X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/99f6d01b24d037f4d69ad098f085d98e3d1b73b4..1a1ac1d6947a7d2f1f50f45c21d8851d0af66575:/ethertype.h diff --git a/ethertype.h b/ethertype.h index f38ec8e4..109e8748 100644 --- a/ethertype.h +++ b/ethertype.h @@ -19,6 +19,13 @@ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. */ +/* + * Maximum length of the length field in an Ethernet header; any value + * greater than this is not a length value, so it's either an Ethernet + * type or an invalid value. + */ +#define MAX_ETHERNET_LENGTH_VAL 1500 + /* * Ethernet types. * @@ -106,8 +113,8 @@ #endif /* see: - http://en.wikipedia.org/wiki/IEEE_802.1Q - and http://en.wikipedia.org/wiki/QinQ + https://en.wikipedia.org/wiki/IEEE_802.1Q + and https://en.wikipedia.org/wiki/QinQ */ #ifndef ETHERTYPE_8021Q9100 #define ETHERTYPE_8021Q9100 0x9100 @@ -199,8 +206,8 @@ #ifndef ETHERTYPE_GEONET #define ETHERTYPE_GEONET 0x8947 /* ETSI GeoNetworking (Official IEEE registration from Jan 2013) */ #endif -#ifndef ETHERTYPE_MEDSA -#define ETHERTYPE_MEDSA 0xdada /* Marvel Distributed Switch Architecture */ +#ifndef ETHERTYPE_ARISTA +#define ETHERTYPE_ARISTA 0xd28b /* Arista Networks vendor specific EtherType */ #endif extern const struct tok ethertype_values[];