE_REGO_LB_SWAP, v);
BARRIER_W(sc);
hatm_init_irq(sc, &sc->irq_0, 0);
hatm_clear_irq(sc, 1);
hatm_clear_irq(sc, 2);
hatm_clear_irq(sc, 3);
WRITE4(sc, HE_REGO_GRP_1_0_MAP, 0);
WRITE4(sc, HE_REGO_GRP_3_2_MAP, 0);
WRITE4(sc, HE_REGO_GRP_5_4_MAP, 0);
WRITE4(sc, HE_REGO_GRP_7_6_MAP, 0);
BARRIER_W(sc);
/*
* 4.11 Enable PCI Bus Controller State Machine
*/
v = READ4(sc, HE_REGO_HOST_CNTL);
BARRIER_R(sc);
v |= HE_REGM_HOST_OUTFF_ENB | HE_REGM_HOST_CMDFF_ENB |
HE_REGM_HOST_QUICK_RD | HE_REGM_HOST_QUICK_WR;
WRITE4(sc, HE_REGO_HOST_CNTL, v);
BARRIER_W(sc);
/*
* 5.1.1 Generic configuration state
*/
sc->cells_per_row = layout[sc->he622][0];
sc->bytes_per_row = layout[sc->he622][1];
sc->r0_numrows = layout[sc->he622][2];
sc->tx_numrows = layout[sc->he622][3];
sc->r1_numrows = layout[sc->he622][4];
sc->r0_startrow = layout[sc->he622][5];
sc->tx_startrow = sc->r0_startrow + sc->r0_numrows;
sc->r1_startrow = sc->tx_startrow + sc->tx_numrows;
sc->cells_per_lbuf = layout[sc->he622][6];
sc->r0_numbuffs = sc->r0_numrows * (sc->cells_per_row /
sc->cells_per_lbuf);
sc->r1_numbuffs = sc->r1_numrows * (sc->cells_per_row /
sc->cells_per_lbuf);
sc->tx_numbuffs = sc->tx_numrows * (sc->cells_per_row /
sc->cells_per_lbuf);
if (sc->r0_numbuffs > 2560)
sc->r0_numbuffs = 2560;
if (sc->r1_numbuffs > 2560)
sc->r1_numbuffs = 2560;
if (sc->tx_numbuffs > 5120)
sc->tx_numbuffs = 5120;
DBG(sc, ATTACH, ("cells_per_row=%u bytes_per_row=%u r0_numrows=%u "
"tx_numrows=%u r1_numrows=%u r0_startrow=%u tx_startrow=%u "
"r1_startrow=%u cells_per_lbuf=%u\nr0_numbuffs=%u r1_numbuffs=%u "
"tx_numbuffs=%u\n", sc->cells_per_row, sc->bytes_per_row,
sc->r0_numrows, sc->tx_numrows, sc->r1_numrows, sc->r0_startrow,
sc->tx_startrow, sc->r1_startrow, sc->cells_per_lbuf,
sc->r0_numbuffs, sc->r1_numbuffs, sc->tx_numbuffs));
/*
* 5.1.2 Configure Hardware dependend registers
*/
if (sc->he622) {
WRITE4(sc, HE_REGO_LBARB,
(0x2 << HE_REGS_LBARB_SLICE) |
(0xf << HE_REGS_LBARB_RNUM) |
(0x3 << HE_REGS_LBARB_THPRI) |
(0x3 << HE_REGS_LBARB_RHPRI) |
(0x2 << HE_REGS_LBARB_TLPRI) |
(0x1 << HE_REGS_LBARB_RLPRI) |
(0x28 << HE_REGS_LBARB_BUS_MULT) |
(0x50 << HE_REGS_LBARB_NET_PREF));
BARRIER_W(sc);
WRITE4(sc, HE_REGO_SDRAMCON,
/* HW bug: don't use banking */
/* HE_REGM_SDRAMCON_BANK | */
HE_REGM_SDRAMCON_WIDE |
(0x384 << HE_REGS_SDRAMCON_REF));
BARRIER_W(sc);
WRITE4(sc, HE_REGO_RCMCONFIG,
(0x1 << HE_REGS_RCMCONFIG_BANK_WAIT) |
(0x1 << HE_REGS_RCMCONFIG_RW_WAIT) |
(0x0 << HE_REGS_RCMCONFIG_TYPE));
WRITE4(sc, HE_REGO_TCMCONFIG,
(0x2 << HE_REGS_TCMCONFIG_BANK_WAIT) |
(0x1 << HE_REGS_TCMCONFIG_RW_WAIT) |
(0x0 << HE_REGS_TCMCONFIG_TYPE));
} else {
WRITE4(sc, HE_REGO_LBARB,
(0x2 << HE_REGS_LBARB_SLICE) |
(0xf << HE_REGS_LBARB_RNUM) |
(0x3 << HE_REGS_LBARB_THPRI) |
(0x3 << HE_REGS_LBARB_RHPRI) |
(0x2 << HE_REGS_LBARB_TLPRI) |
(0x1 << HE_REGS_LBARB_RLPRI) |
(0x46 << HE_REGS_LBARB_BUS_MULT) |
(0x8C << HE_REGS_LBARB_NET_PREF));
BARRIER_W(sc);
WRITE4(sc, HE_REGO_SDRAMCON,
/* HW bug: don't use banking */
/* HE_REGM_SDRAMCON_BANK | */
(0x150 << HE_REGS_SDRAMCON_REF));
BARRIER_W(sc);
WRITE4(sc, HE_REGO_RCMCONFIG,
(0x0 << HE_REGS_RCMCONFIG_BANK_WAIT) |
(0x1 << HE_REGS_RCMCONFIG_RW_WAIT) |
(0x0 << HE_REGS_RCMCONFIG_TYPE));
WRITE4(sc, HE_REGO_TCMCONFIG,
(0x1 << HE_REGS_TCMCONFIG_BANK_WAIT) |
(0x1 << HE_REGS_TCMCONFIG_RW_WAIT) |
(0x0 << HE_REGS_TCMCONFIG_TYPE));
}
WRITE4(sc, HE_REGO_LBCONFIG, (sc->cells_per_lbuf * 48));
WRITE4(sc, HE_REGO_RLBC_H, 0);
WRITE4(sc, HE_REGO_RLBC_T, 0);
WRITE4(sc, HE_REGO_RLBC_H2, 0);
WRITE4(sc, HE_REGO_RXTHRSH, 512);
WRITE4(sc, HE_REGO_LITHRSH, 256);
WRITE4(sc, HE_REGO_RLBF0_C, sc->r0_numbuffs);
WRITE4(sc, HE_REGO_RLBF1_C, sc->r1_numbuffs);
if (sc->he622) {
WRITE4(sc, HE_REGO_RCCONFIG,
(8 << HE_REGS_RCCONFIG_UTDELAY) |
(IFP2IFATM(sc->ifp)->mib.vpi_bits << HE_REGS_RCCONFIG_VP) |
(IFP2IFATM(sc->ifp)->mib.vci_bits << HE_REGS_RCCONFIG_VC));
WRITE4(sc, HE_REGO_TXCONFIG,
(32 << HE_REGS_TXCONFIG_THRESH) |
(IFP2IFATM(sc->ifp)->mib.vci_bits << HE_REGS_TXCONFIG_VCI_MASK) |
(sc->tx_numbuffs << HE_REGS_TXCONFIG_LBFREE));
} else {
WRITE4(sc, HE_REGO_RCCONFIG,
(0 << HE_REGS_RCCONFIG_UTDELAY) |
HE_REGM_RCCONFIG_UT_MODE |
(IFP2IFATM(sc->ifp)->mib.vpi_bits << HE_REGS_RCCONFIG_VP) |
(IFP2IFATM(sc->ifp)->mib.vci_bits << HE_REGS_RCCONFIG_VC));
WRITE4(sc, HE_REGO_TXCONFIG,
(32 << HE_REGS_TXCONFIG_THRESH) |
HE_REGM_TXCONFIG_UTMODE |
(IFP2IFATM(sc->ifp)->mib.vci_bits << HE_REGS_TXCONFIG_VCI_MASK) |
(sc->tx_numbuffs << HE_REGS_TXCONFIG_LBFREE));
}
WRITE4(sc, HE_REGO_TXAAL5_PROTO, 0);
if (sc->rbp_s1.size != 0) {
WRITE4(sc, HE_REGO_RHCONFIG,
HE_REGM_RHCONFIG_PHYENB |
((sc->he622 ? 0x41 : 0x31) << HE_REGS_RHCONFIG_PTMR_PRE) |
(1 << HE_REGS_RHCONFIG_OAM_GID));
} else {
WRITE4(sc, HE_REGO_RHCONFIG,
HE_REGM_RHCONFIG_PHYENB |
((sc->he622 ? 0x41 : 0x31) << HE_REGS_RHCONFIG_PTMR_PRE) |
(0 << HE_REGS_RHCONFIG_OAM_GID));
}
BARRIER_W(sc);
hatm_init_cm(sc);
hatm_init_rx_buffer_pool(sc, 0, sc->r0_startrow, sc->r0_numbuffs);
hatm_init_rx_buffer_pool(sc, 1, sc->r1_startrow, sc->r1_numbuffs);
hatm_init_tx_buffer_pool(sc, sc->tx_startrow, sc->tx_numbuffs);
hatm_init_imed_queues(sc);
/*
* 5.1.6 Application tunable Parameters
*/
WRITE4(sc, HE_REGO_MCC, 0);
WRITE4(sc, HE_REGO_OEC, 0);
WRITE4(sc, HE_REGO_DCC, 0);
WRITE4(sc, HE_REGO_CEC, 0);
hatm_init_cs_block(sc);
hatm_init_cs_block_cm(sc);
hatm_init_rpool(sc, &sc->rbp_s0, 0, 0);
hatm_init_rpool(sc, &sc->rbp_l0, 0, 1);
hatm_init_rpool(sc, &sc->rbp_s1, 1, 0);
hatm_clear_rpool(sc, 1, 1);
hatm_clear_rpool(sc, 2, 0);
hatm_clear_rpool(sc, 2, 1);
hatm_clear_rpool(sc, 3, 0);
hatm_clear_rpool(sc, 3, 1);
hatm_clear_rpool(sc, 4, 0);
hatm_clear_rpool(sc, 4, 1);
hatm_clear_rpool(sc, 5, 0);
hatm_clear_rpool(sc, 5, 1);
hatm_clear_rpool(sc, 6, 0);
hatm_clear_rpool(sc, 6, 1);
hatm_clear_rpool(sc, 7, 0);
hatm_clear_rpool(sc, 7, 1);
hatm_init_rbrq(sc, &sc->rbrq_0, 0);
hatm_init_rbrq(sc, &sc->rbrq_1, 1);
hatm_clear_rbrq(sc, 2);
hatm_clear_rbrq(sc, 3);
hatm_clear_rbrq(sc, 4);
hatm_clear_rbrq(sc, 5);
hatm_clear_rbrq(sc, 6);
hatm_clear_rbrq(sc, 7);
sc->lbufs_next = 0;
bzero(sc->lbufs, sizeof(sc->lbufs[0]) * sc->lbufs_size);
hatm_init_tbrq(sc, &sc->tbrq, 0);
hatm_clear_tbrq(sc, 1);
hatm_clear_tbrq(sc, 2);
hatm_clear_tbrq(sc, 3);
hatm_clear_tbrq(sc, 4);
hatm_clear_tbrq(sc, 5);
hatm_clear_tbrq(sc, 6);
hatm_clear_tbrq(sc, 7);
hatm_init_tpdrq(sc);
WRITE4(sc, HE_REGO_UBUFF_BA, (sc->he622 ? 0x104780 : 0x800));
/*
* Initialize HSP
*/
bzero(sc->hsp_mem.base, sc->hsp_mem.size);
sc->hsp = sc->hsp_mem.base;
WRITE4(sc, HE_REGO_HSP_BA, sc->hsp_mem.paddr);
/*
* 5.1.12 Enable transmit and receive
* Enable bus master and interrupts
*/
v = READ_MBOX4(sc, HE_REGO_CS_ERCTL0);
v |= 0x18000000;
WRITE_MBOX4(sc, HE_REGO_CS_ERCTL0, v);
v = READ4(sc, HE_REGO_RCCONFIG);
v |= HE_REGM_RCCONFIG_RXENB;
WRITE4(sc, HE_REGO_RCCONFIG, v);
v = pci_read_config(sc->dev, HE_PCIR_GEN_CNTL_0, 4);
v |= HE_PCIM_CTL0_INIT_ENB | HE_PCIM_CTL0_INT_PROC_ENB;
pci_write_config(sc->dev, HE_PCIR_GEN_CNTL_0, v, 4);
sc->ifp->if_drv_flags |= IFF_DRV_RUNNING;
sc->ifp->if_baudrate = 53 * 8 * IFP2IFATM(sc->ifp)->mib.pcr;
sc->utopia.flags &= ~UTP_FL_POLL_CARRIER;
/* reopen vccs */
for (cid = 0; cid < HE_MAX_VCCS; cid++)
if (sc->vccs[cid] != NULL)
hatm_load_vc(sc, cid, 1);
ATMEV_SEND_IFSTATE_CHANGED(IFP2IFATM(sc->ifp),
sc->utopia.carrier == UTP_CARR_OK);
}
/*
* This functions stops the card and frees all resources allocated after
* the attach. Must have the global lock.
*/
void
hatm_stop(struct hatm_softc *sc)
{
uint32_t v;
u_int i, p, cid;
struct mbuf_chunk_hdr *ch;
struct mbuf_page *pg;
mtx_assert(&sc->mtx, MA_OWNED);
if (!(sc->ifp->if_drv_flags & IFF_DRV_RUNNING))
return;
sc->ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
ATMEV_SEND_IFSTATE_CHANGED(IFP2IFATM(sc->ifp),
sc->utopia.carrier == UTP_CARR_OK);
sc->utopia.flags |= UTP_FL_POLL_CARRIER;
/*
* Stop and reset the hardware so that everything remains
* stable.
*/
v = READ_MBOX4(sc, HE_REGO_CS_ERCTL0);
v &= ~0x18000000;
WRITE_MBOX4(sc, HE_REGO_CS_ERCTL0, v);
v = READ4(sc, HE_REGO_RCCONFIG);
v &= ~HE_REGM_RCCONFIG_RXENB;
WRITE4(sc, HE_REGO_RCCONFIG, v);
WRITE4(sc, HE_REGO_RHCONFIG, (0x2 << HE_REGS_RHCONFIG_PTMR_PRE));
BARRIER_W(sc);
v = READ4(sc, HE_REGO_HOST_CNTL);
BARRIER_R(sc);
v &= ~(HE_REGM_HOST_OUTFF_ENB | HE_REGM_HOST_CMDFF_ENB);
WRITE4(sc, HE_REGO_HOST_CNTL, v);
BARRIER_W(sc);
/*
* Disable bust master and interrupts
*/
v = pci_read_config(sc->dev, HE_PCIR_GEN_CNTL_0, 4);
v &= ~(HE_PCIM_CTL0_INIT_ENB | HE_PCIM_CTL0_INT_PROC_ENB);
pci_write_config(sc->dev, HE_PCIR_GEN_CNTL_0, v, 4);
(void)hatm_reset(sc);
/*
* Card resets the SUNI when resetted, so re-initialize it
*/
utopia_reset(&sc->utopia);
/*
* Give any waiters on closing a VCC a chance. They will stop
* to wait if they see that IFF_DRV_RUNNING disappeared.
*/
cv_broadcast(&sc->vcc_cv);
cv_broadcast(&sc->cv_rcclose);
/*
* Now free all resources.
*/
/*
* Free the large mbufs that are given to the card.
*/
for (i = 0 ; i < sc->lbufs_size; i++) {
if (sc->lbufs[i] != NULL) {
bus_dmamap_unload(sc->mbuf_tag, sc->rmaps[i]);
m_freem(sc->lbufs[i]);
sc->lbufs[i] = NULL;
}
}
/*
* Free small buffers
*/
for (p = 0; p < sc->mbuf_npages; p++) {
pg = sc->mbuf_pages[p];
for (i = 0; i < pg->hdr.nchunks; i++) {
ch = (struct mbuf_chunk_hdr *) ((char *)pg +
i * pg->hdr.chunksize + pg->hdr.hdroff);
if (ch->flags & MBUF_CARD) {
ch->flags &= ~MBUF_CARD;
ch->flags |= MBUF_USED;
hatm_ext_free(&sc->mbuf_list[pg->hdr.pool],
(struct mbufx_free *)((u_char *)ch -
pg->hdr.hdroff));
}
}
}
hatm_stop_tpds(sc);
/*
* Free all partial reassembled PDUs on any VCC.
*/
for (cid = 0; cid < HE_MAX_VCCS; cid++) {
if (sc->vccs[cid] != NULL) {
if (sc->vccs[cid]->chain != NULL) {
m_freem(sc->vccs[cid]->chain);
sc->vccs[cid]->chain = NULL;
sc->vccs[cid]->last = NULL;
}
if (!(sc->vccs[cid]->vflags & (HE_VCC_RX_OPEN |
HE_VCC_TX_OPEN))) {
hatm_tx_vcc_closed(sc, cid);
uma_zfree(sc->vcc_zone, sc->vccs[cid]);
sc->vccs[cid] = NULL;
sc->open_vccs--;
} else {
sc->vccs[cid]->vflags = 0;
sc->vccs[cid]->ntpds = 0;
}
}
}
if (sc->rbp_s0.size != 0)
bzero(sc->rbp_s0.mem.base, sc->rbp_s0.mem.size);
if (sc->rbp_l0.size != 0)
bzero(sc->rbp_l0.mem.base, sc->rbp_l0.mem.size);
if (sc->rbp_s1.size != 0)
bzero(sc->rbp_s1.mem.base, sc->rbp_s1.mem.size);
if (sc->rbrq_0.size != 0)
bzero(sc->rbrq_0.mem.base, sc->rbrq_0.mem.size);
if (sc->rbrq_1.size != 0)
bzero(sc->rbrq_1.mem.base, sc->rbrq_1.mem.size);
bzero(sc->tbrq.mem.base, sc->tbrq.mem.size);
bzero(sc->tpdrq.mem.base, sc->tpdrq.mem.size);
bzero(sc->hsp_mem.base, sc->hsp_mem.size);
}
/************************************************************
*
* Driver infrastructure
*/
devclass_t hatm_devclass;
static device_method_t hatm_methods[] = {
DEVMETHOD(device_probe, hatm_probe),
DEVMETHOD(device_attach, hatm_attach),
DEVMETHOD(device_detach, hatm_detach),
{0,0}
};
static driver_t hatm_driver = {
"hatm",
hatm_methods,
sizeof(struct hatm_softc),
};
DRIVER_MODULE(hatm, pci, hatm_driver, hatm_devclass, NULL, 0);
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