1bdcd8170SKalle Valo /* 2bdcd8170SKalle Valo * Copyright (c) 2004-2011 Atheros Communications Inc. 31b2df407SVasanthakumar Thiagarajan * Copyright (c) 2011-2012 Qualcomm Atheros, Inc. 4bdcd8170SKalle Valo * 5bdcd8170SKalle Valo * Permission to use, copy, modify, and/or distribute this software for any 6bdcd8170SKalle Valo * purpose with or without fee is hereby granted, provided that the above 7bdcd8170SKalle Valo * copyright notice and this permission notice appear in all copies. 8bdcd8170SKalle Valo * 9bdcd8170SKalle Valo * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10bdcd8170SKalle Valo * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11bdcd8170SKalle Valo * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12bdcd8170SKalle Valo * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13bdcd8170SKalle Valo * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14bdcd8170SKalle Valo * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15bdcd8170SKalle Valo * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16bdcd8170SKalle Valo */ 17bdcd8170SKalle Valo 18516304b0SJoe Perches #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 19516304b0SJoe Perches 206eb07cafSPaul Gortmaker #include <linux/moduleparam.h> 21c08631c6SRaja Mani #include <linux/inetdevice.h> 22d6a434d6SKalle Valo #include <linux/export.h> 236eb07cafSPaul Gortmaker 24bdcd8170SKalle Valo #include "core.h" 25bdcd8170SKalle Valo #include "cfg80211.h" 26bdcd8170SKalle Valo #include "debug.h" 27abcb344bSKalle Valo #include "hif-ops.h" 28003353b0SKalle Valo #include "testmode.h" 29bdcd8170SKalle Valo 30bdcd8170SKalle Valo #define RATETAB_ENT(_rate, _rateid, _flags) { \ 31bdcd8170SKalle Valo .bitrate = (_rate), \ 32bdcd8170SKalle Valo .flags = (_flags), \ 33bdcd8170SKalle Valo .hw_value = (_rateid), \ 34bdcd8170SKalle Valo } 35bdcd8170SKalle Valo 36bdcd8170SKalle Valo #define CHAN2G(_channel, _freq, _flags) { \ 37bdcd8170SKalle Valo .band = IEEE80211_BAND_2GHZ, \ 38bdcd8170SKalle Valo .hw_value = (_channel), \ 39bdcd8170SKalle Valo .center_freq = (_freq), \ 40bdcd8170SKalle Valo .flags = (_flags), \ 41bdcd8170SKalle Valo .max_antenna_gain = 0, \ 42bdcd8170SKalle Valo .max_power = 30, \ 43bdcd8170SKalle Valo } 44bdcd8170SKalle Valo 45bdcd8170SKalle Valo #define CHAN5G(_channel, _flags) { \ 46bdcd8170SKalle Valo .band = IEEE80211_BAND_5GHZ, \ 47bdcd8170SKalle Valo .hw_value = (_channel), \ 48bdcd8170SKalle Valo .center_freq = 5000 + (5 * (_channel)), \ 49bdcd8170SKalle Valo .flags = (_flags), \ 50bdcd8170SKalle Valo .max_antenna_gain = 0, \ 51bdcd8170SKalle Valo .max_power = 30, \ 52bdcd8170SKalle Valo } 53bdcd8170SKalle Valo 54f599359cSBala Shanmugam #define DEFAULT_BG_SCAN_PERIOD 60 55f599359cSBala Shanmugam 56dd45b759SNaveen Singh struct ath6kl_cfg80211_match_probe_ssid { 57dd45b759SNaveen Singh struct cfg80211_ssid ssid; 58dd45b759SNaveen Singh u8 flag; 59dd45b759SNaveen Singh }; 60dd45b759SNaveen Singh 61bdcd8170SKalle Valo static struct ieee80211_rate ath6kl_rates[] = { 62bdcd8170SKalle Valo RATETAB_ENT(10, 0x1, 0), 63bdcd8170SKalle Valo RATETAB_ENT(20, 0x2, 0), 64bdcd8170SKalle Valo RATETAB_ENT(55, 0x4, 0), 65bdcd8170SKalle Valo RATETAB_ENT(110, 0x8, 0), 66bdcd8170SKalle Valo RATETAB_ENT(60, 0x10, 0), 67bdcd8170SKalle Valo RATETAB_ENT(90, 0x20, 0), 68bdcd8170SKalle Valo RATETAB_ENT(120, 0x40, 0), 69bdcd8170SKalle Valo RATETAB_ENT(180, 0x80, 0), 70bdcd8170SKalle Valo RATETAB_ENT(240, 0x100, 0), 71bdcd8170SKalle Valo RATETAB_ENT(360, 0x200, 0), 72bdcd8170SKalle Valo RATETAB_ENT(480, 0x400, 0), 73bdcd8170SKalle Valo RATETAB_ENT(540, 0x800, 0), 74bdcd8170SKalle Valo }; 75bdcd8170SKalle Valo 76bdcd8170SKalle Valo #define ath6kl_a_rates (ath6kl_rates + 4) 77bdcd8170SKalle Valo #define ath6kl_a_rates_size 8 78bdcd8170SKalle Valo #define ath6kl_g_rates (ath6kl_rates + 0) 79bdcd8170SKalle Valo #define ath6kl_g_rates_size 12 80bdcd8170SKalle Valo 81bed56e31SVasanthakumar Thiagarajan #define ath6kl_g_htcap IEEE80211_HT_CAP_SGI_20 82bed56e31SVasanthakumar Thiagarajan #define ath6kl_a_htcap (IEEE80211_HT_CAP_SUP_WIDTH_20_40 | \ 83faaf1929SVasanthakumar Thiagarajan IEEE80211_HT_CAP_SGI_20 | \ 84faaf1929SVasanthakumar Thiagarajan IEEE80211_HT_CAP_SGI_40) 85faaf1929SVasanthakumar Thiagarajan 86bdcd8170SKalle Valo static struct ieee80211_channel ath6kl_2ghz_channels[] = { 87bdcd8170SKalle Valo CHAN2G(1, 2412, 0), 88bdcd8170SKalle Valo CHAN2G(2, 2417, 0), 89bdcd8170SKalle Valo CHAN2G(3, 2422, 0), 90bdcd8170SKalle Valo CHAN2G(4, 2427, 0), 91bdcd8170SKalle Valo CHAN2G(5, 2432, 0), 92bdcd8170SKalle Valo CHAN2G(6, 2437, 0), 93bdcd8170SKalle Valo CHAN2G(7, 2442, 0), 94bdcd8170SKalle Valo CHAN2G(8, 2447, 0), 95bdcd8170SKalle Valo CHAN2G(9, 2452, 0), 96bdcd8170SKalle Valo CHAN2G(10, 2457, 0), 97bdcd8170SKalle Valo CHAN2G(11, 2462, 0), 98bdcd8170SKalle Valo CHAN2G(12, 2467, 0), 99bdcd8170SKalle Valo CHAN2G(13, 2472, 0), 100bdcd8170SKalle Valo CHAN2G(14, 2484, 0), 101bdcd8170SKalle Valo }; 102bdcd8170SKalle Valo 103bdcd8170SKalle Valo static struct ieee80211_channel ath6kl_5ghz_a_channels[] = { 104bdcd8170SKalle Valo CHAN5G(34, 0), CHAN5G(36, 0), 105bdcd8170SKalle Valo CHAN5G(38, 0), CHAN5G(40, 0), 106bdcd8170SKalle Valo CHAN5G(42, 0), CHAN5G(44, 0), 107bdcd8170SKalle Valo CHAN5G(46, 0), CHAN5G(48, 0), 108bdcd8170SKalle Valo CHAN5G(52, 0), CHAN5G(56, 0), 109bdcd8170SKalle Valo CHAN5G(60, 0), CHAN5G(64, 0), 110bdcd8170SKalle Valo CHAN5G(100, 0), CHAN5G(104, 0), 111bdcd8170SKalle Valo CHAN5G(108, 0), CHAN5G(112, 0), 112bdcd8170SKalle Valo CHAN5G(116, 0), CHAN5G(120, 0), 113bdcd8170SKalle Valo CHAN5G(124, 0), CHAN5G(128, 0), 114bdcd8170SKalle Valo CHAN5G(132, 0), CHAN5G(136, 0), 115bdcd8170SKalle Valo CHAN5G(140, 0), CHAN5G(149, 0), 116bdcd8170SKalle Valo CHAN5G(153, 0), CHAN5G(157, 0), 117bdcd8170SKalle Valo CHAN5G(161, 0), CHAN5G(165, 0), 118bdcd8170SKalle Valo CHAN5G(184, 0), CHAN5G(188, 0), 119bdcd8170SKalle Valo CHAN5G(192, 0), CHAN5G(196, 0), 120bdcd8170SKalle Valo CHAN5G(200, 0), CHAN5G(204, 0), 121bdcd8170SKalle Valo CHAN5G(208, 0), CHAN5G(212, 0), 122bdcd8170SKalle Valo CHAN5G(216, 0), 123bdcd8170SKalle Valo }; 124bdcd8170SKalle Valo 125bdcd8170SKalle Valo static struct ieee80211_supported_band ath6kl_band_2ghz = { 126bdcd8170SKalle Valo .n_channels = ARRAY_SIZE(ath6kl_2ghz_channels), 127bdcd8170SKalle Valo .channels = ath6kl_2ghz_channels, 128bdcd8170SKalle Valo .n_bitrates = ath6kl_g_rates_size, 129bdcd8170SKalle Valo .bitrates = ath6kl_g_rates, 130faaf1929SVasanthakumar Thiagarajan .ht_cap.cap = ath6kl_g_htcap, 131faaf1929SVasanthakumar Thiagarajan .ht_cap.ht_supported = true, 132bdcd8170SKalle Valo }; 133bdcd8170SKalle Valo 134bdcd8170SKalle Valo static struct ieee80211_supported_band ath6kl_band_5ghz = { 135bdcd8170SKalle Valo .n_channels = ARRAY_SIZE(ath6kl_5ghz_a_channels), 136bdcd8170SKalle Valo .channels = ath6kl_5ghz_a_channels, 137bdcd8170SKalle Valo .n_bitrates = ath6kl_a_rates_size, 138bdcd8170SKalle Valo .bitrates = ath6kl_a_rates, 139bed56e31SVasanthakumar Thiagarajan .ht_cap.cap = ath6kl_a_htcap, 140faaf1929SVasanthakumar Thiagarajan .ht_cap.ht_supported = true, 141bdcd8170SKalle Valo }; 142bdcd8170SKalle Valo 143837cb97eSJouni Malinen #define CCKM_KRK_CIPHER_SUITE 0x004096ff /* use for KRK */ 144837cb97eSJouni Malinen 14510509f90SKalle Valo /* returns true if scheduled scan was stopped */ 14610509f90SKalle Valo static bool __ath6kl_cfg80211_sscan_stop(struct ath6kl_vif *vif) 14710509f90SKalle Valo { 14810509f90SKalle Valo struct ath6kl *ar = vif->ar; 14910509f90SKalle Valo 15010509f90SKalle Valo if (ar->state != ATH6KL_STATE_SCHED_SCAN) 15110509f90SKalle Valo return false; 15210509f90SKalle Valo 15310509f90SKalle Valo del_timer_sync(&vif->sched_scan_timer); 15410509f90SKalle Valo 15510509f90SKalle Valo ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, 15610509f90SKalle Valo ATH6KL_HOST_MODE_AWAKE); 15710509f90SKalle Valo 15810509f90SKalle Valo ar->state = ATH6KL_STATE_ON; 15910509f90SKalle Valo 16010509f90SKalle Valo return true; 16110509f90SKalle Valo } 16210509f90SKalle Valo 16310509f90SKalle Valo static void ath6kl_cfg80211_sscan_disable(struct ath6kl_vif *vif) 16410509f90SKalle Valo { 16510509f90SKalle Valo struct ath6kl *ar = vif->ar; 16610509f90SKalle Valo bool stopped; 16710509f90SKalle Valo 16810509f90SKalle Valo stopped = __ath6kl_cfg80211_sscan_stop(vif); 16910509f90SKalle Valo 17010509f90SKalle Valo if (!stopped) 17110509f90SKalle Valo return; 17210509f90SKalle Valo 17310509f90SKalle Valo cfg80211_sched_scan_stopped(ar->wiphy); 17410509f90SKalle Valo } 17510509f90SKalle Valo 176240d2799SVasanthakumar Thiagarajan static int ath6kl_set_wpa_version(struct ath6kl_vif *vif, 177bdcd8170SKalle Valo enum nl80211_wpa_versions wpa_version) 178bdcd8170SKalle Valo { 179bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: %u\n", __func__, wpa_version); 180bdcd8170SKalle Valo 181bdcd8170SKalle Valo if (!wpa_version) { 1823450334fSVasanthakumar Thiagarajan vif->auth_mode = NONE_AUTH; 183bdcd8170SKalle Valo } else if (wpa_version & NL80211_WPA_VERSION_2) { 1843450334fSVasanthakumar Thiagarajan vif->auth_mode = WPA2_AUTH; 185bdcd8170SKalle Valo } else if (wpa_version & NL80211_WPA_VERSION_1) { 1863450334fSVasanthakumar Thiagarajan vif->auth_mode = WPA_AUTH; 187bdcd8170SKalle Valo } else { 188bdcd8170SKalle Valo ath6kl_err("%s: %u not supported\n", __func__, wpa_version); 189bdcd8170SKalle Valo return -ENOTSUPP; 190bdcd8170SKalle Valo } 191bdcd8170SKalle Valo 192bdcd8170SKalle Valo return 0; 193bdcd8170SKalle Valo } 194bdcd8170SKalle Valo 195240d2799SVasanthakumar Thiagarajan static int ath6kl_set_auth_type(struct ath6kl_vif *vif, 196bdcd8170SKalle Valo enum nl80211_auth_type auth_type) 197bdcd8170SKalle Valo { 198bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: 0x%x\n", __func__, auth_type); 199bdcd8170SKalle Valo 200bdcd8170SKalle Valo switch (auth_type) { 201bdcd8170SKalle Valo case NL80211_AUTHTYPE_OPEN_SYSTEM: 2023450334fSVasanthakumar Thiagarajan vif->dot11_auth_mode = OPEN_AUTH; 203bdcd8170SKalle Valo break; 204bdcd8170SKalle Valo case NL80211_AUTHTYPE_SHARED_KEY: 2053450334fSVasanthakumar Thiagarajan vif->dot11_auth_mode = SHARED_AUTH; 206bdcd8170SKalle Valo break; 207bdcd8170SKalle Valo case NL80211_AUTHTYPE_NETWORK_EAP: 2083450334fSVasanthakumar Thiagarajan vif->dot11_auth_mode = LEAP_AUTH; 209bdcd8170SKalle Valo break; 210bdcd8170SKalle Valo 211bdcd8170SKalle Valo case NL80211_AUTHTYPE_AUTOMATIC: 2123450334fSVasanthakumar Thiagarajan vif->dot11_auth_mode = OPEN_AUTH | SHARED_AUTH; 213bdcd8170SKalle Valo break; 214bdcd8170SKalle Valo 215bdcd8170SKalle Valo default: 2163c325fbdSMasanari Iida ath6kl_err("%s: 0x%x not supported\n", __func__, auth_type); 217bdcd8170SKalle Valo return -ENOTSUPP; 218bdcd8170SKalle Valo } 219bdcd8170SKalle Valo 220bdcd8170SKalle Valo return 0; 221bdcd8170SKalle Valo } 222bdcd8170SKalle Valo 223240d2799SVasanthakumar Thiagarajan static int ath6kl_set_cipher(struct ath6kl_vif *vif, u32 cipher, bool ucast) 224bdcd8170SKalle Valo { 2253450334fSVasanthakumar Thiagarajan u8 *ar_cipher = ucast ? &vif->prwise_crypto : &vif->grp_crypto; 2263450334fSVasanthakumar Thiagarajan u8 *ar_cipher_len = ucast ? &vif->prwise_crypto_len : 2273450334fSVasanthakumar Thiagarajan &vif->grp_crypto_len; 228bdcd8170SKalle Valo 229bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: cipher 0x%x, ucast %u\n", 230bdcd8170SKalle Valo __func__, cipher, ucast); 231bdcd8170SKalle Valo 232bdcd8170SKalle Valo switch (cipher) { 233bdcd8170SKalle Valo case 0: 234bdcd8170SKalle Valo /* our own hack to use value 0 as no crypto used */ 235bdcd8170SKalle Valo *ar_cipher = NONE_CRYPT; 236bdcd8170SKalle Valo *ar_cipher_len = 0; 237bdcd8170SKalle Valo break; 238bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_WEP40: 239bdcd8170SKalle Valo *ar_cipher = WEP_CRYPT; 240bdcd8170SKalle Valo *ar_cipher_len = 5; 241bdcd8170SKalle Valo break; 242bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_WEP104: 243bdcd8170SKalle Valo *ar_cipher = WEP_CRYPT; 244bdcd8170SKalle Valo *ar_cipher_len = 13; 245bdcd8170SKalle Valo break; 246bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_TKIP: 247bdcd8170SKalle Valo *ar_cipher = TKIP_CRYPT; 248bdcd8170SKalle Valo *ar_cipher_len = 0; 249bdcd8170SKalle Valo break; 250bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_CCMP: 251bdcd8170SKalle Valo *ar_cipher = AES_CRYPT; 252bdcd8170SKalle Valo *ar_cipher_len = 0; 253bdcd8170SKalle Valo break; 2545e07021eSDai Shuibing case WLAN_CIPHER_SUITE_SMS4: 2555e07021eSDai Shuibing *ar_cipher = WAPI_CRYPT; 2565e07021eSDai Shuibing *ar_cipher_len = 0; 2575e07021eSDai Shuibing break; 258bdcd8170SKalle Valo default: 259bdcd8170SKalle Valo ath6kl_err("cipher 0x%x not supported\n", cipher); 260bdcd8170SKalle Valo return -ENOTSUPP; 261bdcd8170SKalle Valo } 262bdcd8170SKalle Valo 263bdcd8170SKalle Valo return 0; 264bdcd8170SKalle Valo } 265bdcd8170SKalle Valo 266240d2799SVasanthakumar Thiagarajan static void ath6kl_set_key_mgmt(struct ath6kl_vif *vif, u32 key_mgmt) 267bdcd8170SKalle Valo { 268bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: 0x%x\n", __func__, key_mgmt); 269bdcd8170SKalle Valo 270bdcd8170SKalle Valo if (key_mgmt == WLAN_AKM_SUITE_PSK) { 2713450334fSVasanthakumar Thiagarajan if (vif->auth_mode == WPA_AUTH) 2723450334fSVasanthakumar Thiagarajan vif->auth_mode = WPA_PSK_AUTH; 2733450334fSVasanthakumar Thiagarajan else if (vif->auth_mode == WPA2_AUTH) 2743450334fSVasanthakumar Thiagarajan vif->auth_mode = WPA2_PSK_AUTH; 275837cb97eSJouni Malinen } else if (key_mgmt == 0x00409600) { 2763450334fSVasanthakumar Thiagarajan if (vif->auth_mode == WPA_AUTH) 2773450334fSVasanthakumar Thiagarajan vif->auth_mode = WPA_AUTH_CCKM; 2783450334fSVasanthakumar Thiagarajan else if (vif->auth_mode == WPA2_AUTH) 2793450334fSVasanthakumar Thiagarajan vif->auth_mode = WPA2_AUTH_CCKM; 280bdcd8170SKalle Valo } else if (key_mgmt != WLAN_AKM_SUITE_8021X) { 2813450334fSVasanthakumar Thiagarajan vif->auth_mode = NONE_AUTH; 282bdcd8170SKalle Valo } 283bdcd8170SKalle Valo } 284bdcd8170SKalle Valo 285990bd915SVasanthakumar Thiagarajan static bool ath6kl_cfg80211_ready(struct ath6kl_vif *vif) 286bdcd8170SKalle Valo { 287990bd915SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 28859c98449SVasanthakumar Thiagarajan 289bdcd8170SKalle Valo if (!test_bit(WMI_READY, &ar->flag)) { 290bdcd8170SKalle Valo ath6kl_err("wmi is not ready\n"); 291bdcd8170SKalle Valo return false; 292bdcd8170SKalle Valo } 293bdcd8170SKalle Valo 29459c98449SVasanthakumar Thiagarajan if (!test_bit(WLAN_ENABLED, &vif->flags)) { 295bdcd8170SKalle Valo ath6kl_err("wlan disabled\n"); 296bdcd8170SKalle Valo return false; 297bdcd8170SKalle Valo } 298bdcd8170SKalle Valo 299bdcd8170SKalle Valo return true; 300bdcd8170SKalle Valo } 301bdcd8170SKalle Valo 3026981ffdcSKevin Fang static bool ath6kl_is_wpa_ie(const u8 *pos) 3036981ffdcSKevin Fang { 30404b2312aSArend van Spriel return pos[0] == WLAN_EID_VENDOR_SPECIFIC && pos[1] >= 4 && 3056981ffdcSKevin Fang pos[2] == 0x00 && pos[3] == 0x50 && 3066981ffdcSKevin Fang pos[4] == 0xf2 && pos[5] == 0x01; 3076981ffdcSKevin Fang } 3086981ffdcSKevin Fang 3096981ffdcSKevin Fang static bool ath6kl_is_rsn_ie(const u8 *pos) 3106981ffdcSKevin Fang { 3116981ffdcSKevin Fang return pos[0] == WLAN_EID_RSN; 3126981ffdcSKevin Fang } 3136981ffdcSKevin Fang 31463541212SAarthi Thiruvengadam static bool ath6kl_is_wps_ie(const u8 *pos) 31563541212SAarthi Thiruvengadam { 31663541212SAarthi Thiruvengadam return (pos[0] == WLAN_EID_VENDOR_SPECIFIC && 31763541212SAarthi Thiruvengadam pos[1] >= 4 && 31863541212SAarthi Thiruvengadam pos[2] == 0x00 && pos[3] == 0x50 && pos[4] == 0xf2 && 31963541212SAarthi Thiruvengadam pos[5] == 0x04); 32063541212SAarthi Thiruvengadam } 32163541212SAarthi Thiruvengadam 322334234b5SVasanthakumar Thiagarajan static int ath6kl_set_assoc_req_ies(struct ath6kl_vif *vif, const u8 *ies, 3236981ffdcSKevin Fang size_t ies_len) 3246981ffdcSKevin Fang { 325334234b5SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 3266981ffdcSKevin Fang const u8 *pos; 3276981ffdcSKevin Fang u8 *buf = NULL; 3286981ffdcSKevin Fang size_t len = 0; 3296981ffdcSKevin Fang int ret; 3306981ffdcSKevin Fang 3316981ffdcSKevin Fang /* 33263541212SAarthi Thiruvengadam * Clear previously set flag 33363541212SAarthi Thiruvengadam */ 33463541212SAarthi Thiruvengadam 33563541212SAarthi Thiruvengadam ar->connect_ctrl_flags &= ~CONNECT_WPS_FLAG; 33663541212SAarthi Thiruvengadam 33763541212SAarthi Thiruvengadam /* 3386981ffdcSKevin Fang * Filter out RSN/WPA IE(s) 3396981ffdcSKevin Fang */ 3406981ffdcSKevin Fang 3416981ffdcSKevin Fang if (ies && ies_len) { 3426981ffdcSKevin Fang buf = kmalloc(ies_len, GFP_KERNEL); 3436981ffdcSKevin Fang if (buf == NULL) 3446981ffdcSKevin Fang return -ENOMEM; 3456981ffdcSKevin Fang pos = ies; 3466981ffdcSKevin Fang 3476981ffdcSKevin Fang while (pos + 1 < ies + ies_len) { 3486981ffdcSKevin Fang if (pos + 2 + pos[1] > ies + ies_len) 3496981ffdcSKevin Fang break; 3506981ffdcSKevin Fang if (!(ath6kl_is_wpa_ie(pos) || ath6kl_is_rsn_ie(pos))) { 3516981ffdcSKevin Fang memcpy(buf + len, pos, 2 + pos[1]); 3526981ffdcSKevin Fang len += 2 + pos[1]; 3536981ffdcSKevin Fang } 35463541212SAarthi Thiruvengadam 35563541212SAarthi Thiruvengadam if (ath6kl_is_wps_ie(pos)) 35663541212SAarthi Thiruvengadam ar->connect_ctrl_flags |= CONNECT_WPS_FLAG; 35763541212SAarthi Thiruvengadam 3586981ffdcSKevin Fang pos += 2 + pos[1]; 3596981ffdcSKevin Fang } 3606981ffdcSKevin Fang } 3616981ffdcSKevin Fang 362334234b5SVasanthakumar Thiagarajan ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 363334234b5SVasanthakumar Thiagarajan WMI_FRAME_ASSOC_REQ, buf, len); 3646981ffdcSKevin Fang kfree(buf); 3656981ffdcSKevin Fang return ret; 3666981ffdcSKevin Fang } 3676981ffdcSKevin Fang 36855055976SVasanthakumar Thiagarajan static int ath6kl_nliftype_to_drv_iftype(enum nl80211_iftype type, u8 *nw_type) 36955055976SVasanthakumar Thiagarajan { 37055055976SVasanthakumar Thiagarajan switch (type) { 37155055976SVasanthakumar Thiagarajan case NL80211_IFTYPE_STATION: 37255055976SVasanthakumar Thiagarajan *nw_type = INFRA_NETWORK; 37355055976SVasanthakumar Thiagarajan break; 37455055976SVasanthakumar Thiagarajan case NL80211_IFTYPE_ADHOC: 37555055976SVasanthakumar Thiagarajan *nw_type = ADHOC_NETWORK; 37655055976SVasanthakumar Thiagarajan break; 37755055976SVasanthakumar Thiagarajan case NL80211_IFTYPE_AP: 37855055976SVasanthakumar Thiagarajan *nw_type = AP_NETWORK; 37955055976SVasanthakumar Thiagarajan break; 38055055976SVasanthakumar Thiagarajan case NL80211_IFTYPE_P2P_CLIENT: 38155055976SVasanthakumar Thiagarajan *nw_type = INFRA_NETWORK; 38255055976SVasanthakumar Thiagarajan break; 38355055976SVasanthakumar Thiagarajan case NL80211_IFTYPE_P2P_GO: 38455055976SVasanthakumar Thiagarajan *nw_type = AP_NETWORK; 38555055976SVasanthakumar Thiagarajan break; 38655055976SVasanthakumar Thiagarajan default: 38755055976SVasanthakumar Thiagarajan ath6kl_err("invalid interface type %u\n", type); 38855055976SVasanthakumar Thiagarajan return -ENOTSUPP; 38955055976SVasanthakumar Thiagarajan } 39055055976SVasanthakumar Thiagarajan 39155055976SVasanthakumar Thiagarajan return 0; 39255055976SVasanthakumar Thiagarajan } 39355055976SVasanthakumar Thiagarajan 39455055976SVasanthakumar Thiagarajan static bool ath6kl_is_valid_iftype(struct ath6kl *ar, enum nl80211_iftype type, 39555055976SVasanthakumar Thiagarajan u8 *if_idx, u8 *nw_type) 39655055976SVasanthakumar Thiagarajan { 39755055976SVasanthakumar Thiagarajan int i; 39855055976SVasanthakumar Thiagarajan 39955055976SVasanthakumar Thiagarajan if (ath6kl_nliftype_to_drv_iftype(type, nw_type)) 40055055976SVasanthakumar Thiagarajan return false; 40155055976SVasanthakumar Thiagarajan 40255055976SVasanthakumar Thiagarajan if (ar->ibss_if_active || ((type == NL80211_IFTYPE_ADHOC) && 40355055976SVasanthakumar Thiagarajan ar->num_vif)) 40455055976SVasanthakumar Thiagarajan return false; 40555055976SVasanthakumar Thiagarajan 40655055976SVasanthakumar Thiagarajan if (type == NL80211_IFTYPE_STATION || 40755055976SVasanthakumar Thiagarajan type == NL80211_IFTYPE_AP || type == NL80211_IFTYPE_ADHOC) { 40871f96ee6SKalle Valo for (i = 0; i < ar->vif_max; i++) { 40955055976SVasanthakumar Thiagarajan if ((ar->avail_idx_map >> i) & BIT(0)) { 41055055976SVasanthakumar Thiagarajan *if_idx = i; 41155055976SVasanthakumar Thiagarajan return true; 41255055976SVasanthakumar Thiagarajan } 41355055976SVasanthakumar Thiagarajan } 41455055976SVasanthakumar Thiagarajan } 41555055976SVasanthakumar Thiagarajan 4163226f68aSVasanthakumar Thiagarajan if (type == NL80211_IFTYPE_P2P_CLIENT || 4173226f68aSVasanthakumar Thiagarajan type == NL80211_IFTYPE_P2P_GO) { 41871f96ee6SKalle Valo for (i = ar->max_norm_iface; i < ar->vif_max; i++) { 4193226f68aSVasanthakumar Thiagarajan if ((ar->avail_idx_map >> i) & BIT(0)) { 4203226f68aSVasanthakumar Thiagarajan *if_idx = i; 4213226f68aSVasanthakumar Thiagarajan return true; 4223226f68aSVasanthakumar Thiagarajan } 4233226f68aSVasanthakumar Thiagarajan } 4243226f68aSVasanthakumar Thiagarajan } 4253226f68aSVasanthakumar Thiagarajan 42655055976SVasanthakumar Thiagarajan return false; 42755055976SVasanthakumar Thiagarajan } 42855055976SVasanthakumar Thiagarajan 4298c9bb054SKalle Valo static bool ath6kl_is_tx_pending(struct ath6kl *ar) 4308c9bb054SKalle Valo { 4318c9bb054SKalle Valo return ar->tx_pending[ath6kl_wmi_get_control_ep(ar->wmi)] == 0; 4328c9bb054SKalle Valo } 4338c9bb054SKalle Valo 4348c9bb054SKalle Valo 435bdcd8170SKalle Valo static int ath6kl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, 436bdcd8170SKalle Valo struct cfg80211_connect_params *sme) 437bdcd8170SKalle Valo { 438bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 43959c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 440bdcd8170SKalle Valo int status; 4413ca9d1fcSAarthi Thiruvengadam u8 nw_subtype = (ar->p2p) ? SUBTYPE_P2PDEV : SUBTYPE_NONE; 442ce0dc0cfSRaja Mani u16 interval; 443bdcd8170SKalle Valo 44410509f90SKalle Valo ath6kl_cfg80211_sscan_disable(vif); 44510509f90SKalle Valo 44614ee6f6bSVasanthakumar Thiagarajan vif->sme_state = SME_CONNECTING; 447bdcd8170SKalle Valo 448990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 449bdcd8170SKalle Valo return -EIO; 450bdcd8170SKalle Valo 451bdcd8170SKalle Valo if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) { 452bdcd8170SKalle Valo ath6kl_err("destroy in progress\n"); 453bdcd8170SKalle Valo return -EBUSY; 454bdcd8170SKalle Valo } 455bdcd8170SKalle Valo 456bdcd8170SKalle Valo if (test_bit(SKIP_SCAN, &ar->flag) && 457bdcd8170SKalle Valo ((sme->channel && sme->channel->center_freq == 0) || 458bdcd8170SKalle Valo (sme->bssid && is_zero_ether_addr(sme->bssid)))) { 459bdcd8170SKalle Valo ath6kl_err("SkipScan: channel or bssid invalid\n"); 460bdcd8170SKalle Valo return -EINVAL; 461bdcd8170SKalle Valo } 462bdcd8170SKalle Valo 463bdcd8170SKalle Valo if (down_interruptible(&ar->sem)) { 464bdcd8170SKalle Valo ath6kl_err("busy, couldn't get access\n"); 465bdcd8170SKalle Valo return -ERESTARTSYS; 466bdcd8170SKalle Valo } 467bdcd8170SKalle Valo 468bdcd8170SKalle Valo if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) { 469bdcd8170SKalle Valo ath6kl_err("busy, destroy in progress\n"); 470bdcd8170SKalle Valo up(&ar->sem); 471bdcd8170SKalle Valo return -EBUSY; 472bdcd8170SKalle Valo } 473bdcd8170SKalle Valo 474bdcd8170SKalle Valo if (ar->tx_pending[ath6kl_wmi_get_control_ep(ar->wmi)]) { 475bdcd8170SKalle Valo /* 476bdcd8170SKalle Valo * sleep until the command queue drains 477bdcd8170SKalle Valo */ 478bdcd8170SKalle Valo wait_event_interruptible_timeout(ar->event_wq, 4798c9bb054SKalle Valo ath6kl_is_tx_pending(ar), 480bdcd8170SKalle Valo WMI_TIMEOUT); 481bdcd8170SKalle Valo if (signal_pending(current)) { 482bdcd8170SKalle Valo ath6kl_err("cmd queue drain timeout\n"); 483bdcd8170SKalle Valo up(&ar->sem); 484bdcd8170SKalle Valo return -EINTR; 485bdcd8170SKalle Valo } 486bdcd8170SKalle Valo } 487bdcd8170SKalle Valo 488334234b5SVasanthakumar Thiagarajan status = ath6kl_set_assoc_req_ies(vif, sme->ie, sme->ie_len); 489743b4518SDan Carpenter if (status) { 490743b4518SDan Carpenter up(&ar->sem); 4916981ffdcSKevin Fang return status; 492743b4518SDan Carpenter } 4936e786cb1SJouni Malinen 4946e786cb1SJouni Malinen if (sme->ie == NULL || sme->ie_len == 0) 495542c519aSRaja Mani ar->connect_ctrl_flags &= ~CONNECT_WPS_FLAG; 4966981ffdcSKevin Fang 49759c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags) && 4983450334fSVasanthakumar Thiagarajan vif->ssid_len == sme->ssid_len && 4993450334fSVasanthakumar Thiagarajan !memcmp(vif->ssid, sme->ssid, vif->ssid_len)) { 500cf5333d7SVasanthakumar Thiagarajan vif->reconnect_flag = true; 501334234b5SVasanthakumar Thiagarajan status = ath6kl_wmi_reconnect_cmd(ar->wmi, vif->fw_vif_idx, 502334234b5SVasanthakumar Thiagarajan vif->req_bssid, 503f74bac54SVasanthakumar Thiagarajan vif->ch_hint); 504bdcd8170SKalle Valo 505bdcd8170SKalle Valo up(&ar->sem); 506bdcd8170SKalle Valo if (status) { 507bdcd8170SKalle Valo ath6kl_err("wmi_reconnect_cmd failed\n"); 508bdcd8170SKalle Valo return -EIO; 509bdcd8170SKalle Valo } 510bdcd8170SKalle Valo return 0; 5113450334fSVasanthakumar Thiagarajan } else if (vif->ssid_len == sme->ssid_len && 5123450334fSVasanthakumar Thiagarajan !memcmp(vif->ssid, sme->ssid, vif->ssid_len)) { 513240d2799SVasanthakumar Thiagarajan ath6kl_disconnect(vif); 514bdcd8170SKalle Valo } 515bdcd8170SKalle Valo 5163450334fSVasanthakumar Thiagarajan memset(vif->ssid, 0, sizeof(vif->ssid)); 5173450334fSVasanthakumar Thiagarajan vif->ssid_len = sme->ssid_len; 5183450334fSVasanthakumar Thiagarajan memcpy(vif->ssid, sme->ssid, sme->ssid_len); 519bdcd8170SKalle Valo 520bdcd8170SKalle Valo if (sme->channel) 521f74bac54SVasanthakumar Thiagarajan vif->ch_hint = sme->channel->center_freq; 522bdcd8170SKalle Valo 5238c8b65e3SVasanthakumar Thiagarajan memset(vif->req_bssid, 0, sizeof(vif->req_bssid)); 524bdcd8170SKalle Valo if (sme->bssid && !is_broadcast_ether_addr(sme->bssid)) 5258c8b65e3SVasanthakumar Thiagarajan memcpy(vif->req_bssid, sme->bssid, sizeof(vif->req_bssid)); 526bdcd8170SKalle Valo 527240d2799SVasanthakumar Thiagarajan ath6kl_set_wpa_version(vif, sme->crypto.wpa_versions); 528bdcd8170SKalle Valo 529240d2799SVasanthakumar Thiagarajan status = ath6kl_set_auth_type(vif, sme->auth_type); 530bdcd8170SKalle Valo if (status) { 531bdcd8170SKalle Valo up(&ar->sem); 532bdcd8170SKalle Valo return status; 533bdcd8170SKalle Valo } 534bdcd8170SKalle Valo 535bdcd8170SKalle Valo if (sme->crypto.n_ciphers_pairwise) 536240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, sme->crypto.ciphers_pairwise[0], true); 537bdcd8170SKalle Valo else 538240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, 0, true); 539bdcd8170SKalle Valo 540240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, sme->crypto.cipher_group, false); 541bdcd8170SKalle Valo 542bdcd8170SKalle Valo if (sme->crypto.n_akm_suites) 543240d2799SVasanthakumar Thiagarajan ath6kl_set_key_mgmt(vif, sme->crypto.akm_suites[0]); 544bdcd8170SKalle Valo 545bdcd8170SKalle Valo if ((sme->key_len) && 5463450334fSVasanthakumar Thiagarajan (vif->auth_mode == NONE_AUTH) && 5473450334fSVasanthakumar Thiagarajan (vif->prwise_crypto == WEP_CRYPT)) { 548bdcd8170SKalle Valo struct ath6kl_key *key = NULL; 549bdcd8170SKalle Valo 550792ecb33SVivek Natarajan if (sme->key_idx > WMI_MAX_KEY_INDEX) { 551bdcd8170SKalle Valo ath6kl_err("key index %d out of bounds\n", 552bdcd8170SKalle Valo sme->key_idx); 553bdcd8170SKalle Valo up(&ar->sem); 554bdcd8170SKalle Valo return -ENOENT; 555bdcd8170SKalle Valo } 556bdcd8170SKalle Valo 5576f2a73f9SVasanthakumar Thiagarajan key = &vif->keys[sme->key_idx]; 558bdcd8170SKalle Valo key->key_len = sme->key_len; 559bdcd8170SKalle Valo memcpy(key->key, sme->key, key->key_len); 5603450334fSVasanthakumar Thiagarajan key->cipher = vif->prwise_crypto; 5613450334fSVasanthakumar Thiagarajan vif->def_txkey_index = sme->key_idx; 562bdcd8170SKalle Valo 563334234b5SVasanthakumar Thiagarajan ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, sme->key_idx, 5643450334fSVasanthakumar Thiagarajan vif->prwise_crypto, 565bdcd8170SKalle Valo GROUP_USAGE | TX_USAGE, 566bdcd8170SKalle Valo key->key_len, 567f4bb9a6fSJouni Malinen NULL, 0, 568bdcd8170SKalle Valo key->key, KEY_OP_INIT_VAL, NULL, 569bdcd8170SKalle Valo NO_SYNC_WMIFLAG); 570bdcd8170SKalle Valo } 571bdcd8170SKalle Valo 572bdcd8170SKalle Valo if (!ar->usr_bss_filter) { 57359c98449SVasanthakumar Thiagarajan clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags); 574240d2799SVasanthakumar Thiagarajan if (ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 575240d2799SVasanthakumar Thiagarajan ALL_BSS_FILTER, 0) != 0) { 576bdcd8170SKalle Valo ath6kl_err("couldn't set bss filtering\n"); 577bdcd8170SKalle Valo up(&ar->sem); 578bdcd8170SKalle Valo return -EIO; 579bdcd8170SKalle Valo } 580bdcd8170SKalle Valo } 581bdcd8170SKalle Valo 582f5938f24SVasanthakumar Thiagarajan vif->nw_type = vif->next_mode; 583bdcd8170SKalle Valo 584c422d52dSThomas Pedersen /* enable enhanced bmiss detection if applicable */ 585c422d52dSThomas Pedersen ath6kl_cfg80211_sta_bmiss_enhance(vif, true); 586c422d52dSThomas Pedersen 5873ca9d1fcSAarthi Thiruvengadam if (vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) 5883ca9d1fcSAarthi Thiruvengadam nw_subtype = SUBTYPE_P2PCLIENT; 5893ca9d1fcSAarthi Thiruvengadam 590bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 591bdcd8170SKalle Valo "%s: connect called with authmode %d dot11 auth %d" 592bdcd8170SKalle Valo " PW crypto %d PW crypto len %d GRP crypto %d" 593bdcd8170SKalle Valo " GRP crypto len %d channel hint %u\n", 594bdcd8170SKalle Valo __func__, 5953450334fSVasanthakumar Thiagarajan vif->auth_mode, vif->dot11_auth_mode, vif->prwise_crypto, 5963450334fSVasanthakumar Thiagarajan vif->prwise_crypto_len, vif->grp_crypto, 597f74bac54SVasanthakumar Thiagarajan vif->grp_crypto_len, vif->ch_hint); 598bdcd8170SKalle Valo 599cf5333d7SVasanthakumar Thiagarajan vif->reconnect_flag = 0; 600ce0dc0cfSRaja Mani 601ce0dc0cfSRaja Mani if (vif->nw_type == INFRA_NETWORK) { 602b5283871SKalle Valo interval = max_t(u16, vif->listen_intvl_t, 603b5283871SKalle Valo ATH6KL_MAX_WOW_LISTEN_INTL); 604ce0dc0cfSRaja Mani status = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx, 605ce0dc0cfSRaja Mani interval, 606ce0dc0cfSRaja Mani 0); 607ce0dc0cfSRaja Mani if (status) { 608ce0dc0cfSRaja Mani ath6kl_err("couldn't set listen intervel\n"); 609ce0dc0cfSRaja Mani up(&ar->sem); 610ce0dc0cfSRaja Mani return status; 611ce0dc0cfSRaja Mani } 612ce0dc0cfSRaja Mani } 613ce0dc0cfSRaja Mani 614334234b5SVasanthakumar Thiagarajan status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type, 6153450334fSVasanthakumar Thiagarajan vif->dot11_auth_mode, vif->auth_mode, 6163450334fSVasanthakumar Thiagarajan vif->prwise_crypto, 6173450334fSVasanthakumar Thiagarajan vif->prwise_crypto_len, 6183450334fSVasanthakumar Thiagarajan vif->grp_crypto, vif->grp_crypto_len, 6193450334fSVasanthakumar Thiagarajan vif->ssid_len, vif->ssid, 620f74bac54SVasanthakumar Thiagarajan vif->req_bssid, vif->ch_hint, 6213ca9d1fcSAarthi Thiruvengadam ar->connect_ctrl_flags, nw_subtype); 622bdcd8170SKalle Valo 623f599359cSBala Shanmugam /* disable background scan if period is 0 */ 624f599359cSBala Shanmugam if (sme->bg_scan_period == 0) 625f599359cSBala Shanmugam sme->bg_scan_period = 0xffff; 626f599359cSBala Shanmugam 627f599359cSBala Shanmugam /* configure default value if not specified */ 628f599359cSBala Shanmugam if (sme->bg_scan_period == -1) 629f599359cSBala Shanmugam sme->bg_scan_period = DEFAULT_BG_SCAN_PERIOD; 630f599359cSBala Shanmugam 631f599359cSBala Shanmugam ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 0, 0, 632f599359cSBala Shanmugam sme->bg_scan_period, 0, 0, 0, 3, 0, 0, 0); 633f599359cSBala Shanmugam 634bdcd8170SKalle Valo up(&ar->sem); 635bdcd8170SKalle Valo 636bdcd8170SKalle Valo if (status == -EINVAL) { 6373450334fSVasanthakumar Thiagarajan memset(vif->ssid, 0, sizeof(vif->ssid)); 6383450334fSVasanthakumar Thiagarajan vif->ssid_len = 0; 639bdcd8170SKalle Valo ath6kl_err("invalid request\n"); 640bdcd8170SKalle Valo return -ENOENT; 641bdcd8170SKalle Valo } else if (status) { 642bdcd8170SKalle Valo ath6kl_err("ath6kl_wmi_connect_cmd failed\n"); 643bdcd8170SKalle Valo return -EIO; 644bdcd8170SKalle Valo } 645bdcd8170SKalle Valo 646bdcd8170SKalle Valo if ((!(ar->connect_ctrl_flags & CONNECT_DO_WPA_OFFLOAD)) && 647ddc3d77cSKalle Valo ((vif->auth_mode == WPA_PSK_AUTH) || 648ddc3d77cSKalle Valo (vif->auth_mode == WPA2_PSK_AUTH))) { 649de3ad713SVasanthakumar Thiagarajan mod_timer(&vif->disconnect_timer, 650bdcd8170SKalle Valo jiffies + msecs_to_jiffies(DISCON_TIMER_INTVAL)); 651bdcd8170SKalle Valo } 652bdcd8170SKalle Valo 653bdcd8170SKalle Valo ar->connect_ctrl_flags &= ~CONNECT_DO_WPA_OFFLOAD; 65459c98449SVasanthakumar Thiagarajan set_bit(CONNECT_PEND, &vif->flags); 655bdcd8170SKalle Valo 656bdcd8170SKalle Valo return 0; 657bdcd8170SKalle Valo } 658bdcd8170SKalle Valo 6595e13fd35SVasanthakumar Thiagarajan static struct cfg80211_bss * 6605e13fd35SVasanthakumar Thiagarajan ath6kl_add_bss_if_needed(struct ath6kl_vif *vif, 6614eab6f4fSRaja Mani enum network_type nw_type, 6624eab6f4fSRaja Mani const u8 *bssid, 66301cac476SJouni Malinen struct ieee80211_channel *chan, 6645e13fd35SVasanthakumar Thiagarajan const u8 *beacon_ie, 6655e13fd35SVasanthakumar Thiagarajan size_t beacon_ie_len) 66601cac476SJouni Malinen { 667240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 66801cac476SJouni Malinen struct cfg80211_bss *bss; 6694eab6f4fSRaja Mani u16 cap_mask, cap_val; 67001cac476SJouni Malinen u8 *ie; 67101cac476SJouni Malinen 6724eab6f4fSRaja Mani if (nw_type & ADHOC_NETWORK) { 6734eab6f4fSRaja Mani cap_mask = WLAN_CAPABILITY_IBSS; 6744eab6f4fSRaja Mani cap_val = WLAN_CAPABILITY_IBSS; 6754eab6f4fSRaja Mani } else { 6764eab6f4fSRaja Mani cap_mask = WLAN_CAPABILITY_ESS; 6774eab6f4fSRaja Mani cap_val = WLAN_CAPABILITY_ESS; 6784eab6f4fSRaja Mani } 6794eab6f4fSRaja Mani 680be98e3a4SVasanthakumar Thiagarajan bss = cfg80211_get_bss(ar->wiphy, chan, bssid, 6814eab6f4fSRaja Mani vif->ssid, vif->ssid_len, 6824eab6f4fSRaja Mani cap_mask, cap_val); 68301cac476SJouni Malinen if (bss == NULL) { 68401cac476SJouni Malinen /* 68501cac476SJouni Malinen * Since cfg80211 may not yet know about the BSS, 68601cac476SJouni Malinen * generate a partial entry until the first BSS info 68701cac476SJouni Malinen * event becomes available. 68801cac476SJouni Malinen * 68901cac476SJouni Malinen * Prepend SSID element since it is not included in the Beacon 69001cac476SJouni Malinen * IEs from the target. 69101cac476SJouni Malinen */ 6923450334fSVasanthakumar Thiagarajan ie = kmalloc(2 + vif->ssid_len + beacon_ie_len, GFP_KERNEL); 69301cac476SJouni Malinen if (ie == NULL) 6945e13fd35SVasanthakumar Thiagarajan return NULL; 69501cac476SJouni Malinen ie[0] = WLAN_EID_SSID; 6963450334fSVasanthakumar Thiagarajan ie[1] = vif->ssid_len; 6973450334fSVasanthakumar Thiagarajan memcpy(ie + 2, vif->ssid, vif->ssid_len); 6983450334fSVasanthakumar Thiagarajan memcpy(ie + 2 + vif->ssid_len, beacon_ie, beacon_ie_len); 699be98e3a4SVasanthakumar Thiagarajan bss = cfg80211_inform_bss(ar->wiphy, chan, 7004eab6f4fSRaja Mani bssid, 0, cap_val, 100, 7013450334fSVasanthakumar Thiagarajan ie, 2 + vif->ssid_len + beacon_ie_len, 70201cac476SJouni Malinen 0, GFP_KERNEL); 70301cac476SJouni Malinen if (bss) 704cdeb8602SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 705cdeb8602SKalle Valo "added bss %pM to cfg80211\n", bssid); 70601cac476SJouni Malinen kfree(ie); 70701cac476SJouni Malinen } else 7085e13fd35SVasanthakumar Thiagarajan ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "cfg80211 already has a bss\n"); 70901cac476SJouni Malinen 7105e13fd35SVasanthakumar Thiagarajan return bss; 71101cac476SJouni Malinen } 71201cac476SJouni Malinen 713240d2799SVasanthakumar Thiagarajan void ath6kl_cfg80211_connect_event(struct ath6kl_vif *vif, u16 channel, 714bdcd8170SKalle Valo u8 *bssid, u16 listen_intvl, 715bdcd8170SKalle Valo u16 beacon_intvl, 716bdcd8170SKalle Valo enum network_type nw_type, 717bdcd8170SKalle Valo u8 beacon_ie_len, u8 assoc_req_len, 718bdcd8170SKalle Valo u8 assoc_resp_len, u8 *assoc_info) 719bdcd8170SKalle Valo { 72001cac476SJouni Malinen struct ieee80211_channel *chan; 721240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 7225e13fd35SVasanthakumar Thiagarajan struct cfg80211_bss *bss; 723bdcd8170SKalle Valo 724bdcd8170SKalle Valo /* capinfo + listen interval */ 725bdcd8170SKalle Valo u8 assoc_req_ie_offset = sizeof(u16) + sizeof(u16); 726bdcd8170SKalle Valo 727bdcd8170SKalle Valo /* capinfo + status code + associd */ 728bdcd8170SKalle Valo u8 assoc_resp_ie_offset = sizeof(u16) + sizeof(u16) + sizeof(u16); 729bdcd8170SKalle Valo 730bdcd8170SKalle Valo u8 *assoc_req_ie = assoc_info + beacon_ie_len + assoc_req_ie_offset; 731bdcd8170SKalle Valo u8 *assoc_resp_ie = assoc_info + beacon_ie_len + assoc_req_len + 732bdcd8170SKalle Valo assoc_resp_ie_offset; 733bdcd8170SKalle Valo 734bdcd8170SKalle Valo assoc_req_len -= assoc_req_ie_offset; 735bdcd8170SKalle Valo assoc_resp_len -= assoc_resp_ie_offset; 736bdcd8170SKalle Valo 73732c10874SJouni Malinen /* 73832c10874SJouni Malinen * Store Beacon interval here; DTIM period will be available only once 73932c10874SJouni Malinen * a Beacon frame from the AP is seen. 74032c10874SJouni Malinen */ 741cf5333d7SVasanthakumar Thiagarajan vif->assoc_bss_beacon_int = beacon_intvl; 74259c98449SVasanthakumar Thiagarajan clear_bit(DTIM_PERIOD_AVAIL, &vif->flags); 74332c10874SJouni Malinen 744bdcd8170SKalle Valo if (nw_type & ADHOC_NETWORK) { 745551959d8SVasanthakumar Thiagarajan if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC) { 746bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 747bdcd8170SKalle Valo "%s: ath6k not in ibss mode\n", __func__); 748bdcd8170SKalle Valo return; 749bdcd8170SKalle Valo } 750bdcd8170SKalle Valo } 751bdcd8170SKalle Valo 752bdcd8170SKalle Valo if (nw_type & INFRA_NETWORK) { 753551959d8SVasanthakumar Thiagarajan if (vif->wdev.iftype != NL80211_IFTYPE_STATION && 754551959d8SVasanthakumar Thiagarajan vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) { 755bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 756bdcd8170SKalle Valo "%s: ath6k not in station mode\n", __func__); 757bdcd8170SKalle Valo return; 758bdcd8170SKalle Valo } 759bdcd8170SKalle Valo } 760bdcd8170SKalle Valo 761be98e3a4SVasanthakumar Thiagarajan chan = ieee80211_get_channel(ar->wiphy, (int) channel); 762bdcd8170SKalle Valo 7635e13fd35SVasanthakumar Thiagarajan bss = ath6kl_add_bss_if_needed(vif, nw_type, bssid, chan, 7645e13fd35SVasanthakumar Thiagarajan assoc_info, beacon_ie_len); 7655e13fd35SVasanthakumar Thiagarajan if (!bss) { 7664eab6f4fSRaja Mani ath6kl_err("could not add cfg80211 bss entry\n"); 767bdcd8170SKalle Valo return; 768bdcd8170SKalle Valo } 769bdcd8170SKalle Valo 7704eab6f4fSRaja Mani if (nw_type & ADHOC_NETWORK) { 7714eab6f4fSRaja Mani ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "ad-hoc %s selected\n", 7724eab6f4fSRaja Mani nw_type & ADHOC_CREATOR ? "creator" : "joiner"); 7734eab6f4fSRaja Mani cfg80211_ibss_joined(vif->ndev, bssid, GFP_KERNEL); 7745e13fd35SVasanthakumar Thiagarajan cfg80211_put_bss(bss); 77501cac476SJouni Malinen return; 77601cac476SJouni Malinen } 77701cac476SJouni Malinen 77814ee6f6bSVasanthakumar Thiagarajan if (vif->sme_state == SME_CONNECTING) { 779bdcd8170SKalle Valo /* inform connect result to cfg80211 */ 78014ee6f6bSVasanthakumar Thiagarajan vif->sme_state = SME_CONNECTED; 781240d2799SVasanthakumar Thiagarajan cfg80211_connect_result(vif->ndev, bssid, 782bdcd8170SKalle Valo assoc_req_ie, assoc_req_len, 783bdcd8170SKalle Valo assoc_resp_ie, assoc_resp_len, 784bdcd8170SKalle Valo WLAN_STATUS_SUCCESS, GFP_KERNEL); 7855e13fd35SVasanthakumar Thiagarajan cfg80211_put_bss(bss); 78614ee6f6bSVasanthakumar Thiagarajan } else if (vif->sme_state == SME_CONNECTED) { 787bdcd8170SKalle Valo /* inform roam event to cfg80211 */ 7885e13fd35SVasanthakumar Thiagarajan cfg80211_roamed_bss(vif->ndev, bss, assoc_req_ie, assoc_req_len, 789bdcd8170SKalle Valo assoc_resp_ie, assoc_resp_len, GFP_KERNEL); 790bdcd8170SKalle Valo } 791bdcd8170SKalle Valo } 792bdcd8170SKalle Valo 793bdcd8170SKalle Valo static int ath6kl_cfg80211_disconnect(struct wiphy *wiphy, 794bdcd8170SKalle Valo struct net_device *dev, u16 reason_code) 795bdcd8170SKalle Valo { 796d6d5c06cSKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 7973450334fSVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 798bdcd8170SKalle Valo 799bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: reason=%u\n", __func__, 800bdcd8170SKalle Valo reason_code); 801bdcd8170SKalle Valo 80210509f90SKalle Valo ath6kl_cfg80211_sscan_disable(vif); 80310509f90SKalle Valo 804990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 805bdcd8170SKalle Valo return -EIO; 806bdcd8170SKalle Valo 807bdcd8170SKalle Valo if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) { 808bdcd8170SKalle Valo ath6kl_err("busy, destroy in progress\n"); 809bdcd8170SKalle Valo return -EBUSY; 810bdcd8170SKalle Valo } 811bdcd8170SKalle Valo 812bdcd8170SKalle Valo if (down_interruptible(&ar->sem)) { 813bdcd8170SKalle Valo ath6kl_err("busy, couldn't get access\n"); 814bdcd8170SKalle Valo return -ERESTARTSYS; 815bdcd8170SKalle Valo } 816bdcd8170SKalle Valo 817cf5333d7SVasanthakumar Thiagarajan vif->reconnect_flag = 0; 818240d2799SVasanthakumar Thiagarajan ath6kl_disconnect(vif); 8193450334fSVasanthakumar Thiagarajan memset(vif->ssid, 0, sizeof(vif->ssid)); 8203450334fSVasanthakumar Thiagarajan vif->ssid_len = 0; 821bdcd8170SKalle Valo 822bdcd8170SKalle Valo if (!test_bit(SKIP_SCAN, &ar->flag)) 8238c8b65e3SVasanthakumar Thiagarajan memset(vif->req_bssid, 0, sizeof(vif->req_bssid)); 824bdcd8170SKalle Valo 825bdcd8170SKalle Valo up(&ar->sem); 826bdcd8170SKalle Valo 82714ee6f6bSVasanthakumar Thiagarajan vif->sme_state = SME_DISCONNECTED; 828170826ddSVasanthakumar Thiagarajan 829bdcd8170SKalle Valo return 0; 830bdcd8170SKalle Valo } 831bdcd8170SKalle Valo 832240d2799SVasanthakumar Thiagarajan void ath6kl_cfg80211_disconnect_event(struct ath6kl_vif *vif, u8 reason, 833bdcd8170SKalle Valo u8 *bssid, u8 assoc_resp_len, 834bdcd8170SKalle Valo u8 *assoc_info, u16 proto_reason) 835bdcd8170SKalle Valo { 836240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 83759c98449SVasanthakumar Thiagarajan 83814ee6f6bSVasanthakumar Thiagarajan if (vif->scan_req) { 83914ee6f6bSVasanthakumar Thiagarajan cfg80211_scan_done(vif->scan_req, true); 84014ee6f6bSVasanthakumar Thiagarajan vif->scan_req = NULL; 841bdcd8170SKalle Valo } 842bdcd8170SKalle Valo 843f5938f24SVasanthakumar Thiagarajan if (vif->nw_type & ADHOC_NETWORK) { 844551959d8SVasanthakumar Thiagarajan if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC) { 845bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 846bdcd8170SKalle Valo "%s: ath6k not in ibss mode\n", __func__); 847bdcd8170SKalle Valo return; 848bdcd8170SKalle Valo } 849bdcd8170SKalle Valo memset(bssid, 0, ETH_ALEN); 850240d2799SVasanthakumar Thiagarajan cfg80211_ibss_joined(vif->ndev, bssid, GFP_KERNEL); 851bdcd8170SKalle Valo return; 852bdcd8170SKalle Valo } 853bdcd8170SKalle Valo 854f5938f24SVasanthakumar Thiagarajan if (vif->nw_type & INFRA_NETWORK) { 855551959d8SVasanthakumar Thiagarajan if (vif->wdev.iftype != NL80211_IFTYPE_STATION && 856551959d8SVasanthakumar Thiagarajan vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) { 857bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 858bdcd8170SKalle Valo "%s: ath6k not in station mode\n", __func__); 859bdcd8170SKalle Valo return; 860bdcd8170SKalle Valo } 861bdcd8170SKalle Valo } 862bdcd8170SKalle Valo 86359c98449SVasanthakumar Thiagarajan clear_bit(CONNECT_PEND, &vif->flags); 864bdcd8170SKalle Valo 86514ee6f6bSVasanthakumar Thiagarajan if (vif->sme_state == SME_CONNECTING) { 866240d2799SVasanthakumar Thiagarajan cfg80211_connect_result(vif->ndev, 867bdcd8170SKalle Valo bssid, NULL, 0, 868bdcd8170SKalle Valo NULL, 0, 869bdcd8170SKalle Valo WLAN_STATUS_UNSPECIFIED_FAILURE, 870bdcd8170SKalle Valo GFP_KERNEL); 87114ee6f6bSVasanthakumar Thiagarajan } else if (vif->sme_state == SME_CONNECTED) { 87233a6664aSThomas Pedersen cfg80211_disconnected(vif->ndev, proto_reason, 873bdcd8170SKalle Valo NULL, 0, GFP_KERNEL); 874bdcd8170SKalle Valo } 875bdcd8170SKalle Valo 87614ee6f6bSVasanthakumar Thiagarajan vif->sme_state = SME_DISCONNECTED; 87733a6664aSThomas Pedersen 87833a6664aSThomas Pedersen /* 87933a6664aSThomas Pedersen * Send a disconnect command to target when a disconnect event is 88033a6664aSThomas Pedersen * received with reason code other than 3 (DISCONNECT_CMD - disconnect 88133a6664aSThomas Pedersen * request from host) to make the firmware stop trying to connect even 88233a6664aSThomas Pedersen * after giving disconnect event. There will be one more disconnect 88333a6664aSThomas Pedersen * event for this disconnect command with reason code DISCONNECT_CMD 88433a6664aSThomas Pedersen * which won't be notified to cfg80211. 88533a6664aSThomas Pedersen */ 88633a6664aSThomas Pedersen if (reason != DISCONNECT_CMD) 88733a6664aSThomas Pedersen ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx); 888bdcd8170SKalle Valo } 889bdcd8170SKalle Valo 8903b8ffc6aSJouni Malinen static int ath6kl_set_probed_ssids(struct ath6kl *ar, 8913b8ffc6aSJouni Malinen struct ath6kl_vif *vif, 892dd45b759SNaveen Singh struct cfg80211_ssid *ssids, int n_ssids, 893dd45b759SNaveen Singh struct cfg80211_match_set *match_set, 894dd45b759SNaveen Singh int n_match_ssid) 8953b8ffc6aSJouni Malinen { 896dd45b759SNaveen Singh u8 i, j, index_to_add, ssid_found = false; 897dd45b759SNaveen Singh struct ath6kl_cfg80211_match_probe_ssid ssid_list[MAX_PROBED_SSIDS]; 8983b8ffc6aSJouni Malinen 899dd45b759SNaveen Singh memset(ssid_list, 0, sizeof(ssid_list)); 900dd45b759SNaveen Singh 901dd45b759SNaveen Singh if (n_ssids > MAX_PROBED_SSIDS || 902dd45b759SNaveen Singh n_match_ssid > MAX_PROBED_SSIDS) 9033b8ffc6aSJouni Malinen return -EINVAL; 9043b8ffc6aSJouni Malinen 9053b8ffc6aSJouni Malinen for (i = 0; i < n_ssids; i++) { 906dd45b759SNaveen Singh memcpy(ssid_list[i].ssid.ssid, 907dd45b759SNaveen Singh ssids[i].ssid, 908dd45b759SNaveen Singh ssids[i].ssid_len); 909dd45b759SNaveen Singh ssid_list[i].ssid.ssid_len = ssids[i].ssid_len; 910dd45b759SNaveen Singh 911dd45b759SNaveen Singh if (ssids[i].ssid_len) 912dd45b759SNaveen Singh ssid_list[i].flag = SPECIFIC_SSID_FLAG; 913dd45b759SNaveen Singh else 914dd45b759SNaveen Singh ssid_list[i].flag = ANY_SSID_FLAG; 915dd45b759SNaveen Singh 916dd45b759SNaveen Singh if (n_match_ssid == 0) 917dd45b759SNaveen Singh ssid_list[i].flag |= MATCH_SSID_FLAG; 918dd45b759SNaveen Singh } 919dd45b759SNaveen Singh 920dd45b759SNaveen Singh index_to_add = i; 921dd45b759SNaveen Singh 922dd45b759SNaveen Singh for (i = 0; i < n_match_ssid; i++) { 923dd45b759SNaveen Singh ssid_found = false; 924dd45b759SNaveen Singh 925dd45b759SNaveen Singh for (j = 0; j < n_ssids; j++) { 926dd45b759SNaveen Singh if ((match_set[i].ssid.ssid_len == 927dd45b759SNaveen Singh ssid_list[j].ssid.ssid_len) && 928dd45b759SNaveen Singh (!memcmp(ssid_list[j].ssid.ssid, 929dd45b759SNaveen Singh match_set[i].ssid.ssid, 930dd45b759SNaveen Singh match_set[i].ssid.ssid_len))) { 931dd45b759SNaveen Singh ssid_list[j].flag |= MATCH_SSID_FLAG; 932dd45b759SNaveen Singh ssid_found = true; 933dd45b759SNaveen Singh break; 934dd45b759SNaveen Singh } 935dd45b759SNaveen Singh } 936dd45b759SNaveen Singh 937dd45b759SNaveen Singh if (ssid_found) 938dd45b759SNaveen Singh continue; 939dd45b759SNaveen Singh 940dd45b759SNaveen Singh if (index_to_add >= MAX_PROBED_SSIDS) 941dd45b759SNaveen Singh continue; 942dd45b759SNaveen Singh 943dd45b759SNaveen Singh ssid_list[index_to_add].ssid.ssid_len = 944dd45b759SNaveen Singh match_set[i].ssid.ssid_len; 945dd45b759SNaveen Singh memcpy(ssid_list[index_to_add].ssid.ssid, 946dd45b759SNaveen Singh match_set[i].ssid.ssid, 947dd45b759SNaveen Singh match_set[i].ssid.ssid_len); 948dd45b759SNaveen Singh ssid_list[index_to_add].flag |= MATCH_SSID_FLAG; 949dd45b759SNaveen Singh index_to_add++; 950dd45b759SNaveen Singh } 951dd45b759SNaveen Singh 952dd45b759SNaveen Singh for (i = 0; i < index_to_add; i++) { 9533b8ffc6aSJouni Malinen ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, i, 954dd45b759SNaveen Singh ssid_list[i].flag, 955dd45b759SNaveen Singh ssid_list[i].ssid.ssid_len, 956dd45b759SNaveen Singh ssid_list[i].ssid.ssid); 957dd45b759SNaveen Singh 9583b8ffc6aSJouni Malinen } 9593b8ffc6aSJouni Malinen 9603b8ffc6aSJouni Malinen /* Make sure no old entries are left behind */ 961dd45b759SNaveen Singh for (i = index_to_add; i < MAX_PROBED_SSIDS; i++) { 9623b8ffc6aSJouni Malinen ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, i, 9633b8ffc6aSJouni Malinen DISABLE_SSID_FLAG, 0, NULL); 9643b8ffc6aSJouni Malinen } 9653b8ffc6aSJouni Malinen 9663b8ffc6aSJouni Malinen return 0; 9673b8ffc6aSJouni Malinen } 9683b8ffc6aSJouni Malinen 969fd014284SJohannes Berg static int ath6kl_cfg80211_scan(struct wiphy *wiphy, 970bdcd8170SKalle Valo struct cfg80211_scan_request *request) 971bdcd8170SKalle Valo { 972fd014284SJohannes Berg struct ath6kl_vif *vif = ath6kl_vif_from_wdev(request->wdev); 973fd014284SJohannes Berg struct ath6kl *ar = ath6kl_priv(vif->ndev); 9741276c9efSEdward Lu s8 n_channels = 0; 9751276c9efSEdward Lu u16 *channels = NULL; 976bdcd8170SKalle Valo int ret = 0; 977f1f92179SVasanthakumar Thiagarajan u32 force_fg_scan = 0; 978bdcd8170SKalle Valo 979990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 980bdcd8170SKalle Valo return -EIO; 981bdcd8170SKalle Valo 98210509f90SKalle Valo ath6kl_cfg80211_sscan_disable(vif); 98310509f90SKalle Valo 984bdcd8170SKalle Valo if (!ar->usr_bss_filter) { 98559c98449SVasanthakumar Thiagarajan clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags); 986954e6ce5SVasanthakumar Thiagarajan ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 987954e6ce5SVasanthakumar Thiagarajan ALL_BSS_FILTER, 0); 9881b1e6ee3SJouni Malinen if (ret) { 989bdcd8170SKalle Valo ath6kl_err("couldn't set bss filtering\n"); 9901b1e6ee3SJouni Malinen return ret; 991bdcd8170SKalle Valo } 992bdcd8170SKalle Valo } 993bdcd8170SKalle Valo 9943b8ffc6aSJouni Malinen ret = ath6kl_set_probed_ssids(ar, vif, request->ssids, 995dd45b759SNaveen Singh request->n_ssids, NULL, 0); 9963b8ffc6aSJouni Malinen if (ret < 0) 9973b8ffc6aSJouni Malinen return ret; 998bdcd8170SKalle Valo 999080eec4fSAarthi Thiruvengadam /* this also clears IE in fw if it's not set */ 1000334234b5SVasanthakumar Thiagarajan ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 1001334234b5SVasanthakumar Thiagarajan WMI_FRAME_PROBE_REQ, 1002b84da8c7SJouni Malinen request->ie, request->ie_len); 1003b84da8c7SJouni Malinen if (ret) { 1004f1ff32e8SJoe Perches ath6kl_err("failed to set Probe Request appie for scan\n"); 1005b84da8c7SJouni Malinen return ret; 1006b84da8c7SJouni Malinen } 1007b84da8c7SJouni Malinen 100811869befSJouni Malinen /* 100911869befSJouni Malinen * Scan only the requested channels if the request specifies a set of 101011869befSJouni Malinen * channels. If the list is longer than the target supports, do not 101111869befSJouni Malinen * configure the list and instead, scan all available channels. 101211869befSJouni Malinen */ 101311869befSJouni Malinen if (request->n_channels > 0 && 101411869befSJouni Malinen request->n_channels <= WMI_MAX_CHANNELS) { 10151276c9efSEdward Lu u8 i; 10161276c9efSEdward Lu 101711869befSJouni Malinen n_channels = request->n_channels; 10181276c9efSEdward Lu 10191276c9efSEdward Lu channels = kzalloc(n_channels * sizeof(u16), GFP_KERNEL); 10201276c9efSEdward Lu if (channels == NULL) { 1021cdeb8602SKalle Valo ath6kl_warn("failed to set scan channels, scan all channels"); 10221276c9efSEdward Lu n_channels = 0; 10231276c9efSEdward Lu } 10241276c9efSEdward Lu 10251276c9efSEdward Lu for (i = 0; i < n_channels; i++) 10261276c9efSEdward Lu channels[i] = request->channels[i]->center_freq; 10271276c9efSEdward Lu } 10281276c9efSEdward Lu 102959c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags)) 1030f1f92179SVasanthakumar Thiagarajan force_fg_scan = 1; 1031f1f92179SVasanthakumar Thiagarajan 10325b35dff0SRaja Mani vif->scan_req = request; 10335b35dff0SRaja Mani 10343ca9d1fcSAarthi Thiruvengadam if (test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX, 10353ca9d1fcSAarthi Thiruvengadam ar->fw_capabilities)) { 10363ca9d1fcSAarthi Thiruvengadam /* 10373ca9d1fcSAarthi Thiruvengadam * If capable of doing P2P mgmt operations using 10383ca9d1fcSAarthi Thiruvengadam * station interface, send additional information like 10393ca9d1fcSAarthi Thiruvengadam * supported rates to advertise and xmit rates for 10403ca9d1fcSAarthi Thiruvengadam * probe requests 10413ca9d1fcSAarthi Thiruvengadam */ 10423ca9d1fcSAarthi Thiruvengadam ret = ath6kl_wmi_beginscan_cmd(ar->wmi, vif->fw_vif_idx, 10433ca9d1fcSAarthi Thiruvengadam WMI_LONG_SCAN, force_fg_scan, 104413423c31SVasanthakumar Thiagarajan false, 0, 104513423c31SVasanthakumar Thiagarajan ATH6KL_FG_SCAN_INTERVAL, 104613423c31SVasanthakumar Thiagarajan n_channels, channels, 104713423c31SVasanthakumar Thiagarajan request->no_cck, 10483ca9d1fcSAarthi Thiruvengadam request->rates); 10493ca9d1fcSAarthi Thiruvengadam } else { 10503ca9d1fcSAarthi Thiruvengadam ret = ath6kl_wmi_startscan_cmd(ar->wmi, vif->fw_vif_idx, 10513ca9d1fcSAarthi Thiruvengadam WMI_LONG_SCAN, force_fg_scan, 105213423c31SVasanthakumar Thiagarajan false, 0, 105313423c31SVasanthakumar Thiagarajan ATH6KL_FG_SCAN_INTERVAL, 105413423c31SVasanthakumar Thiagarajan n_channels, channels); 10553ca9d1fcSAarthi Thiruvengadam } 10565b35dff0SRaja Mani if (ret) { 1057bdcd8170SKalle Valo ath6kl_err("wmi_startscan_cmd failed\n"); 10585b35dff0SRaja Mani vif->scan_req = NULL; 10595b35dff0SRaja Mani } 1060bdcd8170SKalle Valo 10611276c9efSEdward Lu kfree(channels); 10621276c9efSEdward Lu 1063bdcd8170SKalle Valo return ret; 1064bdcd8170SKalle Valo } 1065bdcd8170SKalle Valo 10661c17d313SKalle Valo void ath6kl_cfg80211_scan_complete_event(struct ath6kl_vif *vif, bool aborted) 1067bdcd8170SKalle Valo { 1068240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 10696fd1eaceSKalle Valo int i; 1070bdcd8170SKalle Valo 10711c17d313SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: status%s\n", __func__, 10721c17d313SKalle Valo aborted ? " aborted" : ""); 1073bdcd8170SKalle Valo 107414ee6f6bSVasanthakumar Thiagarajan if (!vif->scan_req) 10756fd1eaceSKalle Valo return; 10766fd1eaceSKalle Valo 10771c17d313SKalle Valo if (aborted) 10786fd1eaceSKalle Valo goto out; 1079bdcd8170SKalle Valo 108014ee6f6bSVasanthakumar Thiagarajan if (vif->scan_req->n_ssids && vif->scan_req->ssids[0].ssid_len) { 108114ee6f6bSVasanthakumar Thiagarajan for (i = 0; i < vif->scan_req->n_ssids; i++) { 1082334234b5SVasanthakumar Thiagarajan ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, 1083334234b5SVasanthakumar Thiagarajan i + 1, DISABLE_SSID_FLAG, 1084bdcd8170SKalle Valo 0, NULL); 1085bdcd8170SKalle Valo } 1086bdcd8170SKalle Valo } 10876fd1eaceSKalle Valo 10886fd1eaceSKalle Valo out: 1089cb93821aSKalle Valo cfg80211_scan_done(vif->scan_req, aborted); 109014ee6f6bSVasanthakumar Thiagarajan vif->scan_req = NULL; 1091bdcd8170SKalle Valo } 1092bdcd8170SKalle Valo 1093c4f7863eSThomas Pedersen void ath6kl_cfg80211_ch_switch_notify(struct ath6kl_vif *vif, int freq, 1094c4f7863eSThomas Pedersen enum wmi_phy_mode mode) 1095c4f7863eSThomas Pedersen { 1096683b6d3bSJohannes Berg struct cfg80211_chan_def chandef; 1097c4f7863eSThomas Pedersen 1098c4f7863eSThomas Pedersen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1099c4f7863eSThomas Pedersen "channel switch notify nw_type %d freq %d mode %d\n", 1100c4f7863eSThomas Pedersen vif->nw_type, freq, mode); 1101c4f7863eSThomas Pedersen 1102683b6d3bSJohannes Berg chandef.chan = ieee80211_get_channel(vif->ar->wiphy, freq); 1103683b6d3bSJohannes Berg if (WARN_ON(!chandef.chan)) 1104683b6d3bSJohannes Berg return; 1105c4f7863eSThomas Pedersen 1106683b6d3bSJohannes Berg chandef._type = (mode == WMI_11G_HT20) ? 1107683b6d3bSJohannes Berg NL80211_CHAN_HT20 : NL80211_CHAN_NO_HT; 1108683b6d3bSJohannes Berg 1109683b6d3bSJohannes Berg cfg80211_ch_switch_notify(vif->ndev, &chandef); 1110c4f7863eSThomas Pedersen } 1111c4f7863eSThomas Pedersen 1112bdcd8170SKalle Valo static int ath6kl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev, 1113bdcd8170SKalle Valo u8 key_index, bool pairwise, 1114bdcd8170SKalle Valo const u8 *mac_addr, 1115bdcd8170SKalle Valo struct key_params *params) 1116bdcd8170SKalle Valo { 1117d6d5c06cSKalle Valo struct ath6kl *ar = ath6kl_priv(ndev); 111859c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 1119bdcd8170SKalle Valo struct ath6kl_key *key = NULL; 11204a8ce2fdSSujith Manoharan int seq_len; 1121bdcd8170SKalle Valo u8 key_usage; 1122bdcd8170SKalle Valo u8 key_type; 1123bdcd8170SKalle Valo 1124990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1125bdcd8170SKalle Valo return -EIO; 1126bdcd8170SKalle Valo 1127837cb97eSJouni Malinen if (params->cipher == CCKM_KRK_CIPHER_SUITE) { 1128837cb97eSJouni Malinen if (params->key_len != WMI_KRK_LEN) 1129837cb97eSJouni Malinen return -EINVAL; 1130240d2799SVasanthakumar Thiagarajan return ath6kl_wmi_add_krk_cmd(ar->wmi, vif->fw_vif_idx, 1131240d2799SVasanthakumar Thiagarajan params->key); 1132837cb97eSJouni Malinen } 1133837cb97eSJouni Malinen 1134792ecb33SVivek Natarajan if (key_index > WMI_MAX_KEY_INDEX) { 1135bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1136bdcd8170SKalle Valo "%s: key index %d out of bounds\n", __func__, 1137bdcd8170SKalle Valo key_index); 1138bdcd8170SKalle Valo return -ENOENT; 1139bdcd8170SKalle Valo } 1140bdcd8170SKalle Valo 11416f2a73f9SVasanthakumar Thiagarajan key = &vif->keys[key_index]; 1142bdcd8170SKalle Valo memset(key, 0, sizeof(struct ath6kl_key)); 1143bdcd8170SKalle Valo 1144bdcd8170SKalle Valo if (pairwise) 1145bdcd8170SKalle Valo key_usage = PAIRWISE_USAGE; 1146bdcd8170SKalle Valo else 1147bdcd8170SKalle Valo key_usage = GROUP_USAGE; 1148bdcd8170SKalle Valo 11494a8ce2fdSSujith Manoharan seq_len = params->seq_len; 11505e07021eSDai Shuibing if (params->cipher == WLAN_CIPHER_SUITE_SMS4 && 11515e07021eSDai Shuibing seq_len > ATH6KL_KEY_SEQ_LEN) { 11525e07021eSDai Shuibing /* Only first half of the WPI PN is configured */ 11535e07021eSDai Shuibing seq_len = ATH6KL_KEY_SEQ_LEN; 11545e07021eSDai Shuibing } 1155bdcd8170SKalle Valo if (params->key_len > WLAN_MAX_KEY_LEN || 11565e07021eSDai Shuibing seq_len > sizeof(key->seq)) 1157bdcd8170SKalle Valo return -EINVAL; 1158bdcd8170SKalle Valo 1159bdcd8170SKalle Valo key->key_len = params->key_len; 1160bdcd8170SKalle Valo memcpy(key->key, params->key, key->key_len); 11615e07021eSDai Shuibing key->seq_len = seq_len; 1162bdcd8170SKalle Valo memcpy(key->seq, params->seq, key->seq_len); 1163bdcd8170SKalle Valo key->cipher = params->cipher; 1164bdcd8170SKalle Valo 1165bdcd8170SKalle Valo switch (key->cipher) { 1166bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_WEP40: 1167bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_WEP104: 1168bdcd8170SKalle Valo key_type = WEP_CRYPT; 1169bdcd8170SKalle Valo break; 1170bdcd8170SKalle Valo 1171bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_TKIP: 1172bdcd8170SKalle Valo key_type = TKIP_CRYPT; 1173bdcd8170SKalle Valo break; 1174bdcd8170SKalle Valo 1175bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_CCMP: 1176bdcd8170SKalle Valo key_type = AES_CRYPT; 1177bdcd8170SKalle Valo break; 11785e07021eSDai Shuibing case WLAN_CIPHER_SUITE_SMS4: 11795e07021eSDai Shuibing key_type = WAPI_CRYPT; 11805e07021eSDai Shuibing break; 1181bdcd8170SKalle Valo 1182bdcd8170SKalle Valo default: 1183bdcd8170SKalle Valo return -ENOTSUPP; 1184bdcd8170SKalle Valo } 1185bdcd8170SKalle Valo 1186ddc3d77cSKalle Valo if (((vif->auth_mode == WPA_PSK_AUTH) || 1187ddc3d77cSKalle Valo (vif->auth_mode == WPA2_PSK_AUTH)) && 1188ddc3d77cSKalle Valo (key_usage & GROUP_USAGE)) 1189de3ad713SVasanthakumar Thiagarajan del_timer(&vif->disconnect_timer); 1190bdcd8170SKalle Valo 1191bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1192bdcd8170SKalle Valo "%s: index %d, key_len %d, key_type 0x%x, key_usage 0x%x, seq_len %d\n", 1193bdcd8170SKalle Valo __func__, key_index, key->key_len, key_type, 1194bdcd8170SKalle Valo key_usage, key->seq_len); 1195bdcd8170SKalle Valo 1196f5938f24SVasanthakumar Thiagarajan if (vif->nw_type == AP_NETWORK && !pairwise && 11974703290aSJouni Malinen (key_type == TKIP_CRYPT || key_type == AES_CRYPT || 1198cc4d623dSVasanthakumar Thiagarajan key_type == WAPI_CRYPT)) { 11999a5b1318SJouni Malinen ar->ap_mode_bkey.valid = true; 12009a5b1318SJouni Malinen ar->ap_mode_bkey.key_index = key_index; 12019a5b1318SJouni Malinen ar->ap_mode_bkey.key_type = key_type; 12029a5b1318SJouni Malinen ar->ap_mode_bkey.key_len = key->key_len; 12039a5b1318SJouni Malinen memcpy(ar->ap_mode_bkey.key, key->key, key->key_len); 120459c98449SVasanthakumar Thiagarajan if (!test_bit(CONNECTED, &vif->flags)) { 1205cdeb8602SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1206cdeb8602SKalle Valo "Delay initial group key configuration until AP mode has been started\n"); 12079a5b1318SJouni Malinen /* 12089a5b1318SJouni Malinen * The key will be set in ath6kl_connect_ap_mode() once 12099a5b1318SJouni Malinen * the connected event is received from the target. 12109a5b1318SJouni Malinen */ 12119a5b1318SJouni Malinen return 0; 12129a5b1318SJouni Malinen } 12139a5b1318SJouni Malinen } 12149a5b1318SJouni Malinen 1215f5938f24SVasanthakumar Thiagarajan if (vif->next_mode == AP_NETWORK && key_type == WEP_CRYPT && 121659c98449SVasanthakumar Thiagarajan !test_bit(CONNECTED, &vif->flags)) { 1217151411e8SJouni Malinen /* 1218151411e8SJouni Malinen * Store the key locally so that it can be re-configured after 1219151411e8SJouni Malinen * the AP mode has properly started 1220151411e8SJouni Malinen * (ath6kl_install_statioc_wep_keys). 1221151411e8SJouni Malinen */ 1222cdeb8602SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1223cdeb8602SKalle Valo "Delay WEP key configuration until AP mode has been started\n"); 12246f2a73f9SVasanthakumar Thiagarajan vif->wep_key_list[key_index].key_len = key->key_len; 12256f2a73f9SVasanthakumar Thiagarajan memcpy(vif->wep_key_list[key_index].key, key->key, 12266f2a73f9SVasanthakumar Thiagarajan key->key_len); 1227151411e8SJouni Malinen return 0; 1228151411e8SJouni Malinen } 1229151411e8SJouni Malinen 12307cefa44fSVasanthakumar Thiagarajan return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, key_index, 1231bdcd8170SKalle Valo key_type, key_usage, key->key_len, 1232f4bb9a6fSJouni Malinen key->seq, key->seq_len, key->key, 1233f4bb9a6fSJouni Malinen KEY_OP_INIT_VAL, 1234bdcd8170SKalle Valo (u8 *) mac_addr, SYNC_BOTH_WMIFLAG); 1235bdcd8170SKalle Valo } 1236bdcd8170SKalle Valo 1237bdcd8170SKalle Valo static int ath6kl_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev, 1238bdcd8170SKalle Valo u8 key_index, bool pairwise, 1239bdcd8170SKalle Valo const u8 *mac_addr) 1240bdcd8170SKalle Valo { 1241d6d5c06cSKalle Valo struct ath6kl *ar = ath6kl_priv(ndev); 12426f2a73f9SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 1243bdcd8170SKalle Valo 1244bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index); 1245bdcd8170SKalle Valo 1246990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1247bdcd8170SKalle Valo return -EIO; 1248bdcd8170SKalle Valo 1249792ecb33SVivek Natarajan if (key_index > WMI_MAX_KEY_INDEX) { 1250bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1251bdcd8170SKalle Valo "%s: key index %d out of bounds\n", __func__, 1252bdcd8170SKalle Valo key_index); 1253bdcd8170SKalle Valo return -ENOENT; 1254bdcd8170SKalle Valo } 1255bdcd8170SKalle Valo 12566f2a73f9SVasanthakumar Thiagarajan if (!vif->keys[key_index].key_len) { 1257bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1258bdcd8170SKalle Valo "%s: index %d is empty\n", __func__, key_index); 1259bdcd8170SKalle Valo return 0; 1260bdcd8170SKalle Valo } 1261bdcd8170SKalle Valo 12626f2a73f9SVasanthakumar Thiagarajan vif->keys[key_index].key_len = 0; 1263bdcd8170SKalle Valo 1264334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_deletekey_cmd(ar->wmi, vif->fw_vif_idx, key_index); 1265bdcd8170SKalle Valo } 1266bdcd8170SKalle Valo 1267bdcd8170SKalle Valo static int ath6kl_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev, 1268bdcd8170SKalle Valo u8 key_index, bool pairwise, 1269bdcd8170SKalle Valo const u8 *mac_addr, void *cookie, 1270bdcd8170SKalle Valo void (*callback) (void *cookie, 1271bdcd8170SKalle Valo struct key_params *)) 1272bdcd8170SKalle Valo { 12736f2a73f9SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 1274bdcd8170SKalle Valo struct ath6kl_key *key = NULL; 1275bdcd8170SKalle Valo struct key_params params; 1276bdcd8170SKalle Valo 1277bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index); 1278bdcd8170SKalle Valo 1279990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1280bdcd8170SKalle Valo return -EIO; 1281bdcd8170SKalle Valo 1282792ecb33SVivek Natarajan if (key_index > WMI_MAX_KEY_INDEX) { 1283bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1284bdcd8170SKalle Valo "%s: key index %d out of bounds\n", __func__, 1285bdcd8170SKalle Valo key_index); 1286bdcd8170SKalle Valo return -ENOENT; 1287bdcd8170SKalle Valo } 1288bdcd8170SKalle Valo 12896f2a73f9SVasanthakumar Thiagarajan key = &vif->keys[key_index]; 1290bdcd8170SKalle Valo memset(¶ms, 0, sizeof(params)); 1291bdcd8170SKalle Valo params.cipher = key->cipher; 1292bdcd8170SKalle Valo params.key_len = key->key_len; 1293bdcd8170SKalle Valo params.seq_len = key->seq_len; 1294bdcd8170SKalle Valo params.seq = key->seq; 1295bdcd8170SKalle Valo params.key = key->key; 1296bdcd8170SKalle Valo 1297bdcd8170SKalle Valo callback(cookie, ¶ms); 1298bdcd8170SKalle Valo 1299bdcd8170SKalle Valo return key->key_len ? 0 : -ENOENT; 1300bdcd8170SKalle Valo } 1301bdcd8170SKalle Valo 1302bdcd8170SKalle Valo static int ath6kl_cfg80211_set_default_key(struct wiphy *wiphy, 1303bdcd8170SKalle Valo struct net_device *ndev, 1304bdcd8170SKalle Valo u8 key_index, bool unicast, 1305bdcd8170SKalle Valo bool multicast) 1306bdcd8170SKalle Valo { 1307d6d5c06cSKalle Valo struct ath6kl *ar = ath6kl_priv(ndev); 130859c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 1309bdcd8170SKalle Valo struct ath6kl_key *key = NULL; 1310bdcd8170SKalle Valo u8 key_usage; 1311229ed6b5SEdward Lu enum crypto_type key_type = NONE_CRYPT; 1312bdcd8170SKalle Valo 1313bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index); 1314bdcd8170SKalle Valo 1315990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1316bdcd8170SKalle Valo return -EIO; 1317bdcd8170SKalle Valo 1318792ecb33SVivek Natarajan if (key_index > WMI_MAX_KEY_INDEX) { 1319bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1320bdcd8170SKalle Valo "%s: key index %d out of bounds\n", 1321bdcd8170SKalle Valo __func__, key_index); 1322bdcd8170SKalle Valo return -ENOENT; 1323bdcd8170SKalle Valo } 1324bdcd8170SKalle Valo 13256f2a73f9SVasanthakumar Thiagarajan if (!vif->keys[key_index].key_len) { 1326bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: invalid key index %d\n", 1327bdcd8170SKalle Valo __func__, key_index); 1328bdcd8170SKalle Valo return -EINVAL; 1329bdcd8170SKalle Valo } 1330bdcd8170SKalle Valo 13313450334fSVasanthakumar Thiagarajan vif->def_txkey_index = key_index; 13326f2a73f9SVasanthakumar Thiagarajan key = &vif->keys[vif->def_txkey_index]; 1333bdcd8170SKalle Valo key_usage = GROUP_USAGE; 13343450334fSVasanthakumar Thiagarajan if (vif->prwise_crypto == WEP_CRYPT) 1335bdcd8170SKalle Valo key_usage |= TX_USAGE; 1336229ed6b5SEdward Lu if (unicast) 13373450334fSVasanthakumar Thiagarajan key_type = vif->prwise_crypto; 1338229ed6b5SEdward Lu if (multicast) 13393450334fSVasanthakumar Thiagarajan key_type = vif->grp_crypto; 1340bdcd8170SKalle Valo 1341f5938f24SVasanthakumar Thiagarajan if (vif->next_mode == AP_NETWORK && !test_bit(CONNECTED, &vif->flags)) 13429a5b1318SJouni Malinen return 0; /* Delay until AP mode has been started */ 13439a5b1318SJouni Malinen 1344f3e61eceSJouni Malinen return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, 1345334234b5SVasanthakumar Thiagarajan vif->def_txkey_index, 1346229ed6b5SEdward Lu key_type, key_usage, 1347f4bb9a6fSJouni Malinen key->key_len, key->seq, key->seq_len, 1348f4bb9a6fSJouni Malinen key->key, 1349bdcd8170SKalle Valo KEY_OP_INIT_VAL, NULL, 1350bdcd8170SKalle Valo SYNC_BOTH_WMIFLAG); 1351bdcd8170SKalle Valo } 1352bdcd8170SKalle Valo 1353240d2799SVasanthakumar Thiagarajan void ath6kl_cfg80211_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid, 1354bdcd8170SKalle Valo bool ismcast) 1355bdcd8170SKalle Valo { 1356bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1357bdcd8170SKalle Valo "%s: keyid %d, ismcast %d\n", __func__, keyid, ismcast); 1358bdcd8170SKalle Valo 1359240d2799SVasanthakumar Thiagarajan cfg80211_michael_mic_failure(vif->ndev, vif->bssid, 1360bdcd8170SKalle Valo (ismcast ? NL80211_KEYTYPE_GROUP : 1361bdcd8170SKalle Valo NL80211_KEYTYPE_PAIRWISE), keyid, NULL, 1362bdcd8170SKalle Valo GFP_KERNEL); 1363bdcd8170SKalle Valo } 1364bdcd8170SKalle Valo 1365bdcd8170SKalle Valo static int ath6kl_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) 1366bdcd8170SKalle Valo { 1367bdcd8170SKalle Valo struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy); 1368990bd915SVasanthakumar Thiagarajan struct ath6kl_vif *vif; 1369bdcd8170SKalle Valo int ret; 1370bdcd8170SKalle Valo 1371bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: changed 0x%x\n", __func__, 1372bdcd8170SKalle Valo changed); 1373bdcd8170SKalle Valo 1374990bd915SVasanthakumar Thiagarajan vif = ath6kl_vif_first(ar); 1375990bd915SVasanthakumar Thiagarajan if (!vif) 1376990bd915SVasanthakumar Thiagarajan return -EIO; 1377990bd915SVasanthakumar Thiagarajan 1378990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1379bdcd8170SKalle Valo return -EIO; 1380bdcd8170SKalle Valo 1381bdcd8170SKalle Valo if (changed & WIPHY_PARAM_RTS_THRESHOLD) { 1382bdcd8170SKalle Valo ret = ath6kl_wmi_set_rts_cmd(ar->wmi, wiphy->rts_threshold); 1383bdcd8170SKalle Valo if (ret != 0) { 1384bdcd8170SKalle Valo ath6kl_err("ath6kl_wmi_set_rts_cmd failed\n"); 1385bdcd8170SKalle Valo return -EIO; 1386bdcd8170SKalle Valo } 1387bdcd8170SKalle Valo } 1388bdcd8170SKalle Valo 1389bdcd8170SKalle Valo return 0; 1390bdcd8170SKalle Valo } 1391bdcd8170SKalle Valo 1392bdcd8170SKalle Valo static int ath6kl_cfg80211_set_txpower(struct wiphy *wiphy, 1393c8442118SJohannes Berg struct wireless_dev *wdev, 1394bdcd8170SKalle Valo enum nl80211_tx_power_setting type, 1395b992a285SLuis R. Rodriguez int mbm) 1396bdcd8170SKalle Valo { 1397bdcd8170SKalle Valo struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy); 1398990bd915SVasanthakumar Thiagarajan struct ath6kl_vif *vif; 1399b992a285SLuis R. Rodriguez int dbm = MBM_TO_DBM(mbm); 1400bdcd8170SKalle Valo 1401bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x, dbm %d\n", __func__, 1402bdcd8170SKalle Valo type, dbm); 1403bdcd8170SKalle Valo 1404990bd915SVasanthakumar Thiagarajan vif = ath6kl_vif_first(ar); 1405990bd915SVasanthakumar Thiagarajan if (!vif) 1406990bd915SVasanthakumar Thiagarajan return -EIO; 1407990bd915SVasanthakumar Thiagarajan 1408990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1409bdcd8170SKalle Valo return -EIO; 1410bdcd8170SKalle Valo 1411bdcd8170SKalle Valo switch (type) { 1412bdcd8170SKalle Valo case NL80211_TX_POWER_AUTOMATIC: 1413bdcd8170SKalle Valo return 0; 1414bdcd8170SKalle Valo case NL80211_TX_POWER_LIMITED: 1415d0d670abSKalle Valo ar->tx_pwr = dbm; 1416bdcd8170SKalle Valo break; 1417bdcd8170SKalle Valo default: 1418bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x not supported\n", 1419bdcd8170SKalle Valo __func__, type); 1420bdcd8170SKalle Valo return -EOPNOTSUPP; 1421bdcd8170SKalle Valo } 1422bdcd8170SKalle Valo 1423d0d670abSKalle Valo ath6kl_wmi_set_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx, dbm); 1424bdcd8170SKalle Valo 1425bdcd8170SKalle Valo return 0; 1426bdcd8170SKalle Valo } 1427bdcd8170SKalle Valo 1428c8442118SJohannes Berg static int ath6kl_cfg80211_get_txpower(struct wiphy *wiphy, 1429c8442118SJohannes Berg struct wireless_dev *wdev, 1430c8442118SJohannes Berg int *dbm) 1431bdcd8170SKalle Valo { 1432bdcd8170SKalle Valo struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy); 1433990bd915SVasanthakumar Thiagarajan struct ath6kl_vif *vif; 1434bdcd8170SKalle Valo 1435990bd915SVasanthakumar Thiagarajan vif = ath6kl_vif_first(ar); 1436990bd915SVasanthakumar Thiagarajan if (!vif) 1437990bd915SVasanthakumar Thiagarajan return -EIO; 1438990bd915SVasanthakumar Thiagarajan 1439990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1440bdcd8170SKalle Valo return -EIO; 1441bdcd8170SKalle Valo 144259c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags)) { 1443bdcd8170SKalle Valo ar->tx_pwr = 0; 1444bdcd8170SKalle Valo 1445990bd915SVasanthakumar Thiagarajan if (ath6kl_wmi_get_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx) != 0) { 1446bdcd8170SKalle Valo ath6kl_err("ath6kl_wmi_get_tx_pwr_cmd failed\n"); 1447bdcd8170SKalle Valo return -EIO; 1448bdcd8170SKalle Valo } 1449bdcd8170SKalle Valo 1450bdcd8170SKalle Valo wait_event_interruptible_timeout(ar->event_wq, ar->tx_pwr != 0, 1451bdcd8170SKalle Valo 5 * HZ); 1452bdcd8170SKalle Valo 1453bdcd8170SKalle Valo if (signal_pending(current)) { 1454bdcd8170SKalle Valo ath6kl_err("target did not respond\n"); 1455bdcd8170SKalle Valo return -EINTR; 1456bdcd8170SKalle Valo } 1457bdcd8170SKalle Valo } 1458bdcd8170SKalle Valo 1459bdcd8170SKalle Valo *dbm = ar->tx_pwr; 1460bdcd8170SKalle Valo return 0; 1461bdcd8170SKalle Valo } 1462bdcd8170SKalle Valo 1463bdcd8170SKalle Valo static int ath6kl_cfg80211_set_power_mgmt(struct wiphy *wiphy, 1464bdcd8170SKalle Valo struct net_device *dev, 1465bdcd8170SKalle Valo bool pmgmt, int timeout) 1466bdcd8170SKalle Valo { 1467bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 1468bdcd8170SKalle Valo struct wmi_power_mode_cmd mode; 1469334234b5SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1470bdcd8170SKalle Valo 1471bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: pmgmt %d, timeout %d\n", 1472bdcd8170SKalle Valo __func__, pmgmt, timeout); 1473bdcd8170SKalle Valo 1474990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1475bdcd8170SKalle Valo return -EIO; 1476bdcd8170SKalle Valo 1477bdcd8170SKalle Valo if (pmgmt) { 1478bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: max perf\n", __func__); 1479bdcd8170SKalle Valo mode.pwr_mode = REC_POWER; 1480bdcd8170SKalle Valo } else { 1481bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: rec power\n", __func__); 1482bdcd8170SKalle Valo mode.pwr_mode = MAX_PERF_POWER; 1483bdcd8170SKalle Valo } 1484bdcd8170SKalle Valo 1485334234b5SVasanthakumar Thiagarajan if (ath6kl_wmi_powermode_cmd(ar->wmi, vif->fw_vif_idx, 1486334234b5SVasanthakumar Thiagarajan mode.pwr_mode) != 0) { 1487bdcd8170SKalle Valo ath6kl_err("wmi_powermode_cmd failed\n"); 1488bdcd8170SKalle Valo return -EIO; 1489bdcd8170SKalle Valo } 1490bdcd8170SKalle Valo 1491bdcd8170SKalle Valo return 0; 1492bdcd8170SKalle Valo } 1493bdcd8170SKalle Valo 149484efbb84SJohannes Berg static struct wireless_dev *ath6kl_cfg80211_add_iface(struct wiphy *wiphy, 1495552bff0cSJohannes Berg const char *name, 149655055976SVasanthakumar Thiagarajan enum nl80211_iftype type, 149755055976SVasanthakumar Thiagarajan u32 *flags, 149855055976SVasanthakumar Thiagarajan struct vif_params *params) 149955055976SVasanthakumar Thiagarajan { 150055055976SVasanthakumar Thiagarajan struct ath6kl *ar = wiphy_priv(wiphy); 150184efbb84SJohannes Berg struct wireless_dev *wdev; 150255055976SVasanthakumar Thiagarajan u8 if_idx, nw_type; 150355055976SVasanthakumar Thiagarajan 150471f96ee6SKalle Valo if (ar->num_vif == ar->vif_max) { 150555055976SVasanthakumar Thiagarajan ath6kl_err("Reached maximum number of supported vif\n"); 150655055976SVasanthakumar Thiagarajan return ERR_PTR(-EINVAL); 150755055976SVasanthakumar Thiagarajan } 150855055976SVasanthakumar Thiagarajan 150955055976SVasanthakumar Thiagarajan if (!ath6kl_is_valid_iftype(ar, type, &if_idx, &nw_type)) { 151055055976SVasanthakumar Thiagarajan ath6kl_err("Not a supported interface type\n"); 151155055976SVasanthakumar Thiagarajan return ERR_PTR(-EINVAL); 151255055976SVasanthakumar Thiagarajan } 151355055976SVasanthakumar Thiagarajan 151484efbb84SJohannes Berg wdev = ath6kl_interface_add(ar, name, type, if_idx, nw_type); 151584efbb84SJohannes Berg if (!wdev) 151655055976SVasanthakumar Thiagarajan return ERR_PTR(-ENOMEM); 151755055976SVasanthakumar Thiagarajan 151855055976SVasanthakumar Thiagarajan ar->num_vif++; 151955055976SVasanthakumar Thiagarajan 152084efbb84SJohannes Berg return wdev; 152155055976SVasanthakumar Thiagarajan } 152255055976SVasanthakumar Thiagarajan 152355055976SVasanthakumar Thiagarajan static int ath6kl_cfg80211_del_iface(struct wiphy *wiphy, 152484efbb84SJohannes Berg struct wireless_dev *wdev) 152555055976SVasanthakumar Thiagarajan { 152655055976SVasanthakumar Thiagarajan struct ath6kl *ar = wiphy_priv(wiphy); 152784efbb84SJohannes Berg struct ath6kl_vif *vif = netdev_priv(wdev->netdev); 152855055976SVasanthakumar Thiagarajan 152911f6e40dSVasanthakumar Thiagarajan spin_lock_bh(&ar->list_lock); 153055055976SVasanthakumar Thiagarajan list_del(&vif->list); 153111f6e40dSVasanthakumar Thiagarajan spin_unlock_bh(&ar->list_lock); 153255055976SVasanthakumar Thiagarajan 153355055976SVasanthakumar Thiagarajan ath6kl_cleanup_vif(vif, test_bit(WMI_READY, &ar->flag)); 153455055976SVasanthakumar Thiagarajan 1535c25889e8SKalle Valo ath6kl_cfg80211_vif_cleanup(vif); 153655055976SVasanthakumar Thiagarajan 153755055976SVasanthakumar Thiagarajan return 0; 153855055976SVasanthakumar Thiagarajan } 153955055976SVasanthakumar Thiagarajan 1540bdcd8170SKalle Valo static int ath6kl_cfg80211_change_iface(struct wiphy *wiphy, 1541bdcd8170SKalle Valo struct net_device *ndev, 1542bdcd8170SKalle Valo enum nl80211_iftype type, u32 *flags, 1543bdcd8170SKalle Valo struct vif_params *params) 1544bdcd8170SKalle Valo { 1545f5938f24SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 15461e8d13b0SVasanthakumar Thiagarajan int i; 1547bdcd8170SKalle Valo 1548bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type %u\n", __func__, type); 1549bdcd8170SKalle Valo 15501e8d13b0SVasanthakumar Thiagarajan /* 15511e8d13b0SVasanthakumar Thiagarajan * Don't bring up p2p on an interface which is not initialized 15521e8d13b0SVasanthakumar Thiagarajan * for p2p operation where fw does not have capability to switch 15531e8d13b0SVasanthakumar Thiagarajan * dynamically between non-p2p and p2p type interface. 15541e8d13b0SVasanthakumar Thiagarajan */ 15551e8d13b0SVasanthakumar Thiagarajan if (!test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX, 15561e8d13b0SVasanthakumar Thiagarajan vif->ar->fw_capabilities) && 15571e8d13b0SVasanthakumar Thiagarajan (type == NL80211_IFTYPE_P2P_CLIENT || 15581e8d13b0SVasanthakumar Thiagarajan type == NL80211_IFTYPE_P2P_GO)) { 15591e8d13b0SVasanthakumar Thiagarajan if (vif->ar->vif_max == 1) { 15601e8d13b0SVasanthakumar Thiagarajan if (vif->fw_vif_idx != 0) 15611e8d13b0SVasanthakumar Thiagarajan return -EINVAL; 15621e8d13b0SVasanthakumar Thiagarajan else 15631e8d13b0SVasanthakumar Thiagarajan goto set_iface_type; 15641e8d13b0SVasanthakumar Thiagarajan } 15651e8d13b0SVasanthakumar Thiagarajan 15661e8d13b0SVasanthakumar Thiagarajan for (i = vif->ar->max_norm_iface; i < vif->ar->vif_max; i++) { 15671e8d13b0SVasanthakumar Thiagarajan if (i == vif->fw_vif_idx) 15681e8d13b0SVasanthakumar Thiagarajan break; 15691e8d13b0SVasanthakumar Thiagarajan } 15701e8d13b0SVasanthakumar Thiagarajan 15711e8d13b0SVasanthakumar Thiagarajan if (i == vif->ar->vif_max) { 15721e8d13b0SVasanthakumar Thiagarajan ath6kl_err("Invalid interface to bring up P2P\n"); 15731e8d13b0SVasanthakumar Thiagarajan return -EINVAL; 15741e8d13b0SVasanthakumar Thiagarajan } 15751e8d13b0SVasanthakumar Thiagarajan } 15761e8d13b0SVasanthakumar Thiagarajan 1577c422d52dSThomas Pedersen /* need to clean up enhanced bmiss detection fw state */ 1578c422d52dSThomas Pedersen ath6kl_cfg80211_sta_bmiss_enhance(vif, false); 1579c422d52dSThomas Pedersen 15801e8d13b0SVasanthakumar Thiagarajan set_iface_type: 1581bdcd8170SKalle Valo switch (type) { 1582bdcd8170SKalle Valo case NL80211_IFTYPE_STATION: 1583f5938f24SVasanthakumar Thiagarajan vif->next_mode = INFRA_NETWORK; 1584bdcd8170SKalle Valo break; 1585bdcd8170SKalle Valo case NL80211_IFTYPE_ADHOC: 1586f5938f24SVasanthakumar Thiagarajan vif->next_mode = ADHOC_NETWORK; 1587bdcd8170SKalle Valo break; 15886e4604c8SJouni Malinen case NL80211_IFTYPE_AP: 1589f5938f24SVasanthakumar Thiagarajan vif->next_mode = AP_NETWORK; 15906e4604c8SJouni Malinen break; 15916b5e5d25SJouni Malinen case NL80211_IFTYPE_P2P_CLIENT: 1592f5938f24SVasanthakumar Thiagarajan vif->next_mode = INFRA_NETWORK; 15936b5e5d25SJouni Malinen break; 15946b5e5d25SJouni Malinen case NL80211_IFTYPE_P2P_GO: 1595f5938f24SVasanthakumar Thiagarajan vif->next_mode = AP_NETWORK; 15966b5e5d25SJouni Malinen break; 1597bdcd8170SKalle Valo default: 1598bdcd8170SKalle Valo ath6kl_err("invalid interface type %u\n", type); 1599bdcd8170SKalle Valo return -EOPNOTSUPP; 1600bdcd8170SKalle Valo } 1601bdcd8170SKalle Valo 1602551959d8SVasanthakumar Thiagarajan vif->wdev.iftype = type; 1603bdcd8170SKalle Valo 1604bdcd8170SKalle Valo return 0; 1605bdcd8170SKalle Valo } 1606bdcd8170SKalle Valo 1607bdcd8170SKalle Valo static int ath6kl_cfg80211_join_ibss(struct wiphy *wiphy, 1608bdcd8170SKalle Valo struct net_device *dev, 1609bdcd8170SKalle Valo struct cfg80211_ibss_params *ibss_param) 1610bdcd8170SKalle Valo { 1611bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 161259c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1613bdcd8170SKalle Valo int status; 1614bdcd8170SKalle Valo 1615990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1616bdcd8170SKalle Valo return -EIO; 1617bdcd8170SKalle Valo 16183450334fSVasanthakumar Thiagarajan vif->ssid_len = ibss_param->ssid_len; 16193450334fSVasanthakumar Thiagarajan memcpy(vif->ssid, ibss_param->ssid, vif->ssid_len); 1620bdcd8170SKalle Valo 1621683b6d3bSJohannes Berg if (ibss_param->chandef.chan) 1622683b6d3bSJohannes Berg vif->ch_hint = ibss_param->chandef.chan->center_freq; 1623bdcd8170SKalle Valo 1624bdcd8170SKalle Valo if (ibss_param->channel_fixed) { 1625bdcd8170SKalle Valo /* 1626bdcd8170SKalle Valo * TODO: channel_fixed: The channel should be fixed, do not 1627bdcd8170SKalle Valo * search for IBSSs to join on other channels. Target 1628bdcd8170SKalle Valo * firmware does not support this feature, needs to be 1629bdcd8170SKalle Valo * updated. 1630bdcd8170SKalle Valo */ 1631bdcd8170SKalle Valo return -EOPNOTSUPP; 1632bdcd8170SKalle Valo } 1633bdcd8170SKalle Valo 16348c8b65e3SVasanthakumar Thiagarajan memset(vif->req_bssid, 0, sizeof(vif->req_bssid)); 1635bdcd8170SKalle Valo if (ibss_param->bssid && !is_broadcast_ether_addr(ibss_param->bssid)) 16368c8b65e3SVasanthakumar Thiagarajan memcpy(vif->req_bssid, ibss_param->bssid, 16378c8b65e3SVasanthakumar Thiagarajan sizeof(vif->req_bssid)); 1638bdcd8170SKalle Valo 1639240d2799SVasanthakumar Thiagarajan ath6kl_set_wpa_version(vif, 0); 1640bdcd8170SKalle Valo 1641240d2799SVasanthakumar Thiagarajan status = ath6kl_set_auth_type(vif, NL80211_AUTHTYPE_OPEN_SYSTEM); 1642bdcd8170SKalle Valo if (status) 1643bdcd8170SKalle Valo return status; 1644bdcd8170SKalle Valo 1645bdcd8170SKalle Valo if (ibss_param->privacy) { 1646240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, true); 1647240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, false); 1648bdcd8170SKalle Valo } else { 1649240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, 0, true); 1650240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, 0, false); 1651bdcd8170SKalle Valo } 1652bdcd8170SKalle Valo 1653f5938f24SVasanthakumar Thiagarajan vif->nw_type = vif->next_mode; 1654bdcd8170SKalle Valo 1655bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1656bdcd8170SKalle Valo "%s: connect called with authmode %d dot11 auth %d" 1657bdcd8170SKalle Valo " PW crypto %d PW crypto len %d GRP crypto %d" 1658bdcd8170SKalle Valo " GRP crypto len %d channel hint %u\n", 1659bdcd8170SKalle Valo __func__, 16603450334fSVasanthakumar Thiagarajan vif->auth_mode, vif->dot11_auth_mode, vif->prwise_crypto, 16613450334fSVasanthakumar Thiagarajan vif->prwise_crypto_len, vif->grp_crypto, 1662f74bac54SVasanthakumar Thiagarajan vif->grp_crypto_len, vif->ch_hint); 1663bdcd8170SKalle Valo 1664334234b5SVasanthakumar Thiagarajan status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type, 16653450334fSVasanthakumar Thiagarajan vif->dot11_auth_mode, vif->auth_mode, 16663450334fSVasanthakumar Thiagarajan vif->prwise_crypto, 16673450334fSVasanthakumar Thiagarajan vif->prwise_crypto_len, 16683450334fSVasanthakumar Thiagarajan vif->grp_crypto, vif->grp_crypto_len, 16693450334fSVasanthakumar Thiagarajan vif->ssid_len, vif->ssid, 1670f74bac54SVasanthakumar Thiagarajan vif->req_bssid, vif->ch_hint, 16713ca9d1fcSAarthi Thiruvengadam ar->connect_ctrl_flags, SUBTYPE_NONE); 167259c98449SVasanthakumar Thiagarajan set_bit(CONNECT_PEND, &vif->flags); 1673bdcd8170SKalle Valo 1674bdcd8170SKalle Valo return 0; 1675bdcd8170SKalle Valo } 1676bdcd8170SKalle Valo 1677bdcd8170SKalle Valo static int ath6kl_cfg80211_leave_ibss(struct wiphy *wiphy, 1678bdcd8170SKalle Valo struct net_device *dev) 1679bdcd8170SKalle Valo { 16803450334fSVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1681bdcd8170SKalle Valo 1682990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1683bdcd8170SKalle Valo return -EIO; 1684bdcd8170SKalle Valo 1685240d2799SVasanthakumar Thiagarajan ath6kl_disconnect(vif); 16863450334fSVasanthakumar Thiagarajan memset(vif->ssid, 0, sizeof(vif->ssid)); 16873450334fSVasanthakumar Thiagarajan vif->ssid_len = 0; 1688bdcd8170SKalle Valo 1689bdcd8170SKalle Valo return 0; 1690bdcd8170SKalle Valo } 1691bdcd8170SKalle Valo 1692bdcd8170SKalle Valo static const u32 cipher_suites[] = { 1693bdcd8170SKalle Valo WLAN_CIPHER_SUITE_WEP40, 1694bdcd8170SKalle Valo WLAN_CIPHER_SUITE_WEP104, 1695bdcd8170SKalle Valo WLAN_CIPHER_SUITE_TKIP, 1696bdcd8170SKalle Valo WLAN_CIPHER_SUITE_CCMP, 1697837cb97eSJouni Malinen CCKM_KRK_CIPHER_SUITE, 16985e07021eSDai Shuibing WLAN_CIPHER_SUITE_SMS4, 1699bdcd8170SKalle Valo }; 1700bdcd8170SKalle Valo 1701bdcd8170SKalle Valo static bool is_rate_legacy(s32 rate) 1702bdcd8170SKalle Valo { 1703bdcd8170SKalle Valo static const s32 legacy[] = { 1000, 2000, 5500, 11000, 1704bdcd8170SKalle Valo 6000, 9000, 12000, 18000, 24000, 1705bdcd8170SKalle Valo 36000, 48000, 54000 1706bdcd8170SKalle Valo }; 1707bdcd8170SKalle Valo u8 i; 1708bdcd8170SKalle Valo 1709bdcd8170SKalle Valo for (i = 0; i < ARRAY_SIZE(legacy); i++) 1710bdcd8170SKalle Valo if (rate == legacy[i]) 1711bdcd8170SKalle Valo return true; 1712bdcd8170SKalle Valo 1713bdcd8170SKalle Valo return false; 1714bdcd8170SKalle Valo } 1715bdcd8170SKalle Valo 1716bdcd8170SKalle Valo static bool is_rate_ht20(s32 rate, u8 *mcs, bool *sgi) 1717bdcd8170SKalle Valo { 1718bdcd8170SKalle Valo static const s32 ht20[] = { 6500, 13000, 19500, 26000, 39000, 1719bdcd8170SKalle Valo 52000, 58500, 65000, 72200 1720bdcd8170SKalle Valo }; 1721bdcd8170SKalle Valo u8 i; 1722bdcd8170SKalle Valo 1723bdcd8170SKalle Valo for (i = 0; i < ARRAY_SIZE(ht20); i++) { 1724bdcd8170SKalle Valo if (rate == ht20[i]) { 1725bdcd8170SKalle Valo if (i == ARRAY_SIZE(ht20) - 1) 1726bdcd8170SKalle Valo /* last rate uses sgi */ 1727bdcd8170SKalle Valo *sgi = true; 1728bdcd8170SKalle Valo else 1729bdcd8170SKalle Valo *sgi = false; 1730bdcd8170SKalle Valo 1731bdcd8170SKalle Valo *mcs = i; 1732bdcd8170SKalle Valo return true; 1733bdcd8170SKalle Valo } 1734bdcd8170SKalle Valo } 1735bdcd8170SKalle Valo return false; 1736bdcd8170SKalle Valo } 1737bdcd8170SKalle Valo 1738bdcd8170SKalle Valo static bool is_rate_ht40(s32 rate, u8 *mcs, bool *sgi) 1739bdcd8170SKalle Valo { 1740bdcd8170SKalle Valo static const s32 ht40[] = { 13500, 27000, 40500, 54000, 1741bdcd8170SKalle Valo 81000, 108000, 121500, 135000, 1742bdcd8170SKalle Valo 150000 1743bdcd8170SKalle Valo }; 1744bdcd8170SKalle Valo u8 i; 1745bdcd8170SKalle Valo 1746bdcd8170SKalle Valo for (i = 0; i < ARRAY_SIZE(ht40); i++) { 1747bdcd8170SKalle Valo if (rate == ht40[i]) { 1748bdcd8170SKalle Valo if (i == ARRAY_SIZE(ht40) - 1) 1749bdcd8170SKalle Valo /* last rate uses sgi */ 1750bdcd8170SKalle Valo *sgi = true; 1751bdcd8170SKalle Valo else 1752bdcd8170SKalle Valo *sgi = false; 1753bdcd8170SKalle Valo 1754bdcd8170SKalle Valo *mcs = i; 1755bdcd8170SKalle Valo return true; 1756bdcd8170SKalle Valo } 1757bdcd8170SKalle Valo } 1758bdcd8170SKalle Valo 1759bdcd8170SKalle Valo return false; 1760bdcd8170SKalle Valo } 1761bdcd8170SKalle Valo 1762bdcd8170SKalle Valo static int ath6kl_get_station(struct wiphy *wiphy, struct net_device *dev, 1763bdcd8170SKalle Valo u8 *mac, struct station_info *sinfo) 1764bdcd8170SKalle Valo { 1765bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 176659c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1767bdcd8170SKalle Valo long left; 1768bdcd8170SKalle Valo bool sgi; 1769bdcd8170SKalle Valo s32 rate; 1770bdcd8170SKalle Valo int ret; 1771bdcd8170SKalle Valo u8 mcs; 1772bdcd8170SKalle Valo 17738c8b65e3SVasanthakumar Thiagarajan if (memcmp(mac, vif->bssid, ETH_ALEN) != 0) 1774bdcd8170SKalle Valo return -ENOENT; 1775bdcd8170SKalle Valo 1776bdcd8170SKalle Valo if (down_interruptible(&ar->sem)) 1777bdcd8170SKalle Valo return -EBUSY; 1778bdcd8170SKalle Valo 1779b95907a7SVasanthakumar Thiagarajan set_bit(STATS_UPDATE_PEND, &vif->flags); 1780bdcd8170SKalle Valo 1781334234b5SVasanthakumar Thiagarajan ret = ath6kl_wmi_get_stats_cmd(ar->wmi, vif->fw_vif_idx); 1782bdcd8170SKalle Valo 1783bdcd8170SKalle Valo if (ret != 0) { 1784bdcd8170SKalle Valo up(&ar->sem); 1785bdcd8170SKalle Valo return -EIO; 1786bdcd8170SKalle Valo } 1787bdcd8170SKalle Valo 1788bdcd8170SKalle Valo left = wait_event_interruptible_timeout(ar->event_wq, 1789bdcd8170SKalle Valo !test_bit(STATS_UPDATE_PEND, 1790b95907a7SVasanthakumar Thiagarajan &vif->flags), 1791bdcd8170SKalle Valo WMI_TIMEOUT); 1792bdcd8170SKalle Valo 1793bdcd8170SKalle Valo up(&ar->sem); 1794bdcd8170SKalle Valo 1795bdcd8170SKalle Valo if (left == 0) 1796bdcd8170SKalle Valo return -ETIMEDOUT; 1797bdcd8170SKalle Valo else if (left < 0) 1798bdcd8170SKalle Valo return left; 1799bdcd8170SKalle Valo 1800b95907a7SVasanthakumar Thiagarajan if (vif->target_stats.rx_byte) { 1801b95907a7SVasanthakumar Thiagarajan sinfo->rx_bytes = vif->target_stats.rx_byte; 1802bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_RX_BYTES; 1803b95907a7SVasanthakumar Thiagarajan sinfo->rx_packets = vif->target_stats.rx_pkt; 1804bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_RX_PACKETS; 1805bdcd8170SKalle Valo } 1806bdcd8170SKalle Valo 1807b95907a7SVasanthakumar Thiagarajan if (vif->target_stats.tx_byte) { 1808b95907a7SVasanthakumar Thiagarajan sinfo->tx_bytes = vif->target_stats.tx_byte; 1809bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_TX_BYTES; 1810b95907a7SVasanthakumar Thiagarajan sinfo->tx_packets = vif->target_stats.tx_pkt; 1811bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_TX_PACKETS; 1812bdcd8170SKalle Valo } 1813bdcd8170SKalle Valo 1814b95907a7SVasanthakumar Thiagarajan sinfo->signal = vif->target_stats.cs_rssi; 1815bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_SIGNAL; 1816bdcd8170SKalle Valo 1817b95907a7SVasanthakumar Thiagarajan rate = vif->target_stats.tx_ucast_rate; 1818bdcd8170SKalle Valo 1819bdcd8170SKalle Valo if (is_rate_legacy(rate)) { 1820bdcd8170SKalle Valo sinfo->txrate.legacy = rate / 100; 1821bdcd8170SKalle Valo } else if (is_rate_ht20(rate, &mcs, &sgi)) { 1822bdcd8170SKalle Valo if (sgi) { 1823bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; 1824bdcd8170SKalle Valo sinfo->txrate.mcs = mcs - 1; 1825bdcd8170SKalle Valo } else { 1826bdcd8170SKalle Valo sinfo->txrate.mcs = mcs; 1827bdcd8170SKalle Valo } 1828bdcd8170SKalle Valo 1829bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; 1830bdcd8170SKalle Valo } else if (is_rate_ht40(rate, &mcs, &sgi)) { 1831bdcd8170SKalle Valo if (sgi) { 1832bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; 1833bdcd8170SKalle Valo sinfo->txrate.mcs = mcs - 1; 1834bdcd8170SKalle Valo } else { 1835bdcd8170SKalle Valo sinfo->txrate.mcs = mcs; 1836bdcd8170SKalle Valo } 1837bdcd8170SKalle Valo 1838bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; 1839bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; 1840bdcd8170SKalle Valo } else { 18419a730834SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 18429a730834SKalle Valo "invalid rate from stats: %d\n", rate); 18439a730834SKalle Valo ath6kl_debug_war(ar, ATH6KL_WAR_INVALID_RATE); 1844bdcd8170SKalle Valo return 0; 1845bdcd8170SKalle Valo } 1846bdcd8170SKalle Valo 1847bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_TX_BITRATE; 1848bdcd8170SKalle Valo 184959c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags) && 185059c98449SVasanthakumar Thiagarajan test_bit(DTIM_PERIOD_AVAIL, &vif->flags) && 1851f5938f24SVasanthakumar Thiagarajan vif->nw_type == INFRA_NETWORK) { 185232c10874SJouni Malinen sinfo->filled |= STATION_INFO_BSS_PARAM; 185332c10874SJouni Malinen sinfo->bss_param.flags = 0; 1854cf5333d7SVasanthakumar Thiagarajan sinfo->bss_param.dtim_period = vif->assoc_bss_dtim_period; 1855cf5333d7SVasanthakumar Thiagarajan sinfo->bss_param.beacon_interval = vif->assoc_bss_beacon_int; 185632c10874SJouni Malinen } 185732c10874SJouni Malinen 1858bdcd8170SKalle Valo return 0; 1859bdcd8170SKalle Valo } 1860bdcd8170SKalle Valo 1861bdcd8170SKalle Valo static int ath6kl_set_pmksa(struct wiphy *wiphy, struct net_device *netdev, 1862bdcd8170SKalle Valo struct cfg80211_pmksa *pmksa) 1863bdcd8170SKalle Valo { 1864bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(netdev); 1865334234b5SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(netdev); 1866334234b5SVasanthakumar Thiagarajan 1867334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid, 1868bdcd8170SKalle Valo pmksa->pmkid, true); 1869bdcd8170SKalle Valo } 1870bdcd8170SKalle Valo 1871bdcd8170SKalle Valo static int ath6kl_del_pmksa(struct wiphy *wiphy, struct net_device *netdev, 1872bdcd8170SKalle Valo struct cfg80211_pmksa *pmksa) 1873bdcd8170SKalle Valo { 1874bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(netdev); 1875334234b5SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(netdev); 1876334234b5SVasanthakumar Thiagarajan 1877334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid, 1878bdcd8170SKalle Valo pmksa->pmkid, false); 1879bdcd8170SKalle Valo } 1880bdcd8170SKalle Valo 1881bdcd8170SKalle Valo static int ath6kl_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev) 1882bdcd8170SKalle Valo { 1883bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(netdev); 188459c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(netdev); 188559c98449SVasanthakumar Thiagarajan 188659c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags)) 1887334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, 1888334234b5SVasanthakumar Thiagarajan vif->bssid, NULL, false); 1889bdcd8170SKalle Valo return 0; 1890bdcd8170SKalle Valo } 1891bdcd8170SKalle Valo 1892d91e8eeeSRaja Mani static int ath6kl_wow_usr(struct ath6kl *ar, struct ath6kl_vif *vif, 1893d91e8eeeSRaja Mani struct cfg80211_wowlan *wow, u32 *filter) 18946cb3c714SRaja Mani { 1895d91e8eeeSRaja Mani int ret, pos; 1896d91e8eeeSRaja Mani u8 mask[WOW_MASK_SIZE]; 18976cb3c714SRaja Mani u16 i; 18986cb3c714SRaja Mani 1899d91e8eeeSRaja Mani /* Configure the patterns that we received from the user. */ 19006cb3c714SRaja Mani for (i = 0; i < wow->n_patterns; i++) { 19016cb3c714SRaja Mani 19026cb3c714SRaja Mani /* 19036cb3c714SRaja Mani * Convert given nl80211 specific mask value to equivalent 19046cb3c714SRaja Mani * driver specific mask value and send it to the chip along 19056cb3c714SRaja Mani * with patterns. For example, If the mask value defined in 19066cb3c714SRaja Mani * struct cfg80211_wowlan is 0xA (equivalent binary is 1010), 19076cb3c714SRaja Mani * then equivalent driver specific mask value is 19086cb3c714SRaja Mani * "0xFF 0x00 0xFF 0x00". 19096cb3c714SRaja Mani */ 19106cb3c714SRaja Mani memset(&mask, 0, sizeof(mask)); 19116cb3c714SRaja Mani for (pos = 0; pos < wow->patterns[i].pattern_len; pos++) { 19126cb3c714SRaja Mani if (wow->patterns[i].mask[pos / 8] & (0x1 << (pos % 8))) 19136cb3c714SRaja Mani mask[pos] = 0xFF; 19146cb3c714SRaja Mani } 19156cb3c714SRaja Mani /* 19166cb3c714SRaja Mani * Note: Pattern's offset is not passed as part of wowlan 19176cb3c714SRaja Mani * parameter from CFG layer. So it's always passed as ZERO 19186cb3c714SRaja Mani * to the firmware. It means, given WOW patterns are always 19196cb3c714SRaja Mani * matched from the first byte of received pkt in the firmware. 19206cb3c714SRaja Mani */ 19216cb3c714SRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 19226cb3c714SRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 19236cb3c714SRaja Mani wow->patterns[i].pattern_len, 19246cb3c714SRaja Mani 0 /* pattern offset */, 19256cb3c714SRaja Mani wow->patterns[i].pattern, mask); 19266cb3c714SRaja Mani if (ret) 19276cb3c714SRaja Mani return ret; 19286cb3c714SRaja Mani } 19296cb3c714SRaja Mani 1930d91e8eeeSRaja Mani if (wow->disconnect) 1931d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_NWK_DISASSOC; 1932d91e8eeeSRaja Mani 1933d91e8eeeSRaja Mani if (wow->magic_pkt) 1934d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_MAGIC_PACKET; 1935d91e8eeeSRaja Mani 1936d91e8eeeSRaja Mani if (wow->gtk_rekey_failure) 1937d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_GTK_ERROR; 1938d91e8eeeSRaja Mani 1939d91e8eeeSRaja Mani if (wow->eap_identity_req) 1940d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_EAP_REQ; 1941d91e8eeeSRaja Mani 1942d91e8eeeSRaja Mani if (wow->four_way_handshake) 1943d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_8021X_4WAYHS; 1944d91e8eeeSRaja Mani 1945d91e8eeeSRaja Mani return 0; 1946d91e8eeeSRaja Mani } 1947d91e8eeeSRaja Mani 1948d91e8eeeSRaja Mani static int ath6kl_wow_ap(struct ath6kl *ar, struct ath6kl_vif *vif) 1949d91e8eeeSRaja Mani { 1950d91e8eeeSRaja Mani static const u8 unicst_pattern[] = { 0x00, 0x00, 0x00, 1951d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1952d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1953d91e8eeeSRaja Mani 0x00, 0x08 }; 1954d91e8eeeSRaja Mani static const u8 unicst_mask[] = { 0x01, 0x00, 0x00, 1955d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1956d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1957d91e8eeeSRaja Mani 0x00, 0x7f }; 1958d91e8eeeSRaja Mani u8 unicst_offset = 0; 1959d91e8eeeSRaja Mani static const u8 arp_pattern[] = { 0x08, 0x06 }; 1960d91e8eeeSRaja Mani static const u8 arp_mask[] = { 0xff, 0xff }; 1961d91e8eeeSRaja Mani u8 arp_offset = 20; 1962d91e8eeeSRaja Mani static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 }; 1963d91e8eeeSRaja Mani static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 }; 1964d91e8eeeSRaja Mani u8 discvr_offset = 38; 1965d91e8eeeSRaja Mani static const u8 dhcp_pattern[] = { 0xff, 0xff, 0xff, 0xff, 1966d91e8eeeSRaja Mani 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1967d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 1968d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1969d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1970d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x43 /* port 67 */ }; 1971d91e8eeeSRaja Mani static const u8 dhcp_mask[] = { 0xff, 0xff, 0xff, 0xff, 1972d91e8eeeSRaja Mani 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1973d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 1974d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1975d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1976d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0xff, 0xff /* port 67 */ }; 1977d91e8eeeSRaja Mani u8 dhcp_offset = 0; 1978d91e8eeeSRaja Mani int ret; 1979d91e8eeeSRaja Mani 1980d91e8eeeSRaja Mani /* Setup unicast IP, EAPOL-like and ARP pkt pattern */ 1981d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 1982d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 1983d91e8eeeSRaja Mani sizeof(unicst_pattern), unicst_offset, 1984d91e8eeeSRaja Mani unicst_pattern, unicst_mask); 1985d91e8eeeSRaja Mani if (ret) { 1986d91e8eeeSRaja Mani ath6kl_err("failed to add WOW unicast IP pattern\n"); 1987d91e8eeeSRaja Mani return ret; 1988d91e8eeeSRaja Mani } 1989d91e8eeeSRaja Mani 1990d91e8eeeSRaja Mani /* Setup all ARP pkt pattern */ 1991d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 1992d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 1993d91e8eeeSRaja Mani sizeof(arp_pattern), arp_offset, 1994d91e8eeeSRaja Mani arp_pattern, arp_mask); 1995d91e8eeeSRaja Mani if (ret) { 1996d91e8eeeSRaja Mani ath6kl_err("failed to add WOW ARP pattern\n"); 1997d91e8eeeSRaja Mani return ret; 1998d91e8eeeSRaja Mani } 1999d91e8eeeSRaja Mani 2000d91e8eeeSRaja Mani /* 2001d91e8eeeSRaja Mani * Setup multicast pattern for mDNS 224.0.0.251, 2002d91e8eeeSRaja Mani * SSDP 239.255.255.250 and LLMNR 224.0.0.252 2003d91e8eeeSRaja Mani */ 2004d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 2005d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 2006d91e8eeeSRaja Mani sizeof(discvr_pattern), discvr_offset, 2007d91e8eeeSRaja Mani discvr_pattern, discvr_mask); 2008d91e8eeeSRaja Mani if (ret) { 2009d91e8eeeSRaja Mani ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n"); 2010d91e8eeeSRaja Mani return ret; 2011d91e8eeeSRaja Mani } 2012d91e8eeeSRaja Mani 2013d91e8eeeSRaja Mani /* Setup all DHCP broadcast pkt pattern */ 2014d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 2015d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 2016d91e8eeeSRaja Mani sizeof(dhcp_pattern), dhcp_offset, 2017d91e8eeeSRaja Mani dhcp_pattern, dhcp_mask); 2018d91e8eeeSRaja Mani if (ret) { 2019d91e8eeeSRaja Mani ath6kl_err("failed to add WOW DHCP broadcast pattern\n"); 2020d91e8eeeSRaja Mani return ret; 2021d91e8eeeSRaja Mani } 2022d91e8eeeSRaja Mani 2023d91e8eeeSRaja Mani return 0; 2024d91e8eeeSRaja Mani } 2025d91e8eeeSRaja Mani 2026d91e8eeeSRaja Mani static int ath6kl_wow_sta(struct ath6kl *ar, struct ath6kl_vif *vif) 2027d91e8eeeSRaja Mani { 2028d91e8eeeSRaja Mani struct net_device *ndev = vif->ndev; 2029d91e8eeeSRaja Mani static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 }; 2030d91e8eeeSRaja Mani static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 }; 2031d91e8eeeSRaja Mani u8 discvr_offset = 38; 2032d91e8eeeSRaja Mani u8 mac_mask[ETH_ALEN]; 2033d91e8eeeSRaja Mani int ret; 2034d91e8eeeSRaja Mani 2035d91e8eeeSRaja Mani /* Setup unicast pkt pattern */ 2036d91e8eeeSRaja Mani memset(mac_mask, 0xff, ETH_ALEN); 2037d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 2038d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 2039d91e8eeeSRaja Mani ETH_ALEN, 0, ndev->dev_addr, 2040d91e8eeeSRaja Mani mac_mask); 2041d91e8eeeSRaja Mani if (ret) { 2042d91e8eeeSRaja Mani ath6kl_err("failed to add WOW unicast pattern\n"); 2043d91e8eeeSRaja Mani return ret; 2044d91e8eeeSRaja Mani } 2045d91e8eeeSRaja Mani 2046d91e8eeeSRaja Mani /* 2047d91e8eeeSRaja Mani * Setup multicast pattern for mDNS 224.0.0.251, 2048d91e8eeeSRaja Mani * SSDP 239.255.255.250 and LLMNR 224.0.0.252 2049d91e8eeeSRaja Mani */ 2050d91e8eeeSRaja Mani if ((ndev->flags & IFF_ALLMULTI) || 2051d91e8eeeSRaja Mani (ndev->flags & IFF_MULTICAST && netdev_mc_count(ndev) > 0)) { 2052d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 2053d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 2054d91e8eeeSRaja Mani sizeof(discvr_pattern), discvr_offset, 2055d91e8eeeSRaja Mani discvr_pattern, discvr_mask); 2056d91e8eeeSRaja Mani if (ret) { 2057cdeb8602SKalle Valo ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n"); 2058d91e8eeeSRaja Mani return ret; 2059d91e8eeeSRaja Mani } 2060d91e8eeeSRaja Mani } 2061d91e8eeeSRaja Mani 2062d91e8eeeSRaja Mani return 0; 2063d91e8eeeSRaja Mani } 2064d91e8eeeSRaja Mani 2065055bde49SRaja Mani static int is_hsleep_mode_procsed(struct ath6kl_vif *vif) 2066055bde49SRaja Mani { 2067055bde49SRaja Mani return test_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags); 2068055bde49SRaja Mani } 2069055bde49SRaja Mani 2070055bde49SRaja Mani static bool is_ctrl_ep_empty(struct ath6kl *ar) 2071055bde49SRaja Mani { 2072055bde49SRaja Mani return !ar->tx_pending[ar->ctrl_ep]; 2073055bde49SRaja Mani } 2074055bde49SRaja Mani 2075055bde49SRaja Mani static int ath6kl_cfg80211_host_sleep(struct ath6kl *ar, struct ath6kl_vif *vif) 2076055bde49SRaja Mani { 2077055bde49SRaja Mani int ret, left; 2078055bde49SRaja Mani 2079055bde49SRaja Mani clear_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags); 2080055bde49SRaja Mani 2081055bde49SRaja Mani ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, 2082055bde49SRaja Mani ATH6KL_HOST_MODE_ASLEEP); 2083055bde49SRaja Mani if (ret) 2084055bde49SRaja Mani return ret; 2085055bde49SRaja Mani 2086055bde49SRaja Mani left = wait_event_interruptible_timeout(ar->event_wq, 2087055bde49SRaja Mani is_hsleep_mode_procsed(vif), 2088055bde49SRaja Mani WMI_TIMEOUT); 2089055bde49SRaja Mani if (left == 0) { 2090055bde49SRaja Mani ath6kl_warn("timeout, didn't get host sleep cmd processed event\n"); 2091055bde49SRaja Mani ret = -ETIMEDOUT; 2092055bde49SRaja Mani } else if (left < 0) { 2093055bde49SRaja Mani ath6kl_warn("error while waiting for host sleep cmd processed event %d\n", 2094055bde49SRaja Mani left); 2095055bde49SRaja Mani ret = left; 2096055bde49SRaja Mani } 2097055bde49SRaja Mani 2098055bde49SRaja Mani if (ar->tx_pending[ar->ctrl_ep]) { 2099055bde49SRaja Mani left = wait_event_interruptible_timeout(ar->event_wq, 2100055bde49SRaja Mani is_ctrl_ep_empty(ar), 2101055bde49SRaja Mani WMI_TIMEOUT); 2102055bde49SRaja Mani if (left == 0) { 2103055bde49SRaja Mani ath6kl_warn("clear wmi ctrl data timeout\n"); 2104055bde49SRaja Mani ret = -ETIMEDOUT; 2105055bde49SRaja Mani } else if (left < 0) { 2106055bde49SRaja Mani ath6kl_warn("clear wmi ctrl data failed: %d\n", left); 2107055bde49SRaja Mani ret = left; 2108055bde49SRaja Mani } 2109055bde49SRaja Mani } 2110055bde49SRaja Mani 2111055bde49SRaja Mani return ret; 2112055bde49SRaja Mani } 2113055bde49SRaja Mani 2114d91e8eeeSRaja Mani static int ath6kl_wow_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow) 2115d91e8eeeSRaja Mani { 2116d91e8eeeSRaja Mani struct in_device *in_dev; 2117d91e8eeeSRaja Mani struct in_ifaddr *ifa; 2118d91e8eeeSRaja Mani struct ath6kl_vif *vif; 2119055bde49SRaja Mani int ret; 2120d91e8eeeSRaja Mani u32 filter = 0; 2121ce0dc0cfSRaja Mani u16 i, bmiss_time; 2122d91e8eeeSRaja Mani u8 index = 0; 2123d91e8eeeSRaja Mani __be32 ips[MAX_IP_ADDRS]; 2124d91e8eeeSRaja Mani 212577ed4e45SThomas Pedersen /* The FW currently can't support multi-vif WoW properly. */ 212677ed4e45SThomas Pedersen if (ar->num_vif > 1) 212777ed4e45SThomas Pedersen return -EIO; 212877ed4e45SThomas Pedersen 2129d91e8eeeSRaja Mani vif = ath6kl_vif_first(ar); 2130d91e8eeeSRaja Mani if (!vif) 2131d91e8eeeSRaja Mani return -EIO; 2132d91e8eeeSRaja Mani 2133d91e8eeeSRaja Mani if (!ath6kl_cfg80211_ready(vif)) 2134d91e8eeeSRaja Mani return -EIO; 2135d91e8eeeSRaja Mani 2136d91e8eeeSRaja Mani if (!test_bit(CONNECTED, &vif->flags)) 21373c411a43SRaja Mani return -ENOTCONN; 2138d91e8eeeSRaja Mani 2139d91e8eeeSRaja Mani if (wow && (wow->n_patterns > WOW_MAX_FILTERS_PER_LIST)) 2140d91e8eeeSRaja Mani return -EINVAL; 2141d91e8eeeSRaja Mani 21426821d4f0SNaveen Gangadharan if (!test_bit(NETDEV_MCAST_ALL_ON, &vif->flags) && 21436821d4f0SNaveen Gangadharan test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER, 21446821d4f0SNaveen Gangadharan ar->fw_capabilities)) { 21456251d801SNaveen Gangadharan ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi, 21466251d801SNaveen Gangadharan vif->fw_vif_idx, false); 21476251d801SNaveen Gangadharan if (ret) 21486251d801SNaveen Gangadharan return ret; 21496251d801SNaveen Gangadharan } 21506251d801SNaveen Gangadharan 2151d91e8eeeSRaja Mani /* Clear existing WOW patterns */ 2152d91e8eeeSRaja Mani for (i = 0; i < WOW_MAX_FILTERS_PER_LIST; i++) 2153d91e8eeeSRaja Mani ath6kl_wmi_del_wow_pattern_cmd(ar->wmi, vif->fw_vif_idx, 2154d91e8eeeSRaja Mani WOW_LIST_ID, i); 2155d91e8eeeSRaja Mani 2156d91e8eeeSRaja Mani /* 2157d91e8eeeSRaja Mani * Skip the default WOW pattern configuration 2158d91e8eeeSRaja Mani * if the driver receives any WOW patterns from 2159d91e8eeeSRaja Mani * the user. 2160d91e8eeeSRaja Mani */ 2161d91e8eeeSRaja Mani if (wow) 2162d91e8eeeSRaja Mani ret = ath6kl_wow_usr(ar, vif, wow, &filter); 2163d91e8eeeSRaja Mani else if (vif->nw_type == AP_NETWORK) 2164d91e8eeeSRaja Mani ret = ath6kl_wow_ap(ar, vif); 2165d91e8eeeSRaja Mani else 2166d91e8eeeSRaja Mani ret = ath6kl_wow_sta(ar, vif); 2167d91e8eeeSRaja Mani 2168d91e8eeeSRaja Mani if (ret) 2169d91e8eeeSRaja Mani return ret; 2170d91e8eeeSRaja Mani 2171390a8c8fSRaja Mani netif_stop_queue(vif->ndev); 2172390a8c8fSRaja Mani 2173ce0dc0cfSRaja Mani if (vif->nw_type != AP_NETWORK) { 2174ce0dc0cfSRaja Mani ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx, 2175ce0dc0cfSRaja Mani ATH6KL_MAX_WOW_LISTEN_INTL, 2176ce0dc0cfSRaja Mani 0); 2177ce0dc0cfSRaja Mani if (ret) 2178ce0dc0cfSRaja Mani return ret; 2179ce0dc0cfSRaja Mani 2180ce0dc0cfSRaja Mani /* Set listen interval x 15 times as bmiss time */ 2181ce0dc0cfSRaja Mani bmiss_time = ATH6KL_MAX_WOW_LISTEN_INTL * 15; 2182ce0dc0cfSRaja Mani if (bmiss_time > ATH6KL_MAX_BMISS_TIME) 2183ce0dc0cfSRaja Mani bmiss_time = ATH6KL_MAX_BMISS_TIME; 2184ce0dc0cfSRaja Mani 2185ce0dc0cfSRaja Mani ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx, 2186ce0dc0cfSRaja Mani bmiss_time, 0); 2187ce0dc0cfSRaja Mani if (ret) 2188ce0dc0cfSRaja Mani return ret; 2189ce0dc0cfSRaja Mani 2190ce0dc0cfSRaja Mani ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 2191ce0dc0cfSRaja Mani 0xFFFF, 0, 0xFFFF, 0, 0, 0, 2192ce0dc0cfSRaja Mani 0, 0, 0, 0); 2193ce0dc0cfSRaja Mani if (ret) 2194ce0dc0cfSRaja Mani return ret; 2195ce0dc0cfSRaja Mani } 2196ce0dc0cfSRaja Mani 2197390a8c8fSRaja Mani ar->state = ATH6KL_STATE_SUSPENDING; 2198390a8c8fSRaja Mani 2199c08631c6SRaja Mani /* Setup own IP addr for ARP agent. */ 2200c08631c6SRaja Mani in_dev = __in_dev_get_rtnl(vif->ndev); 2201c08631c6SRaja Mani if (!in_dev) 2202c08631c6SRaja Mani goto skip_arp; 2203c08631c6SRaja Mani 2204c08631c6SRaja Mani ifa = in_dev->ifa_list; 2205c08631c6SRaja Mani memset(&ips, 0, sizeof(ips)); 2206c08631c6SRaja Mani 2207c08631c6SRaja Mani /* Configure IP addr only if IP address count < MAX_IP_ADDRS */ 2208c08631c6SRaja Mani while (index < MAX_IP_ADDRS && ifa) { 2209c08631c6SRaja Mani ips[index] = ifa->ifa_local; 2210c08631c6SRaja Mani ifa = ifa->ifa_next; 2211c08631c6SRaja Mani index++; 2212c08631c6SRaja Mani } 2213c08631c6SRaja Mani 2214c08631c6SRaja Mani if (ifa) { 2215c08631c6SRaja Mani ath6kl_err("total IP addr count is exceeding fw limit\n"); 2216c08631c6SRaja Mani return -EINVAL; 2217c08631c6SRaja Mani } 2218c08631c6SRaja Mani 2219c08631c6SRaja Mani ret = ath6kl_wmi_set_ip_cmd(ar->wmi, vif->fw_vif_idx, ips[0], ips[1]); 2220c08631c6SRaja Mani if (ret) { 2221c08631c6SRaja Mani ath6kl_err("fail to setup ip for arp agent\n"); 2222c08631c6SRaja Mani return ret; 2223c08631c6SRaja Mani } 2224c08631c6SRaja Mani 2225c08631c6SRaja Mani skip_arp: 22266cb3c714SRaja Mani ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx, 22276cb3c714SRaja Mani ATH6KL_WOW_MODE_ENABLE, 22286cb3c714SRaja Mani filter, 22296cb3c714SRaja Mani WOW_HOST_REQ_DELAY); 22306cb3c714SRaja Mani if (ret) 22316cb3c714SRaja Mani return ret; 22326cb3c714SRaja Mani 2233055bde49SRaja Mani ret = ath6kl_cfg80211_host_sleep(ar, vif); 22346cb3c714SRaja Mani if (ret) 22356cb3c714SRaja Mani return ret; 22366cb3c714SRaja Mani 2237055bde49SRaja Mani return 0; 22386cb3c714SRaja Mani } 22396cb3c714SRaja Mani 22406cb3c714SRaja Mani static int ath6kl_wow_resume(struct ath6kl *ar) 22416cb3c714SRaja Mani { 22426cb3c714SRaja Mani struct ath6kl_vif *vif; 22436cb3c714SRaja Mani int ret; 22446cb3c714SRaja Mani 22456cb3c714SRaja Mani vif = ath6kl_vif_first(ar); 22466cb3c714SRaja Mani if (!vif) 22476cb3c714SRaja Mani return -EIO; 22486cb3c714SRaja Mani 2249390a8c8fSRaja Mani ar->state = ATH6KL_STATE_RESUMING; 2250390a8c8fSRaja Mani 22516cb3c714SRaja Mani ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, 22526cb3c714SRaja Mani ATH6KL_HOST_MODE_AWAKE); 2253390a8c8fSRaja Mani if (ret) { 2254cdeb8602SKalle Valo ath6kl_warn("Failed to configure host sleep mode for wow resume: %d\n", 2255cdeb8602SKalle Valo ret); 2256390a8c8fSRaja Mani ar->state = ATH6KL_STATE_WOW; 22576cb3c714SRaja Mani return ret; 22586cb3c714SRaja Mani } 22596cb3c714SRaja Mani 2260ce0dc0cfSRaja Mani if (vif->nw_type != AP_NETWORK) { 2261ce0dc0cfSRaja Mani ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 2262ce0dc0cfSRaja Mani 0, 0, 0, 0, 0, 0, 3, 0, 0, 0); 2263ce0dc0cfSRaja Mani if (ret) 2264ce0dc0cfSRaja Mani return ret; 2265ce0dc0cfSRaja Mani 2266ce0dc0cfSRaja Mani ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx, 2267ce0dc0cfSRaja Mani vif->listen_intvl_t, 0); 2268ce0dc0cfSRaja Mani if (ret) 2269ce0dc0cfSRaja Mani return ret; 2270ce0dc0cfSRaja Mani 2271ce0dc0cfSRaja Mani ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx, 2272ce0dc0cfSRaja Mani vif->bmiss_time_t, 0); 2273ce0dc0cfSRaja Mani if (ret) 2274ce0dc0cfSRaja Mani return ret; 2275ce0dc0cfSRaja Mani } 2276ce0dc0cfSRaja Mani 2277390a8c8fSRaja Mani ar->state = ATH6KL_STATE_ON; 2278390a8c8fSRaja Mani 22796821d4f0SNaveen Gangadharan if (!test_bit(NETDEV_MCAST_ALL_OFF, &vif->flags) && 22806821d4f0SNaveen Gangadharan test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER, 22816821d4f0SNaveen Gangadharan ar->fw_capabilities)) { 22826251d801SNaveen Gangadharan ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi, 22836251d801SNaveen Gangadharan vif->fw_vif_idx, true); 22846251d801SNaveen Gangadharan if (ret) 22856251d801SNaveen Gangadharan return ret; 22866251d801SNaveen Gangadharan } 22876251d801SNaveen Gangadharan 2288390a8c8fSRaja Mani netif_wake_queue(vif->ndev); 2289390a8c8fSRaja Mani 2290390a8c8fSRaja Mani return 0; 2291390a8c8fSRaja Mani } 2292390a8c8fSRaja Mani 229340abc2deSRaja Mani static int ath6kl_cfg80211_deepsleep_suspend(struct ath6kl *ar) 229440abc2deSRaja Mani { 229540abc2deSRaja Mani struct ath6kl_vif *vif; 229640abc2deSRaja Mani int ret; 229740abc2deSRaja Mani 229840abc2deSRaja Mani vif = ath6kl_vif_first(ar); 229940abc2deSRaja Mani if (!vif) 230040abc2deSRaja Mani return -EIO; 230140abc2deSRaja Mani 230248f27587SMing Jiang if (!test_bit(WMI_READY, &ar->flag)) { 230348f27587SMing Jiang ath6kl_err("deepsleep failed as wmi is not ready\n"); 230440abc2deSRaja Mani return -EIO; 230548f27587SMing Jiang } 230640abc2deSRaja Mani 230740abc2deSRaja Mani ath6kl_cfg80211_stop_all(ar); 230840abc2deSRaja Mani 230940abc2deSRaja Mani /* Save the current power mode before enabling power save */ 231040abc2deSRaja Mani ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode; 231140abc2deSRaja Mani 231240abc2deSRaja Mani ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER); 231340abc2deSRaja Mani if (ret) 231440abc2deSRaja Mani return ret; 231540abc2deSRaja Mani 231640abc2deSRaja Mani /* Disable WOW mode */ 231740abc2deSRaja Mani ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx, 231840abc2deSRaja Mani ATH6KL_WOW_MODE_DISABLE, 231940abc2deSRaja Mani 0, 0); 232040abc2deSRaja Mani if (ret) 232140abc2deSRaja Mani return ret; 232240abc2deSRaja Mani 232340abc2deSRaja Mani /* Flush all non control pkts in TX path */ 232440abc2deSRaja Mani ath6kl_tx_data_cleanup(ar); 232540abc2deSRaja Mani 232640abc2deSRaja Mani ret = ath6kl_cfg80211_host_sleep(ar, vif); 232740abc2deSRaja Mani if (ret) 232840abc2deSRaja Mani return ret; 232940abc2deSRaja Mani 233040abc2deSRaja Mani return 0; 233140abc2deSRaja Mani } 233240abc2deSRaja Mani 233340abc2deSRaja Mani static int ath6kl_cfg80211_deepsleep_resume(struct ath6kl *ar) 233440abc2deSRaja Mani { 233540abc2deSRaja Mani struct ath6kl_vif *vif; 233640abc2deSRaja Mani int ret; 233740abc2deSRaja Mani 233840abc2deSRaja Mani vif = ath6kl_vif_first(ar); 233940abc2deSRaja Mani 234040abc2deSRaja Mani if (!vif) 234140abc2deSRaja Mani return -EIO; 234240abc2deSRaja Mani 234340abc2deSRaja Mani if (ar->wmi->pwr_mode != ar->wmi->saved_pwr_mode) { 234440abc2deSRaja Mani ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, 234540abc2deSRaja Mani ar->wmi->saved_pwr_mode); 234640abc2deSRaja Mani if (ret) 234740abc2deSRaja Mani return ret; 234840abc2deSRaja Mani } 234940abc2deSRaja Mani 235040abc2deSRaja Mani ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, 235140abc2deSRaja Mani ATH6KL_HOST_MODE_AWAKE); 235240abc2deSRaja Mani if (ret) 235340abc2deSRaja Mani return ret; 235440abc2deSRaja Mani 235540abc2deSRaja Mani ar->state = ATH6KL_STATE_ON; 235640abc2deSRaja Mani 235740abc2deSRaja Mani /* Reset scan parameter to default values */ 235840abc2deSRaja Mani ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 235940abc2deSRaja Mani 0, 0, 0, 0, 0, 0, 3, 0, 0, 0); 236040abc2deSRaja Mani if (ret) 236140abc2deSRaja Mani return ret; 236240abc2deSRaja Mani 236340abc2deSRaja Mani return 0; 236440abc2deSRaja Mani } 236540abc2deSRaja Mani 236652d81a68SKalle Valo int ath6kl_cfg80211_suspend(struct ath6kl *ar, 23670f60e9f4SRaja Mani enum ath6kl_cfg_suspend_mode mode, 23680f60e9f4SRaja Mani struct cfg80211_wowlan *wow) 236952d81a68SKalle Valo { 23703d79499cSVivek Natarajan struct ath6kl_vif *vif; 2371390a8c8fSRaja Mani enum ath6kl_state prev_state; 237252d81a68SKalle Valo int ret; 237352d81a68SKalle Valo 237452d81a68SKalle Valo switch (mode) { 2375d7c44e0bSRaja Mani case ATH6KL_CFG_SUSPEND_WOW: 2376d7c44e0bSRaja Mani 2377d7c44e0bSRaja Mani ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode suspend\n"); 2378d7c44e0bSRaja Mani 2379d7c44e0bSRaja Mani /* Flush all non control pkts in TX path */ 2380d7c44e0bSRaja Mani ath6kl_tx_data_cleanup(ar); 2381d7c44e0bSRaja Mani 2382390a8c8fSRaja Mani prev_state = ar->state; 2383390a8c8fSRaja Mani 2384d7c44e0bSRaja Mani ret = ath6kl_wow_suspend(ar, wow); 2385390a8c8fSRaja Mani if (ret) { 2386390a8c8fSRaja Mani ar->state = prev_state; 2387d7c44e0bSRaja Mani return ret; 2388390a8c8fSRaja Mani } 23891e9a905dSRaja Mani 2390d7c44e0bSRaja Mani ar->state = ATH6KL_STATE_WOW; 2391d7c44e0bSRaja Mani break; 2392d7c44e0bSRaja Mani 239352d81a68SKalle Valo case ATH6KL_CFG_SUSPEND_DEEPSLEEP: 2394524441e3SRaja Mani 239540abc2deSRaja Mani ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep suspend\n"); 2396524441e3SRaja Mani 239740abc2deSRaja Mani ret = ath6kl_cfg80211_deepsleep_suspend(ar); 239852d81a68SKalle Valo if (ret) { 239940abc2deSRaja Mani ath6kl_err("deepsleep suspend failed: %d\n", ret); 240040abc2deSRaja Mani return ret; 240152d81a68SKalle Valo } 240252d81a68SKalle Valo 240376a9fbe2SKalle Valo ar->state = ATH6KL_STATE_DEEPSLEEP; 240476a9fbe2SKalle Valo 240552d81a68SKalle Valo break; 2406b4b2a0b1SKalle Valo 2407b4b2a0b1SKalle Valo case ATH6KL_CFG_SUSPEND_CUTPOWER: 2408524441e3SRaja Mani 24097125f01dSKalle Valo ath6kl_cfg80211_stop_all(ar); 2410524441e3SRaja Mani 2411b4b2a0b1SKalle Valo if (ar->state == ATH6KL_STATE_OFF) { 2412b4b2a0b1SKalle Valo ath6kl_dbg(ATH6KL_DBG_SUSPEND, 2413b4b2a0b1SKalle Valo "suspend hw off, no action for cutpower\n"); 2414b4b2a0b1SKalle Valo break; 2415b4b2a0b1SKalle Valo } 2416b4b2a0b1SKalle Valo 2417b4b2a0b1SKalle Valo ath6kl_dbg(ATH6KL_DBG_SUSPEND, "suspend cutting power\n"); 2418b4b2a0b1SKalle Valo 2419b4b2a0b1SKalle Valo ret = ath6kl_init_hw_stop(ar); 2420b4b2a0b1SKalle Valo if (ret) { 2421b4b2a0b1SKalle Valo ath6kl_warn("failed to stop hw during suspend: %d\n", 2422b4b2a0b1SKalle Valo ret); 2423b4b2a0b1SKalle Valo } 2424b4b2a0b1SKalle Valo 2425b4b2a0b1SKalle Valo ar->state = ATH6KL_STATE_CUTPOWER; 2426b4b2a0b1SKalle Valo 2427b4b2a0b1SKalle Valo break; 2428b4b2a0b1SKalle Valo 242910509f90SKalle Valo case ATH6KL_CFG_SUSPEND_SCHED_SCAN: 243010509f90SKalle Valo /* 243110509f90SKalle Valo * Nothing needed for schedule scan, firmware is already in 243210509f90SKalle Valo * wow mode and sleeping most of the time. 243310509f90SKalle Valo */ 243410509f90SKalle Valo break; 243510509f90SKalle Valo 2436b4b2a0b1SKalle Valo default: 2437b4b2a0b1SKalle Valo break; 243852d81a68SKalle Valo } 243952d81a68SKalle Valo 24403d79499cSVivek Natarajan list_for_each_entry(vif, &ar->vif_list, list) 24413d79499cSVivek Natarajan ath6kl_cfg80211_scan_complete_event(vif, true); 24423d79499cSVivek Natarajan 244352d81a68SKalle Valo return 0; 244452d81a68SKalle Valo } 2445d6a434d6SKalle Valo EXPORT_SYMBOL(ath6kl_cfg80211_suspend); 244652d81a68SKalle Valo 244752d81a68SKalle Valo int ath6kl_cfg80211_resume(struct ath6kl *ar) 244852d81a68SKalle Valo { 244976a9fbe2SKalle Valo int ret; 245076a9fbe2SKalle Valo 245176a9fbe2SKalle Valo switch (ar->state) { 2452d7c44e0bSRaja Mani case ATH6KL_STATE_WOW: 2453d7c44e0bSRaja Mani ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode resume\n"); 2454d7c44e0bSRaja Mani 2455d7c44e0bSRaja Mani ret = ath6kl_wow_resume(ar); 2456d7c44e0bSRaja Mani if (ret) { 2457d7c44e0bSRaja Mani ath6kl_warn("wow mode resume failed: %d\n", ret); 2458d7c44e0bSRaja Mani return ret; 2459d7c44e0bSRaja Mani } 2460d7c44e0bSRaja Mani 2461d7c44e0bSRaja Mani break; 2462d7c44e0bSRaja Mani 246376a9fbe2SKalle Valo case ATH6KL_STATE_DEEPSLEEP: 246440abc2deSRaja Mani ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep resume\n"); 246540abc2deSRaja Mani 246640abc2deSRaja Mani ret = ath6kl_cfg80211_deepsleep_resume(ar); 246776a9fbe2SKalle Valo if (ret) { 246840abc2deSRaja Mani ath6kl_warn("deep sleep resume failed: %d\n", ret); 246940abc2deSRaja Mani return ret; 247076a9fbe2SKalle Valo } 247176a9fbe2SKalle Valo break; 247276a9fbe2SKalle Valo 2473b4b2a0b1SKalle Valo case ATH6KL_STATE_CUTPOWER: 2474b4b2a0b1SKalle Valo ath6kl_dbg(ATH6KL_DBG_SUSPEND, "resume restoring power\n"); 2475b4b2a0b1SKalle Valo 2476b4b2a0b1SKalle Valo ret = ath6kl_init_hw_start(ar); 2477b4b2a0b1SKalle Valo if (ret) { 2478b4b2a0b1SKalle Valo ath6kl_warn("Failed to boot hw in resume: %d\n", ret); 2479b4b2a0b1SKalle Valo return ret; 2480b4b2a0b1SKalle Valo } 2481d7c44e0bSRaja Mani break; 2482b4b2a0b1SKalle Valo 248310509f90SKalle Valo case ATH6KL_STATE_SCHED_SCAN: 248410509f90SKalle Valo break; 248510509f90SKalle Valo 248676a9fbe2SKalle Valo default: 248776a9fbe2SKalle Valo break; 248852d81a68SKalle Valo } 248952d81a68SKalle Valo 249052d81a68SKalle Valo return 0; 249152d81a68SKalle Valo } 2492d6a434d6SKalle Valo EXPORT_SYMBOL(ath6kl_cfg80211_resume); 249352d81a68SKalle Valo 2494abcb344bSKalle Valo #ifdef CONFIG_PM 249552d81a68SKalle Valo 249652d81a68SKalle Valo /* hif layer decides what suspend mode to use */ 249752d81a68SKalle Valo static int __ath6kl_cfg80211_suspend(struct wiphy *wiphy, 2498abcb344bSKalle Valo struct cfg80211_wowlan *wow) 2499abcb344bSKalle Valo { 2500abcb344bSKalle Valo struct ath6kl *ar = wiphy_priv(wiphy); 2501abcb344bSKalle Valo 25020f60e9f4SRaja Mani return ath6kl_hif_suspend(ar, wow); 2503abcb344bSKalle Valo } 2504aa6cffc1SChilam Ng 250552d81a68SKalle Valo static int __ath6kl_cfg80211_resume(struct wiphy *wiphy) 2506aa6cffc1SChilam Ng { 2507aa6cffc1SChilam Ng struct ath6kl *ar = wiphy_priv(wiphy); 2508aa6cffc1SChilam Ng 2509aa6cffc1SChilam Ng return ath6kl_hif_resume(ar); 2510aa6cffc1SChilam Ng } 2511a918fb3cSRaja Mani 2512a918fb3cSRaja Mani /* 2513a918fb3cSRaja Mani * FIXME: WOW suspend mode is selected if the host sdio controller supports 2514a918fb3cSRaja Mani * both sdio irq wake up and keep power. The target pulls sdio data line to 2515a918fb3cSRaja Mani * wake up the host when WOW pattern matches. This causes sdio irq handler 2516a918fb3cSRaja Mani * is being called in the host side which internally hits ath6kl's RX path. 2517a918fb3cSRaja Mani * 2518a918fb3cSRaja Mani * Since sdio interrupt is not disabled, RX path executes even before 2519a918fb3cSRaja Mani * the host executes the actual resume operation from PM module. 2520a918fb3cSRaja Mani * 2521a918fb3cSRaja Mani * In the current scenario, WOW resume should happen before start processing 2522a918fb3cSRaja Mani * any data from the target. So It's required to perform WOW resume in RX path. 2523a918fb3cSRaja Mani * Ideally we should perform WOW resume only in the actual platform 2524a918fb3cSRaja Mani * resume path. This area needs bit rework to avoid WOW resume in RX path. 2525a918fb3cSRaja Mani * 2526a918fb3cSRaja Mani * ath6kl_check_wow_status() is called from ath6kl_rx(). 2527a918fb3cSRaja Mani */ 2528a918fb3cSRaja Mani void ath6kl_check_wow_status(struct ath6kl *ar) 2529a918fb3cSRaja Mani { 2530390a8c8fSRaja Mani if (ar->state == ATH6KL_STATE_SUSPENDING) 2531390a8c8fSRaja Mani return; 2532390a8c8fSRaja Mani 2533a918fb3cSRaja Mani if (ar->state == ATH6KL_STATE_WOW) 2534a918fb3cSRaja Mani ath6kl_cfg80211_resume(ar); 2535a918fb3cSRaja Mani } 2536a918fb3cSRaja Mani 2537a918fb3cSRaja Mani #else 2538a918fb3cSRaja Mani 2539a918fb3cSRaja Mani void ath6kl_check_wow_status(struct ath6kl *ar) 2540a918fb3cSRaja Mani { 2541a918fb3cSRaja Mani } 2542abcb344bSKalle Valo #endif 2543abcb344bSKalle Valo 2544df90b369SVasanthakumar Thiagarajan static int ath6kl_set_htcap(struct ath6kl_vif *vif, enum ieee80211_band band, 2545df90b369SVasanthakumar Thiagarajan bool ht_enable) 25466a7c9badSJouni Malinen { 254767b3f129SKiran Reddy struct ath6kl_htcap *htcap = &vif->htcap[band]; 2548e68f6750SSujith Manoharan 2549df90b369SVasanthakumar Thiagarajan if (htcap->ht_enable == ht_enable) 25506a7c9badSJouni Malinen return 0; 2551df90b369SVasanthakumar Thiagarajan 2552df90b369SVasanthakumar Thiagarajan if (ht_enable) { 2553df90b369SVasanthakumar Thiagarajan /* Set default ht capabilities */ 2554df90b369SVasanthakumar Thiagarajan htcap->ht_enable = true; 2555df90b369SVasanthakumar Thiagarajan htcap->cap_info = (band == IEEE80211_BAND_2GHZ) ? 2556df90b369SVasanthakumar Thiagarajan ath6kl_g_htcap : ath6kl_a_htcap; 2557df90b369SVasanthakumar Thiagarajan htcap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K; 2558df90b369SVasanthakumar Thiagarajan } else /* Disable ht */ 2559df90b369SVasanthakumar Thiagarajan memset(htcap, 0, sizeof(*htcap)); 2560df90b369SVasanthakumar Thiagarajan 2561df90b369SVasanthakumar Thiagarajan return ath6kl_wmi_set_htcap_cmd(vif->ar->wmi, vif->fw_vif_idx, 2562df90b369SVasanthakumar Thiagarajan band, htcap); 25636a7c9badSJouni Malinen } 25646a7c9badSJouni Malinen 256537a2f950SThomas Pedersen static int ath6kl_restore_htcap(struct ath6kl_vif *vif) 256637a2f950SThomas Pedersen { 256737a2f950SThomas Pedersen struct wiphy *wiphy = vif->ar->wiphy; 256837a2f950SThomas Pedersen int band, ret = 0; 256937a2f950SThomas Pedersen 257037a2f950SThomas Pedersen for (band = 0; band < IEEE80211_NUM_BANDS; band++) { 257137a2f950SThomas Pedersen if (!wiphy->bands[band]) 257237a2f950SThomas Pedersen continue; 257337a2f950SThomas Pedersen 257437a2f950SThomas Pedersen ret = ath6kl_set_htcap(vif, band, 257537a2f950SThomas Pedersen wiphy->bands[band]->ht_cap.ht_supported); 257637a2f950SThomas Pedersen if (ret) 257737a2f950SThomas Pedersen return ret; 257837a2f950SThomas Pedersen } 257937a2f950SThomas Pedersen 258037a2f950SThomas Pedersen return ret; 258137a2f950SThomas Pedersen } 258237a2f950SThomas Pedersen 25838bdfbf40SJouni Malinen static bool ath6kl_is_p2p_ie(const u8 *pos) 25848bdfbf40SJouni Malinen { 25858bdfbf40SJouni Malinen return pos[0] == WLAN_EID_VENDOR_SPECIFIC && pos[1] >= 4 && 25868bdfbf40SJouni Malinen pos[2] == 0x50 && pos[3] == 0x6f && 25878bdfbf40SJouni Malinen pos[4] == 0x9a && pos[5] == 0x09; 25888bdfbf40SJouni Malinen } 25898bdfbf40SJouni Malinen 2590334234b5SVasanthakumar Thiagarajan static int ath6kl_set_ap_probe_resp_ies(struct ath6kl_vif *vif, 2591334234b5SVasanthakumar Thiagarajan const u8 *ies, size_t ies_len) 25928bdfbf40SJouni Malinen { 2593334234b5SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 25948bdfbf40SJouni Malinen const u8 *pos; 25958bdfbf40SJouni Malinen u8 *buf = NULL; 25968bdfbf40SJouni Malinen size_t len = 0; 25978bdfbf40SJouni Malinen int ret; 25988bdfbf40SJouni Malinen 25998bdfbf40SJouni Malinen /* 26008bdfbf40SJouni Malinen * Filter out P2P IE(s) since they will be included depending on 26018bdfbf40SJouni Malinen * the Probe Request frame in ath6kl_send_go_probe_resp(). 26028bdfbf40SJouni Malinen */ 26038bdfbf40SJouni Malinen 26048bdfbf40SJouni Malinen if (ies && ies_len) { 26058bdfbf40SJouni Malinen buf = kmalloc(ies_len, GFP_KERNEL); 26068bdfbf40SJouni Malinen if (buf == NULL) 26078bdfbf40SJouni Malinen return -ENOMEM; 26088bdfbf40SJouni Malinen pos = ies; 26098bdfbf40SJouni Malinen while (pos + 1 < ies + ies_len) { 26108bdfbf40SJouni Malinen if (pos + 2 + pos[1] > ies + ies_len) 26118bdfbf40SJouni Malinen break; 26128bdfbf40SJouni Malinen if (!ath6kl_is_p2p_ie(pos)) { 26138bdfbf40SJouni Malinen memcpy(buf + len, pos, 2 + pos[1]); 26148bdfbf40SJouni Malinen len += 2 + pos[1]; 26158bdfbf40SJouni Malinen } 26168bdfbf40SJouni Malinen pos += 2 + pos[1]; 26178bdfbf40SJouni Malinen } 26188bdfbf40SJouni Malinen } 26198bdfbf40SJouni Malinen 2620334234b5SVasanthakumar Thiagarajan ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 2621334234b5SVasanthakumar Thiagarajan WMI_FRAME_PROBE_RESP, buf, len); 26228bdfbf40SJouni Malinen kfree(buf); 26238bdfbf40SJouni Malinen return ret; 26248bdfbf40SJouni Malinen } 26258bdfbf40SJouni Malinen 26268860020eSJohannes Berg static int ath6kl_set_ies(struct ath6kl_vif *vif, 26278860020eSJohannes Berg struct cfg80211_beacon_data *info) 26288860020eSJohannes Berg { 26298860020eSJohannes Berg struct ath6kl *ar = vif->ar; 26308860020eSJohannes Berg int res; 26318860020eSJohannes Berg 263217a7b16dSAarthi Thiruvengadam /* this also clears IE in fw if it's not set */ 26338860020eSJohannes Berg res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 26348860020eSJohannes Berg WMI_FRAME_BEACON, 26358860020eSJohannes Berg info->beacon_ies, 26368860020eSJohannes Berg info->beacon_ies_len); 26378860020eSJohannes Berg if (res) 26388860020eSJohannes Berg return res; 26398860020eSJohannes Berg 264017a7b16dSAarthi Thiruvengadam /* this also clears IE in fw if it's not set */ 26418860020eSJohannes Berg res = ath6kl_set_ap_probe_resp_ies(vif, info->proberesp_ies, 26428860020eSJohannes Berg info->proberesp_ies_len); 26438860020eSJohannes Berg if (res) 26448860020eSJohannes Berg return res; 26458860020eSJohannes Berg 264617a7b16dSAarthi Thiruvengadam /* this also clears IE in fw if it's not set */ 26478860020eSJohannes Berg res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 26488860020eSJohannes Berg WMI_FRAME_ASSOC_RESP, 26498860020eSJohannes Berg info->assocresp_ies, 26508860020eSJohannes Berg info->assocresp_ies_len); 26518860020eSJohannes Berg if (res) 26528860020eSJohannes Berg return res; 26538860020eSJohannes Berg 26548860020eSJohannes Berg return 0; 26558860020eSJohannes Berg } 26568860020eSJohannes Berg 2657c422d52dSThomas Pedersen void ath6kl_cfg80211_sta_bmiss_enhance(struct ath6kl_vif *vif, bool enable) 2658c422d52dSThomas Pedersen { 2659c422d52dSThomas Pedersen int err; 2660c422d52dSThomas Pedersen 2661c422d52dSThomas Pedersen if (WARN_ON(!test_bit(WMI_READY, &vif->ar->flag))) 2662c422d52dSThomas Pedersen return; 2663c422d52dSThomas Pedersen 2664c422d52dSThomas Pedersen if (vif->nw_type != INFRA_NETWORK) 2665c422d52dSThomas Pedersen return; 2666c422d52dSThomas Pedersen 2667c422d52dSThomas Pedersen if (!test_bit(ATH6KL_FW_CAPABILITY_BMISS_ENHANCE, 2668c422d52dSThomas Pedersen vif->ar->fw_capabilities)) 2669c422d52dSThomas Pedersen return; 2670c422d52dSThomas Pedersen 2671c422d52dSThomas Pedersen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s fw bmiss enhance\n", 2672c422d52dSThomas Pedersen enable ? "enable" : "disable"); 2673c422d52dSThomas Pedersen 2674c422d52dSThomas Pedersen err = ath6kl_wmi_sta_bmiss_enhance_cmd(vif->ar->wmi, 2675c422d52dSThomas Pedersen vif->fw_vif_idx, enable); 2676c422d52dSThomas Pedersen if (err) 2677c422d52dSThomas Pedersen ath6kl_err("failed to %s enhanced bmiss detection: %d\n", 2678c422d52dSThomas Pedersen enable ? "enable" : "disable", err); 2679c422d52dSThomas Pedersen } 2680c422d52dSThomas Pedersen 2681d97c121bSVasanthakumar Thiagarajan static int ath6kl_get_rsn_capab(struct cfg80211_beacon_data *beacon, 2682d97c121bSVasanthakumar Thiagarajan u8 *rsn_capab) 2683d97c121bSVasanthakumar Thiagarajan { 2684d97c121bSVasanthakumar Thiagarajan const u8 *rsn_ie; 2685d97c121bSVasanthakumar Thiagarajan size_t rsn_ie_len; 2686d97c121bSVasanthakumar Thiagarajan u16 cnt; 2687d97c121bSVasanthakumar Thiagarajan 2688d97c121bSVasanthakumar Thiagarajan if (!beacon->tail) 2689d97c121bSVasanthakumar Thiagarajan return -EINVAL; 2690d97c121bSVasanthakumar Thiagarajan 2691d97c121bSVasanthakumar Thiagarajan rsn_ie = cfg80211_find_ie(WLAN_EID_RSN, beacon->tail, beacon->tail_len); 2692d97c121bSVasanthakumar Thiagarajan if (!rsn_ie) 2693d97c121bSVasanthakumar Thiagarajan return -EINVAL; 2694d97c121bSVasanthakumar Thiagarajan 2695d97c121bSVasanthakumar Thiagarajan rsn_ie_len = *(rsn_ie + 1); 2696d97c121bSVasanthakumar Thiagarajan /* skip element id and length */ 2697d97c121bSVasanthakumar Thiagarajan rsn_ie += 2; 2698d97c121bSVasanthakumar Thiagarajan 26999e8b16dbSVasanthakumar Thiagarajan /* skip version */ 27009e8b16dbSVasanthakumar Thiagarajan if (rsn_ie_len < 2) 2701d97c121bSVasanthakumar Thiagarajan return -EINVAL; 27029e8b16dbSVasanthakumar Thiagarajan rsn_ie += 2; 27039e8b16dbSVasanthakumar Thiagarajan rsn_ie_len -= 2; 27049e8b16dbSVasanthakumar Thiagarajan 27059e8b16dbSVasanthakumar Thiagarajan /* skip group cipher suite */ 27069e8b16dbSVasanthakumar Thiagarajan if (rsn_ie_len < 4) 27079e8b16dbSVasanthakumar Thiagarajan return 0; 27089e8b16dbSVasanthakumar Thiagarajan rsn_ie += 4; 27099e8b16dbSVasanthakumar Thiagarajan rsn_ie_len -= 4; 2710d97c121bSVasanthakumar Thiagarajan 2711d97c121bSVasanthakumar Thiagarajan /* skip pairwise cipher suite */ 2712d97c121bSVasanthakumar Thiagarajan if (rsn_ie_len < 2) 27139e8b16dbSVasanthakumar Thiagarajan return 0; 2714798985c6SVasanthakumar Thiagarajan cnt = get_unaligned_le16(rsn_ie); 2715d97c121bSVasanthakumar Thiagarajan rsn_ie += (2 + cnt * 4); 2716d97c121bSVasanthakumar Thiagarajan rsn_ie_len -= (2 + cnt * 4); 2717d97c121bSVasanthakumar Thiagarajan 2718d97c121bSVasanthakumar Thiagarajan /* skip akm suite */ 2719d97c121bSVasanthakumar Thiagarajan if (rsn_ie_len < 2) 27209e8b16dbSVasanthakumar Thiagarajan return 0; 2721798985c6SVasanthakumar Thiagarajan cnt = get_unaligned_le16(rsn_ie); 2722d97c121bSVasanthakumar Thiagarajan rsn_ie += (2 + cnt * 4); 2723d97c121bSVasanthakumar Thiagarajan rsn_ie_len -= (2 + cnt * 4); 2724d97c121bSVasanthakumar Thiagarajan 2725d97c121bSVasanthakumar Thiagarajan if (rsn_ie_len < 2) 27269e8b16dbSVasanthakumar Thiagarajan return 0; 2727d97c121bSVasanthakumar Thiagarajan 2728d97c121bSVasanthakumar Thiagarajan memcpy(rsn_capab, rsn_ie, 2); 2729d97c121bSVasanthakumar Thiagarajan 2730d97c121bSVasanthakumar Thiagarajan return 0; 2731d97c121bSVasanthakumar Thiagarajan } 2732d97c121bSVasanthakumar Thiagarajan 27338860020eSJohannes Berg static int ath6kl_start_ap(struct wiphy *wiphy, struct net_device *dev, 27348860020eSJohannes Berg struct cfg80211_ap_settings *info) 27356a7c9badSJouni Malinen { 27366a7c9badSJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 27373450334fSVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 27386a7c9badSJouni Malinen struct ieee80211_mgmt *mgmt; 273967cd22e4SThomas Pedersen bool hidden = false; 27406a7c9badSJouni Malinen u8 *ies; 27416a7c9badSJouni Malinen int ies_len; 27426a7c9badSJouni Malinen struct wmi_connect_cmd p; 27436a7c9badSJouni Malinen int res; 2744be5abaafSVasanthakumar Thiagarajan int i, ret; 2745d97c121bSVasanthakumar Thiagarajan u16 rsn_capab = 0; 27466a7c9badSJouni Malinen 27478860020eSJohannes Berg ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s:\n", __func__); 27486a7c9badSJouni Malinen 2749990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 27506a7c9badSJouni Malinen return -EIO; 27516a7c9badSJouni Malinen 2752f5938f24SVasanthakumar Thiagarajan if (vif->next_mode != AP_NETWORK) 27536a7c9badSJouni Malinen return -EOPNOTSUPP; 27546a7c9badSJouni Malinen 27558860020eSJohannes Berg res = ath6kl_set_ies(vif, &info->beacon); 27566a7c9badSJouni Malinen 27579a5b1318SJouni Malinen ar->ap_mode_bkey.valid = false; 27589a5b1318SJouni Malinen 27596a7c9badSJouni Malinen /* TODO: 27606a7c9badSJouni Malinen * info->interval 27616a7c9badSJouni Malinen */ 27626a7c9badSJouni Malinen 2763d154f32eSEtay Luz ret = ath6kl_wmi_ap_set_dtim_cmd(ar->wmi, vif->fw_vif_idx, 2764d154f32eSEtay Luz info->dtim_period); 2765d154f32eSEtay Luz 2766d154f32eSEtay Luz /* ignore error, just print a warning and continue normally */ 2767d154f32eSEtay Luz if (ret) 2768d154f32eSEtay Luz ath6kl_warn("Failed to set dtim_period in beacon: %d\n", ret); 2769d154f32eSEtay Luz 27708860020eSJohannes Berg if (info->beacon.head == NULL) 27716a7c9badSJouni Malinen return -EINVAL; 27728860020eSJohannes Berg mgmt = (struct ieee80211_mgmt *) info->beacon.head; 27736a7c9badSJouni Malinen ies = mgmt->u.beacon.variable; 27748860020eSJohannes Berg if (ies > info->beacon.head + info->beacon.head_len) 27756a7c9badSJouni Malinen return -EINVAL; 27768860020eSJohannes Berg ies_len = info->beacon.head + info->beacon.head_len - ies; 27776a7c9badSJouni Malinen 27786a7c9badSJouni Malinen if (info->ssid == NULL) 27796a7c9badSJouni Malinen return -EINVAL; 27803450334fSVasanthakumar Thiagarajan memcpy(vif->ssid, info->ssid, info->ssid_len); 27813450334fSVasanthakumar Thiagarajan vif->ssid_len = info->ssid_len; 27826a7c9badSJouni Malinen if (info->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE) 278367cd22e4SThomas Pedersen hidden = true; 278467cd22e4SThomas Pedersen 278567cd22e4SThomas Pedersen res = ath6kl_wmi_ap_hidden_ssid(ar->wmi, vif->fw_vif_idx, hidden); 278667cd22e4SThomas Pedersen if (res) 278767cd22e4SThomas Pedersen return res; 27886a7c9badSJouni Malinen 2789be5abaafSVasanthakumar Thiagarajan ret = ath6kl_set_auth_type(vif, info->auth_type); 2790be5abaafSVasanthakumar Thiagarajan if (ret) 2791be5abaafSVasanthakumar Thiagarajan return ret; 27926a7c9badSJouni Malinen 27936a7c9badSJouni Malinen memset(&p, 0, sizeof(p)); 27946a7c9badSJouni Malinen 27956a7c9badSJouni Malinen for (i = 0; i < info->crypto.n_akm_suites; i++) { 27966a7c9badSJouni Malinen switch (info->crypto.akm_suites[i]) { 27976a7c9badSJouni Malinen case WLAN_AKM_SUITE_8021X: 27986a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1) 27996a7c9badSJouni Malinen p.auth_mode |= WPA_AUTH; 28006a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2) 28016a7c9badSJouni Malinen p.auth_mode |= WPA2_AUTH; 28026a7c9badSJouni Malinen break; 28036a7c9badSJouni Malinen case WLAN_AKM_SUITE_PSK: 28046a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1) 28056a7c9badSJouni Malinen p.auth_mode |= WPA_PSK_AUTH; 28066a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2) 28076a7c9badSJouni Malinen p.auth_mode |= WPA2_PSK_AUTH; 28086a7c9badSJouni Malinen break; 28096a7c9badSJouni Malinen } 28106a7c9badSJouni Malinen } 28116a7c9badSJouni Malinen if (p.auth_mode == 0) 28126a7c9badSJouni Malinen p.auth_mode = NONE_AUTH; 28133450334fSVasanthakumar Thiagarajan vif->auth_mode = p.auth_mode; 28146a7c9badSJouni Malinen 28156a7c9badSJouni Malinen for (i = 0; i < info->crypto.n_ciphers_pairwise; i++) { 28166a7c9badSJouni Malinen switch (info->crypto.ciphers_pairwise[i]) { 28176a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP40: 28186a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP104: 28196a7c9badSJouni Malinen p.prwise_crypto_type |= WEP_CRYPT; 28206a7c9badSJouni Malinen break; 28216a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_TKIP: 28226a7c9badSJouni Malinen p.prwise_crypto_type |= TKIP_CRYPT; 28236a7c9badSJouni Malinen break; 28246a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_CCMP: 28256a7c9badSJouni Malinen p.prwise_crypto_type |= AES_CRYPT; 28266a7c9badSJouni Malinen break; 2827b8214df1SDai Shuibing case WLAN_CIPHER_SUITE_SMS4: 2828b8214df1SDai Shuibing p.prwise_crypto_type |= WAPI_CRYPT; 2829b8214df1SDai Shuibing break; 28306a7c9badSJouni Malinen } 28316a7c9badSJouni Malinen } 2832229ed6b5SEdward Lu if (p.prwise_crypto_type == 0) { 28336a7c9badSJouni Malinen p.prwise_crypto_type = NONE_CRYPT; 2834240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, 0, true); 2835229ed6b5SEdward Lu } else if (info->crypto.n_ciphers_pairwise == 1) 2836240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, info->crypto.ciphers_pairwise[0], true); 28376a7c9badSJouni Malinen 28386a7c9badSJouni Malinen switch (info->crypto.cipher_group) { 28396a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP40: 28406a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP104: 28416a7c9badSJouni Malinen p.grp_crypto_type = WEP_CRYPT; 28426a7c9badSJouni Malinen break; 28436a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_TKIP: 28446a7c9badSJouni Malinen p.grp_crypto_type = TKIP_CRYPT; 28456a7c9badSJouni Malinen break; 28466a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_CCMP: 28476a7c9badSJouni Malinen p.grp_crypto_type = AES_CRYPT; 28486a7c9badSJouni Malinen break; 2849b8214df1SDai Shuibing case WLAN_CIPHER_SUITE_SMS4: 2850b8214df1SDai Shuibing p.grp_crypto_type = WAPI_CRYPT; 2851b8214df1SDai Shuibing break; 28526a7c9badSJouni Malinen default: 28536a7c9badSJouni Malinen p.grp_crypto_type = NONE_CRYPT; 28546a7c9badSJouni Malinen break; 28556a7c9badSJouni Malinen } 2856240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, info->crypto.cipher_group, false); 28576a7c9badSJouni Malinen 28586a7c9badSJouni Malinen p.nw_type = AP_NETWORK; 2859f5938f24SVasanthakumar Thiagarajan vif->nw_type = vif->next_mode; 28606a7c9badSJouni Malinen 28613450334fSVasanthakumar Thiagarajan p.ssid_len = vif->ssid_len; 28623450334fSVasanthakumar Thiagarajan memcpy(p.ssid, vif->ssid, vif->ssid_len); 28633450334fSVasanthakumar Thiagarajan p.dot11_auth_mode = vif->dot11_auth_mode; 2864683b6d3bSJohannes Berg p.ch = cpu_to_le16(info->chandef.chan->center_freq); 28656a7c9badSJouni Malinen 2866c1762a3fSThirumalai Pachamuthu /* Enable uAPSD support by default */ 2867c1762a3fSThirumalai Pachamuthu res = ath6kl_wmi_ap_set_apsd(ar->wmi, vif->fw_vif_idx, true); 2868c1762a3fSThirumalai Pachamuthu if (res < 0) 2869c1762a3fSThirumalai Pachamuthu return res; 2870c1762a3fSThirumalai Pachamuthu 28713ca9d1fcSAarthi Thiruvengadam if (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO) { 28723ca9d1fcSAarthi Thiruvengadam p.nw_subtype = SUBTYPE_P2PGO; 28733ca9d1fcSAarthi Thiruvengadam } else { 28743ca9d1fcSAarthi Thiruvengadam /* 28753ca9d1fcSAarthi Thiruvengadam * Due to firmware limitation, it is not possible to 28763ca9d1fcSAarthi Thiruvengadam * do P2P mgmt operations in AP mode 28773ca9d1fcSAarthi Thiruvengadam */ 28783ca9d1fcSAarthi Thiruvengadam p.nw_subtype = SUBTYPE_NONE; 28793ca9d1fcSAarthi Thiruvengadam } 28803ca9d1fcSAarthi Thiruvengadam 288103bdeb0dSVasanthakumar Thiagarajan if (info->inactivity_timeout) { 288203bdeb0dSVasanthakumar Thiagarajan res = ath6kl_wmi_set_inact_period(ar->wmi, vif->fw_vif_idx, 288303bdeb0dSVasanthakumar Thiagarajan info->inactivity_timeout); 288403bdeb0dSVasanthakumar Thiagarajan if (res < 0) 288503bdeb0dSVasanthakumar Thiagarajan return res; 288603bdeb0dSVasanthakumar Thiagarajan } 288703bdeb0dSVasanthakumar Thiagarajan 2888683b6d3bSJohannes Berg if (ath6kl_set_htcap(vif, info->chandef.chan->band, 2889683b6d3bSJohannes Berg cfg80211_get_chandef_type(&info->chandef) 2890683b6d3bSJohannes Berg != NL80211_CHAN_NO_HT)) 2891df90b369SVasanthakumar Thiagarajan return -EIO; 2892df90b369SVasanthakumar Thiagarajan 2893d97c121bSVasanthakumar Thiagarajan /* 2894d97c121bSVasanthakumar Thiagarajan * Get the PTKSA replay counter in the RSN IE. Supplicant 2895d97c121bSVasanthakumar Thiagarajan * will use the RSN IE in M3 message and firmware has to 2896d97c121bSVasanthakumar Thiagarajan * advertise the same in beacon/probe response. Send 2897d97c121bSVasanthakumar Thiagarajan * the complete RSN IE capability field to firmware 2898d97c121bSVasanthakumar Thiagarajan */ 2899d97c121bSVasanthakumar Thiagarajan if (!ath6kl_get_rsn_capab(&info->beacon, (u8 *) &rsn_capab) && 2900d97c121bSVasanthakumar Thiagarajan test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE, 2901d97c121bSVasanthakumar Thiagarajan ar->fw_capabilities)) { 2902d97c121bSVasanthakumar Thiagarajan res = ath6kl_wmi_set_ie_cmd(ar->wmi, vif->fw_vif_idx, 2903d97c121bSVasanthakumar Thiagarajan WLAN_EID_RSN, WMI_RSN_IE_CAPB, 2904d97c121bSVasanthakumar Thiagarajan (const u8 *) &rsn_capab, 2905d97c121bSVasanthakumar Thiagarajan sizeof(rsn_capab)); 2906d97c121bSVasanthakumar Thiagarajan if (res < 0) 2907d97c121bSVasanthakumar Thiagarajan return res; 2908d97c121bSVasanthakumar Thiagarajan } 2909d97c121bSVasanthakumar Thiagarajan 2910c4f7863eSThomas Pedersen memcpy(&vif->profile, &p, sizeof(p)); 2911334234b5SVasanthakumar Thiagarajan res = ath6kl_wmi_ap_profile_commit(ar->wmi, vif->fw_vif_idx, &p); 29129a5b1318SJouni Malinen if (res < 0) 29139a5b1318SJouni Malinen return res; 29149a5b1318SJouni Malinen 29159a5b1318SJouni Malinen return 0; 29166a7c9badSJouni Malinen } 29176a7c9badSJouni Malinen 29188860020eSJohannes Berg static int ath6kl_change_beacon(struct wiphy *wiphy, struct net_device *dev, 29198860020eSJohannes Berg struct cfg80211_beacon_data *beacon) 29206a7c9badSJouni Malinen { 29218860020eSJohannes Berg struct ath6kl_vif *vif = netdev_priv(dev); 29228860020eSJohannes Berg 29238860020eSJohannes Berg if (!ath6kl_cfg80211_ready(vif)) 29248860020eSJohannes Berg return -EIO; 29258860020eSJohannes Berg 29268860020eSJohannes Berg if (vif->next_mode != AP_NETWORK) 29278860020eSJohannes Berg return -EOPNOTSUPP; 29288860020eSJohannes Berg 29298860020eSJohannes Berg return ath6kl_set_ies(vif, beacon); 29306a7c9badSJouni Malinen } 29316a7c9badSJouni Malinen 29328860020eSJohannes Berg static int ath6kl_stop_ap(struct wiphy *wiphy, struct net_device *dev) 29336a7c9badSJouni Malinen { 29346a7c9badSJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 293559c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 29366a7c9badSJouni Malinen 2937f5938f24SVasanthakumar Thiagarajan if (vif->nw_type != AP_NETWORK) 29386a7c9badSJouni Malinen return -EOPNOTSUPP; 293959c98449SVasanthakumar Thiagarajan if (!test_bit(CONNECTED, &vif->flags)) 29406a7c9badSJouni Malinen return -ENOTCONN; 29416a7c9badSJouni Malinen 2942334234b5SVasanthakumar Thiagarajan ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx); 294359c98449SVasanthakumar Thiagarajan clear_bit(CONNECTED, &vif->flags); 29446a7c9badSJouni Malinen 2945df90b369SVasanthakumar Thiagarajan /* Restore ht setting in firmware */ 294637a2f950SThomas Pedersen return ath6kl_restore_htcap(vif); 29476a7c9badSJouni Malinen } 29486a7c9badSJouni Malinen 294933e5308dSJouni Malinen static const u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; 295033e5308dSJouni Malinen 295133e5308dSJouni Malinen static int ath6kl_del_station(struct wiphy *wiphy, struct net_device *dev, 295233e5308dSJouni Malinen u8 *mac) 295333e5308dSJouni Malinen { 295433e5308dSJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 295533e5308dSJouni Malinen struct ath6kl_vif *vif = netdev_priv(dev); 295633e5308dSJouni Malinen const u8 *addr = mac ? mac : bcast_addr; 295733e5308dSJouni Malinen 295833e5308dSJouni Malinen return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, WMI_AP_DEAUTH, 295933e5308dSJouni Malinen addr, WLAN_REASON_PREV_AUTH_NOT_VALID); 296033e5308dSJouni Malinen } 296133e5308dSJouni Malinen 296223875136SJouni Malinen static int ath6kl_change_station(struct wiphy *wiphy, struct net_device *dev, 296323875136SJouni Malinen u8 *mac, struct station_parameters *params) 296423875136SJouni Malinen { 296523875136SJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 2966f5938f24SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 296723875136SJouni Malinen 2968f5938f24SVasanthakumar Thiagarajan if (vif->nw_type != AP_NETWORK) 296923875136SJouni Malinen return -EOPNOTSUPP; 297023875136SJouni Malinen 297123875136SJouni Malinen /* Use this only for authorizing/unauthorizing a station */ 297223875136SJouni Malinen if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))) 297323875136SJouni Malinen return -EOPNOTSUPP; 297423875136SJouni Malinen 297523875136SJouni Malinen if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED)) 2976334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, 2977334234b5SVasanthakumar Thiagarajan WMI_AP_MLME_AUTHORIZE, mac, 0); 2978334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, 2979334234b5SVasanthakumar Thiagarajan WMI_AP_MLME_UNAUTHORIZE, mac, 0); 298023875136SJouni Malinen } 298123875136SJouni Malinen 298263fa1e0cSJouni Malinen static int ath6kl_remain_on_channel(struct wiphy *wiphy, 298371bbc994SJohannes Berg struct wireless_dev *wdev, 298463fa1e0cSJouni Malinen struct ieee80211_channel *chan, 298563fa1e0cSJouni Malinen unsigned int duration, 298663fa1e0cSJouni Malinen u64 *cookie) 298763fa1e0cSJouni Malinen { 298871bbc994SJohannes Berg struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); 298971bbc994SJohannes Berg struct ath6kl *ar = ath6kl_priv(vif->ndev); 29901052261eSJouni Malinen u32 id; 299163fa1e0cSJouni Malinen 299263fa1e0cSJouni Malinen /* TODO: if already pending or ongoing remain-on-channel, 299363fa1e0cSJouni Malinen * return -EBUSY */ 29941052261eSJouni Malinen id = ++vif->last_roc_id; 29951052261eSJouni Malinen if (id == 0) { 29961052261eSJouni Malinen /* Do not use 0 as the cookie value */ 29971052261eSJouni Malinen id = ++vif->last_roc_id; 29981052261eSJouni Malinen } 29991052261eSJouni Malinen *cookie = id; 300063fa1e0cSJouni Malinen 3001334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx, 3002334234b5SVasanthakumar Thiagarajan chan->center_freq, duration); 300363fa1e0cSJouni Malinen } 300463fa1e0cSJouni Malinen 300563fa1e0cSJouni Malinen static int ath6kl_cancel_remain_on_channel(struct wiphy *wiphy, 300671bbc994SJohannes Berg struct wireless_dev *wdev, 300763fa1e0cSJouni Malinen u64 cookie) 300863fa1e0cSJouni Malinen { 300971bbc994SJohannes Berg struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); 301071bbc994SJohannes Berg struct ath6kl *ar = ath6kl_priv(vif->ndev); 301163fa1e0cSJouni Malinen 30121052261eSJouni Malinen if (cookie != vif->last_roc_id) 301363fa1e0cSJouni Malinen return -ENOENT; 30141052261eSJouni Malinen vif->last_cancel_roc_id = cookie; 301563fa1e0cSJouni Malinen 3016334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_cancel_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx); 301763fa1e0cSJouni Malinen } 301863fa1e0cSJouni Malinen 3019334234b5SVasanthakumar Thiagarajan static int ath6kl_send_go_probe_resp(struct ath6kl_vif *vif, 3020334234b5SVasanthakumar Thiagarajan const u8 *buf, size_t len, 3021334234b5SVasanthakumar Thiagarajan unsigned int freq) 30228bdfbf40SJouni Malinen { 3023334234b5SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 30248bdfbf40SJouni Malinen const u8 *pos; 30258bdfbf40SJouni Malinen u8 *p2p; 30268bdfbf40SJouni Malinen int p2p_len; 30278bdfbf40SJouni Malinen int ret; 30288bdfbf40SJouni Malinen const struct ieee80211_mgmt *mgmt; 30298bdfbf40SJouni Malinen 30308bdfbf40SJouni Malinen mgmt = (const struct ieee80211_mgmt *) buf; 30318bdfbf40SJouni Malinen 30328bdfbf40SJouni Malinen /* Include P2P IE(s) from the frame generated in user space. */ 30338bdfbf40SJouni Malinen 30348bdfbf40SJouni Malinen p2p = kmalloc(len, GFP_KERNEL); 30358bdfbf40SJouni Malinen if (p2p == NULL) 30368bdfbf40SJouni Malinen return -ENOMEM; 30378bdfbf40SJouni Malinen p2p_len = 0; 30388bdfbf40SJouni Malinen 30398bdfbf40SJouni Malinen pos = mgmt->u.probe_resp.variable; 30408bdfbf40SJouni Malinen while (pos + 1 < buf + len) { 30418bdfbf40SJouni Malinen if (pos + 2 + pos[1] > buf + len) 30428bdfbf40SJouni Malinen break; 30438bdfbf40SJouni Malinen if (ath6kl_is_p2p_ie(pos)) { 30448bdfbf40SJouni Malinen memcpy(p2p + p2p_len, pos, 2 + pos[1]); 30458bdfbf40SJouni Malinen p2p_len += 2 + pos[1]; 30468bdfbf40SJouni Malinen } 30478bdfbf40SJouni Malinen pos += 2 + pos[1]; 30488bdfbf40SJouni Malinen } 30498bdfbf40SJouni Malinen 3050334234b5SVasanthakumar Thiagarajan ret = ath6kl_wmi_send_probe_response_cmd(ar->wmi, vif->fw_vif_idx, freq, 3051334234b5SVasanthakumar Thiagarajan mgmt->da, p2p, p2p_len); 30528bdfbf40SJouni Malinen kfree(p2p); 30538bdfbf40SJouni Malinen return ret; 30548bdfbf40SJouni Malinen } 30558bdfbf40SJouni Malinen 3056d0ff7383SNaveen Gangadharan static bool ath6kl_mgmt_powersave_ap(struct ath6kl_vif *vif, 3057d0ff7383SNaveen Gangadharan u32 id, 3058d0ff7383SNaveen Gangadharan u32 freq, 3059d0ff7383SNaveen Gangadharan u32 wait, 3060d0ff7383SNaveen Gangadharan const u8 *buf, 3061d0ff7383SNaveen Gangadharan size_t len, 3062d0ff7383SNaveen Gangadharan bool *more_data, 3063d0ff7383SNaveen Gangadharan bool no_cck) 3064d0ff7383SNaveen Gangadharan { 3065d0ff7383SNaveen Gangadharan struct ieee80211_mgmt *mgmt; 3066d0ff7383SNaveen Gangadharan struct ath6kl_sta *conn; 3067d0ff7383SNaveen Gangadharan bool is_psq_empty = false; 3068d0ff7383SNaveen Gangadharan struct ath6kl_mgmt_buff *mgmt_buf; 3069d0ff7383SNaveen Gangadharan size_t mgmt_buf_size; 3070d0ff7383SNaveen Gangadharan struct ath6kl *ar = vif->ar; 3071d0ff7383SNaveen Gangadharan 3072d0ff7383SNaveen Gangadharan mgmt = (struct ieee80211_mgmt *) buf; 3073d0ff7383SNaveen Gangadharan if (is_multicast_ether_addr(mgmt->da)) 3074d0ff7383SNaveen Gangadharan return false; 3075d0ff7383SNaveen Gangadharan 3076d0ff7383SNaveen Gangadharan conn = ath6kl_find_sta(vif, mgmt->da); 3077d0ff7383SNaveen Gangadharan if (!conn) 3078d0ff7383SNaveen Gangadharan return false; 3079d0ff7383SNaveen Gangadharan 3080d0ff7383SNaveen Gangadharan if (conn->sta_flags & STA_PS_SLEEP) { 3081d0ff7383SNaveen Gangadharan if (!(conn->sta_flags & STA_PS_POLLED)) { 3082d0ff7383SNaveen Gangadharan /* Queue the frames if the STA is sleeping */ 3083d0ff7383SNaveen Gangadharan mgmt_buf_size = len + sizeof(struct ath6kl_mgmt_buff); 3084d0ff7383SNaveen Gangadharan mgmt_buf = kmalloc(mgmt_buf_size, GFP_KERNEL); 3085d0ff7383SNaveen Gangadharan if (!mgmt_buf) 3086d0ff7383SNaveen Gangadharan return false; 3087d0ff7383SNaveen Gangadharan 3088d0ff7383SNaveen Gangadharan INIT_LIST_HEAD(&mgmt_buf->list); 3089d0ff7383SNaveen Gangadharan mgmt_buf->id = id; 3090d0ff7383SNaveen Gangadharan mgmt_buf->freq = freq; 3091d0ff7383SNaveen Gangadharan mgmt_buf->wait = wait; 3092d0ff7383SNaveen Gangadharan mgmt_buf->len = len; 3093d0ff7383SNaveen Gangadharan mgmt_buf->no_cck = no_cck; 3094d0ff7383SNaveen Gangadharan memcpy(mgmt_buf->buf, buf, len); 3095d0ff7383SNaveen Gangadharan spin_lock_bh(&conn->psq_lock); 3096d0ff7383SNaveen Gangadharan is_psq_empty = skb_queue_empty(&conn->psq) && 3097d0ff7383SNaveen Gangadharan (conn->mgmt_psq_len == 0); 3098d0ff7383SNaveen Gangadharan list_add_tail(&mgmt_buf->list, &conn->mgmt_psq); 3099d0ff7383SNaveen Gangadharan conn->mgmt_psq_len++; 3100d0ff7383SNaveen Gangadharan spin_unlock_bh(&conn->psq_lock); 3101d0ff7383SNaveen Gangadharan 3102d0ff7383SNaveen Gangadharan /* 3103d0ff7383SNaveen Gangadharan * If this is the first pkt getting queued 3104d0ff7383SNaveen Gangadharan * for this STA, update the PVB for this 3105d0ff7383SNaveen Gangadharan * STA. 3106d0ff7383SNaveen Gangadharan */ 3107d0ff7383SNaveen Gangadharan if (is_psq_empty) 3108d0ff7383SNaveen Gangadharan ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx, 3109d0ff7383SNaveen Gangadharan conn->aid, 1); 3110d0ff7383SNaveen Gangadharan return true; 3111d0ff7383SNaveen Gangadharan } 3112d0ff7383SNaveen Gangadharan 3113d0ff7383SNaveen Gangadharan /* 3114d0ff7383SNaveen Gangadharan * This tx is because of a PsPoll. 3115d0ff7383SNaveen Gangadharan * Determine if MoreData bit has to be set. 3116d0ff7383SNaveen Gangadharan */ 3117d0ff7383SNaveen Gangadharan spin_lock_bh(&conn->psq_lock); 3118d0ff7383SNaveen Gangadharan if (!skb_queue_empty(&conn->psq) || (conn->mgmt_psq_len != 0)) 3119d0ff7383SNaveen Gangadharan *more_data = true; 3120d0ff7383SNaveen Gangadharan spin_unlock_bh(&conn->psq_lock); 3121d0ff7383SNaveen Gangadharan } 3122d0ff7383SNaveen Gangadharan 3123d0ff7383SNaveen Gangadharan return false; 3124d0ff7383SNaveen Gangadharan } 3125d0ff7383SNaveen Gangadharan 3126c86e4f44SAarthi Thiruvengadam /* Check if SSID length is greater than DIRECT- */ 3127c86e4f44SAarthi Thiruvengadam static bool ath6kl_is_p2p_go_ssid(const u8 *buf, size_t len) 3128c86e4f44SAarthi Thiruvengadam { 3129c86e4f44SAarthi Thiruvengadam const struct ieee80211_mgmt *mgmt; 3130c86e4f44SAarthi Thiruvengadam mgmt = (const struct ieee80211_mgmt *) buf; 3131c86e4f44SAarthi Thiruvengadam 3132c86e4f44SAarthi Thiruvengadam /* variable[1] contains the SSID tag length */ 3133c86e4f44SAarthi Thiruvengadam if (buf + len >= &mgmt->u.probe_resp.variable[1] && 3134c86e4f44SAarthi Thiruvengadam (mgmt->u.probe_resp.variable[1] > P2P_WILDCARD_SSID_LEN)) { 3135c86e4f44SAarthi Thiruvengadam return true; 3136c86e4f44SAarthi Thiruvengadam } 3137c86e4f44SAarthi Thiruvengadam 3138c86e4f44SAarthi Thiruvengadam return false; 3139c86e4f44SAarthi Thiruvengadam } 3140c86e4f44SAarthi Thiruvengadam 314171bbc994SJohannes Berg static int ath6kl_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, 31428a6c8060SJouni Malinen struct ieee80211_channel *chan, bool offchan, 314342d97a59SJohannes Berg unsigned int wait, const u8 *buf, size_t len, 314442d97a59SJohannes Berg bool no_cck, bool dont_wait_for_ack, u64 *cookie) 31458a6c8060SJouni Malinen { 314671bbc994SJohannes Berg struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); 314771bbc994SJohannes Berg struct ath6kl *ar = ath6kl_priv(vif->ndev); 31488a6c8060SJouni Malinen u32 id; 31498bdfbf40SJouni Malinen const struct ieee80211_mgmt *mgmt; 3150d0ff7383SNaveen Gangadharan bool more_data, queued; 31518bdfbf40SJouni Malinen 31528bdfbf40SJouni Malinen mgmt = (const struct ieee80211_mgmt *) buf; 3153c86e4f44SAarthi Thiruvengadam if (vif->nw_type == AP_NETWORK && test_bit(CONNECTED, &vif->flags) && 3154c86e4f44SAarthi Thiruvengadam ieee80211_is_probe_resp(mgmt->frame_control) && 3155c86e4f44SAarthi Thiruvengadam ath6kl_is_p2p_go_ssid(buf, len)) { 31568bdfbf40SJouni Malinen /* 3157c86e4f44SAarthi Thiruvengadam * Send Probe Response frame in GO mode using a separate WMI 31588bdfbf40SJouni Malinen * command to allow the target to fill in the generic IEs. 31598bdfbf40SJouni Malinen */ 31608bdfbf40SJouni Malinen *cookie = 0; /* TX status not supported */ 3161334234b5SVasanthakumar Thiagarajan return ath6kl_send_go_probe_resp(vif, buf, len, 31628bdfbf40SJouni Malinen chan->center_freq); 31638bdfbf40SJouni Malinen } 31648a6c8060SJouni Malinen 3165cf5333d7SVasanthakumar Thiagarajan id = vif->send_action_id++; 31668a6c8060SJouni Malinen if (id == 0) { 31678a6c8060SJouni Malinen /* 31688a6c8060SJouni Malinen * 0 is a reserved value in the WMI command and shall not be 31698a6c8060SJouni Malinen * used for the command. 31708a6c8060SJouni Malinen */ 3171cf5333d7SVasanthakumar Thiagarajan id = vif->send_action_id++; 31728a6c8060SJouni Malinen } 31738a6c8060SJouni Malinen 31748a6c8060SJouni Malinen *cookie = id; 31753ca9d1fcSAarthi Thiruvengadam 3176d0ff7383SNaveen Gangadharan /* AP mode Power saving processing */ 3177d0ff7383SNaveen Gangadharan if (vif->nw_type == AP_NETWORK) { 3178d0ff7383SNaveen Gangadharan queued = ath6kl_mgmt_powersave_ap(vif, 3179d0ff7383SNaveen Gangadharan id, chan->center_freq, 3180d0ff7383SNaveen Gangadharan wait, buf, 3181d0ff7383SNaveen Gangadharan len, &more_data, no_cck); 3182d0ff7383SNaveen Gangadharan if (queued) 3183d0ff7383SNaveen Gangadharan return 0; 3184d0ff7383SNaveen Gangadharan } 3185d0ff7383SNaveen Gangadharan 31863ca9d1fcSAarthi Thiruvengadam return ath6kl_wmi_send_mgmt_cmd(ar->wmi, vif->fw_vif_idx, id, 31873ca9d1fcSAarthi Thiruvengadam chan->center_freq, wait, 31883ca9d1fcSAarthi Thiruvengadam buf, len, no_cck); 31893ca9d1fcSAarthi Thiruvengadam } 31908a6c8060SJouni Malinen 3191ae32c30aSJouni Malinen static void ath6kl_mgmt_frame_register(struct wiphy *wiphy, 319271bbc994SJohannes Berg struct wireless_dev *wdev, 3193ae32c30aSJouni Malinen u16 frame_type, bool reg) 3194ae32c30aSJouni Malinen { 319571bbc994SJohannes Berg struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); 3196ae32c30aSJouni Malinen 3197ae32c30aSJouni Malinen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: frame_type=0x%x reg=%d\n", 3198ae32c30aSJouni Malinen __func__, frame_type, reg); 3199ae32c30aSJouni Malinen if (frame_type == IEEE80211_STYPE_PROBE_REQ) { 3200ae32c30aSJouni Malinen /* 3201ae32c30aSJouni Malinen * Note: This notification callback is not allowed to sleep, so 3202ae32c30aSJouni Malinen * we cannot send WMI_PROBE_REQ_REPORT_CMD here. Instead, we 3203ae32c30aSJouni Malinen * hardcode target to report Probe Request frames all the time. 3204ae32c30aSJouni Malinen */ 3205cf5333d7SVasanthakumar Thiagarajan vif->probe_req_report = reg; 3206ae32c30aSJouni Malinen } 3207ae32c30aSJouni Malinen } 3208ae32c30aSJouni Malinen 320910509f90SKalle Valo static int ath6kl_cfg80211_sscan_start(struct wiphy *wiphy, 321010509f90SKalle Valo struct net_device *dev, 321110509f90SKalle Valo struct cfg80211_sched_scan_request *request) 321210509f90SKalle Valo { 321310509f90SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 321410509f90SKalle Valo struct ath6kl_vif *vif = netdev_priv(dev); 321510509f90SKalle Valo u16 interval; 321610509f90SKalle Valo int ret; 321710509f90SKalle Valo 321810509f90SKalle Valo if (ar->state != ATH6KL_STATE_ON) 321910509f90SKalle Valo return -EIO; 322010509f90SKalle Valo 322110509f90SKalle Valo if (vif->sme_state != SME_DISCONNECTED) 322210509f90SKalle Valo return -EBUSY; 322310509f90SKalle Valo 322477ed4e45SThomas Pedersen /* The FW currently can't support multi-vif WoW properly. */ 322577ed4e45SThomas Pedersen if (ar->num_vif > 1) 322677ed4e45SThomas Pedersen return -EIO; 322777ed4e45SThomas Pedersen 3228b4d13d3bSKalle Valo ath6kl_cfg80211_scan_complete_event(vif, true); 3229b4d13d3bSKalle Valo 32303b8ffc6aSJouni Malinen ret = ath6kl_set_probed_ssids(ar, vif, request->ssids, 3231dd45b759SNaveen Singh request->n_ssids, 3232dd45b759SNaveen Singh request->match_sets, 3233dd45b759SNaveen Singh request->n_match_sets); 32343b8ffc6aSJouni Malinen if (ret < 0) 32353b8ffc6aSJouni Malinen return ret; 323610509f90SKalle Valo 3237dd45b759SNaveen Singh if (!request->n_match_sets) { 3238dd45b759SNaveen Singh ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 3239dd45b759SNaveen Singh ALL_BSS_FILTER, 0); 3240dd45b759SNaveen Singh if (ret < 0) 3241dd45b759SNaveen Singh return ret; 3242dd45b759SNaveen Singh } else { 3243dd45b759SNaveen Singh ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 3244dd45b759SNaveen Singh MATCHED_SSID_FILTER, 0); 3245dd45b759SNaveen Singh if (ret < 0) 3246dd45b759SNaveen Singh return ret; 3247dd45b759SNaveen Singh } 3248dd45b759SNaveen Singh 324910509f90SKalle Valo /* fw uses seconds, also make sure that it's >0 */ 325010509f90SKalle Valo interval = max_t(u16, 1, request->interval / 1000); 325110509f90SKalle Valo 325210509f90SKalle Valo ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 325310509f90SKalle Valo interval, interval, 3254d472b5e4SSubramania Sharma Thandaveswaran vif->bg_scan_period, 0, 0, 0, 3, 0, 0, 0); 325510509f90SKalle Valo 325610509f90SKalle Valo ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx, 325710509f90SKalle Valo ATH6KL_WOW_MODE_ENABLE, 325810509f90SKalle Valo WOW_FILTER_SSID, 325910509f90SKalle Valo WOW_HOST_REQ_DELAY); 326010509f90SKalle Valo if (ret) { 326110509f90SKalle Valo ath6kl_warn("Failed to enable wow with ssid filter: %d\n", ret); 326210509f90SKalle Valo return ret; 326310509f90SKalle Valo } 326410509f90SKalle Valo 326510509f90SKalle Valo /* this also clears IE in fw if it's not set */ 326610509f90SKalle Valo ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 326710509f90SKalle Valo WMI_FRAME_PROBE_REQ, 326810509f90SKalle Valo request->ie, request->ie_len); 326910509f90SKalle Valo if (ret) { 3270f1ff32e8SJoe Perches ath6kl_warn("Failed to set probe request IE for scheduled scan: %d\n", 327110509f90SKalle Valo ret); 327210509f90SKalle Valo return ret; 327310509f90SKalle Valo } 327410509f90SKalle Valo 327510509f90SKalle Valo ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, 327610509f90SKalle Valo ATH6KL_HOST_MODE_ASLEEP); 327710509f90SKalle Valo if (ret) { 327810509f90SKalle Valo ath6kl_warn("Failed to enable host sleep mode for sched scan: %d\n", 327910509f90SKalle Valo ret); 328010509f90SKalle Valo return ret; 328110509f90SKalle Valo } 328210509f90SKalle Valo 328310509f90SKalle Valo ar->state = ATH6KL_STATE_SCHED_SCAN; 328410509f90SKalle Valo 328510509f90SKalle Valo return ret; 328610509f90SKalle Valo } 328710509f90SKalle Valo 328810509f90SKalle Valo static int ath6kl_cfg80211_sscan_stop(struct wiphy *wiphy, 328910509f90SKalle Valo struct net_device *dev) 329010509f90SKalle Valo { 329110509f90SKalle Valo struct ath6kl_vif *vif = netdev_priv(dev); 329210509f90SKalle Valo bool stopped; 329310509f90SKalle Valo 329410509f90SKalle Valo stopped = __ath6kl_cfg80211_sscan_stop(vif); 329510509f90SKalle Valo 329610509f90SKalle Valo if (!stopped) 329710509f90SKalle Valo return -EIO; 329810509f90SKalle Valo 329910509f90SKalle Valo return 0; 330010509f90SKalle Valo } 330110509f90SKalle Valo 330206e360acSBala Shanmugam static int ath6kl_cfg80211_set_bitrate(struct wiphy *wiphy, 330306e360acSBala Shanmugam struct net_device *dev, 330406e360acSBala Shanmugam const u8 *addr, 330506e360acSBala Shanmugam const struct cfg80211_bitrate_mask *mask) 330606e360acSBala Shanmugam { 330706e360acSBala Shanmugam struct ath6kl *ar = ath6kl_priv(dev); 330806e360acSBala Shanmugam struct ath6kl_vif *vif = netdev_priv(dev); 330906e360acSBala Shanmugam 331006e360acSBala Shanmugam return ath6kl_wmi_set_bitrate_mask(ar->wmi, vif->fw_vif_idx, 331106e360acSBala Shanmugam mask); 331206e360acSBala Shanmugam } 331306e360acSBala Shanmugam 3314f80574aeSJouni Malinen static const struct ieee80211_txrx_stypes 3315f80574aeSJouni Malinen ath6kl_mgmt_stypes[NUM_NL80211_IFTYPES] = { 3316f80574aeSJouni Malinen [NL80211_IFTYPE_STATION] = { 3317f80574aeSJouni Malinen .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3318f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 3319f80574aeSJouni Malinen .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3320f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 3321f80574aeSJouni Malinen }, 3322ba1f6fe3SJouni Malinen [NL80211_IFTYPE_AP] = { 3323ba1f6fe3SJouni Malinen .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3324ba1f6fe3SJouni Malinen BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 3325ba1f6fe3SJouni Malinen .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3326ba1f6fe3SJouni Malinen BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 3327ba1f6fe3SJouni Malinen }, 3328f80574aeSJouni Malinen [NL80211_IFTYPE_P2P_CLIENT] = { 3329f80574aeSJouni Malinen .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3330f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 3331f80574aeSJouni Malinen .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3332f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 3333f80574aeSJouni Malinen }, 3334f80574aeSJouni Malinen [NL80211_IFTYPE_P2P_GO] = { 3335f80574aeSJouni Malinen .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3336f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 3337f80574aeSJouni Malinen .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3338f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 3339f80574aeSJouni Malinen }, 3340f80574aeSJouni Malinen }; 3341f80574aeSJouni Malinen 3342bdcd8170SKalle Valo static struct cfg80211_ops ath6kl_cfg80211_ops = { 334355055976SVasanthakumar Thiagarajan .add_virtual_intf = ath6kl_cfg80211_add_iface, 334455055976SVasanthakumar Thiagarajan .del_virtual_intf = ath6kl_cfg80211_del_iface, 3345bdcd8170SKalle Valo .change_virtual_intf = ath6kl_cfg80211_change_iface, 3346bdcd8170SKalle Valo .scan = ath6kl_cfg80211_scan, 3347bdcd8170SKalle Valo .connect = ath6kl_cfg80211_connect, 3348bdcd8170SKalle Valo .disconnect = ath6kl_cfg80211_disconnect, 3349bdcd8170SKalle Valo .add_key = ath6kl_cfg80211_add_key, 3350bdcd8170SKalle Valo .get_key = ath6kl_cfg80211_get_key, 3351bdcd8170SKalle Valo .del_key = ath6kl_cfg80211_del_key, 3352bdcd8170SKalle Valo .set_default_key = ath6kl_cfg80211_set_default_key, 3353bdcd8170SKalle Valo .set_wiphy_params = ath6kl_cfg80211_set_wiphy_params, 3354bdcd8170SKalle Valo .set_tx_power = ath6kl_cfg80211_set_txpower, 3355bdcd8170SKalle Valo .get_tx_power = ath6kl_cfg80211_get_txpower, 3356bdcd8170SKalle Valo .set_power_mgmt = ath6kl_cfg80211_set_power_mgmt, 3357bdcd8170SKalle Valo .join_ibss = ath6kl_cfg80211_join_ibss, 3358bdcd8170SKalle Valo .leave_ibss = ath6kl_cfg80211_leave_ibss, 3359bdcd8170SKalle Valo .get_station = ath6kl_get_station, 3360bdcd8170SKalle Valo .set_pmksa = ath6kl_set_pmksa, 3361bdcd8170SKalle Valo .del_pmksa = ath6kl_del_pmksa, 3362bdcd8170SKalle Valo .flush_pmksa = ath6kl_flush_pmksa, 3363003353b0SKalle Valo CFG80211_TESTMODE_CMD(ath6kl_tm_cmd) 3364abcb344bSKalle Valo #ifdef CONFIG_PM 336552d81a68SKalle Valo .suspend = __ath6kl_cfg80211_suspend, 336652d81a68SKalle Valo .resume = __ath6kl_cfg80211_resume, 3367abcb344bSKalle Valo #endif 33688860020eSJohannes Berg .start_ap = ath6kl_start_ap, 33698860020eSJohannes Berg .change_beacon = ath6kl_change_beacon, 33708860020eSJohannes Berg .stop_ap = ath6kl_stop_ap, 337133e5308dSJouni Malinen .del_station = ath6kl_del_station, 337223875136SJouni Malinen .change_station = ath6kl_change_station, 337363fa1e0cSJouni Malinen .remain_on_channel = ath6kl_remain_on_channel, 337463fa1e0cSJouni Malinen .cancel_remain_on_channel = ath6kl_cancel_remain_on_channel, 33758a6c8060SJouni Malinen .mgmt_tx = ath6kl_mgmt_tx, 3376ae32c30aSJouni Malinen .mgmt_frame_register = ath6kl_mgmt_frame_register, 337710509f90SKalle Valo .sched_scan_start = ath6kl_cfg80211_sscan_start, 337810509f90SKalle Valo .sched_scan_stop = ath6kl_cfg80211_sscan_stop, 337906e360acSBala Shanmugam .set_bitrate_mask = ath6kl_cfg80211_set_bitrate, 3380bdcd8170SKalle Valo }; 3381bdcd8170SKalle Valo 33827125f01dSKalle Valo void ath6kl_cfg80211_stop(struct ath6kl_vif *vif) 3383ec4b7f60SKalle Valo { 338410509f90SKalle Valo ath6kl_cfg80211_sscan_disable(vif); 338510509f90SKalle Valo 3386ec4b7f60SKalle Valo switch (vif->sme_state) { 3387c97a31b0SKalle Valo case SME_DISCONNECTED: 3388c97a31b0SKalle Valo break; 3389ec4b7f60SKalle Valo case SME_CONNECTING: 3390ec4b7f60SKalle Valo cfg80211_connect_result(vif->ndev, vif->bssid, NULL, 0, 3391ec4b7f60SKalle Valo NULL, 0, 3392ec4b7f60SKalle Valo WLAN_STATUS_UNSPECIFIED_FAILURE, 3393ec4b7f60SKalle Valo GFP_KERNEL); 3394ec4b7f60SKalle Valo break; 3395ec4b7f60SKalle Valo case SME_CONNECTED: 3396ec4b7f60SKalle Valo cfg80211_disconnected(vif->ndev, 0, NULL, 0, GFP_KERNEL); 3397ec4b7f60SKalle Valo break; 3398ec4b7f60SKalle Valo } 3399ec4b7f60SKalle Valo 3400ec4b7f60SKalle Valo if (test_bit(CONNECTED, &vif->flags) || 3401ec4b7f60SKalle Valo test_bit(CONNECT_PEND, &vif->flags)) 34027125f01dSKalle Valo ath6kl_wmi_disconnect_cmd(vif->ar->wmi, vif->fw_vif_idx); 3403ec4b7f60SKalle Valo 3404ec4b7f60SKalle Valo vif->sme_state = SME_DISCONNECTED; 34051f405255SKalle Valo clear_bit(CONNECTED, &vif->flags); 34061f405255SKalle Valo clear_bit(CONNECT_PEND, &vif->flags); 3407ec4b7f60SKalle Valo 3408ec4b7f60SKalle Valo /* disable scanning */ 34097125f01dSKalle Valo if (ath6kl_wmi_scanparams_cmd(vif->ar->wmi, vif->fw_vif_idx, 0xFFFF, 34107125f01dSKalle Valo 0, 0, 0, 0, 0, 0, 0, 0, 0) != 0) 34117125f01dSKalle Valo ath6kl_warn("failed to disable scan during stop\n"); 3412ec4b7f60SKalle Valo 3413ec4b7f60SKalle Valo ath6kl_cfg80211_scan_complete_event(vif, true); 3414ec4b7f60SKalle Valo } 3415ec4b7f60SKalle Valo 34167125f01dSKalle Valo void ath6kl_cfg80211_stop_all(struct ath6kl *ar) 34177125f01dSKalle Valo { 34187125f01dSKalle Valo struct ath6kl_vif *vif; 34197125f01dSKalle Valo 34207125f01dSKalle Valo vif = ath6kl_vif_first(ar); 34217125f01dSKalle Valo if (!vif) { 34227125f01dSKalle Valo /* save the current power mode before enabling power save */ 34237125f01dSKalle Valo ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode; 34247125f01dSKalle Valo 34257125f01dSKalle Valo if (ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER) != 0) 3426cdeb8602SKalle Valo ath6kl_warn("ath6kl_deep_sleep_enable: wmi_powermode_cmd failed\n"); 34277125f01dSKalle Valo return; 34287125f01dSKalle Valo } 34297125f01dSKalle Valo 34307125f01dSKalle Valo /* 34317125f01dSKalle Valo * FIXME: we should take ar->list_lock to protect changes in the 34327125f01dSKalle Valo * vif_list, but that's not trivial to do as ath6kl_cfg80211_stop() 34337125f01dSKalle Valo * sleeps. 34347125f01dSKalle Valo */ 34357125f01dSKalle Valo list_for_each_entry(vif, &ar->vif_list, list) 34367125f01dSKalle Valo ath6kl_cfg80211_stop(vif); 34377125f01dSKalle Valo } 34387125f01dSKalle Valo 3439c25889e8SKalle Valo static int ath6kl_cfg80211_vif_init(struct ath6kl_vif *vif) 34408dafb70eSVasanthakumar Thiagarajan { 34417baef812SVasanthakumar Thiagarajan vif->aggr_cntxt = aggr_init(vif); 34422132c69cSVasanthakumar Thiagarajan if (!vif->aggr_cntxt) { 34438dafb70eSVasanthakumar Thiagarajan ath6kl_err("failed to initialize aggr\n"); 34448dafb70eSVasanthakumar Thiagarajan return -ENOMEM; 34458dafb70eSVasanthakumar Thiagarajan } 34468dafb70eSVasanthakumar Thiagarajan 3447de3ad713SVasanthakumar Thiagarajan setup_timer(&vif->disconnect_timer, disconnect_timer_handler, 3448108438bcSVasanthakumar Thiagarajan (unsigned long) vif->ndev); 344910509f90SKalle Valo setup_timer(&vif->sched_scan_timer, ath6kl_wmi_sscan_timer, 345010509f90SKalle Valo (unsigned long) vif); 345110509f90SKalle Valo 3452de3ad713SVasanthakumar Thiagarajan set_bit(WMM_ENABLED, &vif->flags); 3453478ac027SVasanthakumar Thiagarajan spin_lock_init(&vif->if_lock); 34548dafb70eSVasanthakumar Thiagarajan 345580abaf9bSVasanthakumar Thiagarajan INIT_LIST_HEAD(&vif->mc_filter); 345680abaf9bSVasanthakumar Thiagarajan 34578dafb70eSVasanthakumar Thiagarajan return 0; 34588dafb70eSVasanthakumar Thiagarajan } 34598dafb70eSVasanthakumar Thiagarajan 3460c25889e8SKalle Valo void ath6kl_cfg80211_vif_cleanup(struct ath6kl_vif *vif) 34618dafb70eSVasanthakumar Thiagarajan { 346255055976SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 346380abaf9bSVasanthakumar Thiagarajan struct ath6kl_mc_filter *mc_filter, *tmp; 346455055976SVasanthakumar Thiagarajan 34652132c69cSVasanthakumar Thiagarajan aggr_module_destroy(vif->aggr_cntxt); 3466108438bcSVasanthakumar Thiagarajan 346755055976SVasanthakumar Thiagarajan ar->avail_idx_map |= BIT(vif->fw_vif_idx); 346855055976SVasanthakumar Thiagarajan 346955055976SVasanthakumar Thiagarajan if (vif->nw_type == ADHOC_NETWORK) 347055055976SVasanthakumar Thiagarajan ar->ibss_if_active = false; 347155055976SVasanthakumar Thiagarajan 347280abaf9bSVasanthakumar Thiagarajan list_for_each_entry_safe(mc_filter, tmp, &vif->mc_filter, list) { 347380abaf9bSVasanthakumar Thiagarajan list_del(&mc_filter->list); 347480abaf9bSVasanthakumar Thiagarajan kfree(mc_filter); 347580abaf9bSVasanthakumar Thiagarajan } 347680abaf9bSVasanthakumar Thiagarajan 347727929723SVasanthakumar Thiagarajan unregister_netdevice(vif->ndev); 347855055976SVasanthakumar Thiagarajan 347955055976SVasanthakumar Thiagarajan ar->num_vif--; 34808dafb70eSVasanthakumar Thiagarajan } 34818dafb70eSVasanthakumar Thiagarajan 3482552bff0cSJohannes Berg struct wireless_dev *ath6kl_interface_add(struct ath6kl *ar, const char *name, 348384efbb84SJohannes Berg enum nl80211_iftype type, 348484efbb84SJohannes Berg u8 fw_vif_idx, u8 nw_type) 34858dafb70eSVasanthakumar Thiagarajan { 34868dafb70eSVasanthakumar Thiagarajan struct net_device *ndev; 3487108438bcSVasanthakumar Thiagarajan struct ath6kl_vif *vif; 34888dafb70eSVasanthakumar Thiagarajan 348955055976SVasanthakumar Thiagarajan ndev = alloc_netdev(sizeof(*vif), name, ether_setup); 34908dafb70eSVasanthakumar Thiagarajan if (!ndev) 34918dafb70eSVasanthakumar Thiagarajan return NULL; 34928dafb70eSVasanthakumar Thiagarajan 3493108438bcSVasanthakumar Thiagarajan vif = netdev_priv(ndev); 3494108438bcSVasanthakumar Thiagarajan ndev->ieee80211_ptr = &vif->wdev; 3495108438bcSVasanthakumar Thiagarajan vif->wdev.wiphy = ar->wiphy; 3496108438bcSVasanthakumar Thiagarajan vif->ar = ar; 3497108438bcSVasanthakumar Thiagarajan vif->ndev = ndev; 3498108438bcSVasanthakumar Thiagarajan SET_NETDEV_DEV(ndev, wiphy_dev(vif->wdev.wiphy)); 3499108438bcSVasanthakumar Thiagarajan vif->wdev.netdev = ndev; 3500108438bcSVasanthakumar Thiagarajan vif->wdev.iftype = type; 3501334234b5SVasanthakumar Thiagarajan vif->fw_vif_idx = fw_vif_idx; 3502d0d670abSKalle Valo vif->nw_type = nw_type; 3503d0d670abSKalle Valo vif->next_mode = nw_type; 35048f46fccdSRaja Mani vif->listen_intvl_t = ATH6KL_DEFAULT_LISTEN_INTVAL; 3505ce0dc0cfSRaja Mani vif->bmiss_time_t = ATH6KL_DEFAULT_BMISS_TIME; 3506eb38987eSRaja Mani vif->bg_scan_period = 0; 350767b3f129SKiran Reddy vif->htcap[IEEE80211_BAND_2GHZ].ht_enable = true; 350867b3f129SKiran Reddy vif->htcap[IEEE80211_BAND_5GHZ].ht_enable = true; 35098dafb70eSVasanthakumar Thiagarajan 351055055976SVasanthakumar Thiagarajan memcpy(ndev->dev_addr, ar->mac_addr, ETH_ALEN); 351155055976SVasanthakumar Thiagarajan if (fw_vif_idx != 0) 351255055976SVasanthakumar Thiagarajan ndev->dev_addr[0] = (ndev->dev_addr[0] ^ (1 << fw_vif_idx)) | 351355055976SVasanthakumar Thiagarajan 0x2; 351455055976SVasanthakumar Thiagarajan 35158dafb70eSVasanthakumar Thiagarajan init_netdev(ndev); 35168dafb70eSVasanthakumar Thiagarajan 3517e29f25f5SVasanthakumar Thiagarajan ath6kl_init_control_info(vif); 35188dafb70eSVasanthakumar Thiagarajan 3519c25889e8SKalle Valo if (ath6kl_cfg80211_vif_init(vif)) 35208dafb70eSVasanthakumar Thiagarajan goto err; 35218dafb70eSVasanthakumar Thiagarajan 352227929723SVasanthakumar Thiagarajan if (register_netdevice(ndev)) 35238dafb70eSVasanthakumar Thiagarajan goto err; 35248dafb70eSVasanthakumar Thiagarajan 352555055976SVasanthakumar Thiagarajan ar->avail_idx_map &= ~BIT(fw_vif_idx); 352614ee6f6bSVasanthakumar Thiagarajan vif->sme_state = SME_DISCONNECTED; 352759c98449SVasanthakumar Thiagarajan set_bit(WLAN_ENABLED, &vif->flags); 35288dafb70eSVasanthakumar Thiagarajan ar->wlan_pwr_state = WLAN_POWER_STATE_ON; 352959c98449SVasanthakumar Thiagarajan set_bit(NETDEV_REGISTERED, &vif->flags); 35308dafb70eSVasanthakumar Thiagarajan 353155055976SVasanthakumar Thiagarajan if (type == NL80211_IFTYPE_ADHOC) 353255055976SVasanthakumar Thiagarajan ar->ibss_if_active = true; 353355055976SVasanthakumar Thiagarajan 353411f6e40dSVasanthakumar Thiagarajan spin_lock_bh(&ar->list_lock); 3535990bd915SVasanthakumar Thiagarajan list_add_tail(&vif->list, &ar->vif_list); 353611f6e40dSVasanthakumar Thiagarajan spin_unlock_bh(&ar->list_lock); 3537990bd915SVasanthakumar Thiagarajan 353884efbb84SJohannes Berg return &vif->wdev; 35398dafb70eSVasanthakumar Thiagarajan 35408dafb70eSVasanthakumar Thiagarajan err: 354127929723SVasanthakumar Thiagarajan aggr_module_destroy(vif->aggr_cntxt); 354227929723SVasanthakumar Thiagarajan free_netdev(ndev); 3543bdcd8170SKalle Valo return NULL; 3544bdcd8170SKalle Valo } 3545bdcd8170SKalle Valo 354646d33a21SKalle Valo int ath6kl_cfg80211_init(struct ath6kl *ar) 354746d33a21SKalle Valo { 354846d33a21SKalle Valo struct wiphy *wiphy = ar->wiphy; 3549d92917e4SThomas Pedersen bool band_2gig = false, band_5gig = false, ht = false; 355046d33a21SKalle Valo int ret; 355146d33a21SKalle Valo 355246d33a21SKalle Valo wiphy->mgmt_stypes = ath6kl_mgmt_stypes; 355346d33a21SKalle Valo 355446d33a21SKalle Valo wiphy->max_remain_on_channel_duration = 5000; 355546d33a21SKalle Valo 355646d33a21SKalle Valo /* set device pointer for wiphy */ 355746d33a21SKalle Valo set_wiphy_dev(wiphy, ar->dev); 355846d33a21SKalle Valo 355946d33a21SKalle Valo wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 356046d33a21SKalle Valo BIT(NL80211_IFTYPE_ADHOC) | 356146d33a21SKalle Valo BIT(NL80211_IFTYPE_AP); 356246d33a21SKalle Valo if (ar->p2p) { 356346d33a21SKalle Valo wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_GO) | 356446d33a21SKalle Valo BIT(NL80211_IFTYPE_P2P_CLIENT); 356546d33a21SKalle Valo } 356646d33a21SKalle Valo 356746d33a21SKalle Valo /* max num of ssids that can be probed during scanning */ 35688ab5415dSJouni Malinen wiphy->max_scan_ssids = MAX_PROBED_SSIDS; 3569dd45b759SNaveen Singh 3570dd45b759SNaveen Singh /* max num of ssids that can be matched after scan */ 3571dd45b759SNaveen Singh if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_MATCH_LIST, 3572dd45b759SNaveen Singh ar->fw_capabilities)) 3573dd45b759SNaveen Singh wiphy->max_match_sets = MAX_PROBED_SSIDS; 3574dd45b759SNaveen Singh 357546d33a21SKalle Valo wiphy->max_scan_ie_len = 1000; /* FIX: what is correct limit? */ 3576d92917e4SThomas Pedersen switch (ar->hw.cap) { 3577d92917e4SThomas Pedersen case WMI_11AN_CAP: 3578d92917e4SThomas Pedersen ht = true; 3579d92917e4SThomas Pedersen case WMI_11A_CAP: 3580d92917e4SThomas Pedersen band_5gig = true; 3581d92917e4SThomas Pedersen break; 3582d92917e4SThomas Pedersen case WMI_11GN_CAP: 3583d92917e4SThomas Pedersen ht = true; 3584d92917e4SThomas Pedersen case WMI_11G_CAP: 3585d92917e4SThomas Pedersen band_2gig = true; 3586d92917e4SThomas Pedersen break; 3587d92917e4SThomas Pedersen case WMI_11AGN_CAP: 3588d92917e4SThomas Pedersen ht = true; 3589d92917e4SThomas Pedersen case WMI_11AG_CAP: 3590d92917e4SThomas Pedersen band_2gig = true; 3591d92917e4SThomas Pedersen band_5gig = true; 3592d92917e4SThomas Pedersen break; 3593d92917e4SThomas Pedersen default: 3594d92917e4SThomas Pedersen ath6kl_err("invalid phy capability!\n"); 3595d92917e4SThomas Pedersen return -EINVAL; 3596d92917e4SThomas Pedersen } 3597d92917e4SThomas Pedersen 35987fd1ce7eSVasanthakumar Thiagarajan /* 35997fd1ce7eSVasanthakumar Thiagarajan * Even if the fw has HT support, advertise HT cap only when 36007fd1ce7eSVasanthakumar Thiagarajan * the firmware has support to override RSN capability, otherwise 36017fd1ce7eSVasanthakumar Thiagarajan * 4-way handshake would fail. 36027fd1ce7eSVasanthakumar Thiagarajan */ 36037fd1ce7eSVasanthakumar Thiagarajan if (!(ht && 36047fd1ce7eSVasanthakumar Thiagarajan test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE, 36057fd1ce7eSVasanthakumar Thiagarajan ar->fw_capabilities))) { 3606d92917e4SThomas Pedersen ath6kl_band_2ghz.ht_cap.cap = 0; 3607d92917e4SThomas Pedersen ath6kl_band_2ghz.ht_cap.ht_supported = false; 3608d92917e4SThomas Pedersen ath6kl_band_5ghz.ht_cap.cap = 0; 3609d92917e4SThomas Pedersen ath6kl_band_5ghz.ht_cap.ht_supported = false; 3610d92917e4SThomas Pedersen } 361106e360acSBala Shanmugam 361206e360acSBala Shanmugam if (ar->hw.flags & ATH6KL_HW_FLAG_64BIT_RATES) { 361306e360acSBala Shanmugam ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff; 361406e360acSBala Shanmugam ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff; 361506e360acSBala Shanmugam ath6kl_band_2ghz.ht_cap.mcs.rx_mask[1] = 0xff; 361606e360acSBala Shanmugam ath6kl_band_5ghz.ht_cap.mcs.rx_mask[1] = 0xff; 361706e360acSBala Shanmugam } else { 361806e360acSBala Shanmugam ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff; 361906e360acSBala Shanmugam ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff; 362006e360acSBala Shanmugam } 362106e360acSBala Shanmugam 3622d92917e4SThomas Pedersen if (band_2gig) 362346d33a21SKalle Valo wiphy->bands[IEEE80211_BAND_2GHZ] = &ath6kl_band_2ghz; 3624d92917e4SThomas Pedersen if (band_5gig) 362546d33a21SKalle Valo wiphy->bands[IEEE80211_BAND_5GHZ] = &ath6kl_band_5ghz; 3626d92917e4SThomas Pedersen 362746d33a21SKalle Valo wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; 362846d33a21SKalle Valo 362946d33a21SKalle Valo wiphy->cipher_suites = cipher_suites; 363046d33a21SKalle Valo wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); 363146d33a21SKalle Valo 3632dfb89c56SJohannes Berg #ifdef CONFIG_PM 363346d33a21SKalle Valo wiphy->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT | 363446d33a21SKalle Valo WIPHY_WOWLAN_DISCONNECT | 363546d33a21SKalle Valo WIPHY_WOWLAN_GTK_REKEY_FAILURE | 363646d33a21SKalle Valo WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | 363746d33a21SKalle Valo WIPHY_WOWLAN_EAP_IDENTITY_REQ | 363846d33a21SKalle Valo WIPHY_WOWLAN_4WAY_HANDSHAKE; 363946d33a21SKalle Valo wiphy->wowlan.n_patterns = WOW_MAX_FILTERS_PER_LIST; 364046d33a21SKalle Valo wiphy->wowlan.pattern_min_len = 1; 364146d33a21SKalle Valo wiphy->wowlan.pattern_max_len = WOW_PATTERN_SIZE; 3642dfb89c56SJohannes Berg #endif 364346d33a21SKalle Valo 36448ab5415dSJouni Malinen wiphy->max_sched_scan_ssids = MAX_PROBED_SSIDS; 364546d33a21SKalle Valo 3646f2afdac7SVasanthakumar Thiagarajan ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM | 3647f2afdac7SVasanthakumar Thiagarajan WIPHY_FLAG_HAVE_AP_SME | 3648f2afdac7SVasanthakumar Thiagarajan WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | 3649f2afdac7SVasanthakumar Thiagarajan WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD; 3650f2afdac7SVasanthakumar Thiagarajan 3651f2afdac7SVasanthakumar Thiagarajan if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN, ar->fw_capabilities)) 3652f2afdac7SVasanthakumar Thiagarajan ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN; 3653f2afdac7SVasanthakumar Thiagarajan 365403bdeb0dSVasanthakumar Thiagarajan if (test_bit(ATH6KL_FW_CAPABILITY_INACTIVITY_TIMEOUT, 365503bdeb0dSVasanthakumar Thiagarajan ar->fw_capabilities)) 3656b292219fSJohannes Berg ar->wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER; 365703bdeb0dSVasanthakumar Thiagarajan 3658f2afdac7SVasanthakumar Thiagarajan ar->wiphy->probe_resp_offload = 3659f2afdac7SVasanthakumar Thiagarajan NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | 3660f2afdac7SVasanthakumar Thiagarajan NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | 3661a432e7ccSJouni Malinen NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; 3662f2afdac7SVasanthakumar Thiagarajan 366346d33a21SKalle Valo ret = wiphy_register(wiphy); 366446d33a21SKalle Valo if (ret < 0) { 366546d33a21SKalle Valo ath6kl_err("couldn't register wiphy device\n"); 366646d33a21SKalle Valo return ret; 366746d33a21SKalle Valo } 366846d33a21SKalle Valo 3669e5348a1eSVasanthakumar Thiagarajan ar->wiphy_registered = true; 3670e5348a1eSVasanthakumar Thiagarajan 367146d33a21SKalle Valo return 0; 367246d33a21SKalle Valo } 367346d33a21SKalle Valo 367446d33a21SKalle Valo void ath6kl_cfg80211_cleanup(struct ath6kl *ar) 3675bdcd8170SKalle Valo { 3676be98e3a4SVasanthakumar Thiagarajan wiphy_unregister(ar->wiphy); 3677e5348a1eSVasanthakumar Thiagarajan 3678e5348a1eSVasanthakumar Thiagarajan ar->wiphy_registered = false; 367945eaa78fSKalle Valo } 368046d33a21SKalle Valo 368145eaa78fSKalle Valo struct ath6kl *ath6kl_cfg80211_create(void) 368245eaa78fSKalle Valo { 368345eaa78fSKalle Valo struct ath6kl *ar; 368445eaa78fSKalle Valo struct wiphy *wiphy; 368545eaa78fSKalle Valo 368645eaa78fSKalle Valo /* create a new wiphy for use with cfg80211 */ 368745eaa78fSKalle Valo wiphy = wiphy_new(&ath6kl_cfg80211_ops, sizeof(struct ath6kl)); 368845eaa78fSKalle Valo 368945eaa78fSKalle Valo if (!wiphy) { 369045eaa78fSKalle Valo ath6kl_err("couldn't allocate wiphy device\n"); 369145eaa78fSKalle Valo return NULL; 369245eaa78fSKalle Valo } 369345eaa78fSKalle Valo 369445eaa78fSKalle Valo ar = wiphy_priv(wiphy); 369545eaa78fSKalle Valo ar->wiphy = wiphy; 369645eaa78fSKalle Valo 369745eaa78fSKalle Valo return ar; 369845eaa78fSKalle Valo } 369945eaa78fSKalle Valo 370045eaa78fSKalle Valo /* Note: ar variable must not be accessed after calling this! */ 370145eaa78fSKalle Valo void ath6kl_cfg80211_destroy(struct ath6kl *ar) 370245eaa78fSKalle Valo { 37031d2a4456SVasanthakumar Thiagarajan int i; 37041d2a4456SVasanthakumar Thiagarajan 37051d2a4456SVasanthakumar Thiagarajan for (i = 0; i < AP_MAX_NUM_STA; i++) 37061d2a4456SVasanthakumar Thiagarajan kfree(ar->sta_list[i].aggr_conn); 37071d2a4456SVasanthakumar Thiagarajan 3708be98e3a4SVasanthakumar Thiagarajan wiphy_free(ar->wiphy); 3709bdcd8170SKalle Valo } 371045eaa78fSKalle Valo 3711