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net: Remove all_adj_list and its references

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Only direct adjacencies are maintained. All upper or lower devices can
be learned via the new walk API which recursively walks the adj_list for
upper devices or lower devices.

Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David Ahern 2016-10-17 19:15:51 -07:00 • committed by David S. Miller
parent cf2d67408b
commit f1170fd462
2 changed files with 18 additions and 230 deletions
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25
include/linux/netdevice.h
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@ -1456,7 +1456,6 @@ enum netdev_priv_flags {
* @ptype_specific: Device-specific, protocol-specific packet handlers
*
* @adj_list: Directly linked devices, like slaves for bonding
* @all_adj_list: All linked devices, *including* neighbours
* @features: Currently active device features
* @hw_features: User-changeable features
*
@ -1675,11 +1674,6 @@ struct net_device {
struct list_head lower;
} adj_list;
struct {
struct list_head upper;
struct list_head lower;
} all_adj_list;
netdev_features_t features;
netdev_features_t hw_features;
netdev_features_t wanted_features;
@ -3771,13 +3765,6 @@ struct net_device *netdev_all_upper_get_next_dev_rcu(struct net_device *dev,
updev; \
updev = netdev_upper_get_next_dev_rcu(dev, &(iter)))
/* iterate through upper list, must be called under RCU read lock */
#define netdev_for_each_all_upper_dev_rcu(dev, updev, iter) \
for (iter = &(dev)->all_adj_list.upper, \
updev = netdev_all_upper_get_next_dev_rcu(dev, &(iter)); \
updev; \
updev = netdev_all_upper_get_next_dev_rcu(dev, &(iter)))
int netdev_walk_all_upper_dev_rcu(struct net_device *dev,
int (*fn)(struct net_device *upper_dev,
void *data),
@ -3817,18 +3804,6 @@ struct net_device *netdev_all_lower_get_next(struct net_device *dev,
struct net_device *netdev_all_lower_get_next_rcu(struct net_device *dev,
struct list_head **iter);
#define netdev_for_each_all_lower_dev(dev, ldev, iter) \
for (iter = (dev)->all_adj_list.lower.next, \
ldev = netdev_all_lower_get_next(dev, &(iter)); \
ldev; \
ldev = netdev_all_lower_get_next(dev, &(iter)))
#define netdev_for_each_all_lower_dev_rcu(dev, ldev, iter) \
for (iter = (dev)->all_adj_list.lower.next, \
ldev = netdev_all_lower_get_next_rcu(dev, &(iter)); \
ldev; \
ldev = netdev_all_lower_get_next_rcu(dev, &(iter)))
int netdev_walk_all_lower_dev(struct net_device *dev,
int (*fn)(struct net_device *lower_dev,
void *data),