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qcacmn: Use page_frag_cache to avoid fragmentation

Forráskód böngészése 
Use page_frag_cache to avoid memory fragmentation
in WKK RxMON

CRs-Fixed: 3234833
Change-Id: I2e42a41999694a91b0f3f9386a1ad0c691bf5caf
This commit is contained in:
Amir Patel
2022-07-03 18:27:42 +05:30
committed by Madan Koyyalamudi
szülő 7cc4edf06c
commit 09ae481644
7 fájl változott, egészen pontosan 97 új sor hozzáadva és 11 régi sor törölve
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38
qdf/linux/src/i_qdf_nbuf_frag.h
Fájl megtekintése

@@ -1,5 +1,6 @@
/*
* Copyright (c) 2020 The Linux Foundation. All rights reserved.
* Copyright (c) 2022 Qualcomm Innovation Center, Inc. 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
@@ -30,6 +31,11 @@
#define QDF_NBUF_FRAG_DEBUG_COUNT_ZERO 0
#define QDF_NBUF_FRAG_DEBUG_COUNT_ONE 1
/**
* typedef __qdf_frag_cache_t - Abstraction for void * for frag address
*/
typedef struct page_frag_cache __qdf_frag_cache_t;
/**
* typedef __qdf_frag_t - Abstraction for void * for frag address
*/
@@ -126,6 +132,14 @@ QDF_STATUS __qdf_mem_map_page(qdf_device_t osdev, __qdf_frag_t buf,
qdf_dma_dir_t dir, size_t nbytes,
qdf_dma_addr_t *phy_addr);
/**
* __qdf_frag_cache_drain() - Drain page frag cache
* @pf_cache: page frag cache
*
* Return: void
*/
void __qdf_frag_cache_drain(__qdf_frag_cache_t *pf_cache);
/**
* __qdf_frag_free() - Free allocated frag memory
* @vaddr: Frag address to be freed
@@ -142,17 +156,39 @@ static inline void __qdf_frag_free(__qdf_frag_t vaddr)
/**
* __qdf_frag_alloc() - Allocate frag Memory
* @pf_cache: page frag cache
* @fragsz: Size of frag memory to be allocated
*
* Return: Allocated frag addr.
*/
static inline __qdf_frag_t __qdf_frag_alloc(unsigned int fragsz)
#if defined(QDF_FRAG_CACHE_SUPPORT)
static inline __qdf_frag_t __qdf_frag_alloc(__qdf_frag_cache_t *pf_cache,
unsigned int fragsz)
{
__qdf_frag_t p_frag;
if (pf_cache) {
unsigned int sz = SKB_DATA_ALIGN(fragsz);
p_frag = page_frag_alloc(pf_cache, sz, GFP_ATOMIC);
} else {
p_frag = netdev_alloc_frag(fragsz);
}
if (p_frag)
__qdf_frag_count_inc(QDF_NBUF_FRAG_DEBUG_COUNT_ONE);
return p_frag;
}
#else
static inline __qdf_frag_t __qdf_frag_alloc(__qdf_frag_cache_t *pf_cache,
unsigned int 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
#endif /* _I_QDF_NBUF_FRAG_H */