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Diffstat (limited to 'drivers/net/bonding/bonding.h')
-rw-r--r--drivers/net/bonding/bonding.h112
1 files changed, 84 insertions, 28 deletions
diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h
index 31fe980e4e2..90736cb4d97 100644
--- a/drivers/net/bonding/bonding.h
+++ b/drivers/net/bonding/bonding.h
@@ -20,6 +20,7 @@
#include <linux/if_bonding.h>
#include <linux/cpumask.h>
#include <linux/in6.h>
+#include <linux/netpoll.h>
#include "bond_3ad.h"
#include "bond_alb.h"
@@ -28,6 +29,8 @@
#define DRV_NAME "bonding"
#define DRV_DESCRIPTION "Ethernet Channel Bonding Driver"
+#define bond_version DRV_DESCRIPTION ": v" DRV_VERSION " (" DRV_RELDATE ")\n"
+
#define BOND_MAX_ARP_TARGETS 16
#define IS_UP(dev) \
@@ -52,7 +55,7 @@
(((slave)->dev->flags & IFF_UP) && \
netif_running((slave)->dev) && \
((slave)->link == BOND_LINK_UP) && \
- ((slave)->state == BOND_STATE_ACTIVE))
+ bond_is_active_slave(slave))
#define USES_PRIMARY(mode) \
@@ -132,7 +135,7 @@ static inline void unblock_netpoll_tx(void)
static inline int is_netpoll_tx_blocked(struct net_device *dev)
{
- if (unlikely(dev->priv_flags & IFF_IN_NETPOLL))
+ if (unlikely(netpoll_tx_running(dev)))
return atomic_read(&netpoll_block_tx);
return 0;
}
@@ -184,12 +187,15 @@ struct slave {
struct net_device *dev; /* first - useful for panic debug */
struct slave *next;
struct slave *prev;
+ struct bonding *bond; /* our master */
int delay;
unsigned long jiffies;
unsigned long last_arp_rx;
s8 link; /* one of BOND_LINK_XXXX */
s8 new_link;
- s8 state; /* one of BOND_STATE_XXXX */
+ u8 backup:1, /* indicates backup slave. Value corresponds with
+ BOND_STATE_ACTIVE and BOND_STATE_BACKUP */
+ inactive:1; /* indicates inactive slave */
u32 original_mtu;
u32 link_failure_count;
u8 perm_hwaddr[ETH_ALEN];
@@ -198,6 +204,9 @@ struct slave {
u16 queue_id;
struct ad_slave_info ad_info; /* HUGE - better to dynamically alloc */
struct tlb_slave_info tlb_info;
+#ifdef CONFIG_NET_POLL_CONTROLLER
+ struct netpoll *np;
+#endif
};
/*
@@ -260,12 +269,16 @@ struct bonding {
#endif /* CONFIG_DEBUG_FS */
};
+#define bond_slave_get_rcu(dev) \
+ ((struct slave *) rcu_dereference(dev->rx_handler_data))
+
/**
* Returns NULL if the net_device does not belong to any of the bond's slaves
*
* Caller must hold bond lock for read
*/
-static inline struct slave *bond_get_slave_by_dev(struct bonding *bond, struct net_device *slave_dev)
+static inline struct slave *bond_get_slave_by_dev(struct bonding *bond,
+ struct net_device *slave_dev)
{
struct slave *slave = NULL;
int i;
@@ -276,7 +289,7 @@ static inline struct slave *bond_get_slave_by_dev(struct bonding *bond, struct n
}
}
- return 0;
+ return NULL;
}
static inline struct bonding *bond_get_bond_by_slave(struct slave *slave)
@@ -294,6 +307,26 @@ static inline bool bond_is_lb(const struct bonding *bond)
bond->params.mode == BOND_MODE_ALB);
}
+static inline void bond_set_active_slave(struct slave *slave)
+{
+ slave->backup = 0;
+}
+
+static inline void bond_set_backup_slave(struct slave *slave)
+{
+ slave->backup = 1;
+}
+
+static inline int bond_slave_state(struct slave *slave)
+{
+ return slave->backup;
+}
+
+static inline bool bond_is_active_slave(struct slave *slave)
+{
+ return !bond_slave_state(slave);
+}
+
#define BOND_PRI_RESELECT_ALWAYS 0
#define BOND_PRI_RESELECT_BETTER 1
#define BOND_PRI_RESELECT_FAILURE 2
@@ -311,7 +344,7 @@ static inline bool bond_is_lb(const struct bonding *bond)
static inline int slave_do_arp_validate(struct bonding *bond,
struct slave *slave)
{
- return bond->params.arp_validate & (1 << slave->state);
+ return bond->params.arp_validate & (1 << bond_slave_state(slave));
}
static inline unsigned long slave_last_rx(struct bonding *bond,
@@ -323,41 +356,40 @@ static inline unsigned long slave_last_rx(struct bonding *bond,
return slave->dev->last_rx;
}
-static inline void bond_set_slave_inactive_flags(struct slave *slave)
+#ifdef CONFIG_NET_POLL_CONTROLLER
+static inline void bond_netpoll_send_skb(const struct slave *slave,
+ struct sk_buff *skb)
{
- struct bonding *bond = netdev_priv(slave->dev->master);
- if (!bond_is_lb(bond))
- slave->state = BOND_STATE_BACKUP;
- if (!bond->params.all_slaves_active)
- slave->dev->priv_flags |= IFF_SLAVE_INACTIVE;
- if (slave_do_arp_validate(bond, slave))
- slave->dev->priv_flags |= IFF_SLAVE_NEEDARP;
-}
+ struct netpoll *np = slave->np;
-static inline void bond_set_slave_active_flags(struct slave *slave)
-{
- slave->state = BOND_STATE_ACTIVE;
- slave->dev->priv_flags &= ~(IFF_SLAVE_INACTIVE | IFF_SLAVE_NEEDARP);
+ if (np)
+ netpoll_send_skb(np, skb);
}
-
-static inline void bond_set_master_3ad_flags(struct bonding *bond)
+#else
+static inline void bond_netpoll_send_skb(const struct slave *slave,
+ struct sk_buff *skb)
{
- bond->dev->priv_flags |= IFF_MASTER_8023AD;
}
+#endif
-static inline void bond_unset_master_3ad_flags(struct bonding *bond)
+static inline void bond_set_slave_inactive_flags(struct slave *slave)
{
- bond->dev->priv_flags &= ~IFF_MASTER_8023AD;
+ struct bonding *bond = netdev_priv(slave->dev->master);
+ if (!bond_is_lb(bond))
+ bond_set_backup_slave(slave);
+ if (!bond->params.all_slaves_active)
+ slave->inactive = 1;
}
-static inline void bond_set_master_alb_flags(struct bonding *bond)
+static inline void bond_set_slave_active_flags(struct slave *slave)
{
- bond->dev->priv_flags |= IFF_MASTER_ALB;
+ bond_set_active_slave(slave);
+ slave->inactive = 0;
}
-static inline void bond_unset_master_alb_flags(struct bonding *bond)
+static inline bool bond_is_slave_inactive(struct slave *slave)
{
- bond->dev->priv_flags &= ~IFF_MASTER_ALB;
+ return slave->inactive;
}
struct vlan_entry *bond_next_vlan(struct bonding *bond, struct vlan_entry *curr);
@@ -393,6 +425,30 @@ struct bond_net {
#endif
};
+#ifdef CONFIG_PROC_FS
+void bond_create_proc_entry(struct bonding *bond);
+void bond_remove_proc_entry(struct bonding *bond);
+void bond_create_proc_dir(struct bond_net *bn);
+void bond_destroy_proc_dir(struct bond_net *bn);
+#else
+static inline void bond_create_proc_entry(struct bonding *bond)
+{
+}
+
+static inline void bond_remove_proc_entry(struct bonding *bond)
+{
+}
+
+static inline void bond_create_proc_dir(struct bond_net *bn)
+{
+}
+
+static inline void bond_destroy_proc_dir(struct bond_net *bn)
+{
+}
+#endif
+
+
/* exported from bond_main.c */
extern int bond_net_id;
extern const struct bond_parm_tbl bond_lacp_tbl[];
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-18 02:02:56 +0000