[PATCH 13/50] wifi: ath12k: add dp_mon.c

[Jeff Johnson]

On 8/12/2022 9:09 AM, Kalle Valo wrote:
> From: Kalle Valo <quic_kvalo at quicinc.com>
> 
> (Patches split into one patch per file for easier review, but the final
> commit will be one big patch. See the cover letter for more info.)
> 
> Signed-off-by: Kalle Valo <quic_kvalo at quicinc.com>
> ---
>   drivers/net/wireless/ath/ath12k/dp_mon.c | 2598 ++++++++++++++++++++++++++++++
>   1 file changed, 2598 insertions(+)
> 
> diff --git a/drivers/net/wireless/ath/ath12k/dp_mon.c b/drivers/net/wireless/ath/ath12k/dp_mon.c
> new file mode 100644
> index 000000000000..479be0e441d8
> --- /dev/null
> +++ b/drivers/net/wireless/ath/ath12k/dp_mon.c
> @@ -0,0 +1,2598 @@
> +// SPDX-License-Identifier: BSD-3-Clause-Clear
> +/*
> + * Copyright (c) 2019-2021 The Linux Foundation. All rights reserved.
> + * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved.
> + */
> +
> +#include "dp_mon.h"
> +#include "debug.h"
> +#include "dp_rx.h"
> +#include "dp_tx.h"
> +#include "peer.h"
> +
> +static void ath12k_dp_mon_rx_handle_ofdma_info(void *rx_tlv,
> +					       struct hal_rx_user_status *rx_user_status)
> +{
> +	struct hal_rx_ppdu_end_user_stats *ppdu_end_user =
> +				(struct hal_rx_ppdu_end_user_stats *)rx_tlv;
> +
> +	rx_user_status->ul_ofdma_user_v0_word0 = __le32_to_cpu(ppdu_end_user->info6);
> +	rx_user_status->ul_ofdma_user_v0_word1 = __le32_to_cpu(ppdu_end_user->rsvd2[10]);

this violates the convention that info* is used for fields that are 
accessed while rsvd* is used for fields that are not accessed. in 
addition, use of magic number offsets is also not nice.

imo what would improve this code is to have accessor macros/inline 
functions defined co-resident with the struct so that all the magic 
numbers and magic fields are contained within the acessors, and the 
actual code here looks really readable.