X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lnet%2Finclude%2Flnet%2Fsocklnd.h;h=ff1fe2381768d56c38912123eb7bc8ad4840c652;hb=3e37ac8bb7e068a3070f5770570766ad87270186;hp=41877f400b3e94381caa73e41c17d93fc90ebf50;hpb=70e80ade90af09300396706b8910e196a7928520;p=fs%2Flustre-release.git diff --git a/lnet/include/lnet/socklnd.h b/lnet/include/lnet/socklnd.h index 41877f4..ff1fe23 100644 --- a/lnet/include/lnet/socklnd.h +++ b/lnet/include/lnet/socklnd.h @@ -1,6 +1,4 @@ -/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*- - * vim:expandtab:shiftwidth=8:tabstop=8: - * +/* * GPL HEADER START * * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. @@ -16,74 +14,86 @@ * in the LICENSE file that accompanied this code). * * You should have received a copy of the GNU General Public License - * version 2 along with this program; If not, see [sun.com URL with a - * copy of GPLv2]. - * - * 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. + * version 2 along with this program; If not, see + * http://www.gnu.org/licenses/gpl-2.0.html * * GPL HEADER END */ /* - * Copyright 2008 Sun Microsystems, Inc. All rights reserved + * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. * Use is subject to license terms. */ /* * 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 -#include +#include +#include -#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 +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 */ - 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; +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; /* SOCKLND_CONN_* */ + __u32 kshm_nips; /* sent as zero */ + __u32 kshm_ips[0]; /* deprecated */ +} __packed; -typedef struct { - lnet_hdr_t ksnm_hdr; /* lnet hdr */ - char ksnm_payload[0];/* lnet payload */ -} WIRE_ATTR ksock_lnet_msg_t; +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; -typedef struct { - __u32 ksm_type; /* type of socklnd message */ - __u32 ksm_csum; /* checksum if != 0 */ - __u64 ksm_zc_req_cookie; /* ack required if != 0 */ - __u64 ksm_zc_ack_cookie; /* ack if != 0 */ - union { - ksock_lnet_msg_t lnetmsg; /* lnet message, it's empty if it's NOOP */ - } WIRE_ATTR ksm_u; -} WIRE_ATTR ksock_msg_t; +#define KSOCK_MSG_NOOP 0xc0 /* empty */ +#define KSOCK_MSG_LNET 0xc1 /* lnet msg */ -#define KSOCK_MSG_NOOP 0xc0 /* ksm_u empty */ -#define KSOCK_MSG_LNET 0xc1 /* lnet msg */ +struct ksock_msg { + struct ksock_msg_hdr ksm_kh; + union { + /* 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 + * other LND (usocklnd, for example) */ +#define KSOCK_PROTO_V2 2 +#define KSOCK_PROTO_V3 3 +#define KSOCK_PROTO_V4 4 #endif