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net/mlx5: Add flow-steering commands for FPGA IPSec implementation

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In order to add a context to the FPGA, we need to get both the software
transform context (which includes the keys, etc) and the
source/destination IPs (which are included in the steering
rule). Therefore, we register new set of firmware like commands for
the FPGA. Each time a rule is added, the steering core infrastructure
calls the FPGA command layer. If the rule is intended for the FPGA,
it combines the IPs information with the software transformation
context and creates the respective hardware transform.
Afterwards, it calls the standard steering command layer.

Signed-off-by: Aviad Yehezkel <aviadye@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Aviad Yehezkel
2018-02-18 15:07:20 +02:00
committed by Saeed Mahameed
parent d6c4f0298c
commit 05564d0ae0
7 changed files with 770 additions and 0 deletions
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3
include/linux/mlx5/fs.h
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@@ -40,6 +40,8 @@
enum {
MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO = 1 << 16,
MLX5_FLOW_CONTEXT_ACTION_ENCRYPT = 1 << 17,
MLX5_FLOW_CONTEXT_ACTION_DECRYPT = 1 << 18,
};
enum {
@@ -146,6 +148,7 @@ struct mlx5_flow_act {
u32 flow_tag;
u32 encap_id;
u32 modify_id;
uintptr_t esp_id;
};
#define MLX5_DECLARE_FLOW_ACT(name) \