From 95acc4fe0e31ae91d485635c021d259e06785b5d Mon Sep 17 00:00:00 2001 From: Adrian Schmutzler Date: Fri, 7 Aug 2020 14:29:11 +0200 Subject: kernel: remove support for kernel 4.14 No target uses kernel 4.14 anymore. Signed-off-by: Adrian Schmutzler --- .../generic/hack-4.14/662-remove_pfifo_fast.patch | 159 --------------------- 1 file changed, 159 deletions(-) delete mode 100644 target/linux/generic/hack-4.14/662-remove_pfifo_fast.patch (limited to 'target/linux/generic/hack-4.14/662-remove_pfifo_fast.patch') diff --git a/target/linux/generic/hack-4.14/662-remove_pfifo_fast.patch b/target/linux/generic/hack-4.14/662-remove_pfifo_fast.patch deleted file mode 100644 index d1a17a4bac..0000000000 --- a/target/linux/generic/hack-4.14/662-remove_pfifo_fast.patch +++ /dev/null @@ -1,159 +0,0 @@ -From b531d492d5ef1cf9dba0f4888eb5fd8624a6d762 Mon Sep 17 00:00:00 2001 -From: Felix Fietkau -Date: Fri, 7 Jul 2017 17:23:42 +0200 -Subject: net: sched: switch default qdisc from pfifo_fast to fq_codel and remove pfifo_fast - -Signed-off-by: Felix Fietkau ---- - net/sched/sch_generic.c | 140 ------------------------------------------------ - 1 file changed, 140 deletions(-) - ---- a/net/sched/sch_generic.c -+++ b/net/sched/sch_generic.c -@@ -454,146 +454,6 @@ 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 qdisc_skb_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 qdisc_skb_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, -- struct sk_buff **to_free) --{ -- if (qdisc->q.qlen < qdisc_dev(qdisc)->tx_queue_len) { -- int band = prio2band[skb->priority & TC_PRIO_MAX]; -- struct pfifo_fast_priv *priv = qdisc_priv(qdisc); -- struct qdisc_skb_head *list = band2list(priv, band); -- -- priv->bitmap |= (1 << band); -- qdisc->q.qlen++; -- return __qdisc_enqueue_tail(skb, qdisc, list); -- } -- -- return qdisc_drop(skb, qdisc, to_free); --} -- --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 qdisc_skb_head *qh = band2list(priv, band); -- struct sk_buff *skb = __qdisc_dequeue_head(qh); -- -- if (likely(skb != NULL)) { -- qdisc_qstats_backlog_dec(qdisc, skb); -- qdisc_bstats_update(qdisc, skb); -- } -- -- qdisc->q.qlen--; -- if (qh->qlen == 0) -- 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 qdisc_skb_head *qh = band2list(priv, band); -- -- return qh->head; -- } -- -- 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(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++) -- qdisc_skb_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; - static struct lock_class_key qdisc_running_key; - -- cgit v1.2.3