bnx2x_dcbx_set_state
bnx2x_dcbx_set_state(bp, (state ? true : false), bp->dcbx_enabled);
void bnx2x_dcbx_set_state(struct bnx2x *bp, bool dcb_on, u32 dcbx_enabled);
bnx2x_dcbx_set_state(bp, true, BNX2X_DCBX_ENABLED_ON_NEG_ON);
bnx2x_dcbx_set_state(bp, false, BNX2X_DCBX_ENABLED_OFF);