diff options
Diffstat (limited to 'sys/net/if_var.h')
| -rw-r--r-- | sys/net/if_var.h | 28 |
1 files changed, 9 insertions, 19 deletions
diff --git a/sys/net/if_var.h b/sys/net/if_var.h index b189a70..4b0f421 100644 --- a/sys/net/if_var.h +++ b/sys/net/if_var.h @@ -109,27 +109,9 @@ struct ifqueue { * (Would like to call this struct ``if'', but C isn't PL/1.) */ -/* - * NB: For FreeBSD, it is assumed that each NIC driver's softc starts with - * one of these structures, typically held within an arpcom structure. - * - * struct <foo>_softc { - * struct arpcom { - * struct ifnet ac_if; - * ... - * } <arpcom> ; - * ... - * }; - * - * The assumption is used in a number of places, including many - * files in sys/net, device drivers, and sys/dev/mii.c:miibus_attach(). - * - * Unfortunately devices' softc are opaque, so we depend on this layout - * to locate the struct ifnet from the softc in the generic code. - * - */ struct ifnet { void *if_softc; /* pointer to driver state */ + void *if_l2com; /* pointer to protocol bits */ TAILQ_ENTRY(ifnet) if_link; /* all struct ifnets are chained */ char if_xname[IFNAMSIZ]; /* external name (name + unit) */ const char *if_dname; /* driver name */ @@ -628,11 +610,14 @@ extern int if_index; int if_addmulti(struct ifnet *, struct sockaddr *, struct ifmultiaddr **); int if_allmulti(struct ifnet *, int); +struct ifnet* if_alloc(u_char); void if_attach(struct ifnet *); int if_delmulti(struct ifnet *, struct sockaddr *); void if_detach(struct ifnet *); void if_purgeaddrs(struct ifnet *); void if_down(struct ifnet *); +void if_free(struct ifnet *); +void if_free_type(struct ifnet *, u_char); void if_initname(struct ifnet *, const char *, int); void if_link_state_change(struct ifnet *, int); int if_printf(struct ifnet *, const char *, ...) __printflike(2, 3); @@ -652,6 +637,11 @@ struct ifaddr *ifaof_ifpforaddr(struct sockaddr *, struct ifnet *); struct ifmultiaddr *ifmaof_ifpforaddr(struct sockaddr *, struct ifnet *); int if_simloop(struct ifnet *ifp, struct mbuf *m, int af, int hlen); +typedef void *if_com_alloc_t(u_char type, struct ifnet *ifp); +typedef void if_com_free_t(void *com, u_char type); +void if_register_com_alloc(u_char type, if_com_alloc_t *a, if_com_free_t *f); +void if_deregister_com_alloc(u_char type); + #define IF_LLADDR(ifp) \ LLADDR((struct sockaddr_dl *) ifaddr_byindex((ifp)->if_index)->ifa_addr) |
