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net: fix vnet_hdr handling in solaris tap code

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Print an error if the user specifies vnet_hdr=1 on the cmdline.

Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Mark McLoughlin 2009-11-25 18:49:37 +00:00 committed by Anthony Liguori
parent df6c2a0fb2
commit f5c5e38179
1 changed files with 11 additions and 0 deletions
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11
net/tap-solaris.c
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@ -180,6 +180,17 @@ int tap_open(char *ifname, int ifname_size, int *vnet_hdr, int vnet_hdr_required
return -1;
}
pstrcpy(ifname, ifname_size, dev);
if (*vnet_hdr) {
/* Solaris 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;
}