* THE SOFTWARE.
*/
-#include "net/tap.h"
+#include "tap_int.h"
#include "qemu-common.h"
-#include "sysemu.h"
-#include "qemu-error.h"
+#include "sysemu/sysemu.h"
+#include "qemu/error-report.h"
#ifdef __NetBSD__
+#include <sys/ioctl.h>
+#include <net/if.h>
#include <net/if_tap.h>
#endif
-#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
-#include <libutil.h>
-#else
-#include <util.h>
-#endif
-
-#if defined(__OpenBSD__)
-#include <util.h>
-#endif
-
-int tap_open(char *ifname, int ifname_size, int *vnet_hdr, int vnet_hdr_required)
+int tap_open(char *ifname, int ifname_size, int *vnet_hdr,
+ int vnet_hdr_required, int mq_required)
{
int fd;
+#ifdef TAPGIFNAME
+ struct ifreq ifr;
+#else
char *dev;
struct stat s;
+#endif
-#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
- /* if no ifname is given, always start the search from tap0. */
+ /* if no ifname is given, always start the search from tap0/tun0. */
int i;
char dname[100];
if (*ifname) {
snprintf(dname, sizeof dname, "/dev/%s", ifname);
} else {
+#if defined(__OpenBSD__)
+ snprintf(dname, sizeof dname, "/dev/tun%d", i);
+#else
snprintf(dname, sizeof dname, "/dev/tap%d", i);
+#endif
}
TFR(fd = open(dname, O_RDWR));
if (fd >= 0) {
dname, strerror(errno));
return -1;
}
+
+#ifdef TAPGIFNAME
+ if (ioctl(fd, TAPGIFNAME, (void *)&ifr) < 0) {
+ fprintf(stderr, "warning: could not get tap name: %s\n",
+ strerror(errno));
+ return -1;
+ }
+ pstrcpy(ifname, ifname_size, ifr.ifr_name);
#else
- TFR(fd = open("/dev/tap", O_RDWR));
- if (fd < 0) {
- fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n");
+ if (fstat(fd, &s) < 0) {
+ fprintf(stderr,
+ "warning: could not stat /dev/tap: no virtual network emulation: %s\n",
+ strerror(errno));
return -1;
}
-#endif
-
- fstat(fd, &s);
dev = devname(s.st_rdev, S_IFCHR);
pstrcpy(ifname, ifname_size, dev);
+#endif
if (*vnet_hdr) {
/* BSD doesn't have IFF_VNET_HDR */
return fd;
}
-int tap_set_sndbuf(int fd, QemuOpts *opts)
+int tap_set_sndbuf(int fd, const NetdevTapOptions *tap)
{
return 0;
}
return 0;
}
+int tap_probe_vnet_hdr_len(int fd, int len)
+{
+ return 0;
+}
+
+void tap_fd_set_vnet_hdr_len(int fd, int len)
+{
+}
+
void tap_fd_set_offload(int fd, int csum, int tso4,
int tso6, int ecn, int ufo)
{
}
+
+int tap_fd_enable(int fd)
+{
+ return -1;
+}
+
+int tap_fd_disable(int fd)
+{
+ return -1;
+}
+
+int tap_fd_get_ifname(int fd, char *ifname)
+{
+ return -1;
+}