Divy Le Ray 5e68b772e6 cxgb3: map entire Rx page, feed map+offset to Rx ring. ...

DMA mapping can be expensive in the presence of iommus.
Reduce the Rx iommu activity by mapping an entire page, and provide the H/W
the mapped address + offset of the current page chunk.
Reserve bits at the end of the page to track mapping references, so the page
can be unmapped.

Signed-off-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2009-03-27 00:46:59 -07:00

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adapter.h

cxgb3: map entire Rx page, feed map+offset to Rx ring.

2009-03-27 00:46:59 -07:00

ael1002.c

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common.h

cxgb3: differentiate portx and Tx channels

2009-03-27 00:46:58 -07:00

cxgb3_ctl_defs.h

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cxgb3_defs.h

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cxgb3_ioctl.h

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cxgb3_main.c

cxgb3: differentiate portx and Tx channels

2009-03-27 00:46:58 -07:00

cxgb3_offload.c

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cxgb3_offload.h

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firmware_exports.h

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l2t.c

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l2t.h

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Makefile

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mc5.c

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regs.h

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sge_defs.h

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sge.c

cxgb3: map entire Rx page, feed map+offset to Rx ring.

2009-03-27 00:46:59 -07:00

t3_cpl.h

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t3_hw.c

cxgb3: differentiate portx and Tx channels

2009-03-27 00:46:58 -07:00

t3cdev.h

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version.h

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vsc8211.c

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xgmac.c

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