PERFORCE change 157796 for review
Andre Oppermann
andre at FreeBSD.org
Mon Feb 16 08:11:00 PST 2009
http://perforce.freebsd.org/chv.cgi?CH=157796
Change 157796 by andre at andre_flirtbox on 2009/02/16 16:10:48
Better ttl and hlim initialization in tcpip_fillheaders.
Affected files ...
.. //depot/projects/tcp_new/netinet/tcp_subr.c#4 edit
Differences ...
==== //depot/projects/tcp_new/netinet/tcp_subr.c#4 (text+ko) ====
@@ -294,9 +294,8 @@
* of the tcpcb each time to conserve mbufs.
*/
void
-tcpip_fillheaders(struct inpcb *inp, void *ip_ptr, void *tcp_ptr)
+tcpip_fillheaders(struct inpcb *inp, void *ip_ptr, struct tcphdr *th)
{
- struct tcphdr *th = (struct tcphdr *)tcp_ptr;
INP_LOCK_ASSERT(inp);
@@ -311,6 +310,7 @@
(IPV6_VERSION & IPV6_VERSION_MASK);
ip6->ip6_nxt = IPPROTO_TCP;
ip6->ip6_plen = sizeof(struct tcphdr);
+ ip6->ip6_hlim = in6_selecthlim(inp, NULL);
ip6->ip6_src = inp->in6p_laddr;
ip6->ip6_dst = inp->in6p_faddr;
} else
@@ -325,7 +325,12 @@
ip->ip_len = 0;
ip->ip_id = 0;
ip->ip_off = 0;
- ip->ip_ttl = inp->inp_ip_ttl;
+#ifdef INET6
+ if (INP_CHECK_SOCKAF(inp->inp_socket, AF_INET6))
+ ip->ip_ttl = in6_selecthlim(inp, NULL);
+ else
+#endif
+ ip->ip_ttl = inp->inp_ip_ttl;
ip->ip_sum = 0;
ip->ip_p = IPPROTO_TCP;
ip->ip_src = inp->inp_laddr;
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