microsoft / microsoft/ntttcp-for-linux
Add MSG_ZEROCOPY in TCP socket?
Open
Nobody has claimed this yet.
enhancement
- Dominant language
- C
- Stars
- 426
- Forks
- 108
- PR merge metrics
- No merged PRs in 30d
Description
The MSG_ZEROCOPY flag enables copy avoidance for socket send calls. The feature is currently implemented for TCP sockets. It would be good to have this in ntttcp-for-Linux in some point.
https://www.kernel.org/doc/html/latest/networking/msg_zerocopy.html
tools/testing/selftests/net/msg_zerocopy.c.
Contributor guide
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start with the Linux MSG_ZEROCOPY documentation and tools/testing/selftests/net/msg_zerocopy.c, then inspect how ntttcp-for-Linux performs TCP sends. Done means the benchmark can exercise MSG_ZEROCOPY for TCP socket send calls.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- c, linux
- Domain
- networking
- Issue type
- Feature
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100