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[netdevice] Separate out the concept of hardware and link-layer addresses

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The hardware address is an intrinsic property of the hardware, while
the link-layer address can be changed at runtime.  This separation is
exposed via APIs such as PXE and EFI, but is currently elided by gPXE.

Expose the hardware and link-layer addresses as separate properties
within a net device.  Drivers should now fill in hw_addr, which will
be used to initialise ll_addr at the time of calling
register_netdev().
This commit is contained in:
Michael Brown
2009-08-11 20:19:53 +01:00
parent b3db99a38d
commit 37a0aab4ff
22 changed files with 71 additions and 82 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/arch/i386/drivers/net/undinet.c
+2 -2
View File
@@ -689,7 +689,7 @@ int undinet_probe ( struct undi_device *undi ) {
if ( ( rc = undinet_call ( undinic, PXENV_UNDI_GET_INFORMATION,
&undi_info, sizeof ( undi_info ) ) ) != 0 )
goto err_undi_get_information;
memcpy ( netdev->ll_addr, undi_info.PermNodeAddress, ETH_ALEN );
memcpy ( netdev->hw_addr, undi_info.PermNodeAddress, ETH_ALEN );
undinic->irq = undi_info.IntNumber;
if ( undinic->irq > IRQ_MAX ) {
DBGC ( undinic, "UNDINIC %p invalid IRQ %d\n",
@@ -697,7 +697,7 @@ int undinet_probe ( struct undi_device *undi ) {
goto err_bad_irq;
}
DBGC ( undinic, "UNDINIC %p is %s on IRQ %d\n",
undinic, eth_ntoa ( netdev->ll_addr ), undinic->irq );
undinic, eth_ntoa ( netdev->hw_addr ), undinic->irq );
/* Get interface information */
memset ( &undi_iface, 0, sizeof ( undi_iface ) );
src/arch/i386/interface/pxe/pxe_undi.c
+1 -5
View File
@@ -421,15 +421,11 @@ PXENV_EXIT_t pxenv_undi_get_information ( struct s_PXENV_UNDI_GET_INFORMATION
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;
/* Cheat: assume card is always configured with its permanent
* node address. This is a valid assumption within Etherboot
* at the time of writing.
*/
memcpy ( &undi_get_information->CurrentNodeAddress,
pxe_netdev->ll_addr,
sizeof ( undi_get_information->CurrentNodeAddress ) );
memcpy ( &undi_get_information->PermNodeAddress,
pxe_netdev->ll_addr,
pxe_netdev->hw_addr,
sizeof ( undi_get_information->PermNodeAddress ) );
undi_get_information->ROMAddress = 0;
/* nic.rom_info->rom_segment; */