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qcacmn: Do Batched invalidate of tx completion descriptor

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Do batched invalidate of tx completion descriptor to avoid
unnecessary D-cache miss for 32 byte size descriptor.

Change-Id: Ia580fe78dcef5b36f117aaad171a2df6d0e34966
This commit is contained in:
Neha Bisht
2019-11-11 13:55:28 +05:30
committed by nshrivas
parent da011044aa
commit 9aa9221c98
3 changed files with 193 additions and 37 deletions
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22
dp/wifi3.0/dp_tx.c
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@@ -3599,6 +3599,7 @@ uint32_t dp_tx_comp_handler(struct dp_intr *int_ctx, struct dp_soc *soc,
struct dp_tx_desc_s *tail_desc = NULL;
uint32_t num_processed = 0;
uint32_t count = 0;
uint32_t num_avail_for_reap = 0;
bool force_break = false;
DP_HIST_INIT();
@@ -3612,9 +3613,18 @@ more_data:
return 0;
}
num_avail_for_reap = hal_srng_dst_num_valid(soc->hal_soc, hal_ring_hdl, 0);
if (num_avail_for_reap >= quota)
num_avail_for_reap = quota;
dp_srng_dst_inv_cached_descs(soc, hal_ring_hdl, num_avail_for_reap);
/* Find head descriptor from completion ring */
while (qdf_likely(tx_comp_hal_desc =
hal_srng_dst_get_next(soc->hal_soc, hal_ring_hdl))) {
while (qdf_likely(num_avail_for_reap)) {
tx_comp_hal_desc = dp_srng_dst_get_next(soc, hal_ring_hdl);
if (qdf_unlikely(!tx_comp_hal_desc))
break;
buffer_src = hal_tx_comp_get_buffer_source(tx_comp_hal_desc);
@@ -3756,10 +3766,6 @@ more_data:
* Processed packet count is more than given quota
* stop to processing
*/
if (num_processed >= quota) {
force_break = true;
break;
}
count++;
@@ -3774,6 +3780,10 @@ more_data:
dp_tx_comp_process_desc_list(soc, head_desc, ring_id);
if (dp_tx_comp_enable_eol_data_check(soc)) {
if (num_processed >= quota)
force_break = true;
if (!force_break &&
hal_srng_dst_peek_sync_locked(soc->hal_soc,
hal_ring_hdl)) {