Converts the iptables build infrastructure to autotools.
- Can build both static and dynamic at the same time
- iptables-static will be a multi-binary, semi-static
(link against libc but w/o dynamic plugins)
- Always build IPv6 modules
- consider INSTALL
Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>
diff --git a/extensions/dscp_helper.c b/extensions/dscp_helper.c
new file mode 100644
index 0000000..8b60d41
--- /dev/null
+++ b/extensions/dscp_helper.c
@@ -0,0 +1,81 @@
+/*
+ * DiffServ classname <-> DiffServ codepoint mapping functions.
+ *
+ * The latest list of the mappings can be found at:
+ * <http://www.iana.org/assignments/dscp-registry>
+ *
+ * This code is released under the GNU GPL v2, 1991
+ *
+ * Author: Iain Barnes
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <xtables.h>
+
+
+static const struct ds_class
+{
+ const char *name;
+ unsigned int dscp;
+} ds_classes[] =
+{
+ { "CS0", 0x00 },
+ { "CS1", 0x08 },
+ { "CS2", 0x10 },
+ { "CS3", 0x18 },
+ { "CS4", 0x20 },
+ { "CS5", 0x28 },
+ { "CS6", 0x30 },
+ { "CS7", 0x38 },
+ { "BE", 0x00 },
+ { "AF11", 0x0a },
+ { "AF12", 0x0c },
+ { "AF13", 0x0e },
+ { "AF21", 0x12 },
+ { "AF22", 0x14 },
+ { "AF23", 0x16 },
+ { "AF31", 0x1a },
+ { "AF32", 0x1c },
+ { "AF33", 0x1e },
+ { "AF41", 0x22 },
+ { "AF42", 0x24 },
+ { "AF43", 0x26 },
+ { "EF", 0x2e }
+};
+
+
+
+static unsigned int
+class_to_dscp(const char *name)
+{
+ int i;
+
+ for (i = 0; i < sizeof(ds_classes) / sizeof(struct ds_class); i++) {
+ if (!strncasecmp(name, ds_classes[i].name,
+ strlen(ds_classes[i].name)))
+ return ds_classes[i].dscp;
+ }
+
+ exit_error(PARAMETER_PROBLEM,
+ "Invalid DSCP value `%s'\n", name);
+}
+
+
+#if 0
+static const char *
+dscp_to_name(unsigned int dscp)
+{
+ int i;
+
+ for (i = 0; i < sizeof(ds_classes) / sizeof(struct ds_class); i++) {
+ if (dscp == ds_classes[i].dscp)
+ return ds_classes[i].name;
+ }
+
+
+ exit_error(PARAMETER_PROBLEM,
+ "Invalid DSCP value `%d'\n", dscp);
+}
+#endif
+