mac80211: unify config_interface and bss_info_changed
[safe/jmp/linux-2.6] / drivers / net / wireless / b43 / main.c
index 19ad516..2615aaf 100644 (file)
@@ -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),
@@ -300,6 +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);
@@ -313,6 +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);
@@ -326,6 +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);
@@ -335,18 +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)
 {
@@ -502,7 +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;
 
@@ -590,7 +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;
@@ -663,32 +673,6 @@ static void b43_short_slot_timing_disable(struct b43_wldev *dev)
        b43_set_slot_time(dev, 20);
 }
 
-/* Enable a Generic IRQ. "mask" is the mask of which IRQs to enable.
- * Returns the _previously_ enabled IRQ mask.
- */
-static inline u32 b43_interrupt_enable(struct b43_wldev *dev, u32 mask)
-{
-       u32 old_mask;
-
-       old_mask = b43_read32(dev, B43_MMIO_GEN_IRQ_MASK);
-       b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, old_mask | mask);
-
-       return old_mask;
-}
-
-/* Disable a Generic IRQ. "mask" is the mask of which IRQs to disable.
- * Returns the _previously_ enabled IRQ mask.
- */
-static inline u32 b43_interrupt_disable(struct b43_wldev *dev, u32 mask)
-{
-       u32 old_mask;
-
-       old_mask = b43_read32(dev, B43_MMIO_GEN_IRQ_MASK);
-       b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, old_mask & ~mask);
-
-       return old_mask;
-}
-
 /* Synchronize IRQ top- and bottom-half.
  * IRQs must be masked before calling this.
  * This must not be called with the irq_lock held.
@@ -780,7 +764,7 @@ 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;
@@ -802,7 +786,7 @@ 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;
@@ -852,7 +836,7 @@ 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;
@@ -876,8 +860,8 @@ 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;
@@ -1276,7 +1260,7 @@ 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)
 {
@@ -1466,9 +1450,9 @@ 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;
@@ -1583,7 +1567,7 @@ static void handle_irq_beacon(struct b43_wldev *dev)
        /* This is the bottom half of the asynchronous beacon update. */
 
        /* Ignore interrupt in the future. */
-       dev->irq_savedstate &= ~B43_IRQ_BEACON;
+       dev->irq_mask &= ~B43_IRQ_BEACON;
 
        cmd = b43_read32(dev, B43_MMIO_MACCMD);
        beacon0_valid = (cmd & B43_MACCMD_BEACON0_VALID);
@@ -1592,7 +1576,7 @@ static void handle_irq_beacon(struct b43_wldev *dev)
        /* Schedule interrupt manually, if busy. */
        if (beacon0_valid && beacon1_valid) {
                b43_write32(dev, B43_MMIO_GEN_IRQ_REASON, B43_IRQ_BEACON);
-               dev->irq_savedstate |= B43_IRQ_BEACON;
+               dev->irq_mask |= B43_IRQ_BEACON;
                return;
        }
 
@@ -1631,11 +1615,9 @@ static void b43_beacon_update_trigger_work(struct work_struct *work)
        if (likely(dev && (b43_status(dev) >= B43_STAT_INITIALIZED))) {
                spin_lock_irq(&wl->irq_lock);
                /* update beacon right away or defer to irq */
-               dev->irq_savedstate = b43_read32(dev, B43_MMIO_GEN_IRQ_MASK);
                handle_irq_beacon(dev);
                /* The handler might have updated the IRQ mask. */
-               b43_write32(dev, B43_MMIO_GEN_IRQ_MASK,
-                           dev->irq_savedstate);
+               b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, dev->irq_mask);
                mmiowb();
                spin_unlock_irq(&wl->irq_lock);
        }
@@ -1869,7 +1851,7 @@ static void b43_interrupt_tasklet(struct b43_wldev *dev)
        if (reason & B43_IRQ_TX_OK)
                handle_irq_transmit_status(dev);
 
-       b43_interrupt_enable(dev, dev->irq_savedstate);
+       b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, dev->irq_mask);
        mmiowb();
        spin_unlock_irqrestore(&dev->wl->irq_lock, flags);
 }
@@ -1883,7 +1865,9 @@ static void b43_interrupt_ack(struct b43_wldev *dev, u32 reason)
        b43_write32(dev, B43_MMIO_DMA2_REASON, dev->dma_reason[2]);
        b43_write32(dev, B43_MMIO_DMA3_REASON, dev->dma_reason[3]);
        b43_write32(dev, B43_MMIO_DMA4_REASON, dev->dma_reason[4]);
+/* Unused ring
        b43_write32(dev, B43_MMIO_DMA5_REASON, dev->dma_reason[5]);
+*/
 }
 
 /* Interrupt handler top-half */
@@ -1893,18 +1877,19 @@ static irqreturn_t b43_interrupt_handler(int irq, void *dev_id)
        struct b43_wldev *dev = dev_id;
        u32 reason;
 
-       if (!dev)
-               return IRQ_NONE;
+       B43_WARN_ON(!dev);
 
        spin_lock(&dev->wl->irq_lock);
 
-       if (b43_status(dev) < B43_STAT_STARTED)
+       if (unlikely(b43_status(dev) < B43_STAT_STARTED)) {
+               /* This can only happen on shared IRQ lines. */
                goto out;
+       }
        reason = b43_read32(dev, B43_MMIO_GEN_IRQ_REASON);
        if (reason == 0xffffffff)       /* shared IRQ */
                goto out;
        ret = IRQ_HANDLED;
-       reason &= b43_read32(dev, B43_MMIO_GEN_IRQ_MASK);
+       reason &= dev->irq_mask;
        if (!reason)
                goto out;
 
@@ -1918,23 +1903,25 @@ static irqreturn_t b43_interrupt_handler(int irq, void *dev_id)
            & 0x0001DC00;
        dev->dma_reason[4] = b43_read32(dev, B43_MMIO_DMA4_REASON)
            & 0x0000DC00;
+/* Unused ring
        dev->dma_reason[5] = b43_read32(dev, B43_MMIO_DMA5_REASON)
            & 0x0000DC00;
+*/
 
        b43_interrupt_ack(dev, reason);
        /* disable all IRQs. They are enabled again in the bottom half. */
-       dev->irq_savedstate = b43_interrupt_disable(dev, B43_IRQ_ALL);
+       b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, 0);
        /* save the reason code and call our bottom half. */
        dev->irq_reason = reason;
        tasklet_schedule(&dev->isr_tasklet);
-      out:
+out:
        mmiowb();
        spin_unlock(&dev->wl->irq_lock);
 
        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;
@@ -1943,32 +1930,30 @@ 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://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";
        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;
@@ -1976,29 +1961,49 @@ 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))
@@ -2021,20 +2026,24 @@ 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;
@@ -2049,7 +2058,7 @@ 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;
 
@@ -2061,7 +2070,7 @@ 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. */
@@ -2097,7 +2106,7 @@ 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;
 
@@ -2131,30 +2140,34 @@ 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:
@@ -2162,6 +2175,48 @@ 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);
@@ -2902,7 +2957,8 @@ static void b43_security_init(struct b43_wldev *dev)
        b43_clear_keys(dev);
 }
 
-static int b43_rng_read(struct hwrng *rng, u32 * data)
+#ifdef CONFIG_B43_HWRNG
+static int b43_rng_read(struct hwrng *rng, u32 *data)
 {
        struct b43_wl *wl = (struct b43_wl *)rng->priv;
        unsigned long flags;
@@ -2917,17 +2973,21 @@ static int b43_rng_read(struct hwrng *rng, u32 * data)
 
        return (sizeof(u16));
 }
+#endif /* CONFIG_B43_HWRNG */
 
 static void b43_rng_exit(struct b43_wl *wl)
 {
+#ifdef CONFIG_B43_HWRNG
        if (wl->rng_initialized)
                hwrng_unregister(&wl->rng);
+#endif /* CONFIG_B43_HWRNG */
 }
 
 static int b43_rng_init(struct b43_wl *wl)
 {
-       int err;
+       int err = 0;
 
+#ifdef CONFIG_B43_HWRNG
        snprintf(wl->rng_name, ARRAY_SIZE(wl->rng_name),
                 "%s_%s", KBUILD_MODNAME, wiphy_name(wl->hw->wiphy));
        wl->rng.name = wl->rng_name;
@@ -2940,6 +3000,7 @@ static int b43_rng_init(struct b43_wl *wl)
                b43err(wl, "Failed to register the random "
                       "number generator (%d)\n", err);
        }
+#endif /* CONFIG_B43_HWRNG */
 
        return err;
 }
@@ -3177,6 +3238,43 @@ 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;
@@ -3196,7 +3294,7 @@ 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:
@@ -3370,11 +3468,6 @@ static int b43_op_config(struct ieee80211_hw *hw, u32 changed)
        if (phy->ops->set_rx_antenna)
                phy->ops->set_rx_antenna(dev, antenna);
 
-       /* Update templates for AP/mesh mode. */
-       if (b43_is_mode(wl, NL80211_IFTYPE_AP) ||
-           b43_is_mode(wl, NL80211_IFTYPE_MESH_POINT))
-               b43_set_beacon_int(dev, conf->beacon_int);
-
        if (!!conf->radio_enabled != phy->radio_on) {
                if (conf->radio_enabled) {
                        b43_software_rfkill(dev, RFKILL_STATE_UNBLOCKED);
@@ -3398,7 +3491,7 @@ 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)];
@@ -3450,14 +3543,47 @@ static void b43_op_bss_info_changed(struct ieee80211_hw *hw,
 {
        struct b43_wl *wl = hw_to_b43_wl(hw);
        struct b43_wldev *dev;
+       unsigned long flags;
 
        mutex_lock(&wl->mutex);
 
        dev = wl->current_dev;
        if (!dev || b43_status(dev) < B43_STAT_STARTED)
                goto out_unlock_mutex;
+
+       B43_WARN_ON(wl->vif != vif);
+
+       if (changed & BSS_CHANGED_BSSID) {
+               spin_lock_irqsave(&wl->irq_lock, flags);
+               if (conf->bssid)
+                       memcpy(wl->bssid, conf->bssid, ETH_ALEN);
+               else
+                       memset(wl->bssid, 0, ETH_ALEN);
+
+               if (b43_status(dev) >= B43_STAT_INITIALIZED) {
+                       if (b43_is_mode(wl, NL80211_IFTYPE_AP) ||
+                           b43_is_mode(wl, NL80211_IFTYPE_MESH_POINT)) {
+                               B43_WARN_ON(vif->type != wl->if_type);
+                               if (changed & BSS_CHANGED_BEACON)
+                                       b43_update_templates(wl);
+                       } else if (b43_is_mode(wl, NL80211_IFTYPE_ADHOC)) {
+                               if (changed & BSS_CHANGED_BEACON)
+                                       b43_update_templates(wl);
+                       }
+                       b43_write_mac_bssid_templates(dev);
+               }
+               spin_unlock_irqrestore(&wl->irq_lock, flags);
+       }
+
        b43_mac_suspend(dev);
 
+       /* Update templates for AP/mesh mode. */
+       if (changed & BSS_CHANGED_BEACON_INT &&
+           (b43_is_mode(wl, NL80211_IFTYPE_AP) ||
+            b43_is_mode(wl, NL80211_IFTYPE_MESH_POINT) ||
+            b43_is_mode(wl, NL80211_IFTYPE_ADHOC)))
+               b43_set_beacon_int(dev, conf->beacon_int);
+
        if (changed & BSS_CHANGED_BASIC_RATES)
                b43_update_basic_rates(dev, conf->basic_rates);
 
@@ -3471,8 +3597,6 @@ static void b43_op_bss_info_changed(struct ieee80211_hw *hw,
        b43_mac_enable(dev);
 out_unlock_mutex:
        mutex_unlock(&wl->mutex);
-
-       return;
 }
 
 static int b43_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
@@ -3484,6 +3608,7 @@ static int b43_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
        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 */
@@ -3582,7 +3707,7 @@ out_unlock:
                b43dbg(wl, "%s hardware based encryption for keyidx: %d, "
                       "mac: %pM\n",
                       cmd == SET_KEY ? "Using" : "Disabling", key->keyidx,
-                      sta ? sta->addr : "<group key>");
+                      sta ? sta->addr : bcast_addr);
                b43_dump_keymemory(dev);
        }
        write_unlock(&wl->tx_lock);
@@ -3629,41 +3754,6 @@ static void b43_op_configure_filter(struct ieee80211_hw *hw,
        spin_unlock_irqrestore(&wl->irq_lock, flags);
 }
 
-static int b43_op_config_interface(struct ieee80211_hw *hw,
-                                  struct ieee80211_vif *vif,
-                                  struct ieee80211_if_conf *conf)
-{
-       struct b43_wl *wl = hw_to_b43_wl(hw);
-       struct b43_wldev *dev = wl->current_dev;
-       unsigned long flags;
-
-       if (!dev)
-               return -ENODEV;
-       mutex_lock(&wl->mutex);
-       spin_lock_irqsave(&wl->irq_lock, flags);
-       B43_WARN_ON(wl->vif != vif);
-       if (conf->bssid)
-               memcpy(wl->bssid, conf->bssid, ETH_ALEN);
-       else
-               memset(wl->bssid, 0, ETH_ALEN);
-       if (b43_status(dev) >= B43_STAT_INITIALIZED) {
-               if (b43_is_mode(wl, NL80211_IFTYPE_AP) ||
-                   b43_is_mode(wl, NL80211_IFTYPE_MESH_POINT)) {
-                       B43_WARN_ON(vif->type != wl->if_type);
-                       if (conf->changed & IEEE80211_IFCC_BEACON)
-                               b43_update_templates(wl);
-               } else if (b43_is_mode(wl, NL80211_IFTYPE_ADHOC)) {
-                       if (conf->changed & IEEE80211_IFCC_BEACON)
-                               b43_update_templates(wl);
-               }
-               b43_write_mac_bssid_templates(dev);
-       }
-       spin_unlock_irqrestore(&wl->irq_lock, flags);
-       mutex_unlock(&wl->mutex);
-
-       return 0;
-}
-
 /* Locking: wl->mutex */
 static void b43_wireless_core_stop(struct b43_wldev *dev)
 {
@@ -3677,7 +3767,7 @@ static void b43_wireless_core_stop(struct b43_wldev *dev)
         * 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 = b43_interrupt_disable(dev, B43_IRQ_ALL);
+       b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, 0);
        b43_read32(dev, B43_MMIO_GEN_IRQ_MASK); /* flush */
        spin_unlock_irqrestore(&wl->irq_lock, flags);
        b43_synchronize_irq(dev);
@@ -3718,7 +3808,7 @@ static int b43_wireless_core_start(struct b43_wldev *dev)
 
        /* Start data flow (TX/RX). */
        b43_mac_enable(dev);
-       b43_interrupt_enable(dev, dev->irq_savedstate);
+       b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, dev->irq_mask);
 
        /* Start maintainance work */
        b43_periodic_tasks_setup(dev);
@@ -3858,6 +3948,11 @@ static void setup_struct_phy_for_init(struct b43_wldev *dev,
        phy->next_txpwr_check_time = jiffies;
        /* PHY TX errors counter. */
        atomic_set(&phy->txerr_cnt, B43_PHY_TX_BADNESS_LIMIT);
+
+#if B43_DEBUG
+       phy->phy_locked = 0;
+       phy->radio_locked = 0;
+#endif
 }
 
 static void setup_struct_wldev_for_init(struct b43_wldev *dev)
@@ -3876,7 +3971,9 @@ static void setup_struct_wldev_for_init(struct b43_wldev *dev)
        /* IRQ related flags */
        dev->irq_reason = 0;
        memset(dev->dma_reason, 0, sizeof(dev->dma_reason));
-       dev->irq_savedstate = B43_IRQ_MASKTEMPLATE;
+       dev->irq_mask = B43_IRQ_MASKTEMPLATE;
+       if (b43_modparam_verbose < B43_VERBOSITY_DEBUG)
+               dev->irq_mask &= ~B43_IRQ_PHY_TXERR;
 
        dev->mac_suspended = 1;
 
@@ -4054,11 +4151,21 @@ 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,
@@ -4097,7 +4204,7 @@ 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)
@@ -4281,6 +4388,34 @@ 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,
@@ -4288,15 +4423,18 @@ static const struct ieee80211_ops b43_hw_ops = {
        .remove_interface       = b43_op_remove_interface,
        .config                 = b43_op_config,
        .bss_info_changed       = b43_op_bss_info_changed,
-       .config_interface       = b43_op_config_interface,
        .configure_filter       = b43_op_configure_filter,
        .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.
@@ -4634,9 +4772,10 @@ 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;
 }