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Commit | Line | Data |
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244c1cdc DS |
1 | /* Kernel routing table updates using netlink over GNU/Linux system. |
2 | * Copyright (C) 1997, 98, 99 Kunihiro Ishiguro | |
3 | * | |
4 | * This file is part of GNU Zebra. | |
5 | * | |
6 | * GNU Zebra is free software; you can redistribute it and/or modify it | |
7 | * under the terms of the GNU General Public License as published by the | |
8 | * Free Software Foundation; either version 2, or (at your option) any | |
9 | * later version. | |
10 | * | |
11 | * GNU Zebra is distributed in the hope that it will be useful, but | |
12 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with GNU Zebra; see the file COPYING. If not, write to the Free | |
18 | * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
19 | * 02111-1307, USA. | |
20 | */ | |
21 | ||
22 | #include <zebra.h> | |
23 | #include <sys/un.h> /* for sockaddr_un */ | |
24 | #include <net/if.h> | |
c8ed14dd | 25 | #include "vty.h" |
244c1cdc DS |
26 | #include "zebra/zserv.h" |
27 | #include "zebra/interface.h" | |
28 | #include "zebra/debug.h" | |
29 | #include "zebra/zebra_ptm.h" | |
30 | #include "if.h" | |
31 | #include "command.h" | |
c43ed2e4 DS |
32 | #include "stream.h" |
33 | #include "ptm_lib.h" | |
c8ed14dd | 34 | #include "buffer.h" |
c43ed2e4 | 35 | #include "zebra/zebra_ptm_redistribute.h" |
68fe91d6 | 36 | #include "bfd.h" |
d553294e | 37 | #include "vrf.h" |
7c551956 DS |
38 | #include "rib.h" |
39 | #include "zebra_vrf.h" | |
244c1cdc DS |
40 | |
41 | #define ZEBRA_PTM_RECONNECT_TIME_INITIAL 1 /* initial reconnect is 1s */ | |
42 | #define ZEBRA_PTM_RECONNECT_TIME_MAX 300 | |
c01acf98 | 43 | |
c01acf98 | 44 | #define PTM_MSG_LEN 4 |
0a56c844 | 45 | #define PTM_HEADER_LEN 37 |
c43ed2e4 DS |
46 | |
47 | const char ZEBRA_PTM_GET_STATUS_CMD[] = "get-status"; | |
48 | const char ZEBRA_PTM_BFD_START_CMD[] = "start-bfd-sess"; | |
49 | const char ZEBRA_PTM_BFD_STOP_CMD[] = "stop-bfd-sess"; | |
055c4dfc | 50 | const char ZEBRA_PTM_BFD_CLIENT_REG_CMD[] = "reg-bfd-client"; |
c43ed2e4 | 51 | |
c8ed14dd | 52 | const char ZEBRA_PTM_CMD_STR[] = "cmd"; |
b255a4b1 | 53 | const char ZEBRA_PTM_CMD_STATUS_STR[] = "cmd_status"; |
c43ed2e4 DS |
54 | const char ZEBRA_PTM_PORT_STR[] = "port"; |
55 | const char ZEBRA_PTM_CBL_STR[] = "cbl status"; | |
56 | const char ZEBRA_PTM_PASS_STR[] = "pass"; | |
57 | const char ZEBRA_PTM_FAIL_STR[] = "fail"; | |
58 | const char ZEBRA_PTM_BFDSTATUS_STR[] = "state"; | |
59 | const char ZEBRA_PTM_BFDSTATUS_UP_STR[] = "Up"; | |
60 | const char ZEBRA_PTM_BFDSTATUS_DOWN_STR[] = "Down"; | |
61 | const char ZEBRA_PTM_BFDDEST_STR[] = "peer"; | |
62 | const char ZEBRA_PTM_BFDSRC_STR[] = "local"; | |
d553294e | 63 | const char ZEBRA_PTM_BFDVRF_STR[] = "vrf"; |
c43ed2e4 DS |
64 | const char ZEBRA_PTM_INVALID_PORT_NAME[] = "N/A"; |
65 | const char ZEBRA_PTM_INVALID_SRC_IP[] = "N/A"; | |
d553294e | 66 | const char ZEBRA_PTM_INVALID_VRF[] = "N/A"; |
c43ed2e4 DS |
67 | |
68 | const char ZEBRA_PTM_BFD_DST_IP_FIELD[] = "dstIPaddr"; | |
69 | const char ZEBRA_PTM_BFD_SRC_IP_FIELD[] = "srcIPaddr"; | |
70 | const char ZEBRA_PTM_BFD_MIN_RX_FIELD[] = "requiredMinRx"; | |
71 | const char ZEBRA_PTM_BFD_MIN_TX_FIELD[] = "upMinTx"; | |
72 | const char ZEBRA_PTM_BFD_DETECT_MULT_FIELD[] = "detectMult"; | |
73 | const char ZEBRA_PTM_BFD_MULTI_HOP_FIELD[] = "multiHop"; | |
74 | const char ZEBRA_PTM_BFD_CLIENT_FIELD[] = "client"; | |
75 | const char ZEBRA_PTM_BFD_SEQID_FIELD[] = "seqid"; | |
76 | const char ZEBRA_PTM_BFD_IFNAME_FIELD[] = "ifName"; | |
77 | const char ZEBRA_PTM_BFD_MAX_HOP_CNT_FIELD[] = "maxHopCnt"; | |
68fe91d6 | 78 | const char ZEBRA_PTM_BFD_SEND_EVENT[] = "sendEvent"; |
d553294e | 79 | const char ZEBRA_PTM_BFD_VRF_NAME_FIELD[] = "vrfName"; |
c01acf98 | 80 | |
c43ed2e4 | 81 | static ptm_lib_handle_t *ptm_hdl; |
244c1cdc | 82 | |
c8ed14dd DS |
83 | struct zebra_ptm_cb ptm_cb; |
84 | ||
244c1cdc | 85 | static int zebra_ptm_socket_init(void); |
244c1cdc DS |
86 | int zebra_ptm_sock_read(struct thread *); |
87 | static void zebra_ptm_install_commands (void); | |
b255a4b1 | 88 | static int zebra_ptm_handle_msg_cb(void *arg, void *in_ctxt); |
c43ed2e4 | 89 | void zebra_bfd_peer_replay_req (void); |
950bd436 | 90 | void zebra_ptm_send_status_req(void); |
91 | void zebra_ptm_reset_status(int ptm_disable); | |
244c1cdc DS |
92 | |
93 | const char ZEBRA_PTM_SOCK_NAME[] = "\0/var/run/ptmd.socket"; | |
94 | ||
244c1cdc DS |
95 | void |
96 | zebra_ptm_init (void) | |
97 | { | |
c43ed2e4 DS |
98 | char buf[64]; |
99 | ||
c8ed14dd DS |
100 | memset(&ptm_cb, 0, sizeof(struct zebra_ptm_cb)); |
101 | ||
102 | ptm_cb.out_data = calloc(1, ZEBRA_PTM_SEND_MAX_SOCKBUF); | |
103 | if (!ptm_cb.out_data) | |
104 | { | |
105 | zlog_warn("%s: Allocation of send data failed", __func__); | |
106 | return; | |
107 | } | |
108 | ||
109 | ptm_cb.in_data = calloc(1, ZEBRA_PTM_MAX_SOCKBUF); | |
110 | if (!ptm_cb.in_data) | |
111 | { | |
112 | zlog_warn("%s: Allocation of recv data failed", __func__); | |
113 | free(ptm_cb.out_data); | |
114 | return; | |
115 | } | |
116 | ||
117 | ptm_cb.pid = getpid(); | |
244c1cdc | 118 | zebra_ptm_install_commands(); |
c43ed2e4 DS |
119 | |
120 | sprintf(buf, "%s", "quagga"); | |
b255a4b1 | 121 | ptm_hdl = ptm_lib_register(buf, NULL, zebra_ptm_handle_msg_cb, |
122 | zebra_ptm_handle_msg_cb); | |
c8ed14dd DS |
123 | ptm_cb.wb = buffer_new(0); |
124 | ||
125 | ptm_cb.reconnect_time = ZEBRA_PTM_RECONNECT_TIME_INITIAL; | |
126 | ||
127 | ptm_cb.ptm_sock = -1; | |
128 | } | |
129 | ||
130 | void | |
131 | zebra_ptm_finish(void) | |
132 | { | |
133 | if (ptm_cb.ptm_sock != -1) | |
134 | close(ptm_cb.ptm_sock); | |
135 | ||
136 | if (ptm_cb.wb) | |
137 | buffer_free(ptm_cb.wb); | |
138 | ||
139 | if (ptm_cb.out_data) | |
140 | free(ptm_cb.out_data); | |
141 | ||
142 | if (ptm_cb.in_data) | |
143 | free(ptm_cb.in_data); | |
144 | ||
145 | /* Release threads. */ | |
146 | if (ptm_cb.t_read) | |
147 | thread_cancel (ptm_cb.t_read); | |
148 | if (ptm_cb.t_write) | |
149 | thread_cancel (ptm_cb.t_write); | |
150 | if (ptm_cb.t_timer) | |
151 | thread_cancel (ptm_cb.t_timer); | |
152 | } | |
153 | ||
154 | static int | |
155 | zebra_ptm_flush_messages (struct thread *thread) | |
156 | { | |
157 | ptm_cb.t_write = NULL; | |
158 | ||
159 | if (ptm_cb.ptm_sock == -1) | |
160 | return -1; | |
161 | ||
162 | errno = 0; | |
163 | ||
164 | switch (buffer_flush_available(ptm_cb.wb, ptm_cb.ptm_sock)) | |
165 | { | |
166 | case BUFFER_ERROR: | |
167 | zlog_warn ("%s ptm socket error: %s", __func__, | |
168 | safe_strerror (errno)); | |
169 | close(ptm_cb.ptm_sock); | |
170 | ptm_cb.ptm_sock = -1; | |
950bd436 | 171 | zebra_ptm_reset_status(0); |
c8ed14dd DS |
172 | ptm_cb.t_timer = thread_add_timer (zebrad.master, zebra_ptm_connect, |
173 | NULL, ptm_cb.reconnect_time); | |
174 | return (-1); | |
175 | case BUFFER_PENDING: | |
176 | ptm_cb.t_write = thread_add_write(zebrad.master, zebra_ptm_flush_messages, | |
177 | NULL, ptm_cb.ptm_sock); | |
178 | break; | |
179 | case BUFFER_EMPTY: | |
180 | break; | |
181 | } | |
182 | ||
183 | return(0); | |
184 | } | |
185 | ||
186 | static int | |
187 | zebra_ptm_send_message(char *data, int size) | |
188 | { | |
189 | errno = 0; | |
190 | switch (buffer_write(ptm_cb.wb, ptm_cb.ptm_sock, data, size)) | |
191 | { | |
192 | case BUFFER_ERROR: | |
193 | zlog_warn ("%s ptm socket error: %s", __func__, safe_strerror (errno)); | |
194 | close(ptm_cb.ptm_sock); | |
195 | ptm_cb.ptm_sock = -1; | |
950bd436 | 196 | zebra_ptm_reset_status(0); |
c8ed14dd DS |
197 | ptm_cb.t_timer = thread_add_timer (zebrad.master, zebra_ptm_connect, |
198 | NULL, ptm_cb.reconnect_time); | |
199 | return -1; | |
200 | case BUFFER_EMPTY: | |
201 | THREAD_OFF(ptm_cb.t_write); | |
202 | break; | |
203 | case BUFFER_PENDING: | |
204 | THREAD_WRITE_ON(zebrad.master, ptm_cb.t_write, | |
205 | zebra_ptm_flush_messages, NULL, ptm_cb.ptm_sock); | |
206 | break; | |
207 | } | |
208 | ||
209 | return 0; | |
244c1cdc DS |
210 | } |
211 | ||
212 | int | |
213 | zebra_ptm_connect (struct thread *t) | |
214 | { | |
c43ed2e4 | 215 | int init = 0; |
c43ed2e4 | 216 | |
c8ed14dd | 217 | if (ptm_cb.ptm_sock == -1) { |
c43ed2e4 DS |
218 | zebra_ptm_socket_init(); |
219 | init = 1; | |
220 | } | |
244c1cdc | 221 | |
c8ed14dd | 222 | if (ptm_cb.ptm_sock != -1) { |
c43ed2e4 | 223 | if (init) { |
c8ed14dd DS |
224 | ptm_cb.t_read = thread_add_read (zebrad.master, zebra_ptm_sock_read, |
225 | NULL, ptm_cb.ptm_sock); | |
c43ed2e4 DS |
226 | zebra_bfd_peer_replay_req(); |
227 | } | |
950bd436 | 228 | zebra_ptm_send_status_req(); |
c8ed14dd | 229 | ptm_cb.reconnect_time = ZEBRA_PTM_RECONNECT_TIME_INITIAL; |
244c1cdc | 230 | } else { |
c8ed14dd DS |
231 | ptm_cb.reconnect_time *= 2; |
232 | if (ptm_cb.reconnect_time > ZEBRA_PTM_RECONNECT_TIME_MAX) | |
233 | ptm_cb.reconnect_time = ZEBRA_PTM_RECONNECT_TIME_MAX; | |
244c1cdc | 234 | |
c8ed14dd DS |
235 | ptm_cb.t_timer = thread_add_timer (zebrad.master, zebra_ptm_connect, NULL, |
236 | ptm_cb.reconnect_time); | |
244c1cdc DS |
237 | } |
238 | ||
239 | return(errno); | |
240 | } | |
241 | ||
244c1cdc DS |
242 | DEFUN (zebra_ptm_enable, |
243 | zebra_ptm_enable_cmd, | |
244 | "ptm-enable", | |
245 | "Enable neighbor check with specified topology\n") | |
246 | { | |
247 | struct listnode *i; | |
248 | struct interface *ifp; | |
b2d7c082 | 249 | vrf_iter_t iter; |
244c1cdc | 250 | |
c8ed14dd | 251 | ptm_cb.ptm_enable = 1; |
244c1cdc | 252 | |
b2d7c082 DS |
253 | for (iter = vrf_first (); iter != VRF_ITER_INVALID; iter = vrf_next (iter)) |
254 | for (ALL_LIST_ELEMENTS_RO (vrf_iter2iflist (iter), i, ifp)) | |
255 | if (!ifp->ptm_enable) | |
256 | { | |
257 | ifp->ptm_enable = 1; | |
258 | /* Assign a default unknown status */ | |
259 | ifp->ptm_status = ZEBRA_PTM_STATUS_UNKNOWN; | |
260 | } | |
244c1cdc DS |
261 | |
262 | zebra_ptm_connect(NULL); | |
263 | ||
264 | return CMD_SUCCESS; | |
265 | } | |
266 | ||
267 | DEFUN (no_zebra_ptm_enable, | |
268 | no_zebra_ptm_enable_cmd, | |
269 | "no ptm-enable", | |
270 | NO_STR | |
271 | "Enable neighbor check with specified topology\n") | |
272 | { | |
c8ed14dd | 273 | ptm_cb.ptm_enable = 0; |
950bd436 | 274 | zebra_ptm_reset_status(1); |
244c1cdc DS |
275 | return CMD_SUCCESS; |
276 | } | |
277 | ||
278 | void | |
279 | zebra_ptm_write (struct vty *vty) | |
280 | { | |
c8ed14dd | 281 | if (ptm_cb.ptm_enable) |
244c1cdc DS |
282 | vty_out (vty, "ptm-enable%s", VTY_NEWLINE); |
283 | ||
284 | return; | |
285 | } | |
286 | ||
287 | static int | |
288 | zebra_ptm_socket_init (void) | |
289 | { | |
290 | int ret; | |
291 | int sock; | |
292 | struct sockaddr_un addr; | |
293 | ||
c8ed14dd | 294 | ptm_cb.ptm_sock = -1; |
c01acf98 | 295 | |
0a56c844 | 296 | sock = socket (PF_UNIX, (SOCK_STREAM | SOCK_NONBLOCK), 0); |
244c1cdc DS |
297 | if (sock < 0) |
298 | return -1; | |
299 | ||
300 | /* Make server socket. */ | |
301 | memset (&addr, 0, sizeof (struct sockaddr_un)); | |
302 | addr.sun_family = AF_UNIX; | |
303 | memcpy (&addr.sun_path, ZEBRA_PTM_SOCK_NAME, | |
304 | sizeof(ZEBRA_PTM_SOCK_NAME)); | |
305 | ||
306 | ret = connect(sock, (struct sockaddr *) &addr, | |
c01acf98 | 307 | sizeof (addr.sun_family)+sizeof (ZEBRA_PTM_SOCK_NAME)-1); |
244c1cdc DS |
308 | if (ret < 0) |
309 | { | |
c43ed2e4 | 310 | zlog_warn("%s: Unable to connect to socket %s [%s]", |
c01acf98 | 311 | __func__, ZEBRA_PTM_SOCK_NAME, safe_strerror(errno)); |
244c1cdc DS |
312 | close (sock); |
313 | return -1; | |
314 | } | |
c8ed14dd | 315 | ptm_cb.ptm_sock = sock; |
244c1cdc DS |
316 | return sock; |
317 | } | |
318 | ||
319 | static void | |
320 | zebra_ptm_install_commands (void) | |
321 | { | |
322 | install_element (CONFIG_NODE, &zebra_ptm_enable_cmd); | |
323 | install_element (CONFIG_NODE, &no_zebra_ptm_enable_cmd); | |
324 | } | |
325 | ||
c43ed2e4 | 326 | /* BFD session goes down, send message to the protocols. */ |
c8ed14dd | 327 | static void |
68fe91d6 | 328 | if_bfd_session_update (struct interface *ifp, struct prefix *dp, |
d553294e | 329 | struct prefix *sp, int status, vrf_id_t vrf_id) |
c01acf98 | 330 | { |
c43ed2e4 DS |
331 | if (IS_ZEBRA_DEBUG_EVENT) |
332 | { | |
333 | char buf[2][INET6_ADDRSTRLEN]; | |
334 | ||
335 | if (ifp) | |
336 | { | |
68fe91d6 | 337 | zlog_debug ("MESSAGE: ZEBRA_INTERFACE_BFD_DEST_UPDATE %s/%d on %s" |
338 | " %s event", | |
339 | inet_ntop (dp->family, &dp->u.prefix, buf[0], | |
340 | INET6_ADDRSTRLEN), dp->prefixlen, ifp->name, | |
341 | bfd_get_status_str(status)); | |
c43ed2e4 DS |
342 | } |
343 | else | |
344 | { | |
68fe91d6 | 345 | zlog_debug ("MESSAGE: ZEBRA_INTERFACE_BFD_DEST_UPDATE %s/%d " |
d553294e | 346 | "with src %s/%d and vrf %d %s event", |
c43ed2e4 DS |
347 | inet_ntop (dp->family, &dp->u.prefix, buf[0], INET6_ADDRSTRLEN), |
348 | dp->prefixlen, | |
349 | inet_ntop (sp->family, &sp->u.prefix, buf[1], INET6_ADDRSTRLEN), | |
d553294e | 350 | sp->prefixlen, vrf_id, bfd_get_status_str(status)); |
c43ed2e4 | 351 | } |
c01acf98 | 352 | } |
c01acf98 | 353 | |
d553294e | 354 | zebra_interface_bfd_update (ifp, dp, sp, status, vrf_id); |
c01acf98 DS |
355 | } |
356 | ||
c43ed2e4 | 357 | static int |
b255a4b1 | 358 | zebra_ptm_handle_bfd_msg(void *arg, void *in_ctxt, struct interface *ifp) |
244c1cdc | 359 | { |
c43ed2e4 DS |
360 | char bfdst_str[32]; |
361 | char dest_str[64]; | |
362 | char src_str[64]; | |
d553294e | 363 | char vrf_str[64]; |
244c1cdc | 364 | struct prefix dest_prefix; |
c43ed2e4 | 365 | struct prefix src_prefix; |
244c1cdc | 366 | |
c43ed2e4 | 367 | ptm_lib_find_key_in_msg(in_ctxt, ZEBRA_PTM_BFDSTATUS_STR, bfdst_str); |
c01acf98 | 368 | |
c43ed2e4 | 369 | if (bfdst_str[0] == '\0') { |
c43ed2e4 | 370 | return -1; |
c01acf98 DS |
371 | } |
372 | ||
c43ed2e4 | 373 | ptm_lib_find_key_in_msg(in_ctxt, ZEBRA_PTM_BFDDEST_STR, dest_str); |
c01acf98 | 374 | |
c43ed2e4 DS |
375 | if (dest_str[0] == '\0') { |
376 | zlog_debug("%s: Key %s not found in PTM msg", __func__, | |
c01acf98 | 377 | ZEBRA_PTM_BFDDEST_STR); |
c43ed2e4 | 378 | return -1; |
c01acf98 | 379 | } |
244c1cdc | 380 | |
c43ed2e4 | 381 | ptm_lib_find_key_in_msg(in_ctxt, ZEBRA_PTM_BFDSRC_STR, src_str); |
c01acf98 | 382 | |
c43ed2e4 DS |
383 | if (src_str[0] == '\0') { |
384 | zlog_debug("%s: Key %s not found in PTM msg", __func__, | |
385 | ZEBRA_PTM_BFDSRC_STR); | |
386 | return -1; | |
c01acf98 DS |
387 | } |
388 | ||
d553294e | 389 | ptm_lib_find_key_in_msg(in_ctxt, ZEBRA_PTM_BFDVRF_STR, vrf_str); |
390 | ||
391 | if (vrf_str[0] == '\0') { | |
392 | zlog_debug("%s: Key %s not found in PTM msg", __func__, | |
393 | ZEBRA_PTM_BFDVRF_STR); | |
394 | return -1; | |
395 | } | |
396 | ||
c8ed14dd | 397 | if (IS_ZEBRA_DEBUG_EVENT) |
d553294e | 398 | zlog_debug("%s: Recv Port [%s] bfd status [%s] vrf [%s] peer [%s] local [%s]", |
b255a4b1 | 399 | __func__, ifp ? ifp->name : "N/A", bfdst_str, |
d553294e | 400 | vrf_str, dest_str, src_str); |
c43ed2e4 | 401 | |
68fe91d6 | 402 | if (str2prefix(dest_str, &dest_prefix) == 0) { |
403 | zlog_err("%s: Peer addr %s not found", __func__, | |
404 | dest_str); | |
405 | return -1; | |
406 | } | |
c01acf98 | 407 | |
68fe91d6 | 408 | memset(&src_prefix, 0, sizeof(struct prefix)); |
409 | if (strcmp(ZEBRA_PTM_INVALID_SRC_IP, src_str)) { | |
410 | if (str2prefix(src_str, &src_prefix) == 0) { | |
411 | zlog_err("%s: Local addr %s not found", __func__, | |
412 | src_str); | |
413 | return -1; | |
c43ed2e4 | 414 | } |
68fe91d6 | 415 | } |
c43ed2e4 | 416 | |
68fe91d6 | 417 | if (!strcmp (bfdst_str, ZEBRA_PTM_BFDSTATUS_DOWN_STR)) { |
d553294e | 418 | if_bfd_session_update(ifp, &dest_prefix, &src_prefix, BFD_STATUS_DOWN, |
419 | vrf_name_to_id(vrf_str)); | |
68fe91d6 | 420 | } else { |
d553294e | 421 | if_bfd_session_update(ifp, &dest_prefix, &src_prefix, BFD_STATUS_UP, |
422 | vrf_name_to_id(vrf_str)); | |
c01acf98 | 423 | } |
c43ed2e4 DS |
424 | |
425 | return 0; | |
c01acf98 DS |
426 | } |
427 | ||
c43ed2e4 | 428 | static int |
b255a4b1 | 429 | zebra_ptm_handle_cbl_msg(void *arg, void *in_ctxt, struct interface *ifp, |
430 | char *cbl_str) | |
c01acf98 | 431 | { |
950bd436 | 432 | int send_linkup = 0; |
433 | ||
b255a4b1 | 434 | if (IS_ZEBRA_DEBUG_EVENT) |
435 | zlog_debug("%s: Recv Port [%s] cbl status [%s]", __func__, | |
436 | ifp->name, cbl_str); | |
437 | ||
950bd436 | 438 | if (!strcmp(cbl_str, ZEBRA_PTM_PASS_STR) && |
439 | (ifp->ptm_status != ZEBRA_PTM_STATUS_UP)) { | |
440 | ||
441 | if (ifp->ptm_status == ZEBRA_PTM_STATUS_DOWN) | |
442 | send_linkup = 1; | |
443 | ifp->ptm_status = ZEBRA_PTM_STATUS_UP; | |
444 | if (ifp->ptm_enable && if_is_no_ptm_operative (ifp) && send_linkup) | |
b255a4b1 | 445 | if_up (ifp); |
950bd436 | 446 | } else if (!strcmp (cbl_str, ZEBRA_PTM_FAIL_STR) && |
447 | (ifp->ptm_status != ZEBRA_PTM_STATUS_DOWN)) { | |
448 | ifp->ptm_status = ZEBRA_PTM_STATUS_DOWN; | |
b255a4b1 | 449 | if (ifp->ptm_enable && if_is_no_ptm_operative (ifp)) |
450 | if_down (ifp); | |
451 | } | |
452 | ||
453 | return 0; | |
454 | } | |
950bd436 | 455 | |
b255a4b1 | 456 | /* |
457 | * zebra_ptm_handle_msg_cb - The purpose of this callback function is to handle | |
458 | * all the command responses and notifications received from PTM. | |
459 | * | |
460 | * Command responses: Upon establishing connection with PTM, Zebra requests | |
461 | * status of all interfaces using 'get-status' command if global ptm-enable | |
462 | * knob is enabled. As a response to the get-status command PTM sends status | |
463 | * of all the interfaces as command responses. All other type of command | |
464 | * responses with cmd_status key word are dropped. The sole purpose of | |
465 | * registering this function as callback for the command responses is to | |
466 | * handle the responses to get-status command. | |
467 | * | |
468 | * Notifications: Cable status and BFD session status changes are sent as | |
469 | * notifications by PTM. So, this function is also the callback function for | |
470 | * processing all the notifications from the PTM. | |
471 | * | |
472 | */ | |
473 | static int | |
474 | zebra_ptm_handle_msg_cb(void *arg, void *in_ctxt) | |
475 | { | |
476 | struct interface *ifp = NULL; | |
c43ed2e4 | 477 | char port_str[128]; |
b255a4b1 | 478 | char cbl_str[32]; |
479 | char cmd_status_str[32]; | |
c8ed14dd | 480 | |
b255a4b1 | 481 | ptm_lib_find_key_in_msg(in_ctxt, ZEBRA_PTM_CMD_STATUS_STR, cmd_status_str); |
c8ed14dd DS |
482 | |
483 | /* Drop command response messages */ | |
b255a4b1 | 484 | if (cmd_status_str[0] != '\0') { |
c8ed14dd DS |
485 | return 0; |
486 | } | |
c01acf98 | 487 | |
c43ed2e4 | 488 | ptm_lib_find_key_in_msg(in_ctxt, ZEBRA_PTM_PORT_STR, port_str); |
c01acf98 | 489 | |
c43ed2e4 | 490 | if (port_str[0] == '\0') { |
b255a4b1 | 491 | zlog_debug("%s: Key %s not found in PTM msg", __func__, |
c01acf98 | 492 | ZEBRA_PTM_PORT_STR); |
b255a4b1 | 493 | return -1; |
c01acf98 DS |
494 | } |
495 | ||
b255a4b1 | 496 | if (strcmp(ZEBRA_PTM_INVALID_PORT_NAME, port_str)) { |
f8962871 | 497 | ifp = if_lookup_by_name_all_vrf(port_str); |
c01acf98 | 498 | |
b255a4b1 | 499 | if (!ifp) { |
500 | zlog_err("%s: %s not found in interface list", __func__, port_str); | |
501 | return -1; | |
502 | } | |
c01acf98 DS |
503 | } |
504 | ||
b255a4b1 | 505 | ptm_lib_find_key_in_msg(in_ctxt, ZEBRA_PTM_CBL_STR, cbl_str); |
244c1cdc | 506 | |
b255a4b1 | 507 | if (cbl_str[0] == '\0') { |
508 | return zebra_ptm_handle_bfd_msg(arg, in_ctxt, ifp); | |
509 | } else { | |
510 | if (ifp) { | |
511 | return zebra_ptm_handle_cbl_msg(arg, in_ctxt, ifp, cbl_str); | |
512 | } else { | |
513 | return -1; | |
514 | } | |
244c1cdc | 515 | } |
c01acf98 DS |
516 | } |
517 | ||
c01acf98 DS |
518 | int |
519 | zebra_ptm_sock_read (struct thread *thread) | |
520 | { | |
521 | int sock, done = 0; | |
c43ed2e4 | 522 | int rc; |
c01acf98 | 523 | |
c43ed2e4 | 524 | errno = 0; |
c01acf98 DS |
525 | sock = THREAD_FD (thread); |
526 | ||
527 | if (sock == -1) | |
528 | return -1; | |
529 | ||
530 | /* PTM communicates in CSV format */ | |
531 | while(!done) { | |
c8ed14dd | 532 | rc = ptm_lib_process_msg(ptm_hdl, sock, ptm_cb.in_data, ZEBRA_PTM_MAX_SOCKBUF, |
c43ed2e4 DS |
533 | NULL); |
534 | if (rc <= 0) | |
535 | break; | |
c01acf98 DS |
536 | } |
537 | ||
c43ed2e4 DS |
538 | if (rc <= 0) { |
539 | if (((rc == 0) && !errno) || (errno && (errno != EWOULDBLOCK) && (errno != EAGAIN))) { | |
540 | zlog_warn ("%s routing socket error: %s(%d) bytes %d", __func__, | |
541 | safe_strerror (errno), errno, rc); | |
c01acf98 | 542 | |
c8ed14dd DS |
543 | close (ptm_cb.ptm_sock); |
544 | ptm_cb.ptm_sock = -1; | |
950bd436 | 545 | zebra_ptm_reset_status(0); |
c8ed14dd DS |
546 | ptm_cb.t_timer = thread_add_timer (zebrad.master, zebra_ptm_connect, |
547 | NULL, ptm_cb.reconnect_time); | |
c01acf98 | 548 | return (-1); |
0a56c844 | 549 | } |
c01acf98 DS |
550 | } |
551 | ||
c8ed14dd DS |
552 | ptm_cb.t_read = thread_add_read (zebrad.master, zebra_ptm_sock_read, |
553 | NULL, ptm_cb.ptm_sock); | |
c43ed2e4 DS |
554 | |
555 | return 0; | |
556 | } | |
557 | ||
558 | /* BFD peer/dst register/update */ | |
559 | int | |
560 | zebra_ptm_bfd_dst_register (struct zserv *client, int sock, u_short length, | |
d651649e | 561 | int command, struct zebra_vrf *zvrf) |
c43ed2e4 | 562 | { |
c43ed2e4 DS |
563 | struct stream *s; |
564 | struct prefix src_p; | |
565 | struct prefix dst_p; | |
566 | u_char multi_hop; | |
567 | u_char multi_hop_cnt; | |
568 | u_char detect_mul; | |
569 | unsigned int min_rx_timer; | |
570 | unsigned int min_tx_timer; | |
571 | char if_name[INTERFACE_NAMSIZ]; | |
572 | u_char len; | |
573 | void *out_ctxt; | |
574 | char buf[INET6_ADDRSTRLEN]; | |
575 | char tmp_buf[64]; | |
576 | int data_len = ZEBRA_PTM_SEND_MAX_SOCKBUF; | |
055c4dfc | 577 | unsigned int pid; |
c43ed2e4 DS |
578 | |
579 | if (command == ZEBRA_BFD_DEST_UPDATE) | |
580 | client->bfd_peer_upd8_cnt++; | |
581 | else | |
582 | client->bfd_peer_add_cnt++; | |
583 | ||
c8ed14dd DS |
584 | if (IS_ZEBRA_DEBUG_EVENT) |
585 | zlog_debug("bfd_dst_register msg from client %s: length=%d", | |
586 | zebra_route_string(client->proto), length); | |
c43ed2e4 | 587 | |
c8ed14dd | 588 | if (ptm_cb.ptm_sock == -1) |
c43ed2e4 | 589 | { |
c8ed14dd DS |
590 | ptm_cb.t_timer = thread_add_timer (zebrad.master, zebra_ptm_connect, |
591 | NULL, ptm_cb.reconnect_time); | |
c43ed2e4 DS |
592 | return -1; |
593 | } | |
594 | ||
595 | ptm_lib_init_msg(ptm_hdl, 0, PTMLIB_MSG_TYPE_CMD, NULL, &out_ctxt); | |
596 | sprintf(tmp_buf, "%s", ZEBRA_PTM_BFD_START_CMD); | |
c8ed14dd | 597 | ptm_lib_append_msg(ptm_hdl, out_ctxt, ZEBRA_PTM_CMD_STR, tmp_buf); |
055c4dfc | 598 | sprintf(tmp_buf, "%s", zebra_route_string(client->proto)); |
c43ed2e4 DS |
599 | ptm_lib_append_msg(ptm_hdl, out_ctxt, ZEBRA_PTM_BFD_CLIENT_FIELD, |
600 | tmp_buf); | |
c43ed2e4 DS |
601 | |
602 | s = client->ibuf; | |
603 | ||
055c4dfc | 604 | pid = stream_getl(s); |
605 | sprintf(tmp_buf, "%d", pid); | |
606 | ptm_lib_append_msg(ptm_hdl, out_ctxt, ZEBRA_PTM_BFD_SEQID_FIELD, tmp_buf); | |
607 | ||
c43ed2e4 DS |
608 | dst_p.family = stream_getw(s); |
609 | ||
610 | if (dst_p.family == AF_INET) | |
611 | dst_p.prefixlen = IPV4_MAX_BYTELEN; | |
612 | else | |
613 | dst_p.prefixlen = IPV6_MAX_BYTELEN; | |
614 | ||
615 | stream_get(&dst_p.u.prefix, s, dst_p.prefixlen); | |
616 | if (dst_p.family == AF_INET) | |
617 | { | |
618 | inet_ntop(AF_INET, &dst_p.u.prefix4, buf, sizeof(buf)); | |
619 | ptm_lib_append_msg(ptm_hdl, out_ctxt, ZEBRA_PTM_BFD_DST_IP_FIELD, buf); | |
620 | } | |
621 | #ifdef HAVE_IPV6 | |
622 | else | |
623 | { | |
624 | inet_ntop(AF_INET6, &dst_p.u.prefix6, buf, sizeof(buf)); | |
625 | ptm_lib_append_msg(ptm_hdl, out_ctxt, ZEBRA_PTM_BFD_DST_IP_FIELD, buf); | |
626 | } | |
627 | #endif /* HAVE_IPV6 */ | |
628 | ||
629 | min_rx_timer = stream_getl(s); | |
630 | sprintf(tmp_buf, "%d", min_rx_timer); | |
631 | ptm_lib_append_msg(ptm_hdl, out_ctxt, ZEBRA_PTM_BFD_MIN_RX_FIELD, | |
632 | tmp_buf); | |
633 | min_tx_timer = stream_getl(s); | |
634 | sprintf(tmp_buf, "%d", min_tx_timer); | |
635 | ptm_lib_append_msg(ptm_hdl, out_ctxt, ZEBRA_PTM_BFD_MIN_TX_FIELD, | |
636 | tmp_buf); | |
637 | detect_mul = stream_getc(s); | |
638 | sprintf(tmp_buf, "%d", detect_mul); | |
639 | ptm_lib_append_msg(ptm_hdl, out_ctxt, ZEBRA_PTM_BFD_DETECT_MULT_FIELD, | |
640 | tmp_buf); | |
641 | ||
642 | multi_hop = stream_getc(s); | |
643 | if (multi_hop) | |
644 | { | |
645 | sprintf(tmp_buf, "%d", 1); | |
646 | ptm_lib_append_msg(ptm_hdl, out_ctxt, ZEBRA_PTM_BFD_MULTI_HOP_FIELD, | |
647 | tmp_buf); | |
648 | src_p.family = stream_getw(s); | |
649 | ||
650 | if (src_p.family == AF_INET) | |
651 | src_p.prefixlen = IPV4_MAX_BYTELEN; | |
652 | else | |
653 | src_p.prefixlen = IPV6_MAX_BYTELEN; | |
654 | ||
655 | stream_get(&src_p.u.prefix, s, src_p.prefixlen); | |
656 | if (src_p.family == AF_INET) | |
657 | { | |
658 | inet_ntop(AF_INET, &src_p.u.prefix4, buf, sizeof(buf)); | |
659 | ptm_lib_append_msg(ptm_hdl, out_ctxt, | |
660 | ZEBRA_PTM_BFD_SRC_IP_FIELD, buf); | |
661 | } | |
662 | #ifdef HAVE_IPV6 | |
663 | else | |
664 | { | |
665 | inet_ntop(AF_INET6, &src_p.u.prefix6, buf, sizeof(buf)); | |
666 | ptm_lib_append_msg(ptm_hdl, out_ctxt, | |
667 | ZEBRA_PTM_BFD_SRC_IP_FIELD, buf); | |
668 | } | |
669 | #endif /* HAVE_IPV6 */ | |
670 | ||
671 | multi_hop_cnt = stream_getc(s); | |
672 | sprintf(tmp_buf, "%d", multi_hop_cnt); | |
673 | ptm_lib_append_msg(ptm_hdl, out_ctxt, ZEBRA_PTM_BFD_MAX_HOP_CNT_FIELD, | |
674 | tmp_buf); | |
d553294e | 675 | |
d651649e DS |
676 | ptm_lib_append_msg(ptm_hdl, out_ctxt, ZEBRA_PTM_BFD_VRF_NAME_FIELD, |
677 | zvrf->name); | |
c43ed2e4 DS |
678 | } |
679 | else | |
680 | { | |
681 | #ifdef HAVE_IPV6 | |
682 | if (dst_p.family == AF_INET6) | |
683 | { | |
684 | src_p.family = stream_getw(s); | |
685 | ||
686 | if (src_p.family == AF_INET) | |
687 | src_p.prefixlen = IPV4_MAX_BYTELEN; | |
688 | else | |
689 | src_p.prefixlen = IPV6_MAX_BYTELEN; | |
690 | ||
691 | stream_get(&src_p.u.prefix, s, src_p.prefixlen); | |
692 | if (src_p.family == AF_INET) | |
693 | { | |
694 | inet_ntop(AF_INET, &src_p.u.prefix4, buf, sizeof(buf)); | |
695 | ptm_lib_append_msg(ptm_hdl, out_ctxt, | |
696 | ZEBRA_PTM_BFD_SRC_IP_FIELD, buf); | |
697 | } | |
698 | else | |
699 | { | |
700 | inet_ntop(AF_INET6, &src_p.u.prefix6, buf, sizeof(buf)); | |
701 | ptm_lib_append_msg(ptm_hdl, out_ctxt, | |
702 | ZEBRA_PTM_BFD_SRC_IP_FIELD, buf); | |
703 | } | |
704 | } | |
705 | #endif /* HAVE_IPV6 */ | |
706 | len = stream_getc(s); | |
707 | stream_get(if_name, s, len); | |
708 | if_name[len] = '\0'; | |
709 | ||
710 | ptm_lib_append_msg(ptm_hdl, out_ctxt, ZEBRA_PTM_BFD_IFNAME_FIELD, | |
711 | if_name); | |
712 | } | |
713 | ||
68fe91d6 | 714 | sprintf(tmp_buf, "%d", 1); |
715 | ptm_lib_append_msg(ptm_hdl, out_ctxt, ZEBRA_PTM_BFD_SEND_EVENT, | |
716 | tmp_buf); | |
717 | ||
c8ed14dd DS |
718 | ptm_lib_complete_msg(ptm_hdl, out_ctxt, ptm_cb.out_data, &data_len); |
719 | ||
720 | if (IS_ZEBRA_DEBUG_SEND) | |
721 | zlog_debug ("%s: Sent message (%d) %s", __func__, data_len, | |
722 | ptm_cb.out_data); | |
723 | zebra_ptm_send_message(ptm_cb.out_data, data_len); | |
c43ed2e4 DS |
724 | return 0; |
725 | } | |
726 | ||
727 | /* BFD peer/dst deregister */ | |
728 | int | |
d553294e | 729 | zebra_ptm_bfd_dst_deregister (struct zserv *client, int sock, u_short length, |
d651649e | 730 | struct zebra_vrf *zvrf) |
c43ed2e4 | 731 | { |
c43ed2e4 DS |
732 | struct stream *s; |
733 | struct prefix src_p; | |
734 | struct prefix dst_p; | |
735 | u_char multi_hop; | |
736 | char if_name[INTERFACE_NAMSIZ]; | |
737 | u_char len; | |
738 | char buf[INET6_ADDRSTRLEN]; | |
739 | char tmp_buf[64]; | |
740 | int data_len = ZEBRA_PTM_SEND_MAX_SOCKBUF; | |
741 | void *out_ctxt; | |
055c4dfc | 742 | unsigned int pid; |
c43ed2e4 DS |
743 | |
744 | client->bfd_peer_del_cnt++; | |
745 | ||
c8ed14dd DS |
746 | if (IS_ZEBRA_DEBUG_EVENT) |
747 | zlog_debug("bfd_dst_deregister msg from client %s: length=%d", | |
748 | zebra_route_string(client->proto), length); | |
c43ed2e4 | 749 | |
c8ed14dd | 750 | if (ptm_cb.ptm_sock == -1) |
c43ed2e4 | 751 | { |
c8ed14dd DS |
752 | ptm_cb.t_timer = thread_add_timer (zebrad.master, zebra_ptm_connect, |
753 | NULL, ptm_cb.reconnect_time); | |
c43ed2e4 DS |
754 | return -1; |
755 | } | |
756 | ||
757 | ptm_lib_init_msg(ptm_hdl, 0, PTMLIB_MSG_TYPE_CMD, NULL, &out_ctxt); | |
758 | ||
759 | sprintf(tmp_buf, "%s", ZEBRA_PTM_BFD_STOP_CMD); | |
c8ed14dd | 760 | ptm_lib_append_msg(ptm_hdl, out_ctxt, ZEBRA_PTM_CMD_STR, tmp_buf); |
c43ed2e4 | 761 | |
055c4dfc | 762 | sprintf(tmp_buf, "%s", zebra_route_string(client->proto)); |
c43ed2e4 DS |
763 | ptm_lib_append_msg(ptm_hdl, out_ctxt, ZEBRA_PTM_BFD_CLIENT_FIELD, |
764 | tmp_buf); | |
765 | ||
c43ed2e4 DS |
766 | s = client->ibuf; |
767 | ||
055c4dfc | 768 | pid = stream_getl(s); |
769 | sprintf(tmp_buf, "%d", pid); | |
770 | ptm_lib_append_msg(ptm_hdl, out_ctxt, ZEBRA_PTM_BFD_SEQID_FIELD, tmp_buf); | |
771 | ||
c43ed2e4 DS |
772 | dst_p.family = stream_getw(s); |
773 | ||
774 | if (dst_p.family == AF_INET) | |
775 | dst_p.prefixlen = IPV4_MAX_BYTELEN; | |
776 | else | |
777 | dst_p.prefixlen = IPV6_MAX_BYTELEN; | |
778 | ||
779 | stream_get(&dst_p.u.prefix, s, dst_p.prefixlen); | |
780 | if (dst_p.family == AF_INET) | |
781 | { | |
782 | inet_ntop(AF_INET, &dst_p.u.prefix4, buf, sizeof(buf)); | |
783 | ptm_lib_append_msg(ptm_hdl, out_ctxt, ZEBRA_PTM_BFD_DST_IP_FIELD, buf); | |
784 | } | |
785 | #ifdef HAVE_IPV6 | |
786 | else | |
787 | { | |
788 | inet_ntop(AF_INET6, &dst_p.u.prefix6, buf, sizeof(buf)); | |
789 | ptm_lib_append_msg(ptm_hdl, out_ctxt, ZEBRA_PTM_BFD_DST_IP_FIELD, buf); | |
790 | } | |
791 | #endif /* HAVE_IPV6 */ | |
792 | ||
793 | multi_hop = stream_getc(s); | |
794 | if (multi_hop) | |
795 | { | |
796 | sprintf(tmp_buf, "%d", 1); | |
797 | ptm_lib_append_msg(ptm_hdl, out_ctxt, ZEBRA_PTM_BFD_MULTI_HOP_FIELD, | |
798 | tmp_buf); | |
799 | ||
800 | src_p.family = stream_getw(s); | |
801 | ||
802 | if (src_p.family == AF_INET) | |
803 | src_p.prefixlen = IPV4_MAX_BYTELEN; | |
804 | else | |
805 | src_p.prefixlen = IPV6_MAX_BYTELEN; | |
806 | ||
807 | stream_get(&src_p.u.prefix, s, src_p.prefixlen); | |
808 | if (src_p.family == AF_INET) | |
809 | { | |
810 | inet_ntop(AF_INET, &src_p.u.prefix4, buf, sizeof(buf)); | |
811 | ptm_lib_append_msg(ptm_hdl, out_ctxt, | |
812 | ZEBRA_PTM_BFD_SRC_IP_FIELD, buf); | |
813 | } | |
814 | #ifdef HAVE_IPV6 | |
815 | else | |
816 | { | |
817 | inet_ntop(AF_INET6, &src_p.u.prefix6, buf, sizeof(buf)); | |
818 | ptm_lib_append_msg(ptm_hdl, out_ctxt, | |
819 | ZEBRA_PTM_BFD_SRC_IP_FIELD, buf); | |
820 | } | |
821 | #endif /* HAVE_IPV6 */ | |
d651649e DS |
822 | ptm_lib_append_msg(ptm_hdl, out_ctxt, ZEBRA_PTM_BFD_VRF_NAME_FIELD, |
823 | zvrf->name); | |
c43ed2e4 DS |
824 | } |
825 | else | |
826 | { | |
827 | #ifdef HAVE_IPV6 | |
828 | if (dst_p.family == AF_INET6) | |
829 | { | |
830 | src_p.family = stream_getw(s); | |
831 | ||
832 | if (src_p.family == AF_INET) | |
833 | src_p.prefixlen = IPV4_MAX_BYTELEN; | |
834 | else | |
835 | src_p.prefixlen = IPV6_MAX_BYTELEN; | |
836 | ||
837 | stream_get(&src_p.u.prefix, s, src_p.prefixlen); | |
838 | if (src_p.family == AF_INET) | |
839 | { | |
840 | inet_ntop(AF_INET, &src_p.u.prefix4, buf, sizeof(buf)); | |
841 | ptm_lib_append_msg(ptm_hdl, out_ctxt, | |
842 | ZEBRA_PTM_BFD_SRC_IP_FIELD, buf); | |
843 | } | |
844 | else | |
845 | { | |
846 | inet_ntop(AF_INET6, &src_p.u.prefix6, buf, sizeof(buf)); | |
847 | ptm_lib_append_msg(ptm_hdl, out_ctxt, | |
848 | ZEBRA_PTM_BFD_SRC_IP_FIELD, buf); | |
849 | } | |
850 | } | |
851 | #endif /* HAVE_IPV6 */ | |
852 | ||
853 | len = stream_getc(s); | |
854 | stream_get(if_name, s, len); | |
855 | if_name[len] = '\0'; | |
856 | ||
857 | ptm_lib_append_msg(ptm_hdl, out_ctxt, ZEBRA_PTM_BFD_IFNAME_FIELD, | |
858 | if_name); | |
859 | } | |
c01acf98 | 860 | |
c8ed14dd DS |
861 | ptm_lib_complete_msg(ptm_hdl, out_ctxt, ptm_cb.out_data, &data_len); |
862 | if (IS_ZEBRA_DEBUG_SEND) | |
863 | zlog_debug ("%s: Sent message (%d) %s", __func__, data_len, | |
864 | ptm_cb.out_data); | |
865 | ||
866 | zebra_ptm_send_message(ptm_cb.out_data, data_len); | |
c01acf98 DS |
867 | return 0; |
868 | } | |
c8ed14dd | 869 | |
055c4dfc | 870 | /* BFD client register */ |
871 | int | |
872 | zebra_ptm_bfd_client_register (struct zserv *client, int sock, u_short length) | |
873 | { | |
874 | struct stream *s; | |
875 | unsigned int pid; | |
876 | void *out_ctxt; | |
877 | char tmp_buf[64]; | |
878 | int data_len = ZEBRA_PTM_SEND_MAX_SOCKBUF; | |
879 | ||
880 | client->bfd_client_reg_cnt++; | |
881 | ||
882 | if (IS_ZEBRA_DEBUG_EVENT) | |
883 | zlog_debug("bfd_client_register msg from client %s: length=%d", | |
884 | zebra_route_string(client->proto), length); | |
885 | ||
886 | if (ptm_cb.ptm_sock == -1) | |
887 | { | |
888 | ptm_cb.t_timer = thread_add_timer (zebrad.master, zebra_ptm_connect, | |
889 | NULL, ptm_cb.reconnect_time); | |
890 | return -1; | |
891 | } | |
892 | ||
893 | ptm_lib_init_msg(ptm_hdl, 0, PTMLIB_MSG_TYPE_CMD, NULL, &out_ctxt); | |
894 | ||
895 | sprintf(tmp_buf, "%s", ZEBRA_PTM_BFD_CLIENT_REG_CMD); | |
896 | ptm_lib_append_msg(ptm_hdl, out_ctxt, ZEBRA_PTM_CMD_STR, tmp_buf); | |
897 | ||
898 | sprintf(tmp_buf, "%s", zebra_route_string(client->proto)); | |
899 | ptm_lib_append_msg(ptm_hdl, out_ctxt, ZEBRA_PTM_BFD_CLIENT_FIELD, | |
900 | tmp_buf); | |
901 | ||
902 | s = client->ibuf; | |
903 | ||
904 | pid = stream_getl(s); | |
905 | sprintf(tmp_buf, "%d", pid); | |
906 | ptm_lib_append_msg(ptm_hdl, out_ctxt, ZEBRA_PTM_BFD_SEQID_FIELD, | |
907 | tmp_buf); | |
908 | ||
909 | ptm_lib_complete_msg(ptm_hdl, out_ctxt, ptm_cb.out_data, &data_len); | |
910 | ||
911 | if (IS_ZEBRA_DEBUG_SEND) | |
912 | zlog_debug ("%s: Sent message (%d) %s", __func__, data_len, | |
913 | ptm_cb.out_data); | |
914 | zebra_ptm_send_message(ptm_cb.out_data, data_len); | |
915 | return 0; | |
916 | } | |
917 | ||
c8ed14dd DS |
918 | int |
919 | zebra_ptm_get_enable_state(void) | |
920 | { | |
921 | return ptm_cb.ptm_enable; | |
922 | } | |
950bd436 | 923 | |
924 | /* | |
925 | * zebra_ptm_get_status_str - Convert status to a display string. | |
926 | */ | |
927 | static const char * | |
928 | zebra_ptm_get_status_str(int status) | |
929 | { | |
930 | switch (status) | |
931 | { | |
932 | case ZEBRA_PTM_STATUS_DOWN: | |
933 | return "fail"; | |
934 | case ZEBRA_PTM_STATUS_UP: | |
935 | return "pass"; | |
936 | case ZEBRA_PTM_STATUS_UNKNOWN: | |
937 | default: | |
938 | return "n/a"; | |
939 | } | |
940 | } | |
941 | ||
942 | void | |
943 | zebra_ptm_show_status(struct vty *vty, struct interface *ifp) | |
944 | { | |
945 | vty_out (vty, " PTM status: "); | |
946 | if (ifp->ptm_enable) { | |
947 | vty_out (vty, "%s%s", zebra_ptm_get_status_str (ifp->ptm_status), | |
948 | VTY_NEWLINE); | |
949 | } else { | |
950 | vty_out (vty, "disabled%s", VTY_NEWLINE); | |
951 | } | |
952 | } | |
953 | ||
954 | void | |
955 | zebra_ptm_send_status_req(void) | |
956 | { | |
957 | void *out_ctxt; | |
958 | int len = ZEBRA_PTM_SEND_MAX_SOCKBUF; | |
959 | ||
960 | if (ptm_cb.ptm_enable) | |
961 | { | |
962 | ptm_lib_init_msg(ptm_hdl, 0, PTMLIB_MSG_TYPE_CMD, NULL, &out_ctxt); | |
963 | ptm_lib_append_msg(ptm_hdl, out_ctxt, ZEBRA_PTM_CMD_STR, | |
964 | ZEBRA_PTM_GET_STATUS_CMD); | |
965 | ptm_lib_complete_msg(ptm_hdl, out_ctxt, ptm_cb.out_data, &len); | |
966 | ||
967 | zebra_ptm_send_message(ptm_cb.out_data, len); | |
968 | } | |
969 | } | |
970 | ||
971 | void | |
972 | zebra_ptm_reset_status(int ptm_disable) | |
973 | { | |
974 | struct listnode *i; | |
975 | struct interface *ifp; | |
976 | int send_linkup; | |
b2d7c082 | 977 | vrf_iter_t iter; |
950bd436 | 978 | |
b2d7c082 DS |
979 | for (iter = vrf_first (); iter != VRF_ITER_INVALID; iter = vrf_next (iter)) |
980 | for (ALL_LIST_ELEMENTS_RO (vrf_iter2iflist (iter), i, ifp)) | |
981 | { | |
982 | send_linkup = 0; | |
983 | if (ifp->ptm_enable) | |
984 | { | |
985 | if (!if_is_operative(ifp)) | |
986 | send_linkup = 1; | |
987 | ||
988 | if (ptm_disable) | |
989 | ifp->ptm_enable = 0; | |
990 | ifp->ptm_status = ZEBRA_PTM_STATUS_UNKNOWN; | |
991 | ||
992 | if (if_is_operative (ifp) && send_linkup) | |
993 | { | |
994 | if (IS_ZEBRA_DEBUG_EVENT) | |
995 | zlog_debug ("%s: Bringing up interface %s", __func__, | |
996 | ifp->name); | |
997 | if_up (ifp); | |
998 | } | |
999 | } | |
1000 | } | |
950bd436 | 1001 | } |