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 2095fd4377b6SThomas Pedersen static int ath6kl_wow_suspend_vif(struct ath6kl_vif *vif, 2096fd4377b6SThomas Pedersen struct cfg80211_wowlan *wow, u32 *filter) 2097d91e8eeeSRaja Mani { 2098fd4377b6SThomas Pedersen struct ath6kl *ar = vif->ar; 2099d91e8eeeSRaja Mani struct in_device *in_dev; 2100d91e8eeeSRaja Mani struct in_ifaddr *ifa; 2101055bde49SRaja Mani int ret; 2102ce0dc0cfSRaja Mani u16 i, bmiss_time; 2103d91e8eeeSRaja Mani __be32 ips[MAX_IP_ADDRS]; 2104fd4377b6SThomas Pedersen u8 index = 0; 2105d91e8eeeSRaja Mani 21066821d4f0SNaveen Gangadharan if (!test_bit(NETDEV_MCAST_ALL_ON, &vif->flags) && 21076821d4f0SNaveen Gangadharan test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER, 21086821d4f0SNaveen Gangadharan ar->fw_capabilities)) { 21096251d801SNaveen Gangadharan ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi, 21106251d801SNaveen Gangadharan vif->fw_vif_idx, false); 21116251d801SNaveen Gangadharan if (ret) 21126251d801SNaveen Gangadharan return ret; 21136251d801SNaveen Gangadharan } 21146251d801SNaveen Gangadharan 2115d91e8eeeSRaja Mani /* Clear existing WOW patterns */ 2116d91e8eeeSRaja Mani for (i = 0; i < WOW_MAX_FILTERS_PER_LIST; i++) 2117d91e8eeeSRaja Mani ath6kl_wmi_del_wow_pattern_cmd(ar->wmi, vif->fw_vif_idx, 2118d91e8eeeSRaja Mani WOW_LIST_ID, i); 2119d91e8eeeSRaja Mani 2120d91e8eeeSRaja Mani /* 2121d91e8eeeSRaja Mani * Skip the default WOW pattern configuration 2122d91e8eeeSRaja Mani * if the driver receives any WOW patterns from 2123d91e8eeeSRaja Mani * the user. 2124d91e8eeeSRaja Mani */ 2125d91e8eeeSRaja Mani if (wow) 2126fd4377b6SThomas Pedersen ret = ath6kl_wow_usr(ar, vif, wow, filter); 2127d91e8eeeSRaja Mani else if (vif->nw_type == AP_NETWORK) 2128d91e8eeeSRaja Mani ret = ath6kl_wow_ap(ar, vif); 2129d91e8eeeSRaja Mani else 2130d91e8eeeSRaja Mani ret = ath6kl_wow_sta(ar, vif); 2131d91e8eeeSRaja Mani 2132d91e8eeeSRaja Mani if (ret) 2133d91e8eeeSRaja Mani return ret; 2134d91e8eeeSRaja Mani 2135390a8c8fSRaja Mani netif_stop_queue(vif->ndev); 2136390a8c8fSRaja Mani 2137ce0dc0cfSRaja Mani if (vif->nw_type != AP_NETWORK) { 2138ce0dc0cfSRaja Mani ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx, 2139ce0dc0cfSRaja Mani ATH6KL_MAX_WOW_LISTEN_INTL, 2140ce0dc0cfSRaja Mani 0); 2141ce0dc0cfSRaja Mani if (ret) 2142ce0dc0cfSRaja Mani return ret; 2143ce0dc0cfSRaja Mani 2144ce0dc0cfSRaja Mani /* Set listen interval x 15 times as bmiss time */ 2145ce0dc0cfSRaja Mani bmiss_time = ATH6KL_MAX_WOW_LISTEN_INTL * 15; 2146ce0dc0cfSRaja Mani if (bmiss_time > ATH6KL_MAX_BMISS_TIME) 2147ce0dc0cfSRaja Mani bmiss_time = ATH6KL_MAX_BMISS_TIME; 2148ce0dc0cfSRaja Mani 2149ce0dc0cfSRaja Mani ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx, 2150ce0dc0cfSRaja Mani bmiss_time, 0); 2151ce0dc0cfSRaja Mani if (ret) 2152ce0dc0cfSRaja Mani return ret; 2153ce0dc0cfSRaja Mani 2154ce0dc0cfSRaja Mani ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 2155ce0dc0cfSRaja Mani 0xFFFF, 0, 0xFFFF, 0, 0, 0, 2156ce0dc0cfSRaja Mani 0, 0, 0, 0); 2157ce0dc0cfSRaja Mani if (ret) 2158ce0dc0cfSRaja Mani return ret; 2159ce0dc0cfSRaja Mani } 2160ce0dc0cfSRaja Mani 2161c08631c6SRaja Mani /* Setup own IP addr for ARP agent. */ 2162c08631c6SRaja Mani in_dev = __in_dev_get_rtnl(vif->ndev); 2163c08631c6SRaja Mani if (!in_dev) 2164fd4377b6SThomas Pedersen return 0; 2165c08631c6SRaja Mani 2166c08631c6SRaja Mani ifa = in_dev->ifa_list; 2167c08631c6SRaja Mani memset(&ips, 0, sizeof(ips)); 2168c08631c6SRaja Mani 2169c08631c6SRaja Mani /* Configure IP addr only if IP address count < MAX_IP_ADDRS */ 2170c08631c6SRaja Mani while (index < MAX_IP_ADDRS && ifa) { 2171c08631c6SRaja Mani ips[index] = ifa->ifa_local; 2172c08631c6SRaja Mani ifa = ifa->ifa_next; 2173c08631c6SRaja Mani index++; 2174c08631c6SRaja Mani } 2175c08631c6SRaja Mani 2176c08631c6SRaja Mani if (ifa) { 2177c08631c6SRaja Mani ath6kl_err("total IP addr count is exceeding fw limit\n"); 2178c08631c6SRaja Mani return -EINVAL; 2179c08631c6SRaja Mani } 2180c08631c6SRaja Mani 2181c08631c6SRaja Mani ret = ath6kl_wmi_set_ip_cmd(ar->wmi, vif->fw_vif_idx, ips[0], ips[1]); 2182c08631c6SRaja Mani if (ret) { 2183c08631c6SRaja Mani ath6kl_err("fail to setup ip for arp agent\n"); 2184c08631c6SRaja Mani return ret; 2185c08631c6SRaja Mani } 2186c08631c6SRaja Mani 2187fd4377b6SThomas Pedersen return ret; 2188fd4377b6SThomas Pedersen } 2189fd4377b6SThomas Pedersen 2190fd4377b6SThomas Pedersen static int ath6kl_wow_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow) 2191fd4377b6SThomas Pedersen { 2192fd4377b6SThomas Pedersen struct ath6kl_vif *first_vif, *vif; 2193fd4377b6SThomas Pedersen int ret = 0; 2194fd4377b6SThomas Pedersen u32 filter = 0; 2195fd4377b6SThomas Pedersen bool connected = false; 2196fd4377b6SThomas Pedersen 2197fd4377b6SThomas Pedersen /* enter / leave wow suspend on first vif always */ 2198fd4377b6SThomas Pedersen first_vif = ath6kl_vif_first(ar); 2199fd4377b6SThomas Pedersen if (WARN_ON(unlikely(!first_vif)) || 2200fd4377b6SThomas Pedersen !ath6kl_cfg80211_ready(first_vif)) 2201fd4377b6SThomas Pedersen return -EIO; 2202fd4377b6SThomas Pedersen 2203fd4377b6SThomas Pedersen if (wow && (wow->n_patterns > WOW_MAX_FILTERS_PER_LIST)) 2204fd4377b6SThomas Pedersen return -EINVAL; 2205fd4377b6SThomas Pedersen 2206fd4377b6SThomas Pedersen /* install filters for each connected vif */ 2207fd4377b6SThomas Pedersen spin_lock_bh(&ar->list_lock); 2208fd4377b6SThomas Pedersen list_for_each_entry(vif, &ar->vif_list, list) { 2209fd4377b6SThomas Pedersen if (!test_bit(CONNECTED, &vif->flags) || 2210fd4377b6SThomas Pedersen !ath6kl_cfg80211_ready(vif)) 2211fd4377b6SThomas Pedersen continue; 2212fd4377b6SThomas Pedersen connected = true; 2213fd4377b6SThomas Pedersen 2214fd4377b6SThomas Pedersen ret = ath6kl_wow_suspend_vif(vif, wow, &filter); 2215fd4377b6SThomas Pedersen if (ret) 2216fd4377b6SThomas Pedersen break; 2217fd4377b6SThomas Pedersen } 2218fd4377b6SThomas Pedersen spin_unlock_bh(&ar->list_lock); 2219fd4377b6SThomas Pedersen 2220fd4377b6SThomas Pedersen if (!connected) 2221fd4377b6SThomas Pedersen return -ENOTCONN; 2222fd4377b6SThomas Pedersen else if (ret) 2223fd4377b6SThomas Pedersen return ret; 2224fd4377b6SThomas Pedersen 2225fd4377b6SThomas Pedersen ar->state = ATH6KL_STATE_SUSPENDING; 2226fd4377b6SThomas Pedersen 2227fd4377b6SThomas Pedersen ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, first_vif->fw_vif_idx, 22286cb3c714SRaja Mani ATH6KL_WOW_MODE_ENABLE, 22296cb3c714SRaja Mani filter, 22306cb3c714SRaja Mani WOW_HOST_REQ_DELAY); 22316cb3c714SRaja Mani if (ret) 22326cb3c714SRaja Mani return ret; 22336cb3c714SRaja Mani 2234fd4377b6SThomas Pedersen return ath6kl_cfg80211_host_sleep(ar, first_vif); 22356cb3c714SRaja Mani } 22366cb3c714SRaja Mani 2237fd4377b6SThomas Pedersen static int ath6kl_wow_resume_vif(struct ath6kl_vif *vif) 22386cb3c714SRaja Mani { 2239fd4377b6SThomas Pedersen struct ath6kl *ar = vif->ar; 22406cb3c714SRaja Mani int ret; 22416cb3c714SRaja Mani 2242ce0dc0cfSRaja Mani if (vif->nw_type != AP_NETWORK) { 2243ce0dc0cfSRaja Mani ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 2244ce0dc0cfSRaja Mani 0, 0, 0, 0, 0, 0, 3, 0, 0, 0); 2245ce0dc0cfSRaja Mani if (ret) 2246ce0dc0cfSRaja Mani return ret; 2247ce0dc0cfSRaja Mani 2248ce0dc0cfSRaja Mani ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx, 2249ce0dc0cfSRaja Mani vif->listen_intvl_t, 0); 2250ce0dc0cfSRaja Mani if (ret) 2251ce0dc0cfSRaja Mani return ret; 2252ce0dc0cfSRaja Mani 2253ce0dc0cfSRaja Mani ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx, 2254ce0dc0cfSRaja Mani vif->bmiss_time_t, 0); 2255ce0dc0cfSRaja Mani if (ret) 2256ce0dc0cfSRaja Mani return ret; 2257ce0dc0cfSRaja Mani } 2258ce0dc0cfSRaja Mani 22596821d4f0SNaveen Gangadharan if (!test_bit(NETDEV_MCAST_ALL_OFF, &vif->flags) && 22606821d4f0SNaveen Gangadharan test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER, 22616821d4f0SNaveen Gangadharan ar->fw_capabilities)) { 22626251d801SNaveen Gangadharan ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi, 22636251d801SNaveen Gangadharan vif->fw_vif_idx, true); 22646251d801SNaveen Gangadharan if (ret) 22656251d801SNaveen Gangadharan return ret; 22666251d801SNaveen Gangadharan } 22676251d801SNaveen Gangadharan 2268390a8c8fSRaja Mani netif_wake_queue(vif->ndev); 2269390a8c8fSRaja Mani 2270390a8c8fSRaja Mani return 0; 2271390a8c8fSRaja Mani } 2272390a8c8fSRaja Mani 2273fd4377b6SThomas Pedersen static int ath6kl_wow_resume(struct ath6kl *ar) 2274fd4377b6SThomas Pedersen { 2275fd4377b6SThomas Pedersen struct ath6kl_vif *vif; 2276fd4377b6SThomas Pedersen int ret; 2277fd4377b6SThomas Pedersen 2278fd4377b6SThomas Pedersen vif = ath6kl_vif_first(ar); 2279fd4377b6SThomas Pedersen if (WARN_ON(unlikely(!vif)) || 2280fd4377b6SThomas Pedersen !ath6kl_cfg80211_ready(vif)) 2281fd4377b6SThomas Pedersen return -EIO; 2282fd4377b6SThomas Pedersen 2283fd4377b6SThomas Pedersen ar->state = ATH6KL_STATE_RESUMING; 2284fd4377b6SThomas Pedersen 2285fd4377b6SThomas Pedersen ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, 2286fd4377b6SThomas Pedersen ATH6KL_HOST_MODE_AWAKE); 2287fd4377b6SThomas Pedersen if (ret) { 2288fd4377b6SThomas Pedersen ath6kl_warn("Failed to configure host sleep mode for wow resume: %d\n", 2289fd4377b6SThomas Pedersen ret); 2290fd4377b6SThomas Pedersen goto cleanup; 2291fd4377b6SThomas Pedersen } 2292fd4377b6SThomas Pedersen 2293fd4377b6SThomas Pedersen spin_lock_bh(&ar->list_lock); 2294fd4377b6SThomas Pedersen list_for_each_entry(vif, &ar->vif_list, list) { 2295fd4377b6SThomas Pedersen if (!test_bit(CONNECTED, &vif->flags) || 2296fd4377b6SThomas Pedersen !ath6kl_cfg80211_ready(vif)) 2297fd4377b6SThomas Pedersen continue; 2298fd4377b6SThomas Pedersen ret = ath6kl_wow_resume_vif(vif); 2299fd4377b6SThomas Pedersen if (ret) 2300fd4377b6SThomas Pedersen break; 2301fd4377b6SThomas Pedersen } 2302fd4377b6SThomas Pedersen spin_unlock_bh(&ar->list_lock); 2303fd4377b6SThomas Pedersen 2304fd4377b6SThomas Pedersen if (ret) 2305fd4377b6SThomas Pedersen goto cleanup; 2306fd4377b6SThomas Pedersen 2307fd4377b6SThomas Pedersen ar->state = ATH6KL_STATE_ON; 2308fd4377b6SThomas Pedersen return 0; 2309fd4377b6SThomas Pedersen 2310fd4377b6SThomas Pedersen cleanup: 2311fd4377b6SThomas Pedersen ar->state = ATH6KL_STATE_WOW; 2312fd4377b6SThomas Pedersen return ret; 2313fd4377b6SThomas Pedersen } 2314fd4377b6SThomas Pedersen 231540abc2deSRaja Mani static int ath6kl_cfg80211_deepsleep_suspend(struct ath6kl *ar) 231640abc2deSRaja Mani { 231740abc2deSRaja Mani struct ath6kl_vif *vif; 231840abc2deSRaja Mani int ret; 231940abc2deSRaja Mani 232040abc2deSRaja Mani vif = ath6kl_vif_first(ar); 232140abc2deSRaja Mani if (!vif) 232240abc2deSRaja Mani return -EIO; 232340abc2deSRaja Mani 232448f27587SMing Jiang if (!test_bit(WMI_READY, &ar->flag)) { 232548f27587SMing Jiang ath6kl_err("deepsleep failed as wmi is not ready\n"); 232640abc2deSRaja Mani return -EIO; 232748f27587SMing Jiang } 232840abc2deSRaja Mani 232940abc2deSRaja Mani ath6kl_cfg80211_stop_all(ar); 233040abc2deSRaja Mani 233140abc2deSRaja Mani /* Save the current power mode before enabling power save */ 233240abc2deSRaja Mani ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode; 233340abc2deSRaja Mani 233440abc2deSRaja Mani ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER); 233540abc2deSRaja Mani if (ret) 233640abc2deSRaja Mani return ret; 233740abc2deSRaja Mani 233840abc2deSRaja Mani /* Disable WOW mode */ 233940abc2deSRaja Mani ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx, 234040abc2deSRaja Mani ATH6KL_WOW_MODE_DISABLE, 234140abc2deSRaja Mani 0, 0); 234240abc2deSRaja Mani if (ret) 234340abc2deSRaja Mani return ret; 234440abc2deSRaja Mani 234540abc2deSRaja Mani /* Flush all non control pkts in TX path */ 234640abc2deSRaja Mani ath6kl_tx_data_cleanup(ar); 234740abc2deSRaja Mani 234840abc2deSRaja Mani ret = ath6kl_cfg80211_host_sleep(ar, vif); 234940abc2deSRaja Mani if (ret) 235040abc2deSRaja Mani return ret; 235140abc2deSRaja Mani 235240abc2deSRaja Mani return 0; 235340abc2deSRaja Mani } 235440abc2deSRaja Mani 235540abc2deSRaja Mani static int ath6kl_cfg80211_deepsleep_resume(struct ath6kl *ar) 235640abc2deSRaja Mani { 235740abc2deSRaja Mani struct ath6kl_vif *vif; 235840abc2deSRaja Mani int ret; 235940abc2deSRaja Mani 236040abc2deSRaja Mani vif = ath6kl_vif_first(ar); 236140abc2deSRaja Mani 236240abc2deSRaja Mani if (!vif) 236340abc2deSRaja Mani return -EIO; 236440abc2deSRaja Mani 236540abc2deSRaja Mani if (ar->wmi->pwr_mode != ar->wmi->saved_pwr_mode) { 236640abc2deSRaja Mani ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, 236740abc2deSRaja Mani ar->wmi->saved_pwr_mode); 236840abc2deSRaja Mani if (ret) 236940abc2deSRaja Mani return ret; 237040abc2deSRaja Mani } 237140abc2deSRaja Mani 237240abc2deSRaja Mani ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, 237340abc2deSRaja Mani ATH6KL_HOST_MODE_AWAKE); 237440abc2deSRaja Mani if (ret) 237540abc2deSRaja Mani return ret; 237640abc2deSRaja Mani 237740abc2deSRaja Mani ar->state = ATH6KL_STATE_ON; 237840abc2deSRaja Mani 237940abc2deSRaja Mani /* Reset scan parameter to default values */ 238040abc2deSRaja Mani ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 238140abc2deSRaja Mani 0, 0, 0, 0, 0, 0, 3, 0, 0, 0); 238240abc2deSRaja Mani if (ret) 238340abc2deSRaja Mani return ret; 238440abc2deSRaja Mani 238540abc2deSRaja Mani return 0; 238640abc2deSRaja Mani } 238740abc2deSRaja Mani 238852d81a68SKalle Valo int ath6kl_cfg80211_suspend(struct ath6kl *ar, 23890f60e9f4SRaja Mani enum ath6kl_cfg_suspend_mode mode, 23900f60e9f4SRaja Mani struct cfg80211_wowlan *wow) 239152d81a68SKalle Valo { 23923d79499cSVivek Natarajan struct ath6kl_vif *vif; 2393390a8c8fSRaja Mani enum ath6kl_state prev_state; 239452d81a68SKalle Valo int ret; 239552d81a68SKalle Valo 239652d81a68SKalle Valo switch (mode) { 2397d7c44e0bSRaja Mani case ATH6KL_CFG_SUSPEND_WOW: 2398d7c44e0bSRaja Mani 2399d7c44e0bSRaja Mani ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode suspend\n"); 2400d7c44e0bSRaja Mani 2401d7c44e0bSRaja Mani /* Flush all non control pkts in TX path */ 2402d7c44e0bSRaja Mani ath6kl_tx_data_cleanup(ar); 2403d7c44e0bSRaja Mani 2404390a8c8fSRaja Mani prev_state = ar->state; 2405390a8c8fSRaja Mani 2406d7c44e0bSRaja Mani ret = ath6kl_wow_suspend(ar, wow); 2407390a8c8fSRaja Mani if (ret) { 2408390a8c8fSRaja Mani ar->state = prev_state; 2409d7c44e0bSRaja Mani return ret; 2410390a8c8fSRaja Mani } 24111e9a905dSRaja Mani 2412d7c44e0bSRaja Mani ar->state = ATH6KL_STATE_WOW; 2413d7c44e0bSRaja Mani break; 2414d7c44e0bSRaja Mani 241552d81a68SKalle Valo case ATH6KL_CFG_SUSPEND_DEEPSLEEP: 2416524441e3SRaja Mani 241740abc2deSRaja Mani ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep suspend\n"); 2418524441e3SRaja Mani 241940abc2deSRaja Mani ret = ath6kl_cfg80211_deepsleep_suspend(ar); 242052d81a68SKalle Valo if (ret) { 242140abc2deSRaja Mani ath6kl_err("deepsleep suspend failed: %d\n", ret); 242240abc2deSRaja Mani return ret; 242352d81a68SKalle Valo } 242452d81a68SKalle Valo 242576a9fbe2SKalle Valo ar->state = ATH6KL_STATE_DEEPSLEEP; 242676a9fbe2SKalle Valo 242752d81a68SKalle Valo break; 2428b4b2a0b1SKalle Valo 2429b4b2a0b1SKalle Valo case ATH6KL_CFG_SUSPEND_CUTPOWER: 2430524441e3SRaja Mani 24317125f01dSKalle Valo ath6kl_cfg80211_stop_all(ar); 2432524441e3SRaja Mani 2433b4b2a0b1SKalle Valo if (ar->state == ATH6KL_STATE_OFF) { 2434b4b2a0b1SKalle Valo ath6kl_dbg(ATH6KL_DBG_SUSPEND, 2435b4b2a0b1SKalle Valo "suspend hw off, no action for cutpower\n"); 2436b4b2a0b1SKalle Valo break; 2437b4b2a0b1SKalle Valo } 2438b4b2a0b1SKalle Valo 2439b4b2a0b1SKalle Valo ath6kl_dbg(ATH6KL_DBG_SUSPEND, "suspend cutting power\n"); 2440b4b2a0b1SKalle Valo 2441b4b2a0b1SKalle Valo ret = ath6kl_init_hw_stop(ar); 2442b4b2a0b1SKalle Valo if (ret) { 2443b4b2a0b1SKalle Valo ath6kl_warn("failed to stop hw during suspend: %d\n", 2444b4b2a0b1SKalle Valo ret); 2445b4b2a0b1SKalle Valo } 2446b4b2a0b1SKalle Valo 2447b4b2a0b1SKalle Valo ar->state = ATH6KL_STATE_CUTPOWER; 2448b4b2a0b1SKalle Valo 2449b4b2a0b1SKalle Valo break; 2450b4b2a0b1SKalle Valo 245110509f90SKalle Valo case ATH6KL_CFG_SUSPEND_SCHED_SCAN: 245210509f90SKalle Valo /* 245310509f90SKalle Valo * Nothing needed for schedule scan, firmware is already in 245410509f90SKalle Valo * wow mode and sleeping most of the time. 245510509f90SKalle Valo */ 245610509f90SKalle Valo break; 245710509f90SKalle Valo 2458b4b2a0b1SKalle Valo default: 2459b4b2a0b1SKalle Valo break; 246052d81a68SKalle Valo } 246152d81a68SKalle Valo 24623d79499cSVivek Natarajan list_for_each_entry(vif, &ar->vif_list, list) 24633d79499cSVivek Natarajan ath6kl_cfg80211_scan_complete_event(vif, true); 24643d79499cSVivek Natarajan 246552d81a68SKalle Valo return 0; 246652d81a68SKalle Valo } 2467d6a434d6SKalle Valo EXPORT_SYMBOL(ath6kl_cfg80211_suspend); 246852d81a68SKalle Valo 246952d81a68SKalle Valo int ath6kl_cfg80211_resume(struct ath6kl *ar) 247052d81a68SKalle Valo { 247176a9fbe2SKalle Valo int ret; 247276a9fbe2SKalle Valo 247376a9fbe2SKalle Valo switch (ar->state) { 2474d7c44e0bSRaja Mani case ATH6KL_STATE_WOW: 2475d7c44e0bSRaja Mani ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode resume\n"); 2476d7c44e0bSRaja Mani 2477d7c44e0bSRaja Mani ret = ath6kl_wow_resume(ar); 2478d7c44e0bSRaja Mani if (ret) { 2479d7c44e0bSRaja Mani ath6kl_warn("wow mode resume failed: %d\n", ret); 2480d7c44e0bSRaja Mani return ret; 2481d7c44e0bSRaja Mani } 2482d7c44e0bSRaja Mani 2483d7c44e0bSRaja Mani break; 2484d7c44e0bSRaja Mani 248576a9fbe2SKalle Valo case ATH6KL_STATE_DEEPSLEEP: 248640abc2deSRaja Mani ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep resume\n"); 248740abc2deSRaja Mani 248840abc2deSRaja Mani ret = ath6kl_cfg80211_deepsleep_resume(ar); 248976a9fbe2SKalle Valo if (ret) { 249040abc2deSRaja Mani ath6kl_warn("deep sleep resume failed: %d\n", ret); 249140abc2deSRaja Mani return ret; 249276a9fbe2SKalle Valo } 249376a9fbe2SKalle Valo break; 249476a9fbe2SKalle Valo 2495b4b2a0b1SKalle Valo case ATH6KL_STATE_CUTPOWER: 2496b4b2a0b1SKalle Valo ath6kl_dbg(ATH6KL_DBG_SUSPEND, "resume restoring power\n"); 2497b4b2a0b1SKalle Valo 2498b4b2a0b1SKalle Valo ret = ath6kl_init_hw_start(ar); 2499b4b2a0b1SKalle Valo if (ret) { 2500b4b2a0b1SKalle Valo ath6kl_warn("Failed to boot hw in resume: %d\n", ret); 2501b4b2a0b1SKalle Valo return ret; 2502b4b2a0b1SKalle Valo } 2503d7c44e0bSRaja Mani break; 2504b4b2a0b1SKalle Valo 250510509f90SKalle Valo case ATH6KL_STATE_SCHED_SCAN: 250610509f90SKalle Valo break; 250710509f90SKalle Valo 250876a9fbe2SKalle Valo default: 250976a9fbe2SKalle Valo break; 251052d81a68SKalle Valo } 251152d81a68SKalle Valo 251252d81a68SKalle Valo return 0; 251352d81a68SKalle Valo } 2514d6a434d6SKalle Valo EXPORT_SYMBOL(ath6kl_cfg80211_resume); 251552d81a68SKalle Valo 2516abcb344bSKalle Valo #ifdef CONFIG_PM 251752d81a68SKalle Valo 251852d81a68SKalle Valo /* hif layer decides what suspend mode to use */ 251952d81a68SKalle Valo static int __ath6kl_cfg80211_suspend(struct wiphy *wiphy, 2520abcb344bSKalle Valo struct cfg80211_wowlan *wow) 2521abcb344bSKalle Valo { 2522abcb344bSKalle Valo struct ath6kl *ar = wiphy_priv(wiphy); 2523abcb344bSKalle Valo 25240f60e9f4SRaja Mani return ath6kl_hif_suspend(ar, wow); 2525abcb344bSKalle Valo } 2526aa6cffc1SChilam Ng 252752d81a68SKalle Valo static int __ath6kl_cfg80211_resume(struct wiphy *wiphy) 2528aa6cffc1SChilam Ng { 2529aa6cffc1SChilam Ng struct ath6kl *ar = wiphy_priv(wiphy); 2530aa6cffc1SChilam Ng 2531aa6cffc1SChilam Ng return ath6kl_hif_resume(ar); 2532aa6cffc1SChilam Ng } 2533a918fb3cSRaja Mani 2534a918fb3cSRaja Mani /* 2535a918fb3cSRaja Mani * FIXME: WOW suspend mode is selected if the host sdio controller supports 2536a918fb3cSRaja Mani * both sdio irq wake up and keep power. The target pulls sdio data line to 2537a918fb3cSRaja Mani * wake up the host when WOW pattern matches. This causes sdio irq handler 2538a918fb3cSRaja Mani * is being called in the host side which internally hits ath6kl's RX path. 2539a918fb3cSRaja Mani * 2540a918fb3cSRaja Mani * Since sdio interrupt is not disabled, RX path executes even before 2541a918fb3cSRaja Mani * the host executes the actual resume operation from PM module. 2542a918fb3cSRaja Mani * 2543a918fb3cSRaja Mani * In the current scenario, WOW resume should happen before start processing 2544a918fb3cSRaja Mani * any data from the target. So It's required to perform WOW resume in RX path. 2545a918fb3cSRaja Mani * Ideally we should perform WOW resume only in the actual platform 2546a918fb3cSRaja Mani * resume path. This area needs bit rework to avoid WOW resume in RX path. 2547a918fb3cSRaja Mani * 2548a918fb3cSRaja Mani * ath6kl_check_wow_status() is called from ath6kl_rx(). 2549a918fb3cSRaja Mani */ 2550a918fb3cSRaja Mani void ath6kl_check_wow_status(struct ath6kl *ar) 2551a918fb3cSRaja Mani { 2552390a8c8fSRaja Mani if (ar->state == ATH6KL_STATE_SUSPENDING) 2553390a8c8fSRaja Mani return; 2554390a8c8fSRaja Mani 2555a918fb3cSRaja Mani if (ar->state == ATH6KL_STATE_WOW) 2556a918fb3cSRaja Mani ath6kl_cfg80211_resume(ar); 2557a918fb3cSRaja Mani } 2558a918fb3cSRaja Mani 2559a918fb3cSRaja Mani #else 2560a918fb3cSRaja Mani 2561a918fb3cSRaja Mani void ath6kl_check_wow_status(struct ath6kl *ar) 2562a918fb3cSRaja Mani { 2563a918fb3cSRaja Mani } 2564abcb344bSKalle Valo #endif 2565abcb344bSKalle Valo 2566df90b369SVasanthakumar Thiagarajan static int ath6kl_set_htcap(struct ath6kl_vif *vif, enum ieee80211_band band, 2567df90b369SVasanthakumar Thiagarajan bool ht_enable) 25686a7c9badSJouni Malinen { 256967b3f129SKiran Reddy struct ath6kl_htcap *htcap = &vif->htcap[band]; 2570e68f6750SSujith Manoharan 2571df90b369SVasanthakumar Thiagarajan if (htcap->ht_enable == ht_enable) 25726a7c9badSJouni Malinen return 0; 2573df90b369SVasanthakumar Thiagarajan 2574df90b369SVasanthakumar Thiagarajan if (ht_enable) { 2575df90b369SVasanthakumar Thiagarajan /* Set default ht capabilities */ 2576df90b369SVasanthakumar Thiagarajan htcap->ht_enable = true; 2577df90b369SVasanthakumar Thiagarajan htcap->cap_info = (band == IEEE80211_BAND_2GHZ) ? 2578df90b369SVasanthakumar Thiagarajan ath6kl_g_htcap : ath6kl_a_htcap; 2579df90b369SVasanthakumar Thiagarajan htcap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K; 2580df90b369SVasanthakumar Thiagarajan } else /* Disable ht */ 2581df90b369SVasanthakumar Thiagarajan memset(htcap, 0, sizeof(*htcap)); 2582df90b369SVasanthakumar Thiagarajan 2583df90b369SVasanthakumar Thiagarajan return ath6kl_wmi_set_htcap_cmd(vif->ar->wmi, vif->fw_vif_idx, 2584df90b369SVasanthakumar Thiagarajan band, htcap); 25856a7c9badSJouni Malinen } 25866a7c9badSJouni Malinen 258737a2f950SThomas Pedersen static int ath6kl_restore_htcap(struct ath6kl_vif *vif) 258837a2f950SThomas Pedersen { 258937a2f950SThomas Pedersen struct wiphy *wiphy = vif->ar->wiphy; 259037a2f950SThomas Pedersen int band, ret = 0; 259137a2f950SThomas Pedersen 259237a2f950SThomas Pedersen for (band = 0; band < IEEE80211_NUM_BANDS; band++) { 259337a2f950SThomas Pedersen if (!wiphy->bands[band]) 259437a2f950SThomas Pedersen continue; 259537a2f950SThomas Pedersen 259637a2f950SThomas Pedersen ret = ath6kl_set_htcap(vif, band, 259737a2f950SThomas Pedersen wiphy->bands[band]->ht_cap.ht_supported); 259837a2f950SThomas Pedersen if (ret) 259937a2f950SThomas Pedersen return ret; 260037a2f950SThomas Pedersen } 260137a2f950SThomas Pedersen 260237a2f950SThomas Pedersen return ret; 260337a2f950SThomas Pedersen } 260437a2f950SThomas Pedersen 26058bdfbf40SJouni Malinen static bool ath6kl_is_p2p_ie(const u8 *pos) 26068bdfbf40SJouni Malinen { 26078bdfbf40SJouni Malinen return pos[0] == WLAN_EID_VENDOR_SPECIFIC && pos[1] >= 4 && 26088bdfbf40SJouni Malinen pos[2] == 0x50 && pos[3] == 0x6f && 26098bdfbf40SJouni Malinen pos[4] == 0x9a && pos[5] == 0x09; 26108bdfbf40SJouni Malinen } 26118bdfbf40SJouni Malinen 2612334234b5SVasanthakumar Thiagarajan static int ath6kl_set_ap_probe_resp_ies(struct ath6kl_vif *vif, 2613334234b5SVasanthakumar Thiagarajan const u8 *ies, size_t ies_len) 26148bdfbf40SJouni Malinen { 2615334234b5SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 26168bdfbf40SJouni Malinen const u8 *pos; 26178bdfbf40SJouni Malinen u8 *buf = NULL; 26188bdfbf40SJouni Malinen size_t len = 0; 26198bdfbf40SJouni Malinen int ret; 26208bdfbf40SJouni Malinen 26218bdfbf40SJouni Malinen /* 26228bdfbf40SJouni Malinen * Filter out P2P IE(s) since they will be included depending on 26238bdfbf40SJouni Malinen * the Probe Request frame in ath6kl_send_go_probe_resp(). 26248bdfbf40SJouni Malinen */ 26258bdfbf40SJouni Malinen 26268bdfbf40SJouni Malinen if (ies && ies_len) { 26278bdfbf40SJouni Malinen buf = kmalloc(ies_len, GFP_KERNEL); 26288bdfbf40SJouni Malinen if (buf == NULL) 26298bdfbf40SJouni Malinen return -ENOMEM; 26308bdfbf40SJouni Malinen pos = ies; 26318bdfbf40SJouni Malinen while (pos + 1 < ies + ies_len) { 26328bdfbf40SJouni Malinen if (pos + 2 + pos[1] > ies + ies_len) 26338bdfbf40SJouni Malinen break; 26348bdfbf40SJouni Malinen if (!ath6kl_is_p2p_ie(pos)) { 26358bdfbf40SJouni Malinen memcpy(buf + len, pos, 2 + pos[1]); 26368bdfbf40SJouni Malinen len += 2 + pos[1]; 26378bdfbf40SJouni Malinen } 26388bdfbf40SJouni Malinen pos += 2 + pos[1]; 26398bdfbf40SJouni Malinen } 26408bdfbf40SJouni Malinen } 26418bdfbf40SJouni Malinen 2642334234b5SVasanthakumar Thiagarajan ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 2643334234b5SVasanthakumar Thiagarajan WMI_FRAME_PROBE_RESP, buf, len); 26448bdfbf40SJouni Malinen kfree(buf); 26458bdfbf40SJouni Malinen return ret; 26468bdfbf40SJouni Malinen } 26478bdfbf40SJouni Malinen 26488860020eSJohannes Berg static int ath6kl_set_ies(struct ath6kl_vif *vif, 26498860020eSJohannes Berg struct cfg80211_beacon_data *info) 26508860020eSJohannes Berg { 26518860020eSJohannes Berg struct ath6kl *ar = vif->ar; 26528860020eSJohannes Berg int res; 26538860020eSJohannes Berg 265417a7b16dSAarthi Thiruvengadam /* this also clears IE in fw if it's not set */ 26558860020eSJohannes Berg res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 26568860020eSJohannes Berg WMI_FRAME_BEACON, 26578860020eSJohannes Berg info->beacon_ies, 26588860020eSJohannes Berg info->beacon_ies_len); 26598860020eSJohannes Berg if (res) 26608860020eSJohannes Berg return res; 26618860020eSJohannes Berg 266217a7b16dSAarthi Thiruvengadam /* this also clears IE in fw if it's not set */ 26638860020eSJohannes Berg res = ath6kl_set_ap_probe_resp_ies(vif, info->proberesp_ies, 26648860020eSJohannes Berg info->proberesp_ies_len); 26658860020eSJohannes Berg if (res) 26668860020eSJohannes Berg return res; 26678860020eSJohannes Berg 266817a7b16dSAarthi Thiruvengadam /* this also clears IE in fw if it's not set */ 26698860020eSJohannes Berg res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 26708860020eSJohannes Berg WMI_FRAME_ASSOC_RESP, 26718860020eSJohannes Berg info->assocresp_ies, 26728860020eSJohannes Berg info->assocresp_ies_len); 26738860020eSJohannes Berg if (res) 26748860020eSJohannes Berg return res; 26758860020eSJohannes Berg 26768860020eSJohannes Berg return 0; 26778860020eSJohannes Berg } 26788860020eSJohannes Berg 2679c422d52dSThomas Pedersen void ath6kl_cfg80211_sta_bmiss_enhance(struct ath6kl_vif *vif, bool enable) 2680c422d52dSThomas Pedersen { 2681c422d52dSThomas Pedersen int err; 2682c422d52dSThomas Pedersen 2683c422d52dSThomas Pedersen if (WARN_ON(!test_bit(WMI_READY, &vif->ar->flag))) 2684c422d52dSThomas Pedersen return; 2685c422d52dSThomas Pedersen 2686c422d52dSThomas Pedersen if (vif->nw_type != INFRA_NETWORK) 2687c422d52dSThomas Pedersen return; 2688c422d52dSThomas Pedersen 2689c422d52dSThomas Pedersen if (!test_bit(ATH6KL_FW_CAPABILITY_BMISS_ENHANCE, 2690c422d52dSThomas Pedersen vif->ar->fw_capabilities)) 2691c422d52dSThomas Pedersen return; 2692c422d52dSThomas Pedersen 2693c422d52dSThomas Pedersen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s fw bmiss enhance\n", 2694c422d52dSThomas Pedersen enable ? "enable" : "disable"); 2695c422d52dSThomas Pedersen 2696c422d52dSThomas Pedersen err = ath6kl_wmi_sta_bmiss_enhance_cmd(vif->ar->wmi, 2697c422d52dSThomas Pedersen vif->fw_vif_idx, enable); 2698c422d52dSThomas Pedersen if (err) 2699c422d52dSThomas Pedersen ath6kl_err("failed to %s enhanced bmiss detection: %d\n", 2700c422d52dSThomas Pedersen enable ? "enable" : "disable", err); 2701c422d52dSThomas Pedersen } 2702c422d52dSThomas Pedersen 2703d97c121bSVasanthakumar Thiagarajan static int ath6kl_get_rsn_capab(struct cfg80211_beacon_data *beacon, 2704d97c121bSVasanthakumar Thiagarajan u8 *rsn_capab) 2705d97c121bSVasanthakumar Thiagarajan { 2706d97c121bSVasanthakumar Thiagarajan const u8 *rsn_ie; 2707d97c121bSVasanthakumar Thiagarajan size_t rsn_ie_len; 2708d97c121bSVasanthakumar Thiagarajan u16 cnt; 2709d97c121bSVasanthakumar Thiagarajan 2710d97c121bSVasanthakumar Thiagarajan if (!beacon->tail) 2711d97c121bSVasanthakumar Thiagarajan return -EINVAL; 2712d97c121bSVasanthakumar Thiagarajan 2713d97c121bSVasanthakumar Thiagarajan rsn_ie = cfg80211_find_ie(WLAN_EID_RSN, beacon->tail, beacon->tail_len); 2714d97c121bSVasanthakumar Thiagarajan if (!rsn_ie) 2715d97c121bSVasanthakumar Thiagarajan return -EINVAL; 2716d97c121bSVasanthakumar Thiagarajan 2717d97c121bSVasanthakumar Thiagarajan rsn_ie_len = *(rsn_ie + 1); 2718d97c121bSVasanthakumar Thiagarajan /* skip element id and length */ 2719d97c121bSVasanthakumar Thiagarajan rsn_ie += 2; 2720d97c121bSVasanthakumar Thiagarajan 27219e8b16dbSVasanthakumar Thiagarajan /* skip version */ 27229e8b16dbSVasanthakumar Thiagarajan if (rsn_ie_len < 2) 2723d97c121bSVasanthakumar Thiagarajan return -EINVAL; 27249e8b16dbSVasanthakumar Thiagarajan rsn_ie += 2; 27259e8b16dbSVasanthakumar Thiagarajan rsn_ie_len -= 2; 27269e8b16dbSVasanthakumar Thiagarajan 27279e8b16dbSVasanthakumar Thiagarajan /* skip group cipher suite */ 27289e8b16dbSVasanthakumar Thiagarajan if (rsn_ie_len < 4) 27299e8b16dbSVasanthakumar Thiagarajan return 0; 27309e8b16dbSVasanthakumar Thiagarajan rsn_ie += 4; 27319e8b16dbSVasanthakumar Thiagarajan rsn_ie_len -= 4; 2732d97c121bSVasanthakumar Thiagarajan 2733d97c121bSVasanthakumar Thiagarajan /* skip pairwise cipher suite */ 2734d97c121bSVasanthakumar Thiagarajan if (rsn_ie_len < 2) 27359e8b16dbSVasanthakumar Thiagarajan return 0; 2736798985c6SVasanthakumar Thiagarajan cnt = get_unaligned_le16(rsn_ie); 2737d97c121bSVasanthakumar Thiagarajan rsn_ie += (2 + cnt * 4); 2738d97c121bSVasanthakumar Thiagarajan rsn_ie_len -= (2 + cnt * 4); 2739d97c121bSVasanthakumar Thiagarajan 2740d97c121bSVasanthakumar Thiagarajan /* skip akm suite */ 2741d97c121bSVasanthakumar Thiagarajan if (rsn_ie_len < 2) 27429e8b16dbSVasanthakumar Thiagarajan return 0; 2743798985c6SVasanthakumar Thiagarajan cnt = get_unaligned_le16(rsn_ie); 2744d97c121bSVasanthakumar Thiagarajan rsn_ie += (2 + cnt * 4); 2745d97c121bSVasanthakumar Thiagarajan rsn_ie_len -= (2 + cnt * 4); 2746d97c121bSVasanthakumar Thiagarajan 2747d97c121bSVasanthakumar Thiagarajan if (rsn_ie_len < 2) 27489e8b16dbSVasanthakumar Thiagarajan return 0; 2749d97c121bSVasanthakumar Thiagarajan 2750d97c121bSVasanthakumar Thiagarajan memcpy(rsn_capab, rsn_ie, 2); 2751d97c121bSVasanthakumar Thiagarajan 2752d97c121bSVasanthakumar Thiagarajan return 0; 2753d97c121bSVasanthakumar Thiagarajan } 2754d97c121bSVasanthakumar Thiagarajan 27558860020eSJohannes Berg static int ath6kl_start_ap(struct wiphy *wiphy, struct net_device *dev, 27568860020eSJohannes Berg struct cfg80211_ap_settings *info) 27576a7c9badSJouni Malinen { 27586a7c9badSJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 27593450334fSVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 27606a7c9badSJouni Malinen struct ieee80211_mgmt *mgmt; 276167cd22e4SThomas Pedersen bool hidden = false; 27626a7c9badSJouni Malinen u8 *ies; 27636a7c9badSJouni Malinen int ies_len; 27646a7c9badSJouni Malinen struct wmi_connect_cmd p; 27656a7c9badSJouni Malinen int res; 2766be5abaafSVasanthakumar Thiagarajan int i, ret; 2767d97c121bSVasanthakumar Thiagarajan u16 rsn_capab = 0; 27686a7c9badSJouni Malinen 27698860020eSJohannes Berg ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s:\n", __func__); 27706a7c9badSJouni Malinen 2771990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 27726a7c9badSJouni Malinen return -EIO; 27736a7c9badSJouni Malinen 2774f5938f24SVasanthakumar Thiagarajan if (vif->next_mode != AP_NETWORK) 27756a7c9badSJouni Malinen return -EOPNOTSUPP; 27766a7c9badSJouni Malinen 27778860020eSJohannes Berg res = ath6kl_set_ies(vif, &info->beacon); 27786a7c9badSJouni Malinen 27799a5b1318SJouni Malinen ar->ap_mode_bkey.valid = false; 27809a5b1318SJouni Malinen 27816a7c9badSJouni Malinen /* TODO: 27826a7c9badSJouni Malinen * info->interval 27836a7c9badSJouni Malinen */ 27846a7c9badSJouni Malinen 2785d154f32eSEtay Luz ret = ath6kl_wmi_ap_set_dtim_cmd(ar->wmi, vif->fw_vif_idx, 2786d154f32eSEtay Luz info->dtim_period); 2787d154f32eSEtay Luz 2788d154f32eSEtay Luz /* ignore error, just print a warning and continue normally */ 2789d154f32eSEtay Luz if (ret) 2790d154f32eSEtay Luz ath6kl_warn("Failed to set dtim_period in beacon: %d\n", ret); 2791d154f32eSEtay Luz 27928860020eSJohannes Berg if (info->beacon.head == NULL) 27936a7c9badSJouni Malinen return -EINVAL; 27948860020eSJohannes Berg mgmt = (struct ieee80211_mgmt *) info->beacon.head; 27956a7c9badSJouni Malinen ies = mgmt->u.beacon.variable; 27968860020eSJohannes Berg if (ies > info->beacon.head + info->beacon.head_len) 27976a7c9badSJouni Malinen return -EINVAL; 27988860020eSJohannes Berg ies_len = info->beacon.head + info->beacon.head_len - ies; 27996a7c9badSJouni Malinen 28006a7c9badSJouni Malinen if (info->ssid == NULL) 28016a7c9badSJouni Malinen return -EINVAL; 28023450334fSVasanthakumar Thiagarajan memcpy(vif->ssid, info->ssid, info->ssid_len); 28033450334fSVasanthakumar Thiagarajan vif->ssid_len = info->ssid_len; 28046a7c9badSJouni Malinen if (info->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE) 280567cd22e4SThomas Pedersen hidden = true; 280667cd22e4SThomas Pedersen 280767cd22e4SThomas Pedersen res = ath6kl_wmi_ap_hidden_ssid(ar->wmi, vif->fw_vif_idx, hidden); 280867cd22e4SThomas Pedersen if (res) 280967cd22e4SThomas Pedersen return res; 28106a7c9badSJouni Malinen 2811be5abaafSVasanthakumar Thiagarajan ret = ath6kl_set_auth_type(vif, info->auth_type); 2812be5abaafSVasanthakumar Thiagarajan if (ret) 2813be5abaafSVasanthakumar Thiagarajan return ret; 28146a7c9badSJouni Malinen 28156a7c9badSJouni Malinen memset(&p, 0, sizeof(p)); 28166a7c9badSJouni Malinen 28176a7c9badSJouni Malinen for (i = 0; i < info->crypto.n_akm_suites; i++) { 28186a7c9badSJouni Malinen switch (info->crypto.akm_suites[i]) { 28196a7c9badSJouni Malinen case WLAN_AKM_SUITE_8021X: 28206a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1) 28216a7c9badSJouni Malinen p.auth_mode |= WPA_AUTH; 28226a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2) 28236a7c9badSJouni Malinen p.auth_mode |= WPA2_AUTH; 28246a7c9badSJouni Malinen break; 28256a7c9badSJouni Malinen case WLAN_AKM_SUITE_PSK: 28266a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1) 28276a7c9badSJouni Malinen p.auth_mode |= WPA_PSK_AUTH; 28286a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2) 28296a7c9badSJouni Malinen p.auth_mode |= WPA2_PSK_AUTH; 28306a7c9badSJouni Malinen break; 28316a7c9badSJouni Malinen } 28326a7c9badSJouni Malinen } 28336a7c9badSJouni Malinen if (p.auth_mode == 0) 28346a7c9badSJouni Malinen p.auth_mode = NONE_AUTH; 28353450334fSVasanthakumar Thiagarajan vif->auth_mode = p.auth_mode; 28366a7c9badSJouni Malinen 28376a7c9badSJouni Malinen for (i = 0; i < info->crypto.n_ciphers_pairwise; i++) { 28386a7c9badSJouni Malinen switch (info->crypto.ciphers_pairwise[i]) { 28396a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP40: 28406a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP104: 28416a7c9badSJouni Malinen p.prwise_crypto_type |= WEP_CRYPT; 28426a7c9badSJouni Malinen break; 28436a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_TKIP: 28446a7c9badSJouni Malinen p.prwise_crypto_type |= TKIP_CRYPT; 28456a7c9badSJouni Malinen break; 28466a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_CCMP: 28476a7c9badSJouni Malinen p.prwise_crypto_type |= AES_CRYPT; 28486a7c9badSJouni Malinen break; 2849b8214df1SDai Shuibing case WLAN_CIPHER_SUITE_SMS4: 2850b8214df1SDai Shuibing p.prwise_crypto_type |= WAPI_CRYPT; 2851b8214df1SDai Shuibing break; 28526a7c9badSJouni Malinen } 28536a7c9badSJouni Malinen } 2854229ed6b5SEdward Lu if (p.prwise_crypto_type == 0) { 28556a7c9badSJouni Malinen p.prwise_crypto_type = NONE_CRYPT; 2856240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, 0, true); 2857229ed6b5SEdward Lu } else if (info->crypto.n_ciphers_pairwise == 1) 2858240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, info->crypto.ciphers_pairwise[0], true); 28596a7c9badSJouni Malinen 28606a7c9badSJouni Malinen switch (info->crypto.cipher_group) { 28616a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP40: 28626a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP104: 28636a7c9badSJouni Malinen p.grp_crypto_type = WEP_CRYPT; 28646a7c9badSJouni Malinen break; 28656a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_TKIP: 28666a7c9badSJouni Malinen p.grp_crypto_type = TKIP_CRYPT; 28676a7c9badSJouni Malinen break; 28686a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_CCMP: 28696a7c9badSJouni Malinen p.grp_crypto_type = AES_CRYPT; 28706a7c9badSJouni Malinen break; 2871b8214df1SDai Shuibing case WLAN_CIPHER_SUITE_SMS4: 2872b8214df1SDai Shuibing p.grp_crypto_type = WAPI_CRYPT; 2873b8214df1SDai Shuibing break; 28746a7c9badSJouni Malinen default: 28756a7c9badSJouni Malinen p.grp_crypto_type = NONE_CRYPT; 28766a7c9badSJouni Malinen break; 28776a7c9badSJouni Malinen } 2878240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, info->crypto.cipher_group, false); 28796a7c9badSJouni Malinen 28806a7c9badSJouni Malinen p.nw_type = AP_NETWORK; 2881f5938f24SVasanthakumar Thiagarajan vif->nw_type = vif->next_mode; 28826a7c9badSJouni Malinen 28833450334fSVasanthakumar Thiagarajan p.ssid_len = vif->ssid_len; 28843450334fSVasanthakumar Thiagarajan memcpy(p.ssid, vif->ssid, vif->ssid_len); 28853450334fSVasanthakumar Thiagarajan p.dot11_auth_mode = vif->dot11_auth_mode; 2886aa430da4SJohannes Berg p.ch = cpu_to_le16(info->channel->center_freq); 28876a7c9badSJouni Malinen 2888c1762a3fSThirumalai Pachamuthu /* Enable uAPSD support by default */ 2889c1762a3fSThirumalai Pachamuthu res = ath6kl_wmi_ap_set_apsd(ar->wmi, vif->fw_vif_idx, true); 2890c1762a3fSThirumalai Pachamuthu if (res < 0) 2891c1762a3fSThirumalai Pachamuthu return res; 2892c1762a3fSThirumalai Pachamuthu 28933ca9d1fcSAarthi Thiruvengadam if (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO) { 28943ca9d1fcSAarthi Thiruvengadam p.nw_subtype = SUBTYPE_P2PGO; 28953ca9d1fcSAarthi Thiruvengadam } else { 28963ca9d1fcSAarthi Thiruvengadam /* 28973ca9d1fcSAarthi Thiruvengadam * Due to firmware limitation, it is not possible to 28983ca9d1fcSAarthi Thiruvengadam * do P2P mgmt operations in AP mode 28993ca9d1fcSAarthi Thiruvengadam */ 29003ca9d1fcSAarthi Thiruvengadam p.nw_subtype = SUBTYPE_NONE; 29013ca9d1fcSAarthi Thiruvengadam } 29023ca9d1fcSAarthi Thiruvengadam 290303bdeb0dSVasanthakumar Thiagarajan if (info->inactivity_timeout) { 290403bdeb0dSVasanthakumar Thiagarajan res = ath6kl_wmi_set_inact_period(ar->wmi, vif->fw_vif_idx, 290503bdeb0dSVasanthakumar Thiagarajan info->inactivity_timeout); 290603bdeb0dSVasanthakumar Thiagarajan if (res < 0) 290703bdeb0dSVasanthakumar Thiagarajan return res; 290803bdeb0dSVasanthakumar Thiagarajan } 290903bdeb0dSVasanthakumar Thiagarajan 2910aa430da4SJohannes Berg if (ath6kl_set_htcap(vif, info->channel->band, 2911aa430da4SJohannes Berg info->channel_type != NL80211_CHAN_NO_HT)) 2912df90b369SVasanthakumar Thiagarajan return -EIO; 2913df90b369SVasanthakumar Thiagarajan 2914d97c121bSVasanthakumar Thiagarajan /* 2915d97c121bSVasanthakumar Thiagarajan * Get the PTKSA replay counter in the RSN IE. Supplicant 2916d97c121bSVasanthakumar Thiagarajan * will use the RSN IE in M3 message and firmware has to 2917d97c121bSVasanthakumar Thiagarajan * advertise the same in beacon/probe response. Send 2918d97c121bSVasanthakumar Thiagarajan * the complete RSN IE capability field to firmware 2919d97c121bSVasanthakumar Thiagarajan */ 2920d97c121bSVasanthakumar Thiagarajan if (!ath6kl_get_rsn_capab(&info->beacon, (u8 *) &rsn_capab) && 2921d97c121bSVasanthakumar Thiagarajan test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE, 2922d97c121bSVasanthakumar Thiagarajan ar->fw_capabilities)) { 2923d97c121bSVasanthakumar Thiagarajan res = ath6kl_wmi_set_ie_cmd(ar->wmi, vif->fw_vif_idx, 2924d97c121bSVasanthakumar Thiagarajan WLAN_EID_RSN, WMI_RSN_IE_CAPB, 2925d97c121bSVasanthakumar Thiagarajan (const u8 *) &rsn_capab, 2926d97c121bSVasanthakumar Thiagarajan sizeof(rsn_capab)); 2927d97c121bSVasanthakumar Thiagarajan if (res < 0) 2928d97c121bSVasanthakumar Thiagarajan return res; 2929d97c121bSVasanthakumar Thiagarajan } 2930d97c121bSVasanthakumar Thiagarajan 2931c4f7863eSThomas Pedersen memcpy(&vif->profile, &p, sizeof(p)); 2932334234b5SVasanthakumar Thiagarajan res = ath6kl_wmi_ap_profile_commit(ar->wmi, vif->fw_vif_idx, &p); 29339a5b1318SJouni Malinen if (res < 0) 29349a5b1318SJouni Malinen return res; 29359a5b1318SJouni Malinen 29369a5b1318SJouni Malinen return 0; 29376a7c9badSJouni Malinen } 29386a7c9badSJouni Malinen 29398860020eSJohannes Berg static int ath6kl_change_beacon(struct wiphy *wiphy, struct net_device *dev, 29408860020eSJohannes Berg struct cfg80211_beacon_data *beacon) 29416a7c9badSJouni Malinen { 29428860020eSJohannes Berg struct ath6kl_vif *vif = netdev_priv(dev); 29438860020eSJohannes Berg 29448860020eSJohannes Berg if (!ath6kl_cfg80211_ready(vif)) 29458860020eSJohannes Berg return -EIO; 29468860020eSJohannes Berg 29478860020eSJohannes Berg if (vif->next_mode != AP_NETWORK) 29488860020eSJohannes Berg return -EOPNOTSUPP; 29498860020eSJohannes Berg 29508860020eSJohannes Berg return ath6kl_set_ies(vif, beacon); 29516a7c9badSJouni Malinen } 29526a7c9badSJouni Malinen 29538860020eSJohannes Berg static int ath6kl_stop_ap(struct wiphy *wiphy, struct net_device *dev) 29546a7c9badSJouni Malinen { 29556a7c9badSJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 295659c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 29576a7c9badSJouni Malinen 2958f5938f24SVasanthakumar Thiagarajan if (vif->nw_type != AP_NETWORK) 29596a7c9badSJouni Malinen return -EOPNOTSUPP; 296059c98449SVasanthakumar Thiagarajan if (!test_bit(CONNECTED, &vif->flags)) 29616a7c9badSJouni Malinen return -ENOTCONN; 29626a7c9badSJouni Malinen 2963334234b5SVasanthakumar Thiagarajan ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx); 296459c98449SVasanthakumar Thiagarajan clear_bit(CONNECTED, &vif->flags); 29656a7c9badSJouni Malinen 2966df90b369SVasanthakumar Thiagarajan /* Restore ht setting in firmware */ 296737a2f950SThomas Pedersen return ath6kl_restore_htcap(vif); 29686a7c9badSJouni Malinen } 29696a7c9badSJouni Malinen 297033e5308dSJouni Malinen static const u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; 297133e5308dSJouni Malinen 297233e5308dSJouni Malinen static int ath6kl_del_station(struct wiphy *wiphy, struct net_device *dev, 297333e5308dSJouni Malinen u8 *mac) 297433e5308dSJouni Malinen { 297533e5308dSJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 297633e5308dSJouni Malinen struct ath6kl_vif *vif = netdev_priv(dev); 297733e5308dSJouni Malinen const u8 *addr = mac ? mac : bcast_addr; 297833e5308dSJouni Malinen 297933e5308dSJouni Malinen return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, WMI_AP_DEAUTH, 298033e5308dSJouni Malinen addr, WLAN_REASON_PREV_AUTH_NOT_VALID); 298133e5308dSJouni Malinen } 298233e5308dSJouni Malinen 298323875136SJouni Malinen static int ath6kl_change_station(struct wiphy *wiphy, struct net_device *dev, 298423875136SJouni Malinen u8 *mac, struct station_parameters *params) 298523875136SJouni Malinen { 298623875136SJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 2987f5938f24SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 298823875136SJouni Malinen 2989f5938f24SVasanthakumar Thiagarajan if (vif->nw_type != AP_NETWORK) 299023875136SJouni Malinen return -EOPNOTSUPP; 299123875136SJouni Malinen 299223875136SJouni Malinen /* Use this only for authorizing/unauthorizing a station */ 299323875136SJouni Malinen if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))) 299423875136SJouni Malinen return -EOPNOTSUPP; 299523875136SJouni Malinen 299623875136SJouni Malinen if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED)) 2997334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, 2998334234b5SVasanthakumar Thiagarajan WMI_AP_MLME_AUTHORIZE, mac, 0); 2999334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, 3000334234b5SVasanthakumar Thiagarajan WMI_AP_MLME_UNAUTHORIZE, mac, 0); 300123875136SJouni Malinen } 300223875136SJouni Malinen 300363fa1e0cSJouni Malinen static int ath6kl_remain_on_channel(struct wiphy *wiphy, 300471bbc994SJohannes Berg struct wireless_dev *wdev, 300563fa1e0cSJouni Malinen struct ieee80211_channel *chan, 300663fa1e0cSJouni Malinen enum nl80211_channel_type channel_type, 300763fa1e0cSJouni Malinen unsigned int duration, 300863fa1e0cSJouni Malinen u64 *cookie) 300963fa1e0cSJouni Malinen { 301071bbc994SJohannes Berg struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); 301171bbc994SJohannes Berg struct ath6kl *ar = ath6kl_priv(vif->ndev); 30121052261eSJouni Malinen u32 id; 301363fa1e0cSJouni Malinen 301463fa1e0cSJouni Malinen /* TODO: if already pending or ongoing remain-on-channel, 301563fa1e0cSJouni Malinen * return -EBUSY */ 30161052261eSJouni Malinen id = ++vif->last_roc_id; 30171052261eSJouni Malinen if (id == 0) { 30181052261eSJouni Malinen /* Do not use 0 as the cookie value */ 30191052261eSJouni Malinen id = ++vif->last_roc_id; 30201052261eSJouni Malinen } 30211052261eSJouni Malinen *cookie = id; 302263fa1e0cSJouni Malinen 3023334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx, 3024334234b5SVasanthakumar Thiagarajan chan->center_freq, duration); 302563fa1e0cSJouni Malinen } 302663fa1e0cSJouni Malinen 302763fa1e0cSJouni Malinen static int ath6kl_cancel_remain_on_channel(struct wiphy *wiphy, 302871bbc994SJohannes Berg struct wireless_dev *wdev, 302963fa1e0cSJouni Malinen u64 cookie) 303063fa1e0cSJouni Malinen { 303171bbc994SJohannes Berg struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); 303271bbc994SJohannes Berg struct ath6kl *ar = ath6kl_priv(vif->ndev); 303363fa1e0cSJouni Malinen 30341052261eSJouni Malinen if (cookie != vif->last_roc_id) 303563fa1e0cSJouni Malinen return -ENOENT; 30361052261eSJouni Malinen vif->last_cancel_roc_id = cookie; 303763fa1e0cSJouni Malinen 3038334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_cancel_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx); 303963fa1e0cSJouni Malinen } 304063fa1e0cSJouni Malinen 3041334234b5SVasanthakumar Thiagarajan static int ath6kl_send_go_probe_resp(struct ath6kl_vif *vif, 3042334234b5SVasanthakumar Thiagarajan const u8 *buf, size_t len, 3043334234b5SVasanthakumar Thiagarajan unsigned int freq) 30448bdfbf40SJouni Malinen { 3045334234b5SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 30468bdfbf40SJouni Malinen const u8 *pos; 30478bdfbf40SJouni Malinen u8 *p2p; 30488bdfbf40SJouni Malinen int p2p_len; 30498bdfbf40SJouni Malinen int ret; 30508bdfbf40SJouni Malinen const struct ieee80211_mgmt *mgmt; 30518bdfbf40SJouni Malinen 30528bdfbf40SJouni Malinen mgmt = (const struct ieee80211_mgmt *) buf; 30538bdfbf40SJouni Malinen 30548bdfbf40SJouni Malinen /* Include P2P IE(s) from the frame generated in user space. */ 30558bdfbf40SJouni Malinen 30568bdfbf40SJouni Malinen p2p = kmalloc(len, GFP_KERNEL); 30578bdfbf40SJouni Malinen if (p2p == NULL) 30588bdfbf40SJouni Malinen return -ENOMEM; 30598bdfbf40SJouni Malinen p2p_len = 0; 30608bdfbf40SJouni Malinen 30618bdfbf40SJouni Malinen pos = mgmt->u.probe_resp.variable; 30628bdfbf40SJouni Malinen while (pos + 1 < buf + len) { 30638bdfbf40SJouni Malinen if (pos + 2 + pos[1] > buf + len) 30648bdfbf40SJouni Malinen break; 30658bdfbf40SJouni Malinen if (ath6kl_is_p2p_ie(pos)) { 30668bdfbf40SJouni Malinen memcpy(p2p + p2p_len, pos, 2 + pos[1]); 30678bdfbf40SJouni Malinen p2p_len += 2 + pos[1]; 30688bdfbf40SJouni Malinen } 30698bdfbf40SJouni Malinen pos += 2 + pos[1]; 30708bdfbf40SJouni Malinen } 30718bdfbf40SJouni Malinen 3072334234b5SVasanthakumar Thiagarajan ret = ath6kl_wmi_send_probe_response_cmd(ar->wmi, vif->fw_vif_idx, freq, 3073334234b5SVasanthakumar Thiagarajan mgmt->da, p2p, p2p_len); 30748bdfbf40SJouni Malinen kfree(p2p); 30758bdfbf40SJouni Malinen return ret; 30768bdfbf40SJouni Malinen } 30778bdfbf40SJouni Malinen 3078d0ff7383SNaveen Gangadharan static bool ath6kl_mgmt_powersave_ap(struct ath6kl_vif *vif, 3079d0ff7383SNaveen Gangadharan u32 id, 3080d0ff7383SNaveen Gangadharan u32 freq, 3081d0ff7383SNaveen Gangadharan u32 wait, 3082d0ff7383SNaveen Gangadharan const u8 *buf, 3083d0ff7383SNaveen Gangadharan size_t len, 3084d0ff7383SNaveen Gangadharan bool *more_data, 3085d0ff7383SNaveen Gangadharan bool no_cck) 3086d0ff7383SNaveen Gangadharan { 3087d0ff7383SNaveen Gangadharan struct ieee80211_mgmt *mgmt; 3088d0ff7383SNaveen Gangadharan struct ath6kl_sta *conn; 3089d0ff7383SNaveen Gangadharan bool is_psq_empty = false; 3090d0ff7383SNaveen Gangadharan struct ath6kl_mgmt_buff *mgmt_buf; 3091d0ff7383SNaveen Gangadharan size_t mgmt_buf_size; 3092d0ff7383SNaveen Gangadharan struct ath6kl *ar = vif->ar; 3093d0ff7383SNaveen Gangadharan 3094d0ff7383SNaveen Gangadharan mgmt = (struct ieee80211_mgmt *) buf; 3095d0ff7383SNaveen Gangadharan if (is_multicast_ether_addr(mgmt->da)) 3096d0ff7383SNaveen Gangadharan return false; 3097d0ff7383SNaveen Gangadharan 3098d0ff7383SNaveen Gangadharan conn = ath6kl_find_sta(vif, mgmt->da); 3099d0ff7383SNaveen Gangadharan if (!conn) 3100d0ff7383SNaveen Gangadharan return false; 3101d0ff7383SNaveen Gangadharan 3102d0ff7383SNaveen Gangadharan if (conn->sta_flags & STA_PS_SLEEP) { 3103d0ff7383SNaveen Gangadharan if (!(conn->sta_flags & STA_PS_POLLED)) { 3104d0ff7383SNaveen Gangadharan /* Queue the frames if the STA is sleeping */ 3105d0ff7383SNaveen Gangadharan mgmt_buf_size = len + sizeof(struct ath6kl_mgmt_buff); 3106d0ff7383SNaveen Gangadharan mgmt_buf = kmalloc(mgmt_buf_size, GFP_KERNEL); 3107d0ff7383SNaveen Gangadharan if (!mgmt_buf) 3108d0ff7383SNaveen Gangadharan return false; 3109d0ff7383SNaveen Gangadharan 3110d0ff7383SNaveen Gangadharan INIT_LIST_HEAD(&mgmt_buf->list); 3111d0ff7383SNaveen Gangadharan mgmt_buf->id = id; 3112d0ff7383SNaveen Gangadharan mgmt_buf->freq = freq; 3113d0ff7383SNaveen Gangadharan mgmt_buf->wait = wait; 3114d0ff7383SNaveen Gangadharan mgmt_buf->len = len; 3115d0ff7383SNaveen Gangadharan mgmt_buf->no_cck = no_cck; 3116d0ff7383SNaveen Gangadharan memcpy(mgmt_buf->buf, buf, len); 3117d0ff7383SNaveen Gangadharan spin_lock_bh(&conn->psq_lock); 3118d0ff7383SNaveen Gangadharan is_psq_empty = skb_queue_empty(&conn->psq) && 3119d0ff7383SNaveen Gangadharan (conn->mgmt_psq_len == 0); 3120d0ff7383SNaveen Gangadharan list_add_tail(&mgmt_buf->list, &conn->mgmt_psq); 3121d0ff7383SNaveen Gangadharan conn->mgmt_psq_len++; 3122d0ff7383SNaveen Gangadharan spin_unlock_bh(&conn->psq_lock); 3123d0ff7383SNaveen Gangadharan 3124d0ff7383SNaveen Gangadharan /* 3125d0ff7383SNaveen Gangadharan * If this is the first pkt getting queued 3126d0ff7383SNaveen Gangadharan * for this STA, update the PVB for this 3127d0ff7383SNaveen Gangadharan * STA. 3128d0ff7383SNaveen Gangadharan */ 3129d0ff7383SNaveen Gangadharan if (is_psq_empty) 3130d0ff7383SNaveen Gangadharan ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx, 3131d0ff7383SNaveen Gangadharan conn->aid, 1); 3132d0ff7383SNaveen Gangadharan return true; 3133d0ff7383SNaveen Gangadharan } 3134d0ff7383SNaveen Gangadharan 3135d0ff7383SNaveen Gangadharan /* 3136d0ff7383SNaveen Gangadharan * This tx is because of a PsPoll. 3137d0ff7383SNaveen Gangadharan * Determine if MoreData bit has to be set. 3138d0ff7383SNaveen Gangadharan */ 3139d0ff7383SNaveen Gangadharan spin_lock_bh(&conn->psq_lock); 3140d0ff7383SNaveen Gangadharan if (!skb_queue_empty(&conn->psq) || (conn->mgmt_psq_len != 0)) 3141d0ff7383SNaveen Gangadharan *more_data = true; 3142d0ff7383SNaveen Gangadharan spin_unlock_bh(&conn->psq_lock); 3143d0ff7383SNaveen Gangadharan } 3144d0ff7383SNaveen Gangadharan 3145d0ff7383SNaveen Gangadharan return false; 3146d0ff7383SNaveen Gangadharan } 3147d0ff7383SNaveen Gangadharan 3148c86e4f44SAarthi Thiruvengadam /* Check if SSID length is greater than DIRECT- */ 3149c86e4f44SAarthi Thiruvengadam static bool ath6kl_is_p2p_go_ssid(const u8 *buf, size_t len) 3150c86e4f44SAarthi Thiruvengadam { 3151c86e4f44SAarthi Thiruvengadam const struct ieee80211_mgmt *mgmt; 3152c86e4f44SAarthi Thiruvengadam mgmt = (const struct ieee80211_mgmt *) buf; 3153c86e4f44SAarthi Thiruvengadam 3154c86e4f44SAarthi Thiruvengadam /* variable[1] contains the SSID tag length */ 3155c86e4f44SAarthi Thiruvengadam if (buf + len >= &mgmt->u.probe_resp.variable[1] && 3156c86e4f44SAarthi Thiruvengadam (mgmt->u.probe_resp.variable[1] > P2P_WILDCARD_SSID_LEN)) { 3157c86e4f44SAarthi Thiruvengadam return true; 3158c86e4f44SAarthi Thiruvengadam } 3159c86e4f44SAarthi Thiruvengadam 3160c86e4f44SAarthi Thiruvengadam return false; 3161c86e4f44SAarthi Thiruvengadam } 3162c86e4f44SAarthi Thiruvengadam 316371bbc994SJohannes Berg static int ath6kl_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, 31648a6c8060SJouni Malinen struct ieee80211_channel *chan, bool offchan, 31658a6c8060SJouni Malinen enum nl80211_channel_type channel_type, 31668a6c8060SJouni Malinen bool channel_type_valid, unsigned int wait, 3167e247bd90SJohannes Berg const u8 *buf, size_t len, bool no_cck, 3168e247bd90SJohannes Berg bool dont_wait_for_ack, u64 *cookie) 31698a6c8060SJouni Malinen { 317071bbc994SJohannes Berg struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); 317171bbc994SJohannes Berg struct ath6kl *ar = ath6kl_priv(vif->ndev); 31728a6c8060SJouni Malinen u32 id; 31738bdfbf40SJouni Malinen const struct ieee80211_mgmt *mgmt; 3174d0ff7383SNaveen Gangadharan bool more_data, queued; 31758bdfbf40SJouni Malinen 31768bdfbf40SJouni Malinen mgmt = (const struct ieee80211_mgmt *) buf; 3177c86e4f44SAarthi Thiruvengadam if (vif->nw_type == AP_NETWORK && test_bit(CONNECTED, &vif->flags) && 3178c86e4f44SAarthi Thiruvengadam ieee80211_is_probe_resp(mgmt->frame_control) && 3179c86e4f44SAarthi Thiruvengadam ath6kl_is_p2p_go_ssid(buf, len)) { 31808bdfbf40SJouni Malinen /* 3181c86e4f44SAarthi Thiruvengadam * Send Probe Response frame in GO mode using a separate WMI 31828bdfbf40SJouni Malinen * command to allow the target to fill in the generic IEs. 31838bdfbf40SJouni Malinen */ 31848bdfbf40SJouni Malinen *cookie = 0; /* TX status not supported */ 3185334234b5SVasanthakumar Thiagarajan return ath6kl_send_go_probe_resp(vif, buf, len, 31868bdfbf40SJouni Malinen chan->center_freq); 31878bdfbf40SJouni Malinen } 31888a6c8060SJouni Malinen 3189cf5333d7SVasanthakumar Thiagarajan id = vif->send_action_id++; 31908a6c8060SJouni Malinen if (id == 0) { 31918a6c8060SJouni Malinen /* 31928a6c8060SJouni Malinen * 0 is a reserved value in the WMI command and shall not be 31938a6c8060SJouni Malinen * used for the command. 31948a6c8060SJouni Malinen */ 3195cf5333d7SVasanthakumar Thiagarajan id = vif->send_action_id++; 31968a6c8060SJouni Malinen } 31978a6c8060SJouni Malinen 31988a6c8060SJouni Malinen *cookie = id; 31993ca9d1fcSAarthi Thiruvengadam 3200d0ff7383SNaveen Gangadharan /* AP mode Power saving processing */ 3201d0ff7383SNaveen Gangadharan if (vif->nw_type == AP_NETWORK) { 3202d0ff7383SNaveen Gangadharan queued = ath6kl_mgmt_powersave_ap(vif, 3203d0ff7383SNaveen Gangadharan id, chan->center_freq, 3204d0ff7383SNaveen Gangadharan wait, buf, 3205d0ff7383SNaveen Gangadharan len, &more_data, no_cck); 3206d0ff7383SNaveen Gangadharan if (queued) 3207d0ff7383SNaveen Gangadharan return 0; 3208d0ff7383SNaveen Gangadharan } 3209d0ff7383SNaveen Gangadharan 32103ca9d1fcSAarthi Thiruvengadam return ath6kl_wmi_send_mgmt_cmd(ar->wmi, vif->fw_vif_idx, id, 32113ca9d1fcSAarthi Thiruvengadam chan->center_freq, wait, 32123ca9d1fcSAarthi Thiruvengadam buf, len, no_cck); 32133ca9d1fcSAarthi Thiruvengadam } 32148a6c8060SJouni Malinen 3215ae32c30aSJouni Malinen static void ath6kl_mgmt_frame_register(struct wiphy *wiphy, 321671bbc994SJohannes Berg struct wireless_dev *wdev, 3217ae32c30aSJouni Malinen u16 frame_type, bool reg) 3218ae32c30aSJouni Malinen { 321971bbc994SJohannes Berg struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); 3220ae32c30aSJouni Malinen 3221ae32c30aSJouni Malinen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: frame_type=0x%x reg=%d\n", 3222ae32c30aSJouni Malinen __func__, frame_type, reg); 3223ae32c30aSJouni Malinen if (frame_type == IEEE80211_STYPE_PROBE_REQ) { 3224ae32c30aSJouni Malinen /* 3225ae32c30aSJouni Malinen * Note: This notification callback is not allowed to sleep, so 3226ae32c30aSJouni Malinen * we cannot send WMI_PROBE_REQ_REPORT_CMD here. Instead, we 3227ae32c30aSJouni Malinen * hardcode target to report Probe Request frames all the time. 3228ae32c30aSJouni Malinen */ 3229cf5333d7SVasanthakumar Thiagarajan vif->probe_req_report = reg; 3230ae32c30aSJouni Malinen } 3231ae32c30aSJouni Malinen } 3232ae32c30aSJouni Malinen 323310509f90SKalle Valo static int ath6kl_cfg80211_sscan_start(struct wiphy *wiphy, 323410509f90SKalle Valo struct net_device *dev, 323510509f90SKalle Valo struct cfg80211_sched_scan_request *request) 323610509f90SKalle Valo { 323710509f90SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 323810509f90SKalle Valo struct ath6kl_vif *vif = netdev_priv(dev); 323910509f90SKalle Valo u16 interval; 324085b20fc2SThomas Pedersen int ret, rssi_thold; 324110509f90SKalle Valo 324210509f90SKalle Valo if (ar->state != ATH6KL_STATE_ON) 324310509f90SKalle Valo return -EIO; 324410509f90SKalle Valo 324510509f90SKalle Valo if (vif->sme_state != SME_DISCONNECTED) 324610509f90SKalle Valo return -EBUSY; 324710509f90SKalle Valo 324877ed4e45SThomas Pedersen /* The FW currently can't support multi-vif WoW properly. */ 324977ed4e45SThomas Pedersen if (ar->num_vif > 1) 325077ed4e45SThomas Pedersen return -EIO; 325177ed4e45SThomas Pedersen 3252b4d13d3bSKalle Valo ath6kl_cfg80211_scan_complete_event(vif, true); 3253b4d13d3bSKalle Valo 32543b8ffc6aSJouni Malinen ret = ath6kl_set_probed_ssids(ar, vif, request->ssids, 3255dd45b759SNaveen Singh request->n_ssids, 3256dd45b759SNaveen Singh request->match_sets, 3257dd45b759SNaveen Singh request->n_match_sets); 32583b8ffc6aSJouni Malinen if (ret < 0) 32593b8ffc6aSJouni Malinen return ret; 326010509f90SKalle Valo 3261dd45b759SNaveen Singh if (!request->n_match_sets) { 3262dd45b759SNaveen Singh ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 3263dd45b759SNaveen Singh ALL_BSS_FILTER, 0); 3264dd45b759SNaveen Singh if (ret < 0) 3265dd45b759SNaveen Singh return ret; 3266dd45b759SNaveen Singh } else { 3267dd45b759SNaveen Singh ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 3268dd45b759SNaveen Singh MATCHED_SSID_FILTER, 0); 3269dd45b759SNaveen Singh if (ret < 0) 3270dd45b759SNaveen Singh return ret; 3271dd45b759SNaveen Singh } 3272dd45b759SNaveen Singh 327385b20fc2SThomas Pedersen if (test_bit(ATH6KL_FW_CAPABILITY_RSSI_SCAN_THOLD, 327485b20fc2SThomas Pedersen ar->fw_capabilities)) { 327585b20fc2SThomas Pedersen if (request->rssi_thold <= NL80211_SCAN_RSSI_THOLD_OFF) 327685b20fc2SThomas Pedersen rssi_thold = 0; 327785b20fc2SThomas Pedersen else if (request->rssi_thold < -127) 327885b20fc2SThomas Pedersen rssi_thold = -127; 327985b20fc2SThomas Pedersen else 328085b20fc2SThomas Pedersen rssi_thold = request->rssi_thold; 328185b20fc2SThomas Pedersen 328285b20fc2SThomas Pedersen ret = ath6kl_wmi_set_rssi_filter_cmd(ar->wmi, vif->fw_vif_idx, 328385b20fc2SThomas Pedersen rssi_thold); 328485b20fc2SThomas Pedersen if (ret) { 328585b20fc2SThomas Pedersen ath6kl_err("failed to set RSSI threshold for scan\n"); 328685b20fc2SThomas Pedersen return ret; 328785b20fc2SThomas Pedersen } 328885b20fc2SThomas Pedersen } 328985b20fc2SThomas Pedersen 329010509f90SKalle Valo /* fw uses seconds, also make sure that it's >0 */ 329110509f90SKalle Valo interval = max_t(u16, 1, request->interval / 1000); 329210509f90SKalle Valo 329310509f90SKalle Valo ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 329410509f90SKalle Valo interval, interval, 3295d472b5e4SSubramania Sharma Thandaveswaran vif->bg_scan_period, 0, 0, 0, 3, 0, 0, 0); 329610509f90SKalle Valo 329710509f90SKalle Valo ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx, 329810509f90SKalle Valo ATH6KL_WOW_MODE_ENABLE, 329910509f90SKalle Valo WOW_FILTER_SSID, 330010509f90SKalle Valo WOW_HOST_REQ_DELAY); 330110509f90SKalle Valo if (ret) { 330210509f90SKalle Valo ath6kl_warn("Failed to enable wow with ssid filter: %d\n", ret); 330310509f90SKalle Valo return ret; 330410509f90SKalle Valo } 330510509f90SKalle Valo 330610509f90SKalle Valo /* this also clears IE in fw if it's not set */ 330710509f90SKalle Valo ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 330810509f90SKalle Valo WMI_FRAME_PROBE_REQ, 330910509f90SKalle Valo request->ie, request->ie_len); 331010509f90SKalle Valo if (ret) { 3311f1ff32e8SJoe Perches ath6kl_warn("Failed to set probe request IE for scheduled scan: %d\n", 331210509f90SKalle Valo ret); 331310509f90SKalle Valo return ret; 331410509f90SKalle Valo } 331510509f90SKalle Valo 331610509f90SKalle Valo ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, 331710509f90SKalle Valo ATH6KL_HOST_MODE_ASLEEP); 331810509f90SKalle Valo if (ret) { 331910509f90SKalle Valo ath6kl_warn("Failed to enable host sleep mode for sched scan: %d\n", 332010509f90SKalle Valo ret); 332110509f90SKalle Valo return ret; 332210509f90SKalle Valo } 332310509f90SKalle Valo 332410509f90SKalle Valo ar->state = ATH6KL_STATE_SCHED_SCAN; 332510509f90SKalle Valo 332610509f90SKalle Valo return ret; 332710509f90SKalle Valo } 332810509f90SKalle Valo 332910509f90SKalle Valo static int ath6kl_cfg80211_sscan_stop(struct wiphy *wiphy, 333010509f90SKalle Valo struct net_device *dev) 333110509f90SKalle Valo { 333210509f90SKalle Valo struct ath6kl_vif *vif = netdev_priv(dev); 333310509f90SKalle Valo bool stopped; 333410509f90SKalle Valo 333510509f90SKalle Valo stopped = __ath6kl_cfg80211_sscan_stop(vif); 333610509f90SKalle Valo 333710509f90SKalle Valo if (!stopped) 333810509f90SKalle Valo return -EIO; 333910509f90SKalle Valo 334010509f90SKalle Valo return 0; 334110509f90SKalle Valo } 334210509f90SKalle Valo 334306e360acSBala Shanmugam static int ath6kl_cfg80211_set_bitrate(struct wiphy *wiphy, 334406e360acSBala Shanmugam struct net_device *dev, 334506e360acSBala Shanmugam const u8 *addr, 334606e360acSBala Shanmugam const struct cfg80211_bitrate_mask *mask) 334706e360acSBala Shanmugam { 334806e360acSBala Shanmugam struct ath6kl *ar = ath6kl_priv(dev); 334906e360acSBala Shanmugam struct ath6kl_vif *vif = netdev_priv(dev); 335006e360acSBala Shanmugam 335106e360acSBala Shanmugam return ath6kl_wmi_set_bitrate_mask(ar->wmi, vif->fw_vif_idx, 335206e360acSBala Shanmugam mask); 335306e360acSBala Shanmugam } 335406e360acSBala Shanmugam 3355279b2862SThomas Pedersen static int ath6kl_cfg80211_set_txe_config(struct wiphy *wiphy, 3356279b2862SThomas Pedersen struct net_device *dev, 3357279b2862SThomas Pedersen u32 rate, u32 pkts, u32 intvl) 3358279b2862SThomas Pedersen { 3359279b2862SThomas Pedersen struct ath6kl *ar = ath6kl_priv(dev); 3360279b2862SThomas Pedersen struct ath6kl_vif *vif = netdev_priv(dev); 3361279b2862SThomas Pedersen 3362279b2862SThomas Pedersen if (vif->nw_type != INFRA_NETWORK || 3363279b2862SThomas Pedersen !test_bit(ATH6KL_FW_CAPABILITY_TX_ERR_NOTIFY, ar->fw_capabilities)) 3364279b2862SThomas Pedersen return -EOPNOTSUPP; 3365279b2862SThomas Pedersen 3366279b2862SThomas Pedersen if (vif->sme_state != SME_CONNECTED) 3367279b2862SThomas Pedersen return -ENOTCONN; 3368279b2862SThomas Pedersen 3369279b2862SThomas Pedersen /* save this since the firmware won't report the interval */ 3370279b2862SThomas Pedersen vif->txe_intvl = intvl; 3371279b2862SThomas Pedersen 3372279b2862SThomas Pedersen return ath6kl_wmi_set_txe_notify(ar->wmi, vif->fw_vif_idx, 3373279b2862SThomas Pedersen rate, pkts, intvl); 3374279b2862SThomas Pedersen } 3375279b2862SThomas Pedersen 3376f80574aeSJouni Malinen static const struct ieee80211_txrx_stypes 3377f80574aeSJouni Malinen ath6kl_mgmt_stypes[NUM_NL80211_IFTYPES] = { 3378f80574aeSJouni Malinen [NL80211_IFTYPE_STATION] = { 3379f80574aeSJouni Malinen .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3380f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 3381f80574aeSJouni Malinen .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3382f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 3383f80574aeSJouni Malinen }, 3384ba1f6fe3SJouni Malinen [NL80211_IFTYPE_AP] = { 3385ba1f6fe3SJouni Malinen .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3386ba1f6fe3SJouni Malinen BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 3387ba1f6fe3SJouni Malinen .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3388ba1f6fe3SJouni Malinen BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 3389ba1f6fe3SJouni Malinen }, 3390f80574aeSJouni Malinen [NL80211_IFTYPE_P2P_CLIENT] = { 3391f80574aeSJouni Malinen .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3392f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 3393f80574aeSJouni Malinen .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3394f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 3395f80574aeSJouni Malinen }, 3396f80574aeSJouni Malinen [NL80211_IFTYPE_P2P_GO] = { 3397f80574aeSJouni Malinen .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3398f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 3399f80574aeSJouni Malinen .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3400f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 3401f80574aeSJouni Malinen }, 3402f80574aeSJouni Malinen }; 3403f80574aeSJouni Malinen 3404bdcd8170SKalle Valo static struct cfg80211_ops ath6kl_cfg80211_ops = { 340555055976SVasanthakumar Thiagarajan .add_virtual_intf = ath6kl_cfg80211_add_iface, 340655055976SVasanthakumar Thiagarajan .del_virtual_intf = ath6kl_cfg80211_del_iface, 3407bdcd8170SKalle Valo .change_virtual_intf = ath6kl_cfg80211_change_iface, 3408bdcd8170SKalle Valo .scan = ath6kl_cfg80211_scan, 3409bdcd8170SKalle Valo .connect = ath6kl_cfg80211_connect, 3410bdcd8170SKalle Valo .disconnect = ath6kl_cfg80211_disconnect, 3411bdcd8170SKalle Valo .add_key = ath6kl_cfg80211_add_key, 3412bdcd8170SKalle Valo .get_key = ath6kl_cfg80211_get_key, 3413bdcd8170SKalle Valo .del_key = ath6kl_cfg80211_del_key, 3414bdcd8170SKalle Valo .set_default_key = ath6kl_cfg80211_set_default_key, 3415bdcd8170SKalle Valo .set_wiphy_params = ath6kl_cfg80211_set_wiphy_params, 3416bdcd8170SKalle Valo .set_tx_power = ath6kl_cfg80211_set_txpower, 3417bdcd8170SKalle Valo .get_tx_power = ath6kl_cfg80211_get_txpower, 3418bdcd8170SKalle Valo .set_power_mgmt = ath6kl_cfg80211_set_power_mgmt, 3419bdcd8170SKalle Valo .join_ibss = ath6kl_cfg80211_join_ibss, 3420bdcd8170SKalle Valo .leave_ibss = ath6kl_cfg80211_leave_ibss, 3421bdcd8170SKalle Valo .get_station = ath6kl_get_station, 3422bdcd8170SKalle Valo .set_pmksa = ath6kl_set_pmksa, 3423bdcd8170SKalle Valo .del_pmksa = ath6kl_del_pmksa, 3424bdcd8170SKalle Valo .flush_pmksa = ath6kl_flush_pmksa, 3425003353b0SKalle Valo CFG80211_TESTMODE_CMD(ath6kl_tm_cmd) 3426abcb344bSKalle Valo #ifdef CONFIG_PM 342752d81a68SKalle Valo .suspend = __ath6kl_cfg80211_suspend, 342852d81a68SKalle Valo .resume = __ath6kl_cfg80211_resume, 3429abcb344bSKalle Valo #endif 34308860020eSJohannes Berg .start_ap = ath6kl_start_ap, 34318860020eSJohannes Berg .change_beacon = ath6kl_change_beacon, 34328860020eSJohannes Berg .stop_ap = ath6kl_stop_ap, 343333e5308dSJouni Malinen .del_station = ath6kl_del_station, 343423875136SJouni Malinen .change_station = ath6kl_change_station, 343563fa1e0cSJouni Malinen .remain_on_channel = ath6kl_remain_on_channel, 343663fa1e0cSJouni Malinen .cancel_remain_on_channel = ath6kl_cancel_remain_on_channel, 34378a6c8060SJouni Malinen .mgmt_tx = ath6kl_mgmt_tx, 3438ae32c30aSJouni Malinen .mgmt_frame_register = ath6kl_mgmt_frame_register, 343910509f90SKalle Valo .sched_scan_start = ath6kl_cfg80211_sscan_start, 344010509f90SKalle Valo .sched_scan_stop = ath6kl_cfg80211_sscan_stop, 344106e360acSBala Shanmugam .set_bitrate_mask = ath6kl_cfg80211_set_bitrate, 3442279b2862SThomas Pedersen .set_cqm_txe_config = ath6kl_cfg80211_set_txe_config, 3443bdcd8170SKalle Valo }; 3444bdcd8170SKalle Valo 34457125f01dSKalle Valo void ath6kl_cfg80211_stop(struct ath6kl_vif *vif) 3446ec4b7f60SKalle Valo { 344710509f90SKalle Valo ath6kl_cfg80211_sscan_disable(vif); 344810509f90SKalle Valo 3449ec4b7f60SKalle Valo switch (vif->sme_state) { 3450c97a31b0SKalle Valo case SME_DISCONNECTED: 3451c97a31b0SKalle Valo break; 3452ec4b7f60SKalle Valo case SME_CONNECTING: 3453ec4b7f60SKalle Valo cfg80211_connect_result(vif->ndev, vif->bssid, NULL, 0, 3454ec4b7f60SKalle Valo NULL, 0, 3455ec4b7f60SKalle Valo WLAN_STATUS_UNSPECIFIED_FAILURE, 3456ec4b7f60SKalle Valo GFP_KERNEL); 3457ec4b7f60SKalle Valo break; 3458ec4b7f60SKalle Valo case SME_CONNECTED: 3459ec4b7f60SKalle Valo cfg80211_disconnected(vif->ndev, 0, NULL, 0, GFP_KERNEL); 3460ec4b7f60SKalle Valo break; 3461ec4b7f60SKalle Valo } 3462ec4b7f60SKalle Valo 3463ec4b7f60SKalle Valo if (test_bit(CONNECTED, &vif->flags) || 3464ec4b7f60SKalle Valo test_bit(CONNECT_PEND, &vif->flags)) 34657125f01dSKalle Valo ath6kl_wmi_disconnect_cmd(vif->ar->wmi, vif->fw_vif_idx); 3466ec4b7f60SKalle Valo 3467ec4b7f60SKalle Valo vif->sme_state = SME_DISCONNECTED; 34681f405255SKalle Valo clear_bit(CONNECTED, &vif->flags); 34691f405255SKalle Valo clear_bit(CONNECT_PEND, &vif->flags); 3470ec4b7f60SKalle Valo 3471ec4b7f60SKalle Valo /* disable scanning */ 34727125f01dSKalle Valo if (ath6kl_wmi_scanparams_cmd(vif->ar->wmi, vif->fw_vif_idx, 0xFFFF, 34737125f01dSKalle Valo 0, 0, 0, 0, 0, 0, 0, 0, 0) != 0) 34747125f01dSKalle Valo ath6kl_warn("failed to disable scan during stop\n"); 3475ec4b7f60SKalle Valo 3476ec4b7f60SKalle Valo ath6kl_cfg80211_scan_complete_event(vif, true); 3477ec4b7f60SKalle Valo } 3478ec4b7f60SKalle Valo 34797125f01dSKalle Valo void ath6kl_cfg80211_stop_all(struct ath6kl *ar) 34807125f01dSKalle Valo { 34817125f01dSKalle Valo struct ath6kl_vif *vif; 34827125f01dSKalle Valo 34837125f01dSKalle Valo vif = ath6kl_vif_first(ar); 34847125f01dSKalle Valo if (!vif) { 34857125f01dSKalle Valo /* save the current power mode before enabling power save */ 34867125f01dSKalle Valo ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode; 34877125f01dSKalle Valo 34887125f01dSKalle Valo if (ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER) != 0) 3489cdeb8602SKalle Valo ath6kl_warn("ath6kl_deep_sleep_enable: wmi_powermode_cmd failed\n"); 34907125f01dSKalle Valo return; 34917125f01dSKalle Valo } 34927125f01dSKalle Valo 34937125f01dSKalle Valo /* 34947125f01dSKalle Valo * FIXME: we should take ar->list_lock to protect changes in the 34957125f01dSKalle Valo * vif_list, but that's not trivial to do as ath6kl_cfg80211_stop() 34967125f01dSKalle Valo * sleeps. 34977125f01dSKalle Valo */ 34987125f01dSKalle Valo list_for_each_entry(vif, &ar->vif_list, list) 34997125f01dSKalle Valo ath6kl_cfg80211_stop(vif); 35007125f01dSKalle Valo } 35017125f01dSKalle Valo 350284841ba2SKalle Valo static int ath6kl_cfg80211_reg_notify(struct wiphy *wiphy, 350384841ba2SKalle Valo struct regulatory_request *request) 350484841ba2SKalle Valo { 350584841ba2SKalle Valo struct ath6kl *ar = wiphy_priv(wiphy); 350684841ba2SKalle Valo u32 rates[IEEE80211_NUM_BANDS]; 350784841ba2SKalle Valo int ret, i; 350884841ba2SKalle Valo 350984841ba2SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 351084841ba2SKalle Valo "cfg reg_notify %c%c%s%s initiator %d\n", 351184841ba2SKalle Valo request->alpha2[0], request->alpha2[1], 351284841ba2SKalle Valo request->intersect ? " intersect" : "", 351384841ba2SKalle Valo request->processed ? " processed" : "", 351484841ba2SKalle Valo request->initiator); 351584841ba2SKalle Valo 351684841ba2SKalle Valo ret = ath6kl_wmi_set_regdomain_cmd(ar->wmi, request->alpha2); 351784841ba2SKalle Valo if (ret) { 351884841ba2SKalle Valo ath6kl_err("failed to set regdomain: %d\n", ret); 351984841ba2SKalle Valo return ret; 352084841ba2SKalle Valo } 352184841ba2SKalle Valo 352284841ba2SKalle Valo /* 352384841ba2SKalle Valo * Firmware will apply the regdomain change only after a scan is 352484841ba2SKalle Valo * issued and it will send a WMI_REGDOMAIN_EVENTID when it has been 352584841ba2SKalle Valo * changed. 352684841ba2SKalle Valo */ 352784841ba2SKalle Valo 352884841ba2SKalle Valo for (i = 0; i < IEEE80211_NUM_BANDS; i++) 352984841ba2SKalle Valo if (wiphy->bands[i]) 353084841ba2SKalle Valo rates[i] = (1 << wiphy->bands[i]->n_bitrates) - 1; 353184841ba2SKalle Valo 353284841ba2SKalle Valo 353384841ba2SKalle Valo ret = ath6kl_wmi_beginscan_cmd(ar->wmi, 0, WMI_LONG_SCAN, false, 353484841ba2SKalle Valo false, 0, ATH6KL_FG_SCAN_INTERVAL, 353584841ba2SKalle Valo 0, NULL, false, rates); 353684841ba2SKalle Valo if (ret) { 353784841ba2SKalle Valo ath6kl_err("failed to start scan for a regdomain change: %d\n", 353884841ba2SKalle Valo ret); 353984841ba2SKalle Valo return ret; 354084841ba2SKalle Valo } 354184841ba2SKalle Valo 354284841ba2SKalle Valo return 0; 354384841ba2SKalle Valo } 354484841ba2SKalle Valo 3545c25889e8SKalle Valo static int ath6kl_cfg80211_vif_init(struct ath6kl_vif *vif) 35468dafb70eSVasanthakumar Thiagarajan { 35477baef812SVasanthakumar Thiagarajan vif->aggr_cntxt = aggr_init(vif); 35482132c69cSVasanthakumar Thiagarajan if (!vif->aggr_cntxt) { 35498dafb70eSVasanthakumar Thiagarajan ath6kl_err("failed to initialize aggr\n"); 35508dafb70eSVasanthakumar Thiagarajan return -ENOMEM; 35518dafb70eSVasanthakumar Thiagarajan } 35528dafb70eSVasanthakumar Thiagarajan 3553de3ad713SVasanthakumar Thiagarajan setup_timer(&vif->disconnect_timer, disconnect_timer_handler, 3554108438bcSVasanthakumar Thiagarajan (unsigned long) vif->ndev); 355510509f90SKalle Valo setup_timer(&vif->sched_scan_timer, ath6kl_wmi_sscan_timer, 355610509f90SKalle Valo (unsigned long) vif); 355710509f90SKalle Valo 3558de3ad713SVasanthakumar Thiagarajan set_bit(WMM_ENABLED, &vif->flags); 3559478ac027SVasanthakumar Thiagarajan spin_lock_init(&vif->if_lock); 35608dafb70eSVasanthakumar Thiagarajan 356180abaf9bSVasanthakumar Thiagarajan INIT_LIST_HEAD(&vif->mc_filter); 356280abaf9bSVasanthakumar Thiagarajan 35638dafb70eSVasanthakumar Thiagarajan return 0; 35648dafb70eSVasanthakumar Thiagarajan } 35658dafb70eSVasanthakumar Thiagarajan 3566c25889e8SKalle Valo void ath6kl_cfg80211_vif_cleanup(struct ath6kl_vif *vif) 35678dafb70eSVasanthakumar Thiagarajan { 356855055976SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 356980abaf9bSVasanthakumar Thiagarajan struct ath6kl_mc_filter *mc_filter, *tmp; 357055055976SVasanthakumar Thiagarajan 35712132c69cSVasanthakumar Thiagarajan aggr_module_destroy(vif->aggr_cntxt); 3572108438bcSVasanthakumar Thiagarajan 357355055976SVasanthakumar Thiagarajan ar->avail_idx_map |= BIT(vif->fw_vif_idx); 357455055976SVasanthakumar Thiagarajan 357555055976SVasanthakumar Thiagarajan if (vif->nw_type == ADHOC_NETWORK) 357655055976SVasanthakumar Thiagarajan ar->ibss_if_active = false; 357755055976SVasanthakumar Thiagarajan 357880abaf9bSVasanthakumar Thiagarajan list_for_each_entry_safe(mc_filter, tmp, &vif->mc_filter, list) { 357980abaf9bSVasanthakumar Thiagarajan list_del(&mc_filter->list); 358080abaf9bSVasanthakumar Thiagarajan kfree(mc_filter); 358180abaf9bSVasanthakumar Thiagarajan } 358280abaf9bSVasanthakumar Thiagarajan 358327929723SVasanthakumar Thiagarajan unregister_netdevice(vif->ndev); 358455055976SVasanthakumar Thiagarajan 358555055976SVasanthakumar Thiagarajan ar->num_vif--; 35868dafb70eSVasanthakumar Thiagarajan } 35878dafb70eSVasanthakumar Thiagarajan 3588552bff0cSJohannes Berg struct wireless_dev *ath6kl_interface_add(struct ath6kl *ar, const char *name, 358984efbb84SJohannes Berg enum nl80211_iftype type, 359084efbb84SJohannes Berg u8 fw_vif_idx, u8 nw_type) 35918dafb70eSVasanthakumar Thiagarajan { 35928dafb70eSVasanthakumar Thiagarajan struct net_device *ndev; 3593108438bcSVasanthakumar Thiagarajan struct ath6kl_vif *vif; 35948dafb70eSVasanthakumar Thiagarajan 359555055976SVasanthakumar Thiagarajan ndev = alloc_netdev(sizeof(*vif), name, ether_setup); 35968dafb70eSVasanthakumar Thiagarajan if (!ndev) 35978dafb70eSVasanthakumar Thiagarajan return NULL; 35988dafb70eSVasanthakumar Thiagarajan 3599108438bcSVasanthakumar Thiagarajan vif = netdev_priv(ndev); 3600108438bcSVasanthakumar Thiagarajan ndev->ieee80211_ptr = &vif->wdev; 3601108438bcSVasanthakumar Thiagarajan vif->wdev.wiphy = ar->wiphy; 3602108438bcSVasanthakumar Thiagarajan vif->ar = ar; 3603108438bcSVasanthakumar Thiagarajan vif->ndev = ndev; 3604108438bcSVasanthakumar Thiagarajan SET_NETDEV_DEV(ndev, wiphy_dev(vif->wdev.wiphy)); 3605108438bcSVasanthakumar Thiagarajan vif->wdev.netdev = ndev; 3606108438bcSVasanthakumar Thiagarajan vif->wdev.iftype = type; 3607334234b5SVasanthakumar Thiagarajan vif->fw_vif_idx = fw_vif_idx; 3608d0d670abSKalle Valo vif->nw_type = nw_type; 3609d0d670abSKalle Valo vif->next_mode = nw_type; 36108f46fccdSRaja Mani vif->listen_intvl_t = ATH6KL_DEFAULT_LISTEN_INTVAL; 3611ce0dc0cfSRaja Mani vif->bmiss_time_t = ATH6KL_DEFAULT_BMISS_TIME; 3612eb38987eSRaja Mani vif->bg_scan_period = 0; 361367b3f129SKiran Reddy vif->htcap[IEEE80211_BAND_2GHZ].ht_enable = true; 361467b3f129SKiran Reddy vif->htcap[IEEE80211_BAND_5GHZ].ht_enable = true; 36158dafb70eSVasanthakumar Thiagarajan 361655055976SVasanthakumar Thiagarajan memcpy(ndev->dev_addr, ar->mac_addr, ETH_ALEN); 3617c95dcb59SAarthi Thiruvengadam if (fw_vif_idx != 0) { 361855055976SVasanthakumar Thiagarajan ndev->dev_addr[0] = (ndev->dev_addr[0] ^ (1 << fw_vif_idx)) | 361955055976SVasanthakumar Thiagarajan 0x2; 3620c95dcb59SAarthi Thiruvengadam if (test_bit(ATH6KL_FW_CAPABILITY_CUSTOM_MAC_ADDR, 3621c95dcb59SAarthi Thiruvengadam ar->fw_capabilities)) 3622c95dcb59SAarthi Thiruvengadam ndev->dev_addr[4] ^= 0x80; 3623c95dcb59SAarthi Thiruvengadam } 362455055976SVasanthakumar Thiagarajan 36258dafb70eSVasanthakumar Thiagarajan init_netdev(ndev); 36268dafb70eSVasanthakumar Thiagarajan 3627e29f25f5SVasanthakumar Thiagarajan ath6kl_init_control_info(vif); 36288dafb70eSVasanthakumar Thiagarajan 3629c25889e8SKalle Valo if (ath6kl_cfg80211_vif_init(vif)) 36308dafb70eSVasanthakumar Thiagarajan goto err; 36318dafb70eSVasanthakumar Thiagarajan 363227929723SVasanthakumar Thiagarajan if (register_netdevice(ndev)) 36338dafb70eSVasanthakumar Thiagarajan goto err; 36348dafb70eSVasanthakumar Thiagarajan 363555055976SVasanthakumar Thiagarajan ar->avail_idx_map &= ~BIT(fw_vif_idx); 363614ee6f6bSVasanthakumar Thiagarajan vif->sme_state = SME_DISCONNECTED; 363759c98449SVasanthakumar Thiagarajan set_bit(WLAN_ENABLED, &vif->flags); 36388dafb70eSVasanthakumar Thiagarajan ar->wlan_pwr_state = WLAN_POWER_STATE_ON; 363959c98449SVasanthakumar Thiagarajan set_bit(NETDEV_REGISTERED, &vif->flags); 36408dafb70eSVasanthakumar Thiagarajan 364155055976SVasanthakumar Thiagarajan if (type == NL80211_IFTYPE_ADHOC) 364255055976SVasanthakumar Thiagarajan ar->ibss_if_active = true; 364355055976SVasanthakumar Thiagarajan 364411f6e40dSVasanthakumar Thiagarajan spin_lock_bh(&ar->list_lock); 3645990bd915SVasanthakumar Thiagarajan list_add_tail(&vif->list, &ar->vif_list); 364611f6e40dSVasanthakumar Thiagarajan spin_unlock_bh(&ar->list_lock); 3647990bd915SVasanthakumar Thiagarajan 364884efbb84SJohannes Berg return &vif->wdev; 36498dafb70eSVasanthakumar Thiagarajan 36508dafb70eSVasanthakumar Thiagarajan err: 365127929723SVasanthakumar Thiagarajan aggr_module_destroy(vif->aggr_cntxt); 365227929723SVasanthakumar Thiagarajan free_netdev(ndev); 3653bdcd8170SKalle Valo return NULL; 3654bdcd8170SKalle Valo } 3655bdcd8170SKalle Valo 365646d33a21SKalle Valo int ath6kl_cfg80211_init(struct ath6kl *ar) 365746d33a21SKalle Valo { 365846d33a21SKalle Valo struct wiphy *wiphy = ar->wiphy; 3659d92917e4SThomas Pedersen bool band_2gig = false, band_5gig = false, ht = false; 366046d33a21SKalle Valo int ret; 366146d33a21SKalle Valo 366246d33a21SKalle Valo wiphy->mgmt_stypes = ath6kl_mgmt_stypes; 366346d33a21SKalle Valo 366446d33a21SKalle Valo wiphy->max_remain_on_channel_duration = 5000; 366546d33a21SKalle Valo 366646d33a21SKalle Valo /* set device pointer for wiphy */ 366746d33a21SKalle Valo set_wiphy_dev(wiphy, ar->dev); 366846d33a21SKalle Valo 366946d33a21SKalle Valo wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 367046d33a21SKalle Valo BIT(NL80211_IFTYPE_ADHOC) | 367146d33a21SKalle Valo BIT(NL80211_IFTYPE_AP); 367246d33a21SKalle Valo if (ar->p2p) { 367346d33a21SKalle Valo wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_GO) | 367446d33a21SKalle Valo BIT(NL80211_IFTYPE_P2P_CLIENT); 367546d33a21SKalle Valo } 367646d33a21SKalle Valo 367784841ba2SKalle Valo if (config_enabled(CONFIG_ATH6KL_REGDOMAIN) && 367884841ba2SKalle Valo test_bit(ATH6KL_FW_CAPABILITY_REGDOMAIN, ar->fw_capabilities)) 367984841ba2SKalle Valo wiphy->reg_notifier = ath6kl_cfg80211_reg_notify; 368084841ba2SKalle Valo 368146d33a21SKalle Valo /* max num of ssids that can be probed during scanning */ 36828ab5415dSJouni Malinen wiphy->max_scan_ssids = MAX_PROBED_SSIDS; 3683dd45b759SNaveen Singh 3684dd45b759SNaveen Singh /* max num of ssids that can be matched after scan */ 3685dd45b759SNaveen Singh if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_MATCH_LIST, 3686dd45b759SNaveen Singh ar->fw_capabilities)) 3687dd45b759SNaveen Singh wiphy->max_match_sets = MAX_PROBED_SSIDS; 3688dd45b759SNaveen Singh 368946d33a21SKalle Valo wiphy->max_scan_ie_len = 1000; /* FIX: what is correct limit? */ 3690d92917e4SThomas Pedersen switch (ar->hw.cap) { 3691d92917e4SThomas Pedersen case WMI_11AN_CAP: 3692d92917e4SThomas Pedersen ht = true; 3693d92917e4SThomas Pedersen case WMI_11A_CAP: 3694d92917e4SThomas Pedersen band_5gig = true; 3695d92917e4SThomas Pedersen break; 3696d92917e4SThomas Pedersen case WMI_11GN_CAP: 3697d92917e4SThomas Pedersen ht = true; 3698d92917e4SThomas Pedersen case WMI_11G_CAP: 3699d92917e4SThomas Pedersen band_2gig = true; 3700d92917e4SThomas Pedersen break; 3701d92917e4SThomas Pedersen case WMI_11AGN_CAP: 3702d92917e4SThomas Pedersen ht = true; 3703d92917e4SThomas Pedersen case WMI_11AG_CAP: 3704d92917e4SThomas Pedersen band_2gig = true; 3705d92917e4SThomas Pedersen band_5gig = true; 3706d92917e4SThomas Pedersen break; 3707d92917e4SThomas Pedersen default: 3708d92917e4SThomas Pedersen ath6kl_err("invalid phy capability!\n"); 3709d92917e4SThomas Pedersen return -EINVAL; 3710d92917e4SThomas Pedersen } 3711d92917e4SThomas Pedersen 37127fd1ce7eSVasanthakumar Thiagarajan /* 37137fd1ce7eSVasanthakumar Thiagarajan * Even if the fw has HT support, advertise HT cap only when 37147fd1ce7eSVasanthakumar Thiagarajan * the firmware has support to override RSN capability, otherwise 37157fd1ce7eSVasanthakumar Thiagarajan * 4-way handshake would fail. 37167fd1ce7eSVasanthakumar Thiagarajan */ 37177fd1ce7eSVasanthakumar Thiagarajan if (!(ht && 37187fd1ce7eSVasanthakumar Thiagarajan test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE, 37197fd1ce7eSVasanthakumar Thiagarajan ar->fw_capabilities))) { 3720d92917e4SThomas Pedersen ath6kl_band_2ghz.ht_cap.cap = 0; 3721d92917e4SThomas Pedersen ath6kl_band_2ghz.ht_cap.ht_supported = false; 3722d92917e4SThomas Pedersen ath6kl_band_5ghz.ht_cap.cap = 0; 3723d92917e4SThomas Pedersen ath6kl_band_5ghz.ht_cap.ht_supported = false; 3724d92917e4SThomas Pedersen } 372506e360acSBala Shanmugam 372606e360acSBala Shanmugam if (ar->hw.flags & ATH6KL_HW_FLAG_64BIT_RATES) { 372706e360acSBala Shanmugam ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff; 372806e360acSBala Shanmugam ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff; 372906e360acSBala Shanmugam ath6kl_band_2ghz.ht_cap.mcs.rx_mask[1] = 0xff; 373006e360acSBala Shanmugam ath6kl_band_5ghz.ht_cap.mcs.rx_mask[1] = 0xff; 373106e360acSBala Shanmugam } else { 373206e360acSBala Shanmugam ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff; 373306e360acSBala Shanmugam ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff; 373406e360acSBala Shanmugam } 373506e360acSBala Shanmugam 3736d92917e4SThomas Pedersen if (band_2gig) 373746d33a21SKalle Valo wiphy->bands[IEEE80211_BAND_2GHZ] = &ath6kl_band_2ghz; 3738d92917e4SThomas Pedersen if (band_5gig) 373946d33a21SKalle Valo wiphy->bands[IEEE80211_BAND_5GHZ] = &ath6kl_band_5ghz; 3740d92917e4SThomas Pedersen 374146d33a21SKalle Valo wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; 374246d33a21SKalle Valo 374346d33a21SKalle Valo wiphy->cipher_suites = cipher_suites; 374446d33a21SKalle Valo wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); 374546d33a21SKalle Valo 3746dfb89c56SJohannes Berg #ifdef CONFIG_PM 374746d33a21SKalle Valo wiphy->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT | 374846d33a21SKalle Valo WIPHY_WOWLAN_DISCONNECT | 374946d33a21SKalle Valo WIPHY_WOWLAN_GTK_REKEY_FAILURE | 375046d33a21SKalle Valo WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | 375146d33a21SKalle Valo WIPHY_WOWLAN_EAP_IDENTITY_REQ | 375246d33a21SKalle Valo WIPHY_WOWLAN_4WAY_HANDSHAKE; 375346d33a21SKalle Valo wiphy->wowlan.n_patterns = WOW_MAX_FILTERS_PER_LIST; 375446d33a21SKalle Valo wiphy->wowlan.pattern_min_len = 1; 375546d33a21SKalle Valo wiphy->wowlan.pattern_max_len = WOW_PATTERN_SIZE; 3756dfb89c56SJohannes Berg #endif 375746d33a21SKalle Valo 37588ab5415dSJouni Malinen wiphy->max_sched_scan_ssids = MAX_PROBED_SSIDS; 375946d33a21SKalle Valo 3760f2afdac7SVasanthakumar Thiagarajan ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM | 3761f2afdac7SVasanthakumar Thiagarajan WIPHY_FLAG_HAVE_AP_SME | 3762f2afdac7SVasanthakumar Thiagarajan WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | 3763f2afdac7SVasanthakumar Thiagarajan WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD; 3764f2afdac7SVasanthakumar Thiagarajan 3765f2afdac7SVasanthakumar Thiagarajan if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN, ar->fw_capabilities)) 3766f2afdac7SVasanthakumar Thiagarajan ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN; 3767f2afdac7SVasanthakumar Thiagarajan 376803bdeb0dSVasanthakumar Thiagarajan if (test_bit(ATH6KL_FW_CAPABILITY_INACTIVITY_TIMEOUT, 376903bdeb0dSVasanthakumar Thiagarajan ar->fw_capabilities)) 3770b292219fSJohannes Berg ar->wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER; 377103bdeb0dSVasanthakumar Thiagarajan 3772f2afdac7SVasanthakumar Thiagarajan ar->wiphy->probe_resp_offload = 3773f2afdac7SVasanthakumar Thiagarajan NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | 3774f2afdac7SVasanthakumar Thiagarajan NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | 3775a432e7ccSJouni Malinen NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; 3776f2afdac7SVasanthakumar Thiagarajan 377746d33a21SKalle Valo ret = wiphy_register(wiphy); 377846d33a21SKalle Valo if (ret < 0) { 377946d33a21SKalle Valo ath6kl_err("couldn't register wiphy device\n"); 378046d33a21SKalle Valo return ret; 378146d33a21SKalle Valo } 378246d33a21SKalle Valo 3783e5348a1eSVasanthakumar Thiagarajan ar->wiphy_registered = true; 3784e5348a1eSVasanthakumar Thiagarajan 378546d33a21SKalle Valo return 0; 378646d33a21SKalle Valo } 378746d33a21SKalle Valo 378846d33a21SKalle Valo void ath6kl_cfg80211_cleanup(struct ath6kl *ar) 3789bdcd8170SKalle Valo { 3790be98e3a4SVasanthakumar Thiagarajan wiphy_unregister(ar->wiphy); 3791e5348a1eSVasanthakumar Thiagarajan 3792e5348a1eSVasanthakumar Thiagarajan ar->wiphy_registered = false; 379345eaa78fSKalle Valo } 379446d33a21SKalle Valo 379545eaa78fSKalle Valo struct ath6kl *ath6kl_cfg80211_create(void) 379645eaa78fSKalle Valo { 379745eaa78fSKalle Valo struct ath6kl *ar; 379845eaa78fSKalle Valo struct wiphy *wiphy; 379945eaa78fSKalle Valo 380045eaa78fSKalle Valo /* create a new wiphy for use with cfg80211 */ 380145eaa78fSKalle Valo wiphy = wiphy_new(&ath6kl_cfg80211_ops, sizeof(struct ath6kl)); 380245eaa78fSKalle Valo 380345eaa78fSKalle Valo if (!wiphy) { 380445eaa78fSKalle Valo ath6kl_err("couldn't allocate wiphy device\n"); 380545eaa78fSKalle Valo return NULL; 380645eaa78fSKalle Valo } 380745eaa78fSKalle Valo 380845eaa78fSKalle Valo ar = wiphy_priv(wiphy); 380945eaa78fSKalle Valo ar->wiphy = wiphy; 381045eaa78fSKalle Valo 381145eaa78fSKalle Valo return ar; 381245eaa78fSKalle Valo } 381345eaa78fSKalle Valo 381445eaa78fSKalle Valo /* Note: ar variable must not be accessed after calling this! */ 381545eaa78fSKalle Valo void ath6kl_cfg80211_destroy(struct ath6kl *ar) 381645eaa78fSKalle Valo { 38171d2a4456SVasanthakumar Thiagarajan int i; 38181d2a4456SVasanthakumar Thiagarajan 38191d2a4456SVasanthakumar Thiagarajan for (i = 0; i < AP_MAX_NUM_STA; i++) 38201d2a4456SVasanthakumar Thiagarajan kfree(ar->sta_list[i].aggr_conn); 38211d2a4456SVasanthakumar Thiagarajan 3822be98e3a4SVasanthakumar Thiagarajan wiphy_free(ar->wiphy); 3823bdcd8170SKalle Valo } 382445eaa78fSKalle Valo 3825