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qcacld-3.0: Enhance hang info feature

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Use separate hang reason for case that lack of credit after suspend.
Meanwhile add hang buf offset check to avoid overflow.

Change-Id: Ic794d02672cd663598da66b9e75924c41b5ef0e8
CRs-Fixed: 2801343
This commit is contained in:
Kai Liu 2020-10-20 20:03:27 +08:00 • committed by snandini
commit 7c45c7d1fb
6 changed files with 19 additions and 12 deletions
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1
Kbuild
View file

@ -3300,6 +3300,7 @@ ccflags-y += -DHIF_CE_HISTORY_MAX=$(CONFIG_HIF_LARGE_CE_RING_HISTORY)
endif
cppflags-$(CONFIG_WLAN_HANG_EVENT) += -DHIF_CE_LOG_INFO
cppflags-$(CONFIG_WLAN_HANG_EVENT) += -DHIF_BUS_LOG_INFO
cppflags-$(CONFIG_WLAN_HANG_EVENT) += -DDP_SUPPORT_RECOVERY_NOTIFY
#endof dummy flags

2
components/pmo/core/src/wlan_pmo_suspend_resume.c
View file

@ -859,7 +859,7 @@ pmo_core_enable_wow_in_fw(struct wlan_objmgr_psoc *psoc,
pmo_err("No Credits after HTC ACK:%d, pending_cmds:%d,"
"cannot resume back", host_credits, wmi_pending_cmds);
htc_dump_counter_info(pmo_core_psoc_get_htc_handle(psoc));
qdf_trigger_self_recovery(psoc, QDF_SUSPEND_TIMEOUT);
qdf_trigger_self_recovery(psoc, QDF_SUSPEND_NO_CREDIT);
}
pmo_debug("WOW enabled successfully in fw: credits:%d pending_cmds: %d",
host_credits, wmi_pending_cmds);

5
core/cds/src/cds_api.c
View file

@ -576,10 +576,9 @@ static int cds_hang_event_notifier_call(struct notifier_block *block,
if (!cds_hang_evt_buff)
return NOTIFY_STOP_MASK;
if (cds_hang_data->offset >= QDF_WLAN_MAX_HOST_OFFSET)
return NOTIFY_STOP_MASK;
total_len = sizeof(*cmd);
if (cds_hang_data->offset + total_len > QDF_WLAN_HANG_FW_OFFSET)
return NOTIFY_STOP_MASK;
cds_hang_evt_buff = cds_hang_data->hang_data + cds_hang_data->offset;
cmd = (struct cds_hang_event_fixed_param *)cds_hang_evt_buff;

3
core/dp/txrx/ol_txrx.c
View file

@ -138,7 +138,8 @@ int ol_peer_recovery_notifier_cb(struct notifier_block *block,
if (!peer)
return -EINVAL;
if (notif_data->offset >= QDF_WLAN_MAX_HOST_OFFSET)
if (notif_data->offset + sizeof(struct peer_hang_data) >
QDF_WLAN_HANG_FW_OFFSET)
return NOTIFY_STOP_MASK;
QDF_HANG_EVT_SET_HDR(&hang_data.tlv_header,

11
core/hdd/src/wlan_hdd_hang_event.c
View file

@ -58,12 +58,11 @@ static int wlan_hdd_recovery_notifier_call(struct notifier_block *block,
if (!hdd_ctx)
return NOTIFY_STOP_MASK;
if (hdd_hang_data->offset >= QDF_WLAN_MAX_HOST_OFFSET)
return NOTIFY_STOP_MASK;
if (state == QDF_SCAN_ATTEMPT_FAILURES) {
total_len = sizeof(*cmd_scan);
hdd_buf_ptr = hdd_hang_data->hang_data + hdd_hang_data->offset;
if (hdd_hang_data->offset + total_len > QDF_WLAN_HANG_FW_OFFSET)
return NOTIFY_STOP_MASK;
cmd_scan = (struct hdd_scan_fixed_param *)hdd_buf_ptr;
QDF_HANG_EVT_SET_HDR(&cmd_scan->tlv_header,
HANG_EVT_TAG_OS_IF_SCAN,
@ -85,6 +84,12 @@ static int wlan_hdd_recovery_notifier_call(struct notifier_block *block,
}
total_len = sizeof(*cmd);
hdd_buf_ptr = hdd_hang_data->hang_data + hdd_hang_data->offset;
if (hdd_hang_data->offset + total_len >
QDF_WLAN_HANG_FW_OFFSET) {
hdd_objmgr_put_vdev(vdev);
dev_put(adapter->dev);
return NOTIFY_STOP_MASK;
}
cmd = (struct hdd_hang_event_fixed_param *)hdd_buf_ptr;
QDF_HANG_EVT_SET_HDR(&cmd->tlv_header,
HANG_EVT_TAG_OS_IF,

9
core/mac/src/pe/lim/lim_api.c
View file

@ -759,6 +759,7 @@ static int pe_hang_event_notifier_call(struct notifier_block *block,
uint8_t *pe_data;
uint8_t i;
struct pe_hang_event_fixed_param *cmd;
size_t size;
if (!data)
return NOTIFY_STOP_MASK;
@ -767,13 +768,13 @@ static int pe_hang_event_notifier_call(struct notifier_block *block,
if (!mac)
return NOTIFY_STOP_MASK;
if (pe_hang_data->offset >= QDF_WLAN_MAX_HOST_OFFSET)
return NOTIFY_STOP_MASK;
size = sizeof(*cmd);
for (i = 0; i < mac->lim.maxBssId; i++) {
session = &mac->lim.gpSession[i];
if (!session->valid)
continue;
if (pe_hang_data->offset + size > QDF_WLAN_HANG_FW_OFFSET)
return NOTIFY_STOP_MASK;
pe_data = (pe_hang_data->hang_data + pe_hang_data->offset);
cmd = (struct pe_hang_event_fixed_param *)pe_data;
@ -784,7 +785,7 @@ static int pe_hang_event_notifier_call(struct notifier_block *block,
cmd->limprevmlmstate = session->limPrevMlmState;
cmd->limsmestate = session->limSmeState;
cmd->limprevsmestate = session->limPrevSmeState;
pe_hang_data->offset += sizeof(*cmd);
pe_hang_data->offset += size;
}
return NOTIFY_OK;