* Broadcom B43legacy wireless driver
*
* Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>
- * Copyright (c) 2005 Stefano Brivio <st3@riseup.net>
+ * Copyright (c) 2005-2008 Stefano Brivio <stefano.brivio@polimi.it>
* Copyright (c) 2005, 2006 Michael Buesch <mb@bu3sch.de>
* Copyright (c) 2005 Danny van Dyk <kugelfang@gentoo.org>
* Copyright (c) 2005 Andreas Jaggi <andreas.jaggi@waterwave.ch>
MODULE_AUTHOR("Michael Buesch");
MODULE_LICENSE("GPL");
+MODULE_FIRMWARE(B43legacy_SUPPORTED_FIRMWARE_ID);
+
#if defined(CONFIG_B43LEGACY_DMA) && defined(CONFIG_B43LEGACY_PIO)
static int modparam_pio;
module_param_named(pio, modparam_pio, int, 0444);
MODULE_PARM_DESC(bad_frames_preempt, "enable(1) / disable(0) Bad Frames"
" Preemption");
-static int modparam_short_retry = B43legacy_DEFAULT_SHORT_RETRY_LIMIT;
-module_param_named(short_retry, modparam_short_retry, int, 0444);
-MODULE_PARM_DESC(short_retry, "Short-Retry-Limit (0 - 15)");
-
-static int modparam_long_retry = B43legacy_DEFAULT_LONG_RETRY_LIMIT;
-module_param_named(long_retry, modparam_long_retry, int, 0444);
-MODULE_PARM_DESC(long_retry, "Long-Retry-Limit (0 - 15)");
-
-static int modparam_noleds;
-module_param_named(noleds, modparam_noleds, int, 0444);
-MODULE_PARM_DESC(noleds, "Turn off all LED activity");
-
static char modparam_fwpostfix[16];
module_param_string(fwpostfix, modparam_fwpostfix, 16, 0444);
MODULE_PARM_DESC(fwpostfix, "Postfix for the firmware files to load.");
* data in there. This data is the same for all devices, so we don't
* get concurrency issues */
#define RATETAB_ENT(_rateid, _flags) \
- { \
- .rate = B43legacy_RATE_TO_100KBPS(_rateid), \
- .val = (_rateid), \
- .val2 = (_rateid), \
- .flags = (_flags), \
+ { \
+ .bitrate = B43legacy_RATE_TO_100KBPS(_rateid), \
+ .hw_value = (_rateid), \
+ .flags = (_flags), \
}
+/*
+ * NOTE: When changing this, sync with xmit.c's
+ * b43legacy_plcp_get_bitrate_idx_* functions!
+ */
static struct ieee80211_rate __b43legacy_ratetable[] = {
- RATETAB_ENT(B43legacy_CCK_RATE_1MB, IEEE80211_RATE_CCK),
- RATETAB_ENT(B43legacy_CCK_RATE_2MB, IEEE80211_RATE_CCK_2),
- RATETAB_ENT(B43legacy_CCK_RATE_5MB, IEEE80211_RATE_CCK_2),
- RATETAB_ENT(B43legacy_CCK_RATE_11MB, IEEE80211_RATE_CCK_2),
- RATETAB_ENT(B43legacy_OFDM_RATE_6MB, IEEE80211_RATE_OFDM),
- RATETAB_ENT(B43legacy_OFDM_RATE_9MB, IEEE80211_RATE_OFDM),
- RATETAB_ENT(B43legacy_OFDM_RATE_12MB, IEEE80211_RATE_OFDM),
- RATETAB_ENT(B43legacy_OFDM_RATE_18MB, IEEE80211_RATE_OFDM),
- RATETAB_ENT(B43legacy_OFDM_RATE_24MB, IEEE80211_RATE_OFDM),
- RATETAB_ENT(B43legacy_OFDM_RATE_36MB, IEEE80211_RATE_OFDM),
- RATETAB_ENT(B43legacy_OFDM_RATE_48MB, IEEE80211_RATE_OFDM),
- RATETAB_ENT(B43legacy_OFDM_RATE_54MB, IEEE80211_RATE_OFDM),
+ RATETAB_ENT(B43legacy_CCK_RATE_1MB, 0),
+ RATETAB_ENT(B43legacy_CCK_RATE_2MB, IEEE80211_RATE_SHORT_PREAMBLE),
+ RATETAB_ENT(B43legacy_CCK_RATE_5MB, IEEE80211_RATE_SHORT_PREAMBLE),
+ RATETAB_ENT(B43legacy_CCK_RATE_11MB, IEEE80211_RATE_SHORT_PREAMBLE),
+ RATETAB_ENT(B43legacy_OFDM_RATE_6MB, 0),
+ RATETAB_ENT(B43legacy_OFDM_RATE_9MB, 0),
+ RATETAB_ENT(B43legacy_OFDM_RATE_12MB, 0),
+ RATETAB_ENT(B43legacy_OFDM_RATE_18MB, 0),
+ RATETAB_ENT(B43legacy_OFDM_RATE_24MB, 0),
+ RATETAB_ENT(B43legacy_OFDM_RATE_36MB, 0),
+ RATETAB_ENT(B43legacy_OFDM_RATE_48MB, 0),
+ RATETAB_ENT(B43legacy_OFDM_RATE_54MB, 0),
};
-#define b43legacy_a_ratetable (__b43legacy_ratetable + 4)
-#define b43legacy_a_ratetable_size 8
#define b43legacy_b_ratetable (__b43legacy_ratetable + 0)
#define b43legacy_b_ratetable_size 4
#define b43legacy_g_ratetable (__b43legacy_ratetable + 0)
#define CHANTAB_ENT(_chanid, _freq) \
{ \
- .chan = (_chanid), \
- .freq = (_freq), \
- .val = (_chanid), \
- .flag = IEEE80211_CHAN_W_SCAN | \
- IEEE80211_CHAN_W_ACTIVE_SCAN | \
- IEEE80211_CHAN_W_IBSS, \
- .power_level = 0x0A, \
- .antenna_max = 0xFF, \
+ .center_freq = (_freq), \
+ .hw_value = (_chanid), \
}
static struct ieee80211_channel b43legacy_bg_chantable[] = {
CHANTAB_ENT(1, 2412),
CHANTAB_ENT(13, 2472),
CHANTAB_ENT(14, 2484),
};
-#define b43legacy_bg_chantable_size ARRAY_SIZE(b43legacy_bg_chantable)
+
+static struct ieee80211_supported_band b43legacy_band_2GHz_BPHY = {
+ .channels = b43legacy_bg_chantable,
+ .n_channels = ARRAY_SIZE(b43legacy_bg_chantable),
+ .bitrates = b43legacy_b_ratetable,
+ .n_bitrates = b43legacy_b_ratetable_size,
+};
+
+static struct ieee80211_supported_band b43legacy_band_2GHz_GPHY = {
+ .channels = b43legacy_bg_chantable,
+ .n_channels = ARRAY_SIZE(b43legacy_bg_chantable),
+ .bitrates = b43legacy_g_ratetable,
+ .n_bitrates = b43legacy_g_ratetable_size,
+};
static void b43legacy_wireless_core_exit(struct b43legacy_wldev *dev);
static int b43legacy_wireless_core_init(struct b43legacy_wldev *dev);
B43legacy_WARN_ON(offset % 4 != 0);
- status = b43legacy_read32(dev, B43legacy_MMIO_STATUS_BITFIELD);
- if (status & B43legacy_SBF_XFER_REG_BYTESWAP)
+ status = b43legacy_read32(dev, B43legacy_MMIO_MACCTL);
+ if (status & B43legacy_MACCTL_BE)
val = swab32(val);
b43legacy_write32(dev, B43legacy_MMIO_RAM_CONTROL, offset);
{
u32 status;
- status = b43legacy_read32(dev, B43legacy_MMIO_STATUS_BITFIELD);
- status |= B43legacy_SBF_TIME_UPDATE;
- b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD, status);
+ status = b43legacy_read32(dev, B43legacy_MMIO_MACCTL);
+ status |= B43legacy_MACCTL_TBTTHOLD;
+ b43legacy_write32(dev, B43legacy_MMIO_MACCTL, status);
mmiowb();
}
{
u32 status;
- status = b43legacy_read32(dev, B43legacy_MMIO_STATUS_BITFIELD);
- status &= ~B43legacy_SBF_TIME_UPDATE;
- b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD, status);
+ status = b43legacy_read32(dev, B43legacy_MMIO_MACCTL);
+ status &= ~B43legacy_MACCTL_TBTTHOLD;
+ b43legacy_write32(dev, B43legacy_MMIO_MACCTL, status);
}
static void b43legacy_tsf_write_locked(struct b43legacy_wldev *dev, u64 tsf)
b43legacy_ram_write(dev, i * 4, buffer[i]);
/* dummy read follows */
- b43legacy_read32(dev, B43legacy_MMIO_STATUS_BITFIELD);
+ b43legacy_read32(dev, B43legacy_MMIO_MACCTL);
b43legacy_write16(dev, 0x0568, 0x0000);
b43legacy_write16(dev, 0x07C0, 0x0000);
static void b43legacy_generate_noise_sample(struct b43legacy_wldev *dev)
{
b43legacy_jssi_write(dev, 0x7F7F7F7F);
- b43legacy_write32(dev, B43legacy_MMIO_STATUS2_BITFIELD,
- b43legacy_read32(dev,
- B43legacy_MMIO_STATUS2_BITFIELD)
- | (1 << 4));
+ b43legacy_write32(dev, B43legacy_MMIO_MACCMD,
+ b43legacy_read32(dev, B43legacy_MMIO_MACCMD)
+ | B43legacy_MACCMD_BGNOISE);
B43legacy_WARN_ON(dev->noisecalc.channel_at_start !=
dev->phy.channel);
}
if (1/*FIXME: the last PSpoll frame was sent successfully */)
b43legacy_power_saving_ctl_bits(dev, -1, -1);
}
- dev->reg124_set_0x4 = 0;
if (b43legacy_is_mode(dev->wl, IEEE80211_IF_TYPE_IBSS))
- dev->reg124_set_0x4 = 1;
+ dev->dfq_valid = 1;
}
static void handle_irq_atim_end(struct b43legacy_wldev *dev)
{
- if (!dev->reg124_set_0x4) /*FIXME rename this variable*/
- return;
- b43legacy_write32(dev, B43legacy_MMIO_STATUS2_BITFIELD,
- b43legacy_read32(dev, B43legacy_MMIO_STATUS2_BITFIELD)
- | 0x4);
+ if (dev->dfq_valid) {
+ b43legacy_write32(dev, B43legacy_MMIO_MACCMD,
+ b43legacy_read32(dev, B43legacy_MMIO_MACCMD)
+ | B43legacy_MACCMD_DFQ_VALID);
+ dev->dfq_valid = 0;
+ }
}
static void handle_irq_pmq(struct b43legacy_wldev *dev)
u16 ram_offset,
u16 shm_size_offset, u8 rate)
{
- int len;
- const u8 *data;
- B43legacy_WARN_ON(!dev->cached_beacon);
- len = min((size_t)dev->cached_beacon->len,
+ unsigned int i, len, variable_len;
+ const struct ieee80211_mgmt *bcn;
+ const u8 *ie;
+ bool tim_found = 0;
+
+ bcn = (const struct ieee80211_mgmt *)(dev->wl->current_beacon->data);
+ len = min((size_t)dev->wl->current_beacon->len,
0x200 - sizeof(struct b43legacy_plcp_hdr6));
- data = (const u8 *)(dev->cached_beacon->data);
- b43legacy_write_template_common(dev, data,
- len, ram_offset,
+
+ b43legacy_write_template_common(dev, (const u8 *)bcn, len, ram_offset,
shm_size_offset, rate);
+
+ /* Find the position of the TIM and the DTIM_period value
+ * and write them to SHM. */
+ ie = bcn->u.beacon.variable;
+ variable_len = len - offsetof(struct ieee80211_mgmt, u.beacon.variable);
+ for (i = 0; i < variable_len - 2; ) {
+ uint8_t ie_id, ie_len;
+
+ ie_id = ie[i];
+ ie_len = ie[i + 1];
+ if (ie_id == 5) {
+ u16 tim_position;
+ u16 dtim_period;
+ /* This is the TIM Information Element */
+
+ /* Check whether the ie_len is in the beacon data range. */
+ if (variable_len < ie_len + 2 + i)
+ break;
+ /* A valid TIM is at least 4 bytes long. */
+ if (ie_len < 4)
+ break;
+ tim_found = 1;
+
+ tim_position = sizeof(struct b43legacy_plcp_hdr6);
+ tim_position += offsetof(struct ieee80211_mgmt,
+ u.beacon.variable);
+ tim_position += i;
+
+ dtim_period = ie[i + 3];
+
+ b43legacy_shm_write16(dev, B43legacy_SHM_SHARED,
+ B43legacy_SHM_SH_TIMPOS, tim_position);
+ b43legacy_shm_write16(dev, B43legacy_SHM_SHARED,
+ B43legacy_SHM_SH_DTIMP, dtim_period);
+ break;
+ }
+ i += ie_len + 2;
+ }
+ if (!tim_found) {
+ b43legacywarn(dev->wl, "Did not find a valid TIM IE in the "
+ "beacon template packet. AP or IBSS operation "
+ "may be broken.\n");
+ }
}
static void b43legacy_write_probe_resp_plcp(struct b43legacy_wldev *dev,
u16 shm_offset, u16 size,
- u8 rate)
+ struct ieee80211_rate *rate)
{
struct b43legacy_plcp_hdr4 plcp;
u32 tmp;
__le16 dur;
plcp.data = 0;
- b43legacy_generate_plcp_hdr(&plcp, size + FCS_LEN, rate);
+ b43legacy_generate_plcp_hdr(&plcp, size + FCS_LEN, rate->bitrate);
dur = ieee80211_generic_frame_duration(dev->wl->hw,
- dev->wl->if_id,
+ dev->wl->vif,
size,
- B43legacy_RATE_TO_100KBPS(rate));
+ rate);
/* Write PLCP in two parts and timing for packet transfer */
tmp = le32_to_cpu(plcp.data);
b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, shm_offset,
* 2) Patching duration field
* 3) Stripping TIM
*/
-static u8 *b43legacy_generate_probe_resp(struct b43legacy_wldev *dev,
- u16 *dest_size, u8 rate)
+static const u8 *b43legacy_generate_probe_resp(struct b43legacy_wldev *dev,
+ u16 *dest_size,
+ struct ieee80211_rate *rate)
{
const u8 *src_data;
u8 *dest_data;
- u16 src_size;
- u16 elem_size;
- u16 src_pos;
- u16 dest_pos;
+ u16 src_size, elem_size, src_pos, dest_pos;
__le16 dur;
struct ieee80211_hdr *hdr;
+ size_t ie_start;
- B43legacy_WARN_ON(!dev->cached_beacon);
- src_size = dev->cached_beacon->len;
- src_data = (const u8 *)dev->cached_beacon->data;
+ src_size = dev->wl->current_beacon->len;
+ src_data = (const u8 *)dev->wl->current_beacon->data;
- if (unlikely(src_size < 0x24)) {
- b43legacydbg(dev->wl, "b43legacy_generate_probe_resp: "
- "invalid beacon\n");
+ /* Get the start offset of the variable IEs in the packet. */
+ ie_start = offsetof(struct ieee80211_mgmt, u.probe_resp.variable);
+ B43legacy_WARN_ON(ie_start != offsetof(struct ieee80211_mgmt,
+ u.beacon.variable));
+
+ if (B43legacy_WARN_ON(src_size < ie_start))
return NULL;
- }
dest_data = kmalloc(src_size, GFP_ATOMIC);
if (unlikely(!dest_data))
return NULL;
- /* 0x24 is offset of first variable-len Information-Element
- * in beacon frame.
- */
- memcpy(dest_data, src_data, 0x24);
- src_pos = 0x24;
- dest_pos = 0x24;
- for (; src_pos < src_size - 2; src_pos += elem_size) {
+ /* Copy the static data and all Information Elements, except the TIM. */
+ memcpy(dest_data, src_data, ie_start);
+ src_pos = ie_start;
+ dest_pos = ie_start;
+ for ( ; src_pos < src_size - 2; src_pos += elem_size) {
elem_size = src_data[src_pos + 1] + 2;
- if (src_data[src_pos] != 0x05) { /* TIM */
- memcpy(dest_data + dest_pos, src_data + src_pos,
- elem_size);
- dest_pos += elem_size;
+ if (src_data[src_pos] == 5) {
+ /* This is the TIM. */
+ continue;
}
+ memcpy(dest_data + dest_pos, src_data + src_pos, elem_size);
+ dest_pos += elem_size;
}
*dest_size = dest_pos;
hdr = (struct ieee80211_hdr *)dest_data;
hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
IEEE80211_STYPE_PROBE_RESP);
dur = ieee80211_generic_frame_duration(dev->wl->hw,
- dev->wl->if_id,
+ dev->wl->vif,
*dest_size,
- B43legacy_RATE_TO_100KBPS(rate));
+ rate);
hdr->duration_id = dur;
return dest_data;
static void b43legacy_write_probe_resp_template(struct b43legacy_wldev *dev,
u16 ram_offset,
- u16 shm_size_offset, u8 rate)
+ u16 shm_size_offset,
+ struct ieee80211_rate *rate)
{
- u8 *probe_resp_data;
+ const u8 *probe_resp_data;
u16 size;
- B43legacy_WARN_ON(!dev->cached_beacon);
- size = dev->cached_beacon->len;
+ size = dev->wl->current_beacon->len;
probe_resp_data = b43legacy_generate_probe_resp(dev, &size, rate);
if (unlikely(!probe_resp_data))
return;
* all possible basic rates
*/
b43legacy_write_probe_resp_plcp(dev, 0x31A, size,
- B43legacy_CCK_RATE_1MB);
+ &b43legacy_b_ratetable[0]);
b43legacy_write_probe_resp_plcp(dev, 0x32C, size,
- B43legacy_CCK_RATE_2MB);
+ &b43legacy_b_ratetable[1]);
b43legacy_write_probe_resp_plcp(dev, 0x33E, size,
- B43legacy_CCK_RATE_5MB);
+ &b43legacy_b_ratetable[2]);
b43legacy_write_probe_resp_plcp(dev, 0x350, size,
- B43legacy_CCK_RATE_11MB);
+ &b43legacy_b_ratetable[3]);
size = min((size_t)size,
0x200 - sizeof(struct b43legacy_plcp_hdr6));
b43legacy_write_template_common(dev, probe_resp_data,
size, ram_offset,
- shm_size_offset, rate);
+ shm_size_offset, rate->bitrate);
kfree(probe_resp_data);
}
-static int b43legacy_refresh_cached_beacon(struct b43legacy_wldev *dev,
- struct sk_buff *beacon)
+/* Asynchronously update the packet templates in template RAM.
+ * Locking: Requires wl->irq_lock to be locked. */
+static void b43legacy_update_templates(struct b43legacy_wl *wl,
+ struct sk_buff *beacon)
{
- if (dev->cached_beacon)
- kfree_skb(dev->cached_beacon);
- dev->cached_beacon = beacon;
+ /* This is the top half of the ansynchronous beacon update. The bottom
+ * half is the beacon IRQ. Beacon update must be asynchronous to avoid
+ * sending an invalid beacon. This can happen for example, if the
+ * firmware transmits a beacon while we are updating it. */
- return 0;
-}
-
-static void b43legacy_update_templates(struct b43legacy_wldev *dev)
-{
- u32 status;
-
- B43legacy_WARN_ON(!dev->cached_beacon);
-
- b43legacy_write_beacon_template(dev, 0x68, 0x18,
- B43legacy_CCK_RATE_1MB);
- b43legacy_write_beacon_template(dev, 0x468, 0x1A,
- B43legacy_CCK_RATE_1MB);
- b43legacy_write_probe_resp_template(dev, 0x268, 0x4A,
- B43legacy_CCK_RATE_11MB);
-
- status = b43legacy_read32(dev, B43legacy_MMIO_STATUS2_BITFIELD);
- status |= 0x03;
- b43legacy_write32(dev, B43legacy_MMIO_STATUS2_BITFIELD, status);
-}
-
-static void b43legacy_refresh_templates(struct b43legacy_wldev *dev,
- struct sk_buff *beacon)
-{
- int err;
-
- err = b43legacy_refresh_cached_beacon(dev, beacon);
- if (unlikely(err))
- return;
- b43legacy_update_templates(dev);
+ if (wl->current_beacon)
+ dev_kfree_skb_any(wl->current_beacon);
+ wl->current_beacon = beacon;
+ wl->beacon0_uploaded = 0;
+ wl->beacon1_uploaded = 0;
}
static void b43legacy_set_ssid(struct b43legacy_wldev *dev,
static void handle_irq_beacon(struct b43legacy_wldev *dev)
{
- u32 status;
+ struct b43legacy_wl *wl = dev->wl;
+ u32 cmd;
- if (!b43legacy_is_mode(dev->wl, IEEE80211_IF_TYPE_AP))
+ if (!b43legacy_is_mode(wl, IEEE80211_IF_TYPE_AP))
return;
- dev->irq_savedstate &= ~B43legacy_IRQ_BEACON;
- status = b43legacy_read32(dev, B43legacy_MMIO_STATUS2_BITFIELD);
-
- if (!dev->cached_beacon || ((status & 0x1) && (status & 0x2))) {
- /* ACK beacon IRQ. */
- b43legacy_write32(dev, B43legacy_MMIO_GEN_IRQ_REASON,
- B43legacy_IRQ_BEACON);
- dev->irq_savedstate |= B43legacy_IRQ_BEACON;
- if (dev->cached_beacon)
- kfree_skb(dev->cached_beacon);
- dev->cached_beacon = NULL;
- return;
- }
- if (!(status & 0x1)) {
- b43legacy_write_beacon_template(dev, 0x68, 0x18,
- B43legacy_CCK_RATE_1MB);
- status |= 0x1;
- b43legacy_write32(dev, B43legacy_MMIO_STATUS2_BITFIELD,
- status);
- }
- if (!(status & 0x2)) {
- b43legacy_write_beacon_template(dev, 0x468, 0x1A,
- B43legacy_CCK_RATE_1MB);
- status |= 0x2;
- b43legacy_write32(dev, B43legacy_MMIO_STATUS2_BITFIELD,
- status);
+ /* This is the bottom half of the asynchronous beacon update. */
+
+ cmd = b43legacy_read32(dev, B43legacy_MMIO_MACCMD);
+ if (!(cmd & B43legacy_MACCMD_BEACON0_VALID)) {
+ if (!wl->beacon0_uploaded) {
+ b43legacy_write_beacon_template(dev, 0x68,
+ B43legacy_SHM_SH_BTL0,
+ B43legacy_CCK_RATE_1MB);
+ b43legacy_write_probe_resp_template(dev, 0x268,
+ B43legacy_SHM_SH_PRTLEN,
+ &__b43legacy_ratetable[3]);
+ wl->beacon0_uploaded = 1;
+ }
+ cmd |= B43legacy_MACCMD_BEACON0_VALID;
+ }
+ if (!(cmd & B43legacy_MACCMD_BEACON1_VALID)) {
+ if (!wl->beacon1_uploaded) {
+ b43legacy_write_beacon_template(dev, 0x468,
+ B43legacy_SHM_SH_BTL1,
+ B43legacy_CCK_RATE_1MB);
+ wl->beacon1_uploaded = 1;
+ }
+ cmd |= B43legacy_MACCMD_BEACON1_VALID;
}
+ b43legacy_write32(dev, B43legacy_MMIO_MACCMD, cmd);
}
static void handle_irq_ucode_debug(struct b43legacy_wldev *dev)
u32 dma_reason[ARRAY_SIZE(dev->dma_reason)];
u32 merged_dma_reason = 0;
int i;
- int activity = 0;
unsigned long flags;
spin_lock_irqsave(&dev->wl->irq_lock, flags);
if (unlikely(reason & B43legacy_IRQ_MAC_TXERR))
b43legacyerr(dev->wl, "MAC transmission error\n");
- if (unlikely(reason & B43legacy_IRQ_PHY_TXERR))
+ if (unlikely(reason & B43legacy_IRQ_PHY_TXERR)) {
b43legacyerr(dev->wl, "PHY transmission error\n");
+ rmb();
+ if (unlikely(atomic_dec_and_test(&dev->phy.txerr_cnt))) {
+ b43legacyerr(dev->wl, "Too many PHY TX errors, "
+ "restarting the controller\n");
+ b43legacy_controller_restart(dev, "PHY TX errors");
+ }
+ }
if (unlikely(merged_dma_reason & (B43legacy_DMAIRQ_FATALMASK |
B43legacy_DMAIRQ_NONFATALMASK))) {
b43legacy_pio_rx(dev->pio.queue0);
else
b43legacy_dma_rx(dev->dma.rx_ring0);
- /* We intentionally don't set "activity" to 1, here. */
}
B43legacy_WARN_ON(dma_reason[1] & B43legacy_DMAIRQ_RX_DONE);
B43legacy_WARN_ON(dma_reason[2] & B43legacy_DMAIRQ_RX_DONE);
b43legacy_pio_rx(dev->pio.queue3);
else
b43legacy_dma_rx(dev->dma.rx_ring3);
- activity = 1;
}
B43legacy_WARN_ON(dma_reason[4] & B43legacy_DMAIRQ_RX_DONE);
B43legacy_WARN_ON(dma_reason[5] & B43legacy_DMAIRQ_RX_DONE);
- if (reason & B43legacy_IRQ_TX_OK) {
+ if (reason & B43legacy_IRQ_TX_OK)
handle_irq_transmit_status(dev);
- activity = 1;
- /* TODO: In AP mode, this also causes sending of powersave
- responses. */
- }
- if (!modparam_noleds)
- b43legacy_leds_update(dev, activity);
b43legacy_interrupt_enable(dev, dev->irq_savedstate);
mmiowb();
spin_unlock_irqrestore(&dev->wl->irq_lock, flags);
static void b43legacy_print_fw_helptext(struct b43legacy_wl *wl)
{
b43legacyerr(wl, "You must go to http://linuxwireless.org/en/users/"
- "Drivers/bcm43xx#devicefirmware "
+ "Drivers/b43#devicefirmware "
"and download the correct firmware (version 3).\n");
}
}
if (!fw->initvals) {
switch (dev->phy.type) {
+ case B43legacy_PHYTYPE_B:
case B43legacy_PHYTYPE_G:
if ((rev >= 5) && (rev <= 10))
filename = "b0g0initvals5";
}
if (!fw->initvals_band) {
switch (dev->phy.type) {
+ case B43legacy_PHYTYPE_B:
case B43legacy_PHYTYPE_G:
if ((rev >= 5) && (rev <= 10))
filename = "b0g0bsinitvals5";
u16 fwpatch;
u16 fwdate;
u16 fwtime;
- u32 tmp;
+ u32 tmp, macctl;
int err = 0;
+ /* Jump the microcode PSM to offset 0 */
+ macctl = b43legacy_read32(dev, B43legacy_MMIO_MACCTL);
+ B43legacy_WARN_ON(macctl & B43legacy_MACCTL_PSM_RUN);
+ macctl |= B43legacy_MACCTL_PSM_JMP0;
+ b43legacy_write32(dev, B43legacy_MMIO_MACCTL, macctl);
+ /* Zero out all microcode PSM registers and shared memory. */
+ for (i = 0; i < 64; i++)
+ b43legacy_shm_write16(dev, B43legacy_SHM_WIRELESS, i, 0);
+ for (i = 0; i < 4096; i += 2)
+ b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, i, 0);
+
/* Upload Microcode. */
data = (__be32 *) (dev->fw.ucode->data + hdr_len);
len = (dev->fw.ucode->size - hdr_len) / sizeof(__be32);
b43legacy_write32(dev, B43legacy_MMIO_GEN_IRQ_REASON,
B43legacy_IRQ_ALL);
- b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD, 0x00020402);
+
+ /* Start the microcode PSM */
+ macctl = b43legacy_read32(dev, B43legacy_MMIO_MACCTL);
+ macctl &= ~B43legacy_MACCTL_PSM_JMP0;
+ macctl |= B43legacy_MACCTL_PSM_RUN;
+ b43legacy_write32(dev, B43legacy_MMIO_MACCTL, macctl);
/* Wait for the microcode to load and respond */
i = 0;
b43legacyerr(dev->wl, "Microcode not responding\n");
b43legacy_print_fw_helptext(dev->wl);
err = -ENODEV;
- goto out;
+ goto error;
+ }
+ msleep_interruptible(50);
+ if (signal_pending(current)) {
+ err = -EINTR;
+ goto error;
}
- udelay(10);
}
/* dummy read follows */
b43legacy_read32(dev, B43legacy_MMIO_GEN_IRQ_REASON);
" is supported. You must change your firmware"
" files.\n");
b43legacy_print_fw_helptext(dev->wl);
- b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD, 0);
err = -EOPNOTSUPP;
- goto out;
+ goto error;
}
- b43legacydbg(dev->wl, "Loading firmware version 0x%X, patch level %u "
- "(20%.2i-%.2i-%.2i %.2i:%.2i:%.2i)\n", fwrev, fwpatch,
- (fwdate >> 12) & 0xF, (fwdate >> 8) & 0xF, fwdate & 0xFF,
- (fwtime >> 11) & 0x1F, (fwtime >> 5) & 0x3F, fwtime & 0x1F);
+ b43legacyinfo(dev->wl, "Loading firmware version 0x%X, patch level %u "
+ "(20%.2i-%.2i-%.2i %.2i:%.2i:%.2i)\n", fwrev, fwpatch,
+ (fwdate >> 12) & 0xF, (fwdate >> 8) & 0xF, fwdate & 0xFF,
+ (fwtime >> 11) & 0x1F, (fwtime >> 5) & 0x3F,
+ fwtime & 0x1F);
dev->fw.rev = fwrev;
dev->fw.patch = fwpatch;
-out:
+ return 0;
+
+error:
+ macctl = b43legacy_read32(dev, B43legacy_MMIO_MACCTL);
+ macctl &= ~B43legacy_MACCTL_PSM_RUN;
+ macctl |= B43legacy_MACCTL_PSM_JMP0;
+ b43legacy_write32(dev, B43legacy_MMIO_MACCTL, macctl);
+
return err;
}
u32 mask;
u32 set;
- b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD,
+ b43legacy_write32(dev, B43legacy_MMIO_MACCTL,
b43legacy_read32(dev,
- B43legacy_MMIO_STATUS_BITFIELD)
+ B43legacy_MMIO_MACCTL)
& 0xFFFF3FFF);
- b43legacy_leds_switch_all(dev, 0);
b43legacy_write16(dev, B43legacy_MMIO_GPIO_MASK,
b43legacy_read16(dev,
B43legacy_MMIO_GPIO_MASK)
mask |= 0x0060;
set |= 0x0060;
}
- if (dev->dev->bus->sprom.r1.boardflags_lo & B43legacy_BFL_PACTRL) {
+ if (dev->dev->bus->sprom.boardflags_lo & B43legacy_BFL_PACTRL) {
b43legacy_write16(dev, B43legacy_MMIO_GPIO_MASK,
b43legacy_read16(dev,
B43legacy_MMIO_GPIO_MASK)
{
dev->mac_suspended--;
B43legacy_WARN_ON(dev->mac_suspended < 0);
+ B43legacy_WARN_ON(irqs_disabled());
if (dev->mac_suspended == 0) {
- b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD,
+ b43legacy_write32(dev, B43legacy_MMIO_MACCTL,
b43legacy_read32(dev,
- B43legacy_MMIO_STATUS_BITFIELD)
- | B43legacy_SBF_MAC_ENABLED);
+ B43legacy_MMIO_MACCTL)
+ | B43legacy_MACCTL_ENABLED);
b43legacy_write32(dev, B43legacy_MMIO_GEN_IRQ_REASON,
B43legacy_IRQ_MAC_SUSPENDED);
/* the next two are dummy reads */
- b43legacy_read32(dev, B43legacy_MMIO_STATUS_BITFIELD);
+ b43legacy_read32(dev, B43legacy_MMIO_MACCTL);
b43legacy_read32(dev, B43legacy_MMIO_GEN_IRQ_REASON);
b43legacy_power_saving_ctl_bits(dev, -1, -1);
+
+ /* Re-enable IRQs. */
+ spin_lock_irq(&dev->wl->irq_lock);
+ b43legacy_interrupt_enable(dev, dev->irq_savedstate);
+ spin_unlock_irq(&dev->wl->irq_lock);
}
}
int i;
u32 tmp;
+ might_sleep();
+ B43legacy_WARN_ON(irqs_disabled());
B43legacy_WARN_ON(dev->mac_suspended < 0);
+
if (dev->mac_suspended == 0) {
+ /* Mask IRQs before suspending MAC. Otherwise
+ * the MAC stays busy and won't suspend. */
+ spin_lock_irq(&dev->wl->irq_lock);
+ tmp = b43legacy_interrupt_disable(dev, B43legacy_IRQ_ALL);
+ spin_unlock_irq(&dev->wl->irq_lock);
+ b43legacy_synchronize_irq(dev);
+ dev->irq_savedstate = tmp;
+
b43legacy_power_saving_ctl_bits(dev, -1, 1);
- b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD,
+ b43legacy_write32(dev, B43legacy_MMIO_MACCTL,
b43legacy_read32(dev,
- B43legacy_MMIO_STATUS_BITFIELD)
- & ~B43legacy_SBF_MAC_ENABLED);
+ B43legacy_MMIO_MACCTL)
+ & ~B43legacy_MACCTL_ENABLED);
b43legacy_read32(dev, B43legacy_MMIO_GEN_IRQ_REASON);
- for (i = 10000; i; i--) {
+ for (i = 40; i; i--) {
tmp = b43legacy_read32(dev,
B43legacy_MMIO_GEN_IRQ_REASON);
if (tmp & B43legacy_IRQ_MAC_SUSPENDED)
goto out;
- udelay(1);
+ msleep(1);
}
b43legacyerr(dev->wl, "MAC suspend failed\n");
}
B43legacy_SHM_SH_PRPHYCTL, tmp);
}
-/* Returns TRUE, if the radio is enabled in hardware. */
-static bool b43legacy_is_hw_radio_enabled(struct b43legacy_wldev *dev)
-{
- if (dev->phy.rev >= 3) {
- if (!(b43legacy_read32(dev, B43legacy_MMIO_RADIO_HWENABLED_HI)
- & B43legacy_MMIO_RADIO_HWENABLED_HI_MASK))
- return 1;
- } else {
- if (b43legacy_read16(dev, B43legacy_MMIO_RADIO_HWENABLED_LO)
- & B43legacy_MMIO_RADIO_HWENABLED_LO_MASK)
- return 1;
- }
- return 0;
-}
-
/* This is the opposite of b43legacy_chip_init() */
static void b43legacy_chip_exit(struct b43legacy_wldev *dev)
{
- b43legacy_radio_turn_off(dev);
- if (!modparam_noleds)
- b43legacy_leds_exit(dev);
+ b43legacy_radio_turn_off(dev, 1);
b43legacy_gpio_cleanup(dev);
/* firmware is released later */
}
struct b43legacy_phy *phy = &dev->phy;
int err;
int tmp;
- u32 value32;
+ u32 value32, macctl;
u16 value16;
- b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD,
- B43legacy_SBF_CORE_READY
- | B43legacy_SBF_400);
+ /* Initialize the MAC control */
+ macctl = B43legacy_MACCTL_IHR_ENABLED | B43legacy_MACCTL_SHM_ENABLED;
+ if (dev->phy.gmode)
+ macctl |= B43legacy_MACCTL_GMODE;
+ macctl |= B43legacy_MACCTL_INFRA;
+ b43legacy_write32(dev, B43legacy_MMIO_MACCTL, macctl);
err = b43legacy_request_firmware(dev);
if (err)
err = b43legacy_gpio_init(dev);
if (err)
goto out; /* firmware is released later */
+
err = b43legacy_upload_initvals(dev);
if (err)
- goto err_gpio_cleanup;
+ goto err_gpio_clean;
b43legacy_radio_turn_on(dev);
b43legacy_write16(dev, 0x03E6, 0x0000);
if (dev->dev->id.revision < 5)
b43legacy_write32(dev, 0x010C, 0x01000000);
- value32 = b43legacy_read32(dev, B43legacy_MMIO_STATUS_BITFIELD);
- value32 &= ~B43legacy_SBF_MODE_NOTADHOC;
- b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD, value32);
- value32 = b43legacy_read32(dev, B43legacy_MMIO_STATUS_BITFIELD);
- value32 |= B43legacy_SBF_MODE_NOTADHOC;
- b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD, value32);
+ value32 = b43legacy_read32(dev, B43legacy_MMIO_MACCTL);
+ value32 &= ~B43legacy_MACCTL_INFRA;
+ b43legacy_write32(dev, B43legacy_MMIO_MACCTL, value32);
+ value32 = b43legacy_read32(dev, B43legacy_MMIO_MACCTL);
+ value32 |= B43legacy_MACCTL_INFRA;
+ b43legacy_write32(dev, B43legacy_MMIO_MACCTL, value32);
if (b43legacy_using_pio(dev)) {
b43legacy_write32(dev, 0x0210, 0x00000100);
b43legacy_write16(dev, B43legacy_MMIO_POWERUP_DELAY,
dev->dev->bus->chipco.fast_pwrup_delay);
+ /* PHY TX errors counter. */
+ atomic_set(&phy->txerr_cnt, B43legacy_PHY_TX_BADNESS_LIMIT);
+
B43legacy_WARN_ON(err != 0);
b43legacydbg(dev->wl, "Chip initialized\n");
out:
return err;
err_radio_off:
- b43legacy_radio_turn_off(dev);
-err_gpio_cleanup:
+ b43legacy_radio_turn_off(dev, 1);
+err_gpio_clean:
b43legacy_gpio_cleanup(dev);
goto out;
}
static void b43legacy_periodic_every60sec(struct b43legacy_wldev *dev)
{
b43legacy_phy_lo_mark_all_unused(dev);
- if (dev->dev->bus->sprom.r1.boardflags_lo & B43legacy_BFL_RSSI) {
+ if (dev->dev->bus->sprom.boardflags_lo & B43legacy_BFL_RSSI) {
b43legacy_mac_suspend(dev);
b43legacy_calc_nrssi_slope(dev);
b43legacy_mac_enable(dev);
static void b43legacy_periodic_every15sec(struct b43legacy_wldev *dev)
{
b43legacy_phy_xmitpower(dev); /* FIXME: unless scanning? */
-}
-static void b43legacy_periodic_every1sec(struct b43legacy_wldev *dev)
-{
- bool radio_hw_enable;
-
- /* check if radio hardware enabled status changed */
- radio_hw_enable = b43legacy_is_hw_radio_enabled(dev);
- if (unlikely(dev->radio_hw_enable != radio_hw_enable)) {
- dev->radio_hw_enable = radio_hw_enable;
- b43legacyinfo(dev->wl, "Radio hardware status changed to %s\n",
- (radio_hw_enable) ? "enabled" : "disabled");
- b43legacy_leds_update(dev, 0);
- }
+ atomic_set(&dev->phy.txerr_cnt, B43legacy_PHY_TX_BADNESS_LIMIT);
+ wmb();
}
static void do_periodic_work(struct b43legacy_wldev *dev)
unsigned int state;
state = dev->periodic_state;
- if (state % 120 == 0)
+ if (state % 8 == 0)
b43legacy_periodic_every120sec(dev);
- if (state % 60 == 0)
+ if (state % 4 == 0)
b43legacy_periodic_every60sec(dev);
- if (state % 30 == 0)
+ if (state % 2 == 0)
b43legacy_periodic_every30sec(dev);
- if (state % 15 == 0)
- b43legacy_periodic_every15sec(dev);
- b43legacy_periodic_every1sec(dev);
+ b43legacy_periodic_every15sec(dev);
}
-/* Estimate a "Badness" value based on the periodic work
- * state-machine state. "Badness" is worse (bigger), if the
- * periodic work will take longer.
+/* Periodic work locking policy:
+ * The whole periodic work handler is protected by
+ * wl->mutex. If another lock is needed somewhere in the
+ * pwork callchain, it's aquired in-place, where it's needed.
*/
-static int estimate_periodic_work_badness(unsigned int state)
-{
- int badness = 0;
-
- if (state % 120 == 0) /* every 120 sec */
- badness += 10;
- if (state % 60 == 0) /* every 60 sec */
- badness += 5;
- if (state % 30 == 0) /* every 30 sec */
- badness += 1;
- if (state % 15 == 0) /* every 15 sec */
- badness += 1;
-
-#define BADNESS_LIMIT 4
- return badness;
-}
-
static void b43legacy_periodic_work_handler(struct work_struct *work)
{
- struct b43legacy_wldev *dev =
- container_of(work, struct b43legacy_wldev,
- periodic_work.work);
- unsigned long flags;
+ struct b43legacy_wldev *dev = container_of(work, struct b43legacy_wldev,
+ periodic_work.work);
+ struct b43legacy_wl *wl = dev->wl;
unsigned long delay;
- u32 savedirqs = 0;
- int badness;
- mutex_lock(&dev->wl->mutex);
+ mutex_lock(&wl->mutex);
if (unlikely(b43legacy_status(dev) != B43legacy_STAT_STARTED))
goto out;
if (b43legacy_debug(dev, B43legacy_DBG_PWORK_STOP))
goto out_requeue;
- badness = estimate_periodic_work_badness(dev->periodic_state);
- if (badness > BADNESS_LIMIT) {
- spin_lock_irqsave(&dev->wl->irq_lock, flags);
- /* Suspend TX as we don't want to transmit packets while
- * we recalibrate the hardware. */
- b43legacy_tx_suspend(dev);
- savedirqs = b43legacy_interrupt_disable(dev,
- B43legacy_IRQ_ALL);
- /* Periodic work will take a long time, so we want it to
- * be preemtible and release the spinlock. */
- spin_unlock_irqrestore(&dev->wl->irq_lock, flags);
- b43legacy_synchronize_irq(dev);
-
- do_periodic_work(dev);
-
- spin_lock_irqsave(&dev->wl->irq_lock, flags);
- b43legacy_interrupt_enable(dev, savedirqs);
- b43legacy_tx_resume(dev);
- mmiowb();
- spin_unlock_irqrestore(&dev->wl->irq_lock, flags);
- } else {
- /* Take the global driver lock. This will lock any operation. */
- spin_lock_irqsave(&dev->wl->irq_lock, flags);
+ do_periodic_work(dev);
- do_periodic_work(dev);
-
- mmiowb();
- spin_unlock_irqrestore(&dev->wl->irq_lock, flags);
- }
dev->periodic_state++;
out_requeue:
if (b43legacy_debug(dev, B43legacy_DBG_PWORK_FAST))
delay = msecs_to_jiffies(50);
else
- delay = round_jiffies_relative(HZ);
- queue_delayed_work(dev->wl->hw->workqueue,
- &dev->periodic_work, delay);
+ delay = round_jiffies_relative(HZ * 15);
+ queue_delayed_work(wl->hw->workqueue, &dev->periodic_work, delay);
out:
- mutex_unlock(&dev->wl->mutex);
+ mutex_unlock(&wl->mutex);
}
static void b43legacy_periodic_tasks_setup(struct b43legacy_wldev *dev)
return err;
}
-static int b43legacy_tx(struct ieee80211_hw *hw,
- struct sk_buff *skb,
- struct ieee80211_tx_control *ctl)
+static int b43legacy_op_tx(struct ieee80211_hw *hw,
+ struct sk_buff *skb,
+ struct ieee80211_tx_control *ctl)
{
struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw);
struct b43legacy_wldev *dev = wl->current_dev;
return NETDEV_TX_OK;
}
-static int b43legacy_conf_tx(struct ieee80211_hw *hw,
- int queue,
- const struct ieee80211_tx_queue_params *params)
+static int b43legacy_op_conf_tx(struct ieee80211_hw *hw,
+ int queue,
+ const struct ieee80211_tx_queue_params *params)
{
return 0;
}
-static int b43legacy_get_tx_stats(struct ieee80211_hw *hw,
- struct ieee80211_tx_queue_stats *stats)
+static int b43legacy_op_get_tx_stats(struct ieee80211_hw *hw,
+ struct ieee80211_tx_queue_stats *stats)
{
struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw);
struct b43legacy_wldev *dev = wl->current_dev;
return err;
}
-static int b43legacy_get_stats(struct ieee80211_hw *hw,
- struct ieee80211_low_level_stats *stats)
+static int b43legacy_op_get_stats(struct ieee80211_hw *hw,
+ struct ieee80211_low_level_stats *stats)
{
struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw);
unsigned long flags;
}
}
-static int b43legacy_dev_config(struct ieee80211_hw *hw,
- struct ieee80211_conf *conf)
+static int b43legacy_op_dev_config(struct ieee80211_hw *hw,
+ struct ieee80211_conf *conf)
{
struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw);
struct b43legacy_wldev *dev;
antenna_rx = b43legacy_antenna_from_ieee80211(conf->antenna_sel_rx);
mutex_lock(&wl->mutex);
+ dev = wl->current_dev;
+ phy = &dev->phy;
/* Switch the PHY mode (if necessary). */
- switch (conf->phymode) {
- case MODE_IEEE80211B:
- new_phymode = B43legacy_PHYMODE_B;
- break;
- case MODE_IEEE80211G:
- new_phymode = B43legacy_PHYMODE_G;
+ switch (conf->channel->band) {
+ case IEEE80211_BAND_2GHZ:
+ if (phy->type == B43legacy_PHYTYPE_B)
+ new_phymode = B43legacy_PHYMODE_B;
+ else
+ new_phymode = B43legacy_PHYMODE_G;
break;
default:
B43legacy_WARN_ON(1);
err = b43legacy_switch_phymode(wl, new_phymode);
if (err)
goto out_unlock_mutex;
- dev = wl->current_dev;
- phy = &dev->phy;
/* Disable IRQs while reconfiguring the device.
* This makes it possible to drop the spinlock throughout
/* Switch to the requested channel.
* The firmware takes care of races with the TX handler. */
- if (conf->channel_val != phy->channel)
- b43legacy_radio_selectchannel(dev, conf->channel_val, 0);
+ if (conf->channel->hw_value != phy->channel)
+ b43legacy_radio_selectchannel(dev, conf->channel->hw_value, 0);
/* Enable/Disable ShortSlot timing. */
if ((!!(conf->flags & IEEE80211_CONF_SHORT_SLOT_TIME))
b43legacy_short_slot_timing_disable(dev);
}
+ dev->wl->radiotap_enabled = !!(conf->flags & IEEE80211_CONF_RADIOTAP);
+
/* Adjust the desired TX power level. */
if (conf->power_level != 0) {
if (conf->power_level != phy->power_level) {
" physically off. Press the"
" button to turn it on.\n");
} else {
- b43legacy_radio_turn_off(dev);
+ b43legacy_radio_turn_off(dev, 0);
b43legacyinfo(dev->wl, "Radio turned off by"
" software\n");
}
return err;
}
-static int b43legacy_dev_set_key(struct ieee80211_hw *hw,
- enum set_key_cmd cmd,
- const u8 *local_addr, const u8 *addr,
- struct ieee80211_key_conf *key)
-{
- struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw);
- struct b43legacy_wldev *dev = wl->current_dev;
- unsigned long flags;
- int err = -EOPNOTSUPP;
- DECLARE_MAC_BUF(mac);
-
- if (!dev)
- return -ENODEV;
- mutex_lock(&wl->mutex);
- spin_lock_irqsave(&wl->irq_lock, flags);
-
- if (b43legacy_status(dev) < B43legacy_STAT_INITIALIZED) {
- err = -ENODEV;
- }
- spin_unlock_irqrestore(&wl->irq_lock, flags);
- mutex_unlock(&wl->mutex);
- b43legacydbg(wl, "Using software based encryption for "
- "mac: %s\n", print_mac(mac, addr));
- return err;
-}
-
-static void b43legacy_configure_filter(struct ieee80211_hw *hw,
- unsigned int changed,
- unsigned int *fflags,
- int mc_count,
- struct dev_addr_list *mc_list)
+static void b43legacy_op_configure_filter(struct ieee80211_hw *hw,
+ unsigned int changed,
+ unsigned int *fflags,
+ int mc_count,
+ struct dev_addr_list *mc_list)
{
struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw);
struct b43legacy_wldev *dev = wl->current_dev;
spin_unlock_irqrestore(&wl->irq_lock, flags);
}
-static int b43legacy_config_interface(struct ieee80211_hw *hw,
- int if_id,
- struct ieee80211_if_conf *conf)
+static int b43legacy_op_config_interface(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_if_conf *conf)
{
struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw);
struct b43legacy_wldev *dev = wl->current_dev;
return -ENODEV;
mutex_lock(&wl->mutex);
spin_lock_irqsave(&wl->irq_lock, flags);
- B43legacy_WARN_ON(wl->if_id != if_id);
+ B43legacy_WARN_ON(wl->vif != vif);
if (conf->bssid)
memcpy(wl->bssid, conf->bssid, ETH_ALEN);
else
B43legacy_WARN_ON(conf->type != IEEE80211_IF_TYPE_AP);
b43legacy_set_ssid(dev, conf->ssid, conf->ssid_len);
if (conf->beacon)
- b43legacy_refresh_templates(dev, conf->beacon);
+ b43legacy_update_templates(wl, conf->beacon);
}
b43legacy_write_mac_bssid_templates(dev);
}
if (b43legacy_status(dev) < B43legacy_STAT_STARTED)
return;
+
+ /* Disable and sync interrupts. We must do this before than
+ * setting the status to INITIALIZED, as the interrupt handler
+ * won't care about IRQs then. */
+ spin_lock_irqsave(&wl->irq_lock, flags);
+ dev->irq_savedstate = b43legacy_interrupt_disable(dev,
+ B43legacy_IRQ_ALL);
+ b43legacy_read32(dev, B43legacy_MMIO_GEN_IRQ_MASK); /* flush */
+ spin_unlock_irqrestore(&wl->irq_lock, flags);
+ b43legacy_synchronize_irq(dev);
+
b43legacy_set_status(dev, B43legacy_STAT_INITIALIZED);
mutex_unlock(&wl->mutex);
ieee80211_stop_queues(wl->hw); /* FIXME this could cause a deadlock */
- /* Disable and sync interrupts. */
- spin_lock_irqsave(&wl->irq_lock, flags);
- dev->irq_savedstate = b43legacy_interrupt_disable(dev,
- B43legacy_IRQ_ALL);
- b43legacy_read32(dev, B43legacy_MMIO_GEN_IRQ_MASK); /* flush */
- spin_unlock_irqrestore(&wl->irq_lock, flags);
- b43legacy_synchronize_irq(dev);
-
b43legacy_mac_suspend(dev);
free_irq(dev->dev->irq, dev);
b43legacydbg(wl, "Wireless interface stopped\n");
memset(phy->minlowsig, 0xFF, sizeof(phy->minlowsig));
memset(phy->minlowsigpos, 0, sizeof(phy->minlowsigpos));
- /* Flags */
- phy->locked = 0;
/* Assume the radio is enabled. If it's not enabled, the state will
* immediately get fixed on the first periodic work run. */
dev->radio_hw_enable = 1;
phy->lofcal = 0xFFFF;
phy->initval = 0xFFFF;
- spin_lock_init(&phy->lock);
phy->interfmode = B43legacy_INTERFMODE_NONE;
phy->channel = 0xFF;
}
static void setup_struct_wldev_for_init(struct b43legacy_wldev *dev)
{
/* Flags */
- dev->reg124_set_0x4 = 0;
+ dev->dfq_valid = 0;
/* Stats */
memset(&dev->stats, 0, sizeof(dev->stats));
#endif /* CONFIG_SSB_DRIVER_PCICORE */
}
+/* Write the short and long frame retry limit values. */
+static void b43legacy_set_retry_limits(struct b43legacy_wldev *dev,
+ unsigned int short_retry,
+ unsigned int long_retry)
+{
+ /* The retry limit is a 4-bit counter. Enforce this to avoid overflowing
+ * the chip-internal counter. */
+ short_retry = min(short_retry, (unsigned int)0xF);
+ long_retry = min(long_retry, (unsigned int)0xF);
+
+ b43legacy_shm_write16(dev, B43legacy_SHM_WIRELESS, 0x0006, short_retry);
+ b43legacy_shm_write16(dev, B43legacy_SHM_WIRELESS, 0x0007, long_retry);
+}
+
+static void b43legacy_set_synth_pu_delay(struct b43legacy_wldev *dev,
+ bool idle) {
+ u16 pu_delay = 1050;
+
+ if (b43legacy_is_mode(dev->wl, IEEE80211_IF_TYPE_IBSS) || idle)
+ pu_delay = 500;
+ if ((dev->phy.radio_ver == 0x2050) && (dev->phy.radio_rev == 8))
+ pu_delay = max(pu_delay, (u16)2400);
+
+ b43legacy_shm_write16(dev, B43legacy_SHM_SHARED,
+ B43legacy_SHM_SH_SPUWKUP, pu_delay);
+}
+
+/* Set the TSF CFP pre-TargetBeaconTransmissionTime. */
+static void b43legacy_set_pretbtt(struct b43legacy_wldev *dev)
+{
+ u16 pretbtt;
+
+ /* The time value is in microseconds. */
+ if (b43legacy_is_mode(dev->wl, IEEE80211_IF_TYPE_IBSS))
+ pretbtt = 2;
+ else
+ pretbtt = 250;
+ b43legacy_shm_write16(dev, B43legacy_SHM_SHARED,
+ B43legacy_SHM_SH_PRETBTT, pretbtt);
+ b43legacy_write16(dev, B43legacy_MMIO_TSF_CFP_PRETBTT, pretbtt);
+}
+
/* Shutdown a wireless core */
/* Locking: wl->mutex */
static void b43legacy_wireless_core_exit(struct b43legacy_wldev *dev)
{
struct b43legacy_wl *wl = dev->wl;
struct b43legacy_phy *phy = &dev->phy;
+ u32 macctl;
B43legacy_WARN_ON(b43legacy_status(dev) > B43legacy_STAT_INITIALIZED);
if (b43legacy_status(dev) != B43legacy_STAT_INITIALIZED)
return;
b43legacy_set_status(dev, B43legacy_STAT_UNINIT);
+ /* Stop the microcode PSM. */
+ macctl = b43legacy_read32(dev, B43legacy_MMIO_MACCTL);
+ macctl &= ~B43legacy_MACCTL_PSM_RUN;
+ macctl |= B43legacy_MACCTL_PSM_JMP0;
+ b43legacy_write32(dev, B43legacy_MMIO_MACCTL, macctl);
+
mutex_unlock(&wl->mutex);
/* Must unlock as it would otherwise deadlock. No races here.
* Cancel possibly pending workqueues. */
cancel_work_sync(&dev->restart_work);
mutex_lock(&wl->mutex);
+ b43legacy_leds_exit(dev);
b43legacy_rng_exit(dev->wl);
b43legacy_pio_free(dev);
b43legacy_dma_free(dev);
b43legacy_chip_exit(dev);
- b43legacy_radio_turn_off(dev);
+ b43legacy_radio_turn_off(dev, 1);
b43legacy_switch_analog(dev, 0);
if (phy->dyn_tssi_tbl)
kfree(phy->tssi2dbm);
kfree(phy->lo_control);
phy->lo_control = NULL;
+ if (dev->wl->current_beacon) {
+ dev_kfree_skb_any(dev->wl->current_beacon);
+ dev->wl->current_beacon = NULL;
+ }
+
ssb_device_disable(dev->dev, 0);
ssb_bus_may_powerdown(dev->dev->bus);
}
/* Flags */
phy->calibrated = 0;
- phy->locked = 0;
if (phy->_lo_pairs)
memset(phy->_lo_pairs, 0,
hf |= B43legacy_HF_SYMW;
if (phy->rev == 1)
hf |= B43legacy_HF_GDCW;
- if (sprom->r1.boardflags_lo & B43legacy_BFL_PACTRL)
+ if (sprom->boardflags_lo & B43legacy_BFL_PACTRL)
hf |= B43legacy_HF_OFDMPABOOST;
} else if (phy->type == B43legacy_PHYTYPE_B) {
hf |= B43legacy_HF_SYMW;
}
b43legacy_hf_write(dev, hf);
- /* Short/Long Retry Limit.
- * The retry-limit is a 4-bit counter. Enforce this to avoid overflowing
- * the chip-internal counter.
- */
- tmp = limit_value(modparam_short_retry, 0, 0xF);
- b43legacy_shm_write16(dev, B43legacy_SHM_WIRELESS,
- 0x0006, tmp);
- tmp = limit_value(modparam_long_retry, 0, 0xF);
- b43legacy_shm_write16(dev, B43legacy_SHM_WIRELESS,
- 0x0007, tmp);
+ b43legacy_set_retry_limits(dev,
+ B43legacy_DEFAULT_SHORT_RETRY_LIMIT,
+ B43legacy_DEFAULT_LONG_RETRY_LIMIT);
b43legacy_shm_write16(dev, B43legacy_SHM_SHARED,
0x0044, 3);
if (err)
goto err_chip_exit;
- b43legacy_write16(dev, 0x0612, 0x0050);
- b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, 0x0416, 0x0050);
- b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, 0x0414, 0x01F4);
+ b43legacy_set_synth_pu_delay(dev, 1);
ssb_bus_powerup(bus, 1); /* Enable dynamic PCTL */
- memset(wl->bssid, 0, ETH_ALEN);
- memset(wl->mac_addr, 0, ETH_ALEN);
b43legacy_upload_card_macaddress(dev);
b43legacy_security_init(dev);
b43legacy_rng_init(wl);
b43legacy_set_status(dev, B43legacy_STAT_INITIALIZED);
+ b43legacy_leds_init(dev);
out:
return err;
return err;
}
-static int b43legacy_add_interface(struct ieee80211_hw *hw,
- struct ieee80211_if_init_conf *conf)
+static int b43legacy_op_add_interface(struct ieee80211_hw *hw,
+ struct ieee80211_if_init_conf *conf)
{
struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw);
struct b43legacy_wldev *dev;
dev = wl->current_dev;
wl->operating = 1;
- wl->if_id = conf->if_id;
+ wl->vif = conf->vif;
wl->if_type = conf->type;
memcpy(wl->mac_addr, conf->mac_addr, ETH_ALEN);
spin_lock_irqsave(&wl->irq_lock, flags);
b43legacy_adjust_opmode(dev);
+ b43legacy_set_pretbtt(dev);
+ b43legacy_set_synth_pu_delay(dev, 0);
b43legacy_upload_card_macaddress(dev);
spin_unlock_irqrestore(&wl->irq_lock, flags);
return err;
}
-static void b43legacy_remove_interface(struct ieee80211_hw *hw,
- struct ieee80211_if_init_conf *conf)
+static void b43legacy_op_remove_interface(struct ieee80211_hw *hw,
+ struct ieee80211_if_init_conf *conf)
{
struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw);
struct b43legacy_wldev *dev = wl->current_dev;
mutex_lock(&wl->mutex);
B43legacy_WARN_ON(!wl->operating);
- B43legacy_WARN_ON(wl->if_id != conf->if_id);
+ B43legacy_WARN_ON(wl->vif != conf->vif);
+ wl->vif = NULL;
wl->operating = 0;
mutex_unlock(&wl->mutex);
}
-static int b43legacy_start(struct ieee80211_hw *hw)
+static int b43legacy_op_start(struct ieee80211_hw *hw)
{
struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw);
struct b43legacy_wldev *dev = wl->current_dev;
int did_init = 0;
int err = 0;
+ bool do_rfkill_exit = 0;
+
+ /* First register RFkill.
+ * LEDs that are registered later depend on it. */
+ b43legacy_rfkill_init(dev);
+
+ /* Kill all old instance specific information to make sure
+ * the card won't use it in the short timeframe between start
+ * and mac80211 reconfiguring it. */
+ memset(wl->bssid, 0, ETH_ALEN);
+ memset(wl->mac_addr, 0, ETH_ALEN);
+ wl->filter_flags = 0;
mutex_lock(&wl->mutex);
if (b43legacy_status(dev) < B43legacy_STAT_INITIALIZED) {
err = b43legacy_wireless_core_init(dev);
- if (err)
+ if (err) {
+ do_rfkill_exit = 1;
goto out_mutex_unlock;
+ }
did_init = 1;
}
if (err) {
if (did_init)
b43legacy_wireless_core_exit(dev);
+ do_rfkill_exit = 1;
goto out_mutex_unlock;
}
}
out_mutex_unlock:
mutex_unlock(&wl->mutex);
+ if (do_rfkill_exit)
+ b43legacy_rfkill_exit(dev);
+
return err;
}
-void b43legacy_stop(struct ieee80211_hw *hw)
+static void b43legacy_op_stop(struct ieee80211_hw *hw)
{
struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw);
struct b43legacy_wldev *dev = wl->current_dev;
+ b43legacy_rfkill_exit(dev);
+
mutex_lock(&wl->mutex);
if (b43legacy_status(dev) >= B43legacy_STAT_STARTED)
b43legacy_wireless_core_stop(dev);
mutex_unlock(&wl->mutex);
}
+static int b43legacy_op_set_retry_limit(struct ieee80211_hw *hw,
+ u32 short_retry_limit,
+ u32 long_retry_limit)
+{
+ struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw);
+ struct b43legacy_wldev *dev;
+ int err = 0;
+
+ mutex_lock(&wl->mutex);
+ dev = wl->current_dev;
+ if (unlikely(!dev ||
+ (b43legacy_status(dev) < B43legacy_STAT_INITIALIZED))) {
+ err = -ENODEV;
+ goto out_unlock;
+ }
+ b43legacy_set_retry_limits(dev, short_retry_limit, long_retry_limit);
+out_unlock:
+ mutex_unlock(&wl->mutex);
+
+ return err;
+}
+
+static int b43legacy_op_beacon_set_tim(struct ieee80211_hw *hw,
+ int aid, int set)
+{
+ struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw);
+ struct sk_buff *beacon;
+ unsigned long flags;
+
+ /* We could modify the existing beacon and set the aid bit in the TIM
+ * field, but that would probably require resizing and moving of data
+ * within the beacon template. Simply request a new beacon and let
+ * mac80211 do the hard work. */
+ beacon = ieee80211_beacon_get(hw, wl->vif, NULL);
+ if (unlikely(!beacon))
+ return -ENOMEM;
+ spin_lock_irqsave(&wl->irq_lock, flags);
+ b43legacy_update_templates(wl, beacon);
+ spin_unlock_irqrestore(&wl->irq_lock, flags);
+
+ return 0;
+}
+
+static int b43legacy_op_ibss_beacon_update(struct ieee80211_hw *hw,
+ struct sk_buff *beacon,
+ struct ieee80211_tx_control *ctl)
+{
+ struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw);
+ unsigned long flags;
+
+ spin_lock_irqsave(&wl->irq_lock, flags);
+ b43legacy_update_templates(wl, beacon);
+ spin_unlock_irqrestore(&wl->irq_lock, flags);
+
+ return 0;
+}
static const struct ieee80211_ops b43legacy_hw_ops = {
- .tx = b43legacy_tx,
- .conf_tx = b43legacy_conf_tx,
- .add_interface = b43legacy_add_interface,
- .remove_interface = b43legacy_remove_interface,
- .config = b43legacy_dev_config,
- .config_interface = b43legacy_config_interface,
- .set_key = b43legacy_dev_set_key,
- .configure_filter = b43legacy_configure_filter,
- .get_stats = b43legacy_get_stats,
- .get_tx_stats = b43legacy_get_tx_stats,
- .start = b43legacy_start,
- .stop = b43legacy_stop,
+ .tx = b43legacy_op_tx,
+ .conf_tx = b43legacy_op_conf_tx,
+ .add_interface = b43legacy_op_add_interface,
+ .remove_interface = b43legacy_op_remove_interface,
+ .config = b43legacy_op_dev_config,
+ .config_interface = b43legacy_op_config_interface,
+ .configure_filter = b43legacy_op_configure_filter,
+ .get_stats = b43legacy_op_get_stats,
+ .get_tx_stats = b43legacy_op_get_tx_stats,
+ .start = b43legacy_op_start,
+ .stop = b43legacy_op_stop,
+ .set_retry_limit = b43legacy_op_set_retry_limit,
+ .set_tim = b43legacy_op_beacon_set_tim,
+ .beacon_update = b43legacy_op_ibss_beacon_update,
};
/* Hard-reset the chip. Do not call this directly.
int have_gphy)
{
struct ieee80211_hw *hw = dev->wl->hw;
- struct ieee80211_hw_mode *mode;
struct b43legacy_phy *phy = &dev->phy;
- int cnt = 0;
- int err;
phy->possible_phymodes = 0;
- for (; 1; cnt++) {
- if (have_bphy) {
- B43legacy_WARN_ON(cnt >= B43legacy_MAX_PHYHWMODES);
- mode = &phy->hwmodes[cnt];
-
- mode->mode = MODE_IEEE80211B;
- mode->num_channels = b43legacy_bg_chantable_size;
- mode->channels = b43legacy_bg_chantable;
- mode->num_rates = b43legacy_b_ratetable_size;
- mode->rates = b43legacy_b_ratetable;
- err = ieee80211_register_hwmode(hw, mode);
- if (err)
- return err;
-
- phy->possible_phymodes |= B43legacy_PHYMODE_B;
- have_bphy = 0;
- continue;
- }
- if (have_gphy) {
- B43legacy_WARN_ON(cnt >= B43legacy_MAX_PHYHWMODES);
- mode = &phy->hwmodes[cnt];
-
- mode->mode = MODE_IEEE80211G;
- mode->num_channels = b43legacy_bg_chantable_size;
- mode->channels = b43legacy_bg_chantable;
- mode->num_rates = b43legacy_g_ratetable_size;
- mode->rates = b43legacy_g_ratetable;
- err = ieee80211_register_hwmode(hw, mode);
- if (err)
- return err;
-
- phy->possible_phymodes |= B43legacy_PHYMODE_G;
- have_gphy = 0;
- continue;
- }
- break;
+ if (have_bphy) {
+ hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
+ &b43legacy_band_2GHz_BPHY;
+ phy->possible_phymodes |= B43legacy_PHYMODE_B;
+ }
+
+ if (have_gphy) {
+ hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
+ &b43legacy_band_2GHz_GPHY;
+ phy->possible_phymodes |= B43legacy_PHYMODE_G;
}
return 0;
else
have_bphy = 1;
- /* Initialize LEDs structs. */
- err = b43legacy_leds_init(dev);
- if (err)
- goto err_powerdown;
-
dev->phy.gmode = (have_gphy || have_bphy);
tmp = dev->phy.gmode ? B43legacy_TMSLOW_GMODE : 0;
b43legacy_wireless_core_reset(dev, tmp);
err = b43legacy_phy_versioning(dev);
if (err)
- goto err_leds_exit;
+ goto err_powerdown;
/* Check if this device supports multiband. */
if (!pdev ||
(pdev->device != 0x4312 &&
err = b43legacy_validate_chipaccess(dev);
if (err)
- goto err_leds_exit;
+ goto err_powerdown;
err = b43legacy_setup_modes(dev, have_bphy, have_gphy);
if (err)
- goto err_leds_exit;
+ goto err_powerdown;
/* Now set some default "current_dev" */
if (!wl->current_dev)
wl->current_dev = dev;
INIT_WORK(&dev->restart_work, b43legacy_chip_reset);
- b43legacy_radio_turn_off(dev);
+ b43legacy_radio_turn_off(dev, 1);
b43legacy_switch_analog(dev, 0);
ssb_device_disable(dev->dev, 0);
ssb_bus_may_powerdown(bus);
out:
return err;
-err_leds_exit:
- b43legacy_leds_exit(dev);
err_powerdown:
ssb_bus_may_powerdown(bus);
return err;
if (bus->boardinfo.vendor == PCI_VENDOR_ID_APPLE &&
bus->boardinfo.type == 0x4E &&
bus->boardinfo.rev > 0x40)
- bus->sprom.r1.boardflags_lo |= B43legacy_BFL_PACTRL;
-
- /* Convert Antennagain values to Q5.2 */
- if (bus->sprom.r1.antenna_gain_bg == 0xFF)
- bus->sprom.r1.antenna_gain_bg = 2; /* if unset, use 2 dBm */
- bus->sprom.r1.antenna_gain_bg <<= 2;
+ bus->sprom.boardflags_lo |= B43legacy_BFL_PACTRL;
}
static void b43legacy_wireless_exit(struct ssb_device *dev,
hw->max_noise = -110;
hw->queues = 1; /* FIXME: hardware has more queues */
SET_IEEE80211_DEV(hw, dev->dev);
- if (is_valid_ether_addr(sprom->r1.et1mac))
- SET_IEEE80211_PERM_ADDR(hw, sprom->r1.et1mac);
+ if (is_valid_ether_addr(sprom->et1mac))
+ SET_IEEE80211_PERM_ADDR(hw, sprom->et1mac);
else
- SET_IEEE80211_PERM_ADDR(hw, sprom->r1.il0mac);
+ SET_IEEE80211_PERM_ADDR(hw, sprom->il0mac);
/* Get and initialize struct b43legacy_wl */
wl = hw_to_b43legacy_wl(hw);
.resume = b43legacy_resume,
};
+static void b43legacy_print_driverinfo(void)
+{
+ const char *feat_pci = "", *feat_leds = "", *feat_rfkill = "",
+ *feat_pio = "", *feat_dma = "";
+
+#ifdef CONFIG_B43LEGACY_PCI_AUTOSELECT
+ feat_pci = "P";
+#endif
+#ifdef CONFIG_B43LEGACY_LEDS
+ feat_leds = "L";
+#endif
+#ifdef CONFIG_B43LEGACY_RFKILL
+ feat_rfkill = "R";
+#endif
+#ifdef CONFIG_B43LEGACY_PIO
+ feat_pio = "I";
+#endif
+#ifdef CONFIG_B43LEGACY_DMA
+ feat_dma = "D";
+#endif
+ printk(KERN_INFO "Broadcom 43xx-legacy driver loaded "
+ "[ Features: %s%s%s%s%s, Firmware-ID: "
+ B43legacy_SUPPORTED_FIRMWARE_ID " ]\n",
+ feat_pci, feat_leds, feat_rfkill, feat_pio, feat_dma);
+}
+
static int __init b43legacy_init(void)
{
int err;
if (err)
goto err_dfs_exit;
+ b43legacy_print_driverinfo();
+
return err;
err_dfs_exit:
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff