unix: add IoctlGetHwTstamp/IoctlGetHwTstamp on Linux

[yarikk]

Add the ioctls to get/set the hardware timestamping configuration
(SIOCSHWTSTAMP and SIOCGHWTSTAMP) along with relevant symbols.

The usage is described in
https://www.kernel.org/doc/Documentation/networking/timestamping.txt

[gopherbot]

This PR (HEAD: e7ffba8) has been imported to Gerrit for code review.

Please visit Gerrit at https://go-review.googlesource.com/c/sys/+/620376.

Important tips:

• Don't comment on this PR. All discussion takes place in Gerrit.
• You need a Gmail or other Google account to log in to Gerrit.
• To change your code in response to feedback:
  • Push a new commit to the branch used by your GitHub PR.
  • A new "patch set" will then appear in Gerrit.
  • Respond to each comment by marking as Done in Gerrit if implemented as suggested. You can alternatively write a reply.
  • Critical: you must click the blue Reply button near the top to publish your Gerrit responses.
  • Multiple commits in the PR will be squashed by GerritBot.
• The title and description of the GitHub PR are used to construct the final commit message.
  • Edit these as needed via the GitHub web interface (not via Gerrit or git).
  • You should word wrap the PR description at ~76 characters unless you need longer lines (e.g., for tables or URLs).
• See the Sending a change via GitHub and Reviews sections of the Contribution Guide as well as the FAQ for details.

[gopherbot]

Message from Gopher Robot:

Patch Set 1:

(1 comment)

---

Please don’t reply on this GitHub thread. Visit golang.org/cl/620376.
After addressing review feedback, remember to publish your drafts!

[gopherbot]

This PR (HEAD: 47dc9df) has been imported to Gerrit for code review.

Please visit Gerrit at https://go-review.googlesource.com/c/sys/+/620376.

Important tips:

• Don't comment on this PR. All discussion takes place in Gerrit.
• You need a Gmail or other Google account to log in to Gerrit.
• To change your code in response to feedback:
  • Push a new commit to the branch used by your GitHub PR.
  • A new "patch set" will then appear in Gerrit.
  • Respond to each comment by marking as Done in Gerrit if implemented as suggested. You can alternatively write a reply.
  • Critical: you must click the blue Reply button near the top to publish your Gerrit responses.
  • Multiple commits in the PR will be squashed by GerritBot.
• The title and description of the GitHub PR are used to construct the final commit message.
  • Edit these as needed via the GitHub web interface (not via Gerrit or git).
  • You should word wrap the PR description at ~76 characters unless you need longer lines (e.g., for tables or URLs).
• See the Sending a change via GitHub and Reviews sections of the Contribution Guide as well as the FAQ for details.

[gopherbot]

Message from Yaroslav Kolomiiets:

Patch Set 2:

(2 comments)

---

Please don’t reply on this GitHub thread. Visit golang.org/cl/620376.
After addressing review feedback, remember to publish your drafts!

[gopherbot]

Message from Ian Lance Taylor:

Patch Set 2: Commit-Queue+1

---

Please don’t reply on this GitHub thread. Visit golang.org/cl/620376.
After addressing review feedback, remember to publish your drafts!

[gopherbot]

Message from Go LUCI:

Patch Set 2:

Dry run: CV is trying the patch.

Bot data: {"action":"start","triggered_at":"2024-10-16T02:46:26Z","revision":"ee07eab2889a59c4f8f933d06630f0e22a613f11"}

---

Please don’t reply on this GitHub thread. Visit golang.org/cl/620376.
After addressing review feedback, remember to publish your drafts!

[gopherbot]

Message from Ian Lance Taylor:

Patch Set 2: -Commit-Queue

---

Please don’t reply on this GitHub thread. Visit golang.org/cl/620376.
After addressing review feedback, remember to publish your drafts!

[gopherbot]

Message from Go LUCI:

Patch Set 2:

This CL has passed the run

---

Please don’t reply on this GitHub thread. Visit golang.org/cl/620376.
After addressing review feedback, remember to publish your drafts!

[gopherbot]

Message from Go LUCI:

Patch Set 2: LUCI-TryBot-Result+1

---

Please don’t reply on this GitHub thread. Visit golang.org/cl/620376.
After addressing review feedback, remember to publish your drafts!

[gopherbot]

Message from Ian Lance Taylor:

Patch Set 2: Auto-Submit+1 Code-Review+2 Commit-Queue+1

(1 comment)

---

Please don’t reply on this GitHub thread. Visit golang.org/cl/620376.
After addressing review feedback, remember to publish your drafts!

[gopherbot]

Message from Go LUCI:

Patch Set 2:

Dry run: CV is trying the patch.

Bot data: {"action":"start","triggered_at":"2024-10-16T03:59:02Z","revision":"ee07eab2889a59c4f8f933d06630f0e22a613f11"}

---

Please don’t reply on this GitHub thread. Visit golang.org/cl/620376.
After addressing review feedback, remember to publish your drafts!

[gopherbot]

Message from Ian Lance Taylor:

Patch Set 2: -Commit-Queue

---

Please don’t reply on this GitHub thread. Visit golang.org/cl/620376.
After addressing review feedback, remember to publish your drafts!

[gopherbot]

Message from Go LUCI:

Patch Set 2:

This CL has passed the run

---

Please don’t reply on this GitHub thread. Visit golang.org/cl/620376.
After addressing review feedback, remember to publish your drafts!

[gopherbot]

This PR is being closed because golang.org/cl/620376 has been merged.