mirror of
https://git.kernel.org/pub/scm/network/wireless/iwd.git
synced 2024-10-06 03:18:46 +02:00
1781 lines
48 KiB
C
1781 lines
48 KiB
C
/*
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*
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* Wireless daemon for Linux
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*
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* Copyright (C) 2013-2014 Intel Corporation. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdio.h>
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#include <errno.h>
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#include <ctype.h>
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#include <unistd.h>
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#include <sys/ioctl.h>
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#include <sys/socket.h>
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#include <arpa/inet.h>
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#include <linux/if.h>
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#include <linux/if_arp.h>
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#include <linux/if_packet.h>
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#include <linux/if_ether.h>
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#include <linux/netlink.h>
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#include <linux/genetlink.h>
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#include <ell/ell.h>
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#include "linux/nl80211.h"
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#include "src/ie.h"
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#include "monitor/display.h"
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#include "monitor/nlmon.h"
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#define COLOR_REQUEST COLOR_BLUE
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#define COLOR_RESPONSE COLOR_MAGENTA
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#define COLOR_COMPLETE COLOR_MAGENTA
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#define COLOR_RESULT COLOR_MAGENTA
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#define COLOR_EVENT COLOR_CYAN
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enum msg_type {
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MSG_REQUEST,
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MSG_RESPONSE,
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MSG_COMPLETE,
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MSG_RESULT,
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MSG_EVENT,
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};
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struct nlmon {
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uint16_t id;
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struct l_io *io;
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struct l_io *pae_io;
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struct l_queue *req_list;
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};
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struct nlmon_req {
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uint32_t seq;
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uint32_t pid;
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uint16_t flags;
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uint8_t cmd;
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uint8_t version;
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};
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static void nlmon_req_free(void *data)
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{
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struct nlmon_req *req = data;
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l_free(req);
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}
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#define print_indent(indent, color1, prefix, title, color2, fmt, args...) \
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do { \
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printf("%*c%s%s%s%s" fmt "%s\n", (indent), ' ', \
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use_color() ? (color1) : "", prefix, title, \
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use_color() ? (color2) : "", ## args, \
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use_color() ? COLOR_OFF : ""); \
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} while (0)
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#define print_text(color, fmt, args...) \
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print_indent(4, COLOR_OFF, "", "", color, fmt, ## args)
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#define print_field(fmt, args...) \
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print_indent(4, COLOR_OFF, "", "", COLOR_OFF, fmt, ## args)
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#define print_attr(level, fmt, args...) \
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print_indent(4 + (level) * 4, COLOR_OFF, "", "", COLOR_OFF, \
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fmt, ## args)
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#define print_attr_color(level, color, fmt, args...) \
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print_indent(4 + (level) * 4, COLOR_OFF, "", "", color, \
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fmt, ## args)
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static void print_packet(const struct timeval *tv, char ident,
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const char *color, const char *label,
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const char *text, const char *extra)
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{
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printf("%s%c %s: %s%s %s\n", use_color() ? color : "", ident, label,
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text, use_color() ? COLOR_OFF : "" ,extra);
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}
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static void print_hexdump(unsigned int level,
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const unsigned char *buf, uint16_t len)
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{
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static const char hexdigits[] = "0123456789abcdef";
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char str[68];
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uint16_t i;
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if (!len)
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return;
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for (i = 0; i < len; i++) {
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str[((i % 16) * 3) + 0] = hexdigits[buf[i] >> 4];
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str[((i % 16) * 3) + 1] = hexdigits[buf[i] & 0xf];
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str[((i % 16) * 3) + 2] = ' ';
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str[(i % 16) + 49] = isprint(buf[i]) ? buf[i] : '.';
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if ((i + 1) % 16 == 0) {
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str[47] = ' ';
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str[48] = ' ';
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str[65] = '\0';
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print_attr_color(level, COLOR_WHITE, "%s", str);
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str[0] = ' ';
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}
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}
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if (i % 16 > 0) {
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uint16_t j;
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for (j = (i % 16); j < 16; j++) {
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str[(j * 3) + 0] = ' ';
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str[(j * 3) + 1] = ' ';
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str[(j * 3) + 2] = ' ';
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str[j + 49] = ' ';
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}
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str[47] = ' ';
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str[48] = ' ';
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str[65] = '\0';
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print_attr_color(level, COLOR_WHITE, "%s", str);
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}
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}
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static const struct {
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const uint8_t oui[3];
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const char *str;
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} oui_table[] = {
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{ { 0x00, 0x03, 0x7f }, "Atheros" },
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{ { 0x00, 0x03, 0x93 }, "Apple" },
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{ { 0x00, 0x0f, 0xac }, "IEEE 802.11" },
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{ { 0x00, 0x10, 0x18 }, "Broadcom" },
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{ { 0x00, 0x17, 0xf2 }, "Apple" },
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{ { 0x00, 0x40, 0x96 }, "Cisco Systems" },
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{ { 0x00, 0x50, 0xf2 }, "Microsoft" },
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{ { 0x00, 0x90, 0x4c }, "Epigram" },
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{ { 0x50, 0x6f, 0x9a }, "Wi-Fi Alliance" },
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{ }
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};
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static void print_ie_vendor(unsigned int level,
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const void *data, uint16_t size)
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{
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const uint8_t *oui = data;
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const char *str = NULL;
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unsigned int i;
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print_attr(level, "Vendor specific: len %u", size);
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if (size < 3) {
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print_hexdump(level + 1, data, size);
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return;
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}
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for (i = 0; oui_table[i].str; i++) {
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if (!memcmp(oui_table[i].oui, oui, 3)) {
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str = oui_table[i].str;
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break;
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}
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}
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if (str)
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print_attr(level + 1, "%s (%02x:%02x:%02x)", str,
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oui[0], oui[1], oui[2]);
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else
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print_attr(level + 1, "%02x:%02x:%02x",
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oui[0], oui[1], oui[2]);
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print_hexdump(level + 1, data + 3, size - 3);
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}
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static void print_ie(unsigned int level, const char *label,
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const void *data, uint16_t size)
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{
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struct ie_tlv_iter iter;
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print_attr(level, "%s: len %u", label, size);
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ie_tlv_iter_init(&iter, data, size);
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while (ie_tlv_iter_next(&iter)) {
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uint8_t tag = ie_tlv_iter_get_tag(&iter);
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switch (tag) {
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case IE_TYPE_VENDOR_SPECIFIC:
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print_ie_vendor(level + 1, iter.data, iter.len);
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break;
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default:
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print_attr(level + 1, "Tag %u: len %u", tag, iter.len);
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print_hexdump(level + 2, iter.data, iter.len);
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break;
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}
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}
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}
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static void print_frame_type(unsigned int level, const char *label,
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const void *data, uint16_t size)
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{
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uint16_t frame_type = *((uint16_t *) data);
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uint8_t type = frame_type & 0x000c;
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uint8_t subtype = (frame_type & 0x00f0) >> 4;
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const char *str;
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print_attr(level, "%s: 0x%04x", label, frame_type);
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switch (type) {
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case 0x00:
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str = "Management";
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break;
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default:
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str = "Reserved";
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break;
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}
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print_attr(level + 1, "Type: %s (%u)", str, type);
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switch (subtype) {
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case 0x00:
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str = "Association request";
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break;
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case 0x01:
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str = "Association response";
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break;
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case 0x02:
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str = "Reassociation request";
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break;
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case 0x03:
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str = "Reassociation response";
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break;
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case 0x04:
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str = "Probe request";
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break;
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case 0x05:
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str = "Probe response";
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break;
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case 0x06:
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str = "Timingd Advertisement";
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break;
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case 0x08:
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str = "Beacon";
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break;
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case 0x09:
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str = "ATIM";
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break;
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case 0x0a:
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str = "Disassociation";
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break;
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case 0x0b:
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str = "Authentication";
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break;
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case 0x0c:
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str = "Deauthentication";
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break;
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case 0x0d:
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str = "Action";
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break;
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case 0x0e:
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str = "Action No Ack";
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break;
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default:
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str = "Reserved";
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break;
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}
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print_attr(level + 1, "Subtype: %s (%u)", str, subtype);
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}
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static void print_frame(unsigned int level, const char *label,
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const void *data, uint16_t size)
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{
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print_attr(level, "%s: len %u", label, size);
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print_frame_type(level + 1, "Frame Type", data, 2);
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print_hexdump(level + 1, data, size);
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}
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typedef void (*attr_func_t) (unsigned int level, const char *label,
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const void *data, uint16_t size);
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enum attr_type {
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ATTR_UNSPEC,
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ATTR_FLAG,
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ATTR_U8,
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ATTR_U16,
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ATTR_U32,
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ATTR_U64,
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ATTR_S32,
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ATTR_S64,
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ATTR_STRING,
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ATTR_ADDRESS,
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ATTR_BINARY,
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ATTR_NESTED,
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ATTR_ARRAY,
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ATTR_FLAG_OR_U16,
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ATTR_CUSTOM,
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};
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struct attr_entry {
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uint16_t attr;
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const char *str;
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enum attr_type type;
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union {
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const struct attr_entry *nested;
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enum attr_type array_type;
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attr_func_t function;
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};
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};
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static const struct attr_entry iftype_table[] = {
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{ NL80211_IFTYPE_ADHOC, "Ad-hoc", ATTR_FLAG },
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{ NL80211_IFTYPE_STATION, "Station", ATTR_FLAG },
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{ NL80211_IFTYPE_AP, "AP", ATTR_FLAG },
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{ NL80211_IFTYPE_AP_VLAN, "AP-VLAN", ATTR_FLAG },
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{ NL80211_IFTYPE_WDS, "WDS", ATTR_FLAG },
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{ NL80211_IFTYPE_MONITOR, "Monitor", ATTR_FLAG },
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{ NL80211_IFTYPE_MESH_POINT, "Mesh-point", ATTR_FLAG },
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{ NL80211_IFTYPE_P2P_CLIENT, "P2P-Client", ATTR_FLAG },
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{ NL80211_IFTYPE_P2P_GO, "P2P-GO", ATTR_FLAG },
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{ NL80211_IFTYPE_P2P_DEVICE, "P2P-Device", ATTR_FLAG },
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{ }
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};
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static const struct attr_entry bss_param_table[] = {
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{ NL80211_STA_BSS_PARAM_CTS_PROT, "CTS protection", ATTR_FLAG },
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{ NL80211_STA_BSS_PARAM_SHORT_PREAMBLE, "Short Preamble", ATTR_FLAG },
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{ NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME,"Short Slot Time", ATTR_FLAG },
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{ NL80211_STA_BSS_PARAM_DTIM_PERIOD, "DTIM Period", ATTR_U8 },
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{ NL80211_STA_BSS_PARAM_BEACON_INTERVAL,"Beacon Interval", ATTR_U16 },
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{ }
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};
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static const struct attr_entry sta_flag_table[] = {
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{ NL80211_STA_FLAG_AUTHORIZED, "Authorized", ATTR_FLAG },
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{ NL80211_STA_FLAG_SHORT_PREAMBLE, "ShortPreamble",ATTR_FLAG },
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{ NL80211_STA_FLAG_WME, "WME", ATTR_FLAG },
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{ NL80211_STA_FLAG_MFP, "MFP", ATTR_FLAG },
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{ NL80211_STA_FLAG_AUTHENTICATED, "Authenticated",ATTR_FLAG },
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{ NL80211_STA_FLAG_TDLS_PEER, "TDLS-Peer", ATTR_FLAG },
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{ NL80211_STA_FLAG_ASSOCIATED, "Associated", ATTR_FLAG },
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{ }
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};
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static void print_sta_flag_update(unsigned int level, const char *label,
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const void *data, uint16_t size)
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{
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const struct nl80211_sta_flag_update *flags = data;
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unsigned int i;
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print_attr(level, "%s: len %u", label, size);
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print_attr(level + 1, "Mask: 0x%08x", flags->mask);
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for (i = 0; sta_flag_table[i].str; i++) {
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if (flags->mask & (1 << sta_flag_table[i].attr))
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print_attr(level + 2, "%s", sta_flag_table[i].str);
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}
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print_attr(level + 1, "Set: 0x%08x", flags->set);
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for (i = 0; sta_flag_table[i].str; i++) {
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if (flags->set & (1 << sta_flag_table[i].attr))
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print_attr(level + 2, "%s", sta_flag_table[i].str);
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}
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}
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static const struct attr_entry sta_info_table[] = {
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{ NL80211_STA_INFO_INACTIVE_TIME,
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"Inactivity time", ATTR_U32 },
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{ NL80211_STA_INFO_RX_BYTES, "Total RX bytes", ATTR_U32 },
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{ NL80211_STA_INFO_TX_BYTES, "Total TX bytes", ATTR_U32 },
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{ NL80211_STA_INFO_RX_BYTES64, "Total RX bytes", ATTR_U64 },
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{ NL80211_STA_INFO_TX_BYTES64, "Total TX bytes", ATTR_U64 },
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{ NL80211_STA_INFO_SIGNAL, "Signal strength", ATTR_U8 },
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{ NL80211_STA_INFO_TX_BITRATE, "TX bitrate" },
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{ NL80211_STA_INFO_RX_PACKETS, "RX packets", ATTR_U32 },
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{ NL80211_STA_INFO_TX_PACKETS, "TX packets", ATTR_U32 },
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{ NL80211_STA_INFO_TX_RETRIES, "TX retries", ATTR_U32 },
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{ NL80211_STA_INFO_TX_FAILED, "TX failed", ATTR_U32 },
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{ NL80211_STA_INFO_SIGNAL_AVG, "Signal strength average",
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ATTR_U8 },
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{ NL80211_STA_INFO_LLID, "Mesh LLID", ATTR_U16 },
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{ NL80211_STA_INFO_PLID, "Mesh PLID", ATTR_U16 },
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{ NL80211_STA_INFO_PLINK_STATE, "P-Link state" },
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{ NL80211_STA_INFO_RX_BITRATE, "RX bitrate" },
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{ NL80211_STA_INFO_BSS_PARAM, "BSS parameters",
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ATTR_NESTED, { bss_param_table } },
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{ NL80211_STA_INFO_CONNECTED_TIME,
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"Connected time", ATTR_U32 },
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{ NL80211_STA_INFO_STA_FLAGS, "Station flags",
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ATTR_CUSTOM, { .function = print_sta_flag_update } },
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{ NL80211_STA_INFO_BEACON_LOSS, "Beacon loss", ATTR_U32 },
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{ NL80211_STA_INFO_T_OFFSET, "Timing offset", ATTR_S64 },
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{ NL80211_STA_INFO_LOCAL_PM, "Local mesh PM", ATTR_U32 },
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{ NL80211_STA_INFO_PEER_PM, "Peer mesh PM", ATTR_U32 },
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{ NL80211_STA_INFO_NONPEER_PM, "Neighbor mesh PM", ATTR_U32 },
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{ NL80211_STA_INFO_CHAIN_SIGNAL,
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"Per-chain signal strength" },
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{ NL80211_STA_INFO_CHAIN_SIGNAL_AVG,
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"Per-chain signal strength average" },
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{ }
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};
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static const struct attr_entry bss_table[] = {
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{ NL80211_BSS_BSSID, "BSSID", ATTR_ADDRESS },
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{ NL80211_BSS_FREQUENCY, "Frequency", ATTR_U32 },
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{ NL80211_BSS_TSF, "TSF", ATTR_U64 },
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{ NL80211_BSS_BEACON_INTERVAL, "Beacon Interval",
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ATTR_U16 },
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{ NL80211_BSS_CAPABILITY, "Capability", ATTR_U16 },
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{ NL80211_BSS_INFORMATION_ELEMENTS, "IEs",
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ATTR_CUSTOM, { .function = print_ie } },
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{ NL80211_BSS_SIGNAL_MBM, "Signal mBm", ATTR_S32 },
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{ NL80211_BSS_SIGNAL_UNSPEC, "Signal Unspec",ATTR_U8 },
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{ NL80211_BSS_STATUS, "Status", ATTR_U32 },
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{ NL80211_BSS_SEEN_MS_AGO, "Seen ms ago", ATTR_U32 },
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{ NL80211_BSS_BEACON_IES, "Beacon IEs",
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ATTR_CUSTOM, { .function = print_ie } },
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{ NL80211_BSS_CHAN_WIDTH, "Chan Width", ATTR_U32 },
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{ }
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};
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static const struct attr_entry frame_types_field_table[] = {
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{ NL80211_ATTR_FRAME_TYPE,
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"Frame Type", ATTR_CUSTOM,
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{ .function = print_frame_type } },
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{ }
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};
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static const struct attr_entry frame_types_table[] = {
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{ NL80211_IFTYPE_ADHOC, "Ad-hoc", ATTR_NESTED,
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{ frame_types_field_table } },
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{ NL80211_IFTYPE_STATION, "Station", ATTR_NESTED,
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{ frame_types_field_table } },
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{ NL80211_IFTYPE_AP, "AP", ATTR_NESTED,
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{ frame_types_field_table } },
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{ NL80211_IFTYPE_AP_VLAN, "AP-VLAN", ATTR_NESTED,
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{ frame_types_field_table } },
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{ NL80211_IFTYPE_WDS, "WDS", ATTR_NESTED,
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{ frame_types_field_table } },
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{ NL80211_IFTYPE_MONITOR, "Monitor", ATTR_NESTED,
|
|
{ frame_types_field_table } },
|
|
{ NL80211_IFTYPE_MESH_POINT, "Mesh-point", ATTR_NESTED,
|
|
{ frame_types_field_table } },
|
|
{ NL80211_IFTYPE_P2P_CLIENT, "P2P-Client", ATTR_NESTED,
|
|
{ frame_types_field_table } },
|
|
{ NL80211_IFTYPE_P2P_GO, "P2P-GO", ATTR_NESTED,
|
|
{ frame_types_field_table } },
|
|
{ NL80211_IFTYPE_P2P_DEVICE, "P2P-Device", ATTR_NESTED,
|
|
{ frame_types_field_table } },
|
|
{ }
|
|
};
|
|
|
|
static const struct attr_entry cqm_table[] = {
|
|
{ NL80211_ATTR_CQM_RSSI_THOLD, "RSSI threshold", ATTR_U32 },
|
|
{ NL80211_ATTR_CQM_RSSI_HYST, "RSSI hysteresis", ATTR_U32 },
|
|
{ NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT,
|
|
"RSSI threshold event", ATTR_U32 },
|
|
{ NL80211_ATTR_CQM_PKT_LOSS_EVENT,
|
|
"Packet loss event", ATTR_U32 },
|
|
{ NL80211_ATTR_CQM_TXE_RATE, "TX error rate", ATTR_U32 },
|
|
{ NL80211_ATTR_CQM_TXE_PKTS, "TX error packets", ATTR_U32 },
|
|
{ NL80211_ATTR_CQM_TXE_INTVL, "TX error interval", ATTR_U32 },
|
|
{ }
|
|
};
|
|
|
|
static const struct attr_entry attr_table[] = {
|
|
{ NL80211_ATTR_WIPHY,
|
|
"Wiphy", ATTR_U32 },
|
|
{ NL80211_ATTR_WIPHY_NAME,
|
|
"Wiphy Name", ATTR_STRING },
|
|
{ NL80211_ATTR_IFINDEX,
|
|
"Interface Index", ATTR_U32 },
|
|
{ NL80211_ATTR_IFNAME,
|
|
"Interface Name", ATTR_STRING },
|
|
{ NL80211_ATTR_IFTYPE,
|
|
"Interface Type", ATTR_U32 },
|
|
{ NL80211_ATTR_MAC,
|
|
"MAC Address", ATTR_ADDRESS },
|
|
{ NL80211_ATTR_KEY_DATA,
|
|
"Key Data", ATTR_BINARY },
|
|
{ NL80211_ATTR_KEY_IDX,
|
|
"Key Index", ATTR_U8 },
|
|
{ NL80211_ATTR_KEY_CIPHER,
|
|
"Key Cipher", ATTR_U32 },
|
|
{ NL80211_ATTR_KEY_SEQ,
|
|
"Key Sequence", ATTR_BINARY },
|
|
{ NL80211_ATTR_KEY_DEFAULT,
|
|
"Key Default", ATTR_FLAG },
|
|
{ NL80211_ATTR_BEACON_INTERVAL,
|
|
"Beacon Interval", ATTR_U32 },
|
|
{ NL80211_ATTR_DTIM_PERIOD,
|
|
"DTIM Period", ATTR_U32 },
|
|
{ NL80211_ATTR_BEACON_HEAD,
|
|
"Beacon Head", ATTR_BINARY },
|
|
{ NL80211_ATTR_BEACON_TAIL,
|
|
"Beacon Tail", ATTR_BINARY },
|
|
{ NL80211_ATTR_STA_AID,
|
|
"Station AID", ATTR_U16 },
|
|
{ NL80211_ATTR_STA_FLAGS,
|
|
"Station Flags", ATTR_NESTED, { sta_flag_table } },
|
|
{ NL80211_ATTR_STA_LISTEN_INTERVAL,
|
|
"Station Listen Interval", ATTR_U16 },
|
|
{ NL80211_ATTR_STA_SUPPORTED_RATES,
|
|
"Station Supported Rates", ATTR_BINARY },
|
|
{ NL80211_ATTR_STA_VLAN,
|
|
"Station VLAN", ATTR_U32 },
|
|
{ NL80211_ATTR_STA_INFO,
|
|
"Station Info", ATTR_NESTED, { sta_info_table } },
|
|
{ NL80211_ATTR_WIPHY_BANDS,
|
|
"Wiphy Bands" },
|
|
{ NL80211_ATTR_MNTR_FLAGS,
|
|
"MNTR Flags" },
|
|
{ NL80211_ATTR_MESH_ID,
|
|
"Mesh ID", ATTR_BINARY },
|
|
{ NL80211_ATTR_STA_PLINK_ACTION,
|
|
"Station P-Link Action", ATTR_U8 },
|
|
{ NL80211_ATTR_MPATH_NEXT_HOP,
|
|
"Mesh Path Next Hop", ATTR_U32 },
|
|
{ NL80211_ATTR_MPATH_INFO,
|
|
"Mesh Path Info" },
|
|
{ NL80211_ATTR_BSS_CTS_PROT,
|
|
"BSS CTS Protection", ATTR_U8 },
|
|
{ NL80211_ATTR_BSS_SHORT_PREAMBLE,
|
|
"BSS Short Preamble", ATTR_U8 },
|
|
{ NL80211_ATTR_BSS_SHORT_SLOT_TIME,
|
|
"BSS Short Slot Time", ATTR_U8 },
|
|
{ NL80211_ATTR_HT_CAPABILITY,
|
|
"HT Capability" },
|
|
{ NL80211_ATTR_SUPPORTED_IFTYPES,
|
|
"Supported Interface Types", ATTR_NESTED,
|
|
{ iftype_table } },
|
|
{ NL80211_ATTR_REG_ALPHA2,
|
|
"Regulatory Alpha2", ATTR_STRING },
|
|
{ NL80211_ATTR_REG_RULES,
|
|
"Regulatory Rules" },
|
|
{ NL80211_ATTR_MESH_CONFIG,
|
|
"Mesh Configuration" },
|
|
{ NL80211_ATTR_BSS_BASIC_RATES,
|
|
"BSS Basic Rates", ATTR_BINARY },
|
|
{ NL80211_ATTR_WIPHY_TXQ_PARAMS,
|
|
"Wiphy TXQ Parameters" },
|
|
{ NL80211_ATTR_WIPHY_FREQ,
|
|
"Wiphy Frequency", ATTR_U32 },
|
|
{ NL80211_ATTR_WIPHY_CHANNEL_TYPE,
|
|
"Wiphy Channel Type", ATTR_U32 },
|
|
{ NL80211_ATTR_KEY_DEFAULT_MGMT,
|
|
"Key Default Management", ATTR_FLAG },
|
|
{ NL80211_ATTR_MGMT_SUBTYPE,
|
|
"Management Subtype", ATTR_U8 },
|
|
{ NL80211_ATTR_IE,
|
|
"Information Elements", ATTR_CUSTOM,
|
|
{ .function = print_ie } },
|
|
{ NL80211_ATTR_MAX_NUM_SCAN_SSIDS,
|
|
"Max Number Scan SSIDs", ATTR_U8 },
|
|
{ NL80211_ATTR_SCAN_FREQUENCIES,
|
|
"Scan Frequencies", ATTR_ARRAY,
|
|
{ .array_type = ATTR_U32 } },
|
|
{ NL80211_ATTR_SCAN_SSIDS,
|
|
"Scan SSIDs", ATTR_ARRAY,
|
|
{ .array_type = ATTR_BINARY } },
|
|
{ NL80211_ATTR_GENERATION,
|
|
"Generation", ATTR_U32 },
|
|
{ NL80211_ATTR_BSS,
|
|
"BSS", ATTR_NESTED, { bss_table } },
|
|
{ NL80211_ATTR_REG_INITIATOR,
|
|
"Regulatory Initiator" },
|
|
{ NL80211_ATTR_REG_TYPE,
|
|
"Regulatory Type" },
|
|
{ NL80211_ATTR_SUPPORTED_COMMANDS,
|
|
"Supported Commands", ATTR_ARRAY,
|
|
{ .array_type = ATTR_U32 } },
|
|
{ NL80211_ATTR_FRAME,
|
|
"Frame", ATTR_CUSTOM, { .function = print_frame } },
|
|
{ NL80211_ATTR_SSID,
|
|
"SSID", ATTR_BINARY },
|
|
{ NL80211_ATTR_AUTH_TYPE,
|
|
"Auth Type", ATTR_U32 },
|
|
{ NL80211_ATTR_REASON_CODE,
|
|
"Reason Code", ATTR_U16 },
|
|
{ NL80211_ATTR_KEY_TYPE,
|
|
"Key Type", ATTR_U32 },
|
|
{ NL80211_ATTR_MAX_SCAN_IE_LEN,
|
|
"Max Scan IE Length", ATTR_U16 },
|
|
{ NL80211_ATTR_CIPHER_SUITES,
|
|
"Cipher Suites" },
|
|
{ NL80211_ATTR_FREQ_BEFORE,
|
|
"Frequency Before" },
|
|
{ NL80211_ATTR_FREQ_AFTER,
|
|
"Frequency After" },
|
|
{ NL80211_ATTR_FREQ_FIXED,
|
|
"Frequency Fixed", ATTR_FLAG },
|
|
{ NL80211_ATTR_WIPHY_RETRY_SHORT,
|
|
"Wiphy Retry Short", ATTR_U8 },
|
|
{ NL80211_ATTR_WIPHY_RETRY_LONG,
|
|
"Wiphy Retry Long", ATTR_U8 },
|
|
{ NL80211_ATTR_WIPHY_FRAG_THRESHOLD,
|
|
"Wiphy Frag Threshold", ATTR_U32 },
|
|
{ NL80211_ATTR_WIPHY_RTS_THRESHOLD,
|
|
"Wiphy RTS Threshold", ATTR_U32 },
|
|
{ NL80211_ATTR_TIMED_OUT,
|
|
"Timed Out", ATTR_FLAG },
|
|
{ NL80211_ATTR_USE_MFP,
|
|
"Use MFP", ATTR_U32 },
|
|
{ NL80211_ATTR_STA_FLAGS2,
|
|
"Station Flags 2", ATTR_CUSTOM,
|
|
{ .function = print_sta_flag_update } },
|
|
{ NL80211_ATTR_CONTROL_PORT,
|
|
"Control Port", ATTR_FLAG },
|
|
{ NL80211_ATTR_TESTDATA,
|
|
"Test Data" },
|
|
{ NL80211_ATTR_PRIVACY,
|
|
"Privacy", ATTR_FLAG },
|
|
{ NL80211_ATTR_DISCONNECTED_BY_AP,
|
|
"Disconnect by AP", ATTR_FLAG },
|
|
{ NL80211_ATTR_STATUS_CODE,
|
|
"Status Code", ATTR_U16 },
|
|
{ NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
|
|
"Cipher Suites Pairwise" },
|
|
{ NL80211_ATTR_CIPHER_SUITE_GROUP,
|
|
"Cipher Suite Group", ATTR_U32 },
|
|
{ NL80211_ATTR_WPA_VERSIONS,
|
|
"WPA Versions", ATTR_U32 },
|
|
{ NL80211_ATTR_AKM_SUITES,
|
|
"AKM Suites" },
|
|
{ NL80211_ATTR_REQ_IE,
|
|
"Request IE", ATTR_CUSTOM, { .function = print_ie } },
|
|
{ NL80211_ATTR_RESP_IE,
|
|
"Response IE", ATTR_CUSTOM, { .function = print_ie } },
|
|
{ NL80211_ATTR_PREV_BSSID,
|
|
"Previous BSSID", ATTR_ADDRESS },
|
|
{ NL80211_ATTR_KEY,
|
|
"Key" },
|
|
{ NL80211_ATTR_KEYS,
|
|
"Keys" },
|
|
{ NL80211_ATTR_PID,
|
|
"PID", ATTR_U32 },
|
|
{ NL80211_ATTR_4ADDR,
|
|
"4-Address", ATTR_U8 },
|
|
{ NL80211_ATTR_SURVEY_INFO,
|
|
"Survey Info" },
|
|
{ NL80211_ATTR_PMKID,
|
|
"PMKID", ATTR_BINARY },
|
|
{ NL80211_ATTR_MAX_NUM_PMKIDS,
|
|
"Max Number PMKIDs", ATTR_U8 },
|
|
{ NL80211_ATTR_DURATION,
|
|
"Duration", ATTR_U32 },
|
|
{ NL80211_ATTR_COOKIE,
|
|
"Cookie", ATTR_U64 },
|
|
{ NL80211_ATTR_WIPHY_COVERAGE_CLASS,
|
|
"Wiphy Coverage Class", ATTR_U8 },
|
|
{ NL80211_ATTR_TX_RATES,
|
|
"TX Rates" },
|
|
{ NL80211_ATTR_FRAME_MATCH,
|
|
"Frame Match", ATTR_BINARY },
|
|
{ NL80211_ATTR_ACK,
|
|
"ACK", ATTR_FLAG },
|
|
{ NL80211_ATTR_PS_STATE,
|
|
"PS State", ATTR_U32 },
|
|
{ NL80211_ATTR_CQM,
|
|
"CQM", ATTR_NESTED, { cqm_table } },
|
|
{ NL80211_ATTR_LOCAL_STATE_CHANGE,
|
|
"Local State Change", ATTR_FLAG },
|
|
{ NL80211_ATTR_AP_ISOLATE,
|
|
"AP Isolate", ATTR_U8 },
|
|
{ NL80211_ATTR_WIPHY_TX_POWER_SETTING,
|
|
"Wiphy TX Power Setting", ATTR_U32 },
|
|
{ NL80211_ATTR_WIPHY_TX_POWER_LEVEL,
|
|
"Wiphy TX Power Level", ATTR_U32 },
|
|
{ NL80211_ATTR_TX_FRAME_TYPES,
|
|
"TX Frame Types", ATTR_NESTED,
|
|
{ frame_types_table } },
|
|
{ NL80211_ATTR_RX_FRAME_TYPES,
|
|
"RX Frame Types", ATTR_NESTED,
|
|
{ frame_types_table } },
|
|
{ NL80211_ATTR_FRAME_TYPE,
|
|
"Frame Type", ATTR_CUSTOM,
|
|
{ .function = print_frame_type } },
|
|
{ NL80211_ATTR_CONTROL_PORT_ETHERTYPE,
|
|
"Control Port Ethertype", ATTR_FLAG_OR_U16 },
|
|
{ NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT,
|
|
"Control Port No Encrypt", ATTR_FLAG },
|
|
{ NL80211_ATTR_SUPPORT_IBSS_RSN,
|
|
"Support IBSS RSN", ATTR_FLAG },
|
|
{ NL80211_ATTR_WIPHY_ANTENNA_TX,
|
|
"Wiphy Antenna TX", ATTR_U32 },
|
|
{ NL80211_ATTR_WIPHY_ANTENNA_RX,
|
|
"Wiphy Antenna RX", ATTR_U32 },
|
|
{ NL80211_ATTR_MCAST_RATE,
|
|
"Multicast Rate", ATTR_U32 },
|
|
{ NL80211_ATTR_OFFCHANNEL_TX_OK,
|
|
"Offchannel TX OK", ATTR_FLAG },
|
|
{ NL80211_ATTR_BSS_HT_OPMODE,
|
|
"BSS HT Operation Mode", ATTR_U16 },
|
|
{ NL80211_ATTR_KEY_DEFAULT_TYPES,
|
|
"Key Default Types" },
|
|
{ NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION,
|
|
"Remain on Channel Duration " },
|
|
{ NL80211_ATTR_MESH_SETUP,
|
|
"Mesh Setup" },
|
|
{ NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX,
|
|
"Wiphy Antenna Avail TX" },
|
|
{ NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX,
|
|
"Wiphy Antenna Avail RX" },
|
|
{ NL80211_ATTR_SUPPORT_MESH_AUTH,
|
|
"Support Mesh Auth", ATTR_FLAG },
|
|
{ NL80211_ATTR_STA_PLINK_STATE,
|
|
"Station P-Link State" },
|
|
{ NL80211_ATTR_WOWLAN_TRIGGERS,
|
|
"WoWLAN Triggers" },
|
|
{ NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED,
|
|
"WoWLAN Triggers Supported" },
|
|
{ NL80211_ATTR_SCHED_SCAN_INTERVAL,
|
|
"Scheduled Scan Interval", ATTR_U32 },
|
|
{ NL80211_ATTR_INTERFACE_COMBINATIONS,
|
|
"Interface Combinations" },
|
|
{ NL80211_ATTR_SOFTWARE_IFTYPES,
|
|
"Software Interface Types", ATTR_NESTED,
|
|
{ iftype_table } },
|
|
{ NL80211_ATTR_REKEY_DATA,
|
|
"Rekey Data" },
|
|
{ NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS,
|
|
"Max Num Sched Scan SSIDs", ATTR_U8 },
|
|
{ NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN,
|
|
"Max Sched Scan IE Len", ATTR_U16 },
|
|
{ NL80211_ATTR_SCAN_SUPP_RATES,
|
|
"Scan Supported Rates" },
|
|
{ NL80211_ATTR_HIDDEN_SSID,
|
|
"Hidden SSID", ATTR_U32 },
|
|
{ NL80211_ATTR_IE_PROBE_RESP,
|
|
"IE Probe Response", ATTR_CUSTOM,
|
|
{ .function = print_ie } },
|
|
{ NL80211_ATTR_IE_ASSOC_RESP,
|
|
"IE Assoc Response", ATTR_CUSTOM,
|
|
{ .function = print_ie } },
|
|
{ NL80211_ATTR_STA_WME,
|
|
"Station WME" },
|
|
{ NL80211_ATTR_SUPPORT_AP_UAPSD,
|
|
"Support AP UAPSD", ATTR_FLAG },
|
|
{ NL80211_ATTR_ROAM_SUPPORT,
|
|
"Roaming Support", ATTR_FLAG },
|
|
{ NL80211_ATTR_SCHED_SCAN_MATCH,
|
|
"Scheduled Scan Match" },
|
|
{ NL80211_ATTR_MAX_MATCH_SETS,
|
|
"Max Match Sets", ATTR_U8 },
|
|
{ NL80211_ATTR_PMKSA_CANDIDATE,
|
|
"PMKSA Candidate" },
|
|
{ NL80211_ATTR_TX_NO_CCK_RATE,
|
|
"TX No CCK Rate", ATTR_FLAG },
|
|
{ NL80211_ATTR_TDLS_ACTION,
|
|
"TDLS Action", ATTR_U8 },
|
|
{ NL80211_ATTR_TDLS_DIALOG_TOKEN,
|
|
"TDLS Dialog Token", ATTR_U8 },
|
|
{ NL80211_ATTR_TDLS_OPERATION,
|
|
"TDLS Operation", ATTR_U8 },
|
|
{ NL80211_ATTR_TDLS_SUPPORT,
|
|
"TDLS Support", ATTR_FLAG },
|
|
{ NL80211_ATTR_TDLS_EXTERNAL_SETUP,
|
|
"TDLS External Setup", ATTR_FLAG },
|
|
{ NL80211_ATTR_DEVICE_AP_SME,
|
|
"Device AP SME" },
|
|
{ NL80211_ATTR_DONT_WAIT_FOR_ACK,
|
|
"Don't Wait for Ack", ATTR_FLAG },
|
|
{ NL80211_ATTR_FEATURE_FLAGS,
|
|
"Feature Flags" },
|
|
{ NL80211_ATTR_PROBE_RESP_OFFLOAD,
|
|
"Probe Response Offload" },
|
|
{ NL80211_ATTR_PROBE_RESP,
|
|
"Probe Response" },
|
|
{ NL80211_ATTR_DFS_REGION,
|
|
"DFS Region", ATTR_U8 },
|
|
{ NL80211_ATTR_DISABLE_HT,
|
|
"Diable HT", ATTR_FLAG },
|
|
{ NL80211_ATTR_HT_CAPABILITY_MASK,
|
|
"HT Capability Mask" },
|
|
{ NL80211_ATTR_NOACK_MAP,
|
|
"No-Ack Map", ATTR_U16 },
|
|
{ NL80211_ATTR_INACTIVITY_TIMEOUT,
|
|
"Inactivity Timeout", ATTR_U16 },
|
|
{ NL80211_ATTR_RX_SIGNAL_DBM,
|
|
"RX Signal dBm", ATTR_U32 },
|
|
{ NL80211_ATTR_BG_SCAN_PERIOD,
|
|
"Background Scan Period", ATTR_U16 },
|
|
{ NL80211_ATTR_WDEV,
|
|
"Wireless Device", ATTR_U64 },
|
|
{ NL80211_ATTR_USER_REG_HINT_TYPE,
|
|
"User Regulatroy Hint Type", ATTR_U32 },
|
|
{ NL80211_ATTR_CONN_FAILED_REASON,
|
|
"Connection Failed Reason" },
|
|
{ NL80211_ATTR_SAE_DATA,
|
|
"SAE Data" },
|
|
{ NL80211_ATTR_VHT_CAPABILITY,
|
|
"VHT Capability" },
|
|
{ NL80211_ATTR_SCAN_FLAGS,
|
|
"Scan Flags", ATTR_U32 },
|
|
{ NL80211_ATTR_CHANNEL_WIDTH,
|
|
"Channel Width", ATTR_U32 },
|
|
{ NL80211_ATTR_CENTER_FREQ1,
|
|
"Center Frequency 1", ATTR_U32 },
|
|
{ NL80211_ATTR_CENTER_FREQ2,
|
|
"Center Frequency 2", ATTR_U32 },
|
|
{ NL80211_ATTR_P2P_CTWINDOW,
|
|
"P2P CT Window", ATTR_U8 },
|
|
{ NL80211_ATTR_P2P_OPPPS,
|
|
"P2P OP PPS", ATTR_U8 },
|
|
{ NL80211_ATTR_LOCAL_MESH_POWER_MODE,
|
|
"Local Mesh Power Mode" },
|
|
{ NL80211_ATTR_ACL_POLICY,
|
|
"ACL Policy", ATTR_U32 },
|
|
{ NL80211_ATTR_MAC_ADDRS,
|
|
"MAC Addresses" },
|
|
{ NL80211_ATTR_MAC_ACL_MAX,
|
|
"MAC ACL Max" },
|
|
{ NL80211_ATTR_RADAR_EVENT,
|
|
"Radar Event" },
|
|
{ NL80211_ATTR_EXT_CAPA,
|
|
"Extended Capabilities" },
|
|
{ NL80211_ATTR_EXT_CAPA_MASK,
|
|
"Extended Capabilities Mask" },
|
|
{ NL80211_ATTR_STA_CAPABILITY,
|
|
"Station Capability", ATTR_U16 },
|
|
{ NL80211_ATTR_STA_EXT_CAPABILITY,
|
|
"Station Extended Capability" },
|
|
{ NL80211_ATTR_PROTOCOL_FEATURES,
|
|
"Protocol Features", ATTR_U32 },
|
|
{ NL80211_ATTR_SPLIT_WIPHY_DUMP,
|
|
"Split Wiphy Dump", ATTR_FLAG},
|
|
{ NL80211_ATTR_DISABLE_VHT,
|
|
"Disable VHT" },
|
|
{ NL80211_ATTR_VHT_CAPABILITY_MASK,
|
|
"VHT Capability Mask" },
|
|
{ NL80211_ATTR_MDID,
|
|
"MDID", ATTR_U16 },
|
|
{ NL80211_ATTR_IE_RIC,
|
|
"IE RIC", ATTR_BINARY },
|
|
{ NL80211_ATTR_CRIT_PROT_ID,
|
|
"Critical Protocol ID" },
|
|
{ NL80211_ATTR_MAX_CRIT_PROT_DURATION,
|
|
"Max Criticial Protocol Duration" },
|
|
{ NL80211_ATTR_PEER_AID,
|
|
"Peer AID", ATTR_U16 },
|
|
{ NL80211_ATTR_COALESCE_RULE,
|
|
"Coalesce Rule" },
|
|
{ NL80211_ATTR_CH_SWITCH_COUNT,
|
|
"Channel Switch Count", ATTR_U32 },
|
|
{ NL80211_ATTR_CH_SWITCH_BLOCK_TX,
|
|
"Channel Switch Block TX", ATTR_FLAG },
|
|
{ NL80211_ATTR_CSA_IES,
|
|
"CSA IEs" },
|
|
{ NL80211_ATTR_CSA_C_OFF_BEACON,
|
|
"CSA C Off Beacon" },
|
|
{ NL80211_ATTR_CSA_C_OFF_PRESP,
|
|
"CSA C Off Response" },
|
|
{ NL80211_ATTR_RXMGMT_FLAGS,
|
|
"RX Management Flags", ATTR_U32 },
|
|
{ NL80211_ATTR_STA_SUPPORTED_CHANNELS,
|
|
"Station Supported Channels" },
|
|
{ NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES,
|
|
"Station Supported Operation Classes" },
|
|
{ NL80211_ATTR_HANDLE_DFS,
|
|
"Handle DFS", ATTR_FLAG },
|
|
{ NL80211_ATTR_SUPPORT_5_MHZ,
|
|
"Support 5 MHz" },
|
|
{ NL80211_ATTR_SUPPORT_10_MHZ,
|
|
"Support 10 MHz" },
|
|
{ NL80211_ATTR_OPMODE_NOTIF,
|
|
"Operation Mode Notification", ATTR_U8 },
|
|
{ NL80211_ATTR_VENDOR_ID,
|
|
"Vendor ID", ATTR_U32 },
|
|
{ NL80211_ATTR_VENDOR_SUBCMD,
|
|
"Vendor Subcommand", ATTR_U32 },
|
|
{ NL80211_ATTR_VENDOR_DATA,
|
|
"Vendor Data", ATTR_BINARY },
|
|
{ NL80211_ATTR_VENDOR_EVENTS,
|
|
"Vendor Events" },
|
|
{ NL80211_ATTR_QOS_MAP,
|
|
"QoS Map", ATTR_BINARY },
|
|
{ NL80211_ATTR_MAC_HINT,
|
|
"MAC Hint", ATTR_ADDRESS },
|
|
{ NL80211_ATTR_WIPHY_FREQ_HINT,
|
|
"Wiphy Frequency Hint", ATTR_U32 },
|
|
{ NL80211_ATTR_MAX_AP_ASSOC_STA,
|
|
"Max AP Assoc Station" },
|
|
{ NL80211_ATTR_TDLS_PEER_CAPABILITY,
|
|
"TDLS Peer Capability", ATTR_U32 },
|
|
{ NL80211_ATTR_IFACE_SOCKET_OWNER,
|
|
"Interface Socket Owner", ATTR_FLAG },
|
|
{ NL80211_ATTR_CSA_C_OFFSETS_TX,
|
|
"CSA C Offsets TX" },
|
|
{ NL80211_ATTR_MAX_CSA_COUNTERS,
|
|
"Max CSA Counters" },
|
|
{ }
|
|
};
|
|
|
|
#define NLA_OK(nla,len) ((len) >= (int) sizeof(struct nlattr) && \
|
|
(nla)->nla_len >= sizeof(struct nlattr) && \
|
|
(nla)->nla_len <= (len))
|
|
#define NLA_NEXT(nla,attrlen) ((attrlen) -= NLA_ALIGN((nla)->nla_len), \
|
|
(struct nlattr*)(((char*)(nla)) + \
|
|
NLA_ALIGN((nla)->nla_len)))
|
|
|
|
#define NLA_LENGTH(len) (NLA_ALIGN(sizeof(struct nlattr)) + (len))
|
|
#define NLA_DATA(nla) ((void*)(((char*)(nla)) + NLA_LENGTH(0)))
|
|
#define NLA_PAYLOAD(nla) ((int)((nla)->nla_len - NLA_LENGTH(0)))
|
|
|
|
static void print_value(int indent, const char *label, enum attr_type type,
|
|
const void *buf, uint32_t len)
|
|
{
|
|
uint16_t val_u16;
|
|
uint32_t val_u32;
|
|
|
|
switch (type) {
|
|
case ATTR_U16:
|
|
val_u16 = *((uint16_t *) buf);
|
|
print_attr(indent, "%s: %u (0x%04x)", label, val_u16, val_u16);
|
|
if (len != 2)
|
|
printf("malformed packet\n");
|
|
break;
|
|
case ATTR_U32:
|
|
val_u32 = *((uint32_t *) buf);
|
|
print_attr(indent, "%s: %u (0x%08x)", label, val_u32, val_u32);
|
|
if (len != 4)
|
|
printf("malformed packet\n");
|
|
break;
|
|
default:
|
|
print_attr(indent, "%s: len %u", label, len);
|
|
print_hexdump(indent + 1, buf, len);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void print_array(int indent, enum attr_type type,
|
|
const void *buf, uint32_t len)
|
|
{
|
|
const struct nlattr *nla;
|
|
|
|
for (nla = buf ; NLA_OK(nla, len); nla = NLA_NEXT(nla, len)) {
|
|
uint16_t nla_type = nla->nla_type & NLA_TYPE_MASK;
|
|
char str[8];
|
|
|
|
snprintf(str, sizeof(str), "%u", nla_type);
|
|
print_value(indent, str, type,
|
|
NLA_DATA(nla), NLA_PAYLOAD(nla));
|
|
}
|
|
}
|
|
|
|
static void print_attributes(int indent, const struct attr_entry *table,
|
|
const void *buf, uint32_t len)
|
|
{
|
|
const struct nlattr *nla;
|
|
const char *str;
|
|
int i;
|
|
|
|
for (nla = buf ; NLA_OK(nla, len); nla = NLA_NEXT(nla, len)) {
|
|
uint16_t nla_type = nla->nla_type & NLA_TYPE_MASK;
|
|
enum attr_type type;
|
|
enum attr_type array_type;
|
|
const struct attr_entry *nested;
|
|
attr_func_t function;
|
|
uint64_t val64;
|
|
uint32_t val32;
|
|
uint16_t val16;
|
|
uint8_t val8;
|
|
int32_t val_s32;
|
|
int64_t val_s64;
|
|
uint8_t *ptr;
|
|
char addr[18];
|
|
|
|
str = "Reserved";
|
|
type = ATTR_UNSPEC;
|
|
array_type = ATTR_UNSPEC;
|
|
nested = NULL;
|
|
|
|
if (table) {
|
|
for (i = 0; table[i].str; i++) {
|
|
if (nla_type == table[i].attr) {
|
|
str = table[i].str;
|
|
type = table[i].type;
|
|
nested = table[i].nested;
|
|
array_type = table[i].array_type;
|
|
function = table[i].function;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
switch (type) {
|
|
case ATTR_UNSPEC:
|
|
print_attr(indent, "%s: len %u", str,
|
|
NLA_PAYLOAD(nla));
|
|
print_hexdump(indent + 1,
|
|
NLA_DATA(nla), NLA_PAYLOAD(nla));
|
|
break;
|
|
case ATTR_FLAG:
|
|
print_attr(indent, "%s: true", str);
|
|
if (NLA_PAYLOAD(nla) != 0)
|
|
printf("malformed packet\n");
|
|
break;
|
|
case ATTR_U8:
|
|
val8 = *((uint8_t *) NLA_DATA(nla));
|
|
print_attr(indent, "%s: %u (0x%02x)", str, val8, val8);
|
|
if (NLA_PAYLOAD(nla) != 1)
|
|
printf("malformed packet\n");
|
|
break;
|
|
case ATTR_U16:
|
|
val16 = *((uint16_t *) NLA_DATA(nla));
|
|
print_attr(indent, "%s: %u (0x%04x)", str,
|
|
val16, val16);
|
|
if (NLA_PAYLOAD(nla) != 2)
|
|
printf("malformed packet\n");
|
|
break;
|
|
case ATTR_U32:
|
|
val32 = *((uint32_t *) NLA_DATA(nla));
|
|
print_attr(indent, "%s: %u (0x%08x)", str,
|
|
val32, val32);
|
|
if (NLA_PAYLOAD(nla) != 4)
|
|
printf("malformed packet\n");
|
|
break;
|
|
case ATTR_U64:
|
|
val64 = *((uint64_t *) NLA_DATA(nla));
|
|
print_attr(indent, "%s: %lu (0x%016lx)", str,
|
|
val64, val64);
|
|
if (NLA_PAYLOAD(nla) != 8)
|
|
printf("malformed packet\n");
|
|
break;
|
|
case ATTR_S32:
|
|
val_s32 = *((int32_t *) NLA_DATA(nla));
|
|
print_attr(indent, "%s: %d", str, val_s32);
|
|
if (NLA_PAYLOAD(nla) != 4)
|
|
printf("malformed packet\n");
|
|
break;
|
|
case ATTR_S64:
|
|
val_s64 = *((int64_t *) NLA_DATA(nla));
|
|
print_attr(indent, "%s: %ld", str, val_s64);
|
|
if (NLA_PAYLOAD(nla) != 4)
|
|
printf("malformed packet\n");
|
|
break;
|
|
case ATTR_STRING:
|
|
print_attr(indent, "%s: %s", str,
|
|
(char *) NLA_DATA(nla));
|
|
break;
|
|
case ATTR_ADDRESS:
|
|
ptr = NLA_DATA(nla);
|
|
snprintf(addr, sizeof(addr),
|
|
"%02X:%02X:%02X:%02X:%02X:%02X",
|
|
ptr[0], ptr[1], ptr[2],
|
|
ptr[3], ptr[4], ptr[5]);
|
|
print_attr(indent, "%s: %s", str, addr);
|
|
if (NLA_PAYLOAD(nla) != 6)
|
|
printf("malformed packet\n");
|
|
break;
|
|
case ATTR_BINARY:
|
|
print_attr(indent, "%s: len %u", str,
|
|
NLA_PAYLOAD(nla));
|
|
print_hexdump(indent + 1,
|
|
NLA_DATA(nla), NLA_PAYLOAD(nla));
|
|
break;
|
|
case ATTR_NESTED:
|
|
print_attr(indent, "%s: len %u", str,
|
|
NLA_PAYLOAD(nla));
|
|
if (!nested)
|
|
printf("missing table\n");
|
|
print_attributes(indent + 1, nested,
|
|
NLA_DATA(nla), NLA_PAYLOAD(nla));
|
|
break;
|
|
case ATTR_ARRAY:
|
|
print_attr(indent, "%s: len %u", str,
|
|
NLA_PAYLOAD(nla));
|
|
if (array_type == ATTR_UNSPEC)
|
|
printf("missing type\n");
|
|
print_array(indent + 1, array_type,
|
|
NLA_DATA(nla), NLA_PAYLOAD(nla));
|
|
break;
|
|
case ATTR_FLAG_OR_U16:
|
|
if (NLA_PAYLOAD(nla) == 0)
|
|
print_attr(indent, "%s: true", str);
|
|
else if (NLA_PAYLOAD(nla) == 2) {
|
|
val16 = *((uint16_t *) NLA_DATA(nla));
|
|
print_attr(indent, "%s: %u (0x%04x)", str,
|
|
val16, val16);
|
|
} else
|
|
printf("malformed packet\n");
|
|
break;
|
|
case ATTR_CUSTOM:
|
|
if (function)
|
|
function(indent, str, NLA_DATA(nla),
|
|
NLA_PAYLOAD(nla));
|
|
else
|
|
printf("missing function\n");
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
static const struct {
|
|
uint8_t cmd;
|
|
const char *str;
|
|
} cmd_table[] = {
|
|
{ NL80211_CMD_GET_WIPHY, "Get Wiphy" },
|
|
{ NL80211_CMD_SET_WIPHY, "Set Wiphy" },
|
|
{ NL80211_CMD_NEW_WIPHY, "New Wiphy" },
|
|
{ NL80211_CMD_DEL_WIPHY, "Del Wiphy" },
|
|
{ NL80211_CMD_GET_INTERFACE, "Get Interface" },
|
|
{ NL80211_CMD_SET_INTERFACE, "Set Interface" },
|
|
{ NL80211_CMD_NEW_INTERFACE, "New Interface" },
|
|
{ NL80211_CMD_DEL_INTERFACE, "Del Interface" },
|
|
{ NL80211_CMD_GET_KEY, "Get Key" },
|
|
{ NL80211_CMD_SET_KEY, "Set Key" },
|
|
{ NL80211_CMD_NEW_KEY, "New Key" },
|
|
{ NL80211_CMD_DEL_KEY, "Del Key" },
|
|
{ NL80211_CMD_GET_BEACON, "Get Beacon" },
|
|
{ NL80211_CMD_SET_BEACON, "Set Beacon" },
|
|
{ NL80211_CMD_START_AP, "Start AP" },
|
|
{ NL80211_CMD_STOP_AP, "Stop AP" },
|
|
{ NL80211_CMD_GET_STATION, "Get Station" },
|
|
{ NL80211_CMD_SET_STATION, "Set Station" },
|
|
{ NL80211_CMD_NEW_STATION, "New Station" },
|
|
{ NL80211_CMD_DEL_STATION, "Del Station" },
|
|
{ NL80211_CMD_GET_MPATH, "Get Mesh Path" },
|
|
{ NL80211_CMD_SET_MPATH, "Set Mesh Path" },
|
|
{ NL80211_CMD_NEW_MPATH, "New Mesh Path" },
|
|
{ NL80211_CMD_DEL_MPATH, "Del Mesh Path" },
|
|
{ NL80211_CMD_SET_BSS, "Set BSS" },
|
|
{ NL80211_CMD_SET_REG, "Set Reg" },
|
|
{ NL80211_CMD_REQ_SET_REG, "Req Set Reg" },
|
|
{ NL80211_CMD_GET_MESH_CONFIG, "Get Mesh Config" },
|
|
{ NL80211_CMD_SET_MESH_CONFIG, "Set Mesh Config" },
|
|
{ NL80211_CMD_SET_MGMT_EXTRA_IE, "Mgmt Extra IE" },
|
|
{ NL80211_CMD_GET_REG, "Get Reg" },
|
|
{ NL80211_CMD_GET_SCAN, "Get Scan" },
|
|
{ NL80211_CMD_TRIGGER_SCAN, "Trigger Scan" },
|
|
{ NL80211_CMD_NEW_SCAN_RESULTS, "New Scan Results" },
|
|
{ NL80211_CMD_SCAN_ABORTED, "Scan Aborted" },
|
|
{ NL80211_CMD_REG_CHANGE, "Reg Change" },
|
|
{ NL80211_CMD_AUTHENTICATE, "Authenticate" },
|
|
{ NL80211_CMD_ASSOCIATE, "Associate" },
|
|
{ NL80211_CMD_DEAUTHENTICATE, "Deauthenticate" },
|
|
{ NL80211_CMD_DISASSOCIATE, "Disassociate" },
|
|
{ NL80211_CMD_MICHAEL_MIC_FAILURE, "Michael MIC Failure" },
|
|
{ NL80211_CMD_REG_BEACON_HINT, "Reg Beacon Hint" },
|
|
{ NL80211_CMD_JOIN_IBSS, "Join IBSS" },
|
|
{ NL80211_CMD_LEAVE_IBSS, "Leave IBSS" },
|
|
{ NL80211_CMD_TESTMODE, "Test Mode" },
|
|
{ NL80211_CMD_CONNECT, "Connect" },
|
|
{ NL80211_CMD_ROAM, "Roam" },
|
|
{ NL80211_CMD_DISCONNECT, "Disconnect" },
|
|
{ NL80211_CMD_SET_WIPHY_NETNS, "Set Wiphy Netns" },
|
|
{ NL80211_CMD_GET_SURVEY, "Get Survey" },
|
|
{ NL80211_CMD_NEW_SURVEY_RESULTS, "New Survey Results" },
|
|
{ NL80211_CMD_SET_PMKSA, "Set PMKSA" },
|
|
{ NL80211_CMD_DEL_PMKSA, "Del PMKSA" },
|
|
{ NL80211_CMD_FLUSH_PMKSA, "Flush PMKSA" },
|
|
{ NL80211_CMD_REMAIN_ON_CHANNEL, "Remain on Channel" },
|
|
{ NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, "Cancel Remain on Channel"},
|
|
{ NL80211_CMD_SET_TX_BITRATE_MASK, "Set TX Bitrate Mask" },
|
|
{ NL80211_CMD_REGISTER_FRAME, "Register Frame" },
|
|
{ NL80211_CMD_FRAME, "Frame" },
|
|
{ NL80211_CMD_FRAME_TX_STATUS, "Frame TX Status" },
|
|
{ NL80211_CMD_SET_POWER_SAVE, "Set Power Save" },
|
|
{ NL80211_CMD_GET_POWER_SAVE, "Get Power Save" },
|
|
{ NL80211_CMD_SET_CQM, "Set CQM" },
|
|
{ NL80211_CMD_NOTIFY_CQM, "Notify CQM" },
|
|
{ NL80211_CMD_SET_CHANNEL, "Set Channel" },
|
|
{ NL80211_CMD_SET_WDS_PEER, "Set WDS Peer" },
|
|
{ NL80211_CMD_FRAME_WAIT_CANCEL, "Frame Wait Cancel" },
|
|
{ NL80211_CMD_JOIN_MESH, "Join Mesh" },
|
|
{ NL80211_CMD_LEAVE_MESH, "Leave Mesh" },
|
|
{ NL80211_CMD_UNPROT_DEAUTHENTICATE, "Unprot Deauthenticate" },
|
|
{ NL80211_CMD_UNPROT_DISASSOCIATE, "Unprot Disassociate" },
|
|
{ NL80211_CMD_NEW_PEER_CANDIDATE, "New Peer Candidate" },
|
|
{ NL80211_CMD_GET_WOWLAN, "Get WoWLAN" },
|
|
{ NL80211_CMD_SET_WOWLAN, "Set WoWLAN" },
|
|
{ NL80211_CMD_START_SCHED_SCAN, "Start Sched Scan" },
|
|
{ NL80211_CMD_STOP_SCHED_SCAN, "Stop Sched Scan" },
|
|
{ NL80211_CMD_SCHED_SCAN_RESULTS, "Sched Scan Results" },
|
|
{ NL80211_CMD_SCHED_SCAN_STOPPED, "Sched Scan Stopped" },
|
|
{ NL80211_CMD_SET_REKEY_OFFLOAD, "Set Rekey Offload" },
|
|
{ NL80211_CMD_PMKSA_CANDIDATE, "PMKSA Candidate" },
|
|
{ NL80211_CMD_TDLS_OPER, "TDLS Oper" },
|
|
{ NL80211_CMD_TDLS_MGMT, "TDLS Mgmt" },
|
|
{ NL80211_CMD_UNEXPECTED_FRAME, "Unexpected Frame" },
|
|
{ NL80211_CMD_PROBE_CLIENT, "Probe Client" },
|
|
{ NL80211_CMD_REGISTER_BEACONS, "Register Beacons" },
|
|
{ NL80211_CMD_UNEXPECTED_4ADDR_FRAME, "Unexpected 4addr Frame"},
|
|
{ NL80211_CMD_SET_NOACK_MAP, "Set NoAck Map" },
|
|
{ NL80211_CMD_CH_SWITCH_NOTIFY, "Channel Switch Notify" },
|
|
{ NL80211_CMD_START_P2P_DEVICE, "Start P2P Device" },
|
|
{ NL80211_CMD_STOP_P2P_DEVICE, "Stop P2P Device" },
|
|
{ NL80211_CMD_CONN_FAILED, "Conn Failed" },
|
|
{ NL80211_CMD_SET_MCAST_RATE, "Set Mcast Rate" },
|
|
{ NL80211_CMD_SET_MAC_ACL, "Set MAC ACL" },
|
|
{ NL80211_CMD_RADAR_DETECT, "Radar Detect" },
|
|
{ NL80211_CMD_GET_PROTOCOL_FEATURES, "Get Protocol Features" },
|
|
{ NL80211_CMD_UPDATE_FT_IES, "Update FT IEs" },
|
|
{ NL80211_CMD_FT_EVENT, "FT Event" },
|
|
{ NL80211_CMD_CRIT_PROTOCOL_START, "Crit Protocol Start" },
|
|
{ NL80211_CMD_CRIT_PROTOCOL_STOP, "Crit Protocol Stop" },
|
|
{ NL80211_CMD_GET_COALESCE, "Get Coalesce" },
|
|
{ NL80211_CMD_SET_COALESCE, "Set Coalesce" },
|
|
{ NL80211_CMD_CHANNEL_SWITCH, "Channel Switch" },
|
|
{ NL80211_CMD_VENDOR, "Vendor" },
|
|
{ NL80211_CMD_SET_QOS_MAP, "Set QoS Map" },
|
|
{ }
|
|
};
|
|
|
|
static void print_message(const struct timeval *tv, enum msg_type type,
|
|
uint16_t flags, int status,
|
|
uint8_t cmd, uint8_t version,
|
|
const void *data, uint32_t len)
|
|
{
|
|
char extra_str[64];
|
|
const char *label = "";
|
|
const char *color = COLOR_OFF;
|
|
const char *cmd_str;
|
|
bool out = false;
|
|
int i, pos;
|
|
|
|
switch (type) {
|
|
case MSG_REQUEST:
|
|
label = "Request";
|
|
color = COLOR_REQUEST;
|
|
out = true;
|
|
break;
|
|
case MSG_RESPONSE:
|
|
label = "Response";
|
|
color = COLOR_RESPONSE;
|
|
break;
|
|
case MSG_COMPLETE:
|
|
label = "Complete";
|
|
color = COLOR_COMPLETE;
|
|
break;
|
|
case MSG_RESULT:
|
|
label = "Result";
|
|
color = COLOR_RESULT;
|
|
break;
|
|
case MSG_EVENT:
|
|
label = "Event";
|
|
color = COLOR_EVENT;
|
|
break;
|
|
}
|
|
|
|
cmd_str = "Reserved";
|
|
|
|
for (i = 0; cmd_table[i].str; i++) {
|
|
if (cmd_table[i].cmd == cmd) {
|
|
cmd_str = cmd_table[i].str;
|
|
break;
|
|
}
|
|
}
|
|
|
|
pos = sprintf(extra_str, "(0x%02x) len %u", cmd, len);
|
|
|
|
if (flags) {
|
|
pos += sprintf(extra_str + pos, " [");
|
|
|
|
if (flags & NLM_F_MULTI) {
|
|
flags &= ~NLM_F_MULTI;
|
|
pos += sprintf(extra_str + pos, "multi%c",
|
|
flags ? ',' : ']');
|
|
}
|
|
|
|
if (flags & NLM_F_ACK) {
|
|
flags &= ~NLM_F_ACK;
|
|
pos += sprintf(extra_str + pos, "ack%c",
|
|
flags ? ',' : ']');
|
|
}
|
|
|
|
if (flags & NLM_F_ECHO) {
|
|
flags &= ~NLM_F_ECHO;
|
|
pos += sprintf(extra_str + pos, "echo%c",
|
|
flags ? ',' : ']');
|
|
}
|
|
|
|
if ((flags & NLM_F_DUMP) == NLM_F_DUMP) {
|
|
flags &= ~NLM_F_DUMP;
|
|
pos += sprintf(extra_str + pos, "dump%c",
|
|
flags ? ',' : ']');
|
|
}
|
|
|
|
if (flags)
|
|
pos += sprintf(extra_str + pos, "0x%x]", flags);
|
|
}
|
|
|
|
print_packet(tv, out ? '<' : '>', color, label, cmd_str, extra_str);
|
|
|
|
switch (type) {
|
|
case MSG_REQUEST:
|
|
case MSG_RESULT:
|
|
case MSG_EVENT:
|
|
print_attributes(0, attr_table, data, len);
|
|
break;
|
|
case MSG_RESPONSE:
|
|
print_field("Status: %s (%d)", strerror(status), status);
|
|
break;
|
|
case MSG_COMPLETE:
|
|
if (status < 0)
|
|
print_field("Status: %s (%d)",
|
|
strerror(-status), -status);
|
|
else
|
|
print_field("Status: %d", status);
|
|
break;
|
|
}
|
|
}
|
|
|
|
struct nlmon_req_match {
|
|
uint32_t seq;
|
|
uint32_t pid;
|
|
};
|
|
|
|
static bool nlmon_req_match(const void *a, const void *b)
|
|
{
|
|
const struct nlmon_req *req = a;
|
|
const struct nlmon_req_match *match = b;
|
|
|
|
return (req->seq == match->seq && req->pid == match->pid);
|
|
}
|
|
|
|
static void store_message(struct nlmon *nlmon, const struct timeval *tv,
|
|
const struct tpacket_auxdata *tp,
|
|
const struct nlmsghdr *nlmsg)
|
|
{
|
|
}
|
|
|
|
static void nlmon_message(struct nlmon *nlmon, const struct timeval *tv,
|
|
const struct tpacket_auxdata *tp,
|
|
const struct nlmsghdr *nlmsg)
|
|
{
|
|
struct nlmon_req *req;
|
|
|
|
if (nlmsg->nlmsg_type < NLMSG_MIN_TYPE) {
|
|
struct nlmon_req_match match = {
|
|
.seq = nlmsg->nlmsg_seq,
|
|
.pid = nlmsg->nlmsg_pid
|
|
};
|
|
|
|
req = l_queue_remove_if(nlmon->req_list,
|
|
nlmon_req_match, &match);
|
|
if (req) {
|
|
enum msg_type type;
|
|
struct nlmsgerr *err;
|
|
int status;
|
|
|
|
switch (nlmsg->nlmsg_type) {
|
|
case NLMSG_ERROR:
|
|
type = MSG_RESPONSE;
|
|
err = NLMSG_DATA(nlmsg);
|
|
status = -err->error;
|
|
break;
|
|
case NLMSG_DONE:
|
|
type = MSG_COMPLETE;
|
|
status = *((int *) NLMSG_DATA(nlmsg));
|
|
break;
|
|
default:
|
|
return;
|
|
}
|
|
|
|
store_message(nlmon, tv, tp, nlmsg);
|
|
print_message(tv, type, nlmsg->nlmsg_flags, status,
|
|
req->cmd, req->version,
|
|
NULL, sizeof(status));
|
|
nlmon_req_free(req);
|
|
}
|
|
return;
|
|
}
|
|
|
|
if (nlmsg->nlmsg_type != nlmon->id)
|
|
return;
|
|
|
|
if (nlmsg->nlmsg_flags & NLM_F_REQUEST) {
|
|
const struct genlmsghdr *genlmsg = NLMSG_DATA(nlmsg);
|
|
uint32_t flags = nlmsg->nlmsg_flags & ~NLM_F_REQUEST;
|
|
|
|
req = l_new(struct nlmon_req, 1);
|
|
|
|
req->seq = nlmsg->nlmsg_seq;
|
|
req->pid = nlmsg->nlmsg_pid;
|
|
req->flags = nlmsg->nlmsg_flags;
|
|
req->cmd = genlmsg->cmd;
|
|
req->version = genlmsg->version;
|
|
|
|
l_queue_push_tail(nlmon->req_list, req);
|
|
|
|
store_message(nlmon, tv, tp, nlmsg);
|
|
print_message(tv, MSG_REQUEST, flags, 0,
|
|
req->cmd, req->version,
|
|
NLMSG_DATA(nlmsg) + GENL_HDRLEN,
|
|
NLMSG_PAYLOAD(nlmsg, GENL_HDRLEN));
|
|
} else {
|
|
const struct genlmsghdr *genlmsg = NLMSG_DATA(nlmsg);
|
|
enum msg_type type = MSG_EVENT;
|
|
|
|
struct nlmon_req_match match = {
|
|
.seq = nlmsg->nlmsg_seq,
|
|
.pid = nlmsg->nlmsg_pid
|
|
};
|
|
|
|
req = l_queue_find(nlmon->req_list, nlmon_req_match, &match);
|
|
if (req) {
|
|
if (!(req->flags & NLM_F_ACK)) {
|
|
l_queue_remove(nlmon->req_list, req);
|
|
nlmon_req_free(req);
|
|
}
|
|
type = MSG_RESULT;
|
|
}
|
|
|
|
store_message(nlmon, tv, tp, nlmsg);
|
|
print_message(tv, type, nlmsg->nlmsg_flags, 0,
|
|
genlmsg->cmd, genlmsg->version,
|
|
NLMSG_DATA(nlmsg) + GENL_HDRLEN,
|
|
NLMSG_PAYLOAD(nlmsg, GENL_HDRLEN));
|
|
}
|
|
}
|
|
|
|
struct nlmon *nlmon_create(void)
|
|
{
|
|
struct nlmon *nlmon;
|
|
|
|
nlmon = l_new(struct nlmon, 1);
|
|
|
|
nlmon->id = GENL_ID_GENERATE;
|
|
nlmon->req_list = l_queue_new();
|
|
|
|
return nlmon;
|
|
}
|
|
|
|
void nlmon_destroy(struct nlmon *nlmon)
|
|
{
|
|
if (!nlmon)
|
|
return;
|
|
|
|
l_queue_destroy(nlmon->req_list, nlmon_req_free);
|
|
|
|
l_free(nlmon);
|
|
}
|
|
|
|
static void genl_ctrl(struct nlmon *nlmon, const void *data, uint32_t len)
|
|
{
|
|
const struct genlmsghdr *genlmsg = data;
|
|
const struct nlattr *nla;
|
|
char name[GENL_NAMSIZ];
|
|
uint16_t id = GENL_ID_GENERATE;
|
|
|
|
if (genlmsg->cmd != CTRL_CMD_NEWFAMILY)
|
|
return;
|
|
|
|
for (nla = data + GENL_HDRLEN; NLA_OK(nla, len);
|
|
nla = NLA_NEXT(nla, len)) {
|
|
switch (nla->nla_type & NLA_TYPE_MASK) {
|
|
case CTRL_ATTR_FAMILY_ID:
|
|
id = *((uint16_t *) NLA_DATA(nla));
|
|
break;
|
|
case CTRL_ATTR_FAMILY_NAME:
|
|
strncpy(name, NLA_DATA(nla), GENL_NAMSIZ);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (id == GENL_ID_GENERATE)
|
|
return;
|
|
|
|
if (!strcmp(name, NL80211_GENL_NAME))
|
|
nlmon->id = id;
|
|
}
|
|
|
|
void nlmon_print_rtnl(struct nlmon *nlmon, const struct timeval *tv,
|
|
const void *data, uint32_t size)
|
|
{
|
|
char str[16];
|
|
|
|
sprintf(str, "len %u", size);
|
|
|
|
print_packet(tv, '*', COLOR_WHITE, "Route Netlink", str, "");
|
|
}
|
|
|
|
void nlmon_print_genl(struct nlmon *nlmon, const struct timeval *tv,
|
|
const void *data, uint32_t size)
|
|
{
|
|
const struct nlmsghdr *nlmsg;
|
|
|
|
for (nlmsg = data; NLMSG_OK(nlmsg, size);
|
|
nlmsg = NLMSG_NEXT(nlmsg, size)) {
|
|
if (nlmsg->nlmsg_type == GENL_ID_CTRL)
|
|
genl_ctrl(nlmon, NLMSG_DATA(nlmsg),
|
|
NLMSG_PAYLOAD(nlmsg, 0));
|
|
else
|
|
nlmon_message(nlmon, tv, NULL, nlmsg);
|
|
}
|
|
}
|
|
|
|
static bool nlmon_receive(struct l_io *io, void *user_data)
|
|
{
|
|
struct nlmon *nlmon = user_data;
|
|
struct nlmsghdr *nlmsg;
|
|
struct msghdr msg;
|
|
struct sockaddr_ll sll;
|
|
struct iovec iov;
|
|
struct cmsghdr *cmsg;
|
|
struct timeval copy_tv;
|
|
struct tpacket_auxdata copy_tp;
|
|
const struct timeval *tv = NULL;
|
|
const struct tpacket_auxdata *tp = NULL;
|
|
unsigned char buf[8192];
|
|
unsigned char control[32];
|
|
ssize_t bytes_read;
|
|
int fd;
|
|
|
|
fd = l_io_get_fd(io);
|
|
if (fd < 0)
|
|
return false;
|
|
|
|
memset(&sll, 0, sizeof(sll));
|
|
|
|
memset(&iov, 0, sizeof(iov));
|
|
iov.iov_base = buf;
|
|
iov.iov_len = sizeof(buf);
|
|
|
|
memset(&msg, 0, sizeof(msg));
|
|
msg.msg_name = &sll;
|
|
msg.msg_namelen = sizeof(sll);
|
|
msg.msg_iov = &iov;
|
|
msg.msg_iovlen = 1;
|
|
msg.msg_control = control;
|
|
msg.msg_controllen = sizeof(control);
|
|
|
|
bytes_read = recvmsg(fd, &msg, 0);
|
|
if (bytes_read < 0) {
|
|
if (errno != EAGAIN && errno != EINTR)
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
if (sll.sll_protocol != htons(NETLINK_GENERIC))
|
|
return true;
|
|
|
|
if (sll.sll_hatype != ARPHRD_NETLINK)
|
|
return true;
|
|
|
|
for (cmsg = CMSG_FIRSTHDR(&msg); cmsg;
|
|
cmsg = CMSG_NXTHDR(&msg, cmsg)) {
|
|
if (cmsg->cmsg_level == SOL_SOCKET &&
|
|
cmsg->cmsg_type == SCM_TIMESTAMP) {
|
|
memcpy(©_tv, CMSG_DATA(cmsg), sizeof(copy_tv));
|
|
tv = ©_tv;
|
|
}
|
|
|
|
if (cmsg->cmsg_level == SOL_PACKET &&
|
|
cmsg->cmsg_type != PACKET_AUXDATA) {
|
|
memcpy(©_tp, CMSG_DATA(cmsg), sizeof(copy_tp));
|
|
tp = ©_tp;
|
|
}
|
|
}
|
|
|
|
for (nlmsg = iov.iov_base; NLMSG_OK(nlmsg, bytes_read);
|
|
nlmsg = NLMSG_NEXT(nlmsg, bytes_read)) {
|
|
nlmon_message(nlmon, tv, tp, nlmsg);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static struct l_io *open_packet(const char *name)
|
|
{
|
|
struct l_io *io;
|
|
struct sockaddr_ll sll;
|
|
struct packet_mreq mr;
|
|
struct ifreq ifr;
|
|
int fd, opt = 1;
|
|
|
|
fd = socket(PF_PACKET, SOCK_RAW | SOCK_CLOEXEC | SOCK_NONBLOCK, 0);
|
|
if (fd < 0) {
|
|
perror("Failed to create packet socket");
|
|
return NULL;
|
|
}
|
|
|
|
strncpy(ifr.ifr_name, name, IFNAMSIZ);
|
|
|
|
if (ioctl(fd, SIOCGIFINDEX, &ifr) < 0) {
|
|
perror("Failed to get monitor index");
|
|
close(fd);
|
|
return NULL;
|
|
}
|
|
|
|
memset(&sll, 0, sizeof(sll));
|
|
sll.sll_family = AF_PACKET;
|
|
sll.sll_protocol = htons(ETH_P_ALL);
|
|
sll.sll_ifindex = ifr.ifr_ifindex;
|
|
|
|
if (bind(fd, (struct sockaddr *) &sll, sizeof(sll)) < 0) {
|
|
perror("Failed to bind packet socket");
|
|
close(fd);
|
|
return NULL;
|
|
}
|
|
|
|
memset(&mr, 0, sizeof(mr));
|
|
mr.mr_ifindex = ifr.ifr_ifindex;
|
|
mr.mr_type = PACKET_MR_ALLMULTI;
|
|
|
|
if (setsockopt(fd, SOL_PACKET, PACKET_ADD_MEMBERSHIP,
|
|
&mr, sizeof(mr)) < 0) {
|
|
perror("Failed to enable all multicast");
|
|
close(fd);
|
|
return NULL;
|
|
}
|
|
|
|
if (setsockopt(fd, SOL_SOCKET, SO_TIMESTAMP, &opt, sizeof(opt)) < 0) {
|
|
perror("Failed to enable timestamps");
|
|
close(fd);
|
|
return NULL;
|
|
}
|
|
|
|
io = l_io_new(fd);
|
|
|
|
l_io_set_close_on_destroy(io, true);
|
|
|
|
return io;
|
|
}
|
|
|
|
void nlmon_print_pae(struct nlmon *nlmon, const struct timeval *tv,
|
|
uint8_t type, uint32_t index,
|
|
const void *data, uint32_t size)
|
|
{
|
|
char str[16];
|
|
|
|
sprintf(str, "len %u", size);
|
|
|
|
print_packet(tv, (type == PACKET_HOST) ? '>' : '<',
|
|
COLOR_YELLOW, "PAE Packet", str, "");
|
|
print_attr(0, "Interface Index: %u", index);
|
|
print_hexdump(0, data, size);
|
|
}
|
|
|
|
static bool pae_receive(struct l_io *io, void *user_data)
|
|
{
|
|
struct nlmon *nlmon = user_data;
|
|
struct msghdr msg;
|
|
struct sockaddr_ll sll;
|
|
struct iovec iov;
|
|
struct cmsghdr *cmsg;
|
|
struct timeval copy_tv;
|
|
const struct timeval *tv = NULL;
|
|
unsigned char buf[8192];
|
|
unsigned char control[32];
|
|
ssize_t bytes_read;
|
|
int fd;
|
|
|
|
fd = l_io_get_fd(io);
|
|
if (fd < 0)
|
|
return false;
|
|
|
|
memset(&sll, 0, sizeof(sll));
|
|
|
|
memset(&iov, 0, sizeof(iov));
|
|
iov.iov_base = buf;
|
|
iov.iov_len = sizeof(buf);
|
|
|
|
memset(&msg, 0, sizeof(msg));
|
|
msg.msg_name = &sll;
|
|
msg.msg_namelen = sizeof(sll);
|
|
msg.msg_iov = &iov;
|
|
msg.msg_iovlen = 1;
|
|
msg.msg_control = control;
|
|
msg.msg_controllen = sizeof(control);
|
|
|
|
bytes_read = recvmsg(fd, &msg, 0);
|
|
if (bytes_read < 0) {
|
|
if (errno != EAGAIN && errno != EINTR)
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
if (sll.sll_protocol != htons(ETH_P_PAE))
|
|
return true;
|
|
|
|
if (sll.sll_hatype != ARPHRD_ETHER)
|
|
return true;
|
|
|
|
for (cmsg = CMSG_FIRSTHDR(&msg); cmsg;
|
|
cmsg = CMSG_NXTHDR(&msg, cmsg)) {
|
|
if (cmsg->cmsg_level == SOL_SOCKET &&
|
|
cmsg->cmsg_type == SCM_TIMESTAMP) {
|
|
memcpy(©_tv, CMSG_DATA(cmsg), sizeof(copy_tv));
|
|
tv = ©_tv;
|
|
}
|
|
}
|
|
|
|
nlmon_print_pae(nlmon, tv, sll.sll_pkttype, sll.sll_ifindex,
|
|
buf, bytes_read);
|
|
|
|
return true;
|
|
}
|
|
|
|
static struct l_io *open_pae(void)
|
|
{
|
|
struct l_io *io;
|
|
int fd, opt = 1;
|
|
|
|
fd = socket(PF_PACKET, SOCK_DGRAM | SOCK_CLOEXEC | SOCK_NONBLOCK,
|
|
htons(ETH_P_PAE));
|
|
if (fd < 0) {
|
|
perror("Failed to create authentication socket");
|
|
return NULL;
|
|
}
|
|
|
|
if (setsockopt(fd, SOL_SOCKET, SO_TIMESTAMP, &opt, sizeof(opt)) < 0) {
|
|
perror("Failed to enable authentication imestamps");
|
|
close(fd);
|
|
return NULL;
|
|
}
|
|
|
|
io = l_io_new(fd);
|
|
|
|
l_io_set_close_on_destroy(io, true);
|
|
|
|
return io;
|
|
}
|
|
|
|
struct nlmon *nlmon_open(const char *ifname, uint16_t id)
|
|
{
|
|
struct nlmon *nlmon;
|
|
struct l_io *io, *pae_io;
|
|
|
|
io = open_packet(ifname);
|
|
if (!io)
|
|
return NULL;
|
|
|
|
pae_io = open_pae();
|
|
if (!pae_io) {
|
|
l_io_destroy(io);
|
|
return NULL;
|
|
}
|
|
|
|
nlmon = l_new(struct nlmon, 1);
|
|
|
|
nlmon->id = id;
|
|
nlmon->io = io;
|
|
nlmon->pae_io = pae_io;
|
|
nlmon->req_list = l_queue_new();
|
|
|
|
l_io_set_read_handler(nlmon->io, nlmon_receive, nlmon, NULL);
|
|
l_io_set_read_handler(nlmon->pae_io, pae_receive, nlmon, NULL);
|
|
|
|
return nlmon;
|
|
}
|
|
|
|
void nlmon_close(struct nlmon *nlmon)
|
|
{
|
|
if (!nlmon)
|
|
return;
|
|
|
|
l_io_destroy(nlmon->io);
|
|
l_io_destroy(nlmon->pae_io);
|
|
l_queue_destroy(nlmon->req_list, nlmon_req_free);
|
|
|
|
l_free(nlmon);
|
|
}
|