* Licensed under GPLv2 or later, see file LICENSE in this source tree.
*/
+//config:config NAMEIF
+//config: bool "nameif"
+//config: default y
+//config: select PLATFORM_LINUX
+//config: select FEATURE_SYSLOG
+//config: help
+//config: nameif is used to rename network interface by its MAC address.
+//config: Renamed interfaces MUST be in the down state.
+//config: It is possible to use a file (default: /etc/mactab)
+//config: with list of new interface names and MACs.
+//config: Maximum interface name length: IFNAMSIZ = 16
+//config: File fields are separated by space or tab.
+//config: File format:
+//config: # Comment
+//config: new_interface_name XX:XX:XX:XX:XX:XX
+//config:
+//config:config FEATURE_NAMEIF_EXTENDED
+//config: bool "Extended nameif"
+//config: default y
+//config: depends on NAMEIF
+//config: help
+//config: This extends the nameif syntax to support the bus_info, driver,
+//config: phyaddr selectors. The syntax is compatible to the normal nameif.
+//config: File format:
+//config: new_interface_name driver=asix bus=usb-0000:00:08.2-3
+//config: new_interface_name bus=usb-0000:00:08.2-3 00:80:C8:38:91:B5
+//config: new_interface_name phy_address=2 00:80:C8:38:91:B5
+//config: new_interface_name mac=00:80:C8:38:91:B5
+//config: new_interface_name 00:80:C8:38:91:B5
+
+//usage:#define nameif_trivial_usage
+//usage: IF_NOT_FEATURE_NAMEIF_EXTENDED(
+//usage: "[-s] [-c FILE] [IFNAME HWADDR]..."
+//usage: )
+//usage: IF_FEATURE_NAMEIF_EXTENDED(
+//usage: "[-s] [-c FILE] [IFNAME SELECTOR]..."
+//usage: )
+//usage:#define nameif_full_usage "\n\n"
+//usage: "Rename network interface while it in the down state."
+//usage: IF_NOT_FEATURE_NAMEIF_EXTENDED(
+//usage: "\nThe device with address HWADDR is renamed to IFACE."
+//usage: )
+//usage: IF_FEATURE_NAMEIF_EXTENDED(
+//usage: "\nThe device matched by SELECTOR is renamed to IFACE."
+//usage: "\nSELECTOR can be a combination of:"
+//usage: "\n driver=STRING"
+//usage: "\n bus=STRING"
+//usage: "\n phy_address=NUM"
+//usage: "\n [mac=]XX:XX:XX:XX:XX:XX"
+//usage: )
+//usage: "\n"
+//usage: "\n -c FILE Configuration file (default: /etc/mactab)"
+//usage: "\n -s Log to syslog"
+//usage:
+//usage:#define nameif_example_usage
+//usage: "$ nameif -s dmz0 00:A0:C9:8C:F6:3F\n"
+//usage: " or\n"
+//usage: "$ nameif -c /etc/my_mactab_file\n"
+
#include "libbb.h"
#include <syslog.h>
#include <net/if.h>
#if ENABLE_FEATURE_NAMEIF_EXTENDED
char *bus_info;
char *driver;
+ int32_t phy_address;
#endif
} ethtable_t;
uint32_t eedump_len; /* Size of data from ETHTOOL_GEEPROM (bytes) */
uint32_t regdump_len; /* Size of data from ETHTOOL_GREGS (bytes) */
};
+
+struct ethtool_cmd {
+ uint32_t cmd;
+ uint32_t supported; /* Features this interface supports */
+ uint32_t advertising; /* Features this interface advertises */
+ uint16_t speed; /* The forced speed, 10Mb, 100Mb, gigabit */
+ uint8_t duplex; /* Duplex, half or full */
+ uint8_t port; /* Which connector port */
+ uint8_t phy_address;
+ uint8_t transceiver; /* Which transceiver to use */
+ uint8_t autoneg; /* Enable or disable autonegotiation */
+ uint32_t maxtxpkt; /* Tx pkts before generating tx int */
+ uint32_t maxrxpkt; /* Rx pkts before generating rx int */
+ uint16_t speed_hi;
+ uint16_t reserved2;
+ uint32_t reserved[3];
+};
+
+#define ETHTOOL_GSET 0x00000001 /* Get settings. */
#define ETHTOOL_GDRVINFO 0x00000003 /* Get driver info. */
#endif
#endif
selector = skip_whitespace(selector);
#if ENABLE_FEATURE_NAMEIF_EXTENDED
+ ch->phy_address = -1;
if (*selector == '\0')
break;
/* Search for the end .... */
} else if (strncmp(selector, "driver=", 7) == 0) {
ch->driver = xstrdup(selector + 7);
found_selector++;
+ } else if (strncmp(selector, "phyaddr=", 8) == 0) {
+ ch->phy_address = xatoi_positive(selector + 8);
+ found_selector++;
} else {
#endif
lmac = xmalloc(ETH_ALEN);
struct ifreq ifr;
#if ENABLE_FEATURE_NAMEIF_EXTENDED
struct ethtool_drvinfo drvinfo;
+ struct ethtool_cmd eth_settings;
#endif
if (parser->lineno <= 2)
continue; /* Skip the first two lines */
strncpy_IFNAMSIZ(ifr.ifr_name, token[0]);
#if ENABLE_FEATURE_NAMEIF_EXTENDED
+ /* Check for phy address */
+ memset(ð_settings, 0, sizeof(eth_settings));
+ eth_settings.cmd = ETHTOOL_GSET;
+ ifr.ifr_data = (caddr_t) ð_settings;
+ ioctl(ctl_sk, SIOCETHTOOL, &ifr);
+
/* Check for driver etc. */
- memset(&drvinfo, 0, sizeof(struct ethtool_drvinfo));
+ memset(&drvinfo, 0, sizeof(drvinfo));
drvinfo.cmd = ETHTOOL_GDRVINFO;
ifr.ifr_data = (caddr_t) &drvinfo;
/* Get driver and businfo first, so we have it in drvinfo */
continue;
if (ch->driver && strcmp(ch->driver, drvinfo.driver) != 0)
continue;
+ if (ch->phy_address != -1 && ch->phy_address != eth_settings.phy_address)
+ continue;
#endif
if (ch->mac && memcmp(ch->mac, ifr.ifr_hwaddr.sa_data, ETH_ALEN) != 0)
continue;
/* if we came here, all selectors have matched */
- break;
+ goto found;
}
/* Nothing found for current interface */
- if (!ch)
- continue;
-
+ continue;
+ found:
if (strcmp(ifr.ifr_name, ch->ifname) != 0) {
strcpy(ifr.ifr_newname, ch->ifname);
ioctl_or_perror_and_die(ctl_sk, SIOCSIFNAME, &ifr,
ch->next->prev = ch->prev;
if (ENABLE_FEATURE_CLEAN_UP)
delete_eth_table(ch);
- }
+ } /* while */
+
if (ENABLE_FEATURE_CLEAN_UP) {
- for (ch = clist; ch; ch = ch->next)
+ ethtable_t *next;
+ for (ch = clist; ch; ch = next) {
+ next = ch->next;
delete_eth_table(ch);
+ }
config_close(parser);
};
projects / oweals / busybox.git / blobdiff