1 /* 2 * Copyright (c) 2017, Mellanox Technologies. All rights reserved. 3 * 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: 9 * 10 * Redistribution and use in source and binary forms, with or 11 * without modification, are permitted provided that the following 12 * conditions are met: 13 * 14 * - Redistributions of source code must retain the above 15 * copyright notice, this list of conditions and the following 16 * disclaimer. 17 * 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. 22 * 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 27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30 * SOFTWARE. 31 */ 32 33 #ifndef __MLX5E_IPOB_H__ 34 #define __MLX5E_IPOB_H__ 35 36 #include <linux/mlx5/fs.h> 37 #include "en.h" 38 39 #define MLX5I_MAX_NUM_TC 1 40 41 extern const struct ethtool_ops mlx5i_ethtool_ops; 42 43 #define MLX5_IB_GRH_BYTES 40 44 #define MLX5_IPOIB_ENCAP_LEN 4 45 #define MLX5_IPOIB_PSEUDO_LEN 20 46 #define MLX5_IPOIB_HARD_LEN (MLX5_IPOIB_PSEUDO_LEN + MLX5_IPOIB_ENCAP_LEN) 47 48 /* ipoib rdma netdev's private data structure */ 49 struct mlx5i_priv { 50 struct rdma_netdev rn; /* keep this first */ 51 struct mlx5_core_qp qp; 52 u32 qkey; 53 char *mlx5e_priv[0]; 54 }; 55 56 /* Extract mlx5e_priv from IPoIB netdev */ 57 #define mlx5i_epriv(netdev) ((void *)(((struct mlx5i_priv *)netdev_priv(netdev))->mlx5e_priv)) 58 59 netdev_tx_t mlx5i_sq_xmit(struct mlx5e_txqsq *sq, struct sk_buff *skb, 60 struct mlx5_av *av, u32 dqpn, u32 dqkey); 61 void mlx5i_handle_rx_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe); 62 63 #endif /* __MLX5E_IPOB_H__ */ 64