drivers/net/wireless/ath/ath11k/rx_desc.h

Source file repositories/reference/linux-study-clean/drivers/net/wireless/ath/ath11k/rx_desc.h

File Facts

System
Linux kernel
Corpus path
drivers/net/wireless/ath/ath11k/rx_desc.h
Extension
.h
Size
49001 bytes
Lines
1507
Domain
Driver Families
Bucket
drivers/net
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

struct rx_attention {
	__le16 info0;
	__le16 phy_ppdu_id;
	__le32 info1;
	__le32 info2;
} __packed;

/* rx_attention
 *
 * rxpcu_mpdu_filter_in_category
 *		Field indicates what the reason was that this mpdu frame
 *		was allowed to come into the receive path by rxpcu. Values
 *		are defined in enum %RX_DESC_RXPCU_FILTER_*.
 *
 * sw_frame_group_id
 *		SW processes frames based on certain classifications. Values
 *		are defined in enum %RX_DESC_SW_FRAME_GRP_ID_*.
 *
 * phy_ppdu_id
 *		A ppdu counter value that PHY increments for every PPDU
 *		received. The counter value wraps around.
 *
 * first_mpdu
 *		Indicates the first MSDU of the PPDU.  If both first_mpdu
 *		and last_mpdu are set in the MSDU then this is a not an
 *		A-MPDU frame but a stand alone MPDU.  Interior MPDU in an
 *		A-MPDU shall have both first_mpdu and last_mpdu bits set to
 *		0.  The PPDU start status will only be valid when this bit
 *		is set.
 *
 * mcast_bcast
 *		Multicast / broadcast indicator.  Only set when the MAC
 *		address 1 bit 0 is set indicating mcast/bcast and the BSSID
 *		matches one of the 4 BSSID registers. Only set when
 *		first_msdu is set.
 *
 * ast_index_not_found
 *		Only valid when first_msdu is set. Indicates no AST matching
 *		entries within the max search count.
 *
 * ast_index_timeout
 *		Only valid when first_msdu is set. Indicates an unsuccessful
 *		search in the address search table due to timeout.
 *
 * power_mgmt
 *		Power management bit set in the 802.11 header.  Only set
 *		when first_msdu is set.
 *
 * non_qos
 *		Set if packet is not a non-QoS data frame.  Only set when
 *		first_msdu is set.
 *
 * null_data
 *		Set if frame type indicates either null data or QoS null
 *		data format.  Only set when first_msdu is set.
 *
 * mgmt_type
 *		Set if packet is a management packet.  Only set when
 *		first_msdu is set.
 *
 * ctrl_type
 *		Set if packet is a control packet.  Only set when first_msdu
 *		is set.
 *
 * more_data
 *		Set if more bit in frame control is set.  Only set when
 *		first_msdu is set.
 *
 * eosp
 *		Set if the EOSP (end of service period) bit in the QoS
 *		control field is set.  Only set when first_msdu is set.
 *
 * a_msdu_error
 *		Set if number of MSDUs in A-MSDU is above a threshold or if the
 *		size of the MSDU is invalid. This receive buffer will contain
 *		all of the remainder of MSDUs in this MPDU w/o decapsulation.
 *
 * fragment
 *		Indicates that this is an 802.11 fragment frame.  This is
 *		set when either the more_frag bit is set in the frame
 *		control or the fragment number is not zero.  Only set when
 *		first_msdu is set.
 *
 * order
 *		Set if the order bit in the frame control is set.  Only set
 *		when first_msdu is set.
 *
 * cce_match
 *		Indicates that this status has a corresponding MSDU that
 *		requires FW processing. The OLE will have classification

Annotation

Implementation Notes