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authorShaul Triebitz <shaul.triebitz@intel.com>2018-09-05 08:06:06 +0300
committerJohannes Berg <johannes.berg@intel.com>2018-09-05 11:08:25 +0300
commitc3d1f8752802b2e1fb12c73bee50035bc125bc54 (patch)
tree8b7874b6f209d0d3f447fbecb1133c989dbe2cf8 /include/net/mac80211.h
parent62872a9b9a106f00360193f428451c321ec2e823 (diff)
downloadlinux-c3d1f8752802b2e1fb12c73bee50035bc125bc54.tar.xz
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/mac80211.h')
-rw-r--r--include/net/mac80211.h7
1 files changed, 7 insertions, 0 deletions
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;
};
/**