diff options
| -rw-r--r-- | net/tap-bsd.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/net/tap-bsd.c b/net/tap-bsd.c index ac84383..bde2083 100644 --- a/net/tap-bsd.c +++ b/net/tap-bsd.c @@ -59,6 +59,17 @@ int tap_open(char *ifname, int ifname_size, int *vnet_hdr, int vnet_hdr_required dev = devname(s.st_rdev, S_IFCHR); pstrcpy(ifname, ifname_size, dev); + if (*vnet_hdr) { + /* BSD doesn't have IFF_VNET_HDR */ + *vnet_hdr = 0; + + if (vnet_hdr_required && !*vnet_hdr) { + qemu_error("vnet_hdr=1 requested, but no kernel " + "support for IFF_VNET_HDR available"); + close(fd); + return -1; + } + } fcntl(fd, F_SETFL, O_NONBLOCK); return fd; } |