On 10/19/2011 12:10 PM, Vipul Pandya wrote:

         - 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.

Hey Vipul,

I just realized, we need to bump the ABI for iw_cxgb4 with this series 
so the user mode library can know if the driver supports the kernel mode 
db ringing. So bump C4IW_UVERBS_ABI_VERSION to 3.

Steve.

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