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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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5
src/drivers/net/ipoib.c
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@@ -224,11 +224,13 @@ static int ipoib_push ( struct net_device *netdev __unused,
* @ret ll_dest Link-layer destination address
* @ret ll_source Source link-layer address
* @ret net_proto Network-layer protocol, in network-byte order
* @ret flags Packet flags
* @ret rc Return status code
*/
static int ipoib_pull ( struct net_device *netdev,
struct io_buffer *iobuf, const void **ll_dest,
const void **ll_source, uint16_t *net_proto ) {
const void **ll_source, uint16_t *net_proto,
unsigned int *flags ) {
struct ipoib_device *ipoib = netdev->priv;
struct ipoib_hdr *ipoib_hdr = iobuf->data;
struct ipoib_peer *dest;
@@ -255,6 +257,7 @@ static int ipoib_pull ( struct net_device *netdev,
*ll_dest = ( dest ? &dest->mac : &ipoib->broadcast );
*ll_source = ( source ? &source->mac : &ipoib->broadcast );
*net_proto = ipoib_hdr->proto;
*flags = ( ( *ll_dest == &ipoib->broadcast ) ? LL_BROADCAST : 0 );
return 0;
}