The length of a MAC address is 6. We have to set this length in the EFI_SIMPLE_NETWORK_MODE structure of the EFI_SIMPLE_NETWORK_PROTOCOL.

Without this patch iPXE fails to initialize the network with error message SNP MAC(001e0633bcbf,0x0) has invalid hardware address length 0

Signed-off-by: Heinrich Schuchardt xypron.glpk@gmx.de --- lib/efi_loader/efi_net.c | 1 + 1 file changed, 1 insertion(+)

diff --git a/lib/efi_loader/efi_net.c b/lib/efi_loader/efi_net.c index bc3b84db48..a274eedd38 100644 --- a/lib/efi_loader/efi_net.c +++ b/lib/efi_loader/efi_net.c @@ -263,6 +263,7 @@ int efi_net_register(void **handle) netobj->dp_end = dp_end; memcpy(netobj->dp_mac.mac.addr, eth_get_ethaddr(), 6); memcpy(netobj->net_mode.current_address.mac_addr, eth_get_ethaddr(), 6); + netobj->net_mode.hwaddr_size = 6; netobj->net_mode.max_packet_size = PKTSIZE;

netobj->pxe.mode = &netobj->pxe_mode;