net_sched: export pfifo_fast prio2band[]

pfifo_fast prio2band[] is renamed to sch_default_prio2band[]
and exported because we want to share it in FQ.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Dave Taht <dave.taht@gmail.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Reviewed-by: Toke Høiland-Jørgensen <toke@redhat.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index f232512505f89622517f87a24b35c3a441c81b3d..c7318c73cfd632b730ca1e943c777f0475cd6458 100644 (file)
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -587,6 +587,7 @@ static inline void sch_tree_unlock(struct Qdisc *q)
 extern struct Qdisc noop_qdisc;
 extern struct Qdisc_ops noop_qdisc_ops;
 extern struct Qdisc_ops pfifo_fast_ops;
+extern const u8 sch_default_prio2band[TC_PRIO_MAX + 1];
 extern struct Qdisc_ops mq_qdisc_ops;
 extern struct Qdisc_ops noqueue_qdisc_ops;
 extern const struct Qdisc_ops *default_qdisc_ops;

diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index 5d7e23f4cc0ee4c8c2c39cf10405f56fb6f0bfe1..4195a4bc26ca7932edb7b60b383f7887d960f3ca 100644 (file)
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -694,9 +694,10 @@ struct Qdisc_ops noqueue_qdisc_ops __read_mostly = {
        .owner          =       THIS_MODULE,
 };
 
-static const u8 prio2band[TC_PRIO_MAX + 1] = {
-       1, 2, 2, 2, 1, 2, 0, 0 , 1, 1, 1, 1, 1, 1, 1, 1
+const u8 sch_default_prio2band[TC_PRIO_MAX + 1] = {
+       1, 2, 2, 2, 1, 2, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1
 };
+EXPORT_SYMBOL(sch_default_prio2band);
 
 /* 3-band FIFO queue: old style, but should be a bit faster than
    generic prio+fifo combination.
@@ -721,7 +722,7 @@ static inline struct skb_array *band2list(struct pfifo_fast_priv *priv,
 static int pfifo_fast_enqueue(struct sk_buff *skb, struct Qdisc *qdisc,
                              struct sk_buff **to_free)
 {
-       int band = prio2band[skb->priority & TC_PRIO_MAX];
+       int band = sch_default_prio2band[skb->priority & TC_PRIO_MAX];
        struct pfifo_fast_priv *priv = qdisc_priv(qdisc);
        struct skb_array *q = band2list(priv, band);
        unsigned int pkt_len = qdisc_pkt_len(skb);
@@ -830,7 +831,7 @@ static int pfifo_fast_dump(struct Qdisc *qdisc, struct sk_buff *skb)
 {
        struct tc_prio_qopt opt = { .bands = PFIFO_FAST_BANDS };
 
-       memcpy(&opt.priomap, prio2band, TC_PRIO_MAX + 1);
+       memcpy(&opt.priomap, sch_default_prio2band, TC_PRIO_MAX + 1);
        if (nla_put(skb, TCA_OPTIONS, sizeof(opt), &opt))
                goto nla_put_failure;
        return skb->len;