mirror of
https://git.freebsd.org/ports.git
synced 2025-05-22 11:48:35 -04:00
e332617a7d
- TCG support (No longer requires GCC 3.x)
- Kernel Virtual Machine acceleration support [kernel bits not ported
to FreeBSD yet]
- BSD userspace emulation [untested on FreeBSD, probably doesn't work
at least for i386 hosts]
- Bluetooth emulation and host passthrough support [not ported to
FreeBSD yet]
- GDB XML register description support
- Intel e1000 emulation
- HPET emulation
- VirtIO paravirtual device support
- Marvell 88w8618 / MusicPal emulation
- Nokia N-series tablet emulation / OMAP2 processor emulation
- PCI hotplug support
- Live migration and new save/restore formats
- Curses display support
- qemu-nbd utility to mount supported block formats [not ported to
FreeBSD yet]
- Altivec support in PPC emulation and new firmware (OpenBIOS)
- Multiple VNC clients are now supported
- TLS encryption is now supported in VNC
- MIPS Magnum R4000 machine (Herve Poussineau)
- Braille support (Samuel Thibault)
- Freecom MusicPal system emulation (Jan Kiszka)
- OMAP242x and Nokia N800, N810 machines (Andrzej Zaborowski)
- EsounD audio driver (Frederick Reeve)
- Gravis Ultrasound GF1 sound card (Tibor "TS" Schuetz)
- Many, many, bug fixes and new features
109 lines
2.7 KiB
Text
109 lines
2.7 KiB
Text
Index: qemu/net.c
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@@ -76,6 +76,11 @@
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#endif
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#endif
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#endif
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+#ifdef __FreeBSD__
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+#include <sys/param.h>
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+#include <sys/module.h>
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+#include <sys/linker.h>
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+#endif
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#if defined(CONFIG_SLIRP)
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#include "libslirp.h"
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@@ -3407,6 +3410,34 @@
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#endif /* CONFIG_SLIRP */
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+#ifdef __FreeBSD__
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+#define LOAD_QUIETLY 1
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+#define LOAD_VERBOSLY 2
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+
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+static int
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+loadmodules(int how, const char *module, ...)
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+{
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+ int loaded = 0;
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+ va_list ap;
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+
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+ va_start(ap, module);
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+#ifndef NO_MODULES
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+ while (module != NULL) {
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+ if (modfind(module) == -1) {
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+ if (kldload(module) == -1) {
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+ if (how == LOAD_VERBOSLY)
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+ fprintf(stderr, "%s: Cannot load module\n", module);
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+ } else
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+ loaded++;
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+ }
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+ module = va_arg(ap, const char *);
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+ }
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+ va_end(ap);
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+#endif
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+ return loaded;
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+}
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+#endif
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+
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#if !defined(_WIN32)
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typedef struct TAPState {
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@@ -3470,11 +3501,59 @@
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char *dev;
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struct stat s;
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+#ifdef __FreeBSD__
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+ int i, kldtried = 0, enoentcount = 0, err = 0;
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+ char dname[100];
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+#ifdef USE_DEVTAP
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+ /*
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+ * 5.x has /dev/tap, but that seems to just blindly increase its
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+ * couter on every open() for some people(??), i.e. on every qemu run.
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+ */
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+ i = -1;
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+#else
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+ i = 0;
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+#endif
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+ for (; i < 10; i++) {
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+ if (*ifname)
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+ snprintf(dname, sizeof dname, "/dev/%s", ifname);
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+ else if (i == -1)
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+ strcpy(dname, "/dev/tap");
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+ else
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+ snprintf(dname, sizeof dname, "%s%d",
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+ "/dev/tap", i);
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+ TFR(fd = open(dname, O_RDWR));
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+ if (fd >= 0)
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+ break;
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+ else if (errno == ENXIO || errno == ENOENT) {
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+ if (i == 0 && !kldtried++) {
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+ /*
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+ * Attempt to load the tunnel interface KLD if it isn't loaded
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+ * already.
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+ */
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+ if (loadmodules(LOAD_VERBOSLY, "if_tap", NULL))
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+ i = -1;
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+ continue;
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+ }
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+ if (errno != ENOENT || ++enoentcount > 3) {
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+ err = errno;
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+ break;
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+ }
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+ } else
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+ err = errno;
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+ if (*ifname)
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+ break;
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+ }
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+ if (fd < 0) {
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+ fprintf(stderr, "warning: could not open %s (%s): no virtual network emulation\n", dname, strerror(err));
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+ return -1;
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+ }
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+#else
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TFR(fd = open("/dev/tap", O_RDWR));
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if (fd < 0) {
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- fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n");
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+ fprintf(stderr, "warning: could not open /dev/tap (%s): no virtual network emulation\n", strerror(errno));
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return -1;
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}
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+#endif
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fstat(fd, &s);
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dev = devname(s.st_rdev, S_IFCHR);
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