/***************************************************************************
??????????????????????????aodv_dev.c??-??description
?????????????????????????????-------------------
????begin????????????????:?Thu?Aug?7?2003
????copyright????????????:?（C）?2003?by?Luke?Klein-Berndt
????email????????????????:?kleinb@nist.gov
?***************************************************************************/

#include?“aodv_dev.h“

//extern?char?*g_aodv_dev;
extern?char?g_aodv_dev[8];
extern?aodv_route?*g_my_route;
extern?u_int32_t?g_my_ip;

aodv_dev?*aodv_dev_list;

aodv_dev?*create_aodv_dev（struct?net_device?*dev?struct?in_ifaddr?*ifa）
{
????aodv_dev?*new_dev;
????aodv_route?*tmp_route;

????tmp_route?=?create_aodv_route（ifa->ifa_address）;

????tmp_route->ip?=?ifa->ifa_address;
????//tmp_route->netmask?=?calculate_netmask（0）;?//ifa->ifa_mask;
????tmp_route->self_route?=?1;
????tmp_route->seq?=?1;
????tmp_route->old_seq?=?0;
????tmp_route->rreq_id?=?1;
????tmp_route->metric?=?0;
????tmp_route->next_hop?=?tmp_route->ip;
????tmp_route->lifetime?=?-1;
????tmp_route->route_valid?=?1;
????tmp_route->route_seq_valid?=?1;
????tmp_route->dev?=?dev;


????if?（（new_dev?=?（aodv_dev?*）?kmalloc（sizeof（aodv_dev）?GFP_ATOMIC））?==?NULL）
????{
????????/*?Couldn‘t?create?a?new?entry?in?the?routing?table?*/
????????printk（KERN_WARNING?“AODV:?Not?enough?memory?to?create?Route?Table?Entry\n“）;
????????return?NULL;
????}


????new_dev->ip?=?tmp_route->ip;
????new_dev->netmask?=?ifa->ifa_mask;
????new_dev->route_entry?=?tmp_route;
????new_dev->dev?=?dev;
????new_dev->next=NULL;
????

????g_my_route?=?tmp_route;
????g_my_ip?=?g_my_route->ip;

????insert_kernel_route_entry（tmp_route->ip?tmp_route->next_hop?tmp_route->netmask?dev->name）;


????return?new_dev;

}

int?insert_aodv_dev（struct?net_device?*dev）
{
????aodv_dev?*new_dev;
????int?success=0?error=0;
????struct?in_ifaddr?*ifa;
????struct?in_device?*in_dev;
????char?netmask[16];


????read_lock（&in_dev->lock）;

????if?（（in_dev=__in_dev_get（dev））?==?NULL）
		{
			return?0;
		}

????read_lock（&in_dev->lock）;
????for_primary_ifa（in_dev）
		{
????????if?（（strcmp（g_aodv_dev““）!=0）?&&?（strncmp（dev->name?g_aodv_dev?IFNAMSIZ）?==?0））
????????{
				
??????????	if?（ifa==NULL）
???????????{
???????????	return?success;
????????????}

????????????new_dev?=?create_aodv_dev（dev?ifa）;
????????????strcpy（netmask?inet_ntoa（new_dev->netmask?&?new_dev->ip））;
????????????printk（KERN_INFO?“INTERFACE?LIST:?Adding?interface:?%s??IP:?%s?Subnet:?%s\n“?dev->name?inet_ntoa（ifa->ifa_address）?netmask）;




????????????strncpy（new_dev->name?dev->name?IFNAMSIZ）;

????????????new_dev->next?=?aodv_dev_list;
????????????aodv_dev_list?=?new_dev;
????????????error?=?sock_create（PF_INET?SOCK_DGRAM?0?&（new_dev->sock））;
????????????if?（error?????????????{
????????????????kfree（new_dev）;
????????????????read_unlock（&in_dev->lock）;
????????????????printk（KERN_ERR?“Error?during?creation?of?socket;?terminating?%d\n“?error）;
????????????????return?err

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

-----------?---------??----------?-----??----

???????????????158842????????????????????51