af_iucv: support ancillary data with HS transport

The AF_IUCV address family offers support for ancillary data.
This patch enables usage of ancillary data with the new
HiperSockets transport.

Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 0 deletions

diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c
index 274d150320c0..f4ad720ea618 100644
--- a/net/iucv/af_iucv.c
+++ b/net/iucv/af_iucv.c
@@ -2209,6 +2209,8 @@ static int afiucv_hs_rcv(struct sk_buff *skb, struct net_device *dev,
                 break;
         case 0:
                 /* plain data frame */
+                memcpy(CB_TRGCLS(skb), &trans_hdr->iucv_hdr.class,
+                       CB_TRGCLS_LEN);
                 err = afiucv_hs_callback_rx(sk, skb);
                 break;
         default: