Differential D8290 Diff 25078 usr.sbin/bhyve/pci_virtio_net.c

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usr.sbin/bhyve/pci_virtio_net.c

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*		*
* $FreeBSD$		* $FreeBSD$
*/		*/

#include <sys/cdefs.h>		#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");		__FBSDID("$FreeBSD$");

#include <sys/param.h>		#include <sys/param.h>
		#ifndef WITHOUT_CAPSICUM
		#include <sys/capsicum.h>
		#endif
#include <sys/linker_set.h>		#include <sys/linker_set.h>
#include <sys/select.h>		#include <sys/select.h>
#include <sys/uio.h>		#include <sys/uio.h>
#include <sys/ioctl.h>		#include <sys/ioctl.h>
#include <machine/atomic.h>		#include <machine/atomic.h>
#include <net/ethernet.h>		#include <net/ethernet.h>
#ifndef NETMAP_WITH_LIBS		#ifndef NETMAP_WITH_LIBS
#define NETMAP_WITH_LIBS		#define NETMAP_WITH_LIBS
#endif		#endif
#include <net/netmap_user.h>		#include <net/netmap_user.h>

		#include <err.h>
#include <errno.h>		#include <errno.h>
#include <fcntl.h>		#include <fcntl.h>
#include <stdio.h>		#include <stdio.h>
#include <stdlib.h>		#include <stdlib.h>
#include <stdint.h>		#include <stdint.h>
#include <string.h>		#include <string.h>
#include <strings.h>		#include <strings.h>
#include <unistd.h>		#include <unistd.h>
#include <assert.h>		#include <assert.h>
#include <md5.h>		#include <md5.h>
#include <pthread.h>		#include <pthread.h>
#include <pthread_np.h>		#include <pthread_np.h>
		#include <sysexits.h>

#include "bhyverun.h"		#include "bhyverun.h"
#include "pci_emul.h"		#include "pci_emul.h"
#include "mevent.h"		#include "mevent.h"
#include "virtio.h"		#include "virtio.h"

#define VTNET_RINGSZ 1024		#define VTNET_RINGSZ 1024

▲ Show 20 Lines • Show All 674 Lines • ▼ Show 20 Lines	pci_vtnet_parsemac(char mac_str, uint8_t mac_addr)

return (0);		return (0);
}		}

static void		static void
pci_vtnet_tap_setup(struct pci_vtnet_softc sc, char devname)		pci_vtnet_tap_setup(struct pci_vtnet_softc sc, char devname)
{		{
char tbuf[80];		char tbuf[80];
		#ifndef WITHOUT_CAPSICUM
		cap_rights_t rights;
		#endif

strcpy(tbuf, "/dev/");		strcpy(tbuf, "/dev/");
strlcat(tbuf, devname, sizeof(tbuf));		strlcat(tbuf, devname, sizeof(tbuf));

sc->pci_vtnet_rx = pci_vtnet_tap_rx;		sc->pci_vtnet_rx = pci_vtnet_tap_rx;
sc->pci_vtnet_tx = pci_vtnet_tap_tx;		sc->pci_vtnet_tx = pci_vtnet_tap_tx;

sc->vsc_tapfd = open(tbuf, O_RDWR);		sc->vsc_tapfd = open(tbuf, O_RDWR);
if (sc->vsc_tapfd == -1) {		if (sc->vsc_tapfd == -1) {
WPRINTF(("open of tap device %s failed\n", tbuf));		WPRINTF(("open of tap device %s failed\n", tbuf));
return;		return;
}		}

/*		/*
* Set non-blocking and register for read		* Set non-blocking and register for read
* notifications with the event loop		* notifications with the event loop
*/		*/
int opt = 1;		int opt = 1;
if (ioctl(sc->vsc_tapfd, FIONBIO, &opt) < 0) {		if (ioctl(sc->vsc_tapfd, FIONBIO, &opt) < 0) {
WPRINTF(("tap device O_NONBLOCK failed\n"));		WPRINTF(("tap device O_NONBLOCK failed\n"));
close(sc->vsc_tapfd);		close(sc->vsc_tapfd);
sc->vsc_tapfd = -1;		sc->vsc_tapfd = -1;
}		}

		#ifndef WITHOUT_CAPSICUM
		cap_rights_init(&rights, CAP_EVENT, CAP_READ, CAP_WRITE);
		if (cap_rights_limit(sc->vsc_tapfd, &rights) == -1 && errno != ENOSYS)
		errx(EX_OSERR, "Unable to apply rights for sandbox");
		#endif

sc->vsc_mevp = mevent_add(sc->vsc_tapfd,		sc->vsc_mevp = mevent_add(sc->vsc_tapfd,
EVF_READ,		EVF_READ,
pci_vtnet_rx_callback,		pci_vtnet_rx_callback,
sc);		sc);
if (sc->vsc_mevp == NULL) {		if (sc->vsc_mevp == NULL) {
WPRINTF(("Could not register event\n"));		WPRINTF(("Could not register event\n"));
close(sc->vsc_tapfd);		close(sc->vsc_tapfd);
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