#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"
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, },
};
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, },
};
static const u32 qtnf_cipher_suites[] = {
WLAN_CIPHER_SUITE_TKIP,
WLAN_CIPHER_SUITE_CCMP,
WLAN_CIPHER_SUITE_AES_CMAC,
};
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, ¶ms);
if (ret)
return ret;
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);
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_ap_update *info)
{
struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
return qtnf_mgmt_set_appie(vif, &info->beacon);
}
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, int radio_idx,
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;
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 (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(¶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, int link_id)
{
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 radio_idx, unsigned int link_id, 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,
int radio_idx, 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;
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;
}
}
