diff options
Diffstat (limited to 'net/6lowpan/nhc.h')
| -rw-r--r-- | net/6lowpan/nhc.h | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/net/6lowpan/nhc.h b/net/6lowpan/nhc.h index ed44938eb..803041400 100644 --- a/net/6lowpan/nhc.h +++ b/net/6lowpan/nhc.h @@ -8,8 +8,6 @@ #include <net/6lowpan.h> #include <net/ipv6.h> -#define LOWPAN_NHC_MAX_ID_LEN 1 - /** * LOWPAN_NHC - helper macro to generate nh id fields and lowpan_nhc struct * @@ -88,19 +86,16 @@ struct lowpan_nhc *lowpan_nhc_by_nexthdr(u8 nexthdr); /** * lowpan_nhc_check_compression - checks if we support compression format. If - * we support the nhc by nexthdr field, the 6LoWPAN iphc NHC bit will be - * set. If we don't support nexthdr will be added as inline data to the - * 6LoWPAN header. + * we support the nhc by nexthdr field, the function will return 0. If we + * don't support the nhc by nexthdr this function will return -ENOENT. * * @skb: skb of 6LoWPAN header to read nhc and replace header. * @hdr: ipv6hdr to check the nexthdr value * @hc_ptr: pointer for 6LoWPAN header which should increment at the end of * replaced header. - * @iphc0: iphc0 pointer to set the 6LoWPAN NHC bit */ int lowpan_nhc_check_compression(struct sk_buff *skb, - const struct ipv6hdr *hdr, u8 **hc_ptr, - u8 *iphc0); + const struct ipv6hdr *hdr, u8 **hc_ptr); /** * lowpan_nhc_do_compression - calling compress callback for nhc @@ -121,7 +116,8 @@ int lowpan_nhc_do_compression(struct sk_buff *skb, const struct ipv6hdr *hdr, * @dev: netdevice for print logging information. * @hdr: ipv6hdr for setting nexthdr value. */ -int lowpan_nhc_do_uncompression(struct sk_buff *skb, struct net_device *dev, +int lowpan_nhc_do_uncompression(struct sk_buff *skb, + const struct net_device *dev, struct ipv6hdr *hdr); /** |