Re: TCP/IPv6 broken in Linux 2.5.64?

[kuznet@xxxxxxxxxxxxx]

Hello!

> irc servers, or an IPv6 zonetransfer. However, when I try to ssh from 2.5.65

Try this. I have just found this lost patch, it is from 2.4 tree, but
it should fit to 2.5 as well.

Alexey


===== net/ipv6/tcp_ipv6.c 1.19 vs edited =====
--- 1.19/net/ipv6/tcp_ipv6.c    Thu Jan 23 21:14:18 2003
+++ edited/net/ipv6/tcp_ipv6.c  Thu Mar 20 18:44:17 2003
@@ -983,7 +983,7 @@
        struct ipv6_pinfo *np = &sk->net_pinfo.af_inet6;
 
        if (skb->ip_summed == CHECKSUM_HW) {
-               th->check = csum_ipv6_magic(&np->saddr, &np->daddr, len, 
IPPROTO_TCP,  0);
+               th->check = ~csum_ipv6_magic(&np->saddr, &np->daddr, len, 
IPPROTO_TCP,  0);
                skb->csum = offsetof(struct tcphdr, check);
        } else {
                th->check = csum_ipv6_magic(&np->saddr, &np->daddr, len, 
IPPROTO_TCP,