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[netdevice] Allow link layer to report broadcast/multicast packets via pull()

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Allow the link layer to directly report whether or not a packet is
multicast or broadcast at the time of calling pull(), rather than
relying on heuristics to determine this at a later stage.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2011-07-15 18:48:46 +01:00
parent 69b7d57265
commit a667bf044a
17 changed files with 99 additions and 43 deletions
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4
src/net/arp.c
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@@ -186,6 +186,7 @@ static struct arp_net_protocol * arp_find_protocol ( uint16_t net_proto ) {
* @v iobuf I/O buffer
* @v netdev Network device
* @v ll_source Link-layer source address
* @v flags Packet flags
* @ret rc Return status code
*
* This handles ARP requests and responses as detailed in RFC826. The
@@ -196,7 +197,8 @@ static struct arp_net_protocol * arp_find_protocol ( uint16_t net_proto ) {
*/
static int arp_rx ( struct io_buffer *iobuf, struct net_device *netdev,
const void *ll_dest __unused,
const void *ll_source __unused ) {
const void *ll_source __unused,
unsigned int flags __unused ) {
struct arphdr *arphdr = iobuf->data;
struct arp_net_protocol *arp_net_protocol;
struct net_protocol *net_protocol;