diff options
Diffstat (limited to 'sys/net/if_ethersubr.c')
| -rw-r--r-- | sys/net/if_ethersubr.c | 104 |
1 files changed, 98 insertions, 6 deletions
diff --git a/sys/net/if_ethersubr.c b/sys/net/if_ethersubr.c index e313527..97903ef 100644 --- a/sys/net/if_ethersubr.c +++ b/sys/net/if_ethersubr.c @@ -31,7 +31,7 @@ * SUCH DAMAGE. * * @(#)if_ethersubr.c 8.1 (Berkeley) 6/10/93 - * $Id: if_ethersubr.c,v 1.14 1996/01/24 21:09:06 phk Exp $ + * $Id: if_ethersubr.c,v 1.15 1996/04/07 17:39:03 bde Exp $ */ #include <sys/param.h> @@ -76,15 +76,27 @@ #include <netiso/iso_snpac.h> #endif -#ifdef LLC +/*#ifdef LLC #include <netccitt/dll.h> #include <netccitt/llc_var.h> -#endif +#endif*/ #if defined(LLC) && defined(CCITT) extern struct ifqueue pkintrq; #endif +#ifdef NETATALK +#include <netatalk/at.h> +#include <netatalk/at_var.h> +#include <netatalk/at_extern.h> + +#define llc_snap_org_code llc_un.type_snap.org_code +#define llc_snap_ether_type llc_un.type_snap.ether_type + +extern u_char at_org_code[ 3 ]; +extern u_char aarp_org_code[ 3 ]; +#endif NETATALK + u_char etherbroadcastaddr[6] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; #define senderr(e) { error = (e); goto bad;} @@ -111,6 +123,9 @@ ether_output(ifp, m0, dst, rt0) register struct ether_header *eh; int off, len = m->m_pkthdr.len; struct arpcom *ac = (struct arpcom *)ifp; +#ifdef NETATALK + struct at_ifaddr *aa; +#endif NETATALK if ((ifp->if_flags & (IFF_UP|IFF_RUNNING)) != (IFF_UP|IFF_RUNNING)) senderr(ENETDOWN); @@ -165,6 +180,44 @@ ether_output(ifp, m0, dst, rt0) mcopy = m_copy(m, 0, (int)M_COPYALL); break; #endif +#ifdef NETATALK + case AF_APPLETALK: + if (!aarpresolve(ac, m, (struct sockaddr_at *)dst, edst)) { +#ifdef NETATALKDEBUG + extern char *prsockaddr(struct sockaddr *); + printf("aarpresolv: failed for %s\n", prsockaddr(dst)); +#endif NETATALKDEBUG + return (0); + } + /* + * ifaddr is the first thing in at_ifaddr + */ + if ((aa = (struct at_ifaddr *)at_ifawithnet( + (struct sockaddr_at *)dst, ifp->if_addrlist)) + == 0) + goto bad; + + /* + * In the phase 2 case, we need to prepend an mbuf for the llc header. + * Since we must preserve the value of m, which is passed to us by + * value, we m_copy() the first mbuf, and use it for our llc header. + */ + if ( aa->aa_flags & AFA_PHASE2 ) { + struct llc llc; + + M_PREPEND(m, sizeof(struct llc), M_WAIT); + len += sizeof(struct llc); + llc.llc_dsap = llc.llc_ssap = LLC_SNAP_LSAP; + llc.llc_control = LLC_UI; + bcopy(at_org_code, llc.llc_snap_org_code, sizeof(at_org_code)); + llc.llc_snap_ether_type = htons( ETHERTYPE_AT ); + bcopy(&llc, mtod(m, caddr_t), sizeof(struct llc)); + type = m->m_pkthdr.len; + } else { + type = ETHERTYPE_AT; + } + break; +#endif NETATALK #ifdef NS case AF_NS: type = ETHERTYPE_NS; @@ -371,12 +424,51 @@ ether_input(ifp, eh, m) inq = &nsintrq; break; #endif +#ifdef NETATALK + case ETHERTYPE_AT: + schednetisr(NETISR_ATALK); + inq = &atintrq1; + break; + case ETHERTYPE_AARP: + /* probably this should be done with a NETISR as well */ + aarpinput((struct arpcom *)ifp, m); /* XXX */ + return; +#endif NETATALK default: -#if defined (ISO) || defined (LLC) +#if defined (ISO) || defined (LLC) || defined(NETATALK) if (ether_type > ETHERMTU) goto dropanyway; l = mtod(m, struct llc *); switch (l->llc_dsap) { +#ifdef NETATALK + case LLC_SNAP_LSAP: + switch (l->llc_control) { + case LLC_UI: + if (l->llc_ssap != LLC_SNAP_LSAP) + goto dropanyway; + + if (Bcmp(&(l->llc_snap_org_code)[0], at_org_code, + sizeof(at_org_code)) == 0 && + ntohs(l->llc_snap_ether_type) == ETHERTYPE_AT) { + inq = &atintrq2; + m_adj( m, sizeof( struct llc )); + schednetisr(NETISR_ATALK); + break; + } + + if (Bcmp(&(l->llc_snap_org_code)[0], aarp_org_code, + sizeof(aarp_org_code)) == 0 && + ntohs(l->llc_snap_ether_type) == ETHERTYPE_AARP) { + m_adj( m, sizeof( struct llc )); + aarpinput((struct arpcom *)ifp, m); /* XXX */ + return; + } + + default: + goto dropanyway; + } + break; +#endif NETATALK #ifdef ISO case LLC_ISO_LSAP: switch (l->llc_control) { @@ -469,10 +561,10 @@ ether_input(ifp, eh, m) m_freem(m); return; } -#else /* ISO || LLC */ +#else /* ISO || LLC || NETATALK */ m_freem(m); return; -#endif /* ISO || LLC */ +#endif /* ISO || LLC || NETATALK */ } s = splimp(); |
