diff options
Diffstat (limited to 'sys/net/if_arp.h')
| -rw-r--r-- | sys/net/if_arp.h | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/sys/net/if_arp.h b/sys/net/if_arp.h index 71f078b529954..9aa63c6266410 100644 --- a/sys/net/if_arp.h +++ b/sys/net/if_arp.h @@ -99,21 +99,16 @@ struct arpreq { #ifdef _KERNEL /* * Structure shared between the ethernet driver modules and - * the address resolution code. For example, each ec_softc or il_softc - * begins with this structure. - * The code is written so that each *_softc _must_ begin with a - * struct arpcom, which in turn _must_ begin with a struct ifnet. + * the address resolution code. */ struct arpcom { - /* - * The ifnet struct _must_ be at the head of this structure. - */ - struct ifnet ac_if; /* network-visible interface */ - u_char ac_enaddr[6]; /* ethernet hardware address */ - int now_unused; /* XXX was length of ac_multiaddrs list */ + struct ifnet *ac_ifp; /* network-visible interface */ + u_char _ac_enaddr[6]; /* ethernet hardware address */ void *ac_netgraph; /* ng_ether(4) netgraph node info */ }; -#define IFP2AC(ifp) ((struct arpcom *)(ifp)) +#define IFP2AC(ifp) ((struct arpcom *)(ifp->if_l2com)) +#define IFP2ENADDR(ifp) (IFP2AC(ifp)->_ac_enaddr) +#define AC2IFP(ac) ((ac)->ac_ifp) #endif |