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/* Copyright (c) 2015, Linaro Limited
* All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <test_debug.h>
#include <odp.h>
#include <odp/helper/eth.h>
#include <odp/helper/ip.h>
#include <odp/helper/udp.h>
#define PACKET_BUF_LEN ODP_CONFIG_PACKET_SEG_LEN_MIN
/* Reserve some tailroom for tests */
#define PACKET_TAILROOM_RESERVE 4
struct udata_struct {
uint64_t u64;
uint32_t u32;
char str[10];
} test_packet_udata = {
123456,
789912,
"abcdefg",
};
static const uint32_t packet_len = PACKET_BUF_LEN -
ODP_CONFIG_PACKET_HEADROOM -
ODP_CONFIG_PACKET_TAILROOM -
PACKET_TAILROOM_RESERVE;
/**
* Scan ip
* Parse ip address.
*
* @param buf ip address string xxx.xxx.xxx.xx
* @param paddr ip address for odp_packet
* @return 1 success, 0 failed
*/
static int scan_ip(const char *buf, unsigned int *paddr)
{
int part1, part2, part3, part4;
char tail = 0;
int field;
if (!buf)
return 0;
field = sscanf(buf, "%d . %d . %d . %d %c",
&part1, &part2, &part3, &part4, &tail);
if (field < 4 || field > 5) {
printf("expect 4 field,get %d/n", field);
return 0;
}
if (tail != 0) {
printf("ip address mixed with non number/n");
return 0;
}
if ((part1 >= 0 && part1 <= 255) && (part2 >= 0 && part2 <= 255) &&
(part3 >= 0 && part3 <= 255) && (part4 >= 0 && part4 <= 255)) {
if (paddr)
*paddr = part1 << 24 | part2 << 16 | part3 << 8 | part4;
return 1;
} else {
printf("not good ip %d:%d:%d:%d/n", part1, part2, part3, part4);
}
return 0;
}
/**
* Scan mac addr form string
*
* @param in mac string
* @param des mac for odp_packet
* @return 1 success, 0 failed
*/
static int scan_mac(const char *in, odph_ethaddr_t *des)
{
int field;
int i;
unsigned int mac[7];
field = sscanf(in, "%2x:%2x:%2x:%2x:%2x:%2x",
&mac[0], &mac[1], &mac[2], &mac[3], &mac[4], &mac[5]);
for (i = 0; i < 6; i++)
des->addr[i] = mac[i];
if (field != 6)
return 0;
return 1;
}
/* Create additional dataplane threads */
int main(int argc TEST_UNUSED, char *argv[] TEST_UNUSED)
{
int status = 0;
odp_pool_t packet_pool;
odp_packet_t test_packet;
struct udata_struct *udat;
uint32_t udat_size;
char *buf;
odph_ethhdr_t *eth;
odph_ipv4hdr_t *ip;
odph_udphdr_t *udp;
odph_ethaddr_t des;
odph_ethaddr_t src;
unsigned int srcip;
unsigned int dstip;
odp_pool_param_t params = {
.pkt = {
.seg_len = PACKET_BUF_LEN,
.len = PACKET_BUF_LEN,
.num = 100,
.uarea_size = sizeof(struct udata_struct),
},
.type = ODP_POOL_PACKET,
};
if (odp_init_global(NULL, NULL)) {
LOG_ERR("Error: ODP global init failed.\n");
exit(EXIT_FAILURE);
}
if (odp_init_local()) {
LOG_ERR("Error: ODP local init failed.\n");
exit(EXIT_FAILURE);
}
packet_pool = odp_pool_create("packet_pool", ODP_SHM_INVALID, ¶ms);
if (packet_pool == ODP_POOL_INVALID)
return -1;
test_packet = odp_packet_alloc(packet_pool, packet_len);
if (odp_packet_is_valid(test_packet) == 0)
return -1;
udat = odp_packet_user_area(test_packet);
udat_size = odp_packet_user_area_size(test_packet);
if (!udat || udat_size != sizeof(struct udata_struct))
return -1;
memcpy(udat, &test_packet_udata, sizeof(struct udata_struct));
buf = odp_packet_data(test_packet);
scan_mac("fe:0f:97:c9:e0:44", &des);
scan_mac("fe:0f:97:c9:e0:44", &src);
/* ether */
odp_packet_l2_offset_set(test_packet, 0);
eth = (odph_ethhdr_t *)buf;
memcpy((char *)eth->src.addr, &src, ODPH_ETHADDR_LEN);
memcpy((char *)eth->dst.addr, &des, ODPH_ETHADDR_LEN);
eth->type = odp_cpu_to_be_16(ODPH_ETHTYPE_IPV4);
scan_ip("192.168.0.1", &dstip);
scan_ip("192.168.0.2", &srcip);
/* ip */
odp_packet_l3_offset_set(test_packet, ODPH_ETHHDR_LEN);
ip = (odph_ipv4hdr_t *)(buf + ODPH_ETHHDR_LEN);
ip->dst_addr = odp_cpu_to_be_32(srcip);
ip->src_addr = odp_cpu_to_be_32(dstip);
ip->ver_ihl = ODPH_IPV4 << 4 | ODPH_IPV4HDR_IHL_MIN;
ip->tot_len = odp_cpu_to_be_16(udat_size + ODPH_UDPHDR_LEN +
ODPH_IPV4HDR_LEN);
ip->proto = ODPH_IPPROTO_UDP;
ip->id = odp_cpu_to_be_16(1);
ip->chksum = 0;
odph_ipv4_csum_update(test_packet);
/* udp */
odp_packet_l4_offset_set(test_packet, ODPH_ETHHDR_LEN
+ ODPH_IPV4HDR_LEN);
udp = (odph_udphdr_t *)(buf + ODPH_ETHHDR_LEN
+ ODPH_IPV4HDR_LEN);
udp->src_port = 0;
udp->dst_port = 0;
udp->length = odp_cpu_to_be_16(udat_size + ODPH_UDPHDR_LEN);
udp->chksum = 0;
udp->chksum = odph_ipv4_udp_chksum(test_packet);
if (udp->chksum == 0)
return -1;
printf("chksum = 0x%x\n", udp->chksum);
if (udp->chksum != 0xab2d)
status = -1;
odp_packet_free(test_packet);
if (odp_pool_destroy(packet_pool) != 0)
return -1;
if (odp_term_local()) {
LOG_ERR("Error: ODP local term failed.\n");
exit(EXIT_FAILURE);
}
if (odp_term_global()) {
LOG_ERR("Error: ODP global term failed.\n");
exit(EXIT_FAILURE);
}
return status;
}
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