584 			     struct netsec_desc_ring *dring, u16 idx,  in netsec_set_rx_de()  argument
588 	struct netsec_de *de = dring->vaddr + DESC_SZ * idx;  in netsec_set_rx_de()
602 	dring->desc[idx].dma_addr = desc->dma_addr;  in netsec_set_rx_de()
603 	dring->desc[idx].addr = desc->addr;  in netsec_set_rx_de()
604 	dring->desc[idx].len = desc->len;  in netsec_set_rx_de()
605 	dring->desc[idx].skb = skb;  in netsec_set_rx_de()
609 					struct netsec_desc_ring *dring,  in netsec_get_rx_de()  argument
616 	memcpy(&de, dring->vaddr + DESC_SZ * idx, DESC_SZ);  in netsec_get_rx_de()
624 	*desc = dring->desc[idx];  in netsec_get_rx_de()
633 	struct netsec_desc_ring *dring = &priv->desc_ring[NETSEC_RING_RX];  in netsec_get_rx_pkt_data()  local
644 	tail = dring->tail;  in netsec_get_rx_pkt_data()
647 		netsec_set_rx_de(priv, dring, tail, &dring->desc[tail],  in netsec_get_rx_pkt_data()
648 				 dring->desc[tail].skb);  in netsec_get_rx_pkt_data()
650 		skb = netsec_get_rx_de(priv, dring, tail, rxpi, desc, len);  in netsec_get_rx_pkt_data()
651 		netsec_set_rx_de(priv, dring, tail, &td, tmp_skb);  in netsec_get_rx_pkt_data()
655 	dring->tail = (dring->tail + 1) % DESC_NUM;  in netsec_get_rx_pkt_data()
662 	struct netsec_desc_ring *dring = &priv->desc_ring[NETSEC_RING_TX];  in netsec_clean_tx_dring()  local
665 	dring->pkt_cnt += netsec_read(priv, NETSEC_REG_NRM_TX_DONE_PKTCNT);  in netsec_clean_tx_dring()
667 	if (dring->pkt_cnt < budget)  in netsec_clean_tx_dring()
668 		budget = dring->pkt_cnt;  in netsec_clean_tx_dring()
678 		tail = dring->tail;  in netsec_clean_tx_dring()
681 		dring->tail = (tail + 1) % DESC_NUM;  in netsec_clean_tx_dring()
683 		desc = &dring->desc[tail];  in netsec_clean_tx_dring()
684 		entry = dring->vaddr + DESC_SZ * tail;  in netsec_clean_tx_dring()
697 	dring->pkt_cnt -= budget;  in netsec_clean_tx_dring()
726 	struct netsec_desc_ring *dring = &priv->desc_ring[NETSEC_RING_RX];  in netsec_process_rx()  local
735 		u16 idx = dring->tail;  in netsec_process_rx()
736 		struct netsec_de *de = dring->vaddr + (DESC_SZ * idx);  in netsec_process_rx()
814 			     struct netsec_desc_ring *dring,  in netsec_set_tx_de()  argument
819 	int idx = dring->head;  in netsec_set_tx_de()
823 	de = dring->vaddr + (DESC_SZ * idx);  in netsec_set_tx_de()
842 	dring->desc[idx] = *desc;  in netsec_set_tx_de()
843 	dring->desc[idx].skb = skb;  in netsec_set_tx_de()
846 	dring->head = (dring->head + 1) % DESC_NUM;  in netsec_set_tx_de()
853 	struct netsec_desc_ring *dring = &priv->desc_ring[NETSEC_RING_TX];  in netsec_netdev_start_xmit()  local
860 	if (dring->head >= dring->tail)  in netsec_netdev_start_xmit()
861 		filled = dring->head - dring->tail;  in netsec_netdev_start_xmit()
863 		filled = dring->head + DESC_NUM - dring->tail;  in netsec_netdev_start_xmit()
911 	netsec_set_tx_de(priv, dring, &tx_ctrl, &tx_desc, skb);  in netsec_netdev_start_xmit()
919 	struct netsec_desc_ring *dring = &priv->desc_ring[id];  in netsec_uninit_pkt_dring()  local
923 	if (!dring->vaddr || !dring->desc)  in netsec_uninit_pkt_dring()
927 		desc = &dring->desc[idx];  in netsec_uninit_pkt_dring()
937 	memset(dring->desc, 0, sizeof(struct netsec_desc) * DESC_NUM);  in netsec_uninit_pkt_dring()
938 	memset(dring->vaddr, 0, DESC_SZ * DESC_NUM);  in netsec_uninit_pkt_dring()
940 	dring->head = 0;  in netsec_uninit_pkt_dring()
941 	dring->tail = 0;  in netsec_uninit_pkt_dring()
942 	dring->pkt_cnt = 0;  in netsec_uninit_pkt_dring()
947 	struct netsec_desc_ring *dring = &priv->desc_ring[id];  in netsec_free_dring()  local
949 	if (dring->vaddr) {  in netsec_free_dring()
951 				  dring->vaddr, dring->desc_dma);  in netsec_free_dring()
952 		dring->vaddr = NULL;  in netsec_free_dring()
955 	kfree(dring->desc);  in netsec_free_dring()
956 	dring->desc = NULL;  in netsec_free_dring()
961 	struct netsec_desc_ring *dring = &priv->desc_ring[id];  in netsec_alloc_dring()  local
964 	dring->vaddr = dma_zalloc_coherent(priv->dev, DESC_SZ * DESC_NUM,  in netsec_alloc_dring()
965 					   &dring->desc_dma, GFP_KERNEL);  in netsec_alloc_dring()
966 	if (!dring->vaddr) {  in netsec_alloc_dring()
971 	dring->desc = kcalloc(DESC_NUM, sizeof(*dring->desc), GFP_KERNEL);  in netsec_alloc_dring()
972 	if (!dring->desc) {  in netsec_alloc_dring()
986 	struct netsec_desc_ring *dring = &priv->desc_ring[NETSEC_RING_RX];  in netsec_setup_rx_dring()  local
999 		netsec_set_rx_de(priv, dring, n, &desc, skb);  in netsec_setup_rx_dring()