diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/iwl-fw-file.h | 3 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/d3.c | 3 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/fw-api-d3.h | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h | 29 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c | 41 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/mvm.h | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/ops.c | 22 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/power.c | 33 |
8 files changed, 120 insertions, 14 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-fw-file.h b/drivers/net/wireless/intel/iwlwifi/iwl-fw-file.h index dbf08c493654..5152987c8b8d 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-fw-file.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-fw-file.h @@ -315,6 +315,8 @@ typedef unsigned int __bitwise__ iwl_ucode_tlv_capa_t; * @IWL_UCODE_TLV_CAPA_BT_MPLUT_SUPPORT: supports bt-coex Multi-priority LUT * @IWL_UCODE_TLV_CAPA_BEACON_ANT_SELECTION: firmware will decide on what * antenna the beacon should be transmitted + * @IWL_UCODE_TLV_CAPA_BEACON_STORING: firmware will store the latest beacon + * from AP and will send it upon d0i3 exit. * @IWL_UCODE_TLV_CAPA_LAR_SUPPORT_V2: support LAR API V2 * * @NUM_IWL_UCODE_TLV_CAPA: number of bits used @@ -346,6 +348,7 @@ enum iwl_ucode_tlv_capa { IWL_UCODE_TLV_CAPA_SHORT_PM_TIMEOUTS = (__force iwl_ucode_tlv_capa_t)65, IWL_UCODE_TLV_CAPA_BT_MPLUT_SUPPORT = (__force iwl_ucode_tlv_capa_t)67, IWL_UCODE_TLV_CAPA_BEACON_ANT_SELECTION = (__force iwl_ucode_tlv_capa_t)71, + IWL_UCODE_TLV_CAPA_BEACON_STORING = (__force iwl_ucode_tlv_capa_t)72, IWL_UCODE_TLV_CAPA_LAR_SUPPORT_V2 = (__force iwl_ucode_tlv_capa_t)73, NUM_IWL_UCODE_TLV_CAPA diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c index 78572ef89b26..346376187ef8 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c @@ -853,7 +853,8 @@ iwl_mvm_get_wowlan_config(struct iwl_mvm *mvm, wowlan_config_cmd->is_11n_connection = ap_sta->ht_cap.ht_supported; wowlan_config_cmd->flags = ENABLE_L3_FILTERING | - ENABLE_NBNS_FILTERING | ENABLE_DHCP_FILTERING; + ENABLE_NBNS_FILTERING | ENABLE_DHCP_FILTERING | + ENABLE_STORE_BEACON; /* Query the last used seqno and set it */ ret = iwl_mvm_get_last_nonqos_seq(mvm, vif); diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-d3.h b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-d3.h index 62b9a0a96700..eec52c57f718 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-d3.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-d3.h @@ -251,6 +251,7 @@ enum iwl_wowlan_flags { ENABLE_L3_FILTERING = BIT(1), ENABLE_NBNS_FILTERING = BIT(2), ENABLE_DHCP_FILTERING = BIT(3), + ENABLE_STORE_BEACON = BIT(4), }; struct iwl_wowlan_config_cmd { diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h index 82049bb139c2..b6b57273b8ba 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h @@ -280,11 +280,16 @@ enum iwl_phy_ops_subcmd_ids { DTS_MEASUREMENT_NOTIF_WIDE = 0xFF, }; +enum iwl_prot_offload_subcmd_ids { + STORED_BEACON_NTF = 0xFF, +}; + /* command groups */ enum { LEGACY_GROUP = 0x0, LONG_GROUP = 0x1, PHY_OPS_GROUP = 0x4, + PROT_OFFLOAD_GROUP = 0xb, }; /** @@ -1851,4 +1856,28 @@ struct iwl_shared_mem_cfg { __le32 page_buff_size; } __packed; /* SHARED_MEM_ALLOC_API_S_VER_1 */ +#define MAX_STORED_BEACON_SIZE 600 + +/** + * Stored beacon notification + * + * @system_time: system time on air rise + * @tsf: TSF on air rise + * @beacon_timestamp: beacon on air rise + * @phy_flags: general phy flags: band, modulation, etc. + * @channel: channel this beacon was received on + * @rates: rate in ucode internal format + * @byte_count: frame's byte count + */ +struct iwl_stored_beacon_notif { + __le32 system_time; + __le64 tsf; + __le32 beacon_timestamp; + __le16 phy_flags; + __le16 channel; + __le32 rates; + __le32 byte_count; + u8 data[MAX_STORED_BEACON_SIZE]; +} __packed; /* WOWLAN_STROED_BEACON_INFO_S_VER_1 */ + #endif /* __fw_api_h__ */ diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c index bf1e5eb5dbdb..62927f567afc 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c @@ -7,7 +7,7 @@ * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH - * Copyright(c) 2015 Intel Deutschland GmbH + * Copyright(c) 2015 - 2016 Intel Deutschland GmbH * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -34,7 +34,7 @@ * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH - * Copyright(c) 2015 Intel Deutschland GmbH + * Copyright(c) 2015 - 2016 Intel Deutschland GmbH * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -1462,3 +1462,40 @@ void iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm, iwl_mvm_beacon_loss_iterator, mb); } + +void iwl_mvm_rx_stored_beacon_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb) +{ + struct iwl_rx_packet *pkt = rxb_addr(rxb); + struct iwl_stored_beacon_notif *sb = (void *)pkt->data; + struct ieee80211_rx_status rx_status; + struct sk_buff *skb; + u32 size = le32_to_cpu(sb->byte_count); + + if (size == 0) + return; + + skb = alloc_skb(size, GFP_ATOMIC); + if (!skb) { + IWL_ERR(mvm, "alloc_skb failed\n"); + return; + } + + /* update rx_status according to the notification's metadata */ + memset(&rx_status, 0, sizeof(rx_status)); + rx_status.mactime = le64_to_cpu(sb->tsf); + rx_status.device_timestamp = le32_to_cpu(sb->system_time); + rx_status.band = + (sb->phy_flags & cpu_to_le16(RX_RES_PHY_FLAGS_BAND_24)) ? + IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ; + rx_status.freq = + ieee80211_channel_to_frequency(le16_to_cpu(sb->channel), + rx_status.band); + + /* copy the data */ + memcpy(skb_put(skb, size), sb->data, size); + memcpy(IEEE80211_SKB_RXCB(skb), &rx_status, sizeof(rx_status)); + + /* pass it as regular rx to mac80211 */ + ieee80211_rx_napi(mvm->hw, skb, NULL); +} diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h index 216c8d6275a1..b45cf4f63781 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h @@ -1192,6 +1192,8 @@ void iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); void iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); +void iwl_mvm_rx_stored_beacon_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb); void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm, struct ieee80211_vif *vif); unsigned long iwl_mvm_get_used_hw_queues(struct iwl_mvm *mvm, diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c index 6bf2bde239a0..3c869ad6aaec 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c @@ -33,6 +33,7 @@ * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH + * Copyright(c) 2016 Intel Deutschland GmbH * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -267,6 +268,8 @@ static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = { true), RX_HANDLER(MFUART_LOAD_NOTIFICATION, iwl_mvm_rx_mfuart_notif, false), RX_HANDLER(TOF_NOTIFICATION, iwl_mvm_tof_resp_handler, true), + RX_HANDLER_GRP(PROT_OFFLOAD_GROUP, STORED_BEACON_NTF, + iwl_mvm_rx_stored_beacon_notif, false), }; #undef RX_HANDLER @@ -386,10 +389,18 @@ static const struct iwl_hcmd_names iwl_mvm_phy_names[] = { HCMD_NAME(DTS_MEASUREMENT_NOTIF_WIDE), }; +/* Please keep this array *SORTED* by hex value. + * Access is done through binary search + */ +static const struct iwl_hcmd_names iwl_mvm_prot_offload_names[] = { + HCMD_NAME(STORED_BEACON_NTF), +}; + static const struct iwl_hcmd_arr iwl_mvm_groups[] = { [LEGACY_GROUP] = HCMD_ARR(iwl_mvm_legacy_names), [LONG_GROUP] = HCMD_ARR(iwl_mvm_legacy_names), [PHY_OPS_GROUP] = HCMD_ARR(iwl_mvm_phy_names), + [PROT_OFFLOAD_GROUP] = HCMD_ARR(iwl_mvm_prot_offload_names), }; /* this forward declaration can avoid to export the function */ @@ -1195,7 +1206,7 @@ static void iwl_mvm_set_wowlan_data(struct iwl_mvm *mvm, cmd->is_11n_connection = ap_sta->ht_cap.ht_supported; cmd->offloading_tid = iter_data->offloading_tid; cmd->flags = ENABLE_L3_FILTERING | ENABLE_NBNS_FILTERING | - ENABLE_DHCP_FILTERING; + ENABLE_DHCP_FILTERING | ENABLE_STORE_BEACON; /* * The d0i3 uCode takes care of the nonqos counters, * so configure only the qos seq ones. @@ -1216,8 +1227,7 @@ int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode) struct iwl_wowlan_config_cmd wowlan_config_cmd = { .wakeup_filter = cpu_to_le32(IWL_WOWLAN_WAKEUP_RX_FRAME | IWL_WOWLAN_WAKEUP_BEACON_MISS | - IWL_WOWLAN_WAKEUP_LINK_CHANGE | - IWL_WOWLAN_WAKEUP_BCN_FILTERING), + IWL_WOWLAN_WAKEUP_LINK_CHANGE), }; struct iwl_d3_manager_config d3_cfg_cmd = { .min_sleep_time = cpu_to_le32(1000), @@ -1267,6 +1277,12 @@ int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode) /* configure wowlan configuration only if needed */ if (mvm->d0i3_ap_sta_id != IWL_MVM_STATION_COUNT) { + /* wake on beacons only if beacon storing isn't supported */ + if (!fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_BEACON_STORING)) + wowlan_config_cmd.wakeup_filter |= + cpu_to_le32(IWL_WOWLAN_WAKEUP_BCN_FILTERING); + iwl_mvm_wowlan_config_key_params(mvm, d0i3_iter_data.connected_vif, true, flags); diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/power.c b/drivers/net/wireless/intel/iwlwifi/mvm/power.c index 16b3e36fb1ba..0d03b3e3cf4e 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/power.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/power.c @@ -7,7 +7,7 @@ * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH - * Copyright(c) 2015 Intel Deutschland GmbH + * Copyright(c) 2015 - 2016 Intel Deutschland GmbH * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -34,7 +34,7 @@ * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH - * Copyright(c) 2015 Intel Deutschland GmbH + * Copyright(c) 2015 - 2016 Intel Deutschland GmbH * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -903,9 +903,9 @@ static int iwl_mvm_update_beacon_abort(struct iwl_mvm *mvm, return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd, 0, false); } -int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm, - struct ieee80211_vif *vif, - u32 flags) +static int _iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + u32 flags, bool d0i3) { struct iwl_beacon_filter_cmd cmd = {}; struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); @@ -916,12 +916,20 @@ int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm, ret = iwl_mvm_beacon_filter_send_cmd(mvm, &cmd, flags); - if (!ret) + /* don't change bf_enabled in case of temporary d0i3 configuration */ + if (!ret && !d0i3) mvmvif->bf_data.bf_enabled = false; return ret; } +int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + u32 flags) +{ + return _iwl_mvm_disable_beacon_filter(mvm, vif, flags, false); +} + static int iwl_mvm_power_set_ps(struct iwl_mvm *mvm) { bool disable_ps; @@ -1058,8 +1066,17 @@ int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm, IWL_BF_CMD_CONFIG_D0I3, .bf_enable_beacon_filter = cpu_to_le32(1), }; - ret = _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd_bf, - flags, true); + /* + * When beacon storing is supported - disable beacon filtering + * altogether - the latest beacon will be sent when exiting d0i3 + */ + if (fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_BEACON_STORING)) + ret = _iwl_mvm_disable_beacon_filter(mvm, vif, flags, + true); + else + ret = _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd_bf, + flags, true); } else { if (mvmvif->bf_data.bf_enabled) ret = iwl_mvm_enable_beacon_filter(mvm, vif, flags); |