From 2dd201d7b735f252df1a915a3f2e6a71910a3d87 Mon Sep 17 00:00:00 2001 From: Michael Chan Date: Mon, 21 Jan 2008 17:06:09 -0800 Subject: [PATCH] [BNX2]: Disable jumbo rx paging on 5709 Ax. The chip has problem running in this mode and needs to be disabled. Signed-off-by: Michael Chan Signed-off-by: David S. Miller --- drivers/net/bnx2.c | 4 +++- drivers/net/bnx2.h | 1 + 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index 3bb69d538ef0..44734613ab37 100644 --- a/drivers/net/bnx2.c +++ b/drivers/net/bnx2.c @@ -4669,7 +4669,7 @@ bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size) bp->rx_pg_ring_size = 0; bp->rx_max_pg_ring = 0; bp->rx_max_pg_ring_idx = 0; - if (rx_space > PAGE_SIZE) { + if ((rx_space > PAGE_SIZE) && !(bp->flags & JUMBO_BROKEN_FLAG)) { int pages = PAGE_ALIGN(bp->dev->mtu - 40) >> PAGE_SHIFT; jumbo_size = size * pages; @@ -7031,6 +7031,8 @@ bnx2_init_board(struct pci_dev *pdev, struct net_device *dev) goto err_out_unmap; } bp->flags |= PCIE_FLAG; + if (CHIP_REV(bp) == CHIP_REV_Ax) + bp->flags |= JUMBO_BROKEN_FLAG; } else { bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX); if (bp->pcix_cap == 0) { diff --git a/drivers/net/bnx2.h b/drivers/net/bnx2.h index 09bd665a3b9c..c1ab30b0f87a 100644 --- a/drivers/net/bnx2.h +++ b/drivers/net/bnx2.h @@ -6582,6 +6582,7 @@ struct bnx2 { #define PCIE_FLAG 0x00000200 #define USING_MSIX_FLAG 0x00000400 #define USING_MSI_OR_MSIX_FLAG (USING_MSI_FLAG | USING_MSIX_FLAG) +#define JUMBO_BROKEN_FLAG 0x00000800 /* Put tx producer and consumer fields in separate cache lines. */ -- 2.20.1