diff options
Diffstat (limited to 'target/linux/generic/patches-3.8/663-remove_pfifo_fast.patch')
| -rw-r--r-- | target/linux/generic/patches-3.8/663-remove_pfifo_fast.patch | 144 |
1 files changed, 0 insertions, 144 deletions
diff --git a/target/linux/generic/patches-3.8/663-remove_pfifo_fast.patch b/target/linux/generic/patches-3.8/663-remove_pfifo_fast.patch deleted file mode 100644 index c4bfd9d2e9..0000000000 --- a/target/linux/generic/patches-3.8/663-remove_pfifo_fast.patch +++ /dev/null @@ -1,144 +0,0 @@ ---- a/net/sched/sch_generic.c -+++ b/net/sched/sch_generic.c -@@ -391,141 +391,6 @@ 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, |