| lwIP
    2.1.2
    Lightweight IP stack | 
| Data Fields | |
| struct lowpan6_reass_helper * | reass_list | 
| ip6_addr_t | lowpan6_context [10] | 
| u16_t | tx_datagram_tag | 
| u16_t | ieee_802154_pan_id | 
| u8_t | tx_frame_seq_num | 
This struct keeps track of per-netif state
| u16_t lowpan6_ieee802154_data::ieee_802154_pan_id | 
local PAN ID for IEEE 802.15.4 header
| ip6_addr_t lowpan6_ieee802154_data::lowpan6_context[10] | 
address context for compression
| struct lowpan6_reass_helper* lowpan6_ieee802154_data::reass_list | 
fragment reassembly list
| u16_t lowpan6_ieee802154_data::tx_datagram_tag | 
Datagram Tag for fragmentation
| u8_t lowpan6_ieee802154_data::tx_frame_seq_num | 
Sequence Number for IEEE 802.15.4 transmission