1 files changed, 38 insertions, 14 deletions

diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index 7e24fe0cfbcd..4cf0c9e4dd99 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -113,6 +113,34 @@
 #define IEEE80211_CTL_EXT_SSW_FBACK     0x9000
 #define IEEE80211_CTL_EXT_SSW_ACK       0xa000
 
+
+#define IEEE80211_SN_MASK               ((IEEE80211_SCTL_SEQ) >> 4)
+#define IEEE80211_MAX_SN                IEEE80211_SN_MASK
+#define IEEE80211_SN_MODULO             (IEEE80211_MAX_SN + 1)
+
+static inline int ieee80211_sn_less(u16 sn1, u16 sn2)
+{
+        return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
+}
+
+static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
+{
+        return (sn1 + sn2) & IEEE80211_SN_MASK;
+}
+
+static inline u16 ieee80211_sn_inc(u16 sn)
+{
+        return ieee80211_sn_add(sn, 1);
+}
+
+static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
+{
+        return (sn1 - sn2) & IEEE80211_SN_MASK;
+}
+
+#define IEEE80211_SEQ_TO_SN(seq)        (((seq) & IEEE80211_SCTL_SEQ) >> 4)
+#define IEEE80211_SN_TO_SEQ(ssn)        (((ssn) << 4) & IEEE80211_SCTL_SEQ)
+
 /* miscellaneous IEEE 802.11 constants */
 #define IEEE80211_MAX_FRAG_THRESHOLD    2352
 #define IEEE80211_MAX_RTS_THRESHOLD     2353
@@ -185,7 +213,7 @@ struct ieee80211_hdr {
         u8 addr3[6];
         __le16 seq_ctrl;
         u8 addr4[6];
-} __packed;
+} __packed __aligned(2);
 
 struct ieee80211_hdr_3addr {
         __le16 frame_control;
@@ -194,7 +222,7 @@ struct ieee80211_hdr_3addr {
         u8 addr2[6];
         u8 addr3[6];
         __le16 seq_ctrl;
-} __packed;
+} __packed __aligned(2);
 
 struct ieee80211_qos_hdr {
         __le16 frame_control;
@@ -204,7 +232,7 @@ struct ieee80211_qos_hdr {
         u8 addr3[6];
         __le16 seq_ctrl;
         __le16 qos_ctrl;
-} __packed;
+} __packed __aligned(2);
 
 /**
  * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
@@ -581,7 +609,7 @@ struct ieee80211s_hdr {
         __le32 seqnum;
         u8 eaddr1[6];
         u8 eaddr2[6];
-} __packed;
+} __packed __aligned(2);
 
 /* Mesh flags */
 #define MESH_FLAGS_AE_A4        0x1
@@ -875,7 +903,7 @@ struct ieee80211_mgmt {
                         } u;
                 } __packed action;
         } u;
-} __packed;
+} __packed __aligned(2);
 
 /* Supported Rates value encodings in 802.11n-2009 7.3.2.2 */
 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY  127
@@ -906,20 +934,20 @@ struct ieee80211_rts {
         __le16 duration;
         u8 ra[6];
         u8 ta[6];
-} __packed;
+} __packed __aligned(2);
 
 struct ieee80211_cts {
         __le16 frame_control;
         __le16 duration;
         u8 ra[6];
-} __packed;
+} __packed __aligned(2);
 
 struct ieee80211_pspoll {
         __le16 frame_control;
         __le16 aid;
         u8 bssid[6];
         u8 ta[6];
-} __packed;
+} __packed __aligned(2);
 
 /* TDLS */
 
@@ -1290,11 +1318,6 @@ struct ieee80211_vht_operation {
 } __packed;
 
 
-#define IEEE80211_VHT_MCS_ZERO_TO_SEVEN_SUPPORT 0
-#define IEEE80211_VHT_MCS_ZERO_TO_EIGHT_SUPPORT 1
-#define IEEE80211_VHT_MCS_ZERO_TO_NINE_SUPPORT  2
-#define IEEE80211_VHT_MCS_NOT_SUPPORTED 3
-
 /* 802.11ac VHT Capabilities */
 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895                  0x00000000
 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991                  0x00000001
@@ -1310,10 +1333,11 @@ struct ieee80211_vht_operation {
 #define IEEE80211_VHT_CAP_RXSTBC_2                              0x00000200
 #define IEEE80211_VHT_CAP_RXSTBC_3                              0x00000300
 #define IEEE80211_VHT_CAP_RXSTBC_4                              0x00000400
+#define IEEE80211_VHT_CAP_RXSTBC_MASK                           0x00000700
 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE                 0x00000800
 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE                 0x00001000
 #define IEEE80211_VHT_CAP_BEAMFORMER_ANTENNAS_MAX               0x00006000
-#define IEEE80211_VHT_CAP_SOUNDING_DIMENTION_MAX                0x00030000
+#define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MAX               0x00030000
 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE                 0x00080000
 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE                 0x00100000
 #define IEEE80211_VHT_CAP_VHT_TXOP_PS                           0x00200000