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88 lines
2.0 KiB
88 lines
2.0 KiB
// SPDX-License-Identifier: LGPL-2.1 |
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/* |
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* Copyright (C) 2009 Johannes Berg <[email protected]> |
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*/ |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include "event-parse.h" |
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#include "trace-seq.h" |
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#define INDENT 65 |
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static void print_string(struct trace_seq *s, struct tep_event *event, |
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const char *name, const void *data) |
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{ |
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struct tep_format_field *f = tep_find_field(event, name); |
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int offset; |
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int length; |
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if (!f) { |
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trace_seq_printf(s, "NOTFOUND:%s", name); |
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return; |
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} |
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offset = f->offset; |
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length = f->size; |
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if (!strncmp(f->type, "__data_loc", 10)) { |
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unsigned long long v; |
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if (tep_read_number_field(f, data, &v)) { |
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trace_seq_printf(s, "invalid_data_loc"); |
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return; |
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} |
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offset = v & 0xffff; |
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length = v >> 16; |
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} |
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trace_seq_printf(s, "%.*s", length, (char *)data + offset); |
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} |
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#define SF(fn) tep_print_num_field(s, fn ":%d", event, fn, record, 0) |
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#define SFX(fn) tep_print_num_field(s, fn ":%#x", event, fn, record, 0) |
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#define SP() trace_seq_putc(s, ' ') |
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static int drv_bss_info_changed(struct trace_seq *s, |
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struct tep_record *record, |
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struct tep_event *event, void *context) |
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{ |
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void *data = record->data; |
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print_string(s, event, "wiphy_name", data); |
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trace_seq_printf(s, " vif:"); |
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print_string(s, event, "vif_name", data); |
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tep_print_num_field(s, "(%d)", event, "vif_type", record, 1); |
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trace_seq_printf(s, "\n%*s", INDENT, ""); |
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SF("assoc"); SP(); |
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SF("aid"); SP(); |
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SF("cts"); SP(); |
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SF("shortpre"); SP(); |
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SF("shortslot"); SP(); |
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SF("dtimper"); SP(); |
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trace_seq_printf(s, "\n%*s", INDENT, ""); |
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SF("bcnint"); SP(); |
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SFX("assoc_cap"); SP(); |
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SFX("basic_rates"); SP(); |
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SF("enable_beacon"); |
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trace_seq_printf(s, "\n%*s", INDENT, ""); |
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SF("ht_operation_mode"); |
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return 0; |
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} |
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int TEP_PLUGIN_LOADER(struct tep_handle *tep) |
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{ |
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tep_register_event_handler(tep, -1, "mac80211", |
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"drv_bss_info_changed", |
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drv_bss_info_changed, NULL); |
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return 0; |
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} |
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void TEP_PLUGIN_UNLOADER(struct tep_handle *tep) |
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{ |
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tep_unregister_event_handler(tep, -1, "mac80211", |
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"drv_bss_info_changed", |
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drv_bss_info_changed, NULL); |
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}
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