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> 288e84c258SEugene Krasnikov #include "wcn36xx.h" 2987f825e6SEyal Ilsar #include "testmode.h" 308e84c258SEugene Krasnikov 318e84c258SEugene Krasnikov unsigned int wcn36xx_dbg_mask; 328e84c258SEugene Krasnikov module_param_named(debug_mask, wcn36xx_dbg_mask, uint, 0644); 338e84c258SEugene Krasnikov MODULE_PARM_DESC(debug_mask, "Debugging mask"); 348e84c258SEugene Krasnikov 358e84c258SEugene Krasnikov #define CHAN2G(_freq, _idx) { \ 3657fbcce3SJohannes Berg .band = NL80211_BAND_2GHZ, \ 378e84c258SEugene Krasnikov .center_freq = (_freq), \ 388e84c258SEugene Krasnikov .hw_value = (_idx), \ 398e84c258SEugene Krasnikov .max_power = 25, \ 408e84c258SEugene Krasnikov } 418e84c258SEugene Krasnikov 42fc4d4008SBryan O'Donoghue #define CHAN5G(_freq, _idx, _phy_val) { \ 4357fbcce3SJohannes Berg .band = NL80211_BAND_5GHZ, \ 448e84c258SEugene Krasnikov .center_freq = (_freq), \ 45fc4d4008SBryan O'Donoghue .hw_value = (_phy_val) << HW_VALUE_PHY_SHIFT | HW_VALUE_CHANNEL(_idx), \ 468e84c258SEugene Krasnikov .max_power = 25, \ 478e84c258SEugene Krasnikov } 488e84c258SEugene Krasnikov 498e84c258SEugene Krasnikov /* The wcn firmware expects channel values to matching 508e84c258SEugene Krasnikov * their mnemonic values. So use these for .hw_value. */ 518e84c258SEugene Krasnikov static struct ieee80211_channel wcn_2ghz_channels[] = { 528e84c258SEugene Krasnikov CHAN2G(2412, 1), /* Channel 1 */ 538e84c258SEugene Krasnikov CHAN2G(2417, 2), /* Channel 2 */ 548e84c258SEugene Krasnikov CHAN2G(2422, 3), /* Channel 3 */ 558e84c258SEugene Krasnikov CHAN2G(2427, 4), /* Channel 4 */ 568e84c258SEugene Krasnikov CHAN2G(2432, 5), /* Channel 5 */ 578e84c258SEugene Krasnikov CHAN2G(2437, 6), /* Channel 6 */ 588e84c258SEugene Krasnikov CHAN2G(2442, 7), /* Channel 7 */ 598e84c258SEugene Krasnikov CHAN2G(2447, 8), /* Channel 8 */ 608e84c258SEugene Krasnikov CHAN2G(2452, 9), /* Channel 9 */ 618e84c258SEugene Krasnikov CHAN2G(2457, 10), /* Channel 10 */ 628e84c258SEugene Krasnikov CHAN2G(2462, 11), /* Channel 11 */ 638e84c258SEugene Krasnikov CHAN2G(2467, 12), /* Channel 12 */ 648e84c258SEugene Krasnikov CHAN2G(2472, 13), /* Channel 13 */ 658e84c258SEugene Krasnikov CHAN2G(2484, 14) /* Channel 14 */ 668e84c258SEugene Krasnikov 678e84c258SEugene Krasnikov }; 688e84c258SEugene Krasnikov 698e84c258SEugene Krasnikov static struct ieee80211_channel wcn_5ghz_channels[] = { 70fc4d4008SBryan O'Donoghue CHAN5G(5180, 36, PHY_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_LOW), 71fc4d4008SBryan O'Donoghue CHAN5G(5200, 40, PHY_QUADRUPLE_CHANNEL_20MHZ_HIGH_40MHZ_LOW), 72fc4d4008SBryan O'Donoghue CHAN5G(5220, 44, PHY_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_HIGH), 73fc4d4008SBryan O'Donoghue CHAN5G(5240, 48, PHY_QUADRUPLE_CHANNEL_20MHZ_HIGH_40MHZ_HIGH), 74fc4d4008SBryan O'Donoghue CHAN5G(5260, 52, PHY_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_LOW), 75fc4d4008SBryan O'Donoghue CHAN5G(5280, 56, PHY_QUADRUPLE_CHANNEL_20MHZ_HIGH_40MHZ_LOW), 76fc4d4008SBryan O'Donoghue CHAN5G(5300, 60, PHY_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_HIGH), 77fc4d4008SBryan O'Donoghue CHAN5G(5320, 64, PHY_QUADRUPLE_CHANNEL_20MHZ_HIGH_40MHZ_HIGH), 78fc4d4008SBryan O'Donoghue CHAN5G(5500, 100, PHY_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_LOW), 79fc4d4008SBryan O'Donoghue CHAN5G(5520, 104, PHY_QUADRUPLE_CHANNEL_20MHZ_HIGH_40MHZ_LOW), 80fc4d4008SBryan O'Donoghue CHAN5G(5540, 108, PHY_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_HIGH), 81fc4d4008SBryan O'Donoghue CHAN5G(5560, 112, PHY_QUADRUPLE_CHANNEL_20MHZ_HIGH_40MHZ_HIGH), 82fc4d4008SBryan O'Donoghue CHAN5G(5580, 116, PHY_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_LOW), 83fc4d4008SBryan O'Donoghue CHAN5G(5600, 120, PHY_QUADRUPLE_CHANNEL_20MHZ_HIGH_40MHZ_LOW), 84fc4d4008SBryan O'Donoghue CHAN5G(5620, 124, PHY_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_HIGH), 85fc4d4008SBryan O'Donoghue CHAN5G(5640, 128, PHY_QUADRUPLE_CHANNEL_20MHZ_HIGH_40MHZ_HIGH), 86fc4d4008SBryan O'Donoghue CHAN5G(5660, 132, PHY_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_LOW), 87fc4d4008SBryan O'Donoghue CHAN5G(5700, 140, PHY_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_HIGH), 88fc4d4008SBryan O'Donoghue CHAN5G(5745, 149, PHY_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_LOW), 89fc4d4008SBryan O'Donoghue CHAN5G(5765, 153, PHY_QUADRUPLE_CHANNEL_20MHZ_HIGH_40MHZ_LOW), 90fc4d4008SBryan O'Donoghue CHAN5G(5785, 157, PHY_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_HIGH), 91fc4d4008SBryan O'Donoghue CHAN5G(5805, 161, PHY_QUADRUPLE_CHANNEL_20MHZ_HIGH_40MHZ_HIGH), 92fc4d4008SBryan O'Donoghue CHAN5G(5825, 165, 0) 938e84c258SEugene Krasnikov }; 948e84c258SEugene Krasnikov 958e84c258SEugene Krasnikov #define RATE(_bitrate, _hw_rate, _flags) { \ 968e84c258SEugene Krasnikov .bitrate = (_bitrate), \ 978e84c258SEugene Krasnikov .flags = (_flags), \ 988e84c258SEugene Krasnikov .hw_value = (_hw_rate), \ 998e84c258SEugene Krasnikov .hw_value_short = (_hw_rate) \ 1008e84c258SEugene Krasnikov } 1018e84c258SEugene Krasnikov 1028e84c258SEugene Krasnikov static struct ieee80211_rate wcn_2ghz_rates[] = { 1038e84c258SEugene Krasnikov RATE(10, HW_RATE_INDEX_1MBPS, 0), 1048e84c258SEugene Krasnikov RATE(20, HW_RATE_INDEX_2MBPS, IEEE80211_RATE_SHORT_PREAMBLE), 1058e84c258SEugene Krasnikov RATE(55, HW_RATE_INDEX_5_5MBPS, IEEE80211_RATE_SHORT_PREAMBLE), 1068e84c258SEugene Krasnikov RATE(110, HW_RATE_INDEX_11MBPS, IEEE80211_RATE_SHORT_PREAMBLE), 1078e84c258SEugene Krasnikov RATE(60, HW_RATE_INDEX_6MBPS, 0), 1088e84c258SEugene Krasnikov RATE(90, HW_RATE_INDEX_9MBPS, 0), 1098e84c258SEugene Krasnikov RATE(120, HW_RATE_INDEX_12MBPS, 0), 1108e84c258SEugene Krasnikov RATE(180, HW_RATE_INDEX_18MBPS, 0), 1118e84c258SEugene Krasnikov RATE(240, HW_RATE_INDEX_24MBPS, 0), 1128e84c258SEugene Krasnikov RATE(360, HW_RATE_INDEX_36MBPS, 0), 1138e84c258SEugene Krasnikov RATE(480, HW_RATE_INDEX_48MBPS, 0), 1148e84c258SEugene Krasnikov RATE(540, HW_RATE_INDEX_54MBPS, 0) 1158e84c258SEugene Krasnikov }; 1168e84c258SEugene Krasnikov 1178e84c258SEugene Krasnikov static struct ieee80211_rate wcn_5ghz_rates[] = { 1188e84c258SEugene Krasnikov RATE(60, HW_RATE_INDEX_6MBPS, 0), 1198e84c258SEugene Krasnikov RATE(90, HW_RATE_INDEX_9MBPS, 0), 1208e84c258SEugene Krasnikov RATE(120, HW_RATE_INDEX_12MBPS, 0), 1218e84c258SEugene Krasnikov RATE(180, HW_RATE_INDEX_18MBPS, 0), 1228e84c258SEugene Krasnikov RATE(240, HW_RATE_INDEX_24MBPS, 0), 1238e84c258SEugene Krasnikov RATE(360, HW_RATE_INDEX_36MBPS, 0), 1248e84c258SEugene Krasnikov RATE(480, HW_RATE_INDEX_48MBPS, 0), 1258e84c258SEugene Krasnikov RATE(540, HW_RATE_INDEX_54MBPS, 0) 1268e84c258SEugene Krasnikov }; 1278e84c258SEugene Krasnikov 1288e84c258SEugene Krasnikov static struct ieee80211_supported_band wcn_band_2ghz = { 1298e84c258SEugene Krasnikov .channels = wcn_2ghz_channels, 1308e84c258SEugene Krasnikov .n_channels = ARRAY_SIZE(wcn_2ghz_channels), 1318e84c258SEugene Krasnikov .bitrates = wcn_2ghz_rates, 1328e84c258SEugene Krasnikov .n_bitrates = ARRAY_SIZE(wcn_2ghz_rates), 1338e84c258SEugene Krasnikov .ht_cap = { 1348e84c258SEugene Krasnikov .cap = IEEE80211_HT_CAP_GRN_FLD | 1358e84c258SEugene Krasnikov IEEE80211_HT_CAP_SGI_20 | 1368e84c258SEugene Krasnikov IEEE80211_HT_CAP_DSSSCCK40 | 1378e84c258SEugene Krasnikov IEEE80211_HT_CAP_LSIG_TXOP_PROT, 1388e84c258SEugene Krasnikov .ht_supported = true, 1398e84c258SEugene Krasnikov .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K, 1408e84c258SEugene Krasnikov .ampdu_density = IEEE80211_HT_MPDU_DENSITY_16, 1418e84c258SEugene Krasnikov .mcs = { 1428e84c258SEugene Krasnikov .rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, 1438e84c258SEugene Krasnikov .rx_highest = cpu_to_le16(72), 1448e84c258SEugene Krasnikov .tx_params = IEEE80211_HT_MCS_TX_DEFINED, 1458e84c258SEugene Krasnikov } 1468e84c258SEugene Krasnikov } 1478e84c258SEugene Krasnikov }; 1488e84c258SEugene Krasnikov 1498e84c258SEugene Krasnikov static struct ieee80211_supported_band wcn_band_5ghz = { 1508e84c258SEugene Krasnikov .channels = wcn_5ghz_channels, 1518e84c258SEugene Krasnikov .n_channels = ARRAY_SIZE(wcn_5ghz_channels), 1528e84c258SEugene Krasnikov .bitrates = wcn_5ghz_rates, 1538e84c258SEugene Krasnikov .n_bitrates = ARRAY_SIZE(wcn_5ghz_rates), 1548e84c258SEugene Krasnikov .ht_cap = { 1558e84c258SEugene Krasnikov .cap = IEEE80211_HT_CAP_GRN_FLD | 1568e84c258SEugene Krasnikov IEEE80211_HT_CAP_SGI_20 | 1578e84c258SEugene Krasnikov IEEE80211_HT_CAP_DSSSCCK40 | 1588e84c258SEugene Krasnikov IEEE80211_HT_CAP_LSIG_TXOP_PROT | 1598e84c258SEugene Krasnikov IEEE80211_HT_CAP_SGI_40 | 1608e84c258SEugene Krasnikov IEEE80211_HT_CAP_SUP_WIDTH_20_40, 1618e84c258SEugene Krasnikov .ht_supported = true, 1628e84c258SEugene Krasnikov .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K, 1638e84c258SEugene Krasnikov .ampdu_density = IEEE80211_HT_MPDU_DENSITY_16, 1648e84c258SEugene Krasnikov .mcs = { 1658e84c258SEugene Krasnikov .rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, 1663b9fb679SBryan O'Donoghue .rx_highest = cpu_to_le16(150), 1678e84c258SEugene Krasnikov .tx_params = IEEE80211_HT_MCS_TX_DEFINED, 1688e84c258SEugene Krasnikov } 1698e84c258SEugene Krasnikov } 1708e84c258SEugene Krasnikov }; 1718e84c258SEugene Krasnikov 1728e84c258SEugene Krasnikov #ifdef CONFIG_PM 1738e84c258SEugene Krasnikov 1748e84c258SEugene Krasnikov static const struct wiphy_wowlan_support wowlan_support = { 1758e84c258SEugene Krasnikov .flags = WIPHY_WOWLAN_ANY 1768e84c258SEugene Krasnikov }; 1778e84c258SEugene Krasnikov 1788e84c258SEugene Krasnikov #endif 1798e84c258SEugene Krasnikov 1808e84c258SEugene Krasnikov static inline u8 get_sta_index(struct ieee80211_vif *vif, 1818e84c258SEugene Krasnikov struct wcn36xx_sta *sta_priv) 1828e84c258SEugene Krasnikov { 1838e84c258SEugene Krasnikov return NL80211_IFTYPE_STATION == vif->type ? 1848e84c258SEugene Krasnikov sta_priv->bss_sta_index : 1858e84c258SEugene Krasnikov sta_priv->sta_index; 1868e84c258SEugene Krasnikov } 1878e84c258SEugene Krasnikov 1882be6636aSPontus Fuchs static const char * const wcn36xx_caps_names[] = { 1892be6636aSPontus Fuchs "MCC", /* 0 */ 1902be6636aSPontus Fuchs "P2P", /* 1 */ 1912be6636aSPontus Fuchs "DOT11AC", /* 2 */ 1922be6636aSPontus Fuchs "SLM_SESSIONIZATION", /* 3 */ 1932be6636aSPontus Fuchs "DOT11AC_OPMODE", /* 4 */ 1942be6636aSPontus Fuchs "SAP32STA", /* 5 */ 1952be6636aSPontus Fuchs "TDLS", /* 6 */ 1962be6636aSPontus Fuchs "P2P_GO_NOA_DECOUPLE_INIT_SCAN",/* 7 */ 1972be6636aSPontus Fuchs "WLANACTIVE_OFFLOAD", /* 8 */ 1982be6636aSPontus Fuchs "BEACON_OFFLOAD", /* 9 */ 1992be6636aSPontus Fuchs "SCAN_OFFLOAD", /* 10 */ 2002be6636aSPontus Fuchs "ROAM_OFFLOAD", /* 11 */ 2012be6636aSPontus Fuchs "BCN_MISS_OFFLOAD", /* 12 */ 2022be6636aSPontus Fuchs "STA_POWERSAVE", /* 13 */ 2032be6636aSPontus Fuchs "STA_ADVANCED_PWRSAVE", /* 14 */ 2042be6636aSPontus Fuchs "AP_UAPSD", /* 15 */ 2052be6636aSPontus Fuchs "AP_DFS", /* 16 */ 2062be6636aSPontus Fuchs "BLOCKACK", /* 17 */ 2072be6636aSPontus Fuchs "PHY_ERR", /* 18 */ 2082be6636aSPontus Fuchs "BCN_FILTER", /* 19 */ 2092be6636aSPontus Fuchs "RTT", /* 20 */ 2102be6636aSPontus Fuchs "RATECTRL", /* 21 */ 211ffc03c33SBjorn Andersson "WOW", /* 22 */ 212ffc03c33SBjorn Andersson "WLAN_ROAM_SCAN_OFFLOAD", /* 23 */ 213ffc03c33SBjorn Andersson "SPECULATIVE_PS_POLL", /* 24 */ 214ffc03c33SBjorn Andersson "SCAN_SCH", /* 25 */ 215ffc03c33SBjorn Andersson "IBSS_HEARTBEAT_OFFLOAD", /* 26 */ 216ffc03c33SBjorn Andersson "WLAN_SCAN_OFFLOAD", /* 27 */ 217ffc03c33SBjorn Andersson "WLAN_PERIODIC_TX_PTRN", /* 28 */ 218ffc03c33SBjorn Andersson "ADVANCE_TDLS", /* 29 */ 219ffc03c33SBjorn Andersson "BATCH_SCAN", /* 30 */ 220ffc03c33SBjorn Andersson "FW_IN_TX_PATH", /* 31 */ 221ffc03c33SBjorn Andersson "EXTENDED_NSOFFLOAD_SLOT", /* 32 */ 222ffc03c33SBjorn Andersson "CH_SWITCH_V1", /* 33 */ 223ffc03c33SBjorn Andersson "HT40_OBSS_SCAN", /* 34 */ 224ffc03c33SBjorn Andersson "UPDATE_CHANNEL_LIST", /* 35 */ 225ffc03c33SBjorn Andersson "WLAN_MCADDR_FLT", /* 36 */ 226ffc03c33SBjorn Andersson "WLAN_CH144", /* 37 */ 227ffc03c33SBjorn Andersson "NAN", /* 38 */ 228ffc03c33SBjorn Andersson "TDLS_SCAN_COEXISTENCE", /* 39 */ 229ffc03c33SBjorn Andersson "LINK_LAYER_STATS_MEAS", /* 40 */ 230ffc03c33SBjorn Andersson "MU_MIMO", /* 41 */ 231ffc03c33SBjorn Andersson "EXTENDED_SCAN", /* 42 */ 232ffc03c33SBjorn Andersson "DYNAMIC_WMM_PS", /* 43 */ 233ffc03c33SBjorn Andersson "MAC_SPOOFED_SCAN", /* 44 */ 234ffc03c33SBjorn Andersson "BMU_ERROR_GENERIC_RECOVERY", /* 45 */ 235ffc03c33SBjorn Andersson "DISA", /* 46 */ 236ffc03c33SBjorn Andersson "FW_STATS", /* 47 */ 237ffc03c33SBjorn Andersson "WPS_PRBRSP_TMPL", /* 48 */ 238ffc03c33SBjorn Andersson "BCN_IE_FLT_DELTA", /* 49 */ 239ffc03c33SBjorn Andersson "TDLS_OFF_CHANNEL", /* 51 */ 240ffc03c33SBjorn Andersson "RTT3", /* 52 */ 241ffc03c33SBjorn Andersson "MGMT_FRAME_LOGGING", /* 53 */ 242ffc03c33SBjorn Andersson "ENHANCED_TXBD_COMPLETION", /* 54 */ 243ffc03c33SBjorn Andersson "LOGGING_ENHANCEMENT", /* 55 */ 244ffc03c33SBjorn Andersson "EXT_SCAN_ENHANCED", /* 56 */ 245ffc03c33SBjorn Andersson "MEMORY_DUMP_SUPPORTED", /* 57 */ 246ffc03c33SBjorn Andersson "PER_PKT_STATS_SUPPORTED", /* 58 */ 247ffc03c33SBjorn Andersson "EXT_LL_STAT", /* 60 */ 248ffc03c33SBjorn Andersson "WIFI_CONFIG", /* 61 */ 249ffc03c33SBjorn Andersson "ANTENNA_DIVERSITY_SELECTION", /* 62 */ 2502be6636aSPontus Fuchs }; 2512be6636aSPontus Fuchs 2522be6636aSPontus Fuchs static const char *wcn36xx_get_cap_name(enum place_holder_in_cap_bitmap x) 2532be6636aSPontus Fuchs { 2542be6636aSPontus Fuchs if (x >= ARRAY_SIZE(wcn36xx_caps_names)) 2552be6636aSPontus Fuchs return "UNKNOWN"; 2562be6636aSPontus Fuchs return wcn36xx_caps_names[x]; 2572be6636aSPontus Fuchs } 2582be6636aSPontus Fuchs 2592be6636aSPontus Fuchs static void wcn36xx_feat_caps_info(struct wcn36xx *wcn) 2602be6636aSPontus Fuchs { 2612be6636aSPontus Fuchs int i; 2622be6636aSPontus Fuchs 2632be6636aSPontus Fuchs for (i = 0; i < MAX_FEATURE_SUPPORTED; i++) { 2642be6636aSPontus Fuchs if (get_feat_caps(wcn->fw_feat_caps, i)) 2656b8a127bSRamon Fried wcn36xx_dbg(WCN36XX_DBG_MAC, "FW Cap %s\n", wcn36xx_get_cap_name(i)); 2662be6636aSPontus Fuchs } 2672be6636aSPontus Fuchs } 2682be6636aSPontus Fuchs 2698e84c258SEugene Krasnikov static int wcn36xx_start(struct ieee80211_hw *hw) 2708e84c258SEugene Krasnikov { 2718e84c258SEugene Krasnikov struct wcn36xx *wcn = hw->priv; 2728e84c258SEugene Krasnikov int ret; 2738e84c258SEugene Krasnikov 2748e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "mac start\n"); 2758e84c258SEugene Krasnikov 2768e84c258SEugene Krasnikov /* SMD initialization */ 2778e84c258SEugene Krasnikov ret = wcn36xx_smd_open(wcn); 2788e84c258SEugene Krasnikov if (ret) { 2798e84c258SEugene Krasnikov wcn36xx_err("Failed to open smd channel: %d\n", ret); 2808e84c258SEugene Krasnikov goto out_err; 2818e84c258SEugene Krasnikov } 2828e84c258SEugene Krasnikov 2838e84c258SEugene Krasnikov /* Allocate memory pools for Mgmt BD headers and Data BD headers */ 2848e84c258SEugene Krasnikov ret = wcn36xx_dxe_allocate_mem_pools(wcn); 2858e84c258SEugene Krasnikov if (ret) { 2868e84c258SEugene Krasnikov wcn36xx_err("Failed to alloc DXE mempool: %d\n", ret); 2878e84c258SEugene Krasnikov goto out_smd_close; 2888e84c258SEugene Krasnikov } 2898e84c258SEugene Krasnikov 2908e84c258SEugene Krasnikov ret = wcn36xx_dxe_alloc_ctl_blks(wcn); 2918e84c258SEugene Krasnikov if (ret) { 2928e84c258SEugene Krasnikov wcn36xx_err("Failed to alloc DXE ctl blocks: %d\n", ret); 2938e84c258SEugene Krasnikov goto out_free_dxe_pool; 2948e84c258SEugene Krasnikov } 2958e84c258SEugene Krasnikov 2968e84c258SEugene Krasnikov wcn->hal_buf = kmalloc(WCN36XX_HAL_BUF_SIZE, GFP_KERNEL); 2978e84c258SEugene Krasnikov if (!wcn->hal_buf) { 2988e84c258SEugene Krasnikov wcn36xx_err("Failed to allocate smd buf\n"); 2998e84c258SEugene Krasnikov ret = -ENOMEM; 3008e84c258SEugene Krasnikov goto out_free_dxe_ctl; 3018e84c258SEugene Krasnikov } 3028e84c258SEugene Krasnikov 3038e84c258SEugene Krasnikov ret = wcn36xx_smd_load_nv(wcn); 3048e84c258SEugene Krasnikov if (ret) { 3058e84c258SEugene Krasnikov wcn36xx_err("Failed to push NV to chip\n"); 3068e84c258SEugene Krasnikov goto out_free_smd_buf; 3078e84c258SEugene Krasnikov } 3088e84c258SEugene Krasnikov 3098e84c258SEugene Krasnikov ret = wcn36xx_smd_start(wcn); 3108e84c258SEugene Krasnikov if (ret) { 3118e84c258SEugene Krasnikov wcn36xx_err("Failed to start chip\n"); 3128e84c258SEugene Krasnikov goto out_free_smd_buf; 3138e84c258SEugene Krasnikov } 3148e84c258SEugene Krasnikov 315f2ed5d24SPontus Fuchs if (!wcn36xx_is_fw_version(wcn, 1, 2, 2, 24)) { 316f2ed5d24SPontus Fuchs ret = wcn36xx_smd_feature_caps_exchange(wcn); 317f2ed5d24SPontus Fuchs if (ret) 318f2ed5d24SPontus Fuchs wcn36xx_warn("Exchange feature caps failed\n"); 319f2ed5d24SPontus Fuchs else 320f2ed5d24SPontus Fuchs wcn36xx_feat_caps_info(wcn); 321f2ed5d24SPontus Fuchs } 322f2ed5d24SPontus Fuchs 3238e84c258SEugene Krasnikov /* DMA channel initialization */ 3248e84c258SEugene Krasnikov ret = wcn36xx_dxe_init(wcn); 3258e84c258SEugene Krasnikov if (ret) { 3268e84c258SEugene Krasnikov wcn36xx_err("DXE init failed\n"); 3278e84c258SEugene Krasnikov goto out_smd_stop; 3288e84c258SEugene Krasnikov } 3298e84c258SEugene Krasnikov 3308e84c258SEugene Krasnikov wcn36xx_debugfs_init(wcn); 3318e84c258SEugene Krasnikov 3328e84c258SEugene Krasnikov INIT_LIST_HEAD(&wcn->vif_list); 3334b12462aSBob Copeland spin_lock_init(&wcn->dxe_lock); 3344b12462aSBob Copeland 3358e84c258SEugene Krasnikov return 0; 3368e84c258SEugene Krasnikov 3378e84c258SEugene Krasnikov out_smd_stop: 3388e84c258SEugene Krasnikov wcn36xx_smd_stop(wcn); 3398e84c258SEugene Krasnikov out_free_smd_buf: 3408e84c258SEugene Krasnikov kfree(wcn->hal_buf); 3418e84c258SEugene Krasnikov out_free_dxe_ctl: 3428e84c258SEugene Krasnikov wcn36xx_dxe_free_ctl_blks(wcn); 3434aa2d31fSChristophe Jaillet out_free_dxe_pool: 3444aa2d31fSChristophe Jaillet wcn36xx_dxe_free_mem_pools(wcn); 3458e84c258SEugene Krasnikov out_smd_close: 3468e84c258SEugene Krasnikov wcn36xx_smd_close(wcn); 3478e84c258SEugene Krasnikov out_err: 3488e84c258SEugene Krasnikov return ret; 3498e84c258SEugene Krasnikov } 3508e84c258SEugene Krasnikov 3518e84c258SEugene Krasnikov static void wcn36xx_stop(struct ieee80211_hw *hw) 3528e84c258SEugene Krasnikov { 3538e84c258SEugene Krasnikov struct wcn36xx *wcn = hw->priv; 3548e84c258SEugene Krasnikov 3558e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "mac stop\n"); 3568e84c258SEugene Krasnikov 35780c764d3SDaniel Mack mutex_lock(&wcn->scan_lock); 35880c764d3SDaniel Mack if (wcn->scan_req) { 35980c764d3SDaniel Mack struct cfg80211_scan_info scan_info = { 36080c764d3SDaniel Mack .aborted = true, 36180c764d3SDaniel Mack }; 36280c764d3SDaniel Mack 36380c764d3SDaniel Mack ieee80211_scan_completed(wcn->hw, &scan_info); 36480c764d3SDaniel Mack } 36580c764d3SDaniel Mack wcn->scan_req = NULL; 36680c764d3SDaniel Mack mutex_unlock(&wcn->scan_lock); 36780c764d3SDaniel Mack 3688e84c258SEugene Krasnikov wcn36xx_debugfs_exit(wcn); 3698e84c258SEugene Krasnikov wcn36xx_smd_stop(wcn); 3708e84c258SEugene Krasnikov wcn36xx_dxe_deinit(wcn); 3718e84c258SEugene Krasnikov wcn36xx_smd_close(wcn); 3728e84c258SEugene Krasnikov 3738e84c258SEugene Krasnikov wcn36xx_dxe_free_mem_pools(wcn); 3748e84c258SEugene Krasnikov wcn36xx_dxe_free_ctl_blks(wcn); 3758e84c258SEugene Krasnikov 3768e84c258SEugene Krasnikov kfree(wcn->hal_buf); 3778e84c258SEugene Krasnikov } 3788e84c258SEugene Krasnikov 3795973a294SLoic Poulain static void wcn36xx_change_ps(struct wcn36xx *wcn, bool enable) 3805973a294SLoic Poulain { 3815973a294SLoic Poulain struct ieee80211_vif *vif = NULL; 3825973a294SLoic Poulain struct wcn36xx_vif *tmp; 3835973a294SLoic Poulain 3845973a294SLoic Poulain list_for_each_entry(tmp, &wcn->vif_list, list) { 3855973a294SLoic Poulain vif = wcn36xx_priv_to_vif(tmp); 3865973a294SLoic Poulain if (enable && !wcn->sw_scan) { 3875973a294SLoic Poulain if (vif->bss_conf.ps) /* ps allowed ? */ 3885973a294SLoic Poulain wcn36xx_pmc_enter_bmps_state(wcn, vif); 3895973a294SLoic Poulain } else { 3905973a294SLoic Poulain wcn36xx_pmc_exit_bmps_state(wcn, vif); 3915973a294SLoic Poulain } 3925973a294SLoic Poulain } 3935973a294SLoic Poulain } 3945973a294SLoic Poulain 3955973a294SLoic Poulain static void wcn36xx_change_opchannel(struct wcn36xx *wcn, int ch) 3965973a294SLoic Poulain { 3975973a294SLoic Poulain struct ieee80211_vif *vif = NULL; 3985973a294SLoic Poulain struct wcn36xx_vif *tmp; 3995973a294SLoic Poulain 4005973a294SLoic Poulain list_for_each_entry(tmp, &wcn->vif_list, list) { 4015973a294SLoic Poulain vif = wcn36xx_priv_to_vif(tmp); 4025973a294SLoic Poulain wcn36xx_smd_switch_channel(wcn, vif, ch); 4035973a294SLoic Poulain } 4045973a294SLoic Poulain } 4055973a294SLoic Poulain 4068e84c258SEugene Krasnikov static int wcn36xx_config(struct ieee80211_hw *hw, u32 changed) 4078e84c258SEugene Krasnikov { 4088e84c258SEugene Krasnikov struct wcn36xx *wcn = hw->priv; 4098e84c258SEugene Krasnikov 4108e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "mac config changed 0x%08x\n", changed); 4118e84c258SEugene Krasnikov 41239efc7ccSBjorn Andersson mutex_lock(&wcn->conf_mutex); 41339efc7ccSBjorn Andersson 4148e84c258SEugene Krasnikov if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { 4158e84c258SEugene Krasnikov int ch = WCN36XX_HW_CHANNEL(wcn); 4168e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "wcn36xx_config channel switch=%d\n", 4178e84c258SEugene Krasnikov ch); 4185973a294SLoic Poulain 4195973a294SLoic Poulain if (wcn->sw_scan_opchannel == ch) { 4205973a294SLoic Poulain /* If channel is the initial operating channel, we may 4215973a294SLoic Poulain * want to receive/transmit regular data packets, then 4225973a294SLoic Poulain * simply stop the scan session and exit PS mode. 4235973a294SLoic Poulain */ 4245973a294SLoic Poulain wcn36xx_smd_finish_scan(wcn, HAL_SYS_MODE_SCAN, 4255973a294SLoic Poulain wcn->sw_scan_vif); 4265973a294SLoic Poulain } else if (wcn->sw_scan) { 4275973a294SLoic Poulain /* A scan is ongoing, do not change the operating 4285973a294SLoic Poulain * channel, but start a scan session on the channel. 4295973a294SLoic Poulain */ 4305973a294SLoic Poulain wcn36xx_smd_init_scan(wcn, HAL_SYS_MODE_SCAN, 4315973a294SLoic Poulain wcn->sw_scan_vif); 4325973a294SLoic Poulain wcn36xx_smd_start_scan(wcn, ch); 4335973a294SLoic Poulain } else { 4345973a294SLoic Poulain wcn36xx_change_opchannel(wcn, ch); 4358e84c258SEugene Krasnikov } 4368e84c258SEugene Krasnikov } 4378e84c258SEugene Krasnikov 4385973a294SLoic Poulain if (changed & IEEE80211_CONF_CHANGE_PS) 4395973a294SLoic Poulain wcn36xx_change_ps(wcn, hw->conf.flags & IEEE80211_CONF_PS); 4400856655aSLoic Poulain 44139efc7ccSBjorn Andersson mutex_unlock(&wcn->conf_mutex); 44239efc7ccSBjorn Andersson 4438e84c258SEugene Krasnikov return 0; 4448e84c258SEugene Krasnikov } 4458e84c258SEugene Krasnikov 4468e84c258SEugene Krasnikov static void wcn36xx_configure_filter(struct ieee80211_hw *hw, 4478e84c258SEugene Krasnikov unsigned int changed, 4488e84c258SEugene Krasnikov unsigned int *total, u64 multicast) 4498e84c258SEugene Krasnikov { 45020a779edSPontus Fuchs struct wcn36xx_hal_rcv_flt_mc_addr_list_type *fp; 45120a779edSPontus Fuchs struct wcn36xx *wcn = hw->priv; 45220a779edSPontus Fuchs struct wcn36xx_vif *tmp; 45320a779edSPontus Fuchs struct ieee80211_vif *vif = NULL; 45420a779edSPontus Fuchs 4558e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "mac configure filter\n"); 4568e84c258SEugene Krasnikov 45739efc7ccSBjorn Andersson mutex_lock(&wcn->conf_mutex); 45839efc7ccSBjorn Andersson 45920a779edSPontus Fuchs *total &= FIF_ALLMULTI; 46020a779edSPontus Fuchs 46120a779edSPontus Fuchs fp = (void *)(unsigned long)multicast; 46220a779edSPontus Fuchs list_for_each_entry(tmp, &wcn->vif_list, list) { 46320a779edSPontus Fuchs vif = wcn36xx_priv_to_vif(tmp); 46420a779edSPontus Fuchs 46520a779edSPontus Fuchs /* FW handles MC filtering only when connected as STA */ 46620a779edSPontus Fuchs if (*total & FIF_ALLMULTI) 46720a779edSPontus Fuchs wcn36xx_smd_set_mc_list(wcn, vif, NULL); 46820a779edSPontus Fuchs else if (NL80211_IFTYPE_STATION == vif->type && tmp->sta_assoc) 46920a779edSPontus Fuchs wcn36xx_smd_set_mc_list(wcn, vif, fp); 47020a779edSPontus Fuchs } 47139efc7ccSBjorn Andersson 47239efc7ccSBjorn Andersson mutex_unlock(&wcn->conf_mutex); 47320a779edSPontus Fuchs kfree(fp); 47420a779edSPontus Fuchs } 47520a779edSPontus Fuchs 47620a779edSPontus Fuchs static u64 wcn36xx_prepare_multicast(struct ieee80211_hw *hw, 47720a779edSPontus Fuchs struct netdev_hw_addr_list *mc_list) 47820a779edSPontus Fuchs { 47920a779edSPontus Fuchs struct wcn36xx_hal_rcv_flt_mc_addr_list_type *fp; 48020a779edSPontus Fuchs struct netdev_hw_addr *ha; 48120a779edSPontus Fuchs 48220a779edSPontus Fuchs wcn36xx_dbg(WCN36XX_DBG_MAC, "mac prepare multicast list\n"); 48320a779edSPontus Fuchs fp = kzalloc(sizeof(*fp), GFP_ATOMIC); 48420a779edSPontus Fuchs if (!fp) { 48520a779edSPontus Fuchs wcn36xx_err("Out of memory setting filters.\n"); 48620a779edSPontus Fuchs return 0; 48720a779edSPontus Fuchs } 48820a779edSPontus Fuchs 48920a779edSPontus Fuchs fp->mc_addr_count = 0; 49020a779edSPontus Fuchs /* update multicast filtering parameters */ 49120a779edSPontus Fuchs if (netdev_hw_addr_list_count(mc_list) <= 49220a779edSPontus Fuchs WCN36XX_HAL_MAX_NUM_MULTICAST_ADDRESS) { 49320a779edSPontus Fuchs netdev_hw_addr_list_for_each(ha, mc_list) { 49420a779edSPontus Fuchs memcpy(fp->mc_addr[fp->mc_addr_count], 49520a779edSPontus Fuchs ha->addr, ETH_ALEN); 49620a779edSPontus Fuchs fp->mc_addr_count++; 49720a779edSPontus Fuchs } 49820a779edSPontus Fuchs } 49920a779edSPontus Fuchs 50020a779edSPontus Fuchs return (u64)(unsigned long)fp; 5018e84c258SEugene Krasnikov } 5028e84c258SEugene Krasnikov 5038e84c258SEugene Krasnikov static void wcn36xx_tx(struct ieee80211_hw *hw, 5048e84c258SEugene Krasnikov struct ieee80211_tx_control *control, 5058e84c258SEugene Krasnikov struct sk_buff *skb) 5068e84c258SEugene Krasnikov { 5078e84c258SEugene Krasnikov struct wcn36xx *wcn = hw->priv; 5088e84c258SEugene Krasnikov struct wcn36xx_sta *sta_priv = NULL; 5098e84c258SEugene Krasnikov 5108e84c258SEugene Krasnikov if (control->sta) 511a92e4696SPontus Fuchs sta_priv = wcn36xx_sta_to_priv(control->sta); 5128e84c258SEugene Krasnikov 5138e84c258SEugene Krasnikov if (wcn36xx_start_tx(wcn, sta_priv, skb)) 5148e84c258SEugene Krasnikov ieee80211_free_txskb(wcn->hw, skb); 5158e84c258SEugene Krasnikov } 5168e84c258SEugene Krasnikov 5178e84c258SEugene Krasnikov static int wcn36xx_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 5188e84c258SEugene Krasnikov struct ieee80211_vif *vif, 5198e84c258SEugene Krasnikov struct ieee80211_sta *sta, 5208e84c258SEugene Krasnikov struct ieee80211_key_conf *key_conf) 5218e84c258SEugene Krasnikov { 5228e84c258SEugene Krasnikov struct wcn36xx *wcn = hw->priv; 523ce75877fSPontus Fuchs struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif); 524216da128SLoic Poulain struct wcn36xx_sta *sta_priv = sta ? wcn36xx_sta_to_priv(sta) : NULL; 5258e84c258SEugene Krasnikov int ret = 0; 5268e84c258SEugene Krasnikov u8 key[WLAN_MAX_KEY_LEN]; 5278e84c258SEugene Krasnikov 5288e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "mac80211 set key\n"); 5298e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "Key: cmd=0x%x algo:0x%x, id:%d, len:%d flags 0x%x\n", 5308e84c258SEugene Krasnikov cmd, key_conf->cipher, key_conf->keyidx, 5318e84c258SEugene Krasnikov key_conf->keylen, key_conf->flags); 5328e84c258SEugene Krasnikov wcn36xx_dbg_dump(WCN36XX_DBG_MAC, "KEY: ", 5338e84c258SEugene Krasnikov key_conf->key, 5348e84c258SEugene Krasnikov key_conf->keylen); 5358e84c258SEugene Krasnikov 53639efc7ccSBjorn Andersson mutex_lock(&wcn->conf_mutex); 53739efc7ccSBjorn Andersson 5388e84c258SEugene Krasnikov switch (key_conf->cipher) { 5398e84c258SEugene Krasnikov case WLAN_CIPHER_SUITE_WEP40: 5408e84c258SEugene Krasnikov vif_priv->encrypt_type = WCN36XX_HAL_ED_WEP40; 5418e84c258SEugene Krasnikov break; 5428e84c258SEugene Krasnikov case WLAN_CIPHER_SUITE_WEP104: 54310db60b9SLoic Poulain vif_priv->encrypt_type = WCN36XX_HAL_ED_WEP104; 5448e84c258SEugene Krasnikov break; 5458e84c258SEugene Krasnikov case WLAN_CIPHER_SUITE_CCMP: 5468e84c258SEugene Krasnikov vif_priv->encrypt_type = WCN36XX_HAL_ED_CCMP; 5478e84c258SEugene Krasnikov break; 5488e84c258SEugene Krasnikov case WLAN_CIPHER_SUITE_TKIP: 5498e84c258SEugene Krasnikov vif_priv->encrypt_type = WCN36XX_HAL_ED_TKIP; 5508e84c258SEugene Krasnikov break; 5518e84c258SEugene Krasnikov default: 5528e84c258SEugene Krasnikov wcn36xx_err("Unsupported key type 0x%x\n", 5538e84c258SEugene Krasnikov key_conf->cipher); 5548e84c258SEugene Krasnikov ret = -EOPNOTSUPP; 5558e84c258SEugene Krasnikov goto out; 5568e84c258SEugene Krasnikov } 5578e84c258SEugene Krasnikov 5588e84c258SEugene Krasnikov switch (cmd) { 5598e84c258SEugene Krasnikov case SET_KEY: 5608e84c258SEugene Krasnikov if (WCN36XX_HAL_ED_TKIP == vif_priv->encrypt_type) { 5618e84c258SEugene Krasnikov /* 5628e84c258SEugene Krasnikov * Supplicant is sending key in the wrong order: 5638e84c258SEugene Krasnikov * Temporal Key (16 b) - TX MIC (8 b) - RX MIC (8 b) 5648e84c258SEugene Krasnikov * but HW expects it to be in the order as described in 5658e84c258SEugene Krasnikov * IEEE 802.11 spec (see chapter 11.7) like this: 5668e84c258SEugene Krasnikov * Temporal Key (16 b) - RX MIC (8 b) - TX MIC (8 b) 5678e84c258SEugene Krasnikov */ 5688e84c258SEugene Krasnikov memcpy(key, key_conf->key, 16); 5698e84c258SEugene Krasnikov memcpy(key + 16, key_conf->key + 24, 8); 5708e84c258SEugene Krasnikov memcpy(key + 24, key_conf->key + 16, 8); 5718e84c258SEugene Krasnikov } else { 5728e84c258SEugene Krasnikov memcpy(key, key_conf->key, key_conf->keylen); 5738e84c258SEugene Krasnikov } 5748e84c258SEugene Krasnikov 5758e84c258SEugene Krasnikov if (IEEE80211_KEY_FLAG_PAIRWISE & key_conf->flags) { 5768e84c258SEugene Krasnikov sta_priv->is_data_encrypted = true; 5778e84c258SEugene Krasnikov /* Reconfigure bss with encrypt_type */ 5788e84c258SEugene Krasnikov if (NL80211_IFTYPE_STATION == vif->type) 5798e84c258SEugene Krasnikov wcn36xx_smd_config_bss(wcn, 5808e84c258SEugene Krasnikov vif, 5818e84c258SEugene Krasnikov sta, 5828e84c258SEugene Krasnikov sta->addr, 5838e84c258SEugene Krasnikov true); 5848e84c258SEugene Krasnikov 5858e84c258SEugene Krasnikov wcn36xx_smd_set_stakey(wcn, 5868e84c258SEugene Krasnikov vif_priv->encrypt_type, 5878e84c258SEugene Krasnikov key_conf->keyidx, 5888e84c258SEugene Krasnikov key_conf->keylen, 5898e84c258SEugene Krasnikov key, 5908e84c258SEugene Krasnikov get_sta_index(vif, sta_priv)); 5918e84c258SEugene Krasnikov } else { 5928e84c258SEugene Krasnikov wcn36xx_smd_set_bsskey(wcn, 5938e84c258SEugene Krasnikov vif_priv->encrypt_type, 5940fc8bb50SDaniel Mack vif_priv->bss_index, 5958e84c258SEugene Krasnikov key_conf->keyidx, 5968e84c258SEugene Krasnikov key_conf->keylen, 5978e84c258SEugene Krasnikov key); 598e3160542SLoic Poulain 5998e84c258SEugene Krasnikov if ((WLAN_CIPHER_SUITE_WEP40 == key_conf->cipher) || 6008e84c258SEugene Krasnikov (WLAN_CIPHER_SUITE_WEP104 == key_conf->cipher)) { 601216da128SLoic Poulain list_for_each_entry(sta_priv, 602216da128SLoic Poulain &vif_priv->sta_list, list) { 6038e84c258SEugene Krasnikov sta_priv->is_data_encrypted = true; 6048e84c258SEugene Krasnikov wcn36xx_smd_set_stakey(wcn, 6058e84c258SEugene Krasnikov vif_priv->encrypt_type, 6068e84c258SEugene Krasnikov key_conf->keyidx, 6078e84c258SEugene Krasnikov key_conf->keylen, 6088e84c258SEugene Krasnikov key, 6098e84c258SEugene Krasnikov get_sta_index(vif, sta_priv)); 6108e84c258SEugene Krasnikov } 6118e84c258SEugene Krasnikov } 612216da128SLoic Poulain } 613c6522a50SLoic Poulain /* FIXME: Only enable bmps support when encryption is enabled. 614c6522a50SLoic Poulain * For any reasons, when connected to open/no-security BSS, 615c6522a50SLoic Poulain * the wcn36xx controller in bmps mode does not forward 616c6522a50SLoic Poulain * 'wake-up' beacons despite AP sends DTIM with station AID. 617c6522a50SLoic Poulain * It could be due to a firmware issue or to the way driver 618c6522a50SLoic Poulain * configure the station. 619c6522a50SLoic Poulain */ 620c6522a50SLoic Poulain if (vif->type == NL80211_IFTYPE_STATION) 621c6522a50SLoic Poulain vif_priv->allow_bmps = true; 6228e84c258SEugene Krasnikov break; 6238e84c258SEugene Krasnikov case DISABLE_KEY: 6248e84c258SEugene Krasnikov if (!(IEEE80211_KEY_FLAG_PAIRWISE & key_conf->flags)) { 6250fc8bb50SDaniel Mack if (vif_priv->bss_index != WCN36XX_HAL_BSS_INVALID_IDX) 6268e84c258SEugene Krasnikov wcn36xx_smd_remove_bsskey(wcn, 6278e84c258SEugene Krasnikov vif_priv->encrypt_type, 6280fc8bb50SDaniel Mack vif_priv->bss_index, 6298e84c258SEugene Krasnikov key_conf->keyidx); 6300fc8bb50SDaniel Mack 6310fc8bb50SDaniel Mack vif_priv->encrypt_type = WCN36XX_HAL_ED_NONE; 6328e84c258SEugene Krasnikov } else { 6338e84c258SEugene Krasnikov sta_priv->is_data_encrypted = false; 6348e84c258SEugene Krasnikov /* do not remove key if disassociated */ 6358e84c258SEugene Krasnikov if (sta_priv->aid) 6368e84c258SEugene Krasnikov wcn36xx_smd_remove_stakey(wcn, 6378e84c258SEugene Krasnikov vif_priv->encrypt_type, 6388e84c258SEugene Krasnikov key_conf->keyidx, 6398e84c258SEugene Krasnikov get_sta_index(vif, sta_priv)); 6408e84c258SEugene Krasnikov } 6418e84c258SEugene Krasnikov break; 6428e84c258SEugene Krasnikov default: 6438e84c258SEugene Krasnikov wcn36xx_err("Unsupported key cmd 0x%x\n", cmd); 6448e84c258SEugene Krasnikov ret = -EOPNOTSUPP; 6458e84c258SEugene Krasnikov goto out; 6468e84c258SEugene Krasnikov } 6478e84c258SEugene Krasnikov 6488e84c258SEugene Krasnikov out: 64939efc7ccSBjorn Andersson mutex_unlock(&wcn->conf_mutex); 65039efc7ccSBjorn Andersson 6518e84c258SEugene Krasnikov return ret; 6528e84c258SEugene Krasnikov } 6538e84c258SEugene Krasnikov 65488603903SBjorn Andersson static int wcn36xx_hw_scan(struct ieee80211_hw *hw, 65588603903SBjorn Andersson struct ieee80211_vif *vif, 65688603903SBjorn Andersson struct ieee80211_scan_request *hw_req) 6578e84c258SEugene Krasnikov { 6588e84c258SEugene Krasnikov struct wcn36xx *wcn = hw->priv; 6595973a294SLoic Poulain int i; 6605973a294SLoic Poulain 6615973a294SLoic Poulain if (!get_feat_caps(wcn->fw_feat_caps, SCAN_OFFLOAD)) { 6625973a294SLoic Poulain /* fallback to mac80211 software scan */ 6635973a294SLoic Poulain return 1; 6645973a294SLoic Poulain } 6655973a294SLoic Poulain 6665973a294SLoic Poulain /* For unknown reason, the hardware offloaded scan only works with 6675973a294SLoic Poulain * 2.4Ghz channels, fallback to software scan in other cases. 6685973a294SLoic Poulain */ 6695973a294SLoic Poulain for (i = 0; i < hw_req->req.n_channels; i++) { 6705973a294SLoic Poulain if (hw_req->req.channels[i]->band != NL80211_BAND_2GHZ) 6715973a294SLoic Poulain return 1; 6725973a294SLoic Poulain } 6735973a294SLoic Poulain 67488603903SBjorn Andersson mutex_lock(&wcn->scan_lock); 67588603903SBjorn Andersson if (wcn->scan_req) { 67688603903SBjorn Andersson mutex_unlock(&wcn->scan_lock); 67788603903SBjorn Andersson return -EBUSY; 67888603903SBjorn Andersson } 67903c95dbeSBjorn Andersson 68003c95dbeSBjorn Andersson wcn->scan_aborted = false; 68188603903SBjorn Andersson wcn->scan_req = &hw_req->req; 6822f3bef4bSLoic Poulain 68388603903SBjorn Andersson mutex_unlock(&wcn->scan_lock); 68488603903SBjorn Andersson 6852f3bef4bSLoic Poulain return wcn36xx_smd_start_hw_scan(wcn, vif, &hw_req->req); 6862f3bef4bSLoic Poulain } 6872f3bef4bSLoic Poulain 68803c95dbeSBjorn Andersson static void wcn36xx_cancel_hw_scan(struct ieee80211_hw *hw, 68903c95dbeSBjorn Andersson struct ieee80211_vif *vif) 69003c95dbeSBjorn Andersson { 69103c95dbeSBjorn Andersson struct wcn36xx *wcn = hw->priv; 69203c95dbeSBjorn Andersson 69303c95dbeSBjorn Andersson mutex_lock(&wcn->scan_lock); 69403c95dbeSBjorn Andersson wcn->scan_aborted = true; 69503c95dbeSBjorn Andersson mutex_unlock(&wcn->scan_lock); 69603c95dbeSBjorn Andersson 69789722f57SDaniel Mack if (get_feat_caps(wcn->fw_feat_caps, SCAN_OFFLOAD)) { 69889722f57SDaniel Mack /* ieee80211_scan_completed will be called on FW scan 69989722f57SDaniel Mack * indication */ 7009bfd05e3SLoic Poulain wcn36xx_smd_stop_hw_scan(wcn); 70189722f57SDaniel Mack } 70203c95dbeSBjorn Andersson } 70303c95dbeSBjorn Andersson 7045973a294SLoic Poulain static void wcn36xx_sw_scan_start(struct ieee80211_hw *hw, 7055973a294SLoic Poulain struct ieee80211_vif *vif, 7065973a294SLoic Poulain const u8 *mac_addr) 7075973a294SLoic Poulain { 7085973a294SLoic Poulain struct wcn36xx *wcn = hw->priv; 7095973a294SLoic Poulain struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif); 7105973a294SLoic Poulain 7115973a294SLoic Poulain wcn->sw_scan = true; 7125973a294SLoic Poulain wcn->sw_scan_vif = vif; 7135973a294SLoic Poulain if (vif_priv->sta_assoc) 7145973a294SLoic Poulain wcn->sw_scan_opchannel = WCN36XX_HW_CHANNEL(wcn); 7155973a294SLoic Poulain else 7165973a294SLoic Poulain wcn->sw_scan_opchannel = 0; 7175973a294SLoic Poulain } 7185973a294SLoic Poulain 7195973a294SLoic Poulain static void wcn36xx_sw_scan_complete(struct ieee80211_hw *hw, 7205973a294SLoic Poulain struct ieee80211_vif *vif) 7215973a294SLoic Poulain { 7225973a294SLoic Poulain struct wcn36xx *wcn = hw->priv; 7235973a294SLoic Poulain 7245973a294SLoic Poulain /* ensure that any scan session is finished */ 7255973a294SLoic Poulain wcn36xx_smd_finish_scan(wcn, HAL_SYS_MODE_SCAN, wcn->sw_scan_vif); 7265973a294SLoic Poulain wcn->sw_scan = false; 7275973a294SLoic Poulain wcn->sw_scan_opchannel = 0; 7285973a294SLoic Poulain } 7295973a294SLoic Poulain 7308e84c258SEugene Krasnikov static void wcn36xx_update_allowed_rates(struct ieee80211_sta *sta, 73157fbcce3SJohannes Berg enum nl80211_band band) 7328e84c258SEugene Krasnikov { 7338e84c258SEugene Krasnikov int i, size; 7348e84c258SEugene Krasnikov u16 *rates_table; 735a92e4696SPontus Fuchs struct wcn36xx_sta *sta_priv = wcn36xx_sta_to_priv(sta); 7368e84c258SEugene Krasnikov u32 rates = sta->supp_rates[band]; 7378e84c258SEugene Krasnikov 7388e84c258SEugene Krasnikov memset(&sta_priv->supported_rates, 0, 7398e84c258SEugene Krasnikov sizeof(sta_priv->supported_rates)); 7408e84c258SEugene Krasnikov sta_priv->supported_rates.op_rate_mode = STA_11n; 7418e84c258SEugene Krasnikov 7428e84c258SEugene Krasnikov size = ARRAY_SIZE(sta_priv->supported_rates.dsss_rates); 7438e84c258SEugene Krasnikov rates_table = sta_priv->supported_rates.dsss_rates; 74457fbcce3SJohannes Berg if (band == NL80211_BAND_2GHZ) { 7458e84c258SEugene Krasnikov for (i = 0; i < size; i++) { 7468e84c258SEugene Krasnikov if (rates & 0x01) { 7478e84c258SEugene Krasnikov rates_table[i] = wcn_2ghz_rates[i].hw_value; 7488e84c258SEugene Krasnikov rates = rates >> 1; 7498e84c258SEugene Krasnikov } 7508e84c258SEugene Krasnikov } 7518e84c258SEugene Krasnikov } 7528e84c258SEugene Krasnikov 7538e84c258SEugene Krasnikov size = ARRAY_SIZE(sta_priv->supported_rates.ofdm_rates); 7548e84c258SEugene Krasnikov rates_table = sta_priv->supported_rates.ofdm_rates; 7558e84c258SEugene Krasnikov for (i = 0; i < size; i++) { 7568e84c258SEugene Krasnikov if (rates & 0x01) { 7578e84c258SEugene Krasnikov rates_table[i] = wcn_5ghz_rates[i].hw_value; 7588e84c258SEugene Krasnikov rates = rates >> 1; 7598e84c258SEugene Krasnikov } 7608e84c258SEugene Krasnikov } 7618e84c258SEugene Krasnikov 7628e84c258SEugene Krasnikov if (sta->ht_cap.ht_supported) { 7638e84c258SEugene Krasnikov BUILD_BUG_ON(sizeof(sta->ht_cap.mcs.rx_mask) > 7648e84c258SEugene Krasnikov sizeof(sta_priv->supported_rates.supported_mcs_set)); 7658e84c258SEugene Krasnikov memcpy(sta_priv->supported_rates.supported_mcs_set, 7668e84c258SEugene Krasnikov sta->ht_cap.mcs.rx_mask, 7678e84c258SEugene Krasnikov sizeof(sta->ht_cap.mcs.rx_mask)); 7688e84c258SEugene Krasnikov } 7698e84c258SEugene Krasnikov } 7708e84c258SEugene Krasnikov void wcn36xx_set_default_rates(struct wcn36xx_hal_supported_rates *rates) 7718e84c258SEugene Krasnikov { 7728e84c258SEugene Krasnikov u16 ofdm_rates[WCN36XX_HAL_NUM_OFDM_RATES] = { 7738e84c258SEugene Krasnikov HW_RATE_INDEX_6MBPS, 7748e84c258SEugene Krasnikov HW_RATE_INDEX_9MBPS, 7758e84c258SEugene Krasnikov HW_RATE_INDEX_12MBPS, 7768e84c258SEugene Krasnikov HW_RATE_INDEX_18MBPS, 7778e84c258SEugene Krasnikov HW_RATE_INDEX_24MBPS, 7788e84c258SEugene Krasnikov HW_RATE_INDEX_36MBPS, 7798e84c258SEugene Krasnikov HW_RATE_INDEX_48MBPS, 7808e84c258SEugene Krasnikov HW_RATE_INDEX_54MBPS 7818e84c258SEugene Krasnikov }; 7828e84c258SEugene Krasnikov u16 dsss_rates[WCN36XX_HAL_NUM_DSSS_RATES] = { 7838e84c258SEugene Krasnikov HW_RATE_INDEX_1MBPS, 7848e84c258SEugene Krasnikov HW_RATE_INDEX_2MBPS, 7858e84c258SEugene Krasnikov HW_RATE_INDEX_5_5MBPS, 7868e84c258SEugene Krasnikov HW_RATE_INDEX_11MBPS 7878e84c258SEugene Krasnikov }; 7888e84c258SEugene Krasnikov 7898e84c258SEugene Krasnikov rates->op_rate_mode = STA_11n; 7908e84c258SEugene Krasnikov memcpy(rates->dsss_rates, dsss_rates, 7918e84c258SEugene Krasnikov sizeof(*dsss_rates) * WCN36XX_HAL_NUM_DSSS_RATES); 7928e84c258SEugene Krasnikov memcpy(rates->ofdm_rates, ofdm_rates, 7938e84c258SEugene Krasnikov sizeof(*ofdm_rates) * WCN36XX_HAL_NUM_OFDM_RATES); 7948e84c258SEugene Krasnikov rates->supported_mcs_set[0] = 0xFF; 7958e84c258SEugene Krasnikov } 796c84515bdSBryan O'Donoghue 797c84515bdSBryan O'Donoghue void wcn36xx_set_default_rates_v1(struct wcn36xx_hal_supported_rates_v1 *rates) 798c84515bdSBryan O'Donoghue { 799c84515bdSBryan O'Donoghue rates->op_rate_mode = STA_11ac; 800c84515bdSBryan O'Donoghue rates->vht_rx_mcs_map = IEEE80211_VHT_MCS_SUPPORT_0_9; 801c84515bdSBryan O'Donoghue rates->vht_tx_mcs_map = IEEE80211_VHT_MCS_SUPPORT_0_9; 802c84515bdSBryan O'Donoghue } 803c84515bdSBryan O'Donoghue 8048e84c258SEugene Krasnikov static void wcn36xx_bss_info_changed(struct ieee80211_hw *hw, 8058e84c258SEugene Krasnikov struct ieee80211_vif *vif, 8068e84c258SEugene Krasnikov struct ieee80211_bss_conf *bss_conf, 8078e84c258SEugene Krasnikov u32 changed) 8088e84c258SEugene Krasnikov { 8098e84c258SEugene Krasnikov struct wcn36xx *wcn = hw->priv; 8108e84c258SEugene Krasnikov struct sk_buff *skb = NULL; 8118e84c258SEugene Krasnikov u16 tim_off, tim_len; 8128e84c258SEugene Krasnikov enum wcn36xx_hal_link_state link_state; 813ce75877fSPontus Fuchs struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif); 8148e84c258SEugene Krasnikov 8158e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "mac bss info changed vif %p changed 0x%08x\n", 8168e84c258SEugene Krasnikov vif, changed); 8178e84c258SEugene Krasnikov 81839efc7ccSBjorn Andersson mutex_lock(&wcn->conf_mutex); 81939efc7ccSBjorn Andersson 8208e84c258SEugene Krasnikov if (changed & BSS_CHANGED_BEACON_INFO) { 8218e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, 8228e84c258SEugene Krasnikov "mac bss changed dtim period %d\n", 8238e84c258SEugene Krasnikov bss_conf->dtim_period); 8248e84c258SEugene Krasnikov 8258e84c258SEugene Krasnikov vif_priv->dtim_period = bss_conf->dtim_period; 8268e84c258SEugene Krasnikov } 8278e84c258SEugene Krasnikov 8288e84c258SEugene Krasnikov if (changed & BSS_CHANGED_BSSID) { 8298e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "mac bss changed_bssid %pM\n", 8308e84c258SEugene Krasnikov bss_conf->bssid); 8318e84c258SEugene Krasnikov 8328e84c258SEugene Krasnikov if (!is_zero_ether_addr(bss_conf->bssid)) { 8338e84c258SEugene Krasnikov vif_priv->is_joining = true; 83490023c03SPontus Fuchs vif_priv->bss_index = WCN36XX_HAL_BSS_INVALID_IDX; 8352a46c829SDaniel Mack wcn36xx_smd_set_link_st(wcn, bss_conf->bssid, vif->addr, 8362a46c829SDaniel Mack WCN36XX_HAL_LINK_PREASSOC_STATE); 8378e84c258SEugene Krasnikov wcn36xx_smd_join(wcn, bss_conf->bssid, 8388e84c258SEugene Krasnikov vif->addr, WCN36XX_HW_CHANNEL(wcn)); 8398e84c258SEugene Krasnikov wcn36xx_smd_config_bss(wcn, vif, NULL, 8408e84c258SEugene Krasnikov bss_conf->bssid, false); 8418e84c258SEugene Krasnikov } else { 8428e84c258SEugene Krasnikov vif_priv->is_joining = false; 8438e84c258SEugene Krasnikov wcn36xx_smd_delete_bss(wcn, vif); 8442a46c829SDaniel Mack wcn36xx_smd_set_link_st(wcn, bss_conf->bssid, vif->addr, 8452a46c829SDaniel Mack WCN36XX_HAL_LINK_IDLE_STATE); 8462716a8acSPontus Fuchs vif_priv->encrypt_type = WCN36XX_HAL_ED_NONE; 8478e84c258SEugene Krasnikov } 8488e84c258SEugene Krasnikov } 8498e84c258SEugene Krasnikov 8508e84c258SEugene Krasnikov if (changed & BSS_CHANGED_SSID) { 8518e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, 8528e84c258SEugene Krasnikov "mac bss changed ssid\n"); 8538e84c258SEugene Krasnikov wcn36xx_dbg_dump(WCN36XX_DBG_MAC, "ssid ", 8548e84c258SEugene Krasnikov bss_conf->ssid, bss_conf->ssid_len); 8558e84c258SEugene Krasnikov 8568e84c258SEugene Krasnikov vif_priv->ssid.length = bss_conf->ssid_len; 8578e84c258SEugene Krasnikov memcpy(&vif_priv->ssid.ssid, 8588e84c258SEugene Krasnikov bss_conf->ssid, 8598e84c258SEugene Krasnikov bss_conf->ssid_len); 8608e84c258SEugene Krasnikov } 8618e84c258SEugene Krasnikov 8628e84c258SEugene Krasnikov if (changed & BSS_CHANGED_ASSOC) { 8638e84c258SEugene Krasnikov vif_priv->is_joining = false; 8648e84c258SEugene Krasnikov if (bss_conf->assoc) { 8658e84c258SEugene Krasnikov struct ieee80211_sta *sta; 8668e84c258SEugene Krasnikov struct wcn36xx_sta *sta_priv; 8678e84c258SEugene Krasnikov 8688e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, 8698e84c258SEugene Krasnikov "mac assoc bss %pM vif %pM AID=%d\n", 8708e84c258SEugene Krasnikov bss_conf->bssid, 8718e84c258SEugene Krasnikov vif->addr, 8728e84c258SEugene Krasnikov bss_conf->aid); 8738e84c258SEugene Krasnikov 874043ce546SPontus Fuchs vif_priv->sta_assoc = true; 87539efc7ccSBjorn Andersson 87639efc7ccSBjorn Andersson /* 87739efc7ccSBjorn Andersson * Holding conf_mutex ensures mutal exclusion with 87839efc7ccSBjorn Andersson * wcn36xx_sta_remove() and as such ensures that sta 87939efc7ccSBjorn Andersson * won't be freed while we're operating on it. As such 88039efc7ccSBjorn Andersson * we do not need to hold the rcu_read_lock(). 88139efc7ccSBjorn Andersson */ 8828e84c258SEugene Krasnikov sta = ieee80211_find_sta(vif, bss_conf->bssid); 8838e84c258SEugene Krasnikov if (!sta) { 8848e84c258SEugene Krasnikov wcn36xx_err("sta %pM is not found\n", 8858e84c258SEugene Krasnikov bss_conf->bssid); 8868e84c258SEugene Krasnikov goto out; 8878e84c258SEugene Krasnikov } 888a92e4696SPontus Fuchs sta_priv = wcn36xx_sta_to_priv(sta); 8898e84c258SEugene Krasnikov 8908e84c258SEugene Krasnikov wcn36xx_update_allowed_rates(sta, WCN36XX_BAND(wcn)); 8918e84c258SEugene Krasnikov 8928e84c258SEugene Krasnikov wcn36xx_smd_set_link_st(wcn, bss_conf->bssid, 8938e84c258SEugene Krasnikov vif->addr, 8948e84c258SEugene Krasnikov WCN36XX_HAL_LINK_POSTASSOC_STATE); 8958e84c258SEugene Krasnikov wcn36xx_smd_config_bss(wcn, vif, sta, 8968e84c258SEugene Krasnikov bss_conf->bssid, 8978e84c258SEugene Krasnikov true); 8988e84c258SEugene Krasnikov sta_priv->aid = bss_conf->aid; 8998e84c258SEugene Krasnikov /* 9008e84c258SEugene Krasnikov * config_sta must be called from because this is the 9018e84c258SEugene Krasnikov * place where AID is available. 9028e84c258SEugene Krasnikov */ 9038e84c258SEugene Krasnikov wcn36xx_smd_config_sta(wcn, vif, sta); 9048e84c258SEugene Krasnikov } else { 9058e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, 9068e84c258SEugene Krasnikov "disassociated bss %pM vif %pM AID=%d\n", 9078e84c258SEugene Krasnikov bss_conf->bssid, 9088e84c258SEugene Krasnikov vif->addr, 9098e84c258SEugene Krasnikov bss_conf->aid); 910043ce546SPontus Fuchs vif_priv->sta_assoc = false; 911c6522a50SLoic Poulain vif_priv->allow_bmps = false; 9128e84c258SEugene Krasnikov wcn36xx_smd_set_link_st(wcn, 9138e84c258SEugene Krasnikov bss_conf->bssid, 9148e84c258SEugene Krasnikov vif->addr, 9158e84c258SEugene Krasnikov WCN36XX_HAL_LINK_IDLE_STATE); 9168e84c258SEugene Krasnikov } 9178e84c258SEugene Krasnikov } 9188e84c258SEugene Krasnikov 9198e84c258SEugene Krasnikov if (changed & BSS_CHANGED_AP_PROBE_RESP) { 9208e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "mac bss changed ap probe resp\n"); 9218e84c258SEugene Krasnikov skb = ieee80211_proberesp_get(hw, vif); 9228e84c258SEugene Krasnikov if (!skb) { 9238e84c258SEugene Krasnikov wcn36xx_err("failed to alloc probereq skb\n"); 9248e84c258SEugene Krasnikov goto out; 9258e84c258SEugene Krasnikov } 9268e84c258SEugene Krasnikov 9278e84c258SEugene Krasnikov wcn36xx_smd_update_proberesp_tmpl(wcn, vif, skb); 9288e84c258SEugene Krasnikov dev_kfree_skb(skb); 9298e84c258SEugene Krasnikov } 9308e84c258SEugene Krasnikov 931b3e3f871SChun-Yeow Yeoh if (changed & BSS_CHANGED_BEACON_ENABLED || 932b3e3f871SChun-Yeow Yeoh changed & BSS_CHANGED_BEACON) { 9338e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, 9348e84c258SEugene Krasnikov "mac bss changed beacon enabled %d\n", 9358e84c258SEugene Krasnikov bss_conf->enable_beacon); 9368e84c258SEugene Krasnikov 9378e84c258SEugene Krasnikov if (bss_conf->enable_beacon) { 938908628dbSPontus Fuchs vif_priv->dtim_period = bss_conf->dtim_period; 93990023c03SPontus Fuchs vif_priv->bss_index = WCN36XX_HAL_BSS_INVALID_IDX; 9408e84c258SEugene Krasnikov wcn36xx_smd_config_bss(wcn, vif, NULL, 9418e84c258SEugene Krasnikov vif->addr, false); 9428e84c258SEugene Krasnikov skb = ieee80211_beacon_get_tim(hw, vif, &tim_off, 9438e84c258SEugene Krasnikov &tim_len); 9448e84c258SEugene Krasnikov if (!skb) { 9458e84c258SEugene Krasnikov wcn36xx_err("failed to alloc beacon skb\n"); 9468e84c258SEugene Krasnikov goto out; 9478e84c258SEugene Krasnikov } 9488e84c258SEugene Krasnikov wcn36xx_smd_send_beacon(wcn, vif, skb, tim_off, 0); 9498e84c258SEugene Krasnikov dev_kfree_skb(skb); 9508e84c258SEugene Krasnikov 9518e84c258SEugene Krasnikov if (vif->type == NL80211_IFTYPE_ADHOC || 9528e84c258SEugene Krasnikov vif->type == NL80211_IFTYPE_MESH_POINT) 9538e84c258SEugene Krasnikov link_state = WCN36XX_HAL_LINK_IBSS_STATE; 9548e84c258SEugene Krasnikov else 9558e84c258SEugene Krasnikov link_state = WCN36XX_HAL_LINK_AP_STATE; 9568e84c258SEugene Krasnikov 9578e84c258SEugene Krasnikov wcn36xx_smd_set_link_st(wcn, vif->addr, vif->addr, 9588e84c258SEugene Krasnikov link_state); 9598e84c258SEugene Krasnikov } else { 9605443918dSBjorn Andersson wcn36xx_smd_delete_bss(wcn, vif); 9618e84c258SEugene Krasnikov wcn36xx_smd_set_link_st(wcn, vif->addr, vif->addr, 9628e84c258SEugene Krasnikov WCN36XX_HAL_LINK_IDLE_STATE); 9638e84c258SEugene Krasnikov } 9648e84c258SEugene Krasnikov } 9658e84c258SEugene Krasnikov out: 96639efc7ccSBjorn Andersson 96739efc7ccSBjorn Andersson mutex_unlock(&wcn->conf_mutex); 9688e84c258SEugene Krasnikov } 9698e84c258SEugene Krasnikov 9708e84c258SEugene Krasnikov /* this is required when using IEEE80211_HW_HAS_RATE_CONTROL */ 9718e84c258SEugene Krasnikov static int wcn36xx_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 9728e84c258SEugene Krasnikov { 9738e84c258SEugene Krasnikov struct wcn36xx *wcn = hw->priv; 9748e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "mac set RTS threshold %d\n", value); 9758e84c258SEugene Krasnikov 97639efc7ccSBjorn Andersson mutex_lock(&wcn->conf_mutex); 9778e84c258SEugene Krasnikov wcn36xx_smd_update_cfg(wcn, WCN36XX_HAL_CFG_RTS_THRESHOLD, value); 97839efc7ccSBjorn Andersson mutex_unlock(&wcn->conf_mutex); 97939efc7ccSBjorn Andersson 9808e84c258SEugene Krasnikov return 0; 9818e84c258SEugene Krasnikov } 9828e84c258SEugene Krasnikov 9838e84c258SEugene Krasnikov static void wcn36xx_remove_interface(struct ieee80211_hw *hw, 9848e84c258SEugene Krasnikov struct ieee80211_vif *vif) 9858e84c258SEugene Krasnikov { 9868e84c258SEugene Krasnikov struct wcn36xx *wcn = hw->priv; 987ce75877fSPontus Fuchs struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif); 9888e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "mac remove interface vif %p\n", vif); 9898e84c258SEugene Krasnikov 99039efc7ccSBjorn Andersson mutex_lock(&wcn->conf_mutex); 99139efc7ccSBjorn Andersson 9928e84c258SEugene Krasnikov list_del(&vif_priv->list); 9938e84c258SEugene Krasnikov wcn36xx_smd_delete_sta_self(wcn, vif->addr); 99439efc7ccSBjorn Andersson 99539efc7ccSBjorn Andersson mutex_unlock(&wcn->conf_mutex); 9968e84c258SEugene Krasnikov } 9978e84c258SEugene Krasnikov 9988e84c258SEugene Krasnikov static int wcn36xx_add_interface(struct ieee80211_hw *hw, 9998e84c258SEugene Krasnikov struct ieee80211_vif *vif) 10008e84c258SEugene Krasnikov { 10018e84c258SEugene Krasnikov struct wcn36xx *wcn = hw->priv; 1002ce75877fSPontus Fuchs struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif); 10038e84c258SEugene Krasnikov 10048e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "mac add interface vif %p type %d\n", 10058e84c258SEugene Krasnikov vif, vif->type); 10068e84c258SEugene Krasnikov 10078e84c258SEugene Krasnikov if (!(NL80211_IFTYPE_STATION == vif->type || 10088e84c258SEugene Krasnikov NL80211_IFTYPE_AP == vif->type || 10098e84c258SEugene Krasnikov NL80211_IFTYPE_ADHOC == vif->type || 10108e84c258SEugene Krasnikov NL80211_IFTYPE_MESH_POINT == vif->type)) { 10118e84c258SEugene Krasnikov wcn36xx_warn("Unsupported interface type requested: %d\n", 10128e84c258SEugene Krasnikov vif->type); 10138e84c258SEugene Krasnikov return -EOPNOTSUPP; 10148e84c258SEugene Krasnikov } 10158e84c258SEugene Krasnikov 101639efc7ccSBjorn Andersson mutex_lock(&wcn->conf_mutex); 101739efc7ccSBjorn Andersson 10182edfcf2bSDaniel Mack vif_priv->bss_index = WCN36XX_HAL_BSS_INVALID_IDX; 1019e3160542SLoic Poulain INIT_LIST_HEAD(&vif_priv->sta_list); 10208e84c258SEugene Krasnikov list_add(&vif_priv->list, &wcn->vif_list); 10218e84c258SEugene Krasnikov wcn36xx_smd_add_sta_self(wcn, vif); 10228e84c258SEugene Krasnikov 102339efc7ccSBjorn Andersson mutex_unlock(&wcn->conf_mutex); 102439efc7ccSBjorn Andersson 10258e84c258SEugene Krasnikov return 0; 10268e84c258SEugene Krasnikov } 10278e84c258SEugene Krasnikov 10288e84c258SEugene Krasnikov static int wcn36xx_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 10298e84c258SEugene Krasnikov struct ieee80211_sta *sta) 10308e84c258SEugene Krasnikov { 10318e84c258SEugene Krasnikov struct wcn36xx *wcn = hw->priv; 1032ce75877fSPontus Fuchs struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif); 1033a92e4696SPontus Fuchs struct wcn36xx_sta *sta_priv = wcn36xx_sta_to_priv(sta); 10348e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "mac sta add vif %p sta %pM\n", 10358e84c258SEugene Krasnikov vif, sta->addr); 10368e84c258SEugene Krasnikov 103739efc7ccSBjorn Andersson mutex_lock(&wcn->conf_mutex); 103839efc7ccSBjorn Andersson 1039e26dc173SBob Copeland spin_lock_init(&sta_priv->ampdu_lock); 10408e84c258SEugene Krasnikov sta_priv->vif = vif_priv; 1041e3160542SLoic Poulain list_add(&sta_priv->list, &vif_priv->sta_list); 1042e3160542SLoic Poulain 10438e84c258SEugene Krasnikov /* 10448e84c258SEugene Krasnikov * For STA mode HW will be configured on BSS_CHANGED_ASSOC because 10458e84c258SEugene Krasnikov * at this stage AID is not available yet. 10468e84c258SEugene Krasnikov */ 10478e84c258SEugene Krasnikov if (NL80211_IFTYPE_STATION != vif->type) { 10488e84c258SEugene Krasnikov wcn36xx_update_allowed_rates(sta, WCN36XX_BAND(wcn)); 10498e84c258SEugene Krasnikov sta_priv->aid = sta->aid; 10508e84c258SEugene Krasnikov wcn36xx_smd_config_sta(wcn, vif, sta); 10518e84c258SEugene Krasnikov } 105239efc7ccSBjorn Andersson 105339efc7ccSBjorn Andersson mutex_unlock(&wcn->conf_mutex); 105439efc7ccSBjorn Andersson 10558e84c258SEugene Krasnikov return 0; 10568e84c258SEugene Krasnikov } 10578e84c258SEugene Krasnikov 10588e84c258SEugene Krasnikov static int wcn36xx_sta_remove(struct ieee80211_hw *hw, 10598e84c258SEugene Krasnikov struct ieee80211_vif *vif, 10608e84c258SEugene Krasnikov struct ieee80211_sta *sta) 10618e84c258SEugene Krasnikov { 10628e84c258SEugene Krasnikov struct wcn36xx *wcn = hw->priv; 1063a92e4696SPontus Fuchs struct wcn36xx_sta *sta_priv = wcn36xx_sta_to_priv(sta); 10648e84c258SEugene Krasnikov 10658e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "mac sta remove vif %p sta %pM index %d\n", 10668e84c258SEugene Krasnikov vif, sta->addr, sta_priv->sta_index); 10678e84c258SEugene Krasnikov 106839efc7ccSBjorn Andersson mutex_lock(&wcn->conf_mutex); 106939efc7ccSBjorn Andersson 1070e3160542SLoic Poulain list_del(&sta_priv->list); 10718e84c258SEugene Krasnikov wcn36xx_smd_delete_sta(wcn, sta_priv->sta_index); 10728e84c258SEugene Krasnikov sta_priv->vif = NULL; 107339efc7ccSBjorn Andersson 107439efc7ccSBjorn Andersson mutex_unlock(&wcn->conf_mutex); 107539efc7ccSBjorn Andersson 10768e84c258SEugene Krasnikov return 0; 10778e84c258SEugene Krasnikov } 10788e84c258SEugene Krasnikov 10798e84c258SEugene Krasnikov #ifdef CONFIG_PM 10808e84c258SEugene Krasnikov 10818e84c258SEugene Krasnikov static int wcn36xx_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wow) 10828e84c258SEugene Krasnikov { 10838e84c258SEugene Krasnikov struct wcn36xx *wcn = hw->priv; 10848e84c258SEugene Krasnikov 10858e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "mac suspend\n"); 10868e84c258SEugene Krasnikov 10878e84c258SEugene Krasnikov flush_workqueue(wcn->hal_ind_wq); 10888e84c258SEugene Krasnikov wcn36xx_smd_set_power_params(wcn, true); 10898e84c258SEugene Krasnikov return 0; 10908e84c258SEugene Krasnikov } 10918e84c258SEugene Krasnikov 10928e84c258SEugene Krasnikov static int wcn36xx_resume(struct ieee80211_hw *hw) 10938e84c258SEugene Krasnikov { 10948e84c258SEugene Krasnikov struct wcn36xx *wcn = hw->priv; 10958e84c258SEugene Krasnikov 10968e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "mac resume\n"); 10978e84c258SEugene Krasnikov 10988e84c258SEugene Krasnikov flush_workqueue(wcn->hal_ind_wq); 10998e84c258SEugene Krasnikov wcn36xx_smd_set_power_params(wcn, false); 11008e84c258SEugene Krasnikov return 0; 11018e84c258SEugene Krasnikov } 11028e84c258SEugene Krasnikov 11038e84c258SEugene Krasnikov #endif 11048e84c258SEugene Krasnikov 11058e84c258SEugene Krasnikov static int wcn36xx_ampdu_action(struct ieee80211_hw *hw, 11068e84c258SEugene Krasnikov struct ieee80211_vif *vif, 110750ea05efSSara Sharon struct ieee80211_ampdu_params *params) 11088e84c258SEugene Krasnikov { 11098e84c258SEugene Krasnikov struct wcn36xx *wcn = hw->priv; 1110a92e4696SPontus Fuchs struct wcn36xx_sta *sta_priv = wcn36xx_sta_to_priv(params->sta); 111150ea05efSSara Sharon struct ieee80211_sta *sta = params->sta; 111250ea05efSSara Sharon enum ieee80211_ampdu_mlme_action action = params->action; 111350ea05efSSara Sharon u16 tid = params->tid; 111450ea05efSSara Sharon u16 *ssn = ¶ms->ssn; 11152ce113deSJohannes Berg int ret = 0; 1116ffe835aaSLoic Poulain u8 session; 11178e84c258SEugene Krasnikov 11188e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "mac ampdu action action %d tid %d\n", 11198e84c258SEugene Krasnikov action, tid); 11208e84c258SEugene Krasnikov 112139efc7ccSBjorn Andersson mutex_lock(&wcn->conf_mutex); 112239efc7ccSBjorn Andersson 11238e84c258SEugene Krasnikov switch (action) { 11248e84c258SEugene Krasnikov case IEEE80211_AMPDU_RX_START: 11258e84c258SEugene Krasnikov sta_priv->tid = tid; 1126ffe835aaSLoic Poulain session = wcn36xx_smd_add_ba_session(wcn, sta, tid, ssn, 0, 11278e84c258SEugene Krasnikov get_sta_index(vif, sta_priv)); 1128ffe835aaSLoic Poulain wcn36xx_smd_add_ba(wcn, session); 1129ffe835aaSLoic Poulain wcn36xx_smd_trigger_ba(wcn, get_sta_index(vif, sta_priv), tid, 1130ffe835aaSLoic Poulain session); 11318e84c258SEugene Krasnikov break; 11328e84c258SEugene Krasnikov case IEEE80211_AMPDU_RX_STOP: 11338e84c258SEugene Krasnikov wcn36xx_smd_del_ba(wcn, tid, get_sta_index(vif, sta_priv)); 11348e84c258SEugene Krasnikov break; 11358e84c258SEugene Krasnikov case IEEE80211_AMPDU_TX_START: 1136e26dc173SBob Copeland spin_lock_bh(&sta_priv->ampdu_lock); 1137e26dc173SBob Copeland sta_priv->ampdu_state[tid] = WCN36XX_AMPDU_START; 1138e26dc173SBob Copeland spin_unlock_bh(&sta_priv->ampdu_lock); 1139e26dc173SBob Copeland 11402ce113deSJohannes Berg ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; 11418e84c258SEugene Krasnikov break; 11428e84c258SEugene Krasnikov case IEEE80211_AMPDU_TX_OPERATIONAL: 1143e26dc173SBob Copeland spin_lock_bh(&sta_priv->ampdu_lock); 1144e26dc173SBob Copeland sta_priv->ampdu_state[tid] = WCN36XX_AMPDU_OPERATIONAL; 1145e26dc173SBob Copeland spin_unlock_bh(&sta_priv->ampdu_lock); 1146e26dc173SBob Copeland 11478e84c258SEugene Krasnikov wcn36xx_smd_add_ba_session(wcn, sta, tid, ssn, 1, 11488e84c258SEugene Krasnikov get_sta_index(vif, sta_priv)); 11498e84c258SEugene Krasnikov break; 11508e84c258SEugene Krasnikov case IEEE80211_AMPDU_TX_STOP_FLUSH: 11518e84c258SEugene Krasnikov case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 11528e84c258SEugene Krasnikov case IEEE80211_AMPDU_TX_STOP_CONT: 1153e26dc173SBob Copeland spin_lock_bh(&sta_priv->ampdu_lock); 1154e26dc173SBob Copeland sta_priv->ampdu_state[tid] = WCN36XX_AMPDU_NONE; 1155e26dc173SBob Copeland spin_unlock_bh(&sta_priv->ampdu_lock); 1156e26dc173SBob Copeland 11578e84c258SEugene Krasnikov ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 11588e84c258SEugene Krasnikov break; 11598e84c258SEugene Krasnikov default: 11608e84c258SEugene Krasnikov wcn36xx_err("Unknown AMPDU action\n"); 11618e84c258SEugene Krasnikov } 11628e84c258SEugene Krasnikov 116339efc7ccSBjorn Andersson mutex_unlock(&wcn->conf_mutex); 116439efc7ccSBjorn Andersson 11652ce113deSJohannes Berg return ret; 11668e84c258SEugene Krasnikov } 11678e84c258SEugene Krasnikov 11688e84c258SEugene Krasnikov static const struct ieee80211_ops wcn36xx_ops = { 11698e84c258SEugene Krasnikov .start = wcn36xx_start, 11708e84c258SEugene Krasnikov .stop = wcn36xx_stop, 11718e84c258SEugene Krasnikov .add_interface = wcn36xx_add_interface, 11728e84c258SEugene Krasnikov .remove_interface = wcn36xx_remove_interface, 11738e84c258SEugene Krasnikov #ifdef CONFIG_PM 11748e84c258SEugene Krasnikov .suspend = wcn36xx_suspend, 11758e84c258SEugene Krasnikov .resume = wcn36xx_resume, 11768e84c258SEugene Krasnikov #endif 11778e84c258SEugene Krasnikov .config = wcn36xx_config, 117820a779edSPontus Fuchs .prepare_multicast = wcn36xx_prepare_multicast, 11798e84c258SEugene Krasnikov .configure_filter = wcn36xx_configure_filter, 11808e84c258SEugene Krasnikov .tx = wcn36xx_tx, 11818e84c258SEugene Krasnikov .set_key = wcn36xx_set_key, 118288603903SBjorn Andersson .hw_scan = wcn36xx_hw_scan, 118303c95dbeSBjorn Andersson .cancel_hw_scan = wcn36xx_cancel_hw_scan, 11845973a294SLoic Poulain .sw_scan_start = wcn36xx_sw_scan_start, 11855973a294SLoic Poulain .sw_scan_complete = wcn36xx_sw_scan_complete, 11868e84c258SEugene Krasnikov .bss_info_changed = wcn36xx_bss_info_changed, 11878e84c258SEugene Krasnikov .set_rts_threshold = wcn36xx_set_rts_threshold, 11888e84c258SEugene Krasnikov .sta_add = wcn36xx_sta_add, 11898e84c258SEugene Krasnikov .sta_remove = wcn36xx_sta_remove, 11908e84c258SEugene Krasnikov .ampdu_action = wcn36xx_ampdu_action, 119187f825e6SEyal Ilsar 119287f825e6SEyal Ilsar CFG80211_TESTMODE_CMD(wcn36xx_tm_cmd) 11938e84c258SEugene Krasnikov }; 11948e84c258SEugene Krasnikov 11958e84c258SEugene Krasnikov static int wcn36xx_init_ieee80211(struct wcn36xx *wcn) 11968e84c258SEugene Krasnikov { 11978e84c258SEugene Krasnikov static const u32 cipher_suites[] = { 11988e84c258SEugene Krasnikov WLAN_CIPHER_SUITE_WEP40, 11998e84c258SEugene Krasnikov WLAN_CIPHER_SUITE_WEP104, 12008e84c258SEugene Krasnikov WLAN_CIPHER_SUITE_TKIP, 12018e84c258SEugene Krasnikov WLAN_CIPHER_SUITE_CCMP, 12028e84c258SEugene Krasnikov }; 12038e84c258SEugene Krasnikov 120430686bf7SJohannes Berg ieee80211_hw_set(wcn->hw, TIMING_BEACON_ONLY); 120530686bf7SJohannes Berg ieee80211_hw_set(wcn->hw, AMPDU_AGGREGATION); 120630686bf7SJohannes Berg ieee80211_hw_set(wcn->hw, SUPPORTS_PS); 120730686bf7SJohannes Berg ieee80211_hw_set(wcn->hw, SIGNAL_DBM); 120830686bf7SJohannes Berg ieee80211_hw_set(wcn->hw, HAS_RATE_CONTROL); 120988603903SBjorn Andersson ieee80211_hw_set(wcn->hw, SINGLE_SCAN_ON_ALL_BANDS); 1210fdf21cc3SLoic Poulain ieee80211_hw_set(wcn->hw, REPORTS_TX_ACK_STATUS); 12118e84c258SEugene Krasnikov 12128e84c258SEugene Krasnikov wcn->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 12138e84c258SEugene Krasnikov BIT(NL80211_IFTYPE_AP) | 12148e84c258SEugene Krasnikov BIT(NL80211_IFTYPE_ADHOC) | 12158e84c258SEugene Krasnikov BIT(NL80211_IFTYPE_MESH_POINT); 12168e84c258SEugene Krasnikov 121757fbcce3SJohannes Berg wcn->hw->wiphy->bands[NL80211_BAND_2GHZ] = &wcn_band_2ghz; 1218fd52bdaeSLoic Poulain if (wcn->rf_id != RF_IRIS_WCN3620) 121957fbcce3SJohannes Berg wcn->hw->wiphy->bands[NL80211_BAND_5GHZ] = &wcn_band_5ghz; 12208e84c258SEugene Krasnikov 122188603903SBjorn Andersson wcn->hw->wiphy->max_scan_ssids = WCN36XX_MAX_SCAN_SSIDS; 122288603903SBjorn Andersson wcn->hw->wiphy->max_scan_ie_len = WCN36XX_MAX_SCAN_IE_LEN; 122388603903SBjorn Andersson 12248e84c258SEugene Krasnikov wcn->hw->wiphy->cipher_suites = cipher_suites; 12258e84c258SEugene Krasnikov wcn->hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); 12268e84c258SEugene Krasnikov 12278e84c258SEugene Krasnikov #ifdef CONFIG_PM 12288e84c258SEugene Krasnikov wcn->hw->wiphy->wowlan = &wowlan_support; 12298e84c258SEugene Krasnikov #endif 12308e84c258SEugene Krasnikov 12318e84c258SEugene Krasnikov wcn->hw->max_listen_interval = 200; 12328e84c258SEugene Krasnikov 12338e84c258SEugene Krasnikov wcn->hw->queues = 4; 12348e84c258SEugene Krasnikov 12358e84c258SEugene Krasnikov SET_IEEE80211_DEV(wcn->hw, wcn->dev); 12368e84c258SEugene Krasnikov 12378e84c258SEugene Krasnikov wcn->hw->sta_data_size = sizeof(struct wcn36xx_sta); 12388e84c258SEugene Krasnikov wcn->hw->vif_data_size = sizeof(struct wcn36xx_vif); 12398e84c258SEugene Krasnikov 1240ae44b502SAndrew Zaborowski wiphy_ext_feature_set(wcn->hw->wiphy, 1241ae44b502SAndrew Zaborowski NL80211_EXT_FEATURE_CQM_RSSI_LIST); 1242ae44b502SAndrew Zaborowski 1243f0eea277SDaniel Mack return 0; 12448e84c258SEugene Krasnikov } 12458e84c258SEugene Krasnikov 12468e84c258SEugene Krasnikov static int wcn36xx_platform_get_resources(struct wcn36xx *wcn, 12478e84c258SEugene Krasnikov struct platform_device *pdev) 12488e84c258SEugene Krasnikov { 124905ddce49SBjorn Andersson struct device_node *mmio_node; 1250fd52bdaeSLoic Poulain struct device_node *iris_node; 12518e84c258SEugene Krasnikov struct resource *res; 125205ddce49SBjorn Andersson int index; 125305ddce49SBjorn Andersson int ret; 125405ddce49SBjorn Andersson 12558e84c258SEugene Krasnikov /* Set TX IRQ */ 1256f303a931SBjorn Andersson res = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "tx"); 12578e84c258SEugene Krasnikov if (!res) { 12588e84c258SEugene Krasnikov wcn36xx_err("failed to get tx_irq\n"); 12598e84c258SEugene Krasnikov return -ENOENT; 12608e84c258SEugene Krasnikov } 12618e84c258SEugene Krasnikov wcn->tx_irq = res->start; 12628e84c258SEugene Krasnikov 12638e84c258SEugene Krasnikov /* Set RX IRQ */ 1264f303a931SBjorn Andersson res = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "rx"); 12658e84c258SEugene Krasnikov if (!res) { 12668e84c258SEugene Krasnikov wcn36xx_err("failed to get rx_irq\n"); 12678e84c258SEugene Krasnikov return -ENOENT; 12688e84c258SEugene Krasnikov } 12698e84c258SEugene Krasnikov wcn->rx_irq = res->start; 12708e84c258SEugene Krasnikov 1271f303a931SBjorn Andersson /* Acquire SMSM tx enable handle */ 1272f303a931SBjorn Andersson wcn->tx_enable_state = qcom_smem_state_get(&pdev->dev, 1273f303a931SBjorn Andersson "tx-enable", &wcn->tx_enable_state_bit); 1274f303a931SBjorn Andersson if (IS_ERR(wcn->tx_enable_state)) { 1275f303a931SBjorn Andersson wcn36xx_err("failed to get tx-enable state\n"); 1276f303a931SBjorn Andersson return PTR_ERR(wcn->tx_enable_state); 1277f303a931SBjorn Andersson } 1278f303a931SBjorn Andersson 1279f303a931SBjorn Andersson /* Acquire SMSM tx rings empty handle */ 1280f303a931SBjorn Andersson wcn->tx_rings_empty_state = qcom_smem_state_get(&pdev->dev, 1281f303a931SBjorn Andersson "tx-rings-empty", &wcn->tx_rings_empty_state_bit); 1282f303a931SBjorn Andersson if (IS_ERR(wcn->tx_rings_empty_state)) { 1283f303a931SBjorn Andersson wcn36xx_err("failed to get tx-rings-empty state\n"); 1284f303a931SBjorn Andersson return PTR_ERR(wcn->tx_rings_empty_state); 1285f303a931SBjorn Andersson } 1286f303a931SBjorn Andersson 128705ddce49SBjorn Andersson mmio_node = of_parse_phandle(pdev->dev.parent->of_node, "qcom,mmio", 0); 128805ddce49SBjorn Andersson if (!mmio_node) { 128905ddce49SBjorn Andersson wcn36xx_err("failed to acquire qcom,mmio reference\n"); 129005ddce49SBjorn Andersson return -EINVAL; 12918e84c258SEugene Krasnikov } 129205ddce49SBjorn Andersson 12936f10b4e1SBjorn Andersson wcn->is_pronto = !!of_device_is_compatible(mmio_node, "qcom,pronto"); 12946f10b4e1SBjorn Andersson 129505ddce49SBjorn Andersson /* Map the CCU memory */ 129605ddce49SBjorn Andersson index = of_property_match_string(mmio_node, "reg-names", "ccu"); 129705ddce49SBjorn Andersson wcn->ccu_base = of_iomap(mmio_node, index); 129805ddce49SBjorn Andersson if (!wcn->ccu_base) { 129905ddce49SBjorn Andersson wcn36xx_err("failed to map ccu memory\n"); 130005ddce49SBjorn Andersson ret = -ENOMEM; 130105ddce49SBjorn Andersson goto put_mmio_node; 13028e84c258SEugene Krasnikov } 130305ddce49SBjorn Andersson 130405ddce49SBjorn Andersson /* Map the DXE memory */ 130505ddce49SBjorn Andersson index = of_property_match_string(mmio_node, "reg-names", "dxe"); 130605ddce49SBjorn Andersson wcn->dxe_base = of_iomap(mmio_node, index); 130705ddce49SBjorn Andersson if (!wcn->dxe_base) { 130805ddce49SBjorn Andersson wcn36xx_err("failed to map dxe memory\n"); 130905ddce49SBjorn Andersson ret = -ENOMEM; 131005ddce49SBjorn Andersson goto unmap_ccu; 131105ddce49SBjorn Andersson } 131205ddce49SBjorn Andersson 1313fd52bdaeSLoic Poulain /* External RF module */ 13141967c128SJohan Hovold iris_node = of_get_child_by_name(mmio_node, "iris"); 1315fd52bdaeSLoic Poulain if (iris_node) { 1316fd52bdaeSLoic Poulain if (of_device_is_compatible(iris_node, "qcom,wcn3620")) 1317fd52bdaeSLoic Poulain wcn->rf_id = RF_IRIS_WCN3620; 13188490987bSBryan O'Donoghue if (of_device_is_compatible(iris_node, "qcom,wcn3680")) 13198490987bSBryan O'Donoghue wcn->rf_id = RF_IRIS_WCN3680; 1320fd52bdaeSLoic Poulain of_node_put(iris_node); 1321fd52bdaeSLoic Poulain } 1322fd52bdaeSLoic Poulain 132305ddce49SBjorn Andersson of_node_put(mmio_node); 13248e84c258SEugene Krasnikov return 0; 132505ddce49SBjorn Andersson 132605ddce49SBjorn Andersson unmap_ccu: 132705ddce49SBjorn Andersson iounmap(wcn->ccu_base); 132805ddce49SBjorn Andersson put_mmio_node: 132905ddce49SBjorn Andersson of_node_put(mmio_node); 133005ddce49SBjorn Andersson return ret; 13318e84c258SEugene Krasnikov } 13328e84c258SEugene Krasnikov 13338e84c258SEugene Krasnikov static int wcn36xx_probe(struct platform_device *pdev) 13348e84c258SEugene Krasnikov { 13358e84c258SEugene Krasnikov struct ieee80211_hw *hw; 13368e84c258SEugene Krasnikov struct wcn36xx *wcn; 1337f303a931SBjorn Andersson void *wcnss; 13388e84c258SEugene Krasnikov int ret; 1339f303a931SBjorn Andersson const u8 *addr; 13408e84c258SEugene Krasnikov 13418e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "platform probe\n"); 13428e84c258SEugene Krasnikov 1343f303a931SBjorn Andersson wcnss = dev_get_drvdata(pdev->dev.parent); 1344f303a931SBjorn Andersson 13458e84c258SEugene Krasnikov hw = ieee80211_alloc_hw(sizeof(struct wcn36xx), &wcn36xx_ops); 13468e84c258SEugene Krasnikov if (!hw) { 13478e84c258SEugene Krasnikov wcn36xx_err("failed to alloc hw\n"); 13488e84c258SEugene Krasnikov ret = -ENOMEM; 13498e84c258SEugene Krasnikov goto out_err; 13508e84c258SEugene Krasnikov } 13518e84c258SEugene Krasnikov platform_set_drvdata(pdev, hw); 13528e84c258SEugene Krasnikov wcn = hw->priv; 13538e84c258SEugene Krasnikov wcn->hw = hw; 13548e84c258SEugene Krasnikov wcn->dev = &pdev->dev; 13556b8a127bSRamon Fried wcn->first_boot = true; 135639efc7ccSBjorn Andersson mutex_init(&wcn->conf_mutex); 13578e84c258SEugene Krasnikov mutex_init(&wcn->hal_mutex); 135888603903SBjorn Andersson mutex_init(&wcn->scan_lock); 135988603903SBjorn Andersson 136057e06e0eSDaniel Mack ret = dma_set_mask_and_coherent(wcn->dev, DMA_BIT_MASK(32)); 136157e06e0eSDaniel Mack if (ret < 0) { 136257e06e0eSDaniel Mack wcn36xx_err("failed to set DMA mask: %d\n", ret); 136357e06e0eSDaniel Mack goto out_wq; 136457e06e0eSDaniel Mack } 136557e06e0eSDaniel Mack 13665052de8dSBjorn Andersson wcn->smd_channel = qcom_wcnss_open_channel(wcnss, "WLAN_CTRL", wcn36xx_smd_rsp_process, hw); 1367f303a931SBjorn Andersson if (IS_ERR(wcn->smd_channel)) { 1368f303a931SBjorn Andersson wcn36xx_err("failed to open WLAN_CTRL channel\n"); 1369f303a931SBjorn Andersson ret = PTR_ERR(wcn->smd_channel); 1370f303a931SBjorn Andersson goto out_wq; 1371f303a931SBjorn Andersson } 1372f303a931SBjorn Andersson 1373f303a931SBjorn Andersson addr = of_get_property(pdev->dev.of_node, "local-mac-address", &ret); 1374f303a931SBjorn Andersson if (addr && ret != ETH_ALEN) { 1375f303a931SBjorn Andersson wcn36xx_err("invalid local-mac-address\n"); 1376f303a931SBjorn Andersson ret = -EINVAL; 1377a86308fcSChristophe JAILLET goto out_destroy_ept; 1378f303a931SBjorn Andersson } else if (addr) { 13798e84c258SEugene Krasnikov wcn36xx_info("mac address: %pM\n", addr); 13808e84c258SEugene Krasnikov SET_IEEE80211_PERM_ADDR(wcn->hw, addr); 13818e84c258SEugene Krasnikov } 13828e84c258SEugene Krasnikov 13838e84c258SEugene Krasnikov ret = wcn36xx_platform_get_resources(wcn, pdev); 13848e84c258SEugene Krasnikov if (ret) 1385a86308fcSChristophe JAILLET goto out_destroy_ept; 13868e84c258SEugene Krasnikov 13878e84c258SEugene Krasnikov wcn36xx_init_ieee80211(wcn); 13888e84c258SEugene Krasnikov ret = ieee80211_register_hw(wcn->hw); 13898e84c258SEugene Krasnikov if (ret) 13908e84c258SEugene Krasnikov goto out_unmap; 13918e84c258SEugene Krasnikov 13928e84c258SEugene Krasnikov return 0; 13938e84c258SEugene Krasnikov 13948e84c258SEugene Krasnikov out_unmap: 139505ddce49SBjorn Andersson iounmap(wcn->ccu_base); 139605ddce49SBjorn Andersson iounmap(wcn->dxe_base); 1397a86308fcSChristophe JAILLET out_destroy_ept: 1398a86308fcSChristophe JAILLET rpmsg_destroy_ept(wcn->smd_channel); 13998e84c258SEugene Krasnikov out_wq: 14008e84c258SEugene Krasnikov ieee80211_free_hw(hw); 14018e84c258SEugene Krasnikov out_err: 14028e84c258SEugene Krasnikov return ret; 14038e84c258SEugene Krasnikov } 1404f303a931SBjorn Andersson 14058e84c258SEugene Krasnikov static int wcn36xx_remove(struct platform_device *pdev) 14068e84c258SEugene Krasnikov { 14078e84c258SEugene Krasnikov struct ieee80211_hw *hw = platform_get_drvdata(pdev); 14088e84c258SEugene Krasnikov struct wcn36xx *wcn = hw->priv; 14098e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "platform remove\n"); 14108e84c258SEugene Krasnikov 14114bda7fafSPontus Fuchs release_firmware(wcn->nv); 14128e84c258SEugene Krasnikov 14138e84c258SEugene Krasnikov ieee80211_unregister_hw(hw); 1414f303a931SBjorn Andersson 1415f303a931SBjorn Andersson qcom_smem_state_put(wcn->tx_enable_state); 1416f303a931SBjorn Andersson qcom_smem_state_put(wcn->tx_rings_empty_state); 1417f303a931SBjorn Andersson 1418efad8396SBjorn Andersson rpmsg_destroy_ept(wcn->smd_channel); 1419efad8396SBjorn Andersson 142005ddce49SBjorn Andersson iounmap(wcn->dxe_base); 142105ddce49SBjorn Andersson iounmap(wcn->ccu_base); 1422d5362888SBjorn Andersson 1423d5362888SBjorn Andersson mutex_destroy(&wcn->hal_mutex); 14248e84c258SEugene Krasnikov ieee80211_free_hw(hw); 14258e84c258SEugene Krasnikov 14268e84c258SEugene Krasnikov return 0; 14278e84c258SEugene Krasnikov } 1428f303a931SBjorn Andersson 1429f303a931SBjorn Andersson static const struct of_device_id wcn36xx_of_match[] = { 1430f303a931SBjorn Andersson { .compatible = "qcom,wcnss-wlan" }, 14318e84c258SEugene Krasnikov {} 14328e84c258SEugene Krasnikov }; 1433f303a931SBjorn Andersson MODULE_DEVICE_TABLE(of, wcn36xx_of_match); 14348e84c258SEugene Krasnikov 14358e84c258SEugene Krasnikov static struct platform_driver wcn36xx_driver = { 14368e84c258SEugene Krasnikov .probe = wcn36xx_probe, 14378e84c258SEugene Krasnikov .remove = wcn36xx_remove, 14388e84c258SEugene Krasnikov .driver = { 14398e84c258SEugene Krasnikov .name = "wcn36xx", 1440f303a931SBjorn Andersson .of_match_table = wcn36xx_of_match, 14418e84c258SEugene Krasnikov }, 14428e84c258SEugene Krasnikov }; 14438e84c258SEugene Krasnikov 1444f303a931SBjorn Andersson module_platform_driver(wcn36xx_driver); 14458e84c258SEugene Krasnikov 14468e84c258SEugene Krasnikov MODULE_LICENSE("Dual BSD/GPL"); 14478e84c258SEugene Krasnikov MODULE_AUTHOR("Eugene Krasnikov k.eugene.e@gmail.com"); 14488e84c258SEugene Krasnikov MODULE_FIRMWARE(WLAN_NV_FILE); 1449