Stephen Hemminger wrote:
Maybe TIPC can't handle fragmented receive buffers. The sky2 driver generates skb's with header and multiple pages if MTU is big enough. For 9K MTU that would be 1K of data + 2 4K pages. The protocols are supposed to be smart enough to handle this, but TIPC is rarely used.
We already had to modify tipc to handle fragmented receive buffers when we had memory allocation errors on the e1000 and moved to fragmented skbs in that driver.
Our version of the e1000 passes 200 bytes in the initial chunk, and the rest in fragments. tipc currently handles that without any difficulty.
I was just checking more to see if there were any known issues in this area that have been fixed in more recent driver versions.
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