| /* |
| * Copyright (c) 2012-2017 Qualcomm Atheros, Inc. |
| * |
| * Permission to use, copy, modify, and/or distribute this software for any |
| * purpose with or without fee is hereby granted, provided that the above |
| * copyright notice and this permission notice appear in all copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| */ |
| |
| #include <linux/etherdevice.h> |
| #include <linux/moduleparam.h> |
| #include <net/netlink.h> |
| #include "wil6210.h" |
| #include "wmi.h" |
| |
| #define WIL_MAX_ROC_DURATION_MS 5000 |
| |
| bool disable_ap_sme; |
| module_param(disable_ap_sme, bool, 0444); |
| MODULE_PARM_DESC(disable_ap_sme, " let user space handle AP mode SME"); |
| |
| #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), |
| /* channel 4 not supported yet */ |
| }; |
| |
| /* 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), |
| .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | |
| BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | |
| BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | |
| BIT(IEEE80211_STYPE_DISASSOC >> 4) | |
| BIT(IEEE80211_STYPE_AUTH >> 4) | |
| BIT(IEEE80211_STYPE_DEAUTH >> 4) | |
| BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
| }, |
| [NL80211_IFTYPE_P2P_CLIENT] = { |
| .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | |
| BIT(IEEE80211_STYPE_PROBE_RESP >> 4), |
| .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | |
| BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
| }, |
| [NL80211_IFTYPE_P2P_GO] = { |
| .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | |
| BIT(IEEE80211_STYPE_PROBE_RESP >> 4), |
| .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | |
| BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
| }, |
| [NL80211_IFTYPE_P2P_DEVICE] = { |
| .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | |
| BIT(IEEE80211_STYPE_PROBE_RESP >> 4), |
| .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | |
| BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
| }, |
| }; |
| |
| static const u32 wil_cipher_suites[] = { |
| WLAN_CIPHER_SUITE_GCMP, |
| }; |
| |
| static const char * const key_usage_str[] = { |
| [WMI_KEY_USE_PAIRWISE] = "PTK", |
| [WMI_KEY_USE_RX_GROUP] = "RX_GTK", |
| [WMI_KEY_USE_TX_GROUP] = "TX_GTK", |
| }; |
| |
| int wil_iftype_nl2wmi(enum nl80211_iftype type) |
| { |
| static const struct { |
| enum nl80211_iftype nl; |
| enum wmi_network_type wmi; |
| } __nl2wmi[] = { |
| {NL80211_IFTYPE_ADHOC, WMI_NETTYPE_ADHOC}, |
| {NL80211_IFTYPE_STATION, WMI_NETTYPE_INFRA}, |
| {NL80211_IFTYPE_AP, WMI_NETTYPE_AP}, |
| {NL80211_IFTYPE_P2P_CLIENT, WMI_NETTYPE_P2P}, |
| {NL80211_IFTYPE_P2P_GO, WMI_NETTYPE_P2P}, |
| {NL80211_IFTYPE_MONITOR, WMI_NETTYPE_ADHOC}, /* FIXME */ |
| }; |
| uint i; |
| |
| for (i = 0; i < ARRAY_SIZE(__nl2wmi); i++) { |
| if (__nl2wmi[i].nl == type) |
| return __nl2wmi[i].wmi; |
| } |
| |
| return -EOPNOTSUPP; |
| } |
| |
| int wil_cid_fill_sinfo(struct wil6210_priv *wil, int cid, |
| struct station_info *sinfo) |
| { |
| struct wmi_notify_req_cmd cmd = { |
| .cid = cid, |
| .interval_usec = 0, |
| }; |
| struct { |
| struct wmi_cmd_hdr wmi; |
| struct wmi_notify_req_done_event evt; |
| } __packed reply; |
| struct wil_net_stats *stats = &wil->sta[cid].stats; |
| int rc; |
| |
| rc = wmi_call(wil, WMI_NOTIFY_REQ_CMDID, &cmd, sizeof(cmd), |
| WMI_NOTIFY_REQ_DONE_EVENTID, &reply, sizeof(reply), 20); |
| if (rc) |
| return rc; |
| |
| wil_dbg_wmi(wil, "Link status for CID %d: {\n" |
| " MCS %d TSF 0x%016llx\n" |
| " BF status 0x%08x 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, 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(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_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_status_fwconnected, wil->status)) { |
| sinfo->filled |= BIT(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_priv *wil = wiphy_to_wil(wiphy); |
| int rc; |
| |
| int cid = wil_find_cid(wil, mac); |
| |
| wil_dbg_misc(wil, "get_station: %pM CID %d\n", mac, cid); |
| if (cid < 0) |
| return cid; |
| |
| rc = wil_cid_fill_sinfo(wil, cid, sinfo); |
| |
| return rc; |
| } |
| |
| /* |
| * Find @idx-th active STA for station dump. |
| */ |
| static int wil_find_cid_by_idx(struct wil6210_priv *wil, int idx) |
| { |
| int i; |
| |
| for (i = 0; i < ARRAY_SIZE(wil->sta); i++) { |
| if (wil->sta[i].status == wil_sta_unused) |
| continue; |
| if (idx == 0) |
| return i; |
| idx--; |
| } |
| |
| return -ENOENT; |
| } |
| |
| static int wil_cfg80211_dump_station(struct wiphy *wiphy, |
| struct net_device *dev, int idx, |
| u8 *mac, struct station_info *sinfo) |
| { |
| struct wil6210_priv *wil = wiphy_to_wil(wiphy); |
| int rc; |
| int cid = wil_find_cid_by_idx(wil, idx); |
| |
| if (cid < 0) |
| return -ENOENT; |
| |
| ether_addr_copy(mac, wil->sta[cid].addr); |
| wil_dbg_misc(wil, "dump_station: %pM CID %d\n", mac, cid); |
| |
| rc = wil_cid_fill_sinfo(wil, cid, sinfo); |
| |
| return rc; |
| } |
| |
| static int wil_cfg80211_start_p2p_device(struct wiphy *wiphy, |
| struct wireless_dev *wdev) |
| { |
| struct wil6210_priv *wil = wiphy_to_wil(wiphy); |
| |
| wil_dbg_misc(wil, "start_p2p_device: entered\n"); |
| wil->p2p.p2p_dev_started = 1; |
| return 0; |
| } |
| |
| static void wil_cfg80211_stop_p2p_device(struct wiphy *wiphy, |
| struct wireless_dev *wdev) |
| { |
| struct wil6210_priv *wil = wiphy_to_wil(wiphy); |
| struct wil_p2p_info *p2p = &wil->p2p; |
| |
| if (!p2p->p2p_dev_started) |
| return; |
| |
| wil_dbg_misc(wil, "stop_p2p_device: entered\n"); |
| mutex_lock(&wil->mutex); |
| mutex_lock(&wil->p2p_wdev_mutex); |
| wil_p2p_stop_radio_operations(wil); |
| p2p->p2p_dev_started = 0; |
| mutex_unlock(&wil->p2p_wdev_mutex); |
| mutex_unlock(&wil->mutex); |
| } |
| |
| static 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 = wil_to_ndev(wil); |
| struct wireless_dev *p2p_wdev; |
| |
| wil_dbg_misc(wil, "add_iface\n"); |
| |
| if (type != NL80211_IFTYPE_P2P_DEVICE) { |
| wil_err(wil, "unsupported iftype %d\n", type); |
| return ERR_PTR(-EINVAL); |
| } |
| |
| if (wil->p2p_wdev) { |
| wil_err(wil, "P2P_DEVICE interface already created\n"); |
| return ERR_PTR(-EINVAL); |
| } |
| |
| p2p_wdev = kzalloc(sizeof(*p2p_wdev), GFP_KERNEL); |
| if (!p2p_wdev) |
| return ERR_PTR(-ENOMEM); |
| |
| p2p_wdev->iftype = type; |
| p2p_wdev->wiphy = wiphy; |
| /* use our primary ethernet address */ |
| ether_addr_copy(p2p_wdev->address, ndev->perm_addr); |
| |
| wil->p2p_wdev = p2p_wdev; |
| |
| return p2p_wdev; |
| } |
| |
| static int wil_cfg80211_del_iface(struct wiphy *wiphy, |
| struct wireless_dev *wdev) |
| { |
| struct wil6210_priv *wil = wiphy_to_wil(wiphy); |
| |
| wil_dbg_misc(wil, "del_iface\n"); |
| |
| if (wdev != wil->p2p_wdev) { |
| wil_err(wil, "delete of incorrect interface 0x%p\n", wdev); |
| return -EINVAL; |
| } |
| |
| wil_cfg80211_stop_p2p_device(wiphy, wdev); |
| wil_p2p_wdev_free(wil); |
| |
| return 0; |
| } |
| |
| 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 wireless_dev *wdev = wil_to_wdev(wil); |
| int rc; |
| |
| wil_dbg_misc(wil, "change_iface: type=%d\n", type); |
| |
| if (netif_running(wil_to_ndev(wil)) && !wil_is_recovery_blocked(wil)) { |
| wil_dbg_misc(wil, "interface is up. resetting...\n"); |
| mutex_lock(&wil->mutex); |
| __wil_down(wil); |
| rc = __wil_up(wil); |
| mutex_unlock(&wil->mutex); |
| |
| if (rc) |
| return rc; |
| } |
| |
| switch (type) { |
| case NL80211_IFTYPE_STATION: |
| case NL80211_IFTYPE_AP: |
| case NL80211_IFTYPE_P2P_CLIENT: |
| case NL80211_IFTYPE_P2P_GO: |
| break; |
| case NL80211_IFTYPE_MONITOR: |
| if (params->flags) |
| wil->monitor_flags = params->flags; |
| break; |
| default: |
| return -EOPNOTSUPP; |
| } |
| |
| wdev->iftype = type; |
| |
| return 0; |
| } |
| |
| static int wil_cfg80211_scan(struct wiphy *wiphy, |
| struct cfg80211_scan_request *request) |
| { |
| struct wil6210_priv *wil = wiphy_to_wil(wiphy); |
| struct wireless_dev *wdev = request->wdev; |
| struct { |
| struct wmi_start_scan_cmd cmd; |
| u16 chnl[4]; |
| } __packed cmd; |
| uint i, n; |
| int rc; |
| |
| wil_dbg_misc(wil, "scan: wdev=0x%p iftype=%d\n", wdev, wdev->iftype); |
| |
| /* check we are client side */ |
| switch (wdev->iftype) { |
| case NL80211_IFTYPE_STATION: |
| case NL80211_IFTYPE_P2P_CLIENT: |
| case NL80211_IFTYPE_P2P_DEVICE: |
| break; |
| default: |
| return -EOPNOTSUPP; |
| } |
| |
| /* FW don't support scan after connection attempt */ |
| if (test_bit(wil_status_dontscan, wil->status)) { |
| wil_err(wil, "Can't scan now\n"); |
| return -EBUSY; |
| } |
| |
| mutex_lock(&wil->mutex); |
| |
| mutex_lock(&wil->p2p_wdev_mutex); |
| if (wil->scan_request || wil->p2p.discovery_started) { |
| wil_err(wil, "Already scanning\n"); |
| mutex_unlock(&wil->p2p_wdev_mutex); |
| rc = -EAGAIN; |
| goto out; |
| } |
| mutex_unlock(&wil->p2p_wdev_mutex); |
| |
| if (wdev->iftype == NL80211_IFTYPE_P2P_DEVICE) { |
| if (!wil->p2p.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)) { |
| wil->scan_request = request; |
| wil->radio_wdev = wdev; |
| rc = wil_p2p_search(wil, request); |
| if (rc) { |
| wil->radio_wdev = wil_to_wdev(wil); |
| wil->scan_request = NULL; |
| } |
| goto out; |
| } |
| } |
| |
| (void)wil_p2p_stop_discovery(wil); |
| |
| wil_dbg_misc(wil, "Start scan_request 0x%p\n", request); |
| wil_dbg_misc(wil, "SSID count: %d", request->n_ssids); |
| |
| for (i = 0; i < request->n_ssids; i++) { |
| wil_dbg_misc(wil, "SSID[%d]", i); |
| 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(wil, request->ssids[0].ssid_len, |
| request->ssids[0].ssid); |
| else |
| rc = wmi_set_ssid(wil, 0, NULL); |
| |
| if (rc) { |
| wil_err(wil, "set SSID for scan request failed: %d\n", rc); |
| goto out; |
| } |
| |
| wil->scan_request = request; |
| mod_timer(&wil->scan_timer, jiffies + WIL6210_SCAN_TO); |
| |
| memset(&cmd, 0, sizeof(cmd)); |
| cmd.cmd.scan_type = WMI_ACTIVE_SCAN; |
| cmd.cmd.num_channels = 0; |
| n = min(request->n_channels, 4U); |
| for (i = 0; i < n; i++) { |
| int ch = request->channels[i]->hw_value; |
| |
| if (ch == 0) { |
| wil_err(wil, |
| "Scan requested for unknown frequency %dMhz\n", |
| request->channels[i]->center_freq); |
| continue; |
| } |
| /* 0-based channel indexes */ |
| cmd.cmd.channel_list[cmd.cmd.num_channels++].channel = ch - 1; |
| wil_dbg_misc(wil, "Scan for ch %d : %d MHz\n", ch, |
| request->channels[i]->center_freq); |
| } |
| |
| if (request->ie_len) |
| 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(wil, WMI_FRAME_PROBE_REQ, request->ie_len, request->ie); |
| if (rc) |
| goto out_restore; |
| |
| if (wil->discovery_mode && cmd.cmd.scan_type == WMI_ACTIVE_SCAN) { |
| cmd.cmd.discovery_mode = 1; |
| wil_dbg_misc(wil, "active scan with discovery_mode=1\n"); |
| } |
| |
| wil->radio_wdev = wdev; |
| rc = wmi_send(wil, WMI_START_SCAN_CMDID, &cmd, sizeof(cmd.cmd) + |
| cmd.cmd.num_channels * sizeof(cmd.cmd.channel_list[0])); |
| |
| out_restore: |
| if (rc) { |
| del_timer_sync(&wil->scan_timer); |
| wil->radio_wdev = wil_to_wdev(wil); |
| wil->scan_request = NULL; |
| } |
| out: |
| mutex_unlock(&wil->mutex); |
| return rc; |
| } |
| |
| static void wil_cfg80211_abort_scan(struct wiphy *wiphy, |
| struct wireless_dev *wdev) |
| { |
| struct wil6210_priv *wil = wiphy_to_wil(wiphy); |
| |
| wil_dbg_misc(wil, "wdev=0x%p iftype=%d\n", wdev, wdev->iftype); |
| |
| mutex_lock(&wil->mutex); |
| mutex_lock(&wil->p2p_wdev_mutex); |
| |
| if (!wil->scan_request) |
| goto out; |
| |
| if (wdev != wil->scan_request->wdev) { |
| wil_dbg_misc(wil, "abort scan was called on the wrong iface\n"); |
| goto out; |
| } |
| |
| if (wil->radio_wdev == wil->p2p_wdev) |
| wil_p2p_stop_radio_operations(wil); |
| else |
| wil_abort_scan(wil, true); |
| |
| out: |
| mutex_unlock(&wil->p2p_wdev_mutex); |
| mutex_unlock(&wil->mutex); |
| } |
| |
| static void wil_print_crypto(struct wil6210_priv *wil, |
| struct cfg80211_crypto_settings *c) |
| { |
| int i, n; |
| |
| wil_dbg_misc(wil, "WPA versions: 0x%08x cipher group 0x%08x\n", |
| c->wpa_versions, c->cipher_group); |
| wil_dbg_misc(wil, "Pairwise ciphers [%d] {\n", c->n_ciphers_pairwise); |
| n = min_t(int, c->n_ciphers_pairwise, ARRAY_SIZE(c->ciphers_pairwise)); |
| for (i = 0; i < n; i++) |
| wil_dbg_misc(wil, " [%d] = 0x%08x\n", i, |
| c->ciphers_pairwise[i]); |
| wil_dbg_misc(wil, "}\n"); |
| wil_dbg_misc(wil, "AKM suites [%d] {\n", c->n_akm_suites); |
| n = min_t(int, c->n_akm_suites, ARRAY_SIZE(c->akm_suites)); |
| for (i = 0; i < n; i++) |
| wil_dbg_misc(wil, " [%d] = 0x%08x\n", i, |
| c->akm_suites[i]); |
| wil_dbg_misc(wil, "}\n"); |
| wil_dbg_misc(wil, "Control port : %d, eth_type 0x%04x no_encrypt %d\n", |
| c->control_port, be16_to_cpu(c->control_port_ethertype), |
| c->control_port_no_encrypt); |
| } |
| |
| static void wil_print_connect_params(struct wil6210_priv *wil, |
| struct cfg80211_connect_params *sme) |
| { |
| wil_info(wil, "Connecting to:\n"); |
| if (sme->channel) { |
| wil_info(wil, " Channel: %d freq %d\n", |
| sme->channel->hw_value, sme->channel->center_freq); |
| } |
| if (sme->bssid) |
| wil_info(wil, " BSSID: %pM\n", sme->bssid); |
| if (sme->ssid) |
| print_hex_dump(KERN_INFO, " SSID: ", DUMP_PREFIX_OFFSET, |
| 16, 1, sme->ssid, sme->ssid_len, true); |
| wil_info(wil, " Privacy: %s\n", sme->privacy ? "secure" : "open"); |
| wil_info(wil, " PBSS: %d\n", sme->pbss); |
| wil_print_crypto(wil, &sme->crypto); |
| } |
| |
| static int wil_cfg80211_connect(struct wiphy *wiphy, |
| struct net_device *ndev, |
| struct cfg80211_connect_params *sme) |
| { |
| struct wil6210_priv *wil = wiphy_to_wil(wiphy); |
| struct cfg80211_bss *bss; |
| struct wmi_connect_cmd conn; |
| const u8 *ssid_eid; |
| const u8 *rsn_eid; |
| int ch; |
| int rc = 0; |
| enum ieee80211_bss_type bss_type = IEEE80211_BSS_TYPE_ESS; |
| |
| wil_dbg_misc(wil, "connect\n"); |
| wil_print_connect_params(wil, sme); |
| |
| if (test_bit(wil_status_fwconnecting, wil->status) || |
| test_bit(wil_status_fwconnected, wil->status)) |
| return -EALREADY; |
| |
| if (sme->ie_len > WMI_MAX_IE_LEN) { |
| wil_err(wil, "IE too large (%td bytes)\n", sme->ie_len); |
| return -ERANGE; |
| } |
| |
| rsn_eid = sme->ie ? |
| cfg80211_find_ie(WLAN_EID_RSN, sme->ie, sme->ie_len) : |
| NULL; |
| if (sme->privacy && !rsn_eid) |
| wil_info(wil, "WSC connection\n"); |
| |
| if (sme->pbss) |
| bss_type = IEEE80211_BSS_TYPE_PBSS; |
| |
| bss = cfg80211_get_bss(wiphy, sme->channel, sme->bssid, |
| sme->ssid, sme->ssid_len, |
| bss_type, IEEE80211_PRIVACY_ANY); |
| if (!bss) { |
| wil_err(wil, "Unable to find BSS\n"); |
| return -ENOENT; |
| } |
| |
| ssid_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SSID); |
| if (!ssid_eid) { |
| wil_err(wil, "No SSID\n"); |
| rc = -ENOENT; |
| goto out; |
| } |
| wil->privacy = sme->privacy; |
| wil->pbss = sme->pbss; |
| |
| if (wil->privacy) { |
| /* For secure assoc, remove old keys */ |
| rc = wmi_del_cipher_key(wil, 0, bss->bssid, |
| WMI_KEY_USE_PAIRWISE); |
| if (rc) { |
| wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(PTK) failed\n"); |
| goto out; |
| } |
| rc = wmi_del_cipher_key(wil, 0, bss->bssid, |
| WMI_KEY_USE_RX_GROUP); |
| if (rc) { |
| wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(GTK) failed\n"); |
| goto out; |
| } |
| } |
| |
| /* WMI_SET_APPIE_CMD. ie may contain rsn info as well as other info |
| * elements. Send it also in case it's empty, to erase previously set |
| * ies in FW. |
| */ |
| rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_REQ, sme->ie_len, sme->ie); |
| if (rc) |
| goto out; |
| |
| /* WMI_CONNECT_CMD */ |
| memset(&conn, 0, sizeof(conn)); |
| switch (bss->capability & WLAN_CAPABILITY_DMG_TYPE_MASK) { |
| case WLAN_CAPABILITY_DMG_TYPE_AP: |
| conn.network_type = WMI_NETTYPE_INFRA; |
| break; |
| case WLAN_CAPABILITY_DMG_TYPE_PBSS: |
| conn.network_type = WMI_NETTYPE_P2P; |
| break; |
| default: |
| wil_err(wil, "Unsupported BSS type, capability= 0x%04x\n", |
| bss->capability); |
| goto out; |
| } |
| if (wil->privacy) { |
| if (rsn_eid) { /* regular secure connection */ |
| conn.dot11_auth_mode = WMI_AUTH11_SHARED; |
| conn.auth_mode = WMI_AUTH_WPA2_PSK; |
| conn.pairwise_crypto_type = WMI_CRYPT_AES_GCMP; |
| conn.pairwise_crypto_len = 16; |
| conn.group_crypto_type = WMI_CRYPT_AES_GCMP; |
| conn.group_crypto_len = 16; |
| } else { /* WSC */ |
| conn.dot11_auth_mode = WMI_AUTH11_WSC; |
| conn.auth_mode = WMI_AUTH_NONE; |
| } |
| } else { /* insecure connection */ |
| conn.dot11_auth_mode = WMI_AUTH11_OPEN; |
| conn.auth_mode = WMI_AUTH_NONE; |
| } |
| |
| conn.ssid_len = min_t(u8, ssid_eid[1], 32); |
| memcpy(conn.ssid, ssid_eid+2, conn.ssid_len); |
| |
| ch = bss->channel->hw_value; |
| if (ch == 0) { |
| wil_err(wil, "BSS at unknown frequency %dMhz\n", |
| bss->channel->center_freq); |
| rc = -EOPNOTSUPP; |
| goto out; |
| } |
| conn.channel = ch - 1; |
| |
| ether_addr_copy(conn.bssid, bss->bssid); |
| ether_addr_copy(conn.dst_mac, bss->bssid); |
| |
| set_bit(wil_status_fwconnecting, wil->status); |
| |
| rc = wmi_send(wil, WMI_CONNECT_CMDID, &conn, sizeof(conn)); |
| if (rc == 0) { |
| netif_carrier_on(ndev); |
| wil6210_bus_request(wil, WIL_MAX_BUS_REQUEST_KBPS); |
| wil->bss = bss; |
| /* Connect can take lots of time */ |
| mod_timer(&wil->connect_timer, |
| jiffies + msecs_to_jiffies(5000)); |
| } else { |
| clear_bit(wil_status_fwconnecting, wil->status); |
| } |
| |
| out: |
| cfg80211_put_bss(wiphy, bss); |
| |
| return rc; |
| } |
| |
| static int wil_cfg80211_disconnect(struct wiphy *wiphy, |
| struct net_device *ndev, |
| u16 reason_code) |
| { |
| int rc; |
| struct wil6210_priv *wil = wiphy_to_wil(wiphy); |
| |
| wil_dbg_misc(wil, "disconnect: reason=%d\n", reason_code); |
| |
| if (!(test_bit(wil_status_fwconnecting, wil->status) || |
| test_bit(wil_status_fwconnected, wil->status))) { |
| wil_err(wil, "Disconnect was called while disconnected\n"); |
| return 0; |
| } |
| |
| wil->locally_generated_disc = true; |
| rc = wmi_call(wil, WMI_DISCONNECT_CMDID, NULL, 0, |
| WMI_DISCONNECT_EVENTID, NULL, 0, |
| WIL6210_DISCONNECT_TO_MS); |
| if (rc) |
| wil_err(wil, "disconnect error %d\n", rc); |
| |
| return rc; |
| } |
| |
| static int wil_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) |
| { |
| struct wil6210_priv *wil = wiphy_to_wil(wiphy); |
| int rc; |
| |
| /* these parameters are explicitly not supported */ |
| if (changed & (WIPHY_PARAM_RETRY_LONG | |
| WIPHY_PARAM_FRAG_THRESHOLD | |
| WIPHY_PARAM_RTS_THRESHOLD)) |
| return -ENOTSUPP; |
| |
| if (changed & WIPHY_PARAM_RETRY_SHORT) { |
| rc = wmi_set_mgmt_retry(wil, wiphy->retry_short); |
| if (rc) |
| return rc; |
| } |
| |
| return 0; |
| } |
| |
| int wil_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, |
| struct cfg80211_mgmt_tx_params *params, |
| u64 *cookie) |
| { |
| const u8 *buf = params->buf; |
| size_t len = params->len; |
| struct wil6210_priv *wil = wiphy_to_wil(wiphy); |
| int rc; |
| bool tx_status = false; |
| struct ieee80211_mgmt *mgmt_frame = (void *)buf; |
| struct wmi_sw_tx_req_cmd *cmd; |
| struct { |
| struct wmi_cmd_hdr wmi; |
| struct wmi_sw_tx_complete_event evt; |
| } __packed evt; |
| |
| /* Note, currently we do not support the "wait" parameter, user-space |
| * must call remain_on_channel before mgmt_tx or listen on a channel |
| * another way (AP/PCP or connected station) |
| * in addition we need to check if specified "chan" argument is |
| * different from currently "listened" channel and fail if it is. |
| */ |
| |
| wil_dbg_misc(wil, "mgmt_tx\n"); |
| wil_hex_dump_misc("mgmt tx frame ", DUMP_PREFIX_OFFSET, 16, 1, buf, |
| len, true); |
| |
| if (len < sizeof(struct ieee80211_hdr_3addr)) |
| return -EINVAL; |
| |
| cmd = kmalloc(sizeof(*cmd) + len, GFP_KERNEL); |
| if (!cmd) { |
| rc = -ENOMEM; |
| goto out; |
| } |
| |
| memcpy(cmd->dst_mac, mgmt_frame->da, WMI_MAC_LEN); |
| cmd->len = cpu_to_le16(len); |
| memcpy(cmd->payload, buf, len); |
| |
| rc = wmi_call(wil, WMI_SW_TX_REQ_CMDID, cmd, sizeof(*cmd) + len, |
| WMI_SW_TX_COMPLETE_EVENTID, &evt, sizeof(evt), 2000); |
| if (rc == 0) |
| tx_status = !evt.evt.status; |
| |
| kfree(cmd); |
| out: |
| cfg80211_mgmt_tx_status(wdev, cookie ? *cookie : 0, buf, len, |
| tx_status, GFP_KERNEL); |
| return rc; |
| } |
| |
| static int wil_cfg80211_set_channel(struct wiphy *wiphy, |
| struct cfg80211_chan_def *chandef) |
| { |
| struct wil6210_priv *wil = wiphy_to_wil(wiphy); |
| struct wireless_dev *wdev = wil_to_wdev(wil); |
| |
| wdev->preset_chandef = *chandef; |
| |
| return 0; |
| } |
| |
| static enum wmi_key_usage wil_detect_key_usage(struct wil6210_priv *wil, |
| bool pairwise) |
| { |
| struct wireless_dev *wdev = wil_to_wdev(wil); |
| enum wmi_key_usage rc; |
| |
| if (pairwise) { |
| rc = WMI_KEY_USE_PAIRWISE; |
| } else { |
| switch (wdev->iftype) { |
| case NL80211_IFTYPE_STATION: |
| case NL80211_IFTYPE_P2P_CLIENT: |
| rc = WMI_KEY_USE_RX_GROUP; |
| break; |
| case NL80211_IFTYPE_AP: |
| case NL80211_IFTYPE_P2P_GO: |
| rc = WMI_KEY_USE_TX_GROUP; |
| break; |
| default: |
| /* TODO: Rx GTK or Tx GTK? */ |
| wil_err(wil, "Can't determine GTK type\n"); |
| rc = WMI_KEY_USE_RX_GROUP; |
| break; |
| } |
| } |
| wil_dbg_misc(wil, "detect_key_usage: -> %s\n", key_usage_str[rc]); |
| |
| return rc; |
| } |
| |
| static struct wil_sta_info * |
| wil_find_sta_by_key_usage(struct wil6210_priv *wil, |
| enum wmi_key_usage key_usage, const u8 *mac_addr) |
| { |
| int cid = -EINVAL; |
| |
| if (key_usage == WMI_KEY_USE_TX_GROUP) |
| return NULL; /* not needed */ |
| |
| /* supplicant provides Rx group key in STA mode with NULL MAC address */ |
| if (mac_addr) |
| cid = wil_find_cid(wil, mac_addr); |
| else if (key_usage == WMI_KEY_USE_RX_GROUP) |
| cid = wil_find_cid_by_idx(wil, 0); |
| if (cid < 0) { |
| wil_err(wil, "No CID for %pM %s\n", mac_addr, |
| key_usage_str[key_usage]); |
| return ERR_PTR(cid); |
| } |
| |
| return &wil->sta[cid]; |
| } |
| |
| static void wil_set_crypto_rx(u8 key_index, enum wmi_key_usage key_usage, |
| struct wil_sta_info *cs, |
| struct key_params *params) |
| { |
| struct wil_tid_crypto_rx_single *cc; |
| int tid; |
| |
| if (!cs) |
| return; |
| |
| switch (key_usage) { |
| case WMI_KEY_USE_PAIRWISE: |
| for (tid = 0; tid < WIL_STA_TID_NUM; tid++) { |
| cc = &cs->tid_crypto_rx[tid].key_id[key_index]; |
| if (params->seq) |
| memcpy(cc->pn, params->seq, |
| IEEE80211_GCMP_PN_LEN); |
| else |
| memset(cc->pn, 0, IEEE80211_GCMP_PN_LEN); |
| cc->key_set = true; |
| } |
| break; |
| case WMI_KEY_USE_RX_GROUP: |
| cc = &cs->group_crypto_rx.key_id[key_index]; |
| if (params->seq) |
| memcpy(cc->pn, params->seq, IEEE80211_GCMP_PN_LEN); |
| else |
| memset(cc->pn, 0, IEEE80211_GCMP_PN_LEN); |
| cc->key_set = true; |
| break; |
| default: |
| break; |
| } |
| } |
| |
| static void wil_del_rx_key(u8 key_index, enum wmi_key_usage key_usage, |
| struct wil_sta_info *cs) |
| { |
| struct wil_tid_crypto_rx_single *cc; |
| int tid; |
| |
| if (!cs) |
| return; |
| |
| switch (key_usage) { |
| case WMI_KEY_USE_PAIRWISE: |
| for (tid = 0; tid < WIL_STA_TID_NUM; tid++) { |
| cc = &cs->tid_crypto_rx[tid].key_id[key_index]; |
| cc->key_set = false; |
| } |
| break; |
| case WMI_KEY_USE_RX_GROUP: |
| cc = &cs->group_crypto_rx.key_id[key_index]; |
| cc->key_set = false; |
| break; |
| default: |
| break; |
| } |
| } |
| |
| static int wil_cfg80211_add_key(struct wiphy *wiphy, |
| struct net_device *ndev, |
| u8 key_index, bool pairwise, |
| const u8 *mac_addr, |
| struct key_params *params) |
| { |
| int rc; |
| struct wil6210_priv *wil = wiphy_to_wil(wiphy); |
| enum wmi_key_usage key_usage = wil_detect_key_usage(wil, pairwise); |
| struct wil_sta_info *cs = wil_find_sta_by_key_usage(wil, key_usage, |
| mac_addr); |
| |
| if (!params) { |
| wil_err(wil, "NULL params\n"); |
| return -EINVAL; |
| } |
| |
| wil_dbg_misc(wil, "add_key: %pM %s[%d] PN %*phN\n", |
| mac_addr, key_usage_str[key_usage], key_index, |
| params->seq_len, params->seq); |
| |
| if (IS_ERR(cs)) { |
| wil_err(wil, "Not connected, %pM %s[%d] PN %*phN\n", |
| mac_addr, key_usage_str[key_usage], key_index, |
| params->seq_len, params->seq); |
| return -EINVAL; |
| } |
| |
| wil_del_rx_key(key_index, key_usage, cs); |
| |
| if (params->seq && params->seq_len != IEEE80211_GCMP_PN_LEN) { |
| wil_err(wil, |
| "Wrong PN len %d, %pM %s[%d] PN %*phN\n", |
| params->seq_len, mac_addr, |
| key_usage_str[key_usage], key_index, |
| params->seq_len, params->seq); |
| return -EINVAL; |
| } |
| |
| rc = wmi_add_cipher_key(wil, key_index, mac_addr, params->key_len, |
| params->key, key_usage); |
| if (!rc) |
| wil_set_crypto_rx(key_index, key_usage, cs, params); |
| |
| return rc; |
| } |
| |
| static int wil_cfg80211_del_key(struct wiphy *wiphy, |
| struct net_device *ndev, |
| u8 key_index, bool pairwise, |
| const u8 *mac_addr) |
| { |
| struct wil6210_priv *wil = wiphy_to_wil(wiphy); |
| enum wmi_key_usage key_usage = wil_detect_key_usage(wil, pairwise); |
| struct wil_sta_info *cs = wil_find_sta_by_key_usage(wil, key_usage, |
| mac_addr); |
| |
| wil_dbg_misc(wil, "del_key: %pM %s[%d]\n", mac_addr, |
| key_usage_str[key_usage], key_index); |
| |
| if (IS_ERR(cs)) |
| wil_info(wil, "Not connected, %pM %s[%d]\n", |
| mac_addr, key_usage_str[key_usage], key_index); |
| |
| if (!IS_ERR_OR_NULL(cs)) |
| wil_del_rx_key(key_index, key_usage, cs); |
| |
| return wmi_del_cipher_key(wil, key_index, mac_addr, key_usage); |
| } |
| |
| /* Need to be present or wiphy_new() will WARN */ |
| static int wil_cfg80211_set_default_key(struct wiphy *wiphy, |
| struct net_device *ndev, |
| u8 key_index, bool unicast, |
| bool multicast) |
| { |
| struct wil6210_priv *wil = wiphy_to_wil(wiphy); |
| |
| wil_dbg_misc(wil, "set_default_key: entered\n"); |
| return 0; |
| } |
| |
| static int wil_remain_on_channel(struct wiphy *wiphy, |
| struct wireless_dev *wdev, |
| struct ieee80211_channel *chan, |
| unsigned int duration, |
| u64 *cookie) |
| { |
| struct wil6210_priv *wil = wiphy_to_wil(wiphy); |
| int rc; |
| |
| wil_dbg_misc(wil, |
| "remain_on_channel: center_freq=%d, duration=%d iftype=%d\n", |
| chan->center_freq, duration, wdev->iftype); |
| |
| rc = wil_p2p_listen(wil, wdev, duration, chan, cookie); |
| return rc; |
| } |
| |
| static int wil_cancel_remain_on_channel(struct wiphy *wiphy, |
| struct wireless_dev *wdev, |
| u64 cookie) |
| { |
| struct wil6210_priv *wil = wiphy_to_wil(wiphy); |
| |
| wil_dbg_misc(wil, "cancel_remain_on_channel\n"); |
| |
| return wil_p2p_cancel_listen(wil, cookie); |
| } |
| |
| /** |
| * find a specific IE in a list of IEs |
| * return a pointer to the beginning of IE in the list |
| * or NULL if not found |
| */ |
| static const u8 *_wil_cfg80211_find_ie(const u8 *ies, u16 ies_len, const u8 *ie, |
| u16 ie_len) |
| { |
| struct ieee80211_vendor_ie *vie; |
| u32 oui; |
| |
| /* IE tag at offset 0, length at offset 1 */ |
| if (ie_len < 2 || 2 + ie[1] > ie_len) |
| return NULL; |
| |
| if (ie[0] != WLAN_EID_VENDOR_SPECIFIC) |
| return cfg80211_find_ie(ie[0], ies, ies_len); |
| |
| /* make sure there is room for 3 bytes OUI + 1 byte OUI type */ |
| if (ie[1] < 4) |
| return NULL; |
| vie = (struct ieee80211_vendor_ie *)ie; |
| oui = vie->oui[0] << 16 | vie->oui[1] << 8 | vie->oui[2]; |
| return cfg80211_find_vendor_ie(oui, vie->oui_type, ies, |
| ies_len); |
| } |
| |
| /** |
| * merge the IEs in two lists into a single list. |
| * do not include IEs from the second list which exist in the first list. |
| * add only vendor specific IEs from second list to keep |
| * the merged list sorted (since vendor-specific IE has the |
| * highest tag number) |
| * caller must free the allocated memory for merged IEs |
| */ |
| static int _wil_cfg80211_merge_extra_ies(const u8 *ies1, u16 ies1_len, |
| const u8 *ies2, u16 ies2_len, |
| u8 **merged_ies, u16 *merged_len) |
| { |
| u8 *buf, *dpos; |
| const u8 *spos; |
| |
| if (!ies1) |
| 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 int _wil_cfg80211_set_ies(struct wiphy *wiphy, |
| struct cfg80211_beacon_data *bcon) |
| { |
| int rc; |
| struct wil6210_priv *wil = wiphy_to_wil(wiphy); |
| u16 len = 0, proberesp_len = 0; |
| u8 *ies = NULL, *proberesp = NULL; |
| |
| if (bcon->probe_resp) { |
| struct ieee80211_mgmt *f = |
| (struct ieee80211_mgmt *)bcon->probe_resp; |
| size_t hlen = offsetof(struct ieee80211_mgmt, |
| u.probe_resp.variable); |
| proberesp = f->u.probe_resp.variable; |
| proberesp_len = bcon->probe_resp_len - hlen; |
| } |
| rc = _wil_cfg80211_merge_extra_ies(proberesp, |
| proberesp_len, |
| bcon->proberesp_ies, |
| bcon->proberesp_ies_len, |
| &ies, &len); |
| |
| if (rc) |
| goto out; |
| |
| rc = wmi_set_ie(wil, WMI_FRAME_PROBE_RESP, len, ies); |
| if (rc) |
| goto out; |
| |
| if (bcon->assocresp_ies) |
| rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_RESP, |
| bcon->assocresp_ies_len, bcon->assocresp_ies); |
| else |
| rc = wmi_set_ie(wil, WMI_FRAME_ASSOC_RESP, len, ies); |
| #if 0 /* to use beacon IE's, remove this #if 0 */ |
| if (rc) |
| goto out; |
| |
| rc = wmi_set_ie(wil, WMI_FRAME_BEACON, bcon->tail_len, bcon->tail); |
| #endif |
| out: |
| kfree(ies); |
| return rc; |
| } |
| |
| static int _wil_cfg80211_start_ap(struct wiphy *wiphy, |
| struct net_device *ndev, |
| const u8 *ssid, size_t ssid_len, u32 privacy, |
| int bi, u8 chan, |
| struct cfg80211_beacon_data *bcon, |
| u8 hidden_ssid, u32 pbss) |
| { |
| struct wil6210_priv *wil = wiphy_to_wil(wiphy); |
| int rc; |
| struct wireless_dev *wdev = ndev->ieee80211_ptr; |
| u8 wmi_nettype = wil_iftype_nl2wmi(wdev->iftype); |
| u8 is_go = (wdev->iftype == NL80211_IFTYPE_P2P_GO); |
| |
| if (pbss) |
| wmi_nettype = WMI_NETTYPE_P2P; |
| |
| wil_dbg_misc(wil, "start_ap: is_go=%d\n", is_go); |
| if (is_go && !pbss) { |
| wil_err(wil, "P2P GO must be in PBSS\n"); |
| return -ENOTSUPP; |
| } |
| |
| wil_set_recovery_state(wil, fw_recovery_idle); |
| |
| mutex_lock(&wil->mutex); |
| |
| __wil_down(wil); |
| rc = __wil_up(wil); |
| if (rc) |
| goto out; |
| |
| rc = wmi_set_ssid(wil, ssid_len, ssid); |
| if (rc) |
| goto out; |
| |
| rc = _wil_cfg80211_set_ies(wiphy, bcon); |
| if (rc) |
| goto out; |
| |
| wil->privacy = privacy; |
| wil->channel = chan; |
| wil->hidden_ssid = hidden_ssid; |
| wil->pbss = pbss; |
| |
| netif_carrier_on(ndev); |
| wil6210_bus_request(wil, WIL_MAX_BUS_REQUEST_KBPS); |
| |
| 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); |
| wil6210_bus_request(wil, WIL_DEFAULT_BUS_REQUEST_KBPS); |
| out: |
| mutex_unlock(&wil->mutex); |
| return rc; |
| } |
| |
| static int wil_cfg80211_change_beacon(struct wiphy *wiphy, |
| struct net_device *ndev, |
| struct cfg80211_beacon_data *bcon) |
| { |
| struct wil6210_priv *wil = wiphy_to_wil(wiphy); |
| int rc; |
| u32 privacy = 0; |
| |
| wil_dbg_misc(wil, "change_beacon\n"); |
| wil_print_bcon_data(bcon); |
| |
| if (bcon->tail && |
| cfg80211_find_ie(WLAN_EID_RSN, bcon->tail, |
| bcon->tail_len)) |
| privacy = 1; |
| |
| /* in case privacy has changed, need to restart the AP */ |
| if (wil->privacy != privacy) { |
| struct wireless_dev *wdev = ndev->ieee80211_ptr; |
| |
| wil_dbg_misc(wil, "privacy changed %d=>%d. Restarting AP\n", |
| wil->privacy, privacy); |
| |
| rc = _wil_cfg80211_start_ap(wiphy, ndev, wdev->ssid, |
| wdev->ssid_len, privacy, |
| wdev->beacon_interval, |
| wil->channel, bcon, |
| wil->hidden_ssid, |
| wil->pbss); |
| } else { |
| rc = _wil_cfg80211_set_ies(wiphy, bcon); |
| } |
| |
| return rc; |
| } |
| |
| static int wil_cfg80211_start_ap(struct wiphy *wiphy, |
| struct net_device *ndev, |
| struct cfg80211_ap_settings *info) |
| { |
| int rc; |
| struct wil6210_priv *wil = wiphy_to_wil(wiphy); |
| struct ieee80211_channel *channel = info->chandef.chan; |
| struct cfg80211_beacon_data *bcon = &info->beacon; |
| struct cfg80211_crypto_settings *crypto = &info->crypto; |
| u8 hidden_ssid; |
| |
| wil_dbg_misc(wil, "start_ap\n"); |
| |
| if (!channel) { |
| wil_err(wil, "AP: No channel???\n"); |
| return -EINVAL; |
| } |
| |
| switch (info->hidden_ssid) { |
| case NL80211_HIDDEN_SSID_NOT_IN_USE: |
| hidden_ssid = WMI_HIDDEN_SSID_DISABLED; |
| break; |
| |
| case NL80211_HIDDEN_SSID_ZERO_LEN: |
| hidden_ssid = WMI_HIDDEN_SSID_SEND_EMPTY; |
| break; |
| |
| case NL80211_HIDDEN_SSID_ZERO_CONTENTS: |
| hidden_ssid = WMI_HIDDEN_SSID_CLEAR; |
| break; |
| |
| default: |
| wil_err(wil, "AP: Invalid hidden SSID %d\n", info->hidden_ssid); |
| return -EOPNOTSUPP; |
| } |
| wil_dbg_misc(wil, "AP on Channel %d %d MHz, %s\n", channel->hw_value, |
| channel->center_freq, info->privacy ? "secure" : "open"); |
| wil_dbg_misc(wil, "Privacy: %d auth_type %d\n", |
| info->privacy, info->auth_type); |
| wil_dbg_misc(wil, "Hidden SSID mode: %d\n", |
| info->hidden_ssid); |
| wil_dbg_misc(wil, "BI %d DTIM %d\n", info->beacon_interval, |
| info->dtim_period); |
| wil_dbg_misc(wil, "PBSS %d\n", info->pbss); |
| 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); |
| |
| wil_dbg_misc(wil, "stop_ap\n"); |
| |
| netif_carrier_off(ndev); |
| 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(wil); |
| |
| __wil_down(wil); |
| |
| mutex_unlock(&wil->mutex); |
| |
| return 0; |
| } |
| |
| static int wil_cfg80211_add_station(struct wiphy *wiphy, |
| struct net_device *dev, |
| const u8 *mac, |
| struct station_parameters *params) |
| { |
| struct wil6210_priv *wil = wiphy_to_wil(wiphy); |
| |
| wil_dbg_misc(wil, "add station %pM aid %d\n", mac, params->aid); |
| |
| if (!disable_ap_sme) { |
| wil_err(wil, "not supported with AP SME enabled\n"); |
| return -EOPNOTSUPP; |
| } |
| |
| if (params->aid > WIL_MAX_DMG_AID) { |
| wil_err(wil, "invalid aid\n"); |
| return -EINVAL; |
| } |
| |
| return wmi_new_sta(wil, mac, params->aid); |
| } |
| |
| static int wil_cfg80211_del_station(struct wiphy *wiphy, |
| struct net_device *dev, |
| struct station_del_parameters *params) |
| { |
| struct wil6210_priv *wil = wiphy_to_wil(wiphy); |
| |
| wil_dbg_misc(wil, "del_station: %pM, reason=%d\n", params->mac, |
| params->reason_code); |
| |
| mutex_lock(&wil->mutex); |
| wil6210_disconnect(wil, params->mac, params->reason_code, false); |
| mutex_unlock(&wil->mutex); |
| |
| return 0; |
| } |
| |
| static int wil_cfg80211_change_station(struct wiphy *wiphy, |
| struct net_device *dev, |
| const u8 *mac, |
| struct station_parameters *params) |
| { |
| struct wil6210_priv *wil = wiphy_to_wil(wiphy); |
| int authorize; |
| int cid, i; |
| struct vring_tx_data *txdata = NULL; |
| |
| wil_dbg_misc(wil, "change station %pM mask 0x%x set 0x%x\n", mac, |
| params->sta_flags_mask, params->sta_flags_set); |
| |
| if (!disable_ap_sme) { |
| wil_dbg_misc(wil, "not supported with AP SME enabled\n"); |
| return -EOPNOTSUPP; |
| } |
| |
| if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))) |
| return 0; |
| |
| cid = wil_find_cid(wil, mac); |
| if (cid < 0) { |
| wil_err(wil, "station not found\n"); |
| return -ENOLINK; |
| } |
| |
| for (i = 0; i < ARRAY_SIZE(wil->vring2cid_tid); i++) |
| if (wil->vring2cid_tid[i][0] == cid) { |
| txdata = &wil->vring_tx_data[i]; |
| break; |
| } |
| |
| if (!txdata) { |
| wil_err(wil, "vring data not found\n"); |
| return -ENOLINK; |
| } |
| |
| authorize = params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED); |
| txdata->dot1x_open = authorize ? 1 : 0; |
| wil_dbg_misc(wil, "cid %d vring %d authorize %d\n", cid, i, |
| txdata->dot1x_open); |
| |
| return 0; |
| } |
| |
| /* probe_client handling */ |
| static void wil_probe_client_handle(struct wil6210_priv *wil, |
| struct wil_probe_client_req *req) |
| { |
| struct net_device *ndev = wil_to_ndev(wil); |
| struct wil_sta_info *sta = &wil->sta[req->cid]; |
| /* assume STA is alive if it is still connected, |
| * else FW will disconnect it |
| */ |
| bool alive = (sta->status == wil_sta_connected); |
| |
| cfg80211_probe_status(ndev, sta->addr, req->cookie, alive, GFP_KERNEL); |
| } |
| |
| static struct list_head *next_probe_client(struct wil6210_priv *wil) |
| { |
| struct list_head *ret = NULL; |
| |
| mutex_lock(&wil->probe_client_mutex); |
| |
| if (!list_empty(&wil->probe_client_pending)) { |
| ret = wil->probe_client_pending.next; |
| list_del(ret); |
| } |
| |
| mutex_unlock(&wil->probe_client_mutex); |
| |
| return ret; |
| } |
| |
| void wil_probe_client_worker(struct work_struct *work) |
| { |
| struct wil6210_priv *wil = container_of(work, struct wil6210_priv, |
| probe_client_worker); |
| struct wil_probe_client_req *req; |
| struct list_head *lh; |
| |
| while ((lh = next_probe_client(wil)) != NULL) { |
| req = list_entry(lh, struct wil_probe_client_req, list); |
| |
| wil_probe_client_handle(wil, req); |
| kfree(req); |
| } |
| } |
| |
| void wil_probe_client_flush(struct wil6210_priv *wil) |
| { |
| struct wil_probe_client_req *req, *t; |
| |
| wil_dbg_misc(wil, "probe_client_flush\n"); |
| |
| mutex_lock(&wil->probe_client_mutex); |
| |
| list_for_each_entry_safe(req, t, &wil->probe_client_pending, list) { |
| list_del(&req->list); |
| kfree(req); |
| } |
| |
| mutex_unlock(&wil->probe_client_mutex); |
| } |
| |
| static int wil_cfg80211_probe_client(struct wiphy *wiphy, |
| struct net_device *dev, |
| const u8 *peer, u64 *cookie) |
| { |
| struct wil6210_priv *wil = wiphy_to_wil(wiphy); |
| struct wil_probe_client_req *req; |
| int cid = wil_find_cid(wil, peer); |
| |
| wil_dbg_misc(wil, "probe_client: %pM => CID %d\n", peer, cid); |
| |
| if (cid < 0) |
| return -ENOLINK; |
| |
| req = kzalloc(sizeof(*req), GFP_KERNEL); |
| if (!req) |
| return -ENOMEM; |
| |
| req->cid = cid; |
| req->cookie = cid; |
| |
| mutex_lock(&wil->probe_client_mutex); |
| list_add_tail(&req->list, &wil->probe_client_pending); |
| mutex_unlock(&wil->probe_client_mutex); |
| |
| *cookie = req->cookie; |
| queue_work(wil->wq_service, &wil->probe_client_worker); |
| return 0; |
| } |
| |
| static int wil_cfg80211_change_bss(struct wiphy *wiphy, |
| struct net_device *dev, |
| struct bss_parameters *params) |
| { |
| struct wil6210_priv *wil = wiphy_to_wil(wiphy); |
| |
| if (params->ap_isolate >= 0) { |
| wil_dbg_misc(wil, "change_bss: ap_isolate %d => %d\n", |
| wil->ap_isolate, params->ap_isolate); |
| wil->ap_isolate = params->ap_isolate; |
| } |
| |
| return 0; |
| } |
| |
| static int wil_cfg80211_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->p2p_wdev_mutex); |
| wil_p2p_stop_radio_operations(wil); |
| wil_abort_scan(wil, true); |
| mutex_unlock(&wil->p2p_wdev_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 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, |
| }; |
| |
| 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 |
| } |
| |
| struct wireless_dev *wil_cfg80211_init(struct device *dev) |
| { |
| int rc = 0; |
| struct wireless_dev *wdev; |
| |
| dev_dbg(dev, "%s()\n", __func__); |
| |
| wdev = kzalloc(sizeof(*wdev), GFP_KERNEL); |
| if (!wdev) |
| return ERR_PTR(-ENOMEM); |
| |
| wdev->wiphy = wiphy_new(&wil_cfg80211_ops, |
| sizeof(struct wil6210_priv)); |
| if (!wdev->wiphy) { |
| rc = -ENOMEM; |
| goto out; |
| } |
| |
| set_wiphy_dev(wdev->wiphy, dev); |
| wil_wiphy_init(wdev->wiphy); |
| |
| return wdev; |
| |
| out: |
| kfree(wdev); |
| |
| return ERR_PTR(rc); |
| } |
| |
| void wil_wdev_free(struct wil6210_priv *wil) |
| { |
| struct wireless_dev *wdev = wil_to_wdev(wil); |
| |
| dev_dbg(wil_to_dev(wil), "%s()\n", __func__); |
| |
| if (!wdev) |
| return; |
| |
| wiphy_free(wdev->wiphy); |
| kfree(wdev); |
| } |
| |
| void wil_p2p_wdev_free(struct wil6210_priv *wil) |
| { |
| struct wireless_dev *p2p_wdev; |
| |
| mutex_lock(&wil->p2p_wdev_mutex); |
| p2p_wdev = wil->p2p_wdev; |
| wil->p2p_wdev = NULL; |
| wil->radio_wdev = wil_to_wdev(wil); |
| mutex_unlock(&wil->p2p_wdev_mutex); |
| if (p2p_wdev) { |
| cfg80211_unregister_wdev(p2p_wdev); |
| kfree(p2p_wdev); |
| } |
| } |
| |
| 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); |
| 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; |
| 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; |
| memset(&reply, 0, sizeof(reply)); |
| rc = wmi_call(wil, WMI_GET_RF_SECTOR_PARAMS_CMDID, &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); |
| 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; |
| 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; |
| memset(&reply, 0, sizeof(reply)); |
| rc = wmi_call(wil, WMI_SET_RF_SECTOR_PARAMS_CMDID, &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); |
| 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; |
| 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, mac_addr); |
| if (cid < 0) { |
| wil_err(wil, "invalid MAC address %pM\n", mac_addr); |
| return -ENOENT; |
| } |
| } else { |
| if (test_bit(wil_status_fwconnected, wil->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; |
| memset(&reply, 0, sizeof(reply)); |
| rc = wmi_call(wil, WMI_GET_SELECTED_RF_SECTOR_INDEX_CMDID, |
| &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, |
| 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; |
| int rc; |
| |
| memset(&cmd, 0, sizeof(cmd)); |
| cmd.sector_idx = cpu_to_le16(sector_index); |
| cmd.sector_type = sector_type; |
| cmd.cid = (u8)cid; |
| memset(&reply, 0, sizeof(reply)); |
| rc = wmi_call(wil, WMI_SET_SELECTED_RF_SECTOR_INDEX_CMDID, |
| &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); |
| 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, 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_status_fwconnected, wil->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, sector_index, |
| sector_type, cid); |
| } else { |
| /* unlock all cids */ |
| rc = wil_rf_sector_wmi_set_selected( |
| wil, WMI_INVALID_RF_SECTOR_INDEX, sector_type, |
| WIL_CID_ALL); |
| if (rc == -EINVAL) { |
| for (i = 0; i < WIL6210_MAX_CID; i++) { |
| rc = wil_rf_sector_wmi_set_selected( |
| wil, 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; |
| } |