linux-kernel - Re: [KJ][PATCH]ROUND_UP macro cleanup in drivers/net/ixgb

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Date:	Mon, 02 Apr 2007 22:45:33 -0700
From:	"Kok, Auke" <auke-jan.h.kok@...el.com>
To:	Milind Arun Choudhary <milindchoudhary@...il.com>
Cc:	kernel-janitors@...ts.osdl.org, e1000-devel@...ts.sourceforge.net,
	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
	auke-jan.h.kok@...el.com, john.ronciak@...el.com,
	jesse.brandeburg@...el.com, ayyappan.veeraiyan@...el.com
Subject: Re: [KJ][PATCH]ROUND_UP macro cleanup in drivers/net/ixgb

Milind Arun Choudhary wrote:
> IXGB_ROUNDUP macro cleanup ,use ALIGN

cool beans!

Same reply as to the ALIGN patch you sent for e1000 -> We'll take it for a spin 
and I'll push your patch upstream as part of the regular updates!

Thanks,

Auke


> 
> Signed-off-by: Milind Arun Choudhary <milindchoudhary@...il.com>
> 
> ---
> 
>  ixgb.h         |    3 ---
>  ixgb_ethtool.c |    4 ++--
>  ixgb_main.c    |    4 ++--
>  ixgb_param.c   |    4 ++--
>  4 files changed, 6 insertions(+), 9 deletions(-)
> 
> diff --git a/drivers/net/ixgb/ixgb.h b/drivers/net/ixgb/ixgb.h
> index cf30a10..c8e9086 100644
> --- a/drivers/net/ixgb/ixgb.h
> +++ b/drivers/net/ixgb/ixgb.h
> @@ -111,9 +111,6 @@ struct ixgb_adapter;
>  /* How many Rx Buffers do we bundle into one write to the hardware ? */
>  #define IXGB_RX_BUFFER_WRITE	8	/* Must be power of 2 */
>  
> -/* only works for sizes that are powers of 2 */
> -#define IXGB_ROUNDUP(i, size) ((i) = (((i) + (size) - 1) & ~((size) - 1)))
> -
>  /* wrapper around a pointer to a socket buffer,
>   * so a DMA handle can be stored along with the buffer */
>  struct ixgb_buffer {
> diff --git a/drivers/net/ixgb/ixgb_ethtool.c b/drivers/net/ixgb/ixgb_ethtool.c
> index d6628bd..cdefaff 100644
> --- a/drivers/net/ixgb/ixgb_ethtool.c
> +++ b/drivers/net/ixgb/ixgb_ethtool.c
> @@ -577,11 +577,11 @@ ixgb_set_ringparam(struct net_device *netdev,
>  
>  	rxdr->count = max(ring->rx_pending,(uint32_t)MIN_RXD);
>  	rxdr->count = min(rxdr->count,(uint32_t)MAX_RXD);
> -	IXGB_ROUNDUP(rxdr->count, IXGB_REQ_RX_DESCRIPTOR_MULTIPLE); 
> +	rxdr->count = ALIGN(rxdr->count, IXGB_REQ_RX_DESCRIPTOR_MULTIPLE); 
>  
>  	txdr->count = max(ring->tx_pending,(uint32_t)MIN_TXD);
>  	txdr->count = min(txdr->count,(uint32_t)MAX_TXD);
> -	IXGB_ROUNDUP(txdr->count, IXGB_REQ_TX_DESCRIPTOR_MULTIPLE); 
> +	txdr->count = ALIGN(txdr->count, IXGB_REQ_TX_DESCRIPTOR_MULTIPLE); 
>  
>  	if(netif_running(adapter->netdev)) {
>  		/* Try to get new resources before deleting old */
> diff --git a/drivers/net/ixgb/ixgb_main.c b/drivers/net/ixgb/ixgb_main.c
> index afc2ec7..158c71e 100644
> --- a/drivers/net/ixgb/ixgb_main.c
> +++ b/drivers/net/ixgb/ixgb_main.c
> @@ -685,7 +685,7 @@ ixgb_setup_tx_resources(struct ixgb_adapter *adapter)
>  	/* round up to nearest 4K */
>  
>  	txdr->size = txdr->count * sizeof(struct ixgb_tx_desc);
> -	IXGB_ROUNDUP(txdr->size, 4096);
> +	txdr->size = ALIGN(txdr->size, 4096);
>  
>  	txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma);
>  	if(!txdr->desc) {
> @@ -774,7 +774,7 @@ ixgb_setup_rx_resources(struct ixgb_adapter *adapter)
>  	/* Round up to nearest 4K */
>  
>  	rxdr->size = rxdr->count * sizeof(struct ixgb_rx_desc);
> -	IXGB_ROUNDUP(rxdr->size, 4096);
> +	rxdr->size = ALIGN(rxdr->size, 4096);
>  
>  	rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma);
>  
> diff --git a/drivers/net/ixgb/ixgb_param.c b/drivers/net/ixgb/ixgb_param.c
> index b27442a..ee8cc67 100644
> --- a/drivers/net/ixgb/ixgb_param.c
> +++ b/drivers/net/ixgb/ixgb_param.c
> @@ -284,7 +284,7 @@ ixgb_check_options(struct ixgb_adapter *adapter)
>  		} else {
>  			tx_ring->count = opt.def;
>  		}
> -		IXGB_ROUNDUP(tx_ring->count, IXGB_REQ_TX_DESCRIPTOR_MULTIPLE);
> +		tx_ring->count = ALIGN(tx_ring->count, IXGB_REQ_TX_DESCRIPTOR_MULTIPLE);
>  	}
>  	{ /* Receive Descriptor Count */
>  		struct ixgb_option opt = {
> @@ -303,7 +303,7 @@ ixgb_check_options(struct ixgb_adapter *adapter)
>  		} else {
>  			rx_ring->count = opt.def;
>  		}
> -		IXGB_ROUNDUP(rx_ring->count, IXGB_REQ_RX_DESCRIPTOR_MULTIPLE);
> +		rx_ring->count = ALIGN(rx_ring->count, IXGB_REQ_RX_DESCRIPTOR_MULTIPLE);
>  	}
>  	{ /* Receive Checksum Offload Enable */
>  		struct ixgb_option opt = {
> 
> 

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