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-rw-r--r--src/initrd/nmi-cmdline-reader.c52
-rw-r--r--src/initrd/tests/test-cmdline-reader.c86
2 files changed, 123 insertions, 15 deletions
diff --git a/src/initrd/nmi-cmdline-reader.c b/src/initrd/nmi-cmdline-reader.c
index 8ae6aa36..b90ee203 100644
--- a/src/initrd/nmi-cmdline-reader.c
+++ b/src/initrd/nmi-cmdline-reader.c
@@ -690,21 +690,57 @@ parse_rd_peerdns (GHashTable *connections, char *argument)
 }
 
 static void
-parse_rd_znet (GHashTable *connections, char *argument)
+parse_rd_znet (GHashTable *connections, char *argument, gboolean net_ifnames)
 {
 	const char *nettype;
 	const char *subchannels[4] = { 0, 0, 0, 0 };
 	const char *tmp;
+	gs_free char *ifname = NULL;
+	const char *prefix;
 	NMConnection *connection;
 	NMSettingWired *s_wired;
+	static int count_ctc = 0;
+	static int count_eth = 0;
+	int index;
 
 	nettype = get_word (&argument, ',');
 	subchannels[0] = get_word (&argument, ',');
 	subchannels[1] = get_word (&argument, ',');
-	if (!nm_streq0 (nettype, "ctc"))
+
+	if (nm_streq0 (nettype, "ctc")) {
+		if (net_ifnames == TRUE) {
+			prefix = "sl";
+		} else {
+			prefix = "ctc";
+			index = count_ctc++;
+		}
+	} else {
 		subchannels[2] = get_word (&argument, ',');
+		if (net_ifnames == TRUE) {
+			prefix = "en";
+		} else {
+			prefix = "eth";
+			index = count_eth++;
+		}
+	}
+
+	if (net_ifnames == TRUE) {
+		const char *bus_id;
+		size_t bus_id_len;
+		size_t bus_id_start;
 
-	connection = get_conn (connections, NULL, NM_SETTING_WIRED_SETTING_NAME);
+		/* The following logic is taken from names_ccw() in systemd/src/udev/udev-builtin-net_id.c */
+		bus_id = subchannels[0];
+		bus_id_len = strlen (bus_id);
+		bus_id_start = strspn (bus_id, ".0");
+		bus_id += bus_id_start < bus_id_len ? bus_id_start : bus_id_len - 1;
+
+		ifname = g_strdup_printf ("%sc%s", prefix, bus_id);
+	} else {
+		ifname = g_strdup_printf ("%s%d", prefix, index);
+	}
+
+	connection = get_conn (connections, ifname, NM_SETTING_WIRED_SETTING_NAME);
 	s_wired = nm_connection_get_setting_wired (connection);
 	g_object_set (s_wired,
 	              NM_SETTING_WIRED_S390_NETTYPE, nettype,
@@ -742,11 +778,19 @@ nmi_cmdline_reader_parse (const char *sysfs_dir, const char *const*argv)
 	gboolean ignore_bootif = FALSE;
 	gboolean neednet = FALSE;
 	gs_free char *bootif_val = NULL;
+	gboolean net_ifnames = TRUE;
 	int i;
 
 	connections = g_hash_table_new_full (nm_str_hash, g_str_equal, g_free, g_object_unref);
 
 	for (i = 0; argv[i]; i++) {
+		if (strcmp (argv[i], "net.ifnames=0") == 0)
+			net_ifnames = FALSE;
+		else if (g_str_has_prefix (argv[i], "net.ifnames="))
+			net_ifnames = TRUE;
+	}
+
+	for (i = 0; argv[i]; i++) {
 		gs_free char *argument_clone = NULL;
 		char *argument;
 
@@ -777,7 +821,7 @@ nmi_cmdline_reader_parse (const char *sysfs_dir, const char *const*argv)
 		else if (strcmp (tag, "rd.neednet") == 0)
 			neednet = _nm_utils_ascii_str_to_bool (argument, TRUE);
 		else if (strcmp (tag, "rd.znet") == 0)
-			parse_rd_znet (connections, argument);
+			parse_rd_znet (connections, argument, net_ifnames);
 		else if (strcasecmp (tag, "BOOTIF") == 0) {
 			nm_clear_g_free (&bootif_val);
 			bootif_val = g_strdup (argument);
diff --git a/src/initrd/tests/test-cmdline-reader.c b/src/initrd/tests/test-cmdline-reader.c
index a8a6e825..5ac82f50 100644
--- a/src/initrd/tests/test-cmdline-reader.c
+++ b/src/initrd/tests/test-cmdline-reader.c
@@ -801,9 +801,10 @@ test_rd_znet (void)
 {
 	gs_unref_hashtable GHashTable *connections = NULL;
 	const char *const*const ARGV = NM_MAKE_STRV ("ip=10.11.12.13::10.11.12.1:24:foo.example.com:enc800:none",
-	                                             "rd.znet=ctc,0.0.0800,0.0.0801,layer2=0,portno=1");
-	GHashTableIter h_iter;
+	                                             "rd.znet=qeth,0.0.0800,0.0.0801,0.0.0802,layer2=0,portno=1",
+	                                             "rd.znet=ctc,0.0.0600,0.0.0601,layer2=0,portno=0");
 	NMConnection *connection;
+	NMSettingConnection *s_con;
 	NMSettingWired *s_wired;
 	const char *const*v_subchannels;
 	const NMUtilsNamedValue s390_options[] = {
@@ -814,15 +815,17 @@ test_rd_znet (void)
 
 	connections = nmi_cmdline_reader_parse (TEST_INITRD_DIR "/sysfs", ARGV);
 	g_assert (connections);
-	g_assert_cmpint (g_hash_table_size (connections), ==, 1);
-
-	g_hash_table_iter_init (&h_iter, connections);
-	if (!g_hash_table_iter_next (&h_iter, NULL, (gpointer *) &connection))
-		g_assert_not_reached ();
-	if (g_hash_table_iter_next (&h_iter, NULL, NULL))
-		g_assert_not_reached ();
+	g_assert_cmpint (g_hash_table_size (connections), ==, 2);
 
+	connection = g_hash_table_lookup (connections, "enc800");
 	g_assert (NM_IS_CONNECTION (connection));
+
+	s_con = nm_connection_get_setting_connection (connection);
+	g_assert (NM_IS_SETTING_CONNECTION (s_con));
+	g_assert_cmpstr (nm_setting_connection_get_connection_type (s_con), ==, NM_SETTING_WIRED_SETTING_NAME);
+	g_assert_cmpstr (nm_setting_connection_get_id (s_con), ==, "enc800");
+	g_assert_cmpstr (nm_setting_connection_get_interface_name (s_con), ==, "enc800");
+
 	s_wired = nm_connection_get_setting_wired (connection);
 	g_assert (NM_IS_SETTING_WIRED (s_wired));
 
@@ -830,7 +833,8 @@ test_rd_znet (void)
 	g_assert (v_subchannels);
 	g_assert_cmpstr (v_subchannels[0], ==, "0.0.0800");
 	g_assert_cmpstr (v_subchannels[1], ==, "0.0.0801");
-	g_assert_cmpstr (v_subchannels[2], ==, NULL);
+	g_assert_cmpstr (v_subchannels[2], ==, "0.0.0802");
+	g_assert_cmpstr (v_subchannels[3], ==, NULL);
 
 	g_assert_cmpint (nm_setting_wired_get_num_s390_options (s_wired), ==, G_N_ELEMENTS (s390_options));
 	for (i_s390_options_keys = 0; i_s390_options_keys < G_N_ELEMENTS (s390_options); i_s390_options_keys++) {
@@ -853,8 +857,67 @@ test_rd_znet (void)
 	}
 
 	nmtst_assert_connection_verifies_without_normalization (connection);
+
+	connection = g_hash_table_lookup (connections, "slc600");
+	g_assert (NM_IS_CONNECTION (connection));
+
+	s_con = nm_connection_get_setting_connection (connection);
+	g_assert (NM_IS_SETTING_CONNECTION (s_con));
+	g_assert_cmpstr (nm_setting_connection_get_connection_type (s_con), ==, NM_SETTING_WIRED_SETTING_NAME);
+	g_assert_cmpstr (nm_setting_connection_get_id (s_con), ==, "slc600");
+	g_assert_cmpstr (nm_setting_connection_get_interface_name (s_con), ==, "slc600");
+
+	s_wired = nm_connection_get_setting_wired (connection);
+	g_assert (NM_IS_SETTING_WIRED (s_wired));
+
+	v_subchannels = nm_setting_wired_get_s390_subchannels (s_wired);
+	g_assert (v_subchannels);
+	g_assert_cmpstr (v_subchannels[0], ==, "0.0.0600");
+	g_assert_cmpstr (v_subchannels[1], ==, "0.0.0601");
+	g_assert_cmpstr (v_subchannels[2], ==, NULL);
+
+	nmtst_assert_connection_verifies_without_normalization (connection);
 }
 
+static void
+test_rd_znet_legacy (void)
+{
+	gs_unref_hashtable GHashTable *connections = NULL;
+	const char *const*const ARGV = NM_MAKE_STRV ("ip=10.11.12.13::10.11.12.1:24:foo.example.com:eth0:none",
+	                                             "rd.znet=qeth,0.0.0800,0.0.0801,0.0.0802,layer2=0,portno=1",
+	                                             "rd.znet=ctc,0.0.0600,0.0.0601,layer2=0,portno=0",
+	                                             "net.ifnames=0");
+	NMConnection *connection;
+	NMSettingConnection *s_con;
+
+	connections = nmi_cmdline_reader_parse (TEST_INITRD_DIR "/sysfs", ARGV);
+	g_assert (connections);
+	g_assert_cmpint (g_hash_table_size (connections), ==, 2);
+
+	connection = g_hash_table_lookup (connections, "eth0");
+	g_assert (NM_IS_CONNECTION (connection));
+
+	s_con = nm_connection_get_setting_connection (connection);
+	g_assert (NM_IS_SETTING_CONNECTION (s_con));
+	g_assert_cmpstr (nm_setting_connection_get_connection_type (s_con), ==, NM_SETTING_WIRED_SETTING_NAME);
+	g_assert_cmpstr (nm_setting_connection_get_id (s_con), ==, "eth0");
+	g_assert_cmpstr (nm_setting_connection_get_interface_name (s_con), ==, "eth0");
+
+	nmtst_assert_connection_verifies_without_normalization (connection);
+
+	connection = g_hash_table_lookup (connections, "ctc0");
+	g_assert (NM_IS_CONNECTION (connection));
+
+	s_con = nm_connection_get_setting_connection (connection);
+	g_assert (NM_IS_SETTING_CONNECTION (s_con));
+	g_assert_cmpstr (nm_setting_connection_get_connection_type (s_con), ==, NM_SETTING_WIRED_SETTING_NAME);
+	g_assert_cmpstr (nm_setting_connection_get_id (s_con), ==, "ctc0");
+	g_assert_cmpstr (nm_setting_connection_get_interface_name (s_con), ==, "ctc0");
+
+	nmtst_assert_connection_verifies_without_normalization (connection);
+}
+
+
 NMTST_DEFINE ();
 
 int main (int argc, char **argv)
@@ -877,7 +940,8 @@ int main (int argc, char **argv)
 	g_test_add_func ("/initrd/cmdline/bridge/default", test_bridge_default);
 	g_test_add_func ("/initrd/cmdline/ibft", test_ibft);
 	g_test_add_func ("/initrd/cmdline/ignore_extra", test_ignore_extra);
-	g_test_add_func ("/initrd/cmdline/rd_zdnet", test_rd_znet);
+	g_test_add_func ("/initrd/cmdline/rd_znet", test_rd_znet);
+	g_test_add_func ("/initrd/cmdline/rd_znet/legacy", test_rd_znet_legacy);
 
 	return g_test_run ();
 }
generated by cgit-pink 1.3.0-6-gf8a5 (git 2.35.1) at 2026-08-27 18:28:49 +0000