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IB/core: Introduce drop flow specification

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This flow steering specification identifies flow for drop by the HW.
If user create a flow only with the drop specification,
then all the packets that hit this flow will be dropped, otherwise the HW
will drop only the packets that match the other L2/L3/L4 specifications.

Signed-off-by: Slava Shwartsman <[email protected]>
Reviewed-by: Maor Gottlieb <[email protected]>
Signed-off-by: Leon Romanovsky <[email protected]>
Signed-off-by: Doug Ledford <[email protected]>
This commit is contained in:
Slava Shwartsman 2017-04-03 13:13:51 +03:00 • committed by Doug Ledford
commit 483a3966b5
4 changed files with 26 additions and 0 deletions
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7
include/rdma/ib_verbs.h
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@ -1679,6 +1679,7 @@ enum ib_flow_spec_type {
IB_FLOW_SPEC_INNER = 0x100,
/* Actions */
IB_FLOW_SPEC_ACTION_TAG = 0x1000,
IB_FLOW_SPEC_ACTION_DROP = 0x1001,
};
#define IB_FLOW_SPEC_LAYER_MASK 0xF0
#define IB_FLOW_SPEC_SUPPORT_LAYERS 8
@ -1807,6 +1808,11 @@ struct ib_flow_spec_action_tag {
u32 tag_id;
};
struct ib_flow_spec_action_drop {
enum ib_flow_spec_type type;
u16 size;
};
union ib_flow_spec {
struct {
u32 type;
@ -1819,6 +1825,7 @@ union ib_flow_spec {
struct ib_flow_spec_ipv6 ipv6;
struct ib_flow_spec_tunnel tunnel;
struct ib_flow_spec_action_tag flow_tag;
struct ib_flow_spec_action_drop drop;
};
struct ib_flow_attr {