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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
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10
src/drivers/net/phantom/phantom.c
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@@ -1897,10 +1897,10 @@ static int phantom_init_cmdpeg ( struct phantom_nic *phantom ) {
* Read Phantom MAC address
*
* @v phanton_port Phantom NIC
* @v ll_addr Buffer to fill with MAC address
* @v hw_addr Buffer to fill with MAC address
*/
static void phantom_get_macaddr ( struct phantom_nic *phantom,
uint8_t *ll_addr ) {
uint8_t *hw_addr ) {
union {
uint8_t mac_addr[2][ETH_ALEN];
uint32_t dwords[3];
@@ -1917,11 +1917,11 @@ static void phantom_get_macaddr ( struct phantom_nic *phantom,
/* Copy out the relevant MAC address */
for ( i = 0 ; i < ETH_ALEN ; i++ ) {
ll_addr[ ETH_ALEN - i - 1 ] =
hw_addr[ ETH_ALEN - i - 1 ] =
u.mac_addr[ phantom->port & 1 ][i];
}
DBGC ( phantom, "Phantom %p MAC address is %s\n",
phantom, eth_ntoa ( ll_addr ) );
phantom, eth_ntoa ( hw_addr ) );
}
/**
@@ -2045,7 +2045,7 @@ static int phantom_probe ( struct pci_device *pci,
goto err_init_rcvpeg;
/* Read MAC addresses */
phantom_get_macaddr ( phantom, netdev->ll_addr );
phantom_get_macaddr ( phantom, netdev->hw_addr );
/* Skip if boot disabled on NIC */
if ( ( rc = phantom_check_boot_enable ( phantom ) ) != 0 )