From d9e651bc06690c5a5326e8d019fa7668409bc819 Mon Sep 17 00:00:00 2001 From: Dhananjay Phadke Date: Mon, 21 Jul 2008 19:44:08 -0700 Subject: netxen: cut-through rx changes NX3031 supports cut-through operation where ingress packets are directly dma'ed into host buffers to reduce latency. This requires larger dma buffers (2kb) and different alignemnt. The buffer posting logic is changed a bit. The free rx buffers are maintained in linked list, since the received reference handles can be out of order. However rx descriptors are still posted sequentially, indexed by producer. Signed-off-by: Dhananjay Phadke Signed-off-by: Jeff Garzik --- drivers/net/netxen/netxen_nic_main.c | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) (limited to 'drivers/net/netxen/netxen_nic_main.c') diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c index df48f89afff..b3c084f0c75 100644 --- a/drivers/net/netxen/netxen_nic_main.c +++ b/drivers/net/netxen/netxen_nic_main.c @@ -844,17 +844,18 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) /* Handshake with the card before we register the devices. */ netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE); - if (NX_IS_REVISION_P3(revision_id)) { - adapter->hw_read_wx(adapter, - NETXEN_MIU_MN_CONTROL, &val, 4); - adapter->ahw.cut_through = (val & 0x4) ? 1 : 0; - dev_info(&pdev->dev, "firmware running in %s mode\n", - adapter->ahw.cut_through ? "cut through" : "legacy"); - } } /* first_driver */ netxen_nic_flash_print(adapter); + if (NX_IS_REVISION_P3(revision_id)) { + adapter->hw_read_wx(adapter, + NETXEN_MIU_MN_CONTROL, &val, 4); + adapter->ahw.cut_through = (val & 0x4) ? 1 : 0; + dev_info(&pdev->dev, "firmware running in %s mode\n", + adapter->ahw.cut_through ? "cut through" : "legacy"); + } + /* * See if the firmware gave us a virtual-physical port mapping. */ -- cgit v1.2.3