1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
24 */
25
26 #include <sys/types.h>
27 #include <sys/conf.h>
28 #include <sys/modctl.h>
29 #include <sys/stream.h>
30 #include <sys/strsubr.h>
31 #include <sys/stropts.h>
32 #define _SUN_TPI_VERSION 2
33 #include <sys/ddi.h>
34 #include <sys/sunddi.h>
35 #include <sys/cmn_err.h>
36 #include <sys/debug.h>
37 #include <sys/vtrace.h>
38 #include <sys/errno.h>
39 #include <inet/common.h>
40 #include <inet/led.h>
41 #include <inet/mi.h>
42 #include <inet/nd.h>
43 #include <sys/strsun.h>
44
45 #include <fs/sockfs/nl7c.h>
46 #include <fs/sockfs/nl7curi.h>
47
48 #include <inet/nca/nca.h>
49 #include <inet/nca/ncalogd.h>
50
51 /*
52 * This file is for NCA compatability, specifically it provides ndd
53 * support for existing NCA ndd ...
54 */
55
56 extern boolean_t nl7c_logd_enabled;
57 extern nca_fio_t *nl7c_logd_fio;
58 extern clock_t nl7c_uri_ttl;
59 extern boolean_t nl7c_use_kmem;
60 extern uint64_t nl7c_file_prefetch;
61 extern uint64_t nl7c_uri_max;
62 extern uint64_t nl7c_uri_bytes;
63
64 extern void nl7c_mi_report_addr(mblk_t *);
65
66 #define MS 1L
67 #define SECONDS (1000 * MS)
68 #define MINUTES (60 * SECONDS)
69 #define HOURS (60 * MINUTES)
70 #define DAYS (24 * HOURS)
71
72 #define PARAM_MAX UINT_MAX
73 #define PARAML_MAX ULONG_MAX
74
75 #include <inet/nca/ncandd.h>
76
77 uint32_t nca_major_version = 1;
78 uint32_t nca_minor_version = 3;
79 uint32_t nca_httpd_version = NCA_HTTP_VERSION1;
80 uint32_t nca_logd_version = NCA_LOG_VERSION1;
81
82 caddr_t nca_g_nd; /* Head of 'named dispatch' variable list */
83
84 /*
85 * min, max, and value are int64_t's, addr is the optional address of an
86 * external int64_t to be updated at init/set, name is the ndd name used
87 * to access. Note, if min == max then only get is allowed, i.e. RO.
88 */
89
90 /* BEGIN CSTYLED */
91 ncaparam_t nca_param_arr[] = {
92 /*min max value name */
93 { 0, 1, 1, "nca_log_cycle"},
94 { 0, 1, 0, "no_caching"},
95 { 0, PARAML_MAX, 0, "nca_log_size"},
96 { 0, PARAM_MAX, 10000000, "nca_max_cache_size"},
97 { 0, PARAM_MAX, 300*SECONDS, "nca_http_timeout"},
98 { 0, PARAM_MAX, 15*SECONDS, "nca_http_keep_alive_timeout"},
99 { 0, PARAM_MAX, 100, "nca_http_keep_alive_max"},
100 { 0, 1, 1, "nca_inq_nointr"},
101 { 0, 1, 1, "nca_use_hwcksum"},
102 { 0, PARAM_MAX, 0, "nca_segmap_min_size"},
103 };
104
105 /*
106 * Obsolete ip variables, use "/dev/ip" instead.
107 */
108
109 ncaparam_t nca_ip_obsolete_arr[] = {
110 { 0, 0, 0, "ip_forwarding"},
111 { 0, 0, 0, "ip_respond_to_address_mask_broadcast"},
112 { 0, 0, 0, "ip_respond_to_echo_broadcast"},
113 { 0, 0, 0, "ip_respond_to_timestamp"},
114 { 0, 0, 0, "ip_respond_to_timestamp_broadcast"},
115 { 0, 0, 0, "ip_send_redirects"},
116 { 0, 0, 0, "ip_forward_directed_broadcasts"},
117 { 0, 0, 0, "ip_debug"},
118 { 0, 0, 0, "ip_mrtdebug"},
119 { 0, 0, 0, "ip_ire_cleanup_interval" },
120 { 0, 0, 0, "ip_ire_flush_interval" },
121 { 0, 0, 0, "ip_ire_redirect_interval" },
122 { 0, 0, 0, "ip_def_ttl" },
123 { 0, 0, 0, "ip_forward_src_routed"},
124 { 0, 0, 0, "ip_wroff_extra" },
125 { 0, 0, 0, "ip_ire_pathmtu_interval" },
126 { 0, 0, 0, "ip_icmp_return_data_bytes" },
127 { 0, 0, 0, "ip_send_source_quench" },
128 { 0, 0, 0, "ip_path_mtu_discovery" },
129 { 0, 0, 0, "ip_ignore_delete_time" },
130 { 0, 0, 0, "ip_ignore_redirect" },
131 { 0, 0, 0, "ip_output_queue" },
132 { 0, 0, 0, "ip_broadcast_ttl" },
133 { 0, 0, 0, "ip_icmp_err_interval" },
134 { 0, 0, 0, "ip_reass_queue_bytes" },
135 { 0, 0, 0, "ip_strict_dst_multihoming" },
136 { 0, 0, 0, "ip_addrs_per_if"},
137 };
138
139 /*
140 * Obsolete tcp variables, use "/dev/tcp" instead.
141 */
142
143 ncaparam_t nca_tcp_obsolete_arr[] = {
144 { 0, 0, 0, "tcp_time_wait_interval"},
145 { 0, 0, 0, "tcp_conn_req_max_q" },
146 { 0, 0, 0, "tcp_conn_req_max_q0" },
147 { 0, 0, 0, "tcp_conn_req_min" },
148 { 0, 0, 0, "tcp_conn_grace_period" },
149 { 0, 0, 0, "tcp_cwnd_max" },
150 { 0, 0, 0, "tcp_debug" },
151 { 0, 0, 0, "tcp_smallest_nonpriv_port"},
152 { 0, 0, 0, "tcp_ip_abort_cinterval"},
153 { 0, 0, 0, "tcp_ip_abort_linterval"},
154 { 0, 0, 0, "tcp_ip_abort_interval"},
155 { 0, 0, 0, "tcp_ip_notify_cinterval"},
156 { 0, 0, 0, "tcp_ip_notify_interval"},
157 { 0, 0, 0, "tcp_ip_ttl"},
158 { 0, 0, 0, "tcp_keepalive_interval"},
159 { 0, 0, 0, "tcp_maxpsz_multiplier" },
160 { 0, 0, 0, "tcp_mss_def"},
161 { 0, 0, 0, "tcp_mss_max"},
162 { 0, 0, 0, "tcp_mss_min"},
163 { 0, 0, 0, "tcp_naglim_def"},
164 { 0, 0, 0, "tcp_rexmit_interval_initial"},
165 { 0, 0, 0, "tcp_rexmit_interval_max"},
166 { 0, 0, 0, "tcp_rexmit_interval_min"},
167 { 0, 0, 0, "tcp_wroff_xtra" },
168 { 0, 0, 0, "tcp_deferred_ack_interval" },
169 { 0, 0, 0, "tcp_snd_lowat_fraction" },
170 { 0, 0, 0, "tcp_sth_rcv_hiwat" },
171 { 0, 0, 0, "tcp_sth_rcv_lowat" },
172 { 0, 0, 0, "tcp_dupack_fast_retransmit" },
173 { 0, 0, 0, "tcp_ignore_path_mtu" },
174 { 0, 0, 0, "tcp_rcv_push_wait" },
175 { 0, 0, 0, "tcp_smallest_anon_port"},
176 { 0, 0, 0, "tcp_largest_anon_port"},
177 { 0, 0, 0, "tcp_xmit_hiwat"},
178 { 0, 0, 0, "tcp_xmit_lowat"},
179 { 0, 0, 0, "tcp_recv_hiwat"},
180 { 0, 0, 0, "tcp_recv_hiwat_minmss"},
181 { 0, 0, 0, "tcp_fin_wait_2_flush_interval"},
182 { 0, 0, 0, "tcp_max_buf"},
183 { 0, 0, 0, "tcp_strong_iss"},
184 { 0, 0, 0, "tcp_rtt_updates"},
185 { 0, 0, 0, "tcp_wscale_always"},
186 { 0, 0, 0, "tcp_tstamp_always"},
187 { 0, 0, 0, "tcp_tstamp_if_wscale"},
188 { 0, 0, 0, "tcp_rexmit_interval_extra"},
189 { 0, 0, 0, "tcp_deferred_acks_max"},
190 { 0, 0, 0, "tcp_slow_start_after_idle"},
191 { 0, 0, 0, "tcp_slow_start_initial"},
192 { 0, 0, 0, "tcp_sack_permitted"},
193 #ifdef DEBUG
194 { 0, 0, 0, "tcp_drop_oob"},
195 #endif
196 };
197
198 /*
199 * Obsolete nca variables, just warn.
200 */
201
202 ncaparam_t nca_nca_obsolete_arr[] = {
203 { 0, 0, 0, "nca_ipport_table_bucket"},
204 { 0, 0, 0, "nca_ipport_table_size"},
205 { 0, 0, 0, "nca_ipport_table_expand"},
206 { 0, 0, 0, "nca_ipport_table_shrink"},
207 { 0, 0, 0, "nca_ip_virtual_hosting"},
208 { 0, 0, 0, "httpd_door_address"},
209 { 0, 0, 0, "httpd_door_path"},
210 { 0, 0, 0, "httpd_downdoor_path"},
211 { 0, 0, 0, "nca_ppmax"},
212 { 0, 0, 0, "nca_vpmax"},
213 { 0, 0, 0, "nca_use_segmap"},
214 { 0, 0, 0, "nca_availrmem"},
215 { 0, 0, 0, "nca_maxkmem"},
216 { 0, 0, 0, "nca_log_file"},
217 { 0, 0, 0, "conn_status"},
218 { 0, 0, 0, "conn_status_all"},
219 { 0, 0, 0, "nca_conn_req_max_q"},
220 { 0, 0, 0, "nca_conn_req_max_q0"},
221 { 0, 0, 0, "cache_clear"},
222 { 0, 0, 0, "nca_node_hash"},
223 { 0, 0, 0, "node_status"},
224 #ifdef DEBUG
225 { 0, 0, 0, "nca_debug_counter"},
226 #endif
227 };
228 /* END CSTYLED */
229
230 static int
231 /*ARGSUSED*/
nl7c_uri_ttl_get(queue_t * q,mblk_t * mp,caddr_t cp,cred_t * cr)232 nl7c_uri_ttl_get(queue_t *q, mblk_t *mp, caddr_t cp, cred_t *cr)
233 {
234 (void) mi_mpprintf(mp, "%ld", nl7c_uri_ttl);
235 return (0);
236 }
237
238 static int
239 /*ARGSUSED*/
nl7c_uri_ttl_set(queue_t * q,mblk_t * mp,char * value,caddr_t nu,cred_t * cr)240 nl7c_uri_ttl_set(queue_t *q, mblk_t *mp, char *value, caddr_t nu, cred_t *cr)
241 {
242 if (ddi_strtol(value, NULL, 10, &nl7c_uri_ttl) != 0)
243 return (EINVAL);
244 return (0);
245 }
246
247 static int
248 /*ARGSUSED*/
nca_logging_on_get(queue_t * q,mblk_t * mp,caddr_t cp,cred_t * cr)249 nca_logging_on_get(queue_t *q, mblk_t *mp, caddr_t cp, cred_t *cr)
250 {
251 (void) mi_mpprintf(mp, "%d", nl7c_logd_enabled);
252 return (0);
253 }
254
255 static int
256 /*ARGSUSED*/
nca_logging_on_set(queue_t * q,mblk_t * mp,char * value,caddr_t nu,cred_t * cr)257 nca_logging_on_set(queue_t *q, mblk_t *mp, char *value, caddr_t nu, cred_t *cr)
258 {
259 long new_value;
260
261 if (ddi_strtol(value, NULL, 10, &new_value) != 0 || new_value < 0 ||
262 new_value > 1) {
263 return (EINVAL);
264 }
265 if (nca_fio_cnt(nl7c_logd_fio) == 0)
266 return (EINVAL);
267 nl7c_logd_enabled = new_value;
268
269 return (0);
270 }
271
272 static int
273 /*ARGSUSED*/
nca_version_get(queue_t * q,mblk_t * mp,caddr_t cp,cred_t * cr)274 nca_version_get(queue_t *q, mblk_t *mp, caddr_t cp, cred_t *cr)
275 {
276 (void) mi_mpprintf(mp, "%d.%d", nca_major_version, nca_minor_version);
277 return (0);
278 }
279
280 static int
281 /*ARGSUSED*/
nca_httpd_version_get(queue_t * q,mblk_t * mp,caddr_t cp,cred_t * cr)282 nca_httpd_version_get(queue_t *q, mblk_t *mp, caddr_t cp, cred_t *cr)
283 {
284 (void) mi_mpprintf(mp, "%d", nca_httpd_version);
285 return (0);
286 }
287
288 static int
289 /*ARGSUSED*/
nca_logd_version_get(queue_t * q,mblk_t * mp,caddr_t cp,cred_t * cr)290 nca_logd_version_get(queue_t *q, mblk_t *mp, caddr_t cp, cred_t *cr)
291 {
292 (void) mi_mpprintf(mp, "%d", nca_logd_version);
293 return (0);
294 }
295
296 static int
297 /*ARGSUSED*/
nca_httpd_door_inst_get(queue_t * q,mblk_t * mp,caddr_t nu,cred_t * cr)298 nca_httpd_door_inst_get(queue_t *q, mblk_t *mp, caddr_t nu, cred_t *cr)
299 {
300 nl7c_mi_report_addr(mp);
301 return (0);
302 }
303
304 static int
305 /*ARGSUSED*/
nca_param_get(queue_t * q,mblk_t * mp,caddr_t cp,cred_t * cr)306 nca_param_get(queue_t *q, mblk_t *mp, caddr_t cp, cred_t *cr)
307 {
308 ncaparam_t *ncapa = (ncaparam_t *)cp;
309
310 (void) mi_mpprintf(mp, "%ld", ncapa->param_val);
311 return (0);
312 }
313
314 static int
315 /*ARGSUSED*/
nca_param_set(queue_t * q,mblk_t * mp,char * value,caddr_t cp,cred_t * cr)316 nca_param_set(queue_t *q, mblk_t *mp, char *value, caddr_t cp, cred_t *cr)
317 {
318 ulong_t new_value;
319 ncaparam_t *ncapa = (ncaparam_t *)cp;
320
321 if (ddi_strtoul(value, NULL, 10, &new_value) != 0 ||
322 new_value < ncapa->param_min || new_value > ncapa->param_max) {
323 return (EINVAL);
324 }
325 ncapa->param_val = new_value;
326 return (0);
327 }
328
329 static int
330 /*ARGSUSED*/
nca_obsolete(queue_t * q,mblk_t * mp,caddr_t cp,cred_t * cr)331 nca_obsolete(queue_t *q, mblk_t *mp, caddr_t cp, cred_t *cr)
332 {
333 (void) mi_mpprintf(mp, "obsolete");
334 return (0);
335 }
336
337 static int
338 /*ARGSUSED*/
nca_ip_obsolete(queue_t * q,mblk_t * mp,caddr_t cp,cred_t * cr)339 nca_ip_obsolete(queue_t *q, mblk_t *mp, caddr_t cp, cred_t *cr)
340 {
341 (void) mi_mpprintf(mp, "obsolete for /dev/nca, use /dev/ip");
342 return (0);
343 }
344
345 static int
346 /*ARGSUSED*/
nca_tcp_obsolete(queue_t * q,mblk_t * mp,caddr_t cp,cred_t * cr)347 nca_tcp_obsolete(queue_t *q, mblk_t *mp, caddr_t cp, cred_t *cr)
348 {
349 (void) mi_mpprintf(mp, "obsolete for /dev/nca, use /dev/tcp");
350 return (0);
351 }
352
353 static int
354 /*ARGSUSED*/
nca_nca_obsolete(queue_t * q,mblk_t * mp,caddr_t cp,cred_t * cr)355 nca_nca_obsolete(queue_t *q, mblk_t *mp, caddr_t cp, cred_t *cr)
356 {
357 (void) mi_mpprintf(mp, "obsolete for /dev/nca");
358 return (0);
359 }
360
361 static boolean_t
nca_param_register(ncaparam_t * ncapa,int cnt)362 nca_param_register(ncaparam_t *ncapa, int cnt)
363 {
364 for (; cnt-- > 0; ncapa++) {
365 if (ncapa->param_name && ncapa->param_name[0]) {
366 if (!nd_load(&nca_g_nd, ncapa->param_name,
367 nca_param_get, nca_param_set,
368 (caddr_t)ncapa)) {
369 goto error;
370 }
371 }
372
373 }
374 if (!nd_load(&nca_g_nd, "nca_version", nca_version_get, nil(pfi_t),
375 nil(caddr_t))) {
376 goto error;
377 }
378 if (!nd_load(&nca_g_nd, "nca_logd_version", nca_logd_version_get,
379 nil(pfi_t), nil(caddr_t))) {
380 goto error;
381 }
382 if (!nd_load(&nca_g_nd, "nca_logging_on", nca_logging_on_get,
383 nca_logging_on_set, nil(caddr_t))) {
384 goto error;
385 }
386
387 if (!nd_load(&nca_g_nd, "uri_time_to_live", nl7c_uri_ttl_get,
388 nl7c_uri_ttl_set, nil(caddr_t))) {
389 goto error;
390 }
391 if (!nd_load(&nca_g_nd, "nca_httpd_version", nca_httpd_version_get,
392 nil(pfi_t), nil(caddr_t))) {
393 goto error;
394 }
395 if (!nd_load(&nca_g_nd, "httpd_door_instance", nca_httpd_door_inst_get,
396 nil(pfi_t), nil(caddr_t))) {
397 nd_free(&nca_g_nd);
398 return (B_FALSE);
399 }
400
401 ncapa = nca_ip_obsolete_arr;
402 cnt = A_CNT(nca_ip_obsolete_arr);
403 for (; cnt-- > 0; ncapa++) {
404 if (ncapa->param_name && ncapa->param_name[0]) {
405 if (!nd_load(&nca_g_nd, ncapa->param_name,
406 nca_ip_obsolete, NULL, (caddr_t)ncapa)) {
407 goto error;
408 }
409 }
410
411 }
412
413 ncapa = nca_tcp_obsolete_arr;
414 cnt = A_CNT(nca_tcp_obsolete_arr);
415 for (; cnt-- > 0; ncapa++) {
416 if (ncapa->param_name && ncapa->param_name[0]) {
417 if (!nd_load(&nca_g_nd, ncapa->param_name,
418 nca_tcp_obsolete, NULL, (caddr_t)ncapa)) {
419 goto error;
420 }
421 }
422
423 }
424
425 ncapa = nca_nca_obsolete_arr;
426 cnt = A_CNT(nca_nca_obsolete_arr);
427 for (; cnt-- > 0; ncapa++) {
428 if (ncapa->param_name && ncapa->param_name[0]) {
429 if (!nd_load(&nca_g_nd, ncapa->param_name,
430 nca_nca_obsolete, NULL, (caddr_t)ncapa)) {
431 goto error;
432 }
433 }
434
435 }
436
437 return (B_TRUE);
438
439 error:
440 nd_free(&nca_g_nd);
441 return (B_FALSE);
442 }
443
444 void
nl7c_nca_init(void)445 nl7c_nca_init(void)
446 {
447 if (! nca_g_nd) {
448 if (! nca_param_register(nca_param_arr, A_CNT(nca_param_arr)))
449 cmn_err(CE_WARN,
450 "nl7c: /dev/nca ndd initialization failed.");
451 }
452 }
453