DPDK virtio patch: Enable indirect descriptor features

http://dpdk.org/dev/patchwork/patch/15610/

This change only includes patch for DPDK 16.07 as
DPDK 16.04 doesn't seem to compile for me.

Change-Id: I18d84456ef6a15aa308d5e14673a24cb4a7b6909
Signed-off-by: Pierre Pfister <ppfister@cisco.com>

diff --git a/dpdk/dpdk-16.07_patches/0010-virtio-enable-indirect-descriptors-feature.patch b/dpdk/dpdk-16.07_patches/0010-virtio-enable-indirect-descriptors-feature.patch
new file mode 100644 (file)
index 0000000..80cd4bf
--- /dev/null
+++ b/dpdk/dpdk-16.07_patches/0010-virtio-enable-indirect-descriptors-feature.patch
@@ -0,0 +1,34 @@
+From be1210e77f0f9072ccb8e6970552596b6780a44c Mon Sep 17 00:00:00 2001
+From: Pierre Pfister <ppfister@cisco.com>
+Date: Fri, 2 Sep 2016 16:24:57 +0200
+Subject: [PATCH] virtio: enable indirect descriptors feature
+
+Virtio indirect descriptors are supported by the data-path
+but the feature bit is never set during feature negociation.
+
+This patch simply adds VIRTIO_RING_F_INDIRECT_DESC back to
+the supported features bit mask, hence enabling the use of
+indirect descriptors when the feature is negociated with the
+device.
+
+Signed-off-by: Pierre Pfister <ppfister@cisco.com>
+---
+ drivers/net/virtio/virtio_ethdev.h | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/drivers/net/virtio/virtio_ethdev.h b/drivers/net/virtio/virtio_ethdev.h
+index 2ecec6e..31c91a5 100644
+--- a/drivers/net/virtio/virtio_ethdev.h
++++ b/drivers/net/virtio/virtio_ethdev.h
+@@ -63,6 +63,7 @@
+        1u << VIRTIO_NET_F_CTRL_RX       |     \
+        1u << VIRTIO_NET_F_CTRL_VLAN     |     \
+        1u << VIRTIO_NET_F_MRG_RXBUF     |     \
++       1u << VIRTIO_RING_F_INDIRECT_DESC |    \
+        1ULL << VIRTIO_F_VERSION_1)
+ 
+ /*
+-- 
+2.7.4 (Apple Git-66)
+
+