Lines Matching refs:mp
26 * $FreeBSD: src/usr.sbin/ppp/mp.c,v 1.55.26.1 2010/12/21 17:10:29 kensmith Exp $
77 #include "mp.h"
136 mp_ReadHeader(struct mp *mp, struct mbuf *m, struct mp_header *header)
138 if (mp->local_is12bit) {
143 log_Printf(LogWARN, "Oops - MP header without required zero bits\n");
153 log_Printf(LogWARN, "Oops - MP header without required zero bits\n");
194 struct mp *mp = (struct mp *)v;
197 percent = MAX(mp->link.stats.total.in.OctetsPerSecond,
198 mp->link.stats.total.out.OctetsPerSecond) * 800 /
199 mp->bundle->bandwidth;
200 if (percent >= mp->cfg.autoload.max) {
202 bundle_AutoAdjust(mp->bundle, percent, AUTO_UP);
203 } else if (percent <= mp->cfg.autoload.min) {
205 bundle_AutoAdjust(mp->bundle, percent, AUTO_DOWN);
210 mp_StopAutoloadTimer(struct mp *mp)
212 throughput_stop(&mp->link.stats.total);
216 mp_CheckAutoloadTimer(struct mp *mp)
218 if (mp->link.stats.total.SamplePeriod != mp->cfg.autoload.period) {
219 throughput_destroy(&mp->link.stats.total);
220 throughput_init(&mp->link.stats.total, mp->cfg.autoload.period);
221 throughput_callback(&mp->link.stats.total, mp_UpDown, mp);
224 if (bundle_WantAutoloadTimer(mp->bundle))
225 throughput_start(&mp->link.stats.total, "MP throughput", 1);
227 mp_StopAutoloadTimer(mp);
231 mp_RestartAutoloadTimer(struct mp *mp)
233 if (mp->link.stats.total.SamplePeriod != mp->cfg.autoload.period)
234 mp_CheckAutoloadTimer(mp);
236 throughput_clear(&mp->link.stats.total, THROUGHPUT_OVERALL, NULL);
240 mp_Init(struct mp *mp, struct bundle *bundle)
242 mp->peer_is12bit = mp->local_is12bit = 0;
243 mp->peer_mrru = mp->local_mrru = 0;
245 peerid_Init(&mp->peer);
247 mp->out.seq = 0;
248 mp->out.link = 0;
249 mp->out.af = AF_INET;
250 mp->seq.min_in = 0;
251 mp->seq.next_in = 0;
252 mp->inbufs = NULL;
253 mp->bundle = bundle;
255 mp->link.type = LOGICAL_LINK;
256 mp->link.name = "mp";
257 mp->link.len = sizeof *mp;
259 mp->cfg.autoload.period = SAMPLE_PERIOD;
260 mp->cfg.autoload.min = mp->cfg.autoload.max = 0;
261 throughput_init(&mp->link.stats.total, mp->cfg.autoload.period);
262 throughput_callback(&mp->link.stats.total, mp_UpDown, mp);
263 mp->link.stats.parent = NULL;
264 mp->link.stats.gather = 0; /* Let the physical links gather stats */
265 memset(mp->link.Queue, '\0', sizeof mp->link.Queue);
266 memset(mp->link.proto_in, '\0', sizeof mp->link.proto_in);
267 memset(mp->link.proto_out, '\0', sizeof mp->link.proto_out);
269 mp->fsmp.LayerStart = mp_LayerStart;
270 mp->fsmp.LayerUp = mp_LayerUp;
271 mp->fsmp.LayerDown = mp_LayerDown;
272 mp->fsmp.LayerFinish = mp_LayerFinish;
273 mp->fsmp.object = mp;
275 mpserver_Init(&mp->server);
277 mp->cfg.mrru = 0;
278 mp->cfg.shortseq = NEG_ENABLED|NEG_ACCEPTED;
279 mp->cfg.negenddisc = NEG_ENABLED|NEG_ACCEPTED;
280 mp->cfg.enddisc.class = 0;
281 *mp->cfg.enddisc.address = '\0';
282 mp->cfg.enddisc.len = 0;
284 lcp_Init(&mp->link.lcp, mp->bundle, &mp->link, NULL);
285 ccp_Init(&mp->link.ccp, mp->bundle, &mp->link, &mp->fsmp);
287 link_EmptyStack(&mp->link);
288 link_Stack(&mp->link, &protolayer);
289 link_Stack(&mp->link, &ccplayer);
290 link_Stack(&mp->link, &vjlayer);
292 link_Stack(&mp->link, &natlayer);
297 mp_Up(struct mp *mp, struct datalink *dl)
301 if (mp->active) {
303 if (!peerid_Equal(&dl->peer, &mp->peer)) {
305 log_Printf(LogPHASE, " Attached to peer %s/%s\n", mp->peer.authname,
306 mp_Enddisc(mp->peer.enddisc.class, mp->peer.enddisc.address,
307 mp->peer.enddisc.len));
313 if (mp->local_mrru != lcp->want_mrru ||
314 mp->peer_mrru != lcp->his_mrru ||
315 mp->local_is12bit != lcp->want_shortseq ||
316 mp->peer_is12bit != lcp->his_shortseq) {
317 log_Printf(LogPHASE, "%s: Invalid MRRU/SHORTSEQ MP parameters !\n",
325 mp->local_mrru = lcp->want_mrru;
326 mp->peer_mrru = lcp->his_mrru;
327 mp->local_is12bit = lcp->want_shortseq;
328 mp->peer_is12bit = lcp->his_shortseq;
329 mp->peer = dl->peer;
331 throughput_destroy(&mp->link.stats.total);
332 throughput_init(&mp->link.stats.total, mp->cfg.autoload.period);
333 throughput_callback(&mp->link.stats.total, mp_UpDown, mp);
334 memset(mp->link.Queue, '\0', sizeof mp->link.Queue);
335 memset(mp->link.proto_in, '\0', sizeof mp->link.proto_in);
336 memset(mp->link.proto_out, '\0', sizeof mp->link.proto_out);
339 dl->physical->link.stats.parent = &mp->link.stats.total;
341 mp->out.seq = 0;
342 mp->out.link = 0;
343 mp->out.af = AF_INET;
344 mp->seq.min_in = 0;
345 mp->seq.next_in = 0;
351 switch (mpserver_Open(&mp->server, &mp->peer)) {
353 log_Printf(LogPHASE, "mp: Transfer link on %s\n",
354 mp->server.socket.sun_path);
355 mp->server.send.dl = dl; /* Defer 'till it's safe to send */
360 log_Printf(LogPHASE, "mp: Listening on %s\n", mp->server.socket.sun_path);
363 /* Re-point our NCP layers at our MP link */
364 ncp_SetLink(&mp->bundle->ncp, &mp->link);
367 if (ccp_SetOpenMode(&mp->link.ccp)) {
368 fsm_Up(&mp->link.ccp.fsm);
369 fsm_Open(&mp->link.ccp.fsm);
372 mp->active = 1;
381 mp_Down(struct mp *mp)
383 if (mp->active) {
387 mp_StopAutoloadTimer(mp);
390 mpserver_Close(&mp->server);
393 fsm2initial(&mp->link.ccp.fsm);
396 while (mp->inbufs) {
397 next = mp->inbufs->m_nextpkt;
398 m_freem(mp->inbufs);
399 mp->inbufs = next;
402 peerid_Init(&mp->peer);
403 mp->active = 0;
415 mp_Assemble(struct mp *mp, struct mbuf *m, struct physical *p)
427 if (m && mp_ReadHeader(mp, m, &mh) == 0) {
433 seq = p->dl->mp.seq;
434 p->dl->mp.seq = mh.seq;
436 seq = mp->seq.min_in;
438 if (mp->seq.min_in == seq) {
445 mp->seq.min_in = (u_int32_t)-1;
446 for (dl = mp->bundle->links; dl; dl = dl->next)
448 (mp->seq.min_in == (u_int32_t)-1 ||
449 isbefore(mp->local_is12bit, dl->mp.seq, mp->seq.min_in)))
450 mp->seq.min_in = dl->mp.seq;
460 seq = mp->seq.next_in;
461 q = mp->inbufs;
467 mp->inbufs = m;
472 mp_ReadHeader(mp, q, &h);
474 if (m && isbefore(mp->local_is12bit, mh.seq, h.seq)) {
479 mp->inbufs = m;
489 if (isbefore(mp->local_is12bit, seq, mp->seq.min_in)) {
494 while (mp->inbufs != q) {
496 next = mp->inbufs->m_nextpkt;
497 m_freem(mp->inbufs);
498 mp->inbufs = next;
507 mp_ReadHeader(mp, mp->inbufs, &h);
513 next = mp->inbufs->m_nextpkt;
515 m_freem(mp->inbufs);
516 mp->inbufs = next;
517 } while (mp->inbufs && (isbefore(mp->local_is12bit, mp->seq.min_in,
528 mp->seq.next_in = seq = inc_seq(mp->local_is12bit, h.seq);
530 q = mp->inbufs;
541 *frag = mp->inbufs;
542 mp->inbufs = mp->inbufs->m_nextpkt;
543 len = mp_ReadHeader(mp, *frag, &h);
547 log_Printf(LogWARN, "Oops - MP frag %lu should have a begin flag\n",
552 log_Printf(LogWARN, "Oops - MP frag %lu should have an end flag\n",
558 (*frag)->m_nextpkt = mp->inbufs;
559 mp->inbufs = *frag;
577 log_Printf(LogDEBUG, "MP: Reassembled frags %lu-%lu, length %zd\n",
579 link_PullPacket(&mp->link, MBUF_CTOP(q), q->m_len, mp->bundle);
583 mpmp->local_is12bit, h.seq);
585 q = mp->inbufs;
588 seq = inc_seq(mp->local_is12bit, seq);
597 for (q = mp->inbufs; q; last = q, q = q->m_nextpkt) {
598 mp_ReadHeader(mp, q, &h);
599 if (isbefore(mp->local_is12bit, mh.seq, h.seq))
606 mp->inbufs = m;
616 if (!bundle->ncp.mp.active)
621 log_Printf(LogWARN, "DecodePacket: Can't do MP inside MP !\n");
625 mp_Assemble(&bundle->ncp.mp, bp, p);
632 mp_Output(struct mp *mp, struct bundle *bundle, struct link *l,
637 /* Stuff an MP header on the front of our packet and send it */
639 if (mp->peer_is12bit) {
642 val = (begin << 15) | (end << 14) | (u_int16_t)mp->out.seq;
648 val = (begin << 31) | (end << 30) | (u_int32_t)mp->out.seq;
653 log_Printf(LogDEBUG, "MP[frag %d]: Send %zd bytes on link `%s'\n",
654 mp->out.seq, m_length(m), l->name);
655 mp->out.seq = inc_seq(mp->peer_is12bit, mp->out.seq);
668 struct mp *mp = &bundle->ncp.mp;
678 /* Include non-open links here as mp->out.link will stay more correct */
680 if (thislink == mp->out.link)
718 if (!mp_QueueLen(mp)) {
723 * MP level link compression, queue outbound traffic directly via that
724 * link's protocol stack rather than using the MP link. This results
732 if (dl->physical->link.lcp.his_mru < mp->peer_mrru) {
736 * in MP fragments and some data in PROTO_IP packets. That's just
744 bestlink = sendasip ? &dl->physical->link : &mp->link;
745 if (!ncp_PushPacket(&bundle->ncp, &mp->out.af, bestlink))
763 m = link_Dequeue(&mp->link);
782 mp_Output(mp, bundle, &dl->physical->link, mo, begin, end);
798 mp->out.link = thislink; /* Start here next time */
816 arg->cx->mp.bandwidth = val;
827 struct mp *mp = &arg->bundle->ncp.mp;
829 prompt_Printf(arg->prompt, "Multilink is %sactive\n", mp->active ? "" : "in");
830 if (mp->active) {
836 mp->server.socket.sun_path);
837 for (m = mp->inbufs; m; m = m->m_nextpkt) {
846 first = mp_ReadHeader(mp, mp->inbufs, &mh) ? mh.seq : 0;
847 last = mp_ReadHeader(mp, lm, &mh) ? mh.seq : 0;
849 first, last, (unsigned long)mp->seq.next_in,
850 (unsigned long)mp->seq.min_in);
858 if (mp->active) {
859 prompt_Printf(arg->prompt, " Output SEQ: %u\n", mp->out.seq);
860 prompt_Printf(arg->prompt, " MRRU: %u\n", mp->local_mrru);
862 mp->local_is12bit ? "on" : "off");
865 mp_Enddisc(mp->cfg.enddisc.class, mp->cfg.enddisc.address,
866 mp->cfg.enddisc.len));
869 if (mp->active) {
870 prompt_Printf(arg->prompt, " Auth Name: %s\n", mp->peer.authname);
871 prompt_Printf(arg->prompt, " Input SEQ: %u\n", mp->seq.next_in);
872 prompt_Printf(arg->prompt, " MRRU: %u\n", mp->peer_mrru);
874 mp->peer_is12bit ? "on" : "off");
877 mp_Enddisc(mp->peer.enddisc.class, mp->peer.enddisc.address,
878 mp->peer.enddisc.len));
883 if (mp->cfg.mrru)
884 prompt_Printf(arg->prompt, "%d (multilink enabled)\n", mp->cfg.mrru);
888 command_ShowNegval(mp->cfg.shortseq));
890 command_ShowNegval(mp->cfg.negenddisc));
892 " period %d secs\n", mp->cfg.autoload.min,
893 mp->cfg.autoload.max, mp->cfg.autoload.period);
959 struct mp *mp = &arg->bundle->ncp.mp;
979 mp->cfg.enddisc.class = 0;
980 *mp->cfg.enddisc.address = '\0';
981 mp->cfg.enddisc.len = 0;
984 mp->cfg.enddisc.class = ENDDISC_LOCAL;
985 strcpy(mp->cfg.enddisc.address, arg->bundle->cfg.label);
986 mp->cfg.enddisc.len = strlen(mp->cfg.enddisc.address);
992 memcpy(mp->cfg.enddisc.address, &addr.s_addr, sizeof addr.s_addr);
993 mp->cfg.enddisc.class = ENDDISC_IP;
994 mp->cfg.enddisc.len = sizeof arg->bundle->ncp.ipcp.my_ip.s_addr;
1004 mp->cfg.enddisc.class = ENDDISC_MAC;
1005 memcpy(mp->cfg.enddisc.address, hwaddr.sdl_data + hwaddr.sdl_nlen,
1007 mp->cfg.enddisc.len = hwaddr.sdl_alen;
1018 *(long *)(mp->cfg.enddisc.address + f) = random();
1019 mp->cfg.enddisc.class = ENDDISC_MAGIC;
1020 mp->cfg.enddisc.len = 20;
1023 mp->cfg.enddisc.class = ENDDISC_PSN;
1024 strcpy(mp->cfg.enddisc.address, arg->argv[arg->argn+1]);
1025 mp->cfg.enddisc.len = strlen(mp->cfg.enddisc.address);
1064 log_Printf(LogTIMER, "mp: fdset(r) %d\n", s->fd);
1198 mp_LinkLost(struct mp *mp, struct datalink *dl)
1200 if (mp->seq.min_in == dl->mp.seq)
1202 mp_Assemble(mp, NULL, NULL);
1206 mp_QueueLen(struct mp *mp)
1208 return link_QueueLen(&mp->link);
