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qcacld-3.0: Add support for logging hang event data

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Add support to register recovery notifiers to log
hang event data.

Change-Id: I9b930d5f983d57a7359ba9f97ea65050c4f54a8a
CRs-Fixed: 2649142
This commit is contained in:
Yeshwanth Sriram Guntuka 2020-03-25 13:59:00 +05:30 committed by nshrivas
parent 473930c609
commit 250dd30af0
2 changed files with 118 additions and 1 deletions
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113
core/dp/txrx/ol_txrx.c
View File

@ -83,7 +83,10 @@
#include <ol_txrx_ipa.h>
#include "wlan_roam_debug.h"
#include "cfg_ucfg_api.h"
#ifdef DP_SUPPORT_RECOVERY_NOTIFY
#include <qdf_notifier.h>
#include <qdf_hang_event_notifier.h>
#endif
#define DPT_DEBUGFS_PERMS (QDF_FILE_USR_READ | \
QDF_FILE_USR_WRITE | \
@ -3322,6 +3325,63 @@ ol_txrx_clear_peer(struct cdp_soc_t *soc_hdl, uint8_t pdev_id,
return status;
}
#ifdef DP_SUPPORT_RECOVERY_NOTIFY
static
int ol_peer_recovery_notifier_cb(struct notifier_block *block,
unsigned long state, void *data)
{
struct qdf_notifer_data *notif_data = data;
qdf_notif_block *notif_block;
struct ol_txrx_peer_t *peer;
struct peer_hang_data hang_data;
enum peer_debug_id_type dbg_id;
if (!data || !block)
return -EINVAL;
notif_block = qdf_container_of(block, qdf_notif_block, notif_block);
peer = notif_block->priv_data;
if (!peer)
return -EINVAL;
QDF_HANG_EVT_SET_HDR(&hang_data.tlv_header,
HANG_EVT_TAG_DP_PEER_INFO,
QDF_HANG_GET_STRUCT_TLVLEN(struct peer_hang_data));
qdf_mem_copy(&hang_data.peer_mac_addr, &peer->mac_addr.raw,
QDF_MAC_ADDR_SIZE);
for (dbg_id = 0; dbg_id < PEER_DEBUG_ID_MAX; dbg_id++)
if (qdf_atomic_read(&peer->access_list[dbg_id]))
hang_data.peer_timeout_bitmask |= (1 << dbg_id);
qdf_mem_copy(notif_data->hang_data + notif_data->offset,
&hang_data, sizeof(struct peer_hang_data));
notif_data->offset += sizeof(struct peer_hang_data);
return 0;
}
static qdf_notif_block ol_peer_recovery_notifier = {
.notif_block.notifier_call = ol_peer_recovery_notifier_cb,
};
static
QDF_STATUS ol_register_peer_recovery_notifier(struct ol_txrx_peer_t *peer)
{
ol_peer_recovery_notifier.priv_data = peer;
return qdf_hang_event_register_notifier(&ol_peer_recovery_notifier);
}
#else
static inline
QDF_STATUS ol_register_peer_recovery_notifier(struct ol_txrx_peer_t *peer)
{
return QDF_STATUS_SUCCESS;
}
#endif
/**
* peer_unmap_timer_handler() - peer unmap timer function
* @data: peer object pointer
@ -3340,6 +3400,7 @@ void peer_unmap_timer_handler(void *data)
ol_txrx_err("peer %pK ("QDF_MAC_ADDR_STR")",
peer,
QDF_MAC_ADDR_ARRAY(peer->mac_addr.raw));
ol_register_peer_recovery_notifier(peer);
cds_trigger_recovery(QDF_PEER_UNMAP_TIMEDOUT);
}
@ -5928,6 +5989,52 @@ void ol_deregister_packetdump_callback(struct cdp_soc_t *soc_hdl,
pdev->ol_rx_packetdump_cb = NULL;
}
#ifdef DP_SUPPORT_RECOVERY_NOTIFY
static
int ol_recovery_notifier_cb(struct notifier_block *block,
unsigned long state, void *data)
{
struct qdf_notifer_data *notif_data = data;
qdf_notif_block *notif_block;
struct ol_txrx_soc_t *soc;
struct hif_opaque_softc *hif_handle;
if (!data || !block)
return -EINVAL;
notif_block = qdf_container_of(block, qdf_notif_block, notif_block);
soc = notif_block->priv_data;
if (!soc)
return -EINVAL;
hif_handle = cds_get_context(QDF_MODULE_ID_HIF);
hif_log_ce_info(hif_handle, notif_data->hang_data,
&notif_data->offset);
return 0;
}
static qdf_notif_block ol_recovery_notifier = {
.notif_block.notifier_call = ol_recovery_notifier_cb,
};
static
QDF_STATUS ol_register_recovery_notifier(struct cdp_soc_t *soc_hdl)
{
struct ol_txrx_soc_t *soc = cdp_soc_t_to_ol_txrx_soc_t(soc_hdl);
ol_recovery_notifier.priv_data = soc;
return qdf_hang_event_register_notifier(&ol_recovery_notifier);
}
static
QDF_STATUS ol_unregister_recovery_notifier(void)
{
return qdf_hang_event_unregister_notifier(&ol_recovery_notifier);
}
#endif
static struct cdp_cmn_ops ol_ops_cmn = {
.txrx_soc_attach_target = ol_txrx_soc_attach_target,
.txrx_vdev_attach = ol_txrx_vdev_attach,
@ -5996,6 +6103,10 @@ static struct cdp_misc_ops ol_ops_misc = {
.vdev_set_bundle_require_flag = ol_tx_vdev_set_bundle_require,
.pdev_reset_bundle_require_flag = ol_tx_pdev_reset_bundle_require,
#endif
#ifdef DP_SUPPORT_RECOVERY_NOTIFY
.register_recovery_notifier = ol_register_recovery_notifier,
.unregister_recovery_notifier = ol_unregister_recovery_notifier,
#endif
};
static struct cdp_flowctl_ops ol_ops_flowctl = {

6
core/dp/txrx/ol_txrx.h
View File

@ -117,6 +117,12 @@ ol_tx_desc_pool_size_hl(struct cdp_cfg *ctrl_pdev);
#define TXRX_HL_TX_DESC_QUEUE_RESTART_TH \
(TXRX_HL_TX_DESC_HI_PRIO_RESERVED + 100)
struct peer_hang_data {
uint32_t tlv_header;
uint8_t peer_mac_addr[QDF_MAC_ADDR_SIZE];
uint16_t peer_timeout_bitmask;
} qdf_packed;
#if defined(CONFIG_HL_SUPPORT) && defined(FEATURE_WLAN_TDLS)
void