Created sysctl node dev.bnxt.0.fc with following options.
A. dev.bnxt.0.fc.pause_autoneg
B. dev.bnxt.0.fc.pause_rx
C. dev.bnxt.0.fc.pause_tx
Description:-
dev.bnxt.0.fc: flow ctrl
dev.bnxt.0.fc.pause_autoneg: Enable or Disable Autoneg Flow Ctrl: 0 / 1
dev.bnxt.0.fc.pause_rx: Enable or Disable Tx Flow Ctrl: 0 / 1
dev.bnxt.0.fc.pause_tx: Enable or Disable Tx Flow Ctrl: 0 / 1