The former has been present since
commit f43798c27684ab925adde7d8acc34c78c6e50df8
Author: Rusty Russell <rusty(a)rustcorp.com.au>
Date: Thu Jul 3 03:48:02 2008 -0700
tun: Allow GSO using virtio_net_hdr
and the latter since
commit bbb009941efaece3898910a862f6d23aa55d6ba8
Author: Jason Wang <jasowang(a)redhat.com>
Date: Wed Oct 31 19:45:59 2012 +0000
tuntap: introduce multiqueue flags
these are old enough that they can be assumed present in all Linux
platforms we support. The tap device creation code changed is specific
to Linux, with a separate impl for non-Linux platforms.
Signed-off-by: Daniel P. Berrangé <berrange(a)redhat.com>
---
src/util/virnetdevtap.c | 11 +----------
1 file changed, 1 insertion(+), 10 deletions(-)
diff --git a/src/util/virnetdevtap.c b/src/util/virnetdevtap.c
index 77c4d1c52c..1738f48a5f 100644
--- a/src/util/virnetdevtap.c
+++ b/src/util/virnetdevtap.c
@@ -292,20 +292,11 @@ int virNetDevTapCreate(char **ifname,
ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
/* If tapfdSize is greater than one, request multiqueue */
- if (tapfdSize > 1) {
-# ifdef IFF_MULTI_QUEUE
+ if (tapfdSize > 1)
ifr.ifr_flags |= IFF_MULTI_QUEUE;
-# else
- virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
- _("Multiqueue devices are not supported on this
system"));
- goto cleanup;
-# endif
- }
-# ifdef IFF_VNET_HDR
if (flags & VIR_NETDEV_TAP_CREATE_VNET_HDR)
ifr.ifr_flags |= IFF_VNET_HDR;
-# endif
if (virStrcpyStatic(ifr.ifr_name, *ifname) < 0) {
virReportSystemError(ERANGE,
--
2.26.2