[mirror_ubuntu-bionic-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/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 delayed_work pkey_task;
	struct delayed_work mcast_task;
	struct work_struct flush_task;
	struct work_struct restart_task;
	struct delayed_work 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(struct work_struct *work);

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

void ipoib_mcast_restart_task(struct work_struct *work);
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(struct work_struct *work);
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 */
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>
1da177e4 LT	45	#include <linux/kref.h>
1da177e4 LT	46	#include <linux/if_infiniband.h>
95ed644f	47	#include <linux/mutex.h>
1da177e4 LT	48
	49	#include <net/neighbour.h>
	50
	51	#include <asm/atomic.h>
1da177e4	52
a4d61e84 RD	53	#include <rdma/ib_verbs.h>
	54	#include <rdma/ib_pack.h>
	55	#include <rdma/ib_sa.h>
1da177e4 LT	56
	57	/* constants */
	58
	59	enum {
	60	IPOIB_PACKET_SIZE = 2048,
	61	IPOIB_BUF_SIZE = IPOIB_PACKET_SIZE + IB_GRH_BYTES,
	62
	63	IPOIB_ENCAP_LEN = 4,
	64
	65	IPOIB_RX_RING_SIZE = 128,
	66	IPOIB_TX_RING_SIZE = 64,
0f485251 SM	67	IPOIB_MAX_QUEUE_SIZE = 8192,
0f485251 SM	68	IPOIB_MIN_QUEUE_SIZE = 2,
1da177e4 LT	69
	70	IPOIB_NUM_WC = 4,
	71
	72	IPOIB_MAX_PATH_REC_QUEUE = 3,
	73	IPOIB_MAX_MCAST_QUEUE = 3,
	74
	75	IPOIB_FLAG_OPER_UP = 0,
7a343d4c LA	76	IPOIB_FLAG_INITIALIZED = 1,
	77	IPOIB_FLAG_ADMIN_UP = 2,
	78	IPOIB_PKEY_ASSIGNED = 3,
	79	IPOIB_PKEY_STOP = 4,
	80	IPOIB_FLAG_SUBINTERFACE = 5,
	81	IPOIB_MCAST_RUN = 6,
	82	IPOIB_STOP_REAPER = 7,
	83	IPOIB_MCAST_STARTED = 8,
1da177e4 LT	84
	85	IPOIB_MAX_BACKOFF_SECONDS = 16,
	86
	87	IPOIB_MCAST_FLAG_FOUND = 0, /* used in set_multicast_list */
	88	IPOIB_MCAST_FLAG_SENDONLY = 1,
	89	IPOIB_MCAST_FLAG_BUSY = 2, /* joining or already joined */
	90	IPOIB_MCAST_FLAG_ATTACHED = 3,
	91	};
	92
	93	/* structs */
	94
	95	struct ipoib_header {
97f52eb4 SH	96	__be16 proto;
97f52eb4 SH	97	u16 reserved;
1da177e4 LT	98	};
	99
	100	struct ipoib_pseudoheader {
	101	u8 hwaddr[INFINIBAND_ALEN];
	102	};
	103
	104	struct ipoib_mcast;
	105
1993d683 RD	106	struct ipoib_rx_buf {
	107	struct sk_buff *skb;
	108	dma_addr_t mapping;
	109	};
	110
	111	struct ipoib_tx_buf {
1da177e4 LT	112	struct sk_buff *skb;
	113	DECLARE_PCI_UNMAP_ADDR(mapping)
	114	};
	115
	116	/*
	117	* Device private locking: tx_lock protects members used in TX fast
	118	* path (and we use LLTX so upper layers don't do extra locking).
	119	* lock protects everything else. lock nests inside of tx_lock (ie
	120	* tx_lock must be acquired first if needed).
	121	*/
	122	struct ipoib_dev_priv {
	123	spinlock_t lock;
	124
	125	struct net_device *dev;
	126
	127	unsigned long flags;
	128
95ed644f IM	129	struct mutex mcast_mutex;
95ed644f IM	130	struct mutex vlan_mutex;
1da177e4 LT	131
	132	struct rb_root path_tree;
	133	struct list_head path_list;
	134
	135	struct ipoib_mcast *broadcast;
	136	struct list_head multicast_list;
	137	struct rb_root multicast_tree;
	138
c4028958 DH	139	struct delayed_work pkey_task;
c4028958 DH	140	struct delayed_work mcast_task;
1da177e4 LT	141	struct work_struct flush_task;
1da177e4 LT	142	struct work_struct restart_task;
c4028958	143	struct delayed_work ah_reap_task;
1da177e4 LT	144
	145	struct ib_device *ca;
	146	u8 port;
	147	u16 pkey;
	148	struct ib_pd *pd;
	149	struct ib_mr *mr;
	150	struct ib_cq *cq;
	151	struct ib_qp *qp;
	152	u32 qkey;
	153
	154	union ib_gid local_gid;
	155	u16 local_lid;
	156	u8 local_rate;
	157
	158	unsigned int admin_mtu;
	159	unsigned int mcast_mtu;
	160
1993d683	161	struct ipoib_rx_buf *rx_ring;
1da177e4	162
1993d683 RD	163	spinlock_t tx_lock;
	164	struct ipoib_tx_buf *tx_ring;
	165	unsigned tx_head;
	166	unsigned tx_tail;
	167	struct ib_sge tx_sge;
	168	struct ib_send_wr tx_wr;
1da177e4 LT	169
	170	struct ib_wc ibwc[IPOIB_NUM_WC];
	171
	172	struct list_head dead_ahs;
	173
	174	struct ib_event_handler event_handler;
	175
	176	struct net_device_stats stats;
	177
	178	struct net_device *parent;
	179	struct list_head child_intfs;
	180	struct list_head list;
	181
	182	#ifdef CONFIG_INFINIBAND_IPOIB_DEBUG
	183	struct list_head fs_list;
	184	struct dentry *mcg_dentry;
1732b0ef	185	struct dentry *path_dentry;
1da177e4 LT	186	#endif
	187	};
	188
	189	struct ipoib_ah {
	190	struct net_device *dev;
	191	struct ib_ah *ah;
	192	struct list_head list;
	193	struct kref ref;
	194	unsigned last_send;
	195	};
	196
	197	struct ipoib_path {
	198	struct net_device *dev;
	199	struct ib_sa_path_rec pathrec;
	200	struct ipoib_ah *ah;
	201	struct sk_buff_head queue;
	202
	203	struct list_head neigh_list;
	204
	205	int query_id;
	206	struct ib_sa_query *query;
	207	struct completion done;
	208
	209	struct rb_node rb_node;
	210	struct list_head list;
	211	};
	212
	213	struct ipoib_neigh {
	214	struct ipoib_ah *ah;
8a7f7521	215	union ib_gid dgid;
1da177e4 LT	216	struct sk_buff_head queue;
	217
	218	struct neighbour *neighbour;
	219
	220	struct list_head list;
	221	};
	222
44af79f9 MT	223	/*
	224	* We stash a pointer to our private neighbour information after our
	225	* hardware address in neigh->ha. The ALIGN() expression here makes
	226	* sure that this pointer is stored aligned so that an unaligned
	227	* load is not needed to dereference it.
	228	*/
1da177e4 LT	229	static inline struct ipoib_neigh *to_ipoib_neigh(struct neighbour neigh)
1da177e4 LT	230	{
44af79f9 MT	231	return (void*) neigh + ALIGN(offsetof(struct neighbour, ha) +
44af79f9 MT	232	INFINIBAND_ALEN, sizeof(void *));
1da177e4 LT	233	}
1da177e4 LT	234
d2e0655e MT	235	struct ipoib_neigh ipoib_neigh_alloc(struct neighbour neigh);
	236	void ipoib_neigh_free(struct ipoib_neigh *neigh);
	237
1da177e4 LT	238	extern struct workqueue_struct *ipoib_workqueue;
	239
	240	/* functions */
	241
	242	void ipoib_ib_completion(struct ib_cq cq, void dev_ptr);
	243
	244	struct ipoib_ah ipoib_create_ah(struct net_device dev,
	245	struct ib_pd pd, struct ib_ah_attr attr);
	246	void ipoib_free_ah(struct kref *kref);
	247	static inline void ipoib_put_ah(struct ipoib_ah *ah)
	248	{
	249	kref_put(&ah->ref, ipoib_free_ah);
	250	}
	251
8ae5a8a2	252	int ipoib_open(struct net_device *dev);
1da177e4 LT	253	int ipoib_add_pkey_attr(struct net_device *dev);
	254
	255	void ipoib_send(struct net_device dev, struct sk_buff skb,
	256	struct ipoib_ah *address, u32 qpn);
c4028958	257	void ipoib_reap_ah(struct work_struct *work);
1da177e4 LT	258
	259	void ipoib_flush_paths(struct net_device *dev);
	260	struct ipoib_dev_priv ipoib_intf_alloc(const char format);
	261
	262	int ipoib_ib_dev_init(struct net_device dev, struct ib_device ca, int port);
c4028958	263	void ipoib_ib_dev_flush(struct work_struct *work);
1da177e4 LT	264	void ipoib_ib_dev_cleanup(struct net_device *dev);
	265
	266	int ipoib_ib_dev_open(struct net_device *dev);
	267	int ipoib_ib_dev_up(struct net_device *dev);
0b3ea082	268	int ipoib_ib_dev_down(struct net_device *dev, int flush);
1da177e4 LT	269	int ipoib_ib_dev_stop(struct net_device *dev);
	270
	271	int ipoib_dev_init(struct net_device dev, struct ib_device ca, int port);
	272	void ipoib_dev_cleanup(struct net_device *dev);
	273
c4028958	274	void ipoib_mcast_join_task(struct work_struct *work);
37c22a77	275	void ipoib_mcast_send(struct net_device dev, void mgid, struct sk_buff *skb);
1da177e4	276
c4028958	277	void ipoib_mcast_restart_task(struct work_struct *work);
1da177e4	278	int ipoib_mcast_start_thread(struct net_device *dev);
8d2cae06	279	int ipoib_mcast_stop_thread(struct net_device *dev, int flush);
1da177e4 LT	280
	281	void ipoib_mcast_dev_down(struct net_device *dev);
	282	void ipoib_mcast_dev_flush(struct net_device *dev);
	283
8ae5a8a2	284	#ifdef CONFIG_INFINIBAND_IPOIB_DEBUG
1da177e4	285	struct ipoib_mcast_iter ipoib_mcast_iter_init(struct net_device dev);
1da177e4 LT	286	int ipoib_mcast_iter_next(struct ipoib_mcast_iter *iter);
	287	void ipoib_mcast_iter_read(struct ipoib_mcast_iter *iter,
	288	union ib_gid *gid,
	289	unsigned long *created,
	290	unsigned int *queuelen,
	291	unsigned int *complete,
	292	unsigned int *send_only);
1732b0ef RD	293
	294	struct ipoib_path_iter ipoib_path_iter_init(struct net_device dev);
	295	int ipoib_path_iter_next(struct ipoib_path_iter *iter);
	296	void ipoib_path_iter_read(struct ipoib_path_iter *iter,
	297	struct ipoib_path *path);
8ae5a8a2	298	#endif
1da177e4 LT	299
	300	int ipoib_mcast_attach(struct net_device *dev, u16 mlid,
	301	union ib_gid *mgid);
	302	int ipoib_mcast_detach(struct net_device *dev, u16 mlid,
	303	union ib_gid *mgid);
	304
5b6810e0	305	int ipoib_init_qp(struct net_device *dev);
1da177e4 LT	306	int ipoib_transport_dev_init(struct net_device dev, struct ib_device ca);
	307	void ipoib_transport_dev_cleanup(struct net_device *dev);
	308
	309	void ipoib_event(struct ib_event_handler *handler,
	310	struct ib_event *record);
	311
	312	int ipoib_vlan_add(struct net_device *pdev, unsigned short pkey);
	313	int ipoib_vlan_delete(struct net_device *pdev, unsigned short pkey);
	314
c4028958	315	void ipoib_pkey_poll(struct work_struct *work);
1da177e4 LT	316	int ipoib_pkey_dev_delay_open(struct net_device *dev);
	317
	318	#ifdef CONFIG_INFINIBAND_IPOIB_DEBUG
1732b0ef RD	319	void ipoib_create_debug_files(struct net_device *dev);
1732b0ef RD	320	void ipoib_delete_debug_files(struct net_device *dev);
1da177e4 LT	321	int ipoib_register_debugfs(void);
	322	void ipoib_unregister_debugfs(void);
	323	#else
1732b0ef RD	324	static inline void ipoib_create_debug_files(struct net_device *dev) { }
1732b0ef RD	325	static inline void ipoib_delete_debug_files(struct net_device *dev) { }
1da177e4 LT	326	static inline int ipoib_register_debugfs(void) { return 0; }
	327	static inline void ipoib_unregister_debugfs(void) { }
	328	#endif
	329
	330
	331	#define ipoib_printk(level, priv, format, arg...) \
	332	printk(level "%s: " format, ((struct ipoib_dev_priv *) priv)->dev->name , ## arg)
	333	#define ipoib_warn(priv, format, arg...) \
	334	ipoib_printk(KERN_WARNING, priv, format , ## arg)
	335
0f485251 SM	336	extern int ipoib_sendq_size;
0f485251 SM	337	extern int ipoib_recvq_size;
1da177e4	338
c1a0b23b MT	339	extern struct ib_sa_client ipoib_sa_client;
c1a0b23b MT	340
1da177e4 LT	341	#ifdef CONFIG_INFINIBAND_IPOIB_DEBUG
	342	extern int ipoib_debug_level;
	343
	344	#define ipoib_dbg(priv, format, arg...) \
	345	do { \
	346	if (ipoib_debug_level > 0) \
	347	ipoib_printk(KERN_DEBUG, priv, format , ## arg); \
	348	} while (0)
	349	#define ipoib_dbg_mcast(priv, format, arg...) \
	350	do { \
	351	if (mcast_debug_level > 0) \
	352	ipoib_printk(KERN_DEBUG, priv, format , ## arg); \
	353	} while (0)
	354	#else /* CONFIG_INFINIBAND_IPOIB_DEBUG */
	355	#define ipoib_dbg(priv, format, arg...) \
	356	do { (void) (priv); } while (0)
	357	#define ipoib_dbg_mcast(priv, format, arg...) \
	358	do { (void) (priv); } while (0)
	359	#endif /* CONFIG_INFINIBAND_IPOIB_DEBUG */
	360
	361	#ifdef CONFIG_INFINIBAND_IPOIB_DEBUG_DATA
	362	#define ipoib_dbg_data(priv, format, arg...) \
	363	do { \
	364	if (data_debug_level > 0) \
	365	ipoib_printk(KERN_DEBUG, priv, format , ## arg); \
	366	} while (0)
	367	#else /* CONFIG_INFINIBAND_IPOIB_DEBUG_DATA */
	368	#define ipoib_dbg_data(priv, format, arg...) \
	369	do { (void) (priv); } while (0)
	370	#endif /* CONFIG_INFINIBAND_IPOIB_DEBUG_DATA */
	371
	372
37c22a77 JM	373	#define IPOIB_GID_FMT "%2.2x%2.2x:%2.2x%2.2x:%2.2x%2.2x:%2.2x%2.2x:" \
	374	"%2.2x%2.2x:%2.2x%2.2x:%2.2x%2.2x:%2.2x%2.2x"
	375
	376	#define IPOIB_GID_RAW_ARG(gid) ((u8 *)(gid))[0], \
	377	((u8 *)(gid))[1], \
	378	((u8 *)(gid))[2], \
	379	((u8 *)(gid))[3], \
	380	((u8 *)(gid))[4], \
	381	((u8 *)(gid))[5], \
	382	((u8 *)(gid))[6], \
	383	((u8 *)(gid))[7], \
	384	((u8 *)(gid))[8], \
	385	((u8 *)(gid))[9], \
	386	((u8 *)(gid))[10],\
	387	((u8 *)(gid))[11],\
	388	((u8 *)(gid))[12],\
	389	((u8 *)(gid))[13],\
	390	((u8 *)(gid))[14],\
	391	((u8 *)(gid))[15]
	392
	393	#define IPOIB_GID_ARG(gid) IPOIB_GID_RAW_ARG((gid).raw)
1da177e4 LT	394
1da177e4 LT	395	#endif /* _IPOIB_H */