diff options
Diffstat (limited to 'src/wl/sys/wl_cfg80211_hybrid.c')
| -rw-r--r-- | src/wl/sys/wl_cfg80211_hybrid.c | 3022 |
1 files changed, 3022 insertions, 0 deletions
diff --git a/src/wl/sys/wl_cfg80211_hybrid.c b/src/wl/sys/wl_cfg80211_hybrid.c new file mode 100644 index 0000000..7b606e0 --- /dev/null +++ b/src/wl/sys/wl_cfg80211_hybrid.c @@ -0,0 +1,3022 @@ +/* + * Linux-specific portion of Broadcom 802.11abg Networking Device Driver + * cfg80211 interface + * + * Copyright (C) 2015, Broadcom Corporation. 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. + * + * $Id: wl_cfg80211.c,v 1.1.6.4 2011-02-11 00:22:09 $ + */ + +#if defined(USE_CFG80211) + +#define LINUX_PORT +#include <typedefs.h> +#include <linuxver.h> +#include <osl.h> + +#include <linux/kernel.h> +#include <linux/kthread.h> +#include <linux/netdevice.h> +#include <linux/ieee80211.h> +#include <net/cfg80211.h> +#include <linux/nl80211.h> +#include <net/rtnetlink.h> +#include <bcmutils.h> +#include <bcmendian.h> +#include <wlioctl.h> +#include <proto/802.11.h> +#include <wl_cfg80211_hybrid.h> + +#define EVENT_TYPE(e) dtoh32((e)->event_type) +#define EVENT_FLAGS(e) dtoh16((e)->flags) +#define EVENT_STATUS(e) dtoh32((e)->status) + +#ifdef BCMDBG +u32 wl_dbg_level = WL_DBG_ERR | WL_DBG_INFO; +#else +u32 wl_dbg_level = WL_DBG_ERR; +#endif + +static s32 wl_cfg80211_change_iface(struct wiphy *wiphy, struct net_device *ndev, + enum nl80211_iftype type, u32 *flags, struct vif_params *params); +#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0) +static s32 +wl_cfg80211_scan(struct wiphy *wiphy, + struct cfg80211_scan_request *request); +#else +static s32 wl_cfg80211_scan(struct wiphy *wiphy, struct net_device *ndev, + struct cfg80211_scan_request *request); +#endif +static s32 wl_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed); +static s32 wl_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, + struct cfg80211_ibss_params *params); +static s32 wl_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev); + +#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 16, 0) +static s32 wl_cfg80211_get_station(struct wiphy *wiphy, + struct net_device *dev, u8 *mac, struct station_info *sinfo); +#else +static s32 wl_cfg80211_get_station(struct wiphy *wiphy, + struct net_device *dev, const u8 *mac, struct station_info *sinfo); +#endif + +static s32 wl_cfg80211_set_power_mgmt(struct wiphy *wiphy, + struct net_device *dev, bool enabled, s32 timeout); +static int wl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, + struct cfg80211_connect_params *sme); +static s32 wl_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev, u16 reason_code); + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 8, 0) +static s32 +wl_cfg80211_set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev, + enum nl80211_tx_power_setting type, s32 dbm); +#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 36) +static s32 wl_cfg80211_set_tx_power(struct wiphy *wiphy, + enum nl80211_tx_power_setting type, s32 dbm); +#else +static s32 wl_cfg80211_set_tx_power(struct wiphy *wiphy, + enum tx_power_setting type, s32 dbm); +#endif + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 8, 0) +static s32 wl_cfg80211_get_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev, s32 *dbm); +#else +static s32 wl_cfg80211_get_tx_power(struct wiphy *wiphy, s32 *dbm); +#endif + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 38) +static s32 wl_cfg80211_config_default_key(struct wiphy *wiphy, + struct net_device *dev, u8 key_idx, bool unicast, bool multicast); +#else +static s32 wl_cfg80211_config_default_key(struct wiphy *wiphy, + struct net_device *dev, u8 key_idx); +#endif +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37) +static s32 wl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *dev, + u8 key_idx, bool pairwise, const u8 *mac_addr, struct key_params *params); +static s32 wl_cfg80211_del_key(struct wiphy *wiphy, struct net_device *dev, + u8 key_idx, bool pairwise, const u8 *mac_addr); +static s32 wl_cfg80211_get_key(struct wiphy *wiphy, struct net_device *dev, + u8 key_idx, bool pairwise, const u8 *mac_addr, + void *cookie, void (*callback) (void *cookie, struct key_params *params)); +#else +static s32 wl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *dev, + u8 key_idx, const u8 *mac_addr, struct key_params *params); +static s32 wl_cfg80211_del_key(struct wiphy *wiphy, struct net_device *dev, + u8 key_idx, const u8 *mac_addr); +static s32 wl_cfg80211_get_key(struct wiphy *wiphy, struct net_device *dev, + u8 key_idx, const u8 *mac_addr, + void *cookie, void (*callback) (void *cookie, struct key_params *params)); +#endif + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 33) +static s32 wl_cfg80211_set_pmksa(struct wiphy *wiphy, struct net_device *dev, + struct cfg80211_pmksa *pmksa); +static s32 wl_cfg80211_del_pmksa(struct wiphy *wiphy, struct net_device *dev, + struct cfg80211_pmksa *pmksa); +static s32 wl_cfg80211_flush_pmksa(struct wiphy *wiphy, struct net_device *dev); +#endif + +static s32 wl_create_event_handler(struct wl_cfg80211_priv *wl); +static void wl_destroy_event_handler(struct wl_cfg80211_priv *wl); +static s32 wl_event_handler(void *data); +static void wl_init_eq(struct wl_cfg80211_priv *wl); +static void wl_flush_eq(struct wl_cfg80211_priv *wl); +static void wl_lock_eq(struct wl_cfg80211_priv *wl); +static void wl_unlock_eq(struct wl_cfg80211_priv *wl); +static void wl_init_eq_lock(struct wl_cfg80211_priv *wl); +static void wl_init_eloop_handler(struct wl_cfg80211_event_loop *el); +static struct wl_cfg80211_event_q *wl_deq_event(struct wl_cfg80211_priv *wl); +static s32 wl_enq_event(struct wl_cfg80211_priv *wl, u32 type, + const wl_event_msg_t *msg, void *data); +static void wl_put_event(struct wl_cfg80211_event_q *e); +static void wl_wakeup_event(struct wl_cfg80211_priv *wl); + +static s32 wl_notify_connect_status(struct wl_cfg80211_priv *wl, struct net_device *ndev, + const wl_event_msg_t *e, void *data); +static s32 wl_notify_roaming_status(struct wl_cfg80211_priv *wl, struct net_device *ndev, + const wl_event_msg_t *e, void *data); +static s32 wl_notify_scan_status(struct wl_cfg80211_priv *wl, struct net_device *ndev, + const wl_event_msg_t *e, void *data); +static s32 wl_bss_connect_done(struct wl_cfg80211_priv *wl, struct net_device *ndev, + const wl_event_msg_t *e, void *data, bool completed); +static s32 wl_bss_roaming_done(struct wl_cfg80211_priv *wl, struct net_device *ndev, + const wl_event_msg_t *e, void *data); +static s32 wl_notify_mic_status(struct wl_cfg80211_priv *wl, struct net_device *ndev, + const wl_event_msg_t *e, void *data); + +static s32 wl_dev_bufvar_get(struct net_device *dev, s8 *name, s8 *buf, s32 buf_len); +static __used s32 wl_dev_bufvar_set(struct net_device *dev, s8 *name, s8 *buf, s32 len); +static s32 wl_dev_intvar_set(struct net_device *dev, s8 *name, s32 val); +static s32 wl_dev_intvar_get(struct net_device *dev, s8 *name, s32 *retval); +static s32 wl_dev_ioctl(struct net_device *dev, u32 cmd, void *arg, u32 len); + +static s32 wl_set_frag(struct net_device *dev, u32 frag_threshold); +static s32 wl_set_rts(struct net_device *dev, u32 frag_threshold); +static s32 wl_set_retry(struct net_device *dev, u32 retry, bool l); + +static void wl_init_prof(struct wl_cfg80211_profile *prof); + +static s32 wl_set_wpa_version(struct net_device *dev, struct cfg80211_connect_params *sme); +static s32 wl_set_auth_type(struct net_device *dev, struct cfg80211_connect_params *sme); +static s32 wl_set_set_cipher(struct net_device *dev, struct cfg80211_connect_params *sme); +static s32 wl_set_key_mgmt(struct net_device *dev, struct cfg80211_connect_params *sme); +static s32 wl_set_set_sharedkey(struct net_device *dev, struct cfg80211_connect_params *sme); +static s32 wl_get_assoc_ies(struct wl_cfg80211_priv *wl); +static void wl_ch_to_chanspec(struct ieee80211_channel *chan, + struct wl_join_params *join_params, size_t *join_params_size); + +static void wl_rst_ie(struct wl_cfg80211_priv *wl); +static __used s32 wl_add_ie(struct wl_cfg80211_priv *wl, u8 t, u8 l, u8 *v); +static s32 wl_mrg_ie(struct wl_cfg80211_priv *wl, u8 *ie_stream, u16 ie_size); +static s32 wl_cp_ie(struct wl_cfg80211_priv *wl, u8 *dst, u16 dst_size); +static u32 wl_get_ielen(struct wl_cfg80211_priv *wl); + +static s32 wl_mode_to_nl80211_iftype(s32 mode); + +static s32 wl_alloc_wdev(struct device *dev, struct wireless_dev **rwdev); +static void wl_free_wdev(struct wl_cfg80211_priv *wl); + +static s32 wl_inform_bss(struct wl_cfg80211_priv *wl, struct wl_scan_results *bss_list); +static s32 wl_inform_single_bss(struct wl_cfg80211_priv *wl, struct wl_bss_info *bi); +static s32 wl_update_bss_info(struct wl_cfg80211_priv *wl); + +static void key_endian_to_device(struct wl_wsec_key *key); +static void key_endian_to_host(struct wl_wsec_key *key); + +static s32 wl_init_priv_mem(struct wl_cfg80211_priv *wl); +static void wl_deinit_priv_mem(struct wl_cfg80211_priv *wl); + +static bool wl_is_ibssmode(struct wl_cfg80211_priv *wl); + +static void wl_link_up(struct wl_cfg80211_priv *wl); +static void wl_link_down(struct wl_cfg80211_priv *wl); +static s32 wl_set_mode(struct net_device *ndev, s32 iftype); + +static void wl_init_conf(struct wl_cfg80211_conf *conf); + +static s32 wl_update_wiphybands(struct wl_cfg80211_priv *wl); + +static __used s32 wl_update_pmklist(struct net_device *dev, + struct wl_cfg80211_pmk_list *pmk_list, s32 err); + +#if defined(WL_DBGMSG_ENABLE) +#define WL_DBG_ESTR_MAX 32 +static s8 wl_dbg_estr[][WL_DBG_ESTR_MAX] = { + "SET_SSID", "JOIN", "START", "AUTH", "AUTH_IND", + "DEAUTH", "DEAUTH_IND", "ASSOC", "ASSOC_IND", "REASSOC", + "REASSOC_IND", "DISASSOC", "DISASSOC_IND", "QUIET_START", "QUIET_END", + "BEACON_RX", "LINK", "MIC_ERROR", "NDIS_LINK", "ROAM", + "TXFAIL", "PMKID_CACHE", "RETROGRADE_TSF", "PRUNE", "AUTOAUTH", + "EAPOL_MSG", "SCAN_COMPLETE", "ADDTS_IND", "DELTS_IND", "BCNSENT_IND", + "BCNRX_MSG", "BCNLOST_MSG", "ROAM_PREP", "PFN_NET_FOUND", + "PFN_NET_LOST", + "RESET_COMPLETE", "JOIN_START", "ROAM_START", "ASSOC_START", + "IBSS_ASSOC", + "RADIO", "PSM_WATCHDOG", + "PROBREQ_MSG", + "SCAN_CONFIRM_IND", "PSK_SUP", "COUNTRY_CODE_CHANGED", + "EXCEEDED_MEDIUM_TIME", "ICV_ERROR", + "UNICAST_DECODE_ERROR", "MULTICAST_DECODE_ERROR", "TRACE", + "IF", + "RSSI", "PFN_SCAN_COMPLETE", "ACTION_FRAME", "ACTION_FRAME_COMPLETE", +}; +#endif + +#define CHAN2G(_channel, _freq, _flags) { \ + .band = IEEE80211_BAND_2GHZ, \ + .center_freq = (_freq), \ + .hw_value = (_channel), \ + .flags = (_flags), \ + .max_antenna_gain = 0, \ + .max_power = 30, \ +} + +#define CHAN5G(_channel, _flags) { \ + .band = IEEE80211_BAND_5GHZ, \ + .center_freq = 5000 + (5 * (_channel)), \ + .hw_value = (_channel), \ + .flags = (_flags), \ + .max_antenna_gain = 0, \ + .max_power = 30, \ +} + +#define RATE_TO_BASE100KBPS(rate) (((rate) * 10) / 2) +#define RATETAB_ENT(_rateid, _flags) \ + { \ + .bitrate = RATE_TO_BASE100KBPS(_rateid), \ + .hw_value = (_rateid), \ + .flags = (_flags), \ + } + +static struct ieee80211_rate __wl_rates[] = { + RATETAB_ENT(DOT11_RATE_1M, 0), + RATETAB_ENT(DOT11_RATE_2M, IEEE80211_RATE_SHORT_PREAMBLE), + RATETAB_ENT(DOT11_RATE_5M5, IEEE80211_RATE_SHORT_PREAMBLE), + RATETAB_ENT(DOT11_RATE_11M, IEEE80211_RATE_SHORT_PREAMBLE), + RATETAB_ENT(DOT11_RATE_6M, 0), + RATETAB_ENT(DOT11_RATE_9M, 0), + RATETAB_ENT(DOT11_RATE_12M, 0), + RATETAB_ENT(DOT11_RATE_18M, 0), + RATETAB_ENT(DOT11_RATE_24M, 0), + RATETAB_ENT(DOT11_RATE_36M, 0), + RATETAB_ENT(DOT11_RATE_48M, 0), + RATETAB_ENT(DOT11_RATE_54M, 0), +}; + +#define wl_a_rates (__wl_rates + 4) +#define wl_a_rates_size 8 +#define wl_g_rates (__wl_rates + 0) +#define wl_g_rates_size 12 + +static struct ieee80211_channel __wl_2ghz_channels[] = { + CHAN2G(1, 2412, 0), + CHAN2G(2, 2417, 0), + CHAN2G(3, 2422, 0), + CHAN2G(4, 2427, 0), + CHAN2G(5, 2432, 0), + CHAN2G(6, 2437, 0), + CHAN2G(7, 2442, 0), + CHAN2G(8, 2447, 0), + CHAN2G(9, 2452, 0), + CHAN2G(10, 2457, 0), + CHAN2G(11, 2462, 0), + CHAN2G(12, 2467, 0), + CHAN2G(13, 2472, 0), + CHAN2G(14, 2484, 0), +}; + +static struct ieee80211_channel __wl_5ghz_a_channels[] = { + CHAN5G(34, 0), CHAN5G(36, 0), + CHAN5G(38, 0), CHAN5G(40, 0), + CHAN5G(42, 0), CHAN5G(44, 0), + CHAN5G(46, 0), CHAN5G(48, 0), + CHAN5G(52, 0), CHAN5G(56, 0), + CHAN5G(60, 0), CHAN5G(64, 0), + CHAN5G(100, 0), CHAN5G(104, 0), + CHAN5G(108, 0), CHAN5G(112, 0), + CHAN5G(116, 0), CHAN5G(120, 0), + CHAN5G(124, 0), CHAN5G(128, 0), + CHAN5G(132, 0), CHAN5G(136, 0), + CHAN5G(140, 0), CHAN5G(149, 0), + CHAN5G(153, 0), CHAN5G(157, 0), + CHAN5G(161, 0), CHAN5G(165, 0), + CHAN5G(184, 0), CHAN5G(188, 0), + CHAN5G(192, 0), CHAN5G(196, 0), + CHAN5G(200, 0), CHAN5G(204, 0), + CHAN5G(208, 0), CHAN5G(212, 0), + CHAN5G(216, 0), +}; + +static struct ieee80211_channel __wl_5ghz_n_channels[] = { + CHAN5G(32, 0), CHAN5G(34, 0), + CHAN5G(36, 0), CHAN5G(38, 0), + CHAN5G(40, 0), CHAN5G(42, 0), + CHAN5G(44, 0), CHAN5G(46, 0), + CHAN5G(48, 0), CHAN5G(50, 0), + CHAN5G(52, 0), CHAN5G(54, 0), + CHAN5G(56, 0), CHAN5G(58, 0), + CHAN5G(60, 0), CHAN5G(62, 0), + CHAN5G(64, 0), CHAN5G(66, 0), + CHAN5G(68, 0), CHAN5G(70, 0), + CHAN5G(72, 0), CHAN5G(74, 0), + CHAN5G(76, 0), CHAN5G(78, 0), + CHAN5G(80, 0), CHAN5G(82, 0), + CHAN5G(84, 0), CHAN5G(86, 0), + CHAN5G(88, 0), CHAN5G(90, 0), + CHAN5G(92, 0), CHAN5G(94, 0), + CHAN5G(96, 0), CHAN5G(98, 0), + CHAN5G(100, 0), CHAN5G(102, 0), + CHAN5G(104, 0), CHAN5G(106, 0), + CHAN5G(108, 0), CHAN5G(110, 0), + CHAN5G(112, 0), CHAN5G(114, 0), + CHAN5G(116, 0), CHAN5G(118, 0), + CHAN5G(120, 0), CHAN5G(122, 0), + CHAN5G(124, 0), CHAN5G(126, 0), + CHAN5G(128, 0), CHAN5G(130, 0), + CHAN5G(132, 0), CHAN5G(134, 0), + CHAN5G(136, 0), CHAN5G(138, 0), + CHAN5G(140, 0), CHAN5G(142, 0), + CHAN5G(144, 0), CHAN5G(145, 0), + CHAN5G(146, 0), CHAN5G(147, 0), + CHAN5G(148, 0), CHAN5G(149, 0), + CHAN5G(150, 0), CHAN5G(151, 0), + CHAN5G(152, 0), CHAN5G(153, 0), + CHAN5G(154, 0), CHAN5G(155, 0), + CHAN5G(156, 0), CHAN5G(157, 0), + CHAN5G(158, 0), CHAN5G(159, 0), + CHAN5G(160, 0), CHAN5G(161, 0), + CHAN5G(162, 0), CHAN5G(163, 0), + CHAN5G(164, 0), CHAN5G(165, 0), + CHAN5G(166, 0), CHAN5G(168, 0), + CHAN5G(170, 0), CHAN5G(172, 0), + CHAN5G(174, 0), CHAN5G(176, 0), + CHAN5G(178, 0), CHAN5G(180, 0), + CHAN5G(182, 0), CHAN5G(184, 0), + CHAN5G(186, 0), CHAN5G(188, 0), + CHAN5G(190, 0), CHAN5G(192, 0), + CHAN5G(194, 0), CHAN5G(196, 0), + CHAN5G(198, 0), CHAN5G(200, 0), + CHAN5G(202, 0), CHAN5G(204, 0), + CHAN5G(206, 0), CHAN5G(208, 0), + CHAN5G(210, 0), CHAN5G(212, 0), + CHAN5G(214, 0), CHAN5G(216, 0), + CHAN5G(218, 0), CHAN5G(220, 0), + CHAN5G(222, 0), CHAN5G(224, 0), + CHAN5G(226, 0), CHAN5G(228, 0), +}; + +static struct ieee80211_supported_band __wl_band_2ghz = { + .band = IEEE80211_BAND_2GHZ, + .channels = __wl_2ghz_channels, + .n_channels = ARRAY_SIZE(__wl_2ghz_channels), + .bitrates = wl_g_rates, + .n_bitrates = wl_g_rates_size, +}; + +static struct ieee80211_supported_band __wl_band_5ghz_a = { + .band = IEEE80211_BAND_5GHZ, + .channels = __wl_5ghz_a_channels, + .n_channels = ARRAY_SIZE(__wl_5ghz_a_channels), + .bitrates = wl_a_rates, + .n_bitrates = wl_a_rates_size, +}; + +static struct ieee80211_supported_band __wl_band_5ghz_n = { + .band = IEEE80211_BAND_5GHZ, + .channels = __wl_5ghz_n_channels, + .n_channels = ARRAY_SIZE(__wl_5ghz_n_channels), + .bitrates = wl_a_rates, + .n_bitrates = wl_a_rates_size, +}; + +static const u32 __wl_cipher_suites[] = { + WLAN_CIPHER_SUITE_WEP40, + WLAN_CIPHER_SUITE_WEP104, + WLAN_CIPHER_SUITE_TKIP, + WLAN_CIPHER_SUITE_CCMP, + WLAN_CIPHER_SUITE_AES_CMAC, +}; + +static void key_endian_to_device(struct wl_wsec_key *key) +{ + key->index = htod32(key->index); + key->len = htod32(key->len); + key->algo = htod32(key->algo); + key->flags = htod32(key->flags); + key->rxiv.hi = htod32(key->rxiv.hi); + key->rxiv.lo = htod16(key->rxiv.lo); + key->iv_initialized = htod32(key->iv_initialized); +} + +static void key_endian_to_host(struct wl_wsec_key *key) +{ + key->index = dtoh32(key->index); + key->len = dtoh32(key->len); + key->algo = dtoh32(key->algo); + key->flags = dtoh32(key->flags); + key->rxiv.hi = dtoh32(key->rxiv.hi); + key->rxiv.lo = dtoh16(key->rxiv.lo); + key->iv_initialized = dtoh32(key->iv_initialized); +} + +static s32 +wl_dev_ioctl(struct net_device *dev, u32 cmd, void *arg, u32 len) +{ + struct ifreq ifr; + struct wl_ioctl ioc; + mm_segment_t fs; + s32 err = 0; + + BUG_ON(len < sizeof(int)); + + memset(&ioc, 0, sizeof(ioc)); + ioc.cmd = cmd; + ioc.buf = arg; + ioc.len = len; + strcpy(ifr.ifr_name, dev->name); + ifr.ifr_data = (caddr_t)&ioc; + + fs = get_fs(); + set_fs(get_ds()); +#if defined(WL_USE_NETDEV_OPS) + err = dev->netdev_ops->ndo_do_ioctl(dev, &ifr, SIOCDEVPRIVATE); +#else + err = dev->do_ioctl(dev, &ifr, SIOCDEVPRIVATE); +#endif + set_fs(fs); + + return err; +} + +static s32 +wl_cfg80211_change_iface(struct wiphy *wiphy, struct net_device *ndev, + enum nl80211_iftype type, u32 *flags, + struct vif_params *params) +{ + struct wl_cfg80211_priv *wl = wiphy_to_wl(wiphy); + struct wireless_dev *wdev; + s32 infra = 0; + s32 ap = 0; + s32 err = 0; + + switch (type) { + case NL80211_IFTYPE_MONITOR: + case NL80211_IFTYPE_WDS: + WL_ERR(("type (%d) : currently we do not support this type\n", + type)); + return -EOPNOTSUPP; + case NL80211_IFTYPE_ADHOC: + wl->conf->mode = WL_MODE_IBSS; + break; + case NL80211_IFTYPE_STATION: + wl->conf->mode = WL_MODE_BSS; + infra = 1; + break; + default: + return -EINVAL; + } + infra = htod32(infra); + ap = htod32(ap); + wdev = ndev->ieee80211_ptr; + wdev->iftype = type; + WL_DBG(("%s : ap (%d), infra (%d)\n", ndev->name, ap, infra)); + err = wl_dev_ioctl(ndev, WLC_SET_INFRA, &infra, sizeof(infra)); + if (err) { + WL_ERR(("WLC_SET_INFRA error (%d)\n", err)); + return err; + } + err = wl_dev_ioctl(ndev, WLC_SET_AP, &ap, sizeof(ap)); + if (err) { + WL_ERR(("WLC_SET_AP error (%d)\n", err)); + return err; + } + + return 0; +} + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0) +static s32 +wl_cfg80211_scan(struct wiphy *wiphy, + struct cfg80211_scan_request *request) +#else +static s32 +wl_cfg80211_scan(struct wiphy *wiphy, + struct net_device *ndev, + struct cfg80211_scan_request *request) +#endif + +{ +#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0) + struct net_device *ndev = request->wdev->netdev; +#endif + struct wl_cfg80211_priv *wl = ndev_to_wl(ndev); + struct cfg80211_ssid *ssids; + struct wl_cfg80211_scan_req *sr = wl_to_sr(wl); + s32 passive_scan; + s32 err = 0; + + if (request) { + ssids = request->ssids; + } + else { + + ssids = NULL; + } + wl->scan_request = request; + + memset(&sr->ssid, 0, sizeof(sr->ssid)); + + if (ssids) { + WL_DBG(("ssid \"%s\", ssid_len (%d)\n", ssids->ssid, ssids->ssid_len)); + sr->ssid.SSID_len = min_t(u8, sizeof(sr->ssid.SSID), ssids->ssid_len); + } + + if (sr->ssid.SSID_len) { + memcpy(sr->ssid.SSID, ssids->ssid, sr->ssid.SSID_len); + sr->ssid.SSID_len = htod32(sr->ssid.SSID_len); + WL_DBG(("Specific scan ssid=\"%s\" len=%d\n", sr->ssid.SSID, sr->ssid.SSID_len)); + } else { + WL_DBG(("Broadcast scan\n")); + } + WL_DBG(("sr->ssid.SSID_len (%d)\n", sr->ssid.SSID_len)); + passive_scan = wl->active_scan ? 0 : 1; + err = wl_dev_ioctl(ndev, WLC_SET_PASSIVE_SCAN, &passive_scan, sizeof(passive_scan)); + if (err) { + WL_ERR(("WLC_SET_PASSIVE_SCAN error (%d)\n", err)); + goto scan_out; + } + err = wl_dev_ioctl(ndev, WLC_SCAN, &sr->ssid, sizeof(sr->ssid)); + if (err) { + if (err == -EBUSY) { + WL_INF(("system busy : scan for \"%s\" " + "canceled\n", sr->ssid.SSID)); + } else { + WL_ERR(("WLC_SCAN error (%d)\n", err)); + } + goto scan_out; + } + + return 0; + +scan_out: + wl->scan_request = NULL; + return err; +} + +static s32 wl_dev_intvar_set(struct net_device *dev, s8 *name, s32 val) +{ + s8 buf[WLC_IOCTL_SMLEN]; + u32 len; + s32 err = 0; + + val = htod32(val); + len = bcm_mkiovar(name, (char *)(&val), sizeof(val), buf, sizeof(buf)); + BUG_ON(!len); + + err = wl_dev_ioctl(dev, WLC_SET_VAR, buf, len); + if (err) { + WL_ERR(("error (%d)\n", err)); + } + + return err; +} + +static s32 +wl_dev_intvar_get(struct net_device *dev, s8 *name, s32 *retval) +{ + union { + s8 buf[WLC_IOCTL_SMLEN]; + s32 val; + } var; + u32 len; + u32 data_null; + s32 err = 0; + + len = bcm_mkiovar(name, (char *)(&data_null), 0, (char *)(&var), sizeof(var.buf)); + BUG_ON(!len); + err = wl_dev_ioctl(dev, WLC_GET_VAR, &var, len); + if (err) { + WL_ERR(("error (%d)\n", err)); + } + *retval = dtoh32(var.val); + + return err; +} + +static s32 wl_set_rts(struct net_device *dev, u32 rts_threshold) +{ + s32 err = 0; + + err = wl_dev_intvar_set(dev, "rtsthresh", rts_threshold); + if (err) { + WL_ERR(("Error (%d)\n", err)); + return err; + } + return err; +} + +static s32 wl_set_frag(struct net_device *dev, u32 frag_threshold) +{ + s32 err = 0; + + err = wl_dev_intvar_set(dev, "fragthresh", frag_threshold); + if (err) { + WL_ERR(("Error (%d)\n", err)); + return err; + } + return err; +} + +static s32 wl_set_retry(struct net_device *dev, u32 retry, bool l) +{ + s32 err = 0; + u32 cmd = (l ? WLC_SET_LRL : WLC_SET_SRL); + + retry = htod32(retry); + err = wl_dev_ioctl(dev, cmd, &retry, sizeof(retry)); + if (err) { + WL_ERR(("cmd (%d) , error (%d)\n", cmd, err)); + return err; + } + return err; +} + +static s32 wl_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) +{ + struct wl_cfg80211_priv *wl = wiphy_to_wl(wiphy); + struct net_device *ndev = wl_to_ndev(wl); + s32 err = 0; + + if (changed & WIPHY_PARAM_RTS_THRESHOLD && + (wl->conf->rts_threshold != wiphy->rts_threshold)) { + wl->conf->rts_threshold = wiphy->rts_threshold; + err = wl_set_rts(ndev, wl->conf->rts_threshold); + if (!err) + return err; + } + if (changed & WIPHY_PARAM_FRAG_THRESHOLD && + (wl->conf->frag_threshold != wiphy->frag_threshold)) { + wl->conf->frag_threshold = wiphy->frag_threshold; + err = wl_set_frag(ndev, wl->conf->frag_threshold); + if (!err) + return err; + } + if (changed & WIPHY_PARAM_RETRY_LONG && (wl->conf->retry_long != wiphy->retry_long)) { + wl->conf->retry_long = wiphy->retry_long; + err = wl_set_retry(ndev, wl->conf->retry_long, true); + if (!err) + return err; + } + if (changed & WIPHY_PARAM_RETRY_SHORT && (wl->conf->retry_short != wiphy->retry_short)) { + wl->conf->retry_short = wiphy->retry_short; + err = wl_set_retry(ndev, wl->conf->retry_short, false); + if (!err) { + return err; + } + } + + return err; +} + +static s32 +wl_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, + struct cfg80211_ibss_params *params) +{ + struct wl_join_params join_params; + size_t join_params_size; + s32 val; + s32 err = 0; + + WL_DBG(("\n")); + + if (params->bssid) { + WL_ERR(("Invalid bssid\n")); + return -EOPNOTSUPP; + } + + if ((err = wl_dev_intvar_set(dev, "auth", 0))) { + return err; + } + if ((err = wl_dev_intvar_set(dev, "wpa_auth", WPA_AUTH_NONE))) { + return err; + } + if ((err = wl_dev_intvar_get(dev, "wsec", &val))) { + return err; + } + val &= ~(WEP_ENABLED | TKIP_ENABLED | AES_ENABLED); + if ((err = wl_dev_intvar_set(dev, "wsec", val))) { + return err; + } + + memset(&join_params, 0, sizeof(join_params)); + join_params_size = sizeof(join_params.ssid); + + memcpy((void *)join_params.ssid.SSID, (void *)params->ssid, params->ssid_len); + join_params.ssid.SSID_len = htod32(params->ssid_len); + if (params->bssid) + memcpy(&join_params.params.bssid, params->bssid, ETHER_ADDR_LEN); + else + memset(&join_params.params.bssid, 0, ETHER_ADDR_LEN); + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 8, 0) + wl_ch_to_chanspec(params->chandef.chan, &join_params, &join_params_size); +#else + wl_ch_to_chanspec(params->channel, &join_params, &join_params_size); +#endif + err = wl_dev_ioctl(dev, WLC_SET_SSID, &join_params, join_params_size); + if (err) { + WL_ERR(("Error (%d)\n", err)); + return err; + } + return err; +} + +static s32 wl_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) +{ + struct wl_cfg80211_priv *wl = wiphy_to_wl(wiphy); + s32 err = 0; + + WL_DBG(("\n")); + + wl_link_down(wl); + + return err; +} + +static s32 +wl_set_wpa_version(struct net_device *dev, struct cfg80211_connect_params *sme) +{ + struct wl_cfg80211_priv *wl = ndev_to_wl(dev); + s32 val = 0; + s32 err = 0; + + if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_1) + val = WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED; + else if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2) + val = WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED; + else + val = WPA_AUTH_DISABLED; + WL_DBG(("setting wpa_auth to 0x%0x\n", val)); + err = wl_dev_intvar_set(dev, "wpa_auth", val); + if (err) { + WL_ERR(("set wpa_auth failed (%d)\n", err)); + return err; + } + wl->profile->sec.wpa_versions = sme->crypto.wpa_versions; + return err; +} + +static s32 +wl_set_auth_type(struct net_device *dev, struct cfg80211_connect_params *sme) +{ + struct wl_cfg80211_priv *wl = ndev_to_wl(dev); + s32 val = 0; + s32 err = 0; + + switch (sme->auth_type) { + case NL80211_AUTHTYPE_OPEN_SYSTEM: + val = 0; + WL_DBG(("open system\n")); + break; + case NL80211_AUTHTYPE_SHARED_KEY: + val = 1; + WL_DBG(("shared key\n")); + break; + case NL80211_AUTHTYPE_AUTOMATIC: + val = 2; + WL_DBG(("automatic\n")); + break; + case NL80211_AUTHTYPE_NETWORK_EAP: + WL_DBG(("network eap\n")); + default: + val = 2; + WL_ERR(("invalid auth type (%d)\n", sme->auth_type)); + break; + } + + err = wl_dev_intvar_set(dev, "auth", val); + if (err) { + WL_ERR(("set auth failed (%d)\n", err)); + return err; + } + + wl->profile->sec.auth_type = sme->auth_type; + return err; +} + +static s32 +wl_set_set_cipher(struct net_device *dev, struct cfg80211_connect_params *sme) +{ + struct wl_cfg80211_priv *wl = ndev_to_wl(dev); + s32 pval = 0; + s32 gval = 0; + s32 val = 0; + s32 err = 0; + + if (sme->crypto.n_ciphers_pairwise) { + switch (sme->crypto.ciphers_pairwise[0]) { + case WLAN_CIPHER_SUITE_WEP40: + case WLAN_CIPHER_SUITE_WEP104: + pval = WEP_ENABLED; + break; + case WLAN_CIPHER_SUITE_TKIP: + pval = TKIP_ENABLED; + break; + case WLAN_CIPHER_SUITE_CCMP: + pval = AES_ENABLED; + break; + case WLAN_CIPHER_SUITE_AES_CMAC: + pval = AES_ENABLED; + break; + default: + WL_ERR(("invalid cipher pairwise (%d)\n", sme->crypto.ciphers_pairwise[0])); + return -EINVAL; + } + } + if (sme->crypto.cipher_group) { + switch (sme->crypto.cipher_group) { + case WLAN_CIPHER_SUITE_WEP40: + case WLAN_CIPHER_SUITE_WEP104: + gval = WEP_ENABLED; + break; + case WLAN_CIPHER_SUITE_TKIP: + gval = TKIP_ENABLED; + break; + case WLAN_CIPHER_SUITE_CCMP: + gval = AES_ENABLED; + break; + case WLAN_CIPHER_SUITE_AES_CMAC: + gval = AES_ENABLED; + break; + default: + WL_ERR(("invalid cipher group (%d)\n", sme->crypto.cipher_group)); + return -EINVAL; + } + } + + if ((err = wl_dev_intvar_get(dev, "wsec", &val))) { + return err; + } + val &= ~(WEP_ENABLED | TKIP_ENABLED | AES_ENABLED); + val |= pval | gval; + WL_DBG(("set wsec to %d\n", val)); + err = wl_dev_intvar_set(dev, "wsec", val); + if (err) { + WL_ERR(("error (%d)\n", err)); + return err; + } + + wl->profile->sec.cipher_pairwise = sme->crypto.ciphers_pairwise[0]; + wl->profile->sec.cipher_group = sme->crypto.cipher_group; + + return err; +} + +static s32 +wl_set_key_mgmt(struct net_device *dev, struct cfg80211_connect_params *sme) +{ + struct wl_cfg80211_priv *wl = ndev_to_wl(dev); + s32 val = 0; + s32 err = 0; + + if (sme->crypto.n_akm_suites) { + err = wl_dev_intvar_get(dev, "wpa_auth", &val); + if (err) { + WL_ERR(("could not get wpa_auth (%d)\n", err)); + return err; + } + if (val & (WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED)) { + switch (sme->crypto.akm_suites[0]) { + case WLAN_AKM_SUITE_8021X: + val = WPA_AUTH_UNSPECIFIED; + break; + case WLAN_AKM_SUITE_PSK: + val = WPA_AUTH_PSK; + break; + default: + WL_ERR(("invalid cipher group (%d)\n", sme->crypto.cipher_group)); + return -EINVAL; + } + } else if (val & (WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED)) { + switch (sme->crypto.akm_suites[0]) { + case WLAN_AKM_SUITE_8021X: + val = WPA2_AUTH_UNSPECIFIED; + break; + case WLAN_AKM_SUITE_PSK: + val = WPA2_AUTH_PSK; + break; + default: + WL_ERR(("invalid cipher group (%d)\n", sme->crypto.cipher_group)); + return -EINVAL; + } + } + + WL_DBG(("setting wpa_auth to %d\n", val)); + err = wl_dev_intvar_set(dev, "wpa_auth", val); + if (err) { + WL_ERR(("could not set wpa_auth (%d)\n", err)); + return err; + } + } + + wl->profile->sec.wpa_auth = sme->crypto.akm_suites[0]; + + return err; +} + +static s32 +wl_set_set_sharedkey(struct net_device *dev, struct cfg80211_connect_params *sme) +{ + struct wl_cfg80211_priv *wl = ndev_to_wl(dev); + struct wl_cfg80211_security *sec; + struct wl_wsec_key key; + s32 err = 0; + + WL_DBG(("key len (%d)\n", sme->key_len)); + if (sme->key_len) { + sec = &wl->profile->sec; + WL_DBG(("wpa_versions 0x%x cipher_pairwise 0x%x\n", + sec->wpa_versions, sec->cipher_pairwise)); + if (!(sec->wpa_versions & (NL80211_WPA_VERSION_1 | NL80211_WPA_VERSION_2)) && + (sec->cipher_pairwise & + (WLAN_CIPHER_SUITE_WEP40 | WLAN_CIPHER_SUITE_WEP104))) { + memset(&key, 0, sizeof(key)); + key.len = (u32) sme->key_len; + key.index = (u32) sme->key_idx; + if (key.len > sizeof(key.data)) { + WL_ERR(("Too long key length (%u)\n", key.len)); + return -EINVAL; + } + memcpy(key.data, sme->key, key.len); + key.flags = WL_PRIMARY_KEY; + switch (sec->cipher_pairwise) { + case WLAN_CIPHER_SUITE_WEP40: + key.algo = CRYPTO_ALGO_WEP1; + break; + case WLAN_CIPHER_SUITE_WEP104: + key.algo = CRYPTO_ALGO_WEP128; + break; + default: + WL_ERR(("Invalid algorithm (%d)\n", + sme->crypto.ciphers_pairwise[0])); + return -EINVAL; + } + + WL_DBG(("key length (%d) key index (%d) algo (%d)\n", key.len, + key.index, key.algo)); + WL_DBG(("key \"%s\"\n", key.data)); + key_endian_to_device(&key); + err = wl_dev_ioctl(dev, WLC_SET_KEY, &key, sizeof(key)); + if (err) { + WL_ERR(("WLC_SET_KEY error (%d)\n", err)); + return err; + } + } + } + return err; +} + +static s32 +wl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, + struct cfg80211_connect_params *sme) +{ + struct wl_cfg80211_priv *wl = wiphy_to_wl(wiphy); + struct wl_join_params join_params; + size_t join_params_size; + char valc; + s32 err = 0; + + if (!sme->ssid) { + WL_ERR(("Invalid ssid\n")); + return -EOPNOTSUPP; + } + + WL_DBG(("ie (%p), ie_len (%zd)\n", sme->ie, sme->ie_len)); + + err = wl_set_auth_type(dev, sme); + if (err) + return err; + + err = wl_set_wpa_version(dev, sme); + if (err) + return err; + + err = wl_set_set_cipher(dev, sme); + if (err) + return err; + + err = wl_set_key_mgmt(dev, sme); + if (err) + return err; + + err = wl_set_set_sharedkey(dev, sme); + if (err) + return err; + + valc = 1; + wl_dev_bufvar_set(dev, "wsec_restrict", &valc, 1); + + if (sme->bssid) { + memcpy(wl->profile->bssid, sme->bssid, ETHER_ADDR_LEN); + } + else { + memset(wl->profile->bssid, 0, ETHER_ADDR_LEN); + } + + memset(&join_params, 0, sizeof(join_params)); + join_params_size = sizeof(join_params.ssid); + + join_params.ssid.SSID_len = min(sizeof(join_params.ssid.SSID), sme->ssid_len); + memcpy(&join_params.ssid.SSID, sme->ssid, join_params.ssid.SSID_len); + join_params.ssid.SSID_len = htod32(join_params.ssid.SSID_len); + memcpy(&join_params.params.bssid, ðer_bcast, ETHER_ADDR_LEN); + + memcpy(wl->profile->ssid.SSID, &join_params.ssid.SSID, join_params.ssid.SSID_len); + wl->profile->ssid.SSID_len = join_params.ssid.SSID_len; + + wl_ch_to_chanspec(sme->channel, &join_params, &join_params_size); + WL_DBG(("join_param_size %u\n", (unsigned int)join_params_size)); + + if (join_params.ssid.SSID_len < IEEE80211_MAX_SSID_LEN) { + WL_DBG(("ssid \"%s\", len (%d)\n", join_params.ssid.SSID, + join_params.ssid.SSID_len)); + } + err = wl_dev_ioctl(dev, WLC_SET_SSID, &join_params, join_params_size); + if (err) { + WL_ERR(("error (%d)\n", err)); + return err; + } + + set_bit(WL_STATUS_CONNECTING, &wl->status); + + return err; +} + +static s32 +wl_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev, u16 reason_code) +{ + struct wl_cfg80211_priv *wl = wiphy_to_wl(wiphy); + scb_val_t scbval; + s32 err = 0; + + WL_DBG(("Reason %d\n", reason_code)); + + if (wl->profile->active) { + scbval.val = reason_code; + memcpy(&scbval.ea, &wl->bssid, ETHER_ADDR_LEN); + scbval.val = htod32(scbval.val); + err = wl_dev_ioctl(dev, WLC_DISASSOC, &scbval, sizeof(scb_val_t)); + if (err) { + WL_ERR(("error (%d)\n", err)); + return err; + } + } + + return err; +} + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 8, 0) +static s32 +wl_cfg80211_set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev, + enum nl80211_tx_power_setting type, s32 dbm) +#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 36) +static s32 +wl_cfg80211_set_tx_power(struct wiphy *wiphy, enum nl80211_tx_power_setting type, s32 dbm) +#else +#define NL80211_TX_POWER_AUTOMATIC TX_POWER_AUTOMATIC +#define NL80211_TX_POWER_LIMITED TX_POWER_LIMITED +#define NL80211_TX_POWER_FIXED TX_POWER_FIXED +static s32 +wl_cfg80211_set_tx_power(struct wiphy *wiphy, enum tx_power_setting type, s32 dbm) +#endif +{ + + struct wl_cfg80211_priv *wl = wiphy_to_wl(wiphy); + struct net_device *ndev = wl_to_ndev(wl); + u16 txpwrmw; + s32 err = 0; + s32 disable = 0; + + switch (type) { + case NL80211_TX_POWER_AUTOMATIC: + break; + case NL80211_TX_POWER_LIMITED: + if (dbm < 0) { + WL_ERR(("TX_POWER_LIMITTED - dbm is negative\n")); + return -EINVAL; + } + break; + case NL80211_TX_POWER_FIXED: + if (dbm < 0) { + WL_ERR(("TX_POWER_FIXED - dbm is negative..\n")); + return -EINVAL; + } + break; + } + + disable = WL_RADIO_SW_DISABLE << 16; + disable = htod32(disable); + err = wl_dev_ioctl(ndev, WLC_SET_RADIO, &disable, sizeof(disable)); + if (err) { + WL_ERR(("WLC_SET_RADIO error (%d)\n", err)); + return err; + } + + if (dbm > 0xffff) + txpwrmw = 0xffff; + else + txpwrmw = (u16) dbm; + err = wl_dev_intvar_set(ndev, "qtxpower", (s32) (bcm_mw_to_qdbm(txpwrmw))); + if (err) { + WL_ERR(("qtxpower error (%d)\n", err)); + return err; + } + wl->conf->tx_power = dbm; + + return err; +} + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 8, 0) +static s32 wl_cfg80211_get_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev, s32 *dbm) +#else +static s32 wl_cfg80211_get_tx_power(struct wiphy *wiphy, s32 *dbm) +#endif +{ + struct wl_cfg80211_priv *wl = wiphy_to_wl(wiphy); + struct net_device *ndev = wl_to_ndev(wl); + s32 txpwrdbm; + u8 result; + s32 err = 0; + + err = wl_dev_intvar_get(ndev, "qtxpower", &txpwrdbm); + if (err) { + WL_ERR(("error (%d)\n", err)); + return err; + } + result = (u8) (txpwrdbm & ~WL_TXPWR_OVERRIDE); + *dbm = (s32) bcm_qdbm_to_mw(result); + + return err; +} + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 38) +static s32 +wl_cfg80211_config_default_key(struct wiphy *wiphy, + struct net_device *dev, u8 key_idx, bool unicast, bool multicast) +#else +static s32 +wl_cfg80211_config_default_key(struct wiphy *wiphy, + struct net_device *dev, u8 key_idx) +#endif +{ + u32 index; + s32 err = 0; + + WL_DBG(("key index (%d)\n", key_idx)); + + index = (u32) key_idx; + index = htod32(index); + err = wl_dev_ioctl(dev, WLC_SET_KEY_PRIMARY, &index, sizeof(index)); + if (err) { + WL_DBG(("error (%d)\n", err)); + } + + return 0; +} + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37) +static s32 +wl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *dev, + u8 key_idx, bool pairwise, const u8 *mac_addr, struct key_params *params) +#else +static s32 +wl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *dev, + u8 key_idx, const u8 *mac_addr, struct key_params *params) +#endif +{ + struct wl_cfg80211_priv *wl = ndev_to_wl(dev); + struct wl_wsec_key key; + s32 secval, secnew = 0; + s32 err = 0; + + WL_DBG(("key index %u len %u\n", (unsigned)key_idx, params->key_len)); + + memset(&key, 0, sizeof(key)); + + key.index = (u32) key_idx; + + switch (params->cipher) { + case WLAN_CIPHER_SUITE_WEP40: + key.algo = CRYPTO_ALGO_WEP1; + secnew = WEP_ENABLED; + WL_DBG(("WLAN_CIPHER_SUITE_WEP40\n")); + break; + case WLAN_CIPHER_SUITE_WEP104: + key.algo = CRYPTO_ALGO_WEP128; + secnew = WEP_ENABLED; + WL_DBG(("WLAN_CIPHER_SUITE_WEP104\n")); + break; + case WLAN_CIPHER_SUITE_TKIP: + key.algo = CRYPTO_ALGO_TKIP; + secnew = TKIP_ENABLED; + WL_DBG(("WLAN_CIPHER_SUITE_TKIP\n")); + break; + case WLAN_CIPHER_SUITE_AES_CMAC: + key.algo = CRYPTO_ALGO_AES_CCM; + secnew = AES_ENABLED; + WL_DBG(("WLAN_CIPHER_SUITE_AES_CMAC\n")); + break; + case WLAN_CIPHER_SUITE_CCMP: + key.algo = CRYPTO_ALGO_AES_CCM; + secnew = AES_ENABLED; + WL_DBG(("WLAN_CIPHER_SUITE_CCMP\n")); + break; + default: + WL_ERR(("Invalid cipher (0x%x)\n", params->cipher)); + return -EINVAL; + } + + if (mac_addr) { + if (!ETHER_ISMULTI(mac_addr)) { + memcpy((char *)&key.ea, (void *)mac_addr, ETHER_ADDR_LEN); + } + } + + key.len = (u32) params->key_len; + if (key.len > sizeof(key.data)) { + WL_ERR(("Too long key length (%u)\n", key.len)); + return -EINVAL; + } + memcpy(key.data, params->key, key.len); + + if (params->cipher == WLAN_CIPHER_SUITE_TKIP) { + u8 keybuf[8]; + memcpy(keybuf, &key.data[24], sizeof(keybuf)); + memcpy(&key.data[24], &key.data[16], sizeof(keybuf)); + memcpy(&key.data[16], keybuf, sizeof(keybuf)); + } + + if (params->seq_len) { + u8 *ivptr; + if (params->seq_len != 6) { + WL_ERR(("seq_len %d is unexpected, check implementation.\n", + params->seq_len)); + } + ivptr = (u8 *) params->seq; + key.rxiv.hi = (ivptr[5] << 24) | (ivptr[4] << 16) | (ivptr[3] << 8) | ivptr[2]; + key.rxiv.lo = (ivptr[1] << 8) | ivptr[0]; + key.iv_initialized = true; + } + + key_endian_to_device(&key); + if (wl->passive) { + schedule(); + } + err = wl_dev_ioctl(dev, WLC_SET_KEY, &key, sizeof(key)); + if (err) { + WL_ERR(("WLC_SET_KEY error (%d)\n", err)); + return err; + } + + if ((err = wl_dev_intvar_get(dev, "wsec", &secval))) { + return err; + } + if (secnew == WEP_ENABLED) { + secval &= ~(TKIP_ENABLED | AES_ENABLED); + } + else { + secval &= ~(WEP_ENABLED); + } + secval |= secnew; + WL_DBG(("set wsec to %d\n", secval)); + err = wl_dev_intvar_set(dev, "wsec", secval); + if (err) { + WL_ERR(("error (%d)\n", err)); + return err; + } + + if (mac_addr) { + wl->profile->sec.cipher_pairwise = params->cipher; + } + else { + wl->profile->sec.cipher_group = params->cipher; + } + + return err; +} + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37) +static s32 +wl_cfg80211_del_key(struct wiphy *wiphy, struct net_device *dev, + u8 key_idx, bool pairwise, const u8 *mac_addr) +#else +static s32 +wl_cfg80211_del_key(struct wiphy *wiphy, struct net_device *dev, + u8 key_idx, const u8 *mac_addr) +#endif +{ + struct wl_wsec_key key; + s32 err = 0; + + WL_DBG(("key index (%d)\n", key_idx)); + + memset(&key, 0, sizeof(key)); + + key.index = (u32) key_idx; + key.len = 0; + if (mac_addr) { + if (!ETHER_ISMULTI(mac_addr)) { + memcpy((char *)&key.ea, (void *)mac_addr, ETHER_ADDR_LEN); + } + } + key.algo = CRYPTO_ALGO_OFF; + + key_endian_to_device(&key); + err = wl_dev_ioctl(dev, WLC_SET_KEY, &key, sizeof(key)); + if (err) { + if (err == -EINVAL) { + if (key.index >= DOT11_MAX_DEFAULT_KEYS) { + + WL_DBG(("invalid key index (%d)\n", key_idx)); + } + } else { + WL_ERR(("WLC_SET_KEY error (%d)\n", err)); + } + return err; + } + + return err; +} + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37) +static s32 +wl_cfg80211_get_key(struct wiphy *wiphy, struct net_device *dev, + u8 key_idx, bool pairwise, const u8 *mac_addr, void *cookie, + void (*callback) (void *cookie, struct key_params * params)) +#else +static s32 +wl_cfg80211_get_key(struct wiphy *wiphy, struct net_device *dev, + u8 key_idx, const u8 *mac_addr, void *cookie, + void (*callback) (void *cookie, struct key_params * params)) +#endif +{ + struct key_params params; + struct wl_wsec_key key; + struct wl_cfg80211_priv *wl = wiphy_to_wl(wiphy); + struct wl_cfg80211_security *sec; + s32 wsec; + s32 err = 0; + + WL_DBG(("key index (%d)\n", key_idx)); + + memset(¶ms, 0, sizeof(params)); + + memset(&key, 0, sizeof(key)); + key.index = key_idx; + key_endian_to_device(&key); + + if ((err = wl_dev_ioctl(dev, WLC_GET_KEY, &key, sizeof(key)))) { + return err; + } + key_endian_to_host(&key); + + params.key_len = (u8) min_t(u8, DOT11_MAX_KEY_SIZE, key.len); + memcpy((char *)params.key, key.data, params.key_len); + + if ((err = wl_dev_ioctl(dev, WLC_GET_WSEC, &wsec, sizeof(wsec)))) { + return err; + } + wsec = dtoh32(wsec); + switch (wsec) { + case WEP_ENABLED: + sec = &wl->profile->sec; + if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP40) { + params.cipher = WLAN_CIPHER_SUITE_WEP40; + WL_DBG(("WLAN_CIPHER_SUITE_WEP40\n")); + } else if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP104) { + params.cipher = WLAN_CIPHER_SUITE_WEP104; + WL_DBG(("WLAN_CIPHER_SUITE_WEP104\n")); + } + break; + case TKIP_ENABLED: + params.cipher = WLAN_CIPHER_SUITE_TKIP; + WL_DBG(("WLAN_CIPHER_SUITE_TKIP\n")); + break; + case AES_ENABLED: + params.cipher = WLAN_CIPHER_SUITE_AES_CMAC; + WL_DBG(("WLAN_CIPHER_SUITE_AES_CMAC\n")); + break; + default: + WL_ERR(("Invalid algo (0x%x)\n", wsec)); + return -EINVAL; + } + + callback(cookie, ¶ms); + return err; +} + +#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 16, 0) +static s32 +wl_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev, + u8 *mac, struct station_info *sinfo) +#else +static s32 +wl_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev, + const u8 *mac, struct station_info *sinfo) +#endif +{ + struct wl_cfg80211_priv *wl = wiphy_to_wl(wiphy); + scb_val_t scb_val; + int rssi; + s32 rate; + s32 err = 0; + + if (memcmp(mac, wl->profile->bssid, ETHER_ADDR_LEN)) { + WL_ERR(("Wrong Mac address, mac = %pM profile =%pM\n", mac, wl->profile->bssid)); + return -ENOENT; + } + + err = wl_dev_ioctl(dev, WLC_GET_RATE, &rate, sizeof(rate)); + if (err) { + WL_DBG(("Could not get rate (%d)\n", err)); + } else { + rate = dtoh32(rate); +#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 0, 0) + sinfo->filled |= BIT(NL80211_STA_INFO_TX_BITRATE); +#else + sinfo->filled |= STATION_INFO_TX_BITRATE; +#endif + sinfo->txrate.legacy = rate * 5; + WL_DBG(("Rate %d Mbps\n", (rate / 2))); + } + + if (test_bit(WL_STATUS_CONNECTED, &wl->status)) { + memset(&scb_val, 0, sizeof(scb_val)); + err = wl_dev_ioctl(dev, WLC_GET_RSSI, &scb_val, sizeof(scb_val_t)); + if (err) { + WL_DBG(("Could not get rssi (%d)\n", err)); + return err; + } + rssi = dtoh32(scb_val.val); +#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 0, 0) + sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL); +#else + sinfo->filled |= STATION_INFO_SIGNAL; +#endif + sinfo->signal = rssi; + WL_DBG(("RSSI %d dBm\n", rssi)); + } + + return err; +} + +static s32 +wl_cfg80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, + bool enabled, s32 timeout) +{ + s32 pm; + s32 err = 0; + + pm = enabled ? PM_FAST : PM_OFF; + pm = htod32(pm); + WL_DBG(("power save %s\n", (pm ? "enabled" : "disabled"))); + err = wl_dev_ioctl(dev, WLC_SET_PM, &pm, sizeof(pm)); + if (err) { + if (err == -ENODEV) + WL_DBG(("net_device is not ready yet\n")); + else + WL_ERR(("error (%d)\n", err)); + return err; + } + return err; +} + +static __used s32 +wl_update_pmklist(struct net_device *dev, struct wl_cfg80211_pmk_list *pmk_list, s32 err) +{ + int i, j; + + WL_DBG(("No of elements %d\n", pmk_list->pmkids.npmkid)); + for (i = 0; i < pmk_list->pmkids.npmkid; i++) { + WL_DBG(("PMKID[%d]: %pM =\n", i, + &pmk_list->pmkids.pmkid[i].BSSID)); + for (j = 0; j < WPA2_PMKID_LEN; j++) { + WL_DBG(("%02x\n", pmk_list->pmkids.pmkid[i].PMKID[j])); + } + } + if (!err) { + err = wl_dev_bufvar_set(dev, "pmkid_info", (char *)pmk_list, sizeof(*pmk_list)); + } + + return err; +} + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 33) + +static s32 +wl_cfg80211_set_pmksa(struct wiphy *wiphy, struct net_device *dev, + struct cfg80211_pmksa *pmksa) +{ + struct wl_cfg80211_priv *wl = wiphy_to_wl(wiphy); + s32 err = 0; + int i; + + for (i = 0; i < wl->pmk_list->pmkids.npmkid; i++) + if (!memcmp(pmksa->bssid, &wl->pmk_list->pmkids.pmkid[i].BSSID, ETHER_ADDR_LEN)) + break; + if (i < WL_NUM_PMKIDS_MAX) { + memcpy(&wl->pmk_list->pmkids.pmkid[i].BSSID, pmksa->bssid, ETHER_ADDR_LEN); + memcpy(&wl->pmk_list->pmkids.pmkid[i].PMKID, pmksa->pmkid, WPA2_PMKID_LEN); + if (i == wl->pmk_list->pmkids.npmkid) + wl->pmk_list->pmkids.npmkid++; + } else { + err = -EINVAL; + } + WL_DBG(("set_pmksa,IW_PMKSA_ADD - PMKID: %pM =\n", + &wl->pmk_list->pmkids.pmkid[wl->pmk_list->pmkids.npmkid].BSSID)); + for (i = 0; i < WPA2_PMKID_LEN; i++) { + WL_DBG(("%02x\n", + wl->pmk_list->pmkids.pmkid[wl->pmk_list->pmkids.npmkid].PMKID[i])); + } + + err = wl_update_pmklist(dev, wl->pmk_list, err); + + return err; +} + +static s32 +wl_cfg80211_del_pmksa(struct wiphy *wiphy, struct net_device *dev, + struct cfg80211_pmksa *pmksa) +{ + struct wl_cfg80211_priv *wl = wiphy_to_wl(wiphy); + struct _pmkid_list pmkid; + s32 err = 0; + int i; + + memcpy(&pmkid.pmkid[0].BSSID, pmksa->bssid, ETHER_ADDR_LEN); + memcpy(&pmkid.pmkid[0].PMKID, pmksa->pmkid, WPA2_PMKID_LEN); + + WL_DBG(("del_pmksa,IW_PMKSA_REMOVE - PMKID: %pM =\n", + &pmkid.pmkid[0].BSSID)); + for (i = 0; i < WPA2_PMKID_LEN; i++) { + WL_DBG(("%02x\n", pmkid.pmkid[0].PMKID[i])); + } + + for (i = 0; i < wl->pmk_list->pmkids.npmkid; i++) + if (!memcmp(pmksa->bssid, &wl->pmk_list->pmkids.pmkid[i].BSSID, ETHER_ADDR_LEN)) + break; + + if ((wl->pmk_list->pmkids.npmkid > 0) && (i < wl->pmk_list->pmkids.npmkid)) { + memset(&wl->pmk_list->pmkids.pmkid[i], 0, sizeof(pmkid_t)); + for (; i < (wl->pmk_list->pmkids.npmkid - 1); i++) { + memcpy(&wl->pmk_list->pmkids.pmkid[i].BSSID, + &wl->pmk_list->pmkids.pmkid[i + 1].BSSID, ETHER_ADDR_LEN); + memcpy(&wl->pmk_list->pmkids.pmkid[i].PMKID, + &wl->pmk_list->pmkids.pmkid[i + 1].PMKID, WPA2_PMKID_LEN); + } + wl->pmk_list->pmkids.npmkid--; + } else { + err = -EINVAL; + } + + err = wl_update_pmklist(dev, wl->pmk_list, err); + + return err; + +} + +static s32 +wl_cfg80211_flush_pmksa(struct wiphy *wiphy, struct net_device *dev) +{ + struct wl_cfg80211_priv *wl = wiphy_to_wl(wiphy); + s32 err = 0; + + memset(wl->pmk_list, 0, sizeof(*wl->pmk_list)); + err = wl_update_pmklist(dev, wl->pmk_list, err); + return err; + +} + +#endif + +#ifdef CONFIG_PM +#if LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 39) +#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0) + +static int +wl_wowl_ind_wake_reason(struct wl_cfg80211_priv *wl, struct cfg80211_wowlan_wakeup *wakeup) +{ + wl_wowl_wakeind_t wowl_ind; + s32 err; + + err = wl_dev_bufvar_get(wl_to_ndev(wl), "wowl_wakeind", + (s8 *)&wowl_ind, sizeof(wowl_ind)); + if (err != 0) { + WL_ERR(("Unable to get wake reason, err = %d\n", err)); + return -1; + } + + if (wowl_ind.ucode_wakeind == 0) { + WL_DBG(("System woke, but not by us\n")); + return 0; + } + WL_DBG(("wake reason is 0x%x\n", wowl_ind.ucode_wakeind)); + + if (wowl_ind.ucode_wakeind & WL_WOWL_MAGIC) { + WL_ERR(("WOWLAN Woke for: Magic Pkt\n")); + wakeup->magic_pkt = true; + } + if (wowl_ind.ucode_wakeind & WL_WOWL_DIS) { + WL_ERR(("WOWLAN Woke for: Disconnect\n")); + wakeup->disconnect = true; + } + if (wowl_ind.ucode_wakeind & WL_WOWL_BCN) { + WL_ERR(("WOWLAN Woke for: Beacon Loss\n")); + wakeup->disconnect = true; + } + if (wowl_ind.ucode_wakeind & WL_WOWL_GTK_FAILURE) { + WL_ERR(("WOWLAN Woke for: GTK failure\n")); + wakeup->gtk_rekey_failure = true; + } + if (wowl_ind.ucode_wakeind & WL_WOWL_EAPID) { + WL_ERR(("WOWLAN Woke for: EAP identify request\n")); + wakeup->eap_identity_req = true; + } + if (wowl_ind.ucode_wakeind & WL_WOWL_M1) { + WL_ERR(("WOWLAN Woke for: 4-way handshake request\n")); + wakeup->four_way_handshake = true; + } + return 1; +} +#endif + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 1, 0) +static int +wl_cfg80211_rekey(struct wiphy *wiphy, struct net_device *ndev, + struct cfg80211_gtk_rekey_data *data) +{ + struct wl_cfg80211_priv *wl = wiphy_to_wl(wiphy); + wlc_rekey_info_t rekey; + s32 err; + + if (!wl->offloads) { + return 0; + } + + memset(&rekey, 0, sizeof(rekey)); + memcpy(&rekey.kek, data->kek, WLC_KEK_LEN); + memcpy(&rekey.kck, data->kck, WLC_KCK_LEN); + memcpy(&rekey.replay_counter, data->replay_ctr, WLC_REPLAY_CTR_LEN); + WL_INF(("Send down replay counter %x%x%x%x%x%x%x%x\n", + rekey.replay_counter[0], rekey.replay_counter[1], rekey.replay_counter[2], + rekey.replay_counter[3], rekey.replay_counter[4], rekey.replay_counter[5], + rekey.replay_counter[6], rekey.replay_counter[7])); + + err = wl_dev_bufvar_set(wl_to_ndev(wl), "wowl_replay", (s8 *)&rekey, sizeof(rekey)); + if (err) { + WL_ERR(("Error calling wowl_set_key\n")); + return err; + } + return err; +} +#endif + +static int wl_cfg80211_suspend(struct wiphy *wiphy, struct cfg80211_wowlan *wowlan) +{ + struct wl_cfg80211_priv *wl = wiphy_to_wl(wiphy); + uint wowl = 0; + s32 err; + + if (!wowlan) { + WL_DBG(("No wowlan requested\n")); + return 0; + } + if (!test_bit(WL_STATUS_CONNECTED, &wl->status)) { + WL_INF(("No wowl when not associated.\n")); + return 0; + } + + err = wl_dev_intvar_get(wl_to_ndev(wl), "wowl", &wowl); + if (err) { + WL_ERR(("Error fetching WOWL %d\n", err)); + } + if (wowlan->disconnect) { + WL_INF(("Requesting wake on Disconnect\n")); + wowl |= WL_WOWL_DIS | WL_WOWL_BCN; + } + if (wowlan->magic_pkt) { + WL_INF(("Requesting wake on Magic Pkt\n")); + wowl |= WL_WOWL_MAGIC; + } +#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 1, 0) + if (wowlan->gtk_rekey_failure) { + WL_INF(("Requesting wake GTK rekey failure Pkt\n")); + wowl |= WL_WOWL_GTK_FAILURE; + } + if (wowlan->four_way_handshake) { + WL_INF(("Requesting wake on 4way handshake request\n")); + wowl |= WL_WOWL_M1; + } +#endif + + wowl |= WL_WOWL_KEYROT; + + err = wl_dev_intvar_set(wl_to_ndev(wl), "wowl", wowl); + if (err) { + WL_ERR(("Error enabling WOWL %d\n", err)); + } + + return err; +} +#else +static int wl_cfg80211_suspend(struct wiphy *wiphy) +{ + return 0; +} +#endif + +static int wl_cfg80211_resume(struct wiphy *wiphy) +{ +#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 1, 0) + struct wl_cfg80211_priv *wl = wiphy_to_wl(wiphy); + wlc_rekey_info_t *rekey = (wlc_rekey_info_t *)wl->extra_buf; + s32 err; +#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0) + struct cfg80211_wowlan_wakeup wakeup; + int result; + + memset(&wakeup, 0, sizeof(wakeup)); + wakeup.pattern_idx = -1; + + result = wl_wowl_ind_wake_reason(wl, &wakeup); + switch (result) { + case -1: + break; + case 0: + cfg80211_report_wowlan_wakeup(wl_to_wdev(wl), NULL, GFP_KERNEL); + break; + case 1: + cfg80211_report_wowlan_wakeup(wl_to_wdev(wl), &wakeup, GFP_KERNEL); + break; + } +#endif + + err = wl_dev_bufvar_get(wl_to_ndev(wl), "wowl_replay", (s8 *)rekey, + sizeof(wlc_rekey_info_t)); + if (!err) { + WL_INF(("Send up replay counter %x%x%x%x%x%x%x%x\n", + rekey->replay_counter[0], rekey->replay_counter[1], + rekey->replay_counter[2], rekey->replay_counter[3], + rekey->replay_counter[4], rekey->replay_counter[5], + rekey->replay_counter[6], rekey->replay_counter[7])); + cfg80211_gtk_rekey_notify(wl_to_ndev(wl), (u8 *)&wl->bssid.octet, + rekey->replay_counter, GFP_KERNEL); + } +#endif + return 0; +} +#endif + +static struct cfg80211_ops wl_cfg80211_ops = { + .change_virtual_intf = wl_cfg80211_change_iface, + .scan = wl_cfg80211_scan, + .set_wiphy_params = wl_cfg80211_set_wiphy_params, + .join_ibss = wl_cfg80211_join_ibss, + .leave_ibss = wl_cfg80211_leave_ibss, + .get_station = wl_cfg80211_get_station, + .set_tx_power = wl_cfg80211_set_tx_power, + .get_tx_power = wl_cfg80211_get_tx_power, + .add_key = wl_cfg80211_add_key, + .del_key = wl_cfg80211_del_key, + .get_key = wl_cfg80211_get_key, + .set_default_key = wl_cfg80211_config_default_key, + .set_power_mgmt = wl_cfg80211_set_power_mgmt, + .connect = wl_cfg80211_connect, + .disconnect = wl_cfg80211_disconnect, +#ifdef CONFIG_PM + .suspend = wl_cfg80211_suspend, + .resume = wl_cfg80211_resume, +#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 1, 0) + .set_rekey_data = wl_cfg80211_rekey, +#endif +#endif +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 33) + .set_pmksa = wl_cfg80211_set_pmksa, + .del_pmksa = wl_cfg80211_del_pmksa, + .flush_pmksa = wl_cfg80211_flush_pmksa +#endif +}; + +#ifdef CONFIG_PM +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39) +#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0) +static const struct wiphy_wowlan_support wl_wowlan_support = { +#else +static struct wiphy_wowlan_support wl_wowlan_support = { +#endif + .flags = WIPHY_WOWLAN_MAGIC_PKT +#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 1, 0) + | WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | WIPHY_WOWLAN_GTK_REKEY_FAILURE | + WIPHY_WOWLAN_EAP_IDENTITY_REQ +#endif + | WIPHY_WOWLAN_DISCONNECT, +}; +#endif +#endif + +static s32 wl_mode_to_nl80211_iftype(s32 mode) +{ + s32 err = 0; + + switch (mode) { + case WL_MODE_BSS: + return NL80211_IFTYPE_STATION; + case WL_MODE_IBSS: + return NL80211_IFTYPE_ADHOC; + default: + return NL80211_IFTYPE_UNSPECIFIED; + } + + return err; +} + +static s32 wl_alloc_wdev(struct device *dev, struct wireless_dev **rwdev) +{ + struct wireless_dev *wdev; + s32 err = 0; + + wdev = kzalloc(sizeof(*wdev), GFP_KERNEL); + if (!wdev) { + WL_ERR(("Could not allocate wireless device\n")); + err = -ENOMEM; + goto early_out; + } + wdev->wiphy = wiphy_new(&wl_cfg80211_ops, sizeof(struct wl_cfg80211_priv)); + if (!wdev->wiphy) { + WL_ERR(("Couldn not allocate wiphy device\n")); + err = -ENOMEM; + goto wiphy_new_out; + } + set_wiphy_dev(wdev->wiphy, dev); + wdev->wiphy->max_scan_ssids = WL_NUM_SCAN_MAX; +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 33) + wdev->wiphy->max_num_pmkids = WL_NUM_PMKIDS_MAX; +#endif + wdev->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_ADHOC); + wdev->wiphy->bands[IEEE80211_BAND_2GHZ] = &__wl_band_2ghz; + wdev->wiphy->bands[IEEE80211_BAND_5GHZ] = &__wl_band_5ghz_a; + wdev->wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; + wdev->wiphy->cipher_suites = __wl_cipher_suites; + wdev->wiphy->n_cipher_suites = ARRAY_SIZE(__wl_cipher_suites); +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 33) + + wdev->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; +#endif + +#ifdef CONFIG_PM +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39) +#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0) + wdev->wiphy->wowlan = &wl_wowlan_support; +#else + wdev->wiphy->wowlan = wl_wowlan_support; +#endif +#endif +#endif + + err = wiphy_register(wdev->wiphy); + if (err < 0) { + WL_ERR(("Couldn not register wiphy device (%d)\n", err)); + goto wiphy_register_out; + } + + *rwdev = wdev; + return err; + +wiphy_register_out: + wiphy_free(wdev->wiphy); + +wiphy_new_out: + kfree(wdev); + +early_out: + *rwdev = wdev; + return err; +} + +static void wl_free_wdev(struct wl_cfg80211_priv *wl) +{ + struct wireless_dev *wdev = wl_to_wdev(wl); + + if (!wdev) { + WL_ERR(("wdev is invalid\n")); + return; + } + wiphy_unregister(wdev->wiphy); + wiphy_free(wdev->wiphy); + kfree(wdev); + wl_to_wdev(wl) = NULL; +} + +static s32 wl_inform_bss(struct wl_cfg80211_priv *wl, struct wl_scan_results *bss_list) +{ + struct wl_bss_info *bi = NULL; + s32 err = 0; + int i; + + if (bss_list->version != WL_BSS_INFO_VERSION) { + WL_ERR(("Version %d != WL_BSS_INFO_VERSION\n", bss_list->version)); + return -EOPNOTSUPP; + } + WL_DBG(("scanned AP count (%d)\n", bss_list->count)); + bi = next_bss(bss_list, bi); + for_each_bss(bss_list, bi, i) { + err = wl_inform_single_bss(wl, bi); + if (err) + break; + } + return err; +} + +static s32 wl_inform_single_bss(struct wl_cfg80211_priv *wl, struct wl_bss_info *bi) +{ + struct wiphy *wiphy = wl_to_wiphy(wl); + struct ieee80211_mgmt *mgmt; + struct ieee80211_channel *channel; + struct wl_cfg80211_bss_info *notif_bss_info; + struct wl_cfg80211_scan_req *sr = wl_to_sr(wl); + struct beacon_proberesp *beacon_proberesp; + struct cfg80211_bss *cbss = NULL; + s32 mgmt_type; + u32 signal; + u32 freq; + s32 err = 0; + u8 *notify_ie; + size_t notify_ielen; + + if (dtoh32(bi->length) > WL_BSS_INFO_MAX) { + WL_DBG(("Beacon is larger than buffer. Discarding\n")); + return err; + } + notif_bss_info = kzalloc(sizeof(*notif_bss_info) + sizeof(*mgmt) - sizeof(u8) + + WL_BSS_INFO_MAX, GFP_KERNEL); + if (!notif_bss_info) { + WL_ERR(("notif_bss_info alloc failed\n")); + return -ENOMEM; + } + mgmt = (struct ieee80211_mgmt *)notif_bss_info->frame_buf; + notif_bss_info->channel = bi->ctl_ch ? bi->ctl_ch : CHSPEC_CHANNEL(bi->chanspec); + + notif_bss_info->rssi = bi->RSSI; + memcpy(mgmt->bssid, &bi->BSSID, ETHER_ADDR_LEN); + mgmt_type = wl->active_scan ? IEEE80211_STYPE_PROBE_RESP : IEEE80211_STYPE_BEACON; + if (!memcmp(bi->SSID, sr->ssid.SSID, bi->SSID_len)) { + mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | mgmt_type); + } + beacon_proberesp = wl->active_scan ? (struct beacon_proberesp *)&mgmt->u.probe_resp : + (struct beacon_proberesp *)&mgmt->u.beacon; + beacon_proberesp->timestamp = 0; + beacon_proberesp->beacon_int = cpu_to_le16(bi->beacon_period); + beacon_proberesp->capab_info = cpu_to_le16(bi->capability); + wl_rst_ie(wl); + + wl_mrg_ie(wl, ((u8 *) bi) + bi->ie_offset, bi->ie_length); + wl_cp_ie(wl, beacon_proberesp->variable, WL_BSS_INFO_MAX - + offsetof(struct wl_cfg80211_bss_info, frame_buf)); + notif_bss_info->frame_len = offsetof(struct ieee80211_mgmt, u.beacon.variable) + + wl_get_ielen(wl); +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39) + freq = ieee80211_channel_to_frequency(notif_bss_info->channel, + (notif_bss_info->channel <= CH_MAX_2G_CHANNEL) ? + IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ); +#else + freq = ieee80211_channel_to_frequency(notif_bss_info->channel); +#endif + if (freq == 0) { + WL_ERR(("Invalid channel, fail to chcnage channel to freq\n")); + kfree(notif_bss_info); + return -EINVAL; + } + channel = ieee80211_get_channel(wiphy, freq); + if (unlikely(!channel)) { + WL_ERR(("ieee80211_get_channel error\n")); + kfree(notif_bss_info); + return -EINVAL; + } + + WL_DBG(("SSID : \"%s\", rssi %d, channel %d, capability : 0x04%x, bssid %pM\n", + bi->SSID, notif_bss_info->rssi, notif_bss_info->channel, + mgmt->u.beacon.capab_info, &bi->BSSID)); + + signal = notif_bss_info->rssi * 100; + cbss = cfg80211_inform_bss_frame(wiphy, channel, mgmt, + le16_to_cpu(notif_bss_info->frame_len), signal, GFP_KERNEL); + if (unlikely(!cbss)) { + WL_ERR(("cfg80211_inform_bss_frame error\n")); + kfree(notif_bss_info); + return -EINVAL; + } + + notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset); + notify_ielen = le32_to_cpu(bi->ie_length); +#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 18, 0) + cbss = cfg80211_inform_bss(wiphy, channel, (const u8 *)(bi->BSSID.octet), + 0, beacon_proberesp->capab_info, beacon_proberesp->beacon_int, + (const u8 *)notify_ie, notify_ielen, signal, GFP_KERNEL); +#else + cbss = cfg80211_inform_bss(wiphy, channel, CFG80211_BSS_FTYPE_UNKNOWN, (const u8 *)(bi->BSSID.octet), + 0, beacon_proberesp->capab_info, beacon_proberesp->beacon_int, + (const u8 *)notify_ie, notify_ielen, signal, GFP_KERNEL); +#endif + + if (unlikely(!cbss)) + return -ENOMEM; + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0) + cfg80211_put_bss(wiphy, cbss); +#else + cfg80211_put_bss(cbss); +#endif + + kfree(notif_bss_info); + + return err; +} + +static s32 +wl_notify_connect_status(struct wl_cfg80211_priv *wl, struct net_device *ndev, + const wl_event_msg_t *e, void *data) +{ + s32 err = 0; + u32 event = EVENT_TYPE(e); + u16 flags = EVENT_FLAGS(e); + u32 status = EVENT_STATUS(e); +#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0) + struct ieee80211_channel *channel = NULL; + struct wiphy *wiphy; + u32 chanspec, chan; + u32 freq, band; +#endif + + WL_DBG(("\n")); + + if (!wl_is_ibssmode(wl)) { + if (event == WLC_E_LINK && (flags & WLC_EVENT_MSG_LINK)) { + wl_link_up(wl); + wl_bss_connect_done(wl, ndev, e, data, true); + wl->profile->active = true; + } + else if ((event == WLC_E_LINK && ~(flags & WLC_EVENT_MSG_LINK)) || + event == WLC_E_DEAUTH_IND || event == WLC_E_DISASSOC_IND) { +#if LINUX_VERSION_CODE < KERNEL_VERSION(4,2,0) + cfg80211_disconnected(ndev, 0, NULL, 0, GFP_KERNEL); +#else + cfg80211_disconnected(ndev, 0, NULL, 0, false, GFP_KERNEL); +#endif + clear_bit(WL_STATUS_CONNECTED, &wl->status); + wl_link_down(wl); + wl_init_prof(wl->profile); + } + else if (event == WLC_E_SET_SSID && status == WLC_E_STATUS_NO_NETWORKS) { + wl_bss_connect_done(wl, ndev, e, data, false); + } + else { + WL_DBG(("no action (BSS mode)\n")); + } + } + else { + if (event == WLC_E_JOIN) { + WL_DBG(("joined in IBSS network\n")); + } + if (event == WLC_E_START) { + WL_DBG(("started IBSS network\n")); + } + if (event == WLC_E_JOIN || event == WLC_E_START) { + wl_link_up(wl); + wl_get_assoc_ies(wl); + memcpy(&wl->bssid, &e->addr, ETHER_ADDR_LEN); + wl_update_bss_info(wl); +#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0) + wiphy = wl_to_wiphy(wl); + err = wl_dev_intvar_get(ndev, "chanspec", &chanspec); + if (err) { + WL_ERR(("Could not get chanspec, err %d\n", err)); + return err; + } + chan = wf_chspec_ctlchan(chanspec); + band = (chan <= CH_MAX_2G_CHANNEL) ? IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ; + freq = ieee80211_channel_to_frequency(chan, band); + channel = ieee80211_get_channel(wiphy, freq); + cfg80211_ibss_joined(ndev, (u8 *)&wl->bssid, channel, GFP_KERNEL); +#else + cfg80211_ibss_joined(ndev, (u8 *)&wl->bssid, GFP_KERNEL); +#endif + set_bit(WL_STATUS_CONNECTED, &wl->status); + wl->profile->active = true; + } + else if ((event == WLC_E_LINK && ~(flags & WLC_EVENT_MSG_LINK)) || + event == WLC_E_DEAUTH_IND || event == WLC_E_DISASSOC_IND) { + clear_bit(WL_STATUS_CONNECTED, &wl->status); + wl_link_down(wl); + wl_init_prof(wl->profile); + } + else if (event == WLC_E_SET_SSID && status == WLC_E_STATUS_NO_NETWORKS) { + WL_DBG(("no action - join fail (IBSS mode)\n")); + } + else { + WL_DBG(("no action (IBSS mode)\n")); + } + } + + return err; +} + +static s32 +wl_notify_roaming_status(struct wl_cfg80211_priv *wl, struct net_device *ndev, + const wl_event_msg_t *e, void *data) +{ + s32 err = 0; + u32 status = EVENT_STATUS(e); + + WL_DBG(("\n")); + + if (status == WLC_E_STATUS_SUCCESS) { + err = wl_bss_roaming_done(wl, ndev, e, data); + wl->profile->active = true; + } + + return err; +} + +static __used s32 +wl_dev_bufvar_set(struct net_device *dev, s8 *name, s8 *buf, s32 len) +{ + struct wl_cfg80211_priv *wl = ndev_to_wl(dev); + u32 buflen; + + buflen = bcm_mkiovar(name, buf, len, wl->ioctl_buf, WL_IOCTL_LEN_MAX); + BUG_ON(!buflen); + + return wl_dev_ioctl(dev, WLC_SET_VAR, wl->ioctl_buf, buflen); +} + +static s32 +wl_dev_bufvar_get(struct net_device *dev, s8 *name, s8 *buf, s32 buf_len) +{ + struct wl_cfg80211_priv *wl = ndev_to_wl(dev); + u32 len; + s32 err = 0; + + len = bcm_mkiovar(name, NULL, 0, wl->ioctl_buf, WL_IOCTL_LEN_MAX); + BUG_ON(!len); + err = wl_dev_ioctl(dev, WLC_GET_VAR, (void *)wl->ioctl_buf, WL_IOCTL_LEN_MAX); + if (err) { + WL_INF(("error (%d)\n", err)); + return err; + } + memcpy(buf, wl->ioctl_buf, buf_len); + + return err; +} + +static s32 wl_get_assoc_ies(struct wl_cfg80211_priv *wl) +{ + struct net_device *ndev = wl_to_ndev(wl); + struct wl_cfg80211_assoc_ielen *assoc_info; + struct wl_cfg80211_connect_info *conn_info = wl_to_conn(wl); + u32 req_len; + u32 resp_len; + s32 err = 0; + + err = wl_dev_bufvar_get(ndev, "assoc_info", wl->extra_buf, WL_ASSOC_INFO_MAX); + if (err) { + WL_ERR(("could not get assoc info (%d)\n", err)); + return err; + } + assoc_info = (struct wl_cfg80211_assoc_ielen *)wl->extra_buf; + req_len = assoc_info->req_len; + resp_len = assoc_info->resp_len; + if (req_len) { + err = wl_dev_bufvar_get(ndev, "assoc_req_ies", wl->extra_buf, WL_ASSOC_INFO_MAX); + if (err) { + WL_ERR(("could not get assoc req (%d)\n", err)); + return err; + } + conn_info->req_ie_len = req_len; + conn_info->req_ie = + kmemdup(wl->extra_buf, conn_info->req_ie_len, GFP_KERNEL); + } else { + conn_info->req_ie_len = 0; + conn_info->req_ie = NULL; + } + if (resp_len) { + err = wl_dev_bufvar_get(ndev, "assoc_resp_ies", wl->extra_buf, WL_ASSOC_INFO_MAX); + if (err) { + WL_ERR(("could not get assoc resp (%d)\n", err)); + return err; + } + conn_info->resp_ie_len = resp_len; + conn_info->resp_ie = + kmemdup(wl->extra_buf, conn_info->resp_ie_len, GFP_KERNEL); + } else { + conn_info->resp_ie_len = 0; + conn_info->resp_ie = NULL; + } + WL_DBG(("req len (%d) resp len (%d)\n", conn_info->req_ie_len, + conn_info->resp_ie_len)); + + return err; +} + +static void wl_ch_to_chanspec(struct ieee80211_channel *chan, struct wl_join_params *join_params, + size_t *join_params_size) +{ + chanspec_t chanspec = 0; + + if (chan) { + join_params->params.chanspec_num = 1; + join_params->params.chanspec_list[0] = + ieee80211_frequency_to_channel(chan->center_freq); + + if (chan->band == IEEE80211_BAND_2GHZ) { + chanspec |= WL_CHANSPEC_BAND_2G; + } + else if (chan->band == IEEE80211_BAND_5GHZ) { + chanspec |= WL_CHANSPEC_BAND_5G; + } + else { + WL_ERR(("Unknown band\n")); + BUG(); + } + + chanspec |= WL_CHANSPEC_BW_20; + + *join_params_size += WL_ASSOC_PARAMS_FIXED_SIZE + + join_params->params.chanspec_num * sizeof(chanspec_t); + + join_params->params.chanspec_list[0] &= WL_CHANSPEC_CHAN_MASK; + join_params->params.chanspec_list[0] |= chanspec; + join_params->params.chanspec_list[0] = + htodchanspec(join_params->params.chanspec_list[0]); + + join_params->params.chanspec_num = htod32(join_params->params.chanspec_num); + + WL_DBG(("join_params->params.chanspec_list[0]= %#X, channel %d, chanspec %#X\n", + join_params->params.chanspec_list[0], + join_params->params.chanspec_list[0], chanspec)); + } +} + +static s32 wl_update_bss_info(struct wl_cfg80211_priv *wl) +{ +#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0) + struct wiphy *wiphy = wl_to_wiphy(wl); +#endif + struct cfg80211_bss *bss; + struct wl_bss_info *bi; + struct wlc_ssid *ssid; + struct bcm_tlv *tim; + s32 dtim_period; + size_t ie_len; + u8 *ie; + s32 err = 0; + + ssid = &wl->profile->ssid; + bss = cfg80211_get_bss(wl_to_wiphy(wl), NULL, (s8 *)&wl->bssid, + ssid->SSID, ssid->SSID_len, WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS); + + rtnl_lock(); + if (!bss) { + WL_DBG(("Could not find the AP\n")); + *(u32 *) wl->extra_buf = htod32(WL_EXTRA_BUF_MAX); + err = wl_dev_ioctl(wl_to_ndev(wl), WLC_GET_BSS_INFO, wl->extra_buf, + WL_EXTRA_BUF_MAX); + if (err) { + WL_ERR(("Could not get bss info %d\n", err)); + goto update_bss_info_out; + } + bi = (struct wl_bss_info *)(wl->extra_buf + 4); + if (memcmp(&bi->BSSID, &wl->bssid, ETHER_ADDR_LEN)) { + err = -EIO; + goto update_bss_info_out; + } + err = wl_inform_single_bss(wl, bi); + if (err) + goto update_bss_info_out; + + ie = ((u8 *)bi) + bi->ie_offset; + ie_len = bi->ie_length; + } else { + WL_DBG(("Found the AP in the list - BSSID %pM\n", bss->bssid)); +#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 8, 0) + ie = (u8 *)(bss->ies->data); + ie_len = bss->ies->len; +#else + ie = bss->information_elements; + ie_len = bss->len_information_elements; +#endif + wl->conf->channel = *bss->channel; +#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0) + cfg80211_put_bss(wiphy, bss); +#else + cfg80211_put_bss(bss); +#endif + } + + tim = bcm_parse_tlvs(ie, ie_len, WLAN_EID_TIM); + if (tim) { + dtim_period = tim->data[1]; + } else { + + err = wl_dev_ioctl(wl_to_ndev(wl), WLC_GET_DTIMPRD, + &dtim_period, sizeof(dtim_period)); + if (err) { + WL_ERR(("WLC_GET_DTIMPRD error (%d)\n", err)); + goto update_bss_info_out; + } + } + +update_bss_info_out: + rtnl_unlock(); + return err; +} + +static s32 +wl_bss_roaming_done(struct wl_cfg80211_priv *wl, struct net_device *ndev, + const wl_event_msg_t *e, void *data) +{ + struct wl_cfg80211_connect_info *conn_info = wl_to_conn(wl); + s32 err = 0; + + wl_get_assoc_ies(wl); + memcpy(wl->profile->bssid, &e->addr, ETHER_ADDR_LEN); + memcpy(&wl->bssid, &e->addr, ETHER_ADDR_LEN); + wl_update_bss_info(wl); + cfg80211_roamed(ndev, +#if LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 39) + &wl->conf->channel, +#endif + (u8 *)&wl->bssid, + conn_info->req_ie, conn_info->req_ie_len, + conn_info->resp_ie, conn_info->resp_ie_len, GFP_KERNEL); + WL_DBG(("Report roaming result\n")); + + set_bit(WL_STATUS_CONNECTED, &wl->status); + + return err; +} + +static s32 +wl_bss_connect_done(struct wl_cfg80211_priv *wl, struct net_device *ndev, + const wl_event_msg_t *e, void *data, bool completed) +{ + struct wl_cfg80211_connect_info *conn_info = wl_to_conn(wl); + s32 err = 0; + + if (wl->scan_request) { + WL_DBG(("%s: Aborting scan\n", __FUNCTION__)); + cfg80211_scan_done(wl->scan_request, true); + wl->scan_request = NULL; + } + + if (test_and_clear_bit(WL_STATUS_CONNECTING, &wl->status)) { + if (completed) { + wl_get_assoc_ies(wl); + memcpy(&wl->bssid, &e->addr, ETHER_ADDR_LEN); + memcpy(wl->profile->bssid, &e->addr, ETHER_ADDR_LEN); + wl_update_bss_info(wl); + set_bit(WL_STATUS_CONNECTED, &wl->status); + } + + WL_DBG(("Reporting BSS network join result \"%s\"\n", + wl->profile->ssid.SSID)); + cfg80211_connect_result(ndev, (u8 *)&wl->bssid, conn_info->req_ie, + conn_info->req_ie_len, conn_info->resp_ie, conn_info->resp_ie_len, + completed ? WLAN_STATUS_SUCCESS : WLAN_STATUS_AUTH_TIMEOUT, GFP_KERNEL); + WL_DBG(("Connection %s\n", completed ? "Succeeded" : "FAILed")); + } + + return err; +} + +static s32 +wl_notify_mic_status(struct wl_cfg80211_priv *wl, struct net_device *ndev, + const wl_event_msg_t *e, void *data) +{ + u16 flags = EVENT_FLAGS(e); + enum nl80211_key_type key_type; + + WL_DBG(("\n")); + + rtnl_lock(); + if (flags & WLC_EVENT_MSG_GROUP) + key_type = NL80211_KEYTYPE_GROUP; + else + key_type = NL80211_KEYTYPE_PAIRWISE; + + cfg80211_michael_mic_failure(ndev, (u8 *)&e->addr, key_type, -1, NULL, GFP_KERNEL); + rtnl_unlock(); + + return 0; +} + +static s32 +wl_notify_scan_status(struct wl_cfg80211_priv *wl, struct net_device *ndev, + const wl_event_msg_t *e, void *data) +{ + struct channel_info channel_inform; + struct wl_scan_results *bss_list; + u32 buflen; + s32 err = 0; + + WL_DBG(("\n")); + + rtnl_lock(); + err = wl_dev_ioctl(ndev, WLC_GET_CHANNEL, &channel_inform, sizeof(channel_inform)); + if (err) { + WL_ERR(("scan busy (%d)\n", err)); + goto scan_done_out; + } + channel_inform.scan_channel = dtoh32(channel_inform.scan_channel); + if (channel_inform.scan_channel) { + + WL_DBG(("channel_inform.scan_channel (%d)\n", channel_inform.scan_channel)); + } + + for (buflen = WL_SCAN_BUF_BASE; ; ) { + bss_list = (struct wl_scan_results *) kmalloc(buflen, GFP_KERNEL); + if (!bss_list) { + WL_ERR(("%s Out of memory for scan results, (%d)\n", ndev->name, err)); + goto scan_done_out; + } + memset(bss_list, 0, buflen); + bss_list->buflen = htod32(buflen); + err = wl_dev_ioctl(ndev, WLC_SCAN_RESULTS, bss_list, buflen); + if (!err) { + break; + } + else if (err == -E2BIG) { + kfree(bss_list); + buflen *= 2; + } + else { + WL_ERR(("%s Scan_results error (%d)\n", ndev->name, err)); + kfree(bss_list); + err = -EINVAL; + goto scan_done_out; + } + } + + bss_list->buflen = dtoh32(bss_list->buflen); + bss_list->version = dtoh32(bss_list->version); + bss_list->count = dtoh32(bss_list->count); + + err = wl_inform_bss(wl, bss_list); + kfree(bss_list); + +scan_done_out: + if (wl->scan_request) { + cfg80211_scan_done(wl->scan_request, false); + wl->scan_request = NULL; + } + rtnl_unlock(); + return err; +} + +static void wl_init_conf(struct wl_cfg80211_conf *conf) +{ + conf->mode = (u32)-1; + conf->frag_threshold = (u32)-1; + conf->rts_threshold = (u32)-1; + conf->retry_short = (u32)-1; + conf->retry_long = (u32)-1; + conf->tx_power = -1; +} + +static void wl_init_prof(struct wl_cfg80211_profile *prof) +{ + memset(prof, 0, sizeof(*prof)); +} + +static void wl_init_eloop_handler(struct wl_cfg80211_event_loop *el) +{ + memset(el, 0, sizeof(*el)); + el->handler[WLC_E_SCAN_COMPLETE] = wl_notify_scan_status; + el->handler[WLC_E_JOIN] = wl_notify_connect_status; + el->handler[WLC_E_START] = wl_notify_connect_status; + el->handler[WLC_E_LINK] = wl_notify_connect_status; + el->handler[WLC_E_NDIS_LINK] = wl_notify_connect_status; + el->handler[WLC_E_SET_SSID] = wl_notify_connect_status; + el->handler[WLC_E_DISASSOC_IND] = wl_notify_connect_status; + el->handler[WLC_E_DEAUTH_IND] = wl_notify_connect_status; + el->handler[WLC_E_ROAM] = wl_notify_roaming_status; + el->handler[WLC_E_MIC_ERROR] = wl_notify_mic_status; +} + +static s32 wl_init_priv_mem(struct wl_cfg80211_priv *wl) +{ + wl->conf = (void *)kzalloc(sizeof(*wl->conf), GFP_KERNEL); + if (!wl->conf) { + WL_ERR(("wl_cfg80211_conf alloc failed\n")); + goto init_priv_mem_out; + } + wl->profile = (void *)kzalloc(sizeof(*wl->profile), GFP_KERNEL); + if (!wl->profile) { + WL_ERR(("wl_cfg80211_profile alloc failed\n")); + goto init_priv_mem_out; + } + wl->scan_req_int = (void *)kzalloc(sizeof(*wl->scan_req_int), GFP_KERNEL); + if (!wl->scan_req_int) { + WL_ERR(("Scan req alloc failed\n")); + goto init_priv_mem_out; + } + wl->ioctl_buf = (void *)kzalloc(WL_IOCTL_LEN_MAX, GFP_KERNEL); + if (!wl->ioctl_buf) { + WL_ERR(("Ioctl buf alloc failed\n")); + goto init_priv_mem_out; + } + wl->extra_buf = (void *)kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL); + if (!wl->extra_buf) { + WL_ERR(("Extra buf alloc failed\n")); + goto init_priv_mem_out; + } + + wl->pmk_list = (void *)kzalloc(sizeof(*wl->pmk_list), GFP_KERNEL); + if (!wl->pmk_list) { + WL_ERR(("pmk list alloc failed\n")); + goto init_priv_mem_out; + } + + return 0; + +init_priv_mem_out: + wl_deinit_priv_mem(wl); + + return -ENOMEM; +} + +static void wl_deinit_priv_mem(struct wl_cfg80211_priv *wl) +{ + kfree(wl->conf); + wl->conf = NULL; + kfree(wl->profile); + wl->profile = NULL; + kfree(wl->scan_req_int); + wl->scan_req_int = NULL; + kfree(wl->ioctl_buf); + wl->ioctl_buf = NULL; + kfree(wl->extra_buf); + wl->extra_buf = NULL; + kfree(wl->pmk_list); + wl->pmk_list = NULL; +} + +static s32 wl_create_event_handler(struct wl_cfg80211_priv *wl) +{ + sema_init(&wl->event_sync, 0); + wl->event_tsk = kthread_run(wl_event_handler, wl, "wl_event_handler"); + if (IS_ERR(wl->event_tsk)) { + wl->event_tsk = NULL; + WL_ERR(("failed to create event thread\n")); + return -ENOMEM; + } + return 0; +} + +static void wl_destroy_event_handler(struct wl_cfg80211_priv *wl) +{ + if (wl->event_tsk) { + send_sig(SIGTERM, wl->event_tsk, 1); + kthread_stop(wl->event_tsk); + wl->event_tsk = NULL; + } +} + +static s32 wl_init_cfg80211_priv(struct wl_cfg80211_priv *wl, struct wireless_dev *wdev) +{ + s32 err = 0; + + wl->wdev = wdev; + + wl->scan_request = NULL; + wl->active_scan = true; + wl_init_eq(wl); + err = wl_init_priv_mem(wl); + if (err) + return err; + + if (wl_create_event_handler(wl)) + return -ENOMEM; + + wl_init_eloop_handler(&wl->el); + + if (err) + return err; + + wl_init_conf(wl->conf); + wl_init_prof(wl->profile); + wl_link_down(wl); + + return err; +} + +static void wl_deinit_cfg80211_priv(struct wl_cfg80211_priv *wl) +{ + wl_destroy_event_handler(wl); + wl_flush_eq(wl); + wl_link_down(wl); + wl_deinit_priv_mem(wl); +} + +s32 wl_cfg80211_attach(struct net_device *ndev, struct device *dev, int passive) +{ + struct wireless_dev *wdev; + struct wl_cfg80211_priv *wl; + s32 err = 0; + + if (!ndev) { + WL_ERR(("ndev is invaild\n")); + return -ENODEV; + } + + err = wl_alloc_wdev(dev, &wdev); + if (err < 0) { + return err; + } + + wdev->iftype = wl_mode_to_nl80211_iftype(WL_MODE_BSS); + wl = wdev_to_wl(wdev); + ndev->ieee80211_ptr = wdev; + SET_NETDEV_DEV(ndev, wiphy_dev(wdev->wiphy)); + wdev->netdev = ndev; + err = wl_init_cfg80211_priv(wl, wdev); + if (err) { + WL_ERR(("Failed to init iwm_priv (%d)\n", err)); + goto cfg80211_attach_out; + } + wl->passive = !!passive; + + if (!err) { + WL_INF(("Registered CFG80211 phy\n")); + } + return err; + +cfg80211_attach_out: + wl_free_wdev(wl); + return err; +} + +void wl_cfg80211_detach(struct net_device *ndev) +{ + struct wl_cfg80211_priv *wl; + + if (ndev->ieee80211_ptr == NULL) { + WL_ERR(( "NULL ndev->ieee80211ptr, unable to deref wl\n")); + return; + } + wl = ndev_to_wl(ndev); + + wl_deinit_cfg80211_priv(wl); + wl_free_wdev(wl); +} + +static void wl_wakeup_event(struct wl_cfg80211_priv *wl) +{ + up(&wl->event_sync); +} + +static s32 wl_event_handler(void *data) +{ + struct wl_cfg80211_priv *wl = (struct wl_cfg80211_priv *)data; + struct wl_cfg80211_event_q *e; + + allow_signal(SIGTERM); + while (!down_interruptible(&wl->event_sync)) { + if (kthread_should_stop()) + break; + e = wl_deq_event(wl); + if (!e) { + WL_ERR(("eqeue empty..\n")); + BUG(); + } + if (wl->el.handler[e->etype]) { + WL_DBG(("event type (%d)\n", e->etype)); + wl->el.handler[e->etype] (wl, wl_to_ndev(wl), &e->emsg, e->edata); + } else { + WL_DBG(("Unknown Event (%d): ignoring\n", e->etype)); + } + wl_put_event(e); + } + WL_DBG(("%s was terminated\n", __func__)); + return 0; +} + +void +wl_cfg80211_event(struct net_device *ndev, const wl_event_msg_t * e, void *data) +{ + + u32 event_type = EVENT_TYPE(e); + + struct wl_cfg80211_priv *wl = ndev_to_wl(ndev); +#if defined(WL_DBGMSG_ENABLE) + s8 *estr = (event_type <= sizeof(wl_dbg_estr) / WL_DBG_ESTR_MAX - 1) ? + wl_dbg_estr[event_type] : (s8 *) "Unknown"; + WL_DBG(("event_type (%d):" "WLC_E_" "%s\n", event_type, estr)); +#endif + if (!wl_enq_event(wl, event_type, e, data)) + wl_wakeup_event(wl); +} + +static void wl_init_eq(struct wl_cfg80211_priv *wl) +{ + wl_init_eq_lock(wl); + INIT_LIST_HEAD(&wl->eq_list); +} + +static void wl_flush_eq(struct wl_cfg80211_priv *wl) +{ + struct wl_cfg80211_event_q *e; + + wl_lock_eq(wl); + while (!list_empty(&wl->eq_list)) { + e = list_first_entry(&wl->eq_list, struct wl_cfg80211_event_q, eq_list); + list_del(&e->eq_list); + kfree(e); + } + wl_unlock_eq(wl); +} + +static struct wl_cfg80211_event_q *wl_deq_event(struct wl_cfg80211_priv *wl) +{ + struct wl_cfg80211_event_q *e = NULL; + + wl_lock_eq(wl); + if (!list_empty(&wl->eq_list)) { + e = list_first_entry(&wl->eq_list, struct wl_cfg80211_event_q, eq_list); + list_del(&e->eq_list); + } + wl_unlock_eq(wl); + + return e; +} + +static s32 +wl_enq_event(struct wl_cfg80211_priv *wl, u32 event, const wl_event_msg_t *msg, void *data) +{ + struct wl_cfg80211_event_q *e; + s32 err = 0; + + e = kzalloc(sizeof(struct wl_cfg80211_event_q), GFP_ATOMIC); + if (!e) { + WL_ERR(("event alloc failed\n")); + return -ENOMEM; + } + + e->etype = event; + memcpy(&e->emsg, msg, sizeof(wl_event_msg_t)); + if (data) { + } + + spin_lock(&wl->eq_lock); + list_add_tail(&e->eq_list, &wl->eq_list); + spin_unlock(&wl->eq_lock); + + return err; +} + +static void wl_put_event(struct wl_cfg80211_event_q *e) +{ + kfree(e); +} + +static s32 wl_set_mode(struct net_device *ndev, s32 iftype) +{ + s32 infra = 0; + s32 ap = 0; + s32 err = 0; + + switch (iftype) { + case NL80211_IFTYPE_MONITOR: + case NL80211_IFTYPE_WDS: + WL_ERR(("type (%d) : currently we do not support this mode\n", + iftype)); + err = -EINVAL; + return err; + case NL80211_IFTYPE_ADHOC: + break; + case NL80211_IFTYPE_STATION: + infra = 1; + break; + default: + err = -EINVAL; + WL_ERR(("invalid type (%d)\n", iftype)); + return err; + } + infra = htod32(infra); + ap = htod32(ap); + WL_DBG(("%s ap (%d), infra (%d)\n", ndev->name, ap, infra)); + err = wl_dev_ioctl(ndev, WLC_SET_INFRA, &infra, sizeof(infra)); + if (err) { + WL_ERR(("WLC_SET_INFRA error (%d)\n", err)); + return err; + } + err = wl_dev_ioctl(ndev, WLC_SET_AP, &ap, sizeof(ap)); + if (err) { + WL_ERR(("WLC_SET_AP error (%d)\n", err)); + return err; + } + + return 0; +} + +static void wl_update_wowl(struct net_device *ndev) +{ +#ifdef CONFIG_PM + struct wl_cfg80211_priv *wl = ndev_to_wl(ndev); + struct wireless_dev *wdev = ndev->ieee80211_ptr; + s32 offloads = 0; + s32 err = 0; + err = wl_dev_bufvar_get(wl_to_ndev(wl), "offloads", + (s8 *)&offloads, sizeof(offloads)); + if (err == 0 && offloads == 1) { + WL_INF(("Supports offloads\n")); + wl->offloads = true; + } else { + WL_INF(("No offloads supported\n")); + wl->offloads = false; +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39) +#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0) + wdev->wiphy->wowlan = NULL; +#else + memset(&wdev->wiphy->wowlan, 0, sizeof(struct wiphy_wowlan_support)); +#endif +#endif + } +#endif +} + +static s32 wl_update_wiphybands(struct wl_cfg80211_priv *wl) +{ + struct wiphy *wiphy; + s32 phy_list; + s8 phy; + s32 err = 0; + + err = wl_dev_ioctl(wl_to_ndev(wl), WLC_GET_PHYLIST, &phy_list, sizeof(phy_list)); + if (err) { + WL_ERR(("error (%d)\n", err)); + return err; + } + + phy = ((char *)&phy_list)[0]; + WL_DBG(("%c phy\n", phy)); + + if (phy == 'n' || phy == 'a' || phy == 'v') { + wiphy = wl_to_wiphy(wl); + wiphy->bands[IEEE80211_BAND_5GHZ] = &__wl_band_5ghz_n; + } + + return err; +} + +s32 wl_cfg80211_up(struct net_device *ndev) +{ + struct wl_cfg80211_priv *wl = ndev_to_wl(ndev); + s32 err = 0; + struct wireless_dev *wdev = ndev->ieee80211_ptr; + + wl_set_mode(ndev, wdev->iftype); + err = wl_update_wiphybands(wl); + if (err) { + return err; + } + + wl_update_wowl(ndev); + return 0; +} + +s32 wl_cfg80211_down(struct net_device *ndev) +{ + struct wl_cfg80211_priv *wl = ndev_to_wl(ndev); + s32 err = 0; + + if (wl->scan_request) { + cfg80211_scan_done(wl->scan_request, true); + wl->scan_request = NULL; + } + + return err; +} + +static bool wl_is_ibssmode(struct wl_cfg80211_priv *wl) +{ + return wl->conf->mode == WL_MODE_IBSS; +} + +static void wl_rst_ie(struct wl_cfg80211_priv *wl) +{ + struct wl_cfg80211_ie *ie = wl_to_ie(wl); + + ie->offset = 0; +} + +static __used s32 wl_add_ie(struct wl_cfg80211_priv *wl, u8 t, u8 l, u8 *v) +{ + struct wl_cfg80211_ie *ie = wl_to_ie(wl); + s32 err = 0; + + if (ie->offset + l + 2 > WL_TLV_INFO_MAX) { + WL_ERR(("ei crosses buffer boundary\n")); + return -ENOSPC; + } + ie->buf[ie->offset] = t; + ie->buf[ie->offset + 1] = l; + memcpy(&ie->buf[ie->offset + 2], v, l); + ie->offset += l + 2; + + return err; +} + +static s32 wl_mrg_ie(struct wl_cfg80211_priv *wl, u8 *ie_stream, u16 ie_size) +{ + struct wl_cfg80211_ie *ie = wl_to_ie(wl); + s32 err = 0; + + if (ie->offset + ie_size > WL_TLV_INFO_MAX) { + WL_ERR(("ei_stream crosses buffer boundary\n")); + return -ENOSPC; + } + memcpy(&ie->buf[ie->offset], ie_stream, ie_size); + ie->offset += ie_size; + + return err; +} + +static s32 wl_cp_ie(struct wl_cfg80211_priv *wl, u8 *dst, u16 dst_size) +{ + struct wl_cfg80211_ie *ie = wl_to_ie(wl); + s32 err = 0; + + if (ie->offset > dst_size) { + WL_ERR(("dst_size is not enough\n")); + return -ENOSPC; + } + memcpy(dst, &ie->buf[0], ie->offset); + + return err; +} + +static u32 wl_get_ielen(struct wl_cfg80211_priv *wl) +{ + struct wl_cfg80211_ie *ie = wl_to_ie(wl); + + return ie->offset; +} + +static void wl_link_up(struct wl_cfg80211_priv *wl) +{ + WL_DBG(("\n")); +} + +static void wl_link_down(struct wl_cfg80211_priv *wl) +{ + struct wl_cfg80211_connect_info *conn_info = wl_to_conn(wl); + + WL_DBG(("\n")); + + kfree(conn_info->req_ie); + conn_info->req_ie = NULL; + conn_info->req_ie_len = 0; + kfree(conn_info->resp_ie); + conn_info->resp_ie = NULL; + conn_info->resp_ie_len = 0; +} + +static void wl_lock_eq(struct wl_cfg80211_priv *wl) +{ + spin_lock_irq(&wl->eq_lock); +} + +static void wl_unlock_eq(struct wl_cfg80211_priv *wl) +{ + spin_unlock_irq(&wl->eq_lock); +} + +static void wl_init_eq_lock(struct wl_cfg80211_priv *wl) +{ + spin_lock_init(&wl->eq_lock); +} + +#endif |