diff options
| author | Pekka Enberg <penberg@cs.helsinki.fi> | 2008-06-23 14:36:00 +0300 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@redhat.com> | 2008-07-04 08:46:52 -0400 |
| commit | 18a9cdb9c7ec88f6e94cd8dcb03fb6cded067119 (patch) | |
| tree | 295fd582e2b7214a2638f1c96d152a029c822976 | |
| parent | 83042955210aaee70b881240fe4f5e8409235308 (diff) | |
| download | blackbird-op-linux-18a9cdb9c7ec88f6e94cd8dcb03fb6cded067119.tar.gz blackbird-op-linux-18a9cdb9c7ec88f6e94cd8dcb03fb6cded067119.zip | |
ipg: per-device rxfrag_size
Add a ->max_rxframe member to struct ipg_nic_private and convert the users of
IPG_RXFRAG_SIZE to use it instead to enable per-device jumbo frame
configuration.
Tested-by: Andrew Savchenko <Bircoph@list.ru>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
| -rw-r--r-- | drivers/net/ipg.c | 25 | ||||
| -rw-r--r-- | drivers/net/ipg.h | 1 |
2 files changed, 12 insertions, 14 deletions
diff --git a/drivers/net/ipg.c b/drivers/net/ipg.c index 40ce90dedb02..5c5653bd48c1 100644 --- a/drivers/net/ipg.c +++ b/drivers/net/ipg.c @@ -751,7 +751,7 @@ static int ipg_get_rxbuff(struct net_device *dev, int entry) sp->rx_buf_sz, PCI_DMA_FROMDEVICE)); /* Set the RFD fragment length. */ - rxfragsize = IPG_RXFRAG_SIZE; + rxfragsize = sp->rxfrag_size; rxfd->frag_info |= cpu_to_le64((rxfragsize << 48) & IPG_RFI_FRAGLEN); return 0; @@ -1207,8 +1207,8 @@ static void ipg_nic_rx_with_start_and_end(struct net_device *dev, /* accept this frame and send to upper layer */ framelen = le64_to_cpu(rxfd->rfs) & IPG_RFS_RXFRAMELEN; - if (framelen > IPG_RXFRAG_SIZE) - framelen = IPG_RXFRAG_SIZE; + if (framelen > sp->rxfrag_size) + framelen = sp->rxfrag_size; skb_put(skb, framelen); skb->protocol = eth_type_trans(skb, dev); @@ -1241,10 +1241,10 @@ static void ipg_nic_rx_with_start(struct net_device *dev, pci_unmap_single(pdev, le64_to_cpu(rxfd->frag_info & ~IPG_RFI_FRAGLEN), sp->rx_buf_sz, PCI_DMA_FROMDEVICE); - skb_put(skb, IPG_RXFRAG_SIZE); + skb_put(skb, sp->rxfrag_size); jumbo->found_start = 1; - jumbo->current_size = IPG_RXFRAG_SIZE; + jumbo->current_size = sp->rxfrag_size; jumbo->skb = skb; sp->rx_buff[entry] = NULL; @@ -1270,10 +1270,6 @@ static void ipg_nic_rx_with_end(struct net_device *dev, framelen = le64_to_cpu(rxfd->rfs) & IPG_RFS_RXFRAMELEN; endframelen = framelen - jumbo->current_size; - /* - if (framelen > IPG_RXFRAG_SIZE) - framelen=IPG_RXFRAG_SIZE; - */ if (framelen > IPG_RXSUPPORT_SIZE) dev_kfree_skb_irq(jumbo->skb); else { @@ -1314,11 +1310,11 @@ static void ipg_nic_rx_no_start_no_end(struct net_device *dev, if (skb) { if (jumbo->found_start) { - jumbo->current_size += IPG_RXFRAG_SIZE; + jumbo->current_size += sp->rxfrag_size; if (jumbo->current_size <= IPG_RXSUPPORT_SIZE) { memcpy(skb_put(jumbo->skb, - IPG_RXFRAG_SIZE), - skb->data, IPG_RXFRAG_SIZE); + sp->rxfrag_size), + skb->data, sp->rxfrag_size); } } dev->last_rx = jiffies; @@ -1410,11 +1406,11 @@ static int ipg_nic_rx(struct net_device *dev) /* Check for jumbo frame arrival with too small * RXFRAG_SIZE. */ - if (framelen > IPG_RXFRAG_SIZE) { + if (framelen > sp->rxfrag_size) { IPG_DEBUG_MSG ("RFS FrameLen > allocated fragment size.\n"); - framelen = IPG_RXFRAG_SIZE; + framelen = sp->rxfrag_size; } if ((IPG_DROP_ON_RX_ETH_ERRORS && (le64_to_cpu(rxfd->rfs) & @@ -2240,6 +2236,7 @@ static int __devinit ipg_probe(struct pci_dev *pdev, mutex_init(&sp->mii_mutex); sp->is_jumbo = IPG_JUMBO; + sp->rxfrag_size = IPG_RXFRAG_SIZE; /* Declare IPG NIC functions for Ethernet device methods. */ diff --git a/drivers/net/ipg.h b/drivers/net/ipg.h index 9c520ce264a6..83e311ebf0cb 100644 --- a/drivers/net/ipg.h +++ b/drivers/net/ipg.h @@ -796,6 +796,7 @@ struct ipg_nic_private { unsigned int rx_dirty; bool is_jumbo; struct ipg_jumbo jumbo; + unsigned long rxfrag_size; unsigned int rx_buf_sz; struct pci_dev *pdev; struct net_device *dev; |
