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authorRaed Salem <raeds@mellanox.com>2019-10-24 16:11:28 +0300
committerSaeed Mahameed <saeedm@mellanox.com>2020-07-17 02:36:49 +0300
commitb2ac7541e3777f325c49d900550c9e3dd10c0eda (patch)
treee456083ce977e62e914998f54ee81b391e7ab04e /drivers/pps
parent5e466345291a91d1722e7198497198becda29e22 (diff)
downloadlinux-b2ac7541e3777f325c49d900550c9e3dd10c0eda.tar.xz
net/mlx5e: IPsec: Add Connect-X IPsec Rx data path offload
On receive flow inspect received packets for IPsec offload indication using the cqe, for IPsec offloaded packets propagate offload status and stack handle to stack for further processing. Supported statuses: - Offload ok. - Authentication failure. - Bad trailer indication. Connect-X IPsec does not use mlx5e_ipsec_handle_rx_cqe. For RX only offload, we see the BW gain. Below is the iperf3 performance report on two server of 24 cores Intel(R) Xeon(R) CPU E5-2620 v3 @ 2.40GHz with ConnectX6-DX. We use one thread per IPsec tunnel. --------------------------------------------------------------------- Mode | Num tunnel | BW | Send CPU util | Recv CPU util | | (Gbps) | (Average %) | (Average %) --------------------------------------------------------------------- Cryto offload | 1 | 4.6 | 4.2 | 14.5 --------------------------------------------------------------------- Cryto offload | 24 | 38 | 73 | 63 --------------------------------------------------------------------- Non-offload | 1 | 4 | 4 | 13 --------------------------------------------------------------------- Non-offload | 24 | 23 | 52 | 67 Signed-off-by: Raed Salem <raeds@mellanox.com> Reviewed-by: Boris Pismenny <borisp@mellanox.com> Reviewed-by: Tariq Toukan <tariqt@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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