[mirror_ubuntu-jammy-kernel.git] / drivers / infiniband / ulp / ipoib / 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/config.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_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;
	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 *));
}

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, union ib_gid *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)


#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		"%x:%x:%x:%x:%x:%x:%x:%x"

#define IPOIB_GID_ARG(gid)	be16_to_cpup((__be16 *) ((gid).raw +  0)), \
				be16_to_cpup((__be16 *) ((gid).raw +  2)), \
				be16_to_cpup((__be16 *) ((gid).raw +  4)), \
				be16_to_cpup((__be16 *) ((gid).raw +  6)), \
				be16_to_cpup((__be16 *) ((gid).raw +  8)), \
				be16_to_cpup((__be16 *) ((gid).raw + 10)), \
				be16_to_cpup((__be16 *) ((gid).raw + 12)), \
				be16_to_cpup((__be16 *) ((gid).raw + 14))

#endif /* _IPOIB_H */
Commit	Line	Data
1da177e4 LT	1	/*
1da177e4 LT	2	* Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
2a1d9b7f RD	3	* Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
2a1d9b7f RD	4	* Copyright (c) 2004 Voltaire, Inc. All rights reserved.
1da177e4 LT	5	*
	6	* This software is available to you under a choice of one of two
	7	* licenses. You may choose to be licensed under the terms of the GNU
	8	* General Public License (GPL) Version 2, available from the file
	9	* COPYING in the main directory of this source tree, or the
	10	* OpenIB.org BSD license below:
	11	*
	12	* Redistribution and use in source and binary forms, with or
	13	* without modification, are permitted provided that the following
	14	* conditions are met:
	15	*
	16	* - Redistributions of source code must retain the above
	17	* copyright notice, this list of conditions and the following
	18	* disclaimer.
	19	*
	20	* - Redistributions in binary form must reproduce the above
	21	* copyright notice, this list of conditions and the following
	22	* disclaimer in the documentation and/or other materials
	23	* provided with the distribution.
	24	*
	25	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
	26	* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
	27	* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
	28	* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
	29	* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
	30	* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
	31	* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	32	* SOFTWARE.
	33	*
	34	* $Id: ipoib.h 1358 2004-12-17 22:00:11Z roland $
	35	*/
	36
	37	#ifndef _IPOIB_H
	38	#define _IPOIB_H
	39
	40	#include <linux/list.h>
	41	#include <linux/skbuff.h>
	42	#include <linux/netdevice.h>
	43	#include <linux/workqueue.h>
	44	#include <linux/pci.h>
	45	#include <linux/config.h>
	46	#include <linux/kref.h>
	47	#include <linux/if_infiniband.h>
95ed644f	48	#include <linux/mutex.h>
1da177e4 LT	49
	50	#include <net/neighbour.h>
	51
	52	#include <asm/atomic.h>
1da177e4	53
a4d61e84 RD	54	#include <rdma/ib_verbs.h>
	55	#include <rdma/ib_pack.h>
	56	#include <rdma/ib_sa.h>
1da177e4 LT	57
	58	/* constants */
	59
	60	enum {
	61	IPOIB_PACKET_SIZE = 2048,
	62	IPOIB_BUF_SIZE = IPOIB_PACKET_SIZE + IB_GRH_BYTES,
	63
	64	IPOIB_ENCAP_LEN = 4,
	65
	66	IPOIB_RX_RING_SIZE = 128,
	67	IPOIB_TX_RING_SIZE = 64,
	68
	69	IPOIB_NUM_WC = 4,
	70
	71	IPOIB_MAX_PATH_REC_QUEUE = 3,
	72	IPOIB_MAX_MCAST_QUEUE = 3,
	73
	74	IPOIB_FLAG_OPER_UP = 0,
7a343d4c LA	75	IPOIB_FLAG_INITIALIZED = 1,
	76	IPOIB_FLAG_ADMIN_UP = 2,
	77	IPOIB_PKEY_ASSIGNED = 3,
	78	IPOIB_PKEY_STOP = 4,
	79	IPOIB_FLAG_SUBINTERFACE = 5,
	80	IPOIB_MCAST_RUN = 6,
	81	IPOIB_STOP_REAPER = 7,
	82	IPOIB_MCAST_STARTED = 8,
1da177e4 LT	83
	84	IPOIB_MAX_BACKOFF_SECONDS = 16,
	85
	86	IPOIB_MCAST_FLAG_FOUND = 0, /* used in set_multicast_list */
	87	IPOIB_MCAST_FLAG_SENDONLY = 1,
	88	IPOIB_MCAST_FLAG_BUSY = 2, /* joining or already joined */
	89	IPOIB_MCAST_FLAG_ATTACHED = 3,
	90	};
	91
	92	/* structs */
	93
	94	struct ipoib_header {
97f52eb4 SH	95	__be16 proto;
97f52eb4 SH	96	u16 reserved;
1da177e4 LT	97	};
	98
	99	struct ipoib_pseudoheader {
	100	u8 hwaddr[INFINIBAND_ALEN];
	101	};
	102
	103	struct ipoib_mcast;
	104
1993d683 RD	105	struct ipoib_rx_buf {
	106	struct sk_buff *skb;
	107	dma_addr_t mapping;
	108	};
	109
	110	struct ipoib_tx_buf {
1da177e4 LT	111	struct sk_buff *skb;
	112	DECLARE_PCI_UNMAP_ADDR(mapping)
	113	};
	114
	115	/*
	116	* Device private locking: tx_lock protects members used in TX fast
	117	* path (and we use LLTX so upper layers don't do extra locking).
	118	* lock protects everything else. lock nests inside of tx_lock (ie
	119	* tx_lock must be acquired first if needed).
	120	*/
	121	struct ipoib_dev_priv {
	122	spinlock_t lock;
	123
	124	struct net_device *dev;
	125
	126	unsigned long flags;
	127
95ed644f IM	128	struct mutex mcast_mutex;
95ed644f IM	129	struct mutex vlan_mutex;
1da177e4 LT	130
	131	struct rb_root path_tree;
	132	struct list_head path_list;
	133
	134	struct ipoib_mcast *broadcast;
	135	struct list_head multicast_list;
	136	struct rb_root multicast_tree;
	137
	138	struct work_struct pkey_task;
	139	struct work_struct mcast_task;
	140	struct work_struct flush_task;
	141	struct work_struct restart_task;
	142	struct work_struct ah_reap_task;
	143
	144	struct ib_device *ca;
	145	u8 port;
	146	u16 pkey;
	147	struct ib_pd *pd;
	148	struct ib_mr *mr;
	149	struct ib_cq *cq;
	150	struct ib_qp *qp;
	151	u32 qkey;
	152
	153	union ib_gid local_gid;
	154	u16 local_lid;
	155	u8 local_rate;
	156
	157	unsigned int admin_mtu;
	158	unsigned int mcast_mtu;
	159
1993d683	160	struct ipoib_rx_buf *rx_ring;
1da177e4	161
1993d683 RD	162	spinlock_t tx_lock;
	163	struct ipoib_tx_buf *tx_ring;
	164	unsigned tx_head;
	165	unsigned tx_tail;
	166	struct ib_sge tx_sge;
	167	struct ib_send_wr tx_wr;
1da177e4 LT	168
	169	struct ib_wc ibwc[IPOIB_NUM_WC];
	170
	171	struct list_head dead_ahs;
	172
	173	struct ib_event_handler event_handler;
	174
	175	struct net_device_stats stats;
	176
	177	struct net_device *parent;
	178	struct list_head child_intfs;
	179	struct list_head list;
	180
	181	#ifdef CONFIG_INFINIBAND_IPOIB_DEBUG
	182	struct list_head fs_list;
	183	struct dentry *mcg_dentry;
1732b0ef	184	struct dentry *path_dentry;
1da177e4 LT	185	#endif
	186	};
	187
	188	struct ipoib_ah {
	189	struct net_device *dev;
	190	struct ib_ah *ah;
	191	struct list_head list;
	192	struct kref ref;
	193	unsigned last_send;
	194	};
	195
	196	struct ipoib_path {
	197	struct net_device *dev;
	198	struct ib_sa_path_rec pathrec;
	199	struct ipoib_ah *ah;
	200	struct sk_buff_head queue;
	201
	202	struct list_head neigh_list;
	203
	204	int query_id;
	205	struct ib_sa_query *query;
	206	struct completion done;
	207
	208	struct rb_node rb_node;
	209	struct list_head list;
	210	};
	211
	212	struct ipoib_neigh {
	213	struct ipoib_ah *ah;
	214	struct sk_buff_head queue;
	215
	216	struct neighbour *neighbour;
	217
	218	struct list_head list;
	219	};
	220
44af79f9 MT	221	/*
	222	* We stash a pointer to our private neighbour information after our
	223	* hardware address in neigh->ha. The ALIGN() expression here makes
	224	* sure that this pointer is stored aligned so that an unaligned
	225	* load is not needed to dereference it.
	226	*/
1da177e4 LT	227	static inline struct ipoib_neigh *to_ipoib_neigh(struct neighbour neigh)
1da177e4 LT	228	{
44af79f9 MT	229	return (void*) neigh + ALIGN(offsetof(struct neighbour, ha) +
44af79f9 MT	230	INFINIBAND_ALEN, sizeof(void *));
1da177e4 LT	231	}
	232
	233	extern struct workqueue_struct *ipoib_workqueue;
	234
	235	/* functions */
	236
	237	void ipoib_ib_completion(struct ib_cq cq, void dev_ptr);
	238
	239	struct ipoib_ah ipoib_create_ah(struct net_device dev,
	240	struct ib_pd pd, struct ib_ah_attr attr);
	241	void ipoib_free_ah(struct kref *kref);
	242	static inline void ipoib_put_ah(struct ipoib_ah *ah)
	243	{
	244	kref_put(&ah->ref, ipoib_free_ah);
	245	}
	246
8ae5a8a2	247	int ipoib_open(struct net_device *dev);
1da177e4 LT	248	int ipoib_add_pkey_attr(struct net_device *dev);
	249
	250	void ipoib_send(struct net_device dev, struct sk_buff skb,
	251	struct ipoib_ah *address, u32 qpn);
	252	void ipoib_reap_ah(void *dev_ptr);
	253
	254	void ipoib_flush_paths(struct net_device *dev);
	255	struct ipoib_dev_priv ipoib_intf_alloc(const char format);
	256
	257	int ipoib_ib_dev_init(struct net_device dev, struct ib_device ca, int port);
	258	void ipoib_ib_dev_flush(void *dev);
	259	void ipoib_ib_dev_cleanup(struct net_device *dev);
	260
	261	int ipoib_ib_dev_open(struct net_device *dev);
	262	int ipoib_ib_dev_up(struct net_device *dev);
0b3ea082	263	int ipoib_ib_dev_down(struct net_device *dev, int flush);
1da177e4 LT	264	int ipoib_ib_dev_stop(struct net_device *dev);
	265
	266	int ipoib_dev_init(struct net_device dev, struct ib_device ca, int port);
	267	void ipoib_dev_cleanup(struct net_device *dev);
	268
	269	void ipoib_mcast_join_task(void *dev_ptr);
	270	void ipoib_mcast_send(struct net_device dev, union ib_gid mgid,
	271	struct sk_buff *skb);
	272
	273	void ipoib_mcast_restart_task(void *dev_ptr);
	274	int ipoib_mcast_start_thread(struct net_device *dev);
8d2cae06	275	int ipoib_mcast_stop_thread(struct net_device *dev, int flush);
1da177e4 LT	276
	277	void ipoib_mcast_dev_down(struct net_device *dev);
	278	void ipoib_mcast_dev_flush(struct net_device *dev);
	279
8ae5a8a2	280	#ifdef CONFIG_INFINIBAND_IPOIB_DEBUG
1da177e4	281	struct ipoib_mcast_iter ipoib_mcast_iter_init(struct net_device dev);
1da177e4 LT	282	int ipoib_mcast_iter_next(struct ipoib_mcast_iter *iter);
	283	void ipoib_mcast_iter_read(struct ipoib_mcast_iter *iter,
	284	union ib_gid *gid,
	285	unsigned long *created,
	286	unsigned int *queuelen,
	287	unsigned int *complete,
	288	unsigned int *send_only);
1732b0ef RD	289
	290	struct ipoib_path_iter ipoib_path_iter_init(struct net_device dev);
	291	int ipoib_path_iter_next(struct ipoib_path_iter *iter);
	292	void ipoib_path_iter_read(struct ipoib_path_iter *iter,
	293	struct ipoib_path *path);
8ae5a8a2	294	#endif
1da177e4 LT	295
	296	int ipoib_mcast_attach(struct net_device *dev, u16 mlid,
	297	union ib_gid *mgid);
	298	int ipoib_mcast_detach(struct net_device *dev, u16 mlid,
	299	union ib_gid *mgid);
	300
5b6810e0	301	int ipoib_init_qp(struct net_device *dev);
1da177e4 LT	302	int ipoib_transport_dev_init(struct net_device dev, struct ib_device ca);
	303	void ipoib_transport_dev_cleanup(struct net_device *dev);
	304
	305	void ipoib_event(struct ib_event_handler *handler,
	306	struct ib_event *record);
	307
	308	int ipoib_vlan_add(struct net_device *pdev, unsigned short pkey);
	309	int ipoib_vlan_delete(struct net_device *pdev, unsigned short pkey);
	310
	311	void ipoib_pkey_poll(void *dev);
	312	int ipoib_pkey_dev_delay_open(struct net_device *dev);
	313
	314	#ifdef CONFIG_INFINIBAND_IPOIB_DEBUG
1732b0ef RD	315	void ipoib_create_debug_files(struct net_device *dev);
1732b0ef RD	316	void ipoib_delete_debug_files(struct net_device *dev);
1da177e4 LT	317	int ipoib_register_debugfs(void);
	318	void ipoib_unregister_debugfs(void);
	319	#else
1732b0ef RD	320	static inline void ipoib_create_debug_files(struct net_device *dev) { }
1732b0ef RD	321	static inline void ipoib_delete_debug_files(struct net_device *dev) { }
1da177e4 LT	322	static inline int ipoib_register_debugfs(void) { return 0; }
	323	static inline void ipoib_unregister_debugfs(void) { }
	324	#endif
	325
	326
	327	#define ipoib_printk(level, priv, format, arg...) \
	328	printk(level "%s: " format, ((struct ipoib_dev_priv *) priv)->dev->name , ## arg)
	329	#define ipoib_warn(priv, format, arg...) \
	330	ipoib_printk(KERN_WARNING, priv, format , ## arg)
	331
	332
	333	#ifdef CONFIG_INFINIBAND_IPOIB_DEBUG
	334	extern int ipoib_debug_level;
	335
	336	#define ipoib_dbg(priv, format, arg...) \
	337	do { \
	338	if (ipoib_debug_level > 0) \
	339	ipoib_printk(KERN_DEBUG, priv, format , ## arg); \
	340	} while (0)
	341	#define ipoib_dbg_mcast(priv, format, arg...) \
	342	do { \
	343	if (mcast_debug_level > 0) \
	344	ipoib_printk(KERN_DEBUG, priv, format , ## arg); \
	345	} while (0)
	346	#else /* CONFIG_INFINIBAND_IPOIB_DEBUG */
	347	#define ipoib_dbg(priv, format, arg...) \
	348	do { (void) (priv); } while (0)
	349	#define ipoib_dbg_mcast(priv, format, arg...) \
	350	do { (void) (priv); } while (0)
	351	#endif /* CONFIG_INFINIBAND_IPOIB_DEBUG */
	352
	353	#ifdef CONFIG_INFINIBAND_IPOIB_DEBUG_DATA
	354	#define ipoib_dbg_data(priv, format, arg...) \
	355	do { \
	356	if (data_debug_level > 0) \
	357	ipoib_printk(KERN_DEBUG, priv, format , ## arg); \
	358	} while (0)
	359	#else /* CONFIG_INFINIBAND_IPOIB_DEBUG_DATA */
	360	#define ipoib_dbg_data(priv, format, arg...) \
	361	do { (void) (priv); } while (0)
	362	#endif /* CONFIG_INFINIBAND_IPOIB_DEBUG_DATA */
	363
	364
	365	#define IPOIB_GID_FMT "%x:%x:%x:%x:%x:%x:%x:%x"
	366
	367	#define IPOIB_GID_ARG(gid) be16_to_cpup((__be16 *) ((gid).raw + 0)), \
	368	be16_to_cpup((__be16 *) ((gid).raw + 2)), \
	369	be16_to_cpup((__be16 *) ((gid).raw + 4)), \
	370	be16_to_cpup((__be16 *) ((gid).raw + 6)), \
	371	be16_to_cpup((__be16 *) ((gid).raw + 8)), \
	372	be16_to_cpup((__be16 *) ((gid).raw + 10)), \
	373	be16_to_cpup((__be16 *) ((gid).raw + 12)), \
	374	be16_to_cpup((__be16 *) ((gid).raw + 14))
	375
	376	#endif /* _IPOIB_H */