18e84c258SEugene Krasnikov /* 28e84c258SEugene Krasnikov * Copyright (c) 2013 Eugene Krasnikov <k.eugene.e@gmail.com> 38e84c258SEugene Krasnikov * 48e84c258SEugene Krasnikov * Permission to use, copy, modify, and/or distribute this software for any 58e84c258SEugene Krasnikov * purpose with or without fee is hereby granted, provided that the above 68e84c258SEugene Krasnikov * copyright notice and this permission notice appear in all copies. 78e84c258SEugene Krasnikov * 88e84c258SEugene Krasnikov * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 98e84c258SEugene Krasnikov * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 108e84c258SEugene Krasnikov * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 118e84c258SEugene Krasnikov * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 128e84c258SEugene Krasnikov * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION 138e84c258SEugene Krasnikov * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 148e84c258SEugene Krasnikov * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 158e84c258SEugene Krasnikov */ 168e84c258SEugene Krasnikov 178e84c258SEugene Krasnikov #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 188e84c258SEugene Krasnikov 198e84c258SEugene Krasnikov #include <linux/module.h> 204bda7fafSPontus Fuchs #include <linux/firmware.h> 218e84c258SEugene Krasnikov #include <linux/platform_device.h> 2205ddce49SBjorn Andersson #include <linux/of_address.h> 2305ddce49SBjorn Andersson #include <linux/of_device.h> 24f303a931SBjorn Andersson #include <linux/of_irq.h> 255052de8dSBjorn Andersson #include <linux/rpmsg.h> 26f303a931SBjorn Andersson #include <linux/soc/qcom/smem_state.h> 27f303a931SBjorn Andersson #include <linux/soc/qcom/wcnss_ctrl.h> 28c7a61af5SBryan O'Donoghue #include <net/ipv6.h> 298e84c258SEugene Krasnikov #include "wcn36xx.h" 3087f825e6SEyal Ilsar #include "testmode.h" 318e84c258SEugene Krasnikov 328e84c258SEugene Krasnikov unsigned int wcn36xx_dbg_mask; 338e84c258SEugene Krasnikov module_param_named(debug_mask, wcn36xx_dbg_mask, uint, 0644); 348e84c258SEugene Krasnikov MODULE_PARM_DESC(debug_mask, "Debugging mask"); 358e84c258SEugene Krasnikov 368e84c258SEugene Krasnikov #define CHAN2G(_freq, _idx) { \ 3757fbcce3SJohannes Berg .band = NL80211_BAND_2GHZ, \ 388e84c258SEugene Krasnikov .center_freq = (_freq), \ 398e84c258SEugene Krasnikov .hw_value = (_idx), \ 408e84c258SEugene Krasnikov .max_power = 25, \ 418e84c258SEugene Krasnikov } 428e84c258SEugene Krasnikov 43fc4d4008SBryan O'Donoghue #define CHAN5G(_freq, _idx, _phy_val) { \ 4457fbcce3SJohannes Berg .band = NL80211_BAND_5GHZ, \ 458e84c258SEugene Krasnikov .center_freq = (_freq), \ 46fc4d4008SBryan O'Donoghue .hw_value = (_phy_val) << HW_VALUE_PHY_SHIFT | HW_VALUE_CHANNEL(_idx), \ 478e84c258SEugene Krasnikov .max_power = 25, \ 488e84c258SEugene Krasnikov } 498e84c258SEugene Krasnikov 508e84c258SEugene Krasnikov /* The wcn firmware expects channel values to matching 518e84c258SEugene Krasnikov * their mnemonic values. So use these for .hw_value. */ 528e84c258SEugene Krasnikov static struct ieee80211_channel wcn_2ghz_channels[] = { 538e84c258SEugene Krasnikov CHAN2G(2412, 1), /* Channel 1 */ 548e84c258SEugene Krasnikov CHAN2G(2417, 2), /* Channel 2 */ 558e84c258SEugene Krasnikov CHAN2G(2422, 3), /* Channel 3 */ 568e84c258SEugene Krasnikov CHAN2G(2427, 4), /* Channel 4 */ 578e84c258SEugene Krasnikov CHAN2G(2432, 5), /* Channel 5 */ 588e84c258SEugene Krasnikov CHAN2G(2437, 6), /* Channel 6 */ 598e84c258SEugene Krasnikov CHAN2G(2442, 7), /* Channel 7 */ 608e84c258SEugene Krasnikov CHAN2G(2447, 8), /* Channel 8 */ 618e84c258SEugene Krasnikov CHAN2G(2452, 9), /* Channel 9 */ 628e84c258SEugene Krasnikov CHAN2G(2457, 10), /* Channel 10 */ 638e84c258SEugene Krasnikov CHAN2G(2462, 11), /* Channel 11 */ 648e84c258SEugene Krasnikov CHAN2G(2467, 12), /* Channel 12 */ 658e84c258SEugene Krasnikov CHAN2G(2472, 13), /* Channel 13 */ 668e84c258SEugene Krasnikov CHAN2G(2484, 14) /* Channel 14 */ 678e84c258SEugene Krasnikov 688e84c258SEugene Krasnikov }; 698e84c258SEugene Krasnikov 708e84c258SEugene Krasnikov static struct ieee80211_channel wcn_5ghz_channels[] = { 71fc4d4008SBryan O'Donoghue CHAN5G(5180, 36, PHY_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_LOW), 72fc4d4008SBryan O'Donoghue CHAN5G(5200, 40, PHY_QUADRUPLE_CHANNEL_20MHZ_HIGH_40MHZ_LOW), 73fc4d4008SBryan O'Donoghue CHAN5G(5220, 44, PHY_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_HIGH), 74fc4d4008SBryan O'Donoghue CHAN5G(5240, 48, PHY_QUADRUPLE_CHANNEL_20MHZ_HIGH_40MHZ_HIGH), 75fc4d4008SBryan O'Donoghue CHAN5G(5260, 52, PHY_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_LOW), 76fc4d4008SBryan O'Donoghue CHAN5G(5280, 56, PHY_QUADRUPLE_CHANNEL_20MHZ_HIGH_40MHZ_LOW), 77fc4d4008SBryan O'Donoghue CHAN5G(5300, 60, PHY_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_HIGH), 78fc4d4008SBryan O'Donoghue CHAN5G(5320, 64, PHY_QUADRUPLE_CHANNEL_20MHZ_HIGH_40MHZ_HIGH), 79fc4d4008SBryan O'Donoghue CHAN5G(5500, 100, PHY_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_LOW), 80fc4d4008SBryan O'Donoghue CHAN5G(5520, 104, PHY_QUADRUPLE_CHANNEL_20MHZ_HIGH_40MHZ_LOW), 81fc4d4008SBryan O'Donoghue CHAN5G(5540, 108, PHY_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_HIGH), 82fc4d4008SBryan O'Donoghue CHAN5G(5560, 112, PHY_QUADRUPLE_CHANNEL_20MHZ_HIGH_40MHZ_HIGH), 83fc4d4008SBryan O'Donoghue CHAN5G(5580, 116, PHY_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_LOW), 84fc4d4008SBryan O'Donoghue CHAN5G(5600, 120, PHY_QUADRUPLE_CHANNEL_20MHZ_HIGH_40MHZ_LOW), 85fc4d4008SBryan O'Donoghue CHAN5G(5620, 124, PHY_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_HIGH), 86fc4d4008SBryan O'Donoghue CHAN5G(5640, 128, PHY_QUADRUPLE_CHANNEL_20MHZ_HIGH_40MHZ_HIGH), 87fc4d4008SBryan O'Donoghue CHAN5G(5660, 132, PHY_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_LOW), 88c9a4f2ddSBenjamin Li CHAN5G(5680, 136, PHY_QUADRUPLE_CHANNEL_20MHZ_HIGH_40MHZ_LOW), 89fc4d4008SBryan O'Donoghue CHAN5G(5700, 140, PHY_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_HIGH), 90c9a4f2ddSBenjamin Li CHAN5G(5720, 144, PHY_QUADRUPLE_CHANNEL_20MHZ_HIGH_40MHZ_HIGH), 91fc4d4008SBryan O'Donoghue CHAN5G(5745, 149, PHY_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_LOW), 92fc4d4008SBryan O'Donoghue CHAN5G(5765, 153, PHY_QUADRUPLE_CHANNEL_20MHZ_HIGH_40MHZ_LOW), 93fc4d4008SBryan O'Donoghue CHAN5G(5785, 157, PHY_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_HIGH), 94fc4d4008SBryan O'Donoghue CHAN5G(5805, 161, PHY_QUADRUPLE_CHANNEL_20MHZ_HIGH_40MHZ_HIGH), 95fc4d4008SBryan O'Donoghue CHAN5G(5825, 165, 0) 968e84c258SEugene Krasnikov }; 978e84c258SEugene Krasnikov 988e84c258SEugene Krasnikov #define RATE(_bitrate, _hw_rate, _flags) { \ 998e84c258SEugene Krasnikov .bitrate = (_bitrate), \ 1008e84c258SEugene Krasnikov .flags = (_flags), \ 1018e84c258SEugene Krasnikov .hw_value = (_hw_rate), \ 1028e84c258SEugene Krasnikov .hw_value_short = (_hw_rate) \ 1038e84c258SEugene Krasnikov } 1048e84c258SEugene Krasnikov 1058e84c258SEugene Krasnikov static struct ieee80211_rate wcn_2ghz_rates[] = { 1068e84c258SEugene Krasnikov RATE(10, HW_RATE_INDEX_1MBPS, 0), 1078e84c258SEugene Krasnikov RATE(20, HW_RATE_INDEX_2MBPS, IEEE80211_RATE_SHORT_PREAMBLE), 1088e84c258SEugene Krasnikov RATE(55, HW_RATE_INDEX_5_5MBPS, IEEE80211_RATE_SHORT_PREAMBLE), 1098e84c258SEugene Krasnikov RATE(110, HW_RATE_INDEX_11MBPS, IEEE80211_RATE_SHORT_PREAMBLE), 1108e84c258SEugene Krasnikov RATE(60, HW_RATE_INDEX_6MBPS, 0), 1118e84c258SEugene Krasnikov RATE(90, HW_RATE_INDEX_9MBPS, 0), 1128e84c258SEugene Krasnikov RATE(120, HW_RATE_INDEX_12MBPS, 0), 1138e84c258SEugene Krasnikov RATE(180, HW_RATE_INDEX_18MBPS, 0), 1148e84c258SEugene Krasnikov RATE(240, HW_RATE_INDEX_24MBPS, 0), 1158e84c258SEugene Krasnikov RATE(360, HW_RATE_INDEX_36MBPS, 0), 1168e84c258SEugene Krasnikov RATE(480, HW_RATE_INDEX_48MBPS, 0), 1178e84c258SEugene Krasnikov RATE(540, HW_RATE_INDEX_54MBPS, 0) 1188e84c258SEugene Krasnikov }; 1198e84c258SEugene Krasnikov 1208e84c258SEugene Krasnikov static struct ieee80211_rate wcn_5ghz_rates[] = { 1218e84c258SEugene Krasnikov RATE(60, HW_RATE_INDEX_6MBPS, 0), 1228e84c258SEugene Krasnikov RATE(90, HW_RATE_INDEX_9MBPS, 0), 1238e84c258SEugene Krasnikov RATE(120, HW_RATE_INDEX_12MBPS, 0), 1248e84c258SEugene Krasnikov RATE(180, HW_RATE_INDEX_18MBPS, 0), 1258e84c258SEugene Krasnikov RATE(240, HW_RATE_INDEX_24MBPS, 0), 1268e84c258SEugene Krasnikov RATE(360, HW_RATE_INDEX_36MBPS, 0), 1278e84c258SEugene Krasnikov RATE(480, HW_RATE_INDEX_48MBPS, 0), 1288e84c258SEugene Krasnikov RATE(540, HW_RATE_INDEX_54MBPS, 0) 1298e84c258SEugene Krasnikov }; 1308e84c258SEugene Krasnikov 1318e84c258SEugene Krasnikov static struct ieee80211_supported_band wcn_band_2ghz = { 1328e84c258SEugene Krasnikov .channels = wcn_2ghz_channels, 1338e84c258SEugene Krasnikov .n_channels = ARRAY_SIZE(wcn_2ghz_channels), 1348e84c258SEugene Krasnikov .bitrates = wcn_2ghz_rates, 1358e84c258SEugene Krasnikov .n_bitrates = ARRAY_SIZE(wcn_2ghz_rates), 1368e84c258SEugene Krasnikov .ht_cap = { 1378e84c258SEugene Krasnikov .cap = IEEE80211_HT_CAP_GRN_FLD | 1388e84c258SEugene Krasnikov IEEE80211_HT_CAP_SGI_20 | 1398e84c258SEugene Krasnikov IEEE80211_HT_CAP_DSSSCCK40 | 140960ae77fSLoic Poulain IEEE80211_HT_CAP_LSIG_TXOP_PROT | 141960ae77fSLoic Poulain IEEE80211_HT_CAP_SGI_40 | 142960ae77fSLoic Poulain IEEE80211_HT_CAP_SUP_WIDTH_20_40, 1438e84c258SEugene Krasnikov .ht_supported = true, 1448e84c258SEugene Krasnikov .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K, 1458e84c258SEugene Krasnikov .ampdu_density = IEEE80211_HT_MPDU_DENSITY_16, 1468e84c258SEugene Krasnikov .mcs = { 1478e84c258SEugene Krasnikov .rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, 1488e84c258SEugene Krasnikov .rx_highest = cpu_to_le16(72), 1498e84c258SEugene Krasnikov .tx_params = IEEE80211_HT_MCS_TX_DEFINED, 1508e84c258SEugene Krasnikov } 1518e84c258SEugene Krasnikov } 1528e84c258SEugene Krasnikov }; 1538e84c258SEugene Krasnikov 1548e84c258SEugene Krasnikov static struct ieee80211_supported_band wcn_band_5ghz = { 1558e84c258SEugene Krasnikov .channels = wcn_5ghz_channels, 1568e84c258SEugene Krasnikov .n_channels = ARRAY_SIZE(wcn_5ghz_channels), 1578e84c258SEugene Krasnikov .bitrates = wcn_5ghz_rates, 1588e84c258SEugene Krasnikov .n_bitrates = ARRAY_SIZE(wcn_5ghz_rates), 1598e84c258SEugene Krasnikov .ht_cap = { 1608e84c258SEugene Krasnikov .cap = IEEE80211_HT_CAP_GRN_FLD | 1618e84c258SEugene Krasnikov IEEE80211_HT_CAP_SGI_20 | 1628e84c258SEugene Krasnikov IEEE80211_HT_CAP_DSSSCCK40 | 1638e84c258SEugene Krasnikov IEEE80211_HT_CAP_LSIG_TXOP_PROT | 1648e84c258SEugene Krasnikov IEEE80211_HT_CAP_SGI_40 | 1658e84c258SEugene Krasnikov IEEE80211_HT_CAP_SUP_WIDTH_20_40, 1668e84c258SEugene Krasnikov .ht_supported = true, 1678e84c258SEugene Krasnikov .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K, 1688e84c258SEugene Krasnikov .ampdu_density = IEEE80211_HT_MPDU_DENSITY_16, 1698e84c258SEugene Krasnikov .mcs = { 1708e84c258SEugene Krasnikov .rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, 1713b9fb679SBryan O'Donoghue .rx_highest = cpu_to_le16(150), 1728e84c258SEugene Krasnikov .tx_params = IEEE80211_HT_MCS_TX_DEFINED, 1738e84c258SEugene Krasnikov } 1748e84c258SEugene Krasnikov } 1758e84c258SEugene Krasnikov }; 1768e84c258SEugene Krasnikov 1778e84c258SEugene Krasnikov #ifdef CONFIG_PM 1788e84c258SEugene Krasnikov 1798e84c258SEugene Krasnikov static const struct wiphy_wowlan_support wowlan_support = { 1801e2e8ee9SBryan O'Donoghue .flags = WIPHY_WOWLAN_ANY | 1811e2e8ee9SBryan O'Donoghue WIPHY_WOWLAN_MAGIC_PKT | 1821e2e8ee9SBryan O'Donoghue WIPHY_WOWLAN_SUPPORTS_GTK_REKEY 1838e84c258SEugene Krasnikov }; 1848e84c258SEugene Krasnikov 1858e84c258SEugene Krasnikov #endif 1868e84c258SEugene Krasnikov 1878e84c258SEugene Krasnikov static inline u8 get_sta_index(struct ieee80211_vif *vif, 1888e84c258SEugene Krasnikov struct wcn36xx_sta *sta_priv) 1898e84c258SEugene Krasnikov { 1908e84c258SEugene Krasnikov return NL80211_IFTYPE_STATION == vif->type ? 1918e84c258SEugene Krasnikov sta_priv->bss_sta_index : 1928e84c258SEugene Krasnikov sta_priv->sta_index; 1938e84c258SEugene Krasnikov } 1948e84c258SEugene Krasnikov 1959149a94aSBenjamin Stürz #define DEFINE(s) [s] = #s 1969149a94aSBenjamin Stürz 1972be6636aSPontus Fuchs static const char * const wcn36xx_caps_names[] = { 1989149a94aSBenjamin Stürz DEFINE(MCC), 1999149a94aSBenjamin Stürz DEFINE(P2P), 2009149a94aSBenjamin Stürz DEFINE(DOT11AC), 2019149a94aSBenjamin Stürz DEFINE(SLM_SESSIONIZATION), 2029149a94aSBenjamin Stürz DEFINE(DOT11AC_OPMODE), 2039149a94aSBenjamin Stürz DEFINE(SAP32STA), 2049149a94aSBenjamin Stürz DEFINE(TDLS), 2059149a94aSBenjamin Stürz DEFINE(P2P_GO_NOA_DECOUPLE_INIT_SCAN), 2069149a94aSBenjamin Stürz DEFINE(WLANACTIVE_OFFLOAD), 2079149a94aSBenjamin Stürz DEFINE(BEACON_OFFLOAD), 2089149a94aSBenjamin Stürz DEFINE(SCAN_OFFLOAD), 2099149a94aSBenjamin Stürz DEFINE(ROAM_OFFLOAD), 2109149a94aSBenjamin Stürz DEFINE(BCN_MISS_OFFLOAD), 2119149a94aSBenjamin Stürz DEFINE(STA_POWERSAVE), 2129149a94aSBenjamin Stürz DEFINE(STA_ADVANCED_PWRSAVE), 2139149a94aSBenjamin Stürz DEFINE(AP_UAPSD), 2149149a94aSBenjamin Stürz DEFINE(AP_DFS), 2159149a94aSBenjamin Stürz DEFINE(BLOCKACK), 2169149a94aSBenjamin Stürz DEFINE(PHY_ERR), 2179149a94aSBenjamin Stürz DEFINE(BCN_FILTER), 2189149a94aSBenjamin Stürz DEFINE(RTT), 2199149a94aSBenjamin Stürz DEFINE(RATECTRL), 2209149a94aSBenjamin Stürz DEFINE(WOW), 2219149a94aSBenjamin Stürz DEFINE(WLAN_ROAM_SCAN_OFFLOAD), 2229149a94aSBenjamin Stürz DEFINE(SPECULATIVE_PS_POLL), 2239149a94aSBenjamin Stürz DEFINE(SCAN_SCH), 2249149a94aSBenjamin Stürz DEFINE(IBSS_HEARTBEAT_OFFLOAD), 2259149a94aSBenjamin Stürz DEFINE(WLAN_SCAN_OFFLOAD), 2269149a94aSBenjamin Stürz DEFINE(WLAN_PERIODIC_TX_PTRN), 2279149a94aSBenjamin Stürz DEFINE(ADVANCE_TDLS), 2289149a94aSBenjamin Stürz DEFINE(BATCH_SCAN), 2299149a94aSBenjamin Stürz DEFINE(FW_IN_TX_PATH), 2309149a94aSBenjamin Stürz DEFINE(EXTENDED_NSOFFLOAD_SLOT), 2319149a94aSBenjamin Stürz DEFINE(CH_SWITCH_V1), 2329149a94aSBenjamin Stürz DEFINE(HT40_OBSS_SCAN), 2339149a94aSBenjamin Stürz DEFINE(UPDATE_CHANNEL_LIST), 2349149a94aSBenjamin Stürz DEFINE(WLAN_MCADDR_FLT), 2359149a94aSBenjamin Stürz DEFINE(WLAN_CH144), 2369149a94aSBenjamin Stürz DEFINE(NAN), 2379149a94aSBenjamin Stürz DEFINE(TDLS_SCAN_COEXISTENCE), 2389149a94aSBenjamin Stürz DEFINE(LINK_LAYER_STATS_MEAS), 2399149a94aSBenjamin Stürz DEFINE(MU_MIMO), 2409149a94aSBenjamin Stürz DEFINE(EXTENDED_SCAN), 2419149a94aSBenjamin Stürz DEFINE(DYNAMIC_WMM_PS), 2429149a94aSBenjamin Stürz DEFINE(MAC_SPOOFED_SCAN), 2439149a94aSBenjamin Stürz DEFINE(BMU_ERROR_GENERIC_RECOVERY), 2449149a94aSBenjamin Stürz DEFINE(DISA), 2459149a94aSBenjamin Stürz DEFINE(FW_STATS), 2469149a94aSBenjamin Stürz DEFINE(WPS_PRBRSP_TMPL), 2479149a94aSBenjamin Stürz DEFINE(BCN_IE_FLT_DELTA), 2489149a94aSBenjamin Stürz DEFINE(TDLS_OFF_CHANNEL), 2499149a94aSBenjamin Stürz DEFINE(RTT3), 2509149a94aSBenjamin Stürz DEFINE(MGMT_FRAME_LOGGING), 2519149a94aSBenjamin Stürz DEFINE(ENHANCED_TXBD_COMPLETION), 2529149a94aSBenjamin Stürz DEFINE(LOGGING_ENHANCEMENT), 2539149a94aSBenjamin Stürz DEFINE(EXT_SCAN_ENHANCED), 2549149a94aSBenjamin Stürz DEFINE(MEMORY_DUMP_SUPPORTED), 2559149a94aSBenjamin Stürz DEFINE(PER_PKT_STATS_SUPPORTED), 2569149a94aSBenjamin Stürz DEFINE(EXT_LL_STAT), 2579149a94aSBenjamin Stürz DEFINE(WIFI_CONFIG), 2589149a94aSBenjamin Stürz DEFINE(ANTENNA_DIVERSITY_SELECTION), 2592be6636aSPontus Fuchs }; 2602be6636aSPontus Fuchs 2619149a94aSBenjamin Stürz #undef DEFINE 2629149a94aSBenjamin Stürz 2632be6636aSPontus Fuchs static const char *wcn36xx_get_cap_name(enum place_holder_in_cap_bitmap x) 2642be6636aSPontus Fuchs { 2652be6636aSPontus Fuchs if (x >= ARRAY_SIZE(wcn36xx_caps_names)) 2662be6636aSPontus Fuchs return "UNKNOWN"; 2672be6636aSPontus Fuchs return wcn36xx_caps_names[x]; 2682be6636aSPontus Fuchs } 2692be6636aSPontus Fuchs 2702be6636aSPontus Fuchs static void wcn36xx_feat_caps_info(struct wcn36xx *wcn) 2712be6636aSPontus Fuchs { 2722be6636aSPontus Fuchs int i; 2732be6636aSPontus Fuchs 2742be6636aSPontus Fuchs for (i = 0; i < MAX_FEATURE_SUPPORTED; i++) { 2752be6636aSPontus Fuchs if (get_feat_caps(wcn->fw_feat_caps, i)) 2766b8a127bSRamon Fried wcn36xx_dbg(WCN36XX_DBG_MAC, "FW Cap %s\n", wcn36xx_get_cap_name(i)); 2772be6636aSPontus Fuchs } 2782be6636aSPontus Fuchs } 2792be6636aSPontus Fuchs 2808e84c258SEugene Krasnikov static int wcn36xx_start(struct ieee80211_hw *hw) 2818e84c258SEugene Krasnikov { 2828e84c258SEugene Krasnikov struct wcn36xx *wcn = hw->priv; 2838e84c258SEugene Krasnikov int ret; 2848e84c258SEugene Krasnikov 2858e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "mac start\n"); 2868e84c258SEugene Krasnikov 2878e84c258SEugene Krasnikov /* SMD initialization */ 2888e84c258SEugene Krasnikov ret = wcn36xx_smd_open(wcn); 2898e84c258SEugene Krasnikov if (ret) { 2908e84c258SEugene Krasnikov wcn36xx_err("Failed to open smd channel: %d\n", ret); 2918e84c258SEugene Krasnikov goto out_err; 2928e84c258SEugene Krasnikov } 2938e84c258SEugene Krasnikov 2948e84c258SEugene Krasnikov /* Allocate memory pools for Mgmt BD headers and Data BD headers */ 2958e84c258SEugene Krasnikov ret = wcn36xx_dxe_allocate_mem_pools(wcn); 2968e84c258SEugene Krasnikov if (ret) { 2978e84c258SEugene Krasnikov wcn36xx_err("Failed to alloc DXE mempool: %d\n", ret); 2988e84c258SEugene Krasnikov goto out_smd_close; 2998e84c258SEugene Krasnikov } 3008e84c258SEugene Krasnikov 3018e84c258SEugene Krasnikov ret = wcn36xx_dxe_alloc_ctl_blks(wcn); 3028e84c258SEugene Krasnikov if (ret) { 3038e84c258SEugene Krasnikov wcn36xx_err("Failed to alloc DXE ctl blocks: %d\n", ret); 3048e84c258SEugene Krasnikov goto out_free_dxe_pool; 3058e84c258SEugene Krasnikov } 3068e84c258SEugene Krasnikov 3078e84c258SEugene Krasnikov ret = wcn36xx_smd_load_nv(wcn); 3088e84c258SEugene Krasnikov if (ret) { 3098e84c258SEugene Krasnikov wcn36xx_err("Failed to push NV to chip\n"); 310ef486675SBryan O'Donoghue goto out_free_dxe_ctl; 3118e84c258SEugene Krasnikov } 3128e84c258SEugene Krasnikov 3138e84c258SEugene Krasnikov ret = wcn36xx_smd_start(wcn); 3148e84c258SEugene Krasnikov if (ret) { 3158e84c258SEugene Krasnikov wcn36xx_err("Failed to start chip\n"); 316ef486675SBryan O'Donoghue goto out_free_dxe_ctl; 3178e84c258SEugene Krasnikov } 3188e84c258SEugene Krasnikov 319f2ed5d24SPontus Fuchs if (!wcn36xx_is_fw_version(wcn, 1, 2, 2, 24)) { 320f2ed5d24SPontus Fuchs ret = wcn36xx_smd_feature_caps_exchange(wcn); 321f2ed5d24SPontus Fuchs if (ret) 322f2ed5d24SPontus Fuchs wcn36xx_warn("Exchange feature caps failed\n"); 323f2ed5d24SPontus Fuchs else 324f2ed5d24SPontus Fuchs wcn36xx_feat_caps_info(wcn); 325f2ed5d24SPontus Fuchs } 326f2ed5d24SPontus Fuchs 3278e84c258SEugene Krasnikov /* DMA channel initialization */ 3288e84c258SEugene Krasnikov ret = wcn36xx_dxe_init(wcn); 3298e84c258SEugene Krasnikov if (ret) { 3308e84c258SEugene Krasnikov wcn36xx_err("DXE init failed\n"); 3318e84c258SEugene Krasnikov goto out_smd_stop; 3328e84c258SEugene Krasnikov } 3338e84c258SEugene Krasnikov 3348e84c258SEugene Krasnikov wcn36xx_debugfs_init(wcn); 3358e84c258SEugene Krasnikov 3368e84c258SEugene Krasnikov INIT_LIST_HEAD(&wcn->vif_list); 3374b12462aSBob Copeland spin_lock_init(&wcn->dxe_lock); 33829696e0aSBryan O'Donoghue spin_lock_init(&wcn->survey_lock); 3394b12462aSBob Copeland 3408e84c258SEugene Krasnikov return 0; 3418e84c258SEugene Krasnikov 3428e84c258SEugene Krasnikov out_smd_stop: 3438e84c258SEugene Krasnikov wcn36xx_smd_stop(wcn); 3448e84c258SEugene Krasnikov out_free_dxe_ctl: 3458e84c258SEugene Krasnikov wcn36xx_dxe_free_ctl_blks(wcn); 3464aa2d31fSChristophe Jaillet out_free_dxe_pool: 3474aa2d31fSChristophe Jaillet wcn36xx_dxe_free_mem_pools(wcn); 3488e84c258SEugene Krasnikov out_smd_close: 3498e84c258SEugene Krasnikov wcn36xx_smd_close(wcn); 3508e84c258SEugene Krasnikov out_err: 3518e84c258SEugene Krasnikov return ret; 3528e84c258SEugene Krasnikov } 3538e84c258SEugene Krasnikov 3548e84c258SEugene Krasnikov static void wcn36xx_stop(struct ieee80211_hw *hw) 3558e84c258SEugene Krasnikov { 3568e84c258SEugene Krasnikov struct wcn36xx *wcn = hw->priv; 3578e84c258SEugene Krasnikov 3588e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "mac stop\n"); 3598e84c258SEugene Krasnikov 36080c764d3SDaniel Mack mutex_lock(&wcn->scan_lock); 36180c764d3SDaniel Mack if (wcn->scan_req) { 36280c764d3SDaniel Mack struct cfg80211_scan_info scan_info = { 36380c764d3SDaniel Mack .aborted = true, 36480c764d3SDaniel Mack }; 36580c764d3SDaniel Mack 36680c764d3SDaniel Mack ieee80211_scan_completed(wcn->hw, &scan_info); 36780c764d3SDaniel Mack } 36880c764d3SDaniel Mack wcn->scan_req = NULL; 36980c764d3SDaniel Mack mutex_unlock(&wcn->scan_lock); 37080c764d3SDaniel Mack 3718e84c258SEugene Krasnikov wcn36xx_debugfs_exit(wcn); 3728e84c258SEugene Krasnikov wcn36xx_smd_stop(wcn); 3738e84c258SEugene Krasnikov wcn36xx_dxe_deinit(wcn); 3748e84c258SEugene Krasnikov wcn36xx_smd_close(wcn); 3758e84c258SEugene Krasnikov 3768e84c258SEugene Krasnikov wcn36xx_dxe_free_mem_pools(wcn); 3778e84c258SEugene Krasnikov wcn36xx_dxe_free_ctl_blks(wcn); 3788e84c258SEugene Krasnikov } 3798e84c258SEugene Krasnikov 3805973a294SLoic Poulain static void wcn36xx_change_ps(struct wcn36xx *wcn, bool enable) 3815973a294SLoic Poulain { 3825973a294SLoic Poulain struct ieee80211_vif *vif = NULL; 3835973a294SLoic Poulain struct wcn36xx_vif *tmp; 3845973a294SLoic Poulain 3855973a294SLoic Poulain list_for_each_entry(tmp, &wcn->vif_list, list) { 3865973a294SLoic Poulain vif = wcn36xx_priv_to_vif(tmp); 3875973a294SLoic Poulain if (enable && !wcn->sw_scan) { 3885973a294SLoic Poulain if (vif->bss_conf.ps) /* ps allowed ? */ 3895973a294SLoic Poulain wcn36xx_pmc_enter_bmps_state(wcn, vif); 3905973a294SLoic Poulain } else { 3915973a294SLoic Poulain wcn36xx_pmc_exit_bmps_state(wcn, vif); 3925973a294SLoic Poulain } 3935973a294SLoic Poulain } 3945973a294SLoic Poulain } 3955973a294SLoic Poulain 3965973a294SLoic Poulain static void wcn36xx_change_opchannel(struct wcn36xx *wcn, int ch) 3975973a294SLoic Poulain { 3985973a294SLoic Poulain struct ieee80211_vif *vif = NULL; 3995973a294SLoic Poulain struct wcn36xx_vif *tmp; 400d6f27466SBryan O'Donoghue struct ieee80211_supported_band *band; 40111e41e29SDan Carpenter struct ieee80211_channel *channel = NULL; 40229696e0aSBryan O'Donoghue unsigned long flags; 403d6f27466SBryan O'Donoghue int i, j; 404d6f27466SBryan O'Donoghue 405d6f27466SBryan O'Donoghue for (i = 0; i < ARRAY_SIZE(wcn->hw->wiphy->bands); i++) { 406d6f27466SBryan O'Donoghue band = wcn->hw->wiphy->bands[i]; 407d6f27466SBryan O'Donoghue if (!band) 408d6f27466SBryan O'Donoghue break; 409d6f27466SBryan O'Donoghue for (j = 0; j < band->n_channels; j++) { 410d6f27466SBryan O'Donoghue if (HW_VALUE_CHANNEL(band->channels[j].hw_value) == ch) { 411d6f27466SBryan O'Donoghue channel = &band->channels[j]; 412d6f27466SBryan O'Donoghue break; 413d6f27466SBryan O'Donoghue } 414d6f27466SBryan O'Donoghue } 415d6f27466SBryan O'Donoghue if (channel) 416d6f27466SBryan O'Donoghue break; 417d6f27466SBryan O'Donoghue } 418d6f27466SBryan O'Donoghue 419d6f27466SBryan O'Donoghue if (!channel) { 420d6f27466SBryan O'Donoghue wcn36xx_err("Cannot tune to channel %d\n", ch); 421d6f27466SBryan O'Donoghue return; 422d6f27466SBryan O'Donoghue } 423d6f27466SBryan O'Donoghue 42429696e0aSBryan O'Donoghue spin_lock_irqsave(&wcn->survey_lock, flags); 425d6f27466SBryan O'Donoghue wcn->band = band; 426d6f27466SBryan O'Donoghue wcn->channel = channel; 42729696e0aSBryan O'Donoghue spin_unlock_irqrestore(&wcn->survey_lock, flags); 4285973a294SLoic Poulain 4295973a294SLoic Poulain list_for_each_entry(tmp, &wcn->vif_list, list) { 4305973a294SLoic Poulain vif = wcn36xx_priv_to_vif(tmp); 4315973a294SLoic Poulain wcn36xx_smd_switch_channel(wcn, vif, ch); 4325973a294SLoic Poulain } 433d6f27466SBryan O'Donoghue 434d6f27466SBryan O'Donoghue return; 4355973a294SLoic Poulain } 4365973a294SLoic Poulain 4378e84c258SEugene Krasnikov static int wcn36xx_config(struct ieee80211_hw *hw, u32 changed) 4388e84c258SEugene Krasnikov { 4398e84c258SEugene Krasnikov struct wcn36xx *wcn = hw->priv; 4408f1ba8b0SBenjamin Li int ret; 4418e84c258SEugene Krasnikov 4428e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "mac config changed 0x%08x\n", changed); 4438e84c258SEugene Krasnikov 44439efc7ccSBjorn Andersson mutex_lock(&wcn->conf_mutex); 44539efc7ccSBjorn Andersson 4468e84c258SEugene Krasnikov if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { 4478e84c258SEugene Krasnikov int ch = WCN36XX_HW_CHANNEL(wcn); 4488e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "wcn36xx_config channel switch=%d\n", 4498e84c258SEugene Krasnikov ch); 4505973a294SLoic Poulain 451d195d7aaSJoseph Gates if (wcn->sw_scan_opchannel == ch && wcn->sw_scan_channel) { 4525973a294SLoic Poulain /* If channel is the initial operating channel, we may 4535973a294SLoic Poulain * want to receive/transmit regular data packets, then 4545973a294SLoic Poulain * simply stop the scan session and exit PS mode. 4555973a294SLoic Poulain */ 4568f1ba8b0SBenjamin Li if (wcn->sw_scan_channel) 4578f1ba8b0SBenjamin Li wcn36xx_smd_end_scan(wcn, wcn->sw_scan_channel); 4588f1ba8b0SBenjamin Li if (wcn->sw_scan_init) { 4595973a294SLoic Poulain wcn36xx_smd_finish_scan(wcn, HAL_SYS_MODE_SCAN, 4605973a294SLoic Poulain wcn->sw_scan_vif); 4618f1ba8b0SBenjamin Li } 4625973a294SLoic Poulain } else if (wcn->sw_scan) { 4635973a294SLoic Poulain /* A scan is ongoing, do not change the operating 4645973a294SLoic Poulain * channel, but start a scan session on the channel. 4655973a294SLoic Poulain */ 4668f1ba8b0SBenjamin Li if (wcn->sw_scan_channel) 4678f1ba8b0SBenjamin Li wcn36xx_smd_end_scan(wcn, wcn->sw_scan_channel); 4688f1ba8b0SBenjamin Li if (!wcn->sw_scan_init) { 4698f1ba8b0SBenjamin Li /* This can fail if we are unable to notify the 4708f1ba8b0SBenjamin Li * operating channel. 4718f1ba8b0SBenjamin Li */ 4728f1ba8b0SBenjamin Li ret = wcn36xx_smd_init_scan(wcn, 4738f1ba8b0SBenjamin Li HAL_SYS_MODE_SCAN, 4745973a294SLoic Poulain wcn->sw_scan_vif); 4758f1ba8b0SBenjamin Li if (ret) { 4768f1ba8b0SBenjamin Li mutex_unlock(&wcn->conf_mutex); 4778f1ba8b0SBenjamin Li return -EIO; 4788f1ba8b0SBenjamin Li } 4798f1ba8b0SBenjamin Li } 4805973a294SLoic Poulain wcn36xx_smd_start_scan(wcn, ch); 4815973a294SLoic Poulain } else { 4825973a294SLoic Poulain wcn36xx_change_opchannel(wcn, ch); 4838e84c258SEugene Krasnikov } 4848e84c258SEugene Krasnikov } 4858e84c258SEugene Krasnikov 4865973a294SLoic Poulain if (changed & IEEE80211_CONF_CHANGE_PS) 4875973a294SLoic Poulain wcn36xx_change_ps(wcn, hw->conf.flags & IEEE80211_CONF_PS); 4880856655aSLoic Poulain 4890e159d2cSBryan O'Donoghue if (changed & IEEE80211_CONF_CHANGE_IDLE) { 4900e159d2cSBryan O'Donoghue if (hw->conf.flags & IEEE80211_CONF_IDLE) 4910e159d2cSBryan O'Donoghue wcn36xx_smd_enter_imps(wcn); 4920e159d2cSBryan O'Donoghue else 4930e159d2cSBryan O'Donoghue wcn36xx_smd_exit_imps(wcn); 4940e159d2cSBryan O'Donoghue } 4950e159d2cSBryan O'Donoghue 49639efc7ccSBjorn Andersson mutex_unlock(&wcn->conf_mutex); 49739efc7ccSBjorn Andersson 4988e84c258SEugene Krasnikov return 0; 4998e84c258SEugene Krasnikov } 5008e84c258SEugene Krasnikov 5018e84c258SEugene Krasnikov static void wcn36xx_configure_filter(struct ieee80211_hw *hw, 5028e84c258SEugene Krasnikov unsigned int changed, 5038e84c258SEugene Krasnikov unsigned int *total, u64 multicast) 5048e84c258SEugene Krasnikov { 50520a779edSPontus Fuchs struct wcn36xx_hal_rcv_flt_mc_addr_list_type *fp; 50620a779edSPontus Fuchs struct wcn36xx *wcn = hw->priv; 50720a779edSPontus Fuchs struct wcn36xx_vif *tmp; 50820a779edSPontus Fuchs struct ieee80211_vif *vif = NULL; 50920a779edSPontus Fuchs 5108e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "mac configure filter\n"); 5118e84c258SEugene Krasnikov 51239efc7ccSBjorn Andersson mutex_lock(&wcn->conf_mutex); 51339efc7ccSBjorn Andersson 51420a779edSPontus Fuchs *total &= FIF_ALLMULTI; 51520a779edSPontus Fuchs 51620a779edSPontus Fuchs fp = (void *)(unsigned long)multicast; 51720a779edSPontus Fuchs list_for_each_entry(tmp, &wcn->vif_list, list) { 51820a779edSPontus Fuchs vif = wcn36xx_priv_to_vif(tmp); 51920a779edSPontus Fuchs 52020a779edSPontus Fuchs /* FW handles MC filtering only when connected as STA */ 52120a779edSPontus Fuchs if (*total & FIF_ALLMULTI) 52220a779edSPontus Fuchs wcn36xx_smd_set_mc_list(wcn, vif, NULL); 52320a779edSPontus Fuchs else if (NL80211_IFTYPE_STATION == vif->type && tmp->sta_assoc) 52420a779edSPontus Fuchs wcn36xx_smd_set_mc_list(wcn, vif, fp); 52520a779edSPontus Fuchs } 52639efc7ccSBjorn Andersson 52739efc7ccSBjorn Andersson mutex_unlock(&wcn->conf_mutex); 52820a779edSPontus Fuchs kfree(fp); 52920a779edSPontus Fuchs } 53020a779edSPontus Fuchs 53120a779edSPontus Fuchs static u64 wcn36xx_prepare_multicast(struct ieee80211_hw *hw, 53220a779edSPontus Fuchs struct netdev_hw_addr_list *mc_list) 53320a779edSPontus Fuchs { 53420a779edSPontus Fuchs struct wcn36xx_hal_rcv_flt_mc_addr_list_type *fp; 53520a779edSPontus Fuchs struct netdev_hw_addr *ha; 53620a779edSPontus Fuchs 53720a779edSPontus Fuchs wcn36xx_dbg(WCN36XX_DBG_MAC, "mac prepare multicast list\n"); 53820a779edSPontus Fuchs fp = kzalloc(sizeof(*fp), GFP_ATOMIC); 53920a779edSPontus Fuchs if (!fp) { 54020a779edSPontus Fuchs wcn36xx_err("Out of memory setting filters.\n"); 54120a779edSPontus Fuchs return 0; 54220a779edSPontus Fuchs } 54320a779edSPontus Fuchs 54420a779edSPontus Fuchs fp->mc_addr_count = 0; 54520a779edSPontus Fuchs /* update multicast filtering parameters */ 54620a779edSPontus Fuchs if (netdev_hw_addr_list_count(mc_list) <= 54720a779edSPontus Fuchs WCN36XX_HAL_MAX_NUM_MULTICAST_ADDRESS) { 54820a779edSPontus Fuchs netdev_hw_addr_list_for_each(ha, mc_list) { 54920a779edSPontus Fuchs memcpy(fp->mc_addr[fp->mc_addr_count], 55020a779edSPontus Fuchs ha->addr, ETH_ALEN); 55120a779edSPontus Fuchs fp->mc_addr_count++; 55220a779edSPontus Fuchs } 55320a779edSPontus Fuchs } 55420a779edSPontus Fuchs 55520a779edSPontus Fuchs return (u64)(unsigned long)fp; 5568e84c258SEugene Krasnikov } 5578e84c258SEugene Krasnikov 5588e84c258SEugene Krasnikov static void wcn36xx_tx(struct ieee80211_hw *hw, 5598e84c258SEugene Krasnikov struct ieee80211_tx_control *control, 5608e84c258SEugene Krasnikov struct sk_buff *skb) 5618e84c258SEugene Krasnikov { 5628e84c258SEugene Krasnikov struct wcn36xx *wcn = hw->priv; 5638e84c258SEugene Krasnikov struct wcn36xx_sta *sta_priv = NULL; 5648e84c258SEugene Krasnikov 5658e84c258SEugene Krasnikov if (control->sta) 566a92e4696SPontus Fuchs sta_priv = wcn36xx_sta_to_priv(control->sta); 5678e84c258SEugene Krasnikov 5688e84c258SEugene Krasnikov if (wcn36xx_start_tx(wcn, sta_priv, skb)) 5698e84c258SEugene Krasnikov ieee80211_free_txskb(wcn->hw, skb); 5708e84c258SEugene Krasnikov } 5718e84c258SEugene Krasnikov 5728e84c258SEugene Krasnikov static int wcn36xx_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 5738e84c258SEugene Krasnikov struct ieee80211_vif *vif, 5748e84c258SEugene Krasnikov struct ieee80211_sta *sta, 5758e84c258SEugene Krasnikov struct ieee80211_key_conf *key_conf) 5768e84c258SEugene Krasnikov { 5778e84c258SEugene Krasnikov struct wcn36xx *wcn = hw->priv; 578ce75877fSPontus Fuchs struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif); 579216da128SLoic Poulain struct wcn36xx_sta *sta_priv = sta ? wcn36xx_sta_to_priv(sta) : NULL; 5808e84c258SEugene Krasnikov int ret = 0; 5818e84c258SEugene Krasnikov u8 key[WLAN_MAX_KEY_LEN]; 5828e84c258SEugene Krasnikov 5838e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "mac80211 set key\n"); 5848e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "Key: cmd=0x%x algo:0x%x, id:%d, len:%d flags 0x%x\n", 5858e84c258SEugene Krasnikov cmd, key_conf->cipher, key_conf->keyidx, 5868e84c258SEugene Krasnikov key_conf->keylen, key_conf->flags); 5878e84c258SEugene Krasnikov wcn36xx_dbg_dump(WCN36XX_DBG_MAC, "KEY: ", 5888e84c258SEugene Krasnikov key_conf->key, 5898e84c258SEugene Krasnikov key_conf->keylen); 5908e84c258SEugene Krasnikov 59139efc7ccSBjorn Andersson mutex_lock(&wcn->conf_mutex); 59239efc7ccSBjorn Andersson 5938e84c258SEugene Krasnikov switch (key_conf->cipher) { 5948e84c258SEugene Krasnikov case WLAN_CIPHER_SUITE_WEP40: 5958e84c258SEugene Krasnikov vif_priv->encrypt_type = WCN36XX_HAL_ED_WEP40; 5968e84c258SEugene Krasnikov break; 5978e84c258SEugene Krasnikov case WLAN_CIPHER_SUITE_WEP104: 59810db60b9SLoic Poulain vif_priv->encrypt_type = WCN36XX_HAL_ED_WEP104; 5998e84c258SEugene Krasnikov break; 6008e84c258SEugene Krasnikov case WLAN_CIPHER_SUITE_CCMP: 6018e84c258SEugene Krasnikov vif_priv->encrypt_type = WCN36XX_HAL_ED_CCMP; 6028e84c258SEugene Krasnikov break; 6038e84c258SEugene Krasnikov case WLAN_CIPHER_SUITE_TKIP: 6048e84c258SEugene Krasnikov vif_priv->encrypt_type = WCN36XX_HAL_ED_TKIP; 6058e84c258SEugene Krasnikov break; 6068e84c258SEugene Krasnikov default: 6078e84c258SEugene Krasnikov wcn36xx_err("Unsupported key type 0x%x\n", 6088e84c258SEugene Krasnikov key_conf->cipher); 6098e84c258SEugene Krasnikov ret = -EOPNOTSUPP; 6108e84c258SEugene Krasnikov goto out; 6118e84c258SEugene Krasnikov } 6128e84c258SEugene Krasnikov 6138e84c258SEugene Krasnikov switch (cmd) { 6148e84c258SEugene Krasnikov case SET_KEY: 6158e84c258SEugene Krasnikov if (WCN36XX_HAL_ED_TKIP == vif_priv->encrypt_type) { 6168e84c258SEugene Krasnikov /* 6178e84c258SEugene Krasnikov * Supplicant is sending key in the wrong order: 6188e84c258SEugene Krasnikov * Temporal Key (16 b) - TX MIC (8 b) - RX MIC (8 b) 6198e84c258SEugene Krasnikov * but HW expects it to be in the order as described in 6208e84c258SEugene Krasnikov * IEEE 802.11 spec (see chapter 11.7) like this: 6218e84c258SEugene Krasnikov * Temporal Key (16 b) - RX MIC (8 b) - TX MIC (8 b) 6228e84c258SEugene Krasnikov */ 6238e84c258SEugene Krasnikov memcpy(key, key_conf->key, 16); 6248e84c258SEugene Krasnikov memcpy(key + 16, key_conf->key + 24, 8); 6258e84c258SEugene Krasnikov memcpy(key + 24, key_conf->key + 16, 8); 6268e84c258SEugene Krasnikov } else { 6278e84c258SEugene Krasnikov memcpy(key, key_conf->key, key_conf->keylen); 6288e84c258SEugene Krasnikov } 6298e84c258SEugene Krasnikov 6308e84c258SEugene Krasnikov if (IEEE80211_KEY_FLAG_PAIRWISE & key_conf->flags) { 6318e84c258SEugene Krasnikov sta_priv->is_data_encrypted = true; 6328e84c258SEugene Krasnikov /* Reconfigure bss with encrypt_type */ 633701668d3SBryan O'Donoghue if (NL80211_IFTYPE_STATION == vif->type) { 6348e84c258SEugene Krasnikov wcn36xx_smd_config_bss(wcn, 6358e84c258SEugene Krasnikov vif, 6368e84c258SEugene Krasnikov sta, 6378e84c258SEugene Krasnikov sta->addr, 6388e84c258SEugene Krasnikov true); 639701668d3SBryan O'Donoghue wcn36xx_smd_config_sta(wcn, vif, sta); 640701668d3SBryan O'Donoghue } 6418e84c258SEugene Krasnikov 6428e84c258SEugene Krasnikov wcn36xx_smd_set_stakey(wcn, 6438e84c258SEugene Krasnikov vif_priv->encrypt_type, 6448e84c258SEugene Krasnikov key_conf->keyidx, 6458e84c258SEugene Krasnikov key_conf->keylen, 6468e84c258SEugene Krasnikov key, 6478e84c258SEugene Krasnikov get_sta_index(vif, sta_priv)); 6488e84c258SEugene Krasnikov } else { 6498e84c258SEugene Krasnikov wcn36xx_smd_set_bsskey(wcn, 6508e84c258SEugene Krasnikov vif_priv->encrypt_type, 6510fc8bb50SDaniel Mack vif_priv->bss_index, 6528e84c258SEugene Krasnikov key_conf->keyidx, 6538e84c258SEugene Krasnikov key_conf->keylen, 6548e84c258SEugene Krasnikov key); 655e3160542SLoic Poulain 6568e84c258SEugene Krasnikov if ((WLAN_CIPHER_SUITE_WEP40 == key_conf->cipher) || 6578e84c258SEugene Krasnikov (WLAN_CIPHER_SUITE_WEP104 == key_conf->cipher)) { 658216da128SLoic Poulain list_for_each_entry(sta_priv, 659216da128SLoic Poulain &vif_priv->sta_list, list) { 6608e84c258SEugene Krasnikov sta_priv->is_data_encrypted = true; 6618e84c258SEugene Krasnikov wcn36xx_smd_set_stakey(wcn, 6628e84c258SEugene Krasnikov vif_priv->encrypt_type, 6638e84c258SEugene Krasnikov key_conf->keyidx, 6648e84c258SEugene Krasnikov key_conf->keylen, 6658e84c258SEugene Krasnikov key, 6668e84c258SEugene Krasnikov get_sta_index(vif, sta_priv)); 6678e84c258SEugene Krasnikov } 6688e84c258SEugene Krasnikov } 669216da128SLoic Poulain } 6708e84c258SEugene Krasnikov break; 6718e84c258SEugene Krasnikov case DISABLE_KEY: 6728e84c258SEugene Krasnikov if (!(IEEE80211_KEY_FLAG_PAIRWISE & key_conf->flags)) { 6730fc8bb50SDaniel Mack if (vif_priv->bss_index != WCN36XX_HAL_BSS_INVALID_IDX) 6748e84c258SEugene Krasnikov wcn36xx_smd_remove_bsskey(wcn, 6758e84c258SEugene Krasnikov vif_priv->encrypt_type, 6760fc8bb50SDaniel Mack vif_priv->bss_index, 6778e84c258SEugene Krasnikov key_conf->keyidx); 6780fc8bb50SDaniel Mack 6790fc8bb50SDaniel Mack vif_priv->encrypt_type = WCN36XX_HAL_ED_NONE; 6808e84c258SEugene Krasnikov } else { 6818e84c258SEugene Krasnikov sta_priv->is_data_encrypted = false; 6828e84c258SEugene Krasnikov /* do not remove key if disassociated */ 6838e84c258SEugene Krasnikov if (sta_priv->aid) 6848e84c258SEugene Krasnikov wcn36xx_smd_remove_stakey(wcn, 6858e84c258SEugene Krasnikov vif_priv->encrypt_type, 6868e84c258SEugene Krasnikov key_conf->keyidx, 6878e84c258SEugene Krasnikov get_sta_index(vif, sta_priv)); 6888e84c258SEugene Krasnikov } 6898e84c258SEugene Krasnikov break; 6908e84c258SEugene Krasnikov default: 6918e84c258SEugene Krasnikov wcn36xx_err("Unsupported key cmd 0x%x\n", cmd); 6928e84c258SEugene Krasnikov ret = -EOPNOTSUPP; 6938e84c258SEugene Krasnikov goto out; 6948e84c258SEugene Krasnikov } 6958e84c258SEugene Krasnikov 6968e84c258SEugene Krasnikov out: 69739efc7ccSBjorn Andersson mutex_unlock(&wcn->conf_mutex); 69839efc7ccSBjorn Andersson 6998e84c258SEugene Krasnikov return ret; 7008e84c258SEugene Krasnikov } 7018e84c258SEugene Krasnikov 70288603903SBjorn Andersson static int wcn36xx_hw_scan(struct ieee80211_hw *hw, 70388603903SBjorn Andersson struct ieee80211_vif *vif, 70488603903SBjorn Andersson struct ieee80211_scan_request *hw_req) 7058e84c258SEugene Krasnikov { 7068e84c258SEugene Krasnikov struct wcn36xx *wcn = hw->priv; 7075973a294SLoic Poulain 7085973a294SLoic Poulain if (!get_feat_caps(wcn->fw_feat_caps, SCAN_OFFLOAD)) { 7095973a294SLoic Poulain /* fallback to mac80211 software scan */ 7105973a294SLoic Poulain return 1; 7115973a294SLoic Poulain } 7125973a294SLoic Poulain 7132371b15fSLoic Poulain /* Firmware scan offload is limited to 48 channels, fallback to 7142371b15fSLoic Poulain * software driven scanning otherwise. 7155973a294SLoic Poulain */ 7162371b15fSLoic Poulain if (hw_req->req.n_channels > 48) { 7172371b15fSLoic Poulain wcn36xx_warn("Offload scan aborted, n_channels=%u", 7182371b15fSLoic Poulain hw_req->req.n_channels); 7195973a294SLoic Poulain return 1; 7205973a294SLoic Poulain } 7215973a294SLoic Poulain 72288603903SBjorn Andersson mutex_lock(&wcn->scan_lock); 72388603903SBjorn Andersson if (wcn->scan_req) { 72488603903SBjorn Andersson mutex_unlock(&wcn->scan_lock); 72588603903SBjorn Andersson return -EBUSY; 72688603903SBjorn Andersson } 72703c95dbeSBjorn Andersson 72803c95dbeSBjorn Andersson wcn->scan_aborted = false; 72988603903SBjorn Andersson wcn->scan_req = &hw_req->req; 7302f3bef4bSLoic Poulain 73188603903SBjorn Andersson mutex_unlock(&wcn->scan_lock); 73288603903SBjorn Andersson 733d707f812SLoic Poulain wcn36xx_smd_update_channel_list(wcn, &hw_req->req); 7342f3bef4bSLoic Poulain return wcn36xx_smd_start_hw_scan(wcn, vif, &hw_req->req); 7352f3bef4bSLoic Poulain } 7362f3bef4bSLoic Poulain 73703c95dbeSBjorn Andersson static void wcn36xx_cancel_hw_scan(struct ieee80211_hw *hw, 73803c95dbeSBjorn Andersson struct ieee80211_vif *vif) 73903c95dbeSBjorn Andersson { 74003c95dbeSBjorn Andersson struct wcn36xx *wcn = hw->priv; 74103c95dbeSBjorn Andersson 74203c95dbeSBjorn Andersson mutex_lock(&wcn->scan_lock); 74303c95dbeSBjorn Andersson wcn->scan_aborted = true; 74403c95dbeSBjorn Andersson mutex_unlock(&wcn->scan_lock); 74503c95dbeSBjorn Andersson 74689722f57SDaniel Mack if (get_feat_caps(wcn->fw_feat_caps, SCAN_OFFLOAD)) { 74789722f57SDaniel Mack /* ieee80211_scan_completed will be called on FW scan 74889722f57SDaniel Mack * indication */ 7499bfd05e3SLoic Poulain wcn36xx_smd_stop_hw_scan(wcn); 75089722f57SDaniel Mack } 75103c95dbeSBjorn Andersson } 75203c95dbeSBjorn Andersson 7535973a294SLoic Poulain static void wcn36xx_sw_scan_start(struct ieee80211_hw *hw, 7545973a294SLoic Poulain struct ieee80211_vif *vif, 7555973a294SLoic Poulain const u8 *mac_addr) 7565973a294SLoic Poulain { 7575973a294SLoic Poulain struct wcn36xx *wcn = hw->priv; 7585973a294SLoic Poulain struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif); 7595973a294SLoic Poulain 760df008741SBenjamin Li wcn36xx_dbg(WCN36XX_DBG_MAC, "sw_scan_start"); 761df008741SBenjamin Li 7625973a294SLoic Poulain wcn->sw_scan = true; 7635973a294SLoic Poulain wcn->sw_scan_vif = vif; 764d195d7aaSJoseph Gates wcn->sw_scan_channel = 0; 7655973a294SLoic Poulain if (vif_priv->sta_assoc) 7665973a294SLoic Poulain wcn->sw_scan_opchannel = WCN36XX_HW_CHANNEL(wcn); 7675973a294SLoic Poulain else 7685973a294SLoic Poulain wcn->sw_scan_opchannel = 0; 7695973a294SLoic Poulain } 7705973a294SLoic Poulain 7715973a294SLoic Poulain static void wcn36xx_sw_scan_complete(struct ieee80211_hw *hw, 7725973a294SLoic Poulain struct ieee80211_vif *vif) 7735973a294SLoic Poulain { 7745973a294SLoic Poulain struct wcn36xx *wcn = hw->priv; 7755973a294SLoic Poulain 776df008741SBenjamin Li wcn36xx_dbg(WCN36XX_DBG_MAC, "sw_scan_complete"); 777df008741SBenjamin Li 7785973a294SLoic Poulain /* ensure that any scan session is finished */ 7798f1ba8b0SBenjamin Li if (wcn->sw_scan_channel) 7808f1ba8b0SBenjamin Li wcn36xx_smd_end_scan(wcn, wcn->sw_scan_channel); 7818f1ba8b0SBenjamin Li if (wcn->sw_scan_init) { 7828f1ba8b0SBenjamin Li wcn36xx_smd_finish_scan(wcn, HAL_SYS_MODE_SCAN, 7838f1ba8b0SBenjamin Li wcn->sw_scan_vif); 7848f1ba8b0SBenjamin Li } 7855973a294SLoic Poulain wcn->sw_scan = false; 7865973a294SLoic Poulain wcn->sw_scan_opchannel = 0; 7875973a294SLoic Poulain } 7885973a294SLoic Poulain 7898e84c258SEugene Krasnikov static void wcn36xx_update_allowed_rates(struct ieee80211_sta *sta, 79057fbcce3SJohannes Berg enum nl80211_band band) 7918e84c258SEugene Krasnikov { 7928e84c258SEugene Krasnikov int i, size; 7938e84c258SEugene Krasnikov u16 *rates_table; 794a92e4696SPontus Fuchs struct wcn36xx_sta *sta_priv = wcn36xx_sta_to_priv(sta); 795*046d2e7cSSriram R u32 rates = sta->deflink.supp_rates[band]; 7968e84c258SEugene Krasnikov 7978e84c258SEugene Krasnikov memset(&sta_priv->supported_rates, 0, 7988e84c258SEugene Krasnikov sizeof(sta_priv->supported_rates)); 7998e84c258SEugene Krasnikov sta_priv->supported_rates.op_rate_mode = STA_11n; 8008e84c258SEugene Krasnikov 8018e84c258SEugene Krasnikov size = ARRAY_SIZE(sta_priv->supported_rates.dsss_rates); 8028e84c258SEugene Krasnikov rates_table = sta_priv->supported_rates.dsss_rates; 80357fbcce3SJohannes Berg if (band == NL80211_BAND_2GHZ) { 8048e84c258SEugene Krasnikov for (i = 0; i < size; i++) { 8058e84c258SEugene Krasnikov if (rates & 0x01) { 8068e84c258SEugene Krasnikov rates_table[i] = wcn_2ghz_rates[i].hw_value; 8078e84c258SEugene Krasnikov rates = rates >> 1; 8088e84c258SEugene Krasnikov } 8098e84c258SEugene Krasnikov } 8108e84c258SEugene Krasnikov } 8118e84c258SEugene Krasnikov 8128e84c258SEugene Krasnikov size = ARRAY_SIZE(sta_priv->supported_rates.ofdm_rates); 8138e84c258SEugene Krasnikov rates_table = sta_priv->supported_rates.ofdm_rates; 8148e84c258SEugene Krasnikov for (i = 0; i < size; i++) { 8158e84c258SEugene Krasnikov if (rates & 0x01) { 8168e84c258SEugene Krasnikov rates_table[i] = wcn_5ghz_rates[i].hw_value; 8178e84c258SEugene Krasnikov rates = rates >> 1; 8188e84c258SEugene Krasnikov } 8198e84c258SEugene Krasnikov } 8208e84c258SEugene Krasnikov 821*046d2e7cSSriram R if (sta->deflink.ht_cap.ht_supported) { 822*046d2e7cSSriram R BUILD_BUG_ON(sizeof(sta->deflink.ht_cap.mcs.rx_mask) > 8238e84c258SEugene Krasnikov sizeof(sta_priv->supported_rates.supported_mcs_set)); 8248e84c258SEugene Krasnikov memcpy(sta_priv->supported_rates.supported_mcs_set, 825*046d2e7cSSriram R sta->deflink.ht_cap.mcs.rx_mask, 826*046d2e7cSSriram R sizeof(sta->deflink.ht_cap.mcs.rx_mask)); 8278e84c258SEugene Krasnikov } 82887d3f1f3SBryan O'Donoghue 829*046d2e7cSSriram R if (sta->deflink.vht_cap.vht_supported) { 83087d3f1f3SBryan O'Donoghue sta_priv->supported_rates.op_rate_mode = STA_11ac; 83187d3f1f3SBryan O'Donoghue sta_priv->supported_rates.vht_rx_mcs_map = 832*046d2e7cSSriram R sta->deflink.vht_cap.vht_mcs.rx_mcs_map; 83387d3f1f3SBryan O'Donoghue sta_priv->supported_rates.vht_tx_mcs_map = 834*046d2e7cSSriram R sta->deflink.vht_cap.vht_mcs.tx_mcs_map; 83587d3f1f3SBryan O'Donoghue } 8368e84c258SEugene Krasnikov } 83721409151SBryan O'Donoghue 8388e84c258SEugene Krasnikov void wcn36xx_set_default_rates(struct wcn36xx_hal_supported_rates *rates) 8398e84c258SEugene Krasnikov { 8408e84c258SEugene Krasnikov u16 ofdm_rates[WCN36XX_HAL_NUM_OFDM_RATES] = { 8418e84c258SEugene Krasnikov HW_RATE_INDEX_6MBPS, 8428e84c258SEugene Krasnikov HW_RATE_INDEX_9MBPS, 8438e84c258SEugene Krasnikov HW_RATE_INDEX_12MBPS, 8448e84c258SEugene Krasnikov HW_RATE_INDEX_18MBPS, 8458e84c258SEugene Krasnikov HW_RATE_INDEX_24MBPS, 8468e84c258SEugene Krasnikov HW_RATE_INDEX_36MBPS, 8478e84c258SEugene Krasnikov HW_RATE_INDEX_48MBPS, 8488e84c258SEugene Krasnikov HW_RATE_INDEX_54MBPS 8498e84c258SEugene Krasnikov }; 8508e84c258SEugene Krasnikov u16 dsss_rates[WCN36XX_HAL_NUM_DSSS_RATES] = { 8518e84c258SEugene Krasnikov HW_RATE_INDEX_1MBPS, 8528e84c258SEugene Krasnikov HW_RATE_INDEX_2MBPS, 8538e84c258SEugene Krasnikov HW_RATE_INDEX_5_5MBPS, 8548e84c258SEugene Krasnikov HW_RATE_INDEX_11MBPS 8558e84c258SEugene Krasnikov }; 8568e84c258SEugene Krasnikov 8578e84c258SEugene Krasnikov rates->op_rate_mode = STA_11n; 8588e84c258SEugene Krasnikov memcpy(rates->dsss_rates, dsss_rates, 8598e84c258SEugene Krasnikov sizeof(*dsss_rates) * WCN36XX_HAL_NUM_DSSS_RATES); 8608e84c258SEugene Krasnikov memcpy(rates->ofdm_rates, ofdm_rates, 8618e84c258SEugene Krasnikov sizeof(*ofdm_rates) * WCN36XX_HAL_NUM_OFDM_RATES); 8628e84c258SEugene Krasnikov rates->supported_mcs_set[0] = 0xFF; 8638e84c258SEugene Krasnikov } 864c84515bdSBryan O'Donoghue 865c84515bdSBryan O'Donoghue void wcn36xx_set_default_rates_v1(struct wcn36xx_hal_supported_rates_v1 *rates) 866c84515bdSBryan O'Donoghue { 867c84515bdSBryan O'Donoghue rates->op_rate_mode = STA_11ac; 868c84515bdSBryan O'Donoghue rates->vht_rx_mcs_map = IEEE80211_VHT_MCS_SUPPORT_0_9; 869c84515bdSBryan O'Donoghue rates->vht_tx_mcs_map = IEEE80211_VHT_MCS_SUPPORT_0_9; 870c84515bdSBryan O'Donoghue } 871c84515bdSBryan O'Donoghue 8728e84c258SEugene Krasnikov static void wcn36xx_bss_info_changed(struct ieee80211_hw *hw, 8738e84c258SEugene Krasnikov struct ieee80211_vif *vif, 8748e84c258SEugene Krasnikov struct ieee80211_bss_conf *bss_conf, 8758e84c258SEugene Krasnikov u32 changed) 8768e84c258SEugene Krasnikov { 8778e84c258SEugene Krasnikov struct wcn36xx *wcn = hw->priv; 8788e84c258SEugene Krasnikov struct sk_buff *skb = NULL; 8798e84c258SEugene Krasnikov u16 tim_off, tim_len; 8808e84c258SEugene Krasnikov enum wcn36xx_hal_link_state link_state; 881ce75877fSPontus Fuchs struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif); 8828e84c258SEugene Krasnikov 8838e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "mac bss info changed vif %p changed 0x%08x\n", 8848e84c258SEugene Krasnikov vif, changed); 8858e84c258SEugene Krasnikov 88639efc7ccSBjorn Andersson mutex_lock(&wcn->conf_mutex); 88739efc7ccSBjorn Andersson 8888e84c258SEugene Krasnikov if (changed & BSS_CHANGED_BEACON_INFO) { 8898e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, 8908e84c258SEugene Krasnikov "mac bss changed dtim period %d\n", 8918e84c258SEugene Krasnikov bss_conf->dtim_period); 8928e84c258SEugene Krasnikov 8938e84c258SEugene Krasnikov vif_priv->dtim_period = bss_conf->dtim_period; 8948e84c258SEugene Krasnikov } 8958e84c258SEugene Krasnikov 8968e84c258SEugene Krasnikov if (changed & BSS_CHANGED_BSSID) { 8978e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "mac bss changed_bssid %pM\n", 8988e84c258SEugene Krasnikov bss_conf->bssid); 8998e84c258SEugene Krasnikov 9008e84c258SEugene Krasnikov if (!is_zero_ether_addr(bss_conf->bssid)) { 9018e84c258SEugene Krasnikov vif_priv->is_joining = true; 90290023c03SPontus Fuchs vif_priv->bss_index = WCN36XX_HAL_BSS_INVALID_IDX; 9032a46c829SDaniel Mack wcn36xx_smd_set_link_st(wcn, bss_conf->bssid, vif->addr, 9042a46c829SDaniel Mack WCN36XX_HAL_LINK_PREASSOC_STATE); 9058e84c258SEugene Krasnikov wcn36xx_smd_join(wcn, bss_conf->bssid, 9068e84c258SEugene Krasnikov vif->addr, WCN36XX_HW_CHANNEL(wcn)); 9078e84c258SEugene Krasnikov wcn36xx_smd_config_bss(wcn, vif, NULL, 9088e84c258SEugene Krasnikov bss_conf->bssid, false); 9098e84c258SEugene Krasnikov } else { 9108e84c258SEugene Krasnikov vif_priv->is_joining = false; 9118e84c258SEugene Krasnikov wcn36xx_smd_delete_bss(wcn, vif); 9122a46c829SDaniel Mack wcn36xx_smd_set_link_st(wcn, bss_conf->bssid, vif->addr, 9132a46c829SDaniel Mack WCN36XX_HAL_LINK_IDLE_STATE); 9142716a8acSPontus Fuchs vif_priv->encrypt_type = WCN36XX_HAL_ED_NONE; 9158e84c258SEugene Krasnikov } 9168e84c258SEugene Krasnikov } 9178e84c258SEugene Krasnikov 9188e84c258SEugene Krasnikov if (changed & BSS_CHANGED_SSID) { 9198e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, 9208e84c258SEugene Krasnikov "mac bss changed ssid\n"); 9218e84c258SEugene Krasnikov wcn36xx_dbg_dump(WCN36XX_DBG_MAC, "ssid ", 9228e84c258SEugene Krasnikov bss_conf->ssid, bss_conf->ssid_len); 9238e84c258SEugene Krasnikov 9248e84c258SEugene Krasnikov vif_priv->ssid.length = bss_conf->ssid_len; 9258e84c258SEugene Krasnikov memcpy(&vif_priv->ssid.ssid, 9268e84c258SEugene Krasnikov bss_conf->ssid, 9278e84c258SEugene Krasnikov bss_conf->ssid_len); 9288e84c258SEugene Krasnikov } 9298e84c258SEugene Krasnikov 9308e84c258SEugene Krasnikov if (changed & BSS_CHANGED_ASSOC) { 9318e84c258SEugene Krasnikov vif_priv->is_joining = false; 9328e84c258SEugene Krasnikov if (bss_conf->assoc) { 9338e84c258SEugene Krasnikov struct ieee80211_sta *sta; 9348e84c258SEugene Krasnikov struct wcn36xx_sta *sta_priv; 9358e84c258SEugene Krasnikov 9368e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, 9378e84c258SEugene Krasnikov "mac assoc bss %pM vif %pM AID=%d\n", 9388e84c258SEugene Krasnikov bss_conf->bssid, 9398e84c258SEugene Krasnikov vif->addr, 9408e84c258SEugene Krasnikov bss_conf->aid); 9418e84c258SEugene Krasnikov 942043ce546SPontus Fuchs vif_priv->sta_assoc = true; 94339efc7ccSBjorn Andersson 94439efc7ccSBjorn Andersson /* 94539efc7ccSBjorn Andersson * Holding conf_mutex ensures mutal exclusion with 94639efc7ccSBjorn Andersson * wcn36xx_sta_remove() and as such ensures that sta 94739efc7ccSBjorn Andersson * won't be freed while we're operating on it. As such 94839efc7ccSBjorn Andersson * we do not need to hold the rcu_read_lock(). 94939efc7ccSBjorn Andersson */ 9508e84c258SEugene Krasnikov sta = ieee80211_find_sta(vif, bss_conf->bssid); 9518e84c258SEugene Krasnikov if (!sta) { 9528e84c258SEugene Krasnikov wcn36xx_err("sta %pM is not found\n", 9538e84c258SEugene Krasnikov bss_conf->bssid); 9548e84c258SEugene Krasnikov goto out; 9558e84c258SEugene Krasnikov } 956a92e4696SPontus Fuchs sta_priv = wcn36xx_sta_to_priv(sta); 9578e84c258SEugene Krasnikov 9588e84c258SEugene Krasnikov wcn36xx_update_allowed_rates(sta, WCN36XX_BAND(wcn)); 9598e84c258SEugene Krasnikov 9608e84c258SEugene Krasnikov wcn36xx_smd_set_link_st(wcn, bss_conf->bssid, 9618e84c258SEugene Krasnikov vif->addr, 9628e84c258SEugene Krasnikov WCN36XX_HAL_LINK_POSTASSOC_STATE); 9638e84c258SEugene Krasnikov wcn36xx_smd_config_bss(wcn, vif, sta, 9648e84c258SEugene Krasnikov bss_conf->bssid, 9658e84c258SEugene Krasnikov true); 9668e84c258SEugene Krasnikov sta_priv->aid = bss_conf->aid; 9678e84c258SEugene Krasnikov /* 9688e84c258SEugene Krasnikov * config_sta must be called from because this is the 9698e84c258SEugene Krasnikov * place where AID is available. 9708e84c258SEugene Krasnikov */ 9718e84c258SEugene Krasnikov wcn36xx_smd_config_sta(wcn, vif, sta); 972bebd87eeSBryan O'Donoghue if (vif->type == NL80211_IFTYPE_STATION) 973bebd87eeSBryan O'Donoghue wcn36xx_smd_add_beacon_filter(wcn, vif); 9745336fad9SBryan O'Donoghue wcn36xx_enable_keep_alive_null_packet(wcn, vif); 9758e84c258SEugene Krasnikov } else { 9768e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, 9778e84c258SEugene Krasnikov "disassociated bss %pM vif %pM AID=%d\n", 9788e84c258SEugene Krasnikov bss_conf->bssid, 9798e84c258SEugene Krasnikov vif->addr, 9808e84c258SEugene Krasnikov bss_conf->aid); 981043ce546SPontus Fuchs vif_priv->sta_assoc = false; 9828e84c258SEugene Krasnikov wcn36xx_smd_set_link_st(wcn, 9838e84c258SEugene Krasnikov bss_conf->bssid, 9848e84c258SEugene Krasnikov vif->addr, 9858e84c258SEugene Krasnikov WCN36XX_HAL_LINK_IDLE_STATE); 9868e84c258SEugene Krasnikov } 9878e84c258SEugene Krasnikov } 9888e84c258SEugene Krasnikov 9898e84c258SEugene Krasnikov if (changed & BSS_CHANGED_AP_PROBE_RESP) { 9908e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "mac bss changed ap probe resp\n"); 9918e84c258SEugene Krasnikov skb = ieee80211_proberesp_get(hw, vif); 9928e84c258SEugene Krasnikov if (!skb) { 9938e84c258SEugene Krasnikov wcn36xx_err("failed to alloc probereq skb\n"); 9948e84c258SEugene Krasnikov goto out; 9958e84c258SEugene Krasnikov } 9968e84c258SEugene Krasnikov 9978e84c258SEugene Krasnikov wcn36xx_smd_update_proberesp_tmpl(wcn, vif, skb); 9988e84c258SEugene Krasnikov dev_kfree_skb(skb); 9998e84c258SEugene Krasnikov } 10008e84c258SEugene Krasnikov 1001b3e3f871SChun-Yeow Yeoh if (changed & BSS_CHANGED_BEACON_ENABLED || 1002b3e3f871SChun-Yeow Yeoh changed & BSS_CHANGED_BEACON) { 10038e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, 10048e84c258SEugene Krasnikov "mac bss changed beacon enabled %d\n", 10058e84c258SEugene Krasnikov bss_conf->enable_beacon); 10068e84c258SEugene Krasnikov 10078e84c258SEugene Krasnikov if (bss_conf->enable_beacon) { 1008908628dbSPontus Fuchs vif_priv->dtim_period = bss_conf->dtim_period; 100990023c03SPontus Fuchs vif_priv->bss_index = WCN36XX_HAL_BSS_INVALID_IDX; 10108e84c258SEugene Krasnikov wcn36xx_smd_config_bss(wcn, vif, NULL, 10118e84c258SEugene Krasnikov vif->addr, false); 10128e84c258SEugene Krasnikov skb = ieee80211_beacon_get_tim(hw, vif, &tim_off, 10138e84c258SEugene Krasnikov &tim_len); 10148e84c258SEugene Krasnikov if (!skb) { 10158e84c258SEugene Krasnikov wcn36xx_err("failed to alloc beacon skb\n"); 10168e84c258SEugene Krasnikov goto out; 10178e84c258SEugene Krasnikov } 10188e84c258SEugene Krasnikov wcn36xx_smd_send_beacon(wcn, vif, skb, tim_off, 0); 10198e84c258SEugene Krasnikov dev_kfree_skb(skb); 10208e84c258SEugene Krasnikov 10218e84c258SEugene Krasnikov if (vif->type == NL80211_IFTYPE_ADHOC || 10228e84c258SEugene Krasnikov vif->type == NL80211_IFTYPE_MESH_POINT) 10238e84c258SEugene Krasnikov link_state = WCN36XX_HAL_LINK_IBSS_STATE; 10248e84c258SEugene Krasnikov else 10258e84c258SEugene Krasnikov link_state = WCN36XX_HAL_LINK_AP_STATE; 10268e84c258SEugene Krasnikov 10278e84c258SEugene Krasnikov wcn36xx_smd_set_link_st(wcn, vif->addr, vif->addr, 10288e84c258SEugene Krasnikov link_state); 10298e84c258SEugene Krasnikov } else { 10305443918dSBjorn Andersson wcn36xx_smd_delete_bss(wcn, vif); 10318e84c258SEugene Krasnikov wcn36xx_smd_set_link_st(wcn, vif->addr, vif->addr, 10328e84c258SEugene Krasnikov WCN36XX_HAL_LINK_IDLE_STATE); 10338e84c258SEugene Krasnikov } 10348e84c258SEugene Krasnikov } 10358e84c258SEugene Krasnikov out: 103639efc7ccSBjorn Andersson 103739efc7ccSBjorn Andersson mutex_unlock(&wcn->conf_mutex); 10388e84c258SEugene Krasnikov } 10398e84c258SEugene Krasnikov 10408e84c258SEugene Krasnikov /* this is required when using IEEE80211_HW_HAS_RATE_CONTROL */ 10418e84c258SEugene Krasnikov static int wcn36xx_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 10428e84c258SEugene Krasnikov { 10438e84c258SEugene Krasnikov struct wcn36xx *wcn = hw->priv; 10448e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "mac set RTS threshold %d\n", value); 10458e84c258SEugene Krasnikov 104639efc7ccSBjorn Andersson mutex_lock(&wcn->conf_mutex); 10478e84c258SEugene Krasnikov wcn36xx_smd_update_cfg(wcn, WCN36XX_HAL_CFG_RTS_THRESHOLD, value); 104839efc7ccSBjorn Andersson mutex_unlock(&wcn->conf_mutex); 104939efc7ccSBjorn Andersson 10508e84c258SEugene Krasnikov return 0; 10518e84c258SEugene Krasnikov } 10528e84c258SEugene Krasnikov 10538e84c258SEugene Krasnikov static void wcn36xx_remove_interface(struct ieee80211_hw *hw, 10548e84c258SEugene Krasnikov struct ieee80211_vif *vif) 10558e84c258SEugene Krasnikov { 10568e84c258SEugene Krasnikov struct wcn36xx *wcn = hw->priv; 1057ce75877fSPontus Fuchs struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif); 10588e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "mac remove interface vif %p\n", vif); 10598e84c258SEugene Krasnikov 106039efc7ccSBjorn Andersson mutex_lock(&wcn->conf_mutex); 106139efc7ccSBjorn Andersson 10628e84c258SEugene Krasnikov list_del(&vif_priv->list); 10638e84c258SEugene Krasnikov wcn36xx_smd_delete_sta_self(wcn, vif->addr); 106439efc7ccSBjorn Andersson 106539efc7ccSBjorn Andersson mutex_unlock(&wcn->conf_mutex); 10668e84c258SEugene Krasnikov } 10678e84c258SEugene Krasnikov 10688e84c258SEugene Krasnikov static int wcn36xx_add_interface(struct ieee80211_hw *hw, 10698e84c258SEugene Krasnikov struct ieee80211_vif *vif) 10708e84c258SEugene Krasnikov { 10718e84c258SEugene Krasnikov struct wcn36xx *wcn = hw->priv; 1072ce75877fSPontus Fuchs struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif); 10738e84c258SEugene Krasnikov 10748e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "mac add interface vif %p type %d\n", 10758e84c258SEugene Krasnikov vif, vif->type); 10768e84c258SEugene Krasnikov 10778e84c258SEugene Krasnikov if (!(NL80211_IFTYPE_STATION == vif->type || 10788e84c258SEugene Krasnikov NL80211_IFTYPE_AP == vif->type || 10798e84c258SEugene Krasnikov NL80211_IFTYPE_ADHOC == vif->type || 10808e84c258SEugene Krasnikov NL80211_IFTYPE_MESH_POINT == vif->type)) { 10818e84c258SEugene Krasnikov wcn36xx_warn("Unsupported interface type requested: %d\n", 10828e84c258SEugene Krasnikov vif->type); 10838e84c258SEugene Krasnikov return -EOPNOTSUPP; 10848e84c258SEugene Krasnikov } 10858e84c258SEugene Krasnikov 108639efc7ccSBjorn Andersson mutex_lock(&wcn->conf_mutex); 108739efc7ccSBjorn Andersson 10882edfcf2bSDaniel Mack vif_priv->bss_index = WCN36XX_HAL_BSS_INVALID_IDX; 1089e3160542SLoic Poulain INIT_LIST_HEAD(&vif_priv->sta_list); 10908e84c258SEugene Krasnikov list_add(&vif_priv->list, &wcn->vif_list); 10918e84c258SEugene Krasnikov wcn36xx_smd_add_sta_self(wcn, vif); 10928e84c258SEugene Krasnikov 109339efc7ccSBjorn Andersson mutex_unlock(&wcn->conf_mutex); 109439efc7ccSBjorn Andersson 10958e84c258SEugene Krasnikov return 0; 10968e84c258SEugene Krasnikov } 10978e84c258SEugene Krasnikov 10988e84c258SEugene Krasnikov static int wcn36xx_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 10998e84c258SEugene Krasnikov struct ieee80211_sta *sta) 11008e84c258SEugene Krasnikov { 11018e84c258SEugene Krasnikov struct wcn36xx *wcn = hw->priv; 1102ce75877fSPontus Fuchs struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif); 1103a92e4696SPontus Fuchs struct wcn36xx_sta *sta_priv = wcn36xx_sta_to_priv(sta); 11048e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "mac sta add vif %p sta %pM\n", 11058e84c258SEugene Krasnikov vif, sta->addr); 11068e84c258SEugene Krasnikov 110739efc7ccSBjorn Andersson mutex_lock(&wcn->conf_mutex); 110839efc7ccSBjorn Andersson 1109e26dc173SBob Copeland spin_lock_init(&sta_priv->ampdu_lock); 11108e84c258SEugene Krasnikov sta_priv->vif = vif_priv; 1111e3160542SLoic Poulain list_add(&sta_priv->list, &vif_priv->sta_list); 1112e3160542SLoic Poulain 11138e84c258SEugene Krasnikov /* 11148e84c258SEugene Krasnikov * For STA mode HW will be configured on BSS_CHANGED_ASSOC because 11158e84c258SEugene Krasnikov * at this stage AID is not available yet. 11168e84c258SEugene Krasnikov */ 11178e84c258SEugene Krasnikov if (NL80211_IFTYPE_STATION != vif->type) { 11188e84c258SEugene Krasnikov wcn36xx_update_allowed_rates(sta, WCN36XX_BAND(wcn)); 11198e84c258SEugene Krasnikov sta_priv->aid = sta->aid; 11208e84c258SEugene Krasnikov wcn36xx_smd_config_sta(wcn, vif, sta); 11218e84c258SEugene Krasnikov } 112239efc7ccSBjorn Andersson 112339efc7ccSBjorn Andersson mutex_unlock(&wcn->conf_mutex); 112439efc7ccSBjorn Andersson 11258e84c258SEugene Krasnikov return 0; 11268e84c258SEugene Krasnikov } 11278e84c258SEugene Krasnikov 11288e84c258SEugene Krasnikov static int wcn36xx_sta_remove(struct ieee80211_hw *hw, 11298e84c258SEugene Krasnikov struct ieee80211_vif *vif, 11308e84c258SEugene Krasnikov struct ieee80211_sta *sta) 11318e84c258SEugene Krasnikov { 11328e84c258SEugene Krasnikov struct wcn36xx *wcn = hw->priv; 1133a92e4696SPontus Fuchs struct wcn36xx_sta *sta_priv = wcn36xx_sta_to_priv(sta); 11348e84c258SEugene Krasnikov 11358e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "mac sta remove vif %p sta %pM index %d\n", 11368e84c258SEugene Krasnikov vif, sta->addr, sta_priv->sta_index); 11378e84c258SEugene Krasnikov 113839efc7ccSBjorn Andersson mutex_lock(&wcn->conf_mutex); 113939efc7ccSBjorn Andersson 1140e3160542SLoic Poulain list_del(&sta_priv->list); 11418e84c258SEugene Krasnikov wcn36xx_smd_delete_sta(wcn, sta_priv->sta_index); 11428e84c258SEugene Krasnikov sta_priv->vif = NULL; 114339efc7ccSBjorn Andersson 114439efc7ccSBjorn Andersson mutex_unlock(&wcn->conf_mutex); 114539efc7ccSBjorn Andersson 11468e84c258SEugene Krasnikov return 0; 11478e84c258SEugene Krasnikov } 11488e84c258SEugene Krasnikov 11498e84c258SEugene Krasnikov #ifdef CONFIG_PM 11508e84c258SEugene Krasnikov 1151f2f49601SBryan O'Donoghue static struct ieee80211_vif *wcn36xx_get_first_assoc_vif(struct wcn36xx *wcn) 1152f2f49601SBryan O'Donoghue { 1153f2f49601SBryan O'Donoghue struct wcn36xx_vif *vif_priv = NULL; 1154f2f49601SBryan O'Donoghue struct ieee80211_vif *vif = NULL; 1155f2f49601SBryan O'Donoghue 1156f2f49601SBryan O'Donoghue list_for_each_entry(vif_priv, &wcn->vif_list, list) { 1157f2f49601SBryan O'Donoghue if (vif_priv->sta_assoc) { 1158f2f49601SBryan O'Donoghue vif = wcn36xx_priv_to_vif(vif_priv); 1159f2f49601SBryan O'Donoghue break; 1160f2f49601SBryan O'Donoghue } 1161f2f49601SBryan O'Donoghue } 1162f2f49601SBryan O'Donoghue return vif; 1163f2f49601SBryan O'Donoghue } 1164f2f49601SBryan O'Donoghue 11658e84c258SEugene Krasnikov static int wcn36xx_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wow) 11668e84c258SEugene Krasnikov { 11678e84c258SEugene Krasnikov struct wcn36xx *wcn = hw->priv; 1168f2f49601SBryan O'Donoghue struct ieee80211_vif *vif = NULL; 1169f2f49601SBryan O'Donoghue int ret = 0; 11708e84c258SEugene Krasnikov 11718e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "mac suspend\n"); 11728e84c258SEugene Krasnikov 1173f2f49601SBryan O'Donoghue mutex_lock(&wcn->conf_mutex); 1174ba4e9673SBryan O'Donoghue 11755478c41fSBryan O'Donoghue vif = wcn36xx_get_first_assoc_vif(wcn); 11765478c41fSBryan O'Donoghue if (vif) { 11775478c41fSBryan O'Donoghue ret = wcn36xx_smd_arp_offload(wcn, vif, true); 11785478c41fSBryan O'Donoghue if (ret) 11795478c41fSBryan O'Donoghue goto out; 11801456223cSBryan O'Donoghue ret = wcn36xx_smd_ipv6_ns_offload(wcn, vif, true); 11811456223cSBryan O'Donoghue if (ret) 11821456223cSBryan O'Donoghue goto out; 11836693f767SBryan O'Donoghue ret = wcn36xx_smd_gtk_offload(wcn, vif, true); 11846693f767SBryan O'Donoghue if (ret) 11856693f767SBryan O'Donoghue goto out; 11865478c41fSBryan O'Donoghue ret = wcn36xx_smd_set_power_params(wcn, true); 118760f0078bSBryan O'Donoghue if (ret) 118860f0078bSBryan O'Donoghue goto out; 118960f0078bSBryan O'Donoghue ret = wcn36xx_smd_wlan_host_suspend_ind(wcn); 11905478c41fSBryan O'Donoghue } 1191df069780SLoic Poulain 1192df069780SLoic Poulain /* Disable IRQ, we don't want to handle any packet before mac80211 is 1193df069780SLoic Poulain * resumed and ready to receive packets. 1194df069780SLoic Poulain */ 1195df069780SLoic Poulain disable_irq(wcn->tx_irq); 1196df069780SLoic Poulain disable_irq(wcn->rx_irq); 1197df069780SLoic Poulain 11985478c41fSBryan O'Donoghue out: 11995478c41fSBryan O'Donoghue mutex_unlock(&wcn->conf_mutex); 1200ba4e9673SBryan O'Donoghue return ret; 12018e84c258SEugene Krasnikov } 12028e84c258SEugene Krasnikov 12038e84c258SEugene Krasnikov static int wcn36xx_resume(struct ieee80211_hw *hw) 12048e84c258SEugene Krasnikov { 12058e84c258SEugene Krasnikov struct wcn36xx *wcn = hw->priv; 1206f2f49601SBryan O'Donoghue struct ieee80211_vif *vif = NULL; 12078e84c258SEugene Krasnikov 12088e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "mac resume\n"); 12098e84c258SEugene Krasnikov 1210f2f49601SBryan O'Donoghue mutex_lock(&wcn->conf_mutex); 1211f2f49601SBryan O'Donoghue vif = wcn36xx_get_first_assoc_vif(wcn); 12125478c41fSBryan O'Donoghue if (vif) { 1213ebe7c1a6SBryan O'Donoghue wcn36xx_smd_host_resume(wcn); 12148e84c258SEugene Krasnikov wcn36xx_smd_set_power_params(wcn, false); 1215bedf1169SBryan O'Donoghue wcn36xx_smd_gtk_offload_get_info(wcn, vif); 12166693f767SBryan O'Donoghue wcn36xx_smd_gtk_offload(wcn, vif, false); 12171456223cSBryan O'Donoghue wcn36xx_smd_ipv6_ns_offload(wcn, vif, false); 12185478c41fSBryan O'Donoghue wcn36xx_smd_arp_offload(wcn, vif, false); 12195478c41fSBryan O'Donoghue } 1220df069780SLoic Poulain 1221df069780SLoic Poulain enable_irq(wcn->tx_irq); 1222df069780SLoic Poulain enable_irq(wcn->rx_irq); 1223df069780SLoic Poulain 1224f2f49601SBryan O'Donoghue mutex_unlock(&wcn->conf_mutex); 1225f2f49601SBryan O'Donoghue 12268e84c258SEugene Krasnikov return 0; 12278e84c258SEugene Krasnikov } 12288e84c258SEugene Krasnikov 12298974e591SBryan O'Donoghue static void wcn36xx_set_rekey_data(struct ieee80211_hw *hw, 12308974e591SBryan O'Donoghue struct ieee80211_vif *vif, 12318974e591SBryan O'Donoghue struct cfg80211_gtk_rekey_data *data) 12328974e591SBryan O'Donoghue { 12338974e591SBryan O'Donoghue struct wcn36xx *wcn = hw->priv; 12348974e591SBryan O'Donoghue struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif); 12358974e591SBryan O'Donoghue 12368974e591SBryan O'Donoghue mutex_lock(&wcn->conf_mutex); 12378974e591SBryan O'Donoghue 12388974e591SBryan O'Donoghue memcpy(vif_priv->rekey_data.kek, data->kek, NL80211_KEK_LEN); 12398974e591SBryan O'Donoghue memcpy(vif_priv->rekey_data.kck, data->kck, NL80211_KCK_LEN); 12408974e591SBryan O'Donoghue vif_priv->rekey_data.replay_ctr = 12418974e591SBryan O'Donoghue cpu_to_le64(be64_to_cpup((__be64 *)data->replay_ctr)); 12428974e591SBryan O'Donoghue vif_priv->rekey_data.valid = true; 12438974e591SBryan O'Donoghue 12448974e591SBryan O'Donoghue mutex_unlock(&wcn->conf_mutex); 12458974e591SBryan O'Donoghue } 12468974e591SBryan O'Donoghue 12478e84c258SEugene Krasnikov #endif 12488e84c258SEugene Krasnikov 12498e84c258SEugene Krasnikov static int wcn36xx_ampdu_action(struct ieee80211_hw *hw, 12508e84c258SEugene Krasnikov struct ieee80211_vif *vif, 125150ea05efSSara Sharon struct ieee80211_ampdu_params *params) 12528e84c258SEugene Krasnikov { 12538e84c258SEugene Krasnikov struct wcn36xx *wcn = hw->priv; 1254a92e4696SPontus Fuchs struct wcn36xx_sta *sta_priv = wcn36xx_sta_to_priv(params->sta); 125550ea05efSSara Sharon struct ieee80211_sta *sta = params->sta; 125650ea05efSSara Sharon enum ieee80211_ampdu_mlme_action action = params->action; 125750ea05efSSara Sharon u16 tid = params->tid; 125850ea05efSSara Sharon u16 *ssn = ¶ms->ssn; 12592ce113deSJohannes Berg int ret = 0; 126023cddeb5SLoic Poulain int session; 12618e84c258SEugene Krasnikov 12628e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "mac ampdu action action %d tid %d\n", 12638e84c258SEugene Krasnikov action, tid); 12648e84c258SEugene Krasnikov 126539efc7ccSBjorn Andersson mutex_lock(&wcn->conf_mutex); 126639efc7ccSBjorn Andersson 12678e84c258SEugene Krasnikov switch (action) { 12688e84c258SEugene Krasnikov case IEEE80211_AMPDU_RX_START: 12698e84c258SEugene Krasnikov sta_priv->tid = tid; 1270ffe835aaSLoic Poulain session = wcn36xx_smd_add_ba_session(wcn, sta, tid, ssn, 0, 12718e84c258SEugene Krasnikov get_sta_index(vif, sta_priv)); 127223cddeb5SLoic Poulain if (session < 0) { 127323cddeb5SLoic Poulain ret = session; 127423cddeb5SLoic Poulain goto out; 127523cddeb5SLoic Poulain } 1276ffe835aaSLoic Poulain wcn36xx_smd_add_ba(wcn, session); 12778e84c258SEugene Krasnikov break; 12788e84c258SEugene Krasnikov case IEEE80211_AMPDU_RX_STOP: 127984da2a84SLoic Poulain wcn36xx_smd_del_ba(wcn, tid, 0, get_sta_index(vif, sta_priv)); 12808e84c258SEugene Krasnikov break; 12818e84c258SEugene Krasnikov case IEEE80211_AMPDU_TX_START: 1282e26dc173SBob Copeland spin_lock_bh(&sta_priv->ampdu_lock); 1283e26dc173SBob Copeland sta_priv->ampdu_state[tid] = WCN36XX_AMPDU_START; 1284e26dc173SBob Copeland spin_unlock_bh(&sta_priv->ampdu_lock); 1285e26dc173SBob Copeland 128623cddeb5SLoic Poulain /* Replace the mac80211 ssn with the firmware one */ 128723cddeb5SLoic Poulain wcn36xx_dbg(WCN36XX_DBG_MAC, "mac ampdu ssn = %u\n", *ssn); 128823cddeb5SLoic Poulain wcn36xx_smd_trigger_ba(wcn, get_sta_index(vif, sta_priv), tid, ssn); 128923cddeb5SLoic Poulain wcn36xx_dbg(WCN36XX_DBG_MAC, "mac ampdu fw-ssn = %u\n", *ssn); 129023cddeb5SLoic Poulain 129123cddeb5SLoic Poulain /* Start BA session */ 129223cddeb5SLoic Poulain session = wcn36xx_smd_add_ba_session(wcn, sta, tid, ssn, 1, 129323cddeb5SLoic Poulain get_sta_index(vif, sta_priv)); 129423cddeb5SLoic Poulain if (session < 0) { 129523cddeb5SLoic Poulain ret = session; 129623cddeb5SLoic Poulain goto out; 129723cddeb5SLoic Poulain } 12982ce113deSJohannes Berg ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; 12998e84c258SEugene Krasnikov break; 13008e84c258SEugene Krasnikov case IEEE80211_AMPDU_TX_OPERATIONAL: 1301e26dc173SBob Copeland spin_lock_bh(&sta_priv->ampdu_lock); 1302e26dc173SBob Copeland sta_priv->ampdu_state[tid] = WCN36XX_AMPDU_OPERATIONAL; 1303e26dc173SBob Copeland spin_unlock_bh(&sta_priv->ampdu_lock); 1304e26dc173SBob Copeland 13058e84c258SEugene Krasnikov break; 13068e84c258SEugene Krasnikov case IEEE80211_AMPDU_TX_STOP_FLUSH: 13078e84c258SEugene Krasnikov case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 13088e84c258SEugene Krasnikov case IEEE80211_AMPDU_TX_STOP_CONT: 1309e26dc173SBob Copeland spin_lock_bh(&sta_priv->ampdu_lock); 1310e26dc173SBob Copeland sta_priv->ampdu_state[tid] = WCN36XX_AMPDU_NONE; 1311e26dc173SBob Copeland spin_unlock_bh(&sta_priv->ampdu_lock); 1312e26dc173SBob Copeland 131384da2a84SLoic Poulain wcn36xx_smd_del_ba(wcn, tid, 1, get_sta_index(vif, sta_priv)); 13148e84c258SEugene Krasnikov ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 13158e84c258SEugene Krasnikov break; 13168e84c258SEugene Krasnikov default: 13178e84c258SEugene Krasnikov wcn36xx_err("Unknown AMPDU action\n"); 13188e84c258SEugene Krasnikov } 13198e84c258SEugene Krasnikov 132023cddeb5SLoic Poulain out: 132139efc7ccSBjorn Andersson mutex_unlock(&wcn->conf_mutex); 132239efc7ccSBjorn Andersson 13232ce113deSJohannes Berg return ret; 13248e84c258SEugene Krasnikov } 13258e84c258SEugene Krasnikov 1326c7a61af5SBryan O'Donoghue #if IS_ENABLED(CONFIG_IPV6) 1327c7a61af5SBryan O'Donoghue static void wcn36xx_ipv6_addr_change(struct ieee80211_hw *hw, 1328c7a61af5SBryan O'Donoghue struct ieee80211_vif *vif, 1329c7a61af5SBryan O'Donoghue struct inet6_dev *idev) 1330c7a61af5SBryan O'Donoghue { 1331c7a61af5SBryan O'Donoghue struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif); 1332c7a61af5SBryan O'Donoghue struct inet6_ifaddr *ifa; 1333c7a61af5SBryan O'Donoghue int idx = 0; 1334c7a61af5SBryan O'Donoghue 1335c7a61af5SBryan O'Donoghue memset(vif_priv->tentative_addrs, 0, sizeof(vif_priv->tentative_addrs)); 1336c7a61af5SBryan O'Donoghue 1337c7a61af5SBryan O'Donoghue read_lock_bh(&idev->lock); 1338c7a61af5SBryan O'Donoghue list_for_each_entry(ifa, &idev->addr_list, if_list) { 1339c7a61af5SBryan O'Donoghue vif_priv->target_ipv6_addrs[idx] = ifa->addr; 1340c7a61af5SBryan O'Donoghue if (ifa->flags & IFA_F_TENTATIVE) 1341c7a61af5SBryan O'Donoghue __set_bit(idx, vif_priv->tentative_addrs); 1342c7a61af5SBryan O'Donoghue idx++; 1343c7a61af5SBryan O'Donoghue if (idx >= WCN36XX_HAL_IPV6_OFFLOAD_ADDR_MAX) 1344c7a61af5SBryan O'Donoghue break; 1345c7a61af5SBryan O'Donoghue wcn36xx_dbg(WCN36XX_DBG_MAC, "%pI6 %s\n", &ifa->addr, 1346c7a61af5SBryan O'Donoghue (ifa->flags & IFA_F_TENTATIVE) ? "tentative" : NULL); 1347c7a61af5SBryan O'Donoghue } 1348c7a61af5SBryan O'Donoghue read_unlock_bh(&idev->lock); 1349c7a61af5SBryan O'Donoghue 1350c7a61af5SBryan O'Donoghue vif_priv->num_target_ipv6_addrs = idx; 1351c7a61af5SBryan O'Donoghue } 1352c7a61af5SBryan O'Donoghue #endif 1353c7a61af5SBryan O'Donoghue 1354f02e1cc2SBenjamin Li static void wcn36xx_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1355f02e1cc2SBenjamin Li u32 queues, bool drop) 1356f02e1cc2SBenjamin Li { 1357f02e1cc2SBenjamin Li struct wcn36xx *wcn = hw->priv; 1358f02e1cc2SBenjamin Li 1359f02e1cc2SBenjamin Li if (wcn36xx_dxe_tx_flush(wcn)) { 1360f02e1cc2SBenjamin Li wcn36xx_err("Failed to flush hardware tx queues\n"); 1361f02e1cc2SBenjamin Li } 1362f02e1cc2SBenjamin Li } 1363f02e1cc2SBenjamin Li 136451395cf2SBryan O'Donoghue static int wcn36xx_get_survey(struct ieee80211_hw *hw, int idx, 136551395cf2SBryan O'Donoghue struct survey_info *survey) 136651395cf2SBryan O'Donoghue { 136751395cf2SBryan O'Donoghue struct wcn36xx *wcn = hw->priv; 136851395cf2SBryan O'Donoghue struct ieee80211_supported_band *sband; 136951395cf2SBryan O'Donoghue struct wcn36xx_chan_survey *chan_survey; 137051395cf2SBryan O'Donoghue int band_idx; 137151395cf2SBryan O'Donoghue unsigned long flags; 137251395cf2SBryan O'Donoghue 137351395cf2SBryan O'Donoghue sband = wcn->hw->wiphy->bands[NL80211_BAND_2GHZ]; 137451395cf2SBryan O'Donoghue band_idx = idx; 137551395cf2SBryan O'Donoghue if (band_idx >= sband->n_channels) { 137651395cf2SBryan O'Donoghue band_idx -= sband->n_channels; 137751395cf2SBryan O'Donoghue sband = wcn->hw->wiphy->bands[NL80211_BAND_5GHZ]; 137851395cf2SBryan O'Donoghue } 137951395cf2SBryan O'Donoghue 138051395cf2SBryan O'Donoghue if (!sband || band_idx >= sband->n_channels) 138151395cf2SBryan O'Donoghue return -ENOENT; 138251395cf2SBryan O'Donoghue 138351395cf2SBryan O'Donoghue spin_lock_irqsave(&wcn->survey_lock, flags); 138451395cf2SBryan O'Donoghue 138551395cf2SBryan O'Donoghue chan_survey = &wcn->chan_survey[idx]; 138651395cf2SBryan O'Donoghue survey->channel = &sband->channels[band_idx]; 138751395cf2SBryan O'Donoghue survey->noise = chan_survey->rssi - chan_survey->snr; 138851395cf2SBryan O'Donoghue survey->filled = 0; 138951395cf2SBryan O'Donoghue 139051395cf2SBryan O'Donoghue if (chan_survey->rssi > -100 && chan_survey->rssi < 0) 139151395cf2SBryan O'Donoghue survey->filled |= SURVEY_INFO_NOISE_DBM; 139251395cf2SBryan O'Donoghue 139351395cf2SBryan O'Donoghue if (survey->channel == wcn->channel) 139451395cf2SBryan O'Donoghue survey->filled |= SURVEY_INFO_IN_USE; 139551395cf2SBryan O'Donoghue 139651395cf2SBryan O'Donoghue spin_unlock_irqrestore(&wcn->survey_lock, flags); 139751395cf2SBryan O'Donoghue 139851395cf2SBryan O'Donoghue wcn36xx_dbg(WCN36XX_DBG_MAC, 139951395cf2SBryan O'Donoghue "ch %d rssi %d snr %d noise %d filled %x freq %d\n", 140051395cf2SBryan O'Donoghue HW_VALUE_CHANNEL(survey->channel->hw_value), 140151395cf2SBryan O'Donoghue chan_survey->rssi, chan_survey->snr, survey->noise, 140251395cf2SBryan O'Donoghue survey->filled, survey->channel->center_freq); 140351395cf2SBryan O'Donoghue 140451395cf2SBryan O'Donoghue return 0; 140551395cf2SBryan O'Donoghue } 140651395cf2SBryan O'Donoghue 14071216c4d3SEdmond Gagnon static void wcn36xx_sta_statistics(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 14081216c4d3SEdmond Gagnon struct ieee80211_sta *sta, struct station_info *sinfo) 14091216c4d3SEdmond Gagnon { 14101216c4d3SEdmond Gagnon struct wcn36xx *wcn; 14111216c4d3SEdmond Gagnon u8 sta_index; 14121216c4d3SEdmond Gagnon int status; 14131216c4d3SEdmond Gagnon 14141216c4d3SEdmond Gagnon wcn = hw->priv; 14151216c4d3SEdmond Gagnon sta_index = get_sta_index(vif, wcn36xx_sta_to_priv(sta)); 14161216c4d3SEdmond Gagnon status = wcn36xx_smd_get_stats(wcn, sta_index, HAL_GLOBAL_CLASS_A_STATS_INFO, sinfo); 14171216c4d3SEdmond Gagnon 14181216c4d3SEdmond Gagnon if (status) 14191216c4d3SEdmond Gagnon wcn36xx_err("wcn36xx_smd_get_stats failed\n"); 14201216c4d3SEdmond Gagnon } 14211216c4d3SEdmond Gagnon 14228e84c258SEugene Krasnikov static const struct ieee80211_ops wcn36xx_ops = { 14238e84c258SEugene Krasnikov .start = wcn36xx_start, 14248e84c258SEugene Krasnikov .stop = wcn36xx_stop, 14258e84c258SEugene Krasnikov .add_interface = wcn36xx_add_interface, 14268e84c258SEugene Krasnikov .remove_interface = wcn36xx_remove_interface, 14278e84c258SEugene Krasnikov #ifdef CONFIG_PM 14288e84c258SEugene Krasnikov .suspend = wcn36xx_suspend, 14298e84c258SEugene Krasnikov .resume = wcn36xx_resume, 14308974e591SBryan O'Donoghue .set_rekey_data = wcn36xx_set_rekey_data, 14318e84c258SEugene Krasnikov #endif 14328e84c258SEugene Krasnikov .config = wcn36xx_config, 143320a779edSPontus Fuchs .prepare_multicast = wcn36xx_prepare_multicast, 14348e84c258SEugene Krasnikov .configure_filter = wcn36xx_configure_filter, 14358e84c258SEugene Krasnikov .tx = wcn36xx_tx, 14368e84c258SEugene Krasnikov .set_key = wcn36xx_set_key, 143788603903SBjorn Andersson .hw_scan = wcn36xx_hw_scan, 143803c95dbeSBjorn Andersson .cancel_hw_scan = wcn36xx_cancel_hw_scan, 14395973a294SLoic Poulain .sw_scan_start = wcn36xx_sw_scan_start, 14405973a294SLoic Poulain .sw_scan_complete = wcn36xx_sw_scan_complete, 14418e84c258SEugene Krasnikov .bss_info_changed = wcn36xx_bss_info_changed, 14428e84c258SEugene Krasnikov .set_rts_threshold = wcn36xx_set_rts_threshold, 14438e84c258SEugene Krasnikov .sta_add = wcn36xx_sta_add, 14448e84c258SEugene Krasnikov .sta_remove = wcn36xx_sta_remove, 14451216c4d3SEdmond Gagnon .sta_statistics = wcn36xx_sta_statistics, 14468e84c258SEugene Krasnikov .ampdu_action = wcn36xx_ampdu_action, 1447c7a61af5SBryan O'Donoghue #if IS_ENABLED(CONFIG_IPV6) 1448c7a61af5SBryan O'Donoghue .ipv6_addr_change = wcn36xx_ipv6_addr_change, 1449c7a61af5SBryan O'Donoghue #endif 1450f02e1cc2SBenjamin Li .flush = wcn36xx_flush, 145151395cf2SBryan O'Donoghue .get_survey = wcn36xx_get_survey, 145287f825e6SEyal Ilsar 145387f825e6SEyal Ilsar CFG80211_TESTMODE_CMD(wcn36xx_tm_cmd) 14548e84c258SEugene Krasnikov }; 14558e84c258SEugene Krasnikov 1456b421d04eSBryan O'Donoghue static void 1457b421d04eSBryan O'Donoghue wcn36xx_set_ieee80211_vht_caps(struct ieee80211_sta_vht_cap *vht_cap) 1458b421d04eSBryan O'Donoghue { 1459b421d04eSBryan O'Donoghue vht_cap->vht_supported = true; 1460b421d04eSBryan O'Donoghue 1461b421d04eSBryan O'Donoghue vht_cap->cap = (IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 | 1462b421d04eSBryan O'Donoghue IEEE80211_VHT_CAP_SHORT_GI_80 | 1463b421d04eSBryan O'Donoghue IEEE80211_VHT_CAP_RXSTBC_1 | 1464b421d04eSBryan O'Donoghue IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE | 1465b421d04eSBryan O'Donoghue IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE | 1466b421d04eSBryan O'Donoghue 3 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT | 1467b421d04eSBryan O'Donoghue 7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT); 1468b421d04eSBryan O'Donoghue 1469b421d04eSBryan O'Donoghue vht_cap->vht_mcs.rx_mcs_map = 1470b421d04eSBryan O'Donoghue cpu_to_le16(IEEE80211_VHT_MCS_SUPPORT_0_9 | 1471b421d04eSBryan O'Donoghue IEEE80211_VHT_MCS_NOT_SUPPORTED << 2 | 1472b421d04eSBryan O'Donoghue IEEE80211_VHT_MCS_NOT_SUPPORTED << 4 | 1473b421d04eSBryan O'Donoghue IEEE80211_VHT_MCS_NOT_SUPPORTED << 6 | 1474b421d04eSBryan O'Donoghue IEEE80211_VHT_MCS_NOT_SUPPORTED << 8 | 1475b421d04eSBryan O'Donoghue IEEE80211_VHT_MCS_NOT_SUPPORTED << 10 | 1476b421d04eSBryan O'Donoghue IEEE80211_VHT_MCS_NOT_SUPPORTED << 12 | 1477b421d04eSBryan O'Donoghue IEEE80211_VHT_MCS_NOT_SUPPORTED << 14); 1478b421d04eSBryan O'Donoghue 1479b421d04eSBryan O'Donoghue vht_cap->vht_mcs.rx_highest = cpu_to_le16(433); 1480b421d04eSBryan O'Donoghue vht_cap->vht_mcs.tx_highest = vht_cap->vht_mcs.rx_highest; 1481b421d04eSBryan O'Donoghue 1482b421d04eSBryan O'Donoghue vht_cap->vht_mcs.tx_mcs_map = vht_cap->vht_mcs.rx_mcs_map; 1483b421d04eSBryan O'Donoghue } 1484b421d04eSBryan O'Donoghue 14858e84c258SEugene Krasnikov static int wcn36xx_init_ieee80211(struct wcn36xx *wcn) 14868e84c258SEugene Krasnikov { 14878e84c258SEugene Krasnikov static const u32 cipher_suites[] = { 14888e84c258SEugene Krasnikov WLAN_CIPHER_SUITE_WEP40, 14898e84c258SEugene Krasnikov WLAN_CIPHER_SUITE_WEP104, 14908e84c258SEugene Krasnikov WLAN_CIPHER_SUITE_TKIP, 14918e84c258SEugene Krasnikov WLAN_CIPHER_SUITE_CCMP, 14928e84c258SEugene Krasnikov }; 14938e84c258SEugene Krasnikov 149430686bf7SJohannes Berg ieee80211_hw_set(wcn->hw, TIMING_BEACON_ONLY); 149530686bf7SJohannes Berg ieee80211_hw_set(wcn->hw, AMPDU_AGGREGATION); 149630686bf7SJohannes Berg ieee80211_hw_set(wcn->hw, SUPPORTS_PS); 149730686bf7SJohannes Berg ieee80211_hw_set(wcn->hw, SIGNAL_DBM); 149830686bf7SJohannes Berg ieee80211_hw_set(wcn->hw, HAS_RATE_CONTROL); 149988603903SBjorn Andersson ieee80211_hw_set(wcn->hw, SINGLE_SCAN_ON_ALL_BANDS); 1500fdf21cc3SLoic Poulain ieee80211_hw_set(wcn->hw, REPORTS_TX_ACK_STATUS); 15018e84c258SEugene Krasnikov 15028e84c258SEugene Krasnikov wcn->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 15038e84c258SEugene Krasnikov BIT(NL80211_IFTYPE_AP) | 15048e84c258SEugene Krasnikov BIT(NL80211_IFTYPE_ADHOC) | 15058e84c258SEugene Krasnikov BIT(NL80211_IFTYPE_MESH_POINT); 15068e84c258SEugene Krasnikov 150757fbcce3SJohannes Berg wcn->hw->wiphy->bands[NL80211_BAND_2GHZ] = &wcn_band_2ghz; 1508fd52bdaeSLoic Poulain if (wcn->rf_id != RF_IRIS_WCN3620) 150957fbcce3SJohannes Berg wcn->hw->wiphy->bands[NL80211_BAND_5GHZ] = &wcn_band_5ghz; 15108e84c258SEugene Krasnikov 1511b421d04eSBryan O'Donoghue if (wcn->rf_id == RF_IRIS_WCN3680) 1512b421d04eSBryan O'Donoghue wcn36xx_set_ieee80211_vht_caps(&wcn_band_5ghz.vht_cap); 1513b421d04eSBryan O'Donoghue 151488603903SBjorn Andersson wcn->hw->wiphy->max_scan_ssids = WCN36XX_MAX_SCAN_SSIDS; 151588603903SBjorn Andersson wcn->hw->wiphy->max_scan_ie_len = WCN36XX_MAX_SCAN_IE_LEN; 151688603903SBjorn Andersson 15178e84c258SEugene Krasnikov wcn->hw->wiphy->cipher_suites = cipher_suites; 15188e84c258SEugene Krasnikov wcn->hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); 15198e84c258SEugene Krasnikov 15208e84c258SEugene Krasnikov #ifdef CONFIG_PM 15218e84c258SEugene Krasnikov wcn->hw->wiphy->wowlan = &wowlan_support; 15228e84c258SEugene Krasnikov #endif 15238e84c258SEugene Krasnikov 15248e84c258SEugene Krasnikov wcn->hw->max_listen_interval = 200; 15258e84c258SEugene Krasnikov 15268e84c258SEugene Krasnikov wcn->hw->queues = 4; 15278e84c258SEugene Krasnikov 15288e84c258SEugene Krasnikov SET_IEEE80211_DEV(wcn->hw, wcn->dev); 15298e84c258SEugene Krasnikov 15308e84c258SEugene Krasnikov wcn->hw->sta_data_size = sizeof(struct wcn36xx_sta); 15318e84c258SEugene Krasnikov wcn->hw->vif_data_size = sizeof(struct wcn36xx_vif); 15328e84c258SEugene Krasnikov 1533ae44b502SAndrew Zaborowski wiphy_ext_feature_set(wcn->hw->wiphy, 1534ae44b502SAndrew Zaborowski NL80211_EXT_FEATURE_CQM_RSSI_LIST); 1535ae44b502SAndrew Zaborowski 1536f0eea277SDaniel Mack return 0; 15378e84c258SEugene Krasnikov } 15388e84c258SEugene Krasnikov 15398e84c258SEugene Krasnikov static int wcn36xx_platform_get_resources(struct wcn36xx *wcn, 15408e84c258SEugene Krasnikov struct platform_device *pdev) 15418e84c258SEugene Krasnikov { 154205ddce49SBjorn Andersson struct device_node *mmio_node; 1543fd52bdaeSLoic Poulain struct device_node *iris_node; 154405ddce49SBjorn Andersson int index; 154505ddce49SBjorn Andersson int ret; 154605ddce49SBjorn Andersson 15478e84c258SEugene Krasnikov /* Set TX IRQ */ 1548d17efe4fSLad Prabhakar ret = platform_get_irq_byname(pdev, "tx"); 1549d17efe4fSLad Prabhakar if (ret < 0) 1550d17efe4fSLad Prabhakar return ret; 1551d17efe4fSLad Prabhakar wcn->tx_irq = ret; 15528e84c258SEugene Krasnikov 15538e84c258SEugene Krasnikov /* Set RX IRQ */ 1554d17efe4fSLad Prabhakar ret = platform_get_irq_byname(pdev, "rx"); 1555d17efe4fSLad Prabhakar if (ret < 0) 1556d17efe4fSLad Prabhakar return ret; 1557d17efe4fSLad Prabhakar wcn->rx_irq = ret; 15588e84c258SEugene Krasnikov 1559f303a931SBjorn Andersson /* Acquire SMSM tx enable handle */ 1560f303a931SBjorn Andersson wcn->tx_enable_state = qcom_smem_state_get(&pdev->dev, 1561f303a931SBjorn Andersson "tx-enable", &wcn->tx_enable_state_bit); 1562f303a931SBjorn Andersson if (IS_ERR(wcn->tx_enable_state)) { 1563f303a931SBjorn Andersson wcn36xx_err("failed to get tx-enable state\n"); 1564f303a931SBjorn Andersson return PTR_ERR(wcn->tx_enable_state); 1565f303a931SBjorn Andersson } 1566f303a931SBjorn Andersson 1567f303a931SBjorn Andersson /* Acquire SMSM tx rings empty handle */ 1568f303a931SBjorn Andersson wcn->tx_rings_empty_state = qcom_smem_state_get(&pdev->dev, 1569f303a931SBjorn Andersson "tx-rings-empty", &wcn->tx_rings_empty_state_bit); 1570f303a931SBjorn Andersson if (IS_ERR(wcn->tx_rings_empty_state)) { 1571f303a931SBjorn Andersson wcn36xx_err("failed to get tx-rings-empty state\n"); 1572f303a931SBjorn Andersson return PTR_ERR(wcn->tx_rings_empty_state); 1573f303a931SBjorn Andersson } 1574f303a931SBjorn Andersson 157505ddce49SBjorn Andersson mmio_node = of_parse_phandle(pdev->dev.parent->of_node, "qcom,mmio", 0); 157605ddce49SBjorn Andersson if (!mmio_node) { 157705ddce49SBjorn Andersson wcn36xx_err("failed to acquire qcom,mmio reference\n"); 157805ddce49SBjorn Andersson return -EINVAL; 15798e84c258SEugene Krasnikov } 158005ddce49SBjorn Andersson 15816f10b4e1SBjorn Andersson wcn->is_pronto = !!of_device_is_compatible(mmio_node, "qcom,pronto"); 15826f10b4e1SBjorn Andersson 158305ddce49SBjorn Andersson /* Map the CCU memory */ 158405ddce49SBjorn Andersson index = of_property_match_string(mmio_node, "reg-names", "ccu"); 158505ddce49SBjorn Andersson wcn->ccu_base = of_iomap(mmio_node, index); 158605ddce49SBjorn Andersson if (!wcn->ccu_base) { 158705ddce49SBjorn Andersson wcn36xx_err("failed to map ccu memory\n"); 158805ddce49SBjorn Andersson ret = -ENOMEM; 158905ddce49SBjorn Andersson goto put_mmio_node; 15908e84c258SEugene Krasnikov } 159105ddce49SBjorn Andersson 159205ddce49SBjorn Andersson /* Map the DXE memory */ 159305ddce49SBjorn Andersson index = of_property_match_string(mmio_node, "reg-names", "dxe"); 159405ddce49SBjorn Andersson wcn->dxe_base = of_iomap(mmio_node, index); 159505ddce49SBjorn Andersson if (!wcn->dxe_base) { 159605ddce49SBjorn Andersson wcn36xx_err("failed to map dxe memory\n"); 159705ddce49SBjorn Andersson ret = -ENOMEM; 159805ddce49SBjorn Andersson goto unmap_ccu; 159905ddce49SBjorn Andersson } 160005ddce49SBjorn Andersson 1601fd52bdaeSLoic Poulain /* External RF module */ 16021967c128SJohan Hovold iris_node = of_get_child_by_name(mmio_node, "iris"); 1603fd52bdaeSLoic Poulain if (iris_node) { 1604fd52bdaeSLoic Poulain if (of_device_is_compatible(iris_node, "qcom,wcn3620")) 1605fd52bdaeSLoic Poulain wcn->rf_id = RF_IRIS_WCN3620; 160698d504a8SBryan O'Donoghue if (of_device_is_compatible(iris_node, "qcom,wcn3660") || 160798d504a8SBryan O'Donoghue of_device_is_compatible(iris_node, "qcom,wcn3660b")) 160898d504a8SBryan O'Donoghue wcn->rf_id = RF_IRIS_WCN3660; 16098490987bSBryan O'Donoghue if (of_device_is_compatible(iris_node, "qcom,wcn3680")) 16108490987bSBryan O'Donoghue wcn->rf_id = RF_IRIS_WCN3680; 1611fd52bdaeSLoic Poulain of_node_put(iris_node); 1612fd52bdaeSLoic Poulain } 1613fd52bdaeSLoic Poulain 161405ddce49SBjorn Andersson of_node_put(mmio_node); 16158e84c258SEugene Krasnikov return 0; 161605ddce49SBjorn Andersson 161705ddce49SBjorn Andersson unmap_ccu: 161805ddce49SBjorn Andersson iounmap(wcn->ccu_base); 161905ddce49SBjorn Andersson put_mmio_node: 162005ddce49SBjorn Andersson of_node_put(mmio_node); 162105ddce49SBjorn Andersson return ret; 16228e84c258SEugene Krasnikov } 16238e84c258SEugene Krasnikov 16248e84c258SEugene Krasnikov static int wcn36xx_probe(struct platform_device *pdev) 16258e84c258SEugene Krasnikov { 16268e84c258SEugene Krasnikov struct ieee80211_hw *hw; 16278e84c258SEugene Krasnikov struct wcn36xx *wcn; 1628f303a931SBjorn Andersson void *wcnss; 16298e84c258SEugene Krasnikov int ret; 1630f303a931SBjorn Andersson const u8 *addr; 163129696e0aSBryan O'Donoghue int n_channels; 16328e84c258SEugene Krasnikov 16338e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "platform probe\n"); 16348e84c258SEugene Krasnikov 1635f303a931SBjorn Andersson wcnss = dev_get_drvdata(pdev->dev.parent); 1636f303a931SBjorn Andersson 16378e84c258SEugene Krasnikov hw = ieee80211_alloc_hw(sizeof(struct wcn36xx), &wcn36xx_ops); 16388e84c258SEugene Krasnikov if (!hw) { 16398e84c258SEugene Krasnikov wcn36xx_err("failed to alloc hw\n"); 16408e84c258SEugene Krasnikov ret = -ENOMEM; 16418e84c258SEugene Krasnikov goto out_err; 16428e84c258SEugene Krasnikov } 16438e84c258SEugene Krasnikov platform_set_drvdata(pdev, hw); 16448e84c258SEugene Krasnikov wcn = hw->priv; 16458e84c258SEugene Krasnikov wcn->hw = hw; 16468e84c258SEugene Krasnikov wcn->dev = &pdev->dev; 16476b8a127bSRamon Fried wcn->first_boot = true; 164839efc7ccSBjorn Andersson mutex_init(&wcn->conf_mutex); 16498e84c258SEugene Krasnikov mutex_init(&wcn->hal_mutex); 165088603903SBjorn Andersson mutex_init(&wcn->scan_lock); 1651a224b47aSLoic Poulain __skb_queue_head_init(&wcn->amsdu); 165288603903SBjorn Andersson 1653ef486675SBryan O'Donoghue wcn->hal_buf = devm_kmalloc(wcn->dev, WCN36XX_HAL_BUF_SIZE, GFP_KERNEL); 1654ef486675SBryan O'Donoghue if (!wcn->hal_buf) { 1655ef486675SBryan O'Donoghue ret = -ENOMEM; 1656ef486675SBryan O'Donoghue goto out_wq; 1657ef486675SBryan O'Donoghue } 1658ef486675SBryan O'Donoghue 165929696e0aSBryan O'Donoghue n_channels = wcn_band_2ghz.n_channels + wcn_band_5ghz.n_channels; 166029696e0aSBryan O'Donoghue wcn->chan_survey = devm_kmalloc(wcn->dev, n_channels, GFP_KERNEL); 166129696e0aSBryan O'Donoghue if (!wcn->chan_survey) { 166229696e0aSBryan O'Donoghue ret = -ENOMEM; 166329696e0aSBryan O'Donoghue goto out_wq; 166429696e0aSBryan O'Donoghue } 166529696e0aSBryan O'Donoghue 166657e06e0eSDaniel Mack ret = dma_set_mask_and_coherent(wcn->dev, DMA_BIT_MASK(32)); 166757e06e0eSDaniel Mack if (ret < 0) { 166857e06e0eSDaniel Mack wcn36xx_err("failed to set DMA mask: %d\n", ret); 166957e06e0eSDaniel Mack goto out_wq; 167057e06e0eSDaniel Mack } 167157e06e0eSDaniel Mack 1672b7f96d5cSBjorn Andersson wcn->nv_file = WLAN_NV_FILE; 1673b7f96d5cSBjorn Andersson ret = of_property_read_string(wcn->dev->parent->of_node, "firmware-name", &wcn->nv_file); 1674b7f96d5cSBjorn Andersson if (ret < 0 && ret != -EINVAL) { 1675b7f96d5cSBjorn Andersson wcn36xx_err("failed to read \"firmware-name\" property: %d\n", ret); 1676b7f96d5cSBjorn Andersson goto out_wq; 1677b7f96d5cSBjorn Andersson } 1678b7f96d5cSBjorn Andersson 16795052de8dSBjorn Andersson wcn->smd_channel = qcom_wcnss_open_channel(wcnss, "WLAN_CTRL", wcn36xx_smd_rsp_process, hw); 1680f303a931SBjorn Andersson if (IS_ERR(wcn->smd_channel)) { 1681f303a931SBjorn Andersson wcn36xx_err("failed to open WLAN_CTRL channel\n"); 1682f303a931SBjorn Andersson ret = PTR_ERR(wcn->smd_channel); 1683f303a931SBjorn Andersson goto out_wq; 1684f303a931SBjorn Andersson } 1685f303a931SBjorn Andersson 1686f303a931SBjorn Andersson addr = of_get_property(pdev->dev.of_node, "local-mac-address", &ret); 1687f303a931SBjorn Andersson if (addr && ret != ETH_ALEN) { 1688f303a931SBjorn Andersson wcn36xx_err("invalid local-mac-address\n"); 1689f303a931SBjorn Andersson ret = -EINVAL; 1690a86308fcSChristophe JAILLET goto out_destroy_ept; 1691f303a931SBjorn Andersson } else if (addr) { 16928e84c258SEugene Krasnikov wcn36xx_info("mac address: %pM\n", addr); 16938e84c258SEugene Krasnikov SET_IEEE80211_PERM_ADDR(wcn->hw, addr); 16948e84c258SEugene Krasnikov } 16958e84c258SEugene Krasnikov 16968e84c258SEugene Krasnikov ret = wcn36xx_platform_get_resources(wcn, pdev); 16978e84c258SEugene Krasnikov if (ret) 1698a86308fcSChristophe JAILLET goto out_destroy_ept; 16998e84c258SEugene Krasnikov 17008e84c258SEugene Krasnikov wcn36xx_init_ieee80211(wcn); 17018e84c258SEugene Krasnikov ret = ieee80211_register_hw(wcn->hw); 17028e84c258SEugene Krasnikov if (ret) 17038e84c258SEugene Krasnikov goto out_unmap; 17048e84c258SEugene Krasnikov 17058e84c258SEugene Krasnikov return 0; 17068e84c258SEugene Krasnikov 17078e84c258SEugene Krasnikov out_unmap: 170805ddce49SBjorn Andersson iounmap(wcn->ccu_base); 170905ddce49SBjorn Andersson iounmap(wcn->dxe_base); 1710a86308fcSChristophe JAILLET out_destroy_ept: 1711a86308fcSChristophe JAILLET rpmsg_destroy_ept(wcn->smd_channel); 17128e84c258SEugene Krasnikov out_wq: 17138e84c258SEugene Krasnikov ieee80211_free_hw(hw); 17148e84c258SEugene Krasnikov out_err: 17158e84c258SEugene Krasnikov return ret; 17168e84c258SEugene Krasnikov } 1717f303a931SBjorn Andersson 17188e84c258SEugene Krasnikov static int wcn36xx_remove(struct platform_device *pdev) 17198e84c258SEugene Krasnikov { 17208e84c258SEugene Krasnikov struct ieee80211_hw *hw = platform_get_drvdata(pdev); 17218e84c258SEugene Krasnikov struct wcn36xx *wcn = hw->priv; 17228e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "platform remove\n"); 17238e84c258SEugene Krasnikov 17244bda7fafSPontus Fuchs release_firmware(wcn->nv); 17258e84c258SEugene Krasnikov 17268e84c258SEugene Krasnikov ieee80211_unregister_hw(hw); 1727f303a931SBjorn Andersson 1728f303a931SBjorn Andersson qcom_smem_state_put(wcn->tx_enable_state); 1729f303a931SBjorn Andersson qcom_smem_state_put(wcn->tx_rings_empty_state); 1730f303a931SBjorn Andersson 1731efad8396SBjorn Andersson rpmsg_destroy_ept(wcn->smd_channel); 1732efad8396SBjorn Andersson 173305ddce49SBjorn Andersson iounmap(wcn->dxe_base); 173405ddce49SBjorn Andersson iounmap(wcn->ccu_base); 1735d5362888SBjorn Andersson 1736a224b47aSLoic Poulain __skb_queue_purge(&wcn->amsdu); 1737a224b47aSLoic Poulain 1738d5362888SBjorn Andersson mutex_destroy(&wcn->hal_mutex); 17398e84c258SEugene Krasnikov ieee80211_free_hw(hw); 17408e84c258SEugene Krasnikov 17418e84c258SEugene Krasnikov return 0; 17428e84c258SEugene Krasnikov } 1743f303a931SBjorn Andersson 1744f303a931SBjorn Andersson static const struct of_device_id wcn36xx_of_match[] = { 1745f303a931SBjorn Andersson { .compatible = "qcom,wcnss-wlan" }, 17468e84c258SEugene Krasnikov {} 17478e84c258SEugene Krasnikov }; 1748f303a931SBjorn Andersson MODULE_DEVICE_TABLE(of, wcn36xx_of_match); 17498e84c258SEugene Krasnikov 17508e84c258SEugene Krasnikov static struct platform_driver wcn36xx_driver = { 17518e84c258SEugene Krasnikov .probe = wcn36xx_probe, 17528e84c258SEugene Krasnikov .remove = wcn36xx_remove, 17538e84c258SEugene Krasnikov .driver = { 17548e84c258SEugene Krasnikov .name = "wcn36xx", 1755f303a931SBjorn Andersson .of_match_table = wcn36xx_of_match, 17568e84c258SEugene Krasnikov }, 17578e84c258SEugene Krasnikov }; 17588e84c258SEugene Krasnikov 1759f303a931SBjorn Andersson module_platform_driver(wcn36xx_driver); 17608e84c258SEugene Krasnikov 17618e84c258SEugene Krasnikov MODULE_LICENSE("Dual BSD/GPL"); 17628e84c258SEugene Krasnikov MODULE_AUTHOR("Eugene Krasnikov k.eugene.e@gmail.com"); 17638e84c258SEugene Krasnikov MODULE_FIRMWARE(WLAN_NV_FILE); 1764