16c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt/* 26c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * Driver interaction with Linux nl80211/cfg80211 - Scanning 3d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt * Copyright(c) 2015 Intel Deutschland GmbH 46c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * Copyright (c) 2002-2014, Jouni Malinen <j@w1.fi> 56c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * Copyright (c) 2007, Johannes Berg <johannes@sipsolutions.net> 66c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * Copyright (c) 2009-2010, Atheros Communications 76c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * 86c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * This software may be distributed under the terms of the BSD license. 96c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * See README for more details. 106c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt */ 116c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 126c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt#include "includes.h" 136c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt#include <netlink/genl/genl.h> 146c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 156c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt#include "utils/common.h" 166c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt#include "utils/eloop.h" 176c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt#include "common/ieee802_11_defs.h" 1857c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt#include "common/ieee802_11_common.h" 19d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt#include "common/qca-vendor.h" 206c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt#include "driver_nl80211.h" 216c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 226c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 236c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidtstatic int get_noise_for_scan_results(struct nl_msg *msg, void *arg) 246c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt{ 256c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt struct nlattr *tb[NL80211_ATTR_MAX + 1]; 266c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); 276c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1]; 286c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = { 296c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 }, 306c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 }, 316c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt }; 326c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt struct wpa_scan_results *scan_results = arg; 336c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt struct wpa_scan_res *scan_res; 346c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt size_t i; 356c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 366c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), 376c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt genlmsg_attrlen(gnlh, 0), NULL); 386c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 396c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (!tb[NL80211_ATTR_SURVEY_INFO]) { 406c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt wpa_printf(MSG_DEBUG, "nl80211: Survey data missing"); 416c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt return NL_SKIP; 426c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } 436c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 446c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX, 456c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt tb[NL80211_ATTR_SURVEY_INFO], 466c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt survey_policy)) { 476c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt wpa_printf(MSG_DEBUG, "nl80211: Failed to parse nested " 486c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt "attributes"); 496c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt return NL_SKIP; 506c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } 516c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 526c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (!sinfo[NL80211_SURVEY_INFO_NOISE]) 536c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt return NL_SKIP; 546c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 556c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY]) 566c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt return NL_SKIP; 576c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 586c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt for (i = 0; i < scan_results->num; ++i) { 596c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt scan_res = scan_results->res[i]; 606c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (!scan_res) 616c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt continue; 626c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if ((int) nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) != 636c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt scan_res->freq) 646c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt continue; 656c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (!(scan_res->flags & WPA_SCAN_NOISE_INVALID)) 666c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt continue; 676c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt scan_res->noise = (s8) 686c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]); 696c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt scan_res->flags &= ~WPA_SCAN_NOISE_INVALID; 706c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } 716c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 726c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt return NL_SKIP; 736c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt} 746c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 756c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 766c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidtstatic int nl80211_get_noise_for_scan_results( 776c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt struct wpa_driver_nl80211_data *drv, 786c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt struct wpa_scan_results *scan_res) 796c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt{ 806c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt struct nl_msg *msg; 816c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 826c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY); 836c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt return send_and_recv_msgs(drv, msg, get_noise_for_scan_results, 846c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt scan_res); 856c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt} 866c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 876c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 886c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt/** 896c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * wpa_driver_nl80211_scan_timeout - Scan timeout to report scan completion 906c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * @eloop_ctx: Driver private data 916c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * @timeout_ctx: ctx argument given to wpa_driver_nl80211_init() 926c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * 936c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * This function can be used as registered timeout when starting a scan to 946c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * generate a scan completed event if the driver does not report this. 956c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt */ 966c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidtvoid wpa_driver_nl80211_scan_timeout(void *eloop_ctx, void *timeout_ctx) 976c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt{ 986c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt struct wpa_driver_nl80211_data *drv = eloop_ctx; 999c17526f86859e2b6aebac0ed4f2561601816103Dmitry Shmidt 1009c17526f86859e2b6aebac0ed4f2561601816103Dmitry Shmidt wpa_printf(MSG_DEBUG, "nl80211: Scan timeout - try to abort it"); 1019c17526f86859e2b6aebac0ed4f2561601816103Dmitry Shmidt if (!wpa_driver_nl80211_abort_scan(drv->first_bss)) 1029c17526f86859e2b6aebac0ed4f2561601816103Dmitry Shmidt return; 1039c17526f86859e2b6aebac0ed4f2561601816103Dmitry Shmidt 1049c17526f86859e2b6aebac0ed4f2561601816103Dmitry Shmidt wpa_printf(MSG_DEBUG, "nl80211: Failed to abort scan"); 1059c17526f86859e2b6aebac0ed4f2561601816103Dmitry Shmidt 1066c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (drv->ap_scan_as_station != NL80211_IFTYPE_UNSPECIFIED) { 1076c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt wpa_driver_nl80211_set_mode(drv->first_bss, 1086c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt drv->ap_scan_as_station); 1096c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED; 1106c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } 1119c17526f86859e2b6aebac0ed4f2561601816103Dmitry Shmidt 1129c17526f86859e2b6aebac0ed4f2561601816103Dmitry Shmidt wpa_printf(MSG_DEBUG, "nl80211: Try to get scan results"); 1136c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt wpa_supplicant_event(timeout_ctx, EVENT_SCAN_RESULTS, NULL); 1146c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt} 1156c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 1166c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 1176c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidtstatic struct nl_msg * 1186c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidtnl80211_scan_common(struct i802_bss *bss, u8 cmd, 1196c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt struct wpa_driver_scan_params *params) 1206c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt{ 1216c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt struct wpa_driver_nl80211_data *drv = bss->drv; 1226c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt struct nl_msg *msg; 1236c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt size_t i; 1246c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt u32 scan_flags = 0; 1256c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 1266c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt msg = nl80211_cmd_msg(bss, 0, cmd); 1276c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (!msg) 1286c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt return NULL; 1296c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 1306c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (params->num_ssids) { 1316c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt struct nlattr *ssids; 1326c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 1336c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt ssids = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS); 1346c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (ssids == NULL) 1356c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt goto fail; 1366c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt for (i = 0; i < params->num_ssids; i++) { 1376c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt wpa_hexdump_ascii(MSG_MSGDUMP, "nl80211: Scan SSID", 1386c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt params->ssids[i].ssid, 1396c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt params->ssids[i].ssid_len); 1406c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (nla_put(msg, i + 1, params->ssids[i].ssid_len, 1416c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt params->ssids[i].ssid)) 1426c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt goto fail; 1436c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } 1446c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt nla_nest_end(msg, ssids); 145b70d0bbd90f638aa38da542e337c312309200e87Dmitry Shmidt } else { 146b70d0bbd90f638aa38da542e337c312309200e87Dmitry Shmidt wpa_printf(MSG_DEBUG, "nl80211: Passive scan requested"); 1476c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } 1486c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 1496c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (params->extra_ies) { 1506c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt wpa_hexdump(MSG_MSGDUMP, "nl80211: Scan extra IEs", 1516c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt params->extra_ies, params->extra_ies_len); 1526c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (nla_put(msg, NL80211_ATTR_IE, params->extra_ies_len, 1536c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt params->extra_ies)) 1546c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt goto fail; 1556c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } 1566c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 1576c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (params->freqs) { 1586c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt struct nlattr *freqs; 1596c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt freqs = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES); 1606c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (freqs == NULL) 1616c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt goto fail; 1626c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt for (i = 0; params->freqs[i]; i++) { 1636c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt wpa_printf(MSG_MSGDUMP, "nl80211: Scan frequency %u " 1646c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt "MHz", params->freqs[i]); 1656c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (nla_put_u32(msg, i + 1, params->freqs[i])) 1666c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt goto fail; 1676c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } 1686c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt nla_nest_end(msg, freqs); 1696c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } 1706c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 1716c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt os_free(drv->filter_ssids); 1726c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt drv->filter_ssids = params->filter_ssids; 1736c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt params->filter_ssids = NULL; 1746c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt drv->num_filter_ssids = params->num_filter_ssids; 1756c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 1766c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (params->only_new_results) { 1776c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt wpa_printf(MSG_DEBUG, "nl80211: Add NL80211_SCAN_FLAG_FLUSH"); 1786c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt scan_flags |= NL80211_SCAN_FLAG_FLUSH; 1796c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } 1806c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 1816c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (params->low_priority && drv->have_low_prio_scan) { 1826c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt wpa_printf(MSG_DEBUG, 1836c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt "nl80211: Add NL80211_SCAN_FLAG_LOW_PRIORITY"); 1846c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt scan_flags |= NL80211_SCAN_FLAG_LOW_PRIORITY; 1856c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } 1866c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 1876c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (params->mac_addr_rand) { 1886c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt wpa_printf(MSG_DEBUG, 1896c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt "nl80211: Add NL80211_SCAN_FLAG_RANDOM_ADDR"); 1906c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt scan_flags |= NL80211_SCAN_FLAG_RANDOM_ADDR; 1916c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 1926c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (params->mac_addr) { 1936c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt wpa_printf(MSG_DEBUG, "nl80211: MAC address: " MACSTR, 1946c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt MAC2STR(params->mac_addr)); 1956c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, 1966c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt params->mac_addr)) 1976c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt goto fail; 1986c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } 1996c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 2006c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (params->mac_addr_mask) { 2016c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt wpa_printf(MSG_DEBUG, "nl80211: MAC address mask: " 2026c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt MACSTR, MAC2STR(params->mac_addr_mask)); 2036c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (nla_put(msg, NL80211_ATTR_MAC_MASK, ETH_ALEN, 2046c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt params->mac_addr_mask)) 2056c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt goto fail; 2066c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } 2076c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } 2086c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 2096c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (scan_flags && 2106c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, scan_flags)) 2116c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt goto fail; 2126c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 2136c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt return msg; 2146c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 2156c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidtfail: 2166c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt nlmsg_free(msg); 2176c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt return NULL; 2186c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt} 2196c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 2206c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 2216c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt/** 2226c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * wpa_driver_nl80211_scan - Request the driver to initiate scan 2236c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * @bss: Pointer to private driver data from wpa_driver_nl80211_init() 2246c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * @params: Scan parameters 2256c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * Returns: 0 on success, -1 on failure 2266c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt */ 2276c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidtint wpa_driver_nl80211_scan(struct i802_bss *bss, 2286c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt struct wpa_driver_scan_params *params) 2296c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt{ 2306c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt struct wpa_driver_nl80211_data *drv = bss->drv; 2316c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt int ret = -1, timeout; 2326c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt struct nl_msg *msg = NULL; 2336c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 2346c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: scan request"); 2356c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt drv->scan_for_auth = 0; 2366c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 237d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt if (TEST_FAIL()) 238d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt return -1; 239d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt 2406c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt msg = nl80211_scan_common(bss, NL80211_CMD_TRIGGER_SCAN, params); 2416c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (!msg) 2426c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt return -1; 2436c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 2446c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (params->p2p_probe) { 2456c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt struct nlattr *rates; 2466c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 2476c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt wpa_printf(MSG_DEBUG, "nl80211: P2P probe - mask SuppRates"); 2486c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 2496c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt rates = nla_nest_start(msg, NL80211_ATTR_SCAN_SUPP_RATES); 2506c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (rates == NULL) 2516c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt goto fail; 2526c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 2536c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt /* 2546c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * Remove 2.4 GHz rates 1, 2, 5.5, 11 Mbps from supported rates 2556c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * by masking out everything else apart from the OFDM rates 6, 2566c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS rates. All 5 GHz 2576c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * rates are left enabled. 2586c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt */ 2596c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (nla_put(msg, NL80211_BAND_2GHZ, 8, 2606c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt "\x0c\x12\x18\x24\x30\x48\x60\x6c")) 2616c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt goto fail; 2626c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt nla_nest_end(msg, rates); 2636c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 2646c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (nla_put_flag(msg, NL80211_ATTR_TX_NO_CCK_RATE)) 2656c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt goto fail; 2666c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } 2676c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 2689c17526f86859e2b6aebac0ed4f2561601816103Dmitry Shmidt if (params->bssid) { 2699c17526f86859e2b6aebac0ed4f2561601816103Dmitry Shmidt wpa_printf(MSG_DEBUG, "nl80211: Scan for a specific BSSID: " 2709c17526f86859e2b6aebac0ed4f2561601816103Dmitry Shmidt MACSTR, MAC2STR(params->bssid)); 2719c17526f86859e2b6aebac0ed4f2561601816103Dmitry Shmidt if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid)) 2729c17526f86859e2b6aebac0ed4f2561601816103Dmitry Shmidt goto fail; 2739c17526f86859e2b6aebac0ed4f2561601816103Dmitry Shmidt } 2749c17526f86859e2b6aebac0ed4f2561601816103Dmitry Shmidt 2756c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt ret = send_and_recv_msgs(drv, msg, NULL, NULL); 2766c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt msg = NULL; 2776c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (ret) { 2786c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt wpa_printf(MSG_DEBUG, "nl80211: Scan trigger failed: ret=%d " 2796c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt "(%s)", ret, strerror(-ret)); 2806c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (drv->hostapd && is_ap_interface(drv->nlmode)) { 2816c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt enum nl80211_iftype old_mode = drv->nlmode; 2826c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 2836c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt /* 2846c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * mac80211 does not allow scan requests in AP mode, so 2856c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * try to do this in station mode. 2866c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt */ 2876c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (wpa_driver_nl80211_set_mode( 2886c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt bss, NL80211_IFTYPE_STATION)) 2896c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt goto fail; 2906c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 2916c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (wpa_driver_nl80211_scan(bss, params)) { 2922f74e36e84064ffa32f82f3decf36b653c7e4fadDmitry Shmidt wpa_driver_nl80211_set_mode(bss, old_mode); 2936c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt goto fail; 2946c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } 2956c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 2966c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt /* Restore AP mode when processing scan results */ 2976c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt drv->ap_scan_as_station = old_mode; 2986c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt ret = 0; 2996c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } else 3006c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt goto fail; 3016c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } 3026c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 3036c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt drv->scan_state = SCAN_REQUESTED; 3046c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt /* Not all drivers generate "scan completed" wireless event, so try to 3056c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * read results after a timeout. */ 3066c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt timeout = 10; 3076c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (drv->scan_complete_events) { 3086c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt /* 3096c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * The driver seems to deliver events to notify when scan is 3106c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * complete, so use longer timeout to avoid race conditions 3116c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * with scanning and following association request. 3126c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt */ 3136c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt timeout = 30; 3146c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } 3156c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt wpa_printf(MSG_DEBUG, "Scan requested (ret=%d) - scan timeout %d " 3166c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt "seconds", ret, timeout); 3176c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx); 3186c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt eloop_register_timeout(timeout, 0, wpa_driver_nl80211_scan_timeout, 3196c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt drv, drv->ctx); 320d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt drv->last_scan_cmd = NL80211_CMD_TRIGGER_SCAN; 3216c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 3226c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidtfail: 3236c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt nlmsg_free(msg); 3246c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt return ret; 3256c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt} 3266c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 3276c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 328d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidtstatic int 329d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidtnl80211_sched_scan_add_scan_plans(struct wpa_driver_nl80211_data *drv, 330d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt struct nl_msg *msg, 331d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt struct wpa_driver_scan_params *params) 332d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt{ 333d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt struct nlattr *plans; 334d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt struct sched_scan_plan *scan_plans = params->sched_scan_plans; 335d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt unsigned int i; 336d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt 337d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt plans = nla_nest_start(msg, NL80211_ATTR_SCHED_SCAN_PLANS); 338d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt if (!plans) 339d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt return -1; 340d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt 341d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt for (i = 0; i < params->sched_scan_plans_num; i++) { 342d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt struct nlattr *plan = nla_nest_start(msg, i + 1); 343d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt 344d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt if (!plan) 345d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt return -1; 346d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt 347d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt if (!scan_plans[i].interval || 348d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt scan_plans[i].interval > 349d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt drv->capa.max_sched_scan_plan_interval) { 350d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt wpa_printf(MSG_DEBUG, 351d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt "nl80211: sched scan plan no. %u: Invalid interval: %u", 352d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt i, scan_plans[i].interval); 353d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt return -1; 354d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt } 355d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt 356d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt if (nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_INTERVAL, 357d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt scan_plans[i].interval)) 358d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt return -1; 359d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt 360d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt if (scan_plans[i].iterations > 361d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt drv->capa.max_sched_scan_plan_iterations) { 362d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt wpa_printf(MSG_DEBUG, 363d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt "nl80211: sched scan plan no. %u: Invalid number of iterations: %u", 364d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt i, scan_plans[i].iterations); 365d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt return -1; 366d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt } 367d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt 368d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt if (scan_plans[i].iterations && 369d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_ITERATIONS, 370d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt scan_plans[i].iterations)) 371d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt return -1; 372d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt 373d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt nla_nest_end(msg, plan); 374d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt 375d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt /* 376d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt * All the scan plans must specify the number of iterations 377d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt * except the last plan, which will run infinitely. So if the 378d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt * number of iterations is not specified, this ought to be the 379d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt * last scan plan. 380d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt */ 381d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt if (!scan_plans[i].iterations) 382d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt break; 383d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt } 384d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt 385d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt if (i != params->sched_scan_plans_num - 1) { 386d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt wpa_printf(MSG_DEBUG, 387d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt "nl80211: All sched scan plans but the last must specify number of iterations"); 388d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt return -1; 389d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt } 390d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt 391d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt nla_nest_end(msg, plans); 392d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt return 0; 393d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt} 394d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt 395d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt 3966c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt/** 3976c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * wpa_driver_nl80211_sched_scan - Initiate a scheduled scan 3986c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * @priv: Pointer to private driver data from wpa_driver_nl80211_init() 3996c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * @params: Scan parameters 4006c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * Returns: 0 on success, -1 on failure or if not supported 4016c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt */ 4026c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidtint wpa_driver_nl80211_sched_scan(void *priv, 403d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt struct wpa_driver_scan_params *params) 4046c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt{ 4056c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt struct i802_bss *bss = priv; 4066c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt struct wpa_driver_nl80211_data *drv = bss->drv; 4076c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt int ret = -1; 4086c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt struct nl_msg *msg; 4096c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt size_t i; 4106c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 4116c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: sched_scan request"); 4126c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 4136c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt#ifdef ANDROID 4146c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (!drv->capa.sched_scan_supported) 4156c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt return android_pno_start(bss, params); 4166c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt#endif /* ANDROID */ 4176c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 418d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt if (!params->sched_scan_plans_num || 419d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt params->sched_scan_plans_num > drv->capa.max_sched_scan_plans) { 420d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt wpa_printf(MSG_ERROR, 421d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt "nl80211: Invalid number of sched scan plans: %u", 422d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt params->sched_scan_plans_num); 423d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt return -1; 424d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt } 425d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt 4266c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt msg = nl80211_scan_common(bss, NL80211_CMD_START_SCHED_SCAN, params); 427d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt if (!msg) 4286c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt goto fail; 4296c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 430d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt if (drv->capa.max_sched_scan_plan_iterations) { 431d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt if (nl80211_sched_scan_add_scan_plans(drv, msg, params)) 432d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt goto fail; 433d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt } else { 434d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt if (nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL, 435d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt params->sched_scan_plans[0].interval * 1000)) 436d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt goto fail; 437d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt } 438d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt 4396c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if ((drv->num_filter_ssids && 4406c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt (int) drv->num_filter_ssids <= drv->capa.max_match_sets) || 4416c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt params->filter_rssi) { 4426c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt struct nlattr *match_sets; 4436c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt match_sets = nla_nest_start(msg, NL80211_ATTR_SCHED_SCAN_MATCH); 4446c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (match_sets == NULL) 4456c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt goto fail; 4466c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 4476c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt for (i = 0; i < drv->num_filter_ssids; i++) { 4486c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt struct nlattr *match_set_ssid; 4496c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt wpa_hexdump_ascii(MSG_MSGDUMP, 4506c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt "nl80211: Sched scan filter SSID", 4516c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt drv->filter_ssids[i].ssid, 4526c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt drv->filter_ssids[i].ssid_len); 4536c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 4546c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt match_set_ssid = nla_nest_start(msg, i + 1); 4556c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (match_set_ssid == NULL || 4566c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt nla_put(msg, NL80211_ATTR_SCHED_SCAN_MATCH_SSID, 4576c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt drv->filter_ssids[i].ssid_len, 4586c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt drv->filter_ssids[i].ssid) || 4596c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt (params->filter_rssi && 4606c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt nla_put_u32(msg, 4616c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt NL80211_SCHED_SCAN_MATCH_ATTR_RSSI, 4626c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt params->filter_rssi))) 4636c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt goto fail; 4646c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 4656c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt nla_nest_end(msg, match_set_ssid); 4666c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } 4676c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 4686c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt /* 4696c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * Due to backward compatibility code, newer kernels treat this 4706c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * matchset (with only an RSSI filter) as the default for all 4716c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * other matchsets, unless it's the only one, in which case the 4726c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * matchset will actually allow all SSIDs above the RSSI. 4736c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt */ 4746c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (params->filter_rssi) { 4756c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt struct nlattr *match_set_rssi; 4766c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt match_set_rssi = nla_nest_start(msg, 0); 4776c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (match_set_rssi == NULL || 4786c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt nla_put_u32(msg, NL80211_SCHED_SCAN_MATCH_ATTR_RSSI, 4796c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt params->filter_rssi)) 4806c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt goto fail; 4816c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt wpa_printf(MSG_MSGDUMP, 4826c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt "nl80211: Sched scan RSSI filter %d dBm", 4836c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt params->filter_rssi); 4846c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt nla_nest_end(msg, match_set_rssi); 4856c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } 4866c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 4876c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt nla_nest_end(msg, match_sets); 4886c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } 4896c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 4906c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt ret = send_and_recv_msgs(drv, msg, NULL, NULL); 4916c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 4926c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt /* TODO: if we get an error here, we should fall back to normal scan */ 4936c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 4946c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt msg = NULL; 4956c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (ret) { 4966c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt wpa_printf(MSG_DEBUG, "nl80211: Sched scan start failed: " 4976c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt "ret=%d (%s)", ret, strerror(-ret)); 4986c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt goto fail; 4996c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } 5006c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 501d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt wpa_printf(MSG_DEBUG, "nl80211: Sched scan requested (ret=%d)", ret); 5026c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 5036c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidtfail: 5046c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt nlmsg_free(msg); 5056c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt return ret; 5066c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt} 5076c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 5086c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 5096c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt/** 5106c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * wpa_driver_nl80211_stop_sched_scan - Stop a scheduled scan 5116c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * @priv: Pointer to private driver data from wpa_driver_nl80211_init() 5126c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * Returns: 0 on success, -1 on failure or if not supported 5136c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt */ 5146c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidtint wpa_driver_nl80211_stop_sched_scan(void *priv) 5156c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt{ 5166c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt struct i802_bss *bss = priv; 5176c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt struct wpa_driver_nl80211_data *drv = bss->drv; 5186c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt int ret; 5196c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt struct nl_msg *msg; 5206c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 5216c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt#ifdef ANDROID 5226c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (!drv->capa.sched_scan_supported) 5236c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt return android_pno_stop(bss); 5246c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt#endif /* ANDROID */ 5256c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 5266c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt msg = nl80211_drv_msg(drv, 0, NL80211_CMD_STOP_SCHED_SCAN); 5276c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt ret = send_and_recv_msgs(drv, msg, NULL, NULL); 5286c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (ret) { 5296c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt wpa_printf(MSG_DEBUG, 5306c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt "nl80211: Sched scan stop failed: ret=%d (%s)", 5316c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt ret, strerror(-ret)); 5326c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } else { 5336c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt wpa_printf(MSG_DEBUG, 5346c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt "nl80211: Sched scan stop sent"); 5356c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } 5366c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 5376c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt return ret; 5386c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt} 5396c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 5406c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 5416c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidtstatic int nl80211_scan_filtered(struct wpa_driver_nl80211_data *drv, 5426c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt const u8 *ie, size_t ie_len) 5436c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt{ 5446c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt const u8 *ssid; 5456c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt size_t i; 5466c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 5476c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (drv->filter_ssids == NULL) 5486c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt return 0; 5496c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 55057c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt ssid = get_ie(ie, ie_len, WLAN_EID_SSID); 5516c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (ssid == NULL) 5526c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt return 1; 5536c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 5546c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt for (i = 0; i < drv->num_filter_ssids; i++) { 5556c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (ssid[1] == drv->filter_ssids[i].ssid_len && 5566c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt os_memcmp(ssid + 2, drv->filter_ssids[i].ssid, ssid[1]) == 5576c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 0) 5586c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt return 0; 5596c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } 5606c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 5616c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt return 1; 5626c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt} 5636c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 5646c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 5656c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidtint bss_info_handler(struct nl_msg *msg, void *arg) 5666c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt{ 5676c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt struct nlattr *tb[NL80211_ATTR_MAX + 1]; 5686c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); 5696c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt struct nlattr *bss[NL80211_BSS_MAX + 1]; 5706c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt static struct nla_policy bss_policy[NL80211_BSS_MAX + 1] = { 5716c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt [NL80211_BSS_BSSID] = { .type = NLA_UNSPEC }, 5726c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt [NL80211_BSS_FREQUENCY] = { .type = NLA_U32 }, 5736c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt [NL80211_BSS_TSF] = { .type = NLA_U64 }, 5746c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt [NL80211_BSS_BEACON_INTERVAL] = { .type = NLA_U16 }, 5756c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt [NL80211_BSS_CAPABILITY] = { .type = NLA_U16 }, 5766c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt [NL80211_BSS_INFORMATION_ELEMENTS] = { .type = NLA_UNSPEC }, 5776c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt [NL80211_BSS_SIGNAL_MBM] = { .type = NLA_U32 }, 5786c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt [NL80211_BSS_SIGNAL_UNSPEC] = { .type = NLA_U8 }, 5796c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt [NL80211_BSS_STATUS] = { .type = NLA_U32 }, 5806c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt [NL80211_BSS_SEEN_MS_AGO] = { .type = NLA_U32 }, 5816c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt [NL80211_BSS_BEACON_IES] = { .type = NLA_UNSPEC }, 5826c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt }; 5836c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt struct nl80211_bss_info_arg *_arg = arg; 5846c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt struct wpa_scan_results *res = _arg->res; 5856c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt struct wpa_scan_res **tmp; 5866c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt struct wpa_scan_res *r; 5876c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt const u8 *ie, *beacon_ie; 5886c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt size_t ie_len, beacon_ie_len; 5896c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt u8 *pos; 5906c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt size_t i; 5916c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 5926c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), 5936c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt genlmsg_attrlen(gnlh, 0), NULL); 5946c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (!tb[NL80211_ATTR_BSS]) 5956c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt return NL_SKIP; 5966c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (nla_parse_nested(bss, NL80211_BSS_MAX, tb[NL80211_ATTR_BSS], 5976c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt bss_policy)) 5986c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt return NL_SKIP; 5996c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (bss[NL80211_BSS_STATUS]) { 6006c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt enum nl80211_bss_status status; 6016c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt status = nla_get_u32(bss[NL80211_BSS_STATUS]); 6026c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (status == NL80211_BSS_STATUS_ASSOCIATED && 6036c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt bss[NL80211_BSS_FREQUENCY]) { 6046c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt _arg->assoc_freq = 6056c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt nla_get_u32(bss[NL80211_BSS_FREQUENCY]); 6066c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt wpa_printf(MSG_DEBUG, "nl80211: Associated on %u MHz", 6076c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt _arg->assoc_freq); 6086c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } 6096c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (status == NL80211_BSS_STATUS_IBSS_JOINED && 6106c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt bss[NL80211_BSS_FREQUENCY]) { 6116c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt _arg->ibss_freq = 6126c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt nla_get_u32(bss[NL80211_BSS_FREQUENCY]); 6136c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt wpa_printf(MSG_DEBUG, "nl80211: IBSS-joined on %u MHz", 6146c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt _arg->ibss_freq); 6156c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } 6166c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (status == NL80211_BSS_STATUS_ASSOCIATED && 6176c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt bss[NL80211_BSS_BSSID]) { 6186c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt os_memcpy(_arg->assoc_bssid, 6196c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt nla_data(bss[NL80211_BSS_BSSID]), ETH_ALEN); 6206c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt wpa_printf(MSG_DEBUG, "nl80211: Associated with " 6216c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt MACSTR, MAC2STR(_arg->assoc_bssid)); 6226c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } 6236c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } 6246c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (!res) 6256c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt return NL_SKIP; 6266c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (bss[NL80211_BSS_INFORMATION_ELEMENTS]) { 6276c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt ie = nla_data(bss[NL80211_BSS_INFORMATION_ELEMENTS]); 6286c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt ie_len = nla_len(bss[NL80211_BSS_INFORMATION_ELEMENTS]); 6296c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } else { 6306c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt ie = NULL; 6316c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt ie_len = 0; 6326c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } 6336c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (bss[NL80211_BSS_BEACON_IES]) { 6346c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt beacon_ie = nla_data(bss[NL80211_BSS_BEACON_IES]); 6356c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt beacon_ie_len = nla_len(bss[NL80211_BSS_BEACON_IES]); 6366c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } else { 6376c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt beacon_ie = NULL; 6386c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt beacon_ie_len = 0; 6396c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } 6406c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 6416c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (nl80211_scan_filtered(_arg->drv, ie ? ie : beacon_ie, 6426c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt ie ? ie_len : beacon_ie_len)) 6436c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt return NL_SKIP; 6446c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 6456c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt r = os_zalloc(sizeof(*r) + ie_len + beacon_ie_len); 6466c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (r == NULL) 6476c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt return NL_SKIP; 6486c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (bss[NL80211_BSS_BSSID]) 6496c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt os_memcpy(r->bssid, nla_data(bss[NL80211_BSS_BSSID]), 6506c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt ETH_ALEN); 6516c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (bss[NL80211_BSS_FREQUENCY]) 6526c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt r->freq = nla_get_u32(bss[NL80211_BSS_FREQUENCY]); 6536c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (bss[NL80211_BSS_BEACON_INTERVAL]) 6546c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt r->beacon_int = nla_get_u16(bss[NL80211_BSS_BEACON_INTERVAL]); 6556c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (bss[NL80211_BSS_CAPABILITY]) 6566c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt r->caps = nla_get_u16(bss[NL80211_BSS_CAPABILITY]); 6576c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt r->flags |= WPA_SCAN_NOISE_INVALID; 6586c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (bss[NL80211_BSS_SIGNAL_MBM]) { 6596c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt r->level = nla_get_u32(bss[NL80211_BSS_SIGNAL_MBM]); 6606c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt r->level /= 100; /* mBm to dBm */ 6616c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt r->flags |= WPA_SCAN_LEVEL_DBM | WPA_SCAN_QUAL_INVALID; 6626c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } else if (bss[NL80211_BSS_SIGNAL_UNSPEC]) { 6636c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt r->level = nla_get_u8(bss[NL80211_BSS_SIGNAL_UNSPEC]); 6646c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt r->flags |= WPA_SCAN_QUAL_INVALID; 6656c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } else 6666c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt r->flags |= WPA_SCAN_LEVEL_INVALID | WPA_SCAN_QUAL_INVALID; 6676c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (bss[NL80211_BSS_TSF]) 6686c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt r->tsf = nla_get_u64(bss[NL80211_BSS_TSF]); 669f8467ce3721b7154974a1f8a6e0dff54d4493f4dSrinivas Dasari if (bss[NL80211_BSS_BEACON_TSF]) { 670f8467ce3721b7154974a1f8a6e0dff54d4493f4dSrinivas Dasari u64 tsf = nla_get_u64(bss[NL80211_BSS_BEACON_TSF]); 671f8467ce3721b7154974a1f8a6e0dff54d4493f4dSrinivas Dasari if (tsf > r->tsf) 672f8467ce3721b7154974a1f8a6e0dff54d4493f4dSrinivas Dasari r->tsf = tsf; 673f8467ce3721b7154974a1f8a6e0dff54d4493f4dSrinivas Dasari } 6746c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (bss[NL80211_BSS_SEEN_MS_AGO]) 6756c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt r->age = nla_get_u32(bss[NL80211_BSS_SEEN_MS_AGO]); 6766c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt r->ie_len = ie_len; 6776c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt pos = (u8 *) (r + 1); 6786c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (ie) { 6796c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt os_memcpy(pos, ie, ie_len); 6806c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt pos += ie_len; 6816c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } 6826c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt r->beacon_ie_len = beacon_ie_len; 6836c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (beacon_ie) 6846c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt os_memcpy(pos, beacon_ie, beacon_ie_len); 6856c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 6866c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (bss[NL80211_BSS_STATUS]) { 6876c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt enum nl80211_bss_status status; 6886c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt status = nla_get_u32(bss[NL80211_BSS_STATUS]); 6896c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt switch (status) { 6906c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt case NL80211_BSS_STATUS_ASSOCIATED: 6916c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt r->flags |= WPA_SCAN_ASSOCIATED; 6926c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt break; 6936c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt default: 6946c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt break; 6956c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } 6966c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } 6976c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 6986c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt /* 6996c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * cfg80211 maintains separate BSS table entries for APs if the same 7006c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * BSSID,SSID pair is seen on multiple channels. wpa_supplicant does 7016c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * not use frequency as a separate key in the BSS table, so filter out 7026c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * duplicated entries. Prefer associated BSS entry in such a case in 7036c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * order to get the correct frequency into the BSS table. Similarly, 7046c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * prefer newer entries over older. 7056c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt */ 7066c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt for (i = 0; i < res->num; i++) { 7076c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt const u8 *s1, *s2; 7086c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (os_memcmp(res->res[i]->bssid, r->bssid, ETH_ALEN) != 0) 7096c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt continue; 7106c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 71157c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt s1 = get_ie((u8 *) (res->res[i] + 1), 71257c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt res->res[i]->ie_len, WLAN_EID_SSID); 71357c2d39d85825f38c5fdac9b73bb0088406ffc85Dmitry Shmidt s2 = get_ie((u8 *) (r + 1), r->ie_len, WLAN_EID_SSID); 7146c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (s1 == NULL || s2 == NULL || s1[1] != s2[1] || 7156c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt os_memcmp(s1, s2, 2 + s1[1]) != 0) 7166c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt continue; 7176c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 7186c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt /* Same BSSID,SSID was already included in scan results */ 7196c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt wpa_printf(MSG_DEBUG, "nl80211: Remove duplicated scan result " 7206c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt "for " MACSTR, MAC2STR(r->bssid)); 7216c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 7226c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (((r->flags & WPA_SCAN_ASSOCIATED) && 7236c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt !(res->res[i]->flags & WPA_SCAN_ASSOCIATED)) || 7246c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt r->age < res->res[i]->age) { 7256c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt os_free(res->res[i]); 7266c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt res->res[i] = r; 7276c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } else 7286c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt os_free(r); 7296c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt return NL_SKIP; 7306c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } 7316c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 7326c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt tmp = os_realloc_array(res->res, res->num + 1, 7336c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt sizeof(struct wpa_scan_res *)); 7346c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (tmp == NULL) { 7356c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt os_free(r); 7366c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt return NL_SKIP; 7376c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } 7386c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt tmp[res->num++] = r; 7396c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt res->res = tmp; 7406c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 7416c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt return NL_SKIP; 7426c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt} 7436c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 7446c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 7456c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidtstatic void clear_state_mismatch(struct wpa_driver_nl80211_data *drv, 7466c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt const u8 *addr) 7476c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt{ 7486c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) { 7496c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt wpa_printf(MSG_DEBUG, "nl80211: Clear possible state " 7506c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt "mismatch (" MACSTR ")", MAC2STR(addr)); 7516c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt wpa_driver_nl80211_mlme(drv, addr, 7526c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt NL80211_CMD_DEAUTHENTICATE, 7536c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt WLAN_REASON_PREV_AUTH_NOT_VALID, 1); 7546c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } 7556c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt} 7566c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 7576c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 7586c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidtstatic void wpa_driver_nl80211_check_bss_status( 7596c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt struct wpa_driver_nl80211_data *drv, struct wpa_scan_results *res) 7606c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt{ 7616c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt size_t i; 7626c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 7636c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt for (i = 0; i < res->num; i++) { 7646c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt struct wpa_scan_res *r = res->res[i]; 7656c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 7666c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (r->flags & WPA_SCAN_ASSOCIATED) { 7676c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt wpa_printf(MSG_DEBUG, "nl80211: Scan results " 7686c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt "indicate BSS status with " MACSTR 7696c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt " as associated", 7706c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt MAC2STR(r->bssid)); 7716c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (is_sta_interface(drv->nlmode) && 7726c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt !drv->associated) { 7736c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt wpa_printf(MSG_DEBUG, "nl80211: Local state " 7746c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt "(not associated) does not match " 7756c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt "with BSS state"); 7766c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt clear_state_mismatch(drv, r->bssid); 7776c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } else if (is_sta_interface(drv->nlmode) && 7786c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt os_memcmp(drv->bssid, r->bssid, ETH_ALEN) != 7796c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 0) { 7806c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt wpa_printf(MSG_DEBUG, "nl80211: Local state " 7816c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt "(associated with " MACSTR ") does " 7826c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt "not match with BSS state", 7836c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt MAC2STR(drv->bssid)); 7846c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt clear_state_mismatch(drv, r->bssid); 7856c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt clear_state_mismatch(drv, drv->bssid); 7866c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } 7876c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } 7886c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } 7896c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt} 7906c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 7916c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 7926c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidtstatic struct wpa_scan_results * 7936c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidtnl80211_get_scan_results(struct wpa_driver_nl80211_data *drv) 7946c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt{ 7956c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt struct nl_msg *msg; 7966c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt struct wpa_scan_results *res; 7976c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt int ret; 7986c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt struct nl80211_bss_info_arg arg; 7996c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 8006c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt res = os_zalloc(sizeof(*res)); 8016c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (res == NULL) 8026c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt return NULL; 8036c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (!(msg = nl80211_cmd_msg(drv->first_bss, NLM_F_DUMP, 8046c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt NL80211_CMD_GET_SCAN))) { 8056c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt wpa_scan_results_free(res); 8066c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt return NULL; 8076c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } 8086c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 8096c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt arg.drv = drv; 8106c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt arg.res = res; 8116c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt ret = send_and_recv_msgs(drv, msg, bss_info_handler, &arg); 8126c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (ret == 0) { 8136c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt wpa_printf(MSG_DEBUG, "nl80211: Received scan results (%lu " 8146c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt "BSSes)", (unsigned long) res->num); 8156c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt nl80211_get_noise_for_scan_results(drv, res); 8166c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt return res; 8176c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } 8186c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d " 8196c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt "(%s)", ret, strerror(-ret)); 8206c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt wpa_scan_results_free(res); 8216c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt return NULL; 8226c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt} 8236c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 8246c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 8256c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt/** 8266c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * wpa_driver_nl80211_get_scan_results - Fetch the latest scan results 8276c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * @priv: Pointer to private wext data from wpa_driver_nl80211_init() 8286c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt * Returns: Scan results on success, -1 on failure 8296c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt */ 8306c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidtstruct wpa_scan_results * wpa_driver_nl80211_get_scan_results(void *priv) 8316c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt{ 8326c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt struct i802_bss *bss = priv; 8336c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt struct wpa_driver_nl80211_data *drv = bss->drv; 8346c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt struct wpa_scan_results *res; 8356c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 8366c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt res = nl80211_get_scan_results(drv); 8376c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (res) 8386c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt wpa_driver_nl80211_check_bss_status(drv, res); 8396c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt return res; 8406c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt} 8416c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 8426c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 8436c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidtvoid nl80211_dump_scan(struct wpa_driver_nl80211_data *drv) 8446c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt{ 8456c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt struct wpa_scan_results *res; 8466c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt size_t i; 8476c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 8486c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt res = nl80211_get_scan_results(drv); 8496c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (res == NULL) { 8506c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt wpa_printf(MSG_DEBUG, "nl80211: Failed to get scan results"); 8516c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt return; 8526c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } 8536c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 8546c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt wpa_printf(MSG_DEBUG, "nl80211: Scan result dump"); 8556c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt for (i = 0; i < res->num; i++) { 8566c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt struct wpa_scan_res *r = res->res[i]; 857ff787d557db719adea0fdf2679667500c65cf74dDmitry Shmidt wpa_printf(MSG_DEBUG, "nl80211: %d/%d " MACSTR "%s", 8586c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt (int) i, (int) res->num, MAC2STR(r->bssid), 8596c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt r->flags & WPA_SCAN_ASSOCIATED ? " [assoc]" : ""); 8606c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt } 8616c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 8626c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt wpa_scan_results_free(res); 8636c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt} 864d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt 865d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt 866d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidtint wpa_driver_nl80211_abort_scan(void *priv) 867d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt{ 868d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt struct i802_bss *bss = priv; 869d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt struct wpa_driver_nl80211_data *drv = bss->drv; 870d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt int ret; 871d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt struct nl_msg *msg; 872d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt 873d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt wpa_printf(MSG_DEBUG, "nl80211: Abort scan"); 874d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_ABORT_SCAN); 875d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt ret = send_and_recv_msgs(drv, msg, NULL, NULL); 876d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt if (ret) { 877d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt wpa_printf(MSG_DEBUG, "nl80211: Abort scan failed: ret=%d (%s)", 878d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt ret, strerror(-ret)); 879d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt } 880d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt 881d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt return ret; 882d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt} 883d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt 884d7ff03d48f825360eec2a371e3361306f2fd721bDmitry Shmidt 885d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt#ifdef CONFIG_DRIVER_NL80211_QCA 886d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt 887d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidtstatic int scan_cookie_handler(struct nl_msg *msg, void *arg) 888d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt{ 889d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt struct nlattr *tb[NL80211_ATTR_MAX + 1]; 890d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); 891d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt u64 *cookie = arg; 892d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt 893d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), 894d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt genlmsg_attrlen(gnlh, 0), NULL); 895d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt 896d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt if (tb[NL80211_ATTR_VENDOR_DATA]) { 897d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt struct nlattr *nl_vendor = tb[NL80211_ATTR_VENDOR_DATA]; 898d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_SCAN_MAX + 1]; 899d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt 900d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_SCAN_MAX, 901d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt nla_data(nl_vendor), nla_len(nl_vendor), NULL); 902d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt 903d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt if (tb_vendor[QCA_WLAN_VENDOR_ATTR_SCAN_COOKIE]) 904d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt *cookie = nla_get_u64( 905d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt tb_vendor[QCA_WLAN_VENDOR_ATTR_SCAN_COOKIE]); 906d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt } 907d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt 908d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt return NL_SKIP; 909d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt} 910d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt 911d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt 912d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt/** 913d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt * wpa_driver_nl80211_vendor_scan - Request the driver to initiate a vendor scan 914d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt * @bss: Pointer to private driver data from wpa_driver_nl80211_init() 915d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt * @params: Scan parameters 916d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt * Returns: 0 on success, -1 on failure 917d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt */ 918d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidtint wpa_driver_nl80211_vendor_scan(struct i802_bss *bss, 919d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt struct wpa_driver_scan_params *params) 920d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt{ 921d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt struct wpa_driver_nl80211_data *drv = bss->drv; 922d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt struct nl_msg *msg = NULL; 923d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt struct nlattr *attr; 924d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt size_t i; 925d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt u32 scan_flags = 0; 926d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt int ret = -1; 927d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt u64 cookie = 0; 928d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt 929d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: vendor scan request"); 930d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt drv->scan_for_auth = 0; 931d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt 932d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) || 933d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) || 934d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, 935d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt QCA_NL80211_VENDOR_SUBCMD_TRIGGER_SCAN) ) 936d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt goto fail; 937d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt 938d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt attr = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA); 939d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt if (attr == NULL) 940d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt goto fail; 941d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt 942d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt if (params->num_ssids) { 943d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt struct nlattr *ssids; 944d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt 945d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt ssids = nla_nest_start(msg, QCA_WLAN_VENDOR_ATTR_SCAN_SSIDS); 946d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt if (ssids == NULL) 947d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt goto fail; 948d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt for (i = 0; i < params->num_ssids; i++) { 949d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt wpa_hexdump_ascii(MSG_MSGDUMP, "nl80211: Scan SSID", 950d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt params->ssids[i].ssid, 951d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt params->ssids[i].ssid_len); 952d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt if (nla_put(msg, i + 1, params->ssids[i].ssid_len, 953d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt params->ssids[i].ssid)) 954d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt goto fail; 955d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt } 956d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt nla_nest_end(msg, ssids); 957d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt } 958d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt 959d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt if (params->extra_ies) { 960d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt wpa_hexdump(MSG_MSGDUMP, "nl80211: Scan extra IEs", 961d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt params->extra_ies, params->extra_ies_len); 962d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt if (nla_put(msg, QCA_WLAN_VENDOR_ATTR_SCAN_IE, 963d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt params->extra_ies_len, params->extra_ies)) 964d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt goto fail; 965d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt } 966d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt 967d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt if (params->freqs) { 968d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt struct nlattr *freqs; 969d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt 970d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt freqs = nla_nest_start(msg, 971d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt QCA_WLAN_VENDOR_ATTR_SCAN_FREQUENCIES); 972d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt if (freqs == NULL) 973d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt goto fail; 974d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt for (i = 0; params->freqs[i]; i++) { 975d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt wpa_printf(MSG_MSGDUMP, 976d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt "nl80211: Scan frequency %u MHz", 977d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt params->freqs[i]); 978d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt if (nla_put_u32(msg, i + 1, params->freqs[i])) 979d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt goto fail; 980d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt } 981d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt nla_nest_end(msg, freqs); 982d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt } 983d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt 984d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt os_free(drv->filter_ssids); 985d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt drv->filter_ssids = params->filter_ssids; 986d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt params->filter_ssids = NULL; 987d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt drv->num_filter_ssids = params->num_filter_ssids; 988d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt 989d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt if (params->low_priority && drv->have_low_prio_scan) { 990d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt wpa_printf(MSG_DEBUG, 991d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt "nl80211: Add NL80211_SCAN_FLAG_LOW_PRIORITY"); 992d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt scan_flags |= NL80211_SCAN_FLAG_LOW_PRIORITY; 993d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt } 994d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt 995d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt if (params->mac_addr_rand) { 996d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt wpa_printf(MSG_DEBUG, 997d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt "nl80211: Add NL80211_SCAN_FLAG_RANDOM_ADDR"); 998d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt scan_flags |= NL80211_SCAN_FLAG_RANDOM_ADDR; 999d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt 1000d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt if (params->mac_addr) { 1001d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt wpa_printf(MSG_DEBUG, "nl80211: MAC address: " MACSTR, 1002d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt MAC2STR(params->mac_addr)); 1003d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt if (nla_put(msg, QCA_WLAN_VENDOR_ATTR_SCAN_MAC, 1004d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt ETH_ALEN, params->mac_addr)) 1005d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt goto fail; 1006d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt } 1007d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt 1008d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt if (params->mac_addr_mask) { 1009d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt wpa_printf(MSG_DEBUG, "nl80211: MAC address mask: " 1010d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt MACSTR, MAC2STR(params->mac_addr_mask)); 1011d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt if (nla_put(msg, QCA_WLAN_VENDOR_ATTR_SCAN_MAC_MASK, 1012d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt ETH_ALEN, params->mac_addr_mask)) 1013d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt goto fail; 1014d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt } 1015d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt } 1016d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt 1017d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt if (scan_flags && 1018d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, scan_flags)) 1019d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt goto fail; 1020d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt 1021d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt if (params->p2p_probe) { 1022d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt struct nlattr *rates; 1023d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt 1024d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt wpa_printf(MSG_DEBUG, "nl80211: P2P probe - mask SuppRates"); 1025d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt 1026d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt rates = nla_nest_start(msg, 1027d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt QCA_WLAN_VENDOR_ATTR_SCAN_SUPP_RATES); 1028d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt if (rates == NULL) 1029d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt goto fail; 1030d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt 1031d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt /* 1032d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt * Remove 2.4 GHz rates 1, 2, 5.5, 11 Mbps from supported rates 1033d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt * by masking out everything else apart from the OFDM rates 6, 1034d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt * 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS rates. All 5 GHz 1035d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt * rates are left enabled. 1036d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt */ 1037d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt if (nla_put(msg, NL80211_BAND_2GHZ, 8, 1038d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt "\x0c\x12\x18\x24\x30\x48\x60\x6c")) 1039d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt goto fail; 1040d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt nla_nest_end(msg, rates); 1041d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt 1042d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt if (nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_SCAN_TX_NO_CCK_RATE)) 1043d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt goto fail; 1044d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt } 1045d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt 1046d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt nla_nest_end(msg, attr); 1047d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt 1048d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt ret = send_and_recv_msgs(drv, msg, scan_cookie_handler, &cookie); 1049d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt msg = NULL; 1050d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt if (ret) { 1051d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt wpa_printf(MSG_DEBUG, 1052d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt "nl80211: Vendor scan trigger failed: ret=%d (%s)", 1053d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt ret, strerror(-ret)); 1054d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt goto fail; 1055d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt } 1056d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt 1057d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt drv->vendor_scan_cookie = cookie; 1058d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt drv->scan_state = SCAN_REQUESTED; 1059d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt 1060d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt wpa_printf(MSG_DEBUG, 1061d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt "nl80211: Vendor scan requested (ret=%d) - scan timeout 30 seconds, scan cookie:0x%llx", 1062d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt ret, (long long unsigned int) cookie); 1063d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx); 1064d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt eloop_register_timeout(30, 0, wpa_driver_nl80211_scan_timeout, 1065d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt drv, drv->ctx); 1066d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt drv->last_scan_cmd = NL80211_CMD_VENDOR; 1067d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt 1068d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidtfail: 1069d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt nlmsg_free(msg); 1070d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt return ret; 1071d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt} 1072d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt 1073d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt#endif /* CONFIG_DRIVER_NL80211_QCA */ 1074