1 files changed, 107 insertions, 0 deletions
diff --git a/src/naming_policy.c b/src/naming_policy.c
new file mode 100644
index 0000000..ffa33c8
--- /dev/null
+++ b/src/naming_policy.c
@@ -0,0 +1,107 @@
+/*
+ *  Copyright (c) 2006, 2007 Dell, Inc.
+ *  by Matt Domsch <Matt_Domsch@dell.com>
+ *  Licensed under the GNU General Public license, version 2.
+ */
+
+#include <string.h>
+#include <stdio.h>
+#include <limits.h>
+#include "bios_device.h"
+#include "naming_policy.h"
+#include "libbiosdevname.h"
+#include "state.h"
+
+static void use_all_ethN(const struct libbiosdevname_state *state)
+{
+	struct bios_device *dev;
+	unsigned int i=0;
+
+	list_for_each_entry(dev, &state->bios_devices, node) {
+		if (dev->netdev)
+			snprintf(dev->bios_name, sizeof(dev->bios_name), "eth%u", i++);
+	}
+}
+
+static void use_kernel_names(const struct libbiosdevname_state *state)
+{
+	struct bios_device *dev;
+
+	list_for_each_entry(dev, &state->bios_devices, node) {
+		if (dev->netdev)
+			strncpy(dev->bios_name, dev->netdev->kernel_name, sizeof(dev->bios_name)-1);
+	}
+}
+
+
+static void pcmcia_names(struct bios_device *dev)
+{
+	snprintf(dev->bios_name, sizeof(dev->bios_name), "eth_pccard_%u.%u",
+		 dev->pcmciadev->socket, dev->pcmciadev->function);
+}
+
+static void use_embedded_ethN_slots_names(const struct libbiosdevname_state *state)
+{
+	struct bios_device *dev;
+	unsigned int i=0;
+
+	list_for_each_entry(dev, &state->bios_devices, node) {
+		if (is_pci(dev)) {
+			if (dev->pcidev->physical_slot == 0)
+				snprintf(dev->bios_name, sizeof(dev->bios_name), "eth%u", i++);
+			else if (dev->pcidev->physical_slot < INT_MAX)
+				snprintf(dev->bios_name, sizeof(dev->bios_name), "eth_s%d_%u",
+					 dev->pcidev->physical_slot,
+					 dev->pcidev->index_in_slot);
+			else if (dev->pcidev->physical_slot == INT_MAX)
+				snprintf(dev->bios_name, sizeof(dev->bios_name), "eth_unknown_%u", i++);
+		}
+		else if (is_pcmcia(dev))
+			pcmcia_names(dev);
+	}
+}
+
+static void use_all_names(const struct libbiosdevname_state *state)
+{
+	struct bios_device *dev;
+	unsigned int i=0;
+
+	list_for_each_entry(dev, &state->bios_devices, node) {
+		if (is_pci(dev)) {
+			if (dev->pcidev->physical_slot < INT_MAX)
+				snprintf(dev->bios_name, sizeof(dev->bios_name), "eth_s%d_%u",
+					 dev->pcidev->physical_slot,
+					 dev->pcidev->index_in_slot);
+			else
+				snprintf(dev->bios_name, sizeof(dev->bios_name), "eth_unknown_%u", i++);
+		}
+		else if (is_pcmcia(dev))
+			pcmcia_names(dev);
+	}
+}
+
+int assign_bios_network_names(const struct libbiosdevname_state *state, int sort, int policy)
+{
+	if (sort != nosort) {
+		switch (policy) {
+		case all_ethN:
+			use_all_ethN(state);
+			break;
+		case embedded_ethN_slots_names:
+			use_embedded_ethN_slots_names(state);
+			break;
+		case all_names:
+			use_all_names(state);
+			break;
+		case kernelnames:
+		default:
+			use_kernel_names(state);
+			break;
+		}
+	}
+	else
+		use_kernel_names(state);
+
+	return 0;
+}
+