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Feature #2159: Add support for RX queues for virt-io NICS (VIRTIO_QUEUES)

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This commit is contained in:
Ruben S. Montero 2018-06-14 11:14:16 +02:00
parent da08792d15
commit 80585c9390
3 changed files with 24 additions and 8 deletions
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3
src/mad/sh/scripts_common.sh
View File

@ -928,6 +928,7 @@ function get_disk_information {
# * MODEL
# * IP
# * FILTER
# * VIRTIO_QUEUES
# * VROUTER_IP
# * INBOUND_AVG_BW
# * INBOUND_PEAK_BW
@ -960,6 +961,7 @@ function get_nic_information {
$NIC_XPATH/MODEL \
$NIC_XPATH/IP \
$NIC_XPATH/FILTER \
$NIC_XPATH/VIRTIO_QUEUES \
$NIC_XPATH/VROUTER_IP \
$NIC_XPATH/INBOUND_AVG_BW \
$NIC_XPATH/INBOUND_PEAK_BW \
@ -979,6 +981,7 @@ function get_nic_information {
MODEL="${XPATH_ELEMENTS[j++]}"
IP="${XPATH_ELEMENTS[j++]}"
FILTER="${XPATH_ELEMENTS[j++]}"
VIRTIO_QUEUES="${XPATH_ELEMENTS[j++]}"
VROUTER_IP="${XPATH_ELEMENTS[j++]}"
INBOUND_AVG_BW="${XPATH_ELEMENTS[j++]}"
INBOUND_PEAK_BW="${XPATH_ELEMENTS[j++]}"

25
src/vmm/LibVirtDriverKVM.cc
View File

@ -269,6 +269,7 @@ int LibVirtDriver::deployment_description_kvm(
string ip = "";
string vrouter_ip = "";
string filter = "";
string virtio_queues = "";
string i_avg_bw = "";
string i_peak_bw = "";
@ -1026,14 +1027,15 @@ int LibVirtDriver::deployment_description_kvm(
for(int i=0; i<num; i++)
{
bridge = nic[i]->vector_value("BRIDGE");
vn_mad = nic[i]->vector_value("VN_MAD");
mac = nic[i]->vector_value("MAC");
target = nic[i]->vector_value("TARGET");
script = nic[i]->vector_value("SCRIPT");
model = nic[i]->vector_value("MODEL");
ip = nic[i]->vector_value("IP");
filter = nic[i]->vector_value("FILTER");
bridge = nic[i]->vector_value("BRIDGE");
vn_mad = nic[i]->vector_value("VN_MAD");
mac = nic[i]->vector_value("MAC");
target = nic[i]->vector_value("TARGET");
script = nic[i]->vector_value("SCRIPT");
model = nic[i]->vector_value("MODEL");
ip = nic[i]->vector_value("IP");
filter = nic[i]->vector_value("FILTER");
virtio_queues = nic[i]->vector_value("VIRTIO_QUEUES");
vrouter_ip = nic[i]->vector_value("VROUTER_IP");
@ -1102,6 +1104,13 @@ int LibVirtDriver::deployment_description_kvm(
{
file << "\t\t\t<model type="
<< one_util::escape_xml_attr(*the_model) << "/>\n";
if(!virtio_queues.empty() && *the_model == "virtio")
{
file << "\t\t\t<driver name='vhost' queues="
<< one_util::escape_xml_attr(virtio_queues)
<< "/>\n";
}
}
if (!ip.empty() )

4
src/vmm_mad/remotes/kvm/attach_nic
View File

@ -46,6 +46,10 @@ fi
[ -n "${SCRIPT}" ] && DEVICE+=" <script path='$(xml_esc "${SCRIPT}")'/>"
[ -n "${MODEL}" ] && DEVICE+=" <model type='$(xml_esc "${MODEL}")'/>"
if [ -n "${VIRTIO_QUEUES}" ] && [ "${MODEL}" = "virtio" ]; then
DEVICE+=" <driver name='vhost' queues='$(xml_esc "${VIRTIO_QUEUES}")'/>"
fi
if [ -n "${IP}" ] && [ -n "${FILTER}" ]; then
DEVICE+=" <filterref filter='$(xml_esc "${FILTER}")'>"
DEVICE+=" <parameter name='IP' value='$(xml_esc "${IP}")'/>"