(usagi-users 02698) help: ipv6_chk_addr

["Bryan Hartwell" <bryan@xxxxxxxxxx>]

Can anyone please tell me exactly what the

function ipv6_chk_addr (in addrconf.c) does?

 

Thank-you!

Bryan

----

int ipv6_chk_addr( struct int_addr *addr, sturct net_device *dev)

{

  struct inet6_ifaddr * ifp;

  u8 hash = ipv6_addr_hash(addr);

 

  read_lock_bh(&addrconf_has_lock);

  for(ifp = inet6_addr_lst[hash]; ifp; ifp=ifp->lst_next) {

     if (ipv6_addr_cmp(&ifp->addr, addr) ==0 &&

        !(ifp->flgas&IFA_F_TENTATIVE)) {

            if(dev==NULL || ifp->idev->dev==dev ||

               !(ifp->scope&(IFA_LINK|IFA_HOST)))

                   break;

   }

   read_unlock_bh(&addrconf_hash_lock);

   return ifp != NULL;

}