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Re: [KJ][PATCH] ROUND_UP macro cleanup in drivers/net/e1000
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From:
Kok, Auke <auke-jan.h.kok@...>
To: Milind Arun Choudhary <milindchoudhary@...>
Cc: <kernel-janitors@...>, <e1000-devel@...>, <linux.nics@...>, <linux-kernel@...>, <akpm@...>, <cramerj@...>, <john.ronciak@...>, <jesse.brandeburg@...>, <jeffrey.t.kirsher@...>
Subject:
Re: [KJ][PATCH] ROUND_UP macro cleanup in drivers/net/e1000
Date: Sunday, April 1, 2007 - 7:20 pm
Milind Arun Choudhary wrote:
quoted text
> E1000_ROUNDUP macro cleanup, use ALIGN > > Signed-off-by: Milind Arun Choudhary <milindchoudhary@gmail.com>
we were actually looking at this last week. I'll take it for a spin and if it's good I'll push it through upstream. Thanks! Auke
quoted text
> --- > > e1000.h | 3 --- > e1000_ethtool.c | 6 +++--- > e1000_main.c | 10 +++++----- > e1000_param.c | 4 ++-- > 4 files changed, 10 insertions(+), 13 deletions(-) > > > diff --git a/drivers/net/e1000/e1000.h b/drivers/net/e1000/e1000.h > index dd4b728..a9ea67e 100644 > --- a/drivers/net/e1000/e1000.h > +++ b/drivers/net/e1000/e1000.h > @@ -155,9 +155,6 @@ struct e1000_adapter; > /* Number of packet split data buffers (not including the header buffer) */ > #define PS_PAGE_BUFFERS MAX_PS_BUFFERS-1 > > -/* only works for sizes that are powers of 2 */ > -#define E1000_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 e1000_buffer { > diff --git a/drivers/net/e1000/e1000_ethtool.c b/drivers/net/e1000/e1000_ethtool.c > index 6777887..0fbd873 100644 > --- a/drivers/net/e1000/e1000_ethtool.c > +++ b/drivers/net/e1000/e1000_ethtool.c > @@ -686,12 +686,12 @@ e1000_set_ringparam(struct net_device *netdev, > rxdr->count = max(ring->rx_pending,(uint32_t)E1000_MIN_RXD); > rxdr->count = min(rxdr->count,(uint32_t)(mac_type < e1000_82544 ? > E1000_MAX_RXD : E1000_MAX_82544_RXD)); > - E1000_ROUNDUP(rxdr->count, REQ_RX_DESCRIPTOR_MULTIPLE); > + rxdr->count = ALIGN(rxdr->count, REQ_RX_DESCRIPTOR_MULTIPLE); > > txdr->count = max(ring->tx_pending,(uint32_t)E1000_MIN_TXD); > txdr->count = min(txdr->count,(uint32_t)(mac_type < e1000_82544 ? > E1000_MAX_TXD : E1000_MAX_82544_TXD)); > - E1000_ROUNDUP(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE); > + txdr->count = ALIGN(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE); > > for (i = 0; i < adapter->num_tx_queues; i++) > txdr[i].count = txdr->count; > @@ -1068,7 +1068,7 @@ e1000_setup_desc_rings(struct e1000_adapter *adapter) > memset(txdr->buffer_info, 0, size); > > txdr->size = txdr->count * sizeof(struct e1000_tx_desc); > - E1000_ROUNDUP(txdr->size, 4096); > + txdr->size = ALIGN(txdr->size, 4096); > if (!(txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma))) { > ret_val = 2; > goto err_nomem; > diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c > index 1d08e93..d0af100 100644 > --- a/drivers/net/e1000/e1000_main.c > +++ b/drivers/net/e1000/e1000_main.c > @@ -750,9 +750,9 @@ e1000_reset(struct e1000_adapter *adapter) > VLAN_TAG_SIZE; > min_tx_space = min_rx_space; > min_tx_space *= 2; > - E1000_ROUNDUP(min_tx_space, 1024); > + min_tx_space = ALIGN(min_tx_space, 1024); > min_tx_space >>= 10; > - E1000_ROUNDUP(min_rx_space, 1024); > + min_rx_space = ALIGN(min_rx_space, 1024); > min_rx_space >>= 10; > > /* If current Tx allocation is less than the min Tx FIFO size, > @@ -1545,7 +1545,7 @@ e1000_setup_tx_resources(struct e1000_adapter *adapter, > /* round up to nearest 4K */ > > txdr->size = txdr->count * sizeof(struct e1000_tx_desc); > - E1000_ROUNDUP(txdr->size, 4096); > + txdr->size = ALIGN(txdr->size, 4096); > > txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma); > if (!txdr->desc) { > @@ -1788,7 +1788,7 @@ e1000_setup_rx_resources(struct e1000_adapter *adapter, > /* Round up to nearest 4K */ > > rxdr->size = rxdr->count * desc_len; > - E1000_ROUNDUP(rxdr->size, 4096); > + rxdr->size = ALIGN(rxdr->size, 4096); > > rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma); > > @@ -3162,7 +3162,7 @@ e1000_82547_fifo_workaround(struct e1000_adapter *adapter, struct sk_buff *skb) > uint32_t fifo_space = adapter->tx_fifo_size - adapter->tx_fifo_head; > uint32_t skb_fifo_len = skb->len + E1000_FIFO_HDR; > > - E1000_ROUNDUP(skb_fifo_len, E1000_FIFO_HDR); > + skb_fifo_len = ALIGN(skb_fifo_len, E1000_FIFO_HDR); > > if (adapter->link_duplex != HALF_DUPLEX) > goto no_fifo_stall_required; > diff --git a/drivers/net/e1000/e1000_param.c b/drivers/net/e1000/e1000_param.c > index f8862e2..f485874 100644 > --- a/drivers/net/e1000/e1000_param.c > +++ b/drivers/net/e1000/e1000_param.c > @@ -305,7 +305,7 @@ e1000_check_options(struct e1000_adapter *adapter) > if (num_TxDescriptors > bd) { > tx_ring->count = TxDescriptors[bd]; > e1000_validate_option(&tx_ring->count, &opt, adapter); > - E1000_ROUNDUP(tx_ring->count, > + tx_ring->count = ALIGN(tx_ring->count, > REQ_TX_DESCRIPTOR_MULTIPLE); > } else { > tx_ring->count = opt.def; > @@ -331,7 +331,7 @@ e1000_check_options(struct e1000_adapter *adapter) > if (num_RxDescriptors > bd) { > rx_ring->count = RxDescriptors[bd]; > e1000_validate_option(&rx_ring->count, &opt, adapter); > - E1000_ROUNDUP(rx_ring->count, > + rx_ring->count = ALIGN(rx_ring->count, > REQ_RX_DESCRIPTOR_MULTIPLE); > } else { > rx_ring->count = opt.def; >
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Messages in current thread:
[KJ][PATCH] ROUND_UP macro cleanup in drivers/net/e1000
, Milind Arun Choudhary
, (Sun Apr 1, 2:31 pm)
Re: [KJ][PATCH] ROUND_UP macro cleanup in drivers/net/e1000
, Kok, Auke
, (Sun Apr 1, 7:20 pm)
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