diff options
Diffstat (limited to 'net/sched/sch_fifo.c')
| -rw-r--r-- | net/sched/sch_fifo.c | 50 |
1 files changed, 12 insertions, 38 deletions
diff --git a/net/sched/sch_fifo.c b/net/sched/sch_fifo.c index 83a4db4d3cdc..033083bf0e74 100644 --- a/net/sched/sch_fifo.c +++ b/net/sched/sch_fifo.c @@ -11,39 +11,21 @@ #include <linux/config.h> #include <linux/module.h> -#include <asm/uaccess.h> -#include <asm/system.h> -#include <linux/bitops.h> #include <linux/types.h> #include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/string.h> -#include <linux/mm.h> -#include <linux/socket.h> -#include <linux/sockios.h> -#include <linux/in.h> #include <linux/errno.h> -#include <linux/interrupt.h> -#include <linux/if_ether.h> -#include <linux/inet.h> #include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/notifier.h> -#include <net/ip.h> -#include <net/route.h> #include <linux/skbuff.h> -#include <net/sock.h> #include <net/pkt_sched.h> /* 1 band FIFO pseudo-"scheduler" */ struct fifo_sched_data { - unsigned limit; + u32 limit; }; -static int -bfifo_enqueue(struct sk_buff *skb, struct Qdisc* sch) +static int bfifo_enqueue(struct sk_buff *skb, struct Qdisc* sch) { struct fifo_sched_data *q = qdisc_priv(sch); @@ -53,8 +35,7 @@ bfifo_enqueue(struct sk_buff *skb, struct Qdisc* sch) return qdisc_reshape_fail(skb, sch); } -static int -pfifo_enqueue(struct sk_buff *skb, struct Qdisc* sch) +static int pfifo_enqueue(struct sk_buff *skb, struct Qdisc* sch) { struct fifo_sched_data *q = qdisc_priv(sch); @@ -69,40 +50,37 @@ static int fifo_init(struct Qdisc *sch, struct rtattr *opt) struct fifo_sched_data *q = qdisc_priv(sch); if (opt == NULL) { - unsigned int limit = sch->dev->tx_queue_len ? : 1; + u32 limit = sch->dev->tx_queue_len ? : 1; if (sch->ops == &bfifo_qdisc_ops) - q->limit = limit*sch->dev->mtu; - else - q->limit = limit; + limit *= sch->dev->mtu; + + q->limit = limit; } else { struct tc_fifo_qopt *ctl = RTA_DATA(opt); - if (opt->rta_len < RTA_LENGTH(sizeof(*ctl))) + + if (RTA_PAYLOAD(opt) < sizeof(*ctl)) return -EINVAL; + q->limit = ctl->limit; } + return 0; } static int fifo_dump(struct Qdisc *sch, struct sk_buff *skb) { struct fifo_sched_data *q = qdisc_priv(sch); - unsigned char *b = skb->tail; - struct tc_fifo_qopt opt; + struct tc_fifo_qopt opt = { .limit = q->limit }; - opt.limit = q->limit; RTA_PUT(skb, TCA_OPTIONS, sizeof(opt), &opt); - return skb->len; rtattr_failure: - skb_trim(skb, b - skb->data); return -1; } struct Qdisc_ops pfifo_qdisc_ops = { - .next = NULL, - .cl_ops = NULL, .id = "pfifo", .priv_size = sizeof(struct fifo_sched_data), .enqueue = pfifo_enqueue, @@ -111,15 +89,12 @@ struct Qdisc_ops pfifo_qdisc_ops = { .drop = qdisc_queue_drop, .init = fifo_init, .reset = qdisc_reset_queue, - .destroy = NULL, .change = fifo_init, .dump = fifo_dump, .owner = THIS_MODULE, }; struct Qdisc_ops bfifo_qdisc_ops = { - .next = NULL, - .cl_ops = NULL, .id = "bfifo", .priv_size = sizeof(struct fifo_sched_data), .enqueue = bfifo_enqueue, @@ -128,7 +103,6 @@ struct Qdisc_ops bfifo_qdisc_ops = { .drop = qdisc_queue_drop, .init = fifo_init, .reset = qdisc_reset_queue, - .destroy = NULL, .change = fifo_init, .dump = fifo_dump, .owner = THIS_MODULE, |