--- /dev/null
+#!/usr/bin/env bash
+
+# Copyright (c) 2018 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.
+
+# CSIT SRIOV VF initialization and isolation.
+
+set -euo pipefail
+
+# Add Intel Corporation Ethernet Controller 10G X550T to blacklist.
+# See http://pci-ids.ucw.cz/v2.2/pci.ids for more info.
+pci_blacklist=($(lspci -Dmmd ':1563:0200' | cut -f1 -d' '))
+
+# Add Intel Corporation Ethernet Controller X710 for 10GbE SFP+ to whitelist.
+# See http://pci-ids.ucw.cz/v2.2/pci.ids for more info.
+pci_whitelist=($(lspci -Dmmd ':1572:0200' | cut -f1 -d' '))
+
+# Initilize whitelisted NICs with maximum number of VFs.
+pci_idx=0
+for pci_addr in ${pci_whitelist[@]}; do
+ if ! [[ ${pci_blacklist[*]} =~ "${pci_addr}" ]]; then
+ pci_path="/sys/bus/pci/devices/${pci_addr}"
+ # SR-IOV initialization
+ case "${1:-start}" in
+ "start" )
+ sriov_totalvfs=$(< "${pci_path}"/sriov_totalvfs)
+ ;;
+ "stop" )
+ sriov_totalvfs=0
+ ;;
+ esac
+ echo ${sriov_totalvfs} > "${pci_path}"/sriov_numvfs
+ # SR-IOV 802.1Q isolation
+ case "${1:-start}" in
+ "start" )
+ pf=$(basename "${pci_path}"/net/*)
+ for vf in $(seq "${sriov_totalvfs}"); do
+ # PCI address index in array (pairing siblings).
+ vlan_pf_idx=$(( pci_idx % (${#pci_whitelist[@]} / 2) ))
+ # 802.1Q base offset.
+ vlan_bs_off=1100
+ # 802.1Q PF PCI address offset.
+ vlan_pf_off=$(( vlan_pf_idx * 100 + vlan_bs_off ))
+ # 802.1Q VF PCI address offset.
+ vlan_vf_off=$(( vlan_pf_off + vf - 1 ))
+ # VLAN string.
+ vlan_str="vlan ${vlan_vf_off}"
+ # MAC string.
+ mac5="$(printf '%x' ${pci_idx})"
+ mac6="$(printf '%x' $(( vf - 1 )))"
+ mac_str="mac ba:dc:0f:fe:${mac5}:${mac6}"
+ # Set 802.1Q VLAN id and MAC address
+ ip link set ${pf} vf $(( vf - 1 )) ${mac_str} ${vlan_str}
+ done
+ pci_idx=$(( pci_idx + 1 ))
+ ;;
+ esac
+ fi
+done
--- /dev/null
+---
+# file: roles/vpp_device/tasks/main.yaml
+
+- name: Copy csit-initialize-vfs.sh
+ copy:
+ src: 'files/csit-initialize-vfs.sh'
+ dest: '/usr/local/bin/'
+ owner: 'root'
+ group: 'root'
+ mode: '744'
+ tags: copy-vf-script
+
+- name: Copy csit-initialize-vfs.service
+ copy:
+ src: 'files/csit-initialize-vfs.service'
+ dest: '/etc/systemd/system/'
+ owner: 'root'
+ group: 'root'
+ mode: '644'
+ notify: ['Enable csit-initialize-vfs.service']
+ tags: copy-vf-service
Code Review / csit.git / commitdiff