// SPDX-License-Identifier: GPL-2.0-only /* * nxpwifi: cfg80211 support * * Copyright 2011-2024 NXP */ #include "cfg80211.h" #include "main.h" #include "cmdevt.h" #include "11n.h" #include "wmm.h" static const struct ieee80211_iface_limit nxpwifi_ap_sta_limits[] = { { .max = NXPWIFI_MAX_BSS_NUM, .types = BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_AP) | BIT(NL80211_IFTYPE_MONITOR), }, }; static const struct ieee80211_iface_combination nxpwifi_iface_comb_ap_sta = { .limits = nxpwifi_ap_sta_limits, .num_different_channels = 1, .n_limits = ARRAY_SIZE(nxpwifi_ap_sta_limits), .max_interfaces = NXPWIFI_MAX_BSS_NUM, .beacon_int_infra_match = true, .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | BIT(NL80211_CHAN_WIDTH_20) | BIT(NL80211_CHAN_WIDTH_40), }; static const struct ieee80211_iface_combination nxpwifi_iface_comb_ap_sta_vht = { .limits = nxpwifi_ap_sta_limits, .num_different_channels = 1, .n_limits = ARRAY_SIZE(nxpwifi_ap_sta_limits), .max_interfaces = NXPWIFI_MAX_BSS_NUM, .beacon_int_infra_match = true, .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | BIT(NL80211_CHAN_WIDTH_20) | BIT(NL80211_CHAN_WIDTH_40) | BIT(NL80211_CHAN_WIDTH_80), }; /* Map nl80211 channel types to secondary channel offsets */ u8 nxpwifi_chan_type_to_sec_chan_offset(enum nl80211_channel_type chan_type) { switch (chan_type) { case NL80211_CHAN_NO_HT: case NL80211_CHAN_HT20: return IEEE80211_HT_PARAM_CHA_SEC_NONE; case NL80211_CHAN_HT40PLUS: return IEEE80211_HT_PARAM_CHA_SEC_ABOVE; case NL80211_CHAN_HT40MINUS: return IEEE80211_HT_PARAM_CHA_SEC_BELOW; default: return IEEE80211_HT_PARAM_CHA_SEC_NONE; } } /* Map IEEE HT secondary‑channel type to nl80211 channel type */ u8 nxpwifi_get_chan_type(struct nxpwifi_private *priv) { struct nxpwifi_channel_band channel_band; int ret; ret = nxpwifi_get_chan_info(priv, &channel_band); if (!ret) { switch (channel_band.band_config.chan_width) { case CHAN_BW_20MHZ: if (IS_11N_ENABLED(priv)) return NL80211_CHAN_HT20; else return NL80211_CHAN_NO_HT; case CHAN_BW_40MHZ: if (channel_band.band_config.chan2_offset == IEEE80211_HT_PARAM_CHA_SEC_ABOVE) return NL80211_CHAN_HT40PLUS; else return NL80211_CHAN_HT40MINUS; default: return NL80211_CHAN_HT20; } } return NL80211_CHAN_HT20; } /* Retrieve the driver private data from the wiphy */ static void *nxpwifi_cfg80211_get_adapter(struct wiphy *wiphy) { return (void *)(*(unsigned long *)wiphy_priv(wiphy)); } /* cfg80211 operation handler to delete a network key. */ static int nxpwifi_cfg80211_del_key(struct wiphy *wiphy, struct wireless_dev *wdev, int link_id, u8 key_index, bool pairwise, const u8 *mac_addr) { struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(wdev->netdev); static const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; const u8 *peer_mac = pairwise ? mac_addr : bc_mac; int ret; ret = nxpwifi_set_encode(priv, NULL, NULL, 0, key_index, peer_mac, 1); if (ret) nxpwifi_dbg(priv->adapter, ERROR, "crypto keys deleted failed %d\n", ret); else nxpwifi_dbg(priv->adapter, INFO, "info: crypto keys deleted\n"); return ret; } /* Build an skb containing a management frame */ static void nxpwifi_form_mgmt_frame(struct sk_buff *skb, const u8 *buf, size_t len) { u8 addr[ETH_ALEN]; u16 pkt_len; u32 tx_control = 0, pkt_type = PKT_TYPE_MGMT; eth_broadcast_addr(addr); pkt_len = len + ETH_ALEN; skb_reserve(skb, NXPWIFI_MIN_DATA_HEADER_LEN + NXPWIFI_MGMT_FRAME_HEADER_SIZE + sizeof(pkt_len)); memcpy(skb_push(skb, sizeof(pkt_len)), &pkt_len, sizeof(pkt_len)); memcpy(skb_push(skb, sizeof(tx_control)), &tx_control, sizeof(tx_control)); memcpy(skb_push(skb, sizeof(pkt_type)), &pkt_type, sizeof(pkt_type)); /* Add packet data and address4 */ skb_put_data(skb, buf, sizeof(struct ieee80211_hdr_3addr)); skb_put_data(skb, addr, ETH_ALEN); skb_put_data(skb, buf + sizeof(struct ieee80211_hdr_3addr), len - sizeof(struct ieee80211_hdr_3addr)); skb->priority = TC_PRIO_BESTEFFORT; __net_timestamp(skb); } /* cfg80211 operation handler to transmit a management frame. */ static int nxpwifi_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 sk_buff *skb; u16 pkt_len; const struct ieee80211_mgmt *mgmt; struct nxpwifi_txinfo *tx_info; struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(wdev->netdev); if (!buf || !len) { nxpwifi_dbg(priv->adapter, ERROR, "invalid buffer and length\n"); return -EINVAL; } mgmt = (const struct ieee80211_mgmt *)buf; if (GET_BSS_ROLE(priv) != NXPWIFI_BSS_ROLE_STA && ieee80211_is_probe_resp(mgmt->frame_control)) { /* Offloaded probe responses; skip TX in AP/GO mode */ nxpwifi_dbg(priv->adapter, INFO, "info: skip to send probe resp in AP or GO mode\n"); return 0; } if (GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_UAP) { if (ieee80211_is_auth(mgmt->frame_control)) nxpwifi_dbg(priv->adapter, MSG, "auth: send auth to %pM\n", mgmt->da); if (ieee80211_is_deauth(mgmt->frame_control)) nxpwifi_dbg(priv->adapter, MSG, "auth: send deauth to %pM\n", mgmt->da); if (ieee80211_is_disassoc(mgmt->frame_control)) nxpwifi_dbg(priv->adapter, MSG, "assoc: send disassoc to %pM\n", mgmt->da); if (ieee80211_is_assoc_resp(mgmt->frame_control)) nxpwifi_dbg(priv->adapter, MSG, "assoc: send assoc resp to %pM\n", mgmt->da); if (ieee80211_is_reassoc_resp(mgmt->frame_control)) nxpwifi_dbg(priv->adapter, MSG, "assoc: send reassoc resp to %pM\n", mgmt->da); } pkt_len = len + ETH_ALEN; skb = dev_alloc_skb(NXPWIFI_MIN_DATA_HEADER_LEN + NXPWIFI_MGMT_FRAME_HEADER_SIZE + pkt_len + sizeof(pkt_len)); if (!skb) { nxpwifi_dbg(priv->adapter, ERROR, "allocate skb failed for management frame\n"); return -ENOMEM; } tx_info = NXPWIFI_SKB_TXCB(skb); memset(tx_info, 0, sizeof(*tx_info)); tx_info->bss_num = priv->bss_num; tx_info->bss_type = priv->bss_type; tx_info->pkt_len = pkt_len; nxpwifi_form_mgmt_frame(skb, buf, len); if (ieee80211_is_action(mgmt->frame_control)) skb = nxpwifi_clone_skb_for_tx_status(priv, skb, NXPWIFI_BUF_FLAG_ACTION_TX_STATUS, &cookie); else cfg80211_mgmt_tx_status(wdev, cookie, buf, len, true, GFP_ATOMIC); nxpwifi_queue_tx_pkt(priv, skb); nxpwifi_dbg(priv->adapter, INFO, "info: management frame transmitted\n"); return 0; } /* cfg80211 operation handler to register a mgmt frame. */ static void nxpwifi_cfg80211_update_mgmt_frame_registrations(struct wiphy *wiphy, struct wireless_dev *wdev, struct mgmt_frame_regs *upd) { struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(wdev->netdev); u32 mask = upd->interface_stypes; if (mask != priv->mgmt_frame_mask) { priv->mgmt_frame_mask = mask; if (priv->host_mlme_reg && GET_BSS_ROLE(priv) != NXPWIFI_BSS_ROLE_UAP) priv->mgmt_frame_mask |= HOST_MLME_MGMT_MASK; nxpwifi_mgmt_frame_reg(priv, priv->mgmt_frame_mask); nxpwifi_dbg(priv->adapter, INFO, "info: mgmt frame registered\n"); } } /* cfg80211 operation handler to remain on channel. */ static int nxpwifi_cfg80211_remain_on_channel(struct wiphy *wiphy, struct wireless_dev *wdev, struct ieee80211_channel *chan, unsigned int duration, u64 cookie, const u8 *rx_addr) { struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(wdev->netdev); struct nxpwifi_adapter *adapter = priv->adapter; int ret; if (!chan) { nxpwifi_dbg(adapter, ERROR, "Invalid parameter for ROC\n"); return -EINVAL; } if (priv->roc_cfg.cookie) { nxpwifi_dbg(adapter, INFO, "info: ongoing ROC, cookie = 0x%llx\n", priv->roc_cfg.cookie); return -EBUSY; } ret = nxpwifi_remain_on_chan_cfg(priv, HOST_ACT_GEN_SET, chan, duration); if (!ret) { priv->roc_cfg.cookie = cookie; priv->roc_cfg.chan = *chan; cfg80211_ready_on_channel(wdev, cookie, chan, duration, GFP_ATOMIC); nxpwifi_dbg(adapter, INFO, "info: ROC, cookie = 0x%llx\n", cookie); } return ret; } /* cfg80211 operation handler to cancel remain on channel. */ static int nxpwifi_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy, struct wireless_dev *wdev, u64 cookie) { struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(wdev->netdev); int ret; if (cookie != priv->roc_cfg.cookie) return -ENOENT; ret = nxpwifi_remain_on_chan_cfg(priv, HOST_ACT_GEN_REMOVE, &priv->roc_cfg.chan, 0); if (!ret) { cfg80211_remain_on_channel_expired(wdev, cookie, &priv->roc_cfg.chan, GFP_ATOMIC); memset(&priv->roc_cfg, 0, sizeof(struct nxpwifi_roc_cfg)); nxpwifi_dbg(priv->adapter, INFO, "info: cancel ROC, cookie = 0x%llx\n", cookie); } return ret; } /* cfg80211 operation handler to set Tx power. */ static int nxpwifi_cfg80211_set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev, int radio_idx, enum nl80211_tx_power_setting type, int mbm) { struct nxpwifi_adapter *adapter = nxpwifi_cfg80211_get_adapter(wiphy); struct nxpwifi_private *priv; struct nxpwifi_power_cfg power_cfg; int dbm = MBM_TO_DBM(mbm); switch (type) { case NL80211_TX_POWER_FIXED: power_cfg.is_power_auto = 0; power_cfg.is_power_fixed = 1; power_cfg.power_level = dbm; break; case NL80211_TX_POWER_LIMITED: power_cfg.is_power_auto = 0; power_cfg.is_power_fixed = 0; power_cfg.power_level = dbm; break; case NL80211_TX_POWER_AUTOMATIC: power_cfg.is_power_auto = 1; break; } priv = nxpwifi_get_priv(adapter, NXPWIFI_BSS_ROLE_ANY); return nxpwifi_set_tx_power(priv, &power_cfg); } /* cfg80211 operation handler to get Tx power. */ static int nxpwifi_cfg80211_get_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev, int radio_idx, unsigned int link_id, int *dbm) { struct nxpwifi_adapter *adapter = nxpwifi_cfg80211_get_adapter(wiphy); struct nxpwifi_private *priv = nxpwifi_get_priv(adapter, NXPWIFI_BSS_ROLE_ANY); int ret = nxpwifi_get_tx_pwr(priv); if (ret < 0) return ret; *dbm = priv->tx_power_level; return 0; } /* * cfg80211 handler for setting IEEE 802.11 Power Save mode. * * The 'timeout' parameter is not supported and is ignored. */ static int nxpwifi_cfg80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, bool enabled, int timeout) { struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); u32 ps_mode; if (timeout) nxpwifi_dbg(priv->adapter, INFO, "info: ignore timeout value for IEEE Power Save\n"); ps_mode = enabled; return nxpwifi_drv_set_power(priv, &ps_mode); } /* * cfg80211 handler for setting the default WEP key. * * Ignored if WEP is not enabled. */ static int nxpwifi_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev, int link_id, u8 key_index, bool unicast, bool multicast) { struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(netdev); int ret = 0; /* Return if WEP key not configured */ if (!priv->sec_info.wep_enabled) return 0; if (priv->bss_type == NXPWIFI_BSS_TYPE_UAP) { priv->wep_key_curr_index = key_index; } else { ret = nxpwifi_set_encode(priv, NULL, NULL, 0, key_index, NULL, 0); if (ret) nxpwifi_dbg(priv->adapter, ERROR, "failed to set default Tx key index\n"); } return ret; } /* cfg80211 handler for adding an 802.11 encryption key. */ static int nxpwifi_cfg80211_add_key(struct wiphy *wiphy, struct wireless_dev *wdev, int link_id, u8 key_index, bool pairwise, const u8 *mac_addr, struct key_params *params) { struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(wdev->netdev); struct nxpwifi_wep_key *wep_key; u8 bc_mac[ETH_ALEN]; const u8 *peer_mac; int ret; eth_broadcast_addr(bc_mac); peer_mac = pairwise ? mac_addr : bc_mac; if (GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_UAP && (params->cipher == WLAN_CIPHER_SUITE_WEP40 || params->cipher == WLAN_CIPHER_SUITE_WEP104)) { if (params->key && params->key_len) { wep_key = &priv->wep_key[key_index]; memset(wep_key, 0, sizeof(struct nxpwifi_wep_key)); memcpy(wep_key->key_material, params->key, params->key_len); wep_key->key_index = key_index; wep_key->key_length = params->key_len; priv->sec_info.wep_enabled = 1; } return 0; } ret = nxpwifi_set_encode(priv, params, params->key, params->key_len, key_index, peer_mac, 0); if (ret) nxpwifi_dbg(priv->adapter, ERROR, "failed to add crypto keys\n"); return ret; } /* cfg80211 handler for setting the default management key. */ static int nxpwifi_cfg80211_set_default_mgmt_key(struct wiphy *wiphy, struct wireless_dev *wdev, int link_id, u8 key_index) { return 0; } /* * Sends regulatory domain information to the firmware. * * Includes: * - Country code * - Sub-band definitions (first channel, channel count, max TX power) */ int nxpwifi_send_domain_info_cmd_fw(struct wiphy *wiphy, enum nl80211_band band) { u8 no_of_triplet = 0; struct ieee80211_country_ie_triplet *t; u8 no_of_parsed_chan = 0; u8 first_chan = 0, next_chan = 0, max_pwr = 0; u8 i, flag = 0; struct ieee80211_supported_band *sband; struct ieee80211_channel *ch; struct nxpwifi_adapter *adapter = nxpwifi_cfg80211_get_adapter(wiphy); struct nxpwifi_private *priv; struct nxpwifi_802_11d_domain_reg *domain_info = &adapter->domain_reg; int ret; domain_info->dfs_region = adapter->dfs_region; /* Set country code */ domain_info->country_code[0] = adapter->country_code[0]; domain_info->country_code[1] = adapter->country_code[1]; domain_info->country_code[2] = ' '; if (!wiphy->bands[band]) { nxpwifi_dbg(adapter, ERROR, "11D: setting domain info in FW\n"); return -EINVAL; } sband = wiphy->bands[band]; for (i = 0; i < sband->n_channels ; i++) { ch = &sband->channels[i]; if (ch->flags & IEEE80211_CHAN_DISABLED) continue; if (!flag) { flag = 1; first_chan = (u32)ch->hw_value; next_chan = first_chan; max_pwr = ch->max_power; no_of_parsed_chan = 1; continue; } if (ch->hw_value == next_chan + 1 && ch->max_power == max_pwr) { next_chan++; no_of_parsed_chan++; } else { t = &domain_info->triplet[no_of_triplet]; t->chans.first_channel = first_chan; t->chans.num_channels = no_of_parsed_chan; t->chans.max_power = max_pwr; no_of_triplet++; first_chan = (u32)ch->hw_value; next_chan = first_chan; max_pwr = ch->max_power; no_of_parsed_chan = 1; } } if (flag) { t = &domain_info->triplet[no_of_triplet]; t->chans.first_channel = first_chan; t->chans.num_channels = no_of_parsed_chan; t->chans.max_power = max_pwr; no_of_triplet++; } domain_info->no_of_triplet = no_of_triplet; priv = nxpwifi_get_priv(adapter, NXPWIFI_BSS_ROLE_ANY); ret = nxpwifi_apply_regdomain(priv); if (ret) nxpwifi_dbg(adapter, INFO, "11D: failed to set domain info in FW\n"); return ret; } static void nxpwifi_reg_apply_radar_flags(struct wiphy *wiphy) { struct ieee80211_supported_band *sband; struct ieee80211_channel *chan; unsigned int i; if (!wiphy->bands[NL80211_BAND_5GHZ]) return; sband = wiphy->bands[NL80211_BAND_5GHZ]; for (i = 0; i < sband->n_channels; i++) { chan = &sband->channels[i]; if ((!(chan->flags & IEEE80211_CHAN_DISABLED)) && (chan->flags & IEEE80211_CHAN_RADAR)) chan->flags |= IEEE80211_CHAN_NO_IR; } } /* * cfg80211 regulatory domain change callback. * * Invoked when the regulatory domain is updated by: * - the driver * - the system core * - the user * - a received Country IE */ static void nxpwifi_reg_notifier(struct wiphy *wiphy, struct regulatory_request *request) { struct nxpwifi_adapter *adapter = nxpwifi_cfg80211_get_adapter(wiphy); nxpwifi_dbg(adapter, INFO, "info: cfg80211 regulatory domain callback for %c%c\n", request->alpha2[0], request->alpha2[1]); nxpwifi_reg_apply_radar_flags(wiphy); switch (request->initiator) { case NL80211_REGDOM_SET_BY_DRIVER: case NL80211_REGDOM_SET_BY_CORE: case NL80211_REGDOM_SET_BY_USER: case NL80211_REGDOM_SET_BY_COUNTRY_IE: break; default: nxpwifi_dbg(adapter, ERROR, "unknown regdom initiator: %d\n", request->initiator); return; } /* Skip world/unchanged regulatory domains. */ if (strncmp(request->alpha2, "00", 2) && strncmp(request->alpha2, adapter->country_code, sizeof(request->alpha2))) { memcpy(adapter->country_code, request->alpha2, sizeof(request->alpha2)); adapter->dfs_region = request->dfs_region; nxpwifi_send_domain_info_cmd_fw(wiphy, NL80211_BAND_2GHZ); if (adapter->fw_bands & BAND_A) nxpwifi_send_domain_info_cmd_fw(wiphy, NL80211_BAND_5GHZ); } } /* * cfg80211 op: set wiphy parameters. * Updates RTS/fragmentation thresholds and retry limits based on 'changed' * flags. */ static int nxpwifi_cfg80211_set_wiphy_params(struct wiphy *wiphy, int radio_idx, u32 changed) { struct nxpwifi_adapter *adapter = nxpwifi_cfg80211_get_adapter(wiphy); struct nxpwifi_private *priv; struct nxpwifi_uap_bss_param *bss_cfg; int ret = 0; priv = nxpwifi_get_priv(adapter, NXPWIFI_BSS_ROLE_ANY); switch (priv->bss_role) { case NXPWIFI_BSS_ROLE_UAP: bss_cfg = kzalloc_obj(*bss_cfg); if (!bss_cfg) { ret = -ENOMEM; break; } nxpwifi_set_sys_config_invalid_data(bss_cfg); if (changed & WIPHY_PARAM_RTS_THRESHOLD) bss_cfg->rts_threshold = wiphy->rts_threshold; if (changed & WIPHY_PARAM_FRAG_THRESHOLD) bss_cfg->frag_threshold = wiphy->frag_threshold; if (changed & WIPHY_PARAM_RETRY_LONG) bss_cfg->retry_limit = wiphy->retry_long; ret = nxpwifi_set_uap_sys_cfg(priv, bss_cfg); kfree(bss_cfg); if (ret) nxpwifi_dbg(adapter, ERROR, "Failed to set wiphy phy params\n"); break; case NXPWIFI_BSS_ROLE_STA: if (changed & WIPHY_PARAM_RTS_THRESHOLD) { ret = nxpwifi_set_rts(priv, wiphy->rts_threshold); if (ret) break; } if (changed & WIPHY_PARAM_FRAG_THRESHOLD) ret = nxpwifi_set_frag(priv, wiphy->frag_threshold); break; } return ret; } static int nxpwifi_deinit_priv_params(struct nxpwifi_private *priv) { struct nxpwifi_adapter *adapter = priv->adapter; int ret = 0; if (priv->mgmt_frame_mask) { priv->mgmt_frame_mask = 0; ret = nxpwifi_mgmt_frame_reg(priv, priv->mgmt_frame_mask); if (ret) { nxpwifi_dbg(adapter, ERROR, "could not unregister mgmt frame rx\n"); return ret; } priv->host_mlme_reg = false; } nxpwifi_deauthenticate(priv, NULL); atomic_set(&adapter->iface_changing, 1); flush_workqueue(adapter->workqueue); flush_workqueue(adapter->rx_workqueue); nxpwifi_free_priv(priv); priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM; return ret; } static int nxpwifi_init_new_priv_params(struct nxpwifi_private *priv, struct net_device *dev, enum nl80211_iftype type) { struct nxpwifi_adapter *adapter = priv->adapter; int ret; nxpwifi_init_priv(priv); priv->bss_mode = type; priv->wdev.iftype = type; nxpwifi_init_priv_params(priv, priv->netdev); priv->bss_started = 0; switch (type) { case NL80211_IFTYPE_STATION: priv->bss_role = NXPWIFI_BSS_ROLE_STA; break; case NL80211_IFTYPE_AP: priv->bss_role = NXPWIFI_BSS_ROLE_UAP; break; default: nxpwifi_dbg(adapter, ERROR, "%s: changing to %d not supported\n", dev->name, type); return -EOPNOTSUPP; } ret = nxpwifi_get_unused_bss_num(adapter, priv->bss_type, &priv->bss_num); if (ret) { nxpwifi_dbg(adapter, ERROR, "%s: no unused bss_num for type %d\n", dev->name, priv->bss_type); return ret; } flush_workqueue(adapter->workqueue); atomic_set(&adapter->iface_changing, 0); nxpwifi_set_mac_address(priv, dev, false, NULL); return 0; } static bool is_vif_type_change_allowed(struct nxpwifi_adapter *adapter, enum nl80211_iftype old_iftype, enum nl80211_iftype new_iftype) { switch (old_iftype) { case NL80211_IFTYPE_STATION: switch (new_iftype) { case NL80211_IFTYPE_AP: return adapter->curr_iface_comb.uap_intf != adapter->iface_limit.uap_intf; default: return false; } case NL80211_IFTYPE_AP: switch (new_iftype) { case NL80211_IFTYPE_STATION: return adapter->curr_iface_comb.sta_intf != adapter->iface_limit.sta_intf; default: return false; } default: break; } return false; } static void update_vif_type_counter(struct nxpwifi_adapter *adapter, enum nl80211_iftype iftype, int change) { switch (iftype) { case NL80211_IFTYPE_UNSPECIFIED: case NL80211_IFTYPE_STATION: adapter->curr_iface_comb.sta_intf += change; break; case NL80211_IFTYPE_AP: adapter->curr_iface_comb.uap_intf += change; break; case NL80211_IFTYPE_MONITOR: break; default: nxpwifi_dbg(adapter, ERROR, "%s: Unsupported iftype passed: %d\n", __func__, iftype); break; } } static int nxpwifi_change_vif_to_sta(struct net_device *dev, enum nl80211_iftype curr_iftype, enum nl80211_iftype type, struct vif_params *params) { struct nxpwifi_private *priv; struct nxpwifi_adapter *adapter; int ret; priv = nxpwifi_netdev_get_priv(dev); if (!priv) return -EINVAL; adapter = priv->adapter; nxpwifi_dbg(adapter, INFO, "%s: changing role to station\n", dev->name); ret = nxpwifi_deinit_priv_params(priv); if (ret) goto done; ret = nxpwifi_init_new_priv_params(priv, dev, type); if (ret) goto done; update_vif_type_counter(adapter, curr_iftype, -1); update_vif_type_counter(adapter, type, 1); dev->ieee80211_ptr->iftype = type; if (nxpwifi_set_bss_mode(priv)) return -1; if (ret) goto done; ret = nxpwifi_sta_init_cmd(priv, false, false); done: return ret; } static int nxpwifi_change_vif_to_ap(struct net_device *dev, enum nl80211_iftype curr_iftype, enum nl80211_iftype type, struct vif_params *params) { struct nxpwifi_private *priv; struct nxpwifi_adapter *adapter; int ret; priv = nxpwifi_netdev_get_priv(dev); if (!priv) return -EINVAL; adapter = priv->adapter; nxpwifi_dbg(adapter, INFO, "%s: changing role to AP\n", dev->name); ret = nxpwifi_deinit_priv_params(priv); if (ret) goto done; ret = nxpwifi_init_new_priv_params(priv, dev, type); if (ret) goto done; update_vif_type_counter(adapter, curr_iftype, -1); update_vif_type_counter(adapter, type, 1); dev->ieee80211_ptr->iftype = type; if (nxpwifi_set_bss_mode(priv)) return -1; if (ret) goto done; ret = nxpwifi_sta_init_cmd(priv, false, false); done: return ret; } /* cfg80211 operation handler to change interface type. */ static int nxpwifi_cfg80211_change_virtual_intf(struct wiphy *wiphy, struct net_device *dev, enum nl80211_iftype type, struct vif_params *params) { struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); enum nl80211_iftype curr_iftype = dev->ieee80211_ptr->iftype; if (priv->scan_request) { nxpwifi_dbg(priv->adapter, ERROR, "change virtual interface: scan in process\n"); return -EBUSY; } if (type == NL80211_IFTYPE_UNSPECIFIED) { nxpwifi_dbg(priv->adapter, INFO, "%s: no new type specified, keeping old type %d\n", dev->name, curr_iftype); return 0; } if (curr_iftype == type) { nxpwifi_dbg(priv->adapter, INFO, "%s: interface already is of type %d\n", dev->name, curr_iftype); return 0; } if (!is_vif_type_change_allowed(priv->adapter, curr_iftype, type)) { nxpwifi_dbg(priv->adapter, ERROR, "%s: change from type %d to %d is not allowed\n", dev->name, curr_iftype, type); return -EOPNOTSUPP; } switch (curr_iftype) { case NL80211_IFTYPE_STATION: switch (type) { case NL80211_IFTYPE_AP: return nxpwifi_change_vif_to_ap(dev, curr_iftype, type, params); default: goto errnotsupp; } case NL80211_IFTYPE_AP: switch (type) { case NL80211_IFTYPE_STATION: return nxpwifi_change_vif_to_sta(dev, curr_iftype, type, params); default: goto errnotsupp; } default: goto errnotsupp; } errnotsupp: nxpwifi_dbg(priv->adapter, ERROR, "unsupported interface type transition: %d to %d\n", curr_iftype, type); return -EOPNOTSUPP; } #define RATE_FORMAT_LG 0 #define RATE_FORMAT_HT 1 #define RATE_FORMAT_VHT 2 #define RATE_FORMAT_HE 3 static void nxpwifi_parse_htinfo(struct nxpwifi_private *priv, u8 rateinfo, u8 htinfo, struct rate_info *rate) { struct nxpwifi_adapter *adapter = priv->adapter; u8 rate_format; u8 he_dcm; u8 stbc; u8 gi; u8 bw; /* Bitrates in multiples of 100kb/s. */ static const int legacy_rates[] = { [0] = 10, [1] = 20, [2] = 55, [3] = 110, [4] = 60, /* NXPWIFI_RATE_INDEX_OFDM0 */ [5] = 60, [6] = 90, [7] = 120, [8] = 180, [9] = 240, [10] = 360, [11] = 480, [12] = 540, }; rate_format = htinfo & 0x3; switch (rate_format) { case RATE_FORMAT_LG: if (rateinfo < ARRAY_SIZE(legacy_rates)) rate->legacy = legacy_rates[rateinfo]; break; case RATE_FORMAT_HT: rate->mcs = rateinfo; rate->flags |= RATE_INFO_FLAGS_MCS; break; case RATE_FORMAT_VHT: rate->mcs = rateinfo & 0xF; rate->flags |= RATE_INFO_FLAGS_VHT_MCS; break; case RATE_FORMAT_HE: rate->mcs = rateinfo & 0xF; rate->flags |= RATE_INFO_FLAGS_HE_MCS; he_dcm = 0; /* ToDo: ext_rate_info */ gi = (htinfo & BIT(4)) >> 4 | (htinfo & BIT(7)) >> 6; stbc = (htinfo & BIT(5)) >> 5; if (gi > 3) { nxpwifi_dbg(adapter, ERROR, "Invalid gi value\n"); break; } if (gi == 3 && stbc && he_dcm) { gi = 0; stbc = 0; he_dcm = 0; } if (gi > 0) gi -= 1; rate->he_gi = gi; rate->he_dcm = he_dcm; break; } bw = (htinfo & 0xC) >> 2; switch (bw) { case 0: rate->bw = RATE_INFO_BW_20; break; case 1: rate->bw = RATE_INFO_BW_40; break; case 2: rate->bw = RATE_INFO_BW_80; break; case 3: rate->bw = RATE_INFO_BW_160; break; } if (rate_format != RATE_FORMAT_HE && (htinfo & BIT(4))) rate->flags |= RATE_INFO_FLAGS_SHORT_GI; if ((rateinfo >> 4) == 1) rate->nss = 2; else rate->nss = 1; } /* * Dump station statistics into station_info. * Includes bytes/packets counters, signal level, and TX/RX rates. */ static int nxpwifi_dump_station_info(struct nxpwifi_private *priv, struct nxpwifi_sta_node *node, struct station_info *sinfo) { u32 rate; int ret; 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_TX_BITRATE) | BIT_ULL(NL80211_STA_INFO_SIGNAL) | BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG); if (GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_UAP) { if (!node) return -ENOENT; sinfo->filled |= BIT_ULL(NL80211_STA_INFO_INACTIVE_TIME) | BIT_ULL(NL80211_STA_INFO_TX_FAILED); sinfo->inactive_time = jiffies_to_msecs(jiffies - node->stats.last_rx); sinfo->signal = node->stats.rssi; sinfo->signal_avg = node->stats.rssi; sinfo->rx_bytes = node->stats.rx_bytes; sinfo->tx_bytes = node->stats.tx_bytes; sinfo->rx_packets = node->stats.rx_packets; sinfo->tx_packets = node->stats.tx_packets; sinfo->tx_failed = node->stats.tx_failed; nxpwifi_parse_htinfo(priv, priv->tx_rate, node->stats.last_tx_htinfo, &sinfo->txrate); sinfo->txrate.legacy = node->stats.last_tx_rate * 5; return 0; } /* Get signal information from the firmware */ ret = nxpwifi_get_rssi_info(priv); if (ret) { nxpwifi_dbg(priv->adapter, ERROR, "failed to get signal information\n"); goto done; } ret = nxpwifi_drv_get_data_rate(priv, &rate); if (ret) { nxpwifi_dbg(priv->adapter, ERROR, "getting data rate error\n"); goto done; } /* Retrieve DTIM period value from firmware. */ nxpwifi_get_802_11_snmp_mib(priv, DTIM_PERIOD_I, &priv->dtim_period); nxpwifi_parse_htinfo(priv, priv->tx_rate, priv->tx_htinfo, &sinfo->txrate); sinfo->signal_avg = priv->bcn_rssi_avg; sinfo->rx_bytes = priv->stats.rx_bytes; sinfo->tx_bytes = priv->stats.tx_bytes; sinfo->rx_packets = priv->stats.rx_packets; sinfo->tx_packets = priv->stats.tx_packets; sinfo->signal = priv->bcn_rssi_avg; /* Convert bitrate from 500 kb/s units to 100 kb/s units. */ sinfo->txrate.legacy = rate * 5; sinfo->filled |= BIT(NL80211_STA_INFO_RX_BITRATE); nxpwifi_parse_htinfo(priv, priv->rxpd_rate, priv->rxpd_htinfo, &sinfo->rxrate); if (priv->bss_mode == NL80211_IFTYPE_STATION) { sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BSS_PARAM); sinfo->bss_param.flags = 0; if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap & WLAN_CAPABILITY_SHORT_PREAMBLE) sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE; if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap & WLAN_CAPABILITY_SHORT_SLOT_TIME) sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME; sinfo->bss_param.dtim_period = priv->dtim_period; sinfo->bss_param.beacon_interval = priv->curr_bss_params.bss_descriptor.beacon_period; } done: return ret; } /* * cfg80211 op: get station information. * Works only when connected and fills station_info with current stats. */ static int nxpwifi_cfg80211_get_station(struct wiphy *wiphy, struct wireless_dev *wdev, const u8 *mac, struct station_info *sinfo) { struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(wdev->netdev); struct nxpwifi_sta_node *node; if (GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_STA) { if (!priv->media_connected || memcmp(mac, priv->cfg_bssid, ETH_ALEN)) return -ENOENT; node = NULL; } else { rcu_read_lock(); node = nxpwifi_get_sta_entry(priv, mac); rcu_read_unlock(); } return nxpwifi_dump_station_info(priv, node, sinfo); } /* cfg80211 operation handler to dump station information. */ static int nxpwifi_cfg80211_dump_station(struct wiphy *wiphy, struct wireless_dev *wdev, int idx, u8 *mac, struct station_info *sinfo) { struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(wdev->netdev); struct nxpwifi_sta_node *node; struct nxpwifi_sta_node *found = NULL; int i; if ((GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_STA) && priv->media_connected && idx == 0) { ether_addr_copy(mac, priv->cfg_bssid); return nxpwifi_dump_station_info(priv, NULL, sinfo); } else if (GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_UAP) { nxpwifi_ap_get_sta_list(priv); i = 0; rcu_read_lock(); list_for_each_entry_rcu(node, &priv->sta_list, list) { if (i++ != idx) continue; found = node; break; } rcu_read_unlock(); if (found) { ether_addr_copy(mac, node->mac_addr); return nxpwifi_dump_station_info(priv, node, sinfo); } } return -ENOENT; } static int nxpwifi_cfg80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, int idx, struct survey_info *survey) { struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); struct nxpwifi_chan_stats *pchan_stats = priv->adapter->chan_stats; enum nl80211_band band; u8 chan_num; nxpwifi_dbg(priv->adapter, DUMP, "dump_survey idx=%d\n", idx); memset(survey, 0, sizeof(struct survey_info)); if ((GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_STA) && priv->media_connected && idx == 0) { u8 curr_bss_band = priv->curr_bss_params.band; u32 chan = priv->curr_bss_params.bss_descriptor.channel; band = nxpwifi_band_to_radio_type(curr_bss_band); survey->channel = ieee80211_get_channel (wiphy, ieee80211_channel_to_frequency(chan, band)); if (priv->bcn_nf_last) { survey->filled = SURVEY_INFO_NOISE_DBM; survey->noise = priv->bcn_nf_last; } return 0; } if (idx >= priv->adapter->num_in_chan_stats) return -ENOENT; if (!pchan_stats[idx].cca_scan_dur) return 0; band = pchan_stats[idx].bandcfg; chan_num = pchan_stats[idx].chan_num; survey->channel = ieee80211_get_channel (wiphy, ieee80211_channel_to_frequency(chan_num, band)); survey->filled = SURVEY_INFO_NOISE_DBM | SURVEY_INFO_TIME | SURVEY_INFO_TIME_BUSY; survey->noise = pchan_stats[idx].noise; survey->time = pchan_stats[idx].cca_scan_dur; survey->time_busy = pchan_stats[idx].cca_busy_dur; return 0; } /* Supported rates to be advertised to the cfg80211 */ static struct ieee80211_rate nxpwifi_rates[] = { {.bitrate = 10, .hw_value = 2, }, {.bitrate = 20, .hw_value = 4, }, {.bitrate = 55, .hw_value = 11, }, {.bitrate = 110, .hw_value = 22, }, {.bitrate = 60, .hw_value = 12, }, {.bitrate = 90, .hw_value = 18, }, {.bitrate = 120, .hw_value = 24, }, {.bitrate = 180, .hw_value = 36, }, {.bitrate = 240, .hw_value = 48, }, {.bitrate = 360, .hw_value = 72, }, {.bitrate = 480, .hw_value = 96, }, {.bitrate = 540, .hw_value = 108, }, }; /* Channel definitions to be advertised to cfg80211 */ static struct ieee80211_channel nxpwifi_channels_2ghz[] = { {.center_freq = 2412, .hw_value = 1, }, {.center_freq = 2417, .hw_value = 2, }, {.center_freq = 2422, .hw_value = 3, }, {.center_freq = 2427, .hw_value = 4, }, {.center_freq = 2432, .hw_value = 5, }, {.center_freq = 2437, .hw_value = 6, }, {.center_freq = 2442, .hw_value = 7, }, {.center_freq = 2447, .hw_value = 8, }, {.center_freq = 2452, .hw_value = 9, }, {.center_freq = 2457, .hw_value = 10, }, {.center_freq = 2462, .hw_value = 11, }, {.center_freq = 2467, .hw_value = 12, }, {.center_freq = 2472, .hw_value = 13, }, {.center_freq = 2484, .hw_value = 14, }, }; static struct ieee80211_supported_band nxpwifi_band_2ghz = { .band = NL80211_BAND_2GHZ, .channels = nxpwifi_channels_2ghz, .n_channels = ARRAY_SIZE(nxpwifi_channels_2ghz), .bitrates = nxpwifi_rates, .n_bitrates = ARRAY_SIZE(nxpwifi_rates), }; static struct ieee80211_channel nxpwifi_channels_5ghz[] = { {.center_freq = 5040, .hw_value = 8, }, {.center_freq = 5060, .hw_value = 12, }, {.center_freq = 5080, .hw_value = 16, }, {.center_freq = 5170, .hw_value = 34, }, {.center_freq = 5190, .hw_value = 38, }, {.center_freq = 5210, .hw_value = 42, }, {.center_freq = 5230, .hw_value = 46, }, {.center_freq = 5180, .hw_value = 36, }, {.center_freq = 5200, .hw_value = 40, }, {.center_freq = 5220, .hw_value = 44, }, {.center_freq = 5240, .hw_value = 48, }, {.center_freq = 5260, .hw_value = 52, }, {.center_freq = 5280, .hw_value = 56, }, {.center_freq = 5300, .hw_value = 60, }, {.center_freq = 5320, .hw_value = 64, }, {.center_freq = 5500, .hw_value = 100, }, {.center_freq = 5520, .hw_value = 104, }, {.center_freq = 5540, .hw_value = 108, }, {.center_freq = 5560, .hw_value = 112, }, {.center_freq = 5580, .hw_value = 116, }, {.center_freq = 5600, .hw_value = 120, }, {.center_freq = 5620, .hw_value = 124, }, {.center_freq = 5640, .hw_value = 128, }, {.center_freq = 5660, .hw_value = 132, }, {.center_freq = 5680, .hw_value = 136, }, {.center_freq = 5700, .hw_value = 140, }, {.center_freq = 5745, .hw_value = 149, }, {.center_freq = 5765, .hw_value = 153, }, {.center_freq = 5785, .hw_value = 157, }, {.center_freq = 5805, .hw_value = 161, }, {.center_freq = 5825, .hw_value = 165, }, }; static struct ieee80211_supported_band nxpwifi_band_5ghz = { .band = NL80211_BAND_5GHZ, .channels = nxpwifi_channels_5ghz, .n_channels = ARRAY_SIZE(nxpwifi_channels_5ghz), .bitrates = nxpwifi_rates + 4, .n_bitrates = ARRAY_SIZE(nxpwifi_rates) - 4, }; /* Supported crypto cipher suits to be advertised to cfg80211 */ static const u32 nxpwifi_cipher_suites[] = { WLAN_CIPHER_SUITE_WEP40, WLAN_CIPHER_SUITE_WEP104, WLAN_CIPHER_SUITE_TKIP, WLAN_CIPHER_SUITE_CCMP, WLAN_CIPHER_SUITE_SMS4, WLAN_CIPHER_SUITE_AES_CMAC, WLAN_CIPHER_SUITE_GCMP_256, WLAN_CIPHER_SUITE_CCMP_256, WLAN_CIPHER_SUITE_BIP_GMAC_256, WLAN_CIPHER_SUITE_BIP_CMAC_256, }; /* Supported mgmt frame types to be advertised to cfg80211 */ static const struct ieee80211_txrx_stypes nxpwifi_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 = 0xffff, .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | BIT(IEEE80211_STYPE_DISASSOC >> 4) | BIT(IEEE80211_STYPE_AUTH >> 4) | BIT(IEEE80211_STYPE_DEAUTH >> 4) | BIT(IEEE80211_STYPE_ACTION >> 4), }, }; /* * cfg80211 op: set bitrate mask. * Converts cfg80211 bitrate selections into firmware bitmap format. */ static int nxpwifi_cfg80211_set_bitrate_mask(struct wiphy *wiphy, struct net_device *dev, unsigned int link_id, const u8 *peer, const struct cfg80211_bitrate_mask *mask) { struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); u16 bitmap_rates[MAX_BITMAP_RATES_SIZE]; enum nl80211_band band; struct nxpwifi_adapter *adapter = priv->adapter; if (!priv->media_connected) { nxpwifi_dbg(adapter, ERROR, "Can not set Tx data rate in disconnected state\n"); return -EINVAL; } band = nxpwifi_band_to_radio_type(priv->curr_bss_params.band); memset(bitmap_rates, 0, sizeof(bitmap_rates)); /* Fill HR/DSSS legacy rates (2.4 GHz only). */ if (band == NL80211_BAND_2GHZ) bitmap_rates[0] = mask->control[band].legacy & 0x000f; /* Fill OFDM legacy rates. */ if (band == NL80211_BAND_2GHZ) bitmap_rates[1] = (mask->control[band].legacy & 0x0ff0) >> 4; else bitmap_rates[1] = mask->control[band].legacy; /* Fill HT MCS bitmap (1x1 or 2x2 depending on hardware). */ bitmap_rates[2] = mask->control[band].ht_mcs[0]; if (adapter->hw_dev_mcs_support == HT_STREAM_2X2) bitmap_rates[2] |= mask->control[band].ht_mcs[1] << 8; /* Fill VHT MCS bitmap if supported by firmware. */ if (adapter->fw_api_ver == NXPWIFI_FW_V15) { bitmap_rates[10] = mask->control[band].vht_mcs[0]; if (adapter->hw_dev_mcs_support == HT_STREAM_2X2) bitmap_rates[11] = mask->control[band].vht_mcs[1]; } return nxpwifi_set_tx_rate(priv, bitmap_rates); } /* * cfg80211 op: configure connection-quality monitoring. * Subscribes or unsubscribes HIGH_RSSI and LOW_RSSI events to firmware. */ static int nxpwifi_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy, struct net_device *dev, s32 rssi_thold, u32 rssi_hyst) { struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); struct nxpwifi_ds_misc_subsc_evt subsc_evt; int ret = 0; priv->cqm_rssi_thold = rssi_thold; priv->cqm_rssi_hyst = rssi_hyst; memset(&subsc_evt, 0x00, sizeof(struct nxpwifi_ds_misc_subsc_evt)); subsc_evt.events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH; /* Subscribe/unsubscribe low and high rssi events */ if (rssi_thold && rssi_hyst) { subsc_evt.action = HOST_ACT_BITWISE_SET; subsc_evt.bcn_l_rssi_cfg.abs_value = abs(rssi_thold); subsc_evt.bcn_h_rssi_cfg.abs_value = abs(rssi_thold); subsc_evt.bcn_l_rssi_cfg.evt_freq = 1; subsc_evt.bcn_h_rssi_cfg.evt_freq = 1; ret = nxpwifi_802_11_subscribe_event(priv, &subsc_evt); } else { subsc_evt.action = HOST_ACT_BITWISE_CLR; ret = nxpwifi_802_11_subscribe_event(priv, &subsc_evt); } return ret; } /* * cfg80211 operation handler for change_beacon. * Function retrieves and sets modified management IEs to FW. */ int nxpwifi_cfg80211_change_beacon(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_ap_update *params) { struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); struct nxpwifi_adapter *adapter = priv->adapter; struct cfg80211_beacon_data *data = ¶ms->beacon; int ret; nxpwifi_cancel_scan(adapter); if (GET_BSS_ROLE(priv) != NXPWIFI_BSS_ROLE_UAP) { nxpwifi_dbg(priv->adapter, ERROR, "%s: bss_type mismatched\n", __func__); return -EINVAL; } ret = nxpwifi_set_mgmt_ies(priv, data); if (ret) nxpwifi_dbg(priv->adapter, ERROR, "%s: setting mgmt ies failed\n", __func__); return ret; } /* * cfg80211 operation handler for del_station. * Function deauthenticates station which value is provided in mac parameter. * If mac is NULL/broadcast, all stations in associated station list are * deauthenticated. If bss is not started or there are no stations in * associated stations list, no action is taken. */ static int nxpwifi_cfg80211_del_station(struct wiphy *wiphy, struct wireless_dev *wdev, struct station_del_parameters *params) { struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(wdev->netdev); struct nxpwifi_sta_node *sta_node; u8 deauth_mac[ETH_ALEN]; int ret = 0; if (!priv->bss_started && priv->wdev.links[0].cac_started) { nxpwifi_dbg(priv->adapter, INFO, "%s: abort CAC!\n", __func__); nxpwifi_abort_cac(priv); } if (list_empty(&priv->sta_list) || !priv->bss_started) return 0; if (!params->mac || is_broadcast_ether_addr(params->mac)) return 0; nxpwifi_dbg(priv->adapter, INFO, "%s: mac address %pM\n", __func__, params->mac); eth_zero_addr(deauth_mac); sta_node = nxpwifi_get_sta_entry(priv, params->mac); if (sta_node) ether_addr_copy(deauth_mac, params->mac); if (is_valid_ether_addr(deauth_mac)) { ret = nxpwifi_uap_sta_deauth(priv, deauth_mac); nxpwifi_del_sta_entry(priv, deauth_mac); } return ret; } static int nxpwifi_cfg80211_set_antenna(struct wiphy *wiphy, int radio_idx, u32 tx_ant, u32 rx_ant) { struct nxpwifi_adapter *adapter = nxpwifi_cfg80211_get_adapter(wiphy); struct nxpwifi_private *priv = nxpwifi_get_priv(adapter, NXPWIFI_BSS_ROLE_ANY); struct nxpwifi_ds_ant_cfg ant_cfg; if (!tx_ant || !rx_ant) return -EOPNOTSUPP; if (adapter->hw_dev_mcs_support != HT_STREAM_2X2) { /* * Not a MIMO chip. User should provide specific antenna number * for Tx/Rx path or enable all antennas for diversity */ if (tx_ant != rx_ant) return -EOPNOTSUPP; if ((tx_ant & (tx_ant - 1)) && (tx_ant != BIT(adapter->number_of_antenna) - 1)) return -EOPNOTSUPP; if ((tx_ant == BIT(adapter->number_of_antenna) - 1) && priv->adapter->number_of_antenna > 1) { tx_ant = RF_ANTENNA_AUTO; rx_ant = RF_ANTENNA_AUTO; } } else { struct ieee80211_sta_ht_cap *ht_info; int rx_mcs_supp; enum nl80211_band band; if ((tx_ant == 0x1 && rx_ant == 0x1)) { adapter->user_dev_mcs_support = HT_STREAM_1X1; if (adapter->is_hw_11ac_capable) adapter->usr_dot_11ac_mcs_support = NXPWIFI_11AC_MCS_MAP_1X1; } else { adapter->user_dev_mcs_support = HT_STREAM_2X2; if (adapter->is_hw_11ac_capable) adapter->usr_dot_11ac_mcs_support = NXPWIFI_11AC_MCS_MAP_2X2; } for (band = 0; band < NUM_NL80211_BANDS; band++) { if (!adapter->wiphy->bands[band]) continue; ht_info = &adapter->wiphy->bands[band]->ht_cap; rx_mcs_supp = GET_RXMCSSUPP(adapter->user_dev_mcs_support); memset(&ht_info->mcs, 0, adapter->number_of_antenna); memset(&ht_info->mcs, 0xff, rx_mcs_supp); } } ant_cfg.tx_ant = tx_ant; ant_cfg.rx_ant = rx_ant; return nxpwifi_set_rf_antenna(priv, &ant_cfg); } static int nxpwifi_cfg80211_get_antenna(struct wiphy *wiphy, int radio_idx, u32 *tx_ant, u32 *rx_ant) { struct nxpwifi_adapter *adapter = nxpwifi_cfg80211_get_adapter(wiphy); struct nxpwifi_private *priv = nxpwifi_get_priv(adapter, NXPWIFI_BSS_ROLE_ANY); int ret; ret = nxpwifi_get_rf_antenna(priv, tx_ant, rx_ant); return ret; } /* * cfg80211 op: stop AP. * Stops the BSS running on the uAP interface. */ static int nxpwifi_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev, unsigned int link_id) { struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); int ret; nxpwifi_abort_cac(priv); if (nxpwifi_del_mgmt_ies(priv)) nxpwifi_dbg(priv->adapter, ERROR, "Failed to delete mgmt IEs!\n"); priv->ap_11n_enabled = 0; memset(&priv->bss_cfg, 0, sizeof(priv->bss_cfg)); ret = nxpwifi_ap_stop_bss(priv); if (ret) { nxpwifi_dbg(priv->adapter, ERROR, "Failed to stop the BSS\n"); goto done; } ret = nxpwifi_ap_sys_reset(priv); if (ret) { nxpwifi_dbg(priv->adapter, ERROR, "Failed to reset BSS\n"); goto done; } netif_carrier_off(priv->netdev); nxpwifi_stop_net_dev_queue(priv->netdev, priv->adapter); if (atomic_dec_and_test(&priv->adapter->uap_count)) { priv->adapter->chandef_valid = false; memset(&priv->adapter->chandef, 0, sizeof(priv->adapter->chandef)); } done: return ret; } /* * cfg80211 op: start AP. * Applies beacon/DTIM/SSID/security settings to the uAP configuration and * starts the BSS. */ static int nxpwifi_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_ap_settings *params) { struct nxpwifi_uap_bss_param *bss_cfg; struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); struct nxpwifi_adapter *adapter = priv->adapter; struct cfg80211_chan_def use_chandef; bool is_first_uap = false; int ret; /* * Adapter is the HW channel owner (single PHY). * All UAP interfaces on the same adapter must share * the same RF channel. */ use_chandef = params->chandef; if (adapter->chandef_valid) { if (!cfg80211_chandef_identical(&adapter->chandef, ¶ms->chandef)) { nxpwifi_dbg(adapter, INFO, "UAP already running on channel %d, ignore requested channel %d\n", adapter->chandef.chan->hw_value, params->chandef.chan->hw_value); } use_chandef = adapter->chandef; } else { is_first_uap = true; } if (GET_BSS_ROLE(priv) != NXPWIFI_BSS_ROLE_UAP) return -EINVAL; if (!nxpwifi_is_channel_setting_allowable(priv, params->chandef.chan)) return -EOPNOTSUPP; bss_cfg = kzalloc_obj(*bss_cfg); if (!bss_cfg) return -ENOMEM; nxpwifi_set_sys_config_invalid_data(bss_cfg); memcpy(bss_cfg->mac_addr, priv->curr_addr, ETH_ALEN); if (params->beacon_interval) bss_cfg->beacon_period = params->beacon_interval; if (params->dtim_period) bss_cfg->dtim_period = params->dtim_period; if (params->ssid && params->ssid_len) { memcpy(bss_cfg->ssid.ssid, params->ssid, params->ssid_len); bss_cfg->ssid.ssid_len = params->ssid_len; } if (params->inactivity_timeout > 0) { /* sta_ao_timer/ps_sta_ao_timer is in unit of 100ms */ bss_cfg->sta_ao_timer = 10 * params->inactivity_timeout; bss_cfg->ps_sta_ao_timer = 10 * params->inactivity_timeout; } /* Default: SSID is visible */ bss_cfg->bcast_ssid_ctl = NXPWIFI_BCAST_SSID_VISIBLE; switch (params->hidden_ssid) { case NL80211_HIDDEN_SSID_NOT_IN_USE: bss_cfg->bcast_ssid_ctl = NXPWIFI_BCAST_SSID_VISIBLE; break; case NL80211_HIDDEN_SSID_ZERO_LEN: bss_cfg->bcast_ssid_ctl = NXPWIFI_BCAST_SSID_HIDE_LEN_ZERO; break; case NL80211_HIDDEN_SSID_ZERO_CONTENTS: bss_cfg->bcast_ssid_ctl = NXPWIFI_BCAST_SSID_HIDE_LEN_RETAIN; break; } nxpwifi_uap_set_channel(priv, bss_cfg, use_chandef); nxpwifi_set_uap_rates(bss_cfg, params); ret = nxpwifi_set_secure_params(priv, bss_cfg, params); if (ret) { nxpwifi_dbg(adapter, ERROR, "Failed to parse security parameters!\n"); goto done; } nxpwifi_set_ht_params(priv, bss_cfg, params); if (adapter->is_hw_11ac_capable) { nxpwifi_set_vht_params(priv, bss_cfg, params); nxpwifi_set_vht_width(priv, use_chandef.width, priv->ap_11ac_enabled); } if (priv->ap_11ac_enabled) nxpwifi_set_11ac_ba_params(priv); else nxpwifi_set_ba_params(priv); if (adapter->is_hw_11ax_capable) { priv->ap_11ax_enabled = nxpwifi_check_11ax_capability(priv, bss_cfg, params); if (priv->ap_11ax_enabled) nxpwifi_set_11ax_status(priv, bss_cfg, params); } nxpwifi_set_wmm_params(priv, bss_cfg, params); if (nxpwifi_is_11h_active(priv)) nxpwifi_set_tpc_params(priv, bss_cfg, params); if (nxpwifi_is_11h_active(priv) && !cfg80211_chandef_dfs_required(wiphy, ¶ms->chandef, priv->bss_mode)) { nxpwifi_dbg(priv->adapter, INFO, "Disable 11h extensions in FW\n"); ret = nxpwifi_11h_activate(priv, false); if (ret) { nxpwifi_dbg(priv->adapter, ERROR, "Failed to disable 11h extensions!!"); goto done; } priv->state_11h.is_11h_active = false; } nxpwifi_config_uap_11d(priv, ¶ms->beacon); ret = nxpwifi_set_mgmt_ies(priv, ¶ms->beacon); if (ret) goto done; ret = nxpwifi_config_start_uap(priv, bss_cfg); if (ret) { nxpwifi_dbg(priv->adapter, ERROR, "Failed to start AP\n"); goto done; } /* First UAP records adapter-level HW channel */ if (is_first_uap) { adapter->chandef = use_chandef; adapter->chandef_valid = true; } atomic_inc(&adapter->uap_count); netif_carrier_on(priv->netdev); nxpwifi_wake_up_net_dev_queue(priv->netdev, priv->adapter); memcpy(&priv->bss_cfg, bss_cfg, sizeof(priv->bss_cfg)); done: kfree(bss_cfg); return ret; } /* * cfg80211 op: handle scan request. * Issues a firmware scan using the requested parameters and reports the * results. */ static int nxpwifi_cfg80211_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request) { struct net_device *dev = request->wdev->netdev; struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); int i, offset, ret; struct ieee80211_channel *chan; struct element *ie; struct nxpwifi_user_scan_cfg *user_scan_cfg; u8 mac_addr[ETH_ALEN]; nxpwifi_dbg(priv->adapter, CMD, "info: received scan request on %s\n", dev->name); /* * Block scan requests during active scanning or scan cleanup. * Prevents new scans when the interface is disabled or teardown is in * progress. */ if (priv->scan_request || priv->scan_aborting) { nxpwifi_dbg(priv->adapter, WARN, "cmd: Scan already in process..\n"); return -EBUSY; } if (!priv->wdev.connected && priv->scan_block) priv->scan_block = false; if (!nxpwifi_stop_bg_scan(priv)) cfg80211_sched_scan_stopped_locked(priv->wdev.wiphy, 0); user_scan_cfg = kzalloc_obj(*user_scan_cfg); if (!user_scan_cfg) return -ENOMEM; priv->scan_request = request; if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) { get_random_mask_addr(mac_addr, request->mac_addr, request->mac_addr_mask); ether_addr_copy(request->mac_addr, mac_addr); ether_addr_copy(user_scan_cfg->random_mac, mac_addr); } user_scan_cfg->num_ssids = request->n_ssids; user_scan_cfg->ssid_list = request->ssids; if (request->ie && request->ie_len) { offset = 0; for (i = 0; i < NXPWIFI_MAX_VSIE_NUM; i++) { if (priv->vs_ie[i].mask != NXPWIFI_VSIE_MASK_CLEAR) continue; priv->vs_ie[i].mask = NXPWIFI_VSIE_MASK_SCAN; ie = (struct element *)(request->ie + offset); memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->datalen); offset += sizeof(*ie) + ie->datalen; if (offset >= request->ie_len) break; } } for (i = 0; i < min_t(u32, request->n_channels, NXPWIFI_USER_SCAN_CHAN_MAX); i++) { chan = request->channels[i]; user_scan_cfg->chan_list[i].chan_number = chan->hw_value; user_scan_cfg->chan_list[i].radio_type = chan->band; if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids) user_scan_cfg->chan_list[i].scan_type = NXPWIFI_SCAN_TYPE_PASSIVE; else user_scan_cfg->chan_list[i].scan_type = NXPWIFI_SCAN_TYPE_ACTIVE; user_scan_cfg->chan_list[i].scan_time = 0; } if (priv->adapter->scan_chan_gap_enabled && nxpwifi_is_any_intf_active(priv)) user_scan_cfg->scan_chan_gap = priv->adapter->scan_chan_gap_time; ret = nxpwifi_scan_networks(priv, user_scan_cfg); kfree(user_scan_cfg); if (ret) { nxpwifi_dbg(priv->adapter, ERROR, "scan failed: %d\n", ret); priv->scan_aborting = false; priv->scan_request = NULL; return ret; } if (request->ie && request->ie_len) { for (i = 0; i < NXPWIFI_MAX_VSIE_NUM; i++) { if (priv->vs_ie[i].mask == NXPWIFI_VSIE_MASK_SCAN) { priv->vs_ie[i].mask = NXPWIFI_VSIE_MASK_CLEAR; memset(&priv->vs_ie[i].ie, 0, NXPWIFI_MAX_VSIE_LEN); } } } return 0; } /* * cfg80211 sched_scan_start handler. * * Send a bgscan configuration request to the firmware based on the * scheduled scan parameters. On success, the firmware later issues a * BGSCAN_REPORT event, after which the driver should query the firmware * for scan results. */ static int nxpwifi_cfg80211_sched_scan_start(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_sched_scan_request *request) { struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); int i, offset; struct ieee80211_channel *chan; struct nxpwifi_bg_scan_cfg *bgscan_cfg; struct element *ie; int ret; if (!request || (!request->n_ssids && !request->n_match_sets)) { wiphy_err(wiphy, "%s : Invalid Sched_scan parameters", __func__); return -EINVAL; } wiphy_info(wiphy, "sched_scan start : n_ssids=%d n_match_sets=%d ", request->n_ssids, request->n_match_sets); wiphy_info(wiphy, "n_channels=%d interval=%d ie_len=%d\n", request->n_channels, request->scan_plans->interval, (int)request->ie_len); bgscan_cfg = kzalloc_obj(*bgscan_cfg); if (!bgscan_cfg) return -ENOMEM; if (priv->scan_request || priv->scan_aborting) bgscan_cfg->start_later = true; bgscan_cfg->num_ssids = request->n_match_sets; bgscan_cfg->ssid_list = request->match_sets; if (request->ie && request->ie_len) { offset = 0; for (i = 0; i < NXPWIFI_MAX_VSIE_NUM; i++) { if (priv->vs_ie[i].mask != NXPWIFI_VSIE_MASK_CLEAR) continue; priv->vs_ie[i].mask = NXPWIFI_VSIE_MASK_BGSCAN; ie = (struct element *)(request->ie + offset); memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->datalen); offset += sizeof(*ie) + ie->datalen; if (offset >= request->ie_len) break; } } for (i = 0; i < min_t(u32, request->n_channels, NXPWIFI_BG_SCAN_CHAN_MAX); i++) { chan = request->channels[i]; bgscan_cfg->chan_list[i].chan_number = chan->hw_value; bgscan_cfg->chan_list[i].radio_type = chan->band; if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids) bgscan_cfg->chan_list[i].scan_type = NXPWIFI_SCAN_TYPE_PASSIVE; else bgscan_cfg->chan_list[i].scan_type = NXPWIFI_SCAN_TYPE_ACTIVE; bgscan_cfg->chan_list[i].scan_time = 0; } bgscan_cfg->chan_per_scan = min_t(u32, request->n_channels, NXPWIFI_BG_SCAN_CHAN_MAX); /* Minimum scan cycle duration: 15 seconds */ bgscan_cfg->scan_interval = (request->scan_plans->interval > NXPWIFI_BGSCAN_INTERVAL) ? request->scan_plans->interval : NXPWIFI_BGSCAN_INTERVAL; bgscan_cfg->repeat_count = NXPWIFI_BGSCAN_REPEAT_COUNT; bgscan_cfg->report_condition = NXPWIFI_BGSCAN_SSID_MATCH | NXPWIFI_BGSCAN_WAIT_ALL_CHAN_DONE; bgscan_cfg->bss_type = NXPWIFI_BSS_MODE_INFRA; bgscan_cfg->action = NXPWIFI_BGSCAN_ACT_SET; bgscan_cfg->enable = true; if (request->min_rssi_thold != NL80211_SCAN_RSSI_THOLD_OFF) { bgscan_cfg->report_condition |= NXPWIFI_BGSCAN_SSID_RSSI_MATCH; bgscan_cfg->rssi_threshold = request->min_rssi_thold; } ret = nxpwifi_bg_scan_config(priv, bgscan_cfg); if (!ret) priv->sched_scanning = true; kfree(bgscan_cfg); return ret; } /* * cfg80211 sched_scan_stop handler. * * Send a bgscan configuration command to disable the previous * background scan settings in the firmware. */ static int nxpwifi_cfg80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev, u64 reqid) { struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); wiphy_info(wiphy, "sched scan stop!"); return nxpwifi_stop_bg_scan(priv); } /* * Set default cfg80211 HT capabilities. */ static void nxpwifi_setup_ht_caps(struct nxpwifi_private *priv, struct ieee80211_sta_ht_cap *ht_info) { int rx_mcs_supp; struct ieee80211_mcs_info mcs_set; u8 *mcs = (u8 *)&mcs_set; struct nxpwifi_adapter *adapter = priv->adapter; ht_info->ht_supported = true; ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE; memset(&ht_info->mcs, 0, sizeof(ht_info->mcs)); /* Fill HT capability information */ if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap)) ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; else ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap)) ht_info->cap |= IEEE80211_HT_CAP_SGI_20; else ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20; if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap)) ht_info->cap |= IEEE80211_HT_CAP_SGI_40; else ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40; if (adapter->user_dev_mcs_support == HT_STREAM_2X2) ht_info->cap |= 2 << IEEE80211_HT_CAP_RX_STBC_SHIFT; else ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT; if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap)) ht_info->cap |= IEEE80211_HT_CAP_TX_STBC; else ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC; if (ISSUPP_GREENFIELD(adapter->hw_dot_11n_dev_cap)) ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD; else ht_info->cap &= ~IEEE80211_HT_CAP_GRN_FLD; if (ISENABLED_40MHZ_INTOLERANT(adapter->hw_dot_11n_dev_cap)) ht_info->cap |= IEEE80211_HT_CAP_40MHZ_INTOLERANT; else ht_info->cap &= ~IEEE80211_HT_CAP_40MHZ_INTOLERANT; if (ISSUPP_RXLDPC(adapter->hw_dot_11n_dev_cap)) ht_info->cap |= IEEE80211_HT_CAP_LDPC_CODING; else ht_info->cap &= ~IEEE80211_HT_CAP_LDPC_CODING; ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU; ht_info->cap |= IEEE80211_HT_CAP_SM_PS; rx_mcs_supp = GET_RXMCSSUPP(adapter->user_dev_mcs_support); /* Set MCS for 1x1/2x2 */ memset(mcs, 0xff, rx_mcs_supp); /* Clear all the other values */ memset(&mcs[rx_mcs_supp], 0, sizeof(struct ieee80211_mcs_info) - rx_mcs_supp); if (priv->bss_mode == NL80211_IFTYPE_STATION || ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap)) /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */ SETHT_MCS32(mcs_set.rx_mask); memcpy((u8 *)&ht_info->mcs, mcs, sizeof(struct ieee80211_mcs_info)); ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; } static void nxpwifi_setup_vht_caps(struct nxpwifi_private *priv, struct ieee80211_sta_vht_cap *vht_info) { struct nxpwifi_adapter *adapter = priv->adapter; vht_info->vht_supported = true; vht_info->cap = adapter->hw_dot_11ac_dev_cap; /* Update MCS support for VHT */ vht_info->vht_mcs.rx_mcs_map = cpu_to_le16(adapter->hw_dot_11ac_mcs_support & 0xFFFF); vht_info->vht_mcs.rx_highest = 0; vht_info->vht_mcs.tx_mcs_map = cpu_to_le16(adapter->hw_dot_11ac_mcs_support >> 16); vht_info->vht_mcs.tx_highest = 0; } /* * 5 GHz HE capability masks for UAP mode. * * MAC: TWT requester/respondor, broadcast TWT, OMI control. * * PHY: 40/80 MHz width, puncturing, LDPC, NDP 4xLTF, STBC, * Doppler, DCM, SU BF/BFe, STS, sounding dims, extended * range, PPE present, 4xLTF 0.8us GI, Rx 1024-QAM. */ #define UAP_HE_MAC_CAP0_MASK (IEEE80211_HE_MAC_CAP0_TWT_REQ | \ IEEE80211_HE_MAC_CAP0_TWT_RES) #define UAP_HE_MAC_CAP1_MASK 0 #define UAP_HE_MAC_CAP2_MASK IEEE80211_HE_MAC_CAP2_BCAST_TWT #define UAP_HE_MAC_CAP3_MASK IEEE80211_HE_MAC_CAP3_OMI_CONTROL #define UAP_HE_MAC_CAP4_MASK 0 #define UAP_HE_MAC_CAP5_MASK 0 #define UAP_HE_PHY_CAP0_MASK IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G #define UAP_HE_PHY_CAP1_MASK (IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD | \ IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ | \ IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ) #define UAP_HE_PHY_CAP2_MASK (IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US | \ IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ | \ IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ | \ IEEE80211_HE_PHY_CAP2_DOPPLER_TX | \ IEEE80211_HE_PHY_CAP2_DOPPLER_RX) #define UAP_HE_PHY_CAP3_MASK (IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK | \ IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1 | \ IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK | \ IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1 | \ IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER) #define UAP_HE_PHY_CAP4_MASK (IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE | \ IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8) #define UAP_HE_PHY_CAP5_MASK IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2 #define UAP_HE_PHY_CAP6_MASK (IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE | \ IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) #define UAP_HE_PHY_CAP7_MASK (IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI | \ IEEE80211_HE_PHY_CAP7_MAX_NC_1) #define UAP_HE_PHY_CAP8_MASK 0 #define UAP_HE_PHY_CAP9_MASK IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU #define UAP_HE_PHY_CAP10_MASK 0 /* * 2.4 GHz HE capability masks for UAP mode. * * MAC: HTC HE, OMI control (no UL OFDMA). * PHY: 40 MHz, LDPC, NDP 4xLTF, STBC, Doppler, DCM, * SU BF/BFe, STS/sounding dims, extended range, * PPE present, 4xLTF 0.8us GI, Rx 1024-QAM. */ #define UAP_HE_2G_MAC_CAP0_MASK 0x00 #define UAP_HE_2G_MAC_CAP1_MASK 0x00 #define UAP_HE_2G_MAC_CAP2_MASK 0x00 #define UAP_HE_2G_MAC_CAP3_MASK IEEE80211_HE_MAC_CAP3_OMI_CONTROL #define UAP_HE_2G_MAC_CAP4_MASK 0x00 #define UAP_HE_2G_MAC_CAP5_MASK 0x00 #define UAP_HE_2G_PHY_CAP0_MASK IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G #define UAP_HE_2G_PHY_CAP1_MASK IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD #define UAP_HE_2G_PHY_CAP2_MASK (IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US | \ IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ | \ IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ | \ IEEE80211_HE_PHY_CAP2_DOPPLER_TX | \ IEEE80211_HE_PHY_CAP2_DOPPLER_RX) #define UAP_HE_2G_PHY_CAP3_MASK (IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK | \ IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1 | \ IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK | \ IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1 | \ IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER) #define UAP_HE_2G_PHY_CAP4_MASK (IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE | \ IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8) #define UAP_HE_2G_PHY_CAP5_MASK IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2 #define UAP_HE_2G_PHY_CAP6_MASK (IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE | \ IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) #define UAP_HE_2G_PHY_CAP7_MASK (IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI | \ IEEE80211_HE_PHY_CAP7_MAX_NC_1) #define UAP_HE_2G_PHY_CAP8_MASK 0x00 #define UAP_HE_2G_PHY_CAP9_MASK IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU #define UAP_HE_2G_PHY_CAP10_MASK 0x00 #define HE_CAP_FIX_SIZE 22 static void nxpwifi_update_11ax_ie(u8 band, struct nxpwifi_11ax_he_cap_cfg *he_cap_cfg) { if (band == BAND_A) { he_cap_cfg->cap_elem.mac_cap_info[0] &= UAP_HE_MAC_CAP0_MASK; he_cap_cfg->cap_elem.mac_cap_info[1] &= UAP_HE_MAC_CAP1_MASK; he_cap_cfg->cap_elem.mac_cap_info[2] &= UAP_HE_MAC_CAP2_MASK; he_cap_cfg->cap_elem.mac_cap_info[3] &= UAP_HE_MAC_CAP3_MASK; he_cap_cfg->cap_elem.mac_cap_info[4] &= UAP_HE_MAC_CAP4_MASK; he_cap_cfg->cap_elem.mac_cap_info[5] &= UAP_HE_MAC_CAP5_MASK; he_cap_cfg->cap_elem.phy_cap_info[0] &= UAP_HE_PHY_CAP0_MASK; he_cap_cfg->cap_elem.phy_cap_info[1] &= UAP_HE_PHY_CAP1_MASK; he_cap_cfg->cap_elem.phy_cap_info[2] &= UAP_HE_PHY_CAP2_MASK; he_cap_cfg->cap_elem.phy_cap_info[3] &= UAP_HE_PHY_CAP3_MASK; he_cap_cfg->cap_elem.phy_cap_info[4] &= UAP_HE_PHY_CAP4_MASK; he_cap_cfg->cap_elem.phy_cap_info[5] &= UAP_HE_PHY_CAP5_MASK; he_cap_cfg->cap_elem.phy_cap_info[6] &= UAP_HE_PHY_CAP6_MASK; he_cap_cfg->cap_elem.phy_cap_info[7] &= UAP_HE_PHY_CAP7_MASK; he_cap_cfg->cap_elem.phy_cap_info[8] &= UAP_HE_PHY_CAP8_MASK; he_cap_cfg->cap_elem.phy_cap_info[9] &= UAP_HE_PHY_CAP9_MASK; he_cap_cfg->cap_elem.phy_cap_info[10] &= UAP_HE_PHY_CAP10_MASK; } else { he_cap_cfg->cap_elem.mac_cap_info[0] &= UAP_HE_2G_MAC_CAP0_MASK; he_cap_cfg->cap_elem.mac_cap_info[1] &= UAP_HE_2G_MAC_CAP1_MASK; he_cap_cfg->cap_elem.mac_cap_info[2] &= UAP_HE_2G_MAC_CAP2_MASK; he_cap_cfg->cap_elem.mac_cap_info[3] &= UAP_HE_2G_MAC_CAP3_MASK; he_cap_cfg->cap_elem.mac_cap_info[4] &= UAP_HE_2G_MAC_CAP4_MASK; he_cap_cfg->cap_elem.mac_cap_info[5] &= UAP_HE_2G_MAC_CAP5_MASK; he_cap_cfg->cap_elem.phy_cap_info[0] &= UAP_HE_2G_PHY_CAP0_MASK; he_cap_cfg->cap_elem.phy_cap_info[1] &= UAP_HE_2G_PHY_CAP1_MASK; he_cap_cfg->cap_elem.phy_cap_info[2] &= UAP_HE_2G_PHY_CAP2_MASK; he_cap_cfg->cap_elem.phy_cap_info[3] &= UAP_HE_2G_PHY_CAP3_MASK; he_cap_cfg->cap_elem.phy_cap_info[4] &= UAP_HE_2G_PHY_CAP4_MASK; he_cap_cfg->cap_elem.phy_cap_info[5] &= UAP_HE_2G_PHY_CAP5_MASK; he_cap_cfg->cap_elem.phy_cap_info[6] &= UAP_HE_2G_PHY_CAP6_MASK; he_cap_cfg->cap_elem.phy_cap_info[7] &= UAP_HE_2G_PHY_CAP7_MASK; he_cap_cfg->cap_elem.phy_cap_info[8] &= UAP_HE_2G_PHY_CAP8_MASK; he_cap_cfg->cap_elem.phy_cap_info[9] &= UAP_HE_2G_PHY_CAP9_MASK; he_cap_cfg->cap_elem.phy_cap_info[10] &= UAP_HE_2G_PHY_CAP10_MASK; } } static void nxpwifi_setup_he_caps(struct nxpwifi_private *priv, struct ieee80211_supported_band *band) { struct nxpwifi_adapter *adapter = priv->adapter; struct ieee80211_sband_iftype_data *iftype_data; struct nxpwifi_11ax_he_cap_cfg he_cap_cfg; u8 hw_he_cap_len; u8 extra_mcs_size; int ppe_threshold_len; if (band->band == NL80211_BAND_5GHZ) { hw_he_cap_len = adapter->hw_he_cap_len; memcpy(&he_cap_cfg, adapter->hw_he_cap, hw_he_cap_len); nxpwifi_update_11ax_ie(BAND_A, &he_cap_cfg); } else { hw_he_cap_len = adapter->hw_2g_he_cap_len; memcpy(&he_cap_cfg, adapter->hw_2g_he_cap, hw_he_cap_len); nxpwifi_update_11ax_ie(BAND_G, &he_cap_cfg); } if (!hw_he_cap_len) return; iftype_data = kmalloc_obj(*iftype_data); if (!iftype_data) return; memset(iftype_data, 0, sizeof(*iftype_data)); iftype_data->types_mask = BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_AP); iftype_data->he_cap.has_he = true; memcpy(iftype_data->he_cap.he_cap_elem.mac_cap_info, he_cap_cfg.cap_elem.mac_cap_info, sizeof(he_cap_cfg.cap_elem.mac_cap_info)); memcpy(iftype_data->he_cap.he_cap_elem.phy_cap_info, he_cap_cfg.cap_elem.phy_cap_info, sizeof(he_cap_cfg.cap_elem.phy_cap_info)); memset(&iftype_data->he_cap.he_mcs_nss_supp, 0xff, sizeof(iftype_data->he_cap.he_mcs_nss_supp)); memcpy(&iftype_data->he_cap.he_mcs_nss_supp, he_cap_cfg.he_txrx_mcs_support, sizeof(he_cap_cfg.he_txrx_mcs_support)); extra_mcs_size = 0; /* Add 160 MHz MCS/NSS if supported */ if (he_cap_cfg.cap_elem.phy_cap_info[0] & BIT(3)) extra_mcs_size += 4; /* Add 80+80 MHz MCS/NSS if supported */ if (he_cap_cfg.cap_elem.phy_cap_info[0] & BIT(4)) extra_mcs_size += 4; if (extra_mcs_size) memcpy((u8 *)&iftype_data->he_cap.he_mcs_nss_supp.rx_mcs_160, he_cap_cfg.val, extra_mcs_size); /* Parse PPE thresholds when present */ ppe_threshold_len = he_cap_cfg.len - HE_CAP_FIX_SIZE - extra_mcs_size; if (he_cap_cfg.cap_elem.phy_cap_info[6] & BIT(7) && ppe_threshold_len) { memcpy(iftype_data->he_cap.ppe_thres, &he_cap_cfg.val[extra_mcs_size], ppe_threshold_len); } else { iftype_data->he_cap.he_cap_elem.phy_cap_info[6] &= BIT(7); } _ieee80211_set_sband_iftype_data(band, iftype_data, 1); } /* create a new virtual interface with the given name and name assign type */ struct wireless_dev *nxpwifi_add_virtual_intf(struct wiphy *wiphy, const char *name, unsigned char name_assign_type, enum nl80211_iftype type, struct vif_params *params) { struct nxpwifi_adapter *adapter = nxpwifi_cfg80211_get_adapter(wiphy); struct nxpwifi_private *priv; struct net_device *dev; void *mdev_priv; int ret; if (!adapter) return ERR_PTR(-EFAULT); switch (type) { case NL80211_IFTYPE_UNSPECIFIED: case NL80211_IFTYPE_STATION: if (adapter->curr_iface_comb.sta_intf == adapter->iface_limit.sta_intf) { nxpwifi_dbg(adapter, ERROR, "cannot create multiple sta ifaces\n"); return ERR_PTR(-EINVAL); } priv = nxpwifi_get_unused_priv_by_bss_type (adapter, NXPWIFI_BSS_TYPE_STA); if (!priv) { nxpwifi_dbg(adapter, ERROR, "could not get free private struct\n"); return ERR_PTR(-EFAULT); } priv->wdev.wiphy = wiphy; priv->wdev.iftype = NL80211_IFTYPE_STATION; if (type == NL80211_IFTYPE_UNSPECIFIED) priv->bss_mode = NL80211_IFTYPE_STATION; else priv->bss_mode = type; priv->bss_type = NXPWIFI_BSS_TYPE_STA; priv->frame_type = NXPWIFI_DATA_FRAME_TYPE_ETH_II; priv->bss_priority = 0; priv->bss_role = NXPWIFI_BSS_ROLE_STA; break; case NL80211_IFTYPE_AP: if (adapter->curr_iface_comb.uap_intf == adapter->iface_limit.uap_intf) { nxpwifi_dbg(adapter, ERROR, "cannot create multiple AP ifaces\n"); return ERR_PTR(-EINVAL); } priv = nxpwifi_get_unused_priv_by_bss_type (adapter, NXPWIFI_BSS_TYPE_UAP); if (!priv) { nxpwifi_dbg(adapter, ERROR, "could not get free private struct\n"); return ERR_PTR(-EFAULT); } priv->wdev.wiphy = wiphy; priv->wdev.iftype = NL80211_IFTYPE_AP; priv->bss_type = NXPWIFI_BSS_TYPE_UAP; priv->frame_type = NXPWIFI_DATA_FRAME_TYPE_ETH_II; priv->bss_priority = 0; priv->bss_role = NXPWIFI_BSS_ROLE_UAP; priv->bss_started = 0; priv->bss_mode = type; break; case NL80211_IFTYPE_MONITOR: priv = nxpwifi_get_unused_priv_by_bss_type (adapter, NXPWIFI_BSS_TYPE_UAP); if (!priv) { nxpwifi_dbg(adapter, ERROR, "could not get free private struct\n"); return ERR_PTR(-EFAULT); } priv->wdev.wiphy = wiphy; priv->wdev.iftype = NL80211_IFTYPE_MONITOR; priv->bss_type = NXPWIFI_BSS_TYPE_UAP; priv->frame_type = NXPWIFI_DATA_FRAME_TYPE_ETH_II; priv->bss_priority = 0; priv->bss_started = 0; priv->bss_mode = type; break; default: nxpwifi_dbg(adapter, ERROR, "type not supported\n"); return ERR_PTR(-EINVAL); } dev = alloc_netdev_mqs(sizeof(struct nxpwifi_private *), name, name_assign_type, ether_setup, IEEE80211_NUM_ACS, 1); if (!dev) { nxpwifi_dbg(adapter, ERROR, "no memory available for netdevice\n"); ret = -ENOMEM; goto err_alloc_netdev; } nxpwifi_init_priv_params(priv, dev); priv->netdev = dev; nxpwifi_set_mac_address(priv, dev, false, NULL); if (type != NL80211_IFTYPE_MONITOR) { ret = nxpwifi_set_bss_mode(priv); if (ret) { nxpwifi_dbg(adapter, ERROR, "%s: err_set_bss_mode\n", __func__); goto err_set_bss_mode; } } ret = nxpwifi_sta_init_cmd(priv, false, false); if (ret) goto err_sta_init; dev_net_set(dev, wiphy_net(wiphy)); dev->ieee80211_ptr = &priv->wdev; dev->ieee80211_ptr->iftype = priv->bss_mode; SET_NETDEV_DEV(dev, wiphy_dev(wiphy)); dev->flags |= IFF_BROADCAST | IFF_MULTICAST; dev->watchdog_timeo = NXPWIFI_DEFAULT_WATCHDOG_TIMEOUT; dev->needed_headroom = NXPWIFI_MIN_DATA_HEADER_LEN; dev->ethtool_ops = &nxpwifi_ethtool_ops; mdev_priv = netdev_priv(dev); *((unsigned long *)mdev_priv) = (unsigned long)priv; if (type == NL80211_IFTYPE_MONITOR) dev->type = ARPHRD_IEEE80211_RADIOTAP; SET_NETDEV_DEV(dev, adapter->dev); wiphy_work_init(&priv->reset_conn_state_work, nxpwifi_reset_conn_state_work); wiphy_delayed_work_init(&priv->dfs_cac_work, nxpwifi_dfs_cac_work); wiphy_delayed_work_init(&priv->dfs_chan_sw_work, nxpwifi_dfs_chan_sw_work); /* Register network device */ if (cfg80211_register_netdevice(dev)) { nxpwifi_dbg(adapter, ERROR, "cannot register network device\n"); ret = -EFAULT; goto err_reg_netdev; } nxpwifi_dbg(adapter, INFO, "info: %s: NXP 802.11 Adapter\n", dev->name); #ifdef CONFIG_DEBUG_FS nxpwifi_dev_debugfs_init(priv); #endif update_vif_type_counter(adapter, type, 1); return &priv->wdev; err_reg_netdev: free_netdev(dev); priv->netdev = NULL; err_sta_init: err_set_bss_mode: err_alloc_netdev: memset(&priv->wdev, 0, sizeof(priv->wdev)); priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; return ERR_PTR(ret); } EXPORT_SYMBOL_GPL(nxpwifi_add_virtual_intf); /* del_virtual_intf: remove the virtual interface determined by dev */ int nxpwifi_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev) { struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(wdev->netdev); struct nxpwifi_adapter *adapter = priv->adapter; struct sk_buff *skb, *tmp; #ifdef CONFIG_DEBUG_FS nxpwifi_dev_debugfs_remove(priv); #endif if (priv->bss_mode == NL80211_IFTYPE_MONITOR) { struct nxpwifi_802_11_net_monitor netmon_cfg; memset(&netmon_cfg, 0, sizeof(struct nxpwifi_802_11_net_monitor)); nxpwifi_config_monitor_mode(priv, &netmon_cfg); } if (priv->sched_scanning) priv->sched_scanning = false; nxpwifi_stop_net_dev_queue(priv->netdev, adapter); skb_queue_walk_safe(&priv->bypass_txq, skb, tmp) { skb_unlink(skb, &priv->bypass_txq); nxpwifi_write_data_complete(priv->adapter, skb, 0, -1); } netif_carrier_off(priv->netdev); if (wdev->netdev->reg_state == NETREG_REGISTERED) cfg80211_unregister_netdevice(wdev->netdev); /* Clear the priv in adapter */ priv->netdev = NULL; update_vif_type_counter(adapter, priv->bss_mode, -1); priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; if (GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_STA || GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_UAP) kfree(priv->hist_data); return 0; } EXPORT_SYMBOL_GPL(nxpwifi_del_virtual_intf); static bool nxpwifi_is_pattern_supported(struct cfg80211_pkt_pattern *pat, s8 *byte_seq, u8 max_byte_seq) { int j, k, valid_byte_cnt = 0; bool dont_care_byte = false; for (j = 0; j < DIV_ROUND_UP(pat->pattern_len, 8); j++) { for (k = 0; k < 8; k++) { if (pat->mask[j] & 1 << k) { memcpy(byte_seq + valid_byte_cnt, &pat->pattern[j * 8 + k], 1); valid_byte_cnt++; if (dont_care_byte) return false; } else { if (valid_byte_cnt) dont_care_byte = true; } /* wildcard bytes record as the offset before the valid byte */ if (!valid_byte_cnt && !dont_care_byte) pat->pkt_offset++; if (valid_byte_cnt > max_byte_seq) return false; } } byte_seq[max_byte_seq] = valid_byte_cnt; return true; } #ifdef CONFIG_PM static void nxpwifi_set_auto_arp_mef_entry(struct nxpwifi_private *priv, struct nxpwifi_mef_entry *mef_entry) { int i, filt_num = 0, num_ipv4 = 0; struct in_device *in_dev; struct in_ifaddr *ifa; __be32 ips[NXPWIFI_MAX_SUPPORTED_IPADDR]; struct nxpwifi_adapter *adapter = priv->adapter; mef_entry->mode = MEF_MODE_HOST_SLEEP; mef_entry->action = MEF_ACTION_AUTO_ARP; /* Enable ARP offload feature */ memset(ips, 0, sizeof(ips)); for (i = 0; i < adapter->priv_num; i++) { if (adapter->priv[i]->netdev) { in_dev = __in_dev_get_rtnl(adapter->priv[i]->netdev); if (!in_dev) continue; ifa = rtnl_dereference(in_dev->ifa_list); if (!ifa || !ifa->ifa_local) continue; ips[i] = ifa->ifa_local; num_ipv4++; } } for (i = 0; i < num_ipv4; i++) { if (!ips[i]) continue; mef_entry->filter[filt_num].repeat = 1; memcpy(mef_entry->filter[filt_num].byte_seq, (u8 *)&ips[i], sizeof(ips[i])); mef_entry->filter[filt_num].byte_seq[NXPWIFI_MEF_MAX_BYTESEQ] = sizeof(ips[i]); mef_entry->filter[filt_num].offset = 46; mef_entry->filter[filt_num].filt_type = TYPE_EQ; if (filt_num) { mef_entry->filter[filt_num].filt_action = TYPE_OR; } filt_num++; } mef_entry->filter[filt_num].repeat = 1; mef_entry->filter[filt_num].byte_seq[0] = 0x08; mef_entry->filter[filt_num].byte_seq[1] = 0x06; mef_entry->filter[filt_num].byte_seq[NXPWIFI_MEF_MAX_BYTESEQ] = 2; mef_entry->filter[filt_num].offset = 20; mef_entry->filter[filt_num].filt_type = TYPE_EQ; mef_entry->filter[filt_num].filt_action = TYPE_AND; } static int nxpwifi_set_wowlan_mef_entry(struct nxpwifi_private *priv, struct nxpwifi_ds_mef_cfg *mef_cfg, struct nxpwifi_mef_entry *mef_entry, struct cfg80211_wowlan *wowlan) { int i, filt_num = 0, ret = 0; bool first_pat = true; u8 byte_seq[NXPWIFI_MEF_MAX_BYTESEQ + 1]; mef_entry->mode = MEF_MODE_HOST_SLEEP; mef_entry->action = MEF_ACTION_ALLOW_AND_WAKEUP_HOST; for (i = 0; i < wowlan->n_patterns; i++) { memset(byte_seq, 0, sizeof(byte_seq)); if (!nxpwifi_is_pattern_supported (&wowlan->patterns[i], byte_seq, NXPWIFI_MEF_MAX_BYTESEQ)) { nxpwifi_dbg(priv->adapter, ERROR, "Pattern not supported\n"); return -EOPNOTSUPP; } if (!wowlan->patterns[i].pkt_offset) { if (is_unicast_ether_addr(byte_seq) && byte_seq[NXPWIFI_MEF_MAX_BYTESEQ] == 1) { mef_cfg->criteria |= NXPWIFI_CRITERIA_UNICAST; continue; } else if (is_broadcast_ether_addr(byte_seq)) { mef_cfg->criteria |= NXPWIFI_CRITERIA_BROADCAST; continue; } else if ((!memcmp(byte_seq, "\x33\x33", 2) && (byte_seq[NXPWIFI_MEF_MAX_BYTESEQ] == 2)) || (!memcmp(byte_seq, "\x01\x00\x5e", 3) && (byte_seq[NXPWIFI_MEF_MAX_BYTESEQ] == 3))) { mef_cfg->criteria |= NXPWIFI_CRITERIA_MULTICAST; continue; } } mef_entry->filter[filt_num].repeat = 1; mef_entry->filter[filt_num].offset = wowlan->patterns[i].pkt_offset; memcpy(mef_entry->filter[filt_num].byte_seq, byte_seq, sizeof(byte_seq)); mef_entry->filter[filt_num].filt_type = TYPE_EQ; if (first_pat) { first_pat = false; nxpwifi_dbg(priv->adapter, INFO, "Wake on patterns\n"); } else { mef_entry->filter[filt_num].filt_action = TYPE_AND; } filt_num++; } if (wowlan->magic_pkt) { mef_cfg->criteria |= NXPWIFI_CRITERIA_UNICAST; mef_entry->filter[filt_num].repeat = 16; memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr, ETH_ALEN); mef_entry->filter[filt_num].byte_seq[NXPWIFI_MEF_MAX_BYTESEQ] = ETH_ALEN; mef_entry->filter[filt_num].offset = 28; mef_entry->filter[filt_num].filt_type = TYPE_EQ; if (filt_num) mef_entry->filter[filt_num].filt_action = TYPE_OR; filt_num++; mef_entry->filter[filt_num].repeat = 16; memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr, ETH_ALEN); mef_entry->filter[filt_num].byte_seq[NXPWIFI_MEF_MAX_BYTESEQ] = ETH_ALEN; mef_entry->filter[filt_num].offset = 56; mef_entry->filter[filt_num].filt_type = TYPE_EQ; mef_entry->filter[filt_num].filt_action = TYPE_OR; nxpwifi_dbg(priv->adapter, INFO, "Wake on magic packet\n"); } return ret; } static int nxpwifi_set_mef_filter(struct nxpwifi_private *priv, struct cfg80211_wowlan *wowlan) { int ret = 0, num_entries = 1; struct nxpwifi_ds_mef_cfg mef_cfg; struct nxpwifi_mef_entry *mef_entry; if (wowlan->n_patterns || wowlan->magic_pkt) num_entries++; mef_entry = kzalloc_objs(*mef_entry, num_entries); if (!mef_entry) return -ENOMEM; memset(&mef_cfg, 0, sizeof(mef_cfg)); mef_cfg.criteria |= NXPWIFI_CRITERIA_BROADCAST | NXPWIFI_CRITERIA_UNICAST; mef_cfg.num_entries = num_entries; mef_cfg.mef_entry = mef_entry; nxpwifi_set_auto_arp_mef_entry(priv, &mef_entry[0]); if (wowlan->n_patterns || wowlan->magic_pkt) { ret = nxpwifi_set_wowlan_mef_entry(priv, &mef_cfg, &mef_entry[1], wowlan); if (ret) goto done; } if (!mef_cfg.criteria) mef_cfg.criteria = NXPWIFI_CRITERIA_BROADCAST | NXPWIFI_CRITERIA_UNICAST | NXPWIFI_CRITERIA_MULTICAST; ret = nxpwifi_mef_cfg(priv, &mef_cfg); done: kfree(mef_entry); return ret; } static int nxpwifi_cfg80211_suspend(struct wiphy *wiphy, struct cfg80211_wowlan *wowlan) { struct nxpwifi_adapter *adapter = nxpwifi_cfg80211_get_adapter(wiphy); struct nxpwifi_ds_hs_cfg hs_cfg; int i, ret = 0, retry_num = 10; struct nxpwifi_private *priv; struct nxpwifi_private *sta_priv = nxpwifi_get_priv(adapter, NXPWIFI_BSS_ROLE_STA); adapter->wowlan_enabled = false; sta_priv->scan_aborting = true; for (i = 0; i < adapter->priv_num; i++) { priv = adapter->priv[i]; nxpwifi_abort_cac(priv); } nxpwifi_cancel_all_pending_cmd(adapter); for (i = 0; i < adapter->priv_num; i++) { priv = adapter->priv[i]; if (priv->netdev) netif_device_detach(priv->netdev); } for (i = 0; i < retry_num; i++) { if (!nxpwifi_wmm_lists_empty(adapter) || !nxpwifi_bypass_txlist_empty(adapter) || !skb_queue_empty(&adapter->tx_data_q)) usleep_range(10000, 15000); else break; } if (!wowlan) { nxpwifi_dbg(adapter, INFO, "None of the WOWLAN triggers enabled\n"); ret = 0; goto done; } if (!sta_priv->media_connected && !wowlan->nd_config) { nxpwifi_dbg(adapter, ERROR, "Can not configure WOWLAN in disconnected state\n"); ret = 0; goto done; } ret = nxpwifi_set_mef_filter(sta_priv, wowlan); if (ret) { nxpwifi_dbg(adapter, ERROR, "Failed to set MEF filter\n"); goto done; } memset(&hs_cfg, 0, sizeof(hs_cfg)); hs_cfg.conditions = le32_to_cpu(adapter->hs_cfg.conditions); if (wowlan->nd_config) { nxpwifi_dbg(adapter, INFO, "Wake on net detect\n"); hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT; nxpwifi_cfg80211_sched_scan_start(wiphy, sta_priv->netdev, wowlan->nd_config); } if (wowlan->disconnect) { hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT; nxpwifi_dbg(sta_priv->adapter, INFO, "Wake on device disconnect\n"); } hs_cfg.is_invoke_hostcmd = false; hs_cfg.gpio = adapter->hs_cfg.gpio; hs_cfg.gap = adapter->hs_cfg.gap; ret = nxpwifi_set_hs_params(sta_priv, HOST_ACT_GEN_SET, NXPWIFI_SYNC_CMD, &hs_cfg); if (ret) nxpwifi_dbg(adapter, ERROR, "Failed to set HS params\n"); adapter->wowlan_enabled = true; done: sta_priv->scan_aborting = false; return ret; } static int nxpwifi_cfg80211_resume(struct wiphy *wiphy) { struct nxpwifi_adapter *adapter = nxpwifi_cfg80211_get_adapter(wiphy); struct nxpwifi_private *priv; struct nxpwifi_ds_wakeup_reason wakeup_reason; struct cfg80211_wowlan_wakeup wakeup_report; int i; bool report_wakeup_reason = true; for (i = 0; i < adapter->priv_num; i++) { priv = adapter->priv[i]; if (priv->netdev) netif_device_attach(priv->netdev); } if (!wiphy->wowlan_config) goto done; priv = nxpwifi_get_priv(adapter, NXPWIFI_BSS_ROLE_STA); nxpwifi_get_wakeup_reason(priv, HOST_ACT_GEN_GET, NXPWIFI_SYNC_CMD, &wakeup_reason); memset(&wakeup_report, 0, sizeof(struct cfg80211_wowlan_wakeup)); wakeup_report.pattern_idx = -1; switch (wakeup_reason.hs_wakeup_reason) { case NO_HSWAKEUP_REASON: break; case BCAST_DATA_MATCHED: break; case MCAST_DATA_MATCHED: break; case UCAST_DATA_MATCHED: break; case MASKTABLE_EVENT_MATCHED: break; case NON_MASKABLE_EVENT_MATCHED: if (wiphy->wowlan_config->disconnect) wakeup_report.disconnect = true; if (wiphy->wowlan_config->nd_config) wakeup_report.net_detect = adapter->nd_info; break; case NON_MASKABLE_CONDITION_MATCHED: break; case MAGIC_PATTERN_MATCHED: if (wiphy->wowlan_config->magic_pkt) wakeup_report.magic_pkt = true; if (wiphy->wowlan_config->n_patterns) wakeup_report.pattern_idx = 1; break; case GTK_REKEY_FAILURE: if (wiphy->wowlan_config->gtk_rekey_failure) wakeup_report.gtk_rekey_failure = true; break; default: report_wakeup_reason = false; break; } if (report_wakeup_reason) cfg80211_report_wowlan_wakeup(&priv->wdev, &wakeup_report, GFP_KERNEL); done: if (adapter->nd_info) { for (i = 0 ; i < adapter->nd_info->n_matches ; i++) kfree(adapter->nd_info->matches[i]); kfree(adapter->nd_info); adapter->nd_info = NULL; } return 0; } static void nxpwifi_cfg80211_set_wakeup(struct wiphy *wiphy, bool enabled) { struct nxpwifi_adapter *adapter = nxpwifi_cfg80211_get_adapter(wiphy); device_set_wakeup_enable(adapter->dev, enabled); } #endif static int nxpwifi_get_coalesce_pkt_type(u8 *byte_seq) { if ((byte_seq[0] & 0x01) && byte_seq[NXPWIFI_COALESCE_MAX_BYTESEQ] == 1) return PACKET_TYPE_UNICAST; else if (is_broadcast_ether_addr(byte_seq)) return PACKET_TYPE_BROADCAST; else if ((!memcmp(byte_seq, "\x33\x33", 2) && byte_seq[NXPWIFI_COALESCE_MAX_BYTESEQ] == 2) || (!memcmp(byte_seq, "\x01\x00\x5e", 3) && byte_seq[NXPWIFI_COALESCE_MAX_BYTESEQ] == 3)) return PACKET_TYPE_MULTICAST; return 0; } static int nxpwifi_fill_coalesce_rule_info(struct nxpwifi_private *priv, struct cfg80211_coalesce_rules *crule, struct nxpwifi_coalesce_rule *mrule) { u8 byte_seq[NXPWIFI_COALESCE_MAX_BYTESEQ + 1]; struct filt_field_param *param; int i; mrule->max_coalescing_delay = crule->delay; param = mrule->params; for (i = 0; i < crule->n_patterns; i++) { memset(byte_seq, 0, sizeof(byte_seq)); if (!nxpwifi_is_pattern_supported(&crule->patterns[i], byte_seq, NXPWIFI_COALESCE_MAX_BYTESEQ)) { nxpwifi_dbg(priv->adapter, ERROR, "Pattern not supported\n"); return -EOPNOTSUPP; } if (!crule->patterns[i].pkt_offset) { u8 pkt_type; pkt_type = nxpwifi_get_coalesce_pkt_type(byte_seq); if (pkt_type && mrule->pkt_type) { nxpwifi_dbg(priv->adapter, ERROR, "Multiple packet types not allowed\n"); return -EOPNOTSUPP; } else if (pkt_type) { mrule->pkt_type = pkt_type; continue; } } if (crule->condition == NL80211_COALESCE_CONDITION_MATCH) param->operation = RECV_FILTER_MATCH_TYPE_EQ; else param->operation = RECV_FILTER_MATCH_TYPE_NE; param->operand_len = byte_seq[NXPWIFI_COALESCE_MAX_BYTESEQ]; memcpy(param->operand_byte_stream, byte_seq, param->operand_len); param->offset = crule->patterns[i].pkt_offset; param++; mrule->num_of_fields++; } if (!mrule->pkt_type) { nxpwifi_dbg(priv->adapter, ERROR, "Packet type can not be determined\n"); return -EOPNOTSUPP; } return 0; } static int nxpwifi_cfg80211_set_coalesce(struct wiphy *wiphy, struct cfg80211_coalesce *coalesce) { struct nxpwifi_adapter *adapter = nxpwifi_cfg80211_get_adapter(wiphy); int i, ret; struct nxpwifi_ds_coalesce_cfg coalesce_cfg; struct nxpwifi_private *priv = nxpwifi_get_priv(adapter, NXPWIFI_BSS_ROLE_STA); memset(&coalesce_cfg, 0, sizeof(coalesce_cfg)); if (!coalesce) return nxpwifi_coalesce_cfg(priv, &coalesce_cfg); coalesce_cfg.num_of_rules = coalesce->n_rules; for (i = 0; i < coalesce->n_rules; i++) { ret = nxpwifi_fill_coalesce_rule_info(priv, &coalesce->rules[i], &coalesce_cfg.rule[i]); if (ret) { nxpwifi_dbg(adapter, ERROR, "Recheck the patterns provided for rule %d\n", i + 1); return ret; } } return nxpwifi_coalesce_cfg(priv, &coalesce_cfg); } static int nxpwifi_cfg80211_uap_add_station(struct nxpwifi_private *priv, const u8 *mac, struct station_parameters *params) { struct nxpwifi_sta_info add_sta; int ret; memcpy(add_sta.peer_mac, mac, ETH_ALEN); add_sta.params = params; ret = nxpwifi_add_new_station(priv, &add_sta); return ret; } static int nxpwifi_cfg80211_add_station(struct wiphy *wiphy, struct wireless_dev *wdev, const u8 *mac, struct station_parameters *params) { struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(wdev->netdev); int ret = -EOPNOTSUPP; if (GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_UAP) ret = nxpwifi_cfg80211_uap_add_station(priv, mac, params); return ret; } static int nxpwifi_cfg80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_csa_settings *params) { struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); int chsw_msec; int ret; if (priv->adapter->scan_processing) { nxpwifi_dbg(priv->adapter, ERROR, "radar detection: scan in process...\n"); return -EBUSY; } if (priv->wdev.links[0].cac_started) return -EBUSY; if (cfg80211_chandef_identical(¶ms->chandef, &priv->dfs_chandef)) return -EINVAL; if (params->block_tx) { netif_carrier_off(priv->netdev); nxpwifi_stop_net_dev_queue(priv->netdev, priv->adapter); priv->uap_stop_tx = true; } ret = nxpwifi_del_mgmt_ies(priv); if (ret) nxpwifi_dbg(priv->adapter, ERROR, "Failed to delete mgmt IEs!\n"); ret = nxpwifi_set_mgmt_ies(priv, ¶ms->beacon_csa); if (ret) { nxpwifi_dbg(priv->adapter, ERROR, "%s: setting mgmt ies failed\n", __func__); goto done; } memcpy(&priv->dfs_chandef, ¶ms->chandef, sizeof(priv->dfs_chandef)); memcpy(&priv->ap_update_info.beacon, ¶ms->beacon_after, sizeof(priv->ap_update_info.beacon)); chsw_msec = max(params->count * priv->bss_cfg.beacon_period, 100); nxpwifi_queue_delayed_wiphy_work(priv->adapter, &priv->dfs_chan_sw_work, msecs_to_jiffies(chsw_msec)); done: return ret; } static int nxpwifi_cfg80211_get_channel(struct wiphy *wiphy, struct wireless_dev *wdev, unsigned int link_id, struct cfg80211_chan_def *chandef) { struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(wdev->netdev); struct nxpwifi_bssdescriptor *curr_bss; struct ieee80211_channel *chan; enum nl80211_channel_type chan_type; enum nl80211_band band; int freq; int ret = -ENODATA; if (GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_UAP && cfg80211_chandef_valid(&priv->bss_chandef)) { *chandef = priv->bss_chandef; ret = 0; } else if (priv->media_connected) { curr_bss = &priv->curr_bss_params.bss_descriptor; band = nxpwifi_band_to_radio_type(priv->curr_bss_params.band); freq = ieee80211_channel_to_frequency(curr_bss->channel, band); chan = ieee80211_get_channel(wiphy, freq); if (priv->ht_param_present) { chan_type = nxpwifi_get_chan_type(priv); cfg80211_chandef_create(chandef, chan, chan_type); } else { cfg80211_chandef_create(chandef, chan, NL80211_CHAN_NO_HT); } ret = 0; } return ret; } #ifdef CONFIG_NL80211_TESTMODE enum nxpwifi_tm_attr { __NXPWIFI_TM_ATTR_INVALID = 0, NXPWIFI_TM_ATTR_CMD = 1, NXPWIFI_TM_ATTR_DATA = 2, /* keep last */ __NXPWIFI_TM_ATTR_AFTER_LAST, NXPWIFI_TM_ATTR_MAX = __NXPWIFI_TM_ATTR_AFTER_LAST - 1, }; static const struct nla_policy nxpwifi_tm_policy[NXPWIFI_TM_ATTR_MAX + 1] = { [NXPWIFI_TM_ATTR_CMD] = { .type = NLA_U32 }, [NXPWIFI_TM_ATTR_DATA] = { .type = NLA_BINARY, .len = NXPWIFI_SIZE_OF_CMD_BUFFER }, }; enum nxpwifi_tm_command { NXPWIFI_TM_CMD_HOSTCMD = 0, }; static int nxpwifi_tm_cmd(struct wiphy *wiphy, struct wireless_dev *wdev, void *data, int len) { struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(wdev->netdev); struct nxpwifi_ds_misc_cmd *hostcmd; struct nlattr *tb[NXPWIFI_TM_ATTR_MAX + 1]; struct sk_buff *skb; int err; if (!priv) return -EINVAL; err = nla_parse_deprecated(tb, NXPWIFI_TM_ATTR_MAX, data, len, nxpwifi_tm_policy, NULL); if (err) return err; if (!tb[NXPWIFI_TM_ATTR_CMD]) return -EINVAL; switch (nla_get_u32(tb[NXPWIFI_TM_ATTR_CMD])) { case NXPWIFI_TM_CMD_HOSTCMD: if (!tb[NXPWIFI_TM_ATTR_DATA]) return -EINVAL; hostcmd = kzalloc_obj(*hostcmd); if (!hostcmd) return -ENOMEM; hostcmd->len = nla_len(tb[NXPWIFI_TM_ATTR_DATA]); memcpy(hostcmd->cmd, nla_data(tb[NXPWIFI_TM_ATTR_DATA]), hostcmd->len); if (nxpwifi_hostcmd(priv, hostcmd)) { nxpwifi_dbg(priv->adapter, ERROR, "Failed to process hostcmd\n"); kfree(hostcmd); return -EFAULT; } /* process hostcmd response*/ skb = cfg80211_testmode_alloc_reply_skb(wiphy, hostcmd->len); if (!skb) { kfree(hostcmd); return -ENOMEM; } err = nla_put(skb, NXPWIFI_TM_ATTR_DATA, hostcmd->len, hostcmd->cmd); if (err) { kfree(hostcmd); kfree_skb(skb); return -EMSGSIZE; } err = cfg80211_testmode_reply(skb); kfree(hostcmd); return err; default: return -EOPNOTSUPP; } } #endif static int nxpwifi_cfg80211_start_radar_detection(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_chan_def *chandef, u32 cac_time_ms, int link_id) { struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); struct nxpwifi_radar_params radar_params; int ret; if (priv->adapter->scan_processing) { nxpwifi_dbg(priv->adapter, ERROR, "radar detection: scan already in process...\n"); return -EBUSY; } if (!nxpwifi_is_11h_active(priv)) { nxpwifi_dbg(priv->adapter, INFO, "Enable 11h extensions in FW\n"); if (nxpwifi_11h_activate(priv, true)) { nxpwifi_dbg(priv->adapter, ERROR, "Failed to activate 11h extensions!!"); return -EPERM; } priv->state_11h.is_11h_active = true; } memset(&radar_params, 0, sizeof(struct nxpwifi_radar_params)); radar_params.chandef = chandef; radar_params.cac_time_ms = cac_time_ms; memcpy(&priv->dfs_chandef, chandef, sizeof(priv->dfs_chandef)); ret = nxpwifi_chan_report_request(priv, &radar_params); if (!ret) nxpwifi_queue_delayed_wiphy_work(priv->adapter, &priv->dfs_cac_work, msecs_to_jiffies(cac_time_ms)); return ret; } static int nxpwifi_cfg80211_change_station(struct wiphy *wiphy, struct wireless_dev *wdev, const u8 *mac, struct station_parameters *params) { return 0; } static int nxpwifi_cfg80211_authenticate(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_auth_request *req) { struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); struct nxpwifi_adapter *adapter = priv->adapter; struct sk_buff *skb; u16 pkt_len, auth_alg; int ret; struct ieee80211_mgmt *mgmt; struct nxpwifi_txinfo *tx_info; u8 trans = 1, status_code = 0; u8 *varptr = NULL; if (GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_UAP) { nxpwifi_dbg(adapter, ERROR, "Interface role is AP\n"); return -EINVAL; } if (priv->wdev.iftype != NL80211_IFTYPE_STATION) { nxpwifi_dbg(adapter, ERROR, "Interface type is not correct (type %d)\n", priv->wdev.iftype); return -EINVAL; } if (!nxpwifi_is_channel_setting_allowable(priv, req->bss->channel)) return -EOPNOTSUPP; if (priv->auth_alg != WLAN_AUTH_SAE && (priv->auth_flag & HOST_MLME_AUTH_PENDING)) { nxpwifi_dbg(adapter, ERROR, "Pending auth on going\n"); return -EBUSY; } if (!priv->host_mlme_reg) { priv->host_mlme_reg = true; priv->mgmt_frame_mask |= HOST_MLME_MGMT_MASK; nxpwifi_mgmt_frame_reg(priv, priv->mgmt_frame_mask); } switch (req->auth_type) { case NL80211_AUTHTYPE_OPEN_SYSTEM: auth_alg = WLAN_AUTH_OPEN; break; case NL80211_AUTHTYPE_SHARED_KEY: auth_alg = WLAN_AUTH_SHARED_KEY; break; case NL80211_AUTHTYPE_FT: auth_alg = WLAN_AUTH_FT; break; case NL80211_AUTHTYPE_NETWORK_EAP: auth_alg = WLAN_AUTH_LEAP; break; case NL80211_AUTHTYPE_SAE: auth_alg = WLAN_AUTH_SAE; break; default: nxpwifi_dbg(adapter, ERROR, "unsupported auth type=%d\n", req->auth_type); return -EOPNOTSUPP; } if (!(priv->auth_flag & HOST_MLME_AUTH_PENDING)) { ret = nxpwifi_remain_on_chan_cfg(priv, HOST_ACT_GEN_SET, req->bss->channel, AUTH_TX_DEFAULT_WAIT_TIME); if (!ret) { priv->roc_cfg.cookie = nxpwifi_roc_cookie(adapter); priv->roc_cfg.chan = *req->bss->channel; } else { return -EPERM; } } priv->sec_info.authentication_mode = auth_alg; nxpwifi_cancel_scan(adapter); pkt_len = (u16)req->ie_len + req->auth_data_len + NXPWIFI_MGMT_HEADER_LEN + NXPWIFI_AUTH_BODY_LEN; if (req->auth_data_len >= 4) pkt_len -= 4; mgmt = kzalloc(pkt_len, GFP_KERNEL); skb = dev_alloc_skb(NXPWIFI_MIN_DATA_HEADER_LEN + NXPWIFI_MGMT_FRAME_HEADER_SIZE + pkt_len + sizeof(pkt_len)); if (!skb) { nxpwifi_dbg(adapter, ERROR, "allocate skb failed for management frame\n"); return -ENOMEM; } tx_info = NXPWIFI_SKB_TXCB(skb); memset(tx_info, 0, sizeof(*tx_info)); tx_info->bss_num = priv->bss_num; tx_info->bss_type = priv->bss_type; tx_info->pkt_len = pkt_len; memcpy(mgmt->da, req->bss->bssid, ETH_ALEN); memcpy(mgmt->sa, priv->curr_addr, ETH_ALEN); memcpy(mgmt->bssid, req->bss->bssid, ETH_ALEN); mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH); if (req->auth_data_len >= 4) { if (req->auth_type == NL80211_AUTHTYPE_SAE) { __le16 *pos = (__le16 *)req->auth_data; trans = le16_to_cpu(pos[0]); status_code = le16_to_cpu(pos[1]); } memcpy((u8 *)(&mgmt->u.auth.variable), req->auth_data + 4, req->auth_data_len - 4); varptr = (u8 *)&mgmt->u.auth.variable + (req->auth_data_len - 4); } mgmt->u.auth.auth_alg = cpu_to_le16(auth_alg); mgmt->u.auth.auth_transaction = cpu_to_le16(trans); mgmt->u.auth.status_code = cpu_to_le16(status_code); if (req->ie && req->ie_len) { if (!varptr) varptr = (u8 *)&mgmt->u.auth.variable; memcpy((u8 *)varptr, req->ie, req->ie_len); } nxpwifi_form_mgmt_frame(skb, (const u8 *)mgmt, pkt_len); kfree(mgmt); priv->auth_flag = HOST_MLME_AUTH_PENDING; priv->auth_alg = auth_alg; skb->priority = WMM_HIGHEST_PRIORITY; __net_timestamp(skb); nxpwifi_dbg(adapter, MSG, "auth: send authentication to %pM\n", req->bss->bssid); nxpwifi_queue_tx_pkt(priv, skb); return 0; } static int nxpwifi_cfg80211_associate(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_assoc_request *req) { struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); struct nxpwifi_adapter *adapter = priv->adapter; int ret; struct cfg80211_ssid req_ssid; const u8 *ssid_ie; if (GET_BSS_ROLE(priv) != NXPWIFI_BSS_ROLE_STA) { nxpwifi_dbg(adapter, ERROR, "%s: reject infra assoc request in non-STA role\n", dev->name); return -EINVAL; } if (test_bit(NXPWIFI_SURPRISE_REMOVED, &adapter->work_flags) || test_bit(NXPWIFI_IS_CMD_TIMEDOUT, &adapter->work_flags)) { nxpwifi_dbg(adapter, ERROR, "%s: Ignore association.\t" "Card removed or FW in bad state\n", dev->name); return -EPERM; } if (priv->auth_alg == WLAN_AUTH_SAE) priv->auth_flag = HOST_MLME_AUTH_DONE; if (priv->auth_flag && !(priv->auth_flag & HOST_MLME_AUTH_DONE)) return -EBUSY; if (priv->roc_cfg.cookie) { ret = nxpwifi_remain_on_chan_cfg(priv, HOST_ACT_GEN_REMOVE, &priv->roc_cfg.chan, 0); if (!ret) memset(&priv->roc_cfg, 0, sizeof(struct nxpwifi_roc_cfg)); else return ret; } if (!nxpwifi_stop_bg_scan(priv)) cfg80211_sched_scan_stopped_locked(priv->wdev.wiphy, 0); memset(&req_ssid, 0, sizeof(struct cfg80211_ssid)); rcu_read_lock(); ssid_ie = ieee80211_bss_get_ie(req->bss, WLAN_EID_SSID); if (!ssid_ie) goto ssid_err; req_ssid.ssid_len = ssid_ie[1]; if (req_ssid.ssid_len > IEEE80211_MAX_SSID_LEN) { nxpwifi_dbg(adapter, ERROR, "invalid SSID - aborting\n"); goto ssid_err; } memcpy(req_ssid.ssid, ssid_ie + 2, req_ssid.ssid_len); if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) { nxpwifi_dbg(adapter, ERROR, "invalid SSID - aborting\n"); goto ssid_err; } rcu_read_unlock(); /* * As this is new association, clear locally stored * keys and security related flags */ priv->sec_info.wpa_enabled = false; priv->sec_info.wpa2_enabled = false; priv->wep_key_curr_index = 0; priv->sec_info.encryption_mode = 0; priv->sec_info.is_authtype_auto = 0; ret = nxpwifi_set_encode(priv, NULL, NULL, 0, 0, NULL, 1); if (req->crypto.n_ciphers_pairwise) priv->sec_info.encryption_mode = req->crypto.ciphers_pairwise[0]; if (req->crypto.cipher_group) priv->sec_info.encryption_mode = req->crypto.cipher_group; if (req->ie) ret = nxpwifi_set_gen_ie(priv, req->ie, req->ie_len); memcpy(priv->cfg_bssid, req->bss->bssid, ETH_ALEN); nxpwifi_dbg(adapter, MSG, "assoc: send association to %pM\n", req->bss->bssid); cfg80211_ref_bss(adapter->wiphy, req->bss); ret = nxpwifi_bss_start(priv, req->bss, &req_ssid); if (ret) { priv->auth_flag = 0; priv->auth_alg = WLAN_AUTH_NONE; eth_zero_addr(priv->cfg_bssid); } if (ret >= 0) { if (priv->assoc_rsp_size) { priv->req_bss = req->bss; adapter->assoc_resp_received = true; nxpwifi_queue_wiphy_work(adapter, &adapter->host_mlme_work); } ret = 0; } cfg80211_put_bss(priv->adapter->wiphy, req->bss); return ret; ssid_err: rcu_read_unlock(); return -EINVAL; } static int nxpwifi_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev, u16 reason_code) { struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); int ret; if (!nxpwifi_stop_bg_scan(priv)) cfg80211_sched_scan_stopped_locked(priv->wdev.wiphy, 0); ret = nxpwifi_deauthenticate(priv, NULL); if (!ret) { eth_zero_addr(priv->cfg_bssid); priv->hs2_enabled = false; } return ret; } static int nxpwifi_cfg80211_deauthenticate(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_deauth_request *req) { return nxpwifi_cfg80211_disconnect(wiphy, dev, req->reason_code); } static int nxpwifi_cfg80211_disassociate(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_disassoc_request *req) { return nxpwifi_cfg80211_disconnect(wiphy, dev, req->reason_code); } static int nxpwifi_cfg80211_probe_peer(struct wiphy *wiphy, struct net_device *dev, const u8 *peer, u64 cookie) { /* * hostapd looks for NL80211_CMD_PROBE_CLIENT support; otherwise, * it requires monitor-mode support (which mwifiex doesn't support). * Provide fake probe_peer support to work around this. */ return -EOPNOTSUPP; } /* station cfg80211 operations */ static const struct cfg80211_ops nxpwifi_cfg80211_ops = { .add_virtual_intf = nxpwifi_add_virtual_intf, .del_virtual_intf = nxpwifi_del_virtual_intf, .change_virtual_intf = nxpwifi_cfg80211_change_virtual_intf, .scan = nxpwifi_cfg80211_scan, .auth = nxpwifi_cfg80211_authenticate, .assoc = nxpwifi_cfg80211_associate, .deauth = nxpwifi_cfg80211_deauthenticate, .disassoc = nxpwifi_cfg80211_disassociate, .probe_peer = nxpwifi_cfg80211_probe_peer, .get_station = nxpwifi_cfg80211_get_station, .dump_station = nxpwifi_cfg80211_dump_station, .dump_survey = nxpwifi_cfg80211_dump_survey, .set_wiphy_params = nxpwifi_cfg80211_set_wiphy_params, .add_key = nxpwifi_cfg80211_add_key, .del_key = nxpwifi_cfg80211_del_key, .set_default_mgmt_key = nxpwifi_cfg80211_set_default_mgmt_key, .mgmt_tx = nxpwifi_cfg80211_mgmt_tx, .update_mgmt_frame_registrations = nxpwifi_cfg80211_update_mgmt_frame_registrations, .remain_on_channel = nxpwifi_cfg80211_remain_on_channel, .cancel_remain_on_channel = nxpwifi_cfg80211_cancel_remain_on_channel, .set_default_key = nxpwifi_cfg80211_set_default_key, .set_power_mgmt = nxpwifi_cfg80211_set_power_mgmt, .set_tx_power = nxpwifi_cfg80211_set_tx_power, .get_tx_power = nxpwifi_cfg80211_get_tx_power, .set_bitrate_mask = nxpwifi_cfg80211_set_bitrate_mask, .start_ap = nxpwifi_cfg80211_start_ap, .stop_ap = nxpwifi_cfg80211_stop_ap, .change_beacon = nxpwifi_cfg80211_change_beacon, .set_cqm_rssi_config = nxpwifi_cfg80211_set_cqm_rssi_config, .set_antenna = nxpwifi_cfg80211_set_antenna, .get_antenna = nxpwifi_cfg80211_get_antenna, .del_station = nxpwifi_cfg80211_del_station, .sched_scan_start = nxpwifi_cfg80211_sched_scan_start, .sched_scan_stop = nxpwifi_cfg80211_sched_scan_stop, .change_station = nxpwifi_cfg80211_change_station, #ifdef CONFIG_PM .suspend = nxpwifi_cfg80211_suspend, .resume = nxpwifi_cfg80211_resume, .set_wakeup = nxpwifi_cfg80211_set_wakeup, #endif .set_coalesce = nxpwifi_cfg80211_set_coalesce, .add_station = nxpwifi_cfg80211_add_station, CFG80211_TESTMODE_CMD(nxpwifi_tm_cmd) .get_channel = nxpwifi_cfg80211_get_channel, .start_radar_detection = nxpwifi_cfg80211_start_radar_detection, .channel_switch = nxpwifi_cfg80211_channel_switch, }; #ifdef CONFIG_PM static const struct wiphy_wowlan_support nxpwifi_wowlan_support = { .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT | WIPHY_WOWLAN_NET_DETECT | WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | WIPHY_WOWLAN_GTK_REKEY_FAILURE, .n_patterns = NXPWIFI_MEF_MAX_FILTERS, .pattern_min_len = 1, .pattern_max_len = NXPWIFI_MAX_PATTERN_LEN, .max_pkt_offset = NXPWIFI_MAX_OFFSET_LEN, .max_nd_match_sets = NXPWIFI_MAX_ND_MATCH_SETS, }; static const struct wiphy_wowlan_support nxpwifi_wowlan_support_no_gtk = { .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT | WIPHY_WOWLAN_NET_DETECT, .n_patterns = NXPWIFI_MEF_MAX_FILTERS, .pattern_min_len = 1, .pattern_max_len = NXPWIFI_MAX_PATTERN_LEN, .max_pkt_offset = NXPWIFI_MAX_OFFSET_LEN, .max_nd_match_sets = NXPWIFI_MAX_ND_MATCH_SETS, }; #endif static const struct wiphy_coalesce_support nxpwifi_coalesce_support = { .n_rules = NXPWIFI_COALESCE_MAX_RULES, .max_delay = NXPWIFI_MAX_COALESCING_DELAY, .n_patterns = NXPWIFI_COALESCE_MAX_FILTERS, .pattern_min_len = 1, .pattern_max_len = NXPWIFI_MAX_PATTERN_LEN, .max_pkt_offset = NXPWIFI_MAX_OFFSET_LEN, }; int nxpwifi_init_channel_scan_gap(struct nxpwifi_adapter *adapter) { u32 n_channels_bg, n_channels_a = 0; n_channels_bg = nxpwifi_band_2ghz.n_channels; if (adapter->fw_bands & BAND_A) n_channels_a = nxpwifi_band_5ghz.n_channels; /* * allocate twice the number total channels, since the driver issues an * additional active scan request for hidden SSIDs on passive channels. */ adapter->num_in_chan_stats = 2 * (n_channels_bg + n_channels_a); adapter->chan_stats = vmalloc(array_size(sizeof(*adapter->chan_stats), adapter->num_in_chan_stats)); if (!adapter->chan_stats) return -ENOMEM; return 0; } /* * Register the device with cfg80211. * * Create and initialize the wiphy, fill in defaults and handlers, * then register it with the cfg80211 subsystem. */ int nxpwifi_register_cfg80211(struct nxpwifi_adapter *adapter) { int ret; void *wdev_priv; struct wiphy *wiphy; struct nxpwifi_private *priv = adapter->priv[NXPWIFI_BSS_TYPE_STA]; struct ieee80211_sta_ht_cap *ht_cap; struct ieee80211_sta_vht_cap *vht_cap; u8 *country_code; u32 thr, retry; /* create a new wiphy for use with cfg80211 */ wiphy = wiphy_new(&nxpwifi_cfg80211_ops, sizeof(struct nxpwifi_adapter *)); if (!wiphy) { nxpwifi_dbg(adapter, ERROR, "%s: creating new wiphy\n", __func__); return -ENOMEM; } wiphy->max_scan_ssids = NXPWIFI_MAX_SSID_LIST_LENGTH; wiphy->max_scan_ie_len = NXPWIFI_MAX_VSIE_LEN; wiphy->mgmt_stypes = nxpwifi_mgmt_stypes; wiphy->max_remain_on_channel_duration = 5000; wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_AP) | BIT(NL80211_IFTYPE_MONITOR); wiphy->max_num_akm_suites = CFG80211_MAX_NUM_AKM_SUITES; wiphy->bands[NL80211_BAND_2GHZ] = devm_kmemdup(adapter->dev, &nxpwifi_band_2ghz, sizeof(nxpwifi_band_2ghz), GFP_KERNEL); if (!wiphy->bands[NL80211_BAND_2GHZ]) { ret = -ENOMEM; goto err; } if (adapter->fw_bands & BAND_A) { wiphy->bands[NL80211_BAND_5GHZ] = devm_kmemdup(adapter->dev, &nxpwifi_band_5ghz, sizeof(nxpwifi_band_5ghz), GFP_KERNEL); if (!wiphy->bands[NL80211_BAND_5GHZ]) { ret = -ENOMEM; goto err; } } else { wiphy->bands[NL80211_BAND_5GHZ] = NULL; } ht_cap = &wiphy->bands[NL80211_BAND_2GHZ]->ht_cap; nxpwifi_setup_ht_caps(priv, ht_cap); if (adapter->is_hw_11ac_capable) { vht_cap = &wiphy->bands[NL80211_BAND_2GHZ]->vht_cap; nxpwifi_setup_vht_caps(priv, vht_cap); } if (adapter->is_hw_11ax_capable) nxpwifi_setup_he_caps(priv, wiphy->bands[NL80211_BAND_2GHZ]); if (adapter->fw_bands & BAND_A) { ht_cap = &wiphy->bands[NL80211_BAND_5GHZ]->ht_cap; nxpwifi_setup_ht_caps(priv, ht_cap); if (adapter->is_hw_11ac_capable) { vht_cap = &wiphy->bands[NL80211_BAND_5GHZ]->vht_cap; nxpwifi_setup_vht_caps(priv, vht_cap); } if (adapter->is_hw_11ax_capable) nxpwifi_setup_he_caps(priv, wiphy->bands[NL80211_BAND_5GHZ]); } if (adapter->is_hw_11ac_capable) wiphy->iface_combinations = &nxpwifi_iface_comb_ap_sta_vht; else wiphy->iface_combinations = &nxpwifi_iface_comb_ap_sta; wiphy->n_iface_combinations = 1; wiphy->max_ap_assoc_sta = adapter->max_sta_conn; /* Initialize cipher suits */ wiphy->cipher_suites = nxpwifi_cipher_suites; wiphy->n_cipher_suites = ARRAY_SIZE(nxpwifi_cipher_suites); if (adapter->regd) { wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG | REGULATORY_DISABLE_BEACON_HINTS | REGULATORY_COUNTRY_IE_IGNORE; wiphy_apply_custom_regulatory(wiphy, adapter->regd); } ether_addr_copy(wiphy->perm_addr, adapter->perm_addr); wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; wiphy->flags |= WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD | WIPHY_FLAG_AP_UAPSD | WIPHY_FLAG_REPORTS_OBSS | WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | WIPHY_FLAG_HAS_CHANNEL_SWITCH | WIPHY_FLAG_NETNS_OK | WIPHY_FLAG_PS_ON_BY_DEFAULT; wiphy->max_num_csa_counters = NXPWIFI_MAX_CSA_COUNTERS; #ifdef CONFIG_PM if (ISSUPP_FIRMWARE_SUPPLICANT(priv->adapter->fw_cap_info)) wiphy->wowlan = &nxpwifi_wowlan_support; else wiphy->wowlan = &nxpwifi_wowlan_support_no_gtk; #endif wiphy->coalesce = &nxpwifi_coalesce_support; wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2; wiphy->max_sched_scan_reqs = 1; wiphy->max_sched_scan_ssids = NXPWIFI_MAX_SSID_LIST_LENGTH; wiphy->max_sched_scan_ie_len = NXPWIFI_MAX_VSIE_LEN; wiphy->max_match_sets = NXPWIFI_MAX_SSID_LIST_LENGTH; wiphy->available_antennas_tx = BIT(adapter->number_of_antenna) - 1; wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1; wiphy->features |= NL80211_FEATURE_SAE | NL80211_FEATURE_INACTIVITY_TIMER | NL80211_FEATURE_LOW_PRIORITY_SCAN | NL80211_FEATURE_NEED_OBSS_SCAN; if (ISSUPP_RANDOM_MAC(adapter->fw_cap_info)) wiphy->features |= NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR | NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR | NL80211_FEATURE_ND_RANDOM_MAC_ADDR; if (adapter->fw_api_ver == NXPWIFI_FW_V15) wiphy->features |= NL80211_FEATURE_SK_TX_STATUS; /* Reserve space for nxpwifi specific private data for BSS */ wiphy->bss_priv_size = sizeof(struct nxpwifi_bss_priv); wiphy->reg_notifier = nxpwifi_reg_notifier; /* Set struct nxpwifi_adapter pointer in wiphy_priv */ wdev_priv = wiphy_priv(wiphy); *(unsigned long *)wdev_priv = (unsigned long)adapter; set_wiphy_dev(wiphy, priv->adapter->dev); ret = wiphy_register(wiphy); if (ret < 0) { nxpwifi_dbg(adapter, ERROR, "%s: wiphy_register failed: %d\n", __func__, ret); goto err; } if (!adapter->regd) { if (adapter->region_code == 0x00) { nxpwifi_dbg(adapter, WARN, "Ignore world regulatory domain\n"); } else { wiphy->regulatory_flags |= REGULATORY_DISABLE_BEACON_HINTS | REGULATORY_COUNTRY_IE_IGNORE; country_code = nxpwifi_11d_code_2_region(adapter->region_code); if (country_code && regulatory_hint(wiphy, country_code)) nxpwifi_dbg(priv->adapter, ERROR, "regulatory_hint() failed\n"); } } nxpwifi_get_802_11_snmp_mib(priv, FRAG_THRESH_I, &thr); wiphy->frag_threshold = thr; nxpwifi_get_802_11_snmp_mib(priv, RTS_THRESH_I, &thr); wiphy->rts_threshold = thr; nxpwifi_get_802_11_snmp_mib(priv, SHORT_RETRY_LIM_I, &retry); wiphy->retry_short = (u8)retry; nxpwifi_get_802_11_snmp_mib(priv, LONG_RETRY_LIM_I, &retry); wiphy->retry_long = (u8)retry; adapter->wiphy = wiphy; return ret; err: wiphy_free(wiphy); return ret; }