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
40void mlx4_en_fill_qp_context(struct mlx4_en_priv *priv, int size, int stride,
41			     int is_tx, int rss, 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
94int 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(priv->mdev->dev, qp->qpn,
105			     MLX4_UPDATE_QP_ETH_SRC_CHECK_MC_LB,
106			     &qp_params);
107
108	return ret;
109}
110
111void mlx4_en_sqp_event(struct mlx4_qp *qp, enum mlx4_event event)
112{
113    return;
114}
115
116