kernel: remove linux 3.10 support

[openwrt/svn-archive/archive.git] / target / linux / generic / patches-3.10 / 663-remove_pfifo_fast.patch

diff --git a/target/linux/generic/patches-3.10/663-remove_pfifo_fast.patch b/target/linux/generic/patches-3.10/663-remove_pfifo_fast.patch
deleted file mode 100644 (file)
index 36f11ce..0000000
--- a/target/linux/generic/patches-3.10/663-remove_pfifo_fast.patch
+++ /dev/null
@@ -1,144 +0,0 @@
---- a/net/sched/sch_generic.c
-+++ b/net/sched/sch_generic.c
-@@ -392,141 +392,6 @@ static struct Qdisc noqueue_qdisc = {
-       .busylock       =       __SPIN_LOCK_UNLOCKED(noqueue_qdisc.busylock),
- };
- 
--
--static const u8 prio2band[TC_PRIO_MAX + 1] = {
--      1, 2, 2, 2, 1, 2, 0, 0 , 1, 1, 1, 1, 1, 1, 1, 1
--};
--
--/* 3-band FIFO queue: old style, but should be a bit faster than
--   generic prio+fifo combination.
-- */
--
--#define PFIFO_FAST_BANDS 3
--
--/*
-- * Private data for a pfifo_fast scheduler containing:
-- *    - queues for the three band
-- *    - bitmap indicating which of the bands contain skbs
-- */
--struct pfifo_fast_priv {
--      u32 bitmap;
--      struct sk_buff_head q[PFIFO_FAST_BANDS];
--};
--
--/*
-- * Convert a bitmap to the first band number where an skb is queued, where:
-- *    bitmap=0 means there are no skbs on any band.
-- *    bitmap=1 means there is an skb on band 0.
-- *    bitmap=7 means there are skbs on all 3 bands, etc.
-- */
--static const int bitmap2band[] = {-1, 0, 1, 0, 2, 0, 1, 0};
--
--static inline struct sk_buff_head *band2list(struct pfifo_fast_priv *priv,
--                                           int band)
--{
--      return priv->q + band;
--}
--
--static int pfifo_fast_enqueue(struct sk_buff *skb, struct Qdisc *qdisc)
--{
--      if (skb_queue_len(&qdisc->q) < qdisc_dev(qdisc)->tx_queue_len) {
--              int band = prio2band[skb->priority & TC_PRIO_MAX];
--              struct pfifo_fast_priv *priv = qdisc_priv(qdisc);
--              struct sk_buff_head *list = band2list(priv, band);
--
--              priv->bitmap |= (1 << band);
--              qdisc->q.qlen++;
--              return __qdisc_enqueue_tail(skb, qdisc, list);
--      }
--
--      return qdisc_drop(skb, qdisc);
--}
--
--static struct sk_buff *pfifo_fast_dequeue(struct Qdisc *qdisc)
--{
--      struct pfifo_fast_priv *priv = qdisc_priv(qdisc);
--      int band = bitmap2band[priv->bitmap];
--
--      if (likely(band >= 0)) {
--              struct sk_buff_head *list = band2list(priv, band);
--              struct sk_buff *skb = __qdisc_dequeue_head(qdisc, list);
--
--              qdisc->q.qlen--;
--              if (skb_queue_empty(list))
--                      priv->bitmap &= ~(1 << band);
--
--              return skb;
--      }
--
--      return NULL;
--}
--
--static struct sk_buff *pfifo_fast_peek(struct Qdisc *qdisc)
--{
--      struct pfifo_fast_priv *priv = qdisc_priv(qdisc);
--      int band = bitmap2band[priv->bitmap];
--
--      if (band >= 0) {
--              struct sk_buff_head *list = band2list(priv, band);
--
--              return skb_peek(list);
--      }
--
--      return NULL;
--}
--
--static void pfifo_fast_reset(struct Qdisc *qdisc)
--{
--      int prio;
--      struct pfifo_fast_priv *priv = qdisc_priv(qdisc);
--
--      for (prio = 0; prio < PFIFO_FAST_BANDS; prio++)
--              __qdisc_reset_queue(qdisc, band2list(priv, prio));
--
--      priv->bitmap = 0;
--      qdisc->qstats.backlog = 0;
--      qdisc->q.qlen = 0;
--}
--
--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);
--      if (nla_put(skb, TCA_OPTIONS, sizeof(opt), &opt))
--              goto nla_put_failure;
--      return skb->len;
--
--nla_put_failure:
--      return -1;
--}
--
--static int pfifo_fast_init(struct Qdisc *qdisc, struct nlattr *opt)
--{
--      int prio;
--      struct pfifo_fast_priv *priv = qdisc_priv(qdisc);
--
--      for (prio = 0; prio < PFIFO_FAST_BANDS; prio++)
--              skb_queue_head_init(band2list(priv, prio));
--
--      /* Can by-pass the queue discipline */
--      qdisc->flags |= TCQ_F_CAN_BYPASS;
--      return 0;
--}
--
--struct Qdisc_ops pfifo_fast_ops __read_mostly = {
--      .id             =       "pfifo_fast",
--      .priv_size      =       sizeof(struct pfifo_fast_priv),
--      .enqueue        =       pfifo_fast_enqueue,
--      .dequeue        =       pfifo_fast_dequeue,
--      .peek           =       pfifo_fast_peek,
--      .init           =       pfifo_fast_init,
--      .reset          =       pfifo_fast_reset,
--      .dump           =       pfifo_fast_dump,
--      .owner          =       THIS_MODULE,
--};
--EXPORT_SYMBOL(pfifo_fast_ops);
--
- static struct lock_class_key qdisc_tx_busylock;
- 
- struct Qdisc *qdisc_alloc(struct netdev_queue *dev_queue,