74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

dc61b7e45d89a69f0469ab7b3289cdde7fcc55abTorstein Husebø

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering#include <stdio.h>

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering#include <stdlib.h>

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering#include <stdarg.h>

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering#include <unistd.h>

0dd25fb9f005d8ab7ac4bc10a609d00569f8c56aLennart Poettering#include <string.h>

a407657425a3e47fd2b559cd3bc800f791303f63Lennart Poettering#include <errno.h>

a407657425a3e47fd2b559cd3bc800f791303f63Lennart Poettering#include <net/if.h>

f6a5fec6b971e2a8c69d92ab20ed13693be82ddbLennart Poettering#include <linux/pci_regs.h>

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include "udev.h"

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringenum netname_type{

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering NET_UNDEF,

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering NET_PCI,

faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering NET_USB,

faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering};

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstruct netnames {

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering enum netname_type type;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering uint8_t mac[6];

3cb10d3a0b1b6a7c44f307f2abb5215104e16941Lennart Poettering bool mac_valid;

3cb10d3a0b1b6a7c44f307f2abb5215104e16941Lennart Poettering

3cb10d3a0b1b6a7c44f307f2abb5215104e16941Lennart Poettering struct udev_device *pcidev;

8b757a38611006a751c90933d1810cccaa47e1afDaniel Mack char pci_slot[IFNAMSIZ];

ad867662936a4c7ab2c7116d804c272338801231Lennart Poettering char pci_path[IFNAMSIZ];

8b757a38611006a751c90933d1810cccaa47e1afDaniel Mack char pci_onboard[IFNAMSIZ];

8b757a38611006a751c90933d1810cccaa47e1afDaniel Mack const char *pci_onboard_label;

8b757a38611006a751c90933d1810cccaa47e1afDaniel Mack

8b757a38611006a751c90933d1810cccaa47e1afDaniel Mack struct udev_device *usbdev;

8b757a38611006a751c90933d1810cccaa47e1afDaniel Mack char usb_ports[IFNAMSIZ];

8b757a38611006a751c90933d1810cccaa47e1afDaniel Mack};

8b757a38611006a751c90933d1810cccaa47e1afDaniel Mack

8b757a38611006a751c90933d1810cccaa47e1afDaniel Mackstatic int dev_pci_onboard(struct udev_device *dev, struct netnames *names) {

8b757a38611006a751c90933d1810cccaa47e1afDaniel Mack const char *index;

3cb10d3a0b1b6a7c44f307f2abb5215104e16941Lennart Poettering int idx;

3cb10d3a0b1b6a7c44f307f2abb5215104e16941Lennart Poettering

3cb10d3a0b1b6a7c44f307f2abb5215104e16941Lennart Poettering /* ACPI _DSM -- device specific method for naming a PCI or PCI Express device */

3cb10d3a0b1b6a7c44f307f2abb5215104e16941Lennart Poettering index = udev_device_get_sysattr_value(names->pcidev, "acpi_index");

3cb10d3a0b1b6a7c44f307f2abb5215104e16941Lennart Poettering /* SMBIOS type 41 -- Onboard Devices Extended Information */

3cb10d3a0b1b6a7c44f307f2abb5215104e16941Lennart Poettering if (!index)

f0258e473667f44f4656dde49597b2badb9f598aLennart Poettering index = udev_device_get_sysattr_value(names->pcidev, "index");

f0258e473667f44f4656dde49597b2badb9f598aLennart Poettering if (!index)

f0258e473667f44f4656dde49597b2badb9f598aLennart Poettering return -ENOENT;

f0258e473667f44f4656dde49597b2badb9f598aLennart Poettering idx = strtoul(index, NULL, 0);

f0258e473667f44f4656dde49597b2badb9f598aLennart Poettering if (idx <= 0)

f0258e473667f44f4656dde49597b2badb9f598aLennart Poettering return -EINVAL;

f0258e473667f44f4656dde49597b2badb9f598aLennart Poettering snprintf(names->pci_onboard, sizeof(names->pci_onboard), "o%d", idx);

f0258e473667f44f4656dde49597b2badb9f598aLennart Poettering

f0258e473667f44f4656dde49597b2badb9f598aLennart Poettering names->pci_onboard_label = udev_device_get_sysattr_value(names->pcidev, "label");

3cb10d3a0b1b6a7c44f307f2abb5215104e16941Lennart Poettering return 0;

322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering}

322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering

322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poetteringstatic bool is_pci_multifunction(struct udev_device *dev) {

322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering char filename[256];

322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering FILE *f = NULL;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering char config[64];

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering bool multi = false;

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering snprintf(filename, sizeof(filename), "%s/config", udev_device_get_syspath(dev));

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering f = fopen(filename, "re");

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (!f)

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering goto out;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (fread(&config, sizeof(config), 1, f) != 1)

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering goto out;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering /* bit 0-6 header type, bit 7 multi/single function device */

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering if ((config[PCI_HEADER_TYPE] & 0x80) != 0)

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering multi = true;

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poetteringout:

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if(f)

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering fclose(f);

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering return multi;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering}

2001c80560e3dae69e14fd994d3978c187af48b8Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic int dev_pci_slot(struct udev_device *dev, struct netnames *names) {

2001c80560e3dae69e14fd994d3978c187af48b8Lennart Poettering struct udev *udev = udev_device_get_udev(names->pcidev);

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering unsigned int bus;

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering unsigned int slot;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering unsigned int func;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering unsigned int dev_id = 0;

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering size_t l;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering char *s;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering const char *attr;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering struct udev_device *pci = NULL;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering char slots[256];

2001c80560e3dae69e14fd994d3978c187af48b8Lennart Poettering DIR *dir;

2001c80560e3dae69e14fd994d3978c187af48b8Lennart Poettering struct dirent *dent;

faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering char str[256];

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering int hotplug_slot = 0;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering int err = 0;

8ba9fd9cee0eef572f7b3ed7a8c3ed31160e93d3Lennart Poettering

8ba9fd9cee0eef572f7b3ed7a8c3ed31160e93d3Lennart Poettering if (sscanf(udev_device_get_sysname(names->pcidev), "0000:%x:%x.%d", &bus, &slot, &func) != 3)

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return -ENOENT;

faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering /* kernel provided multi-device index */

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering attr = udev_device_get_sysattr_value(dev, "dev_id");

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (attr)

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering dev_id = strtol(attr, NULL, 16);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering /* compose a name based on the raw kernel's PCI bus, slot numbers */

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering s = names->pci_path;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering l = util_strpcpyf(&s, sizeof(names->pci_path), "p%ds%d", bus, slot);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (func > 0 || is_pci_multifunction(names->pcidev))

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering l = util_strpcpyf(&s, l, "f%d", func);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (dev_id > 0)

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering l = util_strpcpyf(&s, l, "d%d", dev_id);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (l == 0)

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering names->pci_path[0] = '\0';

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering /* ACPI _SUN -- slot user number */

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering pci = udev_device_new_from_subsystem_sysname(udev, "subsystem", "pci");

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (!pci) {

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering err = -ENOENT;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering goto out;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering }

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering snprintf(slots, sizeof(slots), "%s/slots", udev_device_get_syspath(pci));

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering dir = opendir(slots);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (!dir) {

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering err = -errno;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering goto out;

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering }

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) {

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering int i;

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering char *rest;

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering char *address;

8db0d2f5c37e7e8f5bfce016cfdad7947a3ea939Zbigniew Jędrzejewski-Szmek

8db0d2f5c37e7e8f5bfce016cfdad7947a3ea939Zbigniew Jędrzejewski-Szmek if (dent->d_name[0] == '.')

8db0d2f5c37e7e8f5bfce016cfdad7947a3ea939Zbigniew Jędrzejewski-Szmek continue;

8db0d2f5c37e7e8f5bfce016cfdad7947a3ea939Zbigniew Jędrzejewski-Szmek i = strtol(dent->d_name, &rest, 10);

8db0d2f5c37e7e8f5bfce016cfdad7947a3ea939Zbigniew Jędrzejewski-Szmek if (rest[0] != '\0')

8db0d2f5c37e7e8f5bfce016cfdad7947a3ea939Zbigniew Jędrzejewski-Szmek continue;

8db0d2f5c37e7e8f5bfce016cfdad7947a3ea939Zbigniew Jędrzejewski-Szmek if (i < 1)

8db0d2f5c37e7e8f5bfce016cfdad7947a3ea939Zbigniew Jędrzejewski-Szmek continue;

ff3d6560bead6879a2fed1bf99bfe8273b3723f1Zbigniew Jędrzejewski-Szmek snprintf(str, sizeof(str), "%s/%s/address", slots, dent->d_name);

ff3d6560bead6879a2fed1bf99bfe8273b3723f1Zbigniew Jędrzejewski-Szmek if (read_one_line_file(str, &address) >= 0) {

ff3d6560bead6879a2fed1bf99bfe8273b3723f1Zbigniew Jędrzejewski-Szmek /* match slot address with device by stripping the function */

ff3d6560bead6879a2fed1bf99bfe8273b3723f1Zbigniew Jędrzejewski-Szmek if (strncmp(address, udev_device_get_sysname(names->pcidev), strlen(address)) == 0)

ff3d6560bead6879a2fed1bf99bfe8273b3723f1Zbigniew Jędrzejewski-Szmek hotplug_slot = i;

ff3d6560bead6879a2fed1bf99bfe8273b3723f1Zbigniew Jędrzejewski-Szmek free(address);

ff3d6560bead6879a2fed1bf99bfe8273b3723f1Zbigniew Jędrzejewski-Szmek }

ff3d6560bead6879a2fed1bf99bfe8273b3723f1Zbigniew Jędrzejewski-Szmek

5d45a8808431987c370706d365fb0cc95cf03d52Tom Gundersen if (hotplug_slot > 0)

5d45a8808431987c370706d365fb0cc95cf03d52Tom Gundersen break;

ff3d6560bead6879a2fed1bf99bfe8273b3723f1Zbigniew Jędrzejewski-Szmek }

ff3d6560bead6879a2fed1bf99bfe8273b3723f1Zbigniew Jędrzejewski-Szmek closedir(dir);

ff3d6560bead6879a2fed1bf99bfe8273b3723f1Zbigniew Jędrzejewski-Szmek

ff3d6560bead6879a2fed1bf99bfe8273b3723f1Zbigniew Jędrzejewski-Szmek if (hotplug_slot > 0) {

ff3d6560bead6879a2fed1bf99bfe8273b3723f1Zbigniew Jędrzejewski-Szmek s = names->pci_slot;

ff3d6560bead6879a2fed1bf99bfe8273b3723f1Zbigniew Jędrzejewski-Szmek l = util_strpcpyf(&s, sizeof(names->pci_slot), "s%d", hotplug_slot);

ff3d6560bead6879a2fed1bf99bfe8273b3723f1Zbigniew Jędrzejewski-Szmek if (func > 0 || is_pci_multifunction(names->pcidev))

ff3d6560bead6879a2fed1bf99bfe8273b3723f1Zbigniew Jędrzejewski-Szmek l = util_strpcpyf(&s, l, "f%d", func);

51323288fc628a5cac50914df915545d685b793eLennart Poettering if (dev_id > 0)

51323288fc628a5cac50914df915545d685b793eLennart Poettering l = util_strpcpyf(&s, l, "d%d", dev_id);

51323288fc628a5cac50914df915545d685b793eLennart Poettering if (l == 0)

51323288fc628a5cac50914df915545d685b793eLennart Poettering names->pci_path[0] = '\0';

51323288fc628a5cac50914df915545d685b793eLennart Poettering }

106784ebb7b303ae471851100a773ad2aebf5b80Daniel Mackout:

106784ebb7b303ae471851100a773ad2aebf5b80Daniel Mack udev_device_unref(pci);

51323288fc628a5cac50914df915545d685b793eLennart Poettering return err;

51323288fc628a5cac50914df915545d685b793eLennart Poettering}

106784ebb7b303ae471851100a773ad2aebf5b80Daniel Mack

51323288fc628a5cac50914df915545d685b793eLennart Poetteringstatic int names_pci(struct udev_device *dev, struct netnames *names) {

51323288fc628a5cac50914df915545d685b793eLennart Poettering struct udev_device *parent;

106784ebb7b303ae471851100a773ad2aebf5b80Daniel Mack

106784ebb7b303ae471851100a773ad2aebf5b80Daniel Mack parent = udev_device_get_parent(dev);

106784ebb7b303ae471851100a773ad2aebf5b80Daniel Mack if (!parent)

106784ebb7b303ae471851100a773ad2aebf5b80Daniel Mack return -ENOENT;

51323288fc628a5cac50914df915545d685b793eLennart Poettering /* check if our direct parent is a PCI device with no other bus in-between */

51323288fc628a5cac50914df915545d685b793eLennart Poettering if (streq("pci", udev_device_get_subsystem(parent))) {

names->type = NET_PCI;

names->pcidev = parent;

} else {

names->pcidev = udev_device_get_parent_with_subsystem_devtype(dev, "pci", NULL);

if (!names->pcidev)

return -ENOENT;

}

dev_pci_onboard(dev, names);

dev_pci_slot(dev, names);

return 0;

}

static int names_usb(struct udev_device *dev, struct netnames *names) {

char name[256];

char *ports;

char *config;

char *interf;

size_t l;

char *s;

names->usbdev = udev_device_get_parent_with_subsystem_devtype(dev, "usb", "usb_interface");

if (!names->usbdev)

return -ENOENT;

/* get USB port number chain, configuration, interface */

util_strscpy(name, sizeof(name), udev_device_get_sysname(names->usbdev));

s = strchr(name, '-');

if (!s)

return -EINVAL;

ports = s+1;

s = strchr(ports, ':');

if (!s)

return -EINVAL;

s[0] = '\0';

config = s+1;

s = strchr(config, '.');

if (!s)

return -EINVAL;

s[0] = '\0';

interf = s+1;

/* prefix every port number in the chain with "u"*/

s = ports;

while ((s = strchr(s, '.')))

s[0] = 'u';

s = names->usb_ports;

l = util_strpcpyl(&s, sizeof(names->usb_ports), "u", ports, NULL);

/* append USB config number, suppress the common config == 1 */

if (!streq(config, "1"))

l = util_strpcpyl(&s, sizeof(names->usb_ports), "c", config, NULL);

/* append USB interface number, suppress the interface == 0 */

if (!streq(interf, "0"))

l = util_strpcpyl(&s, sizeof(names->usb_ports), "i", interf, NULL);

if (l == 0)

return -ENAMETOOLONG;

names->type = NET_USB;

return 0;

}

static int names_mac(struct udev_device *dev, struct netnames *names) {

const char *s;

unsigned int i;

unsigned int a1, a2, a3, a4, a5, a6;

/* check for NET_ADDR_PERM, skip random MAC addresses */

s = udev_device_get_sysattr_value(dev, "addr_assign_type");

if (!s)

return EXIT_FAILURE;

i = strtoul(s, NULL, 0);

if (i != 0)

return 0;

s = udev_device_get_sysattr_value(dev, "address");

if (!s)

return -ENOENT;

if (sscanf(s, "%x:%x:%x:%x:%x:%x", &a1, &a2, &a3, &a4, &a5, &a6) != 6)

return -EINVAL;

/* skip empty MAC addresses */

if (a1 + a2 + a3 + a4 + a5 + a6 == 0)

return -EINVAL;

names->mac[0] = a1;

names->mac[1] = a2;

names->mac[2] = a3;

names->mac[3] = a4;

names->mac[4] = a5;

names->mac[5] = a6;

names->mac_valid = true;

return 0;

}

static int ieee_oui(struct udev_device *dev, struct netnames *names, bool test) {

char str[32];

if (!names->mac_valid)

return -ENOENT;

/* skip commonly misused 00:00:00 (Xerox) prefix */

if (memcmp(names->mac, "\0\0\0", 3) == 0)

return -EINVAL;

snprintf(str, sizeof(str), "OUI:%02X%02X%02X%02X%02X%02X",

names->mac[0], names->mac[1], names->mac[2],

names->mac[3], names->mac[4], names->mac[5]);

udev_builtin_hwdb_lookup(dev, str, test);

return 0;

}

static int builtin_net_id(struct udev_device *dev, int argc, char *argv[], bool test) {

const char *s;

const char *p;

unsigned int i;

const char *devtype;

const char *prefix = "en";

struct netnames names;

int err;

/* handle only ARPHRD_ETHER devices */

s = udev_device_get_sysattr_value(dev, "type");

if (!s)

return EXIT_FAILURE;

i = strtoul(s, NULL, 0);

if (i != 1)

return 0;

/* skip stacked devices, like VLANs, ... */

s = udev_device_get_sysattr_value(dev, "ifindex");

if (!s)

return EXIT_FAILURE;

p = udev_device_get_sysattr_value(dev, "iflink");

if (!p)

return EXIT_FAILURE;

if (strcmp(s, p) != 0)

return 0;

devtype = udev_device_get_devtype(dev);

if (devtype) {

if (streq("wlan", devtype))

prefix = "wl";

else if (streq("wwan", devtype))

prefix = "ww";

}

zero(names);

err = names_mac(dev, &names);

if (err >= 0 && names.mac_valid) {

char str[IFNAMSIZ];

snprintf(str, sizeof(str), "%sx%02x%02x%02x%02x%02x%02x", prefix,

names.mac[0], names.mac[1], names.mac[2],

names.mac[3], names.mac[4], names.mac[5]);

udev_builtin_add_property(dev, test, "ID_NET_NAME_MAC", str);

ieee_oui(dev, &names, test);

}

/* get PCI based path names, we compose only PCI based paths */

err = names_pci(dev, &names);

if (err < 0)

goto out;

/* plain PCI device */

if (names.type == NET_PCI) {

char str[IFNAMSIZ];

if (names.pci_onboard[0])

if (snprintf(str, sizeof(str), "%s%s", prefix, names.pci_onboard) < (int)sizeof(str))

udev_builtin_add_property(dev, test, "ID_NET_NAME_ONBOARD", str);

if (names.pci_onboard_label)

if (snprintf(str, sizeof(str), "%s%s", prefix, names.pci_onboard_label) < (int)sizeof(str))

udev_builtin_add_property(dev, test, "ID_NET_LABEL_ONBOARD", str);

if (names.pci_path[0])

if (snprintf(str, sizeof(str), "%s%s", prefix, names.pci_path) < (int)sizeof(str))

udev_builtin_add_property(dev, test, "ID_NET_NAME_PATH", str);

if (names.pci_slot[0])

if (snprintf(str, sizeof(str), "%s%s", prefix, names.pci_slot) < (int)sizeof(str))

udev_builtin_add_property(dev, test, "ID_NET_NAME_SLOT", str);

goto out;

}

/* USB device */

err = names_usb(dev, &names);

if (err >= 0 && names.type == NET_USB) {

char str[IFNAMSIZ];

if (names.pci_path[0])

if (snprintf(str, sizeof(str), "%s%s%s", prefix, names.pci_path, names.usb_ports) < (int)sizeof(str))

udev_builtin_add_property(dev, test, "ID_NET_NAME_PATH", str);

if (names.pci_slot[0])

if (snprintf(str, sizeof(str), "%s%s%s", prefix, names.pci_slot, names.usb_ports) < (int)sizeof(str))

udev_builtin_add_property(dev, test, "ID_NET_NAME_SLOT", str);

}

out:

return EXIT_SUCCESS;

}

const struct udev_builtin udev_builtin_net_id = {

.name = "net_id",

.cmd = builtin_net_id,

.help = "network device properties",

};