On Wed, 2011-03-16 at 15:50 -0500, Dan Williams wrote: ... > That said, the best way to go about this is likely to use udev scripts > to initially create the easytether0 interface, and then we could add > some custom code to NM to recognize the easytether0 interface as a > normal ethernet device and run DHCP on it. That wouldn't be *too* hard, > probably < 30 lines of code. It would involve using g_str_has_prefix() > looking for easytether in the nm-udev-manager.c code, and if so, > bypassing some of the udev /sysfs hierarchy checks that determine > hardware relationships and device attributes like driver and > description. That's not something we should be doing for most "virtual" > network interfaces, but it's probably OK in the case of easytether. Thanks for the advice where to patch network manager. Attached is a very first version, plus a basic udev rule for a Motorola Milestone and connect script. It works fine on my Ubuntu 10.04 machine right now, though it could use some polishing. Torsten
diff -ruN NetworkManager/src/nm-device-ethernet.c NetworkManager-easytether/src/nm-device-ethernet.c
--- NetworkManager/src/nm-device-ethernet.c 2011-03-16 14:25:18.834800697 +0100
+++ NetworkManager-easytether/src/nm-device-ethernet.c 2011-03-16 22:19:58.388510568 +0100
@@ -567,7 +567,10 @@
{
g_return_val_if_fail (udi != NULL, NULL);
g_return_val_if_fail (iface != NULL, NULL);
- g_return_val_if_fail (driver != NULL, NULL);
+ if (strcmp("easytether0", iface))
+ g_return_val_if_fail (driver != NULL, NULL);
+ else
+ nm_log_warn (LOGD_HW, "Ignoring driver = NULL for easytether");
return (NMDevice *) g_object_new (NM_TYPE_DEVICE_ETHERNET,
NM_DEVICE_INTERFACE_UDI, udi,
diff -ruN NetworkManager/src/nm-udev-manager.c NetworkManager-easytether/src/nm-udev-manager.c
--- NetworkManager/src/nm-udev-manager.c 2011-03-10 23:38:01.298038845 +0100
+++ NetworkManager-easytether/src/nm-udev-manager.c 2011-03-16 22:06:32.976528041 +0100
@@ -386,7 +386,10 @@
if (!driver) {
nm_log_warn (LOGD_HW, "%s: couldn't determine device driver; ignoring...", path);
- goto out;
+ if (!strcmp("easytether0", ifname))
+ nm_log_warn (LOGD_HW, "%s: is an easytether device, ignorning device driver not found", ifname)
+ else
+ goto out;
}
ifindex = g_udev_device_get_sysfs_attr_as_int (udev_device, "ifindex");
ACTION=="add", SUBSYSTEM=="usb", ATTR{idVendor}=="22b8", ATTR{idProduct}=="41da", RUN+="/usr/local/bin/easytether"
Attachment:
easytether
Description: application/shellscript