1 | /* |
2 | * Copyright (c) 2007 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 | |
34 | #include <linux/slab.h> |
35 | #include <linux/vmalloc.h> |
36 | #include <linux/mlx4/qp.h> |
37 | |
38 | #include "mlx4_en.h" |
39 | |
40 | void mlx4_en_fill_qp_context(struct mlx4_en_priv *priv, int size, int stride, |
41 | int is_tx, int , int qpn, int cqn, |
42 | int user_prio, struct mlx4_qp_context *context) |
43 | { |
44 | struct mlx4_en_dev *mdev = priv->mdev; |
45 | struct net_device *dev = priv->dev; |
46 | |
47 | memset(context, 0, sizeof(*context)); |
48 | context->flags = cpu_to_be32(7 << 16 | rss << MLX4_RSS_QPC_FLAG_OFFSET); |
49 | context->pd = cpu_to_be32(mdev->priv_pdn); |
50 | context->mtu_msgmax = 0xff; |
51 | if (!is_tx && !rss) |
52 | context->rq_size_stride = ilog2(size) << 3 | (ilog2(stride) - 4); |
53 | if (is_tx) { |
54 | context->sq_size_stride = ilog2(size) << 3 | (ilog2(stride) - 4); |
55 | if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_PORT_REMAP) |
56 | context->params2 |= cpu_to_be32(MLX4_QP_BIT_FPP); |
57 | |
58 | } else { |
59 | context->sq_size_stride = ilog2(TXBB_SIZE) - 4; |
60 | } |
61 | context->usr_page = cpu_to_be32(mlx4_to_hw_uar_index(mdev->dev, |
62 | mdev->priv_uar.index)); |
63 | context->local_qpn = cpu_to_be32(qpn); |
64 | context->pri_path.ackto = 1 & 0x07; |
65 | context->pri_path.sched_queue = 0x83 | (priv->port - 1) << 6; |
66 | /* force user priority per tx ring */ |
67 | if (user_prio >= 0 && priv->prof->num_up == MLX4_EN_NUM_UP_HIGH) { |
68 | context->pri_path.sched_queue |= user_prio << 3; |
69 | context->pri_path.feup = MLX4_FEUP_FORCE_ETH_UP; |
70 | } |
71 | context->pri_path.counter_index = priv->counter_index; |
72 | context->cqn_send = cpu_to_be32(cqn); |
73 | context->cqn_recv = cpu_to_be32(cqn); |
74 | if (!rss && |
75 | (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_LB_SRC_CHK) && |
76 | context->pri_path.counter_index != |
77 | MLX4_SINK_COUNTER_INDEX(mdev->dev)) { |
78 | /* disable multicast loopback to qp with same counter */ |
79 | if (!(dev->features & NETIF_F_LOOPBACK)) |
80 | context->pri_path.fl |= MLX4_FL_ETH_SRC_CHECK_MC_LB; |
81 | context->pri_path.control |= MLX4_CTRL_ETH_SRC_CHECK_IF_COUNTER; |
82 | } |
83 | context->db_rec_addr = cpu_to_be64(priv->res.db.dma << 2); |
84 | if (!(dev->features & NETIF_F_HW_VLAN_CTAG_RX)) |
85 | context->param3 |= cpu_to_be32(1 << 30); |
86 | |
87 | if (!is_tx && !rss && |
88 | (mdev->dev->caps.tunnel_offload_mode == MLX4_TUNNEL_OFFLOAD_MODE_VXLAN)) { |
89 | en_dbg(HW, priv, "Setting RX qp %x tunnel mode to RX tunneled & non-tunneled\n" , qpn); |
90 | context->srqn = cpu_to_be32(7 << 28); /* this fills bits 30:28 */ |
91 | } |
92 | } |
93 | |
94 | int mlx4_en_change_mcast_lb(struct mlx4_en_priv *priv, struct mlx4_qp *qp, |
95 | int loopback) |
96 | { |
97 | int ret; |
98 | struct mlx4_update_qp_params qp_params; |
99 | |
100 | memset(&qp_params, 0, sizeof(qp_params)); |
101 | if (!loopback) |
102 | qp_params.flags = MLX4_UPDATE_QP_PARAMS_FLAGS_ETH_CHECK_MC_LB; |
103 | |
104 | ret = mlx4_update_qp(dev: priv->mdev->dev, qpn: qp->qpn, |
105 | attr: MLX4_UPDATE_QP_ETH_SRC_CHECK_MC_LB, |
106 | params: &qp_params); |
107 | |
108 | return ret; |
109 | } |
110 | |
111 | void mlx4_en_sqp_event(struct mlx4_qp *qp, enum mlx4_event event) |
112 | { |
113 | return; |
114 | } |
115 | |
116 | |