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qcacmn: Force free leaking TX completion in PERF build

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When TX completion entires are pending over 60 seconds,
Perform force free for these entries that belong to invalid
vdev. This could allow system to continue to go to suspend.

Change-Id: I34a39b8c7a9385fea0bed087e0644564f426bf90
CRs-Fixed: 3252807
This commit is contained in:
Yu Tian
2022-07-25 14:42:12 +08:00
committed by Madan Koyyalamudi
parent 8d6fd579fb
commit c58feb9240
3 changed files with 58 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

54
dp/wifi3.0/dp_main.c
View File

@@ -13124,6 +13124,7 @@ static bool dp_tx_comp_delay_check(struct dp_tx_desc_s *tx_desc)
return false; return false;
} }
#if defined(CONFIG_SLUB_DEBUG_ON)
/** /**
* dp_find_missing_tx_comp() - check for leaked descriptor in tx path * dp_find_missing_tx_comp() - check for leaked descriptor in tx path
* @soc - DP SOC context * @soc - DP SOC context
@@ -13196,6 +13197,59 @@ static void dp_find_missing_tx_comp(struct dp_soc *soc)
} }
} }
#else #else
static void dp_find_missing_tx_comp(struct dp_soc *soc)
{
uint8_t i;
uint32_t j;
uint32_t num_desc, page_id, offset;
uint16_t num_desc_per_page;
struct dp_tx_desc_s *tx_desc = NULL;
struct dp_tx_desc_pool_s *tx_desc_pool = NULL;
for (i = 0; i < MAX_TXDESC_POOLS; i++) {
tx_desc_pool = &soc->tx_desc[i];
if (!(tx_desc_pool->pool_size) ||
IS_TX_DESC_POOL_STATUS_INACTIVE(tx_desc_pool) ||
!(tx_desc_pool->desc_pages.cacheable_pages))
continue;
num_desc = tx_desc_pool->pool_size;
num_desc_per_page =
tx_desc_pool->desc_pages.num_element_per_page;
for (j = 0; j < num_desc; j++) {
page_id = j / num_desc_per_page;
offset = j % num_desc_per_page;
if (qdf_unlikely(!(tx_desc_pool->
desc_pages.cacheable_pages)))
break;
tx_desc = dp_tx_desc_find(soc, i, page_id, offset);
if (tx_desc->magic == DP_TX_MAGIC_PATTERN_FREE) {
continue;
} else if (tx_desc->magic ==
DP_TX_MAGIC_PATTERN_INUSE) {
if (dp_tx_comp_delay_check(tx_desc)) {
dp_err_rl("Tx completion not rcvd for id: %u",
tx_desc->id);
if (tx_desc->vdev_id == DP_INVALID_VDEV_ID) {
tx_desc->flags |= DP_TX_DESC_FLAG_FLUSH;
dp_tx_comp_free_buf(soc, tx_desc);
dp_tx_desc_release(tx_desc, i);
DP_STATS_INC(soc,
tx.tx_comp_force_freed, 1);
dp_err_rl("Tx completion force freed");
}
}
} else {
dp_err_rl("tx desc %u corrupted, flags: 0x%x",
tx_desc->id, tx_desc->flags);
}
}
}
}
#endif /* CONFIG_SLUB_DEBUG_ON */
#else
static inline void dp_find_missing_tx_comp(struct dp_soc *soc) static inline void dp_find_missing_tx_comp(struct dp_soc *soc)
{ {
} }

2
dp/wifi3.0/dp_stats.c
View File

@@ -7101,6 +7101,8 @@ void dp_txrx_path_stats(struct dp_soc *soc)
pdev->soc->stats.tx.tx_invalid_peer.num); pdev->soc->stats.tx.tx_invalid_peer.num);
DP_PRINT_STATS("Tx desc freed in non-completion path: %u", DP_PRINT_STATS("Tx desc freed in non-completion path: %u",
pdev->soc->stats.tx.tx_comp_exception); pdev->soc->stats.tx.tx_comp_exception);
DP_PRINT_STATS("Tx desc force freed: %u",
pdev->soc->stats.tx.tx_comp_force_freed);
DP_PRINT_STATS("Tx packets sent per interrupt:"); DP_PRINT_STATS("Tx packets sent per interrupt:");
DP_PRINT_STATS("Single Packet: %u", DP_PRINT_STATS("Single Packet: %u",

2
dp/wifi3.0/dp_types.h
View File

@@ -1072,6 +1072,8 @@ struct dp_soc_stats {
uint64_t tqm_drop_no_peer; uint64_t tqm_drop_no_peer;
/* Number of tx completions reaped per WBM2SW release ring */ /* Number of tx completions reaped per WBM2SW release ring */
uint32_t tx_comp[MAX_TCL_DATA_RINGS]; uint32_t tx_comp[MAX_TCL_DATA_RINGS];
/* Number of tx completions force freed */
uint32_t tx_comp_force_freed;
} tx; } tx;
/* SOC level RX stats */ /* SOC level RX stats */