diff options
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/net/if_atm.h | 10 | ||||
| -rw-r--r-- | sys/net/if_atmsubr.c | 68 |
2 files changed, 48 insertions, 30 deletions
diff --git a/sys/net/if_atm.h b/sys/net/if_atm.h index 7cac9f22004..e4115f34504 100644 --- a/sys/net/if_atm.h +++ b/sys/net/if_atm.h @@ -1,4 +1,4 @@ -/* $OpenBSD: if_atm.h,v 1.3 1996/06/26 04:21:31 chuck Exp $ */ +/* $OpenBSD: if_atm.h,v 1.4 1996/06/27 04:33:10 chuck Exp $ */ /* * @@ -89,7 +89,9 @@ struct atmllc { } #ifdef _KERNEL -void atm_ifattach __P((struct ifnet *)); -int atm_output __P((struct ifnet *, struct mbuf *, struct sockaddr *, - struct rtentry *)); +void atm_ifattach __P((struct ifnet *)); +void atm_input __P((struct ifnet *, struct atm_pseudohdr *, + struct mbuf *, struct socket *)); +int atm_output __P((struct ifnet *, struct mbuf *, struct sockaddr *, + struct rtentry *)); #endif diff --git a/sys/net/if_atmsubr.c b/sys/net/if_atmsubr.c index c460ef14287..d8e95763558 100644 --- a/sys/net/if_atmsubr.c +++ b/sys/net/if_atmsubr.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if_atmsubr.c,v 1.3 1996/06/26 04:21:32 chuck Exp $ */ +/* $OpenBSD: if_atmsubr.c,v 1.4 1996/06/27 04:33:10 chuck Exp $ */ /* * @@ -61,6 +61,9 @@ #ifdef INET #include <netinet/in_var.h> #endif +#ifdef NATM +#include <netnatm/natm.h> +#endif #define senderr(e) { error = (e); goto bad;} @@ -198,10 +201,11 @@ bad: * the packet is in the mbuf chain m. */ void -atm_input(ifp, ah, m) +atm_input(ifp, ah, m, so) struct ifnet *ifp; register struct atm_pseudohdr *ah; struct mbuf *m; + struct socket *so; { register struct ifqueue *inq; u_int16_t etype = ETHERTYPE_IP; /* default */ @@ -214,34 +218,46 @@ atm_input(ifp, ah, m) ifp->if_lastchange = time; ifp->if_ibytes += m->m_pkthdr.len; - /* - * handle LLC/SNAP header, if present - */ - if (ATM_PH_FLAGS(ah) & ATM_PH_LLCSNAP) { - struct atmllc *alc; - if (m->m_len < sizeof(*alc) && (m = m_pullup(m, sizeof(*alc))) == 0) - return; /* failed */ - alc = mtod(m, struct atmllc *); - if (bcmp(alc, ATMLLC_HDR, 6)) { - printf("%s: recv'd invalid LLC/SNAP frame [vp=%d,vc=%d]\n", - ifp->if_xname, ATM_PH_VPI(ah), ATM_PH_VCI(ah)); - m_freem(m); - return; + if (so) { +#ifdef NATM + schednetisr(NETISR_NATM); + inq = &natmintrq; + m->m_pkthdr.rcvif = (struct ifnet *) so; /* XXX: overload */ +#else + printf("atm_input: NATM detected but not configured in kernel\n"); + m_freem(m); + return; +#endif + } else { + /* + * handle LLC/SNAP header, if present + */ + if (ATM_PH_FLAGS(ah) & ATM_PH_LLCSNAP) { + struct atmllc *alc; + if (m->m_len < sizeof(*alc) && (m = m_pullup(m, sizeof(*alc))) == 0) + return; /* failed */ + alc = mtod(m, struct atmllc *); + if (bcmp(alc, ATMLLC_HDR, 6)) { + printf("%s: recv'd invalid LLC/SNAP frame [vp=%d,vc=%d]\n", + ifp->if_xname, ATM_PH_VPI(ah), ATM_PH_VCI(ah)); + m_freem(m); + return; + } + etype = ATM_LLC_TYPE(alc); + m_adj(m, sizeof(*alc)); } - etype = ATM_LLC_TYPE(alc); - m_adj(m, sizeof(*alc)); - } - switch (etype) { + switch (etype) { #ifdef INET - case ETHERTYPE_IP: - schednetisr(NETISR_IP); - inq = &ipintrq; - break; + case ETHERTYPE_IP: + schednetisr(NETISR_IP); + inq = &ipintrq; + break; #endif - default: - m_freem(m); - return; + default: + m_freem(m); + return; + } } s = splimp(); |