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fix checksum recalc

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This commit is contained in:
Brendan O'Dea 2005-11-17 06:46:24 +00:00
parent 6c71960bcf
commit a52279783d
1 changed files with 4 additions and 3 deletions
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7
l2tpns.c
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@ -4,7 +4,7 @@
// Copyright (c) 2002 FireBrick (Andrews & Arnold Ltd / Watchfront Ltd) - GPL licenced
// vim: sw=8 ts=8
char const *cvs_id_l2tpns = "$Id: l2tpns.c,v 1.148 2005-11-14 21:08:30 bodea Exp $";
char const *cvs_id_l2tpns = "$Id: l2tpns.c,v 1.149 2005-11-17 06:46:24 bodea Exp $";
#include <arpa/inet.h>
#include <assert.h>
@ -1043,7 +1043,7 @@ void adjust_tcp_mss(sessionidt s, tunnelidt t, uint8_t *buf, int len, uint8_t *t
sum = orig + (~MSS & 0xffff);
sum += ntohs(*(uint16_t *) (tcp + 16));
sum = (sum & 0xffff) + (sum >> 16);
*(uint16_t *) (tcp + 16) = htons(sum);
*(uint16_t *) (tcp + 16) = htons(sum + (sum >> 16));
}
// process outgoing (to tunnel) IP
@ -1170,7 +1170,8 @@ static void processipout(uint8_t *buf, int len)
master_throttle_packet(sp->tbf_out, data, size);
return;
}
else if (sp->walled_garden && !config->cluster_iam_master)
if (sp->walled_garden && !config->cluster_iam_master)
{
// We are walled-gardening this
master_garden_packet(s, data, size);