diff options
Diffstat (limited to 'tools/lib/traceevent/plugins/plugin_mac80211.c')
| -rw-r--r-- | tools/lib/traceevent/plugins/plugin_mac80211.c | 103 | 
1 files changed, 103 insertions, 0 deletions
diff --git a/tools/lib/traceevent/plugins/plugin_mac80211.c b/tools/lib/traceevent/plugins/plugin_mac80211.c new file mode 100644 index 000000000000..884303c26b5c --- /dev/null +++ b/tools/lib/traceevent/plugins/plugin_mac80211.c @@ -0,0 +1,103 @@ +/* + * Copyright (C) 2009 Johannes Berg <[email protected]> + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * 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" +#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); +}  |