diff options
Diffstat (limited to 'include/net.h')
| -rw-r--r-- | include/net.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/include/net.h b/include/net.h index b9c13f2..d09bec9 100644 --- a/include/net.h +++ b/include/net.h @@ -119,7 +119,9 @@ enum eth_recv_flags { * mcast: Join or leave a multicast group (for TFTP) - optional * write_hwaddr: Write a MAC address to the hardware (used to pass it to Linux * on some platforms like ARM). This function expects the - * eth_pdata::enetaddr field to be populated - optional + * eth_pdata::enetaddr field to be populated. The method can + * return -ENOSYS to indicate that this is not implemented for + this hardware - optional. * read_rom_hwaddr: Some devices have a backup of the MAC address stored in a * ROM on the board. This is how the driver should expose it * to the network stack. This function should fill in the |