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[Xen-changelog] Remove net_driver_util module. Inline the one mac-parsing function



# HG changeset patch
# User kaf24@xxxxxxxxxxxxxxxxxxxx
# Node ID ac4a961f7e646683c089389b1d473d6c2ec401c5
# Parent  93db1b536f383ee93359080097b0870ea3add01a
Remove net_driver_util module. Inline the one mac-parsing function
into the netfront and netback drivers. Take the opportunity to fix
the mac-parsing logic.
Signed-off-by: Keir Fraser <keir@xxxxxxxxxxxxx>
---
 linux-2.6-xen-sparse/drivers/xen/net_driver_util.c   |   58 -------------------
 linux-2.6-xen-sparse/include/xen/net_driver_util.h   |   48 ---------------
 linux-2.6-xen-sparse/arch/ia64/xen/drivers/Makefile  |    1 
 linux-2.6-xen-sparse/drivers/xen/Makefile            |    1 
 linux-2.6-xen-sparse/drivers/xen/netback/xenbus.c    |   27 ++++++--
 linux-2.6-xen-sparse/drivers/xen/netfront/netfront.c |   22 ++++++-
 6 files changed, 42 insertions(+), 115 deletions(-)

diff -r 93db1b536f38 -r ac4a961f7e64 
linux-2.6-xen-sparse/arch/ia64/xen/drivers/Makefile
--- a/linux-2.6-xen-sparse/arch/ia64/xen/drivers/Makefile       Thu May 25 
21:41:04 2006 +0100
+++ b/linux-2.6-xen-sparse/arch/ia64/xen/drivers/Makefile       Thu May 25 
22:57:44 2006 +0100
@@ -2,7 +2,6 @@ ifneq ($(CONFIG_XEN_IA64_DOM0_VP),y)
 ifneq ($(CONFIG_XEN_IA64_DOM0_VP),y)
 obj-y   += util.o
 endif
-obj-$(CONFIG_XEN_IA64_DOM0_VP) += net_driver_util.o
 
 obj-y  += core/
 #obj-y += char/
diff -r 93db1b536f38 -r ac4a961f7e64 linux-2.6-xen-sparse/drivers/xen/Makefile
--- a/linux-2.6-xen-sparse/drivers/xen/Makefile Thu May 25 21:41:04 2006 +0100
+++ b/linux-2.6-xen-sparse/drivers/xen/Makefile Thu May 25 22:57:44 2006 +0100
@@ -1,5 +1,4 @@
 
-obj-y  += net_driver_util.o
 obj-y  += util.o
 
 obj-y  += core/
diff -r 93db1b536f38 -r ac4a961f7e64 
linux-2.6-xen-sparse/drivers/xen/netback/xenbus.c
--- a/linux-2.6-xen-sparse/drivers/xen/netback/xenbus.c Thu May 25 21:41:04 
2006 +0100
+++ b/linux-2.6-xen-sparse/drivers/xen/netback/xenbus.c Thu May 25 22:57:44 
2006 +0100
@@ -17,13 +17,10 @@
     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
 
-
 #include <stdarg.h>
 #include <linux/module.h>
 #include <xen/xenbus.h>
-#include <xen/net_driver_util.h>
 #include "common.h"
-
 
 #if 0
 #undef DPRINTK
@@ -31,7 +28,6 @@
     printk("netback/xenbus (%s:%d) " fmt ".\n", __FUNCTION__, __LINE__, ##args)
 #endif
 
-
 struct backend_info
 {
        struct xenbus_device *dev;
@@ -40,13 +36,11 @@ struct backend_info
        enum xenbus_state frontend_state;
 };
 
-
 static int connect_rings(struct backend_info *);
 static void connect(struct backend_info *);
 static void maybe_connect(struct backend_info *);
 static void backend_changed(struct xenbus_watch *, const char **,
                            unsigned int);
-
 
 static int netback_remove(struct xenbus_device *dev)
 {
@@ -273,6 +267,27 @@ static void xen_net_read_rate(struct xen
        kfree(ratestr);
 }
 
+static int xen_net_read_mac(struct xenbus_device *dev, u8 mac[])
+{
+       char *s, *e, *macstr;
+       int i;
+
+       macstr = s = xenbus_read(XBT_NULL, dev->nodename, "mac", NULL);
+       if (IS_ERR(macstr))
+               return PTR_ERR(macstr);
+
+       for (i = 0; i < ETH_ALEN; i++) {
+               mac[i] = simple_strtoul(s, &e, 16);
+               if ((s == e) || (*e != ((i == ETH_ALEN-1) ? '\0' : ':'))) {
+                       kfree(macstr);
+                       return -ENOENT;
+               }
+               s = e+1;
+       }
+
+       kfree(macstr);
+       return 0;
+}
 
 static void connect(struct backend_info *be)
 {
diff -r 93db1b536f38 -r ac4a961f7e64 
linux-2.6-xen-sparse/drivers/xen/netfront/netfront.c
--- a/linux-2.6-xen-sparse/drivers/xen/netfront/netfront.c      Thu May 25 
21:41:04 2006 +0100
+++ b/linux-2.6-xen-sparse/drivers/xen/netfront/netfront.c      Thu May 25 
22:57:44 2006 +0100
@@ -60,7 +60,6 @@
 #include <asm/uaccess.h>
 #include <xen/interface/grant_table.h>
 #include <xen/gnttab.h>
-#include <xen/net_driver_util.h>
 
 #define GRANT_INVALID_REF      0
 
@@ -233,6 +232,27 @@ static int netfront_resume(struct xenbus
        return talk_to_backend(dev, info);
 }
 
+static int xen_net_read_mac(struct xenbus_device *dev, u8 mac[])
+{
+       char *s, *e, *macstr;
+       int i;
+
+       macstr = s = xenbus_read(XBT_NULL, dev->nodename, "mac", NULL);
+       if (IS_ERR(macstr))
+               return PTR_ERR(macstr);
+
+       for (i = 0; i < ETH_ALEN; i++) {
+               mac[i] = simple_strtoul(s, &e, 16);
+               if ((s == e) || (*e != ((i == ETH_ALEN-1) ? '\0' : ':'))) {
+                       kfree(macstr);
+                       return -ENOENT;
+               }
+               s = e+1;
+       }
+
+       kfree(macstr);
+       return 0;
+}
 
 /* Common code used when first setting up, and when resuming. */
 static int talk_to_backend(struct xenbus_device *dev,
diff -r 93db1b536f38 -r ac4a961f7e64 
linux-2.6-xen-sparse/drivers/xen/net_driver_util.c
--- a/linux-2.6-xen-sparse/drivers/xen/net_driver_util.c        Thu May 25 
21:41:04 2006 +0100
+++ /dev/null   Thu Jan 01 00:00:00 1970 +0000
@@ -1,58 +0,0 @@
-/*****************************************************************************
- *
- * Utility functions for Xen network devices.
- *
- * Copyright (c) 2005 XenSource Ltd.
- * 
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License version 2
- * as published by the Free Software Foundation; or, when 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 <linux/module.h>
-#include <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(XBT_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;
-}
-EXPORT_SYMBOL_GPL(xen_net_read_mac);
diff -r 93db1b536f38 -r ac4a961f7e64 
linux-2.6-xen-sparse/include/xen/net_driver_util.h
--- a/linux-2.6-xen-sparse/include/xen/net_driver_util.h        Thu May 25 
21:41:04 2006 +0100
+++ /dev/null   Thu Jan 01 00:00:00 1970 +0000
@@ -1,48 +0,0 @@
-/*****************************************************************************
- *
- * Utility functions for Xen network devices.
- *
- * Copyright (c) 2005 XenSource Ltd.
- * 
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License version 2
- * as published by the Free Software Foundation; or, when 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 <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 */

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