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path: root/drivers/net/wireless/b43/main.c
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Diffstat (limited to 'drivers/net/wireless/b43/main.c')
-rw-r--r--drivers/net/wireless/b43/main.c458
1 files changed, 297 insertions, 161 deletions
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index c788bad1066..b72ef3fd315 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -4,7 +4,7 @@
Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>
Copyright (c) 2005 Stefano Brivio <stefano.brivio@polimi.it>
- Copyright (c) 2005, 2006 Michael Buesch <mb@bu3sch.de>
+ Copyright (c) 2005-2009 Michael Buesch <mb@bu3sch.de>
Copyright (c) 2005 Danny van Dyk <kugelfang@gentoo.org>
Copyright (c) 2005 Andreas Jaggi <andreas.jaggi@waterwave.ch>
@@ -88,6 +88,10 @@ static int modparam_btcoex = 1;
module_param_named(btcoex, modparam_btcoex, int, 0444);
MODULE_PARM_DESC(btcoex, "Enable Bluetooth coexistance (default on)");
+int b43_modparam_verbose = B43_VERBOSITY_DEFAULT;
+module_param_named(verbose, b43_modparam_verbose, int, 0644);
+MODULE_PARM_DESC(verbose, "Log message verbosity: 0=error, 1=warn, 2=info(default), 3=debug");
+
static const struct ssb_device_id b43_ssb_tbl[] = {
SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 5),
@@ -97,6 +101,8 @@ static const struct ssb_device_id b43_ssb_tbl[] = {
SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 10),
SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 11),
SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 13),
+ SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 15),
+ SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 16),
SSB_DEVTABLE_END
};
@@ -298,6 +304,8 @@ void b43info(struct b43_wl *wl, const char *fmt, ...)
{
va_list args;
+ if (b43_modparam_verbose < B43_VERBOSITY_INFO)
+ return;
if (!b43_ratelimit(wl))
return;
va_start(args, fmt);
@@ -311,6 +319,8 @@ void b43err(struct b43_wl *wl, const char *fmt, ...)
{
va_list args;
+ if (b43_modparam_verbose < B43_VERBOSITY_ERROR)
+ return;
if (!b43_ratelimit(wl))
return;
va_start(args, fmt);
@@ -324,6 +334,8 @@ void b43warn(struct b43_wl *wl, const char *fmt, ...)
{
va_list args;
+ if (b43_modparam_verbose < B43_VERBOSITY_WARN)
+ return;
if (!b43_ratelimit(wl))
return;
va_start(args, fmt);
@@ -333,18 +345,18 @@ void b43warn(struct b43_wl *wl, const char *fmt, ...)
va_end(args);
}
-#if B43_DEBUG
void b43dbg(struct b43_wl *wl, const char *fmt, ...)
{
va_list args;
+ if (b43_modparam_verbose < B43_VERBOSITY_DEBUG)
+ return;
va_start(args, fmt);
printk(KERN_DEBUG "b43-%s debug: ",
(wl && wl->hw) ? wiphy_name(wl->hw->wiphy) : "wlan");
vprintk(fmt, args);
va_end(args);
}
-#endif /* DEBUG */
static void b43_ram_write(struct b43_wldev *dev, u16 offset, u32 val)
{
@@ -500,7 +512,7 @@ void b43_shm_write16(struct b43_wldev *dev, u16 routing, u16 offset, u16 value)
}
/* Read HostFlags */
-u64 b43_hf_read(struct b43_wldev * dev)
+u64 b43_hf_read(struct b43_wldev *dev)
{
u64 ret;
@@ -526,52 +538,20 @@ void b43_hf_write(struct b43_wldev *dev, u64 value)
b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTFHI, hi);
}
-void b43_tsf_read(struct b43_wldev *dev, u64 * tsf)
+void b43_tsf_read(struct b43_wldev *dev, u64 *tsf)
{
- /* We need to be careful. As we read the TSF from multiple
- * registers, we should take care of register overflows.
- * In theory, the whole tsf read process should be atomic.
- * We try to be atomic here, by restaring the read process,
- * if any of the high registers changed (overflew).
- */
- if (dev->dev->id.revision >= 3) {
- u32 low, high, high2;
+ u32 low, high;
- do {
- high = b43_read32(dev, B43_MMIO_REV3PLUS_TSF_HIGH);
- low = b43_read32(dev, B43_MMIO_REV3PLUS_TSF_LOW);
- high2 = b43_read32(dev, B43_MMIO_REV3PLUS_TSF_HIGH);
- } while (unlikely(high != high2));
-
- *tsf = high;
- *tsf <<= 32;
- *tsf |= low;
- } else {
- u64 tmp;
- u16 v0, v1, v2, v3;
- u16 test1, test2, test3;
+ B43_WARN_ON(dev->dev->id.revision < 3);
- do {
- v3 = b43_read16(dev, B43_MMIO_TSF_3);
- v2 = b43_read16(dev, B43_MMIO_TSF_2);
- v1 = b43_read16(dev, B43_MMIO_TSF_1);
- v0 = b43_read16(dev, B43_MMIO_TSF_0);
+ /* The hardware guarantees us an atomic read, if we
+ * read the low register first. */
+ low = b43_read32(dev, B43_MMIO_REV3PLUS_TSF_LOW);
+ high = b43_read32(dev, B43_MMIO_REV3PLUS_TSF_HIGH);
- test3 = b43_read16(dev, B43_MMIO_TSF_3);
- test2 = b43_read16(dev, B43_MMIO_TSF_2);
- test1 = b43_read16(dev, B43_MMIO_TSF_1);
- } while (v3 != test3 || v2 != test2 || v1 != test1);
-
- *tsf = v3;
- *tsf <<= 48;
- tmp = v2;
- tmp <<= 32;
- *tsf |= tmp;
- tmp = v1;
- tmp <<= 16;
- *tsf |= tmp;
- *tsf |= v0;
- }
+ *tsf = high;
+ *tsf <<= 32;
+ *tsf |= low;
}
static void b43_time_lock(struct b43_wldev *dev)
@@ -598,35 +578,18 @@ static void b43_time_unlock(struct b43_wldev *dev)
static void b43_tsf_write_locked(struct b43_wldev *dev, u64 tsf)
{
- /* Be careful with the in-progress timer.
- * First zero out the low register, so we have a full
- * register-overflow duration to complete the operation.
- */
- if (dev->dev->id.revision >= 3) {
- u32 lo = (tsf & 0x00000000FFFFFFFFULL);
- u32 hi = (tsf & 0xFFFFFFFF00000000ULL) >> 32;
+ u32 low, high;
- b43_write32(dev, B43_MMIO_REV3PLUS_TSF_LOW, 0);
- mmiowb();
- b43_write32(dev, B43_MMIO_REV3PLUS_TSF_HIGH, hi);
- mmiowb();
- b43_write32(dev, B43_MMIO_REV3PLUS_TSF_LOW, lo);
- } else {
- u16 v0 = (tsf & 0x000000000000FFFFULL);
- u16 v1 = (tsf & 0x00000000FFFF0000ULL) >> 16;
- u16 v2 = (tsf & 0x0000FFFF00000000ULL) >> 32;
- u16 v3 = (tsf & 0xFFFF000000000000ULL) >> 48;
+ B43_WARN_ON(dev->dev->id.revision < 3);
- b43_write16(dev, B43_MMIO_TSF_0, 0);
- mmiowb();
- b43_write16(dev, B43_MMIO_TSF_3, v3);
- mmiowb();
- b43_write16(dev, B43_MMIO_TSF_2, v2);
- mmiowb();
- b43_write16(dev, B43_MMIO_TSF_1, v1);
- mmiowb();
- b43_write16(dev, B43_MMIO_TSF_0, v0);
- }
+ low = tsf;
+ high = (tsf >> 32);
+ /* The hardware guarantees us an atomic write, if we
+ * write the low register first. */
+ b43_write32(dev, B43_MMIO_REV3PLUS_TSF_LOW, low);
+ mmiowb();
+ b43_write32(dev, B43_MMIO_REV3PLUS_TSF_HIGH, high);
+ mmiowb();
}
void b43_tsf_write(struct b43_wldev *dev, u64 tsf)
@@ -637,7 +600,7 @@ void b43_tsf_write(struct b43_wldev *dev, u64 tsf)
}
static
-void b43_macfilter_set(struct b43_wldev *dev, u16 offset, const u8 * mac)
+void b43_macfilter_set(struct b43_wldev *dev, u16 offset, const u8 *mac)
{
static const u8 zero_addr[ETH_ALEN] = { 0 };
u16 data;
@@ -827,7 +790,7 @@ void b43_dummy_transmission(struct b43_wldev *dev)
}
static void key_write(struct b43_wldev *dev,
- u8 index, u8 algorithm, const u8 * key)
+ u8 index, u8 algorithm, const u8 *key)
{
unsigned int i;
u32 offset;
@@ -849,7 +812,7 @@ static void key_write(struct b43_wldev *dev,
}
}
-static void keymac_write(struct b43_wldev *dev, u8 index, const u8 * addr)
+static void keymac_write(struct b43_wldev *dev, u8 index, const u8 *addr)
{
u32 addrtmp[2] = { 0, 0, };
u8 per_sta_keys_start = 8;
@@ -899,7 +862,7 @@ static void keymac_write(struct b43_wldev *dev, u8 index, const u8 * addr)
static void do_key_write(struct b43_wldev *dev,
u8 index, u8 algorithm,
- const u8 * key, size_t key_len, const u8 * mac_addr)
+ const u8 *key, size_t key_len, const u8 *mac_addr)
{
u8 buf[B43_SEC_KEYSIZE] = { 0, };
u8 per_sta_keys_start = 8;
@@ -923,8 +886,8 @@ static void do_key_write(struct b43_wldev *dev,
static int b43_key_write(struct b43_wldev *dev,
int index, u8 algorithm,
- const u8 * key, size_t key_len,
- const u8 * mac_addr,
+ const u8 *key, size_t key_len,
+ const u8 *mac_addr,
struct ieee80211_key_conf *keyconf)
{
int i;
@@ -937,8 +900,7 @@ static int b43_key_write(struct b43_wldev *dev,
B43_WARN_ON(dev->key[i].keyconf == keyconf);
}
if (index < 0) {
- /* Either pairwise key or address is 00:00:00:00:00:00
- * for transmit-only keys. Search the index. */
+ /* Pairwise key. Get an empty slot for the key. */
if (b43_new_kidx_api(dev))
sta_keys_start = 4;
else
@@ -951,7 +913,7 @@ static int b43_key_write(struct b43_wldev *dev,
}
}
if (index < 0) {
- b43err(dev->wl, "Out of hardware key memory\n");
+ b43warn(dev->wl, "Out of hardware key memory\n");
return -ENOSPC;
}
} else
@@ -1324,7 +1286,7 @@ static void handle_irq_pmq(struct b43_wldev *dev)
}
static void b43_write_template_common(struct b43_wldev *dev,
- const u8 * data, u16 size,
+ const u8 *data, u16 size,
u16 ram_offset,
u16 shm_size_offset, u8 rate)
{
@@ -1514,9 +1476,9 @@ static void b43_write_probe_resp_plcp(struct b43_wldev *dev,
* 2) Patching duration field
* 3) Stripping TIM
*/
-static const u8 * b43_generate_probe_resp(struct b43_wldev *dev,
- u16 *dest_size,
- struct ieee80211_rate *rate)
+static const u8 *b43_generate_probe_resp(struct b43_wldev *dev,
+ u16 *dest_size,
+ struct ieee80211_rate *rate)
{
const u8 *src_data;
u8 *dest_data;
@@ -1982,7 +1944,7 @@ static irqreturn_t b43_interrupt_handler(int irq, void *dev_id)
return ret;
}
-static void do_release_fw(struct b43_firmware_file *fw)
+void b43_do_release_fw(struct b43_firmware_file *fw)
{
release_firmware(fw->data);
fw->data = NULL;
@@ -1991,31 +1953,30 @@ static void do_release_fw(struct b43_firmware_file *fw)
static void b43_release_firmware(struct b43_wldev *dev)
{
- do_release_fw(&dev->fw.ucode);
- do_release_fw(&dev->fw.pcm);
- do_release_fw(&dev->fw.initvals);
- do_release_fw(&dev->fw.initvals_band);
+ b43_do_release_fw(&dev->fw.ucode);
+ b43_do_release_fw(&dev->fw.pcm);
+ b43_do_release_fw(&dev->fw.initvals);
+ b43_do_release_fw(&dev->fw.initvals_band);
}
static void b43_print_fw_helptext(struct b43_wl *wl, bool error)
{
- const char *text;
+ const char text[] =
+ "You must go to " \
+ "http://wireless.kernel.org/en/users/Drivers/b43#devicefirmware " \
+ "and download the correct firmware for this driver version. " \
+ "Please carefully read all instructions on this website.\n";
- text = "You must go to "
- "http://linuxwireless.org/en/users/Drivers/b43#devicefirmware "
- "and download the latest firmware (version 4).\n";
if (error)
b43err(wl, text);
else
b43warn(wl, text);
}
-static int do_request_fw(struct b43_wldev *dev,
- const char *name,
- struct b43_firmware_file *fw,
- bool silent)
+int b43_do_request_fw(struct b43_request_fw_context *ctx,
+ const char *name,
+ struct b43_firmware_file *fw)
{
- char path[sizeof(modparam_fwpostfix) + 32];
const struct firmware *blob;
struct b43_fw_header *hdr;
u32 size;
@@ -2023,29 +1984,49 @@ static int do_request_fw(struct b43_wldev *dev,
if (!name) {
/* Don't fetch anything. Free possibly cached firmware. */
- do_release_fw(fw);
+ /* FIXME: We should probably keep it anyway, to save some headache
+ * on suspend/resume with multiband devices. */
+ b43_do_release_fw(fw);
return 0;
}
if (fw->filename) {
- if (strcmp(fw->filename, name) == 0)
+ if ((fw->type == ctx->req_type) &&
+ (strcmp(fw->filename, name) == 0))
return 0; /* Already have this fw. */
/* Free the cached firmware first. */
- do_release_fw(fw);
+ /* FIXME: We should probably do this later after we successfully
+ * got the new fw. This could reduce headache with multiband devices.
+ * We could also redesign this to cache the firmware for all possible
+ * bands all the time. */
+ b43_do_release_fw(fw);
+ }
+
+ switch (ctx->req_type) {
+ case B43_FWTYPE_PROPRIETARY:
+ snprintf(ctx->fwname, sizeof(ctx->fwname),
+ "b43%s/%s.fw",
+ modparam_fwpostfix, name);
+ break;
+ case B43_FWTYPE_OPENSOURCE:
+ snprintf(ctx->fwname, sizeof(ctx->fwname),
+ "b43-open%s/%s.fw",
+ modparam_fwpostfix, name);
+ break;
+ default:
+ B43_WARN_ON(1);
+ return -ENOSYS;
}
-
- snprintf(path, ARRAY_SIZE(path),
- "b43%s/%s.fw",
- modparam_fwpostfix, name);
- err = request_firmware(&blob, path, dev->dev->dev);
+ err = request_firmware(&blob, ctx->fwname, ctx->dev->dev->dev);
if (err == -ENOENT) {
- if (!silent) {
- b43err(dev->wl, "Firmware file \"%s\" not found\n",
- path);
- }
+ snprintf(ctx->errors[ctx->req_type],
+ sizeof(ctx->errors[ctx->req_type]),
+ "Firmware file \"%s\" not found\n", ctx->fwname);
return err;
} else if (err) {
- b43err(dev->wl, "Firmware file \"%s\" request failed (err=%d)\n",
- path, err);
+ snprintf(ctx->errors[ctx->req_type],
+ sizeof(ctx->errors[ctx->req_type]),
+ "Firmware file \"%s\" request failed (err=%d)\n",
+ ctx->fwname, err);
return err;
}
if (blob->size < sizeof(struct b43_fw_header))
@@ -2068,20 +2049,24 @@ static int do_request_fw(struct b43_wldev *dev,
fw->data = blob;
fw->filename = name;
+ fw->type = ctx->req_type;
return 0;
err_format:
- b43err(dev->wl, "Firmware file \"%s\" format error.\n", path);
+ snprintf(ctx->errors[ctx->req_type],
+ sizeof(ctx->errors[ctx->req_type]),
+ "Firmware file \"%s\" format error.\n", ctx->fwname);
release_firmware(blob);
return -EPROTO;
}
-static int b43_request_firmware(struct b43_wldev *dev)
+static int b43_try_request_fw(struct b43_request_fw_context *ctx)
{
- struct b43_firmware *fw = &dev->fw;
- const u8 rev = dev->dev->id.revision;
+ struct b43_wldev *dev = ctx->dev;
+ struct b43_firmware *fw = &ctx->dev->fw;
+ const u8 rev = ctx->dev->dev->id.revision;
const char *filename;
u32 tmshigh;
int err;
@@ -2096,7 +2081,7 @@ static int b43_request_firmware(struct b43_wldev *dev)
filename = "ucode13";
else
goto err_no_ucode;
- err = do_request_fw(dev, filename, &fw->ucode, 0);
+ err = b43_do_request_fw(ctx, filename, &fw->ucode);
if (err)
goto err_load;
@@ -2108,7 +2093,7 @@ static int b43_request_firmware(struct b43_wldev *dev)
else
goto err_no_pcm;
fw->pcm_request_failed = 0;
- err = do_request_fw(dev, filename, &fw->pcm, 1);
+ err = b43_do_request_fw(ctx, filename, &fw->pcm);
if (err == -ENOENT) {
/* We did not find a PCM file? Not fatal, but
* core rev <= 10 must do without hwcrypto then. */
@@ -2144,7 +2129,7 @@ static int b43_request_firmware(struct b43_wldev *dev)
default:
goto err_no_initvals;
}
- err = do_request_fw(dev, filename, &fw->initvals, 0);
+ err = b43_do_request_fw(ctx, filename, &fw->initvals);
if (err)
goto err_load;
@@ -2178,30 +2163,34 @@ static int b43_request_firmware(struct b43_wldev *dev)
default:
goto err_no_initvals;
}
- err = do_request_fw(dev, filename, &fw->initvals_band, 0);
+ err = b43_do_request_fw(ctx, filename, &fw->initvals_band);
if (err)
goto err_load;
return 0;
-err_load:
- b43_print_fw_helptext(dev->wl, 1);
- goto error;
-
err_no_ucode:
- err = -ENODEV;
- b43err(dev->wl, "No microcode available for core rev %u\n", rev);
+ err = ctx->fatal_failure = -EOPNOTSUPP;
+ b43err(dev->wl, "The driver does not know which firmware (ucode) "
+ "is required for your device (wl-core rev %u)\n", rev);
goto error;
err_no_pcm:
- err = -ENODEV;
- b43err(dev->wl, "No PCM available for core rev %u\n", rev);
+ err = ctx->fatal_failure = -EOPNOTSUPP;
+ b43err(dev->wl, "The driver does not know which firmware (PCM) "
+ "is required for your device (wl-core rev %u)\n", rev);
goto error;
err_no_initvals:
- err = -ENODEV;
- b43err(dev->wl, "No Initial Values firmware file for PHY %u, "
- "core rev %u\n", dev->phy.type, rev);
+ err = ctx->fatal_failure = -EOPNOTSUPP;
+ b43err(dev->wl, "The driver does not know which firmware (initvals) "
+ "is required for your device (wl-core rev %u)\n", rev);
+ goto error;
+
+err_load:
+ /* We failed to load this firmware image. The error message
+ * already is in ctx->errors. Return and let our caller decide
+ * what to do. */
goto error;
error:
@@ -2209,6 +2198,48 @@ error:
return err;
}
+static int b43_request_firmware(struct b43_wldev *dev)
+{
+ struct b43_request_fw_context *ctx;
+ unsigned int i;
+ int err;
+ const char *errmsg;
+
+ ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
+ if (!ctx)
+ return -ENOMEM;
+ ctx->dev = dev;
+
+ ctx->req_type = B43_FWTYPE_PROPRIETARY;
+ err = b43_try_request_fw(ctx);
+ if (!err)
+ goto out; /* Successfully loaded it. */
+ err = ctx->fatal_failure;
+ if (err)
+ goto out;
+
+ ctx->req_type = B43_FWTYPE_OPENSOURCE;
+ err = b43_try_request_fw(ctx);
+ if (!err)
+ goto out; /* Successfully loaded it. */
+ err = ctx->fatal_failure;
+ if (err)
+ goto out;
+
+ /* Could not find a usable firmware. Print the errors. */
+ for (i = 0; i < B43_NR_FWTYPES; i++) {
+ errmsg = ctx->errors[i];
+ if (strlen(errmsg))
+ b43err(dev->wl, errmsg);
+ }
+ b43_print_fw_helptext(dev->wl, 1);
+ err = -ENOENT;
+
+out:
+ kfree(ctx);
+ return err;
+}
+
static int b43_upload_microcode(struct b43_wldev *dev)
{
const size_t hdr_len = sizeof(struct b43_fw_header);
@@ -2319,8 +2350,11 @@ static int b43_upload_microcode(struct b43_wldev *dev)
}
if (b43_is_old_txhdr_format(dev)) {
+ /* We're over the deadline, but we keep support for old fw
+ * until it turns out to be in major conflict with something new. */
b43warn(dev->wl, "You are using an old firmware image. "
- "Support for old firmware will be removed in July 2008.\n");
+ "Support for old firmware will be removed soon "
+ "(official deadline was July 2008).\n");
b43_print_fw_helptext(dev->wl, 0);
}
@@ -2946,7 +2980,7 @@ static void b43_security_init(struct b43_wldev *dev)
b43_clear_keys(dev);
}
-static int b43_rng_read(struct hwrng *rng, u32 * data)
+static int b43_rng_read(struct hwrng *rng, u32 *data)
{
struct b43_wl *wl = (struct b43_wl *)rng->priv;
unsigned long flags;
@@ -3221,6 +3255,43 @@ static int b43_op_get_stats(struct ieee80211_hw *hw,
return 0;
}
+static u64 b43_op_get_tsf(struct ieee80211_hw *hw)
+{
+ struct b43_wl *wl = hw_to_b43_wl(hw);
+ struct b43_wldev *dev;
+ u64 tsf;
+
+ mutex_lock(&wl->mutex);
+ spin_lock_irq(&wl->irq_lock);
+ dev = wl->current_dev;
+
+ if (dev && (b43_status(dev) >= B43_STAT_INITIALIZED))
+ b43_tsf_read(dev, &tsf);
+ else
+ tsf = 0;
+
+ spin_unlock_irq(&wl->irq_lock);
+ mutex_unlock(&wl->mutex);
+
+ return tsf;
+}
+
+static void b43_op_set_tsf(struct ieee80211_hw *hw, u64 tsf)
+{
+ struct b43_wl *wl = hw_to_b43_wl(hw);
+ struct b43_wldev *dev;
+
+ mutex_lock(&wl->mutex);
+ spin_lock_irq(&wl->irq_lock);
+ dev = wl->current_dev;
+
+ if (dev && (b43_status(dev) >= B43_STAT_INITIALIZED))
+ b43_tsf_write(dev, tsf);
+
+ spin_unlock_irq(&wl->irq_lock);
+ mutex_unlock(&wl->mutex);
+}
+
static void b43_put_phy_into_reset(struct b43_wldev *dev)
{
struct ssb_device *sdev = dev->dev;
@@ -3240,7 +3311,7 @@ static void b43_put_phy_into_reset(struct b43_wldev *dev)
msleep(1);
}
-static const char * band_to_string(enum ieee80211_band band)
+static const char *band_to_string(enum ieee80211_band band)
{
switch (band) {
case IEEE80211_BAND_5GHZ:
@@ -3442,7 +3513,7 @@ out_unlock_mutex:
return err;
}
-static void b43_update_basic_rates(struct b43_wldev *dev, u64 brates)
+static void b43_update_basic_rates(struct b43_wldev *dev, u32 brates)
{
struct ieee80211_supported_band *sband =
dev->wl->hw->wiphy->bands[b43_current_band(dev->wl)];
@@ -3520,21 +3591,29 @@ out_unlock_mutex:
}
static int b43_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
- const u8 *local_addr, const u8 *addr,
- struct ieee80211_key_conf *key)
+ struct ieee80211_vif *vif, struct ieee80211_sta *sta,
+ struct ieee80211_key_conf *key)
{
struct b43_wl *wl = hw_to_b43_wl(hw);
struct b43_wldev *dev;
- unsigned long flags;
u8 algorithm;
u8 index;
int err;
+ static const u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
if (modparam_nohwcrypt)
return -ENOSPC; /* User disabled HW-crypto */
mutex_lock(&wl->mutex);
- spin_lock_irqsave(&wl->irq_lock, flags);
+ spin_lock_irq(&wl->irq_lock);
+ write_lock(&wl->tx_lock);
+ /* Why do we need all this locking here?
+ * mutex -> Every config operation must take it.
+ * irq_lock -> We modify the dev->key array, which is accessed
+ * in the IRQ handlers.
+ * tx_lock -> We modify the dev->key array, which is accessed
+ * in the TX handler.
+ */
dev = wl->current_dev;
err = -ENODEV;
@@ -3551,7 +3630,7 @@ static int b43_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
err = -EINVAL;
switch (key->alg) {
case ALG_WEP:
- if (key->keylen == 5)
+ if (key->keylen == LEN_WEP40)
algorithm = B43_SEC_ALGO_WEP40;
else
algorithm = B43_SEC_ALGO_WEP104;
@@ -3578,17 +3657,19 @@ static int b43_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
goto out_unlock;
}
- if (is_broadcast_ether_addr(addr)) {
- /* addr is FF:FF:FF:FF:FF:FF for default keys */
+ if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) {
+ if (WARN_ON(!sta)) {
+ err = -EOPNOTSUPP;
+ goto out_unlock;
+ }
+ /* Pairwise key with an assigned MAC address. */
+ err = b43_key_write(dev, -1, algorithm,
+ key->key, key->keylen,
+ sta->addr, key);
+ } else {
+ /* Group key */
err = b43_key_write(dev, index, algorithm,
key->key, key->keylen, NULL, key);
- } else {
- /*
- * either pairwise key or address is 00:00:00:00:00:00
- * for transmit-only keys
- */
- err = b43_key_write(dev, -1, algorithm,
- key->key, key->keylen, addr, key);
}
if (err)
goto out_unlock;
@@ -3617,10 +3698,11 @@ out_unlock:
b43dbg(wl, "%s hardware based encryption for keyidx: %d, "
"mac: %pM\n",
cmd == SET_KEY ? "Using" : "Disabling", key->keyidx,
- addr);
+ sta ? sta->addr : bcast_addr);
b43_dump_keymemory(dev);
}
- spin_unlock_irqrestore(&wl->irq_lock, flags);
+ write_unlock(&wl->tx_lock);
+ spin_unlock_irq(&wl->irq_lock);
mutex_unlock(&wl->mutex);
return err;
@@ -3796,6 +3878,12 @@ static int b43_phy_versioning(struct b43_wldev *dev)
break;
#ifdef CONFIG_B43_NPHY
case B43_PHYTYPE_N:
+ if (phy_rev > 4)
+ unsupported = 1;
+ break;
+#endif
+#ifdef CONFIG_B43_PHY_LP
+ case B43_PHYTYPE_LP:
if (phy_rev > 1)
unsupported = 1;
break;
@@ -3849,7 +3937,11 @@ static int b43_phy_versioning(struct b43_wldev *dev)
unsupported = 1;
break;
case B43_PHYTYPE_N:
- if (radio_ver != 0x2055)
+ if (radio_ver != 0x2055 && radio_ver != 0x2056)
+ unsupported = 1;
+ break;
+ case B43_PHYTYPE_LP:
+ if (radio_ver != 0x2062)
unsupported = 1;
break;
default:
@@ -4078,11 +4170,21 @@ static int b43_wireless_core_init(struct b43_wldev *dev)
hf |= B43_HF_GDCW;
if (sprom->boardflags_lo & B43_BFL_PACTRL)
hf |= B43_HF_OFDMPABOOST;
- } else if (phy->type == B43_PHYTYPE_B) {
- hf |= B43_HF_SYMW;
- if (phy->rev >= 2 && phy->radio_ver == 0x2050)
- hf &= ~B43_HF_GDCW;
}
+ if (phy->radio_ver == 0x2050) {
+ if (phy->radio_rev == 6)
+ hf |= B43_HF_4318TSSI;
+ if (phy->radio_rev < 6)
+ hf |= B43_HF_VCORECALC;
+ }
+ if (sprom->boardflags_lo & B43_BFL_XTAL_NOSLOW)
+ hf |= B43_HF_DSCRQ; /* Disable slowclock requests from ucode. */
+#ifdef CONFIG_SSB_DRIVER_PCICORE
+ if ((bus->bustype == SSB_BUSTYPE_PCI) &&
+ (bus->pcicore.dev->id.revision <= 10))
+ hf |= B43_HF_PCISCW; /* PCI slow clock workaround. */
+#endif
+ hf &= ~B43_HF_SKCFPUP;
b43_hf_write(dev, hf);
b43_set_retry_limits(dev, B43_DEFAULT_SHORT_RETRY_LIMIT,
@@ -4121,7 +4223,7 @@ static int b43_wireless_core_init(struct b43_wldev *dev)
b43_set_synth_pu_delay(dev, 1);
b43_bluetooth_coext_enable(dev);
- ssb_bus_powerup(bus, 1); /* Enable dynamic PCTL */
+ ssb_bus_powerup(bus, !(sprom->boardflags_lo & B43_BFL_XTAL_NOSLOW));
b43_upload_card_macaddress(dev);
b43_security_init(dev);
if (!dev->suspend_in_progress)
@@ -4305,6 +4407,34 @@ static void b43_op_sta_notify(struct ieee80211_hw *hw,
B43_WARN_ON(!vif || wl->vif != vif);
}
+static void b43_op_sw_scan_start_notifier(struct ieee80211_hw *hw)
+{
+ struct b43_wl *wl = hw_to_b43_wl(hw);
+ struct b43_wldev *dev;
+
+ mutex_lock(&wl->mutex);
+ dev = wl->current_dev;
+ if (dev && (b43_status(dev) >= B43_STAT_INITIALIZED)) {
+ /* Disable CFP update during scan on other channels. */
+ b43_hf_write(dev, b43_hf_read(dev) | B43_HF_SKCFPUP);
+ }
+ mutex_unlock(&wl->mutex);
+}
+
+static void b43_op_sw_scan_complete_notifier(struct ieee80211_hw *hw)
+{
+ struct b43_wl *wl = hw_to_b43_wl(hw);
+ struct b43_wldev *dev;
+
+ mutex_lock(&wl->mutex);
+ dev = wl->current_dev;
+ if (dev && (b43_status(dev) >= B43_STAT_INITIALIZED)) {
+ /* Re-enable CFP update. */
+ b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_SKCFPUP);
+ }
+ mutex_unlock(&wl->mutex);
+}
+
static const struct ieee80211_ops b43_hw_ops = {
.tx = b43_op_tx,
.conf_tx = b43_op_conf_tx,
@@ -4317,10 +4447,14 @@ static const struct ieee80211_ops b43_hw_ops = {
.set_key = b43_op_set_key,
.get_stats = b43_op_get_stats,
.get_tx_stats = b43_op_get_tx_stats,
+ .get_tsf = b43_op_get_tsf,
+ .set_tsf = b43_op_set_tsf,
.start = b43_op_start,
.stop = b43_op_stop,
.set_tim = b43_op_beacon_set_tim,
.sta_notify = b43_op_sta_notify,
+ .sw_scan_start = b43_op_sw_scan_start_notifier,
+ .sw_scan_complete = b43_op_sw_scan_complete_notifier,
};
/* Hard-reset the chip. Do not call this directly.
@@ -4446,6 +4580,7 @@ static int b43_wireless_core_attach(struct b43_wldev *dev)
break;
case B43_PHYTYPE_G:
case B43_PHYTYPE_N:
+ case B43_PHYTYPE_LP:
have_2ghz_phy = 1;
break;
default:
@@ -4657,9 +4792,10 @@ static int b43_wireless_init(struct ssb_device *dev)
INIT_WORK(&wl->txpower_adjust_work, b43_phy_txpower_adjust_work);
ssb_set_devtypedata(dev, wl);
- b43info(wl, "Broadcom %04X WLAN found\n", dev->bus->chip_id);
+ b43info(wl, "Broadcom %04X WLAN found (core revision %u)\n",
+ dev->bus->chip_id, dev->id.revision);
err = 0;
- out:
+out:
return err;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-22 12:07:26 +0000