From: Ursula Braun <braunu@xxxxxxxxxx> The first 4 bytes of data to be sent are stored additionally into the message class field of the send request. A receiving target program (not an af_iucv socket program) can make use of this information to pre-screen incoming messages. Signed-off-by: Ursula Braun <braunu@xxxxxxxxxx> --- net/iucv/af_iucv.c | 1 + 1 file changed, 1 insertion(+) Index: net-2.6-uschi/net/iucv/af_iucv.c =================================================================== --- net-2.6-uschi.orig/net/iucv/af_iucv.c +++ net-2.6-uschi/net/iucv/af_iucv.c @@ -644,6 +644,7 @@ static int iucv_sock_sendmsg(struct kioc } txmsg.class = 0; + memcpy(&txmsg.class, skb->data, skb->len >= 4 ? 4 : skb->len); txmsg.tag = iucv->send_tag++; memcpy(skb->cb, &txmsg.tag, 4); skb_queue_tail(&iucv->send_skb_q, skb); -- -- To unsubscribe from this list: send the line "unsubscribe linux-s390" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
