ieee80211: Introduce ieee80211_is_first_frag

[carl9170fw.git] / include / linux / ieee80211.h

diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index eb3ded8046442c9d2ea9707398fc5e30629a6028..9f2caa2b0da8c6cb681365f26fe05a47d33bc905 100644 (file)
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -125,6 +125,7 @@
 #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 */
@@ -556,6 +557,15 @@ static inline unsigned int ieee80211_hdrlen(__le16 fc)
         return hdrlen;
 }
 
+/**
+ * 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;
@@ -772,11 +782,20 @@ struct ieee80211_mgmt {
                                        u8 action;
                                        u8 smps_control;
                                } __attribute__ ((packed)) ht_smps;
+                               struct {
+                                       u8 action_code;
+                                       u8 dialog_token;
+                                       __le16 capability;
+                                       u8 variable[0];
+                               } __packed tdls_discover_resp;
                        } u;
                } __attribute__ ((packed)) action;
        } 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)
 
@@ -818,6 +837,52 @@ struct ieee80211_pspoll {
        u8 ta[6];
 } __attribute__ ((packed));
 
+/* TDLS */
+
+/* Link-id information element */
+struct ieee80211_tdls_lnkie {
+       u8 ie_type; /* Link Identifier IE */
+       u8 ie_len;
+       u8 bssid[6];
+       u8 init_sta[6];
+       u8 resp_sta[6];
+} __packed;
+
+struct ieee80211_tdls_data {
+       u8 da[6];
+       u8 sa[6];
+       __be16 ether_type;
+       u8 payload_type;
+       u8 category;
+       u8 action_code;
+       union {
+               struct {
+                       u8 dialog_token;
+                       __le16 capability;
+                       u8 variable[0];
+               } __packed setup_req;
+               struct {
+                       __le16 status_code;
+                       u8 dialog_token;
+                       __le16 capability;
+                       u8 variable[0];
+               } __packed setup_resp;
+               struct {
+                       __le16 status_code;
+                       u8 dialog_token;
+                       u8 variable[0];
+               } __packed setup_cfm;
+               struct {
+                       __le16 reason_code;
+                       u8 variable[0];
+               } __packed teardown;
+               struct {
+                       u8 dialog_token;
+                       u8 variable[0];
+               } __packed discover_req;
+       } u;
+} __packed;
+
 /**
  * struct ieee80211_bar - HT Block Ack Request
  *
@@ -1226,6 +1291,8 @@ enum ieee80211_eid {
        WLAN_EID_TS_DELAY = 43,
        WLAN_EID_TCLAS_PROCESSING = 44,
        WLAN_EID_QOS_CAPA = 46,
+       /* 802.11z */
+       WLAN_EID_LINK_ID = 101,
        /* 802.11s */
        WLAN_EID_MESH_CONFIG = 113,
        WLAN_EID_MESH_ID = 114,
@@ -1309,6 +1376,7 @@ enum ieee80211_category {
        WLAN_CATEGORY_HT = 7,
        WLAN_CATEGORY_SA_QUERY = 8,
        WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
+       WLAN_CATEGORY_TDLS = 12,
        WLAN_CATEGORY_MESH_ACTION = 13,
        WLAN_CATEGORY_MULTIHOP_ACTION = 14,
        WLAN_CATEGORY_SELF_PROTECTED = 15,
@@ -1372,6 +1440,36 @@ enum ieee80211_key_len {
        WLAN_KEY_LEN_AES_CMAC = 16,
 };
 
+/* Public action codes */
+enum ieee80211_pub_actioncode {
+       WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
+};
+
+/* TDLS action codes */
+enum ieee80211_tdls_actioncode {
+       WLAN_TDLS_SETUP_REQUEST = 0,
+       WLAN_TDLS_SETUP_RESPONSE = 1,
+       WLAN_TDLS_SETUP_CONFIRM = 2,
+       WLAN_TDLS_TEARDOWN = 3,
+       WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
+       WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
+       WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
+       WLAN_TDLS_PEER_PSM_REQUEST = 7,
+       WLAN_TDLS_PEER_PSM_RESPONSE = 8,
+       WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
+       WLAN_TDLS_DISCOVERY_REQUEST = 10,
+};
+
+/*
+ * TDLS capabililites to be enabled in the 5th byte of the
+ * @WLAN_EID_EXT_CAPABILITY information element
+ */
+#define WLAN_EXT_CAPA5_TDLS_ENABLED    BIT(5)
+#define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6)
+
+/* TDLS specific payload type in the LLC/SNAP header */
+#define WLAN_TDLS_SNAP_RFTYPE  0x2
+
 /**
  * enum - mesh path selection protocol identifier
  *
@@ -1497,6 +1595,8 @@ 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
@@ -1633,6 +1733,23 @@ 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