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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: Johannes Berg <johannes.berg@intel.com>
hifive-unleashed-5.1
Johannes Berg 2018-02-19 14:48:39 +02:00
parent 4fe0de5b14
commit 7299d6f7bf
3 changed files with 11 additions and 0 deletions
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2
include/net/ieee80211_radiotap.h
View File

@ -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 */

5
include/net/mac80211.h
View File

@ -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),
};
/**

4
net/mac80211/rx.c
View File

@ -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)