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Release 4.18 drivers/infiniband/hw/mlx5/ib_rep.c

// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
/*
 * Copyright (c) 2018 Mellanox Technologies. All rights reserved.
 */

#include "ib_rep.h"


static const struct mlx5_ib_profile rep_profile = {
	STAGE_CREATE(MLX5_IB_STAGE_INIT,
		     mlx5_ib_stage_init_init,
		     mlx5_ib_stage_init_cleanup),
	STAGE_CREATE(MLX5_IB_STAGE_FLOW_DB,
		     mlx5_ib_stage_rep_flow_db_init,
		     NULL),
	STAGE_CREATE(MLX5_IB_STAGE_CAPS,
		     mlx5_ib_stage_caps_init,
		     NULL),
	STAGE_CREATE(MLX5_IB_STAGE_NON_DEFAULT_CB,
		     mlx5_ib_stage_rep_non_default_cb,
		     NULL),
	STAGE_CREATE(MLX5_IB_STAGE_ROCE,
		     mlx5_ib_stage_rep_roce_init,
		     mlx5_ib_stage_rep_roce_cleanup),
	STAGE_CREATE(MLX5_IB_STAGE_DEVICE_RESOURCES,
		     mlx5_ib_stage_dev_res_init,
		     mlx5_ib_stage_dev_res_cleanup),
	STAGE_CREATE(MLX5_IB_STAGE_COUNTERS,
		     mlx5_ib_stage_counters_init,
		     mlx5_ib_stage_counters_cleanup),
	STAGE_CREATE(MLX5_IB_STAGE_BFREG,
		     mlx5_ib_stage_bfrag_init,
		     mlx5_ib_stage_bfrag_cleanup),
	STAGE_CREATE(MLX5_IB_STAGE_PRE_IB_REG_UMR,
		     NULL,
		     mlx5_ib_stage_pre_ib_reg_umr_cleanup),
	STAGE_CREATE(MLX5_IB_STAGE_IB_REG,
		     mlx5_ib_stage_ib_reg_init,
		     mlx5_ib_stage_ib_reg_cleanup),
	STAGE_CREATE(MLX5_IB_STAGE_POST_IB_REG_UMR,
		     mlx5_ib_stage_post_ib_reg_umr_init,
		     NULL),
	STAGE_CREATE(MLX5_IB_STAGE_CLASS_ATTR,
		     mlx5_ib_stage_class_attr_init,
		     NULL),
};


static int mlx5_ib_nic_rep_load(struct mlx5_core_dev *dev, struct mlx5_eswitch_rep *rep) { return 0; }

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static void mlx5_ib_nic_rep_unload(struct mlx5_eswitch_rep *rep) { rep->rep_if[REP_IB].priv = NULL; }

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static int mlx5_ib_vport_rep_load(struct mlx5_core_dev *dev, struct mlx5_eswitch_rep *rep) { struct mlx5_ib_dev *ibdev; ibdev = (struct mlx5_ib_dev *)ib_alloc_device(sizeof(*ibdev)); if (!ibdev) return -ENOMEM; ibdev->rep = rep; ibdev->mdev = dev; ibdev->num_ports = max(MLX5_CAP_GEN(dev, num_ports), MLX5_CAP_GEN(dev, num_vhca_ports)); if (!__mlx5_ib_add(ibdev, &rep_profile)) return -EINVAL; rep->rep_if[REP_IB].priv = ibdev; return 0; }

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static void mlx5_ib_vport_rep_unload(struct mlx5_eswitch_rep *rep) { struct mlx5_ib_dev *dev; if (!rep->rep_if[REP_IB].priv) return; dev = mlx5_ib_rep_to_dev(rep); __mlx5_ib_remove(dev, dev->profile, MLX5_IB_STAGE_MAX); rep->rep_if[REP_IB].priv = NULL; }

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static void *mlx5_ib_vport_get_proto_dev(struct mlx5_eswitch_rep *rep) { return mlx5_ib_rep_to_dev(rep); }

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static void mlx5_ib_rep_register_vf_vports(struct mlx5_ib_dev *dev) { struct mlx5_eswitch *esw = dev->mdev->priv.eswitch; int total_vfs = MLX5_TOTAL_VPORTS(dev->mdev); int vport; for (vport = 1; vport < total_vfs; vport++) { struct mlx5_eswitch_rep_if rep_if = {}; rep_if.load = mlx5_ib_vport_rep_load; rep_if.unload = mlx5_ib_vport_rep_unload; rep_if.get_proto_dev = mlx5_ib_vport_get_proto_dev; mlx5_eswitch_register_vport_rep(esw, vport, &rep_if, REP_IB); } }

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Total88100.00%1100.00%


static void mlx5_ib_rep_unregister_vf_vports(struct mlx5_ib_dev *dev) { struct mlx5_eswitch *esw = dev->mdev->priv.eswitch; int total_vfs = MLX5_TOTAL_VPORTS(dev->mdev); int vport; for (vport = 1; vport < total_vfs; vport++) mlx5_eswitch_unregister_vport_rep(esw, vport, REP_IB); }

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void mlx5_ib_register_vport_reps(struct mlx5_ib_dev *dev) { struct mlx5_eswitch *esw = dev->mdev->priv.eswitch; struct mlx5_eswitch_rep_if rep_if = {}; rep_if.load = mlx5_ib_nic_rep_load; rep_if.unload = mlx5_ib_nic_rep_unload; rep_if.get_proto_dev = mlx5_ib_vport_get_proto_dev; rep_if.priv = dev; mlx5_eswitch_register_vport_rep(esw, 0, &rep_if, REP_IB); mlx5_ib_rep_register_vf_vports(dev); }

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void mlx5_ib_unregister_vport_reps(struct mlx5_ib_dev *dev) { struct mlx5_eswitch *esw = dev->mdev->priv.eswitch; mlx5_ib_rep_unregister_vf_vports(dev); /* VFs vports */ mlx5_eswitch_unregister_vport_rep(esw, 0, REP_IB); /* UPLINK PF*/ }

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u8 mlx5_ib_eswitch_mode(struct mlx5_eswitch *esw) { return mlx5_eswitch_mode(esw); }

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struct mlx5_ib_dev *mlx5_ib_get_rep_ibdev(struct mlx5_eswitch *esw, int vport_index) { return mlx5_eswitch_get_proto_dev(esw, vport_index, REP_IB); }

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struct net_device *mlx5_ib_get_rep_netdev(struct mlx5_eswitch *esw, int vport_index) { return mlx5_eswitch_get_proto_dev(esw, vport_index, REP_ETH); }

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struct mlx5_ib_dev *mlx5_ib_get_uplink_ibdev(struct mlx5_eswitch *esw) { return mlx5_eswitch_uplink_get_proto_dev(esw, REP_IB); }

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struct mlx5_eswitch_rep *mlx5_ib_vport_rep(struct mlx5_eswitch *esw, int vport) { return mlx5_eswitch_vport_rep(esw, vport); }

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int create_flow_rule_vport_sq(struct mlx5_ib_dev *dev, struct mlx5_ib_sq *sq) { struct mlx5_flow_handle *flow_rule; struct mlx5_eswitch *esw = dev->mdev->priv.eswitch; if (!dev->rep) return 0; flow_rule = mlx5_eswitch_add_send_to_vport_rule(esw, dev->rep->vport, sq->base.mqp.qpn); if (IS_ERR(flow_rule)) return PTR_ERR(flow_rule); sq->flow_rule = flow_rule; return 0; }

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Total86100.00%1100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Mark Bloch78498.37%360.00%
David S. Miller121.51%120.00%
Leon Romanovsky10.13%120.00%
Total797100.00%5100.00%
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