[ewg] [GIT PULL compat, compat-rdma] cxgb fixes for bug 2662

[Steve Wise]

Hey Vlad,

Please pull these two fixes to resolve bug 2662.

https://github.com/larrystevenwise/ofed-compat/commit/399559fcac6f003eeabaed
528479afba8619e6a3
https://github.com/larrystevenwise/ofed-compat-rdma/commit/8fd1ae2cd97cb348f
f269378526fa1ee2aa040b4

Thanks!

Steve.

----
compat:

Steve Wise (1):
      cxgb4: add m4 check for net_device.max_mtu

compat-rdma:

Steve Wise (1):
      cxgb: SLE12SP3 Backport fix: use net core MTU range checking