#ifndef __LNET_LIB_TYPES_H__
#define __LNET_LIB_TYPES_H__
-#ifdef __KERNEL__
-# include <linux/uio.h>
-# include <linux/types.h>
-# include <net/sock.h>
-#else /* !__KERNEL__ */
-# include <sys/types.h>
-#endif /* __KERNEL__ */
-
-#include <libcfs/libcfs.h>
-#include <libcfs/list.h>
-#include <lnet/types.h>
-#include <lnet/lnetctl.h>
+#ifndef __KERNEL__
+# error This include is only for kernel use.
+#endif
-#define WIRE_ATTR __attribute__((packed))
+#include <linux/uio.h>
+#include <linux/types.h>
+#include <net/sock.h>
-/* Packed version of lnet_process_id_t to transfer via network */
-typedef struct {
- lnet_nid_t nid;
- lnet_pid_t pid; /* node id / process id */
-} WIRE_ATTR lnet_process_id_packed_t;
-
-/* The wire handle's interface cookie only matches one network interface in
- * one epoch (i.e. new cookie when the interface restarts or the node
- * reboots). The object cookie only matches one object on that interface
- * during that object's lifetime (i.e. no cookie re-use). */
-typedef struct {
- __u64 wh_interface_cookie;
- __u64 wh_object_cookie;
-} WIRE_ATTR lnet_handle_wire_t;
-
-typedef enum {
- LNET_MSG_ACK = 0,
- LNET_MSG_PUT,
- LNET_MSG_GET,
- LNET_MSG_REPLY,
- LNET_MSG_HELLO,
-} lnet_msg_type_t;
-
-/* The variant fields of the portals message header are aligned on an 8
- * byte boundary in the message header. Note that all types used in these
- * wire structs MUST be fixed size and the smaller types are placed at the
- * end. */
-typedef struct lnet_ack {
- lnet_handle_wire_t dst_wmd;
- __u64 match_bits;
- __u32 mlength;
-} WIRE_ATTR lnet_ack_t;
-
-typedef struct lnet_put {
- lnet_handle_wire_t ack_wmd;
- __u64 match_bits;
- __u64 hdr_data;
- __u32 ptl_index;
- __u32 offset;
-} WIRE_ATTR lnet_put_t;
-
-typedef struct lnet_get {
- lnet_handle_wire_t return_wmd;
- __u64 match_bits;
- __u32 ptl_index;
- __u32 src_offset;
- __u32 sink_length;
-} WIRE_ATTR lnet_get_t;
-
-typedef struct lnet_reply {
- lnet_handle_wire_t dst_wmd;
-} WIRE_ATTR lnet_reply_t;
-
-typedef struct lnet_hello {
- __u64 incarnation;
- __u32 type;
-} WIRE_ATTR lnet_hello_t;
+#include <lnet/lnetctl.h>
-typedef struct {
- lnet_nid_t dest_nid;
- lnet_nid_t src_nid;
- lnet_pid_t dest_pid;
- lnet_pid_t src_pid;
- __u32 type; /* lnet_msg_type_t */
- __u32 payload_length; /* payload data to follow */
- /*<------__u64 aligned------->*/
- union {
- lnet_ack_t ack;
- lnet_put_t put;
- lnet_get_t get;
- lnet_reply_t reply;
- lnet_hello_t hello;
- } msg;
-} WIRE_ATTR lnet_hdr_t;
-
-/* A HELLO message contains a magic number and protocol version
- * code in the header's dest_nid, the peer's NID in the src_nid, and
- * LNET_MSG_HELLO in the type field. All other common fields are zero
- * (including payload_size; i.e. no payload).
- * This is for use by byte-stream LNDs (e.g. TCP/IP) to check the peer is
- * running the same protocol and to find out its NID. These LNDs should
- * exchange HELLO messages when a connection is first established. Individual
- * LNDs can put whatever else they fancy in lnet_hdr_t::msg.
- */
-typedef struct {
- __u32 magic; /* LNET_PROTO_TCP_MAGIC */
- __u16 version_major; /* increment on incompatible change */
- __u16 version_minor; /* increment on compatible change */
-} WIRE_ATTR lnet_magicversion_t;
-
-/* PROTO MAGIC for LNDs */
-#define LNET_PROTO_IB_MAGIC 0x0be91b91
-#define LNET_PROTO_RA_MAGIC 0x0be91b92
-#define LNET_PROTO_QSW_MAGIC 0x0be91b93
-#define LNET_PROTO_GNI_MAGIC 0xb00fbabe /* ask Kim */
-#define LNET_PROTO_TCP_MAGIC 0xeebc0ded
-#define LNET_PROTO_PTL_MAGIC 0x50746C4E /* 'PtlN' unique magic */
-#define LNET_PROTO_MX_MAGIC 0x4d583130 /* 'MX10'! */
-#define LNET_PROTO_ACCEPTOR_MAGIC 0xacce7100
-#define LNET_PROTO_PING_MAGIC 0x70696E67 /* 'ping' */
-
-/* Placeholder for a future "unified" protocol across all LNDs */
-/* Current LNDs that receive a request with this magic will respond with a
- * "stub" reply using their current protocol */
-#define LNET_PROTO_MAGIC 0x45726963 /* ! */
-
-
-#define LNET_PROTO_TCP_VERSION_MAJOR 1
-#define LNET_PROTO_TCP_VERSION_MINOR 0
-
-/* Acceptor connection request */
-typedef struct {
- __u32 acr_magic; /* PTL_ACCEPTOR_PROTO_MAGIC */
- __u32 acr_version; /* protocol version */
- __u64 acr_nid; /* target NID */
-} WIRE_ATTR lnet_acceptor_connreq_t;
+/* Max payload size */
+#ifndef CONFIG_LNET_MAX_PAYLOAD
+# error "CONFIG_LNET_MAX_PAYLOAD must be defined in config.h"
+#endif
-#define LNET_PROTO_ACCEPTOR_VERSION 1
+#define LNET_MAX_PAYLOAD CONFIG_LNET_MAX_PAYLOAD
+#if (LNET_MAX_PAYLOAD < LNET_MTU)
+# error "LNET_MAX_PAYLOAD too small - error in configure --with-max-payload-mb"
+#elif (LNET_MAX_PAYLOAD > (PAGE_SIZE * LNET_MAX_IOV))
+# error "LNET_MAX_PAYLOAD too large - error in configure --with-max-payload-mb"
+#endif
/* forward refs */
struct lnet_libmd;
int (*lnd_accept)(struct lnet_ni *ni, struct socket *sock);
} lnd_t;
-#define LNET_NI_STATUS_UP 0x15aac0de
-#define LNET_NI_STATUS_DOWN 0xdeadface
-#define LNET_NI_STATUS_INVALID 0x00000000
typedef struct {
lnet_nid_t ns_nid;
__u32 ns_status;
struct list_head tq_delayed; /* delayed TXs */
};
-#define LNET_MAX_INTERFACES 16
-
typedef struct lnet_ni {
spinlock_t ni_lock;
struct list_head ni_list; /* chain on ln_nis */
lnet_kiov_t rb_kiov[0]; /* the buffer space */
} lnet_rtrbuf_t;
-typedef struct lnet_counters {
- __u32 msgs_alloc;
- __u32 msgs_max;
- __u32 errors;
- __u32 send_count;
- __u32 recv_count;
- __u32 route_count;
- __u32 drop_count;
- __u64 send_length;
- __u64 recv_length;
- __u64 route_length;
- __u64 drop_length;
-} WIRE_ATTR lnet_counters_t;
-
#define LNET_PEER_HASHSIZE 503 /* prime! */
-#define LNET_TINY_BUF_IDX 0
-#define LNET_SMALL_BUF_IDX 1
-#define LNET_LARGE_BUF_IDX 2
-
-/* # different router buffer pools */
-#define LNET_NRBPOOLS (LNET_LARGE_BUF_IDX + 1)
-
enum {
/* Didn't match anything */
LNET_MATCHMD_NONE = (1 << 0),
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