1// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
2/* Copyright (c) 2021, Mellanox Technologies inc. All rights reserved. */
3
4#include "channels.h"
5#include "en.h"
6#include "en/ptp.h"
7
8unsigned int mlx5e_channels_get_num(struct mlx5e_channels *chs)
9{
10 return chs->num;
11}
12
13static struct mlx5e_channel *mlx5e_channels_get(struct mlx5e_channels *chs, unsigned int ix)
14{
15 WARN_ON_ONCE(ix >= mlx5e_channels_get_num(chs));
16 return chs->c[ix];
17}
18
19bool mlx5e_channels_is_xsk(struct mlx5e_channels *chs, unsigned int ix)
20{
21 struct mlx5e_channel *c = mlx5e_channels_get(chs, ix);
22
23 return test_bit(MLX5E_CHANNEL_STATE_XSK, c->state);
24}
25
26void mlx5e_channels_get_regular_rqn(struct mlx5e_channels *chs, unsigned int ix, u32 *rqn,
27 u32 *vhca_id)
28{
29 struct mlx5e_channel *c = mlx5e_channels_get(chs, ix);
30
31 *rqn = c->rq.rqn;
32 if (vhca_id)
33 *vhca_id = MLX5_CAP_GEN(c->mdev, vhca_id);
34}
35
36void mlx5e_channels_get_xsk_rqn(struct mlx5e_channels *chs, unsigned int ix, u32 *rqn,
37 u32 *vhca_id)
38{
39 struct mlx5e_channel *c = mlx5e_channels_get(chs, ix);
40
41 WARN_ON_ONCE(!test_bit(MLX5E_CHANNEL_STATE_XSK, c->state));
42
43 *rqn = c->xskrq.rqn;
44 if (vhca_id)
45 *vhca_id = MLX5_CAP_GEN(c->mdev, vhca_id);
46}
47
48bool mlx5e_channels_get_ptp_rqn(struct mlx5e_channels *chs, u32 *rqn)
49{
50 struct mlx5e_ptp *c = chs->ptp;
51
52 if (!c || !test_bit(MLX5E_PTP_STATE_RX, c->state))
53 return false;
54
55 *rqn = c->rq.rqn;
56 return true;
57}
58

source code of linux/drivers/net/ethernet/mellanox/mlx5/core/en/channels.c