v4.19.13 snapshot.
diff --git a/tools/lib/traceevent/plugin_mac80211.c b/tools/lib/traceevent/plugin_mac80211.c
new file mode 100644
index 0000000..de50a53
--- /dev/null
+++ b/tools/lib/traceevent/plugin_mac80211.c
@@ -0,0 +1,102 @@
+/*
+ * Copyright (C) 2009 Johannes Berg <johannes@sipsolutions.net>
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License (not later!)
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not, see <http://www.gnu.org/licenses>
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "event-parse.h"
+
+#define INDENT 65
+
+static void print_string(struct trace_seq *s, struct event_format *event,
+ const char *name, const void *data)
+{
+ struct format_field *f = tep_find_field(event, name);
+ int offset;
+ int length;
+
+ if (!f) {
+ trace_seq_printf(s, "NOTFOUND:%s", name);
+ return;
+ }
+
+ offset = f->offset;
+ length = f->size;
+
+ if (!strncmp(f->type, "__data_loc", 10)) {
+ unsigned long long v;
+ if (tep_read_number_field(f, data, &v)) {
+ trace_seq_printf(s, "invalid_data_loc");
+ return;
+ }
+ offset = v & 0xffff;
+ length = v >> 16;
+ }
+
+ trace_seq_printf(s, "%.*s", length, (char *)data + offset);
+}
+
+#define SF(fn) tep_print_num_field(s, fn ":%d", event, fn, record, 0)
+#define SFX(fn) tep_print_num_field(s, fn ":%#x", event, fn, record, 0)
+#define SP() trace_seq_putc(s, ' ')
+
+static int drv_bss_info_changed(struct trace_seq *s,
+ struct tep_record *record,
+ struct event_format *event, void *context)
+{
+ void *data = record->data;
+
+ print_string(s, event, "wiphy_name", data);
+ trace_seq_printf(s, " vif:");
+ print_string(s, event, "vif_name", data);
+ tep_print_num_field(s, "(%d)", event, "vif_type", record, 1);
+
+ trace_seq_printf(s, "\n%*s", INDENT, "");
+ SF("assoc"); SP();
+ SF("aid"); SP();
+ SF("cts"); SP();
+ SF("shortpre"); SP();
+ SF("shortslot"); SP();
+ SF("dtimper"); SP();
+ trace_seq_printf(s, "\n%*s", INDENT, "");
+ SF("bcnint"); SP();
+ SFX("assoc_cap"); SP();
+ SFX("basic_rates"); SP();
+ SF("enable_beacon");
+ trace_seq_printf(s, "\n%*s", INDENT, "");
+ SF("ht_operation_mode");
+
+ return 0;
+}
+
+int TEP_PLUGIN_LOADER(struct tep_handle *pevent)
+{
+ tep_register_event_handler(pevent, -1, "mac80211",
+ "drv_bss_info_changed",
+ drv_bss_info_changed, NULL);
+ return 0;
+}
+
+void TEP_PLUGIN_UNLOADER(struct tep_handle *pevent)
+{
+ tep_unregister_event_handler(pevent, -1, "mac80211",
+ "drv_bss_info_changed",
+ drv_bss_info_changed, NULL);
+}