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iwlwifi: mvm: expose device timestamp in radiotap

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Set the relevant fields to export the 32-bit device timestamp to
radiotap using the new mac80211 infrastructure. This will be useful
to allow synchronising monitor captures taken on different hardware
simultaneously.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Johannes Berg 2016-08-15 09:26:32 +02:00 committed by Luca Coelho
parent 106e0deca1
commit 371a17ed41
1 changed files with 7 additions and 0 deletions
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7
drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
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@ -463,6 +463,13 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
IEEE80211_RADIOTAP_MCS_HAVE_STBC;
hw->radiotap_vht_details |= IEEE80211_RADIOTAP_VHT_KNOWN_STBC |
IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED;
hw->radiotap_timestamp.units_pos =
IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US |
IEEE80211_RADIOTAP_TIMESTAMP_SPOS_PLCP_SIG_ACQ;
/* this is the case for CCK frames, it's better (only 8) for OFDM */
hw->radiotap_timestamp.accuracy = 22;
hw->rate_control_algorithm = "iwl-mvm-rs";
hw->uapsd_queues = IWL_MVM_UAPSD_QUEUES;
hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP;