116 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			116 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2007 Mellanox Technologies. All rights reserved.
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|  *
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|  * This software is available to you under a choice of one of two
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|  * licenses.  You may choose to be licensed under the terms of the GNU
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|  * General Public License (GPL) Version 2, available from the file
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|  * COPYING in the main directory of this source tree, or the
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|  * OpenIB.org BSD license below:
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|  *
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|  *     Redistribution and use in source and binary forms, with or
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|  *     without modification, are permitted provided that the following
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|  *     conditions are met:
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|  *
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|  *      - Redistributions of source code must retain the above
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|  *        copyright notice, this list of conditions and the following
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|  *        disclaimer.
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|  *
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|  *      - Redistributions in binary form must reproduce the above
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|  *        copyright notice, this list of conditions and the following
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|  *        disclaimer in the documentation and/or other materials
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|  *        provided with the distribution.
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|  *
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|  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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|  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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|  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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|  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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|  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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|  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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|  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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|  * SOFTWARE.
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|  *
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|  */
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| 
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| #include <linux/slab.h>
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| #include <linux/vmalloc.h>
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| #include <linux/mlx4/qp.h>
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| 
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| #include "mlx4_en.h"
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| 
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| void mlx4_en_fill_qp_context(struct mlx4_en_priv *priv, int size, int stride,
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| 			     int is_tx, int rss, int qpn, int cqn,
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| 			     int user_prio, struct mlx4_qp_context *context)
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| {
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| 	struct mlx4_en_dev *mdev = priv->mdev;
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| 	struct net_device *dev = priv->dev;
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| 
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| 	memset(context, 0, sizeof(*context));
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| 	context->flags = cpu_to_be32(7 << 16 | rss << MLX4_RSS_QPC_FLAG_OFFSET);
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| 	context->pd = cpu_to_be32(mdev->priv_pdn);
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| 	context->mtu_msgmax = 0xff;
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| 	if (!is_tx && !rss)
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| 		context->rq_size_stride = ilog2(size) << 3 | (ilog2(stride) - 4);
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| 	if (is_tx) {
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| 		context->sq_size_stride = ilog2(size) << 3 | (ilog2(stride) - 4);
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| 		if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_PORT_REMAP)
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| 			context->params2 |= cpu_to_be32(MLX4_QP_BIT_FPP);
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| 
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| 	} else {
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| 		context->sq_size_stride = ilog2(TXBB_SIZE) - 4;
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| 	}
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| 	context->usr_page = cpu_to_be32(mlx4_to_hw_uar_index(mdev->dev,
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| 					mdev->priv_uar.index));
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| 	context->local_qpn = cpu_to_be32(qpn);
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| 	context->pri_path.ackto = 1 & 0x07;
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| 	context->pri_path.sched_queue = 0x83 | (priv->port - 1) << 6;
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| 	/* force user priority per tx ring */
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| 	if (user_prio >= 0 && priv->prof->num_up == MLX4_EN_NUM_UP_HIGH) {
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| 		context->pri_path.sched_queue |= user_prio << 3;
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| 		context->pri_path.feup = MLX4_FEUP_FORCE_ETH_UP;
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| 	}
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| 	context->pri_path.counter_index = priv->counter_index;
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| 	context->cqn_send = cpu_to_be32(cqn);
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| 	context->cqn_recv = cpu_to_be32(cqn);
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| 	if (!rss &&
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| 	    (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_LB_SRC_CHK) &&
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| 	    context->pri_path.counter_index !=
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| 			    MLX4_SINK_COUNTER_INDEX(mdev->dev)) {
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| 		/* disable multicast loopback to qp with same counter */
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| 		if (!(dev->features & NETIF_F_LOOPBACK))
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| 			context->pri_path.fl |= MLX4_FL_ETH_SRC_CHECK_MC_LB;
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| 		context->pri_path.control |= MLX4_CTRL_ETH_SRC_CHECK_IF_COUNTER;
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| 	}
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| 	context->db_rec_addr = cpu_to_be64(priv->res.db.dma << 2);
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| 	if (!(dev->features & NETIF_F_HW_VLAN_CTAG_RX))
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| 		context->param3 |= cpu_to_be32(1 << 30);
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| 
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| 	if (!is_tx && !rss &&
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| 	    (mdev->dev->caps.tunnel_offload_mode ==  MLX4_TUNNEL_OFFLOAD_MODE_VXLAN)) {
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| 		en_dbg(HW, priv, "Setting RX qp %x tunnel mode to RX tunneled & non-tunneled\n", qpn);
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| 		context->srqn = cpu_to_be32(7 << 28); /* this fills bits 30:28 */
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| 	}
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| }
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| 
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| int mlx4_en_change_mcast_lb(struct mlx4_en_priv *priv, struct mlx4_qp *qp,
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| 			    int loopback)
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| {
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| 	int ret;
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| 	struct mlx4_update_qp_params qp_params;
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| 
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| 	memset(&qp_params, 0, sizeof(qp_params));
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| 	if (!loopback)
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| 		qp_params.flags = MLX4_UPDATE_QP_PARAMS_FLAGS_ETH_CHECK_MC_LB;
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| 
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| 	ret = mlx4_update_qp(priv->mdev->dev, qp->qpn,
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| 			     MLX4_UPDATE_QP_ETH_SRC_CHECK_MC_LB,
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| 			     &qp_params);
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| 
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| 	return ret;
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| }
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| 
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| void mlx4_en_sqp_event(struct mlx4_qp *qp, enum mlx4_event event)
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| {
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|     return;
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| }
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| 
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