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| author |   Luca Boccassi <luca.boccassi@gmail.com> | 2018-08-14 18:52:30 +0100 |
|---|---|---|
| committer | Luca Boccassi <luca.boccassi@gmail.com> | 2018-08-14 18:53:17 +0100 |
| commit | b63264c8342e6a1b6971c79550d2af2024b6a4de (patch) | |
| tree | 83114aac64286fe616506c0b3dfaec2ab86ef835 /doc/guides/prog_guide/generic_segmentation_offload_lib.rst | |
| parent | ca33590b6af032bff57d9cc70455660466a654b2 (diff) | |
New upstream version 18.08upstream/18.08
Change-Id: I32fdf5e5016556d9c0a6d88ddaf1fc468961790a
Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>
Diffstat (limited to 'doc/guides/prog_guide/generic_segmentation_offload_lib.rst')
| -rw-r--r-- | doc/guides/prog_guide/generic_segmentation_offload_lib.rst | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/doc/guides/prog_guide/generic_segmentation_offload_lib.rst b/doc/guides/prog_guide/generic_segmentation_offload_lib.rst index 9959f0d2..0cfc1198 100644 --- a/doc/guides/prog_guide/generic_segmentation_offload_lib.rst +++ b/doc/guides/prog_guide/generic_segmentation_offload_lib.rst @@ -43,6 +43,7 @@ Limitations #. Currently, the GSO library supports the following IPv4 packet types: - TCP + - UDP - VxLAN - GRE @@ -146,6 +147,15 @@ TCP/IPv4 GSO TCP/IPv4 GSO supports segmentation of suitably large TCP/IPv4 packets, which may also contain an optional VLAN tag. +UDP/IPv4 GSO +~~~~~~~~~~~~ +UDP/IPv4 GSO supports segmentation of suitably large UDP/IPv4 packets, which +may also contain an optional VLAN tag. UDP GSO is the same as IP fragmentation. +Specifically, UDP GSO treats the UDP header as a part of the payload and +does not modify it during segmentation. Therefore, after UDP GSO, only the +first output packet has the original UDP header, and others just have l2 +and l3 headers. + VxLAN GSO ~~~~~~~~~ VxLAN packets GSO supports segmentation of suitably large VxLAN packets, |