From 46c7d0d1ab610701b91ac9ba465e63f51e80ee06 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Mon, 7 Mar 2016 17:56:58 +0000
Subject: kernel: remove linux 4.3 support
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 48955
---
.../patches-4.3/663-remove_pfifo_fast.patch | 142 ---------------------
1 file changed, 142 deletions(-)
delete mode 100644 target/linux/generic/patches-4.3/663-remove_pfifo_fast.patch
(limited to 'target/linux/generic/patches-4.3/663-remove_pfifo_fast.patch')
diff --git a/target/linux/generic/patches-4.3/663-remove_pfifo_fast.patch b/target/linux/generic/patches-4.3/663-remove_pfifo_fast.patch
deleted file mode 100644
index d28835b..0000000
--- a/target/linux/generic/patches-4.3/663-remove_pfifo_fast.patch
+++ /dev/null
@@ -1,142 +0,0 @@
---- a/net/sched/sch_generic.c
-+++ b/net/sched/sch_generic.c
-@@ -435,139 +435,6 @@ struct Qdisc_ops noqueue_qdisc_ops __rea
- .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
--};
--
--/* 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,
--};
--
- static struct lock_class_key qdisc_tx_busylock;
-
- struct Qdisc *qdisc_alloc(struct netdev_queue *dev_queue,
--
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