bonding: add the debugfs facility to the bonding driver

[mirror_ubuntu-artful-kernel.git] / drivers / net / bonding / bonding.h

diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h
index c6fdd851579a77c953d259de7611c4298fec824f..03710f8f5c49a790bfb2e4ad207b76f5ad6b989e 100644 (file)
--- a/drivers/net/bonding/bonding.h
+++ b/drivers/net/bonding/bonding.h
@@ -19,6 +19,7 @@
 #include <linux/proc_fs.h>
 #include <linux/if_bonding.h>
 #include <linux/kobject.h>
+#include <linux/cpumask.h>
 #include <linux/in6.h>
 #include "bond_3ad.h"
 #include "bond_alb.h"
@@ -117,6 +118,35 @@
                bond_for_each_slave_from(bond, pos, cnt, (bond)->first_slave)
 
 
+#ifdef CONFIG_NET_POLL_CONTROLLER
+extern cpumask_var_t netpoll_block_tx;
+
+static inline void block_netpoll_tx(void)
+{
+       preempt_disable();
+       BUG_ON(cpumask_test_and_set_cpu(smp_processor_id(),
+                                       netpoll_block_tx));
+}
+
+static inline void unblock_netpoll_tx(void)
+{
+       BUG_ON(!cpumask_test_and_clear_cpu(smp_processor_id(),
+                                          netpoll_block_tx));
+       preempt_enable();
+}
+
+static inline int is_netpoll_tx_blocked(struct net_device *dev)
+{
+       if (unlikely(dev->priv_flags & IFF_IN_NETPOLL))
+               return cpumask_test_cpu(smp_processor_id(), netpoll_block_tx);
+       return 0;
+}
+#else
+#define block_netpoll_tx()
+#define unblock_netpoll_tx()
+#define is_netpoll_tx_blocked(dev) (0)
+#endif
+
 struct bond_params {
        int mode;
        int xmit_policy;
@@ -136,6 +166,7 @@ struct bond_params {
        __be32 arp_targets[BOND_MAX_ARP_TARGETS];
        int tx_queues;
        int all_slaves_active;
+       int resend_igmp;
 };
 
 struct bond_parm_tbl {
@@ -202,6 +233,7 @@ struct bonding {
        s8       send_grat_arp;
        s8       send_unsol_na;
        s8       setup_by_slave;
+       s8       igmp_retrans;
 #ifdef CONFIG_PROC_FS
        struct   proc_dir_entry *proc_entry;
        char     proc_file_name[IFNAMSIZ];
@@ -223,9 +255,14 @@ struct bonding {
        struct   delayed_work arp_work;
        struct   delayed_work alb_work;
        struct   delayed_work ad_work;
+       struct   delayed_work mcast_work;
 #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
        struct   in6_addr master_ipv6;
 #endif
+#ifdef CONFIG_DEBUG_FS
+       /* debugging suport via debugfs */
+       struct   dentry *debug_dir;
+#endif /* CONFIG_DEBUG_FS */
 };
 
 /**
@@ -253,7 +290,7 @@ static inline struct bonding *bond_get_bond_by_slave(struct slave *slave)
                return NULL;
        }
 
-       return (struct bonding *)netdev_priv(slave->dev->master);
+       return netdev_priv(slave->dev->master);
 }
 
 static inline bool bond_is_lb(const struct bonding *bond)
@@ -331,7 +368,6 @@ static inline void bond_unset_master_alb_flags(struct bonding *bond)
 struct vlan_entry *bond_next_vlan(struct bonding *bond, struct vlan_entry *curr);
 int bond_dev_queue_xmit(struct bonding *bond, struct sk_buff *skb, struct net_device *slave_dev);
 int bond_create(struct net *net, const char *name);
-int  bond_release_and_destroy(struct net_device *bond_dev, struct net_device *slave_dev);
 int bond_create_sysfs(void);
 void bond_destroy_sysfs(void);
 void bond_prepare_sysfs_group(struct bonding *bond);
@@ -348,6 +384,11 @@ void bond_select_active_slave(struct bonding *bond);
 void bond_change_active_slave(struct bonding *bond, struct slave *new_active);
 void bond_register_arp(struct bonding *);
 void bond_unregister_arp(struct bonding *);
+void bond_create_debugfs(void);
+void bond_destroy_debugfs(void);
+void bond_debug_register(struct bonding *bond);
+void bond_debug_unregister(struct bonding *bond);
+void bond_debug_reregister(struct bonding *bond);
 
 struct bond_net {
        struct net *            net;    /* Associated network namespace */