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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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10
src/arch/i386/interface/pxe/pxe_undi.c
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@@ -412,6 +412,7 @@ PXENV_EXIT_t pxenv_undi_get_information ( struct s_PXENV_UNDI_GET_INFORMATION
*undi_get_information ) {
struct device *dev = pxe_netdev->dev;
struct ll_protocol *ll_protocol = pxe_netdev->ll_protocol;
size_t ll_addr_len = ll_protocol->ll_addr_len;
DBG ( "PXENV_UNDI_GET_INFORMATION" );
@@ -420,13 +421,14 @@ PXENV_EXIT_t pxenv_undi_get_information ( struct s_PXENV_UNDI_GET_INFORMATION
/* Cheat: assume all cards can cope with this */
undi_get_information->MaxTranUnit = ETH_MAX_MTU;
undi_get_information->HwType = ntohs ( ll_protocol->ll_proto );
undi_get_information->HwAddrLen = ll_protocol->ll_addr_len;
undi_get_information->HwAddrLen = ll_addr_len;
assert ( ll_addr_len <=
sizeof ( undi_get_information->CurrentNodeAddress ) );
memcpy ( &undi_get_information->CurrentNodeAddress,
pxe_netdev->ll_addr,
sizeof ( undi_get_information->CurrentNodeAddress ) );
memcpy ( &undi_get_information->PermNodeAddress,
pxe_netdev->hw_addr,
sizeof ( undi_get_information->PermNodeAddress ) );
ll_protocol->init_addr ( pxe_netdev->hw_addr,
&undi_get_information->PermNodeAddress );
undi_get_information->ROMAddress = 0;
/* nic.rom_info->rom_segment; */
/* We only provide the ability to receive or transmit a single