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/*
* 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"
#include "dmidecode/dmidecode.h"
static void use_all_ethN(const struct libbiosdevname_state *state)
{
struct bios_device *dev;
unsigned int i=0;
char buffer[IFNAMSIZ];
memset(buffer, 0, sizeof(buffer));
list_for_each_entry(dev, &state->bios_devices, node) {
if (dev->netdev) {
snprintf(buffer, sizeof(buffer), "eth%u", i++);
dev->bios_name = strdup(buffer);
}
}
}
static void use_physical(const struct libbiosdevname_state *state, const char *prefix)
{
struct bios_device *dev;
char buffer[IFNAMSIZ];
char location[IFNAMSIZ];
char port[IFNAMSIZ];
char interface[IFNAMSIZ];
unsigned int portnum=0;
int known=0;
memset(buffer, 0, sizeof(buffer));
memset(location, 0, sizeof(location));
memset(port, 0, sizeof(port));
memset(interface, 0, sizeof(interface));
list_for_each_entry(dev, &state->bios_devices, node) {
known = 0;
if (is_pci(dev)) {
if (dev->pcidev->physical_slot == 0) { /* embedded devices only */
if (dev->pcidev->uses_sysfs & HAS_SYSFS_INDEX) {
portnum = dev->pcidev->sysfs_index;
snprintf(location, sizeof(location), "%s%u", prefix, portnum);
known=1;
}
else if (dev->pcidev->uses_smbios & HAS_SMBIOS_INSTANCE && is_pci_smbios_type_ethernet(dev->pcidev)) {
portnum = dev->pcidev->smbios_instance;
snprintf(location, sizeof(location), "%s%u", prefix, portnum);
known=1;
}
else if (dev->pcidev->embedded_index_valid) {
portnum = dev->pcidev->embedded_index;
snprintf(location, sizeof(location), "%s%u", prefix, portnum);
known=1;
}
}
else if (dev->pcidev->physical_slot < PHYSICAL_SLOT_UNKNOWN) {
snprintf(location, sizeof(location), "pci%u", dev->pcidev->physical_slot);
if (!dev->pcidev->is_sriov_virtual_function)
portnum = dev->pcidev->index_in_slot;
else
portnum = dev->pcidev->pf->index_in_slot;
snprintf(port, sizeof(port), "#%u", portnum);
known=1;
}
if (dev->pcidev->is_sriov_virtual_function)
snprintf(interface, sizeof(interface), "_%u", dev->pcidev->vf_index);
if (known) {
snprintf(buffer, sizeof(buffer), "%s%s%s", location, port, interface);
dev->bios_name = strdup(buffer);
}
}
}
}
int assign_bios_network_names(const struct libbiosdevname_state *state, int policy, const char *prefix)
{
int rc = 0;
switch (policy) {
case all_ethN:
use_all_ethN(state);
break;
case physical:
default:
use_physical(state, prefix);
break;
}
return rc;
}
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