wlan: Private IOCTL "dataSnapshot" for Data Path Dump State
Introducing a new Private IOCTL for printing Data Path information. This
can be invoked during data stall issues to give more insight into the
Data Paht.The command first prints HDD WMM Tx Queue information, then
posts a new message in TX Thread, which then is handled by TL. After TL
dumping is done, TL initiates a DXE Dump so that we can have both the
information in one shot.
Change-Id: I0449d16939ec029032ee27abf884a8525846c6df
CRs-fixed: 483187
diff --git a/CORE/HDD/src/wlan_hdd_wext.c b/CORE/HDD/src/wlan_hdd_wext.c
index 4f28de5..e0f70c3 100644
--- a/CORE/HDD/src/wlan_hdd_wext.c
+++ b/CORE/HDD/src/wlan_hdd_wext.c
@@ -104,6 +104,7 @@
#include <linux/wireless.h>
#include <net/cfg80211.h>
#include "wlan_qct_pal_trace.h"
+#include "wlan_qct_tl.h"
#include "wlan_hdd_misc.h"
#include "bap_hdd_misc.h"
@@ -222,6 +223,7 @@
#define WE_DISABLE_AMP 5
#define WE_ENABLE_DXE_STALL_DETECT 6
#define WE_DISPLAY_DXE_SNAP_SHOT 7
+#define WE_DISPLAY_DATAPATH_SNAP_SHOT 9
#define WE_SET_REASSOC_TRIGGER 8
/* Private ioctls and their sub-ioctls */
@@ -4461,6 +4463,13 @@
sme_transportDebug(hHal, VOS_TRUE, VOS_FALSE);
break;
}
+ case WE_DISPLAY_DATAPATH_SNAP_SHOT:
+ {
+ hddLog(LOGE, "%s: called %d",__func__, sub_cmd);
+ hdd_wmm_tx_snapshot(pAdapter);
+ WLANTL_TLDebugMessage(VOS_TRUE);
+ break;
+ }
case WE_SET_REASSOC_TRIGGER:
{
hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR(dev);
@@ -4483,6 +4492,42 @@
return ret;
}
+void hdd_wmm_tx_snapshot(hdd_adapter_t *pAdapter)
+{
+ /*
+ * Function to display HDD WMM information
+ * for Tx Queues.
+ * Prints globala as well as per client depending
+ * whether the clients are registered or not.
+ */
+ int i = 0, j = 0;
+ for ( i=0; i< NUM_TX_QUEUES; i++)
+ {
+ spin_lock(&pAdapter->wmm_tx_queue[i].lock);
+ hddLog(LOGE, "HDD WMM TxQueue Info For AC: %d Count: %d PrevAdress:0x%x, NextAddress:0x%x",
+ i, pAdapter->wmm_tx_queue[i].count,
+ pAdapter->wmm_tx_queue[i].anchor.prev, pAdapter->wmm_tx_queue[i].anchor.next);
+ spin_unlock(&pAdapter->wmm_tx_queue[i].lock);
+ }
+
+ for(i =0; i<WLAN_MAX_STA_COUNT; i++)
+ {
+ if(pAdapter->aStaInfo[i].isUsed)
+ {
+ hddLog(LOGE, "******STAIndex: %d*********", i);
+ for ( j=0; j< NUM_TX_QUEUES; j++)
+ {
+ spin_lock(&pAdapter->aStaInfo[i].wmm_tx_queue[j].lock);
+ hddLog(LOGE, "HDD TxQueue Info For AC: %d Count: %d PrevAdress:0x%x, NextAddress:0x%x",
+ j, pAdapter->aStaInfo[i].wmm_tx_queue[j].count,
+ pAdapter->aStaInfo[i].wmm_tx_queue[j].anchor.prev,
+ pAdapter->aStaInfo[i].wmm_tx_queue[j].anchor.next);
+ spin_unlock(&pAdapter->aStaInfo[i].wmm_tx_queue[j].lock);
+ }
+ }
+ }
+
+}
int iw_set_var_ints_getnone(struct net_device *dev, struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
@@ -6999,6 +7044,10 @@
0,
0,
"dxeSnapshot" },
+ { WE_DISPLAY_DATAPATH_SNAP_SHOT,
+ 0,
+ 0,
+ "dataSnapshot"},
{
WE_SET_REASSOC_TRIGGER,
0,