This moves significant amount of code away from large driver_nl80211.c.
Signed-off-by: Jouni Malinen <j@w1.fi>
}
-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)
- goto nla_put_failure;
-
- nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_PROTOCOL_FEATURES);
- if (send_and_recv_msgs(drv, msg, protocol_feature_handler, &feat) == 0)
- return feat;
-
- msg = NULL;
-nla_put_failure:
- nlmsg_free(msg);
- 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 monitor_supported: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_concurrent:1;
- unsigned int channel_switch_supported:1;
- unsigned int set_qos_map_supported:1;
- unsigned int have_low_prio_scan: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;
- case NL80211_IFTYPE_MONITOR:
- info->monitor_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;
- }
- }
-}
-
-
-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 WLAN_CIPHER_SUITE_CCMP_256:
- info->capa->enc |= WPA_DRIVER_CAPA_ENC_CCMP_256;
- break;
- case WLAN_CIPHER_SUITE_GCMP_256:
- info->capa->enc |= WPA_DRIVER_CAPA_ENC_GCMP_256;
- break;
- case WLAN_CIPHER_SUITE_CCMP:
- info->capa->enc |= WPA_DRIVER_CAPA_ENC_CCMP;
- break;
- case WLAN_CIPHER_SUITE_GCMP:
- info->capa->enc |= WPA_DRIVER_CAPA_ENC_GCMP;
- break;
- case WLAN_CIPHER_SUITE_TKIP:
- info->capa->enc |= WPA_DRIVER_CAPA_ENC_TKIP;
- break;
- case WLAN_CIPHER_SUITE_WEP104:
- info->capa->enc |= WPA_DRIVER_CAPA_ENC_WEP104;
- break;
- case WLAN_CIPHER_SUITE_WEP40:
- info->capa->enc |= WPA_DRIVER_CAPA_ENC_WEP40;
- break;
- case WLAN_CIPHER_SUITE_AES_CMAC:
- info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP;
- break;
- case WLAN_CIPHER_SUITE_BIP_GMAC_128:
- info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_GMAC_128;
- break;
- case WLAN_CIPHER_SUITE_BIP_GMAC_256:
- info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_GMAC_256;
- break;
- case WLAN_CIPHER_SUITE_BIP_CMAC_256:
- info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_CMAC_256;
- break;
- case WLAN_CIPHER_SUITE_NO_GROUP_ADDR:
- 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 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_LOW_PRIORITY_SCAN)
- info->have_low_prio_scan = 1;
-
- if (flags & NL80211_FEATURE_STATIC_SMPS)
- capa->smps_modes |= WPA_DRIVER_SMPS_MODE_STATIC;
-
- if (flags & NL80211_FEATURE_DYNAMIC_SMPS)
- capa->smps_modes |= WPA_DRIVER_SMPS_MODE_DYNAMIC;
-}
-
-
-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 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_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_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]);
-
- 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_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]);
- }
- drv->extended_capa_mask =
- os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA]));
- if (drv->extended_capa_mask) {
- os_memcpy(drv->extended_capa_mask,
- nla_data(tb[NL80211_ATTR_EXT_CAPA]),
- nla_len(tb[NL80211_ATTR_EXT_CAPA]));
- } else {
- os_free(drv->extended_capa);
- drv->extended_capa = NULL;
- drv->extended_capa_len = 0;
- }
- }
-
- 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);
- switch (vinfo->subcmd) {
- 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_KEY_MGMT_SET_KEY:
- drv->key_mgmt_set_key_vendor_cmd_avail = 1;
- break;
- }
-
- 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);
- if (vinfo->subcmd ==
- QCA_NL80211_VENDOR_SUBCMD_KEY_MGMT_ROAM_AUTH)
- drv->roam_auth_vendor_event_avail = 1;
- 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]);
-
- 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;
-
- os_memset(info, 0, sizeof(*info));
- info->capa = &drv->capa;
- info->drv = drv;
-
- msg = nlmsg_alloc();
- if (!msg)
- return -1;
-
- feat = get_nl80211_protocol_features(drv);
- if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)
- nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_WIPHY);
- else
- nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_WIPHY);
-
- NLA_PUT_FLAG(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP);
- if (nl80211_set_iface_id(msg, drv->first_bss) < 0)
- goto nla_put_failure;
-
- if (send_and_recv_msgs(drv, msg, wiphy_info_handler, info))
- 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;
-
- if (info->channel_switch_supported)
- drv->capa.flags |= WPA_DRIVER_FLAGS_AP_CSA;
-
- return 0;
-nla_put_failure:
- nlmsg_free(msg);
- return -1;
-}
-
-
-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;
-
-
- msg = nlmsg_alloc();
- if (!msg)
- return;
-
- nl80211_cmd(drv, msg, 0, NL80211_CMD_VENDOR);
-
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
- NLA_PUT_U32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA);
- NLA_PUT_U32(msg, NL80211_ATTR_VENDOR_SUBCMD,
- QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY);
-
- ret = send_and_recv_msgs(drv, msg, dfs_info_handler, &dfs_capability);
- if (!ret && dfs_capability)
- drv->capa.flags |= WPA_DRIVER_FLAGS_DFS_OFFLOAD;
- msg = NULL;
-
- nla_put_failure:
- nlmsg_free(msg);
-}
-
-
-static int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv)
-{
- struct wiphy_info_data info;
- if (wpa_driver_nl80211_get_info(drv, &info))
- return -1;
-
- if (info.error)
- return -1;
-
- drv->has_capability = 1;
- 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;
- 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;
- 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.poll_command_supported || !info.data_tx_status;
-
- if (drv->device_ap_sme && drv->use_monitor) {
- /*
- * Non-mac80211 drivers may not support monitor interface.
- * Make sure we do not get stuck with incorrect capability here
- * by explicitly testing this.
- */
- if (!info.monitor_supported) {
- wpa_printf(MSG_DEBUG, "nl80211: Disable use_monitor "
- "with device_ap_sme since no monitor mode "
- "support detected");
- drv->use_monitor = 0;
- }
- }
-
- /*
- * 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;
-
- qca_nl80211_check_dfs_capa(drv);
-
- return 0;
-}
-
-
static int wpa_driver_nl80211_init_nl_global(struct nl80211_global *global)
{
int ret;
}
-struct phy_info_arg {
- u16 *num_modes;
- struct hostapd_hw_modes *modes;
- int last_mode, last_chan_idx;
-};
-
-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 void phy_info_freq(struct hostapd_hw_modes *mode,
- struct hostapd_channel_data *chan,
- struct nlattr *tb_freq[])
-{
- u8 channel;
- chan->freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]);
- chan->flag = 0;
- chan->dfs_cac_ms = 0;
- if (ieee80211_freq_to_chan(chan->freq, &channel) != NUM_HOSTAPD_MODES)
- chan->chan = channel;
-
- 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_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]);
- }
-}
-
-
-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 },
- };
- 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_SKIP;
-
- 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_SKIP;
-
- 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 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)
- return NL_SKIP;
- 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_freqs(phy_info, mode, tb_band[NL80211_BAND_ATTR_FREQS]);
- if (ret != NL_OK)
- return ret;
- ret = phy_info_rates(mode, tb_band[NL80211_BAND_ATTR_RATES]);
- 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 < 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;
- }
-
- /* 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_malloc(mode11g->num_channels *
- sizeof(struct hostapd_channel_data));
- if (mode->channels == NULL) {
- (*num_modes)--;
- return modes; /* Could not add 802.11b mode */
- }
- os_memcpy(mode->channels, mode11g->channels,
- mode11g->num_channels * sizeof(struct hostapd_channel_data));
-
- 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 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;
- }
-}
-
-
-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);
- }
-}
-
-
-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]);
- 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);
- return send_and_recv_msgs(drv, msg, nl80211_get_reg, results);
-}
-
-
-static struct hostapd_hw_modes *
-wpa_driver_nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags)
-{
- u32 feat;
- struct i802_bss *bss = priv;
- struct wpa_driver_nl80211_data *drv = bss->drv;
- struct nl_msg *msg;
- struct phy_info_arg result = {
- .num_modes = num_modes,
- .modes = NULL,
- .last_mode = -1,
- };
-
- *num_modes = 0;
- *flags = 0;
-
- msg = nlmsg_alloc();
- if (!msg)
- return NULL;
-
- feat = get_nl80211_protocol_features(drv);
- if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)
- nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_WIPHY);
- else
- nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_WIPHY);
-
- NLA_PUT_FLAG(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP);
- if (nl80211_set_iface_id(msg, bss) < 0)
- goto nla_put_failure;
-
- if (send_and_recv_msgs(drv, msg, phy_info_handler, &result) == 0) {
- nl80211_set_regulatory_flags(drv, &result);
- return wpa_driver_nl80211_postprocess_modes(result.modes,
- num_modes);
- }
- msg = NULL;
- nla_put_failure:
- nlmsg_free(msg);
- return NULL;
-}
-
-
static int wpa_driver_nl80211_send_frame(struct i802_bss *bss,
const void *data, size_t len,
int encrypt, int noack,
.if_add = wpa_driver_nl80211_if_add,
.if_remove = driver_nl80211_if_remove,
.send_mlme = driver_nl80211_send_mlme,
- .get_hw_feature_data = wpa_driver_nl80211_get_hw_feature_data,
+ .get_hw_feature_data = nl80211_get_hw_feature_data,
.sta_add = wpa_driver_nl80211_sta_add,
.sta_remove = driver_nl80211_sta_remove,
.hapd_send_eapol = wpa_driver_nl80211_hapd_send_eapol,
const void *data, size_t len,
int encrypt, int noack);
+int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv);
+struct hostapd_hw_modes *
+nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags);
+
#ifdef ANDROID
int android_nl_socket_set_nonblocking(struct nl_handle *handle);
int android_genl_ctrl_resolve(struct nl_handle *handle, const char *name);
--- /dev/null
+/*
+ * Driver interaction with Linux nl80211/cfg80211 - Capabilities
+ * Copyright (c) 2002-2014, 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_defs.h"
+#include "common/ieee802_11_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)
+ goto nla_put_failure;
+
+ nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_PROTOCOL_FEATURES);
+ if (send_and_recv_msgs(drv, msg, protocol_feature_handler, &feat) == 0)
+ return feat;
+
+ msg = NULL;
+nla_put_failure:
+ nlmsg_free(msg);
+ 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 monitor_supported: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_concurrent:1;
+ unsigned int channel_switch_supported:1;
+ unsigned int set_qos_map_supported:1;
+ unsigned int have_low_prio_scan: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;
+ case NL80211_IFTYPE_MONITOR:
+ info->monitor_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;
+ }
+ }
+}
+
+
+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 WLAN_CIPHER_SUITE_CCMP_256:
+ info->capa->enc |= WPA_DRIVER_CAPA_ENC_CCMP_256;
+ break;
+ case WLAN_CIPHER_SUITE_GCMP_256:
+ info->capa->enc |= WPA_DRIVER_CAPA_ENC_GCMP_256;
+ break;
+ case WLAN_CIPHER_SUITE_CCMP:
+ info->capa->enc |= WPA_DRIVER_CAPA_ENC_CCMP;
+ break;
+ case WLAN_CIPHER_SUITE_GCMP:
+ info->capa->enc |= WPA_DRIVER_CAPA_ENC_GCMP;
+ break;
+ case WLAN_CIPHER_SUITE_TKIP:
+ info->capa->enc |= WPA_DRIVER_CAPA_ENC_TKIP;
+ break;
+ case WLAN_CIPHER_SUITE_WEP104:
+ info->capa->enc |= WPA_DRIVER_CAPA_ENC_WEP104;
+ break;
+ case WLAN_CIPHER_SUITE_WEP40:
+ info->capa->enc |= WPA_DRIVER_CAPA_ENC_WEP40;
+ break;
+ case WLAN_CIPHER_SUITE_AES_CMAC:
+ info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP;
+ break;
+ case WLAN_CIPHER_SUITE_BIP_GMAC_128:
+ info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_GMAC_128;
+ break;
+ case WLAN_CIPHER_SUITE_BIP_GMAC_256:
+ info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_GMAC_256;
+ break;
+ case WLAN_CIPHER_SUITE_BIP_CMAC_256:
+ info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_CMAC_256;
+ break;
+ case WLAN_CIPHER_SUITE_NO_GROUP_ADDR:
+ 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 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_LOW_PRIORITY_SCAN)
+ info->have_low_prio_scan = 1;
+
+ if (flags & NL80211_FEATURE_STATIC_SMPS)
+ capa->smps_modes |= WPA_DRIVER_SMPS_MODE_STATIC;
+
+ if (flags & NL80211_FEATURE_DYNAMIC_SMPS)
+ capa->smps_modes |= WPA_DRIVER_SMPS_MODE_DYNAMIC;
+}
+
+
+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 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_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_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]);
+
+ 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_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]);
+ }
+ drv->extended_capa_mask =
+ os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA]));
+ if (drv->extended_capa_mask) {
+ os_memcpy(drv->extended_capa_mask,
+ nla_data(tb[NL80211_ATTR_EXT_CAPA]),
+ nla_len(tb[NL80211_ATTR_EXT_CAPA]));
+ } else {
+ os_free(drv->extended_capa);
+ drv->extended_capa = NULL;
+ drv->extended_capa_len = 0;
+ }
+ }
+
+ 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);
+ switch (vinfo->subcmd) {
+ 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_KEY_MGMT_SET_KEY:
+ drv->key_mgmt_set_key_vendor_cmd_avail = 1;
+ break;
+ }
+
+ 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);
+ if (vinfo->subcmd ==
+ QCA_NL80211_VENDOR_SUBCMD_KEY_MGMT_ROAM_AUTH)
+ drv->roam_auth_vendor_event_avail = 1;
+ 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]);
+
+ 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;
+
+ os_memset(info, 0, sizeof(*info));
+ info->capa = &drv->capa;
+ info->drv = drv;
+
+ msg = nlmsg_alloc();
+ if (!msg)
+ return -1;
+
+ feat = get_nl80211_protocol_features(drv);
+ if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)
+ nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_WIPHY);
+ else
+ nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_WIPHY);
+
+ NLA_PUT_FLAG(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP);
+ if (nl80211_set_iface_id(msg, drv->first_bss) < 0)
+ goto nla_put_failure;
+
+ if (send_and_recv_msgs(drv, msg, wiphy_info_handler, info))
+ 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;
+
+ if (info->channel_switch_supported)
+ drv->capa.flags |= WPA_DRIVER_FLAGS_AP_CSA;
+
+ return 0;
+nla_put_failure:
+ nlmsg_free(msg);
+ return -1;
+}
+
+
+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;
+
+
+ msg = nlmsg_alloc();
+ if (!msg)
+ return;
+
+ nl80211_cmd(drv, msg, 0, NL80211_CMD_VENDOR);
+
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
+ NLA_PUT_U32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA);
+ NLA_PUT_U32(msg, NL80211_ATTR_VENDOR_SUBCMD,
+ QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY);
+
+ ret = send_and_recv_msgs(drv, msg, dfs_info_handler, &dfs_capability);
+ if (!ret && dfs_capability)
+ drv->capa.flags |= WPA_DRIVER_FLAGS_DFS_OFFLOAD;
+ msg = NULL;
+
+ nla_put_failure:
+ nlmsg_free(msg);
+}
+
+
+int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv)
+{
+ struct wiphy_info_data info;
+ if (wpa_driver_nl80211_get_info(drv, &info))
+ return -1;
+
+ if (info.error)
+ return -1;
+
+ drv->has_capability = 1;
+ 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;
+ 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;
+ 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.poll_command_supported || !info.data_tx_status;
+
+ if (drv->device_ap_sme && drv->use_monitor) {
+ /*
+ * Non-mac80211 drivers may not support monitor interface.
+ * Make sure we do not get stuck with incorrect capability here
+ * by explicitly testing this.
+ */
+ if (!info.monitor_supported) {
+ wpa_printf(MSG_DEBUG, "nl80211: Disable use_monitor "
+ "with device_ap_sme since no monitor mode "
+ "support detected");
+ drv->use_monitor = 0;
+ }
+ }
+
+ /*
+ * 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;
+
+ qca_nl80211_check_dfs_capa(drv);
+
+ return 0;
+}
+
+
+struct phy_info_arg {
+ u16 *num_modes;
+ struct hostapd_hw_modes *modes;
+ int last_mode, last_chan_idx;
+};
+
+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 void phy_info_freq(struct hostapd_hw_modes *mode,
+ struct hostapd_channel_data *chan,
+ struct nlattr *tb_freq[])
+{
+ u8 channel;
+ chan->freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]);
+ chan->flag = 0;
+ chan->dfs_cac_ms = 0;
+ if (ieee80211_freq_to_chan(chan->freq, &channel) != NUM_HOSTAPD_MODES)
+ chan->chan = channel;
+
+ 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_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]);
+ }
+}
+
+
+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 },
+ };
+ 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_SKIP;
+
+ 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_SKIP;
+
+ 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 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)
+ return NL_SKIP;
+ 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_freqs(phy_info, mode, tb_band[NL80211_BAND_ATTR_FREQS]);
+ if (ret != NL_OK)
+ return ret;
+ ret = phy_info_rates(mode, tb_band[NL80211_BAND_ATTR_RATES]);
+ 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 < 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;
+ }
+
+ /* 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_malloc(mode11g->num_channels *
+ sizeof(struct hostapd_channel_data));
+ if (mode->channels == NULL) {
+ (*num_modes)--;
+ return modes; /* Could not add 802.11b mode */
+ }
+ os_memcpy(mode->channels, mode11g->channels,
+ mode11g->num_channels * sizeof(struct hostapd_channel_data));
+
+ 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 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;
+ }
+}
+
+
+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);
+ }
+}
+
+
+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]);
+ 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);
+ return send_and_recv_msgs(drv, msg, nl80211_get_reg, results);
+}
+
+
+struct hostapd_hw_modes *
+nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags)
+{
+ u32 feat;
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
+ struct nl_msg *msg;
+ struct phy_info_arg result = {
+ .num_modes = num_modes,
+ .modes = NULL,
+ .last_mode = -1,
+ };
+
+ *num_modes = 0;
+ *flags = 0;
+
+ msg = nlmsg_alloc();
+ if (!msg)
+ return NULL;
+
+ feat = get_nl80211_protocol_features(drv);
+ if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)
+ nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_WIPHY);
+ else
+ nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_WIPHY);
+
+ NLA_PUT_FLAG(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP);
+ if (nl80211_set_iface_id(msg, bss) < 0)
+ goto nla_put_failure;
+
+ if (send_and_recv_msgs(drv, msg, phy_info_handler, &result) == 0) {
+ nl80211_set_regulatory_flags(drv, &result);
+ return wpa_driver_nl80211_postprocess_modes(result.modes,
+ num_modes);
+ }
+ msg = NULL;
+ nla_put_failure:
+ nlmsg_free(msg);
+ return NULL;
+}
ifdef CONFIG_DRIVER_NL80211
DRV_CFLAGS += -DCONFIG_DRIVER_NL80211
DRV_OBJS += ../src/drivers/driver_nl80211.o
+DRV_OBJS += ../src/drivers/driver_nl80211_capa.o
DRV_OBJS += ../src/drivers/driver_nl80211_monitor.o
DRV_OBJS += ../src/utils/radiotap.o
NEED_SME=y
DRV_CFLAGS += -DCONFIG_DRIVER_NL80211
DRV_OBJS += src/drivers/driver_nl80211.c
DRV_OBJS += src/drivers/driver_nl80211_android.c
+DRV_OBJS += src/drivers/driver_nl80211_capa.c
DRV_OBJS += src/drivers/driver_nl80211_monitor.c
DRV_OBJS += src/utils/radiotap.c
NEED_SME=y
projects / mech_eap.git / commitdiff