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NetBSD 6.1.5 - man page for ether_delmulti (netbsd section 9)

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ETHERSUBR(9)			  BSD Kernel Developer's Manual 		     ETHERSUBR(9)

     ethersubr, ether_ifattach, ether_addmulti, ether_delmulti, ETHER_FIRST_MULTI,
     ETHER_NEXT_MULTI, ETHER_IS_MULTICAST, fddi_ifattach, fddi_addmulti, fddi_delmulti -- Ether-
     net and FDDI driver support functions and macros

     #include <net/if_ether.h>

     ether_ifattach(struct ifnet *ifp, uint8_t *lla);

     ether_addmulti(const struct sockaddr *sa, struct ethercom *ec);

     ether_delmulti(const struct sockaddr *sa, struct ethercom *ec);

     ETHER_FIRST_MULTI(struct ether_multistep step, struct ethercom *ec,
	 struct ether_multi *enm);

     ETHER_NEXT_MULTI(struct ether_multistep step, struct ether_multi *enm);

     ETHER_IS_MULTICAST(uint8_t *addr);

     #include <net/if_fddi.h>

     fddi_ifattach(struct ifnet *ifp, uint8_t *lla);

     fddi_addmulti(const struct sockaddr *sa, struct ethercom *ec);

     fddi_delmulti(const struct sockaddr *sa, struct ethercom *ec);

     The ethersubr functions provide the interface between the ethersubr module and the network
     drivers which need Ethernet support.  Such drivers must request the ether attribute in their
     files declaration and call the appropriate functions as specified below.

     FDDI drivers must request the "fddi" attribute in their "files" declaration and call the
     functions tagged with "fddi_" or "FDDI_" instead, where different.  Some macros are shared.

     Note that you also need the arp(9) stuff to support IPv4 on your hardware.

     ether_ifattach(ifp, lla)
	      Perform the device-independent, but Ethernet-specific initialization of the inter-
	      face pointed to by ifp.

	      Among other duties, this function creates a record for the link level address in
	      the interface's address list and records the link level address pointed to by lla

	      This function must be called from the driver's attach function.

     fddi_ifattach(ifp, lla)
	      Corresponding function for FDDI devices.

     ether_addmulti(sa, ec)

     ether_delmulti(sa, ec)
	      Add (ether_addmulti()) or delete (ether_delmulti()) the address described by the sa
	      pointer to the Ethernet multicast list belonging to ec.

	      These functions must be called from the driver's ioctl function to handle
	      SIOCADDMULTI and SIOCDELMULTI requests.  If these return ENETRESET, the hardware
	      multicast filter must be reinitialized.

	      These functions accept AF_UNSPEC addresses, which are interpreted as Ethernet
	      addresses, or AF_INET addresses.	In the latter case, INADDR_ANY is mapped to a
	      range describing all the Ethernet address space reserved for IPv4 multicast

	      The ether_addmulti() returns EAFNOSUPPORT if an unsupported address family is spec-
	      ified, EINVAL if a non-multicast address is specified, or ENETRESET if the multi-
	      cast list really changed and the driver should synchronize its hardware filter with

	      The ether_delmulti() returns, in addition to the above errors, ENXIO if the speci-
	      fied address can't be found in the list of multicast addresses.

     fddi_addmulti(sa, ec)

     fddi_delmulti(sa, ec)
	      Corresponding functions for FDDI devices.

     ETHER_NEXT_MULTI(step, enm)
	      A macro to step through all of the ether_multi records, one at a time.  The current
	      position is remembered in step, which the caller must provide.

     ETHER_FIRST_MULTI(step, ec, enm)
	      A macro that must be called to initialize step and get the first record.	Both
	      macros return a NULL enm when there are no remaining records.

	      A macro that returns 1, if addr points to an Ethernet/FDDI multicast (or broadcast)


     Rewritten to attach to the new ARP system in NetBSD 1.3.

     UCB CSRG (original implementation)

     Ignatios Souvatzis (support for new ARP system)

     Ethernet support functions are declared in <net/if_ether.h> and defined (if not implemented
     as macro) in sys/net/if_ethersubr.c.

     FDDI support functions are declared in <net/if_fddi.h> and defined (if not implemented as
     macro) in sys/net/if_fddisubr.c.

BSD					  March 3, 1997 				      BSD
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