From 81c2cd909ca3e02790578d8220aa51432002ceef Mon Sep 17 00:00:00 2001
From: Jeff Johnson <jjohnson@codeaurora.org>
Date: Sun, 1 Jul 2018 18:04:47 -0700
Subject: [PATCH] qcacld-3.0: Remove obsolete Link Quality Indication support

CSR contains the remnants of a Link Quality Indication support. Since
this is unused, remove it.

Change-Id: I5235e204e8ec15c2d927e8b3a95e1f65cab4cf70
CRs-Fixed: 2276296
---
 core/sme/inc/csr_api.h          | 16 ----------------
 core/sme/inc/csr_internal.h     |  7 -------
 core/sme/src/csr/csr_api_roam.c |  4 ----
 3 files changed, 27 deletions(-)

diff --git a/core/sme/inc/csr_api.h b/core/sme/inc/csr_api.h
index 2b888439289c..f6bac1cd67e9 100644
--- a/core/sme/inc/csr_api.h
+++ b/core/sme/inc/csr_api.h
@@ -591,20 +591,6 @@ typedef enum {
 	eCSR_ROAM_RESULT_INVOKE_FAILED,
 } eCsrRoamResult;
 
-/*----------------------------------------------------------------------------
-   List of link quality indications HDD can receive from SME
-   --------------------------------------------------------------------------*/
-typedef enum {
-	eCSR_ROAM_LINK_QUAL_MIN_IND = -1,
-
-	eCSR_ROAM_LINK_QUAL_POOR_IND = 0,       /* bad link                */
-	eCSR_ROAM_LINK_QUAL_GOOD_IND = 1,       /* acceptable for voice    */
-	eCSR_ROAM_LINK_QUAL_VERY_GOOD_IND = 2,  /* suitable for voice      */
-	eCSR_ROAM_LINK_QUAL_EXCELLENT_IND = 3,  /* suitable for voice      */
-
-	eCSR_ROAM_LINK_QUAL_MAX_IND     /* invalid value */
-} eCsrRoamLinkQualityInd;
-
 typedef enum {
 	eCSR_DISCONNECT_REASON_UNSPECIFIED = 0,
 	eCSR_DISCONNECT_REASON_MIC_ERROR,
@@ -1704,8 +1690,6 @@ const char *get_e_csr_roam_result_str(eCsrRoamResult val);
 const char *csr_phy_mode_str(eCsrPhyMode phy_mode);
 QDF_STATUS csr_set_phy_mode(tHalHandle hHal, uint32_t phyMode,
 			    enum band_info eBand, bool *pfRestartNeeded);
-typedef void (*csr_roamLinkQualityIndCallback)
-	(eCsrRoamLinkQualityInd ind, void *pContext);
 typedef void (*tCsrStatsCallback)(void *stats, void *pContext);
 typedef void (*tCsrRssiCallback)(int8_t rssi, uint32_t staId, void *pContext);
 
diff --git a/core/sme/inc/csr_internal.h b/core/sme/inc/csr_internal.h
index 6e4d1ac51009..e02d2ad88939 100644
--- a/core/sme/inc/csr_internal.h
+++ b/core/sme/inc/csr_internal.h
@@ -713,11 +713,6 @@ struct csr_roam_connectedinfo {
 	uint8_t staId;
 };
 
-struct csr_linkquality_indinfo {
-	csr_roamLinkQualityIndCallback callback;
-	void *context;
-};
-
 #ifndef QCA_SUPPORT_CP_STATS
 struct csr_pestats_reqinfo {
 	tListElem link;         /* list links */
@@ -976,8 +971,6 @@ struct csr_roamstruct {
 	tDblLinkList peStatsReqList;
 	struct csr_tlstats_reqinfo tlStatsReqInfo;
 #endif
-	eCsrRoamLinkQualityInd vccLinkQuality;
-	struct csr_linkquality_indinfo linkQualityIndInfo;
 	tCsrTimerInfo WaitForKeyTimerInfo;
 	struct csr_roam_session *roamSession;
 	uint32_t transactionId;  /* Current transaction ID for internal use. */
diff --git a/core/sme/src/csr/csr_api_roam.c b/core/sme/src/csr/csr_api_roam.c
index e83fe999936e..b9aaf721f44f 100644
--- a/core/sme/src/csr/csr_api_roam.c
+++ b/core/sme/src/csr/csr_api_roam.c
@@ -1198,8 +1198,6 @@ QDF_STATUS csr_start(tpAniSirGlobal pMac)
 		for (i = 0; i < CSR_ROAM_SESSION_MAX; i++)
 			status = csr_neighbor_roam_init(pMac, i);
 		csr_init_tl_stats(pMac);
-		/* init the link quality indication also */
-		pMac->roam.vccLinkQuality = eCSR_ROAM_LINK_QUAL_MIN_IND;
 		if (!QDF_IS_STATUS_SUCCESS(status)) {
 			sme_warn("csr_start: Couldn't Init HO control blk ");
 			break;
@@ -17440,7 +17438,6 @@ static void csr_roam_link_up(tpAniSirGlobal pMac, struct qdf_mac_addr bssid)
 		(0 == pMac->roam.configParam.vccRssiThreshold) ?
 		CSR_VCC_RSSI_THRESHOLD :
 		pMac->roam.configParam.vccRssiThreshold;
-	pMac->roam.vccLinkQuality = eCSR_ROAM_LINK_QUAL_POOR_IND;
 	/* Check for user misconfig of UL MAC Loss trigger threshold */
 	pMac->roam.configParam.vccUlMacLossThreshold =
 		(0 == pMac->roam.configParam.vccUlMacLossThreshold) ?
@@ -17481,7 +17478,6 @@ static void csr_roam_link_down(tpAniSirGlobal pMac, uint32_t sessionId)
 	 * corresponding timers
 	 */
 	csr_roam_dereg_statistics_req(pMac);
-	pMac->roam.vccLinkQuality = eCSR_ROAM_LINK_QUAL_POOR_IND;
 	/* Indicate the neighbor roal algorithm about the disconnect
 	 * indication
 	 */