From e6e01b5fdc281ea5819b21c48c813bcb156d3735 Mon Sep 17 00:00:00 2001 From: Maxim Mikityanskiy Date: Fri, 9 Apr 2021 17:31:09 +0300 Subject: [PATCH] net/mlx5e: Introduce mlx5e_channels API to get RQNs Currently, struct mlx5e_channels is defined in en.h, along with a lot of other stuff. In the following commit mlx5e_rx_res will need to get RQNs (RQ hardware IDs), given a pointer to mlx5e_channels and the channel index. In order to make it possible without including the whole en.h, this commit introduces functions that will hide the implementation details of mlx5e_channels. Signed-off-by: Maxim Mikityanskiy Reviewed-by: Tariq Toukan Signed-off-by: Saeed Mahameed --- .../net/ethernet/mellanox/mlx5/core/Makefile | 2 +- .../ethernet/mellanox/mlx5/core/en/channels.c | 46 +++++++++++++++++++ .../ethernet/mellanox/mlx5/core/en/channels.h | 16 +++++++ 3 files changed, 63 insertions(+), 1 deletion(-) create mode 100644 drivers/net/ethernet/mellanox/mlx5/core/en/channels.c create mode 100644 drivers/net/ethernet/mellanox/mlx5/core/en/channels.h diff --git a/drivers/net/ethernet/mellanox/mlx5/core/Makefile b/drivers/net/ethernet/mellanox/mlx5/core/Makefile index 6378dc815df7..e8522ccb3519 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/Makefile +++ b/drivers/net/ethernet/mellanox/mlx5/core/Makefile @@ -28,7 +28,7 @@ mlx5_core-$(CONFIG_MLX5_CORE_EN) += en_main.o en_common.o en_fs.o en_ethtool.o \ en/reporter_tx.o en/reporter_rx.o en/params.o en/xsk/pool.o \ en/xsk/setup.o en/xsk/rx.o en/xsk/tx.o en/devlink.o en/ptp.o \ en/qos.o en/trap.o en/fs_tt_redirect.o en/rqt.o en/tir.o \ - en/rx_res.o + en/rx_res.o en/channels.o # # Netdev extra diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/channels.c b/drivers/net/ethernet/mellanox/mlx5/core/en/channels.c new file mode 100644 index 000000000000..e7c14c0de0a7 --- /dev/null +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/channels.c @@ -0,0 +1,46 @@ +// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB +/* Copyright (c) 2021, Mellanox Technologies inc. All rights reserved. */ + +#include "channels.h" +#include "en.h" +#include "en/ptp.h" + +unsigned int mlx5e_channels_get_num(struct mlx5e_channels *chs) +{ + return chs->num; +} + +void mlx5e_channels_get_regular_rqn(struct mlx5e_channels *chs, unsigned int ix, u32 *rqn) +{ + struct mlx5e_channel *c; + + WARN_ON(ix >= mlx5e_channels_get_num(chs)); + c = chs->c[ix]; + + *rqn = c->rq.rqn; +} + +bool mlx5e_channels_get_xsk_rqn(struct mlx5e_channels *chs, unsigned int ix, u32 *rqn) +{ + struct mlx5e_channel *c; + + WARN_ON(ix >= mlx5e_channels_get_num(chs)); + c = chs->c[ix]; + + if (!test_bit(MLX5E_CHANNEL_STATE_XSK, c->state)) + return false; + + *rqn = c->xskrq.rqn; + return true; +} + +bool mlx5e_channels_get_ptp_rqn(struct mlx5e_channels *chs, u32 *rqn) +{ + struct mlx5e_ptp *c = chs->ptp; + + if (!c || !test_bit(MLX5E_PTP_STATE_RX, c->state)) + return false; + + *rqn = c->rq.rqn; + return true; +} diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/channels.h b/drivers/net/ethernet/mellanox/mlx5/core/en/channels.h new file mode 100644 index 000000000000..ca00cbc827cb --- /dev/null +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/channels.h @@ -0,0 +1,16 @@ +/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ +/* Copyright (c) 2021, Mellanox Technologies inc. All rights reserved. */ + +#ifndef __MLX5_EN_CHANNELS_H__ +#define __MLX5_EN_CHANNELS_H__ + +#include + +struct mlx5e_channels; + +unsigned int mlx5e_channels_get_num(struct mlx5e_channels *chs); +void mlx5e_channels_get_regular_rqn(struct mlx5e_channels *chs, unsigned int ix, u32 *rqn); +bool mlx5e_channels_get_xsk_rqn(struct mlx5e_channels *chs, unsigned int ix, u32 *rqn); +bool mlx5e_channels_get_ptp_rqn(struct mlx5e_channels *chs, u32 *rqn); + +#endif /* __MLX5_EN_CHANNELS_H__ */ -- 2.20.1