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net: group address list and its count

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This patch is inspired by patch recently posted by Johannes Berg. Basically what
my patch does is to group list and a count of addresses into newly introduced
structure netdev_hw_addr_list. This brings us two benefits:
1) struct net_device becames a bit nicer.
2) in the future there will be a possibility to operate with lists independently
   on netdevices (with exporting right functions).
I wanted to introduce this patch before I'll post a multicast lists conversion.

Signed-off-by: Jiri Pirko <jpirko@redhat.com>

 drivers/net/bnx2.c              |    4 +-
 drivers/net/e1000/e1000_main.c  |    4 +-
 drivers/net/ixgbe/ixgbe_main.c  |    6 +-
 drivers/net/mv643xx_eth.c       |    2 +-
 drivers/net/niu.c               |    4 +-
 drivers/net/virtio_net.c        |   10 ++--
 drivers/s390/net/qeth_l2_main.c |    2 +-
 include/linux/netdevice.h       |   17 +++--
 net/core/dev.c                  |  130 ++++++++++++++++++--------------------
 9 files changed, 89 insertions(+), 90 deletions(-)
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko
2009-06-17 01:12:19 +00:00
committed by David S. Miller
parent 7b85576d15
commit 31278e7147
9 changed files with 89 additions and 90 deletions
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17
include/linux/netdevice.h
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@@ -224,6 +224,11 @@ struct netdev_hw_addr {
struct rcu_head rcu_head;
};
struct netdev_hw_addr_list {
struct list_head list;
int count;
};
struct hh_cache
{
struct hh_cache *hh_next; /* Next entry */
@@ -776,9 +781,8 @@ struct net_device
unsigned char addr_len; /* hardware address length */
unsigned short dev_id; /* for shared network cards */
struct list_head uc_list; /* Secondary unicast mac
addresses */
int uc_count; /* Number of installed ucasts */
struct netdev_hw_addr_list uc; /* Secondary unicast
mac addresses */
int uc_promisc;
spinlock_t addr_list_lock;
struct dev_addr_list *mc_list; /* Multicast mac addresses */
@@ -810,7 +814,8 @@ struct net_device
because most packets are
unicast) */
struct list_head dev_addr_list; /* list of device hw addresses */
struct netdev_hw_addr_list dev_addrs; /* list of device
hw addresses */
unsigned char broadcast[MAX_ADDR_LEN]; /* hw bcast add */
@@ -1806,11 +1811,11 @@ static inline void netif_addr_unlock_bh(struct net_device *dev)
}
/*
* dev_addr_list walker. Should be used only for read access. Call with
* dev_addrs walker. Should be used only for read access. Call with
* rcu_read_lock held.
*/
#define for_each_dev_addr(dev, ha) \
list_for_each_entry_rcu(ha, &dev->dev_addr_list, list)
list_for_each_entry_rcu(ha, &dev->dev_addrs.list, list)
/* These functions live elsewhere (drivers/net/net_init.c, but related) */