Differential D20626 Diff 58588 usr.sbin/bhyve/pci_e82545.c

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usr.sbin/bhyve/pci_e82545.c

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	#include "e1000_regs.h"	#include "e1000_regs.h"
	#include "e1000_defines.h"	#include "e1000_defines.h"
	#include "mii.h"	#include "mii.h"

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

	/* Hardware/register definitions XXX: move some to common code. */	/* Hardware/register definitions XXX: move some to common code. */
	#define E82545_VENDOR_ID_INTEL 0x8086	#define E82545_VENDOR_ID_INTEL 0x8086
	#define E82545_DEV_ID_82545EM_COPPER 0x100F	#define E82545_DEV_ID_82545EM_COPPER 0x100F
	#define E82545_SUBDEV_ID 0x1008	#define E82545_SUBDEV_ID 0x1008

	#define E82545_REVISION_4 4	#define E82545_REVISION_4 4

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	if (sc->esc_mevp == NULL) {	if (sc->esc_mevp == NULL) {
	DPRINTF("Could not register mevent %d\n", EVF_READ);	DPRINTF("Could not register mevent %d\n", EVF_READ);
	close(sc->esc_tapfd);	close(sc->esc_tapfd);
	sc->esc_tapfd = -1;	sc->esc_tapfd = -1;
	}	}
	}	}

	static int	static int
	e82545_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 (1);
	} else
	memcpy(mac_addr, ea->octet, ETHER_ADDR_LEN);
	}
	return (0);
	}

	static int
	e82545_init(struct vmctx ctx, struct pci_devinst pi, char *opts)	e82545_init(struct vmctx ctx, struct pci_devinst pi, char *opts)
	{	{
	DPRINTF("Loading with options: %s\r\n", opts);

	MD5_CTX mdctx;
	unsigned char digest[16];
	char nstr[80];	char nstr[80];
	struct e82545_softc *sc;	struct e82545_softc *sc;
	char *devname;	char *devname;
	char *vtopts;	char *vtopts;
	int mac_provided;	int mac_provided;

		DPRINTF("Loading with options: %s\r\n", opts);

	/* Setup our softc */	/* Setup our softc */
	sc = calloc(1, sizeof(*sc));	sc = calloc(1, sizeof(*sc));

	pi->pi_arg = sc;	pi->pi_arg = sc;
	sc->esc_pi = pi;	sc->esc_pi = pi;
	sc->esc_ctx = ctx;	sc->esc_ctx = ctx;

	pthread_mutex_init(&sc->esc_mtx, NULL);	pthread_mutex_init(&sc->esc_mtx, NULL);
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	sc->esc_tapfd = -1;	sc->esc_tapfd = -1;
	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 = e82545_parsemac(vtopts, sc->esc_mac.octet);	err = net_parsemac(vtopts, sc->esc_mac.octet);
	if (err != 0) {	if (err != 0) {
	free(devname);	free(devname);
	return (err);	return (err);
	}	}
	mac_provided = 1;	mac_provided = 1;
	}	}

	if (strncmp(devname, "tap", 3) == 0 \|\|	if (strncmp(devname, "tap", 3) == 0 \|\|
	strncmp(devname, "vmnet", 5) == 0)	strncmp(devname, "vmnet", 5) == 0)
	e82545_open_tap(sc, devname);	e82545_open_tap(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->esc_mac.octet);
	pi->pi_func, vmname);

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

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

	/* H/w initiated reset */	/* H/w initiated reset */
	e82545_reset(sc, 0);	e82545_reset(sc, 0);

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

	struct pci_devemu pci_de_e82545 = {	struct pci_devemu pci_de_e82545 = {
	.pe_emu = "e1000",	.pe_emu = "e1000",
	.pe_init = e82545_init,	.pe_init = e82545_init,
	.pe_barwrite = e82545_write,	.pe_barwrite = e82545_write,
	.pe_barread = e82545_read	.pe_barread = e82545_read
	};	};
	PCI_EMUL_SET(pci_de_e82545);	PCI_EMUL_SET(pci_de_e82545);

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