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[netdevice] Allow the hardware and link-layer addresses to differ in size

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IPoIB has a 20-byte link-layer address, of which only eight bytes
represent anything relating to a "hardware address".

The PXE and EFI SNP APIs expect the permanent address to be the same
size as the link-layer address, so fill in the "permanent address"
field with the initial link layer address (as generated by
register_netdev() based upon the real hardware address).
This commit is contained in:
Michael Brown
2009-08-11 23:40:27 +01:00
parent 37a0aab4ff
commit 4eab5bc8ca
8 changed files with 66 additions and 17 deletions
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9
src/interface/efi/efi_snp.c
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@@ -119,10 +119,11 @@ static EFI_GUID efi_pci_io_protocol_guid
static void efi_snp_set_mode ( struct efi_snp_device *snpdev ) {
struct net_device *netdev = snpdev->netdev;
EFI_SIMPLE_NETWORK_MODE *mode = &snpdev->mode;
unsigned int ll_addr_len = netdev->ll_protocol->ll_addr_len;
struct ll_protocol *ll_protocol = netdev->ll_protocol;
unsigned int ll_addr_len = ll_protocol->ll_addr_len;
mode->HwAddressSize = ll_addr_len;
mode->MediaHeaderSize = netdev->ll_protocol->ll_header_len;
mode->MediaHeaderSize = ll_protocol->ll_header_len;
mode->MaxPacketSize = netdev->max_pkt_len;
mode->ReceiveFilterMask = ( EFI_SIMPLE_NETWORK_RECEIVE_UNICAST |
EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST |
@@ -130,8 +131,8 @@ static void efi_snp_set_mode ( struct efi_snp_device *snpdev ) {
assert ( ll_addr_len <= sizeof ( mode->CurrentAddress ) );
memcpy ( &mode->CurrentAddress, netdev->ll_addr, ll_addr_len );
memcpy ( &mode->BroadcastAddress, netdev->ll_broadcast, ll_addr_len );
memcpy ( &mode->PermanentAddress, netdev->hw_addr, ll_addr_len );
mode->IfType = ntohs ( netdev->ll_protocol->ll_proto );
ll_protocol->init_addr ( netdev->hw_addr, &mode->PermanentAddress );
mode->IfType = ntohs ( ll_protocol->ll_proto );
mode->MacAddressChangeable = TRUE;
mode->MediaPresentSupported = TRUE;
mode->MediaPresent = ( netdev_link_ok ( netdev ) ? TRUE : FALSE );