diff options
| -rw-r--r-- | net/ieee802154/6lowpan.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/net/ieee802154/6lowpan.c b/net/ieee802154/6lowpan.c index 92429db0b237..632b3fdf46a4 100644 --- a/net/ieee802154/6lowpan.c +++ b/net/ieee802154/6lowpan.c @@ -698,6 +698,12 @@ lowpan_alloc_new_frame(struct sk_buff *skb, u16 len, u16 tag) skb_reserve(frame->skb, sizeof(struct ipv6hdr)); skb_put(frame->skb, frame->length); + /* copy the first control block to keep a + * trace of the link-layer addresses in case + * of a link-local compressed address + */ + memcpy(frame->skb->cb, skb->cb, sizeof(skb->cb)); + init_timer(&frame->timer); /* time out is the same as for ipv6 - 60 sec */ frame->timer.expires = jiffies + LOWPAN_FRAG_TIMEOUT; |