986 struct ib_wc {  struct
991 	enum ib_wc_status	status;  argument
992 	enum ib_wc_opcode	opcode;  argument
993 	u32			vendor_err;
994 	u32			byte_len;
995 	struct ib_qp	       *qp;
996 	union {
999 	} ex;
1000 	u32			src_qp;
1001 	u32			slid;
1002 	int			wc_flags;
1003 	u16			pkey_index;
1004 	u8			sl;
1005 	u8			dlid_path_bits;
1006 	u8			port_num;	/* valid only for DR SMPs on switches */
1007 	u8			smac[ETH_ALEN];
1008 	u16			vlan_id;
1009 	u8			network_hdr_type;