Differential D29075 Diff 85609 sys/dev/hyperv/netvsc/if_hnvar.h

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sys/dev/hyperv/netvsc/if_hnvar.h

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	#ifndef _IF_HNVAR_H_			#ifndef _IF_HNVAR_H_
	#define _IF_HNVAR_H_			#define _IF_HNVAR_H_

	#define HN_USE_TXDESC_BUFRING			#define HN_USE_TXDESC_BUFRING

	#define HN_CHIM_SIZE (15 * 1024 * 1024)			#define HN_CHIM_SIZE (15 * 1024 * 1024)

	#define HN_RXBUF_SIZE (16 * 1024 * 1024)			#define HN_RXBUF_SIZE (31 * 1024 * 1024)
	#define HN_RXBUF_SIZE_COMPAT (15 * 1024 * 1024)			#define HN_RXBUF_SIZE_COMPAT (15 * 1024 * 1024)

	#define HN_MTU_MAX (65535 - ETHER_ADDR_LEN)			#define HN_MTU_MAX (65535 - ETHER_ADDR_LEN)

	#define HN_TXBR_SIZE (128 * PAGE_SIZE)			#define HN_TXBR_SIZE (128 * PAGE_SIZE)
	#define HN_RXBR_SIZE (128 * PAGE_SIZE)			#define HN_RXBR_SIZE (128 * PAGE_SIZE)

	#define HN_XACT_REQ_PGCNT 2			#define HN_XACT_REQ_PGCNT 2
	#define HN_XACT_RESP_PGCNT 2			#define HN_XACT_RESP_PGCNT 2
	#define HN_XACT_REQ_SIZE (HN_XACT_REQ_PGCNT * PAGE_SIZE)			#define HN_XACT_REQ_SIZE (HN_XACT_REQ_PGCNT * PAGE_SIZE)
	#define HN_XACT_RESP_SIZE (HN_XACT_RESP_PGCNT * PAGE_SIZE)			#define HN_XACT_RESP_SIZE (HN_XACT_RESP_PGCNT * PAGE_SIZE)

	#define HN_GPACNT_MAX 32			#define HN_GPACNT_MAX 32

	struct hn_txdesc;			struct hn_txdesc;
	#ifndef HN_USE_TXDESC_BUFRING			#ifndef HN_USE_TXDESC_BUFRING
	SLIST_HEAD(hn_txdesc_list, hn_txdesc);			SLIST_HEAD(hn_txdesc_list, hn_txdesc);
	#else			#else
	struct buf_ring;			struct buf_ring;
	#endif			#endif
	struct hn_tx_ring;			struct hn_tx_ring;

				#define HN_NVS_RSC_MAX 562 /* Max RSC frags in one vmbus packet */

				struct hn_rx_rsc {
				const uint32_t *vlan_info;
				const uint32_t *csum_info;
				const uint32_t *hash_info;
				const uint32_t *hash_value;
				uint32_t cnt; /* fragment count */
				uint32_t pktlen; /* full packet length */
				uint8_t is_last; /* last fragment */
				const void *frag_data[HN_NVS_RSC_MAX];
				uint32_t frag_len[HN_NVS_RSC_MAX];
				};

	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_ */			int hn_rx_flags; /* HN_RX_FLAG_ */
	uint32_t hn_mbuf_hash; /* NDIS_HASH_ */			uint32_t hn_mbuf_hash; /* NDIS_HASH_ */
	uint8_t hn_rxbuf; / shadow sc->hn_rxbuf */			uint8_t hn_rxbuf; / shadow sc->hn_rxbuf */
	int hn_rx_idx;			int hn_rx_idx;
				struct hn_rx_rsc rsc;

	/* 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;
				u_long hn_rsc_pkts;
				u_long hn_rsc_drop;

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

	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;
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