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 { 1096c4f7863eSThomas Pedersen enum nl80211_channel_type type; 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 1102c4f7863eSThomas Pedersen type = (mode == WMI_11G_HT20) ? NL80211_CHAN_HT20 : NL80211_CHAN_NO_HT; 1103c4f7863eSThomas Pedersen 1104c4f7863eSThomas Pedersen cfg80211_ch_switch_notify(vif->ndev, freq, type); 1105c4f7863eSThomas Pedersen } 1106c4f7863eSThomas Pedersen 1107bdcd8170SKalle Valo static int ath6kl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev, 1108bdcd8170SKalle Valo u8 key_index, bool pairwise, 1109bdcd8170SKalle Valo const u8 *mac_addr, 1110bdcd8170SKalle Valo struct key_params *params) 1111bdcd8170SKalle Valo { 1112d6d5c06cSKalle Valo struct ath6kl *ar = ath6kl_priv(ndev); 111359c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 1114bdcd8170SKalle Valo struct ath6kl_key *key = NULL; 11154a8ce2fdSSujith Manoharan int seq_len; 1116bdcd8170SKalle Valo u8 key_usage; 1117bdcd8170SKalle Valo u8 key_type; 1118bdcd8170SKalle Valo 1119990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1120bdcd8170SKalle Valo return -EIO; 1121bdcd8170SKalle Valo 1122837cb97eSJouni Malinen if (params->cipher == CCKM_KRK_CIPHER_SUITE) { 1123837cb97eSJouni Malinen if (params->key_len != WMI_KRK_LEN) 1124837cb97eSJouni Malinen return -EINVAL; 1125240d2799SVasanthakumar Thiagarajan return ath6kl_wmi_add_krk_cmd(ar->wmi, vif->fw_vif_idx, 1126240d2799SVasanthakumar Thiagarajan params->key); 1127837cb97eSJouni Malinen } 1128837cb97eSJouni Malinen 1129792ecb33SVivek Natarajan if (key_index > WMI_MAX_KEY_INDEX) { 1130bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1131bdcd8170SKalle Valo "%s: key index %d out of bounds\n", __func__, 1132bdcd8170SKalle Valo key_index); 1133bdcd8170SKalle Valo return -ENOENT; 1134bdcd8170SKalle Valo } 1135bdcd8170SKalle Valo 11366f2a73f9SVasanthakumar Thiagarajan key = &vif->keys[key_index]; 1137bdcd8170SKalle Valo memset(key, 0, sizeof(struct ath6kl_key)); 1138bdcd8170SKalle Valo 1139bdcd8170SKalle Valo if (pairwise) 1140bdcd8170SKalle Valo key_usage = PAIRWISE_USAGE; 1141bdcd8170SKalle Valo else 1142bdcd8170SKalle Valo key_usage = GROUP_USAGE; 1143bdcd8170SKalle Valo 11444a8ce2fdSSujith Manoharan seq_len = params->seq_len; 11455e07021eSDai Shuibing if (params->cipher == WLAN_CIPHER_SUITE_SMS4 && 11465e07021eSDai Shuibing seq_len > ATH6KL_KEY_SEQ_LEN) { 11475e07021eSDai Shuibing /* Only first half of the WPI PN is configured */ 11485e07021eSDai Shuibing seq_len = ATH6KL_KEY_SEQ_LEN; 11495e07021eSDai Shuibing } 1150bdcd8170SKalle Valo if (params->key_len > WLAN_MAX_KEY_LEN || 11515e07021eSDai Shuibing seq_len > sizeof(key->seq)) 1152bdcd8170SKalle Valo return -EINVAL; 1153bdcd8170SKalle Valo 1154bdcd8170SKalle Valo key->key_len = params->key_len; 1155bdcd8170SKalle Valo memcpy(key->key, params->key, key->key_len); 11565e07021eSDai Shuibing key->seq_len = seq_len; 1157bdcd8170SKalle Valo memcpy(key->seq, params->seq, key->seq_len); 1158bdcd8170SKalle Valo key->cipher = params->cipher; 1159bdcd8170SKalle Valo 1160bdcd8170SKalle Valo switch (key->cipher) { 1161bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_WEP40: 1162bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_WEP104: 1163bdcd8170SKalle Valo key_type = WEP_CRYPT; 1164bdcd8170SKalle Valo break; 1165bdcd8170SKalle Valo 1166bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_TKIP: 1167bdcd8170SKalle Valo key_type = TKIP_CRYPT; 1168bdcd8170SKalle Valo break; 1169bdcd8170SKalle Valo 1170bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_CCMP: 1171bdcd8170SKalle Valo key_type = AES_CRYPT; 1172bdcd8170SKalle Valo break; 11735e07021eSDai Shuibing case WLAN_CIPHER_SUITE_SMS4: 11745e07021eSDai Shuibing key_type = WAPI_CRYPT; 11755e07021eSDai Shuibing break; 1176bdcd8170SKalle Valo 1177bdcd8170SKalle Valo default: 1178bdcd8170SKalle Valo return -ENOTSUPP; 1179bdcd8170SKalle Valo } 1180bdcd8170SKalle Valo 1181ddc3d77cSKalle Valo if (((vif->auth_mode == WPA_PSK_AUTH) || 1182ddc3d77cSKalle Valo (vif->auth_mode == WPA2_PSK_AUTH)) && 1183ddc3d77cSKalle Valo (key_usage & GROUP_USAGE)) 1184de3ad713SVasanthakumar Thiagarajan del_timer(&vif->disconnect_timer); 1185bdcd8170SKalle Valo 1186bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1187bdcd8170SKalle Valo "%s: index %d, key_len %d, key_type 0x%x, key_usage 0x%x, seq_len %d\n", 1188bdcd8170SKalle Valo __func__, key_index, key->key_len, key_type, 1189bdcd8170SKalle Valo key_usage, key->seq_len); 1190bdcd8170SKalle Valo 1191f5938f24SVasanthakumar Thiagarajan if (vif->nw_type == AP_NETWORK && !pairwise && 11924703290aSJouni Malinen (key_type == TKIP_CRYPT || key_type == AES_CRYPT || 1193cc4d623dSVasanthakumar Thiagarajan key_type == WAPI_CRYPT)) { 11949a5b1318SJouni Malinen ar->ap_mode_bkey.valid = true; 11959a5b1318SJouni Malinen ar->ap_mode_bkey.key_index = key_index; 11969a5b1318SJouni Malinen ar->ap_mode_bkey.key_type = key_type; 11979a5b1318SJouni Malinen ar->ap_mode_bkey.key_len = key->key_len; 11989a5b1318SJouni Malinen memcpy(ar->ap_mode_bkey.key, key->key, key->key_len); 119959c98449SVasanthakumar Thiagarajan if (!test_bit(CONNECTED, &vif->flags)) { 1200cdeb8602SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1201cdeb8602SKalle Valo "Delay initial group key configuration until AP mode has been started\n"); 12029a5b1318SJouni Malinen /* 12039a5b1318SJouni Malinen * The key will be set in ath6kl_connect_ap_mode() once 12049a5b1318SJouni Malinen * the connected event is received from the target. 12059a5b1318SJouni Malinen */ 12069a5b1318SJouni Malinen return 0; 12079a5b1318SJouni Malinen } 12089a5b1318SJouni Malinen } 12099a5b1318SJouni Malinen 1210f5938f24SVasanthakumar Thiagarajan if (vif->next_mode == AP_NETWORK && key_type == WEP_CRYPT && 121159c98449SVasanthakumar Thiagarajan !test_bit(CONNECTED, &vif->flags)) { 1212151411e8SJouni Malinen /* 1213151411e8SJouni Malinen * Store the key locally so that it can be re-configured after 1214151411e8SJouni Malinen * the AP mode has properly started 1215151411e8SJouni Malinen * (ath6kl_install_statioc_wep_keys). 1216151411e8SJouni Malinen */ 1217cdeb8602SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1218cdeb8602SKalle Valo "Delay WEP key configuration until AP mode has been started\n"); 12196f2a73f9SVasanthakumar Thiagarajan vif->wep_key_list[key_index].key_len = key->key_len; 12206f2a73f9SVasanthakumar Thiagarajan memcpy(vif->wep_key_list[key_index].key, key->key, 12216f2a73f9SVasanthakumar Thiagarajan key->key_len); 1222151411e8SJouni Malinen return 0; 1223151411e8SJouni Malinen } 1224151411e8SJouni Malinen 12257cefa44fSVasanthakumar Thiagarajan return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, key_index, 1226bdcd8170SKalle Valo key_type, key_usage, key->key_len, 1227f4bb9a6fSJouni Malinen key->seq, key->seq_len, key->key, 1228f4bb9a6fSJouni Malinen KEY_OP_INIT_VAL, 1229bdcd8170SKalle Valo (u8 *) mac_addr, SYNC_BOTH_WMIFLAG); 1230bdcd8170SKalle Valo } 1231bdcd8170SKalle Valo 1232bdcd8170SKalle Valo static int ath6kl_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev, 1233bdcd8170SKalle Valo u8 key_index, bool pairwise, 1234bdcd8170SKalle Valo const u8 *mac_addr) 1235bdcd8170SKalle Valo { 1236d6d5c06cSKalle Valo struct ath6kl *ar = ath6kl_priv(ndev); 12376f2a73f9SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 1238bdcd8170SKalle Valo 1239bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index); 1240bdcd8170SKalle Valo 1241990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1242bdcd8170SKalle Valo return -EIO; 1243bdcd8170SKalle Valo 1244792ecb33SVivek Natarajan if (key_index > WMI_MAX_KEY_INDEX) { 1245bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1246bdcd8170SKalle Valo "%s: key index %d out of bounds\n", __func__, 1247bdcd8170SKalle Valo key_index); 1248bdcd8170SKalle Valo return -ENOENT; 1249bdcd8170SKalle Valo } 1250bdcd8170SKalle Valo 12516f2a73f9SVasanthakumar Thiagarajan if (!vif->keys[key_index].key_len) { 1252bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1253bdcd8170SKalle Valo "%s: index %d is empty\n", __func__, key_index); 1254bdcd8170SKalle Valo return 0; 1255bdcd8170SKalle Valo } 1256bdcd8170SKalle Valo 12576f2a73f9SVasanthakumar Thiagarajan vif->keys[key_index].key_len = 0; 1258bdcd8170SKalle Valo 1259334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_deletekey_cmd(ar->wmi, vif->fw_vif_idx, key_index); 1260bdcd8170SKalle Valo } 1261bdcd8170SKalle Valo 1262bdcd8170SKalle Valo static int ath6kl_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev, 1263bdcd8170SKalle Valo u8 key_index, bool pairwise, 1264bdcd8170SKalle Valo const u8 *mac_addr, void *cookie, 1265bdcd8170SKalle Valo void (*callback) (void *cookie, 1266bdcd8170SKalle Valo struct key_params *)) 1267bdcd8170SKalle Valo { 12686f2a73f9SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 1269bdcd8170SKalle Valo struct ath6kl_key *key = NULL; 1270bdcd8170SKalle Valo struct key_params params; 1271bdcd8170SKalle Valo 1272bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index); 1273bdcd8170SKalle Valo 1274990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1275bdcd8170SKalle Valo return -EIO; 1276bdcd8170SKalle Valo 1277792ecb33SVivek Natarajan if (key_index > WMI_MAX_KEY_INDEX) { 1278bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1279bdcd8170SKalle Valo "%s: key index %d out of bounds\n", __func__, 1280bdcd8170SKalle Valo key_index); 1281bdcd8170SKalle Valo return -ENOENT; 1282bdcd8170SKalle Valo } 1283bdcd8170SKalle Valo 12846f2a73f9SVasanthakumar Thiagarajan key = &vif->keys[key_index]; 1285bdcd8170SKalle Valo memset(¶ms, 0, sizeof(params)); 1286bdcd8170SKalle Valo params.cipher = key->cipher; 1287bdcd8170SKalle Valo params.key_len = key->key_len; 1288bdcd8170SKalle Valo params.seq_len = key->seq_len; 1289bdcd8170SKalle Valo params.seq = key->seq; 1290bdcd8170SKalle Valo params.key = key->key; 1291bdcd8170SKalle Valo 1292bdcd8170SKalle Valo callback(cookie, ¶ms); 1293bdcd8170SKalle Valo 1294bdcd8170SKalle Valo return key->key_len ? 0 : -ENOENT; 1295bdcd8170SKalle Valo } 1296bdcd8170SKalle Valo 1297bdcd8170SKalle Valo static int ath6kl_cfg80211_set_default_key(struct wiphy *wiphy, 1298bdcd8170SKalle Valo struct net_device *ndev, 1299bdcd8170SKalle Valo u8 key_index, bool unicast, 1300bdcd8170SKalle Valo bool multicast) 1301bdcd8170SKalle Valo { 1302d6d5c06cSKalle Valo struct ath6kl *ar = ath6kl_priv(ndev); 130359c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 1304bdcd8170SKalle Valo struct ath6kl_key *key = NULL; 1305bdcd8170SKalle Valo u8 key_usage; 1306229ed6b5SEdward Lu enum crypto_type key_type = NONE_CRYPT; 1307bdcd8170SKalle Valo 1308bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index); 1309bdcd8170SKalle Valo 1310990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1311bdcd8170SKalle Valo return -EIO; 1312bdcd8170SKalle Valo 1313792ecb33SVivek Natarajan if (key_index > WMI_MAX_KEY_INDEX) { 1314bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1315bdcd8170SKalle Valo "%s: key index %d out of bounds\n", 1316bdcd8170SKalle Valo __func__, key_index); 1317bdcd8170SKalle Valo return -ENOENT; 1318bdcd8170SKalle Valo } 1319bdcd8170SKalle Valo 13206f2a73f9SVasanthakumar Thiagarajan if (!vif->keys[key_index].key_len) { 1321bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: invalid key index %d\n", 1322bdcd8170SKalle Valo __func__, key_index); 1323bdcd8170SKalle Valo return -EINVAL; 1324bdcd8170SKalle Valo } 1325bdcd8170SKalle Valo 13263450334fSVasanthakumar Thiagarajan vif->def_txkey_index = key_index; 13276f2a73f9SVasanthakumar Thiagarajan key = &vif->keys[vif->def_txkey_index]; 1328bdcd8170SKalle Valo key_usage = GROUP_USAGE; 13293450334fSVasanthakumar Thiagarajan if (vif->prwise_crypto == WEP_CRYPT) 1330bdcd8170SKalle Valo key_usage |= TX_USAGE; 1331229ed6b5SEdward Lu if (unicast) 13323450334fSVasanthakumar Thiagarajan key_type = vif->prwise_crypto; 1333229ed6b5SEdward Lu if (multicast) 13343450334fSVasanthakumar Thiagarajan key_type = vif->grp_crypto; 1335bdcd8170SKalle Valo 1336f5938f24SVasanthakumar Thiagarajan if (vif->next_mode == AP_NETWORK && !test_bit(CONNECTED, &vif->flags)) 13379a5b1318SJouni Malinen return 0; /* Delay until AP mode has been started */ 13389a5b1318SJouni Malinen 1339f3e61eceSJouni Malinen return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, 1340334234b5SVasanthakumar Thiagarajan vif->def_txkey_index, 1341229ed6b5SEdward Lu key_type, key_usage, 1342f4bb9a6fSJouni Malinen key->key_len, key->seq, key->seq_len, 1343f4bb9a6fSJouni Malinen key->key, 1344bdcd8170SKalle Valo KEY_OP_INIT_VAL, NULL, 1345bdcd8170SKalle Valo SYNC_BOTH_WMIFLAG); 1346bdcd8170SKalle Valo } 1347bdcd8170SKalle Valo 1348240d2799SVasanthakumar Thiagarajan void ath6kl_cfg80211_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid, 1349bdcd8170SKalle Valo bool ismcast) 1350bdcd8170SKalle Valo { 1351bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1352bdcd8170SKalle Valo "%s: keyid %d, ismcast %d\n", __func__, keyid, ismcast); 1353bdcd8170SKalle Valo 1354240d2799SVasanthakumar Thiagarajan cfg80211_michael_mic_failure(vif->ndev, vif->bssid, 1355bdcd8170SKalle Valo (ismcast ? NL80211_KEYTYPE_GROUP : 1356bdcd8170SKalle Valo NL80211_KEYTYPE_PAIRWISE), keyid, NULL, 1357bdcd8170SKalle Valo GFP_KERNEL); 1358bdcd8170SKalle Valo } 1359bdcd8170SKalle Valo 1360bdcd8170SKalle Valo static int ath6kl_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) 1361bdcd8170SKalle Valo { 1362bdcd8170SKalle Valo struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy); 1363990bd915SVasanthakumar Thiagarajan struct ath6kl_vif *vif; 1364bdcd8170SKalle Valo int ret; 1365bdcd8170SKalle Valo 1366bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: changed 0x%x\n", __func__, 1367bdcd8170SKalle Valo changed); 1368bdcd8170SKalle Valo 1369990bd915SVasanthakumar Thiagarajan vif = ath6kl_vif_first(ar); 1370990bd915SVasanthakumar Thiagarajan if (!vif) 1371990bd915SVasanthakumar Thiagarajan return -EIO; 1372990bd915SVasanthakumar Thiagarajan 1373990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1374bdcd8170SKalle Valo return -EIO; 1375bdcd8170SKalle Valo 1376bdcd8170SKalle Valo if (changed & WIPHY_PARAM_RTS_THRESHOLD) { 1377bdcd8170SKalle Valo ret = ath6kl_wmi_set_rts_cmd(ar->wmi, wiphy->rts_threshold); 1378bdcd8170SKalle Valo if (ret != 0) { 1379bdcd8170SKalle Valo ath6kl_err("ath6kl_wmi_set_rts_cmd failed\n"); 1380bdcd8170SKalle Valo return -EIO; 1381bdcd8170SKalle Valo } 1382bdcd8170SKalle Valo } 1383bdcd8170SKalle Valo 1384bdcd8170SKalle Valo return 0; 1385bdcd8170SKalle Valo } 1386bdcd8170SKalle Valo 1387bdcd8170SKalle Valo static int ath6kl_cfg80211_set_txpower(struct wiphy *wiphy, 1388c8442118SJohannes Berg struct wireless_dev *wdev, 1389bdcd8170SKalle Valo enum nl80211_tx_power_setting type, 1390b992a285SLuis R. Rodriguez int mbm) 1391bdcd8170SKalle Valo { 1392bdcd8170SKalle Valo struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy); 1393990bd915SVasanthakumar Thiagarajan struct ath6kl_vif *vif; 1394b992a285SLuis R. Rodriguez int dbm = MBM_TO_DBM(mbm); 1395bdcd8170SKalle Valo 1396bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x, dbm %d\n", __func__, 1397bdcd8170SKalle Valo type, dbm); 1398bdcd8170SKalle Valo 1399990bd915SVasanthakumar Thiagarajan vif = ath6kl_vif_first(ar); 1400990bd915SVasanthakumar Thiagarajan if (!vif) 1401990bd915SVasanthakumar Thiagarajan return -EIO; 1402990bd915SVasanthakumar Thiagarajan 1403990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1404bdcd8170SKalle Valo return -EIO; 1405bdcd8170SKalle Valo 1406bdcd8170SKalle Valo switch (type) { 1407bdcd8170SKalle Valo case NL80211_TX_POWER_AUTOMATIC: 1408bdcd8170SKalle Valo return 0; 1409bdcd8170SKalle Valo case NL80211_TX_POWER_LIMITED: 1410d0d670abSKalle Valo ar->tx_pwr = dbm; 1411bdcd8170SKalle Valo break; 1412bdcd8170SKalle Valo default: 1413bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x not supported\n", 1414bdcd8170SKalle Valo __func__, type); 1415bdcd8170SKalle Valo return -EOPNOTSUPP; 1416bdcd8170SKalle Valo } 1417bdcd8170SKalle Valo 1418d0d670abSKalle Valo ath6kl_wmi_set_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx, dbm); 1419bdcd8170SKalle Valo 1420bdcd8170SKalle Valo return 0; 1421bdcd8170SKalle Valo } 1422bdcd8170SKalle Valo 1423c8442118SJohannes Berg static int ath6kl_cfg80211_get_txpower(struct wiphy *wiphy, 1424c8442118SJohannes Berg struct wireless_dev *wdev, 1425c8442118SJohannes Berg int *dbm) 1426bdcd8170SKalle Valo { 1427bdcd8170SKalle Valo struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy); 1428990bd915SVasanthakumar Thiagarajan struct ath6kl_vif *vif; 1429bdcd8170SKalle Valo 1430990bd915SVasanthakumar Thiagarajan vif = ath6kl_vif_first(ar); 1431990bd915SVasanthakumar Thiagarajan if (!vif) 1432990bd915SVasanthakumar Thiagarajan return -EIO; 1433990bd915SVasanthakumar Thiagarajan 1434990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1435bdcd8170SKalle Valo return -EIO; 1436bdcd8170SKalle Valo 143759c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags)) { 1438bdcd8170SKalle Valo ar->tx_pwr = 0; 1439bdcd8170SKalle Valo 1440990bd915SVasanthakumar Thiagarajan if (ath6kl_wmi_get_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx) != 0) { 1441bdcd8170SKalle Valo ath6kl_err("ath6kl_wmi_get_tx_pwr_cmd failed\n"); 1442bdcd8170SKalle Valo return -EIO; 1443bdcd8170SKalle Valo } 1444bdcd8170SKalle Valo 1445bdcd8170SKalle Valo wait_event_interruptible_timeout(ar->event_wq, ar->tx_pwr != 0, 1446bdcd8170SKalle Valo 5 * HZ); 1447bdcd8170SKalle Valo 1448bdcd8170SKalle Valo if (signal_pending(current)) { 1449bdcd8170SKalle Valo ath6kl_err("target did not respond\n"); 1450bdcd8170SKalle Valo return -EINTR; 1451bdcd8170SKalle Valo } 1452bdcd8170SKalle Valo } 1453bdcd8170SKalle Valo 1454bdcd8170SKalle Valo *dbm = ar->tx_pwr; 1455bdcd8170SKalle Valo return 0; 1456bdcd8170SKalle Valo } 1457bdcd8170SKalle Valo 1458bdcd8170SKalle Valo static int ath6kl_cfg80211_set_power_mgmt(struct wiphy *wiphy, 1459bdcd8170SKalle Valo struct net_device *dev, 1460bdcd8170SKalle Valo bool pmgmt, int timeout) 1461bdcd8170SKalle Valo { 1462bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 1463bdcd8170SKalle Valo struct wmi_power_mode_cmd mode; 1464334234b5SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1465bdcd8170SKalle Valo 1466bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: pmgmt %d, timeout %d\n", 1467bdcd8170SKalle Valo __func__, pmgmt, timeout); 1468bdcd8170SKalle Valo 1469990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1470bdcd8170SKalle Valo return -EIO; 1471bdcd8170SKalle Valo 1472bdcd8170SKalle Valo if (pmgmt) { 1473bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: max perf\n", __func__); 1474bdcd8170SKalle Valo mode.pwr_mode = REC_POWER; 1475bdcd8170SKalle Valo } else { 1476bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: rec power\n", __func__); 1477bdcd8170SKalle Valo mode.pwr_mode = MAX_PERF_POWER; 1478bdcd8170SKalle Valo } 1479bdcd8170SKalle Valo 1480334234b5SVasanthakumar Thiagarajan if (ath6kl_wmi_powermode_cmd(ar->wmi, vif->fw_vif_idx, 1481334234b5SVasanthakumar Thiagarajan mode.pwr_mode) != 0) { 1482bdcd8170SKalle Valo ath6kl_err("wmi_powermode_cmd failed\n"); 1483bdcd8170SKalle Valo return -EIO; 1484bdcd8170SKalle Valo } 1485bdcd8170SKalle Valo 1486bdcd8170SKalle Valo return 0; 1487bdcd8170SKalle Valo } 1488bdcd8170SKalle Valo 148984efbb84SJohannes Berg static struct wireless_dev *ath6kl_cfg80211_add_iface(struct wiphy *wiphy, 1490552bff0cSJohannes Berg const char *name, 149155055976SVasanthakumar Thiagarajan enum nl80211_iftype type, 149255055976SVasanthakumar Thiagarajan u32 *flags, 149355055976SVasanthakumar Thiagarajan struct vif_params *params) 149455055976SVasanthakumar Thiagarajan { 149555055976SVasanthakumar Thiagarajan struct ath6kl *ar = wiphy_priv(wiphy); 149684efbb84SJohannes Berg struct wireless_dev *wdev; 149755055976SVasanthakumar Thiagarajan u8 if_idx, nw_type; 149855055976SVasanthakumar Thiagarajan 149971f96ee6SKalle Valo if (ar->num_vif == ar->vif_max) { 150055055976SVasanthakumar Thiagarajan ath6kl_err("Reached maximum number of supported vif\n"); 150155055976SVasanthakumar Thiagarajan return ERR_PTR(-EINVAL); 150255055976SVasanthakumar Thiagarajan } 150355055976SVasanthakumar Thiagarajan 150455055976SVasanthakumar Thiagarajan if (!ath6kl_is_valid_iftype(ar, type, &if_idx, &nw_type)) { 150555055976SVasanthakumar Thiagarajan ath6kl_err("Not a supported interface type\n"); 150655055976SVasanthakumar Thiagarajan return ERR_PTR(-EINVAL); 150755055976SVasanthakumar Thiagarajan } 150855055976SVasanthakumar Thiagarajan 150984efbb84SJohannes Berg wdev = ath6kl_interface_add(ar, name, type, if_idx, nw_type); 151084efbb84SJohannes Berg if (!wdev) 151155055976SVasanthakumar Thiagarajan return ERR_PTR(-ENOMEM); 151255055976SVasanthakumar Thiagarajan 151355055976SVasanthakumar Thiagarajan ar->num_vif++; 151455055976SVasanthakumar Thiagarajan 151584efbb84SJohannes Berg return wdev; 151655055976SVasanthakumar Thiagarajan } 151755055976SVasanthakumar Thiagarajan 151855055976SVasanthakumar Thiagarajan static int ath6kl_cfg80211_del_iface(struct wiphy *wiphy, 151984efbb84SJohannes Berg struct wireless_dev *wdev) 152055055976SVasanthakumar Thiagarajan { 152155055976SVasanthakumar Thiagarajan struct ath6kl *ar = wiphy_priv(wiphy); 152284efbb84SJohannes Berg struct ath6kl_vif *vif = netdev_priv(wdev->netdev); 152355055976SVasanthakumar Thiagarajan 152411f6e40dSVasanthakumar Thiagarajan spin_lock_bh(&ar->list_lock); 152555055976SVasanthakumar Thiagarajan list_del(&vif->list); 152611f6e40dSVasanthakumar Thiagarajan spin_unlock_bh(&ar->list_lock); 152755055976SVasanthakumar Thiagarajan 152855055976SVasanthakumar Thiagarajan ath6kl_cleanup_vif(vif, test_bit(WMI_READY, &ar->flag)); 152955055976SVasanthakumar Thiagarajan 1530c25889e8SKalle Valo ath6kl_cfg80211_vif_cleanup(vif); 153155055976SVasanthakumar Thiagarajan 153255055976SVasanthakumar Thiagarajan return 0; 153355055976SVasanthakumar Thiagarajan } 153455055976SVasanthakumar Thiagarajan 1535bdcd8170SKalle Valo static int ath6kl_cfg80211_change_iface(struct wiphy *wiphy, 1536bdcd8170SKalle Valo struct net_device *ndev, 1537bdcd8170SKalle Valo enum nl80211_iftype type, u32 *flags, 1538bdcd8170SKalle Valo struct vif_params *params) 1539bdcd8170SKalle Valo { 1540f5938f24SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 15411e8d13b0SVasanthakumar Thiagarajan int i; 1542bdcd8170SKalle Valo 1543bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type %u\n", __func__, type); 1544bdcd8170SKalle Valo 15451e8d13b0SVasanthakumar Thiagarajan /* 15461e8d13b0SVasanthakumar Thiagarajan * Don't bring up p2p on an interface which is not initialized 15471e8d13b0SVasanthakumar Thiagarajan * for p2p operation where fw does not have capability to switch 15481e8d13b0SVasanthakumar Thiagarajan * dynamically between non-p2p and p2p type interface. 15491e8d13b0SVasanthakumar Thiagarajan */ 15501e8d13b0SVasanthakumar Thiagarajan if (!test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX, 15511e8d13b0SVasanthakumar Thiagarajan vif->ar->fw_capabilities) && 15521e8d13b0SVasanthakumar Thiagarajan (type == NL80211_IFTYPE_P2P_CLIENT || 15531e8d13b0SVasanthakumar Thiagarajan type == NL80211_IFTYPE_P2P_GO)) { 15541e8d13b0SVasanthakumar Thiagarajan if (vif->ar->vif_max == 1) { 15551e8d13b0SVasanthakumar Thiagarajan if (vif->fw_vif_idx != 0) 15561e8d13b0SVasanthakumar Thiagarajan return -EINVAL; 15571e8d13b0SVasanthakumar Thiagarajan else 15581e8d13b0SVasanthakumar Thiagarajan goto set_iface_type; 15591e8d13b0SVasanthakumar Thiagarajan } 15601e8d13b0SVasanthakumar Thiagarajan 15611e8d13b0SVasanthakumar Thiagarajan for (i = vif->ar->max_norm_iface; i < vif->ar->vif_max; i++) { 15621e8d13b0SVasanthakumar Thiagarajan if (i == vif->fw_vif_idx) 15631e8d13b0SVasanthakumar Thiagarajan break; 15641e8d13b0SVasanthakumar Thiagarajan } 15651e8d13b0SVasanthakumar Thiagarajan 15661e8d13b0SVasanthakumar Thiagarajan if (i == vif->ar->vif_max) { 15671e8d13b0SVasanthakumar Thiagarajan ath6kl_err("Invalid interface to bring up P2P\n"); 15681e8d13b0SVasanthakumar Thiagarajan return -EINVAL; 15691e8d13b0SVasanthakumar Thiagarajan } 15701e8d13b0SVasanthakumar Thiagarajan } 15711e8d13b0SVasanthakumar Thiagarajan 1572c422d52dSThomas Pedersen /* need to clean up enhanced bmiss detection fw state */ 1573c422d52dSThomas Pedersen ath6kl_cfg80211_sta_bmiss_enhance(vif, false); 1574c422d52dSThomas Pedersen 15751e8d13b0SVasanthakumar Thiagarajan set_iface_type: 1576bdcd8170SKalle Valo switch (type) { 1577bdcd8170SKalle Valo case NL80211_IFTYPE_STATION: 1578f5938f24SVasanthakumar Thiagarajan vif->next_mode = INFRA_NETWORK; 1579bdcd8170SKalle Valo break; 1580bdcd8170SKalle Valo case NL80211_IFTYPE_ADHOC: 1581f5938f24SVasanthakumar Thiagarajan vif->next_mode = ADHOC_NETWORK; 1582bdcd8170SKalle Valo break; 15836e4604c8SJouni Malinen case NL80211_IFTYPE_AP: 1584f5938f24SVasanthakumar Thiagarajan vif->next_mode = AP_NETWORK; 15856e4604c8SJouni Malinen break; 15866b5e5d25SJouni Malinen case NL80211_IFTYPE_P2P_CLIENT: 1587f5938f24SVasanthakumar Thiagarajan vif->next_mode = INFRA_NETWORK; 15886b5e5d25SJouni Malinen break; 15896b5e5d25SJouni Malinen case NL80211_IFTYPE_P2P_GO: 1590f5938f24SVasanthakumar Thiagarajan vif->next_mode = AP_NETWORK; 15916b5e5d25SJouni Malinen break; 1592bdcd8170SKalle Valo default: 1593bdcd8170SKalle Valo ath6kl_err("invalid interface type %u\n", type); 1594bdcd8170SKalle Valo return -EOPNOTSUPP; 1595bdcd8170SKalle Valo } 1596bdcd8170SKalle Valo 1597551959d8SVasanthakumar Thiagarajan vif->wdev.iftype = type; 1598bdcd8170SKalle Valo 1599bdcd8170SKalle Valo return 0; 1600bdcd8170SKalle Valo } 1601bdcd8170SKalle Valo 1602bdcd8170SKalle Valo static int ath6kl_cfg80211_join_ibss(struct wiphy *wiphy, 1603bdcd8170SKalle Valo struct net_device *dev, 1604bdcd8170SKalle Valo struct cfg80211_ibss_params *ibss_param) 1605bdcd8170SKalle Valo { 1606bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 160759c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1608bdcd8170SKalle Valo int status; 1609bdcd8170SKalle Valo 1610990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1611bdcd8170SKalle Valo return -EIO; 1612bdcd8170SKalle Valo 16133450334fSVasanthakumar Thiagarajan vif->ssid_len = ibss_param->ssid_len; 16143450334fSVasanthakumar Thiagarajan memcpy(vif->ssid, ibss_param->ssid, vif->ssid_len); 1615bdcd8170SKalle Valo 1616bdcd8170SKalle Valo if (ibss_param->channel) 1617f74bac54SVasanthakumar Thiagarajan vif->ch_hint = ibss_param->channel->center_freq; 1618bdcd8170SKalle Valo 1619bdcd8170SKalle Valo if (ibss_param->channel_fixed) { 1620bdcd8170SKalle Valo /* 1621bdcd8170SKalle Valo * TODO: channel_fixed: The channel should be fixed, do not 1622bdcd8170SKalle Valo * search for IBSSs to join on other channels. Target 1623bdcd8170SKalle Valo * firmware does not support this feature, needs to be 1624bdcd8170SKalle Valo * updated. 1625bdcd8170SKalle Valo */ 1626bdcd8170SKalle Valo return -EOPNOTSUPP; 1627bdcd8170SKalle Valo } 1628bdcd8170SKalle Valo 16298c8b65e3SVasanthakumar Thiagarajan memset(vif->req_bssid, 0, sizeof(vif->req_bssid)); 1630bdcd8170SKalle Valo if (ibss_param->bssid && !is_broadcast_ether_addr(ibss_param->bssid)) 16318c8b65e3SVasanthakumar Thiagarajan memcpy(vif->req_bssid, ibss_param->bssid, 16328c8b65e3SVasanthakumar Thiagarajan sizeof(vif->req_bssid)); 1633bdcd8170SKalle Valo 1634240d2799SVasanthakumar Thiagarajan ath6kl_set_wpa_version(vif, 0); 1635bdcd8170SKalle Valo 1636240d2799SVasanthakumar Thiagarajan status = ath6kl_set_auth_type(vif, NL80211_AUTHTYPE_OPEN_SYSTEM); 1637bdcd8170SKalle Valo if (status) 1638bdcd8170SKalle Valo return status; 1639bdcd8170SKalle Valo 1640bdcd8170SKalle Valo if (ibss_param->privacy) { 1641240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, true); 1642240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, false); 1643bdcd8170SKalle Valo } else { 1644240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, 0, true); 1645240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, 0, false); 1646bdcd8170SKalle Valo } 1647bdcd8170SKalle Valo 1648f5938f24SVasanthakumar Thiagarajan vif->nw_type = vif->next_mode; 1649bdcd8170SKalle Valo 1650bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1651bdcd8170SKalle Valo "%s: connect called with authmode %d dot11 auth %d" 1652bdcd8170SKalle Valo " PW crypto %d PW crypto len %d GRP crypto %d" 1653bdcd8170SKalle Valo " GRP crypto len %d channel hint %u\n", 1654bdcd8170SKalle Valo __func__, 16553450334fSVasanthakumar Thiagarajan vif->auth_mode, vif->dot11_auth_mode, vif->prwise_crypto, 16563450334fSVasanthakumar Thiagarajan vif->prwise_crypto_len, vif->grp_crypto, 1657f74bac54SVasanthakumar Thiagarajan vif->grp_crypto_len, vif->ch_hint); 1658bdcd8170SKalle Valo 1659334234b5SVasanthakumar Thiagarajan status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type, 16603450334fSVasanthakumar Thiagarajan vif->dot11_auth_mode, vif->auth_mode, 16613450334fSVasanthakumar Thiagarajan vif->prwise_crypto, 16623450334fSVasanthakumar Thiagarajan vif->prwise_crypto_len, 16633450334fSVasanthakumar Thiagarajan vif->grp_crypto, vif->grp_crypto_len, 16643450334fSVasanthakumar Thiagarajan vif->ssid_len, vif->ssid, 1665f74bac54SVasanthakumar Thiagarajan vif->req_bssid, vif->ch_hint, 16663ca9d1fcSAarthi Thiruvengadam ar->connect_ctrl_flags, SUBTYPE_NONE); 166759c98449SVasanthakumar Thiagarajan set_bit(CONNECT_PEND, &vif->flags); 1668bdcd8170SKalle Valo 1669bdcd8170SKalle Valo return 0; 1670bdcd8170SKalle Valo } 1671bdcd8170SKalle Valo 1672bdcd8170SKalle Valo static int ath6kl_cfg80211_leave_ibss(struct wiphy *wiphy, 1673bdcd8170SKalle Valo struct net_device *dev) 1674bdcd8170SKalle Valo { 16753450334fSVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1676bdcd8170SKalle Valo 1677990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1678bdcd8170SKalle Valo return -EIO; 1679bdcd8170SKalle Valo 1680240d2799SVasanthakumar Thiagarajan ath6kl_disconnect(vif); 16813450334fSVasanthakumar Thiagarajan memset(vif->ssid, 0, sizeof(vif->ssid)); 16823450334fSVasanthakumar Thiagarajan vif->ssid_len = 0; 1683bdcd8170SKalle Valo 1684bdcd8170SKalle Valo return 0; 1685bdcd8170SKalle Valo } 1686bdcd8170SKalle Valo 1687bdcd8170SKalle Valo static const u32 cipher_suites[] = { 1688bdcd8170SKalle Valo WLAN_CIPHER_SUITE_WEP40, 1689bdcd8170SKalle Valo WLAN_CIPHER_SUITE_WEP104, 1690bdcd8170SKalle Valo WLAN_CIPHER_SUITE_TKIP, 1691bdcd8170SKalle Valo WLAN_CIPHER_SUITE_CCMP, 1692837cb97eSJouni Malinen CCKM_KRK_CIPHER_SUITE, 16935e07021eSDai Shuibing WLAN_CIPHER_SUITE_SMS4, 1694bdcd8170SKalle Valo }; 1695bdcd8170SKalle Valo 1696bdcd8170SKalle Valo static bool is_rate_legacy(s32 rate) 1697bdcd8170SKalle Valo { 1698bdcd8170SKalle Valo static const s32 legacy[] = { 1000, 2000, 5500, 11000, 1699bdcd8170SKalle Valo 6000, 9000, 12000, 18000, 24000, 1700bdcd8170SKalle Valo 36000, 48000, 54000 1701bdcd8170SKalle Valo }; 1702bdcd8170SKalle Valo u8 i; 1703bdcd8170SKalle Valo 1704bdcd8170SKalle Valo for (i = 0; i < ARRAY_SIZE(legacy); i++) 1705bdcd8170SKalle Valo if (rate == legacy[i]) 1706bdcd8170SKalle Valo return true; 1707bdcd8170SKalle Valo 1708bdcd8170SKalle Valo return false; 1709bdcd8170SKalle Valo } 1710bdcd8170SKalle Valo 1711bdcd8170SKalle Valo static bool is_rate_ht20(s32 rate, u8 *mcs, bool *sgi) 1712bdcd8170SKalle Valo { 1713bdcd8170SKalle Valo static const s32 ht20[] = { 6500, 13000, 19500, 26000, 39000, 1714bdcd8170SKalle Valo 52000, 58500, 65000, 72200 1715bdcd8170SKalle Valo }; 1716bdcd8170SKalle Valo u8 i; 1717bdcd8170SKalle Valo 1718bdcd8170SKalle Valo for (i = 0; i < ARRAY_SIZE(ht20); i++) { 1719bdcd8170SKalle Valo if (rate == ht20[i]) { 1720bdcd8170SKalle Valo if (i == ARRAY_SIZE(ht20) - 1) 1721bdcd8170SKalle Valo /* last rate uses sgi */ 1722bdcd8170SKalle Valo *sgi = true; 1723bdcd8170SKalle Valo else 1724bdcd8170SKalle Valo *sgi = false; 1725bdcd8170SKalle Valo 1726bdcd8170SKalle Valo *mcs = i; 1727bdcd8170SKalle Valo return true; 1728bdcd8170SKalle Valo } 1729bdcd8170SKalle Valo } 1730bdcd8170SKalle Valo return false; 1731bdcd8170SKalle Valo } 1732bdcd8170SKalle Valo 1733bdcd8170SKalle Valo static bool is_rate_ht40(s32 rate, u8 *mcs, bool *sgi) 1734bdcd8170SKalle Valo { 1735bdcd8170SKalle Valo static const s32 ht40[] = { 13500, 27000, 40500, 54000, 1736bdcd8170SKalle Valo 81000, 108000, 121500, 135000, 1737bdcd8170SKalle Valo 150000 1738bdcd8170SKalle Valo }; 1739bdcd8170SKalle Valo u8 i; 1740bdcd8170SKalle Valo 1741bdcd8170SKalle Valo for (i = 0; i < ARRAY_SIZE(ht40); i++) { 1742bdcd8170SKalle Valo if (rate == ht40[i]) { 1743bdcd8170SKalle Valo if (i == ARRAY_SIZE(ht40) - 1) 1744bdcd8170SKalle Valo /* last rate uses sgi */ 1745bdcd8170SKalle Valo *sgi = true; 1746bdcd8170SKalle Valo else 1747bdcd8170SKalle Valo *sgi = false; 1748bdcd8170SKalle Valo 1749bdcd8170SKalle Valo *mcs = i; 1750bdcd8170SKalle Valo return true; 1751bdcd8170SKalle Valo } 1752bdcd8170SKalle Valo } 1753bdcd8170SKalle Valo 1754bdcd8170SKalle Valo return false; 1755bdcd8170SKalle Valo } 1756bdcd8170SKalle Valo 1757bdcd8170SKalle Valo static int ath6kl_get_station(struct wiphy *wiphy, struct net_device *dev, 1758bdcd8170SKalle Valo u8 *mac, struct station_info *sinfo) 1759bdcd8170SKalle Valo { 1760bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 176159c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1762bdcd8170SKalle Valo long left; 1763bdcd8170SKalle Valo bool sgi; 1764bdcd8170SKalle Valo s32 rate; 1765bdcd8170SKalle Valo int ret; 1766bdcd8170SKalle Valo u8 mcs; 1767bdcd8170SKalle Valo 17688c8b65e3SVasanthakumar Thiagarajan if (memcmp(mac, vif->bssid, ETH_ALEN) != 0) 1769bdcd8170SKalle Valo return -ENOENT; 1770bdcd8170SKalle Valo 1771bdcd8170SKalle Valo if (down_interruptible(&ar->sem)) 1772bdcd8170SKalle Valo return -EBUSY; 1773bdcd8170SKalle Valo 1774b95907a7SVasanthakumar Thiagarajan set_bit(STATS_UPDATE_PEND, &vif->flags); 1775bdcd8170SKalle Valo 1776334234b5SVasanthakumar Thiagarajan ret = ath6kl_wmi_get_stats_cmd(ar->wmi, vif->fw_vif_idx); 1777bdcd8170SKalle Valo 1778bdcd8170SKalle Valo if (ret != 0) { 1779bdcd8170SKalle Valo up(&ar->sem); 1780bdcd8170SKalle Valo return -EIO; 1781bdcd8170SKalle Valo } 1782bdcd8170SKalle Valo 1783bdcd8170SKalle Valo left = wait_event_interruptible_timeout(ar->event_wq, 1784bdcd8170SKalle Valo !test_bit(STATS_UPDATE_PEND, 1785b95907a7SVasanthakumar Thiagarajan &vif->flags), 1786bdcd8170SKalle Valo WMI_TIMEOUT); 1787bdcd8170SKalle Valo 1788bdcd8170SKalle Valo up(&ar->sem); 1789bdcd8170SKalle Valo 1790bdcd8170SKalle Valo if (left == 0) 1791bdcd8170SKalle Valo return -ETIMEDOUT; 1792bdcd8170SKalle Valo else if (left < 0) 1793bdcd8170SKalle Valo return left; 1794bdcd8170SKalle Valo 1795b95907a7SVasanthakumar Thiagarajan if (vif->target_stats.rx_byte) { 1796b95907a7SVasanthakumar Thiagarajan sinfo->rx_bytes = vif->target_stats.rx_byte; 1797bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_RX_BYTES; 1798b95907a7SVasanthakumar Thiagarajan sinfo->rx_packets = vif->target_stats.rx_pkt; 1799bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_RX_PACKETS; 1800bdcd8170SKalle Valo } 1801bdcd8170SKalle Valo 1802b95907a7SVasanthakumar Thiagarajan if (vif->target_stats.tx_byte) { 1803b95907a7SVasanthakumar Thiagarajan sinfo->tx_bytes = vif->target_stats.tx_byte; 1804bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_TX_BYTES; 1805b95907a7SVasanthakumar Thiagarajan sinfo->tx_packets = vif->target_stats.tx_pkt; 1806bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_TX_PACKETS; 1807bdcd8170SKalle Valo } 1808bdcd8170SKalle Valo 1809b95907a7SVasanthakumar Thiagarajan sinfo->signal = vif->target_stats.cs_rssi; 1810bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_SIGNAL; 1811bdcd8170SKalle Valo 1812b95907a7SVasanthakumar Thiagarajan rate = vif->target_stats.tx_ucast_rate; 1813bdcd8170SKalle Valo 1814bdcd8170SKalle Valo if (is_rate_legacy(rate)) { 1815bdcd8170SKalle Valo sinfo->txrate.legacy = rate / 100; 1816bdcd8170SKalle Valo } else if (is_rate_ht20(rate, &mcs, &sgi)) { 1817bdcd8170SKalle Valo if (sgi) { 1818bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; 1819bdcd8170SKalle Valo sinfo->txrate.mcs = mcs - 1; 1820bdcd8170SKalle Valo } else { 1821bdcd8170SKalle Valo sinfo->txrate.mcs = mcs; 1822bdcd8170SKalle Valo } 1823bdcd8170SKalle Valo 1824bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; 1825bdcd8170SKalle Valo } else if (is_rate_ht40(rate, &mcs, &sgi)) { 1826bdcd8170SKalle Valo if (sgi) { 1827bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; 1828bdcd8170SKalle Valo sinfo->txrate.mcs = mcs - 1; 1829bdcd8170SKalle Valo } else { 1830bdcd8170SKalle Valo sinfo->txrate.mcs = mcs; 1831bdcd8170SKalle Valo } 1832bdcd8170SKalle Valo 1833bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; 1834bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; 1835bdcd8170SKalle Valo } else { 18369a730834SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 18379a730834SKalle Valo "invalid rate from stats: %d\n", rate); 18389a730834SKalle Valo ath6kl_debug_war(ar, ATH6KL_WAR_INVALID_RATE); 1839bdcd8170SKalle Valo return 0; 1840bdcd8170SKalle Valo } 1841bdcd8170SKalle Valo 1842bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_TX_BITRATE; 1843bdcd8170SKalle Valo 184459c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags) && 184559c98449SVasanthakumar Thiagarajan test_bit(DTIM_PERIOD_AVAIL, &vif->flags) && 1846f5938f24SVasanthakumar Thiagarajan vif->nw_type == INFRA_NETWORK) { 184732c10874SJouni Malinen sinfo->filled |= STATION_INFO_BSS_PARAM; 184832c10874SJouni Malinen sinfo->bss_param.flags = 0; 1849cf5333d7SVasanthakumar Thiagarajan sinfo->bss_param.dtim_period = vif->assoc_bss_dtim_period; 1850cf5333d7SVasanthakumar Thiagarajan sinfo->bss_param.beacon_interval = vif->assoc_bss_beacon_int; 185132c10874SJouni Malinen } 185232c10874SJouni Malinen 1853bdcd8170SKalle Valo return 0; 1854bdcd8170SKalle Valo } 1855bdcd8170SKalle Valo 1856bdcd8170SKalle Valo static int ath6kl_set_pmksa(struct wiphy *wiphy, struct net_device *netdev, 1857bdcd8170SKalle Valo struct cfg80211_pmksa *pmksa) 1858bdcd8170SKalle Valo { 1859bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(netdev); 1860334234b5SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(netdev); 1861334234b5SVasanthakumar Thiagarajan 1862334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid, 1863bdcd8170SKalle Valo pmksa->pmkid, true); 1864bdcd8170SKalle Valo } 1865bdcd8170SKalle Valo 1866bdcd8170SKalle Valo static int ath6kl_del_pmksa(struct wiphy *wiphy, struct net_device *netdev, 1867bdcd8170SKalle Valo struct cfg80211_pmksa *pmksa) 1868bdcd8170SKalle Valo { 1869bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(netdev); 1870334234b5SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(netdev); 1871334234b5SVasanthakumar Thiagarajan 1872334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid, 1873bdcd8170SKalle Valo pmksa->pmkid, false); 1874bdcd8170SKalle Valo } 1875bdcd8170SKalle Valo 1876bdcd8170SKalle Valo static int ath6kl_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev) 1877bdcd8170SKalle Valo { 1878bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(netdev); 187959c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(netdev); 188059c98449SVasanthakumar Thiagarajan 188159c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags)) 1882334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, 1883334234b5SVasanthakumar Thiagarajan vif->bssid, NULL, false); 1884bdcd8170SKalle Valo return 0; 1885bdcd8170SKalle Valo } 1886bdcd8170SKalle Valo 1887d91e8eeeSRaja Mani static int ath6kl_wow_usr(struct ath6kl *ar, struct ath6kl_vif *vif, 1888d91e8eeeSRaja Mani struct cfg80211_wowlan *wow, u32 *filter) 18896cb3c714SRaja Mani { 1890d91e8eeeSRaja Mani int ret, pos; 1891d91e8eeeSRaja Mani u8 mask[WOW_MASK_SIZE]; 18926cb3c714SRaja Mani u16 i; 18936cb3c714SRaja Mani 1894d91e8eeeSRaja Mani /* Configure the patterns that we received from the user. */ 18956cb3c714SRaja Mani for (i = 0; i < wow->n_patterns; i++) { 18966cb3c714SRaja Mani 18976cb3c714SRaja Mani /* 18986cb3c714SRaja Mani * Convert given nl80211 specific mask value to equivalent 18996cb3c714SRaja Mani * driver specific mask value and send it to the chip along 19006cb3c714SRaja Mani * with patterns. For example, If the mask value defined in 19016cb3c714SRaja Mani * struct cfg80211_wowlan is 0xA (equivalent binary is 1010), 19026cb3c714SRaja Mani * then equivalent driver specific mask value is 19036cb3c714SRaja Mani * "0xFF 0x00 0xFF 0x00". 19046cb3c714SRaja Mani */ 19056cb3c714SRaja Mani memset(&mask, 0, sizeof(mask)); 19066cb3c714SRaja Mani for (pos = 0; pos < wow->patterns[i].pattern_len; pos++) { 19076cb3c714SRaja Mani if (wow->patterns[i].mask[pos / 8] & (0x1 << (pos % 8))) 19086cb3c714SRaja Mani mask[pos] = 0xFF; 19096cb3c714SRaja Mani } 19106cb3c714SRaja Mani /* 19116cb3c714SRaja Mani * Note: Pattern's offset is not passed as part of wowlan 19126cb3c714SRaja Mani * parameter from CFG layer. So it's always passed as ZERO 19136cb3c714SRaja Mani * to the firmware. It means, given WOW patterns are always 19146cb3c714SRaja Mani * matched from the first byte of received pkt in the firmware. 19156cb3c714SRaja Mani */ 19166cb3c714SRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 19176cb3c714SRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 19186cb3c714SRaja Mani wow->patterns[i].pattern_len, 19196cb3c714SRaja Mani 0 /* pattern offset */, 19206cb3c714SRaja Mani wow->patterns[i].pattern, mask); 19216cb3c714SRaja Mani if (ret) 19226cb3c714SRaja Mani return ret; 19236cb3c714SRaja Mani } 19246cb3c714SRaja Mani 1925d91e8eeeSRaja Mani if (wow->disconnect) 1926d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_NWK_DISASSOC; 1927d91e8eeeSRaja Mani 1928d91e8eeeSRaja Mani if (wow->magic_pkt) 1929d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_MAGIC_PACKET; 1930d91e8eeeSRaja Mani 1931d91e8eeeSRaja Mani if (wow->gtk_rekey_failure) 1932d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_GTK_ERROR; 1933d91e8eeeSRaja Mani 1934d91e8eeeSRaja Mani if (wow->eap_identity_req) 1935d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_EAP_REQ; 1936d91e8eeeSRaja Mani 1937d91e8eeeSRaja Mani if (wow->four_way_handshake) 1938d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_8021X_4WAYHS; 1939d91e8eeeSRaja Mani 1940d91e8eeeSRaja Mani return 0; 1941d91e8eeeSRaja Mani } 1942d91e8eeeSRaja Mani 1943d91e8eeeSRaja Mani static int ath6kl_wow_ap(struct ath6kl *ar, struct ath6kl_vif *vif) 1944d91e8eeeSRaja Mani { 1945d91e8eeeSRaja Mani static const u8 unicst_pattern[] = { 0x00, 0x00, 0x00, 1946d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1947d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1948d91e8eeeSRaja Mani 0x00, 0x08 }; 1949d91e8eeeSRaja Mani static const u8 unicst_mask[] = { 0x01, 0x00, 0x00, 1950d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1951d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1952d91e8eeeSRaja Mani 0x00, 0x7f }; 1953d91e8eeeSRaja Mani u8 unicst_offset = 0; 1954d91e8eeeSRaja Mani static const u8 arp_pattern[] = { 0x08, 0x06 }; 1955d91e8eeeSRaja Mani static const u8 arp_mask[] = { 0xff, 0xff }; 1956d91e8eeeSRaja Mani u8 arp_offset = 20; 1957d91e8eeeSRaja Mani static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 }; 1958d91e8eeeSRaja Mani static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 }; 1959d91e8eeeSRaja Mani u8 discvr_offset = 38; 1960d91e8eeeSRaja Mani static const u8 dhcp_pattern[] = { 0xff, 0xff, 0xff, 0xff, 1961d91e8eeeSRaja Mani 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1962d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 1963d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1964d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1965d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x43 /* port 67 */ }; 1966d91e8eeeSRaja Mani static const u8 dhcp_mask[] = { 0xff, 0xff, 0xff, 0xff, 1967d91e8eeeSRaja Mani 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1968d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 1969d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1970d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1971d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0xff, 0xff /* port 67 */ }; 1972d91e8eeeSRaja Mani u8 dhcp_offset = 0; 1973d91e8eeeSRaja Mani int ret; 1974d91e8eeeSRaja Mani 1975d91e8eeeSRaja Mani /* Setup unicast IP, EAPOL-like and ARP pkt pattern */ 1976d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 1977d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 1978d91e8eeeSRaja Mani sizeof(unicst_pattern), unicst_offset, 1979d91e8eeeSRaja Mani unicst_pattern, unicst_mask); 1980d91e8eeeSRaja Mani if (ret) { 1981d91e8eeeSRaja Mani ath6kl_err("failed to add WOW unicast IP pattern\n"); 1982d91e8eeeSRaja Mani return ret; 1983d91e8eeeSRaja Mani } 1984d91e8eeeSRaja Mani 1985d91e8eeeSRaja Mani /* Setup all ARP pkt pattern */ 1986d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 1987d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 1988d91e8eeeSRaja Mani sizeof(arp_pattern), arp_offset, 1989d91e8eeeSRaja Mani arp_pattern, arp_mask); 1990d91e8eeeSRaja Mani if (ret) { 1991d91e8eeeSRaja Mani ath6kl_err("failed to add WOW ARP pattern\n"); 1992d91e8eeeSRaja Mani return ret; 1993d91e8eeeSRaja Mani } 1994d91e8eeeSRaja Mani 1995d91e8eeeSRaja Mani /* 1996d91e8eeeSRaja Mani * Setup multicast pattern for mDNS 224.0.0.251, 1997d91e8eeeSRaja Mani * SSDP 239.255.255.250 and LLMNR 224.0.0.252 1998d91e8eeeSRaja Mani */ 1999d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 2000d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 2001d91e8eeeSRaja Mani sizeof(discvr_pattern), discvr_offset, 2002d91e8eeeSRaja Mani discvr_pattern, discvr_mask); 2003d91e8eeeSRaja Mani if (ret) { 2004d91e8eeeSRaja Mani ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n"); 2005d91e8eeeSRaja Mani return ret; 2006d91e8eeeSRaja Mani } 2007d91e8eeeSRaja Mani 2008d91e8eeeSRaja Mani /* Setup all DHCP broadcast pkt pattern */ 2009d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 2010d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 2011d91e8eeeSRaja Mani sizeof(dhcp_pattern), dhcp_offset, 2012d91e8eeeSRaja Mani dhcp_pattern, dhcp_mask); 2013d91e8eeeSRaja Mani if (ret) { 2014d91e8eeeSRaja Mani ath6kl_err("failed to add WOW DHCP broadcast pattern\n"); 2015d91e8eeeSRaja Mani return ret; 2016d91e8eeeSRaja Mani } 2017d91e8eeeSRaja Mani 2018d91e8eeeSRaja Mani return 0; 2019d91e8eeeSRaja Mani } 2020d91e8eeeSRaja Mani 2021d91e8eeeSRaja Mani static int ath6kl_wow_sta(struct ath6kl *ar, struct ath6kl_vif *vif) 2022d91e8eeeSRaja Mani { 2023d91e8eeeSRaja Mani struct net_device *ndev = vif->ndev; 2024d91e8eeeSRaja Mani static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 }; 2025d91e8eeeSRaja Mani static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 }; 2026d91e8eeeSRaja Mani u8 discvr_offset = 38; 2027d91e8eeeSRaja Mani u8 mac_mask[ETH_ALEN]; 2028d91e8eeeSRaja Mani int ret; 2029d91e8eeeSRaja Mani 2030d91e8eeeSRaja Mani /* Setup unicast pkt pattern */ 2031d91e8eeeSRaja Mani memset(mac_mask, 0xff, ETH_ALEN); 2032d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 2033d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 2034d91e8eeeSRaja Mani ETH_ALEN, 0, ndev->dev_addr, 2035d91e8eeeSRaja Mani mac_mask); 2036d91e8eeeSRaja Mani if (ret) { 2037d91e8eeeSRaja Mani ath6kl_err("failed to add WOW unicast pattern\n"); 2038d91e8eeeSRaja Mani return ret; 2039d91e8eeeSRaja Mani } 2040d91e8eeeSRaja Mani 2041d91e8eeeSRaja Mani /* 2042d91e8eeeSRaja Mani * Setup multicast pattern for mDNS 224.0.0.251, 2043d91e8eeeSRaja Mani * SSDP 239.255.255.250 and LLMNR 224.0.0.252 2044d91e8eeeSRaja Mani */ 2045d91e8eeeSRaja Mani if ((ndev->flags & IFF_ALLMULTI) || 2046d91e8eeeSRaja Mani (ndev->flags & IFF_MULTICAST && netdev_mc_count(ndev) > 0)) { 2047d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 2048d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 2049d91e8eeeSRaja Mani sizeof(discvr_pattern), discvr_offset, 2050d91e8eeeSRaja Mani discvr_pattern, discvr_mask); 2051d91e8eeeSRaja Mani if (ret) { 2052cdeb8602SKalle Valo ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n"); 2053d91e8eeeSRaja Mani return ret; 2054d91e8eeeSRaja Mani } 2055d91e8eeeSRaja Mani } 2056d91e8eeeSRaja Mani 2057d91e8eeeSRaja Mani return 0; 2058d91e8eeeSRaja Mani } 2059d91e8eeeSRaja Mani 2060055bde49SRaja Mani static int is_hsleep_mode_procsed(struct ath6kl_vif *vif) 2061055bde49SRaja Mani { 2062055bde49SRaja Mani return test_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags); 2063055bde49SRaja Mani } 2064055bde49SRaja Mani 2065055bde49SRaja Mani static bool is_ctrl_ep_empty(struct ath6kl *ar) 2066055bde49SRaja Mani { 2067055bde49SRaja Mani return !ar->tx_pending[ar->ctrl_ep]; 2068055bde49SRaja Mani } 2069055bde49SRaja Mani 2070055bde49SRaja Mani static int ath6kl_cfg80211_host_sleep(struct ath6kl *ar, struct ath6kl_vif *vif) 2071055bde49SRaja Mani { 2072055bde49SRaja Mani int ret, left; 2073055bde49SRaja Mani 2074055bde49SRaja Mani clear_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags); 2075055bde49SRaja Mani 2076055bde49SRaja Mani ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, 2077055bde49SRaja Mani ATH6KL_HOST_MODE_ASLEEP); 2078055bde49SRaja Mani if (ret) 2079055bde49SRaja Mani return ret; 2080055bde49SRaja Mani 2081055bde49SRaja Mani left = wait_event_interruptible_timeout(ar->event_wq, 2082055bde49SRaja Mani is_hsleep_mode_procsed(vif), 2083055bde49SRaja Mani WMI_TIMEOUT); 2084055bde49SRaja Mani if (left == 0) { 2085055bde49SRaja Mani ath6kl_warn("timeout, didn't get host sleep cmd processed event\n"); 2086055bde49SRaja Mani ret = -ETIMEDOUT; 2087055bde49SRaja Mani } else if (left < 0) { 2088055bde49SRaja Mani ath6kl_warn("error while waiting for host sleep cmd processed event %d\n", 2089055bde49SRaja Mani left); 2090055bde49SRaja Mani ret = left; 2091055bde49SRaja Mani } 2092055bde49SRaja Mani 2093055bde49SRaja Mani if (ar->tx_pending[ar->ctrl_ep]) { 2094055bde49SRaja Mani left = wait_event_interruptible_timeout(ar->event_wq, 2095055bde49SRaja Mani is_ctrl_ep_empty(ar), 2096055bde49SRaja Mani WMI_TIMEOUT); 2097055bde49SRaja Mani if (left == 0) { 2098055bde49SRaja Mani ath6kl_warn("clear wmi ctrl data timeout\n"); 2099055bde49SRaja Mani ret = -ETIMEDOUT; 2100055bde49SRaja Mani } else if (left < 0) { 2101055bde49SRaja Mani ath6kl_warn("clear wmi ctrl data failed: %d\n", left); 2102055bde49SRaja Mani ret = left; 2103055bde49SRaja Mani } 2104055bde49SRaja Mani } 2105055bde49SRaja Mani 2106055bde49SRaja Mani return ret; 2107055bde49SRaja Mani } 2108055bde49SRaja Mani 2109d91e8eeeSRaja Mani static int ath6kl_wow_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow) 2110d91e8eeeSRaja Mani { 2111d91e8eeeSRaja Mani struct in_device *in_dev; 2112d91e8eeeSRaja Mani struct in_ifaddr *ifa; 2113d91e8eeeSRaja Mani struct ath6kl_vif *vif; 2114055bde49SRaja Mani int ret; 2115d91e8eeeSRaja Mani u32 filter = 0; 2116ce0dc0cfSRaja Mani u16 i, bmiss_time; 2117d91e8eeeSRaja Mani u8 index = 0; 2118d91e8eeeSRaja Mani __be32 ips[MAX_IP_ADDRS]; 2119d91e8eeeSRaja Mani 212077ed4e45SThomas Pedersen /* The FW currently can't support multi-vif WoW properly. */ 212177ed4e45SThomas Pedersen if (ar->num_vif > 1) 212277ed4e45SThomas Pedersen return -EIO; 212377ed4e45SThomas Pedersen 2124d91e8eeeSRaja Mani vif = ath6kl_vif_first(ar); 2125d91e8eeeSRaja Mani if (!vif) 2126d91e8eeeSRaja Mani return -EIO; 2127d91e8eeeSRaja Mani 2128d91e8eeeSRaja Mani if (!ath6kl_cfg80211_ready(vif)) 2129d91e8eeeSRaja Mani return -EIO; 2130d91e8eeeSRaja Mani 2131d91e8eeeSRaja Mani if (!test_bit(CONNECTED, &vif->flags)) 21323c411a43SRaja Mani return -ENOTCONN; 2133d91e8eeeSRaja Mani 2134d91e8eeeSRaja Mani if (wow && (wow->n_patterns > WOW_MAX_FILTERS_PER_LIST)) 2135d91e8eeeSRaja Mani return -EINVAL; 2136d91e8eeeSRaja Mani 21376821d4f0SNaveen Gangadharan if (!test_bit(NETDEV_MCAST_ALL_ON, &vif->flags) && 21386821d4f0SNaveen Gangadharan test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER, 21396821d4f0SNaveen Gangadharan ar->fw_capabilities)) { 21406251d801SNaveen Gangadharan ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi, 21416251d801SNaveen Gangadharan vif->fw_vif_idx, false); 21426251d801SNaveen Gangadharan if (ret) 21436251d801SNaveen Gangadharan return ret; 21446251d801SNaveen Gangadharan } 21456251d801SNaveen Gangadharan 2146d91e8eeeSRaja Mani /* Clear existing WOW patterns */ 2147d91e8eeeSRaja Mani for (i = 0; i < WOW_MAX_FILTERS_PER_LIST; i++) 2148d91e8eeeSRaja Mani ath6kl_wmi_del_wow_pattern_cmd(ar->wmi, vif->fw_vif_idx, 2149d91e8eeeSRaja Mani WOW_LIST_ID, i); 2150d91e8eeeSRaja Mani 2151d91e8eeeSRaja Mani /* 2152d91e8eeeSRaja Mani * Skip the default WOW pattern configuration 2153d91e8eeeSRaja Mani * if the driver receives any WOW patterns from 2154d91e8eeeSRaja Mani * the user. 2155d91e8eeeSRaja Mani */ 2156d91e8eeeSRaja Mani if (wow) 2157d91e8eeeSRaja Mani ret = ath6kl_wow_usr(ar, vif, wow, &filter); 2158d91e8eeeSRaja Mani else if (vif->nw_type == AP_NETWORK) 2159d91e8eeeSRaja Mani ret = ath6kl_wow_ap(ar, vif); 2160d91e8eeeSRaja Mani else 2161d91e8eeeSRaja Mani ret = ath6kl_wow_sta(ar, vif); 2162d91e8eeeSRaja Mani 2163d91e8eeeSRaja Mani if (ret) 2164d91e8eeeSRaja Mani return ret; 2165d91e8eeeSRaja Mani 2166390a8c8fSRaja Mani netif_stop_queue(vif->ndev); 2167390a8c8fSRaja Mani 2168ce0dc0cfSRaja Mani if (vif->nw_type != AP_NETWORK) { 2169ce0dc0cfSRaja Mani ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx, 2170ce0dc0cfSRaja Mani ATH6KL_MAX_WOW_LISTEN_INTL, 2171ce0dc0cfSRaja Mani 0); 2172ce0dc0cfSRaja Mani if (ret) 2173ce0dc0cfSRaja Mani return ret; 2174ce0dc0cfSRaja Mani 2175ce0dc0cfSRaja Mani /* Set listen interval x 15 times as bmiss time */ 2176ce0dc0cfSRaja Mani bmiss_time = ATH6KL_MAX_WOW_LISTEN_INTL * 15; 2177ce0dc0cfSRaja Mani if (bmiss_time > ATH6KL_MAX_BMISS_TIME) 2178ce0dc0cfSRaja Mani bmiss_time = ATH6KL_MAX_BMISS_TIME; 2179ce0dc0cfSRaja Mani 2180ce0dc0cfSRaja Mani ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx, 2181ce0dc0cfSRaja Mani bmiss_time, 0); 2182ce0dc0cfSRaja Mani if (ret) 2183ce0dc0cfSRaja Mani return ret; 2184ce0dc0cfSRaja Mani 2185ce0dc0cfSRaja Mani ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 2186ce0dc0cfSRaja Mani 0xFFFF, 0, 0xFFFF, 0, 0, 0, 2187ce0dc0cfSRaja Mani 0, 0, 0, 0); 2188ce0dc0cfSRaja Mani if (ret) 2189ce0dc0cfSRaja Mani return ret; 2190ce0dc0cfSRaja Mani } 2191ce0dc0cfSRaja Mani 2192390a8c8fSRaja Mani ar->state = ATH6KL_STATE_SUSPENDING; 2193390a8c8fSRaja Mani 2194c08631c6SRaja Mani /* Setup own IP addr for ARP agent. */ 2195c08631c6SRaja Mani in_dev = __in_dev_get_rtnl(vif->ndev); 2196c08631c6SRaja Mani if (!in_dev) 2197c08631c6SRaja Mani goto skip_arp; 2198c08631c6SRaja Mani 2199c08631c6SRaja Mani ifa = in_dev->ifa_list; 2200c08631c6SRaja Mani memset(&ips, 0, sizeof(ips)); 2201c08631c6SRaja Mani 2202c08631c6SRaja Mani /* Configure IP addr only if IP address count < MAX_IP_ADDRS */ 2203c08631c6SRaja Mani while (index < MAX_IP_ADDRS && ifa) { 2204c08631c6SRaja Mani ips[index] = ifa->ifa_local; 2205c08631c6SRaja Mani ifa = ifa->ifa_next; 2206c08631c6SRaja Mani index++; 2207c08631c6SRaja Mani } 2208c08631c6SRaja Mani 2209c08631c6SRaja Mani if (ifa) { 2210c08631c6SRaja Mani ath6kl_err("total IP addr count is exceeding fw limit\n"); 2211c08631c6SRaja Mani return -EINVAL; 2212c08631c6SRaja Mani } 2213c08631c6SRaja Mani 2214c08631c6SRaja Mani ret = ath6kl_wmi_set_ip_cmd(ar->wmi, vif->fw_vif_idx, ips[0], ips[1]); 2215c08631c6SRaja Mani if (ret) { 2216c08631c6SRaja Mani ath6kl_err("fail to setup ip for arp agent\n"); 2217c08631c6SRaja Mani return ret; 2218c08631c6SRaja Mani } 2219c08631c6SRaja Mani 2220c08631c6SRaja Mani skip_arp: 22216cb3c714SRaja Mani ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx, 22226cb3c714SRaja Mani ATH6KL_WOW_MODE_ENABLE, 22236cb3c714SRaja Mani filter, 22246cb3c714SRaja Mani WOW_HOST_REQ_DELAY); 22256cb3c714SRaja Mani if (ret) 22266cb3c714SRaja Mani return ret; 22276cb3c714SRaja Mani 2228055bde49SRaja Mani ret = ath6kl_cfg80211_host_sleep(ar, vif); 22296cb3c714SRaja Mani if (ret) 22306cb3c714SRaja Mani return ret; 22316cb3c714SRaja Mani 2232055bde49SRaja Mani return 0; 22336cb3c714SRaja Mani } 22346cb3c714SRaja Mani 22356cb3c714SRaja Mani static int ath6kl_wow_resume(struct ath6kl *ar) 22366cb3c714SRaja Mani { 22376cb3c714SRaja Mani struct ath6kl_vif *vif; 22386cb3c714SRaja Mani int ret; 22396cb3c714SRaja Mani 22406cb3c714SRaja Mani vif = ath6kl_vif_first(ar); 22416cb3c714SRaja Mani if (!vif) 22426cb3c714SRaja Mani return -EIO; 22436cb3c714SRaja Mani 2244390a8c8fSRaja Mani ar->state = ATH6KL_STATE_RESUMING; 2245390a8c8fSRaja Mani 22466cb3c714SRaja Mani ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, 22476cb3c714SRaja Mani ATH6KL_HOST_MODE_AWAKE); 2248390a8c8fSRaja Mani if (ret) { 2249cdeb8602SKalle Valo ath6kl_warn("Failed to configure host sleep mode for wow resume: %d\n", 2250cdeb8602SKalle Valo ret); 2251390a8c8fSRaja Mani ar->state = ATH6KL_STATE_WOW; 22526cb3c714SRaja Mani return ret; 22536cb3c714SRaja Mani } 22546cb3c714SRaja Mani 2255ce0dc0cfSRaja Mani if (vif->nw_type != AP_NETWORK) { 2256ce0dc0cfSRaja Mani ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 2257ce0dc0cfSRaja Mani 0, 0, 0, 0, 0, 0, 3, 0, 0, 0); 2258ce0dc0cfSRaja Mani if (ret) 2259ce0dc0cfSRaja Mani return ret; 2260ce0dc0cfSRaja Mani 2261ce0dc0cfSRaja Mani ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx, 2262ce0dc0cfSRaja Mani vif->listen_intvl_t, 0); 2263ce0dc0cfSRaja Mani if (ret) 2264ce0dc0cfSRaja Mani return ret; 2265ce0dc0cfSRaja Mani 2266ce0dc0cfSRaja Mani ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx, 2267ce0dc0cfSRaja Mani vif->bmiss_time_t, 0); 2268ce0dc0cfSRaja Mani if (ret) 2269ce0dc0cfSRaja Mani return ret; 2270ce0dc0cfSRaja Mani } 2271ce0dc0cfSRaja Mani 2272390a8c8fSRaja Mani ar->state = ATH6KL_STATE_ON; 2273390a8c8fSRaja Mani 22746821d4f0SNaveen Gangadharan if (!test_bit(NETDEV_MCAST_ALL_OFF, &vif->flags) && 22756821d4f0SNaveen Gangadharan test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER, 22766821d4f0SNaveen Gangadharan ar->fw_capabilities)) { 22776251d801SNaveen Gangadharan ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi, 22786251d801SNaveen Gangadharan vif->fw_vif_idx, true); 22796251d801SNaveen Gangadharan if (ret) 22806251d801SNaveen Gangadharan return ret; 22816251d801SNaveen Gangadharan } 22826251d801SNaveen Gangadharan 2283390a8c8fSRaja Mani netif_wake_queue(vif->ndev); 2284390a8c8fSRaja Mani 2285390a8c8fSRaja Mani return 0; 2286390a8c8fSRaja Mani } 2287390a8c8fSRaja Mani 228840abc2deSRaja Mani static int ath6kl_cfg80211_deepsleep_suspend(struct ath6kl *ar) 228940abc2deSRaja Mani { 229040abc2deSRaja Mani struct ath6kl_vif *vif; 229140abc2deSRaja Mani int ret; 229240abc2deSRaja Mani 229340abc2deSRaja Mani vif = ath6kl_vif_first(ar); 229440abc2deSRaja Mani if (!vif) 229540abc2deSRaja Mani return -EIO; 229640abc2deSRaja Mani 229748f27587SMing Jiang if (!test_bit(WMI_READY, &ar->flag)) { 229848f27587SMing Jiang ath6kl_err("deepsleep failed as wmi is not ready\n"); 229940abc2deSRaja Mani return -EIO; 230048f27587SMing Jiang } 230140abc2deSRaja Mani 230240abc2deSRaja Mani ath6kl_cfg80211_stop_all(ar); 230340abc2deSRaja Mani 230440abc2deSRaja Mani /* Save the current power mode before enabling power save */ 230540abc2deSRaja Mani ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode; 230640abc2deSRaja Mani 230740abc2deSRaja Mani ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER); 230840abc2deSRaja Mani if (ret) 230940abc2deSRaja Mani return ret; 231040abc2deSRaja Mani 231140abc2deSRaja Mani /* Disable WOW mode */ 231240abc2deSRaja Mani ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx, 231340abc2deSRaja Mani ATH6KL_WOW_MODE_DISABLE, 231440abc2deSRaja Mani 0, 0); 231540abc2deSRaja Mani if (ret) 231640abc2deSRaja Mani return ret; 231740abc2deSRaja Mani 231840abc2deSRaja Mani /* Flush all non control pkts in TX path */ 231940abc2deSRaja Mani ath6kl_tx_data_cleanup(ar); 232040abc2deSRaja Mani 232140abc2deSRaja Mani ret = ath6kl_cfg80211_host_sleep(ar, vif); 232240abc2deSRaja Mani if (ret) 232340abc2deSRaja Mani return ret; 232440abc2deSRaja Mani 232540abc2deSRaja Mani return 0; 232640abc2deSRaja Mani } 232740abc2deSRaja Mani 232840abc2deSRaja Mani static int ath6kl_cfg80211_deepsleep_resume(struct ath6kl *ar) 232940abc2deSRaja Mani { 233040abc2deSRaja Mani struct ath6kl_vif *vif; 233140abc2deSRaja Mani int ret; 233240abc2deSRaja Mani 233340abc2deSRaja Mani vif = ath6kl_vif_first(ar); 233440abc2deSRaja Mani 233540abc2deSRaja Mani if (!vif) 233640abc2deSRaja Mani return -EIO; 233740abc2deSRaja Mani 233840abc2deSRaja Mani if (ar->wmi->pwr_mode != ar->wmi->saved_pwr_mode) { 233940abc2deSRaja Mani ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, 234040abc2deSRaja Mani ar->wmi->saved_pwr_mode); 234140abc2deSRaja Mani if (ret) 234240abc2deSRaja Mani return ret; 234340abc2deSRaja Mani } 234440abc2deSRaja Mani 234540abc2deSRaja Mani ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, 234640abc2deSRaja Mani ATH6KL_HOST_MODE_AWAKE); 234740abc2deSRaja Mani if (ret) 234840abc2deSRaja Mani return ret; 234940abc2deSRaja Mani 235040abc2deSRaja Mani ar->state = ATH6KL_STATE_ON; 235140abc2deSRaja Mani 235240abc2deSRaja Mani /* Reset scan parameter to default values */ 235340abc2deSRaja Mani ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 235440abc2deSRaja Mani 0, 0, 0, 0, 0, 0, 3, 0, 0, 0); 235540abc2deSRaja Mani if (ret) 235640abc2deSRaja Mani return ret; 235740abc2deSRaja Mani 235840abc2deSRaja Mani return 0; 235940abc2deSRaja Mani } 236040abc2deSRaja Mani 236152d81a68SKalle Valo int ath6kl_cfg80211_suspend(struct ath6kl *ar, 23620f60e9f4SRaja Mani enum ath6kl_cfg_suspend_mode mode, 23630f60e9f4SRaja Mani struct cfg80211_wowlan *wow) 236452d81a68SKalle Valo { 23653d79499cSVivek Natarajan struct ath6kl_vif *vif; 2366390a8c8fSRaja Mani enum ath6kl_state prev_state; 236752d81a68SKalle Valo int ret; 236852d81a68SKalle Valo 236952d81a68SKalle Valo switch (mode) { 2370d7c44e0bSRaja Mani case ATH6KL_CFG_SUSPEND_WOW: 2371d7c44e0bSRaja Mani 2372d7c44e0bSRaja Mani ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode suspend\n"); 2373d7c44e0bSRaja Mani 2374d7c44e0bSRaja Mani /* Flush all non control pkts in TX path */ 2375d7c44e0bSRaja Mani ath6kl_tx_data_cleanup(ar); 2376d7c44e0bSRaja Mani 2377390a8c8fSRaja Mani prev_state = ar->state; 2378390a8c8fSRaja Mani 2379d7c44e0bSRaja Mani ret = ath6kl_wow_suspend(ar, wow); 2380390a8c8fSRaja Mani if (ret) { 2381390a8c8fSRaja Mani ar->state = prev_state; 2382d7c44e0bSRaja Mani return ret; 2383390a8c8fSRaja Mani } 23841e9a905dSRaja Mani 2385d7c44e0bSRaja Mani ar->state = ATH6KL_STATE_WOW; 2386d7c44e0bSRaja Mani break; 2387d7c44e0bSRaja Mani 238852d81a68SKalle Valo case ATH6KL_CFG_SUSPEND_DEEPSLEEP: 2389524441e3SRaja Mani 239040abc2deSRaja Mani ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep suspend\n"); 2391524441e3SRaja Mani 239240abc2deSRaja Mani ret = ath6kl_cfg80211_deepsleep_suspend(ar); 239352d81a68SKalle Valo if (ret) { 239440abc2deSRaja Mani ath6kl_err("deepsleep suspend failed: %d\n", ret); 239540abc2deSRaja Mani return ret; 239652d81a68SKalle Valo } 239752d81a68SKalle Valo 239876a9fbe2SKalle Valo ar->state = ATH6KL_STATE_DEEPSLEEP; 239976a9fbe2SKalle Valo 240052d81a68SKalle Valo break; 2401b4b2a0b1SKalle Valo 2402b4b2a0b1SKalle Valo case ATH6KL_CFG_SUSPEND_CUTPOWER: 2403524441e3SRaja Mani 24047125f01dSKalle Valo ath6kl_cfg80211_stop_all(ar); 2405524441e3SRaja Mani 2406b4b2a0b1SKalle Valo if (ar->state == ATH6KL_STATE_OFF) { 2407b4b2a0b1SKalle Valo ath6kl_dbg(ATH6KL_DBG_SUSPEND, 2408b4b2a0b1SKalle Valo "suspend hw off, no action for cutpower\n"); 2409b4b2a0b1SKalle Valo break; 2410b4b2a0b1SKalle Valo } 2411b4b2a0b1SKalle Valo 2412b4b2a0b1SKalle Valo ath6kl_dbg(ATH6KL_DBG_SUSPEND, "suspend cutting power\n"); 2413b4b2a0b1SKalle Valo 2414b4b2a0b1SKalle Valo ret = ath6kl_init_hw_stop(ar); 2415b4b2a0b1SKalle Valo if (ret) { 2416b4b2a0b1SKalle Valo ath6kl_warn("failed to stop hw during suspend: %d\n", 2417b4b2a0b1SKalle Valo ret); 2418b4b2a0b1SKalle Valo } 2419b4b2a0b1SKalle Valo 2420b4b2a0b1SKalle Valo ar->state = ATH6KL_STATE_CUTPOWER; 2421b4b2a0b1SKalle Valo 2422b4b2a0b1SKalle Valo break; 2423b4b2a0b1SKalle Valo 242410509f90SKalle Valo case ATH6KL_CFG_SUSPEND_SCHED_SCAN: 242510509f90SKalle Valo /* 242610509f90SKalle Valo * Nothing needed for schedule scan, firmware is already in 242710509f90SKalle Valo * wow mode and sleeping most of the time. 242810509f90SKalle Valo */ 242910509f90SKalle Valo break; 243010509f90SKalle Valo 2431b4b2a0b1SKalle Valo default: 2432b4b2a0b1SKalle Valo break; 243352d81a68SKalle Valo } 243452d81a68SKalle Valo 24353d79499cSVivek Natarajan list_for_each_entry(vif, &ar->vif_list, list) 24363d79499cSVivek Natarajan ath6kl_cfg80211_scan_complete_event(vif, true); 24373d79499cSVivek Natarajan 243852d81a68SKalle Valo return 0; 243952d81a68SKalle Valo } 2440d6a434d6SKalle Valo EXPORT_SYMBOL(ath6kl_cfg80211_suspend); 244152d81a68SKalle Valo 244252d81a68SKalle Valo int ath6kl_cfg80211_resume(struct ath6kl *ar) 244352d81a68SKalle Valo { 244476a9fbe2SKalle Valo int ret; 244576a9fbe2SKalle Valo 244676a9fbe2SKalle Valo switch (ar->state) { 2447d7c44e0bSRaja Mani case ATH6KL_STATE_WOW: 2448d7c44e0bSRaja Mani ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode resume\n"); 2449d7c44e0bSRaja Mani 2450d7c44e0bSRaja Mani ret = ath6kl_wow_resume(ar); 2451d7c44e0bSRaja Mani if (ret) { 2452d7c44e0bSRaja Mani ath6kl_warn("wow mode resume failed: %d\n", ret); 2453d7c44e0bSRaja Mani return ret; 2454d7c44e0bSRaja Mani } 2455d7c44e0bSRaja Mani 2456d7c44e0bSRaja Mani break; 2457d7c44e0bSRaja Mani 245876a9fbe2SKalle Valo case ATH6KL_STATE_DEEPSLEEP: 245940abc2deSRaja Mani ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep resume\n"); 246040abc2deSRaja Mani 246140abc2deSRaja Mani ret = ath6kl_cfg80211_deepsleep_resume(ar); 246276a9fbe2SKalle Valo if (ret) { 246340abc2deSRaja Mani ath6kl_warn("deep sleep resume failed: %d\n", ret); 246440abc2deSRaja Mani return ret; 246576a9fbe2SKalle Valo } 246676a9fbe2SKalle Valo break; 246776a9fbe2SKalle Valo 2468b4b2a0b1SKalle Valo case ATH6KL_STATE_CUTPOWER: 2469b4b2a0b1SKalle Valo ath6kl_dbg(ATH6KL_DBG_SUSPEND, "resume restoring power\n"); 2470b4b2a0b1SKalle Valo 2471b4b2a0b1SKalle Valo ret = ath6kl_init_hw_start(ar); 2472b4b2a0b1SKalle Valo if (ret) { 2473b4b2a0b1SKalle Valo ath6kl_warn("Failed to boot hw in resume: %d\n", ret); 2474b4b2a0b1SKalle Valo return ret; 2475b4b2a0b1SKalle Valo } 2476d7c44e0bSRaja Mani break; 2477b4b2a0b1SKalle Valo 247810509f90SKalle Valo case ATH6KL_STATE_SCHED_SCAN: 247910509f90SKalle Valo break; 248010509f90SKalle Valo 248176a9fbe2SKalle Valo default: 248276a9fbe2SKalle Valo break; 248352d81a68SKalle Valo } 248452d81a68SKalle Valo 248552d81a68SKalle Valo return 0; 248652d81a68SKalle Valo } 2487d6a434d6SKalle Valo EXPORT_SYMBOL(ath6kl_cfg80211_resume); 248852d81a68SKalle Valo 2489abcb344bSKalle Valo #ifdef CONFIG_PM 249052d81a68SKalle Valo 249152d81a68SKalle Valo /* hif layer decides what suspend mode to use */ 249252d81a68SKalle Valo static int __ath6kl_cfg80211_suspend(struct wiphy *wiphy, 2493abcb344bSKalle Valo struct cfg80211_wowlan *wow) 2494abcb344bSKalle Valo { 2495abcb344bSKalle Valo struct ath6kl *ar = wiphy_priv(wiphy); 2496abcb344bSKalle Valo 24970f60e9f4SRaja Mani return ath6kl_hif_suspend(ar, wow); 2498abcb344bSKalle Valo } 2499aa6cffc1SChilam Ng 250052d81a68SKalle Valo static int __ath6kl_cfg80211_resume(struct wiphy *wiphy) 2501aa6cffc1SChilam Ng { 2502aa6cffc1SChilam Ng struct ath6kl *ar = wiphy_priv(wiphy); 2503aa6cffc1SChilam Ng 2504aa6cffc1SChilam Ng return ath6kl_hif_resume(ar); 2505aa6cffc1SChilam Ng } 2506a918fb3cSRaja Mani 2507a918fb3cSRaja Mani /* 2508a918fb3cSRaja Mani * FIXME: WOW suspend mode is selected if the host sdio controller supports 2509a918fb3cSRaja Mani * both sdio irq wake up and keep power. The target pulls sdio data line to 2510a918fb3cSRaja Mani * wake up the host when WOW pattern matches. This causes sdio irq handler 2511a918fb3cSRaja Mani * is being called in the host side which internally hits ath6kl's RX path. 2512a918fb3cSRaja Mani * 2513a918fb3cSRaja Mani * Since sdio interrupt is not disabled, RX path executes even before 2514a918fb3cSRaja Mani * the host executes the actual resume operation from PM module. 2515a918fb3cSRaja Mani * 2516a918fb3cSRaja Mani * In the current scenario, WOW resume should happen before start processing 2517a918fb3cSRaja Mani * any data from the target. So It's required to perform WOW resume in RX path. 2518a918fb3cSRaja Mani * Ideally we should perform WOW resume only in the actual platform 2519a918fb3cSRaja Mani * resume path. This area needs bit rework to avoid WOW resume in RX path. 2520a918fb3cSRaja Mani * 2521a918fb3cSRaja Mani * ath6kl_check_wow_status() is called from ath6kl_rx(). 2522a918fb3cSRaja Mani */ 2523a918fb3cSRaja Mani void ath6kl_check_wow_status(struct ath6kl *ar) 2524a918fb3cSRaja Mani { 2525390a8c8fSRaja Mani if (ar->state == ATH6KL_STATE_SUSPENDING) 2526390a8c8fSRaja Mani return; 2527390a8c8fSRaja Mani 2528a918fb3cSRaja Mani if (ar->state == ATH6KL_STATE_WOW) 2529a918fb3cSRaja Mani ath6kl_cfg80211_resume(ar); 2530a918fb3cSRaja Mani } 2531a918fb3cSRaja Mani 2532a918fb3cSRaja Mani #else 2533a918fb3cSRaja Mani 2534a918fb3cSRaja Mani void ath6kl_check_wow_status(struct ath6kl *ar) 2535a918fb3cSRaja Mani { 2536a918fb3cSRaja Mani } 2537abcb344bSKalle Valo #endif 2538abcb344bSKalle Valo 2539df90b369SVasanthakumar Thiagarajan static int ath6kl_set_htcap(struct ath6kl_vif *vif, enum ieee80211_band band, 2540df90b369SVasanthakumar Thiagarajan bool ht_enable) 25416a7c9badSJouni Malinen { 254267b3f129SKiran Reddy struct ath6kl_htcap *htcap = &vif->htcap[band]; 2543e68f6750SSujith Manoharan 2544df90b369SVasanthakumar Thiagarajan if (htcap->ht_enable == ht_enable) 25456a7c9badSJouni Malinen return 0; 2546df90b369SVasanthakumar Thiagarajan 2547df90b369SVasanthakumar Thiagarajan if (ht_enable) { 2548df90b369SVasanthakumar Thiagarajan /* Set default ht capabilities */ 2549df90b369SVasanthakumar Thiagarajan htcap->ht_enable = true; 2550df90b369SVasanthakumar Thiagarajan htcap->cap_info = (band == IEEE80211_BAND_2GHZ) ? 2551df90b369SVasanthakumar Thiagarajan ath6kl_g_htcap : ath6kl_a_htcap; 2552df90b369SVasanthakumar Thiagarajan htcap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K; 2553df90b369SVasanthakumar Thiagarajan } else /* Disable ht */ 2554df90b369SVasanthakumar Thiagarajan memset(htcap, 0, sizeof(*htcap)); 2555df90b369SVasanthakumar Thiagarajan 2556df90b369SVasanthakumar Thiagarajan return ath6kl_wmi_set_htcap_cmd(vif->ar->wmi, vif->fw_vif_idx, 2557df90b369SVasanthakumar Thiagarajan band, htcap); 25586a7c9badSJouni Malinen } 25596a7c9badSJouni Malinen 256037a2f950SThomas Pedersen static int ath6kl_restore_htcap(struct ath6kl_vif *vif) 256137a2f950SThomas Pedersen { 256237a2f950SThomas Pedersen struct wiphy *wiphy = vif->ar->wiphy; 256337a2f950SThomas Pedersen int band, ret = 0; 256437a2f950SThomas Pedersen 256537a2f950SThomas Pedersen for (band = 0; band < IEEE80211_NUM_BANDS; band++) { 256637a2f950SThomas Pedersen if (!wiphy->bands[band]) 256737a2f950SThomas Pedersen continue; 256837a2f950SThomas Pedersen 256937a2f950SThomas Pedersen ret = ath6kl_set_htcap(vif, band, 257037a2f950SThomas Pedersen wiphy->bands[band]->ht_cap.ht_supported); 257137a2f950SThomas Pedersen if (ret) 257237a2f950SThomas Pedersen return ret; 257337a2f950SThomas Pedersen } 257437a2f950SThomas Pedersen 257537a2f950SThomas Pedersen return ret; 257637a2f950SThomas Pedersen } 257737a2f950SThomas Pedersen 25788bdfbf40SJouni Malinen static bool ath6kl_is_p2p_ie(const u8 *pos) 25798bdfbf40SJouni Malinen { 25808bdfbf40SJouni Malinen return pos[0] == WLAN_EID_VENDOR_SPECIFIC && pos[1] >= 4 && 25818bdfbf40SJouni Malinen pos[2] == 0x50 && pos[3] == 0x6f && 25828bdfbf40SJouni Malinen pos[4] == 0x9a && pos[5] == 0x09; 25838bdfbf40SJouni Malinen } 25848bdfbf40SJouni Malinen 2585334234b5SVasanthakumar Thiagarajan static int ath6kl_set_ap_probe_resp_ies(struct ath6kl_vif *vif, 2586334234b5SVasanthakumar Thiagarajan const u8 *ies, size_t ies_len) 25878bdfbf40SJouni Malinen { 2588334234b5SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 25898bdfbf40SJouni Malinen const u8 *pos; 25908bdfbf40SJouni Malinen u8 *buf = NULL; 25918bdfbf40SJouni Malinen size_t len = 0; 25928bdfbf40SJouni Malinen int ret; 25938bdfbf40SJouni Malinen 25948bdfbf40SJouni Malinen /* 25958bdfbf40SJouni Malinen * Filter out P2P IE(s) since they will be included depending on 25968bdfbf40SJouni Malinen * the Probe Request frame in ath6kl_send_go_probe_resp(). 25978bdfbf40SJouni Malinen */ 25988bdfbf40SJouni Malinen 25998bdfbf40SJouni Malinen if (ies && ies_len) { 26008bdfbf40SJouni Malinen buf = kmalloc(ies_len, GFP_KERNEL); 26018bdfbf40SJouni Malinen if (buf == NULL) 26028bdfbf40SJouni Malinen return -ENOMEM; 26038bdfbf40SJouni Malinen pos = ies; 26048bdfbf40SJouni Malinen while (pos + 1 < ies + ies_len) { 26058bdfbf40SJouni Malinen if (pos + 2 + pos[1] > ies + ies_len) 26068bdfbf40SJouni Malinen break; 26078bdfbf40SJouni Malinen if (!ath6kl_is_p2p_ie(pos)) { 26088bdfbf40SJouni Malinen memcpy(buf + len, pos, 2 + pos[1]); 26098bdfbf40SJouni Malinen len += 2 + pos[1]; 26108bdfbf40SJouni Malinen } 26118bdfbf40SJouni Malinen pos += 2 + pos[1]; 26128bdfbf40SJouni Malinen } 26138bdfbf40SJouni Malinen } 26148bdfbf40SJouni Malinen 2615334234b5SVasanthakumar Thiagarajan ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 2616334234b5SVasanthakumar Thiagarajan WMI_FRAME_PROBE_RESP, buf, len); 26178bdfbf40SJouni Malinen kfree(buf); 26188bdfbf40SJouni Malinen return ret; 26198bdfbf40SJouni Malinen } 26208bdfbf40SJouni Malinen 26218860020eSJohannes Berg static int ath6kl_set_ies(struct ath6kl_vif *vif, 26228860020eSJohannes Berg struct cfg80211_beacon_data *info) 26238860020eSJohannes Berg { 26248860020eSJohannes Berg struct ath6kl *ar = vif->ar; 26258860020eSJohannes Berg int res; 26268860020eSJohannes Berg 262717a7b16dSAarthi Thiruvengadam /* this also clears IE in fw if it's not set */ 26288860020eSJohannes Berg res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 26298860020eSJohannes Berg WMI_FRAME_BEACON, 26308860020eSJohannes Berg info->beacon_ies, 26318860020eSJohannes Berg info->beacon_ies_len); 26328860020eSJohannes Berg if (res) 26338860020eSJohannes Berg return res; 26348860020eSJohannes Berg 263517a7b16dSAarthi Thiruvengadam /* this also clears IE in fw if it's not set */ 26368860020eSJohannes Berg res = ath6kl_set_ap_probe_resp_ies(vif, info->proberesp_ies, 26378860020eSJohannes Berg info->proberesp_ies_len); 26388860020eSJohannes Berg if (res) 26398860020eSJohannes Berg return res; 26408860020eSJohannes Berg 264117a7b16dSAarthi Thiruvengadam /* this also clears IE in fw if it's not set */ 26428860020eSJohannes Berg res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 26438860020eSJohannes Berg WMI_FRAME_ASSOC_RESP, 26448860020eSJohannes Berg info->assocresp_ies, 26458860020eSJohannes Berg info->assocresp_ies_len); 26468860020eSJohannes Berg if (res) 26478860020eSJohannes Berg return res; 26488860020eSJohannes Berg 26498860020eSJohannes Berg return 0; 26508860020eSJohannes Berg } 26518860020eSJohannes Berg 2652c422d52dSThomas Pedersen void ath6kl_cfg80211_sta_bmiss_enhance(struct ath6kl_vif *vif, bool enable) 2653c422d52dSThomas Pedersen { 2654c422d52dSThomas Pedersen int err; 2655c422d52dSThomas Pedersen 2656c422d52dSThomas Pedersen if (WARN_ON(!test_bit(WMI_READY, &vif->ar->flag))) 2657c422d52dSThomas Pedersen return; 2658c422d52dSThomas Pedersen 2659c422d52dSThomas Pedersen if (vif->nw_type != INFRA_NETWORK) 2660c422d52dSThomas Pedersen return; 2661c422d52dSThomas Pedersen 2662c422d52dSThomas Pedersen if (!test_bit(ATH6KL_FW_CAPABILITY_BMISS_ENHANCE, 2663c422d52dSThomas Pedersen vif->ar->fw_capabilities)) 2664c422d52dSThomas Pedersen return; 2665c422d52dSThomas Pedersen 2666c422d52dSThomas Pedersen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s fw bmiss enhance\n", 2667c422d52dSThomas Pedersen enable ? "enable" : "disable"); 2668c422d52dSThomas Pedersen 2669c422d52dSThomas Pedersen err = ath6kl_wmi_sta_bmiss_enhance_cmd(vif->ar->wmi, 2670c422d52dSThomas Pedersen vif->fw_vif_idx, enable); 2671c422d52dSThomas Pedersen if (err) 2672c422d52dSThomas Pedersen ath6kl_err("failed to %s enhanced bmiss detection: %d\n", 2673c422d52dSThomas Pedersen enable ? "enable" : "disable", err); 2674c422d52dSThomas Pedersen } 2675c422d52dSThomas Pedersen 2676d97c121bSVasanthakumar Thiagarajan static int ath6kl_get_rsn_capab(struct cfg80211_beacon_data *beacon, 2677d97c121bSVasanthakumar Thiagarajan u8 *rsn_capab) 2678d97c121bSVasanthakumar Thiagarajan { 2679d97c121bSVasanthakumar Thiagarajan const u8 *rsn_ie; 2680d97c121bSVasanthakumar Thiagarajan size_t rsn_ie_len; 2681d97c121bSVasanthakumar Thiagarajan u16 cnt; 2682d97c121bSVasanthakumar Thiagarajan 2683d97c121bSVasanthakumar Thiagarajan if (!beacon->tail) 2684d97c121bSVasanthakumar Thiagarajan return -EINVAL; 2685d97c121bSVasanthakumar Thiagarajan 2686d97c121bSVasanthakumar Thiagarajan rsn_ie = cfg80211_find_ie(WLAN_EID_RSN, beacon->tail, beacon->tail_len); 2687d97c121bSVasanthakumar Thiagarajan if (!rsn_ie) 2688d97c121bSVasanthakumar Thiagarajan return -EINVAL; 2689d97c121bSVasanthakumar Thiagarajan 2690d97c121bSVasanthakumar Thiagarajan rsn_ie_len = *(rsn_ie + 1); 2691d97c121bSVasanthakumar Thiagarajan /* skip element id and length */ 2692d97c121bSVasanthakumar Thiagarajan rsn_ie += 2; 2693d97c121bSVasanthakumar Thiagarajan 26949e8b16dbSVasanthakumar Thiagarajan /* skip version */ 26959e8b16dbSVasanthakumar Thiagarajan if (rsn_ie_len < 2) 2696d97c121bSVasanthakumar Thiagarajan return -EINVAL; 26979e8b16dbSVasanthakumar Thiagarajan rsn_ie += 2; 26989e8b16dbSVasanthakumar Thiagarajan rsn_ie_len -= 2; 26999e8b16dbSVasanthakumar Thiagarajan 27009e8b16dbSVasanthakumar Thiagarajan /* skip group cipher suite */ 27019e8b16dbSVasanthakumar Thiagarajan if (rsn_ie_len < 4) 27029e8b16dbSVasanthakumar Thiagarajan return 0; 27039e8b16dbSVasanthakumar Thiagarajan rsn_ie += 4; 27049e8b16dbSVasanthakumar Thiagarajan rsn_ie_len -= 4; 2705d97c121bSVasanthakumar Thiagarajan 2706d97c121bSVasanthakumar Thiagarajan /* skip pairwise cipher suite */ 2707d97c121bSVasanthakumar Thiagarajan if (rsn_ie_len < 2) 27089e8b16dbSVasanthakumar Thiagarajan return 0; 2709798985c6SVasanthakumar Thiagarajan cnt = get_unaligned_le16(rsn_ie); 2710d97c121bSVasanthakumar Thiagarajan rsn_ie += (2 + cnt * 4); 2711d97c121bSVasanthakumar Thiagarajan rsn_ie_len -= (2 + cnt * 4); 2712d97c121bSVasanthakumar Thiagarajan 2713d97c121bSVasanthakumar Thiagarajan /* skip akm suite */ 2714d97c121bSVasanthakumar Thiagarajan if (rsn_ie_len < 2) 27159e8b16dbSVasanthakumar Thiagarajan return 0; 2716798985c6SVasanthakumar Thiagarajan cnt = get_unaligned_le16(rsn_ie); 2717d97c121bSVasanthakumar Thiagarajan rsn_ie += (2 + cnt * 4); 2718d97c121bSVasanthakumar Thiagarajan rsn_ie_len -= (2 + cnt * 4); 2719d97c121bSVasanthakumar Thiagarajan 2720d97c121bSVasanthakumar Thiagarajan if (rsn_ie_len < 2) 27219e8b16dbSVasanthakumar Thiagarajan return 0; 2722d97c121bSVasanthakumar Thiagarajan 2723d97c121bSVasanthakumar Thiagarajan memcpy(rsn_capab, rsn_ie, 2); 2724d97c121bSVasanthakumar Thiagarajan 2725d97c121bSVasanthakumar Thiagarajan return 0; 2726d97c121bSVasanthakumar Thiagarajan } 2727d97c121bSVasanthakumar Thiagarajan 27288860020eSJohannes Berg static int ath6kl_start_ap(struct wiphy *wiphy, struct net_device *dev, 27298860020eSJohannes Berg struct cfg80211_ap_settings *info) 27306a7c9badSJouni Malinen { 27316a7c9badSJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 27323450334fSVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 27336a7c9badSJouni Malinen struct ieee80211_mgmt *mgmt; 273467cd22e4SThomas Pedersen bool hidden = false; 27356a7c9badSJouni Malinen u8 *ies; 27366a7c9badSJouni Malinen int ies_len; 27376a7c9badSJouni Malinen struct wmi_connect_cmd p; 27386a7c9badSJouni Malinen int res; 2739be5abaafSVasanthakumar Thiagarajan int i, ret; 2740d97c121bSVasanthakumar Thiagarajan u16 rsn_capab = 0; 27416a7c9badSJouni Malinen 27428860020eSJohannes Berg ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s:\n", __func__); 27436a7c9badSJouni Malinen 2744990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 27456a7c9badSJouni Malinen return -EIO; 27466a7c9badSJouni Malinen 2747f5938f24SVasanthakumar Thiagarajan if (vif->next_mode != AP_NETWORK) 27486a7c9badSJouni Malinen return -EOPNOTSUPP; 27496a7c9badSJouni Malinen 27508860020eSJohannes Berg res = ath6kl_set_ies(vif, &info->beacon); 27516a7c9badSJouni Malinen 27529a5b1318SJouni Malinen ar->ap_mode_bkey.valid = false; 27539a5b1318SJouni Malinen 27546a7c9badSJouni Malinen /* TODO: 27556a7c9badSJouni Malinen * info->interval 27566a7c9badSJouni Malinen */ 27576a7c9badSJouni Malinen 2758d154f32eSEtay Luz ret = ath6kl_wmi_ap_set_dtim_cmd(ar->wmi, vif->fw_vif_idx, 2759d154f32eSEtay Luz info->dtim_period); 2760d154f32eSEtay Luz 2761d154f32eSEtay Luz /* ignore error, just print a warning and continue normally */ 2762d154f32eSEtay Luz if (ret) 2763d154f32eSEtay Luz ath6kl_warn("Failed to set dtim_period in beacon: %d\n", ret); 2764d154f32eSEtay Luz 27658860020eSJohannes Berg if (info->beacon.head == NULL) 27666a7c9badSJouni Malinen return -EINVAL; 27678860020eSJohannes Berg mgmt = (struct ieee80211_mgmt *) info->beacon.head; 27686a7c9badSJouni Malinen ies = mgmt->u.beacon.variable; 27698860020eSJohannes Berg if (ies > info->beacon.head + info->beacon.head_len) 27706a7c9badSJouni Malinen return -EINVAL; 27718860020eSJohannes Berg ies_len = info->beacon.head + info->beacon.head_len - ies; 27726a7c9badSJouni Malinen 27736a7c9badSJouni Malinen if (info->ssid == NULL) 27746a7c9badSJouni Malinen return -EINVAL; 27753450334fSVasanthakumar Thiagarajan memcpy(vif->ssid, info->ssid, info->ssid_len); 27763450334fSVasanthakumar Thiagarajan vif->ssid_len = info->ssid_len; 27776a7c9badSJouni Malinen if (info->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE) 277867cd22e4SThomas Pedersen hidden = true; 277967cd22e4SThomas Pedersen 278067cd22e4SThomas Pedersen res = ath6kl_wmi_ap_hidden_ssid(ar->wmi, vif->fw_vif_idx, hidden); 278167cd22e4SThomas Pedersen if (res) 278267cd22e4SThomas Pedersen return res; 27836a7c9badSJouni Malinen 2784be5abaafSVasanthakumar Thiagarajan ret = ath6kl_set_auth_type(vif, info->auth_type); 2785be5abaafSVasanthakumar Thiagarajan if (ret) 2786be5abaafSVasanthakumar Thiagarajan return ret; 27876a7c9badSJouni Malinen 27886a7c9badSJouni Malinen memset(&p, 0, sizeof(p)); 27896a7c9badSJouni Malinen 27906a7c9badSJouni Malinen for (i = 0; i < info->crypto.n_akm_suites; i++) { 27916a7c9badSJouni Malinen switch (info->crypto.akm_suites[i]) { 27926a7c9badSJouni Malinen case WLAN_AKM_SUITE_8021X: 27936a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1) 27946a7c9badSJouni Malinen p.auth_mode |= WPA_AUTH; 27956a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2) 27966a7c9badSJouni Malinen p.auth_mode |= WPA2_AUTH; 27976a7c9badSJouni Malinen break; 27986a7c9badSJouni Malinen case WLAN_AKM_SUITE_PSK: 27996a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1) 28006a7c9badSJouni Malinen p.auth_mode |= WPA_PSK_AUTH; 28016a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2) 28026a7c9badSJouni Malinen p.auth_mode |= WPA2_PSK_AUTH; 28036a7c9badSJouni Malinen break; 28046a7c9badSJouni Malinen } 28056a7c9badSJouni Malinen } 28066a7c9badSJouni Malinen if (p.auth_mode == 0) 28076a7c9badSJouni Malinen p.auth_mode = NONE_AUTH; 28083450334fSVasanthakumar Thiagarajan vif->auth_mode = p.auth_mode; 28096a7c9badSJouni Malinen 28106a7c9badSJouni Malinen for (i = 0; i < info->crypto.n_ciphers_pairwise; i++) { 28116a7c9badSJouni Malinen switch (info->crypto.ciphers_pairwise[i]) { 28126a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP40: 28136a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP104: 28146a7c9badSJouni Malinen p.prwise_crypto_type |= WEP_CRYPT; 28156a7c9badSJouni Malinen break; 28166a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_TKIP: 28176a7c9badSJouni Malinen p.prwise_crypto_type |= TKIP_CRYPT; 28186a7c9badSJouni Malinen break; 28196a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_CCMP: 28206a7c9badSJouni Malinen p.prwise_crypto_type |= AES_CRYPT; 28216a7c9badSJouni Malinen break; 2822b8214df1SDai Shuibing case WLAN_CIPHER_SUITE_SMS4: 2823b8214df1SDai Shuibing p.prwise_crypto_type |= WAPI_CRYPT; 2824b8214df1SDai Shuibing break; 28256a7c9badSJouni Malinen } 28266a7c9badSJouni Malinen } 2827229ed6b5SEdward Lu if (p.prwise_crypto_type == 0) { 28286a7c9badSJouni Malinen p.prwise_crypto_type = NONE_CRYPT; 2829240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, 0, true); 2830229ed6b5SEdward Lu } else if (info->crypto.n_ciphers_pairwise == 1) 2831240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, info->crypto.ciphers_pairwise[0], true); 28326a7c9badSJouni Malinen 28336a7c9badSJouni Malinen switch (info->crypto.cipher_group) { 28346a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP40: 28356a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP104: 28366a7c9badSJouni Malinen p.grp_crypto_type = WEP_CRYPT; 28376a7c9badSJouni Malinen break; 28386a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_TKIP: 28396a7c9badSJouni Malinen p.grp_crypto_type = TKIP_CRYPT; 28406a7c9badSJouni Malinen break; 28416a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_CCMP: 28426a7c9badSJouni Malinen p.grp_crypto_type = AES_CRYPT; 28436a7c9badSJouni Malinen break; 2844b8214df1SDai Shuibing case WLAN_CIPHER_SUITE_SMS4: 2845b8214df1SDai Shuibing p.grp_crypto_type = WAPI_CRYPT; 2846b8214df1SDai Shuibing break; 28476a7c9badSJouni Malinen default: 28486a7c9badSJouni Malinen p.grp_crypto_type = NONE_CRYPT; 28496a7c9badSJouni Malinen break; 28506a7c9badSJouni Malinen } 2851240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, info->crypto.cipher_group, false); 28526a7c9badSJouni Malinen 28536a7c9badSJouni Malinen p.nw_type = AP_NETWORK; 2854f5938f24SVasanthakumar Thiagarajan vif->nw_type = vif->next_mode; 28556a7c9badSJouni Malinen 28563450334fSVasanthakumar Thiagarajan p.ssid_len = vif->ssid_len; 28573450334fSVasanthakumar Thiagarajan memcpy(p.ssid, vif->ssid, vif->ssid_len); 28583450334fSVasanthakumar Thiagarajan p.dot11_auth_mode = vif->dot11_auth_mode; 2859aa430da4SJohannes Berg p.ch = cpu_to_le16(info->channel->center_freq); 28606a7c9badSJouni Malinen 2861c1762a3fSThirumalai Pachamuthu /* Enable uAPSD support by default */ 2862c1762a3fSThirumalai Pachamuthu res = ath6kl_wmi_ap_set_apsd(ar->wmi, vif->fw_vif_idx, true); 2863c1762a3fSThirumalai Pachamuthu if (res < 0) 2864c1762a3fSThirumalai Pachamuthu return res; 2865c1762a3fSThirumalai Pachamuthu 28663ca9d1fcSAarthi Thiruvengadam if (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO) { 28673ca9d1fcSAarthi Thiruvengadam p.nw_subtype = SUBTYPE_P2PGO; 28683ca9d1fcSAarthi Thiruvengadam } else { 28693ca9d1fcSAarthi Thiruvengadam /* 28703ca9d1fcSAarthi Thiruvengadam * Due to firmware limitation, it is not possible to 28713ca9d1fcSAarthi Thiruvengadam * do P2P mgmt operations in AP mode 28723ca9d1fcSAarthi Thiruvengadam */ 28733ca9d1fcSAarthi Thiruvengadam p.nw_subtype = SUBTYPE_NONE; 28743ca9d1fcSAarthi Thiruvengadam } 28753ca9d1fcSAarthi Thiruvengadam 287603bdeb0dSVasanthakumar Thiagarajan if (info->inactivity_timeout) { 287703bdeb0dSVasanthakumar Thiagarajan res = ath6kl_wmi_set_inact_period(ar->wmi, vif->fw_vif_idx, 287803bdeb0dSVasanthakumar Thiagarajan info->inactivity_timeout); 287903bdeb0dSVasanthakumar Thiagarajan if (res < 0) 288003bdeb0dSVasanthakumar Thiagarajan return res; 288103bdeb0dSVasanthakumar Thiagarajan } 288203bdeb0dSVasanthakumar Thiagarajan 2883aa430da4SJohannes Berg if (ath6kl_set_htcap(vif, info->channel->band, 2884aa430da4SJohannes Berg info->channel_type != NL80211_CHAN_NO_HT)) 2885df90b369SVasanthakumar Thiagarajan return -EIO; 2886df90b369SVasanthakumar Thiagarajan 2887d97c121bSVasanthakumar Thiagarajan /* 2888d97c121bSVasanthakumar Thiagarajan * Get the PTKSA replay counter in the RSN IE. Supplicant 2889d97c121bSVasanthakumar Thiagarajan * will use the RSN IE in M3 message and firmware has to 2890d97c121bSVasanthakumar Thiagarajan * advertise the same in beacon/probe response. Send 2891d97c121bSVasanthakumar Thiagarajan * the complete RSN IE capability field to firmware 2892d97c121bSVasanthakumar Thiagarajan */ 2893d97c121bSVasanthakumar Thiagarajan if (!ath6kl_get_rsn_capab(&info->beacon, (u8 *) &rsn_capab) && 2894d97c121bSVasanthakumar Thiagarajan test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE, 2895d97c121bSVasanthakumar Thiagarajan ar->fw_capabilities)) { 2896d97c121bSVasanthakumar Thiagarajan res = ath6kl_wmi_set_ie_cmd(ar->wmi, vif->fw_vif_idx, 2897d97c121bSVasanthakumar Thiagarajan WLAN_EID_RSN, WMI_RSN_IE_CAPB, 2898d97c121bSVasanthakumar Thiagarajan (const u8 *) &rsn_capab, 2899d97c121bSVasanthakumar Thiagarajan sizeof(rsn_capab)); 2900d97c121bSVasanthakumar Thiagarajan if (res < 0) 2901d97c121bSVasanthakumar Thiagarajan return res; 2902d97c121bSVasanthakumar Thiagarajan } 2903d97c121bSVasanthakumar Thiagarajan 2904c4f7863eSThomas Pedersen memcpy(&vif->profile, &p, sizeof(p)); 2905334234b5SVasanthakumar Thiagarajan res = ath6kl_wmi_ap_profile_commit(ar->wmi, vif->fw_vif_idx, &p); 29069a5b1318SJouni Malinen if (res < 0) 29079a5b1318SJouni Malinen return res; 29089a5b1318SJouni Malinen 29099a5b1318SJouni Malinen return 0; 29106a7c9badSJouni Malinen } 29116a7c9badSJouni Malinen 29128860020eSJohannes Berg static int ath6kl_change_beacon(struct wiphy *wiphy, struct net_device *dev, 29138860020eSJohannes Berg struct cfg80211_beacon_data *beacon) 29146a7c9badSJouni Malinen { 29158860020eSJohannes Berg struct ath6kl_vif *vif = netdev_priv(dev); 29168860020eSJohannes Berg 29178860020eSJohannes Berg if (!ath6kl_cfg80211_ready(vif)) 29188860020eSJohannes Berg return -EIO; 29198860020eSJohannes Berg 29208860020eSJohannes Berg if (vif->next_mode != AP_NETWORK) 29218860020eSJohannes Berg return -EOPNOTSUPP; 29228860020eSJohannes Berg 29238860020eSJohannes Berg return ath6kl_set_ies(vif, beacon); 29246a7c9badSJouni Malinen } 29256a7c9badSJouni Malinen 29268860020eSJohannes Berg static int ath6kl_stop_ap(struct wiphy *wiphy, struct net_device *dev) 29276a7c9badSJouni Malinen { 29286a7c9badSJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 292959c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 29306a7c9badSJouni Malinen 2931f5938f24SVasanthakumar Thiagarajan if (vif->nw_type != AP_NETWORK) 29326a7c9badSJouni Malinen return -EOPNOTSUPP; 293359c98449SVasanthakumar Thiagarajan if (!test_bit(CONNECTED, &vif->flags)) 29346a7c9badSJouni Malinen return -ENOTCONN; 29356a7c9badSJouni Malinen 2936334234b5SVasanthakumar Thiagarajan ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx); 293759c98449SVasanthakumar Thiagarajan clear_bit(CONNECTED, &vif->flags); 29386a7c9badSJouni Malinen 2939df90b369SVasanthakumar Thiagarajan /* Restore ht setting in firmware */ 294037a2f950SThomas Pedersen return ath6kl_restore_htcap(vif); 29416a7c9badSJouni Malinen } 29426a7c9badSJouni Malinen 294333e5308dSJouni Malinen static const u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; 294433e5308dSJouni Malinen 294533e5308dSJouni Malinen static int ath6kl_del_station(struct wiphy *wiphy, struct net_device *dev, 294633e5308dSJouni Malinen u8 *mac) 294733e5308dSJouni Malinen { 294833e5308dSJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 294933e5308dSJouni Malinen struct ath6kl_vif *vif = netdev_priv(dev); 295033e5308dSJouni Malinen const u8 *addr = mac ? mac : bcast_addr; 295133e5308dSJouni Malinen 295233e5308dSJouni Malinen return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, WMI_AP_DEAUTH, 295333e5308dSJouni Malinen addr, WLAN_REASON_PREV_AUTH_NOT_VALID); 295433e5308dSJouni Malinen } 295533e5308dSJouni Malinen 295623875136SJouni Malinen static int ath6kl_change_station(struct wiphy *wiphy, struct net_device *dev, 295723875136SJouni Malinen u8 *mac, struct station_parameters *params) 295823875136SJouni Malinen { 295923875136SJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 2960f5938f24SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 296123875136SJouni Malinen 2962f5938f24SVasanthakumar Thiagarajan if (vif->nw_type != AP_NETWORK) 296323875136SJouni Malinen return -EOPNOTSUPP; 296423875136SJouni Malinen 296523875136SJouni Malinen /* Use this only for authorizing/unauthorizing a station */ 296623875136SJouni Malinen if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))) 296723875136SJouni Malinen return -EOPNOTSUPP; 296823875136SJouni Malinen 296923875136SJouni Malinen if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED)) 2970334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, 2971334234b5SVasanthakumar Thiagarajan WMI_AP_MLME_AUTHORIZE, mac, 0); 2972334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, 2973334234b5SVasanthakumar Thiagarajan WMI_AP_MLME_UNAUTHORIZE, mac, 0); 297423875136SJouni Malinen } 297523875136SJouni Malinen 297663fa1e0cSJouni Malinen static int ath6kl_remain_on_channel(struct wiphy *wiphy, 297771bbc994SJohannes Berg struct wireless_dev *wdev, 297863fa1e0cSJouni Malinen struct ieee80211_channel *chan, 297963fa1e0cSJouni Malinen enum nl80211_channel_type channel_type, 298063fa1e0cSJouni Malinen unsigned int duration, 298163fa1e0cSJouni Malinen u64 *cookie) 298263fa1e0cSJouni Malinen { 298371bbc994SJohannes Berg struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); 298471bbc994SJohannes Berg struct ath6kl *ar = ath6kl_priv(vif->ndev); 29851052261eSJouni Malinen u32 id; 298663fa1e0cSJouni Malinen 298763fa1e0cSJouni Malinen /* TODO: if already pending or ongoing remain-on-channel, 298863fa1e0cSJouni Malinen * return -EBUSY */ 29891052261eSJouni Malinen id = ++vif->last_roc_id; 29901052261eSJouni Malinen if (id == 0) { 29911052261eSJouni Malinen /* Do not use 0 as the cookie value */ 29921052261eSJouni Malinen id = ++vif->last_roc_id; 29931052261eSJouni Malinen } 29941052261eSJouni Malinen *cookie = id; 299563fa1e0cSJouni Malinen 2996334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx, 2997334234b5SVasanthakumar Thiagarajan chan->center_freq, duration); 299863fa1e0cSJouni Malinen } 299963fa1e0cSJouni Malinen 300063fa1e0cSJouni Malinen static int ath6kl_cancel_remain_on_channel(struct wiphy *wiphy, 300171bbc994SJohannes Berg struct wireless_dev *wdev, 300263fa1e0cSJouni Malinen u64 cookie) 300363fa1e0cSJouni Malinen { 300471bbc994SJohannes Berg struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); 300571bbc994SJohannes Berg struct ath6kl *ar = ath6kl_priv(vif->ndev); 300663fa1e0cSJouni Malinen 30071052261eSJouni Malinen if (cookie != vif->last_roc_id) 300863fa1e0cSJouni Malinen return -ENOENT; 30091052261eSJouni Malinen vif->last_cancel_roc_id = cookie; 301063fa1e0cSJouni Malinen 3011334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_cancel_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx); 301263fa1e0cSJouni Malinen } 301363fa1e0cSJouni Malinen 3014334234b5SVasanthakumar Thiagarajan static int ath6kl_send_go_probe_resp(struct ath6kl_vif *vif, 3015334234b5SVasanthakumar Thiagarajan const u8 *buf, size_t len, 3016334234b5SVasanthakumar Thiagarajan unsigned int freq) 30178bdfbf40SJouni Malinen { 3018334234b5SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 30198bdfbf40SJouni Malinen const u8 *pos; 30208bdfbf40SJouni Malinen u8 *p2p; 30218bdfbf40SJouni Malinen int p2p_len; 30228bdfbf40SJouni Malinen int ret; 30238bdfbf40SJouni Malinen const struct ieee80211_mgmt *mgmt; 30248bdfbf40SJouni Malinen 30258bdfbf40SJouni Malinen mgmt = (const struct ieee80211_mgmt *) buf; 30268bdfbf40SJouni Malinen 30278bdfbf40SJouni Malinen /* Include P2P IE(s) from the frame generated in user space. */ 30288bdfbf40SJouni Malinen 30298bdfbf40SJouni Malinen p2p = kmalloc(len, GFP_KERNEL); 30308bdfbf40SJouni Malinen if (p2p == NULL) 30318bdfbf40SJouni Malinen return -ENOMEM; 30328bdfbf40SJouni Malinen p2p_len = 0; 30338bdfbf40SJouni Malinen 30348bdfbf40SJouni Malinen pos = mgmt->u.probe_resp.variable; 30358bdfbf40SJouni Malinen while (pos + 1 < buf + len) { 30368bdfbf40SJouni Malinen if (pos + 2 + pos[1] > buf + len) 30378bdfbf40SJouni Malinen break; 30388bdfbf40SJouni Malinen if (ath6kl_is_p2p_ie(pos)) { 30398bdfbf40SJouni Malinen memcpy(p2p + p2p_len, pos, 2 + pos[1]); 30408bdfbf40SJouni Malinen p2p_len += 2 + pos[1]; 30418bdfbf40SJouni Malinen } 30428bdfbf40SJouni Malinen pos += 2 + pos[1]; 30438bdfbf40SJouni Malinen } 30448bdfbf40SJouni Malinen 3045334234b5SVasanthakumar Thiagarajan ret = ath6kl_wmi_send_probe_response_cmd(ar->wmi, vif->fw_vif_idx, freq, 3046334234b5SVasanthakumar Thiagarajan mgmt->da, p2p, p2p_len); 30478bdfbf40SJouni Malinen kfree(p2p); 30488bdfbf40SJouni Malinen return ret; 30498bdfbf40SJouni Malinen } 30508bdfbf40SJouni Malinen 3051d0ff7383SNaveen Gangadharan static bool ath6kl_mgmt_powersave_ap(struct ath6kl_vif *vif, 3052d0ff7383SNaveen Gangadharan u32 id, 3053d0ff7383SNaveen Gangadharan u32 freq, 3054d0ff7383SNaveen Gangadharan u32 wait, 3055d0ff7383SNaveen Gangadharan const u8 *buf, 3056d0ff7383SNaveen Gangadharan size_t len, 3057d0ff7383SNaveen Gangadharan bool *more_data, 3058d0ff7383SNaveen Gangadharan bool no_cck) 3059d0ff7383SNaveen Gangadharan { 3060d0ff7383SNaveen Gangadharan struct ieee80211_mgmt *mgmt; 3061d0ff7383SNaveen Gangadharan struct ath6kl_sta *conn; 3062d0ff7383SNaveen Gangadharan bool is_psq_empty = false; 3063d0ff7383SNaveen Gangadharan struct ath6kl_mgmt_buff *mgmt_buf; 3064d0ff7383SNaveen Gangadharan size_t mgmt_buf_size; 3065d0ff7383SNaveen Gangadharan struct ath6kl *ar = vif->ar; 3066d0ff7383SNaveen Gangadharan 3067d0ff7383SNaveen Gangadharan mgmt = (struct ieee80211_mgmt *) buf; 3068d0ff7383SNaveen Gangadharan if (is_multicast_ether_addr(mgmt->da)) 3069d0ff7383SNaveen Gangadharan return false; 3070d0ff7383SNaveen Gangadharan 3071d0ff7383SNaveen Gangadharan conn = ath6kl_find_sta(vif, mgmt->da); 3072d0ff7383SNaveen Gangadharan if (!conn) 3073d0ff7383SNaveen Gangadharan return false; 3074d0ff7383SNaveen Gangadharan 3075d0ff7383SNaveen Gangadharan if (conn->sta_flags & STA_PS_SLEEP) { 3076d0ff7383SNaveen Gangadharan if (!(conn->sta_flags & STA_PS_POLLED)) { 3077d0ff7383SNaveen Gangadharan /* Queue the frames if the STA is sleeping */ 3078d0ff7383SNaveen Gangadharan mgmt_buf_size = len + sizeof(struct ath6kl_mgmt_buff); 3079d0ff7383SNaveen Gangadharan mgmt_buf = kmalloc(mgmt_buf_size, GFP_KERNEL); 3080d0ff7383SNaveen Gangadharan if (!mgmt_buf) 3081d0ff7383SNaveen Gangadharan return false; 3082d0ff7383SNaveen Gangadharan 3083d0ff7383SNaveen Gangadharan INIT_LIST_HEAD(&mgmt_buf->list); 3084d0ff7383SNaveen Gangadharan mgmt_buf->id = id; 3085d0ff7383SNaveen Gangadharan mgmt_buf->freq = freq; 3086d0ff7383SNaveen Gangadharan mgmt_buf->wait = wait; 3087d0ff7383SNaveen Gangadharan mgmt_buf->len = len; 3088d0ff7383SNaveen Gangadharan mgmt_buf->no_cck = no_cck; 3089d0ff7383SNaveen Gangadharan memcpy(mgmt_buf->buf, buf, len); 3090d0ff7383SNaveen Gangadharan spin_lock_bh(&conn->psq_lock); 3091d0ff7383SNaveen Gangadharan is_psq_empty = skb_queue_empty(&conn->psq) && 3092d0ff7383SNaveen Gangadharan (conn->mgmt_psq_len == 0); 3093d0ff7383SNaveen Gangadharan list_add_tail(&mgmt_buf->list, &conn->mgmt_psq); 3094d0ff7383SNaveen Gangadharan conn->mgmt_psq_len++; 3095d0ff7383SNaveen Gangadharan spin_unlock_bh(&conn->psq_lock); 3096d0ff7383SNaveen Gangadharan 3097d0ff7383SNaveen Gangadharan /* 3098d0ff7383SNaveen Gangadharan * If this is the first pkt getting queued 3099d0ff7383SNaveen Gangadharan * for this STA, update the PVB for this 3100d0ff7383SNaveen Gangadharan * STA. 3101d0ff7383SNaveen Gangadharan */ 3102d0ff7383SNaveen Gangadharan if (is_psq_empty) 3103d0ff7383SNaveen Gangadharan ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx, 3104d0ff7383SNaveen Gangadharan conn->aid, 1); 3105d0ff7383SNaveen Gangadharan return true; 3106d0ff7383SNaveen Gangadharan } 3107d0ff7383SNaveen Gangadharan 3108d0ff7383SNaveen Gangadharan /* 3109d0ff7383SNaveen Gangadharan * This tx is because of a PsPoll. 3110d0ff7383SNaveen Gangadharan * Determine if MoreData bit has to be set. 3111d0ff7383SNaveen Gangadharan */ 3112d0ff7383SNaveen Gangadharan spin_lock_bh(&conn->psq_lock); 3113d0ff7383SNaveen Gangadharan if (!skb_queue_empty(&conn->psq) || (conn->mgmt_psq_len != 0)) 3114d0ff7383SNaveen Gangadharan *more_data = true; 3115d0ff7383SNaveen Gangadharan spin_unlock_bh(&conn->psq_lock); 3116d0ff7383SNaveen Gangadharan } 3117d0ff7383SNaveen Gangadharan 3118d0ff7383SNaveen Gangadharan return false; 3119d0ff7383SNaveen Gangadharan } 3120d0ff7383SNaveen Gangadharan 3121c86e4f44SAarthi Thiruvengadam /* Check if SSID length is greater than DIRECT- */ 3122c86e4f44SAarthi Thiruvengadam static bool ath6kl_is_p2p_go_ssid(const u8 *buf, size_t len) 3123c86e4f44SAarthi Thiruvengadam { 3124c86e4f44SAarthi Thiruvengadam const struct ieee80211_mgmt *mgmt; 3125c86e4f44SAarthi Thiruvengadam mgmt = (const struct ieee80211_mgmt *) buf; 3126c86e4f44SAarthi Thiruvengadam 3127c86e4f44SAarthi Thiruvengadam /* variable[1] contains the SSID tag length */ 3128c86e4f44SAarthi Thiruvengadam if (buf + len >= &mgmt->u.probe_resp.variable[1] && 3129c86e4f44SAarthi Thiruvengadam (mgmt->u.probe_resp.variable[1] > P2P_WILDCARD_SSID_LEN)) { 3130c86e4f44SAarthi Thiruvengadam return true; 3131c86e4f44SAarthi Thiruvengadam } 3132c86e4f44SAarthi Thiruvengadam 3133c86e4f44SAarthi Thiruvengadam return false; 3134c86e4f44SAarthi Thiruvengadam } 3135c86e4f44SAarthi Thiruvengadam 313671bbc994SJohannes Berg static int ath6kl_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, 31378a6c8060SJouni Malinen struct ieee80211_channel *chan, bool offchan, 31388a6c8060SJouni Malinen enum nl80211_channel_type channel_type, 31398a6c8060SJouni Malinen bool channel_type_valid, unsigned int wait, 3140e247bd90SJohannes Berg const u8 *buf, size_t len, bool no_cck, 3141e247bd90SJohannes Berg bool dont_wait_for_ack, u64 *cookie) 31428a6c8060SJouni Malinen { 314371bbc994SJohannes Berg struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); 314471bbc994SJohannes Berg struct ath6kl *ar = ath6kl_priv(vif->ndev); 31458a6c8060SJouni Malinen u32 id; 31468bdfbf40SJouni Malinen const struct ieee80211_mgmt *mgmt; 3147d0ff7383SNaveen Gangadharan bool more_data, queued; 31488bdfbf40SJouni Malinen 31498bdfbf40SJouni Malinen mgmt = (const struct ieee80211_mgmt *) buf; 3150c86e4f44SAarthi Thiruvengadam if (vif->nw_type == AP_NETWORK && test_bit(CONNECTED, &vif->flags) && 3151c86e4f44SAarthi Thiruvengadam ieee80211_is_probe_resp(mgmt->frame_control) && 3152c86e4f44SAarthi Thiruvengadam ath6kl_is_p2p_go_ssid(buf, len)) { 31538bdfbf40SJouni Malinen /* 3154c86e4f44SAarthi Thiruvengadam * Send Probe Response frame in GO mode using a separate WMI 31558bdfbf40SJouni Malinen * command to allow the target to fill in the generic IEs. 31568bdfbf40SJouni Malinen */ 31578bdfbf40SJouni Malinen *cookie = 0; /* TX status not supported */ 3158334234b5SVasanthakumar Thiagarajan return ath6kl_send_go_probe_resp(vif, buf, len, 31598bdfbf40SJouni Malinen chan->center_freq); 31608bdfbf40SJouni Malinen } 31618a6c8060SJouni Malinen 3162cf5333d7SVasanthakumar Thiagarajan id = vif->send_action_id++; 31638a6c8060SJouni Malinen if (id == 0) { 31648a6c8060SJouni Malinen /* 31658a6c8060SJouni Malinen * 0 is a reserved value in the WMI command and shall not be 31668a6c8060SJouni Malinen * used for the command. 31678a6c8060SJouni Malinen */ 3168cf5333d7SVasanthakumar Thiagarajan id = vif->send_action_id++; 31698a6c8060SJouni Malinen } 31708a6c8060SJouni Malinen 31718a6c8060SJouni Malinen *cookie = id; 31723ca9d1fcSAarthi Thiruvengadam 3173d0ff7383SNaveen Gangadharan /* AP mode Power saving processing */ 3174d0ff7383SNaveen Gangadharan if (vif->nw_type == AP_NETWORK) { 3175d0ff7383SNaveen Gangadharan queued = ath6kl_mgmt_powersave_ap(vif, 3176d0ff7383SNaveen Gangadharan id, chan->center_freq, 3177d0ff7383SNaveen Gangadharan wait, buf, 3178d0ff7383SNaveen Gangadharan len, &more_data, no_cck); 3179d0ff7383SNaveen Gangadharan if (queued) 3180d0ff7383SNaveen Gangadharan return 0; 3181d0ff7383SNaveen Gangadharan } 3182d0ff7383SNaveen Gangadharan 31833ca9d1fcSAarthi Thiruvengadam return ath6kl_wmi_send_mgmt_cmd(ar->wmi, vif->fw_vif_idx, id, 31843ca9d1fcSAarthi Thiruvengadam chan->center_freq, wait, 31853ca9d1fcSAarthi Thiruvengadam buf, len, no_cck); 31863ca9d1fcSAarthi Thiruvengadam } 31878a6c8060SJouni Malinen 3188ae32c30aSJouni Malinen static void ath6kl_mgmt_frame_register(struct wiphy *wiphy, 318971bbc994SJohannes Berg struct wireless_dev *wdev, 3190ae32c30aSJouni Malinen u16 frame_type, bool reg) 3191ae32c30aSJouni Malinen { 319271bbc994SJohannes Berg struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); 3193ae32c30aSJouni Malinen 3194ae32c30aSJouni Malinen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: frame_type=0x%x reg=%d\n", 3195ae32c30aSJouni Malinen __func__, frame_type, reg); 3196ae32c30aSJouni Malinen if (frame_type == IEEE80211_STYPE_PROBE_REQ) { 3197ae32c30aSJouni Malinen /* 3198ae32c30aSJouni Malinen * Note: This notification callback is not allowed to sleep, so 3199ae32c30aSJouni Malinen * we cannot send WMI_PROBE_REQ_REPORT_CMD here. Instead, we 3200ae32c30aSJouni Malinen * hardcode target to report Probe Request frames all the time. 3201ae32c30aSJouni Malinen */ 3202cf5333d7SVasanthakumar Thiagarajan vif->probe_req_report = reg; 3203ae32c30aSJouni Malinen } 3204ae32c30aSJouni Malinen } 3205ae32c30aSJouni Malinen 320610509f90SKalle Valo static int ath6kl_cfg80211_sscan_start(struct wiphy *wiphy, 320710509f90SKalle Valo struct net_device *dev, 320810509f90SKalle Valo struct cfg80211_sched_scan_request *request) 320910509f90SKalle Valo { 321010509f90SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 321110509f90SKalle Valo struct ath6kl_vif *vif = netdev_priv(dev); 321210509f90SKalle Valo u16 interval; 321310509f90SKalle Valo int ret; 321410509f90SKalle Valo 321510509f90SKalle Valo if (ar->state != ATH6KL_STATE_ON) 321610509f90SKalle Valo return -EIO; 321710509f90SKalle Valo 321810509f90SKalle Valo if (vif->sme_state != SME_DISCONNECTED) 321910509f90SKalle Valo return -EBUSY; 322010509f90SKalle Valo 322177ed4e45SThomas Pedersen /* The FW currently can't support multi-vif WoW properly. */ 322277ed4e45SThomas Pedersen if (ar->num_vif > 1) 322377ed4e45SThomas Pedersen return -EIO; 322477ed4e45SThomas Pedersen 3225b4d13d3bSKalle Valo ath6kl_cfg80211_scan_complete_event(vif, true); 3226b4d13d3bSKalle Valo 32273b8ffc6aSJouni Malinen ret = ath6kl_set_probed_ssids(ar, vif, request->ssids, 3228dd45b759SNaveen Singh request->n_ssids, 3229dd45b759SNaveen Singh request->match_sets, 3230dd45b759SNaveen Singh request->n_match_sets); 32313b8ffc6aSJouni Malinen if (ret < 0) 32323b8ffc6aSJouni Malinen return ret; 323310509f90SKalle Valo 3234dd45b759SNaveen Singh if (!request->n_match_sets) { 3235dd45b759SNaveen Singh ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 3236dd45b759SNaveen Singh ALL_BSS_FILTER, 0); 3237dd45b759SNaveen Singh if (ret < 0) 3238dd45b759SNaveen Singh return ret; 3239dd45b759SNaveen Singh } else { 3240dd45b759SNaveen Singh ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 3241dd45b759SNaveen Singh MATCHED_SSID_FILTER, 0); 3242dd45b759SNaveen Singh if (ret < 0) 3243dd45b759SNaveen Singh return ret; 3244dd45b759SNaveen Singh } 3245dd45b759SNaveen Singh 324610509f90SKalle Valo /* fw uses seconds, also make sure that it's >0 */ 324710509f90SKalle Valo interval = max_t(u16, 1, request->interval / 1000); 324810509f90SKalle Valo 324910509f90SKalle Valo ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 325010509f90SKalle Valo interval, interval, 3251d472b5e4SSubramania Sharma Thandaveswaran vif->bg_scan_period, 0, 0, 0, 3, 0, 0, 0); 325210509f90SKalle Valo 325310509f90SKalle Valo ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx, 325410509f90SKalle Valo ATH6KL_WOW_MODE_ENABLE, 325510509f90SKalle Valo WOW_FILTER_SSID, 325610509f90SKalle Valo WOW_HOST_REQ_DELAY); 325710509f90SKalle Valo if (ret) { 325810509f90SKalle Valo ath6kl_warn("Failed to enable wow with ssid filter: %d\n", ret); 325910509f90SKalle Valo return ret; 326010509f90SKalle Valo } 326110509f90SKalle Valo 326210509f90SKalle Valo /* this also clears IE in fw if it's not set */ 326310509f90SKalle Valo ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 326410509f90SKalle Valo WMI_FRAME_PROBE_REQ, 326510509f90SKalle Valo request->ie, request->ie_len); 326610509f90SKalle Valo if (ret) { 3267f1ff32e8SJoe Perches ath6kl_warn("Failed to set probe request IE for scheduled scan: %d\n", 326810509f90SKalle Valo ret); 326910509f90SKalle Valo return ret; 327010509f90SKalle Valo } 327110509f90SKalle Valo 327210509f90SKalle Valo ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, 327310509f90SKalle Valo ATH6KL_HOST_MODE_ASLEEP); 327410509f90SKalle Valo if (ret) { 327510509f90SKalle Valo ath6kl_warn("Failed to enable host sleep mode for sched scan: %d\n", 327610509f90SKalle Valo ret); 327710509f90SKalle Valo return ret; 327810509f90SKalle Valo } 327910509f90SKalle Valo 328010509f90SKalle Valo ar->state = ATH6KL_STATE_SCHED_SCAN; 328110509f90SKalle Valo 328210509f90SKalle Valo return ret; 328310509f90SKalle Valo } 328410509f90SKalle Valo 328510509f90SKalle Valo static int ath6kl_cfg80211_sscan_stop(struct wiphy *wiphy, 328610509f90SKalle Valo struct net_device *dev) 328710509f90SKalle Valo { 328810509f90SKalle Valo struct ath6kl_vif *vif = netdev_priv(dev); 328910509f90SKalle Valo bool stopped; 329010509f90SKalle Valo 329110509f90SKalle Valo stopped = __ath6kl_cfg80211_sscan_stop(vif); 329210509f90SKalle Valo 329310509f90SKalle Valo if (!stopped) 329410509f90SKalle Valo return -EIO; 329510509f90SKalle Valo 329610509f90SKalle Valo return 0; 329710509f90SKalle Valo } 329810509f90SKalle Valo 329906e360acSBala Shanmugam static int ath6kl_cfg80211_set_bitrate(struct wiphy *wiphy, 330006e360acSBala Shanmugam struct net_device *dev, 330106e360acSBala Shanmugam const u8 *addr, 330206e360acSBala Shanmugam const struct cfg80211_bitrate_mask *mask) 330306e360acSBala Shanmugam { 330406e360acSBala Shanmugam struct ath6kl *ar = ath6kl_priv(dev); 330506e360acSBala Shanmugam struct ath6kl_vif *vif = netdev_priv(dev); 330606e360acSBala Shanmugam 330706e360acSBala Shanmugam return ath6kl_wmi_set_bitrate_mask(ar->wmi, vif->fw_vif_idx, 330806e360acSBala Shanmugam mask); 330906e360acSBala Shanmugam } 331006e360acSBala Shanmugam 3311f80574aeSJouni Malinen static const struct ieee80211_txrx_stypes 3312f80574aeSJouni Malinen ath6kl_mgmt_stypes[NUM_NL80211_IFTYPES] = { 3313f80574aeSJouni Malinen [NL80211_IFTYPE_STATION] = { 3314f80574aeSJouni Malinen .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3315f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 3316f80574aeSJouni Malinen .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3317f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 3318f80574aeSJouni Malinen }, 3319ba1f6fe3SJouni Malinen [NL80211_IFTYPE_AP] = { 3320ba1f6fe3SJouni Malinen .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3321ba1f6fe3SJouni Malinen BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 3322ba1f6fe3SJouni Malinen .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3323ba1f6fe3SJouni Malinen BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 3324ba1f6fe3SJouni Malinen }, 3325f80574aeSJouni Malinen [NL80211_IFTYPE_P2P_CLIENT] = { 3326f80574aeSJouni Malinen .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3327f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 3328f80574aeSJouni Malinen .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3329f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 3330f80574aeSJouni Malinen }, 3331f80574aeSJouni Malinen [NL80211_IFTYPE_P2P_GO] = { 3332f80574aeSJouni Malinen .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3333f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 3334f80574aeSJouni Malinen .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3335f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 3336f80574aeSJouni Malinen }, 3337f80574aeSJouni Malinen }; 3338f80574aeSJouni Malinen 3339bdcd8170SKalle Valo static struct cfg80211_ops ath6kl_cfg80211_ops = { 334055055976SVasanthakumar Thiagarajan .add_virtual_intf = ath6kl_cfg80211_add_iface, 334155055976SVasanthakumar Thiagarajan .del_virtual_intf = ath6kl_cfg80211_del_iface, 3342bdcd8170SKalle Valo .change_virtual_intf = ath6kl_cfg80211_change_iface, 3343bdcd8170SKalle Valo .scan = ath6kl_cfg80211_scan, 3344bdcd8170SKalle Valo .connect = ath6kl_cfg80211_connect, 3345bdcd8170SKalle Valo .disconnect = ath6kl_cfg80211_disconnect, 3346bdcd8170SKalle Valo .add_key = ath6kl_cfg80211_add_key, 3347bdcd8170SKalle Valo .get_key = ath6kl_cfg80211_get_key, 3348bdcd8170SKalle Valo .del_key = ath6kl_cfg80211_del_key, 3349bdcd8170SKalle Valo .set_default_key = ath6kl_cfg80211_set_default_key, 3350bdcd8170SKalle Valo .set_wiphy_params = ath6kl_cfg80211_set_wiphy_params, 3351bdcd8170SKalle Valo .set_tx_power = ath6kl_cfg80211_set_txpower, 3352bdcd8170SKalle Valo .get_tx_power = ath6kl_cfg80211_get_txpower, 3353bdcd8170SKalle Valo .set_power_mgmt = ath6kl_cfg80211_set_power_mgmt, 3354bdcd8170SKalle Valo .join_ibss = ath6kl_cfg80211_join_ibss, 3355bdcd8170SKalle Valo .leave_ibss = ath6kl_cfg80211_leave_ibss, 3356bdcd8170SKalle Valo .get_station = ath6kl_get_station, 3357bdcd8170SKalle Valo .set_pmksa = ath6kl_set_pmksa, 3358bdcd8170SKalle Valo .del_pmksa = ath6kl_del_pmksa, 3359bdcd8170SKalle Valo .flush_pmksa = ath6kl_flush_pmksa, 3360003353b0SKalle Valo CFG80211_TESTMODE_CMD(ath6kl_tm_cmd) 3361abcb344bSKalle Valo #ifdef CONFIG_PM 336252d81a68SKalle Valo .suspend = __ath6kl_cfg80211_suspend, 336352d81a68SKalle Valo .resume = __ath6kl_cfg80211_resume, 3364abcb344bSKalle Valo #endif 33658860020eSJohannes Berg .start_ap = ath6kl_start_ap, 33668860020eSJohannes Berg .change_beacon = ath6kl_change_beacon, 33678860020eSJohannes Berg .stop_ap = ath6kl_stop_ap, 336833e5308dSJouni Malinen .del_station = ath6kl_del_station, 336923875136SJouni Malinen .change_station = ath6kl_change_station, 337063fa1e0cSJouni Malinen .remain_on_channel = ath6kl_remain_on_channel, 337163fa1e0cSJouni Malinen .cancel_remain_on_channel = ath6kl_cancel_remain_on_channel, 33728a6c8060SJouni Malinen .mgmt_tx = ath6kl_mgmt_tx, 3373ae32c30aSJouni Malinen .mgmt_frame_register = ath6kl_mgmt_frame_register, 337410509f90SKalle Valo .sched_scan_start = ath6kl_cfg80211_sscan_start, 337510509f90SKalle Valo .sched_scan_stop = ath6kl_cfg80211_sscan_stop, 337606e360acSBala Shanmugam .set_bitrate_mask = ath6kl_cfg80211_set_bitrate, 3377bdcd8170SKalle Valo }; 3378bdcd8170SKalle Valo 33797125f01dSKalle Valo void ath6kl_cfg80211_stop(struct ath6kl_vif *vif) 3380ec4b7f60SKalle Valo { 338110509f90SKalle Valo ath6kl_cfg80211_sscan_disable(vif); 338210509f90SKalle Valo 3383ec4b7f60SKalle Valo switch (vif->sme_state) { 3384c97a31b0SKalle Valo case SME_DISCONNECTED: 3385c97a31b0SKalle Valo break; 3386ec4b7f60SKalle Valo case SME_CONNECTING: 3387ec4b7f60SKalle Valo cfg80211_connect_result(vif->ndev, vif->bssid, NULL, 0, 3388ec4b7f60SKalle Valo NULL, 0, 3389ec4b7f60SKalle Valo WLAN_STATUS_UNSPECIFIED_FAILURE, 3390ec4b7f60SKalle Valo GFP_KERNEL); 3391ec4b7f60SKalle Valo break; 3392ec4b7f60SKalle Valo case SME_CONNECTED: 3393ec4b7f60SKalle Valo cfg80211_disconnected(vif->ndev, 0, NULL, 0, GFP_KERNEL); 3394ec4b7f60SKalle Valo break; 3395ec4b7f60SKalle Valo } 3396ec4b7f60SKalle Valo 3397ec4b7f60SKalle Valo if (test_bit(CONNECTED, &vif->flags) || 3398ec4b7f60SKalle Valo test_bit(CONNECT_PEND, &vif->flags)) 33997125f01dSKalle Valo ath6kl_wmi_disconnect_cmd(vif->ar->wmi, vif->fw_vif_idx); 3400ec4b7f60SKalle Valo 3401ec4b7f60SKalle Valo vif->sme_state = SME_DISCONNECTED; 34021f405255SKalle Valo clear_bit(CONNECTED, &vif->flags); 34031f405255SKalle Valo clear_bit(CONNECT_PEND, &vif->flags); 3404ec4b7f60SKalle Valo 3405ec4b7f60SKalle Valo /* disable scanning */ 34067125f01dSKalle Valo if (ath6kl_wmi_scanparams_cmd(vif->ar->wmi, vif->fw_vif_idx, 0xFFFF, 34077125f01dSKalle Valo 0, 0, 0, 0, 0, 0, 0, 0, 0) != 0) 34087125f01dSKalle Valo ath6kl_warn("failed to disable scan during stop\n"); 3409ec4b7f60SKalle Valo 3410ec4b7f60SKalle Valo ath6kl_cfg80211_scan_complete_event(vif, true); 3411ec4b7f60SKalle Valo } 3412ec4b7f60SKalle Valo 34137125f01dSKalle Valo void ath6kl_cfg80211_stop_all(struct ath6kl *ar) 34147125f01dSKalle Valo { 34157125f01dSKalle Valo struct ath6kl_vif *vif; 34167125f01dSKalle Valo 34177125f01dSKalle Valo vif = ath6kl_vif_first(ar); 34187125f01dSKalle Valo if (!vif) { 34197125f01dSKalle Valo /* save the current power mode before enabling power save */ 34207125f01dSKalle Valo ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode; 34217125f01dSKalle Valo 34227125f01dSKalle Valo if (ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER) != 0) 3423cdeb8602SKalle Valo ath6kl_warn("ath6kl_deep_sleep_enable: wmi_powermode_cmd failed\n"); 34247125f01dSKalle Valo return; 34257125f01dSKalle Valo } 34267125f01dSKalle Valo 34277125f01dSKalle Valo /* 34287125f01dSKalle Valo * FIXME: we should take ar->list_lock to protect changes in the 34297125f01dSKalle Valo * vif_list, but that's not trivial to do as ath6kl_cfg80211_stop() 34307125f01dSKalle Valo * sleeps. 34317125f01dSKalle Valo */ 34327125f01dSKalle Valo list_for_each_entry(vif, &ar->vif_list, list) 34337125f01dSKalle Valo ath6kl_cfg80211_stop(vif); 34347125f01dSKalle Valo } 34357125f01dSKalle Valo 3436c25889e8SKalle Valo static int ath6kl_cfg80211_vif_init(struct ath6kl_vif *vif) 34378dafb70eSVasanthakumar Thiagarajan { 34387baef812SVasanthakumar Thiagarajan vif->aggr_cntxt = aggr_init(vif); 34392132c69cSVasanthakumar Thiagarajan if (!vif->aggr_cntxt) { 34408dafb70eSVasanthakumar Thiagarajan ath6kl_err("failed to initialize aggr\n"); 34418dafb70eSVasanthakumar Thiagarajan return -ENOMEM; 34428dafb70eSVasanthakumar Thiagarajan } 34438dafb70eSVasanthakumar Thiagarajan 3444de3ad713SVasanthakumar Thiagarajan setup_timer(&vif->disconnect_timer, disconnect_timer_handler, 3445108438bcSVasanthakumar Thiagarajan (unsigned long) vif->ndev); 344610509f90SKalle Valo setup_timer(&vif->sched_scan_timer, ath6kl_wmi_sscan_timer, 344710509f90SKalle Valo (unsigned long) vif); 344810509f90SKalle Valo 3449de3ad713SVasanthakumar Thiagarajan set_bit(WMM_ENABLED, &vif->flags); 3450478ac027SVasanthakumar Thiagarajan spin_lock_init(&vif->if_lock); 34518dafb70eSVasanthakumar Thiagarajan 345280abaf9bSVasanthakumar Thiagarajan INIT_LIST_HEAD(&vif->mc_filter); 345380abaf9bSVasanthakumar Thiagarajan 34548dafb70eSVasanthakumar Thiagarajan return 0; 34558dafb70eSVasanthakumar Thiagarajan } 34568dafb70eSVasanthakumar Thiagarajan 3457c25889e8SKalle Valo void ath6kl_cfg80211_vif_cleanup(struct ath6kl_vif *vif) 34588dafb70eSVasanthakumar Thiagarajan { 345955055976SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 346080abaf9bSVasanthakumar Thiagarajan struct ath6kl_mc_filter *mc_filter, *tmp; 346155055976SVasanthakumar Thiagarajan 34622132c69cSVasanthakumar Thiagarajan aggr_module_destroy(vif->aggr_cntxt); 3463108438bcSVasanthakumar Thiagarajan 346455055976SVasanthakumar Thiagarajan ar->avail_idx_map |= BIT(vif->fw_vif_idx); 346555055976SVasanthakumar Thiagarajan 346655055976SVasanthakumar Thiagarajan if (vif->nw_type == ADHOC_NETWORK) 346755055976SVasanthakumar Thiagarajan ar->ibss_if_active = false; 346855055976SVasanthakumar Thiagarajan 346980abaf9bSVasanthakumar Thiagarajan list_for_each_entry_safe(mc_filter, tmp, &vif->mc_filter, list) { 347080abaf9bSVasanthakumar Thiagarajan list_del(&mc_filter->list); 347180abaf9bSVasanthakumar Thiagarajan kfree(mc_filter); 347280abaf9bSVasanthakumar Thiagarajan } 347380abaf9bSVasanthakumar Thiagarajan 347427929723SVasanthakumar Thiagarajan unregister_netdevice(vif->ndev); 347555055976SVasanthakumar Thiagarajan 347655055976SVasanthakumar Thiagarajan ar->num_vif--; 34778dafb70eSVasanthakumar Thiagarajan } 34788dafb70eSVasanthakumar Thiagarajan 3479552bff0cSJohannes Berg struct wireless_dev *ath6kl_interface_add(struct ath6kl *ar, const char *name, 348084efbb84SJohannes Berg enum nl80211_iftype type, 348184efbb84SJohannes Berg u8 fw_vif_idx, u8 nw_type) 34828dafb70eSVasanthakumar Thiagarajan { 34838dafb70eSVasanthakumar Thiagarajan struct net_device *ndev; 3484108438bcSVasanthakumar Thiagarajan struct ath6kl_vif *vif; 34858dafb70eSVasanthakumar Thiagarajan 348655055976SVasanthakumar Thiagarajan ndev = alloc_netdev(sizeof(*vif), name, ether_setup); 34878dafb70eSVasanthakumar Thiagarajan if (!ndev) 34888dafb70eSVasanthakumar Thiagarajan return NULL; 34898dafb70eSVasanthakumar Thiagarajan 3490108438bcSVasanthakumar Thiagarajan vif = netdev_priv(ndev); 3491108438bcSVasanthakumar Thiagarajan ndev->ieee80211_ptr = &vif->wdev; 3492108438bcSVasanthakumar Thiagarajan vif->wdev.wiphy = ar->wiphy; 3493108438bcSVasanthakumar Thiagarajan vif->ar = ar; 3494108438bcSVasanthakumar Thiagarajan vif->ndev = ndev; 3495108438bcSVasanthakumar Thiagarajan SET_NETDEV_DEV(ndev, wiphy_dev(vif->wdev.wiphy)); 3496108438bcSVasanthakumar Thiagarajan vif->wdev.netdev = ndev; 3497108438bcSVasanthakumar Thiagarajan vif->wdev.iftype = type; 3498334234b5SVasanthakumar Thiagarajan vif->fw_vif_idx = fw_vif_idx; 3499d0d670abSKalle Valo vif->nw_type = nw_type; 3500d0d670abSKalle Valo vif->next_mode = nw_type; 35018f46fccdSRaja Mani vif->listen_intvl_t = ATH6KL_DEFAULT_LISTEN_INTVAL; 3502ce0dc0cfSRaja Mani vif->bmiss_time_t = ATH6KL_DEFAULT_BMISS_TIME; 3503eb38987eSRaja Mani vif->bg_scan_period = 0; 350467b3f129SKiran Reddy vif->htcap[IEEE80211_BAND_2GHZ].ht_enable = true; 350567b3f129SKiran Reddy vif->htcap[IEEE80211_BAND_5GHZ].ht_enable = true; 35068dafb70eSVasanthakumar Thiagarajan 350755055976SVasanthakumar Thiagarajan memcpy(ndev->dev_addr, ar->mac_addr, ETH_ALEN); 350855055976SVasanthakumar Thiagarajan if (fw_vif_idx != 0) 350955055976SVasanthakumar Thiagarajan ndev->dev_addr[0] = (ndev->dev_addr[0] ^ (1 << fw_vif_idx)) | 351055055976SVasanthakumar Thiagarajan 0x2; 351155055976SVasanthakumar Thiagarajan 35128dafb70eSVasanthakumar Thiagarajan init_netdev(ndev); 35138dafb70eSVasanthakumar Thiagarajan 3514e29f25f5SVasanthakumar Thiagarajan ath6kl_init_control_info(vif); 35158dafb70eSVasanthakumar Thiagarajan 3516c25889e8SKalle Valo if (ath6kl_cfg80211_vif_init(vif)) 35178dafb70eSVasanthakumar Thiagarajan goto err; 35188dafb70eSVasanthakumar Thiagarajan 351927929723SVasanthakumar Thiagarajan if (register_netdevice(ndev)) 35208dafb70eSVasanthakumar Thiagarajan goto err; 35218dafb70eSVasanthakumar Thiagarajan 352255055976SVasanthakumar Thiagarajan ar->avail_idx_map &= ~BIT(fw_vif_idx); 352314ee6f6bSVasanthakumar Thiagarajan vif->sme_state = SME_DISCONNECTED; 352459c98449SVasanthakumar Thiagarajan set_bit(WLAN_ENABLED, &vif->flags); 35258dafb70eSVasanthakumar Thiagarajan ar->wlan_pwr_state = WLAN_POWER_STATE_ON; 352659c98449SVasanthakumar Thiagarajan set_bit(NETDEV_REGISTERED, &vif->flags); 35278dafb70eSVasanthakumar Thiagarajan 352855055976SVasanthakumar Thiagarajan if (type == NL80211_IFTYPE_ADHOC) 352955055976SVasanthakumar Thiagarajan ar->ibss_if_active = true; 353055055976SVasanthakumar Thiagarajan 353111f6e40dSVasanthakumar Thiagarajan spin_lock_bh(&ar->list_lock); 3532990bd915SVasanthakumar Thiagarajan list_add_tail(&vif->list, &ar->vif_list); 353311f6e40dSVasanthakumar Thiagarajan spin_unlock_bh(&ar->list_lock); 3534990bd915SVasanthakumar Thiagarajan 353584efbb84SJohannes Berg return &vif->wdev; 35368dafb70eSVasanthakumar Thiagarajan 35378dafb70eSVasanthakumar Thiagarajan err: 353827929723SVasanthakumar Thiagarajan aggr_module_destroy(vif->aggr_cntxt); 353927929723SVasanthakumar Thiagarajan free_netdev(ndev); 3540bdcd8170SKalle Valo return NULL; 3541bdcd8170SKalle Valo } 3542bdcd8170SKalle Valo 354346d33a21SKalle Valo int ath6kl_cfg80211_init(struct ath6kl *ar) 354446d33a21SKalle Valo { 354546d33a21SKalle Valo struct wiphy *wiphy = ar->wiphy; 3546d92917e4SThomas Pedersen bool band_2gig = false, band_5gig = false, ht = false; 354746d33a21SKalle Valo int ret; 354846d33a21SKalle Valo 354946d33a21SKalle Valo wiphy->mgmt_stypes = ath6kl_mgmt_stypes; 355046d33a21SKalle Valo 355146d33a21SKalle Valo wiphy->max_remain_on_channel_duration = 5000; 355246d33a21SKalle Valo 355346d33a21SKalle Valo /* set device pointer for wiphy */ 355446d33a21SKalle Valo set_wiphy_dev(wiphy, ar->dev); 355546d33a21SKalle Valo 355646d33a21SKalle Valo wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 355746d33a21SKalle Valo BIT(NL80211_IFTYPE_ADHOC) | 355846d33a21SKalle Valo BIT(NL80211_IFTYPE_AP); 355946d33a21SKalle Valo if (ar->p2p) { 356046d33a21SKalle Valo wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_GO) | 356146d33a21SKalle Valo BIT(NL80211_IFTYPE_P2P_CLIENT); 356246d33a21SKalle Valo } 356346d33a21SKalle Valo 356446d33a21SKalle Valo /* max num of ssids that can be probed during scanning */ 35658ab5415dSJouni Malinen wiphy->max_scan_ssids = MAX_PROBED_SSIDS; 3566dd45b759SNaveen Singh 3567dd45b759SNaveen Singh /* max num of ssids that can be matched after scan */ 3568dd45b759SNaveen Singh if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_MATCH_LIST, 3569dd45b759SNaveen Singh ar->fw_capabilities)) 3570dd45b759SNaveen Singh wiphy->max_match_sets = MAX_PROBED_SSIDS; 3571dd45b759SNaveen Singh 357246d33a21SKalle Valo wiphy->max_scan_ie_len = 1000; /* FIX: what is correct limit? */ 3573d92917e4SThomas Pedersen switch (ar->hw.cap) { 3574d92917e4SThomas Pedersen case WMI_11AN_CAP: 3575d92917e4SThomas Pedersen ht = true; 3576d92917e4SThomas Pedersen case WMI_11A_CAP: 3577d92917e4SThomas Pedersen band_5gig = true; 3578d92917e4SThomas Pedersen break; 3579d92917e4SThomas Pedersen case WMI_11GN_CAP: 3580d92917e4SThomas Pedersen ht = true; 3581d92917e4SThomas Pedersen case WMI_11G_CAP: 3582d92917e4SThomas Pedersen band_2gig = true; 3583d92917e4SThomas Pedersen break; 3584d92917e4SThomas Pedersen case WMI_11AGN_CAP: 3585d92917e4SThomas Pedersen ht = true; 3586d92917e4SThomas Pedersen case WMI_11AG_CAP: 3587d92917e4SThomas Pedersen band_2gig = true; 3588d92917e4SThomas Pedersen band_5gig = true; 3589d92917e4SThomas Pedersen break; 3590d92917e4SThomas Pedersen default: 3591d92917e4SThomas Pedersen ath6kl_err("invalid phy capability!\n"); 3592d92917e4SThomas Pedersen return -EINVAL; 3593d92917e4SThomas Pedersen } 3594d92917e4SThomas Pedersen 35957fd1ce7eSVasanthakumar Thiagarajan /* 35967fd1ce7eSVasanthakumar Thiagarajan * Even if the fw has HT support, advertise HT cap only when 35977fd1ce7eSVasanthakumar Thiagarajan * the firmware has support to override RSN capability, otherwise 35987fd1ce7eSVasanthakumar Thiagarajan * 4-way handshake would fail. 35997fd1ce7eSVasanthakumar Thiagarajan */ 36007fd1ce7eSVasanthakumar Thiagarajan if (!(ht && 36017fd1ce7eSVasanthakumar Thiagarajan test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE, 36027fd1ce7eSVasanthakumar Thiagarajan ar->fw_capabilities))) { 3603d92917e4SThomas Pedersen ath6kl_band_2ghz.ht_cap.cap = 0; 3604d92917e4SThomas Pedersen ath6kl_band_2ghz.ht_cap.ht_supported = false; 3605d92917e4SThomas Pedersen ath6kl_band_5ghz.ht_cap.cap = 0; 3606d92917e4SThomas Pedersen ath6kl_band_5ghz.ht_cap.ht_supported = false; 3607d92917e4SThomas Pedersen } 360806e360acSBala Shanmugam 360906e360acSBala Shanmugam if (ar->hw.flags & ATH6KL_HW_FLAG_64BIT_RATES) { 361006e360acSBala Shanmugam ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff; 361106e360acSBala Shanmugam ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff; 361206e360acSBala Shanmugam ath6kl_band_2ghz.ht_cap.mcs.rx_mask[1] = 0xff; 361306e360acSBala Shanmugam ath6kl_band_5ghz.ht_cap.mcs.rx_mask[1] = 0xff; 361406e360acSBala Shanmugam } else { 361506e360acSBala Shanmugam ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff; 361606e360acSBala Shanmugam ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff; 361706e360acSBala Shanmugam } 361806e360acSBala Shanmugam 3619d92917e4SThomas Pedersen if (band_2gig) 362046d33a21SKalle Valo wiphy->bands[IEEE80211_BAND_2GHZ] = &ath6kl_band_2ghz; 3621d92917e4SThomas Pedersen if (band_5gig) 362246d33a21SKalle Valo wiphy->bands[IEEE80211_BAND_5GHZ] = &ath6kl_band_5ghz; 3623d92917e4SThomas Pedersen 362446d33a21SKalle Valo wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; 362546d33a21SKalle Valo 362646d33a21SKalle Valo wiphy->cipher_suites = cipher_suites; 362746d33a21SKalle Valo wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); 362846d33a21SKalle Valo 3629dfb89c56SJohannes Berg #ifdef CONFIG_PM 363046d33a21SKalle Valo wiphy->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT | 363146d33a21SKalle Valo WIPHY_WOWLAN_DISCONNECT | 363246d33a21SKalle Valo WIPHY_WOWLAN_GTK_REKEY_FAILURE | 363346d33a21SKalle Valo WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | 363446d33a21SKalle Valo WIPHY_WOWLAN_EAP_IDENTITY_REQ | 363546d33a21SKalle Valo WIPHY_WOWLAN_4WAY_HANDSHAKE; 363646d33a21SKalle Valo wiphy->wowlan.n_patterns = WOW_MAX_FILTERS_PER_LIST; 363746d33a21SKalle Valo wiphy->wowlan.pattern_min_len = 1; 363846d33a21SKalle Valo wiphy->wowlan.pattern_max_len = WOW_PATTERN_SIZE; 3639dfb89c56SJohannes Berg #endif 364046d33a21SKalle Valo 36418ab5415dSJouni Malinen wiphy->max_sched_scan_ssids = MAX_PROBED_SSIDS; 364246d33a21SKalle Valo 3643f2afdac7SVasanthakumar Thiagarajan ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM | 3644f2afdac7SVasanthakumar Thiagarajan WIPHY_FLAG_HAVE_AP_SME | 3645f2afdac7SVasanthakumar Thiagarajan WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | 3646f2afdac7SVasanthakumar Thiagarajan WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD; 3647f2afdac7SVasanthakumar Thiagarajan 3648f2afdac7SVasanthakumar Thiagarajan if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN, ar->fw_capabilities)) 3649f2afdac7SVasanthakumar Thiagarajan ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN; 3650f2afdac7SVasanthakumar Thiagarajan 365103bdeb0dSVasanthakumar Thiagarajan if (test_bit(ATH6KL_FW_CAPABILITY_INACTIVITY_TIMEOUT, 365203bdeb0dSVasanthakumar Thiagarajan ar->fw_capabilities)) 3653b292219fSJohannes Berg ar->wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER; 365403bdeb0dSVasanthakumar Thiagarajan 3655f2afdac7SVasanthakumar Thiagarajan ar->wiphy->probe_resp_offload = 3656f2afdac7SVasanthakumar Thiagarajan NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | 3657f2afdac7SVasanthakumar Thiagarajan NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | 3658a432e7ccSJouni Malinen NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; 3659f2afdac7SVasanthakumar Thiagarajan 366046d33a21SKalle Valo ret = wiphy_register(wiphy); 366146d33a21SKalle Valo if (ret < 0) { 366246d33a21SKalle Valo ath6kl_err("couldn't register wiphy device\n"); 366346d33a21SKalle Valo return ret; 366446d33a21SKalle Valo } 366546d33a21SKalle Valo 3666e5348a1eSVasanthakumar Thiagarajan ar->wiphy_registered = true; 3667e5348a1eSVasanthakumar Thiagarajan 366846d33a21SKalle Valo return 0; 366946d33a21SKalle Valo } 367046d33a21SKalle Valo 367146d33a21SKalle Valo void ath6kl_cfg80211_cleanup(struct ath6kl *ar) 3672bdcd8170SKalle Valo { 3673be98e3a4SVasanthakumar Thiagarajan wiphy_unregister(ar->wiphy); 3674e5348a1eSVasanthakumar Thiagarajan 3675e5348a1eSVasanthakumar Thiagarajan ar->wiphy_registered = false; 367645eaa78fSKalle Valo } 367746d33a21SKalle Valo 367845eaa78fSKalle Valo struct ath6kl *ath6kl_cfg80211_create(void) 367945eaa78fSKalle Valo { 368045eaa78fSKalle Valo struct ath6kl *ar; 368145eaa78fSKalle Valo struct wiphy *wiphy; 368245eaa78fSKalle Valo 368345eaa78fSKalle Valo /* create a new wiphy for use with cfg80211 */ 368445eaa78fSKalle Valo wiphy = wiphy_new(&ath6kl_cfg80211_ops, sizeof(struct ath6kl)); 368545eaa78fSKalle Valo 368645eaa78fSKalle Valo if (!wiphy) { 368745eaa78fSKalle Valo ath6kl_err("couldn't allocate wiphy device\n"); 368845eaa78fSKalle Valo return NULL; 368945eaa78fSKalle Valo } 369045eaa78fSKalle Valo 369145eaa78fSKalle Valo ar = wiphy_priv(wiphy); 369245eaa78fSKalle Valo ar->wiphy = wiphy; 369345eaa78fSKalle Valo 369445eaa78fSKalle Valo return ar; 369545eaa78fSKalle Valo } 369645eaa78fSKalle Valo 369745eaa78fSKalle Valo /* Note: ar variable must not be accessed after calling this! */ 369845eaa78fSKalle Valo void ath6kl_cfg80211_destroy(struct ath6kl *ar) 369945eaa78fSKalle Valo { 37001d2a4456SVasanthakumar Thiagarajan int i; 37011d2a4456SVasanthakumar Thiagarajan 37021d2a4456SVasanthakumar Thiagarajan for (i = 0; i < AP_MAX_NUM_STA; i++) 37031d2a4456SVasanthakumar Thiagarajan kfree(ar->sta_list[i].aggr_conn); 37041d2a4456SVasanthakumar Thiagarajan 3705be98e3a4SVasanthakumar Thiagarajan wiphy_free(ar->wiphy); 3706bdcd8170SKalle Valo } 370745eaa78fSKalle Valo 3708