bsd/net/if_bridge.c

1845 	/* Adjust packet back to original */
1985 bridge_proto_input(ifnet_t ifp, protocol_family_t protocol, mbuf_t packet,
1988 #pragma unused(protocol, packet, header)
1990 	printf("%s: unexpected packet from %s\n", __func__,
3442  *	Enqueue a packet on a bridge member interface.
3475 		 * then attach a packet tag that holds it.
3517  *	Receive a queued packet from dummynet and pass it on to the output
3530 	 * The packet didnt originate from a member interface. This should only
3590 	 * If the packet is an 802.1X ethertype, then only send on the
3600 	 * go ahead and send out that interface.  Otherwise, the packet
3609 	 * If the packet is a multicast, or we don't know a better way to
3872 	 * If the packet is unicast, destined for someone on
3899 	 * OR this is a unicast packet, push it through the bpf(4) machinery.
3903 	 * drop the packet, or possibly modify it, making it difficult to debug
3916 	/* run the packet filter */
4000  *	Filter input from a member interface.  Queue the packet for
4037 	 * set on this interface, discard the packet once we push it through
4039 	 * packet counters associated with this interface.
4108 		 * Make a deep copy of the packet and enqueue the copy
4109 		 * for bridge processing; return the original packet for
4139 			/* mark packet as arriving on the bridge */
4164 		/* Return the original packet for local processing. */
4231 	/* We just received a packet that we sent out. */		\
4242 	 * If the packet is for us, set the packets source as the
4243 	 * bridge, and return the packet back to ether_input for
4249 		/* Mark the packet as arriving on the bridge interface */
4274 			printf("%s: %s packet for bridge\n", __func__,
4284 	 * if the destination of the packet is for the MAC address of
4290 	 * then it will consume the packet
4299 			printf("%s: not forwarding packet bound for member "
4329  *	the bridge, except for the one on which the packet
4437  *	Duplicate a packet out one or more interfaces that are in span mode,
5119  * question.) If *bifp or *ifp are NULL then packet filtering is skipped for
5235 			goto ipfwpass; /* packet already partially processed */
5258 			 * packet will return to us via bridge_dummynet().
5273 	 * Run the packet through pfil
5314 		/* check if we need to fragment the packet */
5473 	/* Retrieve the packet length. */
5487 	 * Drop packet if shorter than we expect.