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qcacmn: Add near-full irq handler for TX completion ring

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Add the handler to process the near-full condition
on the tx completion ring.

Change-Id: I547cd27d2a8a347fca1cebc6b27072f2d1d8a99d
CRs-Fixed: 2965081
This commit is contained in:
Rakesh Pillai
2021-04-08 04:15:49 -07:00
committed by Madan Koyyalamudi
parent 5605d45923
commit 813b3bb474
6 changed files with 106 additions and 14 deletions
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57
dp/wifi3.0/dp_tx.c
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@@ -4355,13 +4355,13 @@ void dp_tx_process_htt_completion(struct dp_soc *soc,
#ifdef WLAN_FEATURE_RX_SOFTIRQ_TIME_LIMIT
static inline
bool dp_tx_comp_loop_pkt_limit_hit(struct dp_soc *soc, int num_reaped)
bool dp_tx_comp_loop_pkt_limit_hit(struct dp_soc *soc, int num_reaped,
int max_reap_limit)
{
bool limit_hit = false;
struct wlan_cfg_dp_soc_ctxt *cfg = soc->wlan_cfg_ctx;
limit_hit =
(num_reaped >= cfg->tx_comp_loop_pkt_limit) ? true : false;
(num_reaped >= max_reap_limit) ? true : false;
if (limit_hit)
DP_STATS_INC(soc, tx.tx_comp_loop_pkt_limit_hit, 1);
@@ -4373,9 +4373,17 @@ static inline bool dp_tx_comp_enable_eol_data_check(struct dp_soc *soc)
{
return soc->wlan_cfg_ctx->tx_comp_enable_eol_data_check;
}
static inline int dp_tx_comp_get_loop_pkt_limit(struct dp_soc *soc)
{
struct wlan_cfg_dp_soc_ctxt *cfg = soc->wlan_cfg_ctx;
return cfg->tx_comp_loop_pkt_limit;
}
#else
static inline
bool dp_tx_comp_loop_pkt_limit_hit(struct dp_soc *soc, int num_reaped)
bool dp_tx_comp_loop_pkt_limit_hit(struct dp_soc *soc, int num_reaped,
int max_reap_limit)
{
return false;
}
@@ -4384,6 +4392,28 @@ static inline bool dp_tx_comp_enable_eol_data_check(struct dp_soc *soc)
{
return false;
}
static inline int dp_tx_comp_get_loop_pkt_limit(struct dp_soc *soc)
{
return 0;
}
#endif
#ifdef WLAN_FEATURE_NEAR_FULL_IRQ
static inline int
dp_srng_test_and_update_nf_params(struct dp_soc *soc, struct dp_srng *dp_srng,
int *max_reap_limit)
{
return soc->arch_ops.dp_srng_test_and_update_nf_params(soc, dp_srng,
max_reap_limit);
}
#else
static inline int
dp_srng_test_and_update_nf_params(struct dp_soc *soc, struct dp_srng *dp_srng,
int *max_reap_limit)
{
return 0;
}
#endif
uint32_t dp_tx_comp_handler(struct dp_intr *int_ctx, struct dp_soc *soc,
@@ -4399,6 +4429,8 @@ uint32_t dp_tx_comp_handler(struct dp_intr *int_ctx, struct dp_soc *soc,
uint32_t count;
uint32_t num_avail_for_reap = 0;
bool force_break = false;
struct dp_srng *tx_comp_ring = &soc->tx_comp_ring[ring_id];
int max_reap_limit, ring_near_full;
DP_HIST_INIT();
@@ -4407,6 +4439,10 @@ more_data:
head_desc = NULL;
tail_desc = NULL;
count = 0;
max_reap_limit = dp_tx_comp_get_loop_pkt_limit(soc);
ring_near_full = dp_srng_test_and_update_nf_params(soc, tx_comp_ring,
&max_reap_limit);
if (qdf_unlikely(dp_srng_access_start(int_ctx, soc, hal_ring_hdl))) {
dp_err("HAL RING Access Failed -- %pK", hal_ring_hdl);
@@ -4561,7 +4597,7 @@ next_desc:
count++;
if (dp_tx_comp_loop_pkt_limit_hit(soc, count))
if (dp_tx_comp_loop_pkt_limit_hit(soc, count, max_reap_limit))
break;
}
@@ -4571,6 +4607,17 @@ next_desc:
if (head_desc)
dp_tx_comp_process_desc_list(soc, head_desc, ring_id);
/*
* If we are processing in near-full condition, there are 3 scenario
* 1) Ring entries has reached critical state
* 2) Ring entries are still near high threshold
* 3) Ring entries are below the safe level
*
* One more loop will move te state to normal processing and yield
*/
if (ring_near_full)
goto more_data;
if (dp_tx_comp_enable_eol_data_check(soc)) {
if (num_processed >= quota)