ixgbe: fix panic while dumping packets on Tx hang with IOMMU

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This patch resolves a "BUG: unable to handle kernel paging request at ..."
oops while dumping packet data. The issue occurs with IOMMU enabled due to
the address provided by phys_to_virt().

This patch makes use of skb->data on Tx and the virtual address of the pages
allocated for Rx.

Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

...

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Emil Tantilov 2012-07-26 01:21:24 +00:00 • committed by David S. Miller

parent c297977ec1

commit 9c50c0358f

1 changed files with 6 additions and 5 deletions

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drivers/net/ethernet/intel/ixgbe/ixgbe_main.c

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