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linux_dsm_epyc7002/drivers/net/wireless/ath/wil6210/cfg80211.c
Alexei Avshalom Lazar de77a53c2d wil6210: check null pointer in _wil_cfg80211_merge_extra_ies 
ies1 or ies2 might be null when code inside
_wil_cfg80211_merge_extra_ies access them.
Add explicit check for null and make sure ies1/ies2 are not
accessed in such a case.

spos might be null and be accessed inside
_wil_cfg80211_merge_extra_ies.
Add explicit check for null in the while condition statement
and make sure spos is not accessed in such a case.

Signed-off-by: Alexei Avshalom Lazar <ailizaro@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-02-28 11:25:09 +02:00

3040 lines
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/*
* Copyright (c) 2012-2017 Qualcomm Atheros, Inc.
* Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <linux/etherdevice.h>
#include <linux/moduleparam.h>
#include <net/netlink.h>
#include <net/cfg80211.h>
#include "wil6210.h"
#include "wmi.h"
#include "fw.h"
#define WIL_MAX_ROC_DURATION_MS 5000
bool disable_ap_sme;
module_param(disable_ap_sme, bool, 0444);
MODULE_PARM_DESC(disable_ap_sme, " let user space handle AP mode SME");
#ifdef CONFIG_PM
static struct wiphy_wowlan_support wil_wowlan_support = {
.flags = WIPHY_WOWLAN_ANY | WIPHY_WOWLAN_DISCONNECT,
};
#endif
#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),
CHAN60G(4, 0),
};
static void
wil_memdup_ie(u8 **pdst, size_t *pdst_len, const u8 *src, size_t src_len)
{
kfree(*pdst);
*pdst = NULL;
*pdst_len = 0;
if (src_len > 0) {
*pdst = kmemdup(src, src_len, GFP_KERNEL);
if (*pdst)
*pdst_len = src_len;
}
}
static int wil_num_supported_channels(struct wil6210_priv *wil)
{
int num_channels = ARRAY_SIZE(wil_60ghz_channels);
if (!test_bit(WMI_FW_CAPABILITY_CHANNEL_4, wil->fw_capabilities))
num_channels--;
return num_channels;
}
void update_supported_bands(struct wil6210_priv *wil)
{
struct wiphy *wiphy = wil_to_wiphy(wil);
wil_dbg_misc(wil, "update supported bands");
wiphy->bands[NL80211_BAND_60GHZ]->n_channels =
wil_num_supported_channels(wil);
}
/* Vendor id to be used in vendor specific command and events
* to user space.
* NOTE: The authoritative place for definition of QCA_NL80211_VENDOR_ID,
* vendor subcmd definitions prefixed with QCA_NL80211_VENDOR_SUBCMD, and
* qca_wlan_vendor_attr is open source file src/common/qca-vendor.h in
* git://w1.fi/srv/git/hostap.git; the values here are just a copy of that
*/
#define QCA_NL80211_VENDOR_ID 0x001374
#define WIL_MAX_RF_SECTORS (128)
#define WIL_CID_ALL (0xff)
enum qca_wlan_vendor_attr_rf_sector {
QCA_ATTR_MAC_ADDR = 6,
QCA_ATTR_PAD = 13,
QCA_ATTR_TSF = 29,
QCA_ATTR_DMG_RF_SECTOR_INDEX = 30,
QCA_ATTR_DMG_RF_SECTOR_TYPE = 31,
QCA_ATTR_DMG_RF_MODULE_MASK = 32,
QCA_ATTR_DMG_RF_SECTOR_CFG = 33,
QCA_ATTR_DMG_RF_SECTOR_MAX,
};
enum qca_wlan_vendor_attr_dmg_rf_sector_type {
QCA_ATTR_DMG_RF_SECTOR_TYPE_RX,
QCA_ATTR_DMG_RF_SECTOR_TYPE_TX,
QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX
};
enum qca_wlan_vendor_attr_dmg_rf_sector_cfg {
QCA_ATTR_DMG_RF_SECTOR_CFG_INVALID = 0,
QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX,
QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0,
QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1,
QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2,
QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI,
QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO,
QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16,
/* keep last */
QCA_ATTR_DMG_RF_SECTOR_CFG_AFTER_LAST,
QCA_ATTR_DMG_RF_SECTOR_CFG_MAX =
QCA_ATTR_DMG_RF_SECTOR_CFG_AFTER_LAST - 1
};
static const struct
nla_policy wil_rf_sector_policy[QCA_ATTR_DMG_RF_SECTOR_MAX + 1] = {
[QCA_ATTR_MAC_ADDR] = { .len = ETH_ALEN },
[QCA_ATTR_DMG_RF_SECTOR_INDEX] = { .type = NLA_U16 },
[QCA_ATTR_DMG_RF_SECTOR_TYPE] = { .type = NLA_U8 },
[QCA_ATTR_DMG_RF_MODULE_MASK] = { .type = NLA_U32 },
[QCA_ATTR_DMG_RF_SECTOR_CFG] = { .type = NLA_NESTED },
};
static const struct
nla_policy wil_rf_sector_cfg_policy[QCA_ATTR_DMG_RF_SECTOR_CFG_MAX + 1] = {
[QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX] = { .type = NLA_U8 },
[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0] = { .type = NLA_U32 },
[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1] = { .type = NLA_U32 },
[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2] = { .type = NLA_U32 },
[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI] = { .type = NLA_U32 },
[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO] = { .type = NLA_U32 },
[QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16] = { .type = NLA_U32 },
};
enum qca_nl80211_vendor_subcmds {
QCA_NL80211_VENDOR_SUBCMD_DMG_RF_GET_SECTOR_CFG = 139,
QCA_NL80211_VENDOR_SUBCMD_DMG_RF_SET_SECTOR_CFG = 140,
QCA_NL80211_VENDOR_SUBCMD_DMG_RF_GET_SELECTED_SECTOR = 141,
QCA_NL80211_VENDOR_SUBCMD_DMG_RF_SET_SELECTED_SECTOR = 142,
};
static int wil_rf_sector_get_cfg(struct wiphy *wiphy,
struct wireless_dev *wdev,
const void *data, int data_len);
static int wil_rf_sector_set_cfg(struct wiphy *wiphy,
struct wireless_dev *wdev,
const void *data, int data_len);
static int wil_rf_sector_get_selected(struct wiphy *wiphy,
struct wireless_dev *wdev,
const void *data, int data_len);
static int wil_rf_sector_set_selected(struct wiphy *wiphy,
struct wireless_dev *wdev,
const void *data, int data_len);
/* vendor specific commands */
static const struct wiphy_vendor_command wil_nl80211_vendor_commands[] = {
{
.info.vendor_id = QCA_NL80211_VENDOR_ID,
.info.subcmd = QCA_NL80211_VENDOR_SUBCMD_DMG_RF_GET_SECTOR_CFG,
.flags = WIPHY_VENDOR_CMD_NEED_WDEV |
WIPHY_VENDOR_CMD_NEED_RUNNING,
.doit = wil_rf_sector_get_cfg
},
{
.info.vendor_id = QCA_NL80211_VENDOR_ID,
.info.subcmd = QCA_NL80211_VENDOR_SUBCMD_DMG_RF_SET_SECTOR_CFG,
.flags = WIPHY_VENDOR_CMD_NEED_WDEV |
WIPHY_VENDOR_CMD_NEED_RUNNING,
.doit = wil_rf_sector_set_cfg
},
{
.info.vendor_id = QCA_NL80211_VENDOR_ID,
.info.subcmd =
QCA_NL80211_VENDOR_SUBCMD_DMG_RF_GET_SELECTED_SECTOR,
.flags = WIPHY_VENDOR_CMD_NEED_WDEV |
WIPHY_VENDOR_CMD_NEED_RUNNING,
.doit = wil_rf_sector_get_selected
},
{
.info.vendor_id = QCA_NL80211_VENDOR_ID,
.info.subcmd =
QCA_NL80211_VENDOR_SUBCMD_DMG_RF_SET_SELECTED_SECTOR,
.flags = WIPHY_VENDOR_CMD_NEED_WDEV |
WIPHY_VENDOR_CMD_NEED_RUNNING,
.doit = wil_rf_sector_set_selected
},
};
static struct ieee80211_supported_band wil_band_60ghz = {
.channels = wil_60ghz_channels,
.n_channels = ARRAY_SIZE(wil_60ghz_channels),
.ht_cap = {
.ht_supported = true,
.cap = 0, /* TODO */
.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K, /* TODO */
.ampdu_density = IEEE80211_HT_MPDU_DENSITY_8, /* TODO */
.mcs = {
/* MCS 1..12 - SC PHY */
.rx_mask = {0xfe, 0x1f}, /* 1..12 */
.tx_params = IEEE80211_HT_MCS_TX_DEFINED, /* TODO */
},
},
};
static const struct ieee80211_txrx_stypes
wil_mgmt_stypes[NUM_NL80211_IFTYPES] = {
[NL80211_IFTYPE_STATION] = {
.tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
},
[NL80211_IFTYPE_AP] = {
.tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
BIT(IEEE80211_STYPE_PROBE_RESP >> 4) |
BIT(IEEE80211_STYPE_ASSOC_RESP >> 4) |
BIT(IEEE80211_STYPE_DISASSOC >> 4) |
BIT(IEEE80211_STYPE_AUTH >> 4) |
BIT(IEEE80211_STYPE_REASSOC_RESP >> 4),
.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
BIT(IEEE80211_STYPE_DISASSOC >> 4) |
BIT(IEEE80211_STYPE_AUTH >> 4) |
BIT(IEEE80211_STYPE_DEAUTH >> 4) |
BIT(IEEE80211_STYPE_REASSOC_REQ >> 4)
},
[NL80211_IFTYPE_P2P_CLIENT] = {
.tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
},
[NL80211_IFTYPE_P2P_GO] = {
.tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
},
[NL80211_IFTYPE_P2P_DEVICE] = {
.tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
},
};
static const u32 wil_cipher_suites[] = {
WLAN_CIPHER_SUITE_GCMP,
};
static const char * const key_usage_str[] = {
[WMI_KEY_USE_PAIRWISE] = "PTK",
[WMI_KEY_USE_RX_GROUP] = "RX_GTK",
[WMI_KEY_USE_TX_GROUP] = "TX_GTK",
};
int wil_iftype_nl2wmi(enum nl80211_iftype type)
{
static const struct {
enum nl80211_iftype nl;
enum wmi_network_type wmi;
} __nl2wmi[] = {
{NL80211_IFTYPE_ADHOC, WMI_NETTYPE_ADHOC},
{NL80211_IFTYPE_STATION, WMI_NETTYPE_INFRA},
{NL80211_IFTYPE_AP, WMI_NETTYPE_AP},
{NL80211_IFTYPE_P2P_CLIENT, WMI_NETTYPE_P2P},
{NL80211_IFTYPE_P2P_GO, WMI_NETTYPE_P2P},
{NL80211_IFTYPE_MONITOR, WMI_NETTYPE_ADHOC}, /* FIXME */
};
uint i;
for (i = 0; i < ARRAY_SIZE(__nl2wmi); i++) {
if (__nl2wmi[i].nl == type)
return __nl2wmi[i].wmi;
}
return -EOPNOTSUPP;
}
int wil_cid_fill_sinfo(struct wil6210_vif *vif, int cid,
struct station_info *sinfo)
{
struct wil6210_priv *wil = vif_to_wil(vif);
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;
memset(&reply, 0, sizeof(reply));
rc = wmi_call(wil, WMI_NOTIFY_REQ_CMDID, vif->mid, &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 MID %d: {\n"
" MCS %d TSF 0x%016llx\n"
" BF status 0x%08x RSSI %d SQI %d%%\n"
" Tx Tpt %d goodput %d Rx goodput %d\n"
" Sectors(rx:tx) my %d:%d peer %d:%d\n""}\n",
cid, vif->mid, le16_to_cpu(reply.evt.bf_mcs),
le64_to_cpu(reply.evt.tsf), reply.evt.status,
reply.evt.rssi,
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_ULL(NL80211_STA_INFO_RX_BYTES) |
BIT_ULL(NL80211_STA_INFO_TX_BYTES) |
BIT_ULL(NL80211_STA_INFO_RX_PACKETS) |
BIT_ULL(NL80211_STA_INFO_TX_PACKETS) |
BIT_ULL(NL80211_STA_INFO_RX_BITRATE) |
BIT_ULL(NL80211_STA_INFO_TX_BITRATE) |
BIT_ULL(NL80211_STA_INFO_RX_DROP_MISC) |
BIT_ULL(NL80211_STA_INFO_TX_FAILED);
sinfo->txrate.flags = RATE_INFO_FLAGS_60G;
sinfo->txrate.mcs = le16_to_cpu(reply.evt.bf_mcs);
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_vif_fwconnected, vif->status)) {
sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL);
if (test_bit(WMI_FW_CAPABILITY_RSSI_REPORTING,
wil->fw_capabilities))
sinfo->signal = reply.evt.rssi;
else
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_vif *vif = ndev_to_vif(ndev);
struct wil6210_priv *wil = wiphy_to_wil(wiphy);
int rc;
int cid = wil_find_cid(wil, vif->mid, mac);
wil_dbg_misc(wil, "get_station: %pM CID %d MID %d\n", mac, cid,
vif->mid);
if (cid < 0)
return cid;
rc = wil_cid_fill_sinfo(vif, cid, sinfo);
return rc;
}
/*
* Find @idx-th active STA for specific MID for station dump.
*/
static int wil_find_cid_by_idx(struct wil6210_priv *wil, u8 mid, int idx)
{
int i;
for (i = 0; i < max_assoc_sta; i++) {
if (wil->sta[i].status == wil_sta_unused)
continue;
if (wil->sta[i].mid != mid)
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_vif *vif = ndev_to_vif(dev);
struct wil6210_priv *wil = wiphy_to_wil(wiphy);
int rc;
int cid = wil_find_cid_by_idx(wil, vif->mid, idx);
if (cid < 0)
return -ENOENT;
ether_addr_copy(mac, wil->sta[cid].addr);
wil_dbg_misc(wil, "dump_station: %pM CID %d MID %d\n", mac, cid,
vif->mid);
rc = wil_cid_fill_sinfo(vif, cid, sinfo);
return rc;
}
static int wil_cfg80211_start_p2p_device(struct wiphy *wiphy,
struct wireless_dev *wdev)
{
struct wil6210_priv *wil = wiphy_to_wil(wiphy);
wil_dbg_misc(wil, "start_p2p_device: entered\n");
wil->p2p_dev_started = 1;
return 0;
}
static void wil_cfg80211_stop_p2p_device(struct wiphy *wiphy,
struct wireless_dev *wdev)
{
struct wil6210_priv *wil = wiphy_to_wil(wiphy);
if (!wil->p2p_dev_started)
return;
wil_dbg_misc(wil, "stop_p2p_device: entered\n");
mutex_lock(&wil->mutex);
mutex_lock(&wil->vif_mutex);
wil_p2p_stop_radio_operations(wil);
wil->p2p_dev_started = 0;
mutex_unlock(&wil->vif_mutex);
mutex_unlock(&wil->mutex);
}
static int wil_cfg80211_validate_add_iface(struct wil6210_priv *wil,
enum nl80211_iftype new_type)
{
int i;
struct wireless_dev *wdev;
struct iface_combination_params params = {
.num_different_channels = 1,
};
for (i = 0; i < wil->max_vifs; i++) {
if (wil->vifs[i]) {
wdev = vif_to_wdev(wil->vifs[i]);
params.iftype_num[wdev->iftype]++;
}
}
params.iftype_num[new_type]++;
return cfg80211_check_combinations(wil->wiphy, &params);
}
static int wil_cfg80211_validate_change_iface(struct wil6210_priv *wil,
struct wil6210_vif *vif,
enum nl80211_iftype new_type)
{
int i, ret = 0;
struct wireless_dev *wdev;
struct iface_combination_params params = {
.num_different_channels = 1,
};
bool check_combos = false;
for (i = 0; i < wil->max_vifs; i++) {
struct wil6210_vif *vif_pos = wil->vifs[i];
if (vif_pos && vif != vif_pos) {
wdev = vif_to_wdev(vif_pos);
params.iftype_num[wdev->iftype]++;
check_combos = true;
}
}
if (check_combos) {
params.iftype_num[new_type]++;
ret = cfg80211_check_combinations(wil->wiphy, &params);
}
return ret;
}
static struct wireless_dev *
wil_cfg80211_add_iface(struct wiphy *wiphy, const char *name,
unsigned char name_assign_type,
enum nl80211_iftype type,
struct vif_params *params)
{
struct wil6210_priv *wil = wiphy_to_wil(wiphy);
struct net_device *ndev_main = wil->main_ndev, *ndev;
struct wil6210_vif *vif;
struct wireless_dev *p2p_wdev, *wdev;
int rc;
wil_dbg_misc(wil, "add_iface, type %d\n", type);
/* P2P device is not a real virtual interface, it is a management-only
* interface that shares the main interface.
* Skip concurrency checks here.
*/
if (type == NL80211_IFTYPE_P2P_DEVICE) {
if (wil->p2p_wdev) {
wil_err(wil, "P2P_DEVICE interface already created\n");
return ERR_PTR(-EINVAL);
}
p2p_wdev = kzalloc(sizeof(*p2p_wdev), GFP_KERNEL);
if (!p2p_wdev)
return ERR_PTR(-ENOMEM);
p2p_wdev->iftype = type;
p2p_wdev->wiphy = wiphy;
/* use our primary ethernet address */
ether_addr_copy(p2p_wdev->address, ndev_main->perm_addr);
wil->p2p_wdev = p2p_wdev;
return p2p_wdev;
}
if (!wil->wiphy->n_iface_combinations) {
wil_err(wil, "virtual interfaces not supported\n");
return ERR_PTR(-EINVAL);
}
rc = wil_cfg80211_validate_add_iface(wil, type);
if (rc) {
wil_err(wil, "iface validation failed, err=%d\n", rc);
return ERR_PTR(rc);
}
vif = wil_vif_alloc(wil, name, name_assign_type, type);
if (IS_ERR(vif))
return ERR_CAST(vif);
ndev = vif_to_ndev(vif);
ether_addr_copy(ndev->perm_addr, ndev_main->perm_addr);
if (is_valid_ether_addr(params->macaddr)) {
ether_addr_copy(ndev->dev_addr, params->macaddr);
} else {
ether_addr_copy(ndev->dev_addr, ndev_main->perm_addr);
ndev->dev_addr[0] = (ndev->dev_addr[0] ^ (1 << vif->mid)) |
0x2; /* locally administered */
}
wdev = vif_to_wdev(vif);
ether_addr_copy(wdev->address, ndev->dev_addr);
rc = wil_vif_add(wil, vif);
if (rc)
goto out;
wil_info(wil, "added VIF, mid %d iftype %d MAC %pM\n",
vif->mid, type, wdev->address);
return wdev;
out:
wil_vif_free(vif);
return ERR_PTR(rc);
}
int wil_vif_prepare_stop(struct wil6210_vif *vif)
{
struct wil6210_priv *wil = vif_to_wil(vif);
struct wireless_dev *wdev = vif_to_wdev(vif);
struct net_device *ndev;
int rc;
if (wdev->iftype != NL80211_IFTYPE_AP)
return 0;
ndev = vif_to_ndev(vif);
if (netif_carrier_ok(ndev)) {
rc = wmi_pcp_stop(vif);
if (rc) {
wil_info(wil, "failed to stop AP, status %d\n",
rc);
/* continue */
}
wil_bcast_fini(vif);
netif_carrier_off(ndev);
}
return 0;
}
static int wil_cfg80211_del_iface(struct wiphy *wiphy,
struct wireless_dev *wdev)
{
struct wil6210_priv *wil = wiphy_to_wil(wiphy);
struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
int rc;
wil_dbg_misc(wil, "del_iface\n");
if (wdev->iftype == NL80211_IFTYPE_P2P_DEVICE) {
if (wdev != wil->p2p_wdev) {
wil_err(wil, "delete of incorrect interface 0x%p\n",
wdev);
return -EINVAL;
}
wil_cfg80211_stop_p2p_device(wiphy, wdev);
wil_p2p_wdev_free(wil);
return 0;
}
if (vif->mid == 0) {
wil_err(wil, "cannot remove the main interface\n");
return -EINVAL;
}
rc = wil_vif_prepare_stop(vif);
if (rc)
goto out;
wil_info(wil, "deleted VIF, mid %d iftype %d MAC %pM\n",
vif->mid, wdev->iftype, wdev->address);
wil_vif_remove(wil, vif->mid);
out:
return rc;
}
static int wil_cfg80211_change_iface(struct wiphy *wiphy,
struct net_device *ndev,
enum nl80211_iftype type,
struct vif_params *params)
{
struct wil6210_priv *wil = wiphy_to_wil(wiphy);
struct wil6210_vif *vif = ndev_to_vif(ndev);
struct wireless_dev *wdev = vif_to_wdev(vif);
int rc;
bool fw_reset = false;
wil_dbg_misc(wil, "change_iface: type=%d\n", type);
if (wiphy->n_iface_combinations) {
rc = wil_cfg80211_validate_change_iface(wil, vif, type);
if (rc) {
wil_err(wil, "iface validation failed, err=%d\n", rc);
return rc;
}
}
/* do not reset FW when there are active VIFs,
* because it can cause significant disruption
*/
if (!wil_has_other_active_ifaces(wil, ndev, true, false) &&
netif_running(ndev) && !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;
fw_reset = true;
}
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 (params->flags)
wil->monitor_flags = params->flags;
break;
default:
return -EOPNOTSUPP;
}
if (vif->mid != 0 && wil_has_active_ifaces(wil, true, false)) {
if (!fw_reset)
wil_vif_prepare_stop(vif);
rc = wmi_port_delete(wil, vif->mid);
if (rc)
return rc;
rc = wmi_port_allocate(wil, vif->mid, ndev->dev_addr, type);
if (rc)
return rc;
}
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 wil6210_vif *vif = wdev_to_vif(wil, wdev);
struct {
struct wmi_start_scan_cmd cmd;
u16 chnl[4];
} __packed cmd;
uint i, n;
int rc;
wil_dbg_misc(wil, "scan: wdev=0x%p iftype=%d\n", wdev, wdev->iftype);
/* scan is supported on client interfaces and on AP interface */
switch (wdev->iftype) {
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_P2P_CLIENT:
case NL80211_IFTYPE_P2P_DEVICE:
case NL80211_IFTYPE_AP:
break;
default:
return -EOPNOTSUPP;
}
/* FW don't support scan after connection attempt */
if (test_bit(wil_status_dontscan, wil->status)) {
wil_err(wil, "Can't scan now\n");
return -EBUSY;
}
mutex_lock(&wil->mutex);
mutex_lock(&wil->vif_mutex);
if (vif->scan_request || vif->p2p.discovery_started) {
wil_err(wil, "Already scanning\n");
mutex_unlock(&wil->vif_mutex);
rc = -EAGAIN;
goto out;
}
mutex_unlock(&wil->vif_mutex);
if (wdev->iftype == NL80211_IFTYPE_P2P_DEVICE) {
if (!wil->p2p_dev_started) {
wil_err(wil, "P2P search requested on stopped P2P device\n");
rc = -EIO;
goto out;
}
/* social scan on P2P_DEVICE is handled as p2p search */
if (wil_p2p_is_social_scan(request)) {
vif->scan_request = request;
if (vif->mid == 0)
wil->radio_wdev = wdev;
rc = wil_p2p_search(vif, request);
if (rc) {
if (vif->mid == 0)
wil->radio_wdev =
wil->main_ndev->ieee80211_ptr;
vif->scan_request = NULL;
}
goto out;
}
}
(void)wil_p2p_stop_discovery(vif);
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);
wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1,
request->ssids[i].ssid,
request->ssids[i].ssid_len, true);
}
if (request->n_ssids)
rc = wmi_set_ssid(vif, request->ssids[0].ssid_len,
request->ssids[0].ssid);
else
rc = wmi_set_ssid(vif, 0, NULL);
if (rc) {
wil_err(wil, "set SSID for scan request failed: %d\n", rc);
goto out;
}
vif->scan_request = request;
mod_timer(&vif->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)
wil_hex_dump_misc("Scan IE ", DUMP_PREFIX_OFFSET, 16, 1,
request->ie, request->ie_len, true);
else
wil_dbg_misc(wil, "Scan has no IE's\n");
rc = wmi_set_ie(vif, WMI_FRAME_PROBE_REQ,
request->ie_len, request->ie);
if (rc)
goto out_restore;
if (wil->discovery_mode && cmd.cmd.scan_type == WMI_ACTIVE_SCAN) {
cmd.cmd.discovery_mode = 1;
wil_dbg_misc(wil, "active scan with discovery_mode=1\n");
}
if (vif->mid == 0)
wil->radio_wdev = wdev;
rc = wmi_send(wil, WMI_START_SCAN_CMDID, vif->mid,
&cmd, sizeof(cmd.cmd) +
cmd.cmd.num_channels * sizeof(cmd.cmd.channel_list[0]));
out_restore:
if (rc) {
del_timer_sync(&vif->scan_timer);
if (vif->mid == 0)
wil->radio_wdev = wil->main_ndev->ieee80211_ptr;
vif->scan_request = NULL;
}
out:
mutex_unlock(&wil->mutex);
return rc;
}
static void wil_cfg80211_abort_scan(struct wiphy *wiphy,
struct wireless_dev *wdev)
{
struct wil6210_priv *wil = wiphy_to_wil(wiphy);
struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
wil_dbg_misc(wil, "wdev=0x%p iftype=%d\n", wdev, wdev->iftype);
mutex_lock(&wil->mutex);
mutex_lock(&wil->vif_mutex);
if (!vif->scan_request)
goto out;
if (wdev != vif->scan_request->wdev) {
wil_dbg_misc(wil, "abort scan was called on the wrong iface\n");
goto out;
}
if (wdev == wil->p2p_wdev && wil->radio_wdev == wil->p2p_wdev)
wil_p2p_stop_radio_operations(wil);
else
wil_abort_scan(vif, true);
out:
mutex_unlock(&wil->vif_mutex);
mutex_unlock(&wil->mutex);
}
static void wil_print_crypto(struct wil6210_priv *wil,
struct cfg80211_crypto_settings *c)
{
int i, n;
wil_dbg_misc(wil, "WPA versions: 0x%08x cipher group 0x%08x\n",
c->wpa_versions, c->cipher_group);
wil_dbg_misc(wil, "Pairwise ciphers [%d] {\n", c->n_ciphers_pairwise);
n = min_t(int, c->n_ciphers_pairwise, ARRAY_SIZE(c->ciphers_pairwise));
for (i = 0; i < n; i++)
wil_dbg_misc(wil, " [%d] = 0x%08x\n", i,
c->ciphers_pairwise[i]);
wil_dbg_misc(wil, "}\n");
wil_dbg_misc(wil, "AKM suites [%d] {\n", c->n_akm_suites);
n = min_t(int, c->n_akm_suites, ARRAY_SIZE(c->akm_suites));
for (i = 0; i < n; i++)
wil_dbg_misc(wil, " [%d] = 0x%08x\n", i,
c->akm_suites[i]);
wil_dbg_misc(wil, "}\n");
wil_dbg_misc(wil, "Control port : %d, eth_type 0x%04x no_encrypt %d\n",
c->control_port, be16_to_cpu(c->control_port_ethertype),
c->control_port_no_encrypt);
}
static const char *
wil_get_auth_type_name(enum nl80211_auth_type auth_type)
{
switch (auth_type) {
case NL80211_AUTHTYPE_OPEN_SYSTEM:
return "OPEN_SYSTEM";
case NL80211_AUTHTYPE_SHARED_KEY:
return "SHARED_KEY";
case NL80211_AUTHTYPE_FT:
return "FT";
case NL80211_AUTHTYPE_NETWORK_EAP:
return "NETWORK_EAP";
case NL80211_AUTHTYPE_SAE:
return "SAE";
case NL80211_AUTHTYPE_AUTOMATIC:
return "AUTOMATIC";
default:
return "unknown";
}
}
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);
if (sme->prev_bssid)
wil_info(wil, " Previous BSSID=%pM\n", sme->prev_bssid);
wil_info(wil, " Auth Type: %s\n",
wil_get_auth_type_name(sme->auth_type));
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_ft_connect(struct wiphy *wiphy,
struct net_device *ndev,
struct cfg80211_connect_params *sme)
{
struct wil6210_priv *wil = wiphy_to_wil(wiphy);
struct wil6210_vif *vif = ndev_to_vif(ndev);
struct wmi_ft_auth_cmd auth_cmd;
int rc;
if (!test_bit(WMI_FW_CAPABILITY_FT_ROAMING, wil->fw_capabilities)) {
wil_err(wil, "FT: FW does not support FT roaming\n");
return -EOPNOTSUPP;
}
if (!sme->prev_bssid) {
wil_err(wil, "FT: prev_bssid was not set\n");
return -EINVAL;
}
if (ether_addr_equal(sme->prev_bssid, sme->bssid)) {
wil_err(wil, "FT: can not roam to same AP\n");
return -EINVAL;
}
if (!test_bit(wil_vif_fwconnected, vif->status)) {
wil_err(wil, "FT: roam while not connected\n");
return -EINVAL;
}
if (vif->privacy != sme->privacy) {
wil_err(wil, "FT: privacy mismatch, current (%d) roam (%d)\n",
vif->privacy, sme->privacy);
return -EINVAL;
}
if (sme->pbss) {
wil_err(wil, "FT: roam is not valid for PBSS\n");
return -EINVAL;
}
memset(&auth_cmd, 0, sizeof(auth_cmd));
auth_cmd.channel = sme->channel->hw_value - 1;
ether_addr_copy(auth_cmd.bssid, sme->bssid);
wil_info(wil, "FT: roaming\n");
set_bit(wil_vif_ft_roam, vif->status);
rc = wmi_send(wil, WMI_FT_AUTH_CMDID, vif->mid,
&auth_cmd, sizeof(auth_cmd));
if (rc == 0)
mod_timer(&vif->connect_timer,
jiffies + msecs_to_jiffies(5000));
else
clear_bit(wil_vif_ft_roam, vif->status);
return rc;
}
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 wil6210_vif *vif = ndev_to_vif(ndev);
struct cfg80211_bss *bss;
struct wmi_connect_cmd conn;
const u8 *ssid_eid;
const u8 *rsn_eid;
int ch;
int rc = 0;
bool is_ft_roam = false;
u8 network_type;
enum ieee80211_bss_type bss_type = IEEE80211_BSS_TYPE_ESS;
wil_dbg_misc(wil, "connect, mid=%d\n", vif->mid);
wil_print_connect_params(wil, sme);
if (sme->auth_type == NL80211_AUTHTYPE_FT)
is_ft_roam = true;
if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC &&
test_bit(wil_vif_fwconnected, vif->status))
is_ft_roam = true;
if (!is_ft_roam)
if (test_bit(wil_vif_fwconnecting, vif->status) ||
test_bit(wil_vif_fwconnected, vif->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 (is_ft_roam) {
wil_err(wil, "No WSC with FT roam\n");
return -EINVAL;
}
}
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;
}
vif->privacy = sme->privacy;
vif->pbss = sme->pbss;
rc = wmi_set_ie(vif, WMI_FRAME_ASSOC_REQ, sme->ie_len, sme->ie);
if (rc)
goto out;
switch (bss->capability & WLAN_CAPABILITY_DMG_TYPE_MASK) {
case WLAN_CAPABILITY_DMG_TYPE_AP:
network_type = WMI_NETTYPE_INFRA;
break;
case WLAN_CAPABILITY_DMG_TYPE_PBSS:
network_type = WMI_NETTYPE_P2P;
break;
default:
wil_err(wil, "Unsupported BSS type, capability= 0x%04x\n",
bss->capability);
rc = -EINVAL;
goto out;
}
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;
}
if (is_ft_roam) {
if (network_type != WMI_NETTYPE_INFRA) {
wil_err(wil, "FT: Unsupported BSS type, capability= 0x%04x\n",
bss->capability);
rc = -EINVAL;
goto out;
}
rc = wil_ft_connect(wiphy, ndev, sme);
if (rc == 0)
vif->bss = bss;
goto out;
}
if (vif->privacy) {
/* For secure assoc, remove old keys */
rc = wmi_del_cipher_key(vif, 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(vif, 0, bss->bssid,
WMI_KEY_USE_RX_GROUP);
if (rc) {
wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(GTK) failed\n");
goto out;
}
}
/* WMI_CONNECT_CMD */
memset(&conn, 0, sizeof(conn));
conn.network_type = network_type;
if (vif->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);
conn.channel = ch - 1;
ether_addr_copy(conn.bssid, bss->bssid);
ether_addr_copy(conn.dst_mac, bss->bssid);
set_bit(wil_vif_fwconnecting, vif->status);
rc = wmi_send(wil, WMI_CONNECT_CMDID, vif->mid, &conn, sizeof(conn));
if (rc == 0) {
netif_carrier_on(ndev);
if (!wil_has_other_active_ifaces(wil, ndev, false, true))
wil6210_bus_request(wil, WIL_MAX_BUS_REQUEST_KBPS);
vif->bss = bss;
/* Connect can take lots of time */
mod_timer(&vif->connect_timer,
jiffies + msecs_to_jiffies(5000));
} else {
clear_bit(wil_vif_fwconnecting, vif->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);
struct wil6210_vif *vif = ndev_to_vif(ndev);
wil_dbg_misc(wil, "disconnect: reason=%d, mid=%d\n",
reason_code, vif->mid);
if (!(test_bit(wil_vif_fwconnecting, vif->status) ||
test_bit(wil_vif_fwconnected, vif->status))) {
wil_err(wil, "Disconnect was called while disconnected\n");
return 0;
}
vif->locally_generated_disc = true;
rc = wmi_call(wil, WMI_DISCONNECT_CMDID, vif->mid, NULL, 0,
WMI_DISCONNECT_EVENTID, NULL, 0,
WIL6210_DISCONNECT_TO_MS);
if (rc)
wil_err(wil, "disconnect error %d\n", rc);
return rc;
}
static int wil_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
{
struct wil6210_priv *wil = wiphy_to_wil(wiphy);
int rc;
/* these parameters are explicitly not supported */
if (changed & (WIPHY_PARAM_RETRY_LONG |
WIPHY_PARAM_FRAG_THRESHOLD |
WIPHY_PARAM_RTS_THRESHOLD))
return -ENOTSUPP;
if (changed & WIPHY_PARAM_RETRY_SHORT) {
rc = wmi_set_mgmt_retry(wil, wiphy->retry_short);
if (rc)
return rc;
}
return 0;
}
int wil_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
struct cfg80211_mgmt_tx_params *params,
u64 *cookie)
{
const u8 *buf = params->buf;
size_t len = params->len;
struct wil6210_priv *wil = wiphy_to_wil(wiphy);
struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
int rc;
bool tx_status;
wil_dbg_misc(wil, "mgmt_tx: channel %d offchan %d, wait %d\n",
params->chan ? params->chan->hw_value : -1,
params->offchan,
params->wait);
/* Note, currently we support the "wait" parameter only on AP mode.
* In other modes, user-space must call remain_on_channel before
* mgmt_tx or listen on a channel other than active one.
*/
if (params->chan && params->chan->hw_value == 0) {
wil_err(wil, "invalid channel\n");
return -EINVAL;
}
if (wdev->iftype != NL80211_IFTYPE_AP) {
wil_dbg_misc(wil,
"send WMI_SW_TX_REQ_CMDID on non-AP interfaces\n");
rc = wmi_mgmt_tx(vif, buf, len);
goto out;
}
if (!params->chan || params->chan->hw_value == vif->channel) {
wil_dbg_misc(wil,
"send WMI_SW_TX_REQ_CMDID for on-channel\n");
rc = wmi_mgmt_tx(vif, buf, len);
goto out;
}
if (params->offchan == 0) {
wil_err(wil,
"invalid channel params: current %d requested %d, off-channel not allowed\n",
vif->channel, params->chan->hw_value);
return -EBUSY;
}
/* use the wmi_mgmt_tx_ext only on AP mode and off-channel */
rc = wmi_mgmt_tx_ext(vif, buf, len, params->chan->hw_value,
params->wait);
out:
tx_status = (rc == 0);
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);
wil->monitor_chandef = *chandef;
return 0;
}
static enum wmi_key_usage wil_detect_key_usage(struct wireless_dev *wdev,
bool pairwise)
{
struct wil6210_priv *wil = wdev_to_wil(wdev);
enum wmi_key_usage rc;
if (pairwise) {
rc = WMI_KEY_USE_PAIRWISE;
} else {
switch (wdev->iftype) {
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_P2P_CLIENT:
rc = WMI_KEY_USE_RX_GROUP;
break;
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_P2P_GO:
rc = WMI_KEY_USE_TX_GROUP;
break;
default:
/* TODO: Rx GTK or Tx GTK? */
wil_err(wil, "Can't determine GTK type\n");
rc = WMI_KEY_USE_RX_GROUP;
break;
}
}
wil_dbg_misc(wil, "detect_key_usage: -> %s\n", key_usage_str[rc]);
return rc;
}
static struct wil_sta_info *
wil_find_sta_by_key_usage(struct wil6210_priv *wil, u8 mid,
enum wmi_key_usage key_usage, const u8 *mac_addr)
{
int cid = -EINVAL;
if (key_usage == WMI_KEY_USE_TX_GROUP)
return NULL; /* not needed */
/* supplicant provides Rx group key in STA mode with NULL MAC address */
if (mac_addr)
cid = wil_find_cid(wil, mid, mac_addr);
else if (key_usage == WMI_KEY_USE_RX_GROUP)
cid = wil_find_cid_by_idx(wil, mid, 0);
if (cid < 0) {
wil_err(wil, "No CID for %pM %s\n", mac_addr,
key_usage_str[key_usage]);
return ERR_PTR(cid);
}
return &wil->sta[cid];
}
void wil_set_crypto_rx(u8 key_index, enum wmi_key_usage key_usage,
struct wil_sta_info *cs,
struct key_params *params)
{
struct wil_tid_crypto_rx_single *cc;
int tid;
if (!cs)
return;
switch (key_usage) {
case WMI_KEY_USE_PAIRWISE:
for (tid = 0; tid < WIL_STA_TID_NUM; tid++) {
cc = &cs->tid_crypto_rx[tid].key_id[key_index];
if (params->seq)
memcpy(cc->pn, params->seq,
IEEE80211_GCMP_PN_LEN);
else
memset(cc->pn, 0, IEEE80211_GCMP_PN_LEN);
cc->key_set = true;
}
break;
case WMI_KEY_USE_RX_GROUP:
cc = &cs->group_crypto_rx.key_id[key_index];
if (params->seq)
memcpy(cc->pn, params->seq, IEEE80211_GCMP_PN_LEN);
else
memset(cc->pn, 0, IEEE80211_GCMP_PN_LEN);
cc->key_set = true;
break;
default:
break;
}
}
static void wil_del_rx_key(u8 key_index, enum wmi_key_usage key_usage,
struct wil_sta_info *cs)
{
struct wil_tid_crypto_rx_single *cc;
int tid;
if (!cs)
return;
switch (key_usage) {
case WMI_KEY_USE_PAIRWISE:
for (tid = 0; tid < WIL_STA_TID_NUM; tid++) {
cc = &cs->tid_crypto_rx[tid].key_id[key_index];
cc->key_set = false;
}
break;
case WMI_KEY_USE_RX_GROUP:
cc = &cs->group_crypto_rx.key_id[key_index];
cc->key_set = false;
break;
default:
break;
}
}
static int wil_cfg80211_add_key(struct wiphy *wiphy,
struct net_device *ndev,
u8 key_index, bool pairwise,
const u8 *mac_addr,
struct key_params *params)
{
int rc;
struct wil6210_vif *vif = ndev_to_vif(ndev);
struct wil6210_priv *wil = wiphy_to_wil(wiphy);
struct wireless_dev *wdev = vif_to_wdev(vif);
enum wmi_key_usage key_usage = wil_detect_key_usage(wdev, pairwise);
struct wil_sta_info *cs = wil_find_sta_by_key_usage(wil, vif->mid,
key_usage,
mac_addr);
if (!params) {
wil_err(wil, "NULL params\n");
return -EINVAL;
}
wil_dbg_misc(wil, "add_key: %pM %s[%d] PN %*phN\n",
mac_addr, key_usage_str[key_usage], key_index,
params->seq_len, params->seq);
if (IS_ERR(cs)) {
/* in FT, sta info may not be available as add_key may be
* sent by host before FW sends WMI_CONNECT_EVENT
*/
if (!test_bit(wil_vif_ft_roam, vif->status)) {
wil_err(wil, "Not connected, %pM %s[%d] PN %*phN\n",
mac_addr, key_usage_str[key_usage], key_index,
params->seq_len, params->seq);
return -EINVAL;
}
}
if (!IS_ERR(cs))
wil_del_rx_key(key_index, key_usage, cs);
if (params->seq && params->seq_len != IEEE80211_GCMP_PN_LEN) {
wil_err(wil,
"Wrong PN len %d, %pM %s[%d] PN %*phN\n",
params->seq_len, mac_addr,
key_usage_str[key_usage], key_index,
params->seq_len, params->seq);
return -EINVAL;
}
rc = wmi_add_cipher_key(vif, key_index, mac_addr, params->key_len,
params->key, key_usage);
if (!rc && !IS_ERR(cs)) {
/* update local storage used for AP recovery */
if (key_usage == WMI_KEY_USE_TX_GROUP && params->key &&
params->key_len <= WMI_MAX_KEY_LEN) {
vif->gtk_index = key_index;
memcpy(vif->gtk, params->key, params->key_len);
vif->gtk_len = params->key_len;
}
/* in FT set crypto will take place upon receiving
* WMI_RING_EN_EVENTID event
*/
wil_set_crypto_rx(key_index, key_usage, cs, params);
}
return rc;
}
static int wil_cfg80211_del_key(struct wiphy *wiphy,
struct net_device *ndev,
u8 key_index, bool pairwise,
const u8 *mac_addr)
{
struct wil6210_vif *vif = ndev_to_vif(ndev);
struct wil6210_priv *wil = wiphy_to_wil(wiphy);
struct wireless_dev *wdev = vif_to_wdev(vif);
enum wmi_key_usage key_usage = wil_detect_key_usage(wdev, pairwise);
struct wil_sta_info *cs = wil_find_sta_by_key_usage(wil, vif->mid,
key_usage,
mac_addr);
wil_dbg_misc(wil, "del_key: %pM %s[%d]\n", mac_addr,
key_usage_str[key_usage], key_index);
if (IS_ERR(cs))
wil_info(wil, "Not connected, %pM %s[%d]\n",
mac_addr, key_usage_str[key_usage], key_index);
if (!IS_ERR_OR_NULL(cs))
wil_del_rx_key(key_index, key_usage, cs);
return wmi_del_cipher_key(vif, key_index, mac_addr, key_usage);
}
/* Need to be present or wiphy_new() will WARN */
static int wil_cfg80211_set_default_key(struct wiphy *wiphy,
struct net_device *ndev,
u8 key_index, bool unicast,
bool multicast)
{
struct wil6210_priv *wil = wiphy_to_wil(wiphy);
wil_dbg_misc(wil, "set_default_key: entered\n");
return 0;
}
static int wil_remain_on_channel(struct wiphy *wiphy,
struct wireless_dev *wdev,
struct ieee80211_channel *chan,
unsigned int duration,
u64 *cookie)
{
struct wil6210_priv *wil = wiphy_to_wil(wiphy);
int rc;
wil_dbg_misc(wil,
"remain_on_channel: center_freq=%d, duration=%d iftype=%d\n",
chan->center_freq, duration, wdev->iftype);
rc = wil_p2p_listen(wil, wdev, duration, chan, cookie);
return rc;
}
static int wil_cancel_remain_on_channel(struct wiphy *wiphy,
struct wireless_dev *wdev,
u64 cookie)
{
struct wil6210_priv *wil = wiphy_to_wil(wiphy);
struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
wil_dbg_misc(wil, "cancel_remain_on_channel\n");
return wil_p2p_cancel_listen(vif, 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)
ies1_len = 0;
if (!ies2)
ies2_len = 0;
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;
if (ies1)
memcpy(buf, ies1, ies1_len);
dpos = buf + ies1_len;
spos = ies2;
while (spos && (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 &&
(!ies1 || !_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)
{
wil_hex_dump_misc("head ", DUMP_PREFIX_OFFSET, 16, 1,
b->head, b->head_len, true);
wil_hex_dump_misc("tail ", DUMP_PREFIX_OFFSET, 16, 1,
b->tail, b->tail_len, true);
wil_hex_dump_misc("BCON IE ", DUMP_PREFIX_OFFSET, 16, 1,
b->beacon_ies, b->beacon_ies_len, true);
wil_hex_dump_misc("PROBE ", DUMP_PREFIX_OFFSET, 16, 1,
b->probe_resp, b->probe_resp_len, true);
wil_hex_dump_misc("PROBE IE ", DUMP_PREFIX_OFFSET, 16, 1,
b->proberesp_ies, b->proberesp_ies_len, true);
wil_hex_dump_misc("ASSOC IE ", DUMP_PREFIX_OFFSET, 16, 1,
b->assocresp_ies, b->assocresp_ies_len, true);
}
/* internal functions for device reset and starting AP */
static u8 *
_wil_cfg80211_get_proberesp_ies(const u8 *proberesp, u16 proberesp_len,
u16 *ies_len)
{
u8 *ies = NULL;
if (proberesp) {
struct ieee80211_mgmt *f =
(struct ieee80211_mgmt *)proberesp;
size_t hlen = offsetof(struct ieee80211_mgmt,
u.probe_resp.variable);
ies = f->u.probe_resp.variable;
if (ies_len)
*ies_len = proberesp_len - hlen;
}
return ies;
}
static int _wil_cfg80211_set_ies(struct wil6210_vif *vif,
struct cfg80211_beacon_data *bcon)
{
int rc;
u16 len = 0, proberesp_len = 0;
u8 *ies = NULL, *proberesp;
/* update local storage used for AP recovery */
wil_memdup_ie(&vif->proberesp, &vif->proberesp_len, bcon->probe_resp,
bcon->probe_resp_len);
wil_memdup_ie(&vif->proberesp_ies, &vif->proberesp_ies_len,
bcon->proberesp_ies, bcon->proberesp_ies_len);
wil_memdup_ie(&vif->assocresp_ies, &vif->assocresp_ies_len,
bcon->assocresp_ies, bcon->assocresp_ies_len);
proberesp = _wil_cfg80211_get_proberesp_ies(bcon->probe_resp,
bcon->probe_resp_len,
&proberesp_len);
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(vif, WMI_FRAME_PROBE_RESP, len, ies);
if (rc)
goto out;
if (bcon->assocresp_ies)
rc = wmi_set_ie(vif, WMI_FRAME_ASSOC_RESP,
bcon->assocresp_ies_len, bcon->assocresp_ies);
else
rc = wmi_set_ie(vif, 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(vif, 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);
struct wil6210_vif *vif = ndev_to_vif(ndev);
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);
u16 proberesp_len = 0;
u8 *proberesp;
bool ft = false;
if (pbss)
wmi_nettype = WMI_NETTYPE_P2P;
wil_dbg_misc(wil, "start_ap: mid=%d, is_go=%d\n", vif->mid, is_go);
if (is_go && !pbss) {
wil_err(wil, "P2P GO must be in PBSS\n");
return -ENOTSUPP;
}
wil_set_recovery_state(wil, fw_recovery_idle);
proberesp = _wil_cfg80211_get_proberesp_ies(bcon->probe_resp,
bcon->probe_resp_len,
&proberesp_len);
/* check that the probe response IEs has a MDE */
if ((proberesp && proberesp_len > 0 &&
cfg80211_find_ie(WLAN_EID_MOBILITY_DOMAIN,
proberesp,
proberesp_len)))
ft = true;
if (ft) {
if (!test_bit(WMI_FW_CAPABILITY_FT_ROAMING,
wil->fw_capabilities)) {
wil_err(wil, "FW does not support FT roaming\n");
return -ENOTSUPP;
}
set_bit(wil_vif_ft_roam, vif->status);
}
mutex_lock(&wil->mutex);
if (!wil_has_other_active_ifaces(wil, ndev, true, false)) {
__wil_down(wil);
rc = __wil_up(wil);
if (rc)
goto out;
}
rc = wmi_set_ssid(vif, ssid_len, ssid);
if (rc)
goto out;
rc = _wil_cfg80211_set_ies(vif, bcon);
if (rc)
goto out;
vif->privacy = privacy;
vif->channel = chan;
vif->hidden_ssid = hidden_ssid;
vif->pbss = pbss;
vif->bi = bi;
memcpy(vif->ssid, ssid, ssid_len);
vif->ssid_len = ssid_len;
netif_carrier_on(ndev);
if (!wil_has_other_active_ifaces(wil, ndev, false, true))
wil6210_bus_request(wil, WIL_MAX_BUS_REQUEST_KBPS);
rc = wmi_pcp_start(vif, bi, wmi_nettype, chan, hidden_ssid, is_go);
if (rc)
goto err_pcp_start;
rc = wil_bcast_init(vif);
if (rc)
goto err_bcast;
goto out; /* success */
err_bcast:
wmi_pcp_stop(vif);
err_pcp_start:
netif_carrier_off(ndev);
if (!wil_has_other_active_ifaces(wil, ndev, false, true))
wil6210_bus_request(wil, WIL_DEFAULT_BUS_REQUEST_KBPS);
out:
mutex_unlock(&wil->mutex);
return rc;
}
void wil_cfg80211_ap_recovery(struct wil6210_priv *wil)
{
int rc, i;
struct wiphy *wiphy = wil_to_wiphy(wil);
for (i = 0; i < wil->max_vifs; i++) {
struct wil6210_vif *vif = wil->vifs[i];
struct net_device *ndev;
struct cfg80211_beacon_data bcon = {};
struct key_params key_params = {};
if (!vif || vif->ssid_len == 0)
continue;
ndev = vif_to_ndev(vif);
bcon.proberesp_ies = vif->proberesp_ies;
bcon.assocresp_ies = vif->assocresp_ies;
bcon.probe_resp = vif->proberesp;
bcon.proberesp_ies_len = vif->proberesp_ies_len;
bcon.assocresp_ies_len = vif->assocresp_ies_len;
bcon.probe_resp_len = vif->proberesp_len;
wil_info(wil,
"AP (vif %d) recovery: privacy %d, bi %d, channel %d, hidden %d, pbss %d\n",
i, vif->privacy, vif->bi, vif->channel,
vif->hidden_ssid, vif->pbss);
wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1,
vif->ssid, vif->ssid_len, true);
rc = _wil_cfg80211_start_ap(wiphy, ndev,
vif->ssid, vif->ssid_len,
vif->privacy, vif->bi,
vif->channel, &bcon,
vif->hidden_ssid, vif->pbss);
if (rc) {
wil_err(wil, "vif %d recovery failed (%d)\n", i, rc);
continue;
}
if (!vif->privacy || vif->gtk_len == 0)
continue;
key_params.key = vif->gtk;
key_params.key_len = vif->gtk_len;
key_params.seq_len = IEEE80211_GCMP_PN_LEN;
rc = wil_cfg80211_add_key(wiphy, ndev, vif->gtk_index, false,
NULL, &key_params);
if (rc)
wil_err(wil, "vif %d recovery add key failed (%d)\n",
i, 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);
struct wireless_dev *wdev = ndev->ieee80211_ptr;
struct wil6210_vif *vif = ndev_to_vif(ndev);
int rc;
u32 privacy = 0;
wil_dbg_misc(wil, "change_beacon, mid=%d\n", vif->mid);
wil_print_bcon_data(bcon);
if (bcon->tail &&
cfg80211_find_ie(WLAN_EID_RSN, bcon->tail,
bcon->tail_len))
privacy = 1;
memcpy(vif->ssid, wdev->ssid, wdev->ssid_len);
vif->ssid_len = wdev->ssid_len;
/* in case privacy has changed, need to restart the AP */
if (vif->privacy != privacy) {
wil_dbg_misc(wil, "privacy changed %d=>%d. Restarting AP\n",
vif->privacy, privacy);
rc = _wil_cfg80211_start_ap(wiphy, ndev, vif->ssid,
vif->ssid_len, privacy,
wdev->beacon_interval,
vif->channel, bcon,
vif->hidden_ssid,
vif->pbss);
} else {
rc = _wil_cfg80211_set_ies(vif, bcon);
}
return rc;
}
static int wil_cfg80211_start_ap(struct wiphy *wiphy,
struct net_device *ndev,
struct cfg80211_ap_settings *info)
{
int rc;
struct wil6210_priv *wil = wiphy_to_wil(wiphy);
struct ieee80211_channel *channel = info->chandef.chan;
struct cfg80211_beacon_data *bcon = &info->beacon;
struct cfg80211_crypto_settings *crypto = &info->crypto;
u8 hidden_ssid;
wil_dbg_misc(wil, "start_ap\n");
if (!channel) {
wil_err(wil, "AP: No channel???\n");
return -EINVAL;
}
switch (info->hidden_ssid) {
case NL80211_HIDDEN_SSID_NOT_IN_USE:
hidden_ssid = WMI_HIDDEN_SSID_DISABLED;
break;
case NL80211_HIDDEN_SSID_ZERO_LEN:
hidden_ssid = WMI_HIDDEN_SSID_SEND_EMPTY;
break;
case NL80211_HIDDEN_SSID_ZERO_CONTENTS:
hidden_ssid = WMI_HIDDEN_SSID_CLEAR;
break;
default:
wil_err(wil, "AP: Invalid hidden SSID %d\n", info->hidden_ssid);
return -EOPNOTSUPP;
}
wil_dbg_misc(wil, "AP on Channel %d %d MHz, %s\n", channel->hw_value,
channel->center_freq, info->privacy ? "secure" : "open");
wil_dbg_misc(wil, "Privacy: %d auth_type %d\n",
info->privacy, info->auth_type);
wil_dbg_misc(wil, "Hidden SSID mode: %d\n",
info->hidden_ssid);
wil_dbg_misc(wil, "BI %d DTIM %d\n", info->beacon_interval,
info->dtim_period);
wil_dbg_misc(wil, "PBSS %d\n", info->pbss);
wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1,
info->ssid, info->ssid_len, true);
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);
struct wil6210_vif *vif = ndev_to_vif(ndev);
bool last;
wil_dbg_misc(wil, "stop_ap, mid=%d\n", vif->mid);
netif_carrier_off(ndev);
last = !wil_has_other_active_ifaces(wil, ndev, false, true);
if (last) {
wil6210_bus_request(wil, WIL_DEFAULT_BUS_REQUEST_KBPS);
wil_set_recovery_state(wil, fw_recovery_idle);
set_bit(wil_status_resetting, wil->status);
}
mutex_lock(&wil->mutex);
wmi_pcp_stop(vif);
clear_bit(wil_vif_ft_roam, vif->status);
vif->ssid_len = 0;
wil_memdup_ie(&vif->proberesp, &vif->proberesp_len, NULL, 0);
wil_memdup_ie(&vif->proberesp_ies, &vif->proberesp_ies_len, NULL, 0);
wil_memdup_ie(&vif->assocresp_ies, &vif->assocresp_ies_len, NULL, 0);
memset(vif->gtk, 0, WMI_MAX_KEY_LEN);
vif->gtk_len = 0;
if (last)
__wil_down(wil);
else
wil_bcast_fini(vif);
mutex_unlock(&wil->mutex);
return 0;
}
static int wil_cfg80211_add_station(struct wiphy *wiphy,
struct net_device *dev,
const u8 *mac,
struct station_parameters *params)
{
struct wil6210_vif *vif = ndev_to_vif(dev);
struct wil6210_priv *wil = wiphy_to_wil(wiphy);
wil_dbg_misc(wil, "add station %pM aid %d mid %d mask 0x%x set 0x%x\n",
mac, params->aid, vif->mid,
params->sta_flags_mask, params->sta_flags_set);
if (!disable_ap_sme) {
wil_err(wil, "not supported with AP SME enabled\n");
return -EOPNOTSUPP;
}
if (params->aid > WIL_MAX_DMG_AID) {
wil_err(wil, "invalid aid\n");
return -EINVAL;
}
return wmi_new_sta(vif, mac, params->aid);
}
static int wil_cfg80211_del_station(struct wiphy *wiphy,
struct net_device *dev,
struct station_del_parameters *params)
{
struct wil6210_vif *vif = ndev_to_vif(dev);
struct wil6210_priv *wil = wiphy_to_wil(wiphy);
wil_dbg_misc(wil, "del_station: %pM, reason=%d mid=%d\n",
params->mac, params->reason_code, vif->mid);
mutex_lock(&wil->mutex);
wil6210_disconnect(vif, params->mac, params->reason_code);
mutex_unlock(&wil->mutex);
return 0;
}
static int wil_cfg80211_change_station(struct wiphy *wiphy,
struct net_device *dev,
const u8 *mac,
struct station_parameters *params)
{
struct wil6210_vif *vif = ndev_to_vif(dev);
struct wil6210_priv *wil = wiphy_to_wil(wiphy);
int authorize;
int cid, i;
struct wil_ring_tx_data *txdata = NULL;
wil_dbg_misc(wil, "change station %pM mask 0x%x set 0x%x mid %d\n",
mac, params->sta_flags_mask, params->sta_flags_set,
vif->mid);
if (!disable_ap_sme) {
wil_dbg_misc(wil, "not supported with AP SME enabled\n");
return -EOPNOTSUPP;
}
if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
return 0;
cid = wil_find_cid(wil, vif->mid, mac);
if (cid < 0) {
wil_err(wil, "station not found\n");
return -ENOLINK;
}
for (i = 0; i < ARRAY_SIZE(wil->ring2cid_tid); i++)
if (wil->ring2cid_tid[i][0] == cid) {
txdata = &wil->ring_tx_data[i];
break;
}
if (!txdata) {
wil_err(wil, "ring data not found\n");
return -ENOLINK;
}
authorize = params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED);
txdata->dot1x_open = authorize ? 1 : 0;
wil_dbg_misc(wil, "cid %d ring %d authorize %d\n", cid, i,
txdata->dot1x_open);
return 0;
}
/* probe_client handling */
static void wil_probe_client_handle(struct wil6210_priv *wil,
struct wil6210_vif *vif,
struct wil_probe_client_req *req)
{
struct net_device *ndev = vif_to_ndev(vif);
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,
0, false, GFP_KERNEL);
}
static struct list_head *next_probe_client(struct wil6210_vif *vif)
{
struct list_head *ret = NULL;
mutex_lock(&vif->probe_client_mutex);
if (!list_empty(&vif->probe_client_pending)) {
ret = vif->probe_client_pending.next;
list_del(ret);
}
mutex_unlock(&vif->probe_client_mutex);
return ret;
}
void wil_probe_client_worker(struct work_struct *work)
{
struct wil6210_vif *vif = container_of(work, struct wil6210_vif,
probe_client_worker);
struct wil6210_priv *wil = vif_to_wil(vif);
struct wil_probe_client_req *req;
struct list_head *lh;
while ((lh = next_probe_client(vif)) != NULL) {
req = list_entry(lh, struct wil_probe_client_req, list);
wil_probe_client_handle(wil, vif, req);
kfree(req);
}
}
void wil_probe_client_flush(struct wil6210_vif *vif)
{
struct wil_probe_client_req *req, *t;
struct wil6210_priv *wil = vif_to_wil(vif);
wil_dbg_misc(wil, "probe_client_flush\n");
mutex_lock(&vif->probe_client_mutex);
list_for_each_entry_safe(req, t, &vif->probe_client_pending, list) {
list_del(&req->list);
kfree(req);
}
mutex_unlock(&vif->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 wil6210_vif *vif = ndev_to_vif(dev);
struct wil_probe_client_req *req;
int cid = wil_find_cid(wil, vif->mid, peer);
wil_dbg_misc(wil, "probe_client: %pM => CID %d MID %d\n",
peer, cid, vif->mid);
if (cid < 0)
return -ENOLINK;
req = kzalloc(sizeof(*req), GFP_KERNEL);
if (!req)
return -ENOMEM;
req->cid = cid;
req->cookie = cid;
mutex_lock(&vif->probe_client_mutex);
list_add_tail(&req->list, &vif->probe_client_pending);
mutex_unlock(&vif->probe_client_mutex);
*cookie = req->cookie;
queue_work(wil->wq_service, &vif->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);
struct wil6210_vif *vif = ndev_to_vif(dev);
if (params->ap_isolate >= 0) {
wil_dbg_misc(wil, "change_bss: ap_isolate MID %d, %d => %d\n",
vif->mid, vif->ap_isolate, params->ap_isolate);
vif->ap_isolate = params->ap_isolate;
}
return 0;
}
static int wil_cfg80211_set_power_mgmt(struct wiphy *wiphy,
struct net_device *dev,
bool enabled, int timeout)
{
struct wil6210_priv *wil = wiphy_to_wil(wiphy);
enum wmi_ps_profile_type ps_profile;
wil_dbg_misc(wil, "enabled=%d, timeout=%d\n",
enabled, timeout);
if (enabled)
ps_profile = WMI_PS_PROFILE_TYPE_DEFAULT;
else
ps_profile = WMI_PS_PROFILE_TYPE_PS_DISABLED;
return wil_ps_update(wil, ps_profile);
}
static int wil_cfg80211_suspend(struct wiphy *wiphy,
struct cfg80211_wowlan *wow)
{
struct wil6210_priv *wil = wiphy_to_wil(wiphy);
int rc;
/* Setting the wakeup trigger based on wow is TBD */
if (test_bit(wil_status_suspended, wil->status)) {
wil_dbg_pm(wil, "trying to suspend while suspended\n");
return 0;
}
rc = wil_can_suspend(wil, false);
if (rc)
goto out;
wil_dbg_pm(wil, "suspending\n");
mutex_lock(&wil->mutex);
mutex_lock(&wil->vif_mutex);
wil_p2p_stop_radio_operations(wil);
wil_abort_scan_all_vifs(wil, true);
mutex_unlock(&wil->vif_mutex);
mutex_unlock(&wil->mutex);
out:
return rc;
}
static int wil_cfg80211_resume(struct wiphy *wiphy)
{
struct wil6210_priv *wil = wiphy_to_wil(wiphy);
wil_dbg_pm(wil, "resuming\n");
return 0;
}
static int
wil_cfg80211_sched_scan_start(struct wiphy *wiphy,
struct net_device *dev,
struct cfg80211_sched_scan_request *request)
{
struct wil6210_priv *wil = wiphy_to_wil(wiphy);
struct wil6210_vif *vif = ndev_to_vif(dev);
int i, rc;
if (vif->mid != 0)
return -EOPNOTSUPP;
wil_dbg_misc(wil,
"sched scan start: n_ssids %d, ie_len %zu, flags 0x%x\n",
request->n_ssids, request->ie_len, request->flags);
for (i = 0; i < request->n_ssids; i++) {
wil_dbg_misc(wil, "SSID[%d]:", i);
wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1,
request->ssids[i].ssid,
request->ssids[i].ssid_len, true);
}
wil_dbg_misc(wil, "channels:");
for (i = 0; i < request->n_channels; i++)
wil_dbg_misc(wil, " %d%s", request->channels[i]->hw_value,
i == request->n_channels - 1 ? "\n" : "");
wil_dbg_misc(wil, "n_match_sets %d, min_rssi_thold %d, delay %d\n",
request->n_match_sets, request->min_rssi_thold,
request->delay);
for (i = 0; i < request->n_match_sets; i++) {
struct cfg80211_match_set *ms = &request->match_sets[i];
wil_dbg_misc(wil, "MATCHSET[%d]: rssi_thold %d\n",
i, ms->rssi_thold);
wil_hex_dump_misc("SSID ", DUMP_PREFIX_OFFSET, 16, 1,
ms->ssid.ssid,
ms->ssid.ssid_len, true);
}
wil_dbg_misc(wil, "n_scan_plans %d\n", request->n_scan_plans);
for (i = 0; i < request->n_scan_plans; i++) {
struct cfg80211_sched_scan_plan *sp = &request->scan_plans[i];
wil_dbg_misc(wil, "SCAN PLAN[%d]: interval %d iterations %d\n",
i, sp->interval, sp->iterations);
}
rc = wmi_set_ie(vif, WMI_FRAME_PROBE_REQ,
request->ie_len, request->ie);
if (rc)
return rc;
return wmi_start_sched_scan(wil, request);
}
static int
wil_cfg80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev,
u64 reqid)
{
struct wil6210_priv *wil = wiphy_to_wil(wiphy);
struct wil6210_vif *vif = ndev_to_vif(dev);
int rc;
if (vif->mid != 0)
return -EOPNOTSUPP;
rc = wmi_stop_sched_scan(wil);
/* device would return error if it thinks PNO is already stopped.
* ignore the return code so user space and driver gets back in-sync
*/
wil_dbg_misc(wil, "sched scan stopped (%d)\n", rc);
return 0;
}
static int
wil_cfg80211_update_ft_ies(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_update_ft_ies_params *ftie)
{
struct wil6210_priv *wil = wiphy_to_wil(wiphy);
struct wil6210_vif *vif = ndev_to_vif(dev);
struct cfg80211_bss *bss;
struct wmi_ft_reassoc_cmd reassoc;
int rc = 0;
wil_dbg_misc(wil, "update ft ies, mid=%d\n", vif->mid);
wil_hex_dump_misc("FT IE ", DUMP_PREFIX_OFFSET, 16, 1,
ftie->ie, ftie->ie_len, true);
if (!test_bit(WMI_FW_CAPABILITY_FT_ROAMING, wil->fw_capabilities)) {
wil_err(wil, "FW does not support FT roaming\n");
return -EOPNOTSUPP;
}
rc = wmi_update_ft_ies(vif, ftie->ie_len, ftie->ie);
if (rc)
return rc;
if (!test_bit(wil_vif_ft_roam, vif->status))
/* vif is not roaming */
return 0;
/* wil_vif_ft_roam is set. wil_cfg80211_update_ft_ies is used as
* a trigger for reassoc
*/
bss = vif->bss;
if (!bss) {
wil_err(wil, "FT: bss is NULL\n");
return -EINVAL;
}
memset(&reassoc, 0, sizeof(reassoc));
ether_addr_copy(reassoc.bssid, bss->bssid);
rc = wmi_send(wil, WMI_FT_REASSOC_CMDID, vif->mid,
&reassoc, sizeof(reassoc));
if (rc)
wil_err(wil, "FT: reassoc failed (%d)\n", rc);
return rc;
}
static const struct cfg80211_ops wil_cfg80211_ops = {
.add_virtual_intf = wil_cfg80211_add_iface,
.del_virtual_intf = wil_cfg80211_del_iface,
.scan = wil_cfg80211_scan,
.abort_scan = wil_cfg80211_abort_scan,
.connect = wil_cfg80211_connect,
.disconnect = wil_cfg80211_disconnect,
.set_wiphy_params = wil_cfg80211_set_wiphy_params,
.change_virtual_intf = wil_cfg80211_change_iface,
.get_station = wil_cfg80211_get_station,
.dump_station = wil_cfg80211_dump_station,
.remain_on_channel = wil_remain_on_channel,
.cancel_remain_on_channel = wil_cancel_remain_on_channel,
.mgmt_tx = wil_cfg80211_mgmt_tx,
.set_monitor_channel = wil_cfg80211_set_channel,
.add_key = wil_cfg80211_add_key,
.del_key = wil_cfg80211_del_key,
.set_default_key = wil_cfg80211_set_default_key,
/* AP mode */
.change_beacon = wil_cfg80211_change_beacon,
.start_ap = wil_cfg80211_start_ap,
.stop_ap = wil_cfg80211_stop_ap,
.add_station = wil_cfg80211_add_station,
.del_station = wil_cfg80211_del_station,
.change_station = wil_cfg80211_change_station,
.probe_client = wil_cfg80211_probe_client,
.change_bss = wil_cfg80211_change_bss,
/* P2P device */
.start_p2p_device = wil_cfg80211_start_p2p_device,
.stop_p2p_device = wil_cfg80211_stop_p2p_device,
.set_power_mgmt = wil_cfg80211_set_power_mgmt,
.suspend = wil_cfg80211_suspend,
.resume = wil_cfg80211_resume,
.sched_scan_start = wil_cfg80211_sched_scan_start,
.sched_scan_stop = wil_cfg80211_sched_scan_stop,
.update_ft_ies = wil_cfg80211_update_ft_ies,
};
static void wil_wiphy_init(struct wiphy *wiphy)
{
wiphy->max_scan_ssids = 1;
wiphy->max_scan_ie_len = WMI_MAX_IE_LEN;
wiphy->max_remain_on_channel_duration = WIL_MAX_ROC_DURATION_MS;
wiphy->max_num_pmkids = 0 /* TODO: */;
wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
BIT(NL80211_IFTYPE_AP) |
BIT(NL80211_IFTYPE_P2P_CLIENT) |
BIT(NL80211_IFTYPE_P2P_GO) |
BIT(NL80211_IFTYPE_P2P_DEVICE) |
BIT(NL80211_IFTYPE_MONITOR);
wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD |
WIPHY_FLAG_PS_ON_BY_DEFAULT;
if (!disable_ap_sme)
wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME;
dev_dbg(wiphy_dev(wiphy), "%s : flags = 0x%08x\n",
__func__, wiphy->flags);
wiphy->probe_resp_offload =
NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
wiphy->bands[NL80211_BAND_60GHZ] = &wil_band_60ghz;
/* may change after reading FW capabilities */
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;
wiphy->n_vendor_commands = ARRAY_SIZE(wil_nl80211_vendor_commands);
wiphy->vendor_commands = wil_nl80211_vendor_commands;
#ifdef CONFIG_PM
wiphy->wowlan = &wil_wowlan_support;
#endif
}
int wil_cfg80211_iface_combinations_from_fw(
struct wil6210_priv *wil, const struct wil_fw_record_concurrency *conc)
{
struct wiphy *wiphy = wil_to_wiphy(wil);
u32 total_limits = 0;
u16 n_combos;
const struct wil_fw_concurrency_combo *combo;
const struct wil_fw_concurrency_limit *limit;
struct ieee80211_iface_combination *iface_combinations;
struct ieee80211_iface_limit *iface_limit;
int i, j;
if (wiphy->iface_combinations) {
wil_dbg_misc(wil, "iface_combinations already set, skipping\n");
return 0;
}
combo = conc->combos;
n_combos = le16_to_cpu(conc->n_combos);
for (i = 0; i < n_combos; i++) {
total_limits += combo->n_limits;
limit = combo->limits + combo->n_limits;
combo = (struct wil_fw_concurrency_combo *)limit;
}
iface_combinations =
kzalloc(n_combos * sizeof(struct ieee80211_iface_combination) +
total_limits * sizeof(struct ieee80211_iface_limit),
GFP_KERNEL);
if (!iface_combinations)
return -ENOMEM;
iface_limit = (struct ieee80211_iface_limit *)(iface_combinations +
n_combos);
combo = conc->combos;
for (i = 0; i < n_combos; i++) {
iface_combinations[i].max_interfaces = combo->max_interfaces;
iface_combinations[i].num_different_channels =
combo->n_diff_channels;
iface_combinations[i].beacon_int_infra_match =
combo->same_bi;
iface_combinations[i].n_limits = combo->n_limits;
wil_dbg_misc(wil,
"iface_combination %d: max_if %d, num_ch %d, bi_match %d\n",
i, iface_combinations[i].max_interfaces,
iface_combinations[i].num_different_channels,
iface_combinations[i].beacon_int_infra_match);
limit = combo->limits;
for (j = 0; j < combo->n_limits; j++) {
iface_limit[j].max = le16_to_cpu(limit[j].max);
iface_limit[j].types = le16_to_cpu(limit[j].types);
wil_dbg_misc(wil,
"limit %d: max %d types 0x%x\n", j,
iface_limit[j].max, iface_limit[j].types);
}
iface_combinations[i].limits = iface_limit;
iface_limit += combo->n_limits;
limit += combo->n_limits;
combo = (struct wil_fw_concurrency_combo *)limit;
}
wil_dbg_misc(wil, "multiple VIFs supported, n_mids %d\n", conc->n_mids);
wil->max_vifs = conc->n_mids + 1; /* including main interface */
if (wil->max_vifs > WIL_MAX_VIFS) {
wil_info(wil, "limited number of VIFs supported(%d, FW %d)\n",
WIL_MAX_VIFS, wil->max_vifs);
wil->max_vifs = WIL_MAX_VIFS;
}
wiphy->n_iface_combinations = n_combos;
wiphy->iface_combinations = iface_combinations;
return 0;
}
struct wil6210_priv *wil_cfg80211_init(struct device *dev)
{
struct wiphy *wiphy;
struct wil6210_priv *wil;
struct ieee80211_channel *ch;
dev_dbg(dev, "%s()\n", __func__);
/* Note: the wireless_dev structure is no longer allocated here.
* Instead, it is allocated as part of the net_device structure
* for main interface and each VIF.
*/
wiphy = wiphy_new(&wil_cfg80211_ops, sizeof(struct wil6210_priv));
if (!wiphy)
return ERR_PTR(-ENOMEM);
set_wiphy_dev(wiphy, dev);
wil_wiphy_init(wiphy);
wil = wiphy_to_wil(wiphy);
wil->wiphy = wiphy;
/* default monitor channel */
ch = wiphy->bands[NL80211_BAND_60GHZ]->channels;
cfg80211_chandef_create(&wil->monitor_chandef, ch, NL80211_CHAN_NO_HT);
return wil;
}
void wil_cfg80211_deinit(struct wil6210_priv *wil)
{
struct wiphy *wiphy = wil_to_wiphy(wil);
dev_dbg(wil_to_dev(wil), "%s()\n", __func__);
if (!wiphy)
return;
kfree(wiphy->iface_combinations);
wiphy->iface_combinations = NULL;
wiphy_free(wiphy);
/* do not access wil6210_priv after returning from here */
}
void wil_p2p_wdev_free(struct wil6210_priv *wil)
{
struct wireless_dev *p2p_wdev;
mutex_lock(&wil->vif_mutex);
p2p_wdev = wil->p2p_wdev;
wil->p2p_wdev = NULL;
wil->radio_wdev = wil->main_ndev->ieee80211_ptr;
mutex_unlock(&wil->vif_mutex);
if (p2p_wdev) {
cfg80211_unregister_wdev(p2p_wdev);
kfree(p2p_wdev);
}
}
static int wil_rf_sector_status_to_rc(u8 status)
{
switch (status) {
case WMI_RF_SECTOR_STATUS_SUCCESS:
return 0;
case WMI_RF_SECTOR_STATUS_BAD_PARAMETERS_ERROR:
return -EINVAL;
case WMI_RF_SECTOR_STATUS_BUSY_ERROR:
return -EAGAIN;
case WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR:
return -EOPNOTSUPP;
default:
return -EINVAL;
}
}
static int wil_rf_sector_get_cfg(struct wiphy *wiphy,
struct wireless_dev *wdev,
const void *data, int data_len)
{
struct wil6210_priv *wil = wdev_to_wil(wdev);
struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
int rc;
struct nlattr *tb[QCA_ATTR_DMG_RF_SECTOR_MAX + 1];
u16 sector_index;
u8 sector_type;
u32 rf_modules_vec;
struct wmi_get_rf_sector_params_cmd cmd;
struct {
struct wmi_cmd_hdr wmi;
struct wmi_get_rf_sector_params_done_event evt;
} __packed reply = {
.evt = {.status = WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR},
};
struct sk_buff *msg;
struct nlattr *nl_cfgs, *nl_cfg;
u32 i;
struct wmi_rf_sector_info *si;
if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities))
return -EOPNOTSUPP;
rc = nla_parse(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data, data_len,
wil_rf_sector_policy, NULL);
if (rc) {
wil_err(wil, "Invalid rf sector ATTR\n");
return rc;
}
if (!tb[QCA_ATTR_DMG_RF_SECTOR_INDEX] ||
!tb[QCA_ATTR_DMG_RF_SECTOR_TYPE] ||
!tb[QCA_ATTR_DMG_RF_MODULE_MASK]) {
wil_err(wil, "Invalid rf sector spec\n");
return -EINVAL;
}
sector_index = nla_get_u16(
tb[QCA_ATTR_DMG_RF_SECTOR_INDEX]);
if (sector_index >= WIL_MAX_RF_SECTORS) {
wil_err(wil, "Invalid sector index %d\n", sector_index);
return -EINVAL;
}
sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]);
if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) {
wil_err(wil, "Invalid sector type %d\n", sector_type);
return -EINVAL;
}
rf_modules_vec = nla_get_u32(
tb[QCA_ATTR_DMG_RF_MODULE_MASK]);
if (rf_modules_vec >= BIT(WMI_MAX_RF_MODULES_NUM)) {
wil_err(wil, "Invalid rf module mask 0x%x\n", rf_modules_vec);
return -EINVAL;
}
cmd.sector_idx = cpu_to_le16(sector_index);
cmd.sector_type = sector_type;
cmd.rf_modules_vec = rf_modules_vec & 0xFF;
rc = wmi_call(wil, WMI_GET_RF_SECTOR_PARAMS_CMDID, vif->mid,
&cmd, sizeof(cmd), WMI_GET_RF_SECTOR_PARAMS_DONE_EVENTID,
&reply, sizeof(reply),
500);
if (rc)
return rc;
if (reply.evt.status) {
wil_err(wil, "get rf sector cfg failed with status %d\n",
reply.evt.status);
return wil_rf_sector_status_to_rc(reply.evt.status);
}
msg = cfg80211_vendor_cmd_alloc_reply_skb(
wiphy, 64 * WMI_MAX_RF_MODULES_NUM);
if (!msg)
return -ENOMEM;
if (nla_put_u64_64bit(msg, QCA_ATTR_TSF,
le64_to_cpu(reply.evt.tsf),
QCA_ATTR_PAD))
goto nla_put_failure;
nl_cfgs = nla_nest_start(msg, QCA_ATTR_DMG_RF_SECTOR_CFG);
if (!nl_cfgs)
goto nla_put_failure;
for (i = 0; i < WMI_MAX_RF_MODULES_NUM; i++) {
if (!(rf_modules_vec & BIT(i)))
continue;
nl_cfg = nla_nest_start(msg, i);
if (!nl_cfg)
goto nla_put_failure;
si = &reply.evt.sectors_info[i];
if (nla_put_u8(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX,
i) ||
nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0,
le32_to_cpu(si->etype0)) ||
nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1,
le32_to_cpu(si->etype1)) ||
nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2,
le32_to_cpu(si->etype2)) ||
nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI,
le32_to_cpu(si->psh_hi)) ||
nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO,
le32_to_cpu(si->psh_lo)) ||
nla_put_u32(msg, QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16,
le32_to_cpu(si->dtype_swch_off)))
goto nla_put_failure;
nla_nest_end(msg, nl_cfg);
}
nla_nest_end(msg, nl_cfgs);
rc = cfg80211_vendor_cmd_reply(msg);
return rc;
nla_put_failure:
kfree_skb(msg);
return -ENOBUFS;
}
static int wil_rf_sector_set_cfg(struct wiphy *wiphy,
struct wireless_dev *wdev,
const void *data, int data_len)
{
struct wil6210_priv *wil = wdev_to_wil(wdev);
struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
int rc, tmp;
struct nlattr *tb[QCA_ATTR_DMG_RF_SECTOR_MAX + 1];
struct nlattr *tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_MAX + 1];
u16 sector_index, rf_module_index;
u8 sector_type;
u32 rf_modules_vec = 0;
struct wmi_set_rf_sector_params_cmd cmd;
struct {
struct wmi_cmd_hdr wmi;
struct wmi_set_rf_sector_params_done_event evt;
} __packed reply = {
.evt = {.status = WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR},
};
struct nlattr *nl_cfg;
struct wmi_rf_sector_info *si;
if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities))
return -EOPNOTSUPP;
rc = nla_parse(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data, data_len,
wil_rf_sector_policy, NULL);
if (rc) {
wil_err(wil, "Invalid rf sector ATTR\n");
return rc;
}
if (!tb[QCA_ATTR_DMG_RF_SECTOR_INDEX] ||
!tb[QCA_ATTR_DMG_RF_SECTOR_TYPE] ||
!tb[QCA_ATTR_DMG_RF_SECTOR_CFG]) {
wil_err(wil, "Invalid rf sector spec\n");
return -EINVAL;
}
sector_index = nla_get_u16(
tb[QCA_ATTR_DMG_RF_SECTOR_INDEX]);
if (sector_index >= WIL_MAX_RF_SECTORS) {
wil_err(wil, "Invalid sector index %d\n", sector_index);
return -EINVAL;
}
sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]);
if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) {
wil_err(wil, "Invalid sector type %d\n", sector_type);
return -EINVAL;
}
memset(&cmd, 0, sizeof(cmd));
cmd.sector_idx = cpu_to_le16(sector_index);
cmd.sector_type = sector_type;
nla_for_each_nested(nl_cfg, tb[QCA_ATTR_DMG_RF_SECTOR_CFG],
tmp) {
rc = nla_parse_nested(tb2, QCA_ATTR_DMG_RF_SECTOR_CFG_MAX,
nl_cfg, wil_rf_sector_cfg_policy,
NULL);
if (rc) {
wil_err(wil, "invalid sector cfg\n");
return -EINVAL;
}
if (!tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX] ||
!tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0] ||
!tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1] ||
!tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2] ||
!tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI] ||
!tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO] ||
!tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16]) {
wil_err(wil, "missing cfg params\n");
return -EINVAL;
}
rf_module_index = nla_get_u8(
tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_MODULE_INDEX]);
if (rf_module_index >= WMI_MAX_RF_MODULES_NUM) {
wil_err(wil, "invalid RF module index %d\n",
rf_module_index);
return -EINVAL;
}
rf_modules_vec |= BIT(rf_module_index);
si = &cmd.sectors_info[rf_module_index];
si->etype0 = cpu_to_le32(nla_get_u32(
tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE0]));
si->etype1 = cpu_to_le32(nla_get_u32(
tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE1]));
si->etype2 = cpu_to_le32(nla_get_u32(
tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_ETYPE2]));
si->psh_hi = cpu_to_le32(nla_get_u32(
tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_HI]));
si->psh_lo = cpu_to_le32(nla_get_u32(
tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_PSH_LO]));
si->dtype_swch_off = cpu_to_le32(nla_get_u32(
tb2[QCA_ATTR_DMG_RF_SECTOR_CFG_DTYPE_X16]));
}
cmd.rf_modules_vec = rf_modules_vec & 0xFF;
rc = wmi_call(wil, WMI_SET_RF_SECTOR_PARAMS_CMDID, vif->mid,
&cmd, sizeof(cmd), WMI_SET_RF_SECTOR_PARAMS_DONE_EVENTID,
&reply, sizeof(reply),
500);
if (rc)
return rc;
return wil_rf_sector_status_to_rc(reply.evt.status);
}
static int wil_rf_sector_get_selected(struct wiphy *wiphy,
struct wireless_dev *wdev,
const void *data, int data_len)
{
struct wil6210_priv *wil = wdev_to_wil(wdev);
struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
int rc;
struct nlattr *tb[QCA_ATTR_DMG_RF_SECTOR_MAX + 1];
u8 sector_type, mac_addr[ETH_ALEN];
int cid = 0;
struct wmi_get_selected_rf_sector_index_cmd cmd;
struct {
struct wmi_cmd_hdr wmi;
struct wmi_get_selected_rf_sector_index_done_event evt;
} __packed reply = {
.evt = {.status = WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR},
};
struct sk_buff *msg;
if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities))
return -EOPNOTSUPP;
rc = nla_parse(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data, data_len,
wil_rf_sector_policy, NULL);
if (rc) {
wil_err(wil, "Invalid rf sector ATTR\n");
return rc;
}
if (!tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]) {
wil_err(wil, "Invalid rf sector spec\n");
return -EINVAL;
}
sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]);
if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) {
wil_err(wil, "Invalid sector type %d\n", sector_type);
return -EINVAL;
}
if (tb[QCA_ATTR_MAC_ADDR]) {
ether_addr_copy(mac_addr, nla_data(tb[QCA_ATTR_MAC_ADDR]));
cid = wil_find_cid(wil, vif->mid, mac_addr);
if (cid < 0) {
wil_err(wil, "invalid MAC address %pM\n", mac_addr);
return -ENOENT;
}
} else {
if (test_bit(wil_vif_fwconnected, vif->status)) {
wil_err(wil, "must specify MAC address when connected\n");
return -EINVAL;
}
}
memset(&cmd, 0, sizeof(cmd));
cmd.cid = (u8)cid;
cmd.sector_type = sector_type;
rc = wmi_call(wil, WMI_GET_SELECTED_RF_SECTOR_INDEX_CMDID, vif->mid,
&cmd, sizeof(cmd),
WMI_GET_SELECTED_RF_SECTOR_INDEX_DONE_EVENTID,
&reply, sizeof(reply),
500);
if (rc)
return rc;
if (reply.evt.status) {
wil_err(wil, "get rf selected sector cfg failed with status %d\n",
reply.evt.status);
return wil_rf_sector_status_to_rc(reply.evt.status);
}
msg = cfg80211_vendor_cmd_alloc_reply_skb(
wiphy, 64 * WMI_MAX_RF_MODULES_NUM);
if (!msg)
return -ENOMEM;
if (nla_put_u64_64bit(msg, QCA_ATTR_TSF,
le64_to_cpu(reply.evt.tsf),
QCA_ATTR_PAD) ||
nla_put_u16(msg, QCA_ATTR_DMG_RF_SECTOR_INDEX,
le16_to_cpu(reply.evt.sector_idx)))
goto nla_put_failure;
rc = cfg80211_vendor_cmd_reply(msg);
return rc;
nla_put_failure:
kfree_skb(msg);
return -ENOBUFS;
}
static int wil_rf_sector_wmi_set_selected(struct wil6210_priv *wil,
u8 mid, u16 sector_index,
u8 sector_type, u8 cid)
{
struct wmi_set_selected_rf_sector_index_cmd cmd;
struct {
struct wmi_cmd_hdr wmi;
struct wmi_set_selected_rf_sector_index_done_event evt;
} __packed reply = {
.evt = {.status = WMI_RF_SECTOR_STATUS_NOT_SUPPORTED_ERROR},
};
int rc;
memset(&cmd, 0, sizeof(cmd));
cmd.sector_idx = cpu_to_le16(sector_index);
cmd.sector_type = sector_type;
cmd.cid = (u8)cid;
rc = wmi_call(wil, WMI_SET_SELECTED_RF_SECTOR_INDEX_CMDID, mid,
&cmd, sizeof(cmd),
WMI_SET_SELECTED_RF_SECTOR_INDEX_DONE_EVENTID,
&reply, sizeof(reply),
500);
if (rc)
return rc;
return wil_rf_sector_status_to_rc(reply.evt.status);
}
static int wil_rf_sector_set_selected(struct wiphy *wiphy,
struct wireless_dev *wdev,
const void *data, int data_len)
{
struct wil6210_priv *wil = wdev_to_wil(wdev);
struct wil6210_vif *vif = wdev_to_vif(wil, wdev);
int rc;
struct nlattr *tb[QCA_ATTR_DMG_RF_SECTOR_MAX + 1];
u16 sector_index;
u8 sector_type, mac_addr[ETH_ALEN], i;
int cid = 0;
if (!test_bit(WMI_FW_CAPABILITY_RF_SECTORS, wil->fw_capabilities))
return -EOPNOTSUPP;
rc = nla_parse(tb, QCA_ATTR_DMG_RF_SECTOR_MAX, data, data_len,
wil_rf_sector_policy, NULL);
if (rc) {
wil_err(wil, "Invalid rf sector ATTR\n");
return rc;
}
if (!tb[QCA_ATTR_DMG_RF_SECTOR_INDEX] ||
!tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]) {
wil_err(wil, "Invalid rf sector spec\n");
return -EINVAL;
}
sector_index = nla_get_u16(
tb[QCA_ATTR_DMG_RF_SECTOR_INDEX]);
if (sector_index >= WIL_MAX_RF_SECTORS &&
sector_index != WMI_INVALID_RF_SECTOR_INDEX) {
wil_err(wil, "Invalid sector index %d\n", sector_index);
return -EINVAL;
}
sector_type = nla_get_u8(tb[QCA_ATTR_DMG_RF_SECTOR_TYPE]);
if (sector_type >= QCA_ATTR_DMG_RF_SECTOR_TYPE_MAX) {
wil_err(wil, "Invalid sector type %d\n", sector_type);
return -EINVAL;
}
if (tb[QCA_ATTR_MAC_ADDR]) {
ether_addr_copy(mac_addr, nla_data(tb[QCA_ATTR_MAC_ADDR]));
if (!is_broadcast_ether_addr(mac_addr)) {
cid = wil_find_cid(wil, vif->mid, mac_addr);
if (cid < 0) {
wil_err(wil, "invalid MAC address %pM\n",
mac_addr);
return -ENOENT;
}
} else {
if (sector_index != WMI_INVALID_RF_SECTOR_INDEX) {
wil_err(wil, "broadcast MAC valid only with unlocking\n");
return -EINVAL;
}
cid = -1;
}
} else {
if (test_bit(wil_vif_fwconnected, vif->status)) {
wil_err(wil, "must specify MAC address when connected\n");
return -EINVAL;
}
/* otherwise, using cid=0 for unassociated station */
}
if (cid >= 0) {
rc = wil_rf_sector_wmi_set_selected(wil, vif->mid, sector_index,
sector_type, cid);
} else {
/* unlock all cids */
rc = wil_rf_sector_wmi_set_selected(
wil, vif->mid, WMI_INVALID_RF_SECTOR_INDEX,
sector_type, WIL_CID_ALL);
if (rc == -EINVAL) {
for (i = 0; i < max_assoc_sta; i++) {
if (wil->sta[i].mid != vif->mid)
continue;
rc = wil_rf_sector_wmi_set_selected(
wil, vif->mid,
WMI_INVALID_RF_SECTOR_INDEX,
sector_type, i);
/* the FW will silently ignore and return
* success for unused cid, so abort the loop
* on any other error
*/
if (rc) {
wil_err(wil, "unlock cid %d failed with status %d\n",
i, rc);
break;
}
}
}
}
return rc;
}
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