diff options
Diffstat (limited to 'include/hw')
| -rw-r--r-- | include/hw/virtio/virtio-net.h | 151 |
1 files changed, 1 insertions, 150 deletions
diff --git a/include/hw/virtio/virtio-net.h b/include/hw/virtio/virtio-net.h index 6ceb5aa9..4c2fe83 100644 --- a/include/hw/virtio/virtio-net.h +++ b/include/hw/virtio/virtio-net.h @@ -14,49 +14,15 @@ #ifndef _QEMU_VIRTIO_NET_H #define _QEMU_VIRTIO_NET_H +#include "standard-headers/linux/virtio_net.h" #include "hw/virtio/virtio.h" -#include "hw/pci/pci.h" #define TYPE_VIRTIO_NET "virtio-net-device" #define VIRTIO_NET(obj) \ OBJECT_CHECK(VirtIONet, (obj), TYPE_VIRTIO_NET) -#define ETH_ALEN 6 - -/* from Linux's virtio_net.h */ - -/* The ID for virtio_net */ -#define VIRTIO_ID_NET 1 - -/* The feature bitmap for virtio net */ -#define VIRTIO_NET_F_CSUM 0 /* Host handles pkts w/ partial csum */ -#define VIRTIO_NET_F_GUEST_CSUM 1 /* Guest handles pkts w/ partial csum */ #define VIRTIO_NET_F_CTRL_GUEST_OFFLOADS 2 /* Control channel offload * configuration support */ -#define VIRTIO_NET_F_MAC 5 /* Host has given MAC address. */ -#define VIRTIO_NET_F_GSO 6 /* Host handles pkts w/ any GSO type */ -#define VIRTIO_NET_F_GUEST_TSO4 7 /* Guest can handle TSOv4 in. */ -#define VIRTIO_NET_F_GUEST_TSO6 8 /* Guest can handle TSOv6 in. */ -#define VIRTIO_NET_F_GUEST_ECN 9 /* Guest can handle TSO[6] w/ ECN in. */ -#define VIRTIO_NET_F_GUEST_UFO 10 /* Guest can handle UFO in. */ -#define VIRTIO_NET_F_HOST_TSO4 11 /* Host can handle TSOv4 in. */ -#define VIRTIO_NET_F_HOST_TSO6 12 /* Host can handle TSOv6 in. */ -#define VIRTIO_NET_F_HOST_ECN 13 /* Host can handle TSO[6] w/ ECN in. */ -#define VIRTIO_NET_F_HOST_UFO 14 /* Host can handle UFO in. */ -#define VIRTIO_NET_F_MRG_RXBUF 15 /* Host can merge receive buffers. */ -#define VIRTIO_NET_F_STATUS 16 /* virtio_net_config.status available */ -#define VIRTIO_NET_F_CTRL_VQ 17 /* Control channel available */ -#define VIRTIO_NET_F_CTRL_RX 18 /* Control channel RX mode support */ -#define VIRTIO_NET_F_CTRL_VLAN 19 /* Control channel VLAN filtering */ -#define VIRTIO_NET_F_CTRL_RX_EXTRA 20 /* Extra RX mode control support */ -#define VIRTIO_NET_F_GUEST_ANNOUNCE 21 /* Guest can announce itself */ -#define VIRTIO_NET_F_MQ 22 /* Device supports Receive Flow - * Steering */ - -#define VIRTIO_NET_F_CTRL_MAC_ADDR 23 /* Set MAC address */ - -#define VIRTIO_NET_S_LINK_UP 1 /* Link is up */ -#define VIRTIO_NET_S_ANNOUNCE 2 /* Announcement is needed */ #define TX_TIMER_INTERVAL 150000 /* 150 us */ @@ -77,72 +43,6 @@ typedef struct virtio_net_conf /* Maximum packet size we can receive from tap device: header + 64k */ #define VIRTIO_NET_MAX_BUFSIZE (sizeof(struct virtio_net_hdr) + (64 << 10)) -struct virtio_net_config -{ - /* The config defining mac address ($ETH_ALEN bytes) */ - uint8_t mac[ETH_ALEN]; - /* See VIRTIO_NET_F_STATUS and VIRTIO_NET_S_* above */ - uint16_t status; - /* Max virtqueue pairs supported by the device */ - uint16_t max_virtqueue_pairs; -} QEMU_PACKED; - -/* - * Control virtqueue data structures - * - * The control virtqueue expects a header in the first sg entry - * and an ack/status response in the last entry. Data for the - * command goes in between. - */ -struct virtio_net_ctrl_hdr { - uint8_t class; - uint8_t cmd; -}; - -typedef uint8_t virtio_net_ctrl_ack; - -#define VIRTIO_NET_OK 0 -#define VIRTIO_NET_ERR 1 - -/* - * Control the RX mode, ie. promisucous, allmulti, etc... - * All commands require an "out" sg entry containing a 1 byte - * state value, zero = disable, non-zero = enable. Commands - * 0 and 1 are supported with the VIRTIO_NET_F_CTRL_RX feature. - * Commands 2-5 are added with VIRTIO_NET_F_CTRL_RX_EXTRA. - */ -#define VIRTIO_NET_CTRL_RX 0 - #define VIRTIO_NET_CTRL_RX_PROMISC 0 - #define VIRTIO_NET_CTRL_RX_ALLMULTI 1 - #define VIRTIO_NET_CTRL_RX_ALLUNI 2 - #define VIRTIO_NET_CTRL_RX_NOMULTI 3 - #define VIRTIO_NET_CTRL_RX_NOUNI 4 - #define VIRTIO_NET_CTRL_RX_NOBCAST 5 - -/* - * Control the MAC - * - * The MAC filter table is managed by the hypervisor, the guest should - * assume the size is infinite. Filtering should be considered - * non-perfect, ie. based on hypervisor resources, the guest may - * received packets from sources not specified in the filter list. - * - * In addition to the class/cmd header, the TABLE_SET command requires - * two out scatterlists. Each contains a 4 byte count of entries followed - * by a concatenated byte stream of the ETH_ALEN MAC addresses. The - * first sg list contains unicast addresses, the second is for multicast. - * This functionality is present if the VIRTIO_NET_F_CTRL_RX feature - * is available. - * - * The ADDR_SET command requests one out scatterlist, it contains a - * 6 bytes MAC address. This functionality is present if the - * VIRTIO_NET_F_CTRL_MAC_ADDR feature is available. - */ -struct virtio_net_ctrl_mac { - uint32_t entries; - uint8_t macs[][ETH_ALEN]; -}; - typedef struct VirtIONetQueue { VirtQueue *rx_vq; VirtQueue *tx_vq; @@ -199,55 +99,6 @@ typedef struct VirtIONet { int announce_counter; } VirtIONet; -#define VIRTIO_NET_CTRL_MAC 1 - #define VIRTIO_NET_CTRL_MAC_TABLE_SET 0 - #define VIRTIO_NET_CTRL_MAC_ADDR_SET 1 - -/* - * Control VLAN filtering - * - * The VLAN filter table is controlled via a simple ADD/DEL interface. - * VLAN IDs not added may be filterd by the hypervisor. Del is the - * opposite of add. Both commands expect an out entry containing a 2 - * byte VLAN ID. VLAN filterting is available with the - * VIRTIO_NET_F_CTRL_VLAN feature bit. - */ -#define VIRTIO_NET_CTRL_VLAN 2 - #define VIRTIO_NET_CTRL_VLAN_ADD 0 - #define VIRTIO_NET_CTRL_VLAN_DEL 1 - -/* - * Control link announce acknowledgement - * - * VIRTIO_NET_S_ANNOUNCE bit in the status field requests link announcement from - * guest driver. The driver is notified by config space change interrupt. The - * command VIRTIO_NET_CTRL_ANNOUNCE_ACK is used to indicate that the driver has - * received the notification. It makes the device clear the bit - * VIRTIO_NET_S_ANNOUNCE in the status field. - */ -#define VIRTIO_NET_CTRL_ANNOUNCE 3 - #define VIRTIO_NET_CTRL_ANNOUNCE_ACK 0 - -/* - * Control Multiqueue - * - * The command VIRTIO_NET_CTRL_MQ_VQ_PAIRS_SET - * enables multiqueue, specifying the number of the transmit and - * receive queues that will be used. After the command is consumed and acked by - * the device, the device will not steer new packets on receive virtqueues - * other than specified nor read from transmit virtqueues other than specified. - * Accordingly, driver should not transmit new packets on virtqueues other than - * specified. - */ -struct virtio_net_ctrl_mq { - uint16_t virtqueue_pairs; -}; - -#define VIRTIO_NET_CTRL_MQ 4 - #define VIRTIO_NET_CTRL_MQ_VQ_PAIRS_SET 0 - #define VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MIN 1 - #define VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MAX 0x8000 - /* * Control network offloads * |