[PATCH 2.6.23+] ingress classify to [nf]mark

[Dzianis Kahanovich <mahatma@bspu.unibel.by>]

To "classid x:y" = "mark=mark&x|y" ("classid :y" = "-j MARK --set-mark y", etc).

--- linux-2.6.23-gentoo-r2/net/sched/Kconfig
+++ linux-2.6.23-gentoo-r2.fixed/net/sched/Kconfig
@@ -222,6 +222,16 @@
  	  To compile this code as a module, choose M here: the
  	  module will be called sch_ingress.

+config NET_SCH_INGRESS_TC2MARK
+	bool "ingress classify -> mark"
+	depends on NET_SCH_INGRESS && NET_CLS_ACT
+	---help---
+	  This enables access to "mark" value via "classid"
+	  Example: set "tc filter ... flowid|classid 1:2"
+	  eq "netfilter mark" mark=mark&1|2
+	
+	  But classid may be undefined (?) - use "flowid :0".
+
  comment "Classification"

  config NET_CLS
--- linux-2.6.23-gentoo-r2/net/sched/sch_ingress.c
+++ linux-2.6.23-gentoo-r2.fixed/net/sched/sch_ingress.c
@@ -161,2 +161,5 @@
  			skb->tc_index = TC_H_MIN(res.classid);
+#ifdef CONFIG_NET_SCH_INGRESS_TC2MARK
+			skb->mark = (skb->mark&(res.classid>>16))|TC_H_MIN(res.classid);
+#endif
  		default:


-- 
WBR,
Denis Kaganovich,  mahatma@eu.by  http://mahatma.bspu.unibel.by