| /* |
| * Copyright (c) 2013-2016 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. |
| */ |
| |
| #if !defined( __WLAN_HDD_DP_UTILS_H ) |
| #define __WLAN_HDD_DP_UTILS_H |
| |
| /**============================================================================= |
| wlan_hdd_dp_utils.h |
| |
| \brief Utility functions for data path module |
| |
| Description... |
| |
| ==============================================================================**/ |
| /* $HEADER$ */ |
| |
| /**----------------------------------------------------------------------------- |
| Include files |
| ----------------------------------------------------------------------------*/ |
| #include <linux/list.h> |
| #include <vos_types.h> |
| #include <linux/kernel.h> |
| #include <i_vos_types.h> |
| #include <vos_status.h> |
| #include <linux/spinlock.h> |
| #include <vos_trace.h> |
| #include <vos_list.h> |
| |
| /**----------------------------------------------------------------------------- |
| Preprocessor definitions and constants |
| ----------------------------------------------------------------------------*/ |
| |
| /**----------------------------------------------------------------------------- |
| Type declarations |
| ----------------------------------------------------------------------------*/ |
| typedef struct list_head hdd_list_node_t; |
| |
| typedef struct hdd_list_s |
| { |
| hdd_list_node_t anchor; |
| v_SIZE_t count; |
| v_SIZE_t max_size; |
| spinlock_t lock; |
| } hdd_list_t; |
| |
| typedef struct |
| { |
| hdd_list_node_t anchor; |
| struct sk_buff *skb; |
| int userPriority; |
| } skb_list_node_t; |
| |
| //FIXME Need a helper function to cleanup skbs in a queue. Required for cleanup/shutdown |
| |
| /**----------------------------------------------------------------------------- |
| Function declarations and documentation |
| ----------------------------------------------------------------------------*/ |
| VOS_INLINE_FN v_VOID_t hdd_list_init( hdd_list_t *pList, v_SIZE_t max_size) |
| { |
| INIT_LIST_HEAD( &pList->anchor ); |
| pList->count = 0; |
| pList->max_size = max_size; |
| spin_lock_init(&pList->lock); |
| } |
| |
| VOS_INLINE_FN v_VOID_t hdd_list_destroy( hdd_list_t *pList ) |
| { |
| if ( pList->count !=0 ) |
| { |
| VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_INFO_HIGH, "%s: list length not equal to zero",__func__); |
| } |
| } |
| |
| VOS_INLINE_FN v_VOID_t hdd_list_size( hdd_list_t *pList, v_SIZE_t *pSize ) |
| { |
| *pSize = pList->count; |
| } |
| |
| VOS_STATUS hdd_list_insert_front( hdd_list_t *pList, hdd_list_node_t *pNode ); |
| |
| VOS_STATUS hdd_list_insert_back( hdd_list_t *pList, hdd_list_node_t *pNode ); |
| |
| VOS_STATUS hdd_list_insert_back_size( hdd_list_t *pList, hdd_list_node_t *pNode, v_SIZE_t *pSize ); |
| |
| VOS_STATUS hdd_list_remove_front( hdd_list_t *pList, hdd_list_node_t **ppNode ); |
| |
| VOS_STATUS hdd_list_remove_back( hdd_list_t *pList, hdd_list_node_t **ppNode ); |
| |
| VOS_STATUS hdd_list_remove_node( hdd_list_t *pList, hdd_list_node_t *pNodeToRemove ); |
| VOS_STATUS hdd_list_peek_front( hdd_list_t *pList, hdd_list_node_t **ppNode ); |
| VOS_STATUS hdd_list_peek_next( hdd_list_t *pList, hdd_list_node_t *pNode, |
| hdd_list_node_t **ppNode ); |
| VOS_STATUS hdd_string_to_hex( char *pSrcMac, int length, char *pDescMac ); |
| struct hdd_adapter_s; |
| #ifdef QCA_FEATURE_RPS |
| void hdd_dp_util_send_rps_ind(struct hdd_adapter_s *adapter); |
| #else |
| static inline void hdd_dp_util_send_rps_ind(struct hdd_adapter_s *adapter) |
| { |
| return; |
| } |
| #endif /* QCA_FEATURE_RPS */ |
| #endif //__WLAN_HDD_DP_UTILS_H |