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unix: add missing tpacket block (sub)header

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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>
This commit is contained in:
Gernot Vormayr
2019-05-02 17:53:42 +00:00
committed by Brad Fitzpatrick
parent 3ef323f4f1
commit a43fa875dd
14 changed files with 199 additions and 0 deletions
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unix/linux/types.go
+4
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@@ -1160,6 +1160,10 @@ type TpacketHdrVariant1 C.struct_tpacket_hdr_variant1
type TpacketBlockDesc C.struct_tpacket_block_desc
type TpacketBDTS C.struct_tpacket_bd_ts
type TpacketHdrV1 C.struct_tpacket_hdr_v1
type TpacketReq C.struct_tpacket_req
type TpacketReq3 C.struct_tpacket_req3