diff options
Diffstat (limited to 'drivers/net/wireless/ath/wil6210/cfg80211.c')
| -rw-r--r-- | drivers/net/wireless/ath/wil6210/cfg80211.c | 3312 |
1 files changed, 3312 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/wil6210/cfg80211.c b/drivers/net/wireless/ath/wil6210/cfg80211.c new file mode 100644 index 000000000..40f9a7ef8 --- /dev/null +++ b/drivers/net/wireless/ath/wil6210/cfg80211.c @@ -0,0 +1,3312 @@ +// SPDX-License-Identifier: ISC +/* + * Copyright (c) 2012-2017 Qualcomm Atheros, Inc. + * Copyright (c) 2018-2019, The Linux Foundation. All rights reserved. + */ + +#include <linux/etherdevice.h> +#include <linux/moduleparam.h> +#include <net/netlink.h> +#include <net/cfg80211.h> +#include "wil6210.h" +#include "wmi.h" +#include "fw.h" + +#define WIL_MAX_ROC_DURATION_MS 5000 + +#define WIL_EDMG_CHANNEL_9_SUBCHANNELS (BIT(0) | BIT(1)) +#define WIL_EDMG_CHANNEL_10_SUBCHANNELS (BIT(1) | BIT(2)) +#define WIL_EDMG_CHANNEL_11_SUBCHANNELS (BIT(2) | BIT(3)) + +/* WIL_EDMG_BW_CONFIGURATION define the allowed channel bandwidth + * configurations as defined by IEEE 802.11 section 9.4.2.251, Table 13. + * The value 5 allowing CB1 and CB2 of adjacent channels. + */ +#define WIL_EDMG_BW_CONFIGURATION 5 + +/* WIL_EDMG_CHANNELS is a bitmap that indicates the 2.16 GHz channel(s) that + * are allowed to be used for EDMG transmissions in the BSS as defined by + * IEEE 802.11 section 9.4.2.251. + */ +#define WIL_EDMG_CHANNELS (BIT(0) | BIT(1) | BIT(2) | BIT(3)) + +bool disable_ap_sme; +module_param(disable_ap_sme, bool, 0444); +MODULE_PARM_DESC(disable_ap_sme, " let user space handle AP mode SME"); + +#ifdef CONFIG_PM +static struct wiphy_wowlan_support wil_wowlan_support = { + .flags = WIPHY_WOWLAN_ANY | WIPHY_WOWLAN_DISCONNECT, +}; +#endif + +#define CHAN60G(_channel, _flags) { \ + .band = NL80211_BAND_60GHZ, \ + .center_freq = 56160 + (2160 * (_channel)), \ + .hw_value = (_channel), \ + .flags = (_flags), \ + .max_antenna_gain = 0, \ + .max_power = 40, \ +} + +static struct ieee80211_channel wil_60ghz_channels[] = { + CHAN60G(1, 0), + CHAN60G(2, 0), + CHAN60G(3, 0), + CHAN60G(4, 0), +}; + +/* Rx channel bonding mode */ +enum wil_rx_cb_mode { + WIL_RX_CB_MODE_DMG, + WIL_RX_CB_MODE_EDMG, + WIL_RX_CB_MODE_WIDE, +}; + +static int wil_rx_cb_mode_to_n_bonded(u8 cb_mode) +{ + switch (cb_mode) { + case WIL_RX_CB_MODE_DMG: + case WIL_RX_CB_MODE_EDMG: + return 1; + case WIL_RX_CB_MODE_WIDE: + return 2; + default: + return 1; + } +} + +static int wil_tx_cb_mode_to_n_bonded(u8 cb_mode) +{ + switch (cb_mode) { + case WMI_TX_MODE_DMG: + case WMI_TX_MODE_EDMG_CB1: + return 1; + case WMI_TX_MODE_EDMG_CB2: + return 2; + default: + return 1; + } +} + +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; + } +} + +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); + + if (test_bit(WMI_FW_CAPABILITY_CHANNEL_BONDING, wil->fw_capabilities)) { + wiphy->bands[NL80211_BAND_60GHZ]->edmg_cap.channels = + WIL_EDMG_CHANNELS; + wiphy->bands[NL80211_BAND_60GHZ]->edmg_cap.bw_config = + WIL_EDMG_BW_CONFIGURATION; + } +} + +/* 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 + +#define WIL_MAX_RF_SECTORS (128) +#define WIL_CID_ALL (0xff) + +enum qca_wlan_vendor_attr_rf_sector { + QCA_ATTR_MAC_ADDR = 6, + QCA_ATTR_PAD = 13, + QCA_ATTR_TSF = 29, + QCA_ATTR_DMG_RF_SECTOR_INDEX = 30, + QCA_ATTR_DMG_RF_SECTOR_TYPE = 31, + QCA_ATTR_DMG_RF_MODULE_MASK = 32, + QCA_ATTR_DMG_RF_SECTOR_CFG = 33, + QCA_ATTR_DMG_RF_SECTOR_MAX, +}; + +enum qca_wlan_vendor_attr_dmg_rf_sector_type { + QCA_ATTR_DMG_RF_SECTOR_TYPE_RX, + QCA_ATTR_DMG_RF_SECTOR_TYPE_TX, + QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX +}; + +enum qca_wlan_vendor_attr_dmg_rf_sector_cfg { + QCA_ATTR_DMG_RF_SECTOR_CFG_INVALID = 0, + QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX, + QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0, + QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1, + QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2, + QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI, + QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO, + QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16, + + /* keep last */ + QCA_ATTR_DMG_RF_SECTOR_CFG_AFTER_LAST, + QCA_ATTR_DMG_RF_SECTOR_CFG_MAX = + QCA_ATTR_DMG_RF_SECTOR_CFG_AFTER_LAST - 1 +}; + +static const struct +nla_policy wil_rf_sector_policy[QCA_ATTR_DMG_RF_SECTOR_MAX + 1] = { + [QCA_ATTR_MAC_ADDR] = { .len = ETH_ALEN }, + [QCA_ATTR_DMG_RF_SECTOR_INDEX] = { .type = NLA_U16 }, + [QCA_ATTR_DMG_RF_SECTOR_TYPE] = { .type = NLA_U8 }, + [QCA_ATTR_DMG_RF_MODULE_MASK] = { .type = NLA_U32 }, + [QCA_ATTR_DMG_RF_SECTOR_CFG] = { .type = NLA_NESTED }, +}; + +static const struct +nla_policy wil_rf_sector_cfg_policy[QCA_ATTR_DMG_RF_SECTOR_CFG_MAX + 1] = { + [QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX] = { .type = NLA_U8 }, + [QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0] = { .type = NLA_U32 }, + [QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1] = { .type = NLA_U32 }, + [QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2] = { .type = NLA_U32 }, + [QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI] = { .type = NLA_U32 }, + [QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO] = { .type = NLA_U32 }, + [QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16] = { .type = NLA_U32 }, +}; + +enum qca_nl80211_vendor_subcmds { + QCA_NL80211_VENDOR_SUBCMD_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, +}; + +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); + +/* 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_DMG_RF_GET_SECTOR_CFG, + .flags = WIPHY_VENDOR_CMD_NEED_WDEV | + WIPHY_VENDOR_CMD_NEED_RUNNING, + .policy = wil_rf_sector_policy, + .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, + .policy = wil_rf_sector_policy, + .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, + .policy = wil_rf_sector_policy, + .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, + .policy = wil_rf_sector_policy, + .doit = wil_rf_sector_set_selected + }, +}; + +static struct ieee80211_supported_band wil_band_60ghz = { + .channels = wil_60ghz_channels, + .n_channels = ARRAY_SIZE(wil_60ghz_channels), + .ht_cap = { + .ht_supported = true, + .cap = 0, /* TODO */ + .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K, /* TODO */ + .ampdu_density = IEEE80211_HT_MPDU_DENSITY_8, /* TODO */ + .mcs = { + /* MCS 1..12 - SC PHY */ + .rx_mask = {0xfe, 0x1f}, /* 1..12 */ + .tx_params = IEEE80211_HT_MCS_TX_DEFINED, /* TODO */ + }, + }, +}; + +static const struct ieee80211_txrx_stypes +wil_mgmt_stypes[NUM_NL80211_IFTYPES] = { + [NL80211_IFTYPE_STATION] = { + .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | + BIT(IEEE80211_STYPE_PROBE_RESP >> 4), + .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | + BIT(IEEE80211_STYPE_PROBE_REQ >> 4) + }, + [NL80211_IFTYPE_AP] = { + .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | + BIT(IEEE80211_STYPE_PROBE_RESP >> 4) | + BIT(IEEE80211_STYPE_ASSOC_RESP >> 4) | + BIT(IEEE80211_STYPE_DISASSOC >> 4) | + 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_ASSOC_REQ >> 4) | + BIT(IEEE80211_STYPE_DISASSOC >> 4) | + BIT(IEEE80211_STYPE_AUTH >> 4) | + BIT(IEEE80211_STYPE_DEAUTH >> 4) | + BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) + }, + [NL80211_IFTYPE_P2P_CLIENT] = { + .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | + BIT(IEEE80211_STYPE_PROBE_RESP >> 4), + .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | + BIT(IEEE80211_STYPE_PROBE_REQ >> 4) + }, + [NL80211_IFTYPE_P2P_GO] = { + .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | + BIT(IEEE80211_STYPE_PROBE_RESP >> 4), + .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | + BIT(IEEE80211_STYPE_PROBE_REQ >> 4) + }, + [NL80211_IFTYPE_P2P_DEVICE] = { + .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | + BIT(IEEE80211_STYPE_PROBE_RESP >> 4), + .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | + BIT(IEEE80211_STYPE_PROBE_REQ >> 4) + }, +}; + +static const u32 wil_cipher_suites[] = { + WLAN_CIPHER_SUITE_GCMP, +}; + +static const char * const key_usage_str[] = { + [WMI_KEY_USE_PAIRWISE] = "PTK", + [WMI_KEY_USE_RX_GROUP] = "RX_GTK", + [WMI_KEY_USE_TX_GROUP] = "TX_GTK", + [WMI_KEY_USE_STORE_PTK] = "STORE_PTK", + [WMI_KEY_USE_APPLY_PTK] = "APPLY_PTK", +}; + +int wil_iftype_nl2wmi(enum nl80211_iftype type) +{ + static const struct { + enum nl80211_iftype nl; + enum wmi_network_type wmi; + } __nl2wmi[] = { + {NL80211_IFTYPE_ADHOC, WMI_NETTYPE_ADHOC}, + {NL80211_IFTYPE_STATION, WMI_NETTYPE_INFRA}, + {NL80211_IFTYPE_AP, WMI_NETTYPE_AP}, + {NL80211_IFTYPE_P2P_CLIENT, WMI_NETTYPE_P2P}, + {NL80211_IFTYPE_P2P_GO, WMI_NETTYPE_P2P}, + {NL80211_IFTYPE_MONITOR, WMI_NETTYPE_ADHOC}, /* FIXME */ + }; + uint i; + + for (i = 0; i < ARRAY_SIZE(__nl2wmi); i++) { + if (__nl2wmi[i].nl == type) + return __nl2wmi[i].wmi; + } + + return -EOPNOTSUPP; +} + +int wil_spec2wmi_ch(u8 spec_ch, u8 *wmi_ch) +{ + 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 = 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; + u8 tx_mcs, rx_mcs; + u8 tx_rate_flag = RATE_INFO_FLAGS_DMG; + u8 rx_rate_flag = RATE_INFO_FLAGS_DMG; + + memset(&reply, 0, sizeof(reply)); + + 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; + + tx_mcs = le16_to_cpu(reply.evt.bf_mcs); + + wil_dbg_wmi(wil, "Link status for CID %d MID %d: {\n" + " MCS %s 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" + " Tx mode %d}\n", + cid, vif->mid, WIL_EXTENDED_MCS_CHECK(tx_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), + reply.evt.tx_mode); + + sinfo->generation = wil->sinfo_gen; + + sinfo->filled = BIT_ULL(NL80211_STA_INFO_RX_BYTES) | + BIT_ULL(NL80211_STA_INFO_TX_BYTES) | + BIT_ULL(NL80211_STA_INFO_RX_PACKETS) | + BIT_ULL(NL80211_STA_INFO_TX_PACKETS) | + BIT_ULL(NL80211_STA_INFO_RX_BITRATE) | + BIT_ULL(NL80211_STA_INFO_TX_BITRATE) | + BIT_ULL(NL80211_STA_INFO_RX_DROP_MISC) | + BIT_ULL(NL80211_STA_INFO_TX_FAILED); + + if (wil->use_enhanced_dma_hw && reply.evt.tx_mode != WMI_TX_MODE_DMG) { + tx_rate_flag = RATE_INFO_FLAGS_EDMG; + rx_rate_flag = RATE_INFO_FLAGS_EDMG; + } + + rx_mcs = stats->last_mcs_rx; + + /* check extended MCS (12.1) and convert it into + * base MCS (7) + EXTENDED_SC_DMG flag + */ + if (tx_mcs == WIL_EXTENDED_MCS_26) { + tx_rate_flag = RATE_INFO_FLAGS_EXTENDED_SC_DMG; + tx_mcs = WIL_BASE_MCS_FOR_EXTENDED_26; + } + if (rx_mcs == WIL_EXTENDED_MCS_26) { + rx_rate_flag = RATE_INFO_FLAGS_EXTENDED_SC_DMG; + rx_mcs = WIL_BASE_MCS_FOR_EXTENDED_26; + } + + sinfo->txrate.flags = tx_rate_flag; + sinfo->rxrate.flags = rx_rate_flag; + sinfo->txrate.mcs = tx_mcs; + sinfo->rxrate.mcs = rx_mcs; + + sinfo->txrate.n_bonded_ch = + wil_tx_cb_mode_to_n_bonded(reply.evt.tx_mode); + sinfo->rxrate.n_bonded_ch = + wil_rx_cb_mode_to_n_bonded(stats->last_cb_mode_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_ULL(NL80211_STA_INFO_SIGNAL); + if (test_bit(WMI_FW_CAPABILITY_RSSI_REPORTING, + wil->fw_capabilities)) + sinfo->signal = reply.evt.rssi; + else + sinfo->signal = reply.evt.sqi; + } + + return rc; +} + +static int wil_cfg80211_get_station(struct wiphy *wiphy, + struct net_device *ndev, + const u8 *mac, struct station_info *sinfo) +{ + struct wil6210_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(wil, cid)) + return -ENOENT; + + rc = wil_cid_fill_sinfo(vif, cid, sinfo); + + return rc; +} + +/* + * Find @idx-th active STA for specific MID for station dump. + */ +int wil_find_cid_by_idx(struct wil6210_priv *wil, u8 mid, int idx) +{ + int i; + + for (i = 0; i < wil->max_assoc_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(wil, 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 < GET_MAX_VIFS(wil); 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, ¶ms); +} + +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 < GET_MAX_VIFS(wil); 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, ¶ms); + } + 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, + 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)) { + eth_hw_addr_set(ndev, params->macaddr); + } else { + u8 addr[ETH_ALEN]; + + ether_addr_copy(addr, ndev_main->perm_addr); + addr[0] = (addr[0] ^ (1 << vif->mid)) | 0x2; /* locally administered */ + eth_hw_addr_set(ndev, addr); + } + 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, + struct vif_params *params) +{ + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + 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: + case NL80211_IFTYPE_AP: + case NL80211_IFTYPE_P2P_CLIENT: + case NL80211_IFTYPE_P2P_GO: + break; + case NL80211_IFTYPE_MONITOR: + if (params->flags) + wil->monitor_flags = params->flags; + break; + default: + return -EOPNOTSUPP; + } + + 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; +} + +static int wil_cfg80211_scan(struct wiphy *wiphy, + struct cfg80211_scan_request *request) +{ + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + struct wireless_dev *wdev = request->wdev; + struct 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; + + wil_dbg_misc(wil, "scan: wdev=0x%p iftype=%d\n", wdev, wdev->iftype); + + /* 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, "Can't scan now\n"); + return -EBUSY; + } + + 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\n", request); + wil_dbg_misc(wil, "SSID count: %d", request->n_ssids); + + for (i = 0; i < request->n_ssids; i++) { + wil_dbg_misc(wil, "SSID[%d]", i); + wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1, + request->ssids[i].ssid, + request->ssids[i].ssid_len, true); + } + + if (request->n_ssids) + rc = wmi_set_ssid(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 + WIL6210_SCAN_TO); + + memset(&cmd, 0, sizeof(cmd)); + cmd.cmd.scan_type = WMI_ACTIVE_SCAN; + cmd.cmd.num_channels = 0; + n = min(request->n_channels, 4U); + for (i = 0; i < n; i++) { + int ch = request->channels[i]->hw_value; + + if (ch == 0) { + wil_err(wil, + "Scan requested for unknown frequency %dMhz\n", + request->channels[i]->center_freq); + continue; + } + /* 0-based channel indexes */ + cmd.cmd.channel_list[cmd.cmd.num_channels++].channel = ch - 1; + wil_dbg_misc(wil, "Scan for ch %d : %d MHz\n", ch, + request->channels[i]->center_freq); + } + + if (request->ie_len) + wil_hex_dump_misc("Scan IE ", DUMP_PREFIX_OFFSET, 16, 1, + request->ie, request->ie_len, true); + else + wil_dbg_misc(wil, "Scan has no IE's\n"); + + rc = wmi_set_ie(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); + if (sme->prev_bssid) + wil_info(wil, " Previous BSSID=%pM\n", sme->prev_bssid); + 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 (!sme->prev_bssid) { + wil_err(wil, "FT: prev_bssid was not set\n"); + return -EINVAL; + } + + if (ether_addr_equal(sme->prev_bssid, sme->bssid)) { + wil_err(wil, "FT: can not roam to same AP\n"); + return -EINVAL; + } + + 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); + + 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_get_wmi_edmg_channel(struct wil6210_priv *wil, u8 edmg_bw_config, + u8 edmg_channels, u8 *wmi_ch) +{ + if (!edmg_bw_config) { + *wmi_ch = 0; + return 0; + } else if (edmg_bw_config == WIL_EDMG_BW_CONFIGURATION) { + /* convert from edmg channel bitmap into edmg channel number */ + switch (edmg_channels) { + case WIL_EDMG_CHANNEL_9_SUBCHANNELS: + return wil_spec2wmi_ch(9, wmi_ch); + case WIL_EDMG_CHANNEL_10_SUBCHANNELS: + return wil_spec2wmi_ch(10, wmi_ch); + case WIL_EDMG_CHANNEL_11_SUBCHANNELS: + return wil_spec2wmi_ch(11, wmi_ch); + default: + wil_err(wil, "Unsupported edmg channel bitmap 0x%x\n", + edmg_channels); + return -EINVAL; + } + } else { + wil_err(wil, "Unsupported EDMG BW configuration %d\n", + edmg_bw_config); + return -EINVAL; + } +} + +static int wil_cfg80211_connect(struct wiphy *wiphy, + struct net_device *ndev, + struct cfg80211_connect_params *sme) +{ + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + struct 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, + bss_type, IEEE80211_PRIVACY_ANY); + if (!bss) { + wil_err(wil, "Unable to find BSS\n"); + return -ENOENT; + } + + ssid_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SSID); + if (!ssid_eid) { + wil_err(wil, "No SSID\n"); + rc = -ENOENT; + goto out; + } + vif->privacy = sme->privacy; + vif->pbss = sme->pbss; + + rc = wmi_set_ie(vif, WMI_FRAME_ASSOC_REQ, sme->ie_len, sme->ie); + if (rc) + goto out; + + switch (bss->capability & WLAN_CAPABILITY_DMG_TYPE_MASK) { + case WLAN_CAPABILITY_DMG_TYPE_AP: + network_type = WMI_NETTYPE_INFRA; + break; + case WLAN_CAPABILITY_DMG_TYPE_PBSS: + network_type = WMI_NETTYPE_P2P; + break; + default: + wil_err(wil, "Unsupported BSS type, capability= 0x%04x\n", + bss->capability); + rc = -EINVAL; + goto out; + } + + ch = bss->channel->hw_value; + if (ch == 0) { + wil_err(wil, "BSS at unknown frequency %dMhz\n", + bss->channel->center_freq); + rc = -EOPNOTSUPP; + goto out; + } + + 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; + + rc = wil_get_wmi_edmg_channel(wil, sme->edmg.bw_config, + sme->edmg.channels, &conn.edmg_channel); + if (rc < 0) + return rc; + + 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)) + wil6210_bus_request(wil, WIL_MAX_BUS_REQUEST_KBPS); + vif->bss = bss; + /* Connect can take lots of time */ + mod_timer(&vif->connect_timer, + jiffies + msecs_to_jiffies(5000)); + } else { + clear_bit(wil_vif_fwconnecting, vif->status); + } + + out: + cfg80211_put_bss(wiphy, bss); + + return rc; +} + +static int wil_cfg80211_disconnect(struct wiphy *wiphy, + struct net_device *ndev, + u16 reason_code) +{ + int rc; + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + 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; +} + +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 (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; + } + + /* 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; +} + +static int wil_cfg80211_set_channel(struct wiphy *wiphy, + struct cfg80211_chan_def *chandef) +{ + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + + wil->monitor_chandef = *chandef; + + return 0; +} + +static enum wmi_key_usage wil_detect_key_usage(struct 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_STORE_PTK: + 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, int link_id, + 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); + + if (!params) { + wil_err(wil, "NULL params\n"); + return -EINVAL; + } + + wil_dbg_misc(wil, "add_key: %pM %s[%d] PN %*phN\n", + mac_addr, key_usage_str[key_usage], key_index, + params->seq_len, params->seq); + + if (IS_ERR(cs)) { + /* 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; + } + } else { + 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; + } + + spin_lock_bh(&wil->eap_lock); + if (pairwise && wdev->iftype == NL80211_IFTYPE_STATION && + (vif->ptk_rekey_state == WIL_REKEY_M3_RECEIVED || + vif->ptk_rekey_state == WIL_REKEY_WAIT_M4_SENT)) { + key_usage = WMI_KEY_USE_STORE_PTK; + vif->ptk_rekey_state = WIL_REKEY_WAIT_M4_SENT; + wil_dbg_misc(wil, "Store EAPOL key\n"); + } + spin_unlock_bh(&wil->eap_lock); + + rc = wmi_add_cipher_key(vif, key_index, mac_addr, params->key_len, + params->key, key_usage); + if (!rc && !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, + struct net_device *ndev, int link_id, + 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); + + return wmi_del_cipher_key(vif, key_index, mac_addr, key_usage); +} + +/* Need to be present or wiphy_new() will WARN */ +static int wil_cfg80211_set_default_key(struct wiphy *wiphy, + struct net_device *ndev, int link_id, + 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; + 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 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, u8 wmi_edmg_channel, + 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->wmi_edmg_channel = wmi_edmg_channel; + vif->hidden_ssid = hidden_ssid; + vif->pbss = pbss; + vif->bi = bi; + memcpy(vif->ssid, ssid, ssid_len); + vif->ssid_len = ssid_len; + + netif_carrier_on(ndev); + if (!wil_has_other_active_ifaces(wil, ndev, false, true)) + wil6210_bus_request(wil, WIL_MAX_BUS_REQUEST_KBPS); + + rc = wmi_pcp_start(vif, bi, wmi_nettype, chan, wmi_edmg_channel, + hidden_ssid, is_go); + if (rc) + goto err_pcp_start; + + rc = wil_bcast_init(vif); + if (rc) + goto err_bcast; + + 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); +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 < GET_MAX_VIFS(wil); 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, + vif->wmi_edmg_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, -1, 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; + + 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->u.ap.ssid, wdev->u.ap.ssid_len); + vif->ssid_len = wdev->u.ap.ssid_len; + + /* 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->links[0].ap.beacon_interval, + vif->channel, + vif->wmi_edmg_channel, bcon, + vif->hidden_ssid, + vif->pbss); + } else { + rc = _wil_cfg80211_set_ies(vif, bcon); + } + + return rc; +} + +static int wil_cfg80211_start_ap(struct wiphy *wiphy, + struct net_device *ndev, + struct cfg80211_ap_settings *info) +{ + int rc; + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + struct ieee80211_channel *channel = info->chandef.chan; + struct cfg80211_beacon_data *bcon = &info->beacon; + struct cfg80211_crypto_settings *crypto = &info->crypto; + u8 wmi_edmg_channel; + u8 hidden_ssid; + + wil_dbg_misc(wil, "start_ap\n"); + + rc = wil_get_wmi_edmg_channel(wil, info->chandef.edmg.bw_config, + info->chandef.edmg.channels, + &wmi_edmg_channel); + if (rc < 0) + return rc; + + if (!channel) { + wil_err(wil, "AP: No channel???\n"); + return -EINVAL; + } + + switch (info->hidden_ssid) { + case NL80211_HIDDEN_SSID_NOT_IN_USE: + hidden_ssid = WMI_HIDDEN_SSID_DISABLED; + break; + + case NL80211_HIDDEN_SSID_ZERO_LEN: + hidden_ssid = WMI_HIDDEN_SSID_SEND_EMPTY; + break; + + case NL80211_HIDDEN_SSID_ZERO_CONTENTS: + hidden_ssid = WMI_HIDDEN_SSID_CLEAR; + break; + + default: + wil_err(wil, "AP: Invalid hidden SSID %d\n", info->hidden_ssid); + return -EOPNOTSUPP; + } + wil_dbg_misc(wil, "AP on Channel %d %d MHz, %s\n", channel->hw_value, + channel->center_freq, info->privacy ? "secure" : "open"); + wil_dbg_misc(wil, "Privacy: %d auth_type %d\n", + info->privacy, info->auth_type); + wil_dbg_misc(wil, "Hidden SSID mode: %d\n", + info->hidden_ssid); + wil_dbg_misc(wil, "BI %d DTIM %d\n", info->beacon_interval, + info->dtim_period); + wil_dbg_misc(wil, "PBSS %d\n", info->pbss); + wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1, + info->ssid, info->ssid_len, true); + wil_print_bcon_data(bcon); + wil_print_crypto(wil, crypto); + + rc = _wil_cfg80211_start_ap(wiphy, ndev, + info->ssid, info->ssid_len, info->privacy, + info->beacon_interval, channel->hw_value, + wmi_edmg_channel, bcon, hidden_ssid, + info->pbss); + + return rc; +} + +static int wil_cfg80211_stop_ap(struct wiphy *wiphy, + struct net_device *ndev, + unsigned int link_id) +{ + 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); + 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 (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, + 0, false, 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); +} + +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) + goto out; + + wil_dbg_pm(wil, "suspending\n"); + + mutex_lock(&wil->mutex); + mutex_lock(&wil->vif_mutex); + 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_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, + u64 reqid) +{ + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + struct wil6210_vif *vif = ndev_to_vif(dev); + int rc; + + if (vif->mid != 0) + return -EOPNOTSUPP; + + rc = wmi_stop_sched_scan(wil); + /* device would return error if it thinks PNO is already stopped. + * ignore the return code so user space and driver gets back in-sync + */ + wil_dbg_misc(wil, "sched scan stopped (%d)\n", rc); + + return 0; +} + +static 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; + + if (!test_bit(wil_vif_ft_roam, vif->status)) + /* vif is not roaming */ + return 0; + + /* 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_set_multicast_to_unicast(struct wiphy *wiphy, + struct net_device *dev, + const bool enabled) +{ + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + + if (wil->multicast_to_unicast == enabled) + return 0; + + wil_info(wil, "set multicast to unicast, enabled=%d\n", enabled); + wil->multicast_to_unicast = enabled; + + return 0; +} + +static int wil_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy, + struct net_device *dev, + s32 rssi_thold, u32 rssi_hyst) +{ + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + int rc; + + wil->cqm_rssi_thold = rssi_thold; + + rc = wmi_set_cqm_rssi_config(wil, rssi_thold, rssi_hyst); + if (rc) + /* reset stored value upon failure */ + wil->cqm_rssi_thold = 0; + + return rc; +} + +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, + .set_cqm_rssi_config = wil_cfg80211_set_cqm_rssi_config, + .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, + .set_multicast_to_unicast = wil_cfg80211_set_multicast_to_unicast, +}; + +static void wil_wiphy_init(struct wiphy *wiphy) +{ + wiphy->max_scan_ssids = 1; + wiphy->max_scan_ie_len = WMI_MAX_IE_LEN; + wiphy->max_remain_on_channel_duration = WIL_MAX_ROC_DURATION_MS; + wiphy->max_num_pmkids = 0 /* TODO: */; + wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | + BIT(NL80211_IFTYPE_AP) | + BIT(NL80211_IFTYPE_P2P_CLIENT) | + BIT(NL80211_IFTYPE_P2P_GO) | + BIT(NL80211_IFTYPE_P2P_DEVICE) | + BIT(NL80211_IFTYPE_MONITOR); + wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | + WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD | + WIPHY_FLAG_PS_ON_BY_DEFAULT; + if (!disable_ap_sme) + wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME; + dev_dbg(wiphy_dev(wiphy), "%s : flags = 0x%08x\n", + __func__, wiphy->flags); + wiphy->probe_resp_offload = + NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | + NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | + NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; + + wiphy->bands[NL80211_BAND_60GHZ] = &wil_band_60ghz; + + /* may change after reading FW capabilities */ + wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC; + + wiphy->cipher_suites = wil_cipher_suites; + wiphy->n_cipher_suites = ARRAY_SIZE(wil_cipher_suites); + wiphy->mgmt_stypes = wil_mgmt_stypes; + wiphy->features |= NL80211_FEATURE_SK_TX_STATUS; + + wiphy->n_vendor_commands = ARRAY_SIZE(wil_nl80211_vendor_commands); + wiphy->vendor_commands = wil_nl80211_vendor_commands; + +#ifdef CONFIG_PM + wiphy->wowlan = &wil_wowlan_support; +#endif +} + +int wil_cfg80211_iface_combinations_from_fw( + struct wil6210_priv *wil, const struct wil_fw_record_concurrency *conc) +{ + 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; +} + +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); + + 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_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_DMG_RF_SECTOR_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_deprecated(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data, + data_len, wil_rf_sector_policy, NULL); + 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_64bit(msg, QCA_ATTR_TSF, + le64_to_cpu(reply.evt.tsf), + QCA_ATTR_PAD)) + goto nla_put_failure; + + nl_cfgs = nla_nest_start_noflag(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_noflag(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_DMG_RF_SECTOR_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_deprecated(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data, + data_len, wil_rf_sector_policy, NULL); + 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_deprecated(tb2, + QCA_ATTR_DMG_RF_SECTOR_CFG_MAX, + nl_cfg, + wil_rf_sector_cfg_policy, + NULL); + 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_DMG_RF_SECTOR_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_deprecated(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data, + data_len, wil_rf_sector_policy, NULL); + 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_64bit(msg, QCA_ATTR_TSF, + le64_to_cpu(reply.evt.tsf), + QCA_ATTR_PAD) || + 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_DMG_RF_SECTOR_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_deprecated(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data, + data_len, wil_rf_sector_policy, NULL); + 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 < wil->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; +} |