/*
 * 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.
 */

#include <unistd.h>
#include <sys/types.h>
#include <sys/mount.h>
#include <sys/mman.h>
#include <sys/fcntl.h>
#include <sys/stat.h>
#include <unistd.h>

#include <vppinfra/linux/sysfs.h>
#include <vlib/vlib.h>
#include <vlib/physmem.h>
#include <vlib/unix/unix.h>
#include <vlib/pci/pci.h>
#include <vlib/linux/vfio.h>

#if defined(__x86_64__) && !defined(CLIB_SANITIZE_ADDR)
/* we keep physmem in low 38 bits of VA address space as some
   IOMMU implamentation cannot map above that range */
#define VLIB_PHYSMEM_DEFAULT_BASE_ADDDR		(1ULL << 36)
#else
/* let kernel decide */
#define VLIB_PHYSMEM_DEFAULT_BASE_ADDDR		0
#endif

clib_error_t *
vlib_physmem_shared_map_create (vlib_main_t * vm, char *name, uword size,
				u32 log2_page_sz, u32 numa_node,
				u32 * map_index)
{
  clib_pmalloc_main_t *pm = vm->physmem_main.pmalloc_main;
  vlib_physmem_main_t *vpm = &vm->physmem_main;
  vlib_physmem_map_t *map;
  clib_pmalloc_arena_t *a;
  clib_error_t *error = 0;
  void *va;
  uword i;

  va = clib_pmalloc_create_shared_arena (pm, name, size, log2_page_sz,
					 numa_node);

  if (va == 0)
    return clib_error_return (0, "%U", format_clib_error
# 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.

*** Settings ***
| Resource | resources/libraries/robot/performance/performance_setup.robot
| ...
| Force Tags | 3_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
| ... | NIC_Intel-X520-DA2 | ETH | IP4FWD | FEATURE | ACL | ACL_STATELESS
| ... | IACL | ACL10 | 100k_FLOWS
| ...
| Suite Setup | Run Keywords
| ... | Set up 3-node performance topology with DUT's NIC model | L3
| ... | Intel-X520-DA2
| ... | AND | Set up performance test suite with ACL
| Suite Teardown | Tear down 3-node performance topology
| ...
| Test Setup | Set up performance test
| ...
| Test Teardown | Tear down performance test with ACL
| ... | ${min_rate}pps | ${framesize} | ${traffic_profile}
| ...
| Test Template | Local Template
| ...
| Documentation | *RFC2544: Packet throughput IPv4 test cases with ACL*
| ...
| ... | *[Top] Network Topologies:* TG-DUT1-DUT2-TG 3-node circular topology\
| ... | with single links between nodes.
| ... | *[Enc] Packet Encapsulations:* Eth-IPv4-UDP for IPv4 routing.
| ... | *[Cfg] DUT configuration:* DUT1 and DUT2 are configured with IPv4\
| ... | routing and one static IPv4 /24 route entries. Required ACL rules are\
| ... | applied to input paths of both DUT1 intefaces. DUT1 and DUT2 are tested\
| ... | with 2p10GE NIC X520 Niantic by Intel.
| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
| ... | Rate) with zero packet loss tolerance or throughput PDR (Partial Drop\
| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
| ... | of packets transmitted. NDR and PDR are discovered for different\
| ... | Ethernet L2 frame sizes using MLRsearch library.\
| ... | Test packets are generated by TG on links to DUTs. TG traffic profile\
| ... | contains two L3 flow-groups (flow-group per direction, ${flows_per_dir}\
| ... | flows per flow-group) with all packets containing Ethernet header, IPv4\
| ... | header with IP protocol=61 and static payload. MAC addresses are\
| ... | matching MAC addresses of the TG node interfaces.
| ... | *[Ref] Applicable standard specifications:* RFC2544.

*** Variables ***
# X520-DA2 bandwidth limit
| ${s_limit}= | ${10000000000}

# ACL test setup
| ${acl_action}= | permit
| ${acl_apply_type}= | input
| ${no_hit_aces_number}= | 10
| ${flows_per_dir}= | 100k

# starting points for non-hitting ACLs
| ${src_ip_start}= | 30.30.30.1
| ${dst_ip_start}= | 40.40.40.1
| ${ip_step}= | ${1}
| ${sport_start}= | ${1000}
| ${dport_start}= | ${1000}
| ${port_step}= | ${1}
| ${trex_stream1_subnet}= | 10.10.10.0/24
| ${trex_stream2_subnet}= | 20.20.20.0/24

| ${traffic_profile}= | trex-sl-3n-ethip4udp-100u1000p-conc

*** Keywords ***
| Local Template
| | [Documentation] | FIXME.
| | [Arguments] | ${framesize} | ${phy_cores} | ${rxq}=${None}
| | ...
| | Set Test Variable | ${framesize}
| | Set Test Variable | ${min_rate} | ${10000}
| | ...
| | Given Add worker threads and rxqueues to all DUTs | ${phy_cores} | ${rxq}
| | And Add PCI devices to all DUTs
| | ${max_rate} | ${jumbo} = | Get Max Rate And Jumbo And Handle Multi Seg
| | ... | ${s_limit} | ${framesize}
| | And Apply startup configuration on all VPP DUTs
| | ${ip_nr}= | Set Variable | 100
| | When Initialize IPv4 routing for '${ip_nr}' addresses with IPv4 ACLs on DUT1 in circular topology
| | Then Find NDR and PDR intervals using optimized search
| | ... | ${framesize} | ${traffic_profile} | ${min_rate} | ${max_rate}

*** Test Cases ***
| tc01-64B-1c-ethip4udp-ip4base-iacl10sl-100kflows-ndrpdr
| | [Tags] | 64B | 1C
| | framesize=${64} | phy_cores=${1}

| tc02-64B-2c-ethip4udp-ip4base-iacl10sl-100kflows-ndrpdr
| | [Tags] | 64B | 2C
| | framesize=${64} | phy_cores=${2}

| tc03-64B-4c-ethip4udp-ip4base-iacl10sl-100kflows-ndrpdr
| | [Tags] | 64B | 4C
| | framesize=${64} | phy_cores=${4}

| tc04-1518B-1c-ethip4udp-ip4base-iacl10sl-100kflows-ndrpdr
| | [Tags] | 1518B | 1C
| | framesize=${1518} | phy_cores=${1}

| tc05-1518B-2c-ethip4udp-ip4base-iacl10sl-100kflows-ndrpdr
| | [Tags] | 1518B | 2C
| | framesize=${1518} | phy_cores=${2}

| tc06-1518B-4c-ethip4udp-ip4base-iacl10sl-100kflows-ndrpdr
| | [Tags] | 1518B | 4C
| | framesize=${1518} | phy_cores=${4}

| tc07-9000B-1c-ethip4udp-ip4base-iacl10sl-100kflows-ndrpdr
| | [Tags] | 9000B | 1C
| | framesize=${9000} | phy_cores=${1}

| tc08-9000B-2c-ethip4udp-ip4base-iacl10sl-100kflows-ndrpdr
| | [Tags] | 9000B | 2C
| | framesize=${9000} | phy_cores=${2}

| tc09-9000B-4c-ethip4udp-ip4base-iacl10sl-100kflows-ndrpdr
| | [Tags] | 9000B | 4C
| | framesize=${9000} | phy_cores=${4}

| tc10-IMIX-1c-ethip4udp-ip4base-iacl10sl-100kflows-ndrpdr
| | [Tags] | IMIX | 1C
| | framesize=IMIX_v4_1 | phy_cores=${1}

| tc11-IMIX-2c-ethip4udp-ip4base-iacl10sl-100kflows-ndrpdr
| | [Tags] | IMIX | 2C
| | framesize=IMIX_v4_1 | phy_cores=${2}

| tc12-IMIX-4c-ethip4udp-ip4base-iacl10sl-100kflows-ndrpdr
| | [Tags] | IMIX | 4C
| | framesize=IMIX_v4_1 | phy_cores=${4}