--- /dev/null
+/*
+ * Copyright (c) 2004-2011 Atheros Communications Inc.
+ * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "core.h"
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/export.h>
+#include <linux/vmalloc.h>
+
+#include "debug.h"
+#include "hif-ops.h"
+#include "htc-ops.h"
+#include "cfg80211.h"
+
+unsigned int debug_mask;
+static unsigned int suspend_mode;
+static unsigned int wow_mode;
+static unsigned int uart_debug;
+static unsigned int ath6kl_p2p;
+static unsigned int testmode;
+static unsigned int recovery_enable;
+static unsigned int heart_beat_poll;
+
+module_param(debug_mask, uint, 0644);
+module_param(suspend_mode, uint, 0644);
+module_param(wow_mode, uint, 0644);
+module_param(uart_debug, uint, 0644);
+module_param(ath6kl_p2p, uint, 0644);
+module_param(testmode, uint, 0644);
+module_param(recovery_enable, uint, 0644);
+module_param(heart_beat_poll, uint, 0644);
+MODULE_PARM_DESC(recovery_enable, "Enable recovery from firmware error");
+MODULE_PARM_DESC(heart_beat_poll,
+ "Enable fw error detection periodic polling in msecs - Also set recovery_enable for this to be effective");
+
+
+void ath6kl_core_tx_complete(struct ath6kl *ar, struct sk_buff *skb)
+{
+ ath6kl_htc_tx_complete(ar, skb);
+}
+EXPORT_SYMBOL(ath6kl_core_tx_complete);
+
+void ath6kl_core_rx_complete(struct ath6kl *ar, struct sk_buff *skb, u8 pipe)
+{
+ ath6kl_htc_rx_complete(ar, skb, pipe);
+}
+EXPORT_SYMBOL(ath6kl_core_rx_complete);
+
+int ath6kl_core_init(struct ath6kl *ar, enum ath6kl_htc_type htc_type)
+{
+ struct ath6kl_bmi_target_info targ_info;
+ struct wireless_dev *wdev;
+ int ret = 0, i;
+
+ switch (htc_type) {
+ case ATH6KL_HTC_TYPE_MBOX:
+ ath6kl_htc_mbox_attach(ar);
+ break;
+ case ATH6KL_HTC_TYPE_PIPE:
+ ath6kl_htc_pipe_attach(ar);
+ break;
+ default:
+ WARN_ON(1);
+ return -ENOMEM;
+ }
+
+ ar->ath6kl_wq = create_singlethread_workqueue("ath6kl");
+ if (!ar->ath6kl_wq)
+ return -ENOMEM;
+
+ ret = ath6kl_bmi_init(ar);
+ if (ret)
+ goto err_wq;
+
+ /*
+ * Turn on power to get hardware (target) version and leave power
+ * on delibrately as we will boot the hardware anyway within few
+ * seconds.
+ */
+ ret = ath6kl_hif_power_on(ar);
+ if (ret)
+ goto err_bmi_cleanup;
+
+ ret = ath6kl_bmi_get_target_info(ar, &targ_info);
+ if (ret)
+ goto err_power_off;
+
+ ar->version.target_ver = le32_to_cpu(targ_info.version);
+ ar->target_type = le32_to_cpu(targ_info.type);
+ ar->wiphy->hw_version = le32_to_cpu(targ_info.version);
+
+ ret = ath6kl_init_hw_params(ar);
+ if (ret)
+ goto err_power_off;
+
+ ar->htc_target = ath6kl_htc_create(ar);
+
+ if (!ar->htc_target) {
+ ret = -ENOMEM;
+ goto err_power_off;
+ }
+
+ ar->testmode = testmode;
+
+ ret = ath6kl_init_fetch_firmwares(ar);
+ if (ret)
+ goto err_htc_cleanup;
+
+ /* FIXME: we should free all firmwares in the error cases below */
+
+ /*
+ * Backwards compatibility support for older ar6004 firmware images
+ * which do not set these feature flags.
+ */
+ if (ar->target_type == TARGET_TYPE_AR6004 &&
+ ar->fw_api <= 4) {
+ __set_bit(ATH6KL_FW_CAPABILITY_64BIT_RATES,
+ ar->fw_capabilities);
+ __set_bit(ATH6KL_FW_CAPABILITY_AP_INACTIVITY_MINS,
+ ar->fw_capabilities);
+
+ if (ar->hw.id == AR6004_HW_1_3_VERSION)
+ __set_bit(ATH6KL_FW_CAPABILITY_MAP_LP_ENDPOINT,
+ ar->fw_capabilities);
+ }
+
+ /* Indicate that WMI is enabled (although not ready yet) */
+ set_bit(WMI_ENABLED, &ar->flag);
+ ar->wmi = ath6kl_wmi_init(ar);
+ if (!ar->wmi) {
+ ath6kl_err("failed to initialize wmi\n");
+ ret = -EIO;
+ goto err_htc_cleanup;
+ }
+
+ ath6kl_dbg(ATH6KL_DBG_TRC, "%s: got wmi @ 0x%p.\n", __func__, ar->wmi);
+
+ /* setup access class priority mappings */
+ ar->ac_stream_pri_map[WMM_AC_BK] = 0; /* lowest */
+ ar->ac_stream_pri_map[WMM_AC_BE] = 1;
+ ar->ac_stream_pri_map[WMM_AC_VI] = 2;
+ ar->ac_stream_pri_map[WMM_AC_VO] = 3; /* highest */
+
+ /* allocate some buffers that handle larger AMSDU frames */
+ ath6kl_refill_amsdu_rxbufs(ar, ATH6KL_MAX_AMSDU_RX_BUFFERS);
+
+ ath6kl_cookie_init(ar);
+
+ ar->conf_flags = ATH6KL_CONF_IGNORE_ERP_BARKER |
+ ATH6KL_CONF_ENABLE_11N | ATH6KL_CONF_ENABLE_TX_BURST;
+
+ if (suspend_mode &&
+ suspend_mode >= WLAN_POWER_STATE_CUT_PWR &&
+ suspend_mode <= WLAN_POWER_STATE_WOW)
+ ar->suspend_mode = suspend_mode;
+ else
+ ar->suspend_mode = 0;
+
+ if (suspend_mode == WLAN_POWER_STATE_WOW &&
+ (wow_mode == WLAN_POWER_STATE_CUT_PWR ||
+ wow_mode == WLAN_POWER_STATE_DEEP_SLEEP))
+ ar->wow_suspend_mode = wow_mode;
+ else
+ ar->wow_suspend_mode = 0;
+
+ if (uart_debug)
+ ar->conf_flags |= ATH6KL_CONF_UART_DEBUG;
+
+ set_bit(FIRST_BOOT, &ar->flag);
+
+ ath6kl_debug_init(ar);
+
+ ret = ath6kl_init_hw_start(ar);
+ if (ret) {
+ ath6kl_err("Failed to start hardware: %d\n", ret);
+ goto err_rxbuf_cleanup;
+ }
+
+ /* give our connected endpoints some buffers */
+ ath6kl_rx_refill(ar->htc_target, ar->ctrl_ep);
+ ath6kl_rx_refill(ar->htc_target, ar->ac2ep_map[WMM_AC_BE]);
+
+ ret = ath6kl_cfg80211_init(ar);
+ if (ret)
+ goto err_rxbuf_cleanup;
+
+ ret = ath6kl_debug_init_fs(ar);
+ if (ret) {
+ wiphy_unregister(ar->wiphy);
+ goto err_rxbuf_cleanup;
+ }
+
+ for (i = 0; i < ar->vif_max; i++)
+ ar->avail_idx_map |= BIT(i);
+
+ rtnl_lock();
+
+ /* Add an initial station interface */
+ wdev = ath6kl_interface_add(ar, "wlan%d", NET_NAME_ENUM,
+ NL80211_IFTYPE_STATION, 0, INFRA_NETWORK);
+
+ rtnl_unlock();
+
+ if (!wdev) {
+ ath6kl_err("Failed to instantiate a network device\n");
+ ret = -ENOMEM;
+ wiphy_unregister(ar->wiphy);
+ goto err_rxbuf_cleanup;
+ }
+
+ ath6kl_dbg(ATH6KL_DBG_TRC, "%s: name=%s dev=0x%p, ar=0x%p\n",
+ __func__, wdev->netdev->name, wdev->netdev, ar);
+
+ ar->fw_recovery.enable = !!recovery_enable;
+ if (!ar->fw_recovery.enable)
+ return ret;
+
+ if (heart_beat_poll &&
+ test_bit(ATH6KL_FW_CAPABILITY_HEART_BEAT_POLL,
+ ar->fw_capabilities))
+ ar->fw_recovery.hb_poll = heart_beat_poll;
+
+ ath6kl_recovery_init(ar);
+
+ return ret;
+
+err_rxbuf_cleanup:
+ ath6kl_debug_cleanup(ar);
+ ath6kl_htc_flush_rx_buf(ar->htc_target);
+ ath6kl_cleanup_amsdu_rxbufs(ar);
+ ath6kl_wmi_shutdown(ar->wmi);
+ clear_bit(WMI_ENABLED, &ar->flag);
+ ar->wmi = NULL;
+err_htc_cleanup:
+ ath6kl_htc_cleanup(ar->htc_target);
+err_power_off:
+ ath6kl_hif_power_off(ar);
+err_bmi_cleanup:
+ ath6kl_bmi_cleanup(ar);
+err_wq:
+ destroy_workqueue(ar->ath6kl_wq);
+
+ return ret;
+}
+EXPORT_SYMBOL(ath6kl_core_init);
+
+struct ath6kl *ath6kl_core_create(struct device *dev)
+{
+ struct ath6kl *ar;
+ u8 ctr;
+
+ ar = ath6kl_cfg80211_create();
+ if (!ar)
+ return NULL;
+
+ ar->p2p = !!ath6kl_p2p;
+ ar->dev = dev;
+
+ ar->vif_max = 1;
+
+ ar->max_norm_iface = 1;
+
+ spin_lock_init(&ar->lock);
+ spin_lock_init(&ar->mcastpsq_lock);
+ spin_lock_init(&ar->list_lock);
+
+ init_waitqueue_head(&ar->event_wq);
+ sema_init(&ar->sem, 1);
+
+ INIT_LIST_HEAD(&ar->amsdu_rx_buffer_queue);
+ INIT_LIST_HEAD(&ar->vif_list);
+
+ clear_bit(WMI_ENABLED, &ar->flag);
+ clear_bit(SKIP_SCAN, &ar->flag);
+ clear_bit(DESTROY_IN_PROGRESS, &ar->flag);
+
+ ar->tx_pwr = 0;
+ ar->intra_bss = 1;
+ ar->lrssi_roam_threshold = DEF_LRSSI_ROAM_THRESHOLD;
+
+ ar->state = ATH6KL_STATE_OFF;
+
+ memset((u8 *)ar->sta_list, 0,
+ AP_MAX_NUM_STA * sizeof(struct ath6kl_sta));
+
+ /* Init the PS queues */
+ for (ctr = 0; ctr < AP_MAX_NUM_STA; ctr++) {
+ spin_lock_init(&ar->sta_list[ctr].psq_lock);
+ skb_queue_head_init(&ar->sta_list[ctr].psq);
+ skb_queue_head_init(&ar->sta_list[ctr].apsdq);
+ ar->sta_list[ctr].mgmt_psq_len = 0;
+ INIT_LIST_HEAD(&ar->sta_list[ctr].mgmt_psq);
+ ar->sta_list[ctr].aggr_conn =
+ kzalloc(sizeof(struct aggr_info_conn), GFP_KERNEL);
+ if (!ar->sta_list[ctr].aggr_conn) {
+ ath6kl_err("Failed to allocate memory for sta aggregation information\n");
+ ath6kl_core_destroy(ar);
+ return NULL;
+ }
+ }
+
+ skb_queue_head_init(&ar->mcastpsq);
+
+ memcpy(ar->ap_country_code, DEF_AP_COUNTRY_CODE, 3);
+
+ return ar;
+}
+EXPORT_SYMBOL(ath6kl_core_create);
+
+void ath6kl_core_cleanup(struct ath6kl *ar)
+{
+ ath6kl_hif_power_off(ar);
+
+ ath6kl_recovery_cleanup(ar);
+
+ destroy_workqueue(ar->ath6kl_wq);
+
+ if (ar->htc_target)
+ ath6kl_htc_cleanup(ar->htc_target);
+
+ ath6kl_cookie_cleanup(ar);
+
+ ath6kl_cleanup_amsdu_rxbufs(ar);
+
+ ath6kl_bmi_cleanup(ar);
+
+ ath6kl_debug_cleanup(ar);
+
+ kfree(ar->fw_board);
+ kfree(ar->fw_otp);
+ vfree(ar->fw);
+ kfree(ar->fw_patch);
+ kfree(ar->fw_testscript);
+
+ ath6kl_cfg80211_cleanup(ar);
+}
+EXPORT_SYMBOL(ath6kl_core_cleanup);
+
+void ath6kl_core_destroy(struct ath6kl *ar)
+{
+ ath6kl_cfg80211_destroy(ar);
+}
+EXPORT_SYMBOL(ath6kl_core_destroy);
+
+MODULE_AUTHOR("Qualcomm Atheros");
+MODULE_DESCRIPTION("Core module for AR600x SDIO and USB devices.");
+MODULE_LICENSE("Dual BSD/GPL");
Code Review / kvmfornfv.git / blobdiff