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path: root/plugins/dpdk/roles/ins_dpdk/tasks/dpdk.yml
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# #############################################################################
# Copyright (c) 2017 HUAWEI TECHNOLOGIES CO.,LTD and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
# #############################################################################
---
- name: install prerequisites package
  apt:
    name: "{{ item }}"
    state: present
  with_items:
    - git
    - gcc
    - make
    - cmake
    - libpcap0.8
    - libpcap0.8-dev

- name: git clone DPDK code
  git:
    repo: "{{ dpdk_repo }}"
    dest: "{{ dpdk_dir }}"
    version: "{{ dpdk_version }}"

- name: Configure DPDK
  lineinfile:
    dest: "{{ dpdk_dir }}/config/common_linuxapp"
    regexp: '^{{ item.key }}='
    line: "{{ item.key }}={{ item.value }}"
  with_items:
    - key: CONFIG_RTE_BUILD_COMBINE_LIBS
      value: y
  register: dpdk_config_change

- name: make config DPDK
  command: make config T=x86_64-native-linuxapp-gcc chdir={{ dpdk_dir }}

- name: Configure PMD
  lineinfile:
    dest: "{{ dpdk_dir }}/build/.config"
    regexp: '^{{ item.key }}='
    line: "{{ item.key }}={{ item.value }}"
  with_items:
    - key: PMD_PCAP
      value: y

- name: Check if DPDK build exists
  stat: path={{ dpdk_build }}
  register: dpdk_build_status

- name: Build DPDK
  command: make install T=x86_64-native-linuxapp-gcc chdir={{ dpdk_dir }}
  when: (dpdk_build_status.stat.isdir is not defined) or
        (dpdk_rebuild is defined) or
        dpdk_config_change.changed or dpdk_changed.changed

- name: Get dpdk interface device name
  command: echo "{{ compu_sys_mappings['tenant']['interface'] }}"
  register: dpdk_device_name
  when: compu_sys_mappings["tenant"]["type"] == "dpdk"

- debug:
    msg: "{{ dpdk_device_name }}"

- name: Create DPDK scripts
  template:
    src: "templates/{{ item.name }}.j2"
    dest: "/root/{{ item.name }}"
    mode: 0755
  with_items:
    - name: dpdk_uio.sh
      dpdk_build: '{{ dpdk_build }}'
      dpdk_dir: '{{ dpdk_dir }}'
      device_name: '{{ dpdk_device_name.stdout | default("eth2") }}'
    - name: dpdk_vfio.sh
      dpdk_build: '{{ dpdk_build }}'
      dpdk_dir: '{{ dpdk_dir }}'
      device_name: '{{ dpdk_device_name.stdout | default("eth2") }}'