diff options
Diffstat (limited to 'vnfs/qemu')
| -rw-r--r-- | vnfs/qemu/qemu.py | 2 | ||||
| -rw-r--r-- | vnfs/qemu/qemu_dpdk_vhost_user.py | 11 | ||||
| -rw-r--r-- | vnfs/qemu/qemu_pci_passthrough.py | 16 |
3 files changed, 17 insertions, 12 deletions
diff --git a/vnfs/qemu/qemu.py b/vnfs/qemu/qemu.py index c9569ae6..01c16a0f 100644 --- a/vnfs/qemu/qemu.py +++ b/vnfs/qemu/qemu.py @@ -85,7 +85,7 @@ class IVnfQemu(IVnf): vnc = ':%d' % self._number # don't use taskset to affinize main qemu process; It causes hangup # of 2nd VM in case of DPDK. It also slows down VM responsivnes. - self._cmd = ['sudo', '-E', S.getValue('QEMU_BIN'), + self._cmd = ['sudo', '-E', S.getValue('TOOLS')['qemu-system'], '-m', S.getValue('GUEST_MEMORY')[self._number], '-smp', str(S.getValue('GUEST_SMP')[self._number]), '-cpu', 'host,migratable=off', diff --git a/vnfs/qemu/qemu_dpdk_vhost_user.py b/vnfs/qemu/qemu_dpdk_vhost_user.py index fc46aba1..51c10242 100644 --- a/vnfs/qemu/qemu_dpdk_vhost_user.py +++ b/vnfs/qemu/qemu_dpdk_vhost_user.py @@ -39,6 +39,12 @@ class QemuDpdkVhostUser(IVnfQemu): else: queue_str, mq_vector_str = '', '' + # Guest merge buffer setting + if S.getValue('GUEST_NIC_MERGE_BUFFERS_DISABLE')[self._number]: + merge_buff = 'mrg_rxbuf=off,' + else: + merge_buff = '' + # calculate index of first interface, i.e. check how many # interfaces has been created for previous VMs, where 1st NIC # of 1st VM has index 0 @@ -52,7 +58,7 @@ class QemuDpdkVhostUser(IVnfQemu): self._cmd += ['-chardev', 'socket,id=char' + ifi + - ',path=' + S.getValue('OVS_VAR_DIR') + + ',path=' + S.getValue('TOOLS')['ovs_var_tmp'] + 'dpdkvhostuser' + ifi, '-netdev', 'type=vhost-user,id=' + net + @@ -60,7 +66,8 @@ class QemuDpdkVhostUser(IVnfQemu): '-device', 'virtio-net-pci,mac=' + self._nics[nic]['mac'] + - ',netdev=' + net + ',csum=off,gso=off,' + + ',netdev=' + net + ',csum=off,' + merge_buff + + 'gso=off,' + 'guest_tso4=off,guest_tso6=off,guest_ecn=off' + mq_vector_str, ] diff --git a/vnfs/qemu/qemu_pci_passthrough.py b/vnfs/qemu/qemu_pci_passthrough.py index 951d6086..f32f33d3 100644 --- a/vnfs/qemu/qemu_pci_passthrough.py +++ b/vnfs/qemu/qemu_pci_passthrough.py @@ -19,7 +19,6 @@ import logging import subprocess import os -import glob from conf import settings as S from vnfs.qemu.qemu import IVnfQemu @@ -27,7 +26,6 @@ from tools import tasks from tools.module_manager import ModuleManager _MODULE_MANAGER = ModuleManager() -_RTE_PCI_TOOL = glob.glob(os.path.join(S.getValue('RTE_SDK'), 'tools', 'dpdk*bind.py'))[0] class QemuPciPassthrough(IVnfQemu): """ @@ -39,7 +37,7 @@ class QemuPciPassthrough(IVnfQemu): """ super(QemuPciPassthrough, self).__init__() self._logger = logging.getLogger(__name__) - self._nics = S.getValue('NICS') + self._host_nics = S.getValue('NICS') # in case of SRIOV and PCI passthrough we must ensure, that MAC addresses are swapped if S.getValue('SRIOV_ENABLED') and not self._testpmd_fwd_mode.startswith('mac'): @@ -47,7 +45,7 @@ class QemuPciPassthrough(IVnfQemu): self._testpmd_fwd_mode, 'mac') self._testpmd_fwd_mode = 'mac' - for nic in self._nics: + for nic in self._host_nics: self._cmd += ['-device', 'vfio-pci,host=' + nic['pci']] def start(self): @@ -59,12 +57,12 @@ class QemuPciPassthrough(IVnfQemu): # bind every interface to vfio-pci driver try: - nics_list = list(tmp_nic['pci'] for tmp_nic in self._nics) - tasks.run_task(['sudo', _RTE_PCI_TOOL, '--bind=vfio-pci'] + nics_list, + nics_list = list(tmp_nic['pci'] for tmp_nic in self._host_nics) + tasks.run_task(['sudo', S.getValue('TOOLS')['bind-tool'], '--bind=vfio-pci'] + nics_list, self._logger, 'Binding NICs %s...' % nics_list, True) except subprocess.CalledProcessError: - self._logger.error('Unable to bind NICs %s', self._nics) + self._logger.error('Unable to bind NICs %s', self._host_nics) super(QemuPciPassthrough, self).start() @@ -75,10 +73,10 @@ class QemuPciPassthrough(IVnfQemu): super(QemuPciPassthrough, self).stop() # bind original driver to every interface - for nic in self._nics: + for nic in self._host_nics: if nic['driver']: try: - tasks.run_task(['sudo', _RTE_PCI_TOOL, '--bind=' + nic['driver'], nic['pci']], + tasks.run_task(['sudo', S.getValue('TOOLS')['bind-tool'], '--bind=' + nic['driver'], nic['pci']], self._logger, 'Binding NIC %s...' % nic['pci'], True) except subprocess.CalledProcessError: |