MGMTFRAME
[ME]

Declaration of all structures and functions used by the MGMT Frames. More...

Collaboration diagram for MGMTFRAME:

Functions
uint32_t	me_add_ie_ssid (uint32_t frame_addr, uint8_t ssid_len, uint8_t ssid)
	Add SSID Information Element in a frame.
uint32_t	me_add_ie_supp_rates (uint32_t frame_addr, struct mac_rateset rateset)
	Add Supported Rate Information Element in a frame.
uint32_t	me_add_ie_ext_supp_rates (uint32_t frame_addr, struct mac_rateset rateset)
	Add Extended Supported Rate Information Element in a frame.
uint32_t	me_add_ie_tim (uint32_t *frame_addr, uint8_t dtim_period)
	Add TIM (Traffic Indication Map) Information Element in a frame.
uint32_t	me_add_ie_dsss_param (uint32_t *frame_addr, uint8_t chan)
	Add DS Parameter Information Element in a frame.
uint32_t	me_add_ie_ht_capa (uint32_t *frame_addr)
	Add HT Capabilities Information Element in a frame.
uint32_t	me_add_ie_ht_oper (uint32_t frame_addr, struct vif_info_tag vif)
	Add HT Operation Information Element in a frame.
uint16_t	me_build_authenticate (uint32_t frame, uint16_t algo_type, uint16_t seq_nbr, uint16_t status_code, uint32_t *challenge_array_ptr)
	Build an Authentication frame at the AP and the STA.
uint16_t	me_build_deauthenticate (uint32_t frame, uint16_t reason_code)
	Build a De authentication frame at the AP and the STA.
uint16_t	me_build_associate_req (uint32_t frame, struct me_bss_info bss, struct mac_addr old_ap_addr_ptr, uint8_t vif_idx, uint32_t ie_addr, uint16_t ie_len, struct sm_connect_req const *con_par)
	used to build the Associated REQ frame at STA
void	me_extract_rate_set (uint32_t buffer, uint16_t buflen, struct mac_rateset *mac_rate_set_ptr)
	This function is called to extract the rateset from a management frame.
uint16_t	me_build_add_ba_req (uint32_t frame, struct bam_env_tag *bam_env)
	Builds the ADDBA REQ frame.
uint16_t	me_build_add_ba_rsp (uint32_t frame, struct bam_env_tag *bam_env, uint16_t param, uint8_t dialog_token, uint16_t status_code)
	Builds the ADDBA RSP frame.
uint16_t	me_build_del_ba (uint32_t frame, struct bam_env_tag *bam_env, uint16_t reason_code)
	Builds the DELBA IND frame.
void	me_extract_power_constraint (uint32_t buffer, uint16_t buflen, struct me_bss_info *bss)
	Extract local power constraint from Power Constraint IE.
void	me_extract_country_reg (uint32_t buffer, uint16_t buflen, struct me_bss_info *bss)
	Update tx_power of bss channel from Country IE.
void	me_extract_mobility_domain (uint32_t buffer, uint16_t buflen, struct me_bss_info *bss)
	Extract Mobility Domain IE.
int	me_extract_csa (uint32_t buffer, uint16_t buflen, uint8_t mode, struct mac_chan_op chan_desc)
	Extract Channel Switch Announcement (csa) information from beacon.
bool	me_extract_edca_params (uint32_t buffer, uint16_t buflen, struct mac_edca_param_set edca_param, bool changed)
	Extract EDCA parameters (i.e.
bool	me_extract_ht_capa (uint32_t buffer, uint16_t buflen, struct mac_htcapability *ht_cap)
	Extract HT capability element from Beacon or ProbeRsp.
bool	me_extract_vht_capa (uint32_t buffer, uint16_t buflen, struct mac_vhtcapability *vht_cap)
	Extract VHT capability element from Beacon or ProbeRsp.

Detailed Description

Declaration of all structures and functions used by the MGMT Frames.

Function Documentation

uint32_t me_add_ie_dsss_param	(	uint32_t *	frame_addr,
		uint8_t	chan
	)

Add DS Parameter Information Element in a frame.

Byte 0: Element ID Byte 1: Length Byte 2: Channel

Parameters:

`[in,out]`	frame_addr	Pointer to the address at which IE has to be added. When leaving the function, the pointer value matches with the new end of the frame.
`[in]`	chan	Current Channel

Returns:: Number of bytes that have been added to the provided frame.

Definition at line 205 of file me_mgmtframe.c.

References co_write8p(), MAC_ELTID_DS, MAC_INFOELT_ID_OFT, MAC_INFOELT_INFO_OFT, and MAC_INFOELT_LEN_OFT.

uint32_t me_add_ie_ext_supp_rates	(	uint32_t *	frame_addr,
		struct mac_rateset *	rateset
	)

Add Extended Supported Rate Information Element in a frame.

Byte 0: Element ID Byte 1: Length Byte 2-variable: Rates

Parameters:

`[in,out]`	frame_addr	Pointer to the address at which IE has to be added. When leaving the function, the pointer value matches with the new end of the frame.
`[in]`	rateset	Supported Rates. Number of rates shall be higher than 8 when entering in this function.

Returns:: Number of bytes that have been added to the provided frame.

Definition at line 160 of file me_mgmtframe.c.

References mac_rateset::array, co_pack8p(), co_write8p(), mac_rateset::length, MAC_ELTID_EXT_RATES, MAC_INFOELT_ID_OFT, MAC_INFOELT_INFO_OFT, MAC_INFOELT_LEN_OFT, and MAC_RATES_ELMT_MAX_LEN.

Referenced by me_build_associate_req().

uint32_t me_add_ie_ht_capa ( uint32_t * frame_addr )

Add HT Capabilities Information Element in a frame.

Parameters:

[in,out] frame_addr Pointer to the address at which IE has to be added. When leaving the function, the pointer value matches with the new end of the frame.

Returns:: Number of bytes that have been added to the provided frame.

Definition at line 226 of file me_mgmtframe.c.

References mac_htcapability::a_mpdu_param, mac_htcapability::asel_capa, co_htows(), co_pack8p(), co_write16p(), co_write8p(), me_env_tag::ht_cap, mac_htcapability::ht_capa_info, mac_htcapability::ht_extended_capa, MAC_ELTID_HT_CAPA, MAC_HT_CAPA_AMPDU_PARAM_OFT, MAC_HT_CAPA_ASEL_CAPA_OFT, MAC_HT_CAPA_ELMT_LEN, MAC_HT_CAPA_EXTENDED_CAPA_OFT, MAC_HT_CAPA_ID_OFT, MAC_HT_CAPA_INFO_OFT, MAC_HT_CAPA_LEN_OFT, MAC_HT_CAPA_SUPPORTED_MCS_SET_OFT, MAC_HT_CAPA_TX_BEAM_FORMING_CAPA_OFT, MAC_HTCAPA_SMPS_DISABLE, MAC_HTCAPA_SMPS_MSK, MAC_INFOELT_INFO_OFT, MAX_MCS_LEN, mac_htcapability::mcs_rate, me_env, and mac_htcapability::tx_beamforming_capa.

Referenced by me_build_associate_req(), and scanu_build_ie().

uint32_t me_add_ie_ht_oper	(	uint32_t *	frame_addr,
		struct vif_info_tag *	vif
	)

Add HT Operation Information Element in a frame.

Parameters:

`[in,out]`	frame_addr	Pointer to the address at which IE has to be added. When leaving the function, the pointer value matches with the new end of the frame.
`[in]`	vif	Pointer to the structure containing information about the VIF for which the Information Element has to be filled.

Returns:: Number of bytes that have been added to the provided frame.

Definition at line 256 of file me_mgmtframe.c.

References mac_chan_op::band, BW_20MHZ, mac_chan_op::center1_freq, vif_info_tag::chan_ctxt, chan_ctxt_tag::channel, co_write16p(), co_write8p(), MAC_ELTID_HT_OPERATION, MAC_HT_OPER_BASIC_MSC_SET_OFT, MAC_HT_OPER_ELMT_LEN, MAC_HT_OPER_ID_OFT, MAC_HT_OPER_INFO_OFT, MAC_HT_OPER_INFO_SUBSET2_OFT, MAC_HT_OPER_INFO_SUBSET3_OFT, MAC_HT_OPER_LEN_OFT, MAC_HT_OPER_OP_MODE_MASK, MAC_HT_OPER_PRIM_CH_OFT, MAC_INFOELT_INFO_OFT, phy_freq_to_channel(), mac_chan_op::prim20_freq, and mac_chan_op::type.

uint32_t me_add_ie_ssid	(	uint32_t *	frame_addr,
		uint8_t	ssid_len,
		uint8_t *	ssid
	)

Add SSID Information Element in a frame.

Byte 0: Element ID Byte 1: Length Byte 2-variable: SSID

Parameters:

`[in,out]`	frame_addr	Pointer to the address at which IE has to be added. When leaving the function, the pointer value matches with the new end of the frame.
`[in]`	ssid_len	Length of the SSID
`[in]`	ssid	Pointer to the SSID value in the memory

Returns:: Number of bytes that have been added to the provided frame.

Definition at line 115 of file me_mgmtframe.c.

References co_pack8p(), co_write8p(), MAC_ELTID_SSID, MAC_INFOELT_ID_OFT, MAC_INFOELT_INFO_OFT, and MAC_INFOELT_LEN_OFT.

Referenced by me_build_associate_req().

uint32_t me_add_ie_supp_rates	(	uint32_t *	frame_addr,
		struct mac_rateset *	rateset
	)

Add Supported Rate Information Element in a frame.

Byte 0: Element ID Byte 1: Length Byte 2-variable: Rates

Parameters:

`[in,out]`	frame_addr	Pointer to the address at which IE has to be added. When leaving the function, the pointer value matches with the new end of the frame.
`[in]`	rateset	Supported Rates. If number of rates is higher than 8, rates from position 8 will have to be part of a Extended Supported Rate IE.

Returns:: Number of bytes that have been added to the provided frame.

Definition at line 138 of file me_mgmtframe.c.

References mac_rateset::array, co_min(), co_pack8p(), co_write8p(), mac_rateset::length, MAC_ELTID_RATES, MAC_INFOELT_ID_OFT, MAC_INFOELT_INFO_OFT, MAC_INFOELT_LEN_OFT, and MAC_RATES_ELMT_MAX_LEN.

Referenced by me_build_associate_req().

uint32_t me_add_ie_tim	(	uint32_t *	frame_addr,
		uint8_t	dtim_period
	)

Add TIM (Traffic Indication Map) Information Element in a frame.

Byte 0: Element ID Byte 1: Length Byte 2: DTIM Count (updated by mm_bcn module before beacon transmission) Byte 3: DTIM Period (read and used by mm_bcn module) Byte 4: Bitmap Control (updated by mm_bcn module) Byte 5: Partial Virtual Bitmap (updated by mm_bcn module)

Parameters:

`[in,out]`	frame_addr	Pointer to the address at which IE has to be added. When leaving the function, the pointer value matches with the new end of the frame.
`[in]`	dtim_period	DTIM Period

Returns:: Number of bytes that have been added to the provided frame.

Definition at line 184 of file me_mgmtframe.c.

References co_write8p(), MAC_ELTID_TIM, MAC_INFOELT_ID_OFT, MAC_INFOELT_INFO_OFT, MAC_INFOELT_LEN_OFT, and MAC_TIM_PERIOD_OFT.

uint16_t me_build_add_ba_req	(	uint32_t	frame,
		struct bam_env_tag *	bam_env
	)

Builds the ADDBA REQ frame.

Parameters:

`[in]`	frame	Address of the mac frame
`[in]`	bam_env	Pointer to BAM environment

Returns:: The length of the built frame.

Definition at line 734 of file me_mgmtframe.c.

References bam_env_tag::ba_timeout, BAM_ADDBAREQ_BA_PARAM_OFFSET, BAM_ADDBAREQ_BA_SSC_OFFSET, BAM_ADDBAREQ_BA_TIMEOUT_OFFSET, BAM_ADDBAREQ_LENGTH, co_htows(), co_write16p(), co_write8p(), bam_env_tag::dialog_token, MAC_ACTION_ACTION_OFT, MAC_ACTION_TOKEN_OFT, MAC_BA_ACTION_ADDBA_REQ, MAC_BA_ACTION_CATEGORY, me_add_ba_ssc_frame(), and me_add_baparamset_frame().

uint16_t me_build_add_ba_rsp	(	uint32_t	frame,
		struct bam_env_tag *	bam_env,
		uint16_t	param,
		uint8_t	dialog_token,
		uint16_t	status_code
	)

Builds the ADDBA RSP frame.

Parameters:

`[in]`	frame	Address of the mac frame
`[in]`	bam_env	Pointer to BAM environment
`[in]`	param	BA Parameter.
`[in]`	dialog_token	Value of the Dialog Token.
`[in]`	status_code	Used to indicate status of the response.

Returns:: The length of the built frame.

Definition at line 751 of file me_mgmtframe.c.

References bam_env_tag::ba_timeout, BAM_ADDBARSP_BA_PARAM_OFFSET, BAM_ADDBARSP_BA_TIMEOUT_OFFSET, BAM_ADDBARSP_LENGTH, BAM_ADDBARSP_STATUS_OFFSET, co_htows(), co_write16p(), co_write8p(), MAC_ACTION_ACTION_OFT, MAC_ACTION_TOKEN_OFT, MAC_BA_ACTION_ADDBA_RSP, MAC_BA_ACTION_CATEGORY, and MAC_BA_ST_SUCCESS.

uint16_t me_build_associate_req	(	uint32_t	frame,
		struct me_bss_info *	bss,
		struct mac_addr *	old_ap_addr_ptr,
		uint8_t	vif_idx,
		uint32_t *	ie_addr,
		uint16_t *	ie_len,
		struct sm_connect_req const *	con_par
	)

used to build the Associated REQ frame at STA

Parameters:

`[in]`	frame	Address of the mac frame
`[in]`	bss	Pointer to the BSS information structure
`[in]`	old_ap_addr_ptr	Pointer to the old AP address
`[in]`	vif_idx	Index to VIF instance
`[out]`	ie_addr	Pointer to the address of the IEs
`[out]`	ie_len	Pointer to the length of the IEs
`[in]`	con_par	Pointer to the SM connection parameter structure

Returns:: The length of the built frame

Definition at line 537 of file me_mgmtframe.c.

References mac_ssid::array, mac_chan_def::band, mac_chan_op::band, BSS_CAPA, me_env_tag::chan, me_bss_info::chan, me_chan_config_req::chan2G4, me_chan_config_req::chan2G4_cnt, me_chan_config_req::chan5G, me_chan_config_req::chan5G_cnt, CHAN_DISABLED, co_copy8p(), co_htows(), co_pack8p(), co_write16p(), co_write8p(), CPU2HW, me_bss_info::edca_param, mac_chan_def::flags, mac_chan_def::freq, mobility_domain::ft_capability_policy, sm_env_tag::ft_over_ds, HW2CPU, sm_connect_req::ie_buf, sm_connect_req::ie_len, mac_rateset::length, mac_ssid::length, sm_connect_req::listen_interval, LOCAL_CAPA, MAC_ADDR_CPY, MAC_ASSO_REQ_CAPA_OFT, MAC_ASSO_REQ_LISTEN_OFT, MAC_ASSO_REQ_SSID_OFT, MAC_CAPA_SPECTRUM, MAC_ELTID_MDE, MAC_ELTID_POWER_CAPABILITY, MAC_ELTID_SUPPORTED_CHANNELS, MAC_INFOELT_INFO_OFT, MAC_INFOELT_LEN_OFT, MAC_INFOELT_MDE_ELMT_LEN, MAC_INFOELT_MDE_FT_CAPA_POL_OFT, MAC_INFOELT_MDE_ID_OFT, MAC_INFOELT_MDE_LEN, MAC_INFOELT_MDE_LEN_OFT, MAC_INFOELT_MDE_MDID_OFT, MAC_POWER_CAPABILITY_IE_LEN, MAC_QOS_INFO_AP_UAPSD_ENABLED, MAC_RATES_ELMT_MAX_LEN, MAC_RAW_WME_INFO_ELMT_DEFAULT, MAC_REASSO_REQ_AP_ADDR_OFT, MAC_REASSO_REQ_SSID_OFT, MAC_WME_PARAM_LEN, me_bss_info::mde, mobility_domain::mdid, me_11ac_nss_max(), me_add_ie_ext_supp_rates(), me_add_ie_ht_capa(), me_add_ie_ssid(), me_add_ie_supp_rates(), me_build_capability(), ME_DEFAULT_LISTEN_INTERVAL, me_env, me_phy2mac_bw(), PHY_BAND_2G4, me_env_tag::phy_bw_max, phy_freq_to_channel(), phy_get_rf_gain_capab(), ps_uapsd_enabled(), mac_edca_param_set::qos_info, me_bss_info::rate_set, sm_env, me_bss_info::ssid, mac_chan_op::tx_power, and sm_connect_req::uapsd_queues.

uint16_t me_build_authenticate	(	uint32_t	frame,
		uint16_t	algo_type,
		uint16_t	seq_nbr,
		uint16_t	status_code,
		uint32_t *	challenge_array_ptr
	)

Build an Authentication frame at the AP and the STA.

Parameters:

`[in]`	frame	Address of the payload
`[in]`	algo_type	indicates a single authentication algorithm.
`[in]`	seq_nbr	indicates the current state of progress through a multi-step transaction
`[in]`	status_code	indicate the success or failure of a req operation
`[in]`	challenge_array_ptr	pointer to the challenge_array

Returns:: The length of the built frame

Definition at line 500 of file me_mgmtframe.c.

References CHALLENGE_TEXT_SIZE, co_copy8p(), co_htows(), co_write16p(), co_write8p(), CPU2HW, MAC_AUTH_ALGONBR_OFT, MAC_AUTH_CHALLENGE_LEN, MAC_AUTH_CHALLENGE_OFT, MAC_AUTH_SEQNBR_OFT, MAC_AUTH_STATUS_OFT, MAC_CHALLENGE_ID_OFT, MAC_CHALLENGE_LEN_OFT, MAC_CHALLENGE_TEXT_OFT, and MAC_ELTID_CHALLENGE.

uint16_t me_build_deauthenticate	(	uint32_t	frame,
		uint16_t	reason_code
	)

Build a De authentication frame at the AP and the STA.

Parameters:

`[in]`	frame	Address of the mac frame
`[in]`	reason_code	Used to indicate reason for generating Deauthentication

Returns:: The length of the built frame

Definition at line 526 of file me_mgmtframe.c.

References co_htows(), co_write16p(), MAC_DISASSOC_REASON_LEN, and MAC_DISASSOC_REASON_OFT.

uint16_t me_build_del_ba	(	uint32_t	frame,
		struct bam_env_tag *	bam_env,
		uint16_t	reason_code
	)

Builds the DELBA IND frame.

Parameters:

`[in]`	frame	Address of the mac frame
`[in]`	bam_env	Pointer to BAM environment
`[in]`	reason_code	Used to indicate reason for deleting.

Returns:: The length of the built frame.

Definition at line 772 of file me_mgmtframe.c.

References BAM_DELBA_LENGTH, BAM_DELBA_PARAM_OFFSET, BAM_DELBA_REASON_OFFSET, co_htows(), co_write16p(), co_write8p(), MAC_ACTION_ACTION_OFT, MAC_BA_ACTION_CATEGORY, MAC_BA_ACTION_DELBA, and me_del_baparamset_frame().

void me_extract_country_reg	(	uint32_t	buffer,
		uint16_t	buflen,
		struct me_bss_info *	bss
	)

Update tx_power of bss channel from Country IE.

If country IE is found, update tx power of the bss channel with the tx power set in country IE. Note: Other channel tx power are not updated (assume driver will provide updated channel description after association)

Parameters:

`[in]`	buffer	Pointer to the Beacon/ProbeRsp frame buffer
`[in]`	buflen	Beacon/ProbeRsp frame length
`[out]`	bss	Pointer to the bss info structure

Definition at line 859 of file me_mgmtframe.c.

References mac_chan_op::band, me_bss_info::chan, co_read8p(), MAC_COUNTRY_FIRST_CHAN_OFT, MAC_COUNTRY_NB_CHAN_OFT, MAC_COUNTRY_PWR_LEVEL_OFT, MAC_COUNTRY_STRING_LEN, MAC_COUNTRY_STRING_OFT, MAC_COUNTRY_TRIPLET_LEN, mac_ie_country_find(), PHY_BAND_2G4, phy_freq_to_channel(), mac_chan_op::prim20_freq, and mac_chan_op::tx_power.

Referenced by scanu_join_frame_handler().

int me_extract_csa	(	uint32_t	buffer,
		uint16_t	buflen,
		uint8_t *	mode,
		struct mac_chan_op *	chan_desc
	)

Extract Channel Switch Announcement (csa) information from beacon.

If CSA (or ECSA) IE is detected in the beacon, this function will extract target channel configuration, csa counter and csa mode.

Parameters:

`[in]`	buffer	Pointer to the Beacon frame buffer
`[in]`	buflen	Beacon frame length
`[out]`	mode	Indicates whether transmission must be paused or not until channel switch
`[out]`	chan_desc	Configuration of target channel

Returns:: The CSA counter (i.e. number of beacon before actual channel switch). 0 means no CSA detected or CSA elements not valid.

Definition at line 916 of file me_mgmtframe.c.

References mac_chan_op::band, mac_chan_op::center1_freq, mac_chan_op::center2_freq, co_read8p(), mac_ie_csa_find(), mac_ie_ecsa_find(), mac_ie_sec_chnl_offset_find(), mac_ie_wide_bw_chnl_find(), MAC_INFOELT_EXT_SWITCH_COUNT_OFT, MAC_INFOELT_EXT_SWITCH_MODE_OFT, MAC_INFOELT_EXT_SWITCH_NEW_CHAN_OFT, MAC_INFOELT_SEC_CH_OFFSET_OFT, MAC_INFOELT_SWITCH_COUNT_OFT, MAC_INFOELT_SWITCH_MODE_OFT, MAC_INFOELT_SWITCH_NEW_CHAN_OFT, MAC_INFOELT_WIDE_BW_CHAN_SWITCH_NEW_CENTER1_OFT, MAC_INFOELT_WIDE_BW_CHAN_SWITCH_NEW_CENTER2_OFT, MAC_INFOELT_WIDE_BW_CHAN_SWITCH_NEW_CW_OFT, me_init_chan(), me_vht_bandwidth_parse(), PHY_BAND_2G4, PHY_BAND_5G, phy_channel_to_freq(), PHY_CHNL_BW_20, PHY_CHNL_BW_40, mac_chan_op::prim20_freq, and mac_chan_op::type.

Referenced by me_beacon_check().

bool me_extract_edca_params	(	uint32_t	buffer,
		uint16_t	buflen,
		struct mac_edca_param_set *	edca_param,
		bool *	changed
	)

Extract EDCA parameters (i.e.

WMMIE) from Beacon or ProbeRsp If no WMMIE is present in the buffer, default values are set to the EDCA parameters.

Parameters:

`[in]`	buffer	Pointer to the Beacon/ProbeRsp frame buffer
`[in]`	buflen	Beacon/ProbeRsp frame length
`[in,out]`	edca_param	Current EDCA parameter structure stored
`[out]`	changed	Flag indicating whether the element changed since last time we got it

Returns:: true if the WMMIE is present and valid, false otherwise

Definition at line 989 of file me_mgmtframe.c.

References AC_BE, AC_BK, mac_edca_param_set::ac_param, AC_VI, AC_VO, mac_edca_param_set::acm, CO_BIT, co_htowl(), co_read32p(), co_read8p(), mac_ie_wmm_param_find(), MAC_WMM_PARAM_BE_PARAM_OFT, MAC_WMM_PARAM_BK_PARAM_OFT, MAC_WMM_PARAM_QOS_INFO_OFT, MAC_WMM_PARAM_SET_CNT_MSK, MAC_WMM_PARAM_VI_PARAM_OFT, MAC_WMM_PARAM_VO_PARAM_OFT, mac_edca_param_set::param_set_cnt, and mac_edca_param_set::qos_info.

Referenced by me_beacon_check(), and scanu_join_frame_handler().

bool me_extract_ht_capa	(	uint32_t	buffer,
		uint16_t	buflen,
		struct mac_htcapability *	ht_cap
	)

Extract HT capability element from Beacon or ProbeRsp.

Parameters:

`[in]`	buffer	Pointer to the Beacon/ProbeRsp frame buffer
`[in]`	buflen	Beacon/ProbeRsp frame length
`[out]`	ht_cap	HT capability structure

Returns:: true if the HT capability element is present and valid, false otherwise

Definition at line 1063 of file me_mgmtframe.c.

References mac_htcapability::a_mpdu_param, mac_htcapability::asel_capa, co_read16p(), co_read8p(), co_unpack8p(), co_wtohs(), mac_htcapability::ht_capa_info, mac_htcapability::ht_extended_capa, MAC_HT_CAPA_AMPDU_PARAM_OFT, MAC_HT_CAPA_ASEL_CAPA_OFT, MAC_HT_CAPA_EXTENDED_CAPA_OFT, MAC_HT_CAPA_INFO_OFT, MAC_HT_CAPA_SUPPORTED_MCS_SET_OFT, MAC_HT_CAPA_TX_BEAM_FORMING_CAPA_OFT, mac_ie_ht_capa_find(), MAX_MCS_LEN, mac_htcapability::mcs_rate, and mac_htcapability::tx_beamforming_capa.

Referenced by scanu_join_frame_handler().

void me_extract_mobility_domain	(	uint32_t	buffer,
		uint16_t	buflen,
		struct me_bss_info *	bss
	)

Extract Mobility Domain IE.

Parameters:

`[in]`	buffer	Pointer to the Beacon/ProbeRsp frame buffer
`[in]`	buflen	Beacon/ProbeRsp frame length
`[out]`	bss	Pointer to the bss info structure

Definition at line 900 of file me_mgmtframe.c.

References co_read16p(), co_read8p(), mobility_domain::ft_capability_policy, mac_ie_mde_find(), MAC_INFOELT_MDE_FT_CAPA_POL_OFT, MAC_INFOELT_MDE_MDID_OFT, me_bss_info::mde, and mobility_domain::mdid.

Referenced by scanu_join_frame_handler().

void me_extract_power_constraint	(	uint32_t	buffer,
		uint16_t	buflen,
		struct me_bss_info *	bss
	)

Extract local power constraint from Power Constraint IE.

Parameters:

`[in]`	buffer	Pointer to the Beacon/ProbeRsp frame buffer
`[in]`	buflen	Beacon/ProbeRsp frame length
`[out]`	bss	Pointer to the bss info structure in which power_constraint will be updated

Definition at line 845 of file me_mgmtframe.c.

References co_read8p(), mac_ie_power_constraint_find(), MAC_INFOELT_POWER_CONSTRAINT_OFT, and me_bss_info::power_constraint.

Referenced by me_beacon_check(), and scanu_join_frame_handler().

void me_extract_rate_set	(	uint32_t	buffer,
		uint16_t	buflen,
		struct mac_rateset *	mac_rate_set_ptr
	)

This function is called to extract the rateset from a management frame.

Parameters:

`[in]`	buffer	Pointer to the frame buffer
`[in]`	buflen	Frame length
`[out]`	mac_rate_set_ptr	Found rates

Definition at line 787 of file me_mgmtframe.c.

References mac_rateset::array, co_read8p(), mac_rateset::length, MAC_BASIC_RATE, MAC_BSS_MEMBERSHIP_HT_PHY, MAC_BSS_MEMBERSHIP_VHT_PHY, mac_ie_ext_rates_find(), mac_ie_rates_find(), MAC_RATES_RATES_OFT, and MAC_RATESET_LEN.

Referenced by scanu_join_frame_handler().

bool me_extract_vht_capa	(	uint32_t	buffer,
		uint16_t	buflen,
		struct mac_vhtcapability *	vht_cap
	)

Extract VHT capability element from Beacon or ProbeRsp.

Parameters:

`[in]`	buffer	Pointer to the Beacon/ProbeRsp frame buffer
`[in]`	buflen	Beacon/ProbeRsp frame length
`[out]`	vht_cap	VHT capability structure

Returns:: true if the VHT capability element is present and valid, false otherwise

Definition at line 1081 of file me_mgmtframe.c.

References co_read16p(), co_read32p(), co_wtohl(), co_wtohs(), mac_ie_vht_capa_find(), MAC_VHT_CAPA_INFO_OFT, MAC_VHT_RX_HIGHEST_RATE_OFT, MAC_VHT_RX_MCS_MAP_OFT, MAC_VHT_TX_HIGHEST_RATE_OFT, MAC_VHT_TX_MCS_MAP_OFT, mac_vhtcapability::rx_highest, mac_vhtcapability::rx_mcs_map, mac_vhtcapability::tx_highest, mac_vhtcapability::tx_mcs_map, and mac_vhtcapability::vht_capa_info.

Referenced by scanu_join_frame_handler().

MGMTFRAME [ME]

Functions

Detailed Description

Function Documentation

MGMTFRAME
[ME]