Differential D11978 Diff 32027 head/sys/dev/hyperv/netvsc/if_hnvar.h

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head/sys/dev/hyperv/netvsc/if_hnvar.h

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	struct hn_tx_ring;			struct hn_tx_ring;

	struct hn_rx_ring {			struct hn_rx_ring {
	struct ifnet *hn_ifp;			struct ifnet *hn_ifp;
	struct ifnet hn_rxvf_ifp; / SR-IOV VF for RX */			struct ifnet hn_rxvf_ifp; / SR-IOV VF for RX */
	struct hn_tx_ring *hn_txr;			struct hn_tx_ring *hn_txr;
	void *hn_pktbuf;			void *hn_pktbuf;
	int hn_pktbuf_len;			int hn_pktbuf_len;
				int hn_rx_flags; /* HN_RX_FLAG_ */
	uint8_t hn_rxbuf; / shadow sc->hn_rxbuf */			uint8_t hn_rxbuf; / shadow sc->hn_rxbuf */
	int hn_rx_idx;			int hn_rx_idx;

	/* Trust csum verification on host side */			/* Trust csum verification on host side */
	int hn_trust_hcsum; /* HN_TRUST_HCSUM_ */			int hn_trust_hcsum; /* HN_TRUST_HCSUM_ */
	struct lro_ctrl hn_lro;			struct lro_ctrl hn_lro;

	u_long hn_csum_ip;			u_long hn_csum_ip;
	u_long hn_csum_tcp;			u_long hn_csum_tcp;
	u_long hn_csum_udp;			u_long hn_csum_udp;
	u_long hn_csum_trusted;			u_long hn_csum_trusted;
	u_long hn_lro_tried;			u_long hn_lro_tried;
	u_long hn_small_pkts;			u_long hn_small_pkts;
	u_long hn_pkts;			u_long hn_pkts;
	u_long hn_rss_pkts;			u_long hn_rss_pkts;
	u_long hn_ack_failed;			u_long hn_ack_failed;

	/* Rarely used stuffs */			/* Rarely used stuffs */
	struct sysctl_oid *hn_rx_sysctl_tree;			struct sysctl_oid *hn_rx_sysctl_tree;
	int hn_rx_flags;

	void hn_br; / TX/RX bufring */			void hn_br; / TX/RX bufring */
	struct hyperv_dma hn_br_dma;			struct hyperv_dma hn_br_dma;

	struct vmbus_channel *hn_chan;			struct vmbus_channel *hn_chan;
	} __aligned(CACHE_LINE_SIZE);			} __aligned(CACHE_LINE_SIZE);

	#define HN_TRUST_HCSUM_IP 0x0001			#define HN_TRUST_HCSUM_IP 0x0001
	#define HN_TRUST_HCSUM_TCP 0x0002			#define HN_TRUST_HCSUM_TCP 0x0002
	#define HN_TRUST_HCSUM_UDP 0x0004			#define HN_TRUST_HCSUM_UDP 0x0004

	#define HN_RX_FLAG_ATTACHED 0x0001			#define HN_RX_FLAG_ATTACHED 0x0001
	#define HN_RX_FLAG_BR_REF 0x0002			#define HN_RX_FLAG_BR_REF 0x0002
				#define HN_RX_FLAG_XPNT_VF 0x0004

	struct hn_tx_ring {			struct hn_tx_ring {
	#ifndef HN_USE_TXDESC_BUFRING			#ifndef HN_USE_TXDESC_BUFRING
	struct mtx hn_txlist_spin;			struct mtx hn_txlist_spin;
	struct hn_txdesc_list hn_txlist;			struct hn_txdesc_list hn_txlist;
	#else			#else
	struct buf_ring *hn_txdesc_br;			struct buf_ring *hn_txdesc_br;
	#endif			#endif
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