Support ksdevice=link when booting from boot.iso.

If the user supplies ksdevice=link, make sure we automatically
select the first network device found that has an active link.

2 files changed, 19 insertions, 0 deletions

diff --git a/isys/isys.c b/isys/isys.c
index 4ecf947d0..b3466ab04 100644
--- a/isys/isys.c
+++ b/isys/isys.c
@@ -131,6 +131,7 @@ static PyObject * doPrefixToNetmask(PyObject *s, PyObject *args);
 static PyObject * doGetBlkidData(PyObject * s, PyObject * args);
 static PyObject * doGetDeviceByToken(PyObject *s, PyObject *args);
 static PyObject * doIsCapsLockEnabled(PyObject * s, PyObject * args);
+static PyObject * doGetLinkStatus(PyObject * s, PyObject * args);
 
 static PyMethodDef isysModuleMethods[] = {
     { "ejectcdrom", (PyCFunction) doEjectCdrom, METH_VARARGS, NULL },
@@ -177,6 +178,7 @@ static PyMethodDef isysModuleMethods[] = {
     { "getblkid", (PyCFunction) doGetBlkidData, METH_VARARGS, NULL },
     { "getdevicebytoken", (PyCFunction) doGetDeviceByToken, METH_VARARGS, NULL },
     { "isCapsLockEnabled", (PyCFunction) doIsCapsLockEnabled, METH_VARARGS, NULL },
+    { "getLinkStatus", (PyCFunction) doGetLinkStatus, METH_VARARGS, NULL },
     { NULL, NULL, 0, NULL }
 } ;
 
@@ -916,4 +918,18 @@ static PyObject * doIsCapsLockEnabled(PyObject * s, PyObject * args) {
     return PyBool_FromLong(state.locked_mods & LockMask);
 }
 
+static PyObject * doGetLinkStatus(PyObject * s, PyObject * args) {
+    char *dev = NULL;
+
+    if (!PyArg_ParseTuple(args, "s", &dev)) {
+        return NULL;
+    }
+
+    if (get_link_status(dev) == 1) {
+        return PyBool_FromLong(1);
+    }
+
+    return PyBool_FromLong(0);
+}
+
 /* vim:set shiftwidth=4 softtabstop=4: */
diff --git a/isys/isys.py b/isys/isys.py
index 189bd7fd1..57672d8f6 100755
--- a/isys/isys.py
+++ b/isys/isys.py
@@ -1056,6 +1056,9 @@ def isPaeAvailable():
 
     return isPAE
 
+def getLinkStatus(dev):
+    return _isys.getLinkStatus(dev)
+
 auditDaemon = _isys.auditdaemon
 
 handleSegv = _isys.handleSegv