net: tests: Add unit tests for 6lowpan functionality
Change-Id: Ie13a05300e05fdc536fcb4ec64e323789704ba8b Signed-off-by: Ravi kumar Veeramally <ravikumar.veeramally@linux.intel.com>
This commit is contained in:
parent
c475796a19
commit
c1ee601962
6 changed files with 501 additions and 0 deletions
6
tests/net/6lo/Makefile
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6
tests/net/6lo/Makefile
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@ -0,0 +1,6 @@
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BOARD ?= qemu_x86
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MDEF_FILE = prj.mdef
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KERNEL_TYPE ?= nano
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CONF_FILE = prj_$(ARCH).conf
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include $(ZEPHYR_BASE)/Makefile.inc
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5
tests/net/6lo/prj.mdef
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5
tests/net/6lo/prj.mdef
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% Application : Network test
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% TASK NAME PRIO ENTRY STACK GROUPS
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% ===================================================
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TASK MAIN 7 mainloop 2048 [EXE]
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20
tests/net/6lo/prj_x86.conf
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20
tests/net/6lo/prj_x86.conf
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CONFIG_NETWORKING=y
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CONFIG_NET_YAIP=y
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CONFIG_NET_L2_DUMMY=y
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CONFIG_NET_IPV6=y
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CONFIG_NET_IPV6_ND=n
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CONFIG_NET_IPV6_DAD=n
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CONFIG_NET_6LO=y
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CONFIG_NET_BUF=y
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CONFIG_TEST_RANDOM_GENERATOR=y
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CONFIG_MAIN_STACK_SIZE=5048
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CONFIG_NET_NBUF_RX_COUNT=8
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CONFIG_NET_NBUF_TX_COUNT=8
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CONFIG_NET_NBUF_DATA_COUNT=10
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CONFIG_NET_LOG=y
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CONFIG_SYS_LOG_SHOW_COLOR=y
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CONFIG_NETWORK_IP_STACK_DEBUG_IF=y
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CONFIG_NETWORK_IP_STACK_DEBUG_CORE=y
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CONFIG_NETWORK_IP_STACK_6LO_DEBUG=n
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CONFIG_NETWORK_IP_STACK_DEBUG_NET_BUF=n
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CONFIG_NET_BUF_DEBUG=n
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3
tests/net/6lo/src/Makefile
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3
tests/net/6lo/src/Makefile
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@ -0,0 +1,3 @@
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obj-y = main.o
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ccflags-y += -I${ZEPHYR_BASE}/net/yaip
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ccflags-y += -I${ZEPHYR_BASE}/tests/include
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456
tests/net/6lo/src/main.c
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456
tests/net/6lo/src/main.c
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/* main.c - Application main entry point */
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/*
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* Copyright (c) 2016 Intel Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <zephyr.h>
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#include <sections.h>
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#include <stdint.h>
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#include <stddef.h>
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#include <string.h>
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#include <stdio.h>
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#include <errno.h>
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#include <device.h>
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#include <init.h>
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#include <misc/printk.h>
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#include <net/net_core.h>
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#include <net/nbuf.h>
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#include <net/net_ip.h>
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#include <tc_util.h>
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#include "6lo.h"
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#define NET_DEBUG 1
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#include "net_private.h"
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#define DEBUG 0
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#define SIZE_OF_SMALL_DATA 40
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#define SIZE_OF_LARGE_DATA 120
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/**
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* IPv6 Source and Destination address
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* Example addresses are based on SAC (Source Adddress Compression),
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* SAM (Source Address Mode), DAC (Destination Address Compression),
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* DAM (Destination Address Mode) and also if the destination address
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* is Multicast address.
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*/
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#define src_sac1_sam00 \
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{ { { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }
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#define src_sam00 \
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{ { { 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }
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#define src_sam01 \
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{ { { 0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xaa } } }
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#define src_sam10 \
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{ { { 0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
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0x00, 0x00, 0x00, 0xff, 0xfe, 0x00, 0x00, 0xbb } } }
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#define dst_m1_dam00 \
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{ { { 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
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0x00, 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66 } } }
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#define dst_m1_dam01 \
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{ { { 0xff, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
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0x00, 0x00, 0x00, 0x11, 0x22, 0x33, 0x44, 0x55 } } }
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#define dst_m1_dam10 \
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{ { { 0xff, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
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0x00, 0x00, 0x00, 0x00, 0x00, 0x11, 0x22, 0x33 } } }
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#define dst_m1_dam11 \
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{ { { 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11 } } }
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#define dst_dam00 \
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{ { { 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }
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#define dst_dam01 \
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{ { { 0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xaa } } }
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#define dst_dam10 \
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{ { { 0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
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0x00, 0x00, 0x00, 0xff, 0xfe, 0x00, 0x00, 0xbb } } }
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/* UDP Ports */
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/* 4 bit compressible udp ports */
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#define udp_src_port_4bit 0xb1f0
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#define udp_dst_port_4bit 0xb2f0
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/* 8 bit compressible udp ports */
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#define udp_src_port_8bit 0x11f1
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#define udp_dst_port_8bit_y 0x22f0
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#define udp_src_port_8bit_y 0x11f0
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#define udp_dst_port_8bit 0x22f1
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/* uncompressible ports */
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#define udp_src_port_16bit 0x11ff
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#define udp_dst_port_16bit 0x22ff
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static const char user_data[] =
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"0123456789012345678901234567890123456789"
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"0123456789012345678901234567890123456789"
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"0123456789012345678901234567890123456789";
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struct net_6lo_data {
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struct net_ipv6_hdr ipv6;
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struct net_udp_hdr udp;
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bool small;
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} __packed;
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int net_6lo_dev_init(struct device *dev)
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{
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struct net_6lo_context *net_6lo_context = dev->driver_data;
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net_6lo_context = net_6lo_context;
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return 0;
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}
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static void net_6lo_iface_init(struct net_if *iface)
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{
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uint8_t mac[8] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xaa, 0xbb};
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net_if_set_link_addr(iface, mac, 8);
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}
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static int tester_send(struct net_if *iface, struct net_buf *buf)
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{
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net_nbuf_unref(buf);
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return NET_OK;
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}
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static struct net_if_api net_6lo_if_api = {
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.init = net_6lo_iface_init,
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.send = tester_send,
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};
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NET_DEVICE_INIT(net_6lo_test, "net_6lo_test",
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net_6lo_dev_init, NULL, NULL,
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CONFIG_KERNEL_INIT_PRIORITY_DEFAULT,
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&net_6lo_if_api, DUMMY_L2, 127);
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static bool compare_data(struct net_buf *buf, struct net_6lo_data *data)
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{
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struct net_buf *frag;
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uint8_t bytes, pos, compare, offset = 0;
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int remaining = data->small ? SIZE_OF_SMALL_DATA : SIZE_OF_LARGE_DATA;
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if (net_buf_frags_len(buf->frags) != (NET_IPV6UDPH_LEN + remaining)) {
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printk("mismatch lengths, expected %d received %d\n",
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NET_IPV6UDPH_LEN + remaining,
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net_buf_frags_len(buf->frags));
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return false;
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}
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frag = buf->frags;
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if (memcmp(frag->data, (uint8_t *)data, NET_IPV6UDPH_LEN)) {
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printk("mismatch headers\n");
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return false;
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}
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pos = 0;
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offset = NET_IPV6UDPH_LEN;
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while (remaining > 0 && frag) {
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bytes = frag->len - offset;
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compare = remaining > bytes ? bytes : remaining;
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if (memcmp(frag->data + offset, user_data + pos, compare)) {
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printk("data mismatch\n");
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return false;
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}
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pos += compare;
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remaining -= compare;
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frag = frag->frags;
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offset = 0;
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}
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return true;
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}
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static struct net_buf *create_buf(struct net_6lo_data *data)
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{
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struct net_buf *buf, *frag;
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uint8_t bytes, pos;
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uint16_t len;
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int remaining;
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buf = net_nbuf_get_reserve_tx(0);
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if (!buf) {
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return NULL;
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}
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net_nbuf_set_iface(buf, net_if_get_default());
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net_nbuf_set_ip_hdr_len(buf, NET_IPV6H_LEN);
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frag = net_nbuf_get_reserve_data(0);
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if (!frag) {
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net_nbuf_unref(buf);
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return NULL;
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}
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memcpy(frag->data, (uint8_t *) data, NET_IPV6UDPH_LEN);
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net_buf_add(frag, NET_IPV6UDPH_LEN);
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pos = 0;
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remaining = data->small ? SIZE_OF_SMALL_DATA : SIZE_OF_LARGE_DATA;
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len = NET_UDPH_LEN + remaining;
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/* length is not set in net_6lo_data data pointer, calculate and set
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* in ipv6, udp and in data pointer too (it's required in comparison) */
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frag->data[4] = len >> 8;
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frag->data[5] = (uint8_t) len;
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frag->data[44] = len >> 8;
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frag->data[4] = (uint8_t) len;
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data->ipv6.len[0] = len >> 8;
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data->ipv6.len[1] = (uint8_t) len;
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data->udp.len = len;
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while (remaining > 0) {
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uint8_t copy;
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bytes = net_buf_tailroom(frag);
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copy = remaining > bytes ? bytes : remaining;
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memcpy(net_buf_add(frag, copy), &user_data[pos], copy);
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pos += bytes;
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remaining -= bytes;
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if (net_buf_tailroom(frag) - (bytes - copy)) {
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net_nbuf_unref(buf);
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return NULL;
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}
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net_buf_frag_add(buf, frag);
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if (remaining > 0) {
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frag = net_nbuf_get_reserve_data(0);
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}
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}
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return buf;
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}
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static struct net_6lo_data test_data_1 = {
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.ipv6.vtc = 0x60,
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.ipv6.tcflow = 0x00,
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.ipv6.flow = 0x00,
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.ipv6.len = { 0x00, 0x00 },
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.ipv6.nexthdr = IPPROTO_UDP,
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.ipv6.hop_limit = 0xff,
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.ipv6.src = src_sam00,
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.ipv6.dst = dst_dam00,
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.udp.src_port = udp_src_port_4bit,
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.udp.dst_port = udp_dst_port_4bit,
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.udp.len = 0x00,
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.udp.chksum = 0x00,
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.small = true
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};
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static struct net_6lo_data test_data_2 = {
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.ipv6.vtc = 0x60,
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.ipv6.tcflow = 0x20,
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.ipv6.flow = 0x3412,
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.ipv6.len = { 0x00, 0x00 },
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.ipv6.nexthdr = IPPROTO_UDP,
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.ipv6.hop_limit = 0xff,
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.ipv6.src = src_sam01,
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.ipv6.dst = dst_dam01,
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.udp.src_port = udp_src_port_8bit_y,
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.udp.dst_port = udp_dst_port_8bit,
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.udp.len = 0x00,
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.udp.chksum = 0x00,
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.small = false
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};
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static struct net_6lo_data test_data_3 = {
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.ipv6.vtc = 0x60,
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.ipv6.tcflow = 0x21,
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.ipv6.flow = 0x3412,
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.ipv6.len = { 0x00, 0x00 },
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.ipv6.nexthdr = IPPROTO_UDP,
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.ipv6.hop_limit = 0xff,
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.ipv6.src = src_sam10,
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.ipv6.dst = dst_dam10,
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.udp.src_port = udp_src_port_8bit,
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.udp.dst_port = udp_dst_port_8bit_y,
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.udp.len = 0x00,
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.udp.chksum = 0x00,
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.small = true
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};
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static struct net_6lo_data test_data_4 = {
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.ipv6.vtc = 0x61,
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.ipv6.tcflow = 0x20,
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.ipv6.flow = 0x00,
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.ipv6.len = { 0x00, 0x00 },
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.ipv6.nexthdr = IPPROTO_UDP,
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.ipv6.hop_limit = 0xff,
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.ipv6.src = src_sac1_sam00,
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.ipv6.dst = dst_m1_dam00,
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.udp.src_port = udp_src_port_16bit,
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.udp.dst_port = udp_dst_port_16bit,
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.udp.len = 0x00,
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.udp.chksum = 0x00,
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.small = false
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};
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static struct net_6lo_data test_data_5 = {
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.ipv6.vtc = 0x61,
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.ipv6.tcflow = 0x23,
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.ipv6.flow = 0x4567,
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.ipv6.len = { 0x00, 0x00 },
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.ipv6.nexthdr = IPPROTO_UDP,
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.ipv6.hop_limit = 0xff,
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.ipv6.src = src_sam01,
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.ipv6.dst = dst_m1_dam01,
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.udp.src_port = udp_src_port_16bit,
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.udp.dst_port = udp_dst_port_16bit,
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.udp.len = 0x00,
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.udp.chksum = 0x00,
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.small = true
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};
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static struct net_6lo_data test_data_6 = {
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.ipv6.vtc = 0x60,
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.ipv6.tcflow = 0x0,
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.ipv6.flow = 0x0,
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.ipv6.len = { 0x00, 0x00 },
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.ipv6.nexthdr = IPPROTO_UDP,
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.ipv6.hop_limit = 0xff,
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.ipv6.src = src_sam10,
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.ipv6.dst = dst_m1_dam10,
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.udp.src_port = udp_src_port_8bit,
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.udp.dst_port = udp_dst_port_8bit,
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.udp.len = 0x00,
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.udp.chksum = 0x00,
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.small = true
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};
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static int test_6lo(struct net_6lo_data *data)
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{
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struct net_buf *buf;
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int result = TC_FAIL;
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buf = create_buf(data);
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if (!buf) {
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TC_PRINT("%s: failed to create buffer\n", __func__);
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goto end;
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}
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#if DEBUG > 0
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printk("length before compression %d\n", net_buf_frags_len(buf->frags));
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net_hexdump_frags("before-compression", buf);
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#endif
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buf = net_6lo_compress(buf);
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if (!buf) {
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TC_PRINT("compression failed\n");
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goto end;
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}
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#if DEBUG > 0
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printk("length after compression %d\n", net_buf_frags_len(buf->frags));
|
||||
net_hexdump_frags("after-compression", buf);
|
||||
#endif
|
||||
|
||||
buf = net_6lo_uncompress(buf);
|
||||
if (!buf) {
|
||||
TC_PRINT("uncompression failed\n");
|
||||
goto end;
|
||||
}
|
||||
|
||||
#if DEBUG > 0
|
||||
printk("length after uncompression %d\n",
|
||||
net_buf_frags_len(buf->frags));
|
||||
net_hexdump_frags("after-uncompression", buf);
|
||||
#endif
|
||||
|
||||
if (compare_data(buf, data)) {
|
||||
result = TC_PASS;
|
||||
}
|
||||
|
||||
end:
|
||||
net_nbuf_unref(buf);
|
||||
return result;
|
||||
}
|
||||
|
||||
/* tests names are based on traffic class, flow label, source address mode
|
||||
* (sam), destination address mode (dam), based on udp source and destination
|
||||
* ports compressible type.
|
||||
*/
|
||||
static const struct {
|
||||
const char *name;
|
||||
struct net_6lo_data *data;
|
||||
} tests[] = {
|
||||
{ "test_6lo_sam00_dam00", &test_data_1},
|
||||
{ "test_6lo_sam01_dam01", &test_data_2},
|
||||
{ "test_6lo_sam10_dam10", &test_data_3},
|
||||
{ "test_6lo_sac1_sam00_m1_dam00", &test_data_4},
|
||||
{ "test_6lo_sam01_m1_dam01", &test_data_5},
|
||||
{ "test_6lo_sam10_m1_dam10", &test_data_6},
|
||||
};
|
||||
|
||||
static void main_fiber(void)
|
||||
{
|
||||
int count, pass;
|
||||
|
||||
for (count = 0, pass = 0; count < ARRAY_SIZE(tests); count++) {
|
||||
TC_START(tests[count].name);
|
||||
|
||||
if (test_6lo(tests[1].data)) {
|
||||
TC_END(FAIL, "failed\n");
|
||||
} else {
|
||||
TC_END(PASS, "passed\n");
|
||||
pass++;
|
||||
}
|
||||
}
|
||||
|
||||
TC_END_REPORT(((pass != ARRAY_SIZE(tests)) ? TC_FAIL : TC_PASS));
|
||||
}
|
||||
|
||||
#if defined(CONFIG_NANOKERNEL)
|
||||
#define STACKSIZE 2000
|
||||
char __noinit __stack fiberStack[STACKSIZE];
|
||||
#endif
|
||||
|
||||
void main(void)
|
||||
{
|
||||
#if defined(CONFIG_MICROKERNEL)
|
||||
main_fiber();
|
||||
#else
|
||||
task_fiber_start(&fiberStack[0], STACKSIZE,
|
||||
(nano_fiber_entry_t)main_fiber, 0, 0, 7, 0);
|
||||
#endif
|
||||
}
|
11
tests/net/6lo/testcase.ini
Normal file
11
tests/net/6lo/testcase.ini
Normal file
|
@ -0,0 +1,11 @@
|
|||
[test_micro]
|
||||
tags = net-6lo
|
||||
arch_whitelist = x86
|
||||
kernel = micro
|
||||
build_only = true
|
||||
|
||||
[test_nano]
|
||||
tags = net-6lo
|
||||
arch_whitelist = x86
|
||||
kernel = nano
|
||||
build_only = true
|
Loading…
Add table
Add a link
Reference in a new issue