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Commit 7299d6f7 authored by Johannes Berg's avatar Johannes Berg
Browse files

mac80211: support reporting A-MPDU EOF bit value/known 



Support getting the EOF bit value reported from hardware
and writing it out to radiotap.

Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent 4fe0de5b

include/net/ieee80211_radiotap.h

+2 −0
Original line number Diff line number Diff line
@@ -149,6 +149,8 @@ enum ieee80211_radiotap_ampdu_flags { 
	IEEE80211_RADIOTAP_AMPDU_IS_LAST = 0x0008,

	IEEE80211_RADIOTAP_AMPDU_DELIM_CRC_ERR = 0x0010,

	IEEE80211_RADIOTAP_AMPDU_DELIM_CRC_KNOWN = 0x0020,

	IEEE80211_RADIOTAP_AMPDU_EOF = 0x0040,

	IEEE80211_RADIOTAP_AMPDU_EOF_KNOWN = 0x0080,

};



/* for IEEE80211_RADIOTAP_VHT */

include/net/mac80211.h

+5 −0
Original line number Diff line number Diff line
@@ -1099,6 +1099,9 @@ ieee80211_tx_info_clear_status(struct ieee80211_tx_info *info) 
 *	the first subframe.

 * @RX_FLAG_ICV_STRIPPED: The ICV is stripped from this frame. CRC checking must

 *	be done in the hardware.

 * @RX_FLAG_AMPDU_EOF_BIT: Value of the EOF bit in the A-MPDU delimiter for this

 *	frame

 * @RX_FLAG_AMPDU_EOF_BIT_KNOWN: The EOF value is known

 */

enum mac80211_rx_flags {

	RX_FLAG_MMIC_ERROR		= BIT(0),
@@ -1125,6 +1128,8 @@ enum mac80211_rx_flags { 
	RX_FLAG_MIC_STRIPPED		= BIT(21),

	RX_FLAG_ALLOW_SAME_PN		= BIT(22),

	RX_FLAG_ICV_STRIPPED		= BIT(23),

	RX_FLAG_AMPDU_EOF_BIT		= BIT(24),

	RX_FLAG_AMPDU_EOF_BIT_KNOWN	= BIT(25),

};



/**

net/mac80211/rx.c

+4 −0
Original line number Diff line number Diff line
@@ -439,6 +439,10 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local, 
			flags |= IEEE80211_RADIOTAP_AMPDU_DELIM_CRC_ERR;

		if (status->flag & RX_FLAG_AMPDU_DELIM_CRC_KNOWN)

			flags |= IEEE80211_RADIOTAP_AMPDU_DELIM_CRC_KNOWN;

		if (status->flag & RX_FLAG_AMPDU_EOF_BIT_KNOWN)

			flags |= IEEE80211_RADIOTAP_AMPDU_EOF_KNOWN;

		if (status->flag & RX_FLAG_AMPDU_EOF_BIT)

			flags |= IEEE80211_RADIOTAP_AMPDU_EOF;

		put_unaligned_le16(flags, pos);

		pos += 2;

		if (status->flag & RX_FLAG_AMPDU_DELIM_CRC_KNOWN)