zephyr/subsys/net/lib/zperf/zperf_common.c
Robert Lubos 812a1bc152 net: zperf: Define a public upload API for the library
This commit defines a public API for zperf upload functionality. The
UDP/TCP uploader modules are decoupled from shell, allowing to perform
uploads directly from the application code. The shell submodule makes
use of this new public API.

Signed-off-by: Robert Lubos <robert.lubos@nordicsemi.no>
2022-12-22 11:05:11 +01:00

89 lines
2 KiB
C

/*
* Copyright (c) 2022 Nordic Semiconductor ASA
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <zephyr/logging/log.h>
#include <zephyr/net/socket.h>
LOG_MODULE_DECLARE(net_zperf, CONFIG_NET_ZPERF_LOG_LEVEL);
int zperf_prepare_upload_sock(const struct sockaddr *peer_addr, int tos,
int proto)
{
socklen_t addrlen = peer_addr->sa_family == AF_INET6 ?
sizeof(struct sockaddr_in6) :
sizeof(struct sockaddr_in);
int type = (proto == IPPROTO_UDP) ? SOCK_DGRAM : SOCK_STREAM;
int sock = -1;
int ret;
switch (peer_addr->sa_family) {
case AF_INET:
if (!IS_ENABLED(CONFIG_NET_IPV4)) {
NET_ERR("IPv4 not available.");
return -EINVAL;
}
sock = zsock_socket(AF_INET, type, proto);
if (sock < 0) {
NET_ERR("Cannot create IPv4 network socket (%d)",
errno);
return -errno;
}
if (tos > 0) {
if (zsock_setsockopt(sock, IPPROTO_IP, IP_TOS,
&tos, sizeof(tos)) != 0) {
NET_WARN("Failed to set IP_TOS socket option. "
"Please enable CONFIG_NET_CONTEXT_DSCP_ECN.");
}
}
break;
case AF_INET6:
if (!IS_ENABLED(CONFIG_NET_IPV6)) {
NET_ERR("IPv6 not available.");
return -EINVAL;
}
sock = zsock_socket(AF_INET6, type, proto);
if (sock < 0) {
NET_ERR("Cannot create IPv6 network socket (%d)",
errno);
return -errno;
}
if (tos >= 0) {
if (zsock_setsockopt(sock, IPPROTO_IPV6, IPV6_TCLASS,
&tos, sizeof(tos)) != 0) {
NET_WARN("Failed to set IPV6_TCLASS socket option. "
"Please enable CONFIG_NET_CONTEXT_DSCP_ECN.");
}
}
break;
default:
LOG_ERR("Invalid address family (%d)", peer_addr->sa_family);
return -EINVAL;
}
ret = zsock_connect(sock, peer_addr, addrlen);
if (ret < 0) {
NET_ERR("Connect failed (%d)", errno);
ret = -errno;
zsock_close(sock);
return ret;
}
return sock;
}
uint32_t zperf_packet_duration(uint32_t packet_size, uint32_t rate_in_kbps)
{
return (uint32_t)(((uint64_t)packet_size * 8U * USEC_PER_SEC) /
(rate_in_kbps * 1024U));
}