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; 6896eb18137SDedy Lansky u16 cap_val; 6906eb18137SDedy Lansky enum ieee80211_bss_type bss_type; 69101cac476SJouni Malinen u8 *ie; 69201cac476SJouni Malinen 6934eab6f4fSRaja Mani if (nw_type & ADHOC_NETWORK) { 6944eab6f4fSRaja Mani cap_val = WLAN_CAPABILITY_IBSS; 6956eb18137SDedy Lansky bss_type = IEEE80211_BSS_TYPE_IBSS; 6964eab6f4fSRaja Mani } else { 6974eab6f4fSRaja Mani cap_val = WLAN_CAPABILITY_ESS; 6986eb18137SDedy Lansky bss_type = IEEE80211_BSS_TYPE_ESS; 6994eab6f4fSRaja Mani } 7004eab6f4fSRaja Mani 701be98e3a4SVasanthakumar Thiagarajan bss = cfg80211_get_bss(ar->wiphy, chan, bssid, 7024eab6f4fSRaja Mani vif->ssid, vif->ssid_len, 7036eb18137SDedy Lansky bss_type, IEEE80211_PRIVACY_ANY); 70401cac476SJouni Malinen if (bss == NULL) { 70501cac476SJouni Malinen /* 70601cac476SJouni Malinen * Since cfg80211 may not yet know about the BSS, 70701cac476SJouni Malinen * generate a partial entry until the first BSS info 70801cac476SJouni Malinen * event becomes available. 70901cac476SJouni Malinen * 71001cac476SJouni Malinen * Prepend SSID element since it is not included in the Beacon 71101cac476SJouni Malinen * IEs from the target. 71201cac476SJouni Malinen */ 7133450334fSVasanthakumar Thiagarajan ie = kmalloc(2 + vif->ssid_len + beacon_ie_len, GFP_KERNEL); 71401cac476SJouni Malinen if (ie == NULL) 7155e13fd35SVasanthakumar Thiagarajan return NULL; 71601cac476SJouni Malinen ie[0] = WLAN_EID_SSID; 7173450334fSVasanthakumar Thiagarajan ie[1] = vif->ssid_len; 7183450334fSVasanthakumar Thiagarajan memcpy(ie + 2, vif->ssid, vif->ssid_len); 7193450334fSVasanthakumar Thiagarajan memcpy(ie + 2 + vif->ssid_len, beacon_ie, beacon_ie_len); 720be98e3a4SVasanthakumar Thiagarajan bss = cfg80211_inform_bss(ar->wiphy, chan, 7215bc8c1f2SJohannes Berg CFG80211_BSS_FTYPE_UNKNOWN, 7224eab6f4fSRaja Mani bssid, 0, cap_val, 100, 7233450334fSVasanthakumar Thiagarajan ie, 2 + vif->ssid_len + beacon_ie_len, 72401cac476SJouni Malinen 0, GFP_KERNEL); 72501cac476SJouni Malinen if (bss) 726cdeb8602SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 727cdeb8602SKalle Valo "added bss %pM to cfg80211\n", bssid); 72801cac476SJouni Malinen kfree(ie); 729a5d8f9dfSKalle Valo } else { 7305e13fd35SVasanthakumar Thiagarajan ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "cfg80211 already has a bss\n"); 731a5d8f9dfSKalle Valo } 73201cac476SJouni Malinen 7335e13fd35SVasanthakumar Thiagarajan return bss; 73401cac476SJouni Malinen } 73501cac476SJouni Malinen 736240d2799SVasanthakumar Thiagarajan void ath6kl_cfg80211_connect_event(struct ath6kl_vif *vif, u16 channel, 737bdcd8170SKalle Valo u8 *bssid, u16 listen_intvl, 738bdcd8170SKalle Valo u16 beacon_intvl, 739bdcd8170SKalle Valo enum network_type nw_type, 740bdcd8170SKalle Valo u8 beacon_ie_len, u8 assoc_req_len, 741bdcd8170SKalle Valo u8 assoc_resp_len, u8 *assoc_info) 742bdcd8170SKalle Valo { 74301cac476SJouni Malinen struct ieee80211_channel *chan; 744240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 7455e13fd35SVasanthakumar Thiagarajan struct cfg80211_bss *bss; 746bdcd8170SKalle Valo 747bdcd8170SKalle Valo /* capinfo + listen interval */ 748bdcd8170SKalle Valo u8 assoc_req_ie_offset = sizeof(u16) + sizeof(u16); 749bdcd8170SKalle Valo 750bdcd8170SKalle Valo /* capinfo + status code + associd */ 751bdcd8170SKalle Valo u8 assoc_resp_ie_offset = sizeof(u16) + sizeof(u16) + sizeof(u16); 752bdcd8170SKalle Valo 753bdcd8170SKalle Valo u8 *assoc_req_ie = assoc_info + beacon_ie_len + assoc_req_ie_offset; 754bdcd8170SKalle Valo u8 *assoc_resp_ie = assoc_info + beacon_ie_len + assoc_req_len + 755bdcd8170SKalle Valo assoc_resp_ie_offset; 756bdcd8170SKalle Valo 757bdcd8170SKalle Valo assoc_req_len -= assoc_req_ie_offset; 758bdcd8170SKalle Valo assoc_resp_len -= assoc_resp_ie_offset; 759bdcd8170SKalle Valo 76032c10874SJouni Malinen /* 76132c10874SJouni Malinen * Store Beacon interval here; DTIM period will be available only once 76232c10874SJouni Malinen * a Beacon frame from the AP is seen. 76332c10874SJouni Malinen */ 764cf5333d7SVasanthakumar Thiagarajan vif->assoc_bss_beacon_int = beacon_intvl; 76559c98449SVasanthakumar Thiagarajan clear_bit(DTIM_PERIOD_AVAIL, &vif->flags); 76632c10874SJouni Malinen 767bdcd8170SKalle Valo if (nw_type & ADHOC_NETWORK) { 768551959d8SVasanthakumar Thiagarajan if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC) { 769bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 770bdcd8170SKalle Valo "%s: ath6k not in ibss mode\n", __func__); 771bdcd8170SKalle Valo return; 772bdcd8170SKalle Valo } 773bdcd8170SKalle Valo } 774bdcd8170SKalle Valo 775bdcd8170SKalle Valo if (nw_type & INFRA_NETWORK) { 776551959d8SVasanthakumar Thiagarajan if (vif->wdev.iftype != NL80211_IFTYPE_STATION && 777551959d8SVasanthakumar Thiagarajan vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) { 778bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 779bdcd8170SKalle Valo "%s: ath6k not in station mode\n", __func__); 780bdcd8170SKalle Valo return; 781bdcd8170SKalle Valo } 782bdcd8170SKalle Valo } 783bdcd8170SKalle Valo 784be98e3a4SVasanthakumar Thiagarajan chan = ieee80211_get_channel(ar->wiphy, (int) channel); 785bdcd8170SKalle Valo 7865e13fd35SVasanthakumar Thiagarajan bss = ath6kl_add_bss_if_needed(vif, nw_type, bssid, chan, 7875e13fd35SVasanthakumar Thiagarajan assoc_info, beacon_ie_len); 7885e13fd35SVasanthakumar Thiagarajan if (!bss) { 7894eab6f4fSRaja Mani ath6kl_err("could not add cfg80211 bss entry\n"); 790bdcd8170SKalle Valo return; 791bdcd8170SKalle Valo } 792bdcd8170SKalle Valo 7934eab6f4fSRaja Mani if (nw_type & ADHOC_NETWORK) { 7944eab6f4fSRaja Mani ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "ad-hoc %s selected\n", 7954eab6f4fSRaja Mani nw_type & ADHOC_CREATOR ? "creator" : "joiner"); 796fe94f3a4SAntonio Quartulli cfg80211_ibss_joined(vif->ndev, bssid, chan, GFP_KERNEL); 7975b112d3dSJohannes Berg cfg80211_put_bss(ar->wiphy, bss); 79801cac476SJouni Malinen return; 79901cac476SJouni Malinen } 80001cac476SJouni Malinen 80114ee6f6bSVasanthakumar Thiagarajan if (vif->sme_state == SME_CONNECTING) { 802bdcd8170SKalle Valo /* inform connect result to cfg80211 */ 80314ee6f6bSVasanthakumar Thiagarajan vif->sme_state = SME_CONNECTED; 804240d2799SVasanthakumar Thiagarajan cfg80211_connect_result(vif->ndev, bssid, 805bdcd8170SKalle Valo assoc_req_ie, assoc_req_len, 806bdcd8170SKalle Valo assoc_resp_ie, assoc_resp_len, 807bdcd8170SKalle Valo WLAN_STATUS_SUCCESS, GFP_KERNEL); 8085b112d3dSJohannes Berg cfg80211_put_bss(ar->wiphy, bss); 80914ee6f6bSVasanthakumar Thiagarajan } else if (vif->sme_state == SME_CONNECTED) { 810bdcd8170SKalle Valo /* inform roam event to cfg80211 */ 8115e13fd35SVasanthakumar Thiagarajan cfg80211_roamed_bss(vif->ndev, bss, assoc_req_ie, assoc_req_len, 812bdcd8170SKalle Valo assoc_resp_ie, assoc_resp_len, GFP_KERNEL); 813bdcd8170SKalle Valo } 814bdcd8170SKalle Valo } 815bdcd8170SKalle Valo 816bdcd8170SKalle Valo static int ath6kl_cfg80211_disconnect(struct wiphy *wiphy, 817bdcd8170SKalle Valo struct net_device *dev, u16 reason_code) 818bdcd8170SKalle Valo { 819d6d5c06cSKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 8203450334fSVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 821bdcd8170SKalle Valo 822bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: reason=%u\n", __func__, 823bdcd8170SKalle Valo reason_code); 824bdcd8170SKalle Valo 82510509f90SKalle Valo ath6kl_cfg80211_sscan_disable(vif); 82610509f90SKalle Valo 827990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 828bdcd8170SKalle Valo return -EIO; 829bdcd8170SKalle Valo 830bdcd8170SKalle Valo if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) { 831bdcd8170SKalle Valo ath6kl_err("busy, destroy in progress\n"); 832bdcd8170SKalle Valo return -EBUSY; 833bdcd8170SKalle Valo } 834bdcd8170SKalle Valo 835bdcd8170SKalle Valo if (down_interruptible(&ar->sem)) { 836bdcd8170SKalle Valo ath6kl_err("busy, couldn't get access\n"); 837bdcd8170SKalle Valo return -ERESTARTSYS; 838bdcd8170SKalle Valo } 839bdcd8170SKalle Valo 840cf5333d7SVasanthakumar Thiagarajan vif->reconnect_flag = 0; 841240d2799SVasanthakumar Thiagarajan ath6kl_disconnect(vif); 8423450334fSVasanthakumar Thiagarajan memset(vif->ssid, 0, sizeof(vif->ssid)); 8433450334fSVasanthakumar Thiagarajan vif->ssid_len = 0; 844bdcd8170SKalle Valo 845bdcd8170SKalle Valo if (!test_bit(SKIP_SCAN, &ar->flag)) 8468c8b65e3SVasanthakumar Thiagarajan memset(vif->req_bssid, 0, sizeof(vif->req_bssid)); 847bdcd8170SKalle Valo 848bdcd8170SKalle Valo up(&ar->sem); 849bdcd8170SKalle Valo 85014ee6f6bSVasanthakumar Thiagarajan vif->sme_state = SME_DISCONNECTED; 851170826ddSVasanthakumar Thiagarajan 852bdcd8170SKalle Valo return 0; 853bdcd8170SKalle Valo } 854bdcd8170SKalle Valo 855240d2799SVasanthakumar Thiagarajan void ath6kl_cfg80211_disconnect_event(struct ath6kl_vif *vif, u8 reason, 856bdcd8170SKalle Valo u8 *bssid, u8 assoc_resp_len, 857bdcd8170SKalle Valo u8 *assoc_info, u16 proto_reason) 858bdcd8170SKalle Valo { 859240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 86059c98449SVasanthakumar Thiagarajan 86114ee6f6bSVasanthakumar Thiagarajan if (vif->scan_req) { 86214ee6f6bSVasanthakumar Thiagarajan cfg80211_scan_done(vif->scan_req, true); 86314ee6f6bSVasanthakumar Thiagarajan vif->scan_req = NULL; 864bdcd8170SKalle Valo } 865bdcd8170SKalle Valo 866f5938f24SVasanthakumar Thiagarajan if (vif->nw_type & ADHOC_NETWORK) { 867fe94f3a4SAntonio Quartulli if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC) 868bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 869bdcd8170SKalle Valo "%s: ath6k not in ibss mode\n", __func__); 870bdcd8170SKalle Valo return; 871bdcd8170SKalle Valo } 872bdcd8170SKalle Valo 873f5938f24SVasanthakumar Thiagarajan if (vif->nw_type & INFRA_NETWORK) { 874551959d8SVasanthakumar Thiagarajan if (vif->wdev.iftype != NL80211_IFTYPE_STATION && 875551959d8SVasanthakumar Thiagarajan vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) { 876bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 877bdcd8170SKalle Valo "%s: ath6k not in station mode\n", __func__); 878bdcd8170SKalle Valo return; 879bdcd8170SKalle Valo } 880bdcd8170SKalle Valo } 881bdcd8170SKalle Valo 88259c98449SVasanthakumar Thiagarajan clear_bit(CONNECT_PEND, &vif->flags); 883bdcd8170SKalle Valo 88414ee6f6bSVasanthakumar Thiagarajan if (vif->sme_state == SME_CONNECTING) { 885240d2799SVasanthakumar Thiagarajan cfg80211_connect_result(vif->ndev, 886bdcd8170SKalle Valo bssid, NULL, 0, 887bdcd8170SKalle Valo NULL, 0, 888bdcd8170SKalle Valo WLAN_STATUS_UNSPECIFIED_FAILURE, 889bdcd8170SKalle Valo GFP_KERNEL); 89014ee6f6bSVasanthakumar Thiagarajan } else if (vif->sme_state == SME_CONNECTED) { 89133a6664aSThomas Pedersen cfg80211_disconnected(vif->ndev, proto_reason, 89280279fb7SJohannes Berg NULL, 0, false, GFP_KERNEL); 893bdcd8170SKalle Valo } 894bdcd8170SKalle Valo 89514ee6f6bSVasanthakumar Thiagarajan vif->sme_state = SME_DISCONNECTED; 89633a6664aSThomas Pedersen 89733a6664aSThomas Pedersen /* 89833a6664aSThomas Pedersen * Send a disconnect command to target when a disconnect event is 89933a6664aSThomas Pedersen * received with reason code other than 3 (DISCONNECT_CMD - disconnect 90033a6664aSThomas Pedersen * request from host) to make the firmware stop trying to connect even 90133a6664aSThomas Pedersen * after giving disconnect event. There will be one more disconnect 90233a6664aSThomas Pedersen * event for this disconnect command with reason code DISCONNECT_CMD 90333a6664aSThomas Pedersen * which won't be notified to cfg80211. 90433a6664aSThomas Pedersen */ 90533a6664aSThomas Pedersen if (reason != DISCONNECT_CMD) 90633a6664aSThomas Pedersen ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx); 907bdcd8170SKalle Valo } 908bdcd8170SKalle Valo 9093b8ffc6aSJouni Malinen static int ath6kl_set_probed_ssids(struct ath6kl *ar, 9103b8ffc6aSJouni Malinen struct ath6kl_vif *vif, 911dd45b759SNaveen Singh struct cfg80211_ssid *ssids, int n_ssids, 912dd45b759SNaveen Singh struct cfg80211_match_set *match_set, 913dd45b759SNaveen Singh int n_match_ssid) 9143b8ffc6aSJouni Malinen { 915dd45b759SNaveen Singh u8 i, j, index_to_add, ssid_found = false; 916dd45b759SNaveen Singh struct ath6kl_cfg80211_match_probe_ssid ssid_list[MAX_PROBED_SSIDS]; 9173b8ffc6aSJouni Malinen 918dd45b759SNaveen Singh memset(ssid_list, 0, sizeof(ssid_list)); 919dd45b759SNaveen Singh 920dd45b759SNaveen Singh if (n_ssids > MAX_PROBED_SSIDS || 921dd45b759SNaveen Singh n_match_ssid > MAX_PROBED_SSIDS) 9223b8ffc6aSJouni Malinen return -EINVAL; 9233b8ffc6aSJouni Malinen 9243b8ffc6aSJouni Malinen for (i = 0; i < n_ssids; i++) { 925dd45b759SNaveen Singh memcpy(ssid_list[i].ssid.ssid, 926dd45b759SNaveen Singh ssids[i].ssid, 927dd45b759SNaveen Singh ssids[i].ssid_len); 928dd45b759SNaveen Singh ssid_list[i].ssid.ssid_len = ssids[i].ssid_len; 929dd45b759SNaveen Singh 930dd45b759SNaveen Singh if (ssids[i].ssid_len) 931dd45b759SNaveen Singh ssid_list[i].flag = SPECIFIC_SSID_FLAG; 932dd45b759SNaveen Singh else 933dd45b759SNaveen Singh ssid_list[i].flag = ANY_SSID_FLAG; 934dd45b759SNaveen Singh 935dd45b759SNaveen Singh if (n_match_ssid == 0) 936dd45b759SNaveen Singh ssid_list[i].flag |= MATCH_SSID_FLAG; 937dd45b759SNaveen Singh } 938dd45b759SNaveen Singh 939dd45b759SNaveen Singh index_to_add = i; 940dd45b759SNaveen Singh 941dd45b759SNaveen Singh for (i = 0; i < n_match_ssid; i++) { 942dd45b759SNaveen Singh ssid_found = false; 943dd45b759SNaveen Singh 944dd45b759SNaveen Singh for (j = 0; j < n_ssids; j++) { 945dd45b759SNaveen Singh if ((match_set[i].ssid.ssid_len == 946dd45b759SNaveen Singh ssid_list[j].ssid.ssid_len) && 947dd45b759SNaveen Singh (!memcmp(ssid_list[j].ssid.ssid, 948dd45b759SNaveen Singh match_set[i].ssid.ssid, 949dd45b759SNaveen Singh match_set[i].ssid.ssid_len))) { 950dd45b759SNaveen Singh ssid_list[j].flag |= MATCH_SSID_FLAG; 951dd45b759SNaveen Singh ssid_found = true; 952dd45b759SNaveen Singh break; 953dd45b759SNaveen Singh } 954dd45b759SNaveen Singh } 955dd45b759SNaveen Singh 956dd45b759SNaveen Singh if (ssid_found) 957dd45b759SNaveen Singh continue; 958dd45b759SNaveen Singh 959dd45b759SNaveen Singh if (index_to_add >= MAX_PROBED_SSIDS) 960dd45b759SNaveen Singh continue; 961dd45b759SNaveen Singh 962dd45b759SNaveen Singh ssid_list[index_to_add].ssid.ssid_len = 963dd45b759SNaveen Singh match_set[i].ssid.ssid_len; 964dd45b759SNaveen Singh memcpy(ssid_list[index_to_add].ssid.ssid, 965dd45b759SNaveen Singh match_set[i].ssid.ssid, 966dd45b759SNaveen Singh match_set[i].ssid.ssid_len); 967dd45b759SNaveen Singh ssid_list[index_to_add].flag |= MATCH_SSID_FLAG; 968dd45b759SNaveen Singh index_to_add++; 969dd45b759SNaveen Singh } 970dd45b759SNaveen Singh 971dd45b759SNaveen Singh for (i = 0; i < index_to_add; i++) { 9723b8ffc6aSJouni Malinen ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, i, 973dd45b759SNaveen Singh ssid_list[i].flag, 974dd45b759SNaveen Singh ssid_list[i].ssid.ssid_len, 975dd45b759SNaveen Singh ssid_list[i].ssid.ssid); 9763b8ffc6aSJouni Malinen } 9773b8ffc6aSJouni Malinen 9783b8ffc6aSJouni Malinen /* Make sure no old entries are left behind */ 979dd45b759SNaveen Singh for (i = index_to_add; i < MAX_PROBED_SSIDS; i++) { 9803b8ffc6aSJouni Malinen ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, i, 9813b8ffc6aSJouni Malinen DISABLE_SSID_FLAG, 0, NULL); 9823b8ffc6aSJouni Malinen } 9833b8ffc6aSJouni Malinen 9843b8ffc6aSJouni Malinen return 0; 9853b8ffc6aSJouni Malinen } 9863b8ffc6aSJouni Malinen 987fd014284SJohannes Berg static int ath6kl_cfg80211_scan(struct wiphy *wiphy, 988bdcd8170SKalle Valo struct cfg80211_scan_request *request) 989bdcd8170SKalle Valo { 990fd014284SJohannes Berg struct ath6kl_vif *vif = ath6kl_vif_from_wdev(request->wdev); 991fd014284SJohannes Berg struct ath6kl *ar = ath6kl_priv(vif->ndev); 9921276c9efSEdward Lu s8 n_channels = 0; 9931276c9efSEdward Lu u16 *channels = NULL; 994bdcd8170SKalle Valo int ret = 0; 995f1f92179SVasanthakumar Thiagarajan u32 force_fg_scan = 0; 996bdcd8170SKalle Valo 997990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 998bdcd8170SKalle Valo return -EIO; 999bdcd8170SKalle Valo 100010509f90SKalle Valo ath6kl_cfg80211_sscan_disable(vif); 100110509f90SKalle Valo 1002bdcd8170SKalle Valo if (!ar->usr_bss_filter) { 100359c98449SVasanthakumar Thiagarajan clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags); 1004954e6ce5SVasanthakumar Thiagarajan ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 1005954e6ce5SVasanthakumar Thiagarajan ALL_BSS_FILTER, 0); 10061b1e6ee3SJouni Malinen if (ret) { 1007bdcd8170SKalle Valo ath6kl_err("couldn't set bss filtering\n"); 10081b1e6ee3SJouni Malinen return ret; 1009bdcd8170SKalle Valo } 1010bdcd8170SKalle Valo } 1011bdcd8170SKalle Valo 10123b8ffc6aSJouni Malinen ret = ath6kl_set_probed_ssids(ar, vif, request->ssids, 1013dd45b759SNaveen Singh request->n_ssids, NULL, 0); 10143b8ffc6aSJouni Malinen if (ret < 0) 10153b8ffc6aSJouni Malinen return ret; 1016bdcd8170SKalle Valo 1017080eec4fSAarthi Thiruvengadam /* this also clears IE in fw if it's not set */ 1018334234b5SVasanthakumar Thiagarajan ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 1019334234b5SVasanthakumar Thiagarajan WMI_FRAME_PROBE_REQ, 1020b84da8c7SJouni Malinen request->ie, request->ie_len); 1021b84da8c7SJouni Malinen if (ret) { 1022f1ff32e8SJoe Perches ath6kl_err("failed to set Probe Request appie for scan\n"); 1023b84da8c7SJouni Malinen return ret; 1024b84da8c7SJouni Malinen } 1025b84da8c7SJouni Malinen 102611869befSJouni Malinen /* 102711869befSJouni Malinen * Scan only the requested channels if the request specifies a set of 102811869befSJouni Malinen * channels. If the list is longer than the target supports, do not 102911869befSJouni Malinen * configure the list and instead, scan all available channels. 103011869befSJouni Malinen */ 103111869befSJouni Malinen if (request->n_channels > 0 && 103211869befSJouni Malinen request->n_channels <= WMI_MAX_CHANNELS) { 10331276c9efSEdward Lu u8 i; 10341276c9efSEdward Lu 103511869befSJouni Malinen n_channels = request->n_channels; 10361276c9efSEdward Lu 10371276c9efSEdward Lu channels = kzalloc(n_channels * sizeof(u16), GFP_KERNEL); 10381276c9efSEdward Lu if (channels == NULL) { 1039cdeb8602SKalle Valo ath6kl_warn("failed to set scan channels, scan all channels"); 10401276c9efSEdward Lu n_channels = 0; 10411276c9efSEdward Lu } 10421276c9efSEdward Lu 10431276c9efSEdward Lu for (i = 0; i < n_channels; i++) 10441276c9efSEdward Lu channels[i] = request->channels[i]->center_freq; 10451276c9efSEdward Lu } 10461276c9efSEdward Lu 104759c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags)) 1048f1f92179SVasanthakumar Thiagarajan force_fg_scan = 1; 1049f1f92179SVasanthakumar Thiagarajan 10505b35dff0SRaja Mani vif->scan_req = request; 10515b35dff0SRaja Mani 10523ca9d1fcSAarthi Thiruvengadam ret = ath6kl_wmi_beginscan_cmd(ar->wmi, vif->fw_vif_idx, 10533ca9d1fcSAarthi Thiruvengadam WMI_LONG_SCAN, force_fg_scan, 105413423c31SVasanthakumar Thiagarajan false, 0, 105513423c31SVasanthakumar Thiagarajan ATH6KL_FG_SCAN_INTERVAL, 105613423c31SVasanthakumar Thiagarajan n_channels, channels, 105713423c31SVasanthakumar Thiagarajan request->no_cck, 10583ca9d1fcSAarthi Thiruvengadam request->rates); 10595b35dff0SRaja Mani if (ret) { 106011f0bfcfSKalle Valo ath6kl_err("failed to start scan: %d\n", ret); 10615b35dff0SRaja Mani vif->scan_req = NULL; 10625b35dff0SRaja Mani } 1063bdcd8170SKalle Valo 10641276c9efSEdward Lu kfree(channels); 10651276c9efSEdward Lu 1066bdcd8170SKalle Valo return ret; 1067bdcd8170SKalle Valo } 1068bdcd8170SKalle Valo 10691c17d313SKalle Valo void ath6kl_cfg80211_scan_complete_event(struct ath6kl_vif *vif, bool aborted) 1070bdcd8170SKalle Valo { 1071240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 10726fd1eaceSKalle Valo int i; 1073bdcd8170SKalle Valo 10741c17d313SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: status%s\n", __func__, 10751c17d313SKalle Valo aborted ? " aborted" : ""); 1076bdcd8170SKalle Valo 107714ee6f6bSVasanthakumar Thiagarajan if (!vif->scan_req) 10786fd1eaceSKalle Valo return; 10796fd1eaceSKalle Valo 10801c17d313SKalle Valo if (aborted) 10816fd1eaceSKalle Valo goto out; 1082bdcd8170SKalle Valo 108314ee6f6bSVasanthakumar Thiagarajan if (vif->scan_req->n_ssids && vif->scan_req->ssids[0].ssid_len) { 108414ee6f6bSVasanthakumar Thiagarajan for (i = 0; i < vif->scan_req->n_ssids; i++) { 1085334234b5SVasanthakumar Thiagarajan ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, 1086334234b5SVasanthakumar Thiagarajan i + 1, DISABLE_SSID_FLAG, 1087bdcd8170SKalle Valo 0, NULL); 1088bdcd8170SKalle Valo } 1089bdcd8170SKalle Valo } 10906fd1eaceSKalle Valo 10916fd1eaceSKalle Valo out: 1092cb93821aSKalle Valo cfg80211_scan_done(vif->scan_req, aborted); 109314ee6f6bSVasanthakumar Thiagarajan vif->scan_req = NULL; 1094bdcd8170SKalle Valo } 1095bdcd8170SKalle Valo 1096c4f7863eSThomas Pedersen void ath6kl_cfg80211_ch_switch_notify(struct ath6kl_vif *vif, int freq, 1097c4f7863eSThomas Pedersen enum wmi_phy_mode mode) 1098c4f7863eSThomas Pedersen { 1099683b6d3bSJohannes Berg struct cfg80211_chan_def chandef; 1100c4f7863eSThomas Pedersen 1101c4f7863eSThomas Pedersen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1102c4f7863eSThomas Pedersen "channel switch notify nw_type %d freq %d mode %d\n", 1103c4f7863eSThomas Pedersen vif->nw_type, freq, mode); 1104c4f7863eSThomas Pedersen 11053d9d1d66SJohannes Berg cfg80211_chandef_create(&chandef, 11063d9d1d66SJohannes Berg ieee80211_get_channel(vif->ar->wiphy, freq), 11073d9d1d66SJohannes Berg (mode == WMI_11G_HT20) ? 11083d9d1d66SJohannes Berg NL80211_CHAN_HT20 : NL80211_CHAN_NO_HT); 1109c4f7863eSThomas Pedersen 1110e487eaebSSimon Wunderlich mutex_lock(&vif->wdev.mtx); 1111683b6d3bSJohannes Berg cfg80211_ch_switch_notify(vif->ndev, &chandef); 1112e487eaebSSimon Wunderlich mutex_unlock(&vif->wdev.mtx); 1113c4f7863eSThomas Pedersen } 1114c4f7863eSThomas Pedersen 1115bdcd8170SKalle Valo static int ath6kl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev, 1116bdcd8170SKalle Valo u8 key_index, bool pairwise, 1117bdcd8170SKalle Valo const u8 *mac_addr, 1118bdcd8170SKalle Valo struct key_params *params) 1119bdcd8170SKalle Valo { 1120d6d5c06cSKalle Valo struct ath6kl *ar = ath6kl_priv(ndev); 112159c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 1122bdcd8170SKalle Valo struct ath6kl_key *key = NULL; 11234a8ce2fdSSujith Manoharan int seq_len; 1124bdcd8170SKalle Valo u8 key_usage; 1125bdcd8170SKalle Valo u8 key_type; 1126bdcd8170SKalle Valo 1127990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1128bdcd8170SKalle Valo return -EIO; 1129bdcd8170SKalle Valo 1130837cb97eSJouni Malinen if (params->cipher == CCKM_KRK_CIPHER_SUITE) { 1131837cb97eSJouni Malinen if (params->key_len != WMI_KRK_LEN) 1132837cb97eSJouni Malinen return -EINVAL; 1133240d2799SVasanthakumar Thiagarajan return ath6kl_wmi_add_krk_cmd(ar->wmi, vif->fw_vif_idx, 1134240d2799SVasanthakumar Thiagarajan params->key); 1135837cb97eSJouni Malinen } 1136837cb97eSJouni Malinen 1137792ecb33SVivek Natarajan if (key_index > WMI_MAX_KEY_INDEX) { 1138bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1139bdcd8170SKalle Valo "%s: key index %d out of bounds\n", __func__, 1140bdcd8170SKalle Valo key_index); 1141bdcd8170SKalle Valo return -ENOENT; 1142bdcd8170SKalle Valo } 1143bdcd8170SKalle Valo 11446f2a73f9SVasanthakumar Thiagarajan key = &vif->keys[key_index]; 1145bdcd8170SKalle Valo memset(key, 0, sizeof(struct ath6kl_key)); 1146bdcd8170SKalle Valo 1147bdcd8170SKalle Valo if (pairwise) 1148bdcd8170SKalle Valo key_usage = PAIRWISE_USAGE; 1149bdcd8170SKalle Valo else 1150bdcd8170SKalle Valo key_usage = GROUP_USAGE; 1151bdcd8170SKalle Valo 11524a8ce2fdSSujith Manoharan seq_len = params->seq_len; 11535e07021eSDai Shuibing if (params->cipher == WLAN_CIPHER_SUITE_SMS4 && 11545e07021eSDai Shuibing seq_len > ATH6KL_KEY_SEQ_LEN) { 11555e07021eSDai Shuibing /* Only first half of the WPI PN is configured */ 11565e07021eSDai Shuibing seq_len = ATH6KL_KEY_SEQ_LEN; 11575e07021eSDai Shuibing } 1158bdcd8170SKalle Valo if (params->key_len > WLAN_MAX_KEY_LEN || 11595e07021eSDai Shuibing seq_len > sizeof(key->seq)) 1160bdcd8170SKalle Valo return -EINVAL; 1161bdcd8170SKalle Valo 1162bdcd8170SKalle Valo key->key_len = params->key_len; 1163bdcd8170SKalle Valo memcpy(key->key, params->key, key->key_len); 11645e07021eSDai Shuibing key->seq_len = seq_len; 1165bdcd8170SKalle Valo memcpy(key->seq, params->seq, key->seq_len); 1166bdcd8170SKalle Valo key->cipher = params->cipher; 1167bdcd8170SKalle Valo 1168bdcd8170SKalle Valo switch (key->cipher) { 1169bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_WEP40: 1170bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_WEP104: 1171bdcd8170SKalle Valo key_type = WEP_CRYPT; 1172bdcd8170SKalle Valo break; 1173bdcd8170SKalle Valo 1174bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_TKIP: 1175bdcd8170SKalle Valo key_type = TKIP_CRYPT; 1176bdcd8170SKalle Valo break; 1177bdcd8170SKalle Valo 1178bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_CCMP: 1179bdcd8170SKalle Valo key_type = AES_CRYPT; 1180bdcd8170SKalle Valo break; 11815e07021eSDai Shuibing case WLAN_CIPHER_SUITE_SMS4: 11825e07021eSDai Shuibing key_type = WAPI_CRYPT; 11835e07021eSDai Shuibing break; 1184bdcd8170SKalle Valo 1185bdcd8170SKalle Valo default: 1186bdcd8170SKalle Valo return -ENOTSUPP; 1187bdcd8170SKalle Valo } 1188bdcd8170SKalle Valo 1189ddc3d77cSKalle Valo if (((vif->auth_mode == WPA_PSK_AUTH) || 1190ddc3d77cSKalle Valo (vif->auth_mode == WPA2_PSK_AUTH)) && 1191ddc3d77cSKalle Valo (key_usage & GROUP_USAGE)) 1192de3ad713SVasanthakumar Thiagarajan del_timer(&vif->disconnect_timer); 1193bdcd8170SKalle Valo 1194bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1195bdcd8170SKalle Valo "%s: index %d, key_len %d, key_type 0x%x, key_usage 0x%x, seq_len %d\n", 1196bdcd8170SKalle Valo __func__, key_index, key->key_len, key_type, 1197bdcd8170SKalle Valo key_usage, key->seq_len); 1198bdcd8170SKalle Valo 1199f5938f24SVasanthakumar Thiagarajan if (vif->nw_type == AP_NETWORK && !pairwise && 12004703290aSJouni Malinen (key_type == TKIP_CRYPT || key_type == AES_CRYPT || 1201cc4d623dSVasanthakumar Thiagarajan key_type == WAPI_CRYPT)) { 12029a5b1318SJouni Malinen ar->ap_mode_bkey.valid = true; 12039a5b1318SJouni Malinen ar->ap_mode_bkey.key_index = key_index; 12049a5b1318SJouni Malinen ar->ap_mode_bkey.key_type = key_type; 12059a5b1318SJouni Malinen ar->ap_mode_bkey.key_len = key->key_len; 12069a5b1318SJouni Malinen memcpy(ar->ap_mode_bkey.key, key->key, key->key_len); 120759c98449SVasanthakumar Thiagarajan if (!test_bit(CONNECTED, &vif->flags)) { 1208cdeb8602SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1209cdeb8602SKalle Valo "Delay initial group key configuration until AP mode has been started\n"); 12109a5b1318SJouni Malinen /* 12119a5b1318SJouni Malinen * The key will be set in ath6kl_connect_ap_mode() once 12129a5b1318SJouni Malinen * the connected event is received from the target. 12139a5b1318SJouni Malinen */ 12149a5b1318SJouni Malinen return 0; 12159a5b1318SJouni Malinen } 12169a5b1318SJouni Malinen } 12179a5b1318SJouni Malinen 1218f5938f24SVasanthakumar Thiagarajan if (vif->next_mode == AP_NETWORK && key_type == WEP_CRYPT && 121959c98449SVasanthakumar Thiagarajan !test_bit(CONNECTED, &vif->flags)) { 1220151411e8SJouni Malinen /* 1221151411e8SJouni Malinen * Store the key locally so that it can be re-configured after 1222151411e8SJouni Malinen * the AP mode has properly started 1223151411e8SJouni Malinen * (ath6kl_install_statioc_wep_keys). 1224151411e8SJouni Malinen */ 1225cdeb8602SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1226cdeb8602SKalle Valo "Delay WEP key configuration until AP mode has been started\n"); 12276f2a73f9SVasanthakumar Thiagarajan vif->wep_key_list[key_index].key_len = key->key_len; 12286f2a73f9SVasanthakumar Thiagarajan memcpy(vif->wep_key_list[key_index].key, key->key, 12296f2a73f9SVasanthakumar Thiagarajan key->key_len); 1230151411e8SJouni Malinen return 0; 1231151411e8SJouni Malinen } 1232151411e8SJouni Malinen 12337cefa44fSVasanthakumar Thiagarajan return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, key_index, 1234bdcd8170SKalle Valo key_type, key_usage, key->key_len, 1235f4bb9a6fSJouni Malinen key->seq, key->seq_len, key->key, 1236f4bb9a6fSJouni Malinen KEY_OP_INIT_VAL, 1237bdcd8170SKalle Valo (u8 *) mac_addr, SYNC_BOTH_WMIFLAG); 1238bdcd8170SKalle Valo } 1239bdcd8170SKalle Valo 1240bdcd8170SKalle Valo static int ath6kl_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev, 1241bdcd8170SKalle Valo u8 key_index, bool pairwise, 1242bdcd8170SKalle Valo const u8 *mac_addr) 1243bdcd8170SKalle Valo { 1244d6d5c06cSKalle Valo struct ath6kl *ar = ath6kl_priv(ndev); 12456f2a73f9SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 1246bdcd8170SKalle Valo 1247bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index); 1248bdcd8170SKalle Valo 1249990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1250bdcd8170SKalle Valo return -EIO; 1251bdcd8170SKalle Valo 1252792ecb33SVivek Natarajan if (key_index > WMI_MAX_KEY_INDEX) { 1253bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1254bdcd8170SKalle Valo "%s: key index %d out of bounds\n", __func__, 1255bdcd8170SKalle Valo key_index); 1256bdcd8170SKalle Valo return -ENOENT; 1257bdcd8170SKalle Valo } 1258bdcd8170SKalle Valo 12596f2a73f9SVasanthakumar Thiagarajan if (!vif->keys[key_index].key_len) { 1260bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1261bdcd8170SKalle Valo "%s: index %d is empty\n", __func__, key_index); 1262bdcd8170SKalle Valo return 0; 1263bdcd8170SKalle Valo } 1264bdcd8170SKalle Valo 12656f2a73f9SVasanthakumar Thiagarajan vif->keys[key_index].key_len = 0; 1266bdcd8170SKalle Valo 1267334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_deletekey_cmd(ar->wmi, vif->fw_vif_idx, key_index); 1268bdcd8170SKalle Valo } 1269bdcd8170SKalle Valo 1270bdcd8170SKalle Valo static int ath6kl_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev, 1271bdcd8170SKalle Valo u8 key_index, bool pairwise, 1272bdcd8170SKalle Valo const u8 *mac_addr, void *cookie, 1273bdcd8170SKalle Valo void (*callback) (void *cookie, 1274bdcd8170SKalle Valo struct key_params *)) 1275bdcd8170SKalle Valo { 12766f2a73f9SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 1277bdcd8170SKalle Valo struct ath6kl_key *key = NULL; 1278bdcd8170SKalle Valo struct key_params params; 1279bdcd8170SKalle Valo 1280bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index); 1281bdcd8170SKalle Valo 1282990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1283bdcd8170SKalle Valo return -EIO; 1284bdcd8170SKalle Valo 1285792ecb33SVivek Natarajan if (key_index > WMI_MAX_KEY_INDEX) { 1286bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1287bdcd8170SKalle Valo "%s: key index %d out of bounds\n", __func__, 1288bdcd8170SKalle Valo key_index); 1289bdcd8170SKalle Valo return -ENOENT; 1290bdcd8170SKalle Valo } 1291bdcd8170SKalle Valo 12926f2a73f9SVasanthakumar Thiagarajan key = &vif->keys[key_index]; 1293bdcd8170SKalle Valo memset(¶ms, 0, sizeof(params)); 1294bdcd8170SKalle Valo params.cipher = key->cipher; 1295bdcd8170SKalle Valo params.key_len = key->key_len; 1296bdcd8170SKalle Valo params.seq_len = key->seq_len; 1297bdcd8170SKalle Valo params.seq = key->seq; 1298bdcd8170SKalle Valo params.key = key->key; 1299bdcd8170SKalle Valo 1300bdcd8170SKalle Valo callback(cookie, ¶ms); 1301bdcd8170SKalle Valo 1302bdcd8170SKalle Valo return key->key_len ? 0 : -ENOENT; 1303bdcd8170SKalle Valo } 1304bdcd8170SKalle Valo 1305bdcd8170SKalle Valo static int ath6kl_cfg80211_set_default_key(struct wiphy *wiphy, 1306bdcd8170SKalle Valo struct net_device *ndev, 1307bdcd8170SKalle Valo u8 key_index, bool unicast, 1308bdcd8170SKalle Valo bool multicast) 1309bdcd8170SKalle Valo { 1310d6d5c06cSKalle Valo struct ath6kl *ar = ath6kl_priv(ndev); 131159c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 1312bdcd8170SKalle Valo struct ath6kl_key *key = NULL; 1313bdcd8170SKalle Valo u8 key_usage; 1314229ed6b5SEdward Lu enum crypto_type key_type = NONE_CRYPT; 1315bdcd8170SKalle Valo 1316bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index); 1317bdcd8170SKalle Valo 1318990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1319bdcd8170SKalle Valo return -EIO; 1320bdcd8170SKalle Valo 1321792ecb33SVivek Natarajan if (key_index > WMI_MAX_KEY_INDEX) { 1322bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1323bdcd8170SKalle Valo "%s: key index %d out of bounds\n", 1324bdcd8170SKalle Valo __func__, key_index); 1325bdcd8170SKalle Valo return -ENOENT; 1326bdcd8170SKalle Valo } 1327bdcd8170SKalle Valo 13286f2a73f9SVasanthakumar Thiagarajan if (!vif->keys[key_index].key_len) { 1329bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: invalid key index %d\n", 1330bdcd8170SKalle Valo __func__, key_index); 1331bdcd8170SKalle Valo return -EINVAL; 1332bdcd8170SKalle Valo } 1333bdcd8170SKalle Valo 13343450334fSVasanthakumar Thiagarajan vif->def_txkey_index = key_index; 13356f2a73f9SVasanthakumar Thiagarajan key = &vif->keys[vif->def_txkey_index]; 1336bdcd8170SKalle Valo key_usage = GROUP_USAGE; 13373450334fSVasanthakumar Thiagarajan if (vif->prwise_crypto == WEP_CRYPT) 1338bdcd8170SKalle Valo key_usage |= TX_USAGE; 1339229ed6b5SEdward Lu if (unicast) 13403450334fSVasanthakumar Thiagarajan key_type = vif->prwise_crypto; 1341229ed6b5SEdward Lu if (multicast) 13423450334fSVasanthakumar Thiagarajan key_type = vif->grp_crypto; 1343bdcd8170SKalle Valo 1344f5938f24SVasanthakumar Thiagarajan if (vif->next_mode == AP_NETWORK && !test_bit(CONNECTED, &vif->flags)) 13459a5b1318SJouni Malinen return 0; /* Delay until AP mode has been started */ 13469a5b1318SJouni Malinen 1347f3e61eceSJouni Malinen return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, 1348334234b5SVasanthakumar Thiagarajan vif->def_txkey_index, 1349229ed6b5SEdward Lu key_type, key_usage, 1350f4bb9a6fSJouni Malinen key->key_len, key->seq, key->seq_len, 1351f4bb9a6fSJouni Malinen key->key, 1352bdcd8170SKalle Valo KEY_OP_INIT_VAL, NULL, 1353bdcd8170SKalle Valo SYNC_BOTH_WMIFLAG); 1354bdcd8170SKalle Valo } 1355bdcd8170SKalle Valo 1356240d2799SVasanthakumar Thiagarajan void ath6kl_cfg80211_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid, 1357bdcd8170SKalle Valo bool ismcast) 1358bdcd8170SKalle Valo { 1359bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1360bdcd8170SKalle Valo "%s: keyid %d, ismcast %d\n", __func__, keyid, ismcast); 1361bdcd8170SKalle Valo 1362240d2799SVasanthakumar Thiagarajan cfg80211_michael_mic_failure(vif->ndev, vif->bssid, 1363bdcd8170SKalle Valo (ismcast ? NL80211_KEYTYPE_GROUP : 1364bdcd8170SKalle Valo NL80211_KEYTYPE_PAIRWISE), keyid, NULL, 1365bdcd8170SKalle Valo GFP_KERNEL); 1366bdcd8170SKalle Valo } 1367bdcd8170SKalle Valo 1368bdcd8170SKalle Valo static int ath6kl_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) 1369bdcd8170SKalle Valo { 1370bdcd8170SKalle Valo struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy); 1371990bd915SVasanthakumar Thiagarajan struct ath6kl_vif *vif; 1372bdcd8170SKalle Valo int ret; 1373bdcd8170SKalle Valo 1374bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: changed 0x%x\n", __func__, 1375bdcd8170SKalle Valo changed); 1376bdcd8170SKalle Valo 1377990bd915SVasanthakumar Thiagarajan vif = ath6kl_vif_first(ar); 1378990bd915SVasanthakumar Thiagarajan if (!vif) 1379990bd915SVasanthakumar Thiagarajan return -EIO; 1380990bd915SVasanthakumar Thiagarajan 1381990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1382bdcd8170SKalle Valo return -EIO; 1383bdcd8170SKalle Valo 1384bdcd8170SKalle Valo if (changed & WIPHY_PARAM_RTS_THRESHOLD) { 1385bdcd8170SKalle Valo ret = ath6kl_wmi_set_rts_cmd(ar->wmi, wiphy->rts_threshold); 1386bdcd8170SKalle Valo if (ret != 0) { 1387bdcd8170SKalle Valo ath6kl_err("ath6kl_wmi_set_rts_cmd failed\n"); 1388bdcd8170SKalle Valo return -EIO; 1389bdcd8170SKalle Valo } 1390bdcd8170SKalle Valo } 1391bdcd8170SKalle Valo 1392bdcd8170SKalle Valo return 0; 1393bdcd8170SKalle Valo } 1394bdcd8170SKalle Valo 1395bdcd8170SKalle Valo static int ath6kl_cfg80211_set_txpower(struct wiphy *wiphy, 1396c8442118SJohannes Berg struct wireless_dev *wdev, 1397bdcd8170SKalle Valo enum nl80211_tx_power_setting type, 1398b992a285SLuis R. Rodriguez int mbm) 1399bdcd8170SKalle Valo { 1400bdcd8170SKalle Valo struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy); 1401990bd915SVasanthakumar Thiagarajan struct ath6kl_vif *vif; 1402b992a285SLuis R. Rodriguez int dbm = MBM_TO_DBM(mbm); 1403bdcd8170SKalle Valo 1404bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x, dbm %d\n", __func__, 1405bdcd8170SKalle Valo type, dbm); 1406bdcd8170SKalle Valo 1407990bd915SVasanthakumar Thiagarajan vif = ath6kl_vif_first(ar); 1408990bd915SVasanthakumar Thiagarajan if (!vif) 1409990bd915SVasanthakumar Thiagarajan return -EIO; 1410990bd915SVasanthakumar Thiagarajan 1411990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1412bdcd8170SKalle Valo return -EIO; 1413bdcd8170SKalle Valo 1414bdcd8170SKalle Valo switch (type) { 1415bdcd8170SKalle Valo case NL80211_TX_POWER_AUTOMATIC: 1416bdcd8170SKalle Valo return 0; 1417bdcd8170SKalle Valo case NL80211_TX_POWER_LIMITED: 1418d0d670abSKalle Valo ar->tx_pwr = dbm; 1419bdcd8170SKalle Valo break; 1420bdcd8170SKalle Valo default: 1421bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x not supported\n", 1422bdcd8170SKalle Valo __func__, type); 1423bdcd8170SKalle Valo return -EOPNOTSUPP; 1424bdcd8170SKalle Valo } 1425bdcd8170SKalle Valo 1426d0d670abSKalle Valo ath6kl_wmi_set_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx, dbm); 1427bdcd8170SKalle Valo 1428bdcd8170SKalle Valo return 0; 1429bdcd8170SKalle Valo } 1430bdcd8170SKalle Valo 1431c8442118SJohannes Berg static int ath6kl_cfg80211_get_txpower(struct wiphy *wiphy, 1432c8442118SJohannes Berg struct wireless_dev *wdev, 1433c8442118SJohannes Berg int *dbm) 1434bdcd8170SKalle Valo { 1435bdcd8170SKalle Valo struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy); 1436990bd915SVasanthakumar Thiagarajan struct ath6kl_vif *vif; 1437bdcd8170SKalle Valo 1438990bd915SVasanthakumar Thiagarajan vif = ath6kl_vif_first(ar); 1439990bd915SVasanthakumar Thiagarajan if (!vif) 1440990bd915SVasanthakumar Thiagarajan return -EIO; 1441990bd915SVasanthakumar Thiagarajan 1442990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1443bdcd8170SKalle Valo return -EIO; 1444bdcd8170SKalle Valo 144559c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags)) { 1446bdcd8170SKalle Valo ar->tx_pwr = 0; 1447bdcd8170SKalle Valo 1448990bd915SVasanthakumar Thiagarajan if (ath6kl_wmi_get_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx) != 0) { 1449bdcd8170SKalle Valo ath6kl_err("ath6kl_wmi_get_tx_pwr_cmd failed\n"); 1450bdcd8170SKalle Valo return -EIO; 1451bdcd8170SKalle Valo } 1452bdcd8170SKalle Valo 1453bdcd8170SKalle Valo wait_event_interruptible_timeout(ar->event_wq, ar->tx_pwr != 0, 1454bdcd8170SKalle Valo 5 * HZ); 1455bdcd8170SKalle Valo 1456bdcd8170SKalle Valo if (signal_pending(current)) { 1457bdcd8170SKalle Valo ath6kl_err("target did not respond\n"); 1458bdcd8170SKalle Valo return -EINTR; 1459bdcd8170SKalle Valo } 1460bdcd8170SKalle Valo } 1461bdcd8170SKalle Valo 1462bdcd8170SKalle Valo *dbm = ar->tx_pwr; 1463bdcd8170SKalle Valo return 0; 1464bdcd8170SKalle Valo } 1465bdcd8170SKalle Valo 1466bdcd8170SKalle Valo static int ath6kl_cfg80211_set_power_mgmt(struct wiphy *wiphy, 1467bdcd8170SKalle Valo struct net_device *dev, 1468bdcd8170SKalle Valo bool pmgmt, int timeout) 1469bdcd8170SKalle Valo { 1470bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 1471bdcd8170SKalle Valo struct wmi_power_mode_cmd mode; 1472334234b5SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1473bdcd8170SKalle Valo 1474bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: pmgmt %d, timeout %d\n", 1475bdcd8170SKalle Valo __func__, pmgmt, timeout); 1476bdcd8170SKalle Valo 1477990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1478bdcd8170SKalle Valo return -EIO; 1479bdcd8170SKalle Valo 1480bdcd8170SKalle Valo if (pmgmt) { 1481f0ed67ecSMohammed Shafi Shajakhan ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: rec power\n", __func__); 1482bdcd8170SKalle Valo mode.pwr_mode = REC_POWER; 1483bdcd8170SKalle Valo } else { 1484f0ed67ecSMohammed Shafi Shajakhan ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: max perf\n", __func__); 1485bdcd8170SKalle Valo mode.pwr_mode = MAX_PERF_POWER; 1486bdcd8170SKalle Valo } 1487bdcd8170SKalle Valo 1488334234b5SVasanthakumar Thiagarajan if (ath6kl_wmi_powermode_cmd(ar->wmi, vif->fw_vif_idx, 1489334234b5SVasanthakumar Thiagarajan mode.pwr_mode) != 0) { 1490bdcd8170SKalle Valo ath6kl_err("wmi_powermode_cmd failed\n"); 1491bdcd8170SKalle Valo return -EIO; 1492bdcd8170SKalle Valo } 1493bdcd8170SKalle Valo 1494bdcd8170SKalle Valo return 0; 1495bdcd8170SKalle Valo } 1496bdcd8170SKalle Valo 149784efbb84SJohannes Berg static struct wireless_dev *ath6kl_cfg80211_add_iface(struct wiphy *wiphy, 1498552bff0cSJohannes Berg const char *name, 14996bab2e19STom Gundersen unsigned char name_assign_type, 150055055976SVasanthakumar Thiagarajan enum nl80211_iftype type, 150155055976SVasanthakumar Thiagarajan u32 *flags, 150255055976SVasanthakumar Thiagarajan struct vif_params *params) 150355055976SVasanthakumar Thiagarajan { 150455055976SVasanthakumar Thiagarajan struct ath6kl *ar = wiphy_priv(wiphy); 150584efbb84SJohannes Berg struct wireless_dev *wdev; 150655055976SVasanthakumar Thiagarajan u8 if_idx, nw_type; 150755055976SVasanthakumar Thiagarajan 150871f96ee6SKalle Valo if (ar->num_vif == ar->vif_max) { 150955055976SVasanthakumar Thiagarajan ath6kl_err("Reached maximum number of supported vif\n"); 151055055976SVasanthakumar Thiagarajan return ERR_PTR(-EINVAL); 151155055976SVasanthakumar Thiagarajan } 151255055976SVasanthakumar Thiagarajan 151355055976SVasanthakumar Thiagarajan if (!ath6kl_is_valid_iftype(ar, type, &if_idx, &nw_type)) { 151455055976SVasanthakumar Thiagarajan ath6kl_err("Not a supported interface type\n"); 151555055976SVasanthakumar Thiagarajan return ERR_PTR(-EINVAL); 151655055976SVasanthakumar Thiagarajan } 151755055976SVasanthakumar Thiagarajan 15186bab2e19STom Gundersen wdev = ath6kl_interface_add(ar, name, name_assign_type, type, if_idx, nw_type); 151984efbb84SJohannes Berg if (!wdev) 152055055976SVasanthakumar Thiagarajan return ERR_PTR(-ENOMEM); 152155055976SVasanthakumar Thiagarajan 152255055976SVasanthakumar Thiagarajan ar->num_vif++; 152355055976SVasanthakumar Thiagarajan 152484efbb84SJohannes Berg return wdev; 152555055976SVasanthakumar Thiagarajan } 152655055976SVasanthakumar Thiagarajan 152755055976SVasanthakumar Thiagarajan static int ath6kl_cfg80211_del_iface(struct wiphy *wiphy, 152884efbb84SJohannes Berg struct wireless_dev *wdev) 152955055976SVasanthakumar Thiagarajan { 153055055976SVasanthakumar Thiagarajan struct ath6kl *ar = wiphy_priv(wiphy); 153184efbb84SJohannes Berg struct ath6kl_vif *vif = netdev_priv(wdev->netdev); 153255055976SVasanthakumar Thiagarajan 153311f6e40dSVasanthakumar Thiagarajan spin_lock_bh(&ar->list_lock); 153455055976SVasanthakumar Thiagarajan list_del(&vif->list); 153511f6e40dSVasanthakumar Thiagarajan spin_unlock_bh(&ar->list_lock); 153655055976SVasanthakumar Thiagarajan 1537355b3a98SMohammed Shafi Shajakhan ath6kl_cfg80211_vif_stop(vif, test_bit(WMI_READY, &ar->flag)); 153855055976SVasanthakumar Thiagarajan 1539bc52aab3SMohammed Shafi Shajakhan rtnl_lock(); 1540c25889e8SKalle Valo ath6kl_cfg80211_vif_cleanup(vif); 1541bc52aab3SMohammed Shafi Shajakhan rtnl_unlock(); 154255055976SVasanthakumar Thiagarajan 154355055976SVasanthakumar Thiagarajan return 0; 154455055976SVasanthakumar Thiagarajan } 154555055976SVasanthakumar Thiagarajan 1546bdcd8170SKalle Valo static int ath6kl_cfg80211_change_iface(struct wiphy *wiphy, 1547bdcd8170SKalle Valo struct net_device *ndev, 1548bdcd8170SKalle Valo enum nl80211_iftype type, u32 *flags, 1549bdcd8170SKalle Valo struct vif_params *params) 1550bdcd8170SKalle Valo { 1551f5938f24SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 15521e8d13b0SVasanthakumar Thiagarajan int i; 1553bdcd8170SKalle Valo 1554bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type %u\n", __func__, type); 1555bdcd8170SKalle Valo 15561e8d13b0SVasanthakumar Thiagarajan /* 15571e8d13b0SVasanthakumar Thiagarajan * Don't bring up p2p on an interface which is not initialized 15581e8d13b0SVasanthakumar Thiagarajan * for p2p operation where fw does not have capability to switch 15591e8d13b0SVasanthakumar Thiagarajan * dynamically between non-p2p and p2p type interface. 15601e8d13b0SVasanthakumar Thiagarajan */ 15611e8d13b0SVasanthakumar Thiagarajan if (!test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX, 15621e8d13b0SVasanthakumar Thiagarajan vif->ar->fw_capabilities) && 15631e8d13b0SVasanthakumar Thiagarajan (type == NL80211_IFTYPE_P2P_CLIENT || 15641e8d13b0SVasanthakumar Thiagarajan type == NL80211_IFTYPE_P2P_GO)) { 15651e8d13b0SVasanthakumar Thiagarajan if (vif->ar->vif_max == 1) { 15661e8d13b0SVasanthakumar Thiagarajan if (vif->fw_vif_idx != 0) 15671e8d13b0SVasanthakumar Thiagarajan return -EINVAL; 15681e8d13b0SVasanthakumar Thiagarajan else 15691e8d13b0SVasanthakumar Thiagarajan goto set_iface_type; 15701e8d13b0SVasanthakumar Thiagarajan } 15711e8d13b0SVasanthakumar Thiagarajan 15721e8d13b0SVasanthakumar Thiagarajan for (i = vif->ar->max_norm_iface; i < vif->ar->vif_max; i++) { 15731e8d13b0SVasanthakumar Thiagarajan if (i == vif->fw_vif_idx) 15741e8d13b0SVasanthakumar Thiagarajan break; 15751e8d13b0SVasanthakumar Thiagarajan } 15761e8d13b0SVasanthakumar Thiagarajan 15771e8d13b0SVasanthakumar Thiagarajan if (i == vif->ar->vif_max) { 15781e8d13b0SVasanthakumar Thiagarajan ath6kl_err("Invalid interface to bring up P2P\n"); 15791e8d13b0SVasanthakumar Thiagarajan return -EINVAL; 15801e8d13b0SVasanthakumar Thiagarajan } 15811e8d13b0SVasanthakumar Thiagarajan } 15821e8d13b0SVasanthakumar Thiagarajan 1583c422d52dSThomas Pedersen /* need to clean up enhanced bmiss detection fw state */ 1584c422d52dSThomas Pedersen ath6kl_cfg80211_sta_bmiss_enhance(vif, false); 1585c422d52dSThomas Pedersen 15861e8d13b0SVasanthakumar Thiagarajan set_iface_type: 1587bdcd8170SKalle Valo switch (type) { 1588bdcd8170SKalle Valo case NL80211_IFTYPE_STATION: 15898aa659d2SMohammed Shafi Shajakhan case NL80211_IFTYPE_P2P_CLIENT: 1590f5938f24SVasanthakumar Thiagarajan vif->next_mode = INFRA_NETWORK; 1591bdcd8170SKalle Valo break; 1592bdcd8170SKalle Valo case NL80211_IFTYPE_ADHOC: 1593f5938f24SVasanthakumar Thiagarajan vif->next_mode = ADHOC_NETWORK; 1594bdcd8170SKalle Valo break; 15956e4604c8SJouni Malinen case NL80211_IFTYPE_AP: 15966b5e5d25SJouni Malinen case NL80211_IFTYPE_P2P_GO: 1597f5938f24SVasanthakumar Thiagarajan vif->next_mode = AP_NETWORK; 15986b5e5d25SJouni Malinen break; 1599bdcd8170SKalle Valo default: 1600bdcd8170SKalle Valo ath6kl_err("invalid interface type %u\n", type); 1601bdcd8170SKalle Valo return -EOPNOTSUPP; 1602bdcd8170SKalle Valo } 1603bdcd8170SKalle Valo 1604551959d8SVasanthakumar Thiagarajan vif->wdev.iftype = type; 1605bdcd8170SKalle Valo 1606bdcd8170SKalle Valo return 0; 1607bdcd8170SKalle Valo } 1608bdcd8170SKalle Valo 1609bdcd8170SKalle Valo static int ath6kl_cfg80211_join_ibss(struct wiphy *wiphy, 1610bdcd8170SKalle Valo struct net_device *dev, 1611bdcd8170SKalle Valo struct cfg80211_ibss_params *ibss_param) 1612bdcd8170SKalle Valo { 1613bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 161459c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1615bdcd8170SKalle Valo int status; 1616bdcd8170SKalle Valo 1617990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1618bdcd8170SKalle Valo return -EIO; 1619bdcd8170SKalle Valo 16203450334fSVasanthakumar Thiagarajan vif->ssid_len = ibss_param->ssid_len; 16213450334fSVasanthakumar Thiagarajan memcpy(vif->ssid, ibss_param->ssid, vif->ssid_len); 1622bdcd8170SKalle Valo 1623683b6d3bSJohannes Berg if (ibss_param->chandef.chan) 1624683b6d3bSJohannes Berg vif->ch_hint = ibss_param->chandef.chan->center_freq; 1625bdcd8170SKalle Valo 1626bdcd8170SKalle Valo if (ibss_param->channel_fixed) { 1627bdcd8170SKalle Valo /* 1628bdcd8170SKalle Valo * TODO: channel_fixed: The channel should be fixed, do not 1629bdcd8170SKalle Valo * search for IBSSs to join on other channels. Target 1630bdcd8170SKalle Valo * firmware does not support this feature, needs to be 1631bdcd8170SKalle Valo * updated. 1632bdcd8170SKalle Valo */ 1633bdcd8170SKalle Valo return -EOPNOTSUPP; 1634bdcd8170SKalle Valo } 1635bdcd8170SKalle Valo 16368c8b65e3SVasanthakumar Thiagarajan memset(vif->req_bssid, 0, sizeof(vif->req_bssid)); 1637bdcd8170SKalle Valo if (ibss_param->bssid && !is_broadcast_ether_addr(ibss_param->bssid)) 16388c8b65e3SVasanthakumar Thiagarajan memcpy(vif->req_bssid, ibss_param->bssid, 16398c8b65e3SVasanthakumar Thiagarajan sizeof(vif->req_bssid)); 1640bdcd8170SKalle Valo 1641240d2799SVasanthakumar Thiagarajan ath6kl_set_wpa_version(vif, 0); 1642bdcd8170SKalle Valo 1643240d2799SVasanthakumar Thiagarajan status = ath6kl_set_auth_type(vif, NL80211_AUTHTYPE_OPEN_SYSTEM); 1644bdcd8170SKalle Valo if (status) 1645bdcd8170SKalle Valo return status; 1646bdcd8170SKalle Valo 1647bdcd8170SKalle Valo if (ibss_param->privacy) { 1648240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, true); 1649240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, false); 1650bdcd8170SKalle Valo } else { 1651240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, 0, true); 1652240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, 0, false); 1653bdcd8170SKalle Valo } 1654bdcd8170SKalle Valo 1655f5938f24SVasanthakumar Thiagarajan vif->nw_type = vif->next_mode; 1656bdcd8170SKalle Valo 1657bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1658bdcd8170SKalle Valo "%s: connect called with authmode %d dot11 auth %d" 1659bdcd8170SKalle Valo " PW crypto %d PW crypto len %d GRP crypto %d" 1660bdcd8170SKalle Valo " GRP crypto len %d channel hint %u\n", 1661bdcd8170SKalle Valo __func__, 16623450334fSVasanthakumar Thiagarajan vif->auth_mode, vif->dot11_auth_mode, vif->prwise_crypto, 16633450334fSVasanthakumar Thiagarajan vif->prwise_crypto_len, vif->grp_crypto, 1664f74bac54SVasanthakumar Thiagarajan vif->grp_crypto_len, vif->ch_hint); 1665bdcd8170SKalle Valo 1666334234b5SVasanthakumar Thiagarajan status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type, 16673450334fSVasanthakumar Thiagarajan vif->dot11_auth_mode, vif->auth_mode, 16683450334fSVasanthakumar Thiagarajan vif->prwise_crypto, 16693450334fSVasanthakumar Thiagarajan vif->prwise_crypto_len, 16703450334fSVasanthakumar Thiagarajan vif->grp_crypto, vif->grp_crypto_len, 16713450334fSVasanthakumar Thiagarajan vif->ssid_len, vif->ssid, 1672f74bac54SVasanthakumar Thiagarajan vif->req_bssid, vif->ch_hint, 16733ca9d1fcSAarthi Thiruvengadam ar->connect_ctrl_flags, SUBTYPE_NONE); 167459c98449SVasanthakumar Thiagarajan set_bit(CONNECT_PEND, &vif->flags); 1675bdcd8170SKalle Valo 1676bdcd8170SKalle Valo return 0; 1677bdcd8170SKalle Valo } 1678bdcd8170SKalle Valo 1679bdcd8170SKalle Valo static int ath6kl_cfg80211_leave_ibss(struct wiphy *wiphy, 1680bdcd8170SKalle Valo struct net_device *dev) 1681bdcd8170SKalle Valo { 16823450334fSVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1683bdcd8170SKalle Valo 1684990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1685bdcd8170SKalle Valo return -EIO; 1686bdcd8170SKalle Valo 1687240d2799SVasanthakumar Thiagarajan ath6kl_disconnect(vif); 16883450334fSVasanthakumar Thiagarajan memset(vif->ssid, 0, sizeof(vif->ssid)); 16893450334fSVasanthakumar Thiagarajan vif->ssid_len = 0; 1690bdcd8170SKalle Valo 1691bdcd8170SKalle Valo return 0; 1692bdcd8170SKalle Valo } 1693bdcd8170SKalle Valo 1694bdcd8170SKalle Valo static const u32 cipher_suites[] = { 1695bdcd8170SKalle Valo WLAN_CIPHER_SUITE_WEP40, 1696bdcd8170SKalle Valo WLAN_CIPHER_SUITE_WEP104, 1697bdcd8170SKalle Valo WLAN_CIPHER_SUITE_TKIP, 1698bdcd8170SKalle Valo WLAN_CIPHER_SUITE_CCMP, 1699837cb97eSJouni Malinen CCKM_KRK_CIPHER_SUITE, 17005e07021eSDai Shuibing WLAN_CIPHER_SUITE_SMS4, 1701bdcd8170SKalle Valo }; 1702bdcd8170SKalle Valo 1703bdcd8170SKalle Valo static bool is_rate_legacy(s32 rate) 1704bdcd8170SKalle Valo { 1705bdcd8170SKalle Valo static const s32 legacy[] = { 1000, 2000, 5500, 11000, 1706bdcd8170SKalle Valo 6000, 9000, 12000, 18000, 24000, 1707bdcd8170SKalle Valo 36000, 48000, 54000 1708bdcd8170SKalle Valo }; 1709bdcd8170SKalle Valo u8 i; 1710bdcd8170SKalle Valo 1711bdcd8170SKalle Valo for (i = 0; i < ARRAY_SIZE(legacy); i++) 1712bdcd8170SKalle Valo if (rate == legacy[i]) 1713bdcd8170SKalle Valo return true; 1714bdcd8170SKalle Valo 1715bdcd8170SKalle Valo return false; 1716bdcd8170SKalle Valo } 1717bdcd8170SKalle Valo 1718bdcd8170SKalle Valo static bool is_rate_ht20(s32 rate, u8 *mcs, bool *sgi) 1719bdcd8170SKalle Valo { 1720bdcd8170SKalle Valo static const s32 ht20[] = { 6500, 13000, 19500, 26000, 39000, 1721bdcd8170SKalle Valo 52000, 58500, 65000, 72200 1722bdcd8170SKalle Valo }; 1723bdcd8170SKalle Valo u8 i; 1724bdcd8170SKalle Valo 1725bdcd8170SKalle Valo for (i = 0; i < ARRAY_SIZE(ht20); i++) { 1726bdcd8170SKalle Valo if (rate == ht20[i]) { 1727bdcd8170SKalle Valo if (i == ARRAY_SIZE(ht20) - 1) 1728bdcd8170SKalle Valo /* last rate uses sgi */ 1729bdcd8170SKalle Valo *sgi = true; 1730bdcd8170SKalle Valo else 1731bdcd8170SKalle Valo *sgi = false; 1732bdcd8170SKalle Valo 1733bdcd8170SKalle Valo *mcs = i; 1734bdcd8170SKalle Valo return true; 1735bdcd8170SKalle Valo } 1736bdcd8170SKalle Valo } 1737bdcd8170SKalle Valo return false; 1738bdcd8170SKalle Valo } 1739bdcd8170SKalle Valo 1740bdcd8170SKalle Valo static bool is_rate_ht40(s32 rate, u8 *mcs, bool *sgi) 1741bdcd8170SKalle Valo { 1742bdcd8170SKalle Valo static const s32 ht40[] = { 13500, 27000, 40500, 54000, 1743bdcd8170SKalle Valo 81000, 108000, 121500, 135000, 1744bdcd8170SKalle Valo 150000 1745bdcd8170SKalle Valo }; 1746bdcd8170SKalle Valo u8 i; 1747bdcd8170SKalle Valo 1748bdcd8170SKalle Valo for (i = 0; i < ARRAY_SIZE(ht40); i++) { 1749bdcd8170SKalle Valo if (rate == ht40[i]) { 1750bdcd8170SKalle Valo if (i == ARRAY_SIZE(ht40) - 1) 1751bdcd8170SKalle Valo /* last rate uses sgi */ 1752bdcd8170SKalle Valo *sgi = true; 1753bdcd8170SKalle Valo else 1754bdcd8170SKalle Valo *sgi = false; 1755bdcd8170SKalle Valo 1756bdcd8170SKalle Valo *mcs = i; 1757bdcd8170SKalle Valo return true; 1758bdcd8170SKalle Valo } 1759bdcd8170SKalle Valo } 1760bdcd8170SKalle Valo 1761bdcd8170SKalle Valo return false; 1762bdcd8170SKalle Valo } 1763bdcd8170SKalle Valo 1764bdcd8170SKalle Valo static int ath6kl_get_station(struct wiphy *wiphy, struct net_device *dev, 17653b3a0162SJohannes Berg const u8 *mac, struct station_info *sinfo) 1766bdcd8170SKalle Valo { 1767bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 176859c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1769bdcd8170SKalle Valo long left; 1770bdcd8170SKalle Valo bool sgi; 1771bdcd8170SKalle Valo s32 rate; 1772bdcd8170SKalle Valo int ret; 1773bdcd8170SKalle Valo u8 mcs; 1774bdcd8170SKalle Valo 17758c8b65e3SVasanthakumar Thiagarajan if (memcmp(mac, vif->bssid, ETH_ALEN) != 0) 1776bdcd8170SKalle Valo return -ENOENT; 1777bdcd8170SKalle Valo 1778bdcd8170SKalle Valo if (down_interruptible(&ar->sem)) 1779bdcd8170SKalle Valo return -EBUSY; 1780bdcd8170SKalle Valo 1781b95907a7SVasanthakumar Thiagarajan set_bit(STATS_UPDATE_PEND, &vif->flags); 1782bdcd8170SKalle Valo 1783334234b5SVasanthakumar Thiagarajan ret = ath6kl_wmi_get_stats_cmd(ar->wmi, vif->fw_vif_idx); 1784bdcd8170SKalle Valo 1785bdcd8170SKalle Valo if (ret != 0) { 1786bdcd8170SKalle Valo up(&ar->sem); 1787bdcd8170SKalle Valo return -EIO; 1788bdcd8170SKalle Valo } 1789bdcd8170SKalle Valo 1790bdcd8170SKalle Valo left = wait_event_interruptible_timeout(ar->event_wq, 1791bdcd8170SKalle Valo !test_bit(STATS_UPDATE_PEND, 1792b95907a7SVasanthakumar Thiagarajan &vif->flags), 1793bdcd8170SKalle Valo WMI_TIMEOUT); 1794bdcd8170SKalle Valo 1795bdcd8170SKalle Valo up(&ar->sem); 1796bdcd8170SKalle Valo 1797bdcd8170SKalle Valo if (left == 0) 1798bdcd8170SKalle Valo return -ETIMEDOUT; 1799bdcd8170SKalle Valo else if (left < 0) 1800bdcd8170SKalle Valo return left; 1801bdcd8170SKalle Valo 1802b95907a7SVasanthakumar Thiagarajan if (vif->target_stats.rx_byte) { 1803b95907a7SVasanthakumar Thiagarajan sinfo->rx_bytes = vif->target_stats.rx_byte; 1804319090bfSJohannes Berg sinfo->filled |= BIT(NL80211_STA_INFO_RX_BYTES64); 1805b95907a7SVasanthakumar Thiagarajan sinfo->rx_packets = vif->target_stats.rx_pkt; 1806319090bfSJohannes Berg sinfo->filled |= BIT(NL80211_STA_INFO_RX_PACKETS); 1807bdcd8170SKalle Valo } 1808bdcd8170SKalle Valo 1809b95907a7SVasanthakumar Thiagarajan if (vif->target_stats.tx_byte) { 1810b95907a7SVasanthakumar Thiagarajan sinfo->tx_bytes = vif->target_stats.tx_byte; 1811319090bfSJohannes Berg sinfo->filled |= BIT(NL80211_STA_INFO_TX_BYTES64); 1812b95907a7SVasanthakumar Thiagarajan sinfo->tx_packets = vif->target_stats.tx_pkt; 1813319090bfSJohannes Berg sinfo->filled |= BIT(NL80211_STA_INFO_TX_PACKETS); 1814bdcd8170SKalle Valo } 1815bdcd8170SKalle Valo 1816b95907a7SVasanthakumar Thiagarajan sinfo->signal = vif->target_stats.cs_rssi; 1817319090bfSJohannes Berg sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL); 1818bdcd8170SKalle Valo 1819b95907a7SVasanthakumar Thiagarajan rate = vif->target_stats.tx_ucast_rate; 1820bdcd8170SKalle Valo 1821bdcd8170SKalle Valo if (is_rate_legacy(rate)) { 1822bdcd8170SKalle Valo sinfo->txrate.legacy = rate / 100; 1823bdcd8170SKalle Valo } else if (is_rate_ht20(rate, &mcs, &sgi)) { 1824bdcd8170SKalle Valo if (sgi) { 1825bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; 1826bdcd8170SKalle Valo sinfo->txrate.mcs = mcs - 1; 1827bdcd8170SKalle Valo } else { 1828bdcd8170SKalle Valo sinfo->txrate.mcs = mcs; 1829bdcd8170SKalle Valo } 1830bdcd8170SKalle Valo 1831bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; 1832b51f3beeSJohannes Berg sinfo->txrate.bw = RATE_INFO_BW_20; 1833bdcd8170SKalle Valo } else if (is_rate_ht40(rate, &mcs, &sgi)) { 1834bdcd8170SKalle Valo if (sgi) { 1835bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; 1836bdcd8170SKalle Valo sinfo->txrate.mcs = mcs - 1; 1837bdcd8170SKalle Valo } else { 1838bdcd8170SKalle Valo sinfo->txrate.mcs = mcs; 1839bdcd8170SKalle Valo } 1840bdcd8170SKalle Valo 1841b51f3beeSJohannes Berg sinfo->txrate.bw = RATE_INFO_BW_40; 1842bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; 1843bdcd8170SKalle Valo } else { 18449a730834SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 18459a730834SKalle Valo "invalid rate from stats: %d\n", rate); 18469a730834SKalle Valo ath6kl_debug_war(ar, ATH6KL_WAR_INVALID_RATE); 1847bdcd8170SKalle Valo return 0; 1848bdcd8170SKalle Valo } 1849bdcd8170SKalle Valo 1850319090bfSJohannes Berg sinfo->filled |= BIT(NL80211_STA_INFO_TX_BITRATE); 1851bdcd8170SKalle Valo 185259c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags) && 185359c98449SVasanthakumar Thiagarajan test_bit(DTIM_PERIOD_AVAIL, &vif->flags) && 1854f5938f24SVasanthakumar Thiagarajan vif->nw_type == INFRA_NETWORK) { 1855319090bfSJohannes Berg sinfo->filled |= BIT(NL80211_STA_INFO_BSS_PARAM); 185632c10874SJouni Malinen sinfo->bss_param.flags = 0; 1857cf5333d7SVasanthakumar Thiagarajan sinfo->bss_param.dtim_period = vif->assoc_bss_dtim_period; 1858cf5333d7SVasanthakumar Thiagarajan sinfo->bss_param.beacon_interval = vif->assoc_bss_beacon_int; 185932c10874SJouni Malinen } 186032c10874SJouni Malinen 1861bdcd8170SKalle Valo return 0; 1862bdcd8170SKalle Valo } 1863bdcd8170SKalle Valo 1864bdcd8170SKalle Valo static int ath6kl_set_pmksa(struct wiphy *wiphy, struct net_device *netdev, 1865bdcd8170SKalle Valo struct cfg80211_pmksa *pmksa) 1866bdcd8170SKalle Valo { 1867bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(netdev); 1868334234b5SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(netdev); 1869334234b5SVasanthakumar Thiagarajan 1870334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid, 1871bdcd8170SKalle Valo pmksa->pmkid, true); 1872bdcd8170SKalle Valo } 1873bdcd8170SKalle Valo 1874bdcd8170SKalle Valo static int ath6kl_del_pmksa(struct wiphy *wiphy, struct net_device *netdev, 1875bdcd8170SKalle Valo struct cfg80211_pmksa *pmksa) 1876bdcd8170SKalle Valo { 1877bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(netdev); 1878334234b5SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(netdev); 1879334234b5SVasanthakumar Thiagarajan 1880334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid, 1881bdcd8170SKalle Valo pmksa->pmkid, false); 1882bdcd8170SKalle Valo } 1883bdcd8170SKalle Valo 1884bdcd8170SKalle Valo static int ath6kl_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev) 1885bdcd8170SKalle Valo { 1886bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(netdev); 188759c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(netdev); 188859c98449SVasanthakumar Thiagarajan 188959c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags)) 1890334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, 1891334234b5SVasanthakumar Thiagarajan vif->bssid, NULL, false); 1892bdcd8170SKalle Valo return 0; 1893bdcd8170SKalle Valo } 1894bdcd8170SKalle Valo 1895d91e8eeeSRaja Mani static int ath6kl_wow_usr(struct ath6kl *ar, struct ath6kl_vif *vif, 1896d91e8eeeSRaja Mani struct cfg80211_wowlan *wow, u32 *filter) 18976cb3c714SRaja Mani { 1898d91e8eeeSRaja Mani int ret, pos; 18992c07cf44SThomas Pedersen u8 mask[WOW_PATTERN_SIZE]; 19006cb3c714SRaja Mani u16 i; 19016cb3c714SRaja Mani 1902d91e8eeeSRaja Mani /* Configure the patterns that we received from the user. */ 19036cb3c714SRaja Mani for (i = 0; i < wow->n_patterns; i++) { 19046cb3c714SRaja Mani /* 19056cb3c714SRaja Mani * Convert given nl80211 specific mask value to equivalent 19066cb3c714SRaja Mani * driver specific mask value and send it to the chip along 19076cb3c714SRaja Mani * with patterns. For example, If the mask value defined in 19086cb3c714SRaja Mani * struct cfg80211_wowlan is 0xA (equivalent binary is 1010), 19096cb3c714SRaja Mani * then equivalent driver specific mask value is 19106cb3c714SRaja Mani * "0xFF 0x00 0xFF 0x00". 19116cb3c714SRaja Mani */ 19126cb3c714SRaja Mani memset(&mask, 0, sizeof(mask)); 19136cb3c714SRaja Mani for (pos = 0; pos < wow->patterns[i].pattern_len; pos++) { 19146cb3c714SRaja Mani if (wow->patterns[i].mask[pos / 8] & (0x1 << (pos % 8))) 19156cb3c714SRaja Mani mask[pos] = 0xFF; 19166cb3c714SRaja Mani } 19176cb3c714SRaja Mani /* 19186cb3c714SRaja Mani * Note: Pattern's offset is not passed as part of wowlan 19196cb3c714SRaja Mani * parameter from CFG layer. So it's always passed as ZERO 19206cb3c714SRaja Mani * to the firmware. It means, given WOW patterns are always 19216cb3c714SRaja Mani * matched from the first byte of received pkt in the firmware. 19226cb3c714SRaja Mani */ 19236cb3c714SRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 19246cb3c714SRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 19256cb3c714SRaja Mani wow->patterns[i].pattern_len, 19266cb3c714SRaja Mani 0 /* pattern offset */, 19276cb3c714SRaja Mani wow->patterns[i].pattern, mask); 19286cb3c714SRaja Mani if (ret) 19296cb3c714SRaja Mani return ret; 19306cb3c714SRaja Mani } 19316cb3c714SRaja Mani 1932d91e8eeeSRaja Mani if (wow->disconnect) 1933d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_NWK_DISASSOC; 1934d91e8eeeSRaja Mani 1935d91e8eeeSRaja Mani if (wow->magic_pkt) 1936d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_MAGIC_PACKET; 1937d91e8eeeSRaja Mani 1938d91e8eeeSRaja Mani if (wow->gtk_rekey_failure) 1939d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_GTK_ERROR; 1940d91e8eeeSRaja Mani 1941d91e8eeeSRaja Mani if (wow->eap_identity_req) 1942d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_EAP_REQ; 1943d91e8eeeSRaja Mani 1944d91e8eeeSRaja Mani if (wow->four_way_handshake) 1945d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_8021X_4WAYHS; 1946d91e8eeeSRaja Mani 1947d91e8eeeSRaja Mani return 0; 1948d91e8eeeSRaja Mani } 1949d91e8eeeSRaja Mani 1950d91e8eeeSRaja Mani static int ath6kl_wow_ap(struct ath6kl *ar, struct ath6kl_vif *vif) 1951d91e8eeeSRaja Mani { 1952d91e8eeeSRaja Mani static const u8 unicst_pattern[] = { 0x00, 0x00, 0x00, 1953d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1954d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1955d91e8eeeSRaja Mani 0x00, 0x08 }; 1956d91e8eeeSRaja Mani static const u8 unicst_mask[] = { 0x01, 0x00, 0x00, 1957d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1958d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1959d91e8eeeSRaja Mani 0x00, 0x7f }; 1960d91e8eeeSRaja Mani u8 unicst_offset = 0; 1961d91e8eeeSRaja Mani static const u8 arp_pattern[] = { 0x08, 0x06 }; 1962d91e8eeeSRaja Mani static const u8 arp_mask[] = { 0xff, 0xff }; 1963d91e8eeeSRaja Mani u8 arp_offset = 20; 1964d91e8eeeSRaja Mani static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 }; 1965d91e8eeeSRaja Mani static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 }; 1966d91e8eeeSRaja Mani u8 discvr_offset = 38; 1967d91e8eeeSRaja Mani static const u8 dhcp_pattern[] = { 0xff, 0xff, 0xff, 0xff, 1968d91e8eeeSRaja Mani 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1969d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 1970d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1971d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1972d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x43 /* port 67 */ }; 1973d91e8eeeSRaja Mani static const u8 dhcp_mask[] = { 0xff, 0xff, 0xff, 0xff, 1974d91e8eeeSRaja Mani 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1975d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 1976d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1977d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1978d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0xff, 0xff /* port 67 */ }; 1979d91e8eeeSRaja Mani u8 dhcp_offset = 0; 1980d91e8eeeSRaja Mani int ret; 1981d91e8eeeSRaja Mani 1982d91e8eeeSRaja Mani /* Setup unicast IP, EAPOL-like and ARP pkt pattern */ 1983d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 1984d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 1985d91e8eeeSRaja Mani sizeof(unicst_pattern), unicst_offset, 1986d91e8eeeSRaja Mani unicst_pattern, unicst_mask); 1987d91e8eeeSRaja Mani if (ret) { 1988d91e8eeeSRaja Mani ath6kl_err("failed to add WOW unicast IP pattern\n"); 1989d91e8eeeSRaja Mani return ret; 1990d91e8eeeSRaja Mani } 1991d91e8eeeSRaja Mani 1992d91e8eeeSRaja Mani /* Setup all ARP pkt pattern */ 1993d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 1994d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 1995d91e8eeeSRaja Mani sizeof(arp_pattern), arp_offset, 1996d91e8eeeSRaja Mani arp_pattern, arp_mask); 1997d91e8eeeSRaja Mani if (ret) { 1998d91e8eeeSRaja Mani ath6kl_err("failed to add WOW ARP pattern\n"); 1999d91e8eeeSRaja Mani return ret; 2000d91e8eeeSRaja Mani } 2001d91e8eeeSRaja Mani 2002d91e8eeeSRaja Mani /* 2003d91e8eeeSRaja Mani * Setup multicast pattern for mDNS 224.0.0.251, 2004d91e8eeeSRaja Mani * SSDP 239.255.255.250 and LLMNR 224.0.0.252 2005d91e8eeeSRaja Mani */ 2006d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 2007d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 2008d91e8eeeSRaja Mani sizeof(discvr_pattern), discvr_offset, 2009d91e8eeeSRaja Mani discvr_pattern, discvr_mask); 2010d91e8eeeSRaja Mani if (ret) { 2011d91e8eeeSRaja Mani ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n"); 2012d91e8eeeSRaja Mani return ret; 2013d91e8eeeSRaja Mani } 2014d91e8eeeSRaja Mani 2015d91e8eeeSRaja Mani /* Setup all DHCP broadcast pkt pattern */ 2016d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 2017d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 2018d91e8eeeSRaja Mani sizeof(dhcp_pattern), dhcp_offset, 2019d91e8eeeSRaja Mani dhcp_pattern, dhcp_mask); 2020d91e8eeeSRaja Mani if (ret) { 2021d91e8eeeSRaja Mani ath6kl_err("failed to add WOW DHCP broadcast pattern\n"); 2022d91e8eeeSRaja Mani return ret; 2023d91e8eeeSRaja Mani } 2024d91e8eeeSRaja Mani 2025d91e8eeeSRaja Mani return 0; 2026d91e8eeeSRaja Mani } 2027d91e8eeeSRaja Mani 2028d91e8eeeSRaja Mani static int ath6kl_wow_sta(struct ath6kl *ar, struct ath6kl_vif *vif) 2029d91e8eeeSRaja Mani { 2030d91e8eeeSRaja Mani struct net_device *ndev = vif->ndev; 2031d91e8eeeSRaja Mani static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 }; 2032d91e8eeeSRaja Mani static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 }; 2033d91e8eeeSRaja Mani u8 discvr_offset = 38; 2034d91e8eeeSRaja Mani u8 mac_mask[ETH_ALEN]; 2035d91e8eeeSRaja Mani int ret; 2036d91e8eeeSRaja Mani 2037d91e8eeeSRaja Mani /* Setup unicast pkt pattern */ 203893803b33SJoe Perches eth_broadcast_addr(mac_mask); 2039d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 2040d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 2041d91e8eeeSRaja Mani ETH_ALEN, 0, ndev->dev_addr, 2042d91e8eeeSRaja Mani mac_mask); 2043d91e8eeeSRaja Mani if (ret) { 2044d91e8eeeSRaja Mani ath6kl_err("failed to add WOW unicast pattern\n"); 2045d91e8eeeSRaja Mani return ret; 2046d91e8eeeSRaja Mani } 2047d91e8eeeSRaja Mani 2048d91e8eeeSRaja Mani /* 2049d91e8eeeSRaja Mani * Setup multicast pattern for mDNS 224.0.0.251, 2050d91e8eeeSRaja Mani * SSDP 239.255.255.250 and LLMNR 224.0.0.252 2051d91e8eeeSRaja Mani */ 2052d91e8eeeSRaja Mani if ((ndev->flags & IFF_ALLMULTI) || 2053d91e8eeeSRaja Mani (ndev->flags & IFF_MULTICAST && netdev_mc_count(ndev) > 0)) { 2054d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 2055d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 2056d91e8eeeSRaja Mani sizeof(discvr_pattern), discvr_offset, 2057d91e8eeeSRaja Mani discvr_pattern, discvr_mask); 2058d91e8eeeSRaja Mani if (ret) { 2059cdeb8602SKalle Valo ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n"); 2060d91e8eeeSRaja Mani return ret; 2061d91e8eeeSRaja Mani } 2062d91e8eeeSRaja Mani } 2063d91e8eeeSRaja Mani 2064d91e8eeeSRaja Mani return 0; 2065d91e8eeeSRaja Mani } 2066d91e8eeeSRaja Mani 2067055bde49SRaja Mani static int is_hsleep_mode_procsed(struct ath6kl_vif *vif) 2068055bde49SRaja Mani { 2069055bde49SRaja Mani return test_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags); 2070055bde49SRaja Mani } 2071055bde49SRaja Mani 2072055bde49SRaja Mani static bool is_ctrl_ep_empty(struct ath6kl *ar) 2073055bde49SRaja Mani { 2074055bde49SRaja Mani return !ar->tx_pending[ar->ctrl_ep]; 2075055bde49SRaja Mani } 2076055bde49SRaja Mani 2077055bde49SRaja Mani static int ath6kl_cfg80211_host_sleep(struct ath6kl *ar, struct ath6kl_vif *vif) 2078055bde49SRaja Mani { 2079055bde49SRaja Mani int ret, left; 2080055bde49SRaja Mani 2081055bde49SRaja Mani clear_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags); 2082055bde49SRaja Mani 2083055bde49SRaja Mani ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, 2084055bde49SRaja Mani ATH6KL_HOST_MODE_ASLEEP); 2085055bde49SRaja Mani if (ret) 2086055bde49SRaja Mani return ret; 2087055bde49SRaja Mani 2088055bde49SRaja Mani left = wait_event_interruptible_timeout(ar->event_wq, 2089055bde49SRaja Mani is_hsleep_mode_procsed(vif), 2090055bde49SRaja Mani WMI_TIMEOUT); 2091055bde49SRaja Mani if (left == 0) { 2092055bde49SRaja Mani ath6kl_warn("timeout, didn't get host sleep cmd processed event\n"); 2093055bde49SRaja Mani ret = -ETIMEDOUT; 2094055bde49SRaja Mani } else if (left < 0) { 2095055bde49SRaja Mani ath6kl_warn("error while waiting for host sleep cmd processed event %d\n", 2096055bde49SRaja Mani left); 2097055bde49SRaja Mani ret = left; 2098055bde49SRaja Mani } 2099055bde49SRaja Mani 2100055bde49SRaja Mani if (ar->tx_pending[ar->ctrl_ep]) { 2101055bde49SRaja Mani left = wait_event_interruptible_timeout(ar->event_wq, 2102055bde49SRaja Mani is_ctrl_ep_empty(ar), 2103055bde49SRaja Mani WMI_TIMEOUT); 2104055bde49SRaja Mani if (left == 0) { 2105055bde49SRaja Mani ath6kl_warn("clear wmi ctrl data timeout\n"); 2106055bde49SRaja Mani ret = -ETIMEDOUT; 2107055bde49SRaja Mani } else if (left < 0) { 2108055bde49SRaja Mani ath6kl_warn("clear wmi ctrl data failed: %d\n", left); 2109055bde49SRaja Mani ret = left; 2110055bde49SRaja Mani } 2111055bde49SRaja Mani } 2112055bde49SRaja Mani 2113055bde49SRaja Mani return ret; 2114055bde49SRaja Mani } 2115055bde49SRaja Mani 2116fd4377b6SThomas Pedersen static int ath6kl_wow_suspend_vif(struct ath6kl_vif *vif, 2117fd4377b6SThomas Pedersen struct cfg80211_wowlan *wow, u32 *filter) 2118d91e8eeeSRaja Mani { 2119fd4377b6SThomas Pedersen struct ath6kl *ar = vif->ar; 2120d91e8eeeSRaja Mani struct in_device *in_dev; 2121d91e8eeeSRaja Mani struct in_ifaddr *ifa; 2122055bde49SRaja Mani int ret; 2123ce0dc0cfSRaja Mani u16 i, bmiss_time; 2124d91e8eeeSRaja Mani __be32 ips[MAX_IP_ADDRS]; 2125fd4377b6SThomas Pedersen u8 index = 0; 2126d91e8eeeSRaja Mani 21276821d4f0SNaveen Gangadharan if (!test_bit(NETDEV_MCAST_ALL_ON, &vif->flags) && 21286821d4f0SNaveen Gangadharan test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER, 21296821d4f0SNaveen Gangadharan ar->fw_capabilities)) { 21306251d801SNaveen Gangadharan ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi, 21316251d801SNaveen Gangadharan vif->fw_vif_idx, false); 21326251d801SNaveen Gangadharan if (ret) 21336251d801SNaveen Gangadharan return ret; 21346251d801SNaveen Gangadharan } 21356251d801SNaveen Gangadharan 2136d91e8eeeSRaja Mani /* Clear existing WOW patterns */ 2137d91e8eeeSRaja Mani for (i = 0; i < WOW_MAX_FILTERS_PER_LIST; i++) 2138d91e8eeeSRaja Mani ath6kl_wmi_del_wow_pattern_cmd(ar->wmi, vif->fw_vif_idx, 2139d91e8eeeSRaja Mani WOW_LIST_ID, i); 2140d91e8eeeSRaja Mani 2141d91e8eeeSRaja Mani /* 2142d91e8eeeSRaja Mani * Skip the default WOW pattern configuration 2143d91e8eeeSRaja Mani * if the driver receives any WOW patterns from 2144d91e8eeeSRaja Mani * the user. 2145d91e8eeeSRaja Mani */ 2146d91e8eeeSRaja Mani if (wow) 2147fd4377b6SThomas Pedersen ret = ath6kl_wow_usr(ar, vif, wow, filter); 2148d91e8eeeSRaja Mani else if (vif->nw_type == AP_NETWORK) 2149d91e8eeeSRaja Mani ret = ath6kl_wow_ap(ar, vif); 2150d91e8eeeSRaja Mani else 2151d91e8eeeSRaja Mani ret = ath6kl_wow_sta(ar, vif); 2152d91e8eeeSRaja Mani 2153d91e8eeeSRaja Mani if (ret) 2154d91e8eeeSRaja Mani return ret; 2155d91e8eeeSRaja Mani 2156390a8c8fSRaja Mani netif_stop_queue(vif->ndev); 2157390a8c8fSRaja Mani 2158ce0dc0cfSRaja Mani if (vif->nw_type != AP_NETWORK) { 2159ce0dc0cfSRaja Mani ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx, 2160ce0dc0cfSRaja Mani ATH6KL_MAX_WOW_LISTEN_INTL, 2161ce0dc0cfSRaja Mani 0); 2162ce0dc0cfSRaja Mani if (ret) 2163ce0dc0cfSRaja Mani return ret; 2164ce0dc0cfSRaja Mani 2165ce0dc0cfSRaja Mani /* Set listen interval x 15 times as bmiss time */ 2166ce0dc0cfSRaja Mani bmiss_time = ATH6KL_MAX_WOW_LISTEN_INTL * 15; 2167ce0dc0cfSRaja Mani if (bmiss_time > ATH6KL_MAX_BMISS_TIME) 2168ce0dc0cfSRaja Mani bmiss_time = ATH6KL_MAX_BMISS_TIME; 2169ce0dc0cfSRaja Mani 2170ce0dc0cfSRaja Mani ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx, 2171ce0dc0cfSRaja Mani bmiss_time, 0); 2172ce0dc0cfSRaja Mani if (ret) 2173ce0dc0cfSRaja Mani return ret; 2174ce0dc0cfSRaja Mani 2175ce0dc0cfSRaja Mani ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 2176ce0dc0cfSRaja Mani 0xFFFF, 0, 0xFFFF, 0, 0, 0, 2177ce0dc0cfSRaja Mani 0, 0, 0, 0); 2178ce0dc0cfSRaja Mani if (ret) 2179ce0dc0cfSRaja Mani return ret; 2180ce0dc0cfSRaja Mani } 2181ce0dc0cfSRaja Mani 2182c08631c6SRaja Mani /* Setup own IP addr for ARP agent. */ 2183c08631c6SRaja Mani in_dev = __in_dev_get_rtnl(vif->ndev); 2184c08631c6SRaja Mani if (!in_dev) 2185fd4377b6SThomas Pedersen return 0; 2186c08631c6SRaja Mani 2187c08631c6SRaja Mani ifa = in_dev->ifa_list; 2188c08631c6SRaja Mani memset(&ips, 0, sizeof(ips)); 2189c08631c6SRaja Mani 2190c08631c6SRaja Mani /* Configure IP addr only if IP address count < MAX_IP_ADDRS */ 2191c08631c6SRaja Mani while (index < MAX_IP_ADDRS && ifa) { 2192c08631c6SRaja Mani ips[index] = ifa->ifa_local; 2193c08631c6SRaja Mani ifa = ifa->ifa_next; 2194c08631c6SRaja Mani index++; 2195c08631c6SRaja Mani } 2196c08631c6SRaja Mani 2197c08631c6SRaja Mani if (ifa) { 2198c08631c6SRaja Mani ath6kl_err("total IP addr count is exceeding fw limit\n"); 2199c08631c6SRaja Mani return -EINVAL; 2200c08631c6SRaja Mani } 2201c08631c6SRaja Mani 2202c08631c6SRaja Mani ret = ath6kl_wmi_set_ip_cmd(ar->wmi, vif->fw_vif_idx, ips[0], ips[1]); 2203c08631c6SRaja Mani if (ret) { 2204c08631c6SRaja Mani ath6kl_err("fail to setup ip for arp agent\n"); 2205c08631c6SRaja Mani return ret; 2206c08631c6SRaja Mani } 2207c08631c6SRaja Mani 2208fd4377b6SThomas Pedersen return ret; 2209fd4377b6SThomas Pedersen } 2210fd4377b6SThomas Pedersen 2211fd4377b6SThomas Pedersen static int ath6kl_wow_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow) 2212fd4377b6SThomas Pedersen { 2213fd4377b6SThomas Pedersen struct ath6kl_vif *first_vif, *vif; 2214fd4377b6SThomas Pedersen int ret = 0; 2215fd4377b6SThomas Pedersen u32 filter = 0; 2216fd4377b6SThomas Pedersen bool connected = false; 2217fd4377b6SThomas Pedersen 2218fd4377b6SThomas Pedersen /* enter / leave wow suspend on first vif always */ 2219fd4377b6SThomas Pedersen first_vif = ath6kl_vif_first(ar); 2220fd4377b6SThomas Pedersen if (WARN_ON(unlikely(!first_vif)) || 2221fd4377b6SThomas Pedersen !ath6kl_cfg80211_ready(first_vif)) 2222fd4377b6SThomas Pedersen return -EIO; 2223fd4377b6SThomas Pedersen 2224fd4377b6SThomas Pedersen if (wow && (wow->n_patterns > WOW_MAX_FILTERS_PER_LIST)) 2225fd4377b6SThomas Pedersen return -EINVAL; 2226fd4377b6SThomas Pedersen 2227fd4377b6SThomas Pedersen /* install filters for each connected vif */ 2228fd4377b6SThomas Pedersen spin_lock_bh(&ar->list_lock); 2229fd4377b6SThomas Pedersen list_for_each_entry(vif, &ar->vif_list, list) { 2230fd4377b6SThomas Pedersen if (!test_bit(CONNECTED, &vif->flags) || 2231fd4377b6SThomas Pedersen !ath6kl_cfg80211_ready(vif)) 2232fd4377b6SThomas Pedersen continue; 2233fd4377b6SThomas Pedersen connected = true; 2234fd4377b6SThomas Pedersen 2235fd4377b6SThomas Pedersen ret = ath6kl_wow_suspend_vif(vif, wow, &filter); 2236fd4377b6SThomas Pedersen if (ret) 2237fd4377b6SThomas Pedersen break; 2238fd4377b6SThomas Pedersen } 2239fd4377b6SThomas Pedersen spin_unlock_bh(&ar->list_lock); 2240fd4377b6SThomas Pedersen 2241fd4377b6SThomas Pedersen if (!connected) 2242fd4377b6SThomas Pedersen return -ENOTCONN; 2243fd4377b6SThomas Pedersen else if (ret) 2244fd4377b6SThomas Pedersen return ret; 2245fd4377b6SThomas Pedersen 2246fd4377b6SThomas Pedersen ar->state = ATH6KL_STATE_SUSPENDING; 2247fd4377b6SThomas Pedersen 2248fd4377b6SThomas Pedersen ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, first_vif->fw_vif_idx, 22496cb3c714SRaja Mani ATH6KL_WOW_MODE_ENABLE, 22506cb3c714SRaja Mani filter, 22516cb3c714SRaja Mani WOW_HOST_REQ_DELAY); 22526cb3c714SRaja Mani if (ret) 22536cb3c714SRaja Mani return ret; 22546cb3c714SRaja Mani 2255fd4377b6SThomas Pedersen return ath6kl_cfg80211_host_sleep(ar, first_vif); 22566cb3c714SRaja Mani } 22576cb3c714SRaja Mani 2258fd4377b6SThomas Pedersen static int ath6kl_wow_resume_vif(struct ath6kl_vif *vif) 22596cb3c714SRaja Mani { 2260fd4377b6SThomas Pedersen struct ath6kl *ar = vif->ar; 22616cb3c714SRaja Mani int ret; 22626cb3c714SRaja Mani 2263ce0dc0cfSRaja Mani if (vif->nw_type != AP_NETWORK) { 2264ce0dc0cfSRaja Mani ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 2265ce0dc0cfSRaja Mani 0, 0, 0, 0, 0, 0, 3, 0, 0, 0); 2266ce0dc0cfSRaja Mani if (ret) 2267ce0dc0cfSRaja Mani return ret; 2268ce0dc0cfSRaja Mani 2269ce0dc0cfSRaja Mani ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx, 2270ce0dc0cfSRaja Mani vif->listen_intvl_t, 0); 2271ce0dc0cfSRaja Mani if (ret) 2272ce0dc0cfSRaja Mani return ret; 2273ce0dc0cfSRaja Mani 2274ce0dc0cfSRaja Mani ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx, 2275ce0dc0cfSRaja Mani vif->bmiss_time_t, 0); 2276ce0dc0cfSRaja Mani if (ret) 2277ce0dc0cfSRaja Mani return ret; 2278ce0dc0cfSRaja Mani } 2279ce0dc0cfSRaja Mani 22806821d4f0SNaveen Gangadharan if (!test_bit(NETDEV_MCAST_ALL_OFF, &vif->flags) && 22816821d4f0SNaveen Gangadharan test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER, 22826821d4f0SNaveen Gangadharan ar->fw_capabilities)) { 22836251d801SNaveen Gangadharan ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi, 22846251d801SNaveen Gangadharan vif->fw_vif_idx, true); 22856251d801SNaveen Gangadharan if (ret) 22866251d801SNaveen Gangadharan return ret; 22876251d801SNaveen Gangadharan } 22886251d801SNaveen Gangadharan 2289390a8c8fSRaja Mani netif_wake_queue(vif->ndev); 2290390a8c8fSRaja Mani 2291390a8c8fSRaja Mani return 0; 2292390a8c8fSRaja Mani } 2293390a8c8fSRaja Mani 2294fd4377b6SThomas Pedersen static int ath6kl_wow_resume(struct ath6kl *ar) 2295fd4377b6SThomas Pedersen { 2296fd4377b6SThomas Pedersen struct ath6kl_vif *vif; 2297fd4377b6SThomas Pedersen int ret; 2298fd4377b6SThomas Pedersen 2299fd4377b6SThomas Pedersen vif = ath6kl_vif_first(ar); 2300fd4377b6SThomas Pedersen if (WARN_ON(unlikely(!vif)) || 2301fd4377b6SThomas Pedersen !ath6kl_cfg80211_ready(vif)) 2302fd4377b6SThomas Pedersen return -EIO; 2303fd4377b6SThomas Pedersen 2304fd4377b6SThomas Pedersen ar->state = ATH6KL_STATE_RESUMING; 2305fd4377b6SThomas Pedersen 2306fd4377b6SThomas Pedersen ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, 2307fd4377b6SThomas Pedersen ATH6KL_HOST_MODE_AWAKE); 2308fd4377b6SThomas Pedersen if (ret) { 2309fd4377b6SThomas Pedersen ath6kl_warn("Failed to configure host sleep mode for wow resume: %d\n", 2310fd4377b6SThomas Pedersen ret); 2311fd4377b6SThomas Pedersen goto cleanup; 2312fd4377b6SThomas Pedersen } 2313fd4377b6SThomas Pedersen 2314fd4377b6SThomas Pedersen spin_lock_bh(&ar->list_lock); 2315fd4377b6SThomas Pedersen list_for_each_entry(vif, &ar->vif_list, list) { 2316fd4377b6SThomas Pedersen if (!test_bit(CONNECTED, &vif->flags) || 2317fd4377b6SThomas Pedersen !ath6kl_cfg80211_ready(vif)) 2318fd4377b6SThomas Pedersen continue; 2319fd4377b6SThomas Pedersen ret = ath6kl_wow_resume_vif(vif); 2320fd4377b6SThomas Pedersen if (ret) 2321fd4377b6SThomas Pedersen break; 2322fd4377b6SThomas Pedersen } 2323fd4377b6SThomas Pedersen spin_unlock_bh(&ar->list_lock); 2324fd4377b6SThomas Pedersen 2325fd4377b6SThomas Pedersen if (ret) 2326fd4377b6SThomas Pedersen goto cleanup; 2327fd4377b6SThomas Pedersen 2328fd4377b6SThomas Pedersen ar->state = ATH6KL_STATE_ON; 2329fd4377b6SThomas Pedersen return 0; 2330fd4377b6SThomas Pedersen 2331fd4377b6SThomas Pedersen cleanup: 2332fd4377b6SThomas Pedersen ar->state = ATH6KL_STATE_WOW; 2333fd4377b6SThomas Pedersen return ret; 2334fd4377b6SThomas Pedersen } 2335fd4377b6SThomas Pedersen 233640abc2deSRaja Mani static int ath6kl_cfg80211_deepsleep_suspend(struct ath6kl *ar) 233740abc2deSRaja Mani { 233840abc2deSRaja Mani struct ath6kl_vif *vif; 233940abc2deSRaja Mani int ret; 234040abc2deSRaja Mani 234140abc2deSRaja Mani vif = ath6kl_vif_first(ar); 234240abc2deSRaja Mani if (!vif) 234340abc2deSRaja Mani return -EIO; 234440abc2deSRaja Mani 234548f27587SMing Jiang if (!test_bit(WMI_READY, &ar->flag)) { 234648f27587SMing Jiang ath6kl_err("deepsleep failed as wmi is not ready\n"); 234740abc2deSRaja Mani return -EIO; 234848f27587SMing Jiang } 234940abc2deSRaja Mani 235040abc2deSRaja Mani ath6kl_cfg80211_stop_all(ar); 235140abc2deSRaja Mani 235240abc2deSRaja Mani /* Save the current power mode before enabling power save */ 235340abc2deSRaja Mani ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode; 235440abc2deSRaja Mani 235540abc2deSRaja Mani ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER); 235640abc2deSRaja Mani if (ret) 235740abc2deSRaja Mani return ret; 235840abc2deSRaja Mani 235940abc2deSRaja Mani /* Disable WOW mode */ 236040abc2deSRaja Mani ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx, 236140abc2deSRaja Mani ATH6KL_WOW_MODE_DISABLE, 236240abc2deSRaja Mani 0, 0); 236340abc2deSRaja Mani if (ret) 236440abc2deSRaja Mani return ret; 236540abc2deSRaja Mani 236640abc2deSRaja Mani /* Flush all non control pkts in TX path */ 236740abc2deSRaja Mani ath6kl_tx_data_cleanup(ar); 236840abc2deSRaja Mani 236940abc2deSRaja Mani ret = ath6kl_cfg80211_host_sleep(ar, vif); 237040abc2deSRaja Mani if (ret) 237140abc2deSRaja Mani return ret; 237240abc2deSRaja Mani 237340abc2deSRaja Mani return 0; 237440abc2deSRaja Mani } 237540abc2deSRaja Mani 237640abc2deSRaja Mani static int ath6kl_cfg80211_deepsleep_resume(struct ath6kl *ar) 237740abc2deSRaja Mani { 237840abc2deSRaja Mani struct ath6kl_vif *vif; 237940abc2deSRaja Mani int ret; 238040abc2deSRaja Mani 238140abc2deSRaja Mani vif = ath6kl_vif_first(ar); 238240abc2deSRaja Mani 238340abc2deSRaja Mani if (!vif) 238440abc2deSRaja Mani return -EIO; 238540abc2deSRaja Mani 238640abc2deSRaja Mani if (ar->wmi->pwr_mode != ar->wmi->saved_pwr_mode) { 238740abc2deSRaja Mani ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, 238840abc2deSRaja Mani ar->wmi->saved_pwr_mode); 238940abc2deSRaja Mani if (ret) 239040abc2deSRaja Mani return ret; 239140abc2deSRaja Mani } 239240abc2deSRaja Mani 239340abc2deSRaja Mani ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, 239440abc2deSRaja Mani ATH6KL_HOST_MODE_AWAKE); 239540abc2deSRaja Mani if (ret) 239640abc2deSRaja Mani return ret; 239740abc2deSRaja Mani 239840abc2deSRaja Mani ar->state = ATH6KL_STATE_ON; 239940abc2deSRaja Mani 240040abc2deSRaja Mani /* Reset scan parameter to default values */ 240140abc2deSRaja Mani ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 240240abc2deSRaja Mani 0, 0, 0, 0, 0, 0, 3, 0, 0, 0); 240340abc2deSRaja Mani if (ret) 240440abc2deSRaja Mani return ret; 240540abc2deSRaja Mani 240640abc2deSRaja Mani return 0; 240740abc2deSRaja Mani } 240840abc2deSRaja Mani 240952d81a68SKalle Valo int ath6kl_cfg80211_suspend(struct ath6kl *ar, 24100f60e9f4SRaja Mani enum ath6kl_cfg_suspend_mode mode, 24110f60e9f4SRaja Mani struct cfg80211_wowlan *wow) 241252d81a68SKalle Valo { 24133d79499cSVivek Natarajan struct ath6kl_vif *vif; 2414390a8c8fSRaja Mani enum ath6kl_state prev_state; 241552d81a68SKalle Valo int ret; 241652d81a68SKalle Valo 241752d81a68SKalle Valo switch (mode) { 2418d7c44e0bSRaja Mani case ATH6KL_CFG_SUSPEND_WOW: 2419d7c44e0bSRaja Mani 2420d7c44e0bSRaja Mani ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode suspend\n"); 2421d7c44e0bSRaja Mani 2422d7c44e0bSRaja Mani /* Flush all non control pkts in TX path */ 2423d7c44e0bSRaja Mani ath6kl_tx_data_cleanup(ar); 2424d7c44e0bSRaja Mani 2425390a8c8fSRaja Mani prev_state = ar->state; 2426390a8c8fSRaja Mani 2427d7c44e0bSRaja Mani ret = ath6kl_wow_suspend(ar, wow); 2428390a8c8fSRaja Mani if (ret) { 2429390a8c8fSRaja Mani ar->state = prev_state; 2430d7c44e0bSRaja Mani return ret; 2431390a8c8fSRaja Mani } 24321e9a905dSRaja Mani 2433d7c44e0bSRaja Mani ar->state = ATH6KL_STATE_WOW; 2434d7c44e0bSRaja Mani break; 2435d7c44e0bSRaja Mani 243652d81a68SKalle Valo case ATH6KL_CFG_SUSPEND_DEEPSLEEP: 2437524441e3SRaja Mani 243840abc2deSRaja Mani ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep suspend\n"); 2439524441e3SRaja Mani 244040abc2deSRaja Mani ret = ath6kl_cfg80211_deepsleep_suspend(ar); 244152d81a68SKalle Valo if (ret) { 244240abc2deSRaja Mani ath6kl_err("deepsleep suspend failed: %d\n", ret); 244340abc2deSRaja Mani return ret; 244452d81a68SKalle Valo } 244552d81a68SKalle Valo 244676a9fbe2SKalle Valo ar->state = ATH6KL_STATE_DEEPSLEEP; 244776a9fbe2SKalle Valo 244852d81a68SKalle Valo break; 2449b4b2a0b1SKalle Valo 2450b4b2a0b1SKalle Valo case ATH6KL_CFG_SUSPEND_CUTPOWER: 2451524441e3SRaja Mani 24527125f01dSKalle Valo ath6kl_cfg80211_stop_all(ar); 2453524441e3SRaja Mani 2454b4b2a0b1SKalle Valo if (ar->state == ATH6KL_STATE_OFF) { 2455b4b2a0b1SKalle Valo ath6kl_dbg(ATH6KL_DBG_SUSPEND, 2456b4b2a0b1SKalle Valo "suspend hw off, no action for cutpower\n"); 2457b4b2a0b1SKalle Valo break; 2458b4b2a0b1SKalle Valo } 2459b4b2a0b1SKalle Valo 2460b4b2a0b1SKalle Valo ath6kl_dbg(ATH6KL_DBG_SUSPEND, "suspend cutting power\n"); 2461b4b2a0b1SKalle Valo 2462b4b2a0b1SKalle Valo ret = ath6kl_init_hw_stop(ar); 2463b4b2a0b1SKalle Valo if (ret) { 2464b4b2a0b1SKalle Valo ath6kl_warn("failed to stop hw during suspend: %d\n", 2465b4b2a0b1SKalle Valo ret); 2466b4b2a0b1SKalle Valo } 2467b4b2a0b1SKalle Valo 2468b4b2a0b1SKalle Valo ar->state = ATH6KL_STATE_CUTPOWER; 2469b4b2a0b1SKalle Valo 2470b4b2a0b1SKalle Valo break; 2471b4b2a0b1SKalle Valo 2472b4b2a0b1SKalle Valo default: 2473b4b2a0b1SKalle Valo break; 247452d81a68SKalle Valo } 247552d81a68SKalle Valo 24763d79499cSVivek Natarajan list_for_each_entry(vif, &ar->vif_list, list) 24773d79499cSVivek Natarajan ath6kl_cfg80211_scan_complete_event(vif, true); 24783d79499cSVivek Natarajan 247952d81a68SKalle Valo return 0; 248052d81a68SKalle Valo } 2481d6a434d6SKalle Valo EXPORT_SYMBOL(ath6kl_cfg80211_suspend); 248252d81a68SKalle Valo 248352d81a68SKalle Valo int ath6kl_cfg80211_resume(struct ath6kl *ar) 248452d81a68SKalle Valo { 248576a9fbe2SKalle Valo int ret; 248676a9fbe2SKalle Valo 248776a9fbe2SKalle Valo switch (ar->state) { 2488d7c44e0bSRaja Mani case ATH6KL_STATE_WOW: 2489d7c44e0bSRaja Mani ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode resume\n"); 2490d7c44e0bSRaja Mani 2491d7c44e0bSRaja Mani ret = ath6kl_wow_resume(ar); 2492d7c44e0bSRaja Mani if (ret) { 2493d7c44e0bSRaja Mani ath6kl_warn("wow mode resume failed: %d\n", ret); 2494d7c44e0bSRaja Mani return ret; 2495d7c44e0bSRaja Mani } 2496d7c44e0bSRaja Mani 2497d7c44e0bSRaja Mani break; 2498d7c44e0bSRaja Mani 249976a9fbe2SKalle Valo case ATH6KL_STATE_DEEPSLEEP: 250040abc2deSRaja Mani ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep resume\n"); 250140abc2deSRaja Mani 250240abc2deSRaja Mani ret = ath6kl_cfg80211_deepsleep_resume(ar); 250376a9fbe2SKalle Valo if (ret) { 250440abc2deSRaja Mani ath6kl_warn("deep sleep resume failed: %d\n", ret); 250540abc2deSRaja Mani return ret; 250676a9fbe2SKalle Valo } 250776a9fbe2SKalle Valo break; 250876a9fbe2SKalle Valo 2509b4b2a0b1SKalle Valo case ATH6KL_STATE_CUTPOWER: 2510b4b2a0b1SKalle Valo ath6kl_dbg(ATH6KL_DBG_SUSPEND, "resume restoring power\n"); 2511b4b2a0b1SKalle Valo 2512b4b2a0b1SKalle Valo ret = ath6kl_init_hw_start(ar); 2513b4b2a0b1SKalle Valo if (ret) { 2514b4b2a0b1SKalle Valo ath6kl_warn("Failed to boot hw in resume: %d\n", ret); 2515b4b2a0b1SKalle Valo return ret; 2516b4b2a0b1SKalle Valo } 2517d7c44e0bSRaja Mani break; 2518b4b2a0b1SKalle Valo 251976a9fbe2SKalle Valo default: 252076a9fbe2SKalle Valo break; 252152d81a68SKalle Valo } 252252d81a68SKalle Valo 252352d81a68SKalle Valo return 0; 252452d81a68SKalle Valo } 2525d6a434d6SKalle Valo EXPORT_SYMBOL(ath6kl_cfg80211_resume); 252652d81a68SKalle Valo 2527abcb344bSKalle Valo #ifdef CONFIG_PM 252852d81a68SKalle Valo 252952d81a68SKalle Valo /* hif layer decides what suspend mode to use */ 253052d81a68SKalle Valo static int __ath6kl_cfg80211_suspend(struct wiphy *wiphy, 2531abcb344bSKalle Valo struct cfg80211_wowlan *wow) 2532abcb344bSKalle Valo { 2533abcb344bSKalle Valo struct ath6kl *ar = wiphy_priv(wiphy); 2534abcb344bSKalle Valo 253584caf800SVasanthakumar Thiagarajan ath6kl_recovery_suspend(ar); 253684caf800SVasanthakumar Thiagarajan 25370f60e9f4SRaja Mani return ath6kl_hif_suspend(ar, wow); 2538abcb344bSKalle Valo } 2539aa6cffc1SChilam Ng 254052d81a68SKalle Valo static int __ath6kl_cfg80211_resume(struct wiphy *wiphy) 2541aa6cffc1SChilam Ng { 2542aa6cffc1SChilam Ng struct ath6kl *ar = wiphy_priv(wiphy); 254384caf800SVasanthakumar Thiagarajan int err; 2544aa6cffc1SChilam Ng 254584caf800SVasanthakumar Thiagarajan err = ath6kl_hif_resume(ar); 254684caf800SVasanthakumar Thiagarajan if (err) 254784caf800SVasanthakumar Thiagarajan return err; 254884caf800SVasanthakumar Thiagarajan 254992332993SVasanthakumar Thiagarajan ath6kl_recovery_resume(ar); 255084caf800SVasanthakumar Thiagarajan 255184caf800SVasanthakumar Thiagarajan return 0; 2552aa6cffc1SChilam Ng } 2553a918fb3cSRaja Mani 2554a918fb3cSRaja Mani /* 2555a918fb3cSRaja Mani * FIXME: WOW suspend mode is selected if the host sdio controller supports 2556a918fb3cSRaja Mani * both sdio irq wake up and keep power. The target pulls sdio data line to 2557a918fb3cSRaja Mani * wake up the host when WOW pattern matches. This causes sdio irq handler 2558a918fb3cSRaja Mani * is being called in the host side which internally hits ath6kl's RX path. 2559a918fb3cSRaja Mani * 2560a918fb3cSRaja Mani * Since sdio interrupt is not disabled, RX path executes even before 2561a918fb3cSRaja Mani * the host executes the actual resume operation from PM module. 2562a918fb3cSRaja Mani * 2563a918fb3cSRaja Mani * In the current scenario, WOW resume should happen before start processing 2564a918fb3cSRaja Mani * any data from the target. So It's required to perform WOW resume in RX path. 2565a918fb3cSRaja Mani * Ideally we should perform WOW resume only in the actual platform 2566a918fb3cSRaja Mani * resume path. This area needs bit rework to avoid WOW resume in RX path. 2567a918fb3cSRaja Mani * 2568a918fb3cSRaja Mani * ath6kl_check_wow_status() is called from ath6kl_rx(). 2569a918fb3cSRaja Mani */ 2570a918fb3cSRaja Mani void ath6kl_check_wow_status(struct ath6kl *ar) 2571a918fb3cSRaja Mani { 2572390a8c8fSRaja Mani if (ar->state == ATH6KL_STATE_SUSPENDING) 2573390a8c8fSRaja Mani return; 2574390a8c8fSRaja Mani 2575a918fb3cSRaja Mani if (ar->state == ATH6KL_STATE_WOW) 2576a918fb3cSRaja Mani ath6kl_cfg80211_resume(ar); 2577a918fb3cSRaja Mani } 2578a918fb3cSRaja Mani 2579a918fb3cSRaja Mani #else 2580a918fb3cSRaja Mani 2581a918fb3cSRaja Mani void ath6kl_check_wow_status(struct ath6kl *ar) 2582a918fb3cSRaja Mani { 2583a918fb3cSRaja Mani } 2584abcb344bSKalle Valo #endif 2585abcb344bSKalle Valo 2586df90b369SVasanthakumar Thiagarajan static int ath6kl_set_htcap(struct ath6kl_vif *vif, enum ieee80211_band band, 2587df90b369SVasanthakumar Thiagarajan bool ht_enable) 25886a7c9badSJouni Malinen { 258967b3f129SKiran Reddy struct ath6kl_htcap *htcap = &vif->htcap[band]; 2590e68f6750SSujith Manoharan 2591df90b369SVasanthakumar Thiagarajan if (htcap->ht_enable == ht_enable) 25926a7c9badSJouni Malinen return 0; 2593df90b369SVasanthakumar Thiagarajan 2594df90b369SVasanthakumar Thiagarajan if (ht_enable) { 2595df90b369SVasanthakumar Thiagarajan /* Set default ht capabilities */ 2596df90b369SVasanthakumar Thiagarajan htcap->ht_enable = true; 2597df90b369SVasanthakumar Thiagarajan htcap->cap_info = (band == IEEE80211_BAND_2GHZ) ? 2598df90b369SVasanthakumar Thiagarajan ath6kl_g_htcap : ath6kl_a_htcap; 2599df90b369SVasanthakumar Thiagarajan htcap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K; 2600df90b369SVasanthakumar Thiagarajan } else /* Disable ht */ 2601df90b369SVasanthakumar Thiagarajan memset(htcap, 0, sizeof(*htcap)); 2602df90b369SVasanthakumar Thiagarajan 2603df90b369SVasanthakumar Thiagarajan return ath6kl_wmi_set_htcap_cmd(vif->ar->wmi, vif->fw_vif_idx, 2604df90b369SVasanthakumar Thiagarajan band, htcap); 26056a7c9badSJouni Malinen } 26066a7c9badSJouni Malinen 260737a2f950SThomas Pedersen static int ath6kl_restore_htcap(struct ath6kl_vif *vif) 260837a2f950SThomas Pedersen { 260937a2f950SThomas Pedersen struct wiphy *wiphy = vif->ar->wiphy; 261037a2f950SThomas Pedersen int band, ret = 0; 261137a2f950SThomas Pedersen 261237a2f950SThomas Pedersen for (band = 0; band < IEEE80211_NUM_BANDS; band++) { 261337a2f950SThomas Pedersen if (!wiphy->bands[band]) 261437a2f950SThomas Pedersen continue; 261537a2f950SThomas Pedersen 261637a2f950SThomas Pedersen ret = ath6kl_set_htcap(vif, band, 261737a2f950SThomas Pedersen wiphy->bands[band]->ht_cap.ht_supported); 261837a2f950SThomas Pedersen if (ret) 261937a2f950SThomas Pedersen return ret; 262037a2f950SThomas Pedersen } 262137a2f950SThomas Pedersen 262237a2f950SThomas Pedersen return ret; 262337a2f950SThomas Pedersen } 262437a2f950SThomas Pedersen 26258bdfbf40SJouni Malinen static bool ath6kl_is_p2p_ie(const u8 *pos) 26268bdfbf40SJouni Malinen { 26278bdfbf40SJouni Malinen return pos[0] == WLAN_EID_VENDOR_SPECIFIC && pos[1] >= 4 && 26288bdfbf40SJouni Malinen pos[2] == 0x50 && pos[3] == 0x6f && 26298bdfbf40SJouni Malinen pos[4] == 0x9a && pos[5] == 0x09; 26308bdfbf40SJouni Malinen } 26318bdfbf40SJouni Malinen 2632334234b5SVasanthakumar Thiagarajan static int ath6kl_set_ap_probe_resp_ies(struct ath6kl_vif *vif, 2633334234b5SVasanthakumar Thiagarajan const u8 *ies, size_t ies_len) 26348bdfbf40SJouni Malinen { 2635334234b5SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 26368bdfbf40SJouni Malinen const u8 *pos; 26378bdfbf40SJouni Malinen u8 *buf = NULL; 26388bdfbf40SJouni Malinen size_t len = 0; 26398bdfbf40SJouni Malinen int ret; 26408bdfbf40SJouni Malinen 26418bdfbf40SJouni Malinen /* 26428bdfbf40SJouni Malinen * Filter out P2P IE(s) since they will be included depending on 26438bdfbf40SJouni Malinen * the Probe Request frame in ath6kl_send_go_probe_resp(). 26448bdfbf40SJouni Malinen */ 26458bdfbf40SJouni Malinen 26468bdfbf40SJouni Malinen if (ies && ies_len) { 26478bdfbf40SJouni Malinen buf = kmalloc(ies_len, GFP_KERNEL); 26488bdfbf40SJouni Malinen if (buf == NULL) 26498bdfbf40SJouni Malinen return -ENOMEM; 26508bdfbf40SJouni Malinen pos = ies; 26518bdfbf40SJouni Malinen while (pos + 1 < ies + ies_len) { 26528bdfbf40SJouni Malinen if (pos + 2 + pos[1] > ies + ies_len) 26538bdfbf40SJouni Malinen break; 26548bdfbf40SJouni Malinen if (!ath6kl_is_p2p_ie(pos)) { 26558bdfbf40SJouni Malinen memcpy(buf + len, pos, 2 + pos[1]); 26568bdfbf40SJouni Malinen len += 2 + pos[1]; 26578bdfbf40SJouni Malinen } 26588bdfbf40SJouni Malinen pos += 2 + pos[1]; 26598bdfbf40SJouni Malinen } 26608bdfbf40SJouni Malinen } 26618bdfbf40SJouni Malinen 2662334234b5SVasanthakumar Thiagarajan ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 2663334234b5SVasanthakumar Thiagarajan WMI_FRAME_PROBE_RESP, buf, len); 26648bdfbf40SJouni Malinen kfree(buf); 26658bdfbf40SJouni Malinen return ret; 26668bdfbf40SJouni Malinen } 26678bdfbf40SJouni Malinen 26688860020eSJohannes Berg static int ath6kl_set_ies(struct ath6kl_vif *vif, 26698860020eSJohannes Berg struct cfg80211_beacon_data *info) 26708860020eSJohannes Berg { 26718860020eSJohannes Berg struct ath6kl *ar = vif->ar; 26728860020eSJohannes Berg int res; 26738860020eSJohannes Berg 267417a7b16dSAarthi Thiruvengadam /* this also clears IE in fw if it's not set */ 26758860020eSJohannes Berg res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 26768860020eSJohannes Berg WMI_FRAME_BEACON, 26778860020eSJohannes Berg info->beacon_ies, 26788860020eSJohannes Berg info->beacon_ies_len); 26798860020eSJohannes Berg if (res) 26808860020eSJohannes Berg return res; 26818860020eSJohannes Berg 268217a7b16dSAarthi Thiruvengadam /* this also clears IE in fw if it's not set */ 26838860020eSJohannes Berg res = ath6kl_set_ap_probe_resp_ies(vif, info->proberesp_ies, 26848860020eSJohannes Berg info->proberesp_ies_len); 26858860020eSJohannes Berg if (res) 26868860020eSJohannes Berg return res; 26878860020eSJohannes Berg 268817a7b16dSAarthi Thiruvengadam /* this also clears IE in fw if it's not set */ 26898860020eSJohannes Berg res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 26908860020eSJohannes Berg WMI_FRAME_ASSOC_RESP, 26918860020eSJohannes Berg info->assocresp_ies, 26928860020eSJohannes Berg info->assocresp_ies_len); 26938860020eSJohannes Berg if (res) 26948860020eSJohannes Berg return res; 26958860020eSJohannes Berg 26968860020eSJohannes Berg return 0; 26978860020eSJohannes Berg } 26988860020eSJohannes Berg 2699d97c121bSVasanthakumar Thiagarajan static int ath6kl_get_rsn_capab(struct cfg80211_beacon_data *beacon, 2700d97c121bSVasanthakumar Thiagarajan u8 *rsn_capab) 2701d97c121bSVasanthakumar Thiagarajan { 2702d97c121bSVasanthakumar Thiagarajan const u8 *rsn_ie; 2703d97c121bSVasanthakumar Thiagarajan size_t rsn_ie_len; 2704d97c121bSVasanthakumar Thiagarajan u16 cnt; 2705d97c121bSVasanthakumar Thiagarajan 2706d97c121bSVasanthakumar Thiagarajan if (!beacon->tail) 2707d97c121bSVasanthakumar Thiagarajan return -EINVAL; 2708d97c121bSVasanthakumar Thiagarajan 2709d97c121bSVasanthakumar Thiagarajan rsn_ie = cfg80211_find_ie(WLAN_EID_RSN, beacon->tail, beacon->tail_len); 2710d97c121bSVasanthakumar Thiagarajan if (!rsn_ie) 2711d97c121bSVasanthakumar Thiagarajan return -EINVAL; 2712d97c121bSVasanthakumar Thiagarajan 2713d97c121bSVasanthakumar Thiagarajan rsn_ie_len = *(rsn_ie + 1); 2714d97c121bSVasanthakumar Thiagarajan /* skip element id and length */ 2715d97c121bSVasanthakumar Thiagarajan rsn_ie += 2; 2716d97c121bSVasanthakumar Thiagarajan 27179e8b16dbSVasanthakumar Thiagarajan /* skip version */ 27189e8b16dbSVasanthakumar Thiagarajan if (rsn_ie_len < 2) 2719d97c121bSVasanthakumar Thiagarajan return -EINVAL; 27209e8b16dbSVasanthakumar Thiagarajan rsn_ie += 2; 27219e8b16dbSVasanthakumar Thiagarajan rsn_ie_len -= 2; 27229e8b16dbSVasanthakumar Thiagarajan 27239e8b16dbSVasanthakumar Thiagarajan /* skip group cipher suite */ 27249e8b16dbSVasanthakumar Thiagarajan if (rsn_ie_len < 4) 27259e8b16dbSVasanthakumar Thiagarajan return 0; 27269e8b16dbSVasanthakumar Thiagarajan rsn_ie += 4; 27279e8b16dbSVasanthakumar Thiagarajan rsn_ie_len -= 4; 2728d97c121bSVasanthakumar Thiagarajan 2729d97c121bSVasanthakumar Thiagarajan /* skip pairwise cipher suite */ 2730d97c121bSVasanthakumar Thiagarajan if (rsn_ie_len < 2) 27319e8b16dbSVasanthakumar Thiagarajan return 0; 2732798985c6SVasanthakumar Thiagarajan cnt = get_unaligned_le16(rsn_ie); 2733d97c121bSVasanthakumar Thiagarajan rsn_ie += (2 + cnt * 4); 2734d97c121bSVasanthakumar Thiagarajan rsn_ie_len -= (2 + cnt * 4); 2735d97c121bSVasanthakumar Thiagarajan 2736d97c121bSVasanthakumar Thiagarajan /* skip akm suite */ 2737d97c121bSVasanthakumar Thiagarajan if (rsn_ie_len < 2) 27389e8b16dbSVasanthakumar Thiagarajan return 0; 2739798985c6SVasanthakumar Thiagarajan cnt = get_unaligned_le16(rsn_ie); 2740d97c121bSVasanthakumar Thiagarajan rsn_ie += (2 + cnt * 4); 2741d97c121bSVasanthakumar Thiagarajan rsn_ie_len -= (2 + cnt * 4); 2742d97c121bSVasanthakumar Thiagarajan 2743d97c121bSVasanthakumar Thiagarajan if (rsn_ie_len < 2) 27449e8b16dbSVasanthakumar Thiagarajan return 0; 2745d97c121bSVasanthakumar Thiagarajan 2746d97c121bSVasanthakumar Thiagarajan memcpy(rsn_capab, rsn_ie, 2); 2747d97c121bSVasanthakumar Thiagarajan 2748d97c121bSVasanthakumar Thiagarajan return 0; 2749d97c121bSVasanthakumar Thiagarajan } 2750d97c121bSVasanthakumar Thiagarajan 27518860020eSJohannes Berg static int ath6kl_start_ap(struct wiphy *wiphy, struct net_device *dev, 27528860020eSJohannes Berg struct cfg80211_ap_settings *info) 27536a7c9badSJouni Malinen { 27546a7c9badSJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 27553450334fSVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 27566a7c9badSJouni Malinen struct ieee80211_mgmt *mgmt; 275767cd22e4SThomas Pedersen bool hidden = false; 27586a7c9badSJouni Malinen u8 *ies; 27596a7c9badSJouni Malinen int ies_len; 27606a7c9badSJouni Malinen struct wmi_connect_cmd p; 27616a7c9badSJouni Malinen int res; 2762be5abaafSVasanthakumar Thiagarajan int i, ret; 2763d97c121bSVasanthakumar Thiagarajan u16 rsn_capab = 0; 27647ac25eacSMohammed Shafi Shajakhan int inactivity_timeout = 0; 27656a7c9badSJouni Malinen 27668860020eSJohannes Berg ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s:\n", __func__); 27676a7c9badSJouni Malinen 2768990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 27696a7c9badSJouni Malinen return -EIO; 27706a7c9badSJouni Malinen 2771f5938f24SVasanthakumar Thiagarajan if (vif->next_mode != AP_NETWORK) 27726a7c9badSJouni Malinen return -EOPNOTSUPP; 27736a7c9badSJouni Malinen 27748860020eSJohannes Berg res = ath6kl_set_ies(vif, &info->beacon); 27756a7c9badSJouni Malinen 27769a5b1318SJouni Malinen ar->ap_mode_bkey.valid = false; 27779a5b1318SJouni Malinen 2778eb922e4bSMohammed Shafi Shajakhan ret = ath6kl_wmi_ap_set_beacon_intvl_cmd(ar->wmi, vif->fw_vif_idx, 2779eb922e4bSMohammed Shafi Shajakhan info->beacon_interval); 2780eb922e4bSMohammed Shafi Shajakhan 2781eb922e4bSMohammed Shafi Shajakhan if (ret) 2782eb922e4bSMohammed Shafi Shajakhan ath6kl_warn("Failed to set beacon interval: %d\n", ret); 27836a7c9badSJouni Malinen 2784d154f32eSEtay Luz ret = ath6kl_wmi_ap_set_dtim_cmd(ar->wmi, vif->fw_vif_idx, 2785d154f32eSEtay Luz info->dtim_period); 2786d154f32eSEtay Luz 2787d154f32eSEtay Luz /* ignore error, just print a warning and continue normally */ 2788d154f32eSEtay Luz if (ret) 2789d154f32eSEtay Luz ath6kl_warn("Failed to set dtim_period in beacon: %d\n", ret); 2790d154f32eSEtay Luz 27918860020eSJohannes Berg if (info->beacon.head == NULL) 27926a7c9badSJouni Malinen return -EINVAL; 27938860020eSJohannes Berg mgmt = (struct ieee80211_mgmt *) info->beacon.head; 27946a7c9badSJouni Malinen ies = mgmt->u.beacon.variable; 27958860020eSJohannes Berg if (ies > info->beacon.head + info->beacon.head_len) 27966a7c9badSJouni Malinen return -EINVAL; 27978860020eSJohannes Berg ies_len = info->beacon.head + info->beacon.head_len - ies; 27986a7c9badSJouni Malinen 27996a7c9badSJouni Malinen if (info->ssid == NULL) 28006a7c9badSJouni Malinen return -EINVAL; 28013450334fSVasanthakumar Thiagarajan memcpy(vif->ssid, info->ssid, info->ssid_len); 28023450334fSVasanthakumar Thiagarajan vif->ssid_len = info->ssid_len; 28036a7c9badSJouni Malinen if (info->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE) 280467cd22e4SThomas Pedersen hidden = true; 280567cd22e4SThomas Pedersen 280667cd22e4SThomas Pedersen res = ath6kl_wmi_ap_hidden_ssid(ar->wmi, vif->fw_vif_idx, hidden); 280767cd22e4SThomas Pedersen if (res) 280867cd22e4SThomas Pedersen return res; 28096a7c9badSJouni Malinen 2810be5abaafSVasanthakumar Thiagarajan ret = ath6kl_set_auth_type(vif, info->auth_type); 2811be5abaafSVasanthakumar Thiagarajan if (ret) 2812be5abaafSVasanthakumar Thiagarajan return ret; 28136a7c9badSJouni Malinen 28146a7c9badSJouni Malinen memset(&p, 0, sizeof(p)); 28156a7c9badSJouni Malinen 28166a7c9badSJouni Malinen for (i = 0; i < info->crypto.n_akm_suites; i++) { 28176a7c9badSJouni Malinen switch (info->crypto.akm_suites[i]) { 28186a7c9badSJouni Malinen case WLAN_AKM_SUITE_8021X: 28196a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1) 28206a7c9badSJouni Malinen p.auth_mode |= WPA_AUTH; 28216a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2) 28226a7c9badSJouni Malinen p.auth_mode |= WPA2_AUTH; 28236a7c9badSJouni Malinen break; 28246a7c9badSJouni Malinen case WLAN_AKM_SUITE_PSK: 28256a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1) 28266a7c9badSJouni Malinen p.auth_mode |= WPA_PSK_AUTH; 28276a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2) 28286a7c9badSJouni Malinen p.auth_mode |= WPA2_PSK_AUTH; 28296a7c9badSJouni Malinen break; 28306a7c9badSJouni Malinen } 28316a7c9badSJouni Malinen } 28326a7c9badSJouni Malinen if (p.auth_mode == 0) 28336a7c9badSJouni Malinen p.auth_mode = NONE_AUTH; 28343450334fSVasanthakumar Thiagarajan vif->auth_mode = p.auth_mode; 28356a7c9badSJouni Malinen 28366a7c9badSJouni Malinen for (i = 0; i < info->crypto.n_ciphers_pairwise; i++) { 28376a7c9badSJouni Malinen switch (info->crypto.ciphers_pairwise[i]) { 28386a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP40: 28396a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP104: 28406a7c9badSJouni Malinen p.prwise_crypto_type |= WEP_CRYPT; 28416a7c9badSJouni Malinen break; 28426a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_TKIP: 28436a7c9badSJouni Malinen p.prwise_crypto_type |= TKIP_CRYPT; 28446a7c9badSJouni Malinen break; 28456a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_CCMP: 28466a7c9badSJouni Malinen p.prwise_crypto_type |= AES_CRYPT; 28476a7c9badSJouni Malinen break; 2848b8214df1SDai Shuibing case WLAN_CIPHER_SUITE_SMS4: 2849b8214df1SDai Shuibing p.prwise_crypto_type |= WAPI_CRYPT; 2850b8214df1SDai Shuibing break; 28516a7c9badSJouni Malinen } 28526a7c9badSJouni Malinen } 2853229ed6b5SEdward Lu if (p.prwise_crypto_type == 0) { 28546a7c9badSJouni Malinen p.prwise_crypto_type = NONE_CRYPT; 2855240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, 0, true); 2856a5d8f9dfSKalle Valo } else if (info->crypto.n_ciphers_pairwise == 1) { 2857240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, info->crypto.ciphers_pairwise[0], true); 2858a5d8f9dfSKalle Valo } 28596a7c9badSJouni Malinen 28606a7c9badSJouni Malinen switch (info->crypto.cipher_group) { 28616a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP40: 28626a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP104: 28636a7c9badSJouni Malinen p.grp_crypto_type = WEP_CRYPT; 28646a7c9badSJouni Malinen break; 28656a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_TKIP: 28666a7c9badSJouni Malinen p.grp_crypto_type = TKIP_CRYPT; 28676a7c9badSJouni Malinen break; 28686a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_CCMP: 28696a7c9badSJouni Malinen p.grp_crypto_type = AES_CRYPT; 28706a7c9badSJouni Malinen break; 2871b8214df1SDai Shuibing case WLAN_CIPHER_SUITE_SMS4: 2872b8214df1SDai Shuibing p.grp_crypto_type = WAPI_CRYPT; 2873b8214df1SDai Shuibing break; 28746a7c9badSJouni Malinen default: 28756a7c9badSJouni Malinen p.grp_crypto_type = NONE_CRYPT; 28766a7c9badSJouni Malinen break; 28776a7c9badSJouni Malinen } 2878240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, info->crypto.cipher_group, false); 28796a7c9badSJouni Malinen 28806a7c9badSJouni Malinen p.nw_type = AP_NETWORK; 2881f5938f24SVasanthakumar Thiagarajan vif->nw_type = vif->next_mode; 28826a7c9badSJouni Malinen 28833450334fSVasanthakumar Thiagarajan p.ssid_len = vif->ssid_len; 28843450334fSVasanthakumar Thiagarajan memcpy(p.ssid, vif->ssid, vif->ssid_len); 28853450334fSVasanthakumar Thiagarajan p.dot11_auth_mode = vif->dot11_auth_mode; 2886683b6d3bSJohannes Berg p.ch = cpu_to_le16(info->chandef.chan->center_freq); 28876a7c9badSJouni Malinen 2888c1762a3fSThirumalai Pachamuthu /* Enable uAPSD support by default */ 2889c1762a3fSThirumalai Pachamuthu res = ath6kl_wmi_ap_set_apsd(ar->wmi, vif->fw_vif_idx, true); 2890c1762a3fSThirumalai Pachamuthu if (res < 0) 2891c1762a3fSThirumalai Pachamuthu return res; 2892c1762a3fSThirumalai Pachamuthu 28933ca9d1fcSAarthi Thiruvengadam if (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO) { 28943ca9d1fcSAarthi Thiruvengadam p.nw_subtype = SUBTYPE_P2PGO; 28953ca9d1fcSAarthi Thiruvengadam } else { 28963ca9d1fcSAarthi Thiruvengadam /* 28973ca9d1fcSAarthi Thiruvengadam * Due to firmware limitation, it is not possible to 28983ca9d1fcSAarthi Thiruvengadam * do P2P mgmt operations in AP mode 28993ca9d1fcSAarthi Thiruvengadam */ 29003ca9d1fcSAarthi Thiruvengadam p.nw_subtype = SUBTYPE_NONE; 29013ca9d1fcSAarthi Thiruvengadam } 29023ca9d1fcSAarthi Thiruvengadam 290303bdeb0dSVasanthakumar Thiagarajan if (info->inactivity_timeout) { 29047ac25eacSMohammed Shafi Shajakhan inactivity_timeout = info->inactivity_timeout; 29057ac25eacSMohammed Shafi Shajakhan 2906eba95bceSKalle Valo if (test_bit(ATH6KL_FW_CAPABILITY_AP_INACTIVITY_MINS, 2907eba95bceSKalle Valo ar->fw_capabilities)) 29087ac25eacSMohammed Shafi Shajakhan inactivity_timeout = DIV_ROUND_UP(inactivity_timeout, 29097ac25eacSMohammed Shafi Shajakhan 60); 29107ac25eacSMohammed Shafi Shajakhan 291103bdeb0dSVasanthakumar Thiagarajan res = ath6kl_wmi_set_inact_period(ar->wmi, vif->fw_vif_idx, 29127ac25eacSMohammed Shafi Shajakhan inactivity_timeout); 291303bdeb0dSVasanthakumar Thiagarajan if (res < 0) 291403bdeb0dSVasanthakumar Thiagarajan return res; 291503bdeb0dSVasanthakumar Thiagarajan } 291603bdeb0dSVasanthakumar Thiagarajan 2917683b6d3bSJohannes Berg if (ath6kl_set_htcap(vif, info->chandef.chan->band, 2918683b6d3bSJohannes Berg cfg80211_get_chandef_type(&info->chandef) 2919683b6d3bSJohannes Berg != NL80211_CHAN_NO_HT)) 2920df90b369SVasanthakumar Thiagarajan return -EIO; 2921df90b369SVasanthakumar Thiagarajan 2922d97c121bSVasanthakumar Thiagarajan /* 2923d97c121bSVasanthakumar Thiagarajan * Get the PTKSA replay counter in the RSN IE. Supplicant 2924d97c121bSVasanthakumar Thiagarajan * will use the RSN IE in M3 message and firmware has to 2925d97c121bSVasanthakumar Thiagarajan * advertise the same in beacon/probe response. Send 2926d97c121bSVasanthakumar Thiagarajan * the complete RSN IE capability field to firmware 2927d97c121bSVasanthakumar Thiagarajan */ 2928d97c121bSVasanthakumar Thiagarajan if (!ath6kl_get_rsn_capab(&info->beacon, (u8 *) &rsn_capab) && 2929d97c121bSVasanthakumar Thiagarajan test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE, 2930d97c121bSVasanthakumar Thiagarajan ar->fw_capabilities)) { 2931d97c121bSVasanthakumar Thiagarajan res = ath6kl_wmi_set_ie_cmd(ar->wmi, vif->fw_vif_idx, 2932d97c121bSVasanthakumar Thiagarajan WLAN_EID_RSN, WMI_RSN_IE_CAPB, 2933d97c121bSVasanthakumar Thiagarajan (const u8 *) &rsn_capab, 2934d97c121bSVasanthakumar Thiagarajan sizeof(rsn_capab)); 2935f21243a8SThomas Pedersen vif->rsn_capab = rsn_capab; 2936d97c121bSVasanthakumar Thiagarajan if (res < 0) 2937d97c121bSVasanthakumar Thiagarajan return res; 2938d97c121bSVasanthakumar Thiagarajan } 2939d97c121bSVasanthakumar Thiagarajan 2940c4f7863eSThomas Pedersen memcpy(&vif->profile, &p, sizeof(p)); 2941334234b5SVasanthakumar Thiagarajan res = ath6kl_wmi_ap_profile_commit(ar->wmi, vif->fw_vif_idx, &p); 29429a5b1318SJouni Malinen if (res < 0) 29439a5b1318SJouni Malinen return res; 29449a5b1318SJouni Malinen 29459a5b1318SJouni Malinen return 0; 29466a7c9badSJouni Malinen } 29476a7c9badSJouni Malinen 29488860020eSJohannes Berg static int ath6kl_change_beacon(struct wiphy *wiphy, struct net_device *dev, 29498860020eSJohannes Berg struct cfg80211_beacon_data *beacon) 29506a7c9badSJouni Malinen { 29518860020eSJohannes Berg struct ath6kl_vif *vif = netdev_priv(dev); 29528860020eSJohannes Berg 29538860020eSJohannes Berg if (!ath6kl_cfg80211_ready(vif)) 29548860020eSJohannes Berg return -EIO; 29558860020eSJohannes Berg 29568860020eSJohannes Berg if (vif->next_mode != AP_NETWORK) 29578860020eSJohannes Berg return -EOPNOTSUPP; 29588860020eSJohannes Berg 29598860020eSJohannes Berg return ath6kl_set_ies(vif, beacon); 29606a7c9badSJouni Malinen } 29616a7c9badSJouni Malinen 29628860020eSJohannes Berg static int ath6kl_stop_ap(struct wiphy *wiphy, struct net_device *dev) 29636a7c9badSJouni Malinen { 29646a7c9badSJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 296559c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 29666a7c9badSJouni Malinen 2967f5938f24SVasanthakumar Thiagarajan if (vif->nw_type != AP_NETWORK) 29686a7c9badSJouni Malinen return -EOPNOTSUPP; 296959c98449SVasanthakumar Thiagarajan if (!test_bit(CONNECTED, &vif->flags)) 29706a7c9badSJouni Malinen return -ENOTCONN; 29716a7c9badSJouni Malinen 2972334234b5SVasanthakumar Thiagarajan ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx); 297359c98449SVasanthakumar Thiagarajan clear_bit(CONNECTED, &vif->flags); 29746a7c9badSJouni Malinen 2975df90b369SVasanthakumar Thiagarajan /* Restore ht setting in firmware */ 297637a2f950SThomas Pedersen return ath6kl_restore_htcap(vif); 29776a7c9badSJouni Malinen } 29786a7c9badSJouni Malinen 297933e5308dSJouni Malinen static const u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; 298033e5308dSJouni Malinen 298133e5308dSJouni Malinen static int ath6kl_del_station(struct wiphy *wiphy, struct net_device *dev, 298289c771e5SJouni Malinen struct station_del_parameters *params) 298333e5308dSJouni Malinen { 298433e5308dSJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 298533e5308dSJouni Malinen struct ath6kl_vif *vif = netdev_priv(dev); 298689c771e5SJouni Malinen const u8 *addr = params->mac ? params->mac : bcast_addr; 298733e5308dSJouni Malinen 298833e5308dSJouni Malinen return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, WMI_AP_DEAUTH, 298933e5308dSJouni Malinen addr, WLAN_REASON_PREV_AUTH_NOT_VALID); 299033e5308dSJouni Malinen } 299133e5308dSJouni Malinen 299223875136SJouni Malinen static int ath6kl_change_station(struct wiphy *wiphy, struct net_device *dev, 29933b3a0162SJohannes Berg const u8 *mac, 29943b3a0162SJohannes Berg struct station_parameters *params) 299523875136SJouni Malinen { 299623875136SJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 2997f5938f24SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 299877ee7c89SJohannes Berg int err; 299923875136SJouni Malinen 3000f5938f24SVasanthakumar Thiagarajan if (vif->nw_type != AP_NETWORK) 300123875136SJouni Malinen return -EOPNOTSUPP; 300223875136SJouni Malinen 300377ee7c89SJohannes Berg err = cfg80211_check_station_change(wiphy, params, 300477ee7c89SJohannes Berg CFG80211_STA_AP_MLME_CLIENT); 300577ee7c89SJohannes Berg if (err) 300677ee7c89SJohannes Berg return err; 300723875136SJouni Malinen 300823875136SJouni Malinen if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED)) 3009334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, 3010334234b5SVasanthakumar Thiagarajan WMI_AP_MLME_AUTHORIZE, mac, 0); 3011334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, 3012334234b5SVasanthakumar Thiagarajan WMI_AP_MLME_UNAUTHORIZE, mac, 0); 301323875136SJouni Malinen } 301423875136SJouni Malinen 301563fa1e0cSJouni Malinen static int ath6kl_remain_on_channel(struct wiphy *wiphy, 301671bbc994SJohannes Berg struct wireless_dev *wdev, 301763fa1e0cSJouni Malinen struct ieee80211_channel *chan, 301863fa1e0cSJouni Malinen unsigned int duration, 301963fa1e0cSJouni Malinen u64 *cookie) 302063fa1e0cSJouni Malinen { 302171bbc994SJohannes Berg struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); 302271bbc994SJohannes Berg struct ath6kl *ar = ath6kl_priv(vif->ndev); 30231052261eSJouni Malinen u32 id; 302463fa1e0cSJouni Malinen 302563fa1e0cSJouni Malinen /* TODO: if already pending or ongoing remain-on-channel, 302663fa1e0cSJouni Malinen * return -EBUSY */ 30271052261eSJouni Malinen id = ++vif->last_roc_id; 30281052261eSJouni Malinen if (id == 0) { 30291052261eSJouni Malinen /* Do not use 0 as the cookie value */ 30301052261eSJouni Malinen id = ++vif->last_roc_id; 30311052261eSJouni Malinen } 30321052261eSJouni Malinen *cookie = id; 303363fa1e0cSJouni Malinen 3034334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx, 3035334234b5SVasanthakumar Thiagarajan chan->center_freq, duration); 303663fa1e0cSJouni Malinen } 303763fa1e0cSJouni Malinen 303863fa1e0cSJouni Malinen static int ath6kl_cancel_remain_on_channel(struct wiphy *wiphy, 303971bbc994SJohannes Berg struct wireless_dev *wdev, 304063fa1e0cSJouni Malinen u64 cookie) 304163fa1e0cSJouni Malinen { 304271bbc994SJohannes Berg struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); 304371bbc994SJohannes Berg struct ath6kl *ar = ath6kl_priv(vif->ndev); 304463fa1e0cSJouni Malinen 30451052261eSJouni Malinen if (cookie != vif->last_roc_id) 304663fa1e0cSJouni Malinen return -ENOENT; 30471052261eSJouni Malinen vif->last_cancel_roc_id = cookie; 304863fa1e0cSJouni Malinen 3049334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_cancel_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx); 305063fa1e0cSJouni Malinen } 305163fa1e0cSJouni Malinen 3052334234b5SVasanthakumar Thiagarajan static int ath6kl_send_go_probe_resp(struct ath6kl_vif *vif, 3053334234b5SVasanthakumar Thiagarajan const u8 *buf, size_t len, 3054334234b5SVasanthakumar Thiagarajan unsigned int freq) 30558bdfbf40SJouni Malinen { 3056334234b5SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 30578bdfbf40SJouni Malinen const u8 *pos; 30588bdfbf40SJouni Malinen u8 *p2p; 30598bdfbf40SJouni Malinen int p2p_len; 30608bdfbf40SJouni Malinen int ret; 30618bdfbf40SJouni Malinen const struct ieee80211_mgmt *mgmt; 30628bdfbf40SJouni Malinen 30638bdfbf40SJouni Malinen mgmt = (const struct ieee80211_mgmt *) buf; 30648bdfbf40SJouni Malinen 30658bdfbf40SJouni Malinen /* Include P2P IE(s) from the frame generated in user space. */ 30668bdfbf40SJouni Malinen 30678bdfbf40SJouni Malinen p2p = kmalloc(len, GFP_KERNEL); 30688bdfbf40SJouni Malinen if (p2p == NULL) 30698bdfbf40SJouni Malinen return -ENOMEM; 30708bdfbf40SJouni Malinen p2p_len = 0; 30718bdfbf40SJouni Malinen 30728bdfbf40SJouni Malinen pos = mgmt->u.probe_resp.variable; 30738bdfbf40SJouni Malinen while (pos + 1 < buf + len) { 30748bdfbf40SJouni Malinen if (pos + 2 + pos[1] > buf + len) 30758bdfbf40SJouni Malinen break; 30768bdfbf40SJouni Malinen if (ath6kl_is_p2p_ie(pos)) { 30778bdfbf40SJouni Malinen memcpy(p2p + p2p_len, pos, 2 + pos[1]); 30788bdfbf40SJouni Malinen p2p_len += 2 + pos[1]; 30798bdfbf40SJouni Malinen } 30808bdfbf40SJouni Malinen pos += 2 + pos[1]; 30818bdfbf40SJouni Malinen } 30828bdfbf40SJouni Malinen 3083334234b5SVasanthakumar Thiagarajan ret = ath6kl_wmi_send_probe_response_cmd(ar->wmi, vif->fw_vif_idx, freq, 3084334234b5SVasanthakumar Thiagarajan mgmt->da, p2p, p2p_len); 30858bdfbf40SJouni Malinen kfree(p2p); 30868bdfbf40SJouni Malinen return ret; 30878bdfbf40SJouni Malinen } 30888bdfbf40SJouni Malinen 3089d0ff7383SNaveen Gangadharan static bool ath6kl_mgmt_powersave_ap(struct ath6kl_vif *vif, 3090d0ff7383SNaveen Gangadharan u32 id, 3091d0ff7383SNaveen Gangadharan u32 freq, 3092d0ff7383SNaveen Gangadharan u32 wait, 3093d0ff7383SNaveen Gangadharan const u8 *buf, 3094d0ff7383SNaveen Gangadharan size_t len, 3095d0ff7383SNaveen Gangadharan bool *more_data, 3096d0ff7383SNaveen Gangadharan bool no_cck) 3097d0ff7383SNaveen Gangadharan { 3098d0ff7383SNaveen Gangadharan struct ieee80211_mgmt *mgmt; 3099d0ff7383SNaveen Gangadharan struct ath6kl_sta *conn; 3100d0ff7383SNaveen Gangadharan bool is_psq_empty = false; 3101d0ff7383SNaveen Gangadharan struct ath6kl_mgmt_buff *mgmt_buf; 3102d0ff7383SNaveen Gangadharan size_t mgmt_buf_size; 3103d0ff7383SNaveen Gangadharan struct ath6kl *ar = vif->ar; 3104d0ff7383SNaveen Gangadharan 3105d0ff7383SNaveen Gangadharan mgmt = (struct ieee80211_mgmt *) buf; 3106d0ff7383SNaveen Gangadharan if (is_multicast_ether_addr(mgmt->da)) 3107d0ff7383SNaveen Gangadharan return false; 3108d0ff7383SNaveen Gangadharan 3109d0ff7383SNaveen Gangadharan conn = ath6kl_find_sta(vif, mgmt->da); 3110d0ff7383SNaveen Gangadharan if (!conn) 3111d0ff7383SNaveen Gangadharan return false; 3112d0ff7383SNaveen Gangadharan 3113d0ff7383SNaveen Gangadharan if (conn->sta_flags & STA_PS_SLEEP) { 3114d0ff7383SNaveen Gangadharan if (!(conn->sta_flags & STA_PS_POLLED)) { 3115d0ff7383SNaveen Gangadharan /* Queue the frames if the STA is sleeping */ 3116d0ff7383SNaveen Gangadharan mgmt_buf_size = len + sizeof(struct ath6kl_mgmt_buff); 3117d0ff7383SNaveen Gangadharan mgmt_buf = kmalloc(mgmt_buf_size, GFP_KERNEL); 3118d0ff7383SNaveen Gangadharan if (!mgmt_buf) 3119d0ff7383SNaveen Gangadharan return false; 3120d0ff7383SNaveen Gangadharan 3121d0ff7383SNaveen Gangadharan INIT_LIST_HEAD(&mgmt_buf->list); 3122d0ff7383SNaveen Gangadharan mgmt_buf->id = id; 3123d0ff7383SNaveen Gangadharan mgmt_buf->freq = freq; 3124d0ff7383SNaveen Gangadharan mgmt_buf->wait = wait; 3125d0ff7383SNaveen Gangadharan mgmt_buf->len = len; 3126d0ff7383SNaveen Gangadharan mgmt_buf->no_cck = no_cck; 3127d0ff7383SNaveen Gangadharan memcpy(mgmt_buf->buf, buf, len); 3128d0ff7383SNaveen Gangadharan spin_lock_bh(&conn->psq_lock); 3129d0ff7383SNaveen Gangadharan is_psq_empty = skb_queue_empty(&conn->psq) && 3130d0ff7383SNaveen Gangadharan (conn->mgmt_psq_len == 0); 3131d0ff7383SNaveen Gangadharan list_add_tail(&mgmt_buf->list, &conn->mgmt_psq); 3132d0ff7383SNaveen Gangadharan conn->mgmt_psq_len++; 3133d0ff7383SNaveen Gangadharan spin_unlock_bh(&conn->psq_lock); 3134d0ff7383SNaveen Gangadharan 3135d0ff7383SNaveen Gangadharan /* 3136d0ff7383SNaveen Gangadharan * If this is the first pkt getting queued 3137d0ff7383SNaveen Gangadharan * for this STA, update the PVB for this 3138d0ff7383SNaveen Gangadharan * STA. 3139d0ff7383SNaveen Gangadharan */ 3140d0ff7383SNaveen Gangadharan if (is_psq_empty) 3141d0ff7383SNaveen Gangadharan ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx, 3142d0ff7383SNaveen Gangadharan conn->aid, 1); 3143d0ff7383SNaveen Gangadharan return true; 3144d0ff7383SNaveen Gangadharan } 3145d0ff7383SNaveen Gangadharan 3146d0ff7383SNaveen Gangadharan /* 3147d0ff7383SNaveen Gangadharan * This tx is because of a PsPoll. 3148d0ff7383SNaveen Gangadharan * Determine if MoreData bit has to be set. 3149d0ff7383SNaveen Gangadharan */ 3150d0ff7383SNaveen Gangadharan spin_lock_bh(&conn->psq_lock); 3151d0ff7383SNaveen Gangadharan if (!skb_queue_empty(&conn->psq) || (conn->mgmt_psq_len != 0)) 3152d0ff7383SNaveen Gangadharan *more_data = true; 3153d0ff7383SNaveen Gangadharan spin_unlock_bh(&conn->psq_lock); 3154d0ff7383SNaveen Gangadharan } 3155d0ff7383SNaveen Gangadharan 3156d0ff7383SNaveen Gangadharan return false; 3157d0ff7383SNaveen Gangadharan } 3158d0ff7383SNaveen Gangadharan 3159c86e4f44SAarthi Thiruvengadam /* Check if SSID length is greater than DIRECT- */ 3160c86e4f44SAarthi Thiruvengadam static bool ath6kl_is_p2p_go_ssid(const u8 *buf, size_t len) 3161c86e4f44SAarthi Thiruvengadam { 3162c86e4f44SAarthi Thiruvengadam const struct ieee80211_mgmt *mgmt; 3163c86e4f44SAarthi Thiruvengadam mgmt = (const struct ieee80211_mgmt *) buf; 3164c86e4f44SAarthi Thiruvengadam 3165c86e4f44SAarthi Thiruvengadam /* variable[1] contains the SSID tag length */ 3166c86e4f44SAarthi Thiruvengadam if (buf + len >= &mgmt->u.probe_resp.variable[1] && 3167c86e4f44SAarthi Thiruvengadam (mgmt->u.probe_resp.variable[1] > P2P_WILDCARD_SSID_LEN)) { 3168c86e4f44SAarthi Thiruvengadam return true; 3169c86e4f44SAarthi Thiruvengadam } 3170c86e4f44SAarthi Thiruvengadam 3171c86e4f44SAarthi Thiruvengadam return false; 3172c86e4f44SAarthi Thiruvengadam } 3173c86e4f44SAarthi Thiruvengadam 317471bbc994SJohannes Berg static int ath6kl_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, 3175b176e629SAndrei Otcheretianski struct cfg80211_mgmt_tx_params *params, u64 *cookie) 31768a6c8060SJouni Malinen { 317771bbc994SJohannes Berg struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); 317871bbc994SJohannes Berg struct ath6kl *ar = ath6kl_priv(vif->ndev); 3179b176e629SAndrei Otcheretianski struct ieee80211_channel *chan = params->chan; 3180b176e629SAndrei Otcheretianski const u8 *buf = params->buf; 3181b176e629SAndrei Otcheretianski size_t len = params->len; 3182b176e629SAndrei Otcheretianski unsigned int wait = params->wait; 3183b176e629SAndrei Otcheretianski bool no_cck = params->no_cck; 3184bfd634d0SAntonio Quartulli u32 id, freq; 31858bdfbf40SJouni Malinen const struct ieee80211_mgmt *mgmt; 3186d0ff7383SNaveen Gangadharan bool more_data, queued; 31878bdfbf40SJouni Malinen 3188bfd634d0SAntonio Quartulli /* default to the current channel, but use the one specified as argument 3189bfd634d0SAntonio Quartulli * if any 3190bfd634d0SAntonio Quartulli */ 3191bfd634d0SAntonio Quartulli freq = vif->ch_hint; 3192bfd634d0SAntonio Quartulli if (chan) 3193bfd634d0SAntonio Quartulli freq = chan->center_freq; 3194bfd634d0SAntonio Quartulli 3195bfd634d0SAntonio Quartulli /* never send freq zero to the firmware */ 3196bfd634d0SAntonio Quartulli if (WARN_ON(freq == 0)) 3197bfd634d0SAntonio Quartulli return -EINVAL; 3198bfd634d0SAntonio Quartulli 31998bdfbf40SJouni Malinen mgmt = (const struct ieee80211_mgmt *) buf; 3200c86e4f44SAarthi Thiruvengadam if (vif->nw_type == AP_NETWORK && test_bit(CONNECTED, &vif->flags) && 3201c86e4f44SAarthi Thiruvengadam ieee80211_is_probe_resp(mgmt->frame_control) && 3202c86e4f44SAarthi Thiruvengadam ath6kl_is_p2p_go_ssid(buf, len)) { 32038bdfbf40SJouni Malinen /* 3204c86e4f44SAarthi Thiruvengadam * Send Probe Response frame in GO mode using a separate WMI 32058bdfbf40SJouni Malinen * command to allow the target to fill in the generic IEs. 32068bdfbf40SJouni Malinen */ 32078bdfbf40SJouni Malinen *cookie = 0; /* TX status not supported */ 3208bfd634d0SAntonio Quartulli return ath6kl_send_go_probe_resp(vif, buf, len, freq); 32098bdfbf40SJouni Malinen } 32108a6c8060SJouni Malinen 3211cf5333d7SVasanthakumar Thiagarajan id = vif->send_action_id++; 32128a6c8060SJouni Malinen if (id == 0) { 32138a6c8060SJouni Malinen /* 32148a6c8060SJouni Malinen * 0 is a reserved value in the WMI command and shall not be 32158a6c8060SJouni Malinen * used for the command. 32168a6c8060SJouni Malinen */ 3217cf5333d7SVasanthakumar Thiagarajan id = vif->send_action_id++; 32188a6c8060SJouni Malinen } 32198a6c8060SJouni Malinen 32208a6c8060SJouni Malinen *cookie = id; 32213ca9d1fcSAarthi Thiruvengadam 3222d0ff7383SNaveen Gangadharan /* AP mode Power saving processing */ 3223d0ff7383SNaveen Gangadharan if (vif->nw_type == AP_NETWORK) { 3224bfd634d0SAntonio Quartulli queued = ath6kl_mgmt_powersave_ap(vif, id, freq, wait, buf, len, 3225bfd634d0SAntonio Quartulli &more_data, no_cck); 3226d0ff7383SNaveen Gangadharan if (queued) 3227d0ff7383SNaveen Gangadharan return 0; 3228d0ff7383SNaveen Gangadharan } 3229d0ff7383SNaveen Gangadharan 3230bfd634d0SAntonio Quartulli return ath6kl_wmi_send_mgmt_cmd(ar->wmi, vif->fw_vif_idx, id, freq, 3231bfd634d0SAntonio Quartulli wait, buf, len, no_cck); 32323ca9d1fcSAarthi Thiruvengadam } 32338a6c8060SJouni Malinen 3234ae32c30aSJouni Malinen static void ath6kl_mgmt_frame_register(struct wiphy *wiphy, 323571bbc994SJohannes Berg struct wireless_dev *wdev, 3236ae32c30aSJouni Malinen u16 frame_type, bool reg) 3237ae32c30aSJouni Malinen { 323871bbc994SJohannes Berg struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); 3239ae32c30aSJouni Malinen 3240ae32c30aSJouni Malinen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: frame_type=0x%x reg=%d\n", 3241ae32c30aSJouni Malinen __func__, frame_type, reg); 3242ae32c30aSJouni Malinen if (frame_type == IEEE80211_STYPE_PROBE_REQ) { 3243ae32c30aSJouni Malinen /* 3244ae32c30aSJouni Malinen * Note: This notification callback is not allowed to sleep, so 3245ae32c30aSJouni Malinen * we cannot send WMI_PROBE_REQ_REPORT_CMD here. Instead, we 3246ae32c30aSJouni Malinen * hardcode target to report Probe Request frames all the time. 3247ae32c30aSJouni Malinen */ 3248cf5333d7SVasanthakumar Thiagarajan vif->probe_req_report = reg; 3249ae32c30aSJouni Malinen } 3250ae32c30aSJouni Malinen } 3251ae32c30aSJouni Malinen 325210509f90SKalle Valo static int ath6kl_cfg80211_sscan_start(struct wiphy *wiphy, 325310509f90SKalle Valo struct net_device *dev, 325410509f90SKalle Valo struct cfg80211_sched_scan_request *request) 325510509f90SKalle Valo { 325610509f90SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 325710509f90SKalle Valo struct ath6kl_vif *vif = netdev_priv(dev); 325810509f90SKalle Valo u16 interval; 325985b20fc2SThomas Pedersen int ret, rssi_thold; 3260ea73cbceSJohannes Berg int n_match_sets = request->n_match_sets; 3261ea73cbceSJohannes Berg 3262ea73cbceSJohannes Berg /* 3263ea73cbceSJohannes Berg * If there's a matchset w/o an SSID, then assume it's just for 3264ea73cbceSJohannes Berg * the RSSI (nothing else is currently supported) and ignore it. 3265ea73cbceSJohannes Berg * The device only supports a global RSSI filter that we set below. 3266ea73cbceSJohannes Berg */ 3267ea73cbceSJohannes Berg if (n_match_sets == 1 && !request->match_sets[0].ssid.ssid_len) 3268ea73cbceSJohannes Berg n_match_sets = 0; 326910509f90SKalle Valo 327010509f90SKalle Valo if (ar->state != ATH6KL_STATE_ON) 327110509f90SKalle Valo return -EIO; 327210509f90SKalle Valo 327310509f90SKalle Valo if (vif->sme_state != SME_DISCONNECTED) 327410509f90SKalle Valo return -EBUSY; 327510509f90SKalle Valo 3276b4d13d3bSKalle Valo ath6kl_cfg80211_scan_complete_event(vif, true); 3277b4d13d3bSKalle Valo 32783b8ffc6aSJouni Malinen ret = ath6kl_set_probed_ssids(ar, vif, request->ssids, 3279dd45b759SNaveen Singh request->n_ssids, 3280dd45b759SNaveen Singh request->match_sets, 3281ea73cbceSJohannes Berg n_match_sets); 32823b8ffc6aSJouni Malinen if (ret < 0) 32833b8ffc6aSJouni Malinen return ret; 328410509f90SKalle Valo 3285ea73cbceSJohannes Berg if (!n_match_sets) { 3286dd45b759SNaveen Singh ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 3287dd45b759SNaveen Singh ALL_BSS_FILTER, 0); 3288dd45b759SNaveen Singh if (ret < 0) 3289dd45b759SNaveen Singh return ret; 3290dd45b759SNaveen Singh } else { 3291dd45b759SNaveen Singh ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 3292dd45b759SNaveen Singh MATCHED_SSID_FILTER, 0); 3293dd45b759SNaveen Singh if (ret < 0) 3294dd45b759SNaveen Singh return ret; 3295dd45b759SNaveen Singh } 3296dd45b759SNaveen Singh 329785b20fc2SThomas Pedersen if (test_bit(ATH6KL_FW_CAPABILITY_RSSI_SCAN_THOLD, 329885b20fc2SThomas Pedersen ar->fw_capabilities)) { 3299ea73cbceSJohannes Berg if (request->min_rssi_thold <= NL80211_SCAN_RSSI_THOLD_OFF) 330085b20fc2SThomas Pedersen rssi_thold = 0; 3301ea73cbceSJohannes Berg else if (request->min_rssi_thold < -127) 330285b20fc2SThomas Pedersen rssi_thold = -127; 330385b20fc2SThomas Pedersen else 3304ea73cbceSJohannes Berg rssi_thold = request->min_rssi_thold; 330585b20fc2SThomas Pedersen 330685b20fc2SThomas Pedersen ret = ath6kl_wmi_set_rssi_filter_cmd(ar->wmi, vif->fw_vif_idx, 330785b20fc2SThomas Pedersen rssi_thold); 330885b20fc2SThomas Pedersen if (ret) { 330985b20fc2SThomas Pedersen ath6kl_err("failed to set RSSI threshold for scan\n"); 331085b20fc2SThomas Pedersen return ret; 331185b20fc2SThomas Pedersen } 331285b20fc2SThomas Pedersen } 331385b20fc2SThomas Pedersen 331410509f90SKalle Valo /* fw uses seconds, also make sure that it's >0 */ 331510509f90SKalle Valo interval = max_t(u16, 1, request->interval / 1000); 331610509f90SKalle Valo 331710509f90SKalle Valo ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 331810509f90SKalle Valo interval, interval, 3319d472b5e4SSubramania Sharma Thandaveswaran vif->bg_scan_period, 0, 0, 0, 3, 0, 0, 0); 332010509f90SKalle Valo 332110509f90SKalle Valo /* this also clears IE in fw if it's not set */ 332210509f90SKalle Valo ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 332310509f90SKalle Valo WMI_FRAME_PROBE_REQ, 332410509f90SKalle Valo request->ie, request->ie_len); 332510509f90SKalle Valo if (ret) { 3326f1ff32e8SJoe Perches ath6kl_warn("Failed to set probe request IE for scheduled scan: %d\n", 332710509f90SKalle Valo ret); 332810509f90SKalle Valo return ret; 332910509f90SKalle Valo } 333010509f90SKalle Valo 3331b1f47e3aSThomas Pedersen ret = ath6kl_wmi_enable_sched_scan_cmd(ar->wmi, vif->fw_vif_idx, true); 3332b1f47e3aSThomas Pedersen if (ret) 333310509f90SKalle Valo return ret; 333410509f90SKalle Valo 3335b1f47e3aSThomas Pedersen set_bit(SCHED_SCANNING, &vif->flags); 333610509f90SKalle Valo 3337b1f47e3aSThomas Pedersen return 0; 333810509f90SKalle Valo } 333910509f90SKalle Valo 334010509f90SKalle Valo static int ath6kl_cfg80211_sscan_stop(struct wiphy *wiphy, 334110509f90SKalle Valo struct net_device *dev) 334210509f90SKalle Valo { 334310509f90SKalle Valo struct ath6kl_vif *vif = netdev_priv(dev); 334410509f90SKalle Valo bool stopped; 334510509f90SKalle Valo 334610509f90SKalle Valo stopped = __ath6kl_cfg80211_sscan_stop(vif); 334710509f90SKalle Valo 334810509f90SKalle Valo if (!stopped) 334910509f90SKalle Valo return -EIO; 335010509f90SKalle Valo 335110509f90SKalle Valo return 0; 335210509f90SKalle Valo } 335310509f90SKalle Valo 335406e360acSBala Shanmugam static int ath6kl_cfg80211_set_bitrate(struct wiphy *wiphy, 335506e360acSBala Shanmugam struct net_device *dev, 335606e360acSBala Shanmugam const u8 *addr, 335706e360acSBala Shanmugam const struct cfg80211_bitrate_mask *mask) 335806e360acSBala Shanmugam { 335906e360acSBala Shanmugam struct ath6kl *ar = ath6kl_priv(dev); 336006e360acSBala Shanmugam struct ath6kl_vif *vif = netdev_priv(dev); 336106e360acSBala Shanmugam 336206e360acSBala Shanmugam return ath6kl_wmi_set_bitrate_mask(ar->wmi, vif->fw_vif_idx, 336306e360acSBala Shanmugam mask); 336406e360acSBala Shanmugam } 336506e360acSBala Shanmugam 3366279b2862SThomas Pedersen static int ath6kl_cfg80211_set_txe_config(struct wiphy *wiphy, 3367279b2862SThomas Pedersen struct net_device *dev, 3368279b2862SThomas Pedersen u32 rate, u32 pkts, u32 intvl) 3369279b2862SThomas Pedersen { 3370279b2862SThomas Pedersen struct ath6kl *ar = ath6kl_priv(dev); 3371279b2862SThomas Pedersen struct ath6kl_vif *vif = netdev_priv(dev); 3372279b2862SThomas Pedersen 3373279b2862SThomas Pedersen if (vif->nw_type != INFRA_NETWORK || 3374279b2862SThomas Pedersen !test_bit(ATH6KL_FW_CAPABILITY_TX_ERR_NOTIFY, ar->fw_capabilities)) 3375279b2862SThomas Pedersen return -EOPNOTSUPP; 3376279b2862SThomas Pedersen 3377279b2862SThomas Pedersen if (vif->sme_state != SME_CONNECTED) 3378279b2862SThomas Pedersen return -ENOTCONN; 3379279b2862SThomas Pedersen 3380279b2862SThomas Pedersen /* save this since the firmware won't report the interval */ 3381279b2862SThomas Pedersen vif->txe_intvl = intvl; 3382279b2862SThomas Pedersen 3383279b2862SThomas Pedersen return ath6kl_wmi_set_txe_notify(ar->wmi, vif->fw_vif_idx, 3384279b2862SThomas Pedersen rate, pkts, intvl); 3385279b2862SThomas Pedersen } 3386279b2862SThomas Pedersen 3387f80574aeSJouni Malinen static const struct ieee80211_txrx_stypes 3388f80574aeSJouni Malinen ath6kl_mgmt_stypes[NUM_NL80211_IFTYPES] = { 3389f80574aeSJouni Malinen [NL80211_IFTYPE_STATION] = { 3390f80574aeSJouni Malinen .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3391f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 3392f80574aeSJouni Malinen .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3393f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 3394f80574aeSJouni Malinen }, 3395ba1f6fe3SJouni Malinen [NL80211_IFTYPE_AP] = { 3396ba1f6fe3SJouni Malinen .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3397ba1f6fe3SJouni Malinen BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 3398ba1f6fe3SJouni Malinen .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3399ba1f6fe3SJouni Malinen BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 3400ba1f6fe3SJouni Malinen }, 3401f80574aeSJouni Malinen [NL80211_IFTYPE_P2P_CLIENT] = { 3402f80574aeSJouni Malinen .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3403f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 3404f80574aeSJouni Malinen .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3405f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 3406f80574aeSJouni Malinen }, 3407f80574aeSJouni Malinen [NL80211_IFTYPE_P2P_GO] = { 3408f80574aeSJouni Malinen .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3409f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 3410f80574aeSJouni Malinen .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3411f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 3412f80574aeSJouni Malinen }, 3413f80574aeSJouni Malinen }; 3414f80574aeSJouni Malinen 3415bdcd8170SKalle Valo static struct cfg80211_ops ath6kl_cfg80211_ops = { 341655055976SVasanthakumar Thiagarajan .add_virtual_intf = ath6kl_cfg80211_add_iface, 341755055976SVasanthakumar Thiagarajan .del_virtual_intf = ath6kl_cfg80211_del_iface, 3418bdcd8170SKalle Valo .change_virtual_intf = ath6kl_cfg80211_change_iface, 3419bdcd8170SKalle Valo .scan = ath6kl_cfg80211_scan, 3420bdcd8170SKalle Valo .connect = ath6kl_cfg80211_connect, 3421bdcd8170SKalle Valo .disconnect = ath6kl_cfg80211_disconnect, 3422bdcd8170SKalle Valo .add_key = ath6kl_cfg80211_add_key, 3423bdcd8170SKalle Valo .get_key = ath6kl_cfg80211_get_key, 3424bdcd8170SKalle Valo .del_key = ath6kl_cfg80211_del_key, 3425bdcd8170SKalle Valo .set_default_key = ath6kl_cfg80211_set_default_key, 3426bdcd8170SKalle Valo .set_wiphy_params = ath6kl_cfg80211_set_wiphy_params, 3427bdcd8170SKalle Valo .set_tx_power = ath6kl_cfg80211_set_txpower, 3428bdcd8170SKalle Valo .get_tx_power = ath6kl_cfg80211_get_txpower, 3429bdcd8170SKalle Valo .set_power_mgmt = ath6kl_cfg80211_set_power_mgmt, 3430bdcd8170SKalle Valo .join_ibss = ath6kl_cfg80211_join_ibss, 3431bdcd8170SKalle Valo .leave_ibss = ath6kl_cfg80211_leave_ibss, 3432bdcd8170SKalle Valo .get_station = ath6kl_get_station, 3433bdcd8170SKalle Valo .set_pmksa = ath6kl_set_pmksa, 3434bdcd8170SKalle Valo .del_pmksa = ath6kl_del_pmksa, 3435bdcd8170SKalle Valo .flush_pmksa = ath6kl_flush_pmksa, 3436003353b0SKalle Valo CFG80211_TESTMODE_CMD(ath6kl_tm_cmd) 3437abcb344bSKalle Valo #ifdef CONFIG_PM 343852d81a68SKalle Valo .suspend = __ath6kl_cfg80211_suspend, 343952d81a68SKalle Valo .resume = __ath6kl_cfg80211_resume, 3440abcb344bSKalle Valo #endif 34418860020eSJohannes Berg .start_ap = ath6kl_start_ap, 34428860020eSJohannes Berg .change_beacon = ath6kl_change_beacon, 34438860020eSJohannes Berg .stop_ap = ath6kl_stop_ap, 344433e5308dSJouni Malinen .del_station = ath6kl_del_station, 344523875136SJouni Malinen .change_station = ath6kl_change_station, 344663fa1e0cSJouni Malinen .remain_on_channel = ath6kl_remain_on_channel, 344763fa1e0cSJouni Malinen .cancel_remain_on_channel = ath6kl_cancel_remain_on_channel, 34488a6c8060SJouni Malinen .mgmt_tx = ath6kl_mgmt_tx, 3449ae32c30aSJouni Malinen .mgmt_frame_register = ath6kl_mgmt_frame_register, 345010509f90SKalle Valo .sched_scan_start = ath6kl_cfg80211_sscan_start, 345110509f90SKalle Valo .sched_scan_stop = ath6kl_cfg80211_sscan_stop, 345206e360acSBala Shanmugam .set_bitrate_mask = ath6kl_cfg80211_set_bitrate, 3453279b2862SThomas Pedersen .set_cqm_txe_config = ath6kl_cfg80211_set_txe_config, 3454bdcd8170SKalle Valo }; 3455bdcd8170SKalle Valo 34567125f01dSKalle Valo void ath6kl_cfg80211_stop(struct ath6kl_vif *vif) 3457ec4b7f60SKalle Valo { 345810509f90SKalle Valo ath6kl_cfg80211_sscan_disable(vif); 345910509f90SKalle Valo 3460ec4b7f60SKalle Valo switch (vif->sme_state) { 3461c97a31b0SKalle Valo case SME_DISCONNECTED: 3462c97a31b0SKalle Valo break; 3463ec4b7f60SKalle Valo case SME_CONNECTING: 3464ec4b7f60SKalle Valo cfg80211_connect_result(vif->ndev, vif->bssid, NULL, 0, 3465ec4b7f60SKalle Valo NULL, 0, 3466ec4b7f60SKalle Valo WLAN_STATUS_UNSPECIFIED_FAILURE, 3467ec4b7f60SKalle Valo GFP_KERNEL); 3468ec4b7f60SKalle Valo break; 3469ec4b7f60SKalle Valo case SME_CONNECTED: 347080279fb7SJohannes Berg cfg80211_disconnected(vif->ndev, 0, NULL, 0, true, GFP_KERNEL); 3471ec4b7f60SKalle Valo break; 3472ec4b7f60SKalle Valo } 3473ec4b7f60SKalle Valo 347458109df6SVasanthakumar Thiagarajan if (vif->ar->state != ATH6KL_STATE_RECOVERY && 347558109df6SVasanthakumar Thiagarajan (test_bit(CONNECTED, &vif->flags) || 347658109df6SVasanthakumar Thiagarajan test_bit(CONNECT_PEND, &vif->flags))) 34777125f01dSKalle Valo ath6kl_wmi_disconnect_cmd(vif->ar->wmi, vif->fw_vif_idx); 3478ec4b7f60SKalle Valo 3479ec4b7f60SKalle Valo vif->sme_state = SME_DISCONNECTED; 34801f405255SKalle Valo clear_bit(CONNECTED, &vif->flags); 34811f405255SKalle Valo clear_bit(CONNECT_PEND, &vif->flags); 3482ec4b7f60SKalle Valo 348384caf800SVasanthakumar Thiagarajan /* Stop netdev queues, needed during recovery */ 348484caf800SVasanthakumar Thiagarajan netif_stop_queue(vif->ndev); 348584caf800SVasanthakumar Thiagarajan netif_carrier_off(vif->ndev); 348684caf800SVasanthakumar Thiagarajan 3487ec4b7f60SKalle Valo /* disable scanning */ 348858109df6SVasanthakumar Thiagarajan if (vif->ar->state != ATH6KL_STATE_RECOVERY && 348958109df6SVasanthakumar Thiagarajan ath6kl_wmi_scanparams_cmd(vif->ar->wmi, vif->fw_vif_idx, 0xFFFF, 34907125f01dSKalle Valo 0, 0, 0, 0, 0, 0, 0, 0, 0) != 0) 34917125f01dSKalle Valo ath6kl_warn("failed to disable scan during stop\n"); 3492ec4b7f60SKalle Valo 3493ec4b7f60SKalle Valo ath6kl_cfg80211_scan_complete_event(vif, true); 3494ec4b7f60SKalle Valo } 3495ec4b7f60SKalle Valo 34967125f01dSKalle Valo void ath6kl_cfg80211_stop_all(struct ath6kl *ar) 34977125f01dSKalle Valo { 34987125f01dSKalle Valo struct ath6kl_vif *vif; 34997125f01dSKalle Valo 35007125f01dSKalle Valo vif = ath6kl_vif_first(ar); 350184caf800SVasanthakumar Thiagarajan if (!vif && ar->state != ATH6KL_STATE_RECOVERY) { 35027125f01dSKalle Valo /* save the current power mode before enabling power save */ 35037125f01dSKalle Valo ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode; 35047125f01dSKalle Valo 35057125f01dSKalle Valo if (ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER) != 0) 3506cdeb8602SKalle Valo ath6kl_warn("ath6kl_deep_sleep_enable: wmi_powermode_cmd failed\n"); 35077125f01dSKalle Valo return; 35087125f01dSKalle Valo } 35097125f01dSKalle Valo 35107125f01dSKalle Valo /* 35117125f01dSKalle Valo * FIXME: we should take ar->list_lock to protect changes in the 35127125f01dSKalle Valo * vif_list, but that's not trivial to do as ath6kl_cfg80211_stop() 35137125f01dSKalle Valo * sleeps. 35147125f01dSKalle Valo */ 35157125f01dSKalle Valo list_for_each_entry(vif, &ar->vif_list, list) 35167125f01dSKalle Valo ath6kl_cfg80211_stop(vif); 35177125f01dSKalle Valo } 35187125f01dSKalle Valo 35190c0280bdSLuis R. Rodriguez static void ath6kl_cfg80211_reg_notify(struct wiphy *wiphy, 352084841ba2SKalle Valo struct regulatory_request *request) 352184841ba2SKalle Valo { 352284841ba2SKalle Valo struct ath6kl *ar = wiphy_priv(wiphy); 352384841ba2SKalle Valo u32 rates[IEEE80211_NUM_BANDS]; 352484841ba2SKalle Valo int ret, i; 352584841ba2SKalle Valo 352684841ba2SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 3527ff7e6867SKalle Valo "cfg reg_notify %c%c%s%s initiator %d hint_type %d\n", 352884841ba2SKalle Valo request->alpha2[0], request->alpha2[1], 352984841ba2SKalle Valo request->intersect ? " intersect" : "", 353084841ba2SKalle Valo request->processed ? " processed" : "", 3531ff7e6867SKalle Valo request->initiator, request->user_reg_hint_type); 3532ff7e6867SKalle Valo 3533ff7e6867SKalle Valo if (request->user_reg_hint_type != NL80211_USER_REG_HINT_CELL_BASE) 35340c0280bdSLuis R. Rodriguez return; 353584841ba2SKalle Valo 353684841ba2SKalle Valo ret = ath6kl_wmi_set_regdomain_cmd(ar->wmi, request->alpha2); 353784841ba2SKalle Valo if (ret) { 353884841ba2SKalle Valo ath6kl_err("failed to set regdomain: %d\n", ret); 35390c0280bdSLuis R. Rodriguez return; 354084841ba2SKalle Valo } 354184841ba2SKalle Valo 354284841ba2SKalle Valo /* 354384841ba2SKalle Valo * Firmware will apply the regdomain change only after a scan is 354484841ba2SKalle Valo * issued and it will send a WMI_REGDOMAIN_EVENTID when it has been 354584841ba2SKalle Valo * changed. 354684841ba2SKalle Valo */ 354784841ba2SKalle Valo 354884841ba2SKalle Valo for (i = 0; i < IEEE80211_NUM_BANDS; i++) 354984841ba2SKalle Valo if (wiphy->bands[i]) 355084841ba2SKalle Valo rates[i] = (1 << wiphy->bands[i]->n_bitrates) - 1; 355184841ba2SKalle Valo 355284841ba2SKalle Valo 355384841ba2SKalle Valo ret = ath6kl_wmi_beginscan_cmd(ar->wmi, 0, WMI_LONG_SCAN, false, 355484841ba2SKalle Valo false, 0, ATH6KL_FG_SCAN_INTERVAL, 355584841ba2SKalle Valo 0, NULL, false, rates); 355684841ba2SKalle Valo if (ret) { 355784841ba2SKalle Valo ath6kl_err("failed to start scan for a regdomain change: %d\n", 355884841ba2SKalle Valo ret); 35590c0280bdSLuis R. Rodriguez return; 356084841ba2SKalle Valo } 356184841ba2SKalle Valo } 356284841ba2SKalle Valo 3563c25889e8SKalle Valo static int ath6kl_cfg80211_vif_init(struct ath6kl_vif *vif) 35648dafb70eSVasanthakumar Thiagarajan { 35657baef812SVasanthakumar Thiagarajan vif->aggr_cntxt = aggr_init(vif); 35662132c69cSVasanthakumar Thiagarajan if (!vif->aggr_cntxt) { 35678dafb70eSVasanthakumar Thiagarajan ath6kl_err("failed to initialize aggr\n"); 35688dafb70eSVasanthakumar Thiagarajan return -ENOMEM; 35698dafb70eSVasanthakumar Thiagarajan } 35708dafb70eSVasanthakumar Thiagarajan 3571de3ad713SVasanthakumar Thiagarajan setup_timer(&vif->disconnect_timer, disconnect_timer_handler, 3572108438bcSVasanthakumar Thiagarajan (unsigned long) vif->ndev); 357310509f90SKalle Valo setup_timer(&vif->sched_scan_timer, ath6kl_wmi_sscan_timer, 357410509f90SKalle Valo (unsigned long) vif); 357510509f90SKalle Valo 3576de3ad713SVasanthakumar Thiagarajan set_bit(WMM_ENABLED, &vif->flags); 3577478ac027SVasanthakumar Thiagarajan spin_lock_init(&vif->if_lock); 35788dafb70eSVasanthakumar Thiagarajan 357980abaf9bSVasanthakumar Thiagarajan INIT_LIST_HEAD(&vif->mc_filter); 358080abaf9bSVasanthakumar Thiagarajan 35818dafb70eSVasanthakumar Thiagarajan return 0; 35828dafb70eSVasanthakumar Thiagarajan } 35838dafb70eSVasanthakumar Thiagarajan 3584355b3a98SMohammed Shafi Shajakhan void ath6kl_cfg80211_vif_stop(struct ath6kl_vif *vif, bool wmi_ready) 3585355b3a98SMohammed Shafi Shajakhan { 3586355b3a98SMohammed Shafi Shajakhan static u8 bcast_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; 3587355b3a98SMohammed Shafi Shajakhan bool discon_issued; 3588355b3a98SMohammed Shafi Shajakhan 3589355b3a98SMohammed Shafi Shajakhan netif_stop_queue(vif->ndev); 3590355b3a98SMohammed Shafi Shajakhan 3591355b3a98SMohammed Shafi Shajakhan clear_bit(WLAN_ENABLED, &vif->flags); 3592355b3a98SMohammed Shafi Shajakhan 3593355b3a98SMohammed Shafi Shajakhan if (wmi_ready) { 3594355b3a98SMohammed Shafi Shajakhan discon_issued = test_bit(CONNECTED, &vif->flags) || 3595355b3a98SMohammed Shafi Shajakhan test_bit(CONNECT_PEND, &vif->flags); 3596355b3a98SMohammed Shafi Shajakhan ath6kl_disconnect(vif); 3597355b3a98SMohammed Shafi Shajakhan del_timer(&vif->disconnect_timer); 3598355b3a98SMohammed Shafi Shajakhan 3599355b3a98SMohammed Shafi Shajakhan if (discon_issued) 3600355b3a98SMohammed Shafi Shajakhan ath6kl_disconnect_event(vif, DISCONNECT_CMD, 3601355b3a98SMohammed Shafi Shajakhan (vif->nw_type & AP_NETWORK) ? 3602355b3a98SMohammed Shafi Shajakhan bcast_mac : vif->bssid, 3603355b3a98SMohammed Shafi Shajakhan 0, NULL, 0); 3604355b3a98SMohammed Shafi Shajakhan } 3605355b3a98SMohammed Shafi Shajakhan 3606355b3a98SMohammed Shafi Shajakhan if (vif->scan_req) { 3607355b3a98SMohammed Shafi Shajakhan cfg80211_scan_done(vif->scan_req, true); 3608355b3a98SMohammed Shafi Shajakhan vif->scan_req = NULL; 3609355b3a98SMohammed Shafi Shajakhan } 3610355b3a98SMohammed Shafi Shajakhan 3611355b3a98SMohammed Shafi Shajakhan /* need to clean up enhanced bmiss detection fw state */ 3612355b3a98SMohammed Shafi Shajakhan ath6kl_cfg80211_sta_bmiss_enhance(vif, false); 3613355b3a98SMohammed Shafi Shajakhan } 3614355b3a98SMohammed Shafi Shajakhan 3615c25889e8SKalle Valo void ath6kl_cfg80211_vif_cleanup(struct ath6kl_vif *vif) 36168dafb70eSVasanthakumar Thiagarajan { 361755055976SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 361880abaf9bSVasanthakumar Thiagarajan struct ath6kl_mc_filter *mc_filter, *tmp; 361955055976SVasanthakumar Thiagarajan 36202132c69cSVasanthakumar Thiagarajan aggr_module_destroy(vif->aggr_cntxt); 3621108438bcSVasanthakumar Thiagarajan 362255055976SVasanthakumar Thiagarajan ar->avail_idx_map |= BIT(vif->fw_vif_idx); 362355055976SVasanthakumar Thiagarajan 362455055976SVasanthakumar Thiagarajan if (vif->nw_type == ADHOC_NETWORK) 362555055976SVasanthakumar Thiagarajan ar->ibss_if_active = false; 362655055976SVasanthakumar Thiagarajan 362780abaf9bSVasanthakumar Thiagarajan list_for_each_entry_safe(mc_filter, tmp, &vif->mc_filter, list) { 362880abaf9bSVasanthakumar Thiagarajan list_del(&mc_filter->list); 362980abaf9bSVasanthakumar Thiagarajan kfree(mc_filter); 363080abaf9bSVasanthakumar Thiagarajan } 363180abaf9bSVasanthakumar Thiagarajan 363227929723SVasanthakumar Thiagarajan unregister_netdevice(vif->ndev); 363355055976SVasanthakumar Thiagarajan 363455055976SVasanthakumar Thiagarajan ar->num_vif--; 36358dafb70eSVasanthakumar Thiagarajan } 36368dafb70eSVasanthakumar Thiagarajan 3637552bff0cSJohannes Berg struct wireless_dev *ath6kl_interface_add(struct ath6kl *ar, const char *name, 36386bab2e19STom Gundersen unsigned char name_assign_type, 363984efbb84SJohannes Berg enum nl80211_iftype type, 364084efbb84SJohannes Berg u8 fw_vif_idx, u8 nw_type) 36418dafb70eSVasanthakumar Thiagarajan { 36428dafb70eSVasanthakumar Thiagarajan struct net_device *ndev; 3643108438bcSVasanthakumar Thiagarajan struct ath6kl_vif *vif; 36448dafb70eSVasanthakumar Thiagarajan 36456bab2e19STom Gundersen ndev = alloc_netdev(sizeof(*vif), name, name_assign_type, ether_setup); 36468dafb70eSVasanthakumar Thiagarajan if (!ndev) 36478dafb70eSVasanthakumar Thiagarajan return NULL; 36488dafb70eSVasanthakumar Thiagarajan 3649108438bcSVasanthakumar Thiagarajan vif = netdev_priv(ndev); 3650108438bcSVasanthakumar Thiagarajan ndev->ieee80211_ptr = &vif->wdev; 3651108438bcSVasanthakumar Thiagarajan vif->wdev.wiphy = ar->wiphy; 3652108438bcSVasanthakumar Thiagarajan vif->ar = ar; 3653108438bcSVasanthakumar Thiagarajan vif->ndev = ndev; 3654108438bcSVasanthakumar Thiagarajan SET_NETDEV_DEV(ndev, wiphy_dev(vif->wdev.wiphy)); 3655108438bcSVasanthakumar Thiagarajan vif->wdev.netdev = ndev; 3656108438bcSVasanthakumar Thiagarajan vif->wdev.iftype = type; 3657334234b5SVasanthakumar Thiagarajan vif->fw_vif_idx = fw_vif_idx; 3658d0d670abSKalle Valo vif->nw_type = nw_type; 3659d0d670abSKalle Valo vif->next_mode = nw_type; 36608f46fccdSRaja Mani vif->listen_intvl_t = ATH6KL_DEFAULT_LISTEN_INTVAL; 3661ce0dc0cfSRaja Mani vif->bmiss_time_t = ATH6KL_DEFAULT_BMISS_TIME; 3662eb38987eSRaja Mani vif->bg_scan_period = 0; 366367b3f129SKiran Reddy vif->htcap[IEEE80211_BAND_2GHZ].ht_enable = true; 366467b3f129SKiran Reddy vif->htcap[IEEE80211_BAND_5GHZ].ht_enable = true; 36658dafb70eSVasanthakumar Thiagarajan 366655055976SVasanthakumar Thiagarajan memcpy(ndev->dev_addr, ar->mac_addr, ETH_ALEN); 3667c95dcb59SAarthi Thiruvengadam if (fw_vif_idx != 0) { 366855055976SVasanthakumar Thiagarajan ndev->dev_addr[0] = (ndev->dev_addr[0] ^ (1 << fw_vif_idx)) | 366955055976SVasanthakumar Thiagarajan 0x2; 3670c95dcb59SAarthi Thiruvengadam if (test_bit(ATH6KL_FW_CAPABILITY_CUSTOM_MAC_ADDR, 3671c95dcb59SAarthi Thiruvengadam ar->fw_capabilities)) 3672c95dcb59SAarthi Thiruvengadam ndev->dev_addr[4] ^= 0x80; 3673c95dcb59SAarthi Thiruvengadam } 367455055976SVasanthakumar Thiagarajan 36758dafb70eSVasanthakumar Thiagarajan init_netdev(ndev); 36768dafb70eSVasanthakumar Thiagarajan 3677e29f25f5SVasanthakumar Thiagarajan ath6kl_init_control_info(vif); 36788dafb70eSVasanthakumar Thiagarajan 3679c25889e8SKalle Valo if (ath6kl_cfg80211_vif_init(vif)) 36808dafb70eSVasanthakumar Thiagarajan goto err; 36818dafb70eSVasanthakumar Thiagarajan 368227929723SVasanthakumar Thiagarajan if (register_netdevice(ndev)) 36838dafb70eSVasanthakumar Thiagarajan goto err; 36848dafb70eSVasanthakumar Thiagarajan 368555055976SVasanthakumar Thiagarajan ar->avail_idx_map &= ~BIT(fw_vif_idx); 368614ee6f6bSVasanthakumar Thiagarajan vif->sme_state = SME_DISCONNECTED; 368759c98449SVasanthakumar Thiagarajan set_bit(WLAN_ENABLED, &vif->flags); 36888dafb70eSVasanthakumar Thiagarajan ar->wlan_pwr_state = WLAN_POWER_STATE_ON; 36898dafb70eSVasanthakumar Thiagarajan 369055055976SVasanthakumar Thiagarajan if (type == NL80211_IFTYPE_ADHOC) 369155055976SVasanthakumar Thiagarajan ar->ibss_if_active = true; 369255055976SVasanthakumar Thiagarajan 369311f6e40dSVasanthakumar Thiagarajan spin_lock_bh(&ar->list_lock); 3694990bd915SVasanthakumar Thiagarajan list_add_tail(&vif->list, &ar->vif_list); 369511f6e40dSVasanthakumar Thiagarajan spin_unlock_bh(&ar->list_lock); 3696990bd915SVasanthakumar Thiagarajan 369784efbb84SJohannes Berg return &vif->wdev; 36988dafb70eSVasanthakumar Thiagarajan 36998dafb70eSVasanthakumar Thiagarajan err: 370027929723SVasanthakumar Thiagarajan aggr_module_destroy(vif->aggr_cntxt); 370127929723SVasanthakumar Thiagarajan free_netdev(ndev); 3702bdcd8170SKalle Valo return NULL; 3703bdcd8170SKalle Valo } 3704bdcd8170SKalle Valo 3705964dc9e2SJohannes Berg #ifdef CONFIG_PM 3706964dc9e2SJohannes Berg static const struct wiphy_wowlan_support ath6kl_wowlan_support = { 3707964dc9e2SJohannes Berg .flags = WIPHY_WOWLAN_MAGIC_PKT | 3708964dc9e2SJohannes Berg WIPHY_WOWLAN_DISCONNECT | 3709964dc9e2SJohannes Berg WIPHY_WOWLAN_GTK_REKEY_FAILURE | 3710964dc9e2SJohannes Berg WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | 3711964dc9e2SJohannes Berg WIPHY_WOWLAN_EAP_IDENTITY_REQ | 3712964dc9e2SJohannes Berg WIPHY_WOWLAN_4WAY_HANDSHAKE, 3713964dc9e2SJohannes Berg .n_patterns = WOW_MAX_FILTERS_PER_LIST, 3714964dc9e2SJohannes Berg .pattern_min_len = 1, 3715964dc9e2SJohannes Berg .pattern_max_len = WOW_PATTERN_SIZE, 3716964dc9e2SJohannes Berg }; 3717964dc9e2SJohannes Berg #endif 3718964dc9e2SJohannes Berg 371946d33a21SKalle Valo int ath6kl_cfg80211_init(struct ath6kl *ar) 372046d33a21SKalle Valo { 372146d33a21SKalle Valo struct wiphy *wiphy = ar->wiphy; 3722d92917e4SThomas Pedersen bool band_2gig = false, band_5gig = false, ht = false; 372346d33a21SKalle Valo int ret; 372446d33a21SKalle Valo 372546d33a21SKalle Valo wiphy->mgmt_stypes = ath6kl_mgmt_stypes; 372646d33a21SKalle Valo 372746d33a21SKalle Valo wiphy->max_remain_on_channel_duration = 5000; 372846d33a21SKalle Valo 372946d33a21SKalle Valo /* set device pointer for wiphy */ 373046d33a21SKalle Valo set_wiphy_dev(wiphy, ar->dev); 373146d33a21SKalle Valo 373246d33a21SKalle Valo wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 373346d33a21SKalle Valo BIT(NL80211_IFTYPE_ADHOC) | 373446d33a21SKalle Valo BIT(NL80211_IFTYPE_AP); 373546d33a21SKalle Valo if (ar->p2p) { 373646d33a21SKalle Valo wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_GO) | 373746d33a21SKalle Valo BIT(NL80211_IFTYPE_P2P_CLIENT); 373846d33a21SKalle Valo } 373946d33a21SKalle Valo 374084841ba2SKalle Valo if (config_enabled(CONFIG_ATH6KL_REGDOMAIN) && 3741ff7e6867SKalle Valo test_bit(ATH6KL_FW_CAPABILITY_REGDOMAIN, ar->fw_capabilities)) { 374284841ba2SKalle Valo wiphy->reg_notifier = ath6kl_cfg80211_reg_notify; 3743ff7e6867SKalle Valo ar->wiphy->features |= NL80211_FEATURE_CELL_BASE_REG_HINTS; 3744ff7e6867SKalle Valo } 374584841ba2SKalle Valo 374646d33a21SKalle Valo /* max num of ssids that can be probed during scanning */ 37478ab5415dSJouni Malinen wiphy->max_scan_ssids = MAX_PROBED_SSIDS; 3748dd45b759SNaveen Singh 3749dd45b759SNaveen Singh /* max num of ssids that can be matched after scan */ 3750dd45b759SNaveen Singh if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_MATCH_LIST, 3751dd45b759SNaveen Singh ar->fw_capabilities)) 3752dd45b759SNaveen Singh wiphy->max_match_sets = MAX_PROBED_SSIDS; 3753dd45b759SNaveen Singh 375446d33a21SKalle Valo wiphy->max_scan_ie_len = 1000; /* FIX: what is correct limit? */ 3755d92917e4SThomas Pedersen switch (ar->hw.cap) { 3756d92917e4SThomas Pedersen case WMI_11AN_CAP: 3757d92917e4SThomas Pedersen ht = true; 3758d92917e4SThomas Pedersen case WMI_11A_CAP: 3759d92917e4SThomas Pedersen band_5gig = true; 3760d92917e4SThomas Pedersen break; 3761d92917e4SThomas Pedersen case WMI_11GN_CAP: 3762d92917e4SThomas Pedersen ht = true; 3763d92917e4SThomas Pedersen case WMI_11G_CAP: 3764d92917e4SThomas Pedersen band_2gig = true; 3765d92917e4SThomas Pedersen break; 3766d92917e4SThomas Pedersen case WMI_11AGN_CAP: 3767d92917e4SThomas Pedersen ht = true; 3768d92917e4SThomas Pedersen case WMI_11AG_CAP: 3769d92917e4SThomas Pedersen band_2gig = true; 3770d92917e4SThomas Pedersen band_5gig = true; 3771d92917e4SThomas Pedersen break; 3772d92917e4SThomas Pedersen default: 3773d92917e4SThomas Pedersen ath6kl_err("invalid phy capability!\n"); 3774d92917e4SThomas Pedersen return -EINVAL; 3775d92917e4SThomas Pedersen } 3776d92917e4SThomas Pedersen 37777fd1ce7eSVasanthakumar Thiagarajan /* 37787fd1ce7eSVasanthakumar Thiagarajan * Even if the fw has HT support, advertise HT cap only when 37797fd1ce7eSVasanthakumar Thiagarajan * the firmware has support to override RSN capability, otherwise 37807fd1ce7eSVasanthakumar Thiagarajan * 4-way handshake would fail. 37817fd1ce7eSVasanthakumar Thiagarajan */ 37827fd1ce7eSVasanthakumar Thiagarajan if (!(ht && 37837fd1ce7eSVasanthakumar Thiagarajan test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE, 37847fd1ce7eSVasanthakumar Thiagarajan ar->fw_capabilities))) { 3785d92917e4SThomas Pedersen ath6kl_band_2ghz.ht_cap.cap = 0; 3786d92917e4SThomas Pedersen ath6kl_band_2ghz.ht_cap.ht_supported = false; 3787d92917e4SThomas Pedersen ath6kl_band_5ghz.ht_cap.cap = 0; 3788d92917e4SThomas Pedersen ath6kl_band_5ghz.ht_cap.ht_supported = false; 3789d92917e4SThomas Pedersen } 379006e360acSBala Shanmugam 3791eba95bceSKalle Valo if (test_bit(ATH6KL_FW_CAPABILITY_64BIT_RATES, 3792eba95bceSKalle Valo ar->fw_capabilities)) { 379306e360acSBala Shanmugam ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff; 379406e360acSBala Shanmugam ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff; 379506e360acSBala Shanmugam ath6kl_band_2ghz.ht_cap.mcs.rx_mask[1] = 0xff; 379606e360acSBala Shanmugam ath6kl_band_5ghz.ht_cap.mcs.rx_mask[1] = 0xff; 379706e360acSBala Shanmugam } else { 379806e360acSBala Shanmugam ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff; 379906e360acSBala Shanmugam ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff; 380006e360acSBala Shanmugam } 380106e360acSBala Shanmugam 3802d92917e4SThomas Pedersen if (band_2gig) 380346d33a21SKalle Valo wiphy->bands[IEEE80211_BAND_2GHZ] = &ath6kl_band_2ghz; 3804d92917e4SThomas Pedersen if (band_5gig) 380546d33a21SKalle Valo wiphy->bands[IEEE80211_BAND_5GHZ] = &ath6kl_band_5ghz; 3806d92917e4SThomas Pedersen 380746d33a21SKalle Valo wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; 380846d33a21SKalle Valo 380946d33a21SKalle Valo wiphy->cipher_suites = cipher_suites; 381046d33a21SKalle Valo wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); 381146d33a21SKalle Valo 3812dfb89c56SJohannes Berg #ifdef CONFIG_PM 3813964dc9e2SJohannes Berg wiphy->wowlan = &ath6kl_wowlan_support; 3814dfb89c56SJohannes Berg #endif 381546d33a21SKalle Valo 38168ab5415dSJouni Malinen wiphy->max_sched_scan_ssids = MAX_PROBED_SSIDS; 381746d33a21SKalle Valo 3818f2afdac7SVasanthakumar Thiagarajan ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM | 3819f2afdac7SVasanthakumar Thiagarajan WIPHY_FLAG_HAVE_AP_SME | 3820f2afdac7SVasanthakumar Thiagarajan WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | 3821f2afdac7SVasanthakumar Thiagarajan WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD; 3822f2afdac7SVasanthakumar Thiagarajan 3823b1f47e3aSThomas Pedersen if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_V2, ar->fw_capabilities)) 3824f2afdac7SVasanthakumar Thiagarajan ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN; 3825f2afdac7SVasanthakumar Thiagarajan 382603bdeb0dSVasanthakumar Thiagarajan if (test_bit(ATH6KL_FW_CAPABILITY_INACTIVITY_TIMEOUT, 382703bdeb0dSVasanthakumar Thiagarajan ar->fw_capabilities)) 3828b292219fSJohannes Berg ar->wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER; 382903bdeb0dSVasanthakumar Thiagarajan 3830f2afdac7SVasanthakumar Thiagarajan ar->wiphy->probe_resp_offload = 3831f2afdac7SVasanthakumar Thiagarajan NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | 3832f2afdac7SVasanthakumar Thiagarajan NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | 3833a432e7ccSJouni Malinen NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; 3834f2afdac7SVasanthakumar Thiagarajan 383546d33a21SKalle Valo ret = wiphy_register(wiphy); 383646d33a21SKalle Valo if (ret < 0) { 383746d33a21SKalle Valo ath6kl_err("couldn't register wiphy device\n"); 383846d33a21SKalle Valo return ret; 383946d33a21SKalle Valo } 384046d33a21SKalle Valo 3841e5348a1eSVasanthakumar Thiagarajan ar->wiphy_registered = true; 3842e5348a1eSVasanthakumar Thiagarajan 384346d33a21SKalle Valo return 0; 384446d33a21SKalle Valo } 384546d33a21SKalle Valo 384646d33a21SKalle Valo void ath6kl_cfg80211_cleanup(struct ath6kl *ar) 3847bdcd8170SKalle Valo { 3848be98e3a4SVasanthakumar Thiagarajan wiphy_unregister(ar->wiphy); 3849e5348a1eSVasanthakumar Thiagarajan 3850e5348a1eSVasanthakumar Thiagarajan ar->wiphy_registered = false; 385145eaa78fSKalle Valo } 385246d33a21SKalle Valo 385345eaa78fSKalle Valo struct ath6kl *ath6kl_cfg80211_create(void) 385445eaa78fSKalle Valo { 385545eaa78fSKalle Valo struct ath6kl *ar; 385645eaa78fSKalle Valo struct wiphy *wiphy; 385745eaa78fSKalle Valo 385845eaa78fSKalle Valo /* create a new wiphy for use with cfg80211 */ 385945eaa78fSKalle Valo wiphy = wiphy_new(&ath6kl_cfg80211_ops, sizeof(struct ath6kl)); 386045eaa78fSKalle Valo 386145eaa78fSKalle Valo if (!wiphy) { 386245eaa78fSKalle Valo ath6kl_err("couldn't allocate wiphy device\n"); 386345eaa78fSKalle Valo return NULL; 386445eaa78fSKalle Valo } 386545eaa78fSKalle Valo 386645eaa78fSKalle Valo ar = wiphy_priv(wiphy); 386745eaa78fSKalle Valo ar->wiphy = wiphy; 386845eaa78fSKalle Valo 386945eaa78fSKalle Valo return ar; 387045eaa78fSKalle Valo } 387145eaa78fSKalle Valo 387245eaa78fSKalle Valo /* Note: ar variable must not be accessed after calling this! */ 387345eaa78fSKalle Valo void ath6kl_cfg80211_destroy(struct ath6kl *ar) 387445eaa78fSKalle Valo { 38751d2a4456SVasanthakumar Thiagarajan int i; 38761d2a4456SVasanthakumar Thiagarajan 38771d2a4456SVasanthakumar Thiagarajan for (i = 0; i < AP_MAX_NUM_STA; i++) 38781d2a4456SVasanthakumar Thiagarajan kfree(ar->sta_list[i].aggr_conn); 38791d2a4456SVasanthakumar Thiagarajan 3880be98e3a4SVasanthakumar Thiagarajan wiphy_free(ar->wiphy); 3881bdcd8170SKalle Valo } 388245eaa78fSKalle Valo 3883