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Code Issues Releases Activity

Tone down the log levels (Log{ERROR,WARN} -> LogCCP)

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when we've simply missed a packet.

When our Predictor1 CRC is wrong (implying we've dropped
a packet), don't send a ResetReq().  Instead, send another
CCP ConfigReq().  *shrug*  My tests show this as being far
worse than the ResetReq as we may have further Nak/Rejs etc
and we're basically resetting both our incoming and outgoing
compression dictionaries, but rfc1978 says the ConfigReq is
correct, so we'd better go along...
This commit is contained in:
Brian Somers 1999-03-11 01:49:15 +00:00
parent 63a134bc15
commit a36ca3cc08
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=44650
3 changed files with 18 additions and 16 deletions
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10
usr.sbin/ppp/ccp.c
View File

@ -17,7 +17,7 @@
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
* $Id: ccp.c,v 1.42 1999/02/06 02:54:44 brian Exp $
* $Id: ccp.c,v 1.43 1999/02/26 21:28:07 brian Exp $
*
* TODO:
* o Support other compression protocols
@ -548,17 +548,17 @@ CcpRecvResetAck(struct fsm *fp, u_char id)
if (ccp->reset_sent != -1) {
if (id != ccp->reset_sent) {
log_Printf(LogWARN, "CCP: %s: Incorrect ResetAck (id %d, not %d)"
log_Printf(LogCCP, "%s: Incorrect ResetAck (id %d, not %d)"
" ignored\n", fp->link->name, id, ccp->reset_sent);
return;
}
/* Whaddaya know - a correct reset ack */
} else if (id == ccp->last_reset)
log_Printf(LogCCP, "%s: Duplicate ResetAck (resetting again)\n",
fp->link->name);
fp->link->name);
else {
log_Printf(LogWARN, "CCP: %s: Unexpected ResetAck (id %d) ignored\n",
fp->link->name, id);
log_Printf(LogCCP, "%s: Unexpected ResetAck (id %d) ignored\n",
fp->link->name, id);
return;
}

12
usr.sbin/ppp/deflate.c
View File

@ -23,7 +23,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: deflate.c,v 1.10 1998/06/16 19:40:36 brian Exp $
* $Id: deflate.c,v 1.11 1998/08/07 18:42:48 brian Exp $
*/
#include <sys/types.h>
@ -222,7 +222,7 @@ DeflateInput(void *v, struct ccp *ccp, u_short *proto, struct mbuf *mi)
*/
state->seqno = seq;
else {
log_Printf(LogWARN, "DeflateInput: Seq error: Got %d, expected %d\n",
log_Printf(LogCCP, "DeflateInput: Seq error: Got %d, expected %d\n",
seq, state->seqno);
mbuf_Free(mi_head);
ccp_SendResetReq(&ccp->fsm);
@ -258,7 +258,7 @@ DeflateInput(void *v, struct ccp *ccp, u_short *proto, struct mbuf *mi)
if ((res = inflate(&state->cx, flush)) != Z_OK) {
if (res == Z_STREAM_END)
break; /* Done */
log_Printf(LogWARN, "DeflateInput: inflate returned %d (%s)\n",
log_Printf(LogCCP, "DeflateInput: inflate returned %d (%s)\n",
res, state->cx.msg ? state->cx.msg : "");
mbuf_Free(mo_head);
mbuf_Free(mi);
@ -302,7 +302,7 @@ DeflateInput(void *v, struct ccp *ccp, u_short *proto, struct mbuf *mi)
mbuf_Free(mi);
if (first) {
log_Printf(LogWARN, "DeflateInput: Length error\n");
log_Printf(LogCCP, "DeflateInput: Length error\n");
mbuf_Free(mo_head);
ccp_SendResetReq(&ccp->fsm);
return NULL;
@ -383,9 +383,9 @@ DeflateDictSetup(void *v, struct ccp *ccp, u_short proto, struct mbuf *mi)
break; /* Done */
if (expect_error && res == Z_BUF_ERROR)
break;
log_Printf(LogERROR, "DeflateDictSetup: inflate returned %d (%s)\n",
log_Printf(LogCCP, "DeflateDictSetup: inflate returned %d (%s)\n",
res, state->cx.msg ? state->cx.msg : "");
log_Printf(LogERROR, "DeflateDictSetup: avail_in %d, avail_out %d\n",
log_Printf(LogCCP, "DeflateDictSetup: avail_in %d, avail_out %d\n",
state->cx.avail_in, state->cx.avail_out);
ccp_SendResetReq(&ccp->fsm);
mbuf_FreeSeg(mi_head); /* lose our allocated ``head'' buf */

12
usr.sbin/ppp/pred.c
View File

@ -26,7 +26,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: pred.c,v 1.21 1998/05/21 21:47:53 brian Exp $
* $Id: pred.c,v 1.22 1998/08/07 18:42:50 brian Exp $
*/
#include <sys/types.h>
@ -43,6 +43,8 @@
#include "hdlc.h"
#include "lcp.h"
#include "ccp.h"
#include "throughput.h"
#include "link.h"
#include "pred.h"
/* The following hash code is the heart of the algorithm:
@ -232,8 +234,8 @@ Pred1Input(void *v, struct ccp *ccp, u_short *proto, struct mbuf *bp)
ccp->compin += olen;
len &= 0x7fff;
if (len != len1) { /* Error is detected. Send reset request */
log_Printf(LogCCP, "Pred1: Length error\n");
ccp_SendResetReq(&ccp->fsm);
log_Printf(LogCCP, "Pred1: Length error (got %d, not %d)\n", len1, len);
fsm_Reopen(&ccp->fsm);
mbuf_Free(bp);
mbuf_Free(wp);
return NULL;
@ -269,8 +271,8 @@ Pred1Input(void *v, struct ccp *ccp, u_short *proto, struct mbuf *bp)
mbuf_Free(bp);
return wp;
} else {
log_DumpBp(LogHDLC, "Bad FCS", wp);
ccp_SendResetReq(&ccp->fsm);
log_Printf(LogCCP, "%s: Bad CRC-16\n", ccp->fsm.link->name);
fsm_Reopen(&ccp->fsm);
mbuf_Free(wp);
}
mbuf_Free(bp);