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| author | Tariq Toukan <tariqt@mellanox.com> | 2020-06-16 15:15:06 +0300 |
|---|---|---|
| committer | Saeed Mahameed <saeedm@mellanox.com> | 2020-06-27 14:00:23 -0700 |
| commit | 0419d8c9d8f8d825576a41b2bb1e6043f34d1ae0 (patch) | |
| tree | d26baee1a4837e94a4619a764012eace1dd6404c /drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls.c | |
| parent | ed9b7646b06a2ed2450dd9437fc7d1ad2783140c (diff) | |
| download | linux-stable-0419d8c9d8f8d825576a41b2bb1e6043f34d1ae0.tar.gz linux-stable-0419d8c9d8f8d825576a41b2bb1e6043f34d1ae0.tar.bz2 linux-stable-0419d8c9d8f8d825576a41b2bb1e6043f34d1ae0.zip | |
net/mlx5e: kTLS, Add kTLS RX resync support
Implement the RX resync procedure, using the TLS async resync API.
The HW offload of TLS decryption in RX side might get out-of-sync
due to out-of-order reception of packets.
This requires SW intervention to update the HW context and get it
back in-sync.
Performance:
CPU: Intel(R) Xeon(R) CPU E5-2687W v4 @ 3.00GHz, 24 cores, HT off
NIC: ConnectX-6 Dx 100GbE dual port
Goodput (app-layer throughput) comparison:
+---------------+-------+-------+---------+
| # connections | 1 | 4 | 8 |
+---------------+-------+-------+---------+
| SW (Gbps) | 7.26 | 24.70 | 50.30 |
+---------------+-------+-------+---------+
| HW (Gbps) | 18.50 | 64.30 | 92.90 |
+---------------+-------+-------+---------+
| Speedup | 2.55x | 2.56x | 1.85x * |
+---------------+-------+-------+---------+
* After linerate is reached, diff is observed in CPU util.
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls.c index d4ef016ab444..deec17af5a69 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls.c @@ -40,7 +40,11 @@ static int mlx5e_ktls_resync(struct net_device *netdev, struct sock *sk, u32 seq, u8 *rcd_sn, enum tls_offload_ctx_dir direction) { - return -EOPNOTSUPP; + if (unlikely(direction != TLS_OFFLOAD_CTX_DIR_RX)) + return -EOPNOTSUPP; + + mlx5e_ktls_rx_resync(netdev, sk, seq, rcd_sn); + return 0; } static const struct tlsdev_ops mlx5e_ktls_ops = { |