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net/hsr: Use list_head (and rcu) instead of array for slave devices.

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Signed-off-by: Arvid Brodin <arvid.brodin@alten.se>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arvid Brodin
2014-07-04 23:38:05 +02:00
committed by David S. Miller
parent 51f3c60531
commit c5a7591172
9 changed files with 439 additions and 406 deletions
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29
net/hsr/hsr_slave.h
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@@ -14,10 +14,35 @@
#include <linux/skbuff.h>
#include <linux/netdevice.h>
#include <linux/rtnetlink.h>
#include "hsr_main.h"
int hsr_add_slave(struct hsr_priv *hsr, struct net_device *dev, int idx);
void hsr_del_slave(struct hsr_priv *hsr, int idx);
int hsr_add_port(struct hsr_priv *hsr, struct net_device *dev,
enum hsr_port_type pt);
void hsr_del_port(struct hsr_port *port);
rx_handler_result_t hsr_handle_frame(struct sk_buff **pskb);
#define hsr_for_each_port(hsr, port) \
list_for_each_entry_rcu((port), &(hsr)->ports, port_list)
static inline bool hsr_port_exists(const struct net_device *dev)
{
return dev->rx_handler == hsr_handle_frame;
}
static inline struct hsr_port *hsr_port_get_rtnl(const struct net_device *dev)
{
ASSERT_RTNL();
return hsr_port_exists(dev) ?
rtnl_dereference(dev->rx_handler_data) : NULL;
}
static inline struct hsr_port *hsr_port_get_rcu(const struct net_device *dev)
{
return hsr_port_exists(dev) ?
rcu_dereference(dev->rx_handler_data) : NULL;
}
#endif /* __HSR_SLAVE_H */