# HG changeset patch
# User emellor@xxxxxxxxxxxxxxxxxxxxxx
# Node ID 9523e6d105119360ce0fd4208d8e6fee19f2bfba
# Parent 980967b0b161aa2a0d77066c5c43afa1c4e3a14c
New location for code common to both netfront and netback, with the MAC parsing
pulled here.
Signed-off-by: Ewan Mellor <ewan@xxxxxxxxxxxxx>
diff -r 980967b0b161 -r 9523e6d10511 linux-2.6-xen-sparse/drivers/xen/Makefile
--- a/linux-2.6-xen-sparse/drivers/xen/Makefile Fri Nov 11 16:56:02 2005
+++ b/linux-2.6-xen-sparse/drivers/xen/Makefile Fri Nov 11 16:59:20 2005
@@ -1,4 +1,5 @@
+obj-y += net_driver_util.o
obj-y += util.o
obj-y += console/
diff -r 980967b0b161 -r 9523e6d10511
linux-2.6-xen-sparse/drivers/xen/net_driver_util.c
--- /dev/null Fri Nov 11 16:56:02 2005
+++ b/linux-2.6-xen-sparse/drivers/xen/net_driver_util.c Fri Nov 11
16:59:20 2005
@@ -0,0 +1,67 @@
+/*****************************************************************************
+ *
+ * Utility functions for Xen network devices.
+ *
+ * Copyright (c) 2005 XenSource Ltd.
+ *
+ * This file may be distributed separately from the Linux kernel, or
+ * incorporated into other software packages, subject to the following
+ * license:
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this source file (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy, modify,
+ * merge, publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so, subject
+ * to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+
+#include <linux/if_ether.h>
+#include <linux/err.h>
+#include <asm-xen/net_driver_util.h>
+
+
+int xen_net_read_mac(struct xenbus_device *dev, u8 mac[])
+{
+ char *s;
+ int i;
+ char *e;
+ char *macstr = xenbus_read(NULL, dev->nodename, "mac", NULL);
+ if (IS_ERR(macstr)) {
+ return PTR_ERR(macstr);
+ }
+ s = macstr;
+ for (i = 0; i < ETH_ALEN; i++) {
+ mac[i] = simple_strtoul(s, &e, 16);
+ if (s == e || (e[0] != ':' && e[0] != 0)) {
+ kfree(macstr);
+ return -ENOENT;
+ }
+ s = &e[1];
+ }
+ kfree(macstr);
+ return 0;
+}
+
+
+/*
+ * Local variables:
+ * c-file-style: "linux"
+ * indent-tabs-mode: t
+ * c-indent-level: 8
+ * c-basic-offset: 8
+ * tab-width: 8
+ * End:
+ */
diff -r 980967b0b161 -r 9523e6d10511
linux-2.6-xen-sparse/include/asm-xen/net_driver_util.h
--- /dev/null Fri Nov 11 16:56:02 2005
+++ b/linux-2.6-xen-sparse/include/asm-xen/net_driver_util.h Fri Nov 11
16:59:20 2005
@@ -0,0 +1,56 @@
+/*****************************************************************************
+ *
+ * Utility functions for Xen network devices.
+ *
+ * Copyright (c) 2005 XenSource Ltd.
+ *
+ * This file may be distributed separately from the Linux kernel, or
+ * incorporated into other software packages, subject to the following
+ * license:
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this source file (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy, modify,
+ * merge, publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so, subject
+ * to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef _ASM_XEN_NET_DRIVER_UTIL_H
+#define _ASM_XEN_NET_DRIVER_UTIL_H
+
+
+#include <asm-xen/xenbus.h>
+
+
+/**
+ * Read the 'mac' node at the given device's node in the store, and parse that
+ * as colon-separated octets, placing result the given mac array. mac must be
+ * a preallocated array of length ETH_ALEN (as declared in linux/if_ether.h).
+ * Return 0 on success, or -errno on error.
+ */
+int xen_net_read_mac(struct xenbus_device *dev, u8 mac[]);
+
+
+#endif /* _ASM_XEN_NET_DRIVER_UTIL_H */
+
+/*
+ * Local variables:
+ * c-file-style: "linux"
+ * indent-tabs-mode: t
+ * c-indent-level: 8
+ * c-basic-offset: 8
+ * tab-width: 8
+ * End:
+ */
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