/******************************************************************************
*
* This file is provided under a dual BSD/GPLv2 license. When using or
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* GPL LICENSE SUMMARY
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
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*****************************************************************************/
#ifndef __fw_api_mac_h__
#define __fw_api_mac_h__
/*
* The first MAC indices (starting from 0)
* are available to the driver, AUX follows
*/
#define MAC_INDEX_AUX 4
#define MAC_INDEX_MIN_DRIVER 0
#define NUM_MAC_INDEX_DRIVER MAC_INDEX_AUX
#define NUM_MAC_INDEX (MAC_INDEX_AUX + 1)
enum iwl_ac {
AC_BK,
AC_BE,
AC_VI,
AC_VO,
AC_NUM,
};
/**
* enum iwl_mac_protection_flags - MAC context flags
* @MAC_PROT_FLG_TGG_PROTECT: 11g protection when transmitting OFDM frames,
* this will require CCK RTS/CTS2self.
* RTS/CTS will protect full burst time.
* @MAC_PROT_FLG_HT_PROT: enable HT protection
* @MAC_PROT_FLG_FAT_PROT: protect 40 MHz transmissions
* @MAC_PROT_FLG_SELF_CTS_EN: allow CTS2self
*/
enum iwl_mac_protection_flags {
MAC_PROT_FLG_TGG_PROTECT = BIT(3),
MAC_PROT_FLG_HT_PROT = BIT(23),
MAC_PROT_FLG_FAT_PROT = BIT(24),
MAC_PROT_FLG_SELF_CTS_EN = BIT(30),
};
#define MAC_FLG_SHORT_SLOT BIT(4)
#define MAC_FLG_SHORT_PREAMBLE BIT(5)
/**
* enum iwl_mac_types - Supported MAC types
* @FW_MAC_TYPE_FIRST: lowest supported MAC type
* @FW_MAC_TYPE_AUX: Auxiliary MAC (internal)
* @FW_MAC_TYPE_LISTENER: monitor MAC type (?)
* @FW_MAC_TYPE_PIBSS: Pseudo-IBSS
* @FW_MAC_TYPE_IBSS: IBSS
* @FW_MAC_TYPE_BSS_STA: BSS (managed) station
* @FW_MAC_TYPE_P2P_DEVICE: P2P Device
* @FW_MAC_TYPE_P2P_STA: P2P client
* @FW_MAC_TYPE_GO: P2P GO
* @FW_MAC_TYPE_TEST: ?
* @FW_MAC_TYPE_MAX: highest support MAC type
*/
enum iwl_mac_types {
FW_MAC_TYPE_FIRST = 1,
FW_MAC_TYPE_AUX = FW_MAC_TYPE_FIRST,
FW_MAC_TYPE_LISTENER,
FW_MAC_TYPE_PIBSS,
FW_MAC_TYPE_IBSS,
FW_MAC_TYPE_BSS_STA,
FW_MAC_TYPE_P2P_DEVICE,
FW_MAC_TYPE_P2P_STA,
FW_MAC_TYPE_GO,
FW_MAC_TYPE_TEST,
FW_MAC_TYPE_MAX = FW_MAC_TYPE_TEST
}; /* MAC_CONTEXT_TYPE_API_E_VER_1 */
/**
* enum iwl_tsf_id - TSF hw timer ID
* @TSF_ID_A: use TSF A
* @TSF_ID_B: use TSF B
* @TSF_ID_C: use TSF C
* @TSF_ID_D: use TSF D
* @NUM_TSF_IDS: number of TSF timers available
*/
enum iwl_tsf_id {
TSF_ID_A = 0,
TSF_ID_B = 1,
TSF_ID_C = 2,
TSF_ID_D = 3,
NUM_TSF_IDS = 4,
}; /* TSF_ID_API_E_VER_1 */
/**
* struct iwl_mac_data_ap - configuration data for AP MAC context
* @beacon_time: beacon transmit time in system time
* @beacon_tsf: beacon transmit time in TSF
* @bi: beacon interval in TU
* @bi_reciprocal: 2^32 / bi
* @dtim_interval: dtim transmit time in TU
* @dtim_reciprocal: 2^32 / dtim_interval
* @mcast_qid: queue ID for multicast traffic
* @beacon_template: beacon template ID
*/
struct iwl_mac_data_ap {
__le32 beacon_time;
__le64 beacon_tsf;
__le32 bi;
__le32 bi_reciprocal;
__le32 dtim_interval;
__le32 dtim_reciprocal;
__le32 mcast_qid;
__le32 beacon_template;
} __packed; /* AP_MAC_DATA_API_S_VER_1 */
/**
* struct iwl_mac_data_ibss - configuration data for IBSS MAC context
* @beacon_time: beacon transmit time in system time
* @beacon_tsf: beacon transmit time in TSF
* @bi: beacon interval in TU
* @bi_reciprocal: 2^32 / bi
* @beacon_template: beacon template ID
*/
struct iwl_mac_data_ibss {
__le32 beacon_time;
__le64 beacon_tsf;
__le32 bi;
__le32 bi_reciprocal;
__le32 beacon_template;
} __packed; /* IBSS_MAC_DATA_API_S_VER_1 */
/**
* struct iwl_mac_data_sta - configuration data for station MAC context
* @is_assoc: 1 for associated state, 0 otherwise
* @dtim_time: DTIM arrival time in system time
* @dtim_tsf: DTIM arrival time in TSF
* @bi: beacon interval in TU, applicable only when associated
* @bi_reciprocal: 2^32 / bi , applicable only when associated
* @dtim_interval: DTIM interval in TU, applicable only when associated
* @dtim_reciprocal: 2^32 / dtim_interval , applicable only when associated
* @listen_interval: in beacon intervals, applicable only when associated
* @assoc_id: unique ID assigned by the AP during association
*/
struct iwl_mac_data_sta {
__le32 is_assoc;
__le32 dtim_time;
__le64 dtim_tsf;
__le32 bi;
__le32 bi_reciprocal;
__le32 dtim_interval;
__le32 dtim_reciprocal;
__le32 listen_interval;
__le32 assoc_id;
__le32 assoc_beacon_arrive_time;
} __packed; /* STA_MAC_DATA_API_S_VER_1 */
/**
* struct iwl_mac_data_go - configuration data for P2P GO MAC context
* @ap: iwl_mac_data_ap struct with most config data
* @ctwin: client traffic window in TU (period after TBTT when GO is present).
* 0 indicates that there is no CT window.
* @opp_ps_enabled: indicate that opportunistic PS allowed
*/
struct iwl_mac_data_go {
struct iwl_mac_data_ap ap;
__le32 ctwin;
__le32 opp_ps_enabled;
} __packed; /* GO_MAC_DATA_API_S_VER_1 */
/**
* struct iwl_mac_data_p2p_sta - configuration data for P2P client MAC context
* @sta: iwl_mac_data_sta struct with most config data
* @ctwin: client traffic window in TU (period after TBTT when GO is present).
* 0 indicates that there is no CT window.
*/
struct iwl_mac_data_p2p_sta {
struct iwl_mac_data_sta sta;
__le32 ctwin;
} __packed; /* P2P_STA_MAC_DATA_API_S_VER_1 */
/**
* struct iwl_mac_data_pibss - Pseudo IBSS config data
* @stats_interval: interval in TU between statistics notifications to host.
*/
struct iwl_mac_data_pibss {
__le32 stats_interval;
} __packed; /* PIBSS_MAC_DATA_API_S_VER_1 */
/*
* struct iwl_mac_data_p2p_dev - configuration data for the P2P Device MAC
* context.
* @is_disc_extended: if set to true, P2P Device discoverability is enabled on
* other channels as well. This should be to true only in case that the
* device is discoverable and there is an active GO. Note that setting this
* field when not needed, will increase the number of interrupts and have
* effect on the platform power, as this setting opens the Rx filters on
* all macs.
*/
struct iwl_mac_data_p2p_dev {
__le32 is_disc_extended;
} __packed; /* _P2P_DEV_MAC_DATA_API_S_VER_1 */
/**
* enum iwl_mac_filter_flags - MAC context filter flags
* @MAC_FILTER_IN_PROMISC: accept all data frames
* @MAC_FILTER_IN_CONTROL_AND_MGMT: pass all management and
* control frames to the host
* @MAC_FILTER_ACCEPT_GRP: accept multicast frames
* @MAC_FILTER_DIS_DECRYPT: don't decrypt unicast frames
* @MAC_FILTER_DIS_GRP_DECRYPT: don't decrypt multicast frames
* @MAC_FILTER_IN_BEACON: transfer foreign BSS's beacons to host
* (in station mode when associated)
* @MAC_FILTER_OUT_BCAST: filter out all broadcast frames
* @MAC_FILTER_IN_CRC32: extract FCS and append it to frames
* @MAC_FILTER_IN_PROBE_REQUEST: pass probe requests to host
*/
enum iwl_mac_filter_flags {
MAC_FILTER_IN_PROMISC = BIT(0),
MAC_FILTER_IN_CONTROL_AND_MGMT = BIT(1),
MAC_FILTER_ACCEPT_GRP = BIT(2),
MAC_FILTER_DIS_DECRYPT = BIT(3),
MAC_FILTER_DIS_GRP_DECRYPT = BIT(4),
MAC_FILTER_IN_BEACON = BIT(6),
MAC_FILTER_OUT_BCAST = BIT(8),
MAC_FILTER_IN_CRC32 = BIT(11),
MAC_FILTER_IN_PROBE_REQUEST = BIT(12),
};
/**
* enum iwl_mac_qos_flags - QoS flags
* @MAC_QOS_FLG_UPDATE_EDCA: ?
* @MAC_QOS_FLG_TGN: HT is enabled
* @MAC_QOS_FLG_TXOP_TYPE: ?
*
*/
enum iwl_mac_qos_flags {
MAC_QOS_FLG_UPDATE_EDCA = BIT(0),
MAC_QOS_FLG_TGN = BIT(1),
MAC_QOS_FLG_TXOP_TYPE = BIT(4),
};
/**
* struct iwl_ac_qos - QOS timing params for MAC_CONTEXT_CMD
* @cw_min: Contention window, start value in numbers of slots.
* Should be a power-of-2, minus 1. Device's default is 0x0f.
* @cw_max: Contention window, max value in numbers of slots.
* Should be a power-of-2, minus 1. Device's default is 0x3f.
* @aifsn: Number of slots in Arbitration Interframe Space (before
* performing random backoff timing prior to Tx). Device default 1.
* @fifos_mask: FIFOs used by this MAC for this AC
* @edca_txop: Length of Tx opportunity, in uSecs. Device default is 0.
*
* One instance of this config struct for each of 4 EDCA access categories
* in struct iwl_qosparam_cmd.
*
* Device will automatically increase contention window by (2*CW) + 1 for each
* transmission retry. Device uses cw_max as a bit mask, ANDed with new CW
* value, to cap the CW value.
*/
struct iwl_ac_qos {
__le16 cw_min;
__le16 cw_max;
u8 aifsn;
u8 fifos_mask;
__le16 edca_txop;
} __packed; /* AC_QOS_API_S_VER_2 */
/**
* struct iwl_mac_ctx_cmd - command structure to configure MAC contexts
* ( MAC_CONTEXT_CMD = 0x28 )
* @id_and_color: ID and color of the MAC
* @action: action to perform, one of FW_CTXT_ACTION_*
* @mac_type: one of FW_MAC_TYPE_*
* @tsd_id: TSF HW timer, one of TSF_ID_*
* @node_addr: MAC address
* @bssid_addr: BSSID
* @cck_rates: basic rates available for CCK
* @ofdm_rates: basic rates available for OFDM
* @protection_flags: combination of MAC_PROT_FLG_FLAG_*
* @cck_short_preamble: 0x20 for enabling short preamble, 0 otherwise
* @short_slot: 0x10 for enabling short slots, 0 otherwise
* @filter_flags: combination of MAC_FILTER_*
* @qos_flags: from MAC_QOS_FLG_*
* @ac: one iwl_mac_qos configuration for each AC
* @mac_specific: one of struct iwl_mac_data_*, according to mac_type
*/
struct iwl_mac_ctx_cmd {
/* COMMON_INDEX_HDR_API_S_VER_1 */
__le32 id_and_color;
__le32 action;
/* MAC_CONTEXT_COMMON_DATA_API_S_VER_1 */
__le32 mac_type;
__le32 tsf_id;
u8 node_addr[6];
__le16 reserved_for_node_addr;
u8 bssid_addr[6];
__le16 reserved_for_bssid_addr;
__le32 cck_rates;
__le32 ofdm_rates;
__le32 protection_flags;
__le32 cck_short_preamble;
__le32 short_slot;
__le32 filter_flags;
/* MAC_QOS_PARAM_API_S_VER_1 */
__le32 qos_flags;
struct iwl_ac_qos ac[AC_NUM+1];
/* MAC_CONTEXT_COMMON_DATA_API_S */
union {
struct iwl_mac_data_ap ap;
struct iwl_mac_data_go go;
struct iwl_mac_data_sta sta;
struct iwl_mac_data_p2p_sta p2p_sta;
struct iwl_mac_data_p2p_dev p2p_dev;
struct iwl_mac_data_pibss pibss;
struct iwl_mac_data_ibss ibss;
};
} __packed; /* MAC_CONTEXT_CMD_API_S_VER_1 */
static inline u32 iwl_mvm_reciprocal(u32 v)
{
if (!v)
return 0;
return 0xFFFFFFFF / v;
}
#define IWL_NONQOS_SEQ_GET 0x1
#define IWL_NONQOS_SEQ_SET 0x2
struct iwl_nonqos_seq_query_cmd {
__le32 get_set_flag;
__le32 mac_id_n_color;
__le16 value;
__le16 reserved;
} __packed; /* NON_QOS_TX_COUNTER_GET_SET_API_S_VER_1 */
#endif /* __fw_api_mac_h__ */
