mac80211: support extended channel switch
[carl9170fw.git] / include / linux / ieee80211.h
index fa85ff3f998a0964eb2b559ca7f0200965207e53..efb19c6222fba2c8e7b1ac452be0288866819372 100644 (file)
 #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
@@ -177,7 +205,7 @@ struct ieee80211_hdr {
        u8 addr3[6];
        __le16 seq_ctrl;
        u8 addr4[6];
-} __attribute__ ((packed));
+} __packed __aligned(2);
 
 struct ieee80211_hdr_3addr {
        __le16 frame_control;
@@ -186,7 +214,7 @@ struct ieee80211_hdr_3addr {
        u8 addr2[6];
        u8 addr3[6];
        __le16 seq_ctrl;
-} __attribute__ ((packed));
+} __packed __aligned(2);
 
 struct ieee80211_qos_hdr {
        __le16 frame_control;
@@ -196,7 +224,7 @@ struct ieee80211_qos_hdr {
        u8 addr3[6];
        __le16 seq_ctrl;
        __le16 qos_ctrl;
-} __attribute__ ((packed));
+} __packed __aligned(2);
 
 /**
  * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
@@ -589,7 +617,7 @@ struct ieee80211s_hdr {
        __le32 seqnum;
        u8 eaddr1[6];
        u8 eaddr2[6];
-} __attribute__ ((packed));
+} __packed __aligned(2);
 
 /* Mesh flags */
 #define MESH_FLAGS_AE_A4       0x1
@@ -627,7 +655,7 @@ struct ieee80211_quiet_ie {
        u8 period;
        __le16 duration;
        __le16 offset;
-} __attribute__ ((packed));
+} __packed;
 
 /**
  * struct ieee80211_msrment_ie
@@ -639,7 +667,7 @@ struct ieee80211_msrment_ie {
        u8 mode;
        u8 type;
        u8 request[0];
-} __attribute__ ((packed));
+} __packed;
 
 /**
  * struct ieee80211_channel_sw_ie
@@ -650,7 +678,19 @@ struct ieee80211_channel_sw_ie {
        u8 mode;
        u8 new_ch_num;
        u8 count;
-} __attribute__ ((packed));
+} __packed;
+
+/**
+ * struct ieee80211_ext_chansw_ie
+ *
+ * This structure represents the "Extended Channel Switch Announcement element"
+ */
+struct ieee80211_ext_chansw_ie {
+       u8 mode;
+       u8 new_operating_class;
+       u8 new_ch_num;
+       u8 count;
+} __packed;
 
 /**
  * struct ieee80211_tim
@@ -663,7 +703,7 @@ struct ieee80211_tim_ie {
        u8 bitmap_ctrl;
        /* variable size: 1 - 251 bytes */
        u8 virtual_map[1];
-} __attribute__ ((packed));
+} __packed;
 
 /**
  * struct ieee80211_meshconf_ie
@@ -678,7 +718,7 @@ struct ieee80211_meshconf_ie {
        u8 meshconf_auth;
        u8 meshconf_form;
        u8 meshconf_cap;
-} __attribute__ ((packed));
+} __packed;
 
 /**
  * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
@@ -708,12 +748,17 @@ struct ieee80211_rann_ie {
        __le32 rann_seq;
        __le32 rann_interval;
        __le32 rann_metric;
-} __attribute__ ((packed));
+} __packed;
 
 enum ieee80211_rann_flags {
        RANN_FLAG_IS_GATE = 1 << 0,
 };
 
+enum ieee80211_ht_chanwidth_values {
+       IEEE80211_HT_CHANWIDTH_20MHZ = 0,
+       IEEE80211_HT_CHANWIDTH_ANY = 1,
+};
+
 #define WLAN_SA_QUERY_TR_ID_LEN 2
 
 struct ieee80211_mgmt {
@@ -730,33 +775,33 @@ struct ieee80211_mgmt {
                        __le16 status_code;
                        /* possibly followed by Challenge text */
                        u8 variable[0];
-               } __attribute__ ((packed)) auth;
+               } __packed auth;
                struct {
                        __le16 reason_code;
-               } __attribute__ ((packed)) deauth;
+               } __packed deauth;
                struct {
                        __le16 capab_info;
                        __le16 listen_interval;
                        /* followed by SSID and Supported rates */
                        u8 variable[0];
-               } __attribute__ ((packed)) assoc_req;
+               } __packed assoc_req;
                struct {
                        __le16 capab_info;
                        __le16 status_code;
                        __le16 aid;
                        /* followed by Supported rates */
                        u8 variable[0];
-               } __attribute__ ((packed)) assoc_resp, reassoc_resp;
+               } __packed assoc_resp, reassoc_resp;
                struct {
                        __le16 capab_info;
                        __le16 listen_interval;
                        u8 current_ap[6];
                        /* followed by SSID and Supported rates */
                        u8 variable[0];
-               } __attribute__ ((packed)) reassoc_req;
+               } __packed reassoc_req;
                struct {
                        __le16 reason_code;
-               } __attribute__ ((packed)) disassoc;
+               } __packed disassoc;
                struct {
                        __le64 timestamp;
                        __le16 beacon_int;
@@ -764,11 +809,11 @@ struct ieee80211_mgmt {
                        /* followed by some of SSID, Supported rates,
                         * FH Params, DS Params, CF Params, IBSS Params, TIM */
                        u8 variable[0];
-               } __attribute__ ((packed)) beacon;
+               } __packed beacon;
                struct {
                        /* only variable items: SSID, Supported rates */
                        u8 variable[0];
-               } __attribute__ ((packed)) probe_req;
+               } __packed probe_req;
                struct {
                        __le64 timestamp;
                        __le16 beacon_int;
@@ -776,7 +821,7 @@ struct ieee80211_mgmt {
                        /* followed by some of SSID, Supported rates,
                         * FH Params, DS Params, CF Params, IBSS Params */
                        u8 variable[0];
-               } __attribute__ ((packed)) probe_resp;
+               } __packed probe_resp;
                struct {
                        u8 category;
                        union {
@@ -785,55 +830,57 @@ struct ieee80211_mgmt {
                                        u8 dialog_token;
                                        u8 status_code;
                                        u8 variable[0];
-                               } __attribute__ ((packed)) wme_action;
+                               } __packed wme_action;
                                struct{
                                        u8 action_code;
-                                       u8 element_id;
-                                       u8 length;
-                                       struct ieee80211_channel_sw_ie sw_elem;
-                               } __attribute__((packed)) chan_switch;
+                                       u8 variable[0];
+                               } __packed chan_switch;
                                struct{
                                        u8 action_code;
                                        u8 dialog_token;
                                        u8 element_id;
                                        u8 length;
                                        struct ieee80211_msrment_ie msr_elem;
-                               } __attribute__((packed)) measurement;
+                               } __packed measurement;
                                struct{
                                        u8 action_code;
                                        u8 dialog_token;
                                        __le16 capab;
                                        __le16 timeout;
                                        __le16 start_seq_num;
-                               } __attribute__((packed)) addba_req;
+                               } __packed addba_req;
                                struct{
                                        u8 action_code;
                                        u8 dialog_token;
                                        __le16 status;
                                        __le16 capab;
                                        __le16 timeout;
-                               } __attribute__((packed)) addba_resp;
+                               } __packed addba_resp;
                                struct{
                                        u8 action_code;
                                        __le16 params;
                                        __le16 reason_code;
-                               } __attribute__((packed)) delba;
+                               } __packed delba;
                                struct {
                                        u8 action_code;
                                        u8 variable[0];
-                               } __attribute__((packed)) self_prot;
+                               } __packed self_prot;
                                struct{
                                        u8 action_code;
                                        u8 variable[0];
-                               } __attribute__((packed)) mesh_action;
+                               } __packed mesh_action;
                                struct {
                                        u8 action;
                                        u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
-                               } __attribute__ ((packed)) sa_query;
+                               } __packed sa_query;
                                struct {
                                        u8 action;
                                        u8 smps_control;
-                               } __attribute__ ((packed)) ht_smps;
+                               } __packed ht_smps;
+                               struct {
+                                       u8 action_code;
+                                       u8 chanwidth;
+                               } __packed ht_notify_cw;
                                struct {
                                        u8 action_code;
                                        u8 dialog_token;
@@ -841,9 +888,9 @@ struct ieee80211_mgmt {
                                        u8 variable[0];
                                } __packed tdls_discover_resp;
                        } u;
-               } __attribute__ ((packed)) action;
+               } __packed action;
        } u;
-} __attribute__ ((packed));
+} __packed __aligned(2);
 
 /* Supported Rates value encodings in 802.11n-2009 7.3.2.2 */
 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127
@@ -859,7 +906,7 @@ struct ieee80211_mmie {
        __le16 key_id;
        u8 sequence_number[6];
        u8 mic[8];
-} __attribute__ ((packed));
+} __packed;
 
 struct ieee80211_vendor_ie {
        u8 element_id;
@@ -874,20 +921,20 @@ struct ieee80211_rts {
        __le16 duration;
        u8 ra[6];
        u8 ta[6];
-} __attribute__ ((packed));
+} __packed __aligned(2);
 
 struct ieee80211_cts {
        __le16 frame_control;
        __le16 duration;
        u8 ra[6];
-} __attribute__ ((packed));
+} __packed __aligned(2);
 
 struct ieee80211_pspoll {
        __le16 frame_control;
        __le16 aid;
        u8 bssid[6];
        u8 ta[6];
-} __attribute__ ((packed));
+} __packed __aligned(2);
 
 /* TDLS */
 
@@ -967,6 +1014,26 @@ enum ieee80211_p2p_attr_id {
        IEEE80211_P2P_ATTR_MAX
 };
 
+/* Notice of Absence attribute - described in P2P spec 4.1.14 */
+/* Typical max value used here */
+#define IEEE80211_P2P_NOA_DESC_MAX     4
+
+struct ieee80211_p2p_noa_desc {
+       u8 count;
+       __le32 duration;
+       __le32 interval;
+       __le32 start_time;
+} __packed;
+
+struct ieee80211_p2p_noa_attr {
+       u8 index;
+       u8 oppps_ctwindow;
+       struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
+} __packed;
+
+#define IEEE80211_P2P_OPPPS_ENABLE_BIT         BIT(7)
+#define IEEE80211_P2P_OPPPS_CTWINDOW_MASK      0x7F
+
 /**
  * struct ieee80211_bar - HT Block Ack Request
  *
@@ -980,7 +1047,7 @@ struct ieee80211_bar {
        __u8 ta[6];
        __le16 control;
        __le16 start_seq_num;
-} __attribute__((packed)) __aligned(4);
+} __packed __aligned(4);
 
 /* 802.11 BA(R) control masks */
 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL   0x0000
@@ -1004,7 +1071,7 @@ struct ieee80211_ba {
 
        __le16 start_seq_num;
        u8 bitmap[8];
-} __attribute__((packed));
+} __packed;
 
 #define IEEE80211_HT_MCS_MASK_LEN              10
 
@@ -1022,7 +1089,7 @@ struct ieee80211_mcs_info {
        __le16 rx_highest;
        u8 tx_params;
        u8 reserved[3];
-} __attribute__((packed));
+} __packed;
 
 /* 802.11n HT capability MSC set */
 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK       0x3ff
@@ -1061,7 +1128,7 @@ struct ieee80211_ht_cap {
        __le16 extended_ht_cap_info;
        __le32 tx_BF_cap_info;
        u8 antenna_selection_info;
-} __attribute__ ((packed));
+} __packed;
 
 /* 802.11n HT capabilities masks (for cap_info) */
 #define IEEE80211_HT_CAP_LDPC_CODING           0x0001
@@ -1132,7 +1199,7 @@ struct ieee80211_ht_operation {
        __le16 operation_mode;
        __le16 stbc_param;
        u8 basic_set[16];
-} __attribute__ ((packed));
+} __packed;
 
 /* for ht_param */
 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET              0x03
@@ -1275,38 +1342,36 @@ 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
-#define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454               0x00000002
-#define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ              0x00000004
-#define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ     0x00000008
-#define IEEE80211_VHT_CAP_RXLDPC                              0x00000010
-#define IEEE80211_VHT_CAP_SHORT_GI_80                         0x00000020
-#define IEEE80211_VHT_CAP_SHORT_GI_160                        0x00000040
-#define IEEE80211_VHT_CAP_TXSTBC                              0x00000080
-#define IEEE80211_VHT_CAP_RXSTBC_1                            0x00000100
-#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_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_MU_BEAMFORMER_CAPABLE               0x00080000
-#define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE               0x00100000
-#define IEEE80211_VHT_CAP_VHT_TXOP_PS                         0x00200000
-#define IEEE80211_VHT_CAP_HTC_VHT                             0x00400000
-#define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT          0x00800000
-#define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB   0x08000000
-#define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB     0x0c000000
-#define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN                  0x10000000
-#define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN                  0x20000000
+#define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895                 0x00000000
+#define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991                 0x00000001
+#define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454                        0x00000002
+#define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ               0x00000004
+#define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ      0x00000008
+#define IEEE80211_VHT_CAP_RXLDPC                               0x00000010
+#define IEEE80211_VHT_CAP_SHORT_GI_80                          0x00000020
+#define IEEE80211_VHT_CAP_SHORT_GI_160                         0x00000040
+#define IEEE80211_VHT_CAP_TXSTBC                               0x00000080
+#define IEEE80211_VHT_CAP_RXSTBC_1                             0x00000100
+#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_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
+#define IEEE80211_VHT_CAP_HTC_VHT                              0x00400000
+#define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT     23
+#define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK      \
+               (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
+#define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB    0x08000000
+#define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB      0x0c000000
+#define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN                   0x10000000
+#define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN                   0x20000000
 
 /* Authentication algorithms */
 #define WLAN_AUTH_OPEN 0
@@ -1339,16 +1404,21 @@ struct ieee80211_vht_operation {
 #define WLAN_CAPABILITY_SPECTRUM_MGMT  (1<<8)
 #define WLAN_CAPABILITY_QOS            (1<<9)
 #define WLAN_CAPABILITY_SHORT_SLOT_TIME        (1<<10)
+#define WLAN_CAPABILITY_APSD           (1<<11)
+#define WLAN_CAPABILITY_RADIO_MEASURE  (1<<12)
 #define WLAN_CAPABILITY_DSSS_OFDM      (1<<13)
+#define WLAN_CAPABILITY_DEL_BACK       (1<<14)
+#define WLAN_CAPABILITY_IMM_BACK       (1<<15)
 
 /* DMG (60gHz) 802.11ad */
 /* type - bits 0..1 */
+#define WLAN_CAPABILITY_DMG_TYPE_MASK          (3<<0)
 #define WLAN_CAPABILITY_DMG_TYPE_IBSS          (1<<0) /* Tx by: STA */
 #define WLAN_CAPABILITY_DMG_TYPE_PBSS          (2<<0) /* Tx by: PCP */
 #define WLAN_CAPABILITY_DMG_TYPE_AP            (3<<0) /* Tx by: AP */
 
 #define WLAN_CAPABILITY_DMG_CBAP_ONLY          (1<<2)
-#define WLAN_CAPABILITY_DMG_CBAP_SOURCE        (1<<3)
+#define WLAN_CAPABILITY_DMG_CBAP_SOURCE                (1<<3)
 #define WLAN_CAPABILITY_DMG_PRIVACY            (1<<4)
 #define WLAN_CAPABILITY_DMG_ECPAC              (1<<5)
 
@@ -1744,6 +1814,8 @@ enum ieee80211_tdls_actioncode {
 #define WLAN_EXT_CAPA5_TDLS_ENABLED    BIT(5)
 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6)
 
+#define WLAN_EXT_CAPA8_OPMODE_NOTIF    BIT(6)
+
 /* TDLS specific payload type in the LLC/SNAP header */
 #define WLAN_TDLS_SNAP_RFTYPE  0x2
 
@@ -1862,14 +1934,14 @@ struct ieee80211_country_ie_triplet {
                        u8 first_channel;
                        u8 num_channels;
                        s8 max_power;
-               } __attribute__ ((packed)) chans;
+               } __packed chans;
                struct {
                        u8 reg_extension_id;
                        u8 reg_class;
                        u8 coverage_class;
-               } __attribute__ ((packed)) ext;
+               } __packed ext;
        };
-} __attribute__ ((packed));
+} __packed;
 
 enum ieee80211_timeout_interval_type {
        WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
@@ -1877,6 +1949,16 @@ enum ieee80211_timeout_interval_type {
        WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
 };
 
+/**
+ * struct ieee80211_timeout_interval_ie - Timeout Interval element
+ * @type: type, see &enum ieee80211_timeout_interval_type
+ * @value: timeout interval value
+ */
+struct ieee80211_timeout_interval_ie {
+       u8 type;
+       __le32 value;
+} __packed;
+
 /* BACK action code */
 enum ieee80211_back_actioncode {
        WLAN_ACTION_ADDBA_REQ = 0,
@@ -2117,7 +2199,7 @@ static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
  * @tim_len: length of the TIM IE
  * @aid: the AID to look for
  */
-static inline bool ieee80211_check_tim(struct ieee80211_tim_ie *tim,
+static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
                                       u8 tim_len, u16 aid)
 {
        u8 mask;