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Code Issues Releases Activity

If "set mtu" is used, *and* the mtu is less than the

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value requested by the peer, NAK using this value
rather than silently just changing the interface
mtu.
This commit is contained in:
Brian Somers 1997-09-29 19:40:16 +00:00
parent bf5cbf3551
commit 8bfa2d0ed9
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=29990
1 changed files with 7 additions and 4 deletions
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11
usr.sbin/ppp/lcp.c
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@ -17,7 +17,7 @@
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
* $Id: lcp.c,v 1.35 1997/09/25 00:52:34 brian Exp $
* $Id: lcp.c,v 1.36 1997/09/27 19:41:40 brian Exp $
*
* TODO:
* o Validate magic number received from peer.
@ -417,7 +417,7 @@ static void
LcpDecodeConfig(u_char * cp, int plen, int mode)
{
char *request;
int type, length, mru;
int type, length, mru, mtu;
u_long *lp, magic, accmap;
u_short *sp, proto;
struct lqrreq *req;
@ -442,8 +442,11 @@ LcpDecodeConfig(u_char * cp, int plen, int mode)
switch (mode) {
case MODE_REQ:
if (mru > MAX_MRU) {
*sp = htons(MAX_MRU);
mtu = VarPrefMTU;
if (mtu == 0)
mtu = MAX_MTU;
if (mru > mtu) {
*sp = htons(mtu);
bcopy(cp, nakp, 4);
nakp += 4;
} else if (mru < MIN_MRU) {