mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-26 09:25:05 +07:00
4d8fcf216c
If the peer device was already unbound, then do not attempt to modify
it's resources, otherwise we will crash on dereferencing non-existing
device.
Fixes: 5c65c564c9 ("net/mlx5e: Support offloading TC NIC hairpin flows")
Signed-off-by: Alaa Hleihel <alaa@mellanox.com>
Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
104 lines
4.1 KiB
C
104 lines
4.1 KiB
C
/*
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* Copyright (c) 2013-2015, Mellanox Technologies, Ltd. 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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#ifndef __TRANSOBJ_H__
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#define __TRANSOBJ_H__
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#include <linux/mlx5/driver.h>
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int mlx5_core_alloc_transport_domain(struct mlx5_core_dev *dev, u32 *tdn);
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void mlx5_core_dealloc_transport_domain(struct mlx5_core_dev *dev, u32 tdn);
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int mlx5_core_create_rq(struct mlx5_core_dev *dev, u32 *in, int inlen,
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u32 *rqn);
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int mlx5_core_modify_rq(struct mlx5_core_dev *dev, u32 rqn, u32 *in, int inlen);
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void mlx5_core_destroy_rq(struct mlx5_core_dev *dev, u32 rqn);
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int mlx5_core_query_rq(struct mlx5_core_dev *dev, u32 rqn, u32 *out);
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int mlx5_core_create_sq(struct mlx5_core_dev *dev, u32 *in, int inlen,
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u32 *sqn);
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int mlx5_core_modify_sq(struct mlx5_core_dev *dev, u32 sqn, u32 *in, int inlen);
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void mlx5_core_destroy_sq(struct mlx5_core_dev *dev, u32 sqn);
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int mlx5_core_query_sq(struct mlx5_core_dev *dev, u32 sqn, u32 *out);
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int mlx5_core_query_sq_state(struct mlx5_core_dev *dev, u32 sqn, u8 *state);
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int mlx5_core_create_tir(struct mlx5_core_dev *dev, u32 *in, int inlen,
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u32 *tirn);
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int mlx5_core_modify_tir(struct mlx5_core_dev *dev, u32 tirn, u32 *in,
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int inlen);
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void mlx5_core_destroy_tir(struct mlx5_core_dev *dev, u32 tirn);
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int mlx5_core_create_tis(struct mlx5_core_dev *dev, u32 *in, int inlen,
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u32 *tisn);
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int mlx5_core_modify_tis(struct mlx5_core_dev *dev, u32 tisn, u32 *in,
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int inlen);
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void mlx5_core_destroy_tis(struct mlx5_core_dev *dev, u32 tisn);
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int mlx5_core_create_rmp(struct mlx5_core_dev *dev, u32 *in, int inlen,
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u32 *rmpn);
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int mlx5_core_modify_rmp(struct mlx5_core_dev *dev, u32 *in, int inlen);
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int mlx5_core_destroy_rmp(struct mlx5_core_dev *dev, u32 rmpn);
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int mlx5_core_query_rmp(struct mlx5_core_dev *dev, u32 rmpn, u32 *out);
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int mlx5_core_arm_rmp(struct mlx5_core_dev *dev, u32 rmpn, u16 lwm);
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int mlx5_core_create_xsrq(struct mlx5_core_dev *dev, u32 *in, int inlen,
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u32 *rmpn);
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int mlx5_core_destroy_xsrq(struct mlx5_core_dev *dev, u32 rmpn);
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int mlx5_core_arm_xsrq(struct mlx5_core_dev *dev, u32 rmpn, u16 lwm);
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int mlx5_core_create_rqt(struct mlx5_core_dev *dev, u32 *in, int inlen,
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u32 *rqtn);
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int mlx5_core_modify_rqt(struct mlx5_core_dev *dev, u32 rqtn, u32 *in,
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int inlen);
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void mlx5_core_destroy_rqt(struct mlx5_core_dev *dev, u32 rqtn);
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struct mlx5_hairpin_params {
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u8 log_data_size;
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u8 log_num_packets;
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u16 q_counter;
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int num_channels;
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};
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struct mlx5_hairpin {
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struct mlx5_core_dev *func_mdev;
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struct mlx5_core_dev *peer_mdev;
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int num_channels;
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u32 *rqn;
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u32 *sqn;
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bool peer_gone;
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};
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struct mlx5_hairpin *
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mlx5_core_hairpin_create(struct mlx5_core_dev *func_mdev,
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struct mlx5_core_dev *peer_mdev,
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struct mlx5_hairpin_params *params);
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void mlx5_core_hairpin_destroy(struct mlx5_hairpin *pair);
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#endif /* __TRANSOBJ_H__ */
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