diff options
Diffstat (limited to 'tools/lib/traceevent/plugin_mac80211.c')
-rw-r--r-- | tools/lib/traceevent/plugin_mac80211.c | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/tools/lib/traceevent/plugin_mac80211.c b/tools/lib/traceevent/plugin_mac80211.c new file mode 100644 index 000000000000..7e15a0f1c2fd --- /dev/null +++ b/tools/lib/traceevent/plugin_mac80211.c | |||
@@ -0,0 +1,102 @@ | |||
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" | ||
25 | |||
26 | #define INDENT 65 | ||
27 | |||
28 | static void print_string(struct trace_seq *s, struct event_format *event, | ||
29 | const char *name, const void *data) | ||
30 | { | ||
31 | struct format_field *f = pevent_find_field(event, name); | ||
32 | int offset; | ||
33 | int length; | ||
34 | |||
35 | if (!f) { | ||
36 | trace_seq_printf(s, "NOTFOUND:%s", name); | ||
37 | return; | ||
38 | } | ||
39 | |||
40 | offset = f->offset; | ||
41 | length = f->size; | ||
42 | |||
43 | if (!strncmp(f->type, "__data_loc", 10)) { | ||
44 | unsigned long long v; | ||
45 | if (pevent_read_number_field(f, data, &v)) { | ||
46 | trace_seq_printf(s, "invalid_data_loc"); | ||
47 | return; | ||
48 | } | ||
49 | offset = v & 0xffff; | ||
50 | length = v >> 16; | ||
51 | } | ||
52 | |||
53 | trace_seq_printf(s, "%.*s", length, (char *)data + offset); | ||
54 | } | ||
55 | |||
56 | #define SF(fn) pevent_print_num_field(s, fn ":%d", event, fn, record, 0) | ||
57 | #define SFX(fn) pevent_print_num_field(s, fn ":%#x", event, fn, record, 0) | ||
58 | #define SP() trace_seq_putc(s, ' ') | ||
59 | |||
60 | static int drv_bss_info_changed(struct trace_seq *s, | ||
61 | struct pevent_record *record, | ||
62 | struct event_format *event, void *context) | ||
63 | { | ||
64 | void *data = record->data; | ||
65 | |||
66 | print_string(s, event, "wiphy_name", data); | ||
67 | trace_seq_printf(s, " vif:"); | ||
68 | print_string(s, event, "vif_name", data); | ||
69 | pevent_print_num_field(s, "(%d)", event, "vif_type", record, 1); | ||
70 | |||
71 | trace_seq_printf(s, "\n%*s", INDENT, ""); | ||
72 | SF("assoc"); SP(); | ||
73 | SF("aid"); SP(); | ||
74 | SF("cts"); SP(); | ||
75 | SF("shortpre"); SP(); | ||
76 | SF("shortslot"); SP(); | ||
77 | SF("dtimper"); SP(); | ||
78 | trace_seq_printf(s, "\n%*s", INDENT, ""); | ||
79 | SF("bcnint"); SP(); | ||
80 | SFX("assoc_cap"); SP(); | ||
81 | SFX("basic_rates"); SP(); | ||
82 | SF("enable_beacon"); | ||
83 | trace_seq_printf(s, "\n%*s", INDENT, ""); | ||
84 | SF("ht_operation_mode"); | ||
85 | |||
86 | return 0; | ||
87 | } | ||
88 | |||
89 | int PEVENT_PLUGIN_LOADER(struct pevent *pevent) | ||
90 | { | ||
91 | pevent_register_event_handler(pevent, -1, "mac80211", | ||
92 | "drv_bss_info_changed", | ||
93 | drv_bss_info_changed, NULL); | ||
94 | return 0; | ||
95 | } | ||
96 | |||
97 | void PEVENT_PLUGIN_UNLOADER(struct pevent *pevent) | ||
98 | { | ||
99 | pevent_unregister_event_handler(pevent, -1, "mac80211", | ||
100 | "drv_bss_info_changed", | ||
101 | drv_bss_info_changed, NULL); | ||
102 | } | ||