Linux-2.6.12-rc2v2.6.12-rc2

Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.

Let it rip!

1 files changed, 353 insertions, 0 deletions

diff --git a/drivers/infiniband/ulp/ipoib/ipoib.h b/drivers/infiniband/ulp/ipoib/ipoib.h
new file mode 100644
index 00000000000..04c98f54e9c
--- /dev/null
+++ b/drivers/infiniband/ulp/ipoib/ipoib.h
@@ -0,0 +1,353 @@
+/*
+ * Copyright (c) 2004, 2005 Topspin Communications.  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 */