83 	struct vio_dring_state *dr;  in flush_rx_dring()  local
88 	dr = &vio->drings[VIO_DRIVER_RX_RING];  in flush_rx_dring()
89 	ident = dr->ident;  in flush_rx_dring()
95 	memset(dr, 0, sizeof(*dr));  in flush_rx_dring()
96 	dr->ident = ident;  in flush_rx_dring()
135 	struct vio_dring_state *dr;  in handshake_failure()  local
147 	dr = &vio->drings[VIO_DRIVER_RX_RING];  in handshake_failure()
148 	memset(dr, 0, sizeof(*dr));  in handshake_failure()
176 	struct vio_dring_state *dr = &vio->drings[VIO_DRIVER_TX_RING];  in send_dreg()  local
181 			  dr->ncookies)];  in send_dreg()
188 	u.pkt.num_descr = dr->num_entries;  in send_dreg()
189 	u.pkt.descr_size = dr->entry_size;  in send_dreg()
191 	u.pkt.num_cookies = dr->ncookies;  in send_dreg()
198 	for (i = 0; i < dr->ncookies; i++) {  in send_dreg()
199 		u.pkt.cookies[i] = dr->cookies[i];  in send_dreg()
414 	struct vio_dring_state *dr;  in process_dreg_info()  local
444 	dr = &vio->drings[VIO_DRIVER_RX_RING];  in process_dreg_info()
446 	dr->num_entries = pkt->num_descr;  in process_dreg_info()
447 	dr->entry_size = pkt->descr_size;  in process_dreg_info()
448 	dr->ncookies = pkt->num_cookies;  in process_dreg_info()
449 	for (i = 0; i < dr->ncookies; i++) {  in process_dreg_info()
450 		dr->cookies[i] = pkt->cookies[i];  in process_dreg_info()
461 	pkt->dring_ident = ++dr->ident;  in process_dreg_info()
470 	       (dr->ncookies * sizeof(struct ldc_trans_cookie)));  in process_dreg_info()
489 	struct vio_dring_state *dr;  in process_dreg_ack()  local
497 	dr = &vio->drings[VIO_DRIVER_TX_RING];  in process_dreg_ack()
502 	dr->ident = pkt->dring_ident;  in process_dreg_ack()
549 	struct vio_dring_state *dr = &vio->drings[VIO_DRIVER_RX_RING];  in process_dunreg()  local
553 	if (pkt->dring_ident != dr->ident)  in process_dunreg()
558 	memset(dr, 0, sizeof(*dr));  in process_dunreg()