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Date: Thu, 23 Jul 2020 11:41:11 -0500
From: Thor Thayer <thor.thayer@...ux.intel.com>
To: "Ooi, Joyce" <joyce.ooi@...el.com>,
"David S . Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>
Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
Dalon Westergreen <dalon.westergreen@...ux.intel.com>,
Tan Ley Foon <ley.foon.tan@...el.com>,
See Chin Liang <chin.liang.see@...el.com>,
Dinh Nguyen <dinh.nguyen@...el.com>
Subject: Re: [PATCH v4 07/10] net: eth: altera: change tx functions to type
netdev_tx_t
On 7/8/20 2:23 AM, Ooi, Joyce wrote:
> From: Dalon Westergreen <dalon.westergreen@...ux.intel.com>
>
> Modify all msgdma and sgdma tx_buffer functions to be of type
> netdev_tx_t, and also modify main tx function to be of
> netdev_tx_t type.
>
> Signed-off-by: Dalon Westergreen <dalon.westergreen@...ux.intel.com>
> Signed-off-by: Joyce Ooi <joyce.ooi@...el.com>
> ---
> v2: this patch is added in patch version 2
> v3: no change
> v4: no change
> ---
> drivers/net/ethernet/altera/altera_msgdma.c | 5 +++--
> drivers/net/ethernet/altera/altera_msgdma.h | 4 ++--
> drivers/net/ethernet/altera/altera_sgdma.c | 5 +++--
> drivers/net/ethernet/altera/altera_sgdma.h | 4 ++--
> drivers/net/ethernet/altera/altera_tse.h | 4 ++--
> 5 files changed, 12 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/net/ethernet/altera/altera_msgdma.c b/drivers/net/ethernet/altera/altera_msgdma.c
> index ac1efd08267a..ac68151a7f47 100644
> --- a/drivers/net/ethernet/altera/altera_msgdma.c
> +++ b/drivers/net/ethernet/altera/altera_msgdma.c
> @@ -106,7 +106,8 @@ void msgdma_clear_txirq(struct altera_tse_private *priv)
> }
>
> /* return 0 to indicate transmit is pending */
> -int msgdma_tx_buffer(struct altera_tse_private *priv, struct tse_buffer *buffer)
> +netdev_tx_t
> +msgdma_tx_buffer(struct altera_tse_private *priv, struct tse_buffer *buffer)
> {
> csrwr32(lower_32_bits(buffer->dma_addr), priv->tx_dma_desc,
> msgdma_descroffs(read_addr_lo));
> @@ -120,7 +121,7 @@ int msgdma_tx_buffer(struct altera_tse_private *priv, struct tse_buffer *buffer)
> msgdma_descroffs(stride));
> csrwr32(MSGDMA_DESC_CTL_TX_SINGLE, priv->tx_dma_desc,
> msgdma_descroffs(control));
> - return 0;
> + return NETDEV_TX_OK;
> }
>
> u32 msgdma_tx_completions(struct altera_tse_private *priv)
> diff --git a/drivers/net/ethernet/altera/altera_msgdma.h b/drivers/net/ethernet/altera/altera_msgdma.h
> index 23f5b2a13898..d816b24dfa7f 100644
> --- a/drivers/net/ethernet/altera/altera_msgdma.h
> +++ b/drivers/net/ethernet/altera/altera_msgdma.h
> @@ -16,8 +16,8 @@ void msgdma_clear_txirq(struct altera_tse_private *priv);
> u32 msgdma_tx_completions(struct altera_tse_private *priv);
> void msgdma_add_rx_desc(struct altera_tse_private *priv,
> struct tse_buffer *buffer);
> -int msgdma_tx_buffer(struct altera_tse_private *priv,
> - struct tse_buffer *buffer);
> +netdev_tx_t msgdma_tx_buffer(struct altera_tse_private *priv,
> + struct tse_buffer *buffer);
> u32 msgdma_rx_status(struct altera_tse_private *priv);
> int msgdma_initialize(struct altera_tse_private *priv);
> void msgdma_uninitialize(struct altera_tse_private *priv);
> diff --git a/drivers/net/ethernet/altera/altera_sgdma.c b/drivers/net/ethernet/altera/altera_sgdma.c
> index fe6276c7e4a3..6898ec682425 100644
> --- a/drivers/net/ethernet/altera/altera_sgdma.c
> +++ b/drivers/net/ethernet/altera/altera_sgdma.c
> @@ -166,7 +166,8 @@ void sgdma_clear_txirq(struct altera_tse_private *priv)
> * will now actually look at the code, so from now, 0 is good and return
> * NETDEV_TX_BUSY when busy.
> */
> -int sgdma_tx_buffer(struct altera_tse_private *priv, struct tse_buffer *buffer)
> +netdev_tx_t
> +sgdma_tx_buffer(struct altera_tse_private *priv, struct tse_buffer *buffer)
> {
> struct sgdma_descrip __iomem *descbase =
> (struct sgdma_descrip __iomem *)priv->tx_dma_desc;
> @@ -196,7 +197,7 @@ int sgdma_tx_buffer(struct altera_tse_private *priv, struct tse_buffer *buffer)
> /* enqueue the request to the pending transmit queue */
> queue_tx(priv, buffer);
>
> - return 0;
> + return NETDEV_TX_OK;
> }
>
>
> diff --git a/drivers/net/ethernet/altera/altera_sgdma.h b/drivers/net/ethernet/altera/altera_sgdma.h
> index 3fb201417820..6a41833f0965 100644
> --- a/drivers/net/ethernet/altera/altera_sgdma.h
> +++ b/drivers/net/ethernet/altera/altera_sgdma.h
> @@ -13,8 +13,8 @@ void sgdma_disable_rxirq(struct altera_tse_private *priv);
> void sgdma_disable_txirq(struct altera_tse_private *priv);
> void sgdma_clear_rxirq(struct altera_tse_private *priv);
> void sgdma_clear_txirq(struct altera_tse_private *priv);
> -int sgdma_tx_buffer(struct altera_tse_private *priv,
> - struct tse_buffer *buffer);
> +netdev_tx_t sgdma_tx_buffer(struct altera_tse_private *priv,
> + struct tse_buffer *buffer);
> u32 sgdma_tx_completions(struct altera_tse_private *priv);
> void sgdma_add_rx_desc(struct altera_tse_private *priv,
> struct tse_buffer *buffer);
> diff --git a/drivers/net/ethernet/altera/altera_tse.h b/drivers/net/ethernet/altera/altera_tse.h
> index fa24ab3c7d6a..79d02748c89d 100644
> --- a/drivers/net/ethernet/altera/altera_tse.h
> +++ b/drivers/net/ethernet/altera/altera_tse.h
> @@ -392,8 +392,8 @@ struct altera_dmaops {
> void (*disable_rxirq)(struct altera_tse_private *priv);
> void (*clear_txirq)(struct altera_tse_private *priv);
> void (*clear_rxirq)(struct altera_tse_private *priv);
> - int (*tx_buffer)(struct altera_tse_private *priv,
> - struct tse_buffer *buffer);
> + netdev_tx_t (*tx_buffer)(struct altera_tse_private *priv,
> + struct tse_buffer *buffer);
> u32 (*tx_completions)(struct altera_tse_private *priv);
> void (*add_rx_desc)(struct altera_tse_private *priv,
> struct tse_buffer *buffer);
>
Reviewed-by: Thor Thayer <thor.thayer@...ux.intel.com>
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