diff options
Diffstat (limited to 'include/net/6lowpan.h')
| -rw-r--r-- | include/net/6lowpan.h | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/include/net/6lowpan.h b/include/net/6lowpan.h index 6f1e0bd3d211..ac30ad3d8cd3 100644 --- a/include/net/6lowpan.h +++ b/include/net/6lowpan.h @@ -319,12 +319,24 @@ static inline void lowpan_push_hc_data(u8 **hc_ptr, const void *data, void lowpan_netdev_setup(struct net_device *dev, enum lowpan_lltypes lltype); -int -lowpan_header_decompress(struct sk_buff *skb, struct net_device *dev, - const u8 *saddr, const u8 saddr_type, - const u8 saddr_len, const u8 *daddr, - const u8 daddr_type, const u8 daddr_len, - u8 iphc0, u8 iphc1); +/** + * lowpan_header_decompress - replace 6LoWPAN header with IPv6 header + * + * This function replaces the IPHC 6LoWPAN header which should be pointed at + * skb->data and skb_network_header, with the IPv6 header. + * It would be nice that the caller have the necessary headroom of IPv6 header + * and greatest Transport layer header, this would reduce the overhead for + * reallocate headroom. + * + * @skb: the buffer which should be manipulate. + * @dev: the lowpan net device pointer. + * @daddr: destination lladdr of mac header which is used for compression + * methods. + * @saddr: source lladdr of mac header which is used for compression + * methods. + */ +int lowpan_header_decompress(struct sk_buff *skb, const struct net_device *dev, + const void *daddr, const void *saddr); /** * lowpan_header_compress - replace IPv6 header with 6LoWPAN header |