diff options
| author | Shaul Triebitz <shaul.triebitz@intel.com> | 2018-09-05 08:06:06 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2018-09-05 10:08:25 +0200 |
| commit | c3d1f8752802b2e1fb12c73bee50035bc125bc54 (patch) | |
| tree | 8b7874b6f209d0d3f447fbecb1133c989dbe2cf8 /include/net | |
| parent | 62872a9b9a106f00360193f428451c321ec2e823 (diff) | |
mac80211: support reporting 0-length PSDU in radiotap
For certain sounding frames, it may be useful to report them
to userspace even though they don't have a PSDU in order to
determine the PHY parameters (e.g. VHT rate/stream config.)
Add support for this to mac80211.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'include/net')
| -rw-r--r-- | include/net/ieee80211_radiotap.h | 6 | ||||
| -rw-r--r-- | include/net/mac80211.h | 7 |
2 files changed, 13 insertions, 0 deletions
diff --git a/include/net/ieee80211_radiotap.h b/include/net/ieee80211_radiotap.h index 80d543902b8b..8014153bdd49 100644 --- a/include/net/ieee80211_radiotap.h +++ b/include/net/ieee80211_radiotap.h @@ -75,6 +75,7 @@ enum ieee80211_radiotap_presence { IEEE80211_RADIOTAP_TIMESTAMP = 22, IEEE80211_RADIOTAP_HE = 23, IEEE80211_RADIOTAP_HE_MU = 24, + IEEE80211_RADIOTAP_ZERO_LEN_PSDU = 26, IEEE80211_RADIOTAP_LSIG = 27, /* valid in every it_present bitmap, even vendor namespaces */ @@ -340,6 +341,11 @@ struct ieee80211_radiotap_lsig { __le16 data1, data2; }; +enum ieee80211_radiotap_zero_len_psdu_type { + IEEE80211_RADIOTAP_ZERO_LEN_PSDU_SOUNDING = 0, + IEEE80211_RADIOTAP_ZERO_LEN_PSDU_VENDOR = 0xff, +}; + /** * ieee80211_get_radiotap_len - get radiotap header length */ diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 8c26d2d36cbe..50bf598abdfd 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -1142,6 +1142,10 @@ ieee80211_tx_info_clear_status(struct ieee80211_tx_info *info) * @RX_FLAG_RADIOTAP_HE_MU: HE MU radiotap data is present * (&struct ieee80211_radiotap_he_mu) * @RX_FLAG_RADIOTAP_LSIG: L-SIG radiotap data is present + * @RX_FLAG_NO_PSDU: use the frame only for radiotap reporting, with + * the "0-length PSDU" field included there. The value for it is + * in &struct ieee80211_rx_status. Note that if this value isn't + * known the frame shouldn't be reported. */ enum mac80211_rx_flags { RX_FLAG_MMIC_ERROR = BIT(0), @@ -1173,6 +1177,7 @@ enum mac80211_rx_flags { RX_FLAG_RADIOTAP_HE = BIT(26), RX_FLAG_RADIOTAP_HE_MU = BIT(27), RX_FLAG_RADIOTAP_LSIG = BIT(28), + RX_FLAG_NO_PSDU = BIT(29), }; /** @@ -1245,6 +1250,7 @@ enum mac80211_rx_encoding { * @ampdu_reference: A-MPDU reference number, must be a different value for * each A-MPDU but the same for each subframe within one A-MPDU * @ampdu_delimiter_crc: A-MPDU delimiter CRC + * @zero_length_psdu_type: radiotap type of the 0-length PSDU */ struct ieee80211_rx_status { u64 mactime; @@ -1265,6 +1271,7 @@ struct ieee80211_rx_status { u8 chains; s8 chain_signal[IEEE80211_MAX_CHAINS]; u8 ampdu_delimiter_crc; + u8 zero_length_psdu_type; }; /** |