Dell Mellanox Family of Adapters - Manual (Page 44)

Driver Installation and Configuration Rev 1.1
Mellanox Technologies 44
4.2.7.3 Enabling SR-IOV and Para Virtualization on the Same Setup
 To enable SR-IOV and Para Virtualization on the same setup:
Step 1. Create a bridge.
Step 2. Change the related interface (in the example below bridge0 is created over eth5).
Step 3. Restart the service network.
Step 4. Attach a virtual NIC to VM.
4.2.7.4 Assigning a Virtual Function to a Virtual Machine
This section will describe a mechanism for adding a SR-IOV VF to a Virtual Machine.
Assigning the SR-IOV Virtual Function to the Red Hat KVM VM Server
Step 1. Run the virt-manager.
Step 2. Double click on the virtual machine and open its Properties.
vim /etc/sysconfig/network-scripts/ifcfg-bridge0
DEVICE=bridge0
TYPE=Bridge
IPADDR=12.195.15.1
NETMASK=255.255.0.0
BOOTPROTO=static
ONBOOT=yes
NM_CONTROLLED=no
DELAY=0
DEVICE=eth5
BOOTPROTO=none
STARTMODE=on
HWADDR=00:02:c9:2e:66:52
TYPE=Ethernet
NM_CONTROLLED=no
ONBOOT=yes
BRIDGE=bridge0
ifconfig -a
…
eth6 Link encap:Ethernet HWaddr 52:54:00:E7:77:99
inet addr:13.195.15.5 Bcast:13.195.255.255 Mask:255.255.0.0
inet6 addr: fe80::5054:ff:fee7:7799/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:481 errors:0 dropped:0 overruns:0 frame:0
TX packets:450 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:22440 (21.9 KiB) TX bytes:19232 (18.7 KiB)
Interrupt:10 Base address:0xa000
…