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qcacld-3.0: Add timestamp debug info in ol_tx_desc_t

Browse source 
Add descriptor timestamp debug info in ol_tx_desc_t and
add APIs to set these values.

Change-Id: I686fccff4268811474630dbea8369fabe82d1517
CRs-Fixed: 2333654
This commit is contained in:
Rakshith Suresh Patkar 2018-11-02 16:43:43 +05:30 • committed by nshrivas
commit 384a28ae48
5 changed files with 40 additions and 1 deletions
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2
Kbuild
View file

@ -2026,6 +2026,8 @@ cppflags-$(CONFIG_WLAN_FEATURE_LPSS) += -DWLAN_FEATURE_LPSS
cppflags-$(CONFIG_DESC_DUP_DETECT_DEBUG) += -DDESC_DUP_DETECT_DEBUG
cppflags-$(CONFIG_DEBUG_RX_RING_BUFFER) += -DDEBUG_RX_RING_BUFFER
cppflags-$(CONFIG_DESC_TIMESTAMP_DEBUG_INFO) += -DDESC_TIMESTAMP_DEBUG_INFO
cppflags-$(PANIC_ON_BUG) += -DPANIC_ON_BUG
cppflags-$(WLAN_WARN_ON_ASSERT) += -DWLAN_WARN_ON_ASSERT

1
configs/default_defconfig
View file

@ -649,6 +649,7 @@ ifeq ($(CONFIG_SLUB_DEBUG_ON), y)
CONFIG_MAX_LOGS_PER_SEC := 500
CONFIG_SCHED_HISTORY_SIZE := 256
CONFIG_UNIT_TEST := y
CONFIG_DESC_TIMESTAMP_DEBUG_INFO := y
endif
ifeq ($(CONFIG_UNIT_TEST), y)

15
core/dp/txrx/ol_tx_desc.c
View file

@ -80,6 +80,19 @@ static inline void ol_tx_desc_reset_timestamp(struct ol_tx_desc_t *tx_desc)
}
#endif
#ifdef DESC_TIMESTAMP_DEBUG_INFO
static inline void ol_tx_desc_update_tx_ts(struct ol_tx_desc_t *tx_desc)
{
tx_desc->desc_debug_info.prev_tx_ts = tx_desc
->desc_debug_info.curr_tx_ts;
tx_desc->desc_debug_info.curr_tx_ts = qdf_get_log_timestamp();
}
#else
static inline void ol_tx_desc_update_tx_ts(struct ol_tx_desc_t *tx_desc)
{
}
#endif
/**
* ol_tx_desc_vdev_update() - vedv assign.
* @tx_desc: tx descriptor pointer
@ -144,6 +157,7 @@ struct ol_tx_desc_t *ol_tx_desc_alloc(struct ol_txrx_pdev_t *pdev,
ol_tx_desc_compute_delay(tx_desc);
ol_tx_desc_vdev_update(tx_desc, vdev);
ol_tx_desc_count_inc(vdev);
ol_tx_desc_update_tx_ts(tx_desc);
qdf_atomic_inc(&tx_desc->ref_cnt);
}
qdf_spin_unlock_bh(&pdev->tx_mutex);
@ -214,6 +228,7 @@ struct ol_tx_desc_t *ol_tx_desc_alloc(struct ol_txrx_pdev_t *pdev,
}
ol_tx_desc_sanity_checks(pdev, tx_desc);
ol_tx_desc_compute_delay(tx_desc);
ol_tx_desc_update_tx_ts(tx_desc);
ol_tx_desc_vdev_update(tx_desc, vdev);
qdf_atomic_inc(&tx_desc->ref_cnt);
} else {

14
core/dp/txrx/ol_tx_send.c
View file

@ -105,6 +105,17 @@ ol_tx_target_credit_incr_int(struct ol_txrx_pdev_t *pdev, int delta)
}
#endif
#ifdef DESC_TIMESTAMP_DEBUG_INFO
static inline void ol_tx_desc_update_comp_ts(struct ol_tx_desc_t *tx_desc)
{
tx_desc->desc_debug_info.last_comp_ts = qdf_get_log_timestamp();
}
#else
static inline void ol_tx_desc_update_comp_ts(struct ol_tx_desc_t *tx_desc)
{
}
#endif
#if defined(CONFIG_HL_SUPPORT) && defined(QCA_HL_NETDEV_FLOW_CONTROL)
void ol_tx_flow_ct_unpause_os_q(ol_txrx_pdev_handle pdev)
{
@ -773,6 +784,7 @@ ol_tx_completion_handler(ol_txrx_pdev_handle pdev,
}
tx_desc = ol_tx_desc_find(pdev, tx_desc_id);
qdf_assert(tx_desc);
ol_tx_desc_update_comp_ts(tx_desc);
tx_desc->status = status;
netbuf = tx_desc->netbuf;
@ -1096,6 +1108,7 @@ ol_tx_inspect_handler(ol_txrx_pdev_handle pdev,
}
tx_desc = ol_tx_desc_find(pdev, tx_desc_id);
qdf_assert(tx_desc);
ol_tx_desc_update_comp_ts(tx_desc);
netbuf = tx_desc->netbuf;
/* find the "vdev" this tx_desc belongs to */
@ -1122,7 +1135,6 @@ ol_tx_inspect_handler(ol_txrx_pdev_handle pdev,
lcl_freelist, tx_desc_last,
htt_tx_status_ok,
is_tx_desc_freed);
#ifdef QCA_SUPPORT_TXDESC_SANITY_CHECKS
if (!is_tx_desc_freed) {
tx_desc->pkt_type = ol_tx_frm_freed;

9
core/dp/txrx/ol_txrx_types.h
View file

@ -164,6 +164,15 @@ struct ol_tx_desc_t {
#ifdef QCA_COMPUTE_TX_DELAY
uint32_t entry_timestamp_ticks;
#endif
#ifdef DESC_TIMESTAMP_DEBUG_INFO
struct {
uint64_t prev_tx_ts;
uint64_t curr_tx_ts;
uint64_t last_comp_ts;
} desc_debug_info;
#endif
/*
* Allow tx descriptors to be stored in (doubly-linked) lists.
* This is mainly used for HL tx queuing and scheduling, but is