diff options
Diffstat (limited to 'doc/README.enetaddr')
| -rw-r--r-- | doc/README.enetaddr | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/doc/README.enetaddr b/doc/README.enetaddr index 2d8e24f5cb..1eaeaf9416 100644 --- a/doc/README.enetaddr +++ b/doc/README.enetaddr @@ -32,7 +32,11 @@ Correct flow of setting up the MAC address (summarized): 1. Read from hardware in initialize() function 2. Read from environment in net/eth.c after initialize() -3. Give priority to the value in the environment if a conflict +3. The environment variable will be compared to the driver initialized + struct eth_device->enetaddr. If they differ, a warning is printed, and the + environment variable will be used unchanged. + If the environment variable is not set, it will be initialized from + eth_device->enetaddr, and a warning will be printed. 4. Program the address into hardware if the following conditions are met: a) The relevant driver has a 'write_addr' function b) The user hasn't set an 'ethmacskip' environment variable |