iwh.c revision da14cebe459d3275048785f25bd869cb09b5307f
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* Copyright (c) 2008, Intel Corporation
* All rights reserved.
*/
/*
* Copyright (c) 2006
* Copyright (c) 2007
* Damien Bergamini <damien.bergamini@free.fr>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*
* Intel(R) WiFi Link 5100/5300 Driver
*/
#include <sys/types.h>
#include <sys/byteorder.h>
#include <sys/conf.h>
#include <sys/cmn_err.h>
#include <sys/stat.h>
#include <sys/ddi.h>
#include <sys/sunddi.h>
#include <sys/strsubr.h>
#include <sys/ethernet.h>
#include <inet/common.h>
#include <inet/nd.h>
#include <inet/mi.h>
#include <sys/note.h>
#include <sys/stream.h>
#include <sys/strsun.h>
#include <sys/modctl.h>
#include <sys/devops.h>
#include <sys/dlpi.h>
#include <sys/mac_provider.h>
#include <sys/mac_wifi.h>
#include <sys/net80211.h>
#include <sys/net80211_proto.h>
#include <sys/varargs.h>
#include <sys/policy.h>
#include <sys/pci.h>
#include "iwh_calibration.h"
#include "iwh_hw.h"
#include "iwh_eeprom.h"
#include "iwh_var.h"
#include <inet/wifi_ioctl.h>
#ifdef DEBUG
#define IWH_DEBUG_80211 (1 << 0)
#define IWH_DEBUG_CMD (1 << 1)
#define IWH_DEBUG_DMA (1 << 2)
#define IWH_DEBUG_EEPROM (1 << 3)
#define IWH_DEBUG_FW (1 << 4)
#define IWH_DEBUG_HW (1 << 5)
#define IWH_DEBUG_INTR (1 << 6)
#define IWH_DEBUG_MRR (1 << 7)
#define IWH_DEBUG_PIO (1 << 8)
#define IWH_DEBUG_RX (1 << 9)
#define IWH_DEBUG_SCAN (1 << 10)
#define IWH_DEBUG_TX (1 << 11)
#define IWH_DEBUG_RATECTL (1 << 12)
#define IWH_DEBUG_RADIO (1 << 13)
#define IWH_DEBUG_RESUME (1 << 14)
#define IWH_DEBUG_CALIBRATION (1 << 15)
/*
* if want to see debug message of a given section,
* please set this flag to one of above values
*/
uint32_t iwh_dbg_flags = 0;
#define IWH_DBG(x) \
iwh_dbg x
#else
#define IWH_DBG(x)
#endif
static void *iwh_soft_state_p = NULL;
/*
* ucode will be compiled into driver image
*/
static uint8_t iwh_fw_bin [] = {
#include "fw-iw/iwh.ucode"
};
/*
* DMA attributes for a shared page
*/
static ddi_dma_attr_t sh_dma_attr = {
DMA_ATTR_V0, /* version of this structure */
0, /* lowest usable address */
0xffffffffU, /* highest usable address */
0xffffffffU, /* maximum DMAable byte count */
0x1000, /* alignment in bytes */
0x1000, /* burst sizes (any?) */
1, /* minimum transfer */
0xffffffffU, /* maximum transfer */
0xffffffffU, /* maximum segment length */
1, /* maximum number of segments */
1, /* granularity */
0, /* flags (reserved) */
};
/*
* DMA attributes for a keep warm DRAM descriptor
*/
static ddi_dma_attr_t kw_dma_attr = {
DMA_ATTR_V0, /* version of this structure */
0, /* lowest usable address */
0xffffffffU, /* highest usable address */
0xffffffffU, /* maximum DMAable byte count */
0x1000, /* alignment in bytes */
0x1000, /* burst sizes (any?) */
1, /* minimum transfer */
0xffffffffU, /* maximum transfer */
0xffffffffU, /* maximum segment length */
1, /* maximum number of segments */
1, /* granularity */
0, /* flags (reserved) */
};
/*
* DMA attributes for a ring descriptor
*/
static ddi_dma_attr_t ring_desc_dma_attr = {
DMA_ATTR_V0, /* version of this structure */
0, /* lowest usable address */
0xffffffffU, /* highest usable address */
0xffffffffU, /* maximum DMAable byte count */
0x100, /* alignment in bytes */
0x100, /* burst sizes (any?) */
1, /* minimum transfer */
0xffffffffU, /* maximum transfer */
0xffffffffU, /* maximum segment length */
1, /* maximum number of segments */
1, /* granularity */
0, /* flags (reserved) */
};
/*
* DMA attributes for a cmd
*/
static ddi_dma_attr_t cmd_dma_attr = {
DMA_ATTR_V0, /* version of this structure */
0, /* lowest usable address */
0xffffffffU, /* highest usable address */
0xffffffffU, /* maximum DMAable byte count */
4, /* alignment in bytes */
0x100, /* burst sizes (any?) */
1, /* minimum transfer */
0xffffffffU, /* maximum transfer */
0xffffffffU, /* maximum segment length */
1, /* maximum number of segments */
1, /* granularity */
0, /* flags (reserved) */
};
/*
* DMA attributes for a rx buffer
*/
static ddi_dma_attr_t rx_buffer_dma_attr = {
DMA_ATTR_V0, /* version of this structure */
0, /* lowest usable address */
0xffffffffU, /* highest usable address */
0xffffffffU, /* maximum DMAable byte count */
0x100, /* alignment in bytes */
0x100, /* burst sizes (any?) */
1, /* minimum transfer */
0xffffffffU, /* maximum transfer */
0xffffffffU, /* maximum segment length */
1, /* maximum number of segments */
1, /* granularity */
0, /* flags (reserved) */
};
/*
* DMA attributes for a tx buffer.
* the maximum number of segments is 4 for the hardware.
* now all the wifi drivers put the whole frame in a single
* descriptor, so we define the maximum number of segments 1,
* just the same as the rx_buffer. we consider leverage the HW
* ability in the future, that is why we don't define rx and tx
* buffer_dma_attr as the same.
*/
static ddi_dma_attr_t tx_buffer_dma_attr = {
DMA_ATTR_V0, /* version of this structure */
0, /* lowest usable address */
0xffffffffU, /* highest usable address */
0xffffffffU, /* maximum DMAable byte count */
4, /* alignment in bytes */
0x100, /* burst sizes (any?) */
1, /* minimum transfer */
0xffffffffU, /* maximum transfer */
0xffffffffU, /* maximum segment length */
1, /* maximum number of segments */
1, /* granularity */
0, /* flags (reserved) */
};
/*
* DMA attributes for text and data part in the firmware
*/
static ddi_dma_attr_t fw_dma_attr = {
DMA_ATTR_V0, /* version of this structure */
0, /* lowest usable address */
0xffffffffU, /* highest usable address */
0x7fffffff, /* maximum DMAable byte count */
0x10, /* alignment in bytes */
0x100, /* burst sizes (any?) */
1, /* minimum transfer */
0xffffffffU, /* maximum transfer */
0xffffffffU, /* maximum segment length */
1, /* maximum number of segments */
1, /* granularity */
0, /* flags (reserved) */
};
/*
* regs access attributes
*/
static ddi_device_acc_attr_t iwh_reg_accattr = {
DDI_DEVICE_ATTR_V0,
DDI_STRUCTURE_LE_ACC,
DDI_STRICTORDER_ACC,
DDI_DEFAULT_ACC
};
/*
* DMA access attributes
*/
static ddi_device_acc_attr_t iwh_dma_accattr = {
DDI_DEVICE_ATTR_V0,
DDI_NEVERSWAP_ACC,
DDI_STRICTORDER_ACC,
DDI_DEFAULT_ACC
};
static int iwh_ring_init(iwh_sc_t *);
static void iwh_ring_free(iwh_sc_t *);
static int iwh_alloc_shared(iwh_sc_t *);
static void iwh_free_shared(iwh_sc_t *);
static int iwh_alloc_kw(iwh_sc_t *);
static void iwh_free_kw(iwh_sc_t *);
static int iwh_alloc_fw_dma(iwh_sc_t *);
static void iwh_free_fw_dma(iwh_sc_t *);
static int iwh_alloc_rx_ring(iwh_sc_t *);
static void iwh_reset_rx_ring(iwh_sc_t *);
static void iwh_free_rx_ring(iwh_sc_t *);
static int iwh_alloc_tx_ring(iwh_sc_t *, iwh_tx_ring_t *,
int, int);
static void iwh_reset_tx_ring(iwh_sc_t *, iwh_tx_ring_t *);
static void iwh_free_tx_ring(iwh_tx_ring_t *);
static ieee80211_node_t *iwh_node_alloc(ieee80211com_t *);
static void iwh_node_free(ieee80211_node_t *);
static int iwh_newstate(ieee80211com_t *, enum ieee80211_state, int);
static void iwh_mac_access_enter(iwh_sc_t *);
static void iwh_mac_access_exit(iwh_sc_t *);
static uint32_t iwh_reg_read(iwh_sc_t *, uint32_t);
static void iwh_reg_write(iwh_sc_t *, uint32_t, uint32_t);
static int iwh_load_init_firmware(iwh_sc_t *);
static int iwh_load_run_firmware(iwh_sc_t *);
static void iwh_tx_intr(iwh_sc_t *, iwh_rx_desc_t *);
static void iwh_cmd_intr(iwh_sc_t *, iwh_rx_desc_t *);
static uint_t iwh_intr(caddr_t, caddr_t);
static int iwh_eep_load(iwh_sc_t *);
static void iwh_get_mac_from_eep(iwh_sc_t *);
static int iwh_eep_sem_down(iwh_sc_t *);
static void iwh_eep_sem_up(iwh_sc_t *);
static uint_t iwh_rx_softintr(caddr_t, caddr_t);
static uint8_t iwh_rate_to_plcp(int);
static int iwh_cmd(iwh_sc_t *, int, const void *, int, int);
static void iwh_set_led(iwh_sc_t *, uint8_t, uint8_t, uint8_t);
static int iwh_hw_set_before_auth(iwh_sc_t *);
static int iwh_scan(iwh_sc_t *);
static int iwh_config(iwh_sc_t *);
static void iwh_stop_master(iwh_sc_t *);
static int iwh_power_up(iwh_sc_t *);
static int iwh_preinit(iwh_sc_t *);
static int iwh_init(iwh_sc_t *);
static void iwh_stop(iwh_sc_t *);
static int iwh_quiesce(dev_info_t *t);
static void iwh_amrr_init(iwh_amrr_t *);
static void iwh_amrr_timeout(iwh_sc_t *);
static void iwh_amrr_ratectl(void *, ieee80211_node_t *);
static void iwh_ucode_alive(iwh_sc_t *, iwh_rx_desc_t *);
static void iwh_rx_phy_intr(iwh_sc_t *, iwh_rx_desc_t *);
static void iwh_rx_mpdu_intr(iwh_sc_t *, iwh_rx_desc_t *);
static void iwh_release_calib_buffer(iwh_sc_t *);
static int iwh_init_common(iwh_sc_t *);
static uint8_t *iwh_eep_addr_trans(iwh_sc_t *, uint32_t);
static int iwh_put_seg_fw(iwh_sc_t *, uint32_t, uint32_t, uint32_t);
static int iwh_alive_common(iwh_sc_t *);
static void iwh_save_calib_result(iwh_sc_t *, iwh_rx_desc_t *);
static int iwh_tx_power_table(iwh_sc_t *, int);
static int iwh_attach(dev_info_t *, ddi_attach_cmd_t);
static int iwh_detach(dev_info_t *, ddi_detach_cmd_t);
static void iwh_destroy_locks(iwh_sc_t *);
static int iwh_send(ieee80211com_t *, mblk_t *, uint8_t);
static void iwh_thread(iwh_sc_t *);
/*
* GLD specific operations
*/
static int iwh_m_stat(void *, uint_t, uint64_t *);
static int iwh_m_start(void *);
static void iwh_m_stop(void *);
static int iwh_m_unicst(void *, const uint8_t *);
static int iwh_m_multicst(void *, boolean_t, const uint8_t *);
static int iwh_m_promisc(void *, boolean_t);
static mblk_t *iwh_m_tx(void *, mblk_t *);
static void iwh_m_ioctl(void *, queue_t *, mblk_t *);
/*
* Supported rates for 802.11b/g modes (in 500Kbps unit).
* 11n support will be added later.
*/
static const struct ieee80211_rateset iwh_rateset_11b =
{ 4, { 2, 4, 11, 22 } };
static const struct ieee80211_rateset iwh_rateset_11g =
{ 12, { 2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108 } };
/*
* For mfthread only
*/
extern pri_t minclsyspri;
#define DRV_NAME_SP "iwh"
/*
* Module Loading Data & Entry Points
*/
DDI_DEFINE_STREAM_OPS(iwh_devops, nulldev, nulldev, iwh_attach,
iwh_detach, nodev, NULL, D_MP, NULL, iwh_quiesce);
static struct modldrv iwh_modldrv = {
&mod_driverops,
"Intel(R) ShirleyPeak driver(N)",
&iwh_devops
};
static struct modlinkage iwh_modlinkage = {
MODREV_1,
&iwh_modldrv,
NULL
};
int
_init(void)
{
int status;
status = ddi_soft_state_init(&iwh_soft_state_p,
sizeof (iwh_sc_t), 1);
if (status != DDI_SUCCESS) {
return (status);
}
mac_init_ops(&iwh_devops, DRV_NAME_SP);
status = mod_install(&iwh_modlinkage);
if (status != DDI_SUCCESS) {
mac_fini_ops(&iwh_devops);
ddi_soft_state_fini(&iwh_soft_state_p);
}
return (status);
}
int
_fini(void)
{
int status;
status = mod_remove(&iwh_modlinkage);
if (DDI_SUCCESS == status) {
mac_fini_ops(&iwh_devops);
ddi_soft_state_fini(&iwh_soft_state_p);
}
return (status);
}
int
_info(struct modinfo *mip)
{
return (mod_info(&iwh_modlinkage, mip));
}
/*
* Mac Call Back entries
*/
mac_callbacks_t iwh_m_callbacks = {
MC_IOCTL,
iwh_m_stat,
iwh_m_start,
iwh_m_stop,
iwh_m_promisc,
iwh_m_multicst,
iwh_m_unicst,
iwh_m_tx,
iwh_m_ioctl
};
#ifdef DEBUG
void
iwh_dbg(uint32_t flags, const char *fmt, ...)
{
va_list ap;
if (flags & iwh_dbg_flags) {
va_start(ap, fmt);
vcmn_err(CE_WARN, fmt, ap);
va_end(ap);
}
}
#endif
/*
* device operations
*/
int
iwh_attach(dev_info_t *dip, ddi_attach_cmd_t cmd)
{
iwh_sc_t *sc;
ieee80211com_t *ic;
int instance, err, i;
char strbuf[32];
wifi_data_t wd = { 0 };
mac_register_t *macp;
int intr_type;
int intr_count;
int intr_actual;
switch (cmd) {
case DDI_ATTACH:
break;
case DDI_RESUME:
sc = ddi_get_soft_state(iwh_soft_state_p,
ddi_get_instance(dip));
ASSERT(sc != NULL);
mutex_enter(&sc->sc_glock);
sc->sc_flags &= ~IWH_F_SUSPEND;
mutex_exit(&sc->sc_glock);
if (sc->sc_flags & IWH_F_RUNNING) {
(void) iwh_init(sc);
ieee80211_new_state(&sc->sc_ic, IEEE80211_S_INIT, -1);
}
IWH_DBG((IWH_DEBUG_RESUME, "iwh: resume\n"));
return (DDI_SUCCESS);
default:
err = DDI_FAILURE;
goto attach_fail1;
}
instance = ddi_get_instance(dip);
err = ddi_soft_state_zalloc(iwh_soft_state_p, instance);
if (err != DDI_SUCCESS) {
cmn_err(CE_WARN, "iwh_attach(): "
"failed to allocate soft state\n");
goto attach_fail1;
}
sc = ddi_get_soft_state(iwh_soft_state_p, instance);
sc->sc_dip = dip;
/*
* map configure space
*/
err = ddi_regs_map_setup(dip, 0, &sc->sc_cfg_base, 0, 0,
&iwh_reg_accattr, &sc->sc_cfg_handle);
if (err != DDI_SUCCESS) {
cmn_err(CE_WARN, "iwh_attach(): "
"failed to map config spaces regs\n");
goto attach_fail2;
}
sc->sc_rev = ddi_get8(sc->sc_cfg_handle,
(uint8_t *)(sc->sc_cfg_base + PCI_CONF_REVID));
/*
* keep from disturbing C3 state of CPU
*/
ddi_put8(sc->sc_cfg_handle, (uint8_t *)(sc->sc_cfg_base + 0x41), 0);
sc->sc_clsz = ddi_get16(sc->sc_cfg_handle,
(uint16_t *)(sc->sc_cfg_base + PCI_CONF_CACHE_LINESZ));
if (!sc->sc_clsz) {
sc->sc_clsz = 16;
}
/*
* determine the size of buffer for frame and command to ucode
*/
sc->sc_clsz = (sc->sc_clsz << 2);
sc->sc_dmabuf_sz = roundup(0x1000 + sizeof (struct ieee80211_frame) +
IEEE80211_MTU + IEEE80211_CRC_LEN +
(IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN +
IEEE80211_WEP_CRCLEN), sc->sc_clsz);
/*
* Map operating registers
*/
err = ddi_regs_map_setup(dip, 1, &sc->sc_base,
0, 0, &iwh_reg_accattr, &sc->sc_handle);
if (err != DDI_SUCCESS) {
cmn_err(CE_WARN, "iwh_attach(): "
"failed to map device regs\n");
goto attach_fail3;
}
/*
* this is used to differentiate type of hardware
*/
sc->sc_hw_rev = IWH_READ(sc, CSR_HW_REV);
err = ddi_intr_get_supported_types(dip, &intr_type);
if ((err != DDI_SUCCESS) || (!(intr_type & DDI_INTR_TYPE_FIXED))) {
cmn_err(CE_WARN, "iwh_attach(): "
"fixed type interrupt is not supported\n");
goto attach_fail4;
}
err = ddi_intr_get_nintrs(dip, DDI_INTR_TYPE_FIXED, &intr_count);
if ((err != DDI_SUCCESS) || (intr_count != 1)) {
cmn_err(CE_WARN, "iwh_attach(): "
"no fixed interrupts\n");
goto attach_fail4;
}
sc->sc_intr_htable = kmem_zalloc(sizeof (ddi_intr_handle_t), KM_SLEEP);
err = ddi_intr_alloc(dip, sc->sc_intr_htable, DDI_INTR_TYPE_FIXED, 0,
intr_count, &intr_actual, 0);
if ((err != DDI_SUCCESS) || (intr_actual != 1)) {
cmn_err(CE_WARN, "iwh_attach(): "
"ddi_intr_alloc() failed 0x%x\n", err);
goto attach_fail5;
}
err = ddi_intr_get_pri(sc->sc_intr_htable[0], &sc->sc_intr_pri);
if (err != DDI_SUCCESS) {
cmn_err(CE_WARN, "iwh_attach(): "
"ddi_intr_get_pri() failed 0x%x\n", err);
goto attach_fail6;
}
mutex_init(&sc->sc_glock, NULL, MUTEX_DRIVER,
DDI_INTR_PRI(sc->sc_intr_pri));
mutex_init(&sc->sc_tx_lock, NULL, MUTEX_DRIVER,
DDI_INTR_PRI(sc->sc_intr_pri));
mutex_init(&sc->sc_mt_lock, NULL, MUTEX_DRIVER,
DDI_INTR_PRI(sc->sc_intr_pri));
mutex_init(&sc->sc_ucode_lock, NULL, MUTEX_DRIVER,
DDI_INTR_PRI(sc->sc_intr_pri));
cv_init(&sc->sc_fw_cv, NULL, CV_DRIVER, NULL);
cv_init(&sc->sc_cmd_cv, NULL, CV_DRIVER, NULL);
cv_init(&sc->sc_tx_cv, "tx-ring", CV_DRIVER, NULL);
cv_init(&sc->sc_put_seg_cv, NULL, CV_DRIVER, NULL);
cv_init(&sc->sc_ucode_cv, NULL, CV_DRIVER, NULL);
/*
* initialize the mfthread
*/
cv_init(&sc->sc_mt_cv, NULL, CV_DRIVER, NULL);
sc->sc_mf_thread = NULL;
sc->sc_mf_thread_switch = 0;
/*
* Allocate shared buffer for communication between driver and ucode.
*/
err = iwh_alloc_shared(sc);
if (err != DDI_SUCCESS) {
cmn_err(CE_WARN, "iwh_attach(): "
"failed to allocate shared page\n");
goto attach_fail7;
}
(void) memset(sc->sc_shared, 0, sizeof (iwh_shared_t));
/*
* Allocate keep warm page.
*/
err = iwh_alloc_kw(sc);
if (err != DDI_SUCCESS) {
cmn_err(CE_WARN, "iwh_attach(): "
"failed to allocate keep warm page\n");
goto attach_fail8;
}
/*
* Do some necessary hardware initializations.
*/
err = iwh_preinit(sc);
if (err != IWH_SUCCESS) {
cmn_err(CE_WARN, "iwh_attach(): "
"failed to initialize hardware\n");
goto attach_fail9;
}
/*
* get hardware configurations from eeprom
*/
err = iwh_eep_load(sc);
if (err != 0) {
cmn_err(CE_WARN, "iwh_attach(): "
"failed to load eeprom\n");
goto attach_fail9;
}
if (IWH_READ_EEP_SHORT(sc, EEP_VERSION) < 0x011a) {
IWH_DBG((IWH_DEBUG_EEPROM, "unsupported eeprom detected"));
goto attach_fail9;
}
/*
* get MAC address of this chipset
*/
iwh_get_mac_from_eep(sc);
/*
* calibration information from EEPROM
*/
sc->sc_eep_calib = (struct iwh_eep_calibration *)
iwh_eep_addr_trans(sc, EEP_CALIBRATION);
/*
* initialize TX and RX ring buffers
*/
err = iwh_ring_init(sc);
if (err != DDI_SUCCESS) {
cmn_err(CE_WARN, "iwh_attach(): "
"failed to allocate and initialize ring\n");
goto attach_fail9;
}
sc->sc_hdr = (iwh_firmware_hdr_t *)iwh_fw_bin;
/*
* copy ucode to dma buffer
*/
err = iwh_alloc_fw_dma(sc);
if (err != DDI_SUCCESS) {
cmn_err(CE_WARN, "iwh_attach(): "
"failed to allocate firmware dma\n");
goto attach_fail10;
}
/*
* Initialize the wifi part, which will be used by
* 802.11 module
*/
ic = &sc->sc_ic;
ic->ic_phytype = IEEE80211_T_OFDM;
ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */
ic->ic_state = IEEE80211_S_INIT;
ic->ic_maxrssi = 100; /* experimental number */
ic->ic_caps = IEEE80211_C_SHPREAMBLE | IEEE80211_C_TXPMGT |
IEEE80211_C_PMGT | IEEE80211_C_SHSLOT;
/*
* Support WPA/WPA2
*/
ic->ic_caps |= IEEE80211_C_WPA;
/*
* set supported .11b and .11g rates
*/
ic->ic_sup_rates[IEEE80211_MODE_11B] = iwh_rateset_11b;
ic->ic_sup_rates[IEEE80211_MODE_11G] = iwh_rateset_11g;
/*
* set supported .11b and .11g channels (1 through 11)
*/
for (i = 1; i <= 11; i++) {
ic->ic_sup_channels[i].ich_freq =
ieee80211_ieee2mhz(i, IEEE80211_CHAN_2GHZ);
ic->ic_sup_channels[i].ich_flags =
IEEE80211_CHAN_CCK | IEEE80211_CHAN_OFDM |
IEEE80211_CHAN_DYN | IEEE80211_CHAN_2GHZ |
IEEE80211_CHAN_PASSIVE;
}
ic->ic_ibss_chan = &ic->ic_sup_channels[0];
ic->ic_xmit = iwh_send;
/*
* attach to 802.11 module
*/
ieee80211_attach(ic);
/*
* different instance has different WPA door
*/
(void) snprintf(ic->ic_wpadoor, MAX_IEEE80211STR, "%s_%s%d", WPA_DOOR,
ddi_driver_name(dip),
ddi_get_instance(dip));
/*
* Override 80211 default routines
*/
sc->sc_newstate = ic->ic_newstate;
ic->ic_newstate = iwh_newstate;
ic->ic_node_alloc = iwh_node_alloc;
ic->ic_node_free = iwh_node_free;
/*
* initialize 802.11 module
*/
ieee80211_media_init(ic);
/*
* initialize default tx key
*/
ic->ic_def_txkey = 0;
err = ddi_intr_add_softint(dip, &sc->sc_soft_hdl, DDI_INTR_SOFTPRI_MAX,
iwh_rx_softintr, (caddr_t)sc);
if (err != DDI_SUCCESS) {
cmn_err(CE_WARN, "iwh_attach(): "
"add soft interrupt failed\n");
goto attach_fail12;
}
err = ddi_intr_add_handler(sc->sc_intr_htable[0], iwh_intr,
(caddr_t)sc, NULL);
if (err != DDI_SUCCESS) {
cmn_err(CE_WARN, "iwh_attach(): "
"ddi_intr_add_handle() failed\n");
goto attach_fail13;
}
err = ddi_intr_enable(sc->sc_intr_htable[0]);
if (err != DDI_SUCCESS) {
cmn_err(CE_WARN, "iwh_attach(): "
"ddi_intr_enable() failed\n");
goto attach_fail14;
}
/*
* Initialize pointer to device specific functions
*/
wd.wd_secalloc = WIFI_SEC_NONE;
wd.wd_opmode = ic->ic_opmode;
IEEE80211_ADDR_COPY(wd.wd_bssid, ic->ic_macaddr);
/*
* create relation to GLD
*/
macp = mac_alloc(MAC_VERSION);
if (err != DDI_SUCCESS) {
cmn_err(CE_WARN, "iwh_attach(): "
"failed to do mac_alloc()\n");
goto attach_fail15;
}
macp->m_type_ident = MAC_PLUGIN_IDENT_WIFI;
macp->m_driver = sc;
macp->m_dip = dip;
macp->m_src_addr = ic->ic_macaddr;
macp->m_callbacks = &iwh_m_callbacks;
macp->m_min_sdu = 0;
macp->m_max_sdu = IEEE80211_MTU;
macp->m_pdata = &wd;
macp->m_pdata_size = sizeof (wd);
/*
* Register the macp to mac
*/
err = mac_register(macp, &ic->ic_mach);
mac_free(macp);
if (err != DDI_SUCCESS) {
cmn_err(CE_WARN, "iwh_attach(): "
"failed to do mac_register()\n");
goto attach_fail15;
}
/*
* Create minor node of type DDI_NT_NET_WIFI
*/
(void) snprintf(strbuf, sizeof (strbuf), DRV_NAME_SP"%d", instance);
err = ddi_create_minor_node(dip, strbuf, S_IFCHR,
instance + 1, DDI_NT_NET_WIFI, 0);
if (err != DDI_SUCCESS)
cmn_err(CE_WARN, "iwh_attach(): "
"failed to do ddi_create_minor_node()\n");
/*
* Notify link is down now
*/
mac_link_update(ic->ic_mach, LINK_STATE_DOWN);
/*
* create the mf thread to handle the link status,
* recovery fatal error, etc.
*/
sc->sc_mf_thread_switch = 1;
if (NULL == sc->sc_mf_thread) {
sc->sc_mf_thread = thread_create((caddr_t)NULL, 0,
iwh_thread, sc, 0, &p0, TS_RUN, minclsyspri);
}
sc->sc_flags |= IWH_F_ATTACHED;
return (DDI_SUCCESS);
attach_fail15:
(void) ddi_intr_disable(sc->sc_intr_htable[0]);
attach_fail14:
(void) ddi_intr_remove_handler(sc->sc_intr_htable[0]);
attach_fail13:
(void) ddi_intr_remove_softint(sc->sc_soft_hdl);
sc->sc_soft_hdl = NULL;
attach_fail12:
ieee80211_detach(ic);
attach_fail11:
iwh_free_fw_dma(sc);
attach_fail10:
iwh_ring_free(sc);
attach_fail9:
iwh_free_kw(sc);
attach_fail8:
iwh_free_shared(sc);
attach_fail7:
iwh_destroy_locks(sc);
attach_fail6:
(void) ddi_intr_free(sc->sc_intr_htable[0]);
attach_fail5:
kmem_free(sc->sc_intr_htable, sizeof (ddi_intr_handle_t));
attach_fail4:
ddi_regs_map_free(&sc->sc_handle);
attach_fail3:
ddi_regs_map_free(&sc->sc_cfg_handle);
attach_fail2:
ddi_soft_state_free(iwh_soft_state_p, instance);
attach_fail1:
return (err);
}
int
iwh_detach(dev_info_t *dip, ddi_detach_cmd_t cmd)
{
iwh_sc_t *sc;
int err;
sc = ddi_get_soft_state(iwh_soft_state_p, ddi_get_instance(dip));
ASSERT(sc != NULL);
switch (cmd) {
case DDI_DETACH:
break;
case DDI_SUSPEND:
if (sc->sc_flags & IWH_F_RUNNING) {
iwh_stop(sc);
}
mutex_enter(&sc->sc_glock);
sc->sc_flags |= IWH_F_SUSPEND;
mutex_exit(&sc->sc_glock);
IWH_DBG((IWH_DEBUG_RESUME, "iwh: suspend\n"));
return (DDI_SUCCESS);
default:
return (DDI_FAILURE);
}
if (!(sc->sc_flags & IWH_F_ATTACHED)) {
return (DDI_FAILURE);
}
err = mac_disable(sc->sc_ic.ic_mach);
if (err != DDI_SUCCESS)
return (err);
/*
* Destroy the mf_thread
*/
mutex_enter(&sc->sc_mt_lock);
sc->sc_mf_thread_switch = 0;
while (sc->sc_mf_thread != NULL) {
if (cv_wait_sig(&sc->sc_mt_cv, &sc->sc_mt_lock) == 0) {
break;
}
}
mutex_exit(&sc->sc_mt_lock);
/*
* stop chipset
*/
iwh_stop(sc);
DELAY(500000);
/*
* release buffer for calibration
*/
iwh_release_calib_buffer(sc);
/*
* Unregiste from GLD
*/
(void) mac_unregister(sc->sc_ic.ic_mach);
mutex_enter(&sc->sc_glock);
iwh_free_fw_dma(sc);
iwh_ring_free(sc);
iwh_free_kw(sc);
iwh_free_shared(sc);
mutex_exit(&sc->sc_glock);
(void) ddi_intr_disable(sc->sc_intr_htable[0]);
(void) ddi_intr_remove_handler(sc->sc_intr_htable[0]);
(void) ddi_intr_free(sc->sc_intr_htable[0]);
kmem_free(sc->sc_intr_htable, sizeof (ddi_intr_handle_t));
(void) ddi_intr_remove_softint(sc->sc_soft_hdl);
sc->sc_soft_hdl = NULL;
/*
* detach from 80211 module
*/
ieee80211_detach(&sc->sc_ic);
iwh_destroy_locks(sc);
ddi_regs_map_free(&sc->sc_handle);
ddi_regs_map_free(&sc->sc_cfg_handle);
ddi_remove_minor_node(dip, NULL);
ddi_soft_state_free(iwh_soft_state_p, ddi_get_instance(dip));
return (DDI_SUCCESS);
}
/*
* destroy all locks
*/
static void
iwh_destroy_locks(iwh_sc_t *sc)
{
cv_destroy(&sc->sc_mt_cv);
cv_destroy(&sc->sc_tx_cv);
cv_destroy(&sc->sc_cmd_cv);
cv_destroy(&sc->sc_fw_cv);
cv_destroy(&sc->sc_put_seg_cv);
cv_destroy(&sc->sc_ucode_cv);
mutex_destroy(&sc->sc_mt_lock);
mutex_destroy(&sc->sc_tx_lock);
mutex_destroy(&sc->sc_glock);
mutex_destroy(&sc->sc_ucode_lock);
}
/*
* Allocate an area of memory and a DMA handle for accessing it
*/
static int
iwh_alloc_dma_mem(iwh_sc_t *sc, size_t memsize,
ddi_dma_attr_t *dma_attr_p, ddi_device_acc_attr_t *acc_attr_p,
uint_t dma_flags, iwh_dma_t *dma_p)
{
caddr_t vaddr;
int err;
/*
* Allocate handle
*/
err = ddi_dma_alloc_handle(sc->sc_dip, dma_attr_p,
DDI_DMA_SLEEP, NULL, &dma_p->dma_hdl);
if (err != DDI_SUCCESS) {
dma_p->dma_hdl = NULL;
return (DDI_FAILURE);
}
/*
* Allocate memory
*/
err = ddi_dma_mem_alloc(dma_p->dma_hdl, memsize, acc_attr_p,
dma_flags & (DDI_DMA_CONSISTENT | DDI_DMA_STREAMING),
DDI_DMA_SLEEP, NULL, &vaddr, &dma_p->alength, &dma_p->acc_hdl);
if (err != DDI_SUCCESS) {
ddi_dma_free_handle(&dma_p->dma_hdl);
dma_p->dma_hdl = NULL;
dma_p->acc_hdl = NULL;
return (DDI_FAILURE);
}
/*
* Bind the two together
*/
dma_p->mem_va = vaddr;
err = ddi_dma_addr_bind_handle(dma_p->dma_hdl, NULL,
vaddr, dma_p->alength, dma_flags, DDI_DMA_SLEEP, NULL,
&dma_p->cookie, &dma_p->ncookies);
if (err != DDI_DMA_MAPPED) {
ddi_dma_mem_free(&dma_p->acc_hdl);
ddi_dma_free_handle(&dma_p->dma_hdl);
dma_p->acc_hdl = NULL;
dma_p->dma_hdl = NULL;
return (DDI_FAILURE);
}
dma_p->nslots = ~0U;
dma_p->size = ~0U;
dma_p->token = ~0U;
dma_p->offset = 0;
return (DDI_SUCCESS);
}
/*
* Free one allocated area of DMAable memory
*/
static void
iwh_free_dma_mem(iwh_dma_t *dma_p)
{
if (dma_p->dma_hdl != NULL) {
if (dma_p->ncookies) {
(void) ddi_dma_unbind_handle(dma_p->dma_hdl);
dma_p->ncookies = 0;
}
ddi_dma_free_handle(&dma_p->dma_hdl);
dma_p->dma_hdl = NULL;
}
if (dma_p->acc_hdl != NULL) {
ddi_dma_mem_free(&dma_p->acc_hdl);
dma_p->acc_hdl = NULL;
}
}
/*
* copy ucode into dma buffers
*/
static int
iwh_alloc_fw_dma(iwh_sc_t *sc)
{
int err = DDI_SUCCESS;
iwh_dma_t *dma_p;
char *t;
/*
* firmware image layout:
* |HDR|<-TEXT->|<-DATA->|<-INIT_TEXT->|<-INIT_DATA->|<-BOOT->|
*/
/*
* copy text of runtime ucode
*/
t = (char *)(sc->sc_hdr + 1);
err = iwh_alloc_dma_mem(sc, LE_32(sc->sc_hdr->textsz),
&fw_dma_attr, &iwh_dma_accattr,
DDI_DMA_RDWR | DDI_DMA_CONSISTENT,
&sc->sc_dma_fw_text);
dma_p = &sc->sc_dma_fw_text;
IWH_DBG((IWH_DEBUG_DMA, "text[ncookies:%d addr:%lx size:%lx]\n",
dma_p->ncookies, dma_p->cookie.dmac_address,
dma_p->cookie.dmac_size));
if (err != DDI_SUCCESS) {
cmn_err(CE_WARN, "iwh_alloc_fw_dma(): "
"failed to allocate text dma memory.\n");
goto fail;
}
(void) memcpy(dma_p->mem_va, t, LE_32(sc->sc_hdr->textsz));
/*
* copy data and bak-data of runtime ucode
*/
t += LE_32(sc->sc_hdr->textsz);
err = iwh_alloc_dma_mem(sc, LE_32(sc->sc_hdr->datasz),
&fw_dma_attr, &iwh_dma_accattr,
DDI_DMA_RDWR | DDI_DMA_CONSISTENT,
&sc->sc_dma_fw_data);
dma_p = &sc->sc_dma_fw_data;
IWH_DBG((IWH_DEBUG_DMA, "data[ncookies:%d addr:%lx size:%lx]\n",
dma_p->ncookies, dma_p->cookie.dmac_address,
dma_p->cookie.dmac_size));
if (err != DDI_SUCCESS) {
cmn_err(CE_WARN, "iwh_alloc_fw_dma(): "
"failed to allocate data dma memory\n");
goto fail;
}
(void) memcpy(dma_p->mem_va, t, LE_32(sc->sc_hdr->datasz));
err = iwh_alloc_dma_mem(sc, LE_32(sc->sc_hdr->datasz),
&fw_dma_attr, &iwh_dma_accattr,
DDI_DMA_RDWR | DDI_DMA_CONSISTENT,
&sc->sc_dma_fw_data_bak);
dma_p = &sc->sc_dma_fw_data_bak;
IWH_DBG((IWH_DEBUG_DMA, "data_bak[ncookies:%d addr:%lx "
"size:%lx]\n",
dma_p->ncookies, dma_p->cookie.dmac_address,
dma_p->cookie.dmac_size));
if (err != DDI_SUCCESS) {
cmn_err(CE_WARN, "iwh_alloc_fw_dma(): "
"failed to allocate data bakup dma memory\n");
goto fail;
}
(void) memcpy(dma_p->mem_va, t, LE_32(sc->sc_hdr->datasz));
/*
* copy text of init ucode
*/
t += LE_32(sc->sc_hdr->datasz);
err = iwh_alloc_dma_mem(sc, LE_32(sc->sc_hdr->init_textsz),
&fw_dma_attr, &iwh_dma_accattr,
DDI_DMA_RDWR | DDI_DMA_CONSISTENT,
&sc->sc_dma_fw_init_text);
dma_p = &sc->sc_dma_fw_init_text;
IWH_DBG((IWH_DEBUG_DMA, "init_text[ncookies:%d addr:%lx "
"size:%lx]\n",
dma_p->ncookies, dma_p->cookie.dmac_address,
dma_p->cookie.dmac_size));
if (err != DDI_SUCCESS) {
cmn_err(CE_WARN, "iwh_alloc_fw_dma(): "
"failed to allocate init text dma memory\n");
goto fail;
}
(void) memcpy(dma_p->mem_va, t, LE_32(sc->sc_hdr->init_textsz));
/*
* copy data of init ucode
*/
t += LE_32(sc->sc_hdr->init_textsz);
err = iwh_alloc_dma_mem(sc, LE_32(sc->sc_hdr->init_datasz),
&fw_dma_attr, &iwh_dma_accattr,
DDI_DMA_RDWR | DDI_DMA_CONSISTENT,
&sc->sc_dma_fw_init_data);
dma_p = &sc->sc_dma_fw_init_data;
IWH_DBG((IWH_DEBUG_DMA, "init_data[ncookies:%d addr:%lx "
"size:%lx]\n",
dma_p->ncookies, dma_p->cookie.dmac_address,
dma_p->cookie.dmac_size));
if (err != DDI_SUCCESS) {
cmn_err(CE_WARN, "iwh_alloc_fw_dma(): "
"failed to allocate init data dma memory\n");
goto fail;
}
(void) memcpy(dma_p->mem_va, t, LE_32(sc->sc_hdr->init_datasz));
sc->sc_boot = t + LE_32(sc->sc_hdr->init_datasz);
fail:
return (err);
}
static void
iwh_free_fw_dma(iwh_sc_t *sc)
{
iwh_free_dma_mem(&sc->sc_dma_fw_text);
iwh_free_dma_mem(&sc->sc_dma_fw_data);
iwh_free_dma_mem(&sc->sc_dma_fw_data_bak);
iwh_free_dma_mem(&sc->sc_dma_fw_init_text);
iwh_free_dma_mem(&sc->sc_dma_fw_init_data);
}
/*
* Allocate a shared buffer between host and NIC.
*/
static int
iwh_alloc_shared(iwh_sc_t *sc)
{
#ifdef DEBUG
iwh_dma_t *dma_p;
#endif
int err = DDI_SUCCESS;
/*
* must be aligned on a 4K-page boundary
*/
err = iwh_alloc_dma_mem(sc, sizeof (iwh_shared_t),
&sh_dma_attr, &iwh_dma_accattr,
DDI_DMA_RDWR | DDI_DMA_CONSISTENT,
&sc->sc_dma_sh);
if (err != DDI_SUCCESS) {
goto fail;
}
sc->sc_shared = (iwh_shared_t *)sc->sc_dma_sh.mem_va;
#ifdef DEBUG
dma_p = &sc->sc_dma_sh;
#endif
IWH_DBG((IWH_DEBUG_DMA, "sh[ncookies:%d addr:%lx size:%lx]\n",
dma_p->ncookies, dma_p->cookie.dmac_address,
dma_p->cookie.dmac_size));
return (err);
fail:
iwh_free_shared(sc);
return (err);
}
static void
iwh_free_shared(iwh_sc_t *sc)
{
iwh_free_dma_mem(&sc->sc_dma_sh);
}
/*
* Allocate a keep warm page.
*/
static int
iwh_alloc_kw(iwh_sc_t *sc)
{
#ifdef DEBUG
iwh_dma_t *dma_p;
#endif
int err = DDI_SUCCESS;
/*
* must be aligned on a 4K-page boundary
*/
err = iwh_alloc_dma_mem(sc, IWH_KW_SIZE,
&kw_dma_attr, &iwh_dma_accattr,
DDI_DMA_RDWR | DDI_DMA_CONSISTENT,
&sc->sc_dma_kw);
if (err != DDI_SUCCESS) {
goto fail;
}
#ifdef DEBUG
dma_p = &sc->sc_dma_kw;
#endif
IWH_DBG((IWH_DEBUG_DMA, "kw[ncookies:%d addr:%lx size:%lx]\n",
dma_p->ncookies, dma_p->cookie.dmac_address,
dma_p->cookie.dmac_size));
return (err);
fail:
iwh_free_kw(sc);
return (err);
}
static void
iwh_free_kw(iwh_sc_t *sc)
{
iwh_free_dma_mem(&sc->sc_dma_kw);
}
/*
* initialize RX ring buffers
*/
static int
iwh_alloc_rx_ring(iwh_sc_t *sc)
{
iwh_rx_ring_t *ring;
iwh_rx_data_t *data;
#ifdef DEBUG
iwh_dma_t *dma_p;
#endif
int i, err = DDI_SUCCESS;
ring = &sc->sc_rxq;
ring->cur = 0;
/*
* allocate RX description ring buffer
*/
err = iwh_alloc_dma_mem(sc, RX_QUEUE_SIZE * sizeof (uint32_t),
&ring_desc_dma_attr, &iwh_dma_accattr,
DDI_DMA_RDWR | DDI_DMA_CONSISTENT,
&ring->dma_desc);
if (err != DDI_SUCCESS) {
IWH_DBG((IWH_DEBUG_DMA, "dma alloc rx ring desc "
"failed\n"));
goto fail;
}
ring->desc = (uint32_t *)ring->dma_desc.mem_va;
#ifdef DEBUG
dma_p = &ring->dma_desc;
#endif
IWH_DBG((IWH_DEBUG_DMA, "rx bd[ncookies:%d addr:%lx size:%lx]\n",
dma_p->ncookies, dma_p->cookie.dmac_address,
dma_p->cookie.dmac_size));
/*
* Allocate Rx frame buffers.
*/
for (i = 0; i < RX_QUEUE_SIZE; i++) {
data = &ring->data[i];
err = iwh_alloc_dma_mem(sc, sc->sc_dmabuf_sz,
&rx_buffer_dma_attr, &iwh_dma_accattr,
DDI_DMA_READ | DDI_DMA_STREAMING,
&data->dma_data);
if (err != DDI_SUCCESS) {
IWH_DBG((IWH_DEBUG_DMA, "dma alloc rx ring "
"buf[%d] failed\n", i));
goto fail;
}
/*
* the physical address bit [8-36] are used,
* instead of bit [0-31] in 3945.
*/
ring->desc[i] = LE_32((uint32_t)
(data->dma_data.cookie.dmac_address >> 8));
}
#ifdef DEBUG
dma_p = &ring->data[0].dma_data;
#endif
IWH_DBG((IWH_DEBUG_DMA, "rx buffer[0][ncookies:%d addr:%lx "
"size:%lx]\n",
dma_p->ncookies, dma_p->cookie.dmac_address,
dma_p->cookie.dmac_size));
IWH_DMA_SYNC(ring->dma_desc, DDI_DMA_SYNC_FORDEV);
return (err);
fail:
iwh_free_rx_ring(sc);
return (err);
}
/*
* disable RX ring
*/
static void
iwh_reset_rx_ring(iwh_sc_t *sc)
{
int n;
iwh_mac_access_enter(sc);
IWH_WRITE(sc, FH_MEM_RCSR_CHNL0_CONFIG_REG, 0);
for (n = 0; n < 2000; n++) {
if (IWH_READ(sc, FH_MEM_RSSR_RX_STATUS_REG) & (1 << 24)) {
break;
}
DELAY(1000);
}
#ifdef DEBUG
if (2000 == n) {
IWH_DBG((IWH_DEBUG_DMA, "timeout resetting Rx ring\n"));
}
#endif
iwh_mac_access_exit(sc);
sc->sc_rxq.cur = 0;
}
static void
iwh_free_rx_ring(iwh_sc_t *sc)
{
int i;
for (i = 0; i < RX_QUEUE_SIZE; i++) {
if (sc->sc_rxq.data[i].dma_data.dma_hdl) {
IWH_DMA_SYNC(sc->sc_rxq.data[i].dma_data,
DDI_DMA_SYNC_FORCPU);
}
iwh_free_dma_mem(&sc->sc_rxq.data[i].dma_data);
}
if (sc->sc_rxq.dma_desc.dma_hdl) {
IWH_DMA_SYNC(sc->sc_rxq.dma_desc, DDI_DMA_SYNC_FORDEV);
}
iwh_free_dma_mem(&sc->sc_rxq.dma_desc);
}
/*
* initialize TX ring buffers
*/
static int
iwh_alloc_tx_ring(iwh_sc_t *sc, iwh_tx_ring_t *ring,
int slots, int qid)
{
iwh_tx_data_t *data;
iwh_tx_desc_t *desc_h;
uint32_t paddr_desc_h;
iwh_cmd_t *cmd_h;
uint32_t paddr_cmd_h;
#ifdef DEBUG
iwh_dma_t *dma_p;
#endif
int i, err = DDI_SUCCESS;
ring->qid = qid;
ring->count = TFD_QUEUE_SIZE_MAX;
ring->window = slots;
ring->queued = 0;
ring->cur = 0;
/*
* allocate buffer for TX descriptor ring
*/
err = iwh_alloc_dma_mem(sc,
TFD_QUEUE_SIZE_MAX * sizeof (iwh_tx_desc_t),
&ring_desc_dma_attr, &iwh_dma_accattr,
DDI_DMA_RDWR | DDI_DMA_CONSISTENT,
&ring->dma_desc);
if (err != DDI_SUCCESS) {
IWH_DBG((IWH_DEBUG_DMA, "dma alloc tx ring desc[%d]"
" failed\n", qid));
goto fail;
}
#ifdef DEBUG
dma_p = &ring->dma_desc;
#endif
IWH_DBG((IWH_DEBUG_DMA, "tx bd[ncookies:%d addr:%lx size:%lx]\n",
dma_p->ncookies, dma_p->cookie.dmac_address,
dma_p->cookie.dmac_size));
desc_h = (iwh_tx_desc_t *)ring->dma_desc.mem_va;
paddr_desc_h = ring->dma_desc.cookie.dmac_address;
/*
* allocate buffer for ucode command
*/
err = iwh_alloc_dma_mem(sc,
TFD_QUEUE_SIZE_MAX * sizeof (iwh_cmd_t),
&cmd_dma_attr, &iwh_dma_accattr,
DDI_DMA_RDWR | DDI_DMA_CONSISTENT,
&ring->dma_cmd);
if (err != DDI_SUCCESS) {
IWH_DBG((IWH_DEBUG_DMA, "dma alloc tx ring cmd[%d]"
" failed\n", qid));
goto fail;
}
#ifdef DEBUG
dma_p = &ring->dma_cmd;
#endif
IWH_DBG((IWH_DEBUG_DMA, "tx cmd[ncookies:%d addr:%lx size:%lx]\n",
dma_p->ncookies, dma_p->cookie.dmac_address,
dma_p->cookie.dmac_size));
cmd_h = (iwh_cmd_t *)ring->dma_cmd.mem_va;
paddr_cmd_h = ring->dma_cmd.cookie.dmac_address;
/*
* Allocate Tx frame buffers.
*/
ring->data = kmem_zalloc(sizeof (iwh_tx_data_t) * TFD_QUEUE_SIZE_MAX,
KM_NOSLEEP);
if (NULL == ring->data) {
IWH_DBG((IWH_DEBUG_DMA, "could not allocate "
"tx data slots\n"));
goto fail;
}
for (i = 0; i < TFD_QUEUE_SIZE_MAX; i++) {
data = &ring->data[i];
err = iwh_alloc_dma_mem(sc, sc->sc_dmabuf_sz,
&tx_buffer_dma_attr, &iwh_dma_accattr,
DDI_DMA_WRITE | DDI_DMA_STREAMING,
&data->dma_data);
if (err != DDI_SUCCESS) {
IWH_DBG((IWH_DEBUG_DMA, "dma alloc tx "
"ring buf[%d] failed\n", i));
goto fail;
}
data->desc = desc_h + i;
data->paddr_desc = paddr_desc_h +
_PTRDIFF(data->desc, desc_h);
data->cmd = cmd_h + i; /* (i % slots); */
data->paddr_cmd = paddr_cmd_h +
_PTRDIFF(data->cmd, cmd_h);
/* ((i % slots) * sizeof (iwh_cmd_t)); */
}
#ifdef DEBUG
dma_p = &ring->data[0].dma_data;
#endif
IWH_DBG((IWH_DEBUG_DMA, "tx buffer[0][ncookies:%d addr:%lx "
"size:%lx]\n",
dma_p->ncookies, dma_p->cookie.dmac_address,
dma_p->cookie.dmac_size));
return (err);
fail:
if (ring->data) {
kmem_free(ring->data,
sizeof (iwh_tx_data_t) * TFD_QUEUE_SIZE_MAX);
}
iwh_free_tx_ring(ring);
return (err);
}
/*
* disable TX ring
*/
static void
iwh_reset_tx_ring(iwh_sc_t *sc, iwh_tx_ring_t *ring)
{
iwh_tx_data_t *data;
int i, n;
iwh_mac_access_enter(sc);
IWH_WRITE(sc, IWH_FH_TCSR_CHNL_TX_CONFIG_REG(ring->qid), 0);
for (n = 0; n < 200; n++) {
if (IWH_READ(sc, IWH_FH_TSSR_TX_STATUS_REG) &
IWH_FH_TSSR_TX_STATUS_REG_MSK_CHNL_IDLE(ring->qid)) {
break;
}
DELAY(10);
}
if (200 == n) {
IWH_DBG((IWH_DEBUG_DMA, "timeout reset tx ring %d\n",
ring->qid));
}
iwh_mac_access_exit(sc);
/* by pass, if it's quiesce */
if (!(sc->sc_flags & IWH_F_QUIESCED)) {
for (i = 0; i < ring->count; i++) {
data = &ring->data[i];
IWH_DMA_SYNC(data->dma_data, DDI_DMA_SYNC_FORDEV);
}
}
ring->queued = 0;
ring->cur = 0;
}
static void
iwh_free_tx_ring(iwh_tx_ring_t *ring)
{
int i;
if (ring->dma_desc.dma_hdl != NULL) {
IWH_DMA_SYNC(ring->dma_desc, DDI_DMA_SYNC_FORDEV);
}
iwh_free_dma_mem(&ring->dma_desc);
if (ring->dma_cmd.dma_hdl != NULL) {
IWH_DMA_SYNC(ring->dma_cmd, DDI_DMA_SYNC_FORDEV);
}
iwh_free_dma_mem(&ring->dma_cmd);
if (ring->data != NULL) {
for (i = 0; i < ring->count; i++) {
if (ring->data[i].dma_data.dma_hdl) {
IWH_DMA_SYNC(ring->data[i].dma_data,
DDI_DMA_SYNC_FORDEV);
}
iwh_free_dma_mem(&ring->data[i].dma_data);
}
kmem_free(ring->data, ring->count * sizeof (iwh_tx_data_t));
}
}
/*
* initialize TX and RX ring
*/
static int
iwh_ring_init(iwh_sc_t *sc)
{
int i, err = DDI_SUCCESS;
for (i = 0; i < IWH_NUM_QUEUES; i++) {
if (IWH_CMD_QUEUE_NUM == i) {
continue;
}
err = iwh_alloc_tx_ring(sc, &sc->sc_txq[i], TFD_TX_CMD_SLOTS,
i);
if (err != DDI_SUCCESS) {
goto fail;
}
}
/*
* initialize command queue
*/
err = iwh_alloc_tx_ring(sc, &sc->sc_txq[IWH_CMD_QUEUE_NUM],
TFD_CMD_SLOTS, IWH_CMD_QUEUE_NUM);
if (err != DDI_SUCCESS) {
goto fail;
}
err = iwh_alloc_rx_ring(sc);
if (err != DDI_SUCCESS) {
goto fail;
}
return (err);
fail:
return (err);
}
static void
iwh_ring_free(iwh_sc_t *sc)
{
int i = IWH_NUM_QUEUES;
iwh_free_rx_ring(sc);
while (--i >= 0) {
iwh_free_tx_ring(&sc->sc_txq[i]);
}
}
/*
* allocate buffer for a node
*/
/*ARGSUSED*/
static ieee80211_node_t *
iwh_node_alloc(ieee80211com_t *ic)
{
iwh_amrr_t *amrr;
amrr = kmem_zalloc(sizeof (iwh_amrr_t), KM_SLEEP);
if (amrr != NULL) {
iwh_amrr_init(amrr);
}
return (&amrr->in);
}
static void
iwh_node_free(ieee80211_node_t *in)
{
ieee80211com_t *ic = in->in_ic;
ic->ic_node_cleanup(in);
if (in->in_wpa_ie != NULL) {
ieee80211_free(in->in_wpa_ie);
}
kmem_free(in, sizeof (iwh_amrr_t));
}
/*
* change station's state. this function will be invoked by 80211 module
* when need to change staton's state.
*/
static int
iwh_newstate(ieee80211com_t *ic, enum ieee80211_state nstate, int arg)
{
iwh_sc_t *sc = (iwh_sc_t *)ic;
ieee80211_node_t *in = ic->ic_bss;
enum ieee80211_state ostate = ic->ic_state;
int i, err = IWH_SUCCESS;
mutex_enter(&sc->sc_glock);
switch (nstate) {
case IEEE80211_S_SCAN:
switch (ostate) {
case IEEE80211_S_INIT:
{
iwh_add_sta_t node;
sc->sc_flags |= IWH_F_SCANNING;
iwh_set_led(sc, 2, 10, 2);
/*
* clear association to receive beacons from
* all BSS'es
*/
sc->sc_config.assoc_id = 0;
sc->sc_config.filter_flags &=
~LE_32(RXON_FILTER_ASSOC_MSK);
IWH_DBG((IWH_DEBUG_80211, "config chan %d "
"flags %x filter_flags %x\n", sc->sc_config.chan,
sc->sc_config.flags, sc->sc_config.filter_flags));
err = iwh_cmd(sc, REPLY_RXON, &sc->sc_config,
sizeof (iwh_rxon_cmd_t), 1);
if (err != IWH_SUCCESS) {
cmn_err(CE_WARN,
"could not clear association\n");
sc->sc_flags &= ~IWH_F_SCANNING;
mutex_exit(&sc->sc_glock);
return (err);
}
/* add broadcast node to send probe request */
(void) memset(&node, 0, sizeof (node));
(void) memset(&node.sta.addr, 0xff, IEEE80211_ADDR_LEN);
node.sta.sta_id = IWH_BROADCAST_ID;
err = iwh_cmd(sc, REPLY_ADD_STA, &node,
sizeof (node), 1);
if (err != IWH_SUCCESS) {
cmn_err(CE_WARN, "could not add "
"broadcast node\n");
sc->sc_flags &= ~IWH_F_SCANNING;
mutex_exit(&sc->sc_glock);
return (err);
}
break;
}
case IEEE80211_S_SCAN:
mutex_exit(&sc->sc_glock);
/* step to next channel before actual FW scan */
err = sc->sc_newstate(ic, nstate, arg);
mutex_enter(&sc->sc_glock);
if ((err != 0) || ((err = iwh_scan(sc)) != 0)) {
cmn_err(CE_WARN,
"could not initiate scan\n");
sc->sc_flags &= ~IWH_F_SCANNING;
ieee80211_cancel_scan(ic);
}
mutex_exit(&sc->sc_glock);
return (err);
default:
break;
}
sc->sc_clk = 0;
break;
case IEEE80211_S_AUTH:
if (ostate == IEEE80211_S_SCAN) {
sc->sc_flags &= ~IWH_F_SCANNING;
}
/*
* reset state to handle reassociations correctly
*/
sc->sc_config.assoc_id = 0;
sc->sc_config.filter_flags &= ~LE_32(RXON_FILTER_ASSOC_MSK);
/*
* before sending authentication and association request frame,
* we need do something in the hardware, such as setting the
* channel same to the target AP...
*/
if ((err = iwh_hw_set_before_auth(sc)) != 0) {
IWH_DBG((IWH_DEBUG_80211,
"could not send authentication request\n"));
mutex_exit(&sc->sc_glock);
return (err);
}
break;
case IEEE80211_S_RUN:
if (ostate == IEEE80211_S_SCAN) {
sc->sc_flags &= ~IWH_F_SCANNING;
}
if (IEEE80211_M_MONITOR == ic->ic_opmode) {
/* let LED blink when monitoring */
iwh_set_led(sc, 2, 10, 10);
break;
}
IWH_DBG((IWH_DEBUG_80211, "iwh: associated."));
/*
* update adapter's configuration
*/
if (sc->sc_assoc_id != in->in_associd) {
cmn_err(CE_WARN,
"associate ID mismatch: expected %d, "
"got %d\n",
in->in_associd, sc->sc_assoc_id);
}
sc->sc_config.assoc_id = in->in_associd & 0x3fff;
/*
* short preamble/slot time are
* negotiated when associating
*/
sc->sc_config.flags &=
~LE_32(RXON_FLG_SHORT_PREAMBLE_MSK |
RXON_FLG_SHORT_SLOT_MSK);
if (ic->ic_flags & IEEE80211_F_SHSLOT) {
sc->sc_config.flags |=
LE_32(RXON_FLG_SHORT_SLOT_MSK);
}
if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) {
sc->sc_config.flags |=
LE_32(RXON_FLG_SHORT_PREAMBLE_MSK);
}
sc->sc_config.filter_flags |=
LE_32(RXON_FILTER_ASSOC_MSK);
if (ic->ic_opmode != IEEE80211_M_STA) {
sc->sc_config.filter_flags |=
LE_32(RXON_FILTER_BCON_AWARE_MSK);
}
IWH_DBG((IWH_DEBUG_80211, "config chan %d flags %x"
" filter_flags %x\n",
sc->sc_config.chan, sc->sc_config.flags,
sc->sc_config.filter_flags));
err = iwh_cmd(sc, REPLY_RXON, &sc->sc_config,
sizeof (iwh_rxon_cmd_t), 1);
if (err != IWH_SUCCESS) {
IWH_DBG((IWH_DEBUG_80211,
"could not update configuration\n"));
mutex_exit(&sc->sc_glock);
return (err);
}
/*
* send tx power talbe command
*/
err = iwh_tx_power_table(sc, 1);
if (err != IWH_SUCCESS) {
cmn_err(CE_WARN, "iwh_config(): "
"failed to set tx power table.\n");
return (err);
}
/*
* start automatic rate control
*/
mutex_enter(&sc->sc_mt_lock);
if (IEEE80211_FIXED_RATE_NONE == ic->ic_fixed_rate) {
sc->sc_flags |= IWH_F_RATE_AUTO_CTL;
/*
* set rate to some reasonable initial value
*/
i = in->in_rates.ir_nrates - 1;
while (i > 0 && IEEE80211_RATE(i) > 72) {
i--;
}
in->in_txrate = i;
} else {
sc->sc_flags &= ~IWH_F_RATE_AUTO_CTL;
}
mutex_exit(&sc->sc_mt_lock);
/*
* set LED on after associated
*/
iwh_set_led(sc, 2, 0, 1);
break;
case IEEE80211_S_INIT:
if (ostate == IEEE80211_S_SCAN) {
sc->sc_flags &= ~IWH_F_SCANNING;
}
/*
* set LED off after init
*/
iwh_set_led(sc, 2, 1, 0);
break;
case IEEE80211_S_ASSOC:
if (ostate == IEEE80211_S_SCAN) {
sc->sc_flags &= ~IWH_F_SCANNING;
}
break;
}
mutex_exit(&sc->sc_glock);
return (sc->sc_newstate(ic, nstate, arg));
}
/*
* exclusive access to mac begin.
*/
static void
iwh_mac_access_enter(iwh_sc_t *sc)
{
uint32_t tmp;
int n;
tmp = IWH_READ(sc, CSR_GP_CNTRL);
IWH_WRITE(sc, CSR_GP_CNTRL,
tmp | CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ);
/* wait until we succeed */
for (n = 0; n < 1000; n++) {
if ((IWH_READ(sc, CSR_GP_CNTRL) &
(CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY |
CSR_GP_CNTRL_REG_FLAG_GOING_TO_SLEEP)) ==
CSR_GP_CNTRL_REG_VAL_MAC_ACCESS_EN) {
break;
}
DELAY(10);
}
#ifdef DEBUG
if (1000 == n) {
IWH_DBG((IWH_DEBUG_PIO, "could not lock memory\n"));
}
#endif
}
/*
* exclusive access to mac end.
*/
static void
iwh_mac_access_exit(iwh_sc_t *sc)
{
uint32_t tmp = IWH_READ(sc, CSR_GP_CNTRL);
IWH_WRITE(sc, CSR_GP_CNTRL,
tmp & ~CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ);
}
/*
* this function defined here for future use.
* static uint32_t
* iwh_mem_read(iwh_sc_t *sc, uint32_t addr)
* {
* IWH_WRITE(sc, HBUS_TARG_MEM_RADDR, addr);
* return (IWH_READ(sc, HBUS_TARG_MEM_RDAT));
* }
*/
/*
* write mac memory
*/
static void
iwh_mem_write(iwh_sc_t *sc, uint32_t addr, uint32_t data)
{
IWH_WRITE(sc, HBUS_TARG_MEM_WADDR, addr);
IWH_WRITE(sc, HBUS_TARG_MEM_WDAT, data);
}
/*
* read mac register
*/
static uint32_t
iwh_reg_read(iwh_sc_t *sc, uint32_t addr)
{
IWH_WRITE(sc, HBUS_TARG_PRPH_RADDR, addr | (3 << 24));
return (IWH_READ(sc, HBUS_TARG_PRPH_RDAT));
}
/*
* write mac register
*/
static void
iwh_reg_write(iwh_sc_t *sc, uint32_t addr, uint32_t data)
{
IWH_WRITE(sc, HBUS_TARG_PRPH_WADDR, addr | (3 << 24));
IWH_WRITE(sc, HBUS_TARG_PRPH_WDAT, data);
}
/*
* steps of loading ucode:
* load init ucode=>init alive=>calibrate=>
* receive calibration result=>reinitialize NIC=>
* load runtime ucode=>runtime alive=>
* send calibration result=>running.
*/
static int
iwh_load_init_firmware(iwh_sc_t *sc)
{
int err;
clock_t clk;
sc->sc_flags &= ~IWH_F_PUT_SEG;
/*
* load init_text section of uCode to hardware
*/
err = iwh_put_seg_fw(sc, sc->sc_dma_fw_init_text.cookie.dmac_address,
RTC_INST_LOWER_BOUND, sc->sc_dma_fw_init_text.cookie.dmac_size);
if (err != IWH_SUCCESS) {
cmn_err(CE_WARN, "iwh_load_init_firmware(): "
"failed to write init uCode.\n");
return (err);
}
clk = ddi_get_lbolt() + drv_usectohz(1000000);
/* wait loading init_text until completed or timeout */
while (!(sc->sc_flags & IWH_F_PUT_SEG)) {
if (cv_timedwait(&sc->sc_put_seg_cv, &sc->sc_glock, clk) < 0) {
break;
}
}
if (!(sc->sc_flags & IWH_F_PUT_SEG)) {
cmn_err(CE_WARN, "iwh_load_init_firmware(): "
"timeout waiting for init uCode load.\n");
return (IWH_FAIL);
}
sc->sc_flags &= ~IWH_F_PUT_SEG;
/*
* load init_data section of uCode to hardware
*/
err = iwh_put_seg_fw(sc, sc->sc_dma_fw_init_data.cookie.dmac_address,
RTC_DATA_LOWER_BOUND, sc->sc_dma_fw_init_data.cookie.dmac_size);
if (err != IWH_SUCCESS) {
cmn_err(CE_WARN, "iwh_load_init_firmware(): "
"failed to write init_data uCode.\n");
return (err);
}
clk = ddi_get_lbolt() + drv_usectohz(1000000);
/*
* wait loading init_data until completed or timeout
*/
while (!(sc->sc_flags & IWH_F_PUT_SEG)) {
if (cv_timedwait(&sc->sc_put_seg_cv, &sc->sc_glock, clk) < 0) {
break;
}
}
if (!(sc->sc_flags & IWH_F_PUT_SEG)) {
cmn_err(CE_WARN, "iwh_load_init_firmware(): "
"timeout waiting for init_data uCode load.\n");
return (IWH_FAIL);
}
sc->sc_flags &= ~IWH_F_PUT_SEG;
return (err);
}
static int
iwh_load_run_firmware(iwh_sc_t *sc)
{
int err;
clock_t clk;
sc->sc_flags &= ~IWH_F_PUT_SEG;
/*
* load init_text section of uCode to hardware
*/
err = iwh_put_seg_fw(sc, sc->sc_dma_fw_text.cookie.dmac_address,
RTC_INST_LOWER_BOUND, sc->sc_dma_fw_text.cookie.dmac_size);
if (err != IWH_SUCCESS) {
cmn_err(CE_WARN, "iwh_load_run_firmware(): "
"failed to write run uCode.\n");
return (err);
}
clk = ddi_get_lbolt() + drv_usectohz(1000000);
/* wait loading run_text until completed or timeout */
while (!(sc->sc_flags & IWH_F_PUT_SEG)) {
if (cv_timedwait(&sc->sc_put_seg_cv, &sc->sc_glock, clk) < 0) {
break;
}
}
if (!(sc->sc_flags & IWH_F_PUT_SEG)) {
cmn_err(CE_WARN, "iwh_load_run_firmware(): "
"timeout waiting for run uCode load.\n");
return (IWH_FAIL);
}
sc->sc_flags &= ~IWH_F_PUT_SEG;
/*
* load run_data section of uCode to hardware
*/
err = iwh_put_seg_fw(sc, sc->sc_dma_fw_data_bak.cookie.dmac_address,
RTC_DATA_LOWER_BOUND, sc->sc_dma_fw_data.cookie.dmac_size);
if (err != IWH_SUCCESS) {
cmn_err(CE_WARN, "iwh_load_run_firmware(): "
"failed to write run_data uCode.\n");
return (err);
}
clk = ddi_get_lbolt() + drv_usectohz(1000000);
/*
* wait loading run_data until completed or timeout
*/
while (!(sc->sc_flags & IWH_F_PUT_SEG)) {
if (cv_timedwait(&sc->sc_put_seg_cv, &sc->sc_glock, clk) < 0) {
break;
}
}
if (!(sc->sc_flags & IWH_F_PUT_SEG)) {
cmn_err(CE_WARN, "iwh_load_run_firmware(): "
"timeout waiting for run_data uCode load.\n");
return (IWH_FAIL);
}
sc->sc_flags &= ~IWH_F_PUT_SEG;
return (err);
}
/*
* this function will be invoked to receive phy information
* when a frame is received.
*/
static void
iwh_rx_phy_intr(iwh_sc_t *sc, iwh_rx_desc_t *desc)
{
sc->sc_rx_phy_res.flag = 1;
(void) memcpy(sc->sc_rx_phy_res.buf, (uint8_t *)(desc + 1),
sizeof (iwh_rx_phy_res_t));
}
/*
* this function will be invoked to receive body of frame when
* a frame is received.
*/
static void
iwh_rx_mpdu_intr(iwh_sc_t *sc, iwh_rx_desc_t *desc)
{
ieee80211com_t *ic = &sc->sc_ic;
#ifdef DEBUG
iwh_rx_ring_t *ring = &sc->sc_rxq;
#endif
iwh_rx_phy_res_t *stat;
ieee80211_node_t *in;
uint32_t *tail;
struct ieee80211_frame *wh;
mblk_t *mp;
uint16_t len, rssi, agc;
int16_t t;
struct iwh_rx_non_cfg_phy *phyinfo;
uint32_t temp;
uint32_t arssi, brssi, crssi, mrssi;
struct iwh_rx_mpdu_body_size *mpdu_size;
/*
* assuming not 11n here. cope with 11n in phase-II
*/
mpdu_size = (struct iwh_rx_mpdu_body_size *)(desc + 1);
stat = (iwh_rx_phy_res_t *)sc->sc_rx_phy_res.buf;
if (stat->cfg_phy_cnt > 20) {
return;
}
phyinfo = (struct iwh_rx_non_cfg_phy *)stat->non_cfg_phy;
temp = phyinfo->non_cfg_phy[IWH_RX_RES_AGC_IDX];
agc = (temp & IWH_OFDM_AGC_MSK) >> IWH_OFDM_AGC_BIT_POS;
temp = phyinfo->non_cfg_phy[IWH_RX_RES_RSSI_AB_IDX];
arssi = (temp & IWH_OFDM_RSSI_A_MSK) >> IWH_OFDM_RSSI_A_BIT_POS;
brssi = (temp & IWH_OFDM_RSSI_B_MSK) >> IWH_OFDM_RSSI_B_BIT_POS;
temp = phyinfo->non_cfg_phy[IWH_RX_RES_RSSI_C_IDX];
crssi = (temp & IWH_OFDM_RSSI_C_MSK) >> IWH_OFDM_RSSI_C_BIT_POS;
mrssi = MAX(arssi, brssi);
mrssi = MAX(mrssi, crssi);
t = mrssi - agc - IWH_RSSI_OFFSET;
/*
* convert dBm to percentage
*/
rssi = (100 * 75 * 75 - (-20 - t) * (15 * 75 + 62 * (-20 - t)))
/ (75 * 75);
if (rssi > 100) {
rssi = 100;
}
if (rssi < 1) {
rssi = 1;
}
/*
* size of frame, not include FCS
*/
len = mpdu_size->byte_count;
tail = (uint32_t *)((uint8_t *)(desc + 1) +
sizeof (struct iwh_rx_mpdu_body_size) + len);
IWH_DBG((IWH_DEBUG_RX, "rx intr: idx=%d phy_len=%x len=%d "
"rate=%x chan=%d tstamp=%x non_cfg_phy_count=%x "
"cfg_phy_count=%x tail=%x", ring->cur, sizeof (*stat),
len, stat->rate.r.s.rate, stat->channel,
LE_32(stat->timestampl), stat->non_cfg_phy_cnt,
stat->cfg_phy_cnt, LE_32(*tail)));
if ((len < 16) || (len > sc->sc_dmabuf_sz)) {
IWH_DBG((IWH_DEBUG_RX, "rx frame oversize\n"));
return;
}
/*
* discard Rx frames with bad CRC
*/
if ((LE_32(*tail) &
(RX_RES_STATUS_NO_CRC32_ERROR | RX_RES_STATUS_NO_RXE_OVERFLOW)) !=
(RX_RES_STATUS_NO_CRC32_ERROR | RX_RES_STATUS_NO_RXE_OVERFLOW)) {
IWH_DBG((IWH_DEBUG_RX, "rx crc error tail: %x\n",
LE_32(*tail)));
sc->sc_rx_err++;
return;
}
wh = (struct ieee80211_frame *)
((uint8_t *)(desc + 1)+ sizeof (struct iwh_rx_mpdu_body_size));
if (IEEE80211_FC0_SUBTYPE_ASSOC_RESP == *(uint8_t *)wh) {
sc->sc_assoc_id = *((uint16_t *)(wh + 1) + 2);
IWH_DBG((IWH_DEBUG_RX, "rx : association id = %x\n",
sc->sc_assoc_id));
}
#ifdef DEBUG
if (iwh_dbg_flags & IWH_DEBUG_RX) {
ieee80211_dump_pkt((uint8_t *)wh, len, 0, 0);
}
#endif
in = ieee80211_find_rxnode(ic, wh);
mp = allocb(len, BPRI_MED);
if (mp) {
(void) memcpy(mp->b_wptr, wh, len);
mp->b_wptr += len;
/*
* send the frame to the 802.11 layer
*/
(void) ieee80211_input(ic, mp, in, rssi, 0);
} else {
sc->sc_rx_nobuf++;
IWH_DBG((IWH_DEBUG_RX,
"iwh_rx_mpdu_intr(): alloc rx buf failed\n"));
}
/*
* release node reference
*/
ieee80211_free_node(in);
}
/*
* process correlative affairs after a frame is sent.
*/
static void
iwh_tx_intr(iwh_sc_t *sc, iwh_rx_desc_t *desc)
{
ieee80211com_t *ic = &sc->sc_ic;
iwh_tx_ring_t *ring = &sc->sc_txq[desc->hdr.qid & 0x3];
iwh_tx_stat_t *stat = (iwh_tx_stat_t *)(desc + 1);
iwh_amrr_t *amrr = (iwh_amrr_t *)ic->ic_bss;
amrr->txcnt++;
IWH_DBG((IWH_DEBUG_RATECTL, "tx: %d cnt\n", amrr->txcnt));
if (stat->ntries > 0) {
amrr->retrycnt++;
sc->sc_tx_retries++;
IWH_DBG((IWH_DEBUG_TX, "tx: %d retries\n",
sc->sc_tx_retries));
}
sc->sc_tx_timer = 0;
mutex_enter(&sc->sc_tx_lock);
ring->queued--;
if (ring->queued < 0) {
ring->queued = 0;
}
if ((sc->sc_need_reschedule) && (ring->queued <= (ring->count << 3))) {
sc->sc_need_reschedule = 0;
mutex_exit(&sc->sc_tx_lock);
mac_tx_update(ic->ic_mach);
mutex_enter(&sc->sc_tx_lock);
}
mutex_exit(&sc->sc_tx_lock);
}
/*
* inform a given command has been executed
*/
static void
iwh_cmd_intr(iwh_sc_t *sc, iwh_rx_desc_t *desc)
{
if ((desc->hdr.qid & 7) != 4) {
return;
}
mutex_enter(&sc->sc_glock);
sc->sc_flags |= IWH_F_CMD_DONE;
cv_signal(&sc->sc_cmd_cv);
mutex_exit(&sc->sc_glock);
IWH_DBG((IWH_DEBUG_CMD, "rx cmd: "
"qid=%x idx=%d flags=%x type=0x%x\n",
desc->hdr.qid, desc->hdr.idx, desc->hdr.flags,
desc->hdr.type));
}
/*
* this function will be invoked when alive notification occur.
*/
static void
iwh_ucode_alive(iwh_sc_t *sc, iwh_rx_desc_t *desc)
{
uint32_t rv;
struct iwh_calib_cfg_cmd cmd;
struct iwh_alive_resp *ar =
(struct iwh_alive_resp *)(desc + 1);
struct iwh_calib_results *res_p = &sc->sc_calib_results;
/*
* the microcontroller is ready
*/
IWH_DBG((IWH_DEBUG_FW,
"microcode alive notification minor: %x major: %x type:"
" %x subtype: %x\n",
ar->ucode_minor, ar->ucode_minor, ar->ver_type, ar->ver_subtype));
#ifdef DEBUG
if (LE_32(ar->is_valid) != UCODE_VALID_OK) {
IWH_DBG((IWH_DEBUG_FW,
"microcontroller initialization failed\n"));
}
#endif
/*
* determine if init alive or runtime alive.
*/
if (INITIALIZE_SUBTYPE == ar->ver_subtype) {
IWH_DBG((IWH_DEBUG_FW,
"initialization alive received.\n"));
(void) memcpy(&sc->sc_card_alive_init, ar,
sizeof (struct iwh_init_alive_resp));
/*
* necessary configuration to NIC
*/
mutex_enter(&sc->sc_glock);
rv = iwh_alive_common(sc);
if (rv != IWH_SUCCESS) {
cmn_err(CE_WARN, "iwh_ucode_alive(): "
"common alive process failed in init alive.\n");
mutex_exit(&sc->sc_glock);
return;
}
(void) memset(&cmd, 0, sizeof (cmd));
cmd.ucd_calib_cfg.once.is_enable = IWH_CALIB_INIT_CFG_ALL;
cmd.ucd_calib_cfg.once.start = IWH_CALIB_INIT_CFG_ALL;
cmd.ucd_calib_cfg.once.send_res = IWH_CALIB_INIT_CFG_ALL;
cmd.ucd_calib_cfg.flags = IWH_CALIB_INIT_CFG_ALL;
/*
* require ucode execute calibration
*/
rv = iwh_cmd(sc, CALIBRATION_CFG_CMD, &cmd, sizeof (cmd), 1);
if (rv != IWH_SUCCESS) {
cmn_err(CE_WARN, "iwh_ucode_alive(): "
"failed to send calibration configure command.\n");
mutex_exit(&sc->sc_glock);
return;
}
mutex_exit(&sc->sc_glock);
} else { /* runtime alive */
IWH_DBG((IWH_DEBUG_FW, "runtime alive received.\n"));
(void) memcpy(&sc->sc_card_alive_run, ar,
sizeof (struct iwh_alive_resp));
mutex_enter(&sc->sc_glock);
/*
* necessary configuration to NIC
*/
rv = iwh_alive_common(sc);
if (rv != IWH_SUCCESS) {
cmn_err(CE_WARN, "iwh_ucode_alive(): "
"common alive process failed in run alive.\n");
mutex_exit(&sc->sc_glock);
return;
}
/*
* send the result of local oscilator calibration to uCode.
*/
if (res_p->lo_res != NULL) {
rv = iwh_cmd(sc, REPLY_PHY_CALIBRATION_CMD,
res_p->lo_res, res_p->lo_res_len, 1);
if (rv != IWH_SUCCESS) {
cmn_err(CE_WARN, "iwh_ucode_alive(): "
"failed to send local"
"oscilator calibration command.\n");
mutex_exit(&sc->sc_glock);
return;
}
DELAY(1000);
}
/*
* send the result of TX IQ calibration to uCode.
*/
if (res_p->tx_iq_res != NULL) {
rv = iwh_cmd(sc, REPLY_PHY_CALIBRATION_CMD,
res_p->tx_iq_res, res_p->tx_iq_res_len, 1);
if (rv != IWH_SUCCESS) {
cmn_err(CE_WARN, "iwh_ucode_alive(): "
"failed to send TX IQ"
"calibration command.\n");
mutex_exit(&sc->sc_glock);
return;
}
DELAY(1000);
}
/*
* sned the result of TX IQ perd calibration to uCode.
*/
if (res_p->tx_iq_perd_res != NULL) {
rv = iwh_cmd(sc, REPLY_PHY_CALIBRATION_CMD,
res_p->tx_iq_perd_res,
res_p->tx_iq_perd_res_len, 1);
if (rv != IWH_SUCCESS) {
cmn_err(CE_WARN, "iwh_ucode_alive(): "
"failed to send TX IQ perd"
"calibration command.\n");
mutex_exit(&sc->sc_glock);
return;
}
DELAY(1000);
}
mutex_exit(&sc->sc_glock);
sc->sc_flags |= IWH_F_FW_INIT;
cv_signal(&sc->sc_ucode_cv);
}
}
/*
* deal with receiving frames, command response
* and all notifications from ucode.
*/
static uint_t
/* LINTED: argument unused in function: unused */
iwh_rx_softintr(caddr_t arg, caddr_t unused)
{
iwh_sc_t *sc = (iwh_sc_t *)arg;
ieee80211com_t *ic = &sc->sc_ic;
iwh_rx_desc_t *desc;
iwh_rx_data_t *data;
uint32_t index;
mutex_enter(&sc->sc_glock);
if (sc->sc_rx_softint_pending != 1) {
mutex_exit(&sc->sc_glock);
return (DDI_INTR_UNCLAIMED);
}
/*
* disable interrupts
*/
IWH_WRITE(sc, CSR_INT_MASK, 0);
mutex_exit(&sc->sc_glock);
/*
* firmware has moved the index of the rx queue, driver get it,
* and deal with it.
*/
index = LE_32(sc->sc_shared->val0) & 0xfff;
while (sc->sc_rxq.cur != index) {
data = &sc->sc_rxq.data[sc->sc_rxq.cur];
desc = (iwh_rx_desc_t *)data->dma_data.mem_va;
IWH_DBG((IWH_DEBUG_INTR, "rx notification index = %d"
" cur = %d qid=%x idx=%d flags=%x type=%x len=%d\n",
index, sc->sc_rxq.cur, desc->hdr.qid, desc->hdr.idx,
desc->hdr.flags, desc->hdr.type, LE_32(desc->len)));
/*
* a command other than a tx need to be replied
*/
if (!(desc->hdr.qid & 0x80) &&
(desc->hdr.type != REPLY_RX_PHY_CMD) &&
(desc->hdr.type != REPLY_RX_MPDU_CMD) &&
(desc->hdr.type != REPLY_TX) &&
(desc->hdr.type != REPLY_PHY_CALIBRATION_CMD)) {
iwh_cmd_intr(sc, desc);
}
switch (desc->hdr.type) {
case REPLY_RX_PHY_CMD:
iwh_rx_phy_intr(sc, desc);
break;
case REPLY_RX_MPDU_CMD:
iwh_rx_mpdu_intr(sc, desc);
break;
case REPLY_TX:
iwh_tx_intr(sc, desc);
break;
case REPLY_ALIVE:
iwh_ucode_alive(sc, desc);
break;
case CARD_STATE_NOTIFICATION:
{
uint32_t *status = (uint32_t *)(desc + 1);
IWH_DBG((IWH_DEBUG_RADIO, "state changed to %x\n",
LE_32(*status)));
if (LE_32(*status) & 1) {
/*
* the radio button has to be pushed(OFF). It
* is considered as a hw error, the
* iwh_thread() tries to recover it after the
* button is pushed again(ON)
*/
cmn_err(CE_WARN, "iwh_rx_softintr(): "
"radio transmitter is off\n");
sc->sc_ostate = sc->sc_ic.ic_state;
ieee80211_new_state(&sc->sc_ic,
IEEE80211_S_INIT, -1);
sc->sc_flags |=
(IWH_F_HW_ERR_RECOVER | IWH_F_RADIO_OFF);
}
break;
}
case SCAN_START_NOTIFICATION:
{
iwh_start_scan_t *scan =
(iwh_start_scan_t *)(desc + 1);
IWH_DBG((IWH_DEBUG_SCAN,
"scanning channel %d status %x\n",
scan->chan, LE_32(scan->status)));
ic->ic_curchan = &ic->ic_sup_channels[scan->chan];
break;
}
case SCAN_COMPLETE_NOTIFICATION:
{
iwh_stop_scan_t *scan =
(iwh_stop_scan_t *)(desc + 1);
IWH_DBG((IWH_DEBUG_SCAN,
"completed channel %d (burst of %d) status %02x\n",
scan->chan, scan->nchan, scan->status));
sc->sc_scan_pending++;
break;
}
case STATISTICS_NOTIFICATION:
{
/*
* handle statistics notification
*/
break;
}
case CALIBRATION_RES_NOTIFICATION:
iwh_save_calib_result(sc, desc);
break;
case CALIBRATION_COMPLETE_NOTIFICATION:
sc->sc_flags |= IWH_F_FW_INIT;
cv_signal(&sc->sc_ucode_cv);
break;
}
sc->sc_rxq.cur = (sc->sc_rxq.cur + 1) % RX_QUEUE_SIZE;
}
/*
* driver dealt with what received in rx queue and tell the information
* to the firmware.
*/
index = (0 == index) ? RX_QUEUE_SIZE - 1 : index - 1;
IWH_WRITE(sc, FH_RSCSR_CHNL0_RBDCB_WPTR_REG, index & (~7));
mutex_enter(&sc->sc_glock);
/*
* re-enable interrupts
*/
IWH_WRITE(sc, CSR_INT_MASK, CSR_INI_SET_MASK);
sc->sc_rx_softint_pending = 0;
mutex_exit(&sc->sc_glock);
return (DDI_INTR_CLAIMED);
}
/*
* the handle of interrupt
*/
static uint_t
/* LINTED: argument unused in function: unused */
iwh_intr(caddr_t arg, caddr_t unused)
{
iwh_sc_t *sc = (iwh_sc_t *)arg;
uint32_t r, rfh;
mutex_enter(&sc->sc_glock);
if (sc->sc_flags & IWH_F_SUSPEND) {
mutex_exit(&sc->sc_glock);
return (DDI_INTR_UNCLAIMED);
}
r = IWH_READ(sc, CSR_INT);
if (0 == r || 0xffffffff == r) {
mutex_exit(&sc->sc_glock);
return (DDI_INTR_UNCLAIMED);
}
IWH_DBG((IWH_DEBUG_INTR, "interrupt reg %x\n", r));
rfh = IWH_READ(sc, CSR_FH_INT_STATUS);
IWH_DBG((IWH_DEBUG_INTR, "FH interrupt reg %x\n", rfh));
/*
* disable interrupts
*/
IWH_WRITE(sc, CSR_INT_MASK, 0);
/*
* ack interrupts
*/
IWH_WRITE(sc, CSR_INT, r);
IWH_WRITE(sc, CSR_FH_INT_STATUS, rfh);
if (NULL == sc->sc_soft_hdl) {
mutex_exit(&sc->sc_glock);
return (DDI_INTR_CLAIMED);
}
if (r & (BIT_INT_SWERROR | BIT_INT_ERR)) {
IWH_DBG((IWH_DEBUG_FW, "fatal firmware error\n"));
mutex_exit(&sc->sc_glock);
iwh_stop(sc);
sc->sc_ostate = sc->sc_ic.ic_state;
ieee80211_new_state(&sc->sc_ic, IEEE80211_S_INIT, -1);
sc->sc_flags |= IWH_F_HW_ERR_RECOVER;
return (DDI_INTR_CLAIMED);
}
#ifdef DEBUG
if (r & BIT_INT_RF_KILL) {
IWH_DBG((IWH_DEBUG_RADIO, "RF kill\n"));
}
#endif
if ((r & (BIT_INT_FH_RX | BIT_INT_SW_RX)) ||
(rfh & FH_INT_RX_MASK)) {
sc->sc_rx_softint_pending = 1;
(void) ddi_intr_trigger_softint(sc->sc_soft_hdl, NULL);
}
if (r & BIT_INT_FH_TX) {
sc->sc_flags |= IWH_F_PUT_SEG;
cv_signal(&sc->sc_put_seg_cv);
}
#ifdef DEBUG
if (r & BIT_INT_ALIVE) {
IWH_DBG((IWH_DEBUG_FW, "firmware initialized.\n"));
}
#endif
/*
* re-enable interrupts
*/
IWH_WRITE(sc, CSR_INT_MASK, CSR_INI_SET_MASK);
mutex_exit(&sc->sc_glock);
return (DDI_INTR_CLAIMED);
}
static uint8_t
iwh_rate_to_plcp(int rate)
{
uint8_t ret;
switch (rate) {
/*
* CCK rates
*/
case 2:
ret = 0xa;
break;
case 4:
ret = 0x14;
break;
case 11:
ret = 0x37;
break;
case 22:
ret = 0x6e;
break;
/*
* OFDM rates
*/
case 12:
ret = 0xd;
break;
case 18:
ret = 0xf;
break;
case 24:
ret = 0x5;
break;
case 36:
ret = 0x7;
break;
case 48:
ret = 0x9;
break;
case 72:
ret = 0xb;
break;
case 96:
ret = 0x1;
break;
case 108:
ret = 0x3;
break;
default:
ret = 0;
break;
}
return (ret);
}
/*
* invoked by GLD send frames
*/
static mblk_t *
iwh_m_tx(void *arg, mblk_t *mp)
{
iwh_sc_t *sc = (iwh_sc_t *)arg;
ieee80211com_t *ic = &sc->sc_ic;
mblk_t *next;
if (sc->sc_flags & IWH_F_SUSPEND) {
freemsgchain(mp);
return (NULL);
}
if (ic->ic_state != IEEE80211_S_RUN) {
freemsgchain(mp);
return (NULL);
}
while (mp != NULL) {
next = mp->b_next;
mp->b_next = NULL;
if (iwh_send(ic, mp, IEEE80211_FC0_TYPE_DATA) != 0) {
mp->b_next = next;
break;
}
mp = next;
}
return (mp);
}
/*
* send frames
*/
static int
iwh_send(ieee80211com_t *ic, mblk_t *mp, uint8_t type)
{
iwh_sc_t *sc = (iwh_sc_t *)ic;
iwh_tx_ring_t *ring;
iwh_tx_desc_t *desc;
iwh_tx_data_t *data;
iwh_cmd_t *cmd;
iwh_tx_cmd_t *tx;
ieee80211_node_t *in;
struct ieee80211_frame *wh;
struct ieee80211_key *k = NULL;
mblk_t *m, *m0;
int rate, hdrlen, len, len0, mblen, off, err = IWH_SUCCESS;
uint16_t masks = 0;
uint32_t s_id = 0;
ring = &sc->sc_txq[0];
data = &ring->data[ring->cur];
desc = data->desc;
cmd = data->cmd;
bzero(desc, sizeof (*desc));
bzero(cmd, sizeof (*cmd));
mutex_enter(&sc->sc_tx_lock);
if (sc->sc_flags & IWH_F_SUSPEND) {
mutex_exit(&sc->sc_tx_lock);
if ((type & IEEE80211_FC0_TYPE_MASK) !=
IEEE80211_FC0_TYPE_DATA) {
freemsg(mp);
}
err = IWH_FAIL;
goto exit;
}
if (ring->queued > ring->count - 64) {
IWH_DBG((IWH_DEBUG_TX, "iwh_send(): no txbuf\n"));
sc->sc_need_reschedule = 1;
mutex_exit(&sc->sc_tx_lock);
if ((type & IEEE80211_FC0_TYPE_MASK) !=
IEEE80211_FC0_TYPE_DATA) {
freemsg(mp);
}
sc->sc_tx_nobuf++;
err = IWH_FAIL;
goto exit;
}
mutex_exit(&sc->sc_tx_lock);
hdrlen = sizeof (struct ieee80211_frame);
m = allocb(msgdsize(mp) + 32, BPRI_MED);
if (NULL == m) { /* can not alloc buf, drop this package */
cmn_err(CE_WARN, "iwh_send(): "
"failed to allocate msgbuf\n");
freemsg(mp);
err = IWH_SUCCESS;
goto exit;
}
for (off = 0, m0 = mp; m0 != NULL; m0 = m0->b_cont) {
mblen = MBLKL(m0);
(void) memcpy(m->b_rptr + off, m0->b_rptr, mblen);
off += mblen;
}
m->b_wptr += off;
freemsg(mp);
wh = (struct ieee80211_frame *)m->b_rptr;
/*
* determine send which AP or station in IBSS
*/
in = ieee80211_find_txnode(ic, wh->i_addr1);
if (NULL == in) {
cmn_err(CE_WARN, "iwh_send(): "
"failed to find tx node\n");
freemsg(m);
sc->sc_tx_err++;
err = IWH_SUCCESS;
goto exit;
}
(void) ieee80211_encap(ic, m, in);
cmd->hdr.type = REPLY_TX;
cmd->hdr.flags = 0;
cmd->hdr.qid = ring->qid;
cmd->hdr.idx = ring->cur;
tx = (iwh_tx_cmd_t *)cmd->data;
tx->tx_flags = 0;
if (IEEE80211_IS_MULTICAST(wh->i_addr1)) {
tx->tx_flags &= ~(LE_32(TX_CMD_FLG_ACK_MSK));
} else {
tx->tx_flags |= LE_32(TX_CMD_FLG_ACK_MSK);
}
if (wh->i_fc[1] & IEEE80211_FC1_WEP) {
k = ieee80211_crypto_encap(ic, m);
if (NULL == k) {
freemsg(m);
sc->sc_tx_err++;
err = IWH_SUCCESS;
goto exit;
}
/* packet header may have moved, reset our local pointer */
wh = (struct ieee80211_frame *)m->b_rptr;
}
len = msgdsize(m);
#ifdef DEBUG
if (iwh_dbg_flags & IWH_DEBUG_TX) {
ieee80211_dump_pkt((uint8_t *)wh, hdrlen, 0, 0);
}
#endif
/*
* pickup a rate
*/
if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) ==
IEEE80211_FC0_TYPE_MGT) {
/*
* mgmt frames are sent at 1M
*/
rate = in->in_rates.ir_rates[0];
} else {
/*
* do it here for the software way rate control.
* later for rate scaling in hardware.
* maybe like the following, for management frame:
* tx->initial_rate_index = LINK_QUAL_MAX_RETRY_NUM - 1;
* for data frame:
* tx->tx_flags |= (LE_32(TX_CMD_FLG_STA_RATE_MSK));
* rate = in->in_rates.ir_rates[in->in_txrate];
* tx->initial_rate_index = 1;
*
* now the txrate is determined in tx cmd flags, set to the
* max value 54M for 11g and 11M for 11b.
*/
if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE) {
rate = ic->ic_fixed_rate;
} else {
rate = in->in_rates.ir_rates[in->in_txrate];
}
}
rate &= IEEE80211_RATE_VAL;
IWH_DBG((IWH_DEBUG_TX, "tx rate[%d of %d] = %x",
in->in_txrate, in->in_rates.ir_nrates, rate));
tx->tx_flags |= (LE_32(TX_CMD_FLG_SEQ_CTL_MSK));
len0 = roundup(4 + sizeof (iwh_tx_cmd_t) + hdrlen, 4);
if (len0 != (4 + sizeof (iwh_tx_cmd_t) + hdrlen)) {
tx->tx_flags |= TX_CMD_FLG_MH_PAD_MSK;
}
/*
* retrieve destination node's id
*/
if (IEEE80211_IS_MULTICAST(wh->i_addr1)) {
tx->sta_id = IWH_BROADCAST_ID;
} else {
tx->sta_id = IWH_AP_ID;
}
if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) ==
IEEE80211_FC0_TYPE_MGT) {
/* tell h/w to set timestamp in probe responses */
if ((wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) ==
IEEE80211_FC0_SUBTYPE_PROBE_RESP) {
tx->tx_flags |= LE_32(TX_CMD_FLG_TSF_MSK);
}
if (((wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) ==
IEEE80211_FC0_SUBTYPE_ASSOC_REQ) ||
((wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) ==
IEEE80211_FC0_SUBTYPE_REASSOC_REQ)) {
tx->timeout.pm_frame_timeout = 3;
} else {
tx->timeout.pm_frame_timeout = 2;
}
} else {
tx->timeout.pm_frame_timeout = 0;
}
if (2 == rate || 4 == rate || 11 == rate || 22 == rate) {
masks |= RATE_MCS_CCK_MSK;
}
masks |= RATE_MCS_ANT_B_MSK;
tx->rate.r.rate_n_flags = (iwh_rate_to_plcp(rate) | masks);
IWH_DBG((IWH_DEBUG_TX, "tx flag = %x",
tx->tx_flags));
tx->rts_retry_limit = 60;
tx->data_retry_limit = 15;
tx->stop_time.life_time = LE_32(0xffffffff);
tx->len = LE_16(len);
tx->dram_lsb_ptr =
data->paddr_cmd + 4 + offsetof(iwh_tx_cmd_t, scratch);
tx->dram_msb_ptr = 0;
tx->driver_txop = 0;
tx->next_frame_len = 0;
(void) memcpy(tx + 1, m->b_rptr, hdrlen);
m->b_rptr += hdrlen;
(void) memcpy(data->dma_data.mem_va, m->b_rptr, len - hdrlen);
IWH_DBG((IWH_DEBUG_TX, "sending data: qid=%d idx=%d len=%d",
ring->qid, ring->cur, len));
/*
* first segment includes the tx cmd plus the 802.11 header,
* the second includes the remaining of the 802.11 frame.
*/
desc->val0 = LE_32(2 << 24);
desc->pa[0].tb1_addr = LE_32(data->paddr_cmd);
desc->pa[0].val1 = ((len0 << 4) & 0xfff0) |
((data->dma_data.cookie.dmac_address & 0xffff) << 16);
desc->pa[0].val2 =
((data->dma_data.cookie.dmac_address & 0xffff0000) >> 16) |
((len - hdrlen) << 20);
IWH_DBG((IWH_DEBUG_TX, "phy addr1 = 0x%x phy addr2 = 0x%x "
"len1 = 0x%x, len2 = 0x%x val1 = 0x%x val2 = 0x%x",
data->paddr_cmd, data->dma_data.cookie.dmac_address,
len0, len - hdrlen, desc->pa[0].val1, desc->pa[0].val2));
mutex_enter(&sc->sc_tx_lock);
ring->queued++;
mutex_exit(&sc->sc_tx_lock);
/*
* kick ring
*/
s_id = tx->sta_id;
sc->sc_shared->queues_byte_cnt_tbls[ring->qid].
tfd_offset[ring->cur].val =
(8 + len) | (s_id << 12);
if (ring->cur < IWH_MAX_WIN_SIZE) {
sc->sc_shared->queues_byte_cnt_tbls[ring->qid].
tfd_offset[IWH_QUEUE_SIZE + ring->cur].val =
(8 + len) | (s_id << 12);
}
IWH_DMA_SYNC(data->dma_data, DDI_DMA_SYNC_FORDEV);
IWH_DMA_SYNC(ring->dma_desc, DDI_DMA_SYNC_FORDEV);
ring->cur = (ring->cur + 1) % ring->count;
IWH_WRITE(sc, HBUS_TARG_WRPTR, ring->qid << 8 | ring->cur);
freemsg(m);
/*
* release node reference
*/
ieee80211_free_node(in);
ic->ic_stats.is_tx_bytes += len;
ic->ic_stats.is_tx_frags++;
if (0 == sc->sc_tx_timer) {
sc->sc_tx_timer = 10;
}
exit:
return (err);
}
/*
* invoked by GLD to deal with IOCTL affaires
*/
static void
iwh_m_ioctl(void* arg, queue_t *wq, mblk_t *mp)
{
iwh_sc_t *sc = (iwh_sc_t *)arg;
ieee80211com_t *ic = &sc->sc_ic;
int err;
err = ieee80211_ioctl(ic, wq, mp);
if (ENETRESET == err) {
/*
* This is special for the hidden AP connection.
* In any case, we should make sure only one 'scan'
* in the driver for a 'connect' CLI command. So
* when connecting to a hidden AP, the scan is just
* sent out to the air when we know the desired
* essid of the AP we want to connect.
*/
if (ic->ic_des_esslen) {
if (sc->sc_flags & IWH_F_RUNNING) {
iwh_m_stop(sc);
(void) iwh_m_start(sc);
(void) ieee80211_new_state(ic,
IEEE80211_S_SCAN, -1);
}
}
}
}
/*
* invoked by GLD supply statistics NIC and driver
*/
static int
iwh_m_stat(void *arg, uint_t stat, uint64_t *val)
{
iwh_sc_t *sc = (iwh_sc_t *)arg;
ieee80211com_t *ic = &sc->sc_ic;
ieee80211_node_t *in = ic->ic_bss;
struct ieee80211_rateset *rs = &in->in_rates;
mutex_enter(&sc->sc_glock);
switch (stat) {
case MAC_STAT_IFSPEED:
*val = ((IEEE80211_FIXED_RATE_NONE == ic->ic_fixed_rate) ?
(rs->ir_rates[in->in_txrate] & IEEE80211_RATE_VAL) :
ic->ic_fixed_rate) /2 * 1000000;
break;
case MAC_STAT_NOXMTBUF:
*val = sc->sc_tx_nobuf;
break;
case MAC_STAT_NORCVBUF:
*val = sc->sc_rx_nobuf;
break;
case MAC_STAT_IERRORS:
*val = sc->sc_rx_err;
break;
case MAC_STAT_RBYTES:
*val = ic->ic_stats.is_rx_bytes;
break;
case MAC_STAT_IPACKETS:
*val = ic->ic_stats.is_rx_frags;
break;
case MAC_STAT_OBYTES:
*val = ic->ic_stats.is_tx_bytes;
break;
case MAC_STAT_OPACKETS:
*val = ic->ic_stats.is_tx_frags;
break;
case MAC_STAT_OERRORS:
case WIFI_STAT_TX_FAILED:
*val = sc->sc_tx_err;
break;
case WIFI_STAT_TX_RETRANS:
*val = sc->sc_tx_retries;
break;
case WIFI_STAT_FCS_ERRORS:
case WIFI_STAT_WEP_ERRORS:
case WIFI_STAT_TX_FRAGS:
case WIFI_STAT_MCAST_TX:
case WIFI_STAT_RTS_SUCCESS:
case WIFI_STAT_RTS_FAILURE:
case WIFI_STAT_ACK_FAILURE:
case WIFI_STAT_RX_FRAGS:
case WIFI_STAT_MCAST_RX:
case WIFI_STAT_RX_DUPS:
mutex_exit(&sc->sc_glock);
return (ieee80211_stat(ic, stat, val));
default:
mutex_exit(&sc->sc_glock);
return (ENOTSUP);
}
mutex_exit(&sc->sc_glock);
return (IWH_SUCCESS);
}
/*
* invoked by GLD to start or open NIC
*/
static int
iwh_m_start(void *arg)
{
iwh_sc_t *sc = (iwh_sc_t *)arg;
ieee80211com_t *ic = &sc->sc_ic;
int err;
err = iwh_init(sc);
if (err != IWH_SUCCESS) {
/*
* The hw init err(eg. RF is OFF). Return Success to make
* the 'plumb' succeed. The iwh_thread() tries to re-init
* background.
*/
mutex_enter(&sc->sc_glock);
sc->sc_flags |= IWH_F_HW_ERR_RECOVER;
mutex_exit(&sc->sc_glock);
return (IWH_SUCCESS);
}
ieee80211_new_state(ic, IEEE80211_S_INIT, -1);
mutex_enter(&sc->sc_glock);
sc->sc_flags |= IWH_F_RUNNING;
mutex_exit(&sc->sc_glock);
return (IWH_SUCCESS);
}
/*
* invoked by GLD to stop or down NIC
*/
static void
iwh_m_stop(void *arg)
{
iwh_sc_t *sc = (iwh_sc_t *)arg;
ieee80211com_t *ic = &sc->sc_ic;
iwh_stop(sc);
/*
* release buffer for calibration
*/
iwh_release_calib_buffer(sc);
ieee80211_new_state(ic, IEEE80211_S_INIT, -1);
mutex_enter(&sc->sc_mt_lock);
sc->sc_flags &= ~IWH_F_HW_ERR_RECOVER;
sc->sc_flags &= ~IWH_F_RATE_AUTO_CTL;
mutex_exit(&sc->sc_mt_lock);
mutex_enter(&sc->sc_glock);
sc->sc_flags &= ~IWH_F_RUNNING;
sc->sc_flags &= ~IWH_F_SCANNING;
mutex_exit(&sc->sc_glock);
}
/*
* invoked by GLD to configure NIC
*/
static int
iwh_m_unicst(void *arg, const uint8_t *macaddr)
{
iwh_sc_t *sc = (iwh_sc_t *)arg;
ieee80211com_t *ic = &sc->sc_ic;
int err;
if (!IEEE80211_ADDR_EQ(ic->ic_macaddr, macaddr)) {
IEEE80211_ADDR_COPY(ic->ic_macaddr, macaddr);
mutex_enter(&sc->sc_glock);
err = iwh_config(sc);
mutex_exit(&sc->sc_glock);
if (err != IWH_SUCCESS) {
cmn_err(CE_WARN, "iwh_m_unicst(): "
"failed to configure device\n");
goto fail;
}
}
return (IWH_SUCCESS);
fail:
return (err);
}
static int
/* LINTED: argument unused in function: arg add m */
iwh_m_multicst(void *arg, boolean_t add, const uint8_t *m)
{
return (IWH_SUCCESS);
}
static int
/* LINTED: argument unused in function: arg on */
iwh_m_promisc(void *arg, boolean_t on)
{
return (IWH_SUCCESS);
}
/*
* kernel thread to deal with exceptional situation
*/
static void
iwh_thread(iwh_sc_t *sc)
{
ieee80211com_t *ic = &sc->sc_ic;
clock_t clk;
int err, n = 0, timeout = 0;
uint32_t tmp;
#ifdef DEBUG
int times = 0;
#endif
mutex_enter(&sc->sc_mt_lock);
while (sc->sc_mf_thread_switch) {
tmp = IWH_READ(sc, CSR_GP_CNTRL);
if (tmp & CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW) {
sc->sc_flags &= ~IWH_F_RADIO_OFF;
} else {
sc->sc_flags |= IWH_F_RADIO_OFF;
}
/*
* If in SUSPEND or the RF is OFF, do nothing.
*/
if ((sc->sc_flags & IWH_F_SUSPEND) ||
(sc->sc_flags & IWH_F_RADIO_OFF)) {
mutex_exit(&sc->sc_mt_lock);
delay(drv_usectohz(100000));
mutex_enter(&sc->sc_mt_lock);
continue;
}
/*
* recovery fatal error
*/
if (ic->ic_mach &&
(sc->sc_flags & IWH_F_HW_ERR_RECOVER)) {
IWH_DBG((IWH_DEBUG_FW,
"iwh_thread(): "
"try to recover fatal hw error: %d\n", times++));
iwh_stop(sc);
mutex_exit(&sc->sc_mt_lock);
ieee80211_new_state(ic, IEEE80211_S_INIT, -1);
delay(drv_usectohz(2000000 + n*500000));
mutex_enter(&sc->sc_mt_lock);
err = iwh_init(sc);
if (err != IWH_SUCCESS) {
n++;
if (n < 20) {
continue;
}
}
n = 0;
if (!err) {
sc->sc_flags |= IWH_F_RUNNING;
}
sc->sc_flags &= ~IWH_F_HW_ERR_RECOVER;
mutex_exit(&sc->sc_mt_lock);
delay(drv_usectohz(2000000));
if (sc->sc_ostate != IEEE80211_S_INIT) {
ieee80211_new_state(ic, IEEE80211_S_SCAN, 0);
}
mutex_enter(&sc->sc_mt_lock);
}
if (ic->ic_mach &&
(sc->sc_flags & IWH_F_SCANNING) && sc->sc_scan_pending) {
IWH_DBG((IWH_DEBUG_SCAN,
"iwh_thread(): "
"wait for probe response\n"));
sc->sc_scan_pending--;
mutex_exit(&sc->sc_mt_lock);
delay(drv_usectohz(200000));
ieee80211_next_scan(ic);
mutex_enter(&sc->sc_mt_lock);
}
/*
* rate ctl
*/
if (ic->ic_mach &&
(sc->sc_flags & IWH_F_RATE_AUTO_CTL)) {
clk = ddi_get_lbolt();
if (clk > sc->sc_clk + drv_usectohz(500000)) {
iwh_amrr_timeout(sc);
}
}
mutex_exit(&sc->sc_mt_lock);
delay(drv_usectohz(100000));
mutex_enter(&sc->sc_mt_lock);
if (sc->sc_tx_timer) {
timeout++;
if (10 == timeout) {
sc->sc_tx_timer--;
if (0 == sc->sc_tx_timer) {
sc->sc_flags |= IWH_F_HW_ERR_RECOVER;
sc->sc_ostate = IEEE80211_S_RUN;
IWH_DBG((IWH_DEBUG_FW,
"iwh_thread(): try to recover from"
" 'send fail\n"));
}
timeout = 0;
}
}
}
sc->sc_mf_thread = NULL;
cv_signal(&sc->sc_mt_cv);
mutex_exit(&sc->sc_mt_lock);
}
/*
* Send a command to the ucode.
*/
static int
iwh_cmd(iwh_sc_t *sc, int code, const void *buf, int size, int async)
{
iwh_tx_ring_t *ring = &sc->sc_txq[IWH_CMD_QUEUE_NUM];
iwh_tx_desc_t *desc;
iwh_cmd_t *cmd;
ASSERT(size <= sizeof (cmd->data));
ASSERT(mutex_owned(&sc->sc_glock));
IWH_DBG((IWH_DEBUG_CMD, "iwh_cmd() code[%d]", code));
desc = ring->data[ring->cur].desc;
cmd = ring->data[ring->cur].cmd;
cmd->hdr.type = (uint8_t)code;
cmd->hdr.flags = 0;
cmd->hdr.qid = ring->qid;
cmd->hdr.idx = ring->cur;
(void) memcpy(cmd->data, buf, size);
(void) memset(desc, 0, sizeof (*desc));
desc->val0 = LE_32(1 << 24);
desc->pa[0].tb1_addr =
(uint32_t)(ring->data[ring->cur].paddr_cmd & 0xffffffff);
desc->pa[0].val1 = ((4 + size) << 4) & 0xfff0;
/*
* kick cmd ring XXX
*/
sc->sc_shared->queues_byte_cnt_tbls[ring->qid].
tfd_offset[ring->cur].val = 8;
if (ring->cur < IWH_MAX_WIN_SIZE) {
sc->sc_shared->queues_byte_cnt_tbls[ring->qid].
tfd_offset[IWH_QUEUE_SIZE + ring->cur].val = 8;
}
ring->cur = (ring->cur + 1) % ring->count;
IWH_WRITE(sc, HBUS_TARG_WRPTR, ring->qid << 8 | ring->cur);
if (async) {
return (IWH_SUCCESS);
} else {
clock_t clk;
sc->sc_flags &= ~IWH_F_CMD_DONE;
clk = ddi_get_lbolt() + drv_usectohz(2000000);
while (!(sc->sc_flags & IWH_F_CMD_DONE)) {
if (cv_timedwait(&sc->sc_cmd_cv,
&sc->sc_glock, clk) < 0) {
break;
}
}
if (sc->sc_flags & IWH_F_CMD_DONE) {
return (IWH_SUCCESS);
} else {
return (IWH_FAIL);
}
}
}
/*
* require ucode seting led of NIC
*/
static void
iwh_set_led(iwh_sc_t *sc, uint8_t id, uint8_t off, uint8_t on)
{
iwh_led_cmd_t led;
led.interval = LE_32(100000); /* unit: 100ms */
led.id = id;
led.off = off;
led.on = on;
(void) iwh_cmd(sc, REPLY_LEDS_CMD, &led, sizeof (led), 1);
}
/*
* necessary setting to NIC before authentication
*/
static int
iwh_hw_set_before_auth(iwh_sc_t *sc)
{
ieee80211com_t *ic = &sc->sc_ic;
ieee80211_node_t *in = ic->ic_bss;
iwh_add_sta_t node;
iwh_link_quality_cmd_t link_quality;
struct ieee80211_rateset rs;
uint16_t masks = 0, rate;
int i, err;
/*
* update adapter's configuration according
* the info of target AP
*/
IEEE80211_ADDR_COPY(sc->sc_config.bssid, in->in_bssid);
sc->sc_config.chan = ieee80211_chan2ieee(ic, in->in_chan);
if (IEEE80211_MODE_11B == ic->ic_curmode) {
sc->sc_config.cck_basic_rates = 0x03;
sc->sc_config.ofdm_basic_rates = 0;
} else if ((in->in_chan != IEEE80211_CHAN_ANYC) &&
(IEEE80211_IS_CHAN_5GHZ(in->in_chan))) {
sc->sc_config.cck_basic_rates = 0;
sc->sc_config.ofdm_basic_rates = 0x15;
} else { /* assume 802.11b/g */
sc->sc_config.cck_basic_rates = 0x0f;
sc->sc_config.ofdm_basic_rates = 0xff;
}
sc->sc_config.flags &= ~LE_32(RXON_FLG_SHORT_PREAMBLE_MSK |
RXON_FLG_SHORT_SLOT_MSK);
if (ic->ic_flags & IEEE80211_F_SHSLOT) {
sc->sc_config.flags |= LE_32(RXON_FLG_SHORT_SLOT_MSK);
} else {
sc->sc_config.flags &= LE_32(~RXON_FLG_SHORT_SLOT_MSK);
}
if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) {
sc->sc_config.flags |= LE_32(RXON_FLG_SHORT_PREAMBLE_MSK);
} else {
sc->sc_config.flags &= LE_32(~RXON_FLG_SHORT_PREAMBLE_MSK);
}
IWH_DBG((IWH_DEBUG_80211, "config chan %d flags %x "
"filter_flags %x cck %x ofdm %x"
" bssid:%02x:%02x:%02x:%02x:%02x:%2x\n",
sc->sc_config.chan, sc->sc_config.flags,
sc->sc_config.filter_flags,
sc->sc_config.cck_basic_rates, sc->sc_config.ofdm_basic_rates,
sc->sc_config.bssid[0], sc->sc_config.bssid[1],
sc->sc_config.bssid[2], sc->sc_config.bssid[3],
sc->sc_config.bssid[4], sc->sc_config.bssid[5]));
err = iwh_cmd(sc, REPLY_RXON, &sc->sc_config,
sizeof (iwh_rxon_cmd_t), 1);
if (err != IWH_SUCCESS) {
cmn_err(CE_WARN, "iwh_hw_set_before_auth(): "
"failed to config chan%d\n", sc->sc_config.chan);
return (err);
}
err = iwh_tx_power_table(sc, 1);
if (err != IWH_SUCCESS) {
cmn_err(CE_WARN, "iwh_config(): "
"failed to set tx power table.\n");
return (err);
}
/*
* add default AP node
*/
(void) memset(&node, 0, sizeof (node));
IEEE80211_ADDR_COPY(node.sta.addr, in->in_bssid);
node.mode = 0;
node.sta.sta_id = IWH_AP_ID;
node.station_flags = 0;
err = iwh_cmd(sc, REPLY_ADD_STA, &node, sizeof (node), 1);
if (err != IWH_SUCCESS) {
cmn_err(CE_WARN, "iwh_hw_set_before_auth(): "
"failed to add BSS node\n");
return (err);
}
/*
* TX_LINK_QUALITY cmd
*/
(void) memset(&link_quality, 0, sizeof (link_quality));
rs = ic->ic_sup_rates[ieee80211_chan2mode(ic, ic->ic_curchan)];
for (i = 0; i < LINK_QUAL_MAX_RETRY_NUM; i++) {
if (i < rs.ir_nrates) {
rate = rs.ir_rates[rs.ir_nrates - i];
} else {
rate = 2;
}
if (2 == rate || 4 == rate || 11 == rate || 22 == rate) {
masks |= RATE_MCS_CCK_MSK;
}
masks |= RATE_MCS_ANT_B_MSK;
masks &= ~RATE_MCS_ANT_A_MSK;
link_quality.rate_n_flags[i] =
iwh_rate_to_plcp(rate) | masks;
}
link_quality.general_params.single_stream_ant_msk = 2;
link_quality.general_params.dual_stream_ant_msk = 3;
link_quality.agg_params.agg_dis_start_th = 3;
link_quality.agg_params.agg_time_limit = LE_16(4000);
link_quality.sta_id = IWH_AP_ID;
err = iwh_cmd(sc, REPLY_TX_LINK_QUALITY_CMD, &link_quality,
sizeof (link_quality), 1);
if (err != IWH_SUCCESS) {
cmn_err(CE_WARN, "iwh_hw_set_before_auth(): "
"failed to config link quality table\n");
return (err);
}
return (IWH_SUCCESS);
}
/*
* Send a scan request(assembly scan cmd) to the firmware.
*/
static int
iwh_scan(iwh_sc_t *sc)
{
ieee80211com_t *ic = &sc->sc_ic;
iwh_tx_ring_t *ring = &sc->sc_txq[IWH_CMD_QUEUE_NUM];
iwh_tx_desc_t *desc;
iwh_tx_data_t *data;
iwh_cmd_t *cmd;
iwh_scan_hdr_t *hdr;
iwh_scan_chan_t *chan;
struct ieee80211_frame *wh;
ieee80211_node_t *in = ic->ic_bss;
uint8_t essid[IEEE80211_NWID_LEN+1];
struct ieee80211_rateset *rs;
enum ieee80211_phymode mode;
uint8_t *frm;
int i, pktlen, nrates;
data = &ring->data[ring->cur];
desc = data->desc;
cmd = (iwh_cmd_t *)data->dma_data.mem_va;
cmd->hdr.type = REPLY_SCAN_CMD;
cmd->hdr.flags = 0;
cmd->hdr.qid = ring->qid;
cmd->hdr.idx = ring->cur | 0x40;
hdr = (iwh_scan_hdr_t *)cmd->data;
(void) memset(hdr, 0, sizeof (iwh_scan_hdr_t));
hdr->nchan = 1;
hdr->quiet_time = LE_16(50);
hdr->quiet_plcp_th = LE_16(1);
hdr->flags = RXON_FLG_BAND_24G_MSK;
hdr->rx_chain = RXON_RX_CHAIN_DRIVER_FORCE_MSK |
LE_16((0x7 << RXON_RX_CHAIN_VALID_POS) |
(0x2 << RXON_RX_CHAIN_FORCE_SEL_POS) |
(0x2 << RXON_RX_CHAIN_FORCE_MIMO_SEL_POS));
hdr->tx_cmd.tx_flags = LE_32(TX_CMD_FLG_SEQ_CTL_MSK);
hdr->tx_cmd.sta_id = IWH_BROADCAST_ID;
hdr->tx_cmd.stop_time.life_time = 0xffffffff;
hdr->tx_cmd.rate.r.rate_n_flags = iwh_rate_to_plcp(2);
hdr->tx_cmd.rate.r.rate_n_flags |=
(RATE_MCS_ANT_B_MSK |RATE_MCS_CCK_MSK);
hdr->direct_scan[0].len = ic->ic_des_esslen;
hdr->direct_scan[0].id = IEEE80211_ELEMID_SSID;
hdr->filter_flags = RXON_FILTER_ACCEPT_GRP_MSK |
RXON_FILTER_BCON_AWARE_MSK;
if (ic->ic_des_esslen) {
bcopy(ic->ic_des_essid, essid, ic->ic_des_esslen);
essid[ic->ic_des_esslen] = '\0';
IWH_DBG((IWH_DEBUG_SCAN, "directed scan %s\n", essid));
bcopy(ic->ic_des_essid, hdr->direct_scan[0].ssid,
ic->ic_des_esslen);
} else {
bzero(hdr->direct_scan[0].ssid,
sizeof (hdr->direct_scan[0].ssid));
}
/*
* a probe request frame is required after the REPLY_SCAN_CMD
*/
wh = (struct ieee80211_frame *)(hdr + 1);
wh->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_MGT |
IEEE80211_FC0_SUBTYPE_PROBE_REQ;
wh->i_fc[1] = IEEE80211_FC1_DIR_NODS;
(void) memset(wh->i_addr1, 0xff, 6);
IEEE80211_ADDR_COPY(wh->i_addr2, ic->ic_macaddr);
(void) memset(wh->i_addr3, 0xff, 6);
*(uint16_t *)&wh->i_dur[0] = 0;
*(uint16_t *)&wh->i_seq[0] = 0;
frm = (uint8_t *)(wh + 1);
/*
* essid IE
*/
if (in->in_esslen) {
bcopy(in->in_essid, essid, in->in_esslen);
essid[in->in_esslen] = '\0';
IWH_DBG((IWH_DEBUG_SCAN, "probe with ESSID %s\n",
essid));
}
*frm++ = IEEE80211_ELEMID_SSID;
*frm++ = in->in_esslen;
(void) memcpy(frm, in->in_essid, in->in_esslen);
frm += in->in_esslen;
mode = ieee80211_chan2mode(ic, ic->ic_curchan);
rs = &ic->ic_sup_rates[mode];
/*
* supported rates IE
*/
*frm++ = IEEE80211_ELEMID_RATES;
nrates = rs->ir_nrates;
if (nrates > IEEE80211_RATE_SIZE) {
nrates = IEEE80211_RATE_SIZE;
}
*frm++ = (uint8_t)nrates;
(void) memcpy(frm, rs->ir_rates, nrates);
frm += nrates;
/*
* supported xrates IE
*/
if (rs->ir_nrates > IEEE80211_RATE_SIZE) {
nrates = rs->ir_nrates - IEEE80211_RATE_SIZE;
*frm++ = IEEE80211_ELEMID_XRATES;
*frm++ = (uint8_t)nrates;
(void) memcpy(frm, rs->ir_rates + IEEE80211_RATE_SIZE, nrates);
frm += nrates;
}
/*
* optionnal IE (usually for wpa)
*/
if (ic->ic_opt_ie != NULL) {
(void) memcpy(frm, ic->ic_opt_ie, ic->ic_opt_ie_len);
frm += ic->ic_opt_ie_len;
}
/* setup length of probe request */
hdr->tx_cmd.len = _PTRDIFF(frm, wh);
hdr->len = hdr->nchan * sizeof (iwh_scan_chan_t) +
hdr->tx_cmd.len + sizeof (iwh_scan_hdr_t);
/*
* the attribute of the scan channels are required after the probe
* request frame.
*/
chan = (iwh_scan_chan_t *)frm;
for (i = 1; i <= hdr->nchan; i++, chan++) {
if (ic->ic_des_esslen) {
chan->type = 3;
} else {
chan->type = 1;
}
chan->chan = ieee80211_chan2ieee(ic, ic->ic_curchan);
chan->tpc.tx_gain = 0x28;
chan->tpc.dsp_atten = 110;
chan->active_dwell = 50;
chan->passive_dwell = 120;
frm += sizeof (iwh_scan_chan_t);
}
pktlen = _PTRDIFF(frm, cmd);
(void) memset(desc, 0, sizeof (*desc));
desc->val0 = LE_32(1 << 24);
desc->pa[0].tb1_addr =
(uint32_t)(data->dma_data.cookie.dmac_address & 0xffffffff);
desc->pa[0].val1 = (pktlen << 4) & 0xfff0;
/*
* maybe for cmd, filling the byte cnt table is not necessary.
* anyway, we fill it here.
*/
sc->sc_shared->queues_byte_cnt_tbls[ring->qid]
.tfd_offset[ring->cur].val = 8;
if (ring->cur < IWH_MAX_WIN_SIZE) {
sc->sc_shared->queues_byte_cnt_tbls[ring->qid].
tfd_offset[IWH_QUEUE_SIZE + ring->cur].val = 8;
}
/*
* kick cmd ring
*/
ring->cur = (ring->cur + 1) % ring->count;
IWH_WRITE(sc, HBUS_TARG_WRPTR, ring->qid << 8 | ring->cur);
return (IWH_SUCCESS);
}
/*
* configure NIC by using ucode commands after loading ucode.
*/
static int
iwh_config(iwh_sc_t *sc)
{
ieee80211com_t *ic = &sc->sc_ic;
iwh_powertable_cmd_t powertable;
iwh_bt_cmd_t bt;
iwh_add_sta_t node;
iwh_rem_sta_t rm_sta;
const uint8_t bcast[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
iwh_link_quality_cmd_t link_quality;
int i, err;
uint16_t masks = 0;
/*
* set power mode. Disable power management at present, do it later
*/
(void) memset(&powertable, 0, sizeof (powertable));
powertable.flags = LE_16(0x8);
err = iwh_cmd(sc, POWER_TABLE_CMD, &powertable,
sizeof (powertable), 0);
if (err != IWH_SUCCESS) {
cmn_err(CE_WARN, "iwh_config(): "
"failed to set power mode\n");
return (err);
}
/*
* configure bt coexistence
*/
(void) memset(&bt, 0, sizeof (bt));
bt.flags = 3;
bt.lead_time = 0xaa;
bt.max_kill = 1;
err = iwh_cmd(sc, REPLY_BT_CONFIG, &bt,
sizeof (bt), 0);
if (err != IWH_SUCCESS) {
cmn_err(CE_WARN, "iwh_config(): "
"failed to configurate bt coexistence\n");
return (err);
}
/*
* configure rxon
*/
(void) memset(&sc->sc_config, 0, sizeof (iwh_rxon_cmd_t));
IEEE80211_ADDR_COPY(sc->sc_config.node_addr, ic->ic_macaddr);
IEEE80211_ADDR_COPY(sc->sc_config.wlap_bssid, ic->ic_macaddr);
sc->sc_config.chan = ieee80211_chan2ieee(ic, ic->ic_curchan);
sc->sc_config.flags = RXON_FLG_BAND_24G_MSK;
switch (ic->ic_opmode) {
case IEEE80211_M_STA:
sc->sc_config.dev_type = RXON_DEV_TYPE_ESS;
sc->sc_config.filter_flags |=
LE_32(RXON_FILTER_DIS_DECRYPT_MSK |
RXON_FILTER_DIS_GRP_DECRYPT_MSK);
break;
case IEEE80211_M_IBSS:
case IEEE80211_M_AHDEMO:
sc->sc_config.dev_type = RXON_DEV_TYPE_IBSS;
sc->sc_config.flags |= RXON_FLG_SHORT_PREAMBLE_MSK;
sc->sc_config.filter_flags = LE_32(RXON_FILTER_ACCEPT_GRP_MSK |
RXON_FILTER_DIS_DECRYPT_MSK |
RXON_FILTER_DIS_GRP_DECRYPT_MSK);
break;
case IEEE80211_M_HOSTAP:
sc->sc_config.dev_type = RXON_DEV_TYPE_AP;
break;
case IEEE80211_M_MONITOR:
sc->sc_config.dev_type = RXON_DEV_TYPE_SNIFFER;
sc->sc_config.filter_flags |= LE_32(RXON_FILTER_ACCEPT_GRP_MSK |
RXON_FILTER_CTL2HOST_MSK | RXON_FILTER_PROMISC_MSK);
break;
}
sc->sc_config.cck_basic_rates = 0x0f;
sc->sc_config.ofdm_basic_rates = 0xff;
/*
* set antenna
*/
sc->sc_config.rx_chain = RXON_RX_CHAIN_DRIVER_FORCE_MSK |
LE_16((0x7 << RXON_RX_CHAIN_VALID_POS) |
(0x2 << RXON_RX_CHAIN_FORCE_SEL_POS) |
(0x2 << RXON_RX_CHAIN_FORCE_MIMO_SEL_POS));
err = iwh_cmd(sc, REPLY_RXON, &sc->sc_config,
sizeof (iwh_rxon_cmd_t), 0);
if (err != IWH_SUCCESS) {
cmn_err(CE_WARN, "iwh_config(): "
"failed to set configure command\n");
return (err);
}
/*
* remove all nodes in NIC
*/
(void) memset(&rm_sta, 0, sizeof (rm_sta));
rm_sta.num_sta = 1;
(void) memcpy(rm_sta.addr, bcast, 6);
err = iwh_cmd(sc, REPLY_REMOVE_STA, &rm_sta, sizeof (iwh_rem_sta_t), 0);
if (err != IWH_SUCCESS) {
cmn_err(CE_WARN, "iwh_config(): "
"failed to remove broadcast node in hardware.\n");
return (err);
}
/*
* configure TX pwoer table
*/
err = iwh_tx_power_table(sc, 0);
if (err != IWH_SUCCESS) {
cmn_err(CE_WARN, "iwh_config(): "
"failed to set tx power table.\n");
return (err);
}
/*
* add broadcast node so that we can send broadcast frame
*/
(void) memset(&node, 0, sizeof (node));
(void) memset(node.sta.addr, 0xff, 6);
node.mode = 0;
node.sta.sta_id = IWH_BROADCAST_ID;
node.station_flags = 0;
err = iwh_cmd(sc, REPLY_ADD_STA, &node, sizeof (node), 0);
if (err != IWH_SUCCESS) {
cmn_err(CE_WARN, "iwh_config(): "
"failed to add broadcast node\n");
return (err);
}
/*
* TX_LINK_QUALITY cmd
*/
(void) memset(&link_quality, 0, sizeof (link_quality));
for (i = 0; i < LINK_QUAL_MAX_RETRY_NUM; i++) {
masks |= RATE_MCS_CCK_MSK;
masks |= RATE_MCS_ANT_B_MSK;
masks &= ~RATE_MCS_ANT_A_MSK;
link_quality.rate_n_flags[i] = iwh_rate_to_plcp(2) | masks;
}
link_quality.general_params.single_stream_ant_msk = 2;
link_quality.general_params.dual_stream_ant_msk = 3;
link_quality.agg_params.agg_dis_start_th = 3;
link_quality.agg_params.agg_time_limit = LE_16(4000);
link_quality.sta_id = IWH_BROADCAST_ID;
err = iwh_cmd(sc, REPLY_TX_LINK_QUALITY_CMD, &link_quality,
sizeof (link_quality), 0);
if (err != IWH_SUCCESS) {
cmn_err(CE_WARN, "iwh_config(): "
"failed to config link quality table\n");
return (err);
}
return (IWH_SUCCESS);
}
/*
* quiesce(9E) entry point.
* This function is called when the system is single-threaded at high
* PIL with preemption disabled. Therefore, this function must not be
* blocked.
* This function returns DDI_SUCCESS on success, or DDI_FAILURE on failure.
* DDI_FAILURE indicates an error condition and should almost never happen.
*/
static int
iwh_quiesce(dev_info_t *dip)
{
iwh_sc_t *sc;
sc = ddi_get_soft_state(iwh_soft_state_p, ddi_get_instance(dip));
if (sc == NULL)
return (DDI_FAILURE);
#ifdef DEBUG
/* by pass any messages, if it's quiesce */
iwh_dbg_flags = 0;
#endif
/*
* No more blocking is allowed while we are in the
* quiesce(9E) entry point.
*/
sc->sc_flags |= IWH_F_QUIESCED;
/*
* Disable and mask all interrupts.
*/
iwh_stop(sc);
return (DDI_SUCCESS);
}
static void
iwh_stop_master(iwh_sc_t *sc)
{
uint32_t tmp;
int n;
tmp = IWH_READ(sc, CSR_RESET);
IWH_WRITE(sc, CSR_RESET, tmp | CSR_RESET_REG_FLAG_STOP_MASTER);
tmp = IWH_READ(sc, CSR_GP_CNTRL);
if ((tmp & CSR_GP_CNTRL_REG_MSK_POWER_SAVE_TYPE) ==
CSR_GP_CNTRL_REG_FLAG_MAC_POWER_SAVE) {
return;
}
for (n = 0; n < 2000; n++) {
if (IWH_READ(sc, CSR_RESET) &
CSR_RESET_REG_FLAG_MASTER_DISABLED) {
break;
}
DELAY(1000);
}
#ifdef DEBUG
if (2000 == n) {
IWH_DBG((IWH_DEBUG_HW,
"timeout waiting for master stop\n"));
}
#endif
}
static int
iwh_power_up(iwh_sc_t *sc)
{
uint32_t tmp;
iwh_mac_access_enter(sc);
tmp = iwh_reg_read(sc, ALM_APMG_PS_CTL);
tmp &= ~APMG_PS_CTRL_REG_MSK_POWER_SRC;
tmp |= APMG_PS_CTRL_REG_VAL_POWER_SRC_VMAIN;
iwh_reg_write(sc, ALM_APMG_PS_CTL, tmp);
iwh_mac_access_exit(sc);
DELAY(5000);
return (IWH_SUCCESS);
}
/*
* hardware initialization
*/
static int
iwh_preinit(iwh_sc_t *sc)
{
uint32_t tmp;
int n;
uint8_t vlink;
uint16_t radio_cfg;
/*
* clear any pending interrupts
*/
IWH_WRITE(sc, CSR_INT, 0xffffffff);
tmp = IWH_READ(sc, CSR_GIO_CHICKEN_BITS);
IWH_WRITE(sc, CSR_GIO_CHICKEN_BITS,
tmp | CSR_GIO_CHICKEN_BITS_REG_BIT_DIS_L0S_EXIT_TIMER);
tmp = IWH_READ(sc, CSR_ANA_PLL_CFG);
IWH_WRITE(sc, CSR_ANA_PLL_CFG, tmp | IWH_CSR_ANA_PLL_CFG);
tmp = IWH_READ(sc, CSR_GP_CNTRL);
IWH_WRITE(sc, CSR_GP_CNTRL, tmp | CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
/*
* wait for clock ready
*/
for (n = 0; n < 1000; n++) {
if (IWH_READ(sc, CSR_GP_CNTRL) &
CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY) {
break;
}
DELAY(10);
}
if (1000 == n) {
return (ETIMEDOUT);
}
iwh_mac_access_enter(sc);
iwh_reg_write(sc, ALM_APMG_CLK_EN, APMG_CLK_REG_VAL_DMA_CLK_RQT);
DELAY(20);
tmp = iwh_reg_read(sc, ALM_APMG_PCIDEV_STT);
iwh_reg_write(sc, ALM_APMG_PCIDEV_STT, tmp |
APMG_DEV_STATE_REG_VAL_L1_ACTIVE_DISABLE);
iwh_mac_access_exit(sc);
radio_cfg = IWH_READ_EEP_SHORT(sc, EEP_SP_RADIO_CONFIGURATION);
if (SP_RADIO_TYPE_MSK(radio_cfg) < SP_RADIO_TYPE_MAX) {
tmp = IWH_READ(sc, CSR_HW_IF_CONFIG_REG);
IWH_WRITE(sc, CSR_HW_IF_CONFIG_REG,
tmp | SP_RADIO_TYPE_MSK(radio_cfg) |
SP_RADIO_STEP_MSK(radio_cfg) |
SP_RADIO_DASH_MSK(radio_cfg));
} else {
cmn_err(CE_WARN, "iwh_preinit(): "
"radio configuration information in eeprom is wrong\n");
return (IWH_FAIL);
}
IWH_WRITE(sc, CSR_INT_COALESCING, 512 / 32);
(void) iwh_power_up(sc);
if ((sc->sc_rev & 0x80) == 0x80 && (sc->sc_rev & 0x7f) < 8) {
tmp = ddi_get32(sc->sc_cfg_handle,
(uint32_t *)(sc->sc_cfg_base + 0xe8));
ddi_put32(sc->sc_cfg_handle,
(uint32_t *)(sc->sc_cfg_base + 0xe8),
tmp & ~(1 << 11));
}
vlink = ddi_get8(sc->sc_cfg_handle,
(uint8_t *)(sc->sc_cfg_base + 0xf0));
ddi_put8(sc->sc_cfg_handle, (uint8_t *)(sc->sc_cfg_base + 0xf0),
vlink & ~2);
tmp = IWH_READ(sc, CSR_SW_VER);
tmp |= CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI |
CSR_HW_IF_CONFIG_REG_BIT_MAC_SI;
IWH_WRITE(sc, CSR_SW_VER, tmp);
/*
* make sure power supply on each part of the hardware
*/
iwh_mac_access_enter(sc);
tmp = iwh_reg_read(sc, ALM_APMG_PS_CTL);
tmp |= APMG_PS_CTRL_REG_VAL_ALM_R_RESET_REQ;
iwh_reg_write(sc, ALM_APMG_PS_CTL, tmp);
DELAY(5);
tmp = iwh_reg_read(sc, ALM_APMG_PS_CTL);
tmp &= ~APMG_PS_CTRL_REG_VAL_ALM_R_RESET_REQ;
iwh_reg_write(sc, ALM_APMG_PS_CTL, tmp);
iwh_mac_access_exit(sc);
return (IWH_SUCCESS);
}
/*
* set up semphore flag to own EEPROM
*/
static int
iwh_eep_sem_down(iwh_sc_t *sc)
{
int count1, count2;
uint32_t tmp;
for (count1 = 0; count1 < 1000; count1++) {
tmp = IWH_READ(sc, CSR_HW_IF_CONFIG_REG);
IWH_WRITE(sc, CSR_HW_IF_CONFIG_REG,
tmp | CSR_HW_IF_CONFIG_REG_EEP_SEM);
for (count2 = 0; count2 < 2; count2++) {
if (IWH_READ(sc, CSR_HW_IF_CONFIG_REG) &
CSR_HW_IF_CONFIG_REG_EEP_SEM) {
return (IWH_SUCCESS);
}
DELAY(10000);
}
}
return (IWH_FAIL);
}
/*
* reset semphore flag to release EEPROM
*/
static void
iwh_eep_sem_up(iwh_sc_t *sc)
{
uint32_t tmp;
tmp = IWH_READ(sc, CSR_HW_IF_CONFIG_REG);
IWH_WRITE(sc, CSR_HW_IF_CONFIG_REG,
tmp & (~CSR_HW_IF_CONFIG_REG_EEP_SEM));
}
/*
* This function read all infomation from eeprom
*/
static int
iwh_eep_load(iwh_sc_t *sc)
{
int i, rr;
uint32_t rv, tmp, eep_gp;
uint16_t addr, eep_sz = sizeof (sc->sc_eep_map);
uint16_t *eep_p = (uint16_t *)&sc->sc_eep_map;
/*
* read eeprom gp register in CSR
*/
eep_gp = IWH_READ(sc, CSR_EEPROM_GP);
if ((eep_gp & CSR_EEPROM_GP_VALID_MSK) ==
CSR_EEPROM_GP_BAD_SIGNATURE) {
IWH_DBG((IWH_DEBUG_EEPROM, "not find eeprom\n"));
return (IWH_FAIL);
}
rr = iwh_eep_sem_down(sc);
if (rr != 0) {
IWH_DBG((IWH_DEBUG_EEPROM, "driver failed to own EEPROM\n"));
return (IWH_FAIL);
}
for (addr = 0; addr < eep_sz; addr += 2) {
IWH_WRITE(sc, CSR_EEPROM_REG, addr<<1);
tmp = IWH_READ(sc, CSR_EEPROM_REG);
IWH_WRITE(sc, CSR_EEPROM_REG, tmp & ~(0x2));
for (i = 0; i < 10; i++) {
rv = IWH_READ(sc, CSR_EEPROM_REG);
if (rv & 1) {
break;
}
DELAY(10);
}
if (!(rv & 1)) {
IWH_DBG((IWH_DEBUG_EEPROM,
"time out when read eeprome\n"));
iwh_eep_sem_up(sc);
return (IWH_FAIL);
}
eep_p[addr/2] = rv >> 16;
}
iwh_eep_sem_up(sc);
return (IWH_SUCCESS);
}
/*
* initialize mac address in ieee80211com_t struct
*/
static void
iwh_get_mac_from_eep(iwh_sc_t *sc)
{
ieee80211com_t *ic = &sc->sc_ic;
IEEE80211_ADDR_COPY(ic->ic_macaddr, &sc->sc_eep_map[EEP_MAC_ADDRESS]);
IWH_DBG((IWH_DEBUG_EEPROM, "mac:%2x:%2x:%2x:%2x:%2x:%2x\n",
ic->ic_macaddr[0], ic->ic_macaddr[1], ic->ic_macaddr[2],
ic->ic_macaddr[3], ic->ic_macaddr[4], ic->ic_macaddr[5]));
}
/*
* main initialization function
*/
static int
iwh_init(iwh_sc_t *sc)
{
int n, err;
clock_t clk;
/*
* release buffer for calibration
*/
iwh_release_calib_buffer(sc);
mutex_enter(&sc->sc_glock);
sc->sc_flags &= ~IWH_F_FW_INIT;
err = iwh_init_common(sc);
if (err != IWH_SUCCESS) {
cmn_err(CE_WARN, "iwh_init(): "
"failed to initialize chipset\n");
mutex_exit(&sc->sc_glock);
return (IWH_FAIL);
}
/*
* backup ucode data part for future use.
*/
(void) memcpy(sc->sc_dma_fw_data_bak.mem_va,
sc->sc_dma_fw_data.mem_va,
sc->sc_dma_fw_data.alength);
for (n = 0; n < 2; n++) {
/* load firmware init segment into NIC */
err = iwh_load_init_firmware(sc);
if (err != IWH_SUCCESS) {
cmn_err(CE_WARN, "iwh_init(): "
"failed to setup init firmware\n");
continue;
}
/*
* now press "execute" start running
*/
IWH_WRITE(sc, CSR_RESET, 0);
break;
}
mutex_exit(&sc->sc_glock);
if (2 == n) {
cmn_err(CE_WARN, "iwh_init(): "
"failed to load init firmware\n");
return (IWH_FAIL);
}
mutex_enter(&sc->sc_ucode_lock);
clk = ddi_get_lbolt() + drv_usectohz(1000000);
while (!(sc->sc_flags & IWH_F_FW_INIT)) {
if (cv_timedwait(&sc->sc_ucode_cv,
&sc->sc_ucode_lock, clk) < 0) {
break;
}
}
if (!(sc->sc_flags & IWH_F_FW_INIT)) {
cmn_err(CE_WARN, "iwh_init(): "
"failed to process init alive.\n");
mutex_exit(&sc->sc_ucode_lock);
return (IWH_FAIL);
}
mutex_exit(&sc->sc_ucode_lock);
/*
* stop chipset for initializing chipset again
*/
iwh_stop(sc);
mutex_enter(&sc->sc_glock);
sc->sc_flags &= ~IWH_F_FW_INIT;
err = iwh_init_common(sc);
if (err != IWH_SUCCESS) {
cmn_err(CE_WARN, "iwh_init(): "
"failed to initialize chipset\n");
mutex_exit(&sc->sc_glock);
return (IWH_FAIL);
}
for (n = 0; n < 2; n++) {
/*
* load firmware run segment into NIC
*/
err = iwh_load_run_firmware(sc);
if (err != IWH_SUCCESS) {
cmn_err(CE_WARN, "iwh_init(): "
"failed to setup run firmware\n");
continue;
}
/*
* now press "execute" start running
*/
IWH_WRITE(sc, CSR_RESET, 0);
break;
}
mutex_exit(&sc->sc_glock);
if (2 == n) {
cmn_err(CE_WARN, "iwh_init(): "
"failed to load run firmware\n");
return (IWH_FAIL);
}
mutex_enter(&sc->sc_ucode_lock);
clk = ddi_get_lbolt() + drv_usectohz(1000000);
while (!(sc->sc_flags & IWH_F_FW_INIT)) {
if (cv_timedwait(&sc->sc_ucode_cv,
&sc->sc_ucode_lock, clk) < 0) {
break;
}
}
if (!(sc->sc_flags & IWH_F_FW_INIT)) {
cmn_err(CE_WARN, "iwh_init(): "
"failed to process runtime alive.\n");
mutex_exit(&sc->sc_ucode_lock);
return (IWH_FAIL);
}
mutex_exit(&sc->sc_ucode_lock);
mutex_enter(&sc->sc_glock);
sc->sc_flags &= ~IWH_F_FW_INIT;
/*
* at this point, the firmware is loaded OK, then config the hardware
* with the ucode API, including rxon, txpower, etc.
*/
err = iwh_config(sc);
if (err) {
cmn_err(CE_WARN, "iwh_init(): "
"failed to configure device\n");
mutex_exit(&sc->sc_glock);
return (IWH_FAIL);
}
/*
* at this point, hardware may receive beacons :)
*/
mutex_exit(&sc->sc_glock);
return (IWH_SUCCESS);
}
/*
* stop or disable NIC
*/
static void
iwh_stop(iwh_sc_t *sc)
{
uint32_t tmp;
int i;
/* by pass if it's quiesced */
if (!(sc->sc_flags & IWH_F_QUIESCED))
mutex_enter(&sc->sc_glock);
IWH_WRITE(sc, CSR_RESET, CSR_RESET_REG_FLAG_NEVO_RESET);
/*
* disable interrupts
*/
IWH_WRITE(sc, CSR_INT_MASK, 0);
IWH_WRITE(sc, CSR_INT, CSR_INI_SET_MASK);
IWH_WRITE(sc, CSR_FH_INT_STATUS, 0xffffffff);
/*
* reset all Tx rings
*/
for (i = 0; i < IWH_NUM_QUEUES; i++) {
iwh_reset_tx_ring(sc, &sc->sc_txq[i]);
}
/*
* reset Rx ring
*/
iwh_reset_rx_ring(sc);
iwh_mac_access_enter(sc);
iwh_reg_write(sc, ALM_APMG_CLK_DIS, APMG_CLK_REG_VAL_DMA_CLK_RQT);
iwh_mac_access_exit(sc);
DELAY(5);
iwh_stop_master(sc);
sc->sc_tx_timer = 0;
tmp = IWH_READ(sc, CSR_RESET);
IWH_WRITE(sc, CSR_RESET, tmp | CSR_RESET_REG_FLAG_SW_RESET);
/* by pass if it's quiesced */
if (!(sc->sc_flags & IWH_F_QUIESCED))
mutex_exit(&sc->sc_glock);
}
/*
* Naive implementation of the Adaptive Multi Rate Retry algorithm:
* "IEEE 802.11 Rate Adaptation: A Practical Approach"
* Mathieu Lacage, Hossein Manshaei, Thierry Turletti
* INRIA Sophia - Projet Planete
* http://www-sop.inria.fr/rapports/sophia/RR-5208.html
*/
#define is_success(amrr) \
((amrr)->retrycnt < (amrr)->txcnt / 10)
#define is_failure(amrr) \
((amrr)->retrycnt > (amrr)->txcnt / 3)
#define is_enough(amrr) \
((amrr)->txcnt > 100)
#define is_min_rate(in) \
(0 == (in)->in_txrate)
#define is_max_rate(in) \
((in)->in_rates.ir_nrates - 1 == (in)->in_txrate)
#define increase_rate(in) \
((in)->in_txrate++)
#define decrease_rate(in) \
((in)->in_txrate--)
#define reset_cnt(amrr) \
{ (amrr)->txcnt = (amrr)->retrycnt = 0; }
#define IWH_AMRR_MIN_SUCCESS_THRESHOLD 1
#define IWH_AMRR_MAX_SUCCESS_THRESHOLD 15
static void
iwh_amrr_init(iwh_amrr_t *amrr)
{
amrr->success = 0;
amrr->recovery = 0;
amrr->txcnt = amrr->retrycnt = 0;
amrr->success_threshold = IWH_AMRR_MIN_SUCCESS_THRESHOLD;
}
static void
iwh_amrr_timeout(iwh_sc_t *sc)
{
ieee80211com_t *ic = &sc->sc_ic;
IWH_DBG((IWH_DEBUG_RATECTL, "iwh_amrr_timeout() enter\n"));
if (IEEE80211_M_STA == ic->ic_opmode) {
iwh_amrr_ratectl(NULL, ic->ic_bss);
} else {
ieee80211_iterate_nodes(&ic->ic_sta, iwh_amrr_ratectl, NULL);
}
sc->sc_clk = ddi_get_lbolt();
}
static void
/* LINTED: argument unused in function: arg */
iwh_amrr_ratectl(void *arg, ieee80211_node_t *in)
{
iwh_amrr_t *amrr = (iwh_amrr_t *)in;
int need_change = 0;
if (is_success(amrr) && is_enough(amrr)) {
amrr->success++;
if (amrr->success >= amrr->success_threshold &&
!is_max_rate(in)) {
amrr->recovery = 1;
amrr->success = 0;
increase_rate(in);
IWH_DBG((IWH_DEBUG_RATECTL,
"AMRR increasing rate %d (txcnt=%d retrycnt=%d)\n",
in->in_txrate, amrr->txcnt, amrr->retrycnt));
need_change = 1;
} else {
amrr->recovery = 0;
}
} else if (is_failure(amrr)) {
amrr->success = 0;
if (!is_min_rate(in)) {
if (amrr->recovery) {
amrr->success_threshold++;
if (amrr->success_threshold >
IWH_AMRR_MAX_SUCCESS_THRESHOLD) {
amrr->success_threshold =
IWH_AMRR_MAX_SUCCESS_THRESHOLD;
}
} else {
amrr->success_threshold =
IWH_AMRR_MIN_SUCCESS_THRESHOLD;
}
decrease_rate(in);
IWH_DBG((IWH_DEBUG_RATECTL,
"AMRR decreasing rate %d (txcnt=%d retrycnt=%d)\n",
in->in_txrate, amrr->txcnt, amrr->retrycnt));
need_change = 1;
}
amrr->recovery = 0; /* paper is incorrect */
}
if (is_enough(amrr) || need_change) {
reset_cnt(amrr);
}
}
/*
* translate indirect address in eeprom to direct address
* in eeprom and return address of entry whos indirect address
* is indi_addr
*/
static uint8_t *
iwh_eep_addr_trans(iwh_sc_t *sc, uint32_t indi_addr)
{
uint32_t di_addr;
uint16_t temp;
if (!(indi_addr & INDIRECT_ADDRESS)) {
di_addr = indi_addr;
return (&sc->sc_eep_map[di_addr]);
}
switch (indi_addr & INDIRECT_TYPE_MSK) {
case INDIRECT_GENERAL:
temp = IWH_READ_EEP_SHORT(sc, EEP_LINK_GENERAL);
break;
case INDIRECT_HOST:
temp = IWH_READ_EEP_SHORT(sc, EEP_LINK_HOST);
break;
case INDIRECT_REGULATORY:
temp = IWH_READ_EEP_SHORT(sc, EEP_LINK_REGULATORY);
break;
case INDIRECT_CALIBRATION:
temp = IWH_READ_EEP_SHORT(sc, EEP_LINK_CALIBRATION);
break;
case INDIRECT_PROCESS_ADJST:
temp = IWH_READ_EEP_SHORT(sc, EEP_LINK_PROCESS_ADJST);
break;
case INDIRECT_OTHERS:
temp = IWH_READ_EEP_SHORT(sc, EEP_LINK_OTHERS);
break;
default:
temp = 0;
cmn_err(CE_WARN, "iwh_eep_addr_trans(): "
"incorrect indirect eeprom address.\n");
break;
}
di_addr = (indi_addr & ADDRESS_MSK) + (temp << 1);
return (&sc->sc_eep_map[di_addr]);
}
/*
* loade a section of ucode into NIC
*/
static int
iwh_put_seg_fw(iwh_sc_t *sc, uint32_t addr_s, uint32_t addr_d, uint32_t len)
{
iwh_mac_access_enter(sc);
IWH_WRITE(sc, IWH_FH_TCSR_CHNL_TX_CONFIG_REG(IWH_FH_SRVC_CHNL),
IWH_FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_PAUSE);
IWH_WRITE(sc, IWH_FH_SRVC_CHNL_SRAM_ADDR_REG(IWH_FH_SRVC_CHNL), addr_d);
IWH_WRITE(sc, IWH_FH_TFDIB_CTRL0_REG(IWH_FH_SRVC_CHNL),
(addr_s & FH_MEM_TFDIB_DRAM_ADDR_LSB_MASK));
IWH_WRITE(sc, IWH_FH_TFDIB_CTRL1_REG(IWH_FH_SRVC_CHNL), len);
IWH_WRITE(sc, IWH_FH_TCSR_CHNL_TX_BUF_STS_REG(IWH_FH_SRVC_CHNL),
(1 << IWH_FH_TCSR_CHNL_TX_BUF_STS_REG_POS_TB_NUM) |
(1 << IWH_FH_TCSR_CHNL_TX_BUF_STS_REG_POS_TB_IDX) |
IWH_FH_TCSR_CHNL_TX_BUF_STS_REG_VAL_TFDB_VALID);
IWH_WRITE(sc, IWH_FH_TCSR_CHNL_TX_CONFIG_REG(IWH_FH_SRVC_CHNL),
IWH_FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE |
IWH_FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_DISABLE_VAL |
IWH_FH_TCSR_TX_CONFIG_REG_VAL_CIRQ_HOST_ENDTFD);
iwh_mac_access_exit(sc);
return (IWH_SUCCESS);
}
/*
* necessary setting during alive notification
*/
static int
iwh_alive_common(iwh_sc_t *sc)
{
uint32_t base;
uint32_t i;
iwh_wimax_coex_cmd_t w_cmd;
iwh_calibration_crystal_cmd_t c_cmd;
uint32_t rv;
/*
* initialize SCD related registers to make TX work.
*/
iwh_mac_access_enter(sc);
/*
* read sram address of data base.
*/
sc->sc_scd_base = iwh_reg_read(sc, IWH_SCD_SRAM_BASE_ADDR);
for (base = sc->sc_scd_base + IWH_SCD_CONTEXT_DATA_OFFSET;
base < sc->sc_scd_base + IWH_SCD_TX_STTS_BITMAP_OFFSET;
base += 4) {
iwh_mem_write(sc, base, 0);
}
for (; base < sc->sc_scd_base + IWH_SCD_TRANSLATE_TBL_OFFSET;
base += 4) {
iwh_mem_write(sc, base, 0);
}
for (i = 0; i < sizeof (uint16_t) * IWH_NUM_QUEUES; i += 4) {
iwh_mem_write(sc, base + i, 0);
}
iwh_reg_write(sc, IWH_SCD_DRAM_BASE_ADDR,
sc->sc_dma_sh.cookie.dmac_address >> 10);
iwh_reg_write(sc, IWH_SCD_QUEUECHAIN_SEL,
IWH_SCD_QUEUECHAIN_SEL_ALL(IWH_NUM_QUEUES));
iwh_reg_write(sc, IWH_SCD_AGGR_SEL, 0);
for (i = 0; i < IWH_NUM_QUEUES; i++) {
iwh_reg_write(sc, IWH_SCD_QUEUE_RDPTR(i), 0);
IWH_WRITE(sc, HBUS_TARG_WRPTR, 0 | (i << 8));
iwh_mem_write(sc, sc->sc_scd_base +
IWH_SCD_CONTEXT_QUEUE_OFFSET(i), 0);
iwh_mem_write(sc, sc->sc_scd_base +
IWH_SCD_CONTEXT_QUEUE_OFFSET(i) +
sizeof (uint32_t),
((SCD_WIN_SIZE << IWH_SCD_QUEUE_CTX_REG2_WIN_SIZE_POS) &
IWH_SCD_QUEUE_CTX_REG2_WIN_SIZE_MSK) |
((SCD_FRAME_LIMIT <<
IWH_SCD_QUEUE_CTX_REG2_FRAME_LIMIT_POS) &
IWH_SCD_QUEUE_CTX_REG2_FRAME_LIMIT_MSK));
}
iwh_reg_write(sc, IWH_SCD_INTERRUPT_MASK, (1 << IWH_NUM_QUEUES) - 1);
iwh_reg_write(sc, (IWH_SCD_BASE + 0x10),
SCD_TXFACT_REG_TXFIFO_MASK(0, 7));
IWH_WRITE(sc, HBUS_TARG_WRPTR, (IWH_CMD_QUEUE_NUM << 8));
iwh_reg_write(sc, IWH_SCD_QUEUE_RDPTR(IWH_CMD_QUEUE_NUM), 0);
/*
* queue 0-7 map to FIFO 0-7 and
* all queues work under FIFO mode(none-scheduler_ack)
*/
for (i = 0; i < 4; i++) {
iwh_reg_write(sc, IWH_SCD_QUEUE_STATUS_BITS(i),
(1 << IWH_SCD_QUEUE_STTS_REG_POS_ACTIVE) |
((3-i) << IWH_SCD_QUEUE_STTS_REG_POS_TXF) |
(1 << IWH_SCD_QUEUE_STTS_REG_POS_WSL) |
IWH_SCD_QUEUE_STTS_REG_MSK);
}
iwh_reg_write(sc, IWH_SCD_QUEUE_STATUS_BITS(IWH_CMD_QUEUE_NUM),
(1 << IWH_SCD_QUEUE_STTS_REG_POS_ACTIVE) |
(IWH_CMD_FIFO_NUM << IWH_SCD_QUEUE_STTS_REG_POS_TXF) |
(1 << IWH_SCD_QUEUE_STTS_REG_POS_WSL) |
IWH_SCD_QUEUE_STTS_REG_MSK);
for (i = 5; i < 7; i++) {
iwh_reg_write(sc, IWH_SCD_QUEUE_STATUS_BITS(i),
(1 << IWH_SCD_QUEUE_STTS_REG_POS_ACTIVE) |
(i << IWH_SCD_QUEUE_STTS_REG_POS_TXF) |
(1 << IWH_SCD_QUEUE_STTS_REG_POS_WSL) |
IWH_SCD_QUEUE_STTS_REG_MSK);
}
iwh_mac_access_exit(sc);
(void) memset(&w_cmd, 0, sizeof (w_cmd));
rv = iwh_cmd(sc, COEX_PRIORITY_TABLE_CMD, &w_cmd, sizeof (w_cmd), 1);
if (rv != IWH_SUCCESS) {
cmn_err(CE_WARN, "iwh_alive_common(): "
"failed to send wimax coexist command.\n");
return (rv);
}
(void) memset(&c_cmd, 0, sizeof (c_cmd));
c_cmd.opCode = PHY_CALIBRATE_CRYSTAL_FRQ_CMD;
c_cmd.data.cap_pin1 = sc->sc_eep_calib->xtal_calib[0];
c_cmd.data.cap_pin2 = sc->sc_eep_calib->xtal_calib[1];
rv = iwh_cmd(sc, REPLY_PHY_CALIBRATION_CMD, &c_cmd, sizeof (c_cmd), 1);
if (rv != IWH_SUCCESS) {
cmn_err(CE_WARN, "iwh_alive_common(): "
"failed to send crystal frq calibration command.\n");
return (rv);
}
/*
* make sure crystal frequency calibration ready
* before next operations.
*/
DELAY(1000);
return (IWH_SUCCESS);
}
/*
* save results of calibration from ucode
*/
static void
iwh_save_calib_result(iwh_sc_t *sc, iwh_rx_desc_t *desc)
{
struct iwh_calib_results *res_p = &sc->sc_calib_results;
struct iwh_calib_hdr *calib_hdr = (struct iwh_calib_hdr *)(desc + 1);
int len = desc->len;
/*
* ensure the size of buffer is not too big
*/
len = (len & FH_RSCSR_FRAME_SIZE_MASK) - 4;
switch (calib_hdr->op_code) {
case PHY_CALIBRATE_LO_CMD:
if (NULL == res_p->lo_res) {
res_p->lo_res = kmem_alloc(len, KM_NOSLEEP);
}
if (NULL == res_p->lo_res) {
cmn_err(CE_WARN, "iwh_save_calib_result(): "
"failed to allocate memory.\n");
return;
}
res_p->lo_res_len = len;
(void) memcpy(res_p->lo_res, calib_hdr, len);
break;
case PHY_CALIBRATE_TX_IQ_CMD:
if (NULL == res_p->tx_iq_res) {
res_p->tx_iq_res = kmem_alloc(len, KM_NOSLEEP);
}
if (NULL == res_p->tx_iq_res) {
cmn_err(CE_WARN, "iwh_save_calib_result(): "
"failed to allocate memory.\n");
return;
}
res_p->tx_iq_res_len = len;
(void) memcpy(res_p->tx_iq_res, calib_hdr, len);
break;
case PHY_CALIBRATE_TX_IQ_PERD_CMD:
if (NULL == res_p->tx_iq_perd_res) {
res_p->tx_iq_perd_res = kmem_alloc(len, KM_NOSLEEP);
}
if (NULL == res_p->tx_iq_perd_res) {
cmn_err(CE_WARN, "iwh_save_calib_result(): "
"failed to allocate memory.\n");
}
res_p->tx_iq_perd_res_len = len;
(void) memcpy(res_p->tx_iq_perd_res, calib_hdr, len);
break;
default:
cmn_err(CE_WARN, "iwh_save_calib_result(): "
"incorrect calibration type.\n");
break;
}
}
/*
* configure TX pwoer table
*/
static int
iwh_tx_power_table(iwh_sc_t *sc, int async)
{
iwh_tx_power_table_cmd_t txpower;
int i, err;
(void) memset(&txpower, 0, sizeof (txpower));
txpower.band = 1; /* for 2.4G */
txpower.channel = sc->sc_config.chan;
txpower.pa_measurements = 1;
txpower.max_mcs = 23;
for (i = 0; i < 24; i++) {
txpower.db.ht_ofdm_power[i].s.radio_tx_gain[0] = 0x16;
txpower.db.ht_ofdm_power[i].s.radio_tx_gain[1] = 0x16;
txpower.db.ht_ofdm_power[i].s.radio_tx_gain[2] = 0x16;
txpower.db.ht_ofdm_power[i].s.dsp_predis_atten[0] = 0x6E;
txpower.db.ht_ofdm_power[i].s.dsp_predis_atten[1] = 0x6E;
txpower.db.ht_ofdm_power[i].s.dsp_predis_atten[2] = 0x6E;
}
for (i = 0; i < 2; i++) {
txpower.db.cck_power[i].s.radio_tx_gain[0] = 0x16;
txpower.db.cck_power[i].s.radio_tx_gain[1] = 0x16;
txpower.db.cck_power[i].s.radio_tx_gain[2] = 0x16;
txpower.db.cck_power[i].s.dsp_predis_atten[0] = 0x6E;
txpower.db.cck_power[i].s.dsp_predis_atten[1] = 0x6E;
txpower.db.cck_power[i].s.dsp_predis_atten[2] = 0x6E;
}
err = iwh_cmd(sc, REPLY_TX_PWR_TABLE_CMD, &txpower,
sizeof (txpower), async);
if (err != IWH_SUCCESS) {
cmn_err(CE_WARN, "iwh_tx_power_table(): "
"failed to set tx power table.\n");
return (err);
}
return (IWH_SUCCESS);
}
static void
iwh_release_calib_buffer(iwh_sc_t *sc)
{
if (sc->sc_calib_results.lo_res != NULL) {
kmem_free(sc->sc_calib_results.lo_res,
sc->sc_calib_results.lo_res_len);
sc->sc_calib_results.lo_res = NULL;
}
if (sc->sc_calib_results.tx_iq_res != NULL) {
kmem_free(sc->sc_calib_results.tx_iq_res,
sc->sc_calib_results.tx_iq_res_len);
sc->sc_calib_results.tx_iq_res = NULL;
}
if (sc->sc_calib_results.tx_iq_perd_res != NULL) {
kmem_free(sc->sc_calib_results.tx_iq_perd_res,
sc->sc_calib_results.tx_iq_perd_res_len);
sc->sc_calib_results.tx_iq_perd_res = NULL;
}
}
/*
* a section of intialization
*/
static int
iwh_init_common(iwh_sc_t *sc)
{
int32_t qid;
uint32_t tmp;
(void) iwh_preinit(sc);
tmp = IWH_READ(sc, CSR_GP_CNTRL);
if (!(tmp & CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW)) {
cmn_err(CE_WARN, "iwh_init_common(): "
"radio transmitter is off\n");
return (IWH_FAIL);
}
/*
* init Rx ring
*/
iwh_mac_access_enter(sc);
IWH_WRITE(sc, FH_MEM_RCSR_CHNL0_CONFIG_REG, 0);
IWH_WRITE(sc, FH_RSCSR_CHNL0_RBDCB_WPTR_REG, 0);
IWH_WRITE(sc, FH_RSCSR_CHNL0_RBDCB_BASE_REG,
sc->sc_rxq.dma_desc.cookie.dmac_address >> 8);
IWH_WRITE(sc, FH_RSCSR_CHNL0_STTS_WPTR_REG,
((uint32_t)(sc->sc_dma_sh.cookie.dmac_address +
offsetof(struct iwh_shared, val0)) >> 4));
IWH_WRITE(sc, FH_MEM_RCSR_CHNL0_CONFIG_REG,
FH_RCSR_RX_CONFIG_CHNL_EN_ENABLE_VAL |
FH_RCSR_CHNL0_RX_CONFIG_IRQ_DEST_INT_HOST_VAL |
IWH_FH_RCSR_RX_CONFIG_REG_VAL_RB_SIZE_4K |
(RX_QUEUE_SIZE_LOG <<
FH_RCSR_RX_CONFIG_RBDCB_SIZE_BITSHIFT));
iwh_mac_access_exit(sc);
IWH_WRITE(sc, FH_RSCSR_CHNL0_RBDCB_WPTR_REG,
(RX_QUEUE_SIZE - 1) & ~0x7);
/*
* init Tx rings
*/
iwh_mac_access_enter(sc);
iwh_reg_write(sc, IWH_SCD_TXFACT, 0);
/*
* keep warm page
*/
IWH_WRITE(sc, IWH_FH_KW_MEM_ADDR_REG,
sc->sc_dma_kw.cookie.dmac_address >> 4);
for (qid = 0; qid < IWH_NUM_QUEUES; qid++) {
IWH_WRITE(sc, FH_MEM_CBBC_QUEUE(qid),
sc->sc_txq[qid].dma_desc.cookie.dmac_address >> 8);
IWH_WRITE(sc, IWH_FH_TCSR_CHNL_TX_CONFIG_REG(qid),
IWH_FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE |
IWH_FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_ENABLE_VAL);
}
iwh_mac_access_exit(sc);
/*
* clear "radio off" and "disable command" bits
*/
IWH_WRITE(sc, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL);
IWH_WRITE(sc, CSR_UCODE_DRV_GP1_CLR,
CSR_UCODE_DRV_GP1_BIT_CMD_BLOCKED);
/*
* clear any pending interrupts
*/
IWH_WRITE(sc, CSR_INT, 0xffffffff);
/*
* enable interrupts
*/
IWH_WRITE(sc, CSR_INT_MASK, CSR_INI_SET_MASK);
IWH_WRITE(sc, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL);
IWH_WRITE(sc, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL);
return (IWH_SUCCESS);
}