diff options
| author | Eyal Soha <eyalsoha@google.com> | 2020-03-12 18:38:41 -0700 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2020-03-12 18:39:40 -0700 |
| commit | f693e1334b6fd0bea26fad770dfec3aa7e03c59a (patch) | |
| tree | 2255b56372a857251c31b2e4b864a9c0f62b5b09 /pkg/tcpip/header/ipv4.go | |
| parent | bbf86003bfd2a7547744b89c72e1cd06e9385e66 (diff) | |
Clarify comments about IHL in ipv4.go.
PiperOrigin-RevId: 300668506
Diffstat (limited to 'pkg/tcpip/header/ipv4.go')
| -rw-r--r-- | pkg/tcpip/header/ipv4.go | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/pkg/tcpip/header/ipv4.go b/pkg/tcpip/header/ipv4.go index e5360e7c1..76839eb92 100644 --- a/pkg/tcpip/header/ipv4.go +++ b/pkg/tcpip/header/ipv4.go @@ -38,7 +38,8 @@ const ( // IPv4Fields contains the fields of an IPv4 packet. It is used to describe the // fields of a packet that needs to be encoded. type IPv4Fields struct { - // IHL is the "internet header length" field of an IPv4 packet. + // IHL is the "internet header length" field of an IPv4 packet. The value + // is in bytes. IHL uint8 // TOS is the "type of service" field of an IPv4 packet. @@ -138,7 +139,7 @@ func IPVersion(b []byte) int { } // HeaderLength returns the value of the "header length" field of the ipv4 -// header. +// header. The length returned is in bytes. func (b IPv4) HeaderLength() uint8 { return (b[versIHL] & 0xf) * 4 } |