| /* |
| * 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, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| */ |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #include "parse-events.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 = pevent_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 (pevent_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); |
| } |
| |
| struct value_name { |
| unsigned long long value; |
| const char *name; |
| }; |
| |
| static void _print_enum(struct trace_seq *s, struct event_format *event, |
| const char *name, const void *data, |
| const struct value_name *names, int n_names) |
| { |
| struct format_field *f = pevent_find_field(event, name); |
| unsigned long long val; |
| int i; |
| |
| if (!f) { |
| trace_seq_puts(s, "field-not-found"); |
| return; |
| } |
| |
| if (pevent_read_number_field(f, data, &val)) { |
| trace_seq_puts(s, "field-invalid"); |
| return; |
| } |
| |
| for (i = 0; i < n_names; i++) { |
| if (names[i].value == val) { |
| trace_seq_puts(s, names[i].name); |
| return; |
| } |
| } |
| |
| trace_seq_printf(s, "%llu", val); |
| } |
| |
| #define print_enum(s, ev, name, data, enums...) \ |
| ({ static const struct value_name __n[] = { enums }; \ |
| _print_enum(s, ev, name, data, __n, sizeof(__n)/sizeof(__n[0])); \ |
| }) |
| |
| static void _print_flag(struct trace_seq *s, struct event_format *event, |
| const char *name, const void *data, |
| const struct value_name *names, int n_names) |
| { |
| struct format_field *f = pevent_find_field(event, name); |
| unsigned long long val; |
| int i, j, found, first = 1; |
| |
| if (!f) { |
| trace_seq_puts(s, "field-not-found"); |
| return; |
| } |
| |
| if (pevent_read_number_field(f, data, &val)) { |
| trace_seq_puts(s, "field-invalid"); |
| return; |
| } |
| |
| for (i = 0; i < 64; i++) { |
| if (!(val & (1ULL<<i))) |
| continue; |
| if (!first) |
| trace_seq_putc(s, '|'); |
| first = 0; |
| |
| found = 0; |
| for (j = 0; j < n_names; j++) { |
| if (i == names[j].value) { |
| trace_seq_puts(s, names[j].name); |
| found = 1; |
| break; |
| } |
| } |
| if (!found) |
| trace_seq_printf(s, "flag_%d", i); |
| } |
| } |
| |
| #define print_flag(s, ev, name, data, enums...) \ |
| ({ static const struct value_name __n[] = { enums }; \ |
| _print_flag(s, ev, name, data, __n, sizeof(__n)/sizeof(__n[0])); \ |
| }) |
| |
| #define SF(fn) pevent_print_num_field(s, fn ":%d", event, fn, record, 0) |
| #define SFX(fn) pevent_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 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); |
| pevent_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; |
| } |
| |
| static int drv_config(struct trace_seq *s, struct record *record, |
| struct event_format *event, void *context) |
| { |
| void *data = record->data; |
| |
| print_string(s, event, "wiphy_name", data); |
| trace_seq_putc(s, ' '); |
| print_flag(s, event, "flags", data, |
| { 0, "MONITOR" }, |
| { 1, "PS" }, |
| { 2, "IDLE" }, |
| { 3, "QOS"}, |
| ); |
| pevent_print_num_field(s, " chan:%d/", event, "center_freq", record, 1); |
| print_enum(s, event, "channel_type", data, |
| { 0, "noht" }, |
| { 1, "ht20" }, |
| { 2, "ht40-" }, |
| { 3, "ht40+" }); |
| trace_seq_putc(s, ' '); |
| SF("power_level"); |
| |
| return 0; |
| } |
| |
| int PEVENT_PLUGIN_LOADER(struct pevent *pevent) |
| { |
| pevent_register_event_handler(pevent, -1, "mac80211", "drv_bss_info_changed", |
| drv_bss_info_changed, NULL); |
| pevent_register_event_handler(pevent, -1, "mac80211", "drv_config", |
| drv_config, NULL); |
| |
| return 0; |
| } |