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-rw-r--r--package/nvram/src/wl.c86
1 files changed, 86 insertions, 0 deletions
diff --git a/package/nvram/src/wl.c b/package/nvram/src/wl.c
new file mode 100644
index 0000000000..f09317ad06
--- /dev/null
+++ b/package/nvram/src/wl.c
@@ -0,0 +1,86 @@
+/*
+ * Wireless network adapter utilities
+ *
+ * Copyright 2004, Broadcom Corporation
+ * All Rights Reserved.
+ *
+ * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
+ * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
+ * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
+ *
+ * $Id$
+ */
+#include <string.h>
+
+#include <typedefs.h>
+#include <wlutils.h>
+
+int
+wl_probe(char *name)
+{
+ int ret, val;
+
+ /* Check interface */
+ if ((ret = wl_ioctl(name, WLC_GET_MAGIC, &val, sizeof(val))))
+ return ret;
+ if (val != WLC_IOCTL_MAGIC)
+ return -1;
+ if ((ret = wl_ioctl(name, WLC_GET_VERSION, &val, sizeof(val))))
+ return ret;
+ if (val > WLC_IOCTL_VERSION)
+ return -1;
+
+ return ret;
+}
+
+int
+wl_set_val(char *name, char *var, void *val, int len)
+{
+ char buf[128];
+ int buf_len;
+
+ /* check for overflow */
+ if ((buf_len = strlen(var)) + 1 + len > sizeof(buf))
+ return -1;
+
+ strcpy(buf, var);
+ buf_len += 1;
+
+ /* append int value onto the end of the name string */
+ memcpy(&buf[buf_len], val, len);
+ buf_len += len;
+
+ return wl_ioctl(name, WLC_SET_VAR, buf, buf_len);
+}
+
+int
+wl_get_val(char *name, char *var, void *val, int len)
+{
+ char buf[128];
+ int ret;
+
+ /* check for overflow */
+ if (strlen(var) + 1 > sizeof(buf) || len > sizeof(buf))
+ return -1;
+
+ strcpy(buf, var);
+ if ((ret = wl_ioctl(name, WLC_GET_VAR, buf, sizeof(buf))))
+ return ret;
+
+ memcpy(val, buf, len);
+ return 0;
+}
+
+int
+wl_set_int(char *name, char *var, int val)
+{
+ return wl_set_val(name, var, &val, sizeof(val));
+}
+
+int
+wl_get_int(char *name, char *var, int *val)
+{
+ return wl_get_val(name, var, val, sizeof(*val));
+}
+