Merge branch 'for-davem' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6

1 files changed, 381 insertions, 175 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index cc15e929a987..aef4f71f1981 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -157,7 +157,7 @@ int iwl_commit_rxon(struct iwl_priv *priv)
                         IWL_ERR(priv, "Error clearing ASSOC_MSK (%d)\n", ret);
                         return ret;
                 }
-                iwl_clear_ucode_stations(priv, false);
+                iwl_clear_ucode_stations(priv);
                 iwl_restore_stations(priv);
                 ret = iwl_restore_default_wep_keys(priv);
                 if (ret) {
@@ -189,7 +189,7 @@ int iwl_commit_rxon(struct iwl_priv *priv)
                 }
                 IWL_DEBUG_INFO(priv, "Return from !new_assoc RXON.\n");
                 memcpy(active_rxon, &priv->staging_rxon, sizeof(*active_rxon));
-                iwl_clear_ucode_stations(priv, false);
+                iwl_clear_ucode_stations(priv);
                 iwl_restore_stations(priv);
                 ret = iwl_restore_default_wep_keys(priv);
                 if (ret) {
@@ -1506,9 +1506,13 @@ static void iwl_nic_start(struct iwl_priv *priv)
         iwl_write32(priv, CSR_RESET, 0);
 }
 
+struct iwlagn_ucode_capabilities {
+        u32 max_probe_length;
+};
 
 static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context);
-static int iwl_mac_setup_register(struct iwl_priv *priv);
+static int iwl_mac_setup_register(struct iwl_priv *priv,
+                                  struct iwlagn_ucode_capabilities *capa);
 
 static int __must_check iwl_request_firmware(struct iwl_priv *priv, bool first)
 {
@@ -1535,6 +1539,199 @@ static int __must_check iwl_request_firmware(struct iwl_priv *priv, bool first)
                                        iwl_ucode_callback);
 }
 
+struct iwlagn_firmware_pieces {
+        const void *inst, *data, *init, *init_data, *boot;
+        size_t inst_size, data_size, init_size, init_data_size, boot_size;
+
+        u32 build;
+};
+
+static int iwlagn_load_legacy_firmware(struct iwl_priv *priv,
+                                       const struct firmware *ucode_raw,
+                                       struct iwlagn_firmware_pieces *pieces)
+{
+        struct iwl_ucode_header *ucode = (void *)ucode_raw->data;
+        u32 api_ver, hdr_size;
+        const u8 *src;
+
+        priv->ucode_ver = le32_to_cpu(ucode->ver);
+        api_ver = IWL_UCODE_API(priv->ucode_ver);
+
+        switch (api_ver) {
+        default:
+                /*
+                 * 4965 doesn't revision the firmware file format
+                 * along with the API version, it always uses v1
+                 * file format.
+                 */
+                if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) !=
+                                CSR_HW_REV_TYPE_4965) {
+                        hdr_size = 28;
+                        if (ucode_raw->size < hdr_size) {
+                                IWL_ERR(priv, "File size too small!\n");
+                                return -EINVAL;
+                        }
+                        pieces->build = le32_to_cpu(ucode->u.v2.build);
+                        pieces->inst_size = le32_to_cpu(ucode->u.v2.inst_size);
+                        pieces->data_size = le32_to_cpu(ucode->u.v2.data_size);
+                        pieces->init_size = le32_to_cpu(ucode->u.v2.init_size);
+                        pieces->init_data_size = le32_to_cpu(ucode->u.v2.init_data_size);
+                        pieces->boot_size = le32_to_cpu(ucode->u.v2.boot_size);
+                        src = ucode->u.v2.data;
+                        break;
+                }
+                /* fall through for 4965 */
+        case 0:
+        case 1:
+        case 2:
+                hdr_size = 24;
+                if (ucode_raw->size < hdr_size) {
+                        IWL_ERR(priv, "File size too small!\n");
+                        return -EINVAL;
+                }
+                pieces->build = 0;
+                pieces->inst_size = le32_to_cpu(ucode->u.v1.inst_size);
+                pieces->data_size = le32_to_cpu(ucode->u.v1.data_size);
+                pieces->init_size = le32_to_cpu(ucode->u.v1.init_size);
+                pieces->init_data_size = le32_to_cpu(ucode->u.v1.init_data_size);
+                pieces->boot_size = le32_to_cpu(ucode->u.v1.boot_size);
+                src = ucode->u.v1.data;
+                break;
+        }
+
+        /* Verify size of file vs. image size info in file's header */
+        if (ucode_raw->size != hdr_size + pieces->inst_size +
+                                pieces->data_size + pieces->init_size +
+                                pieces->init_data_size + pieces->boot_size) {
+
+                IWL_ERR(priv,
+                        "uCode file size %d does not match expected size\n",
+                        (int)ucode_raw->size);
+                return -EINVAL;
+        }
+
+        pieces->inst = src;
+        src += pieces->inst_size;
+        pieces->data = src;
+        src += pieces->data_size;
+        pieces->init = src;
+        src += pieces->init_size;
+        pieces->init_data = src;
+        src += pieces->init_data_size;
+        pieces->boot = src;
+        src += pieces->boot_size;
+
+        return 0;
+}
+
+static int iwlagn_wanted_ucode_alternative = 1;
+
+static int iwlagn_load_firmware(struct iwl_priv *priv,
+                                const struct firmware *ucode_raw,
+                                struct iwlagn_firmware_pieces *pieces,
+                                struct iwlagn_ucode_capabilities *capa)
+{
+        struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data;
+        struct iwl_ucode_tlv *tlv;
+        size_t len = ucode_raw->size;
+        const u8 *data;
+        int wanted_alternative = iwlagn_wanted_ucode_alternative, tmp;
+        u64 alternatives;
+
+        if (len < sizeof(*ucode))
+                return -EINVAL;
+
+        if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC))
+                return -EINVAL;
+
+        /*
+         * Check which alternatives are present, and "downgrade"
+         * when the chosen alternative is not present, warning
+         * the user when that happens. Some files may not have
+         * any alternatives, so don't warn in that case.
+         */
+        alternatives = le64_to_cpu(ucode->alternatives);
+        tmp = wanted_alternative;
+        if (wanted_alternative > 63)
+                wanted_alternative = 63;
+        while (wanted_alternative && !(alternatives & BIT(wanted_alternative)))
+                wanted_alternative--;
+        if (wanted_alternative && wanted_alternative != tmp)
+                IWL_WARN(priv,
+                         "uCode alternative %d not available, choosing %d\n",
+                         tmp, wanted_alternative);
+
+        priv->ucode_ver = le32_to_cpu(ucode->ver);
+        pieces->build = le32_to_cpu(ucode->build);
+        data = ucode->data;
+
+        len -= sizeof(*ucode);
+
+        while (len >= sizeof(*tlv)) {
+                u32 tlv_len;
+                enum iwl_ucode_tlv_type tlv_type;
+                u16 tlv_alt;
+                const u8 *tlv_data;
+
+                len -= sizeof(*tlv);
+                tlv = (void *)data;
+
+                tlv_len = le32_to_cpu(tlv->length);
+                tlv_type = le16_to_cpu(tlv->type);
+                tlv_alt = le16_to_cpu(tlv->alternative);
+                tlv_data = tlv->data;
+
+                if (len < tlv_len)
+                        return -EINVAL;
+                len -= ALIGN(tlv_len, 4);
+                data += sizeof(*tlv) + ALIGN(tlv_len, 4);
+
+                /*
+                 * Alternative 0 is always valid.
+                 *
+                 * Skip alternative TLVs that are not selected.
+                 */
+                if (tlv_alt != 0 && tlv_alt != wanted_alternative)
+                        continue;
+
+                switch (tlv_type) {
+                case IWL_UCODE_TLV_INST:
+                        pieces->inst = tlv_data;
+                        pieces->inst_size = tlv_len;
+                        break;
+                case IWL_UCODE_TLV_DATA:
+                        pieces->data = tlv_data;
+                        pieces->data_size = tlv_len;
+                        break;
+                case IWL_UCODE_TLV_INIT:
+                        pieces->init = tlv_data;
+                        pieces->init_size = tlv_len;
+                        break;
+                case IWL_UCODE_TLV_INIT_DATA:
+                        pieces->init_data = tlv_data;
+                        pieces->init_data_size = tlv_len;
+                        break;
+                case IWL_UCODE_TLV_BOOT:
+                        pieces->boot = tlv_data;
+                        pieces->boot_size = tlv_len;
+                        break;
+                case IWL_UCODE_TLV_PROBE_MAX_LEN:
+                        if (tlv_len != 4)
+                                return -EINVAL;
+                        capa->max_probe_length =
+                                le32_to_cpup((__le32 *)tlv_data);
+                        break;
+                default:
+                        break;
+                }
+        }
+
+        if (len)
+                return -EINVAL;
+
+        return 0;
+}
+
 /**
  * iwl_ucode_callback - callback when firmware was loaded
  *
@@ -1545,14 +1742,18 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context)
 {
         struct iwl_priv *priv = context;
         struct iwl_ucode_header *ucode;
+        int err;
+        struct iwlagn_firmware_pieces pieces;
         const unsigned int api_max = priv->cfg->ucode_api_max;
         const unsigned int api_min = priv->cfg->ucode_api_min;
-        u8 *src;
-        size_t len;
-        u32 api_ver, build;
-        u32 inst_size, data_size, init_size, init_data_size, boot_size;
-        int err;
-        u16 eeprom_ver;
+        u32 api_ver;
+        char buildstr[25];
+        u32 build;
+        struct iwlagn_ucode_capabilities ucode_capa = {
+                .max_probe_length = 200,
+        };
+
+        memset(&pieces, 0, sizeof(pieces));
 
         if (!ucode_raw) {
                 IWL_ERR(priv, "request for firmware file '%s' failed.\n",
@@ -1563,8 +1764,8 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context)
         IWL_DEBUG_INFO(priv, "Loaded firmware file '%s' (%zd bytes).\n",
                        priv->firmware_name, ucode_raw->size);
 
-        /* Make sure that we got at least the v1 header! */
-        if (ucode_raw->size < priv->cfg->ops->ucode->get_header_size(1)) {
+        /* Make sure that we got at least the API version number */
+        if (ucode_raw->size < 4) {
                 IWL_ERR(priv, "File size way too small!\n");
                 goto try_again;
         }
@@ -1572,21 +1773,23 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context)
         /* Data from ucode file:  header followed by uCode images */
         ucode = (struct iwl_ucode_header *)ucode_raw->data;
 
-        priv->ucode_ver = le32_to_cpu(ucode->ver);
+        if (ucode->ver)
+                err = iwlagn_load_legacy_firmware(priv, ucode_raw, &pieces);
+        else
+                err = iwlagn_load_firmware(priv, ucode_raw, &pieces,
+                                           &ucode_capa);
+
+        if (err)
+                goto try_again;
+
         api_ver = IWL_UCODE_API(priv->ucode_ver);
-        build = priv->cfg->ops->ucode->get_build(ucode, api_ver);
-        inst_size = priv->cfg->ops->ucode->get_inst_size(ucode, api_ver);
-        data_size = priv->cfg->ops->ucode->get_data_size(ucode, api_ver);
-        init_size = priv->cfg->ops->ucode->get_init_size(ucode, api_ver);
-        init_data_size =
-                priv->cfg->ops->ucode->get_init_data_size(ucode, api_ver);
-        boot_size = priv->cfg->ops->ucode->get_boot_size(ucode, api_ver);
-        src = priv->cfg->ops->ucode->get_data(ucode, api_ver);
-
-        /* api_ver should match the api version forming part of the
-         * firmware filename ... but we don't check for that and only rely
-         * on the API version read from firmware header from here on forward */
+        build = pieces.build;
 
+        /*
+         * api_ver should match the api version forming part of the
+         * firmware filename ... but we don't check for that and only rely
+         * on the API version read from firmware header from here on forward
+         */
         if (api_ver < api_min || api_ver > api_max) {
                 IWL_ERR(priv, "Driver unable to support your firmware API. "
                           "Driver supports v%u, firmware is v%u.\n",
@@ -1600,40 +1803,26 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context)
                           "from http://www.intellinuxwireless.org.\n",
                           api_max, api_ver);
 
-        IWL_INFO(priv, "loaded firmware version %u.%u.%u.%u\n",
-               IWL_UCODE_MAJOR(priv->ucode_ver),
-               IWL_UCODE_MINOR(priv->ucode_ver),
-               IWL_UCODE_API(priv->ucode_ver),
-               IWL_UCODE_SERIAL(priv->ucode_ver));
+        if (build)
+                sprintf(buildstr, " build %u", build);
+        else
+                buildstr[0] = '\0';
+
+        IWL_INFO(priv, "loaded firmware version %u.%u.%u.%u%s\n",
+                 IWL_UCODE_MAJOR(priv->ucode_ver),
+                 IWL_UCODE_MINOR(priv->ucode_ver),
+                 IWL_UCODE_API(priv->ucode_ver),
+                 IWL_UCODE_SERIAL(priv->ucode_ver),
+                 buildstr);
 
         snprintf(priv->hw->wiphy->fw_version,
                  sizeof(priv->hw->wiphy->fw_version),
-                 "%u.%u.%u.%u",
+                 "%u.%u.%u.%u%s",
                  IWL_UCODE_MAJOR(priv->ucode_ver),
                  IWL_UCODE_MINOR(priv->ucode_ver),
                  IWL_UCODE_API(priv->ucode_ver),
-                 IWL_UCODE_SERIAL(priv->ucode_ver));
-
-        if (build)
-                IWL_DEBUG_INFO(priv, "Build %u\n", build);
-
-        eeprom_ver = iwl_eeprom_query16(priv, EEPROM_VERSION);
-        IWL_DEBUG_INFO(priv, "NVM Type: %s, version: 0x%x\n",
-                       (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP)
-                       ? "OTP" : "EEPROM", eeprom_ver);
-
-        IWL_DEBUG_INFO(priv, "f/w package hdr ucode version raw = 0x%x\n",
-                       priv->ucode_ver);
-        IWL_DEBUG_INFO(priv, "f/w package hdr runtime inst size = %u\n",
-                       inst_size);
-        IWL_DEBUG_INFO(priv, "f/w package hdr runtime data size = %u\n",
-                       data_size);
-        IWL_DEBUG_INFO(priv, "f/w package hdr init inst size = %u\n",
-                       init_size);
-        IWL_DEBUG_INFO(priv, "f/w package hdr init data size = %u\n",
-                       init_data_size);
-        IWL_DEBUG_INFO(priv, "f/w package hdr boot inst size = %u\n",
-                       boot_size);
+                 IWL_UCODE_SERIAL(priv->ucode_ver),
+                 buildstr);
 
         /*
          * For any of the failures below (before allocating pci memory)
@@ -1641,43 +1830,47 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context)
          * user just got a corrupted version of the latest API.
          */
 
-        /* Verify size of file vs. image size info in file's header */
-        if (ucode_raw->size !=
-                priv->cfg->ops->ucode->get_header_size(api_ver) +
-                inst_size + data_size + init_size +
-                init_data_size + boot_size) {
-
-                IWL_DEBUG_INFO(priv,
-                        "uCode file size %d does not match expected size\n",
-                        (int)ucode_raw->size);
-                goto try_again;
-        }
+        IWL_DEBUG_INFO(priv, "f/w package hdr ucode version raw = 0x%x\n",
+                       priv->ucode_ver);
+        IWL_DEBUG_INFO(priv, "f/w package hdr runtime inst size = %Zd\n",
+                       pieces.inst_size);
+        IWL_DEBUG_INFO(priv, "f/w package hdr runtime data size = %Zd\n",
+                       pieces.data_size);
+        IWL_DEBUG_INFO(priv, "f/w package hdr init inst size = %Zd\n",
+                       pieces.init_size);
+        IWL_DEBUG_INFO(priv, "f/w package hdr init data size = %Zd\n",
+                       pieces.init_data_size);
+        IWL_DEBUG_INFO(priv, "f/w package hdr boot inst size = %Zd\n",
+                       pieces.boot_size);
 
         /* Verify that uCode images will fit in card's SRAM */
-        if (inst_size > priv->hw_params.max_inst_size) {
-                IWL_DEBUG_INFO(priv, "uCode instr len %d too large to fit in\n",
-                               inst_size);
+        if (pieces.inst_size > priv->hw_params.max_inst_size) {
+                IWL_ERR(priv, "uCode instr len %Zd too large to fit in\n",
+                        pieces.inst_size);
                 goto try_again;
         }
 
-        if (data_size > priv->hw_params.max_data_size) {
-                IWL_DEBUG_INFO(priv, "uCode data len %d too large to fit in\n",
-                                data_size);
+        if (pieces.data_size > priv->hw_params.max_data_size) {
+                IWL_ERR(priv, "uCode data len %Zd too large to fit in\n",
+                        pieces.data_size);
                 goto try_again;
         }
-        if (init_size > priv->hw_params.max_inst_size) {
-                IWL_INFO(priv, "uCode init instr len %d too large to fit in\n",
-                        init_size);
+
+        if (pieces.init_size > priv->hw_params.max_inst_size) {
+                IWL_ERR(priv, "uCode init instr len %Zd too large to fit in\n",
+                        pieces.init_size);
                 goto try_again;
         }
-        if (init_data_size > priv->hw_params.max_data_size) {
-                IWL_INFO(priv, "uCode init data len %d too large to fit in\n",
-                      init_data_size);
+
+        if (pieces.init_data_size > priv->hw_params.max_data_size) {
+                IWL_ERR(priv, "uCode init data len %Zd too large to fit in\n",
+                        pieces.init_data_size);
                 goto try_again;
         }
-        if (boot_size > priv->hw_params.max_bsm_size) {
-                IWL_INFO(priv, "uCode boot instr len %d too large to fit in\n",
-                        boot_size);
+
+        if (pieces.boot_size > priv->hw_params.max_bsm_size) {
+                IWL_ERR(priv, "uCode boot instr len %Zd too large to fit in\n",
+                        pieces.boot_size);
                 goto try_again;
         }
 
@@ -1686,13 +1879,13 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context)
         /* Runtime instructions and 2 copies of data:
          * 1) unmodified from disk
          * 2) backup cache for save/restore during power-downs */
-        priv->ucode_code.len = inst_size;
+        priv->ucode_code.len = pieces.inst_size;
         iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_code);
 
-        priv->ucode_data.len = data_size;
+        priv->ucode_data.len = pieces.data_size;
         iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_data);
 
-        priv->ucode_data_backup.len = data_size;
+        priv->ucode_data_backup.len = pieces.data_size;
         iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_data_backup);
 
         if (!priv->ucode_code.v_addr || !priv->ucode_data.v_addr ||
@@ -1700,11 +1893,11 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context)
                 goto err_pci_alloc;
 
         /* Initialization instructions and data */
-        if (init_size && init_data_size) {
-                priv->ucode_init.len = init_size;
+        if (pieces.init_size && pieces.init_data_size) {
+                priv->ucode_init.len = pieces.init_size;
                 iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_init);
 
-                priv->ucode_init_data.len = init_data_size;
+                priv->ucode_init_data.len = pieces.init_data_size;
                 iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_init_data);
 
                 if (!priv->ucode_init.v_addr || !priv->ucode_init_data.v_addr)
@@ -1712,8 +1905,8 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context)
         }
 
         /* Bootstrap (instructions only, no data) */
-        if (boot_size) {
-                priv->ucode_boot.len = boot_size;
+        if (pieces.boot_size) {
+                priv->ucode_boot.len = pieces.boot_size;
                 iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_boot);
 
                 if (!priv->ucode_boot.v_addr)
@@ -1723,51 +1916,48 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context)
         /* Copy images into buffers for card's bus-master reads ... */
 
         /* Runtime instructions (first block of data in file) */
-        len = inst_size;
-        IWL_DEBUG_INFO(priv, "Copying (but not loading) uCode instr len %Zd\n", len);
-        memcpy(priv->ucode_code.v_addr, src, len);
-        src += len;
+        IWL_DEBUG_INFO(priv, "Copying (but not loading) uCode instr len %Zd\n",
+                        pieces.inst_size);
+        memcpy(priv->ucode_code.v_addr, pieces.inst, pieces.inst_size);
 
         IWL_DEBUG_INFO(priv, "uCode instr buf vaddr = 0x%p, paddr = 0x%08x\n",
                 priv->ucode_code.v_addr, (u32)priv->ucode_code.p_addr);
 
-        /* Runtime data (2nd block)
-         * NOTE:  Copy into backup buffer will be done in iwl_up()  */
-        len = data_size;
-        IWL_DEBUG_INFO(priv, "Copying (but not loading) uCode data len %Zd\n", len);
-        memcpy(priv->ucode_data.v_addr, src, len);
-        memcpy(priv->ucode_data_backup.v_addr, src, len);
-        src += len;
-
-        /* Initialization instructions (3rd block) */
-        if (init_size) {
-                len = init_size;
+        /*
+         * Runtime data
+         * NOTE:  Copy into backup buffer will be done in iwl_up()
+         */
+        IWL_DEBUG_INFO(priv, "Copying (but not loading) uCode data len %Zd\n",
+                        pieces.data_size);
+        memcpy(priv->ucode_data.v_addr, pieces.data, pieces.data_size);
+        memcpy(priv->ucode_data_backup.v_addr, pieces.data, pieces.data_size);
+
+        /* Initialization instructions */
+        if (pieces.init_size) {
                 IWL_DEBUG_INFO(priv, "Copying (but not loading) init instr len %Zd\n",
-                                len);
-                memcpy(priv->ucode_init.v_addr, src, len);
-                src += len;
+                                pieces.init_size);
+                memcpy(priv->ucode_init.v_addr, pieces.init, pieces.init_size);
         }
 
-        /* Initialization data (4th block) */
-        if (init_data_size) {
-                len = init_data_size;
+        /* Initialization data */
+        if (pieces.init_data_size) {
                 IWL_DEBUG_INFO(priv, "Copying (but not loading) init data len %Zd\n",
-                               len);
-                memcpy(priv->ucode_init_data.v_addr, src, len);
-                src += len;
+                               pieces.init_data_size);
+                memcpy(priv->ucode_init_data.v_addr, pieces.init_data,
+                       pieces.init_data_size);
         }
 
-        /* Bootstrap instructions (5th block) */
-        len = boot_size;
-        IWL_DEBUG_INFO(priv, "Copying (but not loading) boot instr len %Zd\n", len);
-        memcpy(priv->ucode_boot.v_addr, src, len);
+        /* Bootstrap instructions */
+        IWL_DEBUG_INFO(priv, "Copying (but not loading) boot instr len %Zd\n",
+                        pieces.boot_size);
+        memcpy(priv->ucode_boot.v_addr, pieces.boot, pieces.boot_size);
 
         /**************************************************
          * This is still part of probe() in a sense...
          *
          * 9. Setup and register with mac80211 and debugfs
          **************************************************/
-        err = iwl_mac_setup_register(priv);
+        err = iwl_mac_setup_register(priv, &ucode_capa);
         if (err)
                 goto out_unbind;
 
@@ -1777,6 +1967,7 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context)
 
         /* We have our copies now, allow OS release its copies */
         release_firmware(ucode_raw);
+        complete(&priv->_agn.firmware_loading_complete);
         return;
 
  try_again:
@@ -1790,6 +1981,7 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context)
         IWL_ERR(priv, "failed to allocate pci memory\n");
         iwl_dealloc_ucode_pci(priv);
  out_unbind:
+        complete(&priv->_agn.firmware_loading_complete);
         device_release_driver(&priv->pci_dev->dev);
         release_firmware(ucode_raw);
 }
@@ -2165,7 +2357,7 @@ static void iwl_alive_start(struct iwl_priv *priv)
                 active_rxon->filter_flags &= ~RXON_FILTER_ASSOC_MSK;
         } else {
                 /* Initialize our rx_config data */
-                iwl_connection_init_rx_config(priv, priv->iw_mode);
+                iwl_connection_init_rx_config(priv, NULL);
 
                 if (priv->cfg->ops->hcmd->set_rxon_chain)
                         priv->cfg->ops->hcmd->set_rxon_chain(priv);
@@ -2212,7 +2404,9 @@ static void __iwl_down(struct iwl_priv *priv)
         if (!exit_pending)
                 set_bit(STATUS_EXIT_PENDING, &priv->status);
 
-        iwl_clear_ucode_stations(priv, true);
+        iwl_clear_ucode_stations(priv);
+        iwl_dealloc_bcast_station(priv);
+        iwl_clear_driver_stations(priv);
 
         /* Unblock any waiting calls */
         wake_up_interruptible_all(&priv->wait_command_queue);
@@ -2359,6 +2553,10 @@ static int __iwl_up(struct iwl_priv *priv)
                 return -EIO;
         }
 
+        ret = iwl_alloc_bcast_station(priv, true);
+        if (ret)
+                return ret;
+
         iwl_prepare_card_hw(priv);
 
         if (!priv->hw_ready) {
@@ -2537,12 +2735,15 @@ static void iwl_bg_rx_replenish(struct work_struct *data)
 
 #define IWL_DELAY_NEXT_SCAN (HZ*2)
 
-void iwl_post_associate(struct iwl_priv *priv)
+void iwl_post_associate(struct iwl_priv *priv, struct ieee80211_vif *vif)
 {
         struct ieee80211_conf *conf = NULL;
         int ret = 0;
 
-        if (priv->iw_mode == NL80211_IFTYPE_AP) {
+        if (!vif || !priv->is_open)
+                return;
+
+        if (vif->type == NL80211_IFTYPE_AP) {
                 IWL_ERR(priv, "%s Should not be called in AP mode\n", __func__);
                 return;
         }
@@ -2550,10 +2751,6 @@ void iwl_post_associate(struct iwl_priv *priv)
         if (test_bit(STATUS_EXIT_PENDING, &priv->status))
                 return;
 
-
-        if (!priv->vif || !priv->is_open)
-                return;
-
         iwl_scan_cancel_timeout(priv, 200);
 
         conf = ieee80211_get_hw_conf(priv->hw);
@@ -2561,7 +2758,7 @@ void iwl_post_associate(struct iwl_priv *priv)
         priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
         iwlcore_commit_rxon(priv);
 
-        iwl_setup_rxon_timing(priv);
+        iwl_setup_rxon_timing(priv, vif);
         ret = iwl_send_cmd_pdu(priv, REPLY_RXON_TIMING,
                               sizeof(priv->rxon_timing), &priv->rxon_timing);
         if (ret)
@@ -2575,49 +2772,41 @@ void iwl_post_associate(struct iwl_priv *priv)
         if (priv->cfg->ops->hcmd->set_rxon_chain)
                 priv->cfg->ops->hcmd->set_rxon_chain(priv);
 
-        priv->staging_rxon.assoc_id = cpu_to_le16(priv->assoc_id);
+        priv->staging_rxon.assoc_id = cpu_to_le16(vif->bss_conf.aid);
 
         IWL_DEBUG_ASSOC(priv, "assoc id %d beacon interval %d\n",
-                        priv->assoc_id, priv->beacon_int);
+                        vif->bss_conf.aid, vif->bss_conf.beacon_int);
 
-        if (priv->assoc_capability & WLAN_CAPABILITY_SHORT_PREAMBLE)
+        if (vif->bss_conf.assoc_capability & WLAN_CAPABILITY_SHORT_PREAMBLE)
                 priv->staging_rxon.flags |= RXON_FLG_SHORT_PREAMBLE_MSK;
         else
                 priv->staging_rxon.flags &= ~RXON_FLG_SHORT_PREAMBLE_MSK;
 
         if (priv->staging_rxon.flags & RXON_FLG_BAND_24G_MSK) {
-                if (priv->assoc_capability & WLAN_CAPABILITY_SHORT_SLOT_TIME)
+                if (vif->bss_conf.assoc_capability &
+                                        WLAN_CAPABILITY_SHORT_SLOT_TIME)
                         priv->staging_rxon.flags |= RXON_FLG_SHORT_SLOT_MSK;
                 else
                         priv->staging_rxon.flags &= ~RXON_FLG_SHORT_SLOT_MSK;
 
-                if (priv->iw_mode == NL80211_IFTYPE_ADHOC)
+                if (vif->type == NL80211_IFTYPE_ADHOC)
                         priv->staging_rxon.flags &= ~RXON_FLG_SHORT_SLOT_MSK;
-
         }
 
         iwlcore_commit_rxon(priv);
 
         IWL_DEBUG_ASSOC(priv, "Associated as %d to: %pM\n",
-                        priv->assoc_id, priv->active_rxon.bssid_addr);
+                        vif->bss_conf.aid, priv->active_rxon.bssid_addr);
 
-        switch (priv->iw_mode) {
+        switch (vif->type) {
         case NL80211_IFTYPE_STATION:
                 break;
-
         case NL80211_IFTYPE_ADHOC:
-
-                /* assume default assoc id */
-                priv->assoc_id = 1;
-
-                iwl_add_local_station(priv, priv->bssid, true);
                 iwl_send_beacon_cmd(priv);
-
                 break;
-
         default:
                 IWL_ERR(priv, "%s Should not be called in %d mode\n",
-                          __func__, priv->iw_mode);
+                          __func__, vif->type);
                 break;
         }
 
@@ -2645,7 +2834,8 @@ void iwl_post_associate(struct iwl_priv *priv)
  * Not a mac80211 entry point function, but it fits in with all the
  * other mac80211 functions grouped here.
  */
-static int iwl_mac_setup_register(struct iwl_priv *priv)
+static int iwl_mac_setup_register(struct iwl_priv *priv,
+                                  struct iwlagn_ucode_capabilities *capa)
 {
         int ret;
         struct ieee80211_hw *hw = priv->hw;
@@ -2665,6 +2855,8 @@ static int iwl_mac_setup_register(struct iwl_priv *priv)
                              IEEE80211_HW_SUPPORTS_STATIC_SMPS;
 
         hw->sta_data_size = sizeof(struct iwl_station_priv);
+        hw->vif_data_size = sizeof(struct iwl_vif_priv);
+
         hw->wiphy->interface_modes =
                 BIT(NL80211_IFTYPE_STATION) |
                 BIT(NL80211_IFTYPE_ADHOC);
@@ -2680,7 +2872,7 @@ static int iwl_mac_setup_register(struct iwl_priv *priv)
 
         hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX;
         /* we create the 802.11 header and a zero-length SSID element */
-        hw->wiphy->max_scan_ie_len = IWL_MAX_PROBE_REQUEST - 24 - 2;
+        hw->wiphy->max_scan_ie_len = capa->max_probe_length - 24 - 2;
 
         /* Default value; 4 EDCA QOS priorities */
         hw->queues = 4;
@@ -2793,7 +2985,7 @@ static int iwl_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
         return NETDEV_TX_OK;
 }
 
-void iwl_config_ap(struct iwl_priv *priv)
+void iwl_config_ap(struct iwl_priv *priv, struct ieee80211_vif *vif)
 {
         int ret = 0;
 
@@ -2808,7 +3000,7 @@ void iwl_config_ap(struct iwl_priv *priv)
                 iwlcore_commit_rxon(priv);
 
                 /* RXON Timing */
-                iwl_setup_rxon_timing(priv);
+                iwl_setup_rxon_timing(priv, vif);
                 ret = iwl_send_cmd_pdu(priv, REPLY_RXON_TIMING,
                                 sizeof(priv->rxon_timing), &priv->rxon_timing);
                 if (ret)
@@ -2822,9 +3014,10 @@ void iwl_config_ap(struct iwl_priv *priv)
                 if (priv->cfg->ops->hcmd->set_rxon_chain)
                         priv->cfg->ops->hcmd->set_rxon_chain(priv);
 
-                /* FIXME: what should be the assoc_id for AP? */
-                priv->staging_rxon.assoc_id = cpu_to_le16(priv->assoc_id);
-                if (priv->assoc_capability & WLAN_CAPABILITY_SHORT_PREAMBLE)
+                priv->staging_rxon.assoc_id = 0;
+
+                if (vif->bss_conf.assoc_capability &
+                                                WLAN_CAPABILITY_SHORT_PREAMBLE)
                         priv->staging_rxon.flags |=
                                 RXON_FLG_SHORT_PREAMBLE_MSK;
                 else
@@ -2832,22 +3025,21 @@ void iwl_config_ap(struct iwl_priv *priv)
                                 ~RXON_FLG_SHORT_PREAMBLE_MSK;
 
                 if (priv->staging_rxon.flags & RXON_FLG_BAND_24G_MSK) {
-                        if (priv->assoc_capability &
-                                WLAN_CAPABILITY_SHORT_SLOT_TIME)
+                        if (vif->bss_conf.assoc_capability &
+                                                WLAN_CAPABILITY_SHORT_SLOT_TIME)
                                 priv->staging_rxon.flags |=
                                         RXON_FLG_SHORT_SLOT_MSK;
                         else
                                 priv->staging_rxon.flags &=
                                         ~RXON_FLG_SHORT_SLOT_MSK;
 
-                        if (priv->iw_mode == NL80211_IFTYPE_ADHOC)
+                        if (vif->type == NL80211_IFTYPE_ADHOC)
                                 priv->staging_rxon.flags &=
                                         ~RXON_FLG_SHORT_SLOT_MSK;
                 }
                 /* restore RXON assoc */
                 priv->staging_rxon.filter_flags |= RXON_FILTER_ASSOC_MSK;
                 iwlcore_commit_rxon(priv);
-                iwl_add_bcast_station(priv);
         }
         iwl_send_beacon_cmd(priv);
 
@@ -2866,8 +3058,7 @@ static void iwl_mac_update_tkip_key(struct ieee80211_hw *hw,
         struct iwl_priv *priv = hw->priv;
         IWL_DEBUG_MAC80211(priv, "enter\n");
 
-        iwl_update_tkip_key(priv, keyconf,
-                            sta ? sta->addr : iwl_bcast_addr,
+        iwl_update_tkip_key(priv, keyconf, sta,
                             iv32, phase1key);
 
         IWL_DEBUG_MAC80211(priv, "leave\n");
@@ -2879,7 +3070,6 @@ static int iwl_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
                            struct ieee80211_key_conf *key)
 {
         struct iwl_priv *priv = hw->priv;
-        const u8 *addr;
         int ret;
         u8 sta_id;
         bool is_default_wep_key = false;
@@ -2890,13 +3080,17 @@ static int iwl_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
                 IWL_DEBUG_MAC80211(priv, "leave - hwcrypto disabled\n");
                 return -EOPNOTSUPP;
         }
-        addr = sta ? sta->addr : iwl_bcast_addr;
-        sta_id = iwl_find_station(priv, addr);
-        if (sta_id == IWL_INVALID_STATION) {
-                IWL_DEBUG_MAC80211(priv, "leave - %pM not in station map.\n",
-                                   addr);
-                return -EINVAL;
 
+        if (sta) {
+                sta_id = iwl_sta_id(sta);
+
+                if (sta_id == IWL_INVALID_STATION) {
+                        IWL_DEBUG_MAC80211(priv, "leave - %pM not in station map.\n",
+                                           sta->addr);
+                        return -EINVAL;
+                }
+        } else {
+                sta_id = priv->hw_params.bcast_sta_id;
         }
 
         mutex_lock(&priv->mutex);
@@ -2945,8 +3139,8 @@ static int iwl_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 
 static int iwl_mac_ampdu_action(struct ieee80211_hw *hw,
                                 struct ieee80211_vif *vif,
-                             enum ieee80211_ampdu_mlme_action action,
-                             struct ieee80211_sta *sta, u16 tid, u16 *ssn)
+                                enum ieee80211_ampdu_mlme_action action,
+                                struct ieee80211_sta *sta, u16 tid, u16 *ssn)
 {
         struct iwl_priv *priv = hw->priv;
         int ret;
@@ -2960,17 +3154,17 @@ static int iwl_mac_ampdu_action(struct ieee80211_hw *hw,
         switch (action) {
         case IEEE80211_AMPDU_RX_START:
                 IWL_DEBUG_HT(priv, "start Rx\n");
-                return iwl_sta_rx_agg_start(priv, sta->addr, tid, *ssn);
+                return iwl_sta_rx_agg_start(priv, sta, tid, *ssn);
         case IEEE80211_AMPDU_RX_STOP:
                 IWL_DEBUG_HT(priv, "stop Rx\n");
-                ret = iwl_sta_rx_agg_stop(priv, sta->addr, tid);
+                ret = iwl_sta_rx_agg_stop(priv, sta, tid);
                 if (test_bit(STATUS_EXIT_PENDING, &priv->status))
                         return 0;
                 else
                         return ret;
         case IEEE80211_AMPDU_TX_START:
                 IWL_DEBUG_HT(priv, "start Tx\n");
-                ret = iwlagn_tx_agg_start(priv, sta->addr, tid, ssn);
+                ret = iwlagn_tx_agg_start(priv, vif, sta, tid, ssn);
                 if (ret == 0) {
                         priv->_agn.agg_tids_count++;
                         IWL_DEBUG_HT(priv, "priv->_agn.agg_tids_count = %u\n",
@@ -2979,7 +3173,7 @@ static int iwl_mac_ampdu_action(struct ieee80211_hw *hw,
                 return ret;
         case IEEE80211_AMPDU_TX_STOP:
                 IWL_DEBUG_HT(priv, "stop Tx\n");
-                ret = iwlagn_tx_agg_stop(priv, sta->addr, tid);
+                ret = iwlagn_tx_agg_stop(priv, vif, sta, tid);
                 if ((ret == 0) && (priv->_agn.agg_tids_count > 0)) {
                         priv->_agn.agg_tids_count--;
                         IWL_DEBUG_HT(priv, "priv->_agn.agg_tids_count = %u\n",
@@ -3021,7 +3215,7 @@ static void iwl_mac_sta_notify(struct ieee80211_hw *hw,
                 if (!sta_priv->asleep)
                         break;
                 sta_priv->asleep = false;
-                sta_id = iwl_find_station(priv, sta->addr);
+                sta_id = iwl_sta_id(sta);
                 if (sta_id != IWL_INVALID_STATION)
                         iwl_sta_modify_ps_wake(priv, sta_id);
                 break;
@@ -3036,10 +3230,12 @@ static int iwlagn_mac_sta_add(struct ieee80211_hw *hw,
 {
         struct iwl_priv *priv = hw->priv;
         struct iwl_station_priv *sta_priv = (void *)sta->drv_priv;
-        bool is_ap = priv->iw_mode == NL80211_IFTYPE_STATION;
+        bool is_ap = vif->type == NL80211_IFTYPE_STATION;
         int ret;
         u8 sta_id;
 
+        sta_priv->common.sta_id = IWL_INVALID_STATION;
+
         IWL_DEBUG_INFO(priv, "received request to add station %pM\n",
                         sta->addr);
 
@@ -3056,12 +3252,14 @@ static int iwlagn_mac_sta_add(struct ieee80211_hw *hw,
                 return ret;
         }
 
+        sta_priv->common.sta_id = sta_id;
+
         /* Initialize rate scaling */
         IWL_DEBUG_INFO(priv, "Initializing rate scaling for station %pM\n",
                        sta->addr);
         iwl_rs_rate_init(priv, sta, sta_id);
 
-        return ret;
+        return 0;
 }
 
 /*****************************************************************************
@@ -3586,6 +3784,8 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
         iwl_power_initialize(priv);
         iwl_tt_initialize(priv);
 
+        init_completion(&priv->_agn.firmware_loading_complete);
+
         err = iwl_request_firmware(priv, true);
         if (err)
                 goto out_remove_sysfs;
@@ -3626,6 +3826,8 @@ static void __devexit iwl_pci_remove(struct pci_dev *pdev)
         if (!priv)
                 return;
 
+        wait_for_completion(&priv->_agn.firmware_loading_complete);
+
         IWL_DEBUG_INFO(priv, "*** UNLOAD DRIVER ***\n");
 
         iwl_dbgfs_unregister(priv);
@@ -3783,11 +3985,10 @@ static DEFINE_PCI_DEVICE_TABLE(iwl_hw_card_ids) = {
         {IWL_PCI_DEVICE(0x4239, 0x1311, iwl6000i_2agn_cfg)},
         {IWL_PCI_DEVICE(0x4239, 0x1316, iwl6000i_2abg_cfg)},
 
-/* 6x00 Series Gen2 */
-        {IWL_PCI_DEVICE(0x0082, 0x1201, iwl6000g2_2agn_cfg)},
-        {IWL_PCI_DEVICE(0x0082, 0x1301, iwl6000g2_2agn_cfg)},
-        {IWL_PCI_DEVICE(0x0082, 0x1321, iwl6000g2_2agn_cfg)},
-        {IWL_PCI_DEVICE(0x0085, 0x1311, iwl6000g2_2agn_cfg)},
+/* 6x00 Series Gen2a */
+        {IWL_PCI_DEVICE(0x0082, 0x1201, iwl6000g2a_2agn_cfg)},
+        {IWL_PCI_DEVICE(0x0085, 0x1211, iwl6000g2a_2agn_cfg)},
+        {IWL_PCI_DEVICE(0x0082, 0x1221, iwl6000g2a_2agn_cfg)},
 
 /* 6x50 WiFi/WiMax Series */
         {IWL_PCI_DEVICE(0x0087, 0x1301, iwl6050_2agn_cfg)},
@@ -3900,3 +4101,8 @@ MODULE_PARM_DESC(fw_restart, "restart firmware in case of error");
 module_param_named(
         disable_hw_scan, iwlagn_mod_params.disable_hw_scan, int, S_IRUGO);
 MODULE_PARM_DESC(disable_hw_scan, "disable hardware scanning (default 0)");
+
+module_param_named(ucode_alternative, iwlagn_wanted_ucode_alternative, int,
+                   S_IRUGO);
+MODULE_PARM_DESC(ucode_alternative,
+                 "specify ucode alternative to use from ucode file");