luci-app-sqm: backport package from trunk

Backport of luci-app-sqm package from trunk.
I have been using it in my BB14.07 build without any problems.

Signed-off-by: Hannu Nyman <hannu.nyman@iki.fi>

net/luci-app-sqm/Makefile

+#
+# Copyright (C) 2014 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=luci-app-sqm
+PKG_VERSION:=3
+PKG_RELEASE:=1
+PKG_LICENSE:=GPLv2
+LUCI_DIR:=/usr/lib/lua/luci
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/luci-app-sqm
+  SECTION:=luci
+  CATEGORY:=LuCI
+  TITLE:=SQM Scripts - LuCI interface
+  MAINTAINER:=Toke Høiland-Jørgensen <toke@toke.dk>
+  PKGARCH:=all
+  DEPENDS:= lua luci-base +sqm-scripts
+  SUBMENU:=3. Applications
+endef
+
+define Package/luci-app-sqm/description
+	Control the simple_qos SQM script
+endef
+
+define Build/Compile
+endef
+
+define Build/Configure
+endef
+
+define Package/luci-app-sqm/install
+	$(INSTALL_DIR) $(1)$(LUCI_DIR)/controller $(1)$(LUCI_DIR)/model/cbi
+	$(INSTALL_DATA) ./files/sqm-controller.lua $(1)$(LUCI_DIR)/controller/sqm.lua
+	$(INSTALL_DATA) ./files/sqm-cbi.lua $(1)$(LUCI_DIR)/model/cbi/sqm.lua
+	$(INSTALL_DIR) $(1)/etc/uci-defaults
+	$(INSTALL_BIN) ./files/uci-defaults-sqm $(1)/etc/uci-defaults/luci-sqm
+endef
+
+define Package/luci-app-sqm/postinst
+#!/bin/sh
+which uci > /dev/null || exit 0
+uci -q get ucitrack.@sqm[0] > /dev/null || {
+  uci add ucitrack sqm > /dev/null
+  uci set ucitrack.@sqm[0].init=sqm
+  uci add_list ucitrack.@firewall[0].affects=sqm
+  uci commit
+}
+endef
+
+define Package/luci-app-sqm/postrm
+#!/bin/sh
+which uci > /dev/null || exit 0
+uci -q get ucitrack.@sqm[0] > /dev/null && {
+  uci delete ucitrack.@sqm[0]
+  uci del_list ucitrack.@firewall[0].affects=sqm
+  uci commit
+}
+endef
+
+$(eval $(call BuildPackage,luci-app-sqm))

net/luci-app-sqm/files/sqm-cbi.lua

+--[[
+LuCI - Lua Configuration Interface
+
+Copyright 2014 Steven Barth <steven@midlink.org>
+Copyright 2014 Dave Taht <dave.taht@bufferbloat.net>
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+	http://www.apache.org/licenses/LICENSE-2.0
+
+$Id$
+]]--
+
+local wa = require "luci.tools.webadmin"
+local fs = require "nixio.fs"
+local net = require "luci.model.network".init()
+local sys = require "luci.sys"
+--local ifaces = net:get_interfaces()
+local ifaces = sys.net:devices()
+local path = "/usr/lib/sqm"
+
+m = Map("sqm", translate("Smart Queue Management"),
+	translate("With <abbr title=\"Smart Queue Management\">SQM</abbr> you " ..
+		"can enable traffic shaping, better mixing (Fair Queueing)," ..
+		" active queue length management (AQM) " ..
+		" and prioritisation on one " ..
+		"network interface."))
+
+s = m:section(TypedSection, "queue", translate("Queues"))
+s:tab("tab_basic", translate("Basic Settings"))
+s:tab("tab_qdisc", translate("Queue Discipline"))
+s:tab("tab_linklayer", translate("Link Layer Adaptation"))
+s.addremove = true -- set to true to allow adding SQM instances in the GUI
+s.anonymous = true
+
+-- BASIC
+e = s:taboption("tab_basic", Flag, "enabled", translate("Enable"))
+e.rmempty = false
+
+n = s:taboption("tab_basic", ListValue, "interface", translate("Interface name"))
+-- sm lifted from luci-app-wol, the original implementation failed to show pppoe-ge00 type interface names
+for _, iface in ipairs(ifaces) do
+--     if iface:is_up() then
+--	n:value(iface:name())
+--     end
+	if iface ~= "lo" then 
+		n:value(iface) 
+	end
+end
+n.rmempty = false
+
+
+dl = s:taboption("tab_basic", Value, "download", translate("Download speed (kbit/s) (ingress):"))
+dl.datatype = "and(uinteger,min(0))"
+dl.rmempty = false
+
+ul = s:taboption("tab_basic", Value, "upload", translate("Upload speed (kbit/s) (egress):"))
+ul.datatype = "and(uinteger,min(0))"
+ul.rmempty = false
+
+-- QDISC
+
+c = s:taboption("tab_qdisc", ListValue, "qdisc", translate("Queueing discipline"))
+c:value("fq_codel", "fq_codel ("..translate("default")..")")
+c:value("efq_codel")
+c:value("nfq_codel")
+c:value("sfq")
+c:value("codel")
+c:value("ns2_codel")
+c:value("pie")
+c:value("sfq")
+c.default = "fq_codel"
+c.rmempty = false
+
+local qos_desc = ""
+sc = s:taboption("tab_qdisc", ListValue, "script", translate("Queue setup script"))
+for file in fs.dir(path) do
+  if string.find(file, ".qos$") then
+    sc:value(file)
+  end
+  if string.find(file, ".qos.help$") then
+    fh = io.open(path .. "/" .. file, "r")
+    qos_desc = qos_desc .. "<p><b>" .. file:gsub(".help$", "") .. ":</b><br />" .. fh:read("*a") .. "</p>"
+  end
+end
+sc.default = "simple.qos"
+sc.rmempty = false
+sc.description = qos_desc
+
+ad = s:taboption("tab_qdisc", Flag, "qdisc_advanced", translate("Show Advanced Configuration"))
+ad.default = false
+ad.rmempty = true
+
+squash_dscp  = s:taboption("tab_qdisc", ListValue, "squash_dscp", translate("Squash DSCP on inbound packets (ingress):"))
+squash_dscp:value("1", "SQUASH")
+squash_dscp:value("0", "DO NOT SQUASH")
+squash_dscp.default = "1"
+squash_dscp.rmempty = true
+squash_dscp:depends("qdisc_advanced", "1")
+
+squash_ingress = s:taboption("tab_qdisc", ListValue, "squash_ingress", translate("Ignore DSCP on ingress:"))
+squash_ingress:value("1", "Ignore")
+squash_ingress:value("0", "Allow")
+squash_ingress.default = "1"
+squash_ingress.rmempty = true
+squash_ingress:depends("qdisc_advanced", "1")
+
+iecn = s:taboption("tab_qdisc", ListValue, "ingress_ecn", translate("Explicit congestion notification (ECN) status on inbound packets (ingress):"))
+iecn:value("ECN", "ECN ("..translate("default")..")")
+iecn:value("NOECN")
+iecn.default = "ECN"
+iecn.rmempty = true
+iecn:depends("qdisc_advanced", "1")
+
+eecn = s:taboption("tab_qdisc", ListValue, "egress_ecn", translate("Explicit congestion notification (ECN) status on outbound packets (egress)."))
+eecn:value("NOECN", "NOECN ("..translate("default")..")")
+eecn:value("ECN")
+eecn.default = "NOECN"
+eecn.rmempty = true
+eecn:depends("qdisc_advanced", "1")
+
+ad2 = s:taboption("tab_qdisc", Flag, "qdisc_really_really_advanced", translate("Show Dangerous Configuration"))
+ad2.default = false
+ad2.rmempty = true
+ad2:depends("qdisc_advanced", "1")
+
+ilim = s:taboption("tab_qdisc", Value, "ilimit", translate("Hard limit on ingress queues; leave empty for default."))
+-- ilim.default = 1000
+ilim.isnumber = true
+ilim.datatype = "and(uinteger,min(0))"
+ilim.rmempty = true
+ilim:depends("qdisc_really_really_advanced", "1")
+
+elim = s:taboption("tab_qdisc", Value, "elimit", translate("Hard limit on egress queues; leave empty for default."))
+-- elim.default = 1000
+elim.datatype = "and(uinteger,min(0))"
+elim.rmempty = true
+elim:depends("qdisc_really_really_advanced", "1")
+
+
+itarg = s:taboption("tab_qdisc", Value, "itarget", translate("Latency target for ingress, e.g 5ms [units: s, ms, or  us]; leave empty for default, or auto for automatic selection."))
+itarg.datatype = "string"
+itarg.rmempty = true
+itarg:depends("qdisc_really_really_advanced", "1")
+
+etarg = s:taboption("tab_qdisc", Value, "etarget", translate("Latency target for egress, e.g. 5ms [units: s, ms, or  us]; leave empty for default, or auto for automatic selection."))
+etarg.datatype = "string"
+etarg.rmempty = true
+etarg:depends("qdisc_really_really_advanced", "1")
+
+
+
+iqdisc_opts = s:taboption("tab_qdisc", Value, "iqdisc_opts", translate("Advanced option string to pass to the ingress queueing disciplines; no error checking, use very carefully."))
+iqdisc_opts.rmempty = true
+iqdisc_opts:depends("qdisc_really_really_advanced", "1")
+
+eqdisc_opts = s:taboption("tab_qdisc", Value, "eqdisc_opts", translate("Advanced option string to pass to the egress queueing disciplines; no error checking, use very carefully."))
+eqdisc_opts.rmempty = true
+eqdisc_opts:depends("qdisc_really_really_advanced", "1")
+
+-- LINKLAYER
+ll = s:taboption("tab_linklayer", ListValue, "linklayer", translate("Which link layer to account for:"))
+ll:value("none", "none ("..translate("default")..")")
+ll:value("ethernet", "Ethernet with overhead: select for e.g. VDSL2.")
+ll:value("atm", "ATM: select for e.g. ADSL1, ADSL2, ADSL2+.")
+-- ll:value("adsl")	-- reduce the options
+ll.default = "none"
+
+po = s:taboption("tab_linklayer", Value, "overhead", translate("Per Packet Overhead (byte):"))
+po.datatype = "and(integer,min(-1500))"
+po.default = 0
+po.isnumber = true
+po.rmempty = true
+po:depends("linklayer", "ethernet")
+-- po:depends("linklayer", "adsl")
+po:depends("linklayer", "atm")
+
+
+adll = s:taboption("tab_linklayer", Flag, "linklayer_advanced", translate("Show Advanced Linklayer Options, (only needed if MTU > 1500)"))
+adll.rmempty = true
+adll:depends("linklayer", "ethernet")
+-- adll:depends("linklayer", "adsl")
+adll:depends("linklayer", "atm")
+
+smtu = s:taboption("tab_linklayer", Value, "tcMTU", translate("Maximal Size for size and rate calculations, tcMTU (byte); needs to be >= interface MTU + overhead:"))
+smtu.datatype = "and(uinteger,min(0))"
+smtu.default = 2047
+smtu.isnumber = true
+smtu.rmempty = true
+smtu:depends("linklayer_advanced", "1")
+
+stsize = s:taboption("tab_linklayer", Value, "tcTSIZE", translate("Number of entries in size/rate tables, TSIZE; for ATM choose TSIZE = (tcMTU + 1) / 16:"))
+stsize.datatype = "and(uinteger,min(0))"
+stsize.default = 128
+stsize.isnumber = true
+stsize.rmempty = true
+stsize:depends("linklayer_advanced", "1")
+
+smpu = s:taboption("tab_linklayer", Value, "tcMPU", translate("Minimal packet size, MPU (byte); needs to be > 0 for ethernet size tables:"))
+smpu.datatype = "and(uinteger,min(0))"
+smpu.default = 0
+smpu.isnumber = true
+smpu.rmempty = true
+smpu:depends("linklayer_advanced", "1")
+
+lla = s:taboption("tab_linklayer", ListValue, "linklayer_adaptation_mechanism", translate("Which linklayer adaptation mechanism to use; for testing only"))
+lla:value("htb_private")
+lla:value("tc_stab", "tc_stab ("..translate("default")..")")
+lla.default = "tc_stab"
+lla.rmempty = true
+lla:depends("linklayer_advanced", "1")
+
+-- PRORITIES?
+
+return m

net/luci-app-sqm/files/sqm-controller.lua

+--[[
+LuCI - Lua Configuration Interface
+
+Copyright 2008 Steven Barth <steven@midlink.org>
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+	http://www.apache.org/licenses/LICENSE-2.0
+
+$Id$
+]]--
+
+module("luci.controller.sqm", package.seeall)
+
+function index()
+	if not nixio.fs.access("/etc/config/sqm") then
+		return
+	end
+	
+	local page
+
+	page = entry({"admin", "network", "sqm"}, cbi("sqm"), _("SQM QoS"))
+	page.dependent = true
+end

net/luci-app-sqm/files/uci-defaults-sqm

+#!/bin/sh
+
+uci -q batch <<-EOF >/dev/null
+	delete ucitrack.@sqm[-1]
+	add ucitrack sqm
+	set ucitrack.@sqm[-1].init=sqm
+        add_list ucitrack.@firewall[0].affects=sqm
+	commit ucitrack
+EOF
+
+rm -f /tmp/luci-indexcache
+exit 0