You may see this discussion for more info:
http://marc.theaimsgroup.com/?t=116181395100002&r=1&w=2
----
Based on a patch by Patrick McHardy.
Add a new option, NET_SCH_FIFO, which provides a simple fifo qdisc
without requiring CONFIG_NET_SCHED.
The d80211 stack needs a generic fifo qdisc for WME. At present it
uses net/d80211/fifo_qdisc.c which is functionally equivalent to
sch_fifo.c. This patch will allow the d80211 stack to remove
net/d80211/fifo_qdisc.c and use sch_fifo.c instead.
Signed-off-by: David Kimdon <[EMAIL PROTECTED]>
Index: wireless-dev/net/sched/Kconfig
===================================================================
--- wireless-dev.orig/net/sched/Kconfig
+++ wireless-dev/net/sched/Kconfig
@@ -6,6 +6,7 @@ menu "QoS and/or fair queueing"
config NET_SCHED
bool "QoS and/or fair queueing"
+ select NET_SCH_FIFO
---help---
When the kernel has several packets to send out over a network
device, it has to decide which ones to send first, which ones to
@@ -40,6 +41,15 @@ config NET_SCHED
The available schedulers are listed in the following questions; you
can say Y to as many as you like. If unsure, say N now.
+config NET_SCH_FIFO
+ tristate "Simple Fifo Qdisc (PFIFO, BFIFO)"
+ ---help---
+ Say Y here if you want to use the simple pfifo or bfifo
+ packet scheduling algorithms.
+
+ To compile this code as a module, choose M here: the
+ module will be called sch_fifo.
+
if NET_SCHED
choice
Index: wireless-dev/net/sched/Makefile
===================================================================
--- wireless-dev.orig/net/sched/Makefile
+++ wireless-dev/net/sched/Makefile
@@ -4,7 +4,7 @@
obj-y := sch_generic.o
-obj-$(CONFIG_NET_SCHED) += sch_api.o sch_fifo.o sch_blackhole.o
+obj-$(CONFIG_NET_SCHED) += sch_api.o sch_blackhole.o
obj-$(CONFIG_NET_CLS) += cls_api.o
obj-$(CONFIG_NET_CLS_ACT) += act_api.o
obj-$(CONFIG_NET_ACT_POLICE) += act_police.o
@@ -14,6 +14,7 @@ obj-$(CONFIG_NET_ACT_MIRRED) += act_mirr
obj-$(CONFIG_NET_ACT_IPT) += act_ipt.o
obj-$(CONFIG_NET_ACT_PEDIT) += act_pedit.o
obj-$(CONFIG_NET_ACT_SIMP) += act_simple.o
+obj-$(CONFIG_NET_SCH_FIFO) += sch_fifo.o
obj-$(CONFIG_NET_SCH_CBQ) += sch_cbq.o
obj-$(CONFIG_NET_SCH_HTB) += sch_htb.o
obj-$(CONFIG_NET_SCH_HPFQ) += sch_hpfq.o
--
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