--- /dev/null
+/*
+ * Copyright (c) 2012-2015 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 "wil6210.h"
+#include "wmi.h"
+
+#define CHAN60G(_channel, _flags) { \
+ .band = IEEE80211_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),
+ .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
+ BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
+ },
+ [NL80211_IFTYPE_P2P_CLIENT] = {
+ .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
+ BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
+ .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
+ BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
+ },
+ [NL80211_IFTYPE_P2P_GO] = {
+ .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
+ BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
+ .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
+ BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
+ },
+};
+
+static const u32 wil_cipher_suites[] = {
+ WLAN_CIPHER_SUITE_GCMP,
+};
+
+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 wil6210_mbox_hdr_wmi 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, "%s(%pM) CID %d\n", __func__, 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, "%s(%pM) CID %d\n", __func__, mac, cid);
+
+ rc = wil_cid_fill_sinfo(wil, cid, sinfo);
+
+ return rc;
+}
+
+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->wdev;
+
+ 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 = wil->wdev;
+ struct {
+ struct wmi_start_scan_cmd cmd;
+ u16 chnl[4];
+ } __packed cmd;
+ uint i, n;
+ int rc;
+
+ if (wil->scan_request) {
+ wil_err(wil, "Already scanning\n");
+ return -EAGAIN;
+ }
+
+ /* check we are client side */
+ switch (wdev->iftype) {
+ case NL80211_IFTYPE_STATION:
+ case NL80211_IFTYPE_P2P_CLIENT:
+ 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;
+ }
+
+ wil_dbg_misc(wil, "Start scan_request 0x%p\n", request);
+ wil->scan_request = request;
+ mod_timer(&wil->scan_timer, jiffies + WIL6210_SCAN_TO);
+
+ memset(&cmd, 0, sizeof(cmd));
+ 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) {
+ wil_err(wil, "Aborting scan, set_ie failed: %d\n", rc);
+ goto out;
+ }
+
+ rc = wmi_send(wil, WMI_START_SCAN_CMDID, &cmd, sizeof(cmd.cmd) +
+ cmd.cmd.num_channels * sizeof(cmd.cmd.channel_list[0]));
+
+out:
+ if (rc) {
+ del_timer_sync(&wil->scan_timer);
+ wil->scan_request = NULL;
+ }
+
+ return rc;
+}
+
+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_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;
+
+ 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_err(wil, "Missing RSN IE for secure connection\n");
+ return -EINVAL;
+ }
+
+ bss = cfg80211_get_bss(wiphy, sme->channel, sme->bssid,
+ sme->ssid, sme->ssid_len,
+ IEEE80211_BSS_TYPE_ESS, 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;
+
+ if (wil->privacy) {
+ /* For secure assoc, send WMI_DELETE_CIPHER_KEY_CMD */
+ rc = wmi_del_cipher_key(wil, 0, bss->bssid);
+ if (rc) {
+ wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD 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) {
+ wil_err(wil, "WMI_SET_APPIE_CMD failed\n");
+ 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) {
+ 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;
+ } else {
+ 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);
+
+ rc = wmi_send(wil, WMI_DISCONNECT_CMDID, NULL, 0);
+
+ return rc;
+}
+
+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 wil6210_mbox_hdr_wmi wmi;
+ struct wmi_sw_tx_complete_event evt;
+ } __packed evt;
+
+ 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->wdev;
+
+ wdev->preset_chandef = *chandef;
+
+ return 0;
+}
+
+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)
+{
+ struct wil6210_priv *wil = wiphy_to_wil(wiphy);
+
+ /* group key is not used */
+ if (!pairwise)
+ return 0;
+
+ return wmi_add_cipher_key(wil, key_index, mac_addr,
+ params->key_len, params->key);
+}
+
+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);
+
+ /* group key is not used */
+ if (!pairwise)
+ return 0;
+
+ return wmi_del_cipher_key(wil, key_index, mac_addr);
+}
+
+/* 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)
+{
+ 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;
+
+ /* TODO: handle duration */
+ wil_info(wil, "%s(%d, %d ms)\n", __func__, chan->center_freq, duration);
+
+ rc = wmi_set_channel(wil, chan->hw_value);
+ if (rc)
+ return rc;
+
+ rc = wmi_rxon(wil, true);
+
+ 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);
+ int rc;
+
+ wil_info(wil, "%s()\n", __func__);
+
+ rc = wmi_rxon(wil, false);
+
+ return rc;
+}
+
+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);
+}
+
+static int wil_fix_bcon(struct wil6210_priv *wil,
+ struct cfg80211_beacon_data *bcon)
+{
+ struct ieee80211_mgmt *f = (struct ieee80211_mgmt *)bcon->probe_resp;
+ size_t hlen = offsetof(struct ieee80211_mgmt, u.probe_resp.variable);
+ int rc = 0;
+
+ if (bcon->probe_resp_len <= hlen)
+ return 0;
+
+ if (!bcon->proberesp_ies) {
+ bcon->proberesp_ies = f->u.probe_resp.variable;
+ bcon->proberesp_ies_len = bcon->probe_resp_len - hlen;
+ rc = 1;
+ }
+ if (!bcon->assocresp_ies) {
+ bcon->assocresp_ies = f->u.probe_resp.variable;
+ bcon->assocresp_ies_len = bcon->probe_resp_len - hlen;
+ rc = 1;
+ }
+
+ 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;
+
+ wil_dbg_misc(wil, "%s()\n", __func__);
+
+ if (wil_fix_bcon(wil, bcon)) {
+ wil_dbg_misc(wil, "Fixed bcon\n");
+ wil_print_bcon_data(bcon);
+ }
+
+ /* FW do not form regular beacon, so bcon IE's are not set
+ * For the DMG bcon, when it will be supported, bcon IE's will
+ * be reused; add something like:
+ * wmi_set_ie(wil, WMI_FRAME_BEACON, bcon->beacon_ies_len,
+ * bcon->beacon_ies);
+ */
+ rc = wmi_set_ie(wil, WMI_FRAME_PROBE_RESP,
+ bcon->proberesp_ies_len,
+ bcon->proberesp_ies);
+ if (rc) {
+ wil_err(wil, "set_ie(PROBE_RESP) failed\n");
+ return rc;
+ }
+
+ rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_RESP,
+ bcon->assocresp_ies_len,
+ bcon->assocresp_ies);
+ if (rc) {
+ wil_err(wil, "set_ie(ASSOC_RESP) failed\n");
+ return rc;
+ }
+
+ return 0;
+}
+
+static int wil_cfg80211_start_ap(struct wiphy *wiphy,
+ struct net_device *ndev,
+ struct cfg80211_ap_settings *info)
+{
+ int rc = 0;
+ struct wil6210_priv *wil = wiphy_to_wil(wiphy);
+ struct wireless_dev *wdev = ndev->ieee80211_ptr;
+ struct ieee80211_channel *channel = info->chandef.chan;
+ struct cfg80211_beacon_data *bcon = &info->beacon;
+ struct cfg80211_crypto_settings *crypto = &info->crypto;
+ u8 wmi_nettype = wil_iftype_nl2wmi(wdev->iftype);
+
+ wil_dbg_misc(wil, "%s()\n", __func__);
+
+ if (!channel) {
+ wil_err(wil, "AP: No channel???\n");
+ return -EINVAL;
+ }
+
+ 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, "BI %d DTIM %d\n", info->beacon_interval,
+ info->dtim_period);
+ print_hex_dump_bytes("SSID ", DUMP_PREFIX_OFFSET,
+ info->ssid, info->ssid_len);
+ wil_print_bcon_data(bcon);
+ wil_print_crypto(wil, crypto);
+
+ if (wil_fix_bcon(wil, bcon)) {
+ wil_dbg_misc(wil, "Fixed bcon\n");
+ wil_print_bcon_data(bcon);
+ }
+
+ 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, info->ssid_len, info->ssid);
+ if (rc)
+ goto out;
+
+ /* IE's */
+ /* bcon 'head IE's are not relevant for 60g band */
+ /*
+ * FW do not form regular beacon, so bcon IE's are not set
+ * For the DMG bcon, when it will be supported, bcon IE's will
+ * be reused; add something like:
+ * wmi_set_ie(wil, WMI_FRAME_BEACON, bcon->beacon_ies_len,
+ * bcon->beacon_ies);
+ */
+ wmi_set_ie(wil, WMI_FRAME_PROBE_RESP, bcon->proberesp_ies_len,
+ bcon->proberesp_ies);
+ wmi_set_ie(wil, WMI_FRAME_ASSOC_RESP, bcon->assocresp_ies_len,
+ bcon->assocresp_ies);
+
+ wil->privacy = info->privacy;
+
+ netif_carrier_on(ndev);
+
+ rc = wmi_pcp_start(wil, info->beacon_interval, wmi_nettype,
+ channel->hw_value);
+ 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_stop_ap(struct wiphy *wiphy,
+ struct net_device *ndev)
+{
+ struct wil6210_priv *wil = wiphy_to_wil(wiphy);
+
+ wil_dbg_misc(wil, "%s()\n", __func__);
+
+ netif_carrier_off(ndev);
+ wil_set_recovery_state(wil, fw_recovery_idle);
+
+ mutex_lock(&wil->mutex);
+
+ wmi_pcp_stop(wil);
+
+ __wil_down(wil);
+ __wil_up(wil);
+
+ mutex_unlock(&wil->mutex);
+
+ /* some functions above might fail (e.g. __wil_up). Nevertheless, we
+ * return success because AP has stopped
+ */
+ return 0;
+}
+
+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);
+
+ mutex_lock(&wil->mutex);
+ wil6210_disconnect(wil, params->mac, params->reason_code, false);
+ mutex_unlock(&wil->mutex);
+
+ 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, "%s()\n", __func__);
+
+ 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, "%s(%pM => CID %d)\n", __func__, 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, "%s(ap_isolate %d => %d)\n", __func__,
+ wil->ap_isolate, params->ap_isolate);
+ wil->ap_isolate = params->ap_isolate;
+ }
+
+ return 0;
+}
+
+static struct cfg80211_ops wil_cfg80211_ops = {
+ .scan = wil_cfg80211_scan,
+ .connect = wil_cfg80211_connect,
+ .disconnect = wil_cfg80211_disconnect,
+ .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,
+ .del_station = wil_cfg80211_del_station,
+ .probe_client = wil_cfg80211_probe_client,
+ .change_bss = wil_cfg80211_change_bss,
+};
+
+static void wil_wiphy_init(struct wiphy *wiphy)
+{
+ /* TODO: set real value */
+ wiphy->max_scan_ssids = 10;
+ wiphy->max_scan_ie_len = WMI_MAX_IE_LEN;
+ wiphy->max_num_pmkids = 0 /* TODO: */;
+ wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
+ BIT(NL80211_IFTYPE_AP) |
+ BIT(NL80211_IFTYPE_MONITOR);
+ /* TODO: enable P2P when integrated with supplicant:
+ * BIT(NL80211_IFTYPE_P2P_CLIENT) | BIT(NL80211_IFTYPE_P2P_GO)
+ */
+ wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME |
+ WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
+ 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[IEEE80211_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);
+
+ rc = wiphy_register(wdev->wiphy);
+ if (rc < 0)
+ goto out_failed_reg;
+
+ return wdev;
+
+out_failed_reg:
+ wiphy_free(wdev->wiphy);
+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_unregister(wdev->wiphy);
+ wiphy_free(wdev->wiphy);
+ kfree(wdev);
+}
Code Review / kvmfornfv.git / blobdiff