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+/*
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+ * Copyright (c) 2016-2017 The Linux Foundation. All rights reserved.
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+ *
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+ *
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+ * Permission to use, copy, modify, and/or distribute this software for
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+ * any purpose with or without fee is hereby granted, provided that the
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+ * above copyright notice and this permission notice appear in all
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+ * copies.
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+ *
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+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
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+ * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
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+ * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
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+ * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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+ * PERFORMANCE OF THIS SOFTWARE.
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+ */
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+
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+#include "qdf_mem.h"
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+#include "wlan_lmac_if_def.h"
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+#include "wlan_lmac_if_api.h"
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+#include "wlan_global_lmac_if_api.h"
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+
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+/* Function pointer to call DA/OL specific tx_ops registration function */
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+QDF_STATUS (*wlan_global_lmac_if_tx_ops_register[MAX_DEV_TYPE])
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+ (struct wlan_lmac_if_tx_ops *tx_ops);
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+
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+/**
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+ * wlan_global_lmac_if_rx_ops_register() - Global lmac_if
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+ * rx handler register
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+ * @rx_ops: Pointer to rx_ops structure to be populated
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+ *
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+ * Register lmac_if RX callabacks which will be called by DA/OL/WMA/WMI
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+ *
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+ * Return: QDF_STATUS_SUCCESS - in case of success
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+ */
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+QDF_STATUS
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+wlan_global_lmac_if_rx_ops_register(struct wlan_lmac_if_rx_ops *rx_ops)
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+{
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+ /*
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+ * Component specific public api's to be called to register
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+ * respective callbacks
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+ * Ex: rx_ops->fp = function;
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+ */
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+ if (!rx_ops) {
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+ qdf_print("%s: lmac if rx ops pointer is NULL", __func__);
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+ return QDF_STATUS_E_INVAL;
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+ }
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+ /* Registeration for UMAC componets */
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+ wlan_lmac_if_umac_rx_ops_register(rx_ops);
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+
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+ /* Registeration for componets outside UMAC */
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+
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+ return QDF_STATUS_SUCCESS;
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+}
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+
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+/**
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+ * wlan_global_lmac_if_open() - global lmac_if open
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+ * @psoc: psoc context
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+ *
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+ * Opens up lmac_if southbound layer. This function calls OL,DA and UMAC
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+ * modules to register respective tx and rx callbacks.
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+ *
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+ * Return: QDF_STATUS
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+ */
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+QDF_STATUS wlan_global_lmac_if_open(struct wlan_objmgr_psoc *psoc)
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+{
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+ WLAN_DEV_TYPE dev_type;
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+
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+ dev_type = psoc->soc_nif.phy_type;
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+
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+ if (dev_type == WLAN_DEV_DA || dev_type == WLAN_DEV_OL) {
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+ wlan_global_lmac_if_tx_ops_register[dev_type]
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+ (&psoc->soc_cb.tx_ops);
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+ } else {
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+ /* Control should ideally not reach here */
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+ qdf_print("Invalid device type");
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+ return QDF_STATUS_E_INVAL;
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+ }
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+
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+ /* Function call to register rx-ops handlers */
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+ wlan_global_lmac_if_rx_ops_register(&psoc->soc_cb.rx_ops);
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+
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+ return QDF_STATUS_SUCCESS;
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+}
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+EXPORT_SYMBOL(wlan_global_lmac_if_open);
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+
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+/**
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+ * wlan_global_lmac_if_close() - Close global lmac_if
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+ * @psoc: psoc context
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+ *
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+ * Deregister lmac_if TX and RX handlers
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+ *
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+ * Return: QDF_STATUS_SUCCESS - in case of success
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+ */
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+QDF_STATUS wlan_global_lmac_if_close(struct wlan_objmgr_psoc *psoc)
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+{
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+ qdf_mem_set(&psoc->soc_cb.tx_ops, 0, sizeof(psoc->soc_cb.tx_ops));
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+ qdf_mem_set(&psoc->soc_cb.rx_ops, 0, sizeof(psoc->soc_cb.rx_ops));
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+
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+ return QDF_STATUS_SUCCESS;
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+}
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+EXPORT_SYMBOL(wlan_global_lmac_if_close);
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+
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+/**
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+ * wlan_global_lmac_if_set_txops_registration_cb() - tx
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+ * registration callback assignment
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+ * @dev_type: Dev type can be either Direct attach or Offload
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+ * @handler: handler to be called for LMAC tx ops registration
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+ *
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+ * API to assign appropriate tx registration callback handler based on the
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+ * device type(Offload or Direct attach)
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+ *
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+ * Return: QDF_STATUS_SUCCESS - in case of success
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+ */
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+QDF_STATUS wlan_global_lmac_if_set_txops_registration_cb(WLAN_DEV_TYPE dev_type,
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+ QDF_STATUS (*handler)(struct wlan_lmac_if_tx_ops *))
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+{
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+ wlan_global_lmac_if_tx_ops_register[dev_type] = handler;
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+
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+ return QDF_STATUS_SUCCESS;
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+}
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+EXPORT_SYMBOL(wlan_global_lmac_if_set_txops_registration_cb);
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Soumya Bhat