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path: root/drivers/infiniband/ulp/ipoib/ipoib.h
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Diffstat (limited to 'drivers/infiniband/ulp/ipoib/ipoib.h')
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib.h87
1 files changed, 64 insertions, 23 deletions
diff --git a/drivers/infiniband/ulp/ipoib/ipoib.h b/drivers/infiniband/ulp/ipoib/ipoib.h
index 86df632ea61..c639f90cfda 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib.h
+++ b/drivers/infiniband/ulp/ipoib/ipoib.h
@@ -92,6 +92,8 @@ enum {
IPOIB_STOP_REAPER = 7,
IPOIB_FLAG_ADMIN_CM = 9,
IPOIB_FLAG_UMCAST = 10,
+ IPOIB_STOP_NEIGH_GC = 11,
+ IPOIB_NEIGH_TBL_FLUSH = 12,
IPOIB_MAX_BACKOFF_SECONDS = 16,
@@ -99,9 +101,14 @@ enum {
IPOIB_MCAST_FLAG_SENDONLY = 1,
IPOIB_MCAST_FLAG_BUSY = 2, /* joining or already joined */
IPOIB_MCAST_FLAG_ATTACHED = 3,
+ IPOIB_MCAST_JOIN_STARTED = 4,
MAX_SEND_CQE = 16,
IPOIB_CM_COPYBREAK = 256,
+
+ IPOIB_NON_CHILD = 0,
+ IPOIB_LEGACY_CHILD = 1,
+ IPOIB_RTNL_CHILD = 2,
};
#define IPOIB_OP_RECV (1ul << 31)
@@ -111,6 +118,8 @@ enum {
#define IPOIB_OP_CM (0)
#endif
+#define IPOIB_QPN_MASK ((__force u32) cpu_to_be32(0xFFFFFF))
+
/* structs */
struct ipoib_header {
@@ -143,6 +152,7 @@ struct ipoib_mcast {
struct sk_buff_head pkt_queue;
struct net_device *dev;
+ struct completion done;
};
struct ipoib_rx_buf {
@@ -260,6 +270,23 @@ struct ipoib_ethtool_st {
u16 max_coalesced_frames;
};
+struct ipoib_neigh_table;
+
+struct ipoib_neigh_hash {
+ struct ipoib_neigh_table *ntbl;
+ struct ipoib_neigh __rcu **buckets;
+ struct rcu_head rcu;
+ u32 mask;
+ u32 size;
+};
+
+struct ipoib_neigh_table {
+ struct ipoib_neigh_hash __rcu *htbl;
+ atomic_t entries;
+ struct completion flushed;
+ struct completion deleted;
+};
+
/*
* Device private locking: network stack tx_lock protects members used
* in TX fast path, lock protects everything else. lock nests inside
@@ -274,11 +301,13 @@ struct ipoib_dev_priv {
unsigned long flags;
- struct mutex vlan_mutex;
+ struct rw_semaphore vlan_rwsem;
struct rb_root path_tree;
struct list_head path_list;
+ struct ipoib_neigh_table ntbl;
+
struct ipoib_mcast *broadcast;
struct list_head multicast_list;
struct rb_root multicast_tree;
@@ -291,7 +320,7 @@ struct ipoib_dev_priv {
struct work_struct flush_heavy;
struct work_struct restart_task;
struct delayed_work ah_reap_task;
-
+ struct delayed_work neigh_reap_task;
struct ib_device *ca;
u8 port;
u16 pkey;
@@ -332,6 +361,7 @@ struct ipoib_dev_priv {
struct net_device *parent;
struct list_head child_intfs;
struct list_head list;
+ int child_type;
#ifdef CONFIG_INFINIBAND_IPOIB_CM
struct ipoib_cm_dev_priv cm;
@@ -377,13 +407,16 @@ struct ipoib_neigh {
#ifdef CONFIG_INFINIBAND_IPOIB_CM
struct ipoib_cm_tx *cm;
#endif
- union ib_gid dgid;
+ u8 daddr[INFINIBAND_ALEN];
struct sk_buff_head queue;
- struct neighbour *neighbour;
struct net_device *dev;
struct list_head list;
+ struct ipoib_neigh __rcu *hnext;
+ struct rcu_head rcu;
+ atomic_t refcnt;
+ unsigned long alive;
};
#define IPOIB_UD_MTU(ib_mtu) (ib_mtu - IPOIB_ENCAP_LEN)
@@ -394,21 +427,17 @@ static inline int ipoib_ud_need_sg(unsigned int ib_mtu)
return IPOIB_UD_BUF_SIZE(ib_mtu) > PAGE_SIZE;
}
-/*
- * We stash a pointer to our private neighbour information after our
- * hardware address in neigh->ha. The ALIGN() expression here makes
- * sure that this pointer is stored aligned so that an unaligned
- * load is not needed to dereference it.
- */
-static inline struct ipoib_neigh **to_ipoib_neigh(struct neighbour *neigh)
+void ipoib_neigh_dtor(struct ipoib_neigh *neigh);
+static inline void ipoib_neigh_put(struct ipoib_neigh *neigh)
{
- return (void*) neigh + ALIGN(offsetof(struct neighbour, ha) +
- INFINIBAND_ALEN, sizeof(void *));
+ if (atomic_dec_and_test(&neigh->refcnt))
+ ipoib_neigh_dtor(neigh);
}
-
-struct ipoib_neigh *ipoib_neigh_alloc(struct neighbour *neigh,
+struct ipoib_neigh *ipoib_neigh_get(struct net_device *dev, u8 *daddr);
+struct ipoib_neigh *ipoib_neigh_alloc(u8 *daddr,
struct net_device *dev);
-void ipoib_neigh_free(struct net_device *dev, struct ipoib_neigh *neigh);
+void ipoib_neigh_free(struct ipoib_neigh *neigh);
+void ipoib_del_neighs_by_gid(struct net_device *dev, u8 *gid);
extern struct workqueue_struct *ipoib_workqueue;
@@ -425,7 +454,6 @@ static inline void ipoib_put_ah(struct ipoib_ah *ah)
{
kref_put(&ah->ref, ipoib_free_ah);
}
-
int ipoib_open(struct net_device *dev);
int ipoib_add_pkey_attr(struct net_device *dev);
int ipoib_add_umcast_attr(struct net_device *dev);
@@ -455,7 +483,7 @@ void ipoib_dev_cleanup(struct net_device *dev);
void ipoib_mcast_join_task(struct work_struct *work);
void ipoib_mcast_carrier_on_task(struct work_struct *work);
-void ipoib_mcast_send(struct net_device *dev, void *mgid, struct sk_buff *skb);
+void ipoib_mcast_send(struct net_device *dev, u8 *daddr, struct sk_buff *skb);
void ipoib_mcast_restart_task(struct work_struct *work);
int ipoib_mcast_start_thread(struct net_device *dev);
@@ -493,6 +521,17 @@ void ipoib_event(struct ib_event_handler *handler,
int ipoib_vlan_add(struct net_device *pdev, unsigned short pkey);
int ipoib_vlan_delete(struct net_device *pdev, unsigned short pkey);
+int __ipoib_vlan_add(struct ipoib_dev_priv *ppriv, struct ipoib_dev_priv *priv,
+ u16 pkey, int child_type);
+
+int __init ipoib_netlink_init(void);
+void __exit ipoib_netlink_fini(void);
+
+void ipoib_set_umcast(struct net_device *ndev, int umcast_val);
+int ipoib_set_mode(struct net_device *dev, const char *buf);
+
+void ipoib_setup(struct net_device *dev);
+
void ipoib_pkey_poll(struct work_struct *work);
int ipoib_pkey_dev_delay_open(struct net_device *dev);
void ipoib_drain_cq(struct net_device *dev);
@@ -500,14 +539,14 @@ void ipoib_drain_cq(struct net_device *dev);
void ipoib_set_ethtool_ops(struct net_device *dev);
int ipoib_set_dev_features(struct ipoib_dev_priv *priv, struct ib_device *hca);
-#ifdef CONFIG_INFINIBAND_IPOIB_CM
-
#define IPOIB_FLAGS_RC 0x80
#define IPOIB_FLAGS_UC 0x40
/* We don't support UC connections at the moment */
#define IPOIB_CM_SUPPORTED(ha) (ha[0] & (IPOIB_FLAGS_RC))
+#ifdef CONFIG_INFINIBAND_IPOIB_CM
+
extern int ipoib_max_conn_qp;
static inline int ipoib_cm_admin_enabled(struct net_device *dev)
@@ -517,10 +556,10 @@ static inline int ipoib_cm_admin_enabled(struct net_device *dev)
test_bit(IPOIB_FLAG_ADMIN_CM, &priv->flags);
}
-static inline int ipoib_cm_enabled(struct net_device *dev, struct neighbour *n)
+static inline int ipoib_cm_enabled(struct net_device *dev, u8 *hwaddr)
{
struct ipoib_dev_priv *priv = netdev_priv(dev);
- return IPOIB_CM_SUPPORTED(n->ha) &&
+ return IPOIB_CM_SUPPORTED(hwaddr) &&
test_bit(IPOIB_FLAG_ADMIN_CM, &priv->flags);
}
@@ -575,7 +614,7 @@ static inline int ipoib_cm_admin_enabled(struct net_device *dev)
{
return 0;
}
-static inline int ipoib_cm_enabled(struct net_device *dev, struct neighbour *n)
+static inline int ipoib_cm_enabled(struct net_device *dev, u8 *hwaddr)
{
return 0;
@@ -725,4 +764,6 @@ extern int ipoib_debug_level;
#define IPOIB_QPN(ha) (be32_to_cpup((__be32 *) ha) & 0xffffff)
+extern const char ipoib_driver_version[];
+
#endif /* _IPOIB_H */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-10 16:12:14 +0000