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authorBob Gilligan <gilligan@vyatta.com>2010-02-05 09:54:11 -0800
committerBob Gilligan <gilligan@vyatta.com>2010-02-05 09:54:11 -0800
commite1971e4774a6ebb5ed33a09bdd60afa2c0534b6f (patch)
treef4fc5aaccb4d9dac43ae7a825df9006532c1a059 /src/naming_policy.c
downloadvyatta-biosdevname-e1971e4774a6ebb5ed33a09bdd60afa2c0534b6f.tar.gz
vyatta-biosdevname-e1971e4774a6ebb5ed33a09bdd60afa2c0534b6f.zip
Initial commit.debian/0.1
Diffstat (limited to 'src/naming_policy.c')
-rw-r--r--src/naming_policy.c107
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;
+}
+