From 0fafeb5454fa3271250a46088fc806974e750ee3 Mon Sep 17 00:00:00 2001 From: Jouni Malinen Date: Sun, 26 Oct 2014 13:28:39 +0200 Subject: [PATCH] nl80211: Move capability determination into a separate file This moves significant amount of code away from large driver_nl80211.c. Signed-off-by: Jouni Malinen --- src/drivers/driver_nl80211.c | 1415 +--------------------------- src/drivers/driver_nl80211.h | 4 + src/drivers/driver_nl80211_capa.c | 1432 +++++++++++++++++++++++++++++ src/drivers/drivers.mak | 1 + src/drivers/drivers.mk | 1 + 5 files changed, 1439 insertions(+), 1414 deletions(-) create mode 100644 src/drivers/driver_nl80211_capa.c diff --git a/src/drivers/driver_nl80211.c b/src/drivers/driver_nl80211.c index b4be20e31..5e3453f70 100644 --- a/src/drivers/driver_nl80211.c +++ b/src/drivers/driver_nl80211.c @@ -3321,752 +3321,6 @@ static int wpa_driver_nl80211_get_country(void *priv, char *alpha2) } -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; @@ -6403,673 +5657,6 @@ int wpa_driver_nl80211_authenticate_retry(struct wpa_driver_nl80211_data *drv) } -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, @@ -12146,7 +10733,7 @@ const struct wpa_driver_ops wpa_driver_nl80211_ops = { .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, diff --git a/src/drivers/driver_nl80211.h b/src/drivers/driver_nl80211.h index ff66ba969..fdc145bc0 100644 --- a/src/drivers/driver_nl80211.h +++ b/src/drivers/driver_nl80211.h @@ -216,6 +216,10 @@ int nl80211_send_monitor(struct wpa_driver_nl80211_data *drv, 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); diff --git a/src/drivers/driver_nl80211_capa.c b/src/drivers/driver_nl80211_capa.c new file mode 100644 index 000000000..cb9d383c2 --- /dev/null +++ b/src/drivers/driver_nl80211_capa.c @@ -0,0 +1,1432 @@ +/* + * Driver interaction with Linux nl80211/cfg80211 - Capabilities + * Copyright (c) 2002-2014, Jouni Malinen + * Copyright (c) 2007, Johannes Berg + * 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 + +#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; +} diff --git a/src/drivers/drivers.mak b/src/drivers/drivers.mak index e9ec93c64..47954ba87 100644 --- a/src/drivers/drivers.mak +++ b/src/drivers/drivers.mak @@ -25,6 +25,7 @@ endif 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 diff --git a/src/drivers/drivers.mk b/src/drivers/drivers.mk index fe048a64a..78ef783e7 100644 --- a/src/drivers/drivers.mk +++ b/src/drivers/drivers.mk @@ -21,6 +21,7 @@ ifdef CONFIG_DRIVER_NL80211 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