/* * This function gets firmware and initializes it. * * The main initialization steps followed are - * - Download the correct firmware to card * - Issue the init commands to firmware */ static void mwifiex_fw_dpc(const struct firmware *firmware, void *context) { int ret; char fmt[64]; struct mwifiex_private *priv; struct mwifiex_adapter *adapter = context; struct mwifiex_fw_image fw; if (!firmware) { dev_err(adapter->dev, "Failed to get firmware %s\n", adapter->fw_name); goto done; } memset(&fw, 0, sizeof(struct mwifiex_fw_image)); adapter->firmware = firmware; fw.fw_buf = (u8 *) adapter->firmware->data; fw.fw_len = adapter->firmware->size; if (adapter->if_ops.dnld_fw) ret = adapter->if_ops.dnld_fw(adapter, &fw); else ret = mwifiex_dnld_fw(adapter, &fw); if (ret == -1) goto done; dev_notice(adapter->dev, "WLAN FW is active\n"); adapter->init_wait_q_woken = false; ret = mwifiex_init_fw(adapter); if (ret == -1) { goto done; } else if (!ret) { adapter->hw_status = MWIFIEX_HW_STATUS_READY; goto done; } /* Wait for mwifiex_init to complete */ wait_event_interruptible(adapter->init_wait_q, adapter->init_wait_q_woken); if (adapter->hw_status != MWIFIEX_HW_STATUS_READY) goto done; priv = adapter->priv[MWIFIEX_BSS_ROLE_STA]; if (mwifiex_register_cfg80211(adapter)) { dev_err(adapter->dev, "cannot register with cfg80211\n"); goto err_init_fw; } rtnl_lock(); /* Create station interface by default */ if (!mwifiex_add_virtual_intf(adapter->wiphy, "mlan%d", NL80211_IFTYPE_STATION, NULL, NULL)) { dev_err(adapter->dev, "cannot create default STA interface\n"); goto err_add_intf; } /* Create AP interface by default */ if (!mwifiex_add_virtual_intf(adapter->wiphy, "uap%d", NL80211_IFTYPE_AP, NULL, NULL)) { dev_err(adapter->dev, "cannot create default AP interface\n"); goto err_add_intf; } /* Create P2P interface by default */ if (!mwifiex_add_virtual_intf(adapter->wiphy, "p2p%d", NL80211_IFTYPE_P2P_CLIENT, NULL, NULL)) { dev_err(adapter->dev, "cannot create default P2P interface\n"); goto err_add_intf; } rtnl_unlock(); mwifiex_drv_get_driver_version(adapter, fmt, sizeof(fmt) - 1); dev_notice(adapter->dev, "driver_version = %s\n", fmt); goto done; err_add_intf: mwifiex_del_virtual_intf(adapter->wiphy, priv->wdev); rtnl_unlock(); err_init_fw: pr_debug("info: %s: unregister device\n", __func__); adapter->if_ops.unregister_dev(adapter); done: release_firmware(adapter->firmware); complete(&adapter->fw_load); return; }
/* * This function gets firmware and initializes it. * * The main initialization steps followed are - * - Download the correct firmware to card * - Issue the init commands to firmware */ static void mwifiex_fw_dpc(const struct firmware *firmware, void *context) { int ret; char fmt[64]; struct mwifiex_private *priv; struct mwifiex_adapter *adapter = context; struct mwifiex_fw_image fw; struct semaphore *sem = adapter->card_sem; bool init_failed = false; struct wireless_dev *wdev; if (!firmware) { dev_err(adapter->dev, "Failed to get firmware %s\n", adapter->fw_name); goto err_dnld_fw; } memset(&fw, 0, sizeof(struct mwifiex_fw_image)); adapter->firmware = firmware; fw.fw_buf = (u8 *) adapter->firmware->data; fw.fw_len = adapter->firmware->size; if (adapter->if_ops.dnld_fw) ret = adapter->if_ops.dnld_fw(adapter, &fw); else ret = mwifiex_dnld_fw(adapter, &fw); if (ret == -1) goto err_dnld_fw; dev_notice(adapter->dev, "WLAN FW is active\n"); if (cal_data_cfg) { if ((request_firmware(&adapter->cal_data, cal_data_cfg, adapter->dev)) < 0) dev_err(adapter->dev, "Cal data request_firmware() failed\n"); } /* enable host interrupt after fw dnld is successful */ if (adapter->if_ops.enable_int) { if (adapter->if_ops.enable_int(adapter)) goto err_dnld_fw; } adapter->init_wait_q_woken = false; ret = mwifiex_init_fw(adapter); if (ret == -1) { goto err_init_fw; } else if (!ret) { adapter->hw_status = MWIFIEX_HW_STATUS_READY; goto done; } /* Wait for mwifiex_init to complete */ wait_event_interruptible(adapter->init_wait_q, adapter->init_wait_q_woken); if (adapter->hw_status != MWIFIEX_HW_STATUS_READY) goto err_init_fw; priv = adapter->priv[MWIFIEX_BSS_ROLE_STA]; if (mwifiex_register_cfg80211(adapter)) { dev_err(adapter->dev, "cannot register with cfg80211\n"); goto err_init_fw; } if (mwifiex_init_channel_scan_gap(adapter)) { dev_err(adapter->dev, "could not init channel stats table\n"); goto err_init_fw; } if (driver_mode) { driver_mode &= MWIFIEX_DRIVER_MODE_BITMASK; driver_mode |= MWIFIEX_DRIVER_MODE_STA; } rtnl_lock(); /* Create station interface by default */ wdev = mwifiex_add_virtual_intf(adapter->wiphy, "mlan%d", NL80211_IFTYPE_STATION, NULL, NULL); if (IS_ERR(wdev)) { dev_err(adapter->dev, "cannot create default STA interface\n"); rtnl_unlock(); goto err_add_intf; } if (driver_mode & MWIFIEX_DRIVER_MODE_UAP) { wdev = mwifiex_add_virtual_intf(adapter->wiphy, "uap%d", NL80211_IFTYPE_AP, NULL, NULL); if (IS_ERR(wdev)) { dev_err(adapter->dev, "cannot create AP interface\n"); rtnl_unlock(); goto err_add_intf; } } if (driver_mode & MWIFIEX_DRIVER_MODE_P2P) { wdev = mwifiex_add_virtual_intf(adapter->wiphy, "p2p%d", NL80211_IFTYPE_P2P_CLIENT, NULL, NULL); if (IS_ERR(wdev)) { dev_err(adapter->dev, "cannot create p2p client interface\n"); rtnl_unlock(); goto err_add_intf; } } rtnl_unlock(); mwifiex_drv_get_driver_version(adapter, fmt, sizeof(fmt) - 1); dev_notice(adapter->dev, "driver_version = %s\n", fmt); goto done; err_add_intf: wiphy_unregister(adapter->wiphy); wiphy_free(adapter->wiphy); err_init_fw: if (adapter->if_ops.disable_int) adapter->if_ops.disable_int(adapter); err_dnld_fw: pr_debug("info: %s: unregister device\n", __func__); if (adapter->if_ops.unregister_dev) adapter->if_ops.unregister_dev(adapter); if ((adapter->hw_status == MWIFIEX_HW_STATUS_FW_READY) || (adapter->hw_status == MWIFIEX_HW_STATUS_READY)) { pr_debug("info: %s: shutdown mwifiex\n", __func__); adapter->init_wait_q_woken = false; if (mwifiex_shutdown_drv(adapter) == -EINPROGRESS) wait_event_interruptible(adapter->init_wait_q, adapter->init_wait_q_woken); } adapter->surprise_removed = true; mwifiex_terminate_workqueue(adapter); init_failed = true; done: if (adapter->cal_data) { release_firmware(adapter->cal_data); adapter->cal_data = NULL; } if (adapter->firmware) { release_firmware(adapter->firmware); adapter->firmware = NULL; } if (init_failed) mwifiex_free_adapter(adapter); up(sem); return; }