static netdev_tx_t ipddp_xmit(struct sk_buff *skb, struct net_device *dev)
{
__be32 paddr = skb_rtable(skb)->rt_gateway;
struct ddpehdr *ddp;
struct ipddp_route *rt;
struct atalk_addr *our_addr;
spin_lock(&ipddp_route_lock);
for(rt = ipddp_route_list; rt != NULL; rt = rt->next)
{
if(rt->ip == paddr)
break;
}
if(rt == NULL) {
spin_unlock(&ipddp_route_lock);
return NETDEV_TX_OK;
}
our_addr = atalk_find_dev_addr(rt->dev);
if(ipddp_mode == IPDDP_DECAP)
skb_pull(skb, 35-(sizeof(struct ddpehdr)+1));
ddp = (struct ddpehdr *)skb->data;
ddp->deh_len_hops = htons(skb->len + (1<<10));
ddp->deh_sum = 0;
if(rt->dev->type == ARPHRD_LOCALTLK)
{
ddp->deh_dnet = 0;
ddp->deh_snet = 0;
}
else
{
ddp->deh_dnet = rt->at.s_net;
ddp->deh_snet = our_addr->s_net;
}
ddp->deh_dnode = rt->at.s_node;
ddp->deh_snode = our_addr->s_node;
ddp->deh_dport = 72;
ddp->deh_sport = 72;
*((__u8 *)(ddp+1)) = 22;
skb->protocol = htons(ETH_P_ATALK);
dev->stats.tx_packets++;
dev->stats.tx_bytes += skb->len;
aarp_send_ddp(rt->dev, skb, &rt->at, NULL);
spin_unlock(&ipddp_route_lock);
return NETDEV_TX_OK;
}
static netdev_tx_t ipddp_xmit(struct sk_buff *skb, struct net_device *dev)
{
__be32 paddr = skb_rtable(skb)->rt_gateway;
struct ddpehdr *ddp;
struct ipddp_route *rt;
struct atalk_addr *our_addr;
spin_lock(&ipddp_route_lock);
/*
* Find appropriate route to use, based only on IP number.
*/
for(rt = ipddp_route_list; rt != NULL; rt = rt->next)
{
if(rt->ip == paddr)
break;
}
if(rt == NULL) {
spin_unlock(&ipddp_route_lock);
return NETDEV_TX_OK;
}
our_addr = atalk_find_dev_addr(rt->dev);
if(ipddp_mode == IPDDP_DECAP)
/*
* Pull off the excess room that should not be there.
* This is due to a hard-header problem. This is the
* quick fix for now though, till it breaks.
*/
skb_pull(skb, 35-(sizeof(struct ddpehdr)+1));
/* Create the Extended DDP header */
ddp = (struct ddpehdr *)skb->data;
ddp->deh_len_hops = htons(skb->len + (1<<10));
ddp->deh_sum = 0;
/*
* For Localtalk we need aarp_send_ddp to strip the
* long DDP header and place a shot DDP header on it.
*/
if(rt->dev->type == ARPHRD_LOCALTLK)
{
ddp->deh_dnet = 0; /* FIXME more hops?? */
ddp->deh_snet = 0;
}
else
{
ddp->deh_dnet = rt->at.s_net; /* FIXME more hops?? */
ddp->deh_snet = our_addr->s_net;
}
ddp->deh_dnode = rt->at.s_node;
ddp->deh_snode = our_addr->s_node;
ddp->deh_dport = 72;
ddp->deh_sport = 72;
*((__u8 *)(ddp+1)) = 22; /* ddp type = IP */
skb->protocol = htons(ETH_P_ATALK); /* Protocol has changed */
dev->stats.tx_packets++;
dev->stats.tx_bytes += skb->len;
aarp_send_ddp(rt->dev, skb, &rt->at, NULL);
spin_unlock(&ipddp_route_lock);
return NETDEV_TX_OK;
}
/*
* Transmit LLAP/ELAP frame using aarp_send_ddp.
*/
static int ipddp_xmit(struct sk_buff *skb, struct net_device *dev)
{
u32 paddr = ((struct rtable*)skb->dst)->rt_gateway;
struct ddpehdr *ddp;
struct ipddp_route *rt;
struct atalk_addr *our_addr;
/*
* Find appropriate route to use, based only on IP number.
*/
for(rt = ipddp_route_list; rt != NULL; rt = rt->next)
{
if(rt->ip == paddr)
break;
}
if(rt == NULL)
return 0;
our_addr = atalk_find_dev_addr(rt->dev);
if(ipddp_mode == IPDDP_DECAP)
/*
* Pull off the excess room that should not be there.
* This is due to a hard-header problem. This is the
* quick fix for now though, till it breaks.
*/
skb_pull(skb, 35-(sizeof(struct ddpehdr)+1));
/* Create the Extended DDP header */
ddp = (struct ddpehdr *)skb->data;
ddp->deh_len = skb->len;
ddp->deh_hops = 1;
ddp->deh_pad = 0;
ddp->deh_sum = 0;
/*
* For Localtalk we need aarp_send_ddp to strip the
* long DDP header and place a shot DDP header on it.
*/
if(rt->dev->type == ARPHRD_LOCALTLK)
{
ddp->deh_dnet = 0; /* FIXME more hops?? */
ddp->deh_snet = 0;
}
else
{
ddp->deh_dnet = rt->at.s_net; /* FIXME more hops?? */
ddp->deh_snet = our_addr->s_net;
}
ddp->deh_dnode = rt->at.s_node;
ddp->deh_snode = our_addr->s_node;
ddp->deh_dport = 72;
ddp->deh_sport = 72;
*((__u8 *)(ddp+1)) = 22; /* ddp type = IP */
*((__u16 *)ddp)=ntohs(*((__u16 *)ddp)); /* fix up length field */
skb->protocol = htons(ETH_P_ATALK); /* Protocol has changed */
((struct net_device_stats *) dev->priv)->tx_packets++;
((struct net_device_stats *) dev->priv)->tx_bytes+=skb->len;
if(aarp_send_ddp(rt->dev, skb, &rt->at, NULL) < 0)
dev_kfree_skb(skb);
return 0;
}
