1bdcd8170SKalle Valo /* 2bdcd8170SKalle Valo * Copyright (c) 2004-2011 Atheros Communications Inc. 31b2df407SVasanthakumar Thiagarajan * Copyright (c) 2011-2012 Qualcomm Atheros, Inc. 4bdcd8170SKalle Valo * 5bdcd8170SKalle Valo * Permission to use, copy, modify, and/or distribute this software for any 6bdcd8170SKalle Valo * purpose with or without fee is hereby granted, provided that the above 7bdcd8170SKalle Valo * copyright notice and this permission notice appear in all copies. 8bdcd8170SKalle Valo * 9bdcd8170SKalle Valo * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10bdcd8170SKalle Valo * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11bdcd8170SKalle Valo * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12bdcd8170SKalle Valo * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13bdcd8170SKalle Valo * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14bdcd8170SKalle Valo * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15bdcd8170SKalle Valo * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16bdcd8170SKalle Valo */ 17bdcd8170SKalle Valo 18516304b0SJoe Perches #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 19516304b0SJoe Perches 206eb07cafSPaul Gortmaker #include <linux/moduleparam.h> 21c08631c6SRaja Mani #include <linux/inetdevice.h> 22d6a434d6SKalle Valo #include <linux/export.h> 236eb07cafSPaul Gortmaker 24bdcd8170SKalle Valo #include "core.h" 25bdcd8170SKalle Valo #include "cfg80211.h" 26bdcd8170SKalle Valo #include "debug.h" 27abcb344bSKalle Valo #include "hif-ops.h" 28003353b0SKalle Valo #include "testmode.h" 29bdcd8170SKalle Valo 30bdcd8170SKalle Valo #define RATETAB_ENT(_rate, _rateid, _flags) { \ 31bdcd8170SKalle Valo .bitrate = (_rate), \ 32bdcd8170SKalle Valo .flags = (_flags), \ 33bdcd8170SKalle Valo .hw_value = (_rateid), \ 34bdcd8170SKalle Valo } 35bdcd8170SKalle Valo 36bdcd8170SKalle Valo #define CHAN2G(_channel, _freq, _flags) { \ 37bdcd8170SKalle Valo .band = IEEE80211_BAND_2GHZ, \ 38bdcd8170SKalle Valo .hw_value = (_channel), \ 39bdcd8170SKalle Valo .center_freq = (_freq), \ 40bdcd8170SKalle Valo .flags = (_flags), \ 41bdcd8170SKalle Valo .max_antenna_gain = 0, \ 42bdcd8170SKalle Valo .max_power = 30, \ 43bdcd8170SKalle Valo } 44bdcd8170SKalle Valo 45bdcd8170SKalle Valo #define CHAN5G(_channel, _flags) { \ 46bdcd8170SKalle Valo .band = IEEE80211_BAND_5GHZ, \ 47bdcd8170SKalle Valo .hw_value = (_channel), \ 48bdcd8170SKalle Valo .center_freq = 5000 + (5 * (_channel)), \ 49bdcd8170SKalle Valo .flags = (_flags), \ 50bdcd8170SKalle Valo .max_antenna_gain = 0, \ 51bdcd8170SKalle Valo .max_power = 30, \ 52bdcd8170SKalle Valo } 53bdcd8170SKalle Valo 54f599359cSBala Shanmugam #define DEFAULT_BG_SCAN_PERIOD 60 55f599359cSBala Shanmugam 56dd45b759SNaveen Singh struct ath6kl_cfg80211_match_probe_ssid { 57dd45b759SNaveen Singh struct cfg80211_ssid ssid; 58dd45b759SNaveen Singh u8 flag; 59dd45b759SNaveen Singh }; 60dd45b759SNaveen Singh 61bdcd8170SKalle Valo static struct ieee80211_rate ath6kl_rates[] = { 62bdcd8170SKalle Valo RATETAB_ENT(10, 0x1, 0), 63bdcd8170SKalle Valo RATETAB_ENT(20, 0x2, 0), 64bdcd8170SKalle Valo RATETAB_ENT(55, 0x4, 0), 65bdcd8170SKalle Valo RATETAB_ENT(110, 0x8, 0), 66bdcd8170SKalle Valo RATETAB_ENT(60, 0x10, 0), 67bdcd8170SKalle Valo RATETAB_ENT(90, 0x20, 0), 68bdcd8170SKalle Valo RATETAB_ENT(120, 0x40, 0), 69bdcd8170SKalle Valo RATETAB_ENT(180, 0x80, 0), 70bdcd8170SKalle Valo RATETAB_ENT(240, 0x100, 0), 71bdcd8170SKalle Valo RATETAB_ENT(360, 0x200, 0), 72bdcd8170SKalle Valo RATETAB_ENT(480, 0x400, 0), 73bdcd8170SKalle Valo RATETAB_ENT(540, 0x800, 0), 74bdcd8170SKalle Valo }; 75bdcd8170SKalle Valo 76bdcd8170SKalle Valo #define ath6kl_a_rates (ath6kl_rates + 4) 77bdcd8170SKalle Valo #define ath6kl_a_rates_size 8 78bdcd8170SKalle Valo #define ath6kl_g_rates (ath6kl_rates + 0) 79bdcd8170SKalle Valo #define ath6kl_g_rates_size 12 80bdcd8170SKalle Valo 81bed56e31SVasanthakumar Thiagarajan #define ath6kl_g_htcap IEEE80211_HT_CAP_SGI_20 82bed56e31SVasanthakumar Thiagarajan #define ath6kl_a_htcap (IEEE80211_HT_CAP_SUP_WIDTH_20_40 | \ 83faaf1929SVasanthakumar Thiagarajan IEEE80211_HT_CAP_SGI_20 | \ 84faaf1929SVasanthakumar Thiagarajan IEEE80211_HT_CAP_SGI_40) 85faaf1929SVasanthakumar Thiagarajan 86bdcd8170SKalle Valo static struct ieee80211_channel ath6kl_2ghz_channels[] = { 87bdcd8170SKalle Valo CHAN2G(1, 2412, 0), 88bdcd8170SKalle Valo CHAN2G(2, 2417, 0), 89bdcd8170SKalle Valo CHAN2G(3, 2422, 0), 90bdcd8170SKalle Valo CHAN2G(4, 2427, 0), 91bdcd8170SKalle Valo CHAN2G(5, 2432, 0), 92bdcd8170SKalle Valo CHAN2G(6, 2437, 0), 93bdcd8170SKalle Valo CHAN2G(7, 2442, 0), 94bdcd8170SKalle Valo CHAN2G(8, 2447, 0), 95bdcd8170SKalle Valo CHAN2G(9, 2452, 0), 96bdcd8170SKalle Valo CHAN2G(10, 2457, 0), 97bdcd8170SKalle Valo CHAN2G(11, 2462, 0), 98bdcd8170SKalle Valo CHAN2G(12, 2467, 0), 99bdcd8170SKalle Valo CHAN2G(13, 2472, 0), 100bdcd8170SKalle Valo CHAN2G(14, 2484, 0), 101bdcd8170SKalle Valo }; 102bdcd8170SKalle Valo 103bdcd8170SKalle Valo static struct ieee80211_channel ath6kl_5ghz_a_channels[] = { 104bdcd8170SKalle Valo CHAN5G(34, 0), CHAN5G(36, 0), 105bdcd8170SKalle Valo CHAN5G(38, 0), CHAN5G(40, 0), 106bdcd8170SKalle Valo CHAN5G(42, 0), CHAN5G(44, 0), 107bdcd8170SKalle Valo CHAN5G(46, 0), CHAN5G(48, 0), 108bdcd8170SKalle Valo CHAN5G(52, 0), CHAN5G(56, 0), 109bdcd8170SKalle Valo CHAN5G(60, 0), CHAN5G(64, 0), 110bdcd8170SKalle Valo CHAN5G(100, 0), CHAN5G(104, 0), 111bdcd8170SKalle Valo CHAN5G(108, 0), CHAN5G(112, 0), 112bdcd8170SKalle Valo CHAN5G(116, 0), CHAN5G(120, 0), 113bdcd8170SKalle Valo CHAN5G(124, 0), CHAN5G(128, 0), 114bdcd8170SKalle Valo CHAN5G(132, 0), CHAN5G(136, 0), 115bdcd8170SKalle Valo CHAN5G(140, 0), CHAN5G(149, 0), 116bdcd8170SKalle Valo CHAN5G(153, 0), CHAN5G(157, 0), 117bdcd8170SKalle Valo CHAN5G(161, 0), CHAN5G(165, 0), 118bdcd8170SKalle Valo CHAN5G(184, 0), CHAN5G(188, 0), 119bdcd8170SKalle Valo CHAN5G(192, 0), CHAN5G(196, 0), 120bdcd8170SKalle Valo CHAN5G(200, 0), CHAN5G(204, 0), 121bdcd8170SKalle Valo CHAN5G(208, 0), CHAN5G(212, 0), 122bdcd8170SKalle Valo CHAN5G(216, 0), 123bdcd8170SKalle Valo }; 124bdcd8170SKalle Valo 125bdcd8170SKalle Valo static struct ieee80211_supported_band ath6kl_band_2ghz = { 126bdcd8170SKalle Valo .n_channels = ARRAY_SIZE(ath6kl_2ghz_channels), 127bdcd8170SKalle Valo .channels = ath6kl_2ghz_channels, 128bdcd8170SKalle Valo .n_bitrates = ath6kl_g_rates_size, 129bdcd8170SKalle Valo .bitrates = ath6kl_g_rates, 130faaf1929SVasanthakumar Thiagarajan .ht_cap.cap = ath6kl_g_htcap, 131faaf1929SVasanthakumar Thiagarajan .ht_cap.ht_supported = true, 132bdcd8170SKalle Valo }; 133bdcd8170SKalle Valo 134bdcd8170SKalle Valo static struct ieee80211_supported_band ath6kl_band_5ghz = { 135bdcd8170SKalle Valo .n_channels = ARRAY_SIZE(ath6kl_5ghz_a_channels), 136bdcd8170SKalle Valo .channels = ath6kl_5ghz_a_channels, 137bdcd8170SKalle Valo .n_bitrates = ath6kl_a_rates_size, 138bdcd8170SKalle Valo .bitrates = ath6kl_a_rates, 139bed56e31SVasanthakumar Thiagarajan .ht_cap.cap = ath6kl_a_htcap, 140faaf1929SVasanthakumar Thiagarajan .ht_cap.ht_supported = true, 141bdcd8170SKalle Valo }; 142bdcd8170SKalle Valo 143837cb97eSJouni Malinen #define CCKM_KRK_CIPHER_SUITE 0x004096ff /* use for KRK */ 144837cb97eSJouni Malinen 14510509f90SKalle Valo /* returns true if scheduled scan was stopped */ 14610509f90SKalle Valo static bool __ath6kl_cfg80211_sscan_stop(struct ath6kl_vif *vif) 14710509f90SKalle Valo { 14810509f90SKalle Valo struct ath6kl *ar = vif->ar; 14910509f90SKalle Valo 150b1f47e3aSThomas Pedersen if (!test_and_clear_bit(SCHED_SCANNING, &vif->flags)) 15110509f90SKalle Valo return false; 15210509f90SKalle Valo 15310509f90SKalle Valo del_timer_sync(&vif->sched_scan_timer); 15410509f90SKalle Valo 15558109df6SVasanthakumar Thiagarajan if (ar->state == ATH6KL_STATE_RECOVERY) 15658109df6SVasanthakumar Thiagarajan return true; 15710509f90SKalle Valo 158b1f47e3aSThomas Pedersen ath6kl_wmi_enable_sched_scan_cmd(ar->wmi, vif->fw_vif_idx, false); 15910509f90SKalle Valo 16010509f90SKalle Valo return true; 16110509f90SKalle Valo } 16210509f90SKalle Valo 16310509f90SKalle Valo static void ath6kl_cfg80211_sscan_disable(struct ath6kl_vif *vif) 16410509f90SKalle Valo { 16510509f90SKalle Valo struct ath6kl *ar = vif->ar; 16610509f90SKalle Valo bool stopped; 16710509f90SKalle Valo 16810509f90SKalle Valo stopped = __ath6kl_cfg80211_sscan_stop(vif); 16910509f90SKalle Valo 17010509f90SKalle Valo if (!stopped) 17110509f90SKalle Valo return; 17210509f90SKalle Valo 17310509f90SKalle Valo cfg80211_sched_scan_stopped(ar->wiphy); 17410509f90SKalle Valo } 17510509f90SKalle Valo 176240d2799SVasanthakumar Thiagarajan static int ath6kl_set_wpa_version(struct ath6kl_vif *vif, 177bdcd8170SKalle Valo enum nl80211_wpa_versions wpa_version) 178bdcd8170SKalle Valo { 179bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: %u\n", __func__, wpa_version); 180bdcd8170SKalle Valo 181bdcd8170SKalle Valo if (!wpa_version) { 1823450334fSVasanthakumar Thiagarajan vif->auth_mode = NONE_AUTH; 183bdcd8170SKalle Valo } else if (wpa_version & NL80211_WPA_VERSION_2) { 1843450334fSVasanthakumar Thiagarajan vif->auth_mode = WPA2_AUTH; 185bdcd8170SKalle Valo } else if (wpa_version & NL80211_WPA_VERSION_1) { 1863450334fSVasanthakumar Thiagarajan vif->auth_mode = WPA_AUTH; 187bdcd8170SKalle Valo } else { 188bdcd8170SKalle Valo ath6kl_err("%s: %u not supported\n", __func__, wpa_version); 189bdcd8170SKalle Valo return -ENOTSUPP; 190bdcd8170SKalle Valo } 191bdcd8170SKalle Valo 192bdcd8170SKalle Valo return 0; 193bdcd8170SKalle Valo } 194bdcd8170SKalle Valo 195240d2799SVasanthakumar Thiagarajan static int ath6kl_set_auth_type(struct ath6kl_vif *vif, 196bdcd8170SKalle Valo enum nl80211_auth_type auth_type) 197bdcd8170SKalle Valo { 198bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: 0x%x\n", __func__, auth_type); 199bdcd8170SKalle Valo 200bdcd8170SKalle Valo switch (auth_type) { 201bdcd8170SKalle Valo case NL80211_AUTHTYPE_OPEN_SYSTEM: 2023450334fSVasanthakumar Thiagarajan vif->dot11_auth_mode = OPEN_AUTH; 203bdcd8170SKalle Valo break; 204bdcd8170SKalle Valo case NL80211_AUTHTYPE_SHARED_KEY: 2053450334fSVasanthakumar Thiagarajan vif->dot11_auth_mode = SHARED_AUTH; 206bdcd8170SKalle Valo break; 207bdcd8170SKalle Valo case NL80211_AUTHTYPE_NETWORK_EAP: 2083450334fSVasanthakumar Thiagarajan vif->dot11_auth_mode = LEAP_AUTH; 209bdcd8170SKalle Valo break; 210bdcd8170SKalle Valo 211bdcd8170SKalle Valo case NL80211_AUTHTYPE_AUTOMATIC: 2123450334fSVasanthakumar Thiagarajan vif->dot11_auth_mode = OPEN_AUTH | SHARED_AUTH; 213bdcd8170SKalle Valo break; 214bdcd8170SKalle Valo 215bdcd8170SKalle Valo default: 2163c325fbdSMasanari Iida ath6kl_err("%s: 0x%x not supported\n", __func__, auth_type); 217bdcd8170SKalle Valo return -ENOTSUPP; 218bdcd8170SKalle Valo } 219bdcd8170SKalle Valo 220bdcd8170SKalle Valo return 0; 221bdcd8170SKalle Valo } 222bdcd8170SKalle Valo 223240d2799SVasanthakumar Thiagarajan static int ath6kl_set_cipher(struct ath6kl_vif *vif, u32 cipher, bool ucast) 224bdcd8170SKalle Valo { 2253450334fSVasanthakumar Thiagarajan u8 *ar_cipher = ucast ? &vif->prwise_crypto : &vif->grp_crypto; 2263450334fSVasanthakumar Thiagarajan u8 *ar_cipher_len = ucast ? &vif->prwise_crypto_len : 2273450334fSVasanthakumar Thiagarajan &vif->grp_crypto_len; 228bdcd8170SKalle Valo 229bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: cipher 0x%x, ucast %u\n", 230bdcd8170SKalle Valo __func__, cipher, ucast); 231bdcd8170SKalle Valo 232bdcd8170SKalle Valo switch (cipher) { 233bdcd8170SKalle Valo case 0: 234bdcd8170SKalle Valo /* our own hack to use value 0 as no crypto used */ 235bdcd8170SKalle Valo *ar_cipher = NONE_CRYPT; 236bdcd8170SKalle Valo *ar_cipher_len = 0; 237bdcd8170SKalle Valo break; 238bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_WEP40: 239bdcd8170SKalle Valo *ar_cipher = WEP_CRYPT; 240bdcd8170SKalle Valo *ar_cipher_len = 5; 241bdcd8170SKalle Valo break; 242bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_WEP104: 243bdcd8170SKalle Valo *ar_cipher = WEP_CRYPT; 244bdcd8170SKalle Valo *ar_cipher_len = 13; 245bdcd8170SKalle Valo break; 246bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_TKIP: 247bdcd8170SKalle Valo *ar_cipher = TKIP_CRYPT; 248bdcd8170SKalle Valo *ar_cipher_len = 0; 249bdcd8170SKalle Valo break; 250bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_CCMP: 251bdcd8170SKalle Valo *ar_cipher = AES_CRYPT; 252bdcd8170SKalle Valo *ar_cipher_len = 0; 253bdcd8170SKalle Valo break; 2545e07021eSDai Shuibing case WLAN_CIPHER_SUITE_SMS4: 2555e07021eSDai Shuibing *ar_cipher = WAPI_CRYPT; 2565e07021eSDai Shuibing *ar_cipher_len = 0; 2575e07021eSDai Shuibing break; 258bdcd8170SKalle Valo default: 259bdcd8170SKalle Valo ath6kl_err("cipher 0x%x not supported\n", cipher); 260bdcd8170SKalle Valo return -ENOTSUPP; 261bdcd8170SKalle Valo } 262bdcd8170SKalle Valo 263bdcd8170SKalle Valo return 0; 264bdcd8170SKalle Valo } 265bdcd8170SKalle Valo 266240d2799SVasanthakumar Thiagarajan static void ath6kl_set_key_mgmt(struct ath6kl_vif *vif, u32 key_mgmt) 267bdcd8170SKalle Valo { 268bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: 0x%x\n", __func__, key_mgmt); 269bdcd8170SKalle Valo 270bdcd8170SKalle Valo if (key_mgmt == WLAN_AKM_SUITE_PSK) { 2713450334fSVasanthakumar Thiagarajan if (vif->auth_mode == WPA_AUTH) 2723450334fSVasanthakumar Thiagarajan vif->auth_mode = WPA_PSK_AUTH; 2733450334fSVasanthakumar Thiagarajan else if (vif->auth_mode == WPA2_AUTH) 2743450334fSVasanthakumar Thiagarajan vif->auth_mode = WPA2_PSK_AUTH; 275837cb97eSJouni Malinen } else if (key_mgmt == 0x00409600) { 2763450334fSVasanthakumar Thiagarajan if (vif->auth_mode == WPA_AUTH) 2773450334fSVasanthakumar Thiagarajan vif->auth_mode = WPA_AUTH_CCKM; 2783450334fSVasanthakumar Thiagarajan else if (vif->auth_mode == WPA2_AUTH) 2793450334fSVasanthakumar Thiagarajan vif->auth_mode = WPA2_AUTH_CCKM; 280bdcd8170SKalle Valo } else if (key_mgmt != WLAN_AKM_SUITE_8021X) { 2813450334fSVasanthakumar Thiagarajan vif->auth_mode = NONE_AUTH; 282bdcd8170SKalle Valo } 283bdcd8170SKalle Valo } 284bdcd8170SKalle Valo 285990bd915SVasanthakumar Thiagarajan static bool ath6kl_cfg80211_ready(struct ath6kl_vif *vif) 286bdcd8170SKalle Valo { 287990bd915SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 28859c98449SVasanthakumar Thiagarajan 289bdcd8170SKalle Valo if (!test_bit(WMI_READY, &ar->flag)) { 290bdcd8170SKalle Valo ath6kl_err("wmi is not ready\n"); 291bdcd8170SKalle Valo return false; 292bdcd8170SKalle Valo } 293bdcd8170SKalle Valo 29459c98449SVasanthakumar Thiagarajan if (!test_bit(WLAN_ENABLED, &vif->flags)) { 295bdcd8170SKalle Valo ath6kl_err("wlan disabled\n"); 296bdcd8170SKalle Valo return false; 297bdcd8170SKalle Valo } 298bdcd8170SKalle Valo 299bdcd8170SKalle Valo return true; 300bdcd8170SKalle Valo } 301bdcd8170SKalle Valo 3026981ffdcSKevin Fang static bool ath6kl_is_wpa_ie(const u8 *pos) 3036981ffdcSKevin Fang { 30404b2312aSArend van Spriel return pos[0] == WLAN_EID_VENDOR_SPECIFIC && pos[1] >= 4 && 3056981ffdcSKevin Fang pos[2] == 0x00 && pos[3] == 0x50 && 3066981ffdcSKevin Fang pos[4] == 0xf2 && pos[5] == 0x01; 3076981ffdcSKevin Fang } 3086981ffdcSKevin Fang 3096981ffdcSKevin Fang static bool ath6kl_is_rsn_ie(const u8 *pos) 3106981ffdcSKevin Fang { 3116981ffdcSKevin Fang return pos[0] == WLAN_EID_RSN; 3126981ffdcSKevin Fang } 3136981ffdcSKevin Fang 31463541212SAarthi Thiruvengadam static bool ath6kl_is_wps_ie(const u8 *pos) 31563541212SAarthi Thiruvengadam { 31663541212SAarthi Thiruvengadam return (pos[0] == WLAN_EID_VENDOR_SPECIFIC && 31763541212SAarthi Thiruvengadam pos[1] >= 4 && 31863541212SAarthi Thiruvengadam pos[2] == 0x00 && pos[3] == 0x50 && pos[4] == 0xf2 && 31963541212SAarthi Thiruvengadam pos[5] == 0x04); 32063541212SAarthi Thiruvengadam } 32163541212SAarthi Thiruvengadam 322334234b5SVasanthakumar Thiagarajan static int ath6kl_set_assoc_req_ies(struct ath6kl_vif *vif, const u8 *ies, 3236981ffdcSKevin Fang size_t ies_len) 3246981ffdcSKevin Fang { 325334234b5SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 3266981ffdcSKevin Fang const u8 *pos; 3276981ffdcSKevin Fang u8 *buf = NULL; 3286981ffdcSKevin Fang size_t len = 0; 3296981ffdcSKevin Fang int ret; 3306981ffdcSKevin Fang 3316981ffdcSKevin Fang /* 33263541212SAarthi Thiruvengadam * Clear previously set flag 33363541212SAarthi Thiruvengadam */ 33463541212SAarthi Thiruvengadam 33563541212SAarthi Thiruvengadam ar->connect_ctrl_flags &= ~CONNECT_WPS_FLAG; 33663541212SAarthi Thiruvengadam 33763541212SAarthi Thiruvengadam /* 3386981ffdcSKevin Fang * Filter out RSN/WPA IE(s) 3396981ffdcSKevin Fang */ 3406981ffdcSKevin Fang 3416981ffdcSKevin Fang if (ies && ies_len) { 3426981ffdcSKevin Fang buf = kmalloc(ies_len, GFP_KERNEL); 3436981ffdcSKevin Fang if (buf == NULL) 3446981ffdcSKevin Fang return -ENOMEM; 3456981ffdcSKevin Fang pos = ies; 3466981ffdcSKevin Fang 3476981ffdcSKevin Fang while (pos + 1 < ies + ies_len) { 3486981ffdcSKevin Fang if (pos + 2 + pos[1] > ies + ies_len) 3496981ffdcSKevin Fang break; 3506981ffdcSKevin Fang if (!(ath6kl_is_wpa_ie(pos) || ath6kl_is_rsn_ie(pos))) { 3516981ffdcSKevin Fang memcpy(buf + len, pos, 2 + pos[1]); 3526981ffdcSKevin Fang len += 2 + pos[1]; 3536981ffdcSKevin Fang } 35463541212SAarthi Thiruvengadam 35563541212SAarthi Thiruvengadam if (ath6kl_is_wps_ie(pos)) 35663541212SAarthi Thiruvengadam ar->connect_ctrl_flags |= CONNECT_WPS_FLAG; 35763541212SAarthi Thiruvengadam 3586981ffdcSKevin Fang pos += 2 + pos[1]; 3596981ffdcSKevin Fang } 3606981ffdcSKevin Fang } 3616981ffdcSKevin Fang 362334234b5SVasanthakumar Thiagarajan ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 363334234b5SVasanthakumar Thiagarajan WMI_FRAME_ASSOC_REQ, buf, len); 3646981ffdcSKevin Fang kfree(buf); 3656981ffdcSKevin Fang return ret; 3666981ffdcSKevin Fang } 3676981ffdcSKevin Fang 36855055976SVasanthakumar Thiagarajan static int ath6kl_nliftype_to_drv_iftype(enum nl80211_iftype type, u8 *nw_type) 36955055976SVasanthakumar Thiagarajan { 37055055976SVasanthakumar Thiagarajan switch (type) { 37155055976SVasanthakumar Thiagarajan case NL80211_IFTYPE_STATION: 37238142644SMohammed Shafi Shajakhan case NL80211_IFTYPE_P2P_CLIENT: 37355055976SVasanthakumar Thiagarajan *nw_type = INFRA_NETWORK; 37455055976SVasanthakumar Thiagarajan break; 37555055976SVasanthakumar Thiagarajan case NL80211_IFTYPE_ADHOC: 37655055976SVasanthakumar Thiagarajan *nw_type = ADHOC_NETWORK; 37755055976SVasanthakumar Thiagarajan break; 37855055976SVasanthakumar Thiagarajan case NL80211_IFTYPE_AP: 37955055976SVasanthakumar Thiagarajan case NL80211_IFTYPE_P2P_GO: 38055055976SVasanthakumar Thiagarajan *nw_type = AP_NETWORK; 38155055976SVasanthakumar Thiagarajan break; 38255055976SVasanthakumar Thiagarajan default: 38355055976SVasanthakumar Thiagarajan ath6kl_err("invalid interface type %u\n", type); 38455055976SVasanthakumar Thiagarajan return -ENOTSUPP; 38555055976SVasanthakumar Thiagarajan } 38655055976SVasanthakumar Thiagarajan 38755055976SVasanthakumar Thiagarajan return 0; 38855055976SVasanthakumar Thiagarajan } 38955055976SVasanthakumar Thiagarajan 39055055976SVasanthakumar Thiagarajan static bool ath6kl_is_valid_iftype(struct ath6kl *ar, enum nl80211_iftype type, 39155055976SVasanthakumar Thiagarajan u8 *if_idx, u8 *nw_type) 39255055976SVasanthakumar Thiagarajan { 39355055976SVasanthakumar Thiagarajan int i; 39455055976SVasanthakumar Thiagarajan 39555055976SVasanthakumar Thiagarajan if (ath6kl_nliftype_to_drv_iftype(type, nw_type)) 39655055976SVasanthakumar Thiagarajan return false; 39755055976SVasanthakumar Thiagarajan 39855055976SVasanthakumar Thiagarajan if (ar->ibss_if_active || ((type == NL80211_IFTYPE_ADHOC) && 39955055976SVasanthakumar Thiagarajan ar->num_vif)) 40055055976SVasanthakumar Thiagarajan return false; 40155055976SVasanthakumar Thiagarajan 40255055976SVasanthakumar Thiagarajan if (type == NL80211_IFTYPE_STATION || 40355055976SVasanthakumar Thiagarajan type == NL80211_IFTYPE_AP || type == NL80211_IFTYPE_ADHOC) { 40471f96ee6SKalle Valo for (i = 0; i < ar->vif_max; i++) { 4050db96de6SMohammed Shafi Shajakhan if ((ar->avail_idx_map) & BIT(i)) { 40655055976SVasanthakumar Thiagarajan *if_idx = i; 40755055976SVasanthakumar Thiagarajan return true; 40855055976SVasanthakumar Thiagarajan } 40955055976SVasanthakumar Thiagarajan } 41055055976SVasanthakumar Thiagarajan } 41155055976SVasanthakumar Thiagarajan 4123226f68aSVasanthakumar Thiagarajan if (type == NL80211_IFTYPE_P2P_CLIENT || 4133226f68aSVasanthakumar Thiagarajan type == NL80211_IFTYPE_P2P_GO) { 41471f96ee6SKalle Valo for (i = ar->max_norm_iface; i < ar->vif_max; i++) { 4150db96de6SMohammed Shafi Shajakhan if ((ar->avail_idx_map) & BIT(i)) { 4163226f68aSVasanthakumar Thiagarajan *if_idx = i; 4173226f68aSVasanthakumar Thiagarajan return true; 4183226f68aSVasanthakumar Thiagarajan } 4193226f68aSVasanthakumar Thiagarajan } 4203226f68aSVasanthakumar Thiagarajan } 4213226f68aSVasanthakumar Thiagarajan 42255055976SVasanthakumar Thiagarajan return false; 42355055976SVasanthakumar Thiagarajan } 42455055976SVasanthakumar Thiagarajan 4258c9bb054SKalle Valo static bool ath6kl_is_tx_pending(struct ath6kl *ar) 4268c9bb054SKalle Valo { 4278c9bb054SKalle Valo return ar->tx_pending[ath6kl_wmi_get_control_ep(ar->wmi)] == 0; 4288c9bb054SKalle Valo } 4298c9bb054SKalle Valo 430355b3a98SMohammed Shafi Shajakhan static void ath6kl_cfg80211_sta_bmiss_enhance(struct ath6kl_vif *vif, 431355b3a98SMohammed Shafi Shajakhan bool enable) 432355b3a98SMohammed Shafi Shajakhan { 433355b3a98SMohammed Shafi Shajakhan int err; 434355b3a98SMohammed Shafi Shajakhan 435355b3a98SMohammed Shafi Shajakhan if (WARN_ON(!test_bit(WMI_READY, &vif->ar->flag))) 436355b3a98SMohammed Shafi Shajakhan return; 437355b3a98SMohammed Shafi Shajakhan 438355b3a98SMohammed Shafi Shajakhan if (vif->nw_type != INFRA_NETWORK) 439355b3a98SMohammed Shafi Shajakhan return; 440355b3a98SMohammed Shafi Shajakhan 441355b3a98SMohammed Shafi Shajakhan if (!test_bit(ATH6KL_FW_CAPABILITY_BMISS_ENHANCE, 442355b3a98SMohammed Shafi Shajakhan vif->ar->fw_capabilities)) 443355b3a98SMohammed Shafi Shajakhan return; 444355b3a98SMohammed Shafi Shajakhan 445355b3a98SMohammed Shafi Shajakhan ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s fw bmiss enhance\n", 446355b3a98SMohammed Shafi Shajakhan enable ? "enable" : "disable"); 447355b3a98SMohammed Shafi Shajakhan 448355b3a98SMohammed Shafi Shajakhan err = ath6kl_wmi_sta_bmiss_enhance_cmd(vif->ar->wmi, 449355b3a98SMohammed Shafi Shajakhan vif->fw_vif_idx, enable); 450355b3a98SMohammed Shafi Shajakhan if (err) 451355b3a98SMohammed Shafi Shajakhan ath6kl_err("failed to %s enhanced bmiss detection: %d\n", 452355b3a98SMohammed Shafi Shajakhan enable ? "enable" : "disable", err); 453355b3a98SMohammed Shafi Shajakhan } 4548c9bb054SKalle Valo 455bdcd8170SKalle Valo static int ath6kl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, 456bdcd8170SKalle Valo struct cfg80211_connect_params *sme) 457bdcd8170SKalle Valo { 458bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 45959c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 460bdcd8170SKalle Valo int status; 4613ca9d1fcSAarthi Thiruvengadam u8 nw_subtype = (ar->p2p) ? SUBTYPE_P2PDEV : SUBTYPE_NONE; 462ce0dc0cfSRaja Mani u16 interval; 463bdcd8170SKalle Valo 46410509f90SKalle Valo ath6kl_cfg80211_sscan_disable(vif); 46510509f90SKalle Valo 46614ee6f6bSVasanthakumar Thiagarajan vif->sme_state = SME_CONNECTING; 467bdcd8170SKalle Valo 468990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 469bdcd8170SKalle Valo return -EIO; 470bdcd8170SKalle Valo 471bdcd8170SKalle Valo if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) { 472bdcd8170SKalle Valo ath6kl_err("destroy in progress\n"); 473bdcd8170SKalle Valo return -EBUSY; 474bdcd8170SKalle Valo } 475bdcd8170SKalle Valo 476bdcd8170SKalle Valo if (test_bit(SKIP_SCAN, &ar->flag) && 477bdcd8170SKalle Valo ((sme->channel && sme->channel->center_freq == 0) || 478bdcd8170SKalle Valo (sme->bssid && is_zero_ether_addr(sme->bssid)))) { 479bdcd8170SKalle Valo ath6kl_err("SkipScan: channel or bssid invalid\n"); 480bdcd8170SKalle Valo return -EINVAL; 481bdcd8170SKalle Valo } 482bdcd8170SKalle Valo 483bdcd8170SKalle Valo if (down_interruptible(&ar->sem)) { 484bdcd8170SKalle Valo ath6kl_err("busy, couldn't get access\n"); 485bdcd8170SKalle Valo return -ERESTARTSYS; 486bdcd8170SKalle Valo } 487bdcd8170SKalle Valo 488bdcd8170SKalle Valo if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) { 489bdcd8170SKalle Valo ath6kl_err("busy, destroy in progress\n"); 490bdcd8170SKalle Valo up(&ar->sem); 491bdcd8170SKalle Valo return -EBUSY; 492bdcd8170SKalle Valo } 493bdcd8170SKalle Valo 494bdcd8170SKalle Valo if (ar->tx_pending[ath6kl_wmi_get_control_ep(ar->wmi)]) { 495bdcd8170SKalle Valo /* 496bdcd8170SKalle Valo * sleep until the command queue drains 497bdcd8170SKalle Valo */ 498bdcd8170SKalle Valo wait_event_interruptible_timeout(ar->event_wq, 4998c9bb054SKalle Valo ath6kl_is_tx_pending(ar), 500bdcd8170SKalle Valo WMI_TIMEOUT); 501bdcd8170SKalle Valo if (signal_pending(current)) { 502bdcd8170SKalle Valo ath6kl_err("cmd queue drain timeout\n"); 503bdcd8170SKalle Valo up(&ar->sem); 504bdcd8170SKalle Valo return -EINTR; 505bdcd8170SKalle Valo } 506bdcd8170SKalle Valo } 507bdcd8170SKalle Valo 508334234b5SVasanthakumar Thiagarajan status = ath6kl_set_assoc_req_ies(vif, sme->ie, sme->ie_len); 509743b4518SDan Carpenter if (status) { 510743b4518SDan Carpenter up(&ar->sem); 5116981ffdcSKevin Fang return status; 512743b4518SDan Carpenter } 5136e786cb1SJouni Malinen 5146e786cb1SJouni Malinen if (sme->ie == NULL || sme->ie_len == 0) 515542c519aSRaja Mani ar->connect_ctrl_flags &= ~CONNECT_WPS_FLAG; 5166981ffdcSKevin Fang 51759c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags) && 5183450334fSVasanthakumar Thiagarajan vif->ssid_len == sme->ssid_len && 5193450334fSVasanthakumar Thiagarajan !memcmp(vif->ssid, sme->ssid, vif->ssid_len)) { 520cf5333d7SVasanthakumar Thiagarajan vif->reconnect_flag = true; 521334234b5SVasanthakumar Thiagarajan status = ath6kl_wmi_reconnect_cmd(ar->wmi, vif->fw_vif_idx, 522334234b5SVasanthakumar Thiagarajan vif->req_bssid, 523f74bac54SVasanthakumar Thiagarajan vif->ch_hint); 524bdcd8170SKalle Valo 525bdcd8170SKalle Valo up(&ar->sem); 526bdcd8170SKalle Valo if (status) { 527bdcd8170SKalle Valo ath6kl_err("wmi_reconnect_cmd failed\n"); 528bdcd8170SKalle Valo return -EIO; 529bdcd8170SKalle Valo } 530bdcd8170SKalle Valo return 0; 5313450334fSVasanthakumar Thiagarajan } else if (vif->ssid_len == sme->ssid_len && 5323450334fSVasanthakumar Thiagarajan !memcmp(vif->ssid, sme->ssid, vif->ssid_len)) { 533240d2799SVasanthakumar Thiagarajan ath6kl_disconnect(vif); 534bdcd8170SKalle Valo } 535bdcd8170SKalle Valo 5363450334fSVasanthakumar Thiagarajan memset(vif->ssid, 0, sizeof(vif->ssid)); 5373450334fSVasanthakumar Thiagarajan vif->ssid_len = sme->ssid_len; 5383450334fSVasanthakumar Thiagarajan memcpy(vif->ssid, sme->ssid, sme->ssid_len); 539bdcd8170SKalle Valo 540bdcd8170SKalle Valo if (sme->channel) 541f74bac54SVasanthakumar Thiagarajan vif->ch_hint = sme->channel->center_freq; 542bdcd8170SKalle Valo 5438c8b65e3SVasanthakumar Thiagarajan memset(vif->req_bssid, 0, sizeof(vif->req_bssid)); 544bdcd8170SKalle Valo if (sme->bssid && !is_broadcast_ether_addr(sme->bssid)) 5458c8b65e3SVasanthakumar Thiagarajan memcpy(vif->req_bssid, sme->bssid, sizeof(vif->req_bssid)); 546bdcd8170SKalle Valo 547240d2799SVasanthakumar Thiagarajan ath6kl_set_wpa_version(vif, sme->crypto.wpa_versions); 548bdcd8170SKalle Valo 549240d2799SVasanthakumar Thiagarajan status = ath6kl_set_auth_type(vif, sme->auth_type); 550bdcd8170SKalle Valo if (status) { 551bdcd8170SKalle Valo up(&ar->sem); 552bdcd8170SKalle Valo return status; 553bdcd8170SKalle Valo } 554bdcd8170SKalle Valo 555bdcd8170SKalle Valo if (sme->crypto.n_ciphers_pairwise) 556240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, sme->crypto.ciphers_pairwise[0], true); 557bdcd8170SKalle Valo else 558240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, 0, true); 559bdcd8170SKalle Valo 560240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, sme->crypto.cipher_group, false); 561bdcd8170SKalle Valo 562bdcd8170SKalle Valo if (sme->crypto.n_akm_suites) 563240d2799SVasanthakumar Thiagarajan ath6kl_set_key_mgmt(vif, sme->crypto.akm_suites[0]); 564bdcd8170SKalle Valo 565bdcd8170SKalle Valo if ((sme->key_len) && 5663450334fSVasanthakumar Thiagarajan (vif->auth_mode == NONE_AUTH) && 5673450334fSVasanthakumar Thiagarajan (vif->prwise_crypto == WEP_CRYPT)) { 568bdcd8170SKalle Valo struct ath6kl_key *key = NULL; 569bdcd8170SKalle Valo 570792ecb33SVivek Natarajan if (sme->key_idx > WMI_MAX_KEY_INDEX) { 571bdcd8170SKalle Valo ath6kl_err("key index %d out of bounds\n", 572bdcd8170SKalle Valo sme->key_idx); 573bdcd8170SKalle Valo up(&ar->sem); 574bdcd8170SKalle Valo return -ENOENT; 575bdcd8170SKalle Valo } 576bdcd8170SKalle Valo 5776f2a73f9SVasanthakumar Thiagarajan key = &vif->keys[sme->key_idx]; 578bdcd8170SKalle Valo key->key_len = sme->key_len; 579bdcd8170SKalle Valo memcpy(key->key, sme->key, key->key_len); 5803450334fSVasanthakumar Thiagarajan key->cipher = vif->prwise_crypto; 5813450334fSVasanthakumar Thiagarajan vif->def_txkey_index = sme->key_idx; 582bdcd8170SKalle Valo 583334234b5SVasanthakumar Thiagarajan ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, sme->key_idx, 5843450334fSVasanthakumar Thiagarajan vif->prwise_crypto, 585bdcd8170SKalle Valo GROUP_USAGE | TX_USAGE, 586bdcd8170SKalle Valo key->key_len, 587f4bb9a6fSJouni Malinen NULL, 0, 588bdcd8170SKalle Valo key->key, KEY_OP_INIT_VAL, NULL, 589bdcd8170SKalle Valo NO_SYNC_WMIFLAG); 590bdcd8170SKalle Valo } 591bdcd8170SKalle Valo 592bdcd8170SKalle Valo if (!ar->usr_bss_filter) { 59359c98449SVasanthakumar Thiagarajan clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags); 594240d2799SVasanthakumar Thiagarajan if (ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 595240d2799SVasanthakumar Thiagarajan ALL_BSS_FILTER, 0) != 0) { 596bdcd8170SKalle Valo ath6kl_err("couldn't set bss filtering\n"); 597bdcd8170SKalle Valo up(&ar->sem); 598bdcd8170SKalle Valo return -EIO; 599bdcd8170SKalle Valo } 600bdcd8170SKalle Valo } 601bdcd8170SKalle Valo 602f5938f24SVasanthakumar Thiagarajan vif->nw_type = vif->next_mode; 603bdcd8170SKalle Valo 604c422d52dSThomas Pedersen /* enable enhanced bmiss detection if applicable */ 605c422d52dSThomas Pedersen ath6kl_cfg80211_sta_bmiss_enhance(vif, true); 606c422d52dSThomas Pedersen 6073ca9d1fcSAarthi Thiruvengadam if (vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) 6083ca9d1fcSAarthi Thiruvengadam nw_subtype = SUBTYPE_P2PCLIENT; 6093ca9d1fcSAarthi Thiruvengadam 610bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 611bdcd8170SKalle Valo "%s: connect called with authmode %d dot11 auth %d" 612bdcd8170SKalle Valo " PW crypto %d PW crypto len %d GRP crypto %d" 613bdcd8170SKalle Valo " GRP crypto len %d channel hint %u\n", 614bdcd8170SKalle Valo __func__, 6153450334fSVasanthakumar Thiagarajan vif->auth_mode, vif->dot11_auth_mode, vif->prwise_crypto, 6163450334fSVasanthakumar Thiagarajan vif->prwise_crypto_len, vif->grp_crypto, 617f74bac54SVasanthakumar Thiagarajan vif->grp_crypto_len, vif->ch_hint); 618bdcd8170SKalle Valo 619cf5333d7SVasanthakumar Thiagarajan vif->reconnect_flag = 0; 620ce0dc0cfSRaja Mani 621ce0dc0cfSRaja Mani if (vif->nw_type == INFRA_NETWORK) { 622b5283871SKalle Valo interval = max_t(u16, vif->listen_intvl_t, 623b5283871SKalle Valo ATH6KL_MAX_WOW_LISTEN_INTL); 624ce0dc0cfSRaja Mani status = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx, 625ce0dc0cfSRaja Mani interval, 626ce0dc0cfSRaja Mani 0); 627ce0dc0cfSRaja Mani if (status) { 628ce0dc0cfSRaja Mani ath6kl_err("couldn't set listen intervel\n"); 629ce0dc0cfSRaja Mani up(&ar->sem); 630ce0dc0cfSRaja Mani return status; 631ce0dc0cfSRaja Mani } 632ce0dc0cfSRaja Mani } 633ce0dc0cfSRaja Mani 634334234b5SVasanthakumar Thiagarajan status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type, 6353450334fSVasanthakumar Thiagarajan vif->dot11_auth_mode, vif->auth_mode, 6363450334fSVasanthakumar Thiagarajan vif->prwise_crypto, 6373450334fSVasanthakumar Thiagarajan vif->prwise_crypto_len, 6383450334fSVasanthakumar Thiagarajan vif->grp_crypto, vif->grp_crypto_len, 6393450334fSVasanthakumar Thiagarajan vif->ssid_len, vif->ssid, 640f74bac54SVasanthakumar Thiagarajan vif->req_bssid, vif->ch_hint, 6413ca9d1fcSAarthi Thiruvengadam ar->connect_ctrl_flags, nw_subtype); 642bdcd8170SKalle Valo 6436f7c1adbSMohammed Shafi Shajakhan if (sme->bg_scan_period == 0) { 644f599359cSBala Shanmugam /* disable background scan if period is 0 */ 645f599359cSBala Shanmugam sme->bg_scan_period = 0xffff; 6466f7c1adbSMohammed Shafi Shajakhan } else if (sme->bg_scan_period == -1) { 647f599359cSBala Shanmugam /* configure default value if not specified */ 648f599359cSBala Shanmugam sme->bg_scan_period = DEFAULT_BG_SCAN_PERIOD; 6496f7c1adbSMohammed Shafi Shajakhan } 650f599359cSBala Shanmugam 651f599359cSBala Shanmugam ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 0, 0, 652f599359cSBala Shanmugam sme->bg_scan_period, 0, 0, 0, 3, 0, 0, 0); 653f599359cSBala Shanmugam 654bdcd8170SKalle Valo up(&ar->sem); 655bdcd8170SKalle Valo 656bdcd8170SKalle Valo if (status == -EINVAL) { 6573450334fSVasanthakumar Thiagarajan memset(vif->ssid, 0, sizeof(vif->ssid)); 6583450334fSVasanthakumar Thiagarajan vif->ssid_len = 0; 659bdcd8170SKalle Valo ath6kl_err("invalid request\n"); 660bdcd8170SKalle Valo return -ENOENT; 661bdcd8170SKalle Valo } else if (status) { 662bdcd8170SKalle Valo ath6kl_err("ath6kl_wmi_connect_cmd failed\n"); 663bdcd8170SKalle Valo return -EIO; 664bdcd8170SKalle Valo } 665bdcd8170SKalle Valo 666bdcd8170SKalle Valo if ((!(ar->connect_ctrl_flags & CONNECT_DO_WPA_OFFLOAD)) && 667ddc3d77cSKalle Valo ((vif->auth_mode == WPA_PSK_AUTH) || 668ddc3d77cSKalle Valo (vif->auth_mode == WPA2_PSK_AUTH))) { 669de3ad713SVasanthakumar Thiagarajan mod_timer(&vif->disconnect_timer, 670bdcd8170SKalle Valo jiffies + msecs_to_jiffies(DISCON_TIMER_INTVAL)); 671bdcd8170SKalle Valo } 672bdcd8170SKalle Valo 673bdcd8170SKalle Valo ar->connect_ctrl_flags &= ~CONNECT_DO_WPA_OFFLOAD; 67459c98449SVasanthakumar Thiagarajan set_bit(CONNECT_PEND, &vif->flags); 675bdcd8170SKalle Valo 676bdcd8170SKalle Valo return 0; 677bdcd8170SKalle Valo } 678bdcd8170SKalle Valo 6795e13fd35SVasanthakumar Thiagarajan static struct cfg80211_bss * 6805e13fd35SVasanthakumar Thiagarajan ath6kl_add_bss_if_needed(struct ath6kl_vif *vif, 6814eab6f4fSRaja Mani enum network_type nw_type, 6824eab6f4fSRaja Mani const u8 *bssid, 68301cac476SJouni Malinen struct ieee80211_channel *chan, 6845e13fd35SVasanthakumar Thiagarajan const u8 *beacon_ie, 6855e13fd35SVasanthakumar Thiagarajan size_t beacon_ie_len) 68601cac476SJouni Malinen { 687240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 68801cac476SJouni Malinen struct cfg80211_bss *bss; 6894eab6f4fSRaja Mani u16 cap_mask, cap_val; 69001cac476SJouni Malinen u8 *ie; 69101cac476SJouni Malinen 6924eab6f4fSRaja Mani if (nw_type & ADHOC_NETWORK) { 6934eab6f4fSRaja Mani cap_mask = WLAN_CAPABILITY_IBSS; 6944eab6f4fSRaja Mani cap_val = WLAN_CAPABILITY_IBSS; 6954eab6f4fSRaja Mani } else { 6964eab6f4fSRaja Mani cap_mask = WLAN_CAPABILITY_ESS; 6974eab6f4fSRaja Mani cap_val = WLAN_CAPABILITY_ESS; 6984eab6f4fSRaja Mani } 6994eab6f4fSRaja Mani 700be98e3a4SVasanthakumar Thiagarajan bss = cfg80211_get_bss(ar->wiphy, chan, bssid, 7014eab6f4fSRaja Mani vif->ssid, vif->ssid_len, 7024eab6f4fSRaja Mani cap_mask, cap_val); 70301cac476SJouni Malinen if (bss == NULL) { 70401cac476SJouni Malinen /* 70501cac476SJouni Malinen * Since cfg80211 may not yet know about the BSS, 70601cac476SJouni Malinen * generate a partial entry until the first BSS info 70701cac476SJouni Malinen * event becomes available. 70801cac476SJouni Malinen * 70901cac476SJouni Malinen * Prepend SSID element since it is not included in the Beacon 71001cac476SJouni Malinen * IEs from the target. 71101cac476SJouni Malinen */ 7123450334fSVasanthakumar Thiagarajan ie = kmalloc(2 + vif->ssid_len + beacon_ie_len, GFP_KERNEL); 71301cac476SJouni Malinen if (ie == NULL) 7145e13fd35SVasanthakumar Thiagarajan return NULL; 71501cac476SJouni Malinen ie[0] = WLAN_EID_SSID; 7163450334fSVasanthakumar Thiagarajan ie[1] = vif->ssid_len; 7173450334fSVasanthakumar Thiagarajan memcpy(ie + 2, vif->ssid, vif->ssid_len); 7183450334fSVasanthakumar Thiagarajan memcpy(ie + 2 + vif->ssid_len, beacon_ie, beacon_ie_len); 719be98e3a4SVasanthakumar Thiagarajan bss = cfg80211_inform_bss(ar->wiphy, chan, 7204eab6f4fSRaja Mani bssid, 0, cap_val, 100, 7213450334fSVasanthakumar Thiagarajan ie, 2 + vif->ssid_len + beacon_ie_len, 72201cac476SJouni Malinen 0, GFP_KERNEL); 72301cac476SJouni Malinen if (bss) 724cdeb8602SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 725cdeb8602SKalle Valo "added bss %pM to cfg80211\n", bssid); 72601cac476SJouni Malinen kfree(ie); 72701cac476SJouni Malinen } else 7285e13fd35SVasanthakumar Thiagarajan ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "cfg80211 already has a bss\n"); 72901cac476SJouni Malinen 7305e13fd35SVasanthakumar Thiagarajan return bss; 73101cac476SJouni Malinen } 73201cac476SJouni Malinen 733240d2799SVasanthakumar Thiagarajan void ath6kl_cfg80211_connect_event(struct ath6kl_vif *vif, u16 channel, 734bdcd8170SKalle Valo u8 *bssid, u16 listen_intvl, 735bdcd8170SKalle Valo u16 beacon_intvl, 736bdcd8170SKalle Valo enum network_type nw_type, 737bdcd8170SKalle Valo u8 beacon_ie_len, u8 assoc_req_len, 738bdcd8170SKalle Valo u8 assoc_resp_len, u8 *assoc_info) 739bdcd8170SKalle Valo { 74001cac476SJouni Malinen struct ieee80211_channel *chan; 741240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 7425e13fd35SVasanthakumar Thiagarajan struct cfg80211_bss *bss; 743bdcd8170SKalle Valo 744bdcd8170SKalle Valo /* capinfo + listen interval */ 745bdcd8170SKalle Valo u8 assoc_req_ie_offset = sizeof(u16) + sizeof(u16); 746bdcd8170SKalle Valo 747bdcd8170SKalle Valo /* capinfo + status code + associd */ 748bdcd8170SKalle Valo u8 assoc_resp_ie_offset = sizeof(u16) + sizeof(u16) + sizeof(u16); 749bdcd8170SKalle Valo 750bdcd8170SKalle Valo u8 *assoc_req_ie = assoc_info + beacon_ie_len + assoc_req_ie_offset; 751bdcd8170SKalle Valo u8 *assoc_resp_ie = assoc_info + beacon_ie_len + assoc_req_len + 752bdcd8170SKalle Valo assoc_resp_ie_offset; 753bdcd8170SKalle Valo 754bdcd8170SKalle Valo assoc_req_len -= assoc_req_ie_offset; 755bdcd8170SKalle Valo assoc_resp_len -= assoc_resp_ie_offset; 756bdcd8170SKalle Valo 75732c10874SJouni Malinen /* 75832c10874SJouni Malinen * Store Beacon interval here; DTIM period will be available only once 75932c10874SJouni Malinen * a Beacon frame from the AP is seen. 76032c10874SJouni Malinen */ 761cf5333d7SVasanthakumar Thiagarajan vif->assoc_bss_beacon_int = beacon_intvl; 76259c98449SVasanthakumar Thiagarajan clear_bit(DTIM_PERIOD_AVAIL, &vif->flags); 76332c10874SJouni Malinen 764bdcd8170SKalle Valo if (nw_type & ADHOC_NETWORK) { 765551959d8SVasanthakumar Thiagarajan if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC) { 766bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 767bdcd8170SKalle Valo "%s: ath6k not in ibss mode\n", __func__); 768bdcd8170SKalle Valo return; 769bdcd8170SKalle Valo } 770bdcd8170SKalle Valo } 771bdcd8170SKalle Valo 772bdcd8170SKalle Valo if (nw_type & INFRA_NETWORK) { 773551959d8SVasanthakumar Thiagarajan if (vif->wdev.iftype != NL80211_IFTYPE_STATION && 774551959d8SVasanthakumar Thiagarajan vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) { 775bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 776bdcd8170SKalle Valo "%s: ath6k not in station mode\n", __func__); 777bdcd8170SKalle Valo return; 778bdcd8170SKalle Valo } 779bdcd8170SKalle Valo } 780bdcd8170SKalle Valo 781be98e3a4SVasanthakumar Thiagarajan chan = ieee80211_get_channel(ar->wiphy, (int) channel); 782bdcd8170SKalle Valo 7835e13fd35SVasanthakumar Thiagarajan bss = ath6kl_add_bss_if_needed(vif, nw_type, bssid, chan, 7845e13fd35SVasanthakumar Thiagarajan assoc_info, beacon_ie_len); 7855e13fd35SVasanthakumar Thiagarajan if (!bss) { 7864eab6f4fSRaja Mani ath6kl_err("could not add cfg80211 bss entry\n"); 787bdcd8170SKalle Valo return; 788bdcd8170SKalle Valo } 789bdcd8170SKalle Valo 7904eab6f4fSRaja Mani if (nw_type & ADHOC_NETWORK) { 7914eab6f4fSRaja Mani ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "ad-hoc %s selected\n", 7924eab6f4fSRaja Mani nw_type & ADHOC_CREATOR ? "creator" : "joiner"); 7934eab6f4fSRaja Mani cfg80211_ibss_joined(vif->ndev, bssid, GFP_KERNEL); 7945b112d3dSJohannes Berg cfg80211_put_bss(ar->wiphy, bss); 79501cac476SJouni Malinen return; 79601cac476SJouni Malinen } 79701cac476SJouni Malinen 79814ee6f6bSVasanthakumar Thiagarajan if (vif->sme_state == SME_CONNECTING) { 799bdcd8170SKalle Valo /* inform connect result to cfg80211 */ 80014ee6f6bSVasanthakumar Thiagarajan vif->sme_state = SME_CONNECTED; 801240d2799SVasanthakumar Thiagarajan cfg80211_connect_result(vif->ndev, bssid, 802bdcd8170SKalle Valo assoc_req_ie, assoc_req_len, 803bdcd8170SKalle Valo assoc_resp_ie, assoc_resp_len, 804bdcd8170SKalle Valo WLAN_STATUS_SUCCESS, GFP_KERNEL); 8055b112d3dSJohannes Berg cfg80211_put_bss(ar->wiphy, bss); 80614ee6f6bSVasanthakumar Thiagarajan } else if (vif->sme_state == SME_CONNECTED) { 807bdcd8170SKalle Valo /* inform roam event to cfg80211 */ 8085e13fd35SVasanthakumar Thiagarajan cfg80211_roamed_bss(vif->ndev, bss, assoc_req_ie, assoc_req_len, 809bdcd8170SKalle Valo assoc_resp_ie, assoc_resp_len, GFP_KERNEL); 810bdcd8170SKalle Valo } 811bdcd8170SKalle Valo } 812bdcd8170SKalle Valo 813bdcd8170SKalle Valo static int ath6kl_cfg80211_disconnect(struct wiphy *wiphy, 814bdcd8170SKalle Valo struct net_device *dev, u16 reason_code) 815bdcd8170SKalle Valo { 816d6d5c06cSKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 8173450334fSVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 818bdcd8170SKalle Valo 819bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: reason=%u\n", __func__, 820bdcd8170SKalle Valo reason_code); 821bdcd8170SKalle Valo 82210509f90SKalle Valo ath6kl_cfg80211_sscan_disable(vif); 82310509f90SKalle Valo 824990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 825bdcd8170SKalle Valo return -EIO; 826bdcd8170SKalle Valo 827bdcd8170SKalle Valo if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) { 828bdcd8170SKalle Valo ath6kl_err("busy, destroy in progress\n"); 829bdcd8170SKalle Valo return -EBUSY; 830bdcd8170SKalle Valo } 831bdcd8170SKalle Valo 832bdcd8170SKalle Valo if (down_interruptible(&ar->sem)) { 833bdcd8170SKalle Valo ath6kl_err("busy, couldn't get access\n"); 834bdcd8170SKalle Valo return -ERESTARTSYS; 835bdcd8170SKalle Valo } 836bdcd8170SKalle Valo 837cf5333d7SVasanthakumar Thiagarajan vif->reconnect_flag = 0; 838240d2799SVasanthakumar Thiagarajan ath6kl_disconnect(vif); 8393450334fSVasanthakumar Thiagarajan memset(vif->ssid, 0, sizeof(vif->ssid)); 8403450334fSVasanthakumar Thiagarajan vif->ssid_len = 0; 841bdcd8170SKalle Valo 842bdcd8170SKalle Valo if (!test_bit(SKIP_SCAN, &ar->flag)) 8438c8b65e3SVasanthakumar Thiagarajan memset(vif->req_bssid, 0, sizeof(vif->req_bssid)); 844bdcd8170SKalle Valo 845bdcd8170SKalle Valo up(&ar->sem); 846bdcd8170SKalle Valo 84714ee6f6bSVasanthakumar Thiagarajan vif->sme_state = SME_DISCONNECTED; 848170826ddSVasanthakumar Thiagarajan 849bdcd8170SKalle Valo return 0; 850bdcd8170SKalle Valo } 851bdcd8170SKalle Valo 852240d2799SVasanthakumar Thiagarajan void ath6kl_cfg80211_disconnect_event(struct ath6kl_vif *vif, u8 reason, 853bdcd8170SKalle Valo u8 *bssid, u8 assoc_resp_len, 854bdcd8170SKalle Valo u8 *assoc_info, u16 proto_reason) 855bdcd8170SKalle Valo { 856240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 85759c98449SVasanthakumar Thiagarajan 85814ee6f6bSVasanthakumar Thiagarajan if (vif->scan_req) { 85914ee6f6bSVasanthakumar Thiagarajan cfg80211_scan_done(vif->scan_req, true); 86014ee6f6bSVasanthakumar Thiagarajan vif->scan_req = NULL; 861bdcd8170SKalle Valo } 862bdcd8170SKalle Valo 863f5938f24SVasanthakumar Thiagarajan if (vif->nw_type & ADHOC_NETWORK) { 864551959d8SVasanthakumar Thiagarajan if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC) { 865bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 866bdcd8170SKalle Valo "%s: ath6k not in ibss mode\n", __func__); 867bdcd8170SKalle Valo return; 868bdcd8170SKalle Valo } 869bdcd8170SKalle Valo memset(bssid, 0, ETH_ALEN); 870240d2799SVasanthakumar Thiagarajan cfg80211_ibss_joined(vif->ndev, bssid, GFP_KERNEL); 871bdcd8170SKalle Valo return; 872bdcd8170SKalle Valo } 873bdcd8170SKalle Valo 874f5938f24SVasanthakumar Thiagarajan if (vif->nw_type & INFRA_NETWORK) { 875551959d8SVasanthakumar Thiagarajan if (vif->wdev.iftype != NL80211_IFTYPE_STATION && 876551959d8SVasanthakumar Thiagarajan vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) { 877bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 878bdcd8170SKalle Valo "%s: ath6k not in station mode\n", __func__); 879bdcd8170SKalle Valo return; 880bdcd8170SKalle Valo } 881bdcd8170SKalle Valo } 882bdcd8170SKalle Valo 88359c98449SVasanthakumar Thiagarajan clear_bit(CONNECT_PEND, &vif->flags); 884bdcd8170SKalle Valo 88514ee6f6bSVasanthakumar Thiagarajan if (vif->sme_state == SME_CONNECTING) { 886240d2799SVasanthakumar Thiagarajan cfg80211_connect_result(vif->ndev, 887bdcd8170SKalle Valo bssid, NULL, 0, 888bdcd8170SKalle Valo NULL, 0, 889bdcd8170SKalle Valo WLAN_STATUS_UNSPECIFIED_FAILURE, 890bdcd8170SKalle Valo GFP_KERNEL); 89114ee6f6bSVasanthakumar Thiagarajan } else if (vif->sme_state == SME_CONNECTED) { 89233a6664aSThomas Pedersen cfg80211_disconnected(vif->ndev, proto_reason, 893bdcd8170SKalle Valo NULL, 0, GFP_KERNEL); 894bdcd8170SKalle Valo } 895bdcd8170SKalle Valo 89614ee6f6bSVasanthakumar Thiagarajan vif->sme_state = SME_DISCONNECTED; 89733a6664aSThomas Pedersen 89833a6664aSThomas Pedersen /* 89933a6664aSThomas Pedersen * Send a disconnect command to target when a disconnect event is 90033a6664aSThomas Pedersen * received with reason code other than 3 (DISCONNECT_CMD - disconnect 90133a6664aSThomas Pedersen * request from host) to make the firmware stop trying to connect even 90233a6664aSThomas Pedersen * after giving disconnect event. There will be one more disconnect 90333a6664aSThomas Pedersen * event for this disconnect command with reason code DISCONNECT_CMD 90433a6664aSThomas Pedersen * which won't be notified to cfg80211. 90533a6664aSThomas Pedersen */ 90633a6664aSThomas Pedersen if (reason != DISCONNECT_CMD) 90733a6664aSThomas Pedersen ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx); 908bdcd8170SKalle Valo } 909bdcd8170SKalle Valo 9103b8ffc6aSJouni Malinen static int ath6kl_set_probed_ssids(struct ath6kl *ar, 9113b8ffc6aSJouni Malinen struct ath6kl_vif *vif, 912dd45b759SNaveen Singh struct cfg80211_ssid *ssids, int n_ssids, 913dd45b759SNaveen Singh struct cfg80211_match_set *match_set, 914dd45b759SNaveen Singh int n_match_ssid) 9153b8ffc6aSJouni Malinen { 916dd45b759SNaveen Singh u8 i, j, index_to_add, ssid_found = false; 917dd45b759SNaveen Singh struct ath6kl_cfg80211_match_probe_ssid ssid_list[MAX_PROBED_SSIDS]; 9183b8ffc6aSJouni Malinen 919dd45b759SNaveen Singh memset(ssid_list, 0, sizeof(ssid_list)); 920dd45b759SNaveen Singh 921dd45b759SNaveen Singh if (n_ssids > MAX_PROBED_SSIDS || 922dd45b759SNaveen Singh n_match_ssid > MAX_PROBED_SSIDS) 9233b8ffc6aSJouni Malinen return -EINVAL; 9243b8ffc6aSJouni Malinen 9253b8ffc6aSJouni Malinen for (i = 0; i < n_ssids; i++) { 926dd45b759SNaveen Singh memcpy(ssid_list[i].ssid.ssid, 927dd45b759SNaveen Singh ssids[i].ssid, 928dd45b759SNaveen Singh ssids[i].ssid_len); 929dd45b759SNaveen Singh ssid_list[i].ssid.ssid_len = ssids[i].ssid_len; 930dd45b759SNaveen Singh 931dd45b759SNaveen Singh if (ssids[i].ssid_len) 932dd45b759SNaveen Singh ssid_list[i].flag = SPECIFIC_SSID_FLAG; 933dd45b759SNaveen Singh else 934dd45b759SNaveen Singh ssid_list[i].flag = ANY_SSID_FLAG; 935dd45b759SNaveen Singh 936dd45b759SNaveen Singh if (n_match_ssid == 0) 937dd45b759SNaveen Singh ssid_list[i].flag |= MATCH_SSID_FLAG; 938dd45b759SNaveen Singh } 939dd45b759SNaveen Singh 940dd45b759SNaveen Singh index_to_add = i; 941dd45b759SNaveen Singh 942dd45b759SNaveen Singh for (i = 0; i < n_match_ssid; i++) { 943dd45b759SNaveen Singh ssid_found = false; 944dd45b759SNaveen Singh 945dd45b759SNaveen Singh for (j = 0; j < n_ssids; j++) { 946dd45b759SNaveen Singh if ((match_set[i].ssid.ssid_len == 947dd45b759SNaveen Singh ssid_list[j].ssid.ssid_len) && 948dd45b759SNaveen Singh (!memcmp(ssid_list[j].ssid.ssid, 949dd45b759SNaveen Singh match_set[i].ssid.ssid, 950dd45b759SNaveen Singh match_set[i].ssid.ssid_len))) { 951dd45b759SNaveen Singh ssid_list[j].flag |= MATCH_SSID_FLAG; 952dd45b759SNaveen Singh ssid_found = true; 953dd45b759SNaveen Singh break; 954dd45b759SNaveen Singh } 955dd45b759SNaveen Singh } 956dd45b759SNaveen Singh 957dd45b759SNaveen Singh if (ssid_found) 958dd45b759SNaveen Singh continue; 959dd45b759SNaveen Singh 960dd45b759SNaveen Singh if (index_to_add >= MAX_PROBED_SSIDS) 961dd45b759SNaveen Singh continue; 962dd45b759SNaveen Singh 963dd45b759SNaveen Singh ssid_list[index_to_add].ssid.ssid_len = 964dd45b759SNaveen Singh match_set[i].ssid.ssid_len; 965dd45b759SNaveen Singh memcpy(ssid_list[index_to_add].ssid.ssid, 966dd45b759SNaveen Singh match_set[i].ssid.ssid, 967dd45b759SNaveen Singh match_set[i].ssid.ssid_len); 968dd45b759SNaveen Singh ssid_list[index_to_add].flag |= MATCH_SSID_FLAG; 969dd45b759SNaveen Singh index_to_add++; 970dd45b759SNaveen Singh } 971dd45b759SNaveen Singh 972dd45b759SNaveen Singh for (i = 0; i < index_to_add; i++) { 9733b8ffc6aSJouni Malinen ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, i, 974dd45b759SNaveen Singh ssid_list[i].flag, 975dd45b759SNaveen Singh ssid_list[i].ssid.ssid_len, 976dd45b759SNaveen Singh ssid_list[i].ssid.ssid); 977dd45b759SNaveen Singh 9783b8ffc6aSJouni Malinen } 9793b8ffc6aSJouni Malinen 9803b8ffc6aSJouni Malinen /* Make sure no old entries are left behind */ 981dd45b759SNaveen Singh for (i = index_to_add; i < MAX_PROBED_SSIDS; i++) { 9823b8ffc6aSJouni Malinen ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, i, 9833b8ffc6aSJouni Malinen DISABLE_SSID_FLAG, 0, NULL); 9843b8ffc6aSJouni Malinen } 9853b8ffc6aSJouni Malinen 9863b8ffc6aSJouni Malinen return 0; 9873b8ffc6aSJouni Malinen } 9883b8ffc6aSJouni Malinen 989fd014284SJohannes Berg static int ath6kl_cfg80211_scan(struct wiphy *wiphy, 990bdcd8170SKalle Valo struct cfg80211_scan_request *request) 991bdcd8170SKalle Valo { 992fd014284SJohannes Berg struct ath6kl_vif *vif = ath6kl_vif_from_wdev(request->wdev); 993fd014284SJohannes Berg struct ath6kl *ar = ath6kl_priv(vif->ndev); 9941276c9efSEdward Lu s8 n_channels = 0; 9951276c9efSEdward Lu u16 *channels = NULL; 996bdcd8170SKalle Valo int ret = 0; 997f1f92179SVasanthakumar Thiagarajan u32 force_fg_scan = 0; 998bdcd8170SKalle Valo 999990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1000bdcd8170SKalle Valo return -EIO; 1001bdcd8170SKalle Valo 100210509f90SKalle Valo ath6kl_cfg80211_sscan_disable(vif); 100310509f90SKalle Valo 1004bdcd8170SKalle Valo if (!ar->usr_bss_filter) { 100559c98449SVasanthakumar Thiagarajan clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags); 1006954e6ce5SVasanthakumar Thiagarajan ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 1007954e6ce5SVasanthakumar Thiagarajan ALL_BSS_FILTER, 0); 10081b1e6ee3SJouni Malinen if (ret) { 1009bdcd8170SKalle Valo ath6kl_err("couldn't set bss filtering\n"); 10101b1e6ee3SJouni Malinen return ret; 1011bdcd8170SKalle Valo } 1012bdcd8170SKalle Valo } 1013bdcd8170SKalle Valo 10143b8ffc6aSJouni Malinen ret = ath6kl_set_probed_ssids(ar, vif, request->ssids, 1015dd45b759SNaveen Singh request->n_ssids, NULL, 0); 10163b8ffc6aSJouni Malinen if (ret < 0) 10173b8ffc6aSJouni Malinen return ret; 1018bdcd8170SKalle Valo 1019080eec4fSAarthi Thiruvengadam /* this also clears IE in fw if it's not set */ 1020334234b5SVasanthakumar Thiagarajan ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 1021334234b5SVasanthakumar Thiagarajan WMI_FRAME_PROBE_REQ, 1022b84da8c7SJouni Malinen request->ie, request->ie_len); 1023b84da8c7SJouni Malinen if (ret) { 1024f1ff32e8SJoe Perches ath6kl_err("failed to set Probe Request appie for scan\n"); 1025b84da8c7SJouni Malinen return ret; 1026b84da8c7SJouni Malinen } 1027b84da8c7SJouni Malinen 102811869befSJouni Malinen /* 102911869befSJouni Malinen * Scan only the requested channels if the request specifies a set of 103011869befSJouni Malinen * channels. If the list is longer than the target supports, do not 103111869befSJouni Malinen * configure the list and instead, scan all available channels. 103211869befSJouni Malinen */ 103311869befSJouni Malinen if (request->n_channels > 0 && 103411869befSJouni Malinen request->n_channels <= WMI_MAX_CHANNELS) { 10351276c9efSEdward Lu u8 i; 10361276c9efSEdward Lu 103711869befSJouni Malinen n_channels = request->n_channels; 10381276c9efSEdward Lu 10391276c9efSEdward Lu channels = kzalloc(n_channels * sizeof(u16), GFP_KERNEL); 10401276c9efSEdward Lu if (channels == NULL) { 1041cdeb8602SKalle Valo ath6kl_warn("failed to set scan channels, scan all channels"); 10421276c9efSEdward Lu n_channels = 0; 10431276c9efSEdward Lu } 10441276c9efSEdward Lu 10451276c9efSEdward Lu for (i = 0; i < n_channels; i++) 10461276c9efSEdward Lu channels[i] = request->channels[i]->center_freq; 10471276c9efSEdward Lu } 10481276c9efSEdward Lu 104959c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags)) 1050f1f92179SVasanthakumar Thiagarajan force_fg_scan = 1; 1051f1f92179SVasanthakumar Thiagarajan 10525b35dff0SRaja Mani vif->scan_req = request; 10535b35dff0SRaja Mani 10543ca9d1fcSAarthi Thiruvengadam ret = ath6kl_wmi_beginscan_cmd(ar->wmi, vif->fw_vif_idx, 10553ca9d1fcSAarthi Thiruvengadam WMI_LONG_SCAN, force_fg_scan, 105613423c31SVasanthakumar Thiagarajan false, 0, 105713423c31SVasanthakumar Thiagarajan ATH6KL_FG_SCAN_INTERVAL, 105813423c31SVasanthakumar Thiagarajan n_channels, channels, 105913423c31SVasanthakumar Thiagarajan request->no_cck, 10603ca9d1fcSAarthi Thiruvengadam request->rates); 10615b35dff0SRaja Mani if (ret) { 106211f0bfcfSKalle Valo ath6kl_err("failed to start scan: %d\n", ret); 10635b35dff0SRaja Mani vif->scan_req = NULL; 10645b35dff0SRaja Mani } 1065bdcd8170SKalle Valo 10661276c9efSEdward Lu kfree(channels); 10671276c9efSEdward Lu 1068bdcd8170SKalle Valo return ret; 1069bdcd8170SKalle Valo } 1070bdcd8170SKalle Valo 10711c17d313SKalle Valo void ath6kl_cfg80211_scan_complete_event(struct ath6kl_vif *vif, bool aborted) 1072bdcd8170SKalle Valo { 1073240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 10746fd1eaceSKalle Valo int i; 1075bdcd8170SKalle Valo 10761c17d313SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: status%s\n", __func__, 10771c17d313SKalle Valo aborted ? " aborted" : ""); 1078bdcd8170SKalle Valo 107914ee6f6bSVasanthakumar Thiagarajan if (!vif->scan_req) 10806fd1eaceSKalle Valo return; 10816fd1eaceSKalle Valo 10821c17d313SKalle Valo if (aborted) 10836fd1eaceSKalle Valo goto out; 1084bdcd8170SKalle Valo 108514ee6f6bSVasanthakumar Thiagarajan if (vif->scan_req->n_ssids && vif->scan_req->ssids[0].ssid_len) { 108614ee6f6bSVasanthakumar Thiagarajan for (i = 0; i < vif->scan_req->n_ssids; i++) { 1087334234b5SVasanthakumar Thiagarajan ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, 1088334234b5SVasanthakumar Thiagarajan i + 1, DISABLE_SSID_FLAG, 1089bdcd8170SKalle Valo 0, NULL); 1090bdcd8170SKalle Valo } 1091bdcd8170SKalle Valo } 10926fd1eaceSKalle Valo 10936fd1eaceSKalle Valo out: 1094cb93821aSKalle Valo cfg80211_scan_done(vif->scan_req, aborted); 109514ee6f6bSVasanthakumar Thiagarajan vif->scan_req = NULL; 1096bdcd8170SKalle Valo } 1097bdcd8170SKalle Valo 1098c4f7863eSThomas Pedersen void ath6kl_cfg80211_ch_switch_notify(struct ath6kl_vif *vif, int freq, 1099c4f7863eSThomas Pedersen enum wmi_phy_mode mode) 1100c4f7863eSThomas Pedersen { 1101683b6d3bSJohannes Berg struct cfg80211_chan_def chandef; 1102c4f7863eSThomas Pedersen 1103c4f7863eSThomas Pedersen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1104c4f7863eSThomas Pedersen "channel switch notify nw_type %d freq %d mode %d\n", 1105c4f7863eSThomas Pedersen vif->nw_type, freq, mode); 1106c4f7863eSThomas Pedersen 11073d9d1d66SJohannes Berg cfg80211_chandef_create(&chandef, 11083d9d1d66SJohannes Berg ieee80211_get_channel(vif->ar->wiphy, freq), 11093d9d1d66SJohannes Berg (mode == WMI_11G_HT20) ? 11103d9d1d66SJohannes Berg NL80211_CHAN_HT20 : NL80211_CHAN_NO_HT); 1111c4f7863eSThomas Pedersen 1112e487eaebSSimon Wunderlich mutex_lock(&vif->wdev.mtx); 1113683b6d3bSJohannes Berg cfg80211_ch_switch_notify(vif->ndev, &chandef); 1114e487eaebSSimon Wunderlich mutex_unlock(&vif->wdev.mtx); 1115c4f7863eSThomas Pedersen } 1116c4f7863eSThomas Pedersen 1117bdcd8170SKalle Valo static int ath6kl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev, 1118bdcd8170SKalle Valo u8 key_index, bool pairwise, 1119bdcd8170SKalle Valo const u8 *mac_addr, 1120bdcd8170SKalle Valo struct key_params *params) 1121bdcd8170SKalle Valo { 1122d6d5c06cSKalle Valo struct ath6kl *ar = ath6kl_priv(ndev); 112359c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 1124bdcd8170SKalle Valo struct ath6kl_key *key = NULL; 11254a8ce2fdSSujith Manoharan int seq_len; 1126bdcd8170SKalle Valo u8 key_usage; 1127bdcd8170SKalle Valo u8 key_type; 1128bdcd8170SKalle Valo 1129990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1130bdcd8170SKalle Valo return -EIO; 1131bdcd8170SKalle Valo 1132837cb97eSJouni Malinen if (params->cipher == CCKM_KRK_CIPHER_SUITE) { 1133837cb97eSJouni Malinen if (params->key_len != WMI_KRK_LEN) 1134837cb97eSJouni Malinen return -EINVAL; 1135240d2799SVasanthakumar Thiagarajan return ath6kl_wmi_add_krk_cmd(ar->wmi, vif->fw_vif_idx, 1136240d2799SVasanthakumar Thiagarajan params->key); 1137837cb97eSJouni Malinen } 1138837cb97eSJouni Malinen 1139792ecb33SVivek Natarajan if (key_index > WMI_MAX_KEY_INDEX) { 1140bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1141bdcd8170SKalle Valo "%s: key index %d out of bounds\n", __func__, 1142bdcd8170SKalle Valo key_index); 1143bdcd8170SKalle Valo return -ENOENT; 1144bdcd8170SKalle Valo } 1145bdcd8170SKalle Valo 11466f2a73f9SVasanthakumar Thiagarajan key = &vif->keys[key_index]; 1147bdcd8170SKalle Valo memset(key, 0, sizeof(struct ath6kl_key)); 1148bdcd8170SKalle Valo 1149bdcd8170SKalle Valo if (pairwise) 1150bdcd8170SKalle Valo key_usage = PAIRWISE_USAGE; 1151bdcd8170SKalle Valo else 1152bdcd8170SKalle Valo key_usage = GROUP_USAGE; 1153bdcd8170SKalle Valo 11544a8ce2fdSSujith Manoharan seq_len = params->seq_len; 11555e07021eSDai Shuibing if (params->cipher == WLAN_CIPHER_SUITE_SMS4 && 11565e07021eSDai Shuibing seq_len > ATH6KL_KEY_SEQ_LEN) { 11575e07021eSDai Shuibing /* Only first half of the WPI PN is configured */ 11585e07021eSDai Shuibing seq_len = ATH6KL_KEY_SEQ_LEN; 11595e07021eSDai Shuibing } 1160bdcd8170SKalle Valo if (params->key_len > WLAN_MAX_KEY_LEN || 11615e07021eSDai Shuibing seq_len > sizeof(key->seq)) 1162bdcd8170SKalle Valo return -EINVAL; 1163bdcd8170SKalle Valo 1164bdcd8170SKalle Valo key->key_len = params->key_len; 1165bdcd8170SKalle Valo memcpy(key->key, params->key, key->key_len); 11665e07021eSDai Shuibing key->seq_len = seq_len; 1167bdcd8170SKalle Valo memcpy(key->seq, params->seq, key->seq_len); 1168bdcd8170SKalle Valo key->cipher = params->cipher; 1169bdcd8170SKalle Valo 1170bdcd8170SKalle Valo switch (key->cipher) { 1171bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_WEP40: 1172bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_WEP104: 1173bdcd8170SKalle Valo key_type = WEP_CRYPT; 1174bdcd8170SKalle Valo break; 1175bdcd8170SKalle Valo 1176bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_TKIP: 1177bdcd8170SKalle Valo key_type = TKIP_CRYPT; 1178bdcd8170SKalle Valo break; 1179bdcd8170SKalle Valo 1180bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_CCMP: 1181bdcd8170SKalle Valo key_type = AES_CRYPT; 1182bdcd8170SKalle Valo break; 11835e07021eSDai Shuibing case WLAN_CIPHER_SUITE_SMS4: 11845e07021eSDai Shuibing key_type = WAPI_CRYPT; 11855e07021eSDai Shuibing break; 1186bdcd8170SKalle Valo 1187bdcd8170SKalle Valo default: 1188bdcd8170SKalle Valo return -ENOTSUPP; 1189bdcd8170SKalle Valo } 1190bdcd8170SKalle Valo 1191ddc3d77cSKalle Valo if (((vif->auth_mode == WPA_PSK_AUTH) || 1192ddc3d77cSKalle Valo (vif->auth_mode == WPA2_PSK_AUTH)) && 1193ddc3d77cSKalle Valo (key_usage & GROUP_USAGE)) 1194de3ad713SVasanthakumar Thiagarajan del_timer(&vif->disconnect_timer); 1195bdcd8170SKalle Valo 1196bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1197bdcd8170SKalle Valo "%s: index %d, key_len %d, key_type 0x%x, key_usage 0x%x, seq_len %d\n", 1198bdcd8170SKalle Valo __func__, key_index, key->key_len, key_type, 1199bdcd8170SKalle Valo key_usage, key->seq_len); 1200bdcd8170SKalle Valo 1201f5938f24SVasanthakumar Thiagarajan if (vif->nw_type == AP_NETWORK && !pairwise && 12024703290aSJouni Malinen (key_type == TKIP_CRYPT || key_type == AES_CRYPT || 1203cc4d623dSVasanthakumar Thiagarajan key_type == WAPI_CRYPT)) { 12049a5b1318SJouni Malinen ar->ap_mode_bkey.valid = true; 12059a5b1318SJouni Malinen ar->ap_mode_bkey.key_index = key_index; 12069a5b1318SJouni Malinen ar->ap_mode_bkey.key_type = key_type; 12079a5b1318SJouni Malinen ar->ap_mode_bkey.key_len = key->key_len; 12089a5b1318SJouni Malinen memcpy(ar->ap_mode_bkey.key, key->key, key->key_len); 120959c98449SVasanthakumar Thiagarajan if (!test_bit(CONNECTED, &vif->flags)) { 1210cdeb8602SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1211cdeb8602SKalle Valo "Delay initial group key configuration until AP mode has been started\n"); 12129a5b1318SJouni Malinen /* 12139a5b1318SJouni Malinen * The key will be set in ath6kl_connect_ap_mode() once 12149a5b1318SJouni Malinen * the connected event is received from the target. 12159a5b1318SJouni Malinen */ 12169a5b1318SJouni Malinen return 0; 12179a5b1318SJouni Malinen } 12189a5b1318SJouni Malinen } 12199a5b1318SJouni Malinen 1220f5938f24SVasanthakumar Thiagarajan if (vif->next_mode == AP_NETWORK && key_type == WEP_CRYPT && 122159c98449SVasanthakumar Thiagarajan !test_bit(CONNECTED, &vif->flags)) { 1222151411e8SJouni Malinen /* 1223151411e8SJouni Malinen * Store the key locally so that it can be re-configured after 1224151411e8SJouni Malinen * the AP mode has properly started 1225151411e8SJouni Malinen * (ath6kl_install_statioc_wep_keys). 1226151411e8SJouni Malinen */ 1227cdeb8602SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1228cdeb8602SKalle Valo "Delay WEP key configuration until AP mode has been started\n"); 12296f2a73f9SVasanthakumar Thiagarajan vif->wep_key_list[key_index].key_len = key->key_len; 12306f2a73f9SVasanthakumar Thiagarajan memcpy(vif->wep_key_list[key_index].key, key->key, 12316f2a73f9SVasanthakumar Thiagarajan key->key_len); 1232151411e8SJouni Malinen return 0; 1233151411e8SJouni Malinen } 1234151411e8SJouni Malinen 12357cefa44fSVasanthakumar Thiagarajan return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, key_index, 1236bdcd8170SKalle Valo key_type, key_usage, key->key_len, 1237f4bb9a6fSJouni Malinen key->seq, key->seq_len, key->key, 1238f4bb9a6fSJouni Malinen KEY_OP_INIT_VAL, 1239bdcd8170SKalle Valo (u8 *) mac_addr, SYNC_BOTH_WMIFLAG); 1240bdcd8170SKalle Valo } 1241bdcd8170SKalle Valo 1242bdcd8170SKalle Valo static int ath6kl_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev, 1243bdcd8170SKalle Valo u8 key_index, bool pairwise, 1244bdcd8170SKalle Valo const u8 *mac_addr) 1245bdcd8170SKalle Valo { 1246d6d5c06cSKalle Valo struct ath6kl *ar = ath6kl_priv(ndev); 12476f2a73f9SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 1248bdcd8170SKalle Valo 1249bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index); 1250bdcd8170SKalle Valo 1251990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1252bdcd8170SKalle Valo return -EIO; 1253bdcd8170SKalle Valo 1254792ecb33SVivek Natarajan if (key_index > WMI_MAX_KEY_INDEX) { 1255bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1256bdcd8170SKalle Valo "%s: key index %d out of bounds\n", __func__, 1257bdcd8170SKalle Valo key_index); 1258bdcd8170SKalle Valo return -ENOENT; 1259bdcd8170SKalle Valo } 1260bdcd8170SKalle Valo 12616f2a73f9SVasanthakumar Thiagarajan if (!vif->keys[key_index].key_len) { 1262bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1263bdcd8170SKalle Valo "%s: index %d is empty\n", __func__, key_index); 1264bdcd8170SKalle Valo return 0; 1265bdcd8170SKalle Valo } 1266bdcd8170SKalle Valo 12676f2a73f9SVasanthakumar Thiagarajan vif->keys[key_index].key_len = 0; 1268bdcd8170SKalle Valo 1269334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_deletekey_cmd(ar->wmi, vif->fw_vif_idx, key_index); 1270bdcd8170SKalle Valo } 1271bdcd8170SKalle Valo 1272bdcd8170SKalle Valo static int ath6kl_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev, 1273bdcd8170SKalle Valo u8 key_index, bool pairwise, 1274bdcd8170SKalle Valo const u8 *mac_addr, void *cookie, 1275bdcd8170SKalle Valo void (*callback) (void *cookie, 1276bdcd8170SKalle Valo struct key_params *)) 1277bdcd8170SKalle Valo { 12786f2a73f9SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 1279bdcd8170SKalle Valo struct ath6kl_key *key = NULL; 1280bdcd8170SKalle Valo struct key_params params; 1281bdcd8170SKalle Valo 1282bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index); 1283bdcd8170SKalle Valo 1284990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1285bdcd8170SKalle Valo return -EIO; 1286bdcd8170SKalle Valo 1287792ecb33SVivek Natarajan if (key_index > WMI_MAX_KEY_INDEX) { 1288bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1289bdcd8170SKalle Valo "%s: key index %d out of bounds\n", __func__, 1290bdcd8170SKalle Valo key_index); 1291bdcd8170SKalle Valo return -ENOENT; 1292bdcd8170SKalle Valo } 1293bdcd8170SKalle Valo 12946f2a73f9SVasanthakumar Thiagarajan key = &vif->keys[key_index]; 1295bdcd8170SKalle Valo memset(¶ms, 0, sizeof(params)); 1296bdcd8170SKalle Valo params.cipher = key->cipher; 1297bdcd8170SKalle Valo params.key_len = key->key_len; 1298bdcd8170SKalle Valo params.seq_len = key->seq_len; 1299bdcd8170SKalle Valo params.seq = key->seq; 1300bdcd8170SKalle Valo params.key = key->key; 1301bdcd8170SKalle Valo 1302bdcd8170SKalle Valo callback(cookie, ¶ms); 1303bdcd8170SKalle Valo 1304bdcd8170SKalle Valo return key->key_len ? 0 : -ENOENT; 1305bdcd8170SKalle Valo } 1306bdcd8170SKalle Valo 1307bdcd8170SKalle Valo static int ath6kl_cfg80211_set_default_key(struct wiphy *wiphy, 1308bdcd8170SKalle Valo struct net_device *ndev, 1309bdcd8170SKalle Valo u8 key_index, bool unicast, 1310bdcd8170SKalle Valo bool multicast) 1311bdcd8170SKalle Valo { 1312d6d5c06cSKalle Valo struct ath6kl *ar = ath6kl_priv(ndev); 131359c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 1314bdcd8170SKalle Valo struct ath6kl_key *key = NULL; 1315bdcd8170SKalle Valo u8 key_usage; 1316229ed6b5SEdward Lu enum crypto_type key_type = NONE_CRYPT; 1317bdcd8170SKalle Valo 1318bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index); 1319bdcd8170SKalle Valo 1320990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1321bdcd8170SKalle Valo return -EIO; 1322bdcd8170SKalle Valo 1323792ecb33SVivek Natarajan if (key_index > WMI_MAX_KEY_INDEX) { 1324bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1325bdcd8170SKalle Valo "%s: key index %d out of bounds\n", 1326bdcd8170SKalle Valo __func__, key_index); 1327bdcd8170SKalle Valo return -ENOENT; 1328bdcd8170SKalle Valo } 1329bdcd8170SKalle Valo 13306f2a73f9SVasanthakumar Thiagarajan if (!vif->keys[key_index].key_len) { 1331bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: invalid key index %d\n", 1332bdcd8170SKalle Valo __func__, key_index); 1333bdcd8170SKalle Valo return -EINVAL; 1334bdcd8170SKalle Valo } 1335bdcd8170SKalle Valo 13363450334fSVasanthakumar Thiagarajan vif->def_txkey_index = key_index; 13376f2a73f9SVasanthakumar Thiagarajan key = &vif->keys[vif->def_txkey_index]; 1338bdcd8170SKalle Valo key_usage = GROUP_USAGE; 13393450334fSVasanthakumar Thiagarajan if (vif->prwise_crypto == WEP_CRYPT) 1340bdcd8170SKalle Valo key_usage |= TX_USAGE; 1341229ed6b5SEdward Lu if (unicast) 13423450334fSVasanthakumar Thiagarajan key_type = vif->prwise_crypto; 1343229ed6b5SEdward Lu if (multicast) 13443450334fSVasanthakumar Thiagarajan key_type = vif->grp_crypto; 1345bdcd8170SKalle Valo 1346f5938f24SVasanthakumar Thiagarajan if (vif->next_mode == AP_NETWORK && !test_bit(CONNECTED, &vif->flags)) 13479a5b1318SJouni Malinen return 0; /* Delay until AP mode has been started */ 13489a5b1318SJouni Malinen 1349f3e61eceSJouni Malinen return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, 1350334234b5SVasanthakumar Thiagarajan vif->def_txkey_index, 1351229ed6b5SEdward Lu key_type, key_usage, 1352f4bb9a6fSJouni Malinen key->key_len, key->seq, key->seq_len, 1353f4bb9a6fSJouni Malinen key->key, 1354bdcd8170SKalle Valo KEY_OP_INIT_VAL, NULL, 1355bdcd8170SKalle Valo SYNC_BOTH_WMIFLAG); 1356bdcd8170SKalle Valo } 1357bdcd8170SKalle Valo 1358240d2799SVasanthakumar Thiagarajan void ath6kl_cfg80211_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid, 1359bdcd8170SKalle Valo bool ismcast) 1360bdcd8170SKalle Valo { 1361bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1362bdcd8170SKalle Valo "%s: keyid %d, ismcast %d\n", __func__, keyid, ismcast); 1363bdcd8170SKalle Valo 1364240d2799SVasanthakumar Thiagarajan cfg80211_michael_mic_failure(vif->ndev, vif->bssid, 1365bdcd8170SKalle Valo (ismcast ? NL80211_KEYTYPE_GROUP : 1366bdcd8170SKalle Valo NL80211_KEYTYPE_PAIRWISE), keyid, NULL, 1367bdcd8170SKalle Valo GFP_KERNEL); 1368bdcd8170SKalle Valo } 1369bdcd8170SKalle Valo 1370bdcd8170SKalle Valo static int ath6kl_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) 1371bdcd8170SKalle Valo { 1372bdcd8170SKalle Valo struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy); 1373990bd915SVasanthakumar Thiagarajan struct ath6kl_vif *vif; 1374bdcd8170SKalle Valo int ret; 1375bdcd8170SKalle Valo 1376bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: changed 0x%x\n", __func__, 1377bdcd8170SKalle Valo changed); 1378bdcd8170SKalle Valo 1379990bd915SVasanthakumar Thiagarajan vif = ath6kl_vif_first(ar); 1380990bd915SVasanthakumar Thiagarajan if (!vif) 1381990bd915SVasanthakumar Thiagarajan return -EIO; 1382990bd915SVasanthakumar Thiagarajan 1383990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1384bdcd8170SKalle Valo return -EIO; 1385bdcd8170SKalle Valo 1386bdcd8170SKalle Valo if (changed & WIPHY_PARAM_RTS_THRESHOLD) { 1387bdcd8170SKalle Valo ret = ath6kl_wmi_set_rts_cmd(ar->wmi, wiphy->rts_threshold); 1388bdcd8170SKalle Valo if (ret != 0) { 1389bdcd8170SKalle Valo ath6kl_err("ath6kl_wmi_set_rts_cmd failed\n"); 1390bdcd8170SKalle Valo return -EIO; 1391bdcd8170SKalle Valo } 1392bdcd8170SKalle Valo } 1393bdcd8170SKalle Valo 1394bdcd8170SKalle Valo return 0; 1395bdcd8170SKalle Valo } 1396bdcd8170SKalle Valo 1397bdcd8170SKalle Valo static int ath6kl_cfg80211_set_txpower(struct wiphy *wiphy, 1398c8442118SJohannes Berg struct wireless_dev *wdev, 1399bdcd8170SKalle Valo enum nl80211_tx_power_setting type, 1400b992a285SLuis R. Rodriguez int mbm) 1401bdcd8170SKalle Valo { 1402bdcd8170SKalle Valo struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy); 1403990bd915SVasanthakumar Thiagarajan struct ath6kl_vif *vif; 1404b992a285SLuis R. Rodriguez int dbm = MBM_TO_DBM(mbm); 1405bdcd8170SKalle Valo 1406bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x, dbm %d\n", __func__, 1407bdcd8170SKalle Valo type, dbm); 1408bdcd8170SKalle Valo 1409990bd915SVasanthakumar Thiagarajan vif = ath6kl_vif_first(ar); 1410990bd915SVasanthakumar Thiagarajan if (!vif) 1411990bd915SVasanthakumar Thiagarajan return -EIO; 1412990bd915SVasanthakumar Thiagarajan 1413990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1414bdcd8170SKalle Valo return -EIO; 1415bdcd8170SKalle Valo 1416bdcd8170SKalle Valo switch (type) { 1417bdcd8170SKalle Valo case NL80211_TX_POWER_AUTOMATIC: 1418bdcd8170SKalle Valo return 0; 1419bdcd8170SKalle Valo case NL80211_TX_POWER_LIMITED: 1420d0d670abSKalle Valo ar->tx_pwr = dbm; 1421bdcd8170SKalle Valo break; 1422bdcd8170SKalle Valo default: 1423bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x not supported\n", 1424bdcd8170SKalle Valo __func__, type); 1425bdcd8170SKalle Valo return -EOPNOTSUPP; 1426bdcd8170SKalle Valo } 1427bdcd8170SKalle Valo 1428d0d670abSKalle Valo ath6kl_wmi_set_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx, dbm); 1429bdcd8170SKalle Valo 1430bdcd8170SKalle Valo return 0; 1431bdcd8170SKalle Valo } 1432bdcd8170SKalle Valo 1433c8442118SJohannes Berg static int ath6kl_cfg80211_get_txpower(struct wiphy *wiphy, 1434c8442118SJohannes Berg struct wireless_dev *wdev, 1435c8442118SJohannes Berg int *dbm) 1436bdcd8170SKalle Valo { 1437bdcd8170SKalle Valo struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy); 1438990bd915SVasanthakumar Thiagarajan struct ath6kl_vif *vif; 1439bdcd8170SKalle Valo 1440990bd915SVasanthakumar Thiagarajan vif = ath6kl_vif_first(ar); 1441990bd915SVasanthakumar Thiagarajan if (!vif) 1442990bd915SVasanthakumar Thiagarajan return -EIO; 1443990bd915SVasanthakumar Thiagarajan 1444990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1445bdcd8170SKalle Valo return -EIO; 1446bdcd8170SKalle Valo 144759c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags)) { 1448bdcd8170SKalle Valo ar->tx_pwr = 0; 1449bdcd8170SKalle Valo 1450990bd915SVasanthakumar Thiagarajan if (ath6kl_wmi_get_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx) != 0) { 1451bdcd8170SKalle Valo ath6kl_err("ath6kl_wmi_get_tx_pwr_cmd failed\n"); 1452bdcd8170SKalle Valo return -EIO; 1453bdcd8170SKalle Valo } 1454bdcd8170SKalle Valo 1455bdcd8170SKalle Valo wait_event_interruptible_timeout(ar->event_wq, ar->tx_pwr != 0, 1456bdcd8170SKalle Valo 5 * HZ); 1457bdcd8170SKalle Valo 1458bdcd8170SKalle Valo if (signal_pending(current)) { 1459bdcd8170SKalle Valo ath6kl_err("target did not respond\n"); 1460bdcd8170SKalle Valo return -EINTR; 1461bdcd8170SKalle Valo } 1462bdcd8170SKalle Valo } 1463bdcd8170SKalle Valo 1464bdcd8170SKalle Valo *dbm = ar->tx_pwr; 1465bdcd8170SKalle Valo return 0; 1466bdcd8170SKalle Valo } 1467bdcd8170SKalle Valo 1468bdcd8170SKalle Valo static int ath6kl_cfg80211_set_power_mgmt(struct wiphy *wiphy, 1469bdcd8170SKalle Valo struct net_device *dev, 1470bdcd8170SKalle Valo bool pmgmt, int timeout) 1471bdcd8170SKalle Valo { 1472bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 1473bdcd8170SKalle Valo struct wmi_power_mode_cmd mode; 1474334234b5SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1475bdcd8170SKalle Valo 1476bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: pmgmt %d, timeout %d\n", 1477bdcd8170SKalle Valo __func__, pmgmt, timeout); 1478bdcd8170SKalle Valo 1479990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1480bdcd8170SKalle Valo return -EIO; 1481bdcd8170SKalle Valo 1482bdcd8170SKalle Valo if (pmgmt) { 1483f0ed67ecSMohammed Shafi Shajakhan ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: rec power\n", __func__); 1484bdcd8170SKalle Valo mode.pwr_mode = REC_POWER; 1485bdcd8170SKalle Valo } else { 1486f0ed67ecSMohammed Shafi Shajakhan ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: max perf\n", __func__); 1487bdcd8170SKalle Valo mode.pwr_mode = MAX_PERF_POWER; 1488bdcd8170SKalle Valo } 1489bdcd8170SKalle Valo 1490334234b5SVasanthakumar Thiagarajan if (ath6kl_wmi_powermode_cmd(ar->wmi, vif->fw_vif_idx, 1491334234b5SVasanthakumar Thiagarajan mode.pwr_mode) != 0) { 1492bdcd8170SKalle Valo ath6kl_err("wmi_powermode_cmd failed\n"); 1493bdcd8170SKalle Valo return -EIO; 1494bdcd8170SKalle Valo } 1495bdcd8170SKalle Valo 1496bdcd8170SKalle Valo return 0; 1497bdcd8170SKalle Valo } 1498bdcd8170SKalle Valo 149984efbb84SJohannes Berg static struct wireless_dev *ath6kl_cfg80211_add_iface(struct wiphy *wiphy, 1500552bff0cSJohannes Berg const char *name, 150155055976SVasanthakumar Thiagarajan enum nl80211_iftype type, 150255055976SVasanthakumar Thiagarajan u32 *flags, 150355055976SVasanthakumar Thiagarajan struct vif_params *params) 150455055976SVasanthakumar Thiagarajan { 150555055976SVasanthakumar Thiagarajan struct ath6kl *ar = wiphy_priv(wiphy); 150684efbb84SJohannes Berg struct wireless_dev *wdev; 150755055976SVasanthakumar Thiagarajan u8 if_idx, nw_type; 150855055976SVasanthakumar Thiagarajan 150971f96ee6SKalle Valo if (ar->num_vif == ar->vif_max) { 151055055976SVasanthakumar Thiagarajan ath6kl_err("Reached maximum number of supported vif\n"); 151155055976SVasanthakumar Thiagarajan return ERR_PTR(-EINVAL); 151255055976SVasanthakumar Thiagarajan } 151355055976SVasanthakumar Thiagarajan 151455055976SVasanthakumar Thiagarajan if (!ath6kl_is_valid_iftype(ar, type, &if_idx, &nw_type)) { 151555055976SVasanthakumar Thiagarajan ath6kl_err("Not a supported interface type\n"); 151655055976SVasanthakumar Thiagarajan return ERR_PTR(-EINVAL); 151755055976SVasanthakumar Thiagarajan } 151855055976SVasanthakumar Thiagarajan 151984efbb84SJohannes Berg wdev = ath6kl_interface_add(ar, name, type, if_idx, nw_type); 152084efbb84SJohannes Berg if (!wdev) 152155055976SVasanthakumar Thiagarajan return ERR_PTR(-ENOMEM); 152255055976SVasanthakumar Thiagarajan 152355055976SVasanthakumar Thiagarajan ar->num_vif++; 152455055976SVasanthakumar Thiagarajan 152584efbb84SJohannes Berg return wdev; 152655055976SVasanthakumar Thiagarajan } 152755055976SVasanthakumar Thiagarajan 152855055976SVasanthakumar Thiagarajan static int ath6kl_cfg80211_del_iface(struct wiphy *wiphy, 152984efbb84SJohannes Berg struct wireless_dev *wdev) 153055055976SVasanthakumar Thiagarajan { 153155055976SVasanthakumar Thiagarajan struct ath6kl *ar = wiphy_priv(wiphy); 153284efbb84SJohannes Berg struct ath6kl_vif *vif = netdev_priv(wdev->netdev); 153355055976SVasanthakumar Thiagarajan 153411f6e40dSVasanthakumar Thiagarajan spin_lock_bh(&ar->list_lock); 153555055976SVasanthakumar Thiagarajan list_del(&vif->list); 153611f6e40dSVasanthakumar Thiagarajan spin_unlock_bh(&ar->list_lock); 153755055976SVasanthakumar Thiagarajan 1538355b3a98SMohammed Shafi Shajakhan ath6kl_cfg80211_vif_stop(vif, test_bit(WMI_READY, &ar->flag)); 153955055976SVasanthakumar Thiagarajan 1540bc52aab3SMohammed Shafi Shajakhan rtnl_lock(); 1541c25889e8SKalle Valo ath6kl_cfg80211_vif_cleanup(vif); 1542bc52aab3SMohammed Shafi Shajakhan rtnl_unlock(); 154355055976SVasanthakumar Thiagarajan 154455055976SVasanthakumar Thiagarajan return 0; 154555055976SVasanthakumar Thiagarajan } 154655055976SVasanthakumar Thiagarajan 1547bdcd8170SKalle Valo static int ath6kl_cfg80211_change_iface(struct wiphy *wiphy, 1548bdcd8170SKalle Valo struct net_device *ndev, 1549bdcd8170SKalle Valo enum nl80211_iftype type, u32 *flags, 1550bdcd8170SKalle Valo struct vif_params *params) 1551bdcd8170SKalle Valo { 1552f5938f24SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 15531e8d13b0SVasanthakumar Thiagarajan int i; 1554bdcd8170SKalle Valo 1555bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type %u\n", __func__, type); 1556bdcd8170SKalle Valo 15571e8d13b0SVasanthakumar Thiagarajan /* 15581e8d13b0SVasanthakumar Thiagarajan * Don't bring up p2p on an interface which is not initialized 15591e8d13b0SVasanthakumar Thiagarajan * for p2p operation where fw does not have capability to switch 15601e8d13b0SVasanthakumar Thiagarajan * dynamically between non-p2p and p2p type interface. 15611e8d13b0SVasanthakumar Thiagarajan */ 15621e8d13b0SVasanthakumar Thiagarajan if (!test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX, 15631e8d13b0SVasanthakumar Thiagarajan vif->ar->fw_capabilities) && 15641e8d13b0SVasanthakumar Thiagarajan (type == NL80211_IFTYPE_P2P_CLIENT || 15651e8d13b0SVasanthakumar Thiagarajan type == NL80211_IFTYPE_P2P_GO)) { 15661e8d13b0SVasanthakumar Thiagarajan if (vif->ar->vif_max == 1) { 15671e8d13b0SVasanthakumar Thiagarajan if (vif->fw_vif_idx != 0) 15681e8d13b0SVasanthakumar Thiagarajan return -EINVAL; 15691e8d13b0SVasanthakumar Thiagarajan else 15701e8d13b0SVasanthakumar Thiagarajan goto set_iface_type; 15711e8d13b0SVasanthakumar Thiagarajan } 15721e8d13b0SVasanthakumar Thiagarajan 15731e8d13b0SVasanthakumar Thiagarajan for (i = vif->ar->max_norm_iface; i < vif->ar->vif_max; i++) { 15741e8d13b0SVasanthakumar Thiagarajan if (i == vif->fw_vif_idx) 15751e8d13b0SVasanthakumar Thiagarajan break; 15761e8d13b0SVasanthakumar Thiagarajan } 15771e8d13b0SVasanthakumar Thiagarajan 15781e8d13b0SVasanthakumar Thiagarajan if (i == vif->ar->vif_max) { 15791e8d13b0SVasanthakumar Thiagarajan ath6kl_err("Invalid interface to bring up P2P\n"); 15801e8d13b0SVasanthakumar Thiagarajan return -EINVAL; 15811e8d13b0SVasanthakumar Thiagarajan } 15821e8d13b0SVasanthakumar Thiagarajan } 15831e8d13b0SVasanthakumar Thiagarajan 1584c422d52dSThomas Pedersen /* need to clean up enhanced bmiss detection fw state */ 1585c422d52dSThomas Pedersen ath6kl_cfg80211_sta_bmiss_enhance(vif, false); 1586c422d52dSThomas Pedersen 15871e8d13b0SVasanthakumar Thiagarajan set_iface_type: 1588bdcd8170SKalle Valo switch (type) { 1589bdcd8170SKalle Valo case NL80211_IFTYPE_STATION: 15908aa659d2SMohammed Shafi Shajakhan case NL80211_IFTYPE_P2P_CLIENT: 1591f5938f24SVasanthakumar Thiagarajan vif->next_mode = INFRA_NETWORK; 1592bdcd8170SKalle Valo break; 1593bdcd8170SKalle Valo case NL80211_IFTYPE_ADHOC: 1594f5938f24SVasanthakumar Thiagarajan vif->next_mode = ADHOC_NETWORK; 1595bdcd8170SKalle Valo break; 15966e4604c8SJouni Malinen case NL80211_IFTYPE_AP: 15976b5e5d25SJouni Malinen case NL80211_IFTYPE_P2P_GO: 1598f5938f24SVasanthakumar Thiagarajan vif->next_mode = AP_NETWORK; 15996b5e5d25SJouni Malinen break; 1600bdcd8170SKalle Valo default: 1601bdcd8170SKalle Valo ath6kl_err("invalid interface type %u\n", type); 1602bdcd8170SKalle Valo return -EOPNOTSUPP; 1603bdcd8170SKalle Valo } 1604bdcd8170SKalle Valo 1605551959d8SVasanthakumar Thiagarajan vif->wdev.iftype = type; 1606bdcd8170SKalle Valo 1607bdcd8170SKalle Valo return 0; 1608bdcd8170SKalle Valo } 1609bdcd8170SKalle Valo 1610bdcd8170SKalle Valo static int ath6kl_cfg80211_join_ibss(struct wiphy *wiphy, 1611bdcd8170SKalle Valo struct net_device *dev, 1612bdcd8170SKalle Valo struct cfg80211_ibss_params *ibss_param) 1613bdcd8170SKalle Valo { 1614bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 161559c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1616bdcd8170SKalle Valo int status; 1617bdcd8170SKalle Valo 1618990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1619bdcd8170SKalle Valo return -EIO; 1620bdcd8170SKalle Valo 16213450334fSVasanthakumar Thiagarajan vif->ssid_len = ibss_param->ssid_len; 16223450334fSVasanthakumar Thiagarajan memcpy(vif->ssid, ibss_param->ssid, vif->ssid_len); 1623bdcd8170SKalle Valo 1624683b6d3bSJohannes Berg if (ibss_param->chandef.chan) 1625683b6d3bSJohannes Berg vif->ch_hint = ibss_param->chandef.chan->center_freq; 1626bdcd8170SKalle Valo 1627bdcd8170SKalle Valo if (ibss_param->channel_fixed) { 1628bdcd8170SKalle Valo /* 1629bdcd8170SKalle Valo * TODO: channel_fixed: The channel should be fixed, do not 1630bdcd8170SKalle Valo * search for IBSSs to join on other channels. Target 1631bdcd8170SKalle Valo * firmware does not support this feature, needs to be 1632bdcd8170SKalle Valo * updated. 1633bdcd8170SKalle Valo */ 1634bdcd8170SKalle Valo return -EOPNOTSUPP; 1635bdcd8170SKalle Valo } 1636bdcd8170SKalle Valo 16378c8b65e3SVasanthakumar Thiagarajan memset(vif->req_bssid, 0, sizeof(vif->req_bssid)); 1638bdcd8170SKalle Valo if (ibss_param->bssid && !is_broadcast_ether_addr(ibss_param->bssid)) 16398c8b65e3SVasanthakumar Thiagarajan memcpy(vif->req_bssid, ibss_param->bssid, 16408c8b65e3SVasanthakumar Thiagarajan sizeof(vif->req_bssid)); 1641bdcd8170SKalle Valo 1642240d2799SVasanthakumar Thiagarajan ath6kl_set_wpa_version(vif, 0); 1643bdcd8170SKalle Valo 1644240d2799SVasanthakumar Thiagarajan status = ath6kl_set_auth_type(vif, NL80211_AUTHTYPE_OPEN_SYSTEM); 1645bdcd8170SKalle Valo if (status) 1646bdcd8170SKalle Valo return status; 1647bdcd8170SKalle Valo 1648bdcd8170SKalle Valo if (ibss_param->privacy) { 1649240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, true); 1650240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, false); 1651bdcd8170SKalle Valo } else { 1652240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, 0, true); 1653240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, 0, false); 1654bdcd8170SKalle Valo } 1655bdcd8170SKalle Valo 1656f5938f24SVasanthakumar Thiagarajan vif->nw_type = vif->next_mode; 1657bdcd8170SKalle Valo 1658bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1659bdcd8170SKalle Valo "%s: connect called with authmode %d dot11 auth %d" 1660bdcd8170SKalle Valo " PW crypto %d PW crypto len %d GRP crypto %d" 1661bdcd8170SKalle Valo " GRP crypto len %d channel hint %u\n", 1662bdcd8170SKalle Valo __func__, 16633450334fSVasanthakumar Thiagarajan vif->auth_mode, vif->dot11_auth_mode, vif->prwise_crypto, 16643450334fSVasanthakumar Thiagarajan vif->prwise_crypto_len, vif->grp_crypto, 1665f74bac54SVasanthakumar Thiagarajan vif->grp_crypto_len, vif->ch_hint); 1666bdcd8170SKalle Valo 1667334234b5SVasanthakumar Thiagarajan status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type, 16683450334fSVasanthakumar Thiagarajan vif->dot11_auth_mode, vif->auth_mode, 16693450334fSVasanthakumar Thiagarajan vif->prwise_crypto, 16703450334fSVasanthakumar Thiagarajan vif->prwise_crypto_len, 16713450334fSVasanthakumar Thiagarajan vif->grp_crypto, vif->grp_crypto_len, 16723450334fSVasanthakumar Thiagarajan vif->ssid_len, vif->ssid, 1673f74bac54SVasanthakumar Thiagarajan vif->req_bssid, vif->ch_hint, 16743ca9d1fcSAarthi Thiruvengadam ar->connect_ctrl_flags, SUBTYPE_NONE); 167559c98449SVasanthakumar Thiagarajan set_bit(CONNECT_PEND, &vif->flags); 1676bdcd8170SKalle Valo 1677bdcd8170SKalle Valo return 0; 1678bdcd8170SKalle Valo } 1679bdcd8170SKalle Valo 1680bdcd8170SKalle Valo static int ath6kl_cfg80211_leave_ibss(struct wiphy *wiphy, 1681bdcd8170SKalle Valo struct net_device *dev) 1682bdcd8170SKalle Valo { 16833450334fSVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1684bdcd8170SKalle Valo 1685990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1686bdcd8170SKalle Valo return -EIO; 1687bdcd8170SKalle Valo 1688240d2799SVasanthakumar Thiagarajan ath6kl_disconnect(vif); 16893450334fSVasanthakumar Thiagarajan memset(vif->ssid, 0, sizeof(vif->ssid)); 16903450334fSVasanthakumar Thiagarajan vif->ssid_len = 0; 1691bdcd8170SKalle Valo 1692bdcd8170SKalle Valo return 0; 1693bdcd8170SKalle Valo } 1694bdcd8170SKalle Valo 1695bdcd8170SKalle Valo static const u32 cipher_suites[] = { 1696bdcd8170SKalle Valo WLAN_CIPHER_SUITE_WEP40, 1697bdcd8170SKalle Valo WLAN_CIPHER_SUITE_WEP104, 1698bdcd8170SKalle Valo WLAN_CIPHER_SUITE_TKIP, 1699bdcd8170SKalle Valo WLAN_CIPHER_SUITE_CCMP, 1700837cb97eSJouni Malinen CCKM_KRK_CIPHER_SUITE, 17015e07021eSDai Shuibing WLAN_CIPHER_SUITE_SMS4, 1702bdcd8170SKalle Valo }; 1703bdcd8170SKalle Valo 1704bdcd8170SKalle Valo static bool is_rate_legacy(s32 rate) 1705bdcd8170SKalle Valo { 1706bdcd8170SKalle Valo static const s32 legacy[] = { 1000, 2000, 5500, 11000, 1707bdcd8170SKalle Valo 6000, 9000, 12000, 18000, 24000, 1708bdcd8170SKalle Valo 36000, 48000, 54000 1709bdcd8170SKalle Valo }; 1710bdcd8170SKalle Valo u8 i; 1711bdcd8170SKalle Valo 1712bdcd8170SKalle Valo for (i = 0; i < ARRAY_SIZE(legacy); i++) 1713bdcd8170SKalle Valo if (rate == legacy[i]) 1714bdcd8170SKalle Valo return true; 1715bdcd8170SKalle Valo 1716bdcd8170SKalle Valo return false; 1717bdcd8170SKalle Valo } 1718bdcd8170SKalle Valo 1719bdcd8170SKalle Valo static bool is_rate_ht20(s32 rate, u8 *mcs, bool *sgi) 1720bdcd8170SKalle Valo { 1721bdcd8170SKalle Valo static const s32 ht20[] = { 6500, 13000, 19500, 26000, 39000, 1722bdcd8170SKalle Valo 52000, 58500, 65000, 72200 1723bdcd8170SKalle Valo }; 1724bdcd8170SKalle Valo u8 i; 1725bdcd8170SKalle Valo 1726bdcd8170SKalle Valo for (i = 0; i < ARRAY_SIZE(ht20); i++) { 1727bdcd8170SKalle Valo if (rate == ht20[i]) { 1728bdcd8170SKalle Valo if (i == ARRAY_SIZE(ht20) - 1) 1729bdcd8170SKalle Valo /* last rate uses sgi */ 1730bdcd8170SKalle Valo *sgi = true; 1731bdcd8170SKalle Valo else 1732bdcd8170SKalle Valo *sgi = false; 1733bdcd8170SKalle Valo 1734bdcd8170SKalle Valo *mcs = i; 1735bdcd8170SKalle Valo return true; 1736bdcd8170SKalle Valo } 1737bdcd8170SKalle Valo } 1738bdcd8170SKalle Valo return false; 1739bdcd8170SKalle Valo } 1740bdcd8170SKalle Valo 1741bdcd8170SKalle Valo static bool is_rate_ht40(s32 rate, u8 *mcs, bool *sgi) 1742bdcd8170SKalle Valo { 1743bdcd8170SKalle Valo static const s32 ht40[] = { 13500, 27000, 40500, 54000, 1744bdcd8170SKalle Valo 81000, 108000, 121500, 135000, 1745bdcd8170SKalle Valo 150000 1746bdcd8170SKalle Valo }; 1747bdcd8170SKalle Valo u8 i; 1748bdcd8170SKalle Valo 1749bdcd8170SKalle Valo for (i = 0; i < ARRAY_SIZE(ht40); i++) { 1750bdcd8170SKalle Valo if (rate == ht40[i]) { 1751bdcd8170SKalle Valo if (i == ARRAY_SIZE(ht40) - 1) 1752bdcd8170SKalle Valo /* last rate uses sgi */ 1753bdcd8170SKalle Valo *sgi = true; 1754bdcd8170SKalle Valo else 1755bdcd8170SKalle Valo *sgi = false; 1756bdcd8170SKalle Valo 1757bdcd8170SKalle Valo *mcs = i; 1758bdcd8170SKalle Valo return true; 1759bdcd8170SKalle Valo } 1760bdcd8170SKalle Valo } 1761bdcd8170SKalle Valo 1762bdcd8170SKalle Valo return false; 1763bdcd8170SKalle Valo } 1764bdcd8170SKalle Valo 1765bdcd8170SKalle Valo static int ath6kl_get_station(struct wiphy *wiphy, struct net_device *dev, 1766bdcd8170SKalle Valo u8 *mac, struct station_info *sinfo) 1767bdcd8170SKalle Valo { 1768bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 176959c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1770bdcd8170SKalle Valo long left; 1771bdcd8170SKalle Valo bool sgi; 1772bdcd8170SKalle Valo s32 rate; 1773bdcd8170SKalle Valo int ret; 1774bdcd8170SKalle Valo u8 mcs; 1775bdcd8170SKalle Valo 17768c8b65e3SVasanthakumar Thiagarajan if (memcmp(mac, vif->bssid, ETH_ALEN) != 0) 1777bdcd8170SKalle Valo return -ENOENT; 1778bdcd8170SKalle Valo 1779bdcd8170SKalle Valo if (down_interruptible(&ar->sem)) 1780bdcd8170SKalle Valo return -EBUSY; 1781bdcd8170SKalle Valo 1782b95907a7SVasanthakumar Thiagarajan set_bit(STATS_UPDATE_PEND, &vif->flags); 1783bdcd8170SKalle Valo 1784334234b5SVasanthakumar Thiagarajan ret = ath6kl_wmi_get_stats_cmd(ar->wmi, vif->fw_vif_idx); 1785bdcd8170SKalle Valo 1786bdcd8170SKalle Valo if (ret != 0) { 1787bdcd8170SKalle Valo up(&ar->sem); 1788bdcd8170SKalle Valo return -EIO; 1789bdcd8170SKalle Valo } 1790bdcd8170SKalle Valo 1791bdcd8170SKalle Valo left = wait_event_interruptible_timeout(ar->event_wq, 1792bdcd8170SKalle Valo !test_bit(STATS_UPDATE_PEND, 1793b95907a7SVasanthakumar Thiagarajan &vif->flags), 1794bdcd8170SKalle Valo WMI_TIMEOUT); 1795bdcd8170SKalle Valo 1796bdcd8170SKalle Valo up(&ar->sem); 1797bdcd8170SKalle Valo 1798bdcd8170SKalle Valo if (left == 0) 1799bdcd8170SKalle Valo return -ETIMEDOUT; 1800bdcd8170SKalle Valo else if (left < 0) 1801bdcd8170SKalle Valo return left; 1802bdcd8170SKalle Valo 1803b95907a7SVasanthakumar Thiagarajan if (vif->target_stats.rx_byte) { 1804b95907a7SVasanthakumar Thiagarajan sinfo->rx_bytes = vif->target_stats.rx_byte; 18058457703fSVladimir Kondratiev sinfo->filled |= STATION_INFO_RX_BYTES64; 1806b95907a7SVasanthakumar Thiagarajan sinfo->rx_packets = vif->target_stats.rx_pkt; 1807bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_RX_PACKETS; 1808bdcd8170SKalle Valo } 1809bdcd8170SKalle Valo 1810b95907a7SVasanthakumar Thiagarajan if (vif->target_stats.tx_byte) { 1811b95907a7SVasanthakumar Thiagarajan sinfo->tx_bytes = vif->target_stats.tx_byte; 18128457703fSVladimir Kondratiev sinfo->filled |= STATION_INFO_TX_BYTES64; 1813b95907a7SVasanthakumar Thiagarajan sinfo->tx_packets = vif->target_stats.tx_pkt; 1814bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_TX_PACKETS; 1815bdcd8170SKalle Valo } 1816bdcd8170SKalle Valo 1817b95907a7SVasanthakumar Thiagarajan sinfo->signal = vif->target_stats.cs_rssi; 1818bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_SIGNAL; 1819bdcd8170SKalle Valo 1820b95907a7SVasanthakumar Thiagarajan rate = vif->target_stats.tx_ucast_rate; 1821bdcd8170SKalle Valo 1822bdcd8170SKalle Valo if (is_rate_legacy(rate)) { 1823bdcd8170SKalle Valo sinfo->txrate.legacy = rate / 100; 1824bdcd8170SKalle Valo } else if (is_rate_ht20(rate, &mcs, &sgi)) { 1825bdcd8170SKalle Valo if (sgi) { 1826bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; 1827bdcd8170SKalle Valo sinfo->txrate.mcs = mcs - 1; 1828bdcd8170SKalle Valo } else { 1829bdcd8170SKalle Valo sinfo->txrate.mcs = mcs; 1830bdcd8170SKalle Valo } 1831bdcd8170SKalle Valo 1832bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; 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 1841bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; 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 1850bdcd8170SKalle Valo sinfo->filled |= STATION_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) { 185532c10874SJouni Malinen sinfo->filled |= STATION_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 /* 19066cb3c714SRaja Mani * Convert given nl80211 specific mask value to equivalent 19076cb3c714SRaja Mani * driver specific mask value and send it to the chip along 19086cb3c714SRaja Mani * with patterns. For example, If the mask value defined in 19096cb3c714SRaja Mani * struct cfg80211_wowlan is 0xA (equivalent binary is 1010), 19106cb3c714SRaja Mani * then equivalent driver specific mask value is 19116cb3c714SRaja Mani * "0xFF 0x00 0xFF 0x00". 19126cb3c714SRaja Mani */ 19136cb3c714SRaja Mani memset(&mask, 0, sizeof(mask)); 19146cb3c714SRaja Mani for (pos = 0; pos < wow->patterns[i].pattern_len; pos++) { 19156cb3c714SRaja Mani if (wow->patterns[i].mask[pos / 8] & (0x1 << (pos % 8))) 19166cb3c714SRaja Mani mask[pos] = 0xFF; 19176cb3c714SRaja Mani } 19186cb3c714SRaja Mani /* 19196cb3c714SRaja Mani * Note: Pattern's offset is not passed as part of wowlan 19206cb3c714SRaja Mani * parameter from CFG layer. So it's always passed as ZERO 19216cb3c714SRaja Mani * to the firmware. It means, given WOW patterns are always 19226cb3c714SRaja Mani * matched from the first byte of received pkt in the firmware. 19236cb3c714SRaja Mani */ 19246cb3c714SRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 19256cb3c714SRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 19266cb3c714SRaja Mani wow->patterns[i].pattern_len, 19276cb3c714SRaja Mani 0 /* pattern offset */, 19286cb3c714SRaja Mani wow->patterns[i].pattern, mask); 19296cb3c714SRaja Mani if (ret) 19306cb3c714SRaja Mani return ret; 19316cb3c714SRaja Mani } 19326cb3c714SRaja Mani 1933d91e8eeeSRaja Mani if (wow->disconnect) 1934d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_NWK_DISASSOC; 1935d91e8eeeSRaja Mani 1936d91e8eeeSRaja Mani if (wow->magic_pkt) 1937d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_MAGIC_PACKET; 1938d91e8eeeSRaja Mani 1939d91e8eeeSRaja Mani if (wow->gtk_rekey_failure) 1940d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_GTK_ERROR; 1941d91e8eeeSRaja Mani 1942d91e8eeeSRaja Mani if (wow->eap_identity_req) 1943d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_EAP_REQ; 1944d91e8eeeSRaja Mani 1945d91e8eeeSRaja Mani if (wow->four_way_handshake) 1946d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_8021X_4WAYHS; 1947d91e8eeeSRaja Mani 1948d91e8eeeSRaja Mani return 0; 1949d91e8eeeSRaja Mani } 1950d91e8eeeSRaja Mani 1951d91e8eeeSRaja Mani static int ath6kl_wow_ap(struct ath6kl *ar, struct ath6kl_vif *vif) 1952d91e8eeeSRaja Mani { 1953d91e8eeeSRaja Mani static const u8 unicst_pattern[] = { 0x00, 0x00, 0x00, 1954d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1955d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1956d91e8eeeSRaja Mani 0x00, 0x08 }; 1957d91e8eeeSRaja Mani static const u8 unicst_mask[] = { 0x01, 0x00, 0x00, 1958d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1959d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1960d91e8eeeSRaja Mani 0x00, 0x7f }; 1961d91e8eeeSRaja Mani u8 unicst_offset = 0; 1962d91e8eeeSRaja Mani static const u8 arp_pattern[] = { 0x08, 0x06 }; 1963d91e8eeeSRaja Mani static const u8 arp_mask[] = { 0xff, 0xff }; 1964d91e8eeeSRaja Mani u8 arp_offset = 20; 1965d91e8eeeSRaja Mani static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 }; 1966d91e8eeeSRaja Mani static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 }; 1967d91e8eeeSRaja Mani u8 discvr_offset = 38; 1968d91e8eeeSRaja Mani static const u8 dhcp_pattern[] = { 0xff, 0xff, 0xff, 0xff, 1969d91e8eeeSRaja Mani 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1970d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 1971d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1972d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1973d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x43 /* port 67 */ }; 1974d91e8eeeSRaja Mani static const u8 dhcp_mask[] = { 0xff, 0xff, 0xff, 0xff, 1975d91e8eeeSRaja Mani 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1976d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 1977d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1978d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1979d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0xff, 0xff /* port 67 */ }; 1980d91e8eeeSRaja Mani u8 dhcp_offset = 0; 1981d91e8eeeSRaja Mani int ret; 1982d91e8eeeSRaja Mani 1983d91e8eeeSRaja Mani /* Setup unicast IP, EAPOL-like and ARP pkt pattern */ 1984d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 1985d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 1986d91e8eeeSRaja Mani sizeof(unicst_pattern), unicst_offset, 1987d91e8eeeSRaja Mani unicst_pattern, unicst_mask); 1988d91e8eeeSRaja Mani if (ret) { 1989d91e8eeeSRaja Mani ath6kl_err("failed to add WOW unicast IP pattern\n"); 1990d91e8eeeSRaja Mani return ret; 1991d91e8eeeSRaja Mani } 1992d91e8eeeSRaja Mani 1993d91e8eeeSRaja Mani /* Setup all ARP pkt pattern */ 1994d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 1995d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 1996d91e8eeeSRaja Mani sizeof(arp_pattern), arp_offset, 1997d91e8eeeSRaja Mani arp_pattern, arp_mask); 1998d91e8eeeSRaja Mani if (ret) { 1999d91e8eeeSRaja Mani ath6kl_err("failed to add WOW ARP pattern\n"); 2000d91e8eeeSRaja Mani return ret; 2001d91e8eeeSRaja Mani } 2002d91e8eeeSRaja Mani 2003d91e8eeeSRaja Mani /* 2004d91e8eeeSRaja Mani * Setup multicast pattern for mDNS 224.0.0.251, 2005d91e8eeeSRaja Mani * SSDP 239.255.255.250 and LLMNR 224.0.0.252 2006d91e8eeeSRaja Mani */ 2007d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 2008d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 2009d91e8eeeSRaja Mani sizeof(discvr_pattern), discvr_offset, 2010d91e8eeeSRaja Mani discvr_pattern, discvr_mask); 2011d91e8eeeSRaja Mani if (ret) { 2012d91e8eeeSRaja Mani ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n"); 2013d91e8eeeSRaja Mani return ret; 2014d91e8eeeSRaja Mani } 2015d91e8eeeSRaja Mani 2016d91e8eeeSRaja Mani /* Setup all DHCP broadcast pkt pattern */ 2017d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 2018d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 2019d91e8eeeSRaja Mani sizeof(dhcp_pattern), dhcp_offset, 2020d91e8eeeSRaja Mani dhcp_pattern, dhcp_mask); 2021d91e8eeeSRaja Mani if (ret) { 2022d91e8eeeSRaja Mani ath6kl_err("failed to add WOW DHCP broadcast pattern\n"); 2023d91e8eeeSRaja Mani return ret; 2024d91e8eeeSRaja Mani } 2025d91e8eeeSRaja Mani 2026d91e8eeeSRaja Mani return 0; 2027d91e8eeeSRaja Mani } 2028d91e8eeeSRaja Mani 2029d91e8eeeSRaja Mani static int ath6kl_wow_sta(struct ath6kl *ar, struct ath6kl_vif *vif) 2030d91e8eeeSRaja Mani { 2031d91e8eeeSRaja Mani struct net_device *ndev = vif->ndev; 2032d91e8eeeSRaja Mani static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 }; 2033d91e8eeeSRaja Mani static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 }; 2034d91e8eeeSRaja Mani u8 discvr_offset = 38; 2035d91e8eeeSRaja Mani u8 mac_mask[ETH_ALEN]; 2036d91e8eeeSRaja Mani int ret; 2037d91e8eeeSRaja Mani 2038d91e8eeeSRaja Mani /* Setup unicast pkt pattern */ 2039d91e8eeeSRaja Mani memset(mac_mask, 0xff, ETH_ALEN); 2040d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 2041d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 2042d91e8eeeSRaja Mani ETH_ALEN, 0, ndev->dev_addr, 2043d91e8eeeSRaja Mani mac_mask); 2044d91e8eeeSRaja Mani if (ret) { 2045d91e8eeeSRaja Mani ath6kl_err("failed to add WOW unicast pattern\n"); 2046d91e8eeeSRaja Mani return ret; 2047d91e8eeeSRaja Mani } 2048d91e8eeeSRaja Mani 2049d91e8eeeSRaja Mani /* 2050d91e8eeeSRaja Mani * Setup multicast pattern for mDNS 224.0.0.251, 2051d91e8eeeSRaja Mani * SSDP 239.255.255.250 and LLMNR 224.0.0.252 2052d91e8eeeSRaja Mani */ 2053d91e8eeeSRaja Mani if ((ndev->flags & IFF_ALLMULTI) || 2054d91e8eeeSRaja Mani (ndev->flags & IFF_MULTICAST && netdev_mc_count(ndev) > 0)) { 2055d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 2056d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 2057d91e8eeeSRaja Mani sizeof(discvr_pattern), discvr_offset, 2058d91e8eeeSRaja Mani discvr_pattern, discvr_mask); 2059d91e8eeeSRaja Mani if (ret) { 2060cdeb8602SKalle Valo ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n"); 2061d91e8eeeSRaja Mani return ret; 2062d91e8eeeSRaja Mani } 2063d91e8eeeSRaja Mani } 2064d91e8eeeSRaja Mani 2065d91e8eeeSRaja Mani return 0; 2066d91e8eeeSRaja Mani } 2067d91e8eeeSRaja Mani 2068055bde49SRaja Mani static int is_hsleep_mode_procsed(struct ath6kl_vif *vif) 2069055bde49SRaja Mani { 2070055bde49SRaja Mani return test_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags); 2071055bde49SRaja Mani } 2072055bde49SRaja Mani 2073055bde49SRaja Mani static bool is_ctrl_ep_empty(struct ath6kl *ar) 2074055bde49SRaja Mani { 2075055bde49SRaja Mani return !ar->tx_pending[ar->ctrl_ep]; 2076055bde49SRaja Mani } 2077055bde49SRaja Mani 2078055bde49SRaja Mani static int ath6kl_cfg80211_host_sleep(struct ath6kl *ar, struct ath6kl_vif *vif) 2079055bde49SRaja Mani { 2080055bde49SRaja Mani int ret, left; 2081055bde49SRaja Mani 2082055bde49SRaja Mani clear_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags); 2083055bde49SRaja Mani 2084055bde49SRaja Mani ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, 2085055bde49SRaja Mani ATH6KL_HOST_MODE_ASLEEP); 2086055bde49SRaja Mani if (ret) 2087055bde49SRaja Mani return ret; 2088055bde49SRaja Mani 2089055bde49SRaja Mani left = wait_event_interruptible_timeout(ar->event_wq, 2090055bde49SRaja Mani is_hsleep_mode_procsed(vif), 2091055bde49SRaja Mani WMI_TIMEOUT); 2092055bde49SRaja Mani if (left == 0) { 2093055bde49SRaja Mani ath6kl_warn("timeout, didn't get host sleep cmd processed event\n"); 2094055bde49SRaja Mani ret = -ETIMEDOUT; 2095055bde49SRaja Mani } else if (left < 0) { 2096055bde49SRaja Mani ath6kl_warn("error while waiting for host sleep cmd processed event %d\n", 2097055bde49SRaja Mani left); 2098055bde49SRaja Mani ret = left; 2099055bde49SRaja Mani } 2100055bde49SRaja Mani 2101055bde49SRaja Mani if (ar->tx_pending[ar->ctrl_ep]) { 2102055bde49SRaja Mani left = wait_event_interruptible_timeout(ar->event_wq, 2103055bde49SRaja Mani is_ctrl_ep_empty(ar), 2104055bde49SRaja Mani WMI_TIMEOUT); 2105055bde49SRaja Mani if (left == 0) { 2106055bde49SRaja Mani ath6kl_warn("clear wmi ctrl data timeout\n"); 2107055bde49SRaja Mani ret = -ETIMEDOUT; 2108055bde49SRaja Mani } else if (left < 0) { 2109055bde49SRaja Mani ath6kl_warn("clear wmi ctrl data failed: %d\n", left); 2110055bde49SRaja Mani ret = left; 2111055bde49SRaja Mani } 2112055bde49SRaja Mani } 2113055bde49SRaja Mani 2114055bde49SRaja Mani return ret; 2115055bde49SRaja Mani } 2116055bde49SRaja Mani 2117fd4377b6SThomas Pedersen static int ath6kl_wow_suspend_vif(struct ath6kl_vif *vif, 2118fd4377b6SThomas Pedersen struct cfg80211_wowlan *wow, u32 *filter) 2119d91e8eeeSRaja Mani { 2120fd4377b6SThomas Pedersen struct ath6kl *ar = vif->ar; 2121d91e8eeeSRaja Mani struct in_device *in_dev; 2122d91e8eeeSRaja Mani struct in_ifaddr *ifa; 2123055bde49SRaja Mani int ret; 2124ce0dc0cfSRaja Mani u16 i, bmiss_time; 2125d91e8eeeSRaja Mani __be32 ips[MAX_IP_ADDRS]; 2126fd4377b6SThomas Pedersen u8 index = 0; 2127d91e8eeeSRaja Mani 21286821d4f0SNaveen Gangadharan if (!test_bit(NETDEV_MCAST_ALL_ON, &vif->flags) && 21296821d4f0SNaveen Gangadharan test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER, 21306821d4f0SNaveen Gangadharan ar->fw_capabilities)) { 21316251d801SNaveen Gangadharan ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi, 21326251d801SNaveen Gangadharan vif->fw_vif_idx, false); 21336251d801SNaveen Gangadharan if (ret) 21346251d801SNaveen Gangadharan return ret; 21356251d801SNaveen Gangadharan } 21366251d801SNaveen Gangadharan 2137d91e8eeeSRaja Mani /* Clear existing WOW patterns */ 2138d91e8eeeSRaja Mani for (i = 0; i < WOW_MAX_FILTERS_PER_LIST; i++) 2139d91e8eeeSRaja Mani ath6kl_wmi_del_wow_pattern_cmd(ar->wmi, vif->fw_vif_idx, 2140d91e8eeeSRaja Mani WOW_LIST_ID, i); 2141d91e8eeeSRaja Mani 2142d91e8eeeSRaja Mani /* 2143d91e8eeeSRaja Mani * Skip the default WOW pattern configuration 2144d91e8eeeSRaja Mani * if the driver receives any WOW patterns from 2145d91e8eeeSRaja Mani * the user. 2146d91e8eeeSRaja Mani */ 2147d91e8eeeSRaja Mani if (wow) 2148fd4377b6SThomas Pedersen ret = ath6kl_wow_usr(ar, vif, wow, filter); 2149d91e8eeeSRaja Mani else if (vif->nw_type == AP_NETWORK) 2150d91e8eeeSRaja Mani ret = ath6kl_wow_ap(ar, vif); 2151d91e8eeeSRaja Mani else 2152d91e8eeeSRaja Mani ret = ath6kl_wow_sta(ar, vif); 2153d91e8eeeSRaja Mani 2154d91e8eeeSRaja Mani if (ret) 2155d91e8eeeSRaja Mani return ret; 2156d91e8eeeSRaja Mani 2157390a8c8fSRaja Mani netif_stop_queue(vif->ndev); 2158390a8c8fSRaja Mani 2159ce0dc0cfSRaja Mani if (vif->nw_type != AP_NETWORK) { 2160ce0dc0cfSRaja Mani ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx, 2161ce0dc0cfSRaja Mani ATH6KL_MAX_WOW_LISTEN_INTL, 2162ce0dc0cfSRaja Mani 0); 2163ce0dc0cfSRaja Mani if (ret) 2164ce0dc0cfSRaja Mani return ret; 2165ce0dc0cfSRaja Mani 2166ce0dc0cfSRaja Mani /* Set listen interval x 15 times as bmiss time */ 2167ce0dc0cfSRaja Mani bmiss_time = ATH6KL_MAX_WOW_LISTEN_INTL * 15; 2168ce0dc0cfSRaja Mani if (bmiss_time > ATH6KL_MAX_BMISS_TIME) 2169ce0dc0cfSRaja Mani bmiss_time = ATH6KL_MAX_BMISS_TIME; 2170ce0dc0cfSRaja Mani 2171ce0dc0cfSRaja Mani ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx, 2172ce0dc0cfSRaja Mani bmiss_time, 0); 2173ce0dc0cfSRaja Mani if (ret) 2174ce0dc0cfSRaja Mani return ret; 2175ce0dc0cfSRaja Mani 2176ce0dc0cfSRaja Mani ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 2177ce0dc0cfSRaja Mani 0xFFFF, 0, 0xFFFF, 0, 0, 0, 2178ce0dc0cfSRaja Mani 0, 0, 0, 0); 2179ce0dc0cfSRaja Mani if (ret) 2180ce0dc0cfSRaja Mani return ret; 2181ce0dc0cfSRaja Mani } 2182ce0dc0cfSRaja Mani 2183c08631c6SRaja Mani /* Setup own IP addr for ARP agent. */ 2184c08631c6SRaja Mani in_dev = __in_dev_get_rtnl(vif->ndev); 2185c08631c6SRaja Mani if (!in_dev) 2186fd4377b6SThomas Pedersen return 0; 2187c08631c6SRaja Mani 2188c08631c6SRaja Mani ifa = in_dev->ifa_list; 2189c08631c6SRaja Mani memset(&ips, 0, sizeof(ips)); 2190c08631c6SRaja Mani 2191c08631c6SRaja Mani /* Configure IP addr only if IP address count < MAX_IP_ADDRS */ 2192c08631c6SRaja Mani while (index < MAX_IP_ADDRS && ifa) { 2193c08631c6SRaja Mani ips[index] = ifa->ifa_local; 2194c08631c6SRaja Mani ifa = ifa->ifa_next; 2195c08631c6SRaja Mani index++; 2196c08631c6SRaja Mani } 2197c08631c6SRaja Mani 2198c08631c6SRaja Mani if (ifa) { 2199c08631c6SRaja Mani ath6kl_err("total IP addr count is exceeding fw limit\n"); 2200c08631c6SRaja Mani return -EINVAL; 2201c08631c6SRaja Mani } 2202c08631c6SRaja Mani 2203c08631c6SRaja Mani ret = ath6kl_wmi_set_ip_cmd(ar->wmi, vif->fw_vif_idx, ips[0], ips[1]); 2204c08631c6SRaja Mani if (ret) { 2205c08631c6SRaja Mani ath6kl_err("fail to setup ip for arp agent\n"); 2206c08631c6SRaja Mani return ret; 2207c08631c6SRaja Mani } 2208c08631c6SRaja Mani 2209fd4377b6SThomas Pedersen return ret; 2210fd4377b6SThomas Pedersen } 2211fd4377b6SThomas Pedersen 2212fd4377b6SThomas Pedersen static int ath6kl_wow_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow) 2213fd4377b6SThomas Pedersen { 2214fd4377b6SThomas Pedersen struct ath6kl_vif *first_vif, *vif; 2215fd4377b6SThomas Pedersen int ret = 0; 2216fd4377b6SThomas Pedersen u32 filter = 0; 2217fd4377b6SThomas Pedersen bool connected = false; 2218fd4377b6SThomas Pedersen 2219fd4377b6SThomas Pedersen /* enter / leave wow suspend on first vif always */ 2220fd4377b6SThomas Pedersen first_vif = ath6kl_vif_first(ar); 2221fd4377b6SThomas Pedersen if (WARN_ON(unlikely(!first_vif)) || 2222fd4377b6SThomas Pedersen !ath6kl_cfg80211_ready(first_vif)) 2223fd4377b6SThomas Pedersen return -EIO; 2224fd4377b6SThomas Pedersen 2225fd4377b6SThomas Pedersen if (wow && (wow->n_patterns > WOW_MAX_FILTERS_PER_LIST)) 2226fd4377b6SThomas Pedersen return -EINVAL; 2227fd4377b6SThomas Pedersen 2228fd4377b6SThomas Pedersen /* install filters for each connected vif */ 2229fd4377b6SThomas Pedersen spin_lock_bh(&ar->list_lock); 2230fd4377b6SThomas Pedersen list_for_each_entry(vif, &ar->vif_list, list) { 2231fd4377b6SThomas Pedersen if (!test_bit(CONNECTED, &vif->flags) || 2232fd4377b6SThomas Pedersen !ath6kl_cfg80211_ready(vif)) 2233fd4377b6SThomas Pedersen continue; 2234fd4377b6SThomas Pedersen connected = true; 2235fd4377b6SThomas Pedersen 2236fd4377b6SThomas Pedersen ret = ath6kl_wow_suspend_vif(vif, wow, &filter); 2237fd4377b6SThomas Pedersen if (ret) 2238fd4377b6SThomas Pedersen break; 2239fd4377b6SThomas Pedersen } 2240fd4377b6SThomas Pedersen spin_unlock_bh(&ar->list_lock); 2241fd4377b6SThomas Pedersen 2242fd4377b6SThomas Pedersen if (!connected) 2243fd4377b6SThomas Pedersen return -ENOTCONN; 2244fd4377b6SThomas Pedersen else if (ret) 2245fd4377b6SThomas Pedersen return ret; 2246fd4377b6SThomas Pedersen 2247fd4377b6SThomas Pedersen ar->state = ATH6KL_STATE_SUSPENDING; 2248fd4377b6SThomas Pedersen 2249fd4377b6SThomas Pedersen ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, first_vif->fw_vif_idx, 22506cb3c714SRaja Mani ATH6KL_WOW_MODE_ENABLE, 22516cb3c714SRaja Mani filter, 22526cb3c714SRaja Mani WOW_HOST_REQ_DELAY); 22536cb3c714SRaja Mani if (ret) 22546cb3c714SRaja Mani return ret; 22556cb3c714SRaja Mani 2256fd4377b6SThomas Pedersen return ath6kl_cfg80211_host_sleep(ar, first_vif); 22576cb3c714SRaja Mani } 22586cb3c714SRaja Mani 2259fd4377b6SThomas Pedersen static int ath6kl_wow_resume_vif(struct ath6kl_vif *vif) 22606cb3c714SRaja Mani { 2261fd4377b6SThomas Pedersen struct ath6kl *ar = vif->ar; 22626cb3c714SRaja Mani int ret; 22636cb3c714SRaja Mani 2264ce0dc0cfSRaja Mani if (vif->nw_type != AP_NETWORK) { 2265ce0dc0cfSRaja Mani ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 2266ce0dc0cfSRaja Mani 0, 0, 0, 0, 0, 0, 3, 0, 0, 0); 2267ce0dc0cfSRaja Mani if (ret) 2268ce0dc0cfSRaja Mani return ret; 2269ce0dc0cfSRaja Mani 2270ce0dc0cfSRaja Mani ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx, 2271ce0dc0cfSRaja Mani vif->listen_intvl_t, 0); 2272ce0dc0cfSRaja Mani if (ret) 2273ce0dc0cfSRaja Mani return ret; 2274ce0dc0cfSRaja Mani 2275ce0dc0cfSRaja Mani ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx, 2276ce0dc0cfSRaja Mani vif->bmiss_time_t, 0); 2277ce0dc0cfSRaja Mani if (ret) 2278ce0dc0cfSRaja Mani return ret; 2279ce0dc0cfSRaja Mani } 2280ce0dc0cfSRaja Mani 22816821d4f0SNaveen Gangadharan if (!test_bit(NETDEV_MCAST_ALL_OFF, &vif->flags) && 22826821d4f0SNaveen Gangadharan test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER, 22836821d4f0SNaveen Gangadharan ar->fw_capabilities)) { 22846251d801SNaveen Gangadharan ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi, 22856251d801SNaveen Gangadharan vif->fw_vif_idx, true); 22866251d801SNaveen Gangadharan if (ret) 22876251d801SNaveen Gangadharan return ret; 22886251d801SNaveen Gangadharan } 22896251d801SNaveen Gangadharan 2290390a8c8fSRaja Mani netif_wake_queue(vif->ndev); 2291390a8c8fSRaja Mani 2292390a8c8fSRaja Mani return 0; 2293390a8c8fSRaja Mani } 2294390a8c8fSRaja Mani 2295fd4377b6SThomas Pedersen static int ath6kl_wow_resume(struct ath6kl *ar) 2296fd4377b6SThomas Pedersen { 2297fd4377b6SThomas Pedersen struct ath6kl_vif *vif; 2298fd4377b6SThomas Pedersen int ret; 2299fd4377b6SThomas Pedersen 2300fd4377b6SThomas Pedersen vif = ath6kl_vif_first(ar); 2301fd4377b6SThomas Pedersen if (WARN_ON(unlikely(!vif)) || 2302fd4377b6SThomas Pedersen !ath6kl_cfg80211_ready(vif)) 2303fd4377b6SThomas Pedersen return -EIO; 2304fd4377b6SThomas Pedersen 2305fd4377b6SThomas Pedersen ar->state = ATH6KL_STATE_RESUMING; 2306fd4377b6SThomas Pedersen 2307fd4377b6SThomas Pedersen ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, 2308fd4377b6SThomas Pedersen ATH6KL_HOST_MODE_AWAKE); 2309fd4377b6SThomas Pedersen if (ret) { 2310fd4377b6SThomas Pedersen ath6kl_warn("Failed to configure host sleep mode for wow resume: %d\n", 2311fd4377b6SThomas Pedersen ret); 2312fd4377b6SThomas Pedersen goto cleanup; 2313fd4377b6SThomas Pedersen } 2314fd4377b6SThomas Pedersen 2315fd4377b6SThomas Pedersen spin_lock_bh(&ar->list_lock); 2316fd4377b6SThomas Pedersen list_for_each_entry(vif, &ar->vif_list, list) { 2317fd4377b6SThomas Pedersen if (!test_bit(CONNECTED, &vif->flags) || 2318fd4377b6SThomas Pedersen !ath6kl_cfg80211_ready(vif)) 2319fd4377b6SThomas Pedersen continue; 2320fd4377b6SThomas Pedersen ret = ath6kl_wow_resume_vif(vif); 2321fd4377b6SThomas Pedersen if (ret) 2322fd4377b6SThomas Pedersen break; 2323fd4377b6SThomas Pedersen } 2324fd4377b6SThomas Pedersen spin_unlock_bh(&ar->list_lock); 2325fd4377b6SThomas Pedersen 2326fd4377b6SThomas Pedersen if (ret) 2327fd4377b6SThomas Pedersen goto cleanup; 2328fd4377b6SThomas Pedersen 2329fd4377b6SThomas Pedersen ar->state = ATH6KL_STATE_ON; 2330fd4377b6SThomas Pedersen return 0; 2331fd4377b6SThomas Pedersen 2332fd4377b6SThomas Pedersen cleanup: 2333fd4377b6SThomas Pedersen ar->state = ATH6KL_STATE_WOW; 2334fd4377b6SThomas Pedersen return ret; 2335fd4377b6SThomas Pedersen } 2336fd4377b6SThomas Pedersen 233740abc2deSRaja Mani static int ath6kl_cfg80211_deepsleep_suspend(struct ath6kl *ar) 233840abc2deSRaja Mani { 233940abc2deSRaja Mani struct ath6kl_vif *vif; 234040abc2deSRaja Mani int ret; 234140abc2deSRaja Mani 234240abc2deSRaja Mani vif = ath6kl_vif_first(ar); 234340abc2deSRaja Mani if (!vif) 234440abc2deSRaja Mani return -EIO; 234540abc2deSRaja Mani 234648f27587SMing Jiang if (!test_bit(WMI_READY, &ar->flag)) { 234748f27587SMing Jiang ath6kl_err("deepsleep failed as wmi is not ready\n"); 234840abc2deSRaja Mani return -EIO; 234948f27587SMing Jiang } 235040abc2deSRaja Mani 235140abc2deSRaja Mani ath6kl_cfg80211_stop_all(ar); 235240abc2deSRaja Mani 235340abc2deSRaja Mani /* Save the current power mode before enabling power save */ 235440abc2deSRaja Mani ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode; 235540abc2deSRaja Mani 235640abc2deSRaja Mani ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER); 235740abc2deSRaja Mani if (ret) 235840abc2deSRaja Mani return ret; 235940abc2deSRaja Mani 236040abc2deSRaja Mani /* Disable WOW mode */ 236140abc2deSRaja Mani ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx, 236240abc2deSRaja Mani ATH6KL_WOW_MODE_DISABLE, 236340abc2deSRaja Mani 0, 0); 236440abc2deSRaja Mani if (ret) 236540abc2deSRaja Mani return ret; 236640abc2deSRaja Mani 236740abc2deSRaja Mani /* Flush all non control pkts in TX path */ 236840abc2deSRaja Mani ath6kl_tx_data_cleanup(ar); 236940abc2deSRaja Mani 237040abc2deSRaja Mani ret = ath6kl_cfg80211_host_sleep(ar, vif); 237140abc2deSRaja Mani if (ret) 237240abc2deSRaja Mani return ret; 237340abc2deSRaja Mani 237440abc2deSRaja Mani return 0; 237540abc2deSRaja Mani } 237640abc2deSRaja Mani 237740abc2deSRaja Mani static int ath6kl_cfg80211_deepsleep_resume(struct ath6kl *ar) 237840abc2deSRaja Mani { 237940abc2deSRaja Mani struct ath6kl_vif *vif; 238040abc2deSRaja Mani int ret; 238140abc2deSRaja Mani 238240abc2deSRaja Mani vif = ath6kl_vif_first(ar); 238340abc2deSRaja Mani 238440abc2deSRaja Mani if (!vif) 238540abc2deSRaja Mani return -EIO; 238640abc2deSRaja Mani 238740abc2deSRaja Mani if (ar->wmi->pwr_mode != ar->wmi->saved_pwr_mode) { 238840abc2deSRaja Mani ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, 238940abc2deSRaja Mani ar->wmi->saved_pwr_mode); 239040abc2deSRaja Mani if (ret) 239140abc2deSRaja Mani return ret; 239240abc2deSRaja Mani } 239340abc2deSRaja Mani 239440abc2deSRaja Mani ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, 239540abc2deSRaja Mani ATH6KL_HOST_MODE_AWAKE); 239640abc2deSRaja Mani if (ret) 239740abc2deSRaja Mani return ret; 239840abc2deSRaja Mani 239940abc2deSRaja Mani ar->state = ATH6KL_STATE_ON; 240040abc2deSRaja Mani 240140abc2deSRaja Mani /* Reset scan parameter to default values */ 240240abc2deSRaja Mani ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 240340abc2deSRaja Mani 0, 0, 0, 0, 0, 0, 3, 0, 0, 0); 240440abc2deSRaja Mani if (ret) 240540abc2deSRaja Mani return ret; 240640abc2deSRaja Mani 240740abc2deSRaja Mani return 0; 240840abc2deSRaja Mani } 240940abc2deSRaja Mani 241052d81a68SKalle Valo int ath6kl_cfg80211_suspend(struct ath6kl *ar, 24110f60e9f4SRaja Mani enum ath6kl_cfg_suspend_mode mode, 24120f60e9f4SRaja Mani struct cfg80211_wowlan *wow) 241352d81a68SKalle Valo { 24143d79499cSVivek Natarajan struct ath6kl_vif *vif; 2415390a8c8fSRaja Mani enum ath6kl_state prev_state; 241652d81a68SKalle Valo int ret; 241752d81a68SKalle Valo 241852d81a68SKalle Valo switch (mode) { 2419d7c44e0bSRaja Mani case ATH6KL_CFG_SUSPEND_WOW: 2420d7c44e0bSRaja Mani 2421d7c44e0bSRaja Mani ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode suspend\n"); 2422d7c44e0bSRaja Mani 2423d7c44e0bSRaja Mani /* Flush all non control pkts in TX path */ 2424d7c44e0bSRaja Mani ath6kl_tx_data_cleanup(ar); 2425d7c44e0bSRaja Mani 2426390a8c8fSRaja Mani prev_state = ar->state; 2427390a8c8fSRaja Mani 2428d7c44e0bSRaja Mani ret = ath6kl_wow_suspend(ar, wow); 2429390a8c8fSRaja Mani if (ret) { 2430390a8c8fSRaja Mani ar->state = prev_state; 2431d7c44e0bSRaja Mani return ret; 2432390a8c8fSRaja Mani } 24331e9a905dSRaja Mani 2434d7c44e0bSRaja Mani ar->state = ATH6KL_STATE_WOW; 2435d7c44e0bSRaja Mani break; 2436d7c44e0bSRaja Mani 243752d81a68SKalle Valo case ATH6KL_CFG_SUSPEND_DEEPSLEEP: 2438524441e3SRaja Mani 243940abc2deSRaja Mani ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep suspend\n"); 2440524441e3SRaja Mani 244140abc2deSRaja Mani ret = ath6kl_cfg80211_deepsleep_suspend(ar); 244252d81a68SKalle Valo if (ret) { 244340abc2deSRaja Mani ath6kl_err("deepsleep suspend failed: %d\n", ret); 244440abc2deSRaja Mani return ret; 244552d81a68SKalle Valo } 244652d81a68SKalle Valo 244776a9fbe2SKalle Valo ar->state = ATH6KL_STATE_DEEPSLEEP; 244876a9fbe2SKalle Valo 244952d81a68SKalle Valo break; 2450b4b2a0b1SKalle Valo 2451b4b2a0b1SKalle Valo case ATH6KL_CFG_SUSPEND_CUTPOWER: 2452524441e3SRaja Mani 24537125f01dSKalle Valo ath6kl_cfg80211_stop_all(ar); 2454524441e3SRaja Mani 2455b4b2a0b1SKalle Valo if (ar->state == ATH6KL_STATE_OFF) { 2456b4b2a0b1SKalle Valo ath6kl_dbg(ATH6KL_DBG_SUSPEND, 2457b4b2a0b1SKalle Valo "suspend hw off, no action for cutpower\n"); 2458b4b2a0b1SKalle Valo break; 2459b4b2a0b1SKalle Valo } 2460b4b2a0b1SKalle Valo 2461b4b2a0b1SKalle Valo ath6kl_dbg(ATH6KL_DBG_SUSPEND, "suspend cutting power\n"); 2462b4b2a0b1SKalle Valo 2463b4b2a0b1SKalle Valo ret = ath6kl_init_hw_stop(ar); 2464b4b2a0b1SKalle Valo if (ret) { 2465b4b2a0b1SKalle Valo ath6kl_warn("failed to stop hw during suspend: %d\n", 2466b4b2a0b1SKalle Valo ret); 2467b4b2a0b1SKalle Valo } 2468b4b2a0b1SKalle Valo 2469b4b2a0b1SKalle Valo ar->state = ATH6KL_STATE_CUTPOWER; 2470b4b2a0b1SKalle Valo 2471b4b2a0b1SKalle Valo break; 2472b4b2a0b1SKalle Valo 2473b4b2a0b1SKalle Valo default: 2474b4b2a0b1SKalle Valo break; 247552d81a68SKalle Valo } 247652d81a68SKalle Valo 24773d79499cSVivek Natarajan list_for_each_entry(vif, &ar->vif_list, list) 24783d79499cSVivek Natarajan ath6kl_cfg80211_scan_complete_event(vif, true); 24793d79499cSVivek Natarajan 248052d81a68SKalle Valo return 0; 248152d81a68SKalle Valo } 2482d6a434d6SKalle Valo EXPORT_SYMBOL(ath6kl_cfg80211_suspend); 248352d81a68SKalle Valo 248452d81a68SKalle Valo int ath6kl_cfg80211_resume(struct ath6kl *ar) 248552d81a68SKalle Valo { 248676a9fbe2SKalle Valo int ret; 248776a9fbe2SKalle Valo 248876a9fbe2SKalle Valo switch (ar->state) { 2489d7c44e0bSRaja Mani case ATH6KL_STATE_WOW: 2490d7c44e0bSRaja Mani ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode resume\n"); 2491d7c44e0bSRaja Mani 2492d7c44e0bSRaja Mani ret = ath6kl_wow_resume(ar); 2493d7c44e0bSRaja Mani if (ret) { 2494d7c44e0bSRaja Mani ath6kl_warn("wow mode resume failed: %d\n", ret); 2495d7c44e0bSRaja Mani return ret; 2496d7c44e0bSRaja Mani } 2497d7c44e0bSRaja Mani 2498d7c44e0bSRaja Mani break; 2499d7c44e0bSRaja Mani 250076a9fbe2SKalle Valo case ATH6KL_STATE_DEEPSLEEP: 250140abc2deSRaja Mani ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep resume\n"); 250240abc2deSRaja Mani 250340abc2deSRaja Mani ret = ath6kl_cfg80211_deepsleep_resume(ar); 250476a9fbe2SKalle Valo if (ret) { 250540abc2deSRaja Mani ath6kl_warn("deep sleep resume failed: %d\n", ret); 250640abc2deSRaja Mani return ret; 250776a9fbe2SKalle Valo } 250876a9fbe2SKalle Valo break; 250976a9fbe2SKalle Valo 2510b4b2a0b1SKalle Valo case ATH6KL_STATE_CUTPOWER: 2511b4b2a0b1SKalle Valo ath6kl_dbg(ATH6KL_DBG_SUSPEND, "resume restoring power\n"); 2512b4b2a0b1SKalle Valo 2513b4b2a0b1SKalle Valo ret = ath6kl_init_hw_start(ar); 2514b4b2a0b1SKalle Valo if (ret) { 2515b4b2a0b1SKalle Valo ath6kl_warn("Failed to boot hw in resume: %d\n", ret); 2516b4b2a0b1SKalle Valo return ret; 2517b4b2a0b1SKalle Valo } 2518d7c44e0bSRaja Mani break; 2519b4b2a0b1SKalle Valo 252076a9fbe2SKalle Valo default: 252176a9fbe2SKalle Valo break; 252252d81a68SKalle Valo } 252352d81a68SKalle Valo 252452d81a68SKalle Valo return 0; 252552d81a68SKalle Valo } 2526d6a434d6SKalle Valo EXPORT_SYMBOL(ath6kl_cfg80211_resume); 252752d81a68SKalle Valo 2528abcb344bSKalle Valo #ifdef CONFIG_PM 252952d81a68SKalle Valo 253052d81a68SKalle Valo /* hif layer decides what suspend mode to use */ 253152d81a68SKalle Valo static int __ath6kl_cfg80211_suspend(struct wiphy *wiphy, 2532abcb344bSKalle Valo struct cfg80211_wowlan *wow) 2533abcb344bSKalle Valo { 2534abcb344bSKalle Valo struct ath6kl *ar = wiphy_priv(wiphy); 2535abcb344bSKalle Valo 253684caf800SVasanthakumar Thiagarajan ath6kl_recovery_suspend(ar); 253784caf800SVasanthakumar Thiagarajan 25380f60e9f4SRaja Mani return ath6kl_hif_suspend(ar, wow); 2539abcb344bSKalle Valo } 2540aa6cffc1SChilam Ng 254152d81a68SKalle Valo static int __ath6kl_cfg80211_resume(struct wiphy *wiphy) 2542aa6cffc1SChilam Ng { 2543aa6cffc1SChilam Ng struct ath6kl *ar = wiphy_priv(wiphy); 254484caf800SVasanthakumar Thiagarajan int err; 2545aa6cffc1SChilam Ng 254684caf800SVasanthakumar Thiagarajan err = ath6kl_hif_resume(ar); 254784caf800SVasanthakumar Thiagarajan if (err) 254884caf800SVasanthakumar Thiagarajan return err; 254984caf800SVasanthakumar Thiagarajan 255092332993SVasanthakumar Thiagarajan ath6kl_recovery_resume(ar); 255184caf800SVasanthakumar Thiagarajan 255284caf800SVasanthakumar Thiagarajan return 0; 2553aa6cffc1SChilam Ng } 2554a918fb3cSRaja Mani 2555a918fb3cSRaja Mani /* 2556a918fb3cSRaja Mani * FIXME: WOW suspend mode is selected if the host sdio controller supports 2557a918fb3cSRaja Mani * both sdio irq wake up and keep power. The target pulls sdio data line to 2558a918fb3cSRaja Mani * wake up the host when WOW pattern matches. This causes sdio irq handler 2559a918fb3cSRaja Mani * is being called in the host side which internally hits ath6kl's RX path. 2560a918fb3cSRaja Mani * 2561a918fb3cSRaja Mani * Since sdio interrupt is not disabled, RX path executes even before 2562a918fb3cSRaja Mani * the host executes the actual resume operation from PM module. 2563a918fb3cSRaja Mani * 2564a918fb3cSRaja Mani * In the current scenario, WOW resume should happen before start processing 2565a918fb3cSRaja Mani * any data from the target. So It's required to perform WOW resume in RX path. 2566a918fb3cSRaja Mani * Ideally we should perform WOW resume only in the actual platform 2567a918fb3cSRaja Mani * resume path. This area needs bit rework to avoid WOW resume in RX path. 2568a918fb3cSRaja Mani * 2569a918fb3cSRaja Mani * ath6kl_check_wow_status() is called from ath6kl_rx(). 2570a918fb3cSRaja Mani */ 2571a918fb3cSRaja Mani void ath6kl_check_wow_status(struct ath6kl *ar) 2572a918fb3cSRaja Mani { 2573390a8c8fSRaja Mani if (ar->state == ATH6KL_STATE_SUSPENDING) 2574390a8c8fSRaja Mani return; 2575390a8c8fSRaja Mani 2576a918fb3cSRaja Mani if (ar->state == ATH6KL_STATE_WOW) 2577a918fb3cSRaja Mani ath6kl_cfg80211_resume(ar); 2578a918fb3cSRaja Mani } 2579a918fb3cSRaja Mani 2580a918fb3cSRaja Mani #else 2581a918fb3cSRaja Mani 2582a918fb3cSRaja Mani void ath6kl_check_wow_status(struct ath6kl *ar) 2583a918fb3cSRaja Mani { 2584a918fb3cSRaja Mani } 2585abcb344bSKalle Valo #endif 2586abcb344bSKalle Valo 2587df90b369SVasanthakumar Thiagarajan static int ath6kl_set_htcap(struct ath6kl_vif *vif, enum ieee80211_band band, 2588df90b369SVasanthakumar Thiagarajan bool ht_enable) 25896a7c9badSJouni Malinen { 259067b3f129SKiran Reddy struct ath6kl_htcap *htcap = &vif->htcap[band]; 2591e68f6750SSujith Manoharan 2592df90b369SVasanthakumar Thiagarajan if (htcap->ht_enable == ht_enable) 25936a7c9badSJouni Malinen return 0; 2594df90b369SVasanthakumar Thiagarajan 2595df90b369SVasanthakumar Thiagarajan if (ht_enable) { 2596df90b369SVasanthakumar Thiagarajan /* Set default ht capabilities */ 2597df90b369SVasanthakumar Thiagarajan htcap->ht_enable = true; 2598df90b369SVasanthakumar Thiagarajan htcap->cap_info = (band == IEEE80211_BAND_2GHZ) ? 2599df90b369SVasanthakumar Thiagarajan ath6kl_g_htcap : ath6kl_a_htcap; 2600df90b369SVasanthakumar Thiagarajan htcap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K; 2601df90b369SVasanthakumar Thiagarajan } else /* Disable ht */ 2602df90b369SVasanthakumar Thiagarajan memset(htcap, 0, sizeof(*htcap)); 2603df90b369SVasanthakumar Thiagarajan 2604df90b369SVasanthakumar Thiagarajan return ath6kl_wmi_set_htcap_cmd(vif->ar->wmi, vif->fw_vif_idx, 2605df90b369SVasanthakumar Thiagarajan band, htcap); 26066a7c9badSJouni Malinen } 26076a7c9badSJouni Malinen 260837a2f950SThomas Pedersen static int ath6kl_restore_htcap(struct ath6kl_vif *vif) 260937a2f950SThomas Pedersen { 261037a2f950SThomas Pedersen struct wiphy *wiphy = vif->ar->wiphy; 261137a2f950SThomas Pedersen int band, ret = 0; 261237a2f950SThomas Pedersen 261337a2f950SThomas Pedersen for (band = 0; band < IEEE80211_NUM_BANDS; band++) { 261437a2f950SThomas Pedersen if (!wiphy->bands[band]) 261537a2f950SThomas Pedersen continue; 261637a2f950SThomas Pedersen 261737a2f950SThomas Pedersen ret = ath6kl_set_htcap(vif, band, 261837a2f950SThomas Pedersen wiphy->bands[band]->ht_cap.ht_supported); 261937a2f950SThomas Pedersen if (ret) 262037a2f950SThomas Pedersen return ret; 262137a2f950SThomas Pedersen } 262237a2f950SThomas Pedersen 262337a2f950SThomas Pedersen return ret; 262437a2f950SThomas Pedersen } 262537a2f950SThomas Pedersen 26268bdfbf40SJouni Malinen static bool ath6kl_is_p2p_ie(const u8 *pos) 26278bdfbf40SJouni Malinen { 26288bdfbf40SJouni Malinen return pos[0] == WLAN_EID_VENDOR_SPECIFIC && pos[1] >= 4 && 26298bdfbf40SJouni Malinen pos[2] == 0x50 && pos[3] == 0x6f && 26308bdfbf40SJouni Malinen pos[4] == 0x9a && pos[5] == 0x09; 26318bdfbf40SJouni Malinen } 26328bdfbf40SJouni Malinen 2633334234b5SVasanthakumar Thiagarajan static int ath6kl_set_ap_probe_resp_ies(struct ath6kl_vif *vif, 2634334234b5SVasanthakumar Thiagarajan const u8 *ies, size_t ies_len) 26358bdfbf40SJouni Malinen { 2636334234b5SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 26378bdfbf40SJouni Malinen const u8 *pos; 26388bdfbf40SJouni Malinen u8 *buf = NULL; 26398bdfbf40SJouni Malinen size_t len = 0; 26408bdfbf40SJouni Malinen int ret; 26418bdfbf40SJouni Malinen 26428bdfbf40SJouni Malinen /* 26438bdfbf40SJouni Malinen * Filter out P2P IE(s) since they will be included depending on 26448bdfbf40SJouni Malinen * the Probe Request frame in ath6kl_send_go_probe_resp(). 26458bdfbf40SJouni Malinen */ 26468bdfbf40SJouni Malinen 26478bdfbf40SJouni Malinen if (ies && ies_len) { 26488bdfbf40SJouni Malinen buf = kmalloc(ies_len, GFP_KERNEL); 26498bdfbf40SJouni Malinen if (buf == NULL) 26508bdfbf40SJouni Malinen return -ENOMEM; 26518bdfbf40SJouni Malinen pos = ies; 26528bdfbf40SJouni Malinen while (pos + 1 < ies + ies_len) { 26538bdfbf40SJouni Malinen if (pos + 2 + pos[1] > ies + ies_len) 26548bdfbf40SJouni Malinen break; 26558bdfbf40SJouni Malinen if (!ath6kl_is_p2p_ie(pos)) { 26568bdfbf40SJouni Malinen memcpy(buf + len, pos, 2 + pos[1]); 26578bdfbf40SJouni Malinen len += 2 + pos[1]; 26588bdfbf40SJouni Malinen } 26598bdfbf40SJouni Malinen pos += 2 + pos[1]; 26608bdfbf40SJouni Malinen } 26618bdfbf40SJouni Malinen } 26628bdfbf40SJouni Malinen 2663334234b5SVasanthakumar Thiagarajan ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 2664334234b5SVasanthakumar Thiagarajan WMI_FRAME_PROBE_RESP, buf, len); 26658bdfbf40SJouni Malinen kfree(buf); 26668bdfbf40SJouni Malinen return ret; 26678bdfbf40SJouni Malinen } 26688bdfbf40SJouni Malinen 26698860020eSJohannes Berg static int ath6kl_set_ies(struct ath6kl_vif *vif, 26708860020eSJohannes Berg struct cfg80211_beacon_data *info) 26718860020eSJohannes Berg { 26728860020eSJohannes Berg struct ath6kl *ar = vif->ar; 26738860020eSJohannes Berg int res; 26748860020eSJohannes Berg 267517a7b16dSAarthi Thiruvengadam /* this also clears IE in fw if it's not set */ 26768860020eSJohannes Berg res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 26778860020eSJohannes Berg WMI_FRAME_BEACON, 26788860020eSJohannes Berg info->beacon_ies, 26798860020eSJohannes Berg info->beacon_ies_len); 26808860020eSJohannes Berg if (res) 26818860020eSJohannes Berg return res; 26828860020eSJohannes Berg 268317a7b16dSAarthi Thiruvengadam /* this also clears IE in fw if it's not set */ 26848860020eSJohannes Berg res = ath6kl_set_ap_probe_resp_ies(vif, info->proberesp_ies, 26858860020eSJohannes Berg info->proberesp_ies_len); 26868860020eSJohannes Berg if (res) 26878860020eSJohannes Berg return res; 26888860020eSJohannes Berg 268917a7b16dSAarthi Thiruvengadam /* this also clears IE in fw if it's not set */ 26908860020eSJohannes Berg res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 26918860020eSJohannes Berg WMI_FRAME_ASSOC_RESP, 26928860020eSJohannes Berg info->assocresp_ies, 26938860020eSJohannes Berg info->assocresp_ies_len); 26948860020eSJohannes Berg if (res) 26958860020eSJohannes Berg return res; 26968860020eSJohannes Berg 26978860020eSJohannes Berg return 0; 26988860020eSJohannes Berg } 26998860020eSJohannes Berg 2700d97c121bSVasanthakumar Thiagarajan static int ath6kl_get_rsn_capab(struct cfg80211_beacon_data *beacon, 2701d97c121bSVasanthakumar Thiagarajan u8 *rsn_capab) 2702d97c121bSVasanthakumar Thiagarajan { 2703d97c121bSVasanthakumar Thiagarajan const u8 *rsn_ie; 2704d97c121bSVasanthakumar Thiagarajan size_t rsn_ie_len; 2705d97c121bSVasanthakumar Thiagarajan u16 cnt; 2706d97c121bSVasanthakumar Thiagarajan 2707d97c121bSVasanthakumar Thiagarajan if (!beacon->tail) 2708d97c121bSVasanthakumar Thiagarajan return -EINVAL; 2709d97c121bSVasanthakumar Thiagarajan 2710d97c121bSVasanthakumar Thiagarajan rsn_ie = cfg80211_find_ie(WLAN_EID_RSN, beacon->tail, beacon->tail_len); 2711d97c121bSVasanthakumar Thiagarajan if (!rsn_ie) 2712d97c121bSVasanthakumar Thiagarajan return -EINVAL; 2713d97c121bSVasanthakumar Thiagarajan 2714d97c121bSVasanthakumar Thiagarajan rsn_ie_len = *(rsn_ie + 1); 2715d97c121bSVasanthakumar Thiagarajan /* skip element id and length */ 2716d97c121bSVasanthakumar Thiagarajan rsn_ie += 2; 2717d97c121bSVasanthakumar Thiagarajan 27189e8b16dbSVasanthakumar Thiagarajan /* skip version */ 27199e8b16dbSVasanthakumar Thiagarajan if (rsn_ie_len < 2) 2720d97c121bSVasanthakumar Thiagarajan return -EINVAL; 27219e8b16dbSVasanthakumar Thiagarajan rsn_ie += 2; 27229e8b16dbSVasanthakumar Thiagarajan rsn_ie_len -= 2; 27239e8b16dbSVasanthakumar Thiagarajan 27249e8b16dbSVasanthakumar Thiagarajan /* skip group cipher suite */ 27259e8b16dbSVasanthakumar Thiagarajan if (rsn_ie_len < 4) 27269e8b16dbSVasanthakumar Thiagarajan return 0; 27279e8b16dbSVasanthakumar Thiagarajan rsn_ie += 4; 27289e8b16dbSVasanthakumar Thiagarajan rsn_ie_len -= 4; 2729d97c121bSVasanthakumar Thiagarajan 2730d97c121bSVasanthakumar Thiagarajan /* skip pairwise cipher suite */ 2731d97c121bSVasanthakumar Thiagarajan if (rsn_ie_len < 2) 27329e8b16dbSVasanthakumar Thiagarajan return 0; 2733798985c6SVasanthakumar Thiagarajan cnt = get_unaligned_le16(rsn_ie); 2734d97c121bSVasanthakumar Thiagarajan rsn_ie += (2 + cnt * 4); 2735d97c121bSVasanthakumar Thiagarajan rsn_ie_len -= (2 + cnt * 4); 2736d97c121bSVasanthakumar Thiagarajan 2737d97c121bSVasanthakumar Thiagarajan /* skip akm suite */ 2738d97c121bSVasanthakumar Thiagarajan if (rsn_ie_len < 2) 27399e8b16dbSVasanthakumar Thiagarajan return 0; 2740798985c6SVasanthakumar Thiagarajan cnt = get_unaligned_le16(rsn_ie); 2741d97c121bSVasanthakumar Thiagarajan rsn_ie += (2 + cnt * 4); 2742d97c121bSVasanthakumar Thiagarajan rsn_ie_len -= (2 + cnt * 4); 2743d97c121bSVasanthakumar Thiagarajan 2744d97c121bSVasanthakumar Thiagarajan if (rsn_ie_len < 2) 27459e8b16dbSVasanthakumar Thiagarajan return 0; 2746d97c121bSVasanthakumar Thiagarajan 2747d97c121bSVasanthakumar Thiagarajan memcpy(rsn_capab, rsn_ie, 2); 2748d97c121bSVasanthakumar Thiagarajan 2749d97c121bSVasanthakumar Thiagarajan return 0; 2750d97c121bSVasanthakumar Thiagarajan } 2751d97c121bSVasanthakumar Thiagarajan 27528860020eSJohannes Berg static int ath6kl_start_ap(struct wiphy *wiphy, struct net_device *dev, 27538860020eSJohannes Berg struct cfg80211_ap_settings *info) 27546a7c9badSJouni Malinen { 27556a7c9badSJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 27563450334fSVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 27576a7c9badSJouni Malinen struct ieee80211_mgmt *mgmt; 275867cd22e4SThomas Pedersen bool hidden = false; 27596a7c9badSJouni Malinen u8 *ies; 27606a7c9badSJouni Malinen int ies_len; 27616a7c9badSJouni Malinen struct wmi_connect_cmd p; 27626a7c9badSJouni Malinen int res; 2763be5abaafSVasanthakumar Thiagarajan int i, ret; 2764d97c121bSVasanthakumar Thiagarajan u16 rsn_capab = 0; 27657ac25eacSMohammed Shafi Shajakhan int inactivity_timeout = 0; 27666a7c9badSJouni Malinen 27678860020eSJohannes Berg ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s:\n", __func__); 27686a7c9badSJouni Malinen 2769990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 27706a7c9badSJouni Malinen return -EIO; 27716a7c9badSJouni Malinen 2772f5938f24SVasanthakumar Thiagarajan if (vif->next_mode != AP_NETWORK) 27736a7c9badSJouni Malinen return -EOPNOTSUPP; 27746a7c9badSJouni Malinen 27758860020eSJohannes Berg res = ath6kl_set_ies(vif, &info->beacon); 27766a7c9badSJouni Malinen 27779a5b1318SJouni Malinen ar->ap_mode_bkey.valid = false; 27789a5b1318SJouni Malinen 2779eb922e4bSMohammed Shafi Shajakhan ret = ath6kl_wmi_ap_set_beacon_intvl_cmd(ar->wmi, vif->fw_vif_idx, 2780eb922e4bSMohammed Shafi Shajakhan info->beacon_interval); 2781eb922e4bSMohammed Shafi Shajakhan 2782eb922e4bSMohammed Shafi Shajakhan if (ret) 2783eb922e4bSMohammed Shafi Shajakhan ath6kl_warn("Failed to set beacon interval: %d\n", ret); 27846a7c9badSJouni Malinen 2785d154f32eSEtay Luz ret = ath6kl_wmi_ap_set_dtim_cmd(ar->wmi, vif->fw_vif_idx, 2786d154f32eSEtay Luz info->dtim_period); 2787d154f32eSEtay Luz 2788d154f32eSEtay Luz /* ignore error, just print a warning and continue normally */ 2789d154f32eSEtay Luz if (ret) 2790d154f32eSEtay Luz ath6kl_warn("Failed to set dtim_period in beacon: %d\n", ret); 2791d154f32eSEtay Luz 27928860020eSJohannes Berg if (info->beacon.head == NULL) 27936a7c9badSJouni Malinen return -EINVAL; 27948860020eSJohannes Berg mgmt = (struct ieee80211_mgmt *) info->beacon.head; 27956a7c9badSJouni Malinen ies = mgmt->u.beacon.variable; 27968860020eSJohannes Berg if (ies > info->beacon.head + info->beacon.head_len) 27976a7c9badSJouni Malinen return -EINVAL; 27988860020eSJohannes Berg ies_len = info->beacon.head + info->beacon.head_len - ies; 27996a7c9badSJouni Malinen 28006a7c9badSJouni Malinen if (info->ssid == NULL) 28016a7c9badSJouni Malinen return -EINVAL; 28023450334fSVasanthakumar Thiagarajan memcpy(vif->ssid, info->ssid, info->ssid_len); 28033450334fSVasanthakumar Thiagarajan vif->ssid_len = info->ssid_len; 28046a7c9badSJouni Malinen if (info->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE) 280567cd22e4SThomas Pedersen hidden = true; 280667cd22e4SThomas Pedersen 280767cd22e4SThomas Pedersen res = ath6kl_wmi_ap_hidden_ssid(ar->wmi, vif->fw_vif_idx, hidden); 280867cd22e4SThomas Pedersen if (res) 280967cd22e4SThomas Pedersen return res; 28106a7c9badSJouni Malinen 2811be5abaafSVasanthakumar Thiagarajan ret = ath6kl_set_auth_type(vif, info->auth_type); 2812be5abaafSVasanthakumar Thiagarajan if (ret) 2813be5abaafSVasanthakumar Thiagarajan return ret; 28146a7c9badSJouni Malinen 28156a7c9badSJouni Malinen memset(&p, 0, sizeof(p)); 28166a7c9badSJouni Malinen 28176a7c9badSJouni Malinen for (i = 0; i < info->crypto.n_akm_suites; i++) { 28186a7c9badSJouni Malinen switch (info->crypto.akm_suites[i]) { 28196a7c9badSJouni Malinen case WLAN_AKM_SUITE_8021X: 28206a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1) 28216a7c9badSJouni Malinen p.auth_mode |= WPA_AUTH; 28226a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2) 28236a7c9badSJouni Malinen p.auth_mode |= WPA2_AUTH; 28246a7c9badSJouni Malinen break; 28256a7c9badSJouni Malinen case WLAN_AKM_SUITE_PSK: 28266a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1) 28276a7c9badSJouni Malinen p.auth_mode |= WPA_PSK_AUTH; 28286a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2) 28296a7c9badSJouni Malinen p.auth_mode |= WPA2_PSK_AUTH; 28306a7c9badSJouni Malinen break; 28316a7c9badSJouni Malinen } 28326a7c9badSJouni Malinen } 28336a7c9badSJouni Malinen if (p.auth_mode == 0) 28346a7c9badSJouni Malinen p.auth_mode = NONE_AUTH; 28353450334fSVasanthakumar Thiagarajan vif->auth_mode = p.auth_mode; 28366a7c9badSJouni Malinen 28376a7c9badSJouni Malinen for (i = 0; i < info->crypto.n_ciphers_pairwise; i++) { 28386a7c9badSJouni Malinen switch (info->crypto.ciphers_pairwise[i]) { 28396a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP40: 28406a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP104: 28416a7c9badSJouni Malinen p.prwise_crypto_type |= WEP_CRYPT; 28426a7c9badSJouni Malinen break; 28436a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_TKIP: 28446a7c9badSJouni Malinen p.prwise_crypto_type |= TKIP_CRYPT; 28456a7c9badSJouni Malinen break; 28466a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_CCMP: 28476a7c9badSJouni Malinen p.prwise_crypto_type |= AES_CRYPT; 28486a7c9badSJouni Malinen break; 2849b8214df1SDai Shuibing case WLAN_CIPHER_SUITE_SMS4: 2850b8214df1SDai Shuibing p.prwise_crypto_type |= WAPI_CRYPT; 2851b8214df1SDai Shuibing break; 28526a7c9badSJouni Malinen } 28536a7c9badSJouni Malinen } 2854229ed6b5SEdward Lu if (p.prwise_crypto_type == 0) { 28556a7c9badSJouni Malinen p.prwise_crypto_type = NONE_CRYPT; 2856240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, 0, true); 2857229ed6b5SEdward Lu } else if (info->crypto.n_ciphers_pairwise == 1) 2858240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, info->crypto.ciphers_pairwise[0], true); 28596a7c9badSJouni Malinen 28606a7c9badSJouni Malinen switch (info->crypto.cipher_group) { 28616a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP40: 28626a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP104: 28636a7c9badSJouni Malinen p.grp_crypto_type = WEP_CRYPT; 28646a7c9badSJouni Malinen break; 28656a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_TKIP: 28666a7c9badSJouni Malinen p.grp_crypto_type = TKIP_CRYPT; 28676a7c9badSJouni Malinen break; 28686a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_CCMP: 28696a7c9badSJouni Malinen p.grp_crypto_type = AES_CRYPT; 28706a7c9badSJouni Malinen break; 2871b8214df1SDai Shuibing case WLAN_CIPHER_SUITE_SMS4: 2872b8214df1SDai Shuibing p.grp_crypto_type = WAPI_CRYPT; 2873b8214df1SDai Shuibing break; 28746a7c9badSJouni Malinen default: 28756a7c9badSJouni Malinen p.grp_crypto_type = NONE_CRYPT; 28766a7c9badSJouni Malinen break; 28776a7c9badSJouni Malinen } 2878240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, info->crypto.cipher_group, false); 28796a7c9badSJouni Malinen 28806a7c9badSJouni Malinen p.nw_type = AP_NETWORK; 2881f5938f24SVasanthakumar Thiagarajan vif->nw_type = vif->next_mode; 28826a7c9badSJouni Malinen 28833450334fSVasanthakumar Thiagarajan p.ssid_len = vif->ssid_len; 28843450334fSVasanthakumar Thiagarajan memcpy(p.ssid, vif->ssid, vif->ssid_len); 28853450334fSVasanthakumar Thiagarajan p.dot11_auth_mode = vif->dot11_auth_mode; 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 29057ac25eacSMohammed Shafi Shajakhan inactivity_timeout = info->inactivity_timeout; 29067ac25eacSMohammed Shafi Shajakhan 29077ac25eacSMohammed Shafi Shajakhan if (ar->hw.flags & ATH6KL_HW_AP_INACTIVITY_MINS) 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, 298233e5308dSJouni Malinen u8 *mac) 298333e5308dSJouni Malinen { 298433e5308dSJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 298533e5308dSJouni Malinen struct ath6kl_vif *vif = netdev_priv(dev); 298633e5308dSJouni Malinen const u8 *addr = mac ? 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, 299323875136SJouni Malinen u8 *mac, struct station_parameters *params) 299423875136SJouni Malinen { 299523875136SJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 2996f5938f24SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 299777ee7c89SJohannes Berg int err; 299823875136SJouni Malinen 2999f5938f24SVasanthakumar Thiagarajan if (vif->nw_type != AP_NETWORK) 300023875136SJouni Malinen return -EOPNOTSUPP; 300123875136SJouni Malinen 300277ee7c89SJohannes Berg err = cfg80211_check_station_change(wiphy, params, 300377ee7c89SJohannes Berg CFG80211_STA_AP_MLME_CLIENT); 300477ee7c89SJohannes Berg if (err) 300577ee7c89SJohannes Berg return err; 300623875136SJouni Malinen 300723875136SJouni Malinen if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED)) 3008334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, 3009334234b5SVasanthakumar Thiagarajan WMI_AP_MLME_AUTHORIZE, mac, 0); 3010334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, 3011334234b5SVasanthakumar Thiagarajan WMI_AP_MLME_UNAUTHORIZE, mac, 0); 301223875136SJouni Malinen } 301323875136SJouni Malinen 301463fa1e0cSJouni Malinen static int ath6kl_remain_on_channel(struct wiphy *wiphy, 301571bbc994SJohannes Berg struct wireless_dev *wdev, 301663fa1e0cSJouni Malinen struct ieee80211_channel *chan, 301763fa1e0cSJouni Malinen unsigned int duration, 301863fa1e0cSJouni Malinen u64 *cookie) 301963fa1e0cSJouni Malinen { 302071bbc994SJohannes Berg struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); 302171bbc994SJohannes Berg struct ath6kl *ar = ath6kl_priv(vif->ndev); 30221052261eSJouni Malinen u32 id; 302363fa1e0cSJouni Malinen 302463fa1e0cSJouni Malinen /* TODO: if already pending or ongoing remain-on-channel, 302563fa1e0cSJouni Malinen * return -EBUSY */ 30261052261eSJouni Malinen id = ++vif->last_roc_id; 30271052261eSJouni Malinen if (id == 0) { 30281052261eSJouni Malinen /* Do not use 0 as the cookie value */ 30291052261eSJouni Malinen id = ++vif->last_roc_id; 30301052261eSJouni Malinen } 30311052261eSJouni Malinen *cookie = id; 303263fa1e0cSJouni Malinen 3033334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx, 3034334234b5SVasanthakumar Thiagarajan chan->center_freq, duration); 303563fa1e0cSJouni Malinen } 303663fa1e0cSJouni Malinen 303763fa1e0cSJouni Malinen static int ath6kl_cancel_remain_on_channel(struct wiphy *wiphy, 303871bbc994SJohannes Berg struct wireless_dev *wdev, 303963fa1e0cSJouni Malinen u64 cookie) 304063fa1e0cSJouni Malinen { 304171bbc994SJohannes Berg struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); 304271bbc994SJohannes Berg struct ath6kl *ar = ath6kl_priv(vif->ndev); 304363fa1e0cSJouni Malinen 30441052261eSJouni Malinen if (cookie != vif->last_roc_id) 304563fa1e0cSJouni Malinen return -ENOENT; 30461052261eSJouni Malinen vif->last_cancel_roc_id = cookie; 304763fa1e0cSJouni Malinen 3048334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_cancel_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx); 304963fa1e0cSJouni Malinen } 305063fa1e0cSJouni Malinen 3051334234b5SVasanthakumar Thiagarajan static int ath6kl_send_go_probe_resp(struct ath6kl_vif *vif, 3052334234b5SVasanthakumar Thiagarajan const u8 *buf, size_t len, 3053334234b5SVasanthakumar Thiagarajan unsigned int freq) 30548bdfbf40SJouni Malinen { 3055334234b5SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 30568bdfbf40SJouni Malinen const u8 *pos; 30578bdfbf40SJouni Malinen u8 *p2p; 30588bdfbf40SJouni Malinen int p2p_len; 30598bdfbf40SJouni Malinen int ret; 30608bdfbf40SJouni Malinen const struct ieee80211_mgmt *mgmt; 30618bdfbf40SJouni Malinen 30628bdfbf40SJouni Malinen mgmt = (const struct ieee80211_mgmt *) buf; 30638bdfbf40SJouni Malinen 30648bdfbf40SJouni Malinen /* Include P2P IE(s) from the frame generated in user space. */ 30658bdfbf40SJouni Malinen 30668bdfbf40SJouni Malinen p2p = kmalloc(len, GFP_KERNEL); 30678bdfbf40SJouni Malinen if (p2p == NULL) 30688bdfbf40SJouni Malinen return -ENOMEM; 30698bdfbf40SJouni Malinen p2p_len = 0; 30708bdfbf40SJouni Malinen 30718bdfbf40SJouni Malinen pos = mgmt->u.probe_resp.variable; 30728bdfbf40SJouni Malinen while (pos + 1 < buf + len) { 30738bdfbf40SJouni Malinen if (pos + 2 + pos[1] > buf + len) 30748bdfbf40SJouni Malinen break; 30758bdfbf40SJouni Malinen if (ath6kl_is_p2p_ie(pos)) { 30768bdfbf40SJouni Malinen memcpy(p2p + p2p_len, pos, 2 + pos[1]); 30778bdfbf40SJouni Malinen p2p_len += 2 + pos[1]; 30788bdfbf40SJouni Malinen } 30798bdfbf40SJouni Malinen pos += 2 + pos[1]; 30808bdfbf40SJouni Malinen } 30818bdfbf40SJouni Malinen 3082334234b5SVasanthakumar Thiagarajan ret = ath6kl_wmi_send_probe_response_cmd(ar->wmi, vif->fw_vif_idx, freq, 3083334234b5SVasanthakumar Thiagarajan mgmt->da, p2p, p2p_len); 30848bdfbf40SJouni Malinen kfree(p2p); 30858bdfbf40SJouni Malinen return ret; 30868bdfbf40SJouni Malinen } 30878bdfbf40SJouni Malinen 3088d0ff7383SNaveen Gangadharan static bool ath6kl_mgmt_powersave_ap(struct ath6kl_vif *vif, 3089d0ff7383SNaveen Gangadharan u32 id, 3090d0ff7383SNaveen Gangadharan u32 freq, 3091d0ff7383SNaveen Gangadharan u32 wait, 3092d0ff7383SNaveen Gangadharan const u8 *buf, 3093d0ff7383SNaveen Gangadharan size_t len, 3094d0ff7383SNaveen Gangadharan bool *more_data, 3095d0ff7383SNaveen Gangadharan bool no_cck) 3096d0ff7383SNaveen Gangadharan { 3097d0ff7383SNaveen Gangadharan struct ieee80211_mgmt *mgmt; 3098d0ff7383SNaveen Gangadharan struct ath6kl_sta *conn; 3099d0ff7383SNaveen Gangadharan bool is_psq_empty = false; 3100d0ff7383SNaveen Gangadharan struct ath6kl_mgmt_buff *mgmt_buf; 3101d0ff7383SNaveen Gangadharan size_t mgmt_buf_size; 3102d0ff7383SNaveen Gangadharan struct ath6kl *ar = vif->ar; 3103d0ff7383SNaveen Gangadharan 3104d0ff7383SNaveen Gangadharan mgmt = (struct ieee80211_mgmt *) buf; 3105d0ff7383SNaveen Gangadharan if (is_multicast_ether_addr(mgmt->da)) 3106d0ff7383SNaveen Gangadharan return false; 3107d0ff7383SNaveen Gangadharan 3108d0ff7383SNaveen Gangadharan conn = ath6kl_find_sta(vif, mgmt->da); 3109d0ff7383SNaveen Gangadharan if (!conn) 3110d0ff7383SNaveen Gangadharan return false; 3111d0ff7383SNaveen Gangadharan 3112d0ff7383SNaveen Gangadharan if (conn->sta_flags & STA_PS_SLEEP) { 3113d0ff7383SNaveen Gangadharan if (!(conn->sta_flags & STA_PS_POLLED)) { 3114d0ff7383SNaveen Gangadharan /* Queue the frames if the STA is sleeping */ 3115d0ff7383SNaveen Gangadharan mgmt_buf_size = len + sizeof(struct ath6kl_mgmt_buff); 3116d0ff7383SNaveen Gangadharan mgmt_buf = kmalloc(mgmt_buf_size, GFP_KERNEL); 3117d0ff7383SNaveen Gangadharan if (!mgmt_buf) 3118d0ff7383SNaveen Gangadharan return false; 3119d0ff7383SNaveen Gangadharan 3120d0ff7383SNaveen Gangadharan INIT_LIST_HEAD(&mgmt_buf->list); 3121d0ff7383SNaveen Gangadharan mgmt_buf->id = id; 3122d0ff7383SNaveen Gangadharan mgmt_buf->freq = freq; 3123d0ff7383SNaveen Gangadharan mgmt_buf->wait = wait; 3124d0ff7383SNaveen Gangadharan mgmt_buf->len = len; 3125d0ff7383SNaveen Gangadharan mgmt_buf->no_cck = no_cck; 3126d0ff7383SNaveen Gangadharan memcpy(mgmt_buf->buf, buf, len); 3127d0ff7383SNaveen Gangadharan spin_lock_bh(&conn->psq_lock); 3128d0ff7383SNaveen Gangadharan is_psq_empty = skb_queue_empty(&conn->psq) && 3129d0ff7383SNaveen Gangadharan (conn->mgmt_psq_len == 0); 3130d0ff7383SNaveen Gangadharan list_add_tail(&mgmt_buf->list, &conn->mgmt_psq); 3131d0ff7383SNaveen Gangadharan conn->mgmt_psq_len++; 3132d0ff7383SNaveen Gangadharan spin_unlock_bh(&conn->psq_lock); 3133d0ff7383SNaveen Gangadharan 3134d0ff7383SNaveen Gangadharan /* 3135d0ff7383SNaveen Gangadharan * If this is the first pkt getting queued 3136d0ff7383SNaveen Gangadharan * for this STA, update the PVB for this 3137d0ff7383SNaveen Gangadharan * STA. 3138d0ff7383SNaveen Gangadharan */ 3139d0ff7383SNaveen Gangadharan if (is_psq_empty) 3140d0ff7383SNaveen Gangadharan ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx, 3141d0ff7383SNaveen Gangadharan conn->aid, 1); 3142d0ff7383SNaveen Gangadharan return true; 3143d0ff7383SNaveen Gangadharan } 3144d0ff7383SNaveen Gangadharan 3145d0ff7383SNaveen Gangadharan /* 3146d0ff7383SNaveen Gangadharan * This tx is because of a PsPoll. 3147d0ff7383SNaveen Gangadharan * Determine if MoreData bit has to be set. 3148d0ff7383SNaveen Gangadharan */ 3149d0ff7383SNaveen Gangadharan spin_lock_bh(&conn->psq_lock); 3150d0ff7383SNaveen Gangadharan if (!skb_queue_empty(&conn->psq) || (conn->mgmt_psq_len != 0)) 3151d0ff7383SNaveen Gangadharan *more_data = true; 3152d0ff7383SNaveen Gangadharan spin_unlock_bh(&conn->psq_lock); 3153d0ff7383SNaveen Gangadharan } 3154d0ff7383SNaveen Gangadharan 3155d0ff7383SNaveen Gangadharan return false; 3156d0ff7383SNaveen Gangadharan } 3157d0ff7383SNaveen Gangadharan 3158c86e4f44SAarthi Thiruvengadam /* Check if SSID length is greater than DIRECT- */ 3159c86e4f44SAarthi Thiruvengadam static bool ath6kl_is_p2p_go_ssid(const u8 *buf, size_t len) 3160c86e4f44SAarthi Thiruvengadam { 3161c86e4f44SAarthi Thiruvengadam const struct ieee80211_mgmt *mgmt; 3162c86e4f44SAarthi Thiruvengadam mgmt = (const struct ieee80211_mgmt *) buf; 3163c86e4f44SAarthi Thiruvengadam 3164c86e4f44SAarthi Thiruvengadam /* variable[1] contains the SSID tag length */ 3165c86e4f44SAarthi Thiruvengadam if (buf + len >= &mgmt->u.probe_resp.variable[1] && 3166c86e4f44SAarthi Thiruvengadam (mgmt->u.probe_resp.variable[1] > P2P_WILDCARD_SSID_LEN)) { 3167c86e4f44SAarthi Thiruvengadam return true; 3168c86e4f44SAarthi Thiruvengadam } 3169c86e4f44SAarthi Thiruvengadam 3170c86e4f44SAarthi Thiruvengadam return false; 3171c86e4f44SAarthi Thiruvengadam } 3172c86e4f44SAarthi Thiruvengadam 317371bbc994SJohannes Berg static int ath6kl_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, 3174b176e629SAndrei Otcheretianski struct cfg80211_mgmt_tx_params *params, u64 *cookie) 31758a6c8060SJouni Malinen { 317671bbc994SJohannes Berg struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); 317771bbc994SJohannes Berg struct ath6kl *ar = ath6kl_priv(vif->ndev); 3178b176e629SAndrei Otcheretianski struct ieee80211_channel *chan = params->chan; 3179b176e629SAndrei Otcheretianski const u8 *buf = params->buf; 3180b176e629SAndrei Otcheretianski size_t len = params->len; 3181b176e629SAndrei Otcheretianski unsigned int wait = params->wait; 3182b176e629SAndrei Otcheretianski bool no_cck = params->no_cck; 3183bfd634d0SAntonio Quartulli u32 id, freq; 31848bdfbf40SJouni Malinen const struct ieee80211_mgmt *mgmt; 3185d0ff7383SNaveen Gangadharan bool more_data, queued; 31868bdfbf40SJouni Malinen 3187bfd634d0SAntonio Quartulli /* default to the current channel, but use the one specified as argument 3188bfd634d0SAntonio Quartulli * if any 3189bfd634d0SAntonio Quartulli */ 3190bfd634d0SAntonio Quartulli freq = vif->ch_hint; 3191bfd634d0SAntonio Quartulli if (chan) 3192bfd634d0SAntonio Quartulli freq = chan->center_freq; 3193bfd634d0SAntonio Quartulli 3194bfd634d0SAntonio Quartulli /* never send freq zero to the firmware */ 3195bfd634d0SAntonio Quartulli if (WARN_ON(freq == 0)) 3196bfd634d0SAntonio Quartulli return -EINVAL; 3197bfd634d0SAntonio Quartulli 31988bdfbf40SJouni Malinen mgmt = (const struct ieee80211_mgmt *) buf; 3199c86e4f44SAarthi Thiruvengadam if (vif->nw_type == AP_NETWORK && test_bit(CONNECTED, &vif->flags) && 3200c86e4f44SAarthi Thiruvengadam ieee80211_is_probe_resp(mgmt->frame_control) && 3201c86e4f44SAarthi Thiruvengadam ath6kl_is_p2p_go_ssid(buf, len)) { 32028bdfbf40SJouni Malinen /* 3203c86e4f44SAarthi Thiruvengadam * Send Probe Response frame in GO mode using a separate WMI 32048bdfbf40SJouni Malinen * command to allow the target to fill in the generic IEs. 32058bdfbf40SJouni Malinen */ 32068bdfbf40SJouni Malinen *cookie = 0; /* TX status not supported */ 3207bfd634d0SAntonio Quartulli return ath6kl_send_go_probe_resp(vif, buf, len, freq); 32088bdfbf40SJouni Malinen } 32098a6c8060SJouni Malinen 3210cf5333d7SVasanthakumar Thiagarajan id = vif->send_action_id++; 32118a6c8060SJouni Malinen if (id == 0) { 32128a6c8060SJouni Malinen /* 32138a6c8060SJouni Malinen * 0 is a reserved value in the WMI command and shall not be 32148a6c8060SJouni Malinen * used for the command. 32158a6c8060SJouni Malinen */ 3216cf5333d7SVasanthakumar Thiagarajan id = vif->send_action_id++; 32178a6c8060SJouni Malinen } 32188a6c8060SJouni Malinen 32198a6c8060SJouni Malinen *cookie = id; 32203ca9d1fcSAarthi Thiruvengadam 3221d0ff7383SNaveen Gangadharan /* AP mode Power saving processing */ 3222d0ff7383SNaveen Gangadharan if (vif->nw_type == AP_NETWORK) { 3223bfd634d0SAntonio Quartulli queued = ath6kl_mgmt_powersave_ap(vif, id, freq, wait, buf, len, 3224bfd634d0SAntonio Quartulli &more_data, no_cck); 3225d0ff7383SNaveen Gangadharan if (queued) 3226d0ff7383SNaveen Gangadharan return 0; 3227d0ff7383SNaveen Gangadharan } 3228d0ff7383SNaveen Gangadharan 3229bfd634d0SAntonio Quartulli return ath6kl_wmi_send_mgmt_cmd(ar->wmi, vif->fw_vif_idx, id, freq, 3230bfd634d0SAntonio Quartulli wait, buf, len, no_cck); 32313ca9d1fcSAarthi Thiruvengadam } 32328a6c8060SJouni Malinen 3233ae32c30aSJouni Malinen static void ath6kl_mgmt_frame_register(struct wiphy *wiphy, 323471bbc994SJohannes Berg struct wireless_dev *wdev, 3235ae32c30aSJouni Malinen u16 frame_type, bool reg) 3236ae32c30aSJouni Malinen { 323771bbc994SJohannes Berg struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); 3238ae32c30aSJouni Malinen 3239ae32c30aSJouni Malinen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: frame_type=0x%x reg=%d\n", 3240ae32c30aSJouni Malinen __func__, frame_type, reg); 3241ae32c30aSJouni Malinen if (frame_type == IEEE80211_STYPE_PROBE_REQ) { 3242ae32c30aSJouni Malinen /* 3243ae32c30aSJouni Malinen * Note: This notification callback is not allowed to sleep, so 3244ae32c30aSJouni Malinen * we cannot send WMI_PROBE_REQ_REPORT_CMD here. Instead, we 3245ae32c30aSJouni Malinen * hardcode target to report Probe Request frames all the time. 3246ae32c30aSJouni Malinen */ 3247cf5333d7SVasanthakumar Thiagarajan vif->probe_req_report = reg; 3248ae32c30aSJouni Malinen } 3249ae32c30aSJouni Malinen } 3250ae32c30aSJouni Malinen 325110509f90SKalle Valo static int ath6kl_cfg80211_sscan_start(struct wiphy *wiphy, 325210509f90SKalle Valo struct net_device *dev, 325310509f90SKalle Valo struct cfg80211_sched_scan_request *request) 325410509f90SKalle Valo { 325510509f90SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 325610509f90SKalle Valo struct ath6kl_vif *vif = netdev_priv(dev); 325710509f90SKalle Valo u16 interval; 325885b20fc2SThomas Pedersen int ret, rssi_thold; 325910509f90SKalle Valo 326010509f90SKalle Valo if (ar->state != ATH6KL_STATE_ON) 326110509f90SKalle Valo return -EIO; 326210509f90SKalle Valo 326310509f90SKalle Valo if (vif->sme_state != SME_DISCONNECTED) 326410509f90SKalle Valo return -EBUSY; 326510509f90SKalle Valo 3266b4d13d3bSKalle Valo ath6kl_cfg80211_scan_complete_event(vif, true); 3267b4d13d3bSKalle Valo 32683b8ffc6aSJouni Malinen ret = ath6kl_set_probed_ssids(ar, vif, request->ssids, 3269dd45b759SNaveen Singh request->n_ssids, 3270dd45b759SNaveen Singh request->match_sets, 3271dd45b759SNaveen Singh request->n_match_sets); 32723b8ffc6aSJouni Malinen if (ret < 0) 32733b8ffc6aSJouni Malinen return ret; 327410509f90SKalle Valo 3275dd45b759SNaveen Singh if (!request->n_match_sets) { 3276dd45b759SNaveen Singh ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 3277dd45b759SNaveen Singh ALL_BSS_FILTER, 0); 3278dd45b759SNaveen Singh if (ret < 0) 3279dd45b759SNaveen Singh return ret; 3280dd45b759SNaveen Singh } else { 3281dd45b759SNaveen Singh ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 3282dd45b759SNaveen Singh MATCHED_SSID_FILTER, 0); 3283dd45b759SNaveen Singh if (ret < 0) 3284dd45b759SNaveen Singh return ret; 3285dd45b759SNaveen Singh } 3286dd45b759SNaveen Singh 328785b20fc2SThomas Pedersen if (test_bit(ATH6KL_FW_CAPABILITY_RSSI_SCAN_THOLD, 328885b20fc2SThomas Pedersen ar->fw_capabilities)) { 328985b20fc2SThomas Pedersen if (request->rssi_thold <= NL80211_SCAN_RSSI_THOLD_OFF) 329085b20fc2SThomas Pedersen rssi_thold = 0; 329185b20fc2SThomas Pedersen else if (request->rssi_thold < -127) 329285b20fc2SThomas Pedersen rssi_thold = -127; 329385b20fc2SThomas Pedersen else 329485b20fc2SThomas Pedersen rssi_thold = request->rssi_thold; 329585b20fc2SThomas Pedersen 329685b20fc2SThomas Pedersen ret = ath6kl_wmi_set_rssi_filter_cmd(ar->wmi, vif->fw_vif_idx, 329785b20fc2SThomas Pedersen rssi_thold); 329885b20fc2SThomas Pedersen if (ret) { 329985b20fc2SThomas Pedersen ath6kl_err("failed to set RSSI threshold for scan\n"); 330085b20fc2SThomas Pedersen return ret; 330185b20fc2SThomas Pedersen } 330285b20fc2SThomas Pedersen } 330385b20fc2SThomas Pedersen 330410509f90SKalle Valo /* fw uses seconds, also make sure that it's >0 */ 330510509f90SKalle Valo interval = max_t(u16, 1, request->interval / 1000); 330610509f90SKalle Valo 330710509f90SKalle Valo ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 330810509f90SKalle Valo interval, interval, 3309d472b5e4SSubramania Sharma Thandaveswaran vif->bg_scan_period, 0, 0, 0, 3, 0, 0, 0); 331010509f90SKalle Valo 331110509f90SKalle Valo /* this also clears IE in fw if it's not set */ 331210509f90SKalle Valo ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 331310509f90SKalle Valo WMI_FRAME_PROBE_REQ, 331410509f90SKalle Valo request->ie, request->ie_len); 331510509f90SKalle Valo if (ret) { 3316f1ff32e8SJoe Perches ath6kl_warn("Failed to set probe request IE for scheduled scan: %d\n", 331710509f90SKalle Valo ret); 331810509f90SKalle Valo return ret; 331910509f90SKalle Valo } 332010509f90SKalle Valo 3321b1f47e3aSThomas Pedersen ret = ath6kl_wmi_enable_sched_scan_cmd(ar->wmi, vif->fw_vif_idx, true); 3322b1f47e3aSThomas Pedersen if (ret) 332310509f90SKalle Valo return ret; 332410509f90SKalle Valo 3325b1f47e3aSThomas Pedersen set_bit(SCHED_SCANNING, &vif->flags); 332610509f90SKalle Valo 3327b1f47e3aSThomas Pedersen return 0; 332810509f90SKalle Valo } 332910509f90SKalle Valo 333010509f90SKalle Valo static int ath6kl_cfg80211_sscan_stop(struct wiphy *wiphy, 333110509f90SKalle Valo struct net_device *dev) 333210509f90SKalle Valo { 333310509f90SKalle Valo struct ath6kl_vif *vif = netdev_priv(dev); 333410509f90SKalle Valo bool stopped; 333510509f90SKalle Valo 333610509f90SKalle Valo stopped = __ath6kl_cfg80211_sscan_stop(vif); 333710509f90SKalle Valo 333810509f90SKalle Valo if (!stopped) 333910509f90SKalle Valo return -EIO; 334010509f90SKalle Valo 334110509f90SKalle Valo return 0; 334210509f90SKalle Valo } 334310509f90SKalle Valo 334406e360acSBala Shanmugam static int ath6kl_cfg80211_set_bitrate(struct wiphy *wiphy, 334506e360acSBala Shanmugam struct net_device *dev, 334606e360acSBala Shanmugam const u8 *addr, 334706e360acSBala Shanmugam const struct cfg80211_bitrate_mask *mask) 334806e360acSBala Shanmugam { 334906e360acSBala Shanmugam struct ath6kl *ar = ath6kl_priv(dev); 335006e360acSBala Shanmugam struct ath6kl_vif *vif = netdev_priv(dev); 335106e360acSBala Shanmugam 335206e360acSBala Shanmugam return ath6kl_wmi_set_bitrate_mask(ar->wmi, vif->fw_vif_idx, 335306e360acSBala Shanmugam mask); 335406e360acSBala Shanmugam } 335506e360acSBala Shanmugam 3356279b2862SThomas Pedersen static int ath6kl_cfg80211_set_txe_config(struct wiphy *wiphy, 3357279b2862SThomas Pedersen struct net_device *dev, 3358279b2862SThomas Pedersen u32 rate, u32 pkts, u32 intvl) 3359279b2862SThomas Pedersen { 3360279b2862SThomas Pedersen struct ath6kl *ar = ath6kl_priv(dev); 3361279b2862SThomas Pedersen struct ath6kl_vif *vif = netdev_priv(dev); 3362279b2862SThomas Pedersen 3363279b2862SThomas Pedersen if (vif->nw_type != INFRA_NETWORK || 3364279b2862SThomas Pedersen !test_bit(ATH6KL_FW_CAPABILITY_TX_ERR_NOTIFY, ar->fw_capabilities)) 3365279b2862SThomas Pedersen return -EOPNOTSUPP; 3366279b2862SThomas Pedersen 3367279b2862SThomas Pedersen if (vif->sme_state != SME_CONNECTED) 3368279b2862SThomas Pedersen return -ENOTCONN; 3369279b2862SThomas Pedersen 3370279b2862SThomas Pedersen /* save this since the firmware won't report the interval */ 3371279b2862SThomas Pedersen vif->txe_intvl = intvl; 3372279b2862SThomas Pedersen 3373279b2862SThomas Pedersen return ath6kl_wmi_set_txe_notify(ar->wmi, vif->fw_vif_idx, 3374279b2862SThomas Pedersen rate, pkts, intvl); 3375279b2862SThomas Pedersen } 3376279b2862SThomas Pedersen 3377f80574aeSJouni Malinen static const struct ieee80211_txrx_stypes 3378f80574aeSJouni Malinen ath6kl_mgmt_stypes[NUM_NL80211_IFTYPES] = { 3379f80574aeSJouni Malinen [NL80211_IFTYPE_STATION] = { 3380f80574aeSJouni Malinen .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3381f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 3382f80574aeSJouni Malinen .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3383f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 3384f80574aeSJouni Malinen }, 3385ba1f6fe3SJouni Malinen [NL80211_IFTYPE_AP] = { 3386ba1f6fe3SJouni Malinen .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3387ba1f6fe3SJouni Malinen BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 3388ba1f6fe3SJouni Malinen .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3389ba1f6fe3SJouni Malinen BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 3390ba1f6fe3SJouni Malinen }, 3391f80574aeSJouni Malinen [NL80211_IFTYPE_P2P_CLIENT] = { 3392f80574aeSJouni Malinen .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3393f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 3394f80574aeSJouni Malinen .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3395f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 3396f80574aeSJouni Malinen }, 3397f80574aeSJouni Malinen [NL80211_IFTYPE_P2P_GO] = { 3398f80574aeSJouni Malinen .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3399f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 3400f80574aeSJouni Malinen .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3401f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 3402f80574aeSJouni Malinen }, 3403f80574aeSJouni Malinen }; 3404f80574aeSJouni Malinen 3405bdcd8170SKalle Valo static struct cfg80211_ops ath6kl_cfg80211_ops = { 340655055976SVasanthakumar Thiagarajan .add_virtual_intf = ath6kl_cfg80211_add_iface, 340755055976SVasanthakumar Thiagarajan .del_virtual_intf = ath6kl_cfg80211_del_iface, 3408bdcd8170SKalle Valo .change_virtual_intf = ath6kl_cfg80211_change_iface, 3409bdcd8170SKalle Valo .scan = ath6kl_cfg80211_scan, 3410bdcd8170SKalle Valo .connect = ath6kl_cfg80211_connect, 3411bdcd8170SKalle Valo .disconnect = ath6kl_cfg80211_disconnect, 3412bdcd8170SKalle Valo .add_key = ath6kl_cfg80211_add_key, 3413bdcd8170SKalle Valo .get_key = ath6kl_cfg80211_get_key, 3414bdcd8170SKalle Valo .del_key = ath6kl_cfg80211_del_key, 3415bdcd8170SKalle Valo .set_default_key = ath6kl_cfg80211_set_default_key, 3416bdcd8170SKalle Valo .set_wiphy_params = ath6kl_cfg80211_set_wiphy_params, 3417bdcd8170SKalle Valo .set_tx_power = ath6kl_cfg80211_set_txpower, 3418bdcd8170SKalle Valo .get_tx_power = ath6kl_cfg80211_get_txpower, 3419bdcd8170SKalle Valo .set_power_mgmt = ath6kl_cfg80211_set_power_mgmt, 3420bdcd8170SKalle Valo .join_ibss = ath6kl_cfg80211_join_ibss, 3421bdcd8170SKalle Valo .leave_ibss = ath6kl_cfg80211_leave_ibss, 3422bdcd8170SKalle Valo .get_station = ath6kl_get_station, 3423bdcd8170SKalle Valo .set_pmksa = ath6kl_set_pmksa, 3424bdcd8170SKalle Valo .del_pmksa = ath6kl_del_pmksa, 3425bdcd8170SKalle Valo .flush_pmksa = ath6kl_flush_pmksa, 3426003353b0SKalle Valo CFG80211_TESTMODE_CMD(ath6kl_tm_cmd) 3427abcb344bSKalle Valo #ifdef CONFIG_PM 342852d81a68SKalle Valo .suspend = __ath6kl_cfg80211_suspend, 342952d81a68SKalle Valo .resume = __ath6kl_cfg80211_resume, 3430abcb344bSKalle Valo #endif 34318860020eSJohannes Berg .start_ap = ath6kl_start_ap, 34328860020eSJohannes Berg .change_beacon = ath6kl_change_beacon, 34338860020eSJohannes Berg .stop_ap = ath6kl_stop_ap, 343433e5308dSJouni Malinen .del_station = ath6kl_del_station, 343523875136SJouni Malinen .change_station = ath6kl_change_station, 343663fa1e0cSJouni Malinen .remain_on_channel = ath6kl_remain_on_channel, 343763fa1e0cSJouni Malinen .cancel_remain_on_channel = ath6kl_cancel_remain_on_channel, 34388a6c8060SJouni Malinen .mgmt_tx = ath6kl_mgmt_tx, 3439ae32c30aSJouni Malinen .mgmt_frame_register = ath6kl_mgmt_frame_register, 344010509f90SKalle Valo .sched_scan_start = ath6kl_cfg80211_sscan_start, 344110509f90SKalle Valo .sched_scan_stop = ath6kl_cfg80211_sscan_stop, 344206e360acSBala Shanmugam .set_bitrate_mask = ath6kl_cfg80211_set_bitrate, 3443279b2862SThomas Pedersen .set_cqm_txe_config = ath6kl_cfg80211_set_txe_config, 3444bdcd8170SKalle Valo }; 3445bdcd8170SKalle Valo 34467125f01dSKalle Valo void ath6kl_cfg80211_stop(struct ath6kl_vif *vif) 3447ec4b7f60SKalle Valo { 344810509f90SKalle Valo ath6kl_cfg80211_sscan_disable(vif); 344910509f90SKalle Valo 3450ec4b7f60SKalle Valo switch (vif->sme_state) { 3451c97a31b0SKalle Valo case SME_DISCONNECTED: 3452c97a31b0SKalle Valo break; 3453ec4b7f60SKalle Valo case SME_CONNECTING: 3454ec4b7f60SKalle Valo cfg80211_connect_result(vif->ndev, vif->bssid, NULL, 0, 3455ec4b7f60SKalle Valo NULL, 0, 3456ec4b7f60SKalle Valo WLAN_STATUS_UNSPECIFIED_FAILURE, 3457ec4b7f60SKalle Valo GFP_KERNEL); 3458ec4b7f60SKalle Valo break; 3459ec4b7f60SKalle Valo case SME_CONNECTED: 3460ec4b7f60SKalle Valo cfg80211_disconnected(vif->ndev, 0, NULL, 0, GFP_KERNEL); 3461ec4b7f60SKalle Valo break; 3462ec4b7f60SKalle Valo } 3463ec4b7f60SKalle Valo 346458109df6SVasanthakumar Thiagarajan if (vif->ar->state != ATH6KL_STATE_RECOVERY && 346558109df6SVasanthakumar Thiagarajan (test_bit(CONNECTED, &vif->flags) || 346658109df6SVasanthakumar Thiagarajan test_bit(CONNECT_PEND, &vif->flags))) 34677125f01dSKalle Valo ath6kl_wmi_disconnect_cmd(vif->ar->wmi, vif->fw_vif_idx); 3468ec4b7f60SKalle Valo 3469ec4b7f60SKalle Valo vif->sme_state = SME_DISCONNECTED; 34701f405255SKalle Valo clear_bit(CONNECTED, &vif->flags); 34711f405255SKalle Valo clear_bit(CONNECT_PEND, &vif->flags); 3472ec4b7f60SKalle Valo 347384caf800SVasanthakumar Thiagarajan /* Stop netdev queues, needed during recovery */ 347484caf800SVasanthakumar Thiagarajan netif_stop_queue(vif->ndev); 347584caf800SVasanthakumar Thiagarajan netif_carrier_off(vif->ndev); 347684caf800SVasanthakumar Thiagarajan 3477ec4b7f60SKalle Valo /* disable scanning */ 347858109df6SVasanthakumar Thiagarajan if (vif->ar->state != ATH6KL_STATE_RECOVERY && 347958109df6SVasanthakumar Thiagarajan ath6kl_wmi_scanparams_cmd(vif->ar->wmi, vif->fw_vif_idx, 0xFFFF, 34807125f01dSKalle Valo 0, 0, 0, 0, 0, 0, 0, 0, 0) != 0) 34817125f01dSKalle Valo ath6kl_warn("failed to disable scan during stop\n"); 3482ec4b7f60SKalle Valo 3483ec4b7f60SKalle Valo ath6kl_cfg80211_scan_complete_event(vif, true); 3484ec4b7f60SKalle Valo } 3485ec4b7f60SKalle Valo 34867125f01dSKalle Valo void ath6kl_cfg80211_stop_all(struct ath6kl *ar) 34877125f01dSKalle Valo { 34887125f01dSKalle Valo struct ath6kl_vif *vif; 34897125f01dSKalle Valo 34907125f01dSKalle Valo vif = ath6kl_vif_first(ar); 349184caf800SVasanthakumar Thiagarajan if (!vif && ar->state != ATH6KL_STATE_RECOVERY) { 34927125f01dSKalle Valo /* save the current power mode before enabling power save */ 34937125f01dSKalle Valo ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode; 34947125f01dSKalle Valo 34957125f01dSKalle Valo if (ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER) != 0) 3496cdeb8602SKalle Valo ath6kl_warn("ath6kl_deep_sleep_enable: wmi_powermode_cmd failed\n"); 34977125f01dSKalle Valo return; 34987125f01dSKalle Valo } 34997125f01dSKalle Valo 35007125f01dSKalle Valo /* 35017125f01dSKalle Valo * FIXME: we should take ar->list_lock to protect changes in the 35027125f01dSKalle Valo * vif_list, but that's not trivial to do as ath6kl_cfg80211_stop() 35037125f01dSKalle Valo * sleeps. 35047125f01dSKalle Valo */ 35057125f01dSKalle Valo list_for_each_entry(vif, &ar->vif_list, list) 35067125f01dSKalle Valo ath6kl_cfg80211_stop(vif); 35077125f01dSKalle Valo } 35087125f01dSKalle Valo 35090c0280bdSLuis R. Rodriguez static void ath6kl_cfg80211_reg_notify(struct wiphy *wiphy, 351084841ba2SKalle Valo struct regulatory_request *request) 351184841ba2SKalle Valo { 351284841ba2SKalle Valo struct ath6kl *ar = wiphy_priv(wiphy); 351384841ba2SKalle Valo u32 rates[IEEE80211_NUM_BANDS]; 351484841ba2SKalle Valo int ret, i; 351584841ba2SKalle Valo 351684841ba2SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 3517ff7e6867SKalle Valo "cfg reg_notify %c%c%s%s initiator %d hint_type %d\n", 351884841ba2SKalle Valo request->alpha2[0], request->alpha2[1], 351984841ba2SKalle Valo request->intersect ? " intersect" : "", 352084841ba2SKalle Valo request->processed ? " processed" : "", 3521ff7e6867SKalle Valo request->initiator, request->user_reg_hint_type); 3522ff7e6867SKalle Valo 3523ff7e6867SKalle Valo if (request->user_reg_hint_type != NL80211_USER_REG_HINT_CELL_BASE) 35240c0280bdSLuis R. Rodriguez return; 352584841ba2SKalle Valo 352684841ba2SKalle Valo ret = ath6kl_wmi_set_regdomain_cmd(ar->wmi, request->alpha2); 352784841ba2SKalle Valo if (ret) { 352884841ba2SKalle Valo ath6kl_err("failed to set regdomain: %d\n", ret); 35290c0280bdSLuis R. Rodriguez return; 353084841ba2SKalle Valo } 353184841ba2SKalle Valo 353284841ba2SKalle Valo /* 353384841ba2SKalle Valo * Firmware will apply the regdomain change only after a scan is 353484841ba2SKalle Valo * issued and it will send a WMI_REGDOMAIN_EVENTID when it has been 353584841ba2SKalle Valo * changed. 353684841ba2SKalle Valo */ 353784841ba2SKalle Valo 353884841ba2SKalle Valo for (i = 0; i < IEEE80211_NUM_BANDS; i++) 353984841ba2SKalle Valo if (wiphy->bands[i]) 354084841ba2SKalle Valo rates[i] = (1 << wiphy->bands[i]->n_bitrates) - 1; 354184841ba2SKalle Valo 354284841ba2SKalle Valo 354384841ba2SKalle Valo ret = ath6kl_wmi_beginscan_cmd(ar->wmi, 0, WMI_LONG_SCAN, false, 354484841ba2SKalle Valo false, 0, ATH6KL_FG_SCAN_INTERVAL, 354584841ba2SKalle Valo 0, NULL, false, rates); 354684841ba2SKalle Valo if (ret) { 354784841ba2SKalle Valo ath6kl_err("failed to start scan for a regdomain change: %d\n", 354884841ba2SKalle Valo ret); 35490c0280bdSLuis R. Rodriguez return; 355084841ba2SKalle Valo } 355184841ba2SKalle Valo } 355284841ba2SKalle Valo 3553c25889e8SKalle Valo static int ath6kl_cfg80211_vif_init(struct ath6kl_vif *vif) 35548dafb70eSVasanthakumar Thiagarajan { 35557baef812SVasanthakumar Thiagarajan vif->aggr_cntxt = aggr_init(vif); 35562132c69cSVasanthakumar Thiagarajan if (!vif->aggr_cntxt) { 35578dafb70eSVasanthakumar Thiagarajan ath6kl_err("failed to initialize aggr\n"); 35588dafb70eSVasanthakumar Thiagarajan return -ENOMEM; 35598dafb70eSVasanthakumar Thiagarajan } 35608dafb70eSVasanthakumar Thiagarajan 3561de3ad713SVasanthakumar Thiagarajan setup_timer(&vif->disconnect_timer, disconnect_timer_handler, 3562108438bcSVasanthakumar Thiagarajan (unsigned long) vif->ndev); 356310509f90SKalle Valo setup_timer(&vif->sched_scan_timer, ath6kl_wmi_sscan_timer, 356410509f90SKalle Valo (unsigned long) vif); 356510509f90SKalle Valo 3566de3ad713SVasanthakumar Thiagarajan set_bit(WMM_ENABLED, &vif->flags); 3567478ac027SVasanthakumar Thiagarajan spin_lock_init(&vif->if_lock); 35688dafb70eSVasanthakumar Thiagarajan 356980abaf9bSVasanthakumar Thiagarajan INIT_LIST_HEAD(&vif->mc_filter); 357080abaf9bSVasanthakumar Thiagarajan 35718dafb70eSVasanthakumar Thiagarajan return 0; 35728dafb70eSVasanthakumar Thiagarajan } 35738dafb70eSVasanthakumar Thiagarajan 3574355b3a98SMohammed Shafi Shajakhan void ath6kl_cfg80211_vif_stop(struct ath6kl_vif *vif, bool wmi_ready) 3575355b3a98SMohammed Shafi Shajakhan { 3576355b3a98SMohammed Shafi Shajakhan static u8 bcast_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; 3577355b3a98SMohammed Shafi Shajakhan bool discon_issued; 3578355b3a98SMohammed Shafi Shajakhan 3579355b3a98SMohammed Shafi Shajakhan netif_stop_queue(vif->ndev); 3580355b3a98SMohammed Shafi Shajakhan 3581355b3a98SMohammed Shafi Shajakhan clear_bit(WLAN_ENABLED, &vif->flags); 3582355b3a98SMohammed Shafi Shajakhan 3583355b3a98SMohammed Shafi Shajakhan if (wmi_ready) { 3584355b3a98SMohammed Shafi Shajakhan discon_issued = test_bit(CONNECTED, &vif->flags) || 3585355b3a98SMohammed Shafi Shajakhan test_bit(CONNECT_PEND, &vif->flags); 3586355b3a98SMohammed Shafi Shajakhan ath6kl_disconnect(vif); 3587355b3a98SMohammed Shafi Shajakhan del_timer(&vif->disconnect_timer); 3588355b3a98SMohammed Shafi Shajakhan 3589355b3a98SMohammed Shafi Shajakhan if (discon_issued) 3590355b3a98SMohammed Shafi Shajakhan ath6kl_disconnect_event(vif, DISCONNECT_CMD, 3591355b3a98SMohammed Shafi Shajakhan (vif->nw_type & AP_NETWORK) ? 3592355b3a98SMohammed Shafi Shajakhan bcast_mac : vif->bssid, 3593355b3a98SMohammed Shafi Shajakhan 0, NULL, 0); 3594355b3a98SMohammed Shafi Shajakhan } 3595355b3a98SMohammed Shafi Shajakhan 3596355b3a98SMohammed Shafi Shajakhan if (vif->scan_req) { 3597355b3a98SMohammed Shafi Shajakhan cfg80211_scan_done(vif->scan_req, true); 3598355b3a98SMohammed Shafi Shajakhan vif->scan_req = NULL; 3599355b3a98SMohammed Shafi Shajakhan } 3600355b3a98SMohammed Shafi Shajakhan 3601355b3a98SMohammed Shafi Shajakhan /* need to clean up enhanced bmiss detection fw state */ 3602355b3a98SMohammed Shafi Shajakhan ath6kl_cfg80211_sta_bmiss_enhance(vif, false); 3603355b3a98SMohammed Shafi Shajakhan } 3604355b3a98SMohammed Shafi Shajakhan 3605c25889e8SKalle Valo void ath6kl_cfg80211_vif_cleanup(struct ath6kl_vif *vif) 36068dafb70eSVasanthakumar Thiagarajan { 360755055976SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 360880abaf9bSVasanthakumar Thiagarajan struct ath6kl_mc_filter *mc_filter, *tmp; 360955055976SVasanthakumar Thiagarajan 36102132c69cSVasanthakumar Thiagarajan aggr_module_destroy(vif->aggr_cntxt); 3611108438bcSVasanthakumar Thiagarajan 361255055976SVasanthakumar Thiagarajan ar->avail_idx_map |= BIT(vif->fw_vif_idx); 361355055976SVasanthakumar Thiagarajan 361455055976SVasanthakumar Thiagarajan if (vif->nw_type == ADHOC_NETWORK) 361555055976SVasanthakumar Thiagarajan ar->ibss_if_active = false; 361655055976SVasanthakumar Thiagarajan 361780abaf9bSVasanthakumar Thiagarajan list_for_each_entry_safe(mc_filter, tmp, &vif->mc_filter, list) { 361880abaf9bSVasanthakumar Thiagarajan list_del(&mc_filter->list); 361980abaf9bSVasanthakumar Thiagarajan kfree(mc_filter); 362080abaf9bSVasanthakumar Thiagarajan } 362180abaf9bSVasanthakumar Thiagarajan 362227929723SVasanthakumar Thiagarajan unregister_netdevice(vif->ndev); 362355055976SVasanthakumar Thiagarajan 362455055976SVasanthakumar Thiagarajan ar->num_vif--; 36258dafb70eSVasanthakumar Thiagarajan } 36268dafb70eSVasanthakumar Thiagarajan 3627552bff0cSJohannes Berg struct wireless_dev *ath6kl_interface_add(struct ath6kl *ar, const char *name, 362884efbb84SJohannes Berg enum nl80211_iftype type, 362984efbb84SJohannes Berg u8 fw_vif_idx, u8 nw_type) 36308dafb70eSVasanthakumar Thiagarajan { 36318dafb70eSVasanthakumar Thiagarajan struct net_device *ndev; 3632108438bcSVasanthakumar Thiagarajan struct ath6kl_vif *vif; 36338dafb70eSVasanthakumar Thiagarajan 363455055976SVasanthakumar Thiagarajan ndev = alloc_netdev(sizeof(*vif), name, ether_setup); 36358dafb70eSVasanthakumar Thiagarajan if (!ndev) 36368dafb70eSVasanthakumar Thiagarajan return NULL; 36378dafb70eSVasanthakumar Thiagarajan 3638108438bcSVasanthakumar Thiagarajan vif = netdev_priv(ndev); 3639108438bcSVasanthakumar Thiagarajan ndev->ieee80211_ptr = &vif->wdev; 3640108438bcSVasanthakumar Thiagarajan vif->wdev.wiphy = ar->wiphy; 3641108438bcSVasanthakumar Thiagarajan vif->ar = ar; 3642108438bcSVasanthakumar Thiagarajan vif->ndev = ndev; 3643108438bcSVasanthakumar Thiagarajan SET_NETDEV_DEV(ndev, wiphy_dev(vif->wdev.wiphy)); 3644108438bcSVasanthakumar Thiagarajan vif->wdev.netdev = ndev; 3645108438bcSVasanthakumar Thiagarajan vif->wdev.iftype = type; 3646334234b5SVasanthakumar Thiagarajan vif->fw_vif_idx = fw_vif_idx; 3647d0d670abSKalle Valo vif->nw_type = nw_type; 3648d0d670abSKalle Valo vif->next_mode = nw_type; 36498f46fccdSRaja Mani vif->listen_intvl_t = ATH6KL_DEFAULT_LISTEN_INTVAL; 3650ce0dc0cfSRaja Mani vif->bmiss_time_t = ATH6KL_DEFAULT_BMISS_TIME; 3651eb38987eSRaja Mani vif->bg_scan_period = 0; 365267b3f129SKiran Reddy vif->htcap[IEEE80211_BAND_2GHZ].ht_enable = true; 365367b3f129SKiran Reddy vif->htcap[IEEE80211_BAND_5GHZ].ht_enable = true; 36548dafb70eSVasanthakumar Thiagarajan 365555055976SVasanthakumar Thiagarajan memcpy(ndev->dev_addr, ar->mac_addr, ETH_ALEN); 3656c95dcb59SAarthi Thiruvengadam if (fw_vif_idx != 0) { 365755055976SVasanthakumar Thiagarajan ndev->dev_addr[0] = (ndev->dev_addr[0] ^ (1 << fw_vif_idx)) | 365855055976SVasanthakumar Thiagarajan 0x2; 3659c95dcb59SAarthi Thiruvengadam if (test_bit(ATH6KL_FW_CAPABILITY_CUSTOM_MAC_ADDR, 3660c95dcb59SAarthi Thiruvengadam ar->fw_capabilities)) 3661c95dcb59SAarthi Thiruvengadam ndev->dev_addr[4] ^= 0x80; 3662c95dcb59SAarthi Thiruvengadam } 366355055976SVasanthakumar Thiagarajan 36648dafb70eSVasanthakumar Thiagarajan init_netdev(ndev); 36658dafb70eSVasanthakumar Thiagarajan 3666e29f25f5SVasanthakumar Thiagarajan ath6kl_init_control_info(vif); 36678dafb70eSVasanthakumar Thiagarajan 3668c25889e8SKalle Valo if (ath6kl_cfg80211_vif_init(vif)) 36698dafb70eSVasanthakumar Thiagarajan goto err; 36708dafb70eSVasanthakumar Thiagarajan 367127929723SVasanthakumar Thiagarajan if (register_netdevice(ndev)) 36728dafb70eSVasanthakumar Thiagarajan goto err; 36738dafb70eSVasanthakumar Thiagarajan 367455055976SVasanthakumar Thiagarajan ar->avail_idx_map &= ~BIT(fw_vif_idx); 367514ee6f6bSVasanthakumar Thiagarajan vif->sme_state = SME_DISCONNECTED; 367659c98449SVasanthakumar Thiagarajan set_bit(WLAN_ENABLED, &vif->flags); 36778dafb70eSVasanthakumar Thiagarajan ar->wlan_pwr_state = WLAN_POWER_STATE_ON; 36788dafb70eSVasanthakumar Thiagarajan 367955055976SVasanthakumar Thiagarajan if (type == NL80211_IFTYPE_ADHOC) 368055055976SVasanthakumar Thiagarajan ar->ibss_if_active = true; 368155055976SVasanthakumar Thiagarajan 368211f6e40dSVasanthakumar Thiagarajan spin_lock_bh(&ar->list_lock); 3683990bd915SVasanthakumar Thiagarajan list_add_tail(&vif->list, &ar->vif_list); 368411f6e40dSVasanthakumar Thiagarajan spin_unlock_bh(&ar->list_lock); 3685990bd915SVasanthakumar Thiagarajan 368684efbb84SJohannes Berg return &vif->wdev; 36878dafb70eSVasanthakumar Thiagarajan 36888dafb70eSVasanthakumar Thiagarajan err: 368927929723SVasanthakumar Thiagarajan aggr_module_destroy(vif->aggr_cntxt); 369027929723SVasanthakumar Thiagarajan free_netdev(ndev); 3691bdcd8170SKalle Valo return NULL; 3692bdcd8170SKalle Valo } 3693bdcd8170SKalle Valo 3694964dc9e2SJohannes Berg #ifdef CONFIG_PM 3695964dc9e2SJohannes Berg static const struct wiphy_wowlan_support ath6kl_wowlan_support = { 3696964dc9e2SJohannes Berg .flags = WIPHY_WOWLAN_MAGIC_PKT | 3697964dc9e2SJohannes Berg WIPHY_WOWLAN_DISCONNECT | 3698964dc9e2SJohannes Berg WIPHY_WOWLAN_GTK_REKEY_FAILURE | 3699964dc9e2SJohannes Berg WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | 3700964dc9e2SJohannes Berg WIPHY_WOWLAN_EAP_IDENTITY_REQ | 3701964dc9e2SJohannes Berg WIPHY_WOWLAN_4WAY_HANDSHAKE, 3702964dc9e2SJohannes Berg .n_patterns = WOW_MAX_FILTERS_PER_LIST, 3703964dc9e2SJohannes Berg .pattern_min_len = 1, 3704964dc9e2SJohannes Berg .pattern_max_len = WOW_PATTERN_SIZE, 3705964dc9e2SJohannes Berg }; 3706964dc9e2SJohannes Berg #endif 3707964dc9e2SJohannes Berg 370846d33a21SKalle Valo int ath6kl_cfg80211_init(struct ath6kl *ar) 370946d33a21SKalle Valo { 371046d33a21SKalle Valo struct wiphy *wiphy = ar->wiphy; 3711d92917e4SThomas Pedersen bool band_2gig = false, band_5gig = false, ht = false; 371246d33a21SKalle Valo int ret; 371346d33a21SKalle Valo 371446d33a21SKalle Valo wiphy->mgmt_stypes = ath6kl_mgmt_stypes; 371546d33a21SKalle Valo 371646d33a21SKalle Valo wiphy->max_remain_on_channel_duration = 5000; 371746d33a21SKalle Valo 371846d33a21SKalle Valo /* set device pointer for wiphy */ 371946d33a21SKalle Valo set_wiphy_dev(wiphy, ar->dev); 372046d33a21SKalle Valo 372146d33a21SKalle Valo wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 372246d33a21SKalle Valo BIT(NL80211_IFTYPE_ADHOC) | 372346d33a21SKalle Valo BIT(NL80211_IFTYPE_AP); 372446d33a21SKalle Valo if (ar->p2p) { 372546d33a21SKalle Valo wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_GO) | 372646d33a21SKalle Valo BIT(NL80211_IFTYPE_P2P_CLIENT); 372746d33a21SKalle Valo } 372846d33a21SKalle Valo 372984841ba2SKalle Valo if (config_enabled(CONFIG_ATH6KL_REGDOMAIN) && 3730ff7e6867SKalle Valo test_bit(ATH6KL_FW_CAPABILITY_REGDOMAIN, ar->fw_capabilities)) { 373184841ba2SKalle Valo wiphy->reg_notifier = ath6kl_cfg80211_reg_notify; 3732ff7e6867SKalle Valo ar->wiphy->features |= NL80211_FEATURE_CELL_BASE_REG_HINTS; 3733ff7e6867SKalle Valo } 373484841ba2SKalle Valo 373546d33a21SKalle Valo /* max num of ssids that can be probed during scanning */ 37368ab5415dSJouni Malinen wiphy->max_scan_ssids = MAX_PROBED_SSIDS; 3737dd45b759SNaveen Singh 3738dd45b759SNaveen Singh /* max num of ssids that can be matched after scan */ 3739dd45b759SNaveen Singh if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_MATCH_LIST, 3740dd45b759SNaveen Singh ar->fw_capabilities)) 3741dd45b759SNaveen Singh wiphy->max_match_sets = MAX_PROBED_SSIDS; 3742dd45b759SNaveen Singh 374346d33a21SKalle Valo wiphy->max_scan_ie_len = 1000; /* FIX: what is correct limit? */ 3744d92917e4SThomas Pedersen switch (ar->hw.cap) { 3745d92917e4SThomas Pedersen case WMI_11AN_CAP: 3746d92917e4SThomas Pedersen ht = true; 3747d92917e4SThomas Pedersen case WMI_11A_CAP: 3748d92917e4SThomas Pedersen band_5gig = true; 3749d92917e4SThomas Pedersen break; 3750d92917e4SThomas Pedersen case WMI_11GN_CAP: 3751d92917e4SThomas Pedersen ht = true; 3752d92917e4SThomas Pedersen case WMI_11G_CAP: 3753d92917e4SThomas Pedersen band_2gig = true; 3754d92917e4SThomas Pedersen break; 3755d92917e4SThomas Pedersen case WMI_11AGN_CAP: 3756d92917e4SThomas Pedersen ht = true; 3757d92917e4SThomas Pedersen case WMI_11AG_CAP: 3758d92917e4SThomas Pedersen band_2gig = true; 3759d92917e4SThomas Pedersen band_5gig = true; 3760d92917e4SThomas Pedersen break; 3761d92917e4SThomas Pedersen default: 3762d92917e4SThomas Pedersen ath6kl_err("invalid phy capability!\n"); 3763d92917e4SThomas Pedersen return -EINVAL; 3764d92917e4SThomas Pedersen } 3765d92917e4SThomas Pedersen 37667fd1ce7eSVasanthakumar Thiagarajan /* 37677fd1ce7eSVasanthakumar Thiagarajan * Even if the fw has HT support, advertise HT cap only when 37687fd1ce7eSVasanthakumar Thiagarajan * the firmware has support to override RSN capability, otherwise 37697fd1ce7eSVasanthakumar Thiagarajan * 4-way handshake would fail. 37707fd1ce7eSVasanthakumar Thiagarajan */ 37717fd1ce7eSVasanthakumar Thiagarajan if (!(ht && 37727fd1ce7eSVasanthakumar Thiagarajan test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE, 37737fd1ce7eSVasanthakumar Thiagarajan ar->fw_capabilities))) { 3774d92917e4SThomas Pedersen ath6kl_band_2ghz.ht_cap.cap = 0; 3775d92917e4SThomas Pedersen ath6kl_band_2ghz.ht_cap.ht_supported = false; 3776d92917e4SThomas Pedersen ath6kl_band_5ghz.ht_cap.cap = 0; 3777d92917e4SThomas Pedersen ath6kl_band_5ghz.ht_cap.ht_supported = false; 3778d92917e4SThomas Pedersen } 377906e360acSBala Shanmugam 3780c0b34e2bSMohammed Shafi Shajakhan if (ar->hw.flags & ATH6KL_HW_64BIT_RATES) { 378106e360acSBala Shanmugam ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff; 378206e360acSBala Shanmugam ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff; 378306e360acSBala Shanmugam ath6kl_band_2ghz.ht_cap.mcs.rx_mask[1] = 0xff; 378406e360acSBala Shanmugam ath6kl_band_5ghz.ht_cap.mcs.rx_mask[1] = 0xff; 378506e360acSBala Shanmugam } else { 378606e360acSBala Shanmugam ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff; 378706e360acSBala Shanmugam ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff; 378806e360acSBala Shanmugam } 378906e360acSBala Shanmugam 3790d92917e4SThomas Pedersen if (band_2gig) 379146d33a21SKalle Valo wiphy->bands[IEEE80211_BAND_2GHZ] = &ath6kl_band_2ghz; 3792d92917e4SThomas Pedersen if (band_5gig) 379346d33a21SKalle Valo wiphy->bands[IEEE80211_BAND_5GHZ] = &ath6kl_band_5ghz; 3794d92917e4SThomas Pedersen 379546d33a21SKalle Valo wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; 379646d33a21SKalle Valo 379746d33a21SKalle Valo wiphy->cipher_suites = cipher_suites; 379846d33a21SKalle Valo wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); 379946d33a21SKalle Valo 3800dfb89c56SJohannes Berg #ifdef CONFIG_PM 3801964dc9e2SJohannes Berg wiphy->wowlan = &ath6kl_wowlan_support; 3802dfb89c56SJohannes Berg #endif 380346d33a21SKalle Valo 38048ab5415dSJouni Malinen wiphy->max_sched_scan_ssids = MAX_PROBED_SSIDS; 380546d33a21SKalle Valo 3806f2afdac7SVasanthakumar Thiagarajan ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM | 3807f2afdac7SVasanthakumar Thiagarajan WIPHY_FLAG_HAVE_AP_SME | 3808f2afdac7SVasanthakumar Thiagarajan WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | 3809f2afdac7SVasanthakumar Thiagarajan WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD; 3810f2afdac7SVasanthakumar Thiagarajan 3811b1f47e3aSThomas Pedersen if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_V2, ar->fw_capabilities)) 3812f2afdac7SVasanthakumar Thiagarajan ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN; 3813f2afdac7SVasanthakumar Thiagarajan 381403bdeb0dSVasanthakumar Thiagarajan if (test_bit(ATH6KL_FW_CAPABILITY_INACTIVITY_TIMEOUT, 381503bdeb0dSVasanthakumar Thiagarajan ar->fw_capabilities)) 3816b292219fSJohannes Berg ar->wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER; 381703bdeb0dSVasanthakumar Thiagarajan 3818f2afdac7SVasanthakumar Thiagarajan ar->wiphy->probe_resp_offload = 3819f2afdac7SVasanthakumar Thiagarajan NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | 3820f2afdac7SVasanthakumar Thiagarajan NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | 3821a432e7ccSJouni Malinen NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; 3822f2afdac7SVasanthakumar Thiagarajan 382346d33a21SKalle Valo ret = wiphy_register(wiphy); 382446d33a21SKalle Valo if (ret < 0) { 382546d33a21SKalle Valo ath6kl_err("couldn't register wiphy device\n"); 382646d33a21SKalle Valo return ret; 382746d33a21SKalle Valo } 382846d33a21SKalle Valo 3829e5348a1eSVasanthakumar Thiagarajan ar->wiphy_registered = true; 3830e5348a1eSVasanthakumar Thiagarajan 383146d33a21SKalle Valo return 0; 383246d33a21SKalle Valo } 383346d33a21SKalle Valo 383446d33a21SKalle Valo void ath6kl_cfg80211_cleanup(struct ath6kl *ar) 3835bdcd8170SKalle Valo { 3836be98e3a4SVasanthakumar Thiagarajan wiphy_unregister(ar->wiphy); 3837e5348a1eSVasanthakumar Thiagarajan 3838e5348a1eSVasanthakumar Thiagarajan ar->wiphy_registered = false; 383945eaa78fSKalle Valo } 384046d33a21SKalle Valo 384145eaa78fSKalle Valo struct ath6kl *ath6kl_cfg80211_create(void) 384245eaa78fSKalle Valo { 384345eaa78fSKalle Valo struct ath6kl *ar; 384445eaa78fSKalle Valo struct wiphy *wiphy; 384545eaa78fSKalle Valo 384645eaa78fSKalle Valo /* create a new wiphy for use with cfg80211 */ 384745eaa78fSKalle Valo wiphy = wiphy_new(&ath6kl_cfg80211_ops, sizeof(struct ath6kl)); 384845eaa78fSKalle Valo 384945eaa78fSKalle Valo if (!wiphy) { 385045eaa78fSKalle Valo ath6kl_err("couldn't allocate wiphy device\n"); 385145eaa78fSKalle Valo return NULL; 385245eaa78fSKalle Valo } 385345eaa78fSKalle Valo 385445eaa78fSKalle Valo ar = wiphy_priv(wiphy); 385545eaa78fSKalle Valo ar->wiphy = wiphy; 385645eaa78fSKalle Valo 385745eaa78fSKalle Valo return ar; 385845eaa78fSKalle Valo } 385945eaa78fSKalle Valo 386045eaa78fSKalle Valo /* Note: ar variable must not be accessed after calling this! */ 386145eaa78fSKalle Valo void ath6kl_cfg80211_destroy(struct ath6kl *ar) 386245eaa78fSKalle Valo { 38631d2a4456SVasanthakumar Thiagarajan int i; 38641d2a4456SVasanthakumar Thiagarajan 38651d2a4456SVasanthakumar Thiagarajan for (i = 0; i < AP_MAX_NUM_STA; i++) 38661d2a4456SVasanthakumar Thiagarajan kfree(ar->sta_list[i].aggr_conn); 38671d2a4456SVasanthakumar Thiagarajan 3868be98e3a4SVasanthakumar Thiagarajan wiphy_free(ar->wiphy); 3869bdcd8170SKalle Valo } 387045eaa78fSKalle Valo 3871