133 	vgen_private_desc_t	*tbufp;  in vgen_create_tx_dring()  local
147 	tbufp = kmem_zalloc(ldcp->num_txds * tbufsize, KM_NOSLEEP);  in vgen_create_tx_dring()
148 	if (tbufp == NULL) {  in vgen_create_tx_dring()
151 	ldcp->tbufp = tbufp;  in vgen_create_tx_dring()
152 	ldcp->tbufendp = &((ldcp->tbufp)[ldcp->num_txds]);  in vgen_create_tx_dring()
208 		tbufp = &(ldcp->tbufp[i]);  in vgen_create_tx_dring()
210 		    &(tbufp->memhandle));  in vgen_create_tx_dring()
212 			tbufp->memhandle = 0;  in vgen_create_tx_dring()
220 		rv = ldc_mem_bind_handle(tbufp->memhandle,  in vgen_create_tx_dring()
222 		    LDC_MEM_R, &(tbufp->memcookie[ci]), &ncookies);  in vgen_create_tx_dring()
231 		tbufp->datap = datap;  in vgen_create_tx_dring()
239 			rv = ldc_mem_nextcookie(tbufp->memhandle,  in vgen_create_tx_dring()
240 			    &(tbufp->memcookie[ci]));  in vgen_create_tx_dring()
246 		tbufp->ncookies = ncookies;  in vgen_create_tx_dring()
249 		tbufp->flags = VGEN_PRIV_DESC_FREE;  in vgen_create_tx_dring()
254 		tbufp->descp = txdp;  in vgen_create_tx_dring()
274 	ldcp->next_tbufp = ldcp->tbufp;  in vgen_create_tx_dring()
275 	ldcp->cur_tbufp = ldcp->tbufp;  in vgen_create_tx_dring()
299 	vgen_private_desc_t	*tbufp = ldcp->tbufp;  in vgen_destroy_tx_dring()  local
308 	if (ldcp->tbufp != NULL) {  in vgen_destroy_tx_dring()
312 			tbufp = &(ldcp->tbufp[i]);  in vgen_destroy_tx_dring()
314 			if (tbufp->datap) { /* if bound to a ldc memhandle */  in vgen_destroy_tx_dring()
315 				(void) ldc_mem_unbind_handle(tbufp->memhandle);  in vgen_destroy_tx_dring()
316 				tbufp->datap = NULL;  in vgen_destroy_tx_dring()
318 			if (tbufp->memhandle) {  in vgen_destroy_tx_dring()
319 				(void) ldc_mem_free_handle(tbufp->memhandle);  in vgen_destroy_tx_dring()
320 				tbufp->memhandle = 0;  in vgen_destroy_tx_dring()
340 	if (ldcp->tbufp != NULL) {  in vgen_destroy_tx_dring()
341 		kmem_free(ldcp->tbufp, ldcp->num_txds * tbufsize);  in vgen_destroy_tx_dring()
342 		ldcp->tbufp = ldcp->tbufendp = NULL;  in vgen_destroy_tx_dring()
590 	vgen_private_desc_t	*tbufp;  in vgen_dringsend()  local
641 	tbufp = ldcp->next_tbufp;  in vgen_dringsend()
642 	ntbufp = NEXTTBUF(ldcp, tbufp);  in vgen_dringsend()
668 	tbufp->flags = VGEN_PRIV_DESC_BUSY;  in vgen_dringsend()
672 	dst = tbufp->datap + VNET_IPALIGN;  in vgen_dringsend()
679 	tbufp->datalen = size;  in vgen_dringsend()
682 	txdp = tbufp->descp;  in vgen_dringsend()
685 	txdp->ncookies = tbufp->ncookies;  in vgen_dringsend()
686 	bcopy((tbufp->memcookie), (txdp->memcookie),  in vgen_dringsend()
687 	    tbufp->ncookies * sizeof (ldc_mem_cookie_t));  in vgen_dringsend()
695 	if (tbufp->flags != VGEN_PRIV_DESC_BUSY) {  in vgen_dringsend()
713 		rtbufp = &ldcp->tbufp[ldcp->resched_peer_txi];  in vgen_dringsend()
1287 	vgen_private_desc_t	*tbufp;  in vgen_handle_dringdata_ack()  local
1353 	tbufp = &ldcp->tbufp[txi];  in vgen_handle_dringdata_ack()
1354 	txdp = tbufp->descp;  in vgen_handle_dringdata_ack()
1366 		txi = ldcp->cur_tbufp - ldcp->tbufp;  in vgen_handle_dringdata_ack()
1367 		tbufp = &ldcp->tbufp[txi];  in vgen_handle_dringdata_ack()
1369 		txdp = tbufp->descp;  in vgen_handle_dringdata_ack()
1399 		ldcp->resched_peer_txi = ldcp->cur_tbufp - ldcp->tbufp;  in vgen_handle_dringdata_ack()
1552 	vgen_private_desc_t	*tbufp;  in vgen_reclaim_dring()  local
1555 	tbufp = ldcp->cur_tbufp;  in vgen_reclaim_dring()
1556 	txdp = tbufp->descp;  in vgen_reclaim_dring()
1560 	    (tbufp != ldcp->next_tbufp)) {  in vgen_reclaim_dring()
1561 		tbufp->flags = VGEN_PRIV_DESC_FREE;  in vgen_reclaim_dring()
1565 		tbufp = NEXTTBUF(ldcp, tbufp);  in vgen_reclaim_dring()
1566 		txdp = tbufp->descp;  in vgen_reclaim_dring()
1571 	ldcp->cur_tbufp = tbufp;  in vgen_reclaim_dring()