--- zzzz-none-000/linux-3.10.107/drivers/net/wireless/ath/wil6210/cfg80211.c 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/drivers/net/wireless/ath/wil6210/cfg80211.c 2021-02-04 17:41:59.000000000 +0000 @@ -1,5 +1,6 @@ /* - * Copyright (c) 2012 Qualcomm Atheros, Inc. + * Copyright (c) 2012-2017 Qualcomm Atheros, Inc. + * Copyright (c) 2018, The Linux Foundation. All rights reserved. * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -14,8 +15,59 @@ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ +#include +#include +#include +#include #include "wil6210.h" #include "wmi.h" +#include "ftm.h" +#include "fw.h" + +#define WIL_MAX_ROC_DURATION_MS 5000 +#define CTRY_CHINA "CN" + +bool disable_ap_sme; +module_param(disable_ap_sme, bool, 0444); +MODULE_PARM_DESC(disable_ap_sme, " let user space handle AP mode SME"); + +bool umac_mode; +module_param(umac_mode, bool, 0444); +MODULE_PARM_DESC(umac_mode, " enable driver engagement in AP mode SME (upper MAC), default - false"); + +#ifdef CONFIG_PM +static struct wiphy_wowlan_support wil_wowlan_support = { + .flags = WIPHY_WOWLAN_ANY | WIPHY_WOWLAN_DISCONNECT, +}; +#endif + +static bool country_specific_board_file; +module_param(country_specific_board_file, bool, 0444); +MODULE_PARM_DESC(country_specific_board_file, " switch board file upon regulatory domain change (Default: false)"); + +static uint scan_dwell_time = WMI_SCAN_DWELL_TIME_MS; +module_param(scan_dwell_time, uint, 0644); +MODULE_PARM_DESC(scan_dwell_time, " Scan dwell time (msec)"); + +static uint scan_timeout = WIL6210_SCAN_TO_SEC; +module_param(scan_timeout, uint, 0644); +MODULE_PARM_DESC(scan_timeout, " Scan timeout (seconds)"); + +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 + +static bool ignore_reg_hints; +module_param(ignore_reg_hints, bool, 0444); +MODULE_PARM_DESC(ignore_reg_hints, " Ignore OTA regulatory hints (Default: false)"); #define CHAN60G(_channel, _flags) { \ .band = IEEE80211_BAND_60GHZ, \ @@ -26,11 +78,377 @@ .max_power = 40, \ } +#define WIL_BRP_ANT_LIMIT_MIN (1) +#define WIL_BRP_ANT_LIMIT_MAX (27) + +struct iface_combination_params { + int num_different_channels; + u8 radar_detect; + int iftype_num[NUM_NL80211_IFTYPES]; + u32 new_beacon_int; +}; + static struct ieee80211_channel wil_60ghz_channels[] = { CHAN60G(1, 0), CHAN60G(2, 0), CHAN60G(3, 0), -/* channel 4 not supported yet */ + CHAN60G(4, 0), +}; + +static void +wil_memdup_ie(u8 **pdst, size_t *pdst_len, const u8 *src, size_t src_len) +{ + kfree(*pdst); + *pdst = NULL; + *pdst_len = 0; + if (src_len > 0) { + *pdst = kmemdup(src, src_len, GFP_KERNEL); + if (*pdst) + *pdst_len = src_len; + } +} + +enum wil_nl_60g_cmd_type { + NL_60G_CMD_FW_WMI, + NL_60G_CMD_DEBUG, + NL_60G_CMD_STATISTICS, + NL_60G_CMD_REGISTER, +}; + +enum wil_nl_60g_evt_type { + NL_60G_EVT_DRIVER_ERROR, + NL_60G_EVT_FW_ERROR, + NL_60G_EVT_FW_WMI, + NL_60G_EVT_DRIVER_SHUTOWN, + NL_60G_EVT_DRIVER_DEBUG_EVENT, +}; + +enum wil_nl_60g_debug_cmd { + NL_60G_DBG_FORCE_WMI_SEND, + NL_60G_GEN_RADAR_ALLOC_BUFFER, + NL_60G_GEN_FW_RESET, +}; + +struct wil_nl_60g_send_receive_wmi { + u32 cmd_id; /* enum wmi_command_id or enum wmi_event_id */ + u8 reserved[2]; + u8 dev_id; /* mid */ + u16 buf_len; + u8 buf[0]; +} __packed; + +struct wil_nl_60g_event { + u32 evt_type; /* wil_nl_60g_evt_type */ + u32 buf_len; + u8 reserved[9]; + u8 buf[0]; +} __packed; + +struct wil_nl_60g_debug { /* NL_60G_CMD_DEBUG */ + u32 cmd_id; /* wil_nl_60g_debug_cmd */ +} __packed; + +struct wil_nl_60g_debug_force_wmi { + struct wil_nl_60g_debug hdr; + u32 enable; +} __packed; + +static int wil_num_supported_channels(struct wil6210_priv *wil) +{ + int num_channels = ARRAY_SIZE(wil_60ghz_channels); + + if (!test_bit(WMI_FW_CAPABILITY_CHANNEL_4, wil->fw_capabilities)) + num_channels--; + + return num_channels; +} + +void update_supported_bands(struct wil6210_priv *wil) +{ + struct wiphy *wiphy = wil_to_wiphy(wil); + + wil_dbg_misc(wil, "update supported bands"); + + wiphy->bands[NL80211_BAND_60GHZ]->n_channels = + wil_num_supported_channels(wil); +} + +/* 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_FEATURE_FLAGS = 7, + QCA_ATTR_TEST = 8, + 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, +}; + +#define WIL_ATTR_60G_CMD_TYPE QCA_ATTR_FEATURE_FLAGS +#define WIL_ATTR_60G_BUF QCA_ATTR_TEST + +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 }, +}; + +static const struct +nla_policy wil_nl_60g_policy[QCA_ATTR_WIL_MAX + 1] = { + [WIL_ATTR_60G_CMD_TYPE] = { .type = NLA_U32 }, + [WIL_ATTR_60G_BUF] = { .type = NLA_BINARY }, +}; + +enum qca_nl80211_vendor_subcmds { + QCA_NL80211_VENDOR_SUBCMD_UNSPEC = 0, + 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); + +static int wil_nl_60g_handle_cmd(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 + }, + { + .info.vendor_id = QCA_NL80211_VENDOR_ID, + .info.subcmd = QCA_NL80211_VENDOR_SUBCMD_UNSPEC, + .flags = WIPHY_VENDOR_CMD_NEED_WDEV | + WIPHY_VENDOR_CMD_NEED_NETDEV, + .doit = wil_nl_60g_handle_cmd + }, +}; + +/* 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 + }, + [QCA_NL80211_VENDOR_EVENT_UNSPEC_INDEX] = { + .vendor_id = QCA_NL80211_VENDOR_ID, + .subcmd = QCA_NL80211_VENDOR_SUBCMD_UNSPEC + }, }; static struct ieee80211_supported_band wil_band_60ghz = { @@ -59,9 +477,18 @@ }, [NL80211_IFTYPE_AP] = { .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | - BIT(IEEE80211_STYPE_PROBE_RESP >> 4), + BIT(IEEE80211_STYPE_PROBE_RESP >> 4) | + BIT(IEEE80211_STYPE_ASSOC_RESP >> 4) | + BIT(IEEE80211_STYPE_DISASSOC >> 4) | + BIT(IEEE80211_STYPE_AUTH >> 4) | + BIT(IEEE80211_STYPE_REASSOC_RESP >> 4), .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | - BIT(IEEE80211_STYPE_PROBE_REQ >> 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) | @@ -75,12 +502,24 @@ .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 { @@ -104,50 +543,488 @@ return -EOPNOTSUPP; } -static int wil_cfg80211_get_station(struct wiphy *wiphy, - struct net_device *ndev, - u8 *mac, struct station_info *sinfo) +int wil_spec2wmi_ch(u8 spec_ch, u8 *wmi_ch) { - struct wil6210_priv *wil = wiphy_to_wil(wiphy); - int rc; + switch (spec_ch) { + case 1: + *wmi_ch = WMI_CHANNEL_1; + break; + case 2: + *wmi_ch = WMI_CHANNEL_2; + break; + case 3: + *wmi_ch = WMI_CHANNEL_3; + break; + case 4: + *wmi_ch = WMI_CHANNEL_4; + break; + case 5: + *wmi_ch = WMI_CHANNEL_5; + break; + case 6: + *wmi_ch = WMI_CHANNEL_6; + break; + case 9: + *wmi_ch = WMI_CHANNEL_9; + break; + case 10: + *wmi_ch = WMI_CHANNEL_10; + break; + case 11: + *wmi_ch = WMI_CHANNEL_11; + break; + case 12: + *wmi_ch = WMI_CHANNEL_12; + break; + default: + return -EINVAL; + } + + return 0; +} + +int wil_wmi2spec_ch(u8 wmi_ch, u8 *spec_ch) +{ + switch (wmi_ch) { + case WMI_CHANNEL_1: + *spec_ch = 1; + break; + case WMI_CHANNEL_2: + *spec_ch = 2; + break; + case WMI_CHANNEL_3: + *spec_ch = 3; + break; + case WMI_CHANNEL_4: + *spec_ch = 4; + break; + case WMI_CHANNEL_5: + *spec_ch = 5; + break; + case WMI_CHANNEL_6: + *spec_ch = 6; + break; + case WMI_CHANNEL_9: + *spec_ch = 9; + break; + case WMI_CHANNEL_10: + *spec_ch = 10; + break; + case WMI_CHANNEL_11: + *spec_ch = 11; + break; + case WMI_CHANNEL_12: + *spec_ch = 12; + break; + default: + return -EINVAL; + } + + return 0; +} + +int wil_cid_fill_sinfo(struct wil6210_vif *vif, int cid, + struct station_info *sinfo) +{ + struct wil6210_priv *wil = vif_to_wil(vif); struct wmi_notify_req_cmd cmd = { - .cid = 0, + .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; - if (memcmp(mac, wil->dst_addr[0], ETH_ALEN)) - return -ENOENT; + memset(&reply, 0, sizeof(reply)); - /* WMI_NOTIFY_REQ_DONE_EVENTID handler fills wil->stats.bf_mcs */ - rc = wmi_call(wil, WMI_NOTIFY_REQ_CMDID, &cmd, sizeof(cmd), - WMI_NOTIFY_REQ_DONE_EVENTID, NULL, 0, 20); + rc = wmi_call(wil, WMI_NOTIFY_REQ_CMDID, vif->mid, &cmd, sizeof(cmd), + WMI_NOTIFY_REQ_DONE_EVENTID, &reply, sizeof(reply), + WIL_WMI_CALL_GENERAL_TO_MS); if (rc) return rc; + wil_dbg_wmi(wil, "Link status for CID %d MID %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, vif->mid, 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 |= STATION_INFO_TX_BITRATE; + 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 = wil->stats.bf_mcs; - sinfo->filled |= STATION_INFO_RX_BITRATE; + sinfo->txrate.mcs = le16_to_cpu(reply.evt.bf_mcs); sinfo->rxrate.flags = RATE_INFO_FLAGS_MCS | RATE_INFO_FLAGS_60G; - sinfo->rxrate.mcs = wil->stats.last_mcs_rx; + 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_vif_fwconnected, vif->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; + } - if (test_bit(wil_status_fwconnected, &wil->status)) { - sinfo->filled |= STATION_INFO_SIGNAL; - sinfo->signal = 12; /* TODO: provide real value */ + return rc; +} + +static int wil_cfg80211_get_station(struct wiphy *wiphy, + struct net_device *ndev, + const u8 *mac, struct station_info *sinfo) +{ + struct wil6210_vif *vif = ndev_to_vif(ndev); + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + int rc; + + int cid = wil_find_cid(wil, vif->mid, mac); + + wil_dbg_misc(wil, "get_station: %pM CID %d MID %d\n", mac, cid, + vif->mid); + if (!wil_cid_valid(cid)) + return -ENOENT; + + rc = wil_cid_fill_sinfo(vif, cid, sinfo); + + return rc; +} + +/* + * Find @idx-th active STA for specific MID for station dump. + */ +static int wil_find_cid_by_idx(struct wil6210_priv *wil, u8 mid, int idx) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(wil->sta); i++) { + if (wil->sta[i].status == wil_sta_unused) + continue; + if (wil->sta[i].mid != mid) + 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_vif *vif = ndev_to_vif(dev); + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + int rc; + int cid = wil_find_cid_by_idx(wil, vif->mid, idx); + + if (!wil_cid_valid(cid)) + return -ENOENT; + + ether_addr_copy(mac, wil->sta[cid].addr); + wil_dbg_misc(wil, "dump_station: %pM CID %d MID %d\n", mac, cid, + vif->mid); + + rc = wil_cid_fill_sinfo(vif, 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_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); + + if (!wil->p2p_dev_started) + return; + + wil_dbg_misc(wil, "stop_p2p_device: entered\n"); + mutex_lock(&wil->mutex); + mutex_lock(&wil->vif_mutex); + wil_p2p_stop_radio_operations(wil); + wil->p2p_dev_started = 0; + mutex_unlock(&wil->vif_mutex); + mutex_unlock(&wil->mutex); +} + +static int wil_cfg80211_validate_add_iface(struct wil6210_priv *wil, + enum nl80211_iftype new_type) +{ + int i; + struct wireless_dev *wdev; + struct iface_combination_params params = { + .num_different_channels = 1, + }; + + for (i = 0; i < wil->max_vifs; i++) { + if (wil->vifs[i]) { + wdev = vif_to_wdev(wil->vifs[i]); + params.iftype_num[wdev->iftype]++; + } + } + params.iftype_num[new_type]++; + return cfg80211_check_combinations(wil->wiphy, + params.num_different_channels, + params.radar_detect, + params.iftype_num); +} + +static int wil_cfg80211_validate_change_iface(struct wil6210_priv *wil, + struct wil6210_vif *vif, + enum nl80211_iftype new_type) +{ + int i, ret = 0; + struct wireless_dev *wdev; + struct iface_combination_params params = { + .num_different_channels = 1, + }; + bool check_combos = false; + + for (i = 0; i < wil->max_vifs; i++) { + struct wil6210_vif *vif_pos = wil->vifs[i]; + + if (vif_pos && vif != vif_pos) { + wdev = vif_to_wdev(vif_pos); + params.iftype_num[wdev->iftype]++; + check_combos = true; + } + } + + if (check_combos) { + params.iftype_num[new_type]++; + ret = cfg80211_check_combinations(wil->wiphy, + params.num_different_channels, + params.radar_detect, + params.iftype_num); + } + return ret; +} + +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_main = wil->main_ndev, *ndev; + struct wil6210_vif *vif; + struct wireless_dev *p2p_wdev, *wdev; + int rc; + + wil_dbg_misc(wil, "add_iface, type %d\n", type); + + /* P2P device is not a real virtual interface, it is a management-only + * interface that shares the main interface. + * Skip concurrency checks here. + */ + if (type == NL80211_IFTYPE_P2P_DEVICE) { + 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_main->perm_addr); + + wil->p2p_wdev = p2p_wdev; + + return p2p_wdev; + } + + if (!wil->wiphy->n_iface_combinations) { + wil_err(wil, "virtual interfaces not supported\n"); + return ERR_PTR(-EINVAL); + } + + rc = wil_cfg80211_validate_add_iface(wil, type); + if (rc) { + wil_err(wil, "iface validation failed, err=%d\n", rc); + return ERR_PTR(rc); + } + + vif = wil_vif_alloc(wil, name, name_assign_type, type); + if (IS_ERR(vif)) + return ERR_CAST(vif); + + ndev = vif_to_ndev(vif); + ether_addr_copy(ndev->perm_addr, ndev_main->perm_addr); + if (is_valid_ether_addr(params->macaddr)) { + ether_addr_copy(ndev->dev_addr, params->macaddr); + } else { + ether_addr_copy(ndev->dev_addr, ndev_main->perm_addr); + ndev->dev_addr[0] = (ndev->dev_addr[0] ^ (1 << vif->mid)) | + 0x2; /* locally administered */ + } + wdev = vif_to_wdev(vif); + ether_addr_copy(wdev->address, ndev->dev_addr); + + rc = wil_vif_add(wil, vif); + if (rc) + goto out; + + wil_info(wil, "added VIF, mid %d iftype %d MAC %pM\n", + vif->mid, type, wdev->address); + return wdev; +out: + wil_vif_free(vif); + return ERR_PTR(rc); +} + +int wil_vif_prepare_stop(struct wil6210_vif *vif) +{ + struct wil6210_priv *wil = vif_to_wil(vif); + struct wireless_dev *wdev = vif_to_wdev(vif); + struct net_device *ndev; + int rc; + + if (wdev->iftype != NL80211_IFTYPE_AP) + return 0; + + ndev = vif_to_ndev(vif); + if (netif_carrier_ok(ndev)) { + rc = wmi_pcp_stop(vif); + if (rc) { + wil_info(wil, "failed to stop AP, status %d\n", + rc); + /* continue */ + } + wil_bcast_fini(vif); + netif_carrier_off(ndev); } return 0; } +static int wil_cfg80211_del_iface(struct wiphy *wiphy, + struct wireless_dev *wdev) +{ + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + struct wil6210_vif *vif = wdev_to_vif(wil, wdev); + int rc; + + wil_dbg_misc(wil, "del_iface\n"); + + if (wdev->iftype == NL80211_IFTYPE_P2P_DEVICE) { + 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; + } + + if (vif->mid == 0) { + wil_err(wil, "cannot remove the main interface\n"); + return -EINVAL; + } + + rc = wil_vif_prepare_stop(vif); + if (rc) + goto out; + + wil_info(wil, "deleted VIF, mid %d iftype %d MAC %pM\n", + vif->mid, wdev->iftype, wdev->address); + + wil_vif_remove(wil, vif->mid); +out: + return rc; +} + +static bool wil_is_safe_switch(enum nl80211_iftype from, + enum nl80211_iftype to) +{ + if (from == NL80211_IFTYPE_STATION && + to == NL80211_IFTYPE_P2P_CLIENT) + return true; + + return false; +} + 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->wdev; + struct wil6210_vif *vif = ndev_to_vif(ndev); + struct wireless_dev *wdev = vif_to_wdev(vif); + int rc; + bool fw_reset = false; + + wil_dbg_misc(wil, "change_iface: type=%d\n", type); + + if (wiphy->n_iface_combinations) { + rc = wil_cfg80211_validate_change_iface(wil, vif, type); + if (rc) { + wil_err(wil, "iface validation failed, err=%d\n", rc); + return rc; + } + } + + /* do not reset FW when there are active VIFs, + * because it can cause significant disruption + */ + if (!wil_has_other_active_ifaces(wil, ndev, true, false) && + netif_running(ndev) && !wil_is_recovery_blocked(wil) && + !wil_is_safe_switch(wdev->iftype, type)) { + 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; + fw_reset = true; + } switch (type) { case NL80211_IFTYPE_STATION: @@ -166,8 +1043,18 @@ return -EOPNOTSUPP; } - wdev->iftype = type; + if (vif->mid != 0 && wil_has_active_ifaces(wil, true, false)) { + if (!fw_reset) + wil_vif_prepare_stop(vif); + rc = wmi_port_delete(wil, vif->mid); + if (rc) + return rc; + rc = wmi_port_allocate(wil, vif->mid, ndev->dev_addr, type); + if (rc) + return rc; + } + wdev->iftype = type; return 0; } @@ -175,40 +1062,103 @@ struct cfg80211_scan_request *request) { struct wil6210_priv *wil = wiphy_to_wil(wiphy); - struct wireless_dev *wdev = wil->wdev; + struct wireless_dev *wdev = request->wdev; + struct wil6210_vif *vif = wdev_to_vif(wil, wdev); struct { struct wmi_start_scan_cmd cmd; u16 chnl[4]; } __packed cmd; uint i, n; + int rc; - if (wil->scan_request) { - wil_err(wil, "Already scanning\n"); - return -EAGAIN; - } + wil_dbg_misc(wil, "scan: wdev=0x%p iftype=%d\n", wdev, wdev->iftype); - /* check we are client side */ + /* scan is supported on client interfaces and on AP interface */ switch (wdev->iftype) { case NL80211_IFTYPE_STATION: case NL80211_IFTYPE_P2P_CLIENT: + case NL80211_IFTYPE_P2P_DEVICE: + case NL80211_IFTYPE_AP: break; default: return -EOPNOTSUPP; } /* FW don't support scan after connection attempt */ - if (test_bit(wil_status_dontscan, &wil->status)) { - wil_err(wil, "Scan after connect attempt not supported\n"); + if (test_bit(wil_status_dontscan, wil->status)) { + wil_err(wil, "Can't scan now\n"); return -EBUSY; } - wil->scan_request = request; + mutex_lock(&wil->mutex); + + mutex_lock(&wil->vif_mutex); + if (vif->scan_request || vif->p2p.discovery_started) { + wil_err(wil, "Already scanning\n"); + mutex_unlock(&wil->vif_mutex); + rc = -EAGAIN; + goto out; + } + mutex_unlock(&wil->vif_mutex); + + if (wdev->iftype == NL80211_IFTYPE_P2P_DEVICE) { + if (!wil->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)) { + vif->scan_request = request; + if (vif->mid == 0) + wil->radio_wdev = wdev; + rc = wil_p2p_search(vif, request); + if (rc) { + if (vif->mid == 0) + wil->radio_wdev = + wil->main_ndev->ieee80211_ptr; + vif->scan_request = NULL; + } + goto out; + } + } + + (void)wil_p2p_stop_discovery(vif); + + wil_dbg_misc(wil, + "Start scan_request 0x%p, dwell_time %dms, timeout %dsec, SSID count %d\n", + request, scan_dwell_time, scan_timeout, 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(vif, request->ssids[0].ssid_len, + request->ssids[0].ssid); + else + rc = wmi_set_ssid(vif, 0, NULL); + + if (rc) { + wil_err(wil, "set SSID for scan request failed: %d\n", rc); + goto out; + } + + vif->scan_request = request; + mod_timer(&vif->scan_timer, + jiffies + msecs_to_jiffies(1000U * scan_timeout)); memset(&cmd, 0, sizeof(cmd)); + cmd.cmd.scan_type = WMI_ACTIVE_SCAN; + cmd.cmd.dwell_time = cpu_to_le32(scan_dwell_time); 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", @@ -221,8 +1171,188 @@ request->channels[i]->center_freq); } - return wmi_send(wil, WMI_START_SCAN_CMDID, &cmd, sizeof(cmd.cmd) + - cmd.cmd.num_channels * sizeof(cmd.cmd.channel_list[0])); + 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(vif, 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"); + } + + if (vif->mid == 0) + wil->radio_wdev = wdev; + rc = wmi_send(wil, WMI_START_SCAN_CMDID, vif->mid, + &cmd, sizeof(cmd.cmd) + + cmd.cmd.num_channels * sizeof(cmd.cmd.channel_list[0])); + +out_restore: + if (rc) { + del_timer_sync(&vif->scan_timer); + if (vif->mid == 0) + wil->radio_wdev = wil->main_ndev->ieee80211_ptr; + vif->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); + struct wil6210_vif *vif = wdev_to_vif(wil, wdev); + + wil_dbg_misc(wil, "wdev=0x%p iftype=%d\n", wdev, wdev->iftype); + + mutex_lock(&wil->mutex); + mutex_lock(&wil->vif_mutex); + + if (!vif->scan_request) + goto out; + + if (wdev != vif->scan_request->wdev) { + wil_dbg_misc(wil, "abort scan was called on the wrong iface\n"); + goto out; + } + + if (wdev == wil->p2p_wdev && wil->radio_wdev == wil->p2p_wdev) + wil_p2p_stop_radio_operations(wil); + else + wil_abort_scan(vif, true); + +out: + mutex_unlock(&wil->vif_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 const char * +wil_get_auth_type_name(enum nl80211_auth_type auth_type) +{ + switch (auth_type) { + case NL80211_AUTHTYPE_OPEN_SYSTEM: + return "OPEN_SYSTEM"; + case NL80211_AUTHTYPE_SHARED_KEY: + return "SHARED_KEY"; + case NL80211_AUTHTYPE_FT: + return "FT"; + case NL80211_AUTHTYPE_NETWORK_EAP: + return "NETWORK_EAP"; + case NL80211_AUTHTYPE_SAE: + return "SAE"; + case NL80211_AUTHTYPE_AUTOMATIC: + return "AUTOMATIC"; + default: + return "unknown"; + } +} +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, " Auth Type: %s\n", + wil_get_auth_type_name(sme->auth_type)); + 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_ft_connect(struct wiphy *wiphy, + struct net_device *ndev, + struct cfg80211_connect_params *sme) +{ + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + struct wil6210_vif *vif = ndev_to_vif(ndev); + struct wmi_ft_auth_cmd auth_cmd; + int rc; + + if (!test_bit(WMI_FW_CAPABILITY_FT_ROAMING, wil->fw_capabilities)) { + wil_err(wil, "FT: FW does not support FT roaming\n"); + return -EOPNOTSUPP; + } + + if (!test_bit(wil_vif_fwconnected, vif->status)) { + wil_err(wil, "FT: roam while not connected\n"); + return -EINVAL; + } + + if (vif->privacy != sme->privacy) { + wil_err(wil, "FT: privacy mismatch, current (%d) roam (%d)\n", + vif->privacy, sme->privacy); + return -EINVAL; + } + + if (sme->pbss) { + wil_err(wil, "FT: roam is not valid for PBSS\n"); + return -EINVAL; + } + + memset(&auth_cmd, 0, sizeof(auth_cmd)); + auth_cmd.channel = sme->channel->hw_value - 1; + ether_addr_copy(auth_cmd.bssid, sme->bssid); + + if (test_bit(WMI_FW_CAPABILITY_CHANNEL_BONDING, wil->fw_capabilities)) + if (wil->force_edmg_channel) { + rc = wil_spec2wmi_ch(wil->force_edmg_channel, + &auth_cmd.channel); + if (rc) + wil_err(wil, "FT: wmi channel for channel %d not found", + wil->force_edmg_channel); + } + + wil_info(wil, "FT: roaming\n"); + + set_bit(wil_vif_ft_roam, vif->status); + rc = wmi_send(wil, WMI_FT_AUTH_CMDID, vif->mid, + &auth_cmd, sizeof(auth_cmd)); + if (rc == 0) + mod_timer(&vif->connect_timer, + jiffies + msecs_to_jiffies(5000)); + else + clear_bit(wil_vif_ft_roam, vif->status); + + return rc; } static int wil_cfg80211_connect(struct wiphy *wiphy, @@ -230,16 +1360,53 @@ struct cfg80211_connect_params *sme) { struct wil6210_priv *wil = wiphy_to_wil(wiphy); + struct wil6210_vif *vif = ndev_to_vif(ndev); struct cfg80211_bss *bss; struct wmi_connect_cmd conn; const u8 *ssid_eid; const u8 *rsn_eid; int ch; int rc = 0; + bool is_ft_roam = false; + u8 network_type; + enum ieee80211_bss_type bss_type = IEEE80211_BSS_TYPE_ESS; + + wil_dbg_misc(wil, "connect, mid=%d\n", vif->mid); + wil_print_connect_params(wil, sme); + + if (sme->auth_type == NL80211_AUTHTYPE_FT) + is_ft_roam = true; + if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC && + test_bit(wil_vif_fwconnected, vif->status)) + is_ft_roam = true; + + if (!is_ft_roam) + if (test_bit(wil_vif_fwconnecting, vif->status) || + test_bit(wil_vif_fwconnected, vif->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 (is_ft_roam) { + wil_err(wil, "No WSC with FT roam\n"); + return -EINVAL; + } + } + + if (sme->pbss) + bss_type = IEEE80211_BSS_TYPE_PBSS; bss = cfg80211_get_bss(wiphy, sme->channel, sme->bssid, sme->ssid, sme->ssid_len, - WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS); + bss_type, IEEE80211_PRIVACY_ANY); if (!bss) { wil_err(wil, "Unable to find BSS\n"); return -ENOENT; @@ -251,61 +1418,26 @@ rc = -ENOENT; goto out; } + vif->privacy = sme->privacy; + vif->pbss = sme->pbss; - rsn_eid = sme->ie ? - cfg80211_find_ie(WLAN_EID_RSN, sme->ie, sme->ie_len) : - NULL; - if (rsn_eid) { - if (sme->ie_len > WMI_MAX_IE_LEN) { - rc = -ERANGE; - wil_err(wil, "IE too large (%td bytes)\n", - sme->ie_len); - goto out; - } - /* - * For secure assoc, send: - * (1) WMI_DELETE_CIPHER_KEY_CMD - * (2) WMI_SET_APPIE_CMD - */ - rc = wmi_del_cipher_key(wil, 0, bss->bssid); - if (rc) { - wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD failed\n"); - goto out; - } - /* WMI_SET_APPIE_CMD */ - rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_REQ, sme->ie_len, sme->ie); - if (rc) { - wil_err(wil, "WMI_SET_APPIE_CMD failed\n"); - goto out; - } - } + rc = wmi_set_ie(vif, 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; + network_type = WMI_NETTYPE_INFRA; break; case WLAN_CAPABILITY_DMG_TYPE_PBSS: - conn.network_type = WMI_NETTYPE_P2P; + network_type = WMI_NETTYPE_P2P; break; default: wil_err(wil, "Unsupported BSS type, capability= 0x%04x\n", bss->capability); + rc = -EINVAL; goto out; } - if (rsn_eid) { - 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; - } else { - 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) { @@ -314,20 +1446,91 @@ rc = -EOPNOTSUPP; goto out; } + + if (is_ft_roam) { + if (network_type != WMI_NETTYPE_INFRA) { + wil_err(wil, "FT: Unsupported BSS type, capability= 0x%04x\n", + bss->capability); + rc = -EINVAL; + goto out; + } + rc = wil_ft_connect(wiphy, ndev, sme); + if (rc == 0) + vif->bss = bss; + goto out; + } + + if (vif->privacy) { + /* For secure assoc, remove old keys */ + rc = wmi_del_cipher_key(vif, 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(vif, 0, bss->bssid, + WMI_KEY_USE_RX_GROUP); + if (rc) { + wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(GTK) failed\n"); + goto out; + } + } + + /* WMI_CONNECT_CMD */ + memset(&conn, 0, sizeof(conn)); + conn.network_type = network_type; + if (vif->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); conn.channel = ch - 1; - memcpy(conn.bssid, bss->bssid, 6); - memcpy(conn.dst_mac, bss->bssid, 6); - /* - * FW don't support scan after connection attempt - */ - set_bit(wil_status_dontscan, &wil->status); + if (test_bit(WMI_FW_CAPABILITY_CHANNEL_BONDING, wil->fw_capabilities)) + if (wil->force_edmg_channel) { + rc = wil_spec2wmi_ch(wil->force_edmg_channel, + &conn.edmg_channel); + if (rc) + wil_err(wil, "wmi channel for channel %d not found", + wil->force_edmg_channel); + } - rc = wmi_send(wil, WMI_CONNECT_CMDID, &conn, sizeof(conn)); + ether_addr_copy(conn.bssid, bss->bssid); + ether_addr_copy(conn.dst_mac, bss->bssid); + + set_bit(wil_vif_fwconnecting, vif->status); + + rc = wmi_send(wil, WMI_CONNECT_CMDID, vif->mid, &conn, sizeof(conn)); if (rc == 0) { + netif_carrier_on(ndev); + if (!wil_has_other_active_ifaces(wil, ndev, false, true)) { + if (wil->force_edmg_channel) + wil6210_bus_request(wil, + WIL_11AY_BUS_REQUEST_KBPS); + else + wil6210_bus_request(wil, + WIL_11AD_BUS_REQUEST_KBPS); + } + vif->bss = bss; /* Connect can take lots of time */ - mod_timer(&wil->connect_timer, - jiffies + msecs_to_jiffies(2000)); + mod_timer(&vif->connect_timer, + jiffies + msecs_to_jiffies(5000)); + } else { + clear_bit(wil_vif_fwconnecting, vif->status); } out: @@ -342,8 +1545,159 @@ { int rc; struct wil6210_priv *wil = wiphy_to_wil(wiphy); + struct wil6210_vif *vif = ndev_to_vif(ndev); + + wil_dbg_misc(wil, "disconnect: reason=%d, mid=%d\n", + reason_code, vif->mid); + + if (!(test_bit(wil_vif_fwconnecting, vif->status) || + test_bit(wil_vif_fwconnected, vif->status))) { + wil_err(wil, "Disconnect was called while disconnected\n"); + return 0; + } + + vif->locally_generated_disc = true; + rc = wmi_call(wil, WMI_DISCONNECT_CMDID, vif->mid, 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; +} + +static int wil_umac_rop_mgmt_tx(void *driver_vap_ctx, const u8 *frame, + size_t len) +{ + struct wil6210_vif *vif = driver_vap_ctx; + + return wmi_mgmt_tx(vif, frame, len); +} + +static int wil_umac_rop_add_station(void *driver_vap_ctx, const u8 *mac, + u8 aid) +{ + struct wil6210_vif *vif = driver_vap_ctx; + + return wmi_new_sta(vif, mac, aid); +} + +static void wil_umac_rop_del_station(void *driver_vap_ctx, const u8 *mac, + u16 reason) +{ + struct wil6210_vif *vif = driver_vap_ctx; + struct wil6210_priv *wil = vif_to_wil(vif); + + mutex_lock(&wil->mutex); + wil6210_disconnect(vif, mac, reason); + mutex_unlock(&wil->mutex); +} + +void *wil_umac_register(struct wil6210_priv *wil) +{ + wil->umac_rops.mgmt_tx = wil_umac_rop_mgmt_tx; + wil->umac_rops.add_station = wil_umac_rop_add_station; + wil->umac_rops.del_station = wil_umac_rop_del_station; + return wil_umac_init(wil, wil->main_ndev->perm_addr, WIL_MAX_VIFS, + max_assoc_sta, disable_ap_sme, &wil->umac_ops, + &wil->umac_rops); +} + +void wil_umac_unregister(struct wil6210_priv *wil) +{ + if (!wil->umac_handle) + return; + + wil->umac_ops.uninit(wil->umac_handle); + wil->umac_handle = NULL; +} + +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; + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + struct wil6210_vif *vif = wdev_to_vif(wil, wdev); + int rc; + bool tx_status; + + wil_dbg_misc(wil, "mgmt_tx: channel %d offchan %d, wait %d\n", + params->chan ? params->chan->hw_value : -1, + params->offchan, + params->wait); + + /* Note, currently we support the "wait" parameter only on AP mode. + * In other modes, user-space must call remain_on_channel before + * mgmt_tx or listen on a channel other than active one. + */ + + if (params->chan && params->chan->hw_value == 0) { + wil_err(wil, "invalid channel\n"); + return -EINVAL; + } + + if (vif->umac_vap) { + rc = wil->umac_ops.mgmt_tx(vif->umac_vap, buf, len); + if (rc != WIL_UMAC_FRAME_NOT_HANDLED) + goto out; + } + + if (wdev->iftype != NL80211_IFTYPE_AP) { + wil_dbg_misc(wil, + "send WMI_SW_TX_REQ_CMDID on non-AP interfaces\n"); + rc = wmi_mgmt_tx(vif, buf, len); + goto out; + } + + if (!params->chan || params->chan->hw_value == vif->channel) { + wil_dbg_misc(wil, + "send WMI_SW_TX_REQ_CMDID for on-channel\n"); + rc = wmi_mgmt_tx(vif, buf, len); + goto out; + } + + if (params->offchan == 0) { + wil_err(wil, + "invalid channel params: current %d requested %d, off-channel not allowed\n", + vif->channel, params->chan->hw_value); + return -EBUSY; + } - rc = wmi_send(wil, WMI_DISCONNECT_CMDID, NULL, 0); + /* use the wmi_mgmt_tx_ext only on AP mode and off-channel */ + rc = wmi_mgmt_tx_ext(vif, buf, len, params->chan->hw_value, + params->wait); + +out: + /* when the sent packet was not acked by receiver(ACK=0), rc will + * be -EAGAIN. In this case this function needs to return success, + * the ACK=0 will be reflected in tx_status. + */ + tx_status = (rc == 0); + rc = (rc == -EAGAIN) ? 0 : rc; + cfg80211_mgmt_tx_status(wdev, cookie ? *cookie : 0, buf, len, + tx_status, GFP_KERNEL); return rc; } @@ -352,27 +1706,201 @@ struct cfg80211_chan_def *chandef) { struct wil6210_priv *wil = wiphy_to_wil(wiphy); - struct wireless_dev *wdev = wil->wdev; - wdev->preset_chandef = *chandef; + wil->monitor_chandef = *chandef; return 0; } +static enum wmi_key_usage wil_detect_key_usage(struct wireless_dev *wdev, + bool pairwise) +{ + struct wil6210_priv *wil = wdev_to_wil(wdev); + 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, u8 mid, + 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, mid, mac_addr); + else if (key_usage == WMI_KEY_USE_RX_GROUP) + cid = wil_find_cid_by_idx(wil, mid, 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]; +} + +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_vif *vif = ndev_to_vif(ndev); struct wil6210_priv *wil = wiphy_to_wil(wiphy); + struct wireless_dev *wdev = vif_to_wdev(vif); + enum wmi_key_usage key_usage = wil_detect_key_usage(wdev, pairwise); + struct wil_sta_info *cs = wil_find_sta_by_key_usage(wil, vif->mid, + key_usage, + mac_addr); - /* group key is not used */ - if (!pairwise) - return 0; + if (!params) { + wil_err(wil, "NULL params\n"); + return -EINVAL; + } - return wmi_add_cipher_key(wil, key_index, mac_addr, - params->key_len, params->key); + 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)) { + /* in FT, sta info may not be available as add_key may be + * sent by host before FW sends WMI_CONNECT_EVENT + */ + if (!test_bit(wil_vif_ft_roam, vif->status)) { + 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; + } + } + + if (!IS_ERR(cs)) + 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; + } + + if (vif->umac_vap) { + rc = wil->umac_ops.add_key(vif->umac_vap, key_index, pairwise, + mac_addr); + if (rc) + return rc; + } + + rc = wmi_add_cipher_key(vif, key_index, mac_addr, params->key_len, + params->key, key_usage); + if (rc) { + if (vif->umac_vap) + wil->umac_ops.del_key(vif->umac_vap, key_index, + pairwise, mac_addr); + } else if (!IS_ERR(cs)) { + /* update local storage used for AP recovery */ + if (key_usage == WMI_KEY_USE_TX_GROUP && params->key && + params->key_len <= WMI_MAX_KEY_LEN) { + vif->gtk_index = key_index; + memcpy(vif->gtk, params->key, params->key_len); + vif->gtk_len = params->key_len; + } + /* in FT set crypto will take place upon receiving + * WMI_RING_EN_EVENTID event + */ + wil_set_crypto_rx(key_index, key_usage, cs, params); + } + + return rc; } static int wil_cfg80211_del_key(struct wiphy *wiphy, @@ -380,13 +1908,29 @@ u8 key_index, bool pairwise, const u8 *mac_addr) { + struct wil6210_vif *vif = ndev_to_vif(ndev); struct wil6210_priv *wil = wiphy_to_wil(wiphy); + struct wireless_dev *wdev = vif_to_wdev(vif); + enum wmi_key_usage key_usage = wil_detect_key_usage(wdev, pairwise); + struct wil_sta_info *cs = wil_find_sta_by_key_usage(wil, vif->mid, + 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); + + if (vif->umac_vap) + wil->umac_ops.del_key(vif->umac_vap, key_index, pairwise, + mac_addr); - /* group key is not used */ - if (!pairwise) - return 0; - - return wmi_del_cipher_key(wil, key_index, mac_addr); + return wmi_del_cipher_key(vif, key_index, mac_addr, key_usage); } /* Need to be present or wiphy_new() will WARN */ @@ -395,111 +1939,1078 @@ 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); + struct wil6210_vif *vif = wdev_to_vif(wil, wdev); + + wil_dbg_misc(wil, "cancel_remain_on_channel\n"); + + return wil_p2p_cancel_listen(vif, 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) + ies1_len = 0; + + if (!ies2) + ies2_len = 0; + + 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; + if (ies1) + memcpy(buf, ies1, ies1_len); + dpos = buf + ies1_len; + spos = ies2; + while (spos && (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 && + (!ies1 || !_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 u8 * +_wil_cfg80211_get_proberesp_ies(const u8 *proberesp, u16 proberesp_len, + u16 *ies_len) +{ + u8 *ies = NULL; + + if (proberesp) { + struct ieee80211_mgmt *f = + (struct ieee80211_mgmt *)proberesp; + size_t hlen = offsetof(struct ieee80211_mgmt, + u.probe_resp.variable); + + ies = f->u.probe_resp.variable; + if (ies_len) + *ies_len = proberesp_len - hlen; + } + + return ies; +} + +static int _wil_cfg80211_set_ies(struct wil6210_vif *vif, + struct cfg80211_beacon_data *bcon) +{ + int rc; + struct wil6210_priv *wil = vif_to_wil(vif); + u16 len = 0, proberesp_len = 0; + u8 *ies = NULL, *proberesp; + + /* update local storage used for AP recovery */ + wil_memdup_ie(&vif->proberesp, &vif->proberesp_len, bcon->probe_resp, + bcon->probe_resp_len); + wil_memdup_ie(&vif->proberesp_ies, &vif->proberesp_ies_len, + bcon->proberesp_ies, bcon->proberesp_ies_len); + wil_memdup_ie(&vif->assocresp_ies, &vif->assocresp_ies_len, + bcon->assocresp_ies, bcon->assocresp_ies_len); + + proberesp = _wil_cfg80211_get_proberesp_ies(bcon->probe_resp, + bcon->probe_resp_len, + &proberesp_len); + 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(vif, WMI_FRAME_PROBE_RESP, len, ies); + if (rc) + goto out; + + if (bcon->assocresp_ies) + rc = wmi_set_ie(vif, WMI_FRAME_ASSOC_RESP, + bcon->assocresp_ies_len, bcon->assocresp_ies); + else + rc = wmi_set_ie(vif, WMI_FRAME_ASSOC_RESP, len, ies); + + if (rc) + goto out; + + if (vif->umac_vap) { + rc = wil->umac_ops.vap_set_ie(vif->umac_vap, + IEEE80211_STYPE_PROBE_RESP, + ies, len); + if (rc) + goto out; + + if (bcon->assocresp_ies) + rc = wil->umac_ops.vap_set_ie(vif->umac_vap, + IEEE80211_STYPE_ASSOC_RESP, + bcon->assocresp_ies, + bcon->assocresp_ies_len); + else + rc = wil->umac_ops.vap_set_ie(vif->umac_vap, + IEEE80211_STYPE_ASSOC_RESP, + ies, len); + } + +#if 0 /* to use beacon IE's, remove this #if 0 */ + if (rc) + goto out; + + rc = wmi_set_ie(vif, 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); + struct wil6210_vif *vif = ndev_to_vif(ndev); + 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); + u16 proberesp_len = 0; + u8 *proberesp; + bool ft = false; + + if (pbss) + wmi_nettype = WMI_NETTYPE_P2P; + + wil_dbg_misc(wil, "start_ap: mid=%d, is_go=%d\n", vif->mid, 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); + + proberesp = _wil_cfg80211_get_proberesp_ies( + bcon->probe_resp, bcon->probe_resp_len, + &proberesp_len); + /* check that the probe response IEs has a MDE */ + if ((proberesp && proberesp_len > 0 && + cfg80211_find_ie(WLAN_EID_MOBILITY_DOMAIN, + proberesp, + proberesp_len))) + ft = true; + + if (ft) { + if (!test_bit(WMI_FW_CAPABILITY_FT_ROAMING, + wil->fw_capabilities)) { + wil_err(wil, "FW does not support FT roaming\n"); + return -ENOTSUPP; + } + set_bit(wil_vif_ft_roam, vif->status); + } + + mutex_lock(&wil->mutex); + + if (!wil_has_other_active_ifaces(wil, ndev, true, false)) { + __wil_down(wil); + rc = __wil_up(wil); + if (rc) + goto out; + } + + rc = wmi_set_ssid(vif, ssid_len, ssid); + if (rc) + goto out; + + rc = _wil_cfg80211_set_ies(vif, bcon); + if (rc) + goto out; + + vif->privacy = privacy; + vif->channel = chan; + vif->hidden_ssid = hidden_ssid; + vif->pbss = pbss; + vif->bi = bi; + memcpy(vif->ssid, ssid, ssid_len); + vif->ssid_len = ssid_len; + + if (vif->umac_vap) { + struct wil_umac_vap_params vap_params; + + wil->umac_ops.stop_ap(vif->umac_vap); + + vap_params.channel = chan; + vap_params.ssid = ssid; + vap_params.ssid_len = ssid_len; + vap_params.bi = bi; + vap_params.hidden_ssid = hidden_ssid; + vap_params.privacy = privacy; + vap_params.max_aid = max_assoc_sta; + rc = wil->umac_ops.start_ap(vif->umac_vap, &vap_params); + if (rc) + goto out; + } + + netif_carrier_on(ndev); + if (!wil_has_other_active_ifaces(wil, ndev, false, true)) { + if (wil->force_edmg_channel) + wil6210_bus_request(wil, WIL_11AY_BUS_REQUEST_KBPS); + else + wil6210_bus_request(wil, WIL_11AD_BUS_REQUEST_KBPS); + } + + + rc = wmi_pcp_start(vif, bi, wmi_nettype, chan, hidden_ssid, is_go); + if (rc) + goto err_pcp_start; + + rc = wil_bcast_init(vif); + if (rc) + goto err_bcast; + + if (q_per_sta) /* wake default net queue - used mainly for multicast */ + wil_update_cid_net_queues_bh(wil, vif, max_assoc_sta, false); + + goto out; /* success */ + +err_bcast: + wmi_pcp_stop(vif); +err_pcp_start: + netif_carrier_off(ndev); + if (!wil_has_other_active_ifaces(wil, ndev, false, true)) + wil6210_bus_request(wil, WIL_DEFAULT_BUS_REQUEST_KBPS); + if (vif->umac_vap) + wil->umac_ops.stop_ap(vif->umac_vap); +out: + mutex_unlock(&wil->mutex); + return rc; +} + +void wil_cfg80211_ap_recovery(struct wil6210_priv *wil) +{ + int rc, i; + struct wiphy *wiphy = wil_to_wiphy(wil); + + for (i = 0; i < wil->max_vifs; i++) { + struct wil6210_vif *vif = wil->vifs[i]; + struct net_device *ndev; + struct cfg80211_beacon_data bcon = {}; + struct key_params key_params = {}; + + if (!vif || vif->ssid_len == 0) + continue; + + ndev = vif_to_ndev(vif); + bcon.proberesp_ies = vif->proberesp_ies; + bcon.assocresp_ies = vif->assocresp_ies; + bcon.probe_resp = vif->proberesp; + bcon.proberesp_ies_len = vif->proberesp_ies_len; + bcon.assocresp_ies_len = vif->assocresp_ies_len; + bcon.probe_resp_len = vif->proberesp_len; + + wil_info(wil, + "AP (vif %d) recovery: privacy %d, bi %d, channel %d, hidden %d, pbss %d\n", + i, vif->privacy, vif->bi, vif->channel, + vif->hidden_ssid, vif->pbss); + wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1, + vif->ssid, vif->ssid_len, true); + rc = _wil_cfg80211_start_ap(wiphy, ndev, + vif->ssid, vif->ssid_len, + vif->privacy, vif->bi, + vif->channel, &bcon, + vif->hidden_ssid, vif->pbss); + if (rc) { + wil_err(wil, "vif %d recovery failed (%d)\n", i, rc); + continue; + } + + if (!vif->privacy || vif->gtk_len == 0) + continue; + + key_params.key = vif->gtk; + key_params.key_len = vif->gtk_len; + key_params.seq_len = IEEE80211_GCMP_PN_LEN; + rc = wil_cfg80211_add_key(wiphy, ndev, vif->gtk_index, false, + NULL, &key_params); + if (rc) + wil_err(wil, "vif %d recovery add key failed (%d)\n", + i, 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); + struct wireless_dev *wdev = ndev->ieee80211_ptr; + struct wil6210_vif *vif = ndev_to_vif(ndev); + int rc; + u32 privacy = 0; + u16 len = 0, proberesp_len = 0; + u8 *ies = NULL, *proberesp; + bool ssid_changed = false; + const u8 *ie; + + wil_dbg_misc(wil, "change_beacon, mid=%d\n", vif->mid); + wil_print_bcon_data(bcon); + + if (bcon->tail && + cfg80211_find_ie(WLAN_EID_RSN, bcon->tail, + bcon->tail_len)) + privacy = 1; + + memcpy(vif->ssid, wdev->ssid, wdev->ssid_len); + vif->ssid_len = wdev->ssid_len; + + /* extract updated SSID from the probe response IE */ + proberesp = _wil_cfg80211_get_proberesp_ies( + bcon->probe_resp, bcon->probe_resp_len, + &proberesp_len); + rc = _wil_cfg80211_merge_extra_ies(proberesp, + proberesp_len, + bcon->proberesp_ies, + bcon->proberesp_ies_len, + &ies, &len); + + if (!rc) { + ie = cfg80211_find_ie(WLAN_EID_SSID, ies, len); + if (ie && (ie[1] <= IEEE80211_MAX_SSID_LEN)) { + if ((ie[1] != vif->ssid_len) || + memcmp(&ie[2], vif->ssid, ie[1])) { + memcpy(vif->ssid, &ie[2], ie[1]); + vif->ssid_len = ie[1]; + ssid_changed = true; + } + } + } + + /* in case privacy has changed, need to restart the AP */ + if (vif->privacy != privacy) { + wil_dbg_misc(wil, "privacy changed %d=>%d. Restarting AP\n", + vif->privacy, privacy); + + rc = _wil_cfg80211_start_ap(wiphy, ndev, vif->ssid, + vif->ssid_len, privacy, + wdev->beacon_interval, + vif->channel, bcon, + vif->hidden_ssid, + vif->pbss); + } else { + if (ssid_changed) { + rc = wmi_set_ssid(vif, vif->ssid_len, vif->ssid); + if (rc) + goto out; + } + rc = _wil_cfg80211_set_ies(vif, bcon); + } + + if (ssid_changed) { + wdev->ssid_len = vif->ssid_len; + memcpy(wdev->ssid, vif->ssid, vif->ssid_len); + } + +out: + return rc; +} + static int wil_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev, struct cfg80211_ap_settings *info) { - int rc = 0; + int rc; struct wil6210_priv *wil = wiphy_to_wil(wiphy); - struct wireless_dev *wdev = ndev->ieee80211_ptr; struct ieee80211_channel *channel = info->chandef.chan; struct cfg80211_beacon_data *bcon = &info->beacon; - u8 wmi_nettype = wil_iftype_nl2wmi(wdev->iftype); + 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"); - print_hex_dump_bytes("SSID ", DUMP_PREFIX_OFFSET, - info->ssid, info->ssid_len); + 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); + struct wil6210_vif *vif = ndev_to_vif(ndev); + bool last; + + wil_dbg_misc(wil, "stop_ap, mid=%d\n", vif->mid); + + netif_carrier_off(ndev); + + if (vif->umac_vap) + wil->umac_ops.stop_ap(vif->umac_vap); + + last = !wil_has_other_active_ifaces(wil, ndev, false, true); + if (last) { + 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(vif); + clear_bit(wil_vif_ft_roam, vif->status); + vif->ssid_len = 0; + wil_memdup_ie(&vif->proberesp, &vif->proberesp_len, NULL, 0); + wil_memdup_ie(&vif->proberesp_ies, &vif->proberesp_ies_len, NULL, 0); + wil_memdup_ie(&vif->assocresp_ies, &vif->assocresp_ies_len, NULL, 0); + memset(vif->gtk, 0, WMI_MAX_KEY_LEN); + vif->gtk_len = 0; + + if (q_per_sta) /* stop default net queue - used mainly for multicast */ + wil_update_cid_net_queues_bh(wil, vif, max_assoc_sta, true); + + if (last) + __wil_down(wil); + else + wil_bcast_fini(vif); + + 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_vif *vif = ndev_to_vif(dev); + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + + wil_dbg_misc(wil, "add station %pM aid %d mid %d mask 0x%x set 0x%x\n", + mac, params->aid, vif->mid, + params->sta_flags_mask, params->sta_flags_set); + + 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(vif, mac, params->aid); +} + +static int wil_cfg80211_del_station(struct wiphy *wiphy, + struct net_device *dev, + struct station_del_parameters *params) +{ + struct wil6210_vif *vif = ndev_to_vif(dev); + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + + wil_dbg_misc(wil, "del_station: %pM, reason=%d mid=%d\n", + params->mac, params->reason_code, vif->mid); + + mutex_lock(&wil->mutex); + wil6210_disconnect(vif, params->mac, params->reason_code); + 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_vif *vif = ndev_to_vif(dev); + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + int authorize; + int cid, i; + struct wil_ring_tx_data *txdata = NULL; + + wil_dbg_misc(wil, "change station %pM mask 0x%x set 0x%x mid %d\n", + mac, params->sta_flags_mask, params->sta_flags_set, + vif->mid); + + 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, vif->mid, mac); + if (cid < 0) { + wil_err(wil, "station not found\n"); + return -ENOLINK; + } + + for (i = 0; i < ARRAY_SIZE(wil->ring2cid_tid); i++) + if (wil->ring2cid_tid[i][0] == cid) { + txdata = &wil->ring_tx_data[i]; + break; + } + + if (!txdata) { + wil_err(wil, "ring 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 ring %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 wil6210_vif *vif, + struct wil_probe_client_req *req) +{ + struct net_device *ndev = vif_to_ndev(vif); + 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_vif *vif) +{ + struct list_head *ret = NULL; + + mutex_lock(&vif->probe_client_mutex); + + if (!list_empty(&vif->probe_client_pending)) { + ret = vif->probe_client_pending.next; + list_del(ret); + } + + mutex_unlock(&vif->probe_client_mutex); + + return ret; +} + +void wil_probe_client_worker(struct work_struct *work) +{ + struct wil6210_vif *vif = container_of(work, struct wil6210_vif, + probe_client_worker); + struct wil6210_priv *wil = vif_to_wil(vif); + struct wil_probe_client_req *req; + struct list_head *lh; + + while ((lh = next_probe_client(vif)) != NULL) { + req = list_entry(lh, struct wil_probe_client_req, list); + + wil_probe_client_handle(wil, vif, req); + kfree(req); + } +} + +void wil_probe_client_flush(struct wil6210_vif *vif) +{ + struct wil_probe_client_req *req, *t; + struct wil6210_priv *wil = vif_to_wil(vif); + + wil_dbg_misc(wil, "probe_client_flush\n"); + + mutex_lock(&vif->probe_client_mutex); + + list_for_each_entry_safe(req, t, &vif->probe_client_pending, list) { + list_del(&req->list); + kfree(req); + } + + mutex_unlock(&vif->probe_client_mutex); +} - rc = wil_reset(wil); +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 wil6210_vif *vif = ndev_to_vif(dev); + struct wil_probe_client_req *req; + int cid = wil_find_cid(wil, vif->mid, peer); + + wil_dbg_misc(wil, "probe_client: %pM => CID %d MID %d\n", + peer, cid, vif->mid); + + if (cid < 0) + return -ENOLINK; + + req = kzalloc(sizeof(*req), GFP_KERNEL); + if (!req) + return -ENOMEM; + + req->cid = cid; + req->cookie = cid; + + mutex_lock(&vif->probe_client_mutex); + list_add_tail(&req->list, &vif->probe_client_pending); + mutex_unlock(&vif->probe_client_mutex); + + *cookie = req->cookie; + queue_work(wil->wq_service, &vif->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); + struct wil6210_vif *vif = ndev_to_vif(dev); + + if (params->ap_isolate >= 0) { + wil_dbg_misc(wil, "change_bss: ap_isolate MID %d, %d => %d\n", + vif->mid, vif->ap_isolate, params->ap_isolate); + vif->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) - return rc; + goto out; + + wil_dbg_pm(wil, "suspending\n"); + + mutex_lock(&wil->mutex); + mutex_lock(&wil->vif_mutex); + wil_ftm_stop_operations(wil); + wil_p2p_stop_radio_operations(wil); + wil_abort_scan_all_vifs(wil, true); + mutex_unlock(&wil->vif_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); + struct wil6210_vif *vif = ndev_to_vif(dev); + int i, rc; + + if (vif->mid != 0) + return -EOPNOTSUPP; + + 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_ssid(wil, info->ssid_len, info->ssid); + rc = wmi_set_ie(vif, 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) +{ + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + struct wil6210_vif *vif = ndev_to_vif(dev); + int rc; - /* MAC address - pre-requisite for other commands */ - wmi_set_mac_address(wil, ndev->dev_addr); + if (vif->mid != 0) + return -EOPNOTSUPP; - /* IE's */ - /* bcon 'head IE's are not relevant for 60g band */ - /* - * FW do not form regular beacon, so bcon IE's are not set - * For the DMG bcon, when it will be supported, bcon IE's will - * be reused; add something like: - * wmi_set_ie(wil, WMI_FRAME_BEACON, bcon->beacon_ies_len, - * bcon->beacon_ies); + 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 */ - wmi_set_ie(wil, WMI_FRAME_PROBE_RESP, bcon->proberesp_ies_len, - bcon->proberesp_ies); - wmi_set_ie(wil, WMI_FRAME_ASSOC_RESP, bcon->assocresp_ies_len, - bcon->assocresp_ies); + wil_dbg_misc(wil, "sched scan stopped (%d)\n", rc); - wil->secure_pcp = info->privacy; + return 0; +} - rc = wmi_pcp_start(wil, info->beacon_interval, wmi_nettype, - channel->hw_value); +static int +wil_cfg80211_update_ft_ies(struct wiphy *wiphy, struct net_device *dev, + struct cfg80211_update_ft_ies_params *ftie) +{ + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + struct wil6210_vif *vif = ndev_to_vif(dev); + struct cfg80211_bss *bss; + struct wmi_ft_reassoc_cmd reassoc; + int rc = 0; + + wil_dbg_misc(wil, "update ft ies, mid=%d\n", vif->mid); + wil_hex_dump_misc("FT IE ", DUMP_PREFIX_OFFSET, 16, 1, + ftie->ie, ftie->ie_len, true); + + if (!test_bit(WMI_FW_CAPABILITY_FT_ROAMING, wil->fw_capabilities)) { + wil_err(wil, "FW does not support FT roaming\n"); + return -EOPNOTSUPP; + } + + rc = wmi_update_ft_ies(vif, ftie->ie_len, ftie->ie); if (rc) return rc; - /* Rx VRING. After MAC and beacon */ - rc = wil_rx_init(wil); + if (!test_bit(wil_vif_ft_roam, vif->status)) + /* vif is not roaming */ + return 0; - netif_carrier_on(ndev); + /* wil_vif_ft_roam is set. wil_cfg80211_update_ft_ies is used as + * a trigger for reassoc + */ + + bss = vif->bss; + if (!bss) { + wil_err(wil, "FT: bss is NULL\n"); + return -EINVAL; + } + + memset(&reassoc, 0, sizeof(reassoc)); + ether_addr_copy(reassoc.bssid, bss->bssid); + + rc = wmi_send(wil, WMI_FT_REASSOC_CMDID, vif->mid, + &reassoc, sizeof(reassoc)); + if (rc) + wil_err(wil, "FT: reassoc failed (%d)\n", rc); return rc; } -static int wil_cfg80211_stop_ap(struct wiphy *wiphy, - struct net_device *ndev) +static int wil_switch_board_file(struct wil6210_priv *wil, + const u8 *new_regdomain) { int rc = 0; - struct wil6210_priv *wil = wiphy_to_wil(wiphy); - rc = wmi_pcp_stop(wil); + if (!country_specific_board_file) + return 0; + + if (memcmp(wil->regdomain, CTRY_CHINA, 2) == 0) { + wil_info(wil, "moving out of China reg domain, use default board file\n"); + wil->board_file_country[0] = '\0'; + } else if (memcmp(new_regdomain, CTRY_CHINA, 2) == 0) { + wil_info(wil, "moving into China reg domain, use country specific board file\n"); + strlcpy(wil->board_file_country, CTRY_CHINA, + sizeof(wil->board_file_country)); + } else { + return 0; + } + + /* need to switch board file - reset the device */ + + mutex_lock(&wil->mutex); + + if (!wil_has_active_ifaces(wil, true, false) || + wil_is_recovery_blocked(wil)) + /* new board file will be used in next FW load */ + goto out; + __wil_down(wil); + rc = __wil_up(wil); + +out: + mutex_unlock(&wil->mutex); return rc; } -static struct cfg80211_ops wil_cfg80211_ops = { +static void wil_cfg80211_reg_notify(struct wiphy *wiphy, + struct regulatory_request *request) +{ + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + int rc; + + wil_info(wil, "cfg reg_notify %c%c%s%s initiator %d hint_type %d\n", + request->alpha2[0], request->alpha2[1], + request->intersect ? " intersect" : "", + request->processed ? " processed" : "", + request->initiator, request->user_reg_hint_type); + + if (memcmp(wil->regdomain, request->alpha2, 2) == 0) + /* reg domain did not change */ + return; + + rc = wil_switch_board_file(wil, request->alpha2); + if (rc) + wil_err(wil, "switch board file failed %d\n", rc); + + memcpy(wil->regdomain, request->alpha2, 2); +} + +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, + .update_ft_ies = wil_cfg80211_update_ft_ies, }; static void wil_wiphy_init(struct wiphy *wiphy) { - /* TODO: set real value */ - wiphy->max_scan_ssids = 10; + 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); - /* TODO: enable P2P when integrated with supplicant: - * BIT(NL80211_IFTYPE_P2P_CLIENT) | BIT(NL80211_IFTYPE_P2P_GO) - */ - wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME | - WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD; - dev_warn(wiphy_dev(wiphy), "%s : flags = 0x%08x\n", - __func__, wiphy->flags); + 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 | @@ -507,55 +3018,1196 @@ wiphy->bands[IEEE80211_BAND_60GHZ] = &wil_band_60ghz; - /* TODO: figure this out */ - wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; + /* 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->reg_notifier = wil_cfg80211_reg_notify; + + 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); + + if (ignore_reg_hints) { + wiphy->regulatory_flags |= REGULATORY_DISABLE_BEACON_HINTS; + wiphy->regulatory_flags |= REGULATORY_COUNTRY_IE_IGNORE; + } + +#ifdef CONFIG_PM + wiphy->wowlan = &wil_wowlan_support; +#endif } -struct wireless_dev *wil_cfg80211_init(struct device *dev) +int wil_cfg80211_iface_combinations_from_fw( + struct wil6210_priv *wil, const struct wil_fw_record_concurrency *conc) { - int rc = 0; - struct wireless_dev *wdev; + struct wiphy *wiphy = wil_to_wiphy(wil); + u32 total_limits = 0; + u16 n_combos; + const struct wil_fw_concurrency_combo *combo; + const struct wil_fw_concurrency_limit *limit; + struct ieee80211_iface_combination *iface_combinations; + struct ieee80211_iface_limit *iface_limit; + int i, j; + + if (wiphy->iface_combinations) { + wil_dbg_misc(wil, "iface_combinations already set, skipping\n"); + return 0; + } + + combo = conc->combos; + n_combos = le16_to_cpu(conc->n_combos); + for (i = 0; i < n_combos; i++) { + total_limits += combo->n_limits; + limit = combo->limits + combo->n_limits; + combo = (struct wil_fw_concurrency_combo *)limit; + } + + iface_combinations = + kzalloc(n_combos * sizeof(struct ieee80211_iface_combination) + + total_limits * sizeof(struct ieee80211_iface_limit), + GFP_KERNEL); + if (!iface_combinations) + return -ENOMEM; + iface_limit = (struct ieee80211_iface_limit *)(iface_combinations + + n_combos); + combo = conc->combos; + for (i = 0; i < n_combos; i++) { + iface_combinations[i].max_interfaces = combo->max_interfaces; + iface_combinations[i].num_different_channels = + combo->n_diff_channels; + iface_combinations[i].beacon_int_infra_match = + combo->same_bi; + iface_combinations[i].n_limits = combo->n_limits; + wil_dbg_misc(wil, + "iface_combination %d: max_if %d, num_ch %d, bi_match %d\n", + i, iface_combinations[i].max_interfaces, + iface_combinations[i].num_different_channels, + iface_combinations[i].beacon_int_infra_match); + limit = combo->limits; + for (j = 0; j < combo->n_limits; j++) { + iface_limit[j].max = le16_to_cpu(limit[j].max); + iface_limit[j].types = le16_to_cpu(limit[j].types); + wil_dbg_misc(wil, + "limit %d: max %d types 0x%x\n", j, + iface_limit[j].max, iface_limit[j].types); + } + iface_combinations[i].limits = iface_limit; + iface_limit += combo->n_limits; + limit += combo->n_limits; + combo = (struct wil_fw_concurrency_combo *)limit; + } + + wil_dbg_misc(wil, "multiple VIFs supported, n_mids %d\n", conc->n_mids); + wil->max_vifs = conc->n_mids + 1; /* including main interface */ + if (wil->max_vifs > WIL_MAX_VIFS) { + wil_info(wil, "limited number of VIFs supported(%d, FW %d)\n", + WIL_MAX_VIFS, wil->max_vifs); + wil->max_vifs = WIL_MAX_VIFS; + } + wiphy->n_iface_combinations = n_combos; + wiphy->iface_combinations = iface_combinations; + return 0; +} - wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL); - if (!wdev) +struct wil6210_priv *wil_cfg80211_init(struct device *dev) +{ + struct wiphy *wiphy; + struct wil6210_priv *wil; + struct ieee80211_channel *ch; + + dev_dbg(dev, "%s()\n", __func__); + + /* Note: the wireless_dev structure is no longer allocated here. + * Instead, it is allocated as part of the net_device structure + * for main interface and each VIF. + */ + wiphy = wiphy_new(&wil_cfg80211_ops, sizeof(struct wil6210_priv)); + if (!wiphy) return ERR_PTR(-ENOMEM); - wdev->wiphy = wiphy_new(&wil_cfg80211_ops, - sizeof(struct wil6210_priv)); - if (!wdev->wiphy) { - rc = -ENOMEM; + set_wiphy_dev(wiphy, dev); + wil_wiphy_init(wiphy); + + wil = wiphy_to_wil(wiphy); + wil->wiphy = wiphy; + + /* default monitor channel */ + ch = wiphy->bands[NL80211_BAND_60GHZ]->channels; + cfg80211_chandef_create(&wil->monitor_chandef, ch, NL80211_CHAN_NO_HT); + + return wil; +} + +void wil_cfg80211_deinit(struct wil6210_priv *wil) +{ + struct wiphy *wiphy = wil_to_wiphy(wil); + + dev_dbg(wil_to_dev(wil), "%s()\n", __func__); + + if (!wiphy) + return; + + kfree(wiphy->iface_combinations); + wiphy->iface_combinations = NULL; + + wiphy_free(wiphy); + /* do not access wil6210_priv after returning from here */ +} + +void wil_p2p_wdev_free(struct wil6210_priv *wil) +{ + struct wireless_dev *p2p_wdev; + + mutex_lock(&wil->vif_mutex); + p2p_wdev = wil->p2p_wdev; + wil->p2p_wdev = NULL; + wil->radio_wdev = wil->main_ndev->ieee80211_ptr; + mutex_unlock(&wil->vif_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) +{ + struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev); + 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, + wil_num_supported_channels(wil)), + }, + }; + + 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, vif->mid, + &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]); + + /* Needs adaptation for multiple VIFs */ + ret_val = nla_put_u32(vendor_event, NL80211_ATTR_IFINDEX, + wil->main_ndev->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; } - set_wiphy_dev(wdev->wiphy, dev); - wil_wiphy_init(wdev->wiphy); + if (!tb[QCA_WLAN_VENDOR_ATTR_ACS_HW_MODE]) { + wil_err(wil, "Attr hw_mode failed\n"); + goto out; + } - rc = wiphy_register(wdev->wiphy); - if (rc < 0) - goto out_failed_reg; + hw_mode = nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_ACS_HW_MODE]); - return wdev; + 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 < wil_num_supported_channels(wil); 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); + } + } -out_failed_reg: - wiphy_free(wdev->wiphy); + 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: - kfree(wdev); + 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; +} - return ERR_PTR(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); + struct wil6210_vif *vif = wdev_to_vif(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 = { + .evt = {.status = WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR}, + }; + 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; + rc = wmi_call(wil, WMI_GET_RF_SECTOR_PARAMS_CMDID, vif->mid, + &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); + struct wil6210_vif *vif = wdev_to_vif(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 = { + .evt = {.status = WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR}, + }; + 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; + rc = wmi_call(wil, WMI_SET_RF_SECTOR_PARAMS_CMDID, vif->mid, + &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); + struct wil6210_vif *vif = wdev_to_vif(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 = { + .evt = {.status = WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR}, + }; + 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, vif->mid, mac_addr); + if (cid < 0) { + wil_err(wil, "invalid MAC address %pM\n", mac_addr); + return -ENOENT; + } + } else { + if (test_bit(wil_vif_fwconnected, vif->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; + rc = wmi_call(wil, WMI_GET_SELECTED_RF_SECTOR_INDEX_CMDID, vif->mid, + &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, + u8 mid, 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 = { + .evt = {.status = WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR}, + }; + int rc; + + memset(&cmd, 0, sizeof(cmd)); + cmd.sector_idx = cpu_to_le16(sector_index); + cmd.sector_type = sector_type; + cmd.cid = (u8)cid; + rc = wmi_call(wil, WMI_SET_SELECTED_RF_SECTOR_INDEX_CMDID, mid, + &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); + struct wil6210_vif *vif = wdev_to_vif(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, vif->mid, 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_vif_fwconnected, vif->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, vif->mid, sector_index, + sector_type, cid); + } else { + /* unlock all cids */ + rc = wil_rf_sector_wmi_set_selected( + wil, vif->mid, WMI_INVALID_RF_SECTOR_INDEX, + sector_type, WIL_CID_ALL); + if (rc == -EINVAL) { + for (i = 0; i < max_assoc_sta; i++) { + if (wil->sta[i].mid != vif->mid) + continue; + rc = wil_rf_sector_wmi_set_selected( + wil, vif->mid, + 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 mid, 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, mid, &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 wil6210_vif *vif = wdev_to_vif(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, vif->mid, 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, vif->mid, cid, limit_mode, + antenna_num_limit); +} + +static int wil_nl_60g_handle_cmd(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]; + struct wil_nl_60g_send_receive_wmi *cmd; + struct wil_nl_60g_debug_force_wmi debug_force_wmi; + int rc, len; + u32 wil_nl_60g_cmd_type, publish; + + rc = nla_parse(tb, QCA_ATTR_WIL_MAX, data, data_len, + wil_nl_60g_policy); + if (rc) { + wil_err(wil, "Invalid nl_60g_cmd ATTR\n"); + return rc; + } + + if (!tb[WIL_ATTR_60G_CMD_TYPE]) { + wil_err(wil, "Invalid nl_60g_cmd type\n"); + return -EINVAL; + } + + wil_nl_60g_cmd_type = nla_get_u32(tb[WIL_ATTR_60G_CMD_TYPE]); + + switch (wil_nl_60g_cmd_type) { + case NL_60G_CMD_REGISTER: + if (!tb[WIL_ATTR_60G_BUF]) { + wil_err(wil, "Invalid nl_60g_cmd spec\n"); + return -EINVAL; + } + + len = nla_len(tb[WIL_ATTR_60G_BUF]); + if (len != sizeof(publish)) { + wil_err(wil, "cmd buffer wrong len %d\n", len); + return -EINVAL; + } + memcpy(&publish, nla_data(tb[WIL_ATTR_60G_BUF]), len); + wil->publish_nl_evt = publish; + + wil_dbg_wmi(wil, "Publish wmi event %s\n", + publish ? "enabled" : "disabled"); + break; + case NL_60G_CMD_DEBUG: + if (!tb[WIL_ATTR_60G_BUF]) { + wil_err(wil, "Invalid nl_60g_cmd spec\n"); + return -EINVAL; + } + + len = nla_len(tb[WIL_ATTR_60G_BUF]); + if (len < sizeof(struct wil_nl_60g_debug)) { + wil_err(wil, "cmd buffer too short %d\n", len); + return -EINVAL; + } + + memcpy(&debug_force_wmi, nla_data(tb[WIL_ATTR_60G_BUF]), + sizeof(struct wil_nl_60g_debug)); + + switch (debug_force_wmi.hdr.cmd_id) { + case NL_60G_DBG_FORCE_WMI_SEND: + if (len != sizeof(debug_force_wmi)) { + wil_err(wil, "cmd buffer wrong len %d\n", len); + return -EINVAL; + } + + memcpy(&debug_force_wmi, nla_data(tb[WIL_ATTR_60G_BUF]), + sizeof(debug_force_wmi)); + wil->force_wmi_send = debug_force_wmi.enable; + + wil_dbg_wmi(wil, "force sending wmi commands %d\n", + wil->force_wmi_send); + break; + case NL_60G_GEN_FW_RESET: + if (!test_bit(WMI_FW_CAPABILITY_WMI_ONLY, + wil->fw_capabilities)) { + rc = -EOPNOTSUPP; + break; + } + + wil_dbg_misc(wil, + "NL_60G_GEN_FW_RESET, resetting...\n"); + + mutex_lock(&wil->mutex); + down_write(&wil->mem_lock); + rc = wil_reset(wil, true); + up_write(&wil->mem_lock); + mutex_unlock(&wil->mutex); + + break; + default: + rc = -EINVAL; + wil_err(wil, "invalid debug_cmd id %d", + debug_force_wmi.hdr.cmd_id); + } + break; + case NL_60G_CMD_FW_WMI: + if (!tb[WIL_ATTR_60G_BUF]) { + wil_err(wil, "Invalid nl_60g_cmd spec\n"); + return -EINVAL; + } + + len = nla_len(tb[WIL_ATTR_60G_BUF]); + if (len < offsetof(struct wil_nl_60g_send_receive_wmi, buf)) { + wil_err(wil, "wmi cmd buffer too small\n"); + return -EINVAL; + } + + cmd = kmalloc(len, GFP_KERNEL); + if (!cmd) + return -ENOMEM; + + memcpy(cmd, nla_data(tb[WIL_ATTR_60G_BUF]), (unsigned int)len); + + wil_dbg_wmi(wil, "sending user-space command (0x%04x) [%d]\n", + cmd->cmd_id, cmd->buf_len); + + if (wil->force_wmi_send) + rc = wmi_force_send(wil, cmd->cmd_id, cmd->dev_id, + cmd->buf, cmd->buf_len); + else + rc = wmi_send(wil, cmd->cmd_id, cmd->dev_id, + cmd->buf, cmd->buf_len); + + kfree(cmd); + break; + default: + rc = -EINVAL; + wil_err(wil, "invalid nl_60g_cmd type %d", wil_nl_60g_cmd_type); + } + + return rc; } -void wil_wdev_free(struct wil6210_priv *wil) +void wil_nl_60g_receive_wmi_evt(struct wil6210_priv *wil, u8 *cmd, int len) { - struct wireless_dev *wdev = wil_to_wdev(wil); + struct sk_buff *vendor_event = NULL; + struct wil_nl_60g_event *evt; + struct wil_nl_60g_send_receive_wmi *wmi_buf; + struct wmi_cmd_hdr *wmi_hdr = (struct wmi_cmd_hdr *)cmd; + int data_len; + + if (!wil->publish_nl_evt) + return; + + wil_dbg_wmi(wil, "report wmi event to user-space (0x%04x) [%d]\n", + le16_to_cpu(wmi_hdr->command_id), len); + + data_len = len - sizeof(struct wmi_cmd_hdr); - if (!wdev) + evt = kzalloc(sizeof(*evt) + sizeof(*wmi_buf) + data_len, GFP_KERNEL); + if (!evt) return; - wiphy_unregister(wdev->wiphy); - wiphy_free(wdev->wiphy); - kfree(wdev); + evt->evt_type = NL_60G_EVT_FW_WMI; + evt->buf_len = sizeof(*wmi_buf) + data_len; + + wmi_buf = (struct wil_nl_60g_send_receive_wmi *)evt->buf; + + wmi_buf->cmd_id = le16_to_cpu(wmi_hdr->command_id); + wmi_buf->dev_id = wmi_hdr->mid; + wmi_buf->buf_len = data_len; + memcpy(wmi_buf->buf, cmd + sizeof(struct wmi_cmd_hdr), data_len); + + vendor_event = cfg80211_vendor_event_alloc( + wil_to_wiphy(wil), + NULL, + data_len + 4 + NLMSG_HDRLEN + + sizeof(*evt) + sizeof(*wmi_buf), + QCA_NL80211_VENDOR_EVENT_UNSPEC_INDEX, + GFP_KERNEL); + if (!vendor_event) + goto out; + + if (nla_put(vendor_event, WIL_ATTR_60G_BUF, + sizeof(*evt) + sizeof(*wmi_buf) + data_len, evt)) { + wil_err(wil, "failed to fill WIL_ATTR_60G_BUF\n"); + goto out; + } + + cfg80211_vendor_event(vendor_event, GFP_KERNEL); + +out: + kfree(evt); }