--- /scp:root@sanders:/var/local/virtualmachine/kernels/linux-2.6.17.1/net/ipv4/proc.c
+++ /var/local/src/linux-2.6.17.1/net/ipv4/proc.c
@@ -44,6 +44,77 @@
 #include <net/sock.h>
 #include <net/raw.h>
 
+
+//// New IP Address proc interface
+#include <asm/uaccess.h>
+#include <linux/if.h>
+
+static int ipaddress_dev_ioctl(struct ifreq *ir, unsigned int cmd)
+{
+	int res;
+        mm_segment_t oldfs;
+
+	oldfs = get_fs();
+	set_fs(get_ds());
+	res = devinet_ioctl(cmd, (struct ifreq __user *) ir);
+	set_fs(oldfs);
+	return res;
+}
+
+static int ipaddress_seq_show(struct seq_file *seq, void *v)
+{
+        struct ifreq ir;
+        struct sockaddr_in * if_addr;
+        uint32_t local;
+
+        memset(&ir, 0, sizeof(ir));
+        strcpy(ir.ifr_ifrn.ifrn_name, "eth0");
+
+        ipaddress_dev_ioctl(&ir, SIOCGIFADDR);
+
+        if_addr = (struct sockaddr_in *) ir.ifr_addr.sa_data;
+        local = if_addr->sin_addr.s_addr;
+
+        seq_printf(seq, "eth0: %u\n", local);        
+
+        /*
+        ipaddress_dev_ioctl(&ir, SIOCGIFNETMASK);
+        if_addr = (struct sockaddr_in *) ir.ifr_addr.sa_data;
+        mask = if_addr->sin_addr.s_addr;
+
+        ipaddress_dev_ioctl(&ir, SIOCGIFBRDADDR);
+        if_addr = (struct sockaddr_in *) ir.ifr_addr.sa_data;
+        broadcast = if_addr->sin_addr.s_addr;
+
+        ipaddress_dev_ioctl(&ir, SIOCGIFDSTADDR);
+        if_addr = (struct sockaddr_in *) ir.ifr_addr.sa_data;
+        destination = if_addr->sin_addr.s_addr;
+
+        seq_printf(seq, "ethx: %u %u %u %u\n",
+                   local,
+                   mask,
+                   broadcast,
+                   destination);
+        */
+        return 0;
+}
+
+static int ipaddress_seq_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, ipaddress_seq_show, NULL);
+}
+
+static struct file_operations ipaddress_seq_fops = {
+	.owner	 = THIS_MODULE,
+	.open	 = ipaddress_seq_open,
+	.read	 = seq_read,
+	.llseek	 = seq_lseek,
+	.release = single_release,
+};
+
+//// End new IP Address proc interface
+
+
 static int fold_prot_inuse(struct proto *proto)
 {
 	int res = 0;
@@ -65,7 +136,7 @@
 		   fold_prot_inuse(&tcp_prot), atomic_read(&tcp_orphan_count),
 		   tcp_death_row.tw_count, atomic_read(&tcp_sockets_allocated),
 		   atomic_read(&tcp_memory_allocated));
-	seq_printf(seq, "UDP: inuse %d\n", fold_prot_inuse(&udp_prot));
+ 	seq_printf(seq, "UDP: inuse %d\n", fold_prot_inuse(&udp_prot));
 	seq_printf(seq, "RAW: inuse %d\n", fold_prot_inuse(&raw_prot));
 	seq_printf(seq,  "FRAG: inuse %d memory %d\n", ip_frag_nqueues,
 		   atomic_read(&ip_frag_mem));
@@ -365,8 +436,14 @@
 
 	if (!proc_net_fops_create("sockstat", S_IRUGO, &sockstat_seq_fops))
 		goto out_sockstat;
+
+        if (!proc_net_fops_create("ipaddress", S_IRUGO, &ipaddress_seq_fops))
+                goto out_ipaddress;
+
 out:
 	return rc;
+out_ipadress:
+        proc_net_remove("sockstat");
 out_sockstat:
 	proc_net_remove("snmp");
 out_snmp:

Diff finished.  Sat Oct 14 12:29:27 2006