Ethernet

Provides Ethernet header and helper functions.

void ethernet_get_iid(eui64_t * eui64, uint8_t * mac)

Generates an IPv6 interface identifier from a 48-bit MAC address.

See also

RFC 2464, section 4

Parameters

eui64:The resulting EUI-64.
mac:A 48-bit MAC address. Is expected to be at least ethernet/hdr.h::ETHERNET_ADDR_LEN long.

ETHERNET_DATA_LEN

maximum number of bytes in payload 

1
(1500)
ETHERNET_FCS_LEN

number of bytes in the FCS (frame check sequence) 

1
(4)
ETHERNET_FRAME_LEN

maximum number of bytes in an ethernet frame (without FCS) 

1
(ETHERNET_DATA_LEN + sizeof(ethernet_hdr_t))
ETHERNET_MIN_LEN

minimum number of bytes in an ethernet frame (with FCF) 

1
(64)
ETHERNET_MAX_LEN

maximum number of bytes in an ethernet frame (with FCF) 

1
(ETHERNET_FRAME_LEN + ETHERNET_FCS_LEN)