[linux-block.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 <net/neighbour.h>

#include <asm/atomic.h>
#include <asm/semaphore.h>

#include <ib_verbs.h>
#include <ib_pack.h>
#include <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_ADMIN_UP 	  = 1,
	IPOIB_PKEY_ASSIGNED 	  = 2,
	IPOIB_PKEY_STOP 	  = 3,
	IPOIB_FLAG_SUBINTERFACE   = 4,
	IPOIB_MCAST_RUN 	  = 5,
	IPOIB_STOP_REAPER         = 6,

	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 {
	u16 proto;
	u16 reserved;
};

struct ipoib_pseudoheader {
	u8  hwaddr[INFINIBAND_ALEN];
};

struct ipoib_mcast;

struct ipoib_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 semaphore mcast_mutex;
	struct semaphore 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_buf *rx_ring;

	spinlock_t        tx_lock;
	struct ipoib_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;
#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;
};

static inline struct ipoib_neigh **to_ipoib_neigh(struct neighbour *neigh)
{
	return (struct ipoib_neigh **) (neigh->ha + 24 -
					(offsetof(struct neighbour, ha) & 4));
}

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_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 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);

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

struct ipoib_mcast_iter *ipoib_mcast_iter_init(struct net_device *dev);
void ipoib_mcast_iter_free(struct ipoib_mcast_iter *iter);
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);

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_qp_create(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
int ipoib_create_debug_file(struct net_device *dev);
void ipoib_delete_debug_file(struct net_device *dev);
int ipoib_register_debugfs(void);
void ipoib_unregister_debugfs(void);
#else
static inline int ipoib_create_debug_file(struct net_device *dev) { return 0; }
static inline void ipoib_delete_debug_file(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>
	48
	49	#include <net/neighbour.h>
	50
	51	#include <asm/atomic.h>
	52	#include <asm/semaphore.h>
	53
	54	#include <ib_verbs.h>
	55	#include <ib_pack.h>
	56	#include <ib_sa.h>
	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,
75	IPOIB_FLAG_ADMIN_UP = 1,
76	IPOIB_PKEY_ASSIGNED = 2,
77	IPOIB_PKEY_STOP = 3,
78	IPOIB_FLAG_SUBINTERFACE = 4,
79	IPOIB_MCAST_RUN = 5,
80	IPOIB_STOP_REAPER = 6,
81
82	IPOIB_MAX_BACKOFF_SECONDS = 16,
83
84	IPOIB_MCAST_FLAG_FOUND = 0, /* used in set_multicast_list */
85	IPOIB_MCAST_FLAG_SENDONLY = 1,
86	IPOIB_MCAST_FLAG_BUSY = 2, /* joining or already joined */
87	IPOIB_MCAST_FLAG_ATTACHED = 3,
88	};
89
90	/* structs */
91
92	struct ipoib_header {
93	u16 proto;
94	u16 reserved;
95	};
96
97	struct ipoib_pseudoheader {
98	u8 hwaddr[INFINIBAND_ALEN];
99	};
100
101	struct ipoib_mcast;
102
103	struct ipoib_buf {
104	struct sk_buff *skb;
105	DECLARE_PCI_UNMAP_ADDR(mapping)
106	};
107
108	/*
109	* Device private locking: tx_lock protects members used in TX fast
110	* path (and we use LLTX so upper layers don't do extra locking).
111	* lock protects everything else. lock nests inside of tx_lock (ie
112	* tx_lock must be acquired first if needed).
113	*/
114	struct ipoib_dev_priv {
115	spinlock_t lock;
116
117	struct net_device *dev;
118
119	unsigned long flags;
120
121	struct semaphore mcast_mutex;
122	struct semaphore vlan_mutex;
123
124	struct rb_root path_tree;
125	struct list_head path_list;
126
127	struct ipoib_mcast *broadcast;
128	struct list_head multicast_list;
129	struct rb_root multicast_tree;
130
131	struct work_struct pkey_task;
132	struct work_struct mcast_task;
133	struct work_struct flush_task;
134	struct work_struct restart_task;
135	struct work_struct ah_reap_task;
136
137	struct ib_device *ca;
138	u8 port;
139	u16 pkey;
140	struct ib_pd *pd;
141	struct ib_mr *mr;
142	struct ib_cq *cq;
143	struct ib_qp *qp;
144	u32 qkey;
145
146	union ib_gid local_gid;
147	u16 local_lid;
148	u8 local_rate;
149
150	unsigned int admin_mtu;
151	unsigned int mcast_mtu;
152
153	struct ipoib_buf *rx_ring;
154
155	spinlock_t tx_lock;
156	struct ipoib_buf *tx_ring;
157	unsigned tx_head;
158	unsigned tx_tail;
159	struct ib_sge tx_sge;
160	struct ib_send_wr tx_wr;
161
162	struct ib_wc ibwc[IPOIB_NUM_WC];
163
164	struct list_head dead_ahs;
165
166	struct ib_event_handler event_handler;
167
168	struct net_device_stats stats;
169
170	struct net_device *parent;
171	struct list_head child_intfs;
172	struct list_head list;
173
174	#ifdef CONFIG_INFINIBAND_IPOIB_DEBUG
175	struct list_head fs_list;
176	struct dentry *mcg_dentry;
177	#endif
178	};
179
180	struct ipoib_ah {
181	struct net_device *dev;
182	struct ib_ah *ah;
183	struct list_head list;
184	struct kref ref;
185	unsigned last_send;
186	};
187
188	struct ipoib_path {
189	struct net_device *dev;
190	struct ib_sa_path_rec pathrec;
191	struct ipoib_ah *ah;
192	struct sk_buff_head queue;
193
194	struct list_head neigh_list;
195
196	int query_id;
197	struct ib_sa_query *query;
198	struct completion done;
199
200	struct rb_node rb_node;
201	struct list_head list;
202	};
203
204	struct ipoib_neigh {
205	struct ipoib_ah *ah;
206	struct sk_buff_head queue;
207
208	struct neighbour *neighbour;
209
210	struct list_head list;
211	};
212
213	static inline struct ipoib_neigh *to_ipoib_neigh(struct neighbour neigh)
214	{
215	return (struct ipoib_neigh **) (neigh->ha + 24 -
216	(offsetof(struct neighbour, ha) & 4));
217	}
218
219	extern struct workqueue_struct *ipoib_workqueue;
220
221	/* functions */
222
223	void ipoib_ib_completion(struct ib_cq cq, void dev_ptr);
224
225	struct ipoib_ah ipoib_create_ah(struct net_device dev,
226	struct ib_pd pd, struct ib_ah_attr attr);
227	void ipoib_free_ah(struct kref *kref);
228	static inline void ipoib_put_ah(struct ipoib_ah *ah)
229	{
230	kref_put(&ah->ref, ipoib_free_ah);
231	}
232
233	int ipoib_add_pkey_attr(struct net_device *dev);
234
235	void ipoib_send(struct net_device dev, struct sk_buff skb,
236	struct ipoib_ah *address, u32 qpn);
237	void ipoib_reap_ah(void *dev_ptr);
238
239	void ipoib_flush_paths(struct net_device *dev);
240	struct ipoib_dev_priv ipoib_intf_alloc(const char format);
241
242	int ipoib_ib_dev_init(struct net_device dev, struct ib_device ca, int port);
243	void ipoib_ib_dev_flush(void *dev);
244	void ipoib_ib_dev_cleanup(struct net_device *dev);
245
246	int ipoib_ib_dev_open(struct net_device *dev);
247	int ipoib_ib_dev_up(struct net_device *dev);
248	int ipoib_ib_dev_down(struct net_device *dev);
249	int ipoib_ib_dev_stop(struct net_device *dev);
250
251	int ipoib_dev_init(struct net_device dev, struct ib_device ca, int port);
252	void ipoib_dev_cleanup(struct net_device *dev);
253
254	void ipoib_mcast_join_task(void *dev_ptr);
255	void ipoib_mcast_send(struct net_device dev, union ib_gid mgid,
256	struct sk_buff *skb);
257
258	void ipoib_mcast_restart_task(void *dev_ptr);
259	int ipoib_mcast_start_thread(struct net_device *dev);
260	int ipoib_mcast_stop_thread(struct net_device *dev);
261
262	void ipoib_mcast_dev_down(struct net_device *dev);
263	void ipoib_mcast_dev_flush(struct net_device *dev);
264
265	struct ipoib_mcast_iter ipoib_mcast_iter_init(struct net_device dev);
266	void ipoib_mcast_iter_free(struct ipoib_mcast_iter *iter);
267	int ipoib_mcast_iter_next(struct ipoib_mcast_iter *iter);
268	void ipoib_mcast_iter_read(struct ipoib_mcast_iter *iter,
269	union ib_gid *gid,
270	unsigned long *created,
271	unsigned int *queuelen,
272	unsigned int *complete,
273	unsigned int *send_only);
274
275	int ipoib_mcast_attach(struct net_device *dev, u16 mlid,
276	union ib_gid *mgid);
277	int ipoib_mcast_detach(struct net_device *dev, u16 mlid,
278	union ib_gid *mgid);
279
280	int ipoib_qp_create(struct net_device *dev);
281	int ipoib_transport_dev_init(struct net_device dev, struct ib_device ca);
282	void ipoib_transport_dev_cleanup(struct net_device *dev);
283
284	void ipoib_event(struct ib_event_handler *handler,
285	struct ib_event *record);
286
287	int ipoib_vlan_add(struct net_device *pdev, unsigned short pkey);
288	int ipoib_vlan_delete(struct net_device *pdev, unsigned short pkey);
289
290	void ipoib_pkey_poll(void *dev);
291	int ipoib_pkey_dev_delay_open(struct net_device *dev);
292
293	#ifdef CONFIG_INFINIBAND_IPOIB_DEBUG
294	int ipoib_create_debug_file(struct net_device *dev);
295	void ipoib_delete_debug_file(struct net_device *dev);
296	int ipoib_register_debugfs(void);
297	void ipoib_unregister_debugfs(void);
298	#else
299	static inline int ipoib_create_debug_file(struct net_device *dev) { return 0; }
300	static inline void ipoib_delete_debug_file(struct net_device *dev) { }
301	static inline int ipoib_register_debugfs(void) { return 0; }
302	static inline void ipoib_unregister_debugfs(void) { }
303	#endif
304
305
306	#define ipoib_printk(level, priv, format, arg...) \
307	printk(level "%s: " format, ((struct ipoib_dev_priv *) priv)->dev->name , ## arg)
308	#define ipoib_warn(priv, format, arg...) \
309	ipoib_printk(KERN_WARNING, priv, format , ## arg)
310
311
312	#ifdef CONFIG_INFINIBAND_IPOIB_DEBUG
313	extern int ipoib_debug_level;
314
315	#define ipoib_dbg(priv, format, arg...) \
316	do { \
317	if (ipoib_debug_level > 0) \
318	ipoib_printk(KERN_DEBUG, priv, format , ## arg); \
319	} while (0)
320	#define ipoib_dbg_mcast(priv, format, arg...) \
321	do { \
322	if (mcast_debug_level > 0) \
323	ipoib_printk(KERN_DEBUG, priv, format , ## arg); \
324	} while (0)
325	#else /* CONFIG_INFINIBAND_IPOIB_DEBUG */
326	#define ipoib_dbg(priv, format, arg...) \
327	do { (void) (priv); } while (0)
328	#define ipoib_dbg_mcast(priv, format, arg...) \
329	do { (void) (priv); } while (0)
330	#endif /* CONFIG_INFINIBAND_IPOIB_DEBUG */
331
332	#ifdef CONFIG_INFINIBAND_IPOIB_DEBUG_DATA
333	#define ipoib_dbg_data(priv, format, arg...) \
334	do { \
335	if (data_debug_level > 0) \
336	ipoib_printk(KERN_DEBUG, priv, format , ## arg); \
337	} while (0)
338	#else /* CONFIG_INFINIBAND_IPOIB_DEBUG_DATA */
339	#define ipoib_dbg_data(priv, format, arg...) \
340	do { (void) (priv); } while (0)
341	#endif /* CONFIG_INFINIBAND_IPOIB_DEBUG_DATA */
342
343
344	#define IPOIB_GID_FMT "%x:%x:%x:%x:%x:%x:%x:%x"
345
346	#define IPOIB_GID_ARG(gid) be16_to_cpup((__be16 *) ((gid).raw + 0)), \
347	be16_to_cpup((__be16 *) ((gid).raw + 2)), \
348	be16_to_cpup((__be16 *) ((gid).raw + 4)), \
349	be16_to_cpup((__be16 *) ((gid).raw + 6)), \
350	be16_to_cpup((__be16 *) ((gid).raw + 8)), \
351	be16_to_cpup((__be16 *) ((gid).raw + 10)), \
352	be16_to_cpup((__be16 *) ((gid).raw + 12)), \
353	be16_to_cpup((__be16 *) ((gid).raw + 14))
354
355	#endif /* _IPOIB_H */