Re: [Qemu-devel] [Qemu-arm] [PATCH] cadence_gem: fix buffer overflow

[P J P]

+-- On Thu, 14 Jan 2016, Peter Crosthwaite wrote --+
| I guess QEMU needs the whole packet before handing off to the net layer and 
| the assumption is that the packet is always within 2048. The easiest 
| solution is to realloc the buffer as it goes with the increasing sizes.

  Yes, I was considering increasing buffer size with view of the jumbo 
packets. In gem_transmit(), 'tx_desc_get_length' returns length masked by 
DESC_1_LENGTH(=0x1FFF=8191) bytes. But thought dynamic allocation might lead 
to excessive buffer allocation, not sure how constrained the Xilinx platform 
is for memory.

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 - P J P
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