mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-25 14:10:43 +00:00
d6abc7e2e0
Simulate a TCP HTTP server's response for testing wget command. Signed-off-by: Ying-Chun Liu (PaulLiu) <paul.liu@linaro.org> Cc: Christian Gmeiner <christian.gmeiner@gmail.com> Cc: Joe Hershberger <joe.hershberger@ni.com> Cc: Michal Simek <michal.simek@xilinx.com> Cc: Ramon Fried <rfried.dev@gmail.com> Cc: Simon Glass <sjg@chromium.org> Reviewed-by: Simon Glass <sjg@chromium.org> Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
206 lines
5.7 KiB
C
206 lines
5.7 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* Copyright (c) 2022 Linaro
|
|
*
|
|
* (C) Copyright 2022
|
|
* Ying-Chun Liu (PaulLiu) <paul.liu@linaro.org>
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <command.h>
|
|
#include <dm.h>
|
|
#include <env.h>
|
|
#include <fdtdec.h>
|
|
#include <log.h>
|
|
#include <malloc.h>
|
|
#include <net.h>
|
|
#include <net/tcp.h>
|
|
#include <net/wget.h>
|
|
#include <asm/eth.h>
|
|
#include <dm/test.h>
|
|
#include <dm/device-internal.h>
|
|
#include <dm/uclass-internal.h>
|
|
#include <test/lib.h>
|
|
#include <test/test.h>
|
|
#include <test/ut.h>
|
|
|
|
#define SHIFT_TO_TCPHDRLEN_FIELD(x) ((x) << 4)
|
|
#define LEN_B_TO_DW(x) ((x) >> 2)
|
|
|
|
static int sb_arp_handler(struct udevice *dev, void *packet,
|
|
unsigned int len)
|
|
{
|
|
struct eth_sandbox_priv *priv = dev_get_priv(dev);
|
|
struct arp_hdr *arp = packet + ETHER_HDR_SIZE;
|
|
int ret = 0;
|
|
|
|
if (ntohs(arp->ar_op) == ARPOP_REQUEST) {
|
|
priv->fake_host_ipaddr = net_read_ip(&arp->ar_spa);
|
|
|
|
ret = sandbox_eth_recv_arp_req(dev);
|
|
if (ret)
|
|
return ret;
|
|
ret = sandbox_eth_arp_req_to_reply(dev, packet, len);
|
|
return ret;
|
|
}
|
|
|
|
return -EPROTONOSUPPORT;
|
|
}
|
|
|
|
static int sb_syn_handler(struct udevice *dev, void *packet,
|
|
unsigned int len)
|
|
{
|
|
struct eth_sandbox_priv *priv = dev_get_priv(dev);
|
|
struct ethernet_hdr *eth = packet;
|
|
struct ip_tcp_hdr *tcp = packet + ETHER_HDR_SIZE;
|
|
struct ethernet_hdr *eth_send;
|
|
struct ip_tcp_hdr *tcp_send;
|
|
|
|
/* Don't allow the buffer to overrun */
|
|
if (priv->recv_packets >= PKTBUFSRX)
|
|
return 0;
|
|
|
|
eth_send = (void *)priv->recv_packet_buffer[priv->recv_packets];
|
|
memcpy(eth_send->et_dest, eth->et_src, ARP_HLEN);
|
|
memcpy(eth_send->et_src, priv->fake_host_hwaddr, ARP_HLEN);
|
|
eth_send->et_protlen = htons(PROT_IP);
|
|
tcp_send = (void *)eth_send + ETHER_HDR_SIZE;
|
|
tcp_send->tcp_src = tcp->tcp_dst;
|
|
tcp_send->tcp_dst = tcp->tcp_src;
|
|
tcp_send->tcp_seq = htonl(0);
|
|
tcp_send->tcp_ack = htonl(ntohl(tcp->tcp_seq) + 1);
|
|
tcp_send->tcp_hlen = SHIFT_TO_TCPHDRLEN_FIELD(LEN_B_TO_DW(TCP_HDR_SIZE));
|
|
tcp_send->tcp_flags = TCP_SYN | TCP_ACK;
|
|
tcp_send->tcp_win = htons(PKTBUFSRX * TCP_MSS >> TCP_SCALE);
|
|
tcp_send->tcp_xsum = 0;
|
|
tcp_send->tcp_ugr = 0;
|
|
tcp_send->tcp_xsum = tcp_set_pseudo_header((uchar *)tcp_send,
|
|
tcp->ip_src,
|
|
tcp->ip_dst,
|
|
TCP_HDR_SIZE,
|
|
IP_TCP_HDR_SIZE);
|
|
net_set_ip_header((uchar *)tcp_send,
|
|
tcp->ip_src,
|
|
tcp->ip_dst,
|
|
IP_TCP_HDR_SIZE,
|
|
IPPROTO_TCP);
|
|
|
|
priv->recv_packet_length[priv->recv_packets] =
|
|
ETHER_HDR_SIZE + IP_TCP_HDR_SIZE;
|
|
++priv->recv_packets;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int sb_ack_handler(struct udevice *dev, void *packet,
|
|
unsigned int len)
|
|
{
|
|
struct eth_sandbox_priv *priv = dev_get_priv(dev);
|
|
struct ethernet_hdr *eth = packet;
|
|
struct ip_tcp_hdr *tcp = packet + ETHER_HDR_SIZE;
|
|
struct ethernet_hdr *eth_send;
|
|
struct ip_tcp_hdr *tcp_send;
|
|
void *data;
|
|
int pkt_len;
|
|
int payload_len = 0;
|
|
const char *payload1 = "HTTP/1.1 200 OK\r\n"
|
|
"Content-Length: 30\r\n\r\n\r\n"
|
|
"<html><body>Hi</body></html>\r\n";
|
|
|
|
/* Don't allow the buffer to overrun */
|
|
if (priv->recv_packets >= PKTBUFSRX)
|
|
return 0;
|
|
|
|
eth_send = (void *)priv->recv_packet_buffer[priv->recv_packets];
|
|
memcpy(eth_send->et_dest, eth->et_src, ARP_HLEN);
|
|
memcpy(eth_send->et_src, priv->fake_host_hwaddr, ARP_HLEN);
|
|
eth_send->et_protlen = htons(PROT_IP);
|
|
tcp_send = (void *)eth_send + ETHER_HDR_SIZE;
|
|
tcp_send->tcp_src = tcp->tcp_dst;
|
|
tcp_send->tcp_dst = tcp->tcp_src;
|
|
data = (void *)tcp_send + IP_TCP_HDR_SIZE;
|
|
|
|
if (ntohl(tcp->tcp_seq) == 1 && ntohl(tcp->tcp_ack) == 1) {
|
|
tcp_send->tcp_seq = htonl(ntohl(tcp->tcp_ack));
|
|
tcp_send->tcp_ack = htonl(ntohl(tcp->tcp_seq) + 1);
|
|
payload_len = strlen(payload1);
|
|
memcpy(data, payload1, payload_len);
|
|
tcp_send->tcp_flags = TCP_ACK;
|
|
} else if (ntohl(tcp->tcp_seq) == 2) {
|
|
tcp_send->tcp_seq = htonl(ntohl(tcp->tcp_ack));
|
|
tcp_send->tcp_ack = htonl(ntohl(tcp->tcp_seq) + 1);
|
|
payload_len = 0;
|
|
tcp_send->tcp_flags = TCP_ACK | TCP_FIN;
|
|
}
|
|
|
|
tcp_send->tcp_hlen = SHIFT_TO_TCPHDRLEN_FIELD(LEN_B_TO_DW(TCP_HDR_SIZE));
|
|
tcp_send->tcp_win = htons(PKTBUFSRX * TCP_MSS >> TCP_SCALE);
|
|
tcp_send->tcp_xsum = 0;
|
|
tcp_send->tcp_ugr = 0;
|
|
pkt_len = IP_TCP_HDR_SIZE + payload_len;
|
|
tcp_send->tcp_xsum = tcp_set_pseudo_header((uchar *)tcp_send,
|
|
tcp->ip_src,
|
|
tcp->ip_dst,
|
|
pkt_len - IP_HDR_SIZE,
|
|
pkt_len);
|
|
net_set_ip_header((uchar *)tcp_send,
|
|
tcp->ip_src,
|
|
tcp->ip_dst,
|
|
pkt_len,
|
|
IPPROTO_TCP);
|
|
|
|
if (ntohl(tcp->tcp_seq) == 1 || ntohl(tcp->tcp_seq) == 2) {
|
|
priv->recv_packet_length[priv->recv_packets] =
|
|
ETHER_HDR_SIZE + IP_TCP_HDR_SIZE + payload_len;
|
|
++priv->recv_packets;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int sb_http_handler(struct udevice *dev, void *packet,
|
|
unsigned int len)
|
|
{
|
|
struct ethernet_hdr *eth = packet;
|
|
struct ip_hdr *ip;
|
|
struct ip_tcp_hdr *tcp;
|
|
|
|
if (ntohs(eth->et_protlen) == PROT_ARP) {
|
|
return sb_arp_handler(dev, packet, len);
|
|
} else if (ntohs(eth->et_protlen) == PROT_IP) {
|
|
ip = packet + ETHER_HDR_SIZE;
|
|
if (ip->ip_p == IPPROTO_TCP) {
|
|
tcp = packet + ETHER_HDR_SIZE;
|
|
if (tcp->tcp_flags == TCP_SYN)
|
|
return sb_syn_handler(dev, packet, len);
|
|
else if (tcp->tcp_flags & TCP_ACK && !(tcp->tcp_flags & TCP_SYN))
|
|
return sb_ack_handler(dev, packet, len);
|
|
return 0;
|
|
}
|
|
return -EPROTONOSUPPORT;
|
|
}
|
|
|
|
return -EPROTONOSUPPORT;
|
|
}
|
|
|
|
static int net_test_wget(struct unit_test_state *uts)
|
|
{
|
|
sandbox_eth_set_tx_handler(0, sb_http_handler);
|
|
sandbox_eth_set_priv(0, uts);
|
|
|
|
env_set("ethact", "eth@10002000");
|
|
env_set("ethrotate", "no");
|
|
env_set("loadaddr", "0x20000");
|
|
ut_assertok(run_command("wget ${loadaddr} 1.1.2.2:/index.html", 0));
|
|
|
|
sandbox_eth_set_tx_handler(0, NULL);
|
|
|
|
ut_assertok(console_record_reset_enable());
|
|
run_command("md5sum ${loadaddr} ${filesize}", 0);
|
|
ut_assert_nextline("md5 for 00020000 ... 0002001f ==> 234af48e94b0085060249ecb5942ab57");
|
|
ut_assertok(ut_check_console_end(uts));
|
|
|
|
return 0;
|
|
}
|
|
|
|
LIB_TEST(net_test_wget, 0);
|