From f61d732a02c8a5e11c39651a70e3e3fd00529495 Mon Sep 17 00:00:00 2001 From: "kay.sievers@vrfy.org" Date: Wed, 24 Mar 2004 23:19:39 -0800 Subject: [PATCH] hmm, handle net devices with udev? Hmm, Arndt Bergmann sent a patch like this one a few weeks ago and I want to bring the question back, if we want to handle net device naming with udev. With this patch it is actually possible to specify something like this in udev.rules: KERNEL="dummy*", SYSFS{address}="00:00:00:00:00:00", SYSFS{features}="0x0", NAME="blind%n" KERNEL="eth*", SYSFS{address}="00:0d:60:77:30:91", NAME="private" and you will get: [root@pim udev.kay]# cat /proc/net/dev Inter-| Receive | Transmit face |bytes packets errs drop fifo frame compressed multicast|bytes packets errs drop fifo colls carrier compressed lo: 1500 30 0 0 0 0 0 0 1500 30 0 0 0 0 0 0 private: 278393 1114 0 0 0 0 0 0 153204 1468 0 0 0 0 0 0 sit0: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 blind0: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 The udevinfo program is also working: [root@pim udev.kay]# ./udevinfo -a -p /sys/class/net/private looking at class device '/sys/class/net/private': SYSFS{addr_len}="6" SYSFS{address}="00:0d:60:77:30:91" SYSFS{broadcast}="ff:ff:ff:ff:ff:ff" SYSFS{features}="0x3a9" SYSFS{flags}="0x1003" SYSFS{ifindex}="2" SYSFS{iflink}="2" SYSFS{mtu}="1500" SYSFS{tx_queue_len}="1000" SYSFS{type}="1" follow the class device's "device" looking at the device chain at '/sys/devices/pci0000:00/0000:00:1e.0/0000:02:01.0': BUS="pci" ID="0000:02:01.0" SYSFS{class}="0x020000" SYSFS{detach_state}="0" SYSFS{device}="0x101e" SYSFS{irq}="11" SYSFS{subsystem_device}="0x0549" SYSFS{subsystem_vendor}="0x1014" SYSFS{vendor}="0x8086" The matching device will be renamed to the given name. The device name will not be put into the udev database, cause the kernel renames the device and the sysfs name disappears. I like it, cause it plugs in nicely. We have all the naming features and sysfs queries and walks inside of udev. The sysfs timing races are already solved and the management tools are working for net devices too. nameif can only match the MAC address now. udev can match any sysfs value of the device tree the net device is connected to. But right, net devices do not have device nodes :) --- test/udev-test.pl | 110 +++++++++++++++++++++++++++--------------------------- 1 file changed, 55 insertions(+), 55 deletions(-) (limited to 'test') diff --git a/test/udev-test.pl b/test/udev-test.pl index d93ebb9cc3..8ae01c31d4 100644 --- a/test/udev-test.pl +++ b/test/udev-test.pl @@ -35,7 +35,7 @@ my @tests = ( { desc => "label test of scsi disc", subsys => "block", - devpath => "block/sda", + devpath => "/block/sda", exp_name => "boot_disk" , conf => < "label test of scsi partition", subsys => "block", - devpath => "block/sda/sda1", + devpath => "/block/sda/sda1", exp_name => "boot_disk1" , conf => < "label test of pattern match", subsys => "block", - devpath => "block/sda/sda1", + devpath => "/block/sda/sda1", exp_name => "boot_disk1" , conf => < "label test of multiple sysfs files", subsys => "block", - devpath => "block/sda/sda1", + devpath => "/block/sda/sda1", exp_name => "boot_disk1" , conf => < "label test of max sysfs files", subsys => "block", - devpath => "block/sda/sda1", + devpath => "/block/sda/sda1", exp_name => "boot_disk1" , conf => < "catch device by *", subsys => "tty", - devpath => "class/tty/ttyUSB0", + devpath => "/class/tty/ttyUSB0", exp_name => "visor/0" , conf => < "catch device by * - take 2", subsys => "tty", - devpath => "class/tty/ttyUSB0", + devpath => "/class/tty/ttyUSB0", exp_name => "visor/0" , conf => < "catch device by ?", subsys => "tty", - devpath => "class/tty/ttyUSB0", + devpath => "/class/tty/ttyUSB0", exp_name => "visor/0" , conf => < "catch device by character class", subsys => "tty", - devpath => "class/tty/ttyUSB0", + devpath => "/class/tty/ttyUSB0", exp_name => "visor/0" , conf => < "replace kernel name", subsys => "tty", - devpath => "class/tty/ttyUSB0", + devpath => "/class/tty/ttyUSB0", exp_name => "visor" , conf => < "Handle comment lines in config file (and replace kernel name)", subsys => "tty", - devpath => "class/tty/ttyUSB0", + devpath => "/class/tty/ttyUSB0", exp_name => "visor" , conf => < "Handle comment lines in config file with whitespace (and replace kernel name)", subsys => "tty", - devpath => "class/tty/ttyUSB0", + devpath => "/class/tty/ttyUSB0", exp_name => "visor" , conf => < "Handle empty lines in config file (and replace kernel name)", subsys => "tty", - devpath => "class/tty/ttyUSB0", + devpath => "/class/tty/ttyUSB0", exp_name => "visor" , conf => < "subdirectory handling", subsys => "tty", - devpath => "class/tty/ttyUSB0", + devpath => "/class/tty/ttyUSB0", exp_name => "sub/direct/ory/visor" , conf => < "place on bus of scsi partition", subsys => "block", - devpath => "block/sda/sda3", + devpath => "/block/sda/sda3", exp_name => "first_disk3" , conf => < "test NAME substitution chars", subsys => "block", - devpath => "block/sda/sda3", + devpath => "/block/sda/sda3", exp_name => "Major:8:minor:3:kernelnumber:3:bus:0:0:0:0" , conf => < "test NAME substitution chars (with length limit)", subsys => "block", - devpath => "block/sda/sda3", + devpath => "/block/sda/sda3", exp_name => "M8-m3-n3-b0:0-sIBM" , conf => < "old style SYSFS_ attribute", subsys => "block", - devpath => "block/sda", + devpath => "/block/sda", exp_name => "good" , conf => < "sustitution of sysfs value (%s{file})", subsys => "block", - devpath => "block/sda", + devpath => "/block/sda", exp_name => "disk-IBM-ESXS-sda" , conf => < "program result substitution", subsys => "block", - devpath => "block/sda/sda3", + devpath => "/block/sda/sda3", exp_name => "special-device-3" , conf => < "program result substitution", subsys => "block", - devpath => "block/sda/sda3", + devpath => "/block/sda/sda3", exp_name => "test-0:0:0:0" , conf => < "program with escaped format char (tricky: callout returns format char!)", subsys => "block", - devpath => "block/sda/sda3", + devpath => "/block/sda/sda3", exp_name => "escape-3" , conf => < "program with lots of arguments", subsys => "block", - devpath => "block/sda/sda3", + devpath => "/block/sda/sda3", exp_name => "foo9" , conf => < "program with subshell", subsys => "block", - devpath => "block/sda/sda3", + devpath => "/block/sda/sda3", exp_name => "bar9" , conf => < "program arguments combined with apostrophes", subsys => "block", - devpath => "block/sda/sda3", + devpath => "/block/sda/sda3", exp_name => "foo7" , conf => < "characters before the %c{N} substitution", subsys => "block", - devpath => "block/sda/sda3", + devpath => "/block/sda/sda3", exp_name => "my-foo9" , conf => < "substitute the second to last argument", subsys => "block", - devpath => "block/sda/sda3", + devpath => "/block/sda/sda3", exp_name => "my-foo8" , conf => < "program result substitution (numbered part of)", subsys => "block", - devpath => "block/sda/sda3", + devpath => "/block/sda/sda3", exp_name => "link1" , conf => < "program result substitution (numbered part of+)", subsys => "block", - devpath => "block/sda/sda3", + devpath => "/block/sda/sda3", exp_name => "link3" , conf => < "invalid program for device with no bus", subsys => "tty", - devpath => "class/tty/console", + devpath => "/class/tty/console", exp_name => "TTY" , conf => < "valid program for device with no bus", subsys => "tty", - devpath => "class/tty/console", + devpath => "/class/tty/console", exp_name => "foo" , conf => < "invalid label for device with no bus", subsys => "tty", - devpath => "class/tty/console", + devpath => "/class/tty/console", exp_name => "TTY" , conf => < "valid label for device with no bus", subsys => "tty", - devpath => "class/tty/console", + devpath => "/class/tty/console", exp_name => "foo" , conf => < "program and bus type match", subsys => "block", - devpath => "block/sda", + devpath => "/block/sda", exp_name => "scsi-0:0:0:0" , conf => < "symlink creation (same directory)", subsys => "tty", - devpath => "class/tty/ttyUSB0", + devpath => "/class/tty/ttyUSB0", exp_name => "visor0" , conf => < "symlink creation (relative link back)", subsys => "block", - devpath => "block/sda/sda2", + devpath => "/block/sda/sda2", exp_name => "1/2/a/b/symlink" , conf => < "symlink creation (relative link forward)", subsys => "block", - devpath => "block/sda/sda2", + devpath => "/block/sda/sda2", exp_name => "1/2/symlink" , conf => < "symlink creation (relative link back and forward)", subsys => "block", - devpath => "block/sda/sda2", + devpath => "/block/sda/sda2", exp_name => "1/2/c/d/symlink" , conf => < "multiple symlinks", subsys => "tty", - devpath => "class/tty/ttyUSB0", + devpath => "/class/tty/ttyUSB0", exp_name => "second-0" , conf => < "create all possible partitions", subsys => "block", - devpath => "block/sda", + devpath => "/block/sda", exp_name => "boot_disk15" , conf => < "sysfs parent hierarchy", subsys => "tty", - devpath => "class/tty/ttyUSB0", + devpath => "/class/tty/ttyUSB0", exp_name => "visor" , conf => < "name test with ! in the name", subsys => "block", - devpath => "block/rd!c0d0", + devpath => "/block/rd!c0d0", exp_name => "rd/c0d0" , conf => < "name test with ! in the name, but no matching rule", subsys => "block", - devpath => "block/rd!c0d0", + devpath => "/block/rd!c0d0", exp_name => "rd/c0d0" , conf => < "ID rule", subsys => "block", - devpath => "block/sda", + devpath => "/block/sda", exp_name => "scsi-0:0:0:0", conf => < "ID wildcard all", subsys => "block", - devpath => "block/sda", + devpath => "/block/sda", exp_name => "scsi-0:0:0:0", conf => < "ID wildcard partial", subsys => "block", - devpath => "block/sda", + devpath => "/block/sda", exp_name => "scsi-0:0:0:0", conf => < "ID wildcard partial 2", subsys => "block", - devpath => "block/sda", + devpath => "/block/sda", exp_name => "scsi-0:0:0:0", conf => < "ignore SYSFS attribute whitespace", subsys => "block", - devpath => "block/sda", + devpath => "/block/sda", exp_name => "ignored", conf => < "do not ignore SYSFS attribute whitespace", subsys => "block", - devpath => "block/sda", + devpath => "/block/sda", exp_name => "matched-with-space", conf => < "SYMLINK only rule", subsys => "block", - devpath => "block/sda", + devpath => "/block/sda", exp_name => "symlink-only2", conf => < "permissions test", subsys => "block", - devpath => "block/sda", + devpath => "/block/sda", exp_name => "node", exp_perms => "5000::0444", conf => < "major/minor number test", subsys => "block", - devpath => "block/sda", + devpath => "/block/sda", exp_name => "node", exp_majorminor => "8:0", conf => < "big minor number test", subsys => "i2c-dev", - devpath => "class/i2c-dev/i2c-300", + devpath => "/class/i2c-dev/i2c-300", exp_name => "node", exp_majorminor => "89:300", conf => < "big major number test", subsys => "i2c-dev", - devpath => "class/i2c-dev/i2c-fake1", + devpath => "/class/i2c-dev/i2c-fake1", exp_name => "node", exp_majorminor => "4095:1", conf => < "big major and big minor number test", subsys => "i2c-dev", - devpath => "class/i2c-dev/i2c-fake2", + devpath => "/class/i2c-dev/i2c-fake2", exp_name => "node", exp_majorminor => "4094:89999", conf => <