2014-05-09 16:50, Olivier Matz: > Implement TSO (TCP segmentation offload) in ixgbe driver. To delegate > the TCP segmentation to the hardware, the user has to: > > - set the PKT_TX_TCP_SEG flag in mbuf->ol_flags (this flag implies > PKT_TX_IP_CKSUM and PKT_TX_TCP_CKSUM) > - fill the mbuf->hw_offload information: l2_len, l3_len, l4_len, mss > - calculate the pseudo header checksum and set it in the TCP header, > as required when doing hardware TCP checksum offload > - set the IP checksum to 0 > > This approach seems generic enough to be used for other hw/drivers > in the future.
Minor note: it would be nice to separate ixgbe support in another patch. Thanks -- Thomas
