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qcacmn: Implementation of SKB Frag Debug Framework

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SKB frag debug framework is required for debug purpose of frag based
approach in monitor mode

Change-Id: Ic7a5a2c3d7397c4d7dd2c5db32802b0f694e6101
CRs-Fixed: 2736136
This commit is contained in:
Harsh Kumar Bijlani
2020-07-13 20:02:31 +05:30
committed by snandini
parent ffaafd74ef
commit d47e448d58
8 changed files with 1299 additions and 37 deletions
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79
qdf/linux/src/i_qdf_nbuf_frag.h
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@@ -27,11 +27,76 @@
#include <qdf_net_types.h>
#include <qdf_mem.h>
#define QDF_NBUF_FRAG_DEBUG_COUNT_ZERO 0
#define QDF_NBUF_FRAG_DEBUG_COUNT_ONE 1
/**
* typedef __qdf_frag_t - Abstraction for void * for frag address
*/
typedef void *__qdf_frag_t;
#ifdef QDF_NBUF_FRAG_GLOBAL_COUNT
/**
* __qdf_frag_count_get() - Get global frag count
*
* Return: Global frag gauge
*/
uint32_t __qdf_frag_count_get(void);
/**
* __qdf_frag_count_inc() - Increment frag global count
* @value: Increment value
*
* Return: none
*/
void __qdf_frag_count_inc(uint32_t value);
/**
* __qdf_frag_count_dec() - Decrement frag global count
* @value: Decrement value
*
* Return: none
*/
void __qdf_frag_count_dec(uint32_t value);
/*
* __qdf_frag_mod_init() - Initialization routine for qdf_frag
*
* Return: none
*/
void __qdf_frag_mod_init(void);
/**
* __qdf_frag_mod_exit() - Uninitialization routine for qdf_frag
*
* Return: none
*/
void __qdf_frag_mod_exit(void);
#else
static inline uint32_t __qdf_frag_count_get(void)
{
return 0;
}
static inline void __qdf_frag_count_inc(uint32_t value)
{
}
static inline void __qdf_frag_count_dec(uint32_t value)
{
}
static inline void __qdf_frag_mod_init(void)
{
}
static inline void __qdf_frag_mod_exit(void)
{
}
#endif /* QDF_NBUF_FRAG_GLOBAL_COUNT */
/**
* Maximum number of frags an SKB can hold
*/
@@ -64,10 +129,15 @@ QDF_STATUS __qdf_mem_map_page(qdf_device_t osdev, __qdf_frag_t buf,
/**
* __qdf_frag_free() - Free allocated frag memory
* @vaddr: Frag address to be freed
*
* Return: none
*/
static inline void __qdf_frag_free(__qdf_frag_t vaddr)
{
skb_free_frag(vaddr);
if (qdf_likely(vaddr)) {
skb_free_frag(vaddr);
__qdf_frag_count_dec(QDF_NBUF_FRAG_DEBUG_COUNT_ONE);
}
}
/**
@@ -78,6 +148,11 @@ static inline void __qdf_frag_free(__qdf_frag_t vaddr)
*/
static inline __qdf_frag_t __qdf_frag_alloc(unsigned int fragsz)
{
return netdev_alloc_frag(fragsz);
__qdf_frag_t p_frag = netdev_alloc_frag(fragsz);
if (p_frag)
__qdf_frag_count_inc(QDF_NBUF_FRAG_DEBUG_COUNT_ONE);
return p_frag;
}
#endif /* _I_QDF_NBUF_FRAG_H */