2 * Copyright 2000, International Business Machines Corporation and others.
5 * This software has been released under the terms of the IBM Public
6 * License. For details, see the LICENSE file in the top-level source
7 * directory or online at http://www.openafs.org/dl/license10.html
10 #include <afsconfig.h>
11 #include <afs/param.h>
17 #include <sys/ioctl.h>
18 #include <sys/socket.h>
22 #include <netinet/in.h>
26 #include <afs/venus.h>
32 #include "afs/prs_fs.h"
33 #include <afs/afsint.h>
35 #include <afs/cellconfig.h>
38 #include <afs/com_err.h>
41 #define MAXINSIZE 1300 /* pioctl complains if data is larger than this */
42 #define VMSGSIZE 128 /* size of msg buf in volume hdr */
44 static char space[MAXSIZE];
45 static char tspace[1024];
46 static struct ubik_client *uclient;
49 static char pn[] = "fs";
50 static int rxInitDone = 0;
53 Twiddle(struct cmd_syndesc *as, void *arock)
56 struct ViceIoctl blob;
61 ti = as->parms[0].items;
66 rxp.rx_initReceiveWindow = tmp;
67 ti = as->parms[1].items;
72 rxp.rx_maxReceiveWindow = tmp;
73 ti = as->parms[2].items;
78 rxp.rx_initSendWindow = tmp;
79 ti = as->parms[3].items;
84 rxp.rx_maxSendWindow = tmp;
85 ti = as->parms[4].items;
90 rxp.rxi_nSendFrags = tmp;
91 ti = as->parms[5].items;
96 rxp.rxi_nRecvFrags = tmp;
97 ti = as->parms[6].items;
102 rxp.rxi_OrphanFragSize = tmp;
103 ti = as->parms[7].items;
104 if (ti && ti->data) {
105 tmp = atoi(ti->data);
108 rxp.rx_maxReceiveSize = tmp;
109 ti = as->parms[8].items;
110 if (ti && ti->data) {
111 tmp = atoi(ti->data);
114 rxp.rx_MyMaxSendSize = tmp;
116 blob.in = (char *)&rxp;
117 blob.out = (char *)&rxp;
118 blob.in_size = sizeof(rxp);
119 blob.out_size = sizeof(rxp);
120 code = pioctl(0, VIOC_TWIDDLE, &blob, 1);
128 #include "AFS_component_version_number.c"
134 register afs_int32 code;
135 register struct cmd_syndesc *ts;
139 * The following signal action for AIX is necessary so that in case of a
140 * crash (i.e. core is generated) we can include the user's data section
141 * in the core dump. Unfortunately, by default, only a partial core is
142 * generated which, in many cases, isn't too useful.
144 struct sigaction nsa;
146 sigemptyset(&nsa.sa_mask);
147 nsa.sa_handler = SIG_DFL;
148 nsa.sa_flags = SA_FULLDUMP;
149 sigaction(SIGSEGV, &nsa, NULL);
151 /* try to find volume location information */
154 ts = cmd_CreateSyntax(NULL, Twiddle, NULL, "adjust rx parms");
155 cmd_AddParm(ts, "-initReceiveWindow ", CMD_SINGLE, CMD_OPTIONAL, "16");
156 cmd_AddParm(ts, "-maxReceiveWindow ", CMD_SINGLE, CMD_OPTIONAL, "16");
157 cmd_AddParm(ts, "-initSendWindow ", CMD_SINGLE, CMD_OPTIONAL, "8");
158 cmd_AddParm(ts, "-maxSendWindow ", CMD_SINGLE, CMD_OPTIONAL, "16");
159 cmd_AddParm(ts, "-nSendFrags ", CMD_SINGLE, CMD_OPTIONAL, "4");
160 cmd_AddParm(ts, "-nRecvFrags ", CMD_SINGLE, CMD_OPTIONAL, "4");
161 cmd_AddParm(ts, "-OrphanFragSize ", CMD_SINGLE, CMD_OPTIONAL, "512");
162 cmd_AddParm(ts, "-maxReceiveSize ", CMD_SINGLE, CMD_OPTIONAL, "");
163 cmd_AddParm(ts, "-MyMaxSendSize ", CMD_SINGLE, CMD_OPTIONAL, "");
165 code = cmd_Dispatch(argc, argv);
177 if (errno == EINVAL) {
180 "%s: Invalid argument; it is possible that %s is not in AFS.\n",
183 fprintf(stderr, "%s: Invalid argument.\n", pn);
184 } else if (errno == ENOENT) {
186 fprintf(stderr, "%s: File '%s' doesn't exist\n", pn, filename);
188 fprintf(stderr, "%s: no such file returned\n", pn);
189 } else if (errno == EROFS)
191 "%s: You can not change a backup or readonly volume\n", pn);
192 else if (errno == EACCES || errno == EPERM) {
195 "%s: You don't have the required access rights on '%s'\n",
199 "%s: You do not have the required rights to do this operation\n",
203 fprintf(stderr, "%s:'%s'", pn, filename);
205 fprintf(stderr, "%s", pn);
206 fprintf(stderr, ": %s\n", afs_error_message(errno));