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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __IEEE802154_6LOWPAN_I_H__
#define __IEEE802154_6LOWPAN_I_H__
#include <linux/list.h>
#include <net/ieee802154_netdev.h>
#include <net/inet_frag.h>
#include <net/6lowpan.h>
typedef unsigned __bitwise lowpan_rx_result;
#define RX_CONTINUE ((__force lowpan_rx_result) 0u)
#define RX_DROP_UNUSABLE ((__force lowpan_rx_result) 1u)
#define RX_DROP ((__force lowpan_rx_result) 2u)
#define RX_QUEUED ((__force lowpan_rx_result) 3u)
#define LOWPAN_DISPATCH_FRAG1 0xc0
#define LOWPAN_DISPATCH_FRAGN 0xe0
struct lowpan_create_arg {
u16 tag;
u16 d_size;
const struct ieee802154_addr *src;
const struct ieee802154_addr *dst;
};
/* Equivalent of ipv4 struct ip
*/
struct lowpan_frag_queue {
struct inet_frag_queue q;
u16 tag;
u16 d_size;
struct ieee802154_addr saddr;
struct ieee802154_addr daddr;
};
static inline u32 ieee802154_addr_hash(const struct ieee802154_addr *a)
{
switch (a->mode) {
case IEEE802154_ADDR_LONG:
return (((__force u64)a->extended_addr) >> 32) ^
(((__force u64)a->extended_addr) & 0xffffffff);
case IEEE802154_ADDR_SHORT:
return (__force u32)(a->short_addr + (a->pan_id << 16));
default:
return 0;
}
}
int lowpan_frag_rcv(struct sk_buff *skb, const u8 frag_type);
void lowpan_net_frag_exit(void);
int lowpan_net_frag_init(void);
void lowpan_rx_init(void);
void lowpan_rx_exit(void);
int lowpan_header_create(struct sk_buff *skb, struct net_device *dev,
unsigned short type, const void *_daddr,
const void *_saddr, unsigned int len);
netdev_tx_t lowpan_xmit(struct sk_buff *skb, struct net_device *dev);
int lowpan_iphc_decompress(struct sk_buff *skb);
lowpan_rx_result lowpan_rx_h_ipv6(struct sk_buff *skb);
#endif /* __IEEE802154_6LOWPAN_I_H__ */
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