* [dpdk-dev] [PATCH] vhost: fix build error for old kernels
@ 2016-03-08 8:51 Yuanhan Liu
2016-03-11 15:29 ` Thomas Monjalon
0 siblings, 1 reply; 2+ messages in thread
From: Yuanhan Liu @ 2016-03-08 8:51 UTC (permalink / raw)
To: dev
VIRTIO_NET_F_GUEST_ANNOUNCE is a new feature introduced since kernel
v3.5. For older kernels (or more precisely, old distributions), we
could simply define it manually, to fix the "macro not defined" error.
Fixes: d293dac8f30e ("vhost: claim support of guest announce")
Signed-off-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>
---
lib/librte_vhost/rte_virtio_net.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/lib/librte_vhost/rte_virtio_net.h b/lib/librte_vhost/rte_virtio_net.h
index 7d1fde2..443245d 100644
--- a/lib/librte_vhost/rte_virtio_net.h
+++ b/lib/librte_vhost/rte_virtio_net.h
@@ -97,6 +97,11 @@ struct vhost_virtqueue {
struct buf_vector buf_vec[BUF_VECTOR_MAX]; /**< for scatter RX. */
} __rte_cache_aligned;
+/* Old kernels have no such macro defined */
+#ifndef VIRTIO_NET_F_GUEST_ANNOUNCE
+ #define VIRTIO_NET_F_GUEST_ANNOUNCE 21
+#endif
+
/*
* Make an extra wrapper for VIRTIO_NET_F_MQ and
--
1.9.0
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [dpdk-dev] [PATCH] vhost: fix build error for old kernels
2016-03-08 8:51 [dpdk-dev] [PATCH] vhost: fix build error for old kernels Yuanhan Liu
@ 2016-03-11 15:29 ` Thomas Monjalon
0 siblings, 0 replies; 2+ messages in thread
From: Thomas Monjalon @ 2016-03-11 15:29 UTC (permalink / raw)
To: Yuanhan Liu; +Cc: dev
2016-03-08 16:51, Yuanhan Liu:
> VIRTIO_NET_F_GUEST_ANNOUNCE is a new feature introduced since kernel
> v3.5. For older kernels (or more precisely, old distributions), we
> could simply define it manually, to fix the "macro not defined" error.
>
> Fixes: d293dac8f30e ("vhost: claim support of guest announce")
>
> Signed-off-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>
Applied, thanks
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2016-03-11 15:30 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2016-03-08 8:51 [dpdk-dev] [PATCH] vhost: fix build error for old kernels Yuanhan Liu
2016-03-11 15:29 ` Thomas Monjalon
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).