On Tuesday 14 July 2009 04:08:35 Piotr Ziecik wrote: > When packets arrive on the interface that are larger than the buffer > being passed to U-Boot from a standalone application, then the > eth_receive() returns -1 and leaves the packet saved. The next call to > eth_receive() will find that same packet and can fail for the exact same > reason. A typical scenario is the loader doing ARP with a buffer of 66 > bytes. The end result is that the ARP will fail and the loader panics. > > This patch fixes above problem by allowing partial packet read.
seems like it could easily introduce incorrect behavior in existing applications. the code also sounds a bit risky ... your change would mean people could read the leading part, but the rest is lost ? probably better to add a new function with explicit semantics -- eth_receive_partial() or something. -mike
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