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-rw-r--r--arch/Kconfig2
-rw-r--r--arch/sandbox/dts/test.dts48
-rw-r--r--drivers/net/Kconfig9
-rw-r--r--drivers/net/Makefile1
-rw-r--r--drivers/net/dsa_sandbox.c179
-rw-r--r--include/configs/sandbox.h2
-rw-r--r--test/dm/Makefile1
-rw-r--r--test/dm/dsa.c82
-rw-r--r--test/dm/eth.c10
9 files changed, 329 insertions, 5 deletions
diff --git a/arch/Kconfig b/arch/Kconfig
index 7023223927..dd1ff9d963 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -162,6 +162,8 @@ config SANDBOX
imply CMD_CLONE
imply SILENT_CONSOLE
imply BOOTARGS_SUBST
+ imply PHY_FIXED
+ imply DM_DSA
config SH
bool "SuperH architecture"
diff --git a/arch/sandbox/dts/test.dts b/arch/sandbox/dts/test.dts
index 8c4c2bfddd..57f4dc1e57 100644
--- a/arch/sandbox/dts/test.dts
+++ b/arch/sandbox/dts/test.dts
@@ -15,7 +15,9 @@
aliases {
console = &uart0;
eth0 = "/eth@10002000";
+ eth2 = &swp_0;
eth3 = &eth_3;
+ eth4 = &dsa_eth0;
eth5 = &eth_5;
gpio1 = &gpio_a;
gpio2 = &gpio_b;
@@ -478,6 +480,52 @@
fake-host-hwaddr = [00 00 66 44 22 22];
};
+ dsa_eth0: dsa-test-eth {
+ compatible = "sandbox,eth";
+ reg = <0x10006000 0x1000>;
+ fake-host-hwaddr = [00 00 66 44 22 66];
+ };
+
+ dsa-test {
+ compatible = "sandbox,dsa";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ swp_0: port@0 {
+ reg = <0>;
+ label = "lan0";
+ phy-mode = "rgmii-rxid";
+
+ fixed-link {
+ speed = <100>;
+ full-duplex;
+ };
+ };
+
+ swp_1: port@1 {
+ reg = <1>;
+ label = "lan1";
+ phy-mode = "rgmii-txid";
+
+ fixed-link {
+ speed = <100>;
+ full-duplex;
+ };
+ };
+
+ port@2 {
+ reg = <2>;
+ ethernet = <&dsa_eth0>;
+
+ fixed-link {
+ speed = <1000>;
+ full-duplex;
+ };
+ };
+ };
+ };
+
firmware {
sandbox_firmware: sandbox-firmware {
compatible = "sandbox,firmware";
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index 54f7b81624..72822eaec4 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -78,6 +78,15 @@ config DM_ETH_PHY
help
Enable driver model for Ethernet Generic PHY .
+config DSA_SANDBOX
+ depends on DM_DSA && SANDBOX
+ default y
+ bool "Sandbox: Mocked DSA driver"
+ help
+ This driver implements a dummy DSA switch connected to a dummy sandbox
+ Ethernet device used as DSA master, to test DSA class code, including
+ exported DSA API and datapath processing of Ethernet traffic.
+
menuconfig NETDEVICES
bool "Network device support"
depends on NET
diff --git a/drivers/net/Makefile b/drivers/net/Makefile
index ce7b9e3478..2ce89f7e3c 100644
--- a/drivers/net/Makefile
+++ b/drivers/net/Makefile
@@ -23,6 +23,7 @@ obj-$(CONFIG_ETH_DESIGNWARE_SOCFPGA) += dwmac_socfpga.o
obj-$(CONFIG_ETH_DESIGNWARE_S700) += dwmac_s700.o
obj-$(CONFIG_DRIVER_DM9000) += dm9000x.o
obj-$(CONFIG_DNET) += dnet.o
+obj-$(CONFIG_DSA_SANDBOX) += dsa_sandbox.o
obj-$(CONFIG_DM_ETH_PHY) += eth-phy-uclass.o
obj-$(CONFIG_E1000) += e1000.o
obj-$(CONFIG_E1000_SPI) += e1000_spi.o
diff --git a/drivers/net/dsa_sandbox.c b/drivers/net/dsa_sandbox.c
new file mode 100644
index 0000000000..4b62670e5d
--- /dev/null
+++ b/drivers/net/dsa_sandbox.c
@@ -0,0 +1,179 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2019-2021 NXP Semiconductors
+ */
+
+#include <asm/eth.h>
+#include <net/dsa.h>
+#include <net.h>
+
+#define DSA_SANDBOX_MAGIC 0x00415344
+#define DSA_SANDBOX_TAG_LEN sizeof(struct dsa_sandbox_tag)
+
+struct dsa_sandbox_priv {
+ struct eth_sandbox_priv *master_priv;
+ int port_en_mask;
+};
+
+struct dsa_sandbox_tag {
+ u32 magic;
+ u32 port;
+};
+
+static bool sb_dsa_port_enabled(struct udevice *dev, int port)
+{
+ struct dsa_sandbox_priv *priv = dev_get_priv(dev);
+
+ return priv->port_en_mask & BIT(port);
+}
+
+static bool sb_dsa_master_enabled(struct udevice *dev)
+{
+ struct dsa_sandbox_priv *priv = dev_get_priv(dev);
+
+ return !priv->master_priv->disabled;
+}
+
+static int dsa_sandbox_port_enable(struct udevice *dev, int port,
+ struct phy_device *phy)
+{
+ struct dsa_sandbox_priv *priv = dev_get_priv(dev);
+
+ if (!sb_dsa_master_enabled(dev))
+ return -EFAULT;
+
+ priv->port_en_mask |= BIT(port);
+
+ return 0;
+}
+
+static void dsa_sandbox_port_disable(struct udevice *dev, int port,
+ struct phy_device *phy)
+{
+ struct dsa_sandbox_priv *priv = dev_get_priv(dev);
+
+ priv->port_en_mask &= ~BIT(port);
+}
+
+static int dsa_sandbox_xmit(struct udevice *dev, int port, void *packet,
+ int length)
+{
+ struct dsa_sandbox_tag *tag = packet;
+
+ if (!sb_dsa_master_enabled(dev))
+ return -EFAULT;
+
+ if (!sb_dsa_port_enabled(dev, port))
+ return -EFAULT;
+
+ tag->magic = DSA_SANDBOX_MAGIC;
+ tag->port = port;
+
+ return 0;
+}
+
+static int dsa_sandbox_rcv(struct udevice *dev, int *port, void *packet,
+ int length)
+{
+ struct dsa_sandbox_tag *tag = packet;
+
+ if (!sb_dsa_master_enabled(dev))
+ return -EFAULT;
+
+ if (tag->magic != DSA_SANDBOX_MAGIC)
+ return -EFAULT;
+
+ *port = tag->port;
+ if (!sb_dsa_port_enabled(dev, tag->port))
+ return -EFAULT;
+
+ return 0;
+}
+
+static const struct dsa_ops dsa_sandbox_ops = {
+ .port_enable = dsa_sandbox_port_enable,
+ .port_disable = dsa_sandbox_port_disable,
+ .xmit = dsa_sandbox_xmit,
+ .rcv = dsa_sandbox_rcv,
+};
+
+static int sb_dsa_handler(struct udevice *dev, void *packet,
+ unsigned int len)
+{
+ struct eth_sandbox_priv *master_priv;
+ struct dsa_sandbox_tag *tag = packet;
+ struct udevice *dsa_dev;
+ u32 port_index;
+ void *rx_buf;
+ int i;
+
+ /* this emulates the switch hw and the network side */
+ if (tag->magic != DSA_SANDBOX_MAGIC)
+ return -EFAULT;
+
+ port_index = tag->port;
+ master_priv = dev_get_priv(dev);
+ dsa_dev = master_priv->priv;
+ if (!sb_dsa_port_enabled(dsa_dev, port_index))
+ return -EFAULT;
+
+ packet += DSA_SANDBOX_TAG_LEN;
+ len -= DSA_SANDBOX_TAG_LEN;
+
+ if (!sandbox_eth_arp_req_to_reply(dev, packet, len))
+ goto dsa_tagging;
+ if (!sandbox_eth_ping_req_to_reply(dev, packet, len))
+ goto dsa_tagging;
+
+ return 0;
+
+dsa_tagging:
+ master_priv->recv_packets--;
+ i = master_priv->recv_packets;
+ rx_buf = master_priv->recv_packet_buffer[i];
+ len = master_priv->recv_packet_length[i];
+ memmove(rx_buf + DSA_SANDBOX_TAG_LEN, rx_buf, len);
+
+ tag = rx_buf;
+ tag->magic = DSA_SANDBOX_MAGIC;
+ tag->port = port_index;
+ len += DSA_SANDBOX_TAG_LEN;
+ master_priv->recv_packet_length[i] = len;
+ master_priv->recv_packets++;
+
+ return 0;
+}
+
+static int dsa_sandbox_probe(struct udevice *dev)
+{
+ struct dsa_sandbox_priv *priv = dev_get_priv(dev);
+ struct udevice *master = dsa_get_master(dev);
+ struct eth_sandbox_priv *master_priv;
+
+ if (!master)
+ return -ENODEV;
+
+ dsa_set_tagging(dev, DSA_SANDBOX_TAG_LEN, 0);
+
+ master_priv = dev_get_priv(master);
+ master_priv->priv = dev;
+ master_priv->tx_handler = sb_dsa_handler;
+
+ priv->master_priv = master_priv;
+
+ return 0;
+}
+
+static const struct udevice_id dsa_sandbox_ids[] = {
+ { .compatible = "sandbox,dsa" },
+ { }
+};
+
+U_BOOT_DRIVER(dsa_sandbox) = {
+ .name = "dsa_sandbox",
+ .id = UCLASS_DSA,
+ .of_match = dsa_sandbox_ids,
+ .probe = dsa_sandbox_probe,
+ .ops = &dsa_sandbox_ops,
+ .priv_auto = sizeof(struct dsa_sandbox_priv),
+};
diff --git a/include/configs/sandbox.h b/include/configs/sandbox.h
index bbb7d12ad1..6e79d3f56e 100644
--- a/include/configs/sandbox.h
+++ b/include/configs/sandbox.h
@@ -93,7 +93,9 @@
#endif
#define SANDBOX_ETH_SETTINGS "ethaddr=00:00:11:22:33:44\0" \
+ "eth2addr=00:00:11:22:33:48\0" \
"eth3addr=00:00:11:22:33:45\0" \
+ "eth4addr=00:00:11:22:33:48\0" \
"eth5addr=00:00:11:22:33:46\0" \
"eth6addr=00:00:11:22:33:47\0" \
"ipaddr=1.2.3.4\0"
diff --git a/test/dm/Makefile b/test/dm/Makefile
index d54abb7341..5de6fbfb5d 100644
--- a/test/dm/Makefile
+++ b/test/dm/Makefile
@@ -29,6 +29,7 @@ obj-$(CONFIG_CLK) += clk.o clk_ccf.o
obj-$(CONFIG_CROS_EC) += cros_ec.o
obj-$(CONFIG_DEVRES) += devres.o
obj-$(CONFIG_VIDEO_MIPI_DSI) += dsi_host.o
+obj-$(CONFIG_DM_DSA) += dsa.o
obj-$(CONFIG_DM_ETH) += eth.o
obj-$(CONFIG_FIRMWARE) += firmware.o
obj-$(CONFIG_DM_GPIO) += gpio.o
diff --git a/test/dm/dsa.c b/test/dm/dsa.c
new file mode 100644
index 0000000000..18c1776460
--- /dev/null
+++ b/test/dm/dsa.c
@@ -0,0 +1,82 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2020-2021 NXP Semiconductors
+ */
+
+#include <net/dsa.h>
+#include <dm/test.h>
+#include <test/ut.h>
+#include <net.h>
+#include <dm/uclass-internal.h>
+#include <dm/device-internal.h>
+
+/* This test exercises the major dsa.h API functions, after making sure
+ * that the DSA ports and the master Eth are correctly probed.
+ */
+static int dm_test_dsa_probe(struct unit_test_state *uts)
+{
+ struct udevice *dev_dsa, *dev_port, *dev_master;
+ struct dsa_pdata *dsa_pdata;
+ enum uclass_id id;
+
+ id = uclass_get_by_name("dsa");
+ ut_assert(id == UCLASS_DSA);
+
+ ut_assertok(uclass_find_device_by_name(UCLASS_DSA, "dsa-test",
+ &dev_dsa));
+ ut_assertok(uclass_find_device_by_name(UCLASS_ETH, "dsa-test-eth",
+ &dev_master));
+ ut_assertok(device_probe(dev_master));
+
+ ut_assertok(uclass_find_device_by_name(UCLASS_ETH, "dsa-test@0",
+ &dev_port));
+ ut_assertok(device_probe(dev_port));
+
+ ut_assertok(uclass_find_device_by_name(UCLASS_ETH, "dsa-test@1",
+ &dev_port));
+ ut_assertok(device_probe(dev_port));
+
+ /* exercise DSA API */
+ dsa_pdata = dev_get_uclass_plat(dev_dsa);
+ ut_assertnonnull(dsa_pdata);
+ /* includes CPU port */
+ ut_assert(dsa_pdata->num_ports == 3);
+
+ ut_assertok(uclass_find_device_by_name(UCLASS_ETH, "lan0",
+ &dev_port));
+ ut_assertok(device_probe(dev_port));
+
+ ut_assertok(uclass_find_device_by_name(UCLASS_ETH, "lan1",
+ &dev_port));
+ ut_assertok(device_probe(dev_port));
+
+ dev_master = dsa_get_master(dev_dsa);
+ ut_assertnonnull(dev_master);
+ ut_asserteq_str("dsa-test-eth", dev_master->name);
+
+ return 0;
+}
+
+DM_TEST(dm_test_dsa_probe, UT_TESTF_SCAN_FDT);
+
+/* This test sends ping requests with the local address through each DSA port
+ * via the sandbox DSA master Eth.
+ */
+static int dm_test_dsa(struct unit_test_state *uts)
+{
+ net_ping_ip = string_to_ip("1.2.3.5");
+
+ env_set("ethact", "eth2");
+ ut_assertok(net_loop(PING));
+
+ env_set("ethact", "lan0");
+ ut_assertok(net_loop(PING));
+ env_set("ethact", "lan1");
+ ut_assertok(net_loop(PING));
+
+ env_set("ethact", "");
+
+ return 0;
+}
+
+DM_TEST(dm_test_dsa, UT_TESTF_SCAN_FDT);
diff --git a/test/dm/eth.c b/test/dm/eth.c
index fa8a69da70..e4ee695610 100644
--- a/test/dm/eth.c
+++ b/test/dm/eth.c
@@ -53,8 +53,8 @@ static int dm_test_eth_alias(struct unit_test_state *uts)
ut_assertok(net_loop(PING));
ut_asserteq_str("eth@10004000", env_get("ethact"));
- /* Expected to fail since eth2 is not defined in the device tree */
- env_set("ethact", "eth2");
+ /* Expected to fail since eth1 is not defined in the device tree */
+ env_set("ethact", "eth1");
ut_assertok(net_loop(PING));
ut_asserteq_str("eth@10002000", env_get("ethact"));
@@ -227,7 +227,7 @@ static int _dm_test_net_retry(struct unit_test_state *uts)
* the active device should be eth0
*/
sandbox_eth_disable_response(1, true);
- env_set("ethact", "eth@10004000");
+ env_set("ethact", "lan1");
env_set("netretry", "yes");
sandbox_eth_skip_timeout();
ut_assertok(net_loop(PING));
@@ -237,11 +237,11 @@ static int _dm_test_net_retry(struct unit_test_state *uts)
* eth1 is disabled and netretry is no, so the ping should fail and the
* active device should be eth1
*/
- env_set("ethact", "eth@10004000");
+ env_set("ethact", "lan1");
env_set("netretry", "no");
sandbox_eth_skip_timeout();
ut_asserteq(-ENONET, net_loop(PING));
- ut_asserteq_str("eth@10004000", env_get("ethact"));
+ ut_asserteq_str("lan1", env_get("ethact"));
return 0;
}
generated by cgit v1.2.3 (git 2.39.0) at 2024-08-06 11:55:29 +0300