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MFC r316971:
authornp <np@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Thu, 25 May 2017 00:16:41 +0000 (00:16 +0000)
committernp <np@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Thu, 25 May 2017 00:16:41 +0000 (00:16 +0000)
commitf7aad455c01a1e556ea9be9f1e7543dd311816cb
treeb83b9b3f6098aa6c7b2f2fb8b4874631389f8ed3
parent73722538a5a73a49e9fc9b1b70b7a005c66ee211
MFC r316971:

cxgbe: Add a tunable to configure the SGE time scaler, which is
available starting with T6.  The values in the timer holdoff registers
are multiplied by the scaling factor before use.

dev.<nexus>.<n>.holdoff_timers shows the final values of the
timers in microseconds.

Sponsored by: Chelsio Communications

git-svn-id: svn://svn.freebsd.org/base/stable/10@318840 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
sys/dev/cxgbe/common/common.h
sys/dev/cxgbe/common/t4_hw.c
sys/dev/cxgbe/t4_sge.c