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On Sat, Oct 30, 2010 at 01:53:17PM +0200, Hans Schillstrom wrote:
>
> On Saturday, October 30, 2010 08:50:31 Simon Horman wrote:
> > On Fri, Oct 29, 2010 at 02:16:39PM +0200, Hans Schillstrom wrote:
> > > Enable sending and removal of version 0 sending
> > > Affected functions,
> > >
> > > ip_vs_sync_buff_create()
> > > ip_vs_sync_conn()
> > >
> > > ip_vs_core.c removal of IPv4 check.
> > >
> > > Signed-off-by: Hans Schillstrom <hans.schillstrom@xxxxxxxxxxxx>
> >
> > [ snip ]
> >
> > > diff --git a/net/netfilter/ipvs/ip_vs_sync.c
> > > b/net/netfilter/ipvs/ip_vs_sync.c
> > > index 5aa8e04..00f0fd3 100644
> > > --- a/net/netfilter/ipvs/ip_vs_sync.c
> > > +++ b/net/netfilter/ipvs/ip_vs_sync.c
> >
> > [ snip ]
> >
> > > @@ -376,36 +420,63 @@ void ip_vs_sync_conn(struct ip_vs_conn *cp)
> > > }
> > > }
> > >
> > > - len = (cp->flags & IP_VS_CONN_F_SEQ_MASK) ? FULL_CONN_SIZE :
> > > - SIMPLE_CONN_SIZE;
> > > +
> > > m = curr_sb->mesg;
> > > - s = (struct ip_vs_sync_conn_v0 *)curr_sb->head;
> > > + s = (union ip_vs_sync_conn *)curr_sb->head;
> > > + p = (char *)s;
> > >
> > > + /* Set message type */
> > > + s->v4.type = (cp->af == AF_INET6 ? STYPE_INET6 : 0 );
> > > /* copy members */
> > > - s->protocol = cp->protocol;
> > > - s->cport = cp->cport;
> > > - s->vport = cp->vport;
> > > - s->dport = cp->dport;
> > > - s->caddr = cp->caddr.ip;
> > > - s->vaddr = cp->vaddr.ip;
> > > - s->daddr = cp->daddr.ip;
> > > - s->flags = htons(cp->flags & ~IP_VS_CONN_F_HASHED);
> > > - s->state = htons(cp->state);
> > > - if (cp->flags & IP_VS_CONN_F_SEQ_MASK) {
> > > - struct ip_vs_sync_conn_options *opt =
> > > - (struct ip_vs_sync_conn_options *)&s[1];
> > > - memcpy(opt, &cp->in_seq, sizeof(*opt));
> > > - }
> > > -
> > > + s->v4.ver_size = htons(len & SVER_MASK); /* Version=0 */
> > > + s->v4.flags = htonl(cp->flags & ~IP_VS_CONN_F_HASHED);
> > > + s->v4.state = htons(cp->state);
> > > + s->v4.protocol = cp->protocol;
> > > + s->v4.cport = cp->cport;
> > > + s->v4.vport = cp->vport;
> > > + s->v4.dport = cp->dport;
> > > + s->v4.fwmark = htonl(cp->fwmark);
> > > + s->v4.timeout = htonl(cp->timeout / HZ);
> > > m->nr_conns++;
> > > - m->size += len;
> > > - curr_sb->head += len;
> > >
> > > - /* check if there is a space for next one */
> > > - if (curr_sb->head+FULL_CONN_SIZE > curr_sb->end) {
> > > - sb_queue_tail(curr_sb);
> > > - curr_sb = NULL;
> > > +#ifdef CONFIG_IP_VS_IPV6
> > > + if (cp->af == AF_INET6 ) {
> > > + p += sizeof(struct ip_vs_sync_v6);
> > > + ipv6_addr_copy(&s->v6.caddr, &cp->caddr.in6);
> > > + ipv6_addr_copy(&s->v6.vaddr, &cp->vaddr.in6);
> > > + ipv6_addr_copy(&s->v6.daddr, &cp->daddr.in6);
> > > + } else
> > > +#endif
> > > + {
> > > + p += sizeof(struct ip_vs_sync_v4); /* options ptr */
> > > + s->v4.caddr = cp->caddr.ip;
> > > + s->v4.vaddr = cp->vaddr.ip;
> > > + s->v4.daddr = cp->daddr.ip;
> > > + }
> > > + if (cp->flags & IP_VS_CONN_F_SEQ_MASK) {
> > > + *(p++) = IPVS_OPT_SEQ_DATA;
> > > + *(p++) = sizeof(struct ip_vs_sync_conn_options);
> > > + memcpy(p, &cp->in_seq,
> > > + sizeof(struct ip_vs_sync_conn_options));
> > > + p += sizeof(struct ip_vs_sync_conn_options);
> > > }
> > > + /* Handle pe data */
> > > + if (cp->pe_data_len && cp->pe_data) {
> >
> > I don't think that its possible for pe_data_len to be non-zero
> > and pe_data be NULL and vice-versa.
>
> I prefer to avoid a NULL pointer exception :-)
> but if you are 100% sure that that I can remove the "&& cp->pe_data", I do
> that
I am 99.9% sure. You call :-)
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