Patch #9 Performance - improve the tx dma failure path, similar to a change done in igb long ago.
Patch #9 Performance - improve the tx dma failure
path, similar to a change done in igb long ago.

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