LEON: added network device configuration helper function

1 files changed, 62 insertions, 0 deletions

diff --git a/c/src/lib/libbsp/sparc/shared/net/network_interface_add.c b/c/src/lib/libbsp/sparc/shared/net/network_interface_add.c
new file mode 100644
index 0000000000..6e3a58a75c
--- /dev/null
+++ b/c/src/lib/libbsp/sparc/shared/net/network_interface_add.c
@@ -0,0 +1,62 @@
+/*  Network interface register help function
+ * 
+ *  COPYRIGHT (c) 2008.
+ *  Cobham Gaisler AB.
+ *
+ *  This function adds a network interface to the 
+ *  rtems_bsdnet_config.ifconfig linked list of interfaces.
+ *  The interface configuration is taken from the user defined
+ *  array interface_configs. This function is useful for PnP
+ *  systems when an unknown number of interfaces are available.
+ *
+ *  The license and distribution terms for this file may be
+ *  found in found in the file LICENSE in this distribution or at
+ *  http://www.rtems.com/license/LICENSE.
+ */
+
+#include <rtems/rtems_bsdnet.h>
+#include <stdio.h>
+
+#include <network_interface_add.h>
+
+extern struct rtems_bsdnet_config rtems_bsdnet_config;
+
+/* Number of interfaces taken */
+int network_interface_cnt = 0;
+
+int network_interface_add(struct rtems_bsdnet_ifconfig *interface)
+{
+	struct ethernet_config *cfg = NULL;
+	int i, last_entry = 1;
+
+	/* Init interface description */
+	interface->next = NULL;
+
+	cfg = &interface_configs[network_interface_cnt];
+	for(i=0; i<6; i++) {
+		if ( cfg->eth_adr[i] != 0 ) {
+			last_entry = 0;
+			break;
+		}
+	}
+	/* Do we have a valid configuration? */
+	if ( last_entry == 0 ) {
+		cfg = &interface_configs[network_interface_cnt];
+
+		interface->ip_address = cfg->ip_addr;
+		interface->ip_netmask = cfg->ip_netmask;
+		interface->hardware_address = cfg->eth_adr;
+
+		network_interface_cnt++;
+	} else {
+		interface->ip_address = NULL;
+		interface->ip_netmask = NULL;
+		interface->hardware_address = NULL;
+	}
+
+	/* Insert interface first into list */
+	interface->next = rtems_bsdnet_config.ifconfig;
+	rtems_bsdnet_config.ifconfig = interface;
+
+	return 0;
+}