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path: root/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c
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Diffstat (limited to 'drivers/net/wireless/quantenna/qtnfmac/cfg80211.c')
-rw-r--r--drivers/net/wireless/quantenna/qtnfmac/cfg80211.c1289
1 files changed, 1289 insertions, 0 deletions
diff --git a/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c b/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c
new file mode 100644
index 000000000..73e6f9408
--- /dev/null
+++ b/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c
@@ -0,0 +1,1289 @@
+// 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) |
+ BIT(IEEE80211_STYPE_AUTH >> 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, &params);
+
+ if (ret)
+ return ret;
+
+ /* Check repeater interface combination: primary VIF should be STA only.
+ * STA (primary) + AP (secondary) is OK.
+ * AP (primary) + STA (secondary) is not supported.
+ */
+ vif = qtnf_mac_get_base_vif(mac);
+ if (vif && vif->wdev.iftype == NL80211_IFTYPE_AP &&
+ vif != change_vif && new_type == NL80211_IFTYPE_STATION) {
+ ret = -EINVAL;
+ pr_err("MAC%u invalid combination: AP as primary repeater interface is not supported\n",
+ mac->macid);
+ }
+
+ 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)
+ cfg80211_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 error_del_vif;
+ }
+
+ 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 error_del_vif;
+ }
+
+ if (qtnf_hwcap_is_set(&mac->bus->hw_info, QLINK_HW_CAPAB_HW_BRIDGE)) {
+ ret = qtnf_cmd_netdev_changeupper(vif, vif->netdev->ifindex);
+ if (ret) {
+ cfg80211_unregister_netdevice(vif->netdev);
+ vif->netdev = NULL;
+ goto error_del_vif;
+ }
+ }
+
+ vif->wdev.netdev = vif->netdev;
+ return &vif->wdev;
+
+error_del_vif:
+ 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,
+ unsigned int link_id)
+{
+ 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_update_mgmt_frame_registrations(struct wiphy *wiphy,
+ struct wireless_dev *wdev,
+ struct mgmt_frame_regs *upd)
+{
+ struct qtnf_vif *vif = qtnf_netdev_get_priv(wdev->netdev);
+ u16 new_mask = upd->interface_stypes;
+ u16 old_mask = vif->mgmt_frames_bitmask;
+ static const struct {
+ u16 mask, qlink_type;
+ } updates[] = {
+ {
+ .mask = BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
+ BIT(IEEE80211_STYPE_ASSOC_REQ >> 4),
+ .qlink_type = QLINK_MGMT_FRAME_ASSOC_REQ,
+ },
+ {
+ .mask = BIT(IEEE80211_STYPE_AUTH >> 4),
+ .qlink_type = QLINK_MGMT_FRAME_AUTH,
+ },
+ {
+ .mask = BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
+ .qlink_type = QLINK_MGMT_FRAME_PROBE_REQ,
+ },
+ {
+ .mask = BIT(IEEE80211_STYPE_ACTION >> 4),
+ .qlink_type = QLINK_MGMT_FRAME_ACTION,
+ },
+ };
+ unsigned int i;
+
+ if (new_mask == old_mask)
+ return;
+
+ for (i = 0; i < ARRAY_SIZE(updates); i++) {
+ u16 mask = updates[i].mask;
+ u16 qlink_frame_type = updates[i].qlink_type;
+ bool reg;
+
+ /* the ! are here due to the assoc/reassoc merge */
+ if (!(new_mask & mask) == !(old_mask & mask))
+ continue;
+
+ reg = new_mask & mask;
+
+ if (qtnf_cmd_send_register_mgmt(vif, qlink_frame_type, reg))
+ pr_warn("VIF%u.%u: failed to %sregister qlink frame type 0x%x\n",
+ vif->mac->macid, vif->vifid, reg ? "" : "un",
+ qlink_frame_type);
+ }
+
+ vif->mgmt_frames_bitmask = new_mask;
+}
+
+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 = get_random_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.connected)
+ 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,
+ int link_id, 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,
+ int link_id, 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,
+ int link_id, 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,
+ int link_id, 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);
+
+ 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 &&
+ !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);
+
+ 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)
+ return -EOPNOTSUPP;
+
+ 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.connected) {
+ netif_carrier_off(vif->netdev);
+ cfg80211_disconnected(vif->netdev, reason_code,
+ NULL, 0, true, GFP_KERNEL);
+ }
+
+ 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(wdev, 0);
+ struct ieee80211_channel *chan;
+ 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];
+ survey->channel = chan;
+ survey->filled = 0x0;
+
+ if (chandef && chan == chandef->chan)
+ survey->filled = SURVEY_INFO_IN_USE;
+
+ ret = qtnf_cmd_get_chan_stats(mac, chan->center_freq, survey);
+ if (ret)
+ pr_debug("failed to get chan(%d) stats from card\n",
+ chan->hw_value);
+
+ return ret;
+}
+
+static int
+qtnf_get_channel(struct wiphy *wiphy, struct wireless_dev *wdev,
+ unsigned int link_id, 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(&params->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;
+}
+
+static int qtnf_get_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev,
+ int *dbm)
+{
+ struct qtnf_vif *vif = qtnf_netdev_get_priv(wdev->netdev);
+ int ret;
+
+ ret = qtnf_cmd_get_tx_power(vif, dbm);
+ if (ret)
+ pr_err("MAC%u: failed to get Tx power\n", vif->mac->macid);
+
+ return ret;
+}
+
+static int qtnf_set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev,
+ enum nl80211_tx_power_setting type, int mbm)
+{
+ struct qtnf_vif *vif;
+ int ret;
+
+ if (wdev) {
+ vif = qtnf_netdev_get_priv(wdev->netdev);
+ } else {
+ struct qtnf_wmac *mac = wiphy_priv(wiphy);
+
+ 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_set_tx_power(vif, type, mbm);
+ if (ret)
+ pr_err("MAC%u: failed to set Tx power\n", vif->mac->macid);
+
+ return ret;
+}
+
+static int qtnf_update_owe_info(struct wiphy *wiphy, struct net_device *dev,
+ struct cfg80211_update_owe_info *owe_info)
+{
+ struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
+ int ret;
+
+ if (vif->wdev.iftype != NL80211_IFTYPE_AP)
+ return -EOPNOTSUPP;
+
+ ret = qtnf_cmd_send_update_owe(vif, owe_info);
+ if (ret)
+ pr_err("VIF%u.%u: failed to update owe info\n",
+ vif->mac->macid, vif->vifid);
+
+ 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);
+ return -EFAULT;
+ }
+
+ ret = qtnf_cmd_send_wowlan_set(vif, NULL);
+ if (ret)
+ pr_err("MAC%u: failed to reset WoWLAN triggers\n",
+ mac->macid);
+
+ 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,
+ .update_mgmt_frame_registrations =
+ qtnf_update_mgmt_frame_registrations,
+ .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,
+ .get_tx_power = qtnf_get_tx_power,
+ .set_tx_power = qtnf_set_tx_power,
+ .update_owe_info = qtnf_update_owe_info,
+#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_slave_radar_get(),
+ qtnf_dfs_offload_get());
+ 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 platform_device *pdev)
+{
+ struct wiphy *wiphy;
+
+ if (qtnf_dfs_offload_get() &&
+ qtnf_hwcap_is_set(&bus->hw_info, QLINK_HW_CAPAB_DFS_OFFLOAD))
+ qtn_cfg80211_ops.start_radar_detection = NULL;
+
+ if (!qtnf_hwcap_is_set(&bus->hw_info, 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;
+
+ if (pdev)
+ set_wiphy_dev(wiphy, &pdev->dev);
+ else
+ 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 =
+ (macinfo->max_scan_ssids) ? macinfo->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 (qtnf_dfs_offload_get() &&
+ qtnf_hwcap_is_set(hw_info, QLINK_HW_CAPAB_DFS_OFFLOAD))
+ wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD);
+
+ if (qtnf_hwcap_is_set(hw_info, 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 (qtnf_hwcap_is_set(hw_info, QLINK_HW_CAPAB_STA_INACT_TIMEOUT))
+ wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER;
+
+ if (qtnf_hwcap_is_set(hw_info, QLINK_HW_CAPAB_SCAN_RANDOM_MAC_ADDR))
+ wiphy->features |= NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
+
+ if (!qtnf_hwcap_is_set(hw_info, QLINK_HW_CAPAB_OBSS_SCAN))
+ wiphy->features |= NL80211_FEATURE_NEED_OBSS_SCAN;
+
+ if (qtnf_hwcap_is_set(hw_info, 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 (qtnf_hwcap_is_set(hw_info, 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;
+ }
+
+ strscpy(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;
+ }
+}