X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=resources%2Ftools%2Ftestbed-setup%2Fansible%2Froles%2Fvpp_device%2Ffiles%2Fcsit-initialize-vfs.sh;fp=resources%2Ftools%2Ftestbed-setup%2Fansible%2Froles%2Fvpp_device%2Ffiles%2Fcsit-initialize-vfs.sh;h=666839c707ea4985fd9672a53a0ec1605bbc2476;hb=388117d6bfe6f05d3f20d1a7e632076f5526227f;hp=0000000000000000000000000000000000000000;hpb=bb0f69d12e0e509c58bb5b8116d73bb585a4ea09;p=csit.git

diff --git a/resources/tools/testbed-setup/ansible/roles/vpp_device/files/csit-initialize-vfs.sh b/resources/tools/testbed-setup/ansible/roles/vpp_device/files/csit-initialize-vfs.sh
new file mode 100644
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+++ b/resources/tools/testbed-setup/ansible/roles/vpp_device/files/csit-initialize-vfs.sh
@@ -0,0 +1,69 @@
+#!/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