[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>

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
         TCF_EM_NBYTE,
         TCF_EM_U32,
         TCF_EM_META,
+        TCF_EM_TEXT,
         __TCF_EM_MAX
 };
 
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
                  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); \
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 @@
+#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