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qcacld-3.0: Dump DPTRACE on cfg8011 disconnect

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Dump the last few (100) DPTRACE records when a cfg80211 disconnect is
received from the userspace with reason code WLAN_REASON_DEAUTH_LEAVING.

Change-Id: Ib370f8d8b71f20364e0da73a1aee5673c0fc4ca4
CRs-Fixed: 2029713
This commit is contained in:
Mohit Khanna 2017-04-05 16:27:08 -07:00 • committed by snandini
commit ceb9778bfc
1 changed files with 9 additions and 0 deletions
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9
core/hdd/src/wlan_hdd_cfg80211.c
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@ -203,6 +203,12 @@
#define MAX_TXPOWER_SCALE 4
#define CDS_MAX_FEATURE_SET 8
/*
* Number of DPTRACE records to dump when a cfg80211 disconnect with reason
* WLAN_REASON_DEAUTH_LEAVING DEAUTH is received from user-space.
*/
#define WLAN_DEAUTH_DPTRACE_DUMP_COUNT 100
static const u32 hdd_cipher_suites[] = {
WLAN_CIPHER_SUITE_WEP40,
WLAN_CIPHER_SUITE_WEP104,
@ -15762,6 +15768,9 @@ static int __wlan_hdd_cfg80211_disconnect(struct wiphy *wiphy,
gEnableDeauthToDisassocMap ?
eCSR_DISCONNECT_REASON_STA_HAS_LEFT :
eCSR_DISCONNECT_REASON_DEAUTH;
qdf_dp_trace_dump_all(
WLAN_DEAUTH_DPTRACE_DUMP_COUNT,
QDF_TRACE_DEFAULT_PDEV_ID);
break;
case WLAN_REASON_DISASSOC_STA_HAS_LEFT:
reasonCode = eCSR_DISCONNECT_REASON_STA_HAS_LEFT;