From: Johannes Berg <[email protected]> Report all NO_DATA events to mac80211 so they get captured in radiotap for usage in sniffer scenarios; map the info type to a reasonable radiotap type for this.
Signed-off-by: Johannes Berg <[email protected]> Signed-off-by: Luca Coelho <[email protected]> --- drivers/net/wireless/intel/iwlwifi/mvm/mvm.h | 8 ++--- drivers/net/wireless/intel/iwlwifi/mvm/ops.c | 6 ++-- drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c | 31 ++++++++++++------- 3 files changed, 27 insertions(+), 18 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h index bca6f6b536d9..dd70bdc27d58 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h @@ -8,7 +8,7 @@ * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2016 - 2017 Intel Deutschland GmbH - * Copyright(c) 2018 Intel Corporation + * Copyright(c) 2018 - 2019 Intel Corporation * * 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 @@ -31,7 +31,7 @@ * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2016 - 2017 Intel Deutschland GmbH - * Copyright(c) 2018 Intel Corporation + * Copyright(c) 2018 - 2019 Intel Corporation * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -1650,8 +1650,8 @@ void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct napi_struct *napi, struct iwl_rx_cmd_buffer *rxb); void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, struct iwl_rx_cmd_buffer *rxb, int queue); -void iwl_mvm_rx_monitor_ndp(struct iwl_mvm *mvm, struct napi_struct *napi, - struct iwl_rx_cmd_buffer *rxb, int queue); +void iwl_mvm_rx_monitor_no_data(struct iwl_mvm *mvm, struct napi_struct *napi, + struct iwl_rx_cmd_buffer *rxb, int queue); void iwl_mvm_rx_frame_release(struct iwl_mvm *mvm, struct napi_struct *napi, struct iwl_rx_cmd_buffer *rxb, int queue); int iwl_mvm_notify_rx_queue(struct iwl_mvm *mvm, u32 rxq_mask, diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c index ba27dce4c2bb..ad8dea01c638 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c @@ -8,7 +8,7 @@ * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2016 - 2017 Intel Deutschland GmbH - * Copyright(c) 2018 Intel Corporation + * Copyright(c) 2018 - 2019 Intel Corporation * * 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 @@ -31,7 +31,7 @@ * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2016 - 2017 Intel Deutschland GmbH - * Copyright(c) 2018 Intel Corporation + * Copyright(c) 2018 - 2019 Intel Corporation * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -1105,7 +1105,7 @@ static void iwl_mvm_rx_mq(struct iwl_op_mode *op_mode, else if (cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE)) iwl_mvm_rx_frame_release(mvm, napi, rxb, 0); else if (cmd == WIDE_ID(DATA_PATH_GROUP, RX_NO_DATA_NOTIF)) - iwl_mvm_rx_monitor_ndp(mvm, napi, rxb, 0); + iwl_mvm_rx_monitor_no_data(mvm, napi, rxb, 0); else iwl_mvm_rx_common(mvm, rxb, pkt); } diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c index 1e03acf30762..0b1b208de767 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c @@ -8,7 +8,7 @@ * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2015 - 2017 Intel Deutschland GmbH - * Copyright(c) 2018 Intel Corporation + * Copyright(c) 2018 - 2019 Intel Corporation * * 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 @@ -31,7 +31,7 @@ * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2015 - 2017 Intel Deutschland GmbH - * Copyright(c) 2018 Intel Corporation + * Copyright(c) 2018 - 2019 Intel Corporation * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -1679,8 +1679,8 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, rcu_read_unlock(); } -void iwl_mvm_rx_monitor_ndp(struct iwl_mvm *mvm, struct napi_struct *napi, - struct iwl_rx_cmd_buffer *rxb, int queue) +void iwl_mvm_rx_monitor_no_data(struct iwl_mvm *mvm, struct napi_struct *napi, + struct iwl_rx_cmd_buffer *rxb, int queue) { struct ieee80211_rx_status *rx_status; struct iwl_rx_packet *pkt = rxb_addr(rxb); @@ -1701,10 +1701,6 @@ void iwl_mvm_rx_monitor_ndp(struct iwl_mvm *mvm, struct napi_struct *napi, if (unlikely(test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))) return; - /* Currently only NDP type is supported */ - if (info_type != RX_NO_DATA_INFO_TYPE_NDP) - return; - energy_a = (rssi & RX_NO_DATA_CHAIN_A_MSK) >> RX_NO_DATA_CHAIN_A_POS; energy_b = (rssi & RX_NO_DATA_CHAIN_B_MSK) >> RX_NO_DATA_CHAIN_B_POS; channel = (rssi & RX_NO_DATA_CHANNEL_MSK) >> RX_NO_DATA_CHANNEL_POS; @@ -1726,9 +1722,22 @@ void iwl_mvm_rx_monitor_ndp(struct iwl_mvm *mvm, struct napi_struct *napi, /* 0-length PSDU */ rx_status->flag |= RX_FLAG_NO_PSDU; - /* currently this is the only type for which we get this notif */ - rx_status->zero_length_psdu_type = - IEEE80211_RADIOTAP_ZERO_LEN_PSDU_SOUNDING; + + switch (info_type) { + case RX_NO_DATA_INFO_TYPE_NDP: + rx_status->zero_length_psdu_type = + IEEE80211_RADIOTAP_ZERO_LEN_PSDU_SOUNDING; + break; + case RX_NO_DATA_INFO_TYPE_MU_UNMATCHED: + case RX_NO_DATA_INFO_TYPE_HE_TB_UNMATCHED: + rx_status->zero_length_psdu_type = + IEEE80211_RADIOTAP_ZERO_LEN_PSDU_NOT_CAPTURED; + break; + default: + rx_status->zero_length_psdu_type = + IEEE80211_RADIOTAP_ZERO_LEN_PSDU_VENDOR; + break; + } /* This may be overridden by iwl_mvm_rx_he() to HE_RU */ switch (rate_n_flags & RATE_MCS_CHAN_WIDTH_MSK) { -- 2.20.1
