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de705e2e JO |
1 | /* |
2 | * Copyright (C) 2009 Johannes Berg <johannes@sipsolutions.net> | |
3 | * | |
4 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
5 | * This program is free software; you can redistribute it and/or | |
6 | * modify it under the terms of the GNU Lesser General Public | |
7 | * License as published by the Free Software Foundation; | |
8 | * version 2.1 of the License (not later!) | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU Lesser General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU Lesser General Public | |
16 | * License along with this program; if not, see <http://www.gnu.org/licenses> | |
17 | * | |
18 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
19 | */ | |
20 | #include <stdio.h> | |
21 | #include <stdlib.h> | |
22 | #include <string.h> | |
23 | ||
24 | #include "event-parse.h" | |
266b851c | 25 | #include "trace-seq.h" |
de705e2e JO |
26 | |
27 | #define INDENT 65 | |
28 | ||
97fbf3f0 | 29 | static void print_string(struct trace_seq *s, struct tep_event *event, |
de705e2e JO |
30 | const char *name, const void *data) |
31 | { | |
2c92f982 | 32 | struct tep_format_field *f = tep_find_field(event, name); |
de705e2e JO |
33 | int offset; |
34 | int length; | |
35 | ||
36 | if (!f) { | |
37 | trace_seq_printf(s, "NOTFOUND:%s", name); | |
38 | return; | |
39 | } | |
40 | ||
41 | offset = f->offset; | |
42 | length = f->size; | |
43 | ||
44 | if (!strncmp(f->type, "__data_loc", 10)) { | |
45 | unsigned long long v; | |
59c1baee | 46 | if (tep_read_number_field(f, data, &v)) { |
de705e2e JO |
47 | trace_seq_printf(s, "invalid_data_loc"); |
48 | return; | |
49 | } | |
50 | offset = v & 0xffff; | |
51 | length = v >> 16; | |
52 | } | |
53 | ||
54 | trace_seq_printf(s, "%.*s", length, (char *)data + offset); | |
55 | } | |
56 | ||
6a48dc29 TSV |
57 | #define SF(fn) tep_print_num_field(s, fn ":%d", event, fn, record, 0) |
58 | #define SFX(fn) tep_print_num_field(s, fn ":%#x", event, fn, record, 0) | |
de705e2e JO |
59 | #define SP() trace_seq_putc(s, ' ') |
60 | ||
61 | static int drv_bss_info_changed(struct trace_seq *s, | |
cbc49b25 | 62 | struct tep_record *record, |
97fbf3f0 | 63 | struct tep_event *event, void *context) |
de705e2e JO |
64 | { |
65 | void *data = record->data; | |
66 | ||
67 | print_string(s, event, "wiphy_name", data); | |
68 | trace_seq_printf(s, " vif:"); | |
69 | print_string(s, event, "vif_name", data); | |
6a48dc29 | 70 | tep_print_num_field(s, "(%d)", event, "vif_type", record, 1); |
de705e2e JO |
71 | |
72 | trace_seq_printf(s, "\n%*s", INDENT, ""); | |
73 | SF("assoc"); SP(); | |
74 | SF("aid"); SP(); | |
75 | SF("cts"); SP(); | |
76 | SF("shortpre"); SP(); | |
77 | SF("shortslot"); SP(); | |
78 | SF("dtimper"); SP(); | |
79 | trace_seq_printf(s, "\n%*s", INDENT, ""); | |
80 | SF("bcnint"); SP(); | |
81 | SFX("assoc_cap"); SP(); | |
82 | SFX("basic_rates"); SP(); | |
83 | SF("enable_beacon"); | |
84 | trace_seq_printf(s, "\n%*s", INDENT, ""); | |
85 | SF("ht_operation_mode"); | |
86 | ||
87 | return 0; | |
88 | } | |
89 | ||
c32d52b4 | 90 | int TEP_PLUGIN_LOADER(struct tep_handle *pevent) |
de705e2e | 91 | { |
b843e9c3 TSV |
92 | tep_register_event_handler(pevent, -1, "mac80211", |
93 | "drv_bss_info_changed", | |
94 | drv_bss_info_changed, NULL); | |
de705e2e JO |
95 | return 0; |
96 | } | |
ec7c6deb | 97 | |
c32d52b4 | 98 | void TEP_PLUGIN_UNLOADER(struct tep_handle *pevent) |
ec7c6deb | 99 | { |
b843e9c3 TSV |
100 | tep_unregister_event_handler(pevent, -1, "mac80211", |
101 | "drv_bss_info_changed", | |
102 | drv_bss_info_changed, NULL); | |
ec7c6deb | 103 | } |