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📄 Makefile(2.18 KB)
📄 Makefile.depend(434 B)
📄 Makefile.depend.options(115 B)
📄 acpi.c(29.64 KB)
📄 acpi.h(2.26 KB)
📄 ahci.h(10.72 KB)
📄 atkbdc.c(15.5 KB)
📄 atkbdc.h(1.66 KB)
📄 audio.c(6.84 KB)
📄 audio.h(2.91 KB)
📄 bhyve.8(18.81 KB)
📄 bhyvegc.c(2.76 KB)
📄 bhyvegc.h(1.83 KB)
📄 bhyverun.c(33 KB)
📄 bhyverun.h(2.06 KB)
📄 block_if.c(21.38 KB)
📄 block_if.h(3.37 KB)
📄 bootrom.c(4.92 KB)
📄 bootrom.h(1.8 KB)
📄 console.c(3 KB)
📄 console.h(2.18 KB)
📄 debug.h(1.74 KB)
📄 fwctl.c(9.7 KB)
📄 fwctl.h(1.87 KB)
📄 gdb.c(37.2 KB)
📄 gdb.h(1.65 KB)
📄 hda_codec.c(24.56 KB)
📄 hda_reg.h(57.84 KB)
📄 hdac_reg.h(10.96 KB)
📄 inout.c(6.97 KB)
📄 inout.h(2.54 KB)
📄 ioapic.c(2.45 KB)
📄 ioapic.h(1.65 KB)
📄 iov.c(3.47 KB)
📄 iov.h(1.93 KB)
📄 kernemu_dev.c(2.95 KB)
📄 kernemu_dev.h(1.44 KB)
📄 mem.c(8.78 KB)
📄 mem.h(2.31 KB)
📄 mevent.c(9.86 KB)
📄 mevent.h(1.95 KB)
📄 mevent_test.c(5.36 KB)
📄 mptbl.c(9.44 KB)
📄 mptbl.h(1.53 KB)
📄 net_backends.c(24.6 KB)
📄 net_backends.h(4.19 KB)
📄 net_utils.c(3.04 KB)
📄 net_utils.h(1.67 KB)
📄 pci_ahci.c(64.56 KB)
📄 pci_e82545.c(65.54 KB)
📄 pci_emul.c(54.54 KB)
📄 pci_emul.h(8.47 KB)
📄 pci_fbuf.c(10.34 KB)
📄 pci_hda.c(30.87 KB)
📄 pci_hda.h(2.73 KB)
📄 pci_hostbridge.c(2.43 KB)
📄 pci_irq.c(9.19 KB)
📄 pci_irq.h(1.85 KB)
📄 pci_lpc.c(11.06 KB)
📄 pci_lpc.h(2.41 KB)
📄 pci_nvme.c(73.14 KB)
📄 pci_passthru.c(22.85 KB)
📄 pci_uart.c(3.2 KB)
📄 pci_virtio_9p.c(9.1 KB)
📄 pci_virtio_block.c(15.89 KB)
📄 pci_virtio_console.c(15.86 KB)
📄 pci_virtio_net.c(20.05 KB)
📄 pci_virtio_rnd.c(5.23 KB)
📄 pci_virtio_scsi.c(19.95 KB)
📄 pci_xhci.c(80.6 KB)
📄 pci_xhci.h(13.02 KB)
📄 pctestdev.c(6.3 KB)
📄 pctestdev.h(1.65 KB)
📄 pm.c(8.9 KB)
📄 post.c(1.8 KB)
📄 ps2kbd.c(10.24 KB)
📄 ps2kbd.h(1.8 KB)
📄 ps2mouse.c(9.85 KB)
📄 ps2mouse.h(1.94 KB)
📄 rfb.c(25.9 KB)
📄 rfb.h(1.56 KB)
📄 rtc.c(3.4 KB)
📄 rtc.h(1.52 KB)
📄 smbiostbl.c(25.33 KB)
📄 smbiostbl.h(1.54 KB)
📄 snapshot.c(38.16 KB)
📄 snapshot.h(3.51 KB)
📄 sockstream.c(2.16 KB)
📄 sockstream.h(1.54 KB)
📄 spinup_ap.c(3 KB)
📄 spinup_ap.h(1.5 KB)
📄 task_switch.c(25.78 KB)
📄 uart_emul.c(15.75 KB)
📄 uart_emul.h(1.99 KB)
📄 usb_emul.c(2.3 KB)
📄 usb_emul.h(4.56 KB)
📄 usb_mouse.c(19.9 KB)
📄 vga.c(33.42 KB)
📄 vga.h(5.32 KB)
📄 virtio.c(25.01 KB)
📄 virtio.h(18.67 KB)
📄 vmgenc.c(3.27 KB)
📄 vmgenc.h(1.48 KB)
📄 xmsr.c(5.28 KB)
📄 xmsr.h(1.59 KB)

Editing: net_backends.h

/*-
 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
 *
 * Copyright (c) 2019 Vincenzo Maffione <vmaffione@FreeBSD.org>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * $FreeBSD$
 */

#ifndef __NET_BACKENDS_H__
#define __NET_BACKENDS_H__

#include <stdint.h>

/* Opaque type representing a network backend. */
typedef struct net_backend net_backend_t;

/* Interface between network frontends and the network backends. */
typedef void (*net_be_rxeof_t)(int, enum ev_type, void *param);
int	netbe_init(net_backend_t **be, const char *opts, net_be_rxeof_t cb,
            void *param);
void	netbe_cleanup(net_backend_t *be);
uint64_t netbe_get_cap(net_backend_t *be);
int	 netbe_set_cap(net_backend_t *be, uint64_t cap,
             unsigned vnet_hdr_len);
size_t	netbe_get_vnet_hdr_len(net_backend_t *be);
ssize_t	netbe_send(net_backend_t *be, const struct iovec *iov, int iovcnt);
ssize_t	netbe_peek_recvlen(net_backend_t *be);
ssize_t	netbe_recv(net_backend_t *be, const struct iovec *iov, int iovcnt);
ssize_t	netbe_rx_discard(net_backend_t *be);
void	netbe_rx_disable(net_backend_t *be);
void	netbe_rx_enable(net_backend_t *be);

/*
 * Network device capabilities taken from the VirtIO standard.
 * Despite the name, these capabilities can be used by different frontents
 * (virtio-net, ptnet) and supported by different backends (netmap, tap, ...).
 */
#define	VIRTIO_NET_F_CSUM	(1 <<  0) /* host handles partial cksum */
#define	VIRTIO_NET_F_GUEST_CSUM	(1 <<  1) /* guest handles partial cksum */
#define	VIRTIO_NET_F_MTU	(1 <<  3) /* initial MTU advice */
#define	VIRTIO_NET_F_MAC	(1 <<  5) /* host supplies MAC */
#define	VIRTIO_NET_F_GSO_DEPREC	(1 <<  6) /* deprecated: host handles GSO */
#define	VIRTIO_NET_F_GUEST_TSO4	(1 <<  7) /* guest can rcv TSOv4 */
#define	VIRTIO_NET_F_GUEST_TSO6	(1 <<  8) /* guest can rcv TSOv6 */
#define	VIRTIO_NET_F_GUEST_ECN	(1 <<  9) /* guest can rcv TSO with ECN */
#define	VIRTIO_NET_F_GUEST_UFO	(1 << 10) /* guest can rcv UFO */
#define	VIRTIO_NET_F_HOST_TSO4	(1 << 11) /* host can rcv TSOv4 */
#define	VIRTIO_NET_F_HOST_TSO6	(1 << 12) /* host can rcv TSOv6 */
#define	VIRTIO_NET_F_HOST_ECN	(1 << 13) /* host can rcv TSO with ECN */
#define	VIRTIO_NET_F_HOST_UFO	(1 << 14) /* host can rcv UFO */
#define	VIRTIO_NET_F_MRG_RXBUF	(1 << 15) /* host can merge RX buffers */
#define	VIRTIO_NET_F_STATUS	(1 << 16) /* config status field available */
#define	VIRTIO_NET_F_CTRL_VQ	(1 << 17) /* control channel available */
#define	VIRTIO_NET_F_CTRL_RX	(1 << 18) /* control channel RX mode support */
#define	VIRTIO_NET_F_CTRL_VLAN	(1 << 19) /* control channel VLAN filtering */
#define	VIRTIO_NET_F_GUEST_ANNOUNCE \
				(1 << 21) /* guest can send gratuitous pkts */
#define	VIRTIO_NET_F_MQ		(1 << 22) /* host supports multiple VQ pairs */

/*
 * Fixed network header size
 */
struct virtio_net_rxhdr {
	uint8_t		vrh_flags;
	uint8_t		vrh_gso_type;
	uint16_t	vrh_hdr_len;
	uint16_t	vrh_gso_size;
	uint16_t	vrh_csum_start;
	uint16_t	vrh_csum_offset;
	uint16_t	vrh_bufs;
} __packed;

#endif /* __NET_BACKENDS_H__ */

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