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hostap/src/drivers/driver_nl80211_capa.c

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/*
* Driver interaction with Linux nl80211/cfg80211 - Capabilities
* Copyright (c) 2002-2015, Jouni Malinen <j@w1.fi>
* Copyright (c) 2007, Johannes Berg <johannes@sipsolutions.net>
* Copyright (c) 2009-2010, Atheros Communications
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#include "includes.h"
#include <netlink/genl/genl.h>
#include "utils/common.h"
#include "common/ieee802_11_common.h"
#include "common/wpa_common.h"
#include "common/qca-vendor.h"
#include "common/qca-vendor-attr.h"
#include "driver_nl80211.h"
static int protocol_feature_handler(struct nl_msg *msg, void *arg)
{
u32 *feat = arg;
struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
genlmsg_attrlen(gnlh, 0), NULL);
if (tb_msg[NL80211_ATTR_PROTOCOL_FEATURES])
*feat = nla_get_u32(tb_msg[NL80211_ATTR_PROTOCOL_FEATURES]);
return NL_SKIP;
}
static u32 get_nl80211_protocol_features(struct wpa_driver_nl80211_data *drv)
{
u32 feat = 0;
struct nl_msg *msg;
msg = nlmsg_alloc();
if (!msg)
return 0;
if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_PROTOCOL_FEATURES)) {
nlmsg_free(msg);
return 0;
}
if (send_and_recv_msgs(drv, msg, protocol_feature_handler, &feat,
NULL, NULL) == 0)
return feat;
return 0;
}
struct wiphy_info_data {
struct wpa_driver_nl80211_data *drv;
struct wpa_driver_capa *capa;
unsigned int num_multichan_concurrent;
unsigned int error:1;
unsigned int device_ap_sme:1;
unsigned int poll_command_supported:1;
unsigned int data_tx_status:1;
unsigned int auth_supported:1;
unsigned int connect_supported:1;
unsigned int p2p_go_supported:1;
unsigned int p2p_client_supported:1;
unsigned int p2p_go_ctwindow_supported:1;
unsigned int p2p_concurrent:1;
unsigned int channel_switch_supported:1;
unsigned int set_qos_map_supported:1;
unsigned int have_low_prio_scan:1;
unsigned int wmm_ac_supported:1;
unsigned int mac_addr_rand_scan_supported:1;
unsigned int mac_addr_rand_sched_scan_supported:1;
unsigned int update_ft_ies_supported:1;
unsigned int has_key_mgmt:1;
unsigned int has_key_mgmt_iftype:1;
};
static unsigned int probe_resp_offload_support(int supp_protocols)
{
unsigned int prot = 0;
if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS)
prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS;
if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2)
prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS2;
if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P)
prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_P2P;
if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_80211U)
prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_INTERWORKING;
return prot;
}
static void wiphy_info_supported_iftypes(struct wiphy_info_data *info,
struct nlattr *tb)
{
struct nlattr *nl_mode;
int i;
if (tb == NULL)
return;
nla_for_each_nested(nl_mode, tb, i) {
switch (nla_type(nl_mode)) {
case NL80211_IFTYPE_AP:
info->capa->flags |= WPA_DRIVER_FLAGS_AP;
break;
case NL80211_IFTYPE_MESH_POINT:
info->capa->flags |= WPA_DRIVER_FLAGS_MESH;
break;
case NL80211_IFTYPE_ADHOC:
info->capa->flags |= WPA_DRIVER_FLAGS_IBSS;
break;
case NL80211_IFTYPE_P2P_DEVICE:
info->capa->flags |=
WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE;
break;
case NL80211_IFTYPE_P2P_GO:
info->p2p_go_supported = 1;
break;
case NL80211_IFTYPE_P2P_CLIENT:
info->p2p_client_supported = 1;
break;
}
}
}
static int wiphy_info_iface_comb_process(struct wiphy_info_data *info,
struct nlattr *nl_combi)
{
struct nlattr *tb_comb[NUM_NL80211_IFACE_COMB];
struct nlattr *tb_limit[NUM_NL80211_IFACE_LIMIT];
struct nlattr *nl_limit, *nl_mode;
int err, rem_limit, rem_mode;
int combination_has_p2p = 0, combination_has_mgd = 0;
static struct nla_policy
iface_combination_policy[NUM_NL80211_IFACE_COMB] = {
[NL80211_IFACE_COMB_LIMITS] = { .type = NLA_NESTED },
[NL80211_IFACE_COMB_MAXNUM] = { .type = NLA_U32 },
[NL80211_IFACE_COMB_STA_AP_BI_MATCH] = { .type = NLA_FLAG },
[NL80211_IFACE_COMB_NUM_CHANNELS] = { .type = NLA_U32 },
[NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS] = { .type = NLA_U32 },
},
iface_limit_policy[NUM_NL80211_IFACE_LIMIT] = {
[NL80211_IFACE_LIMIT_TYPES] = { .type = NLA_NESTED },
[NL80211_IFACE_LIMIT_MAX] = { .type = NLA_U32 },
};
err = nla_parse_nested(tb_comb, MAX_NL80211_IFACE_COMB,
nl_combi, iface_combination_policy);
if (err || !tb_comb[NL80211_IFACE_COMB_LIMITS] ||
!tb_comb[NL80211_IFACE_COMB_MAXNUM] ||
!tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS])
return 0; /* broken combination */
if (tb_comb[NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS])
info->capa->flags |= WPA_DRIVER_FLAGS_RADAR;
nla_for_each_nested(nl_limit, tb_comb[NL80211_IFACE_COMB_LIMITS],
rem_limit) {
err = nla_parse_nested(tb_limit, MAX_NL80211_IFACE_LIMIT,
nl_limit, iface_limit_policy);
if (err || !tb_limit[NL80211_IFACE_LIMIT_TYPES])
return 0; /* broken combination */
nla_for_each_nested(nl_mode,
tb_limit[NL80211_IFACE_LIMIT_TYPES],
rem_mode) {
int ift = nla_type(nl_mode);
if (ift == NL80211_IFTYPE_P2P_GO ||
ift == NL80211_IFTYPE_P2P_CLIENT)
combination_has_p2p = 1;
if (ift == NL80211_IFTYPE_STATION)
combination_has_mgd = 1;
}
if (combination_has_p2p && combination_has_mgd)
break;
}
if (combination_has_p2p && combination_has_mgd) {
unsigned int num_channels =
nla_get_u32(tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS]);
info->p2p_concurrent = 1;
if (info->num_multichan_concurrent < num_channels)
info->num_multichan_concurrent = num_channels;
}
return 0;
}
static void wiphy_info_iface_comb(struct wiphy_info_data *info,
struct nlattr *tb)
{
struct nlattr *nl_combi;
int rem_combi;
if (tb == NULL)
return;
nla_for_each_nested(nl_combi, tb, rem_combi) {
if (wiphy_info_iface_comb_process(info, nl_combi) > 0)
break;
}
}
static void wiphy_info_supp_cmds(struct wiphy_info_data *info,
struct nlattr *tb)
{
struct nlattr *nl_cmd;
int i;
if (tb == NULL)
return;
nla_for_each_nested(nl_cmd, tb, i) {
switch (nla_get_u32(nl_cmd)) {
case NL80211_CMD_AUTHENTICATE:
info->auth_supported = 1;
break;
case NL80211_CMD_CONNECT:
info->connect_supported = 1;
break;
case NL80211_CMD_START_SCHED_SCAN:
info->capa->sched_scan_supported = 1;
break;
case NL80211_CMD_PROBE_CLIENT:
info->poll_command_supported = 1;
break;
case NL80211_CMD_CHANNEL_SWITCH:
info->channel_switch_supported = 1;
break;
case NL80211_CMD_SET_QOS_MAP:
info->set_qos_map_supported = 1;
break;
case NL80211_CMD_UPDATE_FT_IES:
info->update_ft_ies_supported = 1;
break;
}
}
}
static unsigned int get_akm_suites_info(struct nlattr *tb)
{
int i, num;
unsigned int key_mgmt = 0;
u32 *akms;
if (!tb)
return 0;
num = nla_len(tb) / sizeof(u32);
akms = nla_data(tb);
for (i = 0; i < num; i++) {
switch (akms[i]) {
case RSN_AUTH_KEY_MGMT_UNSPEC_802_1X:
key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA |
WPA_DRIVER_CAPA_KEY_MGMT_WPA2;
break;
case RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X:
key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK;
break;
case RSN_AUTH_KEY_MGMT_FT_802_1X:
key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT;
break;
case RSN_AUTH_KEY_MGMT_FT_PSK:
key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK;
break;
case RSN_AUTH_KEY_MGMT_802_1X_SHA256:
key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_802_1X_SHA256;
break;
case RSN_AUTH_KEY_MGMT_PSK_SHA256:
key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_PSK_SHA256;
break;
case RSN_AUTH_KEY_MGMT_TPK_HANDSHAKE:
key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_TPK_HANDSHAKE;
break;
case RSN_AUTH_KEY_MGMT_FT_SAE:
key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT_SAE;
break;
case RSN_AUTH_KEY_MGMT_FT_802_1X_SHA384:
key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT_802_1X_SHA384;
break;
case RSN_AUTH_KEY_MGMT_CCKM:
key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_CCKM;
break;
case RSN_AUTH_KEY_MGMT_OSEN:
key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_OSEN;
break;
case RSN_AUTH_KEY_MGMT_802_1X_SUITE_B:
key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B;
break;
case RSN_AUTH_KEY_MGMT_802_1X_SUITE_B_192:
key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192;
break;
case RSN_AUTH_KEY_MGMT_OWE:
key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_OWE;
break;
case RSN_AUTH_KEY_MGMT_DPP:
key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_DPP;
break;
case RSN_AUTH_KEY_MGMT_FILS_SHA256:
key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA256;
break;
case RSN_AUTH_KEY_MGMT_FILS_SHA384:
key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA384;
break;
case RSN_AUTH_KEY_MGMT_FT_FILS_SHA256:
key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA256;
break;
case RSN_AUTH_KEY_MGMT_FT_FILS_SHA384:
key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA384;
break;
case RSN_AUTH_KEY_MGMT_SAE:
key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_SAE;
break;
}
}
return key_mgmt;
}
static void get_iface_akm_suites_info(struct wiphy_info_data *info,
struct nlattr *nl_akms)
{
struct nlattr *tb[NL80211_IFTYPE_AKM_ATTR_MAX + 1];
struct nlattr *nl_iftype;
unsigned int key_mgmt;
int i;
if (!nl_akms)
return;
nla_parse(tb, NL80211_IFTYPE_AKM_ATTR_MAX,
nla_data(nl_akms), nla_len(nl_akms), NULL);
if (!tb[NL80211_IFTYPE_AKM_ATTR_IFTYPES] ||
!tb[NL80211_IFTYPE_AKM_ATTR_SUITES])
return;
info->has_key_mgmt_iftype = 1;
key_mgmt = get_akm_suites_info(tb[NL80211_IFTYPE_AKM_ATTR_SUITES]);
nla_for_each_nested(nl_iftype, tb[NL80211_IFTYPE_AKM_ATTR_IFTYPES], i) {
switch (nla_type(nl_iftype)) {
case NL80211_IFTYPE_ADHOC:
info->drv->capa.key_mgmt_iftype[WPA_IF_IBSS] = key_mgmt;
break;
case NL80211_IFTYPE_STATION:
info->drv->capa.key_mgmt_iftype[WPA_IF_STATION] =
key_mgmt;
break;
case NL80211_IFTYPE_AP:
info->drv->capa.key_mgmt_iftype[WPA_IF_AP_BSS] =
key_mgmt;
break;
case NL80211_IFTYPE_AP_VLAN:
info->drv->capa.key_mgmt_iftype[WPA_IF_AP_VLAN] =
key_mgmt;
break;
case NL80211_IFTYPE_MESH_POINT:
info->drv->capa.key_mgmt_iftype[WPA_IF_MESH] = key_mgmt;
break;
case NL80211_IFTYPE_P2P_CLIENT:
info->drv->capa.key_mgmt_iftype[WPA_IF_P2P_CLIENT] =
key_mgmt;
break;
case NL80211_IFTYPE_P2P_GO:
info->drv->capa.key_mgmt_iftype[WPA_IF_P2P_GO] =
key_mgmt;
break;
case NL80211_IFTYPE_P2P_DEVICE:
info->drv->capa.key_mgmt_iftype[WPA_IF_P2P_DEVICE] =
key_mgmt;
break;
case NL80211_IFTYPE_NAN:
info->drv->capa.key_mgmt_iftype[WPA_IF_NAN] = key_mgmt;
break;
}
wpa_printf(MSG_DEBUG, "nl80211: %s supported key_mgmt 0x%x",
nl80211_iftype_str(nla_type(nl_iftype)),
key_mgmt);
}
}
static void wiphy_info_iftype_akm_suites(struct wiphy_info_data *info,
struct nlattr *tb)
{
struct nlattr *nl_if;
int rem_if;
if (!tb)
return;
nla_for_each_nested(nl_if, tb, rem_if)
get_iface_akm_suites_info(info, nl_if);
}
static void wiphy_info_akm_suites(struct wiphy_info_data *info,
struct nlattr *tb)
{
if (!tb)
return;
info->has_key_mgmt = 1;
info->capa->key_mgmt = get_akm_suites_info(tb);
wpa_printf(MSG_DEBUG, "nl80211: wiphy supported key_mgmt 0x%x",
info->capa->key_mgmt);
}
static void wiphy_info_cipher_suites(struct wiphy_info_data *info,
struct nlattr *tb)
{
int i, num;
u32 *ciphers;
if (tb == NULL)
return;
num = nla_len(tb) / sizeof(u32);
ciphers = nla_data(tb);
for (i = 0; i < num; i++) {
u32 c = ciphers[i];
wpa_printf(MSG_DEBUG, "nl80211: Supported cipher %02x-%02x-%02x:%d",
c >> 24, (c >> 16) & 0xff,
(c >> 8) & 0xff, c & 0xff);
switch (c) {
case RSN_CIPHER_SUITE_CCMP_256:
info->capa->enc |= WPA_DRIVER_CAPA_ENC_CCMP_256;
break;
case RSN_CIPHER_SUITE_GCMP_256:
info->capa->enc |= WPA_DRIVER_CAPA_ENC_GCMP_256;
break;
case RSN_CIPHER_SUITE_CCMP:
info->capa->enc |= WPA_DRIVER_CAPA_ENC_CCMP;
break;
case RSN_CIPHER_SUITE_GCMP:
info->capa->enc |= WPA_DRIVER_CAPA_ENC_GCMP;
break;
case RSN_CIPHER_SUITE_TKIP:
info->capa->enc |= WPA_DRIVER_CAPA_ENC_TKIP;
break;
case RSN_CIPHER_SUITE_WEP104:
info->capa->enc |= WPA_DRIVER_CAPA_ENC_WEP104;
break;
case RSN_CIPHER_SUITE_WEP40:
info->capa->enc |= WPA_DRIVER_CAPA_ENC_WEP40;
break;
case RSN_CIPHER_SUITE_AES_128_CMAC:
info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP;
break;
case RSN_CIPHER_SUITE_BIP_GMAC_128:
info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_GMAC_128;
break;
case RSN_CIPHER_SUITE_BIP_GMAC_256:
info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_GMAC_256;
break;
case RSN_CIPHER_SUITE_BIP_CMAC_256:
info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_CMAC_256;
break;
case RSN_CIPHER_SUITE_NO_GROUP_ADDRESSED:
info->capa->enc |= WPA_DRIVER_CAPA_ENC_GTK_NOT_USED;
break;
}
}
}
static void wiphy_info_max_roc(struct wpa_driver_capa *capa,
struct nlattr *tb)
{
if (tb)
capa->max_remain_on_chan = nla_get_u32(tb);
}
static void wiphy_info_tdls(struct wpa_driver_capa *capa, struct nlattr *tdls,
struct nlattr *ext_setup)
{
if (tdls == NULL)
return;
wpa_printf(MSG_DEBUG, "nl80211: TDLS supported");
capa->flags |= WPA_DRIVER_FLAGS_TDLS_SUPPORT;
if (ext_setup) {
wpa_printf(MSG_DEBUG, "nl80211: TDLS external setup");
capa->flags |= WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP;
}
}
static int ext_feature_isset(const u8 *ext_features, int ext_features_len,
enum nl80211_ext_feature_index ftidx)
{
u8 ft_byte;
if ((int) ftidx / 8 >= ext_features_len)
return 0;
ft_byte = ext_features[ftidx / 8];
return (ft_byte & BIT(ftidx % 8)) != 0;
}
static void wiphy_info_ext_feature_flags(struct wiphy_info_data *info,
struct nlattr *tb)
{
struct wpa_driver_capa *capa = info->capa;
u8 *ext_features;
int len;
if (tb == NULL)
return;
ext_features = nla_data(tb);
len = nla_len(tb);
if (ext_feature_isset(ext_features, len, NL80211_EXT_FEATURE_VHT_IBSS))
capa->flags |= WPA_DRIVER_FLAGS_VHT_IBSS;
if (ext_feature_isset(ext_features, len, NL80211_EXT_FEATURE_RRM))
capa->rrm_flags |= WPA_DRIVER_FLAGS_SUPPORT_RRM;
if (ext_feature_isset(ext_features, len, NL80211_EXT_FEATURE_FILS_STA))
capa->flags |= WPA_DRIVER_FLAGS_SUPPORT_FILS;
if (ext_feature_isset(ext_features, len,
NL80211_EXT_FEATURE_BEACON_RATE_LEGACY))
capa->flags |= WPA_DRIVER_FLAGS_BEACON_RATE_LEGACY;
if (ext_feature_isset(ext_features, len,
NL80211_EXT_FEATURE_BEACON_RATE_HT))
capa->flags |= WPA_DRIVER_FLAGS_BEACON_RATE_HT;
if (ext_feature_isset(ext_features, len,
NL80211_EXT_FEATURE_BEACON_RATE_VHT))
capa->flags |= WPA_DRIVER_FLAGS_BEACON_RATE_VHT;
if (ext_feature_isset(ext_features, len,
NL80211_EXT_FEATURE_BEACON_RATE_HE))
capa->flags2 |= WPA_DRIVER_FLAGS2_BEACON_RATE_HE;
if (ext_feature_isset(ext_features, len,
NL80211_EXT_FEATURE_SET_SCAN_DWELL))
capa->rrm_flags |= WPA_DRIVER_FLAGS_SUPPORT_SET_SCAN_DWELL;
if (ext_feature_isset(ext_features, len,
NL80211_EXT_FEATURE_SCAN_START_TIME) &&
ext_feature_isset(ext_features, len,
NL80211_EXT_FEATURE_BSS_PARENT_TSF) &&
ext_feature_isset(ext_features, len,
NL80211_EXT_FEATURE_SET_SCAN_DWELL))
capa->rrm_flags |= WPA_DRIVER_FLAGS_SUPPORT_BEACON_REPORT;
if (ext_feature_isset(ext_features, len,
NL80211_EXT_FEATURE_MGMT_TX_RANDOM_TA))
capa->flags |= WPA_DRIVER_FLAGS_MGMT_TX_RANDOM_TA;
if (ext_feature_isset(ext_features, len,
NL80211_EXT_FEATURE_MGMT_TX_RANDOM_TA_CONNECTED))
capa->flags |= WPA_DRIVER_FLAGS_MGMT_TX_RANDOM_TA_CONNECTED;
if (ext_feature_isset(ext_features, len,
NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI))
capa->flags |= WPA_DRIVER_FLAGS_SCHED_SCAN_RELATIVE_RSSI;
if (ext_feature_isset(ext_features, len,
NL80211_EXT_FEATURE_FILS_SK_OFFLOAD))
capa->flags |= WPA_DRIVER_FLAGS_FILS_SK_OFFLOAD;
if (ext_feature_isset(ext_features, len,
NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK))
capa->flags |= WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_PSK;
if (ext_feature_isset(ext_features, len,
NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X))
capa->flags |= WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X;
if (ext_feature_isset(ext_features, len,
NL80211_EXT_FEATURE_MFP_OPTIONAL))
capa->flags |= WPA_DRIVER_FLAGS_MFP_OPTIONAL;
if (ext_feature_isset(ext_features, len,
NL80211_EXT_FEATURE_DFS_OFFLOAD))
capa->flags |= WPA_DRIVER_FLAGS_DFS_OFFLOAD;
#ifdef CONFIG_MBO
if (ext_feature_isset(ext_features, len,
NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME) &&
ext_feature_isset(ext_features, len,
NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP) &&
ext_feature_isset(ext_features, len,
NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE) &&
ext_feature_isset(
ext_features, len,
NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION))
capa->flags |= WPA_DRIVER_FLAGS_OCE_STA;
#endif /* CONFIG_MBO */
if (ext_feature_isset(ext_features, len,
NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER))
capa->flags |= WPA_DRIVER_FLAGS_FTM_RESPONDER;
if (ext_feature_isset(ext_features, len,
NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211))
capa->flags |= WPA_DRIVER_FLAGS_CONTROL_PORT;
if (ext_feature_isset(ext_features, len,
NL80211_EXT_FEATURE_CONTROL_PORT_NO_PREAUTH))
capa->flags2 |= WPA_DRIVER_FLAGS2_CONTROL_PORT_RX;
if (ext_feature_isset(
ext_features, len,
NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211_TX_STATUS))
capa->flags2 |= WPA_DRIVER_FLAGS2_CONTROL_PORT_TX_STATUS;
if (ext_feature_isset(ext_features, len,
NL80211_EXT_FEATURE_VLAN_OFFLOAD))
capa->flags |= WPA_DRIVER_FLAGS_VLAN_OFFLOAD;
if (ext_feature_isset(ext_features, len,
NL80211_EXT_FEATURE_CAN_REPLACE_PTK0))
capa->flags |= WPA_DRIVER_FLAGS_SAFE_PTK0_REKEYS;
if (ext_feature_isset(ext_features, len,
NL80211_EXT_FEATURE_BEACON_PROTECTION))
capa->flags |= WPA_DRIVER_FLAGS_BEACON_PROTECTION;
if (ext_feature_isset(ext_features, len,
NL80211_EXT_FEATURE_EXT_KEY_ID))
capa->flags |= WPA_DRIVER_FLAGS_EXTENDED_KEY_ID;
if (ext_feature_isset(ext_features, len,
NL80211_EXT_FEATURE_MULTICAST_REGISTRATIONS))
info->drv->multicast_registrations = 1;
if (ext_feature_isset(ext_features, len,
NL80211_EXT_FEATURE_FILS_DISCOVERY))
info->drv->fils_discovery = 1;
if (ext_feature_isset(ext_features, len,
NL80211_EXT_FEATURE_UNSOL_BCAST_PROBE_RESP))
info->drv->unsol_bcast_probe_resp = 1;
if (ext_feature_isset(ext_features, len,
NL80211_EXT_FEATURE_BEACON_PROTECTION_CLIENT))
capa->flags2 |= WPA_DRIVER_FLAGS2_BEACON_PROTECTION_CLIENT;
if (ext_feature_isset(ext_features, len,
NL80211_EXT_FEATURE_OPERATING_CHANNEL_VALIDATION))
capa->flags2 |= WPA_DRIVER_FLAGS2_OCV;
}
static void wiphy_info_feature_flags(struct wiphy_info_data *info,
struct nlattr *tb)
{
u32 flags;
struct wpa_driver_capa *capa = info->capa;
if (tb == NULL)
return;
flags = nla_get_u32(tb);
if (flags & NL80211_FEATURE_SK_TX_STATUS)
info->data_tx_status = 1;
if (flags & NL80211_FEATURE_INACTIVITY_TIMER)
capa->flags |= WPA_DRIVER_FLAGS_INACTIVITY_TIMER;
if (flags & NL80211_FEATURE_SAE)
capa->flags |= WPA_DRIVER_FLAGS_SAE;
if (flags & NL80211_FEATURE_NEED_OBSS_SCAN)
capa->flags |= WPA_DRIVER_FLAGS_OBSS_SCAN;
if (flags & NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)
capa->flags |= WPA_DRIVER_FLAGS_HT_2040_COEX;
if (flags & NL80211_FEATURE_TDLS_CHANNEL_SWITCH) {
wpa_printf(MSG_DEBUG, "nl80211: TDLS channel switch");
capa->flags |= WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH;
}
if (flags & NL80211_FEATURE_P2P_GO_CTWIN)
info->p2p_go_ctwindow_supported = 1;
if (flags & NL80211_FEATURE_LOW_PRIORITY_SCAN)
info->have_low_prio_scan = 1;
if (flags & NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR)
info->mac_addr_rand_scan_supported = 1;
if (flags & NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR)
info->mac_addr_rand_sched_scan_supported = 1;
if (flags & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)
info->wmm_ac_supported = 1;
if (flags & NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES)
capa->rrm_flags |= WPA_DRIVER_FLAGS_DS_PARAM_SET_IE_IN_PROBES;
if (flags & NL80211_FEATURE_WFA_TPC_IE_IN_PROBES)
capa->rrm_flags |= WPA_DRIVER_FLAGS_WFA_TPC_IE_IN_PROBES;
if (flags & NL80211_FEATURE_QUIET)
capa->rrm_flags |= WPA_DRIVER_FLAGS_QUIET;
if (flags & NL80211_FEATURE_TX_POWER_INSERTION)
capa->rrm_flags |= WPA_DRIVER_FLAGS_TX_POWER_INSERTION;
if (flags & NL80211_FEATURE_HT_IBSS)
capa->flags |= WPA_DRIVER_FLAGS_HT_IBSS;
if (flags & NL80211_FEATURE_FULL_AP_CLIENT_STATE)
capa->flags |= WPA_DRIVER_FLAGS_FULL_AP_CLIENT_STATE;
}
static void wiphy_info_probe_resp_offload(struct wpa_driver_capa *capa,
struct nlattr *tb)
{
u32 protocols;
if (tb == NULL)
return;
protocols = nla_get_u32(tb);
wpa_printf(MSG_DEBUG, "nl80211: Supports Probe Response offload in AP "
"mode");
capa->flags |= WPA_DRIVER_FLAGS_PROBE_RESP_OFFLOAD;
capa->probe_resp_offloads = probe_resp_offload_support(protocols);
}
static void wiphy_info_wowlan_triggers(struct wpa_driver_capa *capa,
struct nlattr *tb)
{
struct nlattr *triggers[MAX_NL80211_WOWLAN_TRIG + 1];
if (tb == NULL)
return;
if (nla_parse_nested(triggers, MAX_NL80211_WOWLAN_TRIG,
tb, NULL))
return;
if (triggers[NL80211_WOWLAN_TRIG_ANY])
capa->wowlan_triggers.any = 1;
if (triggers[NL80211_WOWLAN_TRIG_DISCONNECT])
capa->wowlan_triggers.disconnect = 1;
if (triggers[NL80211_WOWLAN_TRIG_MAGIC_PKT])
capa->wowlan_triggers.magic_pkt = 1;
if (triggers[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE])
capa->wowlan_triggers.gtk_rekey_failure = 1;
if (triggers[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST])
capa->wowlan_triggers.eap_identity_req = 1;
if (triggers[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE])
capa->wowlan_triggers.four_way_handshake = 1;
if (triggers[NL80211_WOWLAN_TRIG_RFKILL_RELEASE])
capa->wowlan_triggers.rfkill_release = 1;
}
static void wiphy_info_extended_capab(struct wpa_driver_nl80211_data *drv,
struct nlattr *tb)
{
int rem = 0, i;
struct nlattr *tb1[NL80211_ATTR_MAX + 1], *attr;
if (!tb || drv->num_iface_ext_capa == NL80211_IFTYPE_MAX)
return;
nla_for_each_nested(attr, tb, rem) {
unsigned int len;
struct drv_nl80211_ext_capa *capa;
nla_parse(tb1, NL80211_ATTR_MAX, nla_data(attr),
nla_len(attr), NULL);
if (!tb1[NL80211_ATTR_IFTYPE] ||
!tb1[NL80211_ATTR_EXT_CAPA] ||
!tb1[NL80211_ATTR_EXT_CAPA_MASK])
continue;
capa = &drv->iface_ext_capa[drv->num_iface_ext_capa];
capa->iftype = nla_get_u32(tb1[NL80211_ATTR_IFTYPE]);
wpa_printf(MSG_DEBUG,
"nl80211: Driver-advertised extended capabilities for interface type %s",
nl80211_iftype_str(capa->iftype));
len = nla_len(tb1[NL80211_ATTR_EXT_CAPA]);
capa->ext_capa = os_memdup(nla_data(tb1[NL80211_ATTR_EXT_CAPA]),
len);
if (!capa->ext_capa)
goto err;
capa->ext_capa_len = len;
wpa_hexdump(MSG_DEBUG, "nl80211: Extended capabilities",
capa->ext_capa, capa->ext_capa_len);
len = nla_len(tb1[NL80211_ATTR_EXT_CAPA_MASK]);
capa->ext_capa_mask =
os_memdup(nla_data(tb1[NL80211_ATTR_EXT_CAPA_MASK]),
len);
if (!capa->ext_capa_mask)
goto err;
wpa_hexdump(MSG_DEBUG, "nl80211: Extended capabilities mask",
capa->ext_capa_mask, capa->ext_capa_len);
drv->num_iface_ext_capa++;
if (drv->num_iface_ext_capa == NL80211_IFTYPE_MAX)
break;
}
return;
err:
/* Cleanup allocated memory on error */
for (i = 0; i < NL80211_IFTYPE_MAX; i++) {
os_free(drv->iface_ext_capa[i].ext_capa);
drv->iface_ext_capa[i].ext_capa = NULL;
os_free(drv->iface_ext_capa[i].ext_capa_mask);
drv->iface_ext_capa[i].ext_capa_mask = NULL;
drv->iface_ext_capa[i].ext_capa_len = 0;
}
drv->num_iface_ext_capa = 0;
}
static int wiphy_info_handler(struct nl_msg *msg, void *arg)
{
struct nlattr *tb[NL80211_ATTR_MAX + 1];
struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
struct wiphy_info_data *info = arg;
struct wpa_driver_capa *capa = info->capa;
struct wpa_driver_nl80211_data *drv = info->drv;
nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
genlmsg_attrlen(gnlh, 0), NULL);
if (tb[NL80211_ATTR_WIPHY])
drv->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
if (tb[NL80211_ATTR_WIPHY_NAME])
os_strlcpy(drv->phyname,
nla_get_string(tb[NL80211_ATTR_WIPHY_NAME]),
sizeof(drv->phyname));
if (tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS])
capa->max_scan_ssids =
nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS]);
if (tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS])
capa->max_sched_scan_ssids =
nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS]);
if (tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS] &&
tb[NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL] &&
tb[NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS]) {
capa->max_sched_scan_plans =
nla_get_u32(tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS]);
capa->max_sched_scan_plan_interval =
nla_get_u32(tb[NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL]);
capa->max_sched_scan_plan_iterations =
nla_get_u32(tb[NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS]);
}
if (tb[NL80211_ATTR_MAX_MATCH_SETS])
capa->max_match_sets =
nla_get_u8(tb[NL80211_ATTR_MAX_MATCH_SETS]);
if (tb[NL80211_ATTR_MAC_ACL_MAX])
capa->max_acl_mac_addrs =
nla_get_u8(tb[NL80211_ATTR_MAC_ACL_MAX]);
wiphy_info_supported_iftypes(info, tb[NL80211_ATTR_SUPPORTED_IFTYPES]);
wiphy_info_iface_comb(info, tb[NL80211_ATTR_INTERFACE_COMBINATIONS]);
wiphy_info_supp_cmds(info, tb[NL80211_ATTR_SUPPORTED_COMMANDS]);
wiphy_info_cipher_suites(info, tb[NL80211_ATTR_CIPHER_SUITES]);
wiphy_info_akm_suites(info, tb[NL80211_ATTR_AKM_SUITES]);
wiphy_info_iftype_akm_suites(info, tb[NL80211_ATTR_IFTYPE_AKM_SUITES]);
if (tb[NL80211_ATTR_OFFCHANNEL_TX_OK]) {
wpa_printf(MSG_DEBUG, "nl80211: Using driver-based "
"off-channel TX");
capa->flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_TX;
}
if (tb[NL80211_ATTR_ROAM_SUPPORT]) {
wpa_printf(MSG_DEBUG, "nl80211: Using driver-based roaming");
capa->flags |= WPA_DRIVER_FLAGS_BSS_SELECTION;
}
wiphy_info_max_roc(capa,
tb[NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION]);
if (tb[NL80211_ATTR_SUPPORT_AP_UAPSD])
capa->flags |= WPA_DRIVER_FLAGS_AP_UAPSD;
wiphy_info_tdls(capa, tb[NL80211_ATTR_TDLS_SUPPORT],
tb[NL80211_ATTR_TDLS_EXTERNAL_SETUP]);
if (tb[NL80211_ATTR_DEVICE_AP_SME])
info->device_ap_sme = 1;
wiphy_info_feature_flags(info, tb[NL80211_ATTR_FEATURE_FLAGS]);
wiphy_info_ext_feature_flags(info, tb[NL80211_ATTR_EXT_FEATURES]);
wiphy_info_probe_resp_offload(capa,
tb[NL80211_ATTR_PROBE_RESP_OFFLOAD]);
if (tb[NL80211_ATTR_EXT_CAPA] && tb[NL80211_ATTR_EXT_CAPA_MASK] &&
drv->extended_capa == NULL) {
drv->extended_capa =
os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA]));
if (drv->extended_capa) {
os_memcpy(drv->extended_capa,
nla_data(tb[NL80211_ATTR_EXT_CAPA]),
nla_len(tb[NL80211_ATTR_EXT_CAPA]));
drv->extended_capa_len =
nla_len(tb[NL80211_ATTR_EXT_CAPA]);
wpa_hexdump(MSG_DEBUG,
"nl80211: Driver-advertised extended capabilities (default)",
drv->extended_capa, drv->extended_capa_len);
}
drv->extended_capa_mask =
os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA_MASK]));
if (drv->extended_capa_mask) {
os_memcpy(drv->extended_capa_mask,
nla_data(tb[NL80211_ATTR_EXT_CAPA_MASK]),
nla_len(tb[NL80211_ATTR_EXT_CAPA_MASK]));
wpa_hexdump(MSG_DEBUG,
"nl80211: Driver-advertised extended capabilities mask (default)",
drv->extended_capa_mask,
drv->extended_capa_len);
} else {
os_free(drv->extended_capa);
drv->extended_capa = NULL;
drv->extended_capa_len = 0;
}
}
wiphy_info_extended_capab(drv, tb[NL80211_ATTR_IFTYPE_EXT_CAPA]);
if (tb[NL80211_ATTR_VENDOR_DATA]) {
struct nlattr *nl;
int rem;
nla_for_each_nested(nl, tb[NL80211_ATTR_VENDOR_DATA], rem) {
struct nl80211_vendor_cmd_info *vinfo;
if (nla_len(nl) != sizeof(*vinfo)) {
wpa_printf(MSG_DEBUG, "nl80211: Unexpected vendor data info");
continue;
}
vinfo = nla_data(nl);
if (vinfo->vendor_id == OUI_QCA) {
switch (vinfo->subcmd) {
case QCA_NL80211_VENDOR_SUBCMD_TEST:
drv->vendor_cmd_test_avail = 1;
break;
#ifdef CONFIG_DRIVER_NL80211_QCA
case QCA_NL80211_VENDOR_SUBCMD_ROAMING:
drv->roaming_vendor_cmd_avail = 1;
break;
case QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY:
drv->dfs_vendor_cmd_avail = 1;
break;
case QCA_NL80211_VENDOR_SUBCMD_GET_FEATURES:
drv->get_features_vendor_cmd_avail = 1;
break;
case QCA_NL80211_VENDOR_SUBCMD_GET_PREFERRED_FREQ_LIST:
drv->get_pref_freq_list = 1;
break;
case QCA_NL80211_VENDOR_SUBCMD_SET_PROBABLE_OPER_CHANNEL:
drv->set_prob_oper_freq = 1;
break;
case QCA_NL80211_VENDOR_SUBCMD_DO_ACS:
drv->capa.flags |=
WPA_DRIVER_FLAGS_ACS_OFFLOAD;
break;
case QCA_NL80211_VENDOR_SUBCMD_SETBAND:
drv->setband_vendor_cmd_avail = 1;
break;
case QCA_NL80211_VENDOR_SUBCMD_TRIGGER_SCAN:
drv->scan_vendor_cmd_avail = 1;
break;
case QCA_NL80211_VENDOR_SUBCMD_SET_WIFI_CONFIGURATION:
drv->set_wifi_conf_vendor_cmd_avail = 1;
break;
case QCA_NL80211_VENDOR_SUBCMD_FETCH_BSS_TRANSITION_STATUS:
drv->fetch_bss_trans_status = 1;
break;
case QCA_NL80211_VENDOR_SUBCMD_ROAM:
drv->roam_vendor_cmd_avail = 1;
break;
case QCA_NL80211_VENDOR_SUBCMD_ADD_STA_NODE:
drv->add_sta_node_vendor_cmd_avail = 1;
break;
case QCA_NL80211_VENDOR_SUBCMD_GET_STA_INFO:
drv->get_sta_info_vendor_cmd_avail = 1;
break;
#endif /* CONFIG_DRIVER_NL80211_QCA */
}
}
wpa_printf(MSG_DEBUG, "nl80211: Supported vendor command: vendor_id=0x%x subcmd=%u",
vinfo->vendor_id, vinfo->subcmd);
}
}
if (tb[NL80211_ATTR_VENDOR_EVENTS]) {
struct nlattr *nl;
int rem;
nla_for_each_nested(nl, tb[NL80211_ATTR_VENDOR_EVENTS], rem) {
struct nl80211_vendor_cmd_info *vinfo;
if (nla_len(nl) != sizeof(*vinfo)) {
wpa_printf(MSG_DEBUG, "nl80211: Unexpected vendor data info");
continue;
}
vinfo = nla_data(nl);
wpa_printf(MSG_DEBUG, "nl80211: Supported vendor event: vendor_id=0x%x subcmd=%u",
vinfo->vendor_id, vinfo->subcmd);
}
}
wiphy_info_wowlan_triggers(capa,
tb[NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED]);
if (tb[NL80211_ATTR_MAX_AP_ASSOC_STA])
capa->max_stations =
nla_get_u32(tb[NL80211_ATTR_MAX_AP_ASSOC_STA]);
if (tb[NL80211_ATTR_MAX_CSA_COUNTERS])
capa->max_csa_counters =
nla_get_u8(tb[NL80211_ATTR_MAX_CSA_COUNTERS]);
if (tb[NL80211_ATTR_WIPHY_SELF_MANAGED_REG])
capa->flags |= WPA_DRIVER_FLAGS_SELF_MANAGED_REGULATORY;
return NL_SKIP;
}
static int wpa_driver_nl80211_get_info(struct wpa_driver_nl80211_data *drv,
struct wiphy_info_data *info)
{
u32 feat;
struct nl_msg *msg;
int flags = 0;
os_memset(info, 0, sizeof(*info));
info->capa = &drv->capa;
info->drv = drv;
feat = get_nl80211_protocol_features(drv);
if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)
flags = NLM_F_DUMP;
msg = nl80211_cmd_msg(drv->first_bss, flags, NL80211_CMD_GET_WIPHY);
if (!msg || nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP)) {
nlmsg_free(msg);
return -1;
}
if (send_and_recv_msgs(drv, msg, wiphy_info_handler, info, NULL, NULL))
return -1;
if (info->auth_supported)
drv->capa.flags |= WPA_DRIVER_FLAGS_SME;
else if (!info->connect_supported) {
wpa_printf(MSG_INFO, "nl80211: Driver does not support "
"authentication/association or connect commands");
info->error = 1;
}
if (info->p2p_go_supported && info->p2p_client_supported)
drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CAPABLE;
if (info->p2p_concurrent) {
wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
"interface (driver advertised support)");
drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
}
if (info->num_multichan_concurrent > 1) {
wpa_printf(MSG_DEBUG, "nl80211: Enable multi-channel "
"concurrent (driver advertised support)");
drv->capa.num_multichan_concurrent =
info->num_multichan_concurrent;
}
if (drv->capa.flags & WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE)
wpa_printf(MSG_DEBUG, "nl80211: use P2P_DEVICE support");
/* default to 5000 since early versions of mac80211 don't set it */
if (!drv->capa.max_remain_on_chan)
drv->capa.max_remain_on_chan = 5000;
drv->capa.wmm_ac_supported = info->wmm_ac_supported;
drv->capa.mac_addr_rand_sched_scan_supported =
info->mac_addr_rand_sched_scan_supported;
drv->capa.mac_addr_rand_scan_supported =
info->mac_addr_rand_scan_supported;
if (info->channel_switch_supported) {
drv->capa.flags |= WPA_DRIVER_FLAGS_AP_CSA;
if (!drv->capa.max_csa_counters)
drv->capa.max_csa_counters = 1;
}
if (!drv->capa.max_sched_scan_plans) {
drv->capa.max_sched_scan_plans = 1;
drv->capa.max_sched_scan_plan_interval = UINT32_MAX;
drv->capa.max_sched_scan_plan_iterations = 0;
}
if (info->update_ft_ies_supported)
drv->capa.flags |= WPA_DRIVER_FLAGS_UPDATE_FT_IES;
return 0;
}
#ifdef CONFIG_DRIVER_NL80211_QCA
static int dfs_info_handler(struct nl_msg *msg, void *arg)
{
struct nlattr *tb[NL80211_ATTR_MAX + 1];
struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
int *dfs_capability_ptr = arg;
nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
genlmsg_attrlen(gnlh, 0), NULL);
if (tb[NL80211_ATTR_VENDOR_DATA]) {
struct nlattr *nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
nla_data(nl_vend), nla_len(nl_vend), NULL);
if (tb_vendor[QCA_WLAN_VENDOR_ATTR_DFS]) {
u32 val;
val = nla_get_u32(tb_vendor[QCA_WLAN_VENDOR_ATTR_DFS]);
wpa_printf(MSG_DEBUG, "nl80211: DFS offload capability: %u",
val);
*dfs_capability_ptr = val;
}
}
return NL_SKIP;
}
static void qca_nl80211_check_dfs_capa(struct wpa_driver_nl80211_data *drv)
{
struct nl_msg *msg;
int dfs_capability = 0;
int ret;
if (!drv->dfs_vendor_cmd_avail)
return;
if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY)) {
nlmsg_free(msg);
return;
}
ret = send_and_recv_msgs(drv, msg, dfs_info_handler, &dfs_capability,
NULL, NULL);
if (!ret && dfs_capability)
drv->capa.flags |= WPA_DRIVER_FLAGS_DFS_OFFLOAD;
}
struct features_info {
u8 *flags;
size_t flags_len;
struct wpa_driver_capa *capa;
};
static int features_info_handler(struct nl_msg *msg, void *arg)
{
struct nlattr *tb[NL80211_ATTR_MAX + 1];
struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
struct features_info *info = arg;
struct nlattr *nl_vend, *attr;
nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
genlmsg_attrlen(gnlh, 0), NULL);
nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
if (nl_vend) {
struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
nla_data(nl_vend), nla_len(nl_vend), NULL);
attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_FEATURE_FLAGS];
if (attr) {
int len = nla_len(attr);
info->flags = os_malloc(len);
if (info->flags != NULL) {
os_memcpy(info->flags, nla_data(attr), len);
info->flags_len = len;
}
}
attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_CONCURRENCY_CAPA];
if (attr)
info->capa->conc_capab = nla_get_u32(attr);
attr = tb_vendor[
QCA_WLAN_VENDOR_ATTR_MAX_CONCURRENT_CHANNELS_2_4_BAND];
if (attr)
info->capa->max_conc_chan_2_4 = nla_get_u32(attr);
attr = tb_vendor[
QCA_WLAN_VENDOR_ATTR_MAX_CONCURRENT_CHANNELS_5_0_BAND];
if (attr)
info->capa->max_conc_chan_5_0 = nla_get_u32(attr);
}
return NL_SKIP;
}
static int check_feature(enum qca_wlan_vendor_features feature,
struct features_info *info)
{
size_t idx = feature / 8;
return (idx < info->flags_len) &&
(info->flags[idx] & BIT(feature % 8));
}
static void qca_nl80211_get_features(struct wpa_driver_nl80211_data *drv)
{
struct nl_msg *msg;
struct features_info info;
int ret;
if (!drv->get_features_vendor_cmd_avail)
return;
if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
QCA_NL80211_VENDOR_SUBCMD_GET_FEATURES)) {
nlmsg_free(msg);
return;
}
os_memset(&info, 0, sizeof(info));
info.capa = &drv->capa;
ret = send_and_recv_msgs(drv, msg, features_info_handler, &info,
NULL, NULL);
if (ret || !info.flags)
return;
if (check_feature(QCA_WLAN_VENDOR_FEATURE_KEY_MGMT_OFFLOAD, &info))
drv->capa.flags |= WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD;
if (check_feature(QCA_WLAN_VENDOR_FEATURE_SUPPORT_HW_MODE_ANY, &info))
drv->capa.flags |= WPA_DRIVER_FLAGS_SUPPORT_HW_MODE_ANY;
if (check_feature(QCA_WLAN_VENDOR_FEATURE_OFFCHANNEL_SIMULTANEOUS,
&info))
drv->capa.flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS;
if (check_feature(QCA_WLAN_VENDOR_FEATURE_P2P_LISTEN_OFFLOAD, &info))
drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD;
if (check_feature(QCA_WLAN_VENDOR_FEATURE_OCE_STA, &info))
drv->capa.flags |= WPA_DRIVER_FLAGS_OCE_STA;
if (check_feature(QCA_WLAN_VENDOR_FEATURE_OCE_AP, &info))
drv->capa.flags |= WPA_DRIVER_FLAGS_OCE_AP;
if (check_feature(QCA_WLAN_VENDOR_FEATURE_OCE_STA_CFON, &info))
drv->capa.flags |= WPA_DRIVER_FLAGS_OCE_STA_CFON;
os_free(info.flags);
}
#endif /* CONFIG_DRIVER_NL80211_QCA */
int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv)
{
struct wiphy_info_data info;
int i;
if (wpa_driver_nl80211_get_info(drv, &info))
return -1;
if (info.error)
return -1;
drv->has_capability = 1;
drv->has_driver_key_mgmt = info.has_key_mgmt | info.has_key_mgmt_iftype;
/* Fallback to hardcoded defaults if the driver does nott advertize any
* AKM capabilities. */
if (!drv->has_driver_key_mgmt) {
drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA |
WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK |
WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B |
WPA_DRIVER_CAPA_KEY_MGMT_OWE |
WPA_DRIVER_CAPA_KEY_MGMT_DPP;
if (drv->capa.enc & (WPA_DRIVER_CAPA_ENC_CCMP_256 |
WPA_DRIVER_CAPA_ENC_GCMP_256))
drv->capa.key_mgmt |=
WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192;
if (drv->capa.flags & WPA_DRIVER_FLAGS_SME)
drv->capa.key_mgmt |=
WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA256 |
WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA384 |
WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA256 |
WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA384 |
WPA_DRIVER_CAPA_KEY_MGMT_SAE;
else if (drv->capa.flags & WPA_DRIVER_FLAGS_FILS_SK_OFFLOAD)
drv->capa.key_mgmt |=
WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA256 |
WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA384;
}
if (!info.has_key_mgmt_iftype) {
/* If the driver does not advertize per interface AKM
* capabilities, consider all interfaces to support default AKMs
* in key_mgmt. */
for (i = 0; i < WPA_IF_MAX; i++)
drv->capa.key_mgmt_iftype[i] = drv->capa.key_mgmt;
} else if (info.has_key_mgmt_iftype && !info.has_key_mgmt) {
/* If the driver advertizes only per interface supported AKMs
* but does not advertize per wiphy AKM capabilities, consider
* the default key_mgmt as a mask of per interface supported
* AKMs. */
drv->capa.key_mgmt = 0;
for (i = 0; i < WPA_IF_MAX; i++)
drv->capa.key_mgmt |= drv->capa.key_mgmt_iftype[i];
} else if (info.has_key_mgmt_iftype && info.has_key_mgmt) {
/* If the driver advertizes AKM capabilities both per wiphy and
* per interface, consider the interfaces for which per
* interface AKM capabilities were not received to support the
* default key_mgmt capabilities.
*/
for (i = 0; i < WPA_IF_MAX; i++)
if (!drv->capa.key_mgmt_iftype[i])
drv->capa.key_mgmt_iftype[i] =
drv->capa.key_mgmt;
}
drv->capa.auth = WPA_DRIVER_AUTH_OPEN |
WPA_DRIVER_AUTH_SHARED |
WPA_DRIVER_AUTH_LEAP;
drv->capa.flags |= WPA_DRIVER_FLAGS_SANE_ERROR_CODES;
drv->capa.flags |= WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE;
drv->capa.flags |= WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
/*
* As all cfg80211 drivers must support cases where the AP interface is
* removed without the knowledge of wpa_supplicant/hostapd, e.g., in
* case that the user space daemon has crashed, they must be able to
* cleanup all stations and key entries in the AP tear down flow. Thus,
* this flag can/should always be set for cfg80211 drivers.
*/
drv->capa.flags |= WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT;
if (!info.device_ap_sme) {
drv->capa.flags |= WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS;
/*
* No AP SME is currently assumed to also indicate no AP MLME
* in the driver/firmware.
*/
drv->capa.flags |= WPA_DRIVER_FLAGS_AP_MLME;
}
drv->device_ap_sme = info.device_ap_sme;
drv->poll_command_supported = info.poll_command_supported;
drv->data_tx_status = info.data_tx_status;
drv->p2p_go_ctwindow_supported = info.p2p_go_ctwindow_supported;
if (info.set_qos_map_supported)
drv->capa.flags |= WPA_DRIVER_FLAGS_QOS_MAPPING;
drv->have_low_prio_scan = info.have_low_prio_scan;
/*
* If poll command and tx status are supported, mac80211 is new enough
* to have everything we need to not need monitor interfaces.
*/
drv->use_monitor = !info.device_ap_sme &&
(!info.poll_command_supported || !info.data_tx_status);
/*
* If we aren't going to use monitor interfaces, but the
* driver doesn't support data TX status, we won't get TX
* status for EAPOL frames.
*/
if (!drv->use_monitor && !info.data_tx_status)
drv->capa.flags &= ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
#ifdef CONFIG_DRIVER_NL80211_QCA
if (!(info.capa->flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD))
qca_nl80211_check_dfs_capa(drv);
qca_nl80211_get_features(drv);
/*
* To enable offchannel simultaneous support in wpa_supplicant, the
* underlying driver needs to support the same along with offchannel TX.
* Offchannel TX support is needed since remain_on_channel and
* action_tx use some common data structures and hence cannot be
* scheduled simultaneously.
*/
if (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX))
drv->capa.flags &= ~WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS;
#endif /* CONFIG_DRIVER_NL80211_QCA */
wpa_printf(MSG_DEBUG,
"nl80211: key_mgmt=0x%x enc=0x%x auth=0x%x flags=0x%llx rrm_flags=0x%x probe_resp_offloads=0x%x max_stations=%u max_remain_on_chan=%u max_scan_ssids=%d",
drv->capa.key_mgmt, drv->capa.enc, drv->capa.auth,
(unsigned long long) drv->capa.flags, drv->capa.rrm_flags,
drv->capa.probe_resp_offloads, drv->capa.max_stations,
drv->capa.max_remain_on_chan, drv->capa.max_scan_ssids);
return 0;
}
struct phy_info_arg {
u16 *num_modes;
struct hostapd_hw_modes *modes;
int last_mode, last_chan_idx;
int failed;
u8 dfs_domain;
};
static void phy_info_ht_capa(struct hostapd_hw_modes *mode, struct nlattr *capa,
struct nlattr *ampdu_factor,
struct nlattr *ampdu_density,
struct nlattr *mcs_set)
{
if (capa)
mode->ht_capab = nla_get_u16(capa);
if (ampdu_factor)
mode->a_mpdu_params |= nla_get_u8(ampdu_factor) & 0x03;
if (ampdu_density)
mode->a_mpdu_params |= nla_get_u8(ampdu_density) << 2;
if (mcs_set && nla_len(mcs_set) >= 16) {
u8 *mcs;
mcs = nla_data(mcs_set);
os_memcpy(mode->mcs_set, mcs, 16);
}
}
static void phy_info_vht_capa(struct hostapd_hw_modes *mode,
struct nlattr *capa,
struct nlattr *mcs_set)
{
if (capa)
mode->vht_capab = nla_get_u32(capa);
if (mcs_set && nla_len(mcs_set) >= 8) {
u8 *mcs;
mcs = nla_data(mcs_set);
os_memcpy(mode->vht_mcs_set, mcs, 8);
}
}
static int phy_info_edmg_capa(struct hostapd_hw_modes *mode,
struct nlattr *bw_config,
struct nlattr *channels)
{
if (!bw_config || !channels)
return NL_OK;
mode->edmg.bw_config = nla_get_u8(bw_config);
mode->edmg.channels = nla_get_u8(channels);
if (!mode->edmg.channels || !mode->edmg.bw_config)
return NL_STOP;
return NL_OK;
}
static int cw2ecw(unsigned int cw)
{
int bit;
if (cw == 0)
return 0;
for (bit = 1; cw != 1; bit++)
cw >>= 1;
return bit;
}
static void phy_info_freq(struct hostapd_hw_modes *mode,
struct hostapd_channel_data *chan,
struct nlattr *tb_freq[])
{
u8 channel;
os_memset(chan, 0, sizeof(*chan));
chan->freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]);
chan->flag = 0;
chan->allowed_bw = ~0;
chan->dfs_cac_ms = 0;
if (ieee80211_freq_to_chan(chan->freq, &channel) != NUM_HOSTAPD_MODES)
chan->chan = channel;
else
wpa_printf(MSG_DEBUG,
"nl80211: No channel number found for frequency %u MHz",
chan->freq);
if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED])
chan->flag |= HOSTAPD_CHAN_DISABLED;
if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IR])
chan->flag |= HOSTAPD_CHAN_NO_IR;
if (tb_freq[NL80211_FREQUENCY_ATTR_RADAR])
chan->flag |= HOSTAPD_CHAN_RADAR;
if (tb_freq[NL80211_FREQUENCY_ATTR_INDOOR_ONLY])
chan->flag |= HOSTAPD_CHAN_INDOOR_ONLY;
if (tb_freq[NL80211_FREQUENCY_ATTR_GO_CONCURRENT])
chan->flag |= HOSTAPD_CHAN_GO_CONCURRENT;
if (tb_freq[NL80211_FREQUENCY_ATTR_NO_10MHZ])
chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_10;
if (tb_freq[NL80211_FREQUENCY_ATTR_NO_20MHZ])
chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_20;
if (tb_freq[NL80211_FREQUENCY_ATTR_NO_HT40_PLUS])
chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_40P;
if (tb_freq[NL80211_FREQUENCY_ATTR_NO_HT40_MINUS])
chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_40M;
if (tb_freq[NL80211_FREQUENCY_ATTR_NO_80MHZ])
chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_80;
if (tb_freq[NL80211_FREQUENCY_ATTR_NO_160MHZ])
chan->allowed_bw &= ~HOSTAPD_CHAN_WIDTH_160;
if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]) {
enum nl80211_dfs_state state =
nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]);
switch (state) {
case NL80211_DFS_USABLE:
chan->flag |= HOSTAPD_CHAN_DFS_USABLE;
break;
case NL80211_DFS_AVAILABLE:
chan->flag |= HOSTAPD_CHAN_DFS_AVAILABLE;
break;
case NL80211_DFS_UNAVAILABLE:
chan->flag |= HOSTAPD_CHAN_DFS_UNAVAILABLE;
break;
}
}
if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]) {
chan->dfs_cac_ms = nla_get_u32(
tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]);
}
chan->wmm_rules_valid = 0;
if (tb_freq[NL80211_FREQUENCY_ATTR_WMM]) {
static struct nla_policy wmm_policy[NL80211_WMMR_MAX + 1] = {
[NL80211_WMMR_CW_MIN] = { .type = NLA_U16 },
[NL80211_WMMR_CW_MAX] = { .type = NLA_U16 },
[NL80211_WMMR_AIFSN] = { .type = NLA_U8 },
[NL80211_WMMR_TXOP] = { .type = NLA_U16 },
};
static const u8 wmm_map[4] = {
[NL80211_AC_BE] = WMM_AC_BE,
[NL80211_AC_BK] = WMM_AC_BK,
[NL80211_AC_VI] = WMM_AC_VI,
[NL80211_AC_VO] = WMM_AC_VO,
};
struct nlattr *nl_wmm;
struct nlattr *tb_wmm[NL80211_WMMR_MAX + 1];
int rem_wmm, ac, count = 0;
nla_for_each_nested(nl_wmm, tb_freq[NL80211_FREQUENCY_ATTR_WMM],
rem_wmm) {
if (nla_parse_nested(tb_wmm, NL80211_WMMR_MAX, nl_wmm,
wmm_policy)) {
wpa_printf(MSG_DEBUG,
"nl80211: Failed to parse WMM rules attribute");
return;
}
if (!tb_wmm[NL80211_WMMR_CW_MIN] ||
!tb_wmm[NL80211_WMMR_CW_MAX] ||
!tb_wmm[NL80211_WMMR_AIFSN] ||
!tb_wmm[NL80211_WMMR_TXOP]) {
wpa_printf(MSG_DEBUG,
"nl80211: Channel is missing WMM rule attribute");
return;
}
ac = nl_wmm->nla_type;
if ((unsigned int) ac >= ARRAY_SIZE(wmm_map)) {
wpa_printf(MSG_DEBUG,
"nl80211: Invalid AC value %d", ac);
return;
}
ac = wmm_map[ac];
chan->wmm_rules[ac].min_cwmin =
cw2ecw(nla_get_u16(
tb_wmm[NL80211_WMMR_CW_MIN]));
chan->wmm_rules[ac].min_cwmax =
cw2ecw(nla_get_u16(
tb_wmm[NL80211_WMMR_CW_MAX]));
chan->wmm_rules[ac].min_aifs =
nla_get_u8(tb_wmm[NL80211_WMMR_AIFSN]);
chan->wmm_rules[ac].max_txop =
nla_get_u16(tb_wmm[NL80211_WMMR_TXOP]) / 32;
count++;
}
/* Set valid flag if all the AC rules are present */
if (count == WMM_AC_NUM)
chan->wmm_rules_valid = 1;
}
}
static int phy_info_freqs(struct phy_info_arg *phy_info,
struct hostapd_hw_modes *mode, struct nlattr *tb)
{
static struct nla_policy freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
[NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 },
[NL80211_FREQUENCY_ATTR_DISABLED] = { .type = NLA_FLAG },
[NL80211_FREQUENCY_ATTR_NO_IR] = { .type = NLA_FLAG },
[NL80211_FREQUENCY_ATTR_RADAR] = { .type = NLA_FLAG },
[NL80211_FREQUENCY_ATTR_MAX_TX_POWER] = { .type = NLA_U32 },
[NL80211_FREQUENCY_ATTR_DFS_STATE] = { .type = NLA_U32 },
[NL80211_FREQUENCY_ATTR_NO_10MHZ] = { .type = NLA_FLAG },
[NL80211_FREQUENCY_ATTR_NO_20MHZ] = { .type = NLA_FLAG },
[NL80211_FREQUENCY_ATTR_NO_HT40_PLUS] = { .type = NLA_FLAG },
[NL80211_FREQUENCY_ATTR_NO_HT40_MINUS] = { .type = NLA_FLAG },
[NL80211_FREQUENCY_ATTR_NO_80MHZ] = { .type = NLA_FLAG },
[NL80211_FREQUENCY_ATTR_NO_160MHZ] = { .type = NLA_FLAG },
};
int new_channels = 0;
struct hostapd_channel_data *channel;
struct nlattr *tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1];
struct nlattr *nl_freq;
int rem_freq, idx;
if (tb == NULL)
return NL_OK;
nla_for_each_nested(nl_freq, tb, rem_freq) {
nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX,
nla_data(nl_freq), nla_len(nl_freq), freq_policy);
if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
continue;
new_channels++;
}
channel = os_realloc_array(mode->channels,
mode->num_channels + new_channels,
sizeof(struct hostapd_channel_data));
if (!channel)
return NL_STOP;
mode->channels = channel;
mode->num_channels += new_channels;
idx = phy_info->last_chan_idx;
nla_for_each_nested(nl_freq, tb, rem_freq) {
nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX,
nla_data(nl_freq), nla_len(nl_freq), freq_policy);
if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
continue;
phy_info_freq(mode, &mode->channels[idx], tb_freq);
idx++;
}
phy_info->last_chan_idx = idx;
return NL_OK;
}
static int phy_info_rates(struct hostapd_hw_modes *mode, struct nlattr *tb)
{
static struct nla_policy rate_policy[NL80211_BITRATE_ATTR_MAX + 1] = {
[NL80211_BITRATE_ATTR_RATE] = { .type = NLA_U32 },
[NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE] =
{ .type = NLA_FLAG },
};
struct nlattr *tb_rate[NL80211_BITRATE_ATTR_MAX + 1];
struct nlattr *nl_rate;
int rem_rate, idx;
if (tb == NULL)
return NL_OK;
nla_for_each_nested(nl_rate, tb, rem_rate) {
nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX,
nla_data(nl_rate), nla_len(nl_rate),
rate_policy);
if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
continue;
mode->num_rates++;
}
mode->rates = os_calloc(mode->num_rates, sizeof(int));
if (!mode->rates)
return NL_STOP;
idx = 0;
nla_for_each_nested(nl_rate, tb, rem_rate) {
nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX,
nla_data(nl_rate), nla_len(nl_rate),
rate_policy);
if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
continue;
mode->rates[idx] = nla_get_u32(
tb_rate[NL80211_BITRATE_ATTR_RATE]);
idx++;
}
return NL_OK;
}
static void phy_info_iftype_copy(struct he_capabilities *he_capab,
enum ieee80211_op_mode opmode,
struct nlattr **tb, struct nlattr **tb_flags)
{
enum nl80211_iftype iftype;
size_t len;
switch (opmode) {
case IEEE80211_MODE_INFRA:
iftype = NL80211_IFTYPE_STATION;
break;
case IEEE80211_MODE_IBSS:
iftype = NL80211_IFTYPE_ADHOC;
break;
case IEEE80211_MODE_AP:
iftype = NL80211_IFTYPE_AP;
break;
case IEEE80211_MODE_MESH:
iftype = NL80211_IFTYPE_MESH_POINT;
break;
default:
return;
}
if (!nla_get_flag(tb_flags[iftype]))
return;
he_capab->he_supported = 1;
if (tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY]) {
len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY]);
if (len > sizeof(he_capab->phy_cap))
len = sizeof(he_capab->phy_cap);
os_memcpy(he_capab->phy_cap,
nla_data(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY]),
len);
}
if (tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC]) {
len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC]);
if (len > sizeof(he_capab->mac_cap))
len = sizeof(he_capab->mac_cap);
os_memcpy(he_capab->mac_cap,
nla_data(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC]),
len);
}
if (tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET]) {
len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET]);
if (len > sizeof(he_capab->mcs))
len = sizeof(he_capab->mcs);
os_memcpy(he_capab->mcs,
nla_data(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET]),
len);
}
if (tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE]) {
len = nla_len(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE]);
if (len > sizeof(he_capab->ppet))
len = sizeof(he_capab->ppet);
os_memcpy(&he_capab->ppet,
nla_data(tb[NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE]),
len);
}
if (tb[NL80211_BAND_IFTYPE_ATTR_HE_6GHZ_CAPA]) {
u16 capa;
capa = nla_get_u16(tb[NL80211_BAND_IFTYPE_ATTR_HE_6GHZ_CAPA]);
he_capab->he_6ghz_capa = le_to_host16(capa);
}
}
static int phy_info_iftype(struct hostapd_hw_modes *mode,
struct nlattr *nl_iftype)
{
struct nlattr *tb[NL80211_BAND_IFTYPE_ATTR_MAX + 1];
struct nlattr *tb_flags[NL80211_IFTYPE_MAX + 1];
unsigned int i;
nla_parse(tb, NL80211_BAND_IFTYPE_ATTR_MAX,
nla_data(nl_iftype), nla_len(nl_iftype), NULL);
if (!tb[NL80211_BAND_IFTYPE_ATTR_IFTYPES])
return NL_STOP;
if (nla_parse_nested(tb_flags, NL80211_IFTYPE_MAX,
tb[NL80211_BAND_IFTYPE_ATTR_IFTYPES], NULL))
return NL_STOP;
for (i = 0; i < IEEE80211_MODE_NUM; i++)
phy_info_iftype_copy(&mode->he_capab[i], i, tb, tb_flags);
return NL_OK;
}
static int phy_info_band(struct phy_info_arg *phy_info, struct nlattr *nl_band)
{
struct nlattr *tb_band[NL80211_BAND_ATTR_MAX + 1];
struct hostapd_hw_modes *mode;
int ret;
if (phy_info->last_mode != nl_band->nla_type) {
mode = os_realloc_array(phy_info->modes,
*phy_info->num_modes + 1,
sizeof(*mode));
if (!mode) {
phy_info->failed = 1;
return NL_STOP;
}
phy_info->modes = mode;
mode = &phy_info->modes[*(phy_info->num_modes)];
os_memset(mode, 0, sizeof(*mode));
mode->mode = NUM_HOSTAPD_MODES;
mode->flags = HOSTAPD_MODE_FLAG_HT_INFO_KNOWN |
HOSTAPD_MODE_FLAG_VHT_INFO_KNOWN;
/*
* Unsupported VHT MCS stream is defined as value 3, so the VHT
* MCS RX/TX map must be initialized with 0xffff to mark all 8
* possible streams as unsupported. This will be overridden if
* driver advertises VHT support.
*/
mode->vht_mcs_set[0] = 0xff;
mode->vht_mcs_set[1] = 0xff;
mode->vht_mcs_set[4] = 0xff;
mode->vht_mcs_set[5] = 0xff;
*(phy_info->num_modes) += 1;
phy_info->last_mode = nl_band->nla_type;
phy_info->last_chan_idx = 0;
} else
mode = &phy_info->modes[*(phy_info->num_modes) - 1];
nla_parse(tb_band, NL80211_BAND_ATTR_MAX, nla_data(nl_band),
nla_len(nl_band), NULL);
phy_info_ht_capa(mode, tb_band[NL80211_BAND_ATTR_HT_CAPA],
tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR],
tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY],
tb_band[NL80211_BAND_ATTR_HT_MCS_SET]);
phy_info_vht_capa(mode, tb_band[NL80211_BAND_ATTR_VHT_CAPA],
tb_band[NL80211_BAND_ATTR_VHT_MCS_SET]);
ret = phy_info_edmg_capa(mode,
tb_band[NL80211_BAND_ATTR_EDMG_BW_CONFIG],
tb_band[NL80211_BAND_ATTR_EDMG_CHANNELS]);
if (ret == NL_OK)
ret = phy_info_freqs(phy_info, mode,
tb_band[NL80211_BAND_ATTR_FREQS]);
if (ret == NL_OK)
ret = phy_info_rates(mode, tb_band[NL80211_BAND_ATTR_RATES]);
if (ret != NL_OK) {
phy_info->failed = 1;
return ret;
}
if (tb_band[NL80211_BAND_ATTR_IFTYPE_DATA]) {
struct nlattr *nl_iftype;
int rem_band;
nla_for_each_nested(nl_iftype,
tb_band[NL80211_BAND_ATTR_IFTYPE_DATA],
rem_band) {
ret = phy_info_iftype(mode, nl_iftype);
if (ret != NL_OK)
return ret;
}
}
return NL_OK;
}
static int phy_info_handler(struct nl_msg *msg, void *arg)
{
struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
struct phy_info_arg *phy_info = arg;
struct nlattr *nl_band;
int rem_band;
nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
genlmsg_attrlen(gnlh, 0), NULL);
if (!tb_msg[NL80211_ATTR_WIPHY_BANDS])
return NL_SKIP;
nla_for_each_nested(nl_band, tb_msg[NL80211_ATTR_WIPHY_BANDS], rem_band)
{
int res = phy_info_band(phy_info, nl_band);
if (res != NL_OK)
return res;
}
return NL_SKIP;
}
static struct hostapd_hw_modes *
wpa_driver_nl80211_postprocess_modes(struct hostapd_hw_modes *modes,
u16 *num_modes)
{
u16 m;
struct hostapd_hw_modes *mode11g = NULL, *nmodes, *mode;
int i, mode11g_idx = -1;
/* heuristic to set up modes */
for (m = 0; m < *num_modes; m++) {
if (!modes[m].num_channels)
continue;
if (modes[m].channels[0].freq < 2000) {
modes[m].num_channels = 0;
continue;
} else if (modes[m].channels[0].freq < 4000) {
modes[m].mode = HOSTAPD_MODE_IEEE80211B;
for (i = 0; i < modes[m].num_rates; i++) {
if (modes[m].rates[i] > 200) {
modes[m].mode = HOSTAPD_MODE_IEEE80211G;
break;
}
}
} else if (modes[m].channels[0].freq > 50000)
modes[m].mode = HOSTAPD_MODE_IEEE80211AD;
else
modes[m].mode = HOSTAPD_MODE_IEEE80211A;
}
/* Remove unsupported bands */
m = 0;
while (m < *num_modes) {
if (modes[m].mode == NUM_HOSTAPD_MODES) {
wpa_printf(MSG_DEBUG,
"nl80211: Remove unsupported mode");
os_free(modes[m].channels);
os_free(modes[m].rates);
if (m + 1 < *num_modes)
os_memmove(&modes[m], &modes[m + 1],
sizeof(struct hostapd_hw_modes) *
(*num_modes - (m + 1)));
(*num_modes)--;
continue;
}
m++;
}
/* If only 802.11g mode is included, use it to construct matching
* 802.11b mode data. */
for (m = 0; m < *num_modes; m++) {
if (modes[m].mode == HOSTAPD_MODE_IEEE80211B)
return modes; /* 802.11b already included */
if (modes[m].mode == HOSTAPD_MODE_IEEE80211G)
mode11g_idx = m;
}
if (mode11g_idx < 0)
return modes; /* 2.4 GHz band not supported at all */
nmodes = os_realloc_array(modes, *num_modes + 1, sizeof(*nmodes));
if (nmodes == NULL)
return modes; /* Could not add 802.11b mode */
mode = &nmodes[*num_modes];
os_memset(mode, 0, sizeof(*mode));
(*num_modes)++;
modes = nmodes;
mode->mode = HOSTAPD_MODE_IEEE80211B;
mode11g = &modes[mode11g_idx];
mode->num_channels = mode11g->num_channels;
mode->channels = os_memdup(mode11g->channels,
mode11g->num_channels *
sizeof(struct hostapd_channel_data));
if (mode->channels == NULL) {
(*num_modes)--;
return modes; /* Could not add 802.11b mode */
}
mode->num_rates = 0;
mode->rates = os_malloc(4 * sizeof(int));
if (mode->rates == NULL) {
os_free(mode->channels);
(*num_modes)--;
return modes; /* Could not add 802.11b mode */
}
for (i = 0; i < mode11g->num_rates; i++) {
if (mode11g->rates[i] != 10 && mode11g->rates[i] != 20 &&
mode11g->rates[i] != 55 && mode11g->rates[i] != 110)
continue;
mode->rates[mode->num_rates] = mode11g->rates[i];
mode->num_rates++;
if (mode->num_rates == 4)
break;
}
if (mode->num_rates == 0) {
os_free(mode->channels);
os_free(mode->rates);
(*num_modes)--;
return modes; /* No 802.11b rates */
}
wpa_printf(MSG_DEBUG, "nl80211: Added 802.11b mode based on 802.11g "
"information");
return modes;
}
static void nl80211_set_ht40_mode(struct hostapd_hw_modes *mode, int start,
int end)
{
int c;
for (c = 0; c < mode->num_channels; c++) {
struct hostapd_channel_data *chan = &mode->channels[c];
if (chan->freq - 10 >= start && chan->freq + 10 <= end)
chan->flag |= HOSTAPD_CHAN_HT40;
}
}
static void nl80211_set_ht40_mode_sec(struct hostapd_hw_modes *mode, int start,
int end)
{
int c;
for (c = 0; c < mode->num_channels; c++) {
struct hostapd_channel_data *chan = &mode->channels[c];
if (!(chan->flag & HOSTAPD_CHAN_HT40))
continue;
if (chan->freq - 30 >= start && chan->freq - 10 <= end)
chan->flag |= HOSTAPD_CHAN_HT40MINUS;
if (chan->freq + 10 >= start && chan->freq + 30 <= end)
chan->flag |= HOSTAPD_CHAN_HT40PLUS;
}
}
static void nl80211_reg_rule_max_eirp(u32 start, u32 end, u32 max_eirp,
struct phy_info_arg *results)
{
u16 m;
for (m = 0; m < *results->num_modes; m++) {
int c;
struct hostapd_hw_modes *mode = &results->modes[m];
for (c = 0; c < mode->num_channels; c++) {
struct hostapd_channel_data *chan = &mode->channels[c];
if ((u32) chan->freq - 10 >= start &&
(u32) chan->freq + 10 <= end)
chan->max_tx_power = max_eirp;
}
}
}
static void nl80211_reg_rule_ht40(u32 start, u32 end,
struct phy_info_arg *results)
{
u16 m;
for (m = 0; m < *results->num_modes; m++) {
if (!(results->modes[m].ht_capab &
HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
continue;
nl80211_set_ht40_mode(&results->modes[m], start, end);
}
}
static void nl80211_reg_rule_sec(struct nlattr *tb[],
struct phy_info_arg *results)
{
u32 start, end, max_bw;
u16 m;
if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
tb[NL80211_ATTR_FREQ_RANGE_END] == NULL ||
tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL)
return;
start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
if (max_bw < 20)
return;
for (m = 0; m < *results->num_modes; m++) {
if (!(results->modes[m].ht_capab &
HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
continue;
nl80211_set_ht40_mode_sec(&results->modes[m], start, end);
}
}
static void nl80211_set_vht_mode(struct hostapd_hw_modes *mode, int start,
int end, int max_bw)
{
int c;
for (c = 0; c < mode->num_channels; c++) {
struct hostapd_channel_data *chan = &mode->channels[c];
if (chan->freq - 10 >= start && chan->freq + 70 <= end)
chan->flag |= HOSTAPD_CHAN_VHT_10_70;
if (chan->freq - 30 >= start && chan->freq + 50 <= end)
chan->flag |= HOSTAPD_CHAN_VHT_30_50;
if (chan->freq - 50 >= start && chan->freq + 30 <= end)
chan->flag |= HOSTAPD_CHAN_VHT_50_30;
if (chan->freq - 70 >= start && chan->freq + 10 <= end)
chan->flag |= HOSTAPD_CHAN_VHT_70_10;
if (max_bw >= 160) {
if (chan->freq - 10 >= start && chan->freq + 150 <= end)
chan->flag |= HOSTAPD_CHAN_VHT_10_150;
if (chan->freq - 30 >= start && chan->freq + 130 <= end)
chan->flag |= HOSTAPD_CHAN_VHT_30_130;
if (chan->freq - 50 >= start && chan->freq + 110 <= end)
chan->flag |= HOSTAPD_CHAN_VHT_50_110;
if (chan->freq - 70 >= start && chan->freq + 90 <= end)
chan->flag |= HOSTAPD_CHAN_VHT_70_90;
if (chan->freq - 90 >= start && chan->freq + 70 <= end)
chan->flag |= HOSTAPD_CHAN_VHT_90_70;
if (chan->freq - 110 >= start && chan->freq + 50 <= end)
chan->flag |= HOSTAPD_CHAN_VHT_110_50;
if (chan->freq - 130 >= start && chan->freq + 30 <= end)
chan->flag |= HOSTAPD_CHAN_VHT_130_30;
if (chan->freq - 150 >= start && chan->freq + 10 <= end)
chan->flag |= HOSTAPD_CHAN_VHT_150_10;
}
}
}
static void nl80211_reg_rule_vht(struct nlattr *tb[],
struct phy_info_arg *results)
{
u32 start, end, max_bw;
u16 m;
if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
tb[NL80211_ATTR_FREQ_RANGE_END] == NULL ||
tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL)
return;
start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
if (max_bw < 80)
return;
for (m = 0; m < *results->num_modes; m++) {
if (!(results->modes[m].ht_capab &
HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
continue;
/* TODO: use a real VHT support indication */
if (!results->modes[m].vht_capab)
continue;
nl80211_set_vht_mode(&results->modes[m], start, end, max_bw);
}
}
static void nl80211_set_dfs_domain(enum nl80211_dfs_regions region,
u8 *dfs_domain)
{
if (region == NL80211_DFS_FCC)
*dfs_domain = HOSTAPD_DFS_REGION_FCC;
else if (region == NL80211_DFS_ETSI)
*dfs_domain = HOSTAPD_DFS_REGION_ETSI;
else if (region == NL80211_DFS_JP)
*dfs_domain = HOSTAPD_DFS_REGION_JP;
else
*dfs_domain = 0;
}
static const char * dfs_domain_name(enum nl80211_dfs_regions region)
{
switch (region) {
case NL80211_DFS_UNSET:
return "DFS-UNSET";
case NL80211_DFS_FCC:
return "DFS-FCC";
case NL80211_DFS_ETSI:
return "DFS-ETSI";
case NL80211_DFS_JP:
return "DFS-JP";
default:
return "DFS-invalid";
}
}
static int nl80211_get_reg(struct nl_msg *msg, void *arg)
{
struct phy_info_arg *results = arg;
struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
struct nlattr *nl_rule;
struct nlattr *tb_rule[NL80211_FREQUENCY_ATTR_MAX + 1];
int rem_rule;
static struct nla_policy reg_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
[NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
[NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
[NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
[NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
[NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
};
nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
genlmsg_attrlen(gnlh, 0), NULL);
if (!tb_msg[NL80211_ATTR_REG_ALPHA2] ||
!tb_msg[NL80211_ATTR_REG_RULES]) {
wpa_printf(MSG_DEBUG, "nl80211: No regulatory information "
"available");
return NL_SKIP;
}
if (tb_msg[NL80211_ATTR_DFS_REGION]) {
enum nl80211_dfs_regions dfs_domain;
dfs_domain = nla_get_u8(tb_msg[NL80211_ATTR_DFS_REGION]);
nl80211_set_dfs_domain(dfs_domain, &results->dfs_domain);
wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s (%s)",
(char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]),
dfs_domain_name(dfs_domain));
} else {
wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s",
(char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]));
}
nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
{
u32 start, end, max_eirp = 0, max_bw = 0, flags = 0;
nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
nla_data(nl_rule), nla_len(nl_rule), reg_policy);
if (tb_rule[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
tb_rule[NL80211_ATTR_FREQ_RANGE_END] == NULL)
continue;
start = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
end = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
if (tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP])
max_eirp = nla_get_u32(tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP]) / 100;
if (tb_rule[NL80211_ATTR_FREQ_RANGE_MAX_BW])
max_bw = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
if (tb_rule[NL80211_ATTR_REG_RULE_FLAGS])
flags = nla_get_u32(tb_rule[NL80211_ATTR_REG_RULE_FLAGS]);
wpa_printf(MSG_DEBUG, "nl80211: %u-%u @ %u MHz %u mBm%s%s%s%s%s%s%s%s",
start, end, max_bw, max_eirp,
flags & NL80211_RRF_NO_OFDM ? " (no OFDM)" : "",
flags & NL80211_RRF_NO_CCK ? " (no CCK)" : "",
flags & NL80211_RRF_NO_INDOOR ? " (no indoor)" : "",
flags & NL80211_RRF_NO_OUTDOOR ? " (no outdoor)" :
"",
flags & NL80211_RRF_DFS ? " (DFS)" : "",
flags & NL80211_RRF_PTP_ONLY ? " (PTP only)" : "",
flags & NL80211_RRF_PTMP_ONLY ? " (PTMP only)" : "",
flags & NL80211_RRF_NO_IR ? " (no IR)" : "");
if (max_bw >= 40)
nl80211_reg_rule_ht40(start, end, results);
if (tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP])
nl80211_reg_rule_max_eirp(start, end, max_eirp,
results);
}
nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
{
nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
nla_data(nl_rule), nla_len(nl_rule), reg_policy);
nl80211_reg_rule_sec(tb_rule, results);
}
nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
{
nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
nla_data(nl_rule), nla_len(nl_rule), reg_policy);
nl80211_reg_rule_vht(tb_rule, results);
}
return NL_SKIP;
}
static int nl80211_set_regulatory_flags(struct wpa_driver_nl80211_data *drv,
struct phy_info_arg *results)
{
struct nl_msg *msg;
msg = nlmsg_alloc();
if (!msg)
return -ENOMEM;
nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG);
if (drv->capa.flags & WPA_DRIVER_FLAGS_SELF_MANAGED_REGULATORY) {
if (nla_put_u32(msg, NL80211_ATTR_WIPHY, drv->wiphy_idx)) {
nlmsg_free(msg);
return -1;
}
}
return send_and_recv_msgs(drv, msg, nl80211_get_reg, results,
NULL, NULL);
}
static const char * modestr(enum hostapd_hw_mode mode)
{
switch (mode) {
case HOSTAPD_MODE_IEEE80211B:
return "802.11b";
case HOSTAPD_MODE_IEEE80211G:
return "802.11g";
case HOSTAPD_MODE_IEEE80211A:
return "802.11a";
case HOSTAPD_MODE_IEEE80211AD:
return "802.11ad";
default:
return "?";
}
}
static void nl80211_dump_chan_list(struct hostapd_hw_modes *modes,
u16 num_modes)
{
int i;
if (!modes)
return;
for (i = 0; i < num_modes; i++) {
struct hostapd_hw_modes *mode = &modes[i];
char str[200];
char *pos = str;
char *end = pos + sizeof(str);
int j, res;
for (j = 0; j < mode->num_channels; j++) {
struct hostapd_channel_data *chan = &mode->channels[j];
res = os_snprintf(pos, end - pos, " %d%s%s%s",
chan->freq,
(chan->flag & HOSTAPD_CHAN_DISABLED) ?
"[DISABLED]" : "",
(chan->flag & HOSTAPD_CHAN_NO_IR) ?
"[NO_IR]" : "",
(chan->flag & HOSTAPD_CHAN_RADAR) ?
"[RADAR]" : "");
if (os_snprintf_error(end - pos, res))
break;
pos += res;
}
*pos = '\0';
wpa_printf(MSG_DEBUG, "nl80211: Mode IEEE %s:%s",
modestr(mode->mode), str);
}
}
struct hostapd_hw_modes *
nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags,
u8 *dfs_domain)
{
u32 feat;
struct i802_bss *bss = priv;
struct wpa_driver_nl80211_data *drv = bss->drv;
int nl_flags = 0;
struct nl_msg *msg;
struct phy_info_arg result = {
.num_modes = num_modes,
.modes = NULL,
.last_mode = -1,
.failed = 0,
.dfs_domain = 0,
};
*num_modes = 0;
*flags = 0;
*dfs_domain = 0;
feat = get_nl80211_protocol_features(drv);
if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)
nl_flags = NLM_F_DUMP;
if (!(msg = nl80211_cmd_msg(bss, nl_flags, NL80211_CMD_GET_WIPHY)) ||
nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP)) {
nlmsg_free(msg);
return NULL;
}
if (send_and_recv_msgs(drv, msg, phy_info_handler, &result,
NULL, NULL) == 0) {
struct hostapd_hw_modes *modes;
nl80211_set_regulatory_flags(drv, &result);
if (result.failed) {
int i;
for (i = 0; result.modes && i < *num_modes; i++) {
os_free(result.modes[i].channels);
os_free(result.modes[i].rates);
}
os_free(result.modes);
*num_modes = 0;
return NULL;
}
*dfs_domain = result.dfs_domain;
modes = wpa_driver_nl80211_postprocess_modes(result.modes,
num_modes);
nl80211_dump_chan_list(modes, *num_modes);
return modes;
}
return NULL;
}
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