Merge "qcacld-3.0: Statically allocate DPH hash table" into wlan-cld3.driver.lnx.2.0

core/hdd/inc/wlan_hdd_cfg.h

@@ -7460,8 +7460,8 @@ enum hdd_link_speed_rpt_type {
 
 #define CFG_SAP_MAX_NO_PEERS                       "gSoftApMaxPeers"
 #define CFG_SAP_MAX_NO_PEERS_MIN                   (1)
-#define CFG_SAP_MAX_NO_PEERS_MAX                   (32)
-#define CFG_SAP_MAX_NO_PEERS_DEFAULT               (32)
+#define CFG_SAP_MAX_NO_PEERS_MAX                   (SIR_SAP_MAX_NUM_PEERS)
+#define CFG_SAP_MAX_NO_PEERS_DEFAULT               (SIR_SAP_MAX_NUM_PEERS)
 
 /*
  * <ini>

core/mac/inc/sir_api.h

@@ -59,6 +59,8 @@ typedef struct sAniSirGlobal *tpAniSirGlobal;
 #include <dot11f.h>
 #include "wlan_policy_mgr_api.h"
 
+#define SIR_MAX_SUPPORTED_BSS 5
+
 #define OFFSET_OF(structType, fldName)   (&((structType *)0)->fldName)
 
 /* / Max supported channel list */
@@ -130,6 +132,9 @@ typedef uint8_t tSirVersionString[SIR_VERSION_STRING_LEN];
 /* Maximum peer station number query one time */
 #define MAX_PEER_STA 12
 
+/* Maximum number of peers for SAP */
+#define SIR_SAP_MAX_NUM_PEERS 32
+
 /**
  * enum sir_conn_update_reason: Reason for conc connection update
  * @SIR_UPDATE_REASON_SET_OPER_CHAN: Set probable operating channel

core/mac/src/pe/lim/lim_session.c

@@ -47,6 +47,10 @@
 #include "sch_api.h"
 #include "lim_send_messages.h"
 
+
+static struct sDphHashNode
+	g_dph_node_array[SIR_MAX_SUPPORTED_BSS][SIR_SAP_MAX_NUM_PEERS + 1];
+
 /*--------------------------------------------------------------------------
 
    \brief pe_init_beacon_params() - Initialize the beaconParams structure
@@ -427,17 +431,7 @@ pe_create_session(tpAniSirGlobal pMac, uint8_t *bssid, uint8_t *sessionId,
 		return NULL;
 	}
 
-	session_ptr->dph.dphHashTable.pDphNodeArray =
-		qdf_mem_malloc(sizeof(tDphHashNode) * (numSta + 1));
-	if (NULL == session_ptr->dph.dphHashTable.pDphNodeArray) {
-		pe_err("memory allocate failed!");
-		qdf_mem_free(session_ptr->dph.dphHashTable.pHashTable);
-		session_ptr->dph.dphHashTable.
-		pHashTable = NULL;
-		return NULL;
-	}
-
-
+	session_ptr->dph.dphHashTable.pDphNodeArray = g_dph_node_array[i];
 	session_ptr->dph.dphHashTable.size = numSta + 1;
 	dph_hash_table_class_init(pMac, &session_ptr->dph.dphHashTable);
 	session_ptr->gpLimPeerIdxpool = qdf_mem_malloc(
@@ -446,7 +440,9 @@ pe_create_session(tpAniSirGlobal pMac, uint8_t *bssid, uint8_t *sessionId,
 	if (NULL == session_ptr->gpLimPeerIdxpool) {
 		pe_err("memory allocate failed!");
 		qdf_mem_free(session_ptr->dph.dphHashTable.pHashTable);
-		qdf_mem_free(session_ptr->dph.dphHashTable.pDphNodeArray);
+		qdf_mem_zero(session_ptr->dph.dphHashTable.pDphNodeArray,
+			sizeof(struct sDphHashNode) *
+			(SIR_SAP_MAX_NUM_PEERS + 1));
 		session_ptr->dph.dphHashTable.pHashTable = NULL;
 		session_ptr->dph.dphHashTable.pDphNodeArray = NULL;
 		return NULL;
@@ -501,7 +497,10 @@ pe_create_session(tpAniSirGlobal pMac, uint8_t *bssid, uint8_t *sessionId,
 		    || (NULL == session_ptr->pSchBeaconFrameEnd)) {
 			pe_err("memory allocate failed!");
 			qdf_mem_free(session_ptr->dph.dphHashTable.pHashTable);
-			qdf_mem_free(session_ptr->dph.dphHashTable.pDphNodeArray);
+			qdf_mem_zero(
+				session_ptr->dph.dphHashTable.pDphNodeArray,
+				sizeof(struct sDphHashNode) *
+				(SIR_SAP_MAX_NUM_PEERS + 1));
 			qdf_mem_free(session_ptr->gpLimPeerIdxpool);
 			qdf_mem_free(session_ptr->pSchProbeRspTemplate);
 			qdf_mem_free(session_ptr->pSchBeaconFrameBegin);
@@ -737,7 +736,9 @@ void pe_delete_session(tpAniSirGlobal mac_ctx, tpPESession session)
 	}
 
 	if (session->dph.dphHashTable.pDphNodeArray != NULL) {
-		qdf_mem_free(session->dph.dphHashTable.pDphNodeArray);
+		qdf_mem_zero(session->dph.dphHashTable.pDphNodeArray,
+			sizeof(struct sDphHashNode) *
+			(SIR_SAP_MAX_NUM_PEERS + 1));
 		session->dph.dphHashTable.pDphNodeArray = NULL;
 	}
 

core/sme/inc/csr_internal.h

@@ -53,7 +53,7 @@
 /* session ID invalid */
 #define CSR_SESSION_ID_INVALID    0xFF
 /* No of sessions to be supported, and a session is for Infra, IBSS or BT-AMP */
-#define CSR_ROAM_SESSION_MAX      5
+#define CSR_ROAM_SESSION_MAX      SIR_MAX_SUPPORTED_BSS
 #define CSR_IS_SESSION_VALID(pMac, sessionId) \
 	(((sessionId) < CSR_ROAM_SESSION_MAX) && \
 	 ((pMac)->roam.roamSession[(sessionId)].sessionActive))

core/wma/inc/wma.h

@@ -88,7 +88,7 @@
 #else
 #define WMA_MAX_SUPPORTED_STAS    12
 #endif
-#define WMA_MAX_SUPPORTED_BSS     5
+#define WMA_MAX_SUPPORTED_BSS     SIR_MAX_SUPPORTED_BSS
 
 #define WMA_MAX_MGMT_MPDU_LEN 2000