net/ieee802154/6lowpan/6lowpan_i.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __IEEE802154_6LOWPAN_I_H__
   3 #define __IEEE802154_6LOWPAN_I_H__
   4
   5 #include <linux/list.h>
   6
   7 #include <net/ieee802154_netdev.h>
   8 #include <net/inet_frag.h>
   9 #include <net/6lowpan.h>
  10
  11 typedef unsigned __bitwise lowpan_rx_result;
  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
  20 struct frag_lowpan_compare_key {
  21         u16 tag;
  22         u16 d_size;
  23         struct ieee802154_addr src;
  24         struct ieee802154_addr dst;
  25 };
  26
  27 /* Equivalent of ipv4 struct ipq
  28  */
  29 struct lowpan_frag_queue {
  30         struct inet_frag_queue  q;
  31 };
  32
  33 int lowpan_frag_rcv(struct sk_buff *skb, const u8 frag_type);
  34 void lowpan_net_frag_exit(void);
  35 int lowpan_net_frag_init(void);
  36
  37 void lowpan_rx_init(void);
  38 void lowpan_rx_exit(void);
  39
  40 int 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);
  43 netdev_tx_t lowpan_xmit(struct sk_buff *skb, struct net_device *dev);
  44
  45 int lowpan_iphc_decompress(struct sk_buff *skb);
  46 lowpan_rx_result lowpan_rx_h_ipv6(struct sk_buff *skb);
  47
  48 #endif /* __IEEE802154_6LOWPAN_I_H__ */