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qcacmn: Framework for umac south-bound interface

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Add framework in UMAC to access LMAC and to be accessed
by LMAC through callback APIs

Change-Id: Ie829f3ba90fbc399d993d862dbf5f9ad348e3bbd
CRs-Fixed: 1096016
This commit is contained in:
Soumya Bhat 2016-12-14 16:31:10 +05:30 • committed by qcabuildsw
commit 604dae04f4
4 changed files with 264 additions and 2 deletions
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8
umac/cmn_services/obj_mgr/inc/wlan_objmgr_psoc_obj.h
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@ -23,6 +23,7 @@
#define _WLAN_OBJMGR_PSOC_OBJ_H_
#include "wlan_objmgr_cmn.h"
#include "wlan_lmac_if_def.h"
#define REG_DMN_CH144 0x0001
#define REG_DMN_ENTREPRISE 0x0002
@ -205,10 +206,13 @@ struct wlan_objmgr_psoc_objmgr {
};
/**
* struct wlan_soc_southbound_cb - structure for south bound callbacks
*
* struct wlan_soc_southbound_cb - Southbound callbacks
* @tx_ops: contains southbound tx callbacks
* @rx_ops: contains southbound rx callbacks
*/
struct wlan_soc_southbound_cb {
struct wlan_lmac_if_tx_ops tx_ops;
struct wlan_lmac_if_rx_ops rx_ops;
};
/**

71
umac/global_umac_dispatcher/lmac_if/inc/wlan_lmac_if_api.h Normal file
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@ -0,0 +1,71 @@
/*
* Copyright (c) 2016 The Linux Foundation. All rights reserved.
*
*
* 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.
*/
#ifndef _WLAN_LMAC_IF_API_H_
#define _WLAN_LMAC_IF_API_H_
#include "wlan_objmgr_cmn.h"
#include "wlan_objmgr_psoc_obj.h"
/**
* wlan_lmac_if_open() - lmac_if open
* @psoc: psoc context
*
* Opens up lmac_if southbound layer. This function calls OL,DA and UMAC
* modules to register respective tx and rx callbacks.
*
* Return: Pointer to global psoc object
*/
struct wlan_objmgr_psoc *wlan_lmac_if_open(struct wlan_objmgr_psoc *psoc);
/**
* wlan_lmac_if_register_rx_handlers() - UMAC rx handler register
* @rx_ops: Pointer to rx_ops structure to be populated
*
* Register umac RX callabacks which will be called by DA/OL/WMA/WMI
*
* Return: QDF_STATUS_SUCCESS - in case of success
*/
QDF_STATUS wlan_lmac_if_register_rx_handlers
(struct wlan_lmac_if_rx_ops *rx_ops);
/**
* wlan_lmac_if_close() - Close lmac_if
* @psoc: psoc context
*
* Deregister lmac_if TX and RX handlers
*
* Return: QDF_STATUS_SUCCESS - in case of success
*/
QDF_STATUS wlan_lmac_if_close(struct wlan_objmgr_psoc *psoc);
/**
* wlan_lmac_if_assign_tx_registration_cb() -tx registration callback assignment
* @dev_type: Dev type can be either Direct attach or Offload
* @handler: handler to be called for LMAC tx ops registration
*
* API to assign appropriate tx registration callback handler based on the
* device type(Offload or Direct attach)
*
* Return: QDF_STATUS_SUCCESS - in case of success
*/
QDF_STATUS wlan_lmac_if_assign_tx_registration_cb(WLAN_DEV_TYPE dev_type,
QDF_STATUS (*handler)(struct wlan_lmac_if_tx_ops *));
#endif /* _WLAN_LMAC_IF_API_H */

73
umac/global_umac_dispatcher/lmac_if/inc/wlan_lmac_if_def.h Normal file
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@ -0,0 +1,73 @@
/*
* Copyright (c) 2016 The Linux Foundation. All rights reserved.
*
*
* 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.
*/
#ifndef _WLAN_LMAC_IF_DEF_H_
#define _WLAN_LMAC_IF_DEF_H_
/* Number of dev type: Direct attach and Offload */
#define MAX_DEV_TYPE 2
/**
* struct wlan_lmac_if_tx_ops - south bound tx function pointers
* @arg1
* @arg2
*
* Callback function tabled to be registered with umac.
* umac will use the functional table to send events/frames to lmac/wmi
*/
struct wlan_lmac_if_tx_ops {
/* Components to declare function pointers required by the module
* in component specific structure.
* Ex : scan module
* struct wlan_lmac_if_scan_tx_ops scan_tx_ops;
* The component specific ops structure can be declared in this file
* only
* struct wlan_lmac_if_scan_tx_ops {
* int (*fp1)();
* void (*fp2)();
* }
*/
};
/**
* struct wlan_lmac_if_rx_ops - south bound rx function pointers
* @arg1
* @arg2
*
* Callback function tabled to be registered with lmac/wmi.
* lmac will use the functional table to send events/frames to umac
*/
struct wlan_lmac_if_rx_ops {
/* Components to declare function pointers required by the module
* in component specific structure.
* Ex : scan module
* struct wlan_lmac_if_scan_rx_ops scan_rx_ops;
* The component specific ops structure can be declared in this file
* only
* struct wlan_lmac_if_scan_rx_ops {
* int (*fp1)();
* void (*fp2)();
* }
*/
};
#endif /* _WLAN_LMAC_IF_DEF_H_ */

114
umac/global_umac_dispatcher/lmac_if/src/wlan_lmac_if.c Normal file
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@ -0,0 +1,114 @@
/*
* Copyright (c) 2016 The Linux Foundation. All rights reserved.
*
*
* 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 "qdf_mem.h"
#include "wlan_lmac_if_def.h"
#include "wlan_lmac_if_api.h"
/* Function pointer to call DA/OL specific tx_ops registration function */
QDF_STATUS (*wlan_lmac_if_tx_ops_create_handler[MAX_DEV_TYPE])
(struct wlan_lmac_if_tx_ops *tx_ops);
/**
* wlan_lmac_if_register_rx_handlers() - UMAC rx handler register
* @rx_ops: Pointer to rx_ops structure to be populated
*
* Register umac RX callabacks which will be called by DA/OL/WMA/WMI
*
* Return: QDF_STATUS_SUCCESS - in case of success
*/
QDF_STATUS
wlan_lmac_if_register_rx_handlers(struct wlan_lmac_if_rx_ops *rx_ops)
{
/* Component specific public api's to be called to register
* respective callbacks
* Ex: rx_ops->fp = function;
*/
return QDF_STATUS_SUCCESS;
}
/**
* wlan_lmac_if_open() - lmac_if open
* @psoc: psoc context
*
* Opens up lmac_if southbound layer. This function calls OL,DA and UMAC
* modules to register respective tx and rx callbacks.
*
* Return: Pointer to global psoc object
*/
struct wlan_objmgr_psoc *wlan_lmac_if_open(struct wlan_objmgr_psoc *psoc)
{
WLAN_DEV_TYPE dev_type;
dev_type = psoc->soc_nif.phy_type;
if (dev_type == WLAN_DEV_DA) {
wlan_lmac_if_tx_ops_create_handler[WLAN_DEV_DA]
(&psoc->soc_cb.tx_ops);
} else if (dev_type == WLAN_DEV_OL) {
wlan_lmac_if_tx_ops_create_handler[WLAN_DEV_OL]
(&psoc->soc_cb.tx_ops);
} else {
/* Control should ideally not reach here */
qdf_print("Invalid device type\n");
return psoc;
}
/* Function call into umac to register rx-ops handlers */
wlan_lmac_if_register_rx_handlers(&psoc->soc_cb.rx_ops);
return psoc;
}
EXPORT_SYMBOL(wlan_lmac_if_open);
/**
* wlan_lmac_if_close() - Close lmac_if
* @psoc: psoc context
*
* Deregister lmac_if TX and RX handlers
*
* Return: QDF_STATUS_SUCCESS - in case of success
*/
QDF_STATUS wlan_lmac_if_close(struct wlan_objmgr_psoc *psoc)
{
qdf_mem_set(&psoc->soc_cb.tx_ops, 0, sizeof(psoc->soc_cb.tx_ops));
qdf_mem_set(&psoc->soc_cb.rx_ops, 0, sizeof(psoc->soc_cb.rx_ops));
return QDF_STATUS_SUCCESS;
}
EXPORT_SYMBOL(wlan_lmac_if_close);
/**
* wlan_lmac_if_assign_tx_registration_cb() -tx registration callback assignment
* @dev_type: Dev type can be either Direct attach or Offload
* @handler: handler to be called for LMAC tx ops registration
*
* API to assign appropriate tx registration callback handler based on the
* device type(Offload or Direct attach)
*
* Return: QDF_STATUS_SUCCESS - in case of success
*/
QDF_STATUS wlan_lmac_if_assign_tx_registration_cb(WLAN_DEV_TYPE dev_type,
QDF_STATUS (*handler)(struct wlan_lmac_if_tx_ops *))
{
wlan_lmac_if_tx_ops_create_handler[dev_type] = handler;
return QDF_STATUS_SUCCESS;
}
EXPORT_SYMBOL(wlan_lmac_if_assign_tx_registration_cb);