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Date: Fri, 13 Dec 2013 21:27:54 -0500
From: Vladislav Yasevich <vyasevich@...il.com>
To: Stephen Hemminger <shemming@...cade.com>
Cc: David Miller <davem@...emloft.net>,
Vlad Yasevich <vyasevic@...hat.com>,
"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [PATCH net-next] net: remove dead code for add/del multiple
On Fri, Dec 13, 2013 at 3:35 PM, Stephen Hemminger <shemming@...cade.com> wrote:
> These function to manipulate multiple addresses are not used anywhere
> in current net-next tree. Some out of tree code maybe using these but
> too bad; they should submit their code upstream..
>
> Also, make __hw_addr_flush local since only used by dev_addr_lists.c
>
> Signed-off-by: Stephen Hemminger <stephen@...workplumber.org>
I initially provided the API for completeness sake. Since no-one currently
needs it, I guess I am ok with this change. If a need arises, we can
put it back.
-vlad
>
> ---
> include/linux/netdevice.h | 11 -----
> net/core/dev_addr_lists.c | 97 ----------------------------------------------
> 2 files changed, 1 insertion(+), 107 deletions(-)
>
> --- a/include/linux/netdevice.h 2013-12-13 12:31:44.098150763 -0800
> +++ b/include/linux/netdevice.h 2013-12-13 12:32:01.117841519 -0800
> @@ -2810,17 +2810,10 @@ int register_netdev(struct net_device *d
> void unregister_netdev(struct net_device *dev);
>
> /* General hardware address lists handling functions */
> -int __hw_addr_add_multiple(struct netdev_hw_addr_list *to_list,
> - struct netdev_hw_addr_list *from_list,
> - int addr_len, unsigned char addr_type);
> -void __hw_addr_del_multiple(struct netdev_hw_addr_list *to_list,
> - struct netdev_hw_addr_list *from_list,
> - int addr_len, unsigned char addr_type);
> int __hw_addr_sync(struct netdev_hw_addr_list *to_list,
> struct netdev_hw_addr_list *from_list, int addr_len);
> void __hw_addr_unsync(struct netdev_hw_addr_list *to_list,
> struct netdev_hw_addr_list *from_list, int addr_len);
> -void __hw_addr_flush(struct netdev_hw_addr_list *list);
> void __hw_addr_init(struct netdev_hw_addr_list *list);
>
> /* Functions used for device addresses handling */
> @@ -2828,10 +2821,6 @@ int dev_addr_add(struct net_device *dev,
> unsigned char addr_type);
> int dev_addr_del(struct net_device *dev, const unsigned char *addr,
> unsigned char addr_type);
> -int dev_addr_add_multiple(struct net_device *to_dev,
> - struct net_device *from_dev, unsigned char addr_type);
> -int dev_addr_del_multiple(struct net_device *to_dev,
> - struct net_device *from_dev, unsigned char addr_type);
> void dev_addr_flush(struct net_device *dev);
> int dev_addr_init(struct net_device *dev);
>
> --- a/net/core/dev_addr_lists.c 2013-12-13 12:31:44.042151781 -0800
> +++ b/net/core/dev_addr_lists.c 2013-12-13 12:32:01.117841519 -0800
> @@ -186,47 +186,6 @@ static int __hw_addr_sync_multiple(struc
> return err;
> }
>
> -int __hw_addr_add_multiple(struct netdev_hw_addr_list *to_list,
> - struct netdev_hw_addr_list *from_list,
> - int addr_len, unsigned char addr_type)
> -{
> - int err;
> - struct netdev_hw_addr *ha, *ha2;
> - unsigned char type;
> -
> - list_for_each_entry(ha, &from_list->list, list) {
> - type = addr_type ? addr_type : ha->type;
> - err = __hw_addr_add(to_list, ha->addr, addr_len, type);
> - if (err)
> - goto unroll;
> - }
> - return 0;
> -
> -unroll:
> - list_for_each_entry(ha2, &from_list->list, list) {
> - if (ha2 == ha)
> - break;
> - type = addr_type ? addr_type : ha2->type;
> - __hw_addr_del(to_list, ha2->addr, addr_len, type);
> - }
> - return err;
> -}
> -EXPORT_SYMBOL(__hw_addr_add_multiple);
> -
> -void __hw_addr_del_multiple(struct netdev_hw_addr_list *to_list,
> - struct netdev_hw_addr_list *from_list,
> - int addr_len, unsigned char addr_type)
> -{
> - struct netdev_hw_addr *ha;
> - unsigned char type;
> -
> - list_for_each_entry(ha, &from_list->list, list) {
> - type = addr_type ? addr_type : ha->type;
> - __hw_addr_del(to_list, ha->addr, addr_len, type);
> - }
> -}
> -EXPORT_SYMBOL(__hw_addr_del_multiple);
> -
> /* This function only works where there is a strict 1-1 relationship
> * between source and destionation of they synch. If you ever need to
> * sync addresses to more then 1 destination, you need to use
> @@ -264,7 +223,7 @@ void __hw_addr_unsync(struct netdev_hw_a
> }
> EXPORT_SYMBOL(__hw_addr_unsync);
>
> -void __hw_addr_flush(struct netdev_hw_addr_list *list)
> +static void __hw_addr_flush(struct netdev_hw_addr_list *list)
> {
> struct netdev_hw_addr *ha, *tmp;
>
> @@ -274,7 +233,6 @@ void __hw_addr_flush(struct netdev_hw_ad
> }
> list->count = 0;
> }
> -EXPORT_SYMBOL(__hw_addr_flush);
>
> void __hw_addr_init(struct netdev_hw_addr_list *list)
> {
> @@ -400,59 +358,6 @@ int dev_addr_del(struct net_device *dev,
> }
> EXPORT_SYMBOL(dev_addr_del);
>
> -/**
> - * dev_addr_add_multiple - Add device addresses from another device
> - * @to_dev: device to which addresses will be added
> - * @from_dev: device from which addresses will be added
> - * @addr_type: address type - 0 means type will be used from from_dev
> - *
> - * Add device addresses of the one device to another.
> - **
> - * The caller must hold the rtnl_mutex.
> - */
> -int dev_addr_add_multiple(struct net_device *to_dev,
> - struct net_device *from_dev,
> - unsigned char addr_type)
> -{
> - int err;
> -
> - ASSERT_RTNL();
> -
> - if (from_dev->addr_len != to_dev->addr_len)
> - return -EINVAL;
> - err = __hw_addr_add_multiple(&to_dev->dev_addrs, &from_dev->dev_addrs,
> - to_dev->addr_len, addr_type);
> - if (!err)
> - call_netdevice_notifiers(NETDEV_CHANGEADDR, to_dev);
> - return err;
> -}
> -EXPORT_SYMBOL(dev_addr_add_multiple);
> -
> -/**
> - * dev_addr_del_multiple - Delete device addresses by another device
> - * @to_dev: device where the addresses will be deleted
> - * @from_dev: device supplying the addresses to be deleted
> - * @addr_type: address type - 0 means type will be used from from_dev
> - *
> - * Deletes addresses in to device by the list of addresses in from device.
> - *
> - * The caller must hold the rtnl_mutex.
> - */
> -int dev_addr_del_multiple(struct net_device *to_dev,
> - struct net_device *from_dev,
> - unsigned char addr_type)
> -{
> - ASSERT_RTNL();
> -
> - if (from_dev->addr_len != to_dev->addr_len)
> - return -EINVAL;
> - __hw_addr_del_multiple(&to_dev->dev_addrs, &from_dev->dev_addrs,
> - to_dev->addr_len, addr_type);
> - call_netdevice_notifiers(NETDEV_CHANGEADDR, to_dev);
> - return 0;
> -}
> -EXPORT_SYMBOL(dev_addr_del_multiple);
> -
> /*
> * Unicast list handling functions
> */
> --
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