include/rdma/ib_pma.h

Source file repositories/reference/linux-study-clean/include/rdma/ib_pma.h

File Facts

System
Linux kernel
Corpus path
include/rdma/ib_pma.h
Extension
.h
Size
4268 bytes
Lines
131
Domain
Repository Root And Misc
Bucket
include
Inferred role
Repository Root And Misc: implementation source
Status
source implementation candidate

Why This File Exists

Top-level or miscellaneous repository surface. Use this as map coverage unless a later manual pass promotes the file into a deeper subsystem dossier.

Dependency Surface

Detected Declarations

Annotated Snippet

struct ib_pma_mad {
	struct ib_mad_hdr mad_hdr;
	u8 reserved[40];
	u8 data[192];
} __packed;

struct ib_pma_portsamplescontrol {
	u8 opcode;
	u8 port_select;
	u8 tick;
	u8 counter_width;		/* resv: 7:3, counter width: 2:0 */
	__be32 counter_mask0_9;		/* 2, 10 3-bit fields */
	__be16 counter_mask10_14;	/* 1, 5 3-bit fields */
	u8 sample_mechanisms;
	u8 sample_status;		/* only lower 2 bits */
	__be64 option_mask;
	__be64 vendor_mask;
	__be32 sample_start;
	__be32 sample_interval;
	__be16 tag;
	__be16 counter_select[15];
	__be32 reserved1;
	__be64 samples_only_option_mask;
	__be32 reserved2[28];
};

struct ib_pma_portsamplesresult {
	__be16 tag;
	__be16 sample_status;   /* only lower 2 bits */
	__be32 counter[15];
};

struct ib_pma_portsamplesresult_ext {
	__be16 tag;
	__be16 sample_status;   /* only lower 2 bits */
	__be32 extended_width;  /* only upper 2 bits */
	__be64 counter[15];
};

struct ib_pma_portcounters {
	u8 reserved;
	u8 port_select;
	__be16 counter_select;
	__be16 symbol_error_counter;
	u8 link_error_recovery_counter;
	u8 link_downed_counter;
	__be16 port_rcv_errors;
	__be16 port_rcv_remphys_errors;
	__be16 port_rcv_switch_relay_errors;
	__be16 port_xmit_discards;
	u8 port_xmit_constraint_errors;
	u8 port_rcv_constraint_errors;
	u8 reserved1;
	u8 link_overrun_errors; /* LocalLink: 7:4, BufferOverrun: 3:0 */
	__be16 reserved2;
	__be16 vl15_dropped;
	__be32 port_xmit_data;
	__be32 port_rcv_data;
	__be32 port_xmit_packets;
	__be32 port_rcv_packets;
	__be32 port_xmit_wait;
} __packed;


#define IB_PMA_SEL_SYMBOL_ERROR                 cpu_to_be16(0x0001)
#define IB_PMA_SEL_LINK_ERROR_RECOVERY          cpu_to_be16(0x0002)
#define IB_PMA_SEL_LINK_DOWNED                  cpu_to_be16(0x0004)
#define IB_PMA_SEL_PORT_RCV_ERRORS              cpu_to_be16(0x0008)
#define IB_PMA_SEL_PORT_RCV_REMPHYS_ERRORS      cpu_to_be16(0x0010)
#define IB_PMA_SEL_PORT_XMIT_DISCARDS           cpu_to_be16(0x0040)
#define IB_PMA_SEL_LOCAL_LINK_INTEGRITY_ERRORS  cpu_to_be16(0x0200)
#define IB_PMA_SEL_EXCESSIVE_BUFFER_OVERRUNS    cpu_to_be16(0x0400)
#define IB_PMA_SEL_PORT_VL15_DROPPED            cpu_to_be16(0x0800)
#define IB_PMA_SEL_PORT_XMIT_DATA               cpu_to_be16(0x1000)
#define IB_PMA_SEL_PORT_RCV_DATA                cpu_to_be16(0x2000)
#define IB_PMA_SEL_PORT_XMIT_PACKETS            cpu_to_be16(0x4000)
#define IB_PMA_SEL_PORT_RCV_PACKETS             cpu_to_be16(0x8000)

struct ib_pma_portcounters_ext {
	u8 reserved;
	u8 port_select;
	__be16 counter_select;
	__be32 reserved1;
	__be64 port_xmit_data;
	__be64 port_rcv_data;
	__be64 port_xmit_packets;
	__be64 port_rcv_packets;
	__be64 port_unicast_xmit_packets;
	__be64 port_unicast_rcv_packets;
	__be64 port_multicast_xmit_packets;

Annotation

Implementation Notes