[IB] mthca: detect SRQ overflow

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The hardware relies on us keeping one extra work request that never
gets used in SRQs.  Add checks to the SRQ work request posting
functions so that they fail when someone is about to use up that extra
work request, rather than when someone uses the very last work request.

Signed-off-by: Roland Dreier <rolandd@cisco.com>

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Roland Dreier 2005-10-06 13:25:16 -07:00

parent 90f104da22

commit e23d6d2b09

1 changed files with 15 additions and 0 deletions

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drivers/infiniband/hw/mthca/mthca_srq.c

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