AUTO_NEG_ENABLE
lp->auto_neg_cnf = AUTO_NEG_ENABLE;
lp->auto_neg_cnf = AUTO_NEG_ENABLE;
if ((lp->auto_neg_cnf & AUTO_NEG_BITS) == AUTO_NEG_ENABLE) {
#define AUTO_NEG_BITS (FORCE_FDX|NLP_ENABLE|AUTO_NEG_ENABLE)
#define AUTO_NEG_MASK (FORCE_FDX|NLP_ENABLE|AUTO_NEG_ENABLE|ALLOW_FDX|RE_NEG_NOW)