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authorPhil Sutter <phil.sutter@viprinet.com>2011-03-06 18:42:51 (GMT)
committer Denys Vlasenko <vda.linux@googlemail.com>2011-03-06 18:42:51 (GMT)
commit293a8f250d35157aced813695e1975078a521d19 (patch)
tree4a99690e5464e1ea832cfca2907fe0732ba1b4fa
parent2adc0e6d8b146991063309238569a703af6bda8f (diff)
downloadbusybox-293a8f250d35157aced813695e1975078a521d19.tar.gz
busybox-293a8f250d35157aced813695e1975078a521d19.tar.bz2
nameif: add matching by phy_address=NUM; extend help text
function old new delta nameif_main 618 686 +68 packed_usage 28095 28149 +54 prepend_new_eth_table 295 338 +43 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 3/0 up/down: 165/0) Total: 165 bytes Signed-off-by: Phil Sutter <phil.sutter@viprinet.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
-rw-r--r--include/usage.src.h14
-rw-r--r--networking/Config.src29
-rw-r--r--networking/nameif.c95
3 files changed, 94 insertions, 44 deletions
diff --git a/include/usage.src.h b/include/usage.src.h
index c2575b5..df770c4 100644
--- a/include/usage.src.h
+++ b/include/usage.src.h
@@ -2546,20 +2546,6 @@ INSERT
"ras3 reset retension rewind rewoffline seek setblk setdensity\n" \
"setpart tell unload unlock weof wset" \
-#define nameif_trivial_usage \
- "[-s] [-c FILE] [{IFNAME MACADDR}]"
-#define nameif_full_usage "\n\n" \
- "Rename network interface while it in the down state\n" \
- "\nOptions:" \
- "\n -c FILE Use configuration file (default: /etc/mactab)" \
- "\n -s Use syslog (LOCAL0 facility)" \
- "\n IFNAME MACADDR new_interface_name interface_mac_address" \
-
-#define nameif_example_usage \
- "$ nameif -s dmz0 00:A0:C9:8C:F6:3F\n" \
- " or\n" \
- "$ nameif -c /etc/my_mactab_file\n" \
-
#define nohup_trivial_usage \
"PROG ARGS"
#define nohup_full_usage "\n\n" \
diff --git a/networking/Config.src b/networking/Config.src
index 06930f4..8aeba0e 100644
--- a/networking/Config.src
+++ b/networking/Config.src
@@ -612,35 +612,6 @@ config FEATURE_IPCALC_LONG_OPTIONS
help
Support long options for the ipcalc applet.
-config NAMEIF
- bool "nameif"
- default y
- select PLATFORM_LINUX
- select FEATURE_SYSLOG
- help
- nameif is used to rename network interface by its MAC address.
- Renamed interfaces MUST be in the down state.
- It is possible to use a file (default: /etc/mactab)
- with list of new interface names and MACs.
- Maximum interface name length: IFNAMSIZ = 16
- File fields are separated by space or tab.
- File format:
- # Comment
- new_interface_name XX:XX:XX:XX:XX:XX
-
-config FEATURE_NAMEIF_EXTENDED
- bool "Extended nameif"
- default y
- depends on NAMEIF
- help
- This extends the nameif syntax to support the bus_info and driver
- checks. The syntax is compatible to the normal nameif.
- File format:
- new_interface_name driver=asix bus=usb-0000:00:08.2-3
- new_interface_name bus=usb-0000:00:08.2-3 00:80:C8:38:91:B5
- new_interface_name mac=00:80:C8:38:91:B5
- new_interface_name 00:80:C8:38:91:B5
-
config NETSTAT
bool "netstat"
default y
diff --git a/networking/nameif.c b/networking/nameif.c
index e9bff8b..78719ed 100644
--- a/networking/nameif.c
+++ b/networking/nameif.c
@@ -10,6 +10,66 @@
* 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: "\nOptions:"
+//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>
@@ -38,6 +98,7 @@ typedef struct ethtable_s {
#if ENABLE_FEATURE_NAMEIF_EXTENDED
char *bus_info;
char *driver;
+ int32_t phy_address;
#endif
} ethtable_t;
@@ -59,6 +120,25 @@ struct ethtool_drvinfo {
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 {
+ __u32 cmd;
+ __u32 supported; /* Features this interface supports */
+ __u32 advertising; /* Features this interface advertises */
+ __u16 speed; /* The forced speed, 10Mb, 100Mb, gigabit */
+ __u8 duplex; /* Duplex, half or full */
+ __u8 port; /* Which connector port */
+ __u8 phy_address;
+ __u8 transceiver; /* Which transceiver to use */
+ __u8 autoneg; /* Enable or disable autonegotiation */
+ __u32 maxtxpkt; /* Tx pkts before generating tx int */
+ __u32 maxrxpkt; /* Rx pkts before generating rx int */
+ __u16 speed_hi;
+ __u16 reserved2;
+ __u32 reserved[3];
+};
+
+#define ETHTOOL_GSET 0x00000001 /* Get settings. */
#define ETHTOOL_GDRVINFO 0x00000003 /* Get driver info. */
#endif
@@ -74,6 +154,7 @@ static void nameif_parse_selector(ethtable_t *ch, char *selector)
#endif
selector = skip_whitespace(selector);
#if ENABLE_FEATURE_NAMEIF_EXTENDED
+ ch->phy_address = -1;
if (*selector == '\0')
break;
/* Search for the end .... */
@@ -87,6 +168,9 @@ static void nameif_parse_selector(ethtable_t *ch, char *selector)
} 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);
@@ -171,6 +255,7 @@ int nameif_main(int argc UNUSED_PARAM, char **argv)
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 */
@@ -180,8 +265,14 @@ int nameif_main(int argc UNUSED_PARAM, char **argv)
strncpy_IFNAMSIZ(ifr.ifr_name, token[0]);
#if ENABLE_FEATURE_NAMEIF_EXTENDED
+ /* Check for phy address */
+ memset(&eth_settings, 0, sizeof(eth_settings));
+ eth_settings.cmd = ETHTOOL_GSET;
+ ifr.ifr_data = (caddr_t) &eth_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 */
@@ -196,6 +287,8 @@ int nameif_main(int argc UNUSED_PARAM, char **argv)
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;