1030.ipfilter.patch

sm86xx内核源包括补丁（ GPL ）的

diff -Naur --exclude=CVS --exclude='*.o' --exclude='*.a' --exclude='*.so' --exclude='*.elf' --exclude=System.map --exclude=Makefile.d --exclude='*log' --exclude='*log2' --exclude='*~' --exclude='.*~' --exclude='.#*' --exclude='*.bak' --exclude='*.orig' --exclude='*.rej' --exclude='core.[0-9]*' --exclude=.depend --exclude='.*.o.flags' --exclude='*.gz' --exclude=.depend --exclude='.*.o.flags' --exclude='*.gz' --exclude=vmlinux --exclude=vmlinux.bin --exclude=yamon-02.06-SIGMADESIGNS-01_el.bin linuxmips-2.4.30.ref/arch/mips/config-tango2.in linuxmips-2.4.30/arch/mips/config-tango2.in
--- linuxmips-2.4.30.ref/arch/mips/config-tango2.in	2006-07-17 16:08:23.000000000 -0700
+++ linuxmips-2.4.30/arch/mips/config-tango2.in	2006-07-19 20:15:24.000000000 -0700
@@ -68,5 +68,7 @@
 #define_bool CONFIG_SD_KEEP_SBOX_R1W1 y
 define_bool CONFIG_TANGO2_CACHE_PROC_INFO y
  
+define_bool CONFIG_SD_IPFILTER y
+
 endmenu
 
diff -Naur --exclude=CVS --exclude='*.o' --exclude='*.a' --exclude='*.so' --exclude='*.elf' --exclude=System.map --exclude=Makefile.d --exclude='*log' --exclude='*log2' --exclude='*~' --exclude='.*~' --exclude='.#*' --exclude='*.bak' --exclude='*.orig' --exclude='*.rej' --exclude='core.[0-9]*' --exclude=.depend --exclude='.*.o.flags' --exclude='*.gz' --exclude=.depend --exclude='.*.o.flags' --exclude='*.gz' --exclude=vmlinux --exclude=vmlinux.bin --exclude=yamon-02.06-SIGMADESIGNS-01_el.bin linuxmips-2.4.30.ref/net/core/dev.c linuxmips-2.4.30/net/core/dev.c
--- linuxmips-2.4.30.ref/net/core/dev.c	2006-07-17 16:08:30.000000000 -0700
+++ linuxmips-2.4.30/net/core/dev.c	2006-07-20 10:27:13.000000000 -0700
@@ -193,6 +193,9 @@
 int netdev_fastroute_obstacles;
 #endif
 
+#ifdef CONFIG_SD_IPFILTER
+void *(*sd_ipfilter)(unsigned char *, int) = NULL;
+#endif
 
 /******************************************************************************************
 
@@ -1284,6 +1287,13 @@
 	struct softnet_data *queue;
 	unsigned long flags;
 
+#ifdef CONFIG_SD_IPFILTER
+	if ((sd_ipfilter != NULL) && (((*sd_ipfilter)(skb->data, skb->len)) == NULL)) {
+		kfree_skb(skb);
+		return NET_RX_SUCCESS;
+	}
+#endif
+
 	if (skb->stamp.tv_sec == 0)
 		do_gettimeofday(&skb->stamp);
 
@@ -1292,6 +1302,7 @@
 	 */
 
 	local_irq_save(flags);
+
 	this_cpu = smp_processor_id();
 	queue = &softnet_data[this_cpu];
 
@@ -1471,6 +1482,13 @@
 	int ret = NET_RX_DROP;
 	unsigned short type;
 
+#ifdef CONFIG_SD_IPFILTER
+	if ((sd_ipfilter != NULL) && (((*sd_ipfilter)(skb->data, skb->len)) == NULL)) {
+		kfree_skb(skb);
+		return NET_RX_SUCCESS;
+	}
+#endif
+
 	if (skb->stamp.tv_sec == 0)
 		do_gettimeofday(&skb->stamp);
 
diff -Naur --exclude=CVS --exclude='*.o' --exclude='*.a' --exclude='*.so' --exclude='*.elf' --exclude=System.map --exclude=Makefile.d --exclude='*log' --exclude='*log2' --exclude='*~' --exclude='.*~' --exclude='.#*' --exclude='*.bak' --exclude='*.orig' --exclude='*.rej' --exclude='core.[0-9]*' --exclude=.depend --exclude='.*.o.flags' --exclude='*.gz' --exclude=.depend --exclude='.*.o.flags' --exclude='*.gz' --exclude=vmlinux --exclude=vmlinux.bin --exclude=yamon-02.06-SIGMADESIGNS-01_el.bin linuxmips-2.4.30.ref/net/netsyms.c linuxmips-2.4.30/net/netsyms.c
--- linuxmips-2.4.30.ref/net/netsyms.c	2005-03-18 04:13:31.000000000 -0800
+++ linuxmips-2.4.30/net/netsyms.c	2006-07-19 20:13:16.000000000 -0700
@@ -627,4 +627,9 @@
 EXPORT_SYMBOL(wireless_spy_update);
 #endif /* CONFIG_NET_RADIO || CONFIG_NET_PCMCIA_RADIO */
 
+#ifdef CONFIG_SD_IPFILTER
+extern void *(*sd_ipfilter)(unsigned char *, int);
+EXPORT_SYMBOL(sd_ipfilter);
+#endif
+
 #endif  /* CONFIG_NET */
diff -Naur --exclude=CVS --exclude='*.o' --exclude='*.a' --exclude='*.so' --exclude='*.elf' --exclude=System.map --exclude=Makefile.d --exclude='*log' --exclude='*log2' --exclude='*~' --exclude='.*~' --exclude='.#*' --exclude='*.bak' --exclude='*.orig' --exclude='*.rej' --exclude='core.[0-9]*' --exclude=.depend --exclude='.*.o.flags' --exclude='*.gz' --exclude=.depend --exclude='.*.o.flags' --exclude='*.gz' --exclude=vmlinux --exclude=vmlinux.bin --exclude=yamon-02.06-SIGMADESIGNS-01_el.bin linuxmips-2.4.30.ref/README.1030.ipfilter.patch linuxmips-2.4.30/README.1030.ipfilter.patch
--- linuxmips-2.4.30.ref/README.1030.ipfilter.patch	1969-12-31 16:00:00.000000000 -0800
+++ linuxmips-2.4.30/README.1030.ipfilter.patch	2006-07-20 10:27:45.000000000 -0700
@@ -0,0 +1,19 @@
+Feature:
+--------
+Hook for Sigma's IP filter.
+
+Prerequisite patch numbers:
+---------------------------
+none
+
+Primary author:
+---------------
+YH Lin
+
+Related to which chip version SMP863x x=?
+-----------------------------------------
+all
+
+(linux patches) which CONFIG_... are provided:
+----------------------------------------------
+CONFIG_SD_IPFILTER