diff options
Diffstat (limited to 'sys/net80211/ieee80211.h')
| -rw-r--r-- | sys/net80211/ieee80211.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/sys/net80211/ieee80211.h b/sys/net80211/ieee80211.h index 7ad6231..217bbf0 100644 --- a/sys/net80211/ieee80211.h +++ b/sys/net80211/ieee80211.h @@ -360,7 +360,16 @@ enum { #define IEEE80211_CRC_LEN 4 -#define IEEE80211_MTU 1500 +/* + * Maximum acceptable MTU is: + * IEEE80211_MAX_LEN - WEP overhead - CRC - + * QoS overhead - RSN/WPA overhead + * Min is arbitrarily chosen > IEEE80211_MIN_LEN. The default + * mtu is Ethernet-compatible; it's set by ether_ifattach. + */ +#define IEEE80211_MTU_MAX 2290 +#define IEEE80211_MTU_MIN 32 + #define IEEE80211_MAX_LEN (2300 + IEEE80211_CRC_LEN + \ (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN)) #define IEEE80211_MIN_LEN \ |
