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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /tools/lib/traceevent/plugins/plugin_mac80211.c | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/lib/traceevent/plugins/plugin_mac80211.c')
-rw-r--r-- | tools/lib/traceevent/plugins/plugin_mac80211.c | 88 |
1 files changed, 88 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 000000000..f48071e3c --- /dev/null +++ b/tools/lib/traceevent/plugins/plugin_mac80211.c @@ -0,0 +1,88 @@ +// SPDX-License-Identifier: LGPL-2.1 +/* + * Copyright (C) 2009 Johannes Berg <johannes@sipsolutions.net> + */ +#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); +} |