Searching for Linux Gso Support information? Find all needed info by using official links provided below.
https://lwn.net/Articles/188489/
Jun 20, 2006 · Hi: This series adds Generic Segmentation Offload (GSO) support to the Linux networking stack. Many people have observed that a lot of the savings in TSO come from traversing the networking stack once rather than many times for each super-packet. These savings can be obtained without hardware support.
https://www.ibm.com/support/knowledgecenter/en/linuxonibm/com.ibm.linux.z.lgdd/lgdd_t_qeth_wrk_packing.html
To support TCP segmentation offload (TSO), a network device must support outbound (TX) checksumming and scatter gather. For this reason, you must turn on scatter gather and outbound checksumming prior to configuring TSO. All three options can be turned on or off with a single ethtool command of the form:
https://access.redhat.com/solutions/781503
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https://serverfault.com/questions/230804/how-gro-generic-receive-offload-works-on-more-advanced-nics
I've found this article amazingly useful: JLS2009: Generic receive offload.It gives a great overview of how GRO works. Some adapters might do it, but the associated drivers have to be aware of it as well.
http://vger.kernel.org/netconf2017_files/rx_hardening_and_udp_gso.pdf
GSO: write large packet of N segments (including L7 headers, evenly spaced) proof-of-concept IP_PMTUDISC_INTERFACE builds > mtu do not fragment locally do not set DF bit set gso_{type, size} ... BQL support tso_segment on dequeue to send out fewer MSS
https://github.com/torvalds/linux/commit/90017accff61ae89283ad9a51f9ac46ca01633fb
Contribute to torvalds/linux development by creating an account on GitHub. SCTP has this pecualiarity that its packets cannot be just segmented to (P)MTU. Its chunks must be contained in IP segments, padding respected. ... Add GSO support
https://en.wikipedia.org/wiki/Large_segment_offload
The NIC then splits this buffer into separate packets. The technique is also called TCP segmentation offload (TSO) when applied to TCP, or generic segmentation offload (GSO). A similar concept to large segment offload for ingress traffic is large receive offload (LRO). LSO and LRO are independent and use of one does not require the use of the ...
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