/* * Copyright (c) 2012 Qualcomm Atheros, Inc. * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "wil6210.h" #include "wmi.h" #define CHAN60G(_channel, _flags) { \ .band = IEEE80211_BAND_60GHZ, \ .center_freq = 56160 + (2160 * (_channel)), \ .hw_value = (_channel), \ .flags = (_flags), \ .max_antenna_gain = 0, \ .max_power = 40, \ } static struct ieee80211_channel wil_60ghz_channels[] = { CHAN60G(1, 0), CHAN60G(2, 0), CHAN60G(3, 0), /* channel 4 not supported yet */ }; 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), .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | BIT(IEEE80211_STYPE_PROBE_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) }, }; static const u32 wil_cipher_suites[] = { WLAN_CIPHER_SUITE_GCMP, }; 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; } static int wil_cid_fill_sinfo(struct wil6210_priv *wil, int cid, struct station_info *sinfo) { struct wmi_notify_req_cmd cmd = { .cid = cid, .interval_usec = 0, }; struct { struct wil6210_mbox_hdr_wmi wmi; struct wmi_notify_req_done_event evt; } __packed reply; struct wil_net_stats *stats = &wil->sta[cid].stats; int rc; rc = wmi_call(wil, WMI_NOTIFY_REQ_CMDID, &cmd, sizeof(cmd), WMI_NOTIFY_REQ_DONE_EVENTID, &reply, sizeof(reply), 20); if (rc) return rc; wil_dbg_wmi(wil, "Link status for CID %d: {\n" " MCS %d TSF 0x%016llx\n" " BF status 0x%08x SNR 0x%08x SQI %d%%\n" " Tx Tpt %d goodput %d Rx goodput %d\n" " Sectors(rx:tx) my %d:%d peer %d:%d\n""}\n", cid, le16_to_cpu(reply.evt.bf_mcs), le64_to_cpu(reply.evt.tsf), reply.evt.status, le32_to_cpu(reply.evt.snr_val), 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_RX_BYTES | STATION_INFO_TX_BYTES | STATION_INFO_RX_PACKETS | STATION_INFO_TX_PACKETS | STATION_INFO_RX_BITRATE | STATION_INFO_TX_BITRATE | STATION_INFO_RX_DROP_MISC | STATION_INFO_TX_FAILED; sinfo->txrate.flags = RATE_INFO_FLAGS_MCS | RATE_INFO_FLAGS_60G; sinfo->txrate.mcs = le16_to_cpu(reply.evt.bf_mcs); sinfo->rxrate.flags = RATE_INFO_FLAGS_MCS | RATE_INFO_FLAGS_60G; sinfo->rxrate.mcs = stats->last_mcs_rx; sinfo->rx_bytes = stats->rx_bytes; sinfo->rx_packets = stats->rx_packets; sinfo->rx_dropped_misc = stats->rx_dropped; sinfo->tx_bytes = stats->tx_bytes; sinfo->tx_packets = stats->tx_packets; sinfo->tx_failed = stats->tx_errors; if (test_bit(wil_status_fwconnected, &wil->status)) { sinfo->filled |= STATION_INFO_SIGNAL; sinfo->signal = reply.evt.sqi; } return rc; } static int wil_cfg80211_get_station(struct wiphy *wiphy, struct net_device *ndev, const u8 *mac, struct station_info *sinfo) { struct wil6210_priv *wil = wiphy_to_wil(wiphy); int rc; int cid = wil_find_cid(wil, mac); wil_dbg_misc(wil, "%s(%pM) CID %d\n", __func__, mac, cid); if (cid < 0) return cid; rc = wil_cid_fill_sinfo(wil, cid, sinfo); return rc; } /* * Find @idx-th active STA for station dump. */ static int wil_find_cid_by_idx(struct wil6210_priv *wil, int idx) { int i; for (i = 0; i < ARRAY_SIZE(wil->sta); i++) { if (wil->sta[i].status == wil_sta_unused) continue; if (idx == 0) return i; idx--; } return -ENOENT; } static int wil_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev, int idx, u8 *mac, struct station_info *sinfo) { struct wil6210_priv *wil = wiphy_to_wil(wiphy); int rc; int cid = wil_find_cid_by_idx(wil, idx); if (cid < 0) return -ENOENT; memcpy(mac, wil->sta[cid].addr, ETH_ALEN); wil_dbg_misc(wil, "%s(%pM) CID %d\n", __func__, mac, cid); rc = wil_cid_fill_sinfo(wil, cid, sinfo); return rc; } 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; switch (type) { case NL80211_IFTYPE_STATION: case NL80211_IFTYPE_AP: case NL80211_IFTYPE_P2P_CLIENT: case NL80211_IFTYPE_P2P_GO: break; case NL80211_IFTYPE_MONITOR: if (flags) wil->monitor_flags = *flags; else wil->monitor_flags = 0; break; default: return -EOPNOTSUPP; } wdev->iftype = type; return 0; } static int wil_cfg80211_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request) { struct wil6210_priv *wil = wiphy_to_wil(wiphy); struct wireless_dev *wdev = 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; } /* check we are client side */ switch (wdev->iftype) { case NL80211_IFTYPE_STATION: case NL80211_IFTYPE_P2P_CLIENT: 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; } wil->scan_request = request; mod_timer(&wil->scan_timer, jiffies + WIL6210_SCAN_TO); memset(&cmd, 0, sizeof(cmd)); 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); } rc = wmi_send(wil, WMI_START_SCAN_CMDID, &cmd, sizeof(cmd.cmd) + cmd.cmd.num_channels * sizeof(cmd.cmd.channel_list[0])); if (rc) wil->scan_request = NULL; return rc; } static int wil_cfg80211_connect(struct wiphy *wiphy, struct net_device *ndev, struct cfg80211_connect_params *sme) { struct wil6210_priv *wil = wiphy_to_wil(wiphy); struct cfg80211_bss *bss; struct wmi_connect_cmd conn; const u8 *ssid_eid; const u8 *rsn_eid; int ch; int rc = 0; if (test_bit(wil_status_fwconnecting, &wil->status) || test_bit(wil_status_fwconnected, &wil->status)) return -EALREADY; bss = cfg80211_get_bss(wiphy, sme->channel, sme->bssid, sme->ssid, sme->ssid_len, WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS); 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; } 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; } } /* WMI_CONNECT_CMD */ memset(&conn, 0, sizeof(conn)); switch (bss->capability & WLAN_CAPABILITY_DMG_TYPE_MASK) { case WLAN_CAPABILITY_DMG_TYPE_AP: conn.network_type = WMI_NETTYPE_INFRA; break; case WLAN_CAPABILITY_DMG_TYPE_PBSS: conn.network_type = WMI_NETTYPE_P2P; break; default: wil_err(wil, "Unsupported BSS type, capability= 0x%04x\n", bss->capability); goto out; } if (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) { wil_err(wil, "BSS at unknown frequency %dMhz\n", bss->channel->center_freq); rc = -EOPNOTSUPP; goto out; } conn.channel = ch - 1; memcpy(conn.bssid, bss->bssid, ETH_ALEN); memcpy(conn.dst_mac, bss->bssid, ETH_ALEN); set_bit(wil_status_fwconnecting, &wil->status); rc = wmi_send(wil, WMI_CONNECT_CMDID, &conn, sizeof(conn)); if (rc == 0) { /* Connect can take lots of time */ mod_timer(&wil->connect_timer, jiffies + msecs_to_jiffies(2000)); } else { clear_bit(wil_status_fwconnecting, &wil->status); } out: cfg80211_put_bss(wiphy, bss); return rc; } static int wil_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *ndev, u16 reason_code) { int rc; struct wil6210_priv *wil = wiphy_to_wil(wiphy); rc = wmi_send(wil, WMI_DISCONNECT_CMDID, NULL, 0); return rc; } 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); int rc; bool tx_status = false; struct ieee80211_mgmt *mgmt_frame = (void *)buf; struct wmi_sw_tx_req_cmd *cmd; struct { struct wil6210_mbox_hdr_wmi wmi; struct wmi_sw_tx_complete_event evt; } __packed evt; cmd = kmalloc(sizeof(*cmd) + len, GFP_KERNEL); if (!cmd) { rc = -ENOMEM; goto out; } memcpy(cmd->dst_mac, mgmt_frame->da, WMI_MAC_LEN); cmd->len = cpu_to_le16(len); memcpy(cmd->payload, buf, len); rc = wmi_call(wil, WMI_SW_TX_REQ_CMDID, cmd, sizeof(*cmd) + len, WMI_SW_TX_COMPLETE_EVENTID, &evt, sizeof(evt), 2000); if (rc == 0) tx_status = !evt.evt.status; kfree(cmd); out: cfg80211_mgmt_tx_status(wdev, cookie ? *cookie : 0, buf, len, tx_status, GFP_KERNEL); return rc; } static int wil_cfg80211_set_channel(struct wiphy *wiphy, struct cfg80211_chan_def *chandef) { struct wil6210_priv *wil = wiphy_to_wil(wiphy); struct wireless_dev *wdev = wil->wdev; wdev->preset_chandef = *chandef; return 0; } 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) { struct wil6210_priv *wil = wiphy_to_wil(wiphy); /* group key is not used */ if (!pairwise) return 0; return wmi_add_cipher_key(wil, key_index, mac_addr, params->key_len, params->key); } static int wil_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev, u8 key_index, bool pairwise, const u8 *mac_addr) { struct wil6210_priv *wil = wiphy_to_wil(wiphy); /* group key is not used */ if (!pairwise) return 0; return wmi_del_cipher_key(wil, key_index, mac_addr); } /* Need to be present or wiphy_new() will WARN */ static int wil_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *ndev, u8 key_index, bool unicast, bool multicast) { 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; /* TODO: handle duration */ wil_info(wil, "%s(%d, %d ms)\n", __func__, chan->center_freq, duration); rc = wmi_set_channel(wil, chan->hw_value); if (rc) return rc; rc = wmi_rxon(wil, true); 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); int rc; wil_info(wil, "%s()\n", __func__); rc = wmi_rxon(wil, false); return rc; } static int wil_fix_bcon(struct wil6210_priv *wil, struct cfg80211_beacon_data *bcon) { struct ieee80211_mgmt *f = (struct ieee80211_mgmt *)bcon->probe_resp; size_t hlen = offsetof(struct ieee80211_mgmt, u.probe_resp.variable); int rc = 0; if (bcon->probe_resp_len <= hlen) return 0; if (!bcon->proberesp_ies) { bcon->proberesp_ies = f->u.probe_resp.variable; bcon->proberesp_ies_len = bcon->probe_resp_len - hlen; rc = 1; } if (!bcon->assocresp_ies) { bcon->assocresp_ies = f->u.probe_resp.variable; bcon->assocresp_ies_len = bcon->probe_resp_len - hlen; rc = 1; } return rc; } static int wil_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev, struct cfg80211_ap_settings *info) { int rc = 0; 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); if (!channel) { wil_err(wil, "AP: No channel???\n"); return -EINVAL; } 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); if (wil_fix_bcon(wil, bcon)) wil_dbg_misc(wil, "Fixed bcon\n"); mutex_lock(&wil->mutex); rc = wil_reset(wil); if (rc) goto out; /* Rx VRING. */ rc = wil_rx_init(wil); if (rc) goto out; rc = wmi_set_ssid(wil, info->ssid_len, info->ssid); if (rc) goto out; /* MAC address - pre-requisite for other commands */ wmi_set_mac_address(wil, ndev->dev_addr); /* 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); */ 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->secure_pcp = info->privacy; rc = wmi_pcp_start(wil, info->beacon_interval, wmi_nettype, channel->hw_value); if (rc) goto out; netif_carrier_on(ndev); out: mutex_unlock(&wil->mutex); return rc; } static int wil_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *ndev) { int rc = 0; struct wil6210_priv *wil = wiphy_to_wil(wiphy); mutex_lock(&wil->mutex); rc = wmi_pcp_stop(wil); mutex_unlock(&wil->mutex); return rc; } static int wil_cfg80211_del_station(struct wiphy *wiphy, struct net_device *dev, const u8 *mac) { struct wil6210_priv *wil = wiphy_to_wil(wiphy); mutex_lock(&wil->mutex); wil6210_disconnect(wil, mac); mutex_unlock(&wil->mutex); return 0; } static struct cfg80211_ops wil_cfg80211_ops = { .scan = wil_cfg80211_scan, .connect = wil_cfg80211_connect, .disconnect = wil_cfg80211_disconnect, .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 */ .start_ap = wil_cfg80211_start_ap, .stop_ap = wil_cfg80211_stop_ap, .del_station = wil_cfg80211_del_station, }; static void wil_wiphy_init(struct wiphy *wiphy) { /* TODO: set real value */ wiphy->max_scan_ssids = 10; wiphy->max_num_pmkids = 0 /* TODO: */; wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_AP) | 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->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; wiphy->bands[IEEE80211_BAND_60GHZ] = &wil_band_60ghz; /* TODO: figure this out */ 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; } struct wireless_dev *wil_cfg80211_init(struct device *dev) { int rc = 0; struct wireless_dev *wdev; wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL); if (!wdev) return ERR_PTR(-ENOMEM); wdev->wiphy = wiphy_new(&wil_cfg80211_ops, sizeof(struct wil6210_priv)); if (!wdev->wiphy) { rc = -ENOMEM; goto out; } set_wiphy_dev(wdev->wiphy, dev); wil_wiphy_init(wdev->wiphy); rc = wiphy_register(wdev->wiphy); if (rc < 0) goto out_failed_reg; return wdev; out_failed_reg: wiphy_free(wdev->wiphy); out: kfree(wdev); return ERR_PTR(rc); } void wil_wdev_free(struct wil6210_priv *wil) { struct wireless_dev *wdev = wil_to_wdev(wil); if (!wdev) return; wiphy_unregister(wdev->wiphy); wiphy_free(wdev->wiphy); kfree(wdev); }