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qcacmn: DP RX changes for RX buffer pool support

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DP RX changes to support RX buffer pool, this is a pre-allocated pool
of buffers which will be utilized during low memory conditions.

Change-Id: I8d89a865f989d4e88c10390861e9d4be72ae0299
CRs-Fixed: 2731517
This commit is contained in:
Manikanta Pubbisetty
2020-07-20 13:35:43 +05:30
committed by snandini
parent ea9aadb12d
commit fa2844b787
8 changed files with 106 additions and 18 deletions
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22
dp/wifi3.0/dp_rx.h
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@@ -1422,4 +1422,26 @@ static inline void dp_rx_wbm_sg_list_deinit(struct dp_soc *soc)
dp_rx_wbm_sg_list_reset(soc);
}
}
#ifdef WLAN_FEATURE_RX_PREALLOC_BUFFER_POOL
#define DP_RX_PROCESS_NBUF(soc, head, tail, ebuf_head, ebuf_tail, rx_desc) \
do { \
if (!soc->rx_buff_pool[rx_desc->pool_id].is_initialized) { \
DP_RX_LIST_APPEND(head, tail, rx_desc->nbuf); \
break; \
} \
DP_RX_LIST_APPEND(ebuf_head, ebuf_tail, rx_desc->nbuf); \
if (!qdf_nbuf_is_rx_chfrag_cont(rx_desc->nbuf)) { \
if (!dp_rx_buffer_pool_refill(soc, ebuf_head, \
rx_desc->pool_id)) \
DP_RX_MERGE_TWO_LIST(head, tail, \
ebuf_head, ebuf_tail);\
ebuf_head = NULL; \
ebuf_tail = NULL; \
} \
} while (0)
#else
#define DP_RX_PROCESS_NBUF(soc, head, tail, ebuf_head, ebuf_tail, rx_desc) \
DP_RX_LIST_APPEND(head, tail, rx_desc->nbuf)
#endif /* WLAN_FEATURE_RX_PREALLOC_BUFFER_POOL */
#endif /* _DP_RX_H */