RDMA/hfi1: Defer setting VL15 credits to link-up interrupt
Keep VL15 credits at 0 during LNI, before link-up. Store VL15 credits value during verify cap interrupt and set in after link-up. This addresses an issue where VL15 MAD packets could be sent by one side of the link before the other side is ready to receive them. Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Reviewed-by: Dean Luick <dean.luick@intel.com> Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Jakub Byczkowski <jakub.byczkowski@intel.com> Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
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