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make MRU configurable, NAK config requests for larger values

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Brendan O'Dea 2005-09-15 09:34:46 +00:00
parent 90a81d13b5
commit 0c678c5a03
8 changed files with 39 additions and 11 deletions
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20
ppp.c
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@ -1,6 +1,6 @@
// L2TPNS PPP Stuff
char const *cvs_id_ppp = "$Id: ppp.c,v 1.80 2005-09-13 14:23:07 bodea Exp $";
char const *cvs_id_ppp = "$Id: ppp.c,v 1.81 2005-09-15 09:34:49 bodea Exp $";
#include <stdio.h>
#include <string.h>
@ -577,7 +577,18 @@ void processlcp(sessionidt s, tunnelidt t, uint8_t *p, uint16_t l)
switch (type)
{
case 1: // Maximum-Receive-Unit
session[s].mru = ntohs(*(uint16_t *)(o + 2));
{
uint16_t mru = ntohs(*(uint16_t *)(o + 2));
if (!config->ppp_mru || mru <= config->ppp_mru)
{
session[s].mru = mru;
break;
}
LOG(3, s, t, " Remote requesting MRU of %u. Rejecting.\n", mru);
mru = htons(config->ppp_mru);
q = ppp_conf_nak(s, b, sizeof(b), PPPLCP, &response, q, p, o, (uint8_t *) &mru, sizeof(mru));
}
break;
case 2: // Async-Control-Character-Map
@ -738,8 +749,9 @@ void processlcp(sessionidt s, tunnelidt t, uint8_t *p, uint16_t l)
case 1: // Maximum-Receive-Unit
if (*p == ConfigNak)
{
session[s].mru = ntohs(*(uint16_t *)(o + 2));
LOG(3, s, t, " Remote requested MRU of %u\n", session[s].mru);
session[s].mru = 0;
LOG(3, s, t, " Remote requested MRU of %u; removing option\n",
ntohs(*(uint16_t *)(o + 2)));
}
else
{