static void ipmr_cache_resolve(struct mfc_cache *uc, struct mfc_cache *c)
{
struct sk_buff *skb;
struct nlmsgerr *e;
/*
* Play the pending entries through our router
*/
while((skb=__skb_dequeue(&uc->mfc_un.unres.unresolved))) {
if (skb->nh.iph->version == 0) {
int err;
struct nlmsghdr *nlh = (struct nlmsghdr *)skb_pull(skb, sizeof(struct iphdr));
if (ipmr_fill_mroute(skb, c, NLMSG_DATA(nlh)) > 0) {
nlh->nlmsg_len = skb->tail - (u8*)nlh;
} else {
nlh->nlmsg_type = NLMSG_ERROR;
nlh->nlmsg_len = NLMSG_LENGTH(sizeof(struct nlmsgerr));
skb_trim(skb, nlh->nlmsg_len);
e = NLMSG_DATA(nlh);
e->error = -EMSGSIZE;
memset(&e->msg, 0, sizeof(e->msg));
}
err = netlink_unicast(rtnl, skb, NETLINK_CB(skb).dst_pid, MSG_DONTWAIT);
} else
ip_mr_forward(skb, c, 0);
}
}
static void ipmr_cache_resolve(struct mfc_cache *uc, struct mfc_cache *c)
{
struct sk_buff *skb;
/*
* Play the pending entries through our router
*/
while((skb=__skb_dequeue(&uc->mfc_un.unres.unresolved))) {
if (skb->nh.iph->version == 0) {
int err;
struct nlmsghdr *nlh = (struct nlmsghdr *)skb_pull(skb, sizeof(struct iphdr));
if (ipmr_fill_mroute(skb, c, NLMSG_DATA(nlh)) > 0) {
nlh->nlmsg_len = skb->tail - (u8*)nlh;
} else {
nlh->nlmsg_type = NLMSG_ERROR;
nlh->nlmsg_len = NLMSG_LENGTH(sizeof(struct nlmsgerr));
skb_trim(skb, nlh->nlmsg_len);
((struct nlmsgerr*)NLMSG_DATA(nlh))->error = -EMSGSIZE;
}
err = netlink_unicast(rtnl, skb, NETLINK_CB(skb).dst_pid, MSG_DONTWAIT);
} else {
DBPRINT("ipmr_cache_resolve - IP packet from %u.%u.%u.%u -> %u.%u.%u.%u with NextProtocol= %d\n",
NIPQUAD(skb->nh.iph->saddr), NIPQUAD(skb->nh.iph->daddr), skb->nh.iph->protocol);
ip_mr_forward(skb, c, 0);
}
}
}
static void ipmr_cache_resolve(struct mfc_cache *cache)
{
struct sk_buff *skb;
start_bh_atomic();
/*
* Kill the queue entry timer.
*/
del_timer(&cache->mfc_timer);
if (cache->mfc_flags&MFC_QUEUED) {
cache->mfc_flags&=~MFC_QUEUED;
cache_resolve_queue_len--;
}
end_bh_atomic();
/*
* Play the pending entries through our router
*/
while((skb=skb_dequeue(&cache->mfc_unresolved))) {
#ifdef CONFIG_RTNETLINK
if (skb->nh.iph->version == 0) {
int err;
struct nlmsghdr *nlh = (struct nlmsghdr *)skb_pull(skb, sizeof(struct iphdr));
if (ipmr_fill_mroute(skb, cache, NLMSG_DATA(nlh)) > 0) {
nlh->nlmsg_len = skb->tail - (u8*)nlh;
} else {
nlh->nlmsg_type = NLMSG_ERROR;
nlh->nlmsg_len = NLMSG_LENGTH(sizeof(struct nlmsgerr));
skb_trim(skb, nlh->nlmsg_len);
((struct nlmsgerr*)NLMSG_DATA(nlh))->error = -EMSGSIZE;
}
err = netlink_unicast(rtnl, skb, NETLINK_CB(skb).pid, MSG_DONTWAIT);
} else
#endif
ip_mr_forward(skb, cache, 0);
}
}
