/****************************************************
cleanup_module
----------------------------------------------------
cleans up the module. called by rmmod
****************************************************/
static void __exit cleanup_fbaodv_module(void)
{
printk("\n\nShutting down fbaodv PROTOCOL\n");
remove_proc_entry("fbaodv/routes",NULL);
remove_proc_entry("fbaodv/timers",NULL);
remove_proc_entry("fbaodv/neigh",NULL);
remove_proc_entry("fbaodv/reliability", NULL);
remove_proc_entry("fbaodv/sources", NULL);
remove_proc_entry("fbaodv/node_load", NULL);
remove_proc_entry("fbaodv/gateways", NULL);
remove_proc_entry("fbaodv/user_gateway", NULL);
//remove_proc_entry("fbaodv/gateways_assigned", NULL);
remove_proc_entry("fbaodv/bw_estimation", NULL);
remove_proc_entry("fbaodv/tos_available", NULL);
remove_proc_entry("fbaodv", NULL);
nf_unregister_hook(&input_filter);
nf_unregister_hook(&output_filter);
printk("Unregistered NetFilter hooks...\n");
close_sock();
printk("Closed sockets...\n");
del_timer(&aodv_timer);
printk("Removed timer...\n");
kill_aodv();
printk("Killed router thread...\n");
cleanup_task_queue();
cleanup_packet_queue();
printk("Cleaned up AODV Queues...\n");
cleanup_neigh_routes();
cleanup_aodv_route_table();
flush_src_list();
printk("Cleaned up Route and Rule Tables...\n");
//Eliminando listas
delete_aodv_neigh_list();
delete_aodv_neigh_list_2h();
delete_gw_list();
flush_flow_type_table();
printk("Cleaned up Lists...\n");
printk("Shutdown complete!\n");
}
static int __init init_fbaodv_module(void) {
char *tmp_str = NULL;
inet_aton("0.0.0.0", &g_null_ip);
if (mesh_dev==NULL)
{
printk("You need to specify the mesh network device ie:\n");
printk(" insmod fbaodv_protocol mesh_dev=wlan0 \n");
return(-1);
}
strcpy(g_aodv_dev, mesh_dev);
if(aodv_gateway) {
g_aodv_gateway = (u_int8_t)aodv_gateway;
printk("\n\nSet as AODV-ST gateway\n");
} else
g_aodv_gateway = 0;
if (network_ip == NULL) {
printk("You need to specify aodv network ip range, ie: \n");
printk("network_ip=192.168.0.12/255.255.255.0\n");
return(-1);
}
inet_aton("255.255.255.255",&g_broadcast_ip);
printk("Miguel Catalan Cid\nImplementation built on top of aodv-st by Krishna Ramachandran, UC Santa Barbara\n");
printk("---------------------------------------------\n");
/*ROUTING METRICS*/
if (routing_metric == NULL || strcmp(routing_metric, "HOPS") == 0){
g_routing_metric = HOPS;
printk("Hop count routing\n\n");
}
else if (strcmp(routing_metric, "ETT") == 0) {
g_routing_metric = ETT;
printk("ETT routing: Expected Transmission Time\n\n");
if (nominal_rate && get_nominalrate(nominal_rate))
g_fixed_rate = nominal_rate;
if (!nominal_rate || g_fixed_rate == 0) {
g_fixed_rate = 0;
printk("Nominal rate estimation using packet-pair probe messages: ACTIVE\n\n");
}
else
printk("Nominal rate estimation using packet-pair probe messages: INACTIVE\n\n");
}
else if (strcmp(routing_metric, "WCIM") == 0) {
g_routing_metric = WCIM;
printk("WCIM routing: Weighted Contention and Interference Model\n\n");
if (nominal_rate && get_nominalrate(nominal_rate))
g_fixed_rate = nominal_rate;
if (!nominal_rate || g_fixed_rate == 0) {
g_fixed_rate = 0;
printk("Nominal rate estimation using packet-pair probe messages: ACTIVE\n\n");
}
else
printk("Nominal rate estimation using packet-pair probe messages: INACTIVE\n\n");
}
if (network_ip!=NULL)
{
tmp_str = strchr(network_ip,'/');
if (tmp_str)
{ (*tmp_str)='\0';
tmp_str++;
printk("* Network IP - %s/%s\n", network_ip, tmp_str);
inet_aton(network_ip, &g_mesh_ip);
inet_aton(tmp_str, &g_mesh_netmask);
}
}
if (init_packet_queue() < 0) {
printk("Netlink queue error!!!\n");
printk("Shutdown complete!\n");
return(-1);
}
#ifdef BLACKLIST
if (aodv_blacksize) {
printk("AODV BLACK LIST:\n");
int k;
for (k = 0; k < aodv_blacksize; k++) {
printk(" %s\n", aodv_blacklist[k]);
inet_aton(aodv_blacklist[k], &aodv_blacklist_ip[k]);
}
}
if (dtn_blacksize) {
printk("DTN BLACK LIST:\n");
int k;
for (k = 0; k < dtn_blacksize; k++) {
printk(" %s\n", dtn_blacklist[k]);
inet_aton(dtn_blacklist[k], &dtn_blacklist_ip[k]);
}
}
#endif
init_aodv_route_table();
init_task_queue();
init_timer_queue();
init_aodv_neigh_list();
init_aodv_neigh_list_2h();
init_src_list();
init_gw_list();
init_flow_type_table();
printk("\n*Initialicing mesh device - %s\n", mesh_dev);
if (init_aodv_dev(mesh_dev))
goto out1;
startup_aodv();
if (g_aodv_gateway) {
printk("initiating st_rreq dissemination\n");
insert_timer_simple(TASK_ST, HELLO_INTERVAL, g_mesh_ip); // start first st_rreq immediately
}
//MCC 21/07/2008- UPDATE TIMER ahora en insert_timer
insert_timer_simple(TASK_HELLO, HELLO_INTERVAL,g_mesh_ip );
insert_timer_simple(TASK_GW_CLEANUP, ACTIVE_GWROUTE_TIMEOUT, g_mesh_ip);
insert_timer_simple(TASK_CLEANUP, HELLO_INTERVAL+HELLO_INTERVAL/2, g_mesh_ip);
update_timer_queue();
aodv_dir = proc_mkdir("fbaodv",NULL);
if (aodv_dir == NULL) {
goto out2;
}
///*
#ifdef KERNEL2_6_26
aodv_dir->owner = THIS_MODULE;
#endif
route_table_proc=create_proc_read_entry("routes", 0, aodv_dir, read_route_table_proc, NULL);
#ifdef KERNEL2_6_26
route_table_proc->owner=THIS_MODULE;
#endif
if (route_table_proc == NULL) goto out2;
neigh_proc=create_proc_read_entry("neigh", 0, aodv_dir, read_neigh_proc, NULL);
if (neigh_proc == NULL) goto out2;
#ifdef KERNEL2_6_26
neigh_proc->owner=THIS_MODULE;
#endif
timers_proc=create_proc_read_entry("timers", 0, aodv_dir, read_timer_queue_proc, NULL);
if (timers_proc == NULL) goto out2;
#ifdef KERNEL2_6_26
timers_proc->owner=THIS_MODULE;
#endif
reliability_proc=create_proc_read_entry("reliability", 0, aodv_dir, read_rel_list_proc, NULL);
if (reliability_proc == NULL) goto out2;
#ifdef KERNEL2_6_26
reliability_proc->owner=THIS_MODULE;
#endif
ett_proc=create_proc_read_entry("bw_estimation", 0, aodv_dir, read_ett_list_proc, NULL);
if (ett_proc == NULL) goto out2;
#ifdef KERNEL2_6_26
ett_proc->owner=THIS_MODULE;
#endif
sources_proc=create_proc_read_entry("sources", 0, aodv_dir, read_src_list_proc, NULL);
if (sources_proc == NULL) goto out2;
#ifdef KERNEL2_6_26
sources_proc->owner=THIS_MODULE;
#endif
node_load_proc=create_proc_read_entry("node_load", 0, aodv_dir, read_node_load_proc, NULL);
if (node_load_proc == NULL) goto out2;
#ifdef KERNEL2_6_26
node_load_proc->owner=THIS_MODULE;
#endif
gw_proc=create_proc_read_entry("gateways", 0, aodv_dir, read_gw_list, NULL);
if (gw_proc == NULL) goto out2;
#ifdef KERNEL2_6_26
gw_proc->owner=THIS_MODULE;
#endif
tos_proc=create_proc_read_entry("tos_available", 0, aodv_dir, read_flow_type_table_proc, NULL);
if (ett_proc == NULL) goto out2;
#ifdef KERNEL2_6_26
ett_proc->owner=THIS_MODULE;
#endif
//*/
//netfilter stuff
// input hook
input_filter.list.next = NULL;
input_filter.list.prev = NULL;
input_filter.hook = input_handler;
input_filter.pf = PF_INET; // IPv4
input_filter.hooknum = NF_INET_LOCAL_IN;
//MCC- output hook
output_filter.list.next = NULL;
output_filter.list.prev = NULL;
output_filter.hook = output_handler;
output_filter.pf = PF_INET; // IPv4
output_filter.hooknum = NF_INET_POST_ROUTING;
nf_register_hook(&output_filter);
nf_register_hook(&input_filter);
printk("\n\n****FBAODV_PROTO module initialization complete****\n\n");
return 0;
out1:
close_sock();
del_timer(&aodv_timer);
printk("Removed timer...\n");
cleanup_packet_queue();
printk("Cleaned up AODV Queues...\n");
if (aodv_route_table != NULL)
cleanup_aodv_route_table();
flush_src_list();
printk("Cleaned up Route and Rule Tables...\n");
printk("Shutdown complete!\n");
return(-1);
out2:
remove_proc_entry("fbaodv/routes",NULL);
remove_proc_entry("fbaodv/timers",NULL);
remove_proc_entry("fbaodv/neigh",NULL);
remove_proc_entry("fbaodv/reliability", NULL);
remove_proc_entry("fbaodv/sources", NULL);
remove_proc_entry("fbaodv/node_load", NULL);
remove_proc_entry("fbaodv/gateways", NULL);
remove_proc_entry("fbaodv/user_gateway", NULL);
remove_proc_entry("fbaodv/gateways_assigned", NULL);
remove_proc_entry("fbaodv/bw_estimation", NULL);
remove_proc_entry("fbaodv/tos_available", NULL);
remove_proc_entry("fbaodv", NULL);
printk("\n\nShutting down...\n");
printk("Unregistered NetFilter hooks...\n");
close_sock();
printk("Closed sockets...\n");
del_timer(&aodv_timer);
printk("Removed timer...\n");
kill_aodv();
printk("Killed router thread...\n");
cleanup_task_queue();
cleanup_packet_queue();
printk("Cleaned up AODV Queues...\n");
cleanup_neigh_routes();
cleanup_aodv_route_table();
flush_src_list();
printk("Cleaned up Route and Rule Tables...\n");
//Eliminando listas
delete_aodv_neigh_list();
delete_aodv_neigh_list_2h();
delete_gw_list();
flush_flow_type_table();
printk("Cleaned up Lists...\n");
printk("Shutdown complete!\n");
return(-1);
}
static int __init init_fbaodv_module(void) {
char *tmp_str = NULL;
inet_aton("0.0.0.0", &g_null_ip);
#ifdef DTN_HELLO
//inet_aton("192.168.2.2",&dtn_hello_ip);
inet_aton("127.127.127.127",&dtn_hello_ip);
//printk("%s",inet_ntoa(dtn_hello_ip));
longitude = 0;
latitude = 0;
#endif
if (mesh_dev==NULL)
{
printk("You need to specify the mesh network device ie:\n");
printk(" insmod fbaodv_protocol mesh_dev=wlan0 \n");
return(-1);
}
strcpy(g_aodv_dev, mesh_dev);
if(aodv_gateway) {
g_aodv_gateway = (u_int8_t)aodv_gateway;
printk("\n\nSet as AODV-ST gateway\n");
} else
g_aodv_gateway = 0;
if (network_ip == NULL) {
printk("You need to specify aodv network ip range, ie: \n");
printk("network_ip=192.168.0.12/255.255.255.0\n");
return(-1);
}
inet_aton("255.255.255.255",&g_broadcast_ip);
printk("Miguel Catalan Cid\nImplementation built on top of aodv-st by Krishna Ramachandran, UC Santa Barbara\n");
printk("---------------------------------------------\n");
/*ROUTING METRICS*/
if (routing_metric == NULL || strcmp(routing_metric, "HOPS") == 0){
g_routing_metric = HOPS;
printk("Hop count routing\n\n");
}
//delete the metrics of ETT & WCIM
if (network_ip!=NULL)
{
tmp_str = strchr(network_ip,'/');
if (tmp_str)
{ (*tmp_str)='\0';
tmp_str++;
printk("* Network IP - %s/%s\n", network_ip, tmp_str);
inet_aton(network_ip, &g_mesh_ip);
inet_aton(tmp_str, &g_mesh_netmask);
}
}
if (init_packet_queue() < 0) {
printk("Netlink queue error!!!\n");
printk("Shutdown complete!\n");
return(-1);
}
#ifdef BLACKLIST
if (aodv_blacksize) {
printk("AODV BLACK LIST:\n");
int k;
for (k = 0; k < aodv_blacksize; k++) {
printk(" %s\n", aodv_blacklist[k]);
inet_aton(aodv_blacklist[k], &aodv_blacklist_ip[k]);
}
}
if (dtn_blacksize) {
printk("DTN BLACK LIST:\n");
int k;
for (k = 0; k < dtn_blacksize; k++) {
printk(" %s\n", dtn_blacklist[k]);
inet_aton(dtn_blacklist[k], &dtn_blacklist_ip[k]);
}
}
#endif
init_aodv_route_table();
#ifdef RECOVERYPATH
///////////brk_list//////////////
init_brk_list();
#endif
init_task_queue();
init_timer_queue();
init_aodv_neigh_list();
init_aodv_neigh_list_2h();
init_src_list();
init_gw_list();
init_flow_type_table();
printk("\n*Initialicing mesh device - %s\n", mesh_dev);
extern aodv_dev* net_dev_list;
net_dev_list = NULL;
dev_num = 0;
//if (init_aodv_dev(mesh_dev))
// if(init_net_dev(mesh_dev))
// goto out1;
//printk("---------------init adhoc0-------------------\n");
//#ifdef DEBUGC
//try to get net list when initialling.
struct net_device *pdev;
struct list_head *dev_base = &(init_net.dev_base_head);
//struct list_head *phead;
struct in_device *ip;
struct in_ifaddr *ifaddr;
//int i ;
list_for_each_entry(pdev,dev_base,dev_list)//list_for_each(phead,&dev_base)
{
if( ((pdev->name[0]=='e')&&(pdev->name[1]=='t')&&(pdev->name[2]=='h')) ||
(strcmp(pdev->name,"adhoc0")==0) )
{
char dev_name[IFNAMSIZ];
strcpy(dev_name,pdev->name);
if(init_net_dev(dev_name))
continue;
dev_num ++;
printk("------------------------------------\ndev->name:%s\ndev->ifindex:%d\ndev->type:%d\ndev->dev_id:%d\n----------------------------------\n",pdev->name,pdev->ifindex,pdev->type,pdev->dev_id);
}
/*
//i =0;
ip = pdev->ip_ptr;
ifaddr = ip->ifa_list;
while(ifaddr){
printk("-------ip:%s---------\n",inet_ntoa(ifaddr->ifa_address));
ifaddr = ifaddr->ifa_next;
// printk("=========iiiiiii:%d========\n",i++);
}
//printk("ip:%s\n",inet_ntoa(ip->ifa_list->ifa_address));
if(strcmp(pdev->name,"eth0")==0){
char eth_dev[8];
printk("=========iiiiiii========\n");
strcpy(eth_dev,pdev->name);
printk("=========istgreii========\n");
init_eth_dev(eth_dev);
}
*/
}
//#endif
startup_aodv();
if (g_aodv_gateway) {
printk("initiating st_rreq dissemination\n");
insert_timer_simple(TASK_ST, HELLO_INTERVAL, g_mesh_ip); // start first st_rreq immediately
}
//MCC 21/07/2008- UPDATE TIMER ahora en insert_timer
insert_timer_simple(TASK_HELLO, HELLO_INTERVAL,g_mesh_ip );
insert_timer_simple(TASK_GW_CLEANUP, ACTIVE_GWROUTE_TIMEOUT, g_mesh_ip);
insert_timer_simple(TASK_CLEANUP, HELLO_INTERVAL+HELLO_INTERVAL/2, g_mesh_ip);
update_timer_queue();
aodv_dir = proc_mkdir("fbaodv",NULL);
if (aodv_dir == NULL) {
goto out2;
}
///*
#ifdef KERNEL2_6_26
aodv_dir->owner = THIS_MODULE;
#endif
route_table_proc=create_proc_read_entry("routes", 0, aodv_dir, read_route_table_proc, NULL);
#ifdef KERNEL2_6_26
route_table_proc->owner=THIS_MODULE;
#endif
if (route_table_proc == NULL) goto out2;
neigh_proc=create_proc_read_entry("neigh", 0, aodv_dir, read_neigh_proc, NULL);
if (neigh_proc == NULL) goto out2;
#ifdef KERNEL2_6_26
neigh_proc->owner=THIS_MODULE;
#endif
timers_proc=create_proc_read_entry("timers", 0, aodv_dir, read_timer_queue_proc, NULL);
if (timers_proc == NULL) goto out2;
#ifdef KERNEL2_6_26
timers_proc->owner=THIS_MODULE;
#endif
reliability_proc=create_proc_read_entry("reliability", 0, aodv_dir, read_rel_list_proc, NULL);
if (reliability_proc == NULL) goto out2;
#ifdef KERNEL2_6_26
reliability_proc->owner=THIS_MODULE;
#endif
ett_proc=create_proc_read_entry("bw_estimation", 0, aodv_dir, read_ett_list_proc, NULL);
if (ett_proc == NULL) goto out2;
#ifdef KERNEL2_6_26
ett_proc->owner=THIS_MODULE;
#endif
sources_proc=create_proc_read_entry("sources", 0, aodv_dir, read_src_list_proc, NULL);
if (sources_proc == NULL) goto out2;
#ifdef KERNEL2_6_26
sources_proc->owner=THIS_MODULE;
#endif
node_load_proc=create_proc_read_entry("node_load", 0, aodv_dir, read_node_load_proc, NULL);
if (node_load_proc == NULL) goto out2;
#ifdef KERNEL2_6_26
node_load_proc->owner=THIS_MODULE;
#endif
gw_proc=create_proc_read_entry("gateways", 0, aodv_dir, read_gw_list, NULL);
if (gw_proc == NULL) goto out2;
#ifdef KERNEL2_6_26
gw_proc->owner=THIS_MODULE;
#endif
tos_proc=create_proc_read_entry("tos_available", 0, aodv_dir, read_flow_type_table_proc, NULL);
if (ett_proc == NULL) goto out2;
#ifdef KERNEL2_6_26
ett_proc->owner=THIS_MODULE;
#endif
//*/
//netfilter stuff
// input hook
input_filter.list.next = NULL;
input_filter.list.prev = NULL;
input_filter.hook = input_handler;
input_filter.pf = PF_INET; // IPv4
input_filter.hooknum = NF_INET_LOCAL_IN;
//MCC- output hook
output_filter.list.next = NULL;
output_filter.list.prev = NULL;
output_filter.hook = output_handler;
output_filter.pf = PF_INET; // IPv4
output_filter.hooknum = NF_INET_POST_ROUTING;
nf_register_hook(&output_filter);
nf_register_hook(&input_filter);
printk("\n\n****FBAODV_PROTO module initialization complete****\n\n");
return 0;
out1:
close_sock();
del_timer(&aodv_timer);
printk("Removed timer...\n");
cleanup_packet_queue();
printk("Cleaned up AODV Queues...\n");
if (aodv_route_table != NULL)
cleanup_aodv_route_table();
flush_src_list();
printk("Cleaned up Route and Rule Tables...\n");
printk("Shutdown complete!\n");
return(-1);
out2:
remove_proc_entry("fbaodv/routes",NULL);
remove_proc_entry("fbaodv/timers",NULL);
remove_proc_entry("fbaodv/neigh",NULL);
remove_proc_entry("fbaodv/reliability", NULL);
remove_proc_entry("fbaodv/sources", NULL);
remove_proc_entry("fbaodv/node_load", NULL);
remove_proc_entry("fbaodv/gateways", NULL);
remove_proc_entry("fbaodv/user_gateway", NULL);
remove_proc_entry("fbaodv/gateways_assigned", NULL);
remove_proc_entry("fbaodv/bw_estimation", NULL);
remove_proc_entry("fbaodv/tos_available", NULL);
remove_proc_entry("fbaodv", NULL);
printk("\n\nShutting down...\n");
printk("Unregistered NetFilter hooks...\n");
close_sock();
printk("Closed sockets...\n");
del_timer(&aodv_timer);
printk("Removed timer...\n");
kill_aodv();
printk("Killed router thread...\n");
cleanup_task_queue();
cleanup_packet_queue();
printk("Cleaned up AODV Queues...\n");
cleanup_neigh_routes();
cleanup_aodv_route_table();
flush_src_list();
printk("Cleaned up Route and Rule Tables...\n");
//Eliminando listas
delete_aodv_neigh_list();
delete_aodv_neigh_list_2h();
delete_gw_list();
flush_flow_type_table();
printk("Cleaned up Lists...\n");
printk("Shutdown complete!\n");
return(-1);
}
