diff options
Diffstat (limited to 'include/net/neighbour.h')
| -rw-r--r-- | include/net/neighbour.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/include/net/neighbour.h b/include/net/neighbour.h index 23967031ddb7..3725b93c52f3 100644 --- a/include/net/neighbour.h +++ b/include/net/neighbour.h @@ -309,6 +309,24 @@ static inline int neigh_event_send(struct neighbour *neigh, struct sk_buff *skb) return 0; } +static inline int neigh_hh_output(struct hh_cache *hh, struct sk_buff *skb) +{ + unsigned seq; + int hh_len; + + do { + int hh_alen; + + seq = read_seqbegin(&hh->hh_lock); + hh_len = hh->hh_len; + hh_alen = HH_DATA_ALIGN(hh_len); + memcpy(skb->data - hh_alen, hh->hh_data, hh_alen); + } while (read_seqretry(&hh->hh_lock, seq)); + + skb_push(skb, hh_len); + return hh->hh_output(skb); +} + static inline struct neighbour * __neigh_lookup(struct neigh_table *tbl, const void *pkey, struct net_device *dev, int creat) { |