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[netdevice] Make ll_broadcast per-netdevice rather than per-ll_protocol

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IPoIB has a link-layer broadcast address that varies according to the
partition key.  We currently go through several contortions to pretend
that the link-layer address is a fixed constant; by making the
broadcast address a property of the network device rather than the
link-layer protocol it will be possible to simplify IPoIB's broadcast
handling.
This commit is contained in:
Michael Brown
2009-07-17 22:48:31 +01:00
parent 54ec3673cc
commit d09290161e
12 changed files with 49 additions and 58 deletions
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19
src/net/ethernet.c
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@@ -145,9 +145,26 @@ struct ll_protocol ethernet_protocol __ll_protocol = {
.ll_proto = htons ( ARPHRD_ETHER ),
.ll_addr_len = ETH_ALEN,
.ll_header_len = ETH_HLEN,
.ll_broadcast = eth_broadcast,
.push = eth_push,
.pull = eth_pull,
.ntoa = eth_ntoa,
.mc_hash = eth_mc_hash,
};
/**
* Allocate Ethernet device
*
* @v priv_size Size of driver private data
* @ret netdev Network device, or NULL
*/
struct net_device * alloc_etherdev ( size_t priv_size ) {
struct net_device *netdev;
netdev = alloc_netdev ( priv_size );
if ( netdev ) {
netdev->ll_protocol = &ethernet_protocol;
netdev->ll_broadcast = eth_broadcast;
netdev->max_pkt_len = ETH_FRAME_LEN;
}
return netdev;
}