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linux/drivers/net/wireless/ath/wil6210/cfg80211.c

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/*
* Copyright (c) 2012-2016 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 WIL_MAX_ROC_DURATION_MS 5000
#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),
.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)
},
[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, "%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 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, "%s()\n", __func__);
if (type != NL80211_IFTYPE_P2P_DEVICE) {
wil_err(wil, "%s: unsupported iftype %d\n", __func__, type);
return ERR_PTR(-EINVAL);
}
if (wil->p2p_wdev) {
wil_err(wil, "%s: P2P_DEVICE interface already created\n",
__func__);
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, "%s()\n", __func__);
if (wdev != wil->p2p_wdev) {
wil_err(wil, "%s: delete of incorrect interface 0x%p\n",
__func__, 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, "%s() type=%d\n", __func__, 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, "%s(), wdev=0x%p iftype=%d\n",
__func__, wdev, wdev->iftype);
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:
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;
}
/* scan on P2P_DEVICE is handled as p2p search */
if (wdev->iftype == NL80211_IFTYPE_P2P_DEVICE) {
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;
}
return rc;
}
(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);
return rc;
}
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;
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:
if (rc) {
del_timer_sync(&wil->scan_timer);
wil->radio_wdev = wil_to_wdev(wil);
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_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, "%s()\n", __func__);
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;
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);
if (!(test_bit(wil_status_fwconnecting, wil->status) ||
test_bit(wil_status_fwconnected, wil->status))) {
wil_err(wil, "%s: Disconnect was called while disconnected\n",
__func__);
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, "%s: disconnect error %d\n", __func__, rc);
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 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, "%s()\n", __func__);
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, "%s() -> %s\n", __func__, key_usage_str[rc]);
return rc;
}
static struct wil_tid_crypto_rx_single *
wil_find_crypto_ctx(struct wil6210_priv *wil, u8 key_index,
enum wmi_key_usage key_usage, const u8 *mac_addr)
{
int cid = -EINVAL;
int tid = 0;
struct wil_sta_info *s;
struct wil_tid_crypto_rx *c;
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[%d]\n", mac_addr,
key_usage_str[key_usage], key_index);
return ERR_PTR(cid);
}
s = &wil->sta[cid];
if (key_usage == WMI_KEY_USE_PAIRWISE)
c = &s->tid_crypto_rx[tid];
else
c = &s->group_crypto_rx;
return &c->key_id[key_index];
}
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_tid_crypto_rx_single *cc = wil_find_crypto_ctx(wil,
key_index,
key_usage,
mac_addr);
wil_dbg_misc(wil, "%s(%pM %s[%d] PN %*phN)\n", __func__,
mac_addr, key_usage_str[key_usage], key_index,
params->seq_len, params->seq);
if (IS_ERR(cc)) {
wil_err(wil, "Not connected, %s(%pM %s[%d] PN %*phN)\n",
__func__, mac_addr, key_usage_str[key_usage], key_index,
params->seq_len, params->seq);
return -EINVAL;
}
if (cc)
cc->key_set = false;
if (params->seq && params->seq_len != IEEE80211_GCMP_PN_LEN) {
wil_err(wil,
"Wrong PN len %d, %s(%pM %s[%d] PN %*phN)\n",
params->seq_len, __func__, 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 == 0) && cc) {
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;
}
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_tid_crypto_rx_single *cc = wil_find_crypto_ctx(wil,
key_index,
key_usage,
mac_addr);
wil_dbg_misc(wil, "%s(%pM %s[%d])\n", __func__, mac_addr,
key_usage_str[key_usage], key_index);
if (IS_ERR(cc))
wil_info(wil, "Not connected, %s(%pM %s[%d])\n", __func__,
mac_addr, key_usage_str[key_usage], key_index);
if (!IS_ERR_OR_NULL(cc))
cc->key_set = false;
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, "%s: entered\n", __func__);
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, "%s() center_freq=%d, duration=%d iftype=%d\n",
__func__, chan->center_freq, duration, wdev->iftype);
rc = wil_p2p_listen(wil, duration, chan, cookie);
if (rc)
return rc;
wil->radio_wdev = wdev;
cfg80211_ready_on_channel(wdev, *cookie, chan, duration,
GFP_KERNEL);
return 0;
}
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, "%s()\n", __func__);
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, "%s: is_go=%d\n", __func__, is_go);
if (is_go && !pbss) {
wil_err(wil, "%s: P2P GO must be in PBSS\n", __func__);
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, "%s()\n", __func__);
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, "%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);
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, "%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 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, "%s: entered\n", __func__);
return 0;
}
static void wil_cfg80211_stop_p2p_device(struct wiphy *wiphy,
struct wireless_dev *wdev)
{
struct wil6210_priv *wil = wiphy_to_wil(wiphy);
wil_dbg_misc(wil, "%s: entered\n", __func__);
}
static struct cfg80211_ops wil_cfg80211_ops = {
.add_virtual_intf = wil_cfg80211_add_iface,
.del_virtual_intf = wil_cfg80211_del_iface,
.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,
/* P2P device */
.start_p2p_device = wil_cfg80211_start_p2p_device,
.stop_p2p_device = wil_cfg80211_stop_p2p_device,
};
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_HAVE_AP_SME |
WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
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[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);
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);
}
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;
if (p2p_wdev) {
wil->p2p_wdev = NULL;
wil->radio_wdev = wil_to_wdev(wil);
cfg80211_unregister_wdev(p2p_wdev);
kfree(p2p_wdev);
}
mutex_unlock(&wil->p2p_wdev_mutex);
}
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