diff options
Diffstat (limited to 'src/include/gpxe/netdevice.h')
| -rw-r--r-- | src/include/gpxe/netdevice.h | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/src/include/gpxe/netdevice.h b/src/include/gpxe/netdevice.h index a2126fac0..cfcfb7778 100644 --- a/src/include/gpxe/netdevice.h +++ b/src/include/gpxe/netdevice.h @@ -21,11 +21,19 @@ struct net_protocol; struct ll_protocol; struct device; -/** Maximum length of a link-layer address */ +/** Maximum length of a link-layer address + * + * The longest currently-supported link-layer address is for IPoIB. + */ #define MAX_LL_ADDR_LEN 20 -/** Maximum length of a link-layer header */ -#define MAX_LL_HEADER_LEN 6 +/** Maximum length of a link-layer header + * + * The longest currently-supported link-layer header is for Ethernet. + * (The IPoIB link-layer pseudo-header doesn't actually include + * link-layer addresses; see ipoib.c for details). + */ +#define MAX_LL_HEADER_LEN 14 /** Maximum length of a network-layer address */ #define MAX_NET_ADDR_LEN 4 |