Release 4.16 drivers/net/ethernet/mellanox/mlx5/core/lib/mpfs.h
/*
* Copyright (c) 2017, Mellanox Technologies, Ltd. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef __MLX5_MPFS_H__
#define __MLX5_MPFS_H__
#include <linux/if_ether.h>
#include <linux/mlx5/device.h>
/* L2 -mac address based- hash helpers */
#define MLX5_L2_ADDR_HASH_SIZE (BIT(BITS_PER_BYTE))
#define MLX5_L2_ADDR_HASH(addr) (addr[5])
struct l2addr_node {
struct hlist_node hlist;
u8 addr[ETH_ALEN];
};
#define for_each_l2hash_node(hn, tmp, hash, i) \
for (i = 0; i < MLX5_L2_ADDR_HASH_SIZE; i++) \
hlist_for_each_entry_safe(hn, tmp, &(hash)[i], hlist)
#define l2addr_hash_find(hash, mac, type) ({ \
int ix = MLX5_L2_ADDR_HASH(mac); \
bool found = false; \
type *ptr = NULL; \
\
hlist_for_each_entry(ptr, &(hash)[ix], node.hlist) \
if (ether_addr_equal(ptr->node.addr, mac)) {\
found = true; \
break; \
} \
if (!found) \
ptr = NULL; \
ptr; \
})
#define l2addr_hash_add(hash, mac, type, gfp) ({ \
int ix = MLX5_L2_ADDR_HASH(mac); \
type *ptr = NULL; \
\
ptr = kzalloc(sizeof(type), gfp); \
if (ptr) { \
ether_addr_copy(ptr->node.addr, mac); \
hlist_add_head(&ptr->node.hlist, &(hash)[ix]);\
} \
ptr; \
})
#define l2addr_hash_del(ptr) ({ \
hlist_del(&(ptr)->node.hlist); \
kfree(ptr); \
})
#ifdef CONFIG_MLX5_MPFS
int mlx5_mpfs_init(struct mlx5_core_dev *dev);
void mlx5_mpfs_cleanup(struct mlx5_core_dev *dev);
int mlx5_mpfs_add_mac(struct mlx5_core_dev *dev, u8 *mac);
int mlx5_mpfs_del_mac(struct mlx5_core_dev *dev, u8 *mac);
#else /* #ifndef CONFIG_MLX5_MPFS */
static inline int mlx5_mpfs_init(struct mlx5_core_dev *dev) { return 0; }
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Saeed Mahameed | 15 | 100.00% | 1 | 100.00% |
| Total | 15 | 100.00% | 1 | 100.00% |
static inline void mlx5_mpfs_cleanup(struct mlx5_core_dev *dev) {}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Saeed Mahameed | 11 | 100.00% | 1 | 100.00% |
| Total | 11 | 100.00% | 1 | 100.00% |
static inline int mlx5_mpfs_add_mac(struct mlx5_core_dev *dev, u8 *mac) { return 0; }
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Saeed Mahameed | 19 | 100.00% | 1 | 100.00% |
| Total | 19 | 100.00% | 1 | 100.00% |
static inline int mlx5_mpfs_del_mac(struct mlx5_core_dev *dev, u8 *mac) { return 0; }
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Saeed Mahameed | 19 | 100.00% | 1 | 100.00% |
| Total | 19 | 100.00% | 1 | 100.00% |
#endif
#endif
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Saeed Mahameed | 203 | 100.00% | 1 | 100.00% |
| Total | 203 | 100.00% | 1 | 100.00% |
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