[NET_SCHED]: Convert packet schedulers from rtnetlink to new netlink API

Convert packet schedulers to use the netlink API. Unfortunately a gradual
conversion is not possible without breaking compilation in the middle or
adding lots of casts, so this patch converts them all in one step. The
patch has been mostly generated automatically with some minor edits to
at least allow seperate conversion of classifiers and actions.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sched/sch_fifo.c b/net/sched/sch_fifo.c
index fd05919..95ed482 100644
--- a/net/sched/sch_fifo.c
+++ b/net/sched/sch_fifo.c
@@ -43,7 +43,7 @@
 	return qdisc_reshape_fail(skb, sch);
 }
 
-static int fifo_init(struct Qdisc *sch, struct rtattr *opt)
+static int fifo_init(struct Qdisc *sch, struct nlattr *opt)
 {
 	struct fifo_sched_data *q = qdisc_priv(sch);
 
@@ -55,9 +55,9 @@
 
 		q->limit = limit;
 	} else {
-		struct tc_fifo_qopt *ctl = RTA_DATA(opt);
+		struct tc_fifo_qopt *ctl = nla_data(opt);
 
-		if (RTA_PAYLOAD(opt) < sizeof(*ctl))
+		if (nla_len(opt) < sizeof(*ctl))
 			return -EINVAL;
 
 		q->limit = ctl->limit;
@@ -71,10 +71,10 @@
 	struct fifo_sched_data *q = qdisc_priv(sch);
 	struct tc_fifo_qopt opt = { .limit = q->limit };
 
-	RTA_PUT(skb, TCA_OPTIONS, sizeof(opt), &opt);
+	NLA_PUT(skb, TCA_OPTIONS, sizeof(opt), &opt);
 	return skb->len;
 
-rtattr_failure:
+nla_put_failure:
 	return -1;
 }