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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 07:25:46 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 07:25:46 +0000
commit5277429a362a9cf4ce649557bf4c8fe0e20c05c0 (patch)
tree52cc97728c6fbb7393984dc3db05c5836107fe44 /plugins/plugin_mac80211.c
parentInitial commit. (diff)
downloadlibtraceevent-5277429a362a9cf4ce649557bf4c8fe0e20c05c0.tar.xz
libtraceevent-5277429a362a9cf4ce649557bf4c8fe0e20c05c0.zip
Adding upstream version 1:1.7.1.upstream/1%1.7.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--plugins/plugin_mac80211.c88
1 files changed, 88 insertions, 0 deletions
diff --git a/plugins/plugin_mac80211.c b/plugins/plugin_mac80211.c
new file mode 100644
index 0000000..f48071e
--- /dev/null
+++ b/plugins/plugin_mac80211.c
@@ -0,0 +1,88 @@
+// SPDX-License-Identifier: LGPL-2.1
+/*
+ * Copyright (C) 2009 Johannes Berg <johannes@sipsolutions.net>
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "event-parse.h"
+#include "trace-seq.h"
+
+#define INDENT 65
+
+static void print_string(struct trace_seq *s, struct tep_event *event,
+ const char *name, const void *data)
+{
+ struct tep_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 tep_event *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 *tep)
+{
+ tep_register_event_handler(tep, -1, "mac80211",
+ "drv_bss_info_changed",
+ drv_bss_info_changed, NULL);
+ return 0;
+}
+
+void TEP_PLUGIN_UNLOADER(struct tep_handle *tep)
+{
+ tep_unregister_event_handler(tep, -1, "mac80211",
+ "drv_bss_info_changed",
+ drv_bss_info_changed, NULL);
+}