718 #define	DRHASH(dr)	XIDHASH((dr)->dr_xid)  argument
757 	struct dupreq *dr;  in svc_cots_kdup()  local
768 	dr = cotsdrhashtbl[XIDHASH(xid)];  in svc_cots_kdup()
769 	while (dr != NULL) {  in svc_cots_kdup()
770 		if (dr->dr_xid == xid &&  in svc_cots_kdup()
771 		    dr->dr_proc == req->rq_proc &&  in svc_cots_kdup()
772 		    dr->dr_prog == req->rq_prog &&  in svc_cots_kdup()
773 		    dr->dr_vers == req->rq_vers &&  in svc_cots_kdup()
774 		    dr->dr_addr.len == req->rq_xprt->xp_rtaddr.len &&  in svc_cots_kdup()
775 		    bcmp((caddr_t)dr->dr_addr.buf,  in svc_cots_kdup()
777 		    dr->dr_addr.len) == 0) {  in svc_cots_kdup()
778 			status = dr->dr_status;  in svc_cots_kdup()
780 				bcopy(dr->dr_resp.buf, res, size);  in svc_cots_kdup()
782 					*dupcachedp = (dr->dr_resfree != NULL);  in svc_cots_kdup()
786 				dr->dr_status = DUP_INPROGRESS;  in svc_cots_kdup()
787 				*drpp = dr;  in svc_cots_kdup()
796 		dr = dr->dr_chain;  in svc_cots_kdup()
804 		dr = kmem_alloc(sizeof (*dr), KM_NOSLEEP);  in svc_cots_kdup()
805 		if (dr == NULL) {  in svc_cots_kdup()
809 		dr->dr_resp.buf = NULL;  in svc_cots_kdup()
810 		dr->dr_resp.maxlen = 0;  in svc_cots_kdup()
811 		dr->dr_addr.buf = NULL;  in svc_cots_kdup()
812 		dr->dr_addr.maxlen = 0;  in svc_cots_kdup()
814 			dr->dr_next = cotsdrmru->dr_next;  in svc_cots_kdup()
815 			cotsdrmru->dr_next = dr;  in svc_cots_kdup()
817 			dr->dr_next = dr;  in svc_cots_kdup()
821 		dr = cotsdrmru->dr_next;  in svc_cots_kdup()
822 		while (dr->dr_status == DUP_INPROGRESS) {  in svc_cots_kdup()
823 			dr = dr->dr_next;  in svc_cots_kdup()
824 			if (dr == cotsdrmru->dr_next) {  in svc_cots_kdup()
830 		unhash(dr);  in svc_cots_kdup()
831 		if (dr->dr_resfree) {  in svc_cots_kdup()
832 			(*dr->dr_resfree)(dr->dr_resp.buf);  in svc_cots_kdup()
835 	dr->dr_resfree = NULL;  in svc_cots_kdup()
836 	cotsdrmru = dr;  in svc_cots_kdup()
838 	dr->dr_xid = REQTOXID(req);  in svc_cots_kdup()
839 	dr->dr_prog = req->rq_prog;  in svc_cots_kdup()
840 	dr->dr_vers = req->rq_vers;  in svc_cots_kdup()
841 	dr->dr_proc = req->rq_proc;  in svc_cots_kdup()
842 	if (dr->dr_addr.maxlen < req->rq_xprt->xp_rtaddr.len) {  in svc_cots_kdup()
843 		if (dr->dr_addr.buf != NULL)  in svc_cots_kdup()
844 			kmem_free(dr->dr_addr.buf, dr->dr_addr.maxlen);  in svc_cots_kdup()
845 		dr->dr_addr.maxlen = req->rq_xprt->xp_rtaddr.len;  in svc_cots_kdup()
846 		dr->dr_addr.buf = kmem_alloc(dr->dr_addr.maxlen, KM_NOSLEEP);  in svc_cots_kdup()
847 		if (dr->dr_addr.buf == NULL) {  in svc_cots_kdup()
848 			dr->dr_addr.maxlen = 0;  in svc_cots_kdup()
849 			dr->dr_status = DUP_DROP;  in svc_cots_kdup()
854 	dr->dr_addr.len = req->rq_xprt->xp_rtaddr.len;  in svc_cots_kdup()
855 	bcopy(req->rq_xprt->xp_rtaddr.buf, dr->dr_addr.buf, dr->dr_addr.len);  in svc_cots_kdup()
856 	if (dr->dr_resp.maxlen < size) {  in svc_cots_kdup()
857 		if (dr->dr_resp.buf != NULL)  in svc_cots_kdup()
858 			kmem_free(dr->dr_resp.buf, dr->dr_resp.maxlen);  in svc_cots_kdup()
859 		dr->dr_resp.maxlen = (unsigned int)size;  in svc_cots_kdup()
860 		dr->dr_resp.buf = kmem_alloc(size, KM_NOSLEEP);  in svc_cots_kdup()
861 		if (dr->dr_resp.buf == NULL) {  in svc_cots_kdup()
862 			dr->dr_resp.maxlen = 0;  in svc_cots_kdup()
863 			dr->dr_status = DUP_DROP;  in svc_cots_kdup()
868 	dr->dr_status = DUP_INPROGRESS;  in svc_cots_kdup()
870 	drhash = (uint32_t)DRHASH(dr);  in svc_cots_kdup()
871 	dr->dr_chain = cotsdrhashtbl[drhash];  in svc_cots_kdup()
872 	cotsdrhashtbl[drhash] = dr;  in svc_cots_kdup()
875 	*drpp = dr;  in svc_cots_kdup()
889 svc_cots_kdupdone(struct dupreq *dr, caddr_t res, void (*dis_resfree)(),  in svc_cots_kdupdone()  argument
892 	ASSERT(dr->dr_resfree == NULL);  in svc_cots_kdupdone()
894 		bcopy(res, dr->dr_resp.buf, size);  in svc_cots_kdupdone()
895 		dr->dr_resfree = dis_resfree;  in svc_cots_kdupdone()
897 	dr->dr_status = status;  in svc_cots_kdupdone()
904 unhash(struct dupreq *dr)  in unhash()  argument
912 	drhash = (uint32_t)DRHASH(dr);  in unhash()
915 		if (drt == dr) {  in unhash()