/* * Copyright (c) 2012-2017 Qualcomm Atheros, Inc. * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include "wil6210.h" #include "wmi.h" #include "ftm.h" #define WIL_MAX_ROC_DURATION_MS 5000 bool disable_ap_sme; module_param(disable_ap_sme, bool, 0444); MODULE_PARM_DESC(disable_ap_sme, " let user space handle AP mode SME"); #ifdef CONFIG_PM static struct wiphy_wowlan_support wil_wowlan_support = { .flags = WIPHY_WOWLAN_ANY | WIPHY_WOWLAN_DISCONNECT, }; #endif static unsigned short scan_dwell_time = WMI_SCAN_DWELL_TIME_MS; module_param(scan_dwell_time, ushort, 0644); MODULE_PARM_DESC(scan_dwell_time, " Scan dwell time"); static unsigned short acs_ch_weight[4] = {120, 100, 100, 100}; module_param_array(acs_ch_weight, ushort, NULL, 0); MODULE_PARM_DESC(acs_ch_weight, " Channel weight in %. This is channel priority for ACS"); /* in case of channels' noise values all zero, applying weights will not work. * to avoid such a case, we will add some small positive value to * all channels' noise calculation */ #define ACS_CH_NOISE_INIT_VAL (100) #define ACS_DEFAULT_BEST_CHANNEL 2 #define CHAN60G(_channel, _flags) { \ .band = IEEE80211_BAND_60GHZ, \ .center_freq = 56160 + (2160 * (_channel)), \ .hw_value = (_channel), \ .flags = (_flags), \ .max_antenna_gain = 0, \ .max_power = 40, \ } #define WIL_BRP_ANT_LIMIT_MIN (1) #define WIL_BRP_ANT_LIMIT_MAX (27) static struct ieee80211_channel wil_60ghz_channels[] = { CHAN60G(1, 0), CHAN60G(2, 0), CHAN60G(3, 0), /* channel 4 not supported yet */ }; /* Vendor id to be used in vendor specific command and events * to user space. * NOTE: The authoritative place for definition of QCA_NL80211_VENDOR_ID, * vendor subcmd definitions prefixed with QCA_NL80211_VENDOR_SUBCMD, and * qca_wlan_vendor_attr is open source file src/common/qca-vendor.h in * git://w1.fi/srv/git/hostap.git; the values here are just a copy of that */ #define QCA_NL80211_VENDOR_ID 0x001374 enum qca_wlan_vendor_attr_acs_offload { QCA_WLAN_VENDOR_ATTR_ACS_CHANNEL_INVALID = 0, QCA_WLAN_VENDOR_ATTR_ACS_PRIMARY_CHANNEL, QCA_WLAN_VENDOR_ATTR_ACS_SECONDARY_CHANNEL, QCA_WLAN_VENDOR_ATTR_ACS_HW_MODE, QCA_WLAN_VENDOR_ATTR_ACS_HT_ENABLED, QCA_WLAN_VENDOR_ATTR_ACS_HT40_ENABLED, /* keep last */ QCA_WLAN_VENDOR_ATTR_ACS_AFTER_LAST, QCA_WLAN_VENDOR_ATTR_ACS_MAX = QCA_WLAN_VENDOR_ATTR_ACS_AFTER_LAST - 1 }; enum qca_wlan_vendor_acs_hw_mode { QCA_ACS_MODE_IEEE80211B, QCA_ACS_MODE_IEEE80211G, QCA_ACS_MODE_IEEE80211A, QCA_ACS_MODE_IEEE80211AD, }; static const struct nla_policy qca_wlan_acs_vendor_attr[QCA_WLAN_VENDOR_ATTR_ACS_MAX + 1] = { [QCA_WLAN_VENDOR_ATTR_ACS_HW_MODE] = { .type = NLA_U8 }, }; #define WIL_MAX_RF_SECTORS (128) #define WIL_CID_ALL (0xff) enum qca_wlan_vendor_attr_wil { QCA_ATTR_MAC_ADDR = 6, QCA_ATTR_PAD = 13, QCA_ATTR_TSF = 29, QCA_ATTR_DMG_RF_SECTOR_INDEX = 30, QCA_ATTR_DMG_RF_SECTOR_TYPE = 31, QCA_ATTR_DMG_RF_MODULE_MASK = 32, QCA_ATTR_DMG_RF_SECTOR_CFG = 33, QCA_ATTR_BRP_ANT_LIMIT_MODE = 38, QCA_ATTR_BRP_ANT_NUM_LIMIT = 39, QCA_ATTR_WIL_MAX, }; enum qca_wlan_vendor_attr_dmg_rf_sector_type { QCA_ATTR_DMG_RF_SECTOR_TYPE_RX, QCA_ATTR_DMG_RF_SECTOR_TYPE_TX, QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX }; enum qca_wlan_vendor_attr_dmg_rf_sector_cfg { QCA_ATTR_DMG_RF_SECTOR_CFG_INVALID = 0, QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX, QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0, QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1, QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2, QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI, QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO, QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16, /* keep last */ QCA_ATTR_DMG_RF_SECTOR_CFG_AFTER_LAST, QCA_ATTR_DMG_RF_SECTOR_CFG_MAX = QCA_ATTR_DMG_RF_SECTOR_CFG_AFTER_LAST - 1 }; enum qca_wlan_vendor_attr_brp_ant_limit_mode { QCA_WLAN_VENDOR_ATTR_BRP_ANT_LIMIT_MODE_DISABLE, QCA_WLAN_VENDOR_ATTR_BRP_ANT_LIMIT_MODE_EFFECTIVE, QCA_WLAN_VENDOR_ATTR_BRP_ANT_LIMIT_MODE_FORCE, QCA_WLAN_VENDOR_ATTR_BRP_ANT_LIMIT_MODES_NUM }; static const struct nla_policy wil_brp_ant_limit_policy[QCA_ATTR_WIL_MAX + 1] = { [QCA_ATTR_MAC_ADDR] = { .len = ETH_ALEN }, [QCA_ATTR_BRP_ANT_NUM_LIMIT] = { .type = NLA_U8 }, [QCA_ATTR_BRP_ANT_LIMIT_MODE] = { .type = NLA_U8 }, }; static const struct nla_policy wil_rf_sector_policy[QCA_ATTR_WIL_MAX + 1] = { [QCA_ATTR_MAC_ADDR] = { .len = ETH_ALEN }, [QCA_ATTR_DMG_RF_SECTOR_INDEX] = { .type = NLA_U16 }, [QCA_ATTR_DMG_RF_SECTOR_TYPE] = { .type = NLA_U8 }, [QCA_ATTR_DMG_RF_MODULE_MASK] = { .type = NLA_U32 }, [QCA_ATTR_DMG_RF_SECTOR_CFG] = { .type = NLA_NESTED }, }; static const struct nla_policy wil_rf_sector_cfg_policy[QCA_ATTR_DMG_RF_SECTOR_CFG_MAX + 1] = { [QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX] = { .type = NLA_U8 }, [QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0] = { .type = NLA_U32 }, [QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1] = { .type = NLA_U32 }, [QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2] = { .type = NLA_U32 }, [QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI] = { .type = NLA_U32 }, [QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO] = { .type = NLA_U32 }, [QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16] = { .type = NLA_U32 }, }; enum qca_nl80211_vendor_subcmds { QCA_NL80211_VENDOR_SUBCMD_DO_ACS = 54, QCA_NL80211_VENDOR_SUBCMD_LOC_GET_CAPA = 128, QCA_NL80211_VENDOR_SUBCMD_FTM_START_SESSION = 129, QCA_NL80211_VENDOR_SUBCMD_FTM_ABORT_SESSION = 130, QCA_NL80211_VENDOR_SUBCMD_FTM_MEAS_RESULT = 131, QCA_NL80211_VENDOR_SUBCMD_FTM_SESSION_DONE = 132, QCA_NL80211_VENDOR_SUBCMD_FTM_CFG_RESPONDER = 133, QCA_NL80211_VENDOR_SUBCMD_AOA_MEAS = 134, QCA_NL80211_VENDOR_SUBCMD_AOA_ABORT_MEAS = 135, QCA_NL80211_VENDOR_SUBCMD_AOA_MEAS_RESULT = 136, QCA_NL80211_VENDOR_SUBCMD_DMG_RF_GET_SECTOR_CFG = 139, QCA_NL80211_VENDOR_SUBCMD_DMG_RF_SET_SECTOR_CFG = 140, QCA_NL80211_VENDOR_SUBCMD_DMG_RF_GET_SELECTED_SECTOR = 141, QCA_NL80211_VENDOR_SUBCMD_DMG_RF_SET_SELECTED_SECTOR = 142, QCA_NL80211_VENDOR_SUBCMD_BRP_SET_ANT_LIMIT = 153, }; static int wil_do_acs(struct wiphy *wiphy, struct wireless_dev *wdev, const void *data, int data_len); static int wil_rf_sector_get_cfg(struct wiphy *wiphy, struct wireless_dev *wdev, const void *data, int data_len); static int wil_rf_sector_set_cfg(struct wiphy *wiphy, struct wireless_dev *wdev, const void *data, int data_len); static int wil_rf_sector_get_selected(struct wiphy *wiphy, struct wireless_dev *wdev, const void *data, int data_len); static int wil_rf_sector_set_selected(struct wiphy *wiphy, struct wireless_dev *wdev, const void *data, int data_len); static int wil_brp_set_ant_limit(struct wiphy *wiphy, struct wireless_dev *wdev, const void *data, int data_len); /* vendor specific commands */ static const struct wiphy_vendor_command wil_nl80211_vendor_commands[] = { { .info.vendor_id = QCA_NL80211_VENDOR_ID, .info.subcmd = QCA_NL80211_VENDOR_SUBCMD_DO_ACS, .flags = WIPHY_VENDOR_CMD_NEED_WDEV | WIPHY_VENDOR_CMD_NEED_NETDEV | WIPHY_VENDOR_CMD_NEED_RUNNING, .doit = wil_do_acs }, { .info.vendor_id = QCA_NL80211_VENDOR_ID, .info.subcmd = QCA_NL80211_VENDOR_SUBCMD_LOC_GET_CAPA, .flags = WIPHY_VENDOR_CMD_NEED_WDEV | WIPHY_VENDOR_CMD_NEED_RUNNING, .doit = wil_ftm_get_capabilities }, { .info.vendor_id = QCA_NL80211_VENDOR_ID, .info.subcmd = QCA_NL80211_VENDOR_SUBCMD_FTM_START_SESSION, .flags = WIPHY_VENDOR_CMD_NEED_WDEV | WIPHY_VENDOR_CMD_NEED_RUNNING, .doit = wil_ftm_start_session }, { .info.vendor_id = QCA_NL80211_VENDOR_ID, .info.subcmd = QCA_NL80211_VENDOR_SUBCMD_FTM_ABORT_SESSION, .flags = WIPHY_VENDOR_CMD_NEED_WDEV | WIPHY_VENDOR_CMD_NEED_RUNNING, .doit = wil_ftm_abort_session }, { .info.vendor_id = QCA_NL80211_VENDOR_ID, .info.subcmd = QCA_NL80211_VENDOR_SUBCMD_FTM_CFG_RESPONDER, .flags = WIPHY_VENDOR_CMD_NEED_WDEV | WIPHY_VENDOR_CMD_NEED_RUNNING, .doit = wil_ftm_configure_responder }, { .info.vendor_id = QCA_NL80211_VENDOR_ID, .info.subcmd = QCA_NL80211_VENDOR_SUBCMD_AOA_MEAS, .flags = WIPHY_VENDOR_CMD_NEED_WDEV | WIPHY_VENDOR_CMD_NEED_RUNNING, .doit = wil_aoa_start_measurement }, { .info.vendor_id = QCA_NL80211_VENDOR_ID, .info.subcmd = QCA_NL80211_VENDOR_SUBCMD_AOA_ABORT_MEAS, .flags = WIPHY_VENDOR_CMD_NEED_WDEV | WIPHY_VENDOR_CMD_NEED_RUNNING, .doit = wil_aoa_abort_measurement }, { .info.vendor_id = QCA_NL80211_VENDOR_ID, .info.subcmd = QCA_NL80211_VENDOR_SUBCMD_DMG_RF_GET_SECTOR_CFG, .flags = WIPHY_VENDOR_CMD_NEED_WDEV | WIPHY_VENDOR_CMD_NEED_RUNNING, .doit = wil_rf_sector_get_cfg }, { .info.vendor_id = QCA_NL80211_VENDOR_ID, .info.subcmd = QCA_NL80211_VENDOR_SUBCMD_DMG_RF_SET_SECTOR_CFG, .flags = WIPHY_VENDOR_CMD_NEED_WDEV | WIPHY_VENDOR_CMD_NEED_RUNNING, .doit = wil_rf_sector_set_cfg }, { .info.vendor_id = QCA_NL80211_VENDOR_ID, .info.subcmd = QCA_NL80211_VENDOR_SUBCMD_DMG_RF_GET_SELECTED_SECTOR, .flags = WIPHY_VENDOR_CMD_NEED_WDEV | WIPHY_VENDOR_CMD_NEED_RUNNING, .doit = wil_rf_sector_get_selected }, { .info.vendor_id = QCA_NL80211_VENDOR_ID, .info.subcmd = QCA_NL80211_VENDOR_SUBCMD_DMG_RF_SET_SELECTED_SECTOR, .flags = WIPHY_VENDOR_CMD_NEED_WDEV | WIPHY_VENDOR_CMD_NEED_RUNNING, .doit = wil_rf_sector_set_selected }, { .info.vendor_id = QCA_NL80211_VENDOR_ID, .info.subcmd = QCA_NL80211_VENDOR_SUBCMD_BRP_SET_ANT_LIMIT, .flags = WIPHY_VENDOR_CMD_NEED_WDEV | WIPHY_VENDOR_CMD_NEED_RUNNING, .doit = wil_brp_set_ant_limit }, }; /* vendor specific events */ static const struct nl80211_vendor_cmd_info wil_nl80211_vendor_events[] = { [QCA_NL80211_VENDOR_EVENT_DO_ACS_INDEX] = { .vendor_id = QCA_NL80211_VENDOR_ID, .subcmd = QCA_NL80211_VENDOR_SUBCMD_DO_ACS }, [QCA_NL80211_VENDOR_EVENT_FTM_MEAS_RESULT_INDEX] = { .vendor_id = QCA_NL80211_VENDOR_ID, .subcmd = QCA_NL80211_VENDOR_SUBCMD_FTM_MEAS_RESULT }, [QCA_NL80211_VENDOR_EVENT_FTM_SESSION_DONE_INDEX] = { .vendor_id = QCA_NL80211_VENDOR_ID, .subcmd = QCA_NL80211_VENDOR_SUBCMD_FTM_SESSION_DONE }, [QCA_NL80211_VENDOR_EVENT_AOA_MEAS_RESULT_INDEX] = { .vendor_id = QCA_NL80211_VENDOR_ID, .subcmd = QCA_NL80211_VENDOR_SUBCMD_AOA_MEAS_RESULT }, }; static struct ieee80211_supported_band wil_band_60ghz = { .channels = wil_60ghz_channels, .n_channels = ARRAY_SIZE(wil_60ghz_channels), .ht_cap = { .ht_supported = true, .cap = 0, /* TODO */ .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K, /* TODO */ .ampdu_density = IEEE80211_HT_MPDU_DENSITY_8, /* TODO */ .mcs = { /* MCS 1..12 - SC PHY */ .rx_mask = {0xfe, 0x1f}, /* 1..12 */ .tx_params = IEEE80211_HT_MCS_TX_DEFINED, /* TODO */ }, }, }; static const struct ieee80211_txrx_stypes wil_mgmt_stypes[NUM_NL80211_IFTYPES] = { [NL80211_IFTYPE_STATION] = { .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | BIT(IEEE80211_STYPE_PROBE_RESP >> 4), .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | BIT(IEEE80211_STYPE_PROBE_REQ >> 4) }, [NL80211_IFTYPE_AP] = { .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | BIT(IEEE80211_STYPE_PROBE_RESP >> 4) | BIT(IEEE80211_STYPE_ASSOC_RESP >> 4) | BIT(IEEE80211_STYPE_DISASSOC >> 4), .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | BIT(IEEE80211_STYPE_DISASSOC >> 4) | BIT(IEEE80211_STYPE_AUTH >> 4) | BIT(IEEE80211_STYPE_DEAUTH >> 4) | BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) }, [NL80211_IFTYPE_P2P_CLIENT] = { .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | BIT(IEEE80211_STYPE_PROBE_RESP >> 4), .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | BIT(IEEE80211_STYPE_PROBE_REQ >> 4) }, [NL80211_IFTYPE_P2P_GO] = { .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | BIT(IEEE80211_STYPE_PROBE_RESP >> 4), .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | BIT(IEEE80211_STYPE_PROBE_REQ >> 4) }, [NL80211_IFTYPE_P2P_DEVICE] = { .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | BIT(IEEE80211_STYPE_PROBE_RESP >> 4), .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | BIT(IEEE80211_STYPE_PROBE_REQ >> 4) }, }; static const u32 wil_cipher_suites[] = { WLAN_CIPHER_SUITE_GCMP, }; static const char * const key_usage_str[] = { [WMI_KEY_USE_PAIRWISE] = "PTK", [WMI_KEY_USE_RX_GROUP] = "RX_GTK", [WMI_KEY_USE_TX_GROUP] = "TX_GTK", }; int wil_iftype_nl2wmi(enum nl80211_iftype type) { static const struct { enum nl80211_iftype nl; enum wmi_network_type wmi; } __nl2wmi[] = { {NL80211_IFTYPE_ADHOC, WMI_NETTYPE_ADHOC}, {NL80211_IFTYPE_STATION, WMI_NETTYPE_INFRA}, {NL80211_IFTYPE_AP, WMI_NETTYPE_AP}, {NL80211_IFTYPE_P2P_CLIENT, WMI_NETTYPE_P2P}, {NL80211_IFTYPE_P2P_GO, WMI_NETTYPE_P2P}, {NL80211_IFTYPE_MONITOR, WMI_NETTYPE_ADHOC}, /* FIXME */ }; uint i; for (i = 0; i < ARRAY_SIZE(__nl2wmi); i++) { if (__nl2wmi[i].nl == type) return __nl2wmi[i].wmi; } return -EOPNOTSUPP; } int wil_cid_fill_sinfo(struct wil6210_priv *wil, int cid, struct station_info *sinfo) { struct wmi_notify_req_cmd cmd = { .cid = cid, .interval_usec = 0, }; struct { struct wmi_cmd_hdr wmi; struct wmi_notify_req_done_event evt; } __packed reply; struct wil_net_stats *stats = &wil->sta[cid].stats; int rc; rc = wmi_call(wil, WMI_NOTIFY_REQ_CMDID, &cmd, sizeof(cmd), WMI_NOTIFY_REQ_DONE_EVENTID, &reply, sizeof(reply), 20); if (rc) return rc; wil_dbg_wmi(wil, "Link status for CID %d: {\n" " MCS %d TSF 0x%016llx\n" " BF status 0x%08x RSSI %d SQI %d%%\n" " Tx Tpt %d goodput %d Rx goodput %d\n" " Sectors(rx:tx) my %d:%d peer %d:%d\n""}\n", cid, le16_to_cpu(reply.evt.bf_mcs), le64_to_cpu(reply.evt.tsf), reply.evt.status, reply.evt.rssi, reply.evt.sqi, le32_to_cpu(reply.evt.tx_tpt), le32_to_cpu(reply.evt.tx_goodput), le32_to_cpu(reply.evt.rx_goodput), le16_to_cpu(reply.evt.my_rx_sector), le16_to_cpu(reply.evt.my_tx_sector), le16_to_cpu(reply.evt.other_rx_sector), le16_to_cpu(reply.evt.other_tx_sector)); sinfo->generation = wil->sinfo_gen; sinfo->filled = BIT(NL80211_STA_INFO_RX_BYTES) | BIT(NL80211_STA_INFO_TX_BYTES) | BIT(NL80211_STA_INFO_RX_PACKETS) | BIT(NL80211_STA_INFO_TX_PACKETS) | BIT(NL80211_STA_INFO_RX_BITRATE) | BIT(NL80211_STA_INFO_TX_BITRATE) | BIT(NL80211_STA_INFO_RX_DROP_MISC) | BIT(NL80211_STA_INFO_TX_FAILED); sinfo->txrate.flags = RATE_INFO_FLAGS_MCS | RATE_INFO_FLAGS_60G; sinfo->txrate.mcs = le16_to_cpu(reply.evt.bf_mcs); sinfo->rxrate.flags = RATE_INFO_FLAGS_MCS | RATE_INFO_FLAGS_60G; sinfo->rxrate.mcs = stats->last_mcs_rx; sinfo->rx_bytes = stats->rx_bytes; sinfo->rx_packets = stats->rx_packets; sinfo->rx_dropped_misc = stats->rx_dropped; sinfo->tx_bytes = stats->tx_bytes; sinfo->tx_packets = stats->tx_packets; sinfo->tx_failed = stats->tx_errors; if (test_bit(wil_status_fwconnected, wil->status)) { sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL); if (test_bit(WMI_FW_CAPABILITY_RSSI_REPORTING, wil->fw_capabilities)) sinfo->signal = reply.evt.rssi; else sinfo->signal = reply.evt.sqi; } return rc; } static int wil_cfg80211_get_station(struct wiphy *wiphy, struct net_device *ndev, const u8 *mac, struct station_info *sinfo) { struct wil6210_priv *wil = wiphy_to_wil(wiphy); int rc; int cid = wil_find_cid(wil, mac); wil_dbg_misc(wil, "get_station: %pM CID %d\n", mac, cid); if (cid < 0) return cid; rc = wil_cid_fill_sinfo(wil, cid, sinfo); return rc; } /* * Find @idx-th active STA for station dump. */ static int wil_find_cid_by_idx(struct wil6210_priv *wil, int idx) { int i; for (i = 0; i < ARRAY_SIZE(wil->sta); i++) { if (wil->sta[i].status == wil_sta_unused) continue; if (idx == 0) return i; idx--; } return -ENOENT; } static int wil_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev, int idx, u8 *mac, struct station_info *sinfo) { struct wil6210_priv *wil = wiphy_to_wil(wiphy); int rc; int cid = wil_find_cid_by_idx(wil, idx); if (cid < 0) return -ENOENT; ether_addr_copy(mac, wil->sta[cid].addr); wil_dbg_misc(wil, "dump_station: %pM CID %d\n", mac, cid); rc = wil_cid_fill_sinfo(wil, cid, sinfo); return rc; } static int wil_cfg80211_start_p2p_device(struct wiphy *wiphy, struct wireless_dev *wdev) { struct wil6210_priv *wil = wiphy_to_wil(wiphy); wil_dbg_misc(wil, "start_p2p_device: entered\n"); wil->p2p.p2p_dev_started = 1; return 0; } static void wil_cfg80211_stop_p2p_device(struct wiphy *wiphy, struct wireless_dev *wdev) { struct wil6210_priv *wil = wiphy_to_wil(wiphy); struct wil_p2p_info *p2p = &wil->p2p; if (!p2p->p2p_dev_started) return; wil_dbg_misc(wil, "stop_p2p_device: entered\n"); mutex_lock(&wil->mutex); mutex_lock(&wil->p2p_wdev_mutex); wil_p2p_stop_radio_operations(wil); p2p->p2p_dev_started = 0; mutex_unlock(&wil->p2p_wdev_mutex); mutex_unlock(&wil->mutex); } static struct wireless_dev * wil_cfg80211_add_iface(struct wiphy *wiphy, const char *name, unsigned char name_assign_type, enum nl80211_iftype type, u32 *flags, struct vif_params *params) { struct wil6210_priv *wil = wiphy_to_wil(wiphy); struct net_device *ndev = wil_to_ndev(wil); struct wireless_dev *p2p_wdev; wil_dbg_misc(wil, "add_iface\n"); if (type != NL80211_IFTYPE_P2P_DEVICE) { wil_err(wil, "unsupported iftype %d\n", type); return ERR_PTR(-EINVAL); } if (wil->p2p_wdev) { wil_err(wil, "P2P_DEVICE interface already created\n"); return ERR_PTR(-EINVAL); } p2p_wdev = kzalloc(sizeof(*p2p_wdev), GFP_KERNEL); if (!p2p_wdev) return ERR_PTR(-ENOMEM); p2p_wdev->iftype = type; p2p_wdev->wiphy = wiphy; /* use our primary ethernet address */ ether_addr_copy(p2p_wdev->address, ndev->perm_addr); wil->p2p_wdev = p2p_wdev; return p2p_wdev; } static int wil_cfg80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev) { struct wil6210_priv *wil = wiphy_to_wil(wiphy); wil_dbg_misc(wil, "del_iface\n"); if (wdev != wil->p2p_wdev) { wil_err(wil, "delete of incorrect interface 0x%p\n", wdev); return -EINVAL; } wil_cfg80211_stop_p2p_device(wiphy, wdev); wil_p2p_wdev_free(wil); return 0; } static int wil_cfg80211_change_iface(struct wiphy *wiphy, struct net_device *ndev, enum nl80211_iftype type, u32 *flags, struct vif_params *params) { struct wil6210_priv *wil = wiphy_to_wil(wiphy); struct wireless_dev *wdev = wil_to_wdev(wil); int rc; wil_dbg_misc(wil, "change_iface: type=%d\n", type); if (netif_running(wil_to_ndev(wil)) && !wil_is_recovery_blocked(wil)) { wil_dbg_misc(wil, "interface is up. resetting...\n"); mutex_lock(&wil->mutex); __wil_down(wil); rc = __wil_up(wil); mutex_unlock(&wil->mutex); if (rc) return rc; } switch (type) { case NL80211_IFTYPE_STATION: case NL80211_IFTYPE_AP: case NL80211_IFTYPE_P2P_CLIENT: case NL80211_IFTYPE_P2P_GO: break; case NL80211_IFTYPE_MONITOR: if (flags) wil->monitor_flags = *flags; else wil->monitor_flags = 0; break; default: return -EOPNOTSUPP; } wdev->iftype = type; return 0; } static int wil_cfg80211_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request) { struct wil6210_priv *wil = wiphy_to_wil(wiphy); struct wireless_dev *wdev = request->wdev; struct { struct wmi_start_scan_cmd cmd; u16 chnl[4]; } __packed cmd; uint i, n; int rc; wil_dbg_misc(wil, "scan: wdev=0x%p iftype=%d\n", wdev, wdev->iftype); /* check we are client side */ switch (wdev->iftype) { case NL80211_IFTYPE_STATION: case NL80211_IFTYPE_P2P_CLIENT: case NL80211_IFTYPE_P2P_DEVICE: break; default: return -EOPNOTSUPP; } /* FW don't support scan after connection attempt */ if (test_bit(wil_status_dontscan, wil->status)) { wil_err(wil, "Can't scan now\n"); return -EBUSY; } mutex_lock(&wil->mutex); mutex_lock(&wil->p2p_wdev_mutex); if (wil->scan_request || wil->p2p.discovery_started) { wil_err(wil, "Already scanning\n"); mutex_unlock(&wil->p2p_wdev_mutex); rc = -EAGAIN; goto out; } mutex_unlock(&wil->p2p_wdev_mutex); if (wdev->iftype == NL80211_IFTYPE_P2P_DEVICE) { if (!wil->p2p.p2p_dev_started) { wil_err(wil, "P2P search requested on stopped P2P device\n"); rc = -EIO; goto out; } /* social scan on P2P_DEVICE is handled as p2p search */ if (wil_p2p_is_social_scan(request)) { wil->scan_request = request; wil->radio_wdev = wdev; rc = wil_p2p_search(wil, request); if (rc) { wil->radio_wdev = wil_to_wdev(wil); wil->scan_request = NULL; } goto out; } } (void)wil_p2p_stop_discovery(wil); wil_dbg_misc(wil, "Start scan_request 0x%p\n", request); wil_dbg_misc(wil, "SSID count: %d", request->n_ssids); for (i = 0; i < request->n_ssids; i++) { wil_dbg_misc(wil, "SSID[%d]", i); wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1, request->ssids[i].ssid, request->ssids[i].ssid_len, true); } if (request->n_ssids) rc = wmi_set_ssid(wil, request->ssids[0].ssid_len, request->ssids[0].ssid); else rc = wmi_set_ssid(wil, 0, NULL); if (rc) { wil_err(wil, "set SSID for scan request failed: %d\n", rc); goto out; } wil->scan_request = request; mod_timer(&wil->scan_timer, jiffies + WIL6210_SCAN_TO); memset(&cmd, 0, sizeof(cmd)); cmd.cmd.scan_type = WMI_ACTIVE_SCAN; cmd.cmd.num_channels = 0; n = min(request->n_channels, 4U); for (i = 0; i < n; i++) { int ch = request->channels[i]->hw_value; if (ch == 0) { wil_err(wil, "Scan requested for unknown frequency %dMhz\n", request->channels[i]->center_freq); continue; } /* 0-based channel indexes */ cmd.cmd.channel_list[cmd.cmd.num_channels++].channel = ch - 1; wil_dbg_misc(wil, "Scan for ch %d : %d MHz\n", ch, request->channels[i]->center_freq); } if (request->ie_len) wil_hex_dump_misc("Scan IE ", DUMP_PREFIX_OFFSET, 16, 1, request->ie, request->ie_len, true); else wil_dbg_misc(wil, "Scan has no IE's\n"); rc = wmi_set_ie(wil, WMI_FRAME_PROBE_REQ, request->ie_len, request->ie); if (rc) goto out_restore; if (wil->discovery_mode && cmd.cmd.scan_type == WMI_ACTIVE_SCAN) { cmd.cmd.discovery_mode = 1; wil_dbg_misc(wil, "active scan with discovery_mode=1\n"); } wil->radio_wdev = wdev; rc = wmi_send(wil, WMI_START_SCAN_CMDID, &cmd, sizeof(cmd.cmd) + cmd.cmd.num_channels * sizeof(cmd.cmd.channel_list[0])); out_restore: if (rc) { del_timer_sync(&wil->scan_timer); wil->radio_wdev = wil_to_wdev(wil); wil->scan_request = NULL; } out: mutex_unlock(&wil->mutex); return rc; } static void wil_cfg80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev) { struct wil6210_priv *wil = wiphy_to_wil(wiphy); wil_dbg_misc(wil, "wdev=0x%p iftype=%d\n", wdev, wdev->iftype); mutex_lock(&wil->mutex); mutex_lock(&wil->p2p_wdev_mutex); if (!wil->scan_request) goto out; if (wdev != wil->scan_request->wdev) { wil_dbg_misc(wil, "abort scan was called on the wrong iface\n"); goto out; } if (wil->radio_wdev == wil->p2p_wdev) wil_p2p_stop_radio_operations(wil); else wil_abort_scan(wil, true); out: mutex_unlock(&wil->p2p_wdev_mutex); mutex_unlock(&wil->mutex); } static void wil_print_crypto(struct wil6210_priv *wil, struct cfg80211_crypto_settings *c) { int i, n; wil_dbg_misc(wil, "WPA versions: 0x%08x cipher group 0x%08x\n", c->wpa_versions, c->cipher_group); wil_dbg_misc(wil, "Pairwise ciphers [%d] {\n", c->n_ciphers_pairwise); n = min_t(int, c->n_ciphers_pairwise, ARRAY_SIZE(c->ciphers_pairwise)); for (i = 0; i < n; i++) wil_dbg_misc(wil, " [%d] = 0x%08x\n", i, c->ciphers_pairwise[i]); wil_dbg_misc(wil, "}\n"); wil_dbg_misc(wil, "AKM suites [%d] {\n", c->n_akm_suites); n = min_t(int, c->n_akm_suites, ARRAY_SIZE(c->akm_suites)); for (i = 0; i < n; i++) wil_dbg_misc(wil, " [%d] = 0x%08x\n", i, c->akm_suites[i]); wil_dbg_misc(wil, "}\n"); wil_dbg_misc(wil, "Control port : %d, eth_type 0x%04x no_encrypt %d\n", c->control_port, be16_to_cpu(c->control_port_ethertype), c->control_port_no_encrypt); } static void wil_print_connect_params(struct wil6210_priv *wil, struct cfg80211_connect_params *sme) { wil_info(wil, "Connecting to:\n"); if (sme->channel) { wil_info(wil, " Channel: %d freq %d\n", sme->channel->hw_value, sme->channel->center_freq); } if (sme->bssid) wil_info(wil, " BSSID: %pM\n", sme->bssid); if (sme->ssid) print_hex_dump(KERN_INFO, " SSID: ", DUMP_PREFIX_OFFSET, 16, 1, sme->ssid, sme->ssid_len, true); wil_info(wil, " Privacy: %s\n", sme->privacy ? "secure" : "open"); wil_info(wil, " PBSS: %d\n", sme->pbss); wil_print_crypto(wil, &sme->crypto); } static int wil_cfg80211_connect(struct wiphy *wiphy, struct net_device *ndev, struct cfg80211_connect_params *sme) { struct wil6210_priv *wil = wiphy_to_wil(wiphy); struct cfg80211_bss *bss; struct wmi_connect_cmd conn; const u8 *ssid_eid; const u8 *rsn_eid; int ch; int rc = 0; enum ieee80211_bss_type bss_type = IEEE80211_BSS_TYPE_ESS; wil_dbg_misc(wil, "connect\n"); wil_print_connect_params(wil, sme); if (test_bit(wil_status_fwconnecting, wil->status) || test_bit(wil_status_fwconnected, wil->status)) return -EALREADY; if (sme->ie_len > WMI_MAX_IE_LEN) { wil_err(wil, "IE too large (%td bytes)\n", sme->ie_len); return -ERANGE; } rsn_eid = sme->ie ? cfg80211_find_ie(WLAN_EID_RSN, sme->ie, sme->ie_len) : NULL; if (sme->privacy && !rsn_eid) wil_info(wil, "WSC connection\n"); if (sme->pbss) bss_type = IEEE80211_BSS_TYPE_PBSS; bss = cfg80211_get_bss(wiphy, sme->channel, sme->bssid, sme->ssid, sme->ssid_len, bss_type, IEEE80211_PRIVACY_ANY); if (!bss) { wil_err(wil, "Unable to find BSS\n"); return -ENOENT; } ssid_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SSID); if (!ssid_eid) { wil_err(wil, "No SSID\n"); rc = -ENOENT; goto out; } wil->privacy = sme->privacy; wil->pbss = sme->pbss; if (wil->privacy) { /* For secure assoc, remove old keys */ rc = wmi_del_cipher_key(wil, 0, bss->bssid, WMI_KEY_USE_PAIRWISE); if (rc) { wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(PTK) failed\n"); goto out; } rc = wmi_del_cipher_key(wil, 0, bss->bssid, WMI_KEY_USE_RX_GROUP); if (rc) { wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(GTK) failed\n"); goto out; } } /* WMI_SET_APPIE_CMD. ie may contain rsn info as well as other info * elements. Send it also in case it's empty, to erase previously set * ies in FW. */ rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_REQ, sme->ie_len, sme->ie); if (rc) goto out; /* WMI_CONNECT_CMD */ memset(&conn, 0, sizeof(conn)); switch (bss->capability & WLAN_CAPABILITY_DMG_TYPE_MASK) { case WLAN_CAPABILITY_DMG_TYPE_AP: conn.network_type = WMI_NETTYPE_INFRA; break; case WLAN_CAPABILITY_DMG_TYPE_PBSS: conn.network_type = WMI_NETTYPE_P2P; break; default: wil_err(wil, "Unsupported BSS type, capability= 0x%04x\n", bss->capability); goto out; } if (wil->privacy) { if (rsn_eid) { /* regular secure connection */ conn.dot11_auth_mode = WMI_AUTH11_SHARED; conn.auth_mode = WMI_AUTH_WPA2_PSK; conn.pairwise_crypto_type = WMI_CRYPT_AES_GCMP; conn.pairwise_crypto_len = 16; conn.group_crypto_type = WMI_CRYPT_AES_GCMP; conn.group_crypto_len = 16; } else { /* WSC */ conn.dot11_auth_mode = WMI_AUTH11_WSC; conn.auth_mode = WMI_AUTH_NONE; } } else { /* insecure connection */ conn.dot11_auth_mode = WMI_AUTH11_OPEN; conn.auth_mode = WMI_AUTH_NONE; } conn.ssid_len = min_t(u8, ssid_eid[1], 32); memcpy(conn.ssid, ssid_eid+2, conn.ssid_len); ch = bss->channel->hw_value; if (ch == 0) { wil_err(wil, "BSS at unknown frequency %dMhz\n", bss->channel->center_freq); rc = -EOPNOTSUPP; goto out; } conn.channel = ch - 1; ether_addr_copy(conn.bssid, bss->bssid); ether_addr_copy(conn.dst_mac, bss->bssid); set_bit(wil_status_fwconnecting, wil->status); rc = wmi_send(wil, WMI_CONNECT_CMDID, &conn, sizeof(conn)); if (rc == 0) { netif_carrier_on(ndev); wil6210_bus_request(wil, WIL_MAX_BUS_REQUEST_KBPS); wil->bss = bss; /* Connect can take lots of time */ mod_timer(&wil->connect_timer, jiffies + msecs_to_jiffies(5000)); } else { clear_bit(wil_status_fwconnecting, wil->status); } out: cfg80211_put_bss(wiphy, bss); return rc; } static int wil_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *ndev, u16 reason_code) { int rc; struct wil6210_priv *wil = wiphy_to_wil(wiphy); wil_dbg_misc(wil, "disconnect: reason=%d\n", reason_code); if (!(test_bit(wil_status_fwconnecting, wil->status) || test_bit(wil_status_fwconnected, wil->status))) { wil_err(wil, "Disconnect was called while disconnected\n"); return 0; } wil->locally_generated_disc = true; rc = wmi_call(wil, WMI_DISCONNECT_CMDID, NULL, 0, WMI_DISCONNECT_EVENTID, NULL, 0, WIL6210_DISCONNECT_TO_MS); if (rc) wil_err(wil, "disconnect error %d\n", rc); return rc; } static int wil_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) { struct wil6210_priv *wil = wiphy_to_wil(wiphy); int rc; /* these parameters are explicitly not supported */ if (changed & (WIPHY_PARAM_RETRY_LONG | WIPHY_PARAM_FRAG_THRESHOLD | WIPHY_PARAM_RTS_THRESHOLD)) return -ENOTSUPP; if (changed & WIPHY_PARAM_RETRY_SHORT) { rc = wmi_set_mgmt_retry(wil, wiphy->retry_short); if (rc) return rc; } return 0; } int wil_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, struct cfg80211_mgmt_tx_params *params, u64 *cookie) { const u8 *buf = params->buf; size_t len = params->len, total; struct wil6210_priv *wil = wiphy_to_wil(wiphy); int rc; bool tx_status = false; struct ieee80211_mgmt *mgmt_frame = (void *)buf; struct wmi_sw_tx_req_cmd *cmd; struct { struct wmi_cmd_hdr wmi; struct wmi_sw_tx_complete_event evt; } __packed evt; /* Note, currently we do not support the "wait" parameter, user-space * must call remain_on_channel before mgmt_tx or listen on a channel * another way (AP/PCP or connected station) * in addition we need to check if specified "chan" argument is * different from currently "listened" channel and fail if it is. */ wil_dbg_misc(wil, "mgmt_tx\n"); wil_hex_dump_misc("mgmt tx frame ", DUMP_PREFIX_OFFSET, 16, 1, buf, len, true); if (len < sizeof(struct ieee80211_hdr_3addr)) return -EINVAL; total = sizeof(*cmd) + len; if (total < len) return -EINVAL; cmd = kmalloc(total, GFP_KERNEL); if (!cmd) { rc = -ENOMEM; goto out; } memcpy(cmd->dst_mac, mgmt_frame->da, WMI_MAC_LEN); cmd->len = cpu_to_le16(len); memcpy(cmd->payload, buf, len); rc = wmi_call(wil, WMI_SW_TX_REQ_CMDID, cmd, total, WMI_SW_TX_COMPLETE_EVENTID, &evt, sizeof(evt), 2000); if (rc == 0) tx_status = !evt.evt.status; kfree(cmd); out: cfg80211_mgmt_tx_status(wdev, cookie ? *cookie : 0, buf, len, tx_status, GFP_KERNEL); return rc; } static int wil_cfg80211_set_channel(struct wiphy *wiphy, struct cfg80211_chan_def *chandef) { struct wil6210_priv *wil = wiphy_to_wil(wiphy); wil->monitor_chandef = *chandef; return 0; } static enum wmi_key_usage wil_detect_key_usage(struct wil6210_priv *wil, bool pairwise) { struct wireless_dev *wdev = wil_to_wdev(wil); enum wmi_key_usage rc; if (pairwise) { rc = WMI_KEY_USE_PAIRWISE; } else { switch (wdev->iftype) { case NL80211_IFTYPE_STATION: case NL80211_IFTYPE_P2P_CLIENT: rc = WMI_KEY_USE_RX_GROUP; break; case NL80211_IFTYPE_AP: case NL80211_IFTYPE_P2P_GO: rc = WMI_KEY_USE_TX_GROUP; break; default: /* TODO: Rx GTK or Tx GTK? */ wil_err(wil, "Can't determine GTK type\n"); rc = WMI_KEY_USE_RX_GROUP; break; } } wil_dbg_misc(wil, "detect_key_usage: -> %s\n", key_usage_str[rc]); return rc; } static struct wil_sta_info * wil_find_sta_by_key_usage(struct wil6210_priv *wil, enum wmi_key_usage key_usage, const u8 *mac_addr) { int cid = -EINVAL; if (key_usage == WMI_KEY_USE_TX_GROUP) return NULL; /* not needed */ /* supplicant provides Rx group key in STA mode with NULL MAC address */ if (mac_addr) cid = wil_find_cid(wil, mac_addr); else if (key_usage == WMI_KEY_USE_RX_GROUP) cid = wil_find_cid_by_idx(wil, 0); if (cid < 0) { wil_err(wil, "No CID for %pM %s\n", mac_addr, key_usage_str[key_usage]); return ERR_PTR(cid); } return &wil->sta[cid]; } static void wil_set_crypto_rx(u8 key_index, enum wmi_key_usage key_usage, struct wil_sta_info *cs, struct key_params *params) { struct wil_tid_crypto_rx_single *cc; int tid; if (!cs) return; switch (key_usage) { case WMI_KEY_USE_PAIRWISE: for (tid = 0; tid < WIL_STA_TID_NUM; tid++) { cc = &cs->tid_crypto_rx[tid].key_id[key_index]; if (params->seq) memcpy(cc->pn, params->seq, IEEE80211_GCMP_PN_LEN); else memset(cc->pn, 0, IEEE80211_GCMP_PN_LEN); cc->key_set = true; } break; case WMI_KEY_USE_RX_GROUP: cc = &cs->group_crypto_rx.key_id[key_index]; if (params->seq) memcpy(cc->pn, params->seq, IEEE80211_GCMP_PN_LEN); else memset(cc->pn, 0, IEEE80211_GCMP_PN_LEN); cc->key_set = true; break; default: break; } } static void wil_del_rx_key(u8 key_index, enum wmi_key_usage key_usage, struct wil_sta_info *cs) { struct wil_tid_crypto_rx_single *cc; int tid; if (!cs) return; switch (key_usage) { case WMI_KEY_USE_PAIRWISE: for (tid = 0; tid < WIL_STA_TID_NUM; tid++) { cc = &cs->tid_crypto_rx[tid].key_id[key_index]; cc->key_set = false; } break; case WMI_KEY_USE_RX_GROUP: cc = &cs->group_crypto_rx.key_id[key_index]; cc->key_set = false; break; default: break; } } static int wil_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev, u8 key_index, bool pairwise, const u8 *mac_addr, struct key_params *params) { int rc; struct wil6210_priv *wil = wiphy_to_wil(wiphy); enum wmi_key_usage key_usage = wil_detect_key_usage(wil, pairwise); struct wil_sta_info *cs = wil_find_sta_by_key_usage(wil, key_usage, mac_addr); if (!params) { wil_err(wil, "NULL params\n"); return -EINVAL; } wil_dbg_misc(wil, "add_key: %pM %s[%d] PN %*phN\n", mac_addr, key_usage_str[key_usage], key_index, params->seq_len, params->seq); if (IS_ERR(cs)) { wil_err(wil, "Not connected, %pM %s[%d] PN %*phN\n", mac_addr, key_usage_str[key_usage], key_index, params->seq_len, params->seq); return -EINVAL; } wil_del_rx_key(key_index, key_usage, cs); if (params->seq && params->seq_len != IEEE80211_GCMP_PN_LEN) { wil_err(wil, "Wrong PN len %d, %pM %s[%d] PN %*phN\n", params->seq_len, mac_addr, key_usage_str[key_usage], key_index, params->seq_len, params->seq); return -EINVAL; } rc = wmi_add_cipher_key(wil, key_index, mac_addr, params->key_len, params->key, key_usage); if (!rc) wil_set_crypto_rx(key_index, key_usage, cs, params); return rc; } static int wil_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev, u8 key_index, bool pairwise, const u8 *mac_addr) { struct wil6210_priv *wil = wiphy_to_wil(wiphy); enum wmi_key_usage key_usage = wil_detect_key_usage(wil, pairwise); struct wil_sta_info *cs = wil_find_sta_by_key_usage(wil, key_usage, mac_addr); wil_dbg_misc(wil, "del_key: %pM %s[%d]\n", mac_addr, key_usage_str[key_usage], key_index); if (IS_ERR(cs)) wil_info(wil, "Not connected, %pM %s[%d]\n", mac_addr, key_usage_str[key_usage], key_index); if (!IS_ERR_OR_NULL(cs)) wil_del_rx_key(key_index, key_usage, cs); return wmi_del_cipher_key(wil, key_index, mac_addr, key_usage); } /* Need to be present or wiphy_new() will WARN */ static int wil_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *ndev, u8 key_index, bool unicast, bool multicast) { struct wil6210_priv *wil = wiphy_to_wil(wiphy); wil_dbg_misc(wil, "set_default_key: entered\n"); return 0; } static int wil_remain_on_channel(struct wiphy *wiphy, struct wireless_dev *wdev, struct ieee80211_channel *chan, unsigned int duration, u64 *cookie) { struct wil6210_priv *wil = wiphy_to_wil(wiphy); int rc; wil_dbg_misc(wil, "remain_on_channel: center_freq=%d, duration=%d iftype=%d\n", chan->center_freq, duration, wdev->iftype); rc = wil_p2p_listen(wil, wdev, duration, chan, cookie); return rc; } static int wil_cancel_remain_on_channel(struct wiphy *wiphy, struct wireless_dev *wdev, u64 cookie) { struct wil6210_priv *wil = wiphy_to_wil(wiphy); wil_dbg_misc(wil, "cancel_remain_on_channel\n"); return wil_p2p_cancel_listen(wil, cookie); } /** * find a specific IE in a list of IEs * return a pointer to the beginning of IE in the list * or NULL if not found */ static const u8 *_wil_cfg80211_find_ie(const u8 *ies, u16 ies_len, const u8 *ie, u16 ie_len) { struct ieee80211_vendor_ie *vie; u32 oui; /* IE tag at offset 0, length at offset 1 */ if (ie_len < 2 || 2 + ie[1] > ie_len) return NULL; if (ie[0] != WLAN_EID_VENDOR_SPECIFIC) return cfg80211_find_ie(ie[0], ies, ies_len); /* make sure there is room for 3 bytes OUI + 1 byte OUI type */ if (ie[1] < 4) return NULL; vie = (struct ieee80211_vendor_ie *)ie; oui = vie->oui[0] << 16 | vie->oui[1] << 8 | vie->oui[2]; return cfg80211_find_vendor_ie(oui, vie->oui_type, ies, ies_len); } /** * merge the IEs in two lists into a single list. * do not include IEs from the second list which exist in the first list. * add only vendor specific IEs from second list to keep * the merged list sorted (since vendor-specific IE has the * highest tag number) * caller must free the allocated memory for merged IEs */ static int _wil_cfg80211_merge_extra_ies(const u8 *ies1, u16 ies1_len, const u8 *ies2, u16 ies2_len, u8 **merged_ies, u16 *merged_len) { u8 *buf, *dpos; const u8 *spos; if (ies1_len == 0 && ies2_len == 0) { *merged_ies = NULL; *merged_len = 0; return 0; } buf = kmalloc(ies1_len + ies2_len, GFP_KERNEL); if (!buf) return -ENOMEM; memcpy(buf, ies1, ies1_len); dpos = buf + ies1_len; spos = ies2; while (spos + 1 < ies2 + ies2_len) { /* IE tag at offset 0, length at offset 1 */ u16 ielen = 2 + spos[1]; if (spos + ielen > ies2 + ies2_len) break; if (spos[0] == WLAN_EID_VENDOR_SPECIFIC && !_wil_cfg80211_find_ie(ies1, ies1_len, spos, ielen)) { memcpy(dpos, spos, ielen); dpos += ielen; } spos += ielen; } *merged_ies = buf; *merged_len = dpos - buf; return 0; } static void wil_print_bcon_data(struct cfg80211_beacon_data *b) { wil_hex_dump_misc("head ", DUMP_PREFIX_OFFSET, 16, 1, b->head, b->head_len, true); wil_hex_dump_misc("tail ", DUMP_PREFIX_OFFSET, 16, 1, b->tail, b->tail_len, true); wil_hex_dump_misc("BCON IE ", DUMP_PREFIX_OFFSET, 16, 1, b->beacon_ies, b->beacon_ies_len, true); wil_hex_dump_misc("PROBE ", DUMP_PREFIX_OFFSET, 16, 1, b->probe_resp, b->probe_resp_len, true); wil_hex_dump_misc("PROBE IE ", DUMP_PREFIX_OFFSET, 16, 1, b->proberesp_ies, b->proberesp_ies_len, true); wil_hex_dump_misc("ASSOC IE ", DUMP_PREFIX_OFFSET, 16, 1, b->assocresp_ies, b->assocresp_ies_len, true); } /* internal functions for device reset and starting AP */ static int _wil_cfg80211_set_ies(struct wiphy *wiphy, struct cfg80211_beacon_data *bcon) { int rc; struct wil6210_priv *wil = wiphy_to_wil(wiphy); u16 len = 0, proberesp_len = 0; u8 *ies = NULL, *proberesp = NULL; if (bcon->probe_resp) { struct ieee80211_mgmt *f = (struct ieee80211_mgmt *)bcon->probe_resp; size_t hlen = offsetof(struct ieee80211_mgmt, u.probe_resp.variable); proberesp = f->u.probe_resp.variable; proberesp_len = bcon->probe_resp_len - hlen; } rc = _wil_cfg80211_merge_extra_ies(proberesp, proberesp_len, bcon->proberesp_ies, bcon->proberesp_ies_len, &ies, &len); if (rc) goto out; rc = wmi_set_ie(wil, WMI_FRAME_PROBE_RESP, len, ies); if (rc) goto out; if (bcon->assocresp_ies) rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_RESP, bcon->assocresp_ies_len, bcon->assocresp_ies); else rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_RESP, len, ies); #if 0 /* to use beacon IE's, remove this #if 0 */ if (rc) goto out; rc = wmi_set_ie(wil, WMI_FRAME_BEACON, bcon->tail_len, bcon->tail); #endif out: kfree(ies); return rc; } static int _wil_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev, const u8 *ssid, size_t ssid_len, u32 privacy, int bi, u8 chan, struct cfg80211_beacon_data *bcon, u8 hidden_ssid, u32 pbss) { struct wil6210_priv *wil = wiphy_to_wil(wiphy); int rc; struct wireless_dev *wdev = ndev->ieee80211_ptr; u8 wmi_nettype = wil_iftype_nl2wmi(wdev->iftype); u8 is_go = (wdev->iftype == NL80211_IFTYPE_P2P_GO); if (pbss) wmi_nettype = WMI_NETTYPE_P2P; wil_dbg_misc(wil, "start_ap: is_go=%d\n", is_go); if (is_go && !pbss) { wil_err(wil, "P2P GO must be in PBSS\n"); return -ENOTSUPP; } wil_set_recovery_state(wil, fw_recovery_idle); mutex_lock(&wil->mutex); __wil_down(wil); rc = __wil_up(wil); if (rc) goto out; rc = wmi_set_ssid(wil, ssid_len, ssid); if (rc) goto out; rc = _wil_cfg80211_set_ies(wiphy, bcon); if (rc) goto out; wil->privacy = privacy; wil->channel = chan; wil->hidden_ssid = hidden_ssid; wil->pbss = pbss; netif_carrier_on(ndev); wil6210_bus_request(wil, WIL_MAX_BUS_REQUEST_KBPS); rc = wmi_pcp_start(wil, bi, wmi_nettype, chan, hidden_ssid, is_go); if (rc) goto err_pcp_start; rc = wil_bcast_init(wil); if (rc) goto err_bcast; goto out; /* success */ err_bcast: wmi_pcp_stop(wil); err_pcp_start: netif_carrier_off(ndev); wil6210_bus_request(wil, WIL_DEFAULT_BUS_REQUEST_KBPS); out: mutex_unlock(&wil->mutex); return rc; } static int wil_cfg80211_change_beacon(struct wiphy *wiphy, struct net_device *ndev, struct cfg80211_beacon_data *bcon) { struct wil6210_priv *wil = wiphy_to_wil(wiphy); int rc; u32 privacy = 0; wil_dbg_misc(wil, "change_beacon\n"); wil_print_bcon_data(bcon); if (bcon->tail && cfg80211_find_ie(WLAN_EID_RSN, bcon->tail, bcon->tail_len)) privacy = 1; /* in case privacy has changed, need to restart the AP */ if (wil->privacy != privacy) { struct wireless_dev *wdev = ndev->ieee80211_ptr; wil_dbg_misc(wil, "privacy changed %d=>%d. Restarting AP\n", wil->privacy, privacy); rc = _wil_cfg80211_start_ap(wiphy, ndev, wdev->ssid, wdev->ssid_len, privacy, wdev->beacon_interval, wil->channel, bcon, wil->hidden_ssid, wil->pbss); } else { rc = _wil_cfg80211_set_ies(wiphy, bcon); } return rc; } static int wil_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev, struct cfg80211_ap_settings *info) { int rc; struct wil6210_priv *wil = wiphy_to_wil(wiphy); struct ieee80211_channel *channel = info->chandef.chan; struct cfg80211_beacon_data *bcon = &info->beacon; struct cfg80211_crypto_settings *crypto = &info->crypto; u8 hidden_ssid; wil_dbg_misc(wil, "start_ap\n"); if (!channel) { wil_err(wil, "AP: No channel???\n"); return -EINVAL; } switch (info->hidden_ssid) { case NL80211_HIDDEN_SSID_NOT_IN_USE: hidden_ssid = WMI_HIDDEN_SSID_DISABLED; break; case NL80211_HIDDEN_SSID_ZERO_LEN: hidden_ssid = WMI_HIDDEN_SSID_SEND_EMPTY; break; case NL80211_HIDDEN_SSID_ZERO_CONTENTS: hidden_ssid = WMI_HIDDEN_SSID_CLEAR; break; default: wil_err(wil, "AP: Invalid hidden SSID %d\n", info->hidden_ssid); return -EOPNOTSUPP; } wil_dbg_misc(wil, "AP on Channel %d %d MHz, %s\n", channel->hw_value, channel->center_freq, info->privacy ? "secure" : "open"); wil_dbg_misc(wil, "Privacy: %d auth_type %d\n", info->privacy, info->auth_type); wil_dbg_misc(wil, "Hidden SSID mode: %d\n", info->hidden_ssid); wil_dbg_misc(wil, "BI %d DTIM %d\n", info->beacon_interval, info->dtim_period); wil_dbg_misc(wil, "PBSS %d\n", info->pbss); wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1, info->ssid, info->ssid_len, true); wil_print_bcon_data(bcon); wil_print_crypto(wil, crypto); rc = _wil_cfg80211_start_ap(wiphy, ndev, info->ssid, info->ssid_len, info->privacy, info->beacon_interval, channel->hw_value, bcon, hidden_ssid, info->pbss); return rc; } static int wil_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *ndev) { struct wil6210_priv *wil = wiphy_to_wil(wiphy); wil_dbg_misc(wil, "stop_ap\n"); netif_carrier_off(ndev); wil6210_bus_request(wil, WIL_DEFAULT_BUS_REQUEST_KBPS); wil_set_recovery_state(wil, fw_recovery_idle); set_bit(wil_status_resetting, wil->status); mutex_lock(&wil->mutex); wmi_pcp_stop(wil); __wil_down(wil); mutex_unlock(&wil->mutex); return 0; } static int wil_cfg80211_add_station(struct wiphy *wiphy, struct net_device *dev, const u8 *mac, struct station_parameters *params) { struct wil6210_priv *wil = wiphy_to_wil(wiphy); wil_dbg_misc(wil, "add station %pM aid %d\n", mac, params->aid); if (!disable_ap_sme) { wil_err(wil, "not supported with AP SME enabled\n"); return -EOPNOTSUPP; } if (params->aid > WIL_MAX_DMG_AID) { wil_err(wil, "invalid aid\n"); return -EINVAL; } return wmi_new_sta(wil, mac, params->aid); } static int wil_cfg80211_del_station(struct wiphy *wiphy, struct net_device *dev, struct station_del_parameters *params) { struct wil6210_priv *wil = wiphy_to_wil(wiphy); wil_dbg_misc(wil, "del_station: %pM, reason=%d\n", params->mac, params->reason_code); mutex_lock(&wil->mutex); wil6210_disconnect(wil, params->mac, params->reason_code, false); mutex_unlock(&wil->mutex); return 0; } static int wil_cfg80211_change_station(struct wiphy *wiphy, struct net_device *dev, const u8 *mac, struct station_parameters *params) { struct wil6210_priv *wil = wiphy_to_wil(wiphy); int authorize; int cid, i; struct vring_tx_data *txdata = NULL; wil_dbg_misc(wil, "change station %pM mask 0x%x set 0x%x\n", mac, params->sta_flags_mask, params->sta_flags_set); if (!disable_ap_sme) { wil_dbg_misc(wil, "not supported with AP SME enabled\n"); return -EOPNOTSUPP; } if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))) return 0; cid = wil_find_cid(wil, mac); if (cid < 0) { wil_err(wil, "station not found\n"); return -ENOLINK; } for (i = 0; i < ARRAY_SIZE(wil->vring2cid_tid); i++) if (wil->vring2cid_tid[i][0] == cid) { txdata = &wil->vring_tx_data[i]; break; } if (!txdata) { wil_err(wil, "vring data not found\n"); return -ENOLINK; } authorize = params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED); txdata->dot1x_open = authorize ? 1 : 0; wil_dbg_misc(wil, "cid %d vring %d authorize %d\n", cid, i, txdata->dot1x_open); return 0; } /* probe_client handling */ static void wil_probe_client_handle(struct wil6210_priv *wil, struct wil_probe_client_req *req) { struct net_device *ndev = wil_to_ndev(wil); struct wil_sta_info *sta = &wil->sta[req->cid]; /* assume STA is alive if it is still connected, * else FW will disconnect it */ bool alive = (sta->status == wil_sta_connected); cfg80211_probe_status(ndev, sta->addr, req->cookie, alive, GFP_KERNEL); } static struct list_head *next_probe_client(struct wil6210_priv *wil) { struct list_head *ret = NULL; mutex_lock(&wil->probe_client_mutex); if (!list_empty(&wil->probe_client_pending)) { ret = wil->probe_client_pending.next; list_del(ret); } mutex_unlock(&wil->probe_client_mutex); return ret; } void wil_probe_client_worker(struct work_struct *work) { struct wil6210_priv *wil = container_of(work, struct wil6210_priv, probe_client_worker); struct wil_probe_client_req *req; struct list_head *lh; while ((lh = next_probe_client(wil)) != NULL) { req = list_entry(lh, struct wil_probe_client_req, list); wil_probe_client_handle(wil, req); kfree(req); } } void wil_probe_client_flush(struct wil6210_priv *wil) { struct wil_probe_client_req *req, *t; wil_dbg_misc(wil, "probe_client_flush\n"); mutex_lock(&wil->probe_client_mutex); list_for_each_entry_safe(req, t, &wil->probe_client_pending, list) { list_del(&req->list); kfree(req); } mutex_unlock(&wil->probe_client_mutex); } static int wil_cfg80211_probe_client(struct wiphy *wiphy, struct net_device *dev, const u8 *peer, u64 *cookie) { struct wil6210_priv *wil = wiphy_to_wil(wiphy); struct wil_probe_client_req *req; int cid = wil_find_cid(wil, peer); wil_dbg_misc(wil, "probe_client: %pM => CID %d\n", peer, cid); if (cid < 0) return -ENOLINK; req = kzalloc(sizeof(*req), GFP_KERNEL); if (!req) return -ENOMEM; req->cid = cid; req->cookie = cid; mutex_lock(&wil->probe_client_mutex); list_add_tail(&req->list, &wil->probe_client_pending); mutex_unlock(&wil->probe_client_mutex); *cookie = req->cookie; queue_work(wil->wq_service, &wil->probe_client_worker); return 0; } static int wil_cfg80211_change_bss(struct wiphy *wiphy, struct net_device *dev, struct bss_parameters *params) { struct wil6210_priv *wil = wiphy_to_wil(wiphy); if (params->ap_isolate >= 0) { wil_dbg_misc(wil, "change_bss: ap_isolate %d => %d\n", wil->ap_isolate, params->ap_isolate); wil->ap_isolate = params->ap_isolate; } return 0; } static int wil_cfg80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, bool enabled, int timeout) { struct wil6210_priv *wil = wiphy_to_wil(wiphy); enum wmi_ps_profile_type ps_profile; wil_dbg_misc(wil, "enabled=%d, timeout=%d\n", enabled, timeout); if (enabled) ps_profile = WMI_PS_PROFILE_TYPE_DEFAULT; else ps_profile = WMI_PS_PROFILE_TYPE_PS_DISABLED; return wil_ps_update(wil, ps_profile); } static int wil_cfg80211_suspend(struct wiphy *wiphy, struct cfg80211_wowlan *wow) { struct wil6210_priv *wil = wiphy_to_wil(wiphy); int rc; /* Setting the wakeup trigger based on wow is TBD */ if (test_bit(wil_status_suspended, wil->status)) { wil_dbg_pm(wil, "trying to suspend while suspended\n"); return 0; } rc = wil_can_suspend(wil, false); if (rc) goto out; wil_dbg_pm(wil, "suspending\n"); mutex_lock(&wil->mutex); mutex_lock(&wil->p2p_wdev_mutex); wil_p2p_stop_radio_operations(wil); wil_abort_scan(wil, true); mutex_unlock(&wil->p2p_wdev_mutex); mutex_unlock(&wil->mutex); out: return rc; } static int wil_cfg80211_resume(struct wiphy *wiphy) { struct wil6210_priv *wil = wiphy_to_wil(wiphy); wil_dbg_pm(wil, "resuming\n"); return 0; } static int wil_cfg80211_sched_scan_start(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_sched_scan_request *request) { struct wil6210_priv *wil = wiphy_to_wil(wiphy); int i, rc; wil_dbg_misc(wil, "sched scan start: n_ssids %d, ie_len %zu, flags 0x%x\n", request->n_ssids, request->ie_len, request->flags); for (i = 0; i < request->n_ssids; i++) { wil_dbg_misc(wil, "SSID[%d]:", i); wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1, request->ssids[i].ssid, request->ssids[i].ssid_len, true); } wil_dbg_misc(wil, "channels:"); for (i = 0; i < request->n_channels; i++) wil_dbg_misc(wil, " %d%s", request->channels[i]->hw_value, i == request->n_channels - 1 ? "\n" : ""); wil_dbg_misc(wil, "n_match_sets %d, min_rssi_thold %d, delay %d\n", request->n_match_sets, request->min_rssi_thold, request->delay); for (i = 0; i < request->n_match_sets; i++) { struct cfg80211_match_set *ms = &request->match_sets[i]; wil_dbg_misc(wil, "MATCHSET[%d]: rssi_thold %d\n", i, ms->rssi_thold); wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1, ms->ssid.ssid, ms->ssid.ssid_len, true); } wil_dbg_misc(wil, "n_scan_plans %d\n", request->n_scan_plans); for (i = 0; i < request->n_scan_plans; i++) { struct cfg80211_sched_scan_plan *sp = &request->scan_plans[i]; wil_dbg_misc(wil, "SCAN PLAN[%d]: interval %d iterations %d\n", i, sp->interval, sp->iterations); } rc = wmi_set_ie(wil, WMI_FRAME_PROBE_REQ, request->ie_len, request->ie); if (rc) return rc; return wmi_start_sched_scan(wil, request); } static int wil_cfg80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev, u64 reqid) { struct wil6210_priv *wil = wiphy_to_wil(wiphy); int rc; rc = wmi_stop_sched_scan(wil); /* device would return error if it thinks PNO is already stopped. * ignore the return code so user space and driver gets back in-sync */ wil_dbg_misc(wil, "sched scan stopped (%d)\n", rc); return 0; } static const struct cfg80211_ops wil_cfg80211_ops = { .add_virtual_intf = wil_cfg80211_add_iface, .del_virtual_intf = wil_cfg80211_del_iface, .scan = wil_cfg80211_scan, .abort_scan = wil_cfg80211_abort_scan, .connect = wil_cfg80211_connect, .disconnect = wil_cfg80211_disconnect, .set_wiphy_params = wil_cfg80211_set_wiphy_params, .change_virtual_intf = wil_cfg80211_change_iface, .get_station = wil_cfg80211_get_station, .dump_station = wil_cfg80211_dump_station, .remain_on_channel = wil_remain_on_channel, .cancel_remain_on_channel = wil_cancel_remain_on_channel, .mgmt_tx = wil_cfg80211_mgmt_tx, .set_monitor_channel = wil_cfg80211_set_channel, .add_key = wil_cfg80211_add_key, .del_key = wil_cfg80211_del_key, .set_default_key = wil_cfg80211_set_default_key, /* AP mode */ .change_beacon = wil_cfg80211_change_beacon, .start_ap = wil_cfg80211_start_ap, .stop_ap = wil_cfg80211_stop_ap, .add_station = wil_cfg80211_add_station, .del_station = wil_cfg80211_del_station, .change_station = wil_cfg80211_change_station, .probe_client = wil_cfg80211_probe_client, .change_bss = wil_cfg80211_change_bss, /* P2P device */ .start_p2p_device = wil_cfg80211_start_p2p_device, .stop_p2p_device = wil_cfg80211_stop_p2p_device, .set_power_mgmt = wil_cfg80211_set_power_mgmt, .suspend = wil_cfg80211_suspend, .resume = wil_cfg80211_resume, .sched_scan_start = wil_cfg80211_sched_scan_start, .sched_scan_stop = wil_cfg80211_sched_scan_stop, }; static void wil_wiphy_init(struct wiphy *wiphy) { wiphy->max_scan_ssids = 1; wiphy->max_scan_ie_len = WMI_MAX_IE_LEN; wiphy->max_remain_on_channel_duration = WIL_MAX_ROC_DURATION_MS; wiphy->max_num_pmkids = 0 /* TODO: */; wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_AP) | BIT(NL80211_IFTYPE_P2P_CLIENT) | BIT(NL80211_IFTYPE_P2P_GO) | BIT(NL80211_IFTYPE_P2P_DEVICE) | BIT(NL80211_IFTYPE_MONITOR); wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD | WIPHY_FLAG_PS_ON_BY_DEFAULT; if (!disable_ap_sme) wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME; dev_dbg(wiphy_dev(wiphy), "%s : flags = 0x%08x\n", __func__, wiphy->flags); wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; wiphy->bands[IEEE80211_BAND_60GHZ] = &wil_band_60ghz; /* may change after reading FW capabilities */ wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC; wiphy->cipher_suites = wil_cipher_suites; wiphy->n_cipher_suites = ARRAY_SIZE(wil_cipher_suites); wiphy->mgmt_stypes = wil_mgmt_stypes; wiphy->features |= NL80211_FEATURE_SK_TX_STATUS; wiphy->n_vendor_commands = ARRAY_SIZE(wil_nl80211_vendor_commands); wiphy->vendor_commands = wil_nl80211_vendor_commands; wiphy->vendor_events = wil_nl80211_vendor_events; wiphy->n_vendor_events = ARRAY_SIZE(wil_nl80211_vendor_events); #ifdef CONFIG_PM wiphy->wowlan = &wil_wowlan_support; #endif } struct wireless_dev *wil_cfg80211_init(struct device *dev) { int rc = 0; struct wireless_dev *wdev; dev_dbg(dev, "%s()\n", __func__); wdev = kzalloc(sizeof(*wdev), GFP_KERNEL); if (!wdev) return ERR_PTR(-ENOMEM); wdev->wiphy = wiphy_new(&wil_cfg80211_ops, sizeof(struct wil6210_priv)); if (!wdev->wiphy) { rc = -ENOMEM; goto out; } set_wiphy_dev(wdev->wiphy, dev); wil_wiphy_init(wdev->wiphy); return wdev; out: kfree(wdev); return ERR_PTR(rc); } void wil_wdev_free(struct wil6210_priv *wil) { struct wireless_dev *wdev = wil_to_wdev(wil); dev_dbg(wil_to_dev(wil), "%s()\n", __func__); if (!wdev) return; wiphy_free(wdev->wiphy); kfree(wdev); } void wil_p2p_wdev_free(struct wil6210_priv *wil) { struct wireless_dev *p2p_wdev; mutex_lock(&wil->p2p_wdev_mutex); p2p_wdev = wil->p2p_wdev; wil->p2p_wdev = NULL; wil->radio_wdev = wil_to_wdev(wil); mutex_unlock(&wil->p2p_wdev_mutex); if (p2p_wdev) { cfg80211_unregister_wdev(p2p_wdev); kfree(p2p_wdev); } } static int wil_start_acs_survey(struct wil6210_priv *wil, uint dwell_time, struct ieee80211_channel *channels, u8 num_channels) { int rc, i; struct { struct wmi_start_scan_cmd cmd; struct { u8 channel; u8 reserved; } channel_list[4]; } __packed scan_cmd = { .cmd = { .scan_type = WMI_PASSIVE_SCAN, .dwell_time = cpu_to_le32(dwell_time), .num_channels = min_t(u8, num_channels, ARRAY_SIZE(wil_60ghz_channels)), }, }; wil->survey_ready = false; memset(&wil->survey_reply, 0, sizeof(wil->survey_reply)); for (i = 0; i < scan_cmd.cmd.num_channels; i++) { u8 ch = channels[i].hw_value; if (ch == 0) { wil_err(wil, "ACS requested for wrong channel\n"); return -EINVAL; } wil_dbg_misc(wil, "ACS channel %d : %d MHz\n", ch, channels[i].center_freq); scan_cmd.channel_list[i].channel = ch - 1; } /* send scan command with the requested channel and wait * for results */ rc = wmi_send(wil, WMI_START_SCAN_CMDID, &scan_cmd, sizeof(scan_cmd)); if (rc) { wil_err(wil, "ACS passive Scan failed (0x%08x)\n", rc); return rc; } if (wait_event_interruptible_timeout( wil->wq, wil->survey_ready, msecs_to_jiffies(WMI_SURVEY_TIMEOUT_MS)) < 0) { wil_err(wil, "ACS survey interrupted\n"); return -ERESTARTSYS; } if (!wil->survey_ready) { wil_err(wil, "ACS survey time out\n"); return -ETIME; } if (wil->survey_reply.evt.status != WMI_SCAN_SUCCESS) { wil_err(wil, "ACS survey failed, status (%d)\n", wil->survey_reply.evt.status); return -EINVAL; } /* The results in survey_reply */ wil_dbg_misc(wil, "ACS scan success, filled mask: 0x%08X\n", le16_to_cpu(wil->survey_reply.evt.filled)); return 0; } static u8 wil_acs_calc_channel(struct wil6210_priv *wil) { int i, best_channel = ACS_DEFAULT_BEST_CHANNEL - 1; struct scan_acs_info *ch; u64 dwell_time = le32_to_cpu(wil->survey_reply.evt.dwell_time); u16 filled = le16_to_cpu(wil->survey_reply.evt.filled); u8 num_channels = wil->survey_reply.evt.num_scanned_channels; u64 busy_time, tx_time; u64 min_i_ch = (u64)-1, cur_i_ch; u8 p_min = 0, ch_noise; wil_dbg_misc(wil, "acs_calc_channel: filled info: 0x%04X, for %u channels\n", filled, num_channels); if (!num_channels) { wil_err(wil, "received results with no channel info\n"); return 0; } /* find P_min */ if (filled & WMI_ACS_INFO_BITMASK_NOISE) { p_min = wil->survey_reply.ch_info[0].noise; for (i = 1; i < num_channels; i++) p_min = min(p_min, wil->survey_reply.ch_info[i].noise); } wil_dbg_misc(wil, "acs_calc_channel: p_min is %u\n", p_min); /* Choosing channel according to the following formula: * 16 bit fixed point math * I_ch = { [ (T_busy - T_tx) << 16 ] / * (T_dwell - T_tx) } * 2^(P_rx - P_min) */ for (i = 0; i < num_channels; i++) { ch = &wil->survey_reply.ch_info[i]; if (ch->channel > 3) { wil_err(wil, "invalid channel number %d\n", ch->channel + 1); continue; } busy_time = filled & WMI_ACS_INFO_BITMASK_BUSY_TIME ? le16_to_cpu(ch->busy_time) : 0; tx_time = filled & WMI_ACS_INFO_BITMASK_TX_TIME ? le16_to_cpu(ch->tx_time) : 0; ch_noise = filled & WMI_ACS_INFO_BITMASK_NOISE ? ch->noise : 0; wil_dbg_misc(wil, "acs_calc_channel: Ch[%d]: busy %llu, tx %llu, noise %u, dwell %llu\n", ch->channel + 1, busy_time, tx_time, ch_noise, dwell_time); if (dwell_time == tx_time) { wil_err(wil, "Ch[%d] dwell_time == tx_time: %llu\n", ch->channel + 1, dwell_time); continue; } cur_i_ch = (busy_time - tx_time) << 16; do_div(cur_i_ch, ((dwell_time - tx_time) << (ch_noise - p_min))); /* Apply channel priority */ cur_i_ch = (cur_i_ch + ACS_CH_NOISE_INIT_VAL) * acs_ch_weight[ch->channel]; do_div(cur_i_ch, 100); wil_dbg_misc(wil, "acs_calc_channel: Ch[%d] w %u, I_ch %llu\n", ch->channel + 1, acs_ch_weight[ch->channel], cur_i_ch); if (i == 0 || cur_i_ch < min_i_ch) { min_i_ch = cur_i_ch; best_channel = ch->channel; } } wil_dbg_misc(wil, "acs_calc_channel: best channel %d with I_ch of %llu\n", best_channel + 1, min_i_ch); return best_channel; } static void wil_acs_report_channel(struct wil6210_priv *wil) { struct sk_buff *vendor_event; int ret_val; struct nlattr *nla; u8 channel = wil_acs_calc_channel(wil); vendor_event = cfg80211_vendor_event_alloc( wil_to_wiphy(wil), NULL, 2 * sizeof(u8) + 4 + NLMSG_HDRLEN, QCA_NL80211_VENDOR_EVENT_DO_ACS_INDEX, GFP_KERNEL); if (!vendor_event) { wil_err(wil, "cfg80211_vendor_event_alloc failed\n"); return; } /* Send the IF INDEX to differentiate the ACS event for each interface * TODO: To be update once cfg80211 APIs are updated to accept if_index */ nla_nest_cancel(vendor_event, ((void **)vendor_event->cb)[2]); ret_val = nla_put_u32(vendor_event, NL80211_ATTR_IFINDEX, wil_to_ndev(wil)->ifindex); if (ret_val) { wil_err(wil, "NL80211_ATTR_IFINDEX put fail\n"); kfree_skb(vendor_event); return; } nla = nla_nest_start(vendor_event, NL80211_ATTR_VENDOR_DATA); ((void **)vendor_event->cb)[2] = nla; /* channel indices used by fw are zero based and those used upper * layers are 1 based: must add 1 */ ret_val = nla_put_u8(vendor_event, QCA_WLAN_VENDOR_ATTR_ACS_PRIMARY_CHANNEL, channel + 1); if (ret_val) { wil_err(wil, "QCA_WLAN_VENDOR_ATTR_ACS_PRIMARY_CHANNEL put fail\n"); kfree_skb(vendor_event); return; } /* must report secondary channel always, 0 is harmless*/ ret_val = nla_put_u8(vendor_event, QCA_WLAN_VENDOR_ATTR_ACS_SECONDARY_CHANNEL, 0); if (ret_val) { wil_err(wil, "QCA_WLAN_VENDOR_ATTR_ACS_SECONDARY_CHANNEL put fail\n"); kfree_skb(vendor_event); return; } cfg80211_vendor_event(vendor_event, GFP_KERNEL); } static int wil_do_acs(struct wiphy *wiphy, struct wireless_dev *wdev, const void *data, int data_len) { struct wil6210_priv *wil = wdev_to_wil(wdev); struct sk_buff *temp_skbuff; int rc; struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_ACS_MAX + 1]; u8 hw_mode; struct ieee80211_channel reg_channels[ARRAY_SIZE(wil_60ghz_channels)]; int num_channels; const struct ieee80211_reg_rule *reg_rule; int i; rc = nla_parse(tb, QCA_WLAN_VENDOR_ATTR_ACS_MAX, data, data_len, qca_wlan_acs_vendor_attr); if (rc) { wil_err(wil, "Invalid ATTR\n"); goto out; } if (!tb[QCA_WLAN_VENDOR_ATTR_ACS_HW_MODE]) { wil_err(wil, "Attr hw_mode failed\n"); goto out; } hw_mode = nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_ACS_HW_MODE]); if (hw_mode != QCA_ACS_MODE_IEEE80211AD) { wil_err(wil, "Illegal HW mode (%d), must be %d (11AD)\n", hw_mode, QCA_ACS_MODE_IEEE80211AD); goto out; } /* get list of channels allowed by regulatory */ num_channels = 0; for (i = 0; i < ARRAY_SIZE(wil_60ghz_channels); i++) { u32 ch_center_freq = MHZ_TO_KHZ(wil_60ghz_channels[i].center_freq); reg_rule = freq_reg_info(wiphy, ch_center_freq); if (IS_ERR(reg_rule)) { wil_dbg_misc(wil, "do_acs: channel %d (%d) reg db err %ld\n", wil_60ghz_channels[i].hw_value, wil_60ghz_channels[i].center_freq, PTR_ERR(reg_rule)); continue; } /* we assume if active scan allowed, we can use the * channel to start AP on it */ if (!(reg_rule->flags & NL80211_RRF_PASSIVE_SCAN)) { reg_channels[num_channels] = wil_60ghz_channels[i]; num_channels++; wil_dbg_misc(wil, "do_acs: Adding ch %d to ACS scan\n", wil_60ghz_channels[i].hw_value); } else { wil_dbg_misc(wil, "do_acs: channel %d (%d) can't be used: 0x%08X\n", wil_60ghz_channels[i].hw_value, wil_60ghz_channels[i].center_freq, reg_rule->flags); } } if (!num_channels) { wil_err(wil, "ACS aborted. Couldn't find channels allowed by regulatory\n"); rc = -EPERM; goto out; } /* start acs survey*/ rc = wil_start_acs_survey(wil, scan_dwell_time, reg_channels, num_channels); if (!rc) wil_acs_report_channel(wil); out: if (!rc) { temp_skbuff = cfg80211_vendor_cmd_alloc_reply_skb(wiphy, NLMSG_HDRLEN); if (temp_skbuff) return cfg80211_vendor_cmd_reply(temp_skbuff); } return rc; } static int wil_rf_sector_status_to_rc(u8 status) { switch (status) { case WMI_RF_SECTOR_STATUS_SUCCESS: return 0; case WMI_RF_SECTOR_STATUS_BAD_PARAMETERS_ERROR: return -EINVAL; case WMI_RF_SECTOR_STATUS_BUSY_ERROR: return -EAGAIN; case WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR: return -EOPNOTSUPP; default: return -EINVAL; } } static int wil_rf_sector_get_cfg(struct wiphy *wiphy, struct wireless_dev *wdev, const void *data, int data_len) { struct wil6210_priv *wil = wdev_to_wil(wdev); int rc; struct nlattr *tb[QCA_ATTR_WIL_MAX + 1]; u16 sector_index; u8 sector_type; u32 rf_modules_vec; struct wmi_get_rf_sector_params_cmd cmd; struct { struct wmi_cmd_hdr wmi; struct wmi_get_rf_sector_params_done_event evt; } __packed reply; struct sk_buff *msg; struct nlattr *nl_cfgs, *nl_cfg; u32 i; struct wmi_rf_sector_info *si; if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities)) return -EOPNOTSUPP; rc = nla_parse(tb, QCA_ATTR_WIL_MAX, data, data_len, wil_rf_sector_policy); if (rc) { wil_err(wil, "Invalid rf sector ATTR\n"); return rc; } if (!tb[QCA_ATTR_DMG_RF_SECTOR_INDEX] || !tb[QCA_ATTR_DMG_RF_SECTOR_TYPE] || !tb[QCA_ATTR_DMG_RF_MODULE_MASK]) { wil_err(wil, "Invalid rf sector spec\n"); return -EINVAL; } sector_index = nla_get_u16( tb[QCA_ATTR_DMG_RF_SECTOR_INDEX]); if (sector_index >= WIL_MAX_RF_SECTORS) { wil_err(wil, "Invalid sector index %d\n", sector_index); return -EINVAL; } sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]); if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) { wil_err(wil, "Invalid sector type %d\n", sector_type); return -EINVAL; } rf_modules_vec = nla_get_u32( tb[QCA_ATTR_DMG_RF_MODULE_MASK]); if (rf_modules_vec >= BIT(WMI_MAX_RF_MODULES_NUM)) { wil_err(wil, "Invalid rf module mask 0x%x\n", rf_modules_vec); return -EINVAL; } cmd.sector_idx = cpu_to_le16(sector_index); cmd.sector_type = sector_type; cmd.rf_modules_vec = rf_modules_vec & 0xFF; memset(&reply, 0, sizeof(reply)); rc = wmi_call(wil, WMI_GET_RF_SECTOR_PARAMS_CMDID, &cmd, sizeof(cmd), WMI_GET_RF_SECTOR_PARAMS_DONE_EVENTID, &reply, sizeof(reply), 500); if (rc) return rc; if (reply.evt.status) { wil_err(wil, "get rf sector cfg failed with status %d\n", reply.evt.status); return wil_rf_sector_status_to_rc(reply.evt.status); } msg = cfg80211_vendor_cmd_alloc_reply_skb( wiphy, 64 * WMI_MAX_RF_MODULES_NUM); if (!msg) return -ENOMEM; if (nla_put_u64(msg, QCA_ATTR_TSF, le64_to_cpu(reply.evt.tsf))) goto nla_put_failure; nl_cfgs = nla_nest_start(msg, QCA_ATTR_DMG_RF_SECTOR_CFG); if (!nl_cfgs) goto nla_put_failure; for (i = 0; i < WMI_MAX_RF_MODULES_NUM; i++) { if (!(rf_modules_vec & BIT(i))) continue; nl_cfg = nla_nest_start(msg, i); if (!nl_cfg) goto nla_put_failure; si = &reply.evt.sectors_info[i]; if (nla_put_u8(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX, i) || nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0, le32_to_cpu(si->etype0)) || nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1, le32_to_cpu(si->etype1)) || nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2, le32_to_cpu(si->etype2)) || nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI, le32_to_cpu(si->psh_hi)) || nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO, le32_to_cpu(si->psh_lo)) || nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16, le32_to_cpu(si->dtype_swch_off))) goto nla_put_failure; nla_nest_end(msg, nl_cfg); } nla_nest_end(msg, nl_cfgs); rc = cfg80211_vendor_cmd_reply(msg); return rc; nla_put_failure: kfree_skb(msg); return -ENOBUFS; } static int wil_rf_sector_set_cfg(struct wiphy *wiphy, struct wireless_dev *wdev, const void *data, int data_len) { struct wil6210_priv *wil = wdev_to_wil(wdev); int rc, tmp; struct nlattr *tb[QCA_ATTR_WIL_MAX + 1]; struct nlattr *tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_MAX + 1]; u16 sector_index, rf_module_index; u8 sector_type; u32 rf_modules_vec = 0; struct wmi_set_rf_sector_params_cmd cmd; struct { struct wmi_cmd_hdr wmi; struct wmi_set_rf_sector_params_done_event evt; } __packed reply; struct nlattr *nl_cfg; struct wmi_rf_sector_info *si; if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities)) return -EOPNOTSUPP; rc = nla_parse(tb, QCA_ATTR_WIL_MAX, data, data_len, wil_rf_sector_policy); if (rc) { wil_err(wil, "Invalid rf sector ATTR\n"); return rc; } if (!tb[QCA_ATTR_DMG_RF_SECTOR_INDEX] || !tb[QCA_ATTR_DMG_RF_SECTOR_TYPE] || !tb[QCA_ATTR_DMG_RF_SECTOR_CFG]) { wil_err(wil, "Invalid rf sector spec\n"); return -EINVAL; } sector_index = nla_get_u16( tb[QCA_ATTR_DMG_RF_SECTOR_INDEX]); if (sector_index >= WIL_MAX_RF_SECTORS) { wil_err(wil, "Invalid sector index %d\n", sector_index); return -EINVAL; } sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]); if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) { wil_err(wil, "Invalid sector type %d\n", sector_type); return -EINVAL; } memset(&cmd, 0, sizeof(cmd)); cmd.sector_idx = cpu_to_le16(sector_index); cmd.sector_type = sector_type; nla_for_each_nested(nl_cfg, tb[QCA_ATTR_DMG_RF_SECTOR_CFG], tmp) { rc = nla_parse_nested(tb2, QCA_ATTR_DMG_RF_SECTOR_CFG_MAX, nl_cfg, wil_rf_sector_cfg_policy); if (rc) { wil_err(wil, "invalid sector cfg\n"); return -EINVAL; } if (!tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX] || !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0] || !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1] || !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2] || !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI] || !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO] || !tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16]) { wil_err(wil, "missing cfg params\n"); return -EINVAL; } rf_module_index = nla_get_u8( tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX]); if (rf_module_index >= WMI_MAX_RF_MODULES_NUM) { wil_err(wil, "invalid RF module index %d\n", rf_module_index); return -EINVAL; } rf_modules_vec |= BIT(rf_module_index); si = &cmd.sectors_info[rf_module_index]; si->etype0 = cpu_to_le32(nla_get_u32( tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0])); si->etype1 = cpu_to_le32(nla_get_u32( tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1])); si->etype2 = cpu_to_le32(nla_get_u32( tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2])); si->psh_hi = cpu_to_le32(nla_get_u32( tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI])); si->psh_lo = cpu_to_le32(nla_get_u32( tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO])); si->dtype_swch_off = cpu_to_le32(nla_get_u32( tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16])); } cmd.rf_modules_vec = rf_modules_vec & 0xFF; memset(&reply, 0, sizeof(reply)); rc = wmi_call(wil, WMI_SET_RF_SECTOR_PARAMS_CMDID, &cmd, sizeof(cmd), WMI_SET_RF_SECTOR_PARAMS_DONE_EVENTID, &reply, sizeof(reply), 500); if (rc) return rc; return wil_rf_sector_status_to_rc(reply.evt.status); } static int wil_rf_sector_get_selected(struct wiphy *wiphy, struct wireless_dev *wdev, const void *data, int data_len) { struct wil6210_priv *wil = wdev_to_wil(wdev); int rc; struct nlattr *tb[QCA_ATTR_WIL_MAX + 1]; u8 sector_type, mac_addr[ETH_ALEN]; int cid = 0; struct wmi_get_selected_rf_sector_index_cmd cmd; struct { struct wmi_cmd_hdr wmi; struct wmi_get_selected_rf_sector_index_done_event evt; } __packed reply; struct sk_buff *msg; if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities)) return -EOPNOTSUPP; rc = nla_parse(tb, QCA_ATTR_WIL_MAX, data, data_len, wil_rf_sector_policy); if (rc) { wil_err(wil, "Invalid rf sector ATTR\n"); return rc; } if (!tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]) { wil_err(wil, "Invalid rf sector spec\n"); return -EINVAL; } sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]); if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) { wil_err(wil, "Invalid sector type %d\n", sector_type); return -EINVAL; } if (tb[QCA_ATTR_MAC_ADDR]) { ether_addr_copy(mac_addr, nla_data(tb[QCA_ATTR_MAC_ADDR])); cid = wil_find_cid(wil, mac_addr); if (cid < 0) { wil_err(wil, "invalid MAC address %pM\n", mac_addr); return -ENOENT; } } else { if (test_bit(wil_status_fwconnected, wil->status)) { wil_err(wil, "must specify MAC address when connected\n"); return -EINVAL; } } memset(&cmd, 0, sizeof(cmd)); cmd.cid = (u8)cid; cmd.sector_type = sector_type; memset(&reply, 0, sizeof(reply)); rc = wmi_call(wil, WMI_GET_SELECTED_RF_SECTOR_INDEX_CMDID, &cmd, sizeof(cmd), WMI_GET_SELECTED_RF_SECTOR_INDEX_DONE_EVENTID, &reply, sizeof(reply), 500); if (rc) return rc; if (reply.evt.status) { wil_err(wil, "get rf selected sector cfg failed with status %d\n", reply.evt.status); return wil_rf_sector_status_to_rc(reply.evt.status); } msg = cfg80211_vendor_cmd_alloc_reply_skb( wiphy, 64 * WMI_MAX_RF_MODULES_NUM); if (!msg) return -ENOMEM; if (nla_put_u64(msg, QCA_ATTR_TSF, le64_to_cpu(reply.evt.tsf)) || nla_put_u16(msg, QCA_ATTR_DMG_RF_SECTOR_INDEX, le16_to_cpu(reply.evt.sector_idx))) goto nla_put_failure; rc = cfg80211_vendor_cmd_reply(msg); return rc; nla_put_failure: kfree_skb(msg); return -ENOBUFS; } static int wil_rf_sector_wmi_set_selected(struct wil6210_priv *wil, u16 sector_index, u8 sector_type, u8 cid) { struct wmi_set_selected_rf_sector_index_cmd cmd; struct { struct wmi_cmd_hdr wmi; struct wmi_set_selected_rf_sector_index_done_event evt; } __packed reply; int rc; memset(&cmd, 0, sizeof(cmd)); cmd.sector_idx = cpu_to_le16(sector_index); cmd.sector_type = sector_type; cmd.cid = (u8)cid; memset(&reply, 0, sizeof(reply)); rc = wmi_call(wil, WMI_SET_SELECTED_RF_SECTOR_INDEX_CMDID, &cmd, sizeof(cmd), WMI_SET_SELECTED_RF_SECTOR_INDEX_DONE_EVENTID, &reply, sizeof(reply), 500); if (rc) return rc; return wil_rf_sector_status_to_rc(reply.evt.status); } static int wil_rf_sector_set_selected(struct wiphy *wiphy, struct wireless_dev *wdev, const void *data, int data_len) { struct wil6210_priv *wil = wdev_to_wil(wdev); int rc; struct nlattr *tb[QCA_ATTR_WIL_MAX + 1]; u16 sector_index; u8 sector_type, mac_addr[ETH_ALEN], i; int cid = 0; if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities)) return -EOPNOTSUPP; rc = nla_parse(tb, QCA_ATTR_WIL_MAX, data, data_len, wil_rf_sector_policy); if (rc) { wil_err(wil, "Invalid rf sector ATTR\n"); return rc; } if (!tb[QCA_ATTR_DMG_RF_SECTOR_INDEX] || !tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]) { wil_err(wil, "Invalid rf sector spec\n"); return -EINVAL; } sector_index = nla_get_u16( tb[QCA_ATTR_DMG_RF_SECTOR_INDEX]); if (sector_index >= WIL_MAX_RF_SECTORS && sector_index != WMI_INVALID_RF_SECTOR_INDEX) { wil_err(wil, "Invalid sector index %d\n", sector_index); return -EINVAL; } sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]); if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) { wil_err(wil, "Invalid sector type %d\n", sector_type); return -EINVAL; } if (tb[QCA_ATTR_MAC_ADDR]) { ether_addr_copy(mac_addr, nla_data(tb[QCA_ATTR_MAC_ADDR])); if (!is_broadcast_ether_addr(mac_addr)) { cid = wil_find_cid(wil, mac_addr); if (cid < 0) { wil_err(wil, "invalid MAC address %pM\n", mac_addr); return -ENOENT; } } else { if (sector_index != WMI_INVALID_RF_SECTOR_INDEX) { wil_err(wil, "broadcast MAC valid only with unlocking\n"); return -EINVAL; } cid = -1; } } else { if (test_bit(wil_status_fwconnected, wil->status)) { wil_err(wil, "must specify MAC address when connected\n"); return -EINVAL; } /* otherwise, using cid=0 for unassociated station */ } if (cid >= 0) { rc = wil_rf_sector_wmi_set_selected(wil, sector_index, sector_type, cid); } else { /* unlock all cids */ rc = wil_rf_sector_wmi_set_selected( wil, WMI_INVALID_RF_SECTOR_INDEX, sector_type, WIL_CID_ALL); if (rc == -EINVAL) { for (i = 0; i < WIL6210_MAX_CID; i++) { rc = wil_rf_sector_wmi_set_selected( wil, WMI_INVALID_RF_SECTOR_INDEX, sector_type, i); /* the FW will silently ignore and return * success for unused cid, so abort the loop * on any other error */ if (rc) { wil_err(wil, "unlock cid %d failed with status %d\n", i, rc); break; } } } } return rc; } static int wil_brp_wmi_set_ant_limit(struct wil6210_priv *wil, u8 cid, u8 limit_mode, u8 antenna_num_limit) { int rc; struct wmi_brp_set_ant_limit_cmd cmd = { .cid = cid, .limit_mode = limit_mode, .ant_limit = antenna_num_limit, }; struct { struct wmi_cmd_hdr wmi; struct wmi_brp_set_ant_limit_event evt; } __packed reply; reply.evt.status = WMI_FW_STATUS_FAILURE; rc = wmi_call(wil, WMI_BRP_SET_ANT_LIMIT_CMDID, &cmd, sizeof(cmd), WMI_BRP_SET_ANT_LIMIT_EVENTID, &reply, sizeof(reply), 250); if (rc) return rc; if (reply.evt.status != WMI_FW_STATUS_SUCCESS) { wil_err(wil, "brp set antenna limit failed with status %d\n", reply.evt.status); rc = -EINVAL; } return rc; } static int wil_brp_set_ant_limit(struct wiphy *wiphy, struct wireless_dev *wdev, const void *data, int data_len) { struct wil6210_priv *wil = wdev_to_wil(wdev); struct nlattr *tb[QCA_ATTR_WIL_MAX + 1]; u8 mac_addr[ETH_ALEN]; u8 antenna_num_limit = 0; u8 limit_mode; int cid = 0; int rc; if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities)) return -ENOTSUPP; rc = nla_parse(tb, QCA_ATTR_WIL_MAX, data, data_len, wil_brp_ant_limit_policy); if (rc) { wil_err(wil, "Invalid ant limit ATTR\n"); return rc; } if (!tb[QCA_ATTR_BRP_ANT_LIMIT_MODE] || !tb[QCA_ATTR_MAC_ADDR]) { wil_err(wil, "Invalid antenna limit spec\n"); return -EINVAL; } limit_mode = nla_get_u8(tb[QCA_ATTR_BRP_ANT_LIMIT_MODE]); if (limit_mode >= QCA_WLAN_VENDOR_ATTR_BRP_ANT_LIMIT_MODES_NUM) { wil_err(wil, "Invalid limit mode %d\n", limit_mode); return -EINVAL; } if (limit_mode != QCA_WLAN_VENDOR_ATTR_BRP_ANT_LIMIT_MODE_DISABLE) { if (!tb[QCA_ATTR_BRP_ANT_NUM_LIMIT]) { wil_err(wil, "Invalid limit number\n"); return -EINVAL; } antenna_num_limit = nla_get_u8(tb[QCA_ATTR_BRP_ANT_NUM_LIMIT]); if (antenna_num_limit > WIL_BRP_ANT_LIMIT_MAX || antenna_num_limit < WIL_BRP_ANT_LIMIT_MIN) { wil_err(wil, "Invalid number of antenna limit: %d\n", antenna_num_limit); return -EINVAL; } } ether_addr_copy(mac_addr, nla_data(tb[QCA_ATTR_MAC_ADDR])); cid = wil_find_cid(wil, mac_addr); if (cid < 0) { wil_err(wil, "invalid MAC address %pM\n", mac_addr); return -ENOENT; } return wil_brp_wmi_set_ant_limit(wil, cid, limit_mode, antenna_num_limit); }