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 ret = ath6kl_wmi_beginscan_cmd(ar->wmi, vif->fw_vif_idx, 10353ca9d1fcSAarthi Thiruvengadam WMI_LONG_SCAN, force_fg_scan, 103613423c31SVasanthakumar Thiagarajan false, 0, 103713423c31SVasanthakumar Thiagarajan ATH6KL_FG_SCAN_INTERVAL, 103813423c31SVasanthakumar Thiagarajan n_channels, channels, 103913423c31SVasanthakumar Thiagarajan request->no_cck, 10403ca9d1fcSAarthi Thiruvengadam request->rates); 10415b35dff0SRaja Mani if (ret) { 104211f0bfcfSKalle Valo ath6kl_err("failed to start scan: %d\n", ret); 10435b35dff0SRaja Mani vif->scan_req = NULL; 10445b35dff0SRaja Mani } 1045bdcd8170SKalle Valo 10461276c9efSEdward Lu kfree(channels); 10471276c9efSEdward Lu 1048bdcd8170SKalle Valo return ret; 1049bdcd8170SKalle Valo } 1050bdcd8170SKalle Valo 10511c17d313SKalle Valo void ath6kl_cfg80211_scan_complete_event(struct ath6kl_vif *vif, bool aborted) 1052bdcd8170SKalle Valo { 1053240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 10546fd1eaceSKalle Valo int i; 1055bdcd8170SKalle Valo 10561c17d313SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: status%s\n", __func__, 10571c17d313SKalle Valo aborted ? " aborted" : ""); 1058bdcd8170SKalle Valo 105914ee6f6bSVasanthakumar Thiagarajan if (!vif->scan_req) 10606fd1eaceSKalle Valo return; 10616fd1eaceSKalle Valo 10621c17d313SKalle Valo if (aborted) 10636fd1eaceSKalle Valo goto out; 1064bdcd8170SKalle Valo 106514ee6f6bSVasanthakumar Thiagarajan if (vif->scan_req->n_ssids && vif->scan_req->ssids[0].ssid_len) { 106614ee6f6bSVasanthakumar Thiagarajan for (i = 0; i < vif->scan_req->n_ssids; i++) { 1067334234b5SVasanthakumar Thiagarajan ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, 1068334234b5SVasanthakumar Thiagarajan i + 1, DISABLE_SSID_FLAG, 1069bdcd8170SKalle Valo 0, NULL); 1070bdcd8170SKalle Valo } 1071bdcd8170SKalle Valo } 10726fd1eaceSKalle Valo 10736fd1eaceSKalle Valo out: 1074cb93821aSKalle Valo cfg80211_scan_done(vif->scan_req, aborted); 107514ee6f6bSVasanthakumar Thiagarajan vif->scan_req = NULL; 1076bdcd8170SKalle Valo } 1077bdcd8170SKalle Valo 1078c4f7863eSThomas Pedersen void ath6kl_cfg80211_ch_switch_notify(struct ath6kl_vif *vif, int freq, 1079c4f7863eSThomas Pedersen enum wmi_phy_mode mode) 1080c4f7863eSThomas Pedersen { 1081c4f7863eSThomas Pedersen enum nl80211_channel_type type; 1082c4f7863eSThomas Pedersen 1083c4f7863eSThomas Pedersen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1084c4f7863eSThomas Pedersen "channel switch notify nw_type %d freq %d mode %d\n", 1085c4f7863eSThomas Pedersen vif->nw_type, freq, mode); 1086c4f7863eSThomas Pedersen 1087c4f7863eSThomas Pedersen type = (mode == WMI_11G_HT20) ? NL80211_CHAN_HT20 : NL80211_CHAN_NO_HT; 1088c4f7863eSThomas Pedersen 1089c4f7863eSThomas Pedersen cfg80211_ch_switch_notify(vif->ndev, freq, type); 1090c4f7863eSThomas Pedersen } 1091c4f7863eSThomas Pedersen 1092bdcd8170SKalle Valo static int ath6kl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev, 1093bdcd8170SKalle Valo u8 key_index, bool pairwise, 1094bdcd8170SKalle Valo const u8 *mac_addr, 1095bdcd8170SKalle Valo struct key_params *params) 1096bdcd8170SKalle Valo { 1097d6d5c06cSKalle Valo struct ath6kl *ar = ath6kl_priv(ndev); 109859c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 1099bdcd8170SKalle Valo struct ath6kl_key *key = NULL; 11004a8ce2fdSSujith Manoharan int seq_len; 1101bdcd8170SKalle Valo u8 key_usage; 1102bdcd8170SKalle Valo u8 key_type; 1103bdcd8170SKalle Valo 1104990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1105bdcd8170SKalle Valo return -EIO; 1106bdcd8170SKalle Valo 1107837cb97eSJouni Malinen if (params->cipher == CCKM_KRK_CIPHER_SUITE) { 1108837cb97eSJouni Malinen if (params->key_len != WMI_KRK_LEN) 1109837cb97eSJouni Malinen return -EINVAL; 1110240d2799SVasanthakumar Thiagarajan return ath6kl_wmi_add_krk_cmd(ar->wmi, vif->fw_vif_idx, 1111240d2799SVasanthakumar Thiagarajan params->key); 1112837cb97eSJouni Malinen } 1113837cb97eSJouni Malinen 1114792ecb33SVivek Natarajan if (key_index > WMI_MAX_KEY_INDEX) { 1115bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1116bdcd8170SKalle Valo "%s: key index %d out of bounds\n", __func__, 1117bdcd8170SKalle Valo key_index); 1118bdcd8170SKalle Valo return -ENOENT; 1119bdcd8170SKalle Valo } 1120bdcd8170SKalle Valo 11216f2a73f9SVasanthakumar Thiagarajan key = &vif->keys[key_index]; 1122bdcd8170SKalle Valo memset(key, 0, sizeof(struct ath6kl_key)); 1123bdcd8170SKalle Valo 1124bdcd8170SKalle Valo if (pairwise) 1125bdcd8170SKalle Valo key_usage = PAIRWISE_USAGE; 1126bdcd8170SKalle Valo else 1127bdcd8170SKalle Valo key_usage = GROUP_USAGE; 1128bdcd8170SKalle Valo 11294a8ce2fdSSujith Manoharan seq_len = params->seq_len; 11305e07021eSDai Shuibing if (params->cipher == WLAN_CIPHER_SUITE_SMS4 && 11315e07021eSDai Shuibing seq_len > ATH6KL_KEY_SEQ_LEN) { 11325e07021eSDai Shuibing /* Only first half of the WPI PN is configured */ 11335e07021eSDai Shuibing seq_len = ATH6KL_KEY_SEQ_LEN; 11345e07021eSDai Shuibing } 1135bdcd8170SKalle Valo if (params->key_len > WLAN_MAX_KEY_LEN || 11365e07021eSDai Shuibing seq_len > sizeof(key->seq)) 1137bdcd8170SKalle Valo return -EINVAL; 1138bdcd8170SKalle Valo 1139bdcd8170SKalle Valo key->key_len = params->key_len; 1140bdcd8170SKalle Valo memcpy(key->key, params->key, key->key_len); 11415e07021eSDai Shuibing key->seq_len = seq_len; 1142bdcd8170SKalle Valo memcpy(key->seq, params->seq, key->seq_len); 1143bdcd8170SKalle Valo key->cipher = params->cipher; 1144bdcd8170SKalle Valo 1145bdcd8170SKalle Valo switch (key->cipher) { 1146bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_WEP40: 1147bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_WEP104: 1148bdcd8170SKalle Valo key_type = WEP_CRYPT; 1149bdcd8170SKalle Valo break; 1150bdcd8170SKalle Valo 1151bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_TKIP: 1152bdcd8170SKalle Valo key_type = TKIP_CRYPT; 1153bdcd8170SKalle Valo break; 1154bdcd8170SKalle Valo 1155bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_CCMP: 1156bdcd8170SKalle Valo key_type = AES_CRYPT; 1157bdcd8170SKalle Valo break; 11585e07021eSDai Shuibing case WLAN_CIPHER_SUITE_SMS4: 11595e07021eSDai Shuibing key_type = WAPI_CRYPT; 11605e07021eSDai Shuibing break; 1161bdcd8170SKalle Valo 1162bdcd8170SKalle Valo default: 1163bdcd8170SKalle Valo return -ENOTSUPP; 1164bdcd8170SKalle Valo } 1165bdcd8170SKalle Valo 1166ddc3d77cSKalle Valo if (((vif->auth_mode == WPA_PSK_AUTH) || 1167ddc3d77cSKalle Valo (vif->auth_mode == WPA2_PSK_AUTH)) && 1168ddc3d77cSKalle Valo (key_usage & GROUP_USAGE)) 1169de3ad713SVasanthakumar Thiagarajan del_timer(&vif->disconnect_timer); 1170bdcd8170SKalle Valo 1171bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1172bdcd8170SKalle Valo "%s: index %d, key_len %d, key_type 0x%x, key_usage 0x%x, seq_len %d\n", 1173bdcd8170SKalle Valo __func__, key_index, key->key_len, key_type, 1174bdcd8170SKalle Valo key_usage, key->seq_len); 1175bdcd8170SKalle Valo 1176f5938f24SVasanthakumar Thiagarajan if (vif->nw_type == AP_NETWORK && !pairwise && 11774703290aSJouni Malinen (key_type == TKIP_CRYPT || key_type == AES_CRYPT || 1178cc4d623dSVasanthakumar Thiagarajan key_type == WAPI_CRYPT)) { 11799a5b1318SJouni Malinen ar->ap_mode_bkey.valid = true; 11809a5b1318SJouni Malinen ar->ap_mode_bkey.key_index = key_index; 11819a5b1318SJouni Malinen ar->ap_mode_bkey.key_type = key_type; 11829a5b1318SJouni Malinen ar->ap_mode_bkey.key_len = key->key_len; 11839a5b1318SJouni Malinen memcpy(ar->ap_mode_bkey.key, key->key, key->key_len); 118459c98449SVasanthakumar Thiagarajan if (!test_bit(CONNECTED, &vif->flags)) { 1185cdeb8602SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1186cdeb8602SKalle Valo "Delay initial group key configuration until AP mode has been started\n"); 11879a5b1318SJouni Malinen /* 11889a5b1318SJouni Malinen * The key will be set in ath6kl_connect_ap_mode() once 11899a5b1318SJouni Malinen * the connected event is received from the target. 11909a5b1318SJouni Malinen */ 11919a5b1318SJouni Malinen return 0; 11929a5b1318SJouni Malinen } 11939a5b1318SJouni Malinen } 11949a5b1318SJouni Malinen 1195f5938f24SVasanthakumar Thiagarajan if (vif->next_mode == AP_NETWORK && key_type == WEP_CRYPT && 119659c98449SVasanthakumar Thiagarajan !test_bit(CONNECTED, &vif->flags)) { 1197151411e8SJouni Malinen /* 1198151411e8SJouni Malinen * Store the key locally so that it can be re-configured after 1199151411e8SJouni Malinen * the AP mode has properly started 1200151411e8SJouni Malinen * (ath6kl_install_statioc_wep_keys). 1201151411e8SJouni Malinen */ 1202cdeb8602SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1203cdeb8602SKalle Valo "Delay WEP key configuration until AP mode has been started\n"); 12046f2a73f9SVasanthakumar Thiagarajan vif->wep_key_list[key_index].key_len = key->key_len; 12056f2a73f9SVasanthakumar Thiagarajan memcpy(vif->wep_key_list[key_index].key, key->key, 12066f2a73f9SVasanthakumar Thiagarajan key->key_len); 1207151411e8SJouni Malinen return 0; 1208151411e8SJouni Malinen } 1209151411e8SJouni Malinen 12107cefa44fSVasanthakumar Thiagarajan return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, key_index, 1211bdcd8170SKalle Valo key_type, key_usage, key->key_len, 1212f4bb9a6fSJouni Malinen key->seq, key->seq_len, key->key, 1213f4bb9a6fSJouni Malinen KEY_OP_INIT_VAL, 1214bdcd8170SKalle Valo (u8 *) mac_addr, SYNC_BOTH_WMIFLAG); 1215bdcd8170SKalle Valo } 1216bdcd8170SKalle Valo 1217bdcd8170SKalle Valo static int ath6kl_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev, 1218bdcd8170SKalle Valo u8 key_index, bool pairwise, 1219bdcd8170SKalle Valo const u8 *mac_addr) 1220bdcd8170SKalle Valo { 1221d6d5c06cSKalle Valo struct ath6kl *ar = ath6kl_priv(ndev); 12226f2a73f9SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 1223bdcd8170SKalle Valo 1224bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index); 1225bdcd8170SKalle Valo 1226990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1227bdcd8170SKalle Valo return -EIO; 1228bdcd8170SKalle Valo 1229792ecb33SVivek Natarajan if (key_index > WMI_MAX_KEY_INDEX) { 1230bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1231bdcd8170SKalle Valo "%s: key index %d out of bounds\n", __func__, 1232bdcd8170SKalle Valo key_index); 1233bdcd8170SKalle Valo return -ENOENT; 1234bdcd8170SKalle Valo } 1235bdcd8170SKalle Valo 12366f2a73f9SVasanthakumar Thiagarajan if (!vif->keys[key_index].key_len) { 1237bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1238bdcd8170SKalle Valo "%s: index %d is empty\n", __func__, key_index); 1239bdcd8170SKalle Valo return 0; 1240bdcd8170SKalle Valo } 1241bdcd8170SKalle Valo 12426f2a73f9SVasanthakumar Thiagarajan vif->keys[key_index].key_len = 0; 1243bdcd8170SKalle Valo 1244334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_deletekey_cmd(ar->wmi, vif->fw_vif_idx, key_index); 1245bdcd8170SKalle Valo } 1246bdcd8170SKalle Valo 1247bdcd8170SKalle Valo static int ath6kl_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev, 1248bdcd8170SKalle Valo u8 key_index, bool pairwise, 1249bdcd8170SKalle Valo const u8 *mac_addr, void *cookie, 1250bdcd8170SKalle Valo void (*callback) (void *cookie, 1251bdcd8170SKalle Valo struct key_params *)) 1252bdcd8170SKalle Valo { 12536f2a73f9SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 1254bdcd8170SKalle Valo struct ath6kl_key *key = NULL; 1255bdcd8170SKalle Valo struct key_params params; 1256bdcd8170SKalle Valo 1257bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index); 1258bdcd8170SKalle Valo 1259990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1260bdcd8170SKalle Valo return -EIO; 1261bdcd8170SKalle Valo 1262792ecb33SVivek Natarajan if (key_index > WMI_MAX_KEY_INDEX) { 1263bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1264bdcd8170SKalle Valo "%s: key index %d out of bounds\n", __func__, 1265bdcd8170SKalle Valo key_index); 1266bdcd8170SKalle Valo return -ENOENT; 1267bdcd8170SKalle Valo } 1268bdcd8170SKalle Valo 12696f2a73f9SVasanthakumar Thiagarajan key = &vif->keys[key_index]; 1270bdcd8170SKalle Valo memset(¶ms, 0, sizeof(params)); 1271bdcd8170SKalle Valo params.cipher = key->cipher; 1272bdcd8170SKalle Valo params.key_len = key->key_len; 1273bdcd8170SKalle Valo params.seq_len = key->seq_len; 1274bdcd8170SKalle Valo params.seq = key->seq; 1275bdcd8170SKalle Valo params.key = key->key; 1276bdcd8170SKalle Valo 1277bdcd8170SKalle Valo callback(cookie, ¶ms); 1278bdcd8170SKalle Valo 1279bdcd8170SKalle Valo return key->key_len ? 0 : -ENOENT; 1280bdcd8170SKalle Valo } 1281bdcd8170SKalle Valo 1282bdcd8170SKalle Valo static int ath6kl_cfg80211_set_default_key(struct wiphy *wiphy, 1283bdcd8170SKalle Valo struct net_device *ndev, 1284bdcd8170SKalle Valo u8 key_index, bool unicast, 1285bdcd8170SKalle Valo bool multicast) 1286bdcd8170SKalle Valo { 1287d6d5c06cSKalle Valo struct ath6kl *ar = ath6kl_priv(ndev); 128859c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 1289bdcd8170SKalle Valo struct ath6kl_key *key = NULL; 1290bdcd8170SKalle Valo u8 key_usage; 1291229ed6b5SEdward Lu enum crypto_type key_type = NONE_CRYPT; 1292bdcd8170SKalle Valo 1293bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index); 1294bdcd8170SKalle Valo 1295990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1296bdcd8170SKalle Valo return -EIO; 1297bdcd8170SKalle Valo 1298792ecb33SVivek Natarajan if (key_index > WMI_MAX_KEY_INDEX) { 1299bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1300bdcd8170SKalle Valo "%s: key index %d out of bounds\n", 1301bdcd8170SKalle Valo __func__, key_index); 1302bdcd8170SKalle Valo return -ENOENT; 1303bdcd8170SKalle Valo } 1304bdcd8170SKalle Valo 13056f2a73f9SVasanthakumar Thiagarajan if (!vif->keys[key_index].key_len) { 1306bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: invalid key index %d\n", 1307bdcd8170SKalle Valo __func__, key_index); 1308bdcd8170SKalle Valo return -EINVAL; 1309bdcd8170SKalle Valo } 1310bdcd8170SKalle Valo 13113450334fSVasanthakumar Thiagarajan vif->def_txkey_index = key_index; 13126f2a73f9SVasanthakumar Thiagarajan key = &vif->keys[vif->def_txkey_index]; 1313bdcd8170SKalle Valo key_usage = GROUP_USAGE; 13143450334fSVasanthakumar Thiagarajan if (vif->prwise_crypto == WEP_CRYPT) 1315bdcd8170SKalle Valo key_usage |= TX_USAGE; 1316229ed6b5SEdward Lu if (unicast) 13173450334fSVasanthakumar Thiagarajan key_type = vif->prwise_crypto; 1318229ed6b5SEdward Lu if (multicast) 13193450334fSVasanthakumar Thiagarajan key_type = vif->grp_crypto; 1320bdcd8170SKalle Valo 1321f5938f24SVasanthakumar Thiagarajan if (vif->next_mode == AP_NETWORK && !test_bit(CONNECTED, &vif->flags)) 13229a5b1318SJouni Malinen return 0; /* Delay until AP mode has been started */ 13239a5b1318SJouni Malinen 1324f3e61eceSJouni Malinen return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, 1325334234b5SVasanthakumar Thiagarajan vif->def_txkey_index, 1326229ed6b5SEdward Lu key_type, key_usage, 1327f4bb9a6fSJouni Malinen key->key_len, key->seq, key->seq_len, 1328f4bb9a6fSJouni Malinen key->key, 1329bdcd8170SKalle Valo KEY_OP_INIT_VAL, NULL, 1330bdcd8170SKalle Valo SYNC_BOTH_WMIFLAG); 1331bdcd8170SKalle Valo } 1332bdcd8170SKalle Valo 1333240d2799SVasanthakumar Thiagarajan void ath6kl_cfg80211_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid, 1334bdcd8170SKalle Valo bool ismcast) 1335bdcd8170SKalle Valo { 1336bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1337bdcd8170SKalle Valo "%s: keyid %d, ismcast %d\n", __func__, keyid, ismcast); 1338bdcd8170SKalle Valo 1339240d2799SVasanthakumar Thiagarajan cfg80211_michael_mic_failure(vif->ndev, vif->bssid, 1340bdcd8170SKalle Valo (ismcast ? NL80211_KEYTYPE_GROUP : 1341bdcd8170SKalle Valo NL80211_KEYTYPE_PAIRWISE), keyid, NULL, 1342bdcd8170SKalle Valo GFP_KERNEL); 1343bdcd8170SKalle Valo } 1344bdcd8170SKalle Valo 1345bdcd8170SKalle Valo static int ath6kl_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) 1346bdcd8170SKalle Valo { 1347bdcd8170SKalle Valo struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy); 1348990bd915SVasanthakumar Thiagarajan struct ath6kl_vif *vif; 1349bdcd8170SKalle Valo int ret; 1350bdcd8170SKalle Valo 1351bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: changed 0x%x\n", __func__, 1352bdcd8170SKalle Valo changed); 1353bdcd8170SKalle Valo 1354990bd915SVasanthakumar Thiagarajan vif = ath6kl_vif_first(ar); 1355990bd915SVasanthakumar Thiagarajan if (!vif) 1356990bd915SVasanthakumar Thiagarajan return -EIO; 1357990bd915SVasanthakumar Thiagarajan 1358990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1359bdcd8170SKalle Valo return -EIO; 1360bdcd8170SKalle Valo 1361bdcd8170SKalle Valo if (changed & WIPHY_PARAM_RTS_THRESHOLD) { 1362bdcd8170SKalle Valo ret = ath6kl_wmi_set_rts_cmd(ar->wmi, wiphy->rts_threshold); 1363bdcd8170SKalle Valo if (ret != 0) { 1364bdcd8170SKalle Valo ath6kl_err("ath6kl_wmi_set_rts_cmd failed\n"); 1365bdcd8170SKalle Valo return -EIO; 1366bdcd8170SKalle Valo } 1367bdcd8170SKalle Valo } 1368bdcd8170SKalle Valo 1369bdcd8170SKalle Valo return 0; 1370bdcd8170SKalle Valo } 1371bdcd8170SKalle Valo 1372bdcd8170SKalle Valo /* 1373bdcd8170SKalle Valo * The type nl80211_tx_power_setting replaces the following 1374bdcd8170SKalle Valo * data type from 2.6.36 onwards 1375bdcd8170SKalle Valo */ 1376bdcd8170SKalle Valo static int ath6kl_cfg80211_set_txpower(struct wiphy *wiphy, 1377bdcd8170SKalle Valo enum nl80211_tx_power_setting type, 1378b992a285SLuis R. Rodriguez int mbm) 1379bdcd8170SKalle Valo { 1380bdcd8170SKalle Valo struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy); 1381990bd915SVasanthakumar Thiagarajan struct ath6kl_vif *vif; 1382b992a285SLuis R. Rodriguez int dbm = MBM_TO_DBM(mbm); 1383bdcd8170SKalle Valo 1384bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x, dbm %d\n", __func__, 1385bdcd8170SKalle Valo type, dbm); 1386bdcd8170SKalle Valo 1387990bd915SVasanthakumar Thiagarajan vif = ath6kl_vif_first(ar); 1388990bd915SVasanthakumar Thiagarajan if (!vif) 1389990bd915SVasanthakumar Thiagarajan return -EIO; 1390990bd915SVasanthakumar Thiagarajan 1391990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1392bdcd8170SKalle Valo return -EIO; 1393bdcd8170SKalle Valo 1394bdcd8170SKalle Valo switch (type) { 1395bdcd8170SKalle Valo case NL80211_TX_POWER_AUTOMATIC: 1396bdcd8170SKalle Valo return 0; 1397bdcd8170SKalle Valo case NL80211_TX_POWER_LIMITED: 1398d0d670abSKalle Valo ar->tx_pwr = dbm; 1399bdcd8170SKalle Valo break; 1400bdcd8170SKalle Valo default: 1401bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x not supported\n", 1402bdcd8170SKalle Valo __func__, type); 1403bdcd8170SKalle Valo return -EOPNOTSUPP; 1404bdcd8170SKalle Valo } 1405bdcd8170SKalle Valo 1406d0d670abSKalle Valo ath6kl_wmi_set_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx, dbm); 1407bdcd8170SKalle Valo 1408bdcd8170SKalle Valo return 0; 1409bdcd8170SKalle Valo } 1410bdcd8170SKalle Valo 1411bdcd8170SKalle Valo static int ath6kl_cfg80211_get_txpower(struct wiphy *wiphy, int *dbm) 1412bdcd8170SKalle Valo { 1413bdcd8170SKalle Valo struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy); 1414990bd915SVasanthakumar Thiagarajan struct ath6kl_vif *vif; 1415bdcd8170SKalle Valo 1416990bd915SVasanthakumar Thiagarajan vif = ath6kl_vif_first(ar); 1417990bd915SVasanthakumar Thiagarajan if (!vif) 1418990bd915SVasanthakumar Thiagarajan return -EIO; 1419990bd915SVasanthakumar Thiagarajan 1420990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1421bdcd8170SKalle Valo return -EIO; 1422bdcd8170SKalle Valo 142359c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags)) { 1424bdcd8170SKalle Valo ar->tx_pwr = 0; 1425bdcd8170SKalle Valo 1426990bd915SVasanthakumar Thiagarajan if (ath6kl_wmi_get_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx) != 0) { 1427bdcd8170SKalle Valo ath6kl_err("ath6kl_wmi_get_tx_pwr_cmd failed\n"); 1428bdcd8170SKalle Valo return -EIO; 1429bdcd8170SKalle Valo } 1430bdcd8170SKalle Valo 1431bdcd8170SKalle Valo wait_event_interruptible_timeout(ar->event_wq, ar->tx_pwr != 0, 1432bdcd8170SKalle Valo 5 * HZ); 1433bdcd8170SKalle Valo 1434bdcd8170SKalle Valo if (signal_pending(current)) { 1435bdcd8170SKalle Valo ath6kl_err("target did not respond\n"); 1436bdcd8170SKalle Valo return -EINTR; 1437bdcd8170SKalle Valo } 1438bdcd8170SKalle Valo } 1439bdcd8170SKalle Valo 1440bdcd8170SKalle Valo *dbm = ar->tx_pwr; 1441bdcd8170SKalle Valo return 0; 1442bdcd8170SKalle Valo } 1443bdcd8170SKalle Valo 1444bdcd8170SKalle Valo static int ath6kl_cfg80211_set_power_mgmt(struct wiphy *wiphy, 1445bdcd8170SKalle Valo struct net_device *dev, 1446bdcd8170SKalle Valo bool pmgmt, int timeout) 1447bdcd8170SKalle Valo { 1448bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 1449bdcd8170SKalle Valo struct wmi_power_mode_cmd mode; 1450334234b5SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1451bdcd8170SKalle Valo 1452bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: pmgmt %d, timeout %d\n", 1453bdcd8170SKalle Valo __func__, pmgmt, timeout); 1454bdcd8170SKalle Valo 1455990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1456bdcd8170SKalle Valo return -EIO; 1457bdcd8170SKalle Valo 1458bdcd8170SKalle Valo if (pmgmt) { 1459bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: max perf\n", __func__); 1460bdcd8170SKalle Valo mode.pwr_mode = REC_POWER; 1461bdcd8170SKalle Valo } else { 1462bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: rec power\n", __func__); 1463bdcd8170SKalle Valo mode.pwr_mode = MAX_PERF_POWER; 1464bdcd8170SKalle Valo } 1465bdcd8170SKalle Valo 1466334234b5SVasanthakumar Thiagarajan if (ath6kl_wmi_powermode_cmd(ar->wmi, vif->fw_vif_idx, 1467334234b5SVasanthakumar Thiagarajan mode.pwr_mode) != 0) { 1468bdcd8170SKalle Valo ath6kl_err("wmi_powermode_cmd failed\n"); 1469bdcd8170SKalle Valo return -EIO; 1470bdcd8170SKalle Valo } 1471bdcd8170SKalle Valo 1472bdcd8170SKalle Valo return 0; 1473bdcd8170SKalle Valo } 1474bdcd8170SKalle Valo 147584efbb84SJohannes Berg static struct wireless_dev *ath6kl_cfg80211_add_iface(struct wiphy *wiphy, 1476552bff0cSJohannes Berg const char *name, 147755055976SVasanthakumar Thiagarajan enum nl80211_iftype type, 147855055976SVasanthakumar Thiagarajan u32 *flags, 147955055976SVasanthakumar Thiagarajan struct vif_params *params) 148055055976SVasanthakumar Thiagarajan { 148155055976SVasanthakumar Thiagarajan struct ath6kl *ar = wiphy_priv(wiphy); 148284efbb84SJohannes Berg struct wireless_dev *wdev; 148355055976SVasanthakumar Thiagarajan u8 if_idx, nw_type; 148455055976SVasanthakumar Thiagarajan 148571f96ee6SKalle Valo if (ar->num_vif == ar->vif_max) { 148655055976SVasanthakumar Thiagarajan ath6kl_err("Reached maximum number of supported vif\n"); 148755055976SVasanthakumar Thiagarajan return ERR_PTR(-EINVAL); 148855055976SVasanthakumar Thiagarajan } 148955055976SVasanthakumar Thiagarajan 149055055976SVasanthakumar Thiagarajan if (!ath6kl_is_valid_iftype(ar, type, &if_idx, &nw_type)) { 149155055976SVasanthakumar Thiagarajan ath6kl_err("Not a supported interface type\n"); 149255055976SVasanthakumar Thiagarajan return ERR_PTR(-EINVAL); 149355055976SVasanthakumar Thiagarajan } 149455055976SVasanthakumar Thiagarajan 149584efbb84SJohannes Berg wdev = ath6kl_interface_add(ar, name, type, if_idx, nw_type); 149684efbb84SJohannes Berg if (!wdev) 149755055976SVasanthakumar Thiagarajan return ERR_PTR(-ENOMEM); 149855055976SVasanthakumar Thiagarajan 149955055976SVasanthakumar Thiagarajan ar->num_vif++; 150055055976SVasanthakumar Thiagarajan 150184efbb84SJohannes Berg return wdev; 150255055976SVasanthakumar Thiagarajan } 150355055976SVasanthakumar Thiagarajan 150455055976SVasanthakumar Thiagarajan static int ath6kl_cfg80211_del_iface(struct wiphy *wiphy, 150584efbb84SJohannes Berg struct wireless_dev *wdev) 150655055976SVasanthakumar Thiagarajan { 150755055976SVasanthakumar Thiagarajan struct ath6kl *ar = wiphy_priv(wiphy); 150884efbb84SJohannes Berg struct ath6kl_vif *vif = netdev_priv(wdev->netdev); 150955055976SVasanthakumar Thiagarajan 151011f6e40dSVasanthakumar Thiagarajan spin_lock_bh(&ar->list_lock); 151155055976SVasanthakumar Thiagarajan list_del(&vif->list); 151211f6e40dSVasanthakumar Thiagarajan spin_unlock_bh(&ar->list_lock); 151355055976SVasanthakumar Thiagarajan 151455055976SVasanthakumar Thiagarajan ath6kl_cleanup_vif(vif, test_bit(WMI_READY, &ar->flag)); 151555055976SVasanthakumar Thiagarajan 1516c25889e8SKalle Valo ath6kl_cfg80211_vif_cleanup(vif); 151755055976SVasanthakumar Thiagarajan 151855055976SVasanthakumar Thiagarajan return 0; 151955055976SVasanthakumar Thiagarajan } 152055055976SVasanthakumar Thiagarajan 1521bdcd8170SKalle Valo static int ath6kl_cfg80211_change_iface(struct wiphy *wiphy, 1522bdcd8170SKalle Valo struct net_device *ndev, 1523bdcd8170SKalle Valo enum nl80211_iftype type, u32 *flags, 1524bdcd8170SKalle Valo struct vif_params *params) 1525bdcd8170SKalle Valo { 1526f5938f24SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 15271e8d13b0SVasanthakumar Thiagarajan int i; 1528bdcd8170SKalle Valo 1529bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type %u\n", __func__, type); 1530bdcd8170SKalle Valo 15311e8d13b0SVasanthakumar Thiagarajan /* 15321e8d13b0SVasanthakumar Thiagarajan * Don't bring up p2p on an interface which is not initialized 15331e8d13b0SVasanthakumar Thiagarajan * for p2p operation where fw does not have capability to switch 15341e8d13b0SVasanthakumar Thiagarajan * dynamically between non-p2p and p2p type interface. 15351e8d13b0SVasanthakumar Thiagarajan */ 15361e8d13b0SVasanthakumar Thiagarajan if (!test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX, 15371e8d13b0SVasanthakumar Thiagarajan vif->ar->fw_capabilities) && 15381e8d13b0SVasanthakumar Thiagarajan (type == NL80211_IFTYPE_P2P_CLIENT || 15391e8d13b0SVasanthakumar Thiagarajan type == NL80211_IFTYPE_P2P_GO)) { 15401e8d13b0SVasanthakumar Thiagarajan if (vif->ar->vif_max == 1) { 15411e8d13b0SVasanthakumar Thiagarajan if (vif->fw_vif_idx != 0) 15421e8d13b0SVasanthakumar Thiagarajan return -EINVAL; 15431e8d13b0SVasanthakumar Thiagarajan else 15441e8d13b0SVasanthakumar Thiagarajan goto set_iface_type; 15451e8d13b0SVasanthakumar Thiagarajan } 15461e8d13b0SVasanthakumar Thiagarajan 15471e8d13b0SVasanthakumar Thiagarajan for (i = vif->ar->max_norm_iface; i < vif->ar->vif_max; i++) { 15481e8d13b0SVasanthakumar Thiagarajan if (i == vif->fw_vif_idx) 15491e8d13b0SVasanthakumar Thiagarajan break; 15501e8d13b0SVasanthakumar Thiagarajan } 15511e8d13b0SVasanthakumar Thiagarajan 15521e8d13b0SVasanthakumar Thiagarajan if (i == vif->ar->vif_max) { 15531e8d13b0SVasanthakumar Thiagarajan ath6kl_err("Invalid interface to bring up P2P\n"); 15541e8d13b0SVasanthakumar Thiagarajan return -EINVAL; 15551e8d13b0SVasanthakumar Thiagarajan } 15561e8d13b0SVasanthakumar Thiagarajan } 15571e8d13b0SVasanthakumar Thiagarajan 1558c422d52dSThomas Pedersen /* need to clean up enhanced bmiss detection fw state */ 1559c422d52dSThomas Pedersen ath6kl_cfg80211_sta_bmiss_enhance(vif, false); 1560c422d52dSThomas Pedersen 15611e8d13b0SVasanthakumar Thiagarajan set_iface_type: 1562bdcd8170SKalle Valo switch (type) { 1563bdcd8170SKalle Valo case NL80211_IFTYPE_STATION: 1564f5938f24SVasanthakumar Thiagarajan vif->next_mode = INFRA_NETWORK; 1565bdcd8170SKalle Valo break; 1566bdcd8170SKalle Valo case NL80211_IFTYPE_ADHOC: 1567f5938f24SVasanthakumar Thiagarajan vif->next_mode = ADHOC_NETWORK; 1568bdcd8170SKalle Valo break; 15696e4604c8SJouni Malinen case NL80211_IFTYPE_AP: 1570f5938f24SVasanthakumar Thiagarajan vif->next_mode = AP_NETWORK; 15716e4604c8SJouni Malinen break; 15726b5e5d25SJouni Malinen case NL80211_IFTYPE_P2P_CLIENT: 1573f5938f24SVasanthakumar Thiagarajan vif->next_mode = INFRA_NETWORK; 15746b5e5d25SJouni Malinen break; 15756b5e5d25SJouni Malinen case NL80211_IFTYPE_P2P_GO: 1576f5938f24SVasanthakumar Thiagarajan vif->next_mode = AP_NETWORK; 15776b5e5d25SJouni Malinen break; 1578bdcd8170SKalle Valo default: 1579bdcd8170SKalle Valo ath6kl_err("invalid interface type %u\n", type); 1580bdcd8170SKalle Valo return -EOPNOTSUPP; 1581bdcd8170SKalle Valo } 1582bdcd8170SKalle Valo 1583551959d8SVasanthakumar Thiagarajan vif->wdev.iftype = type; 1584bdcd8170SKalle Valo 1585bdcd8170SKalle Valo return 0; 1586bdcd8170SKalle Valo } 1587bdcd8170SKalle Valo 1588bdcd8170SKalle Valo static int ath6kl_cfg80211_join_ibss(struct wiphy *wiphy, 1589bdcd8170SKalle Valo struct net_device *dev, 1590bdcd8170SKalle Valo struct cfg80211_ibss_params *ibss_param) 1591bdcd8170SKalle Valo { 1592bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 159359c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1594bdcd8170SKalle Valo int status; 1595bdcd8170SKalle Valo 1596990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1597bdcd8170SKalle Valo return -EIO; 1598bdcd8170SKalle Valo 15993450334fSVasanthakumar Thiagarajan vif->ssid_len = ibss_param->ssid_len; 16003450334fSVasanthakumar Thiagarajan memcpy(vif->ssid, ibss_param->ssid, vif->ssid_len); 1601bdcd8170SKalle Valo 1602bdcd8170SKalle Valo if (ibss_param->channel) 1603f74bac54SVasanthakumar Thiagarajan vif->ch_hint = ibss_param->channel->center_freq; 1604bdcd8170SKalle Valo 1605bdcd8170SKalle Valo if (ibss_param->channel_fixed) { 1606bdcd8170SKalle Valo /* 1607bdcd8170SKalle Valo * TODO: channel_fixed: The channel should be fixed, do not 1608bdcd8170SKalle Valo * search for IBSSs to join on other channels. Target 1609bdcd8170SKalle Valo * firmware does not support this feature, needs to be 1610bdcd8170SKalle Valo * updated. 1611bdcd8170SKalle Valo */ 1612bdcd8170SKalle Valo return -EOPNOTSUPP; 1613bdcd8170SKalle Valo } 1614bdcd8170SKalle Valo 16158c8b65e3SVasanthakumar Thiagarajan memset(vif->req_bssid, 0, sizeof(vif->req_bssid)); 1616bdcd8170SKalle Valo if (ibss_param->bssid && !is_broadcast_ether_addr(ibss_param->bssid)) 16178c8b65e3SVasanthakumar Thiagarajan memcpy(vif->req_bssid, ibss_param->bssid, 16188c8b65e3SVasanthakumar Thiagarajan sizeof(vif->req_bssid)); 1619bdcd8170SKalle Valo 1620240d2799SVasanthakumar Thiagarajan ath6kl_set_wpa_version(vif, 0); 1621bdcd8170SKalle Valo 1622240d2799SVasanthakumar Thiagarajan status = ath6kl_set_auth_type(vif, NL80211_AUTHTYPE_OPEN_SYSTEM); 1623bdcd8170SKalle Valo if (status) 1624bdcd8170SKalle Valo return status; 1625bdcd8170SKalle Valo 1626bdcd8170SKalle Valo if (ibss_param->privacy) { 1627240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, true); 1628240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, false); 1629bdcd8170SKalle Valo } else { 1630240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, 0, true); 1631240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, 0, false); 1632bdcd8170SKalle Valo } 1633bdcd8170SKalle Valo 1634f5938f24SVasanthakumar Thiagarajan vif->nw_type = vif->next_mode; 1635bdcd8170SKalle Valo 1636bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1637bdcd8170SKalle Valo "%s: connect called with authmode %d dot11 auth %d" 1638bdcd8170SKalle Valo " PW crypto %d PW crypto len %d GRP crypto %d" 1639bdcd8170SKalle Valo " GRP crypto len %d channel hint %u\n", 1640bdcd8170SKalle Valo __func__, 16413450334fSVasanthakumar Thiagarajan vif->auth_mode, vif->dot11_auth_mode, vif->prwise_crypto, 16423450334fSVasanthakumar Thiagarajan vif->prwise_crypto_len, vif->grp_crypto, 1643f74bac54SVasanthakumar Thiagarajan vif->grp_crypto_len, vif->ch_hint); 1644bdcd8170SKalle Valo 1645334234b5SVasanthakumar Thiagarajan status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type, 16463450334fSVasanthakumar Thiagarajan vif->dot11_auth_mode, vif->auth_mode, 16473450334fSVasanthakumar Thiagarajan vif->prwise_crypto, 16483450334fSVasanthakumar Thiagarajan vif->prwise_crypto_len, 16493450334fSVasanthakumar Thiagarajan vif->grp_crypto, vif->grp_crypto_len, 16503450334fSVasanthakumar Thiagarajan vif->ssid_len, vif->ssid, 1651f74bac54SVasanthakumar Thiagarajan vif->req_bssid, vif->ch_hint, 16523ca9d1fcSAarthi Thiruvengadam ar->connect_ctrl_flags, SUBTYPE_NONE); 165359c98449SVasanthakumar Thiagarajan set_bit(CONNECT_PEND, &vif->flags); 1654bdcd8170SKalle Valo 1655bdcd8170SKalle Valo return 0; 1656bdcd8170SKalle Valo } 1657bdcd8170SKalle Valo 1658bdcd8170SKalle Valo static int ath6kl_cfg80211_leave_ibss(struct wiphy *wiphy, 1659bdcd8170SKalle Valo struct net_device *dev) 1660bdcd8170SKalle Valo { 16613450334fSVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1662bdcd8170SKalle Valo 1663990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1664bdcd8170SKalle Valo return -EIO; 1665bdcd8170SKalle Valo 1666240d2799SVasanthakumar Thiagarajan ath6kl_disconnect(vif); 16673450334fSVasanthakumar Thiagarajan memset(vif->ssid, 0, sizeof(vif->ssid)); 16683450334fSVasanthakumar Thiagarajan vif->ssid_len = 0; 1669bdcd8170SKalle Valo 1670bdcd8170SKalle Valo return 0; 1671bdcd8170SKalle Valo } 1672bdcd8170SKalle Valo 1673bdcd8170SKalle Valo static const u32 cipher_suites[] = { 1674bdcd8170SKalle Valo WLAN_CIPHER_SUITE_WEP40, 1675bdcd8170SKalle Valo WLAN_CIPHER_SUITE_WEP104, 1676bdcd8170SKalle Valo WLAN_CIPHER_SUITE_TKIP, 1677bdcd8170SKalle Valo WLAN_CIPHER_SUITE_CCMP, 1678837cb97eSJouni Malinen CCKM_KRK_CIPHER_SUITE, 16795e07021eSDai Shuibing WLAN_CIPHER_SUITE_SMS4, 1680bdcd8170SKalle Valo }; 1681bdcd8170SKalle Valo 1682bdcd8170SKalle Valo static bool is_rate_legacy(s32 rate) 1683bdcd8170SKalle Valo { 1684bdcd8170SKalle Valo static const s32 legacy[] = { 1000, 2000, 5500, 11000, 1685bdcd8170SKalle Valo 6000, 9000, 12000, 18000, 24000, 1686bdcd8170SKalle Valo 36000, 48000, 54000 1687bdcd8170SKalle Valo }; 1688bdcd8170SKalle Valo u8 i; 1689bdcd8170SKalle Valo 1690bdcd8170SKalle Valo for (i = 0; i < ARRAY_SIZE(legacy); i++) 1691bdcd8170SKalle Valo if (rate == legacy[i]) 1692bdcd8170SKalle Valo return true; 1693bdcd8170SKalle Valo 1694bdcd8170SKalle Valo return false; 1695bdcd8170SKalle Valo } 1696bdcd8170SKalle Valo 1697bdcd8170SKalle Valo static bool is_rate_ht20(s32 rate, u8 *mcs, bool *sgi) 1698bdcd8170SKalle Valo { 1699bdcd8170SKalle Valo static const s32 ht20[] = { 6500, 13000, 19500, 26000, 39000, 1700bdcd8170SKalle Valo 52000, 58500, 65000, 72200 1701bdcd8170SKalle Valo }; 1702bdcd8170SKalle Valo u8 i; 1703bdcd8170SKalle Valo 1704bdcd8170SKalle Valo for (i = 0; i < ARRAY_SIZE(ht20); i++) { 1705bdcd8170SKalle Valo if (rate == ht20[i]) { 1706bdcd8170SKalle Valo if (i == ARRAY_SIZE(ht20) - 1) 1707bdcd8170SKalle Valo /* last rate uses sgi */ 1708bdcd8170SKalle Valo *sgi = true; 1709bdcd8170SKalle Valo else 1710bdcd8170SKalle Valo *sgi = false; 1711bdcd8170SKalle Valo 1712bdcd8170SKalle Valo *mcs = i; 1713bdcd8170SKalle Valo return true; 1714bdcd8170SKalle Valo } 1715bdcd8170SKalle Valo } 1716bdcd8170SKalle Valo return false; 1717bdcd8170SKalle Valo } 1718bdcd8170SKalle Valo 1719bdcd8170SKalle Valo static bool is_rate_ht40(s32 rate, u8 *mcs, bool *sgi) 1720bdcd8170SKalle Valo { 1721bdcd8170SKalle Valo static const s32 ht40[] = { 13500, 27000, 40500, 54000, 1722bdcd8170SKalle Valo 81000, 108000, 121500, 135000, 1723bdcd8170SKalle Valo 150000 1724bdcd8170SKalle Valo }; 1725bdcd8170SKalle Valo u8 i; 1726bdcd8170SKalle Valo 1727bdcd8170SKalle Valo for (i = 0; i < ARRAY_SIZE(ht40); i++) { 1728bdcd8170SKalle Valo if (rate == ht40[i]) { 1729bdcd8170SKalle Valo if (i == ARRAY_SIZE(ht40) - 1) 1730bdcd8170SKalle Valo /* last rate uses sgi */ 1731bdcd8170SKalle Valo *sgi = true; 1732bdcd8170SKalle Valo else 1733bdcd8170SKalle Valo *sgi = false; 1734bdcd8170SKalle Valo 1735bdcd8170SKalle Valo *mcs = i; 1736bdcd8170SKalle Valo return true; 1737bdcd8170SKalle Valo } 1738bdcd8170SKalle Valo } 1739bdcd8170SKalle Valo 1740bdcd8170SKalle Valo return false; 1741bdcd8170SKalle Valo } 1742bdcd8170SKalle Valo 1743bdcd8170SKalle Valo static int ath6kl_get_station(struct wiphy *wiphy, struct net_device *dev, 1744bdcd8170SKalle Valo u8 *mac, struct station_info *sinfo) 1745bdcd8170SKalle Valo { 1746bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 174759c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1748bdcd8170SKalle Valo long left; 1749bdcd8170SKalle Valo bool sgi; 1750bdcd8170SKalle Valo s32 rate; 1751bdcd8170SKalle Valo int ret; 1752bdcd8170SKalle Valo u8 mcs; 1753bdcd8170SKalle Valo 17548c8b65e3SVasanthakumar Thiagarajan if (memcmp(mac, vif->bssid, ETH_ALEN) != 0) 1755bdcd8170SKalle Valo return -ENOENT; 1756bdcd8170SKalle Valo 1757bdcd8170SKalle Valo if (down_interruptible(&ar->sem)) 1758bdcd8170SKalle Valo return -EBUSY; 1759bdcd8170SKalle Valo 1760b95907a7SVasanthakumar Thiagarajan set_bit(STATS_UPDATE_PEND, &vif->flags); 1761bdcd8170SKalle Valo 1762334234b5SVasanthakumar Thiagarajan ret = ath6kl_wmi_get_stats_cmd(ar->wmi, vif->fw_vif_idx); 1763bdcd8170SKalle Valo 1764bdcd8170SKalle Valo if (ret != 0) { 1765bdcd8170SKalle Valo up(&ar->sem); 1766bdcd8170SKalle Valo return -EIO; 1767bdcd8170SKalle Valo } 1768bdcd8170SKalle Valo 1769bdcd8170SKalle Valo left = wait_event_interruptible_timeout(ar->event_wq, 1770bdcd8170SKalle Valo !test_bit(STATS_UPDATE_PEND, 1771b95907a7SVasanthakumar Thiagarajan &vif->flags), 1772bdcd8170SKalle Valo WMI_TIMEOUT); 1773bdcd8170SKalle Valo 1774bdcd8170SKalle Valo up(&ar->sem); 1775bdcd8170SKalle Valo 1776bdcd8170SKalle Valo if (left == 0) 1777bdcd8170SKalle Valo return -ETIMEDOUT; 1778bdcd8170SKalle Valo else if (left < 0) 1779bdcd8170SKalle Valo return left; 1780bdcd8170SKalle Valo 1781b95907a7SVasanthakumar Thiagarajan if (vif->target_stats.rx_byte) { 1782b95907a7SVasanthakumar Thiagarajan sinfo->rx_bytes = vif->target_stats.rx_byte; 1783bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_RX_BYTES; 1784b95907a7SVasanthakumar Thiagarajan sinfo->rx_packets = vif->target_stats.rx_pkt; 1785bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_RX_PACKETS; 1786bdcd8170SKalle Valo } 1787bdcd8170SKalle Valo 1788b95907a7SVasanthakumar Thiagarajan if (vif->target_stats.tx_byte) { 1789b95907a7SVasanthakumar Thiagarajan sinfo->tx_bytes = vif->target_stats.tx_byte; 1790bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_TX_BYTES; 1791b95907a7SVasanthakumar Thiagarajan sinfo->tx_packets = vif->target_stats.tx_pkt; 1792bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_TX_PACKETS; 1793bdcd8170SKalle Valo } 1794bdcd8170SKalle Valo 1795b95907a7SVasanthakumar Thiagarajan sinfo->signal = vif->target_stats.cs_rssi; 1796bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_SIGNAL; 1797bdcd8170SKalle Valo 1798b95907a7SVasanthakumar Thiagarajan rate = vif->target_stats.tx_ucast_rate; 1799bdcd8170SKalle Valo 1800bdcd8170SKalle Valo if (is_rate_legacy(rate)) { 1801bdcd8170SKalle Valo sinfo->txrate.legacy = rate / 100; 1802bdcd8170SKalle Valo } else if (is_rate_ht20(rate, &mcs, &sgi)) { 1803bdcd8170SKalle Valo if (sgi) { 1804bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; 1805bdcd8170SKalle Valo sinfo->txrate.mcs = mcs - 1; 1806bdcd8170SKalle Valo } else { 1807bdcd8170SKalle Valo sinfo->txrate.mcs = mcs; 1808bdcd8170SKalle Valo } 1809bdcd8170SKalle Valo 1810bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; 1811bdcd8170SKalle Valo } else if (is_rate_ht40(rate, &mcs, &sgi)) { 1812bdcd8170SKalle Valo if (sgi) { 1813bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; 1814bdcd8170SKalle Valo sinfo->txrate.mcs = mcs - 1; 1815bdcd8170SKalle Valo } else { 1816bdcd8170SKalle Valo sinfo->txrate.mcs = mcs; 1817bdcd8170SKalle Valo } 1818bdcd8170SKalle Valo 1819bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; 1820bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; 1821bdcd8170SKalle Valo } else { 18229a730834SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 18239a730834SKalle Valo "invalid rate from stats: %d\n", rate); 18249a730834SKalle Valo ath6kl_debug_war(ar, ATH6KL_WAR_INVALID_RATE); 1825bdcd8170SKalle Valo return 0; 1826bdcd8170SKalle Valo } 1827bdcd8170SKalle Valo 1828bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_TX_BITRATE; 1829bdcd8170SKalle Valo 183059c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags) && 183159c98449SVasanthakumar Thiagarajan test_bit(DTIM_PERIOD_AVAIL, &vif->flags) && 1832f5938f24SVasanthakumar Thiagarajan vif->nw_type == INFRA_NETWORK) { 183332c10874SJouni Malinen sinfo->filled |= STATION_INFO_BSS_PARAM; 183432c10874SJouni Malinen sinfo->bss_param.flags = 0; 1835cf5333d7SVasanthakumar Thiagarajan sinfo->bss_param.dtim_period = vif->assoc_bss_dtim_period; 1836cf5333d7SVasanthakumar Thiagarajan sinfo->bss_param.beacon_interval = vif->assoc_bss_beacon_int; 183732c10874SJouni Malinen } 183832c10874SJouni Malinen 1839bdcd8170SKalle Valo return 0; 1840bdcd8170SKalle Valo } 1841bdcd8170SKalle Valo 1842bdcd8170SKalle Valo static int ath6kl_set_pmksa(struct wiphy *wiphy, struct net_device *netdev, 1843bdcd8170SKalle Valo struct cfg80211_pmksa *pmksa) 1844bdcd8170SKalle Valo { 1845bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(netdev); 1846334234b5SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(netdev); 1847334234b5SVasanthakumar Thiagarajan 1848334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid, 1849bdcd8170SKalle Valo pmksa->pmkid, true); 1850bdcd8170SKalle Valo } 1851bdcd8170SKalle Valo 1852bdcd8170SKalle Valo static int ath6kl_del_pmksa(struct wiphy *wiphy, struct net_device *netdev, 1853bdcd8170SKalle Valo struct cfg80211_pmksa *pmksa) 1854bdcd8170SKalle Valo { 1855bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(netdev); 1856334234b5SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(netdev); 1857334234b5SVasanthakumar Thiagarajan 1858334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid, 1859bdcd8170SKalle Valo pmksa->pmkid, false); 1860bdcd8170SKalle Valo } 1861bdcd8170SKalle Valo 1862bdcd8170SKalle Valo static int ath6kl_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev) 1863bdcd8170SKalle Valo { 1864bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(netdev); 186559c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(netdev); 186659c98449SVasanthakumar Thiagarajan 186759c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags)) 1868334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, 1869334234b5SVasanthakumar Thiagarajan vif->bssid, NULL, false); 1870bdcd8170SKalle Valo return 0; 1871bdcd8170SKalle Valo } 1872bdcd8170SKalle Valo 1873d91e8eeeSRaja Mani static int ath6kl_wow_usr(struct ath6kl *ar, struct ath6kl_vif *vif, 1874d91e8eeeSRaja Mani struct cfg80211_wowlan *wow, u32 *filter) 18756cb3c714SRaja Mani { 1876d91e8eeeSRaja Mani int ret, pos; 1877d91e8eeeSRaja Mani u8 mask[WOW_MASK_SIZE]; 18786cb3c714SRaja Mani u16 i; 18796cb3c714SRaja Mani 1880d91e8eeeSRaja Mani /* Configure the patterns that we received from the user. */ 18816cb3c714SRaja Mani for (i = 0; i < wow->n_patterns; i++) { 18826cb3c714SRaja Mani 18836cb3c714SRaja Mani /* 18846cb3c714SRaja Mani * Convert given nl80211 specific mask value to equivalent 18856cb3c714SRaja Mani * driver specific mask value and send it to the chip along 18866cb3c714SRaja Mani * with patterns. For example, If the mask value defined in 18876cb3c714SRaja Mani * struct cfg80211_wowlan is 0xA (equivalent binary is 1010), 18886cb3c714SRaja Mani * then equivalent driver specific mask value is 18896cb3c714SRaja Mani * "0xFF 0x00 0xFF 0x00". 18906cb3c714SRaja Mani */ 18916cb3c714SRaja Mani memset(&mask, 0, sizeof(mask)); 18926cb3c714SRaja Mani for (pos = 0; pos < wow->patterns[i].pattern_len; pos++) { 18936cb3c714SRaja Mani if (wow->patterns[i].mask[pos / 8] & (0x1 << (pos % 8))) 18946cb3c714SRaja Mani mask[pos] = 0xFF; 18956cb3c714SRaja Mani } 18966cb3c714SRaja Mani /* 18976cb3c714SRaja Mani * Note: Pattern's offset is not passed as part of wowlan 18986cb3c714SRaja Mani * parameter from CFG layer. So it's always passed as ZERO 18996cb3c714SRaja Mani * to the firmware. It means, given WOW patterns are always 19006cb3c714SRaja Mani * matched from the first byte of received pkt in the firmware. 19016cb3c714SRaja Mani */ 19026cb3c714SRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 19036cb3c714SRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 19046cb3c714SRaja Mani wow->patterns[i].pattern_len, 19056cb3c714SRaja Mani 0 /* pattern offset */, 19066cb3c714SRaja Mani wow->patterns[i].pattern, mask); 19076cb3c714SRaja Mani if (ret) 19086cb3c714SRaja Mani return ret; 19096cb3c714SRaja Mani } 19106cb3c714SRaja Mani 1911d91e8eeeSRaja Mani if (wow->disconnect) 1912d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_NWK_DISASSOC; 1913d91e8eeeSRaja Mani 1914d91e8eeeSRaja Mani if (wow->magic_pkt) 1915d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_MAGIC_PACKET; 1916d91e8eeeSRaja Mani 1917d91e8eeeSRaja Mani if (wow->gtk_rekey_failure) 1918d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_GTK_ERROR; 1919d91e8eeeSRaja Mani 1920d91e8eeeSRaja Mani if (wow->eap_identity_req) 1921d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_EAP_REQ; 1922d91e8eeeSRaja Mani 1923d91e8eeeSRaja Mani if (wow->four_way_handshake) 1924d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_8021X_4WAYHS; 1925d91e8eeeSRaja Mani 1926d91e8eeeSRaja Mani return 0; 1927d91e8eeeSRaja Mani } 1928d91e8eeeSRaja Mani 1929d91e8eeeSRaja Mani static int ath6kl_wow_ap(struct ath6kl *ar, struct ath6kl_vif *vif) 1930d91e8eeeSRaja Mani { 1931d91e8eeeSRaja Mani static const u8 unicst_pattern[] = { 0x00, 0x00, 0x00, 1932d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1933d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1934d91e8eeeSRaja Mani 0x00, 0x08 }; 1935d91e8eeeSRaja Mani static const u8 unicst_mask[] = { 0x01, 0x00, 0x00, 1936d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1937d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1938d91e8eeeSRaja Mani 0x00, 0x7f }; 1939d91e8eeeSRaja Mani u8 unicst_offset = 0; 1940d91e8eeeSRaja Mani static const u8 arp_pattern[] = { 0x08, 0x06 }; 1941d91e8eeeSRaja Mani static const u8 arp_mask[] = { 0xff, 0xff }; 1942d91e8eeeSRaja Mani u8 arp_offset = 20; 1943d91e8eeeSRaja Mani static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 }; 1944d91e8eeeSRaja Mani static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 }; 1945d91e8eeeSRaja Mani u8 discvr_offset = 38; 1946d91e8eeeSRaja Mani static const u8 dhcp_pattern[] = { 0xff, 0xff, 0xff, 0xff, 1947d91e8eeeSRaja Mani 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1948d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 1949d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1950d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1951d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x43 /* port 67 */ }; 1952d91e8eeeSRaja Mani static const u8 dhcp_mask[] = { 0xff, 0xff, 0xff, 0xff, 1953d91e8eeeSRaja Mani 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1954d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 1955d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1956d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1957d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0xff, 0xff /* port 67 */ }; 1958d91e8eeeSRaja Mani u8 dhcp_offset = 0; 1959d91e8eeeSRaja Mani int ret; 1960d91e8eeeSRaja Mani 1961d91e8eeeSRaja Mani /* Setup unicast IP, EAPOL-like and ARP pkt pattern */ 1962d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 1963d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 1964d91e8eeeSRaja Mani sizeof(unicst_pattern), unicst_offset, 1965d91e8eeeSRaja Mani unicst_pattern, unicst_mask); 1966d91e8eeeSRaja Mani if (ret) { 1967d91e8eeeSRaja Mani ath6kl_err("failed to add WOW unicast IP pattern\n"); 1968d91e8eeeSRaja Mani return ret; 1969d91e8eeeSRaja Mani } 1970d91e8eeeSRaja Mani 1971d91e8eeeSRaja Mani /* Setup all ARP pkt pattern */ 1972d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 1973d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 1974d91e8eeeSRaja Mani sizeof(arp_pattern), arp_offset, 1975d91e8eeeSRaja Mani arp_pattern, arp_mask); 1976d91e8eeeSRaja Mani if (ret) { 1977d91e8eeeSRaja Mani ath6kl_err("failed to add WOW ARP pattern\n"); 1978d91e8eeeSRaja Mani return ret; 1979d91e8eeeSRaja Mani } 1980d91e8eeeSRaja Mani 1981d91e8eeeSRaja Mani /* 1982d91e8eeeSRaja Mani * Setup multicast pattern for mDNS 224.0.0.251, 1983d91e8eeeSRaja Mani * SSDP 239.255.255.250 and LLMNR 224.0.0.252 1984d91e8eeeSRaja Mani */ 1985d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 1986d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 1987d91e8eeeSRaja Mani sizeof(discvr_pattern), discvr_offset, 1988d91e8eeeSRaja Mani discvr_pattern, discvr_mask); 1989d91e8eeeSRaja Mani if (ret) { 1990d91e8eeeSRaja Mani ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n"); 1991d91e8eeeSRaja Mani return ret; 1992d91e8eeeSRaja Mani } 1993d91e8eeeSRaja Mani 1994d91e8eeeSRaja Mani /* Setup all DHCP broadcast pkt pattern */ 1995d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 1996d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 1997d91e8eeeSRaja Mani sizeof(dhcp_pattern), dhcp_offset, 1998d91e8eeeSRaja Mani dhcp_pattern, dhcp_mask); 1999d91e8eeeSRaja Mani if (ret) { 2000d91e8eeeSRaja Mani ath6kl_err("failed to add WOW DHCP broadcast pattern\n"); 2001d91e8eeeSRaja Mani return ret; 2002d91e8eeeSRaja Mani } 2003d91e8eeeSRaja Mani 2004d91e8eeeSRaja Mani return 0; 2005d91e8eeeSRaja Mani } 2006d91e8eeeSRaja Mani 2007d91e8eeeSRaja Mani static int ath6kl_wow_sta(struct ath6kl *ar, struct ath6kl_vif *vif) 2008d91e8eeeSRaja Mani { 2009d91e8eeeSRaja Mani struct net_device *ndev = vif->ndev; 2010d91e8eeeSRaja Mani static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 }; 2011d91e8eeeSRaja Mani static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 }; 2012d91e8eeeSRaja Mani u8 discvr_offset = 38; 2013d91e8eeeSRaja Mani u8 mac_mask[ETH_ALEN]; 2014d91e8eeeSRaja Mani int ret; 2015d91e8eeeSRaja Mani 2016d91e8eeeSRaja Mani /* Setup unicast pkt pattern */ 2017d91e8eeeSRaja Mani memset(mac_mask, 0xff, ETH_ALEN); 2018d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 2019d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 2020d91e8eeeSRaja Mani ETH_ALEN, 0, ndev->dev_addr, 2021d91e8eeeSRaja Mani mac_mask); 2022d91e8eeeSRaja Mani if (ret) { 2023d91e8eeeSRaja Mani ath6kl_err("failed to add WOW unicast pattern\n"); 2024d91e8eeeSRaja Mani return ret; 2025d91e8eeeSRaja Mani } 2026d91e8eeeSRaja Mani 2027d91e8eeeSRaja Mani /* 2028d91e8eeeSRaja Mani * Setup multicast pattern for mDNS 224.0.0.251, 2029d91e8eeeSRaja Mani * SSDP 239.255.255.250 and LLMNR 224.0.0.252 2030d91e8eeeSRaja Mani */ 2031d91e8eeeSRaja Mani if ((ndev->flags & IFF_ALLMULTI) || 2032d91e8eeeSRaja Mani (ndev->flags & IFF_MULTICAST && netdev_mc_count(ndev) > 0)) { 2033d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 2034d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 2035d91e8eeeSRaja Mani sizeof(discvr_pattern), discvr_offset, 2036d91e8eeeSRaja Mani discvr_pattern, discvr_mask); 2037d91e8eeeSRaja Mani if (ret) { 2038cdeb8602SKalle Valo ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n"); 2039d91e8eeeSRaja Mani return ret; 2040d91e8eeeSRaja Mani } 2041d91e8eeeSRaja Mani } 2042d91e8eeeSRaja Mani 2043d91e8eeeSRaja Mani return 0; 2044d91e8eeeSRaja Mani } 2045d91e8eeeSRaja Mani 2046055bde49SRaja Mani static int is_hsleep_mode_procsed(struct ath6kl_vif *vif) 2047055bde49SRaja Mani { 2048055bde49SRaja Mani return test_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags); 2049055bde49SRaja Mani } 2050055bde49SRaja Mani 2051055bde49SRaja Mani static bool is_ctrl_ep_empty(struct ath6kl *ar) 2052055bde49SRaja Mani { 2053055bde49SRaja Mani return !ar->tx_pending[ar->ctrl_ep]; 2054055bde49SRaja Mani } 2055055bde49SRaja Mani 2056055bde49SRaja Mani static int ath6kl_cfg80211_host_sleep(struct ath6kl *ar, struct ath6kl_vif *vif) 2057055bde49SRaja Mani { 2058055bde49SRaja Mani int ret, left; 2059055bde49SRaja Mani 2060055bde49SRaja Mani clear_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags); 2061055bde49SRaja Mani 2062055bde49SRaja Mani ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, 2063055bde49SRaja Mani ATH6KL_HOST_MODE_ASLEEP); 2064055bde49SRaja Mani if (ret) 2065055bde49SRaja Mani return ret; 2066055bde49SRaja Mani 2067055bde49SRaja Mani left = wait_event_interruptible_timeout(ar->event_wq, 2068055bde49SRaja Mani is_hsleep_mode_procsed(vif), 2069055bde49SRaja Mani WMI_TIMEOUT); 2070055bde49SRaja Mani if (left == 0) { 2071055bde49SRaja Mani ath6kl_warn("timeout, didn't get host sleep cmd processed event\n"); 2072055bde49SRaja Mani ret = -ETIMEDOUT; 2073055bde49SRaja Mani } else if (left < 0) { 2074055bde49SRaja Mani ath6kl_warn("error while waiting for host sleep cmd processed event %d\n", 2075055bde49SRaja Mani left); 2076055bde49SRaja Mani ret = left; 2077055bde49SRaja Mani } 2078055bde49SRaja Mani 2079055bde49SRaja Mani if (ar->tx_pending[ar->ctrl_ep]) { 2080055bde49SRaja Mani left = wait_event_interruptible_timeout(ar->event_wq, 2081055bde49SRaja Mani is_ctrl_ep_empty(ar), 2082055bde49SRaja Mani WMI_TIMEOUT); 2083055bde49SRaja Mani if (left == 0) { 2084055bde49SRaja Mani ath6kl_warn("clear wmi ctrl data timeout\n"); 2085055bde49SRaja Mani ret = -ETIMEDOUT; 2086055bde49SRaja Mani } else if (left < 0) { 2087055bde49SRaja Mani ath6kl_warn("clear wmi ctrl data failed: %d\n", left); 2088055bde49SRaja Mani ret = left; 2089055bde49SRaja Mani } 2090055bde49SRaja Mani } 2091055bde49SRaja Mani 2092055bde49SRaja Mani return ret; 2093055bde49SRaja Mani } 2094055bde49SRaja Mani 2095d91e8eeeSRaja Mani static int ath6kl_wow_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow) 2096d91e8eeeSRaja Mani { 2097d91e8eeeSRaja Mani struct in_device *in_dev; 2098d91e8eeeSRaja Mani struct in_ifaddr *ifa; 2099d91e8eeeSRaja Mani struct ath6kl_vif *vif; 2100055bde49SRaja Mani int ret; 2101d91e8eeeSRaja Mani u32 filter = 0; 2102ce0dc0cfSRaja Mani u16 i, bmiss_time; 2103d91e8eeeSRaja Mani u8 index = 0; 2104d91e8eeeSRaja Mani __be32 ips[MAX_IP_ADDRS]; 2105d91e8eeeSRaja Mani 210677ed4e45SThomas Pedersen /* The FW currently can't support multi-vif WoW properly. */ 210777ed4e45SThomas Pedersen if (ar->num_vif > 1) 210877ed4e45SThomas Pedersen return -EIO; 210977ed4e45SThomas Pedersen 2110d91e8eeeSRaja Mani vif = ath6kl_vif_first(ar); 2111d91e8eeeSRaja Mani if (!vif) 2112d91e8eeeSRaja Mani return -EIO; 2113d91e8eeeSRaja Mani 2114d91e8eeeSRaja Mani if (!ath6kl_cfg80211_ready(vif)) 2115d91e8eeeSRaja Mani return -EIO; 2116d91e8eeeSRaja Mani 2117d91e8eeeSRaja Mani if (!test_bit(CONNECTED, &vif->flags)) 21183c411a43SRaja Mani return -ENOTCONN; 2119d91e8eeeSRaja Mani 2120d91e8eeeSRaja Mani if (wow && (wow->n_patterns > WOW_MAX_FILTERS_PER_LIST)) 2121d91e8eeeSRaja Mani return -EINVAL; 2122d91e8eeeSRaja Mani 21236821d4f0SNaveen Gangadharan if (!test_bit(NETDEV_MCAST_ALL_ON, &vif->flags) && 21246821d4f0SNaveen Gangadharan test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER, 21256821d4f0SNaveen Gangadharan ar->fw_capabilities)) { 21266251d801SNaveen Gangadharan ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi, 21276251d801SNaveen Gangadharan vif->fw_vif_idx, false); 21286251d801SNaveen Gangadharan if (ret) 21296251d801SNaveen Gangadharan return ret; 21306251d801SNaveen Gangadharan } 21316251d801SNaveen Gangadharan 2132d91e8eeeSRaja Mani /* Clear existing WOW patterns */ 2133d91e8eeeSRaja Mani for (i = 0; i < WOW_MAX_FILTERS_PER_LIST; i++) 2134d91e8eeeSRaja Mani ath6kl_wmi_del_wow_pattern_cmd(ar->wmi, vif->fw_vif_idx, 2135d91e8eeeSRaja Mani WOW_LIST_ID, i); 2136d91e8eeeSRaja Mani 2137d91e8eeeSRaja Mani /* 2138d91e8eeeSRaja Mani * Skip the default WOW pattern configuration 2139d91e8eeeSRaja Mani * if the driver receives any WOW patterns from 2140d91e8eeeSRaja Mani * the user. 2141d91e8eeeSRaja Mani */ 2142d91e8eeeSRaja Mani if (wow) 2143d91e8eeeSRaja Mani ret = ath6kl_wow_usr(ar, vif, wow, &filter); 2144d91e8eeeSRaja Mani else if (vif->nw_type == AP_NETWORK) 2145d91e8eeeSRaja Mani ret = ath6kl_wow_ap(ar, vif); 2146d91e8eeeSRaja Mani else 2147d91e8eeeSRaja Mani ret = ath6kl_wow_sta(ar, vif); 2148d91e8eeeSRaja Mani 2149d91e8eeeSRaja Mani if (ret) 2150d91e8eeeSRaja Mani return ret; 2151d91e8eeeSRaja Mani 2152390a8c8fSRaja Mani netif_stop_queue(vif->ndev); 2153390a8c8fSRaja Mani 2154ce0dc0cfSRaja Mani if (vif->nw_type != AP_NETWORK) { 2155ce0dc0cfSRaja Mani ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx, 2156ce0dc0cfSRaja Mani ATH6KL_MAX_WOW_LISTEN_INTL, 2157ce0dc0cfSRaja Mani 0); 2158ce0dc0cfSRaja Mani if (ret) 2159ce0dc0cfSRaja Mani return ret; 2160ce0dc0cfSRaja Mani 2161ce0dc0cfSRaja Mani /* Set listen interval x 15 times as bmiss time */ 2162ce0dc0cfSRaja Mani bmiss_time = ATH6KL_MAX_WOW_LISTEN_INTL * 15; 2163ce0dc0cfSRaja Mani if (bmiss_time > ATH6KL_MAX_BMISS_TIME) 2164ce0dc0cfSRaja Mani bmiss_time = ATH6KL_MAX_BMISS_TIME; 2165ce0dc0cfSRaja Mani 2166ce0dc0cfSRaja Mani ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx, 2167ce0dc0cfSRaja Mani bmiss_time, 0); 2168ce0dc0cfSRaja Mani if (ret) 2169ce0dc0cfSRaja Mani return ret; 2170ce0dc0cfSRaja Mani 2171ce0dc0cfSRaja Mani ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 2172ce0dc0cfSRaja Mani 0xFFFF, 0, 0xFFFF, 0, 0, 0, 2173ce0dc0cfSRaja Mani 0, 0, 0, 0); 2174ce0dc0cfSRaja Mani if (ret) 2175ce0dc0cfSRaja Mani return ret; 2176ce0dc0cfSRaja Mani } 2177ce0dc0cfSRaja Mani 2178390a8c8fSRaja Mani ar->state = ATH6KL_STATE_SUSPENDING; 2179390a8c8fSRaja Mani 2180c08631c6SRaja Mani /* Setup own IP addr for ARP agent. */ 2181c08631c6SRaja Mani in_dev = __in_dev_get_rtnl(vif->ndev); 2182c08631c6SRaja Mani if (!in_dev) 2183c08631c6SRaja Mani goto skip_arp; 2184c08631c6SRaja Mani 2185c08631c6SRaja Mani ifa = in_dev->ifa_list; 2186c08631c6SRaja Mani memset(&ips, 0, sizeof(ips)); 2187c08631c6SRaja Mani 2188c08631c6SRaja Mani /* Configure IP addr only if IP address count < MAX_IP_ADDRS */ 2189c08631c6SRaja Mani while (index < MAX_IP_ADDRS && ifa) { 2190c08631c6SRaja Mani ips[index] = ifa->ifa_local; 2191c08631c6SRaja Mani ifa = ifa->ifa_next; 2192c08631c6SRaja Mani index++; 2193c08631c6SRaja Mani } 2194c08631c6SRaja Mani 2195c08631c6SRaja Mani if (ifa) { 2196c08631c6SRaja Mani ath6kl_err("total IP addr count is exceeding fw limit\n"); 2197c08631c6SRaja Mani return -EINVAL; 2198c08631c6SRaja Mani } 2199c08631c6SRaja Mani 2200c08631c6SRaja Mani ret = ath6kl_wmi_set_ip_cmd(ar->wmi, vif->fw_vif_idx, ips[0], ips[1]); 2201c08631c6SRaja Mani if (ret) { 2202c08631c6SRaja Mani ath6kl_err("fail to setup ip for arp agent\n"); 2203c08631c6SRaja Mani return ret; 2204c08631c6SRaja Mani } 2205c08631c6SRaja Mani 2206c08631c6SRaja Mani skip_arp: 22076cb3c714SRaja Mani ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx, 22086cb3c714SRaja Mani ATH6KL_WOW_MODE_ENABLE, 22096cb3c714SRaja Mani filter, 22106cb3c714SRaja Mani WOW_HOST_REQ_DELAY); 22116cb3c714SRaja Mani if (ret) 22126cb3c714SRaja Mani return ret; 22136cb3c714SRaja Mani 2214055bde49SRaja Mani ret = ath6kl_cfg80211_host_sleep(ar, vif); 22156cb3c714SRaja Mani if (ret) 22166cb3c714SRaja Mani return ret; 22176cb3c714SRaja Mani 2218055bde49SRaja Mani return 0; 22196cb3c714SRaja Mani } 22206cb3c714SRaja Mani 22216cb3c714SRaja Mani static int ath6kl_wow_resume(struct ath6kl *ar) 22226cb3c714SRaja Mani { 22236cb3c714SRaja Mani struct ath6kl_vif *vif; 22246cb3c714SRaja Mani int ret; 22256cb3c714SRaja Mani 22266cb3c714SRaja Mani vif = ath6kl_vif_first(ar); 22276cb3c714SRaja Mani if (!vif) 22286cb3c714SRaja Mani return -EIO; 22296cb3c714SRaja Mani 2230390a8c8fSRaja Mani ar->state = ATH6KL_STATE_RESUMING; 2231390a8c8fSRaja Mani 22326cb3c714SRaja Mani ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, 22336cb3c714SRaja Mani ATH6KL_HOST_MODE_AWAKE); 2234390a8c8fSRaja Mani if (ret) { 2235cdeb8602SKalle Valo ath6kl_warn("Failed to configure host sleep mode for wow resume: %d\n", 2236cdeb8602SKalle Valo ret); 2237390a8c8fSRaja Mani ar->state = ATH6KL_STATE_WOW; 22386cb3c714SRaja Mani return ret; 22396cb3c714SRaja Mani } 22406cb3c714SRaja Mani 2241ce0dc0cfSRaja Mani if (vif->nw_type != AP_NETWORK) { 2242ce0dc0cfSRaja Mani ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 2243ce0dc0cfSRaja Mani 0, 0, 0, 0, 0, 0, 3, 0, 0, 0); 2244ce0dc0cfSRaja Mani if (ret) 2245ce0dc0cfSRaja Mani return ret; 2246ce0dc0cfSRaja Mani 2247ce0dc0cfSRaja Mani ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx, 2248ce0dc0cfSRaja Mani vif->listen_intvl_t, 0); 2249ce0dc0cfSRaja Mani if (ret) 2250ce0dc0cfSRaja Mani return ret; 2251ce0dc0cfSRaja Mani 2252ce0dc0cfSRaja Mani ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx, 2253ce0dc0cfSRaja Mani vif->bmiss_time_t, 0); 2254ce0dc0cfSRaja Mani if (ret) 2255ce0dc0cfSRaja Mani return ret; 2256ce0dc0cfSRaja Mani } 2257ce0dc0cfSRaja Mani 2258390a8c8fSRaja Mani ar->state = ATH6KL_STATE_ON; 2259390a8c8fSRaja Mani 22606821d4f0SNaveen Gangadharan if (!test_bit(NETDEV_MCAST_ALL_OFF, &vif->flags) && 22616821d4f0SNaveen Gangadharan test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER, 22626821d4f0SNaveen Gangadharan ar->fw_capabilities)) { 22636251d801SNaveen Gangadharan ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi, 22646251d801SNaveen Gangadharan vif->fw_vif_idx, true); 22656251d801SNaveen Gangadharan if (ret) 22666251d801SNaveen Gangadharan return ret; 22676251d801SNaveen Gangadharan } 22686251d801SNaveen Gangadharan 2269390a8c8fSRaja Mani netif_wake_queue(vif->ndev); 2270390a8c8fSRaja Mani 2271390a8c8fSRaja Mani return 0; 2272390a8c8fSRaja Mani } 2273390a8c8fSRaja Mani 227440abc2deSRaja Mani static int ath6kl_cfg80211_deepsleep_suspend(struct ath6kl *ar) 227540abc2deSRaja Mani { 227640abc2deSRaja Mani struct ath6kl_vif *vif; 227740abc2deSRaja Mani int ret; 227840abc2deSRaja Mani 227940abc2deSRaja Mani vif = ath6kl_vif_first(ar); 228040abc2deSRaja Mani if (!vif) 228140abc2deSRaja Mani return -EIO; 228240abc2deSRaja Mani 228348f27587SMing Jiang if (!test_bit(WMI_READY, &ar->flag)) { 228448f27587SMing Jiang ath6kl_err("deepsleep failed as wmi is not ready\n"); 228540abc2deSRaja Mani return -EIO; 228648f27587SMing Jiang } 228740abc2deSRaja Mani 228840abc2deSRaja Mani ath6kl_cfg80211_stop_all(ar); 228940abc2deSRaja Mani 229040abc2deSRaja Mani /* Save the current power mode before enabling power save */ 229140abc2deSRaja Mani ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode; 229240abc2deSRaja Mani 229340abc2deSRaja Mani ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER); 229440abc2deSRaja Mani if (ret) 229540abc2deSRaja Mani return ret; 229640abc2deSRaja Mani 229740abc2deSRaja Mani /* Disable WOW mode */ 229840abc2deSRaja Mani ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx, 229940abc2deSRaja Mani ATH6KL_WOW_MODE_DISABLE, 230040abc2deSRaja Mani 0, 0); 230140abc2deSRaja Mani if (ret) 230240abc2deSRaja Mani return ret; 230340abc2deSRaja Mani 230440abc2deSRaja Mani /* Flush all non control pkts in TX path */ 230540abc2deSRaja Mani ath6kl_tx_data_cleanup(ar); 230640abc2deSRaja Mani 230740abc2deSRaja Mani ret = ath6kl_cfg80211_host_sleep(ar, vif); 230840abc2deSRaja Mani if (ret) 230940abc2deSRaja Mani return ret; 231040abc2deSRaja Mani 231140abc2deSRaja Mani return 0; 231240abc2deSRaja Mani } 231340abc2deSRaja Mani 231440abc2deSRaja Mani static int ath6kl_cfg80211_deepsleep_resume(struct ath6kl *ar) 231540abc2deSRaja Mani { 231640abc2deSRaja Mani struct ath6kl_vif *vif; 231740abc2deSRaja Mani int ret; 231840abc2deSRaja Mani 231940abc2deSRaja Mani vif = ath6kl_vif_first(ar); 232040abc2deSRaja Mani 232140abc2deSRaja Mani if (!vif) 232240abc2deSRaja Mani return -EIO; 232340abc2deSRaja Mani 232440abc2deSRaja Mani if (ar->wmi->pwr_mode != ar->wmi->saved_pwr_mode) { 232540abc2deSRaja Mani ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, 232640abc2deSRaja Mani ar->wmi->saved_pwr_mode); 232740abc2deSRaja Mani if (ret) 232840abc2deSRaja Mani return ret; 232940abc2deSRaja Mani } 233040abc2deSRaja Mani 233140abc2deSRaja Mani ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, 233240abc2deSRaja Mani ATH6KL_HOST_MODE_AWAKE); 233340abc2deSRaja Mani if (ret) 233440abc2deSRaja Mani return ret; 233540abc2deSRaja Mani 233640abc2deSRaja Mani ar->state = ATH6KL_STATE_ON; 233740abc2deSRaja Mani 233840abc2deSRaja Mani /* Reset scan parameter to default values */ 233940abc2deSRaja Mani ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 234040abc2deSRaja Mani 0, 0, 0, 0, 0, 0, 3, 0, 0, 0); 234140abc2deSRaja Mani if (ret) 234240abc2deSRaja Mani return ret; 234340abc2deSRaja Mani 234440abc2deSRaja Mani return 0; 234540abc2deSRaja Mani } 234640abc2deSRaja Mani 234752d81a68SKalle Valo int ath6kl_cfg80211_suspend(struct ath6kl *ar, 23480f60e9f4SRaja Mani enum ath6kl_cfg_suspend_mode mode, 23490f60e9f4SRaja Mani struct cfg80211_wowlan *wow) 235052d81a68SKalle Valo { 23513d79499cSVivek Natarajan struct ath6kl_vif *vif; 2352390a8c8fSRaja Mani enum ath6kl_state prev_state; 235352d81a68SKalle Valo int ret; 235452d81a68SKalle Valo 235552d81a68SKalle Valo switch (mode) { 2356d7c44e0bSRaja Mani case ATH6KL_CFG_SUSPEND_WOW: 2357d7c44e0bSRaja Mani 2358d7c44e0bSRaja Mani ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode suspend\n"); 2359d7c44e0bSRaja Mani 2360d7c44e0bSRaja Mani /* Flush all non control pkts in TX path */ 2361d7c44e0bSRaja Mani ath6kl_tx_data_cleanup(ar); 2362d7c44e0bSRaja Mani 2363390a8c8fSRaja Mani prev_state = ar->state; 2364390a8c8fSRaja Mani 2365d7c44e0bSRaja Mani ret = ath6kl_wow_suspend(ar, wow); 2366390a8c8fSRaja Mani if (ret) { 2367390a8c8fSRaja Mani ar->state = prev_state; 2368d7c44e0bSRaja Mani return ret; 2369390a8c8fSRaja Mani } 23701e9a905dSRaja Mani 2371d7c44e0bSRaja Mani ar->state = ATH6KL_STATE_WOW; 2372d7c44e0bSRaja Mani break; 2373d7c44e0bSRaja Mani 237452d81a68SKalle Valo case ATH6KL_CFG_SUSPEND_DEEPSLEEP: 2375524441e3SRaja Mani 237640abc2deSRaja Mani ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep suspend\n"); 2377524441e3SRaja Mani 237840abc2deSRaja Mani ret = ath6kl_cfg80211_deepsleep_suspend(ar); 237952d81a68SKalle Valo if (ret) { 238040abc2deSRaja Mani ath6kl_err("deepsleep suspend failed: %d\n", ret); 238140abc2deSRaja Mani return ret; 238252d81a68SKalle Valo } 238352d81a68SKalle Valo 238476a9fbe2SKalle Valo ar->state = ATH6KL_STATE_DEEPSLEEP; 238576a9fbe2SKalle Valo 238652d81a68SKalle Valo break; 2387b4b2a0b1SKalle Valo 2388b4b2a0b1SKalle Valo case ATH6KL_CFG_SUSPEND_CUTPOWER: 2389524441e3SRaja Mani 23907125f01dSKalle Valo ath6kl_cfg80211_stop_all(ar); 2391524441e3SRaja Mani 2392b4b2a0b1SKalle Valo if (ar->state == ATH6KL_STATE_OFF) { 2393b4b2a0b1SKalle Valo ath6kl_dbg(ATH6KL_DBG_SUSPEND, 2394b4b2a0b1SKalle Valo "suspend hw off, no action for cutpower\n"); 2395b4b2a0b1SKalle Valo break; 2396b4b2a0b1SKalle Valo } 2397b4b2a0b1SKalle Valo 2398b4b2a0b1SKalle Valo ath6kl_dbg(ATH6KL_DBG_SUSPEND, "suspend cutting power\n"); 2399b4b2a0b1SKalle Valo 2400b4b2a0b1SKalle Valo ret = ath6kl_init_hw_stop(ar); 2401b4b2a0b1SKalle Valo if (ret) { 2402b4b2a0b1SKalle Valo ath6kl_warn("failed to stop hw during suspend: %d\n", 2403b4b2a0b1SKalle Valo ret); 2404b4b2a0b1SKalle Valo } 2405b4b2a0b1SKalle Valo 2406b4b2a0b1SKalle Valo ar->state = ATH6KL_STATE_CUTPOWER; 2407b4b2a0b1SKalle Valo 2408b4b2a0b1SKalle Valo break; 2409b4b2a0b1SKalle Valo 241010509f90SKalle Valo case ATH6KL_CFG_SUSPEND_SCHED_SCAN: 241110509f90SKalle Valo /* 241210509f90SKalle Valo * Nothing needed for schedule scan, firmware is already in 241310509f90SKalle Valo * wow mode and sleeping most of the time. 241410509f90SKalle Valo */ 241510509f90SKalle Valo break; 241610509f90SKalle Valo 2417b4b2a0b1SKalle Valo default: 2418b4b2a0b1SKalle Valo break; 241952d81a68SKalle Valo } 242052d81a68SKalle Valo 24213d79499cSVivek Natarajan list_for_each_entry(vif, &ar->vif_list, list) 24223d79499cSVivek Natarajan ath6kl_cfg80211_scan_complete_event(vif, true); 24233d79499cSVivek Natarajan 242452d81a68SKalle Valo return 0; 242552d81a68SKalle Valo } 2426d6a434d6SKalle Valo EXPORT_SYMBOL(ath6kl_cfg80211_suspend); 242752d81a68SKalle Valo 242852d81a68SKalle Valo int ath6kl_cfg80211_resume(struct ath6kl *ar) 242952d81a68SKalle Valo { 243076a9fbe2SKalle Valo int ret; 243176a9fbe2SKalle Valo 243276a9fbe2SKalle Valo switch (ar->state) { 2433d7c44e0bSRaja Mani case ATH6KL_STATE_WOW: 2434d7c44e0bSRaja Mani ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode resume\n"); 2435d7c44e0bSRaja Mani 2436d7c44e0bSRaja Mani ret = ath6kl_wow_resume(ar); 2437d7c44e0bSRaja Mani if (ret) { 2438d7c44e0bSRaja Mani ath6kl_warn("wow mode resume failed: %d\n", ret); 2439d7c44e0bSRaja Mani return ret; 2440d7c44e0bSRaja Mani } 2441d7c44e0bSRaja Mani 2442d7c44e0bSRaja Mani break; 2443d7c44e0bSRaja Mani 244476a9fbe2SKalle Valo case ATH6KL_STATE_DEEPSLEEP: 244540abc2deSRaja Mani ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep resume\n"); 244640abc2deSRaja Mani 244740abc2deSRaja Mani ret = ath6kl_cfg80211_deepsleep_resume(ar); 244876a9fbe2SKalle Valo if (ret) { 244940abc2deSRaja Mani ath6kl_warn("deep sleep resume failed: %d\n", ret); 245040abc2deSRaja Mani return ret; 245176a9fbe2SKalle Valo } 245276a9fbe2SKalle Valo break; 245376a9fbe2SKalle Valo 2454b4b2a0b1SKalle Valo case ATH6KL_STATE_CUTPOWER: 2455b4b2a0b1SKalle Valo ath6kl_dbg(ATH6KL_DBG_SUSPEND, "resume restoring power\n"); 2456b4b2a0b1SKalle Valo 2457b4b2a0b1SKalle Valo ret = ath6kl_init_hw_start(ar); 2458b4b2a0b1SKalle Valo if (ret) { 2459b4b2a0b1SKalle Valo ath6kl_warn("Failed to boot hw in resume: %d\n", ret); 2460b4b2a0b1SKalle Valo return ret; 2461b4b2a0b1SKalle Valo } 2462d7c44e0bSRaja Mani break; 2463b4b2a0b1SKalle Valo 246410509f90SKalle Valo case ATH6KL_STATE_SCHED_SCAN: 246510509f90SKalle Valo break; 246610509f90SKalle Valo 246776a9fbe2SKalle Valo default: 246876a9fbe2SKalle Valo break; 246952d81a68SKalle Valo } 247052d81a68SKalle Valo 247152d81a68SKalle Valo return 0; 247252d81a68SKalle Valo } 2473d6a434d6SKalle Valo EXPORT_SYMBOL(ath6kl_cfg80211_resume); 247452d81a68SKalle Valo 2475abcb344bSKalle Valo #ifdef CONFIG_PM 247652d81a68SKalle Valo 247752d81a68SKalle Valo /* hif layer decides what suspend mode to use */ 247852d81a68SKalle Valo static int __ath6kl_cfg80211_suspend(struct wiphy *wiphy, 2479abcb344bSKalle Valo struct cfg80211_wowlan *wow) 2480abcb344bSKalle Valo { 2481abcb344bSKalle Valo struct ath6kl *ar = wiphy_priv(wiphy); 2482abcb344bSKalle Valo 24830f60e9f4SRaja Mani return ath6kl_hif_suspend(ar, wow); 2484abcb344bSKalle Valo } 2485aa6cffc1SChilam Ng 248652d81a68SKalle Valo static int __ath6kl_cfg80211_resume(struct wiphy *wiphy) 2487aa6cffc1SChilam Ng { 2488aa6cffc1SChilam Ng struct ath6kl *ar = wiphy_priv(wiphy); 2489aa6cffc1SChilam Ng 2490aa6cffc1SChilam Ng return ath6kl_hif_resume(ar); 2491aa6cffc1SChilam Ng } 2492a918fb3cSRaja Mani 2493a918fb3cSRaja Mani /* 2494a918fb3cSRaja Mani * FIXME: WOW suspend mode is selected if the host sdio controller supports 2495a918fb3cSRaja Mani * both sdio irq wake up and keep power. The target pulls sdio data line to 2496a918fb3cSRaja Mani * wake up the host when WOW pattern matches. This causes sdio irq handler 2497a918fb3cSRaja Mani * is being called in the host side which internally hits ath6kl's RX path. 2498a918fb3cSRaja Mani * 2499a918fb3cSRaja Mani * Since sdio interrupt is not disabled, RX path executes even before 2500a918fb3cSRaja Mani * the host executes the actual resume operation from PM module. 2501a918fb3cSRaja Mani * 2502a918fb3cSRaja Mani * In the current scenario, WOW resume should happen before start processing 2503a918fb3cSRaja Mani * any data from the target. So It's required to perform WOW resume in RX path. 2504a918fb3cSRaja Mani * Ideally we should perform WOW resume only in the actual platform 2505a918fb3cSRaja Mani * resume path. This area needs bit rework to avoid WOW resume in RX path. 2506a918fb3cSRaja Mani * 2507a918fb3cSRaja Mani * ath6kl_check_wow_status() is called from ath6kl_rx(). 2508a918fb3cSRaja Mani */ 2509a918fb3cSRaja Mani void ath6kl_check_wow_status(struct ath6kl *ar) 2510a918fb3cSRaja Mani { 2511390a8c8fSRaja Mani if (ar->state == ATH6KL_STATE_SUSPENDING) 2512390a8c8fSRaja Mani return; 2513390a8c8fSRaja Mani 2514a918fb3cSRaja Mani if (ar->state == ATH6KL_STATE_WOW) 2515a918fb3cSRaja Mani ath6kl_cfg80211_resume(ar); 2516a918fb3cSRaja Mani } 2517a918fb3cSRaja Mani 2518a918fb3cSRaja Mani #else 2519a918fb3cSRaja Mani 2520a918fb3cSRaja Mani void ath6kl_check_wow_status(struct ath6kl *ar) 2521a918fb3cSRaja Mani { 2522a918fb3cSRaja Mani } 2523abcb344bSKalle Valo #endif 2524abcb344bSKalle Valo 2525df90b369SVasanthakumar Thiagarajan static int ath6kl_set_htcap(struct ath6kl_vif *vif, enum ieee80211_band band, 2526df90b369SVasanthakumar Thiagarajan bool ht_enable) 25276a7c9badSJouni Malinen { 252867b3f129SKiran Reddy struct ath6kl_htcap *htcap = &vif->htcap[band]; 2529e68f6750SSujith Manoharan 2530df90b369SVasanthakumar Thiagarajan if (htcap->ht_enable == ht_enable) 25316a7c9badSJouni Malinen return 0; 2532df90b369SVasanthakumar Thiagarajan 2533df90b369SVasanthakumar Thiagarajan if (ht_enable) { 2534df90b369SVasanthakumar Thiagarajan /* Set default ht capabilities */ 2535df90b369SVasanthakumar Thiagarajan htcap->ht_enable = true; 2536df90b369SVasanthakumar Thiagarajan htcap->cap_info = (band == IEEE80211_BAND_2GHZ) ? 2537df90b369SVasanthakumar Thiagarajan ath6kl_g_htcap : ath6kl_a_htcap; 2538df90b369SVasanthakumar Thiagarajan htcap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K; 2539df90b369SVasanthakumar Thiagarajan } else /* Disable ht */ 2540df90b369SVasanthakumar Thiagarajan memset(htcap, 0, sizeof(*htcap)); 2541df90b369SVasanthakumar Thiagarajan 2542df90b369SVasanthakumar Thiagarajan return ath6kl_wmi_set_htcap_cmd(vif->ar->wmi, vif->fw_vif_idx, 2543df90b369SVasanthakumar Thiagarajan band, htcap); 25446a7c9badSJouni Malinen } 25456a7c9badSJouni Malinen 254637a2f950SThomas Pedersen static int ath6kl_restore_htcap(struct ath6kl_vif *vif) 254737a2f950SThomas Pedersen { 254837a2f950SThomas Pedersen struct wiphy *wiphy = vif->ar->wiphy; 254937a2f950SThomas Pedersen int band, ret = 0; 255037a2f950SThomas Pedersen 255137a2f950SThomas Pedersen for (band = 0; band < IEEE80211_NUM_BANDS; band++) { 255237a2f950SThomas Pedersen if (!wiphy->bands[band]) 255337a2f950SThomas Pedersen continue; 255437a2f950SThomas Pedersen 255537a2f950SThomas Pedersen ret = ath6kl_set_htcap(vif, band, 255637a2f950SThomas Pedersen wiphy->bands[band]->ht_cap.ht_supported); 255737a2f950SThomas Pedersen if (ret) 255837a2f950SThomas Pedersen return ret; 255937a2f950SThomas Pedersen } 256037a2f950SThomas Pedersen 256137a2f950SThomas Pedersen return ret; 256237a2f950SThomas Pedersen } 256337a2f950SThomas Pedersen 25648bdfbf40SJouni Malinen static bool ath6kl_is_p2p_ie(const u8 *pos) 25658bdfbf40SJouni Malinen { 25668bdfbf40SJouni Malinen return pos[0] == WLAN_EID_VENDOR_SPECIFIC && pos[1] >= 4 && 25678bdfbf40SJouni Malinen pos[2] == 0x50 && pos[3] == 0x6f && 25688bdfbf40SJouni Malinen pos[4] == 0x9a && pos[5] == 0x09; 25698bdfbf40SJouni Malinen } 25708bdfbf40SJouni Malinen 2571334234b5SVasanthakumar Thiagarajan static int ath6kl_set_ap_probe_resp_ies(struct ath6kl_vif *vif, 2572334234b5SVasanthakumar Thiagarajan const u8 *ies, size_t ies_len) 25738bdfbf40SJouni Malinen { 2574334234b5SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 25758bdfbf40SJouni Malinen const u8 *pos; 25768bdfbf40SJouni Malinen u8 *buf = NULL; 25778bdfbf40SJouni Malinen size_t len = 0; 25788bdfbf40SJouni Malinen int ret; 25798bdfbf40SJouni Malinen 25808bdfbf40SJouni Malinen /* 25818bdfbf40SJouni Malinen * Filter out P2P IE(s) since they will be included depending on 25828bdfbf40SJouni Malinen * the Probe Request frame in ath6kl_send_go_probe_resp(). 25838bdfbf40SJouni Malinen */ 25848bdfbf40SJouni Malinen 25858bdfbf40SJouni Malinen if (ies && ies_len) { 25868bdfbf40SJouni Malinen buf = kmalloc(ies_len, GFP_KERNEL); 25878bdfbf40SJouni Malinen if (buf == NULL) 25888bdfbf40SJouni Malinen return -ENOMEM; 25898bdfbf40SJouni Malinen pos = ies; 25908bdfbf40SJouni Malinen while (pos + 1 < ies + ies_len) { 25918bdfbf40SJouni Malinen if (pos + 2 + pos[1] > ies + ies_len) 25928bdfbf40SJouni Malinen break; 25938bdfbf40SJouni Malinen if (!ath6kl_is_p2p_ie(pos)) { 25948bdfbf40SJouni Malinen memcpy(buf + len, pos, 2 + pos[1]); 25958bdfbf40SJouni Malinen len += 2 + pos[1]; 25968bdfbf40SJouni Malinen } 25978bdfbf40SJouni Malinen pos += 2 + pos[1]; 25988bdfbf40SJouni Malinen } 25998bdfbf40SJouni Malinen } 26008bdfbf40SJouni Malinen 2601334234b5SVasanthakumar Thiagarajan ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 2602334234b5SVasanthakumar Thiagarajan WMI_FRAME_PROBE_RESP, buf, len); 26038bdfbf40SJouni Malinen kfree(buf); 26048bdfbf40SJouni Malinen return ret; 26058bdfbf40SJouni Malinen } 26068bdfbf40SJouni Malinen 26078860020eSJohannes Berg static int ath6kl_set_ies(struct ath6kl_vif *vif, 26088860020eSJohannes Berg struct cfg80211_beacon_data *info) 26098860020eSJohannes Berg { 26108860020eSJohannes Berg struct ath6kl *ar = vif->ar; 26118860020eSJohannes Berg int res; 26128860020eSJohannes Berg 261317a7b16dSAarthi Thiruvengadam /* this also clears IE in fw if it's not set */ 26148860020eSJohannes Berg res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 26158860020eSJohannes Berg WMI_FRAME_BEACON, 26168860020eSJohannes Berg info->beacon_ies, 26178860020eSJohannes Berg info->beacon_ies_len); 26188860020eSJohannes Berg if (res) 26198860020eSJohannes Berg return res; 26208860020eSJohannes Berg 262117a7b16dSAarthi Thiruvengadam /* this also clears IE in fw if it's not set */ 26228860020eSJohannes Berg res = ath6kl_set_ap_probe_resp_ies(vif, info->proberesp_ies, 26238860020eSJohannes Berg info->proberesp_ies_len); 26248860020eSJohannes Berg if (res) 26258860020eSJohannes Berg return res; 26268860020eSJohannes Berg 262717a7b16dSAarthi Thiruvengadam /* this also clears IE in fw if it's not set */ 26288860020eSJohannes Berg res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 26298860020eSJohannes Berg WMI_FRAME_ASSOC_RESP, 26308860020eSJohannes Berg info->assocresp_ies, 26318860020eSJohannes Berg info->assocresp_ies_len); 26328860020eSJohannes Berg if (res) 26338860020eSJohannes Berg return res; 26348860020eSJohannes Berg 26358860020eSJohannes Berg return 0; 26368860020eSJohannes Berg } 26378860020eSJohannes Berg 2638c422d52dSThomas Pedersen void ath6kl_cfg80211_sta_bmiss_enhance(struct ath6kl_vif *vif, bool enable) 2639c422d52dSThomas Pedersen { 2640c422d52dSThomas Pedersen int err; 2641c422d52dSThomas Pedersen 2642c422d52dSThomas Pedersen if (WARN_ON(!test_bit(WMI_READY, &vif->ar->flag))) 2643c422d52dSThomas Pedersen return; 2644c422d52dSThomas Pedersen 2645c422d52dSThomas Pedersen if (vif->nw_type != INFRA_NETWORK) 2646c422d52dSThomas Pedersen return; 2647c422d52dSThomas Pedersen 2648c422d52dSThomas Pedersen if (!test_bit(ATH6KL_FW_CAPABILITY_BMISS_ENHANCE, 2649c422d52dSThomas Pedersen vif->ar->fw_capabilities)) 2650c422d52dSThomas Pedersen return; 2651c422d52dSThomas Pedersen 2652c422d52dSThomas Pedersen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s fw bmiss enhance\n", 2653c422d52dSThomas Pedersen enable ? "enable" : "disable"); 2654c422d52dSThomas Pedersen 2655c422d52dSThomas Pedersen err = ath6kl_wmi_sta_bmiss_enhance_cmd(vif->ar->wmi, 2656c422d52dSThomas Pedersen vif->fw_vif_idx, enable); 2657c422d52dSThomas Pedersen if (err) 2658c422d52dSThomas Pedersen ath6kl_err("failed to %s enhanced bmiss detection: %d\n", 2659c422d52dSThomas Pedersen enable ? "enable" : "disable", err); 2660c422d52dSThomas Pedersen } 2661c422d52dSThomas Pedersen 2662d97c121bSVasanthakumar Thiagarajan static int ath6kl_get_rsn_capab(struct cfg80211_beacon_data *beacon, 2663d97c121bSVasanthakumar Thiagarajan u8 *rsn_capab) 2664d97c121bSVasanthakumar Thiagarajan { 2665d97c121bSVasanthakumar Thiagarajan const u8 *rsn_ie; 2666d97c121bSVasanthakumar Thiagarajan size_t rsn_ie_len; 2667d97c121bSVasanthakumar Thiagarajan u16 cnt; 2668d97c121bSVasanthakumar Thiagarajan 2669d97c121bSVasanthakumar Thiagarajan if (!beacon->tail) 2670d97c121bSVasanthakumar Thiagarajan return -EINVAL; 2671d97c121bSVasanthakumar Thiagarajan 2672d97c121bSVasanthakumar Thiagarajan rsn_ie = cfg80211_find_ie(WLAN_EID_RSN, beacon->tail, beacon->tail_len); 2673d97c121bSVasanthakumar Thiagarajan if (!rsn_ie) 2674d97c121bSVasanthakumar Thiagarajan return -EINVAL; 2675d97c121bSVasanthakumar Thiagarajan 2676d97c121bSVasanthakumar Thiagarajan rsn_ie_len = *(rsn_ie + 1); 2677d97c121bSVasanthakumar Thiagarajan /* skip element id and length */ 2678d97c121bSVasanthakumar Thiagarajan rsn_ie += 2; 2679d97c121bSVasanthakumar Thiagarajan 26809e8b16dbSVasanthakumar Thiagarajan /* skip version */ 26819e8b16dbSVasanthakumar Thiagarajan if (rsn_ie_len < 2) 2682d97c121bSVasanthakumar Thiagarajan return -EINVAL; 26839e8b16dbSVasanthakumar Thiagarajan rsn_ie += 2; 26849e8b16dbSVasanthakumar Thiagarajan rsn_ie_len -= 2; 26859e8b16dbSVasanthakumar Thiagarajan 26869e8b16dbSVasanthakumar Thiagarajan /* skip group cipher suite */ 26879e8b16dbSVasanthakumar Thiagarajan if (rsn_ie_len < 4) 26889e8b16dbSVasanthakumar Thiagarajan return 0; 26899e8b16dbSVasanthakumar Thiagarajan rsn_ie += 4; 26909e8b16dbSVasanthakumar Thiagarajan rsn_ie_len -= 4; 2691d97c121bSVasanthakumar Thiagarajan 2692d97c121bSVasanthakumar Thiagarajan /* skip pairwise cipher suite */ 2693d97c121bSVasanthakumar Thiagarajan if (rsn_ie_len < 2) 26949e8b16dbSVasanthakumar Thiagarajan return 0; 2695798985c6SVasanthakumar Thiagarajan cnt = get_unaligned_le16(rsn_ie); 2696d97c121bSVasanthakumar Thiagarajan rsn_ie += (2 + cnt * 4); 2697d97c121bSVasanthakumar Thiagarajan rsn_ie_len -= (2 + cnt * 4); 2698d97c121bSVasanthakumar Thiagarajan 2699d97c121bSVasanthakumar Thiagarajan /* skip akm suite */ 2700d97c121bSVasanthakumar Thiagarajan if (rsn_ie_len < 2) 27019e8b16dbSVasanthakumar Thiagarajan return 0; 2702798985c6SVasanthakumar Thiagarajan cnt = get_unaligned_le16(rsn_ie); 2703d97c121bSVasanthakumar Thiagarajan rsn_ie += (2 + cnt * 4); 2704d97c121bSVasanthakumar Thiagarajan rsn_ie_len -= (2 + cnt * 4); 2705d97c121bSVasanthakumar Thiagarajan 2706d97c121bSVasanthakumar Thiagarajan if (rsn_ie_len < 2) 27079e8b16dbSVasanthakumar Thiagarajan return 0; 2708d97c121bSVasanthakumar Thiagarajan 2709d97c121bSVasanthakumar Thiagarajan memcpy(rsn_capab, rsn_ie, 2); 2710d97c121bSVasanthakumar Thiagarajan 2711d97c121bSVasanthakumar Thiagarajan return 0; 2712d97c121bSVasanthakumar Thiagarajan } 2713d97c121bSVasanthakumar Thiagarajan 27148860020eSJohannes Berg static int ath6kl_start_ap(struct wiphy *wiphy, struct net_device *dev, 27158860020eSJohannes Berg struct cfg80211_ap_settings *info) 27166a7c9badSJouni Malinen { 27176a7c9badSJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 27183450334fSVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 27196a7c9badSJouni Malinen struct ieee80211_mgmt *mgmt; 272067cd22e4SThomas Pedersen bool hidden = false; 27216a7c9badSJouni Malinen u8 *ies; 27226a7c9badSJouni Malinen int ies_len; 27236a7c9badSJouni Malinen struct wmi_connect_cmd p; 27246a7c9badSJouni Malinen int res; 2725be5abaafSVasanthakumar Thiagarajan int i, ret; 2726d97c121bSVasanthakumar Thiagarajan u16 rsn_capab = 0; 27276a7c9badSJouni Malinen 27288860020eSJohannes Berg ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s:\n", __func__); 27296a7c9badSJouni Malinen 2730990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 27316a7c9badSJouni Malinen return -EIO; 27326a7c9badSJouni Malinen 2733f5938f24SVasanthakumar Thiagarajan if (vif->next_mode != AP_NETWORK) 27346a7c9badSJouni Malinen return -EOPNOTSUPP; 27356a7c9badSJouni Malinen 27368860020eSJohannes Berg res = ath6kl_set_ies(vif, &info->beacon); 27376a7c9badSJouni Malinen 27389a5b1318SJouni Malinen ar->ap_mode_bkey.valid = false; 27399a5b1318SJouni Malinen 27406a7c9badSJouni Malinen /* TODO: 27416a7c9badSJouni Malinen * info->interval 27426a7c9badSJouni Malinen */ 27436a7c9badSJouni Malinen 2744d154f32eSEtay Luz ret = ath6kl_wmi_ap_set_dtim_cmd(ar->wmi, vif->fw_vif_idx, 2745d154f32eSEtay Luz info->dtim_period); 2746d154f32eSEtay Luz 2747d154f32eSEtay Luz /* ignore error, just print a warning and continue normally */ 2748d154f32eSEtay Luz if (ret) 2749d154f32eSEtay Luz ath6kl_warn("Failed to set dtim_period in beacon: %d\n", ret); 2750d154f32eSEtay Luz 27518860020eSJohannes Berg if (info->beacon.head == NULL) 27526a7c9badSJouni Malinen return -EINVAL; 27538860020eSJohannes Berg mgmt = (struct ieee80211_mgmt *) info->beacon.head; 27546a7c9badSJouni Malinen ies = mgmt->u.beacon.variable; 27558860020eSJohannes Berg if (ies > info->beacon.head + info->beacon.head_len) 27566a7c9badSJouni Malinen return -EINVAL; 27578860020eSJohannes Berg ies_len = info->beacon.head + info->beacon.head_len - ies; 27586a7c9badSJouni Malinen 27596a7c9badSJouni Malinen if (info->ssid == NULL) 27606a7c9badSJouni Malinen return -EINVAL; 27613450334fSVasanthakumar Thiagarajan memcpy(vif->ssid, info->ssid, info->ssid_len); 27623450334fSVasanthakumar Thiagarajan vif->ssid_len = info->ssid_len; 27636a7c9badSJouni Malinen if (info->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE) 276467cd22e4SThomas Pedersen hidden = true; 276567cd22e4SThomas Pedersen 276667cd22e4SThomas Pedersen res = ath6kl_wmi_ap_hidden_ssid(ar->wmi, vif->fw_vif_idx, hidden); 276767cd22e4SThomas Pedersen if (res) 276867cd22e4SThomas Pedersen return res; 27696a7c9badSJouni Malinen 2770be5abaafSVasanthakumar Thiagarajan ret = ath6kl_set_auth_type(vif, info->auth_type); 2771be5abaafSVasanthakumar Thiagarajan if (ret) 2772be5abaafSVasanthakumar Thiagarajan return ret; 27736a7c9badSJouni Malinen 27746a7c9badSJouni Malinen memset(&p, 0, sizeof(p)); 27756a7c9badSJouni Malinen 27766a7c9badSJouni Malinen for (i = 0; i < info->crypto.n_akm_suites; i++) { 27776a7c9badSJouni Malinen switch (info->crypto.akm_suites[i]) { 27786a7c9badSJouni Malinen case WLAN_AKM_SUITE_8021X: 27796a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1) 27806a7c9badSJouni Malinen p.auth_mode |= WPA_AUTH; 27816a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2) 27826a7c9badSJouni Malinen p.auth_mode |= WPA2_AUTH; 27836a7c9badSJouni Malinen break; 27846a7c9badSJouni Malinen case WLAN_AKM_SUITE_PSK: 27856a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1) 27866a7c9badSJouni Malinen p.auth_mode |= WPA_PSK_AUTH; 27876a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2) 27886a7c9badSJouni Malinen p.auth_mode |= WPA2_PSK_AUTH; 27896a7c9badSJouni Malinen break; 27906a7c9badSJouni Malinen } 27916a7c9badSJouni Malinen } 27926a7c9badSJouni Malinen if (p.auth_mode == 0) 27936a7c9badSJouni Malinen p.auth_mode = NONE_AUTH; 27943450334fSVasanthakumar Thiagarajan vif->auth_mode = p.auth_mode; 27956a7c9badSJouni Malinen 27966a7c9badSJouni Malinen for (i = 0; i < info->crypto.n_ciphers_pairwise; i++) { 27976a7c9badSJouni Malinen switch (info->crypto.ciphers_pairwise[i]) { 27986a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP40: 27996a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP104: 28006a7c9badSJouni Malinen p.prwise_crypto_type |= WEP_CRYPT; 28016a7c9badSJouni Malinen break; 28026a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_TKIP: 28036a7c9badSJouni Malinen p.prwise_crypto_type |= TKIP_CRYPT; 28046a7c9badSJouni Malinen break; 28056a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_CCMP: 28066a7c9badSJouni Malinen p.prwise_crypto_type |= AES_CRYPT; 28076a7c9badSJouni Malinen break; 2808b8214df1SDai Shuibing case WLAN_CIPHER_SUITE_SMS4: 2809b8214df1SDai Shuibing p.prwise_crypto_type |= WAPI_CRYPT; 2810b8214df1SDai Shuibing break; 28116a7c9badSJouni Malinen } 28126a7c9badSJouni Malinen } 2813229ed6b5SEdward Lu if (p.prwise_crypto_type == 0) { 28146a7c9badSJouni Malinen p.prwise_crypto_type = NONE_CRYPT; 2815240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, 0, true); 2816229ed6b5SEdward Lu } else if (info->crypto.n_ciphers_pairwise == 1) 2817240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, info->crypto.ciphers_pairwise[0], true); 28186a7c9badSJouni Malinen 28196a7c9badSJouni Malinen switch (info->crypto.cipher_group) { 28206a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP40: 28216a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP104: 28226a7c9badSJouni Malinen p.grp_crypto_type = WEP_CRYPT; 28236a7c9badSJouni Malinen break; 28246a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_TKIP: 28256a7c9badSJouni Malinen p.grp_crypto_type = TKIP_CRYPT; 28266a7c9badSJouni Malinen break; 28276a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_CCMP: 28286a7c9badSJouni Malinen p.grp_crypto_type = AES_CRYPT; 28296a7c9badSJouni Malinen break; 2830b8214df1SDai Shuibing case WLAN_CIPHER_SUITE_SMS4: 2831b8214df1SDai Shuibing p.grp_crypto_type = WAPI_CRYPT; 2832b8214df1SDai Shuibing break; 28336a7c9badSJouni Malinen default: 28346a7c9badSJouni Malinen p.grp_crypto_type = NONE_CRYPT; 28356a7c9badSJouni Malinen break; 28366a7c9badSJouni Malinen } 2837240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, info->crypto.cipher_group, false); 28386a7c9badSJouni Malinen 28396a7c9badSJouni Malinen p.nw_type = AP_NETWORK; 2840f5938f24SVasanthakumar Thiagarajan vif->nw_type = vif->next_mode; 28416a7c9badSJouni Malinen 28423450334fSVasanthakumar Thiagarajan p.ssid_len = vif->ssid_len; 28433450334fSVasanthakumar Thiagarajan memcpy(p.ssid, vif->ssid, vif->ssid_len); 28443450334fSVasanthakumar Thiagarajan p.dot11_auth_mode = vif->dot11_auth_mode; 2845aa430da4SJohannes Berg p.ch = cpu_to_le16(info->channel->center_freq); 28466a7c9badSJouni Malinen 2847c1762a3fSThirumalai Pachamuthu /* Enable uAPSD support by default */ 2848c1762a3fSThirumalai Pachamuthu res = ath6kl_wmi_ap_set_apsd(ar->wmi, vif->fw_vif_idx, true); 2849c1762a3fSThirumalai Pachamuthu if (res < 0) 2850c1762a3fSThirumalai Pachamuthu return res; 2851c1762a3fSThirumalai Pachamuthu 28523ca9d1fcSAarthi Thiruvengadam if (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO) { 28533ca9d1fcSAarthi Thiruvengadam p.nw_subtype = SUBTYPE_P2PGO; 28543ca9d1fcSAarthi Thiruvengadam } else { 28553ca9d1fcSAarthi Thiruvengadam /* 28563ca9d1fcSAarthi Thiruvengadam * Due to firmware limitation, it is not possible to 28573ca9d1fcSAarthi Thiruvengadam * do P2P mgmt operations in AP mode 28583ca9d1fcSAarthi Thiruvengadam */ 28593ca9d1fcSAarthi Thiruvengadam p.nw_subtype = SUBTYPE_NONE; 28603ca9d1fcSAarthi Thiruvengadam } 28613ca9d1fcSAarthi Thiruvengadam 286203bdeb0dSVasanthakumar Thiagarajan if (info->inactivity_timeout) { 286303bdeb0dSVasanthakumar Thiagarajan res = ath6kl_wmi_set_inact_period(ar->wmi, vif->fw_vif_idx, 286403bdeb0dSVasanthakumar Thiagarajan info->inactivity_timeout); 286503bdeb0dSVasanthakumar Thiagarajan if (res < 0) 286603bdeb0dSVasanthakumar Thiagarajan return res; 286703bdeb0dSVasanthakumar Thiagarajan } 286803bdeb0dSVasanthakumar Thiagarajan 2869aa430da4SJohannes Berg if (ath6kl_set_htcap(vif, info->channel->band, 2870aa430da4SJohannes Berg info->channel_type != NL80211_CHAN_NO_HT)) 2871df90b369SVasanthakumar Thiagarajan return -EIO; 2872df90b369SVasanthakumar Thiagarajan 2873d97c121bSVasanthakumar Thiagarajan /* 2874d97c121bSVasanthakumar Thiagarajan * Get the PTKSA replay counter in the RSN IE. Supplicant 2875d97c121bSVasanthakumar Thiagarajan * will use the RSN IE in M3 message and firmware has to 2876d97c121bSVasanthakumar Thiagarajan * advertise the same in beacon/probe response. Send 2877d97c121bSVasanthakumar Thiagarajan * the complete RSN IE capability field to firmware 2878d97c121bSVasanthakumar Thiagarajan */ 2879d97c121bSVasanthakumar Thiagarajan if (!ath6kl_get_rsn_capab(&info->beacon, (u8 *) &rsn_capab) && 2880d97c121bSVasanthakumar Thiagarajan test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE, 2881d97c121bSVasanthakumar Thiagarajan ar->fw_capabilities)) { 2882d97c121bSVasanthakumar Thiagarajan res = ath6kl_wmi_set_ie_cmd(ar->wmi, vif->fw_vif_idx, 2883d97c121bSVasanthakumar Thiagarajan WLAN_EID_RSN, WMI_RSN_IE_CAPB, 2884d97c121bSVasanthakumar Thiagarajan (const u8 *) &rsn_capab, 2885d97c121bSVasanthakumar Thiagarajan sizeof(rsn_capab)); 2886d97c121bSVasanthakumar Thiagarajan if (res < 0) 2887d97c121bSVasanthakumar Thiagarajan return res; 2888d97c121bSVasanthakumar Thiagarajan } 2889d97c121bSVasanthakumar Thiagarajan 2890c4f7863eSThomas Pedersen memcpy(&vif->profile, &p, sizeof(p)); 2891334234b5SVasanthakumar Thiagarajan res = ath6kl_wmi_ap_profile_commit(ar->wmi, vif->fw_vif_idx, &p); 28929a5b1318SJouni Malinen if (res < 0) 28939a5b1318SJouni Malinen return res; 28949a5b1318SJouni Malinen 28959a5b1318SJouni Malinen return 0; 28966a7c9badSJouni Malinen } 28976a7c9badSJouni Malinen 28988860020eSJohannes Berg static int ath6kl_change_beacon(struct wiphy *wiphy, struct net_device *dev, 28998860020eSJohannes Berg struct cfg80211_beacon_data *beacon) 29006a7c9badSJouni Malinen { 29018860020eSJohannes Berg struct ath6kl_vif *vif = netdev_priv(dev); 29028860020eSJohannes Berg 29038860020eSJohannes Berg if (!ath6kl_cfg80211_ready(vif)) 29048860020eSJohannes Berg return -EIO; 29058860020eSJohannes Berg 29068860020eSJohannes Berg if (vif->next_mode != AP_NETWORK) 29078860020eSJohannes Berg return -EOPNOTSUPP; 29088860020eSJohannes Berg 29098860020eSJohannes Berg return ath6kl_set_ies(vif, beacon); 29106a7c9badSJouni Malinen } 29116a7c9badSJouni Malinen 29128860020eSJohannes Berg static int ath6kl_stop_ap(struct wiphy *wiphy, struct net_device *dev) 29136a7c9badSJouni Malinen { 29146a7c9badSJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 291559c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 29166a7c9badSJouni Malinen 2917f5938f24SVasanthakumar Thiagarajan if (vif->nw_type != AP_NETWORK) 29186a7c9badSJouni Malinen return -EOPNOTSUPP; 291959c98449SVasanthakumar Thiagarajan if (!test_bit(CONNECTED, &vif->flags)) 29206a7c9badSJouni Malinen return -ENOTCONN; 29216a7c9badSJouni Malinen 2922334234b5SVasanthakumar Thiagarajan ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx); 292359c98449SVasanthakumar Thiagarajan clear_bit(CONNECTED, &vif->flags); 29246a7c9badSJouni Malinen 2925df90b369SVasanthakumar Thiagarajan /* Restore ht setting in firmware */ 292637a2f950SThomas Pedersen return ath6kl_restore_htcap(vif); 29276a7c9badSJouni Malinen } 29286a7c9badSJouni Malinen 292933e5308dSJouni Malinen static const u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; 293033e5308dSJouni Malinen 293133e5308dSJouni Malinen static int ath6kl_del_station(struct wiphy *wiphy, struct net_device *dev, 293233e5308dSJouni Malinen u8 *mac) 293333e5308dSJouni Malinen { 293433e5308dSJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 293533e5308dSJouni Malinen struct ath6kl_vif *vif = netdev_priv(dev); 293633e5308dSJouni Malinen const u8 *addr = mac ? mac : bcast_addr; 293733e5308dSJouni Malinen 293833e5308dSJouni Malinen return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, WMI_AP_DEAUTH, 293933e5308dSJouni Malinen addr, WLAN_REASON_PREV_AUTH_NOT_VALID); 294033e5308dSJouni Malinen } 294133e5308dSJouni Malinen 294223875136SJouni Malinen static int ath6kl_change_station(struct wiphy *wiphy, struct net_device *dev, 294323875136SJouni Malinen u8 *mac, struct station_parameters *params) 294423875136SJouni Malinen { 294523875136SJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 2946f5938f24SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 294723875136SJouni Malinen 2948f5938f24SVasanthakumar Thiagarajan if (vif->nw_type != AP_NETWORK) 294923875136SJouni Malinen return -EOPNOTSUPP; 295023875136SJouni Malinen 295123875136SJouni Malinen /* Use this only for authorizing/unauthorizing a station */ 295223875136SJouni Malinen if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))) 295323875136SJouni Malinen return -EOPNOTSUPP; 295423875136SJouni Malinen 295523875136SJouni Malinen if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED)) 2956334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, 2957334234b5SVasanthakumar Thiagarajan WMI_AP_MLME_AUTHORIZE, mac, 0); 2958334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, 2959334234b5SVasanthakumar Thiagarajan WMI_AP_MLME_UNAUTHORIZE, mac, 0); 296023875136SJouni Malinen } 296123875136SJouni Malinen 296263fa1e0cSJouni Malinen static int ath6kl_remain_on_channel(struct wiphy *wiphy, 296371bbc994SJohannes Berg struct wireless_dev *wdev, 296463fa1e0cSJouni Malinen struct ieee80211_channel *chan, 296563fa1e0cSJouni Malinen enum nl80211_channel_type channel_type, 296663fa1e0cSJouni Malinen unsigned int duration, 296763fa1e0cSJouni Malinen u64 *cookie) 296863fa1e0cSJouni Malinen { 296971bbc994SJohannes Berg struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); 297071bbc994SJohannes Berg struct ath6kl *ar = ath6kl_priv(vif->ndev); 29711052261eSJouni Malinen u32 id; 297263fa1e0cSJouni Malinen 297363fa1e0cSJouni Malinen /* TODO: if already pending or ongoing remain-on-channel, 297463fa1e0cSJouni Malinen * return -EBUSY */ 29751052261eSJouni Malinen id = ++vif->last_roc_id; 29761052261eSJouni Malinen if (id == 0) { 29771052261eSJouni Malinen /* Do not use 0 as the cookie value */ 29781052261eSJouni Malinen id = ++vif->last_roc_id; 29791052261eSJouni Malinen } 29801052261eSJouni Malinen *cookie = id; 298163fa1e0cSJouni Malinen 2982334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx, 2983334234b5SVasanthakumar Thiagarajan chan->center_freq, duration); 298463fa1e0cSJouni Malinen } 298563fa1e0cSJouni Malinen 298663fa1e0cSJouni Malinen static int ath6kl_cancel_remain_on_channel(struct wiphy *wiphy, 298771bbc994SJohannes Berg struct wireless_dev *wdev, 298863fa1e0cSJouni Malinen u64 cookie) 298963fa1e0cSJouni Malinen { 299071bbc994SJohannes Berg struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); 299171bbc994SJohannes Berg struct ath6kl *ar = ath6kl_priv(vif->ndev); 299263fa1e0cSJouni Malinen 29931052261eSJouni Malinen if (cookie != vif->last_roc_id) 299463fa1e0cSJouni Malinen return -ENOENT; 29951052261eSJouni Malinen vif->last_cancel_roc_id = cookie; 299663fa1e0cSJouni Malinen 2997334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_cancel_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx); 299863fa1e0cSJouni Malinen } 299963fa1e0cSJouni Malinen 3000334234b5SVasanthakumar Thiagarajan static int ath6kl_send_go_probe_resp(struct ath6kl_vif *vif, 3001334234b5SVasanthakumar Thiagarajan const u8 *buf, size_t len, 3002334234b5SVasanthakumar Thiagarajan unsigned int freq) 30038bdfbf40SJouni Malinen { 3004334234b5SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 30058bdfbf40SJouni Malinen const u8 *pos; 30068bdfbf40SJouni Malinen u8 *p2p; 30078bdfbf40SJouni Malinen int p2p_len; 30088bdfbf40SJouni Malinen int ret; 30098bdfbf40SJouni Malinen const struct ieee80211_mgmt *mgmt; 30108bdfbf40SJouni Malinen 30118bdfbf40SJouni Malinen mgmt = (const struct ieee80211_mgmt *) buf; 30128bdfbf40SJouni Malinen 30138bdfbf40SJouni Malinen /* Include P2P IE(s) from the frame generated in user space. */ 30148bdfbf40SJouni Malinen 30158bdfbf40SJouni Malinen p2p = kmalloc(len, GFP_KERNEL); 30168bdfbf40SJouni Malinen if (p2p == NULL) 30178bdfbf40SJouni Malinen return -ENOMEM; 30188bdfbf40SJouni Malinen p2p_len = 0; 30198bdfbf40SJouni Malinen 30208bdfbf40SJouni Malinen pos = mgmt->u.probe_resp.variable; 30218bdfbf40SJouni Malinen while (pos + 1 < buf + len) { 30228bdfbf40SJouni Malinen if (pos + 2 + pos[1] > buf + len) 30238bdfbf40SJouni Malinen break; 30248bdfbf40SJouni Malinen if (ath6kl_is_p2p_ie(pos)) { 30258bdfbf40SJouni Malinen memcpy(p2p + p2p_len, pos, 2 + pos[1]); 30268bdfbf40SJouni Malinen p2p_len += 2 + pos[1]; 30278bdfbf40SJouni Malinen } 30288bdfbf40SJouni Malinen pos += 2 + pos[1]; 30298bdfbf40SJouni Malinen } 30308bdfbf40SJouni Malinen 3031334234b5SVasanthakumar Thiagarajan ret = ath6kl_wmi_send_probe_response_cmd(ar->wmi, vif->fw_vif_idx, freq, 3032334234b5SVasanthakumar Thiagarajan mgmt->da, p2p, p2p_len); 30338bdfbf40SJouni Malinen kfree(p2p); 30348bdfbf40SJouni Malinen return ret; 30358bdfbf40SJouni Malinen } 30368bdfbf40SJouni Malinen 3037d0ff7383SNaveen Gangadharan static bool ath6kl_mgmt_powersave_ap(struct ath6kl_vif *vif, 3038d0ff7383SNaveen Gangadharan u32 id, 3039d0ff7383SNaveen Gangadharan u32 freq, 3040d0ff7383SNaveen Gangadharan u32 wait, 3041d0ff7383SNaveen Gangadharan const u8 *buf, 3042d0ff7383SNaveen Gangadharan size_t len, 3043d0ff7383SNaveen Gangadharan bool *more_data, 3044d0ff7383SNaveen Gangadharan bool no_cck) 3045d0ff7383SNaveen Gangadharan { 3046d0ff7383SNaveen Gangadharan struct ieee80211_mgmt *mgmt; 3047d0ff7383SNaveen Gangadharan struct ath6kl_sta *conn; 3048d0ff7383SNaveen Gangadharan bool is_psq_empty = false; 3049d0ff7383SNaveen Gangadharan struct ath6kl_mgmt_buff *mgmt_buf; 3050d0ff7383SNaveen Gangadharan size_t mgmt_buf_size; 3051d0ff7383SNaveen Gangadharan struct ath6kl *ar = vif->ar; 3052d0ff7383SNaveen Gangadharan 3053d0ff7383SNaveen Gangadharan mgmt = (struct ieee80211_mgmt *) buf; 3054d0ff7383SNaveen Gangadharan if (is_multicast_ether_addr(mgmt->da)) 3055d0ff7383SNaveen Gangadharan return false; 3056d0ff7383SNaveen Gangadharan 3057d0ff7383SNaveen Gangadharan conn = ath6kl_find_sta(vif, mgmt->da); 3058d0ff7383SNaveen Gangadharan if (!conn) 3059d0ff7383SNaveen Gangadharan return false; 3060d0ff7383SNaveen Gangadharan 3061d0ff7383SNaveen Gangadharan if (conn->sta_flags & STA_PS_SLEEP) { 3062d0ff7383SNaveen Gangadharan if (!(conn->sta_flags & STA_PS_POLLED)) { 3063d0ff7383SNaveen Gangadharan /* Queue the frames if the STA is sleeping */ 3064d0ff7383SNaveen Gangadharan mgmt_buf_size = len + sizeof(struct ath6kl_mgmt_buff); 3065d0ff7383SNaveen Gangadharan mgmt_buf = kmalloc(mgmt_buf_size, GFP_KERNEL); 3066d0ff7383SNaveen Gangadharan if (!mgmt_buf) 3067d0ff7383SNaveen Gangadharan return false; 3068d0ff7383SNaveen Gangadharan 3069d0ff7383SNaveen Gangadharan INIT_LIST_HEAD(&mgmt_buf->list); 3070d0ff7383SNaveen Gangadharan mgmt_buf->id = id; 3071d0ff7383SNaveen Gangadharan mgmt_buf->freq = freq; 3072d0ff7383SNaveen Gangadharan mgmt_buf->wait = wait; 3073d0ff7383SNaveen Gangadharan mgmt_buf->len = len; 3074d0ff7383SNaveen Gangadharan mgmt_buf->no_cck = no_cck; 3075d0ff7383SNaveen Gangadharan memcpy(mgmt_buf->buf, buf, len); 3076d0ff7383SNaveen Gangadharan spin_lock_bh(&conn->psq_lock); 3077d0ff7383SNaveen Gangadharan is_psq_empty = skb_queue_empty(&conn->psq) && 3078d0ff7383SNaveen Gangadharan (conn->mgmt_psq_len == 0); 3079d0ff7383SNaveen Gangadharan list_add_tail(&mgmt_buf->list, &conn->mgmt_psq); 3080d0ff7383SNaveen Gangadharan conn->mgmt_psq_len++; 3081d0ff7383SNaveen Gangadharan spin_unlock_bh(&conn->psq_lock); 3082d0ff7383SNaveen Gangadharan 3083d0ff7383SNaveen Gangadharan /* 3084d0ff7383SNaveen Gangadharan * If this is the first pkt getting queued 3085d0ff7383SNaveen Gangadharan * for this STA, update the PVB for this 3086d0ff7383SNaveen Gangadharan * STA. 3087d0ff7383SNaveen Gangadharan */ 3088d0ff7383SNaveen Gangadharan if (is_psq_empty) 3089d0ff7383SNaveen Gangadharan ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx, 3090d0ff7383SNaveen Gangadharan conn->aid, 1); 3091d0ff7383SNaveen Gangadharan return true; 3092d0ff7383SNaveen Gangadharan } 3093d0ff7383SNaveen Gangadharan 3094d0ff7383SNaveen Gangadharan /* 3095d0ff7383SNaveen Gangadharan * This tx is because of a PsPoll. 3096d0ff7383SNaveen Gangadharan * Determine if MoreData bit has to be set. 3097d0ff7383SNaveen Gangadharan */ 3098d0ff7383SNaveen Gangadharan spin_lock_bh(&conn->psq_lock); 3099d0ff7383SNaveen Gangadharan if (!skb_queue_empty(&conn->psq) || (conn->mgmt_psq_len != 0)) 3100d0ff7383SNaveen Gangadharan *more_data = true; 3101d0ff7383SNaveen Gangadharan spin_unlock_bh(&conn->psq_lock); 3102d0ff7383SNaveen Gangadharan } 3103d0ff7383SNaveen Gangadharan 3104d0ff7383SNaveen Gangadharan return false; 3105d0ff7383SNaveen Gangadharan } 3106d0ff7383SNaveen Gangadharan 3107c86e4f44SAarthi Thiruvengadam /* Check if SSID length is greater than DIRECT- */ 3108c86e4f44SAarthi Thiruvengadam static bool ath6kl_is_p2p_go_ssid(const u8 *buf, size_t len) 3109c86e4f44SAarthi Thiruvengadam { 3110c86e4f44SAarthi Thiruvengadam const struct ieee80211_mgmt *mgmt; 3111c86e4f44SAarthi Thiruvengadam mgmt = (const struct ieee80211_mgmt *) buf; 3112c86e4f44SAarthi Thiruvengadam 3113c86e4f44SAarthi Thiruvengadam /* variable[1] contains the SSID tag length */ 3114c86e4f44SAarthi Thiruvengadam if (buf + len >= &mgmt->u.probe_resp.variable[1] && 3115c86e4f44SAarthi Thiruvengadam (mgmt->u.probe_resp.variable[1] > P2P_WILDCARD_SSID_LEN)) { 3116c86e4f44SAarthi Thiruvengadam return true; 3117c86e4f44SAarthi Thiruvengadam } 3118c86e4f44SAarthi Thiruvengadam 3119c86e4f44SAarthi Thiruvengadam return false; 3120c86e4f44SAarthi Thiruvengadam } 3121c86e4f44SAarthi Thiruvengadam 312271bbc994SJohannes Berg static int ath6kl_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, 31238a6c8060SJouni Malinen struct ieee80211_channel *chan, bool offchan, 31248a6c8060SJouni Malinen enum nl80211_channel_type channel_type, 31258a6c8060SJouni Malinen bool channel_type_valid, unsigned int wait, 3126e247bd90SJohannes Berg const u8 *buf, size_t len, bool no_cck, 3127e247bd90SJohannes Berg bool dont_wait_for_ack, u64 *cookie) 31288a6c8060SJouni Malinen { 312971bbc994SJohannes Berg struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); 313071bbc994SJohannes Berg struct ath6kl *ar = ath6kl_priv(vif->ndev); 31318a6c8060SJouni Malinen u32 id; 31328bdfbf40SJouni Malinen const struct ieee80211_mgmt *mgmt; 3133d0ff7383SNaveen Gangadharan bool more_data, queued; 31348bdfbf40SJouni Malinen 31358bdfbf40SJouni Malinen mgmt = (const struct ieee80211_mgmt *) buf; 3136c86e4f44SAarthi Thiruvengadam if (vif->nw_type == AP_NETWORK && test_bit(CONNECTED, &vif->flags) && 3137c86e4f44SAarthi Thiruvengadam ieee80211_is_probe_resp(mgmt->frame_control) && 3138c86e4f44SAarthi Thiruvengadam ath6kl_is_p2p_go_ssid(buf, len)) { 31398bdfbf40SJouni Malinen /* 3140c86e4f44SAarthi Thiruvengadam * Send Probe Response frame in GO mode using a separate WMI 31418bdfbf40SJouni Malinen * command to allow the target to fill in the generic IEs. 31428bdfbf40SJouni Malinen */ 31438bdfbf40SJouni Malinen *cookie = 0; /* TX status not supported */ 3144334234b5SVasanthakumar Thiagarajan return ath6kl_send_go_probe_resp(vif, buf, len, 31458bdfbf40SJouni Malinen chan->center_freq); 31468bdfbf40SJouni Malinen } 31478a6c8060SJouni Malinen 3148cf5333d7SVasanthakumar Thiagarajan id = vif->send_action_id++; 31498a6c8060SJouni Malinen if (id == 0) { 31508a6c8060SJouni Malinen /* 31518a6c8060SJouni Malinen * 0 is a reserved value in the WMI command and shall not be 31528a6c8060SJouni Malinen * used for the command. 31538a6c8060SJouni Malinen */ 3154cf5333d7SVasanthakumar Thiagarajan id = vif->send_action_id++; 31558a6c8060SJouni Malinen } 31568a6c8060SJouni Malinen 31578a6c8060SJouni Malinen *cookie = id; 31583ca9d1fcSAarthi Thiruvengadam 3159d0ff7383SNaveen Gangadharan /* AP mode Power saving processing */ 3160d0ff7383SNaveen Gangadharan if (vif->nw_type == AP_NETWORK) { 3161d0ff7383SNaveen Gangadharan queued = ath6kl_mgmt_powersave_ap(vif, 3162d0ff7383SNaveen Gangadharan id, chan->center_freq, 3163d0ff7383SNaveen Gangadharan wait, buf, 3164d0ff7383SNaveen Gangadharan len, &more_data, no_cck); 3165d0ff7383SNaveen Gangadharan if (queued) 3166d0ff7383SNaveen Gangadharan return 0; 3167d0ff7383SNaveen Gangadharan } 3168d0ff7383SNaveen Gangadharan 31693ca9d1fcSAarthi Thiruvengadam return ath6kl_wmi_send_mgmt_cmd(ar->wmi, vif->fw_vif_idx, id, 31703ca9d1fcSAarthi Thiruvengadam chan->center_freq, wait, 31713ca9d1fcSAarthi Thiruvengadam buf, len, no_cck); 31723ca9d1fcSAarthi Thiruvengadam } 31738a6c8060SJouni Malinen 3174ae32c30aSJouni Malinen static void ath6kl_mgmt_frame_register(struct wiphy *wiphy, 317571bbc994SJohannes Berg struct wireless_dev *wdev, 3176ae32c30aSJouni Malinen u16 frame_type, bool reg) 3177ae32c30aSJouni Malinen { 317871bbc994SJohannes Berg struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); 3179ae32c30aSJouni Malinen 3180ae32c30aSJouni Malinen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: frame_type=0x%x reg=%d\n", 3181ae32c30aSJouni Malinen __func__, frame_type, reg); 3182ae32c30aSJouni Malinen if (frame_type == IEEE80211_STYPE_PROBE_REQ) { 3183ae32c30aSJouni Malinen /* 3184ae32c30aSJouni Malinen * Note: This notification callback is not allowed to sleep, so 3185ae32c30aSJouni Malinen * we cannot send WMI_PROBE_REQ_REPORT_CMD here. Instead, we 3186ae32c30aSJouni Malinen * hardcode target to report Probe Request frames all the time. 3187ae32c30aSJouni Malinen */ 3188cf5333d7SVasanthakumar Thiagarajan vif->probe_req_report = reg; 3189ae32c30aSJouni Malinen } 3190ae32c30aSJouni Malinen } 3191ae32c30aSJouni Malinen 319210509f90SKalle Valo static int ath6kl_cfg80211_sscan_start(struct wiphy *wiphy, 319310509f90SKalle Valo struct net_device *dev, 319410509f90SKalle Valo struct cfg80211_sched_scan_request *request) 319510509f90SKalle Valo { 319610509f90SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 319710509f90SKalle Valo struct ath6kl_vif *vif = netdev_priv(dev); 319810509f90SKalle Valo u16 interval; 319985b20fc2SThomas Pedersen int ret, rssi_thold; 320010509f90SKalle Valo 320110509f90SKalle Valo if (ar->state != ATH6KL_STATE_ON) 320210509f90SKalle Valo return -EIO; 320310509f90SKalle Valo 320410509f90SKalle Valo if (vif->sme_state != SME_DISCONNECTED) 320510509f90SKalle Valo return -EBUSY; 320610509f90SKalle Valo 320777ed4e45SThomas Pedersen /* The FW currently can't support multi-vif WoW properly. */ 320877ed4e45SThomas Pedersen if (ar->num_vif > 1) 320977ed4e45SThomas Pedersen return -EIO; 321077ed4e45SThomas Pedersen 3211b4d13d3bSKalle Valo ath6kl_cfg80211_scan_complete_event(vif, true); 3212b4d13d3bSKalle Valo 32133b8ffc6aSJouni Malinen ret = ath6kl_set_probed_ssids(ar, vif, request->ssids, 3214dd45b759SNaveen Singh request->n_ssids, 3215dd45b759SNaveen Singh request->match_sets, 3216dd45b759SNaveen Singh request->n_match_sets); 32173b8ffc6aSJouni Malinen if (ret < 0) 32183b8ffc6aSJouni Malinen return ret; 321910509f90SKalle Valo 3220dd45b759SNaveen Singh if (!request->n_match_sets) { 3221dd45b759SNaveen Singh ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 3222dd45b759SNaveen Singh ALL_BSS_FILTER, 0); 3223dd45b759SNaveen Singh if (ret < 0) 3224dd45b759SNaveen Singh return ret; 3225dd45b759SNaveen Singh } else { 3226dd45b759SNaveen Singh ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 3227dd45b759SNaveen Singh MATCHED_SSID_FILTER, 0); 3228dd45b759SNaveen Singh if (ret < 0) 3229dd45b759SNaveen Singh return ret; 3230dd45b759SNaveen Singh } 3231dd45b759SNaveen Singh 323285b20fc2SThomas Pedersen if (test_bit(ATH6KL_FW_CAPABILITY_RSSI_SCAN_THOLD, 323385b20fc2SThomas Pedersen ar->fw_capabilities)) { 323485b20fc2SThomas Pedersen if (request->rssi_thold <= NL80211_SCAN_RSSI_THOLD_OFF) 323585b20fc2SThomas Pedersen rssi_thold = 0; 323685b20fc2SThomas Pedersen else if (request->rssi_thold < -127) 323785b20fc2SThomas Pedersen rssi_thold = -127; 323885b20fc2SThomas Pedersen else 323985b20fc2SThomas Pedersen rssi_thold = request->rssi_thold; 324085b20fc2SThomas Pedersen 324185b20fc2SThomas Pedersen ret = ath6kl_wmi_set_rssi_filter_cmd(ar->wmi, vif->fw_vif_idx, 324285b20fc2SThomas Pedersen rssi_thold); 324385b20fc2SThomas Pedersen if (ret) { 324485b20fc2SThomas Pedersen ath6kl_err("failed to set RSSI threshold for scan\n"); 324585b20fc2SThomas Pedersen return ret; 324685b20fc2SThomas Pedersen } 324785b20fc2SThomas Pedersen } 324885b20fc2SThomas Pedersen 324910509f90SKalle Valo /* fw uses seconds, also make sure that it's >0 */ 325010509f90SKalle Valo interval = max_t(u16, 1, request->interval / 1000); 325110509f90SKalle Valo 325210509f90SKalle Valo ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 325310509f90SKalle Valo interval, interval, 3254d472b5e4SSubramania Sharma Thandaveswaran vif->bg_scan_period, 0, 0, 0, 3, 0, 0, 0); 325510509f90SKalle Valo 325610509f90SKalle Valo ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx, 325710509f90SKalle Valo ATH6KL_WOW_MODE_ENABLE, 325810509f90SKalle Valo WOW_FILTER_SSID, 325910509f90SKalle Valo WOW_HOST_REQ_DELAY); 326010509f90SKalle Valo if (ret) { 326110509f90SKalle Valo ath6kl_warn("Failed to enable wow with ssid filter: %d\n", ret); 326210509f90SKalle Valo return ret; 326310509f90SKalle Valo } 326410509f90SKalle Valo 326510509f90SKalle Valo /* this also clears IE in fw if it's not set */ 326610509f90SKalle Valo ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 326710509f90SKalle Valo WMI_FRAME_PROBE_REQ, 326810509f90SKalle Valo request->ie, request->ie_len); 326910509f90SKalle Valo if (ret) { 3270f1ff32e8SJoe Perches ath6kl_warn("Failed to set probe request IE for scheduled scan: %d\n", 327110509f90SKalle Valo ret); 327210509f90SKalle Valo return ret; 327310509f90SKalle Valo } 327410509f90SKalle Valo 327510509f90SKalle Valo ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, 327610509f90SKalle Valo ATH6KL_HOST_MODE_ASLEEP); 327710509f90SKalle Valo if (ret) { 327810509f90SKalle Valo ath6kl_warn("Failed to enable host sleep mode for sched scan: %d\n", 327910509f90SKalle Valo ret); 328010509f90SKalle Valo return ret; 328110509f90SKalle Valo } 328210509f90SKalle Valo 328310509f90SKalle Valo ar->state = ATH6KL_STATE_SCHED_SCAN; 328410509f90SKalle Valo 328510509f90SKalle Valo return ret; 328610509f90SKalle Valo } 328710509f90SKalle Valo 328810509f90SKalle Valo static int ath6kl_cfg80211_sscan_stop(struct wiphy *wiphy, 328910509f90SKalle Valo struct net_device *dev) 329010509f90SKalle Valo { 329110509f90SKalle Valo struct ath6kl_vif *vif = netdev_priv(dev); 329210509f90SKalle Valo bool stopped; 329310509f90SKalle Valo 329410509f90SKalle Valo stopped = __ath6kl_cfg80211_sscan_stop(vif); 329510509f90SKalle Valo 329610509f90SKalle Valo if (!stopped) 329710509f90SKalle Valo return -EIO; 329810509f90SKalle Valo 329910509f90SKalle Valo return 0; 330010509f90SKalle Valo } 330110509f90SKalle Valo 330206e360acSBala Shanmugam static int ath6kl_cfg80211_set_bitrate(struct wiphy *wiphy, 330306e360acSBala Shanmugam struct net_device *dev, 330406e360acSBala Shanmugam const u8 *addr, 330506e360acSBala Shanmugam const struct cfg80211_bitrate_mask *mask) 330606e360acSBala Shanmugam { 330706e360acSBala Shanmugam struct ath6kl *ar = ath6kl_priv(dev); 330806e360acSBala Shanmugam struct ath6kl_vif *vif = netdev_priv(dev); 330906e360acSBala Shanmugam 331006e360acSBala Shanmugam return ath6kl_wmi_set_bitrate_mask(ar->wmi, vif->fw_vif_idx, 331106e360acSBala Shanmugam mask); 331206e360acSBala Shanmugam } 331306e360acSBala Shanmugam 3314279b2862SThomas Pedersen static int ath6kl_cfg80211_set_txe_config(struct wiphy *wiphy, 3315279b2862SThomas Pedersen struct net_device *dev, 3316279b2862SThomas Pedersen u32 rate, u32 pkts, u32 intvl) 3317279b2862SThomas Pedersen { 3318279b2862SThomas Pedersen struct ath6kl *ar = ath6kl_priv(dev); 3319279b2862SThomas Pedersen struct ath6kl_vif *vif = netdev_priv(dev); 3320279b2862SThomas Pedersen 3321279b2862SThomas Pedersen if (vif->nw_type != INFRA_NETWORK || 3322279b2862SThomas Pedersen !test_bit(ATH6KL_FW_CAPABILITY_TX_ERR_NOTIFY, ar->fw_capabilities)) 3323279b2862SThomas Pedersen return -EOPNOTSUPP; 3324279b2862SThomas Pedersen 3325279b2862SThomas Pedersen if (vif->sme_state != SME_CONNECTED) 3326279b2862SThomas Pedersen return -ENOTCONN; 3327279b2862SThomas Pedersen 3328279b2862SThomas Pedersen /* save this since the firmware won't report the interval */ 3329279b2862SThomas Pedersen vif->txe_intvl = intvl; 3330279b2862SThomas Pedersen 3331279b2862SThomas Pedersen return ath6kl_wmi_set_txe_notify(ar->wmi, vif->fw_vif_idx, 3332279b2862SThomas Pedersen rate, pkts, intvl); 3333279b2862SThomas Pedersen } 3334279b2862SThomas Pedersen 3335f80574aeSJouni Malinen static const struct ieee80211_txrx_stypes 3336f80574aeSJouni Malinen ath6kl_mgmt_stypes[NUM_NL80211_IFTYPES] = { 3337f80574aeSJouni Malinen [NL80211_IFTYPE_STATION] = { 3338f80574aeSJouni Malinen .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3339f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 3340f80574aeSJouni Malinen .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3341f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 3342f80574aeSJouni Malinen }, 3343ba1f6fe3SJouni Malinen [NL80211_IFTYPE_AP] = { 3344ba1f6fe3SJouni Malinen .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3345ba1f6fe3SJouni Malinen BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 3346ba1f6fe3SJouni Malinen .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3347ba1f6fe3SJouni Malinen BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 3348ba1f6fe3SJouni Malinen }, 3349f80574aeSJouni Malinen [NL80211_IFTYPE_P2P_CLIENT] = { 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 [NL80211_IFTYPE_P2P_GO] = { 3356f80574aeSJouni Malinen .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3357f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 3358f80574aeSJouni Malinen .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3359f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 3360f80574aeSJouni Malinen }, 3361f80574aeSJouni Malinen }; 3362f80574aeSJouni Malinen 3363bdcd8170SKalle Valo static struct cfg80211_ops ath6kl_cfg80211_ops = { 336455055976SVasanthakumar Thiagarajan .add_virtual_intf = ath6kl_cfg80211_add_iface, 336555055976SVasanthakumar Thiagarajan .del_virtual_intf = ath6kl_cfg80211_del_iface, 3366bdcd8170SKalle Valo .change_virtual_intf = ath6kl_cfg80211_change_iface, 3367bdcd8170SKalle Valo .scan = ath6kl_cfg80211_scan, 3368bdcd8170SKalle Valo .connect = ath6kl_cfg80211_connect, 3369bdcd8170SKalle Valo .disconnect = ath6kl_cfg80211_disconnect, 3370bdcd8170SKalle Valo .add_key = ath6kl_cfg80211_add_key, 3371bdcd8170SKalle Valo .get_key = ath6kl_cfg80211_get_key, 3372bdcd8170SKalle Valo .del_key = ath6kl_cfg80211_del_key, 3373bdcd8170SKalle Valo .set_default_key = ath6kl_cfg80211_set_default_key, 3374bdcd8170SKalle Valo .set_wiphy_params = ath6kl_cfg80211_set_wiphy_params, 3375bdcd8170SKalle Valo .set_tx_power = ath6kl_cfg80211_set_txpower, 3376bdcd8170SKalle Valo .get_tx_power = ath6kl_cfg80211_get_txpower, 3377bdcd8170SKalle Valo .set_power_mgmt = ath6kl_cfg80211_set_power_mgmt, 3378bdcd8170SKalle Valo .join_ibss = ath6kl_cfg80211_join_ibss, 3379bdcd8170SKalle Valo .leave_ibss = ath6kl_cfg80211_leave_ibss, 3380bdcd8170SKalle Valo .get_station = ath6kl_get_station, 3381bdcd8170SKalle Valo .set_pmksa = ath6kl_set_pmksa, 3382bdcd8170SKalle Valo .del_pmksa = ath6kl_del_pmksa, 3383bdcd8170SKalle Valo .flush_pmksa = ath6kl_flush_pmksa, 3384003353b0SKalle Valo CFG80211_TESTMODE_CMD(ath6kl_tm_cmd) 3385abcb344bSKalle Valo #ifdef CONFIG_PM 338652d81a68SKalle Valo .suspend = __ath6kl_cfg80211_suspend, 338752d81a68SKalle Valo .resume = __ath6kl_cfg80211_resume, 3388abcb344bSKalle Valo #endif 33898860020eSJohannes Berg .start_ap = ath6kl_start_ap, 33908860020eSJohannes Berg .change_beacon = ath6kl_change_beacon, 33918860020eSJohannes Berg .stop_ap = ath6kl_stop_ap, 339233e5308dSJouni Malinen .del_station = ath6kl_del_station, 339323875136SJouni Malinen .change_station = ath6kl_change_station, 339463fa1e0cSJouni Malinen .remain_on_channel = ath6kl_remain_on_channel, 339563fa1e0cSJouni Malinen .cancel_remain_on_channel = ath6kl_cancel_remain_on_channel, 33968a6c8060SJouni Malinen .mgmt_tx = ath6kl_mgmt_tx, 3397ae32c30aSJouni Malinen .mgmt_frame_register = ath6kl_mgmt_frame_register, 339810509f90SKalle Valo .sched_scan_start = ath6kl_cfg80211_sscan_start, 339910509f90SKalle Valo .sched_scan_stop = ath6kl_cfg80211_sscan_stop, 340006e360acSBala Shanmugam .set_bitrate_mask = ath6kl_cfg80211_set_bitrate, 3401279b2862SThomas Pedersen .set_cqm_txe_config = ath6kl_cfg80211_set_txe_config, 3402bdcd8170SKalle Valo }; 3403bdcd8170SKalle Valo 34047125f01dSKalle Valo void ath6kl_cfg80211_stop(struct ath6kl_vif *vif) 3405ec4b7f60SKalle Valo { 340610509f90SKalle Valo ath6kl_cfg80211_sscan_disable(vif); 340710509f90SKalle Valo 3408ec4b7f60SKalle Valo switch (vif->sme_state) { 3409c97a31b0SKalle Valo case SME_DISCONNECTED: 3410c97a31b0SKalle Valo break; 3411ec4b7f60SKalle Valo case SME_CONNECTING: 3412ec4b7f60SKalle Valo cfg80211_connect_result(vif->ndev, vif->bssid, NULL, 0, 3413ec4b7f60SKalle Valo NULL, 0, 3414ec4b7f60SKalle Valo WLAN_STATUS_UNSPECIFIED_FAILURE, 3415ec4b7f60SKalle Valo GFP_KERNEL); 3416ec4b7f60SKalle Valo break; 3417ec4b7f60SKalle Valo case SME_CONNECTED: 3418ec4b7f60SKalle Valo cfg80211_disconnected(vif->ndev, 0, NULL, 0, GFP_KERNEL); 3419ec4b7f60SKalle Valo break; 3420ec4b7f60SKalle Valo } 3421ec4b7f60SKalle Valo 3422ec4b7f60SKalle Valo if (test_bit(CONNECTED, &vif->flags) || 3423ec4b7f60SKalle Valo test_bit(CONNECT_PEND, &vif->flags)) 34247125f01dSKalle Valo ath6kl_wmi_disconnect_cmd(vif->ar->wmi, vif->fw_vif_idx); 3425ec4b7f60SKalle Valo 3426ec4b7f60SKalle Valo vif->sme_state = SME_DISCONNECTED; 34271f405255SKalle Valo clear_bit(CONNECTED, &vif->flags); 34281f405255SKalle Valo clear_bit(CONNECT_PEND, &vif->flags); 3429ec4b7f60SKalle Valo 3430ec4b7f60SKalle Valo /* disable scanning */ 34317125f01dSKalle Valo if (ath6kl_wmi_scanparams_cmd(vif->ar->wmi, vif->fw_vif_idx, 0xFFFF, 34327125f01dSKalle Valo 0, 0, 0, 0, 0, 0, 0, 0, 0) != 0) 34337125f01dSKalle Valo ath6kl_warn("failed to disable scan during stop\n"); 3434ec4b7f60SKalle Valo 3435ec4b7f60SKalle Valo ath6kl_cfg80211_scan_complete_event(vif, true); 3436ec4b7f60SKalle Valo } 3437ec4b7f60SKalle Valo 34387125f01dSKalle Valo void ath6kl_cfg80211_stop_all(struct ath6kl *ar) 34397125f01dSKalle Valo { 34407125f01dSKalle Valo struct ath6kl_vif *vif; 34417125f01dSKalle Valo 34427125f01dSKalle Valo vif = ath6kl_vif_first(ar); 34437125f01dSKalle Valo if (!vif) { 34447125f01dSKalle Valo /* save the current power mode before enabling power save */ 34457125f01dSKalle Valo ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode; 34467125f01dSKalle Valo 34477125f01dSKalle Valo if (ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER) != 0) 3448cdeb8602SKalle Valo ath6kl_warn("ath6kl_deep_sleep_enable: wmi_powermode_cmd failed\n"); 34497125f01dSKalle Valo return; 34507125f01dSKalle Valo } 34517125f01dSKalle Valo 34527125f01dSKalle Valo /* 34537125f01dSKalle Valo * FIXME: we should take ar->list_lock to protect changes in the 34547125f01dSKalle Valo * vif_list, but that's not trivial to do as ath6kl_cfg80211_stop() 34557125f01dSKalle Valo * sleeps. 34567125f01dSKalle Valo */ 34577125f01dSKalle Valo list_for_each_entry(vif, &ar->vif_list, list) 34587125f01dSKalle Valo ath6kl_cfg80211_stop(vif); 34597125f01dSKalle Valo } 34607125f01dSKalle Valo 346184841ba2SKalle Valo static int ath6kl_cfg80211_reg_notify(struct wiphy *wiphy, 346284841ba2SKalle Valo struct regulatory_request *request) 346384841ba2SKalle Valo { 346484841ba2SKalle Valo struct ath6kl *ar = wiphy_priv(wiphy); 346584841ba2SKalle Valo u32 rates[IEEE80211_NUM_BANDS]; 346684841ba2SKalle Valo int ret, i; 346784841ba2SKalle Valo 346884841ba2SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 346984841ba2SKalle Valo "cfg reg_notify %c%c%s%s initiator %d\n", 347084841ba2SKalle Valo request->alpha2[0], request->alpha2[1], 347184841ba2SKalle Valo request->intersect ? " intersect" : "", 347284841ba2SKalle Valo request->processed ? " processed" : "", 347384841ba2SKalle Valo request->initiator); 347484841ba2SKalle Valo 347584841ba2SKalle Valo ret = ath6kl_wmi_set_regdomain_cmd(ar->wmi, request->alpha2); 347684841ba2SKalle Valo if (ret) { 347784841ba2SKalle Valo ath6kl_err("failed to set regdomain: %d\n", ret); 347884841ba2SKalle Valo return ret; 347984841ba2SKalle Valo } 348084841ba2SKalle Valo 348184841ba2SKalle Valo /* 348284841ba2SKalle Valo * Firmware will apply the regdomain change only after a scan is 348384841ba2SKalle Valo * issued and it will send a WMI_REGDOMAIN_EVENTID when it has been 348484841ba2SKalle Valo * changed. 348584841ba2SKalle Valo */ 348684841ba2SKalle Valo 348784841ba2SKalle Valo for (i = 0; i < IEEE80211_NUM_BANDS; i++) 348884841ba2SKalle Valo if (wiphy->bands[i]) 348984841ba2SKalle Valo rates[i] = (1 << wiphy->bands[i]->n_bitrates) - 1; 349084841ba2SKalle Valo 349184841ba2SKalle Valo 349284841ba2SKalle Valo ret = ath6kl_wmi_beginscan_cmd(ar->wmi, 0, WMI_LONG_SCAN, false, 349384841ba2SKalle Valo false, 0, ATH6KL_FG_SCAN_INTERVAL, 349484841ba2SKalle Valo 0, NULL, false, rates); 349584841ba2SKalle Valo if (ret) { 349684841ba2SKalle Valo ath6kl_err("failed to start scan for a regdomain change: %d\n", 349784841ba2SKalle Valo ret); 349884841ba2SKalle Valo return ret; 349984841ba2SKalle Valo } 350084841ba2SKalle Valo 350184841ba2SKalle Valo return 0; 350284841ba2SKalle Valo } 350384841ba2SKalle Valo 3504c25889e8SKalle Valo static int ath6kl_cfg80211_vif_init(struct ath6kl_vif *vif) 35058dafb70eSVasanthakumar Thiagarajan { 35067baef812SVasanthakumar Thiagarajan vif->aggr_cntxt = aggr_init(vif); 35072132c69cSVasanthakumar Thiagarajan if (!vif->aggr_cntxt) { 35088dafb70eSVasanthakumar Thiagarajan ath6kl_err("failed to initialize aggr\n"); 35098dafb70eSVasanthakumar Thiagarajan return -ENOMEM; 35108dafb70eSVasanthakumar Thiagarajan } 35118dafb70eSVasanthakumar Thiagarajan 3512de3ad713SVasanthakumar Thiagarajan setup_timer(&vif->disconnect_timer, disconnect_timer_handler, 3513108438bcSVasanthakumar Thiagarajan (unsigned long) vif->ndev); 351410509f90SKalle Valo setup_timer(&vif->sched_scan_timer, ath6kl_wmi_sscan_timer, 351510509f90SKalle Valo (unsigned long) vif); 351610509f90SKalle Valo 3517de3ad713SVasanthakumar Thiagarajan set_bit(WMM_ENABLED, &vif->flags); 3518478ac027SVasanthakumar Thiagarajan spin_lock_init(&vif->if_lock); 35198dafb70eSVasanthakumar Thiagarajan 352080abaf9bSVasanthakumar Thiagarajan INIT_LIST_HEAD(&vif->mc_filter); 352180abaf9bSVasanthakumar Thiagarajan 35228dafb70eSVasanthakumar Thiagarajan return 0; 35238dafb70eSVasanthakumar Thiagarajan } 35248dafb70eSVasanthakumar Thiagarajan 3525c25889e8SKalle Valo void ath6kl_cfg80211_vif_cleanup(struct ath6kl_vif *vif) 35268dafb70eSVasanthakumar Thiagarajan { 352755055976SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 352880abaf9bSVasanthakumar Thiagarajan struct ath6kl_mc_filter *mc_filter, *tmp; 352955055976SVasanthakumar Thiagarajan 35302132c69cSVasanthakumar Thiagarajan aggr_module_destroy(vif->aggr_cntxt); 3531108438bcSVasanthakumar Thiagarajan 353255055976SVasanthakumar Thiagarajan ar->avail_idx_map |= BIT(vif->fw_vif_idx); 353355055976SVasanthakumar Thiagarajan 353455055976SVasanthakumar Thiagarajan if (vif->nw_type == ADHOC_NETWORK) 353555055976SVasanthakumar Thiagarajan ar->ibss_if_active = false; 353655055976SVasanthakumar Thiagarajan 353780abaf9bSVasanthakumar Thiagarajan list_for_each_entry_safe(mc_filter, tmp, &vif->mc_filter, list) { 353880abaf9bSVasanthakumar Thiagarajan list_del(&mc_filter->list); 353980abaf9bSVasanthakumar Thiagarajan kfree(mc_filter); 354080abaf9bSVasanthakumar Thiagarajan } 354180abaf9bSVasanthakumar Thiagarajan 354227929723SVasanthakumar Thiagarajan unregister_netdevice(vif->ndev); 354355055976SVasanthakumar Thiagarajan 354455055976SVasanthakumar Thiagarajan ar->num_vif--; 35458dafb70eSVasanthakumar Thiagarajan } 35468dafb70eSVasanthakumar Thiagarajan 3547552bff0cSJohannes Berg struct wireless_dev *ath6kl_interface_add(struct ath6kl *ar, const char *name, 354884efbb84SJohannes Berg enum nl80211_iftype type, 354984efbb84SJohannes Berg u8 fw_vif_idx, u8 nw_type) 35508dafb70eSVasanthakumar Thiagarajan { 35518dafb70eSVasanthakumar Thiagarajan struct net_device *ndev; 3552108438bcSVasanthakumar Thiagarajan struct ath6kl_vif *vif; 35538dafb70eSVasanthakumar Thiagarajan 355455055976SVasanthakumar Thiagarajan ndev = alloc_netdev(sizeof(*vif), name, ether_setup); 35558dafb70eSVasanthakumar Thiagarajan if (!ndev) 35568dafb70eSVasanthakumar Thiagarajan return NULL; 35578dafb70eSVasanthakumar Thiagarajan 3558108438bcSVasanthakumar Thiagarajan vif = netdev_priv(ndev); 3559108438bcSVasanthakumar Thiagarajan ndev->ieee80211_ptr = &vif->wdev; 3560108438bcSVasanthakumar Thiagarajan vif->wdev.wiphy = ar->wiphy; 3561108438bcSVasanthakumar Thiagarajan vif->ar = ar; 3562108438bcSVasanthakumar Thiagarajan vif->ndev = ndev; 3563108438bcSVasanthakumar Thiagarajan SET_NETDEV_DEV(ndev, wiphy_dev(vif->wdev.wiphy)); 3564108438bcSVasanthakumar Thiagarajan vif->wdev.netdev = ndev; 3565108438bcSVasanthakumar Thiagarajan vif->wdev.iftype = type; 3566334234b5SVasanthakumar Thiagarajan vif->fw_vif_idx = fw_vif_idx; 3567d0d670abSKalle Valo vif->nw_type = nw_type; 3568d0d670abSKalle Valo vif->next_mode = nw_type; 35698f46fccdSRaja Mani vif->listen_intvl_t = ATH6KL_DEFAULT_LISTEN_INTVAL; 3570ce0dc0cfSRaja Mani vif->bmiss_time_t = ATH6KL_DEFAULT_BMISS_TIME; 3571eb38987eSRaja Mani vif->bg_scan_period = 0; 357267b3f129SKiran Reddy vif->htcap[IEEE80211_BAND_2GHZ].ht_enable = true; 357367b3f129SKiran Reddy vif->htcap[IEEE80211_BAND_5GHZ].ht_enable = true; 35748dafb70eSVasanthakumar Thiagarajan 357555055976SVasanthakumar Thiagarajan memcpy(ndev->dev_addr, ar->mac_addr, ETH_ALEN); 3576c95dcb59SAarthi Thiruvengadam if (fw_vif_idx != 0) { 357755055976SVasanthakumar Thiagarajan ndev->dev_addr[0] = (ndev->dev_addr[0] ^ (1 << fw_vif_idx)) | 357855055976SVasanthakumar Thiagarajan 0x2; 3579c95dcb59SAarthi Thiruvengadam if (test_bit(ATH6KL_FW_CAPABILITY_CUSTOM_MAC_ADDR, 3580c95dcb59SAarthi Thiruvengadam ar->fw_capabilities)) 3581c95dcb59SAarthi Thiruvengadam ndev->dev_addr[4] ^= 0x80; 3582c95dcb59SAarthi Thiruvengadam } 358355055976SVasanthakumar Thiagarajan 35848dafb70eSVasanthakumar Thiagarajan init_netdev(ndev); 35858dafb70eSVasanthakumar Thiagarajan 3586e29f25f5SVasanthakumar Thiagarajan ath6kl_init_control_info(vif); 35878dafb70eSVasanthakumar Thiagarajan 3588c25889e8SKalle Valo if (ath6kl_cfg80211_vif_init(vif)) 35898dafb70eSVasanthakumar Thiagarajan goto err; 35908dafb70eSVasanthakumar Thiagarajan 359127929723SVasanthakumar Thiagarajan if (register_netdevice(ndev)) 35928dafb70eSVasanthakumar Thiagarajan goto err; 35938dafb70eSVasanthakumar Thiagarajan 359455055976SVasanthakumar Thiagarajan ar->avail_idx_map &= ~BIT(fw_vif_idx); 359514ee6f6bSVasanthakumar Thiagarajan vif->sme_state = SME_DISCONNECTED; 359659c98449SVasanthakumar Thiagarajan set_bit(WLAN_ENABLED, &vif->flags); 35978dafb70eSVasanthakumar Thiagarajan ar->wlan_pwr_state = WLAN_POWER_STATE_ON; 359859c98449SVasanthakumar Thiagarajan set_bit(NETDEV_REGISTERED, &vif->flags); 35998dafb70eSVasanthakumar Thiagarajan 360055055976SVasanthakumar Thiagarajan if (type == NL80211_IFTYPE_ADHOC) 360155055976SVasanthakumar Thiagarajan ar->ibss_if_active = true; 360255055976SVasanthakumar Thiagarajan 360311f6e40dSVasanthakumar Thiagarajan spin_lock_bh(&ar->list_lock); 3604990bd915SVasanthakumar Thiagarajan list_add_tail(&vif->list, &ar->vif_list); 360511f6e40dSVasanthakumar Thiagarajan spin_unlock_bh(&ar->list_lock); 3606990bd915SVasanthakumar Thiagarajan 360784efbb84SJohannes Berg return &vif->wdev; 36088dafb70eSVasanthakumar Thiagarajan 36098dafb70eSVasanthakumar Thiagarajan err: 361027929723SVasanthakumar Thiagarajan aggr_module_destroy(vif->aggr_cntxt); 361127929723SVasanthakumar Thiagarajan free_netdev(ndev); 3612bdcd8170SKalle Valo return NULL; 3613bdcd8170SKalle Valo } 3614bdcd8170SKalle Valo 361546d33a21SKalle Valo int ath6kl_cfg80211_init(struct ath6kl *ar) 361646d33a21SKalle Valo { 361746d33a21SKalle Valo struct wiphy *wiphy = ar->wiphy; 3618d92917e4SThomas Pedersen bool band_2gig = false, band_5gig = false, ht = false; 361946d33a21SKalle Valo int ret; 362046d33a21SKalle Valo 362146d33a21SKalle Valo wiphy->mgmt_stypes = ath6kl_mgmt_stypes; 362246d33a21SKalle Valo 362346d33a21SKalle Valo wiphy->max_remain_on_channel_duration = 5000; 362446d33a21SKalle Valo 362546d33a21SKalle Valo /* set device pointer for wiphy */ 362646d33a21SKalle Valo set_wiphy_dev(wiphy, ar->dev); 362746d33a21SKalle Valo 362846d33a21SKalle Valo wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 362946d33a21SKalle Valo BIT(NL80211_IFTYPE_ADHOC) | 363046d33a21SKalle Valo BIT(NL80211_IFTYPE_AP); 363146d33a21SKalle Valo if (ar->p2p) { 363246d33a21SKalle Valo wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_GO) | 363346d33a21SKalle Valo BIT(NL80211_IFTYPE_P2P_CLIENT); 363446d33a21SKalle Valo } 363546d33a21SKalle Valo 363684841ba2SKalle Valo if (config_enabled(CONFIG_ATH6KL_REGDOMAIN) && 363784841ba2SKalle Valo test_bit(ATH6KL_FW_CAPABILITY_REGDOMAIN, ar->fw_capabilities)) 363884841ba2SKalle Valo wiphy->reg_notifier = ath6kl_cfg80211_reg_notify; 363984841ba2SKalle Valo 364046d33a21SKalle Valo /* max num of ssids that can be probed during scanning */ 36418ab5415dSJouni Malinen wiphy->max_scan_ssids = MAX_PROBED_SSIDS; 3642dd45b759SNaveen Singh 3643dd45b759SNaveen Singh /* max num of ssids that can be matched after scan */ 3644dd45b759SNaveen Singh if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_MATCH_LIST, 3645dd45b759SNaveen Singh ar->fw_capabilities)) 3646dd45b759SNaveen Singh wiphy->max_match_sets = MAX_PROBED_SSIDS; 3647dd45b759SNaveen Singh 364846d33a21SKalle Valo wiphy->max_scan_ie_len = 1000; /* FIX: what is correct limit? */ 3649d92917e4SThomas Pedersen switch (ar->hw.cap) { 3650d92917e4SThomas Pedersen case WMI_11AN_CAP: 3651d92917e4SThomas Pedersen ht = true; 3652d92917e4SThomas Pedersen case WMI_11A_CAP: 3653d92917e4SThomas Pedersen band_5gig = true; 3654d92917e4SThomas Pedersen break; 3655d92917e4SThomas Pedersen case WMI_11GN_CAP: 3656d92917e4SThomas Pedersen ht = true; 3657d92917e4SThomas Pedersen case WMI_11G_CAP: 3658d92917e4SThomas Pedersen band_2gig = true; 3659d92917e4SThomas Pedersen break; 3660d92917e4SThomas Pedersen case WMI_11AGN_CAP: 3661d92917e4SThomas Pedersen ht = true; 3662d92917e4SThomas Pedersen case WMI_11AG_CAP: 3663d92917e4SThomas Pedersen band_2gig = true; 3664d92917e4SThomas Pedersen band_5gig = true; 3665d92917e4SThomas Pedersen break; 3666d92917e4SThomas Pedersen default: 3667d92917e4SThomas Pedersen ath6kl_err("invalid phy capability!\n"); 3668d92917e4SThomas Pedersen return -EINVAL; 3669d92917e4SThomas Pedersen } 3670d92917e4SThomas Pedersen 36717fd1ce7eSVasanthakumar Thiagarajan /* 36727fd1ce7eSVasanthakumar Thiagarajan * Even if the fw has HT support, advertise HT cap only when 36737fd1ce7eSVasanthakumar Thiagarajan * the firmware has support to override RSN capability, otherwise 36747fd1ce7eSVasanthakumar Thiagarajan * 4-way handshake would fail. 36757fd1ce7eSVasanthakumar Thiagarajan */ 36767fd1ce7eSVasanthakumar Thiagarajan if (!(ht && 36777fd1ce7eSVasanthakumar Thiagarajan test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE, 36787fd1ce7eSVasanthakumar Thiagarajan ar->fw_capabilities))) { 3679d92917e4SThomas Pedersen ath6kl_band_2ghz.ht_cap.cap = 0; 3680d92917e4SThomas Pedersen ath6kl_band_2ghz.ht_cap.ht_supported = false; 3681d92917e4SThomas Pedersen ath6kl_band_5ghz.ht_cap.cap = 0; 3682d92917e4SThomas Pedersen ath6kl_band_5ghz.ht_cap.ht_supported = false; 3683d92917e4SThomas Pedersen } 368406e360acSBala Shanmugam 368506e360acSBala Shanmugam if (ar->hw.flags & ATH6KL_HW_FLAG_64BIT_RATES) { 368606e360acSBala Shanmugam ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff; 368706e360acSBala Shanmugam ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff; 368806e360acSBala Shanmugam ath6kl_band_2ghz.ht_cap.mcs.rx_mask[1] = 0xff; 368906e360acSBala Shanmugam ath6kl_band_5ghz.ht_cap.mcs.rx_mask[1] = 0xff; 369006e360acSBala Shanmugam } else { 369106e360acSBala Shanmugam ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff; 369206e360acSBala Shanmugam ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff; 369306e360acSBala Shanmugam } 369406e360acSBala Shanmugam 3695d92917e4SThomas Pedersen if (band_2gig) 369646d33a21SKalle Valo wiphy->bands[IEEE80211_BAND_2GHZ] = &ath6kl_band_2ghz; 3697d92917e4SThomas Pedersen if (band_5gig) 369846d33a21SKalle Valo wiphy->bands[IEEE80211_BAND_5GHZ] = &ath6kl_band_5ghz; 3699d92917e4SThomas Pedersen 370046d33a21SKalle Valo wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; 370146d33a21SKalle Valo 370246d33a21SKalle Valo wiphy->cipher_suites = cipher_suites; 370346d33a21SKalle Valo wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); 370446d33a21SKalle Valo 3705dfb89c56SJohannes Berg #ifdef CONFIG_PM 370646d33a21SKalle Valo wiphy->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT | 370746d33a21SKalle Valo WIPHY_WOWLAN_DISCONNECT | 370846d33a21SKalle Valo WIPHY_WOWLAN_GTK_REKEY_FAILURE | 370946d33a21SKalle Valo WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | 371046d33a21SKalle Valo WIPHY_WOWLAN_EAP_IDENTITY_REQ | 371146d33a21SKalle Valo WIPHY_WOWLAN_4WAY_HANDSHAKE; 371246d33a21SKalle Valo wiphy->wowlan.n_patterns = WOW_MAX_FILTERS_PER_LIST; 371346d33a21SKalle Valo wiphy->wowlan.pattern_min_len = 1; 371446d33a21SKalle Valo wiphy->wowlan.pattern_max_len = WOW_PATTERN_SIZE; 3715dfb89c56SJohannes Berg #endif 371646d33a21SKalle Valo 37178ab5415dSJouni Malinen wiphy->max_sched_scan_ssids = MAX_PROBED_SSIDS; 371846d33a21SKalle Valo 3719f2afdac7SVasanthakumar Thiagarajan ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM | 3720f2afdac7SVasanthakumar Thiagarajan WIPHY_FLAG_HAVE_AP_SME | 3721f2afdac7SVasanthakumar Thiagarajan WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | 3722f2afdac7SVasanthakumar Thiagarajan WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD; 3723f2afdac7SVasanthakumar Thiagarajan 3724f2afdac7SVasanthakumar Thiagarajan if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN, ar->fw_capabilities)) 3725f2afdac7SVasanthakumar Thiagarajan ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN; 3726f2afdac7SVasanthakumar Thiagarajan 372703bdeb0dSVasanthakumar Thiagarajan if (test_bit(ATH6KL_FW_CAPABILITY_INACTIVITY_TIMEOUT, 372803bdeb0dSVasanthakumar Thiagarajan ar->fw_capabilities)) 3729b292219fSJohannes Berg ar->wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER; 373003bdeb0dSVasanthakumar Thiagarajan 3731f2afdac7SVasanthakumar Thiagarajan ar->wiphy->probe_resp_offload = 3732f2afdac7SVasanthakumar Thiagarajan NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | 3733f2afdac7SVasanthakumar Thiagarajan NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | 3734a432e7ccSJouni Malinen NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; 3735f2afdac7SVasanthakumar Thiagarajan 373646d33a21SKalle Valo ret = wiphy_register(wiphy); 373746d33a21SKalle Valo if (ret < 0) { 373846d33a21SKalle Valo ath6kl_err("couldn't register wiphy device\n"); 373946d33a21SKalle Valo return ret; 374046d33a21SKalle Valo } 374146d33a21SKalle Valo 3742e5348a1eSVasanthakumar Thiagarajan ar->wiphy_registered = true; 3743e5348a1eSVasanthakumar Thiagarajan 374446d33a21SKalle Valo return 0; 374546d33a21SKalle Valo } 374646d33a21SKalle Valo 374746d33a21SKalle Valo void ath6kl_cfg80211_cleanup(struct ath6kl *ar) 3748bdcd8170SKalle Valo { 3749be98e3a4SVasanthakumar Thiagarajan wiphy_unregister(ar->wiphy); 3750e5348a1eSVasanthakumar Thiagarajan 3751e5348a1eSVasanthakumar Thiagarajan ar->wiphy_registered = false; 375245eaa78fSKalle Valo } 375346d33a21SKalle Valo 375445eaa78fSKalle Valo struct ath6kl *ath6kl_cfg80211_create(void) 375545eaa78fSKalle Valo { 375645eaa78fSKalle Valo struct ath6kl *ar; 375745eaa78fSKalle Valo struct wiphy *wiphy; 375845eaa78fSKalle Valo 375945eaa78fSKalle Valo /* create a new wiphy for use with cfg80211 */ 376045eaa78fSKalle Valo wiphy = wiphy_new(&ath6kl_cfg80211_ops, sizeof(struct ath6kl)); 376145eaa78fSKalle Valo 376245eaa78fSKalle Valo if (!wiphy) { 376345eaa78fSKalle Valo ath6kl_err("couldn't allocate wiphy device\n"); 376445eaa78fSKalle Valo return NULL; 376545eaa78fSKalle Valo } 376645eaa78fSKalle Valo 376745eaa78fSKalle Valo ar = wiphy_priv(wiphy); 376845eaa78fSKalle Valo ar->wiphy = wiphy; 376945eaa78fSKalle Valo 377045eaa78fSKalle Valo return ar; 377145eaa78fSKalle Valo } 377245eaa78fSKalle Valo 377345eaa78fSKalle Valo /* Note: ar variable must not be accessed after calling this! */ 377445eaa78fSKalle Valo void ath6kl_cfg80211_destroy(struct ath6kl *ar) 377545eaa78fSKalle Valo { 37761d2a4456SVasanthakumar Thiagarajan int i; 37771d2a4456SVasanthakumar Thiagarajan 37781d2a4456SVasanthakumar Thiagarajan for (i = 0; i < AP_MAX_NUM_STA; i++) 37791d2a4456SVasanthakumar Thiagarajan kfree(ar->sta_list[i].aggr_conn); 37801d2a4456SVasanthakumar Thiagarajan 3781be98e3a4SVasanthakumar Thiagarajan wiphy_free(ar->wiphy); 3782bdcd8170SKalle Valo } 378345eaa78fSKalle Valo 3784