drivers/infiniband/ulp/ipoib/ipoib.h - arm/linux - Git at Google


            
            /*

            
             * Copyright (c) 2004, 2005 Topspin Communications.  All rights reserved.

            
             * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.

            
             * Copyright (c) 2004 Voltaire, Inc. All rights reserved.

            
             *

            
             * This software is available to you under a choice of one of two

            
             * licenses.  You may choose to be licensed under the terms of the GNU

            
             * General Public License (GPL) Version 2, available from the file

            
             * COPYING in the main directory of this source tree, or the

            
             * OpenIB.org BSD license below:

            
             *

            
             *     Redistribution and use in source and binary forms, with or

            
             *     without modification, are permitted provided that the following

            
             *     conditions are met:

            
             *

            
             *      - Redistributions of source code must retain the above

            
             *        copyright notice, this list of conditions and the following

            
             *        disclaimer.

            
             *

            
             *      - Redistributions in binary form must reproduce the above

            
             *        copyright notice, this list of conditions and the following

            
             *        disclaimer in the documentation and/or other materials

            
             *        provided with the distribution.

            
             *

            
             * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

            
             * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

            
             * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND

            
             * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS

            
             * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN

            
             * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

            
             * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

            
             * SOFTWARE.

            
             *

            
             * $Id: ipoib.h 1358 2004-12-17 22:00:11Z roland $

            
             */


            #ifndef _IPOIB_H

            
            #define _IPOIB_H


            #include <linux/list.h>

            
            #include <linux/skbuff.h>

            
            #include <linux/netdevice.h>

            
            #include <linux/workqueue.h>

            
            #include <linux/pci.h>

            
            #include <linux/kref.h>

            
            #include <linux/if_infiniband.h>

            
            #include <linux/mutex.h>


            #include <net/neighbour.h>


            #include <asm/atomic.h>


            #include <rdma/ib_verbs.h>

            
            #include <rdma/ib_pack.h>

            
            #include <rdma/ib_sa.h>


            /* constants */


            enum {

            
            	IPOIB_PACKET_SIZE         = 2048,

            
            	IPOIB_BUF_SIZE 		  = IPOIB_PACKET_SIZE + IB_GRH_BYTES,


            	IPOIB_ENCAP_LEN 	  = 4,


            	IPOIB_RX_RING_SIZE 	  = 128,

            
            	IPOIB_TX_RING_SIZE 	  = 64,

            
            	IPOIB_MAX_QUEUE_SIZE	  = 8192,

            
            	IPOIB_MIN_QUEUE_SIZE	  = 2,


            	IPOIB_NUM_WC 		  = 4,


            	IPOIB_MAX_PATH_REC_QUEUE  = 3,

            
            	IPOIB_MAX_MCAST_QUEUE     = 3,


            	IPOIB_FLAG_OPER_UP 	  = 0,

            
            	IPOIB_FLAG_INITIALIZED    = 1,

            
            	IPOIB_FLAG_ADMIN_UP 	  = 2,

            
            	IPOIB_PKEY_ASSIGNED 	  = 3,

            
            	IPOIB_PKEY_STOP 	  = 4,

            
            	IPOIB_FLAG_SUBINTERFACE   = 5,

            
            	IPOIB_MCAST_RUN 	  = 6,

            
            	IPOIB_STOP_REAPER         = 7,

            
            	IPOIB_MCAST_STARTED       = 8,


            	IPOIB_MAX_BACKOFF_SECONDS = 16,


            	IPOIB_MCAST_FLAG_FOUND 	  = 0,	/* used in set_multicast_list */

            
            	IPOIB_MCAST_FLAG_SENDONLY = 1,

            
            	IPOIB_MCAST_FLAG_BUSY 	  = 2,	/* joining or already joined */

            
            	IPOIB_MCAST_FLAG_ATTACHED = 3,

            
            };


            /* structs */


            struct ipoib_header {

            
            	__be16	proto;

            
            	u16	reserved;

            
            };


            struct ipoib_pseudoheader {

            
            	u8  hwaddr[INFINIBAND_ALEN];

            
            };


            struct ipoib_mcast;


            struct ipoib_rx_buf {

            
            	struct sk_buff *skb;

            
            	dma_addr_t	mapping;

            
            };


            struct ipoib_tx_buf {

            
            	struct sk_buff *skb;

            
            	DECLARE_PCI_UNMAP_ADDR(mapping)

            
            };


            /*

            
             * Device private locking: tx_lock protects members used in TX fast

            
             * path (and we use LLTX so upper layers don't do extra locking).

            
             * lock protects everything else.  lock nests inside of tx_lock (ie

            
             * tx_lock must be acquired first if needed).

            
             */

            
            struct ipoib_dev_priv {

            
            	spinlock_t lock;


            	struct net_device *dev;


            	unsigned long flags;


            	struct mutex mcast_mutex;

            
            	struct mutex vlan_mutex;


            	struct rb_root  path_tree;

            
            	struct list_head path_list;


            	struct ipoib_mcast *broadcast;

            
            	struct list_head multicast_list;

            
            	struct rb_root multicast_tree;


            	struct work_struct pkey_task;

            
            	struct work_struct mcast_task;

            
            	struct work_struct flush_task;

            
            	struct work_struct restart_task;

            
            	struct work_struct ah_reap_task;


            	struct ib_device *ca;

            
            	u8            	  port;

            
            	u16           	  pkey;

            
            	struct ib_pd  	 *pd;

            
            	struct ib_mr  	 *mr;

            
            	struct ib_cq  	 *cq;

            
            	struct ib_qp  	 *qp;

            
            	u32           	  qkey;


            	union ib_gid local_gid;

            
            	u16          local_lid;

            
            	u8           local_rate;


            	unsigned int admin_mtu;

            
            	unsigned int mcast_mtu;


            	struct ipoib_rx_buf *rx_ring;


            	spinlock_t           tx_lock;

            
            	struct ipoib_tx_buf *tx_ring;

            
            	unsigned             tx_head;

            
            	unsigned             tx_tail;

            
            	struct ib_sge        tx_sge;

            
            	struct ib_send_wr    tx_wr;


            	struct ib_wc ibwc[IPOIB_NUM_WC];


            	struct list_head dead_ahs;


            	struct ib_event_handler event_handler;


            	struct net_device_stats stats;


            	struct net_device *parent;

            
            	struct list_head child_intfs;

            
            	struct list_head list;


            #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG

            
            	struct list_head fs_list;

            
            	struct dentry *mcg_dentry;

            
            	struct dentry *path_dentry;

            
            #endif

            
            };


            struct ipoib_ah {

            
            	struct net_device *dev;

            
            	struct ib_ah      *ah;

            
            	struct list_head   list;

            
            	struct kref        ref;

            
            	unsigned           last_send;

            
            };


            struct ipoib_path {

            
            	struct net_device    *dev;

            
            	struct ib_sa_path_rec pathrec;

            
            	struct ipoib_ah      *ah;

            
            	struct sk_buff_head   queue;


            	struct list_head      neigh_list;


            	int                   query_id;

            
            	struct ib_sa_query   *query;

            
            	struct completion     done;


            	struct rb_node        rb_node;

            
            	struct list_head      list;

            
            };


            struct ipoib_neigh {

            
            	struct ipoib_ah    *ah;

            
            	union ib_gid        dgid;

            
            	struct sk_buff_head queue;


            	struct neighbour   *neighbour;


            	struct list_head    list;

            
            };


            /*

            
             * 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)

            
            {

            
            	return (void*) neigh + ALIGN(offsetof(struct neighbour, ha) +

            
            				     INFINIBAND_ALEN, sizeof(void *));

            
            }


            struct ipoib_neigh *ipoib_neigh_alloc(struct neighbour *neigh);

            
            void ipoib_neigh_free(struct ipoib_neigh *neigh);


            extern struct workqueue_struct *ipoib_workqueue;


            /* functions */


            void ipoib_ib_completion(struct ib_cq *cq, void *dev_ptr);


            struct ipoib_ah *ipoib_create_ah(struct net_device *dev,

            
            				 struct ib_pd *pd, struct ib_ah_attr *attr);

            
            void ipoib_free_ah(struct kref *kref);

            
            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);


            void ipoib_send(struct net_device *dev, struct sk_buff *skb,

            
            		struct ipoib_ah *address, u32 qpn);

            
            void ipoib_reap_ah(void *dev_ptr);


            void ipoib_flush_paths(struct net_device *dev);

            
            struct ipoib_dev_priv *ipoib_intf_alloc(const char *format);


            int ipoib_ib_dev_init(struct net_device *dev, struct ib_device *ca, int port);

            
            void ipoib_ib_dev_flush(void *dev);

            
            void ipoib_ib_dev_cleanup(struct net_device *dev);


            int ipoib_ib_dev_open(struct net_device *dev);

            
            int ipoib_ib_dev_up(struct net_device *dev);

            
            int ipoib_ib_dev_down(struct net_device *dev, int flush);

            
            int ipoib_ib_dev_stop(struct net_device *dev);


            int ipoib_dev_init(struct net_device *dev, struct ib_device *ca, int port);

            
            void ipoib_dev_cleanup(struct net_device *dev);


            void ipoib_mcast_join_task(void *dev_ptr);

            
            void ipoib_mcast_send(struct net_device *dev, void *mgid, struct sk_buff *skb);


            void ipoib_mcast_restart_task(void *dev_ptr);

            
            int ipoib_mcast_start_thread(struct net_device *dev);

            
            int ipoib_mcast_stop_thread(struct net_device *dev, int flush);


            void ipoib_mcast_dev_down(struct net_device *dev);

            
            void ipoib_mcast_dev_flush(struct net_device *dev);


            #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG

            
            struct ipoib_mcast_iter *ipoib_mcast_iter_init(struct net_device *dev);

            
            int ipoib_mcast_iter_next(struct ipoib_mcast_iter *iter);

            
            void ipoib_mcast_iter_read(struct ipoib_mcast_iter *iter,

            
            				  union ib_gid *gid,

            
            				  unsigned long *created,

            
            				  unsigned int *queuelen,

            
            				  unsigned int *complete,

            
            				  unsigned int *send_only);


            struct ipoib_path_iter *ipoib_path_iter_init(struct net_device *dev);

            
            int ipoib_path_iter_next(struct ipoib_path_iter *iter);

            
            void ipoib_path_iter_read(struct ipoib_path_iter *iter,

            
            			  struct ipoib_path *path);

            
            #endif


            int ipoib_mcast_attach(struct net_device *dev, u16 mlid,

            
            		       union ib_gid *mgid);

            
            int ipoib_mcast_detach(struct net_device *dev, u16 mlid,

            
            		       union ib_gid *mgid);


            int ipoib_init_qp(struct net_device *dev);

            
            int ipoib_transport_dev_init(struct net_device *dev, struct ib_device *ca);

            
            void ipoib_transport_dev_cleanup(struct net_device *dev);


            void ipoib_event(struct ib_event_handler *handler,

            
            		 struct ib_event *record);


            int ipoib_vlan_add(struct net_device *pdev, unsigned short pkey);

            
            int ipoib_vlan_delete(struct net_device *pdev, unsigned short pkey);


            void ipoib_pkey_poll(void *dev);

            
            int ipoib_pkey_dev_delay_open(struct net_device *dev);


            #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG

            
            void ipoib_create_debug_files(struct net_device *dev);

            
            void ipoib_delete_debug_files(struct net_device *dev);

            
            int ipoib_register_debugfs(void);

            
            void ipoib_unregister_debugfs(void);

            
            #else

            
            static inline void ipoib_create_debug_files(struct net_device *dev) { }

            
            static inline void ipoib_delete_debug_files(struct net_device *dev) { }

            
            static inline int ipoib_register_debugfs(void) { return 0; }

            
            static inline void ipoib_unregister_debugfs(void) { }

            
            #endif


            #define ipoib_printk(level, priv, format, arg...)	\

            
            	printk(level "%s: " format, ((struct ipoib_dev_priv *) priv)->dev->name , ## arg)

            
            #define ipoib_warn(priv, format, arg...)		\

            
            	ipoib_printk(KERN_WARNING, priv, format , ## arg)


            extern int ipoib_sendq_size;

            
            extern int ipoib_recvq_size;


            extern struct ib_sa_client ipoib_sa_client;


            #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG

            
            extern int ipoib_debug_level;


            #define ipoib_dbg(priv, format, arg...)			\

            
            	do {					        \

            
            		if (ipoib_debug_level > 0)			\

            
            			ipoib_printk(KERN_DEBUG, priv, format , ## arg); \

            
            	} while (0)

            
            #define ipoib_dbg_mcast(priv, format, arg...)		\

            
            	do {					        \

            
            		if (mcast_debug_level > 0)		\

            
            			ipoib_printk(KERN_DEBUG, priv, format , ## arg); \

            
            	} while (0)

            
            #else /* CONFIG_INFINIBAND_IPOIB_DEBUG */

            
            #define ipoib_dbg(priv, format, arg...)			\

            
            	do { (void) (priv); } while (0)

            
            #define ipoib_dbg_mcast(priv, format, arg...)		\

            
            	do { (void) (priv); } while (0)

            
            #endif /* CONFIG_INFINIBAND_IPOIB_DEBUG */


            #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG_DATA

            
            #define ipoib_dbg_data(priv, format, arg...)		\

            
            	do {					        \

            
            		if (data_debug_level > 0)		\

            
            			ipoib_printk(KERN_DEBUG, priv, format , ## arg); \

            
            	} while (0)

            
            #else /* CONFIG_INFINIBAND_IPOIB_DEBUG_DATA */

            
            #define ipoib_dbg_data(priv, format, arg...)		\

            
            	do { (void) (priv); } while (0)

            
            #endif /* CONFIG_INFINIBAND_IPOIB_DEBUG_DATA */


            #define IPOIB_GID_FMT		"%2.2x%2.2x:%2.2x%2.2x:%2.2x%2.2x:%2.2x%2.2x:" \

            
            				"%2.2x%2.2x:%2.2x%2.2x:%2.2x%2.2x:%2.2x%2.2x"


            #define IPOIB_GID_RAW_ARG(gid)	((u8 *)(gid))[0], \

            
            				((u8 *)(gid))[1], \

            
            				((u8 *)(gid))[2], \

            
            				((u8 *)(gid))[3], \

            
            				((u8 *)(gid))[4], \

            
            				((u8 *)(gid))[5], \

            
            				((u8 *)(gid))[6], \

            
            				((u8 *)(gid))[7], \

            
            				((u8 *)(gid))[8], \

            
            				((u8 *)(gid))[9], \

            
            				((u8 *)(gid))[10],\

            
            				((u8 *)(gid))[11],\

            
            				((u8 *)(gid))[12],\

            
            				((u8 *)(gid))[13],\

            
            				((u8 *)(gid))[14],\

            
            				((u8 *)(gid))[15]


            #define IPOIB_GID_ARG(gid)	IPOIB_GID_RAW_ARG((gid).raw)


            #endif /* _IPOIB_H */
	/*
	* Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
	* Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
	* Copyright (c) 2004 Voltaire, Inc. All rights reserved.
	*
	* This software is available to you under a choice of one of two
	* licenses. You may choose to be licensed under the terms of the GNU
	* General Public License (GPL) Version 2, available from the file
	* COPYING in the main directory of this source tree, or the
	* OpenIB.org BSD license below:
	*
	* Redistribution and use in source and binary forms, with or
	* without modification, are permitted provided that the following
	* conditions are met:
	*
	* - Redistributions of source code must retain the above
	* copyright notice, this list of conditions and the following
	* disclaimer.
	*
	* - Redistributions in binary form must reproduce the above
	* copyright notice, this list of conditions and the following
	* disclaimer in the documentation and/or other materials
	* provided with the distribution.
	*
	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
	* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
	* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
	* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
	* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
	* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
	* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	* SOFTWARE.
	*
	* $Id: ipoib.h 1358 2004-12-17 22:00:11Z roland $
	*/

	#ifndef _IPOIB_H
	#define _IPOIB_H

	#include <linux/list.h>
	#include <linux/skbuff.h>
	#include <linux/netdevice.h>
	#include <linux/workqueue.h>
	#include <linux/pci.h>
	#include <linux/kref.h>
	#include <linux/if_infiniband.h>
	#include <linux/mutex.h>

	#include <net/neighbour.h>

	#include <asm/atomic.h>

	#include <rdma/ib_verbs.h>
	#include <rdma/ib_pack.h>
	#include <rdma/ib_sa.h>

	/* constants */

	enum {
	IPOIB_PACKET_SIZE = 2048,
	IPOIB_BUF_SIZE = IPOIB_PACKET_SIZE + IB_GRH_BYTES,

	IPOIB_ENCAP_LEN = 4,

	IPOIB_RX_RING_SIZE = 128,
	IPOIB_TX_RING_SIZE = 64,
	IPOIB_MAX_QUEUE_SIZE = 8192,
	IPOIB_MIN_QUEUE_SIZE = 2,

	IPOIB_NUM_WC = 4,

	IPOIB_MAX_PATH_REC_QUEUE = 3,
	IPOIB_MAX_MCAST_QUEUE = 3,

	IPOIB_FLAG_OPER_UP = 0,
	IPOIB_FLAG_INITIALIZED = 1,
	IPOIB_FLAG_ADMIN_UP = 2,
	IPOIB_PKEY_ASSIGNED = 3,
	IPOIB_PKEY_STOP = 4,
	IPOIB_FLAG_SUBINTERFACE = 5,
	IPOIB_MCAST_RUN = 6,
	IPOIB_STOP_REAPER = 7,
	IPOIB_MCAST_STARTED = 8,

	IPOIB_MAX_BACKOFF_SECONDS = 16,

	IPOIB_MCAST_FLAG_FOUND = 0, /* used in set_multicast_list */
	IPOIB_MCAST_FLAG_SENDONLY = 1,
	IPOIB_MCAST_FLAG_BUSY = 2, /* joining or already joined */
	IPOIB_MCAST_FLAG_ATTACHED = 3,
	};

	/* structs */

	struct ipoib_header {
	__be16 proto;
	u16 reserved;
	};

	struct ipoib_pseudoheader {
	u8 hwaddr[INFINIBAND_ALEN];
	};

	struct ipoib_mcast;

	struct ipoib_rx_buf {
	struct sk_buff *skb;
	dma_addr_t mapping;
	};

	struct ipoib_tx_buf {
	struct sk_buff *skb;
	DECLARE_PCI_UNMAP_ADDR(mapping)
	};

	/*
	* Device private locking: tx_lock protects members used in TX fast
	* path (and we use LLTX so upper layers don't do extra locking).
	* lock protects everything else. lock nests inside of tx_lock (ie
	* tx_lock must be acquired first if needed).
	*/
	struct ipoib_dev_priv {
	spinlock_t lock;

	struct net_device *dev;

	unsigned long flags;

	struct mutex mcast_mutex;
	struct mutex vlan_mutex;

	struct rb_root path_tree;
	struct list_head path_list;

	struct ipoib_mcast *broadcast;
	struct list_head multicast_list;
	struct rb_root multicast_tree;

	struct work_struct pkey_task;
	struct work_struct mcast_task;
	struct work_struct flush_task;
	struct work_struct restart_task;
	struct work_struct ah_reap_task;

	struct ib_device *ca;
	u8 port;
	u16 pkey;
	struct ib_pd *pd;
	struct ib_mr *mr;
	struct ib_cq *cq;
	struct ib_qp *qp;
	u32 qkey;

	union ib_gid local_gid;
	u16 local_lid;
	u8 local_rate;

	unsigned int admin_mtu;
	unsigned int mcast_mtu;

	struct ipoib_rx_buf *rx_ring;

	spinlock_t tx_lock;
	struct ipoib_tx_buf *tx_ring;
	unsigned tx_head;
	unsigned tx_tail;
	struct ib_sge tx_sge;
	struct ib_send_wr tx_wr;

	struct ib_wc ibwc[IPOIB_NUM_WC];

	struct list_head dead_ahs;

	struct ib_event_handler event_handler;

	struct net_device_stats stats;

	struct net_device *parent;
	struct list_head child_intfs;
	struct list_head list;

	#ifdef CONFIG_INFINIBAND_IPOIB_DEBUG
	struct list_head fs_list;
	struct dentry *mcg_dentry;
	struct dentry *path_dentry;
	#endif
	};

	struct ipoib_ah {
	struct net_device *dev;
	struct ib_ah *ah;
	struct list_head list;
	struct kref ref;
	unsigned last_send;
	};

	struct ipoib_path {
	struct net_device *dev;
	struct ib_sa_path_rec pathrec;
	struct ipoib_ah *ah;
	struct sk_buff_head queue;

	struct list_head neigh_list;

	int query_id;
	struct ib_sa_query *query;
	struct completion done;

	struct rb_node rb_node;
	struct list_head list;
	};

	struct ipoib_neigh {
	struct ipoib_ah *ah;
	union ib_gid dgid;
	struct sk_buff_head queue;

	struct neighbour *neighbour;

	struct list_head list;
	};

	/*
	* 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)
	{
	return (void*) neigh + ALIGN(offsetof(struct neighbour, ha) +
	INFINIBAND_ALEN, sizeof(void *));
	}

	struct ipoib_neigh ipoib_neigh_alloc(struct neighbour neigh);
	void ipoib_neigh_free(struct ipoib_neigh *neigh);

	extern struct workqueue_struct *ipoib_workqueue;

	/* functions */

	void ipoib_ib_completion(struct ib_cq cq, void dev_ptr);

	struct ipoib_ah ipoib_create_ah(struct net_device dev,
	struct ib_pd pd, struct ib_ah_attr attr);
	void ipoib_free_ah(struct kref *kref);
	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);

	void ipoib_send(struct net_device dev, struct sk_buff skb,
	struct ipoib_ah *address, u32 qpn);
	void ipoib_reap_ah(void *dev_ptr);

	void ipoib_flush_paths(struct net_device *dev);
	struct ipoib_dev_priv ipoib_intf_alloc(const char format);

	int ipoib_ib_dev_init(struct net_device dev, struct ib_device ca, int port);
	void ipoib_ib_dev_flush(void *dev);
	void ipoib_ib_dev_cleanup(struct net_device *dev);

	int ipoib_ib_dev_open(struct net_device *dev);
	int ipoib_ib_dev_up(struct net_device *dev);
	int ipoib_ib_dev_down(struct net_device *dev, int flush);
	int ipoib_ib_dev_stop(struct net_device *dev);

	int ipoib_dev_init(struct net_device dev, struct ib_device ca, int port);
	void ipoib_dev_cleanup(struct net_device *dev);

	void ipoib_mcast_join_task(void *dev_ptr);
	void ipoib_mcast_send(struct net_device dev, void mgid, struct sk_buff *skb);

	void ipoib_mcast_restart_task(void *dev_ptr);
	int ipoib_mcast_start_thread(struct net_device *dev);
	int ipoib_mcast_stop_thread(struct net_device *dev, int flush);

	void ipoib_mcast_dev_down(struct net_device *dev);
	void ipoib_mcast_dev_flush(struct net_device *dev);

	#ifdef CONFIG_INFINIBAND_IPOIB_DEBUG
	struct ipoib_mcast_iter ipoib_mcast_iter_init(struct net_device dev);
	int ipoib_mcast_iter_next(struct ipoib_mcast_iter *iter);
	void ipoib_mcast_iter_read(struct ipoib_mcast_iter *iter,
	union ib_gid *gid,
	unsigned long *created,
	unsigned int *queuelen,
	unsigned int *complete,
	unsigned int *send_only);

	struct ipoib_path_iter ipoib_path_iter_init(struct net_device dev);
	int ipoib_path_iter_next(struct ipoib_path_iter *iter);
	void ipoib_path_iter_read(struct ipoib_path_iter *iter,
	struct ipoib_path *path);
	#endif

	int ipoib_mcast_attach(struct net_device *dev, u16 mlid,
	union ib_gid *mgid);
	int ipoib_mcast_detach(struct net_device *dev, u16 mlid,
	union ib_gid *mgid);

	int ipoib_init_qp(struct net_device *dev);
	int ipoib_transport_dev_init(struct net_device dev, struct ib_device ca);
	void ipoib_transport_dev_cleanup(struct net_device *dev);

	void ipoib_event(struct ib_event_handler *handler,
	struct ib_event *record);

	int ipoib_vlan_add(struct net_device *pdev, unsigned short pkey);
	int ipoib_vlan_delete(struct net_device *pdev, unsigned short pkey);

	void ipoib_pkey_poll(void *dev);
	int ipoib_pkey_dev_delay_open(struct net_device *dev);

	#ifdef CONFIG_INFINIBAND_IPOIB_DEBUG
	void ipoib_create_debug_files(struct net_device *dev);
	void ipoib_delete_debug_files(struct net_device *dev);
	int ipoib_register_debugfs(void);
	void ipoib_unregister_debugfs(void);
	#else
	static inline void ipoib_create_debug_files(struct net_device *dev) { }
	static inline void ipoib_delete_debug_files(struct net_device *dev) { }
	static inline int ipoib_register_debugfs(void) { return 0; }
	static inline void ipoib_unregister_debugfs(void) { }
	#endif


	#define ipoib_printk(level, priv, format, arg...) \
	printk(level "%s: " format, ((struct ipoib_dev_priv *) priv)->dev->name , ## arg)
	#define ipoib_warn(priv, format, arg...) \
	ipoib_printk(KERN_WARNING, priv, format , ## arg)

	extern int ipoib_sendq_size;
	extern int ipoib_recvq_size;

	extern struct ib_sa_client ipoib_sa_client;

	#ifdef CONFIG_INFINIBAND_IPOIB_DEBUG
	extern int ipoib_debug_level;

	#define ipoib_dbg(priv, format, arg...) \
	do { \
	if (ipoib_debug_level > 0) \
	ipoib_printk(KERN_DEBUG, priv, format , ## arg); \
	} while (0)
	#define ipoib_dbg_mcast(priv, format, arg...) \
	do { \
	if (mcast_debug_level > 0) \
	ipoib_printk(KERN_DEBUG, priv, format , ## arg); \
	} while (0)
	#else /* CONFIG_INFINIBAND_IPOIB_DEBUG */
	#define ipoib_dbg(priv, format, arg...) \
	do { (void) (priv); } while (0)
	#define ipoib_dbg_mcast(priv, format, arg...) \
	do { (void) (priv); } while (0)
	#endif /* CONFIG_INFINIBAND_IPOIB_DEBUG */

	#ifdef CONFIG_INFINIBAND_IPOIB_DEBUG_DATA
	#define ipoib_dbg_data(priv, format, arg...) \
	do { \
	if (data_debug_level > 0) \
	ipoib_printk(KERN_DEBUG, priv, format , ## arg); \
	} while (0)
	#else /* CONFIG_INFINIBAND_IPOIB_DEBUG_DATA */
	#define ipoib_dbg_data(priv, format, arg...) \
	do { (void) (priv); } while (0)
	#endif /* CONFIG_INFINIBAND_IPOIB_DEBUG_DATA */


	#define IPOIB_GID_FMT "%2.2x%2.2x:%2.2x%2.2x:%2.2x%2.2x:%2.2x%2.2x:" \
	"%2.2x%2.2x:%2.2x%2.2x:%2.2x%2.2x:%2.2x%2.2x"

	#define IPOIB_GID_RAW_ARG(gid) ((u8 *)(gid))[0], \
	((u8 *)(gid))[1], \
	((u8 *)(gid))[2], \
	((u8 *)(gid))[3], \
	((u8 *)(gid))[4], \
	((u8 *)(gid))[5], \
	((u8 *)(gid))[6], \
	((u8 *)(gid))[7], \
	((u8 *)(gid))[8], \
	((u8 *)(gid))[9], \
	((u8 *)(gid))[10],\
	((u8 *)(gid))[11],\
	((u8 *)(gid))[12],\
	((u8 *)(gid))[13],\
	((u8 *)(gid))[14],\
	((u8 *)(gid))[15]

	#define IPOIB_GID_ARG(gid) IPOIB_GID_RAW_ARG((gid).raw)

	#endif /* _IPOIB_H */