1967 netmap_mem_ring_needed(struct netmap_kring *kring)  in netmap_mem_ring_needed()  argument
1969 	return kring->ring == NULL &&  in netmap_mem_ring_needed()
1970 		(kring->users > 0 ||  in netmap_mem_ring_needed()
1971 		 (kring->nr_kflags & NKR_NEEDRING));  in netmap_mem_ring_needed()
1975 netmap_mem_ring_todelete(struct netmap_kring *kring)  in netmap_mem_ring_todelete()  argument
1977 	return kring->ring != NULL &&  in netmap_mem_ring_todelete()
1978 		kring->users == 0 &&  in netmap_mem_ring_todelete()
1979 		!(kring->nr_kflags & NKR_NEEDRING);  in netmap_mem_ring_todelete()
1999 			struct netmap_kring *kring = NMR(na, t)[i];  in netmap_mem2_rings_create()  local
2000 			struct netmap_ring *ring = kring->ring;  in netmap_mem2_rings_create()
2003 			if (!netmap_mem_ring_needed(kring)) {  in netmap_mem2_rings_create()
2007 						kring->name, ring, kring->users, kring->nr_kflags & NKR_NEEDRING);  in netmap_mem2_rings_create()
2011 				nm_prinf("creating %s", kring->name);  in netmap_mem2_rings_create()
2012 			ndesc = kring->nkr_num_slots;  in netmap_mem2_rings_create()
2021 			kring->ring = ring;  in netmap_mem2_rings_create()
2029 			ring->head = kring->rhead;  in netmap_mem2_rings_create()
2030 			ring->cur = kring->rcur;  in netmap_mem2_rings_create()
2031 			ring->tail = kring->rtail;  in netmap_mem2_rings_create()
2034 			nm_prdis("%s h %d c %d t %d", kring->name,  in netmap_mem2_rings_create()
2037 			if (!(kring->nr_kflags & NKR_FAKERING)) {  in netmap_mem2_rings_create()
2040 					nm_prinf("allocating buffers for %s", kring->name);  in netmap_mem2_rings_create()
2048 					nm_prinf("NOT allocating buffers for %s", kring->name);  in netmap_mem2_rings_create()
2052 		        *(uint16_t *)(uintptr_t)&ring->ringid = kring->ring_id;  in netmap_mem2_rings_create()
2053 		        *(uint16_t *)(uintptr_t)&ring->dir = kring->tx;  in netmap_mem2_rings_create()
2077 			struct netmap_kring *kring = NMR(na, t)[i];  in netmap_mem2_rings_delete()  local
2078 			struct netmap_ring *ring = kring->ring;  in netmap_mem2_rings_delete()
2080 			if (!netmap_mem_ring_todelete(kring)) {  in netmap_mem2_rings_delete()
2083 						kring->name, ring, kring->users, kring->nr_kflags & NKR_NEEDRING);  in netmap_mem2_rings_delete()
2087 				nm_prinf("deleting ring %s", kring->name);  in netmap_mem2_rings_delete()
2088 			if (!(kring->nr_kflags & NKR_FAKERING)) {  in netmap_mem2_rings_delete()
2089 				nm_prdis("freeing bufs for %s", kring->name);  in netmap_mem2_rings_delete()
2090 				netmap_free_bufs(nmd, ring->slot, kring->nkr_num_slots);  in netmap_mem2_rings_delete()
2092 				nm_prdis("NOT freeing bufs for %s", kring->name);  in netmap_mem2_rings_delete()
2095 			kring->ring = NULL;  in netmap_mem2_rings_delete()
2808 		struct netmap_kring *kring = na->tx_rings[i];  in netmap_mem_pt_guest_rings_create()  local
2809 		if (kring->ring)  in netmap_mem_pt_guest_rings_create()
2811 		kring->ring = (struct netmap_ring *)  in netmap_mem_pt_guest_rings_create()
2815 		struct netmap_kring *kring = na->rx_rings[i];  in netmap_mem_pt_guest_rings_create()  local
2816 		if (kring->ring)  in netmap_mem_pt_guest_rings_create()
2818 		kring->ring = (struct netmap_ring *)  in netmap_mem_pt_guest_rings_create()
2837 			struct netmap_kring *kring = &NMR(na, t)[i];  in netmap_mem_pt_guest_rings_delete()
2839 			kring->ring = NULL;  in netmap_mem_pt_guest_rings_delete()