Differential D27919 Diff 82544 sys/dev/virtio/network/if_vtnetvar.h

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sys/dev/virtio/network/if_vtnetvar.h

Show First 20 Lines • Show All 73 Lines • ▼ Show 20 Lines	struct vtnet_rxq {
struct mtx vtnrx_mtx;		struct mtx vtnrx_mtx;
struct vtnet_softc *vtnrx_sc;		struct vtnet_softc *vtnrx_sc;
struct virtqueue *vtnrx_vq;		struct virtqueue *vtnrx_vq;
struct sglist *vtnrx_sg;		struct sglist *vtnrx_sg;
int vtnrx_id;		int vtnrx_id;
struct vtnet_rxq_stats vtnrx_stats;		struct vtnet_rxq_stats vtnrx_stats;
struct taskqueue *vtnrx_tq;		struct taskqueue *vtnrx_tq;
struct task vtnrx_intrtask;		struct task vtnrx_intrtask;
		struct lro_ctrl vtnrx_lro;
#ifdef DEV_NETMAP		#ifdef DEV_NETMAP
uint32_t vtnrx_nm_refill;		uint32_t vtnrx_nm_refill;
struct virtio_net_hdr_mrg_rxbuf vtnrx_shrhdr;		struct virtio_net_hdr_mrg_rxbuf vtnrx_shrhdr;
#endif /* DEV_NETMAP */		#endif /* DEV_NETMAP */
char vtnrx_name[16];		char vtnrx_name[16];
} __aligned(CACHE_LINE_SIZE);		} __aligned(CACHE_LINE_SIZE);

#define VTNET_RXQ_LOCK(_rxq) mtx_lock(&(_rxq)->vtnrx_mtx)		#define VTNET_RXQ_LOCK(_rxq) mtx_lock(&(_rxq)->vtnrx_mtx)
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#define VTNET_FLAG_TSO_ECN 0x0040		#define VTNET_FLAG_TSO_ECN 0x0040
#define VTNET_FLAG_MRG_RXBUFS 0x0080		#define VTNET_FLAG_MRG_RXBUFS 0x0080
#define VTNET_FLAG_LRO_NOMRG 0x0100		#define VTNET_FLAG_LRO_NOMRG 0x0100
#define VTNET_FLAG_MQ 0x0200		#define VTNET_FLAG_MQ 0x0200
#define VTNET_FLAG_INDIRECT 0x0400		#define VTNET_FLAG_INDIRECT 0x0400
#define VTNET_FLAG_EVENT_IDX 0x0800		#define VTNET_FLAG_EVENT_IDX 0x0800
#define VTNET_FLAG_SUSPENDED 0x1000		#define VTNET_FLAG_SUSPENDED 0x1000
#define VTNET_FLAG_FIXUP_NEEDS_CSUM 0x2000		#define VTNET_FLAG_FIXUP_NEEDS_CSUM 0x2000
		#define VTNET_FLAG_SW_LRO 0x4000

int vtnet_link_active;		int vtnet_link_active;
int vtnet_hdr_size;		int vtnet_hdr_size;
int vtnet_rx_process_limit;		int vtnet_rx_process_limit;
int vtnet_rx_nsegs;		int vtnet_rx_nsegs;
int vtnet_rx_nmbufs;		int vtnet_rx_nmbufs;
int vtnet_rx_clustersz;		int vtnet_rx_clustersz;
int vtnet_tx_nsegs;		int vtnet_tx_nsegs;
int vtnet_if_flags;		int vtnet_if_flags;
int vtnet_max_mtu;		int vtnet_max_mtu;
int vtnet_act_vq_pairs;		int vtnet_act_vq_pairs;
int vtnet_max_vq_pairs;		int vtnet_max_vq_pairs;
int vtnet_requested_vq_pairs;		int vtnet_requested_vq_pairs;
		int vtnet_lro_entry_count;
		int vtnet_lro_mbufq_depth;

struct virtqueue *vtnet_ctrl_vq;		struct virtqueue *vtnet_ctrl_vq;
struct vtnet_mac_filter *vtnet_mac_filter;		struct vtnet_mac_filter *vtnet_mac_filter;
uint32_t *vtnet_vlan_filter;		uint32_t *vtnet_vlan_filter;

uint64_t vtnet_features;		uint64_t vtnet_features;
uint64_t vtnet_negotiated_features;		uint64_t vtnet_negotiated_features;
struct vtnet_statistics vtnet_stats;		struct vtnet_statistics vtnet_stats;
struct callout vtnet_tick_ch;		struct callout vtnet_tick_ch;
struct ifmedia vtnet_media;		struct ifmedia vtnet_media;
eventhandler_tag vtnet_vlan_attach;		eventhandler_tag vtnet_vlan_attach;
eventhandler_tag vtnet_vlan_detach;		eventhandler_tag vtnet_vlan_detach;

struct mtx vtnet_mtx;		struct mtx vtnet_mtx;
char vtnet_mtx_name[16];		char vtnet_mtx_name[16];
char vtnet_hwaddr[ETHER_ADDR_LEN];		char vtnet_hwaddr[ETHER_ADDR_LEN];
};		};

static bool		static bool
vtnet_modern(struct vtnet_softc *sc)		vtnet_modern(struct vtnet_softc *sc)
{		{
return ((sc->vtnet_flags & VTNET_FLAG_MODERN) != 0);		return ((sc->vtnet_flags & VTNET_FLAG_MODERN) != 0);
}		}

		static bool
		vtnet_software_lro(struct vtnet_softc *sc)
		{
		return ((sc->vtnet_flags & VTNET_FLAG_SW_LRO) != 0);
		}

/*		/*
* Maximum number of queue pairs we will autoconfigure to.		* Maximum number of queue pairs we will autoconfigure to.
*/		*/
#define VTNET_MAX_QUEUE_PAIRS 32		#define VTNET_MAX_QUEUE_PAIRS 32

/*		/*
* Additional completed entries can appear in a virtqueue before we can		* Additional completed entries can appear in a virtqueue before we can
* reenable interrupts. Number of times to retry before scheduling the		* reenable interrupts. Number of times to retry before scheduling the
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* The VIRTIO_NET_F_HOST_TSO[46] features permit us to send the host		* The VIRTIO_NET_F_HOST_TSO[46] features permit us to send the host
* frames larger than 1514 bytes.		* frames larger than 1514 bytes.
*/		*/
#define VTNET_TSO_FEATURES (VIRTIO_NET_F_GSO \| VIRTIO_NET_F_HOST_TSO4 \| \		#define VTNET_TSO_FEATURES (VIRTIO_NET_F_GSO \| VIRTIO_NET_F_HOST_TSO4 \| \
VIRTIO_NET_F_HOST_TSO6 \| VIRTIO_NET_F_HOST_ECN)		VIRTIO_NET_F_HOST_TSO6 \| VIRTIO_NET_F_HOST_ECN)

/*		/*
* The VIRTIO_NET_F_GUEST_TSO[46] features permit the host to send us		* The VIRTIO_NET_F_GUEST_TSO[46] features permit the host to send us
* frames larger than 1514 bytes. We do not yet support software LRO		* frames larger than 1514 bytes.
* via tcp_lro_rx().
*/		*/
#define VTNET_LRO_FEATURES (VIRTIO_NET_F_GUEST_TSO4 \| \		#define VTNET_LRO_FEATURES (VIRTIO_NET_F_GUEST_TSO4 \| \
VIRTIO_NET_F_GUEST_TSO6 \| VIRTIO_NET_F_GUEST_ECN)		VIRTIO_NET_F_GUEST_TSO6 \| VIRTIO_NET_F_GUEST_ECN)

#define VTNET_MAX_MTU 65536		#define VTNET_MAX_MTU 65536
#define VTNET_MAX_RX_SIZE 65550		#define VTNET_MAX_RX_SIZE 65550

/*		/*
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