svn commit: r349739 - stable/11/usr.sbin/bhyve
Vincenzo Maffione
vmaffione at FreeBSD.org
Thu Jul 4 18:20:05 UTC 2019
Author: vmaffione
Date: Thu Jul 4 18:20:02 2019
New Revision: 349739
URL: https://svnweb.freebsd.org/changeset/base/349739
Log:
MFC r349019
bhyve: move common code to net_utils.c
Both virtio_net and e82545 network frontends have code to validate and
generate MAC addresses. These functionalities are replicated in the two
files, so we move them in a separate compilation unit.
Reviewed by: rgrimes, bryanv, imp, kevans
Differential Revision: https://reviews.freebsd.org/D20626
Added:
stable/11/usr.sbin/bhyve/net_utils.c
- copied unchanged from r349019, head/usr.sbin/bhyve/net_utils.c
stable/11/usr.sbin/bhyve/net_utils.h
- copied unchanged from r349019, head/usr.sbin/bhyve/net_utils.h
Modified:
stable/11/usr.sbin/bhyve/Makefile
stable/11/usr.sbin/bhyve/pci_e82545.c
stable/11/usr.sbin/bhyve/pci_virtio_net.c
Directory Properties:
stable/11/ (props changed)
Modified: stable/11/usr.sbin/bhyve/Makefile
==============================================================================
--- stable/11/usr.sbin/bhyve/Makefile Thu Jul 4 17:24:48 2019 (r349738)
+++ stable/11/usr.sbin/bhyve/Makefile Thu Jul 4 18:20:02 2019 (r349739)
@@ -28,6 +28,7 @@ SRCS= \
mem.c \
mevent.c \
mptbl.c \
+ net_utils.c \
pci_ahci.c \
pci_e82545.c \
pci_emul.c \
Copied: stable/11/usr.sbin/bhyve/net_utils.c (from r349019, head/usr.sbin/bhyve/net_utils.c)
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ stable/11/usr.sbin/bhyve/net_utils.c Thu Jul 4 18:20:02 2019 (r349739, copy of r349019, head/usr.sbin/bhyve/net_utils.c)
@@ -0,0 +1,83 @@
+/*-
+ * Copyright (c) 2011 NetApp, Inc.
+ *
+ * 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.
+ *
+ * $FreeBSD$
+ */
+
+#include "net_utils.h"
+#include "bhyverun.h"
+#include <md5.h>
+#include <net/ethernet.h>
+#include <string.h>
+#include <stdio.h>
+#include <errno.h>
+
+int
+net_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);
+}
+
+void
+net_genmac(struct pci_devinst *pi, uint8_t *macaddr)
+{
+ /*
+ * 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
+ */
+ MD5_CTX mdctx;
+ unsigned char digest[16];
+ char nstr[80];
+
+ snprintf(nstr, sizeof(nstr), "%d-%d-%s", pi->pi_slot,
+ pi->pi_func, vmname);
+
+ MD5Init(&mdctx);
+ MD5Update(&mdctx, nstr, (unsigned int)strlen(nstr));
+ MD5Final(digest, &mdctx);
+
+ macaddr[0] = 0x00;
+ macaddr[1] = 0xa0;
+ macaddr[2] = 0x98;
+ macaddr[3] = digest[0];
+ macaddr[4] = digest[1];
+ macaddr[5] = digest[2];
+}
Copied: stable/11/usr.sbin/bhyve/net_utils.h (from r349019, head/usr.sbin/bhyve/net_utils.h)
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ stable/11/usr.sbin/bhyve/net_utils.h Thu Jul 4 18:20:02 2019 (r349739, copy of r349019, head/usr.sbin/bhyve/net_utils.h)
@@ -0,0 +1,37 @@
+/*-
+ * Copyright (c) 2019 Vincenzo Maffione <v.maffione at gmail.com>
+ *
+ * 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_UTILS_H_
+#define _NET_UTILS_H_
+
+#include <stdint.h>
+#include "pci_emul.h"
+
+void net_genmac(struct pci_devinst *pi, uint8_t *macaddr);
+int net_parsemac(char *mac_str, uint8_t *mac_addr);
+
+#endif /* _NET_UTILS_H_ */
Modified: stable/11/usr.sbin/bhyve/pci_e82545.c
==============================================================================
--- stable/11/usr.sbin/bhyve/pci_e82545.c Thu Jul 4 17:24:48 2019 (r349738)
+++ stable/11/usr.sbin/bhyve/pci_e82545.c Thu Jul 4 18:20:02 2019 (r349739)
@@ -62,6 +62,7 @@ __FBSDID("$FreeBSD$");
#include "bhyverun.h"
#include "pci_emul.h"
#include "mevent.h"
+#include "net_utils.h"
/* Hardware/register definitions XXX: move some to common code. */
#define E82545_VENDOR_ID_INTEL 0x8086
@@ -2256,38 +2257,16 @@ e82545_open_tap(struct e82545_softc *sc, char *opts)
}
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)
{
- DPRINTF("Loading with options: %s\r\n", opts);
-
- MD5_CTX mdctx;
- unsigned char digest[16];
char nstr[80];
struct e82545_softc *sc;
char *devname;
char *vtopts;
int mac_provided;
+ DPRINTF("Loading with options: %s\r\n", opts);
+
/* Setup our softc */
sc = calloc(1, sizeof(*sc));
@@ -2337,7 +2316,7 @@ e82545_init(struct vmctx *ctx, struct pci_devinst *pi,
(void) strsep(&vtopts, ",");
if (vtopts != NULL) {
- err = e82545_parsemac(vtopts, sc->esc_mac.octet);
+ err = net_parsemac(vtopts, sc->esc_mac.octet);
if (err != 0) {
free(devname);
return (err);
@@ -2352,24 +2331,8 @@ e82545_init(struct vmctx *ctx, struct pci_devinst *pi,
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) {
- snprintf(nstr, sizeof(nstr), "%d-%d-%s", pi->pi_slot,
- 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];
+ net_genmac(pi, sc->esc_mac.octet);
}
/* H/w initiated reset */
Modified: stable/11/usr.sbin/bhyve/pci_virtio_net.c
==============================================================================
--- stable/11/usr.sbin/bhyve/pci_virtio_net.c Thu Jul 4 17:24:48 2019 (r349738)
+++ stable/11/usr.sbin/bhyve/pci_virtio_net.c Thu Jul 4 18:20:02 2019 (r349739)
@@ -64,6 +64,7 @@ __FBSDID("$FreeBSD$");
#include "pci_emul.h"
#include "mevent.h"
#include "virtio.h"
+#include "net_utils.h"
#define VTNET_RINGSZ 1024
@@ -695,29 +696,6 @@ pci_vtnet_ping_ctlq(void *vsc, struct vqueue_info *vq)
}
#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
pci_vtnet_tap_setup(struct pci_vtnet_softc *sc, char *devname)
{
@@ -792,9 +770,6 @@ pci_vtnet_netmap_setup(struct pci_vtnet_softc *sc, cha
static int
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];
struct pci_vtnet_softc *sc;
char *devname;
@@ -831,7 +806,7 @@ pci_vtnet_init(struct vmctx *ctx, struct pci_devinst *
(void) strsep(&vtopts, ",");
if (vtopts != NULL) {
- err = pci_vtnet_parsemac(vtopts, sc->vsc_config.mac);
+ err = net_parsemac(vtopts, sc->vsc_config.mac);
if (err != 0) {
free(devname);
return (err);
@@ -848,24 +823,8 @@ pci_vtnet_init(struct vmctx *ctx, struct pci_devinst *
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) {
- snprintf(nstr, sizeof(nstr), "%d-%d-%s", pi->pi_slot,
- 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];
+ net_genmac(pi, sc->vsc_config.mac);
}
/* initialize config space */
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