[19.04 FEAT] qeth: Full-blown TCP Segmentation Offload

Bug #1805793 reported by bugproxy on 2018-11-29
This bug affects 1 person
Affects Status Importance Assigned to Milestone
Ubuntu on IBM z Systems
Frank Heimes
linux (Ubuntu)
Skipper Bug Screeners

Bug Description

As of now, qeth only supports TCP Segmentation Offload (TSO) for IPv4 in Layer3 devices.
This feature extends the existing support to IPv6, and adds support for TSO in both IP variants for Layer2.

Improved performance via improved TCP Segmentation offload also extended to IPv6 and for layer 2 devices

kernel 4.20:
Git-Commit: will follow

bugproxy (bugproxy) on 2018-11-29
tags: added: architecture-s39064 bugnameltc-173539 severity-high targetmilestone-inin1904
Changed in ubuntu:
assignee: nobody → Skipper Bug Screeners (skipper-screen-team)
affects: ubuntu → linux (Ubuntu)
Frank Heimes (frank-heimes) wrote :

Since kernel 4.20+ is the target kernel for 19.04 anyway, this ticket will not be assigned, but just monitored ...

Changed in ubuntu-z-systems:
status: New → Triaged
importance: Undecided → High

------- Comment From <email address hidden> 2019-02-01 07:40 EDT-------
Git Commit: kernel 4.20 [fc69660bbd]

Changed in linux (Ubuntu):
status: New → Incomplete
Changed in ubuntu-z-systems:
status: Triaged → Incomplete
assignee: nobody → Frank Heimes (frank-heimes)
Frank Heimes (frank-heimes) wrote :

Just verified that commit "s390/qeth: move L2 xmit code to core module" landed in disco-proposed kernel "Ubuntu-5.0.0-7.8" (as "fc69660").
Hence updating status to Fix Committed.

Changed in linux (Ubuntu):
status: Incomplete → Fix Committed
Changed in ubuntu-z-systems:
status: Incomplete → Fix Committed
Frank Heimes (frank-heimes) wrote :

Since Kernel 5.0 landed in disco's release pocket today, I'm changing the status to Fix Released.

Changed in linux (Ubuntu):
status: Fix Committed → Fix Released
Changed in ubuntu-z-systems:
status: Fix Committed → Fix Released
bugproxy (bugproxy) wrote :

------- Comment From <email address hidden> 2019-03-15 06:26 EDT-------
IBM Bugzilla status -> closed, Fix Released for disco

information type: Private → Public
Brad Figg (brad-figg) on 2019-07-24
tags: added: cscc
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