wireless: add radiotap A-MPDU status field

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Gitweb:     http://git.infradead.org/?p=mtd-2.6.git;a=commit;h=48613ece3d6a2613caa376f51477435cc080f3cd
Commit:     48613ece3d6a2613caa376f51477435cc080f3cd
Parent:     e687f61eedab8895e5669cb82cebe0253631cd8c
Author:     Johannes Berg <johannes.berg at intel.com>
AuthorDate: Thu Jul 5 11:32:16 2012 +0200
Committer:  Johannes Berg <johannes.berg at intel.com>
CommitDate: Mon Aug 20 13:53:09 2012 +0200

    wireless: add radiotap A-MPDU status field
    
    Define the A-MPDU status field in radiotap, also
    update the radiotap parser for it and the MCS field
    that was apparently missed last time.
    
    Signed-off-by: Johannes Berg <johannes.berg at intel.com>
---
 include/net/ieee80211_radiotap.h |   11 +++++++++++
 net/wireless/radiotap.c          |    2 ++
 2 files changed, 13 insertions(+), 0 deletions(-)

diff --git a/include/net/ieee80211_radiotap.h b/include/net/ieee80211_radiotap.h
index 7139254..7f0df13 100644
--- a/include/net/ieee80211_radiotap.h
+++ b/include/net/ieee80211_radiotap.h
@@ -183,6 +183,9 @@ struct ieee80211_radiotap_header {
  *     Contains a bitmap of known fields/flags, the flags, and
  *     the MCS index.
  *
+ * IEEE80211_RADIOTAP_AMPDU_STATUS	u32, u16, u8, u8	unitless
+ *
+ *	Contains the AMPDU information for the subframe.
  */
 enum ieee80211_radiotap_type {
 	IEEE80211_RADIOTAP_TSFT = 0,
@@ -205,6 +208,7 @@ enum ieee80211_radiotap_type {
 	IEEE80211_RADIOTAP_DATA_RETRIES = 17,
 
 	IEEE80211_RADIOTAP_MCS = 19,
+	IEEE80211_RADIOTAP_AMPDU_STATUS = 20,
 
 	/* valid in every it_present bitmap, even vendor namespaces */
 	IEEE80211_RADIOTAP_RADIOTAP_NAMESPACE = 29,
@@ -270,6 +274,13 @@ enum ieee80211_radiotap_type {
 #define IEEE80211_RADIOTAP_MCS_FMT_GF		0x08
 #define IEEE80211_RADIOTAP_MCS_FEC_LDPC		0x10
 
+/* For IEEE80211_RADIOTAP_AMPDU_STATUS */
+#define IEEE80211_RADIOTAP_AMPDU_REPORT_ZEROLEN		0x0001
+#define IEEE80211_RADIOTAP_AMPDU_IS_ZEROLEN		0x0002
+#define IEEE80211_RADIOTAP_AMPDU_LAST_KNOWN		0x0004
+#define IEEE80211_RADIOTAP_AMPDU_IS_LAST		0x0008
+#define IEEE80211_RADIOTAP_AMPDU_DELIM_CRC_ERR		0x0010
+#define IEEE80211_RADIOTAP_AMPDU_DELIM_CRC_KNOWN	0x0020
 
 /* helpers */
 static inline int ieee80211_get_radiotap_len(unsigned char *data)
diff --git a/net/wireless/radiotap.c b/net/wireless/radiotap.c
index c4ad795..7d604c0 100644
--- a/net/wireless/radiotap.c
+++ b/net/wireless/radiotap.c
@@ -41,6 +41,8 @@ static const struct radiotap_align_size rtap_namespace_sizes[] = {
 	[IEEE80211_RADIOTAP_TX_FLAGS] = { .align = 2, .size = 2, },
 	[IEEE80211_RADIOTAP_RTS_RETRIES] = { .align = 1, .size = 1, },
 	[IEEE80211_RADIOTAP_DATA_RETRIES] = { .align = 1, .size = 1, },
+	[IEEE80211_RADIOTAP_MCS] = { .align = 1, .size = 3, },
+	[IEEE80211_RADIOTAP_AMPDU_STATUS] = { .align = 4, .size = 8, },
 	/*
 	 * add more here as they are defined in radiotap.h
 	 */