Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph...

[~andy/linux] / include / linux / ieee80211.h

diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index 48363c3c40f8f6de0e1ebb062a35eef498f6077a..210e2c3255342f7cf6546ca0e1718fe6dc0e2dd4 100644 (file)
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -128,6 +128,7 @@
 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK     0x0020
 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL   0x0040
 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK  0x0060
+#define IEEE80211_QOS_CTL_ACK_POLICY_MASK      0x0060
 /* A-MSDU 802.11n */
 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT       0x0080
 /* Mesh Control 802.11s */
@@ -543,6 +544,15 @@ static inline int ieee80211_is_qos_nullfunc(__le16 fc)
               cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
 }
 
+/**
+ * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
+ * @seq_ctrl: frame sequence control bytes in little-endian byteorder
+ */
+static inline int ieee80211_is_first_frag(__le16 seq_ctrl)
+{
+       return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
+}
+
 struct ieee80211s_hdr {
        u8 flags;
        u8 ttl;
@@ -770,6 +780,9 @@ struct ieee80211_mgmt {
        } u;
 } __attribute__ ((packed));
 
+/* Supported Rates value encodings in 802.11n-2009 7.3.2.2 */
+#define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127
+
 /* mgmt header + 1 byte category code */
 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
 
@@ -1552,6 +1565,8 @@ enum ieee80211_sa_query_action {
 #define WLAN_CIPHER_SUITE_WEP104       0x000FAC05
 #define WLAN_CIPHER_SUITE_AES_CMAC     0x000FAC06
 
+#define WLAN_CIPHER_SUITE_SMS4         0x00147201
+
 /* AKM suite selectors */
 #define WLAN_AKM_SUITE_8021X           0x000FAC01
 #define WLAN_AKM_SUITE_PSK             0x000FAC02
@@ -1688,6 +1703,23 @@ static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
        return false;
 }
 
+/**
+ * ieee80211_is_public_action - check if frame is a public action frame
+ * @hdr: the frame
+ * @len: length of the frame
+ */
+static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
+                                             size_t len)
+{
+       struct ieee80211_mgmt *mgmt = (void *)hdr;
+
+       if (len < IEEE80211_MIN_ACTION_SIZE)
+               return false;
+       if (!ieee80211_is_action(hdr->frame_control))
+               return false;
+       return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
+}
+
 /**
  * ieee80211_fhss_chan_to_freq - get channel frequency
  * @channel: the FHSS channel