968 struct ib_wc {  struct
973 	enum ib_wc_status	status;  argument
974 	enum ib_wc_opcode	opcode;  argument
975 	u32			vendor_err;
976 	u32			byte_len;
977 	struct ib_qp	       *qp;
978 	union {
981 	} ex;
982 	u32			src_qp;
983 	u32			slid;
984 	int			wc_flags;
985 	u16			pkey_index;
986 	u8			sl;
987 	u8			dlid_path_bits;
988 	u8			port_num;	/* valid only for DR SMPs on switches */
989 	u8			smac[ETH_ALEN];
990 	u16			vlan_id;
991 	u8			network_hdr_type;