netdev - Re: [PATCH v4 09/10] net: eth: altera: add msgdma prefetcher

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Date:   Wed, 08 Jul 2020 10:33:54 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     joyce.ooi@...el.com
Cc:     thor.thayer@...ux.intel.com, kuba@...nel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        dalon.westergreen@...ux.intel.com, ley.foon.tan@...el.com,
        chin.liang.see@...el.com, dinh.nguyen@...el.com,
        dalon.westergreen@...el.com
Subject: Re: [PATCH v4 09/10] net: eth: altera: add msgdma prefetcher

From: "Ooi, Joyce" <joyce.ooi@...el.com>
Date: Wed,  8 Jul 2020 15:24:00 +0800

> +int msgdma_pref_initialize(struct altera_tse_private *priv)
> +{
> +	int i;
> +	struct msgdma_pref_extended_desc *rx_descs;
> +	struct msgdma_pref_extended_desc *tx_descs;
> +	dma_addr_t rx_descsphys;
> +	dma_addr_t tx_descsphys;

Reverse christmas tree please.

> +netdev_tx_t msgdma_pref_tx_buffer(struct altera_tse_private *priv,
> +				  struct tse_buffer *buffer)
> +{
> +	u32 desc_entry = priv->tx_prod % (priv->tx_ring_size * 2);
> +	struct msgdma_pref_extended_desc *tx_descs = priv->pref_txdesc;

Likewise.

> +u32 msgdma_pref_tx_completions(struct altera_tse_private *priv)
> +{
> +	u32 control;
> +	u32 ready = 0;
> +	u32 cons = priv->tx_cons;
> +	u32 desc_ringsize = priv->tx_ring_size * 2;
> +	u32 ringsize = priv->tx_ring_size;
> +	u64 ns = 0;
> +	struct msgdma_pref_extended_desc *cur;
> +	struct tse_buffer *tx_buff;
> +	struct skb_shared_hwtstamps shhwtstamp;
> +	int i;

Likewise.

> +u32 msgdma_pref_rx_status(struct altera_tse_private *priv)
> +{
> +	u32 rxstatus = 0;
> +	u32 pktlength;
> +	u32 pktstatus;
> +	u64 ns = 0;
> +	u32 entry = priv->rx_cons % priv->rx_ring_size;
> +	u32 desc_entry = priv->rx_prod % (priv->rx_ring_size * 2);
> +	struct msgdma_pref_extended_desc *rx_descs = priv->pref_rxdesc;
> +	struct skb_shared_hwtstamps *shhwtstamp = NULL;
> +	struct tse_buffer *rx_buff = priv->rx_ring;

Likewise.

> +	} else if (priv->dmaops &&
> +			   priv->dmaops->altera_dtype ==
> +			   ALTERA_DTYPE_MSGDMA_PREF) {

This is not properly formatted.

On a multi-line conditional, every subsequent line after the first should
align with the first column after the openning parenthesis of the first
line.