Differential D20626 Diff 58590 usr.sbin/bhyve/pci_virtio_net.c

Changeset View

Standalone View

usr.sbin/bhyve/pci_virtio_net.c

	Show First 20 Lines • Show All 61 Lines • ▼ Show 20 Lines
	#include <pthread.h>			#include <pthread.h>
	#include <pthread_np.h>			#include <pthread_np.h>
	#include <sysexits.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"
				#include "net_utils.h"

	#define VTNET_RINGSZ 1024			#define VTNET_RINGSZ 1024

	#define VTNET_MAXSEGS 256			#define VTNET_MAXSEGS 256

	/*			/*
	* Host capabilities. Note that we only offer a few of these.			* Host capabilities. Note that we only offer a few of these.
	*/			*/
	▲ Show 20 Lines • Show All 584 Lines • ▼ Show 20 Lines
	static void			static void
	pci_vtnet_ping_ctlq(void vsc, struct vqueue_info vq)			pci_vtnet_ping_ctlq(void vsc, struct vqueue_info vq)
	{			{

	DPRINTF(("vtnet: control qnotify!\n\r"));			DPRINTF(("vtnet: control qnotify!\n\r"));
	}			}
	#endif			#endif

	static int
	pci_vtnet_parsemac(char mac_str, uint8_t mac_addr)
	{
	struct ether_addr *ea;
	char *tmpstr;
	char zero_addr[ETHER_ADDR_LEN] = { 0, 0, 0, 0, 0, 0 };

	tmpstr = strsep(&mac_str,"=");

	if ((mac_str != NULL) && (!strcmp(tmpstr,"mac"))) {
	ea = ether_aton(mac_str);

	if (ea == NULL \|\| ETHER_IS_MULTICAST(ea->octet) \|\|
	memcmp(ea->octet, zero_addr, ETHER_ADDR_LEN) == 0) {
	fprintf(stderr, "Invalid MAC %s\n", mac_str);
	return (EINVAL);
	} else
	memcpy(mac_addr, ea->octet, ETHER_ADDR_LEN);
	}

	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			#ifndef WITHOUT_CAPSICUM
	cap_rights_t rights;			cap_rights_t rights;
	#endif			#endif

	▲ Show 20 Lines • Show All 58 Lines • ▼ Show 20 Lines
	nm_close(sc->vsc_nmd);			nm_close(sc->vsc_nmd);
	sc->vsc_nmd = NULL;			sc->vsc_nmd = NULL;
	}			}
	}			}

	static int			static int
	pci_vtnet_init(struct vmctx ctx, struct pci_devinst pi, char *opts)			pci_vtnet_init(struct vmctx ctx, struct pci_devinst pi, char *opts)
	{			{
	MD5_CTX mdctx;
	unsigned char digest[16];
	char nstr[80];
	char tname[MAXCOMLEN + 1];			char tname[MAXCOMLEN + 1];
	struct pci_vtnet_softc *sc;			struct pci_vtnet_softc *sc;
	char *devname;			char *devname;
	char *vtopts;			char *vtopts;
	int mac_provided;			int mac_provided;

	sc = calloc(1, sizeof(struct pci_vtnet_softc));			sc = calloc(1, sizeof(struct pci_vtnet_softc));

	Show All 20 Lines
	sc->vsc_nmd = NULL;			sc->vsc_nmd = NULL;
	if (opts != NULL) {			if (opts != NULL) {
	int err;			int err;

	devname = vtopts = strdup(opts);			devname = vtopts = strdup(opts);
	(void) strsep(&vtopts, ",");			(void) strsep(&vtopts, ",");

	if (vtopts != NULL) {			if (vtopts != NULL) {
	err = pci_vtnet_parsemac(vtopts, sc->vsc_config.mac);			err = net_parsemac(vtopts, sc->vsc_config.mac);
	if (err != 0) {			if (err != 0) {
	free(devname);			free(devname);
	return (err);			return (err);
	}			}
	mac_provided = 1;			mac_provided = 1;
	}			}

	if (strncmp(devname, "vale", 4) == 0)			if (strncmp(devname, "vale", 4) == 0)
	pci_vtnet_netmap_setup(sc, devname);			pci_vtnet_netmap_setup(sc, devname);
	if (strncmp(devname, "tap", 3) == 0 \|\|			if (strncmp(devname, "tap", 3) == 0 \|\|
	strncmp(devname, "vmnet", 5) == 0)			strncmp(devname, "vmnet", 5) == 0)
	pci_vtnet_tap_setup(sc, devname);			pci_vtnet_tap_setup(sc, devname);

	free(devname);			free(devname);
	}			}

	/*
	* The default MAC address is the standard NetApp OUI of 00-a0-98,
	* followed by an MD5 of the PCI slot/func number and dev name
	*/
	if (!mac_provided) {			if (!mac_provided) {
	snprintf(nstr, sizeof(nstr), "%d-%d-%s", pi->pi_slot,			net_genmac(pi, sc->vsc_config.mac);
	pi->pi_func, vmname);

	MD5Init(&mdctx);
	MD5Update(&mdctx, nstr, strlen(nstr));
	MD5Final(digest, &mdctx);

	sc->vsc_config.mac[0] = 0x00;
	sc->vsc_config.mac[1] = 0xa0;
	sc->vsc_config.mac[2] = 0x98;
	sc->vsc_config.mac[3] = digest[0];
	sc->vsc_config.mac[4] = digest[1];
	sc->vsc_config.mac[5] = digest[2];
	}			}

	/* initialize config space */			/* initialize config space */
	pci_set_cfgdata16(pi, PCIR_DEVICE, VIRTIO_DEV_NET);			pci_set_cfgdata16(pi, PCIR_DEVICE, VIRTIO_DEV_NET);
	pci_set_cfgdata16(pi, PCIR_VENDOR, VIRTIO_VENDOR);			pci_set_cfgdata16(pi, PCIR_VENDOR, VIRTIO_VENDOR);
	pci_set_cfgdata8(pi, PCIR_CLASS, PCIC_NETWORK);			pci_set_cfgdata8(pi, PCIR_CLASS, PCIC_NETWORK);
	pci_set_cfgdata16(pi, PCIR_SUBDEV_0, VIRTIO_TYPE_NET);			pci_set_cfgdata16(pi, PCIR_SUBDEV_0, VIRTIO_TYPE_NET);
	pci_set_cfgdata16(pi, PCIR_SUBVEND_0, VIRTIO_VENDOR);			pci_set_cfgdata16(pi, PCIR_SUBVEND_0, VIRTIO_VENDOR);
	▲ Show 20 Lines • Show All 87 Lines • Show Last 20 Lines