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authorJiri Pirko <jiri@mellanox.com>2017-06-06 14:12:02 +0200
committerDavid S. Miller <davem@davemloft.net>2017-06-06 12:45:23 -0400
commite25ea21ffa66a029acfa89d2611c0e7ef23e7d8c (patch)
tree3e8fbece4830c9e608bc3f324a896b04d6efa288 /include/uapi/linux/pkt_cls.h
parent928a759593d21ec184536bde0b4816d21bcd5a86 (diff)
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net: sched: introduce a TRAP control action
There is need to instruct the HW offloaded path to push certain matched packets to cpu/kernel for further analysis. So this patch introduces a new TRAP control action to TC. For kernel datapath, this action does not make much sense. So with the same logic as in HW, new TRAP behaves similar to STOLEN. The skb is just dropped in the datapath (and virtually ejected to an upper level, which does not exist in case of kernel). Signed-off-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: Yotam Gigi <yotamg@mellanox.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/uapi/linux/pkt_cls.h')
-rw-r--r--include/uapi/linux/pkt_cls.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/uapi/linux/pkt_cls.h b/include/uapi/linux/pkt_cls.h
index edf43ddf47b0..2055783e6ee9 100644
--- a/include/uapi/linux/pkt_cls.h
+++ b/include/uapi/linux/pkt_cls.h
@@ -37,6 +37,13 @@ enum {
#define TC_ACT_QUEUED 5
#define TC_ACT_REPEAT 6
#define TC_ACT_REDIRECT 7
+#define TC_ACT_TRAP 8 /* For hw path, this means "trap to cpu"
+ * and don't further process the frame
+ * in hardware. For sw path, this is
+ * equivalent of TC_ACT_STOLEN - drop
+ * the skb and act like everything
+ * is alright.
+ */
/* There is a special kind of actions called "extended actions",
* which need a value parameter. These have a local opcode located in