qca-wifi: Fix per peer config cfr stop command

Fix cfr stop wmi command and some other fixes checking for
sanity, error handling.

Change-Id: I9f0939fee2301f85e6e7b3338fd26e84676d7d6d
CRs-Fixed: 2407354

target_if/cfr/inc/target_if_cfr.h

@@ -21,8 +21,6 @@
 #include <wlan_objmgr_vdev_obj.h>
 #include <wlan_objmgr_peer_obj.h>
 
-#define PEER_CFR_CAPTURE_ENABLE   1
-#define PEER_CFR_CAPTURE_DISABLE  0
 #define IEEE80211_ADDR_LEN        6
 
 struct cfr_metadata_version_1 {

target_if/cfr/src/target_if_cfr.c

@@ -33,11 +33,16 @@
 int target_if_cfr_stop_capture(struct wlan_objmgr_pdev *pdev,
 			       struct wlan_objmgr_peer *peer)
 {
+	struct peer_cfr *pe;
 	struct peer_cfr_params param = {0};
 	struct common_wmi_handle *pdev_wmi_handle = NULL;
 	struct wlan_objmgr_vdev *vdev = {0};
 	int retv = 0;
 
+	pe = wlan_objmgr_peer_get_comp_private_obj(peer, WLAN_UMAC_COMP_CFR);
+	if (pe == NULL)
+		return -EINVAL;
+
 	pdev_wmi_handle = lmac_get_pdev_wmi_handle(pdev);
 	vdev = wlan_peer_get_vdev(peer);
 
@@ -47,6 +52,10 @@ int target_if_cfr_stop_capture(struct wlan_objmgr_pdev *pdev,
 	param.macaddr = wlan_peer_get_macaddr(peer);
 	param.vdev_id = wlan_vdev_get_id(vdev);
 
+	param.periodicity = pe->period;
+	param.bandwidth = pe->bandwidth;
+	param.capture_method = pe->capture_method;
+
 	retv = wmi_unified_send_peer_cfr_capture_cmd(pdev_wmi_handle, &param);
 
 	return retv;
@@ -98,18 +107,31 @@ int target_if_cfr_pdev_set_param(struct wlan_objmgr_pdev *pdev,
 int target_if_cfr_enable_cfr_timer(struct wlan_objmgr_pdev *pdev,
 				   uint32_t cfr_timer)
 {
+	struct pdev_cfr *pa;
 	int retval;
 
+	pa = wlan_objmgr_pdev_get_comp_private_obj(pdev, WLAN_UMAC_COMP_CFR);
+	if (pa == NULL)
+		return QDF_STATUS_E_FAILURE;
+
 	if (!cfr_timer) {
+	     /* disable periodic cfr capture */
 		retval =
 	target_if_cfr_pdev_set_param(pdev,
 				     wmi_pdev_param_per_peer_prd_cfr_enable,
 				     WMI_HOST_PEER_CFR_TIMER_DISABLE);
+
+		if (retval == QDF_STATUS_SUCCESS)
+			pa->cfr_timer_enable = 0;
 	} else {
+	    /* enable periodic cfr capture (default base timer is 10ms ) */
 		retval =
 	target_if_cfr_pdev_set_param(pdev,
 				     wmi_pdev_param_per_peer_prd_cfr_enable,
 				     WMI_HOST_PEER_CFR_TIMER_ENABLE);
+
+		if (retval == QDF_STATUS_SUCCESS)
+			pa->cfr_timer_enable = 1;
 	}
 
 	return retval;

target_if/cfr/src/target_if_cfr_wifi2_0.c

@@ -40,8 +40,8 @@
 #define NUM_SUBBUF_2S                               2200
 
 /* max subbuf size and number for 4 chains */
-#define MAX_SUBBUF_4S                               2304
-#define NUM_SUBBUF_4S                               910
+#define MAX_SUBBUF_4S                               2200
+#define NUM_SUBBUF_4S                               1100
 #define MAX_CFR_CLIENTS_LEGACY                      10
 
 enum cfrmetaversion {
@@ -109,7 +109,7 @@ target_if_mac_addr_deswizzle(u_int8_t *tgt_mac_addr, u_int8_t *buffer)
 #endif
 }
 
-int ol_txrx_htt_cfr_rx_ind_handler(void *pdev_ptr,
+QDF_STATUS ol_txrx_htt_cfr_rx_ind_handler(void *pdev_ptr,
 				   uint32_t *msg_word, size_t msg_len)
 {
 	struct wlan_objmgr_pdev *pdev;
@@ -131,20 +131,21 @@ int ol_txrx_htt_cfr_rx_ind_handler(void *pdev_ptr,
 	status = wlan_objmgr_pdev_try_get_ref(pdev, WLAN_CFR_ID);
 
 	if (QDF_IS_STATUS_ERROR(status)) {
-		qdf_print("%s, %d unable to get reference", __func__, __LINE__);
+		cfr_err("%s,%d unable to get reference", __func__, __LINE__);
 		return status;
 	}
 
 	pa = wlan_objmgr_pdev_get_comp_private_obj(pdev, WLAN_UMAC_COMP_CFR);
 	if (pa == NULL) {
+		cfr_err("pdev_cfr is NULL\n");
 		wlan_objmgr_pdev_release_ref(pdev, WLAN_CFR_ID);
-		return -1;
+		return QDF_STATUS_E_FAILURE;
 	}
 
 	if (!pa->is_cfr_capable) {
-		qdf_print("CFR capture not enabled/supported in Host SW\n");
+		cfr_err("CFR capture not enabled/supported in Host SW\n");
 		wlan_objmgr_pdev_release_ref(pdev, WLAN_CFR_ID);
-		return -1;
+		return QDF_STATUS_E_FAILURE;
 	}
 
 	psoc = wlan_pdev_get_psoc(pdev);
@@ -225,9 +226,9 @@ int ol_txrx_htt_cfr_rx_ind_handler(void *pdev_ptr,
 	break;
 
 	default:
-	    qdf_print(" Unsupported CFR capture type:%d\n", cfr_msg_type);
+	    cfr_err("Unsupported CFR capture type:%d\n", cfr_msg_type);
 	    wlan_objmgr_pdev_release_ref(pdev, WLAN_CFR_ID);
-	    return -1;
+	    return QDF_STATUS_E_NOSUPPORT;
 	}
 
 	vaddr = pa->cfr_mem_chunk.vaddr;
@@ -247,9 +248,12 @@ int ol_txrx_htt_cfr_rx_ind_handler(void *pdev_ptr,
 				prindex, cfr_dump_len, &end_magic, 4);
 	}
 
+	cfr_debug("CFR:%s status=%d rindex=%x dump_len=%d\n", __func__,
+		    cfr_cap_status, prindex, cfr_dump_len);
+
 	wlan_objmgr_pdev_release_ref(pdev, WLAN_CFR_ID);
 
-	return 0;
+	return QDF_STATUS_SUCCESS;
 }
 EXPORT_SYMBOL(ol_txrx_htt_cfr_rx_ind_handler);
 
@@ -295,14 +299,14 @@ cfr_wifi2_0_init_pdev(struct wlan_objmgr_psoc *psoc,
 				read_offset = pa->cfr_mem_chunk.vaddr;
 				(*read_offset) =
 				    CFR_CAPTURE_HOST_MEM_DEFAULT_READ_OFFSET;
-				qdf_print("CFR:%s reqid=%d len=%d\n", __func__,
+				cfr_debug("CFR:%s reqid=%d len=%d\n", __func__,
 					pa->cfr_mem_chunk.req_id,
 					pa->cfr_mem_chunk.len);
 			}
 
 			if (idx >= info->num_mem_chunks) {
 				pa->is_cfr_capable = 0;
-				qdf_info("CFR Shared memory not allocated\n");
+				cfr_err("CFR Shared memory not allocated\n");
 				return QDF_STATUS_E_NOMEM;
 			}
 

tools/linux/cfr_test_app.c

@@ -42,7 +42,8 @@
 #define CFR_DUMP_STREAMFS_FILE "/sys/kernel/debug/cfr%s/cfr_dump0"
 #define CFR_DUMP_FILE "/tmp/cfr_dump_%s.bin"
 
-#define MAX_CAPTURE_SIZE 2048
+#define MAX_FILE_SIZE          (8 * 1024 * 1024)
+#define MAX_CAPTURE_SIZE       (4096)
 static char rbuffer[MAX_CAPTURE_SIZE];
 
 int stop_capture;
@@ -54,13 +55,21 @@ void print_usage(char *argv[])
 
 void streamfs_read_handler(int sfd, int cfd)
 {
-	int rlen = 0;
+	int rlen = 0, retval = 0;
 
 	memset(rbuffer, 0, sizeof(rbuffer));
 	rlen = read(sfd, rbuffer, sizeof(rbuffer));
 	if (rlen <= 0)
 		return;
 
+	if (lseek(cfd, 0, SEEK_CUR) + rlen > MAX_FILE_SIZE) {
+		retval = lseek(cfd, 0, SEEK_SET);
+		if (retval < 0) {
+			perror("lseek()");
+			exit(EXIT_FAILURE);
+		}
+	}
+
 	write(cfd, rbuffer, rlen);
 }
 

umac/cfr/core/src/cfr_common.c

@@ -21,6 +21,8 @@
 #include <osif_private.h>
 #include <ol_if_athvar.h>
 #include <wlan_objmgr_pdev_obj.h>
+#include <wlan_objmgr_vdev_obj.h>
+#include <wlan_objmgr_peer_obj.h>
 #include <wlan_cfr_tgt_api.h>
 #include <qal_streamfs.h>
 #include <relay.h>
@@ -135,13 +137,30 @@ QDF_STATUS
 wlan_cfr_peer_obj_destroy_handler(struct wlan_objmgr_peer *peer, void *arg)
 {
 	struct peer_cfr *pe = NULL;
+	struct wlan_objmgr_vdev *vdev;
+	struct wlan_objmgr_pdev *pdev;
+	struct pdev_cfr *pa = NULL;
 
 	if (NULL == peer) {
 		cfr_err("PEER is NULL\n");
 		return QDF_STATUS_E_FAILURE;
 	}
 
+	vdev = wlan_peer_get_vdev(peer);
+	if (vdev)
+		pdev = wlan_vdev_get_pdev(vdev);
+
+	if (pdev)
+		pa = wlan_objmgr_pdev_get_comp_private_obj(pdev,
+							   WLAN_UMAC_COMP_CFR);
+
 	pe = wlan_objmgr_peer_get_comp_private_obj(peer, WLAN_UMAC_COMP_CFR);
+
+	if (pa && pe) {
+		if (pe->period && pe->request)
+			pa->cfr_current_sta_count--;
+	}
+
 	if (NULL != pe) {
 		wlan_objmgr_peer_component_obj_detach(peer, WLAN_UMAC_COMP_CFR,
 						      (void *)pe);

umac/cfr/dispatcher/inc/wlan_cfr_tgt_api.h

@@ -78,8 +78,10 @@ int tgt_cfr_stop_capture(struct wlan_objmgr_pdev *pdev,
  * tgt_cfr_enable_cfr_timer() - API to enable cfr timer
  * @pdev: pointer to pdev_object
  * @cfr_timer: Amount of time this timer has to run. If 0, it disables timer.
+ *
+ * Return: success/failure of timer enable
  */
-void
+int
 tgt_cfr_enable_cfr_timer(struct wlan_objmgr_pdev *pdev, uint32_t cfr_timer);
 
 /**

umac/cfr/dispatcher/inc/wlan_cfr_ucfg_api.h

@@ -22,13 +22,15 @@
 #include <wlan_objmgr_peer_obj.h>
 #include <wlan_objmgr_pdev_obj.h>
 
+#define MAX_CFR_PRD        (10*60*1000)        /* 10 minutes */
+
 /**
  * ucfg_cfr_start_capture() - function to start cfr capture
  * @pdev: pointer to pdev object
  * @peer: pointer to peer object
  * @cfr_params: config params to cfr capture
  *
- * Return: startus of start capture.
+ * Return: status of start capture.
  */
 int ucfg_cfr_start_capture(struct wlan_objmgr_pdev *pdev,
 			   struct wlan_objmgr_peer *peer,
@@ -39,7 +41,7 @@ int ucfg_cfr_start_capture(struct wlan_objmgr_pdev *pdev,
  * @pdev: pointer to pdev object
  * @peer: pointer to peer object
  *
- * Return: startus of stop capture.
+ * Return: status of stop capture.
  */
 int ucfg_cfr_stop_capture(struct wlan_objmgr_pdev *pdev,
 			  struct wlan_objmgr_peer *peer);
@@ -51,4 +53,21 @@ int ucfg_cfr_stop_capture(struct wlan_objmgr_pdev *pdev,
  * Return: number of peers with cfr capture enabled
  */
 int ucfg_cfr_list_peers(struct wlan_objmgr_pdev *pdev);
+
+/**
+ * ucfg_cfr_set_timer() - function to enable cfr timer
+ * @pdev: pointer to pdev object
+ * @value: value to be set
+ *
+ * Return: status of timer enable
+ */
+int ucfg_cfr_set_timer(struct wlan_objmgr_pdev *pdev, uint32_t value);
+
+/**
+ * ucfg_cfr_get_timer() - function to get cfr_timer_enable
+ * @pdev: pointer to pdev object
+ *
+ * Return: value of cfr_timer_enable
+ */
+int ucfg_cfr_get_timer(struct wlan_objmgr_pdev *pdev);
 #endif

umac/cfr/dispatcher/inc/wlan_cfr_utils_api.h

@@ -101,6 +101,8 @@ struct pdev_cfr {
 	 */
 };
 
+#define PEER_CFR_CAPTURE_ENABLE   1
+#define PEER_CFR_CAPTURE_DISABLE  0
 /**
  * struct peer_cfr - private peer object for cfr
  * peer_obj: pointer to peer_obj

umac/cfr/dispatcher/src/wlan_cfr_tgt_api.c

@@ -69,6 +69,8 @@ void tgt_cfr_support_set(struct wlan_objmgr_psoc *psoc, uint32_t value)
 		return;
 
 	cfr_sc->is_cfr_capable = !!value;
+	cfr_debug("CFR:%s FW support advert=%d\n", __func__,
+		    cfr_sc->is_cfr_capable);
 }
 
 static inline struct wlan_lmac_if_cfr_tx_ops *
@@ -161,15 +163,20 @@ int tgt_cfr_stop_capture(struct wlan_objmgr_pdev *pdev,
 	return status;
 }
 
-void
+int
 tgt_cfr_enable_cfr_timer(struct wlan_objmgr_pdev *pdev, uint32_t cfr_timer)
 {
+	int status;
 	struct wlan_lmac_if_cfr_tx_ops *cfr_tx_ops = NULL;
 	struct wlan_objmgr_psoc *psoc = wlan_pdev_get_psoc(pdev);
 
 	cfr_tx_ops = wlan_psoc_get_cfr_txops(psoc);
 
 	if (cfr_tx_ops->cfr_enable_cfr_timer)
-		cfr_tx_ops->cfr_enable_cfr_timer(pdev, cfr_timer);
+		status = cfr_tx_ops->cfr_enable_cfr_timer(pdev, cfr_timer);
 
+	if (status != 0)
+		cfr_err("Error occurred with exit code %d\n", status);
+
+	return status;
 }

umac/cfr/dispatcher/src/wlan_cfr_ucfg_api.c

@@ -27,53 +27,131 @@ int ucfg_cfr_start_capture(struct wlan_objmgr_pdev *pdev,
 			   struct wlan_objmgr_peer *peer,
 			   struct cfr_capture_params *params)
 {
+	int status;
 	struct pdev_cfr *pa;
 	struct peer_cfr *pe;
 
-	if (NULL == pdev) {
-		cfr_err("PDEV is NULL!\n");
-		return -EINVAL;
-	}
 	pa = wlan_objmgr_pdev_get_comp_private_obj(pdev, WLAN_UMAC_COMP_CFR);
 	if (NULL == pa) {
 		cfr_err("PDEV cfr object is NULL!\n");
 		return -EINVAL;
 	}
 
+	if (!(pa->is_cfr_capable)) {
+		qdf_info("cfr is not supported on this chip\n");
+		return -EINVAL;
+	}
+
 	/* Get peer private object */
 	pe = wlan_objmgr_peer_get_comp_private_obj(peer, WLAN_UMAC_COMP_CFR);
 	if (NULL == pe) {
 		cfr_err("PEER cfr object is NULL!\n");
 		return -EINVAL;
 	}
-	pe->bandwidth = params->bandwidth;
-	pe->period = params->period;
-	pe->capture_method = params->method;
-
-	if (params->period != 0) {
-		if (!(params->period % 10))
-			tgt_cfr_enable_cfr_timer(pdev, 1);
-		else
+
+	if ((params->period < 0) || (params->period > MAX_CFR_PRD) ||
+		(params->period % 10) ||
+		(!(params->period) && (pa->cfr_timer_enable))) {
+		qdf_info("Invalid period\n");
+		return -EINVAL;
+	}
+
+	if (params->period) {
+		if (pa->cfr_current_sta_count == pa->cfr_max_sta_count) {
+			qdf_info("max periodic cfr clients reached\n");
 			return -EINVAL;
+		}
+		if (!(pe->request))
+			pa->cfr_current_sta_count++;
+	}
+
+	status = tgt_cfr_start_capture(pdev, peer, params);
+
+	if (status == 0) {
+		pe->bandwidth = params->bandwidth;
+		pe->period = params->period;
+		pe->capture_method = params->method;
+		pe->request = PEER_CFR_CAPTURE_ENABLE;
+	} else
+		pa->cfr_current_sta_count--;
+
+	return status;
+}
+
+int ucfg_cfr_set_timer(struct wlan_objmgr_pdev *pdev, uint32_t value)
+{
+	struct pdev_cfr *pa;
+
+	pa = wlan_objmgr_pdev_get_comp_private_obj(pdev, WLAN_UMAC_COMP_CFR);
+	if (pa == NULL) {
+		cfr_err("PDEV cfr object is NULL!\n");
+		return -EINVAL;
+	}
+
+	if (!(pa->is_cfr_capable)) {
+		qdf_info("cfr is not supported on this chip\n");
+		return -EINVAL;
 	}
 
-	return tgt_cfr_start_capture(pdev, peer, params);
+	return tgt_cfr_enable_cfr_timer(pdev, value);
 }
+qdf_export_symbol(ucfg_cfr_set_timer);
+
+int ucfg_cfr_get_timer(struct wlan_objmgr_pdev *pdev)
+{
+	struct pdev_cfr *pa;
+
+	pa = wlan_objmgr_pdev_get_comp_private_obj(pdev, WLAN_UMAC_COMP_CFR);
+	if (pa == NULL) {
+		cfr_err("PDEV cfr object is NULL!\n");
+		return -EINVAL;
+	}
+
+	if (!(pa->is_cfr_capable)) {
+		qdf_info("cfr is not supported on this chip\n");
+		return -EINVAL;
+	}
+
+	return pa->cfr_timer_enable;
+}
+qdf_export_symbol(ucfg_cfr_get_timer);
 
 int ucfg_cfr_stop_capture(struct wlan_objmgr_pdev *pdev,
 			  struct wlan_objmgr_peer *peer)
 {
-	if (NULL == pdev) {
-		cfr_err("pdev is null!\n");
+	int status;
+	struct peer_cfr *pe;
+	struct pdev_cfr *pa;
+
+	pa = wlan_objmgr_pdev_get_comp_private_obj(pdev, WLAN_UMAC_COMP_CFR);
+	if (pa == NULL) {
+		cfr_err("PDEV cfr object is NULL!\n");
+		return -EINVAL;
+	}
+
+	if (!(pa->is_cfr_capable)) {
+		qdf_info("cfr is not supported on this chip\n");
 		return -EINVAL;
 	}
 
-	if (NULL == peer) {
-		cfr_err("peer is null!\n");
+	pe = wlan_objmgr_peer_get_comp_private_obj(peer, WLAN_UMAC_COMP_CFR);
+	if (pe == NULL) {
+		cfr_err("PEER cfr object is NULL!\n");
+		return -EINVAL;
+	}
+
+	if ((pe->period) && (pe->request))
+		status = tgt_cfr_stop_capture(pdev, peer);
+	else {
+		qdf_info("periodic cfr not started for the client\n");
 		return -EINVAL;
 	}
 
-	return tgt_cfr_stop_capture(pdev, peer);
+	if (status == 0)
+		pe->request = PEER_CFR_CAPTURE_DISABLE;
+		pa->cfr_current_sta_count--;
+
+	return status;
 }
 
 int ucfg_cfr_list_peers(struct wlan_objmgr_pdev *pdev)

umac/cfr/dispatcher/src/wlan_cfr_utils_api.c

@@ -138,6 +138,9 @@ QDF_STATUS cfr_initialize_pdev(struct wlan_objmgr_pdev *pdev)
 
 	status = tgt_cfr_init_pdev(pdev);
 
+	if (status != QDF_STATUS_SUCCESS)
+		cfr_err("cfr_initialize_pdev status=%d\n", status);
+
 	return status;
 }
 qdf_export_symbol(cfr_initialize_pdev);
@@ -150,6 +153,9 @@ QDF_STATUS cfr_deinitialize_pdev(struct wlan_objmgr_pdev *pdev)
 
 	status = tgt_cfr_deinit_pdev(pdev);
 
+	if (status != QDF_STATUS_SUCCESS)
+		cfr_err("cfr_deinitialize_pdev status=%d\n", status);
+
 	return status;
 }
 qdf_export_symbol(cfr_deinitialize_pdev);