+// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2015 National Instruments
*
* (C) Copyright 2015
* Joe Hershberger <joe.hershberger@ni.com>
- *
- * SPDX-License-Identifier: GPL-2.0
*/
#include <common.h>
#include <dm.h>
-#include <dm/test.h>
-#include <dm/ut.h>
+#include <env.h>
#include <fdtdec.h>
+#include <log.h>
#include <malloc.h>
#include <net.h>
+#include <dm/test.h>
+#include <dm/device-internal.h>
+#include <dm/uclass-internal.h>
#include <asm/eth.h>
+#include <test/ut.h>
-DECLARE_GLOBAL_DATA_PTR;
+#define DM_TEST_ETH_NUM 4
-static int dm_test_eth(struct dm_test_state *dms)
+static int dm_test_eth(struct unit_test_state *uts)
{
net_ping_ip = string_to_ip("1.1.2.2");
- setenv("ethact", "eth@10002000");
+ env_set("ethact", "eth@10002000");
ut_assertok(net_loop(PING));
- ut_asserteq_str("eth@10002000", getenv("ethact"));
+ ut_asserteq_str("eth@10002000", env_get("ethact"));
- setenv("ethact", "eth@10003000");
+ env_set("ethact", "eth@10003000");
ut_assertok(net_loop(PING));
- ut_asserteq_str("eth@10003000", getenv("ethact"));
+ ut_asserteq_str("eth@10003000", env_get("ethact"));
- setenv("ethact", "eth@10004000");
+ env_set("ethact", "eth@10004000");
ut_assertok(net_loop(PING));
- ut_asserteq_str("eth@10004000", getenv("ethact"));
+ ut_asserteq_str("eth@10004000", env_get("ethact"));
return 0;
}
DM_TEST(dm_test_eth, DM_TESTF_SCAN_FDT);
-static int dm_test_eth_alias(struct dm_test_state *dms)
+static int dm_test_eth_alias(struct unit_test_state *uts)
{
net_ping_ip = string_to_ip("1.1.2.2");
- setenv("ethact", "eth0");
+ env_set("ethact", "eth0");
ut_assertok(net_loop(PING));
- ut_asserteq_str("eth@10002000", getenv("ethact"));
+ ut_asserteq_str("eth@10002000", env_get("ethact"));
- setenv("ethact", "eth1");
+ env_set("ethact", "eth6");
ut_assertok(net_loop(PING));
- ut_asserteq_str("eth@10004000", getenv("ethact"));
+ ut_asserteq_str("eth@10004000", env_get("ethact"));
/* Expected to fail since eth2 is not defined in the device tree */
- setenv("ethact", "eth2");
+ env_set("ethact", "eth2");
ut_assertok(net_loop(PING));
- ut_asserteq_str("eth@10002000", getenv("ethact"));
+ ut_asserteq_str("eth@10002000", env_get("ethact"));
- setenv("ethact", "eth5");
+ env_set("ethact", "eth5");
ut_assertok(net_loop(PING));
- ut_asserteq_str("eth@10003000", getenv("ethact"));
+ ut_asserteq_str("eth@10003000", env_get("ethact"));
return 0;
}
DM_TEST(dm_test_eth_alias, DM_TESTF_SCAN_FDT);
-static int dm_test_eth_prime(struct dm_test_state *dms)
+static int dm_test_eth_prime(struct unit_test_state *uts)
{
net_ping_ip = string_to_ip("1.1.2.2");
/* Expected to be "eth@10003000" because of ethprime variable */
- setenv("ethact", NULL);
- setenv("ethprime", "eth5");
+ env_set("ethact", NULL);
+ env_set("ethprime", "eth5");
ut_assertok(net_loop(PING));
- ut_asserteq_str("eth@10003000", getenv("ethact"));
+ ut_asserteq_str("eth@10003000", env_get("ethact"));
/* Expected to be "eth@10002000" because it is first */
- setenv("ethact", NULL);
- setenv("ethprime", NULL);
+ env_set("ethact", NULL);
+ env_set("ethprime", NULL);
ut_assertok(net_loop(PING));
- ut_asserteq_str("eth@10002000", getenv("ethact"));
+ ut_asserteq_str("eth@10002000", env_get("ethact"));
return 0;
}
DM_TEST(dm_test_eth_prime, DM_TESTF_SCAN_FDT);
-static int dm_test_eth_rotate(struct dm_test_state *dms)
+/**
+ * This test case is trying to test the following scenario:
+ * - All ethernet devices are not probed
+ * - "ethaddr" for all ethernet devices are not set
+ * - "ethact" is set to a valid ethernet device name
+ *
+ * With Sandbox default test configuration, all ethernet devices are
+ * probed after power-up, so we have to manually create such scenario:
+ * - Remove all ethernet devices
+ * - Remove all "ethaddr" environment variables
+ * - Set "ethact" to the first ethernet device
+ *
+ * Do a ping test to see if anything goes wrong.
+ */
+static int dm_test_eth_act(struct unit_test_state *uts)
{
- char ethaddr[18];
+ struct udevice *dev[DM_TEST_ETH_NUM];
+ const char *ethname[DM_TEST_ETH_NUM] = {"eth@10002000", "eth@10003000",
+ "sbe5", "eth@10004000"};
+ const char *addrname[DM_TEST_ETH_NUM] = {"ethaddr", "eth5addr",
+ "eth3addr", "eth6addr"};
+ char ethaddr[DM_TEST_ETH_NUM][18];
+ int i;
- /* Invalidate eth1's MAC address */
+ memset(ethaddr, '\0', sizeof(ethaddr));
net_ping_ip = string_to_ip("1.1.2.2");
- strcpy(ethaddr, getenv("eth1addr"));
- setenv("eth1addr", NULL);
+ /* Prepare the test scenario */
+ for (i = 0; i < DM_TEST_ETH_NUM; i++) {
+ ut_assertok(uclass_find_device_by_name(UCLASS_ETH,
+ ethname[i], &dev[i]));
+ ut_assertok(device_remove(dev[i], DM_REMOVE_NORMAL));
+
+ /* Invalidate MAC address */
+ strncpy(ethaddr[i], env_get(addrname[i]), 17);
+ /* Must disable access protection for ethaddr before clearing */
+ env_set(".flags", addrname[i]);
+ env_set(addrname[i], NULL);
+ }
+
+ /* Set ethact to "eth@10002000" */
+ env_set("ethact", ethname[0]);
+
+ /* Segment fault might happen if something is wrong */
+ ut_asserteq(-ENODEV, net_loop(PING));
+
+ for (i = 0; i < DM_TEST_ETH_NUM; i++) {
+ /* Restore the env */
+ env_set(".flags", addrname[i]);
+ env_set(addrname[i], ethaddr[i]);
+
+ /* Probe the device again */
+ ut_assertok(device_probe(dev[i]));
+ }
+ env_set(".flags", NULL);
+ env_set("ethact", NULL);
+
+ return 0;
+}
+DM_TEST(dm_test_eth_act, DM_TESTF_SCAN_FDT);
+
+/* The asserts include a return on fail; cleanup in the caller */
+static int _dm_test_eth_rotate1(struct unit_test_state *uts)
+{
/* Make sure that the default is to rotate to the next interface */
- setenv("ethact", "eth@10004000");
+ env_set("ethact", "eth@10004000");
ut_assertok(net_loop(PING));
- ut_asserteq_str("eth@10002000", getenv("ethact"));
+ ut_asserteq_str("eth@10002000", env_get("ethact"));
/* If ethrotate is no, then we should fail on a bad MAC */
- setenv("ethact", "eth@10004000");
- setenv("ethrotate", "no");
+ env_set("ethact", "eth@10004000");
+ env_set("ethrotate", "no");
ut_asserteq(-EINVAL, net_loop(PING));
- ut_asserteq_str("eth@10004000", getenv("ethact"));
+ ut_asserteq_str("eth@10004000", env_get("ethact"));
- /* Restore the env */
- setenv("eth1addr", ethaddr);
- setenv("ethrotate", NULL);
-
- /* Invalidate eth0's MAC address */
- strcpy(ethaddr, getenv("ethaddr"));
- setenv(".flags", "ethaddr");
- setenv("ethaddr", NULL);
+ return 0;
+}
+static int _dm_test_eth_rotate2(struct unit_test_state *uts)
+{
/* Make sure we can skip invalid devices */
- setenv("ethact", "eth@10004000");
+ env_set("ethact", "eth@10004000");
ut_assertok(net_loop(PING));
- ut_asserteq_str("eth@10004000", getenv("ethact"));
+ ut_asserteq_str("eth@10004000", env_get("ethact"));
- /* Restore the env */
- setenv("ethaddr", ethaddr);
- setenv(".flags", NULL);
+ /* Make sure we can handle device name which is not eth# */
+ env_set("ethact", "sbe5");
+ ut_assertok(net_loop(PING));
+ ut_asserteq_str("sbe5", env_get("ethact"));
return 0;
}
-DM_TEST(dm_test_eth_rotate, DM_TESTF_SCAN_FDT);
-static int dm_test_net_retry(struct dm_test_state *dms)
+static int dm_test_eth_rotate(struct unit_test_state *uts)
{
+ char ethaddr[18];
+ int retval;
+
+ /* Set target IP to mock ping */
net_ping_ip = string_to_ip("1.1.2.2");
+ /* Invalidate eth1's MAC address */
+ memset(ethaddr, '\0', sizeof(ethaddr));
+ strncpy(ethaddr, env_get("eth6addr"), 17);
+ /* Must disable access protection for eth6addr before clearing */
+ env_set(".flags", "eth6addr");
+ env_set("eth6addr", NULL);
+
+ retval = _dm_test_eth_rotate1(uts);
+
+ /* Restore the env */
+ env_set("eth6addr", ethaddr);
+ env_set("ethrotate", NULL);
+
+ if (!retval) {
+ /* Invalidate eth0's MAC address */
+ strncpy(ethaddr, env_get("ethaddr"), 17);
+ /* Must disable access protection for ethaddr before clearing */
+ env_set(".flags", "ethaddr");
+ env_set("ethaddr", NULL);
+
+ retval = _dm_test_eth_rotate2(uts);
+
+ /* Restore the env */
+ env_set("ethaddr", ethaddr);
+ }
+ /* Restore the env */
+ env_set(".flags", NULL);
+
+ return retval;
+}
+DM_TEST(dm_test_eth_rotate, DM_TESTF_SCAN_FDT);
+
+/* The asserts include a return on fail; cleanup in the caller */
+static int _dm_test_net_retry(struct unit_test_state *uts)
+{
/*
* eth1 is disabled and netretry is yes, so the ping should succeed and
* the active device should be eth0
*/
sandbox_eth_disable_response(1, true);
- setenv("ethact", "eth@10004000");
- setenv("netretry", "yes");
+ env_set("ethact", "eth@10004000");
+ env_set("netretry", "yes");
+ sandbox_eth_skip_timeout();
ut_assertok(net_loop(PING));
- ut_asserteq_str("eth@10002000", getenv("ethact"));
+ ut_asserteq_str("eth@10002000", env_get("ethact"));
/*
* eth1 is disabled and netretry is no, so the ping should fail and the
* active device should be eth1
*/
- setenv("ethact", "eth@10004000");
- setenv("netretry", "no");
- ut_asserteq(-ETIMEDOUT, net_loop(PING));
- ut_asserteq_str("eth@10004000", getenv("ethact"));
+ env_set("ethact", "eth@10004000");
+ env_set("netretry", "no");
+ sandbox_eth_skip_timeout();
+ ut_asserteq(-ENONET, net_loop(PING));
+ ut_asserteq_str("eth@10004000", env_get("ethact"));
+
+ return 0;
+}
+
+static int dm_test_net_retry(struct unit_test_state *uts)
+{
+ int retval;
+
+ net_ping_ip = string_to_ip("1.1.2.2");
+
+ retval = _dm_test_net_retry(uts);
/* Restore the env */
- setenv("netretry", NULL);
+ env_set("netretry", NULL);
sandbox_eth_disable_response(1, false);
- return 0;
+ return retval;
}
DM_TEST(dm_test_net_retry, DM_TESTF_SCAN_FDT);
+
+static int sb_check_arp_reply(struct udevice *dev, void *packet,
+ unsigned int len)
+{
+ struct eth_sandbox_priv *priv = dev_get_priv(dev);
+ struct ethernet_hdr *eth = packet;
+ struct arp_hdr *arp;
+ /* Used by all of the ut_assert macros */
+ struct unit_test_state *uts = priv->priv;
+
+ if (ntohs(eth->et_protlen) != PROT_ARP)
+ return 0;
+
+ arp = packet + ETHER_HDR_SIZE;
+
+ if (ntohs(arp->ar_op) != ARPOP_REPLY)
+ return 0;
+
+ /* This test would be worthless if we are not waiting */
+ ut_assert(arp_is_waiting());
+
+ /* Validate response */
+ ut_asserteq_mem(eth->et_src, net_ethaddr, ARP_HLEN);
+ ut_asserteq_mem(eth->et_dest, priv->fake_host_hwaddr, ARP_HLEN);
+ ut_assert(eth->et_protlen == htons(PROT_ARP));
+
+ ut_assert(arp->ar_hrd == htons(ARP_ETHER));
+ ut_assert(arp->ar_pro == htons(PROT_IP));
+ ut_assert(arp->ar_hln == ARP_HLEN);
+ ut_assert(arp->ar_pln == ARP_PLEN);
+ ut_asserteq_mem(&arp->ar_sha, net_ethaddr, ARP_HLEN);
+ ut_assert(net_read_ip(&arp->ar_spa).s_addr == net_ip.s_addr);
+ ut_asserteq_mem(&arp->ar_tha, priv->fake_host_hwaddr, ARP_HLEN);
+ ut_assert(net_read_ip(&arp->ar_tpa).s_addr ==
+ string_to_ip("1.1.2.4").s_addr);
+
+ return 0;
+}
+
+static int sb_with_async_arp_handler(struct udevice *dev, void *packet,
+ unsigned int len)
+{
+ struct eth_sandbox_priv *priv = dev_get_priv(dev);
+ struct ethernet_hdr *eth = packet;
+ struct arp_hdr *arp = packet + ETHER_HDR_SIZE;
+ int ret;
+
+ /*
+ * If we are about to generate a reply to ARP, first inject a request
+ * from another host
+ */
+ if (ntohs(eth->et_protlen) == PROT_ARP &&
+ ntohs(arp->ar_op) == ARPOP_REQUEST) {
+ /* Make sure sandbox_eth_recv_arp_req() knows who is asking */
+ priv->fake_host_ipaddr = string_to_ip("1.1.2.4");
+
+ ret = sandbox_eth_recv_arp_req(dev);
+ if (ret)
+ return ret;
+ }
+
+ sandbox_eth_arp_req_to_reply(dev, packet, len);
+ sandbox_eth_ping_req_to_reply(dev, packet, len);
+
+ return sb_check_arp_reply(dev, packet, len);
+}
+
+static int dm_test_eth_async_arp_reply(struct unit_test_state *uts)
+{
+ net_ping_ip = string_to_ip("1.1.2.2");
+
+ sandbox_eth_set_tx_handler(0, sb_with_async_arp_handler);
+ /* Used by all of the ut_assert macros in the tx_handler */
+ sandbox_eth_set_priv(0, uts);
+
+ env_set("ethact", "eth@10002000");
+ ut_assertok(net_loop(PING));
+ ut_asserteq_str("eth@10002000", env_get("ethact"));
+
+ sandbox_eth_set_tx_handler(0, NULL);
+
+ return 0;
+}
+
+DM_TEST(dm_test_eth_async_arp_reply, DM_TESTF_SCAN_FDT);
+
+static int sb_check_ping_reply(struct udevice *dev, void *packet,
+ unsigned int len)
+{
+ struct eth_sandbox_priv *priv = dev_get_priv(dev);
+ struct ethernet_hdr *eth = packet;
+ struct ip_udp_hdr *ip;
+ struct icmp_hdr *icmp;
+ /* Used by all of the ut_assert macros */
+ struct unit_test_state *uts = priv->priv;
+
+ if (ntohs(eth->et_protlen) != PROT_IP)
+ return 0;
+
+ ip = packet + ETHER_HDR_SIZE;
+
+ if (ip->ip_p != IPPROTO_ICMP)
+ return 0;
+
+ icmp = (struct icmp_hdr *)&ip->udp_src;
+
+ if (icmp->type != ICMP_ECHO_REPLY)
+ return 0;
+
+ /* This test would be worthless if we are not waiting */
+ ut_assert(arp_is_waiting());
+
+ /* Validate response */
+ ut_asserteq_mem(eth->et_src, net_ethaddr, ARP_HLEN);
+ ut_asserteq_mem(eth->et_dest, priv->fake_host_hwaddr, ARP_HLEN);
+ ut_assert(eth->et_protlen == htons(PROT_IP));
+
+ ut_assert(net_read_ip(&ip->ip_src).s_addr == net_ip.s_addr);
+ ut_assert(net_read_ip(&ip->ip_dst).s_addr ==
+ string_to_ip("1.1.2.4").s_addr);
+
+ return 0;
+}
+
+static int sb_with_async_ping_handler(struct udevice *dev, void *packet,
+ unsigned int len)
+{
+ struct eth_sandbox_priv *priv = dev_get_priv(dev);
+ struct ethernet_hdr *eth = packet;
+ struct arp_hdr *arp = packet + ETHER_HDR_SIZE;
+ int ret;
+
+ /*
+ * If we are about to generate a reply to ARP, first inject a request
+ * from another host
+ */
+ if (ntohs(eth->et_protlen) == PROT_ARP &&
+ ntohs(arp->ar_op) == ARPOP_REQUEST) {
+ /* Make sure sandbox_eth_recv_arp_req() knows who is asking */
+ priv->fake_host_ipaddr = string_to_ip("1.1.2.4");
+
+ ret = sandbox_eth_recv_ping_req(dev);
+ if (ret)
+ return ret;
+ }
+
+ sandbox_eth_arp_req_to_reply(dev, packet, len);
+ sandbox_eth_ping_req_to_reply(dev, packet, len);
+
+ return sb_check_ping_reply(dev, packet, len);
+}
+
+static int dm_test_eth_async_ping_reply(struct unit_test_state *uts)
+{
+ net_ping_ip = string_to_ip("1.1.2.2");
+
+ sandbox_eth_set_tx_handler(0, sb_with_async_ping_handler);
+ /* Used by all of the ut_assert macros in the tx_handler */
+ sandbox_eth_set_priv(0, uts);
+
+ env_set("ethact", "eth@10002000");
+ ut_assertok(net_loop(PING));
+ ut_asserteq_str("eth@10002000", env_get("ethact"));
+
+ sandbox_eth_set_tx_handler(0, NULL);
+
+ return 0;
+}
+
+DM_TEST(dm_test_eth_async_ping_reply, DM_TESTF_SCAN_FDT);
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