Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Igor Mitsyanko | 3776 | 63.97% | 23 | 41.07% |
Sergey Matyukevich | 1835 | 31.09% | 25 | 44.64% |
Vasily Ulyanov | 122 | 2.07% | 3 | 5.36% |
Sergei Maksimenko | 99 | 1.68% | 1 | 1.79% |
Dmitry Lebed | 44 | 0.75% | 1 | 1.79% |
Andrey Shevchenko | 25 | 0.42% | 2 | 3.57% |
Gustavo A. R. Silva | 2 | 0.03% | 1 | 1.79% |
Total | 5903 | 56 |
// SPDX-License-Identifier: GPL-2.0+ /* Copyright (c) 2015-2016 Quantenna Communications. All rights reserved. */ #include <linux/kernel.h> #include <linux/etherdevice.h> #include <linux/vmalloc.h> #include <linux/ieee80211.h> #include <net/cfg80211.h> #include <net/netlink.h> #include "cfg80211.h" #include "commands.h" #include "core.h" #include "util.h" #include "bus.h" /* Supported rates to be advertised to the cfg80211 */ static struct ieee80211_rate qtnf_rates_2g[] = { {.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, }, }; /* Supported rates to be advertised to the cfg80211 */ static struct ieee80211_rate qtnf_rates_5g[] = { {.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, }, }; /* Supported crypto cipher suits to be advertised to cfg80211 */ static const u32 qtnf_cipher_suites[] = { WLAN_CIPHER_SUITE_TKIP, WLAN_CIPHER_SUITE_CCMP, WLAN_CIPHER_SUITE_AES_CMAC, }; /* Supported mgmt frame types to be advertised to cfg80211 */ static const struct ieee80211_txrx_stypes qtnf_mgmt_stypes[NUM_NL80211_IFTYPES] = { [NL80211_IFTYPE_STATION] = { .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | BIT(IEEE80211_STYPE_AUTH >> 4), .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | BIT(IEEE80211_STYPE_AUTH >> 4), }, [NL80211_IFTYPE_AP] = { .tx = BIT(IEEE80211_STYPE_ACTION >> 4), .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | BIT(IEEE80211_STYPE_AUTH >> 4), }, }; static int qtnf_validate_iface_combinations(struct wiphy *wiphy, struct qtnf_vif *change_vif, enum nl80211_iftype new_type) { struct qtnf_wmac *mac; struct qtnf_vif *vif; int i; int ret = 0; struct iface_combination_params params = { .num_different_channels = 1, }; mac = wiphy_priv(wiphy); if (!mac) return -EFAULT; for (i = 0; i < QTNF_MAX_INTF; i++) { vif = &mac->iflist[i]; if (vif->wdev.iftype != NL80211_IFTYPE_UNSPECIFIED) params.iftype_num[vif->wdev.iftype]++; } if (change_vif) { params.iftype_num[new_type]++; params.iftype_num[change_vif->wdev.iftype]--; } else { params.iftype_num[new_type]++; } ret = cfg80211_check_combinations(wiphy, ¶ms); return ret; } static int qtnf_change_virtual_intf(struct wiphy *wiphy, struct net_device *dev, enum nl80211_iftype type, struct vif_params *params) { struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); u8 *mac_addr = NULL; int use4addr = 0; int ret; ret = qtnf_validate_iface_combinations(wiphy, vif, type); if (ret) { pr_err("VIF%u.%u combination check: failed to set type %d\n", vif->mac->macid, vif->vifid, type); return ret; } if (params) { mac_addr = params->macaddr; use4addr = params->use_4addr; } qtnf_scan_done(vif->mac, true); ret = qtnf_cmd_send_change_intf_type(vif, type, use4addr, mac_addr); if (ret) { pr_err("VIF%u.%u: failed to change type to %d\n", vif->mac->macid, vif->vifid, type); return ret; } vif->wdev.iftype = type; return 0; } int qtnf_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev) { struct net_device *netdev = wdev->netdev; struct qtnf_vif *vif; struct sk_buff *skb; if (WARN_ON(!netdev)) return -EFAULT; vif = qtnf_netdev_get_priv(wdev->netdev); qtnf_scan_done(vif->mac, true); /* Stop data */ netif_tx_stop_all_queues(netdev); if (netif_carrier_ok(netdev)) netif_carrier_off(netdev); while ((skb = skb_dequeue(&vif->high_pri_tx_queue))) dev_kfree_skb_any(skb); cancel_work_sync(&vif->high_pri_tx_work); if (netdev->reg_state == NETREG_REGISTERED) unregister_netdevice(netdev); if (qtnf_cmd_send_del_intf(vif)) pr_err("VIF%u.%u: failed to delete VIF\n", vif->mac->macid, vif->vifid); vif->netdev->ieee80211_ptr = NULL; vif->netdev = NULL; vif->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; return 0; } static struct wireless_dev *qtnf_add_virtual_intf(struct wiphy *wiphy, const char *name, unsigned char name_assign_t, enum nl80211_iftype type, struct vif_params *params) { struct qtnf_wmac *mac; struct qtnf_vif *vif; u8 *mac_addr = NULL; int use4addr = 0; int ret; mac = wiphy_priv(wiphy); if (!mac) return ERR_PTR(-EFAULT); ret = qtnf_validate_iface_combinations(wiphy, NULL, type); if (ret) { pr_err("MAC%u invalid combination: failed to add type %d\n", mac->macid, type); return ERR_PTR(ret); } switch (type) { case NL80211_IFTYPE_STATION: case NL80211_IFTYPE_AP: vif = qtnf_mac_get_free_vif(mac); if (!vif) { pr_err("MAC%u: no free VIF available\n", mac->macid); return ERR_PTR(-EFAULT); } eth_zero_addr(vif->mac_addr); eth_zero_addr(vif->bssid); vif->bss_priority = QTNF_DEF_BSS_PRIORITY; memset(&vif->wdev, 0, sizeof(vif->wdev)); vif->wdev.wiphy = wiphy; vif->wdev.iftype = type; break; default: pr_err("MAC%u: unsupported IF type %d\n", mac->macid, type); return ERR_PTR(-ENOTSUPP); } if (params) { mac_addr = params->macaddr; use4addr = params->use_4addr; } ret = qtnf_cmd_send_add_intf(vif, type, use4addr, mac_addr); if (ret) { pr_err("VIF%u.%u: failed to add VIF %pM\n", mac->macid, vif->vifid, mac_addr); goto err_cmd; } if (!is_valid_ether_addr(vif->mac_addr)) { pr_err("VIF%u.%u: FW reported bad MAC: %pM\n", mac->macid, vif->vifid, vif->mac_addr); ret = -EINVAL; goto err_mac; } ret = qtnf_core_net_attach(mac, vif, name, name_assign_t); if (ret) { pr_err("VIF%u.%u: failed to attach netdev\n", mac->macid, vif->vifid); goto err_net; } vif->wdev.netdev = vif->netdev; return &vif->wdev; err_net: vif->netdev = NULL; err_mac: qtnf_cmd_send_del_intf(vif); err_cmd: vif->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; return ERR_PTR(ret); } static int qtnf_mgmt_set_appie(struct qtnf_vif *vif, const struct cfg80211_beacon_data *info) { int ret = 0; if (!info->beacon_ies || !info->beacon_ies_len) { ret = qtnf_cmd_send_mgmt_set_appie(vif, QLINK_IE_SET_BEACON_IES, NULL, 0); } else { ret = qtnf_cmd_send_mgmt_set_appie(vif, QLINK_IE_SET_BEACON_IES, info->beacon_ies, info->beacon_ies_len); } if (ret) goto out; if (!info->proberesp_ies || !info->proberesp_ies_len) { ret = qtnf_cmd_send_mgmt_set_appie(vif, QLINK_IE_SET_PROBE_RESP_IES, NULL, 0); } else { ret = qtnf_cmd_send_mgmt_set_appie(vif, QLINK_IE_SET_PROBE_RESP_IES, info->proberesp_ies, info->proberesp_ies_len); } if (ret) goto out; if (!info->assocresp_ies || !info->assocresp_ies_len) { ret = qtnf_cmd_send_mgmt_set_appie(vif, QLINK_IE_SET_ASSOC_RESP, NULL, 0); } else { ret = qtnf_cmd_send_mgmt_set_appie(vif, QLINK_IE_SET_ASSOC_RESP, info->assocresp_ies, info->assocresp_ies_len); } out: return ret; } static int qtnf_change_beacon(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_beacon_data *info) { struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); return qtnf_mgmt_set_appie(vif, info); } static int qtnf_start_ap(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_ap_settings *settings) { struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); int ret; ret = qtnf_cmd_send_start_ap(vif, settings); if (ret) pr_err("VIF%u.%u: failed to start AP\n", vif->mac->macid, vif->vifid); return ret; } static int qtnf_stop_ap(struct wiphy *wiphy, struct net_device *dev) { struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); int ret; qtnf_scan_done(vif->mac, true); ret = qtnf_cmd_send_stop_ap(vif); if (ret) pr_err("VIF%u.%u: failed to stop AP operation in FW\n", vif->mac->macid, vif->vifid); netif_carrier_off(vif->netdev); return ret; } static int qtnf_set_wiphy_params(struct wiphy *wiphy, u32 changed) { struct qtnf_wmac *mac = wiphy_priv(wiphy); struct qtnf_vif *vif; int ret; vif = qtnf_mac_get_base_vif(mac); if (!vif) { pr_err("MAC%u: primary VIF is not configured\n", mac->macid); return -EFAULT; } ret = qtnf_cmd_send_update_phy_params(mac, changed); if (ret) pr_err("MAC%u: failed to update PHY params\n", mac->macid); return ret; } static void qtnf_mgmt_frame_register(struct wiphy *wiphy, struct wireless_dev *wdev, u16 frame_type, bool reg) { struct qtnf_vif *vif = qtnf_netdev_get_priv(wdev->netdev); u16 mgmt_type; u16 new_mask; u16 qlink_frame_type = 0; mgmt_type = (frame_type & IEEE80211_FCTL_STYPE) >> 4; if (reg) new_mask = vif->mgmt_frames_bitmask | BIT(mgmt_type); else new_mask = vif->mgmt_frames_bitmask & ~BIT(mgmt_type); if (new_mask == vif->mgmt_frames_bitmask) return; switch (frame_type & IEEE80211_FCTL_STYPE) { case IEEE80211_STYPE_REASSOC_REQ: case IEEE80211_STYPE_ASSOC_REQ: qlink_frame_type = QLINK_MGMT_FRAME_ASSOC_REQ; break; case IEEE80211_STYPE_AUTH: qlink_frame_type = QLINK_MGMT_FRAME_AUTH; break; case IEEE80211_STYPE_PROBE_REQ: qlink_frame_type = QLINK_MGMT_FRAME_PROBE_REQ; break; case IEEE80211_STYPE_ACTION: qlink_frame_type = QLINK_MGMT_FRAME_ACTION; break; default: pr_warn("VIF%u.%u: unsupported frame type: %X\n", vif->mac->macid, vif->vifid, (frame_type & IEEE80211_FCTL_STYPE) >> 4); return; } if (qtnf_cmd_send_register_mgmt(vif, qlink_frame_type, reg)) { pr_warn("VIF%u.%u: failed to %sregister mgmt frame type 0x%x\n", vif->mac->macid, vif->vifid, reg ? "" : "un", frame_type); return; } vif->mgmt_frames_bitmask = new_mask; pr_debug("VIF%u.%u: %sregistered mgmt frame type 0x%x\n", vif->mac->macid, vif->vifid, reg ? "" : "un", frame_type); } static int qtnf_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, struct cfg80211_mgmt_tx_params *params, u64 *cookie) { struct qtnf_vif *vif = qtnf_netdev_get_priv(wdev->netdev); const struct ieee80211_mgmt *mgmt_frame = (void *)params->buf; u32 short_cookie = prandom_u32(); u16 flags = 0; u16 freq; *cookie = short_cookie; if (params->offchan) flags |= QLINK_FRAME_TX_FLAG_OFFCHAN; if (params->no_cck) flags |= QLINK_FRAME_TX_FLAG_NO_CCK; if (params->dont_wait_for_ack) flags |= QLINK_FRAME_TX_FLAG_ACK_NOWAIT; /* If channel is not specified, pass "freq = 0" to tell device * firmware to use current channel. */ if (params->chan) freq = params->chan->center_freq; else freq = 0; pr_debug("%s freq:%u; FC:%.4X; DA:%pM; len:%zu; C:%.8X; FL:%.4X\n", wdev->netdev->name, freq, le16_to_cpu(mgmt_frame->frame_control), mgmt_frame->da, params->len, short_cookie, flags); return qtnf_cmd_send_frame(vif, short_cookie, flags, freq, params->buf, params->len); } static int qtnf_get_station(struct wiphy *wiphy, struct net_device *dev, const u8 *mac, struct station_info *sinfo) { struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); sinfo->generation = vif->generation; return qtnf_cmd_get_sta_info(vif, mac, sinfo); } static int qtnf_dump_station(struct wiphy *wiphy, struct net_device *dev, int idx, u8 *mac, struct station_info *sinfo) { struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); const struct qtnf_sta_node *sta_node; int ret; switch (vif->wdev.iftype) { case NL80211_IFTYPE_STATION: if (idx != 0 || !vif->wdev.current_bss) return -ENOENT; ether_addr_copy(mac, vif->bssid); break; case NL80211_IFTYPE_AP: sta_node = qtnf_sta_list_lookup_index(&vif->sta_list, idx); if (unlikely(!sta_node)) return -ENOENT; ether_addr_copy(mac, sta_node->mac_addr); break; default: return -ENOTSUPP; } ret = qtnf_cmd_get_sta_info(vif, mac, sinfo); if (vif->wdev.iftype == NL80211_IFTYPE_AP) { if (ret == -ENOENT) { cfg80211_del_sta(vif->netdev, mac, GFP_KERNEL); sinfo->filled = 0; } } sinfo->generation = vif->generation; return ret; } static int qtnf_add_key(struct wiphy *wiphy, struct net_device *dev, u8 key_index, bool pairwise, const u8 *mac_addr, struct key_params *params) { struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); int ret; ret = qtnf_cmd_send_add_key(vif, key_index, pairwise, mac_addr, params); if (ret) pr_err("VIF%u.%u: failed to add key: cipher=%x idx=%u pw=%u\n", vif->mac->macid, vif->vifid, params->cipher, key_index, pairwise); return ret; } static int qtnf_del_key(struct wiphy *wiphy, struct net_device *dev, u8 key_index, bool pairwise, const u8 *mac_addr) { struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); int ret; ret = qtnf_cmd_send_del_key(vif, key_index, pairwise, mac_addr); if (ret) { if (ret == -ENOENT) { pr_debug("VIF%u.%u: key index %d out of bounds\n", vif->mac->macid, vif->vifid, key_index); } else { pr_err("VIF%u.%u: failed to delete key: idx=%u pw=%u\n", vif->mac->macid, vif->vifid, key_index, pairwise); } } return ret; } static int qtnf_set_default_key(struct wiphy *wiphy, struct net_device *dev, u8 key_index, bool unicast, bool multicast) { struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); int ret; ret = qtnf_cmd_send_set_default_key(vif, key_index, unicast, multicast); if (ret) pr_err("VIF%u.%u: failed to set dflt key: idx=%u uc=%u mc=%u\n", vif->mac->macid, vif->vifid, key_index, unicast, multicast); return ret; } static int qtnf_set_default_mgmt_key(struct wiphy *wiphy, struct net_device *dev, u8 key_index) { struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); int ret; ret = qtnf_cmd_send_set_default_mgmt_key(vif, key_index); if (ret) pr_err("VIF%u.%u: failed to set default MGMT key: idx=%u\n", vif->mac->macid, vif->vifid, key_index); return ret; } static int qtnf_change_station(struct wiphy *wiphy, struct net_device *dev, const u8 *mac, struct station_parameters *params) { struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); int ret; ret = qtnf_cmd_send_change_sta(vif, mac, params); if (ret) pr_err("VIF%u.%u: failed to change STA %pM\n", vif->mac->macid, vif->vifid, mac); return ret; } static int qtnf_del_station(struct wiphy *wiphy, struct net_device *dev, struct station_del_parameters *params) { struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); int ret; if (params->mac && (vif->wdev.iftype == NL80211_IFTYPE_AP) && !is_broadcast_ether_addr(params->mac) && !qtnf_sta_list_lookup(&vif->sta_list, params->mac)) return 0; ret = qtnf_cmd_send_del_sta(vif, params); if (ret) pr_err("VIF%u.%u: failed to delete STA %pM\n", vif->mac->macid, vif->vifid, params->mac); return ret; } static int qtnf_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request) { struct qtnf_wmac *mac = wiphy_priv(wiphy); int ret; cancel_delayed_work_sync(&mac->scan_timeout); mac->scan_req = request; ret = qtnf_cmd_send_scan(mac); if (ret) { pr_err("MAC%u: failed to start scan\n", mac->macid); mac->scan_req = NULL; goto out; } pr_debug("MAC%u: scan started\n", mac->macid); queue_delayed_work(mac->bus->workqueue, &mac->scan_timeout, QTNF_SCAN_TIMEOUT_SEC * HZ); out: return ret; } static int qtnf_connect(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_connect_params *sme) { struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); int ret; if (vif->wdev.iftype != NL80211_IFTYPE_STATION) return -EOPNOTSUPP; if (sme->auth_type == NL80211_AUTHTYPE_SAE && !(sme->flags & CONNECT_REQ_EXTERNAL_AUTH_SUPPORT)) { pr_err("can not offload authentication to userspace\n"); return -EOPNOTSUPP; } if (sme->bssid) ether_addr_copy(vif->bssid, sme->bssid); else eth_zero_addr(vif->bssid); ret = qtnf_cmd_send_connect(vif, sme); if (ret) { pr_err("VIF%u.%u: failed to connect\n", vif->mac->macid, vif->vifid); goto out; } out: return ret; } static int qtnf_external_auth(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_external_auth_params *auth) { struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); int ret; if (vif->wdev.iftype != NL80211_IFTYPE_STATION) return -EOPNOTSUPP; if (!ether_addr_equal(vif->bssid, auth->bssid)) pr_warn("unexpected bssid: %pM", auth->bssid); ret = qtnf_cmd_send_external_auth(vif, auth); if (ret) { pr_err("VIF%u.%u: failed to report external auth\n", vif->mac->macid, vif->vifid); goto out; } out: return ret; } static int qtnf_disconnect(struct wiphy *wiphy, struct net_device *dev, u16 reason_code) { struct qtnf_wmac *mac = wiphy_priv(wiphy); struct qtnf_vif *vif; int ret = 0; vif = qtnf_mac_get_base_vif(mac); if (!vif) { pr_err("MAC%u: primary VIF is not configured\n", mac->macid); return -EFAULT; } if (vif->wdev.iftype != NL80211_IFTYPE_STATION) { ret = -EOPNOTSUPP; goto out; } ret = qtnf_cmd_send_disconnect(vif, reason_code); if (ret) pr_err("VIF%u.%u: failed to disconnect\n", mac->macid, vif->vifid); if (vif->wdev.current_bss) { netif_carrier_off(vif->netdev); cfg80211_disconnected(vif->netdev, reason_code, NULL, 0, true, GFP_KERNEL); } out: return ret; } static int qtnf_dump_survey(struct wiphy *wiphy, struct net_device *dev, int idx, struct survey_info *survey) { struct qtnf_wmac *mac = wiphy_priv(wiphy); struct wireless_dev *wdev = dev->ieee80211_ptr; struct ieee80211_supported_band *sband; const struct cfg80211_chan_def *chandef = &wdev->chandef; struct ieee80211_channel *chan; struct qtnf_chan_stats stats; int ret; sband = wiphy->bands[NL80211_BAND_2GHZ]; if (sband && idx >= sband->n_channels) { idx -= sband->n_channels; sband = NULL; } if (!sband) sband = wiphy->bands[NL80211_BAND_5GHZ]; if (!sband || idx >= sband->n_channels) return -ENOENT; chan = &sband->channels[idx]; memset(&stats, 0, sizeof(stats)); survey->channel = chan; survey->filled = 0x0; if (chandef->chan) { if (chan->hw_value == chandef->chan->hw_value) survey->filled = SURVEY_INFO_IN_USE; } ret = qtnf_cmd_get_chan_stats(mac, chan->hw_value, &stats); switch (ret) { case 0: if (unlikely(stats.chan_num != chan->hw_value)) { pr_err("received stats for channel %d instead of %d\n", stats.chan_num, chan->hw_value); ret = -EINVAL; break; } survey->filled |= SURVEY_INFO_TIME | SURVEY_INFO_TIME_SCAN | SURVEY_INFO_TIME_BUSY | SURVEY_INFO_TIME_RX | SURVEY_INFO_TIME_TX | SURVEY_INFO_NOISE_DBM; survey->time_scan = stats.cca_try; survey->time = stats.cca_try; survey->time_tx = stats.cca_tx; survey->time_rx = stats.cca_rx; survey->time_busy = stats.cca_busy; survey->noise = stats.chan_noise; break; case -ENOENT: pr_debug("no stats for channel %u\n", chan->hw_value); ret = 0; break; default: pr_debug("failed to get chan(%d) stats from card\n", chan->hw_value); break; } return ret; } static int qtnf_get_channel(struct wiphy *wiphy, struct wireless_dev *wdev, struct cfg80211_chan_def *chandef) { struct net_device *ndev = wdev->netdev; struct qtnf_vif *vif; int ret; if (!ndev) return -ENODEV; vif = qtnf_netdev_get_priv(wdev->netdev); ret = qtnf_cmd_get_channel(vif, chandef); if (ret) { pr_err("%s: failed to get channel: %d\n", ndev->name, ret); ret = -ENODATA; goto out; } if (!cfg80211_chandef_valid(chandef)) { pr_err("%s: bad channel freq=%u cf1=%u cf2=%u bw=%u\n", ndev->name, chandef->chan->center_freq, chandef->center_freq1, chandef->center_freq2, chandef->width); ret = -ENODATA; goto out; } out: return ret; } static int qtnf_channel_switch(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_csa_settings *params) { struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); int ret; pr_debug("%s: chan(%u) count(%u) radar(%u) block_tx(%u)\n", dev->name, params->chandef.chan->hw_value, params->count, params->radar_required, params->block_tx); if (!cfg80211_chandef_valid(¶ms->chandef)) { pr_err("%s: invalid channel\n", dev->name); return -EINVAL; } ret = qtnf_cmd_send_chan_switch(vif, params); if (ret) pr_warn("%s: failed to switch to channel (%u)\n", dev->name, params->chandef.chan->hw_value); return ret; } static int qtnf_start_radar_detection(struct wiphy *wiphy, struct net_device *ndev, struct cfg80211_chan_def *chandef, u32 cac_time_ms) { struct qtnf_vif *vif = qtnf_netdev_get_priv(ndev); int ret; if (wiphy_ext_feature_isset(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD)) return -ENOTSUPP; ret = qtnf_cmd_start_cac(vif, chandef, cac_time_ms); if (ret) pr_err("%s: failed to start CAC ret=%d\n", ndev->name, ret); return ret; } static int qtnf_set_mac_acl(struct wiphy *wiphy, struct net_device *dev, const struct cfg80211_acl_data *params) { struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); int ret; ret = qtnf_cmd_set_mac_acl(vif, params); if (ret) pr_err("%s: failed to set mac ACL ret=%d\n", dev->name, ret); return ret; } static int qtnf_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, bool enabled, int timeout) { struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); int ret; ret = qtnf_cmd_send_pm_set(vif, enabled ? QLINK_PM_AUTO_STANDBY : QLINK_PM_OFF, timeout); if (ret) pr_err("%s: failed to set PM mode ret=%d\n", dev->name, ret); return ret; } #ifdef CONFIG_PM static int qtnf_suspend(struct wiphy *wiphy, struct cfg80211_wowlan *wowlan) { struct qtnf_wmac *mac = wiphy_priv(wiphy); struct qtnf_vif *vif; int ret = 0; vif = qtnf_mac_get_base_vif(mac); if (!vif) { pr_err("MAC%u: primary VIF is not configured\n", mac->macid); ret = -EFAULT; goto exit; } if (!wowlan) { pr_debug("WoWLAN triggers are not enabled\n"); qtnf_virtual_intf_cleanup(vif->netdev); goto exit; } qtnf_scan_done(vif->mac, true); ret = qtnf_cmd_send_wowlan_set(vif, wowlan); if (ret) { pr_err("MAC%u: failed to set WoWLAN triggers\n", mac->macid); goto exit; } exit: return ret; } static int qtnf_resume(struct wiphy *wiphy) { struct qtnf_wmac *mac = wiphy_priv(wiphy); struct qtnf_vif *vif; int ret = 0; vif = qtnf_mac_get_base_vif(mac); if (!vif) { pr_err("MAC%u: primary VIF is not configured\n", mac->macid); ret = -EFAULT; goto exit; } ret = qtnf_cmd_send_wowlan_set(vif, NULL); if (ret) { pr_err("MAC%u: failed to reset WoWLAN triggers\n", mac->macid); goto exit; } exit: return ret; } static void qtnf_set_wakeup(struct wiphy *wiphy, bool enabled) { struct qtnf_wmac *mac = wiphy_priv(wiphy); struct qtnf_bus *bus = mac->bus; device_set_wakeup_enable(bus->dev, enabled); } #endif static struct cfg80211_ops qtn_cfg80211_ops = { .add_virtual_intf = qtnf_add_virtual_intf, .change_virtual_intf = qtnf_change_virtual_intf, .del_virtual_intf = qtnf_del_virtual_intf, .start_ap = qtnf_start_ap, .change_beacon = qtnf_change_beacon, .stop_ap = qtnf_stop_ap, .set_wiphy_params = qtnf_set_wiphy_params, .mgmt_frame_register = qtnf_mgmt_frame_register, .mgmt_tx = qtnf_mgmt_tx, .change_station = qtnf_change_station, .del_station = qtnf_del_station, .get_station = qtnf_get_station, .dump_station = qtnf_dump_station, .add_key = qtnf_add_key, .del_key = qtnf_del_key, .set_default_key = qtnf_set_default_key, .set_default_mgmt_key = qtnf_set_default_mgmt_key, .scan = qtnf_scan, .connect = qtnf_connect, .external_auth = qtnf_external_auth, .disconnect = qtnf_disconnect, .dump_survey = qtnf_dump_survey, .get_channel = qtnf_get_channel, .channel_switch = qtnf_channel_switch, .start_radar_detection = qtnf_start_radar_detection, .set_mac_acl = qtnf_set_mac_acl, .set_power_mgmt = qtnf_set_power_mgmt, #ifdef CONFIG_PM .suspend = qtnf_suspend, .resume = qtnf_resume, .set_wakeup = qtnf_set_wakeup, #endif }; static void qtnf_cfg80211_reg_notifier(struct wiphy *wiphy, struct regulatory_request *req) { struct qtnf_wmac *mac = wiphy_priv(wiphy); enum nl80211_band band; int ret; pr_debug("MAC%u: initiator=%d alpha=%c%c\n", mac->macid, req->initiator, req->alpha2[0], req->alpha2[1]); ret = qtnf_cmd_reg_notify(mac, req, qtnf_mac_slave_radar_get(wiphy)); if (ret) { pr_err("MAC%u: failed to update region to %c%c: %d\n", mac->macid, req->alpha2[0], req->alpha2[1], ret); return; } for (band = 0; band < NUM_NL80211_BANDS; ++band) { if (!wiphy->bands[band]) continue; ret = qtnf_cmd_band_info_get(mac, wiphy->bands[band]); if (ret) pr_err("MAC%u: failed to update band %u\n", mac->macid, band); } } struct wiphy *qtnf_wiphy_allocate(struct qtnf_bus *bus) { struct wiphy *wiphy; if (bus->hw_info.hw_capab & QLINK_HW_CAPAB_DFS_OFFLOAD) qtn_cfg80211_ops.start_radar_detection = NULL; if (!(bus->hw_info.hw_capab & QLINK_HW_CAPAB_PWR_MGMT)) qtn_cfg80211_ops.set_power_mgmt = NULL; wiphy = wiphy_new(&qtn_cfg80211_ops, sizeof(struct qtnf_wmac)); if (!wiphy) return NULL; set_wiphy_dev(wiphy, bus->dev); return wiphy; } static int qtnf_wiphy_setup_if_comb(struct wiphy *wiphy, struct qtnf_mac_info *mac_info) { struct ieee80211_iface_combination *if_comb; size_t n_if_comb; u16 interface_modes = 0; size_t i, j; if_comb = mac_info->if_comb; n_if_comb = mac_info->n_if_comb; if (!if_comb || !n_if_comb) return -ENOENT; for (i = 0; i < n_if_comb; i++) { if_comb[i].radar_detect_widths = mac_info->radar_detect_widths; for (j = 0; j < if_comb[i].n_limits; j++) interface_modes |= if_comb[i].limits[j].types; } wiphy->iface_combinations = if_comb; wiphy->n_iface_combinations = n_if_comb; wiphy->interface_modes = interface_modes; return 0; } int qtnf_wiphy_register(struct qtnf_hw_info *hw_info, struct qtnf_wmac *mac) { struct wiphy *wiphy = priv_to_wiphy(mac); struct qtnf_mac_info *macinfo = &mac->macinfo; int ret; bool regdomain_is_known; if (!wiphy) { pr_err("invalid wiphy pointer\n"); return -EFAULT; } wiphy->frag_threshold = macinfo->frag_thr; wiphy->rts_threshold = macinfo->rts_thr; wiphy->retry_short = macinfo->sretry_limit; wiphy->retry_long = macinfo->lretry_limit; wiphy->coverage_class = macinfo->coverage_class; wiphy->max_scan_ssids = (hw_info->max_scan_ssids) ? hw_info->max_scan_ssids : 1; wiphy->max_scan_ie_len = QTNF_MAX_VSIE_LEN; wiphy->mgmt_stypes = qtnf_mgmt_stypes; wiphy->max_remain_on_channel_duration = 5000; wiphy->max_acl_mac_addrs = macinfo->max_acl_mac_addrs; wiphy->max_num_csa_counters = 2; ret = qtnf_wiphy_setup_if_comb(wiphy, macinfo); if (ret) goto out; /* Initialize cipher suits */ wiphy->cipher_suites = qtnf_cipher_suites; wiphy->n_cipher_suites = ARRAY_SIZE(qtnf_cipher_suites); 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_CHANNEL_SWITCH | WIPHY_FLAG_4ADDR_STATION | WIPHY_FLAG_NETNS_OK; wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; if (hw_info->hw_capab & QLINK_HW_CAPAB_DFS_OFFLOAD) wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD); if (hw_info->hw_capab & QLINK_HW_CAPAB_SCAN_DWELL) wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_SET_SCAN_DWELL); wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2; wiphy->available_antennas_tx = macinfo->num_tx_chain; wiphy->available_antennas_rx = macinfo->num_rx_chain; wiphy->max_ap_assoc_sta = macinfo->max_ap_assoc_sta; wiphy->ht_capa_mod_mask = &macinfo->ht_cap_mod_mask; wiphy->vht_capa_mod_mask = &macinfo->vht_cap_mod_mask; ether_addr_copy(wiphy->perm_addr, mac->macaddr); if (hw_info->hw_capab & QLINK_HW_CAPAB_STA_INACT_TIMEOUT) wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER; if (hw_info->hw_capab & QLINK_HW_CAPAB_SCAN_RANDOM_MAC_ADDR) wiphy->features |= NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR; if (!(hw_info->hw_capab & QLINK_HW_CAPAB_OBSS_SCAN)) wiphy->features |= NL80211_FEATURE_NEED_OBSS_SCAN; if (hw_info->hw_capab & QLINK_HW_CAPAB_SAE) wiphy->features |= NL80211_FEATURE_SAE; #ifdef CONFIG_PM if (macinfo->wowlan) wiphy->wowlan = macinfo->wowlan; #endif regdomain_is_known = isalpha(mac->rd->alpha2[0]) && isalpha(mac->rd->alpha2[1]); if (hw_info->hw_capab & QLINK_HW_CAPAB_REG_UPDATE) { wiphy->reg_notifier = qtnf_cfg80211_reg_notifier; if (mac->rd->alpha2[0] == '9' && mac->rd->alpha2[1] == '9') { wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG | REGULATORY_STRICT_REG; wiphy_apply_custom_regulatory(wiphy, mac->rd); } else if (regdomain_is_known) { wiphy->regulatory_flags |= REGULATORY_STRICT_REG; } } else { wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED; } if (mac->macinfo.extended_capabilities_len) { wiphy->extended_capabilities = mac->macinfo.extended_capabilities; wiphy->extended_capabilities_mask = mac->macinfo.extended_capabilities_mask; wiphy->extended_capabilities_len = mac->macinfo.extended_capabilities_len; } strlcpy(wiphy->fw_version, hw_info->fw_version, sizeof(wiphy->fw_version)); wiphy->hw_version = hw_info->hw_version; ret = wiphy_register(wiphy); if (ret < 0) goto out; if (wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED) ret = regulatory_set_wiphy_regd(wiphy, mac->rd); else if (regdomain_is_known) ret = regulatory_hint(wiphy, mac->rd->alpha2); out: return ret; } void qtnf_netdev_updown(struct net_device *ndev, bool up) { struct qtnf_vif *vif = qtnf_netdev_get_priv(ndev); if (qtnf_cmd_send_updown_intf(vif, up)) pr_err("failed to send %s command to VIF%u.%u\n", up ? "UP" : "DOWN", vif->mac->macid, vif->vifid); } void qtnf_virtual_intf_cleanup(struct net_device *ndev) { struct qtnf_vif *vif = qtnf_netdev_get_priv(ndev); struct qtnf_wmac *mac = wiphy_priv(vif->wdev.wiphy); if (vif->wdev.iftype == NL80211_IFTYPE_STATION) qtnf_disconnect(vif->wdev.wiphy, ndev, WLAN_REASON_DEAUTH_LEAVING); qtnf_scan_done(mac, true); } void qtnf_cfg80211_vif_reset(struct qtnf_vif *vif) { if (vif->wdev.iftype == NL80211_IFTYPE_STATION) cfg80211_disconnected(vif->netdev, WLAN_REASON_DEAUTH_LEAVING, NULL, 0, 1, GFP_KERNEL); cfg80211_shutdown_all_interfaces(vif->wdev.wiphy); } void qtnf_band_init_rates(struct ieee80211_supported_band *band) { switch (band->band) { case NL80211_BAND_2GHZ: band->bitrates = qtnf_rates_2g; band->n_bitrates = ARRAY_SIZE(qtnf_rates_2g); break; case NL80211_BAND_5GHZ: band->bitrates = qtnf_rates_5g; band->n_bitrates = ARRAY_SIZE(qtnf_rates_5g); break; default: band->bitrates = NULL; band->n_bitrates = 0; break; } }
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