Redhat and small system support

Initial 17.10 commit
Final 17.07 cleanup, 17.10 next
Added CentOS grub support, this should complete the CentOS support
Added Centos install/unistall
Added TCP parameters.

Change-Id: I064e3a4118969ac36e62924a6a3f8a98f132ba60
Signed-off-by: John DeNisco <jdenisco@cisco.com>
Signed-off-by: Dave Barach <dave@barachs.net>

1 files changed, 330 insertions, 0 deletions

diff --git a/extras/vpp_config/vpplib/VppPCIUtil.py b/extras/vpp_config/vpplib/VppPCIUtil.py
new file mode 100644
index 00000000000..829d66ae374
--- /dev/null
+++ b/extras/vpp_config/vpplib/VppPCIUtil.py
@@ -0,0 +1,330 @@
+# Copyright (c) 2016 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""VPP PCI Utility libraries"""
+
+import re
+
+from vpplib.VPPUtil import VPPUtil
+
+DPDK_SCRIPT = "/vpp/vpp-config/scripts/dpdk-devbind.py"
+
+# PCI Device id regular expresssion
+PCI_DEV_ID_REGEX = '[0-9A-Fa-f]+:[0-9A-Fa-f]+:[0-9A-Fa-f]+.[0-9A-Fa-f]+'
+
+
+class VppPCIUtil(object):
+    """
+    PCI Utilities
+
+    """
+
+    @staticmethod
+    def _create_device_list(device_string):
+        """
+        Returns a list of PCI devices
+
+        :param device_string: The devices string from dpdk_devbind
+        :returns: The device list
+        :rtype: dictionary
+        """
+
+        devices = {}
+
+        ids = re.findall(PCI_DEV_ID_REGEX, device_string)
+        descriptions = re.findall(r'\'([\s\S]*?)\'', device_string)
+        unused = re.findall(r'unused=[\w,]+', device_string)
+
+        for i, j in enumerate(ids):
+            device = {'description': descriptions[i]}
+            if unused:
+                device['unused'] = unused[i].split('=')[1].split(',')
+
+            cmd = 'ls /sys/bus/pci/devices/{}/driver/module/drivers'. \
+                format(ids[i])
+            (ret, stdout, stderr) = VPPUtil.exec_command(cmd)
+            if ret == 0:
+                device['driver'] = stdout.split(':')[1].rstrip('\n')
+
+            cmd = 'cat /sys/bus/pci/devices/{}/numa_node'.format(ids[i])
+            (ret, stdout, stderr) = VPPUtil.exec_command(cmd)
+            if ret != 0:
+                raise RuntimeError('{} failed {} {}'.
+                                   format(cmd, stderr, stdout))
+            numa_node = stdout.rstrip('\n')
+            if numa_node == '-1':
+                device['numa_node'] = '0'
+            else:
+                device['numa_node'] = numa_node
+
+            interfaces = []
+            device['interfaces'] = []
+            cmd = 'ls /sys/bus/pci/devices/{}/net'.format(ids[i])
+            (ret, stdout, stderr) = VPPUtil.exec_command(cmd)
+            if ret == 0:
+                interfaces = stdout.rstrip('\n').split()
+                device['interfaces'] = interfaces
+
+            l2_addrs = []
+            for intf in interfaces:
+                cmd = 'cat /sys/bus/pci/devices/{}/net/{}/address'.format(
+                    ids[i], intf)
+                (ret, stdout, stderr) = VPPUtil.exec_command(cmd)
+                if ret != 0:
+                    raise RuntimeError('{} failed {} {}'.
+                                       format(cmd, stderr, stdout))
+
+                l2_addrs.append(stdout.rstrip('\n'))
+
+            device['l2addr'] = l2_addrs
+
+            devices[ids[i]] = device
+
+        return devices
+
+    def __init__(self, node):
+        self._node = node
+        self._dpdk_devices = {}
+        self._kernel_devices = {}
+        self._other_devices = {}
+        self._crypto_dpdk_devices = {}
+        self._crypto_kernel_devices = {}
+        self._crypto_other_devices = {}
+        self._link_up_devices = {}
+
+    def get_all_devices(self):
+        """
+        Returns a list of all the devices
+
+        """
+
+        node = self._node
+        rootdir = node['rootdir']
+        dpdk_script = rootdir + DPDK_SCRIPT
+        cmd = dpdk_script + ' --status'
+        (ret, stdout, stderr) = VPPUtil.exec_command(cmd)
+        if ret != 0:
+            raise RuntimeError('{} failed on node {} {}'.format(
+                cmd,
+                node['host'],
+                stderr))
+
+        # Get the network devices using the DPDK
+        # First get everything after using DPDK
+        stda = stdout.split('Network devices using DPDK-compatible driver')[1]
+        # Then get everything before using kernel driver
+        using_dpdk = stda.split('Network devices using kernel driver')[0]
+        self._dpdk_devices = self._create_device_list(using_dpdk)
+
+        # Get the network devices using the kernel
+        stda = stdout.split('Network devices using kernel driver')[1]
+        using_kernel = stda.split('Other network devices')[0]
+        self._kernel_devices = self._create_device_list(using_kernel)
+
+        # Get the other network devices
+        stda = stdout.split('Other network devices')[1]
+        other = stda.split('Crypto devices using DPDK-compatible driver')[0]
+        self._other_devices = self._create_device_list(other)
+
+        # Get the crypto devices using the DPDK
+        stda = stdout.split('Crypto devices using DPDK-compatible driver')[1]
+        crypto_using_dpdk = stda.split('Crypto devices using kernel driver')[0]
+        self._crypto_dpdk_devices = self._create_device_list(
+            crypto_using_dpdk)
+
+        # Get the network devices using the kernel
+        stda = stdout.split('Crypto devices using kernel driver')[1]
+        crypto_using_kernel = stda.split('Other crypto devices')[0]
+        self._crypto_kernel_devices = self._create_device_list(
+            crypto_using_kernel)
+
+        # Get the other network devices
+        crypto_other = stdout.split('Other crypto devices')[1]
+        self._crypto_other_devices = self._create_device_list(crypto_other)
+
+        # Get the devices used by the kernel
+        for devk in self._kernel_devices.items():
+            dvid = devk[0]
+            device = devk[1]
+            for i in device['interfaces']:
+                cmd = "ip addr show " + i
+                (ret, stdout, stderr) = VPPUtil.exec_command(cmd)
+                if ret != 0:
+                    raise RuntimeError('{} failed on node {} {}'.format(
+                        cmd,
+                        node['host'],
+                        stderr))
+                lstate = re.findall(r'state \w+', stdout)[0].split(' ')[1]
+
+                # Take care of the links that are UP
+                if lstate == 'UP':
+                    device['linkup'] = True
+                    self._link_up_devices[dvid] = device
+
+        for devl in self._link_up_devices.items():
+            dvid = devl[0]
+            del self._kernel_devices[dvid]
+
+    def get_dpdk_devices(self):
+        """
+        Returns a list the dpdk devices
+
+        """
+        return self._dpdk_devices
+
+    def get_kernel_devices(self):
+        """
+        Returns a list the kernel devices
+
+        """
+        return self._kernel_devices
+
+    def get_other_devices(self):
+        """
+        Returns a list the other devices
+
+        """
+        return self._other_devices
+
+    def get_crypto_dpdk_devices(self):
+        """
+        Returns a list the crypto dpdk devices
+
+        """
+        return self._crypto_dpdk_devices
+
+    def get_crypto_kernel_devices(self):
+        """
+        Returns a list the crypto kernel devices
+
+        """
+        return self._crypto_kernel_devices
+
+    def get_crypto_other_devices(self):
+        """
+        Returns a list the crypto other devices
+
+        """
+        return self._crypto_other_devices
+
+    def get_link_up_devices(self):
+        """
+        Returns a list the link up devices
+
+        """
+        return self._link_up_devices
+
+    @staticmethod
+    def vpp_create_interface(interfaces, device_id, device):
+        """
+        Create an interface using the device is and device
+
+        """
+
+        name = 'port' + str(len(interfaces))
+        interfaces[name] = {}
+        interfaces[name]['pci_address'] = device_id
+        interfaces[name]['numa_node'] = device['numa_node']
+        if 'l2addr' in device:
+            l2_addrs = device['l2addr']
+            for i, j in enumerate(l2_addrs):
+                if i > 0:
+                    mname = 'mac_address' + str(i + 1)
+                    interfaces[name][mname] = l2_addrs[i]
+                else:
+                    interfaces[name]['mac_address'] = l2_addrs[i]
+
+    @staticmethod
+    def show_vpp_devices(devices, show_interfaces=True, show_header=True):
+        """
+        show the vpp devices specified in the argument
+
+        :param devices: A list of devices
+        :param show_interfaces: show the kernel information
+        :type devices: dict
+        :type show_interfaces: bool
+        """
+
+
+        if show_interfaces:
+            header = "{:15} {:25} {:50}".format("PCI ID",
+                                                "Kernel Interface(s)",
+                                                "Description")
+        else:
+            header = "{:15} {:50}".format("PCI ID",
+                                          "Description")
+        dashseparator = ("-" * (len(header) - 2))
+
+
+        if show_header == True:
+            print header
+            print dashseparator
+        for dit in devices.items():
+            dvid = dit[0]
+            device = dit[1]
+            if show_interfaces:
+                interfaces = device['interfaces']
+                interface = ''
+                for i, j in enumerate(interfaces):
+                    if i > 0:
+                        interface += ',' + interfaces[i]
+                    else:
+                        interface = interfaces[i]
+
+                print "{:15} {:25} {:50}".format(
+                    dvid, interface, device['description'])
+            else:
+                print "{:15} {:50}".format(
+                    dvid, device['description'])
+
+    @staticmethod
+    def unbind_vpp_device(node, device_id):
+        """
+        unbind the device specified
+
+        :param node: Node dictionary with cpuinfo.
+        :param device_id: The device id
+        :type node: dict
+        :type device_id: string
+        """
+
+
+        rootdir = node['rootdir']
+        dpdk_script = rootdir + DPDK_SCRIPT
+        cmd = dpdk_script + ' -u ' + ' ' + device_id
+        (ret, stdout, stderr) = VPPUtil.exec_command(cmd)
+        if ret != 0:
+            raise RuntimeError('{} failed on node {} {} {}'.format(
+                cmd, node['host'],
+                stdout, stderr))
+
+    @staticmethod
+    def bind_vpp_device(node, driver, device_id):
+        """
+        bind the device specified
+
+        :param node: Node dictionary with cpuinfo.
+        :param driver: The driver
+        :param device_id: The device id
+        :type node: dict
+        :type driver: string
+        :type device_id: string
+        """
+
+        rootdir = node['rootdir']
+        dpdk_script = rootdir + DPDK_SCRIPT
+        cmd = dpdk_script + ' -b ' + driver + ' ' + device_id
+        (ret, stdout, stderr) = VPPUtil.exec_command(cmd)
+        if ret != 0:
+            raise RuntimeError('{} failed on node {} {} {}'.format(
+                cmd, node['host'], stdout, stderr))