[dpdk-dev] [PATCH v2 14/62] net/cnxk: add link status update support
Jerin Jacob
jerinjacobk at gmail.com
Tue Jun 15 14:31:42 CEST 2021
On Mon, Jun 7, 2021 at 11:35 PM Nithin Dabilpuram
<ndabilpuram at marvell.com> wrote:
>
> Add link status update callback to get current
> link status.
>
> Signed-off-by: Nithin Dabilpuram <ndabilpuram at marvell.com>
> ---
> doc/guides/nics/cnxk.rst | 1 +
> doc/guides/nics/features/cnxk.ini | 2 +
> doc/guides/nics/features/cnxk_vec.ini | 2 +
> doc/guides/nics/features/cnxk_vf.ini | 2 +
> drivers/net/cnxk/cnxk_ethdev.c | 7 +++
> drivers/net/cnxk/cnxk_ethdev.h | 8 +++
> drivers/net/cnxk/cnxk_link.c | 102 ++++++++++++++++++++++++++++++++++
> drivers/net/cnxk/meson.build | 3 +-
> 8 files changed, 126 insertions(+), 1 deletion(-)
> create mode 100644 drivers/net/cnxk/cnxk_link.c
>
> +/* SPDX-License-Identifier: BSD-3-Clause
> + * Copyright(C) 2021 Marvell.
> + */
> +
> +#include "cnxk_ethdev.h"
> +
> +static inline int
> +nix_wait_for_link_cfg(struct cnxk_eth_dev *dev)
> +{
> + uint16_t wait = 1000;
> +
> + do {
> + rte_rmb();
Please use gcc atomics instead.
With above change:
Reviewed-by: Jerin Jacob <jerinj at marvell.com>
> + if (!(dev->flags & CNXK_LINK_CFG_IN_PROGRESS_F))
> + break;
> + wait--;
> + rte_delay_ms(1);
> + } while (wait);
> +
> + return wait ? 0 : -1;
> +}
>
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