qcacld-3.0: Add iwpriv pktlog command to clear pktlog buffer
Implement iwpriv pktlog command to clear pktlog buffer.
This command is effective only if pktlog disable is issued previously.
This command needs one argument.
Command to use this feature : iwpriv wlan0 pktlog 4
CRs-Fixed: 2031210
Change-Id: I19d695c30608ab8cde21ee251eee5c5d43d89751
diff --git a/core/hdd/src/wlan_hdd_main.c b/core/hdd/src/wlan_hdd_main.c
index 787c14f..306c563 100644
--- a/core/hdd/src/wlan_hdd_main.c
+++ b/core/hdd/src/wlan_hdd_main.c
@@ -7973,6 +7973,7 @@
/* MAX iwpriv command support */
#define PKTLOG_SET_BUFF_SIZE 3
+#define PKTLOG_CLEAR_BUFF 4
#define MAX_PKTLOG_SIZE 16
/**
@@ -7993,6 +7994,7 @@
start_log.ini_triggered = cds_is_packet_log_enabled();
start_log.user_triggered = 1;
start_log.size = set_value2;
+ start_log.is_pktlog_buff_clear = false;
status = sme_wifi_start_logger(hdd_ctx->hHal, start_log);
if (!QDF_IS_STATUS_SUCCESS(status)) {
@@ -8005,6 +8007,35 @@
}
/**
+ * hdd_pktlog_clear_buff() - clear pktlog buffer
+ * @hdd_ctx: hdd context
+ *
+ * Return: 0 for success or error.
+ */
+static int hdd_pktlog_clear_buff(hdd_context_t *hdd_ctx)
+{
+ struct sir_wifi_start_log start_log;
+ QDF_STATUS status;
+
+ start_log.ring_id = RING_ID_PER_PACKET_STATS;
+ start_log.verbose_level = WLAN_LOG_LEVEL_OFF;
+ start_log.ini_triggered = cds_is_packet_log_enabled();
+ start_log.user_triggered = 1;
+ start_log.size = 0;
+ start_log.is_pktlog_buff_clear = true;
+
+ status = sme_wifi_start_logger(hdd_ctx->hHal, start_log);
+ if (!QDF_IS_STATUS_SUCCESS(status)) {
+ hdd_err("sme_wifi_start_logger failed(err=%d)", status);
+ EXIT();
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+
+/**
* hdd_process_pktlog_command() - process pktlog command
* @hdd_ctx: hdd context
* @set_value: value set by user
@@ -8029,7 +8060,7 @@
hdd_debug("set pktlog %d, set size %d", set_value, set_value2);
- if (set_value > PKTLOG_SET_BUFF_SIZE) {
+ if (set_value > PKTLOG_CLEAR_BUFF) {
hdd_err("invalid pktlog value %d", set_value);
return -EINVAL;
}
@@ -8043,6 +8074,8 @@
return -EINVAL;
}
return hdd_pktlog_set_buff_size(hdd_ctx, set_value2);
+ } else if (set_value == PKTLOG_CLEAR_BUFF) {
+ return hdd_pktlog_clear_buff(hdd_ctx);
}
/*
@@ -8082,6 +8115,7 @@
start_log.ini_triggered = cds_is_packet_log_enabled();
start_log.user_triggered = user_triggered;
start_log.size = size;
+ start_log.is_pktlog_buff_clear = false;
/*
* Use "is_iwpriv_command" flag to distinguish iwpriv command from other
* commands. Host uses this flag to decide whether to send pktlog