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- /*
- * 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_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);
- return rc;
- }
- 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)
- 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_info(wil, "WSC connection\n");
- 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, 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, "%s(reason=%d)\n", __func__, reason_code);
- 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 enum wmi_key_usage wil_detect_key_usage(struct wil6210_priv *wil,
- bool pairwise)
- {
- struct wireless_dev *wdev = wil->wdev;
- enum wmi_key_usage rc;
- static const char * const key_usage_str[] = {
- [WMI_KEY_USE_PAIRWISE] = "WMI_KEY_USE_PAIRWISE",
- [WMI_KEY_USE_RX_GROUP] = "WMI_KEY_USE_RX_GROUP",
- [WMI_KEY_USE_TX_GROUP] = "WMI_KEY_USE_TX_GROUP",
- };
- if (pairwise) {
- rc = WMI_KEY_USE_PAIRWISE;
- } else {
- switch (wdev->iftype) {
- case NL80211_IFTYPE_STATION:
- rc = WMI_KEY_USE_RX_GROUP;
- break;
- case NL80211_IFTYPE_AP:
- 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, "%s() -> %s\n", __func__, key_usage_str[rc]);
- return rc;
- }
- 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);
- enum wmi_key_usage key_usage = wil_detect_key_usage(wil, pairwise);
- wil_dbg_misc(wil, "%s(%pM[%d] %s)\n", __func__, mac_addr, key_index,
- pairwise ? "PTK" : "GTK");
- return wmi_add_cipher_key(wil, key_index, mac_addr, params->key_len,
- params->key, key_usage);
- }
- 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);
- wil_dbg_misc(wil, "%s(%pM[%d] %s)\n", __func__, mac_addr, key_index,
- pairwise ? "PTK" : "GTK");
- 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)
- {
- 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);
- if (bcon->probe_resp_len <= hlen)
- return 0;
- /* always use IE's from full probe frame, they has more info
- * notable RSN
- */
- bcon->proberesp_ies = f->u.probe_resp.variable;
- bcon->proberesp_ies_len = bcon->probe_resp_len - hlen;
- if (!bcon->assocresp_ies) {
- bcon->assocresp_ies = bcon->proberesp_ies;
- bcon->assocresp_ies_len = bcon->proberesp_ies_len;
- }
- return 1;
- }
- /* 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);
- rc = wmi_set_ie(wil, WMI_FRAME_PROBE_RESP, bcon->proberesp_ies_len,
- bcon->proberesp_ies);
- if (rc)
- return rc;
- rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_RESP, bcon->assocresp_ies_len,
- bcon->assocresp_ies);
- #if 0 /* to use beacon IE's, remove this #if 0 */
- if (rc)
- return rc;
- rc = wmi_set_ie(wil, WMI_FRAME_BEACON, bcon->tail_len, bcon->tail);
- #endif
- 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)
- {
- 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);
- 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;
- netif_carrier_on(ndev);
- rc = wmi_pcp_start(wil, bi, wmi_nettype, chan, hidden_ssid);
- 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, "%s()\n", __func__);
- wil_print_bcon_data(bcon);
- if (wil_fix_bcon(wil, bcon)) {
- wil_dbg_misc(wil, "Fixed bcon\n");
- wil_print_bcon_data(bcon);
- }
- if (bcon->proberesp_ies &&
- cfg80211_find_ie(WLAN_EID_RSN, bcon->proberesp_ies,
- bcon->proberesp_ies_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);
- } 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, "%s()\n", __func__);
- 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);
- 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);
- }
- rc = _wil_cfg80211_start_ap(wiphy, ndev,
- info->ssid, info->ssid_len, info->privacy,
- info->beacon_interval, channel->hw_value,
- bcon, hidden_ssid);
- 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);
- mutex_unlock(&wil->mutex);
- 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);
- wil_dbg_misc(wil, "%s(%pM, reason=%d)\n", __func__, params->mac,
- params->reason_code);
- 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)
- {
- wiphy->max_scan_ssids = 1;
- 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);
- }
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