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7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
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11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
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17 * version 2 along with this program; If not, see
18 * http://www.gnu.org/licenses/gpl-2.0.html
23 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Use is subject to license terms.
26 * Copyright (c) 2012, Intel Corporation.
29 * This file is part of Lustre, http://www.lustre.org/
31 * lnet/selftest/conctl.c
33 * Test client & Server
35 * Author: Liang Zhen <liangzhen@clusterfs.com>
40 #define LST_PING_TEST_MAGIC 0xbabeface
42 static int ping_srv_workitems = SFW_TEST_WI_MAX;
43 module_param(ping_srv_workitems, int, 0644);
44 MODULE_PARM_DESC(ping_srv_workitems, "# PING server workitems");
46 struct lst_ping_data {
47 spinlock_t pnd_lock; /* serialize */
48 int pnd_counter; /* sequence counter */
51 static struct lst_ping_data lst_ping_data;
54 ping_client_init(struct sfw_test_instance *tsi)
56 struct sfw_session *sn = tsi->tsi_batch->bat_session;
58 LASSERT(tsi->tsi_is_client);
59 LASSERT(sn != NULL && (sn->sn_features & ~LST_FEATS_MASK) == 0);
61 spin_lock_init(&lst_ping_data.pnd_lock);
62 lst_ping_data.pnd_counter = 0;
68 ping_client_fini(struct sfw_test_instance *tsi)
70 struct sfw_session *sn = tsi->tsi_batch->bat_session;
74 LASSERT (tsi->tsi_is_client);
76 errors = atomic_read(&sn->sn_ping_errors);
78 CWARN ("%d pings have failed.\n", errors);
80 CDEBUG (D_NET, "Ping test finished OK.\n");
84 ping_client_prep_rpc(struct sfw_test_unit *tsu, struct lnet_process_id dest,
85 struct srpc_client_rpc **rpc)
87 struct srpc_ping_reqst *req;
88 struct sfw_test_instance *tsi = tsu->tsu_instance;
89 struct sfw_session *sn = tsi->tsi_batch->bat_session;
94 LASSERT((sn->sn_features & ~LST_FEATS_MASK) == 0);
96 rc = sfw_create_test_rpc(tsu, dest, sn->sn_features, 0, 0, rpc);
100 req = &(*rpc)->crpc_reqstmsg.msg_body.ping_reqst;
102 req->pnr_magic = LST_PING_TEST_MAGIC;
104 spin_lock(&lst_ping_data.pnd_lock);
105 req->pnr_seq = lst_ping_data.pnd_counter++;
106 spin_unlock(&lst_ping_data.pnd_lock);
108 ktime_get_real_ts64(&ts);
109 req->pnr_time_sec = ts.tv_sec;
110 req->pnr_time_nsec = ts.tv_nsec;
116 ping_client_done_rpc(struct sfw_test_unit *tsu, struct srpc_client_rpc *rpc)
118 struct sfw_test_instance *tsi = tsu->tsu_instance;
119 struct sfw_session *sn = tsi->tsi_batch->bat_session;
120 struct srpc_ping_reqst *reqst = &rpc->crpc_reqstmsg.msg_body.ping_reqst;
121 struct srpc_ping_reply *reply = &rpc->crpc_replymsg.msg_body.ping_reply;
122 struct timespec64 ts;
126 if (rpc->crpc_status != 0) {
127 if (!tsi->tsi_stopping) /* rpc could have been aborted */
128 atomic_inc(&sn->sn_ping_errors);
129 CERROR ("Unable to ping %s (%d): %d\n",
130 libcfs_id2str(rpc->crpc_dest),
131 reqst->pnr_seq, rpc->crpc_status);
135 if (rpc->crpc_replymsg.msg_magic != SRPC_MSG_MAGIC) {
136 __swab32s(&reply->pnr_seq);
137 __swab32s(&reply->pnr_magic);
138 __swab32s(&reply->pnr_status);
141 if (reply->pnr_magic != LST_PING_TEST_MAGIC) {
142 rpc->crpc_status = -EBADMSG;
143 atomic_inc(&sn->sn_ping_errors);
144 CERROR ("Bad magic %u from %s, %u expected.\n",
145 reply->pnr_magic, libcfs_id2str(rpc->crpc_dest),
146 LST_PING_TEST_MAGIC);
150 if (reply->pnr_seq != reqst->pnr_seq) {
151 rpc->crpc_status = -EBADMSG;
152 atomic_inc(&sn->sn_ping_errors);
153 CERROR ("Bad seq %u from %s, %u expected.\n",
154 reply->pnr_seq, libcfs_id2str(rpc->crpc_dest),
159 ktime_get_real_ts64(&ts);
160 CDEBUG(D_NET, "%d reply in %llu nsec\n", reply->pnr_seq,
161 (u64)((ts.tv_sec - reqst->pnr_time_sec) * NSEC_PER_SEC +
162 (ts.tv_nsec - reqst->pnr_time_nsec)));
166 ping_server_handle(struct srpc_server_rpc *rpc)
168 struct srpc_service *sv = rpc->srpc_scd->scd_svc;
169 struct srpc_msg *reqstmsg = &rpc->srpc_reqstbuf->buf_msg;
170 struct srpc_msg *replymsg = &rpc->srpc_replymsg;
171 struct srpc_ping_reqst *req = &reqstmsg->msg_body.ping_reqst;
172 struct srpc_ping_reply *rep = &rpc->srpc_replymsg.msg_body.ping_reply;
174 LASSERT (sv->sv_id == SRPC_SERVICE_PING);
176 if (reqstmsg->msg_magic != SRPC_MSG_MAGIC) {
177 LASSERT (reqstmsg->msg_magic == __swab32(SRPC_MSG_MAGIC));
179 __swab32s(&req->pnr_seq);
180 __swab32s(&req->pnr_magic);
181 __swab64s(&req->pnr_time_sec);
182 __swab64s(&req->pnr_time_nsec);
184 LASSERT (reqstmsg->msg_type == srpc_service2request(sv->sv_id));
186 if (req->pnr_magic != LST_PING_TEST_MAGIC) {
187 CERROR ("Unexpect magic %08x from %s\n",
188 req->pnr_magic, libcfs_id2str(rpc->srpc_peer));
192 rep->pnr_seq = req->pnr_seq;
193 rep->pnr_magic = LST_PING_TEST_MAGIC;
195 if ((reqstmsg->msg_ses_feats & ~LST_FEATS_MASK) != 0) {
196 replymsg->msg_ses_feats = LST_FEATS_MASK;
197 rep->pnr_status = EPROTO;
201 replymsg->msg_ses_feats = reqstmsg->msg_ses_feats;
203 CDEBUG(D_NET, "Get ping %d from %s\n",
204 req->pnr_seq, libcfs_id2str(rpc->srpc_peer));
208 struct sfw_test_client_ops ping_test_client;
210 void ping_init_test_client(void)
212 ping_test_client.tso_init = ping_client_init;
213 ping_test_client.tso_fini = ping_client_fini;
214 ping_test_client.tso_prep_rpc = ping_client_prep_rpc;
215 ping_test_client.tso_done_rpc = ping_client_done_rpc;
218 struct srpc_service ping_test_service;
220 void ping_init_test_service(void)
222 ping_test_service.sv_id = SRPC_SERVICE_PING;
223 ping_test_service.sv_name = "ping_test";
224 ping_test_service.sv_handler = ping_server_handle;
225 ping_test_service.sv_wi_total = ping_srv_workitems;