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authorArvid Brodin <arvid.brodin@alten.se>2014-07-04 23:38:05 +0200
committerDavid S. Miller <davem@davemloft.net>2014-07-08 11:35:31 -0700
commitc5a7591172100269e426cf630da0f2dc8138a206 (patch)
tree1b77a7c8bf531b24d227e165bd10ab15bb9c0680 /net/hsr/hsr_slave.h
parent51f3c605318b056ac5deb9079bbef2a976558827 (diff)
net/hsr: Use list_head (and rcu) instead of array for slave devices.
Signed-off-by: Arvid Brodin <arvid.brodin@alten.se> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/hsr/hsr_slave.h')
-rw-r--r--net/hsr/hsr_slave.h29
1 files changed, 27 insertions, 2 deletions
diff --git a/net/hsr/hsr_slave.h b/net/hsr/hsr_slave.h
index 03c15fda39a8..3055022eddb3 100644
--- a/net/hsr/hsr_slave.h
+++ b/net/hsr/hsr_slave.h
@@ -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 */