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author | Ilan Tayari | 2017-06-19 13:04:36 +0200 |
---|---|---|
committer | Saeed Mahameed | 2017-06-27 15:36:47 +0200 |
commit | 899a59d301bc0ccd312dd23d58899cfbbc94bead (patch) | |
tree | 688c2e2bfccf898149812b7798002dfba682a00c /drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.h | |
parent | net/mlx5e: IPSec, Innova IPSec offload infrastructure (diff) | |
download | kernel-qcow2-linux-899a59d301bc0ccd312dd23d58899cfbbc94bead.tar.gz kernel-qcow2-linux-899a59d301bc0ccd312dd23d58899cfbbc94bead.tar.xz kernel-qcow2-linux-899a59d301bc0ccd312dd23d58899cfbbc94bead.zip |
net/mlx5e: IPSec, Add Innova IPSec offload RX data path
In RX data path, the hardware prepends a special metadata ethertype
which indicates that the packet underwent decryption, and the result of
the authentication check.
Communicate this to the stack in skb->sp.
Make wqe_size large enough to account for the injected metadata.
Support only Linked-list RQ type.
IPSec offload RX packets may have useful CHECKSUM_COMPLETE information,
which the stack may not be able to use yet.
Signed-off-by: Ilan Tayari <ilant@mellanox.com>
Signed-off-by: Yossi Kuperman <yossiku@mellanox.com>
Signed-off-by: Yevgeny Kliteynik <kliteyn@mellanox.com>
Signed-off-by: Boris Pismenny <borisp@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.h')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.h b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.h new file mode 100644 index 000000000000..4e2fab8c5d74 --- /dev/null +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.h @@ -0,0 +1,44 @@ +/* + * Copyright (c) 2017 Mellanox Technologies. All rights reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * OpenIB.org BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + */ + +#ifndef __MLX5E_IPSEC_RXTX_H__ +#define __MLX5E_IPSEC_RXTX_H__ + +#include <linux/skbuff.h> +#include "en.h" + +struct sk_buff *mlx5e_ipsec_handle_rx_skb(struct net_device *netdev, + struct sk_buff *skb); +void mlx5e_ipsec_handle_rx_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe); + +#endif /* __MLX5E_IPSEC_RXTX_H__ */ |