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 /* 1388bdcd8170SKalle Valo * The type nl80211_tx_power_setting replaces the following 1389bdcd8170SKalle Valo * data type from 2.6.36 onwards 1390bdcd8170SKalle Valo */ 1391bdcd8170SKalle Valo static int ath6kl_cfg80211_set_txpower(struct wiphy *wiphy, 1392bdcd8170SKalle Valo enum nl80211_tx_power_setting type, 1393b992a285SLuis R. Rodriguez int mbm) 1394bdcd8170SKalle Valo { 1395bdcd8170SKalle Valo struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy); 1396990bd915SVasanthakumar Thiagarajan struct ath6kl_vif *vif; 1397b992a285SLuis R. Rodriguez int dbm = MBM_TO_DBM(mbm); 1398bdcd8170SKalle Valo 1399bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x, dbm %d\n", __func__, 1400bdcd8170SKalle Valo type, dbm); 1401bdcd8170SKalle Valo 1402990bd915SVasanthakumar Thiagarajan vif = ath6kl_vif_first(ar); 1403990bd915SVasanthakumar Thiagarajan if (!vif) 1404990bd915SVasanthakumar Thiagarajan return -EIO; 1405990bd915SVasanthakumar Thiagarajan 1406990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1407bdcd8170SKalle Valo return -EIO; 1408bdcd8170SKalle Valo 1409bdcd8170SKalle Valo switch (type) { 1410bdcd8170SKalle Valo case NL80211_TX_POWER_AUTOMATIC: 1411bdcd8170SKalle Valo return 0; 1412bdcd8170SKalle Valo case NL80211_TX_POWER_LIMITED: 1413d0d670abSKalle Valo ar->tx_pwr = dbm; 1414bdcd8170SKalle Valo break; 1415bdcd8170SKalle Valo default: 1416bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x not supported\n", 1417bdcd8170SKalle Valo __func__, type); 1418bdcd8170SKalle Valo return -EOPNOTSUPP; 1419bdcd8170SKalle Valo } 1420bdcd8170SKalle Valo 1421d0d670abSKalle Valo ath6kl_wmi_set_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx, dbm); 1422bdcd8170SKalle Valo 1423bdcd8170SKalle Valo return 0; 1424bdcd8170SKalle Valo } 1425bdcd8170SKalle Valo 1426bdcd8170SKalle Valo static int ath6kl_cfg80211_get_txpower(struct wiphy *wiphy, int *dbm) 1427bdcd8170SKalle Valo { 1428bdcd8170SKalle Valo struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy); 1429990bd915SVasanthakumar Thiagarajan struct ath6kl_vif *vif; 1430bdcd8170SKalle Valo 1431990bd915SVasanthakumar Thiagarajan vif = ath6kl_vif_first(ar); 1432990bd915SVasanthakumar Thiagarajan if (!vif) 1433990bd915SVasanthakumar Thiagarajan return -EIO; 1434990bd915SVasanthakumar Thiagarajan 1435990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1436bdcd8170SKalle Valo return -EIO; 1437bdcd8170SKalle Valo 143859c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags)) { 1439bdcd8170SKalle Valo ar->tx_pwr = 0; 1440bdcd8170SKalle Valo 1441990bd915SVasanthakumar Thiagarajan if (ath6kl_wmi_get_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx) != 0) { 1442bdcd8170SKalle Valo ath6kl_err("ath6kl_wmi_get_tx_pwr_cmd failed\n"); 1443bdcd8170SKalle Valo return -EIO; 1444bdcd8170SKalle Valo } 1445bdcd8170SKalle Valo 1446bdcd8170SKalle Valo wait_event_interruptible_timeout(ar->event_wq, ar->tx_pwr != 0, 1447bdcd8170SKalle Valo 5 * HZ); 1448bdcd8170SKalle Valo 1449bdcd8170SKalle Valo if (signal_pending(current)) { 1450bdcd8170SKalle Valo ath6kl_err("target did not respond\n"); 1451bdcd8170SKalle Valo return -EINTR; 1452bdcd8170SKalle Valo } 1453bdcd8170SKalle Valo } 1454bdcd8170SKalle Valo 1455bdcd8170SKalle Valo *dbm = ar->tx_pwr; 1456bdcd8170SKalle Valo return 0; 1457bdcd8170SKalle Valo } 1458bdcd8170SKalle Valo 1459bdcd8170SKalle Valo static int ath6kl_cfg80211_set_power_mgmt(struct wiphy *wiphy, 1460bdcd8170SKalle Valo struct net_device *dev, 1461bdcd8170SKalle Valo bool pmgmt, int timeout) 1462bdcd8170SKalle Valo { 1463bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 1464bdcd8170SKalle Valo struct wmi_power_mode_cmd mode; 1465334234b5SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1466bdcd8170SKalle Valo 1467bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: pmgmt %d, timeout %d\n", 1468bdcd8170SKalle Valo __func__, pmgmt, timeout); 1469bdcd8170SKalle Valo 1470990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1471bdcd8170SKalle Valo return -EIO; 1472bdcd8170SKalle Valo 1473bdcd8170SKalle Valo if (pmgmt) { 1474bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: max perf\n", __func__); 1475bdcd8170SKalle Valo mode.pwr_mode = REC_POWER; 1476bdcd8170SKalle Valo } else { 1477bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: rec power\n", __func__); 1478bdcd8170SKalle Valo mode.pwr_mode = MAX_PERF_POWER; 1479bdcd8170SKalle Valo } 1480bdcd8170SKalle Valo 1481334234b5SVasanthakumar Thiagarajan if (ath6kl_wmi_powermode_cmd(ar->wmi, vif->fw_vif_idx, 1482334234b5SVasanthakumar Thiagarajan mode.pwr_mode) != 0) { 1483bdcd8170SKalle Valo ath6kl_err("wmi_powermode_cmd failed\n"); 1484bdcd8170SKalle Valo return -EIO; 1485bdcd8170SKalle Valo } 1486bdcd8170SKalle Valo 1487bdcd8170SKalle Valo return 0; 1488bdcd8170SKalle Valo } 1489bdcd8170SKalle Valo 149084efbb84SJohannes Berg static struct wireless_dev *ath6kl_cfg80211_add_iface(struct wiphy *wiphy, 1491552bff0cSJohannes Berg const char *name, 149255055976SVasanthakumar Thiagarajan enum nl80211_iftype type, 149355055976SVasanthakumar Thiagarajan u32 *flags, 149455055976SVasanthakumar Thiagarajan struct vif_params *params) 149555055976SVasanthakumar Thiagarajan { 149655055976SVasanthakumar Thiagarajan struct ath6kl *ar = wiphy_priv(wiphy); 149784efbb84SJohannes Berg struct wireless_dev *wdev; 149855055976SVasanthakumar Thiagarajan u8 if_idx, nw_type; 149955055976SVasanthakumar Thiagarajan 150071f96ee6SKalle Valo if (ar->num_vif == ar->vif_max) { 150155055976SVasanthakumar Thiagarajan ath6kl_err("Reached maximum number of supported vif\n"); 150255055976SVasanthakumar Thiagarajan return ERR_PTR(-EINVAL); 150355055976SVasanthakumar Thiagarajan } 150455055976SVasanthakumar Thiagarajan 150555055976SVasanthakumar Thiagarajan if (!ath6kl_is_valid_iftype(ar, type, &if_idx, &nw_type)) { 150655055976SVasanthakumar Thiagarajan ath6kl_err("Not a supported interface type\n"); 150755055976SVasanthakumar Thiagarajan return ERR_PTR(-EINVAL); 150855055976SVasanthakumar Thiagarajan } 150955055976SVasanthakumar Thiagarajan 151084efbb84SJohannes Berg wdev = ath6kl_interface_add(ar, name, type, if_idx, nw_type); 151184efbb84SJohannes Berg if (!wdev) 151255055976SVasanthakumar Thiagarajan return ERR_PTR(-ENOMEM); 151355055976SVasanthakumar Thiagarajan 151455055976SVasanthakumar Thiagarajan ar->num_vif++; 151555055976SVasanthakumar Thiagarajan 151684efbb84SJohannes Berg return wdev; 151755055976SVasanthakumar Thiagarajan } 151855055976SVasanthakumar Thiagarajan 151955055976SVasanthakumar Thiagarajan static int ath6kl_cfg80211_del_iface(struct wiphy *wiphy, 152084efbb84SJohannes Berg struct wireless_dev *wdev) 152155055976SVasanthakumar Thiagarajan { 152255055976SVasanthakumar Thiagarajan struct ath6kl *ar = wiphy_priv(wiphy); 152384efbb84SJohannes Berg struct ath6kl_vif *vif = netdev_priv(wdev->netdev); 152455055976SVasanthakumar Thiagarajan 152511f6e40dSVasanthakumar Thiagarajan spin_lock_bh(&ar->list_lock); 152655055976SVasanthakumar Thiagarajan list_del(&vif->list); 152711f6e40dSVasanthakumar Thiagarajan spin_unlock_bh(&ar->list_lock); 152855055976SVasanthakumar Thiagarajan 152955055976SVasanthakumar Thiagarajan ath6kl_cleanup_vif(vif, test_bit(WMI_READY, &ar->flag)); 153055055976SVasanthakumar Thiagarajan 1531c25889e8SKalle Valo ath6kl_cfg80211_vif_cleanup(vif); 153255055976SVasanthakumar Thiagarajan 153355055976SVasanthakumar Thiagarajan return 0; 153455055976SVasanthakumar Thiagarajan } 153555055976SVasanthakumar Thiagarajan 1536bdcd8170SKalle Valo static int ath6kl_cfg80211_change_iface(struct wiphy *wiphy, 1537bdcd8170SKalle Valo struct net_device *ndev, 1538bdcd8170SKalle Valo enum nl80211_iftype type, u32 *flags, 1539bdcd8170SKalle Valo struct vif_params *params) 1540bdcd8170SKalle Valo { 1541f5938f24SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 15421e8d13b0SVasanthakumar Thiagarajan int i; 1543bdcd8170SKalle Valo 1544bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type %u\n", __func__, type); 1545bdcd8170SKalle Valo 15461e8d13b0SVasanthakumar Thiagarajan /* 15471e8d13b0SVasanthakumar Thiagarajan * Don't bring up p2p on an interface which is not initialized 15481e8d13b0SVasanthakumar Thiagarajan * for p2p operation where fw does not have capability to switch 15491e8d13b0SVasanthakumar Thiagarajan * dynamically between non-p2p and p2p type interface. 15501e8d13b0SVasanthakumar Thiagarajan */ 15511e8d13b0SVasanthakumar Thiagarajan if (!test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX, 15521e8d13b0SVasanthakumar Thiagarajan vif->ar->fw_capabilities) && 15531e8d13b0SVasanthakumar Thiagarajan (type == NL80211_IFTYPE_P2P_CLIENT || 15541e8d13b0SVasanthakumar Thiagarajan type == NL80211_IFTYPE_P2P_GO)) { 15551e8d13b0SVasanthakumar Thiagarajan if (vif->ar->vif_max == 1) { 15561e8d13b0SVasanthakumar Thiagarajan if (vif->fw_vif_idx != 0) 15571e8d13b0SVasanthakumar Thiagarajan return -EINVAL; 15581e8d13b0SVasanthakumar Thiagarajan else 15591e8d13b0SVasanthakumar Thiagarajan goto set_iface_type; 15601e8d13b0SVasanthakumar Thiagarajan } 15611e8d13b0SVasanthakumar Thiagarajan 15621e8d13b0SVasanthakumar Thiagarajan for (i = vif->ar->max_norm_iface; i < vif->ar->vif_max; i++) { 15631e8d13b0SVasanthakumar Thiagarajan if (i == vif->fw_vif_idx) 15641e8d13b0SVasanthakumar Thiagarajan break; 15651e8d13b0SVasanthakumar Thiagarajan } 15661e8d13b0SVasanthakumar Thiagarajan 15671e8d13b0SVasanthakumar Thiagarajan if (i == vif->ar->vif_max) { 15681e8d13b0SVasanthakumar Thiagarajan ath6kl_err("Invalid interface to bring up P2P\n"); 15691e8d13b0SVasanthakumar Thiagarajan return -EINVAL; 15701e8d13b0SVasanthakumar Thiagarajan } 15711e8d13b0SVasanthakumar Thiagarajan } 15721e8d13b0SVasanthakumar Thiagarajan 1573c422d52dSThomas Pedersen /* need to clean up enhanced bmiss detection fw state */ 1574c422d52dSThomas Pedersen ath6kl_cfg80211_sta_bmiss_enhance(vif, false); 1575c422d52dSThomas Pedersen 15761e8d13b0SVasanthakumar Thiagarajan set_iface_type: 1577bdcd8170SKalle Valo switch (type) { 1578bdcd8170SKalle Valo case NL80211_IFTYPE_STATION: 1579f5938f24SVasanthakumar Thiagarajan vif->next_mode = INFRA_NETWORK; 1580bdcd8170SKalle Valo break; 1581bdcd8170SKalle Valo case NL80211_IFTYPE_ADHOC: 1582f5938f24SVasanthakumar Thiagarajan vif->next_mode = ADHOC_NETWORK; 1583bdcd8170SKalle Valo break; 15846e4604c8SJouni Malinen case NL80211_IFTYPE_AP: 1585f5938f24SVasanthakumar Thiagarajan vif->next_mode = AP_NETWORK; 15866e4604c8SJouni Malinen break; 15876b5e5d25SJouni Malinen case NL80211_IFTYPE_P2P_CLIENT: 1588f5938f24SVasanthakumar Thiagarajan vif->next_mode = INFRA_NETWORK; 15896b5e5d25SJouni Malinen break; 15906b5e5d25SJouni Malinen case NL80211_IFTYPE_P2P_GO: 1591f5938f24SVasanthakumar Thiagarajan vif->next_mode = AP_NETWORK; 15926b5e5d25SJouni Malinen break; 1593bdcd8170SKalle Valo default: 1594bdcd8170SKalle Valo ath6kl_err("invalid interface type %u\n", type); 1595bdcd8170SKalle Valo return -EOPNOTSUPP; 1596bdcd8170SKalle Valo } 1597bdcd8170SKalle Valo 1598551959d8SVasanthakumar Thiagarajan vif->wdev.iftype = type; 1599bdcd8170SKalle Valo 1600bdcd8170SKalle Valo return 0; 1601bdcd8170SKalle Valo } 1602bdcd8170SKalle Valo 1603bdcd8170SKalle Valo static int ath6kl_cfg80211_join_ibss(struct wiphy *wiphy, 1604bdcd8170SKalle Valo struct net_device *dev, 1605bdcd8170SKalle Valo struct cfg80211_ibss_params *ibss_param) 1606bdcd8170SKalle Valo { 1607bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 160859c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1609bdcd8170SKalle Valo int status; 1610bdcd8170SKalle Valo 1611990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1612bdcd8170SKalle Valo return -EIO; 1613bdcd8170SKalle Valo 16143450334fSVasanthakumar Thiagarajan vif->ssid_len = ibss_param->ssid_len; 16153450334fSVasanthakumar Thiagarajan memcpy(vif->ssid, ibss_param->ssid, vif->ssid_len); 1616bdcd8170SKalle Valo 1617bdcd8170SKalle Valo if (ibss_param->channel) 1618f74bac54SVasanthakumar Thiagarajan vif->ch_hint = ibss_param->channel->center_freq; 1619bdcd8170SKalle Valo 1620bdcd8170SKalle Valo if (ibss_param->channel_fixed) { 1621bdcd8170SKalle Valo /* 1622bdcd8170SKalle Valo * TODO: channel_fixed: The channel should be fixed, do not 1623bdcd8170SKalle Valo * search for IBSSs to join on other channels. Target 1624bdcd8170SKalle Valo * firmware does not support this feature, needs to be 1625bdcd8170SKalle Valo * updated. 1626bdcd8170SKalle Valo */ 1627bdcd8170SKalle Valo return -EOPNOTSUPP; 1628bdcd8170SKalle Valo } 1629bdcd8170SKalle Valo 16308c8b65e3SVasanthakumar Thiagarajan memset(vif->req_bssid, 0, sizeof(vif->req_bssid)); 1631bdcd8170SKalle Valo if (ibss_param->bssid && !is_broadcast_ether_addr(ibss_param->bssid)) 16328c8b65e3SVasanthakumar Thiagarajan memcpy(vif->req_bssid, ibss_param->bssid, 16338c8b65e3SVasanthakumar Thiagarajan sizeof(vif->req_bssid)); 1634bdcd8170SKalle Valo 1635240d2799SVasanthakumar Thiagarajan ath6kl_set_wpa_version(vif, 0); 1636bdcd8170SKalle Valo 1637240d2799SVasanthakumar Thiagarajan status = ath6kl_set_auth_type(vif, NL80211_AUTHTYPE_OPEN_SYSTEM); 1638bdcd8170SKalle Valo if (status) 1639bdcd8170SKalle Valo return status; 1640bdcd8170SKalle Valo 1641bdcd8170SKalle Valo if (ibss_param->privacy) { 1642240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, true); 1643240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, false); 1644bdcd8170SKalle Valo } else { 1645240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, 0, true); 1646240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, 0, false); 1647bdcd8170SKalle Valo } 1648bdcd8170SKalle Valo 1649f5938f24SVasanthakumar Thiagarajan vif->nw_type = vif->next_mode; 1650bdcd8170SKalle Valo 1651bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1652bdcd8170SKalle Valo "%s: connect called with authmode %d dot11 auth %d" 1653bdcd8170SKalle Valo " PW crypto %d PW crypto len %d GRP crypto %d" 1654bdcd8170SKalle Valo " GRP crypto len %d channel hint %u\n", 1655bdcd8170SKalle Valo __func__, 16563450334fSVasanthakumar Thiagarajan vif->auth_mode, vif->dot11_auth_mode, vif->prwise_crypto, 16573450334fSVasanthakumar Thiagarajan vif->prwise_crypto_len, vif->grp_crypto, 1658f74bac54SVasanthakumar Thiagarajan vif->grp_crypto_len, vif->ch_hint); 1659bdcd8170SKalle Valo 1660334234b5SVasanthakumar Thiagarajan status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type, 16613450334fSVasanthakumar Thiagarajan vif->dot11_auth_mode, vif->auth_mode, 16623450334fSVasanthakumar Thiagarajan vif->prwise_crypto, 16633450334fSVasanthakumar Thiagarajan vif->prwise_crypto_len, 16643450334fSVasanthakumar Thiagarajan vif->grp_crypto, vif->grp_crypto_len, 16653450334fSVasanthakumar Thiagarajan vif->ssid_len, vif->ssid, 1666f74bac54SVasanthakumar Thiagarajan vif->req_bssid, vif->ch_hint, 16673ca9d1fcSAarthi Thiruvengadam ar->connect_ctrl_flags, SUBTYPE_NONE); 166859c98449SVasanthakumar Thiagarajan set_bit(CONNECT_PEND, &vif->flags); 1669bdcd8170SKalle Valo 1670bdcd8170SKalle Valo return 0; 1671bdcd8170SKalle Valo } 1672bdcd8170SKalle Valo 1673bdcd8170SKalle Valo static int ath6kl_cfg80211_leave_ibss(struct wiphy *wiphy, 1674bdcd8170SKalle Valo struct net_device *dev) 1675bdcd8170SKalle Valo { 16763450334fSVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1677bdcd8170SKalle Valo 1678990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1679bdcd8170SKalle Valo return -EIO; 1680bdcd8170SKalle Valo 1681240d2799SVasanthakumar Thiagarajan ath6kl_disconnect(vif); 16823450334fSVasanthakumar Thiagarajan memset(vif->ssid, 0, sizeof(vif->ssid)); 16833450334fSVasanthakumar Thiagarajan vif->ssid_len = 0; 1684bdcd8170SKalle Valo 1685bdcd8170SKalle Valo return 0; 1686bdcd8170SKalle Valo } 1687bdcd8170SKalle Valo 1688bdcd8170SKalle Valo static const u32 cipher_suites[] = { 1689bdcd8170SKalle Valo WLAN_CIPHER_SUITE_WEP40, 1690bdcd8170SKalle Valo WLAN_CIPHER_SUITE_WEP104, 1691bdcd8170SKalle Valo WLAN_CIPHER_SUITE_TKIP, 1692bdcd8170SKalle Valo WLAN_CIPHER_SUITE_CCMP, 1693837cb97eSJouni Malinen CCKM_KRK_CIPHER_SUITE, 16945e07021eSDai Shuibing WLAN_CIPHER_SUITE_SMS4, 1695bdcd8170SKalle Valo }; 1696bdcd8170SKalle Valo 1697bdcd8170SKalle Valo static bool is_rate_legacy(s32 rate) 1698bdcd8170SKalle Valo { 1699bdcd8170SKalle Valo static const s32 legacy[] = { 1000, 2000, 5500, 11000, 1700bdcd8170SKalle Valo 6000, 9000, 12000, 18000, 24000, 1701bdcd8170SKalle Valo 36000, 48000, 54000 1702bdcd8170SKalle Valo }; 1703bdcd8170SKalle Valo u8 i; 1704bdcd8170SKalle Valo 1705bdcd8170SKalle Valo for (i = 0; i < ARRAY_SIZE(legacy); i++) 1706bdcd8170SKalle Valo if (rate == legacy[i]) 1707bdcd8170SKalle Valo return true; 1708bdcd8170SKalle Valo 1709bdcd8170SKalle Valo return false; 1710bdcd8170SKalle Valo } 1711bdcd8170SKalle Valo 1712bdcd8170SKalle Valo static bool is_rate_ht20(s32 rate, u8 *mcs, bool *sgi) 1713bdcd8170SKalle Valo { 1714bdcd8170SKalle Valo static const s32 ht20[] = { 6500, 13000, 19500, 26000, 39000, 1715bdcd8170SKalle Valo 52000, 58500, 65000, 72200 1716bdcd8170SKalle Valo }; 1717bdcd8170SKalle Valo u8 i; 1718bdcd8170SKalle Valo 1719bdcd8170SKalle Valo for (i = 0; i < ARRAY_SIZE(ht20); i++) { 1720bdcd8170SKalle Valo if (rate == ht20[i]) { 1721bdcd8170SKalle Valo if (i == ARRAY_SIZE(ht20) - 1) 1722bdcd8170SKalle Valo /* last rate uses sgi */ 1723bdcd8170SKalle Valo *sgi = true; 1724bdcd8170SKalle Valo else 1725bdcd8170SKalle Valo *sgi = false; 1726bdcd8170SKalle Valo 1727bdcd8170SKalle Valo *mcs = i; 1728bdcd8170SKalle Valo return true; 1729bdcd8170SKalle Valo } 1730bdcd8170SKalle Valo } 1731bdcd8170SKalle Valo return false; 1732bdcd8170SKalle Valo } 1733bdcd8170SKalle Valo 1734bdcd8170SKalle Valo static bool is_rate_ht40(s32 rate, u8 *mcs, bool *sgi) 1735bdcd8170SKalle Valo { 1736bdcd8170SKalle Valo static const s32 ht40[] = { 13500, 27000, 40500, 54000, 1737bdcd8170SKalle Valo 81000, 108000, 121500, 135000, 1738bdcd8170SKalle Valo 150000 1739bdcd8170SKalle Valo }; 1740bdcd8170SKalle Valo u8 i; 1741bdcd8170SKalle Valo 1742bdcd8170SKalle Valo for (i = 0; i < ARRAY_SIZE(ht40); i++) { 1743bdcd8170SKalle Valo if (rate == ht40[i]) { 1744bdcd8170SKalle Valo if (i == ARRAY_SIZE(ht40) - 1) 1745bdcd8170SKalle Valo /* last rate uses sgi */ 1746bdcd8170SKalle Valo *sgi = true; 1747bdcd8170SKalle Valo else 1748bdcd8170SKalle Valo *sgi = false; 1749bdcd8170SKalle Valo 1750bdcd8170SKalle Valo *mcs = i; 1751bdcd8170SKalle Valo return true; 1752bdcd8170SKalle Valo } 1753bdcd8170SKalle Valo } 1754bdcd8170SKalle Valo 1755bdcd8170SKalle Valo return false; 1756bdcd8170SKalle Valo } 1757bdcd8170SKalle Valo 1758bdcd8170SKalle Valo static int ath6kl_get_station(struct wiphy *wiphy, struct net_device *dev, 1759bdcd8170SKalle Valo u8 *mac, struct station_info *sinfo) 1760bdcd8170SKalle Valo { 1761bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 176259c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1763bdcd8170SKalle Valo long left; 1764bdcd8170SKalle Valo bool sgi; 1765bdcd8170SKalle Valo s32 rate; 1766bdcd8170SKalle Valo int ret; 1767bdcd8170SKalle Valo u8 mcs; 1768bdcd8170SKalle Valo 17698c8b65e3SVasanthakumar Thiagarajan if (memcmp(mac, vif->bssid, ETH_ALEN) != 0) 1770bdcd8170SKalle Valo return -ENOENT; 1771bdcd8170SKalle Valo 1772bdcd8170SKalle Valo if (down_interruptible(&ar->sem)) 1773bdcd8170SKalle Valo return -EBUSY; 1774bdcd8170SKalle Valo 1775b95907a7SVasanthakumar Thiagarajan set_bit(STATS_UPDATE_PEND, &vif->flags); 1776bdcd8170SKalle Valo 1777334234b5SVasanthakumar Thiagarajan ret = ath6kl_wmi_get_stats_cmd(ar->wmi, vif->fw_vif_idx); 1778bdcd8170SKalle Valo 1779bdcd8170SKalle Valo if (ret != 0) { 1780bdcd8170SKalle Valo up(&ar->sem); 1781bdcd8170SKalle Valo return -EIO; 1782bdcd8170SKalle Valo } 1783bdcd8170SKalle Valo 1784bdcd8170SKalle Valo left = wait_event_interruptible_timeout(ar->event_wq, 1785bdcd8170SKalle Valo !test_bit(STATS_UPDATE_PEND, 1786b95907a7SVasanthakumar Thiagarajan &vif->flags), 1787bdcd8170SKalle Valo WMI_TIMEOUT); 1788bdcd8170SKalle Valo 1789bdcd8170SKalle Valo up(&ar->sem); 1790bdcd8170SKalle Valo 1791bdcd8170SKalle Valo if (left == 0) 1792bdcd8170SKalle Valo return -ETIMEDOUT; 1793bdcd8170SKalle Valo else if (left < 0) 1794bdcd8170SKalle Valo return left; 1795bdcd8170SKalle Valo 1796b95907a7SVasanthakumar Thiagarajan if (vif->target_stats.rx_byte) { 1797b95907a7SVasanthakumar Thiagarajan sinfo->rx_bytes = vif->target_stats.rx_byte; 1798bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_RX_BYTES; 1799b95907a7SVasanthakumar Thiagarajan sinfo->rx_packets = vif->target_stats.rx_pkt; 1800bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_RX_PACKETS; 1801bdcd8170SKalle Valo } 1802bdcd8170SKalle Valo 1803b95907a7SVasanthakumar Thiagarajan if (vif->target_stats.tx_byte) { 1804b95907a7SVasanthakumar Thiagarajan sinfo->tx_bytes = vif->target_stats.tx_byte; 1805bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_TX_BYTES; 1806b95907a7SVasanthakumar Thiagarajan sinfo->tx_packets = vif->target_stats.tx_pkt; 1807bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_TX_PACKETS; 1808bdcd8170SKalle Valo } 1809bdcd8170SKalle Valo 1810b95907a7SVasanthakumar Thiagarajan sinfo->signal = vif->target_stats.cs_rssi; 1811bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_SIGNAL; 1812bdcd8170SKalle Valo 1813b95907a7SVasanthakumar Thiagarajan rate = vif->target_stats.tx_ucast_rate; 1814bdcd8170SKalle Valo 1815bdcd8170SKalle Valo if (is_rate_legacy(rate)) { 1816bdcd8170SKalle Valo sinfo->txrate.legacy = rate / 100; 1817bdcd8170SKalle Valo } else if (is_rate_ht20(rate, &mcs, &sgi)) { 1818bdcd8170SKalle Valo if (sgi) { 1819bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; 1820bdcd8170SKalle Valo sinfo->txrate.mcs = mcs - 1; 1821bdcd8170SKalle Valo } else { 1822bdcd8170SKalle Valo sinfo->txrate.mcs = mcs; 1823bdcd8170SKalle Valo } 1824bdcd8170SKalle Valo 1825bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; 1826bdcd8170SKalle Valo } else if (is_rate_ht40(rate, &mcs, &sgi)) { 1827bdcd8170SKalle Valo if (sgi) { 1828bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; 1829bdcd8170SKalle Valo sinfo->txrate.mcs = mcs - 1; 1830bdcd8170SKalle Valo } else { 1831bdcd8170SKalle Valo sinfo->txrate.mcs = mcs; 1832bdcd8170SKalle Valo } 1833bdcd8170SKalle Valo 1834bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; 1835bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; 1836bdcd8170SKalle Valo } else { 18379a730834SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 18389a730834SKalle Valo "invalid rate from stats: %d\n", rate); 18399a730834SKalle Valo ath6kl_debug_war(ar, ATH6KL_WAR_INVALID_RATE); 1840bdcd8170SKalle Valo return 0; 1841bdcd8170SKalle Valo } 1842bdcd8170SKalle Valo 1843bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_TX_BITRATE; 1844bdcd8170SKalle Valo 184559c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags) && 184659c98449SVasanthakumar Thiagarajan test_bit(DTIM_PERIOD_AVAIL, &vif->flags) && 1847f5938f24SVasanthakumar Thiagarajan vif->nw_type == INFRA_NETWORK) { 184832c10874SJouni Malinen sinfo->filled |= STATION_INFO_BSS_PARAM; 184932c10874SJouni Malinen sinfo->bss_param.flags = 0; 1850cf5333d7SVasanthakumar Thiagarajan sinfo->bss_param.dtim_period = vif->assoc_bss_dtim_period; 1851cf5333d7SVasanthakumar Thiagarajan sinfo->bss_param.beacon_interval = vif->assoc_bss_beacon_int; 185232c10874SJouni Malinen } 185332c10874SJouni Malinen 1854bdcd8170SKalle Valo return 0; 1855bdcd8170SKalle Valo } 1856bdcd8170SKalle Valo 1857bdcd8170SKalle Valo static int ath6kl_set_pmksa(struct wiphy *wiphy, struct net_device *netdev, 1858bdcd8170SKalle Valo struct cfg80211_pmksa *pmksa) 1859bdcd8170SKalle Valo { 1860bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(netdev); 1861334234b5SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(netdev); 1862334234b5SVasanthakumar Thiagarajan 1863334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid, 1864bdcd8170SKalle Valo pmksa->pmkid, true); 1865bdcd8170SKalle Valo } 1866bdcd8170SKalle Valo 1867bdcd8170SKalle Valo static int ath6kl_del_pmksa(struct wiphy *wiphy, struct net_device *netdev, 1868bdcd8170SKalle Valo struct cfg80211_pmksa *pmksa) 1869bdcd8170SKalle Valo { 1870bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(netdev); 1871334234b5SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(netdev); 1872334234b5SVasanthakumar Thiagarajan 1873334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid, 1874bdcd8170SKalle Valo pmksa->pmkid, false); 1875bdcd8170SKalle Valo } 1876bdcd8170SKalle Valo 1877bdcd8170SKalle Valo static int ath6kl_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev) 1878bdcd8170SKalle Valo { 1879bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(netdev); 188059c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(netdev); 188159c98449SVasanthakumar Thiagarajan 188259c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags)) 1883334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, 1884334234b5SVasanthakumar Thiagarajan vif->bssid, NULL, false); 1885bdcd8170SKalle Valo return 0; 1886bdcd8170SKalle Valo } 1887bdcd8170SKalle Valo 1888d91e8eeeSRaja Mani static int ath6kl_wow_usr(struct ath6kl *ar, struct ath6kl_vif *vif, 1889d91e8eeeSRaja Mani struct cfg80211_wowlan *wow, u32 *filter) 18906cb3c714SRaja Mani { 1891d91e8eeeSRaja Mani int ret, pos; 1892d91e8eeeSRaja Mani u8 mask[WOW_MASK_SIZE]; 18936cb3c714SRaja Mani u16 i; 18946cb3c714SRaja Mani 1895d91e8eeeSRaja Mani /* Configure the patterns that we received from the user. */ 18966cb3c714SRaja Mani for (i = 0; i < wow->n_patterns; i++) { 18976cb3c714SRaja Mani 18986cb3c714SRaja Mani /* 18996cb3c714SRaja Mani * Convert given nl80211 specific mask value to equivalent 19006cb3c714SRaja Mani * driver specific mask value and send it to the chip along 19016cb3c714SRaja Mani * with patterns. For example, If the mask value defined in 19026cb3c714SRaja Mani * struct cfg80211_wowlan is 0xA (equivalent binary is 1010), 19036cb3c714SRaja Mani * then equivalent driver specific mask value is 19046cb3c714SRaja Mani * "0xFF 0x00 0xFF 0x00". 19056cb3c714SRaja Mani */ 19066cb3c714SRaja Mani memset(&mask, 0, sizeof(mask)); 19076cb3c714SRaja Mani for (pos = 0; pos < wow->patterns[i].pattern_len; pos++) { 19086cb3c714SRaja Mani if (wow->patterns[i].mask[pos / 8] & (0x1 << (pos % 8))) 19096cb3c714SRaja Mani mask[pos] = 0xFF; 19106cb3c714SRaja Mani } 19116cb3c714SRaja Mani /* 19126cb3c714SRaja Mani * Note: Pattern's offset is not passed as part of wowlan 19136cb3c714SRaja Mani * parameter from CFG layer. So it's always passed as ZERO 19146cb3c714SRaja Mani * to the firmware. It means, given WOW patterns are always 19156cb3c714SRaja Mani * matched from the first byte of received pkt in the firmware. 19166cb3c714SRaja Mani */ 19176cb3c714SRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 19186cb3c714SRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 19196cb3c714SRaja Mani wow->patterns[i].pattern_len, 19206cb3c714SRaja Mani 0 /* pattern offset */, 19216cb3c714SRaja Mani wow->patterns[i].pattern, mask); 19226cb3c714SRaja Mani if (ret) 19236cb3c714SRaja Mani return ret; 19246cb3c714SRaja Mani } 19256cb3c714SRaja Mani 1926d91e8eeeSRaja Mani if (wow->disconnect) 1927d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_NWK_DISASSOC; 1928d91e8eeeSRaja Mani 1929d91e8eeeSRaja Mani if (wow->magic_pkt) 1930d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_MAGIC_PACKET; 1931d91e8eeeSRaja Mani 1932d91e8eeeSRaja Mani if (wow->gtk_rekey_failure) 1933d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_GTK_ERROR; 1934d91e8eeeSRaja Mani 1935d91e8eeeSRaja Mani if (wow->eap_identity_req) 1936d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_EAP_REQ; 1937d91e8eeeSRaja Mani 1938d91e8eeeSRaja Mani if (wow->four_way_handshake) 1939d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_8021X_4WAYHS; 1940d91e8eeeSRaja Mani 1941d91e8eeeSRaja Mani return 0; 1942d91e8eeeSRaja Mani } 1943d91e8eeeSRaja Mani 1944d91e8eeeSRaja Mani static int ath6kl_wow_ap(struct ath6kl *ar, struct ath6kl_vif *vif) 1945d91e8eeeSRaja Mani { 1946d91e8eeeSRaja Mani static const u8 unicst_pattern[] = { 0x00, 0x00, 0x00, 1947d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1948d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1949d91e8eeeSRaja Mani 0x00, 0x08 }; 1950d91e8eeeSRaja Mani static const u8 unicst_mask[] = { 0x01, 0x00, 0x00, 1951d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1952d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1953d91e8eeeSRaja Mani 0x00, 0x7f }; 1954d91e8eeeSRaja Mani u8 unicst_offset = 0; 1955d91e8eeeSRaja Mani static const u8 arp_pattern[] = { 0x08, 0x06 }; 1956d91e8eeeSRaja Mani static const u8 arp_mask[] = { 0xff, 0xff }; 1957d91e8eeeSRaja Mani u8 arp_offset = 20; 1958d91e8eeeSRaja Mani static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 }; 1959d91e8eeeSRaja Mani static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 }; 1960d91e8eeeSRaja Mani u8 discvr_offset = 38; 1961d91e8eeeSRaja Mani static const u8 dhcp_pattern[] = { 0xff, 0xff, 0xff, 0xff, 1962d91e8eeeSRaja Mani 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1963d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 1964d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1965d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1966d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x43 /* port 67 */ }; 1967d91e8eeeSRaja Mani static const u8 dhcp_mask[] = { 0xff, 0xff, 0xff, 0xff, 1968d91e8eeeSRaja Mani 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1969d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 1970d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1971d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1972d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0xff, 0xff /* port 67 */ }; 1973d91e8eeeSRaja Mani u8 dhcp_offset = 0; 1974d91e8eeeSRaja Mani int ret; 1975d91e8eeeSRaja Mani 1976d91e8eeeSRaja Mani /* Setup unicast IP, EAPOL-like and ARP pkt pattern */ 1977d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 1978d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 1979d91e8eeeSRaja Mani sizeof(unicst_pattern), unicst_offset, 1980d91e8eeeSRaja Mani unicst_pattern, unicst_mask); 1981d91e8eeeSRaja Mani if (ret) { 1982d91e8eeeSRaja Mani ath6kl_err("failed to add WOW unicast IP pattern\n"); 1983d91e8eeeSRaja Mani return ret; 1984d91e8eeeSRaja Mani } 1985d91e8eeeSRaja Mani 1986d91e8eeeSRaja Mani /* Setup all ARP pkt pattern */ 1987d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 1988d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 1989d91e8eeeSRaja Mani sizeof(arp_pattern), arp_offset, 1990d91e8eeeSRaja Mani arp_pattern, arp_mask); 1991d91e8eeeSRaja Mani if (ret) { 1992d91e8eeeSRaja Mani ath6kl_err("failed to add WOW ARP pattern\n"); 1993d91e8eeeSRaja Mani return ret; 1994d91e8eeeSRaja Mani } 1995d91e8eeeSRaja Mani 1996d91e8eeeSRaja Mani /* 1997d91e8eeeSRaja Mani * Setup multicast pattern for mDNS 224.0.0.251, 1998d91e8eeeSRaja Mani * SSDP 239.255.255.250 and LLMNR 224.0.0.252 1999d91e8eeeSRaja Mani */ 2000d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 2001d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 2002d91e8eeeSRaja Mani sizeof(discvr_pattern), discvr_offset, 2003d91e8eeeSRaja Mani discvr_pattern, discvr_mask); 2004d91e8eeeSRaja Mani if (ret) { 2005d91e8eeeSRaja Mani ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n"); 2006d91e8eeeSRaja Mani return ret; 2007d91e8eeeSRaja Mani } 2008d91e8eeeSRaja Mani 2009d91e8eeeSRaja Mani /* Setup all DHCP broadcast pkt pattern */ 2010d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 2011d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 2012d91e8eeeSRaja Mani sizeof(dhcp_pattern), dhcp_offset, 2013d91e8eeeSRaja Mani dhcp_pattern, dhcp_mask); 2014d91e8eeeSRaja Mani if (ret) { 2015d91e8eeeSRaja Mani ath6kl_err("failed to add WOW DHCP broadcast pattern\n"); 2016d91e8eeeSRaja Mani return ret; 2017d91e8eeeSRaja Mani } 2018d91e8eeeSRaja Mani 2019d91e8eeeSRaja Mani return 0; 2020d91e8eeeSRaja Mani } 2021d91e8eeeSRaja Mani 2022d91e8eeeSRaja Mani static int ath6kl_wow_sta(struct ath6kl *ar, struct ath6kl_vif *vif) 2023d91e8eeeSRaja Mani { 2024d91e8eeeSRaja Mani struct net_device *ndev = vif->ndev; 2025d91e8eeeSRaja Mani static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 }; 2026d91e8eeeSRaja Mani static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 }; 2027d91e8eeeSRaja Mani u8 discvr_offset = 38; 2028d91e8eeeSRaja Mani u8 mac_mask[ETH_ALEN]; 2029d91e8eeeSRaja Mani int ret; 2030d91e8eeeSRaja Mani 2031d91e8eeeSRaja Mani /* Setup unicast pkt pattern */ 2032d91e8eeeSRaja Mani memset(mac_mask, 0xff, ETH_ALEN); 2033d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 2034d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 2035d91e8eeeSRaja Mani ETH_ALEN, 0, ndev->dev_addr, 2036d91e8eeeSRaja Mani mac_mask); 2037d91e8eeeSRaja Mani if (ret) { 2038d91e8eeeSRaja Mani ath6kl_err("failed to add WOW unicast pattern\n"); 2039d91e8eeeSRaja Mani return ret; 2040d91e8eeeSRaja Mani } 2041d91e8eeeSRaja Mani 2042d91e8eeeSRaja Mani /* 2043d91e8eeeSRaja Mani * Setup multicast pattern for mDNS 224.0.0.251, 2044d91e8eeeSRaja Mani * SSDP 239.255.255.250 and LLMNR 224.0.0.252 2045d91e8eeeSRaja Mani */ 2046d91e8eeeSRaja Mani if ((ndev->flags & IFF_ALLMULTI) || 2047d91e8eeeSRaja Mani (ndev->flags & IFF_MULTICAST && netdev_mc_count(ndev) > 0)) { 2048d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 2049d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 2050d91e8eeeSRaja Mani sizeof(discvr_pattern), discvr_offset, 2051d91e8eeeSRaja Mani discvr_pattern, discvr_mask); 2052d91e8eeeSRaja Mani if (ret) { 2053cdeb8602SKalle Valo ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n"); 2054d91e8eeeSRaja Mani return ret; 2055d91e8eeeSRaja Mani } 2056d91e8eeeSRaja Mani } 2057d91e8eeeSRaja Mani 2058d91e8eeeSRaja Mani return 0; 2059d91e8eeeSRaja Mani } 2060d91e8eeeSRaja Mani 2061055bde49SRaja Mani static int is_hsleep_mode_procsed(struct ath6kl_vif *vif) 2062055bde49SRaja Mani { 2063055bde49SRaja Mani return test_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags); 2064055bde49SRaja Mani } 2065055bde49SRaja Mani 2066055bde49SRaja Mani static bool is_ctrl_ep_empty(struct ath6kl *ar) 2067055bde49SRaja Mani { 2068055bde49SRaja Mani return !ar->tx_pending[ar->ctrl_ep]; 2069055bde49SRaja Mani } 2070055bde49SRaja Mani 2071055bde49SRaja Mani static int ath6kl_cfg80211_host_sleep(struct ath6kl *ar, struct ath6kl_vif *vif) 2072055bde49SRaja Mani { 2073055bde49SRaja Mani int ret, left; 2074055bde49SRaja Mani 2075055bde49SRaja Mani clear_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags); 2076055bde49SRaja Mani 2077055bde49SRaja Mani ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, 2078055bde49SRaja Mani ATH6KL_HOST_MODE_ASLEEP); 2079055bde49SRaja Mani if (ret) 2080055bde49SRaja Mani return ret; 2081055bde49SRaja Mani 2082055bde49SRaja Mani left = wait_event_interruptible_timeout(ar->event_wq, 2083055bde49SRaja Mani is_hsleep_mode_procsed(vif), 2084055bde49SRaja Mani WMI_TIMEOUT); 2085055bde49SRaja Mani if (left == 0) { 2086055bde49SRaja Mani ath6kl_warn("timeout, didn't get host sleep cmd processed event\n"); 2087055bde49SRaja Mani ret = -ETIMEDOUT; 2088055bde49SRaja Mani } else if (left < 0) { 2089055bde49SRaja Mani ath6kl_warn("error while waiting for host sleep cmd processed event %d\n", 2090055bde49SRaja Mani left); 2091055bde49SRaja Mani ret = left; 2092055bde49SRaja Mani } 2093055bde49SRaja Mani 2094055bde49SRaja Mani if (ar->tx_pending[ar->ctrl_ep]) { 2095055bde49SRaja Mani left = wait_event_interruptible_timeout(ar->event_wq, 2096055bde49SRaja Mani is_ctrl_ep_empty(ar), 2097055bde49SRaja Mani WMI_TIMEOUT); 2098055bde49SRaja Mani if (left == 0) { 2099055bde49SRaja Mani ath6kl_warn("clear wmi ctrl data timeout\n"); 2100055bde49SRaja Mani ret = -ETIMEDOUT; 2101055bde49SRaja Mani } else if (left < 0) { 2102055bde49SRaja Mani ath6kl_warn("clear wmi ctrl data failed: %d\n", left); 2103055bde49SRaja Mani ret = left; 2104055bde49SRaja Mani } 2105055bde49SRaja Mani } 2106055bde49SRaja Mani 2107055bde49SRaja Mani return ret; 2108055bde49SRaja Mani } 2109055bde49SRaja Mani 2110d91e8eeeSRaja Mani static int ath6kl_wow_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow) 2111d91e8eeeSRaja Mani { 2112d91e8eeeSRaja Mani struct in_device *in_dev; 2113d91e8eeeSRaja Mani struct in_ifaddr *ifa; 2114d91e8eeeSRaja Mani struct ath6kl_vif *vif; 2115055bde49SRaja Mani int ret; 2116d91e8eeeSRaja Mani u32 filter = 0; 2117ce0dc0cfSRaja Mani u16 i, bmiss_time; 2118d91e8eeeSRaja Mani u8 index = 0; 2119d91e8eeeSRaja Mani __be32 ips[MAX_IP_ADDRS]; 2120d91e8eeeSRaja Mani 212177ed4e45SThomas Pedersen /* The FW currently can't support multi-vif WoW properly. */ 212277ed4e45SThomas Pedersen if (ar->num_vif > 1) 212377ed4e45SThomas Pedersen return -EIO; 212477ed4e45SThomas Pedersen 2125d91e8eeeSRaja Mani vif = ath6kl_vif_first(ar); 2126d91e8eeeSRaja Mani if (!vif) 2127d91e8eeeSRaja Mani return -EIO; 2128d91e8eeeSRaja Mani 2129d91e8eeeSRaja Mani if (!ath6kl_cfg80211_ready(vif)) 2130d91e8eeeSRaja Mani return -EIO; 2131d91e8eeeSRaja Mani 2132d91e8eeeSRaja Mani if (!test_bit(CONNECTED, &vif->flags)) 21333c411a43SRaja Mani return -ENOTCONN; 2134d91e8eeeSRaja Mani 2135d91e8eeeSRaja Mani if (wow && (wow->n_patterns > WOW_MAX_FILTERS_PER_LIST)) 2136d91e8eeeSRaja Mani return -EINVAL; 2137d91e8eeeSRaja Mani 21386821d4f0SNaveen Gangadharan if (!test_bit(NETDEV_MCAST_ALL_ON, &vif->flags) && 21396821d4f0SNaveen Gangadharan test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER, 21406821d4f0SNaveen Gangadharan ar->fw_capabilities)) { 21416251d801SNaveen Gangadharan ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi, 21426251d801SNaveen Gangadharan vif->fw_vif_idx, false); 21436251d801SNaveen Gangadharan if (ret) 21446251d801SNaveen Gangadharan return ret; 21456251d801SNaveen Gangadharan } 21466251d801SNaveen Gangadharan 2147d91e8eeeSRaja Mani /* Clear existing WOW patterns */ 2148d91e8eeeSRaja Mani for (i = 0; i < WOW_MAX_FILTERS_PER_LIST; i++) 2149d91e8eeeSRaja Mani ath6kl_wmi_del_wow_pattern_cmd(ar->wmi, vif->fw_vif_idx, 2150d91e8eeeSRaja Mani WOW_LIST_ID, i); 2151d91e8eeeSRaja Mani 2152d91e8eeeSRaja Mani /* 2153d91e8eeeSRaja Mani * Skip the default WOW pattern configuration 2154d91e8eeeSRaja Mani * if the driver receives any WOW patterns from 2155d91e8eeeSRaja Mani * the user. 2156d91e8eeeSRaja Mani */ 2157d91e8eeeSRaja Mani if (wow) 2158d91e8eeeSRaja Mani ret = ath6kl_wow_usr(ar, vif, wow, &filter); 2159d91e8eeeSRaja Mani else if (vif->nw_type == AP_NETWORK) 2160d91e8eeeSRaja Mani ret = ath6kl_wow_ap(ar, vif); 2161d91e8eeeSRaja Mani else 2162d91e8eeeSRaja Mani ret = ath6kl_wow_sta(ar, vif); 2163d91e8eeeSRaja Mani 2164d91e8eeeSRaja Mani if (ret) 2165d91e8eeeSRaja Mani return ret; 2166d91e8eeeSRaja Mani 2167390a8c8fSRaja Mani netif_stop_queue(vif->ndev); 2168390a8c8fSRaja Mani 2169ce0dc0cfSRaja Mani if (vif->nw_type != AP_NETWORK) { 2170ce0dc0cfSRaja Mani ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx, 2171ce0dc0cfSRaja Mani ATH6KL_MAX_WOW_LISTEN_INTL, 2172ce0dc0cfSRaja Mani 0); 2173ce0dc0cfSRaja Mani if (ret) 2174ce0dc0cfSRaja Mani return ret; 2175ce0dc0cfSRaja Mani 2176ce0dc0cfSRaja Mani /* Set listen interval x 15 times as bmiss time */ 2177ce0dc0cfSRaja Mani bmiss_time = ATH6KL_MAX_WOW_LISTEN_INTL * 15; 2178ce0dc0cfSRaja Mani if (bmiss_time > ATH6KL_MAX_BMISS_TIME) 2179ce0dc0cfSRaja Mani bmiss_time = ATH6KL_MAX_BMISS_TIME; 2180ce0dc0cfSRaja Mani 2181ce0dc0cfSRaja Mani ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx, 2182ce0dc0cfSRaja Mani bmiss_time, 0); 2183ce0dc0cfSRaja Mani if (ret) 2184ce0dc0cfSRaja Mani return ret; 2185ce0dc0cfSRaja Mani 2186ce0dc0cfSRaja Mani ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 2187ce0dc0cfSRaja Mani 0xFFFF, 0, 0xFFFF, 0, 0, 0, 2188ce0dc0cfSRaja Mani 0, 0, 0, 0); 2189ce0dc0cfSRaja Mani if (ret) 2190ce0dc0cfSRaja Mani return ret; 2191ce0dc0cfSRaja Mani } 2192ce0dc0cfSRaja Mani 2193390a8c8fSRaja Mani ar->state = ATH6KL_STATE_SUSPENDING; 2194390a8c8fSRaja Mani 2195c08631c6SRaja Mani /* Setup own IP addr for ARP agent. */ 2196c08631c6SRaja Mani in_dev = __in_dev_get_rtnl(vif->ndev); 2197c08631c6SRaja Mani if (!in_dev) 2198c08631c6SRaja Mani goto skip_arp; 2199c08631c6SRaja Mani 2200c08631c6SRaja Mani ifa = in_dev->ifa_list; 2201c08631c6SRaja Mani memset(&ips, 0, sizeof(ips)); 2202c08631c6SRaja Mani 2203c08631c6SRaja Mani /* Configure IP addr only if IP address count < MAX_IP_ADDRS */ 2204c08631c6SRaja Mani while (index < MAX_IP_ADDRS && ifa) { 2205c08631c6SRaja Mani ips[index] = ifa->ifa_local; 2206c08631c6SRaja Mani ifa = ifa->ifa_next; 2207c08631c6SRaja Mani index++; 2208c08631c6SRaja Mani } 2209c08631c6SRaja Mani 2210c08631c6SRaja Mani if (ifa) { 2211c08631c6SRaja Mani ath6kl_err("total IP addr count is exceeding fw limit\n"); 2212c08631c6SRaja Mani return -EINVAL; 2213c08631c6SRaja Mani } 2214c08631c6SRaja Mani 2215c08631c6SRaja Mani ret = ath6kl_wmi_set_ip_cmd(ar->wmi, vif->fw_vif_idx, ips[0], ips[1]); 2216c08631c6SRaja Mani if (ret) { 2217c08631c6SRaja Mani ath6kl_err("fail to setup ip for arp agent\n"); 2218c08631c6SRaja Mani return ret; 2219c08631c6SRaja Mani } 2220c08631c6SRaja Mani 2221c08631c6SRaja Mani skip_arp: 22226cb3c714SRaja Mani ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx, 22236cb3c714SRaja Mani ATH6KL_WOW_MODE_ENABLE, 22246cb3c714SRaja Mani filter, 22256cb3c714SRaja Mani WOW_HOST_REQ_DELAY); 22266cb3c714SRaja Mani if (ret) 22276cb3c714SRaja Mani return ret; 22286cb3c714SRaja Mani 2229055bde49SRaja Mani ret = ath6kl_cfg80211_host_sleep(ar, vif); 22306cb3c714SRaja Mani if (ret) 22316cb3c714SRaja Mani return ret; 22326cb3c714SRaja Mani 2233055bde49SRaja Mani return 0; 22346cb3c714SRaja Mani } 22356cb3c714SRaja Mani 22366cb3c714SRaja Mani static int ath6kl_wow_resume(struct ath6kl *ar) 22376cb3c714SRaja Mani { 22386cb3c714SRaja Mani struct ath6kl_vif *vif; 22396cb3c714SRaja Mani int ret; 22406cb3c714SRaja Mani 22416cb3c714SRaja Mani vif = ath6kl_vif_first(ar); 22426cb3c714SRaja Mani if (!vif) 22436cb3c714SRaja Mani return -EIO; 22446cb3c714SRaja Mani 2245390a8c8fSRaja Mani ar->state = ATH6KL_STATE_RESUMING; 2246390a8c8fSRaja Mani 22476cb3c714SRaja Mani ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, 22486cb3c714SRaja Mani ATH6KL_HOST_MODE_AWAKE); 2249390a8c8fSRaja Mani if (ret) { 2250cdeb8602SKalle Valo ath6kl_warn("Failed to configure host sleep mode for wow resume: %d\n", 2251cdeb8602SKalle Valo ret); 2252390a8c8fSRaja Mani ar->state = ATH6KL_STATE_WOW; 22536cb3c714SRaja Mani return ret; 22546cb3c714SRaja Mani } 22556cb3c714SRaja Mani 2256ce0dc0cfSRaja Mani if (vif->nw_type != AP_NETWORK) { 2257ce0dc0cfSRaja Mani ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 2258ce0dc0cfSRaja Mani 0, 0, 0, 0, 0, 0, 3, 0, 0, 0); 2259ce0dc0cfSRaja Mani if (ret) 2260ce0dc0cfSRaja Mani return ret; 2261ce0dc0cfSRaja Mani 2262ce0dc0cfSRaja Mani ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx, 2263ce0dc0cfSRaja Mani vif->listen_intvl_t, 0); 2264ce0dc0cfSRaja Mani if (ret) 2265ce0dc0cfSRaja Mani return ret; 2266ce0dc0cfSRaja Mani 2267ce0dc0cfSRaja Mani ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx, 2268ce0dc0cfSRaja Mani vif->bmiss_time_t, 0); 2269ce0dc0cfSRaja Mani if (ret) 2270ce0dc0cfSRaja Mani return ret; 2271ce0dc0cfSRaja Mani } 2272ce0dc0cfSRaja Mani 2273390a8c8fSRaja Mani ar->state = ATH6KL_STATE_ON; 2274390a8c8fSRaja Mani 22756821d4f0SNaveen Gangadharan if (!test_bit(NETDEV_MCAST_ALL_OFF, &vif->flags) && 22766821d4f0SNaveen Gangadharan test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER, 22776821d4f0SNaveen Gangadharan ar->fw_capabilities)) { 22786251d801SNaveen Gangadharan ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi, 22796251d801SNaveen Gangadharan vif->fw_vif_idx, true); 22806251d801SNaveen Gangadharan if (ret) 22816251d801SNaveen Gangadharan return ret; 22826251d801SNaveen Gangadharan } 22836251d801SNaveen Gangadharan 2284390a8c8fSRaja Mani netif_wake_queue(vif->ndev); 2285390a8c8fSRaja Mani 2286390a8c8fSRaja Mani return 0; 2287390a8c8fSRaja Mani } 2288390a8c8fSRaja Mani 228940abc2deSRaja Mani static int ath6kl_cfg80211_deepsleep_suspend(struct ath6kl *ar) 229040abc2deSRaja Mani { 229140abc2deSRaja Mani struct ath6kl_vif *vif; 229240abc2deSRaja Mani int ret; 229340abc2deSRaja Mani 229440abc2deSRaja Mani vif = ath6kl_vif_first(ar); 229540abc2deSRaja Mani if (!vif) 229640abc2deSRaja Mani return -EIO; 229740abc2deSRaja Mani 229848f27587SMing Jiang if (!test_bit(WMI_READY, &ar->flag)) { 229948f27587SMing Jiang ath6kl_err("deepsleep failed as wmi is not ready\n"); 230040abc2deSRaja Mani return -EIO; 230148f27587SMing Jiang } 230240abc2deSRaja Mani 230340abc2deSRaja Mani ath6kl_cfg80211_stop_all(ar); 230440abc2deSRaja Mani 230540abc2deSRaja Mani /* Save the current power mode before enabling power save */ 230640abc2deSRaja Mani ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode; 230740abc2deSRaja Mani 230840abc2deSRaja Mani ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER); 230940abc2deSRaja Mani if (ret) 231040abc2deSRaja Mani return ret; 231140abc2deSRaja Mani 231240abc2deSRaja Mani /* Disable WOW mode */ 231340abc2deSRaja Mani ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx, 231440abc2deSRaja Mani ATH6KL_WOW_MODE_DISABLE, 231540abc2deSRaja Mani 0, 0); 231640abc2deSRaja Mani if (ret) 231740abc2deSRaja Mani return ret; 231840abc2deSRaja Mani 231940abc2deSRaja Mani /* Flush all non control pkts in TX path */ 232040abc2deSRaja Mani ath6kl_tx_data_cleanup(ar); 232140abc2deSRaja Mani 232240abc2deSRaja Mani ret = ath6kl_cfg80211_host_sleep(ar, vif); 232340abc2deSRaja Mani if (ret) 232440abc2deSRaja Mani return ret; 232540abc2deSRaja Mani 232640abc2deSRaja Mani return 0; 232740abc2deSRaja Mani } 232840abc2deSRaja Mani 232940abc2deSRaja Mani static int ath6kl_cfg80211_deepsleep_resume(struct ath6kl *ar) 233040abc2deSRaja Mani { 233140abc2deSRaja Mani struct ath6kl_vif *vif; 233240abc2deSRaja Mani int ret; 233340abc2deSRaja Mani 233440abc2deSRaja Mani vif = ath6kl_vif_first(ar); 233540abc2deSRaja Mani 233640abc2deSRaja Mani if (!vif) 233740abc2deSRaja Mani return -EIO; 233840abc2deSRaja Mani 233940abc2deSRaja Mani if (ar->wmi->pwr_mode != ar->wmi->saved_pwr_mode) { 234040abc2deSRaja Mani ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, 234140abc2deSRaja Mani ar->wmi->saved_pwr_mode); 234240abc2deSRaja Mani if (ret) 234340abc2deSRaja Mani return ret; 234440abc2deSRaja Mani } 234540abc2deSRaja Mani 234640abc2deSRaja Mani ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, 234740abc2deSRaja Mani ATH6KL_HOST_MODE_AWAKE); 234840abc2deSRaja Mani if (ret) 234940abc2deSRaja Mani return ret; 235040abc2deSRaja Mani 235140abc2deSRaja Mani ar->state = ATH6KL_STATE_ON; 235240abc2deSRaja Mani 235340abc2deSRaja Mani /* Reset scan parameter to default values */ 235440abc2deSRaja Mani ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 235540abc2deSRaja Mani 0, 0, 0, 0, 0, 0, 3, 0, 0, 0); 235640abc2deSRaja Mani if (ret) 235740abc2deSRaja Mani return ret; 235840abc2deSRaja Mani 235940abc2deSRaja Mani return 0; 236040abc2deSRaja Mani } 236140abc2deSRaja Mani 236252d81a68SKalle Valo int ath6kl_cfg80211_suspend(struct ath6kl *ar, 23630f60e9f4SRaja Mani enum ath6kl_cfg_suspend_mode mode, 23640f60e9f4SRaja Mani struct cfg80211_wowlan *wow) 236552d81a68SKalle Valo { 23663d79499cSVivek Natarajan struct ath6kl_vif *vif; 2367390a8c8fSRaja Mani enum ath6kl_state prev_state; 236852d81a68SKalle Valo int ret; 236952d81a68SKalle Valo 237052d81a68SKalle Valo switch (mode) { 2371d7c44e0bSRaja Mani case ATH6KL_CFG_SUSPEND_WOW: 2372d7c44e0bSRaja Mani 2373d7c44e0bSRaja Mani ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode suspend\n"); 2374d7c44e0bSRaja Mani 2375d7c44e0bSRaja Mani /* Flush all non control pkts in TX path */ 2376d7c44e0bSRaja Mani ath6kl_tx_data_cleanup(ar); 2377d7c44e0bSRaja Mani 2378390a8c8fSRaja Mani prev_state = ar->state; 2379390a8c8fSRaja Mani 2380d7c44e0bSRaja Mani ret = ath6kl_wow_suspend(ar, wow); 2381390a8c8fSRaja Mani if (ret) { 2382390a8c8fSRaja Mani ar->state = prev_state; 2383d7c44e0bSRaja Mani return ret; 2384390a8c8fSRaja Mani } 23851e9a905dSRaja Mani 2386d7c44e0bSRaja Mani ar->state = ATH6KL_STATE_WOW; 2387d7c44e0bSRaja Mani break; 2388d7c44e0bSRaja Mani 238952d81a68SKalle Valo case ATH6KL_CFG_SUSPEND_DEEPSLEEP: 2390524441e3SRaja Mani 239140abc2deSRaja Mani ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep suspend\n"); 2392524441e3SRaja Mani 239340abc2deSRaja Mani ret = ath6kl_cfg80211_deepsleep_suspend(ar); 239452d81a68SKalle Valo if (ret) { 239540abc2deSRaja Mani ath6kl_err("deepsleep suspend failed: %d\n", ret); 239640abc2deSRaja Mani return ret; 239752d81a68SKalle Valo } 239852d81a68SKalle Valo 239976a9fbe2SKalle Valo ar->state = ATH6KL_STATE_DEEPSLEEP; 240076a9fbe2SKalle Valo 240152d81a68SKalle Valo break; 2402b4b2a0b1SKalle Valo 2403b4b2a0b1SKalle Valo case ATH6KL_CFG_SUSPEND_CUTPOWER: 2404524441e3SRaja Mani 24057125f01dSKalle Valo ath6kl_cfg80211_stop_all(ar); 2406524441e3SRaja Mani 2407b4b2a0b1SKalle Valo if (ar->state == ATH6KL_STATE_OFF) { 2408b4b2a0b1SKalle Valo ath6kl_dbg(ATH6KL_DBG_SUSPEND, 2409b4b2a0b1SKalle Valo "suspend hw off, no action for cutpower\n"); 2410b4b2a0b1SKalle Valo break; 2411b4b2a0b1SKalle Valo } 2412b4b2a0b1SKalle Valo 2413b4b2a0b1SKalle Valo ath6kl_dbg(ATH6KL_DBG_SUSPEND, "suspend cutting power\n"); 2414b4b2a0b1SKalle Valo 2415b4b2a0b1SKalle Valo ret = ath6kl_init_hw_stop(ar); 2416b4b2a0b1SKalle Valo if (ret) { 2417b4b2a0b1SKalle Valo ath6kl_warn("failed to stop hw during suspend: %d\n", 2418b4b2a0b1SKalle Valo ret); 2419b4b2a0b1SKalle Valo } 2420b4b2a0b1SKalle Valo 2421b4b2a0b1SKalle Valo ar->state = ATH6KL_STATE_CUTPOWER; 2422b4b2a0b1SKalle Valo 2423b4b2a0b1SKalle Valo break; 2424b4b2a0b1SKalle Valo 242510509f90SKalle Valo case ATH6KL_CFG_SUSPEND_SCHED_SCAN: 242610509f90SKalle Valo /* 242710509f90SKalle Valo * Nothing needed for schedule scan, firmware is already in 242810509f90SKalle Valo * wow mode and sleeping most of the time. 242910509f90SKalle Valo */ 243010509f90SKalle Valo break; 243110509f90SKalle Valo 2432b4b2a0b1SKalle Valo default: 2433b4b2a0b1SKalle Valo break; 243452d81a68SKalle Valo } 243552d81a68SKalle Valo 24363d79499cSVivek Natarajan list_for_each_entry(vif, &ar->vif_list, list) 24373d79499cSVivek Natarajan ath6kl_cfg80211_scan_complete_event(vif, true); 24383d79499cSVivek Natarajan 243952d81a68SKalle Valo return 0; 244052d81a68SKalle Valo } 2441d6a434d6SKalle Valo EXPORT_SYMBOL(ath6kl_cfg80211_suspend); 244252d81a68SKalle Valo 244352d81a68SKalle Valo int ath6kl_cfg80211_resume(struct ath6kl *ar) 244452d81a68SKalle Valo { 244576a9fbe2SKalle Valo int ret; 244676a9fbe2SKalle Valo 244776a9fbe2SKalle Valo switch (ar->state) { 2448d7c44e0bSRaja Mani case ATH6KL_STATE_WOW: 2449d7c44e0bSRaja Mani ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode resume\n"); 2450d7c44e0bSRaja Mani 2451d7c44e0bSRaja Mani ret = ath6kl_wow_resume(ar); 2452d7c44e0bSRaja Mani if (ret) { 2453d7c44e0bSRaja Mani ath6kl_warn("wow mode resume failed: %d\n", ret); 2454d7c44e0bSRaja Mani return ret; 2455d7c44e0bSRaja Mani } 2456d7c44e0bSRaja Mani 2457d7c44e0bSRaja Mani break; 2458d7c44e0bSRaja Mani 245976a9fbe2SKalle Valo case ATH6KL_STATE_DEEPSLEEP: 246040abc2deSRaja Mani ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep resume\n"); 246140abc2deSRaja Mani 246240abc2deSRaja Mani ret = ath6kl_cfg80211_deepsleep_resume(ar); 246376a9fbe2SKalle Valo if (ret) { 246440abc2deSRaja Mani ath6kl_warn("deep sleep resume failed: %d\n", ret); 246540abc2deSRaja Mani return ret; 246676a9fbe2SKalle Valo } 246776a9fbe2SKalle Valo break; 246876a9fbe2SKalle Valo 2469b4b2a0b1SKalle Valo case ATH6KL_STATE_CUTPOWER: 2470b4b2a0b1SKalle Valo ath6kl_dbg(ATH6KL_DBG_SUSPEND, "resume restoring power\n"); 2471b4b2a0b1SKalle Valo 2472b4b2a0b1SKalle Valo ret = ath6kl_init_hw_start(ar); 2473b4b2a0b1SKalle Valo if (ret) { 2474b4b2a0b1SKalle Valo ath6kl_warn("Failed to boot hw in resume: %d\n", ret); 2475b4b2a0b1SKalle Valo return ret; 2476b4b2a0b1SKalle Valo } 2477d7c44e0bSRaja Mani break; 2478b4b2a0b1SKalle Valo 247910509f90SKalle Valo case ATH6KL_STATE_SCHED_SCAN: 248010509f90SKalle Valo break; 248110509f90SKalle Valo 248276a9fbe2SKalle Valo default: 248376a9fbe2SKalle Valo break; 248452d81a68SKalle Valo } 248552d81a68SKalle Valo 248652d81a68SKalle Valo return 0; 248752d81a68SKalle Valo } 2488d6a434d6SKalle Valo EXPORT_SYMBOL(ath6kl_cfg80211_resume); 248952d81a68SKalle Valo 2490abcb344bSKalle Valo #ifdef CONFIG_PM 249152d81a68SKalle Valo 249252d81a68SKalle Valo /* hif layer decides what suspend mode to use */ 249352d81a68SKalle Valo static int __ath6kl_cfg80211_suspend(struct wiphy *wiphy, 2494abcb344bSKalle Valo struct cfg80211_wowlan *wow) 2495abcb344bSKalle Valo { 2496abcb344bSKalle Valo struct ath6kl *ar = wiphy_priv(wiphy); 2497abcb344bSKalle Valo 24980f60e9f4SRaja Mani return ath6kl_hif_suspend(ar, wow); 2499abcb344bSKalle Valo } 2500aa6cffc1SChilam Ng 250152d81a68SKalle Valo static int __ath6kl_cfg80211_resume(struct wiphy *wiphy) 2502aa6cffc1SChilam Ng { 2503aa6cffc1SChilam Ng struct ath6kl *ar = wiphy_priv(wiphy); 2504aa6cffc1SChilam Ng 2505aa6cffc1SChilam Ng return ath6kl_hif_resume(ar); 2506aa6cffc1SChilam Ng } 2507a918fb3cSRaja Mani 2508a918fb3cSRaja Mani /* 2509a918fb3cSRaja Mani * FIXME: WOW suspend mode is selected if the host sdio controller supports 2510a918fb3cSRaja Mani * both sdio irq wake up and keep power. The target pulls sdio data line to 2511a918fb3cSRaja Mani * wake up the host when WOW pattern matches. This causes sdio irq handler 2512a918fb3cSRaja Mani * is being called in the host side which internally hits ath6kl's RX path. 2513a918fb3cSRaja Mani * 2514a918fb3cSRaja Mani * Since sdio interrupt is not disabled, RX path executes even before 2515a918fb3cSRaja Mani * the host executes the actual resume operation from PM module. 2516a918fb3cSRaja Mani * 2517a918fb3cSRaja Mani * In the current scenario, WOW resume should happen before start processing 2518a918fb3cSRaja Mani * any data from the target. So It's required to perform WOW resume in RX path. 2519a918fb3cSRaja Mani * Ideally we should perform WOW resume only in the actual platform 2520a918fb3cSRaja Mani * resume path. This area needs bit rework to avoid WOW resume in RX path. 2521a918fb3cSRaja Mani * 2522a918fb3cSRaja Mani * ath6kl_check_wow_status() is called from ath6kl_rx(). 2523a918fb3cSRaja Mani */ 2524a918fb3cSRaja Mani void ath6kl_check_wow_status(struct ath6kl *ar) 2525a918fb3cSRaja Mani { 2526390a8c8fSRaja Mani if (ar->state == ATH6KL_STATE_SUSPENDING) 2527390a8c8fSRaja Mani return; 2528390a8c8fSRaja Mani 2529a918fb3cSRaja Mani if (ar->state == ATH6KL_STATE_WOW) 2530a918fb3cSRaja Mani ath6kl_cfg80211_resume(ar); 2531a918fb3cSRaja Mani } 2532a918fb3cSRaja Mani 2533a918fb3cSRaja Mani #else 2534a918fb3cSRaja Mani 2535a918fb3cSRaja Mani void ath6kl_check_wow_status(struct ath6kl *ar) 2536a918fb3cSRaja Mani { 2537a918fb3cSRaja Mani } 2538abcb344bSKalle Valo #endif 2539abcb344bSKalle Valo 2540df90b369SVasanthakumar Thiagarajan static int ath6kl_set_htcap(struct ath6kl_vif *vif, enum ieee80211_band band, 2541df90b369SVasanthakumar Thiagarajan bool ht_enable) 25426a7c9badSJouni Malinen { 254367b3f129SKiran Reddy struct ath6kl_htcap *htcap = &vif->htcap[band]; 2544e68f6750SSujith Manoharan 2545df90b369SVasanthakumar Thiagarajan if (htcap->ht_enable == ht_enable) 25466a7c9badSJouni Malinen return 0; 2547df90b369SVasanthakumar Thiagarajan 2548df90b369SVasanthakumar Thiagarajan if (ht_enable) { 2549df90b369SVasanthakumar Thiagarajan /* Set default ht capabilities */ 2550df90b369SVasanthakumar Thiagarajan htcap->ht_enable = true; 2551df90b369SVasanthakumar Thiagarajan htcap->cap_info = (band == IEEE80211_BAND_2GHZ) ? 2552df90b369SVasanthakumar Thiagarajan ath6kl_g_htcap : ath6kl_a_htcap; 2553df90b369SVasanthakumar Thiagarajan htcap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K; 2554df90b369SVasanthakumar Thiagarajan } else /* Disable ht */ 2555df90b369SVasanthakumar Thiagarajan memset(htcap, 0, sizeof(*htcap)); 2556df90b369SVasanthakumar Thiagarajan 2557df90b369SVasanthakumar Thiagarajan return ath6kl_wmi_set_htcap_cmd(vif->ar->wmi, vif->fw_vif_idx, 2558df90b369SVasanthakumar Thiagarajan band, htcap); 25596a7c9badSJouni Malinen } 25606a7c9badSJouni Malinen 256137a2f950SThomas Pedersen static int ath6kl_restore_htcap(struct ath6kl_vif *vif) 256237a2f950SThomas Pedersen { 256337a2f950SThomas Pedersen struct wiphy *wiphy = vif->ar->wiphy; 256437a2f950SThomas Pedersen int band, ret = 0; 256537a2f950SThomas Pedersen 256637a2f950SThomas Pedersen for (band = 0; band < IEEE80211_NUM_BANDS; band++) { 256737a2f950SThomas Pedersen if (!wiphy->bands[band]) 256837a2f950SThomas Pedersen continue; 256937a2f950SThomas Pedersen 257037a2f950SThomas Pedersen ret = ath6kl_set_htcap(vif, band, 257137a2f950SThomas Pedersen wiphy->bands[band]->ht_cap.ht_supported); 257237a2f950SThomas Pedersen if (ret) 257337a2f950SThomas Pedersen return ret; 257437a2f950SThomas Pedersen } 257537a2f950SThomas Pedersen 257637a2f950SThomas Pedersen return ret; 257737a2f950SThomas Pedersen } 257837a2f950SThomas Pedersen 25798bdfbf40SJouni Malinen static bool ath6kl_is_p2p_ie(const u8 *pos) 25808bdfbf40SJouni Malinen { 25818bdfbf40SJouni Malinen return pos[0] == WLAN_EID_VENDOR_SPECIFIC && pos[1] >= 4 && 25828bdfbf40SJouni Malinen pos[2] == 0x50 && pos[3] == 0x6f && 25838bdfbf40SJouni Malinen pos[4] == 0x9a && pos[5] == 0x09; 25848bdfbf40SJouni Malinen } 25858bdfbf40SJouni Malinen 2586334234b5SVasanthakumar Thiagarajan static int ath6kl_set_ap_probe_resp_ies(struct ath6kl_vif *vif, 2587334234b5SVasanthakumar Thiagarajan const u8 *ies, size_t ies_len) 25888bdfbf40SJouni Malinen { 2589334234b5SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 25908bdfbf40SJouni Malinen const u8 *pos; 25918bdfbf40SJouni Malinen u8 *buf = NULL; 25928bdfbf40SJouni Malinen size_t len = 0; 25938bdfbf40SJouni Malinen int ret; 25948bdfbf40SJouni Malinen 25958bdfbf40SJouni Malinen /* 25968bdfbf40SJouni Malinen * Filter out P2P IE(s) since they will be included depending on 25978bdfbf40SJouni Malinen * the Probe Request frame in ath6kl_send_go_probe_resp(). 25988bdfbf40SJouni Malinen */ 25998bdfbf40SJouni Malinen 26008bdfbf40SJouni Malinen if (ies && ies_len) { 26018bdfbf40SJouni Malinen buf = kmalloc(ies_len, GFP_KERNEL); 26028bdfbf40SJouni Malinen if (buf == NULL) 26038bdfbf40SJouni Malinen return -ENOMEM; 26048bdfbf40SJouni Malinen pos = ies; 26058bdfbf40SJouni Malinen while (pos + 1 < ies + ies_len) { 26068bdfbf40SJouni Malinen if (pos + 2 + pos[1] > ies + ies_len) 26078bdfbf40SJouni Malinen break; 26088bdfbf40SJouni Malinen if (!ath6kl_is_p2p_ie(pos)) { 26098bdfbf40SJouni Malinen memcpy(buf + len, pos, 2 + pos[1]); 26108bdfbf40SJouni Malinen len += 2 + pos[1]; 26118bdfbf40SJouni Malinen } 26128bdfbf40SJouni Malinen pos += 2 + pos[1]; 26138bdfbf40SJouni Malinen } 26148bdfbf40SJouni Malinen } 26158bdfbf40SJouni Malinen 2616334234b5SVasanthakumar Thiagarajan ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 2617334234b5SVasanthakumar Thiagarajan WMI_FRAME_PROBE_RESP, buf, len); 26188bdfbf40SJouni Malinen kfree(buf); 26198bdfbf40SJouni Malinen return ret; 26208bdfbf40SJouni Malinen } 26218bdfbf40SJouni Malinen 26228860020eSJohannes Berg static int ath6kl_set_ies(struct ath6kl_vif *vif, 26238860020eSJohannes Berg struct cfg80211_beacon_data *info) 26248860020eSJohannes Berg { 26258860020eSJohannes Berg struct ath6kl *ar = vif->ar; 26268860020eSJohannes Berg int res; 26278860020eSJohannes Berg 262817a7b16dSAarthi Thiruvengadam /* this also clears IE in fw if it's not set */ 26298860020eSJohannes Berg res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 26308860020eSJohannes Berg WMI_FRAME_BEACON, 26318860020eSJohannes Berg info->beacon_ies, 26328860020eSJohannes Berg info->beacon_ies_len); 26338860020eSJohannes Berg if (res) 26348860020eSJohannes Berg return res; 26358860020eSJohannes Berg 263617a7b16dSAarthi Thiruvengadam /* this also clears IE in fw if it's not set */ 26378860020eSJohannes Berg res = ath6kl_set_ap_probe_resp_ies(vif, info->proberesp_ies, 26388860020eSJohannes Berg info->proberesp_ies_len); 26398860020eSJohannes Berg if (res) 26408860020eSJohannes Berg return res; 26418860020eSJohannes Berg 264217a7b16dSAarthi Thiruvengadam /* this also clears IE in fw if it's not set */ 26438860020eSJohannes Berg res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 26448860020eSJohannes Berg WMI_FRAME_ASSOC_RESP, 26458860020eSJohannes Berg info->assocresp_ies, 26468860020eSJohannes Berg info->assocresp_ies_len); 26478860020eSJohannes Berg if (res) 26488860020eSJohannes Berg return res; 26498860020eSJohannes Berg 26508860020eSJohannes Berg return 0; 26518860020eSJohannes Berg } 26528860020eSJohannes Berg 2653c422d52dSThomas Pedersen void ath6kl_cfg80211_sta_bmiss_enhance(struct ath6kl_vif *vif, bool enable) 2654c422d52dSThomas Pedersen { 2655c422d52dSThomas Pedersen int err; 2656c422d52dSThomas Pedersen 2657c422d52dSThomas Pedersen if (WARN_ON(!test_bit(WMI_READY, &vif->ar->flag))) 2658c422d52dSThomas Pedersen return; 2659c422d52dSThomas Pedersen 2660c422d52dSThomas Pedersen if (vif->nw_type != INFRA_NETWORK) 2661c422d52dSThomas Pedersen return; 2662c422d52dSThomas Pedersen 2663c422d52dSThomas Pedersen if (!test_bit(ATH6KL_FW_CAPABILITY_BMISS_ENHANCE, 2664c422d52dSThomas Pedersen vif->ar->fw_capabilities)) 2665c422d52dSThomas Pedersen return; 2666c422d52dSThomas Pedersen 2667c422d52dSThomas Pedersen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s fw bmiss enhance\n", 2668c422d52dSThomas Pedersen enable ? "enable" : "disable"); 2669c422d52dSThomas Pedersen 2670c422d52dSThomas Pedersen err = ath6kl_wmi_sta_bmiss_enhance_cmd(vif->ar->wmi, 2671c422d52dSThomas Pedersen vif->fw_vif_idx, enable); 2672c422d52dSThomas Pedersen if (err) 2673c422d52dSThomas Pedersen ath6kl_err("failed to %s enhanced bmiss detection: %d\n", 2674c422d52dSThomas Pedersen enable ? "enable" : "disable", err); 2675c422d52dSThomas Pedersen } 2676c422d52dSThomas Pedersen 2677d97c121bSVasanthakumar Thiagarajan static int ath6kl_get_rsn_capab(struct cfg80211_beacon_data *beacon, 2678d97c121bSVasanthakumar Thiagarajan u8 *rsn_capab) 2679d97c121bSVasanthakumar Thiagarajan { 2680d97c121bSVasanthakumar Thiagarajan const u8 *rsn_ie; 2681d97c121bSVasanthakumar Thiagarajan size_t rsn_ie_len; 2682d97c121bSVasanthakumar Thiagarajan u16 cnt; 2683d97c121bSVasanthakumar Thiagarajan 2684d97c121bSVasanthakumar Thiagarajan if (!beacon->tail) 2685d97c121bSVasanthakumar Thiagarajan return -EINVAL; 2686d97c121bSVasanthakumar Thiagarajan 2687d97c121bSVasanthakumar Thiagarajan rsn_ie = cfg80211_find_ie(WLAN_EID_RSN, beacon->tail, beacon->tail_len); 2688d97c121bSVasanthakumar Thiagarajan if (!rsn_ie) 2689d97c121bSVasanthakumar Thiagarajan return -EINVAL; 2690d97c121bSVasanthakumar Thiagarajan 2691d97c121bSVasanthakumar Thiagarajan rsn_ie_len = *(rsn_ie + 1); 2692d97c121bSVasanthakumar Thiagarajan /* skip element id and length */ 2693d97c121bSVasanthakumar Thiagarajan rsn_ie += 2; 2694d97c121bSVasanthakumar Thiagarajan 26959e8b16dbSVasanthakumar Thiagarajan /* skip version */ 26969e8b16dbSVasanthakumar Thiagarajan if (rsn_ie_len < 2) 2697d97c121bSVasanthakumar Thiagarajan return -EINVAL; 26989e8b16dbSVasanthakumar Thiagarajan rsn_ie += 2; 26999e8b16dbSVasanthakumar Thiagarajan rsn_ie_len -= 2; 27009e8b16dbSVasanthakumar Thiagarajan 27019e8b16dbSVasanthakumar Thiagarajan /* skip group cipher suite */ 27029e8b16dbSVasanthakumar Thiagarajan if (rsn_ie_len < 4) 27039e8b16dbSVasanthakumar Thiagarajan return 0; 27049e8b16dbSVasanthakumar Thiagarajan rsn_ie += 4; 27059e8b16dbSVasanthakumar Thiagarajan rsn_ie_len -= 4; 2706d97c121bSVasanthakumar Thiagarajan 2707d97c121bSVasanthakumar Thiagarajan /* skip pairwise cipher suite */ 2708d97c121bSVasanthakumar Thiagarajan if (rsn_ie_len < 2) 27099e8b16dbSVasanthakumar Thiagarajan return 0; 2710798985c6SVasanthakumar Thiagarajan cnt = get_unaligned_le16(rsn_ie); 2711d97c121bSVasanthakumar Thiagarajan rsn_ie += (2 + cnt * 4); 2712d97c121bSVasanthakumar Thiagarajan rsn_ie_len -= (2 + cnt * 4); 2713d97c121bSVasanthakumar Thiagarajan 2714d97c121bSVasanthakumar Thiagarajan /* skip akm suite */ 2715d97c121bSVasanthakumar Thiagarajan if (rsn_ie_len < 2) 27169e8b16dbSVasanthakumar Thiagarajan return 0; 2717798985c6SVasanthakumar Thiagarajan cnt = get_unaligned_le16(rsn_ie); 2718d97c121bSVasanthakumar Thiagarajan rsn_ie += (2 + cnt * 4); 2719d97c121bSVasanthakumar Thiagarajan rsn_ie_len -= (2 + cnt * 4); 2720d97c121bSVasanthakumar Thiagarajan 2721d97c121bSVasanthakumar Thiagarajan if (rsn_ie_len < 2) 27229e8b16dbSVasanthakumar Thiagarajan return 0; 2723d97c121bSVasanthakumar Thiagarajan 2724d97c121bSVasanthakumar Thiagarajan memcpy(rsn_capab, rsn_ie, 2); 2725d97c121bSVasanthakumar Thiagarajan 2726d97c121bSVasanthakumar Thiagarajan return 0; 2727d97c121bSVasanthakumar Thiagarajan } 2728d97c121bSVasanthakumar Thiagarajan 27298860020eSJohannes Berg static int ath6kl_start_ap(struct wiphy *wiphy, struct net_device *dev, 27308860020eSJohannes Berg struct cfg80211_ap_settings *info) 27316a7c9badSJouni Malinen { 27326a7c9badSJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 27333450334fSVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 27346a7c9badSJouni Malinen struct ieee80211_mgmt *mgmt; 273567cd22e4SThomas Pedersen bool hidden = false; 27366a7c9badSJouni Malinen u8 *ies; 27376a7c9badSJouni Malinen int ies_len; 27386a7c9badSJouni Malinen struct wmi_connect_cmd p; 27396a7c9badSJouni Malinen int res; 2740be5abaafSVasanthakumar Thiagarajan int i, ret; 2741d97c121bSVasanthakumar Thiagarajan u16 rsn_capab = 0; 27426a7c9badSJouni Malinen 27438860020eSJohannes Berg ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s:\n", __func__); 27446a7c9badSJouni Malinen 2745990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 27466a7c9badSJouni Malinen return -EIO; 27476a7c9badSJouni Malinen 2748f5938f24SVasanthakumar Thiagarajan if (vif->next_mode != AP_NETWORK) 27496a7c9badSJouni Malinen return -EOPNOTSUPP; 27506a7c9badSJouni Malinen 27518860020eSJohannes Berg res = ath6kl_set_ies(vif, &info->beacon); 27526a7c9badSJouni Malinen 27539a5b1318SJouni Malinen ar->ap_mode_bkey.valid = false; 27549a5b1318SJouni Malinen 27556a7c9badSJouni Malinen /* TODO: 27566a7c9badSJouni Malinen * info->interval 27576a7c9badSJouni Malinen */ 27586a7c9badSJouni Malinen 2759d154f32eSEtay Luz ret = ath6kl_wmi_ap_set_dtim_cmd(ar->wmi, vif->fw_vif_idx, 2760d154f32eSEtay Luz info->dtim_period); 2761d154f32eSEtay Luz 2762d154f32eSEtay Luz /* ignore error, just print a warning and continue normally */ 2763d154f32eSEtay Luz if (ret) 2764d154f32eSEtay Luz ath6kl_warn("Failed to set dtim_period in beacon: %d\n", ret); 2765d154f32eSEtay Luz 27668860020eSJohannes Berg if (info->beacon.head == NULL) 27676a7c9badSJouni Malinen return -EINVAL; 27688860020eSJohannes Berg mgmt = (struct ieee80211_mgmt *) info->beacon.head; 27696a7c9badSJouni Malinen ies = mgmt->u.beacon.variable; 27708860020eSJohannes Berg if (ies > info->beacon.head + info->beacon.head_len) 27716a7c9badSJouni Malinen return -EINVAL; 27728860020eSJohannes Berg ies_len = info->beacon.head + info->beacon.head_len - ies; 27736a7c9badSJouni Malinen 27746a7c9badSJouni Malinen if (info->ssid == NULL) 27756a7c9badSJouni Malinen return -EINVAL; 27763450334fSVasanthakumar Thiagarajan memcpy(vif->ssid, info->ssid, info->ssid_len); 27773450334fSVasanthakumar Thiagarajan vif->ssid_len = info->ssid_len; 27786a7c9badSJouni Malinen if (info->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE) 277967cd22e4SThomas Pedersen hidden = true; 278067cd22e4SThomas Pedersen 278167cd22e4SThomas Pedersen res = ath6kl_wmi_ap_hidden_ssid(ar->wmi, vif->fw_vif_idx, hidden); 278267cd22e4SThomas Pedersen if (res) 278367cd22e4SThomas Pedersen return res; 27846a7c9badSJouni Malinen 2785be5abaafSVasanthakumar Thiagarajan ret = ath6kl_set_auth_type(vif, info->auth_type); 2786be5abaafSVasanthakumar Thiagarajan if (ret) 2787be5abaafSVasanthakumar Thiagarajan return ret; 27886a7c9badSJouni Malinen 27896a7c9badSJouni Malinen memset(&p, 0, sizeof(p)); 27906a7c9badSJouni Malinen 27916a7c9badSJouni Malinen for (i = 0; i < info->crypto.n_akm_suites; i++) { 27926a7c9badSJouni Malinen switch (info->crypto.akm_suites[i]) { 27936a7c9badSJouni Malinen case WLAN_AKM_SUITE_8021X: 27946a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1) 27956a7c9badSJouni Malinen p.auth_mode |= WPA_AUTH; 27966a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2) 27976a7c9badSJouni Malinen p.auth_mode |= WPA2_AUTH; 27986a7c9badSJouni Malinen break; 27996a7c9badSJouni Malinen case WLAN_AKM_SUITE_PSK: 28006a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1) 28016a7c9badSJouni Malinen p.auth_mode |= WPA_PSK_AUTH; 28026a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2) 28036a7c9badSJouni Malinen p.auth_mode |= WPA2_PSK_AUTH; 28046a7c9badSJouni Malinen break; 28056a7c9badSJouni Malinen } 28066a7c9badSJouni Malinen } 28076a7c9badSJouni Malinen if (p.auth_mode == 0) 28086a7c9badSJouni Malinen p.auth_mode = NONE_AUTH; 28093450334fSVasanthakumar Thiagarajan vif->auth_mode = p.auth_mode; 28106a7c9badSJouni Malinen 28116a7c9badSJouni Malinen for (i = 0; i < info->crypto.n_ciphers_pairwise; i++) { 28126a7c9badSJouni Malinen switch (info->crypto.ciphers_pairwise[i]) { 28136a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP40: 28146a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP104: 28156a7c9badSJouni Malinen p.prwise_crypto_type |= WEP_CRYPT; 28166a7c9badSJouni Malinen break; 28176a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_TKIP: 28186a7c9badSJouni Malinen p.prwise_crypto_type |= TKIP_CRYPT; 28196a7c9badSJouni Malinen break; 28206a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_CCMP: 28216a7c9badSJouni Malinen p.prwise_crypto_type |= AES_CRYPT; 28226a7c9badSJouni Malinen break; 2823b8214df1SDai Shuibing case WLAN_CIPHER_SUITE_SMS4: 2824b8214df1SDai Shuibing p.prwise_crypto_type |= WAPI_CRYPT; 2825b8214df1SDai Shuibing break; 28266a7c9badSJouni Malinen } 28276a7c9badSJouni Malinen } 2828229ed6b5SEdward Lu if (p.prwise_crypto_type == 0) { 28296a7c9badSJouni Malinen p.prwise_crypto_type = NONE_CRYPT; 2830240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, 0, true); 2831229ed6b5SEdward Lu } else if (info->crypto.n_ciphers_pairwise == 1) 2832240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, info->crypto.ciphers_pairwise[0], true); 28336a7c9badSJouni Malinen 28346a7c9badSJouni Malinen switch (info->crypto.cipher_group) { 28356a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP40: 28366a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP104: 28376a7c9badSJouni Malinen p.grp_crypto_type = WEP_CRYPT; 28386a7c9badSJouni Malinen break; 28396a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_TKIP: 28406a7c9badSJouni Malinen p.grp_crypto_type = TKIP_CRYPT; 28416a7c9badSJouni Malinen break; 28426a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_CCMP: 28436a7c9badSJouni Malinen p.grp_crypto_type = AES_CRYPT; 28446a7c9badSJouni Malinen break; 2845b8214df1SDai Shuibing case WLAN_CIPHER_SUITE_SMS4: 2846b8214df1SDai Shuibing p.grp_crypto_type = WAPI_CRYPT; 2847b8214df1SDai Shuibing break; 28486a7c9badSJouni Malinen default: 28496a7c9badSJouni Malinen p.grp_crypto_type = NONE_CRYPT; 28506a7c9badSJouni Malinen break; 28516a7c9badSJouni Malinen } 2852240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, info->crypto.cipher_group, false); 28536a7c9badSJouni Malinen 28546a7c9badSJouni Malinen p.nw_type = AP_NETWORK; 2855f5938f24SVasanthakumar Thiagarajan vif->nw_type = vif->next_mode; 28566a7c9badSJouni Malinen 28573450334fSVasanthakumar Thiagarajan p.ssid_len = vif->ssid_len; 28583450334fSVasanthakumar Thiagarajan memcpy(p.ssid, vif->ssid, vif->ssid_len); 28593450334fSVasanthakumar Thiagarajan p.dot11_auth_mode = vif->dot11_auth_mode; 2860aa430da4SJohannes Berg p.ch = cpu_to_le16(info->channel->center_freq); 28616a7c9badSJouni Malinen 2862c1762a3fSThirumalai Pachamuthu /* Enable uAPSD support by default */ 2863c1762a3fSThirumalai Pachamuthu res = ath6kl_wmi_ap_set_apsd(ar->wmi, vif->fw_vif_idx, true); 2864c1762a3fSThirumalai Pachamuthu if (res < 0) 2865c1762a3fSThirumalai Pachamuthu return res; 2866c1762a3fSThirumalai Pachamuthu 28673ca9d1fcSAarthi Thiruvengadam if (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO) { 28683ca9d1fcSAarthi Thiruvengadam p.nw_subtype = SUBTYPE_P2PGO; 28693ca9d1fcSAarthi Thiruvengadam } else { 28703ca9d1fcSAarthi Thiruvengadam /* 28713ca9d1fcSAarthi Thiruvengadam * Due to firmware limitation, it is not possible to 28723ca9d1fcSAarthi Thiruvengadam * do P2P mgmt operations in AP mode 28733ca9d1fcSAarthi Thiruvengadam */ 28743ca9d1fcSAarthi Thiruvengadam p.nw_subtype = SUBTYPE_NONE; 28753ca9d1fcSAarthi Thiruvengadam } 28763ca9d1fcSAarthi Thiruvengadam 287703bdeb0dSVasanthakumar Thiagarajan if (info->inactivity_timeout) { 287803bdeb0dSVasanthakumar Thiagarajan res = ath6kl_wmi_set_inact_period(ar->wmi, vif->fw_vif_idx, 287903bdeb0dSVasanthakumar Thiagarajan info->inactivity_timeout); 288003bdeb0dSVasanthakumar Thiagarajan if (res < 0) 288103bdeb0dSVasanthakumar Thiagarajan return res; 288203bdeb0dSVasanthakumar Thiagarajan } 288303bdeb0dSVasanthakumar Thiagarajan 2884aa430da4SJohannes Berg if (ath6kl_set_htcap(vif, info->channel->band, 2885aa430da4SJohannes Berg info->channel_type != NL80211_CHAN_NO_HT)) 2886df90b369SVasanthakumar Thiagarajan return -EIO; 2887df90b369SVasanthakumar Thiagarajan 2888d97c121bSVasanthakumar Thiagarajan /* 2889d97c121bSVasanthakumar Thiagarajan * Get the PTKSA replay counter in the RSN IE. Supplicant 2890d97c121bSVasanthakumar Thiagarajan * will use the RSN IE in M3 message and firmware has to 2891d97c121bSVasanthakumar Thiagarajan * advertise the same in beacon/probe response. Send 2892d97c121bSVasanthakumar Thiagarajan * the complete RSN IE capability field to firmware 2893d97c121bSVasanthakumar Thiagarajan */ 2894d97c121bSVasanthakumar Thiagarajan if (!ath6kl_get_rsn_capab(&info->beacon, (u8 *) &rsn_capab) && 2895d97c121bSVasanthakumar Thiagarajan test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE, 2896d97c121bSVasanthakumar Thiagarajan ar->fw_capabilities)) { 2897d97c121bSVasanthakumar Thiagarajan res = ath6kl_wmi_set_ie_cmd(ar->wmi, vif->fw_vif_idx, 2898d97c121bSVasanthakumar Thiagarajan WLAN_EID_RSN, WMI_RSN_IE_CAPB, 2899d97c121bSVasanthakumar Thiagarajan (const u8 *) &rsn_capab, 2900d97c121bSVasanthakumar Thiagarajan sizeof(rsn_capab)); 2901d97c121bSVasanthakumar Thiagarajan if (res < 0) 2902d97c121bSVasanthakumar Thiagarajan return res; 2903d97c121bSVasanthakumar Thiagarajan } 2904d97c121bSVasanthakumar Thiagarajan 2905c4f7863eSThomas Pedersen memcpy(&vif->profile, &p, sizeof(p)); 2906334234b5SVasanthakumar Thiagarajan res = ath6kl_wmi_ap_profile_commit(ar->wmi, vif->fw_vif_idx, &p); 29079a5b1318SJouni Malinen if (res < 0) 29089a5b1318SJouni Malinen return res; 29099a5b1318SJouni Malinen 29109a5b1318SJouni Malinen return 0; 29116a7c9badSJouni Malinen } 29126a7c9badSJouni Malinen 29138860020eSJohannes Berg static int ath6kl_change_beacon(struct wiphy *wiphy, struct net_device *dev, 29148860020eSJohannes Berg struct cfg80211_beacon_data *beacon) 29156a7c9badSJouni Malinen { 29168860020eSJohannes Berg struct ath6kl_vif *vif = netdev_priv(dev); 29178860020eSJohannes Berg 29188860020eSJohannes Berg if (!ath6kl_cfg80211_ready(vif)) 29198860020eSJohannes Berg return -EIO; 29208860020eSJohannes Berg 29218860020eSJohannes Berg if (vif->next_mode != AP_NETWORK) 29228860020eSJohannes Berg return -EOPNOTSUPP; 29238860020eSJohannes Berg 29248860020eSJohannes Berg return ath6kl_set_ies(vif, beacon); 29256a7c9badSJouni Malinen } 29266a7c9badSJouni Malinen 29278860020eSJohannes Berg static int ath6kl_stop_ap(struct wiphy *wiphy, struct net_device *dev) 29286a7c9badSJouni Malinen { 29296a7c9badSJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 293059c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 29316a7c9badSJouni Malinen 2932f5938f24SVasanthakumar Thiagarajan if (vif->nw_type != AP_NETWORK) 29336a7c9badSJouni Malinen return -EOPNOTSUPP; 293459c98449SVasanthakumar Thiagarajan if (!test_bit(CONNECTED, &vif->flags)) 29356a7c9badSJouni Malinen return -ENOTCONN; 29366a7c9badSJouni Malinen 2937334234b5SVasanthakumar Thiagarajan ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx); 293859c98449SVasanthakumar Thiagarajan clear_bit(CONNECTED, &vif->flags); 29396a7c9badSJouni Malinen 2940df90b369SVasanthakumar Thiagarajan /* Restore ht setting in firmware */ 294137a2f950SThomas Pedersen return ath6kl_restore_htcap(vif); 29426a7c9badSJouni Malinen } 29436a7c9badSJouni Malinen 294433e5308dSJouni Malinen static const u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; 294533e5308dSJouni Malinen 294633e5308dSJouni Malinen static int ath6kl_del_station(struct wiphy *wiphy, struct net_device *dev, 294733e5308dSJouni Malinen u8 *mac) 294833e5308dSJouni Malinen { 294933e5308dSJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 295033e5308dSJouni Malinen struct ath6kl_vif *vif = netdev_priv(dev); 295133e5308dSJouni Malinen const u8 *addr = mac ? mac : bcast_addr; 295233e5308dSJouni Malinen 295333e5308dSJouni Malinen return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, WMI_AP_DEAUTH, 295433e5308dSJouni Malinen addr, WLAN_REASON_PREV_AUTH_NOT_VALID); 295533e5308dSJouni Malinen } 295633e5308dSJouni Malinen 295723875136SJouni Malinen static int ath6kl_change_station(struct wiphy *wiphy, struct net_device *dev, 295823875136SJouni Malinen u8 *mac, struct station_parameters *params) 295923875136SJouni Malinen { 296023875136SJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 2961f5938f24SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 296223875136SJouni Malinen 2963f5938f24SVasanthakumar Thiagarajan if (vif->nw_type != AP_NETWORK) 296423875136SJouni Malinen return -EOPNOTSUPP; 296523875136SJouni Malinen 296623875136SJouni Malinen /* Use this only for authorizing/unauthorizing a station */ 296723875136SJouni Malinen if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))) 296823875136SJouni Malinen return -EOPNOTSUPP; 296923875136SJouni Malinen 297023875136SJouni Malinen if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED)) 2971334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, 2972334234b5SVasanthakumar Thiagarajan WMI_AP_MLME_AUTHORIZE, mac, 0); 2973334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, 2974334234b5SVasanthakumar Thiagarajan WMI_AP_MLME_UNAUTHORIZE, mac, 0); 297523875136SJouni Malinen } 297623875136SJouni Malinen 297763fa1e0cSJouni Malinen static int ath6kl_remain_on_channel(struct wiphy *wiphy, 297871bbc994SJohannes Berg struct wireless_dev *wdev, 297963fa1e0cSJouni Malinen struct ieee80211_channel *chan, 298063fa1e0cSJouni Malinen enum nl80211_channel_type channel_type, 298163fa1e0cSJouni Malinen unsigned int duration, 298263fa1e0cSJouni Malinen u64 *cookie) 298363fa1e0cSJouni Malinen { 298471bbc994SJohannes Berg struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); 298571bbc994SJohannes Berg struct ath6kl *ar = ath6kl_priv(vif->ndev); 29861052261eSJouni Malinen u32 id; 298763fa1e0cSJouni Malinen 298863fa1e0cSJouni Malinen /* TODO: if already pending or ongoing remain-on-channel, 298963fa1e0cSJouni Malinen * return -EBUSY */ 29901052261eSJouni Malinen id = ++vif->last_roc_id; 29911052261eSJouni Malinen if (id == 0) { 29921052261eSJouni Malinen /* Do not use 0 as the cookie value */ 29931052261eSJouni Malinen id = ++vif->last_roc_id; 29941052261eSJouni Malinen } 29951052261eSJouni Malinen *cookie = id; 299663fa1e0cSJouni Malinen 2997334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx, 2998334234b5SVasanthakumar Thiagarajan chan->center_freq, duration); 299963fa1e0cSJouni Malinen } 300063fa1e0cSJouni Malinen 300163fa1e0cSJouni Malinen static int ath6kl_cancel_remain_on_channel(struct wiphy *wiphy, 300271bbc994SJohannes Berg struct wireless_dev *wdev, 300363fa1e0cSJouni Malinen u64 cookie) 300463fa1e0cSJouni Malinen { 300571bbc994SJohannes Berg struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); 300671bbc994SJohannes Berg struct ath6kl *ar = ath6kl_priv(vif->ndev); 300763fa1e0cSJouni Malinen 30081052261eSJouni Malinen if (cookie != vif->last_roc_id) 300963fa1e0cSJouni Malinen return -ENOENT; 30101052261eSJouni Malinen vif->last_cancel_roc_id = cookie; 301163fa1e0cSJouni Malinen 3012334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_cancel_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx); 301363fa1e0cSJouni Malinen } 301463fa1e0cSJouni Malinen 3015334234b5SVasanthakumar Thiagarajan static int ath6kl_send_go_probe_resp(struct ath6kl_vif *vif, 3016334234b5SVasanthakumar Thiagarajan const u8 *buf, size_t len, 3017334234b5SVasanthakumar Thiagarajan unsigned int freq) 30188bdfbf40SJouni Malinen { 3019334234b5SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 30208bdfbf40SJouni Malinen const u8 *pos; 30218bdfbf40SJouni Malinen u8 *p2p; 30228bdfbf40SJouni Malinen int p2p_len; 30238bdfbf40SJouni Malinen int ret; 30248bdfbf40SJouni Malinen const struct ieee80211_mgmt *mgmt; 30258bdfbf40SJouni Malinen 30268bdfbf40SJouni Malinen mgmt = (const struct ieee80211_mgmt *) buf; 30278bdfbf40SJouni Malinen 30288bdfbf40SJouni Malinen /* Include P2P IE(s) from the frame generated in user space. */ 30298bdfbf40SJouni Malinen 30308bdfbf40SJouni Malinen p2p = kmalloc(len, GFP_KERNEL); 30318bdfbf40SJouni Malinen if (p2p == NULL) 30328bdfbf40SJouni Malinen return -ENOMEM; 30338bdfbf40SJouni Malinen p2p_len = 0; 30348bdfbf40SJouni Malinen 30358bdfbf40SJouni Malinen pos = mgmt->u.probe_resp.variable; 30368bdfbf40SJouni Malinen while (pos + 1 < buf + len) { 30378bdfbf40SJouni Malinen if (pos + 2 + pos[1] > buf + len) 30388bdfbf40SJouni Malinen break; 30398bdfbf40SJouni Malinen if (ath6kl_is_p2p_ie(pos)) { 30408bdfbf40SJouni Malinen memcpy(p2p + p2p_len, pos, 2 + pos[1]); 30418bdfbf40SJouni Malinen p2p_len += 2 + pos[1]; 30428bdfbf40SJouni Malinen } 30438bdfbf40SJouni Malinen pos += 2 + pos[1]; 30448bdfbf40SJouni Malinen } 30458bdfbf40SJouni Malinen 3046334234b5SVasanthakumar Thiagarajan ret = ath6kl_wmi_send_probe_response_cmd(ar->wmi, vif->fw_vif_idx, freq, 3047334234b5SVasanthakumar Thiagarajan mgmt->da, p2p, p2p_len); 30488bdfbf40SJouni Malinen kfree(p2p); 30498bdfbf40SJouni Malinen return ret; 30508bdfbf40SJouni Malinen } 30518bdfbf40SJouni Malinen 3052d0ff7383SNaveen Gangadharan static bool ath6kl_mgmt_powersave_ap(struct ath6kl_vif *vif, 3053d0ff7383SNaveen Gangadharan u32 id, 3054d0ff7383SNaveen Gangadharan u32 freq, 3055d0ff7383SNaveen Gangadharan u32 wait, 3056d0ff7383SNaveen Gangadharan const u8 *buf, 3057d0ff7383SNaveen Gangadharan size_t len, 3058d0ff7383SNaveen Gangadharan bool *more_data, 3059d0ff7383SNaveen Gangadharan bool no_cck) 3060d0ff7383SNaveen Gangadharan { 3061d0ff7383SNaveen Gangadharan struct ieee80211_mgmt *mgmt; 3062d0ff7383SNaveen Gangadharan struct ath6kl_sta *conn; 3063d0ff7383SNaveen Gangadharan bool is_psq_empty = false; 3064d0ff7383SNaveen Gangadharan struct ath6kl_mgmt_buff *mgmt_buf; 3065d0ff7383SNaveen Gangadharan size_t mgmt_buf_size; 3066d0ff7383SNaveen Gangadharan struct ath6kl *ar = vif->ar; 3067d0ff7383SNaveen Gangadharan 3068d0ff7383SNaveen Gangadharan mgmt = (struct ieee80211_mgmt *) buf; 3069d0ff7383SNaveen Gangadharan if (is_multicast_ether_addr(mgmt->da)) 3070d0ff7383SNaveen Gangadharan return false; 3071d0ff7383SNaveen Gangadharan 3072d0ff7383SNaveen Gangadharan conn = ath6kl_find_sta(vif, mgmt->da); 3073d0ff7383SNaveen Gangadharan if (!conn) 3074d0ff7383SNaveen Gangadharan return false; 3075d0ff7383SNaveen Gangadharan 3076d0ff7383SNaveen Gangadharan if (conn->sta_flags & STA_PS_SLEEP) { 3077d0ff7383SNaveen Gangadharan if (!(conn->sta_flags & STA_PS_POLLED)) { 3078d0ff7383SNaveen Gangadharan /* Queue the frames if the STA is sleeping */ 3079d0ff7383SNaveen Gangadharan mgmt_buf_size = len + sizeof(struct ath6kl_mgmt_buff); 3080d0ff7383SNaveen Gangadharan mgmt_buf = kmalloc(mgmt_buf_size, GFP_KERNEL); 3081d0ff7383SNaveen Gangadharan if (!mgmt_buf) 3082d0ff7383SNaveen Gangadharan return false; 3083d0ff7383SNaveen Gangadharan 3084d0ff7383SNaveen Gangadharan INIT_LIST_HEAD(&mgmt_buf->list); 3085d0ff7383SNaveen Gangadharan mgmt_buf->id = id; 3086d0ff7383SNaveen Gangadharan mgmt_buf->freq = freq; 3087d0ff7383SNaveen Gangadharan mgmt_buf->wait = wait; 3088d0ff7383SNaveen Gangadharan mgmt_buf->len = len; 3089d0ff7383SNaveen Gangadharan mgmt_buf->no_cck = no_cck; 3090d0ff7383SNaveen Gangadharan memcpy(mgmt_buf->buf, buf, len); 3091d0ff7383SNaveen Gangadharan spin_lock_bh(&conn->psq_lock); 3092d0ff7383SNaveen Gangadharan is_psq_empty = skb_queue_empty(&conn->psq) && 3093d0ff7383SNaveen Gangadharan (conn->mgmt_psq_len == 0); 3094d0ff7383SNaveen Gangadharan list_add_tail(&mgmt_buf->list, &conn->mgmt_psq); 3095d0ff7383SNaveen Gangadharan conn->mgmt_psq_len++; 3096d0ff7383SNaveen Gangadharan spin_unlock_bh(&conn->psq_lock); 3097d0ff7383SNaveen Gangadharan 3098d0ff7383SNaveen Gangadharan /* 3099d0ff7383SNaveen Gangadharan * If this is the first pkt getting queued 3100d0ff7383SNaveen Gangadharan * for this STA, update the PVB for this 3101d0ff7383SNaveen Gangadharan * STA. 3102d0ff7383SNaveen Gangadharan */ 3103d0ff7383SNaveen Gangadharan if (is_psq_empty) 3104d0ff7383SNaveen Gangadharan ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx, 3105d0ff7383SNaveen Gangadharan conn->aid, 1); 3106d0ff7383SNaveen Gangadharan return true; 3107d0ff7383SNaveen Gangadharan } 3108d0ff7383SNaveen Gangadharan 3109d0ff7383SNaveen Gangadharan /* 3110d0ff7383SNaveen Gangadharan * This tx is because of a PsPoll. 3111d0ff7383SNaveen Gangadharan * Determine if MoreData bit has to be set. 3112d0ff7383SNaveen Gangadharan */ 3113d0ff7383SNaveen Gangadharan spin_lock_bh(&conn->psq_lock); 3114d0ff7383SNaveen Gangadharan if (!skb_queue_empty(&conn->psq) || (conn->mgmt_psq_len != 0)) 3115d0ff7383SNaveen Gangadharan *more_data = true; 3116d0ff7383SNaveen Gangadharan spin_unlock_bh(&conn->psq_lock); 3117d0ff7383SNaveen Gangadharan } 3118d0ff7383SNaveen Gangadharan 3119d0ff7383SNaveen Gangadharan return false; 3120d0ff7383SNaveen Gangadharan } 3121d0ff7383SNaveen Gangadharan 3122c86e4f44SAarthi Thiruvengadam /* Check if SSID length is greater than DIRECT- */ 3123c86e4f44SAarthi Thiruvengadam static bool ath6kl_is_p2p_go_ssid(const u8 *buf, size_t len) 3124c86e4f44SAarthi Thiruvengadam { 3125c86e4f44SAarthi Thiruvengadam const struct ieee80211_mgmt *mgmt; 3126c86e4f44SAarthi Thiruvengadam mgmt = (const struct ieee80211_mgmt *) buf; 3127c86e4f44SAarthi Thiruvengadam 3128c86e4f44SAarthi Thiruvengadam /* variable[1] contains the SSID tag length */ 3129c86e4f44SAarthi Thiruvengadam if (buf + len >= &mgmt->u.probe_resp.variable[1] && 3130c86e4f44SAarthi Thiruvengadam (mgmt->u.probe_resp.variable[1] > P2P_WILDCARD_SSID_LEN)) { 3131c86e4f44SAarthi Thiruvengadam return true; 3132c86e4f44SAarthi Thiruvengadam } 3133c86e4f44SAarthi Thiruvengadam 3134c86e4f44SAarthi Thiruvengadam return false; 3135c86e4f44SAarthi Thiruvengadam } 3136c86e4f44SAarthi Thiruvengadam 313771bbc994SJohannes Berg static int ath6kl_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, 31388a6c8060SJouni Malinen struct ieee80211_channel *chan, bool offchan, 31398a6c8060SJouni Malinen enum nl80211_channel_type channel_type, 31408a6c8060SJouni Malinen bool channel_type_valid, unsigned int wait, 3141e247bd90SJohannes Berg const u8 *buf, size_t len, bool no_cck, 3142e247bd90SJohannes Berg bool dont_wait_for_ack, u64 *cookie) 31438a6c8060SJouni Malinen { 314471bbc994SJohannes Berg struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); 314571bbc994SJohannes Berg struct ath6kl *ar = ath6kl_priv(vif->ndev); 31468a6c8060SJouni Malinen u32 id; 31478bdfbf40SJouni Malinen const struct ieee80211_mgmt *mgmt; 3148d0ff7383SNaveen Gangadharan bool more_data, queued; 31498bdfbf40SJouni Malinen 31508bdfbf40SJouni Malinen mgmt = (const struct ieee80211_mgmt *) buf; 3151c86e4f44SAarthi Thiruvengadam if (vif->nw_type == AP_NETWORK && test_bit(CONNECTED, &vif->flags) && 3152c86e4f44SAarthi Thiruvengadam ieee80211_is_probe_resp(mgmt->frame_control) && 3153c86e4f44SAarthi Thiruvengadam ath6kl_is_p2p_go_ssid(buf, len)) { 31548bdfbf40SJouni Malinen /* 3155c86e4f44SAarthi Thiruvengadam * Send Probe Response frame in GO mode using a separate WMI 31568bdfbf40SJouni Malinen * command to allow the target to fill in the generic IEs. 31578bdfbf40SJouni Malinen */ 31588bdfbf40SJouni Malinen *cookie = 0; /* TX status not supported */ 3159334234b5SVasanthakumar Thiagarajan return ath6kl_send_go_probe_resp(vif, buf, len, 31608bdfbf40SJouni Malinen chan->center_freq); 31618bdfbf40SJouni Malinen } 31628a6c8060SJouni Malinen 3163cf5333d7SVasanthakumar Thiagarajan id = vif->send_action_id++; 31648a6c8060SJouni Malinen if (id == 0) { 31658a6c8060SJouni Malinen /* 31668a6c8060SJouni Malinen * 0 is a reserved value in the WMI command and shall not be 31678a6c8060SJouni Malinen * used for the command. 31688a6c8060SJouni Malinen */ 3169cf5333d7SVasanthakumar Thiagarajan id = vif->send_action_id++; 31708a6c8060SJouni Malinen } 31718a6c8060SJouni Malinen 31728a6c8060SJouni Malinen *cookie = id; 31733ca9d1fcSAarthi Thiruvengadam 3174d0ff7383SNaveen Gangadharan /* AP mode Power saving processing */ 3175d0ff7383SNaveen Gangadharan if (vif->nw_type == AP_NETWORK) { 3176d0ff7383SNaveen Gangadharan queued = ath6kl_mgmt_powersave_ap(vif, 3177d0ff7383SNaveen Gangadharan id, chan->center_freq, 3178d0ff7383SNaveen Gangadharan wait, buf, 3179d0ff7383SNaveen Gangadharan len, &more_data, no_cck); 3180d0ff7383SNaveen Gangadharan if (queued) 3181d0ff7383SNaveen Gangadharan return 0; 3182d0ff7383SNaveen Gangadharan } 3183d0ff7383SNaveen Gangadharan 31843ca9d1fcSAarthi Thiruvengadam return ath6kl_wmi_send_mgmt_cmd(ar->wmi, vif->fw_vif_idx, id, 31853ca9d1fcSAarthi Thiruvengadam chan->center_freq, wait, 31863ca9d1fcSAarthi Thiruvengadam buf, len, no_cck); 31873ca9d1fcSAarthi Thiruvengadam } 31888a6c8060SJouni Malinen 3189ae32c30aSJouni Malinen static void ath6kl_mgmt_frame_register(struct wiphy *wiphy, 319071bbc994SJohannes Berg struct wireless_dev *wdev, 3191ae32c30aSJouni Malinen u16 frame_type, bool reg) 3192ae32c30aSJouni Malinen { 319371bbc994SJohannes Berg struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); 3194ae32c30aSJouni Malinen 3195ae32c30aSJouni Malinen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: frame_type=0x%x reg=%d\n", 3196ae32c30aSJouni Malinen __func__, frame_type, reg); 3197ae32c30aSJouni Malinen if (frame_type == IEEE80211_STYPE_PROBE_REQ) { 3198ae32c30aSJouni Malinen /* 3199ae32c30aSJouni Malinen * Note: This notification callback is not allowed to sleep, so 3200ae32c30aSJouni Malinen * we cannot send WMI_PROBE_REQ_REPORT_CMD here. Instead, we 3201ae32c30aSJouni Malinen * hardcode target to report Probe Request frames all the time. 3202ae32c30aSJouni Malinen */ 3203cf5333d7SVasanthakumar Thiagarajan vif->probe_req_report = reg; 3204ae32c30aSJouni Malinen } 3205ae32c30aSJouni Malinen } 3206ae32c30aSJouni Malinen 320710509f90SKalle Valo static int ath6kl_cfg80211_sscan_start(struct wiphy *wiphy, 320810509f90SKalle Valo struct net_device *dev, 320910509f90SKalle Valo struct cfg80211_sched_scan_request *request) 321010509f90SKalle Valo { 321110509f90SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 321210509f90SKalle Valo struct ath6kl_vif *vif = netdev_priv(dev); 321310509f90SKalle Valo u16 interval; 321485b20fc2SThomas Pedersen int ret, rssi_thold; 321510509f90SKalle Valo 321610509f90SKalle Valo if (ar->state != ATH6KL_STATE_ON) 321710509f90SKalle Valo return -EIO; 321810509f90SKalle Valo 321910509f90SKalle Valo if (vif->sme_state != SME_DISCONNECTED) 322010509f90SKalle Valo return -EBUSY; 322110509f90SKalle Valo 322277ed4e45SThomas Pedersen /* The FW currently can't support multi-vif WoW properly. */ 322377ed4e45SThomas Pedersen if (ar->num_vif > 1) 322477ed4e45SThomas Pedersen return -EIO; 322577ed4e45SThomas Pedersen 3226b4d13d3bSKalle Valo ath6kl_cfg80211_scan_complete_event(vif, true); 3227b4d13d3bSKalle Valo 32283b8ffc6aSJouni Malinen ret = ath6kl_set_probed_ssids(ar, vif, request->ssids, 3229dd45b759SNaveen Singh request->n_ssids, 3230dd45b759SNaveen Singh request->match_sets, 3231dd45b759SNaveen Singh request->n_match_sets); 32323b8ffc6aSJouni Malinen if (ret < 0) 32333b8ffc6aSJouni Malinen return ret; 323410509f90SKalle Valo 3235dd45b759SNaveen Singh if (!request->n_match_sets) { 3236dd45b759SNaveen Singh ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 3237dd45b759SNaveen Singh ALL_BSS_FILTER, 0); 3238dd45b759SNaveen Singh if (ret < 0) 3239dd45b759SNaveen Singh return ret; 3240dd45b759SNaveen Singh } else { 3241dd45b759SNaveen Singh ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 3242dd45b759SNaveen Singh MATCHED_SSID_FILTER, 0); 3243dd45b759SNaveen Singh if (ret < 0) 3244dd45b759SNaveen Singh return ret; 3245dd45b759SNaveen Singh } 3246dd45b759SNaveen Singh 324785b20fc2SThomas Pedersen if (test_bit(ATH6KL_FW_CAPABILITY_RSSI_SCAN_THOLD, 324885b20fc2SThomas Pedersen ar->fw_capabilities)) { 324985b20fc2SThomas Pedersen if (request->rssi_thold <= NL80211_SCAN_RSSI_THOLD_OFF) 325085b20fc2SThomas Pedersen rssi_thold = 0; 325185b20fc2SThomas Pedersen else if (request->rssi_thold < -127) 325285b20fc2SThomas Pedersen rssi_thold = -127; 325385b20fc2SThomas Pedersen else 325485b20fc2SThomas Pedersen rssi_thold = request->rssi_thold; 325585b20fc2SThomas Pedersen 325685b20fc2SThomas Pedersen ret = ath6kl_wmi_set_rssi_filter_cmd(ar->wmi, vif->fw_vif_idx, 325785b20fc2SThomas Pedersen rssi_thold); 325885b20fc2SThomas Pedersen if (ret) { 325985b20fc2SThomas Pedersen ath6kl_err("failed to set RSSI threshold for scan\n"); 326085b20fc2SThomas Pedersen return ret; 326185b20fc2SThomas Pedersen } 326285b20fc2SThomas Pedersen } 326385b20fc2SThomas Pedersen 326410509f90SKalle Valo /* fw uses seconds, also make sure that it's >0 */ 326510509f90SKalle Valo interval = max_t(u16, 1, request->interval / 1000); 326610509f90SKalle Valo 326710509f90SKalle Valo ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 326810509f90SKalle Valo interval, interval, 3269d472b5e4SSubramania Sharma Thandaveswaran vif->bg_scan_period, 0, 0, 0, 3, 0, 0, 0); 327010509f90SKalle Valo 327110509f90SKalle Valo ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx, 327210509f90SKalle Valo ATH6KL_WOW_MODE_ENABLE, 327310509f90SKalle Valo WOW_FILTER_SSID, 327410509f90SKalle Valo WOW_HOST_REQ_DELAY); 327510509f90SKalle Valo if (ret) { 327610509f90SKalle Valo ath6kl_warn("Failed to enable wow with ssid filter: %d\n", ret); 327710509f90SKalle Valo return ret; 327810509f90SKalle Valo } 327910509f90SKalle Valo 328010509f90SKalle Valo /* this also clears IE in fw if it's not set */ 328110509f90SKalle Valo ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 328210509f90SKalle Valo WMI_FRAME_PROBE_REQ, 328310509f90SKalle Valo request->ie, request->ie_len); 328410509f90SKalle Valo if (ret) { 3285f1ff32e8SJoe Perches ath6kl_warn("Failed to set probe request IE for scheduled scan: %d\n", 328610509f90SKalle Valo ret); 328710509f90SKalle Valo return ret; 328810509f90SKalle Valo } 328910509f90SKalle Valo 329010509f90SKalle Valo ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, 329110509f90SKalle Valo ATH6KL_HOST_MODE_ASLEEP); 329210509f90SKalle Valo if (ret) { 329310509f90SKalle Valo ath6kl_warn("Failed to enable host sleep mode for sched scan: %d\n", 329410509f90SKalle Valo ret); 329510509f90SKalle Valo return ret; 329610509f90SKalle Valo } 329710509f90SKalle Valo 329810509f90SKalle Valo ar->state = ATH6KL_STATE_SCHED_SCAN; 329910509f90SKalle Valo 330010509f90SKalle Valo return ret; 330110509f90SKalle Valo } 330210509f90SKalle Valo 330310509f90SKalle Valo static int ath6kl_cfg80211_sscan_stop(struct wiphy *wiphy, 330410509f90SKalle Valo struct net_device *dev) 330510509f90SKalle Valo { 330610509f90SKalle Valo struct ath6kl_vif *vif = netdev_priv(dev); 330710509f90SKalle Valo bool stopped; 330810509f90SKalle Valo 330910509f90SKalle Valo stopped = __ath6kl_cfg80211_sscan_stop(vif); 331010509f90SKalle Valo 331110509f90SKalle Valo if (!stopped) 331210509f90SKalle Valo return -EIO; 331310509f90SKalle Valo 331410509f90SKalle Valo return 0; 331510509f90SKalle Valo } 331610509f90SKalle Valo 331706e360acSBala Shanmugam static int ath6kl_cfg80211_set_bitrate(struct wiphy *wiphy, 331806e360acSBala Shanmugam struct net_device *dev, 331906e360acSBala Shanmugam const u8 *addr, 332006e360acSBala Shanmugam const struct cfg80211_bitrate_mask *mask) 332106e360acSBala Shanmugam { 332206e360acSBala Shanmugam struct ath6kl *ar = ath6kl_priv(dev); 332306e360acSBala Shanmugam struct ath6kl_vif *vif = netdev_priv(dev); 332406e360acSBala Shanmugam 332506e360acSBala Shanmugam return ath6kl_wmi_set_bitrate_mask(ar->wmi, vif->fw_vif_idx, 332606e360acSBala Shanmugam mask); 332706e360acSBala Shanmugam } 332806e360acSBala Shanmugam 3329f80574aeSJouni Malinen static const struct ieee80211_txrx_stypes 3330f80574aeSJouni Malinen ath6kl_mgmt_stypes[NUM_NL80211_IFTYPES] = { 3331f80574aeSJouni Malinen [NL80211_IFTYPE_STATION] = { 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 }, 3337ba1f6fe3SJouni Malinen [NL80211_IFTYPE_AP] = { 3338ba1f6fe3SJouni Malinen .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3339ba1f6fe3SJouni Malinen BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 3340ba1f6fe3SJouni Malinen .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3341ba1f6fe3SJouni Malinen BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 3342ba1f6fe3SJouni Malinen }, 3343f80574aeSJouni Malinen [NL80211_IFTYPE_P2P_CLIENT] = { 3344f80574aeSJouni Malinen .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3345f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 3346f80574aeSJouni Malinen .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3347f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 3348f80574aeSJouni Malinen }, 3349f80574aeSJouni Malinen [NL80211_IFTYPE_P2P_GO] = { 3350f80574aeSJouni Malinen .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3351f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 3352f80574aeSJouni Malinen .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3353f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 3354f80574aeSJouni Malinen }, 3355f80574aeSJouni Malinen }; 3356f80574aeSJouni Malinen 3357bdcd8170SKalle Valo static struct cfg80211_ops ath6kl_cfg80211_ops = { 335855055976SVasanthakumar Thiagarajan .add_virtual_intf = ath6kl_cfg80211_add_iface, 335955055976SVasanthakumar Thiagarajan .del_virtual_intf = ath6kl_cfg80211_del_iface, 3360bdcd8170SKalle Valo .change_virtual_intf = ath6kl_cfg80211_change_iface, 3361bdcd8170SKalle Valo .scan = ath6kl_cfg80211_scan, 3362bdcd8170SKalle Valo .connect = ath6kl_cfg80211_connect, 3363bdcd8170SKalle Valo .disconnect = ath6kl_cfg80211_disconnect, 3364bdcd8170SKalle Valo .add_key = ath6kl_cfg80211_add_key, 3365bdcd8170SKalle Valo .get_key = ath6kl_cfg80211_get_key, 3366bdcd8170SKalle Valo .del_key = ath6kl_cfg80211_del_key, 3367bdcd8170SKalle Valo .set_default_key = ath6kl_cfg80211_set_default_key, 3368bdcd8170SKalle Valo .set_wiphy_params = ath6kl_cfg80211_set_wiphy_params, 3369bdcd8170SKalle Valo .set_tx_power = ath6kl_cfg80211_set_txpower, 3370bdcd8170SKalle Valo .get_tx_power = ath6kl_cfg80211_get_txpower, 3371bdcd8170SKalle Valo .set_power_mgmt = ath6kl_cfg80211_set_power_mgmt, 3372bdcd8170SKalle Valo .join_ibss = ath6kl_cfg80211_join_ibss, 3373bdcd8170SKalle Valo .leave_ibss = ath6kl_cfg80211_leave_ibss, 3374bdcd8170SKalle Valo .get_station = ath6kl_get_station, 3375bdcd8170SKalle Valo .set_pmksa = ath6kl_set_pmksa, 3376bdcd8170SKalle Valo .del_pmksa = ath6kl_del_pmksa, 3377bdcd8170SKalle Valo .flush_pmksa = ath6kl_flush_pmksa, 3378003353b0SKalle Valo CFG80211_TESTMODE_CMD(ath6kl_tm_cmd) 3379abcb344bSKalle Valo #ifdef CONFIG_PM 338052d81a68SKalle Valo .suspend = __ath6kl_cfg80211_suspend, 338152d81a68SKalle Valo .resume = __ath6kl_cfg80211_resume, 3382abcb344bSKalle Valo #endif 33838860020eSJohannes Berg .start_ap = ath6kl_start_ap, 33848860020eSJohannes Berg .change_beacon = ath6kl_change_beacon, 33858860020eSJohannes Berg .stop_ap = ath6kl_stop_ap, 338633e5308dSJouni Malinen .del_station = ath6kl_del_station, 338723875136SJouni Malinen .change_station = ath6kl_change_station, 338863fa1e0cSJouni Malinen .remain_on_channel = ath6kl_remain_on_channel, 338963fa1e0cSJouni Malinen .cancel_remain_on_channel = ath6kl_cancel_remain_on_channel, 33908a6c8060SJouni Malinen .mgmt_tx = ath6kl_mgmt_tx, 3391ae32c30aSJouni Malinen .mgmt_frame_register = ath6kl_mgmt_frame_register, 339210509f90SKalle Valo .sched_scan_start = ath6kl_cfg80211_sscan_start, 339310509f90SKalle Valo .sched_scan_stop = ath6kl_cfg80211_sscan_stop, 339406e360acSBala Shanmugam .set_bitrate_mask = ath6kl_cfg80211_set_bitrate, 3395bdcd8170SKalle Valo }; 3396bdcd8170SKalle Valo 33977125f01dSKalle Valo void ath6kl_cfg80211_stop(struct ath6kl_vif *vif) 3398ec4b7f60SKalle Valo { 339910509f90SKalle Valo ath6kl_cfg80211_sscan_disable(vif); 340010509f90SKalle Valo 3401ec4b7f60SKalle Valo switch (vif->sme_state) { 3402c97a31b0SKalle Valo case SME_DISCONNECTED: 3403c97a31b0SKalle Valo break; 3404ec4b7f60SKalle Valo case SME_CONNECTING: 3405ec4b7f60SKalle Valo cfg80211_connect_result(vif->ndev, vif->bssid, NULL, 0, 3406ec4b7f60SKalle Valo NULL, 0, 3407ec4b7f60SKalle Valo WLAN_STATUS_UNSPECIFIED_FAILURE, 3408ec4b7f60SKalle Valo GFP_KERNEL); 3409ec4b7f60SKalle Valo break; 3410ec4b7f60SKalle Valo case SME_CONNECTED: 3411ec4b7f60SKalle Valo cfg80211_disconnected(vif->ndev, 0, NULL, 0, GFP_KERNEL); 3412ec4b7f60SKalle Valo break; 3413ec4b7f60SKalle Valo } 3414ec4b7f60SKalle Valo 3415ec4b7f60SKalle Valo if (test_bit(CONNECTED, &vif->flags) || 3416ec4b7f60SKalle Valo test_bit(CONNECT_PEND, &vif->flags)) 34177125f01dSKalle Valo ath6kl_wmi_disconnect_cmd(vif->ar->wmi, vif->fw_vif_idx); 3418ec4b7f60SKalle Valo 3419ec4b7f60SKalle Valo vif->sme_state = SME_DISCONNECTED; 34201f405255SKalle Valo clear_bit(CONNECTED, &vif->flags); 34211f405255SKalle Valo clear_bit(CONNECT_PEND, &vif->flags); 3422ec4b7f60SKalle Valo 3423ec4b7f60SKalle Valo /* disable scanning */ 34247125f01dSKalle Valo if (ath6kl_wmi_scanparams_cmd(vif->ar->wmi, vif->fw_vif_idx, 0xFFFF, 34257125f01dSKalle Valo 0, 0, 0, 0, 0, 0, 0, 0, 0) != 0) 34267125f01dSKalle Valo ath6kl_warn("failed to disable scan during stop\n"); 3427ec4b7f60SKalle Valo 3428ec4b7f60SKalle Valo ath6kl_cfg80211_scan_complete_event(vif, true); 3429ec4b7f60SKalle Valo } 3430ec4b7f60SKalle Valo 34317125f01dSKalle Valo void ath6kl_cfg80211_stop_all(struct ath6kl *ar) 34327125f01dSKalle Valo { 34337125f01dSKalle Valo struct ath6kl_vif *vif; 34347125f01dSKalle Valo 34357125f01dSKalle Valo vif = ath6kl_vif_first(ar); 34367125f01dSKalle Valo if (!vif) { 34377125f01dSKalle Valo /* save the current power mode before enabling power save */ 34387125f01dSKalle Valo ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode; 34397125f01dSKalle Valo 34407125f01dSKalle Valo if (ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER) != 0) 3441cdeb8602SKalle Valo ath6kl_warn("ath6kl_deep_sleep_enable: wmi_powermode_cmd failed\n"); 34427125f01dSKalle Valo return; 34437125f01dSKalle Valo } 34447125f01dSKalle Valo 34457125f01dSKalle Valo /* 34467125f01dSKalle Valo * FIXME: we should take ar->list_lock to protect changes in the 34477125f01dSKalle Valo * vif_list, but that's not trivial to do as ath6kl_cfg80211_stop() 34487125f01dSKalle Valo * sleeps. 34497125f01dSKalle Valo */ 34507125f01dSKalle Valo list_for_each_entry(vif, &ar->vif_list, list) 34517125f01dSKalle Valo ath6kl_cfg80211_stop(vif); 34527125f01dSKalle Valo } 34537125f01dSKalle Valo 3454c25889e8SKalle Valo static int ath6kl_cfg80211_vif_init(struct ath6kl_vif *vif) 34558dafb70eSVasanthakumar Thiagarajan { 34567baef812SVasanthakumar Thiagarajan vif->aggr_cntxt = aggr_init(vif); 34572132c69cSVasanthakumar Thiagarajan if (!vif->aggr_cntxt) { 34588dafb70eSVasanthakumar Thiagarajan ath6kl_err("failed to initialize aggr\n"); 34598dafb70eSVasanthakumar Thiagarajan return -ENOMEM; 34608dafb70eSVasanthakumar Thiagarajan } 34618dafb70eSVasanthakumar Thiagarajan 3462de3ad713SVasanthakumar Thiagarajan setup_timer(&vif->disconnect_timer, disconnect_timer_handler, 3463108438bcSVasanthakumar Thiagarajan (unsigned long) vif->ndev); 346410509f90SKalle Valo setup_timer(&vif->sched_scan_timer, ath6kl_wmi_sscan_timer, 346510509f90SKalle Valo (unsigned long) vif); 346610509f90SKalle Valo 3467de3ad713SVasanthakumar Thiagarajan set_bit(WMM_ENABLED, &vif->flags); 3468478ac027SVasanthakumar Thiagarajan spin_lock_init(&vif->if_lock); 34698dafb70eSVasanthakumar Thiagarajan 347080abaf9bSVasanthakumar Thiagarajan INIT_LIST_HEAD(&vif->mc_filter); 347180abaf9bSVasanthakumar Thiagarajan 34728dafb70eSVasanthakumar Thiagarajan return 0; 34738dafb70eSVasanthakumar Thiagarajan } 34748dafb70eSVasanthakumar Thiagarajan 3475c25889e8SKalle Valo void ath6kl_cfg80211_vif_cleanup(struct ath6kl_vif *vif) 34768dafb70eSVasanthakumar Thiagarajan { 347755055976SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 347880abaf9bSVasanthakumar Thiagarajan struct ath6kl_mc_filter *mc_filter, *tmp; 347955055976SVasanthakumar Thiagarajan 34802132c69cSVasanthakumar Thiagarajan aggr_module_destroy(vif->aggr_cntxt); 3481108438bcSVasanthakumar Thiagarajan 348255055976SVasanthakumar Thiagarajan ar->avail_idx_map |= BIT(vif->fw_vif_idx); 348355055976SVasanthakumar Thiagarajan 348455055976SVasanthakumar Thiagarajan if (vif->nw_type == ADHOC_NETWORK) 348555055976SVasanthakumar Thiagarajan ar->ibss_if_active = false; 348655055976SVasanthakumar Thiagarajan 348780abaf9bSVasanthakumar Thiagarajan list_for_each_entry_safe(mc_filter, tmp, &vif->mc_filter, list) { 348880abaf9bSVasanthakumar Thiagarajan list_del(&mc_filter->list); 348980abaf9bSVasanthakumar Thiagarajan kfree(mc_filter); 349080abaf9bSVasanthakumar Thiagarajan } 349180abaf9bSVasanthakumar Thiagarajan 349227929723SVasanthakumar Thiagarajan unregister_netdevice(vif->ndev); 349355055976SVasanthakumar Thiagarajan 349455055976SVasanthakumar Thiagarajan ar->num_vif--; 34958dafb70eSVasanthakumar Thiagarajan } 34968dafb70eSVasanthakumar Thiagarajan 3497552bff0cSJohannes Berg struct wireless_dev *ath6kl_interface_add(struct ath6kl *ar, const char *name, 349884efbb84SJohannes Berg enum nl80211_iftype type, 349984efbb84SJohannes Berg u8 fw_vif_idx, u8 nw_type) 35008dafb70eSVasanthakumar Thiagarajan { 35018dafb70eSVasanthakumar Thiagarajan struct net_device *ndev; 3502108438bcSVasanthakumar Thiagarajan struct ath6kl_vif *vif; 35038dafb70eSVasanthakumar Thiagarajan 350455055976SVasanthakumar Thiagarajan ndev = alloc_netdev(sizeof(*vif), name, ether_setup); 35058dafb70eSVasanthakumar Thiagarajan if (!ndev) 35068dafb70eSVasanthakumar Thiagarajan return NULL; 35078dafb70eSVasanthakumar Thiagarajan 3508108438bcSVasanthakumar Thiagarajan vif = netdev_priv(ndev); 3509108438bcSVasanthakumar Thiagarajan ndev->ieee80211_ptr = &vif->wdev; 3510108438bcSVasanthakumar Thiagarajan vif->wdev.wiphy = ar->wiphy; 3511108438bcSVasanthakumar Thiagarajan vif->ar = ar; 3512108438bcSVasanthakumar Thiagarajan vif->ndev = ndev; 3513108438bcSVasanthakumar Thiagarajan SET_NETDEV_DEV(ndev, wiphy_dev(vif->wdev.wiphy)); 3514108438bcSVasanthakumar Thiagarajan vif->wdev.netdev = ndev; 3515108438bcSVasanthakumar Thiagarajan vif->wdev.iftype = type; 3516334234b5SVasanthakumar Thiagarajan vif->fw_vif_idx = fw_vif_idx; 3517d0d670abSKalle Valo vif->nw_type = nw_type; 3518d0d670abSKalle Valo vif->next_mode = nw_type; 35198f46fccdSRaja Mani vif->listen_intvl_t = ATH6KL_DEFAULT_LISTEN_INTVAL; 3520ce0dc0cfSRaja Mani vif->bmiss_time_t = ATH6KL_DEFAULT_BMISS_TIME; 3521eb38987eSRaja Mani vif->bg_scan_period = 0; 352267b3f129SKiran Reddy vif->htcap[IEEE80211_BAND_2GHZ].ht_enable = true; 352367b3f129SKiran Reddy vif->htcap[IEEE80211_BAND_5GHZ].ht_enable = true; 35248dafb70eSVasanthakumar Thiagarajan 352555055976SVasanthakumar Thiagarajan memcpy(ndev->dev_addr, ar->mac_addr, ETH_ALEN); 352655055976SVasanthakumar Thiagarajan if (fw_vif_idx != 0) 352755055976SVasanthakumar Thiagarajan ndev->dev_addr[0] = (ndev->dev_addr[0] ^ (1 << fw_vif_idx)) | 352855055976SVasanthakumar Thiagarajan 0x2; 352955055976SVasanthakumar Thiagarajan 35308dafb70eSVasanthakumar Thiagarajan init_netdev(ndev); 35318dafb70eSVasanthakumar Thiagarajan 3532e29f25f5SVasanthakumar Thiagarajan ath6kl_init_control_info(vif); 35338dafb70eSVasanthakumar Thiagarajan 3534c25889e8SKalle Valo if (ath6kl_cfg80211_vif_init(vif)) 35358dafb70eSVasanthakumar Thiagarajan goto err; 35368dafb70eSVasanthakumar Thiagarajan 353727929723SVasanthakumar Thiagarajan if (register_netdevice(ndev)) 35388dafb70eSVasanthakumar Thiagarajan goto err; 35398dafb70eSVasanthakumar Thiagarajan 354055055976SVasanthakumar Thiagarajan ar->avail_idx_map &= ~BIT(fw_vif_idx); 354114ee6f6bSVasanthakumar Thiagarajan vif->sme_state = SME_DISCONNECTED; 354259c98449SVasanthakumar Thiagarajan set_bit(WLAN_ENABLED, &vif->flags); 35438dafb70eSVasanthakumar Thiagarajan ar->wlan_pwr_state = WLAN_POWER_STATE_ON; 354459c98449SVasanthakumar Thiagarajan set_bit(NETDEV_REGISTERED, &vif->flags); 35458dafb70eSVasanthakumar Thiagarajan 354655055976SVasanthakumar Thiagarajan if (type == NL80211_IFTYPE_ADHOC) 354755055976SVasanthakumar Thiagarajan ar->ibss_if_active = true; 354855055976SVasanthakumar Thiagarajan 354911f6e40dSVasanthakumar Thiagarajan spin_lock_bh(&ar->list_lock); 3550990bd915SVasanthakumar Thiagarajan list_add_tail(&vif->list, &ar->vif_list); 355111f6e40dSVasanthakumar Thiagarajan spin_unlock_bh(&ar->list_lock); 3552990bd915SVasanthakumar Thiagarajan 355384efbb84SJohannes Berg return &vif->wdev; 35548dafb70eSVasanthakumar Thiagarajan 35558dafb70eSVasanthakumar Thiagarajan err: 355627929723SVasanthakumar Thiagarajan aggr_module_destroy(vif->aggr_cntxt); 355727929723SVasanthakumar Thiagarajan free_netdev(ndev); 3558bdcd8170SKalle Valo return NULL; 3559bdcd8170SKalle Valo } 3560bdcd8170SKalle Valo 356146d33a21SKalle Valo int ath6kl_cfg80211_init(struct ath6kl *ar) 356246d33a21SKalle Valo { 356346d33a21SKalle Valo struct wiphy *wiphy = ar->wiphy; 3564d92917e4SThomas Pedersen bool band_2gig = false, band_5gig = false, ht = false; 356546d33a21SKalle Valo int ret; 356646d33a21SKalle Valo 356746d33a21SKalle Valo wiphy->mgmt_stypes = ath6kl_mgmt_stypes; 356846d33a21SKalle Valo 356946d33a21SKalle Valo wiphy->max_remain_on_channel_duration = 5000; 357046d33a21SKalle Valo 357146d33a21SKalle Valo /* set device pointer for wiphy */ 357246d33a21SKalle Valo set_wiphy_dev(wiphy, ar->dev); 357346d33a21SKalle Valo 357446d33a21SKalle Valo wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 357546d33a21SKalle Valo BIT(NL80211_IFTYPE_ADHOC) | 357646d33a21SKalle Valo BIT(NL80211_IFTYPE_AP); 357746d33a21SKalle Valo if (ar->p2p) { 357846d33a21SKalle Valo wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_GO) | 357946d33a21SKalle Valo BIT(NL80211_IFTYPE_P2P_CLIENT); 358046d33a21SKalle Valo } 358146d33a21SKalle Valo 358246d33a21SKalle Valo /* max num of ssids that can be probed during scanning */ 35838ab5415dSJouni Malinen wiphy->max_scan_ssids = MAX_PROBED_SSIDS; 3584dd45b759SNaveen Singh 3585dd45b759SNaveen Singh /* max num of ssids that can be matched after scan */ 3586dd45b759SNaveen Singh if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_MATCH_LIST, 3587dd45b759SNaveen Singh ar->fw_capabilities)) 3588dd45b759SNaveen Singh wiphy->max_match_sets = MAX_PROBED_SSIDS; 3589dd45b759SNaveen Singh 359046d33a21SKalle Valo wiphy->max_scan_ie_len = 1000; /* FIX: what is correct limit? */ 3591d92917e4SThomas Pedersen switch (ar->hw.cap) { 3592d92917e4SThomas Pedersen case WMI_11AN_CAP: 3593d92917e4SThomas Pedersen ht = true; 3594d92917e4SThomas Pedersen case WMI_11A_CAP: 3595d92917e4SThomas Pedersen band_5gig = true; 3596d92917e4SThomas Pedersen break; 3597d92917e4SThomas Pedersen case WMI_11GN_CAP: 3598d92917e4SThomas Pedersen ht = true; 3599d92917e4SThomas Pedersen case WMI_11G_CAP: 3600d92917e4SThomas Pedersen band_2gig = true; 3601d92917e4SThomas Pedersen break; 3602d92917e4SThomas Pedersen case WMI_11AGN_CAP: 3603d92917e4SThomas Pedersen ht = true; 3604d92917e4SThomas Pedersen case WMI_11AG_CAP: 3605d92917e4SThomas Pedersen band_2gig = true; 3606d92917e4SThomas Pedersen band_5gig = true; 3607d92917e4SThomas Pedersen break; 3608d92917e4SThomas Pedersen default: 3609d92917e4SThomas Pedersen ath6kl_err("invalid phy capability!\n"); 3610d92917e4SThomas Pedersen return -EINVAL; 3611d92917e4SThomas Pedersen } 3612d92917e4SThomas Pedersen 36137fd1ce7eSVasanthakumar Thiagarajan /* 36147fd1ce7eSVasanthakumar Thiagarajan * Even if the fw has HT support, advertise HT cap only when 36157fd1ce7eSVasanthakumar Thiagarajan * the firmware has support to override RSN capability, otherwise 36167fd1ce7eSVasanthakumar Thiagarajan * 4-way handshake would fail. 36177fd1ce7eSVasanthakumar Thiagarajan */ 36187fd1ce7eSVasanthakumar Thiagarajan if (!(ht && 36197fd1ce7eSVasanthakumar Thiagarajan test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE, 36207fd1ce7eSVasanthakumar Thiagarajan ar->fw_capabilities))) { 3621d92917e4SThomas Pedersen ath6kl_band_2ghz.ht_cap.cap = 0; 3622d92917e4SThomas Pedersen ath6kl_band_2ghz.ht_cap.ht_supported = false; 3623d92917e4SThomas Pedersen ath6kl_band_5ghz.ht_cap.cap = 0; 3624d92917e4SThomas Pedersen ath6kl_band_5ghz.ht_cap.ht_supported = false; 3625d92917e4SThomas Pedersen } 362606e360acSBala Shanmugam 362706e360acSBala Shanmugam if (ar->hw.flags & ATH6KL_HW_FLAG_64BIT_RATES) { 362806e360acSBala Shanmugam ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff; 362906e360acSBala Shanmugam ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff; 363006e360acSBala Shanmugam ath6kl_band_2ghz.ht_cap.mcs.rx_mask[1] = 0xff; 363106e360acSBala Shanmugam ath6kl_band_5ghz.ht_cap.mcs.rx_mask[1] = 0xff; 363206e360acSBala Shanmugam } else { 363306e360acSBala Shanmugam ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff; 363406e360acSBala Shanmugam ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff; 363506e360acSBala Shanmugam } 363606e360acSBala Shanmugam 3637d92917e4SThomas Pedersen if (band_2gig) 363846d33a21SKalle Valo wiphy->bands[IEEE80211_BAND_2GHZ] = &ath6kl_band_2ghz; 3639d92917e4SThomas Pedersen if (band_5gig) 364046d33a21SKalle Valo wiphy->bands[IEEE80211_BAND_5GHZ] = &ath6kl_band_5ghz; 3641d92917e4SThomas Pedersen 364246d33a21SKalle Valo wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; 364346d33a21SKalle Valo 364446d33a21SKalle Valo wiphy->cipher_suites = cipher_suites; 364546d33a21SKalle Valo wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); 364646d33a21SKalle Valo 3647dfb89c56SJohannes Berg #ifdef CONFIG_PM 364846d33a21SKalle Valo wiphy->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT | 364946d33a21SKalle Valo WIPHY_WOWLAN_DISCONNECT | 365046d33a21SKalle Valo WIPHY_WOWLAN_GTK_REKEY_FAILURE | 365146d33a21SKalle Valo WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | 365246d33a21SKalle Valo WIPHY_WOWLAN_EAP_IDENTITY_REQ | 365346d33a21SKalle Valo WIPHY_WOWLAN_4WAY_HANDSHAKE; 365446d33a21SKalle Valo wiphy->wowlan.n_patterns = WOW_MAX_FILTERS_PER_LIST; 365546d33a21SKalle Valo wiphy->wowlan.pattern_min_len = 1; 365646d33a21SKalle Valo wiphy->wowlan.pattern_max_len = WOW_PATTERN_SIZE; 3657dfb89c56SJohannes Berg #endif 365846d33a21SKalle Valo 36598ab5415dSJouni Malinen wiphy->max_sched_scan_ssids = MAX_PROBED_SSIDS; 366046d33a21SKalle Valo 3661f2afdac7SVasanthakumar Thiagarajan ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM | 3662f2afdac7SVasanthakumar Thiagarajan WIPHY_FLAG_HAVE_AP_SME | 3663f2afdac7SVasanthakumar Thiagarajan WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | 3664f2afdac7SVasanthakumar Thiagarajan WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD; 3665f2afdac7SVasanthakumar Thiagarajan 3666f2afdac7SVasanthakumar Thiagarajan if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN, ar->fw_capabilities)) 3667f2afdac7SVasanthakumar Thiagarajan ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN; 3668f2afdac7SVasanthakumar Thiagarajan 366903bdeb0dSVasanthakumar Thiagarajan if (test_bit(ATH6KL_FW_CAPABILITY_INACTIVITY_TIMEOUT, 367003bdeb0dSVasanthakumar Thiagarajan ar->fw_capabilities)) 3671b292219fSJohannes Berg ar->wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER; 367203bdeb0dSVasanthakumar Thiagarajan 3673f2afdac7SVasanthakumar Thiagarajan ar->wiphy->probe_resp_offload = 3674f2afdac7SVasanthakumar Thiagarajan NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | 3675f2afdac7SVasanthakumar Thiagarajan NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | 3676a432e7ccSJouni Malinen NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; 3677f2afdac7SVasanthakumar Thiagarajan 367846d33a21SKalle Valo ret = wiphy_register(wiphy); 367946d33a21SKalle Valo if (ret < 0) { 368046d33a21SKalle Valo ath6kl_err("couldn't register wiphy device\n"); 368146d33a21SKalle Valo return ret; 368246d33a21SKalle Valo } 368346d33a21SKalle Valo 3684e5348a1eSVasanthakumar Thiagarajan ar->wiphy_registered = true; 3685e5348a1eSVasanthakumar Thiagarajan 368646d33a21SKalle Valo return 0; 368746d33a21SKalle Valo } 368846d33a21SKalle Valo 368946d33a21SKalle Valo void ath6kl_cfg80211_cleanup(struct ath6kl *ar) 3690bdcd8170SKalle Valo { 3691be98e3a4SVasanthakumar Thiagarajan wiphy_unregister(ar->wiphy); 3692e5348a1eSVasanthakumar Thiagarajan 3693e5348a1eSVasanthakumar Thiagarajan ar->wiphy_registered = false; 369445eaa78fSKalle Valo } 369546d33a21SKalle Valo 369645eaa78fSKalle Valo struct ath6kl *ath6kl_cfg80211_create(void) 369745eaa78fSKalle Valo { 369845eaa78fSKalle Valo struct ath6kl *ar; 369945eaa78fSKalle Valo struct wiphy *wiphy; 370045eaa78fSKalle Valo 370145eaa78fSKalle Valo /* create a new wiphy for use with cfg80211 */ 370245eaa78fSKalle Valo wiphy = wiphy_new(&ath6kl_cfg80211_ops, sizeof(struct ath6kl)); 370345eaa78fSKalle Valo 370445eaa78fSKalle Valo if (!wiphy) { 370545eaa78fSKalle Valo ath6kl_err("couldn't allocate wiphy device\n"); 370645eaa78fSKalle Valo return NULL; 370745eaa78fSKalle Valo } 370845eaa78fSKalle Valo 370945eaa78fSKalle Valo ar = wiphy_priv(wiphy); 371045eaa78fSKalle Valo ar->wiphy = wiphy; 371145eaa78fSKalle Valo 371245eaa78fSKalle Valo return ar; 371345eaa78fSKalle Valo } 371445eaa78fSKalle Valo 371545eaa78fSKalle Valo /* Note: ar variable must not be accessed after calling this! */ 371645eaa78fSKalle Valo void ath6kl_cfg80211_destroy(struct ath6kl *ar) 371745eaa78fSKalle Valo { 37181d2a4456SVasanthakumar Thiagarajan int i; 37191d2a4456SVasanthakumar Thiagarajan 37201d2a4456SVasanthakumar Thiagarajan for (i = 0; i < AP_MAX_NUM_STA; i++) 37211d2a4456SVasanthakumar Thiagarajan kfree(ar->sta_list[i].aggr_conn); 37221d2a4456SVasanthakumar Thiagarajan 3723be98e3a4SVasanthakumar Thiagarajan wiphy_free(ar->wiphy); 3724bdcd8170SKalle Valo } 372545eaa78fSKalle Valo 3726