Covert bge_newbuf_std to use bus_dmamap_load_mbuf_sg(9). Note, bge_newbuf_std still has a bug for handling dma map load failure under high network load. Just reusing mbuf is not enough as driver already unloaded the dma map of the mbuf. Graceful recovery needs more work. Ideally we can just update dma address part of a Rx descriptor because the controller never overwrite the Rx descriptor. This requires some Rx initialization code changes and it would be done later after fixing other incorrect bus_dma(9) usages.
Covert bge_newbuf_std to use bus_dmamap_load_mbuf_sg(9). Note,
bge_newbuf_std still has a bug for handling dma map load failure
under high network load. Just reusing mbuf is not enough as driver
already unloaded the dma map of the mbuf. Graceful recovery needs
more work.
Ideally we can just update dma address part of a Rx descriptor
because the controller never overwrite the Rx descriptor. This
requires some Rx initialization code changes and it would be done
later after fixing other incorrect bus_dma(9) usages.

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase