date and time created 82/01/18 19:20:34 by linton

[unix-history] / usr / src / sys / net / raw_usrreq.c

/*      raw_usrreq.c    4.3     81/12/03        */

#include "../h/param.h"
#include "../h/mbuf.h"
#include "../h/socket.h"
#include "../h/socketvar.h"
#include "../h/mtpr.h"
#include "../net/in.h"
#include "../net/in_systm.h"
#include "../net/if.h"

/*
* Raw protocol interface.
*/
raw_input(m, pf, af)
       struct mbuf *m;
       struct sockproto pf;
       struct sockaddr af;
{
       struct mbuf *mh;
       int s;

       mh = m_get(0);
       if (mh == 0)
               goto drop;
       mh->m_next = m;
       mh->m_off = MMINOFF + sizeof (struct sockproto);
       *mtod(m, struct sockaddr *) = af;
       mh->m_off = MMINOFF;
       *mtod(m, struct sockproto *) = pf;
       mh->m_len = sizeof (struct sockproto) + sizeof (struct sockaddr);
       s = splimp();
       IF_ENQUEUE(&rawintrq, mh);
       splx(s);
       setrawintr();
       return;
drop:
       m_freem(m);
}

rawintr()
{
       int s;
       struct mbuf *m;

COUNT(RAWINTR);
next:
       s = splimp();
       IF_DEQUEUE(&rawintrq, m);
       splx(s);
       if (m == 0)
               return;
       /* ... */
       goto drop;
drop:
       m_freem(m);
       goto next;
}

/*ARGSUSED*/
raw_usrreq(so, req, m, addr)
       struct socket *so;
       int req;
       struct mbuf *m;
       caddr_t addr;
{

COUNT(RAW_USRREQ);

}