diff options
| author | Pekka Enberg <penberg@cs.helsinki.fi> | 2008-06-23 14:36:35 +0300 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@redhat.com> | 2008-07-04 08:46:53 -0400 |
| commit | da02b23192e8c1dc6830fc38840ea1c5e416a43c (patch) | |
| tree | 0acd2e21d63a08a3cd8f639cf8484d0511144c7f /drivers/net/ipg.c | |
| parent | 39f205854c829294f9b4db65100d3abdf9c9c145 (diff) | |
| download | lwn-da02b23192e8c1dc6830fc38840ea1c5e416a43c.tar.gz lwn-da02b23192e8c1dc6830fc38840ea1c5e416a43c.zip | |
ipg: per-device max_rxframe_size
Add a ->max_rxframe member to struct ipg_nic_private and convert the users of
IPG_MAX_RXFRAME_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>
Diffstat (limited to 'drivers/net/ipg.c')
| -rw-r--r-- | drivers/net/ipg.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/net/ipg.c b/drivers/net/ipg.c index 51d5f30e0afe..57395b9587dc 100644 --- a/drivers/net/ipg.c +++ b/drivers/net/ipg.c @@ -631,6 +631,7 @@ static void ipg_nic_set_multicast_list(struct net_device *dev) static int ipg_io_config(struct net_device *dev) { + struct ipg_nic_private *sp = netdev_priv(dev); void __iomem *ioaddr = ipg_ioaddr(dev); u32 origmacctrl; u32 restoremacctrl; @@ -670,7 +671,7 @@ static int ipg_io_config(struct net_device *dev) /* Set RECEIVEMODE register. */ ipg_nic_set_multicast_list(dev); - ipg_w16(IPG_MAX_RXFRAME_SIZE, MAX_FRAME_SIZE); + ipg_w16(sp->max_rxframe_size, MAX_FRAME_SIZE); ipg_w8(IPG_RXDMAPOLLPERIOD_VALUE, RX_DMA_POLL_PERIOD); ipg_w8(IPG_RXDMAURGENTTHRESH_VALUE, RX_DMA_URGENT_THRESH); @@ -2114,6 +2115,8 @@ static int ipg_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) static int ipg_nic_change_mtu(struct net_device *dev, int new_mtu) { + struct ipg_nic_private *sp = netdev_priv(dev); + /* Function to accomodate changes to Maximum Transfer Unit * (or MTU) of IPG NIC. Cannot use default function since * the default will not allow for MTU > 1500 bytes. @@ -2125,7 +2128,7 @@ static int ipg_nic_change_mtu(struct net_device *dev, int new_mtu) * byte payload, 4 byte FCS) and IPG_MAX_RXFRAME_SIZE, which * corresponds to the MAXFRAMESIZE register in the IPG. */ - if ((new_mtu < 68) || (new_mtu > IPG_MAX_RXFRAME_SIZE)) + if ((new_mtu < 68) || (new_mtu > sp->max_rxframe_size)) return -EINVAL; dev->mtu = new_mtu; @@ -2238,6 +2241,7 @@ static int __devinit ipg_probe(struct pci_dev *pdev, sp->is_jumbo = IPG_JUMBO; sp->rxfrag_size = IPG_RXFRAG_SIZE; sp->rxsupport_size = IPG_RXSUPPORT_SIZE; + sp->max_rxframe_size = IPG_MAX_RXFRAME_SIZE; /* Declare IPG NIC functions for Ethernet device methods. */ |