FUJITA Tomonori
f38926aa1d
RDMA/cxgb4: Use the DMA state API instead of the pci equivalents
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This replace the PCI DMA state API (include/linux/pci-dma.h) with the
DMA equivalents since the PCI DMA state API will be obsolete.
No functional change.
For further information about the background:
http://marc.info/?l=linux-netdev&m=127037540020276&w=2
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp >
Acked-by: Steve Wise <swise@opengridcomputing.com >
Signed-off-by: Roland Dreier <rolandd@cisco.com >
2010-07-06 14:01:42 -07:00
Steve Wise
f64b88433c
RDMA/cxgb4: Update some HW limits
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Signed-off-by: Steve Wise <swise@opengridcomputing.com >
Signed-off-by: Roland Dreier <rolandd@cisco.com >
2010-05-24 21:08:03 -07:00
Steve Wise
7ec45b9234
RDMA/cxgb4: Fix overflow bug in CQ arm
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- wrap cq->cqidx_inc based on cq size.
- optimize t4_arm_cq logic.
Signed-off-by: Steve Wise <swise@opengridcomputing.com >
Signed-off-by: Roland Dreier <rolandd@cisco.com >
2010-05-24 21:08:01 -07:00
Steve Wise
84172dee05
RDMA/cxgb4: Optimize CQ overflow detection
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1) save the timestamp flit in the cq when we consume a CQE.
2) always compare the saved flit with the previous entry flit when
reading the next CQE entry. If the flits don't compare, then we
have overflowed.
Signed-off-by: Steve Wise <swise@opengridcomputing.com >
Signed-off-by: Roland Dreier <rolandd@cisco.com >
2010-05-24 21:08:01 -07:00
Roland Dreier
be4c9bad9d
MAINTAINERS: Add cxgb4 and iw_cxgb4 entries
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Signed-off-by: Roland Dreier <rolandd@cisco.com >
2010-05-05 14:45:40 -07:00
Steve Wise
cfdda9d764
RDMA/cxgb4: Add driver for Chelsio T4 RNIC
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Add an RDMA/iWARP driver for Chelsio T4 Ethernet adapters.
Signed-off-by: Steve Wise <swise@opengridcomputing.com >
Signed-off-by: Roland Dreier <rolandd@cisco.com >
2010-04-21 15:30:06 -07:00
