MFC r263710, r273377, r273378, r273423 and r273455:- De-vnet hash sizes and hash masks.- Fix multiple issues related to arguments passed to SYSCTL macros.Sponsored by: Mellanox Technologies
MFC 261861check for defrag only when bus_dmamap_load_mbuf_sg() returns EFBIG. Comment inqla_hw_send is moot.