diff options
| author | brian <brian@FreeBSD.org> | 1997-09-29 19:40:16 +0000 |
|---|---|---|
| committer | brian <brian@FreeBSD.org> | 1997-09-29 19:40:16 +0000 |
| commit | 4ab28dc74b09d4df0bea68dc42a4b757e9ed2ca2 (patch) | |
| tree | 965f536b01bbd5e9549d1510144587435db659b5 /usr.sbin/ppp/lcp.c | |
| parent | 8ee659dd96d873b5cbd19e4345cf0eb021efe021 (diff) | |
| download | FreeBSD-src-4ab28dc74b09d4df0bea68dc42a4b757e9ed2ca2.zip FreeBSD-src-4ab28dc74b09d4df0bea68dc42a4b757e9ed2ca2.tar.gz | |
If "set mtu" is used, *and* the mtu is less than the
value requested by the peer, NAK using this value
rather than silently just changing the interface
mtu.
Diffstat (limited to 'usr.sbin/ppp/lcp.c')
| -rw-r--r-- | usr.sbin/ppp/lcp.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/usr.sbin/ppp/lcp.c b/usr.sbin/ppp/lcp.c index 4c04eaa..d72679d 100644 --- a/usr.sbin/ppp/lcp.c +++ b/usr.sbin/ppp/lcp.c @@ -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) { |
