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qcacmn: Lockless access of reo destination rings

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Remove lock to access REO destination rings because 4 rings are
accessed in 4 individual cores.

Change-Id: Ia3f92cc5136dbdbeea1e9cda8d52b474356a3e1a
CRs-Fixed: 2660901
This commit is contained in:
Varsha Mishra
2020-04-09 22:41:40 +05:30
committed by nshrivas
parent e627f57405
commit 4c39342f6a
2 changed files with 49 additions and 2 deletions
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4
dp/wifi3.0/dp_rx.c
View File

@@ -1886,7 +1886,7 @@ more_data:
qdf_mem_zero(head, sizeof(head)); qdf_mem_zero(head, sizeof(head));
qdf_mem_zero(tail, sizeof(tail)); qdf_mem_zero(tail, sizeof(tail));
if (qdf_unlikely(dp_srng_access_start(int_ctx, soc, hal_ring_hdl))) { if (qdf_unlikely(dp_rx_srng_access_start(int_ctx, soc, hal_ring_hdl))) {
/* /*
* Need API to convert from hal_ring pointer to * Need API to convert from hal_ring pointer to
@@ -2081,7 +2081,7 @@ more_data:
break; break;
} }
done: done:
dp_srng_access_end(int_ctx, soc, hal_ring_hdl); dp_rx_srng_access_end(int_ctx, soc, hal_ring_hdl);
for (mac_id = 0; mac_id < MAX_PDEV_CNT; mac_id++) { for (mac_id = 0; mac_id < MAX_PDEV_CNT; mac_id++) {
/* /*

47
dp/wifi3.0/dp_rx.h
View File

@@ -1192,4 +1192,51 @@ void dp_rx_deliver_to_stack(struct dp_soc *soc,
qdf_nbuf_t nbuf_head, qdf_nbuf_t nbuf_head,
qdf_nbuf_t nbuf_tail); qdf_nbuf_t nbuf_tail);
#ifdef QCA_OL_RX_LOCK_LESS_ACCESS
/*
* dp_rx_ring_access_start()- Wrapper function to log access start of a hal ring
* @int_ctx: pointer to DP interrupt context
* @dp_soc - DP soc structure pointer
* @hal_ring_hdl - HAL ring handle
*
* Return: 0 on success; error on failure
*/
static inline int
dp_rx_srng_access_start(struct dp_intr *int_ctx, struct dp_soc *soc,
hal_ring_handle_t hal_ring_hdl)
{
return hal_srng_access_start_unlocked(soc->hal_soc, hal_ring_hdl);
}
/*
* dp_rx_ring_access_end()- Wrapper function to log access end of a hal ring
* @int_ctx: pointer to DP interrupt context
* @dp_soc - DP soc structure pointer
* @hal_ring_hdl - HAL ring handle
*
* Return - None
*/
static inline void
dp_rx_srng_access_end(struct dp_intr *int_ctx, struct dp_soc *soc,
hal_ring_handle_t hal_ring_hdl)
{
hal_srng_access_end_unlocked(soc->hal_soc, hal_ring_hdl);
}
#else
static inline int
dp_rx_srng_access_start(struct dp_intr *int_ctx, struct dp_soc *soc,
hal_ring_handle_t hal_ring_hdl)
{
return dp_srng_access_start(int_ctx, soc, hal_ring_hdl);
}
static inline void
dp_rx_srng_access_end(struct dp_intr *int_ctx, struct dp_soc *soc,
hal_ring_handle_t hal_ring_hdl)
{
dp_srng_access_end(int_ctx, soc, hal_ring_hdl);
}
#endif
#endif /* _DP_RX_H */ #endif /* _DP_RX_H */