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 150b1f47e3aSThomas Pedersen if (!test_and_clear_bit(SCHED_SCANNING, &vif->flags)) 15110509f90SKalle Valo return false; 15210509f90SKalle Valo 15310509f90SKalle Valo del_timer_sync(&vif->sched_scan_timer); 15410509f90SKalle Valo 15558109df6SVasanthakumar Thiagarajan if (ar->state == ATH6KL_STATE_RECOVERY) 15658109df6SVasanthakumar Thiagarajan return true; 15710509f90SKalle Valo 158b1f47e3aSThomas Pedersen ath6kl_wmi_enable_sched_scan_cmd(ar->wmi, vif->fw_vif_idx, false); 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: 37238142644SMohammed Shafi Shajakhan case NL80211_IFTYPE_P2P_CLIENT: 37355055976SVasanthakumar Thiagarajan *nw_type = INFRA_NETWORK; 37455055976SVasanthakumar Thiagarajan break; 37555055976SVasanthakumar Thiagarajan case NL80211_IFTYPE_ADHOC: 37655055976SVasanthakumar Thiagarajan *nw_type = ADHOC_NETWORK; 37755055976SVasanthakumar Thiagarajan break; 37855055976SVasanthakumar Thiagarajan case NL80211_IFTYPE_AP: 37955055976SVasanthakumar Thiagarajan case NL80211_IFTYPE_P2P_GO: 38055055976SVasanthakumar Thiagarajan *nw_type = AP_NETWORK; 38155055976SVasanthakumar Thiagarajan break; 38255055976SVasanthakumar Thiagarajan default: 38355055976SVasanthakumar Thiagarajan ath6kl_err("invalid interface type %u\n", type); 38455055976SVasanthakumar Thiagarajan return -ENOTSUPP; 38555055976SVasanthakumar Thiagarajan } 38655055976SVasanthakumar Thiagarajan 38755055976SVasanthakumar Thiagarajan return 0; 38855055976SVasanthakumar Thiagarajan } 38955055976SVasanthakumar Thiagarajan 39055055976SVasanthakumar Thiagarajan static bool ath6kl_is_valid_iftype(struct ath6kl *ar, enum nl80211_iftype type, 39155055976SVasanthakumar Thiagarajan u8 *if_idx, u8 *nw_type) 39255055976SVasanthakumar Thiagarajan { 39355055976SVasanthakumar Thiagarajan int i; 39455055976SVasanthakumar Thiagarajan 39555055976SVasanthakumar Thiagarajan if (ath6kl_nliftype_to_drv_iftype(type, nw_type)) 39655055976SVasanthakumar Thiagarajan return false; 39755055976SVasanthakumar Thiagarajan 39855055976SVasanthakumar Thiagarajan if (ar->ibss_if_active || ((type == NL80211_IFTYPE_ADHOC) && 39955055976SVasanthakumar Thiagarajan ar->num_vif)) 40055055976SVasanthakumar Thiagarajan return false; 40155055976SVasanthakumar Thiagarajan 40255055976SVasanthakumar Thiagarajan if (type == NL80211_IFTYPE_STATION || 40355055976SVasanthakumar Thiagarajan type == NL80211_IFTYPE_AP || type == NL80211_IFTYPE_ADHOC) { 40471f96ee6SKalle Valo for (i = 0; i < ar->vif_max; i++) { 4050db96de6SMohammed Shafi Shajakhan if ((ar->avail_idx_map) & BIT(i)) { 40655055976SVasanthakumar Thiagarajan *if_idx = i; 40755055976SVasanthakumar Thiagarajan return true; 40855055976SVasanthakumar Thiagarajan } 40955055976SVasanthakumar Thiagarajan } 41055055976SVasanthakumar Thiagarajan } 41155055976SVasanthakumar Thiagarajan 4123226f68aSVasanthakumar Thiagarajan if (type == NL80211_IFTYPE_P2P_CLIENT || 4133226f68aSVasanthakumar Thiagarajan type == NL80211_IFTYPE_P2P_GO) { 41471f96ee6SKalle Valo for (i = ar->max_norm_iface; i < ar->vif_max; i++) { 4150db96de6SMohammed Shafi Shajakhan if ((ar->avail_idx_map) & BIT(i)) { 4163226f68aSVasanthakumar Thiagarajan *if_idx = i; 4173226f68aSVasanthakumar Thiagarajan return true; 4183226f68aSVasanthakumar Thiagarajan } 4193226f68aSVasanthakumar Thiagarajan } 4203226f68aSVasanthakumar Thiagarajan } 4213226f68aSVasanthakumar Thiagarajan 42255055976SVasanthakumar Thiagarajan return false; 42355055976SVasanthakumar Thiagarajan } 42455055976SVasanthakumar Thiagarajan 4258c9bb054SKalle Valo static bool ath6kl_is_tx_pending(struct ath6kl *ar) 4268c9bb054SKalle Valo { 4278c9bb054SKalle Valo return ar->tx_pending[ath6kl_wmi_get_control_ep(ar->wmi)] == 0; 4288c9bb054SKalle Valo } 4298c9bb054SKalle Valo 430355b3a98SMohammed Shafi Shajakhan static void ath6kl_cfg80211_sta_bmiss_enhance(struct ath6kl_vif *vif, 431355b3a98SMohammed Shafi Shajakhan bool enable) 432355b3a98SMohammed Shafi Shajakhan { 433355b3a98SMohammed Shafi Shajakhan int err; 434355b3a98SMohammed Shafi Shajakhan 435355b3a98SMohammed Shafi Shajakhan if (WARN_ON(!test_bit(WMI_READY, &vif->ar->flag))) 436355b3a98SMohammed Shafi Shajakhan return; 437355b3a98SMohammed Shafi Shajakhan 438355b3a98SMohammed Shafi Shajakhan if (vif->nw_type != INFRA_NETWORK) 439355b3a98SMohammed Shafi Shajakhan return; 440355b3a98SMohammed Shafi Shajakhan 441355b3a98SMohammed Shafi Shajakhan if (!test_bit(ATH6KL_FW_CAPABILITY_BMISS_ENHANCE, 442355b3a98SMohammed Shafi Shajakhan vif->ar->fw_capabilities)) 443355b3a98SMohammed Shafi Shajakhan return; 444355b3a98SMohammed Shafi Shajakhan 445355b3a98SMohammed Shafi Shajakhan ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s fw bmiss enhance\n", 446355b3a98SMohammed Shafi Shajakhan enable ? "enable" : "disable"); 447355b3a98SMohammed Shafi Shajakhan 448355b3a98SMohammed Shafi Shajakhan err = ath6kl_wmi_sta_bmiss_enhance_cmd(vif->ar->wmi, 449355b3a98SMohammed Shafi Shajakhan vif->fw_vif_idx, enable); 450355b3a98SMohammed Shafi Shajakhan if (err) 451355b3a98SMohammed Shafi Shajakhan ath6kl_err("failed to %s enhanced bmiss detection: %d\n", 452355b3a98SMohammed Shafi Shajakhan enable ? "enable" : "disable", err); 453355b3a98SMohammed Shafi Shajakhan } 4548c9bb054SKalle Valo 455bdcd8170SKalle Valo static int ath6kl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, 456bdcd8170SKalle Valo struct cfg80211_connect_params *sme) 457bdcd8170SKalle Valo { 458bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 45959c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 460bdcd8170SKalle Valo int status; 4613ca9d1fcSAarthi Thiruvengadam u8 nw_subtype = (ar->p2p) ? SUBTYPE_P2PDEV : SUBTYPE_NONE; 462ce0dc0cfSRaja Mani u16 interval; 463bdcd8170SKalle Valo 46410509f90SKalle Valo ath6kl_cfg80211_sscan_disable(vif); 46510509f90SKalle Valo 46614ee6f6bSVasanthakumar Thiagarajan vif->sme_state = SME_CONNECTING; 467bdcd8170SKalle Valo 468990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 469bdcd8170SKalle Valo return -EIO; 470bdcd8170SKalle Valo 471bdcd8170SKalle Valo if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) { 472bdcd8170SKalle Valo ath6kl_err("destroy in progress\n"); 473bdcd8170SKalle Valo return -EBUSY; 474bdcd8170SKalle Valo } 475bdcd8170SKalle Valo 476bdcd8170SKalle Valo if (test_bit(SKIP_SCAN, &ar->flag) && 477bdcd8170SKalle Valo ((sme->channel && sme->channel->center_freq == 0) || 478bdcd8170SKalle Valo (sme->bssid && is_zero_ether_addr(sme->bssid)))) { 479bdcd8170SKalle Valo ath6kl_err("SkipScan: channel or bssid invalid\n"); 480bdcd8170SKalle Valo return -EINVAL; 481bdcd8170SKalle Valo } 482bdcd8170SKalle Valo 483bdcd8170SKalle Valo if (down_interruptible(&ar->sem)) { 484bdcd8170SKalle Valo ath6kl_err("busy, couldn't get access\n"); 485bdcd8170SKalle Valo return -ERESTARTSYS; 486bdcd8170SKalle Valo } 487bdcd8170SKalle Valo 488bdcd8170SKalle Valo if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) { 489bdcd8170SKalle Valo ath6kl_err("busy, destroy in progress\n"); 490bdcd8170SKalle Valo up(&ar->sem); 491bdcd8170SKalle Valo return -EBUSY; 492bdcd8170SKalle Valo } 493bdcd8170SKalle Valo 494bdcd8170SKalle Valo if (ar->tx_pending[ath6kl_wmi_get_control_ep(ar->wmi)]) { 495bdcd8170SKalle Valo /* 496bdcd8170SKalle Valo * sleep until the command queue drains 497bdcd8170SKalle Valo */ 498bdcd8170SKalle Valo wait_event_interruptible_timeout(ar->event_wq, 4998c9bb054SKalle Valo ath6kl_is_tx_pending(ar), 500bdcd8170SKalle Valo WMI_TIMEOUT); 501bdcd8170SKalle Valo if (signal_pending(current)) { 502bdcd8170SKalle Valo ath6kl_err("cmd queue drain timeout\n"); 503bdcd8170SKalle Valo up(&ar->sem); 504bdcd8170SKalle Valo return -EINTR; 505bdcd8170SKalle Valo } 506bdcd8170SKalle Valo } 507bdcd8170SKalle Valo 508334234b5SVasanthakumar Thiagarajan status = ath6kl_set_assoc_req_ies(vif, sme->ie, sme->ie_len); 509743b4518SDan Carpenter if (status) { 510743b4518SDan Carpenter up(&ar->sem); 5116981ffdcSKevin Fang return status; 512743b4518SDan Carpenter } 5136e786cb1SJouni Malinen 5146e786cb1SJouni Malinen if (sme->ie == NULL || sme->ie_len == 0) 515542c519aSRaja Mani ar->connect_ctrl_flags &= ~CONNECT_WPS_FLAG; 5166981ffdcSKevin Fang 51759c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags) && 5183450334fSVasanthakumar Thiagarajan vif->ssid_len == sme->ssid_len && 5193450334fSVasanthakumar Thiagarajan !memcmp(vif->ssid, sme->ssid, vif->ssid_len)) { 520cf5333d7SVasanthakumar Thiagarajan vif->reconnect_flag = true; 521334234b5SVasanthakumar Thiagarajan status = ath6kl_wmi_reconnect_cmd(ar->wmi, vif->fw_vif_idx, 522334234b5SVasanthakumar Thiagarajan vif->req_bssid, 523f74bac54SVasanthakumar Thiagarajan vif->ch_hint); 524bdcd8170SKalle Valo 525bdcd8170SKalle Valo up(&ar->sem); 526bdcd8170SKalle Valo if (status) { 527bdcd8170SKalle Valo ath6kl_err("wmi_reconnect_cmd failed\n"); 528bdcd8170SKalle Valo return -EIO; 529bdcd8170SKalle Valo } 530bdcd8170SKalle Valo return 0; 5313450334fSVasanthakumar Thiagarajan } else if (vif->ssid_len == sme->ssid_len && 5323450334fSVasanthakumar Thiagarajan !memcmp(vif->ssid, sme->ssid, vif->ssid_len)) { 533240d2799SVasanthakumar Thiagarajan ath6kl_disconnect(vif); 534bdcd8170SKalle Valo } 535bdcd8170SKalle Valo 5363450334fSVasanthakumar Thiagarajan memset(vif->ssid, 0, sizeof(vif->ssid)); 5373450334fSVasanthakumar Thiagarajan vif->ssid_len = sme->ssid_len; 5383450334fSVasanthakumar Thiagarajan memcpy(vif->ssid, sme->ssid, sme->ssid_len); 539bdcd8170SKalle Valo 540bdcd8170SKalle Valo if (sme->channel) 541f74bac54SVasanthakumar Thiagarajan vif->ch_hint = sme->channel->center_freq; 542bdcd8170SKalle Valo 5438c8b65e3SVasanthakumar Thiagarajan memset(vif->req_bssid, 0, sizeof(vif->req_bssid)); 544bdcd8170SKalle Valo if (sme->bssid && !is_broadcast_ether_addr(sme->bssid)) 5458c8b65e3SVasanthakumar Thiagarajan memcpy(vif->req_bssid, sme->bssid, sizeof(vif->req_bssid)); 546bdcd8170SKalle Valo 547240d2799SVasanthakumar Thiagarajan ath6kl_set_wpa_version(vif, sme->crypto.wpa_versions); 548bdcd8170SKalle Valo 549240d2799SVasanthakumar Thiagarajan status = ath6kl_set_auth_type(vif, sme->auth_type); 550bdcd8170SKalle Valo if (status) { 551bdcd8170SKalle Valo up(&ar->sem); 552bdcd8170SKalle Valo return status; 553bdcd8170SKalle Valo } 554bdcd8170SKalle Valo 555bdcd8170SKalle Valo if (sme->crypto.n_ciphers_pairwise) 556240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, sme->crypto.ciphers_pairwise[0], true); 557bdcd8170SKalle Valo else 558240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, 0, true); 559bdcd8170SKalle Valo 560240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, sme->crypto.cipher_group, false); 561bdcd8170SKalle Valo 562bdcd8170SKalle Valo if (sme->crypto.n_akm_suites) 563240d2799SVasanthakumar Thiagarajan ath6kl_set_key_mgmt(vif, sme->crypto.akm_suites[0]); 564bdcd8170SKalle Valo 565bdcd8170SKalle Valo if ((sme->key_len) && 5663450334fSVasanthakumar Thiagarajan (vif->auth_mode == NONE_AUTH) && 5673450334fSVasanthakumar Thiagarajan (vif->prwise_crypto == WEP_CRYPT)) { 568bdcd8170SKalle Valo struct ath6kl_key *key = NULL; 569bdcd8170SKalle Valo 570792ecb33SVivek Natarajan if (sme->key_idx > WMI_MAX_KEY_INDEX) { 571bdcd8170SKalle Valo ath6kl_err("key index %d out of bounds\n", 572bdcd8170SKalle Valo sme->key_idx); 573bdcd8170SKalle Valo up(&ar->sem); 574bdcd8170SKalle Valo return -ENOENT; 575bdcd8170SKalle Valo } 576bdcd8170SKalle Valo 5776f2a73f9SVasanthakumar Thiagarajan key = &vif->keys[sme->key_idx]; 578bdcd8170SKalle Valo key->key_len = sme->key_len; 579bdcd8170SKalle Valo memcpy(key->key, sme->key, key->key_len); 5803450334fSVasanthakumar Thiagarajan key->cipher = vif->prwise_crypto; 5813450334fSVasanthakumar Thiagarajan vif->def_txkey_index = sme->key_idx; 582bdcd8170SKalle Valo 583334234b5SVasanthakumar Thiagarajan ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, sme->key_idx, 5843450334fSVasanthakumar Thiagarajan vif->prwise_crypto, 585bdcd8170SKalle Valo GROUP_USAGE | TX_USAGE, 586bdcd8170SKalle Valo key->key_len, 587f4bb9a6fSJouni Malinen NULL, 0, 588bdcd8170SKalle Valo key->key, KEY_OP_INIT_VAL, NULL, 589bdcd8170SKalle Valo NO_SYNC_WMIFLAG); 590bdcd8170SKalle Valo } 591bdcd8170SKalle Valo 592bdcd8170SKalle Valo if (!ar->usr_bss_filter) { 59359c98449SVasanthakumar Thiagarajan clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags); 594240d2799SVasanthakumar Thiagarajan if (ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 595240d2799SVasanthakumar Thiagarajan ALL_BSS_FILTER, 0) != 0) { 596bdcd8170SKalle Valo ath6kl_err("couldn't set bss filtering\n"); 597bdcd8170SKalle Valo up(&ar->sem); 598bdcd8170SKalle Valo return -EIO; 599bdcd8170SKalle Valo } 600bdcd8170SKalle Valo } 601bdcd8170SKalle Valo 602f5938f24SVasanthakumar Thiagarajan vif->nw_type = vif->next_mode; 603bdcd8170SKalle Valo 604c422d52dSThomas Pedersen /* enable enhanced bmiss detection if applicable */ 605c422d52dSThomas Pedersen ath6kl_cfg80211_sta_bmiss_enhance(vif, true); 606c422d52dSThomas Pedersen 6073ca9d1fcSAarthi Thiruvengadam if (vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) 6083ca9d1fcSAarthi Thiruvengadam nw_subtype = SUBTYPE_P2PCLIENT; 6093ca9d1fcSAarthi Thiruvengadam 610bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 611bdcd8170SKalle Valo "%s: connect called with authmode %d dot11 auth %d" 612bdcd8170SKalle Valo " PW crypto %d PW crypto len %d GRP crypto %d" 613bdcd8170SKalle Valo " GRP crypto len %d channel hint %u\n", 614bdcd8170SKalle Valo __func__, 6153450334fSVasanthakumar Thiagarajan vif->auth_mode, vif->dot11_auth_mode, vif->prwise_crypto, 6163450334fSVasanthakumar Thiagarajan vif->prwise_crypto_len, vif->grp_crypto, 617f74bac54SVasanthakumar Thiagarajan vif->grp_crypto_len, vif->ch_hint); 618bdcd8170SKalle Valo 619cf5333d7SVasanthakumar Thiagarajan vif->reconnect_flag = 0; 620ce0dc0cfSRaja Mani 621ce0dc0cfSRaja Mani if (vif->nw_type == INFRA_NETWORK) { 622b5283871SKalle Valo interval = max_t(u16, vif->listen_intvl_t, 623b5283871SKalle Valo ATH6KL_MAX_WOW_LISTEN_INTL); 624ce0dc0cfSRaja Mani status = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx, 625ce0dc0cfSRaja Mani interval, 626ce0dc0cfSRaja Mani 0); 627ce0dc0cfSRaja Mani if (status) { 628ce0dc0cfSRaja Mani ath6kl_err("couldn't set listen intervel\n"); 629ce0dc0cfSRaja Mani up(&ar->sem); 630ce0dc0cfSRaja Mani return status; 631ce0dc0cfSRaja Mani } 632ce0dc0cfSRaja Mani } 633ce0dc0cfSRaja Mani 634334234b5SVasanthakumar Thiagarajan status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type, 6353450334fSVasanthakumar Thiagarajan vif->dot11_auth_mode, vif->auth_mode, 6363450334fSVasanthakumar Thiagarajan vif->prwise_crypto, 6373450334fSVasanthakumar Thiagarajan vif->prwise_crypto_len, 6383450334fSVasanthakumar Thiagarajan vif->grp_crypto, vif->grp_crypto_len, 6393450334fSVasanthakumar Thiagarajan vif->ssid_len, vif->ssid, 640f74bac54SVasanthakumar Thiagarajan vif->req_bssid, vif->ch_hint, 6413ca9d1fcSAarthi Thiruvengadam ar->connect_ctrl_flags, nw_subtype); 642bdcd8170SKalle Valo 6436f7c1adbSMohammed Shafi Shajakhan if (sme->bg_scan_period == 0) { 644f599359cSBala Shanmugam /* disable background scan if period is 0 */ 645f599359cSBala Shanmugam sme->bg_scan_period = 0xffff; 6466f7c1adbSMohammed Shafi Shajakhan } else if (sme->bg_scan_period == -1) { 647f599359cSBala Shanmugam /* configure default value if not specified */ 648f599359cSBala Shanmugam sme->bg_scan_period = DEFAULT_BG_SCAN_PERIOD; 6496f7c1adbSMohammed Shafi Shajakhan } 650f599359cSBala Shanmugam 651f599359cSBala Shanmugam ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 0, 0, 652f599359cSBala Shanmugam sme->bg_scan_period, 0, 0, 0, 3, 0, 0, 0); 653f599359cSBala Shanmugam 654bdcd8170SKalle Valo up(&ar->sem); 655bdcd8170SKalle Valo 656bdcd8170SKalle Valo if (status == -EINVAL) { 6573450334fSVasanthakumar Thiagarajan memset(vif->ssid, 0, sizeof(vif->ssid)); 6583450334fSVasanthakumar Thiagarajan vif->ssid_len = 0; 659bdcd8170SKalle Valo ath6kl_err("invalid request\n"); 660bdcd8170SKalle Valo return -ENOENT; 661bdcd8170SKalle Valo } else if (status) { 662bdcd8170SKalle Valo ath6kl_err("ath6kl_wmi_connect_cmd failed\n"); 663bdcd8170SKalle Valo return -EIO; 664bdcd8170SKalle Valo } 665bdcd8170SKalle Valo 666bdcd8170SKalle Valo if ((!(ar->connect_ctrl_flags & CONNECT_DO_WPA_OFFLOAD)) && 667ddc3d77cSKalle Valo ((vif->auth_mode == WPA_PSK_AUTH) || 668ddc3d77cSKalle Valo (vif->auth_mode == WPA2_PSK_AUTH))) { 669de3ad713SVasanthakumar Thiagarajan mod_timer(&vif->disconnect_timer, 670bdcd8170SKalle Valo jiffies + msecs_to_jiffies(DISCON_TIMER_INTVAL)); 671bdcd8170SKalle Valo } 672bdcd8170SKalle Valo 673bdcd8170SKalle Valo ar->connect_ctrl_flags &= ~CONNECT_DO_WPA_OFFLOAD; 67459c98449SVasanthakumar Thiagarajan set_bit(CONNECT_PEND, &vif->flags); 675bdcd8170SKalle Valo 676bdcd8170SKalle Valo return 0; 677bdcd8170SKalle Valo } 678bdcd8170SKalle Valo 6795e13fd35SVasanthakumar Thiagarajan static struct cfg80211_bss * 6805e13fd35SVasanthakumar Thiagarajan ath6kl_add_bss_if_needed(struct ath6kl_vif *vif, 6814eab6f4fSRaja Mani enum network_type nw_type, 6824eab6f4fSRaja Mani const u8 *bssid, 68301cac476SJouni Malinen struct ieee80211_channel *chan, 6845e13fd35SVasanthakumar Thiagarajan const u8 *beacon_ie, 6855e13fd35SVasanthakumar Thiagarajan size_t beacon_ie_len) 68601cac476SJouni Malinen { 687240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 68801cac476SJouni Malinen struct cfg80211_bss *bss; 6894eab6f4fSRaja Mani u16 cap_mask, cap_val; 69001cac476SJouni Malinen u8 *ie; 69101cac476SJouni Malinen 6924eab6f4fSRaja Mani if (nw_type & ADHOC_NETWORK) { 6934eab6f4fSRaja Mani cap_mask = WLAN_CAPABILITY_IBSS; 6944eab6f4fSRaja Mani cap_val = WLAN_CAPABILITY_IBSS; 6954eab6f4fSRaja Mani } else { 6964eab6f4fSRaja Mani cap_mask = WLAN_CAPABILITY_ESS; 6974eab6f4fSRaja Mani cap_val = WLAN_CAPABILITY_ESS; 6984eab6f4fSRaja Mani } 6994eab6f4fSRaja Mani 700be98e3a4SVasanthakumar Thiagarajan bss = cfg80211_get_bss(ar->wiphy, chan, bssid, 7014eab6f4fSRaja Mani vif->ssid, vif->ssid_len, 7024eab6f4fSRaja Mani cap_mask, cap_val); 70301cac476SJouni Malinen if (bss == NULL) { 70401cac476SJouni Malinen /* 70501cac476SJouni Malinen * Since cfg80211 may not yet know about the BSS, 70601cac476SJouni Malinen * generate a partial entry until the first BSS info 70701cac476SJouni Malinen * event becomes available. 70801cac476SJouni Malinen * 70901cac476SJouni Malinen * Prepend SSID element since it is not included in the Beacon 71001cac476SJouni Malinen * IEs from the target. 71101cac476SJouni Malinen */ 7123450334fSVasanthakumar Thiagarajan ie = kmalloc(2 + vif->ssid_len + beacon_ie_len, GFP_KERNEL); 71301cac476SJouni Malinen if (ie == NULL) 7145e13fd35SVasanthakumar Thiagarajan return NULL; 71501cac476SJouni Malinen ie[0] = WLAN_EID_SSID; 7163450334fSVasanthakumar Thiagarajan ie[1] = vif->ssid_len; 7173450334fSVasanthakumar Thiagarajan memcpy(ie + 2, vif->ssid, vif->ssid_len); 7183450334fSVasanthakumar Thiagarajan memcpy(ie + 2 + vif->ssid_len, beacon_ie, beacon_ie_len); 719be98e3a4SVasanthakumar Thiagarajan bss = cfg80211_inform_bss(ar->wiphy, chan, 7204eab6f4fSRaja Mani bssid, 0, cap_val, 100, 7213450334fSVasanthakumar Thiagarajan ie, 2 + vif->ssid_len + beacon_ie_len, 72201cac476SJouni Malinen 0, GFP_KERNEL); 72301cac476SJouni Malinen if (bss) 724cdeb8602SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 725cdeb8602SKalle Valo "added bss %pM to cfg80211\n", bssid); 72601cac476SJouni Malinen kfree(ie); 72701cac476SJouni Malinen } else 7285e13fd35SVasanthakumar Thiagarajan ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "cfg80211 already has a bss\n"); 72901cac476SJouni Malinen 7305e13fd35SVasanthakumar Thiagarajan return bss; 73101cac476SJouni Malinen } 73201cac476SJouni Malinen 733240d2799SVasanthakumar Thiagarajan void ath6kl_cfg80211_connect_event(struct ath6kl_vif *vif, u16 channel, 734bdcd8170SKalle Valo u8 *bssid, u16 listen_intvl, 735bdcd8170SKalle Valo u16 beacon_intvl, 736bdcd8170SKalle Valo enum network_type nw_type, 737bdcd8170SKalle Valo u8 beacon_ie_len, u8 assoc_req_len, 738bdcd8170SKalle Valo u8 assoc_resp_len, u8 *assoc_info) 739bdcd8170SKalle Valo { 74001cac476SJouni Malinen struct ieee80211_channel *chan; 741240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 7425e13fd35SVasanthakumar Thiagarajan struct cfg80211_bss *bss; 743bdcd8170SKalle Valo 744bdcd8170SKalle Valo /* capinfo + listen interval */ 745bdcd8170SKalle Valo u8 assoc_req_ie_offset = sizeof(u16) + sizeof(u16); 746bdcd8170SKalle Valo 747bdcd8170SKalle Valo /* capinfo + status code + associd */ 748bdcd8170SKalle Valo u8 assoc_resp_ie_offset = sizeof(u16) + sizeof(u16) + sizeof(u16); 749bdcd8170SKalle Valo 750bdcd8170SKalle Valo u8 *assoc_req_ie = assoc_info + beacon_ie_len + assoc_req_ie_offset; 751bdcd8170SKalle Valo u8 *assoc_resp_ie = assoc_info + beacon_ie_len + assoc_req_len + 752bdcd8170SKalle Valo assoc_resp_ie_offset; 753bdcd8170SKalle Valo 754bdcd8170SKalle Valo assoc_req_len -= assoc_req_ie_offset; 755bdcd8170SKalle Valo assoc_resp_len -= assoc_resp_ie_offset; 756bdcd8170SKalle Valo 75732c10874SJouni Malinen /* 75832c10874SJouni Malinen * Store Beacon interval here; DTIM period will be available only once 75932c10874SJouni Malinen * a Beacon frame from the AP is seen. 76032c10874SJouni Malinen */ 761cf5333d7SVasanthakumar Thiagarajan vif->assoc_bss_beacon_int = beacon_intvl; 76259c98449SVasanthakumar Thiagarajan clear_bit(DTIM_PERIOD_AVAIL, &vif->flags); 76332c10874SJouni Malinen 764bdcd8170SKalle Valo if (nw_type & ADHOC_NETWORK) { 765551959d8SVasanthakumar Thiagarajan if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC) { 766bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 767bdcd8170SKalle Valo "%s: ath6k not in ibss mode\n", __func__); 768bdcd8170SKalle Valo return; 769bdcd8170SKalle Valo } 770bdcd8170SKalle Valo } 771bdcd8170SKalle Valo 772bdcd8170SKalle Valo if (nw_type & INFRA_NETWORK) { 773551959d8SVasanthakumar Thiagarajan if (vif->wdev.iftype != NL80211_IFTYPE_STATION && 774551959d8SVasanthakumar Thiagarajan vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) { 775bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 776bdcd8170SKalle Valo "%s: ath6k not in station mode\n", __func__); 777bdcd8170SKalle Valo return; 778bdcd8170SKalle Valo } 779bdcd8170SKalle Valo } 780bdcd8170SKalle Valo 781be98e3a4SVasanthakumar Thiagarajan chan = ieee80211_get_channel(ar->wiphy, (int) channel); 782bdcd8170SKalle Valo 7835e13fd35SVasanthakumar Thiagarajan bss = ath6kl_add_bss_if_needed(vif, nw_type, bssid, chan, 7845e13fd35SVasanthakumar Thiagarajan assoc_info, beacon_ie_len); 7855e13fd35SVasanthakumar Thiagarajan if (!bss) { 7864eab6f4fSRaja Mani ath6kl_err("could not add cfg80211 bss entry\n"); 787bdcd8170SKalle Valo return; 788bdcd8170SKalle Valo } 789bdcd8170SKalle Valo 7904eab6f4fSRaja Mani if (nw_type & ADHOC_NETWORK) { 7914eab6f4fSRaja Mani ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "ad-hoc %s selected\n", 7924eab6f4fSRaja Mani nw_type & ADHOC_CREATOR ? "creator" : "joiner"); 793fe94f3a4SAntonio Quartulli cfg80211_ibss_joined(vif->ndev, bssid, chan, GFP_KERNEL); 7945b112d3dSJohannes Berg cfg80211_put_bss(ar->wiphy, bss); 79501cac476SJouni Malinen return; 79601cac476SJouni Malinen } 79701cac476SJouni Malinen 79814ee6f6bSVasanthakumar Thiagarajan if (vif->sme_state == SME_CONNECTING) { 799bdcd8170SKalle Valo /* inform connect result to cfg80211 */ 80014ee6f6bSVasanthakumar Thiagarajan vif->sme_state = SME_CONNECTED; 801240d2799SVasanthakumar Thiagarajan cfg80211_connect_result(vif->ndev, bssid, 802bdcd8170SKalle Valo assoc_req_ie, assoc_req_len, 803bdcd8170SKalle Valo assoc_resp_ie, assoc_resp_len, 804bdcd8170SKalle Valo WLAN_STATUS_SUCCESS, GFP_KERNEL); 8055b112d3dSJohannes Berg cfg80211_put_bss(ar->wiphy, bss); 80614ee6f6bSVasanthakumar Thiagarajan } else if (vif->sme_state == SME_CONNECTED) { 807bdcd8170SKalle Valo /* inform roam event to cfg80211 */ 8085e13fd35SVasanthakumar Thiagarajan cfg80211_roamed_bss(vif->ndev, bss, assoc_req_ie, assoc_req_len, 809bdcd8170SKalle Valo assoc_resp_ie, assoc_resp_len, GFP_KERNEL); 810bdcd8170SKalle Valo } 811bdcd8170SKalle Valo } 812bdcd8170SKalle Valo 813bdcd8170SKalle Valo static int ath6kl_cfg80211_disconnect(struct wiphy *wiphy, 814bdcd8170SKalle Valo struct net_device *dev, u16 reason_code) 815bdcd8170SKalle Valo { 816d6d5c06cSKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 8173450334fSVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 818bdcd8170SKalle Valo 819bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: reason=%u\n", __func__, 820bdcd8170SKalle Valo reason_code); 821bdcd8170SKalle Valo 82210509f90SKalle Valo ath6kl_cfg80211_sscan_disable(vif); 82310509f90SKalle Valo 824990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 825bdcd8170SKalle Valo return -EIO; 826bdcd8170SKalle Valo 827bdcd8170SKalle Valo if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) { 828bdcd8170SKalle Valo ath6kl_err("busy, destroy in progress\n"); 829bdcd8170SKalle Valo return -EBUSY; 830bdcd8170SKalle Valo } 831bdcd8170SKalle Valo 832bdcd8170SKalle Valo if (down_interruptible(&ar->sem)) { 833bdcd8170SKalle Valo ath6kl_err("busy, couldn't get access\n"); 834bdcd8170SKalle Valo return -ERESTARTSYS; 835bdcd8170SKalle Valo } 836bdcd8170SKalle Valo 837cf5333d7SVasanthakumar Thiagarajan vif->reconnect_flag = 0; 838240d2799SVasanthakumar Thiagarajan ath6kl_disconnect(vif); 8393450334fSVasanthakumar Thiagarajan memset(vif->ssid, 0, sizeof(vif->ssid)); 8403450334fSVasanthakumar Thiagarajan vif->ssid_len = 0; 841bdcd8170SKalle Valo 842bdcd8170SKalle Valo if (!test_bit(SKIP_SCAN, &ar->flag)) 8438c8b65e3SVasanthakumar Thiagarajan memset(vif->req_bssid, 0, sizeof(vif->req_bssid)); 844bdcd8170SKalle Valo 845bdcd8170SKalle Valo up(&ar->sem); 846bdcd8170SKalle Valo 84714ee6f6bSVasanthakumar Thiagarajan vif->sme_state = SME_DISCONNECTED; 848170826ddSVasanthakumar Thiagarajan 849bdcd8170SKalle Valo return 0; 850bdcd8170SKalle Valo } 851bdcd8170SKalle Valo 852240d2799SVasanthakumar Thiagarajan void ath6kl_cfg80211_disconnect_event(struct ath6kl_vif *vif, u8 reason, 853bdcd8170SKalle Valo u8 *bssid, u8 assoc_resp_len, 854bdcd8170SKalle Valo u8 *assoc_info, u16 proto_reason) 855bdcd8170SKalle Valo { 856240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 85759c98449SVasanthakumar Thiagarajan 85814ee6f6bSVasanthakumar Thiagarajan if (vif->scan_req) { 85914ee6f6bSVasanthakumar Thiagarajan cfg80211_scan_done(vif->scan_req, true); 86014ee6f6bSVasanthakumar Thiagarajan vif->scan_req = NULL; 861bdcd8170SKalle Valo } 862bdcd8170SKalle Valo 863f5938f24SVasanthakumar Thiagarajan if (vif->nw_type & ADHOC_NETWORK) { 864fe94f3a4SAntonio Quartulli if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC) 865bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 866bdcd8170SKalle Valo "%s: ath6k not in ibss mode\n", __func__); 867bdcd8170SKalle Valo return; 868bdcd8170SKalle Valo } 869bdcd8170SKalle Valo 870f5938f24SVasanthakumar Thiagarajan if (vif->nw_type & INFRA_NETWORK) { 871551959d8SVasanthakumar Thiagarajan if (vif->wdev.iftype != NL80211_IFTYPE_STATION && 872551959d8SVasanthakumar Thiagarajan vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) { 873bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 874bdcd8170SKalle Valo "%s: ath6k not in station mode\n", __func__); 875bdcd8170SKalle Valo return; 876bdcd8170SKalle Valo } 877bdcd8170SKalle Valo } 878bdcd8170SKalle Valo 87959c98449SVasanthakumar Thiagarajan clear_bit(CONNECT_PEND, &vif->flags); 880bdcd8170SKalle Valo 88114ee6f6bSVasanthakumar Thiagarajan if (vif->sme_state == SME_CONNECTING) { 882240d2799SVasanthakumar Thiagarajan cfg80211_connect_result(vif->ndev, 883bdcd8170SKalle Valo bssid, NULL, 0, 884bdcd8170SKalle Valo NULL, 0, 885bdcd8170SKalle Valo WLAN_STATUS_UNSPECIFIED_FAILURE, 886bdcd8170SKalle Valo GFP_KERNEL); 88714ee6f6bSVasanthakumar Thiagarajan } else if (vif->sme_state == SME_CONNECTED) { 88833a6664aSThomas Pedersen cfg80211_disconnected(vif->ndev, proto_reason, 889bdcd8170SKalle Valo NULL, 0, GFP_KERNEL); 890bdcd8170SKalle Valo } 891bdcd8170SKalle Valo 89214ee6f6bSVasanthakumar Thiagarajan vif->sme_state = SME_DISCONNECTED; 89333a6664aSThomas Pedersen 89433a6664aSThomas Pedersen /* 89533a6664aSThomas Pedersen * Send a disconnect command to target when a disconnect event is 89633a6664aSThomas Pedersen * received with reason code other than 3 (DISCONNECT_CMD - disconnect 89733a6664aSThomas Pedersen * request from host) to make the firmware stop trying to connect even 89833a6664aSThomas Pedersen * after giving disconnect event. There will be one more disconnect 89933a6664aSThomas Pedersen * event for this disconnect command with reason code DISCONNECT_CMD 90033a6664aSThomas Pedersen * which won't be notified to cfg80211. 90133a6664aSThomas Pedersen */ 90233a6664aSThomas Pedersen if (reason != DISCONNECT_CMD) 90333a6664aSThomas Pedersen ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx); 904bdcd8170SKalle Valo } 905bdcd8170SKalle Valo 9063b8ffc6aSJouni Malinen static int ath6kl_set_probed_ssids(struct ath6kl *ar, 9073b8ffc6aSJouni Malinen struct ath6kl_vif *vif, 908dd45b759SNaveen Singh struct cfg80211_ssid *ssids, int n_ssids, 909dd45b759SNaveen Singh struct cfg80211_match_set *match_set, 910dd45b759SNaveen Singh int n_match_ssid) 9113b8ffc6aSJouni Malinen { 912dd45b759SNaveen Singh u8 i, j, index_to_add, ssid_found = false; 913dd45b759SNaveen Singh struct ath6kl_cfg80211_match_probe_ssid ssid_list[MAX_PROBED_SSIDS]; 9143b8ffc6aSJouni Malinen 915dd45b759SNaveen Singh memset(ssid_list, 0, sizeof(ssid_list)); 916dd45b759SNaveen Singh 917dd45b759SNaveen Singh if (n_ssids > MAX_PROBED_SSIDS || 918dd45b759SNaveen Singh n_match_ssid > MAX_PROBED_SSIDS) 9193b8ffc6aSJouni Malinen return -EINVAL; 9203b8ffc6aSJouni Malinen 9213b8ffc6aSJouni Malinen for (i = 0; i < n_ssids; i++) { 922dd45b759SNaveen Singh memcpy(ssid_list[i].ssid.ssid, 923dd45b759SNaveen Singh ssids[i].ssid, 924dd45b759SNaveen Singh ssids[i].ssid_len); 925dd45b759SNaveen Singh ssid_list[i].ssid.ssid_len = ssids[i].ssid_len; 926dd45b759SNaveen Singh 927dd45b759SNaveen Singh if (ssids[i].ssid_len) 928dd45b759SNaveen Singh ssid_list[i].flag = SPECIFIC_SSID_FLAG; 929dd45b759SNaveen Singh else 930dd45b759SNaveen Singh ssid_list[i].flag = ANY_SSID_FLAG; 931dd45b759SNaveen Singh 932dd45b759SNaveen Singh if (n_match_ssid == 0) 933dd45b759SNaveen Singh ssid_list[i].flag |= MATCH_SSID_FLAG; 934dd45b759SNaveen Singh } 935dd45b759SNaveen Singh 936dd45b759SNaveen Singh index_to_add = i; 937dd45b759SNaveen Singh 938dd45b759SNaveen Singh for (i = 0; i < n_match_ssid; i++) { 939dd45b759SNaveen Singh ssid_found = false; 940dd45b759SNaveen Singh 941dd45b759SNaveen Singh for (j = 0; j < n_ssids; j++) { 942dd45b759SNaveen Singh if ((match_set[i].ssid.ssid_len == 943dd45b759SNaveen Singh ssid_list[j].ssid.ssid_len) && 944dd45b759SNaveen Singh (!memcmp(ssid_list[j].ssid.ssid, 945dd45b759SNaveen Singh match_set[i].ssid.ssid, 946dd45b759SNaveen Singh match_set[i].ssid.ssid_len))) { 947dd45b759SNaveen Singh ssid_list[j].flag |= MATCH_SSID_FLAG; 948dd45b759SNaveen Singh ssid_found = true; 949dd45b759SNaveen Singh break; 950dd45b759SNaveen Singh } 951dd45b759SNaveen Singh } 952dd45b759SNaveen Singh 953dd45b759SNaveen Singh if (ssid_found) 954dd45b759SNaveen Singh continue; 955dd45b759SNaveen Singh 956dd45b759SNaveen Singh if (index_to_add >= MAX_PROBED_SSIDS) 957dd45b759SNaveen Singh continue; 958dd45b759SNaveen Singh 959dd45b759SNaveen Singh ssid_list[index_to_add].ssid.ssid_len = 960dd45b759SNaveen Singh match_set[i].ssid.ssid_len; 961dd45b759SNaveen Singh memcpy(ssid_list[index_to_add].ssid.ssid, 962dd45b759SNaveen Singh match_set[i].ssid.ssid, 963dd45b759SNaveen Singh match_set[i].ssid.ssid_len); 964dd45b759SNaveen Singh ssid_list[index_to_add].flag |= MATCH_SSID_FLAG; 965dd45b759SNaveen Singh index_to_add++; 966dd45b759SNaveen Singh } 967dd45b759SNaveen Singh 968dd45b759SNaveen Singh for (i = 0; i < index_to_add; i++) { 9693b8ffc6aSJouni Malinen ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, i, 970dd45b759SNaveen Singh ssid_list[i].flag, 971dd45b759SNaveen Singh ssid_list[i].ssid.ssid_len, 972dd45b759SNaveen Singh ssid_list[i].ssid.ssid); 973dd45b759SNaveen Singh 9743b8ffc6aSJouni Malinen } 9753b8ffc6aSJouni Malinen 9763b8ffc6aSJouni Malinen /* Make sure no old entries are left behind */ 977dd45b759SNaveen Singh for (i = index_to_add; i < MAX_PROBED_SSIDS; i++) { 9783b8ffc6aSJouni Malinen ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, i, 9793b8ffc6aSJouni Malinen DISABLE_SSID_FLAG, 0, NULL); 9803b8ffc6aSJouni Malinen } 9813b8ffc6aSJouni Malinen 9823b8ffc6aSJouni Malinen return 0; 9833b8ffc6aSJouni Malinen } 9843b8ffc6aSJouni Malinen 985fd014284SJohannes Berg static int ath6kl_cfg80211_scan(struct wiphy *wiphy, 986bdcd8170SKalle Valo struct cfg80211_scan_request *request) 987bdcd8170SKalle Valo { 988fd014284SJohannes Berg struct ath6kl_vif *vif = ath6kl_vif_from_wdev(request->wdev); 989fd014284SJohannes Berg struct ath6kl *ar = ath6kl_priv(vif->ndev); 9901276c9efSEdward Lu s8 n_channels = 0; 9911276c9efSEdward Lu u16 *channels = NULL; 992bdcd8170SKalle Valo int ret = 0; 993f1f92179SVasanthakumar Thiagarajan u32 force_fg_scan = 0; 994bdcd8170SKalle Valo 995990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 996bdcd8170SKalle Valo return -EIO; 997bdcd8170SKalle Valo 99810509f90SKalle Valo ath6kl_cfg80211_sscan_disable(vif); 99910509f90SKalle Valo 1000bdcd8170SKalle Valo if (!ar->usr_bss_filter) { 100159c98449SVasanthakumar Thiagarajan clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags); 1002954e6ce5SVasanthakumar Thiagarajan ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 1003954e6ce5SVasanthakumar Thiagarajan ALL_BSS_FILTER, 0); 10041b1e6ee3SJouni Malinen if (ret) { 1005bdcd8170SKalle Valo ath6kl_err("couldn't set bss filtering\n"); 10061b1e6ee3SJouni Malinen return ret; 1007bdcd8170SKalle Valo } 1008bdcd8170SKalle Valo } 1009bdcd8170SKalle Valo 10103b8ffc6aSJouni Malinen ret = ath6kl_set_probed_ssids(ar, vif, request->ssids, 1011dd45b759SNaveen Singh request->n_ssids, NULL, 0); 10123b8ffc6aSJouni Malinen if (ret < 0) 10133b8ffc6aSJouni Malinen return ret; 1014bdcd8170SKalle Valo 1015080eec4fSAarthi Thiruvengadam /* this also clears IE in fw if it's not set */ 1016334234b5SVasanthakumar Thiagarajan ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 1017334234b5SVasanthakumar Thiagarajan WMI_FRAME_PROBE_REQ, 1018b84da8c7SJouni Malinen request->ie, request->ie_len); 1019b84da8c7SJouni Malinen if (ret) { 1020f1ff32e8SJoe Perches ath6kl_err("failed to set Probe Request appie for scan\n"); 1021b84da8c7SJouni Malinen return ret; 1022b84da8c7SJouni Malinen } 1023b84da8c7SJouni Malinen 102411869befSJouni Malinen /* 102511869befSJouni Malinen * Scan only the requested channels if the request specifies a set of 102611869befSJouni Malinen * channels. If the list is longer than the target supports, do not 102711869befSJouni Malinen * configure the list and instead, scan all available channels. 102811869befSJouni Malinen */ 102911869befSJouni Malinen if (request->n_channels > 0 && 103011869befSJouni Malinen request->n_channels <= WMI_MAX_CHANNELS) { 10311276c9efSEdward Lu u8 i; 10321276c9efSEdward Lu 103311869befSJouni Malinen n_channels = request->n_channels; 10341276c9efSEdward Lu 10351276c9efSEdward Lu channels = kzalloc(n_channels * sizeof(u16), GFP_KERNEL); 10361276c9efSEdward Lu if (channels == NULL) { 1037cdeb8602SKalle Valo ath6kl_warn("failed to set scan channels, scan all channels"); 10381276c9efSEdward Lu n_channels = 0; 10391276c9efSEdward Lu } 10401276c9efSEdward Lu 10411276c9efSEdward Lu for (i = 0; i < n_channels; i++) 10421276c9efSEdward Lu channels[i] = request->channels[i]->center_freq; 10431276c9efSEdward Lu } 10441276c9efSEdward Lu 104559c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags)) 1046f1f92179SVasanthakumar Thiagarajan force_fg_scan = 1; 1047f1f92179SVasanthakumar Thiagarajan 10485b35dff0SRaja Mani vif->scan_req = request; 10495b35dff0SRaja Mani 10503ca9d1fcSAarthi Thiruvengadam ret = ath6kl_wmi_beginscan_cmd(ar->wmi, vif->fw_vif_idx, 10513ca9d1fcSAarthi Thiruvengadam WMI_LONG_SCAN, force_fg_scan, 105213423c31SVasanthakumar Thiagarajan false, 0, 105313423c31SVasanthakumar Thiagarajan ATH6KL_FG_SCAN_INTERVAL, 105413423c31SVasanthakumar Thiagarajan n_channels, channels, 105513423c31SVasanthakumar Thiagarajan request->no_cck, 10563ca9d1fcSAarthi Thiruvengadam request->rates); 10575b35dff0SRaja Mani if (ret) { 105811f0bfcfSKalle Valo ath6kl_err("failed to start scan: %d\n", ret); 10595b35dff0SRaja Mani vif->scan_req = NULL; 10605b35dff0SRaja Mani } 1061bdcd8170SKalle Valo 10621276c9efSEdward Lu kfree(channels); 10631276c9efSEdward Lu 1064bdcd8170SKalle Valo return ret; 1065bdcd8170SKalle Valo } 1066bdcd8170SKalle Valo 10671c17d313SKalle Valo void ath6kl_cfg80211_scan_complete_event(struct ath6kl_vif *vif, bool aborted) 1068bdcd8170SKalle Valo { 1069240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 10706fd1eaceSKalle Valo int i; 1071bdcd8170SKalle Valo 10721c17d313SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: status%s\n", __func__, 10731c17d313SKalle Valo aborted ? " aborted" : ""); 1074bdcd8170SKalle Valo 107514ee6f6bSVasanthakumar Thiagarajan if (!vif->scan_req) 10766fd1eaceSKalle Valo return; 10776fd1eaceSKalle Valo 10781c17d313SKalle Valo if (aborted) 10796fd1eaceSKalle Valo goto out; 1080bdcd8170SKalle Valo 108114ee6f6bSVasanthakumar Thiagarajan if (vif->scan_req->n_ssids && vif->scan_req->ssids[0].ssid_len) { 108214ee6f6bSVasanthakumar Thiagarajan for (i = 0; i < vif->scan_req->n_ssids; i++) { 1083334234b5SVasanthakumar Thiagarajan ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, 1084334234b5SVasanthakumar Thiagarajan i + 1, DISABLE_SSID_FLAG, 1085bdcd8170SKalle Valo 0, NULL); 1086bdcd8170SKalle Valo } 1087bdcd8170SKalle Valo } 10886fd1eaceSKalle Valo 10896fd1eaceSKalle Valo out: 1090cb93821aSKalle Valo cfg80211_scan_done(vif->scan_req, aborted); 109114ee6f6bSVasanthakumar Thiagarajan vif->scan_req = NULL; 1092bdcd8170SKalle Valo } 1093bdcd8170SKalle Valo 1094c4f7863eSThomas Pedersen void ath6kl_cfg80211_ch_switch_notify(struct ath6kl_vif *vif, int freq, 1095c4f7863eSThomas Pedersen enum wmi_phy_mode mode) 1096c4f7863eSThomas Pedersen { 1097683b6d3bSJohannes Berg struct cfg80211_chan_def chandef; 1098c4f7863eSThomas Pedersen 1099c4f7863eSThomas Pedersen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1100c4f7863eSThomas Pedersen "channel switch notify nw_type %d freq %d mode %d\n", 1101c4f7863eSThomas Pedersen vif->nw_type, freq, mode); 1102c4f7863eSThomas Pedersen 11033d9d1d66SJohannes Berg cfg80211_chandef_create(&chandef, 11043d9d1d66SJohannes Berg ieee80211_get_channel(vif->ar->wiphy, freq), 11053d9d1d66SJohannes Berg (mode == WMI_11G_HT20) ? 11063d9d1d66SJohannes Berg NL80211_CHAN_HT20 : NL80211_CHAN_NO_HT); 1107c4f7863eSThomas Pedersen 1108e487eaebSSimon Wunderlich mutex_lock(&vif->wdev.mtx); 1109683b6d3bSJohannes Berg cfg80211_ch_switch_notify(vif->ndev, &chandef); 1110e487eaebSSimon Wunderlich mutex_unlock(&vif->wdev.mtx); 1111c4f7863eSThomas Pedersen } 1112c4f7863eSThomas Pedersen 1113bdcd8170SKalle Valo static int ath6kl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev, 1114bdcd8170SKalle Valo u8 key_index, bool pairwise, 1115bdcd8170SKalle Valo const u8 *mac_addr, 1116bdcd8170SKalle Valo struct key_params *params) 1117bdcd8170SKalle Valo { 1118d6d5c06cSKalle Valo struct ath6kl *ar = ath6kl_priv(ndev); 111959c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 1120bdcd8170SKalle Valo struct ath6kl_key *key = NULL; 11214a8ce2fdSSujith Manoharan int seq_len; 1122bdcd8170SKalle Valo u8 key_usage; 1123bdcd8170SKalle Valo u8 key_type; 1124bdcd8170SKalle Valo 1125990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1126bdcd8170SKalle Valo return -EIO; 1127bdcd8170SKalle Valo 1128837cb97eSJouni Malinen if (params->cipher == CCKM_KRK_CIPHER_SUITE) { 1129837cb97eSJouni Malinen if (params->key_len != WMI_KRK_LEN) 1130837cb97eSJouni Malinen return -EINVAL; 1131240d2799SVasanthakumar Thiagarajan return ath6kl_wmi_add_krk_cmd(ar->wmi, vif->fw_vif_idx, 1132240d2799SVasanthakumar Thiagarajan params->key); 1133837cb97eSJouni Malinen } 1134837cb97eSJouni Malinen 1135792ecb33SVivek Natarajan if (key_index > WMI_MAX_KEY_INDEX) { 1136bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1137bdcd8170SKalle Valo "%s: key index %d out of bounds\n", __func__, 1138bdcd8170SKalle Valo key_index); 1139bdcd8170SKalle Valo return -ENOENT; 1140bdcd8170SKalle Valo } 1141bdcd8170SKalle Valo 11426f2a73f9SVasanthakumar Thiagarajan key = &vif->keys[key_index]; 1143bdcd8170SKalle Valo memset(key, 0, sizeof(struct ath6kl_key)); 1144bdcd8170SKalle Valo 1145bdcd8170SKalle Valo if (pairwise) 1146bdcd8170SKalle Valo key_usage = PAIRWISE_USAGE; 1147bdcd8170SKalle Valo else 1148bdcd8170SKalle Valo key_usage = GROUP_USAGE; 1149bdcd8170SKalle Valo 11504a8ce2fdSSujith Manoharan seq_len = params->seq_len; 11515e07021eSDai Shuibing if (params->cipher == WLAN_CIPHER_SUITE_SMS4 && 11525e07021eSDai Shuibing seq_len > ATH6KL_KEY_SEQ_LEN) { 11535e07021eSDai Shuibing /* Only first half of the WPI PN is configured */ 11545e07021eSDai Shuibing seq_len = ATH6KL_KEY_SEQ_LEN; 11555e07021eSDai Shuibing } 1156bdcd8170SKalle Valo if (params->key_len > WLAN_MAX_KEY_LEN || 11575e07021eSDai Shuibing seq_len > sizeof(key->seq)) 1158bdcd8170SKalle Valo return -EINVAL; 1159bdcd8170SKalle Valo 1160bdcd8170SKalle Valo key->key_len = params->key_len; 1161bdcd8170SKalle Valo memcpy(key->key, params->key, key->key_len); 11625e07021eSDai Shuibing key->seq_len = seq_len; 1163bdcd8170SKalle Valo memcpy(key->seq, params->seq, key->seq_len); 1164bdcd8170SKalle Valo key->cipher = params->cipher; 1165bdcd8170SKalle Valo 1166bdcd8170SKalle Valo switch (key->cipher) { 1167bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_WEP40: 1168bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_WEP104: 1169bdcd8170SKalle Valo key_type = WEP_CRYPT; 1170bdcd8170SKalle Valo break; 1171bdcd8170SKalle Valo 1172bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_TKIP: 1173bdcd8170SKalle Valo key_type = TKIP_CRYPT; 1174bdcd8170SKalle Valo break; 1175bdcd8170SKalle Valo 1176bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_CCMP: 1177bdcd8170SKalle Valo key_type = AES_CRYPT; 1178bdcd8170SKalle Valo break; 11795e07021eSDai Shuibing case WLAN_CIPHER_SUITE_SMS4: 11805e07021eSDai Shuibing key_type = WAPI_CRYPT; 11815e07021eSDai Shuibing break; 1182bdcd8170SKalle Valo 1183bdcd8170SKalle Valo default: 1184bdcd8170SKalle Valo return -ENOTSUPP; 1185bdcd8170SKalle Valo } 1186bdcd8170SKalle Valo 1187ddc3d77cSKalle Valo if (((vif->auth_mode == WPA_PSK_AUTH) || 1188ddc3d77cSKalle Valo (vif->auth_mode == WPA2_PSK_AUTH)) && 1189ddc3d77cSKalle Valo (key_usage & GROUP_USAGE)) 1190de3ad713SVasanthakumar Thiagarajan del_timer(&vif->disconnect_timer); 1191bdcd8170SKalle Valo 1192bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1193bdcd8170SKalle Valo "%s: index %d, key_len %d, key_type 0x%x, key_usage 0x%x, seq_len %d\n", 1194bdcd8170SKalle Valo __func__, key_index, key->key_len, key_type, 1195bdcd8170SKalle Valo key_usage, key->seq_len); 1196bdcd8170SKalle Valo 1197f5938f24SVasanthakumar Thiagarajan if (vif->nw_type == AP_NETWORK && !pairwise && 11984703290aSJouni Malinen (key_type == TKIP_CRYPT || key_type == AES_CRYPT || 1199cc4d623dSVasanthakumar Thiagarajan key_type == WAPI_CRYPT)) { 12009a5b1318SJouni Malinen ar->ap_mode_bkey.valid = true; 12019a5b1318SJouni Malinen ar->ap_mode_bkey.key_index = key_index; 12029a5b1318SJouni Malinen ar->ap_mode_bkey.key_type = key_type; 12039a5b1318SJouni Malinen ar->ap_mode_bkey.key_len = key->key_len; 12049a5b1318SJouni Malinen memcpy(ar->ap_mode_bkey.key, key->key, key->key_len); 120559c98449SVasanthakumar Thiagarajan if (!test_bit(CONNECTED, &vif->flags)) { 1206cdeb8602SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1207cdeb8602SKalle Valo "Delay initial group key configuration until AP mode has been started\n"); 12089a5b1318SJouni Malinen /* 12099a5b1318SJouni Malinen * The key will be set in ath6kl_connect_ap_mode() once 12109a5b1318SJouni Malinen * the connected event is received from the target. 12119a5b1318SJouni Malinen */ 12129a5b1318SJouni Malinen return 0; 12139a5b1318SJouni Malinen } 12149a5b1318SJouni Malinen } 12159a5b1318SJouni Malinen 1216f5938f24SVasanthakumar Thiagarajan if (vif->next_mode == AP_NETWORK && key_type == WEP_CRYPT && 121759c98449SVasanthakumar Thiagarajan !test_bit(CONNECTED, &vif->flags)) { 1218151411e8SJouni Malinen /* 1219151411e8SJouni Malinen * Store the key locally so that it can be re-configured after 1220151411e8SJouni Malinen * the AP mode has properly started 1221151411e8SJouni Malinen * (ath6kl_install_statioc_wep_keys). 1222151411e8SJouni Malinen */ 1223cdeb8602SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1224cdeb8602SKalle Valo "Delay WEP key configuration until AP mode has been started\n"); 12256f2a73f9SVasanthakumar Thiagarajan vif->wep_key_list[key_index].key_len = key->key_len; 12266f2a73f9SVasanthakumar Thiagarajan memcpy(vif->wep_key_list[key_index].key, key->key, 12276f2a73f9SVasanthakumar Thiagarajan key->key_len); 1228151411e8SJouni Malinen return 0; 1229151411e8SJouni Malinen } 1230151411e8SJouni Malinen 12317cefa44fSVasanthakumar Thiagarajan return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, key_index, 1232bdcd8170SKalle Valo key_type, key_usage, key->key_len, 1233f4bb9a6fSJouni Malinen key->seq, key->seq_len, key->key, 1234f4bb9a6fSJouni Malinen KEY_OP_INIT_VAL, 1235bdcd8170SKalle Valo (u8 *) mac_addr, SYNC_BOTH_WMIFLAG); 1236bdcd8170SKalle Valo } 1237bdcd8170SKalle Valo 1238bdcd8170SKalle Valo static int ath6kl_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev, 1239bdcd8170SKalle Valo u8 key_index, bool pairwise, 1240bdcd8170SKalle Valo const u8 *mac_addr) 1241bdcd8170SKalle Valo { 1242d6d5c06cSKalle Valo struct ath6kl *ar = ath6kl_priv(ndev); 12436f2a73f9SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 1244bdcd8170SKalle Valo 1245bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index); 1246bdcd8170SKalle Valo 1247990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1248bdcd8170SKalle Valo return -EIO; 1249bdcd8170SKalle Valo 1250792ecb33SVivek Natarajan if (key_index > WMI_MAX_KEY_INDEX) { 1251bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1252bdcd8170SKalle Valo "%s: key index %d out of bounds\n", __func__, 1253bdcd8170SKalle Valo key_index); 1254bdcd8170SKalle Valo return -ENOENT; 1255bdcd8170SKalle Valo } 1256bdcd8170SKalle Valo 12576f2a73f9SVasanthakumar Thiagarajan if (!vif->keys[key_index].key_len) { 1258bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1259bdcd8170SKalle Valo "%s: index %d is empty\n", __func__, key_index); 1260bdcd8170SKalle Valo return 0; 1261bdcd8170SKalle Valo } 1262bdcd8170SKalle Valo 12636f2a73f9SVasanthakumar Thiagarajan vif->keys[key_index].key_len = 0; 1264bdcd8170SKalle Valo 1265334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_deletekey_cmd(ar->wmi, vif->fw_vif_idx, key_index); 1266bdcd8170SKalle Valo } 1267bdcd8170SKalle Valo 1268bdcd8170SKalle Valo static int ath6kl_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev, 1269bdcd8170SKalle Valo u8 key_index, bool pairwise, 1270bdcd8170SKalle Valo const u8 *mac_addr, void *cookie, 1271bdcd8170SKalle Valo void (*callback) (void *cookie, 1272bdcd8170SKalle Valo struct key_params *)) 1273bdcd8170SKalle Valo { 12746f2a73f9SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 1275bdcd8170SKalle Valo struct ath6kl_key *key = NULL; 1276bdcd8170SKalle Valo struct key_params params; 1277bdcd8170SKalle Valo 1278bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index); 1279bdcd8170SKalle Valo 1280990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1281bdcd8170SKalle Valo return -EIO; 1282bdcd8170SKalle Valo 1283792ecb33SVivek Natarajan if (key_index > WMI_MAX_KEY_INDEX) { 1284bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1285bdcd8170SKalle Valo "%s: key index %d out of bounds\n", __func__, 1286bdcd8170SKalle Valo key_index); 1287bdcd8170SKalle Valo return -ENOENT; 1288bdcd8170SKalle Valo } 1289bdcd8170SKalle Valo 12906f2a73f9SVasanthakumar Thiagarajan key = &vif->keys[key_index]; 1291bdcd8170SKalle Valo memset(¶ms, 0, sizeof(params)); 1292bdcd8170SKalle Valo params.cipher = key->cipher; 1293bdcd8170SKalle Valo params.key_len = key->key_len; 1294bdcd8170SKalle Valo params.seq_len = key->seq_len; 1295bdcd8170SKalle Valo params.seq = key->seq; 1296bdcd8170SKalle Valo params.key = key->key; 1297bdcd8170SKalle Valo 1298bdcd8170SKalle Valo callback(cookie, ¶ms); 1299bdcd8170SKalle Valo 1300bdcd8170SKalle Valo return key->key_len ? 0 : -ENOENT; 1301bdcd8170SKalle Valo } 1302bdcd8170SKalle Valo 1303bdcd8170SKalle Valo static int ath6kl_cfg80211_set_default_key(struct wiphy *wiphy, 1304bdcd8170SKalle Valo struct net_device *ndev, 1305bdcd8170SKalle Valo u8 key_index, bool unicast, 1306bdcd8170SKalle Valo bool multicast) 1307bdcd8170SKalle Valo { 1308d6d5c06cSKalle Valo struct ath6kl *ar = ath6kl_priv(ndev); 130959c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 1310bdcd8170SKalle Valo struct ath6kl_key *key = NULL; 1311bdcd8170SKalle Valo u8 key_usage; 1312229ed6b5SEdward Lu enum crypto_type key_type = NONE_CRYPT; 1313bdcd8170SKalle Valo 1314bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index); 1315bdcd8170SKalle Valo 1316990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1317bdcd8170SKalle Valo return -EIO; 1318bdcd8170SKalle Valo 1319792ecb33SVivek Natarajan if (key_index > WMI_MAX_KEY_INDEX) { 1320bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1321bdcd8170SKalle Valo "%s: key index %d out of bounds\n", 1322bdcd8170SKalle Valo __func__, key_index); 1323bdcd8170SKalle Valo return -ENOENT; 1324bdcd8170SKalle Valo } 1325bdcd8170SKalle Valo 13266f2a73f9SVasanthakumar Thiagarajan if (!vif->keys[key_index].key_len) { 1327bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: invalid key index %d\n", 1328bdcd8170SKalle Valo __func__, key_index); 1329bdcd8170SKalle Valo return -EINVAL; 1330bdcd8170SKalle Valo } 1331bdcd8170SKalle Valo 13323450334fSVasanthakumar Thiagarajan vif->def_txkey_index = key_index; 13336f2a73f9SVasanthakumar Thiagarajan key = &vif->keys[vif->def_txkey_index]; 1334bdcd8170SKalle Valo key_usage = GROUP_USAGE; 13353450334fSVasanthakumar Thiagarajan if (vif->prwise_crypto == WEP_CRYPT) 1336bdcd8170SKalle Valo key_usage |= TX_USAGE; 1337229ed6b5SEdward Lu if (unicast) 13383450334fSVasanthakumar Thiagarajan key_type = vif->prwise_crypto; 1339229ed6b5SEdward Lu if (multicast) 13403450334fSVasanthakumar Thiagarajan key_type = vif->grp_crypto; 1341bdcd8170SKalle Valo 1342f5938f24SVasanthakumar Thiagarajan if (vif->next_mode == AP_NETWORK && !test_bit(CONNECTED, &vif->flags)) 13439a5b1318SJouni Malinen return 0; /* Delay until AP mode has been started */ 13449a5b1318SJouni Malinen 1345f3e61eceSJouni Malinen return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, 1346334234b5SVasanthakumar Thiagarajan vif->def_txkey_index, 1347229ed6b5SEdward Lu key_type, key_usage, 1348f4bb9a6fSJouni Malinen key->key_len, key->seq, key->seq_len, 1349f4bb9a6fSJouni Malinen key->key, 1350bdcd8170SKalle Valo KEY_OP_INIT_VAL, NULL, 1351bdcd8170SKalle Valo SYNC_BOTH_WMIFLAG); 1352bdcd8170SKalle Valo } 1353bdcd8170SKalle Valo 1354240d2799SVasanthakumar Thiagarajan void ath6kl_cfg80211_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid, 1355bdcd8170SKalle Valo bool ismcast) 1356bdcd8170SKalle Valo { 1357bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1358bdcd8170SKalle Valo "%s: keyid %d, ismcast %d\n", __func__, keyid, ismcast); 1359bdcd8170SKalle Valo 1360240d2799SVasanthakumar Thiagarajan cfg80211_michael_mic_failure(vif->ndev, vif->bssid, 1361bdcd8170SKalle Valo (ismcast ? NL80211_KEYTYPE_GROUP : 1362bdcd8170SKalle Valo NL80211_KEYTYPE_PAIRWISE), keyid, NULL, 1363bdcd8170SKalle Valo GFP_KERNEL); 1364bdcd8170SKalle Valo } 1365bdcd8170SKalle Valo 1366bdcd8170SKalle Valo static int ath6kl_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) 1367bdcd8170SKalle Valo { 1368bdcd8170SKalle Valo struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy); 1369990bd915SVasanthakumar Thiagarajan struct ath6kl_vif *vif; 1370bdcd8170SKalle Valo int ret; 1371bdcd8170SKalle Valo 1372bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: changed 0x%x\n", __func__, 1373bdcd8170SKalle Valo changed); 1374bdcd8170SKalle Valo 1375990bd915SVasanthakumar Thiagarajan vif = ath6kl_vif_first(ar); 1376990bd915SVasanthakumar Thiagarajan if (!vif) 1377990bd915SVasanthakumar Thiagarajan return -EIO; 1378990bd915SVasanthakumar Thiagarajan 1379990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1380bdcd8170SKalle Valo return -EIO; 1381bdcd8170SKalle Valo 1382bdcd8170SKalle Valo if (changed & WIPHY_PARAM_RTS_THRESHOLD) { 1383bdcd8170SKalle Valo ret = ath6kl_wmi_set_rts_cmd(ar->wmi, wiphy->rts_threshold); 1384bdcd8170SKalle Valo if (ret != 0) { 1385bdcd8170SKalle Valo ath6kl_err("ath6kl_wmi_set_rts_cmd failed\n"); 1386bdcd8170SKalle Valo return -EIO; 1387bdcd8170SKalle Valo } 1388bdcd8170SKalle Valo } 1389bdcd8170SKalle Valo 1390bdcd8170SKalle Valo return 0; 1391bdcd8170SKalle Valo } 1392bdcd8170SKalle Valo 1393bdcd8170SKalle Valo static int ath6kl_cfg80211_set_txpower(struct wiphy *wiphy, 1394c8442118SJohannes Berg struct wireless_dev *wdev, 1395bdcd8170SKalle Valo enum nl80211_tx_power_setting type, 1396b992a285SLuis R. Rodriguez int mbm) 1397bdcd8170SKalle Valo { 1398bdcd8170SKalle Valo struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy); 1399990bd915SVasanthakumar Thiagarajan struct ath6kl_vif *vif; 1400b992a285SLuis R. Rodriguez int dbm = MBM_TO_DBM(mbm); 1401bdcd8170SKalle Valo 1402bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x, dbm %d\n", __func__, 1403bdcd8170SKalle Valo type, dbm); 1404bdcd8170SKalle Valo 1405990bd915SVasanthakumar Thiagarajan vif = ath6kl_vif_first(ar); 1406990bd915SVasanthakumar Thiagarajan if (!vif) 1407990bd915SVasanthakumar Thiagarajan return -EIO; 1408990bd915SVasanthakumar Thiagarajan 1409990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1410bdcd8170SKalle Valo return -EIO; 1411bdcd8170SKalle Valo 1412bdcd8170SKalle Valo switch (type) { 1413bdcd8170SKalle Valo case NL80211_TX_POWER_AUTOMATIC: 1414bdcd8170SKalle Valo return 0; 1415bdcd8170SKalle Valo case NL80211_TX_POWER_LIMITED: 1416d0d670abSKalle Valo ar->tx_pwr = dbm; 1417bdcd8170SKalle Valo break; 1418bdcd8170SKalle Valo default: 1419bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x not supported\n", 1420bdcd8170SKalle Valo __func__, type); 1421bdcd8170SKalle Valo return -EOPNOTSUPP; 1422bdcd8170SKalle Valo } 1423bdcd8170SKalle Valo 1424d0d670abSKalle Valo ath6kl_wmi_set_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx, dbm); 1425bdcd8170SKalle Valo 1426bdcd8170SKalle Valo return 0; 1427bdcd8170SKalle Valo } 1428bdcd8170SKalle Valo 1429c8442118SJohannes Berg static int ath6kl_cfg80211_get_txpower(struct wiphy *wiphy, 1430c8442118SJohannes Berg struct wireless_dev *wdev, 1431c8442118SJohannes Berg int *dbm) 1432bdcd8170SKalle Valo { 1433bdcd8170SKalle Valo struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy); 1434990bd915SVasanthakumar Thiagarajan struct ath6kl_vif *vif; 1435bdcd8170SKalle Valo 1436990bd915SVasanthakumar Thiagarajan vif = ath6kl_vif_first(ar); 1437990bd915SVasanthakumar Thiagarajan if (!vif) 1438990bd915SVasanthakumar Thiagarajan return -EIO; 1439990bd915SVasanthakumar Thiagarajan 1440990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1441bdcd8170SKalle Valo return -EIO; 1442bdcd8170SKalle Valo 144359c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags)) { 1444bdcd8170SKalle Valo ar->tx_pwr = 0; 1445bdcd8170SKalle Valo 1446990bd915SVasanthakumar Thiagarajan if (ath6kl_wmi_get_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx) != 0) { 1447bdcd8170SKalle Valo ath6kl_err("ath6kl_wmi_get_tx_pwr_cmd failed\n"); 1448bdcd8170SKalle Valo return -EIO; 1449bdcd8170SKalle Valo } 1450bdcd8170SKalle Valo 1451bdcd8170SKalle Valo wait_event_interruptible_timeout(ar->event_wq, ar->tx_pwr != 0, 1452bdcd8170SKalle Valo 5 * HZ); 1453bdcd8170SKalle Valo 1454bdcd8170SKalle Valo if (signal_pending(current)) { 1455bdcd8170SKalle Valo ath6kl_err("target did not respond\n"); 1456bdcd8170SKalle Valo return -EINTR; 1457bdcd8170SKalle Valo } 1458bdcd8170SKalle Valo } 1459bdcd8170SKalle Valo 1460bdcd8170SKalle Valo *dbm = ar->tx_pwr; 1461bdcd8170SKalle Valo return 0; 1462bdcd8170SKalle Valo } 1463bdcd8170SKalle Valo 1464bdcd8170SKalle Valo static int ath6kl_cfg80211_set_power_mgmt(struct wiphy *wiphy, 1465bdcd8170SKalle Valo struct net_device *dev, 1466bdcd8170SKalle Valo bool pmgmt, int timeout) 1467bdcd8170SKalle Valo { 1468bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 1469bdcd8170SKalle Valo struct wmi_power_mode_cmd mode; 1470334234b5SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1471bdcd8170SKalle Valo 1472bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: pmgmt %d, timeout %d\n", 1473bdcd8170SKalle Valo __func__, pmgmt, timeout); 1474bdcd8170SKalle Valo 1475990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1476bdcd8170SKalle Valo return -EIO; 1477bdcd8170SKalle Valo 1478bdcd8170SKalle Valo if (pmgmt) { 1479f0ed67ecSMohammed Shafi Shajakhan ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: rec power\n", __func__); 1480bdcd8170SKalle Valo mode.pwr_mode = REC_POWER; 1481bdcd8170SKalle Valo } else { 1482f0ed67ecSMohammed Shafi Shajakhan ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: max perf\n", __func__); 1483bdcd8170SKalle Valo mode.pwr_mode = MAX_PERF_POWER; 1484bdcd8170SKalle Valo } 1485bdcd8170SKalle Valo 1486334234b5SVasanthakumar Thiagarajan if (ath6kl_wmi_powermode_cmd(ar->wmi, vif->fw_vif_idx, 1487334234b5SVasanthakumar Thiagarajan mode.pwr_mode) != 0) { 1488bdcd8170SKalle Valo ath6kl_err("wmi_powermode_cmd failed\n"); 1489bdcd8170SKalle Valo return -EIO; 1490bdcd8170SKalle Valo } 1491bdcd8170SKalle Valo 1492bdcd8170SKalle Valo return 0; 1493bdcd8170SKalle Valo } 1494bdcd8170SKalle Valo 149584efbb84SJohannes Berg static struct wireless_dev *ath6kl_cfg80211_add_iface(struct wiphy *wiphy, 1496552bff0cSJohannes Berg const char *name, 149755055976SVasanthakumar Thiagarajan enum nl80211_iftype type, 149855055976SVasanthakumar Thiagarajan u32 *flags, 149955055976SVasanthakumar Thiagarajan struct vif_params *params) 150055055976SVasanthakumar Thiagarajan { 150155055976SVasanthakumar Thiagarajan struct ath6kl *ar = wiphy_priv(wiphy); 150284efbb84SJohannes Berg struct wireless_dev *wdev; 150355055976SVasanthakumar Thiagarajan u8 if_idx, nw_type; 150455055976SVasanthakumar Thiagarajan 150571f96ee6SKalle Valo if (ar->num_vif == ar->vif_max) { 150655055976SVasanthakumar Thiagarajan ath6kl_err("Reached maximum number of supported vif\n"); 150755055976SVasanthakumar Thiagarajan return ERR_PTR(-EINVAL); 150855055976SVasanthakumar Thiagarajan } 150955055976SVasanthakumar Thiagarajan 151055055976SVasanthakumar Thiagarajan if (!ath6kl_is_valid_iftype(ar, type, &if_idx, &nw_type)) { 151155055976SVasanthakumar Thiagarajan ath6kl_err("Not a supported interface type\n"); 151255055976SVasanthakumar Thiagarajan return ERR_PTR(-EINVAL); 151355055976SVasanthakumar Thiagarajan } 151455055976SVasanthakumar Thiagarajan 151584efbb84SJohannes Berg wdev = ath6kl_interface_add(ar, name, type, if_idx, nw_type); 151684efbb84SJohannes Berg if (!wdev) 151755055976SVasanthakumar Thiagarajan return ERR_PTR(-ENOMEM); 151855055976SVasanthakumar Thiagarajan 151955055976SVasanthakumar Thiagarajan ar->num_vif++; 152055055976SVasanthakumar Thiagarajan 152184efbb84SJohannes Berg return wdev; 152255055976SVasanthakumar Thiagarajan } 152355055976SVasanthakumar Thiagarajan 152455055976SVasanthakumar Thiagarajan static int ath6kl_cfg80211_del_iface(struct wiphy *wiphy, 152584efbb84SJohannes Berg struct wireless_dev *wdev) 152655055976SVasanthakumar Thiagarajan { 152755055976SVasanthakumar Thiagarajan struct ath6kl *ar = wiphy_priv(wiphy); 152884efbb84SJohannes Berg struct ath6kl_vif *vif = netdev_priv(wdev->netdev); 152955055976SVasanthakumar Thiagarajan 153011f6e40dSVasanthakumar Thiagarajan spin_lock_bh(&ar->list_lock); 153155055976SVasanthakumar Thiagarajan list_del(&vif->list); 153211f6e40dSVasanthakumar Thiagarajan spin_unlock_bh(&ar->list_lock); 153355055976SVasanthakumar Thiagarajan 1534355b3a98SMohammed Shafi Shajakhan ath6kl_cfg80211_vif_stop(vif, test_bit(WMI_READY, &ar->flag)); 153555055976SVasanthakumar Thiagarajan 1536bc52aab3SMohammed Shafi Shajakhan rtnl_lock(); 1537c25889e8SKalle Valo ath6kl_cfg80211_vif_cleanup(vif); 1538bc52aab3SMohammed Shafi Shajakhan rtnl_unlock(); 153955055976SVasanthakumar Thiagarajan 154055055976SVasanthakumar Thiagarajan return 0; 154155055976SVasanthakumar Thiagarajan } 154255055976SVasanthakumar Thiagarajan 1543bdcd8170SKalle Valo static int ath6kl_cfg80211_change_iface(struct wiphy *wiphy, 1544bdcd8170SKalle Valo struct net_device *ndev, 1545bdcd8170SKalle Valo enum nl80211_iftype type, u32 *flags, 1546bdcd8170SKalle Valo struct vif_params *params) 1547bdcd8170SKalle Valo { 1548f5938f24SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 15491e8d13b0SVasanthakumar Thiagarajan int i; 1550bdcd8170SKalle Valo 1551bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type %u\n", __func__, type); 1552bdcd8170SKalle Valo 15531e8d13b0SVasanthakumar Thiagarajan /* 15541e8d13b0SVasanthakumar Thiagarajan * Don't bring up p2p on an interface which is not initialized 15551e8d13b0SVasanthakumar Thiagarajan * for p2p operation where fw does not have capability to switch 15561e8d13b0SVasanthakumar Thiagarajan * dynamically between non-p2p and p2p type interface. 15571e8d13b0SVasanthakumar Thiagarajan */ 15581e8d13b0SVasanthakumar Thiagarajan if (!test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX, 15591e8d13b0SVasanthakumar Thiagarajan vif->ar->fw_capabilities) && 15601e8d13b0SVasanthakumar Thiagarajan (type == NL80211_IFTYPE_P2P_CLIENT || 15611e8d13b0SVasanthakumar Thiagarajan type == NL80211_IFTYPE_P2P_GO)) { 15621e8d13b0SVasanthakumar Thiagarajan if (vif->ar->vif_max == 1) { 15631e8d13b0SVasanthakumar Thiagarajan if (vif->fw_vif_idx != 0) 15641e8d13b0SVasanthakumar Thiagarajan return -EINVAL; 15651e8d13b0SVasanthakumar Thiagarajan else 15661e8d13b0SVasanthakumar Thiagarajan goto set_iface_type; 15671e8d13b0SVasanthakumar Thiagarajan } 15681e8d13b0SVasanthakumar Thiagarajan 15691e8d13b0SVasanthakumar Thiagarajan for (i = vif->ar->max_norm_iface; i < vif->ar->vif_max; i++) { 15701e8d13b0SVasanthakumar Thiagarajan if (i == vif->fw_vif_idx) 15711e8d13b0SVasanthakumar Thiagarajan break; 15721e8d13b0SVasanthakumar Thiagarajan } 15731e8d13b0SVasanthakumar Thiagarajan 15741e8d13b0SVasanthakumar Thiagarajan if (i == vif->ar->vif_max) { 15751e8d13b0SVasanthakumar Thiagarajan ath6kl_err("Invalid interface to bring up P2P\n"); 15761e8d13b0SVasanthakumar Thiagarajan return -EINVAL; 15771e8d13b0SVasanthakumar Thiagarajan } 15781e8d13b0SVasanthakumar Thiagarajan } 15791e8d13b0SVasanthakumar Thiagarajan 1580c422d52dSThomas Pedersen /* need to clean up enhanced bmiss detection fw state */ 1581c422d52dSThomas Pedersen ath6kl_cfg80211_sta_bmiss_enhance(vif, false); 1582c422d52dSThomas Pedersen 15831e8d13b0SVasanthakumar Thiagarajan set_iface_type: 1584bdcd8170SKalle Valo switch (type) { 1585bdcd8170SKalle Valo case NL80211_IFTYPE_STATION: 15868aa659d2SMohammed Shafi Shajakhan case NL80211_IFTYPE_P2P_CLIENT: 1587f5938f24SVasanthakumar Thiagarajan vif->next_mode = INFRA_NETWORK; 1588bdcd8170SKalle Valo break; 1589bdcd8170SKalle Valo case NL80211_IFTYPE_ADHOC: 1590f5938f24SVasanthakumar Thiagarajan vif->next_mode = ADHOC_NETWORK; 1591bdcd8170SKalle Valo break; 15926e4604c8SJouni Malinen case NL80211_IFTYPE_AP: 15936b5e5d25SJouni Malinen case NL80211_IFTYPE_P2P_GO: 1594f5938f24SVasanthakumar Thiagarajan vif->next_mode = AP_NETWORK; 15956b5e5d25SJouni Malinen break; 1596bdcd8170SKalle Valo default: 1597bdcd8170SKalle Valo ath6kl_err("invalid interface type %u\n", type); 1598bdcd8170SKalle Valo return -EOPNOTSUPP; 1599bdcd8170SKalle Valo } 1600bdcd8170SKalle Valo 1601551959d8SVasanthakumar Thiagarajan vif->wdev.iftype = type; 1602bdcd8170SKalle Valo 1603bdcd8170SKalle Valo return 0; 1604bdcd8170SKalle Valo } 1605bdcd8170SKalle Valo 1606bdcd8170SKalle Valo static int ath6kl_cfg80211_join_ibss(struct wiphy *wiphy, 1607bdcd8170SKalle Valo struct net_device *dev, 1608bdcd8170SKalle Valo struct cfg80211_ibss_params *ibss_param) 1609bdcd8170SKalle Valo { 1610bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 161159c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1612bdcd8170SKalle Valo int status; 1613bdcd8170SKalle Valo 1614990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1615bdcd8170SKalle Valo return -EIO; 1616bdcd8170SKalle Valo 16173450334fSVasanthakumar Thiagarajan vif->ssid_len = ibss_param->ssid_len; 16183450334fSVasanthakumar Thiagarajan memcpy(vif->ssid, ibss_param->ssid, vif->ssid_len); 1619bdcd8170SKalle Valo 1620683b6d3bSJohannes Berg if (ibss_param->chandef.chan) 1621683b6d3bSJohannes Berg vif->ch_hint = ibss_param->chandef.chan->center_freq; 1622bdcd8170SKalle Valo 1623bdcd8170SKalle Valo if (ibss_param->channel_fixed) { 1624bdcd8170SKalle Valo /* 1625bdcd8170SKalle Valo * TODO: channel_fixed: The channel should be fixed, do not 1626bdcd8170SKalle Valo * search for IBSSs to join on other channels. Target 1627bdcd8170SKalle Valo * firmware does not support this feature, needs to be 1628bdcd8170SKalle Valo * updated. 1629bdcd8170SKalle Valo */ 1630bdcd8170SKalle Valo return -EOPNOTSUPP; 1631bdcd8170SKalle Valo } 1632bdcd8170SKalle Valo 16338c8b65e3SVasanthakumar Thiagarajan memset(vif->req_bssid, 0, sizeof(vif->req_bssid)); 1634bdcd8170SKalle Valo if (ibss_param->bssid && !is_broadcast_ether_addr(ibss_param->bssid)) 16358c8b65e3SVasanthakumar Thiagarajan memcpy(vif->req_bssid, ibss_param->bssid, 16368c8b65e3SVasanthakumar Thiagarajan sizeof(vif->req_bssid)); 1637bdcd8170SKalle Valo 1638240d2799SVasanthakumar Thiagarajan ath6kl_set_wpa_version(vif, 0); 1639bdcd8170SKalle Valo 1640240d2799SVasanthakumar Thiagarajan status = ath6kl_set_auth_type(vif, NL80211_AUTHTYPE_OPEN_SYSTEM); 1641bdcd8170SKalle Valo if (status) 1642bdcd8170SKalle Valo return status; 1643bdcd8170SKalle Valo 1644bdcd8170SKalle Valo if (ibss_param->privacy) { 1645240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, true); 1646240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, false); 1647bdcd8170SKalle Valo } else { 1648240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, 0, true); 1649240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, 0, false); 1650bdcd8170SKalle Valo } 1651bdcd8170SKalle Valo 1652f5938f24SVasanthakumar Thiagarajan vif->nw_type = vif->next_mode; 1653bdcd8170SKalle Valo 1654bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1655bdcd8170SKalle Valo "%s: connect called with authmode %d dot11 auth %d" 1656bdcd8170SKalle Valo " PW crypto %d PW crypto len %d GRP crypto %d" 1657bdcd8170SKalle Valo " GRP crypto len %d channel hint %u\n", 1658bdcd8170SKalle Valo __func__, 16593450334fSVasanthakumar Thiagarajan vif->auth_mode, vif->dot11_auth_mode, vif->prwise_crypto, 16603450334fSVasanthakumar Thiagarajan vif->prwise_crypto_len, vif->grp_crypto, 1661f74bac54SVasanthakumar Thiagarajan vif->grp_crypto_len, vif->ch_hint); 1662bdcd8170SKalle Valo 1663334234b5SVasanthakumar Thiagarajan status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type, 16643450334fSVasanthakumar Thiagarajan vif->dot11_auth_mode, vif->auth_mode, 16653450334fSVasanthakumar Thiagarajan vif->prwise_crypto, 16663450334fSVasanthakumar Thiagarajan vif->prwise_crypto_len, 16673450334fSVasanthakumar Thiagarajan vif->grp_crypto, vif->grp_crypto_len, 16683450334fSVasanthakumar Thiagarajan vif->ssid_len, vif->ssid, 1669f74bac54SVasanthakumar Thiagarajan vif->req_bssid, vif->ch_hint, 16703ca9d1fcSAarthi Thiruvengadam ar->connect_ctrl_flags, SUBTYPE_NONE); 167159c98449SVasanthakumar Thiagarajan set_bit(CONNECT_PEND, &vif->flags); 1672bdcd8170SKalle Valo 1673bdcd8170SKalle Valo return 0; 1674bdcd8170SKalle Valo } 1675bdcd8170SKalle Valo 1676bdcd8170SKalle Valo static int ath6kl_cfg80211_leave_ibss(struct wiphy *wiphy, 1677bdcd8170SKalle Valo struct net_device *dev) 1678bdcd8170SKalle Valo { 16793450334fSVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1680bdcd8170SKalle Valo 1681990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1682bdcd8170SKalle Valo return -EIO; 1683bdcd8170SKalle Valo 1684240d2799SVasanthakumar Thiagarajan ath6kl_disconnect(vif); 16853450334fSVasanthakumar Thiagarajan memset(vif->ssid, 0, sizeof(vif->ssid)); 16863450334fSVasanthakumar Thiagarajan vif->ssid_len = 0; 1687bdcd8170SKalle Valo 1688bdcd8170SKalle Valo return 0; 1689bdcd8170SKalle Valo } 1690bdcd8170SKalle Valo 1691bdcd8170SKalle Valo static const u32 cipher_suites[] = { 1692bdcd8170SKalle Valo WLAN_CIPHER_SUITE_WEP40, 1693bdcd8170SKalle Valo WLAN_CIPHER_SUITE_WEP104, 1694bdcd8170SKalle Valo WLAN_CIPHER_SUITE_TKIP, 1695bdcd8170SKalle Valo WLAN_CIPHER_SUITE_CCMP, 1696837cb97eSJouni Malinen CCKM_KRK_CIPHER_SUITE, 16975e07021eSDai Shuibing WLAN_CIPHER_SUITE_SMS4, 1698bdcd8170SKalle Valo }; 1699bdcd8170SKalle Valo 1700bdcd8170SKalle Valo static bool is_rate_legacy(s32 rate) 1701bdcd8170SKalle Valo { 1702bdcd8170SKalle Valo static const s32 legacy[] = { 1000, 2000, 5500, 11000, 1703bdcd8170SKalle Valo 6000, 9000, 12000, 18000, 24000, 1704bdcd8170SKalle Valo 36000, 48000, 54000 1705bdcd8170SKalle Valo }; 1706bdcd8170SKalle Valo u8 i; 1707bdcd8170SKalle Valo 1708bdcd8170SKalle Valo for (i = 0; i < ARRAY_SIZE(legacy); i++) 1709bdcd8170SKalle Valo if (rate == legacy[i]) 1710bdcd8170SKalle Valo return true; 1711bdcd8170SKalle Valo 1712bdcd8170SKalle Valo return false; 1713bdcd8170SKalle Valo } 1714bdcd8170SKalle Valo 1715bdcd8170SKalle Valo static bool is_rate_ht20(s32 rate, u8 *mcs, bool *sgi) 1716bdcd8170SKalle Valo { 1717bdcd8170SKalle Valo static const s32 ht20[] = { 6500, 13000, 19500, 26000, 39000, 1718bdcd8170SKalle Valo 52000, 58500, 65000, 72200 1719bdcd8170SKalle Valo }; 1720bdcd8170SKalle Valo u8 i; 1721bdcd8170SKalle Valo 1722bdcd8170SKalle Valo for (i = 0; i < ARRAY_SIZE(ht20); i++) { 1723bdcd8170SKalle Valo if (rate == ht20[i]) { 1724bdcd8170SKalle Valo if (i == ARRAY_SIZE(ht20) - 1) 1725bdcd8170SKalle Valo /* last rate uses sgi */ 1726bdcd8170SKalle Valo *sgi = true; 1727bdcd8170SKalle Valo else 1728bdcd8170SKalle Valo *sgi = false; 1729bdcd8170SKalle Valo 1730bdcd8170SKalle Valo *mcs = i; 1731bdcd8170SKalle Valo return true; 1732bdcd8170SKalle Valo } 1733bdcd8170SKalle Valo } 1734bdcd8170SKalle Valo return false; 1735bdcd8170SKalle Valo } 1736bdcd8170SKalle Valo 1737bdcd8170SKalle Valo static bool is_rate_ht40(s32 rate, u8 *mcs, bool *sgi) 1738bdcd8170SKalle Valo { 1739bdcd8170SKalle Valo static const s32 ht40[] = { 13500, 27000, 40500, 54000, 1740bdcd8170SKalle Valo 81000, 108000, 121500, 135000, 1741bdcd8170SKalle Valo 150000 1742bdcd8170SKalle Valo }; 1743bdcd8170SKalle Valo u8 i; 1744bdcd8170SKalle Valo 1745bdcd8170SKalle Valo for (i = 0; i < ARRAY_SIZE(ht40); i++) { 1746bdcd8170SKalle Valo if (rate == ht40[i]) { 1747bdcd8170SKalle Valo if (i == ARRAY_SIZE(ht40) - 1) 1748bdcd8170SKalle Valo /* last rate uses sgi */ 1749bdcd8170SKalle Valo *sgi = true; 1750bdcd8170SKalle Valo else 1751bdcd8170SKalle Valo *sgi = false; 1752bdcd8170SKalle Valo 1753bdcd8170SKalle Valo *mcs = i; 1754bdcd8170SKalle Valo return true; 1755bdcd8170SKalle Valo } 1756bdcd8170SKalle Valo } 1757bdcd8170SKalle Valo 1758bdcd8170SKalle Valo return false; 1759bdcd8170SKalle Valo } 1760bdcd8170SKalle Valo 1761bdcd8170SKalle Valo static int ath6kl_get_station(struct wiphy *wiphy, struct net_device *dev, 1762bdcd8170SKalle Valo u8 *mac, struct station_info *sinfo) 1763bdcd8170SKalle Valo { 1764bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 176559c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1766bdcd8170SKalle Valo long left; 1767bdcd8170SKalle Valo bool sgi; 1768bdcd8170SKalle Valo s32 rate; 1769bdcd8170SKalle Valo int ret; 1770bdcd8170SKalle Valo u8 mcs; 1771bdcd8170SKalle Valo 17728c8b65e3SVasanthakumar Thiagarajan if (memcmp(mac, vif->bssid, ETH_ALEN) != 0) 1773bdcd8170SKalle Valo return -ENOENT; 1774bdcd8170SKalle Valo 1775bdcd8170SKalle Valo if (down_interruptible(&ar->sem)) 1776bdcd8170SKalle Valo return -EBUSY; 1777bdcd8170SKalle Valo 1778b95907a7SVasanthakumar Thiagarajan set_bit(STATS_UPDATE_PEND, &vif->flags); 1779bdcd8170SKalle Valo 1780334234b5SVasanthakumar Thiagarajan ret = ath6kl_wmi_get_stats_cmd(ar->wmi, vif->fw_vif_idx); 1781bdcd8170SKalle Valo 1782bdcd8170SKalle Valo if (ret != 0) { 1783bdcd8170SKalle Valo up(&ar->sem); 1784bdcd8170SKalle Valo return -EIO; 1785bdcd8170SKalle Valo } 1786bdcd8170SKalle Valo 1787bdcd8170SKalle Valo left = wait_event_interruptible_timeout(ar->event_wq, 1788bdcd8170SKalle Valo !test_bit(STATS_UPDATE_PEND, 1789b95907a7SVasanthakumar Thiagarajan &vif->flags), 1790bdcd8170SKalle Valo WMI_TIMEOUT); 1791bdcd8170SKalle Valo 1792bdcd8170SKalle Valo up(&ar->sem); 1793bdcd8170SKalle Valo 1794bdcd8170SKalle Valo if (left == 0) 1795bdcd8170SKalle Valo return -ETIMEDOUT; 1796bdcd8170SKalle Valo else if (left < 0) 1797bdcd8170SKalle Valo return left; 1798bdcd8170SKalle Valo 1799b95907a7SVasanthakumar Thiagarajan if (vif->target_stats.rx_byte) { 1800b95907a7SVasanthakumar Thiagarajan sinfo->rx_bytes = vif->target_stats.rx_byte; 18018457703fSVladimir Kondratiev sinfo->filled |= STATION_INFO_RX_BYTES64; 1802b95907a7SVasanthakumar Thiagarajan sinfo->rx_packets = vif->target_stats.rx_pkt; 1803bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_RX_PACKETS; 1804bdcd8170SKalle Valo } 1805bdcd8170SKalle Valo 1806b95907a7SVasanthakumar Thiagarajan if (vif->target_stats.tx_byte) { 1807b95907a7SVasanthakumar Thiagarajan sinfo->tx_bytes = vif->target_stats.tx_byte; 18088457703fSVladimir Kondratiev sinfo->filled |= STATION_INFO_TX_BYTES64; 1809b95907a7SVasanthakumar Thiagarajan sinfo->tx_packets = vif->target_stats.tx_pkt; 1810bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_TX_PACKETS; 1811bdcd8170SKalle Valo } 1812bdcd8170SKalle Valo 1813b95907a7SVasanthakumar Thiagarajan sinfo->signal = vif->target_stats.cs_rssi; 1814bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_SIGNAL; 1815bdcd8170SKalle Valo 1816b95907a7SVasanthakumar Thiagarajan rate = vif->target_stats.tx_ucast_rate; 1817bdcd8170SKalle Valo 1818bdcd8170SKalle Valo if (is_rate_legacy(rate)) { 1819bdcd8170SKalle Valo sinfo->txrate.legacy = rate / 100; 1820bdcd8170SKalle Valo } else if (is_rate_ht20(rate, &mcs, &sgi)) { 1821bdcd8170SKalle Valo if (sgi) { 1822bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; 1823bdcd8170SKalle Valo sinfo->txrate.mcs = mcs - 1; 1824bdcd8170SKalle Valo } else { 1825bdcd8170SKalle Valo sinfo->txrate.mcs = mcs; 1826bdcd8170SKalle Valo } 1827bdcd8170SKalle Valo 1828bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; 1829bdcd8170SKalle Valo } else if (is_rate_ht40(rate, &mcs, &sgi)) { 1830bdcd8170SKalle Valo if (sgi) { 1831bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; 1832bdcd8170SKalle Valo sinfo->txrate.mcs = mcs - 1; 1833bdcd8170SKalle Valo } else { 1834bdcd8170SKalle Valo sinfo->txrate.mcs = mcs; 1835bdcd8170SKalle Valo } 1836bdcd8170SKalle Valo 1837bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; 1838bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; 1839bdcd8170SKalle Valo } else { 18409a730834SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 18419a730834SKalle Valo "invalid rate from stats: %d\n", rate); 18429a730834SKalle Valo ath6kl_debug_war(ar, ATH6KL_WAR_INVALID_RATE); 1843bdcd8170SKalle Valo return 0; 1844bdcd8170SKalle Valo } 1845bdcd8170SKalle Valo 1846bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_TX_BITRATE; 1847bdcd8170SKalle Valo 184859c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags) && 184959c98449SVasanthakumar Thiagarajan test_bit(DTIM_PERIOD_AVAIL, &vif->flags) && 1850f5938f24SVasanthakumar Thiagarajan vif->nw_type == INFRA_NETWORK) { 185132c10874SJouni Malinen sinfo->filled |= STATION_INFO_BSS_PARAM; 185232c10874SJouni Malinen sinfo->bss_param.flags = 0; 1853cf5333d7SVasanthakumar Thiagarajan sinfo->bss_param.dtim_period = vif->assoc_bss_dtim_period; 1854cf5333d7SVasanthakumar Thiagarajan sinfo->bss_param.beacon_interval = vif->assoc_bss_beacon_int; 185532c10874SJouni Malinen } 185632c10874SJouni Malinen 1857bdcd8170SKalle Valo return 0; 1858bdcd8170SKalle Valo } 1859bdcd8170SKalle Valo 1860bdcd8170SKalle Valo static int ath6kl_set_pmksa(struct wiphy *wiphy, struct net_device *netdev, 1861bdcd8170SKalle Valo struct cfg80211_pmksa *pmksa) 1862bdcd8170SKalle Valo { 1863bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(netdev); 1864334234b5SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(netdev); 1865334234b5SVasanthakumar Thiagarajan 1866334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid, 1867bdcd8170SKalle Valo pmksa->pmkid, true); 1868bdcd8170SKalle Valo } 1869bdcd8170SKalle Valo 1870bdcd8170SKalle Valo static int ath6kl_del_pmksa(struct wiphy *wiphy, struct net_device *netdev, 1871bdcd8170SKalle Valo struct cfg80211_pmksa *pmksa) 1872bdcd8170SKalle Valo { 1873bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(netdev); 1874334234b5SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(netdev); 1875334234b5SVasanthakumar Thiagarajan 1876334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid, 1877bdcd8170SKalle Valo pmksa->pmkid, false); 1878bdcd8170SKalle Valo } 1879bdcd8170SKalle Valo 1880bdcd8170SKalle Valo static int ath6kl_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev) 1881bdcd8170SKalle Valo { 1882bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(netdev); 188359c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(netdev); 188459c98449SVasanthakumar Thiagarajan 188559c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags)) 1886334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, 1887334234b5SVasanthakumar Thiagarajan vif->bssid, NULL, false); 1888bdcd8170SKalle Valo return 0; 1889bdcd8170SKalle Valo } 1890bdcd8170SKalle Valo 1891d91e8eeeSRaja Mani static int ath6kl_wow_usr(struct ath6kl *ar, struct ath6kl_vif *vif, 1892d91e8eeeSRaja Mani struct cfg80211_wowlan *wow, u32 *filter) 18936cb3c714SRaja Mani { 1894d91e8eeeSRaja Mani int ret, pos; 18952c07cf44SThomas Pedersen u8 mask[WOW_PATTERN_SIZE]; 18966cb3c714SRaja Mani u16 i; 18976cb3c714SRaja Mani 1898d91e8eeeSRaja Mani /* Configure the patterns that we received from the user. */ 18996cb3c714SRaja Mani for (i = 0; i < wow->n_patterns; i++) { 19006cb3c714SRaja Mani 19016cb3c714SRaja Mani /* 19026cb3c714SRaja Mani * Convert given nl80211 specific mask value to equivalent 19036cb3c714SRaja Mani * driver specific mask value and send it to the chip along 19046cb3c714SRaja Mani * with patterns. For example, If the mask value defined in 19056cb3c714SRaja Mani * struct cfg80211_wowlan is 0xA (equivalent binary is 1010), 19066cb3c714SRaja Mani * then equivalent driver specific mask value is 19076cb3c714SRaja Mani * "0xFF 0x00 0xFF 0x00". 19086cb3c714SRaja Mani */ 19096cb3c714SRaja Mani memset(&mask, 0, sizeof(mask)); 19106cb3c714SRaja Mani for (pos = 0; pos < wow->patterns[i].pattern_len; pos++) { 19116cb3c714SRaja Mani if (wow->patterns[i].mask[pos / 8] & (0x1 << (pos % 8))) 19126cb3c714SRaja Mani mask[pos] = 0xFF; 19136cb3c714SRaja Mani } 19146cb3c714SRaja Mani /* 19156cb3c714SRaja Mani * Note: Pattern's offset is not passed as part of wowlan 19166cb3c714SRaja Mani * parameter from CFG layer. So it's always passed as ZERO 19176cb3c714SRaja Mani * to the firmware. It means, given WOW patterns are always 19186cb3c714SRaja Mani * matched from the first byte of received pkt in the firmware. 19196cb3c714SRaja Mani */ 19206cb3c714SRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 19216cb3c714SRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 19226cb3c714SRaja Mani wow->patterns[i].pattern_len, 19236cb3c714SRaja Mani 0 /* pattern offset */, 19246cb3c714SRaja Mani wow->patterns[i].pattern, mask); 19256cb3c714SRaja Mani if (ret) 19266cb3c714SRaja Mani return ret; 19276cb3c714SRaja Mani } 19286cb3c714SRaja Mani 1929d91e8eeeSRaja Mani if (wow->disconnect) 1930d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_NWK_DISASSOC; 1931d91e8eeeSRaja Mani 1932d91e8eeeSRaja Mani if (wow->magic_pkt) 1933d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_MAGIC_PACKET; 1934d91e8eeeSRaja Mani 1935d91e8eeeSRaja Mani if (wow->gtk_rekey_failure) 1936d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_GTK_ERROR; 1937d91e8eeeSRaja Mani 1938d91e8eeeSRaja Mani if (wow->eap_identity_req) 1939d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_EAP_REQ; 1940d91e8eeeSRaja Mani 1941d91e8eeeSRaja Mani if (wow->four_way_handshake) 1942d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_8021X_4WAYHS; 1943d91e8eeeSRaja Mani 1944d91e8eeeSRaja Mani return 0; 1945d91e8eeeSRaja Mani } 1946d91e8eeeSRaja Mani 1947d91e8eeeSRaja Mani static int ath6kl_wow_ap(struct ath6kl *ar, struct ath6kl_vif *vif) 1948d91e8eeeSRaja Mani { 1949d91e8eeeSRaja Mani static const u8 unicst_pattern[] = { 0x00, 0x00, 0x00, 1950d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1951d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1952d91e8eeeSRaja Mani 0x00, 0x08 }; 1953d91e8eeeSRaja Mani static const u8 unicst_mask[] = { 0x01, 0x00, 0x00, 1954d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1955d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1956d91e8eeeSRaja Mani 0x00, 0x7f }; 1957d91e8eeeSRaja Mani u8 unicst_offset = 0; 1958d91e8eeeSRaja Mani static const u8 arp_pattern[] = { 0x08, 0x06 }; 1959d91e8eeeSRaja Mani static const u8 arp_mask[] = { 0xff, 0xff }; 1960d91e8eeeSRaja Mani u8 arp_offset = 20; 1961d91e8eeeSRaja Mani static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 }; 1962d91e8eeeSRaja Mani static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 }; 1963d91e8eeeSRaja Mani u8 discvr_offset = 38; 1964d91e8eeeSRaja Mani static const u8 dhcp_pattern[] = { 0xff, 0xff, 0xff, 0xff, 1965d91e8eeeSRaja Mani 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1966d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 1967d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1968d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1969d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x43 /* port 67 */ }; 1970d91e8eeeSRaja Mani static const u8 dhcp_mask[] = { 0xff, 0xff, 0xff, 0xff, 1971d91e8eeeSRaja Mani 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1972d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 1973d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1974d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1975d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0xff, 0xff /* port 67 */ }; 1976d91e8eeeSRaja Mani u8 dhcp_offset = 0; 1977d91e8eeeSRaja Mani int ret; 1978d91e8eeeSRaja Mani 1979d91e8eeeSRaja Mani /* Setup unicast IP, EAPOL-like and ARP pkt pattern */ 1980d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 1981d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 1982d91e8eeeSRaja Mani sizeof(unicst_pattern), unicst_offset, 1983d91e8eeeSRaja Mani unicst_pattern, unicst_mask); 1984d91e8eeeSRaja Mani if (ret) { 1985d91e8eeeSRaja Mani ath6kl_err("failed to add WOW unicast IP pattern\n"); 1986d91e8eeeSRaja Mani return ret; 1987d91e8eeeSRaja Mani } 1988d91e8eeeSRaja Mani 1989d91e8eeeSRaja Mani /* Setup all ARP pkt pattern */ 1990d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 1991d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 1992d91e8eeeSRaja Mani sizeof(arp_pattern), arp_offset, 1993d91e8eeeSRaja Mani arp_pattern, arp_mask); 1994d91e8eeeSRaja Mani if (ret) { 1995d91e8eeeSRaja Mani ath6kl_err("failed to add WOW ARP pattern\n"); 1996d91e8eeeSRaja Mani return ret; 1997d91e8eeeSRaja Mani } 1998d91e8eeeSRaja Mani 1999d91e8eeeSRaja Mani /* 2000d91e8eeeSRaja Mani * Setup multicast pattern for mDNS 224.0.0.251, 2001d91e8eeeSRaja Mani * SSDP 239.255.255.250 and LLMNR 224.0.0.252 2002d91e8eeeSRaja Mani */ 2003d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 2004d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 2005d91e8eeeSRaja Mani sizeof(discvr_pattern), discvr_offset, 2006d91e8eeeSRaja Mani discvr_pattern, discvr_mask); 2007d91e8eeeSRaja Mani if (ret) { 2008d91e8eeeSRaja Mani ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n"); 2009d91e8eeeSRaja Mani return ret; 2010d91e8eeeSRaja Mani } 2011d91e8eeeSRaja Mani 2012d91e8eeeSRaja Mani /* Setup all DHCP broadcast pkt pattern */ 2013d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 2014d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 2015d91e8eeeSRaja Mani sizeof(dhcp_pattern), dhcp_offset, 2016d91e8eeeSRaja Mani dhcp_pattern, dhcp_mask); 2017d91e8eeeSRaja Mani if (ret) { 2018d91e8eeeSRaja Mani ath6kl_err("failed to add WOW DHCP broadcast pattern\n"); 2019d91e8eeeSRaja Mani return ret; 2020d91e8eeeSRaja Mani } 2021d91e8eeeSRaja Mani 2022d91e8eeeSRaja Mani return 0; 2023d91e8eeeSRaja Mani } 2024d91e8eeeSRaja Mani 2025d91e8eeeSRaja Mani static int ath6kl_wow_sta(struct ath6kl *ar, struct ath6kl_vif *vif) 2026d91e8eeeSRaja Mani { 2027d91e8eeeSRaja Mani struct net_device *ndev = vif->ndev; 2028d91e8eeeSRaja Mani static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 }; 2029d91e8eeeSRaja Mani static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 }; 2030d91e8eeeSRaja Mani u8 discvr_offset = 38; 2031d91e8eeeSRaja Mani u8 mac_mask[ETH_ALEN]; 2032d91e8eeeSRaja Mani int ret; 2033d91e8eeeSRaja Mani 2034d91e8eeeSRaja Mani /* Setup unicast pkt pattern */ 2035d91e8eeeSRaja Mani memset(mac_mask, 0xff, ETH_ALEN); 2036d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 2037d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 2038d91e8eeeSRaja Mani ETH_ALEN, 0, ndev->dev_addr, 2039d91e8eeeSRaja Mani mac_mask); 2040d91e8eeeSRaja Mani if (ret) { 2041d91e8eeeSRaja Mani ath6kl_err("failed to add WOW unicast pattern\n"); 2042d91e8eeeSRaja Mani return ret; 2043d91e8eeeSRaja Mani } 2044d91e8eeeSRaja Mani 2045d91e8eeeSRaja Mani /* 2046d91e8eeeSRaja Mani * Setup multicast pattern for mDNS 224.0.0.251, 2047d91e8eeeSRaja Mani * SSDP 239.255.255.250 and LLMNR 224.0.0.252 2048d91e8eeeSRaja Mani */ 2049d91e8eeeSRaja Mani if ((ndev->flags & IFF_ALLMULTI) || 2050d91e8eeeSRaja Mani (ndev->flags & IFF_MULTICAST && netdev_mc_count(ndev) > 0)) { 2051d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 2052d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 2053d91e8eeeSRaja Mani sizeof(discvr_pattern), discvr_offset, 2054d91e8eeeSRaja Mani discvr_pattern, discvr_mask); 2055d91e8eeeSRaja Mani if (ret) { 2056cdeb8602SKalle Valo ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n"); 2057d91e8eeeSRaja Mani return ret; 2058d91e8eeeSRaja Mani } 2059d91e8eeeSRaja Mani } 2060d91e8eeeSRaja Mani 2061d91e8eeeSRaja Mani return 0; 2062d91e8eeeSRaja Mani } 2063d91e8eeeSRaja Mani 2064055bde49SRaja Mani static int is_hsleep_mode_procsed(struct ath6kl_vif *vif) 2065055bde49SRaja Mani { 2066055bde49SRaja Mani return test_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags); 2067055bde49SRaja Mani } 2068055bde49SRaja Mani 2069055bde49SRaja Mani static bool is_ctrl_ep_empty(struct ath6kl *ar) 2070055bde49SRaja Mani { 2071055bde49SRaja Mani return !ar->tx_pending[ar->ctrl_ep]; 2072055bde49SRaja Mani } 2073055bde49SRaja Mani 2074055bde49SRaja Mani static int ath6kl_cfg80211_host_sleep(struct ath6kl *ar, struct ath6kl_vif *vif) 2075055bde49SRaja Mani { 2076055bde49SRaja Mani int ret, left; 2077055bde49SRaja Mani 2078055bde49SRaja Mani clear_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags); 2079055bde49SRaja Mani 2080055bde49SRaja Mani ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, 2081055bde49SRaja Mani ATH6KL_HOST_MODE_ASLEEP); 2082055bde49SRaja Mani if (ret) 2083055bde49SRaja Mani return ret; 2084055bde49SRaja Mani 2085055bde49SRaja Mani left = wait_event_interruptible_timeout(ar->event_wq, 2086055bde49SRaja Mani is_hsleep_mode_procsed(vif), 2087055bde49SRaja Mani WMI_TIMEOUT); 2088055bde49SRaja Mani if (left == 0) { 2089055bde49SRaja Mani ath6kl_warn("timeout, didn't get host sleep cmd processed event\n"); 2090055bde49SRaja Mani ret = -ETIMEDOUT; 2091055bde49SRaja Mani } else if (left < 0) { 2092055bde49SRaja Mani ath6kl_warn("error while waiting for host sleep cmd processed event %d\n", 2093055bde49SRaja Mani left); 2094055bde49SRaja Mani ret = left; 2095055bde49SRaja Mani } 2096055bde49SRaja Mani 2097055bde49SRaja Mani if (ar->tx_pending[ar->ctrl_ep]) { 2098055bde49SRaja Mani left = wait_event_interruptible_timeout(ar->event_wq, 2099055bde49SRaja Mani is_ctrl_ep_empty(ar), 2100055bde49SRaja Mani WMI_TIMEOUT); 2101055bde49SRaja Mani if (left == 0) { 2102055bde49SRaja Mani ath6kl_warn("clear wmi ctrl data timeout\n"); 2103055bde49SRaja Mani ret = -ETIMEDOUT; 2104055bde49SRaja Mani } else if (left < 0) { 2105055bde49SRaja Mani ath6kl_warn("clear wmi ctrl data failed: %d\n", left); 2106055bde49SRaja Mani ret = left; 2107055bde49SRaja Mani } 2108055bde49SRaja Mani } 2109055bde49SRaja Mani 2110055bde49SRaja Mani return ret; 2111055bde49SRaja Mani } 2112055bde49SRaja Mani 2113fd4377b6SThomas Pedersen static int ath6kl_wow_suspend_vif(struct ath6kl_vif *vif, 2114fd4377b6SThomas Pedersen struct cfg80211_wowlan *wow, u32 *filter) 2115d91e8eeeSRaja Mani { 2116fd4377b6SThomas Pedersen struct ath6kl *ar = vif->ar; 2117d91e8eeeSRaja Mani struct in_device *in_dev; 2118d91e8eeeSRaja Mani struct in_ifaddr *ifa; 2119055bde49SRaja Mani int ret; 2120ce0dc0cfSRaja Mani u16 i, bmiss_time; 2121d91e8eeeSRaja Mani __be32 ips[MAX_IP_ADDRS]; 2122fd4377b6SThomas Pedersen u8 index = 0; 2123d91e8eeeSRaja Mani 21246821d4f0SNaveen Gangadharan if (!test_bit(NETDEV_MCAST_ALL_ON, &vif->flags) && 21256821d4f0SNaveen Gangadharan test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER, 21266821d4f0SNaveen Gangadharan ar->fw_capabilities)) { 21276251d801SNaveen Gangadharan ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi, 21286251d801SNaveen Gangadharan vif->fw_vif_idx, false); 21296251d801SNaveen Gangadharan if (ret) 21306251d801SNaveen Gangadharan return ret; 21316251d801SNaveen Gangadharan } 21326251d801SNaveen Gangadharan 2133d91e8eeeSRaja Mani /* Clear existing WOW patterns */ 2134d91e8eeeSRaja Mani for (i = 0; i < WOW_MAX_FILTERS_PER_LIST; i++) 2135d91e8eeeSRaja Mani ath6kl_wmi_del_wow_pattern_cmd(ar->wmi, vif->fw_vif_idx, 2136d91e8eeeSRaja Mani WOW_LIST_ID, i); 2137d91e8eeeSRaja Mani 2138d91e8eeeSRaja Mani /* 2139d91e8eeeSRaja Mani * Skip the default WOW pattern configuration 2140d91e8eeeSRaja Mani * if the driver receives any WOW patterns from 2141d91e8eeeSRaja Mani * the user. 2142d91e8eeeSRaja Mani */ 2143d91e8eeeSRaja Mani if (wow) 2144fd4377b6SThomas Pedersen ret = ath6kl_wow_usr(ar, vif, wow, filter); 2145d91e8eeeSRaja Mani else if (vif->nw_type == AP_NETWORK) 2146d91e8eeeSRaja Mani ret = ath6kl_wow_ap(ar, vif); 2147d91e8eeeSRaja Mani else 2148d91e8eeeSRaja Mani ret = ath6kl_wow_sta(ar, vif); 2149d91e8eeeSRaja Mani 2150d91e8eeeSRaja Mani if (ret) 2151d91e8eeeSRaja Mani return ret; 2152d91e8eeeSRaja Mani 2153390a8c8fSRaja Mani netif_stop_queue(vif->ndev); 2154390a8c8fSRaja Mani 2155ce0dc0cfSRaja Mani if (vif->nw_type != AP_NETWORK) { 2156ce0dc0cfSRaja Mani ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx, 2157ce0dc0cfSRaja Mani ATH6KL_MAX_WOW_LISTEN_INTL, 2158ce0dc0cfSRaja Mani 0); 2159ce0dc0cfSRaja Mani if (ret) 2160ce0dc0cfSRaja Mani return ret; 2161ce0dc0cfSRaja Mani 2162ce0dc0cfSRaja Mani /* Set listen interval x 15 times as bmiss time */ 2163ce0dc0cfSRaja Mani bmiss_time = ATH6KL_MAX_WOW_LISTEN_INTL * 15; 2164ce0dc0cfSRaja Mani if (bmiss_time > ATH6KL_MAX_BMISS_TIME) 2165ce0dc0cfSRaja Mani bmiss_time = ATH6KL_MAX_BMISS_TIME; 2166ce0dc0cfSRaja Mani 2167ce0dc0cfSRaja Mani ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx, 2168ce0dc0cfSRaja Mani bmiss_time, 0); 2169ce0dc0cfSRaja Mani if (ret) 2170ce0dc0cfSRaja Mani return ret; 2171ce0dc0cfSRaja Mani 2172ce0dc0cfSRaja Mani ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 2173ce0dc0cfSRaja Mani 0xFFFF, 0, 0xFFFF, 0, 0, 0, 2174ce0dc0cfSRaja Mani 0, 0, 0, 0); 2175ce0dc0cfSRaja Mani if (ret) 2176ce0dc0cfSRaja Mani return ret; 2177ce0dc0cfSRaja Mani } 2178ce0dc0cfSRaja Mani 2179c08631c6SRaja Mani /* Setup own IP addr for ARP agent. */ 2180c08631c6SRaja Mani in_dev = __in_dev_get_rtnl(vif->ndev); 2181c08631c6SRaja Mani if (!in_dev) 2182fd4377b6SThomas Pedersen return 0; 2183c08631c6SRaja Mani 2184c08631c6SRaja Mani ifa = in_dev->ifa_list; 2185c08631c6SRaja Mani memset(&ips, 0, sizeof(ips)); 2186c08631c6SRaja Mani 2187c08631c6SRaja Mani /* Configure IP addr only if IP address count < MAX_IP_ADDRS */ 2188c08631c6SRaja Mani while (index < MAX_IP_ADDRS && ifa) { 2189c08631c6SRaja Mani ips[index] = ifa->ifa_local; 2190c08631c6SRaja Mani ifa = ifa->ifa_next; 2191c08631c6SRaja Mani index++; 2192c08631c6SRaja Mani } 2193c08631c6SRaja Mani 2194c08631c6SRaja Mani if (ifa) { 2195c08631c6SRaja Mani ath6kl_err("total IP addr count is exceeding fw limit\n"); 2196c08631c6SRaja Mani return -EINVAL; 2197c08631c6SRaja Mani } 2198c08631c6SRaja Mani 2199c08631c6SRaja Mani ret = ath6kl_wmi_set_ip_cmd(ar->wmi, vif->fw_vif_idx, ips[0], ips[1]); 2200c08631c6SRaja Mani if (ret) { 2201c08631c6SRaja Mani ath6kl_err("fail to setup ip for arp agent\n"); 2202c08631c6SRaja Mani return ret; 2203c08631c6SRaja Mani } 2204c08631c6SRaja Mani 2205fd4377b6SThomas Pedersen return ret; 2206fd4377b6SThomas Pedersen } 2207fd4377b6SThomas Pedersen 2208fd4377b6SThomas Pedersen static int ath6kl_wow_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow) 2209fd4377b6SThomas Pedersen { 2210fd4377b6SThomas Pedersen struct ath6kl_vif *first_vif, *vif; 2211fd4377b6SThomas Pedersen int ret = 0; 2212fd4377b6SThomas Pedersen u32 filter = 0; 2213fd4377b6SThomas Pedersen bool connected = false; 2214fd4377b6SThomas Pedersen 2215fd4377b6SThomas Pedersen /* enter / leave wow suspend on first vif always */ 2216fd4377b6SThomas Pedersen first_vif = ath6kl_vif_first(ar); 2217fd4377b6SThomas Pedersen if (WARN_ON(unlikely(!first_vif)) || 2218fd4377b6SThomas Pedersen !ath6kl_cfg80211_ready(first_vif)) 2219fd4377b6SThomas Pedersen return -EIO; 2220fd4377b6SThomas Pedersen 2221fd4377b6SThomas Pedersen if (wow && (wow->n_patterns > WOW_MAX_FILTERS_PER_LIST)) 2222fd4377b6SThomas Pedersen return -EINVAL; 2223fd4377b6SThomas Pedersen 2224fd4377b6SThomas Pedersen /* install filters for each connected vif */ 2225fd4377b6SThomas Pedersen spin_lock_bh(&ar->list_lock); 2226fd4377b6SThomas Pedersen list_for_each_entry(vif, &ar->vif_list, list) { 2227fd4377b6SThomas Pedersen if (!test_bit(CONNECTED, &vif->flags) || 2228fd4377b6SThomas Pedersen !ath6kl_cfg80211_ready(vif)) 2229fd4377b6SThomas Pedersen continue; 2230fd4377b6SThomas Pedersen connected = true; 2231fd4377b6SThomas Pedersen 2232fd4377b6SThomas Pedersen ret = ath6kl_wow_suspend_vif(vif, wow, &filter); 2233fd4377b6SThomas Pedersen if (ret) 2234fd4377b6SThomas Pedersen break; 2235fd4377b6SThomas Pedersen } 2236fd4377b6SThomas Pedersen spin_unlock_bh(&ar->list_lock); 2237fd4377b6SThomas Pedersen 2238fd4377b6SThomas Pedersen if (!connected) 2239fd4377b6SThomas Pedersen return -ENOTCONN; 2240fd4377b6SThomas Pedersen else if (ret) 2241fd4377b6SThomas Pedersen return ret; 2242fd4377b6SThomas Pedersen 2243fd4377b6SThomas Pedersen ar->state = ATH6KL_STATE_SUSPENDING; 2244fd4377b6SThomas Pedersen 2245fd4377b6SThomas Pedersen ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, first_vif->fw_vif_idx, 22466cb3c714SRaja Mani ATH6KL_WOW_MODE_ENABLE, 22476cb3c714SRaja Mani filter, 22486cb3c714SRaja Mani WOW_HOST_REQ_DELAY); 22496cb3c714SRaja Mani if (ret) 22506cb3c714SRaja Mani return ret; 22516cb3c714SRaja Mani 2252fd4377b6SThomas Pedersen return ath6kl_cfg80211_host_sleep(ar, first_vif); 22536cb3c714SRaja Mani } 22546cb3c714SRaja Mani 2255fd4377b6SThomas Pedersen static int ath6kl_wow_resume_vif(struct ath6kl_vif *vif) 22566cb3c714SRaja Mani { 2257fd4377b6SThomas Pedersen struct ath6kl *ar = vif->ar; 22586cb3c714SRaja Mani int ret; 22596cb3c714SRaja Mani 2260ce0dc0cfSRaja Mani if (vif->nw_type != AP_NETWORK) { 2261ce0dc0cfSRaja Mani ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 2262ce0dc0cfSRaja Mani 0, 0, 0, 0, 0, 0, 3, 0, 0, 0); 2263ce0dc0cfSRaja Mani if (ret) 2264ce0dc0cfSRaja Mani return ret; 2265ce0dc0cfSRaja Mani 2266ce0dc0cfSRaja Mani ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx, 2267ce0dc0cfSRaja Mani vif->listen_intvl_t, 0); 2268ce0dc0cfSRaja Mani if (ret) 2269ce0dc0cfSRaja Mani return ret; 2270ce0dc0cfSRaja Mani 2271ce0dc0cfSRaja Mani ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx, 2272ce0dc0cfSRaja Mani vif->bmiss_time_t, 0); 2273ce0dc0cfSRaja Mani if (ret) 2274ce0dc0cfSRaja Mani return ret; 2275ce0dc0cfSRaja Mani } 2276ce0dc0cfSRaja Mani 22776821d4f0SNaveen Gangadharan if (!test_bit(NETDEV_MCAST_ALL_OFF, &vif->flags) && 22786821d4f0SNaveen Gangadharan test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER, 22796821d4f0SNaveen Gangadharan ar->fw_capabilities)) { 22806251d801SNaveen Gangadharan ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi, 22816251d801SNaveen Gangadharan vif->fw_vif_idx, true); 22826251d801SNaveen Gangadharan if (ret) 22836251d801SNaveen Gangadharan return ret; 22846251d801SNaveen Gangadharan } 22856251d801SNaveen Gangadharan 2286390a8c8fSRaja Mani netif_wake_queue(vif->ndev); 2287390a8c8fSRaja Mani 2288390a8c8fSRaja Mani return 0; 2289390a8c8fSRaja Mani } 2290390a8c8fSRaja Mani 2291fd4377b6SThomas Pedersen static int ath6kl_wow_resume(struct ath6kl *ar) 2292fd4377b6SThomas Pedersen { 2293fd4377b6SThomas Pedersen struct ath6kl_vif *vif; 2294fd4377b6SThomas Pedersen int ret; 2295fd4377b6SThomas Pedersen 2296fd4377b6SThomas Pedersen vif = ath6kl_vif_first(ar); 2297fd4377b6SThomas Pedersen if (WARN_ON(unlikely(!vif)) || 2298fd4377b6SThomas Pedersen !ath6kl_cfg80211_ready(vif)) 2299fd4377b6SThomas Pedersen return -EIO; 2300fd4377b6SThomas Pedersen 2301fd4377b6SThomas Pedersen ar->state = ATH6KL_STATE_RESUMING; 2302fd4377b6SThomas Pedersen 2303fd4377b6SThomas Pedersen ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, 2304fd4377b6SThomas Pedersen ATH6KL_HOST_MODE_AWAKE); 2305fd4377b6SThomas Pedersen if (ret) { 2306fd4377b6SThomas Pedersen ath6kl_warn("Failed to configure host sleep mode for wow resume: %d\n", 2307fd4377b6SThomas Pedersen ret); 2308fd4377b6SThomas Pedersen goto cleanup; 2309fd4377b6SThomas Pedersen } 2310fd4377b6SThomas Pedersen 2311fd4377b6SThomas Pedersen spin_lock_bh(&ar->list_lock); 2312fd4377b6SThomas Pedersen list_for_each_entry(vif, &ar->vif_list, list) { 2313fd4377b6SThomas Pedersen if (!test_bit(CONNECTED, &vif->flags) || 2314fd4377b6SThomas Pedersen !ath6kl_cfg80211_ready(vif)) 2315fd4377b6SThomas Pedersen continue; 2316fd4377b6SThomas Pedersen ret = ath6kl_wow_resume_vif(vif); 2317fd4377b6SThomas Pedersen if (ret) 2318fd4377b6SThomas Pedersen break; 2319fd4377b6SThomas Pedersen } 2320fd4377b6SThomas Pedersen spin_unlock_bh(&ar->list_lock); 2321fd4377b6SThomas Pedersen 2322fd4377b6SThomas Pedersen if (ret) 2323fd4377b6SThomas Pedersen goto cleanup; 2324fd4377b6SThomas Pedersen 2325fd4377b6SThomas Pedersen ar->state = ATH6KL_STATE_ON; 2326fd4377b6SThomas Pedersen return 0; 2327fd4377b6SThomas Pedersen 2328fd4377b6SThomas Pedersen cleanup: 2329fd4377b6SThomas Pedersen ar->state = ATH6KL_STATE_WOW; 2330fd4377b6SThomas Pedersen return ret; 2331fd4377b6SThomas Pedersen } 2332fd4377b6SThomas Pedersen 233340abc2deSRaja Mani static int ath6kl_cfg80211_deepsleep_suspend(struct ath6kl *ar) 233440abc2deSRaja Mani { 233540abc2deSRaja Mani struct ath6kl_vif *vif; 233640abc2deSRaja Mani int ret; 233740abc2deSRaja Mani 233840abc2deSRaja Mani vif = ath6kl_vif_first(ar); 233940abc2deSRaja Mani if (!vif) 234040abc2deSRaja Mani return -EIO; 234140abc2deSRaja Mani 234248f27587SMing Jiang if (!test_bit(WMI_READY, &ar->flag)) { 234348f27587SMing Jiang ath6kl_err("deepsleep failed as wmi is not ready\n"); 234440abc2deSRaja Mani return -EIO; 234548f27587SMing Jiang } 234640abc2deSRaja Mani 234740abc2deSRaja Mani ath6kl_cfg80211_stop_all(ar); 234840abc2deSRaja Mani 234940abc2deSRaja Mani /* Save the current power mode before enabling power save */ 235040abc2deSRaja Mani ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode; 235140abc2deSRaja Mani 235240abc2deSRaja Mani ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER); 235340abc2deSRaja Mani if (ret) 235440abc2deSRaja Mani return ret; 235540abc2deSRaja Mani 235640abc2deSRaja Mani /* Disable WOW mode */ 235740abc2deSRaja Mani ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx, 235840abc2deSRaja Mani ATH6KL_WOW_MODE_DISABLE, 235940abc2deSRaja Mani 0, 0); 236040abc2deSRaja Mani if (ret) 236140abc2deSRaja Mani return ret; 236240abc2deSRaja Mani 236340abc2deSRaja Mani /* Flush all non control pkts in TX path */ 236440abc2deSRaja Mani ath6kl_tx_data_cleanup(ar); 236540abc2deSRaja Mani 236640abc2deSRaja Mani ret = ath6kl_cfg80211_host_sleep(ar, vif); 236740abc2deSRaja Mani if (ret) 236840abc2deSRaja Mani return ret; 236940abc2deSRaja Mani 237040abc2deSRaja Mani return 0; 237140abc2deSRaja Mani } 237240abc2deSRaja Mani 237340abc2deSRaja Mani static int ath6kl_cfg80211_deepsleep_resume(struct ath6kl *ar) 237440abc2deSRaja Mani { 237540abc2deSRaja Mani struct ath6kl_vif *vif; 237640abc2deSRaja Mani int ret; 237740abc2deSRaja Mani 237840abc2deSRaja Mani vif = ath6kl_vif_first(ar); 237940abc2deSRaja Mani 238040abc2deSRaja Mani if (!vif) 238140abc2deSRaja Mani return -EIO; 238240abc2deSRaja Mani 238340abc2deSRaja Mani if (ar->wmi->pwr_mode != ar->wmi->saved_pwr_mode) { 238440abc2deSRaja Mani ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, 238540abc2deSRaja Mani ar->wmi->saved_pwr_mode); 238640abc2deSRaja Mani if (ret) 238740abc2deSRaja Mani return ret; 238840abc2deSRaja Mani } 238940abc2deSRaja Mani 239040abc2deSRaja Mani ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, 239140abc2deSRaja Mani ATH6KL_HOST_MODE_AWAKE); 239240abc2deSRaja Mani if (ret) 239340abc2deSRaja Mani return ret; 239440abc2deSRaja Mani 239540abc2deSRaja Mani ar->state = ATH6KL_STATE_ON; 239640abc2deSRaja Mani 239740abc2deSRaja Mani /* Reset scan parameter to default values */ 239840abc2deSRaja Mani ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 239940abc2deSRaja Mani 0, 0, 0, 0, 0, 0, 3, 0, 0, 0); 240040abc2deSRaja Mani if (ret) 240140abc2deSRaja Mani return ret; 240240abc2deSRaja Mani 240340abc2deSRaja Mani return 0; 240440abc2deSRaja Mani } 240540abc2deSRaja Mani 240652d81a68SKalle Valo int ath6kl_cfg80211_suspend(struct ath6kl *ar, 24070f60e9f4SRaja Mani enum ath6kl_cfg_suspend_mode mode, 24080f60e9f4SRaja Mani struct cfg80211_wowlan *wow) 240952d81a68SKalle Valo { 24103d79499cSVivek Natarajan struct ath6kl_vif *vif; 2411390a8c8fSRaja Mani enum ath6kl_state prev_state; 241252d81a68SKalle Valo int ret; 241352d81a68SKalle Valo 241452d81a68SKalle Valo switch (mode) { 2415d7c44e0bSRaja Mani case ATH6KL_CFG_SUSPEND_WOW: 2416d7c44e0bSRaja Mani 2417d7c44e0bSRaja Mani ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode suspend\n"); 2418d7c44e0bSRaja Mani 2419d7c44e0bSRaja Mani /* Flush all non control pkts in TX path */ 2420d7c44e0bSRaja Mani ath6kl_tx_data_cleanup(ar); 2421d7c44e0bSRaja Mani 2422390a8c8fSRaja Mani prev_state = ar->state; 2423390a8c8fSRaja Mani 2424d7c44e0bSRaja Mani ret = ath6kl_wow_suspend(ar, wow); 2425390a8c8fSRaja Mani if (ret) { 2426390a8c8fSRaja Mani ar->state = prev_state; 2427d7c44e0bSRaja Mani return ret; 2428390a8c8fSRaja Mani } 24291e9a905dSRaja Mani 2430d7c44e0bSRaja Mani ar->state = ATH6KL_STATE_WOW; 2431d7c44e0bSRaja Mani break; 2432d7c44e0bSRaja Mani 243352d81a68SKalle Valo case ATH6KL_CFG_SUSPEND_DEEPSLEEP: 2434524441e3SRaja Mani 243540abc2deSRaja Mani ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep suspend\n"); 2436524441e3SRaja Mani 243740abc2deSRaja Mani ret = ath6kl_cfg80211_deepsleep_suspend(ar); 243852d81a68SKalle Valo if (ret) { 243940abc2deSRaja Mani ath6kl_err("deepsleep suspend failed: %d\n", ret); 244040abc2deSRaja Mani return ret; 244152d81a68SKalle Valo } 244252d81a68SKalle Valo 244376a9fbe2SKalle Valo ar->state = ATH6KL_STATE_DEEPSLEEP; 244476a9fbe2SKalle Valo 244552d81a68SKalle Valo break; 2446b4b2a0b1SKalle Valo 2447b4b2a0b1SKalle Valo case ATH6KL_CFG_SUSPEND_CUTPOWER: 2448524441e3SRaja Mani 24497125f01dSKalle Valo ath6kl_cfg80211_stop_all(ar); 2450524441e3SRaja Mani 2451b4b2a0b1SKalle Valo if (ar->state == ATH6KL_STATE_OFF) { 2452b4b2a0b1SKalle Valo ath6kl_dbg(ATH6KL_DBG_SUSPEND, 2453b4b2a0b1SKalle Valo "suspend hw off, no action for cutpower\n"); 2454b4b2a0b1SKalle Valo break; 2455b4b2a0b1SKalle Valo } 2456b4b2a0b1SKalle Valo 2457b4b2a0b1SKalle Valo ath6kl_dbg(ATH6KL_DBG_SUSPEND, "suspend cutting power\n"); 2458b4b2a0b1SKalle Valo 2459b4b2a0b1SKalle Valo ret = ath6kl_init_hw_stop(ar); 2460b4b2a0b1SKalle Valo if (ret) { 2461b4b2a0b1SKalle Valo ath6kl_warn("failed to stop hw during suspend: %d\n", 2462b4b2a0b1SKalle Valo ret); 2463b4b2a0b1SKalle Valo } 2464b4b2a0b1SKalle Valo 2465b4b2a0b1SKalle Valo ar->state = ATH6KL_STATE_CUTPOWER; 2466b4b2a0b1SKalle Valo 2467b4b2a0b1SKalle Valo break; 2468b4b2a0b1SKalle Valo 2469b4b2a0b1SKalle Valo default: 2470b4b2a0b1SKalle Valo break; 247152d81a68SKalle Valo } 247252d81a68SKalle Valo 24733d79499cSVivek Natarajan list_for_each_entry(vif, &ar->vif_list, list) 24743d79499cSVivek Natarajan ath6kl_cfg80211_scan_complete_event(vif, true); 24753d79499cSVivek Natarajan 247652d81a68SKalle Valo return 0; 247752d81a68SKalle Valo } 2478d6a434d6SKalle Valo EXPORT_SYMBOL(ath6kl_cfg80211_suspend); 247952d81a68SKalle Valo 248052d81a68SKalle Valo int ath6kl_cfg80211_resume(struct ath6kl *ar) 248152d81a68SKalle Valo { 248276a9fbe2SKalle Valo int ret; 248376a9fbe2SKalle Valo 248476a9fbe2SKalle Valo switch (ar->state) { 2485d7c44e0bSRaja Mani case ATH6KL_STATE_WOW: 2486d7c44e0bSRaja Mani ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode resume\n"); 2487d7c44e0bSRaja Mani 2488d7c44e0bSRaja Mani ret = ath6kl_wow_resume(ar); 2489d7c44e0bSRaja Mani if (ret) { 2490d7c44e0bSRaja Mani ath6kl_warn("wow mode resume failed: %d\n", ret); 2491d7c44e0bSRaja Mani return ret; 2492d7c44e0bSRaja Mani } 2493d7c44e0bSRaja Mani 2494d7c44e0bSRaja Mani break; 2495d7c44e0bSRaja Mani 249676a9fbe2SKalle Valo case ATH6KL_STATE_DEEPSLEEP: 249740abc2deSRaja Mani ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep resume\n"); 249840abc2deSRaja Mani 249940abc2deSRaja Mani ret = ath6kl_cfg80211_deepsleep_resume(ar); 250076a9fbe2SKalle Valo if (ret) { 250140abc2deSRaja Mani ath6kl_warn("deep sleep resume failed: %d\n", ret); 250240abc2deSRaja Mani return ret; 250376a9fbe2SKalle Valo } 250476a9fbe2SKalle Valo break; 250576a9fbe2SKalle Valo 2506b4b2a0b1SKalle Valo case ATH6KL_STATE_CUTPOWER: 2507b4b2a0b1SKalle Valo ath6kl_dbg(ATH6KL_DBG_SUSPEND, "resume restoring power\n"); 2508b4b2a0b1SKalle Valo 2509b4b2a0b1SKalle Valo ret = ath6kl_init_hw_start(ar); 2510b4b2a0b1SKalle Valo if (ret) { 2511b4b2a0b1SKalle Valo ath6kl_warn("Failed to boot hw in resume: %d\n", ret); 2512b4b2a0b1SKalle Valo return ret; 2513b4b2a0b1SKalle Valo } 2514d7c44e0bSRaja Mani break; 2515b4b2a0b1SKalle Valo 251676a9fbe2SKalle Valo default: 251776a9fbe2SKalle Valo break; 251852d81a68SKalle Valo } 251952d81a68SKalle Valo 252052d81a68SKalle Valo return 0; 252152d81a68SKalle Valo } 2522d6a434d6SKalle Valo EXPORT_SYMBOL(ath6kl_cfg80211_resume); 252352d81a68SKalle Valo 2524abcb344bSKalle Valo #ifdef CONFIG_PM 252552d81a68SKalle Valo 252652d81a68SKalle Valo /* hif layer decides what suspend mode to use */ 252752d81a68SKalle Valo static int __ath6kl_cfg80211_suspend(struct wiphy *wiphy, 2528abcb344bSKalle Valo struct cfg80211_wowlan *wow) 2529abcb344bSKalle Valo { 2530abcb344bSKalle Valo struct ath6kl *ar = wiphy_priv(wiphy); 2531abcb344bSKalle Valo 253284caf800SVasanthakumar Thiagarajan ath6kl_recovery_suspend(ar); 253384caf800SVasanthakumar Thiagarajan 25340f60e9f4SRaja Mani return ath6kl_hif_suspend(ar, wow); 2535abcb344bSKalle Valo } 2536aa6cffc1SChilam Ng 253752d81a68SKalle Valo static int __ath6kl_cfg80211_resume(struct wiphy *wiphy) 2538aa6cffc1SChilam Ng { 2539aa6cffc1SChilam Ng struct ath6kl *ar = wiphy_priv(wiphy); 254084caf800SVasanthakumar Thiagarajan int err; 2541aa6cffc1SChilam Ng 254284caf800SVasanthakumar Thiagarajan err = ath6kl_hif_resume(ar); 254384caf800SVasanthakumar Thiagarajan if (err) 254484caf800SVasanthakumar Thiagarajan return err; 254584caf800SVasanthakumar Thiagarajan 254692332993SVasanthakumar Thiagarajan ath6kl_recovery_resume(ar); 254784caf800SVasanthakumar Thiagarajan 254884caf800SVasanthakumar Thiagarajan return 0; 2549aa6cffc1SChilam Ng } 2550a918fb3cSRaja Mani 2551a918fb3cSRaja Mani /* 2552a918fb3cSRaja Mani * FIXME: WOW suspend mode is selected if the host sdio controller supports 2553a918fb3cSRaja Mani * both sdio irq wake up and keep power. The target pulls sdio data line to 2554a918fb3cSRaja Mani * wake up the host when WOW pattern matches. This causes sdio irq handler 2555a918fb3cSRaja Mani * is being called in the host side which internally hits ath6kl's RX path. 2556a918fb3cSRaja Mani * 2557a918fb3cSRaja Mani * Since sdio interrupt is not disabled, RX path executes even before 2558a918fb3cSRaja Mani * the host executes the actual resume operation from PM module. 2559a918fb3cSRaja Mani * 2560a918fb3cSRaja Mani * In the current scenario, WOW resume should happen before start processing 2561a918fb3cSRaja Mani * any data from the target. So It's required to perform WOW resume in RX path. 2562a918fb3cSRaja Mani * Ideally we should perform WOW resume only in the actual platform 2563a918fb3cSRaja Mani * resume path. This area needs bit rework to avoid WOW resume in RX path. 2564a918fb3cSRaja Mani * 2565a918fb3cSRaja Mani * ath6kl_check_wow_status() is called from ath6kl_rx(). 2566a918fb3cSRaja Mani */ 2567a918fb3cSRaja Mani void ath6kl_check_wow_status(struct ath6kl *ar) 2568a918fb3cSRaja Mani { 2569390a8c8fSRaja Mani if (ar->state == ATH6KL_STATE_SUSPENDING) 2570390a8c8fSRaja Mani return; 2571390a8c8fSRaja Mani 2572a918fb3cSRaja Mani if (ar->state == ATH6KL_STATE_WOW) 2573a918fb3cSRaja Mani ath6kl_cfg80211_resume(ar); 2574a918fb3cSRaja Mani } 2575a918fb3cSRaja Mani 2576a918fb3cSRaja Mani #else 2577a918fb3cSRaja Mani 2578a918fb3cSRaja Mani void ath6kl_check_wow_status(struct ath6kl *ar) 2579a918fb3cSRaja Mani { 2580a918fb3cSRaja Mani } 2581abcb344bSKalle Valo #endif 2582abcb344bSKalle Valo 2583df90b369SVasanthakumar Thiagarajan static int ath6kl_set_htcap(struct ath6kl_vif *vif, enum ieee80211_band band, 2584df90b369SVasanthakumar Thiagarajan bool ht_enable) 25856a7c9badSJouni Malinen { 258667b3f129SKiran Reddy struct ath6kl_htcap *htcap = &vif->htcap[band]; 2587e68f6750SSujith Manoharan 2588df90b369SVasanthakumar Thiagarajan if (htcap->ht_enable == ht_enable) 25896a7c9badSJouni Malinen return 0; 2590df90b369SVasanthakumar Thiagarajan 2591df90b369SVasanthakumar Thiagarajan if (ht_enable) { 2592df90b369SVasanthakumar Thiagarajan /* Set default ht capabilities */ 2593df90b369SVasanthakumar Thiagarajan htcap->ht_enable = true; 2594df90b369SVasanthakumar Thiagarajan htcap->cap_info = (band == IEEE80211_BAND_2GHZ) ? 2595df90b369SVasanthakumar Thiagarajan ath6kl_g_htcap : ath6kl_a_htcap; 2596df90b369SVasanthakumar Thiagarajan htcap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K; 2597df90b369SVasanthakumar Thiagarajan } else /* Disable ht */ 2598df90b369SVasanthakumar Thiagarajan memset(htcap, 0, sizeof(*htcap)); 2599df90b369SVasanthakumar Thiagarajan 2600df90b369SVasanthakumar Thiagarajan return ath6kl_wmi_set_htcap_cmd(vif->ar->wmi, vif->fw_vif_idx, 2601df90b369SVasanthakumar Thiagarajan band, htcap); 26026a7c9badSJouni Malinen } 26036a7c9badSJouni Malinen 260437a2f950SThomas Pedersen static int ath6kl_restore_htcap(struct ath6kl_vif *vif) 260537a2f950SThomas Pedersen { 260637a2f950SThomas Pedersen struct wiphy *wiphy = vif->ar->wiphy; 260737a2f950SThomas Pedersen int band, ret = 0; 260837a2f950SThomas Pedersen 260937a2f950SThomas Pedersen for (band = 0; band < IEEE80211_NUM_BANDS; band++) { 261037a2f950SThomas Pedersen if (!wiphy->bands[band]) 261137a2f950SThomas Pedersen continue; 261237a2f950SThomas Pedersen 261337a2f950SThomas Pedersen ret = ath6kl_set_htcap(vif, band, 261437a2f950SThomas Pedersen wiphy->bands[band]->ht_cap.ht_supported); 261537a2f950SThomas Pedersen if (ret) 261637a2f950SThomas Pedersen return ret; 261737a2f950SThomas Pedersen } 261837a2f950SThomas Pedersen 261937a2f950SThomas Pedersen return ret; 262037a2f950SThomas Pedersen } 262137a2f950SThomas Pedersen 26228bdfbf40SJouni Malinen static bool ath6kl_is_p2p_ie(const u8 *pos) 26238bdfbf40SJouni Malinen { 26248bdfbf40SJouni Malinen return pos[0] == WLAN_EID_VENDOR_SPECIFIC && pos[1] >= 4 && 26258bdfbf40SJouni Malinen pos[2] == 0x50 && pos[3] == 0x6f && 26268bdfbf40SJouni Malinen pos[4] == 0x9a && pos[5] == 0x09; 26278bdfbf40SJouni Malinen } 26288bdfbf40SJouni Malinen 2629334234b5SVasanthakumar Thiagarajan static int ath6kl_set_ap_probe_resp_ies(struct ath6kl_vif *vif, 2630334234b5SVasanthakumar Thiagarajan const u8 *ies, size_t ies_len) 26318bdfbf40SJouni Malinen { 2632334234b5SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 26338bdfbf40SJouni Malinen const u8 *pos; 26348bdfbf40SJouni Malinen u8 *buf = NULL; 26358bdfbf40SJouni Malinen size_t len = 0; 26368bdfbf40SJouni Malinen int ret; 26378bdfbf40SJouni Malinen 26388bdfbf40SJouni Malinen /* 26398bdfbf40SJouni Malinen * Filter out P2P IE(s) since they will be included depending on 26408bdfbf40SJouni Malinen * the Probe Request frame in ath6kl_send_go_probe_resp(). 26418bdfbf40SJouni Malinen */ 26428bdfbf40SJouni Malinen 26438bdfbf40SJouni Malinen if (ies && ies_len) { 26448bdfbf40SJouni Malinen buf = kmalloc(ies_len, GFP_KERNEL); 26458bdfbf40SJouni Malinen if (buf == NULL) 26468bdfbf40SJouni Malinen return -ENOMEM; 26478bdfbf40SJouni Malinen pos = ies; 26488bdfbf40SJouni Malinen while (pos + 1 < ies + ies_len) { 26498bdfbf40SJouni Malinen if (pos + 2 + pos[1] > ies + ies_len) 26508bdfbf40SJouni Malinen break; 26518bdfbf40SJouni Malinen if (!ath6kl_is_p2p_ie(pos)) { 26528bdfbf40SJouni Malinen memcpy(buf + len, pos, 2 + pos[1]); 26538bdfbf40SJouni Malinen len += 2 + pos[1]; 26548bdfbf40SJouni Malinen } 26558bdfbf40SJouni Malinen pos += 2 + pos[1]; 26568bdfbf40SJouni Malinen } 26578bdfbf40SJouni Malinen } 26588bdfbf40SJouni Malinen 2659334234b5SVasanthakumar Thiagarajan ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 2660334234b5SVasanthakumar Thiagarajan WMI_FRAME_PROBE_RESP, buf, len); 26618bdfbf40SJouni Malinen kfree(buf); 26628bdfbf40SJouni Malinen return ret; 26638bdfbf40SJouni Malinen } 26648bdfbf40SJouni Malinen 26658860020eSJohannes Berg static int ath6kl_set_ies(struct ath6kl_vif *vif, 26668860020eSJohannes Berg struct cfg80211_beacon_data *info) 26678860020eSJohannes Berg { 26688860020eSJohannes Berg struct ath6kl *ar = vif->ar; 26698860020eSJohannes Berg int res; 26708860020eSJohannes Berg 267117a7b16dSAarthi Thiruvengadam /* this also clears IE in fw if it's not set */ 26728860020eSJohannes Berg res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 26738860020eSJohannes Berg WMI_FRAME_BEACON, 26748860020eSJohannes Berg info->beacon_ies, 26758860020eSJohannes Berg info->beacon_ies_len); 26768860020eSJohannes Berg if (res) 26778860020eSJohannes Berg return res; 26788860020eSJohannes Berg 267917a7b16dSAarthi Thiruvengadam /* this also clears IE in fw if it's not set */ 26808860020eSJohannes Berg res = ath6kl_set_ap_probe_resp_ies(vif, info->proberesp_ies, 26818860020eSJohannes Berg info->proberesp_ies_len); 26828860020eSJohannes Berg if (res) 26838860020eSJohannes Berg return res; 26848860020eSJohannes Berg 268517a7b16dSAarthi Thiruvengadam /* this also clears IE in fw if it's not set */ 26868860020eSJohannes Berg res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 26878860020eSJohannes Berg WMI_FRAME_ASSOC_RESP, 26888860020eSJohannes Berg info->assocresp_ies, 26898860020eSJohannes Berg info->assocresp_ies_len); 26908860020eSJohannes Berg if (res) 26918860020eSJohannes Berg return res; 26928860020eSJohannes Berg 26938860020eSJohannes Berg return 0; 26948860020eSJohannes Berg } 26958860020eSJohannes Berg 2696d97c121bSVasanthakumar Thiagarajan static int ath6kl_get_rsn_capab(struct cfg80211_beacon_data *beacon, 2697d97c121bSVasanthakumar Thiagarajan u8 *rsn_capab) 2698d97c121bSVasanthakumar Thiagarajan { 2699d97c121bSVasanthakumar Thiagarajan const u8 *rsn_ie; 2700d97c121bSVasanthakumar Thiagarajan size_t rsn_ie_len; 2701d97c121bSVasanthakumar Thiagarajan u16 cnt; 2702d97c121bSVasanthakumar Thiagarajan 2703d97c121bSVasanthakumar Thiagarajan if (!beacon->tail) 2704d97c121bSVasanthakumar Thiagarajan return -EINVAL; 2705d97c121bSVasanthakumar Thiagarajan 2706d97c121bSVasanthakumar Thiagarajan rsn_ie = cfg80211_find_ie(WLAN_EID_RSN, beacon->tail, beacon->tail_len); 2707d97c121bSVasanthakumar Thiagarajan if (!rsn_ie) 2708d97c121bSVasanthakumar Thiagarajan return -EINVAL; 2709d97c121bSVasanthakumar Thiagarajan 2710d97c121bSVasanthakumar Thiagarajan rsn_ie_len = *(rsn_ie + 1); 2711d97c121bSVasanthakumar Thiagarajan /* skip element id and length */ 2712d97c121bSVasanthakumar Thiagarajan rsn_ie += 2; 2713d97c121bSVasanthakumar Thiagarajan 27149e8b16dbSVasanthakumar Thiagarajan /* skip version */ 27159e8b16dbSVasanthakumar Thiagarajan if (rsn_ie_len < 2) 2716d97c121bSVasanthakumar Thiagarajan return -EINVAL; 27179e8b16dbSVasanthakumar Thiagarajan rsn_ie += 2; 27189e8b16dbSVasanthakumar Thiagarajan rsn_ie_len -= 2; 27199e8b16dbSVasanthakumar Thiagarajan 27209e8b16dbSVasanthakumar Thiagarajan /* skip group cipher suite */ 27219e8b16dbSVasanthakumar Thiagarajan if (rsn_ie_len < 4) 27229e8b16dbSVasanthakumar Thiagarajan return 0; 27239e8b16dbSVasanthakumar Thiagarajan rsn_ie += 4; 27249e8b16dbSVasanthakumar Thiagarajan rsn_ie_len -= 4; 2725d97c121bSVasanthakumar Thiagarajan 2726d97c121bSVasanthakumar Thiagarajan /* skip pairwise cipher suite */ 2727d97c121bSVasanthakumar Thiagarajan if (rsn_ie_len < 2) 27289e8b16dbSVasanthakumar Thiagarajan return 0; 2729798985c6SVasanthakumar Thiagarajan cnt = get_unaligned_le16(rsn_ie); 2730d97c121bSVasanthakumar Thiagarajan rsn_ie += (2 + cnt * 4); 2731d97c121bSVasanthakumar Thiagarajan rsn_ie_len -= (2 + cnt * 4); 2732d97c121bSVasanthakumar Thiagarajan 2733d97c121bSVasanthakumar Thiagarajan /* skip akm 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 if (rsn_ie_len < 2) 27419e8b16dbSVasanthakumar Thiagarajan return 0; 2742d97c121bSVasanthakumar Thiagarajan 2743d97c121bSVasanthakumar Thiagarajan memcpy(rsn_capab, rsn_ie, 2); 2744d97c121bSVasanthakumar Thiagarajan 2745d97c121bSVasanthakumar Thiagarajan return 0; 2746d97c121bSVasanthakumar Thiagarajan } 2747d97c121bSVasanthakumar Thiagarajan 27488860020eSJohannes Berg static int ath6kl_start_ap(struct wiphy *wiphy, struct net_device *dev, 27498860020eSJohannes Berg struct cfg80211_ap_settings *info) 27506a7c9badSJouni Malinen { 27516a7c9badSJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 27523450334fSVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 27536a7c9badSJouni Malinen struct ieee80211_mgmt *mgmt; 275467cd22e4SThomas Pedersen bool hidden = false; 27556a7c9badSJouni Malinen u8 *ies; 27566a7c9badSJouni Malinen int ies_len; 27576a7c9badSJouni Malinen struct wmi_connect_cmd p; 27586a7c9badSJouni Malinen int res; 2759be5abaafSVasanthakumar Thiagarajan int i, ret; 2760d97c121bSVasanthakumar Thiagarajan u16 rsn_capab = 0; 27617ac25eacSMohammed Shafi Shajakhan int inactivity_timeout = 0; 27626a7c9badSJouni Malinen 27638860020eSJohannes Berg ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s:\n", __func__); 27646a7c9badSJouni Malinen 2765990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 27666a7c9badSJouni Malinen return -EIO; 27676a7c9badSJouni Malinen 2768f5938f24SVasanthakumar Thiagarajan if (vif->next_mode != AP_NETWORK) 27696a7c9badSJouni Malinen return -EOPNOTSUPP; 27706a7c9badSJouni Malinen 27718860020eSJohannes Berg res = ath6kl_set_ies(vif, &info->beacon); 27726a7c9badSJouni Malinen 27739a5b1318SJouni Malinen ar->ap_mode_bkey.valid = false; 27749a5b1318SJouni Malinen 2775eb922e4bSMohammed Shafi Shajakhan ret = ath6kl_wmi_ap_set_beacon_intvl_cmd(ar->wmi, vif->fw_vif_idx, 2776eb922e4bSMohammed Shafi Shajakhan info->beacon_interval); 2777eb922e4bSMohammed Shafi Shajakhan 2778eb922e4bSMohammed Shafi Shajakhan if (ret) 2779eb922e4bSMohammed Shafi Shajakhan ath6kl_warn("Failed to set beacon interval: %d\n", ret); 27806a7c9badSJouni Malinen 2781d154f32eSEtay Luz ret = ath6kl_wmi_ap_set_dtim_cmd(ar->wmi, vif->fw_vif_idx, 2782d154f32eSEtay Luz info->dtim_period); 2783d154f32eSEtay Luz 2784d154f32eSEtay Luz /* ignore error, just print a warning and continue normally */ 2785d154f32eSEtay Luz if (ret) 2786d154f32eSEtay Luz ath6kl_warn("Failed to set dtim_period in beacon: %d\n", ret); 2787d154f32eSEtay Luz 27888860020eSJohannes Berg if (info->beacon.head == NULL) 27896a7c9badSJouni Malinen return -EINVAL; 27908860020eSJohannes Berg mgmt = (struct ieee80211_mgmt *) info->beacon.head; 27916a7c9badSJouni Malinen ies = mgmt->u.beacon.variable; 27928860020eSJohannes Berg if (ies > info->beacon.head + info->beacon.head_len) 27936a7c9badSJouni Malinen return -EINVAL; 27948860020eSJohannes Berg ies_len = info->beacon.head + info->beacon.head_len - ies; 27956a7c9badSJouni Malinen 27966a7c9badSJouni Malinen if (info->ssid == NULL) 27976a7c9badSJouni Malinen return -EINVAL; 27983450334fSVasanthakumar Thiagarajan memcpy(vif->ssid, info->ssid, info->ssid_len); 27993450334fSVasanthakumar Thiagarajan vif->ssid_len = info->ssid_len; 28006a7c9badSJouni Malinen if (info->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE) 280167cd22e4SThomas Pedersen hidden = true; 280267cd22e4SThomas Pedersen 280367cd22e4SThomas Pedersen res = ath6kl_wmi_ap_hidden_ssid(ar->wmi, vif->fw_vif_idx, hidden); 280467cd22e4SThomas Pedersen if (res) 280567cd22e4SThomas Pedersen return res; 28066a7c9badSJouni Malinen 2807be5abaafSVasanthakumar Thiagarajan ret = ath6kl_set_auth_type(vif, info->auth_type); 2808be5abaafSVasanthakumar Thiagarajan if (ret) 2809be5abaafSVasanthakumar Thiagarajan return ret; 28106a7c9badSJouni Malinen 28116a7c9badSJouni Malinen memset(&p, 0, sizeof(p)); 28126a7c9badSJouni Malinen 28136a7c9badSJouni Malinen for (i = 0; i < info->crypto.n_akm_suites; i++) { 28146a7c9badSJouni Malinen switch (info->crypto.akm_suites[i]) { 28156a7c9badSJouni Malinen case WLAN_AKM_SUITE_8021X: 28166a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1) 28176a7c9badSJouni Malinen p.auth_mode |= WPA_AUTH; 28186a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2) 28196a7c9badSJouni Malinen p.auth_mode |= WPA2_AUTH; 28206a7c9badSJouni Malinen break; 28216a7c9badSJouni Malinen case WLAN_AKM_SUITE_PSK: 28226a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1) 28236a7c9badSJouni Malinen p.auth_mode |= WPA_PSK_AUTH; 28246a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2) 28256a7c9badSJouni Malinen p.auth_mode |= WPA2_PSK_AUTH; 28266a7c9badSJouni Malinen break; 28276a7c9badSJouni Malinen } 28286a7c9badSJouni Malinen } 28296a7c9badSJouni Malinen if (p.auth_mode == 0) 28306a7c9badSJouni Malinen p.auth_mode = NONE_AUTH; 28313450334fSVasanthakumar Thiagarajan vif->auth_mode = p.auth_mode; 28326a7c9badSJouni Malinen 28336a7c9badSJouni Malinen for (i = 0; i < info->crypto.n_ciphers_pairwise; i++) { 28346a7c9badSJouni Malinen switch (info->crypto.ciphers_pairwise[i]) { 28356a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP40: 28366a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP104: 28376a7c9badSJouni Malinen p.prwise_crypto_type |= WEP_CRYPT; 28386a7c9badSJouni Malinen break; 28396a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_TKIP: 28406a7c9badSJouni Malinen p.prwise_crypto_type |= TKIP_CRYPT; 28416a7c9badSJouni Malinen break; 28426a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_CCMP: 28436a7c9badSJouni Malinen p.prwise_crypto_type |= AES_CRYPT; 28446a7c9badSJouni Malinen break; 2845b8214df1SDai Shuibing case WLAN_CIPHER_SUITE_SMS4: 2846b8214df1SDai Shuibing p.prwise_crypto_type |= WAPI_CRYPT; 2847b8214df1SDai Shuibing break; 28486a7c9badSJouni Malinen } 28496a7c9badSJouni Malinen } 2850229ed6b5SEdward Lu if (p.prwise_crypto_type == 0) { 28516a7c9badSJouni Malinen p.prwise_crypto_type = NONE_CRYPT; 2852240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, 0, true); 2853229ed6b5SEdward Lu } else if (info->crypto.n_ciphers_pairwise == 1) 2854240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, info->crypto.ciphers_pairwise[0], true); 28556a7c9badSJouni Malinen 28566a7c9badSJouni Malinen switch (info->crypto.cipher_group) { 28576a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP40: 28586a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP104: 28596a7c9badSJouni Malinen p.grp_crypto_type = WEP_CRYPT; 28606a7c9badSJouni Malinen break; 28616a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_TKIP: 28626a7c9badSJouni Malinen p.grp_crypto_type = TKIP_CRYPT; 28636a7c9badSJouni Malinen break; 28646a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_CCMP: 28656a7c9badSJouni Malinen p.grp_crypto_type = AES_CRYPT; 28666a7c9badSJouni Malinen break; 2867b8214df1SDai Shuibing case WLAN_CIPHER_SUITE_SMS4: 2868b8214df1SDai Shuibing p.grp_crypto_type = WAPI_CRYPT; 2869b8214df1SDai Shuibing break; 28706a7c9badSJouni Malinen default: 28716a7c9badSJouni Malinen p.grp_crypto_type = NONE_CRYPT; 28726a7c9badSJouni Malinen break; 28736a7c9badSJouni Malinen } 2874240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, info->crypto.cipher_group, false); 28756a7c9badSJouni Malinen 28766a7c9badSJouni Malinen p.nw_type = AP_NETWORK; 2877f5938f24SVasanthakumar Thiagarajan vif->nw_type = vif->next_mode; 28786a7c9badSJouni Malinen 28793450334fSVasanthakumar Thiagarajan p.ssid_len = vif->ssid_len; 28803450334fSVasanthakumar Thiagarajan memcpy(p.ssid, vif->ssid, vif->ssid_len); 28813450334fSVasanthakumar Thiagarajan p.dot11_auth_mode = vif->dot11_auth_mode; 2882683b6d3bSJohannes Berg p.ch = cpu_to_le16(info->chandef.chan->center_freq); 28836a7c9badSJouni Malinen 2884c1762a3fSThirumalai Pachamuthu /* Enable uAPSD support by default */ 2885c1762a3fSThirumalai Pachamuthu res = ath6kl_wmi_ap_set_apsd(ar->wmi, vif->fw_vif_idx, true); 2886c1762a3fSThirumalai Pachamuthu if (res < 0) 2887c1762a3fSThirumalai Pachamuthu return res; 2888c1762a3fSThirumalai Pachamuthu 28893ca9d1fcSAarthi Thiruvengadam if (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO) { 28903ca9d1fcSAarthi Thiruvengadam p.nw_subtype = SUBTYPE_P2PGO; 28913ca9d1fcSAarthi Thiruvengadam } else { 28923ca9d1fcSAarthi Thiruvengadam /* 28933ca9d1fcSAarthi Thiruvengadam * Due to firmware limitation, it is not possible to 28943ca9d1fcSAarthi Thiruvengadam * do P2P mgmt operations in AP mode 28953ca9d1fcSAarthi Thiruvengadam */ 28963ca9d1fcSAarthi Thiruvengadam p.nw_subtype = SUBTYPE_NONE; 28973ca9d1fcSAarthi Thiruvengadam } 28983ca9d1fcSAarthi Thiruvengadam 289903bdeb0dSVasanthakumar Thiagarajan if (info->inactivity_timeout) { 29007ac25eacSMohammed Shafi Shajakhan 29017ac25eacSMohammed Shafi Shajakhan inactivity_timeout = info->inactivity_timeout; 29027ac25eacSMohammed Shafi Shajakhan 29037ac25eacSMohammed Shafi Shajakhan if (ar->hw.flags & ATH6KL_HW_AP_INACTIVITY_MINS) 29047ac25eacSMohammed Shafi Shajakhan inactivity_timeout = DIV_ROUND_UP(inactivity_timeout, 29057ac25eacSMohammed Shafi Shajakhan 60); 29067ac25eacSMohammed Shafi Shajakhan 290703bdeb0dSVasanthakumar Thiagarajan res = ath6kl_wmi_set_inact_period(ar->wmi, vif->fw_vif_idx, 29087ac25eacSMohammed Shafi Shajakhan inactivity_timeout); 290903bdeb0dSVasanthakumar Thiagarajan if (res < 0) 291003bdeb0dSVasanthakumar Thiagarajan return res; 291103bdeb0dSVasanthakumar Thiagarajan } 291203bdeb0dSVasanthakumar Thiagarajan 2913683b6d3bSJohannes Berg if (ath6kl_set_htcap(vif, info->chandef.chan->band, 2914683b6d3bSJohannes Berg cfg80211_get_chandef_type(&info->chandef) 2915683b6d3bSJohannes Berg != NL80211_CHAN_NO_HT)) 2916df90b369SVasanthakumar Thiagarajan return -EIO; 2917df90b369SVasanthakumar Thiagarajan 2918d97c121bSVasanthakumar Thiagarajan /* 2919d97c121bSVasanthakumar Thiagarajan * Get the PTKSA replay counter in the RSN IE. Supplicant 2920d97c121bSVasanthakumar Thiagarajan * will use the RSN IE in M3 message and firmware has to 2921d97c121bSVasanthakumar Thiagarajan * advertise the same in beacon/probe response. Send 2922d97c121bSVasanthakumar Thiagarajan * the complete RSN IE capability field to firmware 2923d97c121bSVasanthakumar Thiagarajan */ 2924d97c121bSVasanthakumar Thiagarajan if (!ath6kl_get_rsn_capab(&info->beacon, (u8 *) &rsn_capab) && 2925d97c121bSVasanthakumar Thiagarajan test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE, 2926d97c121bSVasanthakumar Thiagarajan ar->fw_capabilities)) { 2927d97c121bSVasanthakumar Thiagarajan res = ath6kl_wmi_set_ie_cmd(ar->wmi, vif->fw_vif_idx, 2928d97c121bSVasanthakumar Thiagarajan WLAN_EID_RSN, WMI_RSN_IE_CAPB, 2929d97c121bSVasanthakumar Thiagarajan (const u8 *) &rsn_capab, 2930d97c121bSVasanthakumar Thiagarajan sizeof(rsn_capab)); 2931f21243a8SThomas Pedersen vif->rsn_capab = rsn_capab; 2932d97c121bSVasanthakumar Thiagarajan if (res < 0) 2933d97c121bSVasanthakumar Thiagarajan return res; 2934d97c121bSVasanthakumar Thiagarajan } 2935d97c121bSVasanthakumar Thiagarajan 2936c4f7863eSThomas Pedersen memcpy(&vif->profile, &p, sizeof(p)); 2937334234b5SVasanthakumar Thiagarajan res = ath6kl_wmi_ap_profile_commit(ar->wmi, vif->fw_vif_idx, &p); 29389a5b1318SJouni Malinen if (res < 0) 29399a5b1318SJouni Malinen return res; 29409a5b1318SJouni Malinen 29419a5b1318SJouni Malinen return 0; 29426a7c9badSJouni Malinen } 29436a7c9badSJouni Malinen 29448860020eSJohannes Berg static int ath6kl_change_beacon(struct wiphy *wiphy, struct net_device *dev, 29458860020eSJohannes Berg struct cfg80211_beacon_data *beacon) 29466a7c9badSJouni Malinen { 29478860020eSJohannes Berg struct ath6kl_vif *vif = netdev_priv(dev); 29488860020eSJohannes Berg 29498860020eSJohannes Berg if (!ath6kl_cfg80211_ready(vif)) 29508860020eSJohannes Berg return -EIO; 29518860020eSJohannes Berg 29528860020eSJohannes Berg if (vif->next_mode != AP_NETWORK) 29538860020eSJohannes Berg return -EOPNOTSUPP; 29548860020eSJohannes Berg 29558860020eSJohannes Berg return ath6kl_set_ies(vif, beacon); 29566a7c9badSJouni Malinen } 29576a7c9badSJouni Malinen 29588860020eSJohannes Berg static int ath6kl_stop_ap(struct wiphy *wiphy, struct net_device *dev) 29596a7c9badSJouni Malinen { 29606a7c9badSJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 296159c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 29626a7c9badSJouni Malinen 2963f5938f24SVasanthakumar Thiagarajan if (vif->nw_type != AP_NETWORK) 29646a7c9badSJouni Malinen return -EOPNOTSUPP; 296559c98449SVasanthakumar Thiagarajan if (!test_bit(CONNECTED, &vif->flags)) 29666a7c9badSJouni Malinen return -ENOTCONN; 29676a7c9badSJouni Malinen 2968334234b5SVasanthakumar Thiagarajan ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx); 296959c98449SVasanthakumar Thiagarajan clear_bit(CONNECTED, &vif->flags); 29706a7c9badSJouni Malinen 2971df90b369SVasanthakumar Thiagarajan /* Restore ht setting in firmware */ 297237a2f950SThomas Pedersen return ath6kl_restore_htcap(vif); 29736a7c9badSJouni Malinen } 29746a7c9badSJouni Malinen 297533e5308dSJouni Malinen static const u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; 297633e5308dSJouni Malinen 297733e5308dSJouni Malinen static int ath6kl_del_station(struct wiphy *wiphy, struct net_device *dev, 297833e5308dSJouni Malinen u8 *mac) 297933e5308dSJouni Malinen { 298033e5308dSJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 298133e5308dSJouni Malinen struct ath6kl_vif *vif = netdev_priv(dev); 298233e5308dSJouni Malinen const u8 *addr = mac ? mac : bcast_addr; 298333e5308dSJouni Malinen 298433e5308dSJouni Malinen return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, WMI_AP_DEAUTH, 298533e5308dSJouni Malinen addr, WLAN_REASON_PREV_AUTH_NOT_VALID); 298633e5308dSJouni Malinen } 298733e5308dSJouni Malinen 298823875136SJouni Malinen static int ath6kl_change_station(struct wiphy *wiphy, struct net_device *dev, 298923875136SJouni Malinen u8 *mac, struct station_parameters *params) 299023875136SJouni Malinen { 299123875136SJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 2992f5938f24SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 299377ee7c89SJohannes Berg int err; 299423875136SJouni Malinen 2995f5938f24SVasanthakumar Thiagarajan if (vif->nw_type != AP_NETWORK) 299623875136SJouni Malinen return -EOPNOTSUPP; 299723875136SJouni Malinen 299877ee7c89SJohannes Berg err = cfg80211_check_station_change(wiphy, params, 299977ee7c89SJohannes Berg CFG80211_STA_AP_MLME_CLIENT); 300077ee7c89SJohannes Berg if (err) 300177ee7c89SJohannes Berg return err; 300223875136SJouni Malinen 300323875136SJouni Malinen if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED)) 3004334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, 3005334234b5SVasanthakumar Thiagarajan WMI_AP_MLME_AUTHORIZE, mac, 0); 3006334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, 3007334234b5SVasanthakumar Thiagarajan WMI_AP_MLME_UNAUTHORIZE, mac, 0); 300823875136SJouni Malinen } 300923875136SJouni Malinen 301063fa1e0cSJouni Malinen static int ath6kl_remain_on_channel(struct wiphy *wiphy, 301171bbc994SJohannes Berg struct wireless_dev *wdev, 301263fa1e0cSJouni Malinen struct ieee80211_channel *chan, 301363fa1e0cSJouni Malinen unsigned int duration, 301463fa1e0cSJouni Malinen u64 *cookie) 301563fa1e0cSJouni Malinen { 301671bbc994SJohannes Berg struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); 301771bbc994SJohannes Berg struct ath6kl *ar = ath6kl_priv(vif->ndev); 30181052261eSJouni Malinen u32 id; 301963fa1e0cSJouni Malinen 302063fa1e0cSJouni Malinen /* TODO: if already pending or ongoing remain-on-channel, 302163fa1e0cSJouni Malinen * return -EBUSY */ 30221052261eSJouni Malinen id = ++vif->last_roc_id; 30231052261eSJouni Malinen if (id == 0) { 30241052261eSJouni Malinen /* Do not use 0 as the cookie value */ 30251052261eSJouni Malinen id = ++vif->last_roc_id; 30261052261eSJouni Malinen } 30271052261eSJouni Malinen *cookie = id; 302863fa1e0cSJouni Malinen 3029334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx, 3030334234b5SVasanthakumar Thiagarajan chan->center_freq, duration); 303163fa1e0cSJouni Malinen } 303263fa1e0cSJouni Malinen 303363fa1e0cSJouni Malinen static int ath6kl_cancel_remain_on_channel(struct wiphy *wiphy, 303471bbc994SJohannes Berg struct wireless_dev *wdev, 303563fa1e0cSJouni Malinen u64 cookie) 303663fa1e0cSJouni Malinen { 303771bbc994SJohannes Berg struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); 303871bbc994SJohannes Berg struct ath6kl *ar = ath6kl_priv(vif->ndev); 303963fa1e0cSJouni Malinen 30401052261eSJouni Malinen if (cookie != vif->last_roc_id) 304163fa1e0cSJouni Malinen return -ENOENT; 30421052261eSJouni Malinen vif->last_cancel_roc_id = cookie; 304363fa1e0cSJouni Malinen 3044334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_cancel_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx); 304563fa1e0cSJouni Malinen } 304663fa1e0cSJouni Malinen 3047334234b5SVasanthakumar Thiagarajan static int ath6kl_send_go_probe_resp(struct ath6kl_vif *vif, 3048334234b5SVasanthakumar Thiagarajan const u8 *buf, size_t len, 3049334234b5SVasanthakumar Thiagarajan unsigned int freq) 30508bdfbf40SJouni Malinen { 3051334234b5SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 30528bdfbf40SJouni Malinen const u8 *pos; 30538bdfbf40SJouni Malinen u8 *p2p; 30548bdfbf40SJouni Malinen int p2p_len; 30558bdfbf40SJouni Malinen int ret; 30568bdfbf40SJouni Malinen const struct ieee80211_mgmt *mgmt; 30578bdfbf40SJouni Malinen 30588bdfbf40SJouni Malinen mgmt = (const struct ieee80211_mgmt *) buf; 30598bdfbf40SJouni Malinen 30608bdfbf40SJouni Malinen /* Include P2P IE(s) from the frame generated in user space. */ 30618bdfbf40SJouni Malinen 30628bdfbf40SJouni Malinen p2p = kmalloc(len, GFP_KERNEL); 30638bdfbf40SJouni Malinen if (p2p == NULL) 30648bdfbf40SJouni Malinen return -ENOMEM; 30658bdfbf40SJouni Malinen p2p_len = 0; 30668bdfbf40SJouni Malinen 30678bdfbf40SJouni Malinen pos = mgmt->u.probe_resp.variable; 30688bdfbf40SJouni Malinen while (pos + 1 < buf + len) { 30698bdfbf40SJouni Malinen if (pos + 2 + pos[1] > buf + len) 30708bdfbf40SJouni Malinen break; 30718bdfbf40SJouni Malinen if (ath6kl_is_p2p_ie(pos)) { 30728bdfbf40SJouni Malinen memcpy(p2p + p2p_len, pos, 2 + pos[1]); 30738bdfbf40SJouni Malinen p2p_len += 2 + pos[1]; 30748bdfbf40SJouni Malinen } 30758bdfbf40SJouni Malinen pos += 2 + pos[1]; 30768bdfbf40SJouni Malinen } 30778bdfbf40SJouni Malinen 3078334234b5SVasanthakumar Thiagarajan ret = ath6kl_wmi_send_probe_response_cmd(ar->wmi, vif->fw_vif_idx, freq, 3079334234b5SVasanthakumar Thiagarajan mgmt->da, p2p, p2p_len); 30808bdfbf40SJouni Malinen kfree(p2p); 30818bdfbf40SJouni Malinen return ret; 30828bdfbf40SJouni Malinen } 30838bdfbf40SJouni Malinen 3084d0ff7383SNaveen Gangadharan static bool ath6kl_mgmt_powersave_ap(struct ath6kl_vif *vif, 3085d0ff7383SNaveen Gangadharan u32 id, 3086d0ff7383SNaveen Gangadharan u32 freq, 3087d0ff7383SNaveen Gangadharan u32 wait, 3088d0ff7383SNaveen Gangadharan const u8 *buf, 3089d0ff7383SNaveen Gangadharan size_t len, 3090d0ff7383SNaveen Gangadharan bool *more_data, 3091d0ff7383SNaveen Gangadharan bool no_cck) 3092d0ff7383SNaveen Gangadharan { 3093d0ff7383SNaveen Gangadharan struct ieee80211_mgmt *mgmt; 3094d0ff7383SNaveen Gangadharan struct ath6kl_sta *conn; 3095d0ff7383SNaveen Gangadharan bool is_psq_empty = false; 3096d0ff7383SNaveen Gangadharan struct ath6kl_mgmt_buff *mgmt_buf; 3097d0ff7383SNaveen Gangadharan size_t mgmt_buf_size; 3098d0ff7383SNaveen Gangadharan struct ath6kl *ar = vif->ar; 3099d0ff7383SNaveen Gangadharan 3100d0ff7383SNaveen Gangadharan mgmt = (struct ieee80211_mgmt *) buf; 3101d0ff7383SNaveen Gangadharan if (is_multicast_ether_addr(mgmt->da)) 3102d0ff7383SNaveen Gangadharan return false; 3103d0ff7383SNaveen Gangadharan 3104d0ff7383SNaveen Gangadharan conn = ath6kl_find_sta(vif, mgmt->da); 3105d0ff7383SNaveen Gangadharan if (!conn) 3106d0ff7383SNaveen Gangadharan return false; 3107d0ff7383SNaveen Gangadharan 3108d0ff7383SNaveen Gangadharan if (conn->sta_flags & STA_PS_SLEEP) { 3109d0ff7383SNaveen Gangadharan if (!(conn->sta_flags & STA_PS_POLLED)) { 3110d0ff7383SNaveen Gangadharan /* Queue the frames if the STA is sleeping */ 3111d0ff7383SNaveen Gangadharan mgmt_buf_size = len + sizeof(struct ath6kl_mgmt_buff); 3112d0ff7383SNaveen Gangadharan mgmt_buf = kmalloc(mgmt_buf_size, GFP_KERNEL); 3113d0ff7383SNaveen Gangadharan if (!mgmt_buf) 3114d0ff7383SNaveen Gangadharan return false; 3115d0ff7383SNaveen Gangadharan 3116d0ff7383SNaveen Gangadharan INIT_LIST_HEAD(&mgmt_buf->list); 3117d0ff7383SNaveen Gangadharan mgmt_buf->id = id; 3118d0ff7383SNaveen Gangadharan mgmt_buf->freq = freq; 3119d0ff7383SNaveen Gangadharan mgmt_buf->wait = wait; 3120d0ff7383SNaveen Gangadharan mgmt_buf->len = len; 3121d0ff7383SNaveen Gangadharan mgmt_buf->no_cck = no_cck; 3122d0ff7383SNaveen Gangadharan memcpy(mgmt_buf->buf, buf, len); 3123d0ff7383SNaveen Gangadharan spin_lock_bh(&conn->psq_lock); 3124d0ff7383SNaveen Gangadharan is_psq_empty = skb_queue_empty(&conn->psq) && 3125d0ff7383SNaveen Gangadharan (conn->mgmt_psq_len == 0); 3126d0ff7383SNaveen Gangadharan list_add_tail(&mgmt_buf->list, &conn->mgmt_psq); 3127d0ff7383SNaveen Gangadharan conn->mgmt_psq_len++; 3128d0ff7383SNaveen Gangadharan spin_unlock_bh(&conn->psq_lock); 3129d0ff7383SNaveen Gangadharan 3130d0ff7383SNaveen Gangadharan /* 3131d0ff7383SNaveen Gangadharan * If this is the first pkt getting queued 3132d0ff7383SNaveen Gangadharan * for this STA, update the PVB for this 3133d0ff7383SNaveen Gangadharan * STA. 3134d0ff7383SNaveen Gangadharan */ 3135d0ff7383SNaveen Gangadharan if (is_psq_empty) 3136d0ff7383SNaveen Gangadharan ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx, 3137d0ff7383SNaveen Gangadharan conn->aid, 1); 3138d0ff7383SNaveen Gangadharan return true; 3139d0ff7383SNaveen Gangadharan } 3140d0ff7383SNaveen Gangadharan 3141d0ff7383SNaveen Gangadharan /* 3142d0ff7383SNaveen Gangadharan * This tx is because of a PsPoll. 3143d0ff7383SNaveen Gangadharan * Determine if MoreData bit has to be set. 3144d0ff7383SNaveen Gangadharan */ 3145d0ff7383SNaveen Gangadharan spin_lock_bh(&conn->psq_lock); 3146d0ff7383SNaveen Gangadharan if (!skb_queue_empty(&conn->psq) || (conn->mgmt_psq_len != 0)) 3147d0ff7383SNaveen Gangadharan *more_data = true; 3148d0ff7383SNaveen Gangadharan spin_unlock_bh(&conn->psq_lock); 3149d0ff7383SNaveen Gangadharan } 3150d0ff7383SNaveen Gangadharan 3151d0ff7383SNaveen Gangadharan return false; 3152d0ff7383SNaveen Gangadharan } 3153d0ff7383SNaveen Gangadharan 3154c86e4f44SAarthi Thiruvengadam /* Check if SSID length is greater than DIRECT- */ 3155c86e4f44SAarthi Thiruvengadam static bool ath6kl_is_p2p_go_ssid(const u8 *buf, size_t len) 3156c86e4f44SAarthi Thiruvengadam { 3157c86e4f44SAarthi Thiruvengadam const struct ieee80211_mgmt *mgmt; 3158c86e4f44SAarthi Thiruvengadam mgmt = (const struct ieee80211_mgmt *) buf; 3159c86e4f44SAarthi Thiruvengadam 3160c86e4f44SAarthi Thiruvengadam /* variable[1] contains the SSID tag length */ 3161c86e4f44SAarthi Thiruvengadam if (buf + len >= &mgmt->u.probe_resp.variable[1] && 3162c86e4f44SAarthi Thiruvengadam (mgmt->u.probe_resp.variable[1] > P2P_WILDCARD_SSID_LEN)) { 3163c86e4f44SAarthi Thiruvengadam return true; 3164c86e4f44SAarthi Thiruvengadam } 3165c86e4f44SAarthi Thiruvengadam 3166c86e4f44SAarthi Thiruvengadam return false; 3167c86e4f44SAarthi Thiruvengadam } 3168c86e4f44SAarthi Thiruvengadam 316971bbc994SJohannes Berg static int ath6kl_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, 3170b176e629SAndrei Otcheretianski struct cfg80211_mgmt_tx_params *params, u64 *cookie) 31718a6c8060SJouni Malinen { 317271bbc994SJohannes Berg struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); 317371bbc994SJohannes Berg struct ath6kl *ar = ath6kl_priv(vif->ndev); 3174b176e629SAndrei Otcheretianski struct ieee80211_channel *chan = params->chan; 3175b176e629SAndrei Otcheretianski const u8 *buf = params->buf; 3176b176e629SAndrei Otcheretianski size_t len = params->len; 3177b176e629SAndrei Otcheretianski unsigned int wait = params->wait; 3178b176e629SAndrei Otcheretianski bool no_cck = params->no_cck; 3179bfd634d0SAntonio Quartulli u32 id, freq; 31808bdfbf40SJouni Malinen const struct ieee80211_mgmt *mgmt; 3181d0ff7383SNaveen Gangadharan bool more_data, queued; 31828bdfbf40SJouni Malinen 3183bfd634d0SAntonio Quartulli /* default to the current channel, but use the one specified as argument 3184bfd634d0SAntonio Quartulli * if any 3185bfd634d0SAntonio Quartulli */ 3186bfd634d0SAntonio Quartulli freq = vif->ch_hint; 3187bfd634d0SAntonio Quartulli if (chan) 3188bfd634d0SAntonio Quartulli freq = chan->center_freq; 3189bfd634d0SAntonio Quartulli 3190bfd634d0SAntonio Quartulli /* never send freq zero to the firmware */ 3191bfd634d0SAntonio Quartulli if (WARN_ON(freq == 0)) 3192bfd634d0SAntonio Quartulli return -EINVAL; 3193bfd634d0SAntonio Quartulli 31948bdfbf40SJouni Malinen mgmt = (const struct ieee80211_mgmt *) buf; 3195c86e4f44SAarthi Thiruvengadam if (vif->nw_type == AP_NETWORK && test_bit(CONNECTED, &vif->flags) && 3196c86e4f44SAarthi Thiruvengadam ieee80211_is_probe_resp(mgmt->frame_control) && 3197c86e4f44SAarthi Thiruvengadam ath6kl_is_p2p_go_ssid(buf, len)) { 31988bdfbf40SJouni Malinen /* 3199c86e4f44SAarthi Thiruvengadam * Send Probe Response frame in GO mode using a separate WMI 32008bdfbf40SJouni Malinen * command to allow the target to fill in the generic IEs. 32018bdfbf40SJouni Malinen */ 32028bdfbf40SJouni Malinen *cookie = 0; /* TX status not supported */ 3203bfd634d0SAntonio Quartulli return ath6kl_send_go_probe_resp(vif, buf, len, freq); 32048bdfbf40SJouni Malinen } 32058a6c8060SJouni Malinen 3206cf5333d7SVasanthakumar Thiagarajan id = vif->send_action_id++; 32078a6c8060SJouni Malinen if (id == 0) { 32088a6c8060SJouni Malinen /* 32098a6c8060SJouni Malinen * 0 is a reserved value in the WMI command and shall not be 32108a6c8060SJouni Malinen * used for the command. 32118a6c8060SJouni Malinen */ 3212cf5333d7SVasanthakumar Thiagarajan id = vif->send_action_id++; 32138a6c8060SJouni Malinen } 32148a6c8060SJouni Malinen 32158a6c8060SJouni Malinen *cookie = id; 32163ca9d1fcSAarthi Thiruvengadam 3217d0ff7383SNaveen Gangadharan /* AP mode Power saving processing */ 3218d0ff7383SNaveen Gangadharan if (vif->nw_type == AP_NETWORK) { 3219bfd634d0SAntonio Quartulli queued = ath6kl_mgmt_powersave_ap(vif, id, freq, wait, buf, len, 3220bfd634d0SAntonio Quartulli &more_data, no_cck); 3221d0ff7383SNaveen Gangadharan if (queued) 3222d0ff7383SNaveen Gangadharan return 0; 3223d0ff7383SNaveen Gangadharan } 3224d0ff7383SNaveen Gangadharan 3225bfd634d0SAntonio Quartulli return ath6kl_wmi_send_mgmt_cmd(ar->wmi, vif->fw_vif_idx, id, freq, 3226bfd634d0SAntonio Quartulli wait, buf, len, no_cck); 32273ca9d1fcSAarthi Thiruvengadam } 32288a6c8060SJouni Malinen 3229ae32c30aSJouni Malinen static void ath6kl_mgmt_frame_register(struct wiphy *wiphy, 323071bbc994SJohannes Berg struct wireless_dev *wdev, 3231ae32c30aSJouni Malinen u16 frame_type, bool reg) 3232ae32c30aSJouni Malinen { 323371bbc994SJohannes Berg struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); 3234ae32c30aSJouni Malinen 3235ae32c30aSJouni Malinen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: frame_type=0x%x reg=%d\n", 3236ae32c30aSJouni Malinen __func__, frame_type, reg); 3237ae32c30aSJouni Malinen if (frame_type == IEEE80211_STYPE_PROBE_REQ) { 3238ae32c30aSJouni Malinen /* 3239ae32c30aSJouni Malinen * Note: This notification callback is not allowed to sleep, so 3240ae32c30aSJouni Malinen * we cannot send WMI_PROBE_REQ_REPORT_CMD here. Instead, we 3241ae32c30aSJouni Malinen * hardcode target to report Probe Request frames all the time. 3242ae32c30aSJouni Malinen */ 3243cf5333d7SVasanthakumar Thiagarajan vif->probe_req_report = reg; 3244ae32c30aSJouni Malinen } 3245ae32c30aSJouni Malinen } 3246ae32c30aSJouni Malinen 324710509f90SKalle Valo static int ath6kl_cfg80211_sscan_start(struct wiphy *wiphy, 324810509f90SKalle Valo struct net_device *dev, 324910509f90SKalle Valo struct cfg80211_sched_scan_request *request) 325010509f90SKalle Valo { 325110509f90SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 325210509f90SKalle Valo struct ath6kl_vif *vif = netdev_priv(dev); 325310509f90SKalle Valo u16 interval; 325485b20fc2SThomas Pedersen int ret, rssi_thold; 3255ea73cbceSJohannes Berg int n_match_sets = request->n_match_sets; 3256ea73cbceSJohannes Berg 3257ea73cbceSJohannes Berg /* 3258ea73cbceSJohannes Berg * If there's a matchset w/o an SSID, then assume it's just for 3259ea73cbceSJohannes Berg * the RSSI (nothing else is currently supported) and ignore it. 3260ea73cbceSJohannes Berg * The device only supports a global RSSI filter that we set below. 3261ea73cbceSJohannes Berg */ 3262ea73cbceSJohannes Berg if (n_match_sets == 1 && !request->match_sets[0].ssid.ssid_len) 3263ea73cbceSJohannes Berg n_match_sets = 0; 326410509f90SKalle Valo 326510509f90SKalle Valo if (ar->state != ATH6KL_STATE_ON) 326610509f90SKalle Valo return -EIO; 326710509f90SKalle Valo 326810509f90SKalle Valo if (vif->sme_state != SME_DISCONNECTED) 326910509f90SKalle Valo return -EBUSY; 327010509f90SKalle Valo 3271b4d13d3bSKalle Valo ath6kl_cfg80211_scan_complete_event(vif, true); 3272b4d13d3bSKalle Valo 32733b8ffc6aSJouni Malinen ret = ath6kl_set_probed_ssids(ar, vif, request->ssids, 3274dd45b759SNaveen Singh request->n_ssids, 3275dd45b759SNaveen Singh request->match_sets, 3276ea73cbceSJohannes Berg n_match_sets); 32773b8ffc6aSJouni Malinen if (ret < 0) 32783b8ffc6aSJouni Malinen return ret; 327910509f90SKalle Valo 3280ea73cbceSJohannes Berg if (!n_match_sets) { 3281dd45b759SNaveen Singh ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 3282dd45b759SNaveen Singh ALL_BSS_FILTER, 0); 3283dd45b759SNaveen Singh if (ret < 0) 3284dd45b759SNaveen Singh return ret; 3285dd45b759SNaveen Singh } else { 3286dd45b759SNaveen Singh ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 3287dd45b759SNaveen Singh MATCHED_SSID_FILTER, 0); 3288dd45b759SNaveen Singh if (ret < 0) 3289dd45b759SNaveen Singh return ret; 3290dd45b759SNaveen Singh } 3291dd45b759SNaveen Singh 329285b20fc2SThomas Pedersen if (test_bit(ATH6KL_FW_CAPABILITY_RSSI_SCAN_THOLD, 329385b20fc2SThomas Pedersen ar->fw_capabilities)) { 3294ea73cbceSJohannes Berg if (request->min_rssi_thold <= NL80211_SCAN_RSSI_THOLD_OFF) 329585b20fc2SThomas Pedersen rssi_thold = 0; 3296ea73cbceSJohannes Berg else if (request->min_rssi_thold < -127) 329785b20fc2SThomas Pedersen rssi_thold = -127; 329885b20fc2SThomas Pedersen else 3299ea73cbceSJohannes Berg rssi_thold = request->min_rssi_thold; 330085b20fc2SThomas Pedersen 330185b20fc2SThomas Pedersen ret = ath6kl_wmi_set_rssi_filter_cmd(ar->wmi, vif->fw_vif_idx, 330285b20fc2SThomas Pedersen rssi_thold); 330385b20fc2SThomas Pedersen if (ret) { 330485b20fc2SThomas Pedersen ath6kl_err("failed to set RSSI threshold for scan\n"); 330585b20fc2SThomas Pedersen return ret; 330685b20fc2SThomas Pedersen } 330785b20fc2SThomas Pedersen } 330885b20fc2SThomas Pedersen 330910509f90SKalle Valo /* fw uses seconds, also make sure that it's >0 */ 331010509f90SKalle Valo interval = max_t(u16, 1, request->interval / 1000); 331110509f90SKalle Valo 331210509f90SKalle Valo ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 331310509f90SKalle Valo interval, interval, 3314d472b5e4SSubramania Sharma Thandaveswaran vif->bg_scan_period, 0, 0, 0, 3, 0, 0, 0); 331510509f90SKalle Valo 331610509f90SKalle Valo /* this also clears IE in fw if it's not set */ 331710509f90SKalle Valo ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 331810509f90SKalle Valo WMI_FRAME_PROBE_REQ, 331910509f90SKalle Valo request->ie, request->ie_len); 332010509f90SKalle Valo if (ret) { 3321f1ff32e8SJoe Perches ath6kl_warn("Failed to set probe request IE for scheduled scan: %d\n", 332210509f90SKalle Valo ret); 332310509f90SKalle Valo return ret; 332410509f90SKalle Valo } 332510509f90SKalle Valo 3326b1f47e3aSThomas Pedersen ret = ath6kl_wmi_enable_sched_scan_cmd(ar->wmi, vif->fw_vif_idx, true); 3327b1f47e3aSThomas Pedersen if (ret) 332810509f90SKalle Valo return ret; 332910509f90SKalle Valo 3330b1f47e3aSThomas Pedersen set_bit(SCHED_SCANNING, &vif->flags); 333110509f90SKalle Valo 3332b1f47e3aSThomas Pedersen return 0; 333310509f90SKalle Valo } 333410509f90SKalle Valo 333510509f90SKalle Valo static int ath6kl_cfg80211_sscan_stop(struct wiphy *wiphy, 333610509f90SKalle Valo struct net_device *dev) 333710509f90SKalle Valo { 333810509f90SKalle Valo struct ath6kl_vif *vif = netdev_priv(dev); 333910509f90SKalle Valo bool stopped; 334010509f90SKalle Valo 334110509f90SKalle Valo stopped = __ath6kl_cfg80211_sscan_stop(vif); 334210509f90SKalle Valo 334310509f90SKalle Valo if (!stopped) 334410509f90SKalle Valo return -EIO; 334510509f90SKalle Valo 334610509f90SKalle Valo return 0; 334710509f90SKalle Valo } 334810509f90SKalle Valo 334906e360acSBala Shanmugam static int ath6kl_cfg80211_set_bitrate(struct wiphy *wiphy, 335006e360acSBala Shanmugam struct net_device *dev, 335106e360acSBala Shanmugam const u8 *addr, 335206e360acSBala Shanmugam const struct cfg80211_bitrate_mask *mask) 335306e360acSBala Shanmugam { 335406e360acSBala Shanmugam struct ath6kl *ar = ath6kl_priv(dev); 335506e360acSBala Shanmugam struct ath6kl_vif *vif = netdev_priv(dev); 335606e360acSBala Shanmugam 335706e360acSBala Shanmugam return ath6kl_wmi_set_bitrate_mask(ar->wmi, vif->fw_vif_idx, 335806e360acSBala Shanmugam mask); 335906e360acSBala Shanmugam } 336006e360acSBala Shanmugam 3361279b2862SThomas Pedersen static int ath6kl_cfg80211_set_txe_config(struct wiphy *wiphy, 3362279b2862SThomas Pedersen struct net_device *dev, 3363279b2862SThomas Pedersen u32 rate, u32 pkts, u32 intvl) 3364279b2862SThomas Pedersen { 3365279b2862SThomas Pedersen struct ath6kl *ar = ath6kl_priv(dev); 3366279b2862SThomas Pedersen struct ath6kl_vif *vif = netdev_priv(dev); 3367279b2862SThomas Pedersen 3368279b2862SThomas Pedersen if (vif->nw_type != INFRA_NETWORK || 3369279b2862SThomas Pedersen !test_bit(ATH6KL_FW_CAPABILITY_TX_ERR_NOTIFY, ar->fw_capabilities)) 3370279b2862SThomas Pedersen return -EOPNOTSUPP; 3371279b2862SThomas Pedersen 3372279b2862SThomas Pedersen if (vif->sme_state != SME_CONNECTED) 3373279b2862SThomas Pedersen return -ENOTCONN; 3374279b2862SThomas Pedersen 3375279b2862SThomas Pedersen /* save this since the firmware won't report the interval */ 3376279b2862SThomas Pedersen vif->txe_intvl = intvl; 3377279b2862SThomas Pedersen 3378279b2862SThomas Pedersen return ath6kl_wmi_set_txe_notify(ar->wmi, vif->fw_vif_idx, 3379279b2862SThomas Pedersen rate, pkts, intvl); 3380279b2862SThomas Pedersen } 3381279b2862SThomas Pedersen 3382f80574aeSJouni Malinen static const struct ieee80211_txrx_stypes 3383f80574aeSJouni Malinen ath6kl_mgmt_stypes[NUM_NL80211_IFTYPES] = { 3384f80574aeSJouni Malinen [NL80211_IFTYPE_STATION] = { 3385f80574aeSJouni Malinen .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3386f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 3387f80574aeSJouni Malinen .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3388f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 3389f80574aeSJouni Malinen }, 3390ba1f6fe3SJouni Malinen [NL80211_IFTYPE_AP] = { 3391ba1f6fe3SJouni Malinen .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3392ba1f6fe3SJouni Malinen BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 3393ba1f6fe3SJouni Malinen .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3394ba1f6fe3SJouni Malinen BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 3395ba1f6fe3SJouni Malinen }, 3396f80574aeSJouni Malinen [NL80211_IFTYPE_P2P_CLIENT] = { 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 [NL80211_IFTYPE_P2P_GO] = { 3403f80574aeSJouni Malinen .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3404f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 3405f80574aeSJouni Malinen .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3406f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 3407f80574aeSJouni Malinen }, 3408f80574aeSJouni Malinen }; 3409f80574aeSJouni Malinen 3410bdcd8170SKalle Valo static struct cfg80211_ops ath6kl_cfg80211_ops = { 341155055976SVasanthakumar Thiagarajan .add_virtual_intf = ath6kl_cfg80211_add_iface, 341255055976SVasanthakumar Thiagarajan .del_virtual_intf = ath6kl_cfg80211_del_iface, 3413bdcd8170SKalle Valo .change_virtual_intf = ath6kl_cfg80211_change_iface, 3414bdcd8170SKalle Valo .scan = ath6kl_cfg80211_scan, 3415bdcd8170SKalle Valo .connect = ath6kl_cfg80211_connect, 3416bdcd8170SKalle Valo .disconnect = ath6kl_cfg80211_disconnect, 3417bdcd8170SKalle Valo .add_key = ath6kl_cfg80211_add_key, 3418bdcd8170SKalle Valo .get_key = ath6kl_cfg80211_get_key, 3419bdcd8170SKalle Valo .del_key = ath6kl_cfg80211_del_key, 3420bdcd8170SKalle Valo .set_default_key = ath6kl_cfg80211_set_default_key, 3421bdcd8170SKalle Valo .set_wiphy_params = ath6kl_cfg80211_set_wiphy_params, 3422bdcd8170SKalle Valo .set_tx_power = ath6kl_cfg80211_set_txpower, 3423bdcd8170SKalle Valo .get_tx_power = ath6kl_cfg80211_get_txpower, 3424bdcd8170SKalle Valo .set_power_mgmt = ath6kl_cfg80211_set_power_mgmt, 3425bdcd8170SKalle Valo .join_ibss = ath6kl_cfg80211_join_ibss, 3426bdcd8170SKalle Valo .leave_ibss = ath6kl_cfg80211_leave_ibss, 3427bdcd8170SKalle Valo .get_station = ath6kl_get_station, 3428bdcd8170SKalle Valo .set_pmksa = ath6kl_set_pmksa, 3429bdcd8170SKalle Valo .del_pmksa = ath6kl_del_pmksa, 3430bdcd8170SKalle Valo .flush_pmksa = ath6kl_flush_pmksa, 3431003353b0SKalle Valo CFG80211_TESTMODE_CMD(ath6kl_tm_cmd) 3432abcb344bSKalle Valo #ifdef CONFIG_PM 343352d81a68SKalle Valo .suspend = __ath6kl_cfg80211_suspend, 343452d81a68SKalle Valo .resume = __ath6kl_cfg80211_resume, 3435abcb344bSKalle Valo #endif 34368860020eSJohannes Berg .start_ap = ath6kl_start_ap, 34378860020eSJohannes Berg .change_beacon = ath6kl_change_beacon, 34388860020eSJohannes Berg .stop_ap = ath6kl_stop_ap, 343933e5308dSJouni Malinen .del_station = ath6kl_del_station, 344023875136SJouni Malinen .change_station = ath6kl_change_station, 344163fa1e0cSJouni Malinen .remain_on_channel = ath6kl_remain_on_channel, 344263fa1e0cSJouni Malinen .cancel_remain_on_channel = ath6kl_cancel_remain_on_channel, 34438a6c8060SJouni Malinen .mgmt_tx = ath6kl_mgmt_tx, 3444ae32c30aSJouni Malinen .mgmt_frame_register = ath6kl_mgmt_frame_register, 344510509f90SKalle Valo .sched_scan_start = ath6kl_cfg80211_sscan_start, 344610509f90SKalle Valo .sched_scan_stop = ath6kl_cfg80211_sscan_stop, 344706e360acSBala Shanmugam .set_bitrate_mask = ath6kl_cfg80211_set_bitrate, 3448279b2862SThomas Pedersen .set_cqm_txe_config = ath6kl_cfg80211_set_txe_config, 3449bdcd8170SKalle Valo }; 3450bdcd8170SKalle Valo 34517125f01dSKalle Valo void ath6kl_cfg80211_stop(struct ath6kl_vif *vif) 3452ec4b7f60SKalle Valo { 345310509f90SKalle Valo ath6kl_cfg80211_sscan_disable(vif); 345410509f90SKalle Valo 3455ec4b7f60SKalle Valo switch (vif->sme_state) { 3456c97a31b0SKalle Valo case SME_DISCONNECTED: 3457c97a31b0SKalle Valo break; 3458ec4b7f60SKalle Valo case SME_CONNECTING: 3459ec4b7f60SKalle Valo cfg80211_connect_result(vif->ndev, vif->bssid, NULL, 0, 3460ec4b7f60SKalle Valo NULL, 0, 3461ec4b7f60SKalle Valo WLAN_STATUS_UNSPECIFIED_FAILURE, 3462ec4b7f60SKalle Valo GFP_KERNEL); 3463ec4b7f60SKalle Valo break; 3464ec4b7f60SKalle Valo case SME_CONNECTED: 3465ec4b7f60SKalle Valo cfg80211_disconnected(vif->ndev, 0, NULL, 0, GFP_KERNEL); 3466ec4b7f60SKalle Valo break; 3467ec4b7f60SKalle Valo } 3468ec4b7f60SKalle Valo 346958109df6SVasanthakumar Thiagarajan if (vif->ar->state != ATH6KL_STATE_RECOVERY && 347058109df6SVasanthakumar Thiagarajan (test_bit(CONNECTED, &vif->flags) || 347158109df6SVasanthakumar Thiagarajan test_bit(CONNECT_PEND, &vif->flags))) 34727125f01dSKalle Valo ath6kl_wmi_disconnect_cmd(vif->ar->wmi, vif->fw_vif_idx); 3473ec4b7f60SKalle Valo 3474ec4b7f60SKalle Valo vif->sme_state = SME_DISCONNECTED; 34751f405255SKalle Valo clear_bit(CONNECTED, &vif->flags); 34761f405255SKalle Valo clear_bit(CONNECT_PEND, &vif->flags); 3477ec4b7f60SKalle Valo 347884caf800SVasanthakumar Thiagarajan /* Stop netdev queues, needed during recovery */ 347984caf800SVasanthakumar Thiagarajan netif_stop_queue(vif->ndev); 348084caf800SVasanthakumar Thiagarajan netif_carrier_off(vif->ndev); 348184caf800SVasanthakumar Thiagarajan 3482ec4b7f60SKalle Valo /* disable scanning */ 348358109df6SVasanthakumar Thiagarajan if (vif->ar->state != ATH6KL_STATE_RECOVERY && 348458109df6SVasanthakumar Thiagarajan ath6kl_wmi_scanparams_cmd(vif->ar->wmi, vif->fw_vif_idx, 0xFFFF, 34857125f01dSKalle Valo 0, 0, 0, 0, 0, 0, 0, 0, 0) != 0) 34867125f01dSKalle Valo ath6kl_warn("failed to disable scan during stop\n"); 3487ec4b7f60SKalle Valo 3488ec4b7f60SKalle Valo ath6kl_cfg80211_scan_complete_event(vif, true); 3489ec4b7f60SKalle Valo } 3490ec4b7f60SKalle Valo 34917125f01dSKalle Valo void ath6kl_cfg80211_stop_all(struct ath6kl *ar) 34927125f01dSKalle Valo { 34937125f01dSKalle Valo struct ath6kl_vif *vif; 34947125f01dSKalle Valo 34957125f01dSKalle Valo vif = ath6kl_vif_first(ar); 349684caf800SVasanthakumar Thiagarajan if (!vif && ar->state != ATH6KL_STATE_RECOVERY) { 34977125f01dSKalle Valo /* save the current power mode before enabling power save */ 34987125f01dSKalle Valo ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode; 34997125f01dSKalle Valo 35007125f01dSKalle Valo if (ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER) != 0) 3501cdeb8602SKalle Valo ath6kl_warn("ath6kl_deep_sleep_enable: wmi_powermode_cmd failed\n"); 35027125f01dSKalle Valo return; 35037125f01dSKalle Valo } 35047125f01dSKalle Valo 35057125f01dSKalle Valo /* 35067125f01dSKalle Valo * FIXME: we should take ar->list_lock to protect changes in the 35077125f01dSKalle Valo * vif_list, but that's not trivial to do as ath6kl_cfg80211_stop() 35087125f01dSKalle Valo * sleeps. 35097125f01dSKalle Valo */ 35107125f01dSKalle Valo list_for_each_entry(vif, &ar->vif_list, list) 35117125f01dSKalle Valo ath6kl_cfg80211_stop(vif); 35127125f01dSKalle Valo } 35137125f01dSKalle Valo 35140c0280bdSLuis R. Rodriguez static void ath6kl_cfg80211_reg_notify(struct wiphy *wiphy, 351584841ba2SKalle Valo struct regulatory_request *request) 351684841ba2SKalle Valo { 351784841ba2SKalle Valo struct ath6kl *ar = wiphy_priv(wiphy); 351884841ba2SKalle Valo u32 rates[IEEE80211_NUM_BANDS]; 351984841ba2SKalle Valo int ret, i; 352084841ba2SKalle Valo 352184841ba2SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 3522ff7e6867SKalle Valo "cfg reg_notify %c%c%s%s initiator %d hint_type %d\n", 352384841ba2SKalle Valo request->alpha2[0], request->alpha2[1], 352484841ba2SKalle Valo request->intersect ? " intersect" : "", 352584841ba2SKalle Valo request->processed ? " processed" : "", 3526ff7e6867SKalle Valo request->initiator, request->user_reg_hint_type); 3527ff7e6867SKalle Valo 3528ff7e6867SKalle Valo if (request->user_reg_hint_type != NL80211_USER_REG_HINT_CELL_BASE) 35290c0280bdSLuis R. Rodriguez return; 353084841ba2SKalle Valo 353184841ba2SKalle Valo ret = ath6kl_wmi_set_regdomain_cmd(ar->wmi, request->alpha2); 353284841ba2SKalle Valo if (ret) { 353384841ba2SKalle Valo ath6kl_err("failed to set regdomain: %d\n", ret); 35340c0280bdSLuis R. Rodriguez return; 353584841ba2SKalle Valo } 353684841ba2SKalle Valo 353784841ba2SKalle Valo /* 353884841ba2SKalle Valo * Firmware will apply the regdomain change only after a scan is 353984841ba2SKalle Valo * issued and it will send a WMI_REGDOMAIN_EVENTID when it has been 354084841ba2SKalle Valo * changed. 354184841ba2SKalle Valo */ 354284841ba2SKalle Valo 354384841ba2SKalle Valo for (i = 0; i < IEEE80211_NUM_BANDS; i++) 354484841ba2SKalle Valo if (wiphy->bands[i]) 354584841ba2SKalle Valo rates[i] = (1 << wiphy->bands[i]->n_bitrates) - 1; 354684841ba2SKalle Valo 354784841ba2SKalle Valo 354884841ba2SKalle Valo ret = ath6kl_wmi_beginscan_cmd(ar->wmi, 0, WMI_LONG_SCAN, false, 354984841ba2SKalle Valo false, 0, ATH6KL_FG_SCAN_INTERVAL, 355084841ba2SKalle Valo 0, NULL, false, rates); 355184841ba2SKalle Valo if (ret) { 355284841ba2SKalle Valo ath6kl_err("failed to start scan for a regdomain change: %d\n", 355384841ba2SKalle Valo ret); 35540c0280bdSLuis R. Rodriguez return; 355584841ba2SKalle Valo } 355684841ba2SKalle Valo } 355784841ba2SKalle Valo 3558c25889e8SKalle Valo static int ath6kl_cfg80211_vif_init(struct ath6kl_vif *vif) 35598dafb70eSVasanthakumar Thiagarajan { 35607baef812SVasanthakumar Thiagarajan vif->aggr_cntxt = aggr_init(vif); 35612132c69cSVasanthakumar Thiagarajan if (!vif->aggr_cntxt) { 35628dafb70eSVasanthakumar Thiagarajan ath6kl_err("failed to initialize aggr\n"); 35638dafb70eSVasanthakumar Thiagarajan return -ENOMEM; 35648dafb70eSVasanthakumar Thiagarajan } 35658dafb70eSVasanthakumar Thiagarajan 3566de3ad713SVasanthakumar Thiagarajan setup_timer(&vif->disconnect_timer, disconnect_timer_handler, 3567108438bcSVasanthakumar Thiagarajan (unsigned long) vif->ndev); 356810509f90SKalle Valo setup_timer(&vif->sched_scan_timer, ath6kl_wmi_sscan_timer, 356910509f90SKalle Valo (unsigned long) vif); 357010509f90SKalle Valo 3571de3ad713SVasanthakumar Thiagarajan set_bit(WMM_ENABLED, &vif->flags); 3572478ac027SVasanthakumar Thiagarajan spin_lock_init(&vif->if_lock); 35738dafb70eSVasanthakumar Thiagarajan 357480abaf9bSVasanthakumar Thiagarajan INIT_LIST_HEAD(&vif->mc_filter); 357580abaf9bSVasanthakumar Thiagarajan 35768dafb70eSVasanthakumar Thiagarajan return 0; 35778dafb70eSVasanthakumar Thiagarajan } 35788dafb70eSVasanthakumar Thiagarajan 3579355b3a98SMohammed Shafi Shajakhan void ath6kl_cfg80211_vif_stop(struct ath6kl_vif *vif, bool wmi_ready) 3580355b3a98SMohammed Shafi Shajakhan { 3581355b3a98SMohammed Shafi Shajakhan static u8 bcast_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; 3582355b3a98SMohammed Shafi Shajakhan bool discon_issued; 3583355b3a98SMohammed Shafi Shajakhan 3584355b3a98SMohammed Shafi Shajakhan netif_stop_queue(vif->ndev); 3585355b3a98SMohammed Shafi Shajakhan 3586355b3a98SMohammed Shafi Shajakhan clear_bit(WLAN_ENABLED, &vif->flags); 3587355b3a98SMohammed Shafi Shajakhan 3588355b3a98SMohammed Shafi Shajakhan if (wmi_ready) { 3589355b3a98SMohammed Shafi Shajakhan discon_issued = test_bit(CONNECTED, &vif->flags) || 3590355b3a98SMohammed Shafi Shajakhan test_bit(CONNECT_PEND, &vif->flags); 3591355b3a98SMohammed Shafi Shajakhan ath6kl_disconnect(vif); 3592355b3a98SMohammed Shafi Shajakhan del_timer(&vif->disconnect_timer); 3593355b3a98SMohammed Shafi Shajakhan 3594355b3a98SMohammed Shafi Shajakhan if (discon_issued) 3595355b3a98SMohammed Shafi Shajakhan ath6kl_disconnect_event(vif, DISCONNECT_CMD, 3596355b3a98SMohammed Shafi Shajakhan (vif->nw_type & AP_NETWORK) ? 3597355b3a98SMohammed Shafi Shajakhan bcast_mac : vif->bssid, 3598355b3a98SMohammed Shafi Shajakhan 0, NULL, 0); 3599355b3a98SMohammed Shafi Shajakhan } 3600355b3a98SMohammed Shafi Shajakhan 3601355b3a98SMohammed Shafi Shajakhan if (vif->scan_req) { 3602355b3a98SMohammed Shafi Shajakhan cfg80211_scan_done(vif->scan_req, true); 3603355b3a98SMohammed Shafi Shajakhan vif->scan_req = NULL; 3604355b3a98SMohammed Shafi Shajakhan } 3605355b3a98SMohammed Shafi Shajakhan 3606355b3a98SMohammed Shafi Shajakhan /* need to clean up enhanced bmiss detection fw state */ 3607355b3a98SMohammed Shafi Shajakhan ath6kl_cfg80211_sta_bmiss_enhance(vif, false); 3608355b3a98SMohammed Shafi Shajakhan } 3609355b3a98SMohammed Shafi Shajakhan 3610c25889e8SKalle Valo void ath6kl_cfg80211_vif_cleanup(struct ath6kl_vif *vif) 36118dafb70eSVasanthakumar Thiagarajan { 361255055976SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 361380abaf9bSVasanthakumar Thiagarajan struct ath6kl_mc_filter *mc_filter, *tmp; 361455055976SVasanthakumar Thiagarajan 36152132c69cSVasanthakumar Thiagarajan aggr_module_destroy(vif->aggr_cntxt); 3616108438bcSVasanthakumar Thiagarajan 361755055976SVasanthakumar Thiagarajan ar->avail_idx_map |= BIT(vif->fw_vif_idx); 361855055976SVasanthakumar Thiagarajan 361955055976SVasanthakumar Thiagarajan if (vif->nw_type == ADHOC_NETWORK) 362055055976SVasanthakumar Thiagarajan ar->ibss_if_active = false; 362155055976SVasanthakumar Thiagarajan 362280abaf9bSVasanthakumar Thiagarajan list_for_each_entry_safe(mc_filter, tmp, &vif->mc_filter, list) { 362380abaf9bSVasanthakumar Thiagarajan list_del(&mc_filter->list); 362480abaf9bSVasanthakumar Thiagarajan kfree(mc_filter); 362580abaf9bSVasanthakumar Thiagarajan } 362680abaf9bSVasanthakumar Thiagarajan 362727929723SVasanthakumar Thiagarajan unregister_netdevice(vif->ndev); 362855055976SVasanthakumar Thiagarajan 362955055976SVasanthakumar Thiagarajan ar->num_vif--; 36308dafb70eSVasanthakumar Thiagarajan } 36318dafb70eSVasanthakumar Thiagarajan 3632552bff0cSJohannes Berg struct wireless_dev *ath6kl_interface_add(struct ath6kl *ar, const char *name, 363384efbb84SJohannes Berg enum nl80211_iftype type, 363484efbb84SJohannes Berg u8 fw_vif_idx, u8 nw_type) 36358dafb70eSVasanthakumar Thiagarajan { 36368dafb70eSVasanthakumar Thiagarajan struct net_device *ndev; 3637108438bcSVasanthakumar Thiagarajan struct ath6kl_vif *vif; 36388dafb70eSVasanthakumar Thiagarajan 363955055976SVasanthakumar Thiagarajan ndev = alloc_netdev(sizeof(*vif), name, ether_setup); 36408dafb70eSVasanthakumar Thiagarajan if (!ndev) 36418dafb70eSVasanthakumar Thiagarajan return NULL; 36428dafb70eSVasanthakumar Thiagarajan 3643108438bcSVasanthakumar Thiagarajan vif = netdev_priv(ndev); 3644108438bcSVasanthakumar Thiagarajan ndev->ieee80211_ptr = &vif->wdev; 3645108438bcSVasanthakumar Thiagarajan vif->wdev.wiphy = ar->wiphy; 3646108438bcSVasanthakumar Thiagarajan vif->ar = ar; 3647108438bcSVasanthakumar Thiagarajan vif->ndev = ndev; 3648108438bcSVasanthakumar Thiagarajan SET_NETDEV_DEV(ndev, wiphy_dev(vif->wdev.wiphy)); 3649108438bcSVasanthakumar Thiagarajan vif->wdev.netdev = ndev; 3650108438bcSVasanthakumar Thiagarajan vif->wdev.iftype = type; 3651334234b5SVasanthakumar Thiagarajan vif->fw_vif_idx = fw_vif_idx; 3652d0d670abSKalle Valo vif->nw_type = nw_type; 3653d0d670abSKalle Valo vif->next_mode = nw_type; 36548f46fccdSRaja Mani vif->listen_intvl_t = ATH6KL_DEFAULT_LISTEN_INTVAL; 3655ce0dc0cfSRaja Mani vif->bmiss_time_t = ATH6KL_DEFAULT_BMISS_TIME; 3656eb38987eSRaja Mani vif->bg_scan_period = 0; 365767b3f129SKiran Reddy vif->htcap[IEEE80211_BAND_2GHZ].ht_enable = true; 365867b3f129SKiran Reddy vif->htcap[IEEE80211_BAND_5GHZ].ht_enable = true; 36598dafb70eSVasanthakumar Thiagarajan 366055055976SVasanthakumar Thiagarajan memcpy(ndev->dev_addr, ar->mac_addr, ETH_ALEN); 3661c95dcb59SAarthi Thiruvengadam if (fw_vif_idx != 0) { 366255055976SVasanthakumar Thiagarajan ndev->dev_addr[0] = (ndev->dev_addr[0] ^ (1 << fw_vif_idx)) | 366355055976SVasanthakumar Thiagarajan 0x2; 3664c95dcb59SAarthi Thiruvengadam if (test_bit(ATH6KL_FW_CAPABILITY_CUSTOM_MAC_ADDR, 3665c95dcb59SAarthi Thiruvengadam ar->fw_capabilities)) 3666c95dcb59SAarthi Thiruvengadam ndev->dev_addr[4] ^= 0x80; 3667c95dcb59SAarthi Thiruvengadam } 366855055976SVasanthakumar Thiagarajan 36698dafb70eSVasanthakumar Thiagarajan init_netdev(ndev); 36708dafb70eSVasanthakumar Thiagarajan 3671e29f25f5SVasanthakumar Thiagarajan ath6kl_init_control_info(vif); 36728dafb70eSVasanthakumar Thiagarajan 3673c25889e8SKalle Valo if (ath6kl_cfg80211_vif_init(vif)) 36748dafb70eSVasanthakumar Thiagarajan goto err; 36758dafb70eSVasanthakumar Thiagarajan 367627929723SVasanthakumar Thiagarajan if (register_netdevice(ndev)) 36778dafb70eSVasanthakumar Thiagarajan goto err; 36788dafb70eSVasanthakumar Thiagarajan 367955055976SVasanthakumar Thiagarajan ar->avail_idx_map &= ~BIT(fw_vif_idx); 368014ee6f6bSVasanthakumar Thiagarajan vif->sme_state = SME_DISCONNECTED; 368159c98449SVasanthakumar Thiagarajan set_bit(WLAN_ENABLED, &vif->flags); 36828dafb70eSVasanthakumar Thiagarajan ar->wlan_pwr_state = WLAN_POWER_STATE_ON; 36838dafb70eSVasanthakumar Thiagarajan 368455055976SVasanthakumar Thiagarajan if (type == NL80211_IFTYPE_ADHOC) 368555055976SVasanthakumar Thiagarajan ar->ibss_if_active = true; 368655055976SVasanthakumar Thiagarajan 368711f6e40dSVasanthakumar Thiagarajan spin_lock_bh(&ar->list_lock); 3688990bd915SVasanthakumar Thiagarajan list_add_tail(&vif->list, &ar->vif_list); 368911f6e40dSVasanthakumar Thiagarajan spin_unlock_bh(&ar->list_lock); 3690990bd915SVasanthakumar Thiagarajan 369184efbb84SJohannes Berg return &vif->wdev; 36928dafb70eSVasanthakumar Thiagarajan 36938dafb70eSVasanthakumar Thiagarajan err: 369427929723SVasanthakumar Thiagarajan aggr_module_destroy(vif->aggr_cntxt); 369527929723SVasanthakumar Thiagarajan free_netdev(ndev); 3696bdcd8170SKalle Valo return NULL; 3697bdcd8170SKalle Valo } 3698bdcd8170SKalle Valo 3699964dc9e2SJohannes Berg #ifdef CONFIG_PM 3700964dc9e2SJohannes Berg static const struct wiphy_wowlan_support ath6kl_wowlan_support = { 3701964dc9e2SJohannes Berg .flags = WIPHY_WOWLAN_MAGIC_PKT | 3702964dc9e2SJohannes Berg WIPHY_WOWLAN_DISCONNECT | 3703964dc9e2SJohannes Berg WIPHY_WOWLAN_GTK_REKEY_FAILURE | 3704964dc9e2SJohannes Berg WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | 3705964dc9e2SJohannes Berg WIPHY_WOWLAN_EAP_IDENTITY_REQ | 3706964dc9e2SJohannes Berg WIPHY_WOWLAN_4WAY_HANDSHAKE, 3707964dc9e2SJohannes Berg .n_patterns = WOW_MAX_FILTERS_PER_LIST, 3708964dc9e2SJohannes Berg .pattern_min_len = 1, 3709964dc9e2SJohannes Berg .pattern_max_len = WOW_PATTERN_SIZE, 3710964dc9e2SJohannes Berg }; 3711964dc9e2SJohannes Berg #endif 3712964dc9e2SJohannes Berg 371346d33a21SKalle Valo int ath6kl_cfg80211_init(struct ath6kl *ar) 371446d33a21SKalle Valo { 371546d33a21SKalle Valo struct wiphy *wiphy = ar->wiphy; 3716d92917e4SThomas Pedersen bool band_2gig = false, band_5gig = false, ht = false; 371746d33a21SKalle Valo int ret; 371846d33a21SKalle Valo 371946d33a21SKalle Valo wiphy->mgmt_stypes = ath6kl_mgmt_stypes; 372046d33a21SKalle Valo 372146d33a21SKalle Valo wiphy->max_remain_on_channel_duration = 5000; 372246d33a21SKalle Valo 372346d33a21SKalle Valo /* set device pointer for wiphy */ 372446d33a21SKalle Valo set_wiphy_dev(wiphy, ar->dev); 372546d33a21SKalle Valo 372646d33a21SKalle Valo wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 372746d33a21SKalle Valo BIT(NL80211_IFTYPE_ADHOC) | 372846d33a21SKalle Valo BIT(NL80211_IFTYPE_AP); 372946d33a21SKalle Valo if (ar->p2p) { 373046d33a21SKalle Valo wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_GO) | 373146d33a21SKalle Valo BIT(NL80211_IFTYPE_P2P_CLIENT); 373246d33a21SKalle Valo } 373346d33a21SKalle Valo 373484841ba2SKalle Valo if (config_enabled(CONFIG_ATH6KL_REGDOMAIN) && 3735ff7e6867SKalle Valo test_bit(ATH6KL_FW_CAPABILITY_REGDOMAIN, ar->fw_capabilities)) { 373684841ba2SKalle Valo wiphy->reg_notifier = ath6kl_cfg80211_reg_notify; 3737ff7e6867SKalle Valo ar->wiphy->features |= NL80211_FEATURE_CELL_BASE_REG_HINTS; 3738ff7e6867SKalle Valo } 373984841ba2SKalle Valo 374046d33a21SKalle Valo /* max num of ssids that can be probed during scanning */ 37418ab5415dSJouni Malinen wiphy->max_scan_ssids = MAX_PROBED_SSIDS; 3742dd45b759SNaveen Singh 3743dd45b759SNaveen Singh /* max num of ssids that can be matched after scan */ 3744dd45b759SNaveen Singh if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_MATCH_LIST, 3745dd45b759SNaveen Singh ar->fw_capabilities)) 3746dd45b759SNaveen Singh wiphy->max_match_sets = MAX_PROBED_SSIDS; 3747dd45b759SNaveen Singh 374846d33a21SKalle Valo wiphy->max_scan_ie_len = 1000; /* FIX: what is correct limit? */ 3749d92917e4SThomas Pedersen switch (ar->hw.cap) { 3750d92917e4SThomas Pedersen case WMI_11AN_CAP: 3751d92917e4SThomas Pedersen ht = true; 3752d92917e4SThomas Pedersen case WMI_11A_CAP: 3753d92917e4SThomas Pedersen band_5gig = true; 3754d92917e4SThomas Pedersen break; 3755d92917e4SThomas Pedersen case WMI_11GN_CAP: 3756d92917e4SThomas Pedersen ht = true; 3757d92917e4SThomas Pedersen case WMI_11G_CAP: 3758d92917e4SThomas Pedersen band_2gig = true; 3759d92917e4SThomas Pedersen break; 3760d92917e4SThomas Pedersen case WMI_11AGN_CAP: 3761d92917e4SThomas Pedersen ht = true; 3762d92917e4SThomas Pedersen case WMI_11AG_CAP: 3763d92917e4SThomas Pedersen band_2gig = true; 3764d92917e4SThomas Pedersen band_5gig = true; 3765d92917e4SThomas Pedersen break; 3766d92917e4SThomas Pedersen default: 3767d92917e4SThomas Pedersen ath6kl_err("invalid phy capability!\n"); 3768d92917e4SThomas Pedersen return -EINVAL; 3769d92917e4SThomas Pedersen } 3770d92917e4SThomas Pedersen 37717fd1ce7eSVasanthakumar Thiagarajan /* 37727fd1ce7eSVasanthakumar Thiagarajan * Even if the fw has HT support, advertise HT cap only when 37737fd1ce7eSVasanthakumar Thiagarajan * the firmware has support to override RSN capability, otherwise 37747fd1ce7eSVasanthakumar Thiagarajan * 4-way handshake would fail. 37757fd1ce7eSVasanthakumar Thiagarajan */ 37767fd1ce7eSVasanthakumar Thiagarajan if (!(ht && 37777fd1ce7eSVasanthakumar Thiagarajan test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE, 37787fd1ce7eSVasanthakumar Thiagarajan ar->fw_capabilities))) { 3779d92917e4SThomas Pedersen ath6kl_band_2ghz.ht_cap.cap = 0; 3780d92917e4SThomas Pedersen ath6kl_band_2ghz.ht_cap.ht_supported = false; 3781d92917e4SThomas Pedersen ath6kl_band_5ghz.ht_cap.cap = 0; 3782d92917e4SThomas Pedersen ath6kl_band_5ghz.ht_cap.ht_supported = false; 3783d92917e4SThomas Pedersen } 378406e360acSBala Shanmugam 3785c0b34e2bSMohammed Shafi Shajakhan if (ar->hw.flags & ATH6KL_HW_64BIT_RATES) { 378606e360acSBala Shanmugam ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff; 378706e360acSBala Shanmugam ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff; 378806e360acSBala Shanmugam ath6kl_band_2ghz.ht_cap.mcs.rx_mask[1] = 0xff; 378906e360acSBala Shanmugam ath6kl_band_5ghz.ht_cap.mcs.rx_mask[1] = 0xff; 379006e360acSBala Shanmugam } else { 379106e360acSBala Shanmugam ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff; 379206e360acSBala Shanmugam ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff; 379306e360acSBala Shanmugam } 379406e360acSBala Shanmugam 3795d92917e4SThomas Pedersen if (band_2gig) 379646d33a21SKalle Valo wiphy->bands[IEEE80211_BAND_2GHZ] = &ath6kl_band_2ghz; 3797d92917e4SThomas Pedersen if (band_5gig) 379846d33a21SKalle Valo wiphy->bands[IEEE80211_BAND_5GHZ] = &ath6kl_band_5ghz; 3799d92917e4SThomas Pedersen 380046d33a21SKalle Valo wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; 380146d33a21SKalle Valo 380246d33a21SKalle Valo wiphy->cipher_suites = cipher_suites; 380346d33a21SKalle Valo wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); 380446d33a21SKalle Valo 3805dfb89c56SJohannes Berg #ifdef CONFIG_PM 3806964dc9e2SJohannes Berg wiphy->wowlan = &ath6kl_wowlan_support; 3807dfb89c56SJohannes Berg #endif 380846d33a21SKalle Valo 38098ab5415dSJouni Malinen wiphy->max_sched_scan_ssids = MAX_PROBED_SSIDS; 381046d33a21SKalle Valo 3811f2afdac7SVasanthakumar Thiagarajan ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM | 3812f2afdac7SVasanthakumar Thiagarajan WIPHY_FLAG_HAVE_AP_SME | 3813f2afdac7SVasanthakumar Thiagarajan WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | 3814f2afdac7SVasanthakumar Thiagarajan WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD; 3815f2afdac7SVasanthakumar Thiagarajan 3816b1f47e3aSThomas Pedersen if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_V2, ar->fw_capabilities)) 3817f2afdac7SVasanthakumar Thiagarajan ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN; 3818f2afdac7SVasanthakumar Thiagarajan 381903bdeb0dSVasanthakumar Thiagarajan if (test_bit(ATH6KL_FW_CAPABILITY_INACTIVITY_TIMEOUT, 382003bdeb0dSVasanthakumar Thiagarajan ar->fw_capabilities)) 3821b292219fSJohannes Berg ar->wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER; 382203bdeb0dSVasanthakumar Thiagarajan 3823f2afdac7SVasanthakumar Thiagarajan ar->wiphy->probe_resp_offload = 3824f2afdac7SVasanthakumar Thiagarajan NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | 3825f2afdac7SVasanthakumar Thiagarajan NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | 3826a432e7ccSJouni Malinen NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; 3827f2afdac7SVasanthakumar Thiagarajan 382846d33a21SKalle Valo ret = wiphy_register(wiphy); 382946d33a21SKalle Valo if (ret < 0) { 383046d33a21SKalle Valo ath6kl_err("couldn't register wiphy device\n"); 383146d33a21SKalle Valo return ret; 383246d33a21SKalle Valo } 383346d33a21SKalle Valo 3834e5348a1eSVasanthakumar Thiagarajan ar->wiphy_registered = true; 3835e5348a1eSVasanthakumar Thiagarajan 383646d33a21SKalle Valo return 0; 383746d33a21SKalle Valo } 383846d33a21SKalle Valo 383946d33a21SKalle Valo void ath6kl_cfg80211_cleanup(struct ath6kl *ar) 3840bdcd8170SKalle Valo { 3841be98e3a4SVasanthakumar Thiagarajan wiphy_unregister(ar->wiphy); 3842e5348a1eSVasanthakumar Thiagarajan 3843e5348a1eSVasanthakumar Thiagarajan ar->wiphy_registered = false; 384445eaa78fSKalle Valo } 384546d33a21SKalle Valo 384645eaa78fSKalle Valo struct ath6kl *ath6kl_cfg80211_create(void) 384745eaa78fSKalle Valo { 384845eaa78fSKalle Valo struct ath6kl *ar; 384945eaa78fSKalle Valo struct wiphy *wiphy; 385045eaa78fSKalle Valo 385145eaa78fSKalle Valo /* create a new wiphy for use with cfg80211 */ 385245eaa78fSKalle Valo wiphy = wiphy_new(&ath6kl_cfg80211_ops, sizeof(struct ath6kl)); 385345eaa78fSKalle Valo 385445eaa78fSKalle Valo if (!wiphy) { 385545eaa78fSKalle Valo ath6kl_err("couldn't allocate wiphy device\n"); 385645eaa78fSKalle Valo return NULL; 385745eaa78fSKalle Valo } 385845eaa78fSKalle Valo 385945eaa78fSKalle Valo ar = wiphy_priv(wiphy); 386045eaa78fSKalle Valo ar->wiphy = wiphy; 386145eaa78fSKalle Valo 386245eaa78fSKalle Valo return ar; 386345eaa78fSKalle Valo } 386445eaa78fSKalle Valo 386545eaa78fSKalle Valo /* Note: ar variable must not be accessed after calling this! */ 386645eaa78fSKalle Valo void ath6kl_cfg80211_destroy(struct ath6kl *ar) 386745eaa78fSKalle Valo { 38681d2a4456SVasanthakumar Thiagarajan int i; 38691d2a4456SVasanthakumar Thiagarajan 38701d2a4456SVasanthakumar Thiagarajan for (i = 0; i < AP_MAX_NUM_STA; i++) 38711d2a4456SVasanthakumar Thiagarajan kfree(ar->sta_list[i].aggr_conn); 38721d2a4456SVasanthakumar Thiagarajan 3873be98e3a4SVasanthakumar Thiagarajan wiphy_free(ar->wiphy); 3874bdcd8170SKalle Valo } 387545eaa78fSKalle Valo 3876