| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Bing Zhao | 4878 | 23.50% | 14 | 4.22% |
| Avinash Patil | 4306 | 20.75% | 69 | 20.78% |
| Amitkumar Karwar | 3395 | 16.36% | 78 | 23.49% |
| Xinming Hu | 2066 | 9.95% | 16 | 4.82% |
| Stone Piao | 1246 | 6.00% | 11 | 3.31% |
| Yogesh Ashok Powar | 940 | 4.53% | 11 | 3.31% |
| Jonas Dreßler | 660 | 3.18% | 11 | 3.31% |
| Maithili Hinge | 591 | 2.85% | 4 | 1.20% |
| Zhaoyang Liu | 505 | 2.43% | 3 | 0.90% |
| Brian Norris | 341 | 1.64% | 9 | 2.71% |
| Ganapathi Bhat | 313 | 1.51% | 12 | 3.61% |
| Chunfan Chen | 312 | 1.50% | 4 | 1.20% |
| Johannes Berg | 245 | 1.18% | 20 | 6.02% |
| Ujjal Roy | 138 | 0.66% | 3 | 0.90% |
| Karthik Ananthapadmanabha | 106 | 0.51% | 4 | 1.20% |
| Yen-lin Lai | 82 | 0.40% | 1 | 0.30% |
| Javier Martinez Canillas | 82 | 0.40% | 2 | 0.60% |
| Zhiyuan Yang | 79 | 0.38% | 1 | 0.30% |
| Pali Rohár | 51 | 0.25% | 4 | 1.20% |
| Shengzhen Li | 51 | 0.25% | 3 | 0.90% |
| Doug Anderson | 49 | 0.24% | 1 | 0.30% |
| Marc Yang | 33 | 0.16% | 3 | 0.90% |
| Huawei (Harvey) Yang | 28 | 0.13% | 1 | 0.30% |
| Wei Yongjun | 24 | 0.12% | 2 | 0.60% |
| Adrian Bunk | 20 | 0.10% | 1 | 0.30% |
| Andrei Otcheretianski | 17 | 0.08% | 1 | 0.30% |
| Arend Van Spriel | 16 | 0.08% | 4 | 1.20% |
| Christoph Fritz | 14 | 0.07% | 1 | 0.30% |
| Jouni Malinen | 13 | 0.06% | 2 | 0.60% |
| Marty Faltesek | 13 | 0.06% | 1 | 0.30% |
| Ying Luo | 12 | 0.06% | 1 | 0.30% |
| Veerendranath Jakkam | 12 | 0.06% | 1 | 0.30% |
| Luis R. Rodriguez | 11 | 0.05% | 3 | 0.90% |
| John W. Linville | 11 | 0.05% | 1 | 0.30% |
| Omer Efrat | 10 | 0.05% | 1 | 0.30% |
| Aniket Nagarnaik | 9 | 0.04% | 2 | 0.60% |
| Colin Ian King | 8 | 0.04% | 2 | 0.60% |
| Tom Gundersen | 7 | 0.03% | 2 | 0.60% |
| Limin Zhu | 6 | 0.03% | 1 | 0.30% |
| Antonio Quartulli | 6 | 0.03% | 1 | 0.30% |
| Rohit Fule | 5 | 0.02% | 1 | 0.30% |
| Dedy Lansky | 4 | 0.02% | 1 | 0.30% |
| Kees Cook | 4 | 0.02% | 1 | 0.30% |
| Joe Perches | 4 | 0.02% | 1 | 0.30% |
| Paul Stewart | 3 | 0.01% | 1 | 0.30% |
| Thomas Gleixner | 3 | 0.01% | 2 | 0.60% |
| Arik Nemtsov | 3 | 0.01% | 1 | 0.30% |
| Florian Westphal | 3 | 0.01% | 1 | 0.30% |
| Daniel Drake | 3 | 0.01% | 1 | 0.30% |
| Sunil Dutt Undekari | 3 | 0.01% | 1 | 0.30% |
| Janusz Dziedzic | 3 | 0.01% | 1 | 0.30% |
| Nachiket Kukade | 2 | 0.01% | 1 | 0.30% |
| Jason A. Donenfeld | 2 | 0.01% | 1 | 0.30% |
| Binoy Jayan | 2 | 0.01% | 1 | 0.30% |
| Yue haibing | 2 | 0.01% | 1 | 0.30% |
| Geliang Tang | 1 | 0.00% | 1 | 0.30% |
| Hans Wennborg | 1 | 0.00% | 1 | 0.30% |
| Andreas Fenkart | 1 | 0.00% | 1 | 0.30% |
| Kevin Gan | 1 | 0.00% | 1 | 0.30% |
| Total | 20756 | 332 |
// SPDX-License-Identifier: GPL-2.0-only /* * NXP Wireless LAN device driver: CFG80211 * * Copyright 2011-2020 NXP */ #include "cfg80211.h" #include "main.h" #include "11n.h" #include "wmm.h" static char *reg_alpha2; module_param(reg_alpha2, charp, 0); static const struct ieee80211_iface_limit mwifiex_ap_sta_limits[] = { { .max = MWIFIEX_MAX_BSS_NUM, .types = BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_P2P_GO) | BIT(NL80211_IFTYPE_P2P_CLIENT) | BIT(NL80211_IFTYPE_AP), }, }; static const struct ieee80211_iface_combination mwifiex_iface_comb_ap_sta = { .limits = mwifiex_ap_sta_limits, .num_different_channels = 1, .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits), .max_interfaces = MWIFIEX_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 mwifiex_iface_comb_ap_sta_vht = { .limits = mwifiex_ap_sta_limits, .num_different_channels = 1, .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits), .max_interfaces = MWIFIEX_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), }; static const struct ieee80211_iface_combination mwifiex_iface_comb_ap_sta_drcs = { .limits = mwifiex_ap_sta_limits, .num_different_channels = 2, .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits), .max_interfaces = MWIFIEX_MAX_BSS_NUM, .beacon_int_infra_match = true, }; /* * This function maps the nl802.11 channel type into driver channel type. * * The mapping is as follows - * NL80211_CHAN_NO_HT -> IEEE80211_HT_PARAM_CHA_SEC_NONE * NL80211_CHAN_HT20 -> IEEE80211_HT_PARAM_CHA_SEC_NONE * NL80211_CHAN_HT40PLUS -> IEEE80211_HT_PARAM_CHA_SEC_ABOVE * NL80211_CHAN_HT40MINUS -> IEEE80211_HT_PARAM_CHA_SEC_BELOW * Others -> IEEE80211_HT_PARAM_CHA_SEC_NONE */ u8 mwifiex_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; } } /* This function maps IEEE HT secondary channel type to NL80211 channel type */ u8 mwifiex_get_chan_type(struct mwifiex_private *priv) { struct mwifiex_channel_band channel_band; int ret; ret = mwifiex_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 == SEC_CHAN_ABOVE) return NL80211_CHAN_HT40PLUS; else return NL80211_CHAN_HT40MINUS; default: return NL80211_CHAN_HT20; } } return NL80211_CHAN_HT20; } /* * This function checks whether WEP is set. */ static int mwifiex_is_alg_wep(u32 cipher) { switch (cipher) { case WLAN_CIPHER_SUITE_WEP40: case WLAN_CIPHER_SUITE_WEP104: return 1; default: break; } return 0; } /* * This function retrieves the private structure from kernel wiphy structure. */ static void *mwifiex_cfg80211_get_adapter(struct wiphy *wiphy) { return (void *) (*(unsigned long *) wiphy_priv(wiphy)); } /* * CFG802.11 operation handler to delete a network key. */ static int mwifiex_cfg80211_del_key(struct wiphy *wiphy, struct net_device *netdev, int link_id, u8 key_index, bool pairwise, const u8 *mac_addr) { struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); static const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; const u8 *peer_mac = pairwise ? mac_addr : bc_mac; if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index, peer_mac, 1)) { mwifiex_dbg(priv->adapter, ERROR, "deleting the crypto keys\n"); return -EFAULT; } mwifiex_dbg(priv->adapter, INFO, "info: crypto keys deleted\n"); return 0; } /* * This function forms an skb for management frame. */ static int mwifiex_form_mgmt_frame(struct sk_buff *skb, const u8 *buf, size_t len) { u8 addr[ETH_ALEN] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}; u16 pkt_len; u32 tx_control = 0, pkt_type = PKT_TYPE_MGMT; pkt_len = len + ETH_ALEN; skb_reserve(skb, MWIFIEX_MIN_DATA_HEADER_LEN + MWIFIEX_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 = LOW_PRIO_TID; __net_timestamp(skb); return 0; } /* * CFG802.11 operation handler to transmit a management frame. */ static int mwifiex_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 mwifiex_txinfo *tx_info; struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); if (!buf || !len) { mwifiex_dbg(priv->adapter, ERROR, "invalid buffer and length\n"); return -EFAULT; } mgmt = (const struct ieee80211_mgmt *)buf; if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA && ieee80211_is_probe_resp(mgmt->frame_control)) { /* Since we support offload probe resp, we need to skip probe * resp in AP or GO mode */ mwifiex_dbg(priv->adapter, INFO, "info: skip to send probe resp in AP or GO mode\n"); return 0; } pkt_len = len + ETH_ALEN; skb = dev_alloc_skb(MWIFIEX_MIN_DATA_HEADER_LEN + MWIFIEX_MGMT_FRAME_HEADER_SIZE + pkt_len + sizeof(pkt_len)); if (!skb) { mwifiex_dbg(priv->adapter, ERROR, "allocate skb failed for management frame\n"); return -ENOMEM; } tx_info = MWIFIEX_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; mwifiex_form_mgmt_frame(skb, buf, len); *cookie = get_random_u32() | 1; if (ieee80211_is_action(mgmt->frame_control)) skb = mwifiex_clone_skb_for_tx_status(priv, skb, MWIFIEX_BUF_FLAG_ACTION_TX_STATUS, cookie); else cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true, GFP_ATOMIC); mwifiex_queue_tx_pkt(priv, skb); mwifiex_dbg(priv->adapter, INFO, "info: management frame transmitted\n"); return 0; } /* * CFG802.11 operation handler to register a mgmt frame. */ static void mwifiex_cfg80211_update_mgmt_frame_registrations(struct wiphy *wiphy, struct wireless_dev *wdev, struct mgmt_frame_regs *upd) { struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); u32 mask = upd->interface_stypes; if (mask != priv->mgmt_frame_mask) { priv->mgmt_frame_mask = mask; mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG, HostCmd_ACT_GEN_SET, 0, &priv->mgmt_frame_mask, false); mwifiex_dbg(priv->adapter, INFO, "info: mgmt frame registered\n"); } } /* * CFG802.11 operation handler to remain on channel. */ static int mwifiex_cfg80211_remain_on_channel(struct wiphy *wiphy, struct wireless_dev *wdev, struct ieee80211_channel *chan, unsigned int duration, u64 *cookie) { struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); int ret; if (!chan || !cookie) { mwifiex_dbg(priv->adapter, ERROR, "Invalid parameter for ROC\n"); return -EINVAL; } if (priv->roc_cfg.cookie) { mwifiex_dbg(priv->adapter, INFO, "info: ongoing ROC, cookie = 0x%llx\n", priv->roc_cfg.cookie); return -EBUSY; } ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_SET, chan, duration); if (!ret) { *cookie = get_random_u32() | 1; priv->roc_cfg.cookie = *cookie; priv->roc_cfg.chan = *chan; cfg80211_ready_on_channel(wdev, *cookie, chan, duration, GFP_ATOMIC); mwifiex_dbg(priv->adapter, INFO, "info: ROC, cookie = 0x%llx\n", *cookie); } return ret; } /* * CFG802.11 operation handler to cancel remain on channel. */ static int mwifiex_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy, struct wireless_dev *wdev, u64 cookie) { struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); int ret; if (cookie != priv->roc_cfg.cookie) return -ENOENT; ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_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 mwifiex_roc_cfg)); mwifiex_dbg(priv->adapter, INFO, "info: cancel ROC, cookie = 0x%llx\n", cookie); } return ret; } /* * CFG802.11 operation handler to set Tx power. */ static int mwifiex_cfg80211_set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev, enum nl80211_tx_power_setting type, int mbm) { struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); struct mwifiex_private *priv; struct mwifiex_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 = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); return mwifiex_set_tx_power(priv, &power_cfg); } /* * CFG802.11 operation handler to get Tx power. */ static int mwifiex_cfg80211_get_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev, int *dbm) { struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); struct mwifiex_private *priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); int ret = mwifiex_send_cmd(priv, HostCmd_CMD_RF_TX_PWR, HostCmd_ACT_GEN_GET, 0, NULL, true); if (ret < 0) return ret; /* tx_power_level is set in HostCmd_CMD_RF_TX_PWR command handler */ *dbm = priv->tx_power_level; return 0; } /* * CFG802.11 operation handler to set Power Save option. * * The timeout value, if provided, is currently ignored. */ static int mwifiex_cfg80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, bool enabled, int timeout) { struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); u32 ps_mode; if (timeout) mwifiex_dbg(priv->adapter, INFO, "info: ignore timeout value for IEEE Power Save\n"); ps_mode = enabled; return mwifiex_drv_set_power(priv, &ps_mode); } /* * CFG802.11 operation handler to set the default network key. */ static int mwifiex_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev, int link_id, u8 key_index, bool unicast, bool multicast) { struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); /* Return if WEP key not configured */ if (!priv->sec_info.wep_enabled) return 0; if (priv->bss_type == MWIFIEX_BSS_TYPE_UAP) { priv->wep_key_curr_index = key_index; } else if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index, NULL, 0)) { mwifiex_dbg(priv->adapter, ERROR, "set default Tx key index\n"); return -EFAULT; } return 0; } /* * CFG802.11 operation handler to add a network key. */ static int mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev, int link_id, u8 key_index, bool pairwise, const u8 *mac_addr, struct key_params *params) { struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); struct mwifiex_wep_key *wep_key; static const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; const u8 *peer_mac = pairwise ? mac_addr : bc_mac; if (GET_BSS_ROLE(priv) == MWIFIEX_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 mwifiex_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; } if (mwifiex_set_encode(priv, params, params->key, params->key_len, key_index, peer_mac, 0)) { mwifiex_dbg(priv->adapter, ERROR, "crypto keys added\n"); return -EFAULT; } return 0; } /* * CFG802.11 operation handler to set default mgmt key. */ static int mwifiex_cfg80211_set_default_mgmt_key(struct wiphy *wiphy, struct net_device *netdev, int link_id, u8 key_index) { struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); struct mwifiex_ds_encrypt_key encrypt_key; wiphy_dbg(wiphy, "set default mgmt key, key index=%d\n", key_index); memset(&encrypt_key, 0, sizeof(struct mwifiex_ds_encrypt_key)); encrypt_key.key_len = WLAN_KEY_LEN_CCMP; encrypt_key.key_index = key_index; encrypt_key.is_igtk_def_key = true; eth_broadcast_addr(encrypt_key.mac_addr); if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL, HostCmd_ACT_GEN_SET, true, &encrypt_key, true)) { mwifiex_dbg(priv->adapter, ERROR, "Sending KEY_MATERIAL command failed\n"); return -1; } return 0; } /* * This function sends domain information to the firmware. * * The following information are passed to the firmware - * - Country codes * - Sub bands (first channel, number of channels, maximum Tx power) */ int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy) { 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; enum nl80211_band band; struct ieee80211_supported_band *sband; struct ieee80211_channel *ch; struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); struct mwifiex_private *priv; struct mwifiex_802_11d_domain_reg *domain_info = &adapter->domain_reg; /* 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] = ' '; band = mwifiex_band_to_radio_type(adapter->config_bands); if (!wiphy->bands[band]) { mwifiex_dbg(adapter, ERROR, "11D: setting domain info in FW\n"); return -1; } 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 = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11D_DOMAIN_INFO, HostCmd_ACT_GEN_SET, 0, NULL, false)) { mwifiex_dbg(adapter, INFO, "11D: setting domain info in FW\n"); return -1; } return 0; } static void mwifiex_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; } } /* * CFG802.11 regulatory domain callback function. * * This function is called when the regulatory domain is changed due to the * following reasons - * - Set by driver * - Set by system core * - Set by user * - Set bt Country IE */ static void mwifiex_reg_notifier(struct wiphy *wiphy, struct regulatory_request *request) { struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); struct mwifiex_private *priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); mwifiex_dbg(adapter, INFO, "info: cfg80211 regulatory domain callback for %c%c\n", request->alpha2[0], request->alpha2[1]); mwifiex_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: mwifiex_dbg(adapter, ERROR, "unknown regdom initiator: %d\n", request->initiator); return; } /* Don't send world or same regdom info to firmware */ if (strncmp(request->alpha2, "00", 2) && strncmp(request->alpha2, adapter->country_code, sizeof(request->alpha2))) { memcpy(adapter->country_code, request->alpha2, sizeof(request->alpha2)); mwifiex_send_domain_info_cmd_fw(wiphy); mwifiex_dnld_txpwr_table(priv); } } /* * This function sets the fragmentation threshold. * * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE * and MWIFIEX_FRAG_MAX_VALUE. */ static int mwifiex_set_frag(struct mwifiex_private *priv, u32 frag_thr) { if (frag_thr < MWIFIEX_FRAG_MIN_VALUE || frag_thr > MWIFIEX_FRAG_MAX_VALUE) frag_thr = MWIFIEX_FRAG_MAX_VALUE; return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, HostCmd_ACT_GEN_SET, FRAG_THRESH_I, &frag_thr, true); } /* * This function sets the RTS threshold. * The rts value must lie between MWIFIEX_RTS_MIN_VALUE * and MWIFIEX_RTS_MAX_VALUE. */ static int mwifiex_set_rts(struct mwifiex_private *priv, u32 rts_thr) { if (rts_thr < MWIFIEX_RTS_MIN_VALUE || rts_thr > MWIFIEX_RTS_MAX_VALUE) rts_thr = MWIFIEX_RTS_MAX_VALUE; return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, HostCmd_ACT_GEN_SET, RTS_THRESH_I, &rts_thr, true); } /* * CFG802.11 operation handler to set wiphy parameters. * * This function can be used to set the RTS threshold and the * Fragmentation threshold of the driver. */ static int mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) { struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); struct mwifiex_private *priv; struct mwifiex_uap_bss_param *bss_cfg; int ret; priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); switch (priv->bss_role) { case MWIFIEX_BSS_ROLE_UAP: if (priv->bss_started) { mwifiex_dbg(adapter, ERROR, "cannot change wiphy params when bss started"); return -EINVAL; } bss_cfg = kzalloc(sizeof(*bss_cfg), GFP_KERNEL); if (!bss_cfg) return -ENOMEM; mwifiex_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 = mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG, HostCmd_ACT_GEN_SET, UAP_BSS_PARAMS_I, bss_cfg, false); kfree(bss_cfg); if (ret) { mwifiex_dbg(adapter, ERROR, "Failed to set wiphy phy params\n"); return ret; } break; case MWIFIEX_BSS_ROLE_STA: if (priv->media_connected) { mwifiex_dbg(adapter, ERROR, "cannot change wiphy params when connected"); return -EINVAL; } if (changed & WIPHY_PARAM_RTS_THRESHOLD) { ret = mwifiex_set_rts(priv, wiphy->rts_threshold); if (ret) return ret; } if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { ret = mwifiex_set_frag(priv, wiphy->frag_threshold); if (ret) return ret; } break; } return 0; } static int mwifiex_cfg80211_deinit_p2p(struct mwifiex_private *priv) { u16 mode = P2P_MODE_DISABLE; if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, HostCmd_ACT_GEN_SET, 0, &mode, true)) return -1; return 0; } /* * This function initializes the functionalities for P2P client. * The P2P client initialization sequence is: * disable -> device -> client */ static int mwifiex_cfg80211_init_p2p_client(struct mwifiex_private *priv) { u16 mode; if (mwifiex_cfg80211_deinit_p2p(priv)) return -1; mode = P2P_MODE_DEVICE; if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, HostCmd_ACT_GEN_SET, 0, &mode, true)) return -1; mode = P2P_MODE_CLIENT; if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, HostCmd_ACT_GEN_SET, 0, &mode, true)) return -1; return 0; } /* * This function initializes the functionalities for P2P GO. * The P2P GO initialization sequence is: * disable -> device -> GO */ static int mwifiex_cfg80211_init_p2p_go(struct mwifiex_private *priv) { u16 mode; if (mwifiex_cfg80211_deinit_p2p(priv)) return -1; mode = P2P_MODE_DEVICE; if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, HostCmd_ACT_GEN_SET, 0, &mode, true)) return -1; mode = P2P_MODE_GO; if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, HostCmd_ACT_GEN_SET, 0, &mode, true)) return -1; return 0; } static int mwifiex_deinit_priv_params(struct mwifiex_private *priv) { struct mwifiex_adapter *adapter = priv->adapter; unsigned long flags; priv->mgmt_frame_mask = 0; if (mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG, HostCmd_ACT_GEN_SET, 0, &priv->mgmt_frame_mask, false)) { mwifiex_dbg(adapter, ERROR, "could not unregister mgmt frame rx\n"); return -1; } mwifiex_deauthenticate(priv, NULL); spin_lock_irqsave(&adapter->main_proc_lock, flags); adapter->main_locked = true; if (adapter->mwifiex_processing) { spin_unlock_irqrestore(&adapter->main_proc_lock, flags); flush_workqueue(adapter->workqueue); } else { spin_unlock_irqrestore(&adapter->main_proc_lock, flags); } spin_lock_bh(&adapter->rx_proc_lock); adapter->rx_locked = true; if (adapter->rx_processing) { spin_unlock_bh(&adapter->rx_proc_lock); flush_workqueue(adapter->rx_workqueue); } else { spin_unlock_bh(&adapter->rx_proc_lock); } mwifiex_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 0; } static int mwifiex_init_new_priv_params(struct mwifiex_private *priv, struct net_device *dev, enum nl80211_iftype type) { struct mwifiex_adapter *adapter = priv->adapter; unsigned long flags; mwifiex_init_priv(priv); priv->bss_mode = type; priv->wdev.iftype = type; mwifiex_init_priv_params(priv, priv->netdev); priv->bss_started = 0; switch (type) { case NL80211_IFTYPE_STATION: case NL80211_IFTYPE_ADHOC: priv->bss_role = MWIFIEX_BSS_ROLE_STA; priv->bss_type = MWIFIEX_BSS_TYPE_STA; break; case NL80211_IFTYPE_P2P_CLIENT: priv->bss_role = MWIFIEX_BSS_ROLE_STA; priv->bss_type = MWIFIEX_BSS_TYPE_P2P; break; case NL80211_IFTYPE_P2P_GO: priv->bss_role = MWIFIEX_BSS_ROLE_UAP; priv->bss_type = MWIFIEX_BSS_TYPE_P2P; break; case NL80211_IFTYPE_AP: priv->bss_role = MWIFIEX_BSS_ROLE_UAP; priv->bss_type = MWIFIEX_BSS_TYPE_UAP; break; default: mwifiex_dbg(adapter, ERROR, "%s: changing to %d not supported\n", dev->name, type); return -EOPNOTSUPP; } spin_lock_irqsave(&adapter->main_proc_lock, flags); adapter->main_locked = false; spin_unlock_irqrestore(&adapter->main_proc_lock, flags); spin_lock_bh(&adapter->rx_proc_lock); adapter->rx_locked = false; spin_unlock_bh(&adapter->rx_proc_lock); mwifiex_set_mac_address(priv, dev, false, NULL); return 0; } static bool is_vif_type_change_allowed(struct mwifiex_adapter *adapter, enum nl80211_iftype old_iftype, enum nl80211_iftype new_iftype) { switch (old_iftype) { case NL80211_IFTYPE_ADHOC: switch (new_iftype) { case NL80211_IFTYPE_STATION: return true; case NL80211_IFTYPE_P2P_CLIENT: case NL80211_IFTYPE_P2P_GO: return adapter->curr_iface_comb.p2p_intf != adapter->iface_limit.p2p_intf; case NL80211_IFTYPE_AP: return adapter->curr_iface_comb.uap_intf != adapter->iface_limit.uap_intf; default: return false; } case NL80211_IFTYPE_STATION: switch (new_iftype) { case NL80211_IFTYPE_ADHOC: return true; case NL80211_IFTYPE_P2P_CLIENT: case NL80211_IFTYPE_P2P_GO: return adapter->curr_iface_comb.p2p_intf != adapter->iface_limit.p2p_intf; 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_ADHOC: case NL80211_IFTYPE_STATION: return adapter->curr_iface_comb.sta_intf != adapter->iface_limit.sta_intf; case NL80211_IFTYPE_P2P_CLIENT: case NL80211_IFTYPE_P2P_GO: return adapter->curr_iface_comb.p2p_intf != adapter->iface_limit.p2p_intf; default: return false; } case NL80211_IFTYPE_P2P_CLIENT: switch (new_iftype) { case NL80211_IFTYPE_ADHOC: case NL80211_IFTYPE_STATION: return true; case NL80211_IFTYPE_P2P_GO: return true; case NL80211_IFTYPE_AP: return adapter->curr_iface_comb.uap_intf != adapter->iface_limit.uap_intf; default: return false; } case NL80211_IFTYPE_P2P_GO: switch (new_iftype) { case NL80211_IFTYPE_ADHOC: case NL80211_IFTYPE_STATION: return true; case NL80211_IFTYPE_P2P_CLIENT: return true; case NL80211_IFTYPE_AP: return adapter->curr_iface_comb.uap_intf != adapter->iface_limit.uap_intf; default: return false; } default: break; } return false; } static void update_vif_type_counter(struct mwifiex_adapter *adapter, enum nl80211_iftype iftype, int change) { switch (iftype) { case NL80211_IFTYPE_UNSPECIFIED: case NL80211_IFTYPE_ADHOC: 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_P2P_CLIENT: case NL80211_IFTYPE_P2P_GO: adapter->curr_iface_comb.p2p_intf += change; break; default: mwifiex_dbg(adapter, ERROR, "%s: Unsupported iftype passed: %d\n", __func__, iftype); break; } } static int mwifiex_change_vif_to_p2p(struct net_device *dev, enum nl80211_iftype curr_iftype, enum nl80211_iftype type, struct vif_params *params) { struct mwifiex_private *priv; struct mwifiex_adapter *adapter; priv = mwifiex_netdev_get_priv(dev); if (!priv) return -1; adapter = priv->adapter; mwifiex_dbg(adapter, INFO, "%s: changing role to p2p\n", dev->name); if (mwifiex_deinit_priv_params(priv)) return -1; if (mwifiex_init_new_priv_params(priv, dev, type)) return -1; update_vif_type_counter(adapter, curr_iftype, -1); update_vif_type_counter(adapter, type, +1); dev->ieee80211_ptr->iftype = type; switch (type) { case NL80211_IFTYPE_P2P_CLIENT: if (mwifiex_cfg80211_init_p2p_client(priv)) return -EFAULT; break; case NL80211_IFTYPE_P2P_GO: if (mwifiex_cfg80211_init_p2p_go(priv)) return -EFAULT; break; default: mwifiex_dbg(adapter, ERROR, "%s: changing to %d not supported\n", dev->name, type); return -EOPNOTSUPP; } if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, HostCmd_ACT_GEN_SET, 0, NULL, true)) return -1; if (mwifiex_sta_init_cmd(priv, false, false)) return -1; return 0; } static int mwifiex_change_vif_to_sta_adhoc(struct net_device *dev, enum nl80211_iftype curr_iftype, enum nl80211_iftype type, struct vif_params *params) { struct mwifiex_private *priv; struct mwifiex_adapter *adapter; priv = mwifiex_netdev_get_priv(dev); if (!priv) return -1; adapter = priv->adapter; if (type == NL80211_IFTYPE_STATION) mwifiex_dbg(adapter, INFO, "%s: changing role to station\n", dev->name); else mwifiex_dbg(adapter, INFO, "%s: changing role to adhoc\n", dev->name); if (mwifiex_deinit_priv_params(priv)) return -1; if (mwifiex_init_new_priv_params(priv, dev, type)) return -1; update_vif_type_counter(adapter, curr_iftype, -1); update_vif_type_counter(adapter, type, +1); dev->ieee80211_ptr->iftype = type; if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, HostCmd_ACT_GEN_SET, 0, NULL, true)) return -1; if (mwifiex_sta_init_cmd(priv, false, false)) return -1; return 0; } static int mwifiex_change_vif_to_ap(struct net_device *dev, enum nl80211_iftype curr_iftype, enum nl80211_iftype type, struct vif_params *params) { struct mwifiex_private *priv; struct mwifiex_adapter *adapter; priv = mwifiex_netdev_get_priv(dev); if (!priv) return -1; adapter = priv->adapter; mwifiex_dbg(adapter, INFO, "%s: changing role to AP\n", dev->name); if (mwifiex_deinit_priv_params(priv)) return -1; if (mwifiex_init_new_priv_params(priv, dev, type)) return -1; update_vif_type_counter(adapter, curr_iftype, -1); update_vif_type_counter(adapter, type, +1); dev->ieee80211_ptr->iftype = type; if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, HostCmd_ACT_GEN_SET, 0, NULL, true)) return -1; if (mwifiex_sta_init_cmd(priv, false, false)) return -1; return 0; } /* * CFG802.11 operation handler to change interface type. */ static int mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy, struct net_device *dev, enum nl80211_iftype type, struct vif_params *params) { struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); enum nl80211_iftype curr_iftype = dev->ieee80211_ptr->iftype; if (priv->scan_request) { mwifiex_dbg(priv->adapter, ERROR, "change virtual interface: scan in process\n"); return -EBUSY; } if (type == NL80211_IFTYPE_UNSPECIFIED) { mwifiex_dbg(priv->adapter, INFO, "%s: no new type specified, keeping old type %d\n", dev->name, curr_iftype); return 0; } if (curr_iftype == type) { mwifiex_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)) { mwifiex_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_ADHOC: switch (type) { case NL80211_IFTYPE_STATION: priv->bss_mode = type; priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM; dev->ieee80211_ptr->iftype = type; mwifiex_deauthenticate(priv, NULL); return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, HostCmd_ACT_GEN_SET, 0, NULL, true); case NL80211_IFTYPE_P2P_CLIENT: case NL80211_IFTYPE_P2P_GO: return mwifiex_change_vif_to_p2p(dev, curr_iftype, type, params); case NL80211_IFTYPE_AP: return mwifiex_change_vif_to_ap(dev, curr_iftype, type, params); default: goto errnotsupp; } case NL80211_IFTYPE_STATION: switch (type) { case NL80211_IFTYPE_ADHOC: priv->bss_mode = type; priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM; dev->ieee80211_ptr->iftype = type; mwifiex_deauthenticate(priv, NULL); return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, HostCmd_ACT_GEN_SET, 0, NULL, true); case NL80211_IFTYPE_P2P_CLIENT: case NL80211_IFTYPE_P2P_GO: return mwifiex_change_vif_to_p2p(dev, curr_iftype, type, params); case NL80211_IFTYPE_AP: return mwifiex_change_vif_to_ap(dev, curr_iftype, type, params); default: goto errnotsupp; } case NL80211_IFTYPE_AP: switch (type) { case NL80211_IFTYPE_ADHOC: case NL80211_IFTYPE_STATION: return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype, type, params); break; case NL80211_IFTYPE_P2P_CLIENT: case NL80211_IFTYPE_P2P_GO: return mwifiex_change_vif_to_p2p(dev, curr_iftype, type, params); default: goto errnotsupp; } case NL80211_IFTYPE_P2P_CLIENT: if (mwifiex_cfg80211_deinit_p2p(priv)) return -EFAULT; switch (type) { case NL80211_IFTYPE_ADHOC: case NL80211_IFTYPE_STATION: return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype, type, params); case NL80211_IFTYPE_P2P_GO: return mwifiex_change_vif_to_p2p(dev, curr_iftype, type, params); case NL80211_IFTYPE_AP: return mwifiex_change_vif_to_ap(dev, curr_iftype, type, params); default: goto errnotsupp; } case NL80211_IFTYPE_P2P_GO: if (mwifiex_cfg80211_deinit_p2p(priv)) return -EFAULT; switch (type) { case NL80211_IFTYPE_ADHOC: case NL80211_IFTYPE_STATION: return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype, type, params); case NL80211_IFTYPE_P2P_CLIENT: return mwifiex_change_vif_to_p2p(dev, curr_iftype, type, params); case NL80211_IFTYPE_AP: return mwifiex_change_vif_to_ap(dev, curr_iftype, type, params); default: goto errnotsupp; } default: goto errnotsupp; } return 0; errnotsupp: mwifiex_dbg(priv->adapter, ERROR, "unsupported interface type transition: %d to %d\n", curr_iftype, type); return -EOPNOTSUPP; } static void mwifiex_parse_htinfo(struct mwifiex_private *priv, u8 rateinfo, u8 htinfo, struct rate_info *rate) { struct mwifiex_adapter *adapter = priv->adapter; if (adapter->is_hw_11ac_capable) { /* bit[1-0]: 00=LG 01=HT 10=VHT */ if (htinfo & BIT(0)) { /* HT */ rate->mcs = rateinfo; rate->flags |= RATE_INFO_FLAGS_MCS; } if (htinfo & BIT(1)) { /* VHT */ rate->mcs = rateinfo & 0x0F; rate->flags |= RATE_INFO_FLAGS_VHT_MCS; } if (htinfo & (BIT(1) | BIT(0))) { /* HT or VHT */ switch (htinfo & (BIT(3) | BIT(2))) { case 0: rate->bw = RATE_INFO_BW_20; break; case (BIT(2)): rate->bw = RATE_INFO_BW_40; break; case (BIT(3)): rate->bw = RATE_INFO_BW_80; break; case (BIT(3) | BIT(2)): rate->bw = RATE_INFO_BW_160; break; } if (htinfo & BIT(4)) rate->flags |= RATE_INFO_FLAGS_SHORT_GI; if ((rateinfo >> 4) == 1) rate->nss = 2; else rate->nss = 1; } } else { /* * Bit 0 in htinfo indicates that current rate is 11n. Valid * MCS index values for us are 0 to 15. */ if ((htinfo & BIT(0)) && (rateinfo < 16)) { rate->mcs = rateinfo; rate->flags |= RATE_INFO_FLAGS_MCS; rate->bw = RATE_INFO_BW_20; if (htinfo & BIT(1)) rate->bw = RATE_INFO_BW_40; if (htinfo & BIT(2)) rate->flags |= RATE_INFO_FLAGS_SHORT_GI; } } /* Decode legacy rates for non-HT. */ if (!(htinfo & (BIT(0) | BIT(1)))) { /* Bitrates in multiples of 100kb/s. */ static const int legacy_rates[] = { [0] = 10, [1] = 20, [2] = 55, [3] = 110, [4] = 60, /* MWIFIEX_RATE_INDEX_OFDM0 */ [5] = 60, [6] = 90, [7] = 120, [8] = 180, [9] = 240, [10] = 360, [11] = 480, [12] = 540, }; if (rateinfo < ARRAY_SIZE(legacy_rates)) rate->legacy = legacy_rates[rateinfo]; } } /* * This function dumps the station information on a buffer. * * The following information are shown - * - Total bytes transmitted * - Total bytes received * - Total packets transmitted * - Total packets received * - Signal quality level * - Transmission rate */ static int mwifiex_dump_station_info(struct mwifiex_private *priv, struct mwifiex_sta_node *node, struct station_info *sinfo) { u32 rate; 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) == MWIFIEX_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; mwifiex_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 */ if (mwifiex_send_cmd(priv, HostCmd_CMD_RSSI_INFO, HostCmd_ACT_GEN_GET, 0, NULL, true)) { mwifiex_dbg(priv->adapter, ERROR, "failed to get signal information\n"); return -EFAULT; } if (mwifiex_drv_get_data_rate(priv, &rate)) { mwifiex_dbg(priv->adapter, ERROR, "getting data rate error\n"); return -EFAULT; } /* Get DTIM period information from firmware */ mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, HostCmd_ACT_GEN_GET, DTIM_PERIOD_I, &priv->dtim_period, true); mwifiex_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; /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */ sinfo->txrate.legacy = rate * 5; sinfo->filled |= BIT(NL80211_STA_INFO_RX_BITRATE); mwifiex_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; } return 0; } /* * CFG802.11 operation handler to get station information. * * This function only works in connected mode, and dumps the * requested station information, if available. */ static int mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev, const u8 *mac, struct station_info *sinfo) { struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); if (!priv->media_connected) return -ENOENT; if (memcmp(mac, priv->cfg_bssid, ETH_ALEN)) return -ENOENT; return mwifiex_dump_station_info(priv, NULL, sinfo); } /* * CFG802.11 operation handler to dump station information. */ static int mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev, int idx, u8 *mac, struct station_info *sinfo) { struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); struct mwifiex_sta_node *node; int i; if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) && priv->media_connected && idx == 0) { ether_addr_copy(mac, priv->cfg_bssid); return mwifiex_dump_station_info(priv, NULL, sinfo); } else if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) { mwifiex_send_cmd(priv, HOST_CMD_APCMD_STA_LIST, HostCmd_ACT_GEN_GET, 0, NULL, true); i = 0; list_for_each_entry(node, &priv->sta_list, list) { if (i++ != idx) continue; ether_addr_copy(mac, node->mac_addr); return mwifiex_dump_station_info(priv, node, sinfo); } } return -ENOENT; } static int mwifiex_cfg80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, int idx, struct survey_info *survey) { struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); struct mwifiex_chan_stats *pchan_stats = priv->adapter->chan_stats; enum nl80211_band band; mwifiex_dbg(priv->adapter, DUMP, "dump_survey idx=%d\n", idx); memset(survey, 0, sizeof(struct survey_info)); if ((GET_BSS_ROLE(priv) == MWIFIEX_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 = mwifiex_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; survey->channel = ieee80211_get_channel(wiphy, ieee80211_channel_to_frequency(pchan_stats[idx].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 mwifiex_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 mwifiex_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 mwifiex_band_2ghz = { .channels = mwifiex_channels_2ghz, .n_channels = ARRAY_SIZE(mwifiex_channels_2ghz), .bitrates = mwifiex_rates, .n_bitrates = ARRAY_SIZE(mwifiex_rates), }; static struct ieee80211_channel mwifiex_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 mwifiex_band_5ghz = { .channels = mwifiex_channels_5ghz, .n_channels = ARRAY_SIZE(mwifiex_channels_5ghz), .bitrates = mwifiex_rates + 4, .n_bitrates = ARRAY_SIZE(mwifiex_rates) - 4, }; /* Supported crypto cipher suits to be advertised to cfg80211 */ static const u32 mwifiex_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, }; /* Supported mgmt frame types to be advertised to cfg80211 */ static const struct ieee80211_txrx_stypes mwifiex_mgmt_stypes[NUM_NL80211_IFTYPES] = { [NL80211_IFTYPE_STATION] = { .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | BIT(IEEE80211_STYPE_PROBE_RESP >> 4), .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | BIT(IEEE80211_STYPE_PROBE_REQ >> 4), }, [NL80211_IFTYPE_AP] = { .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | BIT(IEEE80211_STYPE_PROBE_RESP >> 4), .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | BIT(IEEE80211_STYPE_PROBE_REQ >> 4), }, [NL80211_IFTYPE_P2P_CLIENT] = { .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | BIT(IEEE80211_STYPE_PROBE_RESP >> 4), .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | BIT(IEEE80211_STYPE_PROBE_REQ >> 4), }, [NL80211_IFTYPE_P2P_GO] = { .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | BIT(IEEE80211_STYPE_PROBE_RESP >> 4), .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | BIT(IEEE80211_STYPE_PROBE_REQ >> 4), }, }; /* * CFG802.11 operation handler for setting bit rates. * * Function configures data rates to firmware using bitrate mask * provided by cfg80211. */ static int mwifiex_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 mwifiex_private *priv = mwifiex_netdev_get_priv(dev); u16 bitmap_rates[MAX_BITMAP_RATES_SIZE]; enum nl80211_band band; struct mwifiex_adapter *adapter = priv->adapter; if (!priv->media_connected) { mwifiex_dbg(adapter, ERROR, "Can not set Tx data rate in disconnected state\n"); return -EINVAL; } band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); memset(bitmap_rates, 0, sizeof(bitmap_rates)); /* Fill HR/DSSS rates. */ if (band == NL80211_BAND_2GHZ) bitmap_rates[0] = mask->control[band].legacy & 0x000f; /* Fill OFDM 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 rates */ 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 rates */ if (adapter->fw_api_ver == MWIFIEX_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 mwifiex_send_cmd(priv, HostCmd_CMD_TX_RATE_CFG, HostCmd_ACT_GEN_SET, 0, bitmap_rates, true); } /* * CFG802.11 operation handler for connection quality monitoring. * * This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI * events to FW. */ static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy, struct net_device *dev, s32 rssi_thold, u32 rssi_hyst) { struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); struct mwifiex_ds_misc_subsc_evt subsc_evt; priv->cqm_rssi_thold = rssi_thold; priv->cqm_rssi_hyst = rssi_hyst; memset(&subsc_evt, 0x00, sizeof(struct mwifiex_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 = HostCmd_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; return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SUBSCRIBE_EVENT, 0, 0, &subsc_evt, true); } else { subsc_evt.action = HostCmd_ACT_BITWISE_CLR; return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SUBSCRIBE_EVENT, 0, 0, &subsc_evt, true); } return 0; } /* cfg80211 operation handler for change_beacon. * Function retrieves and sets modified management IEs to FW. */ static int mwifiex_cfg80211_change_beacon(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_beacon_data *data) { struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); struct mwifiex_adapter *adapter = priv->adapter; mwifiex_cancel_scan(adapter); if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) { mwifiex_dbg(priv->adapter, ERROR, "%s: bss_type mismatched\n", __func__); return -EINVAL; } if (!priv->bss_started) { mwifiex_dbg(priv->adapter, ERROR, "%s: bss not started\n", __func__); return -EINVAL; } if (mwifiex_set_mgmt_ies(priv, data)) { mwifiex_dbg(priv->adapter, ERROR, "%s: setting mgmt ies failed\n", __func__); return -EFAULT; } return 0; } /* 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 mwifiex_cfg80211_del_station(struct wiphy *wiphy, struct net_device *dev, struct station_del_parameters *params) { struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); struct mwifiex_sta_node *sta_node; u8 deauth_mac[ETH_ALEN]; if (!priv->bss_started && priv->wdev.cac_started) { mwifiex_dbg(priv->adapter, INFO, "%s: abort CAC!\n", __func__); mwifiex_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; mwifiex_dbg(priv->adapter, INFO, "%s: mac address %pM\n", __func__, params->mac); eth_zero_addr(deauth_mac); spin_lock_bh(&priv->sta_list_spinlock); sta_node = mwifiex_get_sta_entry(priv, params->mac); if (sta_node) ether_addr_copy(deauth_mac, params->mac); spin_unlock_bh(&priv->sta_list_spinlock); if (is_valid_ether_addr(deauth_mac)) { if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_STA_DEAUTH, HostCmd_ACT_GEN_SET, 0, deauth_mac, true)) return -1; } return 0; } static int mwifiex_cfg80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) { struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); struct mwifiex_private *priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); struct mwifiex_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 = MWIFIEX_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 = MWIFIEX_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 mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA, HostCmd_ACT_GEN_SET, 0, &ant_cfg, true); } static int mwifiex_cfg80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant) { struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); struct mwifiex_private *priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA, HostCmd_ACT_GEN_GET, 0, NULL, true); *tx_ant = priv->tx_ant; *rx_ant = priv->rx_ant; return 0; } /* cfg80211 operation handler for stop ap. * Function stops BSS running at uAP interface. */ static int mwifiex_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev, unsigned int link_id) { struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); mwifiex_abort_cac(priv); if (mwifiex_del_mgmt_ies(priv)) mwifiex_dbg(priv->adapter, ERROR, "Failed to delete mgmt IEs!\n"); priv->ap_11n_enabled = 0; memset(&priv->bss_cfg, 0, sizeof(priv->bss_cfg)); if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_STOP, HostCmd_ACT_GEN_SET, 0, NULL, true)) { mwifiex_dbg(priv->adapter, ERROR, "Failed to stop the BSS\n"); return -1; } if (mwifiex_send_cmd(priv, HOST_CMD_APCMD_SYS_RESET, HostCmd_ACT_GEN_SET, 0, NULL, true)) { mwifiex_dbg(priv->adapter, ERROR, "Failed to reset BSS\n"); return -1; } if (netif_carrier_ok(priv->netdev)) netif_carrier_off(priv->netdev); mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter); return 0; } /* cfg80211 operation handler for start_ap. * Function sets beacon period, DTIM period, SSID and security into * AP config structure. * AP is configured with these settings and BSS is started. */ static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_ap_settings *params) { struct mwifiex_uap_bss_param *bss_cfg; struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) return -1; bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param), GFP_KERNEL); if (!bss_cfg) return -ENOMEM; mwifiex_set_sys_config_invalid_data(bss_cfg); 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; } switch (params->hidden_ssid) { case NL80211_HIDDEN_SSID_NOT_IN_USE: bss_cfg->bcast_ssid_ctl = 1; break; case NL80211_HIDDEN_SSID_ZERO_LEN: bss_cfg->bcast_ssid_ctl = 0; break; case NL80211_HIDDEN_SSID_ZERO_CONTENTS: bss_cfg->bcast_ssid_ctl = 2; break; default: kfree(bss_cfg); return -EINVAL; } mwifiex_uap_set_channel(priv, bss_cfg, params->chandef); mwifiex_set_uap_rates(bss_cfg, params); if (mwifiex_set_secure_params(priv, bss_cfg, params)) { mwifiex_dbg(priv->adapter, ERROR, "Failed to parse security parameters!\n"); goto out; } mwifiex_set_ht_params(priv, bss_cfg, params); if (priv->adapter->is_hw_11ac_capable) { mwifiex_set_vht_params(priv, bss_cfg, params); mwifiex_set_vht_width(priv, params->chandef.width, priv->ap_11ac_enabled); } if (priv->ap_11ac_enabled) mwifiex_set_11ac_ba_params(priv); else mwifiex_set_ba_params(priv); mwifiex_set_wmm_params(priv, bss_cfg, params); if (mwifiex_is_11h_active(priv)) mwifiex_set_tpc_params(priv, bss_cfg, params); if (mwifiex_is_11h_active(priv) && !cfg80211_chandef_dfs_required(wiphy, ¶ms->chandef, priv->bss_mode)) { mwifiex_dbg(priv->adapter, INFO, "Disable 11h extensions in FW\n"); if (mwifiex_11h_activate(priv, false)) { mwifiex_dbg(priv->adapter, ERROR, "Failed to disable 11h extensions!!"); goto out; } priv->state_11h.is_11h_active = false; } mwifiex_config_uap_11d(priv, ¶ms->beacon); if (mwifiex_config_start_uap(priv, bss_cfg)) { mwifiex_dbg(priv->adapter, ERROR, "Failed to start AP\n"); goto out; } if (mwifiex_set_mgmt_ies(priv, ¶ms->beacon)) goto out; if (!netif_carrier_ok(priv->netdev)) netif_carrier_on(priv->netdev); mwifiex_wake_up_net_dev_queue(priv->netdev, priv->adapter); memcpy(&priv->bss_cfg, bss_cfg, sizeof(priv->bss_cfg)); kfree(bss_cfg); return 0; out: kfree(bss_cfg); return -1; } /* * CFG802.11 operation handler for disconnection request. * * This function does not work when there is already a disconnection * procedure going on. */ static int mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev, u16 reason_code) { struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); if (!mwifiex_stop_bg_scan(priv)) cfg80211_sched_scan_stopped_locked(priv->wdev.wiphy, 0); if (mwifiex_deauthenticate(priv, NULL)) return -EFAULT; eth_zero_addr(priv->cfg_bssid); priv->hs2_enabled = false; return 0; } /* * This function informs the CFG802.11 subsystem of a new IBSS. * * The following information are sent to the CFG802.11 subsystem * to register the new IBSS. If we do not register the new IBSS, * a kernel panic will result. * - SSID * - SSID length * - BSSID * - Channel */ static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv) { struct ieee80211_channel *chan; struct mwifiex_bss_info bss_info; struct cfg80211_bss *bss; int ie_len; u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)]; enum nl80211_band band; if (mwifiex_get_bss_info(priv, &bss_info)) return -1; ie_buf[0] = WLAN_EID_SSID; ie_buf[1] = bss_info.ssid.ssid_len; memcpy(&ie_buf[sizeof(struct ieee_types_header)], &bss_info.ssid.ssid, bss_info.ssid.ssid_len); ie_len = ie_buf[1] + sizeof(struct ieee_types_header); band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); chan = ieee80211_get_channel(priv->wdev.wiphy, ieee80211_channel_to_frequency(bss_info.bss_chan, band)); bss = cfg80211_inform_bss(priv->wdev.wiphy, chan, CFG80211_BSS_FTYPE_UNKNOWN, bss_info.bssid, 0, WLAN_CAPABILITY_IBSS, 0, ie_buf, ie_len, 0, GFP_KERNEL); if (bss) { cfg80211_put_bss(priv->wdev.wiphy, bss); ether_addr_copy(priv->cfg_bssid, bss_info.bssid); } return 0; } /* * This function connects with a BSS. * * This function handles both Infra and Ad-Hoc modes. It also performs * validity checking on the provided parameters, disconnects from the * current BSS (if any), sets up the association/scan parameters, * including security settings, and performs specific SSID scan before * trying to connect. * * For Infra mode, the function returns failure if the specified SSID * is not found in scan table. However, for Ad-Hoc mode, it can create * the IBSS if it does not exist. On successful completion in either case, * the function notifies the CFG802.11 subsystem of the new BSS connection. */ static int mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len, const u8 *ssid, const u8 *bssid, int mode, struct ieee80211_channel *channel, struct cfg80211_connect_params *sme, bool privacy, struct cfg80211_bss **sel_bss) { struct cfg80211_ssid req_ssid; int ret, auth_type = 0; struct cfg80211_bss *bss = NULL; u8 is_scanning_required = 0; memset(&req_ssid, 0, sizeof(struct cfg80211_ssid)); req_ssid.ssid_len = ssid_len; if (ssid_len > IEEE80211_MAX_SSID_LEN) { mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n"); return -EINVAL; } memcpy(req_ssid.ssid, ssid, ssid_len); if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) { mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n"); return -EINVAL; } /* 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 = mwifiex_set_encode(priv, NULL, NULL, 0, 0, NULL, 1); if (mode == NL80211_IFTYPE_ADHOC) { u16 enable = true; /* set ibss coalescing_status */ ret = mwifiex_send_cmd( priv, HostCmd_CMD_802_11_IBSS_COALESCING_STATUS, HostCmd_ACT_GEN_SET, 0, &enable, true); if (ret) return ret; /* "privacy" is set only for ad-hoc mode */ if (privacy) { /* * Keep WLAN_CIPHER_SUITE_WEP104 for now so that * the firmware can find a matching network from the * scan. The cfg80211 does not give us the encryption * mode at this stage so just setting it to WEP here. */ priv->sec_info.encryption_mode = WLAN_CIPHER_SUITE_WEP104; priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM; } goto done; } /* Now handle infra mode. "sme" is valid for infra mode only */ if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) { auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM; priv->sec_info.is_authtype_auto = 1; } else { auth_type = sme->auth_type; } if (sme->crypto.n_ciphers_pairwise) { priv->sec_info.encryption_mode = sme->crypto.ciphers_pairwise[0]; priv->sec_info.authentication_mode = auth_type; } if (sme->crypto.cipher_group) { priv->sec_info.encryption_mode = sme->crypto.cipher_group; priv->sec_info.authentication_mode = auth_type; } if (sme->ie) ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len); if (sme->key) { if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) { mwifiex_dbg(priv->adapter, INFO, "info: setting wep encryption\t" "with key len %d\n", sme->key_len); priv->wep_key_curr_index = sme->key_idx; ret = mwifiex_set_encode(priv, NULL, sme->key, sme->key_len, sme->key_idx, NULL, 0); } } done: /* * Scan entries are valid for some time (15 sec). So we can save one * active scan time if we just try cfg80211_get_bss first. If it fails * then request scan and cfg80211_get_bss() again for final output. */ while (1) { if (is_scanning_required) { /* Do specific SSID scanning */ if (mwifiex_request_scan(priv, &req_ssid)) { mwifiex_dbg(priv->adapter, ERROR, "scan error\n"); return -EFAULT; } } /* Find the BSS we want using available scan results */ if (mode == NL80211_IFTYPE_ADHOC) bss = cfg80211_get_bss(priv->wdev.wiphy, channel, bssid, ssid, ssid_len, IEEE80211_BSS_TYPE_IBSS, IEEE80211_PRIVACY_ANY); else bss = cfg80211_get_bss(priv->wdev.wiphy, channel, bssid, ssid, ssid_len, IEEE80211_BSS_TYPE_ESS, IEEE80211_PRIVACY_ANY); if (!bss) { if (is_scanning_required) { mwifiex_dbg(priv->adapter, MSG, "assoc: requested bss not found in scan results\n"); break; } is_scanning_required = 1; } else { mwifiex_dbg(priv->adapter, MSG, "info: trying to associate to bssid %pM\n", bss->bssid); memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN); break; } } if (bss) cfg80211_ref_bss(priv->adapter->wiphy, bss); ret = mwifiex_bss_start(priv, bss, &req_ssid); if (ret) goto cleanup; if (mode == NL80211_IFTYPE_ADHOC) { /* Inform the BSS information to kernel, otherwise * kernel will give a panic after successful assoc */ if (mwifiex_cfg80211_inform_ibss_bss(priv)) { ret = -EFAULT; goto cleanup; } } /* Pass the selected BSS entry to caller. */ if (sel_bss) { *sel_bss = bss; bss = NULL; } cleanup: if (bss) cfg80211_put_bss(priv->adapter->wiphy, bss); return ret; } /* * CFG802.11 operation handler for association request. * * This function does not work when the current mode is set to Ad-Hoc, or * when there is already an association procedure going on. The given BSS * information is used to associate. */ static int mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_connect_params *sme) { struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); struct mwifiex_adapter *adapter = priv->adapter; struct cfg80211_bss *bss = NULL; int ret; if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA) { mwifiex_dbg(adapter, ERROR, "%s: reject infra assoc request in non-STA role\n", dev->name); return -EINVAL; } if (priv->wdev.connected) { mwifiex_dbg(adapter, ERROR, "%s: already connected\n", dev->name); return -EALREADY; } if (priv->scan_block) priv->scan_block = false; if (test_bit(MWIFIEX_SURPRISE_REMOVED, &adapter->work_flags) || test_bit(MWIFIEX_IS_CMD_TIMEDOUT, &adapter->work_flags)) { mwifiex_dbg(adapter, ERROR, "%s: Ignore connection.\t" "Card removed or FW in bad state\n", dev->name); return -EFAULT; } mwifiex_dbg(adapter, INFO, "info: Trying to associate to bssid %pM\n", sme->bssid); if (!mwifiex_stop_bg_scan(priv)) cfg80211_sched_scan_stopped_locked(priv->wdev.wiphy, 0); ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid, priv->bss_mode, sme->channel, sme, 0, &bss); if (!ret) { cfg80211_connect_bss(priv->netdev, priv->cfg_bssid, bss, NULL, 0, NULL, 0, WLAN_STATUS_SUCCESS, GFP_KERNEL, NL80211_TIMEOUT_UNSPECIFIED); mwifiex_dbg(priv->adapter, MSG, "info: associated to bssid %pM successfully\n", priv->cfg_bssid); if (ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info) && priv->adapter->auto_tdls && priv->bss_type == MWIFIEX_BSS_TYPE_STA) mwifiex_setup_auto_tdls_timer(priv); } else { mwifiex_dbg(priv->adapter, ERROR, "info: association to bssid %pM failed\n", priv->cfg_bssid); eth_zero_addr(priv->cfg_bssid); if (ret > 0) cfg80211_connect_result(priv->netdev, priv->cfg_bssid, NULL, 0, NULL, 0, ret, GFP_KERNEL); else cfg80211_connect_result(priv->netdev, priv->cfg_bssid, NULL, 0, NULL, 0, WLAN_STATUS_UNSPECIFIED_FAILURE, GFP_KERNEL); } return 0; } /* * This function sets following parameters for ibss network. * - channel * - start band * - 11n flag * - secondary channel offset */ static int mwifiex_set_ibss_params(struct mwifiex_private *priv, struct cfg80211_ibss_params *params) { struct mwifiex_adapter *adapter = priv->adapter; int index = 0, i; u8 config_bands = 0; if (params->chandef.chan->band == NL80211_BAND_2GHZ) { if (!params->basic_rates) { config_bands = BAND_B | BAND_G; } else { for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) { /* * Rates below 6 Mbps in the table are CCK * rates; 802.11b and from 6 they are OFDM; * 802.11G */ if (mwifiex_rates[i].bitrate == 60) { index = 1 << i; break; } } if (params->basic_rates < index) { config_bands = BAND_B; } else { config_bands = BAND_G; if (params->basic_rates % index) config_bands |= BAND_B; } } if (cfg80211_get_chandef_type(¶ms->chandef) != NL80211_CHAN_NO_HT) config_bands |= BAND_G | BAND_GN; } else { if (cfg80211_get_chandef_type(¶ms->chandef) == NL80211_CHAN_NO_HT) config_bands = BAND_A; else config_bands = BAND_AN | BAND_A; } if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands)) { adapter->config_bands = config_bands; adapter->adhoc_start_band = config_bands; if ((config_bands & BAND_GN) || (config_bands & BAND_AN)) adapter->adhoc_11n_enabled = true; else adapter->adhoc_11n_enabled = false; } adapter->sec_chan_offset = mwifiex_chan_type_to_sec_chan_offset( cfg80211_get_chandef_type(¶ms->chandef)); priv->adhoc_channel = ieee80211_frequency_to_channel( params->chandef.chan->center_freq); mwifiex_dbg(adapter, INFO, "info: set ibss band %d, chan %d, chan offset %d\n", config_bands, priv->adhoc_channel, adapter->sec_chan_offset); return 0; } /* * CFG802.11 operation handler to join an IBSS. * * This function does not work in any mode other than Ad-Hoc, or if * a join operation is already in progress. */ static int mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_ibss_params *params) { struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); int ret = 0; if (priv->bss_mode != NL80211_IFTYPE_ADHOC) { mwifiex_dbg(priv->adapter, ERROR, "request to join ibss received\t" "when station is not in ibss mode\n"); goto done; } mwifiex_dbg(priv->adapter, MSG, "info: trying to join to bssid %pM\n", params->bssid); mwifiex_set_ibss_params(priv, params); ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid, params->bssid, priv->bss_mode, params->chandef.chan, NULL, params->privacy, NULL); done: if (!ret) { cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid, params->chandef.chan, GFP_KERNEL); mwifiex_dbg(priv->adapter, MSG, "info: joined/created adhoc network with bssid\t" "%pM successfully\n", priv->cfg_bssid); } else { mwifiex_dbg(priv->adapter, ERROR, "info: failed creating/joining adhoc network\n"); } return ret; } /* * CFG802.11 operation handler to leave an IBSS. * * This function does not work if a leave operation is * already in progress. */ static int mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) { struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); mwifiex_dbg(priv->adapter, MSG, "info: disconnecting from essid %pM\n", priv->cfg_bssid); if (mwifiex_deauthenticate(priv, NULL)) return -EFAULT; eth_zero_addr(priv->cfg_bssid); return 0; } /* * CFG802.11 operation handler for scan request. * * This function issues a scan request to the firmware based upon * the user specified scan configuration. On successful completion, * it also informs the results. */ static int mwifiex_cfg80211_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request) { struct net_device *dev = request->wdev->netdev; struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); int i, offset, ret; struct ieee80211_channel *chan; struct ieee_types_header *ie; struct mwifiex_user_scan_cfg *user_scan_cfg; u8 mac_addr[ETH_ALEN]; mwifiex_dbg(priv->adapter, CMD, "info: received scan request on %s\n", dev->name); /* Block scan request if scan operation or scan cleanup when interface * is disabled is in process */ if (priv->scan_request || priv->scan_aborting) { mwifiex_dbg(priv->adapter, WARN, "cmd: Scan already in process..\n"); return -EBUSY; } if (!priv->wdev.connected && priv->scan_block) priv->scan_block = false; if (!mwifiex_stop_bg_scan(priv)) cfg80211_sched_scan_stopped_locked(priv->wdev.wiphy, 0); user_scan_cfg = kzalloc(sizeof(*user_scan_cfg), GFP_KERNEL); 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 < MWIFIEX_MAX_VSIE_NUM; i++) { if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR) continue; priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_SCAN; ie = (struct ieee_types_header *)(request->ie + offset); memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len); offset += sizeof(*ie) + ie->len; if (offset >= request->ie_len) break; } } for (i = 0; i < min_t(u32, request->n_channels, MWIFIEX_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 = MWIFIEX_SCAN_TYPE_PASSIVE; else user_scan_cfg->chan_list[i].scan_type = MWIFIEX_SCAN_TYPE_ACTIVE; user_scan_cfg->chan_list[i].scan_time = 0; } if (priv->adapter->scan_chan_gap_enabled && mwifiex_is_any_intf_active(priv)) user_scan_cfg->scan_chan_gap = priv->adapter->scan_chan_gap_time; ret = mwifiex_scan_networks(priv, user_scan_cfg); kfree(user_scan_cfg); if (ret) { mwifiex_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 < MWIFIEX_MAX_VSIE_NUM; i++) { if (priv->vs_ie[i].mask == MWIFIEX_VSIE_MASK_SCAN) { priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_CLEAR; memset(&priv->vs_ie[i].ie, 0, MWIFIEX_MAX_VSIE_LEN); } } } return 0; } /* CFG802.11 operation handler for sched_scan_start. * * This function issues a bgscan config request to the firmware based upon * the user specified sched_scan configuration. On successful completion, * firmware will generate BGSCAN_REPORT event, driver should issue bgscan * query command to get sched_scan results from firmware. */ static int mwifiex_cfg80211_sched_scan_start(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_sched_scan_request *request) { struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); int i, offset; struct ieee80211_channel *chan; struct mwifiex_bg_scan_cfg *bgscan_cfg; struct ieee_types_header *ie; 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(sizeof(*bgscan_cfg), GFP_KERNEL); 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 < MWIFIEX_MAX_VSIE_NUM; i++) { if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR) continue; priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_BGSCAN; ie = (struct ieee_types_header *)(request->ie + offset); memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len); offset += sizeof(*ie) + ie->len; if (offset >= request->ie_len) break; } } for (i = 0; i < min_t(u32, request->n_channels, MWIFIEX_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 = MWIFIEX_SCAN_TYPE_PASSIVE; else bgscan_cfg->chan_list[i].scan_type = MWIFIEX_SCAN_TYPE_ACTIVE; bgscan_cfg->chan_list[i].scan_time = 0; } bgscan_cfg->chan_per_scan = min_t(u32, request->n_channels, MWIFIEX_BG_SCAN_CHAN_MAX); /* Use at least 15 second for per scan cycle */ bgscan_cfg->scan_interval = (request->scan_plans->interval > MWIFIEX_BGSCAN_INTERVAL) ? request->scan_plans->interval : MWIFIEX_BGSCAN_INTERVAL; bgscan_cfg->repeat_count = MWIFIEX_BGSCAN_REPEAT_COUNT; bgscan_cfg->report_condition = MWIFIEX_BGSCAN_SSID_MATCH | MWIFIEX_BGSCAN_WAIT_ALL_CHAN_DONE; bgscan_cfg->bss_type = MWIFIEX_BSS_MODE_INFRA; bgscan_cfg->action = MWIFIEX_BGSCAN_ACT_SET; bgscan_cfg->enable = true; if (request->min_rssi_thold != NL80211_SCAN_RSSI_THOLD_OFF) { bgscan_cfg->report_condition |= MWIFIEX_BGSCAN_SSID_RSSI_MATCH; bgscan_cfg->rssi_threshold = request->min_rssi_thold; } if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_BG_SCAN_CONFIG, HostCmd_ACT_GEN_SET, 0, bgscan_cfg, true)) { kfree(bgscan_cfg); return -EFAULT; } priv->sched_scanning = true; kfree(bgscan_cfg); return 0; } /* CFG802.11 operation handler for sched_scan_stop. * * This function issues a bgscan config command to disable * previous bgscan configuration in the firmware */ static int mwifiex_cfg80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev, u64 reqid) { struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); wiphy_info(wiphy, "sched scan stop!"); mwifiex_stop_bg_scan(priv); return 0; } static void mwifiex_setup_vht_caps(struct ieee80211_sta_vht_cap *vht_info, struct mwifiex_private *priv) { struct mwifiex_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; } /* * This function sets up the CFG802.11 specific HT capability fields * with default values. * * The following default values are set - * - HT Supported = True * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE * - HT Capabilities supported by firmware * - MCS information, Rx mask = 0xff * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01) */ static void mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info, struct mwifiex_private *priv) { int rx_mcs_supp; struct ieee80211_mcs_info mcs_set; u8 *mcs = (u8 *)&mcs_set; struct mwifiex_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; } /* * create a new virtual interface with the given name and name assign type */ struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy, const char *name, unsigned char name_assign_type, enum nl80211_iftype type, struct vif_params *params) { struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); struct mwifiex_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: case NL80211_IFTYPE_ADHOC: if (adapter->curr_iface_comb.sta_intf == adapter->iface_limit.sta_intf) { mwifiex_dbg(adapter, ERROR, "cannot create multiple sta/adhoc ifaces\n"); return ERR_PTR(-EINVAL); } priv = mwifiex_get_unused_priv_by_bss_type( adapter, MWIFIEX_BSS_TYPE_STA); if (!priv) { mwifiex_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 = MWIFIEX_BSS_TYPE_STA; priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; priv->bss_priority = 0; priv->bss_role = MWIFIEX_BSS_ROLE_STA; break; case NL80211_IFTYPE_AP: if (adapter->curr_iface_comb.uap_intf == adapter->iface_limit.uap_intf) { mwifiex_dbg(adapter, ERROR, "cannot create multiple AP ifaces\n"); return ERR_PTR(-EINVAL); } priv = mwifiex_get_unused_priv_by_bss_type( adapter, MWIFIEX_BSS_TYPE_UAP); if (!priv) { mwifiex_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 = MWIFIEX_BSS_TYPE_UAP; priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; priv->bss_priority = 0; priv->bss_role = MWIFIEX_BSS_ROLE_UAP; priv->bss_started = 0; priv->bss_mode = type; break; case NL80211_IFTYPE_P2P_CLIENT: if (adapter->curr_iface_comb.p2p_intf == adapter->iface_limit.p2p_intf) { mwifiex_dbg(adapter, ERROR, "cannot create multiple P2P ifaces\n"); return ERR_PTR(-EINVAL); } priv = mwifiex_get_unused_priv_by_bss_type( adapter, MWIFIEX_BSS_TYPE_P2P); if (!priv) { mwifiex_dbg(adapter, ERROR, "could not get free private struct\n"); return ERR_PTR(-EFAULT); } priv->wdev.wiphy = wiphy; /* At start-up, wpa_supplicant tries to change the interface * to NL80211_IFTYPE_STATION if it is not managed mode. */ priv->wdev.iftype = NL80211_IFTYPE_P2P_CLIENT; priv->bss_mode = NL80211_IFTYPE_P2P_CLIENT; /* Setting bss_type to P2P tells firmware that this interface * is receiving P2P peers found during find phase and doing * action frame handshake. */ priv->bss_type = MWIFIEX_BSS_TYPE_P2P; priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; priv->bss_priority = 0; priv->bss_role = MWIFIEX_BSS_ROLE_STA; priv->bss_started = 0; if (mwifiex_cfg80211_init_p2p_client(priv)) { memset(&priv->wdev, 0, sizeof(priv->wdev)); priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; return ERR_PTR(-EFAULT); } break; default: mwifiex_dbg(adapter, ERROR, "type not supported\n"); return ERR_PTR(-EINVAL); } dev = alloc_netdev_mqs(sizeof(struct mwifiex_private *), name, name_assign_type, ether_setup, IEEE80211_NUM_ACS, 1); if (!dev) { mwifiex_dbg(adapter, ERROR, "no memory available for netdevice\n"); ret = -ENOMEM; goto err_alloc_netdev; } mwifiex_init_priv_params(priv, dev); priv->netdev = dev; if (!adapter->mfg_mode) { mwifiex_set_mac_address(priv, dev, false, NULL); ret = mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, HostCmd_ACT_GEN_SET, 0, NULL, true); if (ret) goto err_set_bss_mode; ret = mwifiex_sta_init_cmd(priv, false, false); if (ret) goto err_sta_init; } mwifiex_setup_ht_caps(&wiphy->bands[NL80211_BAND_2GHZ]->ht_cap, priv); if (adapter->is_hw_11ac_capable) mwifiex_setup_vht_caps( &wiphy->bands[NL80211_BAND_2GHZ]->vht_cap, priv); if (adapter->config_bands & BAND_A) mwifiex_setup_ht_caps( &wiphy->bands[NL80211_BAND_5GHZ]->ht_cap, priv); if ((adapter->config_bands & BAND_A) && adapter->is_hw_11ac_capable) mwifiex_setup_vht_caps( &wiphy->bands[NL80211_BAND_5GHZ]->vht_cap, priv); 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 = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT; dev->needed_headroom = MWIFIEX_MIN_DATA_HEADER_LEN; dev->ethtool_ops = &mwifiex_ethtool_ops; mdev_priv = netdev_priv(dev); *((unsigned long *) mdev_priv) = (unsigned long) priv; SET_NETDEV_DEV(dev, adapter->dev); priv->dfs_cac_workqueue = alloc_workqueue("MWIFIEX_DFS_CAC%s", WQ_HIGHPRI | WQ_MEM_RECLAIM | WQ_UNBOUND, 1, name); if (!priv->dfs_cac_workqueue) { mwifiex_dbg(adapter, ERROR, "cannot alloc DFS CAC queue\n"); ret = -ENOMEM; goto err_alloc_cac; } INIT_DELAYED_WORK(&priv->dfs_cac_work, mwifiex_dfs_cac_work_queue); priv->dfs_chan_sw_workqueue = alloc_workqueue("MWIFIEX_DFS_CHSW%s", WQ_HIGHPRI | WQ_UNBOUND | WQ_MEM_RECLAIM, 1, name); if (!priv->dfs_chan_sw_workqueue) { mwifiex_dbg(adapter, ERROR, "cannot alloc DFS channel sw queue\n"); ret = -ENOMEM; goto err_alloc_chsw; } INIT_DELAYED_WORK(&priv->dfs_chan_sw_work, mwifiex_dfs_chan_sw_work_queue); mutex_init(&priv->async_mutex); /* Register network device */ if (cfg80211_register_netdevice(dev)) { mwifiex_dbg(adapter, ERROR, "cannot register network device\n"); ret = -EFAULT; goto err_reg_netdev; } mwifiex_dbg(adapter, INFO, "info: %s: Marvell 802.11 Adapter\n", dev->name); #ifdef CONFIG_DEBUG_FS mwifiex_dev_debugfs_init(priv); #endif update_vif_type_counter(adapter, type, +1); return &priv->wdev; err_reg_netdev: destroy_workqueue(priv->dfs_chan_sw_workqueue); priv->dfs_chan_sw_workqueue = NULL; err_alloc_chsw: destroy_workqueue(priv->dfs_cac_workqueue); priv->dfs_cac_workqueue = NULL; err_alloc_cac: 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(mwifiex_add_virtual_intf); /* * del_virtual_intf: remove the virtual interface determined by dev */ int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev) { struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); struct mwifiex_adapter *adapter = priv->adapter; struct sk_buff *skb, *tmp; #ifdef CONFIG_DEBUG_FS mwifiex_dev_debugfs_remove(priv); #endif if (priv->sched_scanning) priv->sched_scanning = false; mwifiex_stop_net_dev_queue(priv->netdev, adapter); skb_queue_walk_safe(&priv->bypass_txq, skb, tmp) { skb_unlink(skb, &priv->bypass_txq); mwifiex_write_data_complete(priv->adapter, skb, 0, -1); } if (netif_carrier_ok(priv->netdev)) netif_carrier_off(priv->netdev); if (wdev->netdev->reg_state == NETREG_REGISTERED) cfg80211_unregister_netdevice(wdev->netdev); if (priv->dfs_cac_workqueue) { destroy_workqueue(priv->dfs_cac_workqueue); priv->dfs_cac_workqueue = NULL; } if (priv->dfs_chan_sw_workqueue) { destroy_workqueue(priv->dfs_chan_sw_workqueue); priv->dfs_chan_sw_workqueue = NULL; } /* 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) == MWIFIEX_BSS_ROLE_STA || GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) kfree(priv->hist_data); return 0; } EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf); static bool mwifiex_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 mwifiex_set_auto_arp_mef_entry(struct mwifiex_private *priv, struct mwifiex_mef_entry *mef_entry) { int i, filt_num = 0, num_ipv4 = 0; struct in_device *in_dev; struct in_ifaddr *ifa; __be32 ips[MWIFIEX_MAX_SUPPORTED_IPADDR]; struct mwifiex_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 < MWIFIEX_MAX_BSS_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[MWIFIEX_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[MWIFIEX_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 mwifiex_set_wowlan_mef_entry(struct mwifiex_private *priv, struct mwifiex_ds_mef_cfg *mef_cfg, struct mwifiex_mef_entry *mef_entry, struct cfg80211_wowlan *wowlan) { int i, filt_num = 0, ret = 0; bool first_pat = true; u8 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ + 1]; static const u8 ipv4_mc_mac[] = {0x33, 0x33}; static const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e}; 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 (!mwifiex_is_pattern_supported(&wowlan->patterns[i], byte_seq, MWIFIEX_MEF_MAX_BYTESEQ)) { mwifiex_dbg(priv->adapter, ERROR, "Pattern not supported\n"); return -EOPNOTSUPP; } if (!wowlan->patterns[i].pkt_offset) { if (!(byte_seq[0] & 0x01) && (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 1)) { mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST; continue; } else if (is_broadcast_ether_addr(byte_seq)) { mef_cfg->criteria |= MWIFIEX_CRITERIA_BROADCAST; continue; } else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) && (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 2)) || (!memcmp(byte_seq, ipv6_mc_mac, 3) && (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 3))) { mef_cfg->criteria |= MWIFIEX_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; mwifiex_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 |= MWIFIEX_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[MWIFIEX_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[MWIFIEX_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; mwifiex_dbg(priv->adapter, INFO, "Wake on magic packet\n"); } return ret; } static int mwifiex_set_mef_filter(struct mwifiex_private *priv, struct cfg80211_wowlan *wowlan) { int ret = 0, num_entries = 1; struct mwifiex_ds_mef_cfg mef_cfg; struct mwifiex_mef_entry *mef_entry; if (wowlan->n_patterns || wowlan->magic_pkt) num_entries++; mef_entry = kcalloc(num_entries, sizeof(*mef_entry), GFP_KERNEL); if (!mef_entry) return -ENOMEM; memset(&mef_cfg, 0, sizeof(mef_cfg)); mef_cfg.criteria |= MWIFIEX_CRITERIA_BROADCAST | MWIFIEX_CRITERIA_UNICAST; mef_cfg.num_entries = num_entries; mef_cfg.mef_entry = mef_entry; mwifiex_set_auto_arp_mef_entry(priv, &mef_entry[0]); if (wowlan->n_patterns || wowlan->magic_pkt) { ret = mwifiex_set_wowlan_mef_entry(priv, &mef_cfg, &mef_entry[1], wowlan); if (ret) goto err; } if (!mef_cfg.criteria) mef_cfg.criteria = MWIFIEX_CRITERIA_BROADCAST | MWIFIEX_CRITERIA_UNICAST | MWIFIEX_CRITERIA_MULTICAST; ret = mwifiex_send_cmd(priv, HostCmd_CMD_MEF_CFG, HostCmd_ACT_GEN_SET, 0, &mef_cfg, true); err: kfree(mef_entry); return ret; } static int mwifiex_cfg80211_suspend(struct wiphy *wiphy, struct cfg80211_wowlan *wowlan) { struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); struct mwifiex_ds_hs_cfg hs_cfg; int i, ret = 0, retry_num = 10; struct mwifiex_private *priv; struct mwifiex_private *sta_priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA); sta_priv->scan_aborting = true; for (i = 0; i < adapter->priv_num; i++) { priv = adapter->priv[i]; mwifiex_abort_cac(priv); } mwifiex_cancel_all_pending_cmd(adapter); for (i = 0; i < adapter->priv_num; i++) { priv = adapter->priv[i]; if (priv && priv->netdev) netif_device_detach(priv->netdev); } for (i = 0; i < retry_num; i++) { if (!mwifiex_wmm_lists_empty(adapter) || !mwifiex_bypass_txlist_empty(adapter) || !skb_queue_empty(&adapter->tx_data_q)) usleep_range(10000, 15000); else break; } if (!wowlan) { mwifiex_dbg(adapter, INFO, "None of the WOWLAN triggers enabled\n"); ret = 0; goto done; } if (!sta_priv->media_connected && !wowlan->nd_config) { mwifiex_dbg(adapter, ERROR, "Can not configure WOWLAN in disconnected state\n"); ret = 0; goto done; } ret = mwifiex_set_mef_filter(sta_priv, wowlan); if (ret) { mwifiex_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) { mwifiex_dbg(adapter, INFO, "Wake on net detect\n"); hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT; mwifiex_cfg80211_sched_scan_start(wiphy, sta_priv->netdev, wowlan->nd_config); } if (wowlan->disconnect) { hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT; mwifiex_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 = mwifiex_set_hs_params(sta_priv, HostCmd_ACT_GEN_SET, MWIFIEX_SYNC_CMD, &hs_cfg); if (ret) mwifiex_dbg(adapter, ERROR, "Failed to set HS params\n"); done: sta_priv->scan_aborting = false; return ret; } static int mwifiex_cfg80211_resume(struct wiphy *wiphy) { struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); struct mwifiex_private *priv; struct mwifiex_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 && priv->netdev) netif_device_attach(priv->netdev); } if (!wiphy->wowlan_config) goto done; priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA); mwifiex_get_wakeup_reason(priv, HostCmd_ACT_GEN_GET, MWIFIEX_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 mwifiex_cfg80211_set_wakeup(struct wiphy *wiphy, bool enabled) { struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); device_set_wakeup_enable(adapter->dev, enabled); } static int mwifiex_set_rekey_data(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_gtk_rekey_data *data) { struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); if (!ISSUPP_FIRMWARE_SUPPLICANT(priv->adapter->fw_cap_info)) return -EOPNOTSUPP; return mwifiex_send_cmd(priv, HostCmd_CMD_GTK_REKEY_OFFLOAD_CFG, HostCmd_ACT_GEN_SET, 0, data, true); } #endif static int mwifiex_get_coalesce_pkt_type(u8 *byte_seq) { static const u8 ipv4_mc_mac[] = {0x33, 0x33}; static const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e}; static const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff}; if ((byte_seq[0] & 0x01) && (byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 1)) return PACKET_TYPE_UNICAST; else if (!memcmp(byte_seq, bc_mac, 4)) return PACKET_TYPE_BROADCAST; else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) && byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 2) || (!memcmp(byte_seq, ipv6_mc_mac, 3) && byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 3)) return PACKET_TYPE_MULTICAST; return 0; } static int mwifiex_fill_coalesce_rule_info(struct mwifiex_private *priv, struct cfg80211_coalesce_rules *crule, struct mwifiex_coalesce_rule *mrule) { u8 byte_seq[MWIFIEX_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 (!mwifiex_is_pattern_supported(&crule->patterns[i], byte_seq, MWIFIEX_COALESCE_MAX_BYTESEQ)) { mwifiex_dbg(priv->adapter, ERROR, "Pattern not supported\n"); return -EOPNOTSUPP; } if (!crule->patterns[i].pkt_offset) { u8 pkt_type; pkt_type = mwifiex_get_coalesce_pkt_type(byte_seq); if (pkt_type && mrule->pkt_type) { mwifiex_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[MWIFIEX_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) { mwifiex_dbg(priv->adapter, ERROR, "Packet type can not be determined\n"); return -EOPNOTSUPP; } return 0; } static int mwifiex_cfg80211_set_coalesce(struct wiphy *wiphy, struct cfg80211_coalesce *coalesce) { struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); int i, ret; struct mwifiex_ds_coalesce_cfg coalesce_cfg; struct mwifiex_private *priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA); memset(&coalesce_cfg, 0, sizeof(coalesce_cfg)); if (!coalesce) { mwifiex_dbg(adapter, WARN, "Disable coalesce and reset all previous rules\n"); return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG, HostCmd_ACT_GEN_SET, 0, &coalesce_cfg, true); } coalesce_cfg.num_of_rules = coalesce->n_rules; for (i = 0; i < coalesce->n_rules; i++) { ret = mwifiex_fill_coalesce_rule_info(priv, &coalesce->rules[i], &coalesce_cfg.rule[i]); if (ret) { mwifiex_dbg(adapter, ERROR, "Recheck the patterns provided for rule %d\n", i + 1); return ret; } } return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG, HostCmd_ACT_GEN_SET, 0, &coalesce_cfg, true); } /* cfg80211 ops handler for tdls_mgmt. * Function prepares TDLS action frame packets and forwards them to FW */ static int mwifiex_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, const u8 *peer, u8 action_code, u8 dialog_token, u16 status_code, u32 peer_capability, bool initiator, const u8 *extra_ies, size_t extra_ies_len) { struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); int ret; if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS)) return -EOPNOTSUPP; /* make sure we are in station mode and connected */ if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected)) return -EOPNOTSUPP; switch (action_code) { case WLAN_TDLS_SETUP_REQUEST: mwifiex_dbg(priv->adapter, MSG, "Send TDLS Setup Request to %pM status_code=%d\n", peer, status_code); mwifiex_add_auto_tdls_peer(priv, peer); ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, dialog_token, status_code, extra_ies, extra_ies_len); break; case WLAN_TDLS_SETUP_RESPONSE: mwifiex_add_auto_tdls_peer(priv, peer); mwifiex_dbg(priv->adapter, MSG, "Send TDLS Setup Response to %pM status_code=%d\n", peer, status_code); ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, dialog_token, status_code, extra_ies, extra_ies_len); break; case WLAN_TDLS_SETUP_CONFIRM: mwifiex_dbg(priv->adapter, MSG, "Send TDLS Confirm to %pM status_code=%d\n", peer, status_code); ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, dialog_token, status_code, extra_ies, extra_ies_len); break; case WLAN_TDLS_TEARDOWN: mwifiex_dbg(priv->adapter, MSG, "Send TDLS Tear down to %pM\n", peer); ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, dialog_token, status_code, extra_ies, extra_ies_len); break; case WLAN_TDLS_DISCOVERY_REQUEST: mwifiex_dbg(priv->adapter, MSG, "Send TDLS Discovery Request to %pM\n", peer); ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, dialog_token, status_code, extra_ies, extra_ies_len); break; case WLAN_PUB_ACTION_TDLS_DISCOVER_RES: mwifiex_dbg(priv->adapter, MSG, "Send TDLS Discovery Response to %pM\n", peer); ret = mwifiex_send_tdls_action_frame(priv, peer, action_code, dialog_token, status_code, extra_ies, extra_ies_len); break; default: mwifiex_dbg(priv->adapter, ERROR, "Unknown TDLS mgmt/action frame %pM\n", peer); ret = -EINVAL; break; } return ret; } static int mwifiex_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, const u8 *peer, enum nl80211_tdls_operation action) { struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS) || !(wiphy->flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP)) return -EOPNOTSUPP; /* make sure we are in station mode and connected */ if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected)) return -EOPNOTSUPP; mwifiex_dbg(priv->adapter, MSG, "TDLS peer=%pM, oper=%d\n", peer, action); switch (action) { case NL80211_TDLS_ENABLE_LINK: action = MWIFIEX_TDLS_ENABLE_LINK; break; case NL80211_TDLS_DISABLE_LINK: action = MWIFIEX_TDLS_DISABLE_LINK; break; case NL80211_TDLS_TEARDOWN: /* shouldn't happen!*/ mwifiex_dbg(priv->adapter, ERROR, "tdls_oper: teardown from driver not supported\n"); return -EINVAL; case NL80211_TDLS_SETUP: /* shouldn't happen!*/ mwifiex_dbg(priv->adapter, ERROR, "tdls_oper: setup from driver not supported\n"); return -EINVAL; case NL80211_TDLS_DISCOVERY_REQ: /* shouldn't happen!*/ mwifiex_dbg(priv->adapter, ERROR, "tdls_oper: discovery from driver not supported\n"); return -EINVAL; default: mwifiex_dbg(priv->adapter, ERROR, "tdls_oper: operation not supported\n"); return -EOPNOTSUPP; } return mwifiex_tdls_oper(priv, peer, action); } static int mwifiex_cfg80211_tdls_chan_switch(struct wiphy *wiphy, struct net_device *dev, const u8 *addr, u8 oper_class, struct cfg80211_chan_def *chandef) { struct mwifiex_sta_node *sta_ptr; u16 chan; u8 second_chan_offset, band; struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); spin_lock_bh(&priv->sta_list_spinlock); sta_ptr = mwifiex_get_sta_entry(priv, addr); if (!sta_ptr) { spin_unlock_bh(&priv->sta_list_spinlock); wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n", __func__, addr); return -ENOENT; } if (!(sta_ptr->tdls_cap.extcap.ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)) { spin_unlock_bh(&priv->sta_list_spinlock); wiphy_err(wiphy, "%pM do not support tdls cs\n", addr); return -ENOENT; } if (sta_ptr->tdls_status == TDLS_CHAN_SWITCHING || sta_ptr->tdls_status == TDLS_IN_OFF_CHAN) { spin_unlock_bh(&priv->sta_list_spinlock); wiphy_err(wiphy, "channel switch is running, abort request\n"); return -EALREADY; } spin_unlock_bh(&priv->sta_list_spinlock); chan = chandef->chan->hw_value; second_chan_offset = mwifiex_get_sec_chan_offset(chan); band = chandef->chan->band; mwifiex_start_tdls_cs(priv, addr, chan, second_chan_offset, band); return 0; } static void mwifiex_cfg80211_tdls_cancel_chan_switch(struct wiphy *wiphy, struct net_device *dev, const u8 *addr) { struct mwifiex_sta_node *sta_ptr; struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); spin_lock_bh(&priv->sta_list_spinlock); sta_ptr = mwifiex_get_sta_entry(priv, addr); if (!sta_ptr) { spin_unlock_bh(&priv->sta_list_spinlock); wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n", __func__, addr); } else if (!(sta_ptr->tdls_status == TDLS_CHAN_SWITCHING || sta_ptr->tdls_status == TDLS_IN_BASE_CHAN || sta_ptr->tdls_status == TDLS_IN_OFF_CHAN)) { spin_unlock_bh(&priv->sta_list_spinlock); wiphy_err(wiphy, "tdls chan switch not initialize by %pM\n", addr); } else { spin_unlock_bh(&priv->sta_list_spinlock); mwifiex_stop_tdls_cs(priv, addr); } } static int mwifiex_cfg80211_add_station(struct wiphy *wiphy, struct net_device *dev, const u8 *mac, struct station_parameters *params) { struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) return -EOPNOTSUPP; /* make sure we are in station mode and connected */ if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected) return -EOPNOTSUPP; return mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CREATE_LINK); } static int mwifiex_cfg80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_csa_settings *params) { struct ieee_types_header *chsw_ie; struct ieee80211_channel_sw_ie *channel_sw; int chsw_msec; struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); if (priv->adapter->scan_processing) { mwifiex_dbg(priv->adapter, ERROR, "radar detection: scan in process...\n"); return -EBUSY; } if (priv->wdev.cac_started) return -EBUSY; if (cfg80211_chandef_identical(¶ms->chandef, &priv->dfs_chandef)) return -EINVAL; chsw_ie = (void *)cfg80211_find_ie(WLAN_EID_CHANNEL_SWITCH, params->beacon_csa.tail, params->beacon_csa.tail_len); if (!chsw_ie) { mwifiex_dbg(priv->adapter, ERROR, "Could not parse channel switch announcement IE\n"); return -EINVAL; } channel_sw = (void *)(chsw_ie + 1); if (channel_sw->mode) { if (netif_carrier_ok(priv->netdev)) netif_carrier_off(priv->netdev); mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter); } if (mwifiex_del_mgmt_ies(priv)) mwifiex_dbg(priv->adapter, ERROR, "Failed to delete mgmt IEs!\n"); if (mwifiex_set_mgmt_ies(priv, ¶ms->beacon_csa)) { mwifiex_dbg(priv->adapter, ERROR, "%s: setting mgmt ies failed\n", __func__); return -EFAULT; } memcpy(&priv->dfs_chandef, ¶ms->chandef, sizeof(priv->dfs_chandef)); memcpy(&priv->beacon_after, ¶ms->beacon_after, sizeof(priv->beacon_after)); chsw_msec = max(channel_sw->count * priv->bss_cfg.beacon_period, 100); queue_delayed_work(priv->dfs_chan_sw_workqueue, &priv->dfs_chan_sw_work, msecs_to_jiffies(chsw_msec)); return 0; } static int mwifiex_cfg80211_get_channel(struct wiphy *wiphy, struct wireless_dev *wdev, unsigned int link_id, struct cfg80211_chan_def *chandef) { struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); struct mwifiex_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) == MWIFIEX_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 = mwifiex_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 = mwifiex_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 mwifiex_tm_attr { __MWIFIEX_TM_ATTR_INVALID = 0, MWIFIEX_TM_ATTR_CMD = 1, MWIFIEX_TM_ATTR_DATA = 2, /* keep last */ __MWIFIEX_TM_ATTR_AFTER_LAST, MWIFIEX_TM_ATTR_MAX = __MWIFIEX_TM_ATTR_AFTER_LAST - 1, }; static const struct nla_policy mwifiex_tm_policy[MWIFIEX_TM_ATTR_MAX + 1] = { [MWIFIEX_TM_ATTR_CMD] = { .type = NLA_U32 }, [MWIFIEX_TM_ATTR_DATA] = { .type = NLA_BINARY, .len = MWIFIEX_SIZE_OF_CMD_BUFFER }, }; enum mwifiex_tm_command { MWIFIEX_TM_CMD_HOSTCMD = 0, }; static int mwifiex_tm_cmd(struct wiphy *wiphy, struct wireless_dev *wdev, void *data, int len) { struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); struct mwifiex_ds_misc_cmd *hostcmd; struct nlattr *tb[MWIFIEX_TM_ATTR_MAX + 1]; struct sk_buff *skb; int err; if (!priv) return -EINVAL; err = nla_parse_deprecated(tb, MWIFIEX_TM_ATTR_MAX, data, len, mwifiex_tm_policy, NULL); if (err) return err; if (!tb[MWIFIEX_TM_ATTR_CMD]) return -EINVAL; switch (nla_get_u32(tb[MWIFIEX_TM_ATTR_CMD])) { case MWIFIEX_TM_CMD_HOSTCMD: if (!tb[MWIFIEX_TM_ATTR_DATA]) return -EINVAL; hostcmd = kzalloc(sizeof(*hostcmd), GFP_KERNEL); if (!hostcmd) return -ENOMEM; hostcmd->len = nla_len(tb[MWIFIEX_TM_ATTR_DATA]); memcpy(hostcmd->cmd, nla_data(tb[MWIFIEX_TM_ATTR_DATA]), hostcmd->len); if (mwifiex_send_cmd(priv, 0, 0, 0, hostcmd, true)) { dev_err(priv->adapter->dev, "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, MWIFIEX_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 mwifiex_cfg80211_start_radar_detection(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_chan_def *chandef, u32 cac_time_ms) { struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); struct mwifiex_radar_params radar_params; if (priv->adapter->scan_processing) { mwifiex_dbg(priv->adapter, ERROR, "radar detection: scan already in process...\n"); return -EBUSY; } if (!mwifiex_is_11h_active(priv)) { mwifiex_dbg(priv->adapter, INFO, "Enable 11h extensions in FW\n"); if (mwifiex_11h_activate(priv, true)) { mwifiex_dbg(priv->adapter, ERROR, "Failed to activate 11h extensions!!"); return -1; } priv->state_11h.is_11h_active = true; } memset(&radar_params, 0, sizeof(struct mwifiex_radar_params)); radar_params.chandef = chandef; radar_params.cac_time_ms = cac_time_ms; memcpy(&priv->dfs_chandef, chandef, sizeof(priv->dfs_chandef)); if (mwifiex_send_cmd(priv, HostCmd_CMD_CHAN_REPORT_REQUEST, HostCmd_ACT_GEN_SET, 0, &radar_params, true)) return -1; queue_delayed_work(priv->dfs_cac_workqueue, &priv->dfs_cac_work, msecs_to_jiffies(cac_time_ms)); return 0; } static int mwifiex_cfg80211_change_station(struct wiphy *wiphy, struct net_device *dev, const u8 *mac, struct station_parameters *params) { int ret; struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); /* we support change_station handler only for TDLS peers*/ if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) return -EOPNOTSUPP; /* make sure we are in station mode and connected */ if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected) return -EOPNOTSUPP; priv->sta_params = params; ret = mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CONFIG_LINK); priv->sta_params = NULL; return ret; } /* station cfg80211 operations */ static struct cfg80211_ops mwifiex_cfg80211_ops = { .add_virtual_intf = mwifiex_add_virtual_intf, .del_virtual_intf = mwifiex_del_virtual_intf, .change_virtual_intf = mwifiex_cfg80211_change_virtual_intf, .scan = mwifiex_cfg80211_scan, .connect = mwifiex_cfg80211_connect, .disconnect = mwifiex_cfg80211_disconnect, .get_station = mwifiex_cfg80211_get_station, .dump_station = mwifiex_cfg80211_dump_station, .dump_survey = mwifiex_cfg80211_dump_survey, .set_wiphy_params = mwifiex_cfg80211_set_wiphy_params, .join_ibss = mwifiex_cfg80211_join_ibss, .leave_ibss = mwifiex_cfg80211_leave_ibss, .add_key = mwifiex_cfg80211_add_key, .del_key = mwifiex_cfg80211_del_key, .set_default_mgmt_key = mwifiex_cfg80211_set_default_mgmt_key, .mgmt_tx = mwifiex_cfg80211_mgmt_tx, .update_mgmt_frame_registrations = mwifiex_cfg80211_update_mgmt_frame_registrations, .remain_on_channel = mwifiex_cfg80211_remain_on_channel, .cancel_remain_on_channel = mwifiex_cfg80211_cancel_remain_on_channel, .set_default_key = mwifiex_cfg80211_set_default_key, .set_power_mgmt = mwifiex_cfg80211_set_power_mgmt, .set_tx_power = mwifiex_cfg80211_set_tx_power, .get_tx_power = mwifiex_cfg80211_get_tx_power, .set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask, .start_ap = mwifiex_cfg80211_start_ap, .stop_ap = mwifiex_cfg80211_stop_ap, .change_beacon = mwifiex_cfg80211_change_beacon, .set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config, .set_antenna = mwifiex_cfg80211_set_antenna, .get_antenna = mwifiex_cfg80211_get_antenna, .del_station = mwifiex_cfg80211_del_station, .sched_scan_start = mwifiex_cfg80211_sched_scan_start, .sched_scan_stop = mwifiex_cfg80211_sched_scan_stop, #ifdef CONFIG_PM .suspend = mwifiex_cfg80211_suspend, .resume = mwifiex_cfg80211_resume, .set_wakeup = mwifiex_cfg80211_set_wakeup, .set_rekey_data = mwifiex_set_rekey_data, #endif .set_coalesce = mwifiex_cfg80211_set_coalesce, .tdls_mgmt = mwifiex_cfg80211_tdls_mgmt, .tdls_oper = mwifiex_cfg80211_tdls_oper, .tdls_channel_switch = mwifiex_cfg80211_tdls_chan_switch, .tdls_cancel_channel_switch = mwifiex_cfg80211_tdls_cancel_chan_switch, .add_station = mwifiex_cfg80211_add_station, .change_station = mwifiex_cfg80211_change_station, CFG80211_TESTMODE_CMD(mwifiex_tm_cmd) .get_channel = mwifiex_cfg80211_get_channel, .start_radar_detection = mwifiex_cfg80211_start_radar_detection, .channel_switch = mwifiex_cfg80211_channel_switch, }; #ifdef CONFIG_PM static const struct wiphy_wowlan_support mwifiex_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 = MWIFIEX_MEF_MAX_FILTERS, .pattern_min_len = 1, .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN, .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN, .max_nd_match_sets = MWIFIEX_MAX_ND_MATCH_SETS, }; static const struct wiphy_wowlan_support mwifiex_wowlan_support_no_gtk = { .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT | WIPHY_WOWLAN_NET_DETECT, .n_patterns = MWIFIEX_MEF_MAX_FILTERS, .pattern_min_len = 1, .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN, .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN, .max_nd_match_sets = MWIFIEX_MAX_ND_MATCH_SETS, }; #endif static bool mwifiex_is_valid_alpha2(const char *alpha2) { if (!alpha2 || strlen(alpha2) != 2) return false; if (isalpha(alpha2[0]) && isalpha(alpha2[1])) return true; return false; } static const struct wiphy_coalesce_support mwifiex_coalesce_support = { .n_rules = MWIFIEX_COALESCE_MAX_RULES, .max_delay = MWIFIEX_MAX_COALESCING_DELAY, .n_patterns = MWIFIEX_COALESCE_MAX_FILTERS, .pattern_min_len = 1, .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN, .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN, }; int mwifiex_init_channel_scan_gap(struct mwifiex_adapter *adapter) { u32 n_channels_bg, n_channels_a = 0; n_channels_bg = mwifiex_band_2ghz.n_channels; if (adapter->config_bands & BAND_A) n_channels_a = mwifiex_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; } /* * This function registers the device with CFG802.11 subsystem. * * The function creates the wireless device/wiphy, populates it with * default parameters and handler function pointers, and finally * registers the device. */ int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter) { int ret; void *wdev_priv; struct wiphy *wiphy; struct mwifiex_private *priv = adapter->priv[MWIFIEX_BSS_TYPE_STA]; u8 *country_code; u32 thr, retry; /* create a new wiphy for use with cfg80211 */ wiphy = wiphy_new(&mwifiex_cfg80211_ops, sizeof(struct mwifiex_adapter *)); if (!wiphy) { mwifiex_dbg(adapter, ERROR, "%s: creating new wiphy\n", __func__); return -ENOMEM; } wiphy->max_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH; wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN; wiphy->mgmt_stypes = mwifiex_mgmt_stypes; wiphy->max_remain_on_channel_duration = 5000; wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_P2P_CLIENT) | BIT(NL80211_IFTYPE_P2P_GO) | BIT(NL80211_IFTYPE_AP); if (ISSUPP_ADHOC_ENABLED(adapter->fw_cap_info)) wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC); wiphy->bands[NL80211_BAND_2GHZ] = &mwifiex_band_2ghz; if (adapter->config_bands & BAND_A) wiphy->bands[NL80211_BAND_5GHZ] = &mwifiex_band_5ghz; else wiphy->bands[NL80211_BAND_5GHZ] = NULL; if (adapter->drcs_enabled && ISSUPP_DRCS_ENABLED(adapter->fw_cap_info)) wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_drcs; else if (adapter->is_hw_11ac_capable) wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_vht; else wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta; wiphy->n_iface_combinations = 1; if (adapter->max_sta_conn > adapter->max_p2p_conn) wiphy->max_ap_assoc_sta = adapter->max_sta_conn; else wiphy->max_ap_assoc_sta = adapter->max_p2p_conn; /* Initialize cipher suits */ wiphy->cipher_suites = mwifiex_cipher_suites; wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_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_HAVE_AP_SME | WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD | WIPHY_FLAG_AP_UAPSD | WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | WIPHY_FLAG_HAS_CHANNEL_SWITCH | WIPHY_FLAG_PS_ON_BY_DEFAULT; if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info)) wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS | WIPHY_FLAG_TDLS_EXTERNAL_SETUP; #ifdef CONFIG_PM if (ISSUPP_FIRMWARE_SUPPLICANT(priv->adapter->fw_cap_info)) wiphy->wowlan = &mwifiex_wowlan_support; else wiphy->wowlan = &mwifiex_wowlan_support_no_gtk; #endif wiphy->coalesce = &mwifiex_coalesce_support; wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; wiphy->max_sched_scan_reqs = 1; wiphy->max_sched_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH; wiphy->max_sched_scan_ie_len = MWIFIEX_MAX_VSIE_LEN; wiphy->max_match_sets = MWIFIEX_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_INACTIVITY_TIMER | NL80211_FEATURE_LOW_PRIORITY_SCAN | NL80211_FEATURE_NEED_OBSS_SCAN; if (ISSUPP_ADHOC_ENABLED(adapter->fw_cap_info)) wiphy->features |= NL80211_FEATURE_HT_IBSS; 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 (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info)) wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH; if (adapter->fw_api_ver == MWIFIEX_FW_V15) wiphy->features |= NL80211_FEATURE_SK_TX_STATUS; /* Reserve space for mwifiex specific private data for BSS */ wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv); wiphy->reg_notifier = mwifiex_reg_notifier; /* Set struct mwifiex_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) { mwifiex_dbg(adapter, ERROR, "%s: wiphy_register failed: %d\n", __func__, ret); wiphy_free(wiphy); return ret; } if (!adapter->regd) { if (reg_alpha2 && mwifiex_is_valid_alpha2(reg_alpha2)) { mwifiex_dbg(adapter, INFO, "driver hint alpha2: %2.2s\n", reg_alpha2); regulatory_hint(wiphy, reg_alpha2); } else { if (adapter->region_code == 0x00) { mwifiex_dbg(adapter, WARN, "Ignore world regulatory domain\n"); } else { wiphy->regulatory_flags |= REGULATORY_DISABLE_BEACON_HINTS | REGULATORY_COUNTRY_IE_IGNORE; country_code = mwifiex_11d_code_2_region( adapter->region_code); if (country_code && regulatory_hint(wiphy, country_code)) mwifiex_dbg(priv->adapter, ERROR, "regulatory_hint() failed\n"); } } } mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, HostCmd_ACT_GEN_GET, FRAG_THRESH_I, &thr, true); wiphy->frag_threshold = thr; mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, HostCmd_ACT_GEN_GET, RTS_THRESH_I, &thr, true); wiphy->rts_threshold = thr; mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, HostCmd_ACT_GEN_GET, SHORT_RETRY_LIM_I, &retry, true); wiphy->retry_short = (u8) retry; mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, HostCmd_ACT_GEN_GET, LONG_RETRY_LIM_I, &retry, true); wiphy->retry_long = (u8) retry; adapter->wiphy = wiphy; return ret; }
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