projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 8691ee59 AA |
2 | #ifndef __IEEE802154_6LOWPAN_I_H__ |
| 3 | #define __IEEE802154_6LOWPAN_I_H__ | |
| 7240cdec | 4 | |
| 4662a0da AA |
5 | #include <linux/list.h> |
| 6 | ||
| 4dc315e2 | 7 | #include <net/ieee802154_netdev.h> |
| 7240cdec | 8 | #include <net/inet_frag.h> |
| b72f6f51 | 9 | #include <net/6lowpan.h> |
| 7240cdec | 10 | |
| 9efeccac | 11 | typedef unsigned __bitwise lowpan_rx_result; |
| 72a5e6bb AA |
12 | #define RX_CONTINUE ((__force lowpan_rx_result) 0u) |
| 13 | #define RX_DROP_UNUSABLE ((__force lowpan_rx_result) 1u) | |
| 14 | #define RX_DROP ((__force lowpan_rx_result) 2u) | |
| 15 | #define RX_QUEUED ((__force lowpan_rx_result) 3u) | |
| 16 | ||
| 17 | #define LOWPAN_DISPATCH_FRAG1 0xc0 | |
| 18 | #define LOWPAN_DISPATCH_FRAGN 0xe0 | |
| 19 | ||
| 7240cdec | 20 | struct lowpan_create_arg { |
| f870b8c6 | 21 | u16 tag; |
| 7240cdec | 22 | u16 d_size; |
| ae531b94 PB |
23 | const struct ieee802154_addr *src; |
| 24 | const struct ieee802154_addr *dst; | |
| 7240cdec AA |
25 | }; |
| 26 | ||
| 27 | /* Equivalent of ipv4 struct ip | |
| 28 | */ | |
| 29 | struct lowpan_frag_queue { | |
| 30 | struct inet_frag_queue q; | |
| 31 | ||
| f870b8c6 | 32 | u16 tag; |
| 7240cdec | 33 | u16 d_size; |
| ae531b94 PB |
34 | struct ieee802154_addr saddr; |
| 35 | struct ieee802154_addr daddr; | |
| 7240cdec AA |
36 | }; |
| 37 | ||
| ae531b94 | 38 | static inline u32 ieee802154_addr_hash(const struct ieee802154_addr *a) |
| 7240cdec | 39 | { |
| ae531b94 | 40 | switch (a->mode) { |
| 7240cdec | 41 | case IEEE802154_ADDR_LONG: |
| ae531b94 PB |
42 | return (((__force u64)a->extended_addr) >> 32) ^ |
| 43 | (((__force u64)a->extended_addr) & 0xffffffff); | |
| 7240cdec | 44 | case IEEE802154_ADDR_SHORT: |
| 5a7f97e5 | 45 | return (__force u32)(a->short_addr + (a->pan_id << 16)); |
| 7240cdec AA |
46 | default: |
| 47 | return 0; | |
| 48 | } | |
| 49 | } | |
| 50 | ||
| 7240cdec AA |
51 | int lowpan_frag_rcv(struct sk_buff *skb, const u8 frag_type); |
| 52 | void lowpan_net_frag_exit(void); | |
| 53 | int lowpan_net_frag_init(void); | |
| 54 | ||
| 4662a0da AA |
55 | void lowpan_rx_init(void); |
| 56 | void lowpan_rx_exit(void); | |
| 57 | ||
| 4dc315e2 AA |
58 | int lowpan_header_create(struct sk_buff *skb, struct net_device *dev, |
| 59 | unsigned short type, const void *_daddr, | |
| 60 | const void *_saddr, unsigned int len); | |
| 61 | netdev_tx_t lowpan_xmit(struct sk_buff *skb, struct net_device *dev); | |
| 62 | ||
| 72a5e6bb AA |
63 | int lowpan_iphc_decompress(struct sk_buff *skb); |
| 64 | lowpan_rx_result lowpan_rx_h_ipv6(struct sk_buff *skb); | |
| 65 | ||
| 8691ee59 | 66 | #endif /* __IEEE802154_6LOWPAN_I_H__ */ |