diff options
Diffstat (limited to 'include/net/6lowpan.h')
| -rw-r--r-- | include/net/6lowpan.h | 53 |
1 files changed, 50 insertions, 3 deletions
diff --git a/include/net/6lowpan.h b/include/net/6lowpan.h index da3a77d25fcb..5ab4c9901ccc 100644 --- a/include/net/6lowpan.h +++ b/include/net/6lowpan.h @@ -58,6 +58,9 @@ #include <net/ipv6.h> #include <net/net_namespace.h> +/* special link-layer handling */ +#include <net/mac802154.h> + #define EUI64_ADDR_LEN 8 #define LOWPAN_NHC_MAX_ID_LEN 1 @@ -93,7 +96,7 @@ static inline bool lowpan_is_iphc(u8 dispatch) } #define LOWPAN_PRIV_SIZE(llpriv_size) \ - (sizeof(struct lowpan_priv) + llpriv_size) + (sizeof(struct lowpan_dev) + llpriv_size) enum lowpan_lltypes { LOWPAN_LLTYPE_BTLE, @@ -129,7 +132,7 @@ lowpan_iphc_ctx_is_compression(const struct lowpan_iphc_ctx *ctx) return test_bit(LOWPAN_IPHC_CTX_FLAG_COMPRESSION, &ctx->flags); } -struct lowpan_priv { +struct lowpan_dev { enum lowpan_lltypes lltype; struct dentry *iface_debugfs; struct lowpan_iphc_ctx_table ctx; @@ -138,12 +141,34 @@ struct lowpan_priv { u8 priv[0] __aligned(sizeof(void *)); }; +struct lowpan_802154_neigh { + __le16 short_addr; +}; + static inline -struct lowpan_priv *lowpan_priv(const struct net_device *dev) +struct lowpan_802154_neigh *lowpan_802154_neigh(void *neigh_priv) +{ + return neigh_priv; +} + +static inline +struct lowpan_dev *lowpan_dev(const struct net_device *dev) { return netdev_priv(dev); } +/* private device info */ +struct lowpan_802154_dev { + struct net_device *wdev; /* wpan device ptr */ + u16 fragment_tag; +}; + +static inline struct +lowpan_802154_dev *lowpan_802154_dev(const struct net_device *dev) +{ + return (struct lowpan_802154_dev *)lowpan_dev(dev)->priv; +} + struct lowpan_802154_cb { u16 d_tag; unsigned int d_size; @@ -157,6 +182,22 @@ struct lowpan_802154_cb *lowpan_802154_cb(const struct sk_buff *skb) return (struct lowpan_802154_cb *)skb->cb; } +static inline void lowpan_iphc_uncompress_eui64_lladdr(struct in6_addr *ipaddr, + const void *lladdr) +{ + /* fe:80::XXXX:XXXX:XXXX:XXXX + * \_________________/ + * hwaddr + */ + ipaddr->s6_addr[0] = 0xFE; + ipaddr->s6_addr[1] = 0x80; + memcpy(&ipaddr->s6_addr[8], lladdr, EUI64_ADDR_LEN); + /* second bit-flip (Universe/Local) + * is done according RFC2464 + */ + ipaddr->s6_addr[8] ^= 0x02; +} + #ifdef DEBUG /* print data in line */ static inline void raw_dump_inline(const char *caller, char *msg, @@ -213,6 +254,12 @@ static inline bool lowpan_fetch_skb(struct sk_buff *skb, void *data, return false; } +static inline bool lowpan_802154_is_valid_src_short_addr(__le16 addr) +{ + /* First bit of addr is multicast, reserved or 802.15.4 specific */ + return !(addr & cpu_to_le16(0x8000)); +} + static inline void lowpan_push_hc_data(u8 **hc_ptr, const void *data, const size_t len) { |