| /* |
| * Copyright (c) 2014 The Linux Foundation. All rights reserved. |
| * |
| * Previously licensed under the ISC license by 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. |
| */ |
| |
| /* |
| * This file was originally distributed by Qualcomm Atheros, Inc. |
| * under proprietary terms before Copyright ownership was assigned |
| * to the Linux Foundation. |
| */ |
| |
| |
| /**========================================================================= |
| |
| \file vos_Types.c |
| |
| \brief virtual Operating System Servies (vOS) |
| |
| Basic type definitions |
| |
| ========================================================================*/ |
| |
| /* $Header$ */ |
| |
| /*-------------------------------------------------------------------------- |
| Include Files |
| ------------------------------------------------------------------------*/ |
| #include "vos_types.h" |
| #include "vos_trace.h" |
| |
| //#include "wlan_libra_config.h" |
| |
| /*-------------------------------------------------------------------------- |
| Preprocessor definitions and constants |
| ------------------------------------------------------------------------*/ |
| |
| /*-------------------------------------------------------------------------- |
| Type declarations |
| ------------------------------------------------------------------------*/ |
| |
| /*---------------------------------------------------------------------------- |
| |
| \brief vos_atomic_set - set a variable atomically |
| |
| \param pTarget - pointer to the uintptr_t to set. |
| |
| \param value - the value to set in the uintptr_t variable. |
| |
| \return This function returns the value previously in the uintptr_t before |
| the new value is set. |
| |
| \sa vos_atomic_increment_U32(), vos_atomic_decrement_U32() |
| |
| --------------------------------------------------------------------------*/ |
| uintptr_t vos_atomic_set( uintptr_t *pTarget, uintptr_t value ) |
| { |
| uintptr_t oldval; |
| unsigned long flags; |
| |
| if (pTarget == NULL) |
| { |
| VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, "NULL ptr passed into %s",__func__); |
| return 0; |
| } |
| local_irq_save(flags); |
| oldval = *pTarget; |
| *pTarget = value; |
| local_irq_restore(flags); |
| // v_U32_t prev = atomic_read(pTarget); |
| // atomic_set(pTarget, value); |
| return oldval; |
| } |
| |
| |
| /*---------------------------------------------------------------------------- |
| |
| \brief vos_atomic_increment_U32() - Increment a U32 variable atomically |
| |
| \param pTarget - pointer to the v_U32_t to increment. |
| |
| \return This function returns the value of the variable after the |
| increment occurs. |
| |
| \sa vos_atomic_decrement_U32(), vos_atomic_set_U32() |
| |
| --------------------------------------------------------------------------*/ |
| v_U32_t vos_atomic_increment_U32( v_U32_t *pTarget ) |
| { |
| unsigned long flags; |
| if (pTarget == NULL) |
| { |
| VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, "NULL ptr passed into %s",__func__); |
| return 0; |
| } |
| local_irq_save(flags); |
| ++*pTarget; |
| local_irq_restore(flags); |
| return *pTarget; |
| // return atomic_inc_return(pTarget); |
| } |
| |
| |
| /*---------------------------------------------------------------------------- |
| |
| \brief vos_atomic_decrement_U32() - Decrement a U32 variable atomically |
| |
| \param pTarget - pointer to the v_U32_t to decrement. |
| |
| \return This function returns the value of the variable after the |
| decrement occurs. |
| |
| \sa vos_atomic_increment_U32(), vos_atomic_set_U32() |
| |
| --------------------------------------------------------------------------*/ |
| v_U32_t vos_atomic_decrement_U32( v_U32_t *pTarget ) |
| { |
| unsigned long flags; |
| if (pTarget == NULL) |
| { |
| VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, "NULL ptr passed into %s",__func__); |
| return 0; |
| } |
| // return atomic_dec_return(pTarget); |
| local_irq_save(flags); |
| --*pTarget; |
| local_irq_restore(flags); |
| return (*pTarget); |
| } |
| |
| v_U32_t vos_atomic_increment_U32_by_value( v_U32_t *pTarget, v_U32_t value ) |
| { |
| unsigned long flags; |
| if (pTarget == NULL) |
| { |
| VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, "NULL ptr passed into %s",__func__); |
| return 0; |
| } |
| local_irq_save(flags); |
| *pTarget += value ; |
| local_irq_restore(flags); |
| return (*pTarget); |
| } |
| |
| v_U32_t vos_atomic_decrement_U32_by_value( v_U32_t *pTarget, v_U32_t value ) |
| { |
| unsigned long flags; |
| if (pTarget == NULL) |
| { |
| VOS_TRACE(VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR, "NULL ptr passed into %s",__func__); |
| return 0; |
| } |
| local_irq_save(flags); |
| *pTarget -= value ; |
| local_irq_restore(flags); |
| return (*pTarget); |
| |
| } |
| |
| |
| v_U32_t vos_get_skip_ssid_check(void) |
| { |
| /**This is needed by only AMSS for interoperatability **/ |
| |
| return 1; |
| } |
| |
| |
| v_U32_t vos_get_skip_11e_check(void) |
| { |
| /* this is needed only for AMSS for interopratability **/ |
| return 1; |
| } |