Commit d675c989 authored by Thomas Graf's avatar Thomas Graf Committed by David S. Miller
Browse files

[PKT_SCHED]: Packet classification based on textsearch (ematch) 



Signed-off-by: default avatarThomas Graf <tgraf@suug.ch>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 3fc7e8a6

include/linux/pkt_cls.h

+1 −0
Original line number Diff line number Diff line
@@ -408,6 +408,7 @@ enum 
	TCF_EM_NBYTE,

	TCF_EM_U32,

	TCF_EM_META,

	TCF_EM_TEXT,

	__TCF_EM_MAX

};

include/linux/rtnetlink.h

+5 −2
Original line number Diff line number Diff line
@@ -892,10 +892,13 @@ extern void __rta_fill(struct sk_buff *skb, int attrtype, int attrlen, const voi 
		 goto rtattr_failure; \

   	__rta_fill(skb, attrtype, attrlen, data); }) 



#define RTA_PUT_NOHDR(skb, attrlen, data) \

#define RTA_APPEND(skb, attrlen, data) \

({	if (unlikely(skb_tailroom(skb) < (int)(attrlen))) \

		goto rtattr_failure; \

	memcpy(skb_put(skb, RTA_ALIGN(attrlen)), data, attrlen); })

	memcpy(skb_put(skb, attrlen), data, attrlen); })



#define RTA_PUT_NOHDR(skb, attrlen, data) \

	RTA_APPEND(skb, RTA_ALIGN(attrlen), data)



#define RTA_PUT_U8(skb, attrtype, value) \

({	u8 _tmp = (value); \

include/linux/tc_ematch/tc_em_text.h

0 → 100644
+19 −0
Original line number Diff line number Diff line 
#ifndef __LINUX_TC_EM_TEXT_H

#define __LINUX_TC_EM_TEXT_H



#include <linux/pkt_cls.h>



#define TC_EM_TEXT_ALGOSIZ	16



struct tcf_em_text

{

	char		algo[TC_EM_TEXT_ALGOSIZ];

	__u16		from_offset;

	__u16		to_offset;

	__u16		pattern_len;

	__u8		from_layer:4;

	__u8		to_layer:4;

	__u8		pad;

};



#endif

net/sched/Kconfig

+11 −0
Original line number Diff line number Diff line
@@ -449,6 +449,17 @@ config NET_EMATCH_META 
	  To compile this code as a module, choose M here: the

	  module will be called em_meta.



config NET_EMATCH_TEXT

	tristate "Textsearch"

	depends on NET_EMATCH

	---help---

	  Say Y here if you want to be ablt to classify packets based on

	  textsearch comparisons. Please select the appropriate textsearch

	  algorithms in the Library section.



	  To compile this code as a module, choose M here: the

	  module will be called em_text.



config NET_CLS_ACT

	bool "Packet ACTION"

	depends on EXPERIMENTAL && NET_CLS && NET_QOS

net/sched/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -40,3 +40,4 @@ obj-$(CONFIG_NET_EMATCH_CMP) += em_cmp.o 
obj-$(CONFIG_NET_EMATCH_NBYTE)	+= em_nbyte.o

obj-$(CONFIG_NET_EMATCH_U32)	+= em_u32.o

obj-$(CONFIG_NET_EMATCH_META)	+= em_meta.o

obj-$(CONFIG_NET_EMATCH_TEXT)	+= em_text.o