/* * Copyright (c) 2012-2015 Qualcomm Atheros, Inc. * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include "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; } 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; ether_addr_copy(mac, wil->sta[cid].addr); 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_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); print_hex_dump_bytes("SSID ", DUMP_PREFIX_OFFSET, request->ssids[i].ssid, request->ssids[i].ssid_len); } if (request->n_ssids) rc = wmi_set_ssid(wil, request->ssids[0].ssid_len, request->ssids[0].ssid); else rc = wmi_set_ssid(wil, 0, NULL); if (rc) { wil_err(wil, "set SSID for scan request failed: %d\n", rc); return rc; } 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); } if (request->ie_len) print_hex_dump_bytes("Scan IE ", DUMP_PREFIX_OFFSET, request->ie, request->ie_len); else wil_dbg_misc(wil, "Scan has no IE's\n"); rc = wmi_set_ie(wil, WMI_FRAME_PROBE_REQ, request->ie_len, request->ie); if (rc) goto out; rc = wmi_send(wil, WMI_START_SCAN_CMDID, &cmd, sizeof(cmd.cmd) + cmd.cmd.num_channels * sizeof(cmd.cmd.channel_list[0])); out: if (rc) { del_timer_sync(&wil->scan_timer); wil->scan_request = NULL; } return rc; } static void wil_print_crypto(struct wil6210_priv *wil, struct cfg80211_crypto_settings *c) { int i, n; wil_dbg_misc(wil, "WPA versions: 0x%08x cipher group 0x%08x\n", c->wpa_versions, c->cipher_group); wil_dbg_misc(wil, "Pairwise ciphers [%d] {\n", c->n_ciphers_pairwise); n = min_t(int, c->n_ciphers_pairwise, ARRAY_SIZE(c->ciphers_pairwise)); for (i = 0; i < n; i++) wil_dbg_misc(wil, " [%d] = 0x%08x\n", i, c->ciphers_pairwise[i]); wil_dbg_misc(wil, "}\n"); wil_dbg_misc(wil, "AKM suites [%d] {\n", c->n_akm_suites); n = min_t(int, c->n_akm_suites, ARRAY_SIZE(c->akm_suites)); for (i = 0; i < n; i++) wil_dbg_misc(wil, " [%d] = 0x%08x\n", i, c->akm_suites[i]); wil_dbg_misc(wil, "}\n"); wil_dbg_misc(wil, "Control port : %d, eth_type 0x%04x no_encrypt %d\n", c->control_port, be16_to_cpu(c->control_port_ethertype), c->control_port_no_encrypt); } static void wil_print_connect_params(struct wil6210_priv *wil, struct cfg80211_connect_params *sme) { wil_info(wil, "Connecting to:\n"); if (sme->channel) { wil_info(wil, " Channel: %d freq %d\n", sme->channel->hw_value, sme->channel->center_freq); } if (sme->bssid) wil_info(wil, " BSSID: %pM\n", sme->bssid); if (sme->ssid) print_hex_dump(KERN_INFO, " SSID: ", DUMP_PREFIX_OFFSET, 16, 1, sme->ssid, sme->ssid_len, true); wil_info(wil, " Privacy: %s\n", sme->privacy ? "secure" : "open"); wil_print_crypto(wil, &sme->crypto); } static int wil_cfg80211_connect(struct wiphy *wiphy, struct net_device *ndev, struct cfg80211_connect_params *sme) { struct wil6210_priv *wil = wiphy_to_wil(wiphy); struct cfg80211_bss *bss; struct wmi_connect_cmd conn; const u8 *ssid_eid; const u8 *rsn_eid; int ch; int rc = 0; wil_print_connect_params(wil, sme); if (test_bit(wil_status_fwconnecting, wil->status) || test_bit(wil_status_fwconnected, wil->status)) return -EALREADY; if (sme->ie_len > WMI_MAX_IE_LEN) { wil_err(wil, "IE too large (%td bytes)\n", sme->ie_len); return -ERANGE; } rsn_eid = sme->ie ? cfg80211_find_ie(WLAN_EID_RSN, sme->ie, sme->ie_len) : NULL; if (sme->privacy && !rsn_eid) wil_info(wil, "WSC connection\n"); 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; } wil->privacy = sme->privacy; if (wil->privacy) { /* For secure assoc, remove old keys */ rc = wmi_del_cipher_key(wil, 0, bss->bssid, WMI_KEY_USE_PAIRWISE); if (rc) { wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(PTK) failed\n"); goto out; } rc = wmi_del_cipher_key(wil, 0, bss->bssid, WMI_KEY_USE_RX_GROUP); if (rc) { wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(GTK) failed\n"); goto out; } } /* WMI_SET_APPIE_CMD. ie may contain rsn info as well as other info * elements. Send it also in case it's empty, to erase previously set * ies in FW. */ rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_REQ, sme->ie_len, sme->ie); if (rc) goto out; /* WMI_CONNECT_CMD */ memset(&conn, 0, sizeof(conn)); switch (bss->capability & WLAN_CAPABILITY_DMG_TYPE_MASK) { case WLAN_CAPABILITY_DMG_TYPE_AP: conn.network_type = WMI_NETTYPE_INFRA; break; case WLAN_CAPABILITY_DMG_TYPE_PBSS: conn.network_type = WMI_NETTYPE_P2P; break; default: wil_err(wil, "Unsupported BSS type, capability= 0x%04x\n", bss->capability); goto out; } if (wil->privacy) { if (rsn_eid) { /* regular secure connection */ conn.dot11_auth_mode = WMI_AUTH11_SHARED; conn.auth_mode = WMI_AUTH_WPA2_PSK; conn.pairwise_crypto_type = WMI_CRYPT_AES_GCMP; conn.pairwise_crypto_len = 16; conn.group_crypto_type = WMI_CRYPT_AES_GCMP; conn.group_crypto_len = 16; } else { /* WSC */ conn.dot11_auth_mode = WMI_AUTH11_WSC; conn.auth_mode = WMI_AUTH_NONE; } } else { /* insecure connection */ conn.dot11_auth_mode = WMI_AUTH11_OPEN; conn.auth_mode = WMI_AUTH_NONE; } conn.ssid_len = min_t(u8, ssid_eid[1], 32); memcpy(conn.ssid, ssid_eid+2, conn.ssid_len); ch = bss->channel->hw_value; if (ch == 0) { wil_err(wil, "BSS at unknown frequency %dMhz\n", bss->channel->center_freq); rc = -EOPNOTSUPP; goto out; } conn.channel = ch - 1; ether_addr_copy(conn.bssid, bss->bssid); ether_addr_copy(conn.dst_mac, bss->bssid); set_bit(wil_status_fwconnecting, wil->status); rc = wmi_send(wil, WMI_CONNECT_CMDID, &conn, sizeof(conn)); if (rc == 0) { netif_carrier_on(ndev); /* 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); wil_dbg_misc(wil, "%s(reason=%d)\n", __func__, reason_code); 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 enum wmi_key_usage wil_detect_key_usage(struct wil6210_priv *wil, bool pairwise) { struct wireless_dev *wdev = wil->wdev; enum wmi_key_usage rc; static const char * const key_usage_str[] = { [WMI_KEY_USE_PAIRWISE] = "WMI_KEY_USE_PAIRWISE", [WMI_KEY_USE_RX_GROUP] = "WMI_KEY_USE_RX_GROUP", [WMI_KEY_USE_TX_GROUP] = "WMI_KEY_USE_TX_GROUP", }; if (pairwise) { rc = WMI_KEY_USE_PAIRWISE; } else { switch (wdev->iftype) { case NL80211_IFTYPE_STATION: rc = WMI_KEY_USE_RX_GROUP; break; case NL80211_IFTYPE_AP: 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, "%s() -> %s\n", __func__, key_usage_str[rc]); return rc; } 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); enum wmi_key_usage key_usage = wil_detect_key_usage(wil, pairwise); wil_dbg_misc(wil, "%s(%pM[%d] %s)\n", __func__, mac_addr, key_index, pairwise ? "PTK" : "GTK"); return wmi_add_cipher_key(wil, key_index, mac_addr, params->key_len, params->key, key_usage); } static int wil_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev, u8 key_index, bool pairwise, const u8 *mac_addr) { struct wil6210_priv *wil = wiphy_to_wil(wiphy); enum wmi_key_usage key_usage = wil_detect_key_usage(wil, pairwise); wil_dbg_misc(wil, "%s(%pM[%d] %s)\n", __func__, mac_addr, key_index, pairwise ? "PTK" : "GTK"); return wmi_del_cipher_key(wil, key_index, mac_addr, key_usage); } /* Need to be present or wiphy_new() will WARN */ static int wil_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *ndev, u8 key_index, bool unicast, bool multicast) { 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 void wil_print_bcon_data(struct cfg80211_beacon_data *b) { print_hex_dump_bytes("head ", DUMP_PREFIX_OFFSET, b->head, b->head_len); print_hex_dump_bytes("tail ", DUMP_PREFIX_OFFSET, b->tail, b->tail_len); print_hex_dump_bytes("BCON IE ", DUMP_PREFIX_OFFSET, b->beacon_ies, b->beacon_ies_len); print_hex_dump_bytes("PROBE ", DUMP_PREFIX_OFFSET, b->probe_resp, b->probe_resp_len); print_hex_dump_bytes("PROBE IE ", DUMP_PREFIX_OFFSET, b->proberesp_ies, b->proberesp_ies_len); print_hex_dump_bytes("ASSOC IE ", DUMP_PREFIX_OFFSET, b->assocresp_ies, b->assocresp_ies_len); } 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); if (bcon->probe_resp_len <= hlen) return 0; /* always use IE's from full probe frame, they has more info * notable RSN */ bcon->proberesp_ies = f->u.probe_resp.variable; bcon->proberesp_ies_len = bcon->probe_resp_len - hlen; if (!bcon->assocresp_ies) { bcon->assocresp_ies = bcon->proberesp_ies; bcon->assocresp_ies_len = bcon->proberesp_ies_len; } return 1; } /* internal functions for device reset and starting AP */ static int _wil_cfg80211_set_ies(struct wiphy *wiphy, struct cfg80211_beacon_data *bcon) { int rc; struct wil6210_priv *wil = wiphy_to_wil(wiphy); rc = wmi_set_ie(wil, WMI_FRAME_PROBE_RESP, bcon->proberesp_ies_len, bcon->proberesp_ies); if (rc) return rc; rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_RESP, bcon->assocresp_ies_len, bcon->assocresp_ies); #if 0 /* to use beacon IE's, remove this #if 0 */ if (rc) return rc; rc = wmi_set_ie(wil, WMI_FRAME_BEACON, bcon->tail_len, bcon->tail); #endif return rc; } static int _wil_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev, const u8 *ssid, size_t ssid_len, u32 privacy, int bi, u8 chan, struct cfg80211_beacon_data *bcon, u8 hidden_ssid) { struct wil6210_priv *wil = wiphy_to_wil(wiphy); int rc; struct wireless_dev *wdev = ndev->ieee80211_ptr; u8 wmi_nettype = wil_iftype_nl2wmi(wdev->iftype); wil_set_recovery_state(wil, fw_recovery_idle); mutex_lock(&wil->mutex); __wil_down(wil); rc = __wil_up(wil); if (rc) goto out; rc = wmi_set_ssid(wil, ssid_len, ssid); if (rc) goto out; rc = _wil_cfg80211_set_ies(wiphy, bcon); if (rc) goto out; wil->privacy = privacy; wil->channel = chan; wil->hidden_ssid = hidden_ssid; netif_carrier_on(ndev); rc = wmi_pcp_start(wil, bi, wmi_nettype, chan, hidden_ssid); if (rc) goto err_pcp_start; rc = wil_bcast_init(wil); if (rc) goto err_bcast; goto out; /* success */ err_bcast: wmi_pcp_stop(wil); err_pcp_start: netif_carrier_off(ndev); out: mutex_unlock(&wil->mutex); return rc; } static int wil_cfg80211_change_beacon(struct wiphy *wiphy, struct net_device *ndev, struct cfg80211_beacon_data *bcon) { struct wil6210_priv *wil = wiphy_to_wil(wiphy); int rc; u32 privacy = 0; wil_dbg_misc(wil, "%s()\n", __func__); wil_print_bcon_data(bcon); if (wil_fix_bcon(wil, bcon)) { wil_dbg_misc(wil, "Fixed bcon\n"); wil_print_bcon_data(bcon); } if (bcon->proberesp_ies && cfg80211_find_ie(WLAN_EID_RSN, bcon->proberesp_ies, bcon->proberesp_ies_len)) privacy = 1; /* in case privacy has changed, need to restart the AP */ if (wil->privacy != privacy) { struct wireless_dev *wdev = ndev->ieee80211_ptr; wil_dbg_misc(wil, "privacy changed %d=>%d. Restarting AP\n", wil->privacy, privacy); rc = _wil_cfg80211_start_ap(wiphy, ndev, wdev->ssid, wdev->ssid_len, privacy, wdev->beacon_interval, wil->channel, bcon, wil->hidden_ssid); } else { rc = _wil_cfg80211_set_ies(wiphy, bcon); } return rc; } static int wil_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev, struct cfg80211_ap_settings *info) { int rc; struct wil6210_priv *wil = wiphy_to_wil(wiphy); struct ieee80211_channel *channel = info->chandef.chan; struct cfg80211_beacon_data *bcon = &info->beacon; struct cfg80211_crypto_settings *crypto = &info->crypto; u8 hidden_ssid; wil_dbg_misc(wil, "%s()\n", __func__); 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); print_hex_dump_bytes("SSID ", DUMP_PREFIX_OFFSET, info->ssid, info->ssid_len); wil_print_bcon_data(bcon); wil_print_crypto(wil, crypto); if (wil_fix_bcon(wil, bcon)) { wil_dbg_misc(wil, "Fixed bcon\n"); wil_print_bcon_data(bcon); } rc = _wil_cfg80211_start_ap(wiphy, ndev, info->ssid, info->ssid_len, info->privacy, info->beacon_interval, channel->hw_value, bcon, hidden_ssid); return rc; } static int wil_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *ndev) { struct wil6210_priv *wil = wiphy_to_wil(wiphy); wil_dbg_misc(wil, "%s()\n", __func__); netif_carrier_off(ndev); wil_set_recovery_state(wil, fw_recovery_idle); mutex_lock(&wil->mutex); wmi_pcp_stop(wil); __wil_down(wil); mutex_unlock(&wil->mutex); return 0; } static int wil_cfg80211_del_station(struct wiphy *wiphy, struct net_device *dev, struct station_del_parameters *params) { struct wil6210_priv *wil = wiphy_to_wil(wiphy); wil_dbg_misc(wil, "%s(%pM, reason=%d)\n", __func__, params->mac, params->reason_code); mutex_lock(&wil->mutex); wil6210_disconnect(wil, params->mac, params->reason_code, false); mutex_unlock(&wil->mutex); return 0; } /* probe_client handling */ static void wil_probe_client_handle(struct wil6210_priv *wil, struct wil_probe_client_req *req) { struct net_device *ndev = wil_to_ndev(wil); struct wil_sta_info *sta = &wil->sta[req->cid]; /* assume STA is alive if it is still connected, * else FW will disconnect it */ bool alive = (sta->status == wil_sta_connected); cfg80211_probe_status(ndev, sta->addr, req->cookie, alive, GFP_KERNEL); } static struct list_head *next_probe_client(struct wil6210_priv *wil) { struct list_head *ret = NULL; mutex_lock(&wil->probe_client_mutex); if (!list_empty(&wil->probe_client_pending)) { ret = wil->probe_client_pending.next; list_del(ret); } mutex_unlock(&wil->probe_client_mutex); return ret; } void wil_probe_client_worker(struct work_struct *work) { struct wil6210_priv *wil = container_of(work, struct wil6210_priv, probe_client_worker); struct wil_probe_client_req *req; struct list_head *lh; while ((lh = next_probe_client(wil)) != NULL) { req = list_entry(lh, struct wil_probe_client_req, list); wil_probe_client_handle(wil, req); kfree(req); } } void wil_probe_client_flush(struct wil6210_priv *wil) { struct wil_probe_client_req *req, *t; wil_dbg_misc(wil, "%s()\n", __func__); mutex_lock(&wil->probe_client_mutex); list_for_each_entry_safe(req, t, &wil->probe_client_pending, list) { list_del(&req->list); kfree(req); } mutex_unlock(&wil->probe_client_mutex); } static int wil_cfg80211_probe_client(struct wiphy *wiphy, struct net_device *dev, const u8 *peer, u64 *cookie) { struct wil6210_priv *wil = wiphy_to_wil(wiphy); struct wil_probe_client_req *req; int cid = wil_find_cid(wil, peer); wil_dbg_misc(wil, "%s(%pM => CID %d)\n", __func__, peer, cid); if (cid < 0) return -ENOLINK; req = kzalloc(sizeof(*req), GFP_KERNEL); if (!req) return -ENOMEM; req->cid = cid; req->cookie = cid; mutex_lock(&wil->probe_client_mutex); list_add_tail(&req->list, &wil->probe_client_pending); mutex_unlock(&wil->probe_client_mutex); *cookie = req->cookie; queue_work(wil->wq_service, &wil->probe_client_worker); return 0; } static int wil_cfg80211_change_bss(struct wiphy *wiphy, struct net_device *dev, struct bss_parameters *params) { struct wil6210_priv *wil = wiphy_to_wil(wiphy); if (params->ap_isolate >= 0) { wil_dbg_misc(wil, "%s(ap_isolate %d => %d)\n", __func__, wil->ap_isolate, params->ap_isolate); wil->ap_isolate = params->ap_isolate; } 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 */ .change_beacon = wil_cfg80211_change_beacon, .start_ap = wil_cfg80211_start_ap, .stop_ap = wil_cfg80211_stop_ap, .del_station = wil_cfg80211_del_station, .probe_client = wil_cfg80211_probe_client, .change_bss = wil_cfg80211_change_bss, }; static void wil_wiphy_init(struct wiphy *wiphy) { wiphy->max_scan_ssids = 1; wiphy->max_scan_ie_len = WMI_MAX_IE_LEN; 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_dbg(wiphy_dev(wiphy), "%s : flags = 0x%08x\n", __func__, wiphy->flags); wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; wiphy->bands[IEEE80211_BAND_60GHZ] = &wil_band_60ghz; /* 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; wiphy->features |= NL80211_FEATURE_SK_TX_STATUS; } struct wireless_dev *wil_cfg80211_init(struct device *dev) { int rc = 0; struct wireless_dev *wdev; dev_dbg(dev, "%s()\n", __func__); wdev = kzalloc(sizeof(*wdev), GFP_KERNEL); if (!wdev) return ERR_PTR(-ENOMEM); wdev->wiphy = wiphy_new(&wil_cfg80211_ops, sizeof(struct wil6210_priv)); if (!wdev->wiphy) { rc = -ENOMEM; goto out; } set_wiphy_dev(wdev->wiphy, dev); wil_wiphy_init(wdev->wiphy); 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); dev_dbg(wil_to_dev(wil), "%s()\n", __func__); if (!wdev) return; wiphy_unregister(wdev->wiphy); wiphy_free(wdev->wiphy); kfree(wdev); }