1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun #ifndef __IEEE802154_6LOWPAN_I_H__ 3*4882a593Smuzhiyun #define __IEEE802154_6LOWPAN_I_H__ 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun #include <linux/list.h> 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun #include <net/ieee802154_netdev.h> 8*4882a593Smuzhiyun #include <net/inet_frag.h> 9*4882a593Smuzhiyun #include <net/6lowpan.h> 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun typedef unsigned __bitwise lowpan_rx_result; 12*4882a593Smuzhiyun #define RX_CONTINUE ((__force lowpan_rx_result) 0u) 13*4882a593Smuzhiyun #define RX_DROP_UNUSABLE ((__force lowpan_rx_result) 1u) 14*4882a593Smuzhiyun #define RX_DROP ((__force lowpan_rx_result) 2u) 15*4882a593Smuzhiyun #define RX_QUEUED ((__force lowpan_rx_result) 3u) 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun #define LOWPAN_DISPATCH_FRAG1 0xc0 18*4882a593Smuzhiyun #define LOWPAN_DISPATCH_FRAGN 0xe0 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun struct frag_lowpan_compare_key { 21*4882a593Smuzhiyun u16 tag; 22*4882a593Smuzhiyun u16 d_size; 23*4882a593Smuzhiyun struct ieee802154_addr src; 24*4882a593Smuzhiyun struct ieee802154_addr dst; 25*4882a593Smuzhiyun }; 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun /* Equivalent of ipv4 struct ipq 28*4882a593Smuzhiyun */ 29*4882a593Smuzhiyun struct lowpan_frag_queue { 30*4882a593Smuzhiyun struct inet_frag_queue q; 31*4882a593Smuzhiyun }; 32*4882a593Smuzhiyun 33*4882a593Smuzhiyun int lowpan_frag_rcv(struct sk_buff *skb, const u8 frag_type); 34*4882a593Smuzhiyun void lowpan_net_frag_exit(void); 35*4882a593Smuzhiyun int lowpan_net_frag_init(void); 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun void lowpan_rx_init(void); 38*4882a593Smuzhiyun void lowpan_rx_exit(void); 39*4882a593Smuzhiyun 40*4882a593Smuzhiyun int lowpan_header_create(struct sk_buff *skb, struct net_device *dev, 41*4882a593Smuzhiyun unsigned short type, const void *_daddr, 42*4882a593Smuzhiyun const void *_saddr, unsigned int len); 43*4882a593Smuzhiyun netdev_tx_t lowpan_xmit(struct sk_buff *skb, struct net_device *dev); 44*4882a593Smuzhiyun 45*4882a593Smuzhiyun int lowpan_iphc_decompress(struct sk_buff *skb); 46*4882a593Smuzhiyun lowpan_rx_result lowpan_rx_h_ipv6(struct sk_buff *skb); 47*4882a593Smuzhiyun 48*4882a593Smuzhiyun #endif /* __IEEE802154_6LOWPAN_I_H__ */ 49