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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/net/ieee802154/6lowpan/6lowpan_i.h
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/* SPDX-License-Identifier: GPL-2.0 */

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#ifndef __IEEE802154_6LOWPAN_I_H__

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#define __IEEE802154_6LOWPAN_I_H__

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#include <linux/list.h>

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#include <net/ieee802154_netdev.h>

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#include <net/inet_frag.h>

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#include <net/6lowpan.h>

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typedef unsigned __bitwise lowpan_rx_result;

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#define RX_CONTINUE		((__force lowpan_rx_result) 0u)

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#define RX_DROP_UNUSABLE	((__force lowpan_rx_result) 1u)

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#define RX_DROP			((__force lowpan_rx_result) 2u)

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#define RX_QUEUED		((__force lowpan_rx_result) 3u)

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#define LOWPAN_DISPATCH_FRAG1           0xc0

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#define LOWPAN_DISPATCH_FRAGN           0xe0

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struct frag_lowpan_compare_key {

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	u16 tag;

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	u16 d_size;

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	struct ieee802154_addr src;

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	struct ieee802154_addr dst;

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};

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/* Equivalent of ipv4 struct ipq

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 */

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struct lowpan_frag_queue {

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	struct inet_frag_queue	q;

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};

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int lowpan_frag_rcv(struct sk_buff *skb, const u8 frag_type);

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void lowpan_net_frag_exit(void);

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int lowpan_net_frag_init(void);

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void lowpan_rx_init(void);

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void lowpan_rx_exit(void);

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int lowpan_header_create(struct sk_buff *skb, struct net_device *dev,

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			 unsigned short type, const void *_daddr,

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			 const void *_saddr, unsigned int len);

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netdev_tx_t lowpan_xmit(struct sk_buff *skb, struct net_device *dev);

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int lowpan_iphc_decompress(struct sk_buff *skb);

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lowpan_rx_result lowpan_rx_h_ipv6(struct sk_buff *skb);

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#endif /* __IEEE802154_6LOWPAN_I_H__ */

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