988 struct ib_wc {  struct
993 	enum ib_wc_status	status;  argument
994 	enum ib_wc_opcode	opcode;  argument
995 	u32			vendor_err;
996 	u32			byte_len;
997 	struct ib_qp	       *qp;
998 	union {
1001 	} ex;
1002 	u32			src_qp;
1003 	u32			slid;
1004 	int			wc_flags;
1005 	u16			pkey_index;
1006 	u8			sl;
1007 	u8			dlid_path_bits;
1008 	u8			port_num;	/* valid only for DR SMPs on switches */
1009 	u8			smac[ETH_ALEN];
1010 	u16			vlan_id;
1011 	u8			network_hdr_type;