diff options
Diffstat (limited to 'sys/contrib/ipfilter/netinet/fil.c')
| -rw-r--r-- | sys/contrib/ipfilter/netinet/fil.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/sys/contrib/ipfilter/netinet/fil.c b/sys/contrib/ipfilter/netinet/fil.c index bffb4b2..605f8d3 100644 --- a/sys/contrib/ipfilter/netinet/fil.c +++ b/sys/contrib/ipfilter/netinet/fil.c @@ -1470,7 +1470,13 @@ nodata: # endif /* defined(BSD) || defined(sun) */ # endif /* SOLARIS */ #else /* KERNEL */ - sum2 = 0; + for (; slen > 1; slen -= 2) + sum += *sp++; + if (slen) + sum += ntohs(*(u_char *)sp << 8); + while (sum > 0xffff) + sum = (sum & 0xffff) + (sum >> 16); + sum2 = (u_short)(~sum & 0xffff); #endif /* KERNEL */ tcp->th_sum = ts; return sum2; @@ -1511,7 +1517,7 @@ nodata: * SUCH DAMAGE. * * @(#)uipc_mbuf.c 8.2 (Berkeley) 1/4/94 - * $Id: fil.c,v 2.35.2.59 2002/03/25 11:07:37 darrenr Exp $ + * $Id: fil.c,v 2.35.2.60 2002/04/26 10:20:34 darrenr Exp $ */ /* * Copy data from an mbuf chain starting "off" bytes from the beginning, @@ -2176,3 +2182,15 @@ int icmptoicmp6unreach[ICMP_MAX_UNREACH] = { ICMP6_DST_UNREACH_ADMIN, /* 13: ICMP_UNREACH_ADMIN_PROHIBIT */ }; #endif + + +#ifndef _KERNEL +int mbuflen(buf) +mb_t *buf; +{ + ip_t *ip; + + ip = (ip_t *)buf; + return ip->ip_len; +} +#endif |
