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Message-ID: <20120917130326.028dac29@nehalam.linuxnetplumber.net>
Date: Mon, 17 Sep 2012 13:03:26 -0700
From: Stephen Hemminger <shemminger@...tta.com>
To: David Miller <davem@...emloft.net>,
Jeff Kirsher <jeffrey.t.kirsher@...el.com>,
John Fastabend <john.r.fastabend@...el.com>
Cc: netdev@...r.kernel.org
Subject: [PATCH net-next] netdev: make address const in device address
management
The internal functions for add/deleting addresses don't change
their argument.
Signed-off-by: Stephen Hemminger <shemminger@...tta.com>
---
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 4 +-
drivers/net/macvlan.c | 4 +-
include/linux/netdevice.h | 28 +++++++++---------
net/bridge/br_fdb.c | 6 +--
net/bridge/br_private.h | 4 +-
net/core/dev_addr_lists.c | 40 +++++++++++++-------------
6 files changed, 44 insertions(+), 42 deletions(-)
--- a/drivers/net/macvlan.c 2012-09-17 11:02:16.230810156 -0700
+++ b/drivers/net/macvlan.c 2012-09-17 11:24:34.577369142 -0700
@@ -548,7 +548,7 @@ static int macvlan_vlan_rx_kill_vid(stru
static int macvlan_fdb_add(struct ndmsg *ndm,
struct net_device *dev,
- unsigned char *addr,
+ const unsigned char *addr,
u16 flags)
{
struct macvlan_dev *vlan = netdev_priv(dev);
@@ -567,7 +567,7 @@ static int macvlan_fdb_add(struct ndmsg
static int macvlan_fdb_del(struct ndmsg *ndm,
struct net_device *dev,
- unsigned char *addr)
+ const unsigned char *addr)
{
struct macvlan_dev *vlan = netdev_priv(dev);
int err = -EINVAL;
--- a/include/linux/netdevice.h 2012-09-17 11:02:16.230810156 -0700
+++ b/include/linux/netdevice.h 2012-09-17 11:24:34.577369142 -0700
@@ -907,10 +907,10 @@ struct netdev_fcoe_hbainfo {
* Must return >0 or -errno if it changed dev->features itself.
*
* int (*ndo_fdb_add)(struct ndmsg *ndm, struct net_device *dev,
- * unsigned char *addr, u16 flags)
+ * const unsigned char *addr, u16 flags)
* Adds an FDB entry to dev for addr.
* int (*ndo_fdb_del)(struct ndmsg *ndm, struct net_device *dev,
- * unsigned char *addr)
+ * const unsigned char *addr)
* Deletes the FDB entry from dev coresponding to addr.
* int (*ndo_fdb_dump)(struct sk_buff *skb, struct netlink_callback *cb,
* struct net_device *dev, int idx)
@@ -1017,11 +1017,11 @@ struct net_device_ops {
int (*ndo_fdb_add)(struct ndmsg *ndm,
struct net_device *dev,
- unsigned char *addr,
+ const unsigned char *addr,
u16 flags);
int (*ndo_fdb_del)(struct ndmsg *ndm,
struct net_device *dev,
- unsigned char *addr);
+ const unsigned char *addr);
int (*ndo_fdb_dump)(struct sk_buff *skb,
struct netlink_callback *cb,
struct net_device *dev,
@@ -2561,9 +2561,9 @@ extern void __hw_addr_flush(struct netde
extern void __hw_addr_init(struct netdev_hw_addr_list *list);
/* Functions used for device addresses handling */
-extern int dev_addr_add(struct net_device *dev, unsigned char *addr,
+extern int dev_addr_add(struct net_device *dev, const unsigned char *addr,
unsigned char addr_type);
-extern int dev_addr_del(struct net_device *dev, unsigned char *addr,
+extern int dev_addr_del(struct net_device *dev, const unsigned char *addr,
unsigned char addr_type);
extern int dev_addr_add_multiple(struct net_device *to_dev,
struct net_device *from_dev,
@@ -2575,20 +2575,20 @@ extern void dev_addr_flush(struct net_de
extern int dev_addr_init(struct net_device *dev);
/* Functions used for unicast addresses handling */
-extern int dev_uc_add(struct net_device *dev, unsigned char *addr);
-extern int dev_uc_add_excl(struct net_device *dev, unsigned char *addr);
-extern int dev_uc_del(struct net_device *dev, unsigned char *addr);
+extern int dev_uc_add(struct net_device *dev, const unsigned char *addr);
+extern int dev_uc_add_excl(struct net_device *dev, const unsigned char *addr);
+extern int dev_uc_del(struct net_device *dev, const unsigned char *addr);
extern int dev_uc_sync(struct net_device *to, struct net_device *from);
extern void dev_uc_unsync(struct net_device *to, struct net_device *from);
extern void dev_uc_flush(struct net_device *dev);
extern void dev_uc_init(struct net_device *dev);
/* Functions used for multicast addresses handling */
-extern int dev_mc_add(struct net_device *dev, unsigned char *addr);
-extern int dev_mc_add_global(struct net_device *dev, unsigned char *addr);
-extern int dev_mc_add_excl(struct net_device *dev, unsigned char *addr);
-extern int dev_mc_del(struct net_device *dev, unsigned char *addr);
-extern int dev_mc_del_global(struct net_device *dev, unsigned char *addr);
+extern int dev_mc_add(struct net_device *dev, const unsigned char *addr);
+extern int dev_mc_add_global(struct net_device *dev, const unsigned char *addr);
+extern int dev_mc_add_excl(struct net_device *dev, const unsigned char *addr);
+extern int dev_mc_del(struct net_device *dev, const unsigned char *addr);
+extern int dev_mc_del_global(struct net_device *dev, const unsigned char *addr);
extern int dev_mc_sync(struct net_device *to, struct net_device *from);
extern void dev_mc_unsync(struct net_device *to, struct net_device *from);
extern void dev_mc_flush(struct net_device *dev);
--- a/net/bridge/br_fdb.c 2012-09-17 11:02:16.230810156 -0700
+++ b/net/bridge/br_fdb.c 2012-09-17 11:24:34.577369142 -0700
@@ -609,7 +609,7 @@ static int fdb_add_entry(struct net_brid
/* Add new permanent fdb entry with RTM_NEWNEIGH */
int br_fdb_add(struct ndmsg *ndm, struct net_device *dev,
- unsigned char *addr, u16 nlh_flags)
+ const unsigned char *addr, u16 nlh_flags)
{
struct net_bridge_port *p;
int err = 0;
@@ -639,7 +639,7 @@ int br_fdb_add(struct ndmsg *ndm, struct
return err;
}
-static int fdb_delete_by_addr(struct net_bridge_port *p, u8 *addr)
+static int fdb_delete_by_addr(struct net_bridge_port *p, const u8 *addr)
{
struct net_bridge *br = p->br;
struct hlist_head *head = &br->hash[br_mac_hash(addr)];
@@ -655,7 +655,7 @@ static int fdb_delete_by_addr(struct net
/* Remove neighbor entry with RTM_DELNEIGH */
int br_fdb_delete(struct ndmsg *ndm, struct net_device *dev,
- unsigned char *addr)
+ const unsigned char *addr)
{
struct net_bridge_port *p;
int err;
--- a/net/bridge/br_private.h 2012-09-17 11:02:16.230810156 -0700
+++ b/net/bridge/br_private.h 2012-09-17 11:24:34.577369142 -0700
@@ -363,10 +363,10 @@ extern void br_fdb_update(struct net_bri
extern int br_fdb_delete(struct ndmsg *ndm,
struct net_device *dev,
- unsigned char *addr);
+ const unsigned char *addr);
extern int br_fdb_add(struct ndmsg *nlh,
struct net_device *dev,
- unsigned char *addr,
+ const unsigned char *addr,
u16 nlh_flags);
extern int br_fdb_dump(struct sk_buff *skb,
struct netlink_callback *cb,
--- a/net/core/dev_addr_lists.c 2012-08-15 08:59:22.934704464 -0700
+++ b/net/core/dev_addr_lists.c 2012-09-17 11:21:55.302968736 -0700
@@ -22,7 +22,7 @@
*/
static int __hw_addr_create_ex(struct netdev_hw_addr_list *list,
- unsigned char *addr, int addr_len,
+ const unsigned char *addr, int addr_len,
unsigned char addr_type, bool global)
{
struct netdev_hw_addr *ha;
@@ -46,7 +46,7 @@ static int __hw_addr_create_ex(struct ne
}
static int __hw_addr_add_ex(struct netdev_hw_addr_list *list,
- unsigned char *addr, int addr_len,
+ const unsigned char *addr, int addr_len,
unsigned char addr_type, bool global)
{
struct netdev_hw_addr *ha;
@@ -72,14 +72,15 @@ static int __hw_addr_add_ex(struct netde
return __hw_addr_create_ex(list, addr, addr_len, addr_type, global);
}
-static int __hw_addr_add(struct netdev_hw_addr_list *list, unsigned char *addr,
- int addr_len, unsigned char addr_type)
+static int __hw_addr_add(struct netdev_hw_addr_list *list,
+ const unsigned char *addr, int addr_len,
+ unsigned char addr_type)
{
return __hw_addr_add_ex(list, addr, addr_len, addr_type, false);
}
static int __hw_addr_del_ex(struct netdev_hw_addr_list *list,
- unsigned char *addr, int addr_len,
+ const unsigned char *addr, int addr_len,
unsigned char addr_type, bool global)
{
struct netdev_hw_addr *ha;
@@ -104,8 +105,9 @@ static int __hw_addr_del_ex(struct netde
return -ENOENT;
}
-static int __hw_addr_del(struct netdev_hw_addr_list *list, unsigned char *addr,
- int addr_len, unsigned char addr_type)
+static int __hw_addr_del(struct netdev_hw_addr_list *list,
+ const unsigned char *addr, int addr_len,
+ unsigned char addr_type)
{
return __hw_addr_del_ex(list, addr, addr_len, addr_type, false);
}
@@ -278,7 +280,7 @@ EXPORT_SYMBOL(dev_addr_init);
*
* The caller must hold the rtnl_mutex.
*/
-int dev_addr_add(struct net_device *dev, unsigned char *addr,
+int dev_addr_add(struct net_device *dev, const unsigned char *addr,
unsigned char addr_type)
{
int err;
@@ -303,7 +305,7 @@ EXPORT_SYMBOL(dev_addr_add);
*
* The caller must hold the rtnl_mutex.
*/
-int dev_addr_del(struct net_device *dev, unsigned char *addr,
+int dev_addr_del(struct net_device *dev, const unsigned char *addr,
unsigned char addr_type)
{
int err;
@@ -390,7 +392,7 @@ EXPORT_SYMBOL(dev_addr_del_multiple);
* @dev: device
* @addr: address to add
*/
-int dev_uc_add_excl(struct net_device *dev, unsigned char *addr)
+int dev_uc_add_excl(struct net_device *dev, const unsigned char *addr)
{
struct netdev_hw_addr *ha;
int err;
@@ -421,7 +423,7 @@ EXPORT_SYMBOL(dev_uc_add_excl);
* Add a secondary unicast address to the device or increase
* the reference count if it already exists.
*/
-int dev_uc_add(struct net_device *dev, unsigned char *addr)
+int dev_uc_add(struct net_device *dev, const unsigned char *addr)
{
int err;
@@ -443,7 +445,7 @@ EXPORT_SYMBOL(dev_uc_add);
* Release reference to a secondary unicast address and remove it
* from the device if the reference count drops to zero.
*/
-int dev_uc_del(struct net_device *dev, unsigned char *addr)
+int dev_uc_del(struct net_device *dev, const unsigned char *addr)
{
int err;
@@ -543,7 +545,7 @@ EXPORT_SYMBOL(dev_uc_init);
* @dev: device
* @addr: address to add
*/
-int dev_mc_add_excl(struct net_device *dev, unsigned char *addr)
+int dev_mc_add_excl(struct net_device *dev, const unsigned char *addr)
{
struct netdev_hw_addr *ha;
int err;
@@ -566,7 +568,7 @@ out:
}
EXPORT_SYMBOL(dev_mc_add_excl);
-static int __dev_mc_add(struct net_device *dev, unsigned char *addr,
+static int __dev_mc_add(struct net_device *dev, const unsigned char *addr,
bool global)
{
int err;
@@ -587,7 +589,7 @@ static int __dev_mc_add(struct net_devic
* Add a multicast address to the device or increase
* the reference count if it already exists.
*/
-int dev_mc_add(struct net_device *dev, unsigned char *addr)
+int dev_mc_add(struct net_device *dev, const unsigned char *addr)
{
return __dev_mc_add(dev, addr, false);
}
@@ -600,13 +602,13 @@ EXPORT_SYMBOL(dev_mc_add);
*
* Add a global multicast address to the device.
*/
-int dev_mc_add_global(struct net_device *dev, unsigned char *addr)
+int dev_mc_add_global(struct net_device *dev, const unsigned char *addr)
{
return __dev_mc_add(dev, addr, true);
}
EXPORT_SYMBOL(dev_mc_add_global);
-static int __dev_mc_del(struct net_device *dev, unsigned char *addr,
+static int __dev_mc_del(struct net_device *dev, const unsigned char *addr,
bool global)
{
int err;
@@ -628,7 +630,7 @@ static int __dev_mc_del(struct net_devic
* Release reference to a multicast address and remove it
* from the device if the reference count drops to zero.
*/
-int dev_mc_del(struct net_device *dev, unsigned char *addr)
+int dev_mc_del(struct net_device *dev, const unsigned char *addr)
{
return __dev_mc_del(dev, addr, false);
}
@@ -642,7 +644,7 @@ EXPORT_SYMBOL(dev_mc_del);
* Release reference to a multicast address and remove it
* from the device if the reference count drops to zero.
*/
-int dev_mc_del_global(struct net_device *dev, unsigned char *addr)
+int dev_mc_del_global(struct net_device *dev, const unsigned char *addr)
{
return __dev_mc_del(dev, addr, true);
}
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c 2012-09-17 11:02:16.230810156 -0700
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c 2012-09-17 11:25:15.112962043 -0700
@@ -6890,7 +6890,7 @@ static int ixgbe_set_features(struct net
static int ixgbe_ndo_fdb_add(struct ndmsg *ndm,
struct net_device *dev,
- unsigned char *addr,
+ const unsigned char *addr,
u16 flags)
{
struct ixgbe_adapter *adapter = netdev_priv(dev);
@@ -6927,7 +6927,7 @@ static int ixgbe_ndo_fdb_add(struct ndms
static int ixgbe_ndo_fdb_del(struct ndmsg *ndm,
struct net_device *dev,
- unsigned char *addr)
+ const unsigned char *addr)
{
struct ixgbe_adapter *adapter = netdev_priv(dev);
int err = -EOPNOTSUPP;
--
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