6908566 TX may end up using only one ring

[rao.sho...@sun.com]

Author: Rao Shoaib <Rao.Shoaib at Sun.COM>
Repository: /hg/onnv/onnv-gate
Latest revision: 770e613208417ed224ccaeba2e5cc8448ed95b17
Total changesets: 1
Log message:
6908566 TX may end up using only one ring

Files:
        update: usr/src/uts/common/inet/ip/conn_opt.c