/* * 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"#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);}