static int dev_configuration(struct net_device *dev)
{
struct net_addr dst;
struct service_id default_service;
int ret;
memset(&default_service, 0, sizeof(default_service));
if (ifname && strcmp(dev->name, ifname) != 0)
return 0;
if (dev->flags & IFF_POINTOPOINT)
ret = dev_get_ipv4_addr(dev, IFADDR_ADDRESS, &dst);
else
ret = dev_get_ipv4_addr(dev, IFADDR_BROADCAST, &dst);
if (ret == 1) {
#if defined(ENABLE_DEBUG)
{
char buf[16];
LOG_DBG("dev %s bc=%s\n",
dev->name,
inet_ntop(AF_INET, &dst, buf, 16));
}
#endif
service_add(&default_service, 0, SERVICE_RULE_FORWARD, 0,
BROADCAST_SERVICE_DEFAULT_PRIORITY,
BROADCAST_SERVICE_DEFAULT_WEIGHT,
&dst, sizeof(dst), make_dev_target(dev),
GFP_ATOMIC);
}
return ret;
}
int serval_ipv4_build_and_send_pkt(struct sk_buff *skb, struct sock *sk,
u32 saddr, u32 daddr,
struct ip_options *opt)
{
int err = 0;
#if defined(OS_LINUX_KERNEL)
/*
We need to initialize the IP control block since SAL
might have dirtied it.
*/
memset(IPCB(skb), 0, sizeof(struct inet_skb_parm));
#endif
if (saddr == 0) {
if (!skb->dev) {
LOG_ERR("no device set\n");
FREE_SKB(skb);
return -ENODEV;
}
dev_get_ipv4_addr(skb->dev, IFADDR_LOCAL, &saddr);
}
err = serval_ipv4_fill_in_hdr(sk, skb, saddr, daddr);
if (err < 0) {
LOG_ERR("hdr failed\n");
FREE_SKB(skb);
return err;
}
/* Transmit */
err = serval_ip_local_out(skb);
if (err < 0) {
LOG_ERR("xmit failed\n");
}
return err;
}
