2 * Copyright (c) 2017, Mellanox Technologies. All rights reserved.
4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * OpenIB.org BSD license below:
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and/or other materials
21 * provided with the distribution.
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
33 #ifndef __MLX5E_IPOB_H__
34 #define __MLX5E_IPOB_H__
36 #include <linux/mlx5/fs.h>
39 #define MLX5I_MAX_NUM_TC 1
41 extern const struct ethtool_ops mlx5i_ethtool_ops;
42 extern const struct ethtool_ops mlx5i_pkey_ethtool_ops;
44 #define MLX5_IB_GRH_BYTES 40
45 #define MLX5_IPOIB_ENCAP_LEN 4
46 #define MLX5_IPOIB_PSEUDO_LEN 20
47 #define MLX5_IPOIB_HARD_LEN (MLX5_IPOIB_PSEUDO_LEN + MLX5_IPOIB_ENCAP_LEN)
49 /* ipoib rdma netdev's private data structure */
51 struct rdma_netdev rn; /* keep this first */
52 struct mlx5_core_qp qp;
56 struct mlx5i_pkey_qpn_ht *qpn_htbl;
60 /* Underlay QP create/destroy functions */
61 int mlx5i_create_underlay_qp(struct mlx5_core_dev *mdev, struct mlx5_core_qp *qp);
62 void mlx5i_destroy_underlay_qp(struct mlx5_core_dev *mdev, struct mlx5_core_qp *qp);
64 /* Underlay QP state modification init/uninit functions */
65 int mlx5i_init_underlay_qp(struct mlx5e_priv *priv);
66 void mlx5i_uninit_underlay_qp(struct mlx5e_priv *priv);
68 /* Allocate/Free underlay QPN to net-device hash table */
69 int mlx5i_pkey_qpn_ht_init(struct net_device *netdev);
70 void mlx5i_pkey_qpn_ht_cleanup(struct net_device *netdev);
72 /* Add/Remove an underlay QPN to net-device mapping to/from the hash table */
73 int mlx5i_pkey_add_qpn(struct net_device *netdev, u32 qpn);
74 int mlx5i_pkey_del_qpn(struct net_device *netdev, u32 qpn);
76 /* Get the net-device corresponding to the given underlay QPN */
77 struct net_device *mlx5i_pkey_get_netdev(struct net_device *netdev, u32 qpn);
79 /* Shared ndo functionts */
80 int mlx5i_dev_init(struct net_device *dev);
81 void mlx5i_dev_cleanup(struct net_device *dev);
83 /* Parent profile functions */
84 void mlx5i_init(struct mlx5_core_dev *mdev,
85 struct net_device *netdev,
86 const struct mlx5e_profile *profile,
89 /* Get child interface nic profile */
90 const struct mlx5e_profile *mlx5i_pkey_get_profile(void);
92 /* Extract mlx5e_priv from IPoIB netdev */
93 #define mlx5i_epriv(netdev) ((void *)(((struct mlx5i_priv *)netdev_priv(netdev))->mlx5e_priv))
95 netdev_tx_t mlx5i_sq_xmit(struct mlx5e_txqsq *sq, struct sk_buff *skb,
96 struct mlx5_av *av, u32 dqpn, u32 dqkey);
97 void mlx5i_handle_rx_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe);
99 #endif /* __MLX5E_IPOB_H__ */