mac80211: support A-MPDU status reporting
Support getting A-MPDU status information from the
drivers and reporting it to userspace via radiotap
in the standard fields.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index d9cef31..edc235c 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -676,21 +676,41 @@
* @RX_FLAG_HT_GF: This frame was received in a HT-greenfield transmission, if
* the driver fills this value it should add %IEEE80211_RADIOTAP_MCS_HAVE_FMT
* to hw.radiotap_mcs_details to advertise that fact
+ * @RX_FLAG_AMPDU_DETAILS: A-MPDU details are known, in particular the reference
+ * number (@ampdu_reference) must be populated and be a distinct number for
+ * each A-MPDU
+ * @RX_FLAG_AMPDU_REPORT_ZEROLEN: driver reports 0-length subframes
+ * @RX_FLAG_AMPDU_IS_ZEROLEN: This is a zero-length subframe, for
+ * monitoring purposes only
+ * @RX_FLAG_AMPDU_LAST_KNOWN: last subframe is known, should be set on all
+ * subframes of a single A-MPDU
+ * @RX_FLAG_AMPDU_IS_LAST: this subframe is the last subframe of the A-MPDU
+ * @RX_FLAG_AMPDU_DELIM_CRC_ERROR: A delimiter CRC error has been detected
+ * on this subframe
+ * @RX_FLAG_AMPDU_DELIM_CRC_KNOWN: The delimiter CRC field is known (the CRC
+ * is stored in the @ampdu_delimiter_crc field)
*/
enum mac80211_rx_flags {
- RX_FLAG_MMIC_ERROR = 1<<0,
- RX_FLAG_DECRYPTED = 1<<1,
- RX_FLAG_MMIC_STRIPPED = 1<<3,
- RX_FLAG_IV_STRIPPED = 1<<4,
- RX_FLAG_FAILED_FCS_CRC = 1<<5,
- RX_FLAG_FAILED_PLCP_CRC = 1<<6,
- RX_FLAG_MACTIME_MPDU = 1<<7,
- RX_FLAG_SHORTPRE = 1<<8,
- RX_FLAG_HT = 1<<9,
- RX_FLAG_40MHZ = 1<<10,
- RX_FLAG_SHORT_GI = 1<<11,
- RX_FLAG_NO_SIGNAL_VAL = 1<<12,
- RX_FLAG_HT_GF = 1<<13,
+ RX_FLAG_MMIC_ERROR = BIT(0),
+ RX_FLAG_DECRYPTED = BIT(1),
+ RX_FLAG_MMIC_STRIPPED = BIT(3),
+ RX_FLAG_IV_STRIPPED = BIT(4),
+ RX_FLAG_FAILED_FCS_CRC = BIT(5),
+ RX_FLAG_FAILED_PLCP_CRC = BIT(6),
+ RX_FLAG_MACTIME_MPDU = BIT(7),
+ RX_FLAG_SHORTPRE = BIT(8),
+ RX_FLAG_HT = BIT(9),
+ RX_FLAG_40MHZ = BIT(10),
+ RX_FLAG_SHORT_GI = BIT(11),
+ RX_FLAG_NO_SIGNAL_VAL = BIT(12),
+ RX_FLAG_HT_GF = BIT(13),
+ RX_FLAG_AMPDU_DETAILS = BIT(14),
+ RX_FLAG_AMPDU_REPORT_ZEROLEN = BIT(15),
+ RX_FLAG_AMPDU_IS_ZEROLEN = BIT(16),
+ RX_FLAG_AMPDU_LAST_KNOWN = BIT(17),
+ RX_FLAG_AMPDU_IS_LAST = BIT(18),
+ RX_FLAG_AMPDU_DELIM_CRC_ERROR = BIT(19),
+ RX_FLAG_AMPDU_DELIM_CRC_KNOWN = BIT(20),
};
/**
@@ -714,17 +734,22 @@
* HT rates are use (RX_FLAG_HT)
* @flag: %RX_FLAG_*
* @rx_flags: internal RX flags for mac80211
+ * @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
*/
struct ieee80211_rx_status {
u64 mactime;
u32 device_timestamp;
- u16 flag;
+ u32 ampdu_reference;
+ u32 flag;
u16 freq;
u8 rate_idx;
u8 rx_flags;
u8 band;
u8 antenna;
s8 signal;
+ u8 ampdu_delimiter_crc;
};
/**