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Forgot the patch for CLASSIFY

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SVN-Revision: 6425
This commit is contained in:
Florian Fainelli 2007-02-28 12:05:46 +00:00
parent 780712e30e
commit f5616580b3
1 changed files with 120 additions and 0 deletions
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120
target/linux/generic-2.4/patches/619-netfilter_classify.patch Normal file
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@ -0,0 +1,120 @@
diff -uprN linux-2.4.32.reference/include/linux/netfilter_ipv4/ipt_CLASSIFY.h linux-2.4.32/include/linux/netfilter_ipv4/ipt_CLASSIFY.h
--- linux-2.4.32.reference/include/linux/netfilter_ipv4/ipt_CLASSIFY.h 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.4.32/include/linux/netfilter_ipv4/ipt_CLASSIFY.h 2006-08-17 12:33:08.000000000 +0200
@@ -0,0 +1,8 @@
+#ifndef _IPT_CLASSIFY_H
+#define _IPT_CLASSIFY_H
+
+struct ipt_classify_target_info {
+ u_int32_t priority;
+};
+
+#endif /*_IPT_CLASSIFY_H */
diff -uprN linux-2.4.32.reference/net/ipv4/netfilter/Config.in linux-2.4.32/net/ipv4/netfilter/Config.in
--- linux-2.4.32.reference/net/ipv4/netfilter/Config.in 2006-08-17 12:28:16.000000000 +0200
+++ linux-2.4.32/net/ipv4/netfilter/Config.in 2006-08-17 12:33:08.000000000 +0200
@@ -172,6 +172,7 @@ if [ "$CONFIG_IP_NF_IPTABLES" != "n" ];
dep_tristate ' DSCP target support' CONFIG_IP_NF_TARGET_DSCP $CONFIG_IP_NF_MANGLE
dep_tristate ' MARK target support' CONFIG_IP_NF_TARGET_MARK $CONFIG_IP_NF_MANGLE
+ dep_tristate ' CLASSIFY target support (EXPERIMENTAL)' CONFIG_IP_NF_TARGET_CLASSIFY $CONFIG_IP_NF_MANGLE
dep_tristate ' IMQ target support' CONFIG_IP_NF_TARGET_IMQ $CONFIG_IP_NF_MANGLE
fi
if [ "$CONFIG_IP_NF_CONNTRACK_MARK" != "n" ]; then
diff -uprN linux-2.4.32.reference/net/ipv4/netfilter/ipt_CLASSIFY.c linux-2.4.32/net/ipv4/netfilter/ipt_CLASSIFY.c
--- linux-2.4.32.reference/net/ipv4/netfilter/ipt_CLASSIFY.c 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.4.32/net/ipv4/netfilter/ipt_CLASSIFY.c 2006-08-17 12:33:08.000000000 +0200
@@ -0,0 +1,82 @@
+/*
+ * This is a module which is used for setting the skb->priority field
+ * of an skb for qdisc classification.
+ */
+
+#include <linux/module.h>
+#include <linux/skbuff.h>
+#include <linux/ip.h>
+#include <net/checksum.h>
+
+#include <linux/netfilter_ipv4/ip_tables.h>
+#include <linux/netfilter_ipv4/ipt_CLASSIFY.h>
+
+MODULE_AUTHOR("Patrick McHardy <kaber@trash.net>");
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("iptables qdisc classification target module");
+
+static unsigned int
+target(struct sk_buff **pskb,
+ unsigned int hooknum,
+ const struct net_device *in,
+ const struct net_device *out,
+ const void *targinfo,
+ void *userinfo)
+{
+ const struct ipt_classify_target_info *clinfo = targinfo;
+
+ if((*pskb)->priority != clinfo->priority) {
+ (*pskb)->priority = clinfo->priority;
+ (*pskb)->nfcache |= NFC_ALTERED;
+ }
+
+ return IPT_CONTINUE;
+}
+
+static int
+checkentry(const char *tablename,
+ const struct ipt_entry *e,
+ void *targinfo,
+ unsigned int targinfosize,
+ unsigned int hook_mask)
+{
+ if (targinfosize != IPT_ALIGN(sizeof(struct ipt_classify_target_info))){
+ printk(KERN_ERR "CLASSIFY: invalid size (%u != %u).\n",
+ targinfosize,
+ IPT_ALIGN(sizeof(struct ipt_classify_target_info)));
+ return 0;
+ }
+
+ if (hook_mask & ~(1 << NF_IP_POST_ROUTING)) {
+ printk(KERN_ERR "CLASSIFY: only valid in POST_ROUTING.\n");
+ return 0;
+ }
+
+ if (strcmp(tablename, "mangle") != 0) {
+ printk(KERN_WARNING "CLASSIFY: can only be called from "
+ "\"mangle\" table, not \"%s\".\n",
+ tablename);
+ return 0;
+ }
+
+ return 1;
+}
+
+static struct ipt_target ipt_classify_reg
+= { { NULL, NULL }, "CLASSIFY", target, checkentry, NULL, THIS_MODULE };
+
+static int __init init(void)
+{
+ if (ipt_register_target(&ipt_classify_reg))
+ return -EINVAL;
+
+ return 0;
+}
+
+static void __exit fini(void)
+{
+ ipt_unregister_target(&ipt_classify_reg);
+}
+
+module_init(init);
+module_exit(fini);
diff -uprN linux-2.4.32.reference/net/ipv4/netfilter/Makefile linux-2.4.32/net/ipv4/netfilter/Makefile
--- linux-2.4.32.reference/net/ipv4/netfilter/Makefile 2006-08-17 12:28:16.000000000 +0200
+++ linux-2.4.32/net/ipv4/netfilter/Makefile 2006-08-17 12:33:08.000000000 +0200
@@ -134,6 +134,7 @@ obj-$(CONFIG_IP_NF_MATCH_LAYER7) += ipt_
# targets
obj-$(CONFIG_IP_NF_TARGET_REJECT) += ipt_REJECT.o
+obj-$(CONFIG_IP_NF_TARGET_CLASSIFY) += ipt_CLASSIFY.o
obj-$(CONFIG_IP_NF_TARGET_MIRROR) += ipt_MIRROR.o
obj-$(CONFIG_IP_NF_TARGET_TOS) += ipt_TOS.o
obj-$(CONFIG_IP_NF_TARGET_ECN) += ipt_ECN.o