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 
8 unsigned int mlx5e_channels_get_num(struct mlx5e_channels *chs)
9 {
10 	return chs->num;
11 }
12 
13 static 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 
19 bool 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 
26 void 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 
36 void 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 
48 bool 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