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); 15458109df6SVasanthakumar Thiagarajan 15558109df6SVasanthakumar Thiagarajan if (ar->state == ATH6KL_STATE_RECOVERY) 15658109df6SVasanthakumar Thiagarajan return true; 15758109df6SVasanthakumar Thiagarajan 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++) { 40555055976SVasanthakumar Thiagarajan if ((ar->avail_idx_map >> i) & BIT(0)) { 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++) { 4153226f68aSVasanthakumar Thiagarajan if ((ar->avail_idx_map >> i) & BIT(0)) { 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); 7945e13fd35SVasanthakumar Thiagarajan cfg80211_put_bss(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); 8055e13fd35SVasanthakumar Thiagarajan cfg80211_put_bss(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 { 1101c4f7863eSThomas Pedersen enum nl80211_channel_type type; 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 1107c4f7863eSThomas Pedersen type = (mode == WMI_11G_HT20) ? NL80211_CHAN_HT20 : NL80211_CHAN_NO_HT; 1108c4f7863eSThomas Pedersen 1109c4f7863eSThomas Pedersen cfg80211_ch_switch_notify(vif->ndev, freq, type); 1110c4f7863eSThomas Pedersen } 1111c4f7863eSThomas Pedersen 1112bdcd8170SKalle Valo static int ath6kl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev, 1113bdcd8170SKalle Valo u8 key_index, bool pairwise, 1114bdcd8170SKalle Valo const u8 *mac_addr, 1115bdcd8170SKalle Valo struct key_params *params) 1116bdcd8170SKalle Valo { 1117d6d5c06cSKalle Valo struct ath6kl *ar = ath6kl_priv(ndev); 111859c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 1119bdcd8170SKalle Valo struct ath6kl_key *key = NULL; 11204a8ce2fdSSujith Manoharan int seq_len; 1121bdcd8170SKalle Valo u8 key_usage; 1122bdcd8170SKalle Valo u8 key_type; 1123bdcd8170SKalle Valo 1124990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1125bdcd8170SKalle Valo return -EIO; 1126bdcd8170SKalle Valo 1127837cb97eSJouni Malinen if (params->cipher == CCKM_KRK_CIPHER_SUITE) { 1128837cb97eSJouni Malinen if (params->key_len != WMI_KRK_LEN) 1129837cb97eSJouni Malinen return -EINVAL; 1130240d2799SVasanthakumar Thiagarajan return ath6kl_wmi_add_krk_cmd(ar->wmi, vif->fw_vif_idx, 1131240d2799SVasanthakumar Thiagarajan params->key); 1132837cb97eSJouni Malinen } 1133837cb97eSJouni Malinen 1134792ecb33SVivek Natarajan if (key_index > WMI_MAX_KEY_INDEX) { 1135bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1136bdcd8170SKalle Valo "%s: key index %d out of bounds\n", __func__, 1137bdcd8170SKalle Valo key_index); 1138bdcd8170SKalle Valo return -ENOENT; 1139bdcd8170SKalle Valo } 1140bdcd8170SKalle Valo 11416f2a73f9SVasanthakumar Thiagarajan key = &vif->keys[key_index]; 1142bdcd8170SKalle Valo memset(key, 0, sizeof(struct ath6kl_key)); 1143bdcd8170SKalle Valo 1144bdcd8170SKalle Valo if (pairwise) 1145bdcd8170SKalle Valo key_usage = PAIRWISE_USAGE; 1146bdcd8170SKalle Valo else 1147bdcd8170SKalle Valo key_usage = GROUP_USAGE; 1148bdcd8170SKalle Valo 11494a8ce2fdSSujith Manoharan seq_len = params->seq_len; 11505e07021eSDai Shuibing if (params->cipher == WLAN_CIPHER_SUITE_SMS4 && 11515e07021eSDai Shuibing seq_len > ATH6KL_KEY_SEQ_LEN) { 11525e07021eSDai Shuibing /* Only first half of the WPI PN is configured */ 11535e07021eSDai Shuibing seq_len = ATH6KL_KEY_SEQ_LEN; 11545e07021eSDai Shuibing } 1155bdcd8170SKalle Valo if (params->key_len > WLAN_MAX_KEY_LEN || 11565e07021eSDai Shuibing seq_len > sizeof(key->seq)) 1157bdcd8170SKalle Valo return -EINVAL; 1158bdcd8170SKalle Valo 1159bdcd8170SKalle Valo key->key_len = params->key_len; 1160bdcd8170SKalle Valo memcpy(key->key, params->key, key->key_len); 11615e07021eSDai Shuibing key->seq_len = seq_len; 1162bdcd8170SKalle Valo memcpy(key->seq, params->seq, key->seq_len); 1163bdcd8170SKalle Valo key->cipher = params->cipher; 1164bdcd8170SKalle Valo 1165bdcd8170SKalle Valo switch (key->cipher) { 1166bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_WEP40: 1167bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_WEP104: 1168bdcd8170SKalle Valo key_type = WEP_CRYPT; 1169bdcd8170SKalle Valo break; 1170bdcd8170SKalle Valo 1171bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_TKIP: 1172bdcd8170SKalle Valo key_type = TKIP_CRYPT; 1173bdcd8170SKalle Valo break; 1174bdcd8170SKalle Valo 1175bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_CCMP: 1176bdcd8170SKalle Valo key_type = AES_CRYPT; 1177bdcd8170SKalle Valo break; 11785e07021eSDai Shuibing case WLAN_CIPHER_SUITE_SMS4: 11795e07021eSDai Shuibing key_type = WAPI_CRYPT; 11805e07021eSDai Shuibing break; 1181bdcd8170SKalle Valo 1182bdcd8170SKalle Valo default: 1183bdcd8170SKalle Valo return -ENOTSUPP; 1184bdcd8170SKalle Valo } 1185bdcd8170SKalle Valo 1186ddc3d77cSKalle Valo if (((vif->auth_mode == WPA_PSK_AUTH) || 1187ddc3d77cSKalle Valo (vif->auth_mode == WPA2_PSK_AUTH)) && 1188ddc3d77cSKalle Valo (key_usage & GROUP_USAGE)) 1189de3ad713SVasanthakumar Thiagarajan del_timer(&vif->disconnect_timer); 1190bdcd8170SKalle Valo 1191bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1192bdcd8170SKalle Valo "%s: index %d, key_len %d, key_type 0x%x, key_usage 0x%x, seq_len %d\n", 1193bdcd8170SKalle Valo __func__, key_index, key->key_len, key_type, 1194bdcd8170SKalle Valo key_usage, key->seq_len); 1195bdcd8170SKalle Valo 1196f5938f24SVasanthakumar Thiagarajan if (vif->nw_type == AP_NETWORK && !pairwise && 11974703290aSJouni Malinen (key_type == TKIP_CRYPT || key_type == AES_CRYPT || 1198cc4d623dSVasanthakumar Thiagarajan key_type == WAPI_CRYPT)) { 11999a5b1318SJouni Malinen ar->ap_mode_bkey.valid = true; 12009a5b1318SJouni Malinen ar->ap_mode_bkey.key_index = key_index; 12019a5b1318SJouni Malinen ar->ap_mode_bkey.key_type = key_type; 12029a5b1318SJouni Malinen ar->ap_mode_bkey.key_len = key->key_len; 12039a5b1318SJouni Malinen memcpy(ar->ap_mode_bkey.key, key->key, key->key_len); 120459c98449SVasanthakumar Thiagarajan if (!test_bit(CONNECTED, &vif->flags)) { 1205cdeb8602SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1206cdeb8602SKalle Valo "Delay initial group key configuration until AP mode has been started\n"); 12079a5b1318SJouni Malinen /* 12089a5b1318SJouni Malinen * The key will be set in ath6kl_connect_ap_mode() once 12099a5b1318SJouni Malinen * the connected event is received from the target. 12109a5b1318SJouni Malinen */ 12119a5b1318SJouni Malinen return 0; 12129a5b1318SJouni Malinen } 12139a5b1318SJouni Malinen } 12149a5b1318SJouni Malinen 1215f5938f24SVasanthakumar Thiagarajan if (vif->next_mode == AP_NETWORK && key_type == WEP_CRYPT && 121659c98449SVasanthakumar Thiagarajan !test_bit(CONNECTED, &vif->flags)) { 1217151411e8SJouni Malinen /* 1218151411e8SJouni Malinen * Store the key locally so that it can be re-configured after 1219151411e8SJouni Malinen * the AP mode has properly started 1220151411e8SJouni Malinen * (ath6kl_install_statioc_wep_keys). 1221151411e8SJouni Malinen */ 1222cdeb8602SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1223cdeb8602SKalle Valo "Delay WEP key configuration until AP mode has been started\n"); 12246f2a73f9SVasanthakumar Thiagarajan vif->wep_key_list[key_index].key_len = key->key_len; 12256f2a73f9SVasanthakumar Thiagarajan memcpy(vif->wep_key_list[key_index].key, key->key, 12266f2a73f9SVasanthakumar Thiagarajan key->key_len); 1227151411e8SJouni Malinen return 0; 1228151411e8SJouni Malinen } 1229151411e8SJouni Malinen 12307cefa44fSVasanthakumar Thiagarajan return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, key_index, 1231bdcd8170SKalle Valo key_type, key_usage, key->key_len, 1232f4bb9a6fSJouni Malinen key->seq, key->seq_len, key->key, 1233f4bb9a6fSJouni Malinen KEY_OP_INIT_VAL, 1234bdcd8170SKalle Valo (u8 *) mac_addr, SYNC_BOTH_WMIFLAG); 1235bdcd8170SKalle Valo } 1236bdcd8170SKalle Valo 1237bdcd8170SKalle Valo static int ath6kl_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev, 1238bdcd8170SKalle Valo u8 key_index, bool pairwise, 1239bdcd8170SKalle Valo const u8 *mac_addr) 1240bdcd8170SKalle Valo { 1241d6d5c06cSKalle Valo struct ath6kl *ar = ath6kl_priv(ndev); 12426f2a73f9SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 1243bdcd8170SKalle Valo 1244bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index); 1245bdcd8170SKalle Valo 1246990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1247bdcd8170SKalle Valo return -EIO; 1248bdcd8170SKalle Valo 1249792ecb33SVivek Natarajan if (key_index > WMI_MAX_KEY_INDEX) { 1250bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1251bdcd8170SKalle Valo "%s: key index %d out of bounds\n", __func__, 1252bdcd8170SKalle Valo key_index); 1253bdcd8170SKalle Valo return -ENOENT; 1254bdcd8170SKalle Valo } 1255bdcd8170SKalle Valo 12566f2a73f9SVasanthakumar Thiagarajan if (!vif->keys[key_index].key_len) { 1257bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1258bdcd8170SKalle Valo "%s: index %d is empty\n", __func__, key_index); 1259bdcd8170SKalle Valo return 0; 1260bdcd8170SKalle Valo } 1261bdcd8170SKalle Valo 12626f2a73f9SVasanthakumar Thiagarajan vif->keys[key_index].key_len = 0; 1263bdcd8170SKalle Valo 1264334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_deletekey_cmd(ar->wmi, vif->fw_vif_idx, key_index); 1265bdcd8170SKalle Valo } 1266bdcd8170SKalle Valo 1267bdcd8170SKalle Valo static int ath6kl_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev, 1268bdcd8170SKalle Valo u8 key_index, bool pairwise, 1269bdcd8170SKalle Valo const u8 *mac_addr, void *cookie, 1270bdcd8170SKalle Valo void (*callback) (void *cookie, 1271bdcd8170SKalle Valo struct key_params *)) 1272bdcd8170SKalle Valo { 12736f2a73f9SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 1274bdcd8170SKalle Valo struct ath6kl_key *key = NULL; 1275bdcd8170SKalle Valo struct key_params params; 1276bdcd8170SKalle Valo 1277bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index); 1278bdcd8170SKalle Valo 1279990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1280bdcd8170SKalle Valo return -EIO; 1281bdcd8170SKalle Valo 1282792ecb33SVivek Natarajan if (key_index > WMI_MAX_KEY_INDEX) { 1283bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1284bdcd8170SKalle Valo "%s: key index %d out of bounds\n", __func__, 1285bdcd8170SKalle Valo key_index); 1286bdcd8170SKalle Valo return -ENOENT; 1287bdcd8170SKalle Valo } 1288bdcd8170SKalle Valo 12896f2a73f9SVasanthakumar Thiagarajan key = &vif->keys[key_index]; 1290bdcd8170SKalle Valo memset(¶ms, 0, sizeof(params)); 1291bdcd8170SKalle Valo params.cipher = key->cipher; 1292bdcd8170SKalle Valo params.key_len = key->key_len; 1293bdcd8170SKalle Valo params.seq_len = key->seq_len; 1294bdcd8170SKalle Valo params.seq = key->seq; 1295bdcd8170SKalle Valo params.key = key->key; 1296bdcd8170SKalle Valo 1297bdcd8170SKalle Valo callback(cookie, ¶ms); 1298bdcd8170SKalle Valo 1299bdcd8170SKalle Valo return key->key_len ? 0 : -ENOENT; 1300bdcd8170SKalle Valo } 1301bdcd8170SKalle Valo 1302bdcd8170SKalle Valo static int ath6kl_cfg80211_set_default_key(struct wiphy *wiphy, 1303bdcd8170SKalle Valo struct net_device *ndev, 1304bdcd8170SKalle Valo u8 key_index, bool unicast, 1305bdcd8170SKalle Valo bool multicast) 1306bdcd8170SKalle Valo { 1307d6d5c06cSKalle Valo struct ath6kl *ar = ath6kl_priv(ndev); 130859c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 1309bdcd8170SKalle Valo struct ath6kl_key *key = NULL; 1310bdcd8170SKalle Valo u8 key_usage; 1311229ed6b5SEdward Lu enum crypto_type key_type = NONE_CRYPT; 1312bdcd8170SKalle Valo 1313bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index); 1314bdcd8170SKalle Valo 1315990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1316bdcd8170SKalle Valo return -EIO; 1317bdcd8170SKalle Valo 1318792ecb33SVivek Natarajan if (key_index > WMI_MAX_KEY_INDEX) { 1319bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1320bdcd8170SKalle Valo "%s: key index %d out of bounds\n", 1321bdcd8170SKalle Valo __func__, key_index); 1322bdcd8170SKalle Valo return -ENOENT; 1323bdcd8170SKalle Valo } 1324bdcd8170SKalle Valo 13256f2a73f9SVasanthakumar Thiagarajan if (!vif->keys[key_index].key_len) { 1326bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: invalid key index %d\n", 1327bdcd8170SKalle Valo __func__, key_index); 1328bdcd8170SKalle Valo return -EINVAL; 1329bdcd8170SKalle Valo } 1330bdcd8170SKalle Valo 13313450334fSVasanthakumar Thiagarajan vif->def_txkey_index = key_index; 13326f2a73f9SVasanthakumar Thiagarajan key = &vif->keys[vif->def_txkey_index]; 1333bdcd8170SKalle Valo key_usage = GROUP_USAGE; 13343450334fSVasanthakumar Thiagarajan if (vif->prwise_crypto == WEP_CRYPT) 1335bdcd8170SKalle Valo key_usage |= TX_USAGE; 1336229ed6b5SEdward Lu if (unicast) 13373450334fSVasanthakumar Thiagarajan key_type = vif->prwise_crypto; 1338229ed6b5SEdward Lu if (multicast) 13393450334fSVasanthakumar Thiagarajan key_type = vif->grp_crypto; 1340bdcd8170SKalle Valo 1341f5938f24SVasanthakumar Thiagarajan if (vif->next_mode == AP_NETWORK && !test_bit(CONNECTED, &vif->flags)) 13429a5b1318SJouni Malinen return 0; /* Delay until AP mode has been started */ 13439a5b1318SJouni Malinen 1344f3e61eceSJouni Malinen return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, 1345334234b5SVasanthakumar Thiagarajan vif->def_txkey_index, 1346229ed6b5SEdward Lu key_type, key_usage, 1347f4bb9a6fSJouni Malinen key->key_len, key->seq, key->seq_len, 1348f4bb9a6fSJouni Malinen key->key, 1349bdcd8170SKalle Valo KEY_OP_INIT_VAL, NULL, 1350bdcd8170SKalle Valo SYNC_BOTH_WMIFLAG); 1351bdcd8170SKalle Valo } 1352bdcd8170SKalle Valo 1353240d2799SVasanthakumar Thiagarajan void ath6kl_cfg80211_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid, 1354bdcd8170SKalle Valo bool ismcast) 1355bdcd8170SKalle Valo { 1356bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1357bdcd8170SKalle Valo "%s: keyid %d, ismcast %d\n", __func__, keyid, ismcast); 1358bdcd8170SKalle Valo 1359240d2799SVasanthakumar Thiagarajan cfg80211_michael_mic_failure(vif->ndev, vif->bssid, 1360bdcd8170SKalle Valo (ismcast ? NL80211_KEYTYPE_GROUP : 1361bdcd8170SKalle Valo NL80211_KEYTYPE_PAIRWISE), keyid, NULL, 1362bdcd8170SKalle Valo GFP_KERNEL); 1363bdcd8170SKalle Valo } 1364bdcd8170SKalle Valo 1365bdcd8170SKalle Valo static int ath6kl_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) 1366bdcd8170SKalle Valo { 1367bdcd8170SKalle Valo struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy); 1368990bd915SVasanthakumar Thiagarajan struct ath6kl_vif *vif; 1369bdcd8170SKalle Valo int ret; 1370bdcd8170SKalle Valo 1371bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: changed 0x%x\n", __func__, 1372bdcd8170SKalle Valo changed); 1373bdcd8170SKalle Valo 1374990bd915SVasanthakumar Thiagarajan vif = ath6kl_vif_first(ar); 1375990bd915SVasanthakumar Thiagarajan if (!vif) 1376990bd915SVasanthakumar Thiagarajan return -EIO; 1377990bd915SVasanthakumar Thiagarajan 1378990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1379bdcd8170SKalle Valo return -EIO; 1380bdcd8170SKalle Valo 1381bdcd8170SKalle Valo if (changed & WIPHY_PARAM_RTS_THRESHOLD) { 1382bdcd8170SKalle Valo ret = ath6kl_wmi_set_rts_cmd(ar->wmi, wiphy->rts_threshold); 1383bdcd8170SKalle Valo if (ret != 0) { 1384bdcd8170SKalle Valo ath6kl_err("ath6kl_wmi_set_rts_cmd failed\n"); 1385bdcd8170SKalle Valo return -EIO; 1386bdcd8170SKalle Valo } 1387bdcd8170SKalle Valo } 1388bdcd8170SKalle Valo 1389bdcd8170SKalle Valo return 0; 1390bdcd8170SKalle Valo } 1391bdcd8170SKalle Valo 1392bdcd8170SKalle Valo /* 1393bdcd8170SKalle Valo * The type nl80211_tx_power_setting replaces the following 1394bdcd8170SKalle Valo * data type from 2.6.36 onwards 1395bdcd8170SKalle Valo */ 1396bdcd8170SKalle Valo static int ath6kl_cfg80211_set_txpower(struct wiphy *wiphy, 1397bdcd8170SKalle Valo enum nl80211_tx_power_setting type, 1398b992a285SLuis R. Rodriguez int mbm) 1399bdcd8170SKalle Valo { 1400bdcd8170SKalle Valo struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy); 1401990bd915SVasanthakumar Thiagarajan struct ath6kl_vif *vif; 1402b992a285SLuis R. Rodriguez int dbm = MBM_TO_DBM(mbm); 1403bdcd8170SKalle Valo 1404bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x, dbm %d\n", __func__, 1405bdcd8170SKalle Valo type, dbm); 1406bdcd8170SKalle Valo 1407990bd915SVasanthakumar Thiagarajan vif = ath6kl_vif_first(ar); 1408990bd915SVasanthakumar Thiagarajan if (!vif) 1409990bd915SVasanthakumar Thiagarajan return -EIO; 1410990bd915SVasanthakumar Thiagarajan 1411990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1412bdcd8170SKalle Valo return -EIO; 1413bdcd8170SKalle Valo 1414bdcd8170SKalle Valo switch (type) { 1415bdcd8170SKalle Valo case NL80211_TX_POWER_AUTOMATIC: 1416bdcd8170SKalle Valo return 0; 1417bdcd8170SKalle Valo case NL80211_TX_POWER_LIMITED: 1418d0d670abSKalle Valo ar->tx_pwr = dbm; 1419bdcd8170SKalle Valo break; 1420bdcd8170SKalle Valo default: 1421bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x not supported\n", 1422bdcd8170SKalle Valo __func__, type); 1423bdcd8170SKalle Valo return -EOPNOTSUPP; 1424bdcd8170SKalle Valo } 1425bdcd8170SKalle Valo 1426d0d670abSKalle Valo ath6kl_wmi_set_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx, dbm); 1427bdcd8170SKalle Valo 1428bdcd8170SKalle Valo return 0; 1429bdcd8170SKalle Valo } 1430bdcd8170SKalle Valo 1431bdcd8170SKalle Valo static int ath6kl_cfg80211_get_txpower(struct wiphy *wiphy, int *dbm) 1432bdcd8170SKalle Valo { 1433bdcd8170SKalle Valo struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy); 1434990bd915SVasanthakumar Thiagarajan struct ath6kl_vif *vif; 1435bdcd8170SKalle Valo 1436990bd915SVasanthakumar Thiagarajan vif = ath6kl_vif_first(ar); 1437990bd915SVasanthakumar Thiagarajan if (!vif) 1438990bd915SVasanthakumar Thiagarajan return -EIO; 1439990bd915SVasanthakumar Thiagarajan 1440990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1441bdcd8170SKalle Valo return -EIO; 1442bdcd8170SKalle Valo 144359c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags)) { 1444bdcd8170SKalle Valo ar->tx_pwr = 0; 1445bdcd8170SKalle Valo 1446990bd915SVasanthakumar Thiagarajan if (ath6kl_wmi_get_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx) != 0) { 1447bdcd8170SKalle Valo ath6kl_err("ath6kl_wmi_get_tx_pwr_cmd failed\n"); 1448bdcd8170SKalle Valo return -EIO; 1449bdcd8170SKalle Valo } 1450bdcd8170SKalle Valo 1451bdcd8170SKalle Valo wait_event_interruptible_timeout(ar->event_wq, ar->tx_pwr != 0, 1452bdcd8170SKalle Valo 5 * HZ); 1453bdcd8170SKalle Valo 1454bdcd8170SKalle Valo if (signal_pending(current)) { 1455bdcd8170SKalle Valo ath6kl_err("target did not respond\n"); 1456bdcd8170SKalle Valo return -EINTR; 1457bdcd8170SKalle Valo } 1458bdcd8170SKalle Valo } 1459bdcd8170SKalle Valo 1460bdcd8170SKalle Valo *dbm = ar->tx_pwr; 1461bdcd8170SKalle Valo return 0; 1462bdcd8170SKalle Valo } 1463bdcd8170SKalle Valo 1464bdcd8170SKalle Valo static int ath6kl_cfg80211_set_power_mgmt(struct wiphy *wiphy, 1465bdcd8170SKalle Valo struct net_device *dev, 1466bdcd8170SKalle Valo bool pmgmt, int timeout) 1467bdcd8170SKalle Valo { 1468bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 1469bdcd8170SKalle Valo struct wmi_power_mode_cmd mode; 1470334234b5SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1471bdcd8170SKalle Valo 1472bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: pmgmt %d, timeout %d\n", 1473bdcd8170SKalle Valo __func__, pmgmt, timeout); 1474bdcd8170SKalle Valo 1475990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1476bdcd8170SKalle Valo return -EIO; 1477bdcd8170SKalle Valo 1478bdcd8170SKalle Valo if (pmgmt) { 1479f0ed67ecSMohammed Shafi Shajakhan ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: rec power\n", __func__); 1480bdcd8170SKalle Valo mode.pwr_mode = REC_POWER; 1481bdcd8170SKalle Valo } else { 1482f0ed67ecSMohammed Shafi Shajakhan ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: max perf\n", __func__); 1483bdcd8170SKalle Valo mode.pwr_mode = MAX_PERF_POWER; 1484bdcd8170SKalle Valo } 1485bdcd8170SKalle Valo 1486334234b5SVasanthakumar Thiagarajan if (ath6kl_wmi_powermode_cmd(ar->wmi, vif->fw_vif_idx, 1487334234b5SVasanthakumar Thiagarajan mode.pwr_mode) != 0) { 1488bdcd8170SKalle Valo ath6kl_err("wmi_powermode_cmd failed\n"); 1489bdcd8170SKalle Valo return -EIO; 1490bdcd8170SKalle Valo } 1491bdcd8170SKalle Valo 1492bdcd8170SKalle Valo return 0; 1493bdcd8170SKalle Valo } 1494bdcd8170SKalle Valo 149584efbb84SJohannes Berg static struct wireless_dev *ath6kl_cfg80211_add_iface(struct wiphy *wiphy, 1496552bff0cSJohannes Berg const char *name, 149755055976SVasanthakumar Thiagarajan enum nl80211_iftype type, 149855055976SVasanthakumar Thiagarajan u32 *flags, 149955055976SVasanthakumar Thiagarajan struct vif_params *params) 150055055976SVasanthakumar Thiagarajan { 150155055976SVasanthakumar Thiagarajan struct ath6kl *ar = wiphy_priv(wiphy); 150284efbb84SJohannes Berg struct wireless_dev *wdev; 150355055976SVasanthakumar Thiagarajan u8 if_idx, nw_type; 150455055976SVasanthakumar Thiagarajan 150571f96ee6SKalle Valo if (ar->num_vif == ar->vif_max) { 150655055976SVasanthakumar Thiagarajan ath6kl_err("Reached maximum number of supported vif\n"); 150755055976SVasanthakumar Thiagarajan return ERR_PTR(-EINVAL); 150855055976SVasanthakumar Thiagarajan } 150955055976SVasanthakumar Thiagarajan 151055055976SVasanthakumar Thiagarajan if (!ath6kl_is_valid_iftype(ar, type, &if_idx, &nw_type)) { 151155055976SVasanthakumar Thiagarajan ath6kl_err("Not a supported interface type\n"); 151255055976SVasanthakumar Thiagarajan return ERR_PTR(-EINVAL); 151355055976SVasanthakumar Thiagarajan } 151455055976SVasanthakumar Thiagarajan 151584efbb84SJohannes Berg wdev = ath6kl_interface_add(ar, name, type, if_idx, nw_type); 151684efbb84SJohannes Berg if (!wdev) 151755055976SVasanthakumar Thiagarajan return ERR_PTR(-ENOMEM); 151855055976SVasanthakumar Thiagarajan 151955055976SVasanthakumar Thiagarajan ar->num_vif++; 152055055976SVasanthakumar Thiagarajan 152184efbb84SJohannes Berg return wdev; 152255055976SVasanthakumar Thiagarajan } 152355055976SVasanthakumar Thiagarajan 152455055976SVasanthakumar Thiagarajan static int ath6kl_cfg80211_del_iface(struct wiphy *wiphy, 152584efbb84SJohannes Berg struct wireless_dev *wdev) 152655055976SVasanthakumar Thiagarajan { 152755055976SVasanthakumar Thiagarajan struct ath6kl *ar = wiphy_priv(wiphy); 152884efbb84SJohannes Berg struct ath6kl_vif *vif = netdev_priv(wdev->netdev); 152955055976SVasanthakumar Thiagarajan 153011f6e40dSVasanthakumar Thiagarajan spin_lock_bh(&ar->list_lock); 153155055976SVasanthakumar Thiagarajan list_del(&vif->list); 153211f6e40dSVasanthakumar Thiagarajan spin_unlock_bh(&ar->list_lock); 153355055976SVasanthakumar Thiagarajan 1534355b3a98SMohammed Shafi Shajakhan ath6kl_cfg80211_vif_stop(vif, test_bit(WMI_READY, &ar->flag)); 153555055976SVasanthakumar Thiagarajan 1536c25889e8SKalle Valo ath6kl_cfg80211_vif_cleanup(vif); 153755055976SVasanthakumar Thiagarajan 153855055976SVasanthakumar Thiagarajan return 0; 153955055976SVasanthakumar Thiagarajan } 154055055976SVasanthakumar Thiagarajan 1541bdcd8170SKalle Valo static int ath6kl_cfg80211_change_iface(struct wiphy *wiphy, 1542bdcd8170SKalle Valo struct net_device *ndev, 1543bdcd8170SKalle Valo enum nl80211_iftype type, u32 *flags, 1544bdcd8170SKalle Valo struct vif_params *params) 1545bdcd8170SKalle Valo { 1546f5938f24SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 15471e8d13b0SVasanthakumar Thiagarajan int i; 1548bdcd8170SKalle Valo 1549bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type %u\n", __func__, type); 1550bdcd8170SKalle Valo 15511e8d13b0SVasanthakumar Thiagarajan /* 15521e8d13b0SVasanthakumar Thiagarajan * Don't bring up p2p on an interface which is not initialized 15531e8d13b0SVasanthakumar Thiagarajan * for p2p operation where fw does not have capability to switch 15541e8d13b0SVasanthakumar Thiagarajan * dynamically between non-p2p and p2p type interface. 15551e8d13b0SVasanthakumar Thiagarajan */ 15561e8d13b0SVasanthakumar Thiagarajan if (!test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX, 15571e8d13b0SVasanthakumar Thiagarajan vif->ar->fw_capabilities) && 15581e8d13b0SVasanthakumar Thiagarajan (type == NL80211_IFTYPE_P2P_CLIENT || 15591e8d13b0SVasanthakumar Thiagarajan type == NL80211_IFTYPE_P2P_GO)) { 15601e8d13b0SVasanthakumar Thiagarajan if (vif->ar->vif_max == 1) { 15611e8d13b0SVasanthakumar Thiagarajan if (vif->fw_vif_idx != 0) 15621e8d13b0SVasanthakumar Thiagarajan return -EINVAL; 15631e8d13b0SVasanthakumar Thiagarajan else 15641e8d13b0SVasanthakumar Thiagarajan goto set_iface_type; 15651e8d13b0SVasanthakumar Thiagarajan } 15661e8d13b0SVasanthakumar Thiagarajan 15671e8d13b0SVasanthakumar Thiagarajan for (i = vif->ar->max_norm_iface; i < vif->ar->vif_max; i++) { 15681e8d13b0SVasanthakumar Thiagarajan if (i == vif->fw_vif_idx) 15691e8d13b0SVasanthakumar Thiagarajan break; 15701e8d13b0SVasanthakumar Thiagarajan } 15711e8d13b0SVasanthakumar Thiagarajan 15721e8d13b0SVasanthakumar Thiagarajan if (i == vif->ar->vif_max) { 15731e8d13b0SVasanthakumar Thiagarajan ath6kl_err("Invalid interface to bring up P2P\n"); 15741e8d13b0SVasanthakumar Thiagarajan return -EINVAL; 15751e8d13b0SVasanthakumar Thiagarajan } 15761e8d13b0SVasanthakumar Thiagarajan } 15771e8d13b0SVasanthakumar Thiagarajan 1578c422d52dSThomas Pedersen /* need to clean up enhanced bmiss detection fw state */ 1579c422d52dSThomas Pedersen ath6kl_cfg80211_sta_bmiss_enhance(vif, false); 1580c422d52dSThomas Pedersen 15811e8d13b0SVasanthakumar Thiagarajan set_iface_type: 1582bdcd8170SKalle Valo switch (type) { 1583bdcd8170SKalle Valo case NL80211_IFTYPE_STATION: 15848aa659d2SMohammed Shafi Shajakhan case NL80211_IFTYPE_P2P_CLIENT: 1585f5938f24SVasanthakumar Thiagarajan vif->next_mode = INFRA_NETWORK; 1586bdcd8170SKalle Valo break; 1587bdcd8170SKalle Valo case NL80211_IFTYPE_ADHOC: 1588f5938f24SVasanthakumar Thiagarajan vif->next_mode = ADHOC_NETWORK; 1589bdcd8170SKalle Valo break; 15906e4604c8SJouni Malinen case NL80211_IFTYPE_AP: 15916b5e5d25SJouni Malinen case NL80211_IFTYPE_P2P_GO: 1592f5938f24SVasanthakumar Thiagarajan vif->next_mode = AP_NETWORK; 15936b5e5d25SJouni Malinen break; 1594bdcd8170SKalle Valo default: 1595bdcd8170SKalle Valo ath6kl_err("invalid interface type %u\n", type); 1596bdcd8170SKalle Valo return -EOPNOTSUPP; 1597bdcd8170SKalle Valo } 1598bdcd8170SKalle Valo 1599551959d8SVasanthakumar Thiagarajan vif->wdev.iftype = type; 1600bdcd8170SKalle Valo 1601bdcd8170SKalle Valo return 0; 1602bdcd8170SKalle Valo } 1603bdcd8170SKalle Valo 1604bdcd8170SKalle Valo static int ath6kl_cfg80211_join_ibss(struct wiphy *wiphy, 1605bdcd8170SKalle Valo struct net_device *dev, 1606bdcd8170SKalle Valo struct cfg80211_ibss_params *ibss_param) 1607bdcd8170SKalle Valo { 1608bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 160959c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1610bdcd8170SKalle Valo int status; 1611bdcd8170SKalle Valo 1612990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1613bdcd8170SKalle Valo return -EIO; 1614bdcd8170SKalle Valo 16153450334fSVasanthakumar Thiagarajan vif->ssid_len = ibss_param->ssid_len; 16163450334fSVasanthakumar Thiagarajan memcpy(vif->ssid, ibss_param->ssid, vif->ssid_len); 1617bdcd8170SKalle Valo 1618bdcd8170SKalle Valo if (ibss_param->channel) 1619f74bac54SVasanthakumar Thiagarajan vif->ch_hint = ibss_param->channel->center_freq; 1620bdcd8170SKalle Valo 1621bdcd8170SKalle Valo if (ibss_param->channel_fixed) { 1622bdcd8170SKalle Valo /* 1623bdcd8170SKalle Valo * TODO: channel_fixed: The channel should be fixed, do not 1624bdcd8170SKalle Valo * search for IBSSs to join on other channels. Target 1625bdcd8170SKalle Valo * firmware does not support this feature, needs to be 1626bdcd8170SKalle Valo * updated. 1627bdcd8170SKalle Valo */ 1628bdcd8170SKalle Valo return -EOPNOTSUPP; 1629bdcd8170SKalle Valo } 1630bdcd8170SKalle Valo 16318c8b65e3SVasanthakumar Thiagarajan memset(vif->req_bssid, 0, sizeof(vif->req_bssid)); 1632bdcd8170SKalle Valo if (ibss_param->bssid && !is_broadcast_ether_addr(ibss_param->bssid)) 16338c8b65e3SVasanthakumar Thiagarajan memcpy(vif->req_bssid, ibss_param->bssid, 16348c8b65e3SVasanthakumar Thiagarajan sizeof(vif->req_bssid)); 1635bdcd8170SKalle Valo 1636240d2799SVasanthakumar Thiagarajan ath6kl_set_wpa_version(vif, 0); 1637bdcd8170SKalle Valo 1638240d2799SVasanthakumar Thiagarajan status = ath6kl_set_auth_type(vif, NL80211_AUTHTYPE_OPEN_SYSTEM); 1639bdcd8170SKalle Valo if (status) 1640bdcd8170SKalle Valo return status; 1641bdcd8170SKalle Valo 1642bdcd8170SKalle Valo if (ibss_param->privacy) { 1643240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, true); 1644240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, false); 1645bdcd8170SKalle Valo } else { 1646240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, 0, true); 1647240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, 0, false); 1648bdcd8170SKalle Valo } 1649bdcd8170SKalle Valo 1650f5938f24SVasanthakumar Thiagarajan vif->nw_type = vif->next_mode; 1651bdcd8170SKalle Valo 1652bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1653bdcd8170SKalle Valo "%s: connect called with authmode %d dot11 auth %d" 1654bdcd8170SKalle Valo " PW crypto %d PW crypto len %d GRP crypto %d" 1655bdcd8170SKalle Valo " GRP crypto len %d channel hint %u\n", 1656bdcd8170SKalle Valo __func__, 16573450334fSVasanthakumar Thiagarajan vif->auth_mode, vif->dot11_auth_mode, vif->prwise_crypto, 16583450334fSVasanthakumar Thiagarajan vif->prwise_crypto_len, vif->grp_crypto, 1659f74bac54SVasanthakumar Thiagarajan vif->grp_crypto_len, vif->ch_hint); 1660bdcd8170SKalle Valo 1661334234b5SVasanthakumar Thiagarajan status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type, 16623450334fSVasanthakumar Thiagarajan vif->dot11_auth_mode, vif->auth_mode, 16633450334fSVasanthakumar Thiagarajan vif->prwise_crypto, 16643450334fSVasanthakumar Thiagarajan vif->prwise_crypto_len, 16653450334fSVasanthakumar Thiagarajan vif->grp_crypto, vif->grp_crypto_len, 16663450334fSVasanthakumar Thiagarajan vif->ssid_len, vif->ssid, 1667f74bac54SVasanthakumar Thiagarajan vif->req_bssid, vif->ch_hint, 16683ca9d1fcSAarthi Thiruvengadam ar->connect_ctrl_flags, SUBTYPE_NONE); 166959c98449SVasanthakumar Thiagarajan set_bit(CONNECT_PEND, &vif->flags); 1670bdcd8170SKalle Valo 1671bdcd8170SKalle Valo return 0; 1672bdcd8170SKalle Valo } 1673bdcd8170SKalle Valo 1674bdcd8170SKalle Valo static int ath6kl_cfg80211_leave_ibss(struct wiphy *wiphy, 1675bdcd8170SKalle Valo struct net_device *dev) 1676bdcd8170SKalle Valo { 16773450334fSVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1678bdcd8170SKalle Valo 1679990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1680bdcd8170SKalle Valo return -EIO; 1681bdcd8170SKalle Valo 1682240d2799SVasanthakumar Thiagarajan ath6kl_disconnect(vif); 16833450334fSVasanthakumar Thiagarajan memset(vif->ssid, 0, sizeof(vif->ssid)); 16843450334fSVasanthakumar Thiagarajan vif->ssid_len = 0; 1685bdcd8170SKalle Valo 1686bdcd8170SKalle Valo return 0; 1687bdcd8170SKalle Valo } 1688bdcd8170SKalle Valo 1689bdcd8170SKalle Valo static const u32 cipher_suites[] = { 1690bdcd8170SKalle Valo WLAN_CIPHER_SUITE_WEP40, 1691bdcd8170SKalle Valo WLAN_CIPHER_SUITE_WEP104, 1692bdcd8170SKalle Valo WLAN_CIPHER_SUITE_TKIP, 1693bdcd8170SKalle Valo WLAN_CIPHER_SUITE_CCMP, 1694837cb97eSJouni Malinen CCKM_KRK_CIPHER_SUITE, 16955e07021eSDai Shuibing WLAN_CIPHER_SUITE_SMS4, 1696bdcd8170SKalle Valo }; 1697bdcd8170SKalle Valo 1698bdcd8170SKalle Valo static bool is_rate_legacy(s32 rate) 1699bdcd8170SKalle Valo { 1700bdcd8170SKalle Valo static const s32 legacy[] = { 1000, 2000, 5500, 11000, 1701bdcd8170SKalle Valo 6000, 9000, 12000, 18000, 24000, 1702bdcd8170SKalle Valo 36000, 48000, 54000 1703bdcd8170SKalle Valo }; 1704bdcd8170SKalle Valo u8 i; 1705bdcd8170SKalle Valo 1706bdcd8170SKalle Valo for (i = 0; i < ARRAY_SIZE(legacy); i++) 1707bdcd8170SKalle Valo if (rate == legacy[i]) 1708bdcd8170SKalle Valo return true; 1709bdcd8170SKalle Valo 1710bdcd8170SKalle Valo return false; 1711bdcd8170SKalle Valo } 1712bdcd8170SKalle Valo 1713bdcd8170SKalle Valo static bool is_rate_ht20(s32 rate, u8 *mcs, bool *sgi) 1714bdcd8170SKalle Valo { 1715bdcd8170SKalle Valo static const s32 ht20[] = { 6500, 13000, 19500, 26000, 39000, 1716bdcd8170SKalle Valo 52000, 58500, 65000, 72200 1717bdcd8170SKalle Valo }; 1718bdcd8170SKalle Valo u8 i; 1719bdcd8170SKalle Valo 1720bdcd8170SKalle Valo for (i = 0; i < ARRAY_SIZE(ht20); i++) { 1721bdcd8170SKalle Valo if (rate == ht20[i]) { 1722bdcd8170SKalle Valo if (i == ARRAY_SIZE(ht20) - 1) 1723bdcd8170SKalle Valo /* last rate uses sgi */ 1724bdcd8170SKalle Valo *sgi = true; 1725bdcd8170SKalle Valo else 1726bdcd8170SKalle Valo *sgi = false; 1727bdcd8170SKalle Valo 1728bdcd8170SKalle Valo *mcs = i; 1729bdcd8170SKalle Valo return true; 1730bdcd8170SKalle Valo } 1731bdcd8170SKalle Valo } 1732bdcd8170SKalle Valo return false; 1733bdcd8170SKalle Valo } 1734bdcd8170SKalle Valo 1735bdcd8170SKalle Valo static bool is_rate_ht40(s32 rate, u8 *mcs, bool *sgi) 1736bdcd8170SKalle Valo { 1737bdcd8170SKalle Valo static const s32 ht40[] = { 13500, 27000, 40500, 54000, 1738bdcd8170SKalle Valo 81000, 108000, 121500, 135000, 1739bdcd8170SKalle Valo 150000 1740bdcd8170SKalle Valo }; 1741bdcd8170SKalle Valo u8 i; 1742bdcd8170SKalle Valo 1743bdcd8170SKalle Valo for (i = 0; i < ARRAY_SIZE(ht40); i++) { 1744bdcd8170SKalle Valo if (rate == ht40[i]) { 1745bdcd8170SKalle Valo if (i == ARRAY_SIZE(ht40) - 1) 1746bdcd8170SKalle Valo /* last rate uses sgi */ 1747bdcd8170SKalle Valo *sgi = true; 1748bdcd8170SKalle Valo else 1749bdcd8170SKalle Valo *sgi = false; 1750bdcd8170SKalle Valo 1751bdcd8170SKalle Valo *mcs = i; 1752bdcd8170SKalle Valo return true; 1753bdcd8170SKalle Valo } 1754bdcd8170SKalle Valo } 1755bdcd8170SKalle Valo 1756bdcd8170SKalle Valo return false; 1757bdcd8170SKalle Valo } 1758bdcd8170SKalle Valo 1759bdcd8170SKalle Valo static int ath6kl_get_station(struct wiphy *wiphy, struct net_device *dev, 1760bdcd8170SKalle Valo u8 *mac, struct station_info *sinfo) 1761bdcd8170SKalle Valo { 1762bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 176359c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1764bdcd8170SKalle Valo long left; 1765bdcd8170SKalle Valo bool sgi; 1766bdcd8170SKalle Valo s32 rate; 1767bdcd8170SKalle Valo int ret; 1768bdcd8170SKalle Valo u8 mcs; 1769bdcd8170SKalle Valo 17708c8b65e3SVasanthakumar Thiagarajan if (memcmp(mac, vif->bssid, ETH_ALEN) != 0) 1771bdcd8170SKalle Valo return -ENOENT; 1772bdcd8170SKalle Valo 1773bdcd8170SKalle Valo if (down_interruptible(&ar->sem)) 1774bdcd8170SKalle Valo return -EBUSY; 1775bdcd8170SKalle Valo 1776b95907a7SVasanthakumar Thiagarajan set_bit(STATS_UPDATE_PEND, &vif->flags); 1777bdcd8170SKalle Valo 1778334234b5SVasanthakumar Thiagarajan ret = ath6kl_wmi_get_stats_cmd(ar->wmi, vif->fw_vif_idx); 1779bdcd8170SKalle Valo 1780bdcd8170SKalle Valo if (ret != 0) { 1781bdcd8170SKalle Valo up(&ar->sem); 1782bdcd8170SKalle Valo return -EIO; 1783bdcd8170SKalle Valo } 1784bdcd8170SKalle Valo 1785bdcd8170SKalle Valo left = wait_event_interruptible_timeout(ar->event_wq, 1786bdcd8170SKalle Valo !test_bit(STATS_UPDATE_PEND, 1787b95907a7SVasanthakumar Thiagarajan &vif->flags), 1788bdcd8170SKalle Valo WMI_TIMEOUT); 1789bdcd8170SKalle Valo 1790bdcd8170SKalle Valo up(&ar->sem); 1791bdcd8170SKalle Valo 1792bdcd8170SKalle Valo if (left == 0) 1793bdcd8170SKalle Valo return -ETIMEDOUT; 1794bdcd8170SKalle Valo else if (left < 0) 1795bdcd8170SKalle Valo return left; 1796bdcd8170SKalle Valo 1797b95907a7SVasanthakumar Thiagarajan if (vif->target_stats.rx_byte) { 1798b95907a7SVasanthakumar Thiagarajan sinfo->rx_bytes = vif->target_stats.rx_byte; 1799bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_RX_BYTES; 1800b95907a7SVasanthakumar Thiagarajan sinfo->rx_packets = vif->target_stats.rx_pkt; 1801bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_RX_PACKETS; 1802bdcd8170SKalle Valo } 1803bdcd8170SKalle Valo 1804b95907a7SVasanthakumar Thiagarajan if (vif->target_stats.tx_byte) { 1805b95907a7SVasanthakumar Thiagarajan sinfo->tx_bytes = vif->target_stats.tx_byte; 1806bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_TX_BYTES; 1807b95907a7SVasanthakumar Thiagarajan sinfo->tx_packets = vif->target_stats.tx_pkt; 1808bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_TX_PACKETS; 1809bdcd8170SKalle Valo } 1810bdcd8170SKalle Valo 1811b95907a7SVasanthakumar Thiagarajan sinfo->signal = vif->target_stats.cs_rssi; 1812bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_SIGNAL; 1813bdcd8170SKalle Valo 1814b95907a7SVasanthakumar Thiagarajan rate = vif->target_stats.tx_ucast_rate; 1815bdcd8170SKalle Valo 1816bdcd8170SKalle Valo if (is_rate_legacy(rate)) { 1817bdcd8170SKalle Valo sinfo->txrate.legacy = rate / 100; 1818bdcd8170SKalle Valo } else if (is_rate_ht20(rate, &mcs, &sgi)) { 1819bdcd8170SKalle Valo if (sgi) { 1820bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; 1821bdcd8170SKalle Valo sinfo->txrate.mcs = mcs - 1; 1822bdcd8170SKalle Valo } else { 1823bdcd8170SKalle Valo sinfo->txrate.mcs = mcs; 1824bdcd8170SKalle Valo } 1825bdcd8170SKalle Valo 1826bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; 1827bdcd8170SKalle Valo } else if (is_rate_ht40(rate, &mcs, &sgi)) { 1828bdcd8170SKalle Valo if (sgi) { 1829bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; 1830bdcd8170SKalle Valo sinfo->txrate.mcs = mcs - 1; 1831bdcd8170SKalle Valo } else { 1832bdcd8170SKalle Valo sinfo->txrate.mcs = mcs; 1833bdcd8170SKalle Valo } 1834bdcd8170SKalle Valo 1835bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; 1836bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; 1837bdcd8170SKalle Valo } else { 18389a730834SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 18399a730834SKalle Valo "invalid rate from stats: %d\n", rate); 18409a730834SKalle Valo ath6kl_debug_war(ar, ATH6KL_WAR_INVALID_RATE); 1841bdcd8170SKalle Valo return 0; 1842bdcd8170SKalle Valo } 1843bdcd8170SKalle Valo 1844bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_TX_BITRATE; 1845bdcd8170SKalle Valo 184659c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags) && 184759c98449SVasanthakumar Thiagarajan test_bit(DTIM_PERIOD_AVAIL, &vif->flags) && 1848f5938f24SVasanthakumar Thiagarajan vif->nw_type == INFRA_NETWORK) { 184932c10874SJouni Malinen sinfo->filled |= STATION_INFO_BSS_PARAM; 185032c10874SJouni Malinen sinfo->bss_param.flags = 0; 1851cf5333d7SVasanthakumar Thiagarajan sinfo->bss_param.dtim_period = vif->assoc_bss_dtim_period; 1852cf5333d7SVasanthakumar Thiagarajan sinfo->bss_param.beacon_interval = vif->assoc_bss_beacon_int; 185332c10874SJouni Malinen } 185432c10874SJouni Malinen 1855bdcd8170SKalle Valo return 0; 1856bdcd8170SKalle Valo } 1857bdcd8170SKalle Valo 1858bdcd8170SKalle Valo static int ath6kl_set_pmksa(struct wiphy *wiphy, struct net_device *netdev, 1859bdcd8170SKalle Valo struct cfg80211_pmksa *pmksa) 1860bdcd8170SKalle Valo { 1861bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(netdev); 1862334234b5SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(netdev); 1863334234b5SVasanthakumar Thiagarajan 1864334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid, 1865bdcd8170SKalle Valo pmksa->pmkid, true); 1866bdcd8170SKalle Valo } 1867bdcd8170SKalle Valo 1868bdcd8170SKalle Valo static int ath6kl_del_pmksa(struct wiphy *wiphy, struct net_device *netdev, 1869bdcd8170SKalle Valo struct cfg80211_pmksa *pmksa) 1870bdcd8170SKalle Valo { 1871bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(netdev); 1872334234b5SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(netdev); 1873334234b5SVasanthakumar Thiagarajan 1874334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid, 1875bdcd8170SKalle Valo pmksa->pmkid, false); 1876bdcd8170SKalle Valo } 1877bdcd8170SKalle Valo 1878bdcd8170SKalle Valo static int ath6kl_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev) 1879bdcd8170SKalle Valo { 1880bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(netdev); 188159c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(netdev); 188259c98449SVasanthakumar Thiagarajan 188359c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags)) 1884334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, 1885334234b5SVasanthakumar Thiagarajan vif->bssid, NULL, false); 1886bdcd8170SKalle Valo return 0; 1887bdcd8170SKalle Valo } 1888bdcd8170SKalle Valo 1889d91e8eeeSRaja Mani static int ath6kl_wow_usr(struct ath6kl *ar, struct ath6kl_vif *vif, 1890d91e8eeeSRaja Mani struct cfg80211_wowlan *wow, u32 *filter) 18916cb3c714SRaja Mani { 1892d91e8eeeSRaja Mani int ret, pos; 18932c07cf44SThomas Pedersen u8 mask[WOW_PATTERN_SIZE]; 18946cb3c714SRaja Mani u16 i; 18956cb3c714SRaja Mani 1896d91e8eeeSRaja Mani /* Configure the patterns that we received from the user. */ 18976cb3c714SRaja Mani for (i = 0; i < wow->n_patterns; i++) { 18986cb3c714SRaja Mani 18996cb3c714SRaja Mani /* 19006cb3c714SRaja Mani * Convert given nl80211 specific mask value to equivalent 19016cb3c714SRaja Mani * driver specific mask value and send it to the chip along 19026cb3c714SRaja Mani * with patterns. For example, If the mask value defined in 19036cb3c714SRaja Mani * struct cfg80211_wowlan is 0xA (equivalent binary is 1010), 19046cb3c714SRaja Mani * then equivalent driver specific mask value is 19056cb3c714SRaja Mani * "0xFF 0x00 0xFF 0x00". 19066cb3c714SRaja Mani */ 19076cb3c714SRaja Mani memset(&mask, 0, sizeof(mask)); 19086cb3c714SRaja Mani for (pos = 0; pos < wow->patterns[i].pattern_len; pos++) { 19096cb3c714SRaja Mani if (wow->patterns[i].mask[pos / 8] & (0x1 << (pos % 8))) 19106cb3c714SRaja Mani mask[pos] = 0xFF; 19116cb3c714SRaja Mani } 19126cb3c714SRaja Mani /* 19136cb3c714SRaja Mani * Note: Pattern's offset is not passed as part of wowlan 19146cb3c714SRaja Mani * parameter from CFG layer. So it's always passed as ZERO 19156cb3c714SRaja Mani * to the firmware. It means, given WOW patterns are always 19166cb3c714SRaja Mani * matched from the first byte of received pkt in the firmware. 19176cb3c714SRaja Mani */ 19186cb3c714SRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 19196cb3c714SRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 19206cb3c714SRaja Mani wow->patterns[i].pattern_len, 19216cb3c714SRaja Mani 0 /* pattern offset */, 19226cb3c714SRaja Mani wow->patterns[i].pattern, mask); 19236cb3c714SRaja Mani if (ret) 19246cb3c714SRaja Mani return ret; 19256cb3c714SRaja Mani } 19266cb3c714SRaja Mani 1927d91e8eeeSRaja Mani if (wow->disconnect) 1928d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_NWK_DISASSOC; 1929d91e8eeeSRaja Mani 1930d91e8eeeSRaja Mani if (wow->magic_pkt) 1931d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_MAGIC_PACKET; 1932d91e8eeeSRaja Mani 1933d91e8eeeSRaja Mani if (wow->gtk_rekey_failure) 1934d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_GTK_ERROR; 1935d91e8eeeSRaja Mani 1936d91e8eeeSRaja Mani if (wow->eap_identity_req) 1937d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_EAP_REQ; 1938d91e8eeeSRaja Mani 1939d91e8eeeSRaja Mani if (wow->four_way_handshake) 1940d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_8021X_4WAYHS; 1941d91e8eeeSRaja Mani 1942d91e8eeeSRaja Mani return 0; 1943d91e8eeeSRaja Mani } 1944d91e8eeeSRaja Mani 1945d91e8eeeSRaja Mani static int ath6kl_wow_ap(struct ath6kl *ar, struct ath6kl_vif *vif) 1946d91e8eeeSRaja Mani { 1947d91e8eeeSRaja Mani static const u8 unicst_pattern[] = { 0x00, 0x00, 0x00, 1948d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1949d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1950d91e8eeeSRaja Mani 0x00, 0x08 }; 1951d91e8eeeSRaja Mani static const u8 unicst_mask[] = { 0x01, 0x00, 0x00, 1952d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1953d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1954d91e8eeeSRaja Mani 0x00, 0x7f }; 1955d91e8eeeSRaja Mani u8 unicst_offset = 0; 1956d91e8eeeSRaja Mani static const u8 arp_pattern[] = { 0x08, 0x06 }; 1957d91e8eeeSRaja Mani static const u8 arp_mask[] = { 0xff, 0xff }; 1958d91e8eeeSRaja Mani u8 arp_offset = 20; 1959d91e8eeeSRaja Mani static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 }; 1960d91e8eeeSRaja Mani static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 }; 1961d91e8eeeSRaja Mani u8 discvr_offset = 38; 1962d91e8eeeSRaja Mani static const u8 dhcp_pattern[] = { 0xff, 0xff, 0xff, 0xff, 1963d91e8eeeSRaja Mani 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1964d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 1965d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1966d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1967d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x43 /* port 67 */ }; 1968d91e8eeeSRaja Mani static const u8 dhcp_mask[] = { 0xff, 0xff, 0xff, 0xff, 1969d91e8eeeSRaja Mani 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1970d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 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, 0xff, 0xff /* port 67 */ }; 1974d91e8eeeSRaja Mani u8 dhcp_offset = 0; 1975d91e8eeeSRaja Mani int ret; 1976d91e8eeeSRaja Mani 1977d91e8eeeSRaja Mani /* Setup unicast IP, EAPOL-like and ARP pkt pattern */ 1978d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 1979d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 1980d91e8eeeSRaja Mani sizeof(unicst_pattern), unicst_offset, 1981d91e8eeeSRaja Mani unicst_pattern, unicst_mask); 1982d91e8eeeSRaja Mani if (ret) { 1983d91e8eeeSRaja Mani ath6kl_err("failed to add WOW unicast IP pattern\n"); 1984d91e8eeeSRaja Mani return ret; 1985d91e8eeeSRaja Mani } 1986d91e8eeeSRaja Mani 1987d91e8eeeSRaja Mani /* Setup all ARP pkt pattern */ 1988d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 1989d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 1990d91e8eeeSRaja Mani sizeof(arp_pattern), arp_offset, 1991d91e8eeeSRaja Mani arp_pattern, arp_mask); 1992d91e8eeeSRaja Mani if (ret) { 1993d91e8eeeSRaja Mani ath6kl_err("failed to add WOW ARP pattern\n"); 1994d91e8eeeSRaja Mani return ret; 1995d91e8eeeSRaja Mani } 1996d91e8eeeSRaja Mani 1997d91e8eeeSRaja Mani /* 1998d91e8eeeSRaja Mani * Setup multicast pattern for mDNS 224.0.0.251, 1999d91e8eeeSRaja Mani * SSDP 239.255.255.250 and LLMNR 224.0.0.252 2000d91e8eeeSRaja Mani */ 2001d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 2002d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 2003d91e8eeeSRaja Mani sizeof(discvr_pattern), discvr_offset, 2004d91e8eeeSRaja Mani discvr_pattern, discvr_mask); 2005d91e8eeeSRaja Mani if (ret) { 2006d91e8eeeSRaja Mani ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n"); 2007d91e8eeeSRaja Mani return ret; 2008d91e8eeeSRaja Mani } 2009d91e8eeeSRaja Mani 2010d91e8eeeSRaja Mani /* Setup all DHCP broadcast pkt pattern */ 2011d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 2012d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 2013d91e8eeeSRaja Mani sizeof(dhcp_pattern), dhcp_offset, 2014d91e8eeeSRaja Mani dhcp_pattern, dhcp_mask); 2015d91e8eeeSRaja Mani if (ret) { 2016d91e8eeeSRaja Mani ath6kl_err("failed to add WOW DHCP broadcast pattern\n"); 2017d91e8eeeSRaja Mani return ret; 2018d91e8eeeSRaja Mani } 2019d91e8eeeSRaja Mani 2020d91e8eeeSRaja Mani return 0; 2021d91e8eeeSRaja Mani } 2022d91e8eeeSRaja Mani 2023d91e8eeeSRaja Mani static int ath6kl_wow_sta(struct ath6kl *ar, struct ath6kl_vif *vif) 2024d91e8eeeSRaja Mani { 2025d91e8eeeSRaja Mani struct net_device *ndev = vif->ndev; 2026d91e8eeeSRaja Mani static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 }; 2027d91e8eeeSRaja Mani static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 }; 2028d91e8eeeSRaja Mani u8 discvr_offset = 38; 2029d91e8eeeSRaja Mani u8 mac_mask[ETH_ALEN]; 2030d91e8eeeSRaja Mani int ret; 2031d91e8eeeSRaja Mani 2032d91e8eeeSRaja Mani /* Setup unicast pkt pattern */ 2033d91e8eeeSRaja Mani memset(mac_mask, 0xff, ETH_ALEN); 2034d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 2035d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 2036d91e8eeeSRaja Mani ETH_ALEN, 0, ndev->dev_addr, 2037d91e8eeeSRaja Mani mac_mask); 2038d91e8eeeSRaja Mani if (ret) { 2039d91e8eeeSRaja Mani ath6kl_err("failed to add WOW unicast pattern\n"); 2040d91e8eeeSRaja Mani return ret; 2041d91e8eeeSRaja Mani } 2042d91e8eeeSRaja Mani 2043d91e8eeeSRaja Mani /* 2044d91e8eeeSRaja Mani * Setup multicast pattern for mDNS 224.0.0.251, 2045d91e8eeeSRaja Mani * SSDP 239.255.255.250 and LLMNR 224.0.0.252 2046d91e8eeeSRaja Mani */ 2047d91e8eeeSRaja Mani if ((ndev->flags & IFF_ALLMULTI) || 2048d91e8eeeSRaja Mani (ndev->flags & IFF_MULTICAST && netdev_mc_count(ndev) > 0)) { 2049d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 2050d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 2051d91e8eeeSRaja Mani sizeof(discvr_pattern), discvr_offset, 2052d91e8eeeSRaja Mani discvr_pattern, discvr_mask); 2053d91e8eeeSRaja Mani if (ret) { 2054cdeb8602SKalle Valo ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n"); 2055d91e8eeeSRaja Mani return ret; 2056d91e8eeeSRaja Mani } 2057d91e8eeeSRaja Mani } 2058d91e8eeeSRaja Mani 2059d91e8eeeSRaja Mani return 0; 2060d91e8eeeSRaja Mani } 2061d91e8eeeSRaja Mani 2062055bde49SRaja Mani static int is_hsleep_mode_procsed(struct ath6kl_vif *vif) 2063055bde49SRaja Mani { 2064055bde49SRaja Mani return test_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags); 2065055bde49SRaja Mani } 2066055bde49SRaja Mani 2067055bde49SRaja Mani static bool is_ctrl_ep_empty(struct ath6kl *ar) 2068055bde49SRaja Mani { 2069055bde49SRaja Mani return !ar->tx_pending[ar->ctrl_ep]; 2070055bde49SRaja Mani } 2071055bde49SRaja Mani 2072055bde49SRaja Mani static int ath6kl_cfg80211_host_sleep(struct ath6kl *ar, struct ath6kl_vif *vif) 2073055bde49SRaja Mani { 2074055bde49SRaja Mani int ret, left; 2075055bde49SRaja Mani 2076055bde49SRaja Mani clear_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags); 2077055bde49SRaja Mani 2078055bde49SRaja Mani ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, 2079055bde49SRaja Mani ATH6KL_HOST_MODE_ASLEEP); 2080055bde49SRaja Mani if (ret) 2081055bde49SRaja Mani return ret; 2082055bde49SRaja Mani 2083055bde49SRaja Mani left = wait_event_interruptible_timeout(ar->event_wq, 2084055bde49SRaja Mani is_hsleep_mode_procsed(vif), 2085055bde49SRaja Mani WMI_TIMEOUT); 2086055bde49SRaja Mani if (left == 0) { 2087055bde49SRaja Mani ath6kl_warn("timeout, didn't get host sleep cmd processed event\n"); 2088055bde49SRaja Mani ret = -ETIMEDOUT; 2089055bde49SRaja Mani } else if (left < 0) { 2090055bde49SRaja Mani ath6kl_warn("error while waiting for host sleep cmd processed event %d\n", 2091055bde49SRaja Mani left); 2092055bde49SRaja Mani ret = left; 2093055bde49SRaja Mani } 2094055bde49SRaja Mani 2095055bde49SRaja Mani if (ar->tx_pending[ar->ctrl_ep]) { 2096055bde49SRaja Mani left = wait_event_interruptible_timeout(ar->event_wq, 2097055bde49SRaja Mani is_ctrl_ep_empty(ar), 2098055bde49SRaja Mani WMI_TIMEOUT); 2099055bde49SRaja Mani if (left == 0) { 2100055bde49SRaja Mani ath6kl_warn("clear wmi ctrl data timeout\n"); 2101055bde49SRaja Mani ret = -ETIMEDOUT; 2102055bde49SRaja Mani } else if (left < 0) { 2103055bde49SRaja Mani ath6kl_warn("clear wmi ctrl data failed: %d\n", left); 2104055bde49SRaja Mani ret = left; 2105055bde49SRaja Mani } 2106055bde49SRaja Mani } 2107055bde49SRaja Mani 2108055bde49SRaja Mani return ret; 2109055bde49SRaja Mani } 2110055bde49SRaja Mani 2111fd4377b6SThomas Pedersen static int ath6kl_wow_suspend_vif(struct ath6kl_vif *vif, 2112fd4377b6SThomas Pedersen struct cfg80211_wowlan *wow, u32 *filter) 2113d91e8eeeSRaja Mani { 2114fd4377b6SThomas Pedersen struct ath6kl *ar = vif->ar; 2115d91e8eeeSRaja Mani struct in_device *in_dev; 2116d91e8eeeSRaja Mani struct in_ifaddr *ifa; 2117055bde49SRaja Mani int ret; 2118ce0dc0cfSRaja Mani u16 i, bmiss_time; 2119d91e8eeeSRaja Mani __be32 ips[MAX_IP_ADDRS]; 2120fd4377b6SThomas Pedersen u8 index = 0; 2121d91e8eeeSRaja Mani 21226821d4f0SNaveen Gangadharan if (!test_bit(NETDEV_MCAST_ALL_ON, &vif->flags) && 21236821d4f0SNaveen Gangadharan test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER, 21246821d4f0SNaveen Gangadharan ar->fw_capabilities)) { 21256251d801SNaveen Gangadharan ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi, 21266251d801SNaveen Gangadharan vif->fw_vif_idx, false); 21276251d801SNaveen Gangadharan if (ret) 21286251d801SNaveen Gangadharan return ret; 21296251d801SNaveen Gangadharan } 21306251d801SNaveen Gangadharan 2131d91e8eeeSRaja Mani /* Clear existing WOW patterns */ 2132d91e8eeeSRaja Mani for (i = 0; i < WOW_MAX_FILTERS_PER_LIST; i++) 2133d91e8eeeSRaja Mani ath6kl_wmi_del_wow_pattern_cmd(ar->wmi, vif->fw_vif_idx, 2134d91e8eeeSRaja Mani WOW_LIST_ID, i); 2135d91e8eeeSRaja Mani 2136d91e8eeeSRaja Mani /* 2137d91e8eeeSRaja Mani * Skip the default WOW pattern configuration 2138d91e8eeeSRaja Mani * if the driver receives any WOW patterns from 2139d91e8eeeSRaja Mani * the user. 2140d91e8eeeSRaja Mani */ 2141d91e8eeeSRaja Mani if (wow) 2142fd4377b6SThomas Pedersen ret = ath6kl_wow_usr(ar, vif, wow, filter); 2143d91e8eeeSRaja Mani else if (vif->nw_type == AP_NETWORK) 2144d91e8eeeSRaja Mani ret = ath6kl_wow_ap(ar, vif); 2145d91e8eeeSRaja Mani else 2146d91e8eeeSRaja Mani ret = ath6kl_wow_sta(ar, vif); 2147d91e8eeeSRaja Mani 2148d91e8eeeSRaja Mani if (ret) 2149d91e8eeeSRaja Mani return ret; 2150d91e8eeeSRaja Mani 2151390a8c8fSRaja Mani netif_stop_queue(vif->ndev); 2152390a8c8fSRaja Mani 2153ce0dc0cfSRaja Mani if (vif->nw_type != AP_NETWORK) { 2154ce0dc0cfSRaja Mani ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx, 2155ce0dc0cfSRaja Mani ATH6KL_MAX_WOW_LISTEN_INTL, 2156ce0dc0cfSRaja Mani 0); 2157ce0dc0cfSRaja Mani if (ret) 2158ce0dc0cfSRaja Mani return ret; 2159ce0dc0cfSRaja Mani 2160ce0dc0cfSRaja Mani /* Set listen interval x 15 times as bmiss time */ 2161ce0dc0cfSRaja Mani bmiss_time = ATH6KL_MAX_WOW_LISTEN_INTL * 15; 2162ce0dc0cfSRaja Mani if (bmiss_time > ATH6KL_MAX_BMISS_TIME) 2163ce0dc0cfSRaja Mani bmiss_time = ATH6KL_MAX_BMISS_TIME; 2164ce0dc0cfSRaja Mani 2165ce0dc0cfSRaja Mani ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx, 2166ce0dc0cfSRaja Mani bmiss_time, 0); 2167ce0dc0cfSRaja Mani if (ret) 2168ce0dc0cfSRaja Mani return ret; 2169ce0dc0cfSRaja Mani 2170ce0dc0cfSRaja Mani ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 2171ce0dc0cfSRaja Mani 0xFFFF, 0, 0xFFFF, 0, 0, 0, 2172ce0dc0cfSRaja Mani 0, 0, 0, 0); 2173ce0dc0cfSRaja Mani if (ret) 2174ce0dc0cfSRaja Mani return ret; 2175ce0dc0cfSRaja Mani } 2176ce0dc0cfSRaja Mani 2177c08631c6SRaja Mani /* Setup own IP addr for ARP agent. */ 2178c08631c6SRaja Mani in_dev = __in_dev_get_rtnl(vif->ndev); 2179c08631c6SRaja Mani if (!in_dev) 2180fd4377b6SThomas Pedersen return 0; 2181c08631c6SRaja Mani 2182c08631c6SRaja Mani ifa = in_dev->ifa_list; 2183c08631c6SRaja Mani memset(&ips, 0, sizeof(ips)); 2184c08631c6SRaja Mani 2185c08631c6SRaja Mani /* Configure IP addr only if IP address count < MAX_IP_ADDRS */ 2186c08631c6SRaja Mani while (index < MAX_IP_ADDRS && ifa) { 2187c08631c6SRaja Mani ips[index] = ifa->ifa_local; 2188c08631c6SRaja Mani ifa = ifa->ifa_next; 2189c08631c6SRaja Mani index++; 2190c08631c6SRaja Mani } 2191c08631c6SRaja Mani 2192c08631c6SRaja Mani if (ifa) { 2193c08631c6SRaja Mani ath6kl_err("total IP addr count is exceeding fw limit\n"); 2194c08631c6SRaja Mani return -EINVAL; 2195c08631c6SRaja Mani } 2196c08631c6SRaja Mani 2197c08631c6SRaja Mani ret = ath6kl_wmi_set_ip_cmd(ar->wmi, vif->fw_vif_idx, ips[0], ips[1]); 2198c08631c6SRaja Mani if (ret) { 2199c08631c6SRaja Mani ath6kl_err("fail to setup ip for arp agent\n"); 2200c08631c6SRaja Mani return ret; 2201c08631c6SRaja Mani } 2202c08631c6SRaja Mani 2203fd4377b6SThomas Pedersen return ret; 2204fd4377b6SThomas Pedersen } 2205fd4377b6SThomas Pedersen 2206fd4377b6SThomas Pedersen static int ath6kl_wow_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow) 2207fd4377b6SThomas Pedersen { 2208fd4377b6SThomas Pedersen struct ath6kl_vif *first_vif, *vif; 2209fd4377b6SThomas Pedersen int ret = 0; 2210fd4377b6SThomas Pedersen u32 filter = 0; 2211fd4377b6SThomas Pedersen bool connected = false; 2212fd4377b6SThomas Pedersen 2213fd4377b6SThomas Pedersen /* enter / leave wow suspend on first vif always */ 2214fd4377b6SThomas Pedersen first_vif = ath6kl_vif_first(ar); 2215fd4377b6SThomas Pedersen if (WARN_ON(unlikely(!first_vif)) || 2216fd4377b6SThomas Pedersen !ath6kl_cfg80211_ready(first_vif)) 2217fd4377b6SThomas Pedersen return -EIO; 2218fd4377b6SThomas Pedersen 2219fd4377b6SThomas Pedersen if (wow && (wow->n_patterns > WOW_MAX_FILTERS_PER_LIST)) 2220fd4377b6SThomas Pedersen return -EINVAL; 2221fd4377b6SThomas Pedersen 2222fd4377b6SThomas Pedersen /* install filters for each connected vif */ 2223fd4377b6SThomas Pedersen spin_lock_bh(&ar->list_lock); 2224fd4377b6SThomas Pedersen list_for_each_entry(vif, &ar->vif_list, list) { 2225fd4377b6SThomas Pedersen if (!test_bit(CONNECTED, &vif->flags) || 2226fd4377b6SThomas Pedersen !ath6kl_cfg80211_ready(vif)) 2227fd4377b6SThomas Pedersen continue; 2228fd4377b6SThomas Pedersen connected = true; 2229fd4377b6SThomas Pedersen 2230fd4377b6SThomas Pedersen ret = ath6kl_wow_suspend_vif(vif, wow, &filter); 2231fd4377b6SThomas Pedersen if (ret) 2232fd4377b6SThomas Pedersen break; 2233fd4377b6SThomas Pedersen } 2234fd4377b6SThomas Pedersen spin_unlock_bh(&ar->list_lock); 2235fd4377b6SThomas Pedersen 2236fd4377b6SThomas Pedersen if (!connected) 2237fd4377b6SThomas Pedersen return -ENOTCONN; 2238fd4377b6SThomas Pedersen else if (ret) 2239fd4377b6SThomas Pedersen return ret; 2240fd4377b6SThomas Pedersen 2241fd4377b6SThomas Pedersen ar->state = ATH6KL_STATE_SUSPENDING; 2242fd4377b6SThomas Pedersen 2243fd4377b6SThomas Pedersen ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, first_vif->fw_vif_idx, 22446cb3c714SRaja Mani ATH6KL_WOW_MODE_ENABLE, 22456cb3c714SRaja Mani filter, 22466cb3c714SRaja Mani WOW_HOST_REQ_DELAY); 22476cb3c714SRaja Mani if (ret) 22486cb3c714SRaja Mani return ret; 22496cb3c714SRaja Mani 2250fd4377b6SThomas Pedersen return ath6kl_cfg80211_host_sleep(ar, first_vif); 22516cb3c714SRaja Mani } 22526cb3c714SRaja Mani 2253fd4377b6SThomas Pedersen static int ath6kl_wow_resume_vif(struct ath6kl_vif *vif) 22546cb3c714SRaja Mani { 2255fd4377b6SThomas Pedersen struct ath6kl *ar = vif->ar; 22566cb3c714SRaja Mani int ret; 22576cb3c714SRaja Mani 2258ce0dc0cfSRaja Mani if (vif->nw_type != AP_NETWORK) { 2259ce0dc0cfSRaja Mani ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 2260ce0dc0cfSRaja Mani 0, 0, 0, 0, 0, 0, 3, 0, 0, 0); 2261ce0dc0cfSRaja Mani if (ret) 2262ce0dc0cfSRaja Mani return ret; 2263ce0dc0cfSRaja Mani 2264ce0dc0cfSRaja Mani ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx, 2265ce0dc0cfSRaja Mani vif->listen_intvl_t, 0); 2266ce0dc0cfSRaja Mani if (ret) 2267ce0dc0cfSRaja Mani return ret; 2268ce0dc0cfSRaja Mani 2269ce0dc0cfSRaja Mani ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx, 2270ce0dc0cfSRaja Mani vif->bmiss_time_t, 0); 2271ce0dc0cfSRaja Mani if (ret) 2272ce0dc0cfSRaja Mani return ret; 2273ce0dc0cfSRaja Mani } 2274ce0dc0cfSRaja Mani 22756821d4f0SNaveen Gangadharan if (!test_bit(NETDEV_MCAST_ALL_OFF, &vif->flags) && 22766821d4f0SNaveen Gangadharan test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER, 22776821d4f0SNaveen Gangadharan ar->fw_capabilities)) { 22786251d801SNaveen Gangadharan ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi, 22796251d801SNaveen Gangadharan vif->fw_vif_idx, true); 22806251d801SNaveen Gangadharan if (ret) 22816251d801SNaveen Gangadharan return ret; 22826251d801SNaveen Gangadharan } 22836251d801SNaveen Gangadharan 2284390a8c8fSRaja Mani netif_wake_queue(vif->ndev); 2285390a8c8fSRaja Mani 2286390a8c8fSRaja Mani return 0; 2287390a8c8fSRaja Mani } 2288390a8c8fSRaja Mani 2289fd4377b6SThomas Pedersen static int ath6kl_wow_resume(struct ath6kl *ar) 2290fd4377b6SThomas Pedersen { 2291fd4377b6SThomas Pedersen struct ath6kl_vif *vif; 2292fd4377b6SThomas Pedersen int ret; 2293fd4377b6SThomas Pedersen 2294fd4377b6SThomas Pedersen vif = ath6kl_vif_first(ar); 2295fd4377b6SThomas Pedersen if (WARN_ON(unlikely(!vif)) || 2296fd4377b6SThomas Pedersen !ath6kl_cfg80211_ready(vif)) 2297fd4377b6SThomas Pedersen return -EIO; 2298fd4377b6SThomas Pedersen 2299fd4377b6SThomas Pedersen ar->state = ATH6KL_STATE_RESUMING; 2300fd4377b6SThomas Pedersen 2301fd4377b6SThomas Pedersen ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, 2302fd4377b6SThomas Pedersen ATH6KL_HOST_MODE_AWAKE); 2303fd4377b6SThomas Pedersen if (ret) { 2304fd4377b6SThomas Pedersen ath6kl_warn("Failed to configure host sleep mode for wow resume: %d\n", 2305fd4377b6SThomas Pedersen ret); 2306fd4377b6SThomas Pedersen goto cleanup; 2307fd4377b6SThomas Pedersen } 2308fd4377b6SThomas Pedersen 2309fd4377b6SThomas Pedersen spin_lock_bh(&ar->list_lock); 2310fd4377b6SThomas Pedersen list_for_each_entry(vif, &ar->vif_list, list) { 2311fd4377b6SThomas Pedersen if (!test_bit(CONNECTED, &vif->flags) || 2312fd4377b6SThomas Pedersen !ath6kl_cfg80211_ready(vif)) 2313fd4377b6SThomas Pedersen continue; 2314fd4377b6SThomas Pedersen ret = ath6kl_wow_resume_vif(vif); 2315fd4377b6SThomas Pedersen if (ret) 2316fd4377b6SThomas Pedersen break; 2317fd4377b6SThomas Pedersen } 2318fd4377b6SThomas Pedersen spin_unlock_bh(&ar->list_lock); 2319fd4377b6SThomas Pedersen 2320fd4377b6SThomas Pedersen if (ret) 2321fd4377b6SThomas Pedersen goto cleanup; 2322fd4377b6SThomas Pedersen 2323fd4377b6SThomas Pedersen ar->state = ATH6KL_STATE_ON; 2324fd4377b6SThomas Pedersen return 0; 2325fd4377b6SThomas Pedersen 2326fd4377b6SThomas Pedersen cleanup: 2327fd4377b6SThomas Pedersen ar->state = ATH6KL_STATE_WOW; 2328fd4377b6SThomas Pedersen return ret; 2329fd4377b6SThomas Pedersen } 2330fd4377b6SThomas Pedersen 233140abc2deSRaja Mani static int ath6kl_cfg80211_deepsleep_suspend(struct ath6kl *ar) 233240abc2deSRaja Mani { 233340abc2deSRaja Mani struct ath6kl_vif *vif; 233440abc2deSRaja Mani int ret; 233540abc2deSRaja Mani 233640abc2deSRaja Mani vif = ath6kl_vif_first(ar); 233740abc2deSRaja Mani if (!vif) 233840abc2deSRaja Mani return -EIO; 233940abc2deSRaja Mani 234048f27587SMing Jiang if (!test_bit(WMI_READY, &ar->flag)) { 234148f27587SMing Jiang ath6kl_err("deepsleep failed as wmi is not ready\n"); 234240abc2deSRaja Mani return -EIO; 234348f27587SMing Jiang } 234440abc2deSRaja Mani 234540abc2deSRaja Mani ath6kl_cfg80211_stop_all(ar); 234640abc2deSRaja Mani 234740abc2deSRaja Mani /* Save the current power mode before enabling power save */ 234840abc2deSRaja Mani ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode; 234940abc2deSRaja Mani 235040abc2deSRaja Mani ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER); 235140abc2deSRaja Mani if (ret) 235240abc2deSRaja Mani return ret; 235340abc2deSRaja Mani 235440abc2deSRaja Mani /* Disable WOW mode */ 235540abc2deSRaja Mani ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx, 235640abc2deSRaja Mani ATH6KL_WOW_MODE_DISABLE, 235740abc2deSRaja Mani 0, 0); 235840abc2deSRaja Mani if (ret) 235940abc2deSRaja Mani return ret; 236040abc2deSRaja Mani 236140abc2deSRaja Mani /* Flush all non control pkts in TX path */ 236240abc2deSRaja Mani ath6kl_tx_data_cleanup(ar); 236340abc2deSRaja Mani 236440abc2deSRaja Mani ret = ath6kl_cfg80211_host_sleep(ar, vif); 236540abc2deSRaja Mani if (ret) 236640abc2deSRaja Mani return ret; 236740abc2deSRaja Mani 236840abc2deSRaja Mani return 0; 236940abc2deSRaja Mani } 237040abc2deSRaja Mani 237140abc2deSRaja Mani static int ath6kl_cfg80211_deepsleep_resume(struct ath6kl *ar) 237240abc2deSRaja Mani { 237340abc2deSRaja Mani struct ath6kl_vif *vif; 237440abc2deSRaja Mani int ret; 237540abc2deSRaja Mani 237640abc2deSRaja Mani vif = ath6kl_vif_first(ar); 237740abc2deSRaja Mani 237840abc2deSRaja Mani if (!vif) 237940abc2deSRaja Mani return -EIO; 238040abc2deSRaja Mani 238140abc2deSRaja Mani if (ar->wmi->pwr_mode != ar->wmi->saved_pwr_mode) { 238240abc2deSRaja Mani ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, 238340abc2deSRaja Mani ar->wmi->saved_pwr_mode); 238440abc2deSRaja Mani if (ret) 238540abc2deSRaja Mani return ret; 238640abc2deSRaja Mani } 238740abc2deSRaja Mani 238840abc2deSRaja Mani ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, 238940abc2deSRaja Mani ATH6KL_HOST_MODE_AWAKE); 239040abc2deSRaja Mani if (ret) 239140abc2deSRaja Mani return ret; 239240abc2deSRaja Mani 239340abc2deSRaja Mani ar->state = ATH6KL_STATE_ON; 239440abc2deSRaja Mani 239540abc2deSRaja Mani /* Reset scan parameter to default values */ 239640abc2deSRaja Mani ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 239740abc2deSRaja Mani 0, 0, 0, 0, 0, 0, 3, 0, 0, 0); 239840abc2deSRaja Mani if (ret) 239940abc2deSRaja Mani return ret; 240040abc2deSRaja Mani 240140abc2deSRaja Mani return 0; 240240abc2deSRaja Mani } 240340abc2deSRaja Mani 240452d81a68SKalle Valo int ath6kl_cfg80211_suspend(struct ath6kl *ar, 24050f60e9f4SRaja Mani enum ath6kl_cfg_suspend_mode mode, 24060f60e9f4SRaja Mani struct cfg80211_wowlan *wow) 240752d81a68SKalle Valo { 24083d79499cSVivek Natarajan struct ath6kl_vif *vif; 2409390a8c8fSRaja Mani enum ath6kl_state prev_state; 241052d81a68SKalle Valo int ret; 241152d81a68SKalle Valo 241252d81a68SKalle Valo switch (mode) { 2413d7c44e0bSRaja Mani case ATH6KL_CFG_SUSPEND_WOW: 2414d7c44e0bSRaja Mani 2415d7c44e0bSRaja Mani ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode suspend\n"); 2416d7c44e0bSRaja Mani 2417d7c44e0bSRaja Mani /* Flush all non control pkts in TX path */ 2418d7c44e0bSRaja Mani ath6kl_tx_data_cleanup(ar); 2419d7c44e0bSRaja Mani 2420390a8c8fSRaja Mani prev_state = ar->state; 2421390a8c8fSRaja Mani 2422d7c44e0bSRaja Mani ret = ath6kl_wow_suspend(ar, wow); 2423390a8c8fSRaja Mani if (ret) { 2424390a8c8fSRaja Mani ar->state = prev_state; 2425d7c44e0bSRaja Mani return ret; 2426390a8c8fSRaja Mani } 24271e9a905dSRaja Mani 2428d7c44e0bSRaja Mani ar->state = ATH6KL_STATE_WOW; 2429d7c44e0bSRaja Mani break; 2430d7c44e0bSRaja Mani 243152d81a68SKalle Valo case ATH6KL_CFG_SUSPEND_DEEPSLEEP: 2432524441e3SRaja Mani 243340abc2deSRaja Mani ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep suspend\n"); 2434524441e3SRaja Mani 243540abc2deSRaja Mani ret = ath6kl_cfg80211_deepsleep_suspend(ar); 243652d81a68SKalle Valo if (ret) { 243740abc2deSRaja Mani ath6kl_err("deepsleep suspend failed: %d\n", ret); 243840abc2deSRaja Mani return ret; 243952d81a68SKalle Valo } 244052d81a68SKalle Valo 244176a9fbe2SKalle Valo ar->state = ATH6KL_STATE_DEEPSLEEP; 244276a9fbe2SKalle Valo 244352d81a68SKalle Valo break; 2444b4b2a0b1SKalle Valo 2445b4b2a0b1SKalle Valo case ATH6KL_CFG_SUSPEND_CUTPOWER: 2446524441e3SRaja Mani 24477125f01dSKalle Valo ath6kl_cfg80211_stop_all(ar); 2448524441e3SRaja Mani 2449b4b2a0b1SKalle Valo if (ar->state == ATH6KL_STATE_OFF) { 2450b4b2a0b1SKalle Valo ath6kl_dbg(ATH6KL_DBG_SUSPEND, 2451b4b2a0b1SKalle Valo "suspend hw off, no action for cutpower\n"); 2452b4b2a0b1SKalle Valo break; 2453b4b2a0b1SKalle Valo } 2454b4b2a0b1SKalle Valo 2455b4b2a0b1SKalle Valo ath6kl_dbg(ATH6KL_DBG_SUSPEND, "suspend cutting power\n"); 2456b4b2a0b1SKalle Valo 2457b4b2a0b1SKalle Valo ret = ath6kl_init_hw_stop(ar); 2458b4b2a0b1SKalle Valo if (ret) { 2459b4b2a0b1SKalle Valo ath6kl_warn("failed to stop hw during suspend: %d\n", 2460b4b2a0b1SKalle Valo ret); 2461b4b2a0b1SKalle Valo } 2462b4b2a0b1SKalle Valo 2463b4b2a0b1SKalle Valo ar->state = ATH6KL_STATE_CUTPOWER; 2464b4b2a0b1SKalle Valo 2465b4b2a0b1SKalle Valo break; 2466b4b2a0b1SKalle Valo 2467b4b2a0b1SKalle Valo default: 2468b4b2a0b1SKalle Valo break; 246952d81a68SKalle Valo } 247052d81a68SKalle Valo 24713d79499cSVivek Natarajan list_for_each_entry(vif, &ar->vif_list, list) 24723d79499cSVivek Natarajan ath6kl_cfg80211_scan_complete_event(vif, true); 24733d79499cSVivek Natarajan 247452d81a68SKalle Valo return 0; 247552d81a68SKalle Valo } 2476d6a434d6SKalle Valo EXPORT_SYMBOL(ath6kl_cfg80211_suspend); 247752d81a68SKalle Valo 247852d81a68SKalle Valo int ath6kl_cfg80211_resume(struct ath6kl *ar) 247952d81a68SKalle Valo { 248076a9fbe2SKalle Valo int ret; 248176a9fbe2SKalle Valo 248276a9fbe2SKalle Valo switch (ar->state) { 2483d7c44e0bSRaja Mani case ATH6KL_STATE_WOW: 2484d7c44e0bSRaja Mani ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode resume\n"); 2485d7c44e0bSRaja Mani 2486d7c44e0bSRaja Mani ret = ath6kl_wow_resume(ar); 2487d7c44e0bSRaja Mani if (ret) { 2488d7c44e0bSRaja Mani ath6kl_warn("wow mode resume failed: %d\n", ret); 2489d7c44e0bSRaja Mani return ret; 2490d7c44e0bSRaja Mani } 2491d7c44e0bSRaja Mani 2492d7c44e0bSRaja Mani break; 2493d7c44e0bSRaja Mani 249476a9fbe2SKalle Valo case ATH6KL_STATE_DEEPSLEEP: 249540abc2deSRaja Mani ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep resume\n"); 249640abc2deSRaja Mani 249740abc2deSRaja Mani ret = ath6kl_cfg80211_deepsleep_resume(ar); 249876a9fbe2SKalle Valo if (ret) { 249940abc2deSRaja Mani ath6kl_warn("deep sleep resume failed: %d\n", ret); 250040abc2deSRaja Mani return ret; 250176a9fbe2SKalle Valo } 250276a9fbe2SKalle Valo break; 250376a9fbe2SKalle Valo 2504b4b2a0b1SKalle Valo case ATH6KL_STATE_CUTPOWER: 2505b4b2a0b1SKalle Valo ath6kl_dbg(ATH6KL_DBG_SUSPEND, "resume restoring power\n"); 2506b4b2a0b1SKalle Valo 2507b4b2a0b1SKalle Valo ret = ath6kl_init_hw_start(ar); 2508b4b2a0b1SKalle Valo if (ret) { 2509b4b2a0b1SKalle Valo ath6kl_warn("Failed to boot hw in resume: %d\n", ret); 2510b4b2a0b1SKalle Valo return ret; 2511b4b2a0b1SKalle Valo } 2512d7c44e0bSRaja Mani break; 2513b4b2a0b1SKalle Valo 251476a9fbe2SKalle Valo default: 251576a9fbe2SKalle Valo break; 251652d81a68SKalle Valo } 251752d81a68SKalle Valo 251852d81a68SKalle Valo return 0; 251952d81a68SKalle Valo } 2520d6a434d6SKalle Valo EXPORT_SYMBOL(ath6kl_cfg80211_resume); 252152d81a68SKalle Valo 2522abcb344bSKalle Valo #ifdef CONFIG_PM 252352d81a68SKalle Valo 252452d81a68SKalle Valo /* hif layer decides what suspend mode to use */ 252552d81a68SKalle Valo static int __ath6kl_cfg80211_suspend(struct wiphy *wiphy, 2526abcb344bSKalle Valo struct cfg80211_wowlan *wow) 2527abcb344bSKalle Valo { 2528abcb344bSKalle Valo struct ath6kl *ar = wiphy_priv(wiphy); 2529abcb344bSKalle Valo 253084caf800SVasanthakumar Thiagarajan ath6kl_recovery_suspend(ar); 253184caf800SVasanthakumar Thiagarajan 25320f60e9f4SRaja Mani return ath6kl_hif_suspend(ar, wow); 2533abcb344bSKalle Valo } 2534aa6cffc1SChilam Ng 253552d81a68SKalle Valo static int __ath6kl_cfg80211_resume(struct wiphy *wiphy) 2536aa6cffc1SChilam Ng { 2537aa6cffc1SChilam Ng struct ath6kl *ar = wiphy_priv(wiphy); 253884caf800SVasanthakumar Thiagarajan int err; 2539aa6cffc1SChilam Ng 254084caf800SVasanthakumar Thiagarajan err = ath6kl_hif_resume(ar); 254184caf800SVasanthakumar Thiagarajan if (err) 254284caf800SVasanthakumar Thiagarajan return err; 254384caf800SVasanthakumar Thiagarajan 254492332993SVasanthakumar Thiagarajan ath6kl_recovery_resume(ar); 254584caf800SVasanthakumar Thiagarajan 254684caf800SVasanthakumar Thiagarajan return 0; 2547aa6cffc1SChilam Ng } 2548a918fb3cSRaja Mani 2549a918fb3cSRaja Mani /* 2550a918fb3cSRaja Mani * FIXME: WOW suspend mode is selected if the host sdio controller supports 2551a918fb3cSRaja Mani * both sdio irq wake up and keep power. The target pulls sdio data line to 2552a918fb3cSRaja Mani * wake up the host when WOW pattern matches. This causes sdio irq handler 2553a918fb3cSRaja Mani * is being called in the host side which internally hits ath6kl's RX path. 2554a918fb3cSRaja Mani * 2555a918fb3cSRaja Mani * Since sdio interrupt is not disabled, RX path executes even before 2556a918fb3cSRaja Mani * the host executes the actual resume operation from PM module. 2557a918fb3cSRaja Mani * 2558a918fb3cSRaja Mani * In the current scenario, WOW resume should happen before start processing 2559a918fb3cSRaja Mani * any data from the target. So It's required to perform WOW resume in RX path. 2560a918fb3cSRaja Mani * Ideally we should perform WOW resume only in the actual platform 2561a918fb3cSRaja Mani * resume path. This area needs bit rework to avoid WOW resume in RX path. 2562a918fb3cSRaja Mani * 2563a918fb3cSRaja Mani * ath6kl_check_wow_status() is called from ath6kl_rx(). 2564a918fb3cSRaja Mani */ 2565a918fb3cSRaja Mani void ath6kl_check_wow_status(struct ath6kl *ar) 2566a918fb3cSRaja Mani { 2567390a8c8fSRaja Mani if (ar->state == ATH6KL_STATE_SUSPENDING) 2568390a8c8fSRaja Mani return; 2569390a8c8fSRaja Mani 2570a918fb3cSRaja Mani if (ar->state == ATH6KL_STATE_WOW) 2571a918fb3cSRaja Mani ath6kl_cfg80211_resume(ar); 2572a918fb3cSRaja Mani } 2573a918fb3cSRaja Mani 2574a918fb3cSRaja Mani #else 2575a918fb3cSRaja Mani 2576a918fb3cSRaja Mani void ath6kl_check_wow_status(struct ath6kl *ar) 2577a918fb3cSRaja Mani { 2578a918fb3cSRaja Mani } 2579abcb344bSKalle Valo #endif 2580abcb344bSKalle Valo 2581df90b369SVasanthakumar Thiagarajan static int ath6kl_set_htcap(struct ath6kl_vif *vif, enum ieee80211_band band, 2582df90b369SVasanthakumar Thiagarajan bool ht_enable) 25836a7c9badSJouni Malinen { 258467b3f129SKiran Reddy struct ath6kl_htcap *htcap = &vif->htcap[band]; 2585e68f6750SSujith Manoharan 2586df90b369SVasanthakumar Thiagarajan if (htcap->ht_enable == ht_enable) 25876a7c9badSJouni Malinen return 0; 2588df90b369SVasanthakumar Thiagarajan 2589df90b369SVasanthakumar Thiagarajan if (ht_enable) { 2590df90b369SVasanthakumar Thiagarajan /* Set default ht capabilities */ 2591df90b369SVasanthakumar Thiagarajan htcap->ht_enable = true; 2592df90b369SVasanthakumar Thiagarajan htcap->cap_info = (band == IEEE80211_BAND_2GHZ) ? 2593df90b369SVasanthakumar Thiagarajan ath6kl_g_htcap : ath6kl_a_htcap; 2594df90b369SVasanthakumar Thiagarajan htcap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K; 2595df90b369SVasanthakumar Thiagarajan } else /* Disable ht */ 2596df90b369SVasanthakumar Thiagarajan memset(htcap, 0, sizeof(*htcap)); 2597df90b369SVasanthakumar Thiagarajan 2598df90b369SVasanthakumar Thiagarajan return ath6kl_wmi_set_htcap_cmd(vif->ar->wmi, vif->fw_vif_idx, 2599df90b369SVasanthakumar Thiagarajan band, htcap); 26006a7c9badSJouni Malinen } 26016a7c9badSJouni Malinen 260237a2f950SThomas Pedersen static int ath6kl_restore_htcap(struct ath6kl_vif *vif) 260337a2f950SThomas Pedersen { 260437a2f950SThomas Pedersen struct wiphy *wiphy = vif->ar->wiphy; 260537a2f950SThomas Pedersen int band, ret = 0; 260637a2f950SThomas Pedersen 260737a2f950SThomas Pedersen for (band = 0; band < IEEE80211_NUM_BANDS; band++) { 260837a2f950SThomas Pedersen if (!wiphy->bands[band]) 260937a2f950SThomas Pedersen continue; 261037a2f950SThomas Pedersen 261137a2f950SThomas Pedersen ret = ath6kl_set_htcap(vif, band, 261237a2f950SThomas Pedersen wiphy->bands[band]->ht_cap.ht_supported); 261337a2f950SThomas Pedersen if (ret) 261437a2f950SThomas Pedersen return ret; 261537a2f950SThomas Pedersen } 261637a2f950SThomas Pedersen 261737a2f950SThomas Pedersen return ret; 261837a2f950SThomas Pedersen } 261937a2f950SThomas Pedersen 26208bdfbf40SJouni Malinen static bool ath6kl_is_p2p_ie(const u8 *pos) 26218bdfbf40SJouni Malinen { 26228bdfbf40SJouni Malinen return pos[0] == WLAN_EID_VENDOR_SPECIFIC && pos[1] >= 4 && 26238bdfbf40SJouni Malinen pos[2] == 0x50 && pos[3] == 0x6f && 26248bdfbf40SJouni Malinen pos[4] == 0x9a && pos[5] == 0x09; 26258bdfbf40SJouni Malinen } 26268bdfbf40SJouni Malinen 2627334234b5SVasanthakumar Thiagarajan static int ath6kl_set_ap_probe_resp_ies(struct ath6kl_vif *vif, 2628334234b5SVasanthakumar Thiagarajan const u8 *ies, size_t ies_len) 26298bdfbf40SJouni Malinen { 2630334234b5SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 26318bdfbf40SJouni Malinen const u8 *pos; 26328bdfbf40SJouni Malinen u8 *buf = NULL; 26338bdfbf40SJouni Malinen size_t len = 0; 26348bdfbf40SJouni Malinen int ret; 26358bdfbf40SJouni Malinen 26368bdfbf40SJouni Malinen /* 26378bdfbf40SJouni Malinen * Filter out P2P IE(s) since they will be included depending on 26388bdfbf40SJouni Malinen * the Probe Request frame in ath6kl_send_go_probe_resp(). 26398bdfbf40SJouni Malinen */ 26408bdfbf40SJouni Malinen 26418bdfbf40SJouni Malinen if (ies && ies_len) { 26428bdfbf40SJouni Malinen buf = kmalloc(ies_len, GFP_KERNEL); 26438bdfbf40SJouni Malinen if (buf == NULL) 26448bdfbf40SJouni Malinen return -ENOMEM; 26458bdfbf40SJouni Malinen pos = ies; 26468bdfbf40SJouni Malinen while (pos + 1 < ies + ies_len) { 26478bdfbf40SJouni Malinen if (pos + 2 + pos[1] > ies + ies_len) 26488bdfbf40SJouni Malinen break; 26498bdfbf40SJouni Malinen if (!ath6kl_is_p2p_ie(pos)) { 26508bdfbf40SJouni Malinen memcpy(buf + len, pos, 2 + pos[1]); 26518bdfbf40SJouni Malinen len += 2 + pos[1]; 26528bdfbf40SJouni Malinen } 26538bdfbf40SJouni Malinen pos += 2 + pos[1]; 26548bdfbf40SJouni Malinen } 26558bdfbf40SJouni Malinen } 26568bdfbf40SJouni Malinen 2657334234b5SVasanthakumar Thiagarajan ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 2658334234b5SVasanthakumar Thiagarajan WMI_FRAME_PROBE_RESP, buf, len); 26598bdfbf40SJouni Malinen kfree(buf); 26608bdfbf40SJouni Malinen return ret; 26618bdfbf40SJouni Malinen } 26628bdfbf40SJouni Malinen 26638860020eSJohannes Berg static int ath6kl_set_ies(struct ath6kl_vif *vif, 26648860020eSJohannes Berg struct cfg80211_beacon_data *info) 26658860020eSJohannes Berg { 26668860020eSJohannes Berg struct ath6kl *ar = vif->ar; 26678860020eSJohannes Berg int res; 26688860020eSJohannes Berg 266917a7b16dSAarthi Thiruvengadam /* this also clears IE in fw if it's not set */ 26708860020eSJohannes Berg res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 26718860020eSJohannes Berg WMI_FRAME_BEACON, 26728860020eSJohannes Berg info->beacon_ies, 26738860020eSJohannes Berg info->beacon_ies_len); 26748860020eSJohannes Berg if (res) 26758860020eSJohannes Berg return res; 26768860020eSJohannes Berg 267717a7b16dSAarthi Thiruvengadam /* this also clears IE in fw if it's not set */ 26788860020eSJohannes Berg res = ath6kl_set_ap_probe_resp_ies(vif, info->proberesp_ies, 26798860020eSJohannes Berg info->proberesp_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_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 26858860020eSJohannes Berg WMI_FRAME_ASSOC_RESP, 26868860020eSJohannes Berg info->assocresp_ies, 26878860020eSJohannes Berg info->assocresp_ies_len); 26888860020eSJohannes Berg if (res) 26898860020eSJohannes Berg return res; 26908860020eSJohannes Berg 26918860020eSJohannes Berg return 0; 26928860020eSJohannes Berg } 26938860020eSJohannes Berg 2694d97c121bSVasanthakumar Thiagarajan static int ath6kl_get_rsn_capab(struct cfg80211_beacon_data *beacon, 2695d97c121bSVasanthakumar Thiagarajan u8 *rsn_capab) 2696d97c121bSVasanthakumar Thiagarajan { 2697d97c121bSVasanthakumar Thiagarajan const u8 *rsn_ie; 2698d97c121bSVasanthakumar Thiagarajan size_t rsn_ie_len; 2699d97c121bSVasanthakumar Thiagarajan u16 cnt; 2700d97c121bSVasanthakumar Thiagarajan 2701d97c121bSVasanthakumar Thiagarajan if (!beacon->tail) 2702d97c121bSVasanthakumar Thiagarajan return -EINVAL; 2703d97c121bSVasanthakumar Thiagarajan 2704d97c121bSVasanthakumar Thiagarajan rsn_ie = cfg80211_find_ie(WLAN_EID_RSN, beacon->tail, beacon->tail_len); 2705d97c121bSVasanthakumar Thiagarajan if (!rsn_ie) 2706d97c121bSVasanthakumar Thiagarajan return -EINVAL; 2707d97c121bSVasanthakumar Thiagarajan 2708d97c121bSVasanthakumar Thiagarajan rsn_ie_len = *(rsn_ie + 1); 2709d97c121bSVasanthakumar Thiagarajan /* skip element id and length */ 2710d97c121bSVasanthakumar Thiagarajan rsn_ie += 2; 2711d97c121bSVasanthakumar Thiagarajan 27129e8b16dbSVasanthakumar Thiagarajan /* skip version */ 27139e8b16dbSVasanthakumar Thiagarajan if (rsn_ie_len < 2) 2714d97c121bSVasanthakumar Thiagarajan return -EINVAL; 27159e8b16dbSVasanthakumar Thiagarajan rsn_ie += 2; 27169e8b16dbSVasanthakumar Thiagarajan rsn_ie_len -= 2; 27179e8b16dbSVasanthakumar Thiagarajan 27189e8b16dbSVasanthakumar Thiagarajan /* skip group cipher suite */ 27199e8b16dbSVasanthakumar Thiagarajan if (rsn_ie_len < 4) 27209e8b16dbSVasanthakumar Thiagarajan return 0; 27219e8b16dbSVasanthakumar Thiagarajan rsn_ie += 4; 27229e8b16dbSVasanthakumar Thiagarajan rsn_ie_len -= 4; 2723d97c121bSVasanthakumar Thiagarajan 2724d97c121bSVasanthakumar Thiagarajan /* skip pairwise cipher suite */ 2725d97c121bSVasanthakumar Thiagarajan if (rsn_ie_len < 2) 27269e8b16dbSVasanthakumar Thiagarajan return 0; 2727798985c6SVasanthakumar Thiagarajan cnt = get_unaligned_le16(rsn_ie); 2728d97c121bSVasanthakumar Thiagarajan rsn_ie += (2 + cnt * 4); 2729d97c121bSVasanthakumar Thiagarajan rsn_ie_len -= (2 + cnt * 4); 2730d97c121bSVasanthakumar Thiagarajan 2731d97c121bSVasanthakumar Thiagarajan /* skip akm suite */ 2732d97c121bSVasanthakumar Thiagarajan if (rsn_ie_len < 2) 27339e8b16dbSVasanthakumar Thiagarajan return 0; 2734798985c6SVasanthakumar Thiagarajan cnt = get_unaligned_le16(rsn_ie); 2735d97c121bSVasanthakumar Thiagarajan rsn_ie += (2 + cnt * 4); 2736d97c121bSVasanthakumar Thiagarajan rsn_ie_len -= (2 + cnt * 4); 2737d97c121bSVasanthakumar Thiagarajan 2738d97c121bSVasanthakumar Thiagarajan if (rsn_ie_len < 2) 27399e8b16dbSVasanthakumar Thiagarajan return 0; 2740d97c121bSVasanthakumar Thiagarajan 2741d97c121bSVasanthakumar Thiagarajan memcpy(rsn_capab, rsn_ie, 2); 2742d97c121bSVasanthakumar Thiagarajan 2743d97c121bSVasanthakumar Thiagarajan return 0; 2744d97c121bSVasanthakumar Thiagarajan } 2745d97c121bSVasanthakumar Thiagarajan 27468860020eSJohannes Berg static int ath6kl_start_ap(struct wiphy *wiphy, struct net_device *dev, 27478860020eSJohannes Berg struct cfg80211_ap_settings *info) 27486a7c9badSJouni Malinen { 27496a7c9badSJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 27503450334fSVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 27516a7c9badSJouni Malinen struct ieee80211_mgmt *mgmt; 275267cd22e4SThomas Pedersen bool hidden = false; 27536a7c9badSJouni Malinen u8 *ies; 27546a7c9badSJouni Malinen int ies_len; 27556a7c9badSJouni Malinen struct wmi_connect_cmd p; 27566a7c9badSJouni Malinen int res; 2757be5abaafSVasanthakumar Thiagarajan int i, ret; 2758d97c121bSVasanthakumar Thiagarajan u16 rsn_capab = 0; 27597ac25eacSMohammed Shafi Shajakhan int inactivity_timeout = 0; 27606a7c9badSJouni Malinen 27618860020eSJohannes Berg ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s:\n", __func__); 27626a7c9badSJouni Malinen 2763990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 27646a7c9badSJouni Malinen return -EIO; 27656a7c9badSJouni Malinen 2766f5938f24SVasanthakumar Thiagarajan if (vif->next_mode != AP_NETWORK) 27676a7c9badSJouni Malinen return -EOPNOTSUPP; 27686a7c9badSJouni Malinen 27698860020eSJohannes Berg res = ath6kl_set_ies(vif, &info->beacon); 27706a7c9badSJouni Malinen 27719a5b1318SJouni Malinen ar->ap_mode_bkey.valid = false; 27729a5b1318SJouni Malinen 2773eb922e4bSMohammed Shafi Shajakhan ret = ath6kl_wmi_ap_set_beacon_intvl_cmd(ar->wmi, vif->fw_vif_idx, 2774eb922e4bSMohammed Shafi Shajakhan info->beacon_interval); 2775eb922e4bSMohammed Shafi Shajakhan 2776eb922e4bSMohammed Shafi Shajakhan if (ret) 2777eb922e4bSMohammed Shafi Shajakhan ath6kl_warn("Failed to set beacon interval: %d\n", ret); 27786a7c9badSJouni Malinen 2779d154f32eSEtay Luz ret = ath6kl_wmi_ap_set_dtim_cmd(ar->wmi, vif->fw_vif_idx, 2780d154f32eSEtay Luz info->dtim_period); 2781d154f32eSEtay Luz 2782d154f32eSEtay Luz /* ignore error, just print a warning and continue normally */ 2783d154f32eSEtay Luz if (ret) 2784d154f32eSEtay Luz ath6kl_warn("Failed to set dtim_period in beacon: %d\n", ret); 2785d154f32eSEtay Luz 27868860020eSJohannes Berg if (info->beacon.head == NULL) 27876a7c9badSJouni Malinen return -EINVAL; 27888860020eSJohannes Berg mgmt = (struct ieee80211_mgmt *) info->beacon.head; 27896a7c9badSJouni Malinen ies = mgmt->u.beacon.variable; 27908860020eSJohannes Berg if (ies > info->beacon.head + info->beacon.head_len) 27916a7c9badSJouni Malinen return -EINVAL; 27928860020eSJohannes Berg ies_len = info->beacon.head + info->beacon.head_len - ies; 27936a7c9badSJouni Malinen 27946a7c9badSJouni Malinen if (info->ssid == NULL) 27956a7c9badSJouni Malinen return -EINVAL; 27963450334fSVasanthakumar Thiagarajan memcpy(vif->ssid, info->ssid, info->ssid_len); 27973450334fSVasanthakumar Thiagarajan vif->ssid_len = info->ssid_len; 27986a7c9badSJouni Malinen if (info->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE) 279967cd22e4SThomas Pedersen hidden = true; 280067cd22e4SThomas Pedersen 280167cd22e4SThomas Pedersen res = ath6kl_wmi_ap_hidden_ssid(ar->wmi, vif->fw_vif_idx, hidden); 280267cd22e4SThomas Pedersen if (res) 280367cd22e4SThomas Pedersen return res; 28046a7c9badSJouni Malinen 2805be5abaafSVasanthakumar Thiagarajan ret = ath6kl_set_auth_type(vif, info->auth_type); 2806be5abaafSVasanthakumar Thiagarajan if (ret) 2807be5abaafSVasanthakumar Thiagarajan return ret; 28086a7c9badSJouni Malinen 28096a7c9badSJouni Malinen memset(&p, 0, sizeof(p)); 28106a7c9badSJouni Malinen 28116a7c9badSJouni Malinen for (i = 0; i < info->crypto.n_akm_suites; i++) { 28126a7c9badSJouni Malinen switch (info->crypto.akm_suites[i]) { 28136a7c9badSJouni Malinen case WLAN_AKM_SUITE_8021X: 28146a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1) 28156a7c9badSJouni Malinen p.auth_mode |= WPA_AUTH; 28166a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2) 28176a7c9badSJouni Malinen p.auth_mode |= WPA2_AUTH; 28186a7c9badSJouni Malinen break; 28196a7c9badSJouni Malinen case WLAN_AKM_SUITE_PSK: 28206a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1) 28216a7c9badSJouni Malinen p.auth_mode |= WPA_PSK_AUTH; 28226a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2) 28236a7c9badSJouni Malinen p.auth_mode |= WPA2_PSK_AUTH; 28246a7c9badSJouni Malinen break; 28256a7c9badSJouni Malinen } 28266a7c9badSJouni Malinen } 28276a7c9badSJouni Malinen if (p.auth_mode == 0) 28286a7c9badSJouni Malinen p.auth_mode = NONE_AUTH; 28293450334fSVasanthakumar Thiagarajan vif->auth_mode = p.auth_mode; 28306a7c9badSJouni Malinen 28316a7c9badSJouni Malinen for (i = 0; i < info->crypto.n_ciphers_pairwise; i++) { 28326a7c9badSJouni Malinen switch (info->crypto.ciphers_pairwise[i]) { 28336a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP40: 28346a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP104: 28356a7c9badSJouni Malinen p.prwise_crypto_type |= WEP_CRYPT; 28366a7c9badSJouni Malinen break; 28376a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_TKIP: 28386a7c9badSJouni Malinen p.prwise_crypto_type |= TKIP_CRYPT; 28396a7c9badSJouni Malinen break; 28406a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_CCMP: 28416a7c9badSJouni Malinen p.prwise_crypto_type |= AES_CRYPT; 28426a7c9badSJouni Malinen break; 2843b8214df1SDai Shuibing case WLAN_CIPHER_SUITE_SMS4: 2844b8214df1SDai Shuibing p.prwise_crypto_type |= WAPI_CRYPT; 2845b8214df1SDai Shuibing break; 28466a7c9badSJouni Malinen } 28476a7c9badSJouni Malinen } 2848229ed6b5SEdward Lu if (p.prwise_crypto_type == 0) { 28496a7c9badSJouni Malinen p.prwise_crypto_type = NONE_CRYPT; 2850240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, 0, true); 2851229ed6b5SEdward Lu } else if (info->crypto.n_ciphers_pairwise == 1) 2852240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, info->crypto.ciphers_pairwise[0], true); 28536a7c9badSJouni Malinen 28546a7c9badSJouni Malinen switch (info->crypto.cipher_group) { 28556a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP40: 28566a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP104: 28576a7c9badSJouni Malinen p.grp_crypto_type = WEP_CRYPT; 28586a7c9badSJouni Malinen break; 28596a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_TKIP: 28606a7c9badSJouni Malinen p.grp_crypto_type = TKIP_CRYPT; 28616a7c9badSJouni Malinen break; 28626a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_CCMP: 28636a7c9badSJouni Malinen p.grp_crypto_type = AES_CRYPT; 28646a7c9badSJouni Malinen break; 2865b8214df1SDai Shuibing case WLAN_CIPHER_SUITE_SMS4: 2866b8214df1SDai Shuibing p.grp_crypto_type = WAPI_CRYPT; 2867b8214df1SDai Shuibing break; 28686a7c9badSJouni Malinen default: 28696a7c9badSJouni Malinen p.grp_crypto_type = NONE_CRYPT; 28706a7c9badSJouni Malinen break; 28716a7c9badSJouni Malinen } 2872240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, info->crypto.cipher_group, false); 28736a7c9badSJouni Malinen 28746a7c9badSJouni Malinen p.nw_type = AP_NETWORK; 2875f5938f24SVasanthakumar Thiagarajan vif->nw_type = vif->next_mode; 28766a7c9badSJouni Malinen 28773450334fSVasanthakumar Thiagarajan p.ssid_len = vif->ssid_len; 28783450334fSVasanthakumar Thiagarajan memcpy(p.ssid, vif->ssid, vif->ssid_len); 28793450334fSVasanthakumar Thiagarajan p.dot11_auth_mode = vif->dot11_auth_mode; 2880aa430da4SJohannes Berg p.ch = cpu_to_le16(info->channel->center_freq); 28816a7c9badSJouni Malinen 2882c1762a3fSThirumalai Pachamuthu /* Enable uAPSD support by default */ 2883c1762a3fSThirumalai Pachamuthu res = ath6kl_wmi_ap_set_apsd(ar->wmi, vif->fw_vif_idx, true); 2884c1762a3fSThirumalai Pachamuthu if (res < 0) 2885c1762a3fSThirumalai Pachamuthu return res; 2886c1762a3fSThirumalai Pachamuthu 28873ca9d1fcSAarthi Thiruvengadam if (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO) { 28883ca9d1fcSAarthi Thiruvengadam p.nw_subtype = SUBTYPE_P2PGO; 28893ca9d1fcSAarthi Thiruvengadam } else { 28903ca9d1fcSAarthi Thiruvengadam /* 28913ca9d1fcSAarthi Thiruvengadam * Due to firmware limitation, it is not possible to 28923ca9d1fcSAarthi Thiruvengadam * do P2P mgmt operations in AP mode 28933ca9d1fcSAarthi Thiruvengadam */ 28943ca9d1fcSAarthi Thiruvengadam p.nw_subtype = SUBTYPE_NONE; 28953ca9d1fcSAarthi Thiruvengadam } 28963ca9d1fcSAarthi Thiruvengadam 289703bdeb0dSVasanthakumar Thiagarajan if (info->inactivity_timeout) { 28987ac25eacSMohammed Shafi Shajakhan 28997ac25eacSMohammed Shafi Shajakhan inactivity_timeout = info->inactivity_timeout; 29007ac25eacSMohammed Shafi Shajakhan 29017ac25eacSMohammed Shafi Shajakhan if (ar->hw.flags & ATH6KL_HW_AP_INACTIVITY_MINS) 29027ac25eacSMohammed Shafi Shajakhan inactivity_timeout = DIV_ROUND_UP(inactivity_timeout, 29037ac25eacSMohammed Shafi Shajakhan 60); 29047ac25eacSMohammed Shafi Shajakhan 290503bdeb0dSVasanthakumar Thiagarajan res = ath6kl_wmi_set_inact_period(ar->wmi, vif->fw_vif_idx, 29067ac25eacSMohammed Shafi Shajakhan inactivity_timeout); 290703bdeb0dSVasanthakumar Thiagarajan if (res < 0) 290803bdeb0dSVasanthakumar Thiagarajan return res; 290903bdeb0dSVasanthakumar Thiagarajan } 291003bdeb0dSVasanthakumar Thiagarajan 2911aa430da4SJohannes Berg if (ath6kl_set_htcap(vif, info->channel->band, 2912aa430da4SJohannes Berg info->channel_type != NL80211_CHAN_NO_HT)) 2913df90b369SVasanthakumar Thiagarajan return -EIO; 2914df90b369SVasanthakumar Thiagarajan 2915d97c121bSVasanthakumar Thiagarajan /* 2916d97c121bSVasanthakumar Thiagarajan * Get the PTKSA replay counter in the RSN IE. Supplicant 2917d97c121bSVasanthakumar Thiagarajan * will use the RSN IE in M3 message and firmware has to 2918d97c121bSVasanthakumar Thiagarajan * advertise the same in beacon/probe response. Send 2919d97c121bSVasanthakumar Thiagarajan * the complete RSN IE capability field to firmware 2920d97c121bSVasanthakumar Thiagarajan */ 2921d97c121bSVasanthakumar Thiagarajan if (!ath6kl_get_rsn_capab(&info->beacon, (u8 *) &rsn_capab) && 2922d97c121bSVasanthakumar Thiagarajan test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE, 2923d97c121bSVasanthakumar Thiagarajan ar->fw_capabilities)) { 2924d97c121bSVasanthakumar Thiagarajan res = ath6kl_wmi_set_ie_cmd(ar->wmi, vif->fw_vif_idx, 2925d97c121bSVasanthakumar Thiagarajan WLAN_EID_RSN, WMI_RSN_IE_CAPB, 2926d97c121bSVasanthakumar Thiagarajan (const u8 *) &rsn_capab, 2927d97c121bSVasanthakumar Thiagarajan sizeof(rsn_capab)); 2928f21243a8SThomas Pedersen vif->rsn_capab = rsn_capab; 2929d97c121bSVasanthakumar Thiagarajan if (res < 0) 2930d97c121bSVasanthakumar Thiagarajan return res; 2931d97c121bSVasanthakumar Thiagarajan } 2932d97c121bSVasanthakumar Thiagarajan 2933c4f7863eSThomas Pedersen memcpy(&vif->profile, &p, sizeof(p)); 2934334234b5SVasanthakumar Thiagarajan res = ath6kl_wmi_ap_profile_commit(ar->wmi, vif->fw_vif_idx, &p); 29359a5b1318SJouni Malinen if (res < 0) 29369a5b1318SJouni Malinen return res; 29379a5b1318SJouni Malinen 29389a5b1318SJouni Malinen return 0; 29396a7c9badSJouni Malinen } 29406a7c9badSJouni Malinen 29418860020eSJohannes Berg static int ath6kl_change_beacon(struct wiphy *wiphy, struct net_device *dev, 29428860020eSJohannes Berg struct cfg80211_beacon_data *beacon) 29436a7c9badSJouni Malinen { 29448860020eSJohannes Berg struct ath6kl_vif *vif = netdev_priv(dev); 29458860020eSJohannes Berg 29468860020eSJohannes Berg if (!ath6kl_cfg80211_ready(vif)) 29478860020eSJohannes Berg return -EIO; 29488860020eSJohannes Berg 29498860020eSJohannes Berg if (vif->next_mode != AP_NETWORK) 29508860020eSJohannes Berg return -EOPNOTSUPP; 29518860020eSJohannes Berg 29528860020eSJohannes Berg return ath6kl_set_ies(vif, beacon); 29536a7c9badSJouni Malinen } 29546a7c9badSJouni Malinen 29558860020eSJohannes Berg static int ath6kl_stop_ap(struct wiphy *wiphy, struct net_device *dev) 29566a7c9badSJouni Malinen { 29576a7c9badSJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 295859c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 29596a7c9badSJouni Malinen 2960f5938f24SVasanthakumar Thiagarajan if (vif->nw_type != AP_NETWORK) 29616a7c9badSJouni Malinen return -EOPNOTSUPP; 296259c98449SVasanthakumar Thiagarajan if (!test_bit(CONNECTED, &vif->flags)) 29636a7c9badSJouni Malinen return -ENOTCONN; 29646a7c9badSJouni Malinen 2965334234b5SVasanthakumar Thiagarajan ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx); 296659c98449SVasanthakumar Thiagarajan clear_bit(CONNECTED, &vif->flags); 29676a7c9badSJouni Malinen 2968df90b369SVasanthakumar Thiagarajan /* Restore ht setting in firmware */ 296937a2f950SThomas Pedersen return ath6kl_restore_htcap(vif); 29706a7c9badSJouni Malinen } 29716a7c9badSJouni Malinen 297233e5308dSJouni Malinen static const u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; 297333e5308dSJouni Malinen 297433e5308dSJouni Malinen static int ath6kl_del_station(struct wiphy *wiphy, struct net_device *dev, 297533e5308dSJouni Malinen u8 *mac) 297633e5308dSJouni Malinen { 297733e5308dSJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 297833e5308dSJouni Malinen struct ath6kl_vif *vif = netdev_priv(dev); 297933e5308dSJouni Malinen const u8 *addr = mac ? mac : bcast_addr; 298033e5308dSJouni Malinen 298133e5308dSJouni Malinen return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, WMI_AP_DEAUTH, 298233e5308dSJouni Malinen addr, WLAN_REASON_PREV_AUTH_NOT_VALID); 298333e5308dSJouni Malinen } 298433e5308dSJouni Malinen 298523875136SJouni Malinen static int ath6kl_change_station(struct wiphy *wiphy, struct net_device *dev, 298623875136SJouni Malinen u8 *mac, struct station_parameters *params) 298723875136SJouni Malinen { 298823875136SJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 2989f5938f24SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 299023875136SJouni Malinen 2991f5938f24SVasanthakumar Thiagarajan if (vif->nw_type != AP_NETWORK) 299223875136SJouni Malinen return -EOPNOTSUPP; 299323875136SJouni Malinen 299423875136SJouni Malinen /* Use this only for authorizing/unauthorizing a station */ 299523875136SJouni Malinen if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))) 299623875136SJouni Malinen return -EOPNOTSUPP; 299723875136SJouni Malinen 299823875136SJouni Malinen if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED)) 2999334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, 3000334234b5SVasanthakumar Thiagarajan WMI_AP_MLME_AUTHORIZE, mac, 0); 3001334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, 3002334234b5SVasanthakumar Thiagarajan WMI_AP_MLME_UNAUTHORIZE, mac, 0); 300323875136SJouni Malinen } 300423875136SJouni Malinen 300563fa1e0cSJouni Malinen static int ath6kl_remain_on_channel(struct wiphy *wiphy, 300671bbc994SJohannes Berg struct wireless_dev *wdev, 300763fa1e0cSJouni Malinen struct ieee80211_channel *chan, 300863fa1e0cSJouni Malinen enum nl80211_channel_type channel_type, 300963fa1e0cSJouni Malinen unsigned int duration, 301063fa1e0cSJouni Malinen u64 *cookie) 301163fa1e0cSJouni Malinen { 301271bbc994SJohannes Berg struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); 301371bbc994SJohannes Berg struct ath6kl *ar = ath6kl_priv(vif->ndev); 30141052261eSJouni Malinen u32 id; 301563fa1e0cSJouni Malinen 301663fa1e0cSJouni Malinen /* TODO: if already pending or ongoing remain-on-channel, 301763fa1e0cSJouni Malinen * return -EBUSY */ 30181052261eSJouni Malinen id = ++vif->last_roc_id; 30191052261eSJouni Malinen if (id == 0) { 30201052261eSJouni Malinen /* Do not use 0 as the cookie value */ 30211052261eSJouni Malinen id = ++vif->last_roc_id; 30221052261eSJouni Malinen } 30231052261eSJouni Malinen *cookie = id; 302463fa1e0cSJouni Malinen 3025334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx, 3026334234b5SVasanthakumar Thiagarajan chan->center_freq, duration); 302763fa1e0cSJouni Malinen } 302863fa1e0cSJouni Malinen 302963fa1e0cSJouni Malinen static int ath6kl_cancel_remain_on_channel(struct wiphy *wiphy, 303071bbc994SJohannes Berg struct wireless_dev *wdev, 303163fa1e0cSJouni Malinen u64 cookie) 303263fa1e0cSJouni Malinen { 303371bbc994SJohannes Berg struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); 303471bbc994SJohannes Berg struct ath6kl *ar = ath6kl_priv(vif->ndev); 303563fa1e0cSJouni Malinen 30361052261eSJouni Malinen if (cookie != vif->last_roc_id) 303763fa1e0cSJouni Malinen return -ENOENT; 30381052261eSJouni Malinen vif->last_cancel_roc_id = cookie; 303963fa1e0cSJouni Malinen 3040334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_cancel_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx); 304163fa1e0cSJouni Malinen } 304263fa1e0cSJouni Malinen 3043334234b5SVasanthakumar Thiagarajan static int ath6kl_send_go_probe_resp(struct ath6kl_vif *vif, 3044334234b5SVasanthakumar Thiagarajan const u8 *buf, size_t len, 3045334234b5SVasanthakumar Thiagarajan unsigned int freq) 30468bdfbf40SJouni Malinen { 3047334234b5SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 30488bdfbf40SJouni Malinen const u8 *pos; 30498bdfbf40SJouni Malinen u8 *p2p; 30508bdfbf40SJouni Malinen int p2p_len; 30518bdfbf40SJouni Malinen int ret; 30528bdfbf40SJouni Malinen const struct ieee80211_mgmt *mgmt; 30538bdfbf40SJouni Malinen 30548bdfbf40SJouni Malinen mgmt = (const struct ieee80211_mgmt *) buf; 30558bdfbf40SJouni Malinen 30568bdfbf40SJouni Malinen /* Include P2P IE(s) from the frame generated in user space. */ 30578bdfbf40SJouni Malinen 30588bdfbf40SJouni Malinen p2p = kmalloc(len, GFP_KERNEL); 30598bdfbf40SJouni Malinen if (p2p == NULL) 30608bdfbf40SJouni Malinen return -ENOMEM; 30618bdfbf40SJouni Malinen p2p_len = 0; 30628bdfbf40SJouni Malinen 30638bdfbf40SJouni Malinen pos = mgmt->u.probe_resp.variable; 30648bdfbf40SJouni Malinen while (pos + 1 < buf + len) { 30658bdfbf40SJouni Malinen if (pos + 2 + pos[1] > buf + len) 30668bdfbf40SJouni Malinen break; 30678bdfbf40SJouni Malinen if (ath6kl_is_p2p_ie(pos)) { 30688bdfbf40SJouni Malinen memcpy(p2p + p2p_len, pos, 2 + pos[1]); 30698bdfbf40SJouni Malinen p2p_len += 2 + pos[1]; 30708bdfbf40SJouni Malinen } 30718bdfbf40SJouni Malinen pos += 2 + pos[1]; 30728bdfbf40SJouni Malinen } 30738bdfbf40SJouni Malinen 3074334234b5SVasanthakumar Thiagarajan ret = ath6kl_wmi_send_probe_response_cmd(ar->wmi, vif->fw_vif_idx, freq, 3075334234b5SVasanthakumar Thiagarajan mgmt->da, p2p, p2p_len); 30768bdfbf40SJouni Malinen kfree(p2p); 30778bdfbf40SJouni Malinen return ret; 30788bdfbf40SJouni Malinen } 30798bdfbf40SJouni Malinen 3080d0ff7383SNaveen Gangadharan static bool ath6kl_mgmt_powersave_ap(struct ath6kl_vif *vif, 3081d0ff7383SNaveen Gangadharan u32 id, 3082d0ff7383SNaveen Gangadharan u32 freq, 3083d0ff7383SNaveen Gangadharan u32 wait, 3084d0ff7383SNaveen Gangadharan const u8 *buf, 3085d0ff7383SNaveen Gangadharan size_t len, 3086d0ff7383SNaveen Gangadharan bool *more_data, 3087d0ff7383SNaveen Gangadharan bool no_cck) 3088d0ff7383SNaveen Gangadharan { 3089d0ff7383SNaveen Gangadharan struct ieee80211_mgmt *mgmt; 3090d0ff7383SNaveen Gangadharan struct ath6kl_sta *conn; 3091d0ff7383SNaveen Gangadharan bool is_psq_empty = false; 3092d0ff7383SNaveen Gangadharan struct ath6kl_mgmt_buff *mgmt_buf; 3093d0ff7383SNaveen Gangadharan size_t mgmt_buf_size; 3094d0ff7383SNaveen Gangadharan struct ath6kl *ar = vif->ar; 3095d0ff7383SNaveen Gangadharan 3096d0ff7383SNaveen Gangadharan mgmt = (struct ieee80211_mgmt *) buf; 3097d0ff7383SNaveen Gangadharan if (is_multicast_ether_addr(mgmt->da)) 3098d0ff7383SNaveen Gangadharan return false; 3099d0ff7383SNaveen Gangadharan 3100d0ff7383SNaveen Gangadharan conn = ath6kl_find_sta(vif, mgmt->da); 3101d0ff7383SNaveen Gangadharan if (!conn) 3102d0ff7383SNaveen Gangadharan return false; 3103d0ff7383SNaveen Gangadharan 3104d0ff7383SNaveen Gangadharan if (conn->sta_flags & STA_PS_SLEEP) { 3105d0ff7383SNaveen Gangadharan if (!(conn->sta_flags & STA_PS_POLLED)) { 3106d0ff7383SNaveen Gangadharan /* Queue the frames if the STA is sleeping */ 3107d0ff7383SNaveen Gangadharan mgmt_buf_size = len + sizeof(struct ath6kl_mgmt_buff); 3108d0ff7383SNaveen Gangadharan mgmt_buf = kmalloc(mgmt_buf_size, GFP_KERNEL); 3109d0ff7383SNaveen Gangadharan if (!mgmt_buf) 3110d0ff7383SNaveen Gangadharan return false; 3111d0ff7383SNaveen Gangadharan 3112d0ff7383SNaveen Gangadharan INIT_LIST_HEAD(&mgmt_buf->list); 3113d0ff7383SNaveen Gangadharan mgmt_buf->id = id; 3114d0ff7383SNaveen Gangadharan mgmt_buf->freq = freq; 3115d0ff7383SNaveen Gangadharan mgmt_buf->wait = wait; 3116d0ff7383SNaveen Gangadharan mgmt_buf->len = len; 3117d0ff7383SNaveen Gangadharan mgmt_buf->no_cck = no_cck; 3118d0ff7383SNaveen Gangadharan memcpy(mgmt_buf->buf, buf, len); 3119d0ff7383SNaveen Gangadharan spin_lock_bh(&conn->psq_lock); 3120d0ff7383SNaveen Gangadharan is_psq_empty = skb_queue_empty(&conn->psq) && 3121d0ff7383SNaveen Gangadharan (conn->mgmt_psq_len == 0); 3122d0ff7383SNaveen Gangadharan list_add_tail(&mgmt_buf->list, &conn->mgmt_psq); 3123d0ff7383SNaveen Gangadharan conn->mgmt_psq_len++; 3124d0ff7383SNaveen Gangadharan spin_unlock_bh(&conn->psq_lock); 3125d0ff7383SNaveen Gangadharan 3126d0ff7383SNaveen Gangadharan /* 3127d0ff7383SNaveen Gangadharan * If this is the first pkt getting queued 3128d0ff7383SNaveen Gangadharan * for this STA, update the PVB for this 3129d0ff7383SNaveen Gangadharan * STA. 3130d0ff7383SNaveen Gangadharan */ 3131d0ff7383SNaveen Gangadharan if (is_psq_empty) 3132d0ff7383SNaveen Gangadharan ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx, 3133d0ff7383SNaveen Gangadharan conn->aid, 1); 3134d0ff7383SNaveen Gangadharan return true; 3135d0ff7383SNaveen Gangadharan } 3136d0ff7383SNaveen Gangadharan 3137d0ff7383SNaveen Gangadharan /* 3138d0ff7383SNaveen Gangadharan * This tx is because of a PsPoll. 3139d0ff7383SNaveen Gangadharan * Determine if MoreData bit has to be set. 3140d0ff7383SNaveen Gangadharan */ 3141d0ff7383SNaveen Gangadharan spin_lock_bh(&conn->psq_lock); 3142d0ff7383SNaveen Gangadharan if (!skb_queue_empty(&conn->psq) || (conn->mgmt_psq_len != 0)) 3143d0ff7383SNaveen Gangadharan *more_data = true; 3144d0ff7383SNaveen Gangadharan spin_unlock_bh(&conn->psq_lock); 3145d0ff7383SNaveen Gangadharan } 3146d0ff7383SNaveen Gangadharan 3147d0ff7383SNaveen Gangadharan return false; 3148d0ff7383SNaveen Gangadharan } 3149d0ff7383SNaveen Gangadharan 3150c86e4f44SAarthi Thiruvengadam /* Check if SSID length is greater than DIRECT- */ 3151c86e4f44SAarthi Thiruvengadam static bool ath6kl_is_p2p_go_ssid(const u8 *buf, size_t len) 3152c86e4f44SAarthi Thiruvengadam { 3153c86e4f44SAarthi Thiruvengadam const struct ieee80211_mgmt *mgmt; 3154c86e4f44SAarthi Thiruvengadam mgmt = (const struct ieee80211_mgmt *) buf; 3155c86e4f44SAarthi Thiruvengadam 3156c86e4f44SAarthi Thiruvengadam /* variable[1] contains the SSID tag length */ 3157c86e4f44SAarthi Thiruvengadam if (buf + len >= &mgmt->u.probe_resp.variable[1] && 3158c86e4f44SAarthi Thiruvengadam (mgmt->u.probe_resp.variable[1] > P2P_WILDCARD_SSID_LEN)) { 3159c86e4f44SAarthi Thiruvengadam return true; 3160c86e4f44SAarthi Thiruvengadam } 3161c86e4f44SAarthi Thiruvengadam 3162c86e4f44SAarthi Thiruvengadam return false; 3163c86e4f44SAarthi Thiruvengadam } 3164c86e4f44SAarthi Thiruvengadam 316571bbc994SJohannes Berg static int ath6kl_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, 31668a6c8060SJouni Malinen struct ieee80211_channel *chan, bool offchan, 31678a6c8060SJouni Malinen enum nl80211_channel_type channel_type, 31688a6c8060SJouni Malinen bool channel_type_valid, unsigned int wait, 3169e247bd90SJohannes Berg const u8 *buf, size_t len, bool no_cck, 3170e247bd90SJohannes Berg bool dont_wait_for_ack, u64 *cookie) 31718a6c8060SJouni Malinen { 317271bbc994SJohannes Berg struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); 317371bbc994SJohannes Berg struct ath6kl *ar = ath6kl_priv(vif->ndev); 31748a6c8060SJouni Malinen u32 id; 31758bdfbf40SJouni Malinen const struct ieee80211_mgmt *mgmt; 3176d0ff7383SNaveen Gangadharan bool more_data, queued; 31778bdfbf40SJouni Malinen 31788bdfbf40SJouni Malinen mgmt = (const struct ieee80211_mgmt *) buf; 3179c86e4f44SAarthi Thiruvengadam if (vif->nw_type == AP_NETWORK && test_bit(CONNECTED, &vif->flags) && 3180c86e4f44SAarthi Thiruvengadam ieee80211_is_probe_resp(mgmt->frame_control) && 3181c86e4f44SAarthi Thiruvengadam ath6kl_is_p2p_go_ssid(buf, len)) { 31828bdfbf40SJouni Malinen /* 3183c86e4f44SAarthi Thiruvengadam * Send Probe Response frame in GO mode using a separate WMI 31848bdfbf40SJouni Malinen * command to allow the target to fill in the generic IEs. 31858bdfbf40SJouni Malinen */ 31868bdfbf40SJouni Malinen *cookie = 0; /* TX status not supported */ 3187334234b5SVasanthakumar Thiagarajan return ath6kl_send_go_probe_resp(vif, buf, len, 31888bdfbf40SJouni Malinen chan->center_freq); 31898bdfbf40SJouni Malinen } 31908a6c8060SJouni Malinen 3191cf5333d7SVasanthakumar Thiagarajan id = vif->send_action_id++; 31928a6c8060SJouni Malinen if (id == 0) { 31938a6c8060SJouni Malinen /* 31948a6c8060SJouni Malinen * 0 is a reserved value in the WMI command and shall not be 31958a6c8060SJouni Malinen * used for the command. 31968a6c8060SJouni Malinen */ 3197cf5333d7SVasanthakumar Thiagarajan id = vif->send_action_id++; 31988a6c8060SJouni Malinen } 31998a6c8060SJouni Malinen 32008a6c8060SJouni Malinen *cookie = id; 32013ca9d1fcSAarthi Thiruvengadam 3202d0ff7383SNaveen Gangadharan /* AP mode Power saving processing */ 3203d0ff7383SNaveen Gangadharan if (vif->nw_type == AP_NETWORK) { 3204d0ff7383SNaveen Gangadharan queued = ath6kl_mgmt_powersave_ap(vif, 3205d0ff7383SNaveen Gangadharan id, chan->center_freq, 3206d0ff7383SNaveen Gangadharan wait, buf, 3207d0ff7383SNaveen Gangadharan len, &more_data, no_cck); 3208d0ff7383SNaveen Gangadharan if (queued) 3209d0ff7383SNaveen Gangadharan return 0; 3210d0ff7383SNaveen Gangadharan } 3211d0ff7383SNaveen Gangadharan 32123ca9d1fcSAarthi Thiruvengadam return ath6kl_wmi_send_mgmt_cmd(ar->wmi, vif->fw_vif_idx, id, 32133ca9d1fcSAarthi Thiruvengadam chan->center_freq, wait, 32143ca9d1fcSAarthi Thiruvengadam buf, len, no_cck); 32153ca9d1fcSAarthi Thiruvengadam } 32168a6c8060SJouni Malinen 3217ae32c30aSJouni Malinen static void ath6kl_mgmt_frame_register(struct wiphy *wiphy, 321871bbc994SJohannes Berg struct wireless_dev *wdev, 3219ae32c30aSJouni Malinen u16 frame_type, bool reg) 3220ae32c30aSJouni Malinen { 322171bbc994SJohannes Berg struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); 3222ae32c30aSJouni Malinen 3223ae32c30aSJouni Malinen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: frame_type=0x%x reg=%d\n", 3224ae32c30aSJouni Malinen __func__, frame_type, reg); 3225ae32c30aSJouni Malinen if (frame_type == IEEE80211_STYPE_PROBE_REQ) { 3226ae32c30aSJouni Malinen /* 3227ae32c30aSJouni Malinen * Note: This notification callback is not allowed to sleep, so 3228ae32c30aSJouni Malinen * we cannot send WMI_PROBE_REQ_REPORT_CMD here. Instead, we 3229ae32c30aSJouni Malinen * hardcode target to report Probe Request frames all the time. 3230ae32c30aSJouni Malinen */ 3231cf5333d7SVasanthakumar Thiagarajan vif->probe_req_report = reg; 3232ae32c30aSJouni Malinen } 3233ae32c30aSJouni Malinen } 3234ae32c30aSJouni Malinen 323510509f90SKalle Valo static int ath6kl_cfg80211_sscan_start(struct wiphy *wiphy, 323610509f90SKalle Valo struct net_device *dev, 323710509f90SKalle Valo struct cfg80211_sched_scan_request *request) 323810509f90SKalle Valo { 323910509f90SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 324010509f90SKalle Valo struct ath6kl_vif *vif = netdev_priv(dev); 324110509f90SKalle Valo u16 interval; 324285b20fc2SThomas Pedersen int ret, rssi_thold; 324310509f90SKalle Valo 324410509f90SKalle Valo if (ar->state != ATH6KL_STATE_ON) 324510509f90SKalle Valo return -EIO; 324610509f90SKalle Valo 324710509f90SKalle Valo if (vif->sme_state != SME_DISCONNECTED) 324810509f90SKalle Valo return -EBUSY; 324910509f90SKalle Valo 3250b4d13d3bSKalle Valo ath6kl_cfg80211_scan_complete_event(vif, true); 3251b4d13d3bSKalle Valo 32523b8ffc6aSJouni Malinen ret = ath6kl_set_probed_ssids(ar, vif, request->ssids, 3253dd45b759SNaveen Singh request->n_ssids, 3254dd45b759SNaveen Singh request->match_sets, 3255dd45b759SNaveen Singh request->n_match_sets); 32563b8ffc6aSJouni Malinen if (ret < 0) 32573b8ffc6aSJouni Malinen return ret; 325810509f90SKalle Valo 3259dd45b759SNaveen Singh if (!request->n_match_sets) { 3260dd45b759SNaveen Singh ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 3261dd45b759SNaveen Singh ALL_BSS_FILTER, 0); 3262dd45b759SNaveen Singh if (ret < 0) 3263dd45b759SNaveen Singh return ret; 3264dd45b759SNaveen Singh } else { 3265dd45b759SNaveen Singh ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 3266dd45b759SNaveen Singh MATCHED_SSID_FILTER, 0); 3267dd45b759SNaveen Singh if (ret < 0) 3268dd45b759SNaveen Singh return ret; 3269dd45b759SNaveen Singh } 3270dd45b759SNaveen Singh 327185b20fc2SThomas Pedersen if (test_bit(ATH6KL_FW_CAPABILITY_RSSI_SCAN_THOLD, 327285b20fc2SThomas Pedersen ar->fw_capabilities)) { 327385b20fc2SThomas Pedersen if (request->rssi_thold <= NL80211_SCAN_RSSI_THOLD_OFF) 327485b20fc2SThomas Pedersen rssi_thold = 0; 327585b20fc2SThomas Pedersen else if (request->rssi_thold < -127) 327685b20fc2SThomas Pedersen rssi_thold = -127; 327785b20fc2SThomas Pedersen else 327885b20fc2SThomas Pedersen rssi_thold = request->rssi_thold; 327985b20fc2SThomas Pedersen 328085b20fc2SThomas Pedersen ret = ath6kl_wmi_set_rssi_filter_cmd(ar->wmi, vif->fw_vif_idx, 328185b20fc2SThomas Pedersen rssi_thold); 328285b20fc2SThomas Pedersen if (ret) { 328385b20fc2SThomas Pedersen ath6kl_err("failed to set RSSI threshold for scan\n"); 328485b20fc2SThomas Pedersen return ret; 328585b20fc2SThomas Pedersen } 328685b20fc2SThomas Pedersen } 328785b20fc2SThomas Pedersen 328810509f90SKalle Valo /* fw uses seconds, also make sure that it's >0 */ 328910509f90SKalle Valo interval = max_t(u16, 1, request->interval / 1000); 329010509f90SKalle Valo 329110509f90SKalle Valo ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 329210509f90SKalle Valo interval, interval, 3293d472b5e4SSubramania Sharma Thandaveswaran vif->bg_scan_period, 0, 0, 0, 3, 0, 0, 0); 329410509f90SKalle Valo 329510509f90SKalle Valo /* this also clears IE in fw if it's not set */ 329610509f90SKalle Valo ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 329710509f90SKalle Valo WMI_FRAME_PROBE_REQ, 329810509f90SKalle Valo request->ie, request->ie_len); 329910509f90SKalle Valo if (ret) { 3300f1ff32e8SJoe Perches ath6kl_warn("Failed to set probe request IE for scheduled scan: %d\n", 330110509f90SKalle Valo ret); 330210509f90SKalle Valo return ret; 330310509f90SKalle Valo } 330410509f90SKalle Valo 3305b1f47e3aSThomas Pedersen ret = ath6kl_wmi_enable_sched_scan_cmd(ar->wmi, vif->fw_vif_idx, true); 3306b1f47e3aSThomas Pedersen if (ret) 330710509f90SKalle Valo return ret; 330810509f90SKalle Valo 3309b1f47e3aSThomas Pedersen set_bit(SCHED_SCANNING, &vif->flags); 331010509f90SKalle Valo 3311b1f47e3aSThomas Pedersen return 0; 331210509f90SKalle Valo } 331310509f90SKalle Valo 331410509f90SKalle Valo static int ath6kl_cfg80211_sscan_stop(struct wiphy *wiphy, 331510509f90SKalle Valo struct net_device *dev) 331610509f90SKalle Valo { 331710509f90SKalle Valo struct ath6kl_vif *vif = netdev_priv(dev); 331810509f90SKalle Valo bool stopped; 331910509f90SKalle Valo 332010509f90SKalle Valo stopped = __ath6kl_cfg80211_sscan_stop(vif); 332110509f90SKalle Valo 332210509f90SKalle Valo if (!stopped) 332310509f90SKalle Valo return -EIO; 332410509f90SKalle Valo 332510509f90SKalle Valo return 0; 332610509f90SKalle Valo } 332710509f90SKalle Valo 332806e360acSBala Shanmugam static int ath6kl_cfg80211_set_bitrate(struct wiphy *wiphy, 332906e360acSBala Shanmugam struct net_device *dev, 333006e360acSBala Shanmugam const u8 *addr, 333106e360acSBala Shanmugam const struct cfg80211_bitrate_mask *mask) 333206e360acSBala Shanmugam { 333306e360acSBala Shanmugam struct ath6kl *ar = ath6kl_priv(dev); 333406e360acSBala Shanmugam struct ath6kl_vif *vif = netdev_priv(dev); 333506e360acSBala Shanmugam 333606e360acSBala Shanmugam return ath6kl_wmi_set_bitrate_mask(ar->wmi, vif->fw_vif_idx, 333706e360acSBala Shanmugam mask); 333806e360acSBala Shanmugam } 333906e360acSBala Shanmugam 3340279b2862SThomas Pedersen static int ath6kl_cfg80211_set_txe_config(struct wiphy *wiphy, 3341279b2862SThomas Pedersen struct net_device *dev, 3342279b2862SThomas Pedersen u32 rate, u32 pkts, u32 intvl) 3343279b2862SThomas Pedersen { 3344279b2862SThomas Pedersen struct ath6kl *ar = ath6kl_priv(dev); 3345279b2862SThomas Pedersen struct ath6kl_vif *vif = netdev_priv(dev); 3346279b2862SThomas Pedersen 3347279b2862SThomas Pedersen if (vif->nw_type != INFRA_NETWORK || 3348279b2862SThomas Pedersen !test_bit(ATH6KL_FW_CAPABILITY_TX_ERR_NOTIFY, ar->fw_capabilities)) 3349279b2862SThomas Pedersen return -EOPNOTSUPP; 3350279b2862SThomas Pedersen 3351279b2862SThomas Pedersen if (vif->sme_state != SME_CONNECTED) 3352279b2862SThomas Pedersen return -ENOTCONN; 3353279b2862SThomas Pedersen 3354279b2862SThomas Pedersen /* save this since the firmware won't report the interval */ 3355279b2862SThomas Pedersen vif->txe_intvl = intvl; 3356279b2862SThomas Pedersen 3357279b2862SThomas Pedersen return ath6kl_wmi_set_txe_notify(ar->wmi, vif->fw_vif_idx, 3358279b2862SThomas Pedersen rate, pkts, intvl); 3359279b2862SThomas Pedersen } 3360279b2862SThomas Pedersen 3361f80574aeSJouni Malinen static const struct ieee80211_txrx_stypes 3362f80574aeSJouni Malinen ath6kl_mgmt_stypes[NUM_NL80211_IFTYPES] = { 3363f80574aeSJouni Malinen [NL80211_IFTYPE_STATION] = { 3364f80574aeSJouni Malinen .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3365f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 3366f80574aeSJouni Malinen .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3367f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 3368f80574aeSJouni Malinen }, 3369ba1f6fe3SJouni Malinen [NL80211_IFTYPE_AP] = { 3370ba1f6fe3SJouni Malinen .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3371ba1f6fe3SJouni Malinen BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 3372ba1f6fe3SJouni Malinen .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3373ba1f6fe3SJouni Malinen BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 3374ba1f6fe3SJouni Malinen }, 3375f80574aeSJouni Malinen [NL80211_IFTYPE_P2P_CLIENT] = { 3376f80574aeSJouni Malinen .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3377f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 3378f80574aeSJouni Malinen .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3379f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 3380f80574aeSJouni Malinen }, 3381f80574aeSJouni Malinen [NL80211_IFTYPE_P2P_GO] = { 3382f80574aeSJouni Malinen .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3383f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 3384f80574aeSJouni Malinen .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3385f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 3386f80574aeSJouni Malinen }, 3387f80574aeSJouni Malinen }; 3388f80574aeSJouni Malinen 3389bdcd8170SKalle Valo static struct cfg80211_ops ath6kl_cfg80211_ops = { 339055055976SVasanthakumar Thiagarajan .add_virtual_intf = ath6kl_cfg80211_add_iface, 339155055976SVasanthakumar Thiagarajan .del_virtual_intf = ath6kl_cfg80211_del_iface, 3392bdcd8170SKalle Valo .change_virtual_intf = ath6kl_cfg80211_change_iface, 3393bdcd8170SKalle Valo .scan = ath6kl_cfg80211_scan, 3394bdcd8170SKalle Valo .connect = ath6kl_cfg80211_connect, 3395bdcd8170SKalle Valo .disconnect = ath6kl_cfg80211_disconnect, 3396bdcd8170SKalle Valo .add_key = ath6kl_cfg80211_add_key, 3397bdcd8170SKalle Valo .get_key = ath6kl_cfg80211_get_key, 3398bdcd8170SKalle Valo .del_key = ath6kl_cfg80211_del_key, 3399bdcd8170SKalle Valo .set_default_key = ath6kl_cfg80211_set_default_key, 3400bdcd8170SKalle Valo .set_wiphy_params = ath6kl_cfg80211_set_wiphy_params, 3401bdcd8170SKalle Valo .set_tx_power = ath6kl_cfg80211_set_txpower, 3402bdcd8170SKalle Valo .get_tx_power = ath6kl_cfg80211_get_txpower, 3403bdcd8170SKalle Valo .set_power_mgmt = ath6kl_cfg80211_set_power_mgmt, 3404bdcd8170SKalle Valo .join_ibss = ath6kl_cfg80211_join_ibss, 3405bdcd8170SKalle Valo .leave_ibss = ath6kl_cfg80211_leave_ibss, 3406bdcd8170SKalle Valo .get_station = ath6kl_get_station, 3407bdcd8170SKalle Valo .set_pmksa = ath6kl_set_pmksa, 3408bdcd8170SKalle Valo .del_pmksa = ath6kl_del_pmksa, 3409bdcd8170SKalle Valo .flush_pmksa = ath6kl_flush_pmksa, 3410003353b0SKalle Valo CFG80211_TESTMODE_CMD(ath6kl_tm_cmd) 3411abcb344bSKalle Valo #ifdef CONFIG_PM 341252d81a68SKalle Valo .suspend = __ath6kl_cfg80211_suspend, 341352d81a68SKalle Valo .resume = __ath6kl_cfg80211_resume, 3414abcb344bSKalle Valo #endif 34158860020eSJohannes Berg .start_ap = ath6kl_start_ap, 34168860020eSJohannes Berg .change_beacon = ath6kl_change_beacon, 34178860020eSJohannes Berg .stop_ap = ath6kl_stop_ap, 341833e5308dSJouni Malinen .del_station = ath6kl_del_station, 341923875136SJouni Malinen .change_station = ath6kl_change_station, 342063fa1e0cSJouni Malinen .remain_on_channel = ath6kl_remain_on_channel, 342163fa1e0cSJouni Malinen .cancel_remain_on_channel = ath6kl_cancel_remain_on_channel, 34228a6c8060SJouni Malinen .mgmt_tx = ath6kl_mgmt_tx, 3423ae32c30aSJouni Malinen .mgmt_frame_register = ath6kl_mgmt_frame_register, 342410509f90SKalle Valo .sched_scan_start = ath6kl_cfg80211_sscan_start, 342510509f90SKalle Valo .sched_scan_stop = ath6kl_cfg80211_sscan_stop, 342606e360acSBala Shanmugam .set_bitrate_mask = ath6kl_cfg80211_set_bitrate, 3427279b2862SThomas Pedersen .set_cqm_txe_config = ath6kl_cfg80211_set_txe_config, 3428bdcd8170SKalle Valo }; 3429bdcd8170SKalle Valo 34307125f01dSKalle Valo void ath6kl_cfg80211_stop(struct ath6kl_vif *vif) 3431ec4b7f60SKalle Valo { 343210509f90SKalle Valo ath6kl_cfg80211_sscan_disable(vif); 343310509f90SKalle Valo 3434ec4b7f60SKalle Valo switch (vif->sme_state) { 3435c97a31b0SKalle Valo case SME_DISCONNECTED: 3436c97a31b0SKalle Valo break; 3437ec4b7f60SKalle Valo case SME_CONNECTING: 3438ec4b7f60SKalle Valo cfg80211_connect_result(vif->ndev, vif->bssid, NULL, 0, 3439ec4b7f60SKalle Valo NULL, 0, 3440ec4b7f60SKalle Valo WLAN_STATUS_UNSPECIFIED_FAILURE, 3441ec4b7f60SKalle Valo GFP_KERNEL); 3442ec4b7f60SKalle Valo break; 3443ec4b7f60SKalle Valo case SME_CONNECTED: 3444ec4b7f60SKalle Valo cfg80211_disconnected(vif->ndev, 0, NULL, 0, GFP_KERNEL); 3445ec4b7f60SKalle Valo break; 3446ec4b7f60SKalle Valo } 3447ec4b7f60SKalle Valo 344858109df6SVasanthakumar Thiagarajan if (vif->ar->state != ATH6KL_STATE_RECOVERY && 344958109df6SVasanthakumar Thiagarajan (test_bit(CONNECTED, &vif->flags) || 345058109df6SVasanthakumar Thiagarajan test_bit(CONNECT_PEND, &vif->flags))) 34517125f01dSKalle Valo ath6kl_wmi_disconnect_cmd(vif->ar->wmi, vif->fw_vif_idx); 3452ec4b7f60SKalle Valo 3453ec4b7f60SKalle Valo vif->sme_state = SME_DISCONNECTED; 34541f405255SKalle Valo clear_bit(CONNECTED, &vif->flags); 34551f405255SKalle Valo clear_bit(CONNECT_PEND, &vif->flags); 3456ec4b7f60SKalle Valo 345784caf800SVasanthakumar Thiagarajan /* Stop netdev queues, needed during recovery */ 345884caf800SVasanthakumar Thiagarajan netif_stop_queue(vif->ndev); 345984caf800SVasanthakumar Thiagarajan netif_carrier_off(vif->ndev); 346084caf800SVasanthakumar Thiagarajan 3461ec4b7f60SKalle Valo /* disable scanning */ 346258109df6SVasanthakumar Thiagarajan if (vif->ar->state != ATH6KL_STATE_RECOVERY && 346358109df6SVasanthakumar Thiagarajan ath6kl_wmi_scanparams_cmd(vif->ar->wmi, vif->fw_vif_idx, 0xFFFF, 34647125f01dSKalle Valo 0, 0, 0, 0, 0, 0, 0, 0, 0) != 0) 34657125f01dSKalle Valo ath6kl_warn("failed to disable scan during stop\n"); 3466ec4b7f60SKalle Valo 3467ec4b7f60SKalle Valo ath6kl_cfg80211_scan_complete_event(vif, true); 3468ec4b7f60SKalle Valo } 3469ec4b7f60SKalle Valo 34707125f01dSKalle Valo void ath6kl_cfg80211_stop_all(struct ath6kl *ar) 34717125f01dSKalle Valo { 34727125f01dSKalle Valo struct ath6kl_vif *vif; 34737125f01dSKalle Valo 34747125f01dSKalle Valo vif = ath6kl_vif_first(ar); 347584caf800SVasanthakumar Thiagarajan if (!vif && ar->state != ATH6KL_STATE_RECOVERY) { 34767125f01dSKalle Valo /* save the current power mode before enabling power save */ 34777125f01dSKalle Valo ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode; 34787125f01dSKalle Valo 34797125f01dSKalle Valo if (ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER) != 0) 3480cdeb8602SKalle Valo ath6kl_warn("ath6kl_deep_sleep_enable: wmi_powermode_cmd failed\n"); 34817125f01dSKalle Valo return; 34827125f01dSKalle Valo } 34837125f01dSKalle Valo 34847125f01dSKalle Valo /* 34857125f01dSKalle Valo * FIXME: we should take ar->list_lock to protect changes in the 34867125f01dSKalle Valo * vif_list, but that's not trivial to do as ath6kl_cfg80211_stop() 34877125f01dSKalle Valo * sleeps. 34887125f01dSKalle Valo */ 34897125f01dSKalle Valo list_for_each_entry(vif, &ar->vif_list, list) 34907125f01dSKalle Valo ath6kl_cfg80211_stop(vif); 34917125f01dSKalle Valo } 34927125f01dSKalle Valo 349384841ba2SKalle Valo static int ath6kl_cfg80211_reg_notify(struct wiphy *wiphy, 349484841ba2SKalle Valo struct regulatory_request *request) 349584841ba2SKalle Valo { 349684841ba2SKalle Valo struct ath6kl *ar = wiphy_priv(wiphy); 349784841ba2SKalle Valo u32 rates[IEEE80211_NUM_BANDS]; 349884841ba2SKalle Valo int ret, i; 349984841ba2SKalle Valo 350084841ba2SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 3501ff7e6867SKalle Valo "cfg reg_notify %c%c%s%s initiator %d hint_type %d\n", 350284841ba2SKalle Valo request->alpha2[0], request->alpha2[1], 350384841ba2SKalle Valo request->intersect ? " intersect" : "", 350484841ba2SKalle Valo request->processed ? " processed" : "", 3505ff7e6867SKalle Valo request->initiator, request->user_reg_hint_type); 3506ff7e6867SKalle Valo 3507ff7e6867SKalle Valo /* 3508ff7e6867SKalle Valo * As firmware is not able intersect regdoms, we can only listen to 3509ff7e6867SKalle Valo * cellular hints. 3510ff7e6867SKalle Valo */ 3511ff7e6867SKalle Valo if (request->user_reg_hint_type != NL80211_USER_REG_HINT_CELL_BASE) 3512ff7e6867SKalle Valo return -EOPNOTSUPP; 351384841ba2SKalle Valo 351484841ba2SKalle Valo ret = ath6kl_wmi_set_regdomain_cmd(ar->wmi, request->alpha2); 351584841ba2SKalle Valo if (ret) { 351684841ba2SKalle Valo ath6kl_err("failed to set regdomain: %d\n", ret); 351784841ba2SKalle Valo return ret; 351884841ba2SKalle Valo } 351984841ba2SKalle Valo 352084841ba2SKalle Valo /* 352184841ba2SKalle Valo * Firmware will apply the regdomain change only after a scan is 352284841ba2SKalle Valo * issued and it will send a WMI_REGDOMAIN_EVENTID when it has been 352384841ba2SKalle Valo * changed. 352484841ba2SKalle Valo */ 352584841ba2SKalle Valo 352684841ba2SKalle Valo for (i = 0; i < IEEE80211_NUM_BANDS; i++) 352784841ba2SKalle Valo if (wiphy->bands[i]) 352884841ba2SKalle Valo rates[i] = (1 << wiphy->bands[i]->n_bitrates) - 1; 352984841ba2SKalle Valo 353084841ba2SKalle Valo 353184841ba2SKalle Valo ret = ath6kl_wmi_beginscan_cmd(ar->wmi, 0, WMI_LONG_SCAN, false, 353284841ba2SKalle Valo false, 0, ATH6KL_FG_SCAN_INTERVAL, 353384841ba2SKalle Valo 0, NULL, false, rates); 353484841ba2SKalle Valo if (ret) { 353584841ba2SKalle Valo ath6kl_err("failed to start scan for a regdomain change: %d\n", 353684841ba2SKalle Valo ret); 353784841ba2SKalle Valo return ret; 353884841ba2SKalle Valo } 353984841ba2SKalle Valo 354084841ba2SKalle Valo return 0; 354184841ba2SKalle Valo } 354284841ba2SKalle Valo 3543c25889e8SKalle Valo static int ath6kl_cfg80211_vif_init(struct ath6kl_vif *vif) 35448dafb70eSVasanthakumar Thiagarajan { 35457baef812SVasanthakumar Thiagarajan vif->aggr_cntxt = aggr_init(vif); 35462132c69cSVasanthakumar Thiagarajan if (!vif->aggr_cntxt) { 35478dafb70eSVasanthakumar Thiagarajan ath6kl_err("failed to initialize aggr\n"); 35488dafb70eSVasanthakumar Thiagarajan return -ENOMEM; 35498dafb70eSVasanthakumar Thiagarajan } 35508dafb70eSVasanthakumar Thiagarajan 3551de3ad713SVasanthakumar Thiagarajan setup_timer(&vif->disconnect_timer, disconnect_timer_handler, 3552108438bcSVasanthakumar Thiagarajan (unsigned long) vif->ndev); 355310509f90SKalle Valo setup_timer(&vif->sched_scan_timer, ath6kl_wmi_sscan_timer, 355410509f90SKalle Valo (unsigned long) vif); 355510509f90SKalle Valo 3556de3ad713SVasanthakumar Thiagarajan set_bit(WMM_ENABLED, &vif->flags); 3557478ac027SVasanthakumar Thiagarajan spin_lock_init(&vif->if_lock); 35588dafb70eSVasanthakumar Thiagarajan 355980abaf9bSVasanthakumar Thiagarajan INIT_LIST_HEAD(&vif->mc_filter); 356080abaf9bSVasanthakumar Thiagarajan 35618dafb70eSVasanthakumar Thiagarajan return 0; 35628dafb70eSVasanthakumar Thiagarajan } 35638dafb70eSVasanthakumar Thiagarajan 3564355b3a98SMohammed Shafi Shajakhan void ath6kl_cfg80211_vif_stop(struct ath6kl_vif *vif, bool wmi_ready) 3565355b3a98SMohammed Shafi Shajakhan { 3566355b3a98SMohammed Shafi Shajakhan static u8 bcast_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; 3567355b3a98SMohammed Shafi Shajakhan bool discon_issued; 3568355b3a98SMohammed Shafi Shajakhan 3569355b3a98SMohammed Shafi Shajakhan netif_stop_queue(vif->ndev); 3570355b3a98SMohammed Shafi Shajakhan 3571355b3a98SMohammed Shafi Shajakhan clear_bit(WLAN_ENABLED, &vif->flags); 3572355b3a98SMohammed Shafi Shajakhan 3573355b3a98SMohammed Shafi Shajakhan if (wmi_ready) { 3574355b3a98SMohammed Shafi Shajakhan discon_issued = test_bit(CONNECTED, &vif->flags) || 3575355b3a98SMohammed Shafi Shajakhan test_bit(CONNECT_PEND, &vif->flags); 3576355b3a98SMohammed Shafi Shajakhan ath6kl_disconnect(vif); 3577355b3a98SMohammed Shafi Shajakhan del_timer(&vif->disconnect_timer); 3578355b3a98SMohammed Shafi Shajakhan 3579355b3a98SMohammed Shafi Shajakhan if (discon_issued) 3580355b3a98SMohammed Shafi Shajakhan ath6kl_disconnect_event(vif, DISCONNECT_CMD, 3581355b3a98SMohammed Shafi Shajakhan (vif->nw_type & AP_NETWORK) ? 3582355b3a98SMohammed Shafi Shajakhan bcast_mac : vif->bssid, 3583355b3a98SMohammed Shafi Shajakhan 0, NULL, 0); 3584355b3a98SMohammed Shafi Shajakhan } 3585355b3a98SMohammed Shafi Shajakhan 3586355b3a98SMohammed Shafi Shajakhan if (vif->scan_req) { 3587355b3a98SMohammed Shafi Shajakhan cfg80211_scan_done(vif->scan_req, true); 3588355b3a98SMohammed Shafi Shajakhan vif->scan_req = NULL; 3589355b3a98SMohammed Shafi Shajakhan } 3590355b3a98SMohammed Shafi Shajakhan 3591355b3a98SMohammed Shafi Shajakhan /* need to clean up enhanced bmiss detection fw state */ 3592355b3a98SMohammed Shafi Shajakhan ath6kl_cfg80211_sta_bmiss_enhance(vif, false); 3593355b3a98SMohammed Shafi Shajakhan } 3594355b3a98SMohammed Shafi Shajakhan 3595c25889e8SKalle Valo void ath6kl_cfg80211_vif_cleanup(struct ath6kl_vif *vif) 35968dafb70eSVasanthakumar Thiagarajan { 359755055976SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 359880abaf9bSVasanthakumar Thiagarajan struct ath6kl_mc_filter *mc_filter, *tmp; 359955055976SVasanthakumar Thiagarajan 36002132c69cSVasanthakumar Thiagarajan aggr_module_destroy(vif->aggr_cntxt); 3601108438bcSVasanthakumar Thiagarajan 360255055976SVasanthakumar Thiagarajan ar->avail_idx_map |= BIT(vif->fw_vif_idx); 360355055976SVasanthakumar Thiagarajan 360455055976SVasanthakumar Thiagarajan if (vif->nw_type == ADHOC_NETWORK) 360555055976SVasanthakumar Thiagarajan ar->ibss_if_active = false; 360655055976SVasanthakumar Thiagarajan 360780abaf9bSVasanthakumar Thiagarajan list_for_each_entry_safe(mc_filter, tmp, &vif->mc_filter, list) { 360880abaf9bSVasanthakumar Thiagarajan list_del(&mc_filter->list); 360980abaf9bSVasanthakumar Thiagarajan kfree(mc_filter); 361080abaf9bSVasanthakumar Thiagarajan } 361180abaf9bSVasanthakumar Thiagarajan 361227929723SVasanthakumar Thiagarajan unregister_netdevice(vif->ndev); 361355055976SVasanthakumar Thiagarajan 361455055976SVasanthakumar Thiagarajan ar->num_vif--; 36158dafb70eSVasanthakumar Thiagarajan } 36168dafb70eSVasanthakumar Thiagarajan 3617552bff0cSJohannes Berg struct wireless_dev *ath6kl_interface_add(struct ath6kl *ar, const char *name, 361884efbb84SJohannes Berg enum nl80211_iftype type, 361984efbb84SJohannes Berg u8 fw_vif_idx, u8 nw_type) 36208dafb70eSVasanthakumar Thiagarajan { 36218dafb70eSVasanthakumar Thiagarajan struct net_device *ndev; 3622108438bcSVasanthakumar Thiagarajan struct ath6kl_vif *vif; 36238dafb70eSVasanthakumar Thiagarajan 362455055976SVasanthakumar Thiagarajan ndev = alloc_netdev(sizeof(*vif), name, ether_setup); 36258dafb70eSVasanthakumar Thiagarajan if (!ndev) 36268dafb70eSVasanthakumar Thiagarajan return NULL; 36278dafb70eSVasanthakumar Thiagarajan 3628108438bcSVasanthakumar Thiagarajan vif = netdev_priv(ndev); 3629108438bcSVasanthakumar Thiagarajan ndev->ieee80211_ptr = &vif->wdev; 3630108438bcSVasanthakumar Thiagarajan vif->wdev.wiphy = ar->wiphy; 3631108438bcSVasanthakumar Thiagarajan vif->ar = ar; 3632108438bcSVasanthakumar Thiagarajan vif->ndev = ndev; 3633108438bcSVasanthakumar Thiagarajan SET_NETDEV_DEV(ndev, wiphy_dev(vif->wdev.wiphy)); 3634108438bcSVasanthakumar Thiagarajan vif->wdev.netdev = ndev; 3635108438bcSVasanthakumar Thiagarajan vif->wdev.iftype = type; 3636334234b5SVasanthakumar Thiagarajan vif->fw_vif_idx = fw_vif_idx; 3637d0d670abSKalle Valo vif->nw_type = nw_type; 3638d0d670abSKalle Valo vif->next_mode = nw_type; 36398f46fccdSRaja Mani vif->listen_intvl_t = ATH6KL_DEFAULT_LISTEN_INTVAL; 3640ce0dc0cfSRaja Mani vif->bmiss_time_t = ATH6KL_DEFAULT_BMISS_TIME; 3641eb38987eSRaja Mani vif->bg_scan_period = 0; 364267b3f129SKiran Reddy vif->htcap[IEEE80211_BAND_2GHZ].ht_enable = true; 364367b3f129SKiran Reddy vif->htcap[IEEE80211_BAND_5GHZ].ht_enable = true; 36448dafb70eSVasanthakumar Thiagarajan 364555055976SVasanthakumar Thiagarajan memcpy(ndev->dev_addr, ar->mac_addr, ETH_ALEN); 3646c95dcb59SAarthi Thiruvengadam if (fw_vif_idx != 0) { 364755055976SVasanthakumar Thiagarajan ndev->dev_addr[0] = (ndev->dev_addr[0] ^ (1 << fw_vif_idx)) | 364855055976SVasanthakumar Thiagarajan 0x2; 3649c95dcb59SAarthi Thiruvengadam if (test_bit(ATH6KL_FW_CAPABILITY_CUSTOM_MAC_ADDR, 3650c95dcb59SAarthi Thiruvengadam ar->fw_capabilities)) 3651c95dcb59SAarthi Thiruvengadam ndev->dev_addr[4] ^= 0x80; 3652c95dcb59SAarthi Thiruvengadam } 365355055976SVasanthakumar Thiagarajan 36548dafb70eSVasanthakumar Thiagarajan init_netdev(ndev); 36558dafb70eSVasanthakumar Thiagarajan 3656e29f25f5SVasanthakumar Thiagarajan ath6kl_init_control_info(vif); 36578dafb70eSVasanthakumar Thiagarajan 3658c25889e8SKalle Valo if (ath6kl_cfg80211_vif_init(vif)) 36598dafb70eSVasanthakumar Thiagarajan goto err; 36608dafb70eSVasanthakumar Thiagarajan 366127929723SVasanthakumar Thiagarajan if (register_netdevice(ndev)) 36628dafb70eSVasanthakumar Thiagarajan goto err; 36638dafb70eSVasanthakumar Thiagarajan 366455055976SVasanthakumar Thiagarajan ar->avail_idx_map &= ~BIT(fw_vif_idx); 366514ee6f6bSVasanthakumar Thiagarajan vif->sme_state = SME_DISCONNECTED; 366659c98449SVasanthakumar Thiagarajan set_bit(WLAN_ENABLED, &vif->flags); 36678dafb70eSVasanthakumar Thiagarajan ar->wlan_pwr_state = WLAN_POWER_STATE_ON; 366859c98449SVasanthakumar Thiagarajan set_bit(NETDEV_REGISTERED, &vif->flags); 36698dafb70eSVasanthakumar Thiagarajan 367055055976SVasanthakumar Thiagarajan if (type == NL80211_IFTYPE_ADHOC) 367155055976SVasanthakumar Thiagarajan ar->ibss_if_active = true; 367255055976SVasanthakumar Thiagarajan 367311f6e40dSVasanthakumar Thiagarajan spin_lock_bh(&ar->list_lock); 3674990bd915SVasanthakumar Thiagarajan list_add_tail(&vif->list, &ar->vif_list); 367511f6e40dSVasanthakumar Thiagarajan spin_unlock_bh(&ar->list_lock); 3676990bd915SVasanthakumar Thiagarajan 367784efbb84SJohannes Berg return &vif->wdev; 36788dafb70eSVasanthakumar Thiagarajan 36798dafb70eSVasanthakumar Thiagarajan err: 368027929723SVasanthakumar Thiagarajan aggr_module_destroy(vif->aggr_cntxt); 368127929723SVasanthakumar Thiagarajan free_netdev(ndev); 3682bdcd8170SKalle Valo return NULL; 3683bdcd8170SKalle Valo } 3684bdcd8170SKalle Valo 368546d33a21SKalle Valo int ath6kl_cfg80211_init(struct ath6kl *ar) 368646d33a21SKalle Valo { 368746d33a21SKalle Valo struct wiphy *wiphy = ar->wiphy; 3688d92917e4SThomas Pedersen bool band_2gig = false, band_5gig = false, ht = false; 368946d33a21SKalle Valo int ret; 369046d33a21SKalle Valo 369146d33a21SKalle Valo wiphy->mgmt_stypes = ath6kl_mgmt_stypes; 369246d33a21SKalle Valo 369346d33a21SKalle Valo wiphy->max_remain_on_channel_duration = 5000; 369446d33a21SKalle Valo 369546d33a21SKalle Valo /* set device pointer for wiphy */ 369646d33a21SKalle Valo set_wiphy_dev(wiphy, ar->dev); 369746d33a21SKalle Valo 369846d33a21SKalle Valo wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 369946d33a21SKalle Valo BIT(NL80211_IFTYPE_ADHOC) | 370046d33a21SKalle Valo BIT(NL80211_IFTYPE_AP); 370146d33a21SKalle Valo if (ar->p2p) { 370246d33a21SKalle Valo wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_GO) | 370346d33a21SKalle Valo BIT(NL80211_IFTYPE_P2P_CLIENT); 370446d33a21SKalle Valo } 370546d33a21SKalle Valo 370684841ba2SKalle Valo if (config_enabled(CONFIG_ATH6KL_REGDOMAIN) && 3707ff7e6867SKalle Valo test_bit(ATH6KL_FW_CAPABILITY_REGDOMAIN, ar->fw_capabilities)) { 370884841ba2SKalle Valo wiphy->reg_notifier = ath6kl_cfg80211_reg_notify; 3709ff7e6867SKalle Valo ar->wiphy->features |= NL80211_FEATURE_CELL_BASE_REG_HINTS; 3710ff7e6867SKalle Valo } 371184841ba2SKalle Valo 371246d33a21SKalle Valo /* max num of ssids that can be probed during scanning */ 37138ab5415dSJouni Malinen wiphy->max_scan_ssids = MAX_PROBED_SSIDS; 3714dd45b759SNaveen Singh 3715dd45b759SNaveen Singh /* max num of ssids that can be matched after scan */ 3716dd45b759SNaveen Singh if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_MATCH_LIST, 3717dd45b759SNaveen Singh ar->fw_capabilities)) 3718dd45b759SNaveen Singh wiphy->max_match_sets = MAX_PROBED_SSIDS; 3719dd45b759SNaveen Singh 372046d33a21SKalle Valo wiphy->max_scan_ie_len = 1000; /* FIX: what is correct limit? */ 3721d92917e4SThomas Pedersen switch (ar->hw.cap) { 3722d92917e4SThomas Pedersen case WMI_11AN_CAP: 3723d92917e4SThomas Pedersen ht = true; 3724d92917e4SThomas Pedersen case WMI_11A_CAP: 3725d92917e4SThomas Pedersen band_5gig = true; 3726d92917e4SThomas Pedersen break; 3727d92917e4SThomas Pedersen case WMI_11GN_CAP: 3728d92917e4SThomas Pedersen ht = true; 3729d92917e4SThomas Pedersen case WMI_11G_CAP: 3730d92917e4SThomas Pedersen band_2gig = true; 3731d92917e4SThomas Pedersen break; 3732d92917e4SThomas Pedersen case WMI_11AGN_CAP: 3733d92917e4SThomas Pedersen ht = true; 3734d92917e4SThomas Pedersen case WMI_11AG_CAP: 3735d92917e4SThomas Pedersen band_2gig = true; 3736d92917e4SThomas Pedersen band_5gig = true; 3737d92917e4SThomas Pedersen break; 3738d92917e4SThomas Pedersen default: 3739d92917e4SThomas Pedersen ath6kl_err("invalid phy capability!\n"); 3740d92917e4SThomas Pedersen return -EINVAL; 3741d92917e4SThomas Pedersen } 3742d92917e4SThomas Pedersen 37437fd1ce7eSVasanthakumar Thiagarajan /* 37447fd1ce7eSVasanthakumar Thiagarajan * Even if the fw has HT support, advertise HT cap only when 37457fd1ce7eSVasanthakumar Thiagarajan * the firmware has support to override RSN capability, otherwise 37467fd1ce7eSVasanthakumar Thiagarajan * 4-way handshake would fail. 37477fd1ce7eSVasanthakumar Thiagarajan */ 37487fd1ce7eSVasanthakumar Thiagarajan if (!(ht && 37497fd1ce7eSVasanthakumar Thiagarajan test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE, 37507fd1ce7eSVasanthakumar Thiagarajan ar->fw_capabilities))) { 3751d92917e4SThomas Pedersen ath6kl_band_2ghz.ht_cap.cap = 0; 3752d92917e4SThomas Pedersen ath6kl_band_2ghz.ht_cap.ht_supported = false; 3753d92917e4SThomas Pedersen ath6kl_band_5ghz.ht_cap.cap = 0; 3754d92917e4SThomas Pedersen ath6kl_band_5ghz.ht_cap.ht_supported = false; 3755d92917e4SThomas Pedersen } 375606e360acSBala Shanmugam 3757c0b34e2bSMohammed Shafi Shajakhan if (ar->hw.flags & ATH6KL_HW_64BIT_RATES) { 375806e360acSBala Shanmugam ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff; 375906e360acSBala Shanmugam ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff; 376006e360acSBala Shanmugam ath6kl_band_2ghz.ht_cap.mcs.rx_mask[1] = 0xff; 376106e360acSBala Shanmugam ath6kl_band_5ghz.ht_cap.mcs.rx_mask[1] = 0xff; 376206e360acSBala Shanmugam } else { 376306e360acSBala Shanmugam ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff; 376406e360acSBala Shanmugam ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff; 376506e360acSBala Shanmugam } 376606e360acSBala Shanmugam 3767d92917e4SThomas Pedersen if (band_2gig) 376846d33a21SKalle Valo wiphy->bands[IEEE80211_BAND_2GHZ] = &ath6kl_band_2ghz; 3769d92917e4SThomas Pedersen if (band_5gig) 377046d33a21SKalle Valo wiphy->bands[IEEE80211_BAND_5GHZ] = &ath6kl_band_5ghz; 3771d92917e4SThomas Pedersen 377246d33a21SKalle Valo wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; 377346d33a21SKalle Valo 377446d33a21SKalle Valo wiphy->cipher_suites = cipher_suites; 377546d33a21SKalle Valo wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); 377646d33a21SKalle Valo 3777dfb89c56SJohannes Berg #ifdef CONFIG_PM 377846d33a21SKalle Valo wiphy->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT | 377946d33a21SKalle Valo WIPHY_WOWLAN_DISCONNECT | 378046d33a21SKalle Valo WIPHY_WOWLAN_GTK_REKEY_FAILURE | 378146d33a21SKalle Valo WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | 378246d33a21SKalle Valo WIPHY_WOWLAN_EAP_IDENTITY_REQ | 378346d33a21SKalle Valo WIPHY_WOWLAN_4WAY_HANDSHAKE; 378446d33a21SKalle Valo wiphy->wowlan.n_patterns = WOW_MAX_FILTERS_PER_LIST; 378546d33a21SKalle Valo wiphy->wowlan.pattern_min_len = 1; 378646d33a21SKalle Valo wiphy->wowlan.pattern_max_len = WOW_PATTERN_SIZE; 3787dfb89c56SJohannes Berg #endif 378846d33a21SKalle Valo 37898ab5415dSJouni Malinen wiphy->max_sched_scan_ssids = MAX_PROBED_SSIDS; 379046d33a21SKalle Valo 3791f2afdac7SVasanthakumar Thiagarajan ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM | 3792f2afdac7SVasanthakumar Thiagarajan WIPHY_FLAG_HAVE_AP_SME | 3793f2afdac7SVasanthakumar Thiagarajan WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | 3794f2afdac7SVasanthakumar Thiagarajan WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD; 3795f2afdac7SVasanthakumar Thiagarajan 3796b1f47e3aSThomas Pedersen if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_V2, ar->fw_capabilities)) 3797f2afdac7SVasanthakumar Thiagarajan ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN; 3798f2afdac7SVasanthakumar Thiagarajan 379903bdeb0dSVasanthakumar Thiagarajan if (test_bit(ATH6KL_FW_CAPABILITY_INACTIVITY_TIMEOUT, 380003bdeb0dSVasanthakumar Thiagarajan ar->fw_capabilities)) 3801b292219fSJohannes Berg ar->wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER; 380203bdeb0dSVasanthakumar Thiagarajan 3803f2afdac7SVasanthakumar Thiagarajan ar->wiphy->probe_resp_offload = 3804f2afdac7SVasanthakumar Thiagarajan NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | 3805f2afdac7SVasanthakumar Thiagarajan NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | 3806a432e7ccSJouni Malinen NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; 3807f2afdac7SVasanthakumar Thiagarajan 380846d33a21SKalle Valo ret = wiphy_register(wiphy); 380946d33a21SKalle Valo if (ret < 0) { 381046d33a21SKalle Valo ath6kl_err("couldn't register wiphy device\n"); 381146d33a21SKalle Valo return ret; 381246d33a21SKalle Valo } 381346d33a21SKalle Valo 3814e5348a1eSVasanthakumar Thiagarajan ar->wiphy_registered = true; 3815e5348a1eSVasanthakumar Thiagarajan 381646d33a21SKalle Valo return 0; 381746d33a21SKalle Valo } 381846d33a21SKalle Valo 381946d33a21SKalle Valo void ath6kl_cfg80211_cleanup(struct ath6kl *ar) 3820bdcd8170SKalle Valo { 3821be98e3a4SVasanthakumar Thiagarajan wiphy_unregister(ar->wiphy); 3822e5348a1eSVasanthakumar Thiagarajan 3823e5348a1eSVasanthakumar Thiagarajan ar->wiphy_registered = false; 382445eaa78fSKalle Valo } 382546d33a21SKalle Valo 382645eaa78fSKalle Valo struct ath6kl *ath6kl_cfg80211_create(void) 382745eaa78fSKalle Valo { 382845eaa78fSKalle Valo struct ath6kl *ar; 382945eaa78fSKalle Valo struct wiphy *wiphy; 383045eaa78fSKalle Valo 383145eaa78fSKalle Valo /* create a new wiphy for use with cfg80211 */ 383245eaa78fSKalle Valo wiphy = wiphy_new(&ath6kl_cfg80211_ops, sizeof(struct ath6kl)); 383345eaa78fSKalle Valo 383445eaa78fSKalle Valo if (!wiphy) { 383545eaa78fSKalle Valo ath6kl_err("couldn't allocate wiphy device\n"); 383645eaa78fSKalle Valo return NULL; 383745eaa78fSKalle Valo } 383845eaa78fSKalle Valo 383945eaa78fSKalle Valo ar = wiphy_priv(wiphy); 384045eaa78fSKalle Valo ar->wiphy = wiphy; 384145eaa78fSKalle Valo 384245eaa78fSKalle Valo return ar; 384345eaa78fSKalle Valo } 384445eaa78fSKalle Valo 384545eaa78fSKalle Valo /* Note: ar variable must not be accessed after calling this! */ 384645eaa78fSKalle Valo void ath6kl_cfg80211_destroy(struct ath6kl *ar) 384745eaa78fSKalle Valo { 38481d2a4456SVasanthakumar Thiagarajan int i; 38491d2a4456SVasanthakumar Thiagarajan 38501d2a4456SVasanthakumar Thiagarajan for (i = 0; i < AP_MAX_NUM_STA; i++) 38511d2a4456SVasanthakumar Thiagarajan kfree(ar->sta_list[i].aggr_conn); 38521d2a4456SVasanthakumar Thiagarajan 3853be98e3a4SVasanthakumar Thiagarajan wiphy_free(ar->wiphy); 3854bdcd8170SKalle Valo } 385545eaa78fSKalle Valo 3856