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path: root/drivers/net/wireless/ath/wil6210/cfg80211.c
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Diffstat (limited to 'drivers/net/wireless/ath/wil6210/cfg80211.c')
-rw-r--r--drivers/net/wireless/ath/wil6210/cfg80211.c1703
1 files changed, 1703 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/wil6210/cfg80211.c b/drivers/net/wireless/ath/wil6210/cfg80211.c
new file mode 100644
index 0000000..83155b5
--- /dev/null
+++ b/drivers/net/wireless/ath/wil6210/cfg80211.c
@@ -0,0 +1,1703 @@
+/*
+ * Copyright (c) 2012-2017 Qualcomm Atheros, Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <linux/etherdevice.h>
+#include <linux/moduleparam.h>
+#include "wil6210.h"
+#include "wmi.h"
+
+#define WIL_MAX_ROC_DURATION_MS 5000
+
+bool disable_ap_sme;
+module_param(disable_ap_sme, bool, 0444);
+MODULE_PARM_DESC(disable_ap_sme, " let user space handle AP mode SME");
+
+#define CHAN60G(_channel, _flags) { \
+ .band = NL80211_BAND_60GHZ, \
+ .center_freq = 56160 + (2160 * (_channel)), \
+ .hw_value = (_channel), \
+ .flags = (_flags), \
+ .max_antenna_gain = 0, \
+ .max_power = 40, \
+}
+
+static struct ieee80211_channel wil_60ghz_channels[] = {
+ CHAN60G(1, 0),
+ CHAN60G(2, 0),
+ CHAN60G(3, 0),
+/* channel 4 not supported yet */
+};
+
+static struct ieee80211_supported_band wil_band_60ghz = {
+ .channels = wil_60ghz_channels,
+ .n_channels = ARRAY_SIZE(wil_60ghz_channels),
+ .ht_cap = {
+ .ht_supported = true,
+ .cap = 0, /* TODO */
+ .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K, /* TODO */
+ .ampdu_density = IEEE80211_HT_MPDU_DENSITY_8, /* TODO */
+ .mcs = {
+ /* MCS 1..12 - SC PHY */
+ .rx_mask = {0xfe, 0x1f}, /* 1..12 */
+ .tx_params = IEEE80211_HT_MCS_TX_DEFINED, /* TODO */
+ },
+ },
+};
+
+static const struct ieee80211_txrx_stypes
+wil_mgmt_stypes[NUM_NL80211_IFTYPES] = {
+ [NL80211_IFTYPE_STATION] = {
+ .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
+ BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
+ .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
+ BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
+ },
+ [NL80211_IFTYPE_AP] = {
+ .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
+ BIT(IEEE80211_STYPE_PROBE_RESP >> 4) |
+ BIT(IEEE80211_STYPE_ASSOC_RESP >> 4) |
+ BIT(IEEE80211_STYPE_DISASSOC >> 4),
+ .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
+ BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
+ BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
+ BIT(IEEE80211_STYPE_DISASSOC >> 4) |
+ BIT(IEEE80211_STYPE_AUTH >> 4) |
+ BIT(IEEE80211_STYPE_DEAUTH >> 4) |
+ BIT(IEEE80211_STYPE_REASSOC_REQ >> 4)
+ },
+ [NL80211_IFTYPE_P2P_CLIENT] = {
+ .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
+ BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
+ .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
+ BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
+ },
+ [NL80211_IFTYPE_P2P_GO] = {
+ .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
+ BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
+ .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
+ BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
+ },
+ [NL80211_IFTYPE_P2P_DEVICE] = {
+ .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
+ BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
+ .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
+ BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
+ },
+};
+
+static const u32 wil_cipher_suites[] = {
+ WLAN_CIPHER_SUITE_GCMP,
+};
+
+static const char * const key_usage_str[] = {
+ [WMI_KEY_USE_PAIRWISE] = "PTK",
+ [WMI_KEY_USE_RX_GROUP] = "RX_GTK",
+ [WMI_KEY_USE_TX_GROUP] = "TX_GTK",
+};
+
+int wil_iftype_nl2wmi(enum nl80211_iftype type)
+{
+ static const struct {
+ enum nl80211_iftype nl;
+ enum wmi_network_type wmi;
+ } __nl2wmi[] = {
+ {NL80211_IFTYPE_ADHOC, WMI_NETTYPE_ADHOC},
+ {NL80211_IFTYPE_STATION, WMI_NETTYPE_INFRA},
+ {NL80211_IFTYPE_AP, WMI_NETTYPE_AP},
+ {NL80211_IFTYPE_P2P_CLIENT, WMI_NETTYPE_P2P},
+ {NL80211_IFTYPE_P2P_GO, WMI_NETTYPE_P2P},
+ {NL80211_IFTYPE_MONITOR, WMI_NETTYPE_ADHOC}, /* FIXME */
+ };
+ uint i;
+
+ for (i = 0; i < ARRAY_SIZE(__nl2wmi); i++) {
+ if (__nl2wmi[i].nl == type)
+ return __nl2wmi[i].wmi;
+ }
+
+ return -EOPNOTSUPP;
+}
+
+int wil_cid_fill_sinfo(struct wil6210_priv *wil, int cid,
+ struct station_info *sinfo)
+{
+ struct wmi_notify_req_cmd cmd = {
+ .cid = cid,
+ .interval_usec = 0,
+ };
+ struct {
+ struct wmi_cmd_hdr wmi;
+ struct wmi_notify_req_done_event evt;
+ } __packed reply;
+ struct wil_net_stats *stats = &wil->sta[cid].stats;
+ int rc;
+
+ rc = wmi_call(wil, WMI_NOTIFY_REQ_CMDID, &cmd, sizeof(cmd),
+ WMI_NOTIFY_REQ_DONE_EVENTID, &reply, sizeof(reply), 20);
+ if (rc)
+ return rc;
+
+ wil_dbg_wmi(wil, "Link status for CID %d: {\n"
+ " MCS %d TSF 0x%016llx\n"
+ " BF status 0x%08x SNR 0x%08x SQI %d%%\n"
+ " Tx Tpt %d goodput %d Rx goodput %d\n"
+ " Sectors(rx:tx) my %d:%d peer %d:%d\n""}\n",
+ cid, le16_to_cpu(reply.evt.bf_mcs),
+ le64_to_cpu(reply.evt.tsf), reply.evt.status,
+ le32_to_cpu(reply.evt.snr_val),
+ reply.evt.sqi,
+ le32_to_cpu(reply.evt.tx_tpt),
+ le32_to_cpu(reply.evt.tx_goodput),
+ le32_to_cpu(reply.evt.rx_goodput),
+ le16_to_cpu(reply.evt.my_rx_sector),
+ le16_to_cpu(reply.evt.my_tx_sector),
+ le16_to_cpu(reply.evt.other_rx_sector),
+ le16_to_cpu(reply.evt.other_tx_sector));
+
+ sinfo->generation = wil->sinfo_gen;
+
+ sinfo->filled = BIT(NL80211_STA_INFO_RX_BYTES) |
+ BIT(NL80211_STA_INFO_TX_BYTES) |
+ BIT(NL80211_STA_INFO_RX_PACKETS) |
+ BIT(NL80211_STA_INFO_TX_PACKETS) |
+ BIT(NL80211_STA_INFO_RX_BITRATE) |
+ BIT(NL80211_STA_INFO_TX_BITRATE) |
+ BIT(NL80211_STA_INFO_RX_DROP_MISC) |
+ BIT(NL80211_STA_INFO_TX_FAILED);
+
+ sinfo->txrate.flags = RATE_INFO_FLAGS_MCS | RATE_INFO_FLAGS_60G;
+ sinfo->txrate.mcs = le16_to_cpu(reply.evt.bf_mcs);
+ sinfo->rxrate.flags = RATE_INFO_FLAGS_MCS | RATE_INFO_FLAGS_60G;
+ sinfo->rxrate.mcs = stats->last_mcs_rx;
+ sinfo->rx_bytes = stats->rx_bytes;
+ sinfo->rx_packets = stats->rx_packets;
+ sinfo->rx_dropped_misc = stats->rx_dropped;
+ sinfo->tx_bytes = stats->tx_bytes;
+ sinfo->tx_packets = stats->tx_packets;
+ sinfo->tx_failed = stats->tx_errors;
+
+ if (test_bit(wil_status_fwconnected, wil->status)) {
+ sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL);
+ sinfo->signal = reply.evt.sqi;
+ }
+
+ return rc;
+}
+
+static int wil_cfg80211_get_station(struct wiphy *wiphy,
+ struct net_device *ndev,
+ const u8 *mac, struct station_info *sinfo)
+{
+ struct wil6210_priv *wil = wiphy_to_wil(wiphy);
+ int rc;
+
+ int cid = wil_find_cid(wil, mac);
+
+ wil_dbg_misc(wil, "get_station: %pM CID %d\n", mac, cid);
+ if (cid < 0)
+ return cid;
+
+ rc = wil_cid_fill_sinfo(wil, cid, sinfo);
+
+ return rc;
+}
+
+/*
+ * Find @idx-th active STA for station dump.
+ */
+static int wil_find_cid_by_idx(struct wil6210_priv *wil, int idx)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(wil->sta); i++) {
+ if (wil->sta[i].status == wil_sta_unused)
+ continue;
+ if (idx == 0)
+ return i;
+ idx--;
+ }
+
+ return -ENOENT;
+}
+
+static int wil_cfg80211_dump_station(struct wiphy *wiphy,
+ struct net_device *dev, int idx,
+ u8 *mac, struct station_info *sinfo)
+{
+ struct wil6210_priv *wil = wiphy_to_wil(wiphy);
+ int rc;
+ int cid = wil_find_cid_by_idx(wil, idx);
+
+ if (cid < 0)
+ return -ENOENT;
+
+ ether_addr_copy(mac, wil->sta[cid].addr);
+ wil_dbg_misc(wil, "dump_station: %pM CID %d\n", mac, cid);
+
+ rc = wil_cid_fill_sinfo(wil, cid, sinfo);
+
+ return rc;
+}
+
+static struct wireless_dev *
+wil_cfg80211_add_iface(struct wiphy *wiphy, const char *name,
+ unsigned char name_assign_type,
+ enum nl80211_iftype type,
+ u32 *flags, struct vif_params *params)
+{
+ struct wil6210_priv *wil = wiphy_to_wil(wiphy);
+ struct net_device *ndev = wil_to_ndev(wil);
+ struct wireless_dev *p2p_wdev;
+
+ wil_dbg_misc(wil, "add_iface\n");
+
+ if (type != NL80211_IFTYPE_P2P_DEVICE) {
+ wil_err(wil, "unsupported iftype %d\n", type);
+ return ERR_PTR(-EINVAL);
+ }
+
+ if (wil->p2p_wdev) {
+ wil_err(wil, "P2P_DEVICE interface already created\n");
+ return ERR_PTR(-EINVAL);
+ }
+
+ p2p_wdev = kzalloc(sizeof(*p2p_wdev), GFP_KERNEL);
+ if (!p2p_wdev)
+ return ERR_PTR(-ENOMEM);
+
+ p2p_wdev->iftype = type;
+ p2p_wdev->wiphy = wiphy;
+ /* use our primary ethernet address */
+ ether_addr_copy(p2p_wdev->address, ndev->perm_addr);
+
+ wil->p2p_wdev = p2p_wdev;
+
+ return p2p_wdev;
+}
+
+static int wil_cfg80211_del_iface(struct wiphy *wiphy,
+ struct wireless_dev *wdev)
+{
+ struct wil6210_priv *wil = wiphy_to_wil(wiphy);
+
+ wil_dbg_misc(wil, "del_iface\n");
+
+ if (wdev != wil->p2p_wdev) {
+ wil_err(wil, "delete of incorrect interface 0x%p\n", wdev);
+ return -EINVAL;
+ }
+
+ wil_p2p_wdev_free(wil);
+
+ return 0;
+}
+
+static int wil_cfg80211_change_iface(struct wiphy *wiphy,
+ struct net_device *ndev,
+ enum nl80211_iftype type, u32 *flags,
+ struct vif_params *params)
+{
+ struct wil6210_priv *wil = wiphy_to_wil(wiphy);
+ struct wireless_dev *wdev = wil_to_wdev(wil);
+ int rc;
+
+ wil_dbg_misc(wil, "change_iface: type=%d\n", type);
+
+ if (netif_running(wil_to_ndev(wil)) && !wil_is_recovery_blocked(wil)) {
+ wil_dbg_misc(wil, "interface is up. resetting...\n");
+ mutex_lock(&wil->mutex);
+ __wil_down(wil);
+ rc = __wil_up(wil);
+ mutex_unlock(&wil->mutex);
+
+ if (rc)
+ return rc;
+ }
+
+ switch (type) {
+ case NL80211_IFTYPE_STATION:
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_P2P_CLIENT:
+ case NL80211_IFTYPE_P2P_GO:
+ break;
+ case NL80211_IFTYPE_MONITOR:
+ if (flags)
+ wil->monitor_flags = *flags;
+ else
+ wil->monitor_flags = 0;
+
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ wdev->iftype = type;
+
+ return 0;
+}
+
+static int wil_cfg80211_scan(struct wiphy *wiphy,
+ struct cfg80211_scan_request *request)
+{
+ struct wil6210_priv *wil = wiphy_to_wil(wiphy);
+ struct wireless_dev *wdev = request->wdev;
+ struct {
+ struct wmi_start_scan_cmd cmd;
+ u16 chnl[4];
+ } __packed cmd;
+ uint i, n;
+ int rc;
+
+ wil_dbg_misc(wil, "scan: wdev=0x%p iftype=%d\n", wdev, wdev->iftype);
+
+ /* check we are client side */
+ switch (wdev->iftype) {
+ case NL80211_IFTYPE_STATION:
+ case NL80211_IFTYPE_P2P_CLIENT:
+ case NL80211_IFTYPE_P2P_DEVICE:
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ /* FW don't support scan after connection attempt */
+ if (test_bit(wil_status_dontscan, wil->status)) {
+ wil_err(wil, "Can't scan now\n");
+ return -EBUSY;
+ }
+
+ mutex_lock(&wil->mutex);
+
+ mutex_lock(&wil->p2p_wdev_mutex);
+ if (wil->scan_request || wil->p2p.discovery_started) {
+ wil_err(wil, "Already scanning\n");
+ mutex_unlock(&wil->p2p_wdev_mutex);
+ rc = -EAGAIN;
+ goto out;
+ }
+ mutex_unlock(&wil->p2p_wdev_mutex);
+
+ /* social scan on P2P_DEVICE is handled as p2p search */
+ if (wdev->iftype == NL80211_IFTYPE_P2P_DEVICE &&
+ wil_p2p_is_social_scan(request)) {
+ if (!wil->p2p.p2p_dev_started) {
+ wil_err(wil, "P2P search requested on stopped P2P device\n");
+ rc = -EIO;
+ goto out;
+ }
+ wil->scan_request = request;
+ wil->radio_wdev = wdev;
+ rc = wil_p2p_search(wil, request);
+ if (rc) {
+ wil->radio_wdev = wil_to_wdev(wil);
+ wil->scan_request = NULL;
+ }
+ goto out;
+ }
+
+ (void)wil_p2p_stop_discovery(wil);
+
+ wil_dbg_misc(wil, "Start scan_request 0x%p\n", request);
+ wil_dbg_misc(wil, "SSID count: %d", request->n_ssids);
+
+ for (i = 0; i < request->n_ssids; i++) {
+ wil_dbg_misc(wil, "SSID[%d]", i);
+ print_hex_dump_bytes("SSID ", DUMP_PREFIX_OFFSET,
+ request->ssids[i].ssid,
+ request->ssids[i].ssid_len);
+ }
+
+ if (request->n_ssids)
+ rc = wmi_set_ssid(wil, request->ssids[0].ssid_len,
+ request->ssids[0].ssid);
+ else
+ rc = wmi_set_ssid(wil, 0, NULL);
+
+ if (rc) {
+ wil_err(wil, "set SSID for scan request failed: %d\n", rc);
+ goto out;
+ }
+
+ wil->scan_request = request;
+ mod_timer(&wil->scan_timer, jiffies + WIL6210_SCAN_TO);
+
+ memset(&cmd, 0, sizeof(cmd));
+ cmd.cmd.scan_type = WMI_ACTIVE_SCAN;
+ cmd.cmd.num_channels = 0;
+ n = min(request->n_channels, 4U);
+ for (i = 0; i < n; i++) {
+ int ch = request->channels[i]->hw_value;
+
+ if (ch == 0) {
+ wil_err(wil,
+ "Scan requested for unknown frequency %dMhz\n",
+ request->channels[i]->center_freq);
+ continue;
+ }
+ /* 0-based channel indexes */
+ cmd.cmd.channel_list[cmd.cmd.num_channels++].channel = ch - 1;
+ wil_dbg_misc(wil, "Scan for ch %d : %d MHz\n", ch,
+ request->channels[i]->center_freq);
+ }
+
+ if (request->ie_len)
+ print_hex_dump_bytes("Scan IE ", DUMP_PREFIX_OFFSET,
+ request->ie, request->ie_len);
+ else
+ wil_dbg_misc(wil, "Scan has no IE's\n");
+
+ rc = wmi_set_ie(wil, WMI_FRAME_PROBE_REQ, request->ie_len, request->ie);
+ if (rc)
+ goto out_restore;
+
+ if (wil->discovery_mode && cmd.cmd.scan_type == WMI_ACTIVE_SCAN) {
+ cmd.cmd.discovery_mode = 1;
+ wil_dbg_misc(wil, "active scan with discovery_mode=1\n");
+ }
+
+ wil->radio_wdev = wdev;
+ rc = wmi_send(wil, WMI_START_SCAN_CMDID, &cmd, sizeof(cmd.cmd) +
+ cmd.cmd.num_channels * sizeof(cmd.cmd.channel_list[0]));
+
+out_restore:
+ if (rc) {
+ del_timer_sync(&wil->scan_timer);
+ wil->radio_wdev = wil_to_wdev(wil);
+ wil->scan_request = NULL;
+ }
+out:
+ mutex_unlock(&wil->mutex);
+ return rc;
+}
+
+static void wil_cfg80211_abort_scan(struct wiphy *wiphy,
+ struct wireless_dev *wdev)
+{
+ struct wil6210_priv *wil = wiphy_to_wil(wiphy);
+
+ wil_dbg_misc(wil, "wdev=0x%p iftype=%d\n", wdev, wdev->iftype);
+
+ mutex_lock(&wil->mutex);
+ mutex_lock(&wil->p2p_wdev_mutex);
+
+ if (!wil->scan_request)
+ goto out;
+
+ if (wdev != wil->scan_request->wdev) {
+ wil_dbg_misc(wil, "abort scan was called on the wrong iface\n");
+ goto out;
+ }
+
+ if (wil->radio_wdev == wil->p2p_wdev)
+ wil_p2p_stop_radio_operations(wil);
+ else
+ wil_abort_scan(wil, true);
+
+out:
+ mutex_unlock(&wil->p2p_wdev_mutex);
+ mutex_unlock(&wil->mutex);
+}
+
+static void wil_print_crypto(struct wil6210_priv *wil,
+ struct cfg80211_crypto_settings *c)
+{
+ int i, n;
+
+ wil_dbg_misc(wil, "WPA versions: 0x%08x cipher group 0x%08x\n",
+ c->wpa_versions, c->cipher_group);
+ wil_dbg_misc(wil, "Pairwise ciphers [%d] {\n", c->n_ciphers_pairwise);
+ n = min_t(int, c->n_ciphers_pairwise, ARRAY_SIZE(c->ciphers_pairwise));
+ for (i = 0; i < n; i++)
+ wil_dbg_misc(wil, " [%d] = 0x%08x\n", i,
+ c->ciphers_pairwise[i]);
+ wil_dbg_misc(wil, "}\n");
+ wil_dbg_misc(wil, "AKM suites [%d] {\n", c->n_akm_suites);
+ n = min_t(int, c->n_akm_suites, ARRAY_SIZE(c->akm_suites));
+ for (i = 0; i < n; i++)
+ wil_dbg_misc(wil, " [%d] = 0x%08x\n", i,
+ c->akm_suites[i]);
+ wil_dbg_misc(wil, "}\n");
+ wil_dbg_misc(wil, "Control port : %d, eth_type 0x%04x no_encrypt %d\n",
+ c->control_port, be16_to_cpu(c->control_port_ethertype),
+ c->control_port_no_encrypt);
+}
+
+static void wil_print_connect_params(struct wil6210_priv *wil,
+ struct cfg80211_connect_params *sme)
+{
+ wil_info(wil, "Connecting to:\n");
+ if (sme->channel) {
+ wil_info(wil, " Channel: %d freq %d\n",
+ sme->channel->hw_value, sme->channel->center_freq);
+ }
+ if (sme->bssid)
+ wil_info(wil, " BSSID: %pM\n", sme->bssid);
+ if (sme->ssid)
+ print_hex_dump(KERN_INFO, " SSID: ", DUMP_PREFIX_OFFSET,
+ 16, 1, sme->ssid, sme->ssid_len, true);
+ wil_info(wil, " Privacy: %s\n", sme->privacy ? "secure" : "open");
+ wil_info(wil, " PBSS: %d\n", sme->pbss);
+ wil_print_crypto(wil, &sme->crypto);
+}
+
+static int wil_cfg80211_connect(struct wiphy *wiphy,
+ struct net_device *ndev,
+ struct cfg80211_connect_params *sme)
+{
+ struct wil6210_priv *wil = wiphy_to_wil(wiphy);
+ struct cfg80211_bss *bss;
+ struct wmi_connect_cmd conn;
+ const u8 *ssid_eid;
+ const u8 *rsn_eid;
+ int ch;
+ int rc = 0;
+ enum ieee80211_bss_type bss_type = IEEE80211_BSS_TYPE_ESS;
+
+ wil_dbg_misc(wil, "connect\n");
+ wil_print_connect_params(wil, sme);
+
+ if (test_bit(wil_status_fwconnecting, wil->status) ||
+ test_bit(wil_status_fwconnected, wil->status))
+ return -EALREADY;
+
+ if (sme->ie_len > WMI_MAX_IE_LEN) {
+ wil_err(wil, "IE too large (%td bytes)\n", sme->ie_len);
+ return -ERANGE;
+ }
+
+ rsn_eid = sme->ie ?
+ cfg80211_find_ie(WLAN_EID_RSN, sme->ie, sme->ie_len) :
+ NULL;
+ if (sme->privacy && !rsn_eid)
+ wil_info(wil, "WSC connection\n");
+
+ if (sme->pbss)
+ bss_type = IEEE80211_BSS_TYPE_PBSS;
+
+ bss = cfg80211_get_bss(wiphy, sme->channel, sme->bssid,
+ sme->ssid, sme->ssid_len,
+ bss_type, IEEE80211_PRIVACY_ANY);
+ if (!bss) {
+ wil_err(wil, "Unable to find BSS\n");
+ return -ENOENT;
+ }
+
+ ssid_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SSID);
+ if (!ssid_eid) {
+ wil_err(wil, "No SSID\n");
+ rc = -ENOENT;
+ goto out;
+ }
+ wil->privacy = sme->privacy;
+ wil->pbss = sme->pbss;
+
+ if (wil->privacy) {
+ /* For secure assoc, remove old keys */
+ rc = wmi_del_cipher_key(wil, 0, bss->bssid,
+ WMI_KEY_USE_PAIRWISE);
+ if (rc) {
+ wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(PTK) failed\n");
+ goto out;
+ }
+ rc = wmi_del_cipher_key(wil, 0, bss->bssid,
+ WMI_KEY_USE_RX_GROUP);
+ if (rc) {
+ wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(GTK) failed\n");
+ goto out;
+ }
+ }
+
+ /* WMI_SET_APPIE_CMD. ie may contain rsn info as well as other info
+ * elements. Send it also in case it's empty, to erase previously set
+ * ies in FW.
+ */
+ rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_REQ, sme->ie_len, sme->ie);
+ if (rc)
+ goto out;
+
+ /* WMI_CONNECT_CMD */
+ memset(&conn, 0, sizeof(conn));
+ switch (bss->capability & WLAN_CAPABILITY_DMG_TYPE_MASK) {
+ case WLAN_CAPABILITY_DMG_TYPE_AP:
+ conn.network_type = WMI_NETTYPE_INFRA;
+ break;
+ case WLAN_CAPABILITY_DMG_TYPE_PBSS:
+ conn.network_type = WMI_NETTYPE_P2P;
+ break;
+ default:
+ wil_err(wil, "Unsupported BSS type, capability= 0x%04x\n",
+ bss->capability);
+ goto out;
+ }
+ if (wil->privacy) {
+ if (rsn_eid) { /* regular secure connection */
+ conn.dot11_auth_mode = WMI_AUTH11_SHARED;
+ conn.auth_mode = WMI_AUTH_WPA2_PSK;
+ conn.pairwise_crypto_type = WMI_CRYPT_AES_GCMP;
+ conn.pairwise_crypto_len = 16;
+ conn.group_crypto_type = WMI_CRYPT_AES_GCMP;
+ conn.group_crypto_len = 16;
+ } else { /* WSC */
+ conn.dot11_auth_mode = WMI_AUTH11_WSC;
+ conn.auth_mode = WMI_AUTH_NONE;
+ }
+ } else { /* insecure connection */
+ conn.dot11_auth_mode = WMI_AUTH11_OPEN;
+ conn.auth_mode = WMI_AUTH_NONE;
+ }
+
+ conn.ssid_len = min_t(u8, ssid_eid[1], 32);
+ memcpy(conn.ssid, ssid_eid+2, conn.ssid_len);
+
+ ch = bss->channel->hw_value;
+ if (ch == 0) {
+ wil_err(wil, "BSS at unknown frequency %dMhz\n",
+ bss->channel->center_freq);
+ rc = -EOPNOTSUPP;
+ goto out;
+ }
+ conn.channel = ch - 1;
+
+ ether_addr_copy(conn.bssid, bss->bssid);
+ ether_addr_copy(conn.dst_mac, bss->bssid);
+
+ set_bit(wil_status_fwconnecting, wil->status);
+
+ rc = wmi_send(wil, WMI_CONNECT_CMDID, &conn, sizeof(conn));
+ if (rc == 0) {
+ netif_carrier_on(ndev);
+ /* Connect can take lots of time */
+ mod_timer(&wil->connect_timer,
+ jiffies + msecs_to_jiffies(2000));
+ } else {
+ clear_bit(wil_status_fwconnecting, wil->status);
+ }
+
+ out:
+ cfg80211_put_bss(wiphy, bss);
+
+ return rc;
+}
+
+static int wil_cfg80211_disconnect(struct wiphy *wiphy,
+ struct net_device *ndev,
+ u16 reason_code)
+{
+ int rc;
+ struct wil6210_priv *wil = wiphy_to_wil(wiphy);
+
+ wil_dbg_misc(wil, "disconnect: reason=%d\n", reason_code);
+
+ if (!(test_bit(wil_status_fwconnecting, wil->status) ||
+ test_bit(wil_status_fwconnected, wil->status))) {
+ wil_err(wil, "Disconnect was called while disconnected\n");
+ return 0;
+ }
+
+ rc = wmi_call(wil, WMI_DISCONNECT_CMDID, NULL, 0,
+ WMI_DISCONNECT_EVENTID, NULL, 0,
+ WIL6210_DISCONNECT_TO_MS);
+ if (rc)
+ wil_err(wil, "disconnect error %d\n", rc);
+
+ return rc;
+}
+
+static int wil_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
+{
+ struct wil6210_priv *wil = wiphy_to_wil(wiphy);
+ int rc;
+
+ /* these parameters are explicitly not supported */
+ if (changed & (WIPHY_PARAM_RETRY_LONG |
+ WIPHY_PARAM_FRAG_THRESHOLD |
+ WIPHY_PARAM_RTS_THRESHOLD))
+ return -ENOTSUPP;
+
+ if (changed & WIPHY_PARAM_RETRY_SHORT) {
+ rc = wmi_set_mgmt_retry(wil, wiphy->retry_short);
+ if (rc)
+ return rc;
+ }
+
+ return 0;
+}
+
+int wil_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
+ struct cfg80211_mgmt_tx_params *params,
+ u64 *cookie)
+{
+ const u8 *buf = params->buf;
+ size_t len = params->len;
+ struct wil6210_priv *wil = wiphy_to_wil(wiphy);
+ int rc;
+ bool tx_status = false;
+ struct ieee80211_mgmt *mgmt_frame = (void *)buf;
+ struct wmi_sw_tx_req_cmd *cmd;
+ struct {
+ struct wmi_cmd_hdr wmi;
+ struct wmi_sw_tx_complete_event evt;
+ } __packed evt;
+
+ /* Note, currently we do not support the "wait" parameter, user-space
+ * must call remain_on_channel before mgmt_tx or listen on a channel
+ * another way (AP/PCP or connected station)
+ * in addition we need to check if specified "chan" argument is
+ * different from currently "listened" channel and fail if it is.
+ */
+
+ wil_dbg_misc(wil, "mgmt_tx\n");
+ print_hex_dump_bytes("mgmt tx frame ", DUMP_PREFIX_OFFSET, buf, len);
+
+ cmd = kmalloc(sizeof(*cmd) + len, GFP_KERNEL);
+ if (!cmd) {
+ rc = -ENOMEM;
+ goto out;
+ }
+
+ memcpy(cmd->dst_mac, mgmt_frame->da, WMI_MAC_LEN);
+ cmd->len = cpu_to_le16(len);
+ memcpy(cmd->payload, buf, len);
+
+ rc = wmi_call(wil, WMI_SW_TX_REQ_CMDID, cmd, sizeof(*cmd) + len,
+ WMI_SW_TX_COMPLETE_EVENTID, &evt, sizeof(evt), 2000);
+ if (rc == 0)
+ tx_status = !evt.evt.status;
+
+ kfree(cmd);
+ out:
+ cfg80211_mgmt_tx_status(wdev, cookie ? *cookie : 0, buf, len,
+ tx_status, GFP_KERNEL);
+ return rc;
+}
+
+static int wil_cfg80211_set_channel(struct wiphy *wiphy,
+ struct cfg80211_chan_def *chandef)
+{
+ struct wil6210_priv *wil = wiphy_to_wil(wiphy);
+ struct wireless_dev *wdev = wil_to_wdev(wil);
+
+ wdev->preset_chandef = *chandef;
+
+ return 0;
+}
+
+static enum wmi_key_usage wil_detect_key_usage(struct wil6210_priv *wil,
+ bool pairwise)
+{
+ struct wireless_dev *wdev = wil_to_wdev(wil);
+ enum wmi_key_usage rc;
+
+ if (pairwise) {
+ rc = WMI_KEY_USE_PAIRWISE;
+ } else {
+ switch (wdev->iftype) {
+ case NL80211_IFTYPE_STATION:
+ case NL80211_IFTYPE_P2P_CLIENT:
+ rc = WMI_KEY_USE_RX_GROUP;
+ break;
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_P2P_GO:
+ rc = WMI_KEY_USE_TX_GROUP;
+ break;
+ default:
+ /* TODO: Rx GTK or Tx GTK? */
+ wil_err(wil, "Can't determine GTK type\n");
+ rc = WMI_KEY_USE_RX_GROUP;
+ break;
+ }
+ }
+ wil_dbg_misc(wil, "detect_key_usage: -> %s\n", key_usage_str[rc]);
+
+ return rc;
+}
+
+static struct wil_sta_info *
+wil_find_sta_by_key_usage(struct wil6210_priv *wil,
+ enum wmi_key_usage key_usage, const u8 *mac_addr)
+{
+ int cid = -EINVAL;
+
+ if (key_usage == WMI_KEY_USE_TX_GROUP)
+ return NULL; /* not needed */
+
+ /* supplicant provides Rx group key in STA mode with NULL MAC address */
+ if (mac_addr)
+ cid = wil_find_cid(wil, mac_addr);
+ else if (key_usage == WMI_KEY_USE_RX_GROUP)
+ cid = wil_find_cid_by_idx(wil, 0);
+ if (cid < 0) {
+ wil_err(wil, "No CID for %pM %s\n", mac_addr,
+ key_usage_str[key_usage]);
+ return ERR_PTR(cid);
+ }
+
+ return &wil->sta[cid];
+}
+
+static void wil_set_crypto_rx(u8 key_index, enum wmi_key_usage key_usage,
+ struct wil_sta_info *cs,
+ struct key_params *params)
+{
+ struct wil_tid_crypto_rx_single *cc;
+ int tid;
+
+ if (!cs)
+ return;
+
+ switch (key_usage) {
+ case WMI_KEY_USE_PAIRWISE:
+ for (tid = 0; tid < WIL_STA_TID_NUM; tid++) {
+ cc = &cs->tid_crypto_rx[tid].key_id[key_index];
+ if (params->seq)
+ memcpy(cc->pn, params->seq,
+ IEEE80211_GCMP_PN_LEN);
+ else
+ memset(cc->pn, 0, IEEE80211_GCMP_PN_LEN);
+ cc->key_set = true;
+ }
+ break;
+ case WMI_KEY_USE_RX_GROUP:
+ cc = &cs->group_crypto_rx.key_id[key_index];
+ if (params->seq)
+ memcpy(cc->pn, params->seq, IEEE80211_GCMP_PN_LEN);
+ else
+ memset(cc->pn, 0, IEEE80211_GCMP_PN_LEN);
+ cc->key_set = true;
+ break;
+ default:
+ break;
+ }
+}
+
+static void wil_del_rx_key(u8 key_index, enum wmi_key_usage key_usage,
+ struct wil_sta_info *cs)
+{
+ struct wil_tid_crypto_rx_single *cc;
+ int tid;
+
+ if (!cs)
+ return;
+
+ switch (key_usage) {
+ case WMI_KEY_USE_PAIRWISE:
+ for (tid = 0; tid < WIL_STA_TID_NUM; tid++) {
+ cc = &cs->tid_crypto_rx[tid].key_id[key_index];
+ cc->key_set = false;
+ }
+ break;
+ case WMI_KEY_USE_RX_GROUP:
+ cc = &cs->group_crypto_rx.key_id[key_index];
+ cc->key_set = false;
+ break;
+ default:
+ break;
+ }
+}
+
+static int wil_cfg80211_add_key(struct wiphy *wiphy,
+ struct net_device *ndev,
+ u8 key_index, bool pairwise,
+ const u8 *mac_addr,
+ struct key_params *params)
+{
+ int rc;
+ struct wil6210_priv *wil = wiphy_to_wil(wiphy);
+ enum wmi_key_usage key_usage = wil_detect_key_usage(wil, pairwise);
+ struct wil_sta_info *cs = wil_find_sta_by_key_usage(wil, key_usage,
+ mac_addr);
+
+ if (!params) {
+ wil_err(wil, "NULL params\n");
+ return -EINVAL;
+ }
+
+ wil_dbg_misc(wil, "add_key: %pM %s[%d] PN %*phN\n",
+ mac_addr, key_usage_str[key_usage], key_index,
+ params->seq_len, params->seq);
+
+ if (IS_ERR(cs)) {
+ wil_err(wil, "Not connected, %pM %s[%d] PN %*phN\n",
+ mac_addr, key_usage_str[key_usage], key_index,
+ params->seq_len, params->seq);
+ return -EINVAL;
+ }
+
+ wil_del_rx_key(key_index, key_usage, cs);
+
+ if (params->seq && params->seq_len != IEEE80211_GCMP_PN_LEN) {
+ wil_err(wil,
+ "Wrong PN len %d, %pM %s[%d] PN %*phN\n",
+ params->seq_len, mac_addr,
+ key_usage_str[key_usage], key_index,
+ params->seq_len, params->seq);
+ return -EINVAL;
+ }
+
+ rc = wmi_add_cipher_key(wil, key_index, mac_addr, params->key_len,
+ params->key, key_usage);
+ if (!rc)
+ wil_set_crypto_rx(key_index, key_usage, cs, params);
+
+ return rc;
+}
+
+static int wil_cfg80211_del_key(struct wiphy *wiphy,
+ struct net_device *ndev,
+ u8 key_index, bool pairwise,
+ const u8 *mac_addr)
+{
+ struct wil6210_priv *wil = wiphy_to_wil(wiphy);
+ enum wmi_key_usage key_usage = wil_detect_key_usage(wil, pairwise);
+ struct wil_sta_info *cs = wil_find_sta_by_key_usage(wil, key_usage,
+ mac_addr);
+
+ wil_dbg_misc(wil, "del_key: %pM %s[%d]\n", mac_addr,
+ key_usage_str[key_usage], key_index);
+
+ if (IS_ERR(cs))
+ wil_info(wil, "Not connected, %pM %s[%d]\n",
+ mac_addr, key_usage_str[key_usage], key_index);
+
+ if (!IS_ERR_OR_NULL(cs))
+ wil_del_rx_key(key_index, key_usage, cs);
+
+ return wmi_del_cipher_key(wil, key_index, mac_addr, key_usage);
+}
+
+/* Need to be present or wiphy_new() will WARN */
+static int wil_cfg80211_set_default_key(struct wiphy *wiphy,
+ struct net_device *ndev,
+ u8 key_index, bool unicast,
+ bool multicast)
+{
+ struct wil6210_priv *wil = wiphy_to_wil(wiphy);
+
+ wil_dbg_misc(wil, "set_default_key: entered\n");
+ return 0;
+}
+
+static int wil_remain_on_channel(struct wiphy *wiphy,
+ struct wireless_dev *wdev,
+ struct ieee80211_channel *chan,
+ unsigned int duration,
+ u64 *cookie)
+{
+ struct wil6210_priv *wil = wiphy_to_wil(wiphy);
+ int rc;
+
+ wil_dbg_misc(wil,
+ "remain_on_channel: center_freq=%d, duration=%d iftype=%d\n",
+ chan->center_freq, duration, wdev->iftype);
+
+ rc = wil_p2p_listen(wil, wdev, duration, chan, cookie);
+ return rc;
+}
+
+static int wil_cancel_remain_on_channel(struct wiphy *wiphy,
+ struct wireless_dev *wdev,
+ u64 cookie)
+{
+ struct wil6210_priv *wil = wiphy_to_wil(wiphy);
+
+ wil_dbg_misc(wil, "cancel_remain_on_channel\n");
+
+ return wil_p2p_cancel_listen(wil, cookie);
+}
+
+/**
+ * find a specific IE in a list of IEs
+ * return a pointer to the beginning of IE in the list
+ * or NULL if not found
+ */
+static const u8 *_wil_cfg80211_find_ie(const u8 *ies, u16 ies_len, const u8 *ie,
+ u16 ie_len)
+{
+ struct ieee80211_vendor_ie *vie;
+ u32 oui;
+
+ /* IE tag at offset 0, length at offset 1 */
+ if (ie_len < 2 || 2 + ie[1] > ie_len)
+ return NULL;
+
+ if (ie[0] != WLAN_EID_VENDOR_SPECIFIC)
+ return cfg80211_find_ie(ie[0], ies, ies_len);
+
+ /* make sure there is room for 3 bytes OUI + 1 byte OUI type */
+ if (ie[1] < 4)
+ return NULL;
+ vie = (struct ieee80211_vendor_ie *)ie;
+ oui = vie->oui[0] << 16 | vie->oui[1] << 8 | vie->oui[2];
+ return cfg80211_find_vendor_ie(oui, vie->oui_type, ies,
+ ies_len);
+}
+
+/**
+ * merge the IEs in two lists into a single list.
+ * do not include IEs from the second list which exist in the first list.
+ * add only vendor specific IEs from second list to keep
+ * the merged list sorted (since vendor-specific IE has the
+ * highest tag number)
+ * caller must free the allocated memory for merged IEs
+ */
+static int _wil_cfg80211_merge_extra_ies(const u8 *ies1, u16 ies1_len,
+ const u8 *ies2, u16 ies2_len,
+ u8 **merged_ies, u16 *merged_len)
+{
+ u8 *buf, *dpos;
+ const u8 *spos;
+
+ if (ies1_len == 0 && ies2_len == 0) {
+ *merged_ies = NULL;
+ *merged_len = 0;
+ return 0;
+ }
+
+ buf = kmalloc(ies1_len + ies2_len, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+ memcpy(buf, ies1, ies1_len);
+ dpos = buf + ies1_len;
+ spos = ies2;
+ while (spos + 1 < ies2 + ies2_len) {
+ /* IE tag at offset 0, length at offset 1 */
+ u16 ielen = 2 + spos[1];
+
+ if (spos + ielen > ies2 + ies2_len)
+ break;
+ if (spos[0] == WLAN_EID_VENDOR_SPECIFIC &&
+ !_wil_cfg80211_find_ie(ies1, ies1_len, spos, ielen)) {
+ memcpy(dpos, spos, ielen);
+ dpos += ielen;
+ }
+ spos += ielen;
+ }
+
+ *merged_ies = buf;
+ *merged_len = dpos - buf;
+ return 0;
+}
+
+static void wil_print_bcon_data(struct cfg80211_beacon_data *b)
+{
+ print_hex_dump_bytes("head ", DUMP_PREFIX_OFFSET,
+ b->head, b->head_len);
+ print_hex_dump_bytes("tail ", DUMP_PREFIX_OFFSET,
+ b->tail, b->tail_len);
+ print_hex_dump_bytes("BCON IE ", DUMP_PREFIX_OFFSET,
+ b->beacon_ies, b->beacon_ies_len);
+ print_hex_dump_bytes("PROBE ", DUMP_PREFIX_OFFSET,
+ b->probe_resp, b->probe_resp_len);
+ print_hex_dump_bytes("PROBE IE ", DUMP_PREFIX_OFFSET,
+ b->proberesp_ies, b->proberesp_ies_len);
+ print_hex_dump_bytes("ASSOC IE ", DUMP_PREFIX_OFFSET,
+ b->assocresp_ies, b->assocresp_ies_len);
+}
+
+/* internal functions for device reset and starting AP */
+static int _wil_cfg80211_set_ies(struct wiphy *wiphy,
+ struct cfg80211_beacon_data *bcon)
+{
+ int rc;
+ struct wil6210_priv *wil = wiphy_to_wil(wiphy);
+ u16 len = 0, proberesp_len = 0;
+ u8 *ies = NULL, *proberesp = NULL;
+
+ if (bcon->probe_resp) {
+ struct ieee80211_mgmt *f =
+ (struct ieee80211_mgmt *)bcon->probe_resp;
+ size_t hlen = offsetof(struct ieee80211_mgmt,
+ u.probe_resp.variable);
+ proberesp = f->u.probe_resp.variable;
+ proberesp_len = bcon->probe_resp_len - hlen;
+ }
+ rc = _wil_cfg80211_merge_extra_ies(proberesp,
+ proberesp_len,
+ bcon->proberesp_ies,
+ bcon->proberesp_ies_len,
+ &ies, &len);
+
+ if (rc)
+ goto out;
+
+ rc = wmi_set_ie(wil, WMI_FRAME_PROBE_RESP, len, ies);
+ if (rc)
+ goto out;
+
+ if (bcon->assocresp_ies)
+ rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_RESP,
+ bcon->assocresp_ies_len, bcon->assocresp_ies);
+ else
+ rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_RESP, len, ies);
+#if 0 /* to use beacon IE's, remove this #if 0 */
+ if (rc)
+ goto out;
+
+ rc = wmi_set_ie(wil, WMI_FRAME_BEACON, bcon->tail_len, bcon->tail);
+#endif
+out:
+ kfree(ies);
+ return rc;
+}
+
+static int _wil_cfg80211_start_ap(struct wiphy *wiphy,
+ struct net_device *ndev,
+ const u8 *ssid, size_t ssid_len, u32 privacy,
+ int bi, u8 chan,
+ struct cfg80211_beacon_data *bcon,
+ u8 hidden_ssid, u32 pbss)
+{
+ struct wil6210_priv *wil = wiphy_to_wil(wiphy);
+ int rc;
+ struct wireless_dev *wdev = ndev->ieee80211_ptr;
+ u8 wmi_nettype = wil_iftype_nl2wmi(wdev->iftype);
+ u8 is_go = (wdev->iftype == NL80211_IFTYPE_P2P_GO);
+
+ if (pbss)
+ wmi_nettype = WMI_NETTYPE_P2P;
+
+ wil_dbg_misc(wil, "start_ap: is_go=%d\n", is_go);
+ if (is_go && !pbss) {
+ wil_err(wil, "P2P GO must be in PBSS\n");
+ return -ENOTSUPP;
+ }
+
+ wil_set_recovery_state(wil, fw_recovery_idle);
+
+ mutex_lock(&wil->mutex);
+
+ __wil_down(wil);
+ rc = __wil_up(wil);
+ if (rc)
+ goto out;
+
+ rc = wmi_set_ssid(wil, ssid_len, ssid);
+ if (rc)
+ goto out;
+
+ rc = _wil_cfg80211_set_ies(wiphy, bcon);
+ if (rc)
+ goto out;
+
+ wil->privacy = privacy;
+ wil->channel = chan;
+ wil->hidden_ssid = hidden_ssid;
+ wil->pbss = pbss;
+
+ netif_carrier_on(ndev);
+
+ rc = wmi_pcp_start(wil, bi, wmi_nettype, chan, hidden_ssid, is_go);
+ if (rc)
+ goto err_pcp_start;
+
+ rc = wil_bcast_init(wil);
+ if (rc)
+ goto err_bcast;
+
+ goto out; /* success */
+
+err_bcast:
+ wmi_pcp_stop(wil);
+err_pcp_start:
+ netif_carrier_off(ndev);
+out:
+ mutex_unlock(&wil->mutex);
+ return rc;
+}
+
+static int wil_cfg80211_change_beacon(struct wiphy *wiphy,
+ struct net_device *ndev,
+ struct cfg80211_beacon_data *bcon)
+{
+ struct wil6210_priv *wil = wiphy_to_wil(wiphy);
+ int rc;
+ u32 privacy = 0;
+
+ wil_dbg_misc(wil, "change_beacon\n");
+ wil_print_bcon_data(bcon);
+
+ if (bcon->tail &&
+ cfg80211_find_ie(WLAN_EID_RSN, bcon->tail,
+ bcon->tail_len))
+ privacy = 1;
+
+ /* in case privacy has changed, need to restart the AP */
+ if (wil->privacy != privacy) {
+ struct wireless_dev *wdev = ndev->ieee80211_ptr;
+
+ wil_dbg_misc(wil, "privacy changed %d=>%d. Restarting AP\n",
+ wil->privacy, privacy);
+
+ rc = _wil_cfg80211_start_ap(wiphy, ndev, wdev->ssid,
+ wdev->ssid_len, privacy,
+ wdev->beacon_interval,
+ wil->channel, bcon,
+ wil->hidden_ssid,
+ wil->pbss);
+ } else {
+ rc = _wil_cfg80211_set_ies(wiphy, bcon);
+ }
+
+ return rc;
+}
+
+static int wil_cfg80211_start_ap(struct wiphy *wiphy,
+ struct net_device *ndev,
+ struct cfg80211_ap_settings *info)
+{
+ int rc;
+ struct wil6210_priv *wil = wiphy_to_wil(wiphy);
+ struct ieee80211_channel *channel = info->chandef.chan;
+ struct cfg80211_beacon_data *bcon = &info->beacon;
+ struct cfg80211_crypto_settings *crypto = &info->crypto;
+ u8 hidden_ssid;
+
+ wil_dbg_misc(wil, "start_ap\n");
+
+ if (!channel) {
+ wil_err(wil, "AP: No channel???\n");
+ return -EINVAL;
+ }
+
+ switch (info->hidden_ssid) {
+ case NL80211_HIDDEN_SSID_NOT_IN_USE:
+ hidden_ssid = WMI_HIDDEN_SSID_DISABLED;
+ break;
+
+ case NL80211_HIDDEN_SSID_ZERO_LEN:
+ hidden_ssid = WMI_HIDDEN_SSID_SEND_EMPTY;
+ break;
+
+ case NL80211_HIDDEN_SSID_ZERO_CONTENTS:
+ hidden_ssid = WMI_HIDDEN_SSID_CLEAR;
+ break;
+
+ default:
+ wil_err(wil, "AP: Invalid hidden SSID %d\n", info->hidden_ssid);
+ return -EOPNOTSUPP;
+ }
+ wil_dbg_misc(wil, "AP on Channel %d %d MHz, %s\n", channel->hw_value,
+ channel->center_freq, info->privacy ? "secure" : "open");
+ wil_dbg_misc(wil, "Privacy: %d auth_type %d\n",
+ info->privacy, info->auth_type);
+ wil_dbg_misc(wil, "Hidden SSID mode: %d\n",
+ info->hidden_ssid);
+ wil_dbg_misc(wil, "BI %d DTIM %d\n", info->beacon_interval,
+ info->dtim_period);
+ wil_dbg_misc(wil, "PBSS %d\n", info->pbss);
+ print_hex_dump_bytes("SSID ", DUMP_PREFIX_OFFSET,
+ info->ssid, info->ssid_len);
+ wil_print_bcon_data(bcon);
+ wil_print_crypto(wil, crypto);
+
+ rc = _wil_cfg80211_start_ap(wiphy, ndev,
+ info->ssid, info->ssid_len, info->privacy,
+ info->beacon_interval, channel->hw_value,
+ bcon, hidden_ssid, info->pbss);
+
+ return rc;
+}
+
+static int wil_cfg80211_stop_ap(struct wiphy *wiphy,
+ struct net_device *ndev)
+{
+ struct wil6210_priv *wil = wiphy_to_wil(wiphy);
+
+ wil_dbg_misc(wil, "stop_ap\n");
+
+ netif_carrier_off(ndev);
+ wil_set_recovery_state(wil, fw_recovery_idle);
+
+ mutex_lock(&wil->mutex);
+
+ wmi_pcp_stop(wil);
+
+ __wil_down(wil);
+
+ mutex_unlock(&wil->mutex);
+
+ return 0;
+}
+
+static int wil_cfg80211_add_station(struct wiphy *wiphy,
+ struct net_device *dev,
+ const u8 *mac,
+ struct station_parameters *params)
+{
+ struct wil6210_priv *wil = wiphy_to_wil(wiphy);
+
+ wil_dbg_misc(wil, "add station %pM aid %d\n", mac, params->aid);
+
+ if (!disable_ap_sme) {
+ wil_err(wil, "not supported with AP SME enabled\n");
+ return -EOPNOTSUPP;
+ }
+
+ if (params->aid > WIL_MAX_DMG_AID) {
+ wil_err(wil, "invalid aid\n");
+ return -EINVAL;
+ }
+
+ return wmi_new_sta(wil, mac, params->aid);
+}
+
+static int wil_cfg80211_del_station(struct wiphy *wiphy,
+ struct net_device *dev,
+ struct station_del_parameters *params)
+{
+ struct wil6210_priv *wil = wiphy_to_wil(wiphy);
+
+ wil_dbg_misc(wil, "del_station: %pM, reason=%d\n", params->mac,
+ params->reason_code);
+
+ mutex_lock(&wil->mutex);
+ wil6210_disconnect(wil, params->mac, params->reason_code, false);
+ mutex_unlock(&wil->mutex);
+
+ return 0;
+}
+
+static int wil_cfg80211_change_station(struct wiphy *wiphy,
+ struct net_device *dev,
+ const u8 *mac,
+ struct station_parameters *params)
+{
+ struct wil6210_priv *wil = wiphy_to_wil(wiphy);
+ int authorize;
+ int cid, i;
+ struct vring_tx_data *txdata = NULL;
+
+ wil_dbg_misc(wil, "change station %pM mask 0x%x set 0x%x\n", mac,
+ params->sta_flags_mask, params->sta_flags_set);
+
+ if (!disable_ap_sme) {
+ wil_dbg_misc(wil, "not supported with AP SME enabled\n");
+ return -EOPNOTSUPP;
+ }
+
+ if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
+ return 0;
+
+ cid = wil_find_cid(wil, mac);
+ if (cid < 0) {
+ wil_err(wil, "station not found\n");
+ return -ENOLINK;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(wil->vring2cid_tid); i++)
+ if (wil->vring2cid_tid[i][0] == cid) {
+ txdata = &wil->vring_tx_data[i];
+ break;
+ }
+
+ if (!txdata) {
+ wil_err(wil, "vring data not found\n");
+ return -ENOLINK;
+ }
+
+ authorize = params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED);
+ txdata->dot1x_open = authorize ? 1 : 0;
+ wil_dbg_misc(wil, "cid %d vring %d authorize %d\n", cid, i,
+ txdata->dot1x_open);
+
+ return 0;
+}
+
+/* probe_client handling */
+static void wil_probe_client_handle(struct wil6210_priv *wil,
+ struct wil_probe_client_req *req)
+{
+ struct net_device *ndev = wil_to_ndev(wil);
+ struct wil_sta_info *sta = &wil->sta[req->cid];
+ /* assume STA is alive if it is still connected,
+ * else FW will disconnect it
+ */
+ bool alive = (sta->status == wil_sta_connected);
+
+ cfg80211_probe_status(ndev, sta->addr, req->cookie, alive, GFP_KERNEL);
+}
+
+static struct list_head *next_probe_client(struct wil6210_priv *wil)
+{
+ struct list_head *ret = NULL;
+
+ mutex_lock(&wil->probe_client_mutex);
+
+ if (!list_empty(&wil->probe_client_pending)) {
+ ret = wil->probe_client_pending.next;
+ list_del(ret);
+ }
+
+ mutex_unlock(&wil->probe_client_mutex);
+
+ return ret;
+}
+
+void wil_probe_client_worker(struct work_struct *work)
+{
+ struct wil6210_priv *wil = container_of(work, struct wil6210_priv,
+ probe_client_worker);
+ struct wil_probe_client_req *req;
+ struct list_head *lh;
+
+ while ((lh = next_probe_client(wil)) != NULL) {
+ req = list_entry(lh, struct wil_probe_client_req, list);
+
+ wil_probe_client_handle(wil, req);
+ kfree(req);
+ }
+}
+
+void wil_probe_client_flush(struct wil6210_priv *wil)
+{
+ struct wil_probe_client_req *req, *t;
+
+ wil_dbg_misc(wil, "probe_client_flush\n");
+
+ mutex_lock(&wil->probe_client_mutex);
+
+ list_for_each_entry_safe(req, t, &wil->probe_client_pending, list) {
+ list_del(&req->list);
+ kfree(req);
+ }
+
+ mutex_unlock(&wil->probe_client_mutex);
+}
+
+static int wil_cfg80211_probe_client(struct wiphy *wiphy,
+ struct net_device *dev,
+ const u8 *peer, u64 *cookie)
+{
+ struct wil6210_priv *wil = wiphy_to_wil(wiphy);
+ struct wil_probe_client_req *req;
+ int cid = wil_find_cid(wil, peer);
+
+ wil_dbg_misc(wil, "probe_client: %pM => CID %d\n", peer, cid);
+
+ if (cid < 0)
+ return -ENOLINK;
+
+ req = kzalloc(sizeof(*req), GFP_KERNEL);
+ if (!req)
+ return -ENOMEM;
+
+ req->cid = cid;
+ req->cookie = cid;
+
+ mutex_lock(&wil->probe_client_mutex);
+ list_add_tail(&req->list, &wil->probe_client_pending);
+ mutex_unlock(&wil->probe_client_mutex);
+
+ *cookie = req->cookie;
+ queue_work(wil->wq_service, &wil->probe_client_worker);
+ return 0;
+}
+
+static int wil_cfg80211_change_bss(struct wiphy *wiphy,
+ struct net_device *dev,
+ struct bss_parameters *params)
+{
+ struct wil6210_priv *wil = wiphy_to_wil(wiphy);
+
+ if (params->ap_isolate >= 0) {
+ wil_dbg_misc(wil, "change_bss: ap_isolate %d => %d\n",
+ wil->ap_isolate, params->ap_isolate);
+ wil->ap_isolate = params->ap_isolate;
+ }
+
+ return 0;
+}
+
+static int wil_cfg80211_start_p2p_device(struct wiphy *wiphy,
+ struct wireless_dev *wdev)
+{
+ struct wil6210_priv *wil = wiphy_to_wil(wiphy);
+
+ wil_dbg_misc(wil, "start_p2p_device: entered\n");
+ wil->p2p.p2p_dev_started = 1;
+ return 0;
+}
+
+static void wil_cfg80211_stop_p2p_device(struct wiphy *wiphy,
+ struct wireless_dev *wdev)
+{
+ struct wil6210_priv *wil = wiphy_to_wil(wiphy);
+ struct wil_p2p_info *p2p = &wil->p2p;
+
+ if (!p2p->p2p_dev_started)
+ return;
+
+ wil_dbg_misc(wil, "stop_p2p_device: entered\n");
+ mutex_lock(&wil->mutex);
+ mutex_lock(&wil->p2p_wdev_mutex);
+ wil_p2p_stop_radio_operations(wil);
+ p2p->p2p_dev_started = 0;
+ mutex_unlock(&wil->p2p_wdev_mutex);
+ mutex_unlock(&wil->mutex);
+}
+
+static int wil_cfg80211_set_power_mgmt(struct wiphy *wiphy,
+ struct net_device *dev,
+ bool enabled, int timeout)
+{
+ struct wil6210_priv *wil = wiphy_to_wil(wiphy);
+ enum wmi_ps_profile_type ps_profile;
+ int rc;
+
+ if (!test_bit(WMI_FW_CAPABILITY_PS_CONFIG, wil->fw_capabilities)) {
+ wil_err(wil, "set_power_mgmt not supported\n");
+ return -EOPNOTSUPP;
+ }
+
+ wil_dbg_misc(wil, "enabled=%d, timeout=%d\n",
+ enabled, timeout);
+
+ if (enabled)
+ ps_profile = WMI_PS_PROFILE_TYPE_DEFAULT;
+ else
+ ps_profile = WMI_PS_PROFILE_TYPE_PS_DISABLED;
+
+ rc = wmi_ps_dev_profile_cfg(wil, ps_profile);
+ if (rc)
+ wil_err(wil, "wmi_ps_dev_profile_cfg failed (%d)\n", rc);
+
+ return rc;
+}
+
+static const struct cfg80211_ops wil_cfg80211_ops = {
+ .add_virtual_intf = wil_cfg80211_add_iface,
+ .del_virtual_intf = wil_cfg80211_del_iface,
+ .scan = wil_cfg80211_scan,
+ .abort_scan = wil_cfg80211_abort_scan,
+ .connect = wil_cfg80211_connect,
+ .disconnect = wil_cfg80211_disconnect,
+ .set_wiphy_params = wil_cfg80211_set_wiphy_params,
+ .change_virtual_intf = wil_cfg80211_change_iface,
+ .get_station = wil_cfg80211_get_station,
+ .dump_station = wil_cfg80211_dump_station,
+ .remain_on_channel = wil_remain_on_channel,
+ .cancel_remain_on_channel = wil_cancel_remain_on_channel,
+ .mgmt_tx = wil_cfg80211_mgmt_tx,
+ .set_monitor_channel = wil_cfg80211_set_channel,
+ .add_key = wil_cfg80211_add_key,
+ .del_key = wil_cfg80211_del_key,
+ .set_default_key = wil_cfg80211_set_default_key,
+ /* AP mode */
+ .change_beacon = wil_cfg80211_change_beacon,
+ .start_ap = wil_cfg80211_start_ap,
+ .stop_ap = wil_cfg80211_stop_ap,
+ .add_station = wil_cfg80211_add_station,
+ .del_station = wil_cfg80211_del_station,
+ .change_station = wil_cfg80211_change_station,
+ .probe_client = wil_cfg80211_probe_client,
+ .change_bss = wil_cfg80211_change_bss,
+ /* P2P device */
+ .start_p2p_device = wil_cfg80211_start_p2p_device,
+ .stop_p2p_device = wil_cfg80211_stop_p2p_device,
+ .set_power_mgmt = wil_cfg80211_set_power_mgmt,
+};
+
+static void wil_wiphy_init(struct wiphy *wiphy)
+{
+ wiphy->max_scan_ssids = 1;
+ wiphy->max_scan_ie_len = WMI_MAX_IE_LEN;
+ wiphy->max_remain_on_channel_duration = WIL_MAX_ROC_DURATION_MS;
+ wiphy->max_num_pmkids = 0 /* TODO: */;
+ wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
+ BIT(NL80211_IFTYPE_AP) |
+ BIT(NL80211_IFTYPE_P2P_CLIENT) |
+ BIT(NL80211_IFTYPE_P2P_GO) |
+ BIT(NL80211_IFTYPE_P2P_DEVICE) |
+ BIT(NL80211_IFTYPE_MONITOR);
+ wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
+ WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD |
+ WIPHY_FLAG_PS_ON_BY_DEFAULT;
+ if (!disable_ap_sme)
+ wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME;
+ dev_dbg(wiphy_dev(wiphy), "%s : flags = 0x%08x\n",
+ __func__, wiphy->flags);
+ wiphy->probe_resp_offload =
+ NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
+ NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
+ NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
+
+ wiphy->bands[NL80211_BAND_60GHZ] = &wil_band_60ghz;
+
+ /* TODO: figure this out */
+ wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC;
+
+ wiphy->cipher_suites = wil_cipher_suites;
+ wiphy->n_cipher_suites = ARRAY_SIZE(wil_cipher_suites);
+ wiphy->mgmt_stypes = wil_mgmt_stypes;
+ wiphy->features |= NL80211_FEATURE_SK_TX_STATUS;
+}
+
+struct wireless_dev *wil_cfg80211_init(struct device *dev)
+{
+ int rc = 0;
+ struct wireless_dev *wdev;
+
+ dev_dbg(dev, "%s()\n", __func__);
+
+ wdev = kzalloc(sizeof(*wdev), GFP_KERNEL);
+ if (!wdev)
+ return ERR_PTR(-ENOMEM);
+
+ wdev->wiphy = wiphy_new(&wil_cfg80211_ops,
+ sizeof(struct wil6210_priv));
+ if (!wdev->wiphy) {
+ rc = -ENOMEM;
+ goto out;
+ }
+
+ set_wiphy_dev(wdev->wiphy, dev);
+ wil_wiphy_init(wdev->wiphy);
+
+ return wdev;
+
+out:
+ kfree(wdev);
+
+ return ERR_PTR(rc);
+}
+
+void wil_wdev_free(struct wil6210_priv *wil)
+{
+ struct wireless_dev *wdev = wil_to_wdev(wil);
+
+ dev_dbg(wil_to_dev(wil), "%s()\n", __func__);
+
+ if (!wdev)
+ return;
+
+ wiphy_free(wdev->wiphy);
+ kfree(wdev);
+}
+
+void wil_p2p_wdev_free(struct wil6210_priv *wil)
+{
+ struct wireless_dev *p2p_wdev;
+
+ mutex_lock(&wil->p2p_wdev_mutex);
+ p2p_wdev = wil->p2p_wdev;
+ wil->p2p_wdev = NULL;
+ wil->radio_wdev = wil_to_wdev(wil);
+ mutex_unlock(&wil->p2p_wdev_mutex);
+ if (p2p_wdev) {
+ cfg80211_unregister_wdev(p2p_wdev);
+ kfree(p2p_wdev);
+ }
+}