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authorThomas Graf <tgraf@suug.ch>2005-06-24 00:00:58 -0400
committerDavid S. Miller <davem@davemloft.net>2005-06-24 00:00:58 -0400
commitd675c989ed2d4ba23dff615330b04371aea83534 (patch)
tree856df6f7dc1fba81b134e2363e42dbf6022fa671 /include/linux
parent3fc7e8a6d842f72d16d2623b1022814a635ab961 (diff)
[PKT_SCHED]: Packet classification based on textsearch (ematch)
Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/pkt_cls.h1
-rw-r--r--include/linux/rtnetlink.h7
-rw-r--r--include/linux/tc_ematch/tc_em_text.h19
3 files changed, 25 insertions, 2 deletions
diff --git a/include/linux/pkt_cls.h b/include/linux/pkt_cls.h
index d2aa214d6803..25d2d67c1faf 100644
--- a/include/linux/pkt_cls.h
+++ b/include/linux/pkt_cls.h
@@ -408,6 +408,7 @@ enum
408 TCF_EM_NBYTE, 408 TCF_EM_NBYTE,
409 TCF_EM_U32, 409 TCF_EM_U32,
410 TCF_EM_META, 410 TCF_EM_META,
411 TCF_EM_TEXT,
411 __TCF_EM_MAX 412 __TCF_EM_MAX
412}; 413};
413 414
diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h
index e68dbf0bf579..d021888b58f1 100644
--- a/include/linux/rtnetlink.h
+++ b/include/linux/rtnetlink.h
@@ -892,10 +892,13 @@ extern void __rta_fill(struct sk_buff *skb, int attrtype, int attrlen, const voi
892 goto rtattr_failure; \ 892 goto rtattr_failure; \
893 __rta_fill(skb, attrtype, attrlen, data); }) 893 __rta_fill(skb, attrtype, attrlen, data); })
894 894
895#define RTA_PUT_NOHDR(skb, attrlen, data) \ 895#define RTA_APPEND(skb, attrlen, data) \
896({ if (unlikely(skb_tailroom(skb) < (int)(attrlen))) \ 896({ if (unlikely(skb_tailroom(skb) < (int)(attrlen))) \
897 goto rtattr_failure; \ 897 goto rtattr_failure; \
898 memcpy(skb_put(skb, RTA_ALIGN(attrlen)), data, attrlen); }) 898 memcpy(skb_put(skb, attrlen), data, attrlen); })
899
900#define RTA_PUT_NOHDR(skb, attrlen, data) \
901 RTA_APPEND(skb, RTA_ALIGN(attrlen), data)
899 902
900#define RTA_PUT_U8(skb, attrtype, value) \ 903#define RTA_PUT_U8(skb, attrtype, value) \
901({ u8 _tmp = (value); \ 904({ u8 _tmp = (value); \
diff --git a/include/linux/tc_ematch/tc_em_text.h b/include/linux/tc_ematch/tc_em_text.h
new file mode 100644
index 000000000000..7cd43e99c7f5
--- /dev/null
+++ b/include/linux/tc_ematch/tc_em_text.h
@@ -0,0 +1,19 @@
1#ifndef __LINUX_TC_EM_TEXT_H
2#define __LINUX_TC_EM_TEXT_H
3
4#include <linux/pkt_cls.h>
5
6#define TC_EM_TEXT_ALGOSIZ 16
7
8struct tcf_em_text
9{
10 char algo[TC_EM_TEXT_ALGOSIZ];
11 __u16 from_offset;
12 __u16 to_offset;
13 __u16 pattern_len;
14 __u8 from_layer:4;
15 __u8 to_layer:4;
16 __u8 pad;
17};
18
19#endif