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| author | gVisor bot <gvisor-bot@google.com> | 2020-10-22 05:15:02 +0000 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2020-10-22 05:15:02 +0000 |
| commit | 4aeb88453ff28369e76eefcd4957ad23bd216559 (patch) | |
| tree | 078844d25f69fafd9c3cba00939c473aa053eb6f /pkg/tcpip/header/ipv4.go | |
| parent | 5e18bb6c3270315dda1ccbd2c3530f05c353120f (diff) | |
| parent | 58a3c2d44f9596c22ef6b226cb6f2fa61617ba88 (diff) | |
Merge release-20201019.0-29-g58a3c2d44 (automated)
Diffstat (limited to 'pkg/tcpip/header/ipv4.go')
| -rw-r--r-- | pkg/tcpip/header/ipv4.go | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/pkg/tcpip/header/ipv4.go b/pkg/tcpip/header/ipv4.go index 4c6e4be64..ee307d163 100644 --- a/pkg/tcpip/header/ipv4.go +++ b/pkg/tcpip/header/ipv4.go @@ -148,6 +148,13 @@ const ( // packet that every IPv4 capable host must be able to // process/reassemble. IPv4MinimumProcessableDatagramSize = 576 + + // IPv4MinimumMTU is the minimum MTU required by IPv4, per RFC 791, + // section 3.2: + // Every internet module must be able to forward a datagram of 68 octets + // without further fragmentation. This is because an internet header may be + // up to 60 octets, and the minimum fragment is 8 octets. + IPv4MinimumMTU = 68 ) // Flags that may be set in an IPv4 packet. |