Commit 2dd201d7 authored by Michael Chan's avatar Michael Chan Committed by David S. Miller
Browse files

[BNX2]: Disable jumbo rx paging on 5709 Ax. 



The chip has problem running in this mode and needs to be disabled.

Signed-off-by: default avatarMichael Chan <mchan@broadcom.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 819d772b

drivers/net/bnx2.c

+3 −1
Original line number Diff line number Diff line
@@ -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) {

drivers/net/bnx2.h

+1 −0
Original line number Diff line number Diff line
@@ -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. */