X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lnet%2Finclude%2Flnet%2Fsocklnd.h;h=ff1fe2381768d56c38912123eb7bc8ad4840c652;hb=3e37ac8bb7e068a3070f5770570766ad87270186;hp=cc455b37c957e4c4d960b5dd7cf8534cac58da8c;hpb=054ecbba403b2be103be7418289c87e1658cdbd6;p=fs%2Flustre-release.git

diff --git a/lnet/include/lnet/socklnd.h b/lnet/include/lnet/socklnd.h
index cc455b3..ff1fe23 100644
--- a/lnet/include/lnet/socklnd.h
+++ b/lnet/include/lnet/socklnd.h
@@ -15,11 +15,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
+ * http://www.gnu.org/licenses/gpl-2.0.html
  *
  * GPL HEADER END
  */
@@ -29,74 +25,75 @@
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
  *
  * lnet/include/lnet/socklnd.h
- *
- * #defines shared between socknal implementation and utilities
  */
 #ifndef __LNET_LNET_SOCKLND_H__
 #define __LNET_LNET_SOCKLND_H__
 
-#include <lnet/types.h>
-
-#define SOCKLND_CONN_NONE     (-1)
-#define SOCKLND_CONN_ANY	0
-#define SOCKLND_CONN_CONTROL	1
-#define SOCKLND_CONN_BULK_IN	2
-#define SOCKLND_CONN_BULK_OUT	3
-#define SOCKLND_CONN_NTYPES	4
+#include <uapi/linux/lnet/lnet-types.h>
+#include <uapi/linux/lnet/socklnd.h>
 
-#define SOCKLND_CONN_ACK	SOCKLND_CONN_BULK_IN
+struct ksock_hello_msg {
+	__u32			kshm_magic;	/* LNET_PROTO_MAGIC */
+	__u32			kshm_version;	/* KSOCK_PROTO_V* */
+	struct lnet_nid		kshm_src_nid;	/* sender's nid */
+	struct lnet_nid		kshm_dst_nid;	/* destination nid */
+	lnet_pid_t		kshm_src_pid;	/* sender's pid */
+	lnet_pid_t		kshm_dst_pid;	/* destination pid */
+	__u64			kshm_src_incarnation; /* sender's incarnation */
+	__u64			kshm_dst_incarnation; /* destination's incarnation */
+	__u32			kshm_ctype;	/* SOCKLND_CONN_* */
+	__u32			kshm_nips;	/* always sent as zero */
+	__u32			kshm_ips[0];	/* deprecated */
+} __packed;
 
-typedef struct {
-	__u32			kshm_magic;	/* magic number of socklnd message */
-	__u32			kshm_version;	/* version of socklnd message */
+struct ksock_hello_msg_nid4 {
+	__u32			kshm_magic;	/* LNET_PROTO_MAGIC */
+	__u32			kshm_version;	/* KSOCK_PROTO_V* */
 	lnet_nid_t		kshm_src_nid;	/* sender's nid */
 	lnet_nid_t		kshm_dst_nid;	/* destination nid */
 	lnet_pid_t		kshm_src_pid;	/* sender's pid */
 	lnet_pid_t		kshm_dst_pid;	/* destination pid */
 	__u64			kshm_src_incarnation; /* sender's incarnation */
 	__u64			kshm_dst_incarnation; /* destination's incarnation */
-	__u32			kshm_ctype;	/* connection type */
-	__u32			kshm_nips;	/* # IP addrs */
-	__u32			kshm_ips[0];	/* IP addrs */
-} WIRE_ATTR ksock_hello_msg_t;
+	__u32			kshm_ctype;	/* SOCKLND_CONN_* */
+	__u32			kshm_nips;	/* sent as zero */
+	__u32			kshm_ips[0];	/* deprecated */
+} __packed;
 
-typedef struct {
-	lnet_hdr_t		ksnm_hdr;	/* lnet hdr */
+struct ksock_msg_hdr {
+	__u32			ksh_type;	/* type of socklnd message */
+	__u32			ksh_csum;	/* checksum if != 0 */
+	__u64			ksh_zc_cookies[2]; /* Zero-Copy request/ACK
+						    * cookie
+						    */
+} __packed;
 
-	/*
-	 * ksnm_payload is removed because of winnt compiler's limitation:
-	 * zero-sized array can only be placed at the tail of [nested]
-	 * structure definitions. lnet payload will be stored just after
-	 * the body of structure ksock_lnet_msg_t
-	 */
-} WIRE_ATTR ksock_lnet_msg_t;
+#define KSOCK_MSG_NOOP		0xc0		/* empty */
+#define KSOCK_MSG_LNET		0xc1		/* lnet msg */
 
-typedef struct {
-	__u32			ksm_type;	/* type of socklnd message */
-	__u32			ksm_csum;	/* checksum if != 0 */
-	__u64			ksm_zc_cookies[2]; /* Zero-Copy request/ACK cookie */
+struct ksock_msg {
+	struct ksock_msg_hdr	ksm_kh;
 	union {
-		ksock_lnet_msg_t lnetmsg;	/* lnet message, it's empty if it's NOOP */
-	} WIRE_ATTR ksm_u;
-} WIRE_ATTR ksock_msg_t;
-
-static inline void
-socklnd_init_msg(ksock_msg_t *msg, int type)
-{
-	msg->ksm_csum		= 0;
-	msg->ksm_type		= type;
-	msg->ksm_zc_cookies[0]	= msg->ksm_zc_cookies[1]  = 0;
-}
-
-#define KSOCK_MSG_NOOP		0xc0		/* ksm_u empty */
-#define KSOCK_MSG_LNET		0xc1		/* lnet msg */
+		/* case ksm_kh.ksh_type == KSOCK_MSG_NOOP */
+		/* - nothing */
+		/* case ksm_kh.ksh_type == KSOCK_MSG_LNET */
+		struct lnet_hdr_nid4 lnetmsg_nid4;
+		/* case ksm_kh.ksh_type == KSOCK_MSG_LNET &&
+		 *      kshm_version >= KSOCK_PROTO_V4
+		 */
+		struct lnet_hdr_nid16 lnetmsg_nid16;
+	} __packed ksm_u;
+} __packed;
+#define ksm_type ksm_kh.ksh_type
+#define ksm_csum ksm_kh.ksh_csum
+#define ksm_zc_cookies ksm_kh.ksh_zc_cookies
 
 /* We need to know this number to parse hello msg from ksocklnd in
  * other LND (usocklnd, for example) */
 #define KSOCK_PROTO_V2		2
 #define KSOCK_PROTO_V3		3
+#define KSOCK_PROTO_V4		4
 
 #endif