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bnxt_en: Do not adjust max_cp_rings by the ones used by RDMA.
[ Upstream commit 00fe9c3 ] Currently, the driver adjusts the bp->hw_resc.max_cp_rings by the number of MSIX vectors used by RDMA. There is one code path in open that needs to check the true max_cp_rings including any used by RDMA. This code is now checking for the reduced max_cp_rings which will fail when the number of cp rings is very small. To fix this in a clean way, we don't adjust max_cp_rings anymore. Instead, we add a helper bnxt_get_max_func_cp_rings_for_en() to get the reduced max_cp_rings when appropriate. Fixes: ec86f14 ("bnxt_en: Add ULP calls to stop and restart IRQs.") Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Michael Chan
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Jerry
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