void ip_route_test(void)
{
char ip[40] = {0};
ip_valid_test();
ip_local(ip);
printf("ip: %s\n", ip);
ip_route_get("192.168.12.114", ip);
printf("ip route(192.168.12.114) => %s\n", ip);
// don't support DNS
//ip_route_get("www.baidu.com", ip);
//printf("ip route(www.baidu.com) => %s\n", ip);
}
bool sockinfo::attach_receiver(flow_tuple_with_local_if &flow_key)
{
// This function should be called from within mutex protected context of the sockinfo!!!
si_logdbg("Attaching to %s", flow_key.to_str());
// Protect against local loopback used as local_if & peer_ip
// rdma_cm will accept it but we don't want to offload it
if (flow_key.is_local_loopback()) {
si_logdbg("VMA does not offload local loopback IP address");
return false;
}
if (m_rx_flow_map.find(flow_key) != m_rx_flow_map.end()) {
si_logdbg("already attached %s", flow_key.to_str());
return false;
}
net_device_resources_t* p_nd_resources = NULL;
// Check if we are already registered to net_device with the local ip as observers
ip_address ip_local(flow_key.get_local_if());
rx_net_device_map_t::iterator rx_nd_iter = m_rx_nd_map.find(ip_local.get_in_addr());
if (rx_nd_iter == m_rx_nd_map.end()) {
// Need to register as observer to net_device
net_device_resources_t nd_resources;
nd_resources.refcnt = 0;
nd_resources.p_nde = NULL;
nd_resources.p_ndv = NULL;
nd_resources.p_ring = NULL;
BULLSEYE_EXCLUDE_BLOCK_START
cache_entry_subject<ip_address, net_device_val*>* p_ces = NULL;
if (!g_p_net_device_table_mgr->register_observer(ip_local, &m_rx_nd_observer, &p_ces)) {
si_logdbg("Failed registering as observer for local ip %s", ip_local.to_str().c_str());
return false;
}
nd_resources.p_nde = (net_device_entry*)p_ces;
if (!nd_resources.p_nde) {
si_logerr("Got NULL net_devide_entry for local ip %s", ip_local.to_str().c_str());
return false;
}
if (!nd_resources.p_nde->get_val(nd_resources.p_ndv)) {
si_logerr("Got net_device_val=NULL (interface is not offloaded) for local ip %s", ip_local.to_str().c_str());
return false;
}
unlock_rx_q();
m_rx_ring_map_lock.lock();
resource_allocation_key key = 0;
if (m_rx_ring_map.size()) {
key = m_ring_alloc_logic.get_key();
} else {
key = m_ring_alloc_logic.create_new_key();
}
nd_resources.p_ring = nd_resources.p_ndv->reserve_ring(key);
m_rx_ring_map_lock.unlock();
lock_rx_q();
if (!nd_resources.p_ring) {
si_logdbg("Failed to reserve ring for allocation key %d on lip %s", m_ring_alloc_logic.get_key(), ip_local.to_str().c_str());
return false;
}
// Add new net_device to rx_map
m_rx_nd_map[ip_local.get_in_addr()] = nd_resources;
rx_nd_iter = m_rx_nd_map.find(ip_local.get_in_addr());
if (rx_nd_iter == m_rx_nd_map.end()) {
si_logerr("Failed to find rx_nd_iter");
return false;
}
BULLSEYE_EXCLUDE_BLOCK_END
}
