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Greg Kroah-Hartmanb2441312017-11-01 15:07:57 +01001/* SPDX-License-Identifier: GPL-2.0 */
Alexander Aring8691ee52015-01-04 17:10:54 +01002#ifndef __IEEE802154_6LOWPAN_I_H__
3#define __IEEE802154_6LOWPAN_I_H__
Alexander Aring7240cde2014-02-28 07:32:50 +01004
Alexander Aring4662a0d2015-01-04 17:10:55 +01005#include <linux/list.h>
6
Alexander Aring4dc315e22015-01-04 17:10:56 +01007#include <net/ieee802154_netdev.h>
Alexander Aring7240cde2014-02-28 07:32:50 +01008#include <net/inet_frag.h>
Alexander Aringb72f6f52015-08-11 21:44:08 +02009#include <net/6lowpan.h>
Alexander Aring7240cde2014-02-28 07:32:50 +010010
Michael S. Tsirkin9efecca2016-12-11 06:34:53 +020011typedef unsigned __bitwise lowpan_rx_result;
Alexander Aring72a5e6b2015-09-02 14:21:25 +020012#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
Eric Dumazet648700f2018-03-31 12:58:49 -070020struct frag_lowpan_compare_key {
Alexander Aringf870b8c2014-10-06 11:00:51 +020021 u16 tag;
Alexander Aring7240cde2014-02-28 07:32:50 +010022 u16 d_size;
Alexander Aringf18fa5d2018-04-20 14:54:13 -040023 struct ieee802154_addr src;
24 struct ieee802154_addr dst;
Alexander Aring7240cde2014-02-28 07:32:50 +010025};
26
Eric Dumazet648700f2018-03-31 12:58:49 -070027/* Equivalent of ipv4 struct ipq
Alexander Aring7240cde2014-02-28 07:32:50 +010028 */
29struct lowpan_frag_queue {
30 struct inet_frag_queue q;
Alexander Aring7240cde2014-02-28 07:32:50 +010031};
32
Alexander Aring7240cde2014-02-28 07:32:50 +010033int lowpan_frag_rcv(struct sk_buff *skb, const u8 frag_type);
34void lowpan_net_frag_exit(void);
35int lowpan_net_frag_init(void);
36
Alexander Aring4662a0d2015-01-04 17:10:55 +010037void lowpan_rx_init(void);
38void lowpan_rx_exit(void);
39
Alexander Aring4dc315e22015-01-04 17:10:56 +010040int lowpan_header_create(struct sk_buff *skb, struct net_device *dev,
41 unsigned short type, const void *_daddr,
42 const void *_saddr, unsigned int len);
43netdev_tx_t lowpan_xmit(struct sk_buff *skb, struct net_device *dev);
44
Alexander Aring72a5e6b2015-09-02 14:21:25 +020045int lowpan_iphc_decompress(struct sk_buff *skb);
46lowpan_rx_result lowpan_rx_h_ipv6(struct sk_buff *skb);
47
Alexander Aring8691ee52015-01-04 17:10:54 +010048#endif /* __IEEE802154_6LOWPAN_I_H__ */