2c97478106
Get FULL/EMPTY/DROP events from LLD. On FULL event, disable normal user mode DB rings. Add modify_qp semantics to allow user processes to call into the kernel to ring doobells without overflowing. Add DB Full/Empty/Drop stats. Mark queues when created indicating the doorbell state. If we're in the middle of db overflow avoidance, then newly created queues should start out in this mode. Bump the C4IW_UVERBS_ABI_VERSION to 2 so the user mode library can know if the driver supports the kernel mode db ringing. Signed-off-by: Vipul Pandya <vipul@chelsio.com> Signed-off-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Roland Dreier <roland@purestorage.com> |
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| hw | ||
| ulp | ||
| Kconfig | ||
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