unix: add missing tpacket block (sub)header

This adds the missing tpacket_hdr_v1 struct, which is needed to read
tpacket_block_desc (hdr member, which is a union and therfore defined as
[40]byte). This doesn't modify block_desc so existing implementations
keep working.
Caveat: Although TpacketBDTS has a usec member, this will contain nsec
in case of tpacket v2 or v3.

Change-Id: I772939fe56cf56fc09cf4acf4013b23beb6e03c7
Reviewed-on: https://go-review.googlesource.com/c/sys/+/174861
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
14 files changed
tree: cb28a671923e62b29e11e89f53912001dac8e9be
  1. cpu/
  2. plan9/
  3. unix/
  4. windows/
  5. .gitattributes
  6. .gitignore
  7. AUTHORS
  8. codereview.cfg
  9. CONTRIBUTING.md
  10. CONTRIBUTORS
  11. go.mod
  12. LICENSE
  13. PATENTS
  14. README.md
README.md

sys

This repository holds supplemental Go packages for low-level interactions with the operating system.

Download/Install

The easiest way to install is to run go get -u golang.org/x/sys. You can also manually git clone the repository to $GOPATH/src/golang.org/x/sys.

Report Issues / Send Patches

This repository uses Gerrit for code changes. To learn how to submit changes to this repository, see https://golang.org/doc/contribute.html.

The main issue tracker for the sys repository is located at https://github.com/golang/go/issues. Prefix your issue with “x/sys:” in the subject line, so it is easy to find.